Insulating material testing device

Abstract

The utility model discloses an insulating material testing device, which relates to the technical field of simulation equipment, and comprises a controller and a control switch, the outer end of the controller is provided with the control switch, one side of the control switch is provided with an ampere meter, one side of the controller is provided with a bottom plate, four corners of the bottom plate are fixedly provided with fixing frames, and the fixing frames are fixed on the bottom plate. A top plate is fixed to the top end of the fixing frame, and the top plate is fixedly connected with the fixing frame through bolts. The middle of the fixing frame is in bolted connection with an air cylinder. According to the insulating material testing device, fixed insulating rubber can be attached to a lower electrode plate through lifting, two sets of clamping plates are arranged in the middle of the clamp base, and the two sets of clamping plates clamp an insulating material through rotation of reverse screws, so that the stability of the insulating material in the testing process is kept, and the accuracy of a testing result is ensured; and insulating rubber is mounted on the inner sides of the clamping plates, so that potential safety hazards cannot be caused to operators in the test process, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to simulation equipment technical field, concretely is a kind of insulating material testing device. BACKGROUND

[0002] Insulating material is the material that does not conduct electricity under allowable voltage, but not absolutely not conductive material, under the action of certain applied electric field intensity, also will occur conduction, polarization, loss, breakdown and other processes, and long-term use will also occur aging, insulating material is the basis and guarantee of electrical product development, has particularly important role to the development of motor, electrical industry, is also the important guarantee of long-term safe and reliable operation of electrical product, therefore, requires that insulating material develops new varieties continuously, improves product performance and quality, to adapt to the needs of the continuous development of electrical product.

[0003] But the existing insulating material testing device still has some problems when using:

[0004] The existing such as CN208188263U a portable insulating material withstand voltage test platform, including bottom box and upper box, the right side surface of upper box is equipped with recess, the recess bottom end surface is equipped with display, the right side surface of upper box is equipped with buckle, the right side of bottom box is equipped with handle, the front end surface left side of bottom box is equipped with electric socket, the inside bottom end surface of bottom box is equipped with pressure measuring platform, the upper end surface of pressure measuring platform is equipped with four struts, the upper end of struts is connected respectively four corner positions of mounting plate lower end surface, the lower end surface middle part of mounting plate is equipped with electric telescopic rod;

[0005] But in the process of insulating material test, insulating material needs to be fixed by auxiliary mounting fixture, and the existing test device lacks mounting fixture that can be flexibly adjusted according to insulating material, so that the accuracy and stability of test results cannot be guaranteed in the test process, and when live-line test is carried out on insulating material, certain power transmission risk is generated to operating personnel, and personal safety cannot be ensured.

[0006] Therefore, we propose an insulating material testing device to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing an insulating material testing device to solve the problems that the test device lacks mounting fixture that can be flexibly adjusted according to insulating material in the above background art, so that the accuracy and stability of test results cannot be guaranteed in the test process, and when live-line test is carried out on insulating material, certain power transmission risk is generated to operating personnel, and personal safety cannot be ensured.

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: an insulating material testing device, including controller and control switch:

[0009] The outer end of the controller is provided with a control switch, one side of the control switch is provided with an ammeter, one side of the controller is provided with a bottom plate, four corners of the bottom plate are fixedly provided with fixing frames, the top end of the fixing frame is fixedly provided with a top plate, and the top plate is fastened and connected with the fixing frame through bolts;

[0010] The middle part of the fixing frame is boltedly connected with a cylinder, one side of the cylinder is provided with a pressure gauge, the output end of the cylinder is fixedly provided with a fixed plate, and four corners of the fixed plate are in sliding connection with the fixing frame, the lower end surface of the fixed plate is fixedly provided with a fixed seat, the lower end of the fixed seat is fixedly provided with an upper electrode, and one side of the fixed seat is provided with a power supply connecting piece.

[0011] The controller is connected with the ammeter, the ammeter is used for measuring the current value of the insulating material in the test process, so that the test is ensured to be carried out in a safe range, and the fixed plate is lifted by the cylinder, so that the upper electrode at the bottom of the fixed plate can be lifted, the upper electrode is electrically connected with the power supply through the power supply connecting piece, so as to provide the required electric field or current, and when the upper electrode and the lower electrode form an electric field, the upper electrode is used for the test or aging test of the insulating material.

[0012] Preferably, the upper end surface of the bottom plate is provided with a test box, the middle part of the test box is provided with a lower electrode assembly, and the lower electrode assembly comprises a metal base layer.

[0013] The upper end surface of the test box is provided with a metal base layer, the upper end surface of the metal base layer is provided with an insulating layer, the upper end surface of the insulating layer is provided with a lower electrode plate, and the lower electrode assembly is fastened and connected with the test box through bolts.

[0014] Through the installation of the lower electrode assembly in the test box, the lower electrode assembly and the upper electrode correspondingly form an electric field, the lower electrode assembly is composed of a metal base layer, an insulating layer and a lower electrode plate, the metal base layer is made of a metal material with good conductivity such as aluminum alloy, the insulating layer is located above the metal base layer and can be used for preventing current from passing through, so as to ensure the safe operation of the equipment, and the lower electrode plate is used for realizing electrochemical reaction, so as to achieve the test effect on the insulating material.

[0015] Preferably, one side of the test box is internally provided with a grounding connecting piece.

[0016] Through the above technical scheme, the lower electrode plate forms grounding through the grounding connecting piece, so as to ensure safety and form a complete circuit.

[0017] Preferably, the inner side of the test box is provided with a sliding groove, the upper end surface of the test box is bolted with a driving motor, the output end of the driving motor is movably connected with a lead screw, the outer surface of the lead screw is threadedly connected with a sliding block, and the sliding block is slidably connected with the sliding groove.

[0018] By the above technical scheme, the lead screw drives the sliding block to move up and down along the middle part of the sliding groove, so that the distance between the insulating material and the lower electrode plate can be adjusted according to the insulating material, improving the practicability and efficiency of the test.

[0019] Preferably, one side of the sliding block is fixed with an electric push rod, the output end of the electric push rod is fixed with a clamp seat, one side of the clamp seat is provided with a hand wheel, and one side of the hand wheel is fixed with a reverse screw rod.

[0020] By the above technical scheme, after the sliding block is adjusted to a certain height, the clamp seat is pushed to move horizontally by the electric push rod, and then the insulating material can be placed in the appropriate position, improving the practicability and flexibility of the test device.

[0021] Preferably, the outer surface of the reverse screw rod is provided with a clamping plate, and the clamping plate is provided with two groups, the inner side of the clamping plate is fixed with insulating rubber, and the middle part of the clamping plate penetrates a limiting shaft, and the limiting shaft is fixedly connected with the inner side of the clamp seat at both ends.

[0022] By the above technical scheme, the reverse screw rod is driven to rotate by the hand wheel, and the two groups of clamping plates move towards each other, which can form a clamping effect on the insulating material, and the insulating rubber is installed on the inner side of the clamping plate, so as to ensure that there is no safety hazard to the operator during the test process, improving the safety.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] 1. By lifting, the fixed insulating rubber can be close to the lower electrode plate, and two groups of clamping plates are arranged in the middle part of the clamp seat, the two groups of clamping plates are clamped on the insulating material by the rotation of the reverse screw rod, so as to maintain the stability of the insulating material during the test process and ensure the accuracy of the test results, and the insulating rubber is installed on the inner side of the clamping plate, so as to ensure that there is no safety hazard to the operator during the test process, improving the safety;

[0025] 2. The upper electrode is close to the lower electrode plate, the upper electrode is electrically connected with the power supply through the power supply connecting piece, and the lower electrode plate is grounded through the grounding connecting piece, so as to achieve the series effect, form an electric field between the upper electrode and the lower electrode plate, and adjust the electric field strength by lifting, so as to simulate the influence of different electric field strengths on the aging of the insulating material and provide more accurate test results. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a front view external view structure schematic diagram of the utility model;

[0027] Figure 2 It is a main body section view structure schematic diagram of the utility model;

[0028] Figure 3 It is a lower electrode assembly structure schematic diagram of the utility model;

[0029] Figure 4 It is a test box structure schematic diagram of the utility model;

[0030] Figure 5 It is a utility model Figure 1 The enlarged structure schematic diagram of A place in the middle.

[0031] In the drawing: 1, controller; 2, control switch; 3, ammeter; 4, bottom plate; 5, fixed frame; 6, top plate; 7, air cylinder; 8, pressure gauge; 9, fixed plate; 10, fixed seat; 11, upper electrode; 12, power supply connecting piece; 13, test box; 14, lower electrode assembly; 1401, metal base layer; 1402, insulating layer; 1403, lower electrode plate; 15, grounding connecting piece; 16, sliding groove; 17, drive motor; 18, lead screw; 19, sliding block; 20, electric push rod; 21, clamp seat; 22, hand wheel; 23, reverse screw; 24, clamping plate; 25, insulating rubber; 26, limit shaft. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0033] In order to solve the problem of lacking flexible adjustment clamp according to insulating material in the prior art, the following scheme is disclosed, please refer to Figures 1-5The utility model provides a technical scheme: an insulating material testing device, including controller 1 and control switch 2: the outer end of controller 1 is provided with control switch 2, one side of control switch 2 is provided with ammeter 3, one side of controller 1 is provided with bottom plate 4, the four corners of bottom plate 4 are fixed with fixed frame 5, the top of fixed frame 5 is fixed with top plate 6, and top plate 6 is fastened with fixed frame 5 through bolt, the middle part of fixed frame 5 is connected with cylinder 7, one side of cylinder 7 is provided with pressure gauge 8, the output of cylinder 7 is fixed with fixed plate 9, and the four corners of fixed plate 9 are slidably connected with fixed frame 5, the lower end surface of fixed plate 9 is fixed with fixed seat 10, the lower end of fixed seat 10 is fixed with upper electrode 11, one side of fixed seat 10 is provided with power supply connecting piece 12.Controller 1 connects cylinder 7, and through the operation of controlling cylinder 7, cylinder 7 pushes fixed plate 9 to lift, and fixed plate 9 drives upper electrode 11 fixedly connected through fixed seat 10 to lift, and upper electrode 11 is electrically connected with power supply through power supply connecting piece 12 to provide the required electric field or current, and pressure gauge 8 is installed outside cylinder 7, and ammeter 3 is arranged on controller 1, and pressure gauge 8 is used to display the pressure in the pressure container during the test, so that the operator can understand the pressure state of the insulating material under high pressure, and through the installation of ammeter 3, ammeter 3 is used to monitor the current change in real time during the test, and ensures that the test is in the safe range.

[0034] The upper end surface of bottom plate 4 is provided with test box 13, the middle part of test box 13 is provided with lower electrode assembly 14, lower electrode assembly 14 includes metal base layer 1401, the upper end surface of test box 13 is provided with metal base layer 1401, the upper end surface of metal base layer 1401 is provided with insulating layer 1402, the upper end surface of insulating layer 1402 is provided with lower electrode plate 1403, and lower electrode assembly 14 is fastened with test box 13 through bolt, and one side of test box 13 is internally provided with grounding connecting piece 15.Through the installation of lower electrode assembly 14 in test box 13, lower electrode assembly 14 corresponds with upper electrode 11 to form an electric field, lower electrode assembly 14 is composed of metal base layer 1401, insulating layer 1402 and lower electrode plate 1403, metal base layer 1401 is made of metal material with good conductivity such as aluminum alloy, insulating layer 1402 is located above metal base layer 1401, can be used to prevent current, ensures the safe operation of equipment, and lower electrode plate 1403 is used to realize electrochemical reaction, so as to achieve the test effect for insulating material.

[0035] The inner side of the test box 13 is provided with a sliding groove 16, the upper end surface of the test box 13 is bolted with a driving motor 17, the output end of the driving motor 17 is movably connected with a lead screw 18, the outer surface of the lead screw 18 is threadedly connected with a sliding block 19, and the sliding block 19 is slidably connected with the sliding groove 16; one side of the sliding block 19 is fixed with an electric push rod 20, the output end of the electric push rod 20 is fixed with a clamp seat 21, one side of the clamp seat 21 is provided with a hand wheel 22, one side of the hand wheel 22 is fixed with a reverse screw rod 23; the outer surface of the reverse screw rod 23 is provided with a clamping plate 24, and the clamping plate 24 is provided with two groups, the inner side of the clamping plate 24 is fixed with insulating rubber 25, and the middle part of the clamping plate 24 penetrates through a limiting shaft 26, and the limiting shaft 26 is fixedly connected with the inner side of the clamp seat 21. The driving motor 17 drives the lead screw 18 to rotate, the lead screw 18 drives the sliding block 19 to slide up and down along the sliding groove 16, so that the fixed insulating rubber 25 can be close to the lower electrode plate 1403 through lifting, and then the clamp seat 21 is driven to move up and down by the electric push rod 20, the middle part of the clamp seat 21 is provided with two groups of clamping plates 24, the two groups of clamping plates 24 clamp the insulating material through the rotation of the reverse screw rod 23, so as to keep the stability of the insulating material during the test, and ensure the accuracy of the test result, and the insulating rubber 25 is installed in the inner side of the clamping plate 24, so as to ensure that the operator will not cause safety hazards during the test, and improve the safety.

[0036] Working principle: for this kind of insulating material test device, first, the insulating material is placed between the two groups of clamping plates 24 in the test box 13, the clamping plates 24 are manually adjusted to clamp and fix the insulating material, then the clamp seat 21 is lifted by the driving motor 17, so that the insulating material is close to the outer surface of the lower electrode plate 1403, then the fixed plate 9 is pushed up and down by the air cylinder 7, the fixed plate 9 drives the upper electrode 11 to approach the lower electrode plate 1403, and the upper electrode 11 is electrically connected with the power supply through the power supply connecting piece 12, the lower electrode plate 1403 is grounded through the grounding connecting piece 15, so as to achieve the series effect, and form an electric field between the upper electrode 11 and the lower electrode plate 1403, which can be adjusted by lifting, so as to change the electric field strength, and then simulate the influence of different electric field strengths on the aging of the insulating material, and provide more accurate test results.

[0037] Therefore, a series of work is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An insulating material testing device, comprising a controller (1) and a control switch (2), characterized in that: The controller (1) is provided with a control switch (2) at its outer end. An ammeter (3) is provided on one side of the control switch (2). A base plate (4) is provided on one side of the controller (1). Fixing brackets (5) are fixed at the four corners of the base plate (4). A top plate (6) is fixed at the top of the fixing bracket (5). The top plate (6) is fastened to the fixing bracket (5) by bolts. A cylinder (7) is bolted to the middle of the fixed frame (5). A pressure gauge (8) is provided on one side of the cylinder (7). A fixed plate (9) is fixed to the output end of the cylinder (7). The four corners of the fixed plate (9) are slidably connected to the fixed frame (5). A fixed seat (10) is fixed to the lower end of the fixed plate (9). An upper electrode (11) is fixed to the lower end of the fixed seat (10). A power connector (12) is provided on one side of the fixed seat (10).

2. The insulating material testing device according to claim 1, characterized in that: The upper surface of the base plate (4) is provided with a test chamber (13), and the middle part of the test chamber (13) is provided with a lower electrode assembly (14), which includes a metal base layer (1401). The upper surface of the test chamber (13) is provided with a metal base layer (1401), the upper surface of the metal base layer (1401) is provided with an insulating layer (1402), the upper surface of the insulating layer (1402) is provided with a lower electrode plate (1403), and the lower electrode assembly (14) is fastened to the test chamber (13) by bolts.

3. The insulating material testing device according to claim 2, characterized in that: A grounding connector (15) is provided inside one side of the test chamber (13).

4. The insulating material testing device according to claim 2, characterized in that: The test chamber (13) has a sliding groove (16) on its inner side. The test chamber (13) is bolted to a drive motor (17). The output end of the drive motor (17) is movably connected to a lead screw (18). The outer surface of the lead screw (18) is threaded with a slider (19), and the slider (19) is slidably connected to the sliding groove (16).

5. The insulating material testing device according to claim 4, characterized in that: An electric push rod (20) is fixed on one side of the slider (19), and a clamp seat (21) is fixed at the output end of the electric push rod (20). A handwheel (22) is provided on one side of the clamp seat (21), and a reverse screw (23) is fixed on one side of the handwheel (22).

6. The insulating material testing apparatus according to claim 5, characterized in that: The outer surface of the reverse screw (23) is provided with a clamping plate (24), and there are two sets of clamping plates (24). Insulating rubber (25) is fixed on the inner side of the clamping plate (24). A limiting shaft (26) passes through the middle of the clamping plate (24), and the two ends of the limiting shaft (26) are fixedly connected to the inner side of the fixture seat (21).

Images