CN212784703U

CN212784703U - Modular self-drainage cable trench

Info

Publication number: CN212784703U
Application number: CN202022030739.0U
Authority: CN
Inventors: 许昌; 萧燕子; 侯欣欣; 赵新磊; 梁春光; 王宇琦; 陈阳阳; 董晨燕
Original assignee: Yellow River Engineering Consulting Co Ltd
Current assignee: Yellow River Engineering Consulting Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-03-23
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a. The modularized self-drainage cable trench comprises a cable trench body formed by sequentially splicing a plurality of splicing units with the same structure, wherein each splicing unit is of a rectangular groove structure and is formed by encircling a water-permeable bottom plate and a pair of side walls vertically and fixedly connected to the left and right side edges of the water-permeable bottom plate, and a groove for penetrating a cable is formed in the middle of the water-permeable bottom plate; the front end face of each splicing unit is provided with a clamping groove, the rear end face of each splicing unit is provided with a clamping protrusion matched with the clamping groove, and each splicing unit is provided with an upper cover in a matched and buckled mode. The utility model has the advantages of simple structure and convenient installation and laying; the cable trench body is formed by splicing a plurality of splicing units in sequence, the splicing units are simple in structure and are connected with one another and convenient to lay, factory prefabrication processing can be easily achieved, operations such as on-site reinforcement and concrete pouring do not exist, on-site wet operation is not needed, the on-site construction difficulty is greatly reduced, the cable trench body can meet the high environmental protection requirement in a city, and the engineering investment is effectively reduced.

Description

Modular self-drainage cable trench

Technical Field

The utility model belongs to the technical field of the cable pit technique and specifically relates to a modularization is from drainage cable pit suitable for among engineering construction such as new forms of energy power station, defeated transformer substation.

Background

In recent years, with the rapid development and construction of national energy infrastructure, the number of new energy power stations and power grid transmission and transformation stations is rapidly increased, a cable trench which is one of the most main hidden projects of the power stations has an influence on the construction progress and the environment in the engineering construction period, and has an influence on the convenience of maintenance and the safety of the power stations in the operation period, particularly in rainy seasons, the reliability and the uneven settlement resistance of a cable trench drainage facility also have an influence on the operation of the whole power station project.

The existing traditional cable trench is generally processed by materials such as bricks, concrete or reinforced concrete, but has certain defects in the construction period and the operation period, and according to the past engineering experience, the defects are as follows in the construction period: because most of the power transmission and transformation stations are in cities, wet operation exists in the traditional cable trench construction, and the increasingly-improved environmental protection requirements of the cities cannot be met; the foundation excavation section is large, the moving soil is more, and the water and soil loss is not favorably prevented; the size is large, the material consumption is large, the field labor input is more, and the construction cost is high; each procedure needs field operation, and the construction quality is difficult to control; the construction process is complicated, and if a cast-in-place concrete cable trench is used, the process is more complicated and the construction period is long. During the operation: the traditional cable trench has poor uneven settlement resistance; the reliability of the drainage facility is poor.

Disclosure of Invention

An object of the utility model is to provide a modularization is from drainage cable pit convenient to prefabrication and scene are assembled.

In order to achieve the above purpose, the utility model can adopt the following technical proposal:

the utility model discloses a modularization self-draining cable trench, include the cable trench body that is formed by splicing in proper order a plurality of splicing units with the same structure, the splicing unit is the rectangular channel structure, and it is surrounded by a bottom plate that permeates water and a pair of side wall that links firmly in the left and right side border department of the bottom plate that permeates water perpendicularly and forms, and the middle part forms the slot that wears to establish the cable; the joint groove has been seted up on the preceding terminal surface of concatenation unit, be provided with on its rear end with the joint of joint groove looks adaptation is protruding, each equal adaptation lock has an upper cover on the concatenation unit.

Specifically, the water-permeable bottom plate is a water-permeable concrete plate, and the side wall is a concrete plate or a reinforced concrete plate.

Specifically, the clamping groove is formed by communicating a transverse clamping groove arranged at the front end of the upper surface of the water-permeable bottom plate with a longitudinal clamping groove arranged at the front end of the inner side surface of the two side walls; the clamping bulge is formed by connecting a transverse clamping strip arranged at the rear end of the upper surface of the water permeable bottom plate and a longitudinal clamping strip arranged at the rear end of the inner side surfaces of the two side walls; in addition, the inner wall of the clamping groove is adhered with a water expansion type rubber water stop strip.

Specifically, the front end surfaces of the water permeable bottom plate and the side walls extend forwards horizontally to form connecting anchor rods, and connecting insertion holes corresponding to the connecting anchor rods in a matched mode are formed in the rear end surfaces of the water permeable bottom plate and the side walls.

Specifically, a water drainage groove is formed in the middle of the upper surface of the water permeable bottom plate along the length direction of the cable trench body, and the section of the water drainage groove is of a semicircular structure.

Specifically, two follow on the top surface of side wall the length direction of the cable ditch body is provided with waterproof fluted wall set up on the bottom surface of upper cover with the waterproof draw-in groove of waterproof fluted wall adaptation joint.

Specifically, the upper edges of the outer side surfaces of the two side walls are protruded outwards to form clamping bosses, and the bottom surfaces of the two clamping bosses are of inclined surface structures inclining downwards towards the direction of the side walls.

Specifically, a permeable cushion layer is attached to the bottom surface of the water permeable bottom plate.

Specifically, the outer side surfaces of the two side walls are symmetrically provided with hanging rings.

The utility model has the advantages of simple structure, the installation is laid portably. The cable trench body is formed by sequentially splicing a plurality of splicing units, the splicing units are simple in structure, are connected with one another and are convenient to lay, factory prefabrication and processing can be easily realized, operations such as on-site reinforcement and concrete pouring do not exist, on-site wet operation is not needed, the on-site construction difficulty is greatly reduced, and the cable trench body is favorable for meeting higher environmental protection requirements in cities; meanwhile, the splicing units only need to be spliced when spliced and laid on site, so that the construction period is greatly shortened, the required construction operation space is reduced, the foundation excavation section is reduced, the soil moving area is reduced, the soil or rock disturbance is reduced, at least one half of the peripheral operation range is reduced compared with the traditional cable trench, the environment can be effectively protected, and the water and soil loss is reduced; in addition, the splicing unit bottom is the concrete slab that permeates water, and the water drainage tank of seting up on the concrete slab upper surface that permeates water is cooperated, makes two kinds of drainage modes mutually support, promotes the reliability of drainage greatly, and whole splicing unit has realized the prefabricated processing of batch production, can effectively guarantee the quality of each splicing unit that processes out, and outward appearance, durability, corrosion resistance all have great improvement than traditional cable pit, compare with traditional cable pit, its material quantity and on-the-spot labour's input homoenergetic reduce by a wide margin, effectively reduce the engineering investment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the upper cover in fig. 1.

Fig. 3 is a top view of fig. 1 (with the upper cover hidden).

Fig. 4 is a view from direction a of fig. 3.

Fig. 5 is a view from direction B of fig. 3.

Fig. 6 is a sectional view taken along line C-C of fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1-3, the modular self-draining cable trench of the present invention comprises a cable trench body formed by sequentially splicing a plurality of splicing units 1 having the same structure, wherein the splicing units 1 have a rectangular groove structure and are formed by enclosing a water permeable bottom plate 1.1 and a pair of side walls 1.2 vertically fixed at the left and right edges of the water permeable bottom plate 1.1, a groove for cable penetration is formed in the middle, and the top is open, so that the cable can be placed in the groove; in addition, equal adaptation lock has an upper cover 2 on each splice unit 1, seals the opening at slot top through upper cover 2, has all seted up joint groove 3 simultaneously on the preceding terminal surface of each splice unit 1, is provided with the joint arch 4 with 3 looks adaptations of joint groove on its rear end face to can make two adjacent splice units easily dock together through the joint groove 3 and the joint arch 4 of mutual adaptation.

Specifically, as shown in fig. 6, the water-permeable bottom plate 1.1 may be a water-permeable concrete slab prefabricated from water-permeable concrete, and the side wall 1.2 may be a concrete slab or a reinforced concrete slab prefabricated from concrete or reinforced concrete, so as to automatically drain the accumulated water in the trench by means of infiltration. Certainly, still can laminate on the bottom surface of the bottom plate 1.1 that permeates water of concatenation unit 1 and set up a infiltration bed course 5, can adopt grit or rubble directly to lay in the cable pit basis bottom of excavation as infiltration bed course 5 according to actual geology condition during actual construction to laminate mutually with the concatenation unit 1 bottom surface of placing on infiltration bed course 5, cooperate to permeate water bottom plate 1.1 can be quick, effectual to discharge ponding in the ditch.

Further, as shown in fig. 4, the clamping groove 3 is formed by communicating a transverse clamping groove 3.1 arranged at the front end of the upper surface of the water-permeable bottom plate 1.1 with a longitudinal clamping groove 3.2 arranged at the front end of the inner side surface of the side walls 1.2 at two sides to form a groove cavity with an approximate U-shaped integrated structure; similarly, as shown in fig. 5, the clamping protrusion 4 is formed by connecting a transverse clamping strip 4.1 arranged at the rear end of the upper surface of the water permeable bottom plate 1.1 and a longitudinal clamping strip 4.2 arranged at the rear end of the inner side surface of the side walls 1.2 at two sides to form an approximately U-shaped integral clamping strip which can be inserted into the clamping groove 3; the joint groove 3 and the joint bulge 4 of mutual adaptation not only are convenient for splice, but also can play the effect of supplementary anti differential settlement simultaneously. In addition, an inherent water expansion type rubber water stop strip can be attached to the inner wall of each clamping groove 3, and water leakage at the butt joint of the clamping groove 3 and the clamping protrusion 4 of two adjacent splicing units 1 is effectively prevented.

Furthermore, a plurality of connecting anchor rods 6 can be horizontally and forwardly extended and arranged on the front end surfaces of the water permeable bottom plate 1.1 and the side wall 1.2, and connecting insertion holes 7 which are matched and correspond to the connecting anchor rods are formed in the rear end surfaces of the water permeable bottom plate 1.1 and the side wall 1.2; therefore, when two adjacent splicing units 1 are mutually butted, the two adjacent splicing units 1 can be positioned through the connecting anchor rods 6 and the connecting jacks 7 which are mutually matched and correspond, the adjacent splicing units 1 can be more conveniently butted, meanwhile, the connecting anchor rods 6 and the connecting jacks 7 which are mutually matched and spliced can be further connected and fixed with the two adjacent splicing units 1, and the effective effect of uneven settlement resistance is achieved; during actual construction, a rod piece extending out forwards horizontally can be directly embedded in the front end faces of the water-permeable bottom plate 1.1 and the side wall 1.2, a PVC pipe with a pipe diameter matched with the rod piece is embedded in the rear end face of the water-permeable bottom plate, and the rear end of the PVC pipe is flush with the rear end faces of the water-permeable bottom plate 1.1 and the side wall 1.2.

Further, still can set up water drainage tank 8 along the length direction of the cable ditch body in the middle part of the upper surface of bottom plate 1.1 that permeates water, water drainage tank 8's section semicircular structure, water drainage tank 8 cooperation is formed the bottom plate 1.1 that permeates water by the precast concrete that permeates water and more is favorable to the drainage, makes two kinds of drainage modes mutually support, promotes the reliability of drainage greatly. In addition, waterproof tooth walls 9 are arranged on the top surfaces of the side walls 1.2 at the two sides along the length direction of the cable trench body, waterproof clamping grooves 10 matched and clamped with the waterproof tooth walls 9 are formed in the bottom surface of the upper cover 2, and the waterproof tooth walls 9 and the waterproof clamping grooves 10 can be further waterproof and can be convenient for butt joint and buckling of the splicing unit 1 and the upper cover 2.

Furthermore, in order to facilitate hoisting and transportation during actual construction, the outer side surfaces of the side walls 1.2 at two sides are symmetrically provided with hanging rings 11. In addition, in order to facilitate the stable laying of the splicing unit 1 in the excavation groove, the upper edges of the outer side surfaces of the side walls 1.2 on the two sides are protruded outwards to form clamping bosses 1.3, and the bottom surfaces of the two clamping bosses 1.3 are inclined downward towards the side walls 1.2.

The concrete construction steps are as follows:

firstly, a cable trench foundation is excavated, and the specific size of the cable trench foundation is determined according to the actual geological condition.

And secondly, paving a permeable cushion layer 5 in the cable trench foundation, wherein the permeable cushion layer 5 needs to be compacted and ensures certain flatness so as to facilitate paving and butting of the splicing units 1.

And thirdly, hoisting the splicing units 1 one by one into the cable trench foundation for butt joint, splicing the connecting anchor rod 6 on the front end surface of the next splicing unit 1 and the connecting jack 7 on the rear end surface of the previous splicing unit 1 together during splicing, so that when the front and rear splicing units 1 are easily butted together, the clamping bulge 4 on the rear end surface of the previous splicing unit 1 can be just matched and clamped in the clamping groove 3 on the front end surface of the rear splicing unit, and splicing between the adjacent splicing units 1 is ensured.

And fourthly, the upper cover 2 is matched and buckled on each splicing unit 1, and during buckling, the waterproof tooth wall 9 on each splicing unit 1 is matched and clamped with the waterproof clamping groove 10 on the bottom surface of the upper cover 2.

And fifthly, backfilling soil into the cable trench foundation outside the splicing unit 1, so that installation and laying of the modular self-drainage cable trench are completed.

Claims

1. The utility model provides a modularization is from drainage cable pit which characterized in that: the cable trench comprises a cable trench body formed by sequentially splicing a plurality of splicing units with the same structure, wherein each splicing unit is of a rectangular groove structure and is formed by encircling a water permeable bottom plate and a pair of side walls vertically and fixedly connected to the left and right side edges of the water permeable bottom plate, and a groove for penetrating a cable is formed in the middle of each splicing unit; the joint groove has been seted up on the preceding terminal surface of concatenation unit, be provided with on its rear end with the joint of joint groove looks adaptation is protruding, each equal adaptation lock has an upper cover on the concatenation unit.

2. The modular self-draining raceway of claim 1, wherein: the water-permeable bottom plate is a water-permeable concrete plate, and the side wall is a concrete plate or a reinforced concrete plate.

3. The modular self-draining raceway of claim 1, wherein: the clamping groove is formed by communicating a transverse clamping groove arranged at the front end of the upper surface of the water-permeable bottom plate with a longitudinal clamping groove arranged at the front end of the inner side surface of the two side walls; the clamping protrusion is formed by connecting a transverse clamping strip arranged at the rear end of the upper surface of the water permeable bottom plate and a longitudinal clamping strip arranged at the rear end of the inner side surface of the two side wall.

4. The modular self-draining raceway of claim 3, wherein: and a water expansion type rubber water stop strip is adhered to the inner wall of the clamping groove.

5. The modular self-draining raceway of claim 1, wherein: the water-permeable bottom plate and the side wall are horizontally and forwardly extended to form a connecting anchor rod, and connecting insertion holes corresponding to the connecting anchor rod in a matched mode are formed in the rear end faces of the water-permeable bottom plate and the side wall.

6. The modular self-draining raceway of claim 1, wherein: and a water drainage groove is formed in the middle of the upper surface of the water permeable bottom plate along the length direction of the cable trench body, and the section of the water drainage groove is of a semicircular structure.

7. The modular self-draining raceway of claim 1, wherein: two follow on the top surface of side wall the length direction of the cable trench body is provided with waterproof dentate wall set up on the bottom surface of upper cover with the waterproof draw-in groove of waterproof dentate wall adaptation joint.

8. The modular self-draining raceway of claim 1, wherein: the upper edges of the outer side surfaces of the two side walls are outwards protruded to form clamping bosses, and the bottom surfaces of the two clamping bosses are of inclined surface structures inclining downwards towards the direction of the side walls.

9. The modular self-draining raceway of claim 1, wherein: and a permeable cushion layer is attached to the bottom surface of the water permeable bottom plate.

10. The modular self-draining raceway of claim 1, wherein: and hanging rings are symmetrically arranged on the outer side surfaces of the two side walls.