CN210712934U

CN210712934U - Assembled utility tunnel

Info

Publication number: CN210712934U
Application number: CN201921080055.2U
Authority: CN
Inventors: 李建辉; 高海强; 章建荣; 武文学; 韩易桐
Original assignee: Beijing Shougang Construction Group Co Ltd
Current assignee: Beijing Shougang Construction Group Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-06-09
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to an assembled utility tunnel, in particular to municipal underground piping engineering field, which comprises a plurality of pipe gallery units, wherein a connecting component is arranged between two adjacent pipe gallery units, and each pipe gallery unit comprises a top plate, a bottom plate and two supporting plates which are spliced into a cuboid structure; coupling assembling includes the buffer board fixed with two adjacent pipe gallery units, and the buffer board encircles pipe gallery unit inner channel a week and transversal personally submitting sinusoidal form. The utility model discloses have the effect that takes place soil layer when subsiding at piping lane concatenation end and keep the whole integrality of piping lane.

Description

Assembled utility tunnel

Technical Field

The utility model belongs to the technical field of municipal administration underground piping engineering technique and specifically relates to an assembled utility tunnel is related to.

Background

The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing city operation.

The utility model discloses a grant publication number is CN206396794U among the prior art discloses an assembled piping lane, including piping lane bottom plate, along a plurality of piping lane lateral walls of piping lane bottom plate length direction parallel arrangement and arrange the roof in piping lane lateral wall top, the piping lane lateral wall be the double skin wall structure that comprises interior wallboard and outer wallboard, interior wallboard is equipped with spiral stirrup encryption district with the root of outer wallboard. The utility model discloses construction convenience, it is with low costs, improved the waterproof quality of piping lane structure, reduced safe risk.

The above prior art solutions have the following drawbacks: when the soil layer of piping lane concatenation department lower part appears subsiding, the piping lane tip of concatenation department sinks, arouses the roof fracture of buckling of concatenation department piping lane top easily, arouses that piping lane concatenation department takes place to leak or leaks native phenomenon.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembled utility tunnel, it has the effect that keeps the whole integrality of piping lane when the underground soil layer subsides takes place at piping lane concatenation end.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an assembled comprehensive pipe gallery comprises a plurality of pipe gallery units, wherein a connecting assembly is arranged between every two adjacent pipe gallery units, and each pipe gallery unit comprises a top plate, a bottom plate and two supporting plates which are spliced into a cuboid structure; coupling assembling includes the buffer board fixed with two adjacent pipe gallery units, and the buffer board encircles pipe gallery unit inner channel a week and transversal personally submitting sinusoidal form.

Through adopting above-mentioned technical scheme, connect through the buffer board of sinusoidal form between two adjacent piping lane units in this assembled piping lane, when the stratum at piping lane place takes place to subside, the buffer board between the piping lane unit takes place to warp in order to adapt to the distance change between two piping lane units, and the buffer board has certain holding power simultaneously for two adjacent piping lane units are difficult to the rupture, keep the stability of whole piping lane, reduce the concatenation department and take place to leak native and the possibility of leaking.

The utility model discloses further set up to: the connecting assembly also comprises annular fixing frames fixed at two ends of the buffer plate, and at least one connecting rod is vertically fixed on the end surface of each fixing frame; and a connecting hole for the connecting rod to penetrate is formed in the pipe gallery unit.

Through adopting above-mentioned technical scheme, fixed frame has increased the intensity at buffer board both ends, and the buffer board passes through connecting rod and piping lane unit connection. When taking place the secret soil layer and subsiding, the buffer board both ends can keep original shape for the middle part of buffer board takes place to warp, makes the gap between coupling assembling and the piping lane unit contact surface maintain better, has reduced the possibility of leaking soil.

The utility model discloses further set up to: the inner wall both sides that roof and bottom plate are close to the piping lane center relative are fixed with the draw-in groove, the upper and lower both ends of backup pad are equipped with the card strip of fixing with the draw-in groove cooperation card.

Through adopting above-mentioned technical scheme, the piping lane unit is assembled by polylith panel and is formed for panel can make in advance, then the card is solid can assemble together, improves the efficiency of construction, and the relative environmental protection of work progress.

The utility model discloses further set up to: the clamp strip is arranged along the length direction of the bottom plate, a pre-embedded pipe is arranged in the clamp strip, a plurality of branch pipes are axially distributed on the surface of the pre-embedded pipe, and the end parts of the branch pipes extend to the end faces of the clamp strip to form overflow holes.

By adopting the technical scheme, on one hand, the embedded pipes increase the structural strength of the clamping strips; on the other hand piping lane unit equipment is tentatively accomplished the back, can pour into cement thick liquid from the one end of pre-buried pipe, and cement thick liquid flows and infiltrates the clearance between card strip and the draw-in groove from the overflow hole, treats that cement thick liquid solidifies the back and can be in the same place the panel of concatenation, improves the structural stability of piping lane unit. In addition, the grout after the sclerosis plugs up the gap of piping lane unit concatenation department, has reduced the possibility that later stage groundwater enters into the piping lane along the gap.

The utility model discloses further set up to: the bottom plate is located and has set firmly two location platforms between two card strips, and the location platform includes the vertical face that the perpendicular to bottom plate set up, and the distance between card strip and the vertical face equals the distance between draw-in groove and the backup pad inner wall.

Through adopting above-mentioned technical scheme, in the equipment process for behind the medial surface butt of backup pad to the vertical plane of location platform, the draw-in groove is located the card strip directly over, and the backup pad falls under the action of gravity and can block solid support on the bottom plate, improves operating efficiency.

The utility model discloses further set up to: the connecting hole is located positioning table, and the end of the connecting hole far away from the end face of the bottom plate extends out of the positioning table to form a grouting hole.

Through adopting above-mentioned technical scheme, insert in the connecting pipe and fixed frame and piping lane unit terminal surface hug closely the back when the connecting rod, pour into grout in the injected hole, grout spills over from the other end of connecting pipe, and the grout cladding in the connecting pipe is outside at the connecting rod, treats grout sclerosis back, and the connecting rod becomes an organic whole with the piping lane unit is fixed, increases coupling assembling and the joint strength of piping lane unit.

The utility model discloses further set up to: the connecting hole is an L-shaped stainless steel pipe pre-buried in the positioning table, the connecting rod is a threaded steel bar vertically fixed on the end face of the fixing frame, and the inner diameter of the stainless steel pipe is larger than the outer diameter of the threaded steel bar.

Through adopting above-mentioned technical scheme, the twisted steel surface is coarse, and after the grout hardens, the twisted steel can be fixed with the fine combination of nonrust steel pipe, improves the joint strength of coupling assembling and piping lane unit.

The utility model discloses further set up to: the end face of the fixing frame close to the pipe gallery unit is fixedly bonded with an elastic rubber pad.

Through adopting above-mentioned technical scheme, can realize the water repellent between coupling assembling and the piping lane, reduce groundwater from the seam crossing infiltration to the possibility of piping lane.

The utility model discloses further set up to: the roof is kept away from the protruding arched cambered surface that is in one side in piping lane unit middle part.

Through adopting above-mentioned technical scheme, the arc-shaped cambered surface can increase the anti deformability and the support capacity of roof for difficult emergence when the piping lane is buried underground is collapsed, improves the security.

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

1. the buffer plate on the connecting assembly can be adaptively deformed when soil at the lower part of the splicing position of the pipe gallery is settled, so that the integral structural integrity of the pipe gallery is maintained, and the possibility of water leakage or soil leakage at the splicing position is reduced;

2. the pipe gallery is designed in an assembling mode, so that the construction efficiency of the pipe gallery is improved;

3. the pre-buried pipe on the bottom plate improves the strength of the clamping strip on one hand, so that the assembled type is not easy to damage and deform; on the other hand, cement paste can be injected to fix the plates together, so that the strength of the pipe gallery is improved.

Drawings

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

FIG. 2 is a partial exploded view showing the joining assembly and the pipe gallery unit mosaic;

FIG. 3 is an enlarged view of portion A of FIG. 2 showing the connection structure of the support plate and the base plate;

FIG. 4 is a partial cross-sectional view of the buried pipe structure taken along plane B-B of FIG. 2;

FIG. 5 is a partial cross-sectional view taken along plane C-C of FIG. 2 showing the configuration of the connection tube;

fig. 6 is a schematic view showing the connection rod after being inserted into the connection pipe in the pipe gallery unit and grouted.

In the figure, 1, a pipe gallery unit; 11. a top plate; 111. a first lifting lug; 12. a support plate; 121. a card slot; 122. a second lifting lug; 13. a base plate; 131. a positioning table; 132. clamping the strip; 133. accommodating grooves; 2. a connecting member; 21. a fixing frame; 22. a buffer plate; 23. a connecting rod; 3. a connecting pipe; 31. grouting holes; 4. pre-burying a pipe; 41. an overflow aperture.

Detailed Description

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

Referring to fig. 1, for the utility model discloses an assembled utility tunnel, include a plurality of piping lane units 1 and install coupling assembling 2 between two adjacent piping lane units 1. After the underground soil layer of two adjacent pipe gallery unit 1 junctions takes place to subside, coupling assembling 2 can the adaptability warp, keeps two pipe gallery unit 1 connection integrality.

Referring to fig. 1 and 2, the pipe gallery unit 1 comprises a top plate 11, two support plates 12 and a bottom plate 13 which are prefabricated by reinforced concrete, wherein the bottom plate 13 is horizontally arranged, the two support plates 12 are vertically fixed on two sides of the bottom plate 13 in the width direction, and the top plate 11 is horizontally supported and fixed on the upper parts of the two support plates 12; the top plate 11, the supporting plate 12 and the bottom plate 13 can be rectangular plates, and the specification length of the rectangular plates is 4-5m, the width of the rectangular plates is 1-2m, and the thickness of the rectangular plates is 0.1-0.15m, so that the whole pipe gallery unit 1 is of a cuboid structure with a hollow interior. In order to improve the supporting performance of the top plate 11, one surface of the top plate 11, which is far away from the bottom plate 13, is raised to form an arched surface. The four corners of the top plate 11 on the arc surface are integrally provided with lifting lugs 111, so that the lifting lugs are lifted mechanically when the lifting lugs are convenient to mount.

Referring to fig. 2 and 3, the upper and lower end surfaces of the support plate 12 are provided with clamping grooves 121 having a rectangular cross section along the length direction thereof, and the support plate 12 is adjacent to the tube lane unit 1. The top plate 11 and the bottom plate 13 have the same structure on the opposite side near the middle of the pipe gallery unit 1. The bottom plate 13 is integrally provided with a locking strip 132 at both sides in the width direction, which fits the contour of the locking groove 121. In order to facilitate the quick alignment of the clamping groove 121 of the support plate 12 and the clamping strip 132 on the bottom plate 13 or the top plate 11, a positioning table 131 parallel to the clamping strip 132 is integrally and fixedly arranged on the plane where the clamping strip 132 is located on the bottom plate 13, a transverse base surface of the positioning table 131 is in a right triangle shape or a right trapezoid shape, a vertical surface of the positioning table 131 is perpendicular to the horizontal plane of the bottom plate 13, an accommodating groove 133 is formed between the positioning table 131 and the clamping strip 132, the width of the accommodating groove 133 is equal to the vertical distance from the clamping groove 121 to the inner side surface of the support plate 12, so that the clamping groove 121 is located right above the clamping strip 132 after the inner side surface of the support plate 12 is abutted to the vertical plane of the positioning table.

Since the fitting structure between the top plate 11 and the support plate 12 is the same as the fitting structure between the bottom plate 13 and the support plate 12, the top plate 11 can be quickly supported on the upper portions of the two support plates 12 in the same manner.

Referring to fig. 2 and 4, in order to enable the assembled top plate 11 and the supporting plate 12 to be connected and fixed to form a whole between the base 13 and the supporting plate 12, the embedded pipe 4 is fixed inside the clamping strip 132 along the length direction, the embedded pipe 4 can be a stainless steel pipe, a plurality of branch pipes in the communication pipe are fixed on the embedded pipe 4 along the bus direction, the axes of the branch pipes are radially arranged along the embedded pipe 4, and one ends of the branch pipes, far away from the embedded pipe 4, are flush with the end face of the clamping strip 132 and form overflow holes 41. After the assembly is finished, cement slurry is injected from one end of the embedded pipe 4, the cement slurry flows along the embedded pipe 4 and overflows from the overflow hole 41 to enter a gap between the clamping strip 132 and the clamping groove 121, and the top plate 11, the supporting plate 12 and the bottom plate 13 are fixed into a whole after the cement slurry is hardened. In addition, the gap of concatenation department is effectively stopped up after the grout of packing hardens, has reduced groundwater and has entered into the inside possibility of piping lane unit 1 along the gap.

Referring to fig. 2 and 4, the connecting assembly 2 includes two fixing frames 21, a buffer plate 22 fixed between the two fixing frames 21, and four connecting rods 23 perpendicularly fixed to an end surface of each fixing frame 21. The fixing frame 21 can be a rectangular stainless steel frame, the outline of the stainless steel frame is matched with the outline of the pipe gallery unit 1, and triangular reinforcing blocks are integrally arranged at the corners of the stainless steel frame; the buffer plate 22 surrounds the circumference, and two ends of the buffer plate 22 are fixed and sealed with the fixed frame 21, the buffer plate 22 can be an aluminum alloy plate with a sinusoidal section, the buffer plate has high strength, and the buffer plate 22 and the fixed frame 21 can be welded and fixed; the connecting rod 23 can be a threaded steel bar, and the connecting rod 23 penetrates through the two fixing frames 21 and is fixed by welding.

The connecting pipes 3 are fixedly arranged on the end surfaces of the top plate 11 and the bottom plate 13 at the positions of the positioning table 131 respectively, the axial length of each connecting pipe 3 is greater than that of the connecting rod 23, the inner diameter of each connecting pipe 3 is greater than the outer diameter of the corresponding connecting rod 23, so that the corresponding connecting rod 23 can be inserted into the corresponding connecting pipe 3, and the gap between the corresponding connecting rod 23 and the inner wall of the corresponding connecting pipe 3 can be 3-5 mm.

Referring to fig. 5 and 6, the connecting tube 3 is L-shaped, and may be made of stainless steel, one end of the connecting tube 3 is flush with the end surface of the top plate 11, and the other end of the connecting tube 3 extends out to the surface of the positioning table 131 to form a grouting hole 31. Insert in connecting pipe 3 and fixed frame 21 hugs closely the back with piping lane unit 1 terminal surface when connecting rod 23, injects grout from injected hole 31, and grout overflows from the other end of connecting pipe 3, and the grout cladding in connecting pipe 3 is outside at connecting rod 23, treats the grout sclerosis back, and connecting rod 23 is fixed as an organic whole with piping lane unit 1, increases coupling assembling 2 and piping lane unit 1's joint strength.

In order to improve the sealing performance between the contact surfaces of the fixing frame 21 and the top plate 11, an annular rubber gasket (not shown) is bonded and fixed to one surface of the fixing frame 21 close to the connecting rod 23, and the rubber gasket may be 5-8mm thick.

This assembled utility tunnel's installation as follows:

firstly, horizontally placing the bottom plate 13 on the bottom of a pipe gallery foundation pit excavated in advance in a hanging manner by using a crane, then vertically placing the support plate 12 in a hanging manner, and enabling the inner side surface to be attached to the positioning table 131 on the bottom plate 13 and then fall down, so that the clamping strip 132 is clamped with the clamping groove 121; the top plate 11 is suspended and horizontally supported on the support plate 12, and the locking strip 132 on the top plate 11 is engaged with the locking groove 121 on the support plate 12. And after the assembly is finished, cement slurry is injected from one end of the embedded pipe 4 until the cement slurry overflows from the splicing part, and then the grouting is stopped, and the pipe gallery unit 1 is formed after the cement slurry is hardened.

Later installation coupling assembling 2, align the back with connecting rod 23 of coupling assembling 2 and connecting pipe 3 on the piping lane unit 1, remove coupling assembling 2 and be close to make connecting rod 23 insert in connecting pipe 3 to piping lane unit 1, sticiss fixed frame 21 and make the rubber pad take place to warp, then follow grout injection hole 31 and pour into grout, treat that grout solidifies back coupling assembling 2 and piping lane unit 1 fixed connection together.

When the soil layer of 2 lower parts of coupling assembling takes place to subside, pipe gallery unit 1 link takes place to sink thereupon downwards, and buffer board 22 is owing to be the aluminum alloy plate of sinusoidal form, and buffer board 22 takes place to warp in order to adapt to the change of distance between two adjacent pipe gallery units 1, keeps whole pipe gallery's stability, reduces the pipe gallery concatenation department and takes place to leak or leak native phenomenon.

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 an assembled utility tunnel, includes a plurality of piping lane units (1), is equipped with coupling assembling, its characterized in that between two adjacent piping lane units (1): the pipe gallery unit (1) comprises a top plate (11), a bottom plate (13) and two supporting plates (12) which are spliced into a cuboid structure; coupling assembling includes buffer board (22) fixed with two adjacent pipe gallery units (1), and buffer board (22) encircle pipe gallery unit (1) inside passage a week and transversal personally submit sinusoidal form.

2. The fabricated utility tunnel of claim 1, wherein: the connecting assembly further comprises annular fixing frames (21) fixed at two ends of the buffer plate (22), and at least one connecting rod (23) is vertically fixed on the end face of each fixing frame (21); and a connecting hole for the connecting rod (23) to penetrate is formed in the pipe gallery unit (1).

3. The fabricated utility tunnel of claim 2, wherein: the inner wall both sides that roof (11) and bottom plate (13) are close to the piping lane center relative are fixed with draw-in groove (121), the upper and lower both ends of backup pad (12) are equipped with and cooperate the card strip (132) of solid of card with draw-in groove (121).

4. The fabricated utility tunnel of claim 3, wherein: the clamp strip (132) is arranged along the length direction of the bottom plate (13), the embedded pipe (4) is arranged in the clamp strip (132), a plurality of branch pipes are axially distributed on the surface of the embedded pipe (4), and the end parts of the branch pipes extend to the end face of the clamp strip (132) to form overflow holes (41).

5. The fabricated utility tunnel of claim 3, wherein: the bottom plate (13) is located and has set firmly two location platforms (131) between two card strip (132), and location platform (131) are including the vertical face that perpendicular to bottom plate (13) set up, and the distance between card strip (132) and the vertical face equals the distance between draw-in groove (121) and backup pad (12) inner wall.

6. The fabricated utility tunnel of claim 5, wherein: the connecting hole is located positioning table (131), and one end of the connecting hole, which is far away from the end face of bottom plate (13), extends out of positioning table (131) to form grouting hole (31).

7. The fabricated utility tunnel of claim 6, wherein: the connecting hole is an L-shaped stainless steel pipe pre-buried in the positioning table (131), the connecting rod (23) is a threaded steel bar vertically fixed on the end face of the fixing frame (21), and the inner diameter of the stainless steel pipe is larger than the outer diameter of the threaded steel bar.

8. The fabricated utility tunnel of claim 2, wherein: the end face of the fixing frame (21) close to the pipe gallery unit (1) is fixedly bonded with an elastic rubber pad.

9. The fabricated utility tunnel of claim 3, wherein: the roof (11) keep away from the protruding cambered surface that is arched in one side in pipe gallery unit (1) middle part.