A combined weight for a pull-off force test fixture

Abstract

The invention discloses a combined weight for a pull-out force test tool, comprising a weight body, a main suspension rod installed above the weight body, the bottom of the main suspension rod is fixedly connected to the upper surface of the weight body through a sub-suspension rod, and a threaded shaft is arranged on the top of the main suspension rod; a hole is opened at the center of the bottom of the weight body, and a plurality of sub-weights for changing the weight of the weight body can be detachably installed in the groove. The invention is suitable for a pull-out force test tool, and a first additional installation hole and a second additional installation hole are opened at the center of the bottom of the weight body in the device, wherein a first additional weight can be installed in the first additional hole, and a second additional weight can be installed in the second additional hole, so that the overall weight of the weight body can be changed, which is convenient for use.

Description

Technical Field

[0001] The invention belongs to the technical field of weights, in particular to a combined weight for a pull-out force test tool. Background Art

[0002] Weights are standard measuring tools for transferring mass values, but most existing weights adopt an integrated structure. Their single weight is determined and cannot be changed at the beginning of design. Therefore, they are not convenient to use, and existing weights are prone to shaking when in use, affecting the measurement results. Summary of the invention

[0003] The object of the present invention is to overcome the defects of the prior art and provide a combined weight for a pull-off force test fixture.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A combined weight for a pull-out force test tool comprises a weight body, a main suspension rod is installed above the weight body, the bottom of the main suspension rod is fixedly connected to the upper surface of the weight body through a sub-suspension rod, and a threaded shaft is arranged on the top of the main suspension rod;

[0006] A hole is provided at the center of the bottom of the weight body, and a plurality of sub-weights for changing the weight of the weight body are detachably installed in the groove.

[0007] Preferably, the hole comprises a first mounting hole and a second mounting hole, the first mounting hole is located above the inside of the weight body, and the second mounting hole is located below the inside of the weight body;

[0008] The sub-weights include a first additional weight and a second additional weight, wherein the first additional weight is attracted in the first additional hole, and the second additional weight is attracted in the second additional hole.

[0009] Preferably, the inner walls of the first and second mounting holes and the bottom surfaces of the first and second mounting weights are embedded with magnetic layers, and the top surfaces and side surfaces of the first and second mounting weights are embedded with metal layers, and the magnetic layers and the metal layers can attract each other.

[0010] Preferably, a pull-down groove is provided at the bottom center of the first additional weight and the second additional weight, and the pull-down groove is formed of two mutually semicircular structures.

[0011] Preferably, the device further comprises a suspension clamp, a threaded sleeve is installed at the bottom of the suspension clamp, and the threaded shaft can be screwed and installed in the threaded sleeve.

[0012] Preferably, the hook is also included, a threaded sleeve is installed at the bottom of the hook, and the threaded shaft can be screwed and installed in the threaded sleeve.

[0013] Preferably, there are three sub-hanging rods in total, and the three sub-hanging rods are distributed in a circular array.

[0014] The invention discloses a combined weight for a pull-off force test tool. A first mounting hole and a second mounting hole are provided at the center of the bottom of the weight body. The first mounting hole can be used to mount the first mounting weight, and the second mounting hole can be used to mount the second mounting weight. Thus, the overall weight of the weight body can be changed, which is convenient for use.

[0015] In the present invention, the inner walls of the first and second mounting holes and the bottom surfaces of the first and second mounting weights are embedded with magnetic layers, and the top and side surfaces of the first and second mounting weights are embedded with metal layers. Such a structural arrangement enables the first and second mounting weights to be installed in the first and second mounting holes by suction, which is convenient for installation. Moreover, such a built-in weight structure can make the stability of the weight combination higher, thereby ensuring the accuracy of the measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure of a combined weight for a pull-off force test tool of the present invention is shown in FIG. Figure 1 ;

[0017] Figure 2 The overall structure of a combined weight for a pull-off force test tool of the present invention is shown in FIG. Figure 2 ;

[0018] Figure 3 The present invention is a schematic diagram of the bottom structure of a first additional weight in a combined weight for a pull-off force test tool.

[0019] Figure numerals: 1. suspension clamp; 2. threaded sleeve; 3. threaded shaft; 4. sub-suspension rod; 5. first installation hole; 6. weight body; 7. magnetic layer; 8. second installation hole; 9. main suspension rod; 10. first installation weight; 11. metal layer; 12. second installation weight; 13. hook; 14. pull-down groove. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-3 , further illustrating a specific implementation of a combined weight for a pull-off force test tool of the present invention. The combined weight for a pull-off force test tool of the present invention is not limited to the description of the following embodiments.

[0021] Embodiment 1:

[0022] This embodiment provides a specific structure of a combined weight for a pull-off force test tool. Figure 1 and Figure 3 As shown, it includes a weight body 6, a main suspension rod 9 is installed above the weight body 6, the bottom of the main suspension rod 9 is fixedly connected to the upper surface of the weight body 6 through a sub-suspension rod 4, a total of three sub-suspension rods 4 are provided, and the three sub-suspension rods 4 are distributed in a circular array, and a threaded shaft 3 is provided on the top of the main suspension rod 9;

[0023] A hole is provided at the center of the bottom of the weight body 6 , and a plurality of sub-weights for changing the weight of the weight body 6 are detachably installed in the slot.

[0024] The holes include a first mounting hole 5 and a second mounting hole 8, wherein the first mounting hole 5 is located above the inside of the weight body 6, and the second mounting hole 8 is located below the inside of the weight body 6;

[0025] The sub-weights include a first additional weight 10 and a second additional weight 12 . The first additional weight 10 is attracted in the first additional hole 5 , and the second additional weight 12 is attracted in the second additional hole 8 .

[0026] The inner walls of the first and second mounting holes 5 and 8 and the bottom surfaces of the first and second mounting weights 10 and 12 are embedded with a magnetic layer 7, and the top and side surfaces of the first and second mounting weights 10 and 12 are embedded with a metal layer 11, and the magnetic layer 7 and the metal layer 11 can attract each other.

[0027] A pull-down groove 14 is provided at the bottom center of the first additional weight 10 and the second additional weight 12 . The pull-down groove 14 is formed of two mutually semicircular structures, which facilitates the taking and placing of the first additional weight 10 and the second additional weight 12 .

[0028] The utility model also comprises a suspension clamp 1 , a threaded sleeve 2 is installed at the bottom of the suspension clamp 1 , and a threaded shaft 3 can be screwed and installed in the threaded sleeve 2 .

[0029] Embodiment 2:

[0030] This embodiment provides a specific structure of a combined weight for a pull-off force test tool. Figure 2 and Figure 3 As shown, it includes a weight body 6, a main suspension rod 9 is installed above the weight body 6, the bottom of the main suspension rod 9 is fixedly connected to the upper surface of the weight body 6 through a sub-suspension rod 4, a total of three sub-suspension rods 4 are provided, and the three sub-suspension rods 4 are distributed in a circular array, and a threaded shaft 3 is provided on the top of the main suspension rod 9;

[0031] A hole is provided at the center of the bottom of the weight body 6 , and a plurality of sub-weights for changing the weight of the weight body 6 are detachably installed in the slot.

[0032] The holes include a first mounting hole 5 and a second mounting hole 8, wherein the first mounting hole 5 is located above the inside of the weight body 6, and the second mounting hole 8 is located below the inside of the weight body 6;

[0033] The sub-weights include a first additional weight 10 and a second additional weight 12 . The first additional weight 10 is attracted in the first additional hole 5 , and the second additional weight 12 is attracted in the second additional hole 8 .

[0034] The inner walls of the first and second mounting holes 5 and 8 and the bottom surfaces of the first and second mounting weights 10 and 12 are embedded with a magnetic layer 7, and the top and side surfaces of the first and second mounting weights 10 and 12 are embedded with a metal layer 11, and the magnetic layer 7 and the metal layer 11 can attract each other.

[0035] A pull-down groove 14 is provided at the bottom center of the first additional weight 10 and the second additional weight 12 , and the pull-down groove 14 is formed of two mutually semicircular structures.

[0036] It also includes a hook 13 , a threaded sleeve 2 is installed at the bottom of the hook 13 , and the threaded shaft 3 can be screwed and installed in the threaded sleeve 2 .

[0037] It can be seen from the combination of Example 1 and Example 2 that the weight body 6 of the present invention is provided with a first mounting hole 5 and a second mounting hole 8 at the center of the bottom, wherein the first mounting hole 5 can be installed with a first mounting weight 10, and the second mounting hole 8 can be installed with a second mounting weight 12, so that the overall weight of the weight body 6 can be changed, which is convenient for use;

[0038] The inner walls of the first mounting hole 5 and the second mounting hole 8 of the present invention and the bottom surfaces of the first mounting weight 10 and the second mounting weight 12 are all embedded with a magnetic attraction layer 7, and the top surfaces and side surfaces of the first mounting weight 10 and the second mounting weight 12 are all embedded with a metal layer 11. Such a structural arrangement enables the first mounting weight 10 and the second mounting weight 12 to be installed in the first mounting hole 5 and the second mounting hole 8 by suction, which is convenient for installation, and such a built-in weight structure can make the weight combination more stable;

[0039] In the device, the main suspension rod 9 and the suspension clip 1 or the hook 13 are installed by threaded connection. Such a structural setting allows the weight to be installed with the suspension clip 1 or the hook 13 according to actual needs when in use, making the weight more applicable;

[0040] In the device, the bottom of the main suspension rod 9 is fixedly connected to the upper surface of the weight body 6 through the sub-suspension rod 4. There are three sub-suspension rods 4 in total, and the three sub-suspension rods 4 are distributed in a circular array. This triangular structure setting makes the weight body 6 more stable.

[0041] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A combined weight for a pull-off force test tool, comprising a weight body (6), characterized in that: A main suspension rod (9) is installed above the weight body (6), the bottom of the main suspension rod (9) is fixedly connected to the upper surface of the weight body (6) via a sub-suspension rod (4), and a threaded shaft (3) is provided at the top of the main suspension rod (9); A hole is provided at the center of the bottom of the weight body (6), and a plurality of sub-weights for changing the weight of the weight body (6) are detachably mounted in the groove; The holes include a first mounting hole (5) and a second mounting hole (8), the first mounting hole (5) is located above the inside of the weight body (6), and the second mounting hole (8) is located below the inside of the weight body (6); The sub-weights include a first additional weight (10) and a second additional weight (12), wherein the first additional weight (10) is attracted to the first additional hole (5), and the second additional weight (12) is attracted to the second additional hole (8); The inner walls of the first mounting hole (5) and the second mounting hole (8) and the bottom surfaces of the first mounting weight (10) and the second mounting weight (12) are all embedded with a magnetic attraction layer (7); the top surfaces and side surfaces of the first mounting weight (10) and the second mounting weight (12) are all embedded with a metal layer (11); the magnetic attraction layer (7) and the metal layer (11) can attract each other; A pull-down groove (14) is provided at the bottom center of the first additional weight (10) and the second additional weight (12), and the pull-down groove (14) is in the form of two mutually semicircular structures; The combined weight for the pull-out force test fixture further comprises a suspension clamp (1), a threaded sleeve (2) being installed at the bottom of the suspension clamp (1), and the threaded shaft (3) being screwable and installed in the threaded sleeve (2).

2. A combined weight for a pull-off force test fixture as claimed in claim 1, characterized in that: It also comprises a hook (13), a threaded sleeve (2) being installed at the bottom of the hook (13), and the threaded shaft (3) being screwable and installed in the threaded sleeve (2).

3. A combined weight for a pull-off force test tool as claimed in claim 1 or 2, characterized in that: A total of three sub-hanging rods (4) are provided, and the three sub-hanging rods (4) are distributed in a circular array.

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