Portable test hanging rod made of composite material

Abstract

The invention relates to the technical field of electrical equipment tests, in particular to a portable test hanging rod made of composite materials, which comprises a box body and a test hanging rod arranged in the box body, and the test hanging rod comprises an insulating grip arranged at the bottom and a telescopic support rod arranged at the upper end of the insulating grip. The test rod head comprises a telescopic support rod, an insulating grip arranged at the upper end of the telescopic support rod, an insulating connector arranged at the upper end of the telescopic support rod, a top clamping head arranged at the upper end of the insulating connector, and a test rod head body arranged at the upper end of the top clamping head, the whole telescopic supporting rod is made of carbon and is composed of a plurality of sections of rod bodies, and the insulation connector is made of materials with high insulation performance. The carbon rod has the advantages that the rod body is made of the light-weight and high-strength carbon material, the overall weight of the rod body is reduced, and the insulating strength is guaranteed through the arrangement of the insulating grip and the top insulating joint.

Description

Technical Field

[0001] The invention relates to the technical field of power equipment testing, in particular to a portable test hooking rod made of composite materials. Background Art

[0002] Power equipment plays a key role in the power system. Its failure may cause unstable operation of the entire power system. Therefore, it is necessary to be able to repair the faulty equipment in the shortest time possible, prevent the fault from expanding, reduce the occurrence of safety accidents, eliminate the fault in time, ensure the safe operation of the equipment, and maintain the stable operation of the power system.

[0003] The test hanging rod is one of the most frequently used safety tools in power outage tests. The main part is made of insulating materials such as glass fiber, epoxy resin, etc. It has good insulation properties and can block the effects of high-voltage electric fields. It is mainly used for test wiring of equipment such as circuit breakers, voltage transformers, current transformers, lightning arresters, and reactors. The use of hanging rods for on-site test wiring does not require aerial vehicles and avoids high-altitude operations, which can save a lot of manpower and material resources. The test hanging rods currently used are mainly made of glass fiber and epoxy resin. Although they have excellent insulation properties, they have disadvantages such as large mass, low strength, and inconvenience in use.

[0004] Therefore, in order to solve the above problems, we propose a portable test hook rod made of composite materials. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a portable test hook rod made of a composite material with a light and strong carbon material to reduce the overall weight of the rod body, and to be equipped with an insulating handle and an insulating top connection to ensure insulation strength, thereby solving the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a portable test hanging rod made of a composite material, which includes a box body and a test hanging rod arranged inside the box body, the test hanging rod includes an insulating handle arranged at the bottom, a retractable support rod arranged at the upper end of the insulating handle, an insulating connector arranged at the upper end of the retractable support rod, a top clamp arranged at the upper end of the insulating connector, and a test rod head body arranged at the upper end of the top clamp, the insulating handle is made of a high-insulating rubber, silicone, and polyvinyl chloride polymer synthetic mixture material, the retractable support rod is made of carbon as a whole and consists of multiple sections of rod body, the insulating connector is made of a material with high insulation performance, and the upper end of the top clamp can be respectively connected to the test rod head body and the metal operating head.

[0007] Preferably, the insulating handle includes an insulating sleeve, a hand guard and a first connecting threaded column, the insulating sleeve is wrapped around the bottom of the insulating handle, the hand guard is arranged on the top of the insulating sleeve arranged on the surface of the insulating handle, the first connecting threaded column is arranged in the middle of the hand guard on the top of the insulating handle, and the first connecting threaded column is threadedly connected to the bottom of the retractable support rod.

[0008] Preferably, the retractable support rod includes a first rod body, a second rod body and a third rod body, a first connecting groove is provided at the lower end of the first rod body, the first connecting groove is embedded in the first connecting threaded column, the insides of the first rod body and the second rod body are provided with internal threads, the lower ends of the second rod body and the third rod body are provided with external threads in the internal threads, the upper end of the third rod body is connected to the insulating connector, and the top surfaces of the first rod body, the second rod body and the third rod body are provided with luminous identification stickers.

[0009] Preferably, the insulating connector includes a second connecting groove arranged at the lower end and connected to the third rod body, a third connecting groove arranged at the upper end of the insulating connector and connected to the top clamp, and a locking rotating cover arranged on the outer side of the top of the insulating connector.

[0010] Preferably, the top clamp includes a second connecting threaded column, a locking rotary buckle and a fourth connecting groove, the lower end of the second connecting threaded column is arranged inside the third connecting groove by a rotating clamp, the locking rotary buckle is tightly connected to the locking rotary cover at the top of the insulating connector by a thread, and the upper end of the fourth connecting groove is respectively connected to the test rod head body and the first rod body.

[0011] Preferably, the test rod head body and the lower end of the metal operating head are both provided with a third connecting threaded column, and the third connecting threaded column is threadedly connected to the fourth connecting groove.

[0012] Preferably, the test rod head body further comprises a movable groove arranged on the inner side, wherein wire fixing clamps are symmetrically arranged in the movable groove, electrodes are arranged on symmetrical surfaces of the two wire fixing clamps, and the two wire fixing clamps are further provided with springs in the movable groove.

[0013] Preferably, the test rod head body also includes a wiring terminal arranged on the outside of the third connecting threaded column, and the wiring terminal is connected to the electrode arranged in the wire clamp through a spring on the test rod head body.

[0014] Preferably, the metal operating head is composed of multiple groups of rods in hammer-shaped, herringbone-shaped, L-shaped and U-shaped shapes.

[0015] Preferably, a mounting groove is provided in the box body, and the mounting groove can accommodate and place the insulating handle, the retractable support rod, the insulating connector, the top clamp and the test rod head body.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention adopts carbon and glass fiber as the whole device, so that the test hanging rod can achieve the purposes of high strength, simple structure, lightness and practicality. The top clamp connected to the upper end of the insulating connector can be used to replace and install the test rod head body or the metal operating head, which is convenient for selecting the test hanging rod body for different situations according to actual needs, thereby improving the applicability and flexibility of the connector, and the simple structure can be quickly connected and disassembled, thereby improving work efficiency.

[0017] 2. The present invention is aimed at the mechanical characteristics test of the circuit breaker. The top rod head structure can automatically fix and clamp the wire without human support, thereby improving work efficiency and safety, reducing working time and labor costs, and meeting the problem of inconvenience in connecting the test line during on-site operations. At the same time, considering that the test hanging rods are all carried out under power outage tests, the main risk of electric shock under normal operation comes from induced electricity. Taking the 500kV single switch power outage with the largest induced electricity as an example, the induced electricity at both ends of the break is below 10kV, and a short-distance conventional insulating rod can withstand this voltage. Therefore, the rod body can adopt a design structure of "insulated handle, carbon support, and top insulating connection". On the one hand, it can reduce the overall mass of the rod body and reduce labor costs. On the other hand, it can ensure insulation strength and protect personal safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a front view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the insulating handle structure of the present invention; Figure 4 It is a schematic diagram of the internal structure of the telescopic support rod of the present invention; Figure 5 It is a schematic diagram of the cross-sectional structure of the insulating connector of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the top clamp of the present invention; Figure 7 It is a schematic diagram of the structure of the test club head body of the present invention; Figure 8 It is a schematic diagram of the structure of the metal operating head of the present invention; Fig. 9 It is a schematic diagram of the overall structure of the box body of the present invention.

[0019] Explanations in the figure: 1. Insulated handle; 2. Retractable support rod; 3. Insulated connector; 4. Top clamp; 5. Test rod head body; 6. Insulating sleeve; 7. Hand guard; 8. First rod body; 9. Second rod body; 10. Third rod body; 11. Luminous identification sticker; 12. First connecting threaded column; 13. First connecting groove; 14. Internal thread; 15. External thread; 16. Second connecting groove; 17. Third connecting groove; 18. Locking rotating cover; 19. Second connecting threaded column; 20. Locking rotating buckle; 21. Fourth connecting groove; 22. Third connecting threaded column; 23. Terminal block; 24. Movable groove; 25. Wire clamp; 26. Electrode; 27. Spring; 28. Metal operating head; 29. ​​Box; 30. Installation groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0021] like Figure 1-8 As shown, this embodiment discloses a portable test hanging rod of composite material, which includes a box body 29 and a test hanging rod arranged inside the box body 29, the test hanging rod includes an insulating handle 1 arranged at the bottom, a retractable support rod 2 arranged at the upper end of the insulating handle 1, an insulating connector 3 arranged at the upper end of the retractable support rod 2, a top clamp 4 arranged at the upper end of the insulating connector 3, and a test rod head body 5 arranged at the upper end of the top clamp 4, the insulating handle 1 is made of a synthetic mixture of rubber, silicone, and polyvinyl chloride polymer with high insulation performance, the retractable support rod 2 is made of carbon as a whole and consists of a multi-section rod body, the insulating connector 3 is made of a material with high insulation performance, and the upper end of the top clamp 4 can be connected to the test rod head body 5 and the metal operating head 28 respectively; Among them, the lower ends of the test rod head body 5 and the metal operating head 28 are both provided with a third connecting threaded column 22, and the third connecting threaded column 22 is threadedly connected to the fourth connecting groove 21. The test rod head body 5 also includes a movable groove 24 arranged on the inner side, and the movable groove 24 is symmetrically provided with wire clamps 25. The symmetric surfaces of the two wire clamps 25 are both provided with electrodes 26. The two wire clamps 25 are also provided with springs 27 in the movable groove 24. The test rod head body 5 also includes a wiring terminal 23 arranged on the outer side of the third connecting threaded column 22. The wiring terminal 23 is connected to the electrode 26 arranged in the wire clamp 25 through the spring 27 in the test rod head body 5. The metal operating head 28 is composed of multiple rod bodies in hammer head shape, herringbone shape, L shape and U shape. An installation groove 30 is arranged in the box body 29. The installation groove 30 can accommodate the insulating handle 1, the telescopic support rod 2, the insulating connector 3, the top clamp 4 and the test rod head body 5.

[0022] In this embodiment, a composite material portable test hook rod is formed by an insulating handle 1, a retractable support rod 2, an insulating connector 3 and a top clamp 4; In this embodiment, the insulating handle 1 is an insulating protective cover for wrapping the tool handle to prevent the operator from electric shock when using the tool, and is made of a synthetic mixture of rubber, silicone, and polyvinyl chloride polymer with high insulation performance. The insulating handle 1 can provide reliable insulation protection for the operator to ensure personal safety. In this embodiment, the retractable support rod 2 is a rod-shaped structure with a retractable function, which is used to provide support and stability. It is made of carbon as a whole. Carbon has high strength, is not easy to damage, and is relatively light in weight. It can effectively reduce the overall weight of the device while ensuring the safety of the operation. It is composed of multiple sections of rod bodies, and the length is adjusted through the internal telescopic mechanism. It is responsible for hanging the test line on the high-altitude cable and providing stable support and fixation. The design is up to 10 meters retractable and fixed. The hanging structure on the top of the device can be clamped and fixed. After the staff completes the hanging of the test line, it is clamped and fixed. A single person can complete the operation, and the whole is retractable; In this embodiment, the insulating connector 3 needs to be connected to about 0.5 meters of insulating material at the top of the device because the carbon body is not an insulating material. The insulating connector 3 is a connector with insulating performance, made of a material with high insulating performance, and can withstand a higher voltage level to ensure safe connection between electrical devices. At the same time, the insulating connector 3 has a simple structure and is easy to operate. It can be quickly connected and disassembled, thereby improving work efficiency. In this embodiment, the top clamp 4 is a buckle structure installed on the top of the insulating connector 3, which is used to fix and connect the insulating part of the operating rod and the test hanging rod. The top clamp is composed of a buckle body, a clamping groove, and a screw thread. It can connect two types of rod heads, namely the test rod head body 5 and the metal operating head 28. The test rod head body 5 is a top rod head structure that can automatically fix and clamp the wire. Example

[0023] like Figure 1-9 As shown, this embodiment discloses a portable test hook rod of composite material, which includes a box body 29 and a test hook rod arranged inside the box body 29, characterized in that: the test hook rod includes an insulating handle 1 arranged at the bottom, a retractable support rod 2 arranged at the upper end of the insulating handle 1, an insulating connector 3 arranged at the upper end of the retractable support rod 2, a top clamp 4 arranged at the upper end of the insulating connector 3, and a test rod head body 5 arranged at the upper end of the top clamp 4, the insulating handle 1 is made of a synthetic mixture of rubber, silicone, and polyvinyl chloride polymer with high insulation performance, the retractable support rod 2 is made of carbon as a whole and consists of a multi-section rod body, the insulating connector 3 is made of a material with high insulation performance, and the upper end of the top clamp 4 can be connected to the test rod head body 5 and the metal operating head 28 respectively; Specifically, the insulating handle 1 includes an insulating sleeve 6, a hand guard 7 and a first connecting threaded column 12. The insulating sleeve 6 is wrapped and arranged at the bottom of the insulating handle 1 in a winding manner. The hand guard 7 is arranged on the top of the insulating sleeve 6 arranged on the surface of the insulating handle 1. The first connecting threaded column 12 is arranged in the middle of the hand guard 7 at the top of the insulating handle 1. The first connecting threaded column 12 is threadedly connected to the bottom of the telescopic support rod 2 to prevent the operator from electric shock when using the tool. Specifically, the telescopic support rod 2 includes a first rod body 8, a second rod body 9 and a third rod body 10. The first rod body 8 is provided with a first connecting groove 13 at the lower end, and the first connecting groove 13 is embedded and connected with the first connecting threaded column 12. The inner sides of the first rod body 8 and the second rod body 9 are provided with internal threads 14. The lower ends of the second rod body 9 and the third rod body 10 are provided with external threads 15 in the internal threads 14. The upper end of the third rod body 10 is connected to the insulating connector 3. The top surfaces of the first rod body 8, the second rod body 9 and the third rod body 10 are provided with luminous identification stickers 11 to provide support and stability. Specifically, the insulating connector 3 includes a second connecting groove 16 disposed at the lower end and connected to the third rod body 10, a third connecting groove 17 disposed at the upper end of the insulating connector 3 and connected to the top clamp 4, and a locking rotating cover 18 disposed on the outer side of the top of the insulating connector 3, which is used for connecting the operating rod and the head buckle; Specifically, the top clamp 4 includes a second connecting threaded column 19, a locking rotary buckle 20 and a fourth connecting groove 21. The lower end of the second connecting threaded column 19 is arranged inside the third connecting groove 17 by a rotating clamp. The locking rotary buckle 20 is tightly connected to the locking rotary cover 18 at the top of the insulating connector 3 by a thread. The upper end of the fourth connecting groove 21 is respectively connected to the test rod head body 5 and the first rod body 8, which are used to fix and connect the insulating part of the operating rod and the test hanging rod.

[0024] Specifically, the lower ends of the test rod head body 5 and the metal operating head 28 are both provided with a third connecting threaded column 22, and the third connecting threaded column 22 is threadedly connected to the fourth connecting groove 21. The test rod head body 5 also includes a movable groove 24 arranged on the inner side, and the movable groove 24 is symmetrically provided with wire clamps 25. The symmetrical surfaces of the two wire clamps 25 are both provided with electrodes 26. The two wire clamps 25 are also provided with springs 27 in the movable groove 24. The test rod head body 5 also includes a wiring terminal 23 arranged on the outer side of the third connecting threaded column 22. The wiring terminal 23 is connected to the electrode 26 arranged in the wire clamp 25 through the spring 27 in the test rod head body 5. The metal operating head 28 is composed of multiple groups of rod bodies in hammer head shape, herringbone shape, L shape and U shape. By setting multiple groups of rod bodies, it can meet the problem of inconvenience in connecting the test line during on-site operations.

[0025] Specifically, a mounting groove 30 is provided in the box body 29, and the mounting groove 30 can accommodate and place the insulating handle 1, the retractable support rod 2, the insulating connector 3, the top clamp 4 and the test rod head body 5, so as to make it more convenient to carry the test hanging rod.

[0026] At the same time, the composite portable test hanging rod uses light and strong carbon material to make the rod body, reducing the overall weight of the rod body, and is equipped with an insulating handle and an insulating connection on the top to ensure the insulation strength. A snap-on clamp is used for circuit breaker testing, which fully matches the technical relationship between them and combines the actual usage to achieve the purpose of circuit breaker testing.

[0027] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A portable test hook rod made of composite material, comprising a box (29) and a test hook rod arranged inside the box (29), characterized in that: The test hook rod comprises an insulating handle (1) arranged at the bottom, a retractable support rod (2) arranged at the upper end of the insulating handle (1), an insulating connector (3) arranged at the upper end of the retractable support rod (2), a top clamp (4) arranged at the upper end of the insulating connector (3), and a test rod head body (5) arranged at the upper end of the top clamp (4). The insulating handle (1) is made of a synthetic mixture of high-insulating rubber, silicone and polyvinyl chloride polymers. The retractable support rod (2) is made of carbon as a whole and consists of a plurality of rod sections. The insulating connector (3) is made of a material with high insulating properties. The upper end of the top clamp (4) can be connected to the test rod head body (5) and the metal operating head (28) respectively.

2. A portable test hook rod made of composite material according to claim 1, characterized in that: The insulating handle (1) comprises an insulating sleeve (6), a hand guard (7) and a first connecting threaded column (12); the insulating sleeve (6) is arranged on the bottom of the insulating handle (1) in a winding manner; the hand guard (7) is arranged on the top of the insulating sleeve (6) arranged on the surface of the insulating handle (1); the first connecting threaded column (12) is arranged in the middle of the hand guard (7) at the top of the insulating handle (1); and the first connecting threaded column (12) is threadedly connected to the bottom of the telescopic support rod (2).

3. A portable test hook rod made of composite material according to claim 2, characterized in that: The telescopic support rod (2) comprises a first rod body (8), a second rod body (9) and a third rod body (10); a first connecting groove (13) is provided at the lower end of the first rod body (8); the first connecting groove (13) is embedded in the first connecting threaded column (12); internal threads (14) are provided on the inner sides of the first rod body (8) and the second rod body (9); external threads (15) are provided at the lower ends of the second rod body (9) and the third rod body (10) in the internal threads (14); the upper end of the third rod body (10) is connected to the insulating connector (3); and luminous identification stickers (11) are provided on the top surfaces of the first rod body (8), the second rod body (9) and the third rod body (10).

4. A portable test hook rod made of composite material according to claim 3, characterized in that: The insulating connector (3) comprises a second connecting groove (16) arranged at the lower end and connected to the third rod body (10), a third connecting groove (17) arranged at the upper end of the insulating connector (3) and connected to the top clamp (4), and a locking rotating cover (18) arranged on the outer side of the top of the insulating connector (3).

5. A portable test hook rod made of composite material according to claim 4, characterized in that: The top clamp (4) comprises a second connecting threaded column (19), a locking rotating buckle (20) and a fourth connecting groove (21); the lower end of the second connecting threaded column (19) is arranged inside the third connecting groove (17) by means of a rotating clamp; the locking rotating buckle (20) is tightly connected to the locking rotating cover (18) at the top of the insulating connector (3) by means of a thread; and the upper end of the fourth connecting groove (21) is respectively connected to the test rod head body (5) and the first rod body (8).

6. A portable test hook rod made of composite material according to claim 5, characterized in that: The lower ends of the test rod head body (5) and the metal operating head (28) are both provided with a third connecting threaded column (22), and the third connecting threaded column (22) is threadedly connected to the fourth connecting groove (21).

7. A portable test hook rod made of composite material according to claim 6, characterized in that: The test rod head body (5) further comprises a movable groove (24) arranged on the inner side, wherein the movable groove (24) has line fixing clamps (25) symmetrically arranged therein, and electrodes (26) are arranged on symmetrical surfaces of the two line fixing clamps (25), and the two line fixing clamps (25) are further provided with springs (27) in the movable groove (24).

8. A portable test hook rod made of composite material according to claim 7, characterized in that: The test rod head body (5) further comprises a connection terminal (23) arranged outside the third connection threaded column (22); the connection terminal (23) passes through a spring (27) on the test rod head body (5) and is connected to an electrode (26) arranged inside the wire clamp (25).

9. The portable test hook rod made of composite material according to claim 6, characterized in that: The metal operating head (28) is composed of multiple groups of rod bodies in hammer-shaped, herringbone-shaped, L-shaped and U-shaped shapes.

10. The portable test hook rod made of composite material according to claim 1, characterized in that: The box body (29) is provided with a mounting groove (30), and the mounting groove (30) can accommodate and place the insulating handle (1), the telescopic support rod (2), the insulating connector (3), the top clamp (4) and the test rod head body (5).

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