Transmission pole cross arm

Abstract

The utility model relates to the technical field of power transmission lines, in particular to a power transmission pole cross arm which comprises an electric pole body, an installation sleeve clamp is arranged on the electric pole body in a sleeved mode, positioning assemblies are arranged on the two sides of the installation sleeve clamp, cross arm bodies are fixed to the two ends of the outer wall of the installation sleeve clamp, and reinforcing assemblies are arranged on the cross arm bodies. Connecting bases are fixed to the tops of the reinforcing assemblies, the same clamping cap is fixed between the two connecting bases, the clamping cap is arranged on the top of the electric pole body in a sleeving mode, and a transverse through opening is formed between the two sides of the cross arm body. According to the utility model, the two fixing nodes forming the pole cross rod are adopted, so that the cross arm can be fully and stably mounted on the pole body, the problem that the fixing nodes are loosened due to the fact that the cross arm is heavily pressed by cables and wires and eroded by rainwater for a long time is avoided, the distance between the two fixing nodes is adjustable, and the mounting requirements of cables and wires with different heights are met; and the function of installing cables and wires at different intervals is also realized.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission lines, in particular to a cross arm of a power transmission pole. Background Art

[0002] The cross arm of the electric pole is an angle iron fixed horizontally on the top of the electric pole, with a porcelain bottle on it, used to support the overhead wires. The cross arm 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 safe distance as required.

[0003] At present, the existing pole crossarm generally uses a fixed node to fix it on the pole. The long-term pressure of cables and wires and erosion by rain will cause the fixed node to loosen, making its installation tightness poor and need to be improved. Therefore, it is urgent to design a transmission pole crossarm to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a transmission pole cross arm to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A transmission pole crossarm comprises a pole body, a mounting sleeve clamp is sleeved on the pole body, and positioning components are arranged on both sides of the mounting sleeve clamp, a crossarm body is fixed to both ends of the outer wall of the mounting sleeve clamp, and a reinforcement component is arranged on the crossarm body, a connecting seat is fixed to the top of the reinforcement component, a same clamping cap is fixed between the two connecting seats, and the clamping cap is sleeved on the top of the pole body, a transverse through opening is opened between the two sides of the crossarm body, and a longitudinal through opening is opened between the middle position of the bottom of the transverse through opening and the bottom of the crossarm body, limiting grooves distributed at equal distances are opened between the top of the inner walls on both sides of the longitudinal through opening and the inner wall of the bottom of the transverse through opening, a plurality of T-shaped adjustment blocks are inserted into the interior of the limiting grooves and the inner wall of the longitudinal through opening, insulators are fixedly installed in the middle position of the T-shaped adjustment blocks, and a clamping assembly is arranged on the top of the T-shaped adjustment blocks.

[0007] Furthermore, the positioning assembly includes mounting grooves on both sides of the inner wall of the mounting sleeve, and the inner walls of the mounting grooves are plugged with clamping seats, the middle position of the mounting grooves is provided with threaded holes, and the inner walls of the threaded holes are screwed with positioning screws, the middle position of one side of the clamping seat is provided with a second mounting hole, and the inner wall of the second mounting hole is rotatably provided with a second rotating shaft, and one end of the second rotating shaft is fixed to one end of the positioning screw.

[0008] Furthermore, one side of the clamping seat is provided with anti-slip grooves distributed at equal distances, and one side of the clamping seat is designed to be in an arc shape.

[0009] Furthermore, the reinforcement component includes a threaded column fixed at one end of the bottom of the two connecting seats, and the threaded column is screwed with an internal threaded tube, the bottom of the internal threaded tube is fixed with a knob rack, one end of the two cross arm bodies is opened with a first mounting hole, and the inner wall of the first mounting hole is rotatably provided with a first rotating shaft, and the top of the first rotating shaft is fixed to the bottom of the knob rack.

[0010] Furthermore, the cross-section of the first rotating shaft and the cross-section of the second rotating shaft are both T-shaped.

[0011] Furthermore, the knob frame includes a rotating outer frame fixed between the first rotating shaft and the internal threaded cylinder, and a tool rotating frame is fixed to the inner wall of the rotating outer frame.

[0012] Furthermore, the clamping assembly includes a slide groove opened in the middle position of the top inner wall of the transverse through opening, and telescopic rods are fixed at both ends of the top of the T-shaped adjustment block, a top frame is fixed on the top of the telescopic rod, and the inner wall of the top frame is rotatably connected to a pulley fitted in the slide groove, and springs are fixed between both ends of the bottom of the top frame and the top of the T-shaped adjustment block, and the springs are sleeved on the outside of the telescopic rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model adopts a reinforcement component, a clamping cap, an installation sleeve clamp, and a positioning component to form two fixed nodes of the pole crossbar, so that the crossbar can be fully and firmly installed on the pole body, avoiding the problem of loosening of the fixed nodes due to long-term heavy pressure of cables and wires and erosion by rainwater, and making the distance between the two fixed nodes adjustable to meet the installation requirements of cables and wires at different heights;

[0015] The utility model can adjust the position of the insulator to realize the function of installing cables and wires with different spacings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a transmission pole cross arm.

[0017] Figure 2 The present invention is a cross-sectional view of an installation sleeve clamp and a clamping cap for a transmission pole cross arm.

[0018] Figure 3 The figure is a schematic diagram of the structure of a positioning component of a transmission pole cross arm.

[0019] Figure 4 The present invention is a schematic diagram of the structure of an internal threaded barrel and a threaded column of a transmission pole cross arm.

[0020] Figure 5 The present invention is a schematic diagram of a cross arm body and an insulator structure of a transmission pole cross arm.

[0021] Figure 6 The figure is a schematic diagram of the spring and pulley structure of a transmission pole cross arm.

[0022] In the figure: 1. Pole body; 2. Mounting clamp; 3. Cross arm body; 4. Insulator; 5. Horizontal through-hole; 6. Reinforcement assembly; 601. Internal threaded cylinder; 602. Threaded column; 603. Knob rack; 604. First rotating shaft; 7. Connecting seat; 8. Cap; 9. Positioning assembly; 901. Mounting groove; 902. Clamping seat; 903. Anti-skid groove; 904. Threaded hole; 905. Positioning screw; 10. Slide groove; 11. Vertical through-hole; 12. Limiting groove; 13. T-shaped adjustment block; 14. Telescopic rod; 15. Spring; 16. Pulley; 17. Top frame. DETAILED DESCRIPTION

[0023] 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. Based on the embodiments in 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.

[0024] See also Figure 1-Figure 6In an embodiment of the utility model, a transmission pole cross arm includes a pole body 1, a mounting sleeve 2 is sleeved on the pole body 1, and positioning components 9 are arranged on both sides of the mounting sleeve 2, the positioning components 9 include mounting grooves 901 opened on both sides of the inner wall of the mounting sleeve 2, and the inner walls of the mounting grooves 901 are plugged with clamping seats 902, the middle positions of the mounting grooves 901 are opened with threaded holes 904, and the inner walls of the threaded holes 904 are screwed with positioning screws 905, the middle positions of one side of the clamping seats 902 are opened with second mounting holes, and the inner walls of the second mounting holes are rotatably provided with second rotating shafts, and one end of the second rotating shaft is connected to the positioning screw 90 5 is fixed, both ends of the outer wall of the mounting sleeve 2 are fixed with a cross arm body 3, and a reinforcement component 6 is arranged on the cross arm body 3, a connecting seat 7 is fixed on the top of the reinforcement component 6, a same clamping cap 8 is fixed between the two connecting seats 7, and the clamping cap 8 is sleeved on the top of the pole body 1, the reinforcement component 6 includes a threaded column 602 fixed to one end of the bottom of the two connecting seats 7, and an internal threaded cylinder 601 is screwed on the threaded column 602, and a knob frame 603 is fixed to the bottom of the internal threaded cylinder 601, a first mounting hole is opened at one end of the two cross arm bodies 3, and a first rotating shaft 604 is rotatably arranged on the inner wall of the first mounting hole, and the first rotating shaft The top of the shaft 604 is fixed to the bottom of the knob frame 603. The cross-sections of the first rotating shaft 604 and the second rotating shaft are both T-shaped. The knob frame 603 includes a rotating outer frame fixed between the first rotating shaft 604 and the internal threaded cylinder 601, and a tool rotating frame is fixed to the inner wall of the rotating outer frame. The height of the internal threaded cylinder 601, the installation sleeve 2 and the cross arm body 3 are adjusted by the knob frame 603 in the reinforcement component 6. The clamping seat 902 is clamped on the outside of the pole body 1 by the positioning screw 905 in the positioning component 9 to form two fixed nodes of the pole crossbar, and the distance between the two fixed nodes is adjustable to meet the needs of different heights. In order to meet the requirements of cable and wire installation, a transverse through opening 5 is opened between the two sides of the crossarm body 3, and a longitudinal through opening 11 is opened between the bottom middle position of the transverse through opening 5 and the bottom of the crossarm body 3, and equidistantly distributed limiting grooves 12 are opened between the top of the inner walls on both sides of the longitudinal through opening 11 and the bottom inner wall of the transverse through opening 5, and a plurality of T-shaped adjustment blocks 13 are inserted into the interior of the limiting grooves 12 and the inner wall of the longitudinal through opening 11, and insulators 4 are fixedly installed in the middle position of the T-shaped adjustment blocks 13, and a clamping assembly is arranged on the top of the T-shaped adjustment blocks 13, so that the entire pole crossarm has the function of adjusting the position of the insulator 4, so as to realize the installation of cables and wires with different spacings.

[0025] Specifically, one side of the clamping seat 902 is provided with anti-skid grooves 903 distributed at equal distances, and one side of the clamping seat 902 is designed to be in an arc shape, so that the clamping friction force is increased by the anti-skid grooves 903, thereby improving the fastening effect.

[0026] Specifically, the clamping assembly includes a slide groove 10 opened in the middle position of the top inner wall of the transverse opening 5, and telescopic rods 14 are fixed to both ends of the top of the T-shaped adjustment block 13, and a top frame 17 is fixed to the top of the telescopic rod 14. The inner wall of the top frame 17 is rotatably connected to a pulley 16 that fits in the slide groove 10, and springs 15 are fixed between both ends of the bottom of the top frame 17 and the top of the T-shaped adjustment block 13, and the spring 15 is sleeved on the outside of the telescopic rod 14. The stability of the insulator 4 after adjustment is ensured by the pressing action of the clamping assembly.

[0027] The working principle of the utility model is as follows: when in use, the user sets the installation sleeve clamp 2 on the pole body 1, and clamps the clamping cap 8 on the top of the pole body 1, adjusts the height of the internal threaded tube 601, the installation sleeve clamp 2 and the cross arm body 3 through the knob rack 603 in the reinforcement component 6, and uses the positioning screw 905 in the positioning component 9 to adjust the clamping seat 902 to clamp on the outside of the pole body 1 to form two fixed nodes of the pole cross bar, so that the cross arm body 3 can be fully and firmly installed on the pole body 1, so that the distance between the two fixed nodes is adjustable to meet the installation requirements of cables and wires at different heights. The user adjusts the horizontal position of the T-shaped adjustment block 13 and the insulator 4, and cooperates with the pressing effect of the clamping component to ensure the stability of the insulator 4 after adjustment, so that the entire pole cross arm has the function of adjusting the position of the insulator 4, so as to realize the installation of cables and wires with different spacings.

[0028] 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 that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A transmission pole cross arm, comprising a pole body (1), characterized in that: The pole body (1) is sleeved with a mounting sleeve (2), and positioning components (9) are arranged on both sides of the mounting sleeve (2), a cross arm body (3) is fixed to both ends of the outer wall of the mounting sleeve (2), and a reinforcement component (6) is arranged on the cross arm body (3), a connecting seat (7) is fixed to the top of the reinforcement component (6), a same clamping cap (8) is fixed between the two connecting seats (7), and the clamping cap (8) is sleeved on the top of the pole body (1), and a cross-through is opened between the two sides of the cross arm body (3). A longitudinal opening (11) is provided between the middle position of the bottom of the transverse opening (5) and the bottom of the cross arm body (3), and limiting grooves (12) are provided between the tops of the inner walls on both sides of the longitudinal opening (11) and the inner walls of the bottom of the transverse opening (5) at equal distances, and a plurality of T-shaped adjustment blocks (13) are inserted into the interior of the limiting grooves (12) and the inner walls of the longitudinal opening (11), and an insulator (4) is fixedly installed at the middle position of the T-shaped adjustment block (13), and a clamping assembly is provided at the top of the T-shaped adjustment block (13).

2. A transmission pole cross arm according to claim 1, characterized in that: The positioning assembly (9) comprises mounting grooves (901) provided on both sides of the inner wall of the mounting sleeve clamp (2), and the inner walls of the mounting grooves (901) are plugged with clamping seats (902), the middle position of the mounting grooves (901) is provided with threaded holes (904), and the inner walls of the threaded holes (904) are screwed with positioning screws (905), the middle position of one side of the clamping seat (902) is provided with a second mounting hole, and the inner wall of the second mounting hole is rotatably provided with a second rotating shaft, and one end of the second rotating shaft is fixed to one end of the positioning screw (905).

3. A transmission pole cross arm according to claim 2, characterized in that: One side of the clamping seat (902) is provided with anti-slip grooves (903) distributed at equal distances, and one side of the clamping seat (902) is designed to be in an arc shape.

4. A transmission pole cross arm according to claim 1, characterized in that: The reinforcement assembly (6) comprises a threaded column (602) fixed at one end of the bottom of the two connecting seats (7), and the threaded column (602) is screwed with an internal threaded tube (601), and the bottom of the internal threaded tube (601) is fixed with a knob frame (603), and one end of the two cross arm bodies (3) is provided with a first mounting hole, and the inner wall of the first mounting hole is rotatably provided with a first rotating shaft (604), and the top of the first rotating shaft (604) is fixed to the bottom of the knob frame (603).

5. A transmission pole cross arm according to claim 4, characterized in that: The cross-section of the first rotating shaft (604) and the cross-section of the second rotating shaft are both T-shaped.

6. A transmission pole cross arm according to claim 5, characterized in that: The knob frame (603) comprises a rotating outer frame fixed between the first rotating shaft (604) and the internal threaded cylinder (601), and a tool rotating frame is fixed to the inner wall of the rotating outer frame.

7. The transmission pole cross arm according to claim 1, characterized in that: The clamping assembly comprises a slide groove (10) provided at the middle position of the top inner wall of the transverse opening (5), and telescopic rods (14) are fixed at both ends of the top of the T-shaped adjustment block (13), a top frame (17) is fixed at the top of the telescopic rod (14), the inner wall of the top frame (17) is rotatably connected to a pulley (16) fitted in the slide groove (10), and springs (15) are fixed between both ends of the bottom of the top frame (17) and the top of the T-shaped adjustment block (13), and the spring (15) is sleeved on the outside of the telescopic rod (14).

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