Erecting ladder for fire fighting

Erecting ladder for fire fighting

  • CN 104,727,739 A
  • Filed: 03/09/2015
  • Published: 06/24/2015
  • Est. Priority Date: 03/09/2015
  • Status: Active Application
First Claim
Patent Images

1. a kind of fire-fighting uprightly uses ladder, it is characterized in that:

  • described fire-fighting uprightly mainly comprises base (16), key seat (17), rotating dog (15), lock bolt (18), rotating seat (1), Body of pillar, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), check mechanism with ladder;

    Described fire-fighting is uprightly the ladder of single column support type with ladder, the pedestal of carrying ladder is base (16), the cradle head of ladder is the key seat (17) that connects of rotating dog (15) and rotating seat (1), the cylinder supporting ladder is Body of pillar, has foot-operated (13) in the both sides of Body of pillar;

    Described base (16) is fixed with key seat (17), key seat (17) there are pin-and-hole (14) and locking screw, rotating dog (15) links together key seat (17) and rotating seat (1) afterwards through the pin-and-hole (14) of the pin-and-hole (14) on key seat (17) and rotating seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on key seat (17) is pressed in lower part locking rotating seat (1) of rotating seat (1) and the fit angle of base (16), Inner taper hole (12) is had above described rotating seat (1), the inner conical surface (11) of Inner taper hole (12) there is annular stop groove (9), below Inner taper hole (12) or the inside have air gap (4), rotating seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of Body of pillar lower end and fixes, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular stop groove (9) on inner conical surface (11) through exposing the locking end of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the turnover body (7) be arranged in the brake hole (5) of pillar (2) bottom, Inner taper hole (12) is had in connector (3) end in Body of pillar upper end, the inner conical surface (11) of Inner taper hole (12) there is annular stop groove (9), below Inner taper hole (12) or the inside have air gap (4), the male cone (strobilus masculinus) (10) of Body of pillar lower end inserts in the Inner taper hole (12) in the connector (3) of a Body of pillar below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of Body of pillar lower end and fix, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular stop groove (9) on inner conical surface (11) through exposing the locking end of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the turnover body (7) be arranged in the brake hole (5) of pillar (2) bottom, be fixed with in the both sides of the damaged surface of Body of pillar foot-operated (13) of the folding that can draw in one end of the connector of Body of pillar (3), foot-operated (13) upper cover has or is stained with skid-proof rubber,Described Body of pillar has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at rotating seat (1) middle part, or, Body of pillar has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a Body of pillar upper end below, inner conical surface (11) there is annular stop groove (9) coordinate with the locking end of turnover body (7), then lock coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);

    Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12), inner conical surface (11) has the annular stop groove (9) of depression;

    Inner taper hole (12) on described rotating seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of pillar (2) and fixes, and the Inner taper hole (12) on connector (3) coordinates with the male cone (strobilus masculinus) (10) of the lower end of another root pillar (2) and fixes;

    Coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post by the locking end of the annular stop groove (9) on inner conical surface (11) with turnover body (7) after described Inner taper hole (12) coordinates with male cone (strobilus masculinus) (10) and fixes;

    In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);

    Described check mechanism comprises brake hole (5), draws pin (6), thrust spring (8), turnover body (7), annular stop groove (9), the hole of described brake hole (5) right angle turns shape, the damaged surface that the surface of male cone (strobilus masculinus) (10) is worn out in one end on the cylinder of the pillar (2) near male cone (strobilus masculinus) (10), the other end wears out column, the center line of brake hole (5) and the central axis or parallel of column body;

    Turnover body (7), thrust spring (8) are installed in brake hole (5) and draw pin (6), turnover body (7) is fixed on the end of drawing pin (6), one end of thrust spring (8) is pressed in the pressing portion of turnover body (7), the other end withstands on brake hole (5), draw one end of the pin handle of pin (6) vertically to stretch out from the damaged surface of column after the central part of thrust spring (8) passes, the locking end of turnover body (7) stretches out from male cone (strobilus masculinus) (10);

    The part that described thrust spring (8) is arranged on the middle aperture of brake hole (5) large is enclosed within the middle part of drawing pin (6), on the wall of the part that the middle aperture that one end is pressed in the pressing portion of turnover body (7), the other end withstands on brake hole (5) is large or withstand on be fixed on the part of drawing the aperture of the brake hole (5) of one end of the pin handle of pin (6) little jump ring on;

    Thrust spring (8) be pressed in turnover body (7) pressing portion on promote turnover body (7) locking end coordinate and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular stop groove (9) on inner conical surface (11);

    Described base (16) is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat (17), at disking body or be in strip below interconnection shape and be stained with skid-proof rubber;

    Described base (16) is for fixing key seat (17), steady brace (2) and supporting strut (2) and bear all wt that key seat (17) bears, and prevents the lower end of Body of pillar to be absorbed in earth;

    Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents base (16) from sliding on the ground with ground resulting in friction;

    Described key seat (17) is the supporter supporting and install rotating dog (15), supporter has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixing rotating dog (15) bear all wt that rotating dog (15) bears;

    Near the pin-and-hole (14) of described locking screw on key seat (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking rotating seat (1) of rotating seat (1) and the fit angle of base (16);

    Described lock bolt (18) is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of rotating seat (1);

    Described rotating dog (15) is pivot pin or bolt, for connecting key seat (17) and rotating seat (1) and bearing all wt that rotating seat (1) bears;

    Described rotating seat (1) is Connection Block, lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, the inner conical surface (11) of Inner taper hole (12) has the annular stop groove (9) of depression, there is air gap (4) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with air gap (4);

    The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical;

    Being connected with key seat (17) below by rotating dog (15) of rotating seat (1), be connected with pillar (2) by Inner taper hole (12) above;

    The all wt that described rotating seat (1) bears for steady brace (2) and supporting strut (2) and pillar (2);

    Described Body of pillar is the cylinder that there is male cone (strobilus masculinus) (10) one end, the other end has Inner taper hole (12), comprise connector (3) and pillar (2) two parts, be fixed with in the both sides of the damaged surface of Body of pillar foot-operated (13) of the folding that can draw in one end of the connector of Body of pillar (3);

    Described Body of pillar to be connector (3) with pillar (2) the be fixed together entirety formed or the entirety be inherently connected;

    Pillar (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety;

    The end face of the upper end of described connector (3) has Inner taper hole (12), there is air gap (4) the inside of Inner taper hole (12), and the inner conical surface (11) of Inner taper hole (12) has the annular stop groove (9) of depression;

    There is male cone (strobilus masculinus) (10) lower end of described pillar (2), the cylinder of the pillar (2) near male cone (strobilus masculinus) (10) has the brake hole (5) of right angle turns shape, the damaged surface that the surface of male cone (strobilus masculinus) (10) is worn out in one end of brake hole (5), the other end wears out pillar (2), the center line of brake hole (5) and the central axis or parallel of Body of pillar;

    Described foot-operated (13) comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole (14) be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated (13) plays and prevents from riding (13) and to get on anti-skidding effect;

    Described annular stop groove (9) is the cannelure of the depression on the inner conical surface (11) of the Inner taper hole (12) on rotating seat (1) and the Inner taper hole (12) on Body of pillar, cannelure is dovetail groove, corresponding with the position of brake hole (5), the one side near the oral area of Inner taper hole (12) is locking face;

    Described locking face is used for coordinating with facing directly of the locking end of turnover body (7) and producing locking effect;

    The angle considering to insert is not needed when described annular stop groove (9) is for allowing the locking end of turnover body (7) insert annular stop groove (9), coordinate and the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10) with the locking end of turnover body (7), then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and Body of pillar and rotating seat (1) and Body of pillar fixation;

    Described brake hole (5) has one end of male cone (strobilus masculinus) (10) at Body of pillar, it is the hole of right angle turns shape, the center line in hole and the central axis of Body of pillar or parallel, at male cone (strobilus masculinus) (10) with in the cylinder of the pillar (2) of male cone (strobilus masculinus) (10), the surface of the cylinder near male cone (strobilus masculinus) (10) is worn out perpendicular to the center line of Body of pillar in the one end in hole, the other end wears out male cone (strobilus masculinus) (10) perpendicular to the center line of Body of pillar;

    The aperture that the mid portion of brake hole (5) is used for installed thrust spring (8) and two ends that are large, hole, the aperture of the part of body (7) of transferring are used for drawing the locking end of pin (6) and turnover body (7) to stretch out is little, and the aperture of the brake hole (5) on male cone (strobilus masculinus) (10) is corresponding with the position of lock-bit groove;

    Turnover body (7) is installed in brake hole (5), draws pin (6) and thrust spring (8), turnover body (7) is arranged on the middle part of drawing pin (6), thrust spring (8) is arranged between turnover body (7) and brake hole (5), stretch out from the damaged surface of pillar (2) after drawing the pin handle of pin (6) to pass from the centre of thrust spring (8), the locking end of body of transferring (7) coordinates with annular stop groove (9) after male cone (strobilus masculinus) (10) stretches out, draw pin (6) and body (7) of transferring can move in brake hole (5);

    Described brake hole (5) can also be independent cavity, can also be inlaid with the housing with the mating shapes of brake hole (5) in independent cavity, housing exposes or does not expose the damaged surface of Body of pillar in brake hole (5);

    When housing exposes the damaged surface of Body of pillar, the one end of exposing the damaged surface of Body of pillar connects with screw or rivets or be welded on the damaged surface of Body of pillar;

    When housing does not expose the damaged surface of Body of pillar, connect with screw or rivet or weld or be fixed in brake hole (5) with jump ring;

    The inside and outside two ends of described housing manufacture porose, be provided with in housing and draw pin (6), thrust spring (8), turnover body (7), turnover body (7) is arranged on the middle part of drawing pin (6), thrust spring (8) is arranged between turnover body (7) and housing, stretches out, the locking end of body of transfer (7) stretches out from the hole of the inner face of housing and coordinate with annular stop groove (9) afterwards after drawing the pin handle of pin (6) to pass from the centre of thrust spring (8) from the hole of housing outer face;

    The described association of drawing pin (6) and turnover body (7) to be an entirety or to combine, the turnover at a right angle of the global shape after installing shape;

    The described pin (6) that draws comprises pin portion and pin handle two parts, the end winding support in pin portion is in the pressing portion of turnover body (7), pin handle vertically stretches out the damaged surface of Body of pillar afterwards in brake hole (5) through thrust spring (8), draw pin (6) to exit lock-bit groove for pulling turnover body (7);

    Described turnover body (7) is column or the blocks of right angle cross break shape, comprise locking end and pressing portion, when installing in brake hole (5), pressing portion is parallel to the center line of Body of pillar, and locking end stretches out the surface of male cone (strobilus masculinus) (10) perpendicular to the center line of Body of pillar;

    Locking effect is produced with the lock-bit slot fit in Inner taper hole (12) after described locking end stretches out the surface of male cone (strobilus masculinus) (10);

    Described pressing portion passes to locking end for accepting the thrust of thrust spring (8);

    The leading section of described locking end is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface (10) is face directly, the inclined-plane of locking end is used for allowing the oral area of the Inner taper hole (12) of connector (3) and oblique promotion turnover body (7) of inner conical surface (11) retreat, locking end face directly for coordinating locked male cone (strobilus masculinus) (10) of working good and inner conical surface (11) with the annular groove limit of facing directly of lock-bit groove;

    Described thrust spring (8) is helical spring, and the locking end for promoting turnover body (7) coordinates with the annular stop groove (9) on male cone (strobilus masculinus) (10) and completes automatic locking;

    Described air gap (4) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for pillar (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);

    The inner conical surface (11) of described Inner taper hole (12) is for coordinating and mounting column body with male cone (strobilus masculinus) (10), realize rotating seat (1) to fix with Body of pillar and the quick of Body of pillar with Body of pillar is fixing fast, be beneficial to the quick assembling of Body of pillar and quick demolition, play Fast Installation and effect fixing fast;

    And then make Body of pillar and connector (3) and Body of pillar and rotating seat (1) fixation respectively;

    In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and rotating seat (1) and the connection between Body of pillar and Body of pillar and fix and all adopt cone match, being beneficial to quick assembling and quick demolition;

    The male cone (strobilus masculinus) (10) of Body of pillar, in the Inner taper hole (12) of rotating seat (1), is coordinated with the locking end of turnover body (7) by the annular stop groove (9) on inner conical surface (11) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and rotating seat (1) of locking pillar (2);

    The male cone (strobilus masculinus) (10) of Body of pillar, in the Inner taper hole (12) of connector (3), is coordinated with the locking end of turnover body (7) by the annular stop groove (9) on inner conical surface (11) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking pillar (2);

    During assembling, inner conical surface (11) and male cone (strobilus masculinus) (10) are at the gravity born and press tighter and tighter under the effect of Body of pillar self gravitation and realize automatic fastening;

    During demolition, pull the pin handle of pin (6), after driving the locking end of turnover body (7) to exit the annular stop groove (9) on inner conical surface (11), Body of pillar upwards one is lifted male cone (strobilus masculinus) (10) and automatically will be separated with Inner taper hole (12);

    The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form;

    The described conical surface is the face of the square taper of nose part, or goes conical of nose part;

    In order to can tilt ground on supporting strut body, when base (16) is arranged on smooth ground, the central axis of rotating seat (1), in base (16), ensure that the Body of pillar be arranged on rotating seat (1) is vertical or near perpendicular to horizontal plane;

    When base (16) is arranged on the ground of inclination, rotating seat (1) can rotate certain angle around rotating dog (15) on base (16), ensure that the Body of pillar be arranged on rotating seat (1) is vertical or near perpendicular to horizontal plane;

    Rotating dog (15) is adopted to be fastened on key seat (17) on base (16) and rotating seat (1), make rotating seat (1) certain angle can be rotated around rotating dog (15) on base (16), reach when base (16) is arranged on the ground of inclination and ensure that the Body of pillar be arranged on rotating seat (1) keeps the object perpendicular to horizontal plane;

    In order to make fire-fighting uprightly use the assembling of ladder quick, base (16), key seat (17), rotating dog (15) and rotating seat (1) are the parts of entirety or the dispersion fitted together.

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