Portable torque wrench online detection device

By designing a portable torque wrench online detection device, using components such as servo motors and support feet, the existing devices are large in size and inconvenient to carry, and efficient and accurate torque wrench detection is achieved, improving the flexibility and efficiency of on-site operations.

CN223259128UActive Publication Date: 2025-08-22CHANGCHUN HONGTAIYUAN MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202422614018.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-08-22
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The existing torque wrench online detection device is large in size, inconvenient to carry, and difficult to adapt to narrow space operations, increasing operational difficulty and fatigue, affecting operation flexibility and efficiency.

Method used

A portable torque wrench online detection device is designed, using a servo motor to drive the rotating shaft and the detection table, combined with support feet and bearing devices, equipped with a protective cover and a heat dissipation system, which is compact and easy to carry, improving detection accuracy and efficiency.

Benefits of technology

It realizes fast and accurate detection of torque wrench, simplifies the operation process, improves the convenience and stability of detection, adapts to various working environments, and reduces the physical burden of users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable on-line detection device for a torque wrench, which belongs to the technical field of torque wrench detection and is characterized in that a plurality of supports are mounted at the upper end of a mounting plate, bearing devices are mounted on the supports, a rotating shaft is erected on the plurality of bearing devices, one end of the rotating shaft is connected with a servo motor, and the other end of the rotating shaft is connected with a power supply. The other end of the rotating shaft is connected with a detection table through a connector and a butt joint; the servo motor drives the rotating shaft and the detection bench to rotate, and the end face of the detection bench is provided with a detection port for the online detection of the torque wrench, thereby achieving the online detection operation of the torque wrench. The servo motor drives the rotating shaft and the detection table to rotate accurately, the torque wrench is detected quickly, and the working efficiency is improved. And real-time data is displayed on an advanced display screen, so that an operator can conveniently monitor a state and a result, the detection process is simplified, and the convenience and the efficiency are improved. The bearing device reduces friction and improves detection precision and accuracy. The protective cover protects the circuit board, and the cooling system ensures the stability of the circuit board.
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Description

Technical Field

[0001] The utility model relates to the technical field of torque wrench detection, in particular to a portable online detection device for a torque wrench. Background Art

[0002] Online torque wrench testing is a method used to ensure that bolted joints achieve the desired torque value during assembly. This method typically involves using specialized equipment to measure and record the torque output of the torque wrench during the tightening process to ensure accuracy and repeatability. Online testing monitors torque wrench performance in real time, helping to prevent over- or under-tightening issues and ensuring product quality and safety. This testing method is particularly important in industries such as automotive, aerospace, and construction, where bolted joints often require precise torque control to ensure structural integrity and reliability.

[0003] Although the online detection devices for torque wrenches currently on the market play an important role in ensuring torque accuracy and operation quality, they do face some limitations that cannot be ignored in actual application.

[0004] First, these devices are relatively large and lack a compact design, making them difficult to carry and use. During field operations, users often need to frequently move these devices to adapt to varying work environments and requirements. However, this design flaw not only increases operational difficulty but also compromises operational flexibility and efficiency due to the bulkiness of the equipment.

[0005] Furthermore, due to their large size, these devices can be difficult to use in confined or restricted spaces, limiting their application in certain applications. For example, in precision operations such as automotive repair or aerospace, space constraints necessitate compact and flexible testing equipment to reach and inspect hard-to-reach areas. However, existing online torque wrench testing devices often fail to meet these requirements, hindering operational accuracy and efficiency.

[0006] Furthermore, carrying large detection devices can place an increased physical strain on users due to their size and weight. This can lead to operator fatigue, particularly during long, continuous operations, and can affect operational stability and safety. Therefore, the design and improvement of online torque wrench detection devices must consider portability and ease of operation to improve on-site operational flexibility and overall work efficiency. Utility Model Content

[0007] The main purpose of the utility model is to provide a portable online detection device for torque wrenches, which can effectively solve the problems raised in the background technology.

[0008] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0009] A portable online detection device for a torque wrench includes a mounting plate, a protective cover, a printed circuit board, and a display screen. The protective cover is mounted on the mounting plate, and the printed circuit board is mounted on the mounting plate and covered by the protective cover. The display screen is located at the upper end of the protective cover and displays online detection data on the display screen.

[0010] A plurality of brackets are mounted on the upper end of the mounting plate, and a bearing device is mounted on the bracket. A rotating shaft is mounted on the plurality of bearing devices. One end of the rotating shaft is connected to a servo motor, and the other end of the rotating shaft is connected to a detection platform through a connector and a docking joint.

[0011] The servo motor drives the rotating shaft and the detection platform to rotate. The end surface of the detection platform is provided with a detection port for online detection of the torque wrench, thereby realizing the online detection operation of the torque wrench.

[0012] As a further optional solution of the present invention, support feet are provided at the four corners of the lower end of the mounting plate, and the cross-section of the support feet is designed in a "U" shape. Anti-slip pads are provided at the connection between the support feet and the mounting plate, and mounting holes are opened at the lower ends of the support feet;

[0013] As a further optional solution of the present invention, the side wall of the protective cover is a through groove, which accelerates the heat dissipation of the printed circuit board. The protective cover is fixed to the display screen by bolts. The lower end of the protective cover is provided with a circular hole, and the bolt is inserted into the circular hole to fix the protective cover to the mounting plate.

[0014] As a further optional solution of the present invention, the cross section of the bracket is designed to be in an inverted "T" shape, the bracket is fixed to the mounting plate by bolts, and the bracket and the bearing device are fixed by bolts;

[0015] As a further optional solution of the present invention, the rotating shaft passes through the bearing device and is inserted into the opening of the docking joint, and the docking joint and the rotating shaft are fixed by bolts. The square head of the docking joint is inserted into the connecting head and fixed by bolts. The connecting head and the testing platform are designed as an integrated whole.

[0016] As a further optional solution of the present invention, the output end of the servo motor is fixed to the rotating shaft by bolts, and the servo motor is fixed to the mounting plate by an L-shaped frame and bolts.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] A precision servo motor drives the shaft and test table to perform precise rotational motion, enabling rapid testing of torque wrenches while significantly improving work efficiency. During testing, an advanced display screen displays test data in real time, allowing operators to easily monitor test status and results, streamlining the entire testing process and improving operational convenience and efficiency.

[0019] Furthermore, the introduction of a bearing assembly effectively reduces friction during shaft rotation, significantly improving detection accuracy and ensuring the accuracy of test results. To further protect the internal circuit boards, the device is equipped with a protective cover. This not only prevents potential environmental impact on the boards, but also ensures their stability over extended periods of operation through a carefully designed heat dissipation system.

[0020] The support legs increase the overall stability of the device, ensuring smooth testing, even in uneven working environments. The device's compact structure and lightweight design make it easy to carry and move, adapting to various working environments and meeting the needs of on-site testing.

[0021] The components are fixed with bolts, which not only facilitates installation and maintenance but also ensures long-term stable operation of the device. The integrated design of the connector and test bench further simplifies the structure of the device, improves the stability and reliability of the test bench, and makes the entire testing process smoother and more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a top view of the overall structure of the utility model;

[0024] Figure 3 This is a side view of the overall structure of the utility model;

[0025] Figure 4 This is a display diagram of the servo motor, rotating shaft and testing platform of the utility model.

[0026] In the figure: 1. Mounting plate; 2. Support foot; 3. Protective cover; 4. Printed circuit board; 5. Display screen; 6. Bracket; 7. Bearing device; 8. Servo motor; 9. Rotating shaft; 10. Test table; 11. Connector; 12. Docking joint; 13. Test port. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] like Figure 1 - Figure 4 As shown, a portable torque wrench online detection device is designed to provide an efficient and accurate torque wrench detection method to meet the needs of torque wrench performance detection in industrial production. The device mainly includes key components such as a mounting plate 1, a protective cover 3, a printed circuit board 4 and a display screen 5. The protective cover 3 is cleverly installed on the mounting plate 1. Its main function is to protect the internal printed circuit board 4 from the influence of the external environment. At the same time, through the structural design of the protective cover 3, the printed circuit board 4 is effectively dissipated. The printed circuit board 4 is installed on the mounting plate 1 and is covered by the protective cover 3 to ensure the safety and stable operation of the circuit board. The display screen 5 is located at the upper end of the protective cover 3. The online detection data can be clearly displayed through the display screen 5, so that the operator can monitor the detection status and results of the torque wrench in real time.

[0029] At the upper end of the device, multiple brackets 6 are installed. These brackets 6 are designed in an inverted "T" shape and are fixed to the mounting plate 1 by bolts to ensure the stability of the brackets 6. A bearing device 7 is installed on the bracket 6. The function of the bearing device 7 is to reduce the friction of the rotating shaft 9 during the rotation process and improve the accuracy and efficiency of the detection. A rotating shaft 9 is mounted on the multiple bearing devices 7. One end of the rotating shaft 9 is connected to a servo motor 8. The servo motor 8 serves as a power source and is responsible for driving the rotating shaft 9 and the detection table 10 to rotate. The other end of the rotating shaft 9 is connected to the detection table 10 through a connector 11 and a docking joint 12. The end face of the detection table 10 is provided with a detection port 13 for online detection of the torque wrench. Through this detection port 13, the online detection operation of the torque wrench can be realized.

[0030] To ensure the stability and safety of the device, support legs 2 are installed at the four corners of the lower end of mounting plate 1. The cross-section of support legs 2 is U-shaped, which not only increases their strength but also connects to mounting plate 1 via non-slip pads, further enhancing the stability of the device. Mounting holes are provided at the lower ends of support legs 2 to facilitate secure installation.

[0031] The sidewalls of the protective cover 3 are designed as through-slots, which facilitate heat dissipation from the printed circuit board 4 and ensure its stability and reliability during extended operation. The protective cover 3 is secured to the display screen 5 with bolts, ensuring a secure installation. A circular hole is provided at the lower end of the protective cover 3 for inserting bolts that secure the protective cover 3 to the mounting plate 1, further strengthening the connection between the two.

[0032] Bracket 6 has an inverted "T" cross-section, which is not only aesthetically pleasing but also effectively distributes the load borne by bracket 6, improving its stability and load-bearing capacity. Bracket 6 is bolted to mounting plate 1, ensuring a secure installation. Bracket 6 is also bolted to bearing assembly 7, ensuring its stability and precision.

[0033] The rotating shaft 9 passes through the bearing assembly 7 and is inserted into the opening of the docking joint 12. Bolts are used to secure the docking joint 12 to the rotating shaft 9, ensuring a secure and reliable connection between the rotating shaft 9 and the docking joint 12. The square head of the docking joint 12 is inserted into the connector 11 and secured with bolts. The connector 11 and the test platform 10 are integrated into one design. This integrated design not only simplifies the structure but also improves the stability and reliability of the test platform 10.

[0034] The output end of the servo motor 8 is fixed to the rotating shaft 9 by bolts to ensure that the power of the servo motor 8 can be effectively transmitted to the rotating shaft 9. The servo motor 8 is fixed to the mounting plate 1 by an L-shaped frame and bolts. This fixing method is not only stable, but also convenient for the installation and maintenance of the servo motor 8.

[0035] In general, this portable torque wrench online detection device achieves efficient and accurate detection of torque wrenches through its carefully designed structure and components, providing strong technical support for industrial production.

[0036] The usage process is as follows: Place the portable torque wrench online detection device on an appropriate workbench. Use bolts to fix the support feet 2 to the four corners of the lower end of the mounting plate 1 to ensure the stability of the device. Fix the servo motor 8 to the mounting plate 1 through the L-shaped frame and bolts, and ensure that it is firmly installed. Pass the rotating shaft 9 through the bearing device 7, and fix the rotating shaft 9 to the docking joint 12 with bolts to ensure a firm and reliable connection. Integrate the connector 11 with the test bench 10 and fix them with bolts to ensure the stability and reliability of the test bench 10. Fix the protective cover 3 to the mounting plate 1 with bolts to ensure the connection strength between the protective cover 3 and the mounting plate 1. Fix the bearing device 7 to the bracket 6 with bolts to ensure the stability and accuracy of the bearing device 7. Fix the output end of the servo motor 8 to the rotating shaft 9 with bolts to ensure power transmission. Turn on the power of the device and monitor the detection status and results of the torque wrench through the display 5.

[0037] Insert the torque wrench to be tested into the test port 13 of the test stand 10 for online testing. Observe the data on the display 5 to ensure that the torque wrench's performance meets the requirements. After the test is completed, turn off the power supply of the device and remove the torque wrench to complete the test process.

[0038] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. However, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, the phrase "comprises a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the elements.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A portable torque wrench online detection device, comprising a mounting plate (1), a protective cover (3), a printed circuit board (4) and a display screen (5), wherein the protective cover (3) is mounted on the mounting plate (1), and the printed circuit board (4) is mounted on the mounting plate (1), and the printed circuit board (4) is covered by the protective cover (3), and the display screen (5) is located at the upper end of the protective cover (3), and online detection data is displayed through the display screen (5), characterized in that: A plurality of brackets (6) are mounted on the upper end of the mounting plate (1), and a bearing device (7) is mounted on the bracket (6). A rotating shaft (9) is mounted on the plurality of bearing devices (7). One end of the rotating shaft (9) is connected to a servo motor (8), and the other end of the rotating shaft (9) is connected to a detection table (10) via a connector (11) and a docking connector (12). The servo motor (8) drives the rotating shaft (9) and the detection platform (10) to rotate. The end surface of the detection platform (10) is provided with a detection port (13) for online detection of the torque wrench, thereby realizing online detection operation of the torque wrench.

2. A portable torque wrench online detection device according to claim 1, characterized in that: Support legs (2) are provided at the four corners of the lower end of the mounting plate (1), and the cross section of the support legs (2) is designed to be "U"-shaped. Anti-slip pads are provided at the connection between the support legs (2) and the mounting plate (1), and mounting holes are provided at the lower ends of the support legs (2).

3. The portable online torque wrench detection device according to claim 2, characterized in that: The side wall of the protective cover (3) is a through slot, which accelerates the heat dissipation of the printed circuit board (4). The protective cover (3) and the display screen (5) are fixed by bolts. A circular hole is opened at the lower end of the protective cover (3), and the bolt is inserted into the circular hole to fix the protective cover (3) on the mounting plate (1).

4. The portable online torque wrench detection device according to claim 3, characterized in that: The cross section of the bracket (6) is designed to be in an inverted "T" shape. The bracket (6) is fixed to the mounting plate (1) by bolts, and the bracket (6) and the bearing device (7) are fixed by bolts.

5. The portable online torque wrench detection device according to claim 4, characterized in that: The rotating shaft (9) passes through the bearing device (7) and is inserted into the opening of the docking joint (12), and the docking joint (12) and the rotating shaft (9) are fixed by bolts. The square head of the docking joint (12) is inserted into the connecting head (11) and fixed by bolts. The connecting head (11) and the testing platform (10) are designed as an integral whole.

6. The portable online torque wrench detection device according to claim 5, characterized in that: The output end of the servo motor (8) is fixed to the rotating shaft (9) via bolts, and the servo motor (8) is fixed to the mounting plate (1) via an L-shaped frame and bolts.