CN210232889U

CN210232889U - Gear dismounting device

Info

Publication number: CN210232889U
Application number: CN201920681984.2U
Authority: CN
Inventors: Lingyuan Cheng; 程领元; Chao Chen; 陈超; Jie Dong; 董杰; Guochang Chen; 陈国昌; Baoye Zhang; 张宝业; Zhenlong Zhao; 赵振龙
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-04-03
Anticipated expiration: 2029-05-13

Abstract

The utility model belongs to the technical field of the air compressor machine dismouting, concretely relates to gear dismounting device, including frame, rack-mounted fixing device, application of force mechanism and actuating system, fixing device is used for fixed air compressor machine. The force applying mechanism comprises a first wedge-shaped block and a second wedge-shaped block which are oppositely arranged. The driving system is connected with the force application mechanism and can drive the force application mechanism to enable the first wedge-shaped block and the second wedge-shaped block to move in opposite directions, and then the first wedge-shaped block and the second wedge-shaped block apply pressure to the axial direction of the gear, so that the gear moves in the axial direction relative to a transmission shaft of the air compressor. The driving force of the force application mechanism is provided by a hydraulic system, and an electric control system is further arranged on the device and used for controlling the movement of the force application mechanism and preventing the force application mechanism from exceeding the limit and losing control. The device is simple to operate and convenient to use, the gear can be more easily disassembled, and the equipment and the air compressor can be protected from being damaged in the disassembling process.

Description

Gear dismounting device

Technical Field

The utility model belongs to the technical field of the air compressor machine is dismantled, concretely relates to gear dismounting device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The air compressor is an important component of an automobile air brake system. A transmission gear is assembled on a transmission shaft of the air compressor, the transmission shaft has certain taper and is fastened with the transmission gear through friction force, and a nut is added outside the transmission shaft for fixing. When the performance test of the air compressor is carried out, the transmission gear needs to be detached, and the corresponding special transmission gear for the test needs to be replaced. It is very difficult to disassemble the transmission gear. When the transmission gear is disassembled, the transmission gear is disassembled by a puller in a common method. The puller consists of a rotating handle, a screw rod and a pulling claw. When the air compressor is disassembled, the spiral rod thimble is positioned at the center of the transmission shaft, the pull claw is hung between the outer side surface of the transmission gear and the installation end surface of the air compressor, and the rotary handle is rotated to enable the pull claw to drive the transmission gear to move outwards along the axial direction until the air compressor is disassembled. The distance between the transmission gear and the mounting end face of the air compressor is uncertain, the distance is large, the transmission gear can be dismounted by the puller, the distance is small, and the pulling claw of the puller cannot be put in for dismounting. Therefore, the puller has certain limitation in disassembling the transmission gear. And the transmission gear needs to be fixed and does not rotate along with the transmission shaft, so that the operation by one person is very difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the drive gear of air compressor machine's dismantlement space is less at least, the drive gear of the inconvenient and air compressor machine of existing equipment operation need many people to cooperate could be accomplished when dismantling. The purpose is realized by the following technical scheme:

the utility model provides a gear dismounting device for dismantle the gear from the transmission shaft of air compressor machine, gear dismounting device includes:

a frame;

the fixing device is mounted on the rack and used for fixing the air compressor;

the force application mechanism is arranged on the rack and comprises a first wedge-shaped block and a second wedge-shaped block which are arranged oppositely;

the driving system is installed on the rack and connected with the force application mechanism, and the driving system can drive the force application mechanism to enable the first wedge block and the second wedge block to move in opposite directions, so that the first wedge block and the second wedge block apply axial pressure to the gear, and the gear moves in the axial direction relative to the transmission shaft.

The utility model provides a gear detaching device easy operation does not need many people to operate, convenient and practical, and application of force mechanism can change according to the gear model, combines the condition that gear and transmission shaft tapering are connected, applies the axial force to the gear, overcomes frictional force very easily and dismantles the gear, moreover to its not damaged. The traditional disassembling method is to stress the transmission shaft, overcome the friction force and achieve the purpose of disassembling, and needs to be operated by a plurality of people. The principle of the device is that the end face of the gear is stressed, the disassembly torque is large, the gear is easier to disassemble, and the device is not limited by the disassembly space.

In addition, according to the utility model discloses a gear detaching device still can have following additional technical characterstic:

in some embodiments of the present invention, the first wedge block is provided with a force application surface forming an acute angle with the vertical direction, and when the force application mechanism applies a pressure to the gear, the force application surface forms a line contact with the end surface of the gear.

In some embodiments of the present invention, the second wedge block has a shape that is identical to a shape of the first wedge block.

In some embodiments of the present invention, the first wedge block is connected to the frame, and the second wedge block is connected to the drive system.

In some embodiments of the present invention, the force applying mechanism is detachably mounted on the frame.

In some embodiments of the present invention, the fixing device can adjust the fixing position of the air compressor, so that the end face of the gear and the force application mechanism form a line contact.

In some embodiments of the present invention, the driving system is a hydraulic driving system, and the driving system includes an oil tank, a filter, a gear pump, a pressure gauge and a hydraulic valve which are connected in sequence.

In some embodiments of the present invention, the frame is provided with a first platform, one side of the first platform is provided with the fixing device, and the other side of the first platform is provided with the force application mechanism.

In some embodiments of the present invention, the frame is further provided with a second platform located below the first platform, the driving system is installed on the second platform, the first platform is provided with a connecting arm extending vertically, and the driving system passes through the connecting arm and the force application mechanism.

In some embodiments of the utility model, gear detaching device still includes electrical system, electrical system include with torque sensor and displacement sensor that application of force mechanism connects, with the PLC controller that actuating system connects, displacement sensor be used for with application of force mechanism's position variation feeds back to the PLC controller, torque sensor be used for with application of force mechanism's torque variation feeds back to the PLC controller is worked as when the PLC controller senses the moment of torsion and exceeds the moment of torsion of restriction, the PLC controller is through control actuating system makes application of force mechanism moves safe position, prevents application of force mechanism with actuating system's displacement and moment of torsion exceed the restriction and are out of control.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows an assembly view of a gear dismounting device according to an embodiment of the present invention;

fig. 2 schematically shows a schematic diagram of a force application structure of a gear dismounting device according to an embodiment of the present invention.

The reference symbols in the drawings denote the following:

10: frame, 11: first platform, 12: second platform, 13: fixing device, 14: connecting arm, 15: a controller, 16 a slide;

20: urging mechanism, 21: first wedge block, 22: a second wedge block;

30: drive system, 31: a hydraulic valve;

40: torque sensor, 41: a displacement sensor;

50: air compressor, 51: drive shaft, 52: a gear;

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 and fig. 2, according to the utility model discloses an embodiment has proposed a gear dismounting device for dismantle the gear from the transmission shaft of air compressor machine, gear dismounting device includes:

a frame 10;

the fixing device 13, the fixing device 13 is installed on the framework 10, the fixing device 13 is used for fixing the air compressor 50;

the force application mechanism 20 is installed on the frame 10, and the force application mechanism 20 comprises a first wedge block 21 and a second wedge block 22 which are oppositely arranged;

the driving system 30, the driving system 30 is mounted on the frame 10, the driving system 30 is connected to the force applying mechanism 20, the driving system 30 can drive the force applying mechanism 20 to move the first wedge block 21 and the second wedge block 22 towards each other, so that the first wedge block 21 and the second wedge block 22 apply axial pressure to the gear 52, and the gear 52 moves in an axial direction relative to the transmission shaft 51.

The utility model discloses a gear dismounting device of embodiment is equipped with wedge-shaped forcing mechanism 20, and forcing mechanism 20 is used for exerting axial force to gear 52, makes gear 52 for transmission shaft 51 axial displacement to dismantle from transmission shaft 51. The device is further provided with a fixing device 13 for fixing the air compressor 50, and the frame 10 is used for bearing the force application mechanism 20, the fixing device 13 and a driving system 30 for driving the force application mechanism 20. The device has the advantages of simple and compact structure, convenient operation, manpower saving and no limitation of the operation space of the existing dismounting device.

In some embodiments of the present invention, the first wedge block 21 is provided with a force application surface forming an acute angle with the vertical direction, and the force application surface forms a line contact with the end surface of the gear 52 when the force application mechanism 20 applies a pressure to the gear 52. The urging mechanism 20 applies an axial pressure to the gear 52 by the above-described line contact under the action of the drive system 30, and moves the gear 52 axially relative to the transmission shaft 51.

In some embodiments of the present invention, the shape of the second wedge 22 is identical to the shape of the first wedge 21. The two wedge blocks exert axial force on the gear 52 together, so that the stress of the gear is balanced, and the disassembly stability and efficiency are improved.

In some embodiments of the present invention, the first wedge 21 is connected to the frame 10 and the second wedge 22 is connected to the drive system 30. Before the gear 52 is detached, the air compressor 50 adjusts the installation position according to the position of the first wedge block 21, so that the end surface of the gear 52 is in line contact with the first wedge block 21. After the installation is completed, the second wedge block 22 is driven by the driving system 30 to move towards the first wedge block 21, and an axial force is applied to the gear 52, so that the gear 52 moves axially relative to the transmission shaft 51

In some embodiments of the present invention, the force applying mechanism 20 is detachably mounted on the frame 10. The two wedge blocks of the forcing mechanism 20 can be adjusted and replaced according to the model of the gear 52.

In some embodiments of the present invention, the fixing device 13 can adjust the installation position of the air compressor 50, so that the end surface of the gear 52 forms a line contact with the force applying mechanism 20, and after the air compressor 50 is installed, the first wedge block 21 and the second wedge block 22 move in opposite directions, i.e. the axial force can be applied to the gear 52.

In some embodiments of the present invention, the driving system 30 is a hydraulic driving system, and the driving system includes an oil tank, a filter, a gear pump, a hydraulic valve 31 and a pressure gauge which are connected in sequence. The hydraulic system has the advantages of large driving force, rapid gear disassembly, convenient adjustment, convenient control by combining an electric control system, small volume, better arrangement of the gear disassembly device and light weight of the device. The drive system may also provide the driving force in other ways, such as an electric drive system.

In some embodiments of the present invention, the frame is provided with a first platform 11, one side of the first platform 11 is provided with a fixing device 13, and the other side of the first platform 11 is provided with a force applying mechanism 20. The air compressor 50 is mounted on the fixing device 13, and the position of the air compressor 50 is adjusted so that the end surface of the gear 52 is in line contact with the first wedge block 21 and the second wedge block 22.

In some embodiments of the present invention, the frame 10 is further provided with a second platform 12 located below the first platform 11, the driving system 30 is installed on the second platform 12, the first platform 11 is provided with a connecting arm 14 extending vertically, one end of the connecting arm 14 is connected with the first platform 11, the other end of the connecting arm 14 is connected with the hydraulic valve 31, the connecting arm 14 is a hollow structure, the inside of the connecting arm contains a hydraulic pipeline of the driving system 30, and the hydraulic valve 31 is connected with the force application mechanism 20. The structure makes the structure of the gear disassembling device more compact.

The utility model discloses an in some embodiments, gear detaching device still includes electrical system, electrical system includes torque sensor 40 and displacement sensor 41 be connected with application of force mechanism 20, the PLC controller of being connected with actuating system, displacement sensor 41 is used for feeding back PLC controller with application of force mechanism's position variation, torque sensor 40 is used for feeding back PLC controller with application of force mechanism's 20 torque variation, when PLC controller sensed the moment of torsion and exceeded the moment of torsion of restriction, PLC controller makes application of force mechanism 20 move to safe position through control actuating system 30, prevent that application of force mechanism 20 and actuating system 30's displacement and moment of torsion from exceeding the restriction and out of control.

The utility model discloses an in some embodiments, gear detaching device's bottom still is equipped with slider 16, and slider 16 can conveniently move gear detaching device laborsavingly, and slider 16 is equipped with the locking structure, can lock slider 16 when gear detaching device need not remove.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a gear dismounting device for dismantle the gear from the transmission shaft of air compressor machine, its characterized in that, gear dismounting device includes:

a frame;

2. The gear removal device of claim 1, wherein the first wedge block is provided with a force application surface at an acute angle to the vertical, the force application surface making line contact with an end surface of the gear when the force application mechanism applies pressure to the gear.

3. The gear disassembly apparatus of claim 2, wherein the second wedge block has a shape that conforms to a shape of the first wedge block.

4. The gear changing apparatus of claim 3, wherein the first wedge block is coupled to the frame and the second wedge block is coupled to the drive system.

5. The gear disassembly apparatus of claim 1, wherein the force mechanism is removably mounted to the frame.

6. The gear detaching device as claimed in claim 1, wherein the fixing device is capable of adjusting a fixing position of the air compressor so that the end surface of the gear is in line contact with the force applying mechanism.

7. The gear removal device of claim 1, wherein the drive system is a hydraulic drive system, the drive system comprising a tank, a filter, a gear pump, a pressure gauge, and a hydraulic valve connected in series.

8. The gear wheel dismounting device according to claim 1, wherein the frame is provided with a first platform, one side of the first platform is provided with the fixing device, and the other side of the first platform is provided with the force applying mechanism.

9. The gear removing device according to claim 8, wherein the frame is further provided with a second platform located below the first platform, the driving system is mounted on the second platform, the first platform is provided with a vertically extending connecting arm, and the driving system is connected with the force applying mechanism through the connecting arm.

10. The gear dismounting device according to claim 1, further comprising an electronic control system, wherein the electronic control system comprises a torque sensor and a displacement sensor connected to the force application mechanism, and a PLC controller connected to the driving system, the displacement sensor is configured to feed back a change in position of the force application mechanism to the PLC controller, the torque sensor is configured to feed back a change in torque of the force application mechanism to the PLC controller, and when the PLC controller senses that the torque exceeds a limited torque, the PLC controller prevents the displacement and the torque of the force application mechanism and the driving system from being out of control by controlling the driving system to move the force application mechanism to a safe position by controlling the driving system.