A power grid equipment fixing device

By designing fast connection devices and fast fixed devices, the problem of the installation and maintenance of the existing power grid equipment fixed device is solved, and rapid installation and disassembly are achieved, and the maintenance efficiency is improved.

CN110534268BActive Publication Date: 2025-01-28SHANGHAI BEIKUN ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN201910640008.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-07-16
Publication Date
2025-01-28
Estimated Expiration
2039-07-16

AI Technical Summary

Technical Problem

The existing grid equipment fixtures are locked by bolts, which are troublesome to install and maintain, especially the disassembly process is cumbersome, which is not conducive to workers' rapid maintenance.

Method used

A power grid device fixed device includes a power grid equipment that includes installation, connection holes, card holes, insulators, fast connection devices, and fast -fixed devices. The combination of fast connection devices and fast fixing devices realizes the rapid fixing and disassembly of insulators and installations.

Benefits of technology

The rapid installation and disassembly of fixed devices are achieved, facilitating workers for maintenance, and improving maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a fixing device for power grid equipment, the structure of which comprises a mounting piece, a connecting hole, a clamping hole, an insulator, a quick connecting device and a quick fixing device. The top of the mounting piece is provided with a connecting hole, and clamping holes are provided at the left and right ends of the mounting piece. In order to solve the problem that the existing fixing device usually penetrates the insulator through bolts and then is locked through nuts, which is troublesome to install, a quick connecting device is provided through the top of the insulator, and a clamping block is inserted from the top of the insulator, passed through the insulator and out of the connecting hole, and then the top of the connector is inserted into the clamping block, so that the clamping block is passed out from the bottom of the connector, and at the same time, a first spring is compressed by force, and the top is attached to the bottom end of the top of the mounting piece. The first spring provides elastic force to apply to the connector and the connecting plate, so that the connector applies pressure to the clamping block, drives the connecting rod to move downward, and is fixed by tightly attaching to the insulator through the limit plate, so as to achieve the effect of convenient installation.
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Description

Technical Field

[0001] The present invention relates to the technical field of fixing devices, and in particular to a fixing device for power grid equipment. Background Art

[0002] The whole of the power system, which consists of substations of various voltages and transmission and distribution lines, is called the power grid. It includes three units: substation, transmission, and distribution. The transmission network is composed of transmission and substation equipment. The transmission equipment mainly includes transmission lines, towers, insulator strings, overhead lines, etc. Insulators are also a kind of power grid equipment, but the existing fixing devices usually penetrate the insulators with bolts and then lock them with nuts, which is troublesome to install. In addition, the fixing devices are locked in the fixed place by bolts, which is troublesome to disassemble when maintenance is required, and it is inconvenient for workers to perform maintenance. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] In order to overcome the shortcomings of the existing technology, a power grid equipment fixing device is proposed, which solves the problem that the existing fixing device is usually penetrated through the insulator by bolts and then locked by nuts, which is troublesome to install, and the fixing device is locked in the fixed place by bolts, which is troublesome to disassemble when maintenance is required, and it is inconvenient for workers to perform maintenance.

[0005] (II) Technical solution

[0006] The present invention is achieved through the following technical scheme: The present invention proposes a power grid equipment fixing device, including a mounting piece, a connecting hole, a clamping hole, an insulator, a quick connecting device and a quick fixing device, wherein a connecting hole is arranged at the top of the mounting piece, clamping holes are arranged at the left and right ends of the mounting piece, the connecting hole is fixedly connected to the insulator through a quick connecting device, and the bottom of the mounting piece is fixedly connected to the quick fixing device, the quick connecting device is composed of a limit plate, a connecting rod, a clamping block, a connecting piece, a connecting plate and a first spring, the limit plate is circular in shape, and a connecting rod is arranged at the bottom of the limit plate, two integrally cast clamping blocks are arranged at the left and right ends of the bottom of the connecting rod, an annular connecting plate is arranged at the top of the connecting piece, the top of the connecting plate is welded and fixed to one end of the first spring, and the other end of the first spring is attached to the inner side of the top of the mounting piece, the connecting rod is slidably connected to the connecting piece, the bottom of the limit plate is attached to the top of the insulator, and the connecting rod passes through the insulator and the connecting hole respectively.

[0007] Furthermore, the quick fixing device is composed of a connecting seat, a slide groove, a mounting hole, a spring groove, a second spring, a sliding rod, a connecting head and a pull ring. A slide groove is arranged in the middle of the connecting seat, a circular mounting hole is arranged in the middle of the slide groove, spring grooves are arranged on the inner sides of the left and right ends of the top of the connecting seat, a second spring for providing elastic force is arranged inside the spring groove, one end of the second spring is attached to the middle of the sliding rod, and the other end is attached to the top of the spring groove, the top of the sliding rod is fixedly connected to the connecting head through an external thread, the top of the connecting head is slidably connected to the pull ring, the sliding rod is clearance-matched with the card hole, and the bottom of the mounting piece is slidably connected to the slide groove.

[0008] Furthermore, the operating temperature range of the insulator is: -40-50°C.

[0009] Furthermore, the maintenance-free period of the insulator is 5 years.

[0010] Furthermore, the insulator must be removed and installed under complete power outage.

[0011] Furthermore, the size of the slide groove matches the size of the mounting piece.

[0012] Furthermore, the diameter of the connecting hole is 0.3 cm larger than the outer diameter of the connecting rod.

[0013] Furthermore, the bottom of the sliding rod is beveled, and the outer edge is provided with a round chamfer.

[0014] Furthermore, the size of the sliding rod matches the size of the clamping hole.

[0015] Furthermore, the sliding angle of the connector along the pull ring is 0-360 degrees, and the folding angle of the connector along the pull ring is 0-200 degrees.

[0016] Furthermore, the material of the connector is: martensitic stainless steel.

[0017] Furthermore, the material of the connecting seat is tungsten steel.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1) In order to solve the problem that the fixing device is locked in the fixing place by bolts, which makes it troublesome to disassemble when maintenance is required and inconvenient for workers to perform maintenance, a quick fixing device is set at the bottom of the mounting piece. By applying tension to the pull ring, the connecting head is driven to move upward, and the upward movement of the connecting head drives the sliding rod to move upward and slide out of the clamping hole. Then, tension is applied to the mounting piece to slide the mounting piece out of the slide groove, so as to achieve the effect of convenient disassembly and maintenance.

[0021] 2) In order to solve the problem that the existing fixing devices usually penetrate the insulator through bolts and then lock them with nuts, which is troublesome to install, a quick connection device is set through the top of the insulator. The card block is inserted from the top of the insulator, passed through the insulator and out of the connecting hole, and then the top of the connecting head is inserted into the card block, so that the card block is passed out from the bottom of the connecting head. At the same time, the first spring is compressed and the top is attached to the bottom end of the top of the mounting piece. The first spring provides elastic force to apply to the connecting head and the connecting plate, so that the connecting head applies pressure to the card block, drives the connecting rod to move downward, and fixes it to the insulator through the limit plate, so as to achieve the effect of convenient installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the mounting member of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the quick connection device of the present invention;

[0026] Figure 4 It is a schematic diagram of the card block structure of the present invention;

[0027] Figure 5 It is a schematic structural diagram of the quick fixing device of the present invention;

[0028] Figure 6 It is a schematic diagram of the cross-sectional structure of the quick fixing device of the present invention.

[0029] In the figure: mounting part 1, connecting hole 2, clamping hole 3, insulator 4, quick connecting device 5, quick fixing device 6, limit plate 51, connecting rod 52, clamping block 53, connecting part 54, connecting plate 55, first spring 56, connecting seat 61, sliding groove 62, mounting hole 63, spring groove 64, second spring 65, sliding rod 66, connecting head 67, pull ring 68. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The present invention provides a power grid equipment fixing device: comprising a mounting member 1, a connection hole 2, a clamping hole 3, an insulator 4, a quick connection device 5 and a quick fixing device 6, wherein the mounting member 1 is provided with a connection hole 2 at the top, and clamping holes 3 are provided at the left and right ends of the mounting member 1, the connection hole 2 is fixedly connected to the insulator 4 through the quick connection device 5, and the bottom of the mounting member 1 is fixedly connected to the quick fixing device 6, and the quick connection device 5 is composed of a limit plate 51, a connecting rod 52, a clamping block 53, a connecting member 54, a connecting plate 55 and a first spring 56 The limit plate 51 is circular in shape, and a connecting rod 52 is provided at the bottom of the limit plate 51. Two integrally cast blocks 53 are provided at the left and right ends of the bottom of the connecting rod 52. A ring-shaped connecting plate 55 is provided at the top of the connecting member 54. The top of the connecting plate 55 is welded and fixed to one end of the first spring 56, and the other end of the first spring 56 is attached to the inner side of the top of the mounting member 1. The connecting rod 52 is slidably connected to the connecting member 54. The bottom of the limit plate 51 is attached to the top of the insulator 4, and the connecting rod 52 passes through the insulator 4 and the connecting hole 2 respectively.

[0032] Among them, the quick fixing device 6 is composed of a connecting seat 61, a slide groove 62, a mounting hole 63, a spring groove 64, a second spring 65, a sliding rod 66, a connecting head 67 and a pull ring 68. A slide groove 62 is provided in the middle of the connecting seat 61, a circular mounting hole 63 is provided in the middle of the slide groove 62, spring grooves 64 are provided on the inner sides of the left and right ends of the top of the connecting seat 61, and a second spring 65 for providing elastic force is provided inside the spring groove 64. One end of the second spring 65 is attached to the middle of the sliding rod 66, and the other end is attached to the top of the spring groove 64. The top of the sliding rod 66 is fixedly connected to the connecting head 67 through an external thread, the top of the connecting head 67 is slidably connected to the pull ring 68, the sliding rod 66 is clearance-matched with the clamping hole 3, and the bottom of the mounting part 1 is slidably connected to the slide groove 62.

[0033] The working temperature range of the insulator 4 is -40-50°C, which can adapt to the temperature in most places and is convenient to use.

[0034] The maintenance-free period of the insulator 4 is 5 years, and the insulator 4 can be used for a long time without being easily damaged.

[0035] The insulator 4 must be removed and installed under complete power outage to ensure safety in use.

[0036] The size of the slide groove 62 matches that of the mounting member 1, so as to facilitate plugging and fixing.

[0037] The diameter of the connecting hole 2 is 0.3 cm larger than the outer diameter of the connecting rod 52 , so that the connecting rod 52 can pass through the connecting hole 2 easily.

[0038] The bottom of the slide rod 66 is beveled, and the outer edge is provided with a round chamfer, so that the mounting member 1 can be directly inserted into the slide groove 62 , and the slide rod 66 can be lifted up and then inserted into the clamping hole 3 .

[0039] The size of the slide rod 66 matches that of the clamping hole 3 , so that the mounting member 1 can be fixed by clamping the clamping hole 3 with the slide rod 66 .

[0040] The sliding angle of the connecting head 67 along the pull ring 68 is 0-360 degrees, and the folding angle of the connecting head 67 along the pull ring 68 is 0-200 degrees, which is convenient for folding and rotating.

[0041] The material of the connector 54 is: martensitic stainless steel forging with ultra-high strength, hardness, chemical corrosion resistance and electrochemical corrosion resistance, heat resistance and high temperature resistance.

[0042] Wherein, the material of the connecting seat 61 is: tungsten steel;

[0043] Material hardness powerful middle weak Tungsten steel ü Stainless acid resistant steel ü

[0044] According to the above table, the connection seat 61 of the present invention is made of tungsten steel, which can achieve excellent properties such as high hardness, good wear resistance and toughness, heat resistance, and corrosion resistance.

[0045] The material of the connecting piece 54 described in this patent is martensitic stainless steel, which is a type of hardenable stainless steel. Its typical grade is Cr13, such as 2Cr13, 3Cr13, 4Cr13, etc. It has a higher hardness after quenching and different strength and toughness combinations at different tempering temperatures. It is mainly used for steam turbine blades, tableware, and surgical instruments. According to the difference in chemical composition, martensitic stainless steel can be divided into two categories: martensitic chromium steel and martensitic chromium-nickel steel. According to the difference in organization and strengthening mechanism, it can also be divided into martensitic stainless steel, martensitic and semi-austenitic (or semi-martensitic) precipitation hardening stainless steel, and martensitic aging stainless steel.

[0046] Working principle: first move the device to a suitable position, then insert the block 53 from the top of the insulator 4, pass through the insulator 4 and out of the connecting hole 2, then insert the top of the connector 54 into the block 53, so that the block 53 passes through the bottom of the connector 54, and at the same time, the first spring 56 is compressed, and the top is attached to the bottom end of the top of the mounting member 1, and the first spring 56 provides elastic force to apply to the connector 54 and the connecting plate 55, so that the connector 54 applies pressure to the block 53, driving the connecting rod 52 to move downward, and the insulator 4 is fixed by the limit plate 51 to fix the position of the insulator 4, and then the connecting seat 61 is installed in the fitting through the mounting hole 63 set in the slide groove 62 of the connecting seat 61. The mounting member 1 is then moved to an appropriate position, and then the bottom of the mounting member 1 is slid into the slide groove 62, and the slide rod 66 is squeezed by the mounting member 1, so that the slide rod 66 is forced to move upward along the spring groove 64 to squeeze the second spring 65. When it slides to an appropriate position, the second spring 65 is restored and applies elastic force to the slide rod 66, driving the slide rod 66 to slide downward and snap into the snap hole 3 to fix the mounting member 1. When disassembly is required, a pulling force is applied to the pull ring 68 to drive the connecting head 67 to move upward. The connecting head 67 moves upward to drive the slide rod 66 to move upward and slide out of the snap hole 3. Then a pulling force is applied to the mounting member 1 to slide the mounting member 1 out of the slide groove 62, thereby achieving the effect of convenient disassembly.

[0047] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art 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 defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0048] 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 power grid equipment fixing device, comprising a mounting member (1), a connection hole (2), a clamping hole (3) and an insulator (4), wherein the mounting member (1) is provided with a connection hole (2) at the top, and clamping holes (3) are provided at both left and right ends of the mounting member (1), the connection hole (2) is fixedly connected to the insulator (4) via a quick connection device (5), and the bottom of the mounting member (1) is fixedly connected to the quick fixing device (6); Features: It also includes a quick connection device (5) and a quick fixing device (6), wherein the quick connection device (5) is composed of a limit plate (51), a connecting rod (52), a block (53), a connecting piece (54), a connecting plate (55) and a first spring (56), wherein the limit plate (51) is circular in shape, and a connecting rod (52) is provided at the bottom of the limit plate (51), and two integrally cast blocks (53) are provided at the left and right ends of the bottom of the connecting rod (52), and an annular connecting plate (55) is provided at the top of the connecting piece (54), and the top of the connecting plate (55) is welded and fixed to one end of the first spring (56), and the other end of the first spring (56) is attached to the inner side of the top of the mounting piece (1), and the connecting rod (52) is slidably connected to the connecting piece (54), and the bottom of the limit plate (51) is attached to the top of the insulator (4), and the connecting rod (52) passes through the insulator (4) and the connecting hole (2) respectively; The quick fixing device (6) is composed of a connecting seat (61), a slide groove (62), a mounting hole (63), a spring groove (64), a second spring (65), a sliding rod (66), a connecting head (67) and a pull ring (68). The connecting seat (61) is provided with a slide groove (62) in the middle, and a circular mounting hole (63) is provided in the middle of the slide groove (62). The connecting seat (61) is provided with spring grooves (64) on the inner sides of the left and right ends of the top, and a second spring (65) for providing elastic force is provided inside the spring groove (64). One end of the second spring (65) is attached to the middle of the sliding rod (66), and the other end is attached to the top of the spring groove (64). The top of the sliding rod (66) is fixedly connected to the connecting head (67) through an external thread, and the top of the connecting head (67) is slidably connected to the pull ring (68). The sliding rod (66) is clearance-matched with the clamping hole (3), and the bottom of the mounting member (1) is slidably connected to the slide groove (62). The block (53) is inserted from the top of the insulator (4), passes through the insulator (4) and comes out from the connecting hole (2), and then the top of the connecting member (54) is inserted into the block (53), so that the block (53) passes out from the bottom of the connecting member (54), and at the same time, the first spring (56) is compressed and the top is attached to the bottom end of the top of the mounting member (1). The first spring (56) provides elastic force to apply to the connecting member (54) and the connecting plate (55), so that the connecting member (54) applies pressure to the block (53), drives the connecting rod (52) to move downward, and is attached to the insulator (4) through the limit plate (51) to fix the position of the insulator (4), and then the connecting seat (61) is installed in a suitable position through the installation hole (63) provided in the slide groove (62) of the connecting seat (61), and then the bottom of the mounting member (1) is moved from the slide groove ( 62) slides in, and the slide rod (66) is squeezed by the mounting member (1), so that the slide rod (66) is forced to move upward along the spring groove (64) to squeeze the second spring (65). When sliding to a suitable position, the second spring (65) is restored and applies elastic force to the slide rod (66), driving the slide rod (66) to slide downward and snap into the snap hole (3) to fix the mounting member (1). When disassembly is required, a pulling force is applied to the pull ring (68) to drive the connector (67) to move upward. The upward movement of the connector (67) drives the slide rod (66) to move upward and slide out of the snap hole (3). Then, a pulling force is applied to the mounting member (1) to slide the mounting member (1) out of the slide groove (62), so as to achieve the effect of facilitating disassembly. The operating temperature range of the insulator (4) is: -40-50°C.

2. A power grid equipment fixing device according to claim 1, characterized in that: The maintenance-free period of the insulator (4) is 5 years.

3. A power grid equipment fixing device according to claim 1, characterized in that: The insulator (4) must be removed and installed under completely power-off conditions.

4. A power grid equipment fixing device according to claim 1, characterized in that: The size of the slide groove (62) matches the size of the mounting member (1).

5. A power grid equipment fixing device according to claim 1, characterized in that: The diameter of the connecting hole (2) is 0.3 cm larger than the outer diameter of the connecting rod (52).

6. A power grid equipment fixing device according to claim 1, characterized in that: The bottom of the sliding rod (66) is beveled, and the outer edge is provided with a rounded chamfer.

7. A power grid equipment fixing device according to claim 1, characterized in that: The size of the sliding rod (66) matches the size of the clamping hole (3).

Citation Information

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