Channel steel cross arm fixture for replacing tower insulator

Abstract

The application discloses a channel steel cross arm clamp for replacing a tower insulator, which comprises a fixing base and a hook claw. The fixing base is provided with an abutting part which is in movable contact with the top of the channel steel cross arm. The first end of the hook claw is hingedly connected to the fixing base near the first end of the abutting part. The second end of the hook claw is provided with a hook part. The hook part is provided with a groove for movably clamping the first side plate part of the channel steel cross arm. The bottom of the groove is in contact with the bottom of the first side plate part. The second end of the fixing base extends away from the hook claw and is provided with the channel steel cross arm. The channel steel cross arm clamp is convenient to install and dismount, and can ensure the efficiency of replacing the insulator.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power operation, in particular to a channel steel cross arm clamp for tower insulator replacement. BACKGROUND

[0002] The replacement operation of straight insulators frequently occurs in the daily maintenance of power transmission lines. In the replacement operation, a fixed clamp is first installed on the cross arm of the tower, and then a pulling device installed on the fixed clamp is used to pull the conductor, thereby pulling up the insulator string, facilitating the replacement of the insulator string between the cross arm and the conductor. However, the existing fixed clamp for channel steel cross arm is complicated to install and disassemble, which affects the efficiency of insulator replacement. SUMMARY

[0003] Therefore, the purpose of the present application is to provide a channel steel cross arm clamp for tower insulator replacement, which is simple and convenient to install and disassemble, and ensures the efficiency of insulator replacement.

[0004] To achieve the above technical purpose, the present application provides a channel steel cross arm clamp for tower insulator replacement, comprising: a fixed seat and a hook claw;

[0005] The fixed seat is provided with an abutting portion in contact with the top of the channel steel cross arm;

[0006] The first end of the hook claw is hingedly connected to the first end of the fixed seat near the abutting portion, and the second end of the hook claw is provided with a hook portion;

[0007] The hook portion is provided with a groove for the first side plate portion of the channel steel cross arm to be movably clamped into;

[0008] The bottom of the groove is in contact with the bottom of the first side plate portion;

[0009] The second end of the fixed seat extends away from the hook claw towards the channel steel cross arm.

[0010] Further, the abutting portion and the hook claw form a first reinforcing rib plate for avoiding the top of the channel steel cross arm along the length direction of the channel steel cross arm, and the first side wall of the abutting portion and the hook claw is in contact with the first reinforcing rib plate.

[0011] Further, it further comprises a first limiting member;

[0012] The first limiting member comprises a first connecting portion and a first limiting portion;

[0013] The first end of the first connecting portion is connected to the fixed seat, and the second end of the first connecting portion is connected to the first limiting portion perpendicularly;

[0014] The second limiting part and the fixed seat form a limiting space for avoiding the second reinforcing rib plate which is vertically connected with the two side walls of the first reinforcing rib plate.

[0015] Further, a second limiting member is further included.

[0016] The second limiting member includes a second connecting part and a second limiting part.

[0017] The first end of the second connecting part is connected with the fixed seat and is located above the first limiting member, and the second end of the second connecting part is connected with the second limiting part.

[0018] The bottom of the second limiting part is in contact with the top of the first limiting member.

[0019] Further, a first magnetic attraction member which is magnetically attracted with the channel steel cross arm is arranged on the abutting part.

[0020] Further, the first magnetic attraction member is embedded in the bottom of the abutting part, and the magnetic attraction surface of the first magnetic attraction member which is magnetically attracted with the top of the channel steel cross arm is flush with the bottom surface of the abutting part.

[0021] Further, a second magnetic attraction member which is magnetically attracted with the first side plate part is arranged on the hook claw.

[0022] Further, the second magnetic attraction member is embedded in the first side wall position of the hook claw which faces the first side plate part, and the magnetic attraction surface of the second magnetic attraction member which is magnetically attracted with the first side plate part is flush with the first side wall position of the hook claw.

[0023] Further, a first installation slot is arranged on the first end of the fixed seat for the first end of the hook claw to movably extend into.

[0024] A first hinged hole is arranged on the fixed seat and penetrates the first installation slot.

[0025] A second hinged hole is arranged on the first end of the hook claw and cooperates with the first hinged hole through a pin shaft.

[0026] Further, a plurality of hollow holes are arranged on the fixed seat.

[0027] From the above technical scheme can be seen, the present application is provided by setting a fixed seat and with the fixed seat hinge hook to constitute the channel steel cross arm fixture, wherein the fixed seat is provided with the contact with the channel steel cross arm top activity resistance resistance part, and the hook is provided with the hook part matched with the channel steel cross arm first side plate part hook resistance; At the same time, the second end of the fixed seat extends away from the hook direction of the channel steel cross arm, which is convenient for installing the pulling device; The resistance part of the fixed seat can be used as a support point to support the fixed seat, and the hook can provide the fixed seat a balanced fixed seat force of the pulling device, so that the fixed seat can be stably installed on the channel steel cross arm, and the pulling device is stably supported. With such structure design, convenient installation and disassembly, ensure the efficiency of insulator replacement. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0029] Figure 1 The installation structure diagram of the channel steel cross arm fixture for tower insulator replacement provided in the present application;

[0030] Figure 2 The explosion diagram of Figure 1 ;

[0031] Figure 3 The structure diagram of the channel steel cross arm fixture for tower insulator replacement provided in the present application without first limiting piece and second limiting piece;

[0032] In the figure: 1, fixed seat; 11, resistance part; 12, first installation slot; 121, first hinge hole; 13, second installation slot; 14, hollow hole; 15, first limiting piece; 151, first connecting part; 152, first limiting part; 16, second limiting piece; 161, second connecting part; 162, second limiting part; 2, hook; 21, hook part; 22, second hinge hole; 3, channel steel cross arm; 31, first side plate part; 32, second side plate part; 311, first reinforcing rib plate; 312, second reinforcing rib plate; 41, first magnetic attraction piece; 42, second magnetic attraction piece; 5, pin shaft. DETAILED DESCRIPTION

[0033] The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts are within the scope of the present application.

[0034] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be replaceably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0036] The embodiments of the present application disclose a channel steel cross arm clamp for replacing a tower insulator.

[0037] Please refer to Figure 1 An embodiment of the channel steel cross arm clamp for replacing a tower insulator provided in the embodiments of the present application includes:

[0038] The fixed seat 1 and the hook claw 2 are provided. The fixed seat 1 is provided with an abutting part 11 which is in movable contact with the top of the channel steel cross arm 3. The first end of the hook claw 2 is hingedly connected to the fixed seat 1 near the first end of the abutting part 11. The second end of the hook claw 2 is provided with a hook part 21. The hook part 21 is provided with a groove for movably clamping the first side plate part 31 of the channel steel cross arm 3. The bottom of the groove is in contact with the bottom of the first side plate part 31. The second end of the fixed seat 1 extends away from the hook claw 2 and towards the channel steel cross arm 3.

[0039] Specifically, the abutting part 11 and the fixed seat 1 in the present embodiment are integrally formed, and the hook part 21 and the hook claw 2 are integrally formed, which is more convenient for processing and manufacturing. The structure of the fixed seat 1 can be as follows Figure 1As shown, the triangular block, of course, not only limited to such structural design, those skilled in the art can be based on the appropriate transformation, specific not limited. The second end of the fixed seat 1 is set to the direction away from the hook 2 to stretch out the channel steel cross arm 3, that is, the second end of the fixed seat 1 along the first side plate 31 of the channel steel cross arm 3 to the second side plate 32 direction stretches out the channel steel cross arm 3, convenient to provide the installation position of the pulling device. When installing, you can first rotate the hook 2, so that the hook part 21 cooperates with the first side plate 31 of the channel steel cross arm 3, and then the abutting part 11 contacts the top of the channel steel cross arm 3 to resist the fixed, specific not limited. When the pulling device pulls the wire upward, the fixed seat 1 installation pulling device position will be subjected to a downward force, and the fixed seat 1 can be pulled by the hook 2 at this time to provide the force to balance the force, so that the fixed seat 1 can be installed smoothly on the channel steel cross arm 3, and provide stable support for the pulling device. In order to make the installation of the fixed seat 1 more stable, the contact surface between the bottom of the abutting part 11 and the top of the channel steel cross arm 3 can be designed to be larger, which can be appropriately transformed according to actual needs.

[0040] The above is the first embodiment of the channel steel cross arm clamp for replacing the tower insulator provided by the embodiment of the application, and the following is the second embodiment of the channel steel cross arm clamp for replacing the tower insulator provided by the embodiment of the application, please refer to Figures 1 to 3 .

[0041] A channel steel cross arm clamp for replacing a tower insulator, comprising: a fixed seat 1 and a hook 2; the fixed seat 1 is provided with an abutting part 11 which is in contact with the top of the channel steel cross arm 3; the first end of the hook 2 is hinged to the first end of the fixed seat 1 close to the abutting part 11, and the second end of the hook 2 is provided with a hook part 21; the hook part 21 is provided with a groove for the first side plate part 31 of the channel steel cross arm 3 to be movably clamped into; the bottom of the groove is in contact with the bottom of the first side plate part 31; and the second end of the fixed seat 1 stretches out the channel steel cross arm 3 away from the hook 2.

[0042] Further, the abutting part 11 and the hook 2 form a first reinforcing rib plate 311 for avoiding the first reinforcing rib plate 311 arranged along the length direction of the channel steel cross arm 3 on the top of the channel steel cross arm 3, and the first side wall of the abutting part 11 and the hook 2 is in contact with the first reinforcing rib plate 311.

[0043] Specifically, for the channel steel cross arm 3, the position opposite to the installation of the insulator is usually provided with a Figures 1 to 3The first reinforcing rib plate 311 is shown. In this embodiment, by adjusting the distance relationship between the hook claws 2 arranged between the abutting portions 11, the first side wall of the abutting portion 11 facing the hook claws 2 is in contact with the first reinforcing rib plate 311, so that the first reinforcing rib plate 311 is also utilized to provide a certain limiting stop action of the abutting portion 11 along the width direction of the channel steel cross arm 3, so that the installation and fixation of the fixing seat 1 is more firm.

[0044] Further, a first limiting piece 15 is also included; the first limiting piece 15 includes a first connecting portion 151 and a first limiting portion 152; the first end of the first connecting portion 151 is connected with the fixing seat 1, and the second end of the first connecting portion 151 is connected with the first limiting portion 152 perpendicularly; the second limiting portion 162 and the fixing seat 1 form a limiting space for avoiding the second reinforcing rib plate 312 which is connected with the two side walls of the first reinforcing rib plate 311 perpendicularly.

[0045] Specifically, in order to further strengthen the ability of the channel steel cross arm 3 at this position to bear the insulator, a second reinforcing rib plate 312 which is connected with the first reinforcing rib plate 311 perpendicularly is usually increased. The purpose of the first limiting piece 15 arranged in this embodiment is to utilize the second reinforcing rib plate 312 to make the installation and fixation of the fixing seat 1 more firm and stable. The first limiting piece 15 can be in the shape of a L as shown Figure 1 The first end of the first connecting portion 151 can be detachably installed on the fixing seat 1 by a fastener such as a screw, and the second limiting portion 162 can be in close contact with the second reinforcing rib plate 312 to provide a certain limiting stop action of the fixing seat 1 along the length direction of the channel steel cross arm 3, so that the installation and fixation of the fixing seat 1 is more firm.

[0046] Further, a second limiting piece 16 is also included; the second limiting piece 16 includes a second connecting portion 161 and a second limiting portion 162; the first end of the second connecting portion 161 is connected with the fixing seat 1 and is located above the first limiting piece 15, and the second end of the second connecting portion 161 is connected with the second limiting portion 162; the bottom of the second limiting portion 162 is in contact with the top of the first limiting piece 15.

[0047] Specifically, in order to make the limiting action of the first limiting piece 15 better, the second limiting piece 16 can be increased to limit the first limiting piece 15, thereby further improving the installation stability of the fixing seat 1. The second limiting piece 16 can be in the shape of a L as shown Figure 1 and Figure 2 The second connecting portion 161 can be detachably installed on the fixing seat 1 by a fastener such as a screw, and the second limiting portion 162 can be in the shape of a gear, and the teeth thereof are in contact with the top of the first connecting portion 151 of the first limiting piece 15 to realize the limiting of the first limiting piece 15.

[0048] Further, the abutting part 11 is provided with a first magnetic attraction part 41 which is magnetically attracted to the channel steel cross arm 3. The first magnetic attraction part 41 can be a permanent magnet. The use of a permanent magnet can strengthen the contact between the abutting part 11 and the top of the channel steel cross arm 3, further improve the installation stability of the fixing seat 1, and when the pulling device is installed, the movement of the fixing seat 1 can be reduced by the first magnetic attraction part 41, ensuring the stability of the fixing seat 1, and the use of the first magnetic attraction part 41 will not affect the disassembly of the fixing seat 1, making it convenient to use. The number of first magnetic attraction parts 41 is not limited, for example, there can be two in the Figure 1 The first magnetic attraction part 41 can be embedded in the bottom of the abutting part 11, and the magnetic attraction surface of the first magnetic attraction part 41 which is magnetically attracted to the top of the channel steel cross arm 3 is flush with the bottom surface of the abutting part 11. Of course, it can also be directly sleeved around the outer periphery of the abutting part 11, and the specific structure is not limited.

[0049] Further, by analogy, the hook claw 2 can also be provided with a second magnetic attraction part 42 which is magnetically attracted to the first side plate part 31. The addition of the second magnetic attraction part 42 can further stabilize the installation of the fixing seat 1 and facilitate the subsequent installation of the pulling device. The second magnetic attraction part 42 can also be embedded in the first side wall position of the hook claw 2 which is opposite to the first side plate part 31, and the magnetic attraction surface of the second magnetic attraction part 42 which is magnetically attracted to the first side plate part 31 is flush with the first side wall position of the hook claw 2, and the specific structure is not limited.

[0050] Further, a first installation slot 12 is formed in the first end of the fixing seat 1 for the first end of the hook claw 2 to movably extend into; a first hinge hole 121 is formed in the fixing seat 1 and penetrates the first installation slot 12; and a second hinge hole 22 is formed in the first end of the hook claw 2 and cooperates with the first hinge hole 121 through a pin shaft 5. The pin shaft 5 realizes the hinge cooperation between the hook claw 2 and the fixing seat 1, and the pin shaft 5 can be a quick-release pin to make disassembly more convenient, and the specific structure is not limited. Correspondingly, a second installation slot 13 can be formed in the second end of the fixing seat 1 to facilitate the installation of the pulling device, and the specific structure of the second installation slot 13 can be designed according to actual needs, and the specific structure is not limited.

[0051] Further, a plurality of hollow holes 14 are formed in the fixing seat 1. The addition of the hollow holes 14 can reduce the overall weight of the fixing seat 1, make installation and disassembly more convenient, and save manufacturing materials.

[0052] From the above technical scheme can be seen, the present application is by setting a fixed seat 1 and with fixed seat 1 articulated hook claw 2 to constitute the channel steel cross arm fixture, wherein the fixed seat 1 is provided with the contact with the channel steel cross arm 3 top activity resistance resistance part 11, and the hook claw 2 is provided with the first side plate part 31 hook resistance cooperation of channel steel cross arm 3 hook part 21;At the same time, the second end of fixed seat 1 extends away from the hook claw 2 direction of channel steel cross arm 3, facilitate for installing pulling device;The resistance part 11 of fixed seat 1 can be used as a support point to support fixed seat 1, and the hook claw 2 can provide fixed seat 1 a balance fixed seat 1 force of pulling device, so that the fixed seat 1 can be stably installed on the channel steel cross arm 3, provide stable support for pulling device. With such structure design, easy to install and disassemble, ensure the efficiency of insulator replacement.

[0053] The channel steel cross arm fixture for tower insulator replacement provided by the present application is described in detail above. For those skilled in the art, according to the idea of the embodiments of the present application, the specific implementation and application range will be changed. In summary, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A channel steel cross arm clamp for replacing a tower insulator, characterized in that, The utility model relates to a fixing device for channel steel cross arm, which comprises a fixing base and a hook claw. The fixing base is provided with a supporting part which is in contact with the top of the channel steel cross arm. The first end of the hook claw is hinged to the first end of the fixing base close to the supporting part, and the second end of the hook claw is provided with a hook part. The hook part is provided with a groove for the first side plate part of the channel steel cross arm to be inserted into. The bottom of the groove is in contact with the bottom of the first side plate part. The second end of the fixing base extends away from the hook claw and is in contact with the channel steel cross arm. When the fixing device is installed, the hook claw is rotated so that the hook part is in contact with the first side plate part of the channel steel cross arm, and the supporting part is in contact with the top of the channel steel cross arm. The supporting part and the hook claw form a space for avoiding the first reinforcing rib plate arranged on the top of the channel steel cross arm along the length direction of the channel steel cross arm. The first side wall of the supporting part and the hook claw is in contact with the first reinforcing rib plate. The fixing device further comprises a first limiting part. The first limiting part comprises a first connecting part and a first limiting part. The first end of the first connecting part is connected to the fixing base, and the second end of the first connecting part is connected to the first limiting part. The fixing device further comprises a second limiting part. The second limiting part comprises a second connecting part and a second limiting part. The first end of the second connecting part is connected to the fixing base and is located above the first limiting part, and the second end of the second connecting part is connected to the second limiting part. The bottom of the second limiting part is in contact with the top of the first limiting part. The second limiting part and the fixing base form a limiting space for avoiding the second reinforcing rib plate which is connected to the two side walls of the first reinforcing rib plate. The supporting part is provided with a first magnetic part which is magnetically attracted to the channel steel cross arm.

2. The channel section cross arm clamp for replacing a tower insulator according to claim 1, characterized in that, The first magnetic part is embedded in the bottom of the supporting part, and the magnetic surface of the first magnetic part which is magnetically attracted to the top of the channel steel cross arm is flush with the bottom surface of the supporting part.

3. The channel section cross arm clamp for replacing a tower insulator according to claim 1, characterized in that, The hook claw is provided with a second magnetic part which is magnetically attracted to the first side plate part.

4. The channel section cross arm clamp for replacing a tower insulator according to claim 3, characterized in that, The second magnetic part is embedded in the first side wall of the hook claw which faces the first side plate part, and the magnetic surface of the second magnetic part which is magnetically attracted to the first side plate part is flush with the first side wall of the hook claw.

5. The channel section cross arm clamp for replacing a tower insulator according to claim 1, characterized in that, The first end of the hook claw is inserted into the first installation groove of the fixing base. The fixing base is provided with a first hinge hole which penetrates through the first installation groove. The first end of the hook claw is provided with a second hinge hole which cooperates with the first hinge hole through a pin shaft.

6. The channel section cross arm clamp for replacing a tower insulator according to claim 1, characterized by, The fixing base is provided with a plurality of hollow holes.

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