Test run device for testing speed reducer

Abstract

The utility model relates to the technical field of reducer testing, and discloses a test run device for reducer testing, which comprises a driving motor, an output shaft of the driving motor is fixedly connected with a first belt pulley, and one side of the first belt pulley is provided with a second belt pulley group. An adjusting rod in the hydraulic adjusting assembly is rotated to drive a piston plate to extrude internal hydraulic oil in a storage cylinder, so that the hydraulic oil is further extruded into a distribution ring through a communication sleeve, the distribution ring further distributes and extrudes the internal hydraulic oil into a mounting frame, the hydraulic pressure in the mounting frame is increased, and a push plate is pushed to move; the spring is stretched, the clamping block is clamped on the outer side face of the sleeved input shaft, complete locking and fixing are achieved, the driving motor is started, the first belt wheel rotates, the second belt wheel set rotates through belt transmission, and testing is completed, so that the device adapts to input shafts of different diameters and speed reducers of different specifications, and rapid and convenient testing is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer testing, and more specifically, to a test device for reducing gear testing. Background Art

[0002] The reducer converts the high-speed and low-torque input of the motor into a low-speed and high-torque output through its internal gears, worm gears, planetary gear trains and other transmission mechanisms. This conversion enables the motor to work efficiently and stably under a wider range of working conditions. After the reducer is produced, it needs to be tested for its mechanical efficiency, mechanical and electrical systems, and sealing.

[0003] In the prior art, the test run device for testing reducers has different outer diameters of the input shafts of different reducers, so pulleys with inner holes of different specifications need to be installed on the input shaft of the reducer, and then the test run is driven by a motor. However, under the premise of using the same drive motor, it is necessary to replace pulleys of different outer diameters to realize the test run of the reducer under different speeds, which leads to frequent replacement of pulleys during the test run. The actual frequent replacement operation is troublesome and the use effect is not good. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a test device for testing a reducer, which has the advantages of being suitable for testing reducers of different specifications and realizing multi-stage testing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test device for testing a reducer, comprising a driving motor, wherein the output shaft of the driving motor is fixedly connected to a first pulley, a second pulley group is provided on one side of the first pulley, a belt is connected between the first pulley and the second pulley group, a clamping assembly is fixedly provided on the front of the second pulley group, and a distribution ring is fixedly provided on the front of the second pulley;

[0006] The clamping assembly comprises a sleeve, a mounting frame, a push plate, a clamping block and a spring. The clamping assembly fixes the input shaft of the reducer inserted therein by means of the clamping block distributed around the inside of the sleeve. The mounting frame is fixedly connected to the distribution ring.

[0007] As a preferred technical solution of the utility model, the No. 1 pulley includes a composite wheel body, a No. 1 belt groove arrayed on the outer surface of the composite wheel body, and a fixed shaft fixedly sleeved inside the composite wheel body, and the fixed shaft is fixedly connected to the output shaft of the drive motor.

[0008] As a preferred technical solution of the utility model, the No. 2 pulley group includes wheel body one, wheel body two, wheel body three, a No. 2 belt groove and an intermediate plate. The wheel body one, wheel body two and wheel body three are alternately fixedly connected by two intermediate plates. The diameters of the wheel body one, wheel body two and wheel body three decrease successively, and the No. 2 belt groove is respectively distributed on the outer surfaces of the wheel body one, wheel body two and wheel body three.

[0009] As a preferred technical solution of the utility model, the number of the No. 2 belt groove is the same as that of the No. 1 belt groove, and the No. 2 belt groove corresponds to the No. 1 belt groove one by one and is located in the same vertical plane.

[0010] As a preferred technical solution of the utility model, the sleeve is fixedly connected to the front side of the wheel body, the mounting frame is fixedly connected to the outer surface of the sleeve and is evenly spaced around, the push plate is movably sleeved in the mounting frame, the inner and outer ends of the push plate are respectively fixedly connected to the spring and the clamping block, the other end of the spring is fixedly connected to the mounting frame, the outer surface of the sleeve is provided with a through opening connected to the mounting frame, the through opening corresponds to the clamping block one by one, and the mounting frame is connected to the distribution ring through a small hole at the bottom.

[0011] As a preferred technical solution of the utility model, the outer end of the clamping block is an arc-shaped surface, and the through hole is located on the moving path of the clamping block.

[0012] As a preferred technical solution of the utility model, a hydraulic adjustment component is fixedly provided on the front of the wheel body one, and the hydraulic adjustment component is fixedly connected to the distribution ring. The hydraulic adjustment component includes a storage cylinder, a connecting sleeve, a piston plate and an adjusting rod. The storage cylinder is fixedly connected to the front of the wheel body one, the connecting sleeve is fixedly connected between the storage cylinder and the distribution ring, the piston plate is movably sleeved in the storage cylinder, and the adjusting rod is fixedly connected to the front of the piston plate and is threadedly sleeved with the front of the storage cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model inserts the input shaft of the corresponding reducer into the sleeve of the clamping assembly, and rotates the adjusting rod in the hydraulic adjustment assembly, and the rotation drives the piston plate to squeeze the internal hydraulic oil in the storage cylinder, so that the hydraulic oil is further squeezed into the distribution ring through the connecting sleeve, so that the distribution ring further distributes and squeezes the internal hydraulic oil into the installation frame, the hydraulic pressure in the installation frame rises and pushes the push plate to move, the spring is stretched, the clamping block is clamped on the outer side of the inserted input shaft, completely locked and fixed, and the driving motor is started to rotate the No. 1 pulley, and the No. 2 pulley group is rotated through the belt transmission to complete the test, thereby adapting to input shafts of different diameters and realizing fast and convenient testing for reducers of different specifications.

[0015] 2. The utility model takes out the belt and replaces it on a different wheel body in the No. 2 pulley group. Under the condition that the same driving motor remains unchanged, wheels of different diameters are replaced and tests of different speeds are performed. By utilizing the "pagoda-shaped" No. 2 pulley group, synchronous rotation of pulleys of different diameters is achieved. Therefore, in actual testing, the rotation speed can be quickly changed by replacing the corresponding sleeve position of the belt. For the test of the reducer, the test speed range is increased, graded testing is achieved, the final test effect is improved, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 This is an exploded schematic diagram of the No. 2 pulley assembly of the utility model;

[0019] Figure 4 It is a schematic diagram of the first pulley of the utility model;

[0020] Figure 5 It is an exploded schematic diagram of the distribution ring and the second pulley assembly of the utility model;

[0021] Figure 6 This is an exploded schematic diagram of the No. 2 pulley assembly of the utility model;

[0022] Figure 7 It is an exploded schematic diagram of the hydraulic adjustment component of the utility model.

[0023] In the figure: 1. driving motor; 2. pulley No. 1; 21. composite wheel body; 22. fixed shaft; 23. belt groove No. 1; 3. pulley group No. 2; 31. wheel body No. 1; 32. wheel body No. 2; 33. wheel body No. 3; 34. belt groove No. 2; 35. intermediate plate; 4. distribution ring; 5. clamping assembly; 51. sleeve; 52. mounting frame; 53. push plate; 54. clamping block; 55. spring; 6. hydraulic adjustment assembly; 61. storage cylinder; 62. connecting sleeve; 63. piston plate; 64. adjustment rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 7As shown, the utility model provides a test device for testing a reducer, comprising a driving motor 1, wherein the output shaft of the driving motor 1 is fixedly connected to a first pulley 2, a second pulley group 3 is provided on one side of the first pulley 2, a belt is connected between the first pulley 2 and the second pulley group 3, a clamping assembly 5 is fixedly provided on the front of the second pulley group 3, and a distribution ring 4 is fixedly provided on the front of the second pulley group 3;

[0026] The clamping assembly 5 includes a sleeve 51, a mounting frame 52, a push plate 53, a clamping block 54 and a spring 55. The clamping assembly 5 fixes the input shaft of the reducer inserted therein through the clamping block 54 distributed around the inside of the sleeve 51. The mounting frame 52 is fixedly connected to the distribution ring 4.

[0027] Among them, the No. 1 pulley 2 includes a composite wheel body 21, a No. 1 belt groove 23 arrayed on the outer surface of the composite wheel body 21, and a fixed shaft 22 fixedly sleeved inside the composite wheel body 21, the fixed shaft 22 is fixedly connected to the output shaft of the drive motor 1, the No. 2 belt groove 34 is the same in number as the No. 1 belt groove 23, the No. 2 belt groove 34 corresponds to the No. 1 belt groove 23 one by one and is located in the same vertical plane.

[0028] By utilizing the array-distributed plurality of groups of No. 1 belt grooves 23 and No. 2 belt grooves 34 to correspond and match each other, test control at different rotation speeds can be achieved.

[0029] Among them, the No. 2 pulley group 3 includes a wheel body 1 31, a wheel body 2 32, a wheel body 33, a No. 2 belt groove 34 and an intermediate plate 35. The wheel body 1 31, the wheel body 2 32 and the wheel body 33 are alternately fixedly connected by two intermediate plates 35. The diameters of the wheel body 1 31, the wheel body 2 32 and the wheel body 33 decrease successively. The No. 2 belt groove 34 is respectively distributed on the outer surfaces of the wheel body 1 31, the wheel body 2 32 and the wheel body 33.

[0030] The sizes of multiple sets of wheels change gradually to achieve output at different speeds, expand the test range, and improve the test effect.

[0031] Among them, the sleeve 51 is fixedly connected to the front side of the wheel body 31, the mounting frame 52 is fixedly connected to the outer surface of the sleeve 51 and is evenly spaced around, the push plate 53 is movably sleeved in the mounting frame 52, the inner and outer ends of the push plate 53 are respectively fixedly connected to the spring 55 and the clamping block 54, the other end of the spring 55 is fixedly connected to the mounting frame 52, the outer surface of the sleeve 51 is provided with a through opening connected to the mounting frame 52, the through opening corresponds to the clamping block 54 one by one, the mounting frame 52 is connected to the distribution ring 4 through the small hole at the bottom, the outer end of the clamping block 54 is an arc surface, and the through hole is located on the moving path of the clamping block 54.

[0032] The arc-shaped clamping block 54 expands the clamping area and improves the clamping and fixing effect. The outer surface of the push plate 53 is provided with a sealing sleeve (not shown in the figure) to provide a dynamic sealing effect to ensure movement while avoiding leakage.

[0033] Among them, a hydraulic adjustment component 6 is fixedly provided on the front of the wheel body 31, and the hydraulic adjustment component 6 is fixedly connected to the distribution ring 4. The hydraulic adjustment component 6 includes a storage cylinder 61, a connecting sleeve 62, a piston plate 63 and an adjusting rod 64. The storage cylinder 61 is fixedly connected to the front of the wheel body 31, the connecting sleeve 62 is fixedly connected between the storage cylinder 61 and the distribution ring 4, the piston plate 63 is movably sleeved in the storage cylinder 61, and the adjusting rod 64 is fixedly connected to the front of the piston plate 63 and is threadedly sleeved with the front of the storage cylinder 61.

[0034] By progressively rotating the screw, the hydraulic pressure in the storage cylinder 61 is squeezed to provide hydraulic pressure in the system, thereby achieving hydraulic push and completing clamping and fixing under balanced force.

[0035] The working principle and use process of the utility model are as follows: when testing reducers with different outer diameters, the input shaft of the corresponding reducer is inserted into the sleeve 51 of the clamping assembly 5, and the adjusting rod 64 in the hydraulic adjustment assembly 6 is rotated, and the rotation drives the piston plate 63 to squeeze the internal hydraulic oil in the storage cylinder 61, so that the hydraulic oil is further squeezed into the distribution ring 4 through the connecting sleeve 62, so that the distribution ring 4 further distributes and squeezes the internal hydraulic oil into the installation frame 52, and the hydraulic pressure in the installation frame 52 rises and pushes the push plate 53 to move, the spring 55 is stretched, and the clamping block 54 is clamped on the outer side of the inserted input shaft, completely locked and fixed, and the drive motor 1 is started to rotate the No. 1 pulley 2, and the No. 2 pulley group 3 is rotated through the belt transmission to complete the test; when it is necessary to test at different speeds, take out the belt and replace it on a different wheel body in the No. 2 pulley group 3. When the same drive motor 1 remains unchanged, the wheel bodies with different diameters are replaced, and tests at different speeds are performed.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A test device for testing a reducer, comprising a drive motor (1), characterized in that: The output shaft of the driving motor (1) is fixedly connected to a first pulley (2), a second pulley group (3) is provided on one side of the first pulley (2), a belt is connected between the first pulley (2) and the second pulley group (3), a clamping assembly (5) is fixedly provided on the front side of the second pulley group (3), and a distribution ring (4) is fixedly provided on the front side of the second pulley group (3); The clamping assembly (5) comprises a sleeve (51), a mounting frame (52), a push plate (53), a clamping block (54) and a spring (55). The clamping assembly (5) fixes the input shaft of the reducer inserted therein by means of the clamping block (54) distributed around the inside of the sleeve (51). The mounting frame (52) is fixedly connected to the distribution ring (4).

2. A test device for reducing gearbox testing according to claim 1, characterized in that: The first pulley (2) comprises a composite wheel body (21), a first belt groove (23) arranged in an array on the outer surface of the composite wheel body (21), and a fixed shaft (22) fixedly sleeved inside the composite wheel body (21), wherein the fixed shaft (22) is fixedly connected to the output shaft of the drive motor (1).

3. A test device for reducing gearbox testing according to claim 2, characterized in that: The second pulley group (3) comprises a first pulley body (31), a second pulley body (32), a third pulley body (33), a second belt groove (34) and an intermediate plate (35); the first pulley body (31), the second pulley body (32) and the third pulley body (33) are alternately fixedly connected via two intermediate plates (35); the diameters of the first pulley body (31), the second pulley body (32) and the third pulley body (33) decrease in sequence; the second belt groove (34) is correspondingly distributed on the outer surfaces of the first pulley body (31), the second pulley body (32) and the third pulley body (33), respectively.

4. A test device for reducing gearbox testing according to claim 3, characterized in that: The number of the second belt grooves (34) is the same as the number of the first belt grooves (23); the second belt grooves (34) correspond to the first belt grooves (23) one by one and are located in the same vertical plane.

5. A test device for reducing gearbox testing according to claim 1, characterized in that: The sleeve (51) is fixedly connected to the front side of the wheel body (31); the mounting frame (52) is fixedly connected to the outer surface of the sleeve (51) and is evenly spaced around the sleeve; the push plate (53) is movably sleeved in the mounting frame (52); the inner and outer ends of the push plate (53) are respectively fixedly connected to the spring (55) and the clamping block (54); the other end of the spring (55) is fixedly connected to the mounting frame (52); the outer surface of the sleeve (51) is provided with a through hole connected to the mounting frame (52); the through hole corresponds to the clamping block (54) one by one; the mounting frame (52) is connected to the distribution ring (4) through a small hole at the bottom.

6. A test device for testing a reducer according to claim 5, characterized in that: The outer end of the clamping block (54) is an arc-shaped surface, and the through hole is located on the moving path of the clamping block (54).

7. A test device for testing a reducer according to claim 6, characterized in that: A hydraulic adjustment component (6) is fixedly provided on the front side of the wheel body (31). The hydraulic adjustment component (6) is fixedly connected to the distribution ring (4). The hydraulic adjustment component (6) comprises a storage cylinder (61), a connecting sleeve (62), a piston plate (63) and an adjustment rod (64). The storage cylinder (61) is fixedly connected to the front side of the wheel body (31). The connecting sleeve (62) is fixedly connected between the storage cylinder (61) and the distribution ring (4). The piston plate (63) is movably sleeved in the storage cylinder (61). The adjustment rod (64) is fixedly connected to the front side of the piston plate (63) and is threadedly sleeved with the front side of the storage cylinder (61).

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