Gearbox vibration testing device

Abstract

The utility model relates to the field of vibration testing, and discloses a gearbox vibration testing device comprising a vibration platform which is provided with a fixing mechanism; the fixing mechanism comprises a clamping assembly and a stabilizing assembly; the clamping assembly comprises a fixing block and a control shaft, the control shaft is rotationally installed on the vibration platform, a bidirectional thread is formed in the control shaft, a screw hole is formed in the side face of the fixing block, and the bidirectional thread is in threaded connection with the screw hole; the stabilizing assembly comprises a first stabilizing clamping block, a second stabilizing clamping block, a lower inserting block, an upper inserting block, a connecting frame, a moving block, an abutting block and a locking screw rod, the bottom of the first stabilizing clamping block is fixedly connected with the lower inserting block, a lower inserting groove is formed in the top of the vibration platform, and the lower inserting block and the lower inserting groove are clamped. The gearbox shell fixing device has the following advantages and effects that the stability of the gearbox shell after being fixed can be effectively improved, the gearbox shell fixing device is convenient to operate, and the test accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration testing, in particular to a gearbox vibration testing device. Background Art

[0002] A gearbox is a device that changes the speed ratio and direction of movement. It is used in automobiles, tractors, ships, machine tools and various machines to change the torque, speed and direction of movement transmitted from the driving shaft to the driven shaft according to different working conditions. A gear-driven gearbox is generally composed of a housing and several gear pairs. A gearbox is a gearbox that changes the transmission ratio and direction of movement. It is located between the clutch and the central transmission. Its main function is to change the driving force and travel speed of the vehicle while keeping the engine speed and torque unchanged.

[0003] In the prior art, a vibration test device is needed to simulate the working state of a gearbox under a vibration state, so as to perform a vibration test on the gearbox. Currently, when performing a vibration test on the gearbox, the gearbox is fixed by bringing the fixing blocks on both sides closer to the middle, and then the gearbox is tested. However, this fixing method is prone to displacement of the gearbox during the gearbox test, which will affect the accuracy of the test. Therefore, it is necessary to design a gearbox vibration test device to solve the above problem.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The utility model aims to provide a gearbox vibration testing device to solve the above problems.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a gearbox vibration test device, comprising:

[0007] A vibration platform, wherein a fixing mechanism is arranged on the vibration platform;

[0008] The fixing mechanism includes a clamping assembly and a stabilizing assembly;

[0009] The clamping assembly includes a fixed block and a control shaft, the control shaft is rotatably mounted on the vibration platform, a bidirectional thread is provided on the control shaft, a screw hole is provided on the side of the fixed block, and the bidirectional thread is threadedly connected with the screw hole;

[0010] The stabilizing assembly comprises a stabilizing clamping block 1, a stabilizing clamping block 2, a lower insert block, an upper insert block, a connecting frame, a moving block, a pressing block and a locking screw, the bottom of the stabilizing clamping block 1 is fixedly connected to the lower insert block, the top of the vibration platform is provided with a lower slot, the lower insert block is clamped with the lower slot, the top of the stabilizing clamping block 1 is provided with an upper slot, the top of the upper insert block is fixedly connected to the stabilizing clamping block 2, the upper insert block is clamped with the upper slot, the side of the connecting frame is fixedly connected to the fixed block, the moving block is slidably installed on the connecting frame, the side of the moving block is fixedly connected to the pressing block, the bottom of the pressing block is abutted against the stabilizing clamping block 2, the locking screw is threadedly installed on the connecting frame, the top of the moving block is provided with a plurality of locking screw grooves, and the locking screw is threadedly connected to the locking screw grooves.

[0011] The utility model is further configured as follows: a vibration motor is installed at the bottom of the vibration platform.

[0012] The utility model is further configured as follows: a support frame is fixedly arranged at the bottom of the vibration platform.

[0013] By adopting the above technical solution, the vibration platform is supported.

[0014] The utility model is further configured as follows: a top groove is opened on the top of the vibration platform, a fixed block is slidably installed in the top groove, a guide rod is fixedly arranged in the top groove, and the fixed block is slidably sleeved on the outer side of the guide rod.

[0015] The utility model is further configured as follows: the first stabilizing clamping block and the second stabilizing clamping block are both provided with stabilizing clamping holes, and the transmission case is abutted in the stabilizing clamping holes.

[0016] By adopting the above technical solution, the stability of the gearbox housing after clamping is improved.

[0017] The utility model is further configured as follows: the end of the gearbox housing is in contact with a fixing block.

[0018] By adopting the above technical solution, the gearbox housing can be clamped and fixed.

[0019] The utility model is further configured as follows: a bearing is fixedly arranged in the top groove, and the control shaft is installed on the bearing.

[0020] The utility model is further configured as follows: the bottom of the first stabilizing clamping block contacts the vibration platform, and the bottom of the second stabilizing clamping block contacts the first stabilizing clamping block.

[0021] The beneficial effects of the utility model are:

[0022] 1. The utility model provides a fixing mechanism, by rotating the stable clamping block 1 and the stable clamping block 2 of the corresponding specifications to the gearbox housing, and then placing the stable clamping block 1, the gearbox housing and the stable clamping block 2 in sequence, the gearbox housing can be initially clamped and fixed by the cooperation of the stable clamping block 1 and the stable clamping block 2, and then the control shaft is rotated to make the two fixing blocks abut against the ends of the gearbox housing, and the cooperation of the two stable clamping blocks can effectively improve the stability of the gearbox housing after being fixed;

[0023] 2. The utility model sets up a fixing mechanism, and the pressure block can limit the second stable clamping block, and the position of the pressure block can be adjusted to meet the testing requirements of different gearbox housings. After the fixing is completed, the vibration motor is started to perform a vibration test on the gearbox housing, thereby improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 and Figure 2 The utility model is a three-dimensional structural schematic diagram of a gearbox vibration testing device.

[0026] Figure 3 The utility model discloses a cross-sectional structural diagram of a gearbox vibration testing device.

[0027] Figure 4 yes Figure 3 Schematic diagram of the structure of part A in .

[0028] In the figure, 1. vibration platform; 2. vibration motor; 3. gearbox housing; 4. fixed block; 5. control shaft; 6. stable clamping block one; 7. stable clamping block two; 8. lower plug-in block; 9. upper plug-in block; 10. connecting frame; 11. moving block; 12. pressing block; 13. locking screw; 14. locking screw groove; 15. support frame; 16. stable clamping hole. DETAILED DESCRIPTION

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0031] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a gearbox vibration test device, comprising:

[0032] A vibration platform 1 is provided with a fixing mechanism. It should be noted that the gearbox housing 3 is fixed to the vibration platform 1 by the fixing mechanism;

[0033] The fixing mechanism includes a clamping assembly and a stabilizing assembly;

[0034] The clamping assembly includes a fixed block 4 and a control shaft 5. The control shaft 5 is rotatably mounted on the vibration platform 1. The control shaft 5 is provided with a bidirectional thread. A screw hole is provided on the side of the fixed block 4. The bidirectional thread is threadedly connected with the screw hole.

[0035] By rotating the control shaft 5 through the clamping assembly, the two fixing blocks 4 can move toward each other to clamp and fix the gearbox housing 3;

[0036] The stabilizing assembly includes a stabilizing clamping block 1 6, a stabilizing clamping block 2 7, a lower insert block 8, an upper insert block 9, a connecting frame 10, a moving block 11, a pressing block 12 and a locking screw 13. The bottom of the stabilizing clamping block 1 6 is fixedly connected to the lower insert block 8, a lower slot is provided at the top of the vibration platform 1, and the lower insert block 8 is clamped with the lower slot, an upper slot is provided at the top of the stabilizing clamping block 1 6, the top of the upper insert block 9 is fixedly connected to the stabilizing clamping block 2 7, and the upper insert block 9 is clamped with the upper slot, the side of the connecting frame 10 is fixedly connected to the fixed block 4, the moving block 11 is slidably installed on the connecting frame 10, the side of the moving block 11 is fixedly connected to the pressing block 12, the bottom of the pressing block 12 is abutted against the stabilizing clamping block 2 7, the locking screw 13 is threadedly installed on the connecting frame 10, a plurality of locking screw grooves 14 are provided at the top of the moving block 11, and the locking screw 13 is threadedly connected to the locking screw groove 14.

[0037] Through the above-mentioned stabilizing assembly, according to the size of the gearbox housing 3, the matching stabilizing clamping block 1 6 and the stabilizing clamping block 2 7 are selected, the lower insert block 8 on the stabilizing clamping block 1 6 is inserted into the lower slot, and the gearbox housing 3 is placed on the stabilizing clamping block 1 6, and then the stabilizing clamping block 2 7 is buckled, so that the upper insert block 9 is inserted into the upper slot, so that the gearbox housing 3 is initially clamped by the cooperation of the stabilizing clamping block 1 6 and the stabilizing clamping block 2 7, and then the control shaft 5 is rotated to make the two fixing blocks 4 move toward each other to clamp and fix the gearbox housing 3, so as to ensure the stability of the gearbox housing 3 after clamping, and the pressing block 12 can move synchronously, so that the pressing block 12 abuts against the stabilizing clamping block 2 7 to ensure the stability of the stabilizing clamping block 2 7, and in addition, the cooperation of the locking screw 13 and the locking screw groove 14 can adjust the position of the pressing block 12, so as to meet the fixing requirements of gearbox housings 3 of different lengths.

[0038] Specifically, a vibration motor 2 is installed at the bottom of the vibration platform 1 , and a support frame 15 is fixedly arranged at the bottom of the vibration platform 1 . It should be noted that this facilitates vibration testing of the fixed gearbox housing 3 .

[0039] Specifically, a top groove is opened on the top of the vibration platform 1, and the fixed block 4 is slidably installed in the top groove. A guide rod is fixedly arranged in the top groove, and the fixed block 4 is slidably sleeved on the outside of the guide rod. It should be noted that this facilitates the lateral movement of the fixed block 4.

[0040] Specifically, a stabilizing clamping hole 16 is provided on the stabilizing clamping block 1 6 and the stabilizing clamping block 2 7 , and the gearbox housing 3 is abutted in the stabilizing clamping hole 16 , and the end of the gearbox housing 3 is abutted against the fixing block 4 . It should be noted that the specification of the stabilizing clamping hole 16 is set according to the gearbox housing 3 .

[0041] Specifically, a bearing is fixedly provided in the top groove, and the control shaft 5 is installed on the bearing. It should be noted that this facilitates the rotation of the control shaft 5.

[0042] Specifically, the bottom of the stabilizing clamping block 1 6 contacts the vibration platform 1 , and the bottom of the stabilizing clamping block 2 7 contacts the stabilizing clamping block 1 6 . It should be noted that the positions of the stabilizing clamping block 1 6 and the stabilizing clamping block 2 7 are limited.

[0043] Working principle:

[0044] S1: Select the matching stable clamping block 1 6 and stable clamping block 2 7 according to the size of the gearbox housing 3, that is, the stable clamping holes 16 on the stable clamping block 1 6 and the stable clamping block 2 7 match the size of the gearbox housing 3, insert the lower inserting block 8 on the stable clamping block 1 6 into the lower slot, place the gearbox housing 3 on the stable clamping block 1 6, then buckle the stable clamping block 2 7, so that the upper inserting block 9 is inserted into the upper slot, so that the gearbox housing 3 is preliminarily clamped by the cooperation of the stable clamping block 1 6 and the stable clamping block 2 7;

[0045] S2: Then, the control shaft 5 is rotated so that the two fixing blocks 4 move toward each other to clamp and fix the gearbox housing 3, so that the stability of the gearbox housing 3 after clamping can be ensured, and the pressing block 12 can move synchronously so that the pressing block 12 abuts against the stable clamping block 2 7 to ensure the stability of the stable clamping block 2 7. In addition, the locking screw 13 and the locking screw groove 14 cooperate to adjust the position of the pressing block 12, so as to meet the fixing requirements of gearbox housings 3 of different lengths;

[0046] S3: Start the vibration motor 2 and perform a vibration test on the fixed gearbox housing 3 to ensure the accuracy of the test. After the test is completed, remove the stabilizing clamping block 2 7 and the stabilizing clamping block 1 6. When testing the gearbox housing 3 of different sizes in the future, select the appropriate stabilizing clamping block 1 6 and the stabilizing clamping block 2 7, which is more convenient to use.

[0047] The above is a detailed introduction to a gearbox vibration test device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A gearbox vibration test device, characterized in that: include: A vibration platform (1), wherein a fixing mechanism is provided on the vibration platform (1); The fixing mechanism includes a clamping assembly and a stabilizing assembly; The clamping assembly comprises a fixing block (4) and a control shaft (5), wherein the control shaft (5) is rotatably mounted on the vibration platform (1), a bidirectional thread is provided on the control shaft (5), a screw hole is provided on the side of the fixing block (4), and the bidirectional thread is threadedly connected with the screw hole; The stabilizing assembly comprises a stabilizing clamping block 1 (6), a stabilizing clamping block 2 (7), a lower inserting block (8), an upper inserting block (9), a connecting frame (10), a moving block (11), a pressing block (12) and a locking screw (13); the bottom of the stabilizing clamping block 1 (6) is fixedly connected to the lower inserting block (8); the top of the vibration platform (1) is provided with a lower slot, the lower inserting block (8) is clamped with the lower slot, the top of the stabilizing clamping block 1 (6) is provided with an upper slot, the top of the upper inserting block (9) is fixedly connected to the stabilizing clamping block 2 (7), the The upper plug block (9) is clamped with the upper slot, the side of the connection frame (10) is fixedly connected to the fixed block (4), the moving block (11) is slidably installed on the connection frame (10), the side of the moving block (11) is fixedly connected to the pressing block (12), the bottom of the pressing block (12) is in contact with the second stable clamping block (7), the locking screw (13) is threadedly installed on the connection frame (10), a plurality of locking screw grooves (14) are provided on the top of the moving block (11), and the locking screw (13) is threadedly connected to the locking screw grooves (14).

2. A gearbox vibration test device according to claim 1, characterized in that: A vibration motor (2) is installed at the bottom of the vibration platform (1).

3. A gearbox vibration testing device according to claim 1, characterized in that: A support frame (15) is fixedly arranged at the bottom of the vibration platform (1).

4. A gearbox vibration testing device according to claim 1, characterized in that: The top of the vibration platform (1) is provided with a top groove, the fixing block (4) is slidably installed in the top groove, a guide rod is fixedly arranged in the top groove, and the fixing block (4) is slidably sleeved on the outer side of the guide rod.

5. A gearbox vibration testing device according to claim 1, characterized in that: The first stabilizing clamping block (6) and the second stabilizing clamping block (7) are both provided with stabilizing clamping holes (16), and the gearbox housing (3) is abutted in the stabilizing clamping holes (16).

6. A gearbox vibration testing device according to claim 5, characterized in that: The end of the gearbox housing (3) abuts against the fixing block (4).

7. A gearbox vibration testing device according to claim 4, characterized in that: A bearing is fixedly arranged in the top groove, and the control shaft (5) is mounted on the bearing.

8. A gearbox vibration testing device according to claim 1, characterized in that: The bottom of the stabilizing clamping block 1 (6) is in contact with the vibration platform (1), and the bottom of the stabilizing clamping block 2 (7) is in contact with the stabilizing clamping block 1 (6).

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