CN219064441U - A gear box shaft hole ring gear coaxiality error detection tool - Google Patents

Abstract

The utility model discloses a tool for detecting the coaxiality error of the gear box shaft hole ring gear. The detection module is fixed on the shaft of the motor and used for detecting the coaxiality of the gear. The balance rod fixed on one side of the base, the detection rod whose end is fixed on the other side of the base, and the detection components installed symmetrically on the detection rod. The detection rod rotates, and the counterweight rod is used to maintain the balance of the weight on both sides of the base, so as to avoid the imbalance of the base during rotation. The detection rod is used to install the detection components. In the chute, the detection component includes a sliding block fitted in the chute, a fixed piece fixed at the bottom of the sliding block, and a roller that is rotated and sleeved on the outer surface of the fixed piece. The detection tool has the advantages of simple structure, high detection efficiency and wide range.

Description

A gear box shaft hole ring gear coaxiality error detection tool

technical field

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

Background technique

A gearbox is a mechanical device used to increase/reduce torque by reducing/increasing it. 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 usually preferred in constant speed applications, such as conveyors and cranes, which can provide increased torque. During the production of gearboxes, the gears in the gearbox need to be checked for errors in the coaxiality of the gear rings. , that is, the coaxiality error detection between the outer ring of the gear and the inner ring of the gear, and the error detection tool is required for the detection.

The existing error detection tool for the coaxiality of gear box ring gear mainly has the following disadvantages when used: complex structure, high cost of use, and at the same time, the scope of application for gears is small during detection, and it cannot be used for different gears. There is room for improvement.

Utility model content

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

For this reason, the technical solution adopted by the utility model is: a gear box shaft hole ring gear coaxiality error detection tool, including: a main module, a lifting module and a detection module, the main module includes a bottom plate, installed on the top of the bottom plate The ring electromagnet and the central control assembly installed on the top of the bottom plate.

The lifting module includes a bracket fixed on the top of the bottom plate, a drive assembly that is rotatably installed in the inner cavity of the bracket and extends out of the bracket, a slider that slides and fits in the inner cavity of the bracket, a support plate whose end is fixed on the slider, and a The support plate is away from the motor on the end of the slider.

The detection module includes a base fixed on the motor shaft, a counterweight rod whose end is fixed on one side of the base, a detection rod whose end is fixed on the other side of the base, and a detection assembly symmetrically installed on the detection rod.

In a preferred example, the utility model can be further configured as follows: the central control assembly includes a housing fixed on the top of the bottom plate, a control panel installed on the outer side of the housing, and a processor installed on the inner wall of the housing.

In a preferred example, the utility model can be further configured as follows: the drive assembly includes a threaded rod that is rotatably mounted on the inner wall of the bracket and whose top end protrudes through the bracket, and a hand wheel fixed on the top end of the threaded rod, the slider There is a threaded hole at the top of the top, and the threaded hole and the threaded rod are engaged with each other.

In a preferred example, the utility model can be further configured as follows: the motor is installed on the top of the support plate and the shaft extends downward through the support plate, the center line of the motor shaft, the center of the bottom plate and the center of the ring electromagnet on the same vertical line.

In a preferred example, the utility model can be further configured as follows: two sliding slots are symmetrically opened on the top of the detection rod, and the detection assembly is fitted in the sliding slots.

In a preferred example, the utility model can be further configured as follows: the detection assembly includes a sliding block fitted in the chute, a fixing piece fixed at the bottom of the sliding block, and a roller rotatably socketed on the outer surface of the fixing piece , a laser range finder installed on the top of the sliding block and a spring installed on one side of the sliding block, one end of the spring is connected to the sliding block, and the other end is fixed on the inner wall of the chute.

In a preferred example, the utility model can be further configured as follows: the laser range finder is divided into a laser transmitter and a laser receiver, which are respectively installed on sliding blocks symmetrical on both sides, and the two correspond to each other.

By adopting the above-mentioned technical scheme, the beneficial effects obtained by the utility model are:

1. In this utility model, by installing the motor on the support plate, and fixing the detection module on the shaft of the motor, the detection module is driven by the motor to rotate, so that the symmetrically arranged detection components can detect the distance between the inner and outer rings of the gear. The smaller the distance fluctuation between the inner and outer rings of the gear, that is, the higher the coaxiality of the gear hole ring, the larger the fluctuation of the distance between the inner and outer rings of the gear, that is, the lower the coaxiality of the gear hole ring, and the structure is simple Practical, with high detection accuracy and high efficiency, which effectively reduces the cost of use and increases the practical performance.

2. In the utility model, by fixing the end of the support plate on the slider sliding in the bracket, and driving the slider to move up and down through the drive assembly, that is, driving the support plate to move up and down, so that the detection module can detect Gears of different thicknesses are detected, and the detection components are attached to the inner and outer rings of the gears through springs, so that gears of different sizes can be detected, which greatly increases the detection range of the detection tool and further increases the practical performance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the slider structure of the present utility model;

Fig. 3 is a schematic structural diagram of a detection module of the present invention;

Fig. 4 is a schematic cross-sectional view of the detection module of the present invention;

Fig. 5 is a schematic structural diagram of the detection assembly of the present invention.

Reference signs:

100. Main module; 110. Base plate; 120. Ring electromagnet; 130. Central control component; 131. Housing; 132. Control panel; 133. Processor;

200, lifting module; 210, bracket; 220, drive assembly; 221, threaded rod; 222, hand wheel; 230, slider; 231, threaded hole; 240, support plate; 250, motor;

300, detection module; 310, base; 320, counterweight rod; 330, detection rod; 331, chute; 340, detection component; 341, sliding block; ; 345, spring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other.

Some embodiments of the present utility model are described below in conjunction with the accompanying drawings. Referring to FIGS. The main module 100 includes a base plate 110, an annular electromagnet 120 installed on the top of the base plate 110, and a central control assembly 130 installed on the top of the base plate 110. The base plate 110 is used to install other components and is used to install the lifting module 200 at the same time, keeping each The stability of the components increases the detection accuracy. The top surface of the ring electromagnet 120 is flush with the top surface of the bottom plate 110, which is used to magnetically adsorb the gears, thereby fixing the gears on the bottom plate 110 and keeping the gears stable during detection. Specifically, the central control assembly 130 includes a housing 131 fixed on the top of the bottom plate 110, a control panel 132 installed on the outer surface of the housing 131, and a processor 133 installed on the inner wall of the housing 131. The housing 131 is used to form a sealed The environment protects the electronic components in the inner cavity. The control panel 132 is used for the inspector to control the detection module 300, and at the same time, it is convenient for the inspector to obtain the detection data. The processor 133 is used for processing and processing the data transmitted by the detection module 300. analyzed and displayed through the control panel 132.

The lifting module 200 is installed on the base plate 110, and is used to control the detection module 300 to move up and down, including a bracket 210 fixed on the top of the base plate 110, a drive assembly 220 that is rotatably installed in the inner cavity of the bracket 210 and extends out of the bracket 210, and a sliding insert. The slider 230 that fits in the inner cavity of the bracket 210, the support plate 240 whose end is fixed on the slider 230, and the motor 250 that is installed on the end of the support plate 240 away from the slider 230, the bracket 210 is used to install the slider 230. There is a groove on the opposite inner surface of the bracket 210, and the slider 230 slides in the groove to keep the stability of the slider 230 when moving. The threaded rod 221 that 210 stretches out and the handwheel 222 that is fixed on the top of threaded rod 221, slide block 230 is used for installing support plate 240, has threaded hole 231 at the top of slide block 230, and threaded hole 231 and threaded rod 221 Mesh with each other, so that the threaded rod 221 can drive the slider 230 to move up and down when it is rotating. The hand wheel 222 is used to drive the threaded rod 221 to rotate, which is convenient for the inspection personnel to operate. The support plate 240 is used to install the motor 250 and keep the motor. 250 work stability, the motor 250 is installed on the top of the support plate 240 and the shaft extends downward through the support plate 240, and the center line of the motor 250 shaft, the center of the bottom plate 110 and the center of the ring electromagnet 120 are located on the same vertical line , the motor 250 is used to drive the detection module 300 to rotate.

The detection module 300 is fixed on the shaft of the motor 250, and is used to detect the coaxiality of the gear, including a base 310 fixed on the shaft of the motor 250, a counterweight rod 320 whose end is fixed on one side of the base 310, and a fixed end The detection rod 330 on the other side of the base 310 and the detection assembly 340 symmetrically installed on the detection rod 330, the base 310 is used to install the counterweight rod 320 and the detection rod 330, and at the same time drive the counterweight rod 320 and the detection rod 330 to rotate, The counterweight bar 320 is used to keep the balance of the weight on both sides of the base 310, so as to prevent the base 310 from being out of balance when rotating. The detection rod 330 is used to install the detection assembly 340. Fitted in the chute 331, the detection assembly 340 includes a sliding block 341 fitted in the chute 331 to slide, a fixing piece 342 fixed on the bottom of the sliding block 341, a roller 343 rotatably sleeved on the outer surface of the fixing piece 342, The laser rangefinder 344 installed on the top of the slide block 341 and the spring 345 installed on one side of the slide block 230 block, the slide block 341 fits and slides in the chute 331 to maintain the stability of the detection assembly 340 when moving, The fixing part 342 is used to install the roller 343 and facilitate the rotation of the roller 343. The roller 343 is used to cling to the inner or outer ring of the gear. The laser range finder 344 is divided into a laser transmitter and a laser receiver, which are respectively installed on both sides On the symmetrical sliding block 341, and the two correspond to each other, the laser receiver receives the laser emitted by the laser transmitter, and the distance between the two can be accurately obtained in time from the time of emission to reception, that is, the inner ring of the gear and the The distance between the outer rings of the gears, when the fluctuation of the distance between the inner and outer rings of the gears is smaller, that is, the coaxiality of the hole gear of the gear is higher, and when the distance between the inner and outer rings of the gear fluctuates larger, that is, the hole teeth of the gear The lower the coaxiality of the ring, one end of the spring 345 is connected to the sliding block 341, and the other end is fixed on the inner wall of the chute 331, which is used to make the roller 343 close to the inner or outer ring of the gear, which is convenient for gears of different sizes .

The working principle and application process of the utility model: when in use, place the gear on the bottom plate 110, and make the center of the gear roughly in the middle of the bottom plate 110, start the ring electromagnet 120, and the ring electromagnet 120 will adsorb and fix the gear on the bottom plate 110 To maintain the stability of the gear during the detection process, turn the hand wheel 222 to drive the threaded rod 221 to rotate, the rotation of the threaded rod 221 drives the slider 230 to move downward, and the movement of the slider 230 drives the support plate 240 to move downward. Make the detection assembly 340 close to the gear, move the detection assembly 340 on both sides, make the roller 343 in the detection assembly 340 on one side be close to the inner ring of the gear, and make the roller 343 in the detection assembly 340 on the other side be close to the outer ring of the gear circle, start the motor 250 through the control panel 132, the motor 250 rotates to drive the base 310 to rotate, the base 310 rotates to drive the detection module 300 to rotate, the laser rangefinder 344 measures the distance between the detection components 340 on both sides, and the data It is transmitted to the central control component 130, and the processor 133 analyzes and processes the data, and displays the processed data through the control panel 132. When the distance fluctuation between the inner and outer rings of the gear is smaller, that is, the ring gear of the gear is coaxial The higher the degree, the greater the fluctuation of the distance between the inner and outer rings of the gear, that is, the lower the coaxiality of the gear's hole ring.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and Modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (7)

1. A gear box shaft hole ring gear coaxiality error detection tool, including: a main module (100), a lifting module (200) and a detection module (300), characterized in that the main module (100) includes a bottom plate (110), the ring electromagnet (120) installed on the top of the base plate (110) and the central control assembly (130) installed on the top of the base plate (110); The lifting module (200) includes a bracket (210) fixed on the top of the bottom plate (110), a drive assembly (220) that is rotatably installed in the inner cavity of the bracket (210) and extends out of the bracket (210), and is slidingly fitted in the bracket ( 210) The slider (230) in the inner cavity, the support plate (240) whose end is fixed on the slider (230), and the motor (250) installed on the end of the support plate (240) away from the slider (230); The detection module (300) includes a base (310) fixed on the shaft of the motor (250), a counterweight rod (320) whose end is fixed on one side of the base (310), and whose end is fixed on the other side of the base (310). The detection rod (330) on the side and the detection assembly (340) symmetrically installed on the detection rod (330). 2. A gear box shaft hole ring gear coaxiality error detection tool according to claim 1, characterized in that the central control component (130) includes a housing (131) fixed on the top of the bottom plate (110) , a control panel (132) installed on the outer surface of the housing (131) and a processor (133) installed on the inner wall of the housing (131). 3. A gear box shaft hole and ring gear coaxiality error detection tool according to claim 1, characterized in that, the drive assembly (220) includes a drive assembly (220) that is rotatably mounted on the inner wall of the bracket (210) and whose top end passes through the bracket (210) protruding threaded rod (221) and the hand wheel (222) fixed on the top of the threaded rod (221), the top of the slider (230) has a threaded hole (231), and the threaded hole (231 ) intermesh with the threaded rod (221). 4. A gear box shaft hole ring gear coaxiality error detection tool according to claim 1, characterized in that the motor (250) is installed on the top of the support plate (240) and passes through the support axially downward The plate (240) protrudes, and the center line of the motor (250) shaft, the center of the bottom plate (110) and the center of the ring electromagnet (120) are located on the same vertical line. 5. A gear box shaft hole and ring gear coaxiality error detection tool according to claim 1, characterized in that, two slide grooves (331) are symmetrically opened on the top of the detection rod (330), and the The detection component (340) is fitted in the sliding groove (331). 6. A gear box shaft hole and ring gear coaxiality error detection tool according to claim 1, characterized in that, the detection component (340) includes a sliding block ( 341), the fixing part (342) fixed on the bottom end of the sliding block (341), the roller (343) rotating and sleeved on the outer surface of the fixing part (342), the laser range finder ( 344) and a spring (345) installed on one side of the slider (230), one end of the spring (345) is connected to the slider (341), and the other end is fixed on the inner wall of the chute (331). 7. A gear box shaft hole ring gear coaxiality error detection tool according to claim 6, characterized in that the laser range finder (344) is divided into a laser transmitter and a laser receiver, which are respectively installed on on the sliding block (341) symmetrical on both sides, and the two correspond to each other.

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