Insulation and voltage resistance testing device for voltage transformer

Abstract

The utility model provides an insulation and voltage resistance testing device for a voltage transformer. The insulation and voltage resistance testing device comprises a rack; the moving device is mounted at the bottom end of the rack; the supporting frame is arranged at the top end, far away from the moving device, of the rack; the driving mechanism is installed on the supporting frame, and the conveying mechanism is driven by the driving mechanism to convey materials; the positioning and clamping mechanism is arranged on a conveying belt of the conveying mechanism and comprises a positioning and clamping seat; the clamping mechanisms are oppositely arranged on the positioning clamping base, and the voltage transformer placed on the positioning clamping base is clamped through the clamping mechanisms. According to the utility model, the manual participation can be greatly reduced, the stability of the voltage transformer in the detection process can be ensured by additionally arranging the positioning and clamping device, so that the voltage transformer can be connected with the high-voltage generator through the transition device, the high-voltage generator can be tested on a large scale, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to horizontal machining center protection technical field, especially relate to the insulating voltage withstand testing device for voltage transformer. BACKGROUND

[0002] In the voltage transformer manufacturing process, when voltage transformer is made, it needs to be tested for insulating voltage withstand. Especially in some small and medium-sized enterprises, in order to reduce cost, staff mostly uses general testing instrument, manual test, and records or adopts single connection mode to test insulating voltage withstand.

[0003] When testing, two terminals on the voltage transformer are short-circuited by wire, connected to the high voltage end of high voltage generator, then a short wire is used to short-circuit secondary terminal, and the tail end of high voltage generator is connected to the bottom plate wiring section, then voltage is raised to 42kV, and lasts for 60s, if there is no flash and breakdown, it is qualified. The above measurement method is time-consuming and laborious.

[0004] Therefore, how to solve the defects in the above technical scheme has become one of the problems to be solved in the horizontal machining center protection technical field. INVENTION CONTENTS

[0005] In view of the problems in the background art, the utility model provides an insulating voltage withstand testing device for voltage transformer, which comprises a rack,

[0006] and a moving device installed at the bottom end of the rack,

[0007] a support frame provided at the top end of the rack away from the moving device,

[0008] a driving mechanism installed on the support frame, which drives the conveying mechanism to convey materials,

[0009] a positioning and clamping mechanism provided on the conveying belt of the conveying mechanism, which comprises a positioning and clamping seat,

[0010] a plurality of groups of clamping mechanisms provided on the positioning and clamping seat in opposite directions, which clamp the voltage transformer placed on the positioning and clamping seat through the clamping mechanism.

[0011] Optionally, the clamping mechanism comprises a support seat,

[0012] the support seat is installed on the positioning and clamping seat,

[0013] the support seat away from the positioning and clamping seat is connected to the pressing link through a hinge connecting piece, and the pressing link away from the positioning and clamping seat is provided with a clamping piece on the top end surface.

[0014] Optionally, a pressing member is arranged on the pressing link.

[0015] Optionally, a lateral movement module is arranged on the lateral end of the support column arranged on the rack,

[0016] A longitudinal movement module is arranged on the lateral movement module.

[0017] The lateral movement module comprises a slide rail,

[0018] The slide rail is provided with a sliding block matched therewith.

[0019] Optionally, the longitudinal movement module comprises a connecting frame,

[0020] The connecting frame is arranged on the front end surface of the sliding block.

[0021] Optionally, the longitudinal movement module further comprises a telescopic hydraulic cylinder,

[0022] The telescopic hydraulic cylinder extends into the connecting frame,

[0023] and is provided with a longitudinal movement block,

[0024] The longitudinal movement block is provided with a sliding groove inside,

[0025] and is matched with the slide rail arranged on the partition plate of the connecting frame.

[0026] Optionally, a sliding material taking platform is arranged on the front end surface of the longitudinal movement block extending out of the connecting frame,

[0027] A plurality of material taking robots are arranged on the sliding material taking platform away from the lifting unloading device.

[0028] Optionally, a feeding device is arranged on one side of the support frame,

[0029] The feeding device comprises a support column and a support platform arranged on the support column,

[0030] The support platform is provided with a motor,

[0031] The sliding module of the lead screw module driven by the motor drives the sliding platform arranged on the sliding module to move.

[0032] Optionally, a lifting unloading device is arranged in front of the discharging port of the conveying mechanism,

[0033] The lifting unloading device comprises a mounting seat,

[0034] The mounting seat is arranged in the rack,

[0035] The mounting seat is provided with a jacking hydraulic cylinder,

[0036] The extension end of the jacking hydraulic cylinder is provided with a discharging table,

[0037] The discharging table is provided with a placing rack,

[0038] A plurality of pressing columns are arranged in the groove of the placing rack,

[0039] The pressing column is made of rubber material.

[0040] Therefore, the utility model has the advantages of the following:

[0041] The utility model discloses can greatly reduce manual participation, through the positioning clamping device that adds, can guarantee the stability of voltage transformer in the detection process, and then can make voltage transformer can pass through transition device and connect high -voltage generator, and then make it carry out large -scale test, and then greatly improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 It is whole structure schematic diagram for the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0043] Figure 2 It is partial structure schematic diagram for the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0044] Figure 3 It is longitudinal movement module structure schematic diagram for the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0045] Figure 4 It is partial structure schematic diagram for the longitudinal movement module of the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0046] Figure 5 It is the utility model Figure 4 It is the partial structure of connecting frame inside;

[0047] Figure 6 It is feed device structure schematic diagram for the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0048] Figure 7 It is partial structure schematic diagram for the feed device of the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0049] Figure 8 It is jacking and discharging device structure schematic diagram for the utility model for voltage transformer's insulation withstand voltage test device one embodiment;

[0050] Figure 9The utility model is used for positioning and clamping mechanism structure schematic drawing of one embodiment of insulation withstand voltage test device of voltage transformer.

[0051] Reference signs:

[0052] 100, insulation withstand voltage test device;

[0053] 101, support frame; 102, rack; 103, moving device; 104, support column;

[0054] 30, jacking and unloading device; 301, unloading table; 302, placing rack; 304, jacking hydraulic cylinder; 305, mounting seat;

[0055] 40, longitudinal movement module; 401, telescopic hydraulic cylinder; 402, connecting frame; 403, sliding block; 404, sliding material taking table; 405, extending end; 406, partition; 407, connecting end;

[0056] 50, transverse movement module; 501, slide rail; 502, sliding block;

[0057] 601, driving mechanism; 602, conveying mechanism;

[0058] 70, material taking robot;

[0059] 80, feeding device; 801, support column; 803, motor; 804, sliding platform; 805, lead screw module;

[0060] 90, positioning and clamping mechanism;

[0061] 901, positioning and clamping seat; 902, clamping piece; 903, hinge connecting piece; 904, pressing piece; 905, pressing connecting rod; 906, support seat. DETAILED DESCRIPTION

[0062] In order to make the utility model's purpose, technical scheme and advantage more clearly, below, combining with the attached drawing and specific embodiment, the utility model is further detailedly explained. Although the example embodiment is disclosed in the attached drawing, however, it should be understood that the utility model can be realized in various forms and should not be limited by the embodiment explained here. On the contrary, provide these embodiments are for being more convenient to understand the utility model thoroughly and being able to convey the utility model's thought completely to the person skilled in the art.

[0063] In the description of the specification, the description of the terms "certain embodiments", "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0064] In the present application, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" refers to two or more than two, unless otherwise explicitly limited. The terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0065] In actual application, the existing voltage transformer cannot guarantee the stability of the voltage transformer during detection, so that the staff needs to use a general test table for manual testing.

[0066] As shown in Figures 1-9 The present application provides an insulation withstand voltage test device for voltage transformer, which comprises a rack 102, and a moving device 103 installed at the bottom end of the rack 102, the moving device 103 can adopt universal wheels; a support frame 101 is installed at the top end of the rack 102 away from the moving device 103, and a driving mechanism 601 is fixedly installed on the support frame 101 through fastening screws, the driving mechanism 601 is preferably a motor, the driving mechanism 601 drives the conveying mechanism 602 to convey materials, the conveying mechanism 602 is preferably a belt conveyor, the connection between the driving mechanism 601 and the conveying mechanism is prior art, which will not be described in detail here;

[0067] A plurality of positioning and clamping seats 901 of positioning and clamping mechanisms 90 are placed on the conveying belt of the conveying mechanism 602, and a plurality of oppositely arranged clamping mechanisms are arranged on the positioning and clamping seat 901, and the voltage transformer placed on the positioning and clamping seat 901 is clamped by the clamping mechanism.

[0068] Further, the bottom end face of the positioning and clamping seat 901 is made of rubber material, and the top end face of the positioning and clamping seat 901 is made of stainless steel plate.

[0069] In actual application, the workers of the first section place the positioning and clamping mechanism 90 on the conveying mechanism 602, and then place the voltage transformer on the positioning and clamping seat 901, and clamp the two end portions of the voltage transformer through the two sets of oppositely arranged clamping mechanisms.

[0070] Specifically, the clamping mechanism comprises a support seat 906, and the support seat is fixedly connected to the positioning and clamping seat 901 by welding or fastening bolts.

[0071] The support seat 906 away from the positioning and clamping seat 901 is connected to a pressing connecting rod 905 through a hinge connecting piece 903, and a clamping piece 902 is arranged on the top end face of the pressing connecting rod 905 away from the positioning and clamping seat, which is used for clamping the wire.

[0072] The pressing connecting rod 905 is provided with a pressing piece 904, which is used for pressing the top end face of the voltage transformer.

[0073] It should be noted that by placing the voltage transformer between the two sets of oppositely arranged clamping mechanisms, the pressing piece 904 arranged on the pressing connecting rod 905 is pressed against the top end face of the voltage transformer, and then the two terminals on the voltage transformer are short-circuited by wires, and then the wires are respectively inserted through the clamping gap of the clamping piece 902, and the wires are clamped by the clamping piece 902.

[0074] Further, the transverse end portion of the support column 104 arranged on the rack 102 is fixedly provided with a transverse moving module 50 through fastening screws, and the transverse moving module 50 is provided with a longitudinal moving module 40.

[0075] The transverse moving module 50 comprises a sliding rail 501, and the sliding rail 501 is provided with a sliding block 502 used in cooperation, and the sliding block 502 is an electric sliding block of HX series. In use, the sliding block 502 is started to make the sliding block move transversely along the sliding rail 501.

[0076] Further, the longitudinal moving module 40 comprises a connecting frame 402, and the connecting frame 402 is fixedly arranged on the front end face of the sliding block 502 through fastening bolts.

[0077] Further, the longitudinal movement module 40 further comprises a telescopic hydraulic cylinder 401, the extending end of the telescopic hydraulic cylinder 401 extends into the connecting frame 402, and a longitudinal movement block 403 is fixedly installed on the extending end of the telescopic hydraulic cylinder 401 through fastening screws, and a sliding groove is formed in the inner side of the longitudinal movement block 403 and matched with the sliding rail arranged on the partition plate 406 of the connecting frame 402.

[0078] Further, a sliding material taking table 404 is fixedly installed on the front end face of the longitudinal movement block 403 extending out of the connecting frame 402 through fastening screws, and a plurality of material taking robots 70 are arranged on the sliding material taking table 404 away from the jacking and unloading device 30; the material taking robot 70 is a vacuum negative pressure material taking robot, and the material taking robot 70 itself can stably adsorb the voltage transformer, and at the same time, the sliding block 502 is started to drive the voltage transformer to move transversely along the sliding rail 501 until the voltage transformer moves to the positioning and clamping seat 901 of one of the positioning and clamping mechanisms 90, and then the staff manually operates the clamping mechanism to clamp the voltage transformer.

[0079] Further, the transition device (which is suitable for multi-core line insulation test) connected with the high-voltage generator is arranged on the sliding material taking table 404 close to the jacking and unloading device 30, and the high-voltage generator is connected through the transition device, and the connection between the transition device and the high-voltage generator is prior art, which will not be described in detail here, and can be referred to the document Multi-core line insulation voltage test method research.

[0080] In the embodiment, the material taking robot 70 itself can stably adsorb the voltage transformer, and at the same time, the sliding block 502 is started to drive the voltage transformer to move transversely along the sliding rail 501 until the voltage transformer moves to the positioning and clamping seat 901 of one of the positioning and clamping mechanisms 90, and then the staff places the voltage transformer between the two oppositely arranged clamping mechanisms, buckles the pressing connecting rod 905, so that the pressing piece 904 arranged on the pressing connecting rod 905 presses the top end face of the voltage transformer; then wires are used to connect the two terminals on the voltage transformer, and then the voltage transformer is connected to the transition device, and then the transition device is connected to the high-voltage generator, and then the voltage is raised to 42 kV, and the voltage is maintained for 60 s, if there is no flash and no breakdown, it is qualified.

[0081] Further, the supply device 80 is arranged on one side of the support frame 101, the supply device 80 comprises a support column 801 and a support platform 802 arranged on the support column 801, and a motor 803 is arranged on the support platform 802, and the sliding platform arranged on the sliding module is driven to move by the sliding module of the lead screw module 805 driven by the motor 803.

[0082] Further, the sliding platform 804 is used for placing the voltage transformer.

[0083] In the embodiment, by placing the voltage transformer on the sliding platform, when feeding, only the motor needs to be started, and the sliding platform is driven to move to the preset position by the motor 803 driving the lead screw module.

[0084] Further, the top lifting and unloading device 30 is arranged in front of the discharge port of the conveying mechanism 60, and the top lifting and unloading device 30 comprises a mounting seat 305 fixedly installed in the rack 102, a lifting hydraulic cylinder 304 arranged on the mounting seat 305, a discharging table 301 fixedly installed at the extending end of the lifting hydraulic cylinder 304, a placing rack 302 fixedly installed on the discharging table 301 by fastening screws, and a plurality of pressing columns arranged in the groove of the placing rack and made of rubber.

[0085] In actual application, the qualified voltage transformers after the insulation voltage test are conveyed to the conveying port by the conveying mechanism, and most of them are divided into qualified products and unqualified products by two groups of storage baskets; the products are prone to be stacked, which causes the quality of the voltage transformers to be reduced due to collision, extrusion and other reasons, and even the voltage transformers are damaged; by adding the top lifting and unloading device, the qualified products can be placed in the placing rack 302, so that the damage of the products can be effectively prevented, and when the detection of the second group of products is performed after the detection of the first group of products is completed, the placing rack 302 can be driven back to the rack by the lifting hydraulic cylinder of the top lifting and unloading device, so that the qualified voltage transformers can be effectively prevented from being stacked with dust and other impurities due to long waiting time.

[0086] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An insulation withstand test device for a voltage transformer, characterized by It comprises: a rack; and a moving device installed at the bottom end of the rack; a support frame arranged at the top end of the rack away from the moving device; a driving mechanism installed on the support frame, through which the driving mechanism drives the conveying mechanism to convey materials; a positioning and clamping mechanism arranged on the conveying belt of the conveying mechanism, the positioning and clamping mechanism comprising a positioning and clamping seat; a plurality of sets of clamping mechanisms arranged oppositely on the positioning and clamping seat, through which the clamping mechanisms clamp the voltage transformers placed on the positioning and clamping seat.

2. The insulation withstand voltage testing device for voltage transformers according to claim 1, wherein the clamping mechanism comprises a support seat, the support seat is installed on the positioning and clamping seat; the support seat away from the positioning and clamping seat is connected to a pressing connecting rod through a hinge connecting piece, and a clamping piece is arranged on the top end surface of the pressing connecting rod away from the positioning and clamping seat.

3. The insulation withstand voltage testing device for voltage transformers according to claim 2, wherein a pressing piece is arranged on the pressing connecting rod.

4. The insulation withstand voltage testing device for voltage transformers according to claim 1, wherein a transverse moving module is installed on the transverse end of the support column arranged on the rack, a longitudinal moving module is arranged on the transverse moving module; the transverse moving module comprises a sliding rail, and a sliding block is installed on the sliding rail in cooperation.

5. The insulation withstand voltage testing device for voltage transformers according to claim 4, wherein the longitudinal moving module comprises a connecting frame, and the connecting frame is installed on the front end surface of the sliding block.

6. The insulation withstand voltage testing device for voltage transformers according to claim 5, wherein the longitudinal moving module further comprises a telescopic hydraulic cylinder, the extending end of the telescopic hydraulic cylinder extends into the connecting frame, and a longitudinal moving block is installed, a sliding groove is formed in the inner side of the longitudinal moving block, and cooperates with the sliding rail arranged on the partition plate of the connecting frame.

7. The insulation withstand test device for a voltage transformer according to claim 6, characterized by, a sliding taking-out table is installed on the front end surface of the longitudinal moving block extending out of the connecting frame, and a plurality of taking-out robots are arranged on the sliding taking-out table away from the lifting unloading device.

8. The insulation withstand test device for a voltage transformer according to Claim 1, characterized by, a feeding device is arranged on one side of the support frame, the feeding device comprises a support column and a support platform arranged on the support column, a motor is arranged on the support platform, and the sliding module of the lead screw module driven by the motor drives the sliding platform arranged on the sliding module to move.

9. The insulation withstand test device for a voltage transformer according to Claim 1, wherein a lifting unloading device is arranged in front of the discharge port of the conveying mechanism, the lifting unloading device comprises a mounting seat, the mounting seat is installed in the rack, a lifting hydraulic cylinder is arranged on the mounting seat, an unloading table is installed on the extending end of the lifting hydraulic cylinder, a placing rack is installed on the unloading table, a plurality of pressing columns are arranged in the groove of the placing rack, and the pressing columns are made of rubber material.

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