Full-automatic thread locking mechanism testing mechanism

Abstract

The utility model relates to a thread measuring instrument, and discloses a full-automatic thread locking mechanism testing mechanism which comprises a working platform (1), a locking testing device comprises a first support (2) and a pressure sensor (3), a threaded sleeve (a) is installed on the first support (2), and a screw (b) is connected to the pressure sensor (3). The locking testing device further comprises a motor (5) and a connecting assembly (6), one end of the connecting assembly (6) is fixedly connected with the output end of the motor (5), the other end of the connecting assembly (6) is fixedly provided with a rotary bit (7), the rotary bit (7) is connected with a threaded sleeve (a), the locking testing device further comprises a torque sensor (8), and the torque sensor (8) is connected with the connecting assembly (6) and monitors torque generated when threads are locked to form torque signals. According to the invention, large force can be borne; a protection device is arranged, so that the whole test board can work reliably; the verification result can reduce the repair rate of the thread locking mechanism.

Description

Technical Field

[0001] The utility model relates to a thread measuring instrument, in particular to a full-automatic thread locking mechanism testing mechanism. Background Art

[0002] With the rapid development of new energy vehicles, they are becoming more and more popular with customers. In order to deal with the problem of long driving range, short mileage and slow recharging of new energy vehicles, battery-swap new energy vehicles have always been one of the development directions of the industry. The battery pack of battery-swap new energy vehicles needs to be locked and loosened, and the thread locking mechanism serves this function. In order to ensure the locking performance and life of the thread locking mechanism, various tests need to be carried out on it; to ensure that when locked, the fastening does not loosen and has a long life.

[0003] In the prior art, in order to test the tightening force, the use of a universal testing machine is a common testing method. However, it requires manual operation and is complicated. A universal testing machine is expensive, data is difficult to extract, and the durability of the prior art cannot be tested. Therefore, it will affect the safety performance of battery pack replacement and there is a potential risk of failure; the overall design and cost of the thread locking mechanism are increased; in addition, as the car travels thousands of miles, the stability of the tightening force needs to be verified.

[0004] All of the above are troubling the R&D and design engineers of future new car models, so it is necessary to develop and design a thread locking mechanism durability test bench to greatly reduce the rework rate, verify unnecessary safety hazards, and improve production capacity. Utility Model Content

[0005] The utility model aims at the shortcomings of the prior art and provides a full-automatic thread locking mechanism testing mechanism.

[0006] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0007] A fully automatic thread locking mechanism testing mechanism comprises a working platform, on which a locking test device is installed, the locking test device comprises a first bracket and a pressure sensor, a threaded sleeve is installed on the first bracket, and a screw is connected to the pressure sensor; the locking test device also comprises a motor and a connecting assembly, one end of the connecting assembly is fixedly connected to the output end of the motor, and the other end of the connecting assembly is fixedly mounted with a rotating bit, the rotating bit is connected to the threaded sleeve and drives it to rotate and cooperate with the screw thread, the rotating bit simulates the rotating sleeve of the battery swap station to perform the thread locking mechanism, and also comprises a torque sensor, the torque sensor is connected to the connecting assembly and monitors the torque during thread locking to form a torque signal.

[0008] Preferably, a second bracket is further included, and a through hole is provided on the second bracket, and the rotary bit is connected to the screw rod through the through hole.

[0009] Preferably, a torque mounting frame is also installed on the working platform, the torque sensor is fixed on the torque mounting frame, and the torque mounting frame is installed with triangular reinforcing ribs for enhancing the strength of the frame.

[0010] The connecting assembly includes a first coupling and a second coupling. The first coupling and the second coupling are double-diaphragm couplings that compensate for eccentricity and ensure concentricity. The first coupling connects the motor output shaft and the torque sensor, and the second coupling connects the torque sensor and the rotary bit.

[0011] Preferably, a second bracket is further included, the pressure sensor is mounted on the second bracket, and a triangular reinforcing rib is mounted on the second bracket for enhancing the strength of the bracket.

[0012] Preferably, the working platform is also fixedly provided with a guide rail, which is located on the left side of the working platform and arranged along the left-right direction, and the second bracket cooperates with the guide rail and moves left-right along the guide rail.

[0013] Preferably, it also includes a base, a working platform is installed on the base, the working platform is equipped with a vertically arranged baffle, the baffle forms a cover body above the working platform, an observation port is provided on the baffle, an openable and closable safety door is installed on the observation port, the safety door is a transparent door body, the safety door is connected to a safety door sensor, when the locking test device is automatically running and the safety door is opened, the industrial control computer will immediately stop the equipment from working to provide safety protection, and the control circuit is connected to the industrial control computer.

[0014] Preferably, an industrial computer and a whole-line display terminal are installed in the base, and the industrial computer is connected to a pressure sensor, a torque sensor, a motor and a safety door sensor; an inspection door is installed on the base, and a movable roller is provided on the lower end surface of the base.

[0015] Preferably, it also includes a control panel, which is fixedly mounted on the work platform. The staff realizes human-computer interaction through the operation buttons in the control panel, monitors the operating status of the equipment in real time, and performs operation control; it also includes a tower lamp, which is fixedly mounted on the work platform; the industrial computer is connected to the control panel and the tower lamp.

[0016] Due to the adoption of the above technical solutions, the utility model has significant technical effects: the application can bear a large force; a protective device is provided to ensure the reliable operation of the entire test bench; the verification results can reduce the repair rate of the thread locking mechanism and avoid unnecessary safety hazards; after verifying the life of the thread locking mechanism, engineers can improve the structure of the thread locking mechanism, greatly reducing the cost of the thread locking mechanism. The test device can be applied to most thread locking mechanisms on the market through the improvement of the installation method, meet the needs of the future development of mechanical locking mechanisms, and has a large application and promotion market. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the locking test device of the utility model.

[0019] Figure 3 It is a test structure schematic diagram of the locking test device of the utility model.

[0020] The names of the parts indicated by the numerical labels in the accompanying drawings are as follows: 1—working platform, 2—first bracket, 3—pressure sensor, 4—second bracket, 5—motor, 6—connecting assembly, 7—rotating bit, 8—torque sensor, 9—guide rail, 10—base, 11—safety door, 12—control panel, 13—tower light, 41—through hole, 61—first coupling, 62—second coupling, 81—torque mounting bracket, 101—inspection door, 102—moving roller, a—threaded sleeve, b—screw. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] Example 1

[0023] A fully automatic thread locking mechanism testing mechanism, as shown in the figure, includes a working platform 1, on which a locking test device is installed, the locking test device includes a first bracket 2 and a pressure sensor 3, a threaded sleeve a is installed on the first bracket 2, a screw b is connected to the pressure sensor 3, the pressure sensor 3 is provided with a hole, and the screw b is inserted into the hole; the locking test device also includes a motor 5 and a connecting component 6, one end of the connecting component 6 is fixedly connected to the output end of the motor 5, and the other end of the connecting component 6 is fixedly equipped with a rotating screw bit 7, the rotating screw bit 7 is connected to the threaded sleeve a and drives it to rotate and cooperate with the screw b thread, the rotating screw bit 7 simulates the rotating sleeve of the battery swap station to perform a thread locking mechanism, and also includes a torque sensor 8, the torque sensor 8 is connected to the connecting component 6 and monitors the torque during thread locking to form a torque signal.

[0024] The operation steps of this device are as follows:

[0025] 1) The threaded sleeve a is installed and fixed on the first bracket 2;

[0026] 2) Screw rod b is inserted into hole 3 of pressure sensor and tightened;

[0027] 3) Manually operate the control panel 12, the coupling drives the rotating screwdriver bit 7, and the threaded sleeve a and the screw rod b begin to tighten and match;

[0028] 4) After screw b is tightened, pressure and torque values ​​are generated, and the number of locking strokes is recorded and input into the control panel 12;

[0029] 5) Return to the control panel 12 and set the parameters to start the test;

[0030] 6) After reaching the test life times, manually operate the control panel 12, the coupling drives the installation bit 7 to rotate in reverse, and after the screw rod b is screwed out, the threaded sleeve a is removed.

[0031] This device is tested continuously 24 hours a day, and the background records the real-time data of each lock.

[0032] Example 2

[0033] The embodiment is the same as the embodiment 1, except that a through hole 21 is provided on the first bracket 2, and the rotary bit 7 is connected to the threaded sleeve a through the through hole 21.

[0034] A torque mounting frame 81 is also installed on the working platform 1 , and the torque sensor 8 is fixedly mounted on the torque mounting frame 81 . The torque mounting frame 81 is installed with triangular reinforcing ribs for enhancing the strength of the frame.

[0035] The connecting assembly 6 includes a first coupling 61 and a second coupling 62. The first coupling 61 and the second coupling 62 are double-diaphragm couplings that compensate for eccentricity and ensure concentricity. The first coupling 61 connects the output shaft of the motor 5 and the torque sensor 8, and the second coupling 62 connects the torque sensor 8 and the rotary bit 7.

[0036] Example 3

[0037] The embodiment is the same as the first embodiment, except that it further comprises a second bracket 4, the pressure sensor 3 is mounted on the second bracket 4, and a triangular reinforcing rib is mounted on the second bracket 4 for enhancing the strength of the bracket.

[0038] A guide rail 9 is also fixedly mounted on the working platform 1 . The guide rail 9 is located on the left side of the working platform 1 and is arranged along the left-right direction. The second bracket 4 cooperates with the guide rail 9 and moves left-right along the guide rail 9 .

[0039] Example 4

[0040] The embodiment 1 is the same as the embodiment 1, except that it also includes a base 10, the work platform 1 is installed on the base 10, the work platform 1 is installed with a vertically arranged baffle, the baffle forms a cover body above the work platform 1, an observation port is provided on the baffle, an openable and closable safety door 11 is installed on the observation port, the safety door 11 is a transparent door body, the safety door 11 is connected to a safety door sensor, when the locking test device is automatically running, the safety door 11 is opened, the industrial control machine will immediately stop the equipment from working, provide safety protection, and the control circuit is connected to the industrial control computer.

[0041] An industrial computer and a whole-line display terminal are installed in the base 2 , and the industrial computer is connected to the pressure sensor 3 , the torque sensor 8 , the motor 5 and the safety door sensor; an inspection door 101 is installed on the base 10 , and a movable roller 102 is provided on the lower end surface of the base 2 .

[0042] It also includes a control panel 12, which is fixedly mounted on the work platform 1. The staff can realize human-computer interaction through the operation buttons in the control panel 12, monitor the operating status of the equipment in real time, and perform operation control; it also includes a tower lamp 13, which is fixedly mounted on the work platform 1; the industrial computer is connected to the control panel 12 and the tower lamp 13.

[0043] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.

Claims

1. A fully automatic thread locking mechanism testing mechanism, comprising a working platform (1), on which a locking testing device is installed, characterized in that: The locking test device comprises a first bracket (2) and a pressure sensor (3), wherein a threaded sleeve (a) is mounted on the first bracket (2), and a screw rod (b) is connected to the pressure sensor (3); the locking test device also comprises a motor (5) and a connecting assembly (6), wherein one end of the connecting assembly (6) is fixedly connected to the output end of the motor (5), and the other end of the connecting assembly (6) is fixedly mounted with a rotating screwdriver bit (7), wherein the rotating screwdriver bit (7) is connected to the threaded sleeve (a) and drives the rotating screwdriver bit to rotate and engage with the screw rod (b) thread, and further comprises a torque sensor (8), wherein the torque sensor (8) is connected to the connecting assembly (6) and monitors the torque when the thread is locked to form a torque signal.

2. A fully automatic thread locking mechanism testing mechanism according to claim 1, characterized in that: A through hole (21) is provided on the first bracket (2), and the rotary bit (7) is connected to the threaded sleeve (a) through the through hole (21).

3. A fully automatic thread locking mechanism testing mechanism according to claim 1, characterized in that: A torque mounting frame (81) is also installed on the working platform (1), and the torque sensor (8) is fixed on the torque mounting frame (81). The torque mounting frame (81) is installed with triangular reinforcing ribs for reinforcing the frame strength.

4. A fully automatic thread locking mechanism testing mechanism according to claim 1, characterized in that: The connecting assembly (6) comprises a first coupling (61) and a second coupling (62), wherein the first coupling (61) connects the output shaft of the motor (5) and the torque sensor (8), and the second coupling (62) connects the torque sensor (8) and the rotary bit (7).

5. The fully automatic thread locking mechanism testing mechanism according to claim 1, characterized in that: It also comprises a second bracket (4), the pressure sensor (3) is mounted on the second bracket (4), and the second bracket (4) is provided with a triangular reinforcing rib for reinforcing the strength of the bracket.

6. A fully automatic thread locking mechanism testing mechanism according to claim 5, characterized in that: A guide rail (9) is also fixedly mounted on the working platform (1), and the second bracket (4) cooperates with the guide rail (9) and moves left and right along the guide rail (9).

7. A fully automatic thread locking mechanism testing mechanism according to claim 6, characterized in that: The invention also comprises a base (10), a working platform (1) being mounted on the base (10), the working platform (1) being provided with an observation port, an openable and closable safety door (11) being mounted on the observation port, the safety door (11) being a transparent door body, and the safety door (11) being connected to a safety door sensor.

8. The fully automatic thread locking mechanism testing mechanism according to claim 7, characterized in that: An industrial computer and a whole-line display terminal are installed in the base (10), and the industrial computer is connected to a pressure sensor (3), a torque sensor (8), a motor (5) and a safety door sensor; an inspection door (101) is installed on the base (10), and a movable roller (102) is provided on the lower end surface of the base (10).

9. A fully automatic thread locking mechanism testing mechanism according to claim 8, characterized in that: It also includes a control panel (12) which is fixedly mounted on the working platform (1), and a tower lamp (13) which is fixedly mounted on the working platform (1); an industrial computer is connected to the control panel (12) and the tower lamp (13).

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