CN115077892B

CN115077892B - Testing tool for speed reducer

Info

Publication number: CN115077892B
Application number: CN202211004938.1A
Authority: CN
Inventors: 王峰; 李晨
Original assignee: Jiangsu Nanjing Reducer Co ltd
Current assignee: Jiangsu Nanjing Reducer Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-01
Anticipated expiration: 2042-08-22
Also published as: CN115077892A

Abstract

The invention relates to the technical field of speed reducer testing, in particular to a testing tool for a speed reducer, which comprises a detection module, a pressing module and a limiting module, wherein the detection module comprises a supporting plate connected with the detection module and a support connected with the top of the supporting plate. According to the invention, the inflator is started through the external PLC, the inflator inflates air into the sealing pipe, the air in the sealing pipe is increased and then pushes the rod body and the toothed plate to move, the toothed plate drives the gear, the circular ring and the annular chain wheel to rotate, then the annular chain wheel rotates along with the two threaded rods under the help of the chain, then the pressing plate connected between the two threaded rods can drive the rubber pad and the inserted rod to descend, during the period, the inserted rod firstly enters the U-shaped pipe, the air in the U-shaped pipe is compressed, the rubber rod in the U-shaped pipe moves upwards to extrude the gland, then the gland is fixed by the descending pressing plate while the reducer is fixed by the gland, the reducer is firmly fixed, the steps are simple, and the testing efficiency is improved.

Description

Test tool for speed reducer

Technical Field

The invention relates to the technical field of speed reducer testing, in particular to a testing tool for a speed reducer.

Background

The speed reducer serves to match the rotational speed and transmit the torque between the prime mover and the working machine or actuator, and is used in modern machines in a wide variety of applications. The speed reducer can be divided into two categories, namely a general speed reducer and a special speed reducer according to purposes, and the design, manufacture and use characteristics of the general speed reducer and the special speed reducer are different.

The speed reducer during operation, the vibration of different degrees can appear, if not fixed to it, can influence the test result of speed reducer, and current test fixture when fixing the speed reducer, the operating procedure is comparatively complicated, not only uses comparatively complicatedly, finishes the test, and is also inconvenient when dismantling the speed reducer, leads to the efficiency of software testing low.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows:

a testing tool for a speed reducer comprises a detection module, a pressing module and a limiting module, wherein the detection module comprises a supporting plate connected with the detection module, a support connected with the top of the supporting plate, a temperature sensor and a vibration sensor connected with the top of the support, a plurality of movable plates movably arranged at the bottom of the supporting plate, U-shaped rods transversely and movably penetrating through the two movable plates, springs movably sleeved on the outer sides of the U-shaped rods and connected with the outer sides of the movable plates, and a transverse plate connected between the two U-shaped rods, the pressing module comprises a threaded rod movably penetrating through the transverse plate, a pressing plate in threaded connection between the two threaded rods, a rubber pad connected with the bottom of the pressing plate, chain wheels sleeved at the bottom ends of the threaded rods, and a chain connected between the two chain wheels, the bottom of the transverse plate is provided with a power assembly, the power assembly comprises an inverted small table connected with the bottom of the transverse plate, a sealing pipe connected with the front side of the inverted small table, an inflator connected with the sealing pipe and communicated with the sealing pipe, a rod body spliced with the sealing pipe, a toothed plate installed on the rear side of the rod body, a gear movably installed at the top of the inverted small table and meshed with the toothed plate, a ring connected with the top of the gear and a ring sprocket connected with the top of the ring, wherein the ring sprocket is positioned between the two sprockets and meshed with a chain, the temperature sensor, the vibration sensor and the inflator are electrically connected with an external PLC, the limiting module comprises a gland movably installed at two sides of the support, two inserted rods connected with the bottom of the pressure plate and vertically symmetrical to the support, two U-shaped pipes connected with the top of the support plate and a rubber rod spliced with the U-shaped pipes, the rubber rod is positioned at the outer end of the U-shaped pipe.

Through adopting above-mentioned technical scheme, start the aerator through external PLC, the aerator is aerifyd to the sealed intraductal, the intraductal air of sealed increases then promotes the body of rod and pinion rack and removes, the pinion rack drives the gear, ring and annular sprocket rotate, annular sprocket is under the help of chain then, two threaded rods rotate thereupon, then the clamp plate of connecting between two threaded rods can take rubber pad and inserted bar to descend, in the meantime, the inserted bar takes precedence and gets into the intraductal portion of U-shaped, the intraductal air of U-shaped receives the compression, the intraductal rubber pole upward movement of U-shaped, rubber pole extrusion gland, then when the speed reducer is fixed to the gland, the clamp plate that descends is fixed the gland, the speed reducer is firmly fixed, the step is simple, and the efficiency of software testing is improved.

The invention in a preferred example may be further configured to: the top of the transverse plate is connected with two guide plates which are respectively positioned at two sides of the supporting plate, and the top ends of the guide plates penetrate through the top of the pressing plate in a sliding manner.

Through adopting above-mentioned technical scheme, the deflector plays the effect of direction clamp plate, makes the clamp plate can steadily go up and down.

The present invention in a preferred example may be further configured to: the rubber pad is located between the two guide plates, and the width and the thickness of the rubber pad are equal to the width of the pressing plate.

Through adopting above-mentioned technical scheme, adopt this overall arrangement design, the rubber pad descends and can presses two glands.

The invention in a preferred example may be further configured to: and a torsion spring is connected between the transverse plate and the annular chain wheel, and the diameter of the torsion spring is smaller than that of the annular chain wheel.

Through adopting above-mentioned technical scheme, the torsional spring that takes place deformation is closed the back at the aerator, and the torsional spring can help clamp plate, rubber pad, inserted bar and rubber pole all resume initial position.

The invention in a preferred example may be further configured to: the movable plates are arranged in a matrix at equal intervals, and the supporting plates, the supports and the movable plates are all made of metal materials.

Through adopting above-mentioned technical scheme, adopting this overall arrangement design, a plurality of fly leaf cooperations can steadily erect the fagging, improve the structural stability of this device.

The present invention in a preferred example may be further configured to: the bottom end of the inflator is connected with two metal rods which are arranged in a staggered mode and connected with the outer wall of the inverted small table.

Through adopting above-mentioned technical scheme, the inflator has been consolidated to the metal pole, makes the inflator installation more firm.

The present invention in a preferred example may be further configured to: the inserted bar runs through the rubber pad, the inserted bar is vertical coaxial with the U-shaped pipe outer end.

Through adopting above-mentioned technical scheme, adopt this overall arrangement design, the inserted bar can accurately insert inside the U-shaped pipe, and then makes the air in the U-shaped pipe obtain the compression, then makes rubber pole jack-up gland.

The present invention in a preferred example may be further configured to: the rubber rod is positioned at the inner end of the U-shaped pipe, and the top end of the rubber rod rubs with the outer wall of the gland.

Through adopting above-mentioned technical scheme, adopt this layout design, the gland can be extruded to the rubber pole rising, makes the gland can fix the speed reducer.

By adopting the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the inflator is started through the external PLC, the inflator inflates air into the sealing pipe, the air in the sealing pipe is increased and then pushes the rod body and the toothed plate to move, the toothed plate drives the gear, the circular ring and the annular chain wheel to rotate, then the annular chain wheel rotates along with the two threaded rods under the help of the chain, then the inserted rod connected between the two threaded rods can drive the rubber pad and the rod body to descend, during the period, the inserted rod firstly enters the U-shaped pipe, the air in the U-shaped pipe is compressed, the rubber rod in the U-shaped pipe moves upwards to extrude the gland, then the gland is fixed by the descending pressure plate while the reducer is fixed by the gland, the reducer is firmly fixed, the steps are simple, and the testing efficiency is improved.

2. In the invention, the fixed speed reducer is started, then the temperature sensor and the vibration sensor detect the speed reducer, and the detected information is transmitted to the external PLC for recording, so that the structure is simple and the use is convenient.

3. According to the invention, after the speed reducer is tested, the inflator is closed, then the deformed torsion spring helps the gear to rotate reversely rapidly, then the pressing plate, the rubber pad, the inserted link and the rubber rod recover to the initial positions under mechanical transmission, then the gland is loosened after the extrusion of the gland is lost, and a worker can detach the speed reducer.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is a schematic view of a detection module according to the present invention;

FIG. 4 is a schematic view of the connection between the compression module and the power assembly of the present invention;

FIG. 5 is a schematic view of the power assembly of the present invention;

FIG. 6 is a schematic view of the connection of the toothed disc, ring and annular sprocket of the present invention;

FIG. 7 is a schematic view of a spacing module according to the present invention;

FIG. 8 is a schematic view showing the connection between the U-shaped tube and the rubber rod according to the present invention.

Reference numerals are as follows:

100. a detection module; 110. a supporting plate; 120. a support; 130. a temperature sensor; 140. a vibration sensor; 150. a movable plate; 160. a U-shaped rod; 170. a spring; 180. a transverse plate;

200. a compression module; 210. a threaded rod; 220. pressing a plate; 230. a rubber pad; 240. a sprocket; 250. a chain;

300. a power assembly; 310. putting the small table upside down; 320. a sealing tube; 330. an inflator; 340. a rod body; 350. a toothed plate; 360. a gear; 370. a circular ring; 380. an endless sprocket;

400. a limiting module; 410. a gland; 420. inserting a rod; 430. a U-shaped tube; 440. a rubber rod;

500. a guide plate;

600. a torsion spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It is to be understood that these descriptions are only exemplary, and are not intended to limit the scope of the present invention.

The following describes a test tool for a speed reducer according to some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 8, the testing tool for the speed reducer provided by the invention comprises a detection module 100, a pressing module 200 and a limiting module 400, wherein the detection module 100 comprises a supporting plate 110 connected with the detection module 100, a support 120 connected with the top of the supporting plate 110, a temperature sensor 130 and a vibration sensor 140 connected with the top of the support 120, a plurality of movable plates 150 movably mounted at the bottom of the supporting plate 110, U-shaped rods 160 transversely and movably penetrating through the two movable plates 150, springs 170 movably sleeved on the outer sides of the U-shaped rods 160 and connected with the outer sides of the movable plates 150, and a transverse plate 180 connected between the two U-shaped rods 160;

the pressing module 200 comprises threaded rods 210 movably penetrating through the transverse plate 180, a pressing plate 220 in threaded connection between the two threaded rods 210, a rubber pad 230 connected with the bottom of the pressing plate 220, chain wheels 240 sleeved at the bottom ends of the threaded rods 210, and a chain 250 connected between the two chain wheels 240, wherein a power assembly 300 is arranged at the bottom of the transverse plate 180;

the power assembly 300 comprises an inverted small table 310 connected with the bottom of the transverse plate 180, a sealing pipe 320 connected with the front side of the inverted small table 310, an inflator 330 connected with and communicated with the sealing pipe 320, a rod body 340 inserted into the sealing pipe 320, a toothed plate 350 mounted at the rear side of the rod body 340, a gear 360 movably mounted at the top of the inverted small table 310 and meshed with the toothed plate 350, a ring 370 connected with the top of the gear 360 and an annular chain wheel 380 connected with the top of the ring 370, wherein the annular chain wheel 380 is located between the two chain wheels 240 and meshed with the chain 250, and the temperature sensor 130, the vibration sensor 140 and the inflator 330 are electrically connected with an external PLC;

the limiting module 400 comprises a gland 410 movably mounted on two sides of the support 120, two insertion rods 420 connected with the bottom of the pressure plate 220 and vertically symmetrical with respect to the support 120, two U-shaped tubes 430 connected with the top of the supporting plate 110, and a rubber rod 440 inserted into the U-shaped tubes 430, wherein the rubber rod 440 is located at the outer ends of the U-shaped tubes 430.

Further, a plurality of the movable plates 150 are arranged in a matrix at equal intervals, the supporting plate 110, the support 120 and the movable plates 150 are all made of metal materials, and by adopting the layout design, the plurality of the movable plates 150 are matched to stably support the supporting plate 110, so that the structural stability of the device is improved.

Further, two metal rods are connected to the bottom end of the inflator 330, and the two metal rods are disposed alternately and connected to the outer wall of the inverted small table 310, and reinforce the inflator 330, so that the inflator 330 is more firmly installed.

Further, the inserted rod 420 penetrates through the rubber pad 230, the inserted rod 420 is vertically coaxial with the outer end of the U-shaped tube 430, and by adopting the layout design, the inserted rod 420 can be accurately inserted into the U-shaped tube 430, so that air in the U-shaped tube 430 is compressed, and then the rubber rod 440 jacks up the gland 410.

Further, the rubber rod 440 is located at the inner end of the U-shaped tube 430, the top end of the rubber rod 440 is in friction with the outer wall of the gland 410, and by adopting the layout design, the rubber rod 440 can rise to extrude the gland 410, so that the gland 410 can fix the speed reducer.

The second embodiment:

with reference to fig. 1, 2 and 7, on the basis of the first embodiment, the top of the transverse plate 180 is connected with two guide plates 500, the two guide plates 500 are respectively located at two sides of the supporting plate 110, the top ends of the guide plates 500 slidably penetrate through the top of the pressing plate 220, and the guide plates 500 function to guide the pressing plate 220, so that the pressing plate 220 can be lifted stably.

Specifically, the rubber pad 230 is located between the two guide plates 500, the width and thickness of the rubber pad 230 are equal to the width of the pressing plate 220, and with this layout, the rubber pad 230 descends to press the two pressing covers 410.

Example three:

in the above embodiment, as shown in fig. 1, the torsion spring 600 is connected between the horizontal plate 180 and the annular sprocket 380, the diameter of the torsion spring 600 is smaller than that of the annular sprocket 380, and the deformed torsion spring 600 helps the pressing plate 220, the rubber pad 230, the insert rod 420 and the rubber rod 440 to return to the initial positions after the inflator 330 is closed.

The working principle and the using process of the invention are as follows: when the device is put into practical use, the speed reducer is placed on the support 120, the inflator 330 is started through the external PLC, the inflator 330 inflates air into the sealing tube 320, air in the sealing tube 320 is increased, then the rod body 340 and the toothed plate 350 are pushed to move, then the toothed plate 350 drives the gear 360, the circular ring 370 and the annular chain wheel 380 to rotate, the torsion spring 600 deforms, then the annular chain wheel 380 rotates along with the two threaded rods 210 which are symmetrical about the annular chain wheel 380 under the help of the chain 250, then the pressing plate 220 connected between the two threaded rods 210 can drive the rubber pad 230 and the inserted rod 420 to descend, during the period, the inserted rod 420 enters the U-shaped tube 430 first, then the air in the U-shaped tube 430 is compressed, the rubber rod 440 in the U-shaped tube 430 slides, the rubber rod 440 presses the pressing cover 410, then the pressing plate 220 descending at the same time that the pressing cover 410 fixes the pressing cover 410, the speed reducer is fixed firmly, then the temperature sensor 130 and the vibration sensor 140 detect the speed reducer, the detected information is transmitted to the external PLC, then the deformation is closed, the deformed, the torsion spring 600 is deformed, the pressing plate 600 and the pressing plate 230 and the pressing plate 410 is restored quickly, and the pressing plate 220 and the pressing plate 410 is loosened after the detection is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a test fixture for speed reducer which characterized in that includes: a detection module (100), a compression module (200) and a limit module (400),

the detection module (100) comprises a supporting plate (110) connected with the detection module (100), a support (120) connected with the top of the supporting plate (110), a temperature sensor (130) and a vibration sensor (140) connected with the top of the support (120), a plurality of movable plates (150) movably mounted at the bottom of the supporting plate (110), U-shaped rods (160) transversely and movably penetrating through the two movable plates (150), springs (170) movably sleeved on the outer sides of the U-shaped rods (160) and connected with the outer sides of the movable plates (150), and a transverse plate (180) connected between the two U-shaped rods (160);

the pressing module (200) comprises a threaded rod (210) movably penetrating through the transverse plate (180), a pressing plate (220) in threaded connection between the two threaded rods (210), a rubber pad (230) connected with the bottom of the pressing plate (220), a chain wheel (240) sleeved at the bottom end of the threaded rod (210), and a chain (250) connected between the two chain wheels (240), and a power assembly (300) is arranged at the bottom of the transverse plate (180);

the power assembly (300) comprises an inverted small table (310) connected with the bottom of the transverse plate (180), a sealing pipe (320) connected with the front side of the inverted small table (310), an inflator (330) connected with and communicated with the sealing pipe (320), a rod body (340) inserted into the sealing pipe (320), a toothed plate (350) installed at the rear side of the rod body (340), a gear (360) movably installed at the top of the inverted small table (310) and meshed with the toothed plate (350), a ring (370) connected with the top of the gear (360) and an annular chain wheel (380) connected with the top of the ring (370), wherein the annular chain wheel (380) is located between the two chain wheels (240) and meshed with a chain (250), and the temperature sensor (130), the vibration sensor (140) and the inflator (330) are electrically connected with an external PLC;

the limiting module (400) comprises pressing covers (410) movably mounted on two sides of the support (120), two inserting rods (420) connected with the bottom of the pressing plate (220) and vertically symmetrical relative to the support (120), two U-shaped pipes (430) connected with the tops of the supporting plates (110) and rubber rods (440) inserted into the U-shaped pipes (430), and the rubber rods (440) are located at the outer ends of the U-shaped pipes (430);

a torsion spring (600) is connected between the transverse plate (180) and the annular chain wheel (380), and the diameter of the torsion spring (600) is smaller than that of the annular chain wheel (380).

2. The testing tool for the speed reducer is characterized in that two guide plates (500) are connected to the top of the transverse plate (180), the two guide plates (500) are respectively located on two sides of the supporting plate (110), and the top ends of the guide plates (500) penetrate through the top of the pressing plate (220) in a sliding mode.

3. The testing tool for the speed reducer is characterized in that the rubber pad (230) is located between the two guide plates (500), and the width and the thickness of the rubber pad (230) are equal to the width of the pressing plate (220).

4. The testing tool for the speed reducer according to claim 1, wherein the movable plates (150) are arranged in a matrix at equal intervals, and the supporting plate (110), the support (120) and the movable plates (150) are all made of metal materials.

5. The testing tool for the speed reducer as recited in claim 1, wherein two metal rods are connected to a bottom end of the inflator (330), and the two metal rods are arranged in a staggered manner and connected to an outer wall of the inverted small table (310).

6. The test tool for the speed reducer according to claim 1, wherein the insert rod (420) penetrates through the rubber pad (230), and the insert rod (420) is vertically coaxial with the outer end of the U-shaped pipe (430).

7. The test tool for the speed reducer according to claim 1, wherein the rubber rod (440) is located at the inner end of the U-shaped pipe (430), and the top end of the rubber rod (440) rubs against the outer wall of the gland (410).