CN219064441U

CN219064441U - Gear box shaft hole gear ring axiality error detection frock

Info

Publication number: CN219064441U
Application number: CN202320068989.4U
Authority: CN
Inventors: 杨顺成; 魏富德; 董进朝; 付蔚萍; 刘重祥
Original assignee: Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Current assignee: Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-23
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a gear box shaft hole gear ring coaxiality error detection tool, which is characterized in that a detection module is fixed on a shaft of a motor and used for detecting coaxiality of gears, and the gear box shaft hole gear ring coaxiality error detection tool comprises a base fixed on a motor shaft, a counterweight rod with the end part fixed on one side of the base, a detection rod with the end part fixed on the other side of the base and a detection assembly symmetrically arranged on the detection rod.

Description

Gear box shaft hole gear ring axiality error detection frock

Technical Field

The utility model relates to the technical field of error detection tools, in particular to a gear box shaft hole and gear ring coaxiality error detection tool.

Background

A gearbox is a mechanical device for increasing/decreasing by decelerating/increasing torque. It consists of two or more gears, one of which is driven by a motor. The output speed of the gearbox is inversely proportional to the gear ratio. Gearboxes are often preferred in constant speed applications, such as conveyors and cranes, which can provide increased torque, and during the production of gearboxes, it is necessary to perform error detection of the hole ring gear coaxiality, i.e. the coaxiality error detection of the outer gear ring and the inner gear ring, on the gears in the gearbox, and error detection tools are required for the detection.

The existing error detection tool for the coaxiality of the gearbox Kong Chijuan mainly has the following defects when in use: the structure is complicated, and use cost is higher, and simultaneously to the application scope of gear less when detecting, can not detect the gear of different gears, there is the space of improvement.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: the utility model provides a gear box shaft hole ring gear axiality error detection frock, includes: the main body module comprises a bottom plate, an annular electromagnet arranged at the top end of the bottom plate and a central control assembly arranged at the top end of the bottom plate.

The lifting module comprises a bracket fixed at the top end of the bottom plate, a driving assembly rotatably installed in the inner cavity of the bracket and extending out of the bracket, a sliding block slidingly embedded in the inner cavity of the bracket, a supporting plate with the end part fixed on the sliding block and a motor installed on the end part of the supporting plate far away from the sliding block.

The detection module comprises a base fixed on a motor shaft, a counterweight rod with the end part fixed on one side of the base, a detection rod with the end part fixed on the other side of the base and detection assemblies symmetrically arranged on the detection rod.

The present utility model may be further configured in a preferred example to: the central control assembly comprises a shell fixed at the top end of the bottom plate, a control panel arranged on the outer side surface of the shell and a processor arranged on the inner wall of the shell.

The present utility model may be further configured in a preferred example to: the driving assembly comprises a threaded rod and a hand wheel, wherein the threaded rod is rotatably arranged on the inner wall of the support, the top end of the threaded rod penetrates through the support to extend out, the hand wheel is fixed on the top end of the threaded rod, the top end of the sliding block is provided with a threaded hole, and the threaded hole is meshed with the threaded rod.

The present utility model may be further configured in a preferred example to: the motor is arranged at the top end of the supporting plate and axially downwards penetrates through the supporting plate to extend out, and the center of the central line of the motor shaft, the center of the bottom plate and the center of the annular electromagnet are positioned on the same vertical line.

The present utility model may be further configured in a preferred example to: two sliding grooves are symmetrically formed in the top end of the detection rod, and the detection assembly is embedded in the sliding grooves.

The present utility model may be further configured in a preferred example to: the detection assembly comprises a sliding block which is embedded in the sliding groove and slides, a fixing piece which is fixed at the bottom end of the sliding block, a roller which is rotatably sleeved on the outer side face of the fixing piece, a laser range finder which is arranged at the top end of the sliding block, and a spring which is arranged at one side of the sliding block, wherein one end of the spring is connected with the sliding block, and the other end of the spring is fixed on the inner wall of the sliding groove.

The present utility model may be further configured in a preferred example to: the laser range finder is divided into a laser emitter and a laser receiver which are respectively arranged on sliding blocks which are symmetrical on two sides and correspond to each other.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. according to the utility model, the motor is arranged on the supporting plate, the detection module is fixed on the shaft of the motor, the motor is utilized to drive the detection module to rotate, so that the symmetrically arranged detection assemblies detect the distance between the inner ring and the outer ring of the gear, when the fluctuation of the distance between the inner ring and the outer ring of the gear is smaller, namely, the higher the Kong Chijuan coaxiality of the gear is, and when the fluctuation of the distance between the inner ring and the outer ring of the gear is larger, namely, the lower the Kong Chijuan coaxiality of the gear is, the structure is simple and practical, the detection precision is high, the efficiency is high, the use cost is effectively reduced, and the practical performance is improved.

2. According to the utility model, the end part of the supporting plate is fixed on the sliding block sliding in the bracket, and the driving component drives the sliding block to move up and down, namely, the supporting plate is driven to move up and down, so that the detection module can detect gears with different thicknesses, and meanwhile, the detection component is tightly attached to the inner ring and the outer ring of the gears through the springs, so that gears with different sizes can be detected, the detection range of the detection tool is greatly increased, and the practical performance is further increased.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a slider structure according to the present utility model;

FIG. 3 is a schematic diagram of a detection module according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a detection module of the present utility model;

fig. 5 is a schematic structural diagram of a detection assembly according to the present utility model.

Reference numerals:

100. a main body module; 110. a bottom plate; 120. an annular electromagnet; 130. a central control assembly; 131. a housing; 132. a control panel; 133. a processor;

200. a lifting module; 210. a bracket; 220. a drive assembly; 221. a threaded rod; 222. a hand wheel; 230. a slide block; 231. a threaded hole; 240. a support plate; 250. a motor;

300. a detection module; 310. a base; 320. a weight bar; 330. a detection rod; 331. a chute; 340. a detection assembly; 341. a sliding block; 342. a fixing member; 343. a roller; 344. a laser range finder; 345. and (3) a spring.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

Some embodiments of the present utility model are described below with reference to fig. 1-5, which are a gear box shaft hole and gear ring coaxiality error detection tool, comprising: the main body module 100, lifting module 200 and detection module 300, main body module 100 includes bottom plate 110, install the annular electromagnet 120 on bottom plate 110 top and install the well accuse subassembly 130 on bottom plate 110 top, bottom plate 110 is used for installing other subassemblies, be used for installing lifting module 200 simultaneously, keep the stability of each subassembly in the testing process, increase the detection accuracy, the top face of annular electromagnet 120 flushes with the top face of bottom plate 110, be used for carrying out magnetic adsorption to the gear, thereby fix the gear on bottom plate 110, stability when detecting is kept to the gear, well accuse subassembly 130 includes the casing 131 of fixing on bottom plate 110 top, install the control panel 132 on casing 131 lateral surface and install the treater 133 on casing 131 inner wall, casing 131 is used for forming sealed environment, play the guard action to the electronic component of inner chamber, control panel 132 is used for the inspector to control detection module 300, the while convenience inspector obtains detection data, the treater 133 is used for handling and analyzing the data of detection module 300 transmission, and show it through control panel 132.

The lifting module 200 is installed on the bottom plate 110 and is used for controlling the detection module 300 to move up and down, the lifting module comprises a bracket 210 fixed at the top end of the bottom plate 110, a driving assembly 220 rotatably installed in the inner cavity of the bracket 210 and extending out of the bracket 210, a sliding block 230 slidingly embedded in the inner cavity of the bracket 210, a supporting plate 240 with the end fixed on the sliding block 230 and a motor 250 installed at the end, far away from the sliding block 230, of the supporting plate 240, the bracket 210 is used for installing the sliding block 230, grooves are formed in the opposite inner side surfaces of the bracket 210, the sliding block 230 is embedded in the grooves to slide, stability of the sliding block 230 in moving is kept, the driving assembly 220 comprises a threaded rod 221 rotatably installed on the inner wall of the bracket 210 and with the top end penetrating through the bracket 210 and a hand wheel 222 fixed at the top end of the threaded rod 221, the sliding block 230 is used for installing the supporting plate 240, a threaded hole 231 is formed in the top end of the sliding block 230, the threaded rod 231 is meshed with the threaded rod 221, when the sliding block 230 is rotated, the sliding block 230 can be driven to move up and down, the threaded rod 221 is driven to rotate, the supporting plate 240 is convenient for a detector to operate, the supporting plate 240 is used for installing the motor 250, the stability of the motor 250 is kept, the motor 250 is installed on the opposite inner side, the top end of the motor 250 is installed on the supporting plate and the same axial axis 240 and the supporting plate 240 is axially penetrates through the threaded rod 240 and the same center line to extend out of the center line 250, and is used for driving the electromagnet to be located at the center line to be perpendicular to the center line of the electromagnet 300.

The detection module 300 is fixed on the shaft of the motor 250 and used for detecting the coaxiality of gears, and comprises a base 310 fixed on the shaft of the motor 250, a balance weight rod 320 with the end part fixed on one side of the base 310, a detection rod 330 with the end part fixed on the other side of the base 310 and a detection assembly 340 symmetrically arranged on the detection rod 330, wherein the base 310 is used for installing the balance weight rod 320 and the detection rod 330 and simultaneously driving the balance weight rod 320 and the detection rod 330 to rotate, the balance weight rod 320 is used for keeping the balance of the weights on two sides of the base 310 and avoiding unbalance of the base 310 during rotation, the detection rod 330 is used for installing the detection assembly 340, the top end of the detection rod 330 is symmetrically provided with two sliding grooves 331, the detection assembly 340 is embedded in the sliding grooves 331, the detection assembly 340 comprises a sliding block 341 embedded in the sliding grooves 331, a fixing piece 342 fixed on the bottom end of the sliding block 341, a roller 343 rotationally sleeved on the outer side of the fixing piece 342, a laser range finder 344 arranged on the top end of the sliding block 341 and a spring 345 arranged on one side of the sliding block 230, the sliding block 341 is embedded in the sliding groove 331 to slide for keeping the stability of the detection assembly 340 when moving, the fixing piece 342 is used for installing the roller 343, meanwhile, the roller 343 is convenient for rotating, the roller 343 is used for being closely attached to the inner ring or the outer ring of the gear, the laser range finder 344 is divided into a laser emitter and a laser receiver, which are respectively installed on the two symmetrical sliding blocks 341 and correspond to each other, the laser emitted by the laser emitter is received by the laser receiver, the distance between the two can be accurately obtained from the time of emitting to the time of receiving, namely the distance between the inner ring and the outer ring of the gear, when the fluctuation of the distance between the inner ring and the outer ring of the gear is smaller, namely the Kong Chijuan coaxiality of the gear is higher, when the fluctuation of the distance between the inner ring and the outer ring of the gear is larger, that is, the lower the coaxiality of the gear Kong Chijuan is, one end of the spring 345 is connected with the sliding block 341, and the other end is fixed on the inner wall of the chute 331, so that the roller 343 is tightly attached to the inner ring or the outer ring of the gear, and the gear is convenient to be applied to gears with different sizes.

The working principle and the using flow of the utility model are as follows: when the device is used, the gear is placed on the bottom plate 110, the circle center of the gear is located approximately in the middle of the bottom plate 110, the ring electromagnet 120 is started, the gear is adsorbed and fixed on the bottom plate 110 by the ring electromagnet 120, the stability of the gear in the detection process is kept, the hand wheel 222 is rotated, the threaded rod 221 is driven to rotate, the sliding block 230 is driven to move downwards by the rotation of the threaded rod 221, the supporting plate 240 is driven to move downwards by the movement of the sliding block 230, the detection assemblies 340 are attached to the gear, the detection assemblies 340 on two sides are moved, the roller 343 in the detection assemblies 340 on one side are attached to the inner ring of the gear, the roller 343 in the detection assemblies 340 on the other side is attached to the outer ring of the gear, the motor 250 is started through the control panel 132, the base 310 is driven to rotate, the detection module 300 is driven to rotate by the rotation of the base 310, the distance between the detection assemblies 340 on two sides is measured by the laser range finder 344, data are transmitted to the central control assembly 130, the processed by analysis of the data, and the processed data are displayed through the control panel 132, when the distance fluctuation between the outer rings in the gear is small, namely, the distance fluctuation between the gears is Kong Chijuan is higher, and the larger when the distance between the outer rings in the gear is lower, namely the gear is Kong Chijuan.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a gear box shaft hole ring gear axiality error detection frock, includes: the lifting device comprises a main body module (100), a lifting module (200) and a detection module (300), and is characterized in that the main body module (100) comprises a bottom plate (110), an annular electromagnet (120) arranged at the top end of the bottom plate (110) and a central control assembly (130) arranged at the top end of the bottom plate (110);

the lifting module (200) comprises a bracket (210) fixed at the top end of the bottom plate (110), a driving assembly (220) rotatably installed in the inner cavity of the bracket (210) and extending out of the bracket (210), a sliding block (230) slidably embedded in the inner cavity of the bracket (210), a supporting plate (240) with the end fixed on the sliding block (230) and a motor (250) installed on the end, far away from the sliding block (230), of the supporting plate (240);

the detection module (300) comprises a base (310) fixed on the shaft of the motor (250), a counterweight rod (320) with the end part fixed on one side of the base (310), a detection rod (330) with the end part fixed on the other side of the base (310), and detection assemblies (340) symmetrically arranged on the detection rod (330).

2. The tool for detecting coaxiality errors of gear box shaft hole and gear ring according to claim 1, wherein the central control assembly (130) comprises a shell (131) fixed at the top end of the bottom plate (110), a control panel (132) arranged on the outer side surface of the shell (131) and a processor (133) arranged on the inner wall of the shell (131).

3. The tool for detecting the coaxiality error of the gear shaft hole and the gear ring of the gear box according to claim 1, wherein the driving assembly (220) comprises a threaded rod (221) rotatably installed on the inner wall of the bracket (210) and the top end of the threaded rod (221) extends out through the bracket (210) and a hand wheel (222) fixed on the top end of the threaded rod (221), the top end of the sliding block (230) is provided with a threaded hole (231), and the threaded hole (231) is meshed with the threaded rod (221).

4. The tool for detecting the coaxiality error of the gear shaft hole and the gear ring of the gear box according to claim 1, wherein the motor (250) is arranged at the top end of the supporting plate (240) and axially extends downwards through the supporting plate (240), and the center line of the motor (250) shaft, the center of the bottom plate (110) and the center of the annular electromagnet (120) are positioned on the same vertical line.

5. The tool for detecting the coaxiality error of the gear shaft hole and the gear ring of the gear box according to claim 1, wherein two sliding grooves (331) are symmetrically formed in the top end of the detection rod (330), and the detection assembly (340) is embedded in the sliding grooves (331).

6. The tool for detecting the coaxiality error of the gear shaft hole and the gear ring of the gear box according to claim 1, wherein the detecting assembly (340) comprises a sliding block (341) which is embedded in a sliding groove (331) and slides, a fixing piece (342) which is fixed at the bottom end of the sliding block (341), a roller (343) which is rotatably sleeved on the outer side face of the fixing piece (342), a laser range finder (344) which is arranged at the top end of the sliding block (341) and a spring (345) which is arranged at one side of the sliding block (230), one end of the spring (345) is connected with the sliding block (341), and the other end of the spring is fixed on the inner wall of the sliding groove (331).

7. The tool for detecting the coaxiality error of the gear shaft hole and the gear ring of the gear box according to claim 6, wherein the laser range finder (344) is divided into a laser emitter and a laser receiver, and the laser emitter and the laser receiver are respectively arranged on two symmetrical sliding blocks (341) and correspond to each other.