Lightning arrester matched with insulating cross arm

Abstract

The utility model relates to the technical field of lightning arresters, in particular to a matched insulated cross arm lightning arrester, which is mounted on a telegraph pole and comprises a cross arm body, a first mounting mechanism, a support plate, a mounting bracket, a second mounting mechanism, a fixing port, a thermal explosion disconnector, a lightning arrester body and a fixing mechanism, the insulator supporting cross arm adopts internal and external insulation treatment, the first mounting mechanism is arranged on the cross arm body and used for fixing the cross arm body to a telegraph pole, the multiple supporting plates are fixedly arranged on the cross arm body, and the mounting support is arranged on the cross arm body. And the thermal explosion disconnector and the lightning arrester body can be conveniently installed and fixed through movement and rotation of the driving ring, so that the problem of relatively low installation efficiency of the lightning arrester and the thermal explosion disconnector in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning arresters, in particular to a matching insulating cross-arm lightning arrester. Background Art

[0002] With the rapid development of my country's electrical science and technology, we are committed to strengthening the country through science and technology, and developing the country through science and technology. While many technologies are entering a new stage, the development of the power system and equipment in its field cannot be ignored. It is closely related to the development of industry, agriculture, etc. At present, the country has made large investments in power grids and has a great demand for crossarms.

[0003] In the prior art, when installing lightning arresters and thermal explosion disconnectors, insulating crossarms are usually fastened with screws. The stability of the screws is not strong, and the lightning arrester often needs to be installed at high altitude, which is not convenient for screwing multiple bolts in sequence. In addition, the subsequent maintenance work needs to be removed one by one, which wastes maintenance time and causes great inconvenience. Utility Model Content

[0004] The utility model provides a matching insulating cross-arm arrester, which solves the problem of low installation efficiency of the arrester and the thermal explosion disconnector in the prior art.

[0005] The technical solution of the utility model is as follows: a matching insulating cross-arm arrester, installed on a power pole, comprising a cross-arm body, a first mounting mechanism, a support plate, a mounting bracket, a second mounting mechanism, a fixing port, a thermal explosion disconnector, an arrester body and a fixing mechanism;

[0006] The cross arm body is arranged on one side of the electric pole;

[0007] The first mounting mechanism is disposed on the cross arm body and is used to fix the cross arm body on the electric pole;

[0008] The support plates are provided in plurality, and the plurality of support plates are fixedly arranged on the cross arm body;

[0009] The mounting bracket is arranged on the cross arm body;

[0010] The second mounting mechanism is disposed on the mounting bracket and is used to mount and fix the mounting bracket;

[0011] The fixing opening is provided on the mounting bracket;

[0012] The thermal explosion release device is arranged on the mounting bracket corresponding to the fixing port;

[0013] The arrester body is arranged on the mounting bracket corresponding to the fixing opening;

[0014] Wherein, the thermal explosion disconnector and the arrester body are respectively arranged on both sides of the mounting bracket;

[0015] The fixing mechanism is arranged on the arrester body and is used to fix the thermal explosion disconnector and the arrester body on the mounting bracket respectively.

[0016] Preferably, the first mounting mechanism comprises:

[0017] A U-shaped frame, the U-shaped frame is arranged on a side of the electric pole away from the cross arm body;

[0018] A first mounting plate, wherein two first mounting plates are provided, and the two first mounting plates are fixedly provided at two ends of the U-shaped frame;

[0019] The first mounting bolt is threadably mounted between the first mounting plate and the cross arm body.

[0020] Furthermore, the second mounting mechanism includes:

[0021] A mounting groove, the mounting groove is provided on the mounting bracket, and the mounting groove is adapted to the cross arm body;

[0022] a second mounting plate, the second mounting plate being arranged on the mounting bracket corresponding to the mounting slot;

[0023] The second mounting bolt is threadably mounted on the second mounting plate and the mounting bracket.

[0024] Furthermore, the fixing mechanism includes:

[0025] A base, the base being fixedly arranged on the arrester body;

[0026] A fixing groove, the fixing groove being arranged on the base corresponding to the fixing opening;

[0027] A fixed column, wherein the fixed column is fixedly arranged on the thermal explosion disconnector;

[0028] A fixed plate, the fixed plate is fixedly arranged on the fixed column;

[0029] A positioning groove, wherein the positioning groove is provided in plurality, and the plurality of positioning grooves are arranged on the side wall of the fixing groove;

[0030] A positioning block, the positioning block is arranged in the positioning groove;

[0031] A positioning plate, wherein two positioning plates are hingedly provided between each positioning block and the bottom of the positioning groove;

[0032] A driving mechanism is arranged on the base and is used to control the positioning block to adjust the position.

[0033] Furthermore, the driving mechanism comprises:

[0034] an annular groove, the annular groove being arranged on the side wall of the fixing groove;

[0035] A positioning ring, the positioning ring is slidably disposed in the annular groove, and the positioning ring is in contact with the positioning block;

[0036] A threaded rod, wherein the threaded rod is provided in plurality, the plurality of threaded rods are rotatably disposed in the annular groove, and the threaded rod passes through the positioning ring through threaded engagement;

[0037] A driving groove, the driving groove is arranged on the side wall of the base;

[0038] A first gear, the first gear being arranged on the side wall of the driving groove for rotation corresponding to the threaded rod, and the first gear being fixedly connected to the threaded rod;

[0039] a drive ring, the drive ring being disposed in the drive groove;

[0040] an annular rack, the annular rack being fixedly disposed on the inner wall of the driving ring and meshing with the first gear;

[0041] A limiting mechanism is arranged in the driving groove and is used to limit the driving ring.

[0042] On the basis of the above solution, the limiting mechanism includes:

[0043] A limit block, the limit block is fixedly arranged on a side wall of the driving slot away from the arrester body;

[0044] A limiting groove, wherein the limiting groove is arranged on the driving ring;

[0045] A limit spring is fixedly arranged on a side wall of the driving groove close to the arrester body, and the limit spring is in contact with the driving ring.

[0046] The working principle and beneficial effects of the utility model are:

[0047] 1. In the present invention, the first installation mechanism is used to facilitate the U-shaped frame and the cross arm body to be respectively arranged on both sides of the electric pole, and then the U-shaped frame and the cross arm body are installed and fixed by the first installation bolt, so that the cross arm body is fixed on the electric pole;

[0048] 2. In the present invention, the second mounting mechanism is provided to facilitate installation of the second mounting plate by the second mounting bolt after the cross arm body is inserted into the mounting groove, thereby fixing the mounting bracket on the cross arm body by the cooperation between the second mounting plate and the side wall of the mounting groove;

[0049] 3. In the present invention, through the setting of the fixing mechanism, the operator places the thermal explosion disconnector and the arrester body on the mounting bracket respectively, so that the fixing column and the fixing plate extend into the fixing groove through the fixing opening, and then the positioning block is controlled to move by the driving mechanism, so that the mounting bracket, the thermal explosion disconnector and the arrester body are installed and fixed by squeezing the fixing plate by the positioning block;

[0050] 4. In the utility model, through the setting of the driving mechanism, the rotation of the driving ring can drive the threaded rod to rotate through the meshing of the annular rack and the first gear, and at the same time, the threaded rod and the positioning ring are matched to drive the positioning ring to move, so that the positioning block can be squeezed by the positioning ring, thereby realizing the position adjustment of the positioning block;

[0051] 5. In the present invention, the setting of the limiting mechanism facilitates the limiting of the driving ring through the cooperation between the limiting block and the limiting groove;

[0052] 6. In the utility model, through the arrangement of the cross arm body, the first mounting mechanism, the support plate, the mounting bracket, the second mounting mechanism, the fixing port, the thermal explosion disconnector, the arrester body and the fixing mechanism, it is convenient to install and fix the thermal explosion disconnector and the arrester body by moving and rotating the drive ring, thereby solving the problem of low installation efficiency of the arrester and the thermal explosion disconnector in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0054] Figure 1 It is a schematic diagram of the structure of the utility model;

[0055] Figure 2 This is a schematic diagram of the mounting bracket structure of the utility model;

[0056] Figure 3 This is a schematic diagram of the structure of the thermal explosion release device of the utility model;

[0057] Figure 4 This is a schematic diagram of the cross-sectional structure of the arrester body of the utility model;

[0058] Figure 5 It is a schematic diagram of the fixing mechanism structure of the utility model.

[0059] In the figure: 1. cross arm body; 2. support plate; 3. mounting bracket; 4. thermal explosion disconnector; 5. lightning arrester body; 6. U-shaped frame; 7. first mounting plate; 8. second mounting plate; 9. base; 10. fixing column; 11. fixing plate; 12. positioning block; 13. positioning plate; 14. positioning ring; 15. threaded rod; 16. first gear; 17. driving ring; 18. limiting groove; 19. limiting spring. DETAILED DESCRIPTION

[0060] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0061] like Figure 1 to Figure 5 As shown, this embodiment proposes a matching insulating cross-arm arrester, which is installed on a utility pole, including a cross-arm body 1, a first mounting mechanism, a support plate 2, a mounting bracket 3, a second mounting mechanism, a fixing port, a thermal explosion disconnector 4, a lightning arrester body 5 and a fixing mechanism. The cross-arm body 1 is arranged on one side of the utility pole, and the insulator supporting the cross-arm adopts internal and external insulation treatment. The first mounting mechanism is arranged on the cross-arm body 1, and is used to fix the cross-arm body 1 on the utility pole. The support plate 2 is provided in plurality, and the plurality of support plates 2 are fixedly arranged on the cross-arm body 1. The mounting bracket 3 is arranged on the cross-arm body 1. The second mounting mechanism is arranged on the mounting bracket 3, and is used to install and fix the mounting bracket 3. The fixing port is provided on the mounting bracket 3, the thermal explosion disconnector 4 is arranged on the mounting bracket 3 corresponding to the fixing port, the surface of the thermal explosion disconnector 4 is wrapped with insulating silicone rubber, which effectively prevents the surface from being damaged by collision or strong impact, and at the same time can reduce the fragmentation and scattering area when it explodes, the lightning arrester body 5 is arranged on the mounting bracket 3 corresponding to the fixing port, the lightning arrester adopts an external gap discharge design, the connection between the lightning arrester and the main line is divided into hard and soft connections, the connection is a puncture type connection, and the surface is equipped with an insulating shield, wherein the thermal explosion disconnector 4 and the lightning arrester body 5 are respectively arranged on both sides of the mounting bracket 3, and the fixing mechanism is arranged on the lightning arrester body 5, which is used to fix the thermal explosion disconnector 4 and the lightning arrester body 5 on the mounting bracket 3 respectively.

[0062] Among them, the first mounting mechanism includes a U-shaped frame 6, a first mounting plate 7 and a first mounting bolt. The U-shaped frame 6 is arranged on the side of the pole away from the crossarm body 1. Two first mounting plates 7 are arranged. The two first mounting plates 7 are fixedly arranged at both ends of the U-shaped frame 6. The first mounting bolt is arranged between the first mounting plate 7 and the crossarm body 1 through threaded cooperation.

[0063] Specifically, it is convenient to respectively arrange the U-shaped frame 6 and the cross arm body 1 on both sides of the electric pole, and then realize the installation and fixation between the U-shaped frame 6 and the cross arm body 1 through the first mounting bolt, so as to fix the cross arm body 1 on the electric pole.

[0064] Among them, the second mounting mechanism includes a mounting groove, a second mounting plate 8 and a second mounting bolt. The mounting groove is opened on the mounting bracket 3, and the mounting groove is adapted to the crossarm body 1. The second mounting plate 8 is arranged on the mounting bracket 3 corresponding to the mounting groove, and the second mounting bolt is arranged on the second mounting plate 8 and the mounting bracket 3 through threaded cooperation.

[0065] Specifically, after the cross arm body 1 is inserted into the installation groove, the second installation plate 8 is installed by the second installation bolt, so that the installation bracket 3 is fixed to the cross arm body 1 through the cooperation between the second installation plate 8 and the side wall of the installation groove.

[0066] Among them, the fixing mechanism includes a base 9, a fixing groove, a fixing column 10, a fixing disk 11, a positioning groove, a positioning block 12, a positioning plate 13 and a driving mechanism. The base 9 is fixedly set on the lightning arrester body 5, and the fixing groove is opened on the base 9 corresponding to the fixing port. The fixing column 10 is fixedly set on the thermal explosion disconnector 4, and the fixing disk 11 is fixedly set on the fixing column 10. There are multiple positioning grooves, and multiple positioning grooves are opened on the side wall of the fixing groove. The positioning block 12 is set in the positioning groove, and two positioning plates 13 are hingedly set between each positioning block 12 and the bottom of the positioning groove. The driving mechanism is set on the base 9, which is used to control the positioning block 12 for position adjustment.

[0067] Specifically, the operator places the thermal explosion disconnector 4 and the lightning arrester body 5 on the mounting bracket 3 respectively, so that the fixing column 10 and the fixing plate 11 extend into the fixing groove through the fixing opening, and then controls the positioning block 12 to move through the driving mechanism, so as to facilitate the installation and fixation between the mounting bracket 3, the thermal explosion disconnector 4 and the lightning arrester body 5 by squeezing the fixing plate 11 through the positioning block 12.

[0068] Among them, the driving mechanism includes an annular groove, a positioning ring 14, a threaded rod 15, a driving groove, a first gear 16, a driving ring 17, an annular rack and a limiting mechanism. The annular groove is arranged on the side wall of the fixed groove, the positioning ring 14 is slidably arranged in the annular groove, the positioning ring 14 is in contact with the positioning block 12, the threaded rod 15 is provided in plurality, and the plurality of threaded rods 15 are rotatably arranged in the annular groove, the threaded rod 15 penetrates the positioning ring 14 through threaded cooperation, the driving groove is arranged on the side wall of the base 9, the first gear 16 is rotationally arranged on the side wall of the driving groove corresponding to the threaded rod 15, the first gear 16 is fixedly connected to the threaded rod 15, the driving ring 17 is arranged in the driving groove, the annular rack is fixedly arranged on the inner wall of the driving ring 17, the annular rack is meshed with the first gear 16, and the limiting mechanism is arranged in the driving groove for limiting the driving ring 17.

[0069] Specifically, the rotation of the driving ring 17 can drive the threaded rod 15 to rotate through the meshing of the annular rack and the first gear 16, and at the same time, the threaded cooperation between the threaded rod 15 and the positioning ring 14 can drive the positioning ring 14 to move, thereby facilitating the squeezing of the positioning block 12 through the positioning ring 14, thereby realizing the position adjustment of the positioning block 12.

[0070] Among them, the limiting mechanism includes a limiting block, a limiting groove 18 and a limiting spring 19. The limiting block is fixedly arranged on the side wall of the driving groove away from the arrester body 5. The limiting groove 18 is opened on the driving ring 17. The limiting spring 19 is fixedly arranged on the side wall of the driving groove close to the arrester body 5. The limiting spring 19 is in contact with the driving ring 17.

[0071] Specifically, the driving ring 17 moves under the action of the limiting spring 19 , so that the limiting block extends into the limiting groove 18 , and then the driving ring 17 is limited by the cooperation between the limiting block and the limiting groove 18 .

[0072] The cross arm body 1 is insulated inside and outside to replace the conventional metal cross arm, thereby preventing two or three items from being short-circuited or grounded at the same time.

[0073] The arrester body 5 adopts external gap discharge technology to more effectively release large currents in a single line. It has large leakage current, strong capacity and short time. It is not easy to cause instantaneous grounding on the line to ensure stable operation of the line, eliminate the need for support insulators, achieve integrated support insulation and discharge, reduce construction steps, shorten power outage time, and install quickly.

[0074] The thermal explosion disconnector 4 now adopts external insulating silicone rubber molding technology to increase its external insulation level and anti-fouling level, reduce external damage, and make its outer part soft when disconnected, reducing its damage to the outside.

[0075] During the overall installation, a counter can also be installed to record the number of large current discharges carried by a single line, so as to observe whether the arrester body 5 needs to be replaced. In order to effectively determine the fault point, a thermal explosion disconnector 4 can be installed.

[0076] In this embodiment, when in use, the U-shaped frame 6 and the cross arm body 1 are respectively arranged on both sides of the electric pole, and then the U-shaped frame 6 and the cross arm body 1 are installed and fixed by the first mounting bolt, so that the cross arm body 1 is fixed to the electric pole, and then the second mounting plate 8 is installed by the second mounting bolt after the cross arm body 1 is inserted into the mounting groove, so that the mounting bracket 3 is fixed to the cross arm body 1 by the cooperation of the second mounting plate 8 and the side wall of the mounting groove, and then the operator places the thermal explosion disconnector 4 and the lightning arrester body 5 on the mounting bracket 3 respectively, so that the fixing column 10 and the fixing plate 11 pass through the fixing port The first gear 16 is engaged with the first gear 16 and the threaded rod 15 is driven to rotate. At the same time, the threaded rod 15 and the positioning ring 14 are driven to move by the threaded cooperation between the threaded rod 15 and the positioning ring 14, so that the positioning block 12 can be squeezed by the positioning ring 14, thereby adjusting the position of the positioning block 12, and then the positioning block 12 can be squeezed by the positioning block 12 on the fixed plate 11 to achieve the installation and fixation between the mounting bracket 3, the thermal explosion disconnector 4 and the arrester body 5.

[0077] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A matching insulated cross-arm arrester, installed on a utility pole, characterized in that: include: A cross arm body (1), wherein the cross arm body (1) is arranged on one side of the electric pole; A first mounting mechanism, the first mounting mechanism being arranged on the cross arm body (1) and being used for fixing the cross arm body (1) on the electric pole; A support plate (2), wherein the support plate (2) is provided in plurality, and the plurality of support plates (2) are fixedly arranged on the cross arm body (1); A mounting bracket (3), wherein the mounting bracket (3) is arranged on the cross arm body (1); A second mounting mechanism, the second mounting mechanism being arranged on the mounting bracket (3) and being used for mounting and fixing the mounting bracket (3); A fixing opening, the fixing opening being formed on the mounting bracket (3); A thermal explosion detacher (4), the thermal explosion detacher (4) being arranged on the mounting bracket (3) corresponding to the fixing opening; A lightning arrester body (5), the lightning arrester body (5) being arranged on the mounting bracket (3) corresponding to the fixing opening; Wherein, the thermal explosion disconnector (4) and the arrester body (5) are respectively arranged on both sides of the mounting bracket (3); A fixing mechanism is arranged on the arrester body (5) and is used to fix the thermal explosion disconnector (4) and the arrester body (5) on the mounting bracket (3) respectively.

2. A matching insulating cross-arm arrester according to claim 1, characterized in that: The first mounting mechanism comprises: A U-shaped frame (6), the U-shaped frame (6) being arranged on a side of the electric pole away from the cross arm body (1); A first mounting plate (7), wherein two first mounting plates (7) are provided, and the two first mounting plates (7) are fixedly arranged at two ends of the U-shaped frame (6); A first mounting bolt, wherein the first mounting bolt is arranged between the first mounting plate (7) and the cross arm body (1) through threaded engagement.

3. The matching insulating cross-arm arrester according to claim 2 is characterized in that: The second mounting mechanism comprises: A mounting groove, the mounting groove being arranged on the mounting bracket (3), the mounting groove being adapted to fit the cross arm body (1); a second mounting plate (8), the second mounting plate (8) being arranged on the mounting bracket (3) corresponding to the mounting groove; A second mounting bolt, wherein the second mounting bolt is threadably mounted on the second mounting plate (8) and the mounting bracket (3).

4. The matching insulating cross-arm arrester according to claim 3 is characterized in that: The fixing mechanism comprises: A base (9), wherein the base (9) is fixedly arranged on the arrester body (5); A fixing groove, the fixing groove being arranged on the base (9) corresponding to the fixing opening; A fixed column (10), wherein the fixed column (10) is fixedly arranged on the thermal explosion disconnector (4); A fixed plate (11), wherein the fixed plate (11) is fixedly arranged on the fixed column (10); A positioning groove, wherein the positioning groove is provided in plurality, and the plurality of positioning grooves are arranged on the side wall of the fixing groove; A positioning block (12), wherein the positioning block (12) is arranged in the positioning groove; A positioning plate (13), wherein two positioning plates (13) are hingedly provided between each positioning block (12) and the bottom of the positioning groove; A driving mechanism is arranged on the base (9) and is used to control the positioning block (12) to adjust its position.

5. The matching insulating cross-arm arrester according to claim 4 is characterized in that: The driving mechanism comprises: an annular groove, the annular groove being arranged on the side wall of the fixing groove; a positioning ring (14), the positioning ring (14) being slidably disposed in the annular groove, the positioning ring (14) being in contact with the positioning block (12); A threaded rod (15), wherein the threaded rod (15) is provided in plurality, the plurality of threaded rods (15) are rotatably arranged in the annular groove, and the threaded rod (15) penetrates the positioning ring (14) through threaded engagement; A driving groove, the driving groove being arranged on a side wall of the base (9); a first gear (16), the first gear (16) being arranged on the side wall of the driving groove so as to rotate correspondingly to the threaded rod (15), the first gear (16) being fixedly connected to the threaded rod (15); A drive ring (17), wherein the drive ring (17) is arranged in the drive groove; an annular rack, the annular rack being fixedly arranged on the inner wall of the driving ring (17), the annular rack being meshed with the first gear (16); A limiting mechanism is arranged in the driving groove and is used to limit the driving ring (17).

6. A matching insulating cross-arm arrester according to claim 5, characterized in that: The limiting mechanism comprises: A limit block, the limit block being fixedly arranged on a side wall of the driving slot on a side away from the arrester body (5); A limiting groove (18), wherein the limiting groove (18) is provided on the driving ring (17); A limit spring (19), wherein the limit spring (19) is fixedly arranged on a side wall of the driving groove close to the arrester body (5), and the limit spring (19) is in contact with the driving ring (17).

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