CN210530464U

CN210530464U - Cross arm U-shaped hoop

Info

Publication number: CN210530464U
Application number: CN201921109897.6U
Authority: CN
Inventors: 李志荣
Original assignee: Nanjing Lishui Baima Hardware Circuit Equipment Co Ltd
Current assignee: Nanjing Lishui Baima Hardware Circuit Equipment Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-05-15
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to a cross arm U-shaped staple bolt, include the hoop and locate the connecting plate of hoop both sides, the hoop bottom is equipped with the ring piece along its length, the ring piece bottom is equipped with the recess along its length, the ring piece is located the recess both sides are equipped with the spout, the ring piece is located the recess internal slipping is equipped with slides the complex telescopic net rack with the spout, the spout bottom is equipped with the stopper, telescopic net rack bottom both ends are equipped with the fixed column, two be equipped with elastic clamping element on the fixed column, pull out and open telescopic net rack from the recess, utilize elastic clamping element to hug closely telescopic net rack and fix on the wire pole, increase the area of contact of U-shaped staple bolt and wire pole, the utility model discloses have the effect that the wire pole that is difficult for sliding and drops.

Description

Cross arm U-shaped hoop

Technical Field

The utility model belongs to the technical field of power equipment's technique and specifically relates to a cross arm U-shaped staple bolt is related to.

Background

The U-shaped hoop is divided into a round steel hoop and a flat iron hoop, generally speaking, the electric power hoop is the round steel hoop and is mainly matched with a cross arm to be used, the cross arm is firmly fixed on a telegraph pole, and the cross arm bears the tension and the tension of an electric wire.

Referring to fig. 1, the U-shaped hoop is used for connecting a single angle steel member with a telegraph pole, and comprises a hoop 1, connecting plates 2 arranged on two sides of an opening of the hoop, square pads 17 arranged on the connecting plates 2 in a penetrating mode, and nuts 18 connected to the tops of the connecting plates in a threaded mode, the U-shaped hoop penetrates through the cross arm, the nuts are matched with the connecting plates in a threaded mode to press the square pads tightly against the cross arm, and the cross arm is fixed on the telegraph pole.

The above prior art solutions have the following drawbacks: when the cross arm is fixed on the telegraph pole through the U-shaped staple bolt, because one side that the U-shaped staple bolt contacts with the telegraph pole is smooth, cause the frictional force between U-shaped staple bolt and the telegraph pole less, lead to the easy emergence phenomenon of sliding of U-shaped staple bolt, have certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cross arm U-shaped staple bolt has the effect that the wire pole that drops is difficult for sliding.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model relates to a cross arm U-shaped staple bolt, include the hoop and locate the connecting plate of hoop both sides, the hoop bottom is equipped with the ring piece along its length, the ring piece bottom is equipped with the recess along its length, the ring piece is located the recess both sides are equipped with the spout, the ring piece is located the recess internal slipping is equipped with slides the complex telescopic net frame with the spout, the spout bottom is equipped with the stopper, telescopic net frame bottom both ends are equipped with the fixed column, two be equipped with elastic clamping spare on the fixed column.

By adopting the technical scheme, before the cross arm is installed, the telescopic net rack is pulled out from the groove, the telescopic net rack slides to the top end of the limiting block from top to bottom along the sliding groove, the top of the telescopic rod is limited in the groove due to the action of the limiting block, the telescopic net rack is continuously pulled down to be unfolded until the telescopic net rack is completely unfolded, then the opening side of the hoop is aligned with and close to the telegraph pole, the two elastic clamping pieces are respectively wound to the back side of the telegraph pole and are mutually fixed on the telegraph pole, and at the moment, the telescopic net; the telescopic net rack can be retracted into the groove, so that the space is saved; the telescopic net rack is fastened on the telegraph pole through the elastic clamping part, so that the contact area and the friction force of the anchor ear and the telegraph pole are increased, and the U-shaped anchor ear is not easy to slip off on the telegraph pole and has high stability.

The utility model discloses further set up to: the flexible rack includes with the spout complex slide bar that slides, follows slide bar length direction and articulate the telescopic link subassembly in smooth bottom and with telescopic link subassembly bottom articulated sill bar, the fixed column with the sill bar is fixed.

By adopting the technical scheme, the length of the telescopic rod component is shorter than that of the sliding rod, the two ends of the sliding rod are close to the limiting blocks and are limited above the limiting blocks along with the sliding of the sliding rod in the sliding groove, the telescopic rod component is pulled by the bottom rod, and the telescopic rod component is gradually unfolded under the limiting action of the limiting blocks; the sliding fit of the sliding rod and the sliding groove ensures the stability of the sliding process of the telescopic rod component; and simultaneously ensures the practicability of the telescopic rod component capable of continuously expanding downwards.

The utility model discloses further set up to: the telescopic link subassembly includes a plurality of head and the tail telescopic link of mutual articulated, wherein, the head end of head end telescopic link with the slide bar is articulated, the tail end of tail end telescopic link with the sill bar is articulated.

By adopting the technical scheme, the telescopic rod component has a telescopic function, and can expand the telescopic net rack to increase the contact area with the telegraph pole; also provides conditions for the telescopic net frame to be contracted in the groove.

The utility model discloses further set up to: the elastic clamping piece comprises a rubber rope wound on the fixing column, an extension spring arranged in the rubber rope and protruding out of one end of the rubber rope, and a fixing hook arranged at one end of the extension spring protruding out of the rubber rope.

By adopting the technical scheme, after the telescopic rod component is completely unfolded, the fixing hooks are held by hands, the extension springs are extended and are respectively pulled to the rear part of the telegraph pole from two sides of the telegraph pole, the extension springs are in an extension state, the rubber ropes and the telescopic rod component are tightly attached to the telegraph pole, and the two fixing hooks are hooked and tightly attached to the side wall of the telegraph pole; the extension spring can make the telescopic rod component cling to the telegraph pole, and the friction force between the telescopic rod component and the telegraph pole is increased through the rubber rope.

The utility model discloses further set up to: the bottom of the bottom rod is fixed with a balancing weight, and the balancing weight is arranged along the length of the bottom rod.

Through adopting above-mentioned technical scheme, the balancing weight increases sill bar weight, helps enlarging the area of contact of flexible pole subassembly and wire pole to increase the frictional force with the wire pole.

The utility model discloses further set up to: the stopper is kept away from spout one side is established to the wedge face, both ends slide along its length direction in the counter weight piece and are equipped with flexible groove, flexible inslot sliding is equipped with the slider, be fixed with compression spring between slider and the flexible groove diapire, the counter weight bottom be equipped with the passageway that slides that flexible groove communicates mutually, the slider is located be equipped with of the bottom of counter weight piece dials the ring, dial the ring and pass the passageway that slides.

By adopting the technical scheme, before the cross arm is installed, the compression spring is in a natural state, the bottoms of the two ends of the sliding block abut against the upper surface of the limiting block, the limiting block supports the telescopic net rack, the sliding blocks are mutually close to each other and slide through the shifting ring, the limiting of the limiting block on the telescopic net rack is temporarily eliminated, and the telescopic net rack descends and slides in the sliding groove until the two ends of the sliding rod contact with the limiting block; when the telescopic net rack is required to be accommodated into the groove, the telescopic net rack is only required to be pushed upwards into the groove, the end part of the sliding block slides on the wedge-shaped surface of the limiting block, the sliding block and the shifting ring slowly slide to be close to the middle part of the balancing weight, the compression spring is stressed and compressed until the sliding block is positioned at the top end of the limiting block, and the compression spring restores the original telescopic amount to push the sliding block to the inner wall of the groove, so that the; the wedge-shaped surface has a guiding function for the slider.

The utility model discloses further set up to: the two end parts of the ring block are hinged with arc-shaped elastic pieces, the arc-shaped elastic pieces are bent towards one side of the ring block, the ends, close to each other, of the arc-shaped elastic pieces are detachably connected, and the inner walls of the arc-shaped elastic pieces are tightly attached to the telegraph pole.

By adopting the technical scheme, when the cross arm is installed, the opening of the hoop is aligned to the telegraph pole, the openings of the two arc-shaped elastic pieces are opened to the maximum, the telegraph pole is wrapped from two sides by utilizing the elasticity of the arc-shaped elastic pieces until the inner wall of the arc-shaped elastic pieces is attached to the outer wall of the telegraph pole, the arc-shaped elastic pieces are close to one end and fixed and tightly attached to the side wall of the telegraph pole, the contact area between the U-shaped hoop and the telegraph pole is increased, and the.

The utility model discloses further set up to: and a rubber pad is arranged on one side wall of the telescopic rod assembly and the arc-shaped elastic sheet close to the telegraph pole.

By adopting the technical scheme, the rubber pad has an anti-skid function, and the rubber pad is contacted with the telegraph pole, so that the friction force between the U-shaped hoop and the telegraph pole is further increased; in addition, the rubber pad has buffering performance, and the telescopic rod assembly and the arc-shaped elastic sheet are prevented from deforming.

To sum up, the utility model discloses a beneficial technological effect does:

the U-shaped hoop is high in stability: the telescopic net rack is fastened on the telegraph pole through the elastic clamping piece, so that the contact area and the friction force between the telescopic net rack and the telegraph pole are increased, the U-shaped hoop is not easy to fall off, and the stability is high;

2. the rubber rope is arranged on the side wall of the telegraph pole in a looped mode, and the arc-shaped elastic pieces are tightly attached to the telegraph pole, so that the connection stability of the U-shaped hoop and the telegraph pole is further improved;

3. the bottom of the telescopic net rack is provided with a balancing weight and a pull ring, so that the smoothness of sliding of the telescopic net rack in the groove is improved.

Drawings

Fig. 1 is a schematic view of a prior art structure.

Fig. 2 is an explosion diagram of the overall structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is a schematic diagram of the internal structure of the ring block of the present invention.

Fig. 5 is a schematic view of the construction of the spring clamp.

Fig. 6 is a schematic view of the connection structure of the U-shaped hoop, the ring block and the arc-shaped elastic sheet.

In the figure: 1. a hoop; 2. a connecting plate; 3. a ring block; 30. a groove; 31. a chute; 4. a slide bar; 5. a telescopic net frame; 51. a telescopic rod assembly; 511. a telescopic rod; 6. a limiting block; 7. fixing a column; 8. a resilient clamping member; 81. a rubber cord; 82. an extension spring; 83. a fixed hook; 9. a balancing weight; 90. a telescopic groove; 91. a slipping channel; 10. a slider; 11. an arc-shaped elastic sheet; 12. a rubber pad; 13. a compression spring; 15. ring shifting; 16. a bottom rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 2 and 4, in order to disclose a cross arm U-shaped hoop of the present invention, including a hoop 1 and connecting plates 2 disposed at both sides of the hoop 1, a ring block 3 is disposed on an inner wall of the hoop 1 along the length thereof, a groove 30 is disposed inside the ring block 3 along the length thereof, the groove 30 is communicated with the bottom of the ring block 3, sliding grooves 31 are disposed on both side walls of the groove 30 in the ring block 3, a telescopic net rack 5 slidably engaged with the sliding grooves 31 is disposed in the groove 30, a stopper 6 is disposed at the bottom of the sliding grooves 31, fixing columns 7 are disposed at both ends of the bottom of the telescopic net rack 5, and elastic clamping members 8 are; the telescopic net rack 5 is pulled out from the groove 30, the telescopic net rack 5 slides to the top end of the limiting block 6 from top to bottom along the sliding groove 31, the telescopic net rack 5 is unfolded under the action of the limiting block 6, the hoop 1 is aligned with the telegraph pole, and the telescopic net rack 5 and the hoop 1 are tightly attached to and fixed on the outer wall of the telegraph pole through the elastic clamping piece 8; the telescopic net rack 5 is fastened on the telegraph pole through the elastic clamping part 8, so that the contact area and the friction force between the U-shaped hoop and the telegraph pole are increased, and the U-shaped hoop is not easy to slip off the telegraph pole.

Referring to fig. 2 and 4, the telescopic net frame 5 comprises a sliding rod 4 in sliding fit with the sliding chute 31, a telescopic rod assembly 51 hinged along the length direction of the sliding rod 4, and a bottom rod 16 hinged with the bottom of the telescopic rod assembly 51, fixed columns 7 are fixed at two ends of the bottom rod 16, a counterweight 9 is fixed at the bottom of the bottom rod 16 along the length of the bottom rod, and the lengths of the telescopic rod assembly 51 and the counterweight 9 are shorter than the length of the sliding rod 4; along with the sliding of the sliding rod 4 in the sliding groove 31, the two ends of the sliding rod 4 are close to the limiting block 6 and are limited above the limiting block 6, and the handheld counter weight block 9 and the bottom rod 16 continue to pull the telescopic rod assembly 51 and are completely unfolded; the sliding rod 4 is in sliding fit with the sliding groove 31 to improve the stability of the sliding and unfolding process of the telescopic rod assembly 51; the longer length of the sliding rod ensures that the telescopic rod assembly 51 can be continuously extended and contracted.

Referring to fig. 2, the telescopic rod assembly 51 comprises a plurality of telescopic rods 511 hinged end to end, wherein the head end telescopic rod 511 near one end of the sliding rod 4 is hinged at the bottom of the sliding rod 4, and the tail end telescopic rod 511 near one end of the bottom rod 16 is hinged at the top of the bottom rod 16; the telescopic rod assembly 51 has a telescopic function, and the telescopic rod assembly 51 is unfolded to increase the contact area with the outer wall of the utility pole.

Referring to fig. 5 and 2, the elastic clamping member includes a rubber rope 81 wound on the fixing post 7, a tension spring 82 disposed in the rubber rope 81 and protruding one end of the rubber rope 81, and a fixing hook 83 disposed at one end of the tension spring 82 protruding the rubber rope 81; after the telescopic rod assembly 51 is completely unfolded, the extension springs 82 at the two ends are stretched and extend from the telegraph pole to the back of the telegraph pole, and two fixing hooks 83 are fixed, the fixing hooks 83 tightly attach the telescopic rod assembly 51 to the side wall of the telegraph pole, and meanwhile, the rubber rope 81 is tightly attached to the side wall of the telegraph pole under the action of the extension springs 82; the rubber cords further increase the friction between the pole assembly 51 and the pole side walls.

Referring to fig. 2 and 3, a counterweight 9 is fixed at the bottom of the bottom rod 16 along the length thereof, the counterweight 9 is as long as the bottom rod 16, telescopic grooves 90 are formed at two ends of the counterweight 9 along the length thereof, a slider 10 is slidably arranged in the telescopic grooves 90, a compression spring 13 (not shown in the figure) is connected between the slider 10 and the telescopic grooves 90, a sliding channel 91 communicated with the telescopic grooves 90 is formed at the bottom of the counterweight 9, a shifting ring 15 is arranged at the bottom of the slider 10, the shifting ring 15 penetrates through the sliding channel 91, the slider 10 and one end of the limiting block 6 far away from the sliding groove 31 are arranged as an inclined plane, and the width of; when the telescopic rod assembly 51 needs to be retracted into the groove 30, the telescopic net rack 5 is pushed upwards into the groove 30 by hands, the sliding block 10 and the oblique end face of the limiting block 6 are in oblique sliding fit, at the moment, the compression spring 13 is in a compression state, the sliding block 10 and the shifting ring 15 move towards the middle of the balancing weight 9 through the telescopic groove 90 until the bottom of the sliding block 10 is parallel to the top of the limiting block 6, the compression spring 13 recovers the extension amount due to the fact that the limiting block 6 is not located, the sliding block 10 is pushed to the inner side wall of the groove 30, and the telescopic rod assembly 51 is limited in; when the telescopic rod assembly 51 needs to be pulled out, the sliding block 10 slides towards the inner wall of the telescopic groove 90 through the shifting ring 15, the compression spring 13 is compressed until the sliding block 10 is separated from the limiting block 6, the limiting block 6 does not limit the sliding block 10 any more, the telescopic rod assembly 51 continues to be stretched until the telescopic rod assembly is completely unfolded, the telescopic rod assembly 51 can automatically slide out of the groove 30 for a short distance under the gravity of the balancing weight 9, and the free sliding process is stable; the weight block 9 increases the weight of the bottom rod 16, and enlarges the contact area between the telescopic rod assembly 51 and the telegraph pole, thereby increasing the friction between the U-shaped hoop and the telegraph pole; the wedge-shaped surface has a guiding function on the sliding block 10, so that the telescopic net rack 5 is prevented from being clamped when being retracted into the groove 30; the ring 15 provides convenience in operating the slider 10 without the need for fingers to enter the groove 30.

Referring to fig. 6, arc-shaped elastic pieces 11 are hinged to two ends of a ring block 3, the arc-shaped elastic pieces 11 are bent towards the sides far away from the ring block 3, one ends of the two arc-shaped elastic pieces 11 far away from the hinged position are detachably fixed, and rubber pads 12 are arranged on the inner walls of the arc-shaped elastic pieces 11 and a telescopic rod assembly 51 (see fig. 2); before installation, two sides of an opening of the hoop 1 are aligned with a telegraph pole, an opening of the arc-shaped elastic piece 11 is aligned with the telegraph pole, the arc-shaped elastic piece 11 is attached to two sides of the telegraph pole to wrap the telegraph pole, the rubber pad 12 is completely attached to the outer wall of the telegraph pole, and then the arc-shaped elastic piece 11 is fastened; the arc-shaped elastic sheets 11 increase the contact area and friction between the U-shaped hoop and the telegraph pole, and enhance the fixing effect of the U-shaped hoop and the telegraph pole; in addition, the rubber pad 12 has good elasticity, and prevents the arc-shaped elastic piece 11 and the telescopic rod assembly 51 (see fig. 2) from being deformed by too much force.

The implementation principle of the embodiment is as follows: before the cross arm is installed, the sliding block 10 is shifted through the shifting ring 15, the sliding block 10 slides close to the middle of the balancing weight 9, the compression spring 13 is in a pressing state, the contact limiting block 6 limits the sliding block 10, the telescopic net rack 5 is manually pulled down and unfolded through the balancing weight 9, when the telescopic net rack 5 is completely unfolded, the extension spring 82 is extended through the fixed hook 83, the extension spring 82 is extended to the rear of a telegraph pole along the side of the telegraph pole, and the fixed hooks 83 are hooked with each other, so that the telescopic rod assembly 51 is tightly attached to the side wall of; aligning the opening of the hoop 1 with a telegraph pole, opening the two arc-shaped elastic sheets 11 to the maximum, wrapping the telegraph pole from two sides by using the elasticity of the arc-shaped elastic sheets 11 until the inner wall of the arc-shaped elastic sheets 11 is attached to the outer wall of the telegraph pole, and fixing the ends, close to each other, of the arc-shaped elastic sheets 11 to enable the arc-shaped elastic sheets 11 to be tightly attached to the telegraph pole; when flexible rack 5 was packed up, handheld balancing weight 9 was with flexible rack 5 through sliding to take in toward recess 30 in, slider 10 slided along 6 lateral walls of stopper, slider 10 and dial ring 15 and be close to 9 middle parts of balancing weight, compression spring 13 compresses, slide to 6 tops of stopper when slider 10, compression spring 13 resumes original elongation, promote slider 10 and be close to the both sides wall of recess 30 and slide, slider 10 is spacing at 6 tops of stopper this moment, flexible rack 5 is accomodate into recess 30 completely.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cross arm U-shaped staple bolt, includes hoop (1) and locates connecting plate (2) of hoop (1) both sides, its characterized in that: hoop (1) bottom is equipped with ring piece (3) along its length, ring piece (3) bottom is equipped with recess (30) along its length, ring piece (3) are located recess (30) both sides are equipped with spout (31), ring piece (3) are located recess (30) internal slipping is equipped with and slides complex telescopic net rack (5) with spout (31), spout (31) bottom is equipped with stopper (6), telescopic net rack (5) bottom both ends are equipped with fixed column (7), two be equipped with elastic clamping spare (8) on fixed column (7).

2. The cross arm U-shaped hoop of claim 1, wherein: flexible rack (5) include with spout (31) slide complex slide bar (4), follow slide bar (4) length direction and articulate telescopic link assembly (51) in slide bar (4) bottom and with telescopic link assembly (51) bottom articulated sill bar (16), fixed column (7) with sill bar (16) are fixed.

3. The cross arm U-shaped hoop according to claim 2, wherein: the telescopic rod assembly (51) comprises a plurality of telescopic rods (511) which are hinged end to end, wherein the head end of the head end telescopic rod (511) is hinged to the sliding rod (4), and the tail end of the tail end telescopic rod (511) is hinged to the bottom rod (16).

4. The cross arm U-shaped hoop of claim 1, wherein: the elastic clamping piece (8) comprises a rubber rope (81) wound on the fixing column (7), an extension spring (82) arranged in the rubber rope (81) and protruding out of one end of the rubber rope (81), and a fixing hook (83) arranged at one end, protruding out of the rubber rope (81), of the extension spring (82).

5. The cross arm U-shaped hoop according to claim 2, wherein: the bottom of the bottom rod (16) is fixed with a balancing weight (9), and the balancing weight (9) is arranged along the length of the bottom rod (16).

6. A cross arm U-shaped staple bolt of claim 5, characterized in that: keep away from stopper (6) spout (31) one side is established to the wedge face, both ends slide along its length direction in balancing weight (9) and are equipped with flexible groove (90), slip is equipped with slider (10) in flexible groove (90), be fixed with compression spring (13) between slider (10) and flexible groove (90) diapire, balancing weight (9) bottom be equipped with slide passageway (91) that flexible groove (90) are linked together, slider (10) are located be equipped with of the bottom of balancing weight (9) dials ring (15), dial ring (15) and pass slide passageway (91).

7. The cross arm U-shaped hoop according to claim 2, wherein: the two end parts of the ring block (3) are hinged with arc-shaped elastic pieces (11), the arc-shaped elastic pieces (11) are away from one side of the ring block (3) and are close to one side of the ring block, the arc-shaped elastic pieces (11) are close to one end of the ring block, the two ends of the ring block are detachably connected, and the inner wall of each arc-shaped elastic piece (11) is tightly attached to a telegraph pole.

8. The cross arm U-shaped hoop according to claim 7, wherein: and a rubber pad (12) is arranged on one side wall of the telescopic rod assembly (51) and the arc-shaped elastic sheet (11) close to the telegraph pole.