Apparatus for padding a trench including crusher for pulverizing excavated material into grades of material
First Claim
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1. An apparatus for padding a trench having a berm with excavated material therealong, comprising:
- (a) a vehicle frame adapted for movement along the berm;
(b) means at a front end of said vehicle frame for picking up excavated material from the berm(c) a crusher having an inlet and outlet, the crusher being mounted on the vehicle frame and arranged relative to the means for picking up and adapted to receive the excavated material, wherein the crusher is constructed and arranged to pulverize the received material into two grades of material, a first grade of pulverized material being of sufficient size for use as a padding material and a second grade of pulverized material being of which is sand blasting material(d) means on said vehicle frame for transporting the excavated material from said means for picking up to said crusher; and
(e) means on said vehicle frame for conveying the first grade of pulverized material from the crusher to the trench and means for collecting the second grade of material from the crusher for use in sandblasting.
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Abstract
A method of padding a trench includes the steps of automatically gathering at least a portion of excavated material from the berm of a trench, auomatically pulverizing at least part of the gathered material to form a pulverized material, and automatically conveying the pulverized material to the trench. The gathered material can be separated into at least two grades of material, only one of the grades of material being pulverized to form the pulverized material, another of the grades of material being returned to the berm. The pulverized material can be collected for use as a sandblasting sand.
53 Citations
18 Claims
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1. An apparatus for padding a trench having a berm with excavated material therealong, comprising:
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(a) a vehicle frame adapted for movement along the berm; (b) means at a front end of said vehicle frame for picking up excavated material from the berm (c) a crusher having an inlet and outlet, the crusher being mounted on the vehicle frame and arranged relative to the means for picking up and adapted to receive the excavated material, wherein the crusher is constructed and arranged to pulverize the received material into two grades of material, a first grade of pulverized material being of sufficient size for use as a padding material and a second grade of pulverized material being of which is sand blasting material (d) means on said vehicle frame for transporting the excavated material from said means for picking up to said crusher; and (e) means on said vehicle frame for conveying the first grade of pulverized material from the crusher to the trench and means for collecting the second grade of material from the crusher for use in sandblasting.
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2. An apparatus for padding a trench having a berm with excavated material therealong, comprising:
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(a) a vehicle frame adapted for movement along the berm; (b) means at a front end of said vehicle frame for picking up excavated material from the berm (c) means for separating the excavated material into at least two grades of material, a first of said grades being fine grade material appropriate for use as padding material and a second of said grades being too large for use as padding material; (d) a crusher having an inlet and outlet, the crusher being mounted on the vehicle frame and arranged relative to the means for picking up and adapted to receive the second grade of excavated material that is too large for use as padding material, wherein the crusher is constructed and arranged to pulverize the received material into third and fourth grades of material, the third grade being of sufficient size for use as a padding material and the fourth grade which is sandblasting material (e) means on said vehicle frame for transporting the excavated material from said means for picking up to said means for separating; (f) means on said vehicle frame for conveying the first grade of material from the separating means to the trench; and (g) means on said vehicle frame for conveying the third grade of pulverized material from the crusher to the trench for use as a padding material and means for collecting the fourth grade of pulverized material from the crusher for use in sandblasting. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for padding a trench having a berm with excavated material therealong, comprising:
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(a) a vehicle frame adapted for movement along the berm; (b) means at a front end of said vehicle frame for picking up excavated material from the berm; (c) means for separating the excavated material into at least two grades of material, a first of said grades being fine grade material appropriate for use as padding material and a second of said grades being too large for use as padding material; (d) a crusher having an inlet and outlet, the crusher being mounted on the vehicle frame and arranged relative to the means for picking up and adapted to receive the second grade of excavated material that is too large for use as padding material, wherein the crusher pulverizes the material into sufficiently fine grade material which is sandblasting material, and (e) means on said vehicle frame for transporting the excavated material from said means for picking up to said means for separating; and (f) means on said vehicle frame for conveying the fine grade material from the separating means to the trench. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification