Dielectric strength test tool

Abstract

The utility model belongs to the field of test tools, and particularly relates to a dielectric strength test tool which comprises a device main body, an adjusting device is arranged on the surface of the device main body, the adjusting device comprises a fixed sleeve, the fixed sleeve is arranged on the surface of the device main body, and the surface of the fixed sleeve is in sliding connection with the inner wall of a movable sleeve. According to the dielectric strength test tool, through the arranged adjusting device, when test workpieces of different sizes need to be fixed, the size of a cushion block needs to be adjusted, a push threaded rod moves a push disc by rotating a handle, and therefore the push disc pushes limiting rods and hinge rods on the two sides to move through sliding grooves; and one ends of the limiting rods on the two sides and one ends of the hinge rods are limited, so that the other ends of the limiting rods on the two sides and the other ends of the hinge rods contract inwards to jack up the movable sleeve, the size of a cushion block formed by combining the movable sleeve and the fixed sleeve can be adjusted, and the device has higher universality.

Description

TECHNICAL FIELD

[0001] The utility model relates to test frock technical field, concretely is a dielectric strength test frock. BACKGROUND

[0002] Dielectric strength test frock is used for testing material or equipment insulation performance, and the device that measures its resistance breakdown ability under electric field action.

[0003] At present, in the prior art, when the insulation performance of the potting agent material is detected, the workpiece needs to be clamped and fixed, in order to avoid excessive extrusion of the workpiece, which leads to inaccurate test results and avoids deformation of the workpiece and the electrode head, and the surface of the clamping plate often needs to be protected by a pad, and the size of the existing pad is often fixed, so that the pad needs to be replaced when testing different sizes of workpieces, which reduces the test efficiency. In view of this, we propose a dielectric strength test frock. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a dielectric strength test frock, which can solve the problems raised in the above technical background.

[0005] In order to achieve the above purpose, the utility model provides a dielectric strength test frock, which comprises a device main body, the surface of the device main body is provided with an adjusting device, and the adjusting device comprises:

[0006] The fixed sleeve is arranged on the surface of the device main body, the surface of the fixed sleeve is slidably connected with the inner wall of the movable sleeve, the inner wall of the movable sleeve is slidably connected with one end of the two side limiting rods, and the other end of the two side limiting rods is rotatably connected with the inner wall of the fixed sleeve.

[0007] Preferably, the inner wall of the fixed sleeve is rotatably connected with one end of the articulated rod, the other end of the articulated rod is slidably connected with the inner wall of the movable sleeve, and the surfaces of the two side limiting rods and the articulated rod are both provided with sliding grooves.

[0008] Preferably, the inner wall of the sliding groove is sleeved with the surface of the push disc, the surface of the push disc is rotatably connected with one end of the push threaded rod, the other end of the push threaded rod is fixedly connected with the surface of the handle, and the push threaded rod is arranged on the inner wall of the device main body.

[0009] Preferably, the device main body comprises a clamping plate, the inner wall of the clamping plate is fixedly connected with an electrode head, the inner wall of the clamping plate is fixedly connected with the surface of a screw rod, the surface of the screw rod is slidably connected with the inner wall of the clamping plate, and the surface of the screw rod is threadedly connected with the inner wall of a butterfly nut.

[0010] Preferably, the clamping plate comprises an inner insulation layer, a surface of the inner insulation layer is fixedly connected with a surface of the heat insulation plate, and the surface of the heat insulation plate is fixedly connected with a surface of an outer insulation layer.

[0011] Preferably, a surface of the inner insulation layer is fixedly connected with a surface of the fixing sleeve, and an inner wall of the clamping plate is threadedly connected with a surface of the pushing threaded rod.

[0012] Advantages

[0013] The dielectric strength test tool has the following advantages:

[0014] (1) The dielectric strength test tool, when different sizes of test workpieces need to be fixed, the size of the pad block needs to be adjusted, the pushing threaded rod is moved by rotating the handle, so that the pushing disc moves the two side limiting rods and the hinged rod through the sliding groove, and one end of the two side limiting rods and the hinged rod is limited, so that the other end of the two side limiting rods and the hinged rod is retracted inward to lift the moving sleeve, so that the size of the pad block combined by the moving sleeve and the fixing sleeve can be adjusted, and the device is more universal.

[0015] (2) The dielectric strength test tool, by setting the moving sleeve, the inner wall of one end of the moving sleeve close to the hinged rod is rough, and the inner wall of one end of the moving sleeve away from the hinged rod is smooth, so that the moving sleeve is offset to the side with small friction force under uneven friction force, and the rough end close to the hinged rod is pushed, so that the two sides of the moving sleeve are balanced, and the stable operation of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the side view structure of part of the structure of the present application;

[0019] Figure 3 It is a schematic diagram of the enlarged structure of the present application A;

[0020] Figure 4 It is a schematic diagram of the oblique view structure of part of the structure of the present application.

[0021] Explanation of reference numerals: 1, device main body; 2, adjusting device; 101, clamping plate; 1011, inner insulation layer; 1012, heat insulation plate; 1013, outer insulation layer; 102, electrode head; 103, screw rod; 104, butterfly nut; 201, fixed sleeve; 202, moving sleeve; 203, two side limiting rods; 204, hinged rod; 205, sliding groove; 206, pushing disc; 207, pushing threaded rod; 208, handle.

[0022] The realization, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0024] Please refer to Figures 1-4 The present application provides a dielectric strength test tool, which comprises a device main body 1, the device main body 1 comprises a clamping plate 101, the inner wall of the clamping plate 101 is fixedly connected with an electrode head 102, the inner wall of the clamping plate 101 is fixedly connected with the surface of a screw rod 103, the surface of the screw rod 103 is slidably connected with the inner wall of the clamping plate 101, the surface of the screw rod 103 is threadedly connected with the inner wall of a butterfly nut 104, the clamping plate 101 comprises an inner insulation layer 1011, the surface of the inner insulation layer 1011 is fixedly connected with the surface of a heat insulation plate 1012, the surface of the heat insulation plate 1012 is fixedly connected with the surface of an outer insulation layer 1013, the surface of the inner insulation layer 1011 is fixedly connected with the surface of a fixed sleeve 201, and the inner wall of the clamping plate 101 is threadedly connected with the surface of a pushing threaded rod 207.

[0025] The surface of the device body 1 is provided with an adjusting device 2, the adjusting device 2 comprises: a fixed sleeve 201, the fixed sleeve 201 is arranged on the surface of the device body 1, the surface of the fixed sleeve 201 is in sliding connection with the inner wall of the moving sleeve 202, by arranging the moving sleeve 202, the inner wall of the one end of the moving sleeve 202 close to the hinged rod 204 is rough, and the inner wall of the one end of the moving sleeve 202 away from the hinged rod 204 is smooth, so that the moving sleeve 202 deviates to the side with small friction force in the case of uneven friction, and the rough one end close to the hinged rod 204 is pushed, so that the both sides of the moving sleeve 202 are balanced, thereby ensuring the stable operation of the device, the inner wall of the moving sleeve 202 is in sliding connection with one end of the two side limiting rods 203, the other end of the two side limiting rods 203 is in rotary connection with the inner wall of the fixed sleeve 201, the inner wall of the fixed sleeve 201 is in rotary connection with one end of the hinged rod 204, the other end of the hinged rod 204 is in sliding connection with the inner wall of the moving sleeve 202, the surface of the two side limiting rods 203 and the hinged rod 204 is provided with a sliding groove 205, the inner wall of the sliding groove 205 is sleeved with the surface of the push disc 206, the surface of the push disc 206 is in rotary connection with one end of the push threaded rod 207, the other end of the push threaded rod 207 is fixedly connected with the surface of the handle 208, the push threaded rod 207 is arranged on the inner wall of the device body 1, by arranging the adjusting device 2, when different sizes of test workpieces need to be fixed, the size of the pad needs to be adjusted, by rotating the handle 208, the push threaded rod 207 moves the push disc 206, so that the push disc 206 moves the two side limiting rods 203 and the hinged rod 204 through the sliding groove 205, and one end of the two side limiting rods 203 and the hinged rod 204 is limited, so that the other end of the two side limiting rods 203 and the hinged rod 204 is retracted inward to lift the moving sleeve 202, so that the size of the pad combined by the moving sleeve 202 and the fixed sleeve 201 can be adjusted, thereby making the device more universal.

[0026] In the utility model, when needing to test workpieces, the object is placed on the electrode head 102, the butterfly nut 104 is rotated, the clamping plate 101 clamps the workpiece through the electrode head 102, and the electrode head 102 is powered on for testing, when different sizes of test workpieces need to be fixed, the size of the pad needs to be adjusted, by rotating the handle 208, the push threaded rod 207 moves the push disc 206, so that the push disc 206 moves the two side limiting rods 203 and the hinged rod 204 through the sliding groove 205, and one end of the two side limiting rods 203 and the hinged rod 204 is limited, so that the other end of the two side limiting rods 203 and the hinged rod 204 is retracted inward to lift the moving sleeve 202, so that the size of the pad combined by the moving sleeve 202 and the fixed sleeve 201 can be adjusted.

[0027] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application, and by using the content of the present application specification and drawings, are included in the patent protection scope of the present application.

Claims

1. A dielectric strength test fixture comprising a device body (1), characterised in that: The surface of the device body (1) is provided with an adjusting device (2), the adjusting device (2) comprises: The fixed sleeve (201) is arranged on the surface of the device body (1), the surface of the fixed sleeve (201) is in sliding connection with the inner wall of the moving sleeve (202), the inner wall of the moving sleeve (202) is in sliding connection with one end of the two side limiting rods (203), and the other end of the two side limiting rods (203) is in rotating connection with the inner wall of the fixed sleeve (201).

2. A dielectric strength test fixture according to claim 1, wherein: The inner wall of the fixed sleeve (201) is in rotating connection with one end of the articulated rod (204), the other end of the articulated rod (204) is in sliding connection with the inner wall of the moving sleeve (202), and the surfaces of the two side limiting rods (203) and the articulated rod (204) are both provided with sliding grooves (205).

3. A dielectric strength test fixture according to claim 2, wherein: The inner wall of the sliding groove (205) is sleeved with the surface of the push disc (206), the surface of the push disc (206) is in rotating connection with one end of the push threaded rod (207), the other end of the push threaded rod (207) is fixedly connected with the surface of the handle (208), and the push threaded rod (207) is arranged on the inner wall of the device body (1).

4. A dielectric strength test fixture according to claim 3, wherein: The device body (1) comprises a clamping plate (101), the inner wall of the clamping plate (101) is fixedly connected with an electrode head (102), the inner wall of the clamping plate (101) is fixedly connected with the surface of a screw rod (103), the surface of the screw rod (103) is in sliding connection with the inner wall of the clamping plate (101), and the surface of the screw rod (103) is in threaded connection with the inner wall of a butterfly nut (104).

5. A dielectric strength test kit according to claim 4, wherein: The clamping plate (101) comprises an inner insulation layer (1011), the surface of the inner insulation layer (1011) is fixedly connected with the surface of a heat insulation plate (1012), and the surface of the heat insulation plate (1012) is fixedly connected with the surface of an outer insulation layer (1013).

6. A dielectric strength test kit according to claim 5, wherein: The surface of the inner insulation layer (1011) is fixedly connected with the surface of the fixed sleeve (201), and the inner wall of the clamping plate (101) is in threaded connection with the surface of the push threaded rod (207).

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