High-strength tension-resistant cross arm easy to mount and dismount

Abstract

The utility model discloses a high-strength tension-resistant cross arm easy to mount and dismount, which comprises a main cross arm, a pair of connecting rods are symmetrically arranged on the main cross arm, and auxiliary cross arms are mounted on the connecting rods in a quickly detachable manner; a clamping block is installed between the pair of connecting rods in an adjustable clamping or loosening mode through an adjusting screw rod, the clamping block is rotatably installed on the adjusting screw rod, and the adjusting screw rod is installed on an adjusting block through threads. Furthermore, a connector is arranged at the end of the connecting rod. A connecting groove is formed in the auxiliary cross arm; the auxiliary cross arm is embedded in the connecting groove through the connector and is conveniently installed on the main cross arm in a detachable mode. According to the utility model, the auxiliary cross arm is conveniently mounted on the main cross arm in a dismounting manner, and the main cross arm is provided with the clamping block capable of adjusting clamping through the adjusting screw rod; during installation, the auxiliary cross arm is moved to a required position, the auxiliary cross arm is buckled on the main cross arm, the adjusting screw rod is rotated, sleeving from the top of the electric pole is not needed, a large number of installation tools are not needed, and installation and disassembly are very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tension cross arms, in particular to a high-strength tension cross arm that is easy to install and disassemble. Background Art

[0002] The crossarm is an important component of the pole tower. Its function is to install insulators and hardware to support the conductors and lightning conductors and keep them at a certain safety distance as required.

[0003] However, existing cross arms are installed on the poles by U-shaped bolts, symmetrical straight bolts or annular clamps. This type of installation method:

[0004] 1. U-shaped bolts, symmetrical straight bolts or annular clamps require loosening or tightening at least two nuts when disassembling or moving, which is inconvenient for disassembly and movement, especially for single-person operation;

[0005] 2. Symmetrical straight bolts or annular clamps are installed by tightening with straight bolts. When the straight bolts are loosened or tightened, the nuts and bolts tend to rotate in the same direction, and multiple disassembly and assembly tools are required for disassembly and movement;

[0006] 3. If it is assembled first and then installed on the pole, you need to climb to the top of the pole after installation, insert it from the top of the pole and move it to the corresponding position, and then further tighten the nut to fix the cross arm;

[0007] In summary, the existing cross arm has the problem of complicated operation and needing multiple disassembly and assembly tools when being disassembled and moved. Utility Model Content

[0008] The main purpose of the utility model is to provide a high-strength tension cross arm that is easy to install and disassemble, aiming to solve the technical problem of the inconvenience of installation and disassembly of the cross arm in the prior art.

[0009] To achieve the above object, the utility model provides a high-strength tension crossarm that is easy to install and disassemble, comprising: a main crossarm, on which a pair of connecting rods are symmetrically provided, and on which a secondary crossarm is quickly disassembled;

[0010] A clamping block is arranged between the pair of connecting rods and can be adjusted to be clamped or loosened by an adjusting screw. The clamping block is rotatably mounted on the adjusting screw, and the adjusting screw is mounted on the adjusting block by threads.

[0011] Furthermore, a connecting head is provided at the end of the connecting rod;

[0012] The secondary cross arm is provided with a connecting groove; the secondary cross arm is embedded in the connecting groove through a connecting head, and can be easily disassembled and rotated on the main cross arm.

[0013] Furthermore, the adjustment block is mounted on the main cross arm by means of fastening bolts, and the main cross arm is provided with a through hole adapted to the adjustment screw.

[0014] Furthermore, insulators are installed on the main cross arm and the auxiliary cross arm through bolts.

[0015] Furthermore, the cross section of the connector is a right triangle;

[0016] The connecting groove is adapted to the connecting head, and after installation, the main cross arm and the auxiliary cross arm are at the same height.

[0017] Furthermore, the clamping block is provided with a V-shaped clamping opening, and the V-shaped opening faces the secondary cross arm.

[0018] Furthermore, the adjusting screw is provided with an adjusting hole.

[0019] Furthermore, a locking nut is provided on the connecting groove.

[0020] The beneficial effects of the utility model are embodied in:

[0021] In the utility model, the auxiliary cross arm is installed on the main cross arm for easy disassembly and assembly, and the main cross arm is equipped with an adjustable clamping block through an adjusting screw. When installing, it is moved to a desired position, the auxiliary cross arm is buckled on the main cross arm, and the adjusting screw is turned. There is no need to insert it from the top of the pole, and there is no need for a large number of installation tools. Both installation and disassembly are very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an exploded view of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0024] Description of reference numerals:

[0025] 1. Main cross arm, 2. Auxiliary cross arm, 3. Connecting rod, 4. Connecting head, 5. Connecting groove, 6. Clamping block, 7. Adjusting screw, 8. Adjusting block, 9. Fastening bolt, 10. Insulator, 11. Fastening nut, 12. Locking nut. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in 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. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that satisfy both A and B. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist.

[0029] See also Figures 1 to 2 The utility model discloses a high-strength tension crossarm that is easy to install and disassemble, comprising: a main crossarm 1, on which a pair of connecting rods 3 are symmetrically arranged, and on which a secondary crossarm 2 is quickly disassembled;

[0030] A clamping block 6 is installed between the pair of connecting rods 3 so as to be adjustable and tightened or loosened by means of an adjusting screw 7. The clamping block 6 is rotatably mounted on the adjusting screw 7, and the adjusting screw 7 is mounted on the adjusting block 8 by means of threads.

[0031] How it works

[0032] When in use, according to the needs of installation and rotation, lift the main crossarm and the auxiliary crossarm to the corresponding position, then surround the pole with the main crossarm connecting rod, install the auxiliary crossarm, and turn the adjusting screw to clamp the clamp.

[0033] When disassembling, first loosen the clamp by adjusting the screw, and then remove the auxiliary crossarm and the main crossarm in turn.

[0034] In the utility model, the auxiliary cross arm is installed on the main cross arm for easy disassembly and assembly, and the main cross arm is equipped with an adjustable clamping block through an adjusting screw; when installing, it is not necessary to insert it from the top of the pole, and a large number of installation tools are not required, and both installation and disassembly are very convenient.

[0035] In some embodiments see Figure 1 As shown, a connector 4 is provided at the end of the connecting rod 3;

[0036] The secondary cross arm 2 is provided with a connecting groove 5; the secondary cross arm 2 is embedded in the connecting groove 5 through a connecting head 4, and can be easily disassembled and rotated on the main cross arm 1.

[0037] In some embodiments see Figure 1 As shown, the adjustment block 8 is mounted on the main cross arm 1 by means of fastening bolts 9 , and the main cross arm 1 is provided with a through hole adapted to the adjustment screw 7 .

[0038] In some embodiments see Figure 1 As shown, insulators 10 are installed on the main cross arm 1 and the auxiliary cross arm 2 through bolts.

[0039] In some embodiments see Figure 2 As shown, the cross section of the connector 4 is a right triangle;

[0040] The connecting groove 5 is matched with the connecting head 4 , and after installation, the main cross arm 1 and the auxiliary cross arm 2 are at the same height.

[0041] In some embodiments see Figure 1 As shown, the clamp block 6 is provided with a V-shaped clamping opening, and the V-shaped opening faces the secondary cross arm 2 .

[0042] The V-shaped clamp can adapt to poles of different sizes, providing a better clamping effect.

[0043] In some embodiments see Figure 1 As shown, an adjustment hole is provided on the adjusting screw 7. The adjustment is used to facilitate the rotation of the adjusting screw, and a through hole is provided on the screw.

[0044] In some embodiments see Figure 1 As shown, a locking nut 12 is provided on the connecting groove 5 .

[0045] The above description is only a preferred embodiment of the present invention and is 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 high-strength tension crossarm that is easy to install and disassemble, characterized in that , comprising: a main cross arm (1), a pair of connecting rods (3) are symmetrically arranged on the main cross arm (1), and a secondary cross arm (2) is quickly detachably mounted on the connecting rod (3); A clamping block (6) is arranged between the pair of connecting rods (3) and can be adjusted to be clamped or loosened by means of an adjusting screw (7). The clamping block (6) is rotatably mounted on the adjusting screw (7), and the adjusting screw (7) is mounted on the adjusting block (8) by means of a thread.

2. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 1, characterized in that: The end of the connecting rod (3) is provided with a connecting head (4); The secondary cross arm (2) is provided with a connecting groove (5); the secondary cross arm (2) is embedded in the connecting groove (5) through a connecting head (4) and can be easily disassembled and rotated on the main cross arm (1).

3. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 1, characterized in that: The adjusting block (8) is mounted on the main cross arm (1) via a fastening bolt (9), and the main cross arm (1) is provided with a through hole adapted to the adjusting screw rod (7).

4. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 2, characterized in that: Insulators (10) are installed on the main cross arm (1) and the auxiliary cross arm (2) via bolts.

5. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 2, characterized in that: The cross section of the connector (4) is a right triangle; The connection groove (5) is adapted to the connection head (4), and after installation, the main cross arm (1) and the auxiliary cross arm (2) are at the same height.

6. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 1, characterized in that: The clamping block (6) is provided with a V-shaped clamping opening, and the V-shaped opening faces the secondary cross arm (2).

7. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 3, characterized in that: The adjusting screw (7) is provided with an adjusting hole.

8. The high-strength tension crossarm that is easy to install and disassemble as claimed in claim 2, characterized in that: A locking nut (12) is provided on the connecting groove (5).

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