Extrusion test tool for cable protection sleeve

Abstract

The utility model discloses a cable protection sleeve extrusion test tool, which comprises a test board and a moving assembly, the top surface of the test board is fixedly provided with a bearing plate, the side surface of the bearing plate is fixedly provided with an electric cylinder, the telescopic end of the electric cylinder is provided with an extrusion block, and a clamp is arranged above the test board. According to the utility model, the plurality of extrusion test stations are arranged, so that extrusion tests can be carried out on a plurality of cable protection sleeves at the same time, the extrusion test efficiency of the cable protection sleeves is improved, the contingency of test results is reduced, and the extrusion test results of the cable protection sleeves are more accurate. According to the cable protection sleeve extrusion test tool, the moving assembly is arranged, so that the whole cable protection sleeve extrusion test tool can be conveniently moved, after the cable protection sleeve extrusion test tool is moved to a proper position, the plurality of moving wheels are separated from the ground and stored in the supporting frame, and the supporting frame is in contact with the ground, so that the moving wheels are prevented from rolling; the stability of the whole cable protection sleeve extrusion test tool in the using process can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating sleeve extrusion testing, in particular to a cable protection sleeve extrusion testing tool. Background Art

[0002] Cable protection sleeve is a new type of sleeve material promoted and used in power engineering. With the rapid development of underground laying of power cables, higher requirements are put forward for cable sleeves. Cable protection sleeve is made of polyethylene PE and high-quality steel pipe after sandblasting and shot blasting pre-treatment, dipping or painting, and heating and curing process. It is the most commonly used electrical insulating tube for protecting wires and cables. It has the characteristics of good insulation performance, high chemical stability, no rust, no aging, and adaptability to harsh environments. Existing cable protection sleeves need to use extrusion test tooling to perform extrusion test on cable protection sleeves during the production process.

[0003] The existing technology has the following problems:

[0004] After extensive searching, it was found that Chinese Patent Publication No.: CN209727626U discloses a rubber pressure testing device that is easy to operate, including a base, a first vertical plate and a second vertical plate are fixedly installed on both sides of the top of the base, the first vertical plate is located on one side of the second vertical plate, and the first vertical plate and the second vertical plate are respectively provided with a first groove and a second groove on the side close to each other, the top inner wall and the bottom inner wall of the first groove are rotatably connected with the same first screw rod, and the top inner wall of the second groove is provided with a first through hole. The utility model has a simple structure, a driving motor can make the pressure plate extrude the rubber product, the pressure sensor can detect the pressure of the pressure of the rubber product extruded by the pressure plate, and the pressure sensor instrument can display the pressure value, so that the rubber product can be quickly pressure-tested, which improves the production efficiency, and the pressure value can be intuitively seen through the pressure sensor instrument, so as to accurately determine whether the rubber product is qualified, and the operation is convenient.

[0005] However, the above patent still has some problems that need to be improved in actual use. The most obvious one is that a single test result has a certain degree of randomness, which affects the accuracy of the test result.

[0006] To this end, we proposed a cable protective sleeve extrusion test tool to solve the above-mentioned drawbacks. Utility Model Content

[0007] The utility model aims to solve the shortcomings in the prior art and provides a cable protection sleeve extrusion test tool.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cable protection sleeve extrusion test tool, including a test bench and a moving component, a load-bearing plate is fixedly installed on the top surface of the test bench, and an electric cylinder is fixedly installed on the side of the load-bearing plate, and an extrusion block is installed on the telescopic end of the electric cylinder, a clamp is arranged above the test bench, and a pressure sensor is installed on one side surface of the clamp, a slide groove is opened on the top surface of the test bench, and a slider is slidably connected in the slide groove, and the top surface of the slider is connected to the bottom surface of the clamp, and a reset spring is installed between the slider and the inner wall of the slide groove.

[0009] Preferably, the moving assembly consists of a support frame, a reduction motor, a forward and reverse threaded screw, a screw sleeve, a limit rod, a limit block, a first hinge, a movable frame, a moving wheel, a second hinge and a connecting rod. The support frame is welded to the bottom surface of the test bench, and the reduction motor is fixedly installed on the outer wall of the support frame. The output end of the reduction motor extends into the support frame and is rotatably connected to the forward and reverse threaded screws, and the surface of the forward and reverse threaded screws is matched with a screw sleeve. The limit rod is welded to the inner wall of the support frame, and the surface of the limit rod is slidably connected to the limit block, and the limit block is fixedly connected to the screw sleeve. The movable frame is hinged to the lower part of the inner wall of the support frame through the first hinge, and the moving wheel is installed on the movable frame. The surface of the screw sleeve and the surface of the movable frame are both fixedly installed with a second hinge, and a connecting rod is hinged between the two second hinges.

[0010] Preferably, a control panel is fixedly mounted on the outer wall of the test bench, and the control panel is electrically connected to the electric cylinder and the reduction motor through wires.

[0011] Preferably, the moving components are provided in two groups symmetrically about the horizontal center line of the test bench.

[0012] Preferably, the fixtures are provided in multiple groups, and the multiple groups of fixtures are equidistantly distributed on the top surface of the test bench.

[0013] Preferably, the total length of the return spring is greater than the length of the slide slot.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, by setting a plurality of extrusion test stations, a plurality of cable protection sleeves can be extruded and tested at the same time, thereby improving the extrusion test efficiency of the cable protection sleeves, reducing the randomness of the test results, and making the extrusion test results of the cable protection sleeves more accurate.

[0016] 2. In the utility model, a moving component is provided to facilitate the movement of the entire cable protection sleeve extrusion test tooling. After moving to a suitable position, a plurality of moving wheels are separated from the ground and stored in a support frame. At this time, the support frame is in contact with the ground to prevent the moving wheels from rolling. This can improve the stability of the entire cable protection sleeve extrusion test tooling during use, and is less likely to have shaking problems. The utility model is highly practical and worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the cable protection sleeve extrusion test tooling proposed by the utility model;

[0019] Figure 2 It is a structural schematic diagram of the mobile component;

[0020] Figure 3 Top view of the test bench, load plate, electric cylinder, extrusion block and fixture.

[0021] Legend:

[0022] 1. Test bench; 2. Moving assembly; 201. Support frame; 202. Reducer motor; 203. Forward and reverse screws; 204. Screw sleeve; 205. Limit rod; 206. Limit block; 207. First hinge; 208. Movable frame; 209. Moving wheel; 210. Second hinge; 211. Connecting rod; 3. Control panel; 4. Loading plate; 5. Electric cylinder; 6. Extrusion block; 7. Clamp; 8. Pressure sensor; 9. Slider; 10. Slide; 11. Reset spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Please refer to Figure 1-3 The cable protection sleeve extrusion test tool comprises a test bench 1 and a moving component 2. A load-bearing plate 4 is fixedly installed on the top surface of the test bench 1, and an electric cylinder 5 is fixedly installed on the side of the load-bearing plate 4, and an extrusion block 6 is installed on the telescopic end of the electric cylinder 5. A clamp 7 is arranged above the test bench 1, and a pressure sensor 8 is installed on one side surface of the clamp 7. A slide groove 10 is opened on the top surface of the test bench 1, and a slider 9 is slidably connected in the slide groove 10, and the top surface of the slider 9 is connected to the bottom surface of the clamp 7, and a reset spring is installed between the slider 9 and the inner wall of the slide groove 10. Spring 11, when in use, multiple cable protection sleeves are placed on multiple groups of extrusion test stations in turn, and fixed with clamps 7, and force is applied to pressure sensor 8 and clamps 7 through electric cylinder 5, and the force is transmitted to multiple cable protection sleeves to be extruded for testing, and the extrusion test can be carried out. By passing through the value of pressure sensor 8, multiple cable protection sleeves can be extruded at the same time, thereby improving the efficiency of extrusion testing of cable protection sleeves, reducing the randomness of test results, and making the extrusion test results of cable protection sleeves more accurate.

[0026] In this embodiment: the moving assembly 2 is composed of a support frame 201, a reduction motor 202, a positive and negative threaded screw 203, a screw sleeve 204, a limit rod 205, a limit block 206, a first hinge 207, a movable frame 208, a moving wheel 209, a second hinge 210 and a connecting rod 211. The bottom surface of the test bench 1 is welded with a support frame 201, and the outer wall of the support frame 201 is fixedly installed with a reduction motor 202. The output end of the reduction motor 202 extends to the support frame 201 and is rotatably connected to the positive and negative threaded screw 203, and the positive and negative threaded screw 203 is connected to the support frame 201. The surface of 03 is matched with a screw sleeve 204, the inner wall of the support frame 201 is welded with a limiting rod 205, and the surface of the limiting rod 205 is slidably connected to the limiting block 206, and the limiting block 206 is fixedly connected to the screw sleeve 204, and a movable frame 208 is hingedly connected to the lower inner wall of the support frame 201 through a first hinge 207, and a moving wheel 209 is installed on the movable frame 208, and a second hinge 210 is fixedly installed on the surface of the screw sleeve 204 and the surface of the movable frame 208, and a connecting rod 211 is hingedly connected between the two second hinges 210.

[0027] Specifically, the moving component 2 facilitates the movement of the entire cable protective sleeve extrusion test tooling, and after moving to a suitable position, by lifting multiple moving wheels 209 off the ground and storing them in the support frame 201, the support frame 201 is in contact with the ground to prevent the moving wheels 209 from rolling. This can improve the stability of the entire cable protective sleeve extrusion test tooling during use, and is less likely to shake. It is highly practical and worthy of promotion.

[0028] In this embodiment: a control panel 3 is fixedly mounted on the outer wall of the test bench 1 , and the control panel 3 is electrically connected to the electric cylinder 5 and the reduction motor 202 through wires.

[0029] Specifically, it is a common circuit connection structure, which will not be described in detail here.

[0030] In this embodiment, two groups of moving components 2 are symmetrically arranged about the horizontal center line of the test bench 1 .

[0031] Specifically, the stability during movement is improved and the device is not prone to shaking.

[0032] In this embodiment: multiple groups of clamps 7 are provided, and the multiple groups of clamps 7 are equidistantly distributed on the top surface of the test bench 1 .

[0033] Specifically, a plurality of cable protection sleeves to be pressurized can be subjected to extrusion tests at the same time.

[0034] In this embodiment, the total length of the return spring 11 is greater than the length of the slide slot 10 .

[0035] Specifically, it is ensured that the fixture 7 can be reset after the test is completed.

[0036] In this embodiment: the controller is an existing structure, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in this field. It is only used without modification, so the control method and circuit connection are not described in detail.

[0037] Working principle: When in use, multiple cable protection sleeves are placed on multiple groups of extrusion test stations in turn and fixed with clamps 7. The electric cylinder 5 applies force to the pressure sensor 8 and the clamp 7, and the force is transmitted to the multiple cable protection sleeves to be extruded for testing. The extrusion test can be carried out by passing through the value of the pressure sensor 8. Multiple cable protection sleeves can be extruded at the same time, thereby improving the efficiency of the extrusion test of the cable protection sleeves, reducing the randomness of the test results, and making the extrusion test results of the cable protection sleeves more accurate. Secondly, the moving component 2 facilitates the movement of the entire cable protection sleeve extrusion test tooling, and after moving to the appropriate position, the multiple moving wheels 209 are separated from the ground and stored in the support frame 201. At this time, the support frame 201 is in contact with the ground to prevent the moving wheels 209 from rolling, which can improve the stability of the entire cable protection sleeve extrusion test tooling during use, and is not prone to shaking problems. It is highly practical and worthy of promotion.

[0038] It should be noted that the model specifications of the electric cylinder 5 and the reduction motor 202 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0039] The power supply and principle of the electric cylinder 5 and the reduction motor 202 are clear to those skilled in the art and will not be described in detail here.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cable protection sleeve extrusion test tool, comprising a test bench (1) and a moving component (2), characterized in that: A load-bearing plate (4) is fixedly mounted on the top surface of the test bench (1), and an electric cylinder (5) is fixedly mounted on the side surface of the load-bearing plate (4), and an extrusion block (6) is mounted on the telescopic end of the electric cylinder (5); a clamp (7) is arranged above the test bench (1), and a pressure sensor (8) is mounted on one side surface of the clamp (7); a slide groove (10) is provided on the top surface of the test bench (1), and a slider (9) is slidably connected in the slide groove (10), and the top surface of the slider (9) is connected to the bottom surface of the clamp (7); a return spring (11) is mounted between the slider (9) and the inner wall of the slide groove (10).

2. The cable protection sleeve extrusion test tool according to claim 1, characterized in that: The moving assembly (2) is composed of a support frame (201), a reduction motor (202), a positive and negative threaded screw (203), a screw sleeve (204), a limit rod (205), a limit block (206), a first hinge (207), a movable frame (208), a moving wheel (209), a second hinge (210) and a connecting rod (211); the bottom surface of the test bench (1) is welded with the support frame (201), and the reduction motor (202) is fixedly mounted on the outer wall of the support frame (201); the output end of the reduction motor (202) extends into the support frame (201) and is rotatably connected to the positive and negative threaded screw (203); and the positive and negative threaded screw (20 3) is matched with a screw sleeve (204), a limit rod (205) is welded to the inner wall of the support frame (201), and the surface of the limit rod (205) is slidably connected to the limit block (206), and the limit block (206) is fixedly connected to the screw sleeve (204), a movable frame (208) is hingedly connected to the lower part of the inner wall of the support frame (201) through a first hinge (207), and a moving wheel (209) is installed on the movable frame (208), and a second hinge (210) is fixedly installed on the surface of the screw sleeve (204) and the surface of the movable frame (208), and a connecting rod (211) is hingedly connected between the two second hinges (210).

3. The cable protection sleeve extrusion test tool according to claim 2, characterized in that: A control panel (3) is fixedly mounted on the outer wall of the test bench (1), and the control panel (3) is electrically connected to the electric cylinder (5) and the reduction motor (202) via wires.

4. The cable protection sleeve extrusion test tool according to claim 2, characterized in that: The moving components (2) are symmetrically arranged in two groups with respect to the horizontal center line of the test bench (1).

5. The cable protection sleeve extrusion test tool according to claim 1, characterized in that: The clamps (7) are provided in multiple groups, and the multiple groups of clamps (7) are distributed at equal intervals on the top surface of the test bench (1).

6. The cable protection sleeve extrusion test tool according to claim 1, characterized in that: The total length of the return spring (11) is greater than the length of the slide slot (10).

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