CN215148894U

CN215148894U - Special frock is restoreed to ejection roller way speed reducer

Info

Publication number: CN215148894U
Application number: CN202121254189.9U
Authority: CN
Inventors: 李岳; 李士文; 黄宣宣; 王帅; 段德州; 吕凯凯; 汪峰
Original assignee: Shandong Laigang Yongfeng Steel and Iron Co Ltd
Current assignee: Shandong Laigang Yongfeng Steel and Iron Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-14
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a special repair tool for a knockout roller speed reducer, which comprises two fixed supports with hollow top surfaces; the two fixed supports are welded in an inverted V shape; bearing seats are welded at two ends of the top surfaces of the two fixed supports in a way of facing against each other; a turnover shaft is arranged between the two bearing blocks; a turnover platform is fixed on the turnover shaft; at least one end of the turnover shaft extends out of the bearing seat and is driven and installed through a driver; and a screw hole for positioning and limiting the ejection roller speed reducer is formed in the overturning platform. The utility model discloses a special frock is restoreed to ejection roller speed reducer, staff intensity of labour can be reduced; the automatic rotation of the ejection roller speed reducer is realized by additionally arranging the overturning platform and the fixed support, the potential safety hazard is eliminated, the operation efficiency is improved, and the repair work of one ejection roller speed reducer can be finished within 16 hours by 2 people at present; and the repair blind area is eliminated through the self-locking function of the rotary speed reducer.

Description

Special frock is restoreed to ejection roller way speed reducer

Technical Field

The utility model relates to a special frock is restoreed to ejection roller speed reducer belongs to ejection roller and restores frock technical field.

Background

The existing ejection roller speed reducer needs offline repair after reaching a use period, the ejection roller speed reducer is a cycloidal pin gear speed reducer, a bearing, an oil seal, an input shaft and other parts need to be replaced in the repair process, the quality needs to be ensured after the repair is finished, and the use period can be reached; the existing repair tool has the following problems:

1. the repair speed reducer has no special tool, and a maintainer needs to operate on the ground, so that the labor intensity is high.

2. The speed reducer needs to be turned to different positions, the weight of the speed reducer is large, the speed reducer is not easy to turn, and the speed reducer is easy to damage by a crashing object in the turning process and causes a safety accident.

3. The repairing efficiency is low, 2 persons are needed for repairing one ejection roller speed reducer for 20 hours, and the time is long.

4. Due to the design problems of the shape and the internal components of the speed reducer, the positions of parts needing to be repaired and replaced have the problem of difficult operation, the overall repair quality is poor, and the service life of each speed reducer is about 12 months.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a special frock is restoreed to knockout roll table speed reducer can remove personnel from in the ground operation, through the upset of driver drive upset platform, realizes the autogiration and the auto-lock of knockout roll table speed reducer, raises the efficiency, eliminates hidden danger.

The utility model discloses a special repair tool for a knockout roller speed reducer, which comprises two fixed supports with hollow top surfaces; the two fixed supports are welded in an inverted V shape; bearing seats are welded at two ends of the top surfaces of the two fixed supports in a way of facing against each other; a turnover shaft is arranged between the two bearing blocks; a turnover platform is fixed on the turnover shaft; at least one end of the turnover shaft extends out of the bearing seat and is driven and installed through a driver; the overturning platform is provided with a screw hole for positioning and limiting the knockout roller speed reducer, during repairing, the overturning platform rotates to be parallel to the ground, then the knockout roller speed reducer is placed on the overturning platform, the knockout roller speed reducer is fixed to the overturning platform through the bolt and the screw hole, and then, the driver rotates and self-locks.

Furthermore, the driver is a speed reducer power assembly fixed with the end part of the fixed support, and the speed reducer power assembly is installed with the turnover shaft through a coupler; the turnover shaft is driven to rotate and self-lock through the power assembly of the speed reducer, so that the rotary position adjustment is realized.

Furthermore, a chuck and a hand crank are fixed at one end of the overturning shaft, which extends out of the bearing seat, through bolts; a baffle seat is fixed on the fixed support; a clamping rod clamped with the chuck penetrates through the blocking seat; the clamping rod is fixedly provided with limiting nuts at two ends of the blocking seat; the pressure spring is arranged between the blocking seat and the limiting nut, and when the position is adjusted, the clamping rod is pulled, the pressure spring is compressed, the turnover shaft is shaken by the hand crank to rotate to an angle, the clamping rod is loosened, and the clamping rod and the chuck are clamped.

Furthermore, a bearing seat extends out of one end of the turnover shaft, which is far away from the driver, and a chuck is fixed through a bolt; a hinge seat is fixed on the fixed support; a clamping rod clamped with the chuck is hinged to the hinge seat; the hinge seat is movably inserted with a pin column clamped with a clamping rod, and the clamping rod is matched with the chuck, so that mechanical safety locking is realized.

Further, the turnover shaft is made of square steel with sealed ends; the flange seats are welded at the two ends of the square steel; an end shaft is fixed on the flange seat through a bolt, and the square steel and the overturning platform can be welded firmly.

Compared with the prior art, the special repair tool for the ejection roller speed reducer can reduce the labor intensity of workers; the automatic rotation of the ejection roller speed reducer is realized by additionally arranging the overturning platform and the fixed support, the potential safety hazard is eliminated, the operation efficiency is improved, and the repair work of one ejection roller speed reducer can be finished within 16 hours by 2 people at present; through the self-locking function of the rotary speed reducer, the repair blind area is eliminated, the repair quality is improved, the service life of the ejection roller speed reducer is prolonged, and the service life of the conventional ejection roller speed reducer reaches 18 months.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the overall structure of embodiment 2 of the present invention.

Fig. 3 is a schematic view of the overall structure of embodiment 3 of the present invention.

Fig. 4 is the overall structure schematic diagram of the turnover shaft of the present invention.

Detailed Description

Example 1:

the special repair tool for the ejection roller speed reducer shown in fig. 1 comprises two fixed supports 1 with hollow top surfaces; the two fixed supports 1 are welded in an inverted V shape; two ends of the top surfaces of the two fixed supports 1 are welded with bearing seats 2 in a way of facing; a turnover shaft 3 is arranged between the two bearing seats 2; a turnover platform 4 is fixed on the turnover shaft 3; at least one end of the turnover shaft 3 extends out of the bearing seat 2 and is driven and installed through a driver; the overturning platform 4 is provided with a screw hole 41 for positioning and limiting the knockout roller speed reducer, during repair, the overturning platform rotates to be parallel to the ground, then the overturning platform is placed on the knockout roller speed reducer, the knockout roller speed reducer is fixed to the overturning platform through a bolt and the screw hole, and then, the rotation and self-locking are carried out through a driver.

The driver is a speed reducer power assembly 5 fixed with the end of the fixed support, and the speed reducer power assembly 5 is installed with the turnover shaft 3 through a coupler; the turnover shaft is driven to rotate and self-lock through the power assembly of the speed reducer, so that the rotary position adjustment is realized.

Example 2:

as shown in fig. 2, in the special repair tooling for the ejection roller speed reducer, a chuck 6 and a hand crank 7 are fixed at one end of the trip shaft 3 extending out of the bearing seat 2 through bolts; a baffle seat 8 is fixed on the fixed support 1; a clamping rod 9 clamped with the chuck penetrates through the blocking seat 8; limiting nuts 10 are fixed at the two ends of the blocking seat of the clamping rod 9; be provided with pressure spring 11 between fender seat 8 and the stop nut 10, during the positioning, pulling kelly compresses the pressure spring, waves the trip shaft through the crank, makes it rotatory to an angle to loosen the kelly, thereby make kelly and chuck chucking.

Example 3:

as shown in fig. 3, in the special repair tooling for the ejection roller speed reducer, one end of the trip shaft 3, which is far away from the driver, extends out of the bearing seat 2, and is fixed with a chuck 6 through a bolt; a hinged seat 12 is fixed on the fixed support 1; a clamping rod 9 clamped with the chuck is hinged on the hinge seat 12; the pin column 13 clamped with the clamping rod is movably inserted in the hinged seat 12 and matched with the chuck through the clamping rod, so that mechanical safety locking is realized.

As shown in fig. 4, the turning shaft 3 is a square steel 31 with sealed ends; the flange seats 32 are welded at the two ends of the square steel 31; an end shaft 33 is fixed on the flange seat 32 through bolts, and the square steel 31 and the overturning platform 4 can be welded firmly.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a special frock is restoreed to ejection roller way speed reducer which characterized in that: comprises two fixed supports with hollow top surfaces; the two fixed supports are welded in an inverted V shape; bearing seats are welded at two ends of the top surfaces of the two fixed supports in a way of facing against each other; a turnover shaft is arranged between the two bearing blocks; a turnover platform is fixed on the turnover shaft; at least one end of the turnover shaft extends out of the bearing seat and is driven and installed through a driver; and a screw hole for positioning and limiting the ejection roller speed reducer is formed in the overturning platform.

2. The special repair tooling for the ejection roller speed reducer according to claim 1, wherein the driver is a speed reducer power assembly fixed to the end of the fixed support, and the speed reducer power assembly is mounted to the turnover shaft through a coupler.

3. The special repair tooling for the ejection roller speed reducer according to claim 1, wherein a chuck and a hand crank are fixed at one end of the turning shaft, which extends out of the bearing seat, through bolts; a baffle seat is fixed on the fixed support; a clamping rod clamped with the chuck penetrates through the blocking seat; the clamping rod is fixedly provided with limiting nuts at two ends of the blocking seat; and a pressure spring is arranged between the blocking seat and the limiting nut.

4. The special repair tooling for the ejection roller speed reducer according to claim 1, wherein a bearing seat extends out of one end of the turning shaft, which is far away from the driver, and a chuck is fixed through a bolt; a hinge seat is fixed on the fixed support; a clamping rod clamped with the chuck is hinged to the hinge seat; and a pin column clamped with the clamping rod is movably inserted in the hinged seat.

5. The special repair tooling for the ejection roller speed reducer according to claim 1, wherein the turning shaft is made of square steel with sealed ends; the flange seats are welded at the two ends of the square steel; and an end shaft is fixed on the flange seat through a bolt.