CN218733128U

CN218733128U - Be used for transmission line cable laying device

Info

Publication number: CN218733128U
Application number: CN202222904110.3U
Authority: CN
Inventors: 杨斌; 袁有恩; 尚国燕; 候嘉庆; 都永忠; 孙玉兴; 刘志龙
Original assignee: Xining Ningguang Engineering Consultation Co ltd
Current assignee: Xining Ningguang Engineering Consultation Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-24
Anticipated expiration: 2032-11-02

Abstract

The utility model belongs to the technical field of the cable laying technique and specifically relates to a be used for transmission line cable laying device is related to, it includes cable pit and apron, the cable pit sets up in the underground, the apron sets up in earth's surface and lid and locates the cable pit top, lay the cable in the cable pit, cable pit width direction both sides all are provided with cable laying mechanism relatively, cable laying mechanism includes the fixed plate, the dead lever, roller bearing and stopper, the fixed plate is vertical to be set up in cable pit one side and with cable pit lateral wall fixed connection, the dead lever level sets up in the cable pit and perpendicular with the fixed plate, the dead lever can be dismantled with the fixed plate and be connected, the dead lever is cylindrical, the roller bearing cup joints on the dead lever, fixed plate one end fixed connection is kept away from with the dead lever to the stopper, the cable is placed on the roller bearing along cable pit length direction. This application has the burden that alleviates constructor, reduces the effect to the wearing and tearing that the cable caused.

Description

Be used for transmission line cable laying device

Technical Field

The application relates to the technical field of cable laying, in particular to a cable laying device for a power transmission line.

Background

The power cable is responsible for transmitting strong electric energy in power generation, distribution, transmission, transformation and power supply lines in a power system. The cable laying refers to a process of laying and installing cables along the checked route to form a cable line. The cable is laid according to the application, and the following methods are adopted: the method comprises the following steps of direct-buried laying, pipe penetrating laying, shallow groove laying, cable trench laying, cable tunnel laying and overhead laying, and the reasonable selection of the laying mode of the cable is very important for ensuring the transmission quality, reliability, construction maintenance and the like of the line.

The urban development planning, the number of the density cable lines of the existing building and the influence of the surrounding environment are generally considered in selecting the cable laying mode. In order to ensure the safety and reliability of the communication of the long-distance communication cable, a direct-buried laying mode is generally adopted; the main cable in the city generally adopts a pipeline laying mode to ensure safe and reliable communication, convenient installation and replacement and beautiful appearance of the city; the distribution cable in the city can adopt an overhead and wall laying mode. The cable trench laying mode is commonly used for municipal roads, tunnels and the like, cables and control cables can be generally laid in the same trench, all the cables are erected on an installation support in a centralized mode, the horizontal distance between power cable supports is 1m, and the horizontal distance between the control cables is 0.8m; strong and weak current, high and low voltage are arranged in layers, so that earlier stage excavation is reduced, and later maintenance is facilitated.

When power cable construction or maintenance, change, need to erect the cable of locating in the cable pit from one end pull usually, nevertheless because the length and the quantity of cable, have certain weight, it is very hard to pull, has not only increased constructor's burden to still can cause wearing and tearing to the cable during the pulling.

SUMMERY OF THE UTILITY MODEL

In order to alleviate constructor's burden, reduce the wearing and tearing that cause the cable, this application provides one kind and is used for transmission line cable laying device.

The application provides a be used for transmission line cable laying device adopts following technical scheme:

the utility model provides a be used for transmission line cable laying device, includes cable pit and apron, the cable pit sets up in the underground, the apron sets up in earth's surface and the lid locates the cable pit top, laid the cable in the cable pit, cable pit width direction both sides all are provided with cable laying mechanism relatively, cable laying mechanism includes fixed plate, dead lever, roller bearing and stopper, the fixed plate is vertical to be set up in cable pit one side and with cable pit lateral wall fixed connection, the dead lever level sets up in the cable pit and perpendicular with the fixed plate, the dead lever can be dismantled with the fixed plate and be connected, the dead lever is cylindrical, the roller bearing cup joints on the dead lever, fixed plate one end fixed connection is kept away from with the dead lever to the stopper, the cable is placed on the roller bearing along cable pit length direction.

Through adopting above-mentioned technical scheme, at the fixed laying mechanism of cable pit both sides, the cable can erect on the laying mechanism of both sides, sets up a set of cable laying mechanism at a distance of every section according to the extending direction of cable pit in the cable pit. The fixing plate is arranged on the side wall of the cable trench and is vertically connected with a fixing rod which is horizontally placed, a rolling shaft is sleeved on the fixing rod, and a cable is placed on the rolling shaft. When power cable construction or maintenance, change, through the one end of pull cable, because friction and traction between cable and the roller bearing, the roller bearing can rotate, continues pull cable one end, and the roller bearing in rear begins to rotate in proper order under the effect of traction to make the pump of cable send convenient and fast, reduced the construction degree of difficulty, alleviateed constructor's work burden, also improved work efficiency. In addition, the phenomena of cable abrasion generated during the drawing process are also reduced.

Optionally, the cable laying mechanism further comprises a fixing piece, the cross-sectional area of the fixing piece is larger than that of the fixing rod, the fixing rod is connected with the center of the fixing piece, a plurality of first fixing holes are formed in the edge of the fixing piece, screw holes are correspondingly formed in the fixing plate, screw rods penetrate through the first fixing holes, and the screw rods are in threaded connection with the screw holes.

Through adopting above-mentioned technical scheme, set up the stationary blade that the cross-sectional area is greater than the dead lever in the fixed plate towards the dead lever one side, the design of stationary blade has increased the area of connection of dead lever and fixed plate, the dead lever not with fixed plate lug connection, but have the level to be connected with the fixed plate, such connected mode for the setting of dead lever is more firm, and the dead lever is difficult for rocking.

Optionally, a clamping groove is formed in one surface, facing the fixing rod, of the fixing plate, a through hole is formed in the fixing plate, and the fixing rod penetrates through the through hole to be clamped with the clamping groove.

Through adopting above-mentioned technical scheme, the dead lever passes the perforation of seting up on the stationary blade and the draw-in groove joint of seting up on the fixed plate, has not only realized that dead lever and fixed plate can be dismantled, has increased the depth of connection of dead lever moreover, has alleviateed the power that the dead lever other end bore for the dead lever is difficult for the fracture.

Optionally, the fixed rod is provided with a plurality of reinforcing ribs near one end of the fixed plate, one end of each reinforcing rib is fixedly connected with one side of the fixed rod, and the other end of each reinforcing rib is fixedly connected with the edge of the fixed plate.

Through adopting above-mentioned technical scheme, evenly set up a plurality of strengthening ribs at the stationary blade edge, a plurality of strengthening ribs all with dead lever fixed connection, utilize triangular stability principle for the dead lever is more firm, stable with being connected of stationary blade, further makes setting up of dead lever more firm, thereby can bear the weight of laying a plurality of cables in the roller bearing top.

Optionally, a second fixing hole is formed in the fixing plate, an expansion bolt penetrates through the second fixing hole, and the fixing plate is fixed to the side wall of the cable trench plate through the expansion bolt.

Through adopting above-mentioned technical scheme, pass through expansion bolts with the fixed plate and be fixed in the cable pit lateral wall, such fixed mode can not only make the firm reliable of installation of fixed plate, convenient operation is swift moreover.

Optionally, the roller is a bearing, and the inner ring of the bearing is fixedly connected with the outer surface of the fixing rod.

Through adopting above-mentioned technical scheme, cup joint the bearing and be fixed in on the dead lever, the bearing inner race rotates for the dead lever, compares in the drum that the dead lever was established to direct cover, and the design of bearing is more stable, and it is more smooth to rotate, and is littleer to the degree of wear of dead lever.

Optionally, a plurality of limiting grooves are formed in the outer surface of the roller along the circumferential direction of the roller, and the cable is arranged in the limiting grooves.

Through adopting above-mentioned technical scheme, set up a plurality of spacing grooves along roller bearing circumference, the cable is placed in the spacing groove, realizes that a plurality of cables neatly arrange on the roller bearing, can not crowd each other, rub between the adjacent cable, and can not influence the rotation of roller bearing.

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

1. through setting up the fixed plate at the cable pit lateral wall, the dead lever that the level was placed is connected perpendicularly to the fixed plate, the roller bearing is established to the cover on the dead lever, place the cable on the roller bearing, realize at power cable construction or overhaul, when changing, the one end of pull cable, the roller bearing can rotate, continues pull cable one end, the roller bearing in rear begins to rotate in proper order under the effect of traction force to make the drawing of cable send convenient and fast, alleviateed constructor's work burden, also improved work efficiency. In addition, the phenomena of cable abrasion generated during the drawing process are also reduced.

2. Through the perforation of seting up on passing the dead lever on the fixed plate and the draw-in groove joint of seting up on the fixed plate, not only realized that the dead lever can be dismantled with the fixed plate, increased the depth of connection of fixed lever moreover, alleviateed the power that the dead lever other end bore for the dead lever is difficult for the fracture.

3. Through evenly setting up a plurality of strengthening ribs at the stationary blade edge, a plurality of strengthening ribs all with dead lever fixed connection, utilize triangle-shaped's stability principle for the dead lever is more firm, stable with being connected of stationary blade, further makes setting up of dead lever more firm, thereby can bear the weight of laying a plurality of cables in the roller bearing top.

Drawings

Fig. 1 is a schematic structural diagram of a cable laying device for a power transmission line.

Fig. 2 is a schematic structural diagram of a cable laying mechanism in the present application.

Fig. 3 is a partial cross-sectional view of the cable laying mechanism of the present application.

Description of reference numerals: 1. a cable trench; 2. a cover plate; 3. a cable; 4. a cable laying mechanism; 41. a fixing plate; 411. a screw hole; 412. a card slot; 413. a second fixing hole; 42. fixing the rod; 43. a roller; 431. a limiting groove; 44. a limiting block; 45. a fixing sheet; 451. a first fixing hole; 452. perforating; 46. reinforcing ribs; 47. a screw; 48. an expansion bolt.

Detailed Description

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

The embodiment of the application discloses a cable laying device for a power transmission line. Referring to fig. 1, a be used for transmission line cable laying device, including cable pit 1 and apron 2, cable pit 1 is buried underground, 1 length direction of cable pit is equipped with the entry every one end distance, apron 2 sets up in the earth's surface and the lid locates 1 entry top of cable pit, 1 interior 1 extending direction of cable pit has laid

various cables

3, 2 below at every apron, 1 width direction both sides of edge cable pit all are provided with cable laying mechanism 4 relatively, cable 3 lays on cable laying mechanism 4 along 1 length direction level of cable pit.

Referring to fig. 1 and 2, cable laying mechanism 4 includes fixed plate 41, dead lever 42, roller 43 and stopper 44, and fixed plate 41 vertically sets up in cable pit 1 one side and with the laminating of cable pit 1 lateral wall, and fixed plate 41 passes through subassembly fixed connection such as bolt with cable pit 1 lateral wall, and dead lever 42 transversely sets up in cable pit 1 and perpendicular with fixed plate 41, and dead lever 42 can dismantle with fixed plate 41 and be connected. In this application, dead lever 42 is cylindrical, and roller 43 cup joints on dead lever 42 and rotates for dead lever 42, and stopper 44 is kept away from fixed plate 41 one end welding or integrated into one piece with dead lever 42, and cable 3 lays on roller 43 along 1 length direction level of cable pit, and stopper 44 highly equals or is greater than the height that cable 3 laid on roller 43 horizontally to play spacing effect to cable 3, make cable 3 be difficult for dropping from roller 43 one side.

A plurality of second fixed orificess 413 have been seted up along fixed plate 41's direction on the fixed plate 41, all wear to be equipped with expansion bolts 48 in a plurality of second fixed orificess 413, during the construction, correspond at cable pit 1 lateral wall and punch, are fixed in fixed plate 41 lateral wall through expansion bolts 48 with fixed plate 41.

In this application, roller bearing 43 is the bearing, and bearing inner race and dead lever 42 surface weld, and like this, the bearing inner race rotates for the bearing inner race, has reduced the friction to dead lever 42 to it is more smooth to rotate, makes the pull of cable 3 lighter.

In order to reduce the mutual crowding and friction between the adjacent cables 3 on the roller 43, a plurality of limiting grooves 431 are formed in the outer surface of the roller 43 along the circumferential direction of the roller 43, the cables 3 are placed in the limiting grooves 431, and the depth and the width of the limiting grooves 431 can only accommodate 1/4 of the diameter of the cables 3. Thus, the cable 3 is not completely sunk into the limiting groove 431, so that the cable 3 is blocked in the limiting groove 431 to influence the drawing. In addition, the limiting groove 431 has a smooth streamline structure, so that abrasion to the side wall of the cable 3 when the cable 3 is drawn is reduced.

Referring to fig. 2 and 3, in order to enhance the stability of the fixing rod 42, the cable laying mechanism 4 further includes a fixing plate 45, the fixing plate 45 is located between the fixing plate 41 and the roller 43, the fixing plate 45 may be square or circular, the cross-sectional area of the fixing plate 45 is greater than that of the fixing rod 42, and the fixing rod 42 is connected to the central portion of the fixing plate 45. The edge of the fixing plate 45 is provided with a plurality of first fixing holes 451, the fixing plate 41 is correspondingly provided with a plurality of screw holes 411, a screw 47 penetrates through the first fixing holes 451, and the screw 47 sequentially penetrates through the first fixing holes 451 and the screw holes 411 and is in threaded connection with the screw holes 411.

The fixing plate 41 is provided with a clamping groove 412 on one surface facing the fixing rod 42, the fixing piece 45 is provided with a through hole 452, the shape and size of the through hole 452 correspond to those of the clamping groove 412, the fixing rod 42 penetrates through the through hole 452 to be clamped with the clamping groove 412, and the clamping degree of the clamping groove 412 is enough to prevent the fixing rod 42 from shaking.

The fixing rod 42 is further provided with a plurality of reinforcing ribs 46 at one end thereof close to the fixing plate 41, one end of each reinforcing rib 46 is welded or integrally formed with one side of the fixing rod 42, and the other end is welded or integrally formed with the edge of the fixing plate 45. In the present application, the number of the reinforcing ribs 46 is two or three or four, and the plurality of reinforcing ribs 46 are uniformly distributed on the circumferential side of the fixing rod 42.

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 be used for transmission line cable laying device, includes cable pit (1) and apron (2), cable pit (1) sets up in the underground, apron (2) set up in earth's surface and lid and locate cable pit (1) top, cable (3), its characterized in that have laid in cable pit (1): cable pit (1) width direction both sides all are provided with cable laying mechanism (4) relatively, cable laying mechanism (4) are including fixed plate (41), dead lever (42), roller bearing (43) and stopper (44), fixed plate (41) are vertical to be set up in cable pit (1) one side and with cable pit (1) lateral wall fixed connection, dead lever (42) level sets up in cable pit (1) and perpendicular with fixed plate (41), dead lever (42) can be dismantled with fixed plate (41) and be connected, dead lever (42) are cylindrical, roller bearing (43) cup joint on dead lever (42), fixed plate (41) one end fixed connection is kept away from with dead lever (42) in stopper (44), cable (3) are placed on roller bearing (43) along cable pit (1) length direction.

2. A cabling arrangement for a power transmission line according to claim 1, wherein: cable laying mechanism (4) still include stationary blade (45), the cross-sectional area of stationary blade (45) is greater than the cross-sectional area of dead lever (42), dead lever (42) are connected with stationary blade (45) central point, a plurality of first fixed orificess (451) are seted up at stationary blade (45) edge, screw (411) have been seted up in correspondence on fixed plate (41), wear to be equipped with screw rod (47) in first fixed orificess (451), screw rod (47) and screw (411) threaded connection.

3. A cabling arrangement for a power transmission line according to claim 2, wherein: draw-in groove (412) have been seted up towards dead lever (42) one side in fixed plate (41), perforation (452) have been seted up on stationary blade (45), dead lever (42) pass perforation (452) and draw-in groove (412) joint.

4. A cabling arrangement for a power transmission line according to claim 3, wherein: the fixing rod (42) is close to one end of the fixing plate (41) and is further provided with a plurality of reinforcing ribs (46), one end of each reinforcing rib (46) is fixedly connected with one side of the fixing rod (42), and the other end of each reinforcing rib is fixedly connected with the edge of the fixing piece (45).

5. A cabling arrangement for a power transmission line according to claim 1, wherein: the fixing plate (41) is provided with a second fixing hole (413), an expansion bolt (48) penetrates through the second fixing hole (413), and the fixing plate (41) is fixed on the side wall of the cable trench (1) through the expansion bolt (48).

6. A cabling arrangement for a power transmission line according to claim 1, wherein: the rolling shaft (43) is a bearing, and the inner ring of the bearing is fixedly connected with the outer surface of the fixing rod (42).

7. A cabling arrangement for a power transmission line according to claim 1, wherein: the outer surface of the rolling shaft (43) is provided with a plurality of limiting grooves (431) along the circumferential direction of the rolling shaft (43), and the cable (3) is arranged in the grooves of the limiting grooves (431).