Wire clamp strength testing device

Abstract

The utility model discloses a wire clamp strength testing device which comprises a working platform, a testing machine body is installed on the working platform, a positioning mechanism and a stretching mechanism which are correspondingly arranged and are driven by a power mechanism to generate relative motion are arranged on the testing machine body, the positioning mechanism is connected with a supporting mechanism through a connecting frame, and the supporting mechanism is connected with a wire clamp. The supporting mechanism is provided with a wire clamp, and the wire clamp is connected to the stretching mechanism through a stretching frame. And by arranging the supporting mechanism and other structures, the wire clamp can be fastened and positioned, and the test quality and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire clamp detection, in particular to a wire clamp strength testing device. Background Art

[0002] Power fittings are metal accessories that connect and combine various devices in the power system and play a role in transmitting mechanical loads, electrical loads and certain protective functions; including suspension clamps, tension clamps, UT clamps, equipment clamps and other irregular-shaped clamps. Among them, the suspension clamp is used as an example to illustrate that the suspension clamp is an important metal component in the power system (such as Figure 5-6 ), it is a commonly used standardized product, used to fix the conductor on the insulator string of the straight pole tower, or to hang the lightning conductor on the straight pole tower, and can also be used to support the transposed conductor on the transposed pole tower and fix the jumper of the tension angle pole tower. Now the U-bolt style (usually called the boat-shaped wire clamp) is retained. It consists of a bracket U-bolt, a wire clamp hull made of forgeable cast iron, and a pressure plate. Whether the mechanical load of the suspension wire clamp meets the standard is related to the overall safe, stable and reliable operation of the power grid. Therefore, the mechanical load test is an important test to measure the mechanical performance indicators of the suspension wire clamp.

[0003] At present, the universal testing machine commonly used is the product of the combination of modern electronic technology and mechanical transmission technology. It is also called a universal material testing machine or a tensile machine. It is a large-scale precision testing instrument that fully utilizes the respective strengths of electromechanics and can perform multiple performance tests such as stretching, compression, bending, peeling, and shearing on various materials. It has the characteristics of wide measurement range, high accuracy, and fast response. However, when performing strength tests on wire clamps, due to the irregular structure of wire clamps under normal circumstances, they cannot be stably fixed on the universal testing machine, resulting in damage to the wire clamps during the test, making it impossible for the wire clamps to fully reflect their strength and affecting the test results. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a wire clamp strength test device, which can tighten and position the wire clamp and improve the test efficiency.

[0005] In order to solve the above technical problems, the utility model includes a working platform, on which a testing machine body is installed, and its structural feature is that the testing machine body is provided with a corresponding positioning mechanism and a stretching mechanism that are driven by a power mechanism to generate relative motion, the positioning mechanism is connected to a supporting mechanism through a connecting frame, a wire clamp is installed on the supporting mechanism, and the wire clamp is connected to the stretching mechanism through a stretching frame. After adopting the above structure, during the test, the wire clamp is installed on the supporting mechanism, and the wire clamp is also connected to the stretching mechanism through a stretching frame, and the supporting mechanism is connected to the positioning mechanism through a connecting frame. At this time, the power mechanism drives the positioning mechanism and the stretching mechanism to generate relative motion, and pulls the wire clamp to perform the test. By setting the supporting mechanism, the wire clamp is tightly positioned to avoid its displacement and affect the test quality; by setting the connecting frame and the stretching frame, the supporting mechanism and the positioning mechanism are connected, and the wire clamp and the stretching mechanism are connected. During the test, under the action of the connecting frame and the stretching frame, the wire clamp is ensured to be tested smoothly; the utility model can tightly position the wire clamp, and improve the test quality and efficiency.

[0006] Preferably, the support mechanism includes a support frame connected to the connecting frame, the support frame has an opening facing the stretching frame, a mounting frame is installed between the two side walls of the opening, the wire clamp is mounted on the mounting frame and the ends are connected by a tension piece, and the tension piece is connected to the stretching frame. The support mechanism with a detachable structure facilitates installation and ensures that the support frame can be replaced when it is damaged during the test, without replacing the entire support mechanism, reducing costs, and different mounting frames can be used to install the wire clamp according to the structural characteristics of the test wire clamp, thereby improving the versatility of the support mechanism.

[0007] Preferably, the wire clamp has a positioning groove, and the tension member is connected to two groove walls of the positioning groove; so as to ensure that the positioning between the wire clamp and the mounting frame is stable and avoid deviation during stretching.

[0008] Preferably, the mounting frame includes a mounting rod connected to the two side walls of the support frame opening, the mounting rod is covered with a positioning plate matching the positioning groove, and shock-absorbing blocks are provided between both ends of the positioning plate and the mounting rod; so as to play a buffering role during testing, reduce the impact of the positioning plate on the mounting rod, and extend the service life.

[0009] Preferably, the positioning mechanism includes a positioning seat installed on the testing machine body, and the positioning seat has positioning clamps arranged in pairs and capable of clamping or loosening the connecting frame; to ensure that the connecting frame is positioned during the test, and at the end of the test, the connection frame is loosened and its connection with the positioning clamp is readjusted to facilitate the next round of testing.

[0010] Preferably, the connecting frame includes a pulling plate arranged between two positioning clamps, and two corresponding connecting plates are connected to the ends of the pulling plate through a rotating rod, and the ends of the two connecting plates are connected to the support frame; so as to ensure the stability of the support frame during the test and avoid shaking of the support frame.

[0011] Preferably, the stretching mechanism includes a fixing seat screwed on the testing machine body, and the fixing seat is provided with fixing clamps arranged in pairs and capable of clamping or loosening the stretching frame; to ensure that the fixing seat is positioned during the test, and after the test is completed, the connection between the stretching frame and the fixing clamp is readjusted after the stretching frame is loosened, so as to facilitate the next round of testing.

[0012] Preferably, the stretching frame includes an N-shaped tension plate sleeved on the tension member and a fixed plate arranged between two fixed clamps, and fixing members are installed on the two side walls of the end of the tension plate, and a bending plate is sleeved on the fixing member, and the two sides of the end of the bending plate are connected to the fixed plate by fasteners; to ensure that during the test, when the wire clamp is twisted due to the torque generated by the test, rotation can be generated between the bending plate and the fixed plate, thereby weakening the torque and ensuring the test efficiency.

[0013] The utility model can fasten and position wire clamps with different structures, thereby improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings that constitute part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure between the support mechanism, the connecting frame and the stretching frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the support frame of the utility model;

[0018] Figure 4 for Figure 3 A schematic diagram of the structure in another direction;

[0019] Figure 5 This is a schematic diagram of the structure of the suspension wire clamp of the utility model;

[0020] Figure 6 for Figure 5 Schematic diagram of the structure in the other direction.

[0021] In the figure: 1-working platform, 2-testing machine body, 3-support mechanism, 301-support frame, 302-mounting frame, 3021-mounting rod, 3022-shock absorber block, 3023-positioning plate, 303-tension member, 4-wire clamp, 401-positioning groove, 5-positioning mechanism, 501-positioning clamp, 502-positioning seat, 6-stretching mechanism, 601-fixing clamp, 602-fixing seat, 7-connecting frame, 701-pulling plate, 702-connecting plate, 8-stretching frame, 801-tension plate, 802-fixing plate. DETAILED DESCRIPTION

[0022] In order to make the technical personnel in this field better understand the present application scheme, the following will be combined with the attached Figure 1-6 , a clear and complete description of the technical solutions in the embodiments of the utility model is given.

[0023] At present, when conducting strength tests on wire clamps, the wire clamps cannot be stably fixed on the universal testing machine due to their irregular structures under normal circumstances, which leads to damage to the wire clamps during the test, making it impossible for the wire clamps to fully demonstrate their strength and affecting the test results. In order to solve the above problems, a wire clamp strength test device is provided, including a working platform, on which a testing machine body is installed, and the testing machine body is provided with corresponding positioning mechanisms and stretching mechanisms that are driven by a power mechanism to produce relative motion, the positioning mechanism is connected to a supporting mechanism via a connecting frame, the supporting mechanism is installed with a wire clamp, and the wire clamp is connected to the stretching mechanism via a stretching frame. After adopting the above structure, during the test, the wire clamp is installed on the supporting mechanism, and the wire clamp is also connected to the stretching mechanism via the stretching frame, and the supporting mechanism is connected to the positioning mechanism via the connecting frame. At this time, the power mechanism drives the positioning mechanism and the stretching mechanism to produce relative motion, and pulls the wire clamp for testing. By setting a supporting mechanism, the wire clamp is tightly positioned to avoid displacement and influence on the test quality; by setting a connecting frame and a stretching frame, the supporting mechanism and the positioning mechanism are connected, and the wire clamp and the stretching mechanism are connected. During the test, under the action of the connecting frame and the stretching frame, it is ensured that the wire clamp is tested smoothly; the utility model can tightly position the wire clamp, thereby improving the test quality and efficiency.

[0024] An embodiment is now used to describe the above scheme in detail. For the convenience of description, Figure 1 The up and down direction is set to the vertical direction.

[0025] A wire clamp strength test device includes a working platform 1, on which a testing machine body 2 is installed, on which a positioning mechanism 5 and a stretching mechanism 6 are provided which are correspondingly arranged and driven by a power mechanism to generate relative motion, and the positioning mechanism 5 is connected to a supporting mechanism 3 via a connecting frame 7, on which a wire clamp 4 is installed, and the wire clamp 4 is connected to the stretching mechanism 6 via a stretching frame 8. The supporting mechanism 3 includes a supporting frame 301 connected to the connecting frame 7, the supporting frame 301 has an opening facing the stretching frame 8, and a mounting frame 302 is installed between two side walls of the opening; that is, the supporting frame 301 is set as a U-shaped structure, and mounting holes are opened on two side walls of the opening, and two ends of the mounting frame 302 are respectively penetrated in the mounting holes; the wire clamp 4 is clamped on the mounting frame 302 and the ends are connected via a tension member 303, and the tension member 303 is connected to the stretching frame 8. Furthermore, the wire clamp 4 has a positioning groove 401, the tension member 303 is connected to the two groove walls of the positioning groove 401, and the mounting frame 302 has a plane matching the positioning groove 401; to ensure that the positioning between the wire clamp 4 and the mounting frame 302 is stable and avoid displacement during stretching. Among them, the mounting frame 302 includes a mounting rod 3021 connected to the two side frames at the opening of the support frame 301. There are various connection methods that can be used. For example, a first mounting hole is opened on the two side frames of the support frame 301, and the two ends of the mounting rod 3021 pass through the two first mounting holes respectively, and then the ends are fastened with pins or bolts. It is also possible to start the third mounting hole at the bottom of the two side frames of the support frame 301, and radially open the fourth mounting holes corresponding to the mounting holes at both ends of the mounting rod 3021, and then fasten them by passing the third mounting hole and the fourth mounting hole with pins or bolts. The mounting rod 3021 is also covered with a positioning plate 3023 matching the positioning groove 401. The positioning plate 3023 is located between the two side frames of the support frame 301. Shock-absorbing blocks 3022 are arranged between the two ends of the positioning plate 3023 and the mounting rod 3021. The shock-absorbing blocks 3022 can be made of rubber or springs; so as to play a buffering role during the test, reduce the impact of the positioning plate 3023 on the mounting rod 3021, and play a buffering role. The support mechanism 3 with the above-mentioned detachable structure facilitates installation and ensures that when the support frame 301 or the mounting frame 302 is damaged during the test, they can be replaced separately without replacing the entire support mechanism 3, thereby reducing costs. At the same time, according to the structural characteristics of the test wire clamp 4, mounting frames 302 with different structures can be used to adapt to wire clamps 4 with different structures, thereby improving the versatility of the support mechanism 3.

[0026] The positioning mechanism 5 includes a positioning seat 502 installed on the column of the testing machine body 2, and the positioning seat 502 has positioning clamps 501 arranged in pairs and capable of clamping or loosening the connecting frame 7; wherein the two positioning clamps 501 are driven by corresponding driving mechanisms to move relative to each other, and the driving mechanism can be a cylinder. The setting of this structure ensures that the connecting frame 7 can be clamped during the test, and after the test is completed, the connection between the connecting frame 7 and the positioning clamp 501 is readjusted after the connecting frame 7 is loosened, so as to facilitate the next round of tests. The connecting frame 7 includes a pulling plate 701 arranged between the two positioning clamps 501, and two corresponding connecting plates 702 are connected to the ends of the pulling plate 701 through a rotating rod on both sides, and the ends of the two connecting plates 702 are connected to the support frame 301; the stability of the support frame 301 during the test is ensured to prevent the support frame 301 from shaking.

[0027] The stretching mechanism 6 comprises a fixed seat 602 screwed on the screw of the testing machine body 2, and the fixed seat 602 has a pair of fixed clamps 601 that can clamp or loosen the stretching frame 8; wherein the two fixed clamps 601 are driven by corresponding driving mechanisms to move relative to each other, and the driving mechanism can be a cylinder, etc., to ensure that the stretching frame 8 is positioned during the test, and after the test is completed, the connection between the stretching frame 8 and the fixed clamp 601 is readjusted after the stretching frame 8 is loosened, so as to facilitate the next round of test. The stretching frame 8 comprises an n-shaped tension plate 801 sleeved on the tension member 303 and a fixed plate 802 arranged between the two fixed clamps 601, and the two side walls of the end of the tension plate 801 are penetrated with fixing parts, and the fixing parts are sleeved with bending plates, and the two sides of the end of the bending plate are connected to the fixing plate by fasteners; to ensure that when the test generates torque and the wire clamp 4 is twisted, the bending plate and the fixing plate can rotate to weaken the torque and ensure the test efficiency.

[0028] During the test, the wire clamp 4 is first sleeved on the positioning plate 3023 of the mounting rod 3021 of the supporting mechanism 3, and the lower end of the wire clamp 4 is connected with the tension piece 303 to prevent the wire clamp 4 from slipping; then, the supporting frame 301 of the supporting mechanism 3 is connected to the connecting plate 702 of the connecting frame 7 by fasteners such as pins, the positioning clamp 501 of the positioning mechanism 5 clamps the pulling plate 701 of the connecting frame 7, and the tension plate 801 of the stretching frame 8 is hung on the tension piece 303; finally, the power mechanism drives the positioning mechanism 5 and the stretching mechanism 6 to produce relative movement, pulling the supporting frame 301 and the mounting frame 302 for testing. The utility model provides a support mechanism 3 to fix the wire clamp 4 in position, so as to avoid the influence of deviation caused by poor positioning on the test quality; the support mechanism 3 is connected to the positioning mechanism 5, and the wire clamp 4 is connected to the stretching mechanism 6 by providing a connecting frame 7 and a stretching frame 8, and under the action of the connecting frame 7 and the stretching frame 8, it is ensured that the strength test of the wire clamp 4 is carried out smoothly during the test; the support mechanism 3 with a detachable structure is adopted, so that the installation is convenient, and it is ensured that during the test, if the support frame 301 or the mounting frame 302 is damaged, it can be replaced in time, without replacing the entire support frame The supporting mechanism 3 is provided with a plurality of support mechanisms, which reduces the cost, and can adopt a mounting frame 302 of different structures to mount the wire clamp 4 according to the structural characteristics of the test wire clamp 4, thereby improving the versatility of the supporting mechanism 3; by matching the positioning groove 401 of the wire clamp 4 with the plane on the mounting frame 302, the positioning between the wire clamp 4 and the mounting frame 302 is ensured to be stable, and the displacement during stretching is avoided; by arranging a shock absorbing block 3022 on the mounting frame 302, it is convenient to press the positioning groove 401 of the wire clamp 4 against the positioning plate 3023 of the mounting frame 302 during the test, and the positioning plate 3023 and the mounting frame 302 are located at the position of the positioning plate 3023 and the mounting frame 302. The shock-absorbing block 3022 between the mounting rods 3021 plays a buffering role, reducing the impact and damage of the positioning plate 3023 on the mounting rods 3021, and extending the service life; by installing the positioning clamp 501 on the positioning seat 502 and being able to clamp or loosen the connecting frame 7, it is ensured that the connecting frame 7 is positioned during the test, and after the test is completed, the connection between the connecting frame 7 and the positioning clamp 501 is readjusted after the connecting frame 7 is loosened, so as to facilitate the next round of tests; by connecting the ends of the mounting rods 3021 to the two side frames of the open end of the support frame 301, it is ensured that the support frame is in the test. The support frame 301 is stable to prevent the support frame 301 from shaking; the fixing clamps 601 that are arranged in pairs and can clamp or loosen the stretching frame 8 are arranged on the fixing seat 602 to ensure that the stretching frame 8 is positioned during the test, and after the test is completed, the connection between the stretching frame 8 and the fixing clamp 601 is readjusted after the stretching frame 8 is loosened to facilitate the next round of tests; the n-shaped tension plate 801 and the bending plate are arranged to ensure that when the wire clamp 4 is twisted due to the torque generated by the test, the bending plate and the fixing plate can rotate to weaken the torque and ensure the test efficiency. The utility model can tightly fix the wire clamp 4 in position, improving the test quality and efficiency.

[0029] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A wire clamp strength test device, comprising a working platform (1), on which a testing machine body (2) is mounted, characterized in that: The testing machine body (2) is provided with a positioning mechanism (5) and a stretching mechanism (6) which are correspondingly arranged and driven by a power mechanism to generate relative motion; the positioning mechanism (5) is connected to a support mechanism (3) via a connecting frame (7); a wire clamp (4) is installed on the support mechanism (3); and the wire clamp (4) is connected to the stretching mechanism (6) via a stretching frame (8).

2. The wire clamp strength test device according to claim 1, characterized in that: The support mechanism (3) comprises a support frame (301) connected to a connecting frame (7); the support frame (301) has an opening facing the stretching frame (8); a mounting frame (302) is installed between two side walls of the opening; the wire clamp (4) is mounted on the mounting frame (302) and the ends thereof are connected via a tension piece (303); and the tension piece (303) is connected to the stretching frame (8).

3. The wire clamp strength test device according to claim 2, characterized in that: The wire clamp (4) is provided with a positioning groove (401), and the tension member (303) is connected to two groove walls of the positioning groove (401).

4. The wire clamp strength test device according to claim 3, characterized in that: The mounting frame (302) comprises a mounting rod (3021) connected to two side walls of an opening of the support frame (301); the mounting rod (3021) is covered with a positioning plate (3023) matching the positioning groove (401); and shock absorbing blocks (3022) are provided between both ends of the positioning plate (3023) and the mounting rod (3021).

5. The wire clamp strength test device according to claim 2, characterized in that: The positioning mechanism (5) comprises a positioning seat (502) mounted on the testing machine body (2), and the positioning seat (502) has positioning clamps (501) arranged in pairs and capable of clamping or loosening the connecting frame (7).

6. The wire clamp strength test device according to claim 5, characterized in that: The connecting frame (7) comprises a pulling plate (701) arranged between two positioning clamps (501), and two ends of the pulling plate (701) are connected to two corresponding connecting plates (702) via rotating rods, and the ends of the two connecting plates (702) are both connected to the supporting frame (301).

7. The wire clamp strength test device according to claim 2, characterized in that: The stretching mechanism (6) comprises a fixing seat (602) screwed onto the testing machine body (2), and the fixing seat (602) has fixing clamps (601) arranged in pairs and capable of clamping or loosening the stretching frame (8).

8. The wire clamp strength test device according to claim 7, characterized in that: The stretching frame (8) comprises an N-shaped tension plate (801) sleeved on the tension piece (303) and a fixing plate (802) arranged between two fixing clamps (601), fixing pieces are installed on both side walls of the end of the tension plate (801), a bending plate is sleeved on the fixing piece, and both sides of the end of the bending plate are connected to the fixing plate (802) via fasteners.

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