CN209913462U

CN209913462U - Prefabricated assembled cable pit suitable for public place

Info

Publication number: CN209913462U
Application number: CN201920768391.XU
Authority: CN
Inventors: 李六骏; 江波; 张晓星; 汪磊
Original assignee: Anhui Huajun Electric Power Technology Co Ltd
Current assignee: Anhui Huajun Electric Power Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-07
Anticipated expiration: 2029-05-24

Abstract

The utility model relates to a prefabricated assembled cable pit suitable for public place, including a plurality of concatenation units of mutual concatenation, the concatenation unit includes bottom plate, two blocks of curb plates and the top cap that is located the curb plate top, and the curb plate both ends are provided with bulge and depressed part respectively, and the bulge includes the plugboard of prefabrication on the curb plate, and the depressed part includes two connecting plates of prefabrication on the curb plate, forms the inserting groove with plugboard complex between the connecting plate; a positioning plate and a positioning spring are arranged in the inserting groove, and two ends of the positioning spring are respectively connected to the positioning plate and the connecting plate; the positioning plate is abutted against the plugboard; one side of the side plate close to the concave part is provided with a notch, a waterproof sleeve is arranged in the notch, and the end part of the side plate is provided with a water stop pad. The utility model discloses have and be difficult for because of subsiding or the side moves the effect that leads to the damage.

Description

Prefabricated assembled cable pit suitable for public place

Technical Field

The utility model belongs to the technical field of the technique of electric power transportation device and specifically relates to a prefabricated assembled cable pit suitable for public place is related to.

Background

At present, the cable trench is excavated and built according to design requirements, a bearing angle steel frame is welded on the side wall of the trench and grounded according to requirements, and an underground trench covered by a cover plate is covered on the trench. The application of the underground cable laying device is an underground special channel for laying cables. The cable trench in the power transmission and transformation project of China generally adopts two forms of cast-in-place reinforced concrete and brick laying, the cast-in-place or masonry construction period is long, the environmental influence is large, the centralized maintenance cannot be carried out during the construction in winter, and the maintenance cost according to the length is high.

The prior art is a prefabricated cable trench as provided in patent application publication No. CN 205753309U. The two concrete prefabricated components with L-shaped vertical sections are oppositely arranged, the opposite end surfaces of the bottom edges of the two components are connected by a cast concrete structure, and the two components and the cast concrete structure form a U-shaped cable trench body; more than one U-shaped cable groove body is spliced to form the cable groove. The technical scheme has the advantages of short construction period, assembly type and cost saving

The above prior art solutions have the following drawbacks: the cable trench manufactured in sections is assembled and spliced when in use, so that the settlement difference between sections cannot be overcome, the edge stress of a pipe section is concentrated when the slab staggering is larger, the local extrusion cracks, and water leakage is caused by the damage of waterproof measures between two sections, and the cable trench is not suitable for being used in areas with large topographic and geological differences or large accumulated settlement within the design life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated assembled cable pit suitable for public place has the effect that is difficult for leading to the damage because of subsiding or side is moved.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a prefabricated assembly type cable duct suitable for public places comprises a plurality of splicing units which are spliced with one another, wherein each splicing unit comprises a bottom plate, two side plates and a top cover positioned at the tops of the side plates, the two ends of each side plate are respectively provided with a convex part and a concave part, each convex part comprises an insertion plate prefabricated on the corresponding side plate, each concave part comprises two connecting plates prefabricated on the corresponding side plate, and an insertion groove matched with the corresponding insertion plate is formed between the connecting plates; a positioning plate and a positioning spring are arranged in the inserting groove, and two ends of the positioning spring are respectively connected to the positioning plate and the connecting plate; the positioning plate is abutted against the plugboard; a notch is formed in one side, close to the concave portion, of the side plate, a waterproof sleeve is arranged in the notch, a water stop pad is arranged at the end portion of the side plate, and the end portion of the waterproof sleeve is connected with the water stop pad.

By adopting the technical scheme, the spliced splicing units are used for splicing the cable trench, so that transportation and field construction are facilitated, and the splicing units are connected by using the structures of the splicing plates and the splicing grooves, so that splicing is more convenient; an inserting groove is formed between the connecting plates, and the connecting between two adjacent splicing units is realized on the inserting plate under the structural action of a positioning spring and a positioning plate which are arranged in the inserting groove; notches are formed on the side plates, and when the splicing units laterally move in the horizontal direction, a certain moving space is provided; when producing the displacement in vertical direction, can be used in on the locating plate and make the locating plate take place to remove, reduced and moved and subside the time cable pit when producing the side and produced damaged possibility.

The utility model discloses further set up to: the connecting plate is provided with a mounting hole, a stud is installed in the mounting hole in a threaded mode, the plug board is provided with a through hole, the stud penetrates through the mounting hole and the through hole, and the diameter of the through hole is larger than that of the stud.

By adopting the technical scheme, the structure of the mounting hole, the stud and the through hole is added, after the plugboard and the pluggroove are mounted, the stud is mounted, and the stud can penetrate through the plugboard to further fix the plugboard; when lateral movement in the horizontal direction occurs, the stud can limit the displacement of the splicing plate; with the great of the internal diameter setting of through-hole, can provide certain displacement space when producing certain displacement in the vertical direction of plugboard, difficult emergence damage.

The utility model discloses further set up to: two elastic pieces are respectively arranged on two sides of the stud, the end parts of the elastic pieces are arranged in a bending mode, and the bending direction of the elastic pieces is that the elastic pieces are gradually close to the adjacent splicing units and are bent from the center of the splicing groove to two sides.

By adopting the technical scheme, the structure of the two elastic pieces is used for acting on the plugboard, so that the plugboard is more stably connected; the end part of the elastic sheet is bent, and the plug board can act on the elastic sheet to move towards two sides during plugging, so that the plugging of the plug board is facilitated.

The utility model discloses further set up to: the positioning plate is connected with a guide rod, the guide rod extends into the connecting plate in the direction close to the connecting plate, and the guide rod is vertically arranged and movably connected with the connecting plate; the positioning spring is sleeved outside the guide rod.

Through adopting above-mentioned technical scheme, increase the structure of guide bar, guide bar and connecting plate carry out swing joint, play the effect of direction to the flexure strip when the flexure strip moves to both sides for the flexure strip can only move along vertical direction, is difficult for breaking away from the inserting groove in the removal process.

The utility model discloses further set up to: the water stop pad is arranged as a rubber pad, the waterproof sleeve is made of plastic materials and is formed with ripples, and the joint of the waterproof sleeve and the notch is sealed.

By adopting the technical scheme, the structure of the rubber pad is adopted as the water stop pad, the rubber pad has enough deformation, and the rubber pad can still play a waterproof effect when lateral movement or settlement with small degree occurs; the waterproof cover adopts the plastic material of taking the ripple, has played waterproof effect to notch department, takes place the side at the plugboard and moves the effect when waterproof sheatheeing in, and waterproof cover takes place deformation, and difficult emergence is damaged.

The utility model discloses further set up to: the curb plate top is provided with the standing groove, and the apron and the standing groove cooperation at top, top cap bottom are provided with waterproof sealing pad.

By adopting the technical scheme, the structure of the placing groove is used, and the protruding part of the top cover is less after the top cover plate is installed; the waterproof sealing gasket is added, and a better waterproof effect can be achieved after the cover plate is installed.

The utility model discloses further set up to: and one side of each side plate, which is opposite to the corresponding side plate, is provided with an embedded plate, and the embedded plates are connected with cable supports.

By adopting the technical scheme, the structure between the embedded plate and the cable is increased, and the cable can be conveniently wired in the cable trench.

The utility model discloses further set up to: the top cover is provided with a handle groove.

Through adopting above-mentioned technical scheme, increased the structure of the handle groove on the top cap, be convenient for carry out laying of top cap.

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

1. splicing units are spliced by using the structures of the splicing plates and the splicing grooves, the splicing units are connected by using the structures of the elastic sheets and the positioning springs, notches are formed in the side plates, and a certain moving space is provided when the splicing units laterally move in the horizontal direction; when the positioning plate is displaced in the vertical direction, the positioning plate can act on the positioning plate to move; the splicing unit is not easy to be damaged when lateral movement or settlement occurs after splicing;

2. the structure of the stud is added in the inserting groove and the inserting plate, so that the connection stability of the inserting plate and the inserting groove is enhanced, and the inserting plate is not easy to separate from the inserting groove when lateral movement occurs;

3. the structure of the waterproof sleeve at the notch and the waterproof pad between the splicing units is added, so that a better waterproof effect can be achieved after the splicing of two adjacent splicing units; the waterproof pad and the waterproof sleeve have good deformation capacity, and can deform when the lateral movement or the settlement occurs, so that the possibility of water seepage is reduced.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the end of the middle splicing unit of the present invention;

FIG. 3 is a schematic sectional view of the insertion groove structure of the present invention;

fig. 4 is a schematic sectional view of the present invention.

Reference numerals: 1. a splicing unit; 11. a side plate; 12. a base plate; 13. a top cover; 131. a waterproof gasket; 132. a handle slot; 14. a notch; 15. a waterproof jacket; 16. a water stop pad; 2. a plugboard; 21. a through hole; 3. a connecting plate; 31. inserting grooves; 32. positioning a plate; 33. a guide bar; 34. a positioning spring; 35. a stud; 4. pre-burying a plate; 41. a cable support.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a prefabricated assembled cable pit suitable for public place, including a plurality of concatenation units 1 that splice each other, concatenation unit 1 includes curb plate 11 of the vertical setting in bottom plate 12, bottom plate 12 two and installs top cap 13 between curb plate 11 top, and the standing groove has been seted up at curb plate 11 top, and top cap 13 bottom is installed in the standing groove, is connected with waterproof gasket 131 bottom top cap 13, has played the water-proof effects of standing groove department. The top cover 13 is provided with a handle groove 132 for facilitating the installation of the top cover 13. The side plates 11 are prefabricated at one position close to each other and the embedded plate 4, a cable support 41 is installed on the embedded plate 4 and used for wiring cables, and the end parts between the cables are fixedly connected with the embedded plate 4.

Referring to fig. 2 and 3, in order to facilitate splicing of the splicing units 1, a notch 14 is formed at one end of the side plate 11, connecting plates 3 are prefabricated in the direction that two sides of the vertical direction of the notch 14 are close to each other, a plugging groove 31 is formed between the two connecting plates 3 to serve as a concave part, and a plugging plate 2 is formed at the other end of the side plate 11 to serve as a convex part. Set up positioning spring 34 and locating plate 32 in inserting groove 31, positioning spring 34 both ends are connected locating plate 32 and connecting plate 3 respectively, and four locating plates 32 and positioning spring 34 are installed to the symmetry in inserting groove 31, and inserting plate 2 inserts and fixes a position through locating plate 32 and positioning spring 34 after getting into inserting groove 31, realizes the concatenation between the concatenation unit 1. One end of the positioning plate 32 close to the adjacent splicing unit 1 is bent and the bending direction is gradually close to the adjacent splicing unit 1 and the bending direction is from the center of the splicing groove 31 to two positions in the vertical direction. When plugging is performed, the plug board 2 may press the bent portion, facilitating the cooperation between the plug board 2 and the plugging slot 31. Locating plate 32 is connected with guide bar 33, and in guide bar 33 vertically extended to locating plate 32 to the direction that is close to connecting plate 3, positioning spring 34 cover was established outside guide bar 33, and guide bar 33 and locating plate 32 carried out swing joint, had played the effect of direction when locating plate 32 takes place to remove, and locating plate 32 can only be followed vertical direction and removed.

Referring to fig. 3 and 4, a mounting hole is formed in the connecting plate 3, a stud 35 is installed in the mounting hole in a threaded manner, the stud 35 is connected with the mounting hole in a threaded manner, a through hole 21 is formed in the plugboard 2, the stud 35 penetrates through the through hole 21 and is connected with the connecting plate 3 at a position below the through hole 21, and the diameter of the through hole 21 is larger than that of the mounting hole and the stud 35. The structure of double-screw bolt 35 has been increased, the stability of being connected between plugboard 2 and inserting groove 31 has been promoted, can play spacing effect when splicing unit 1 has taken place the displacement of horizontal direction simultaneously, splicing unit 1 is difficult for breaking away from inserting groove 31, and the diameter of through-hole 21 is great, and when appearing subsiding of vertical direction in the time of splicing unit 1 displacement, certain displacement space is provided, the difficult damage that appears plugboard 2.

Referring to fig. 1 and 4, a waterproof jacket 15 is installed at the notch 14, a rubber water stop pad 16 is fixedly connected to the end portions of the side plate 11 and the bottom, and the water stop pads 16 are in close contact with each other after splicing. The waterproof sleeve 15 is made of plastic and is formed with corrugations, and the waterproof sleeve 15 is connected with the inner wall of the notch 14 in a sealing mode and the end portion of the waterproof sleeve is fixedly connected with the water stop pad 16. By using the structure of the water stop pad 16 and the waterproof sleeve 15, the splicing unit 1 has a good waterproof effect after splicing, and a good protection effect is achieved on the cable. The waterproof jacket 15 and the water stop pad 16 have certain deformation capability, and the water stop pad 16 is not easy to separate from each other when displacement or settlement with small scale is generated. When the plugboard 2 rotates due to displacement and acts on the waterproof sleeve 15, the waterproof sleeve 15 is not easy to be damaged.

The implementation principle of the embodiment is as follows: when the splicing unit 1 is manufactured and molded, the connecting plate 3 and the embedded plate 4 are fixedly prefabricated on the splicing unit 1, and the through hole 21 on the connecting plate 3 is connected with the splicing unit 1 after molding. The inserting plate 2 is inserted into the inserting groove 31 in an inserting mode, the positioning plate 32 and the positioning spring 34 are used for positioning the inserting plate 2, then the stud 35 is installed, the stud 35 penetrates through the installation hole and the through hole 21, and connection between the inserting plate 2 and the inserting groove 31 is enhanced. When the splicing unit 1 laterally moves in the horizontal direction, a certain movement space is provided. When producing the displacement in vertical direction, can be used in on locating plate 32 and make locating plate 32 take place to remove, reduced the cable pit produce damaged possibility when producing the side and move and subside.

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 prefabricated assembled cable pit suitable for public place, includes a plurality of concatenation units (1) of mutual concatenation, its characterized in that: the splicing unit (1) comprises a bottom plate (12), two side plates (11) and a top cover (13) positioned at the tops of the side plates (11), wherein two ends of each side plate (11) are respectively provided with a convex part and a concave part, each convex part comprises an insertion plate (2) prefabricated on the corresponding side plate (11), each concave part comprises two connecting plates (3) prefabricated on the corresponding side plate (11), and an insertion groove (31) matched with the corresponding insertion plate (2) is formed between the corresponding connecting plates (3); a positioning plate (32) and a positioning spring (34) are arranged in the inserting groove (31), and two ends of the positioning spring (34) are respectively connected to the positioning plate (32) and the connecting plate (3); the positioning plate (32) is abutted with the plugboard (2); a notch (14) is arranged on one side of the side plate (11) close to the concave part, a waterproof sleeve (15) is arranged in the notch (14), a water stop pad (16) is arranged at the end part of the side plate (11), and the end part of the waterproof sleeve (15) is connected with the water stop pad (16).

2. The prefabricated cable trench suitable for public use according to claim 1, wherein: the connecting plate (3) is provided with a mounting hole, a stud (35) is installed in the mounting hole in a threaded mode, a through hole (21) is formed in the inserting plate (2), the stud (35) penetrates through the mounting hole and the through hole (21), and the diameter of the through hole (21) is larger than that of the stud (35).

3. The prefabricated cable trench suitable for public use according to claim 2, wherein: two elastic pieces are respectively arranged on two sides of the stud (35), the end parts of the elastic pieces are arranged in a bending mode, and the bending direction of the elastic pieces is from the position which is gradually close to the adjacent splicing units (1) to the center of the splicing groove (31) to the two sides.

4. The prefabricated cable trench suitable for public use according to claim 3, wherein: the positioning plate (32) is connected with a guide rod (33), the guide rod (33) extends into the connecting plate (3) in the direction close to the connecting plate (3), and the guide rod (33) is vertically arranged and movably connected with the connecting plate (3); the positioning spring (34) is sleeved outside the guide rod (33).

5. The prefabricated cable trench suitable for public use according to claim 1, wherein: the water stop pad (16) is arranged as a rubber pad, the waterproof sleeve (15) is made of plastic materials and is formed with ripples, and the joint of the waterproof sleeve (15) and the notch (14) is sealed.

6. The prefabricated cable trench suitable for public use according to claim 1, wherein: the top of the side plate (11) is provided with a placing groove, the cover plate at the top is matched with the placing groove, and the bottom of the top cover (13) is provided with a waterproof sealing gasket (131).

7. The prefabricated cable trench suitable for public use according to claim 1, wherein: an embedded plate (4) is arranged on one side of the side plate (11) opposite to the side plate, and a cable support (41) is connected to the embedded plate (4).

8. The prefabricated cable trench suitable for public use according to claim 1, wherein: the top cover (13) is provided with a handle groove (132).