CN213980605U

CN213980605U - Ladder for cable maintenance

Info

Publication number: CN213980605U
Application number: CN202022682915.9U
Authority: CN
Inventors: 魏忠华; 章兵; 丁虎涛
Original assignee: Nanjing Hengrui Communication Technology Co ltd
Current assignee: Nanjing Hengrui Communication Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-17
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a ladder for cable maintenance, it includes two montants, two be connected with a plurality of horizontal poles between the montant, two still be connected with the dead lever between the montant, be connected with the cable on the dead lever, the tip that the dead lever was kept away from to the cable is equipped with the couple, still be equipped with in the outer fringe of cable with couple assorted link, the cable is around establishing the electric wire pole and articulate on the link through the couple. The application has the technical effects that: the ladder is difficult for slipping to the direction of keeping away from the wire pole under the effect of external force to the staff can be stable utilize the ladder to overhaul or maintain the cable.

Description

Ladder for cable maintenance

Technical Field

The application relates to the technical field of ladders, in particular to a ladder for cable maintenance.

Background

In the process of electric power maintenance, cables at higher positions are required to be maintained frequently; especially when the outdoor overhead cable is overhauled and laid, staff usually lean on the ladder on the wire pole, then step on the ladder and overhaul or maintain the circuit on the wire pole.

But current ladder stability is relatively poor, and the staff overhauls the in-process, has the ladder to the direction of keeping away from the wire pole and slide and lead to the potential safety hazard that the staff fell to hinder.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of ladder stability, the application provides a ladder for cable maintenance adopts following technical scheme: the utility model provides a ladder for cable maintenance, includes two montants, two be connected with a plurality of horizontal poles between the montant, two still be connected with the dead lever between the montant, be connected with the cable on the dead lever, the tip that the dead lever was kept away from to the cable is equipped with the couple, still be equipped with in the outer fringe of cable with couple assorted link, the cable is around establishing the electric wire pole and articulate on the link through the couple.

Through the technical scheme, when the ladder is required to be used for maintenance, a worker can firstly lean the cross bar of the ladder on the telegraph pole, then wind the cable on the fixed rod around the telegraph pole, and hang the hook on the cable on the hanging ring at the outer edge of the cable; under the pulling force effect of cable, the ladder is difficult for slipping down to the direction of keeping away from the wire pole under the effect of external force to the stability of ladder has been promoted, so that the utilization ladder that the staff can be stable overhauls or maintains the cable.

Optionally, two one end of the vertical rod far away from the fixing rod is further provided with a tightening plate, the end face of the tightening plate far away from the fixing rod is provided with a rubber block, and the rubber block is tightened on the outer edge of the telegraph pole.

Through above-mentioned technical scheme, the staff can support the block rubber tightly on the wire pole when erectting the ladder, and the setting up of block rubber has increased the frictional force between ladder and the wire pole, has reduced the ladder and has transversely slided the possibility for the wire pole under the effect of external force to the stability of ladder has further been promoted.

Optionally, two insertion rods are respectively arranged on the end face, facing the vertical rod, of the abutting plate, insertion grooves matched with the insertion rods are formed in the end face, facing the abutting plate, of the vertical rod, and the two insertion rods are correspondingly inserted into the two insertion grooves respectively.

Through above-mentioned technical scheme, after the maintenance, the staff accessible will support tight board and lift off from two montants of ladder with the mode that the inserted bar was extracted from the inserting groove to the staff can be through carrying out the mode of changing to tight board and rubber pad simultaneously and change ageing rubber pad.

Optionally, the end portion, close to the fixed rod, of the vertical rod is hinged to a non-slip plate, and a non-slip pad is arranged on the end face, deviating from the vertical rod, of the non-slip plate.

Through above-mentioned technical scheme, the setting up of antiskid ribbed tile and slipmat has increased the frictional force between ladder and the ground, has reduced the ladder and has slided the possibility that leads to the ladder to fall for ground slip under the effect of external force to the stability of ladder has further been strengthened.

Optionally, a positioning hole penetrating through the non-slip mat is formed in the non-slip plate, a support is further arranged on the non-slip plate, an adjusting bolt penetrates through the support and is in threaded connection with the support, a positioning plate is rotatably connected to the end portion of the adjusting bolt, a positioning rod is arranged on the end face, deviating from the positioning hole, of the positioning plate, the end portion, far away from the positioning plate, of the positioning rod is arranged in a pointed cone shape, and the portion of the positioning rod is inserted into the positioning hole.

Through above-mentioned technical scheme, the ladder is erect when comparatively soft subaerial, and the rotatable adjusting bolt drive locating plate of staff drives the locating lever and moves down, and in the pole portion inserts ground until the locating lever, under the restriction of locating lever, the ladder is difficult to remove for ground under the effect of external force to the stability of ladder has further been strengthened.

Optionally, the montant includes first concatenation pole and second concatenation pole, be equipped with the connecting rod on the terminal surface of first concatenation pole orientation second concatenation pole, be equipped with on the terminal surface of second concatenation pole orientation first concatenation pole with connecting rod assorted spread groove, the connecting rod corresponds to peg graft in the spread groove, still be equipped with on the second concatenation pole and wear to establish second concatenation pole and connecting rod's connecting bolt in proper order, connecting bolt's tip threaded connection has the nut, the nut supports tightly on the outer fringe of second concatenation pole, the dead lever sets up on first concatenation pole.

Through the technical scheme, after the overhaul is finished, the worker can firstly lift the connecting bolt off through the mode of bolt disassembly, then the first splicing rod and the second splicing rod are disassembled through the mode of extracting the connecting rod from the connecting groove, so that the worker can respectively store the first splicing rod and the second splicing rod, and the storage space is saved so as to facilitate transportation.

Optionally, an annular reinforcing plate is further disposed on the outer edge of the second splicing rod, the reinforcing plate extends out of the second splicing rod, and the inner edge of the reinforcing plate is in contact with the outer edge of the first splicing rod.

Through above-mentioned technical scheme, the setting up of gusset plate has the effect of restriction first concatenation pole position, has reduced first concatenation pole and has buckled for the second concatenation pole under the effect of external force, leads to the cracked possibility of connecting rod atress to the joint strength between head rod and the second connecting rod has been strengthened.

Optionally, the cross rod is wrapped with a rubber pad, and a plurality of anti-slip ribs are arranged on the outer edge of the rubber pad.

Through above-mentioned technical scheme, the setting up of rubber pad and anti-skidding bead has increased the frictional force between the horizontal pole of staff and ladder, has reduced the possibility that the staff skidded on the ladder to the security of ladder has been promoted.

In summary, the present application includes at least one of the following beneficial technical effects:

1. under the action of the tensile force of the cable, the ladder is not easy to slip down in the direction far away from the telegraph pole under the action of the external force, so that the stability of the ladder is improved, and workers can stably overhaul or maintain the cable by using the ladder;

2. after the overhaul is finished, the worker can dismantle the first splicing rod and the second splicing rod, so that the worker can respectively store the first splicing rod and the second splicing rod, the storage space is saved, and the transportation is convenient.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application for embodying a bayonet rod.

Fig. 3 is a schematic diagram of an explosive structure for embodying a connecting slot according to an embodiment of the present application.

Reference numerals: 1. a vertical rod; 2. a cross bar; 3. fixing the rod; 4. a cable; 5. hooking; 6. hanging a ring; 7. a propping plate; 8. a rubber block; 9. a plug rod; 10. inserting grooves; 11. an anti-skid plate; 12. a non-slip mat; 13. positioning holes; 14. a support; 15. adjusting the bolt; 16. positioning a plate; 17. positioning a rod; 18. a first splice bar; 19. a second splice bar; 20. a connecting rod; 21. connecting grooves; 22. a connecting bolt; 23. a nut; 24. a reinforcing plate; 25. a rubber pad; 26. anti-slip ribs; 27. a utility pole; 28. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses ladder for cable maintenance.

As shown in fig. 1, including two isometric montants 1, a plurality of horizontal poles 2 that evenly set up of fixedly connected with between two montants 1, still fixedly connected with dead lever 3 between two montants 1, dead lever 3 is located two montants 1 along self length direction's one end and is parallel to each other with horizontal pole 2, the middle part fixedly connected with cable 4 of dead lever 3, the tip fixedly connected with couple 5 of dead lever 3 is kept away from to cable 4, still respectively fixedly connected with a plurality of and couple 5 assorted links 6 in the outer fringe of cable 4, cable 4 is around establishing electric wire pole 27 and couple 5 articulate on one of them link 6. Therefore, under the action of the tensile force of the cable 4, the ladder is not easy to slip and topple in the direction away from the telegraph pole 27 under the action of the pressure of the worker, so that the worker can stably stand on the ladder to overhaul or maintain the cable on the telegraph pole 27, and the stability of the ladder is improved; meanwhile, due to the arrangement of the hanging rings 6, the ladder can be sleeved on telegraph poles 27 with different diameters through cables 4, so that the application range of the ladder is widened.

As shown in fig. 1, the end parts of the two vertical rods 1 close to the fixed rod 3 are hinged with anti-skid plates 11, and the end surfaces of the anti-skid plates 11 departing from the vertical rods 1 are bonded with anti-skid pads 12 made of rubber; still set up the locating hole 13 that runs through antiskid ribbed tile 11 and rubber pad 25 simultaneously along vertical direction on the antiskid ribbed tile 11, it has the support 14 of L type to go back bolted connection on the terminal surface that antiskid ribbed tile 11 deviates from the rubber pad 25, support 14 is kept away from 11 one end of antiskid ribbed tile and is worn to establish and threaded connection has adjusting bolt 15, adjusting bolt 15 keeps away from the tip of locating hole 13 and has set firmly hand wheel 28, setting up of hand wheel 28 has increased the turning moment when staff rotates adjusting bolt 15, so that the staff can be comparatively laborsaving rotate adjusting bolt 15 and adjust.

As shown in fig. 1, a positioning plate 16 is rotatably connected to an end portion of the adjusting bolt 15 close to the positioning hole 13, a positioning rod 17 is fixedly connected to an end surface of the positioning plate 16 away from the positioning hole 13, an end portion of the positioning rod 17 far from the positioning plate 16 is set to be in a taper shape, the positioning rod 17 is matched with the positioning hole 13, and a part of the positioning rod 17 is inserted into the positioning hole 13 in an initial state. Therefore, when a worker erects the ladder, the antiskid plates 11 can be erected on the ground firstly, and the antiskid pads 12 on the antiskid plates 11 increase the friction force between the ladder and the ground, so that one end of the ladder on the ground is not easy to deviate in the direction away from the telegraph pole 27 under the action of external force, and the stability of the ladder is enhanced; meanwhile, when the ground for erecting the ladder is soft ground, such as field soil ground; the worker can drive the adjusting bolt 15 to rotate downwards in a labor-saving manner by rotating the hand wheel 28 until the positioning rod 17 on the positioning plate 16 penetrates through the positioning hole 13 and is inserted into the ground under the driving of the adjusting bolt 15, so that the bottom of the ladder is fixed, and the stability of the ladder is further enhanced; the end of the positioning rod 17 is tapered, so that the resistance of the positioning rod 17 when inserted into the ground is reduced, and a worker can insert the positioning rod 17 into the ground of the slot 10 in a labor-saving manner.

As shown in fig. 1 and 2, one end of each of the two vertical rods 1, which is far away from the fixed rod 3, is further connected with a tightening plate 7, two insertion rods 9 are fixedly arranged on the end surfaces, which face the two vertical rods 1, of the tightening plate 7, insertion grooves 10 matched with the insertion rods 9 are respectively formed in the two vertical rods 1, annular guide grooves are obliquely formed in the notches of the insertion grooves 10, and the tightening plate 7 is connected to the vertical rods 1 in a manner that the two insertion rods 9 are respectively correspondingly inserted into the two insertion grooves 10; the end face of the abutting plate 7 departing from the vertical rod 1 is also bonded with a rubber block 8. Therefore, when the ladder needs to be erected on the telegraph pole 27, a worker can tightly support the rubber block 8 on the supporting plate 7 on the outer edge of the telegraph pole 27, the arrangement of the rubber block 8 reduces the possibility that the ladder slides and shakes relative to the telegraph pole 27 under the action of external force during maintenance of the worker, so that the worker can stably stand on the ladder, and the stability of the ladder is enhanced.

As shown in fig. 3, rubber pads 25 are adhered and coated on the outer edges of the plurality of cross bars 2, and a plurality of anti-slip ribs 26 are uniformly arranged on the outer edges of the rubber pads 25; the arrangement of the rubber pads 25 and the anti-slip ribs 26 increases the roughness of the outer edge of the cross rod 2, reduces the possibility of slipping between workers and the ladder, and accordingly improves the safety of the ladder.

As shown in fig. 3, the vertical rod 1 includes a first splicing rod 18 and a second splicing rod 19, a connecting rod 20 is fixedly arranged on the end surface of the first splicing rod 18 facing the second splicing rod 19, a connecting groove 21 matched with the connecting rod 20 is arranged on the end surface of the second splicing rod 19 facing the first splicing rod 18, and a guide groove for guiding is arranged at the notch of the connecting groove 21; the first splicing rod 18 and the second splicing rod 19 are correspondingly spliced in the connecting groove 21 through the connecting rods 20, the fixing rod 3 is positioned on the two first connecting rods 20, and the abutting plate 7 is positioned on the two second connecting rods 20.

As shown in fig. 3, the outer edge of the second splicing rod 19 is further provided with a connecting bolt 22 sequentially penetrating through the second splicing rod 19 and the connecting rod 20, the end of the connecting bolt 22 is connected with a nut 23 in a threaded manner, and the nut 23 abuts against the outer edge of the second splicing rod 19; the outer edge of the second splicing rod 19 is further fixedly provided with an annular reinforcing plate 24, the reinforcing plate 24 partially extends out of the second splicing rod 19, when the first splicing rod 18 and the second splicing rod 19 are spliced with each other, the end part of the first splicing rod 18 is spliced into the reinforcing plate 24, and the outer edge of the first splicing rod 18 is in contact with the inner edge of the reinforcing plate 24. Therefore, the first splicing rod 18 and the second splicing rod 19 are not easy to bend and dislocate under the action of external force under the limitation of the reinforcing plate 24, so that the connection strength between the first splicing rod 18 and the second splicing rod 19 is further enhanced; simultaneously, the setting up of first concatenation pole 18 and second concatenation pole 19 makes after the maintenance, and the staff can at first lift connecting bolt 22 off through the bolt dismantlement mode, then dismantles two montants 1 respectively through the mode of extracting first concatenation pole 18 from second concatenation pole 19 to reached and carried out the effect of dismantling to the ladder, the staff of being convenient for accomodates and transports the ladder.

The implementation principle of the embodiment of the application is as follows: when the cable on the telegraph pole 27 needs to be overhauled by using a ladder, the ladder can be erected on the ground firstly in work, the hand wheel 28 is rotated to drive the adjusting bolt 15 to rotate, the positioning rod 17 inserting groove 10 is fixed on the ground to the bottom of the ladder, then the abutting plate 7 on the vertical rod 1 abuts against and is erected on the outer edge of the telegraph pole 27, and the cable 4 on the fixing rod 3 is wound around the telegraph pole 27 and is hung on one of the hanging rings 6; under the limit of the cable 4 and the positioning rod 17, the ladder can be stably erected on the telegraph pole 27, the possibility that the ladder slips down under the action of external force is reduced, and the stability of the ladder is improved; after the overhaul is completed, the worker can firstly split the ladder into two sections by disassembling the first splicing rod 18 and the second splicing rod 19, then disassemble the support 14 by disassembling the bolts, and disassemble the abutting plate 7 by plugging so that the worker can respectively store the ladder, thereby saving the storage space and the transportation cost.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ladder for cable maintenance which characterized in that: including two montants (1), two be connected with a plurality of horizontal poles (2) between montant (1), two still be connected with dead lever (3) between montant (1), be connected with cable (4) on dead lever (3), the tip that dead lever (3) were kept away from in cable (4) is equipped with couple (5), still be equipped with in the outer fringe of cable (4) with couple (5) assorted link (6), cable (4) are around establishing wire pole (27) and articulate on link (6) through couple (5).

2. A ladder for cable maintenance according to claim 1, wherein: two the one end that dead lever (3) were kept away from in montant (1) still is equipped with and supports tight board (7), support tight board (7) and be equipped with rubber block (8) on deviating from the terminal surface of dead lever (3), rubber block (8) support tightly on the outer fringe of wire pole (27).

3. A ladder for cable maintenance according to claim 2, wherein: the end face, facing the vertical rod (1), of the abutting plate (7) is provided with two insertion rods (9) respectively, the end face, facing the abutting plate (7), of the vertical rod (1) is provided with insertion grooves (10) matched with the insertion rods (9), and the two insertion rods (9) are correspondingly inserted into the two insertion grooves (10) respectively.

4. A ladder for cable maintenance according to claim 1, wherein: the end part of the vertical rod (1) close to the fixed rod (3) is hinged with an anti-skid plate (11), and an anti-skid pad (12) is arranged on the end face of the anti-skid plate (11) departing from the vertical rod (1).

5. A ladder for cable maintenance according to claim 4, wherein: the anti-skid device is characterized in that a positioning hole (13) which penetrates through the anti-skid pad (12) simultaneously is formed in the anti-skid plate (11), a support (14) is further arranged on the anti-skid plate (11), an adjusting bolt (15) penetrates through the support (14) and is connected with the support in a threaded mode, the end portion of the adjusting bolt (15) is rotatably connected with a positioning plate (16), a positioning rod (17) is arranged on the end face, deviating from the positioning hole (13), of the positioning plate (16), the end portion, far away from the positioning plate (16), of the positioning rod (17) is arranged in a pointed cone shape, and the positioning rod (17) is partially inserted into the positioning hole (13).

6. A ladder for cable maintenance according to claim 1, wherein: the vertical rod (1) comprises a first splicing rod (18) and a second splicing rod (19), a connecting rod (20) is arranged on the end face of the first splicing rod (18) facing the second splicing rod (19), a connecting groove (21) matched with the connecting rod (20) is formed in the end face of the second splicing rod (19) facing the first splicing rod (18), the connecting rod (20) is correspondingly inserted into the connecting groove (21), a connecting bolt (22) sequentially penetrating through the second splicing rod (19) and the connecting rod (20) is further arranged on the second splicing rod (19), a nut (23) is connected to the end portion of the connecting bolt (22) in a threaded mode, the nut (23) is tightly abutted to the outer edge of the second splicing rod (19), and the fixing rod (3) is arranged on the first splicing rod (18).

7. A ladder for cable maintenance according to claim 6, wherein: the outer edge of the second splicing rod (19) is also provided with an annular reinforcing plate (24), part of the reinforcing plate (24) extends out of the second splicing rod (19), and the inner edge of the reinforcing plate is contacted with the outer edge of the first splicing rod (18).

8. A ladder for cable maintenance according to claim 1, wherein: the cross rod (2) is coated with a rubber pad (25), and the outer edge of the rubber pad (25) is provided with a plurality of anti-slip ribs (26).