CN111482916A

CN111482916A - Dismounting tool for gearbox

Info

Publication number: CN111482916A
Application number: CN202010323152.0A
Authority: CN
Inventors: 胡明达; 董琦; 冯浩川; 王军锋; 陈晖�
Original assignee: MCC Baosteel Technology Services Co Ltd
Current assignee: MCC Baosteel Technology Services Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-08-04

Abstract

The invention relates to a disassembly and assembly tool of a gearbox, which comprises a bearing frame, a lifting mechanism and two driving mechanisms, wherein the lifting mechanism comprises a V-shaped lifting frame consisting of two oppositely arranged lifting plates and two supporting components for respectively supporting the two lifting plates, the lower ends of the two lifting plates are hinged on the bearing frame, each supporting component comprises a sliding block which is linearly movably arranged on the bearing frame and a supporting frame of which one end is hinged with the sliding block, the other end of the supporting frame is hinged with the upper end of the lifting plate, and the two driving mechanisms respectively drive the two sliding blocks to move; the V-shaped lifting frame is used for supporting the gearbox. The disassembly and assembly tool disclosed by the invention can support, bear and transfer the gearbox when the gearbox is disassembled and assembled, is convenient to use and flexible to adjust, can adapt to gearboxes with different sizes, can reduce the labor intensity when the gearbox is disassembled and assembled, reduces the working danger of maintenance personnel and improves the working efficiency.

Description

Dismounting tool for gearbox

Technical Field

The invention relates to the field of mechanical equipment, in particular to a disassembling and assembling tool for a gearbox.

Background

The gear box volume and the weight of large engineering machinery used in steel plant production are generally large, and people often need to cooperate in disassembly, assembly and maintenance, and the personnel are easily injured. At present, the domestic engineering machinery maintenance enterprises do not use special tools for dismounting and mounting operations.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a tool for assembling and disassembling a transmission, which can reduce the labor intensity during assembling and disassembling the transmission and improve the working efficiency.

In order to achieve the purpose, the invention provides a dismounting tool for a gearbox, which comprises a bearing frame, a lifting mechanism and a driving mechanism, wherein the lifting mechanism comprises a V-shaped lifting frame consisting of two lifting plates arranged oppositely and two supporting components for respectively supporting the two lifting plates, the lower ends of the two lifting plates are hinged on the bearing frame, the supporting components comprise a sliding block which is linearly movably arranged on the bearing frame and a supporting frame of which one end is hinged with the sliding block, the other end of the supporting frame is hinged with the upper end of the lifting plate, and the two driving mechanisms are two and respectively drive the two sliding blocks to move; the V-shaped lifting frame is used for supporting the gearbox.

Furthermore, the driving mechanism comprises a transmission screw rod which is rotatably arranged on the bearing frame, and the sliding block of the supporting component is sleeved on the transmission screw rod and is in threaded connection with the transmission screw rod.

Furthermore, the transmission screw rods of the two driving mechanisms are coaxial and are connected through a coupler, and the moving directions of the slide blocks on the two transmission screw rods are opposite.

Furthermore, a rotating hand wheel is arranged on the transmission screw rod.

Further, the transmission screw rod is installed on the bearing frame through a bearing.

Further, the bearing is an angular contact ball bearing.

Furthermore, still be equipped with the direction spout that extends along the slider moving direction on the bearing frame, the slider both sides are connected with the support pulley, the support pulley is installed in the direction spout.

Furthermore, rolling wheels are arranged below the bearing frame.

Further, the rolling wheel is a lockable universal wheel.

Furthermore, a hand-push frame is further arranged on the bearing frame.

As described above, the dismounting tool provided by the invention has the following beneficial effects:

through setting up the bearing frame, lifting mechanism, and actuating mechanism, utilize two actuating mechanism and two supporting component to adjust the action of two lifting plates of V-arrangement lifting frame, and support, can adjust two V-arrangements that lifting plate formed different angles, support the gearbox, can support the gearbox when the gearbox dismouting, bear and shift, high durability and convenient use, the adjustment is nimble, and can adapt to not unidimensional gearbox, intensity of labour when can reducing the gearbox dismouting, reduce maintenance personal work danger, and the work efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the disassembling and assembling tool of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a top view of fig. 1, with the lift plate omitted.

Fig. 4 is a sectional view taken along line a-a in fig. 3.

Description of the element reference numerals

1 load-bearing vehicle frame

11 lockable universal wheel

12 hand-push rack

13 guide chute

2 lifting plate

3 support frame

4 sliding block

5 Transmission screw rod

6 rotating hand wheel

7 angular contact ball bearing

8 support pulley

9 coupling

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather by the claims. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof may be regarded as the scope of the present invention without substantial changes in the technical contents.

Referring to fig. 1 to 4, the invention provides a dismounting tool for a gearbox, which comprises a bearing frame 1, a lifting mechanism and a driving mechanism, wherein the lifting mechanism comprises a V-shaped lifting frame consisting of two lifting plates 2 arranged oppositely and two supporting components for respectively supporting the two lifting plates 2, the lower ends of the two lifting plates 2 are hinged on the bearing frame 1, the supporting components comprise a sliding block 4 which is arranged on the bearing frame 1 in a linearly movable manner and a supporting frame 3 of which one end is hinged with the sliding block 4, the other end of the supporting frame 3 is hinged with the upper end of the lifting plate 2, and the two driving mechanisms are respectively used for driving the two sliding blocks 4 to move; the V-shaped lifting frame is used for supporting the gearbox.

The disassembly and assembly tool provided by the invention adjusts the actions of the two lifting plates 2 of the V-shaped lifting frame through the two driving mechanisms and the two supporting components and supports the two lifting plates, specifically, the driving mechanism drives the slide block 4 to move linearly, the slide block 4 drives the lifting plates 2 to rotate through the supporting frame 3, so that the upper ends of the lifting plates 2 are lifted up or put down, the two lifting plates 2 can be adjusted to form V shapes with different angles through the two driving mechanisms to support a gearbox, the requirements of gearboxes with different sizes are met, and the included angle range between the two lifting plates 2 can be determined according to requirements, preferably 30-180 degrees. When the dismouting frock is used for the gearbox to dismantle, push the gearbox below, through two actuating mechanism, two 2 mirror images ground rotations of lifting board of adjustment make two 2 to pasting gearbox position of lifting board, the gearbox is held in the support of V-arrangement, dismantles behind the connecting screw of gearbox, removes the dismouting frock and takes out the gearbox to putting the district. When the dismounting tool is used for mounting the gearbox, the gearbox is hoisted to the V-shaped lifting frame, the dismounting tool is pushed to move, the gearbox is pushed to the lower part of the mounting position of the vehicle bottom, the two lifting plates 2 are adjusted to rotate through the two driving mechanisms, the position of the gearbox is adjusted, and the bolt hole position of the gearbox is aligned with the mounting hole position to realize the mounting of the gearbox. The disassembly and assembly tool disclosed by the invention can support, bear and transfer the gearbox when the gearbox is disassembled and assembled, is convenient to use and flexible to adjust, can adapt to gearboxes with different sizes, can reduce the labor intensity when the gearbox is disassembled and assembled, reduces the working danger of maintenance personnel and improves the working efficiency.

In the present embodiment, referring to fig. 1 and fig. 3, as a preferred design, the driving mechanism includes a transmission screw 5 rotatably mounted on the carriage 1, a sliding block 4 of the supporting assembly is sleeved on the transmission screw 5 and is in threaded connection with the transmission screw 5, the transmission screw 5 and the sliding block 4 form a screw nut transmission mechanism, and the linear motion of the sliding block 4 is driven by rotating the transmission screw 5. In this embodiment, two lifting plates 2 of the V-shaped lifting frame are arranged front and back oppositely, and two driving mechanisms are respectively arranged at the front and the rear of the vehicle of the loading frame 1 and are respectively used for adjusting the lifting plates 2 at the front side and the rear side. As an optimal design, the transmission screw rods 5 of the two driving mechanisms are coaxial and are connected through the coupler 9, the moving directions of the sliding blocks 4 on the two transmission screw rods 5 are opposite, so that the two transmission screw rods 5 can synchronously rotate, and when any transmission screw rod 5 is rotated, the two sliding blocks 4 can be simultaneously driven to synchronously move in a mirror image mode.

In this embodiment, the transmission screw rods 5 are provided with rotating hand wheels 6, and the rotating hand wheels 6 of the two transmission screw rods 5 are respectively positioned at the front and the rear of the vehicle, so that the transmission screw rods 5 can be conveniently adjusted and rotated. The transmission screw rod 5 is installed on the bearing frame 1 through a bearing, the bearing preferably adopts an angular contact ball bearing 7, and the angular contact ball bearing 7 can bear radial load and axial load at the same time, so that the stable operation of the dismounting tool is ensured.

In this embodiment, referring to fig. 1 and 3, as a preferred design, the carriage 1 is further provided with a guide chute 13 extending along the moving direction of the slider 4, two sides of the slider 4 are connected with the supporting pulleys 8, the supporting pulleys 8 are installed in the guide chute 13, when the slider 4 moves, the supporting pulleys 8 roll in the guide chute 13 to stably guide the movement of the slider 4, and meanwhile, the supporting pulleys 8 can effectively avoid the transmission screw rod 5 from being bent under an excessive load.

In this embodiment, referring to fig. 1 and 3, rolling wheels are provided under the carriage 1, preferably lockable universal wheels 11, and a hand pushing frame 12 is further provided at the rear side of the carriage 1 to facilitate pushing the carriage 1 to move, and the dismountable working position is fixed and does not move through the lockable universal wheels 11 when in use.

Taking the disassembly tool in this embodiment as an example, the specific use process is as follows:

a. disassembling the gearbox: the disassembling tool is pushed into the lower part of the gearbox through the hand push frame 12 and the lockable universal wheel 11, and is locked by the lockable universal wheel 11; rotating a hand wheel 6 around or at the tail of the vehicle, adjusting the positions of two lifting plates 2 of the V-shaped lifting frame to the position of tightly adhering to a gearbox, and pulling a handle push frame 12 to take the gearbox out of a placing area after disassembling a connecting screw.

b. Installing a gearbox: the gearbox is hoisted to the V-shaped lifting frame, the gearbox is pushed to the lower part of the vehicle bottom mounting position by the traction hand-push frame 12, the hand wheel 6 is rotated, the two lifting plates 2 of the V-shaped lifting frame are adjusted to adjust the position of the gearbox, the bolt hole position of the gearbox is aligned with the mounting hole position, and the mounting of the gearbox is realized.

By last, the dismouting frock in this embodiment can support, bear and shift the gearbox when the gearbox dismouting, especially can be used to the installation and the dismantlement of large-scale engineering machine tool gearbox, convenient to use, and the adjustment is nimble, intensity of labour when can reducing the gearbox dismouting, reduces maintenance personal work danger, improves work efficiency.

In conclusion, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a dismouting frock of gearbox which characterized in that: the lifting mechanism comprises a bearing frame (1), a lifting mechanism and a driving mechanism, wherein the lifting mechanism comprises a V-shaped lifting frame consisting of two oppositely arranged lifting plates (2) and two supporting components for respectively supporting the two lifting plates (2), the lower ends of the two lifting plates (2) are hinged on the bearing frame (1), each supporting component comprises a sliding block (4) which is linearly movably arranged on the bearing frame (1) and a supporting frame (3) of which one end is hinged with the sliding block (4), the other end of the supporting frame (3) is hinged with the upper end of the lifting plate (2), and the two driving mechanisms are two and respectively drive the two sliding blocks (4) to move; the V-shaped lifting frame is used for supporting the gearbox.

2. The disassembly and assembly tool of claim 1, wherein: the driving mechanism comprises a transmission screw rod (5) which is rotatably arranged on the bearing frame (1), and a sliding block (4) of the supporting component is sleeved on the transmission screw rod (5) and is in threaded connection with the transmission screw rod.

3. The disassembly and assembly tool of claim 2, wherein: the transmission screw rods (5) of the two driving mechanisms are coaxial and are connected through a coupler (9), and the moving directions of the sliding blocks (4) on the two transmission screw rods (5) are opposite.

4. The disassembly and assembly tool of claim 2, wherein: and a rotating hand wheel (6) is arranged on the transmission screw rod (5).

5. The disassembly and assembly tool of claim 2, wherein: the transmission screw rod (5) is arranged on the bearing frame (1) through a bearing.

6. The disassembly and assembly tool of claim 5, wherein: the bearing is an angular contact ball bearing (7).

7. The disassembly and assembly tool of claim 1, wherein: the bearing vehicle frame (1) is further provided with a guide sliding groove (13) extending along the moving direction of the sliding block (4), two sides of the sliding block (4) are connected with supporting pulleys (8), and the supporting pulleys (8) are installed in the guide sliding groove (13).

8. The disassembly and assembly tool of claim 1, wherein: rolling wheels are arranged below the bearing frame (1).

9. The disassembly and assembly tool of claim 8, wherein: the rolling wheel is a lockable universal wheel (11).

10. The disassembly and assembly tool of claim 1, wherein: the bearing frame (1) is also provided with a hand push frame (12).