Transformer telemetering insulation tool

Abstract

The utility model belongs to the technical field of transformer testing devices, and particularly relates to a transformer telemetering insulation tool which comprises a testing rod, a telescopic rod piece is inserted in the testing rod, the telescopic rod piece is formed by nesting a plurality of cylinder bodies with gradually reduced diameters, the lower surfaces of the cylinder bodies are fixedly connected with sealing pieces, and the sealing pieces are fixedly connected with the testing rod. An insulating block is fixedly connected to the top end of the cylinder in the center, a hook is fixedly connected to the top end of the insulating block, and an adjusting assembly is installed in the test rod; according to the utility model, the telescopic rod piece in a contraction state is stored through the test rod, the test rod is convenient to carry, gas is input into the test rod from the gas inlet end through the gas pump, the gas pushes the telescopic rod piece to extend outwards so as to increase the length, and the hook can be conveniently and remotely sent to a transformer lead for telemetering insulation; and an operator does not need to climb to hang an insulated wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer testing device technical field, concretely is a kind of transformer telemetering insulation tool. BACKGROUND

[0002] Transformer is a kind of device that changes alternating voltage according to electromagnetic induction principle, is the key basic equipment in the field of power transmission and distribution, has wide application in industry, agriculture, traffic and urban community and many fields.In power system, transformer telemetering insulation is one of important indexes to judge whether transformer can be safely put into use before power transmission.

[0003] At present, when telemetering insulation operation is carried out on transformer, operator usually needs to climb to the top of transformer with safety belt tied, to carry out detection work by hanging insulation wire.Although this way can achieve the basic telemetering insulation target, however, due to the layout of oil pipe on the top of transformer under prior art, and the unevenness of the top design, this leads to that operator not only faces the risk of climbing operation itself when carrying out climbing telemetering insulation operation, but also is potentially threatened by transformer oil pipe, thereby forming the security risk that cannot be ignored to the life and health of operator;Therefore, aiming at the above problems, a kind of transformer telemetering insulation tool is proposed. SUMMARY

[0004] In order to make up for the deficiency of prior art, solve the technical problems proposed above, the utility model provides a kind of transformer telemetering insulation tool.

[0005] The utility model discloses a kind of transformer telemetering insulation tools, including test rod, telescopic rod piece is inserted in the inside of test rod, the telescopic rod piece is made of several gradually reduced diameter cylinder nests, the lower surface of the cylinder is fixedly connected with sealing element, the top of the cylinder in center is fixedly connected with insulating block, the top of the insulating block is fixedly connected with hook, adjusting assembly is installed in the inside of test rod, the adjusting assembly includes air inlet end and air outlet end, the air inlet end and air outlet end are respectively fixedly set in the bottom of test rod, the air inlet end and air outlet end are respectively fixedly set with valve, the air inlet end is connected with air pump.

[0006] Preferably, the adjusting assembly further includes multistage telescopic rod, the multistage telescopic rod is located in the inside of the most central cylinder, the two ends of the multistage telescopic rod are fixedly connected with insulating block and the inner wall of test rod respectively, test rod, cylinder and multistage telescopic rod are made of light material.

[0007] Preferably, the adjusting assembly further includes several clamping grooves, several clamping grooves are respectively provided in the outer wall of insulating block and cylinder.

[0008] Preferably, the adjusting assembly further comprises a fixing frame fixedly installed on the upper side wall of the test rod, and a threaded column is threadedly connected to the surface of the fixing frame.

[0009] Preferably, the outer wall of the hook is provided with a wiring assembly, and the wiring assembly comprises a wiring board, and the inner wall of the wiring board is fixedly connected with the outer wall of the hook.

[0010] Preferably, a sliding groove is formed in the surface of the wiring board, and a sliding seat and a threaded connecting seat are slidably connected to the inner wall of the sliding groove, respectively; a first clamping column, a second clamping column and a third clamping column are fixedly connected to the surfaces of the wiring board, the sliding seat and the threaded connecting seat, respectively; and a clamping plate is fixedly connected to the outer wall of the third clamping column.

[0011] Preferably, the outer side of the second clamping column is provided with an insulating wire which is arranged in a bent manner.

[0012] Preferably, a lead screw is threadedly connected to the center of the threaded connecting seat, one end of the lead screw is rotatably connected to the inner side wall of the sliding groove through the sliding seat, and the other end of the lead screw penetrates through the wiring board and extends to the outside.

[0013] The utility model discloses the beneficial effect that:

[0014] 1. The utility model discloses a telescopic rod piece of test rod storage contraction state, convenient to carry, and the gas pump imports gas to the inside of test rod from the air inlet end, and the gas pushes the telescopic rod piece to expand outward to increase the length, and the hook is conveniently sent to the transformer lead place to carry out remote measurement insulation, so that the operator does not need to climb and hang the insulating wire.

[0015] 2. The utility model discloses the lead screw is rotated to make the first clamping column, the second clamping column and the third clamping column clamp the insulating wire, and the clamping plate moves to the outer wall of the first clamping column and the second clamping column and blocks the insulating wire, so that the insulating wire is prevented from falling off while being quickly connected. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the test rod and telescopic rod piece sectional view of the utility model;

[0019] Figure 3 It is the utility modelFigure 2 A schematic diagram of structure A;

[0020] Figure 4 This utility model Figure 2 A schematic diagram of the B structure;

[0021] Figure 5 This is a schematic diagram of the adjustment component structure of this utility model.

[0022] Figure 6 This is a schematic diagram of the wiring assembly structure of this utility model.

[0023] In the diagram: 1. Test rod; 2. Telescopic rod; 21. Cylinder; 22. Seal; 3. Insulating block; 4. Hook; 5. Adjustment assembly; 51. Air inlet; 52. Air outlet; 53. Air pump; 54. Multi-stage telescopic rod; 55. Slot; 56. Fixing bracket; 57. Threaded post; 6. Wiring assembly; 61. Wiring board; 62. Slide groove; 63. Sliding seat; 64. Threaded connection seat; 65. Clamping plate; 66. Lead screw; 67. Raised layer; 7. Insulating wire. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0025] Example 1

[0026] Please see Figures 1-5As shown, a transformer remote measurement insulation tool, including a test rod 1, a telescopic rod 2 is inserted into the test rod 1, the telescopic rod 2 is composed of several nested cylinders 21 with gradually reducing diameters, the lower surface of the cylinder 21 is fixedly connected with a sealing element 22, the top end of the cylinder 21 at the center is fixedly connected with an insulation block 3, the top end of the insulation block 3 is fixedly connected with a hook 4, the inside of the test rod 1 is provided with an adjusting assembly 5, the adjusting assembly 5 includes an air inlet end 51 and an air outlet end 52, the air inlet end 51 and the air outlet end 52 are fixedly arranged at the bottom end of the test rod 1 respectively, the air inlet end 51 and the air outlet end 52 are fixedly provided with valves respectively, the air inlet end 51 is air-connected with a gas pump 53, the gas pump 53 can be externally arranged or fixedly arranged in the inside of the test rod 1, when the gas pump 53 is fixedly arranged in the inside of the test rod 1, a controller and a charging interface are fixedly arranged on the outer wall of the test rod 1, the controller is electrically connected with the charging interface, a battery module and the gas pump 53, and the battery module is fixedly arranged in the inside of the test rod 1, the sealing element 22 adopts a sealing ring or a sealing piston ring, the sealing element 22 seals the connected cylinder 21 or the cylinder 21 and the test rod 1, to prevent air leakage.

[0027] Specifically, the telescopic rod 2 in the retracted state is received in the test rod 1, which is convenient for carrying, when remote measurement, the valve of the air outlet end 52 is closed and the valve of the air inlet end 51 is opened during testing, the gas pump 53 inputs gas into the inside of the test rod 1 from the air inlet end 51, and the gas pushes the telescopic rod 2 to stretch outward to increase the length, which is convenient for remotely sending the hook 4 to the transformer lead for remote measurement insulation, so that the operator does not need to climb and hang the insulation wire 7.

[0028] The adjusting assembly 5 further includes a multi-stage telescopic rod 54, which is located in the inside of the most central cylinder 21, the two ends of the multi-stage telescopic rod 54 are fixedly connected with the inner wall of the test rod 1 and the insulation block 3 respectively, the test rod 1, the cylinder 21 and the multi-stage telescopic rod 54 are made of lightweight materials, such as carbon fiber, so as to reduce the weight of the device and facilitate use.

[0029] The multi-stage telescopic rod 54 is used for longitudinally limiting the insulation block 3, to prevent the hook 4 from rotating during remote measurement and affecting the accuracy of hooking.

[0030] The adjusting assembly 5 further includes several clamping grooves 55, which are respectively formed in the outer walls of the insulation block 3 and the cylinder 21, the adjusting assembly 5 further includes a fixing frame 56, which is fixedly installed on the upper side wall of the test rod 1, and a threaded column 57 is threadedly connected with the surface of the fixing frame 56.

[0031] Specifically, by rotating the threaded post 57, it can be inserted into the slot 55. When the telescopic rod 2 is retracted inside the test rod 1, inserting the threaded post 57 into the slot 55 of the insulating block 3 can prevent the telescopic rod 2 from coming out of the test rod 1. In use, inserting the threaded post 57 into the corresponding slot 55 locks the cylinder 21 with the slot 55, thereby limiting the overall extension length of the device, which is convenient for remotely measuring transformers of various heights.

[0032] Example 2

[0033] For comparison with Example 1, please refer to Figure 6 As shown, this utility model provides another embodiment. A wiring assembly 6 is installed on the outer wall of the hook 4. The wiring assembly 6 includes a wiring plate 61. The inner wall of the wiring plate 61 is fixedly connected to the outer wall of the hook 4. A groove 62 is opened on the surface of the wiring plate 61. A sliding seat 63 and a threaded connection seat 64 are slidably connected to the inner wall of the groove 62. A locking post one, a locking post two, and a locking post three are fixedly connected to the surfaces of the wiring plate 61, the sliding seat 63, and the threaded connection seat 64, respectively. A locking plate 65 is fixedly connected to the outer wall of the locking post three. A bent insulating wire 7 is provided on the outer side of the locking post two. A lead screw 66 is threaded at the center of the threaded connection seat 64. One end of the lead screw 66 passes through the sliding seat 63 and is rotatably connected to the inner wall of the groove 62. The other end of the lead screw 66 passes through the wiring plate 61 and extends to the outside. The hook 4 and the wiring assembly 6 are made of iron material for conduction.

[0034] Specifically, when connecting the insulating wire 7, one end of the insulating wire 7 is folded into a U-shape and placed on the outside of the second clamp. The screw 66 is rotated to drive the threaded connecting seat 64 to move towards the sliding seat 63, and push the sliding seat 63 towards the first clamp, so that the first, second and third clamps clamp the insulating wire 7. At the same time, the clamping plate 65 moves to the outer wall of the first and second clamps to block the insulating wire 7, thereby effectively preventing the insulating wire 7 from falling off while quickly connecting the insulating wire 7. The hook 4 with the insulating wire 7 is then sent to the transformer lead to complete the remote insulation measurement.

[0035] The inner wall of the slide 62 is fixedly provided with a raised layer 67, and the surface of the threaded connection seat 64 is provided with a groove corresponding to the raised layer 67.

[0036] Specifically, the raised layer 67 is used to limit the movement distance of the sliding seat 63 and prevent the sliding seat 63 from moving to the inside of the card plate 65, and the groove is used for the threaded connection seat 64 to pass through the raised layer 67.

[0037] The parts of the device not covered herein are the same as or can be implemented using existing technologies.

[0038] The working principle is that the telescopic rod 2 in the retracted state is received in the test rod 1, facilitating carrying, when remote testing, the valve of the gas outlet end 52 is closed, the valve of the gas inlet end 51 is opened, the gas pump 53 inputs gas into the test rod 1 from the gas inlet end 51, and the gas pushes the telescopic rod 2 to extend outward, thereby increasing the length, facilitating remote sending of the hook 4 to the transformer lead for remote insulation testing, and the operator does not need to climb up to hang the insulating wire 7.

[0039] When the telescopic rod 2 is retracted in the test rod 1, the threaded column 57 is inserted into the clamping groove 55 of the insulating block 3, so that the telescopic rod 2 is prevented from being pulled out of the test rod 1, and when in use, the threaded column 57 is inserted into the corresponding clamping groove 55, the cylinder 21 provided with the clamping groove 55 is locked, so that the overall extension length of the device can be limited, and remote testing of transformers at various heights is facilitated.

[0040] When the insulating wire 7 is connected, one end of the insulating wire 7 is folded into a U shape and placed outside the clamping column two, the screw rod 66 drives the threaded connecting seat 64 to move towards the sliding seat 63, and the sliding seat 63 is pushed to move towards the clamping column one, so that the clamping column one, the clamping column two and the clamping column three clamp the insulating wire 7, and the clamping plate 65 moves to the outer wall of the clamping column one and the clamping column two to block the insulating wire 7, thereby quickly connecting the insulating wire 7 while effectively preventing the insulating wire 7 from falling off, and the hook 4 connected with the insulating wire 7 is sent to the transformer lead to complete the remote insulation testing.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction 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 one or more embodiments or examples in a suitable manner.

[0042] The basic principles, main features and advantages of the present application have been shown and described. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only illustrative of the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A transformer remote insulation measurement tool, comprising a test rod (1), characterized in that: The test rod (1) is internally connected to a telescopic rod (2), which is composed of several nested cylinders (21) with gradually decreasing diameters. A sealing element (22) is fixedly connected to the lower surface of the cylinder (21), and an insulating block (3) is fixedly connected to the top of the cylinder (21) at the center. A hook (4) is fixedly connected to the top of the insulating block (3). An adjustment component (5) is installed inside the test rod (1). The adjustment component (5) includes an air inlet (51) and an air outlet (52). The air inlet (51) and the air outlet (52) are respectively fixedly installed at the bottom of the test rod (1). Valves are fixedly installed at the air inlet (51) and the air outlet (52). An air pump (53) is connected to the air inlet (51).

2. The transformer remote sensing insulation tool according to claim 1, characterized in that: The adjustment assembly (5) also includes a multi-stage telescopic rod (54), which is located inside the innermost cylinder (21). The two ends of the multi-stage telescopic rod (54) are fixedly connected to the inner walls of the insulating block (3) and the test rod (1), respectively. The test rod (1), the cylinder (21) and the multi-stage telescopic rod (54) are made of lightweight materials.

3. The transformer remote sensing insulation tool according to claim 1, characterized in that: The adjustment component (5) also includes several slots (55), which are respectively opened on the outer walls of the insulating block (3) and the cylinder (21).

4. The transformer remote sensing insulation tool according to claim 1, characterized in that: The adjustment assembly (5) also includes a fixing bracket (56), which is fixedly installed on the upper side wall of the test rod (1), and the surface of the fixing bracket (56) is threaded with a threaded post (57).

5. The transformer remote sensing insulation tool according to claim 1, characterized in that: The hook (4) is equipped with a wiring assembly (6) on its outer wall. The wiring assembly (6) includes a wiring plate (61), and the inner wall of the wiring plate (61) is fixedly connected to the outer wall of the hook (4).

6. The transformer remote sensing insulation tool according to claim 5, characterized in that: The surface of the terminal block (61) is provided with a sliding groove (62). The inner wall of the sliding groove (62) is slidably connected to a sliding seat (63) and a threaded connecting seat (64). The surfaces of the terminal block (61), the sliding seat (63) and the threaded connecting seat (64) are respectively fixedly connected to a locking post one, a locking post two and a locking post three. The outer wall of the locking post three is fixedly connected to a locking plate (65).

7. The transformer remote sensing insulation tool according to claim 6, characterized in that: An insulating wire (7) with a bend is provided on the outer side of the second card post.

8. The transformer remote sensing insulation tool according to claim 6, characterized in that: A lead screw (66) is threaded at the center of the threaded connector (64). One end of the lead screw (66) passes through the sliding seat (63) and is rotatably connected to the inner wall of the slide groove (62). The other end of the lead screw (66) passes through the terminal block (61) and extends to the outside.

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