Head Bolt Tightening Tool for a Cone Crusher Head Assembly

• US 20140076113A1
• Filed: 09/14/2012
• Published: 03/20/2014
• Est. Priority Date: 09/14/2012
• Status: Active Grant

• Current Assignee: Metso Outotec Finland OY (Metso Outotec Oyj)
• Original Assignee: Metso Minerals (Wear Protection) AB (Neles Oyj)
• Inventors: Berthier, Romain
• Granted Patent: US 9,393,678 B2
• Time in Patent Office: Days
• US Class Current: 81/462
• CPC Class Codes: B25B 11/00 Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders for holding or positioning work for welding, soldering, or cutting by applying heat locally B23K37/04; specially adapted to machine tools B23Q3/00
• CPC Class Codes: B25B 21/005 driven by a radially acting hydraulic or pneumatic piston
• CPC Class Codes: B25B 23/0078 Reaction arms
• CPC Class Codes: B25B 23/0085 Counterholding devices

Abstract

A head bolt tightening tool for a cone crusher head assembly includes a support which is able to support the head assembly non-rotatably on the support, and a reaction arm equipment which is fitted to the support and which is able to hold a head bolt tightening wrench non-rotatably relative to the support.

Claims

1. A head bolt tightening tool for a cone crusher head assembly, wherein the tool comprises:

a support which is able to support the head assembly non-rotatably on the support,

a reaction arm equipment which is fitted to the support and which is able to hold a head bolt tightening wrench non-rotatably relative to the support.

2. The tool according to claim 1, wherein the tool comprises rotation preventing means which are mountable to the support for preventing rotation of the head.

3. The tool according to claim 2, wherein the rotation preventing means is distance adjustable corresponding to various head sizes.

4. The tool according to claim 1, wherein the tool comprises a plurality of pins which are intended to be placed in holes in the head and a support surface comprised by the support.

5. The tool according to claim 4, wherein the support surface comprises pin holes for lower portions of the pins at prescribed distances relative to each other corresponding to the sizes of various head sizes.

6. The tool according to claim 4, wherein the support comprises slides with holes corresponding to the pin holes in the support surface.

7. The tool according to claim 4, wherein the support comprises slides with holes corresponding to the pin holes in the support surface and the slides are lockable in the support opposite the pin holes which correspond to the size of the head involved in the tightening.

8. The tool according to claim 1, wherein the reaction arm equipment comprises a mast and a reaction arm fitted to the mast.

9. The tool according to claim 8, wherein the mast is fitted to the support.

10. The tool according to claim 8, wherein the mast comprises support stages on different heights for level adjustment of the reaction arm.

11. The tool according to claim 1, wherein the tool is intended for a head assembly which comprises a mantle mounted on the head.

12. The tool according to claim 1, wherein the tool comprises a drive sleeve to be placed between the head bolt and the tightening wrench.

13. The tool according to claim 1, wherein the tightening wrench is a torque wrench.

14. The tool according to claim 1, wherein the tightening wrench is a hydraulic wrench.