Cross arm for corner of power line

Abstract

The utility model relates to the technical field of electric power engineering, and discloses a cross arm for an electric power line corner, which comprises two hoops distributed up and down, the wall surfaces of the two hoops are respectively provided with a cross arm body for supporting and a forming corner frame structure, and the wall surface of the hoop at the upper part is provided with a locking structure for adjusting the distance between the two cross arm bodies. The locking structure comprises an extension body and a locking block, the cross arm body is fixedly connected with the locking block, the locking block is locked with the extension body through a bolt, the extension body is fixedly connected with the hoop above, the locking block falls into the adjusting channel, the protrusion of the locking block falls into the anti-skid groove in the corresponding position, the bolt penetrates through the through groove in the wall face of the locking block and is locked through a nut, and the cross arm body is fixedly connected with the hoop. The two parallel cross arm bodies can adjust the distance, the distance between the two cross arm bodies arranged on the upper hoop can be adjusted within a certain range, the adjustable cross arm has the function of supporting the inflection point of a cable, installation and debugging are convenient, adjustability is higher, and the installation flexibility degree is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power engineering, in particular to a cross arm for a power line corner. Background Art

[0002] The prior art discloses a low-voltage corner arm structure for electric poles (CN201520658040.5), which includes a vertical pole arranged perpendicular to the ground, a front cross arm and a rear cross arm are respectively arranged on both sides of the top of the vertical pole, the front cross arm and the rear cross arm are parallel to each other and perpendicular to the vertical pole, one end of the front cross arm and the rear cross arm are clamped at the top of the vertical pole, and the other ends of the front cross arm and the rear cross arm extend in the same direction, and the wires are respectively connected to the front cross arm and the rear cross arm to form a V-shaped corner; a mounting hoop is arranged in the middle of the vertical pole, and a low-voltage cross arm is arranged on the mounting hoop;

[0003] The prior art installs two mutually parallel cross arms on the wall of the clamp, and the cable passes around the insulating columns on the two cross arms to form a V-shaped corner. The distance between the two cross arms will affect the force and support at the turning point of the cable. For cables of different specifications, the spacing at the turning point, that is, the distance between the two cross arms, needs to be adjusted. The two cross arms with a fixed spacing are lacking in adjustment and adaptation during the specific construction process, and there is a certain room for optimization.

[0004] To this end, we propose a cross arm for power line corners. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a cross arm for a power line corner.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a crossarm for a power line corner, comprising two clamps distributed upper and lower, the walls of the two clamps are provided with a crossarm body for support, a pull rod is provided between the crossarm body on the clamp wall and the clamp below, and the crossarm bodies on the two clamp walls jointly form a corner frame structure, the upper clamp is provided with two crossarm bodies, the upper clamp wall is provided with a locking structure for adjusting the distance between the two crossarm bodies, and the lower clamp wall is provided with a limiting assembly for adjusting and locking the pull rod, the locking structure comprises an extension body and a locking block, the crossarm body is fixedly connected to the locking block, the locking block is locked with the extension body by bolts, and the extension body is fixedly connected to the upper clamp.

[0007] As a preferred embodiment of the utility model, the locking structure also includes an adjustment channel and an anti-slip groove. The top surface of the extension body is provided with an adjustment channel and an anti-slip groove that are interconnected. The locking block slides in the adjustment channel and is engaged with the anti-slip groove.

[0008] As a preferred embodiment of the utility model, a plurality of anti-skid grooves are equidistantly provided on the inner wall of the adjustment channel, and the anti-skid grooves form semicircular grooves. A protrusion adapted to the anti-skid grooves is fixedly connected to the wall of the locking block, and the protrusion can be inserted into the anti-skid grooves at different positions to lock the position of the locking block.

[0009] As a preferred embodiment of the utility model, the adjustment channel forms a notch with a rectangular horizontal cross section, the locking block and the adjustment channel cooperate with each other, and the locking block and the wall surface of the extension body are penetrated by a through groove for installing bolts.

[0010] As a preferred embodiment of the utility model, the limiting assembly includes a sliding block and a locking hole. The sliding block is slidably connected to the lower clamp. The sliding block and the lower clamp jointly form a locking hole. A bolt is provided in the locking hole. The lower end of the pull rod is locked and fixed to the sliding block by the bolt, and the upper end of the pull rod is locked to the upper crossarm body by another bolt. The lower crossarm body is fixedly installed on the circumferential surface of the crossarm body.

[0011] As a preferred embodiment of the utility model, the limit assembly also includes a slideway and a thrust groove. The wall surface of the clamp below is provided with a slideway and a plurality of thrust grooves. The sliding block slides in the slideway. The wall surface of the sliding block is provided with a stop block, which can be stuck in the thrust groove.

[0012] As a preferred embodiment of the utility model, the slideway forms an arc-shaped groove, the sliding block and the slideway are used in cooperation with each other, and the stop block on the wall of the slideway is matched with the thrust groove.

[0013] Beneficial Effects

[0014] The utility model provides a cross arm for a power line corner, which has the following beneficial effects:

[0015] 1. A cross arm for a power line corner, wherein a locking block is dropped into an adjustment channel so that a protrusion of the locking block falls into an anti-slip groove at a corresponding position, a bolt is passed through a through groove on a wall of the locking block and is locked with a nut, thereby realizing the installation of one cross arm body, and the other cross arm body is locked and fixed in the same manner, so that the spacing between two cross arm bodies parallel to each other can be adjusted, and so that the spacing between two cross arm bodies arranged on the upper clamp can be adjusted within a certain range, and the redundant part of the cable between the two cross arm bodies can be adjusted, and the cable support at the inflection point can be adjusted, so that installation and debugging are facilitated, adjustability is stronger, and installation flexibility is higher.

[0016] 2. This crossarm for power line corners, by dropping the sliding block into the slideway, makes the stopper of the sliding block enter into different thrust grooves, and then the position of the crossarm body installed on the circumferential surface of the lower clamp is adjusted, and the sliding block and the lower end of the pull rod are locked by bolts, so that the upper and lower clamps form a whole, which has better supporting stability, the angle between the lower crossarm body and the upper crossarm body can be adjusted within a certain range, and the direction of the cables wrapped around the lower crossarm body can be adjusted, which has better adaptability, so as to facilitate flexible adjustment according to the cable direction on site. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0018] Figure 2 This is the second overall stereogram of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation of the extension body and the upper clamp of the utility model;

[0020] Figure 4 This is a schematic diagram of the installation of the sliding block and the lower clamp of the utility model;

[0021] Figure 5 It is a schematic diagram of the lower half of the hoop of the utility model.

[0022] Legend: 10, clamp; 11, cross arm body; 12, pull rod; 20, extension body; 21, adjustment channel; 22, locking block; 23, anti-slip groove; 30, sliding block; 31, locking hole; 32, slideway; 33, thrust groove. DETAILED DESCRIPTION

[0023] A cross arm for a power line corner, such as Figure 1 and Figure 2 As shown, it includes two clamps 10 distributed up and down, and the walls of the two clamps 10 are provided with a cross arm body 11 for support, and a pull rod 12 is provided between the cross arm body 11 on the wall of the clamp 10 and the clamp 10 below, and the cross arm bodies 11 on the walls of the two clamps 10 jointly form a corner frame structure, wherein the clamp 10 includes two half rings, and the two half rings together form a ring structure, and the two half rings are locked by bolts and fixed to the pole, and the cross arm body 11 is a pole structure, and cables of different directions can be respectively wound around the insulating columns of the upper and lower cross arm bodies 11.

[0024] like Figure 2 and Figure 3As shown, the upper hoop 10 is provided with two cross arm bodies 11, and the wall surface of the upper hoop 10 is provided with a locking structure for adjusting the distance between the two cross arm bodies 11, the locking structure includes an extension body 20 and a locking block 22, the cross arm body 11 is fixedly connected to the locking block 22, the locking block 22 is locked with the extension body 20 by bolts, the extension body 20 is fixedly connected to the upper hoop 10, the locking structure also includes an adjustment channel 21 and an anti-slip groove 23, and the top surface of the extension body 20 is provided with mutually The adjusting channel 21 and the anti-skid groove 23 are connected, the locking block 22 slides in the adjusting channel 21, the locking block 22 is engaged with the anti-skid groove 23, a plurality of anti-skid grooves 23 are arranged at equal intervals on the inner wall of the adjusting channel 21, the anti-skid grooves 23 form a semicircular groove, the wall of the locking block 22 is fixedly connected with a protrusion adapted to the anti-skid groove 23, the protrusion can be inserted into the anti-skid groove 23 at different positions to lock the position of the locking block 22, the adjusting channel 21 forms a horizontal cross-section including a rectangular notch but not limited to a rectangular notch, and the locking block 22 is fixedly connected to the wall of the locking block 22. The block 22 and the adjustment channel 21 are used in conjunction with each other, and the wall surfaces of the locking block 22 and the extension body 20 are penetrated with through grooves for installing bolts. In this scheme, by setting a locking structure, the upper clamp 10 is first installed and clamped to the pole, and one of the cross arm bodies 11 is placed above the clamp 10, and the locking block 22 falls into the adjustment channel 21, so that the protrusion of the locking block 22 falls into the anti-slip groove 23 at the corresponding position, and a bolt is passed through the through groove on the wall surface of the locking block 22 and locked with a nut to achieve the installation of one cross arm body 11, and the other cross arm body 11 is locked and fixed in the same way, so that the spacing between the two parallel cross arm bodies 11 can be adjusted, and the spacing between the two cross arm bodies 11 set on the upper clamp 10 can be adjusted within a certain range, and the redundant part of the cable between the two cross arm bodies 11 can be adjusted, which has the function of adjusting the support at the turning point of the cable, is convenient for installation and debugging, has stronger adjustability, and higher installation flexibility.

[0025] like Figure 1 , Figure 4 and Figure 5As shown, the wall surface of the lower clamp 10 is provided with a limit assembly for adjusting and locking the pull rod 12, the limit assembly includes a sliding block 30 and a locking hole 31, the sliding block 30 is slidably connected to the lower clamp 10, the sliding block 30 and the lower clamp 10 jointly open a locking hole 31, a bolt is arranged in the locking hole 31, the lower end of the pull rod 12 is locked and fixed with the sliding block 30 by the bolt, the upper end of the pull rod 12 is locked with the upper cross arm body 11 by another bolt, the lower cross arm body 11 is fixedly installed on the circumferential surface of the cross arm body 11, the limit assembly also includes a slideway 32 and a thrust groove 33, the wall surface of the lower clamp 10 opens a slideway 32 and a plurality of thrust grooves 33, the sliding block 30 slides in the slideway 32, the wall surface of the sliding block 30 is provided with a stopper, and the stopper can be stuck in In the thrust groove 33, the slide 32 forms an arc groove, the sliding block 30 and the slide 32 cooperate with each other, the block on the wall of the slide 32 is adapted to the thrust groove 33, and the sliding block 30 is dropped into the slide 32, so that the block of the sliding block 30 enters different thrust grooves 33, and then the position of the cross arm body 11 installed on the circumferential surface of the lower clamp 10 is adjusted, and the sliding block 30 and the lower end of the pull rod 12 are locked by bolts, so that the upper and lower clamps 10 form a whole, which has better supporting stability, and the angle between the lower cross arm body 11 and the upper cross arm body 11 can be adjusted within a certain range, and the direction of the cable wrapped around the lower cross arm body 11 can be adjusted, which has better adaptability, so as to facilitate flexible adjustment according to the cable direction on site.

[0026] The working principle of the utility model is as follows: first, the upper clamp 10 is installed and clamped to the electric pole, one of the cross arm bodies 11 is placed above the clamp 10, and the locking block 22 is placed in the adjustment channel 21, so that the protrusion of the locking block 22 falls in the anti-slip groove 23 at the corresponding position, and a bolt is passed through the through groove of the wall of the locking block 22 and locked with a nut to realize the installation of one cross arm body 11, and the other cross arm body 11 is locked and fixed in the same way, so that the spacing between the two mutually parallel cross arm bodies 11 can be adjusted;

[0027] The sliding block 30 is dropped into the slideway 32 so that the stopper of the sliding block 30 enters into different thrust grooves 33, and then the position of the cross arm body 11 installed on the circumferential surface of the lower clamp 10 is adjusted, and the sliding block 30 and the lower end of the pull rod 12 are locked by bolts so that the upper and lower clamps 10 form a whole. The adjustable position sliding block 30 can ensure that the side wall of the sliding block 30 can fit with the pull rod 12 without being interfered by the rotation of the lower clamp 10.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cross arm for a power line corner, comprising two clamps (10) distributed up and down, the top surfaces of the two clamps (10) are each provided with a cross arm body (11) for supporting, a pull rod (12) is provided between the cross arm body (11) on the wall of the clamp (10) and the clamp (10) below, and the cross arm bodies (11) on the wall of the two clamps (10) jointly form a corner frame structure, characterized in that: The upper clamp (10) is provided with two cross arm bodies (11); the wall surface of the upper clamp (10) is provided with a locking structure for adjusting the distance between the two cross arm bodies (11); the wall surface of the lower clamp (10) is provided with a limit assembly for adjusting and locking the pull rod (12); the locking structure comprises an extension body (20) and a locking block (22); the cross arm body (11) is fixedly connected to the locking block (22); the locking block (22) is locked with the extension body (20) by bolts; and the extension body (20) is fixedly connected to the upper clamp (10).

2. The cross arm for corner of power line according to claim 1, characterized in that: The locking structure further comprises an adjusting channel (21) and an anti-slip groove (23); the top surface of the extension body (20) is provided with an adjusting channel (21) and an anti-slip groove (23) which are interconnected; the locking block (22) slides in the adjusting channel (21), and the locking block (22) is engaged with the anti-slip groove (23).

3. The cross arm for corner of power line according to claim 2, characterized in that: The inner wall surface of the adjustment channel (21) is provided with a plurality of anti-skid grooves (23) at equal intervals, the anti-skid grooves (23) form semicircular grooves, and the wall surface of the locking block (22) is fixedly connected with a protrusion adapted to the anti-skid grooves (23), and the protrusion can be inserted into the anti-skid grooves (23) at different positions to lock the position of the locking block (22).

4. The cross arm for power line corner according to claim 2, characterized in that: The adjusting channel (21) forms a notch with a rectangular horizontal cross section. The locking block (22) and the adjusting channel (21) are used in cooperation with each other. The locking block (22) and the wall surface of the extension body (20) are penetrated by a through slot for installing a bolt.

5. The cross arm for corner of power line according to claim 1, characterized in that: The limiting assembly includes a sliding block (30) and a locking hole (31), the sliding block (30) is slidably connected to the lower clamp (10), the sliding block (30) and the lower clamp (10) jointly define a locking hole (31), a bolt is provided in the locking hole (31), the lower end of the pull rod (12) is locked and fixed to the sliding block (30) by the bolt, the upper end of the pull rod (12) is locked to the upper cross arm body (11) by another bolt, and the lower cross arm body (11) is fixedly mounted on the circumferential surface of the cross arm body (11).

6. The cross arm for power line corner according to claim 5, characterized in that: The limit assembly also includes a slideway (32) and a thrust groove (33). The wall surface of the lower clamp (10) is provided with a slideway (32) and a plurality of thrust grooves (33). The sliding block (30) slides in the slideway (32). The wall surface of the sliding block (30) is provided with a stop block, which can be inserted into the thrust groove (33).

7. The cross arm for corner of power line according to claim 6, characterized in that: The slideway (32) forms an arc-shaped groove, the sliding block (30) and the slideway (32) are used in cooperation with each other, and the stop block on the wall of the slideway (32) is matched with the thrust groove (33).

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