Portable torque wrench field indicating value comparison device
By designing a portable torque wrench on-site value comparison device, the problems of large size and heavy weight of existing torque wrench calibration equipment have been solved, realizing portability and efficient use for on-site comparison.
Patent Information
- Application Number
- CN202520511710.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing torque wrench calibration equipment is bulky and heavy, making it inconvenient to carry to the site for value comparison, resulting in long inspection cycles and affecting efficiency.
A portable torque wrench on-site value comparison device was designed, including a mounting base and a standard digital torque meter. A miniaturized main column and connector are connected through a support component, which facilitates comparison on the work site.
This technology enables the torque wrench to be portable, shortens the inspection cycle, and improves equipment utilization and work efficiency.
Smart Images

Figure CN223808033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of checking devices of tool, in particular to a kind of portable torque wrench field indication comparison device. BACKGROUND
[0002] Torque wrench is widely used in many fields assembly link, to ensure that the fastening force of fastener is kept in the range specified by national standard, the accuracy of torque wrench itself used for assembling fastener is very important. Therefore, torque wrench needs to be checked regularly to ensure that equipment installation is qualified, improve work efficiency, meet regulatory and standard requirements and promote quality control. At present, the equipment used for calibrating torque wrench has large size and heavy weight, even the small one has two or three ten kilograms, and the large one is more than fifty kilograms, which is not convenient to carry to the scene for indication comparison. The common practice in the industry is to send the torque wrench to be detected to a fixed place for detection. Many use units are far away from the fixed detection place, and some use units and fixed calibration place are not in the same city, which needs to be delivered by express, which brings many inconveniences to detection. SUMMARY
[0003] The utility model aims at the defects of the prior art, and provides a kind of portable torque wrench field indication comparison device, which is small in size, light in weight and easy to carry to the work site for indication comparison, shortens the detection period of torque wrench and improves the utilization rate of equipment.
[0004] The utility model discloses a kind of technical schemes for achieving the above-mentioned purposes: portable torque wrench field indication comparison device, including installation seat body and standard digital display torque table, installation seat body includes main column and support component, support component is connected around main column, the surface of main column is connected with the outwardly extending outer square torque digital display table connector on top end side, outer square torque digital display table connector can be butt-jointed with the square butt joint hole recessed in one end of standard digital display torque table, the surface of main column is connected with the outwardly extending inner square connector seat on top end other side, inner square connector seat is recessed to form inner square torque digital display table interface in middle part of outer side end face, and inner square torque digital display table interface can be butt-jointed with the square butt joint column protruding in one end of standard digital display torque table.
[0005] The further technical scheme of the utility model is: the support component includes horizontal long support rod, horizontal short support rod, longitudinal rear support rod and longitudinal front support rod, horizontal long support rod and horizontal short support rod are respectively connected in the left and right ends of the bottom of main column by support connector, longitudinal rear support rod and longitudinal front support rod are respectively connected in the front and rear ends of the bottom of main column by support connector.
[0006] The further technical scheme of the utility model discloses: the square column body of the main column is rectangular in horizontal section, the support joint is connected on the four surfaces of the bottom end of the main column through welding, the butt joint hole recessed inward is equipped with the outside end face of the support joint, the transverse long support rod, transverse short support rod, longitudinal rear support rod and longitudinal front support rod are connected with the butt joint hole of the support joint respectively.
[0007] The portable torque wrench field indication value comparison device has the following beneficial effects: the main column of the mounting seat body is a hollow square column, the support assembly is four support rods connected around the bottom end of the main column, the overall volume is small, the weight is light, and the portable torque wrench field indication value comparison device is convenient to carry to the work site for indication value comparison.
[0008] The utility model discloses portable torque wrench field indication value comparison device makes further explanation below combining with the drawing and embodiment. DRAWINGS
[0009] Figure 1 It is the front view of the mounting seat body of the utility model discloses portable torque wrench field indication value comparison device.
[0010] Figure 2 It is Figure 1 The top view of the mounting seat body shown in the figure.
[0011] Figure 3 It is Figure 1 The left view of the mounting seat body shown in the figure.
[0012] Figure 4 It is Figure 1 The perspective view of the mounting seat body shown in the figure.
[0013] Figure 5 It is the structure diagram of the standard digital display torque meter of the utility model discloses portable torque wrench field indication value comparison device.
[0014] Explanation of drawing reference numeral: 1 - transverse long support rod, 2 - outer square torque digital display meter joint, 3 - main column, 4 - inner square joint seat, 5 - inner square torque digital display meter interface, 6 - transverse short support rod, 7 - longitudinal rear support rod, 8 - support joint, 9 - longitudinal front support rod, 10 - standard digital display torque meter, 11 - square butt joint hole, 12 - square butt joint column. CONCRETE IMPLEMENTATION
[0015] As Figures 1 to 5 The utility model discloses portable torque wrench field indication value comparison device, for torque wrench indication value field comparison. The utility model discloses including mounting seat body and standard digital display torque meter 10, and the mounting seat body includes main column 3 and support assembly.
[0016] As Figures 1 to 4 shown, the support assembly is connected around the main column 3, which is a square column with a rectangular horizontal cross section. The support assembly includes a transverse long support rod 1, a transverse short support rod 6, a longitudinal rear support rod 7, and a longitudinal front support rod 9. The transverse long support rod 1 and the transverse short support rod 6 are respectively connected to the left and right ends of the bottom of the main column 3 through support joints 8. The longitudinal rear support rod 7 and the longitudinal front support rod 9 are respectively connected to the front and rear ends of the bottom of the main column 3 through support joints 8. The support joints 8 are connected to the four surfaces at the bottom end of the main column 3 by welding. The outer side end surface of the support joint 8 is provided with a recessed butt joint hole. The transverse long support rod 1, the transverse short support rod 6, the longitudinal rear support rod 7, and the longitudinal front support rod 9 are respectively connected to the butt joint hole of the support joint 8. The butt joint hole is an internal thread hole, and the connection end of the transverse long support rod 1, the transverse short support rod 6, the longitudinal rear support rod 7, and the longitudinal front support rod 9 is provided with an external thread structure. After the support assembly is connected to the main column 3, the main column 3 can be stably positioned on a flat ground or platform.
[0017] As Figure 1 , Figure 2 , Figure 4 shown, the main column 3 is connected to the top end of the side surface of the main column 3. The outer square torque digital display table joint 2 extends vertically outward. In this embodiment, the outer square torque digital display table joint 2 is arranged on the left side surface of the main column 3. The outer square torque digital display table joint 2 can be butt-jointed with the recessed square butt joint hole 11 at one end of the standard digital torque table 10. The other side surface of the top end of the main column 3 is connected to the inner square joint seat 4 extending vertically outward. The outer side end surface of the inner square joint seat 4 is recessed inward in the middle to form an inner square torque digital display table interface 5. The inner square torque digital display table interface 5 can be butt-jointed with the protruding square butt joint column 12 at one end of the standard digital torque table 10. In this embodiment, the inner square joint seat 4 is arranged on the front side surface of the main column 3. The standard digital torque table 10 is an existing device and can be directly purchased. One end of the standard digital torque table 10 is provided with a protruding square butt joint column 12. The outer contour of the square butt joint column 12 is the same as the inner contour of the inner square torque digital display table interface 5. The other end surface of the standard digital torque table 10 is recessed inward to form a square butt joint hole 11. The inner contour of the square butt joint hole 11 is the same as the outer contour of the outer square torque digital display table joint 2.
[0018] In operation, first, the transverse long support rod 1, the transverse short support rod 6, the longitudinal rear support rod 7 and the longitudinal front support rod 9 are respectively connected and fastened with the butt joint hole of the corresponding support joint 8 at the bottom end of the main column 3. After the cross support assembly is placed on a flat ground, according to the head structure of the measured torque wrench, a standard digital torque table 10 is selected and matched with the butt joint hole and is sleeved on the head of the measured torque wrench, and the other joint is connected with the corresponding joint or interface of the stand. When the head of the measured torque wrench is a protruding square column, the square butt joint hole 11 of the standard digital torque table 10 is connected with the outer square torque digital table joint 2 on the left side of the main column 3, the standard digital torque table 10 is positioned on the main column 3, the head of the measured torque wrench is butt jointed with the square butt joint hole 11 at one end of the standard digital torque table 10, then the torque wrench is rotated, the force value is read from the standard digital torque table 10, and the difference between the indication value of the measured torque wrench and the indication value of the standard digital torque table 10 is the error of the point. When the head of the measured torque wrench is a recessed square butt joint hole 11, the square butt joint column 12 of the standard digital torque table 10 is connected with the inner square torque digital table interface 5 at the front end of the main column 3, the standard digital torque table 10 is positioned on the main column 3, the head of the measured torque wrench is butt jointed with the square butt joint column 12 at one end of the standard digital torque table 10, then the torque wrench is rotated, the force value is read from the standard digital torque table 10, and the difference between the indication value of the measured torque wrench and the indication value of the standard digital torque table 10 is the error of the point.
[0019] The above embodiments are only preferred embodiments of the present application, and the structure of the present application is not limited to the forms listed in the above embodiments. Any modification, equivalent replacement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A portable torque wrench field indication comparison device, characterized in that, The application relates to a standard digital display torque meter (10) comprising a mounting base and a standard digital display torque meter (10), wherein the mounting base comprises a main column (3) and a support assembly connected around the main column (3), the main column (3) is connected with a square torque digital display connector (2) extending outward perpendicularly at the top end of one side surface, the square torque digital display connector (2) can be connected with a square butt joint hole (11) at one end of the standard digital display torque meter (10), the main column (3) is connected with an inner square connector seat (4) extending outward perpendicularly at the top end of the other side surface, the inner square connector seat (4) is recessed inward in the middle of the outer side end surface to form an inner square torque digital display connector (5), and the inner square torque digital display connector (5) can be connected with a square butt joint column (12) protruding at one end of the standard digital display torque meter (10).
2. The portable torque wrench field indication comparison device of claim 1, wherein, The support assembly comprises a horizontal long support rod (1), a horizontal short support rod (6), a longitudinal rear support rod (7) and a longitudinal front support rod (9), the horizontal long support rod (1) and the horizontal short support rod (6) are connected with the left and right ends of the bottom of the main column (3) through support connectors (8) respectively, and the longitudinal rear support rod (7) and the longitudinal front support rod (9) are connected with the front and rear ends of the bottom of the main column (3) through support connectors (8) respectively.
3. The portable torque wrench field indication comparison device of claim 2, wherein, The main column (3) is a square column with a horizontal rectangular section, the support connectors (8) are connected with the four surfaces at the bottom end of the main column (3) through welding, the outer side end surface of the support connector (8) is provided with a butt joint hole recessed inward, and the horizontal long support rod (1), the horizontal short support rod (6), the longitudinal rear support rod (7) and the longitudinal front support rod (9) are connected with the butt joint holes of the support connectors (8) respectively.