CN214543550U

CN214543550U - Outdoor cable trench

Info

Publication number: CN214543550U
Application number: CN202120988965.1U
Authority: CN
Inventors: 张伟; 郭鹏; 高丽丽
Original assignee: Tangshan Changrui Power Engineering Co ltd
Current assignee: Tangshan Changrui Power Engineering Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-10-29
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to an outdoor cable ditch relates to electric power engineering's field, and it has placed the cable including laying the sand bed at the bottom of the cable ditch on the sand bed, is provided with the stop device who is used for keeping interval between the cable on the cable. The cable pulling device has the effect of reducing the possibility that the distance cannot meet the construction requirement due to position deviation of the cable in the pulling process.

Description

Outdoor cable trench

Technical Field

The application relates to the field of electric power engineering, in particular to an outdoor cable trench.

Background

Cable trenches are underground pipes used to place and protect cable installations, and are indispensable infrastructures in power plants, substations, municipal works and large factories and mines.

In the related art, referring to fig. 1, in the cable erection process, a sand layer 11 is laid at the bottom of an outdoor cable trench 1, then two cables 2 are placed on the sand layer 11, and then the cables 2 are pulled to move to a target area in the cable trench 1, so that the cables 2 are installed.

In view of the above-mentioned related art, the spacing between a plurality of cables in the cable trench needs to meet the construction requirement, and the inventor thinks that the cables are prone to position shift during the pulling process, so that the spacing does not meet the construction requirement.

SUMMERY OF THE UTILITY MODEL

In order to reduce the cable and take place offset in the pulling process and lead to the possibility that the interval does not satisfy the construction requirement, this application provides an outdoor cable ditch.

The application provides an outdoor cable pit adopts following technical scheme:

the utility model provides an outdoor cable ditch, is including laying the sand bed at the bottom of the cable ditch, has placed the cable on the sand bed, is provided with the stop device who is used for keeping interval between the cable on the cable.

Through adopting above-mentioned technical scheme, stop device carries on spacingly to the cable for interval between the cable can not take place to reduce along with the pulling of cable, has reduced the cable and has taken place offset in the pulling process and lead to the unsatisfied construction requirements's of interval possibility.

Optionally, the cables placed on the sand layer are two, the limiting device comprises a first clamping ring and a second clamping ring which are used for being abutted to the two cables, a connecting assembly for connecting the first clamping ring and the second clamping ring is arranged between the first clamping ring and the second clamping ring, the end, far away from each other, of the first clamping ring and the second clamping ring is fixedly connected with a tightly supporting plate used for supporting the cable trench side wall tightly, and the tightly supporting plate is connected with a first bolt used for supporting the cable trench side wall tightly through threads.

Through adopting above-mentioned technical scheme, when needs carry on spacingly to the cable, with first snap ring, second snap ring respectively with the cable butt to the first bolt of screwing makes stop device and cable pit firm in connection. When the cable is not required to be limited, the first bolt is unscrewed, so that the first clamping ring and the second clamping ring are separated from the cable, and the convenience of disassembly when the limiting device is not required to be used is improved.

Optionally, the connecting assembly comprises a first connecting plate connected with the first snap ring and a second connecting plate connected with the second snap ring, and a locking member for locking the first connecting plate and the second connecting plate is arranged between the first connecting plate and the second connecting plate.

Through adopting above-mentioned technical scheme, the retaining member locks first connecting plate, second connecting plate, has improved the fastness of connecting between first snap ring, the second snap ring.

Optionally, the first connecting plate is hinged to the second connecting plate, when the limiting device is not needed, the second connecting plate is rotated, and the side wall of the second connecting plate is abutted to the side wall of the first connecting plate and locked through the locking piece.

Through adopting above-mentioned technical scheme, when need not use stop device, open the retaining member, rotate the second connecting plate, drive the second snap ring through the second connecting plate and rotate to lateral wall and first snap ring lateral wall butt to continue to lock first connecting plate, second connecting plate through the retaining member, thereby reduced stop device's area, improved the convenience that stop device carried.

Optionally, the locking piece comprises a locking rod hinged to the first connecting plate, a second bolt is inserted into one end, far away from the joint of the locking rod and the first connecting plate, of the locking rod, and a first threaded hole is formed in the second connecting plate.

Through adopting above-mentioned technical scheme, when needs use stop device, the length direction of first connecting plate and the length direction of second connecting plate are located and are the same as the straight line, then the second bolt is through first screw hole and second connecting plate locking, when need not use stop device, the length direction of first connecting plate is parallel with the length direction of second connecting plate, then rotates the check lock lever for the second bolt is through first screw hole and second connecting plate locking.

Optionally, the first connecting plate includes a first plugboard and a first fixing plate, the first plugboard and the first snap ring are integrally formed, a first chute with a notch facing the first snap ring is formed in the first fixing plate, the first plugboard is slidably connected with the first chute, a plurality of second threaded holes distributed along the length direction of the first plugboard are formed in the first plugboard, a third bolt is inserted into the first fixing plate, and the third bolt is locked with the first plugboard through the second threaded holes after passing through the fixing plate.

Through adopting above-mentioned technical scheme, when needs adjusting cable interval, adjust the length of first connecting plate and make cable interval under first snap ring, the second snap ring can satisfy different construction requirements, improved stop device length adjustment's convenience.

Optionally, the inner walls of the first clamping ring and the second clamping ring, which are close to the cable, are provided with cushion pads.

Through adopting above-mentioned technical scheme, the buffer layer can reduce cable housing and first snap ring, the second snap ring bumps and leads to the damaged possibility of cable housing.

Optionally, a plurality of balls for reducing friction force during the cable pulling process are rotatably connected to the buffer pad.

Through adopting above-mentioned technical scheme, when the cable was pulled in the installation, the cable can slide along the ball to reduce the frictional force between cable and the buffer layer, reduced the cable jacket because the friction leads to the damaged possibility.

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

1. the possibility that the distance does not meet the construction requirement due to position deviation of the cable in the pulling process is reduced;

2. the convenience of disassembly when the limiting device is not required to be used is improved;

3. the occupied area of the limiting device is reduced, and the carrying convenience of the limiting device is improved.

Drawings

Fig. 1 is a schematic view of a related art outdoor cable trench structure.

Fig. 2 is a schematic diagram of an outdoor cable trench structure according to an embodiment of the present application.

Fig. 3 is a schematic view of a structure of a limiting device according to an embodiment of the present application.

Fig. 4 is a schematic view of a folding structure of a limiting device according to an embodiment of the present application.

Fig. 5 is a cross-sectional view of a buffer layer embodying embodiments of the present application.

Description of reference numerals: 1. a cable trench; 11. a sand layer; 2. a cable; 3. a first snap ring; 31. a first connecting plate; 311. a first patch panel; 312. a first fixing plate; 32. a third bolt; 4. a second snap ring; 41. a second connecting plate; 411. a second patch panel; 412. a second fixing plate; 42. a fourth bolt; 5. a propping plate; 51. a transverse plate; 52. a vertical plate; 521. a first bolt; 6. a locking lever; 61. a second bolt; 7. a buffer layer; 71. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses outdoor cable pit. Referring to fig. 2, outdoor cable trench cable stop device includes cable trench 1, and the husky layer 11 has been laid at the bottom of cable trench 1, has placed two cables 2 on husky layer 11, is provided with the stop device who is used for keeping interval between the cable 2 on the cable 2.

Referring to fig. 2 and 3, in this embodiment, the limiting device includes the first snap ring 3 and the second snap ring 4, the number of which is the same as that of the cable 2, the ring openings of the first snap ring 3 and the second snap ring 4 are both arranged toward the sand layer 11, and the first snap ring 3 and the second snap ring 4 are both abutted to the cable 2. Stop device still includes coupling assembling, and coupling assembling includes first connecting plate 31 of being connected with first snap ring 3, the second connecting plate 41 of being connected with second snap ring 4, and first connecting plate 31 is articulated with second connecting plate 41, is equipped with the retaining member with the two locking between first connecting plate 31, the second connecting plate 41.

Referring to fig. 2 and 3, the end of the first snap ring 3, the end of the second snap ring 4 away from each other are fixedly connected with the abutting plate 5, the abutting plate 5 includes the horizontal plate 51 and the vertical plate 52 which are integrally formed, the vertical plate 52 extends upwards along the vertical direction, the vertical plate 52 is connected with the first bolt 521 through the thread, and the first bolt 521 passes through the vertical plate 52 and then abuts against the side wall of the cable trench 1.

One end of the first connecting plate 31 far away from the first snap ring 3 is fixedly connected with the hinge shaft, and one end of the second connecting plate 41 far away from the second snap ring 4 is hinged with the hinge shaft. The retaining member includes the check lock lever 6 articulated with first connecting plate 31, and the one end that the check lock lever 6 kept away from and is connected with first connecting plate 31 is pegged graft and is had second bolt 61, has seted up first screw hole on the second connecting plate 41.

When the second connecting plate 41 rotates along the hinge shaft to enable the second connecting plate 41 to be in the same straight line with the first connecting plate 31, the second bolt 61 is locked with the second connecting plate 41 through the first threaded hole, so that the first clamping ring 3 and the second clamping ring 4 can limit two different cables 2 at the same time, and the possibility that the distance between the two cables 2 cannot meet the construction requirement due to the fact that the two cables 2 move due to pulling in the installation process of the cables 2 is reduced.

Referring to fig. 3 and 4, when the installation of the cable 2 is completed and the cable 2 does not need to be limited, the first bolt 521 is loosened, the second bolt 61 is loosened and the second snap ring 4 is rotated, so that the second connecting plate 41 is rotated to the position parallel to the length direction of the first connecting plate 31 along the hinge shaft, and the locking rod 6 is rotated to lock the first connecting plate 31 and the second connecting plate 41 through the second bolt 61 and the first threaded hole, thereby reducing the occupied area of the limiting device and improving the carrying convenience of the limiting device.

Referring to fig. 2 and 3, the first connection plate 31 includes a first insertion plate 311, a first fixing plate 312, the first insertion plate 311 and the first snap ring 3 are integrally formed, a first sliding groove with a notch facing the first snap ring 3 is formed in the first fixing plate 312, the first insertion plate 311 is slidably connected with the first sliding groove, a plurality of second threaded holes are formed in the first insertion plate 311, the plurality of second threaded holes are distributed along the length direction of the first insertion plate 311, a third bolt 32 is inserted into the first fixing plate 312, and the third bolt 32 passes through the fixing plate and then is locked with the first insertion plate 311 through the second threaded hole.

The second connecting plate 41 includes a second plug board 411, a second fixing plate 412, the second plug board 411 and a second snap ring 4 are integrally formed, a second sliding groove with a notch facing the second snap ring 4 is formed in the second fixing plate 412, the second plug board 411 is slidably connected with the second sliding groove, a plurality of third threaded holes are formed in the second plug board 411, the plurality of third threaded holes are distributed along the length direction of the second plug board 411, a fourth bolt 42 is inserted into the second fixing plate 412, and the fourth bolt 42 is locked with the second plug board 411 through the third threaded holes after passing through the fixing plate.

The lengths of the first connecting plate 31 and the second connecting plate 41 are adjusted, so that the distance between the cables 2 below the first clamping ring 3 and the second clamping ring 4 can meet different construction requirements, and the convenience of adjusting the length of the limiting device is improved.

Referring to fig. 4 and 5, the buffer layer 7 is provided on both inner walls of the first and second clamp rings 3 and 4 facing the cable 2, the buffer layer 7 is made of a soft material, a plurality of balls 71 are rotatably connected to the buffer layer 7, and the balls 71 are in contact with the housing of the cable 2. When the cable 2 is pulled during installation, the cable 2 can slide along the balls 71, so that the friction force between the cable 2 and the buffer layer 7 is reduced, and the possibility of the cable 2 shell being broken due to friction is reduced. The buffer layer 7 can reduce the possibility that the outer shell of the cable 2 is damaged due to collision between the outer shell of the cable 2 and the first snap ring 3 and the second snap ring 4.

The implementation principle of this application embodiment outdoor cable ditch does: when the cable 2 needs to be installed, a sand layer 11 is laid on the cable trench 1 structure. Two cables 2 are then placed on the sand 11.

Opening the limiting device, adjusting the lengths of the first connecting plate 31 and the second connecting plate 41 according to construction requirements, enabling the distance between the cables 2 under the first clamping ring 3 and the second clamping ring 4 to meet requirements, then screwing the third bolt 32 and the fourth bolt 42, and screwing the first bolt 521, so that the limiting device is firmly connected with the cable trench 1.

In the installation process of the cable 2, the cable 2 moves along the inner walls of the first clamping ring 3 and the second clamping ring 4 respectively.

After the cable 2 is installed, the first bolt 521 and the second bolt 61 are loosened, the second connecting plate 41 is rotated to make the side wall of the second connecting plate 41 abut against the side wall of the first connecting plate 31, and then the second bolt 61 is tightened.

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. An outdoor cable pit which characterized in that: the cable trench comprises a sand layer (11) laid at the trench bottom of a cable trench (1), wherein a cable (2) is placed on the sand layer (11), and a limiting device used for keeping the distance between the cables (2) is arranged on the cable (2).

2. The outdoor cable trough of claim 1, wherein: the cable (2) of placing on husky layer (11) are two, and stop device is including first snap ring (3), second snap ring (4) that are used for with two cable (2) butts, is provided with the coupling assembling of being connected the two between first snap ring (3), second snap ring (4), and the equal fixedly connected with of one end that first snap ring (3), second snap ring (4) kept away from each other is used for supporting tight board (5) with cable pit (1) lateral wall, supports tight board (5) and goes up threaded connection and is used for supporting tight first bolt (521) with cable pit (1) lateral wall.

3. An outdoor cable trough according to claim 2, wherein: the connecting assembly comprises a first connecting plate (31) connected with the first clamping ring (3) and a second connecting plate (41) connected with the second clamping ring (4), and a locking member for locking the first connecting plate (31) and the second connecting plate (41) is arranged between the first connecting plate and the second connecting plate.

4. An outdoor cable trough according to claim 3, wherein: the first connecting plate (31) is hinged to the second connecting plate (41), when the limiting device is not needed, the second connecting plate (41) is rotated, and the side wall of the second connecting plate (41) is abutted to the side wall of the first connecting plate (31) and locked through the locking piece.

5. An outdoor cable trough according to claim 4, wherein: the retaining member includes locking lever (6) articulated with first connecting plate (31), and the one end of keeping away from with first connecting plate (31) junction is pegged graft and is had second bolt (61) locking lever (6), has seted up first screw hole on second connecting plate (41).

6. An outdoor cable trough according to claim 3, wherein: first connecting plate (31) include first plugboard (311), first fixed plate (312), first plugboard (311) and first snap ring (3) integrated into one piece, the first spout of notch orientation first snap ring (3) has been seted up in first fixed plate (312), first plugboard (311) and first spout sliding connection, set up a plurality of length direction distribution second screw holes along first plugboard (311) on first plugboard (311), it has third bolt (32) to peg graft on first fixed plate (312), third bolt (32) pass behind the fixed plate through second screw hole and first plugboard (311) locking.

7. An outdoor cable trough according to claim 2, wherein: and cushion pads are arranged on the inner walls, close to the cable (2), of the first clamping ring (3) and the second clamping ring (4).

8. The outdoor cable trough of claim 7, wherein: the buffer pad is rotatably connected with a plurality of balls (71) used for reducing friction force in the pulling process of the cable (2).