CN113622463A

CN113622463A - Assembled underground pipe gallery structure and construction method thereof

Info

Publication number: CN113622463A
Application number: CN202111179444.2A
Authority: CN
Inventors: 应丹林; 汤强; 李兵兵; 费耀明; 鱼双键
Original assignee: North Engineering Co Ltd of China Railway Construction Engineering Group Co Ltd
Current assignee: North Engineering Co Ltd of China Railway Construction Engineering Group Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2021-11-09
Anticipated expiration: 2041-10-11
Also published as: CN113622463B

Abstract

The utility model belongs to the technical field of the construction and specifically relates to an assembled underground pipe gallery structure is related to, include the piping lane prefab body that the standing groove that is equipped with ground was pegged graft, four at least dead levers of last fixed surface of piping lane prefab body are connected with, the dead lever all is equipped with the lewis hole, piping lane prefab body upper surface overlap joint has the apron, the apron upper surface is equipped with a plurality of preformed holes that supply the dead lever to peg graft. The application also discloses a construction method of the assembly type underground pipe gallery. This application has the more convenient effect of laying underground pipe gallery process.

Description

Assembled underground pipe gallery structure and construction method thereof

Technical Field

The application relates to the field of building construction, in particular to an assembly type underground pipe gallery structure and a construction method thereof.

Background

With the continuous progress of society, utility tunnel obtains more and more extensive application, puts electric power, telecommunications, communication and other pipelines inside the piping lane, and the piping lane can protect various pipelines, still conveniently maintains various pipelines.

In the existing underground pipe gallery laying process, a deep groove is firstly dug on the ground, then a template is laid inside the deep groove, concrete is poured into the laid template, and after the concrete is dried and formed, a pipe gallery structure for placing pipelines is formed.

To the correlation technique among the above-mentioned, at the in-process of laying the underground pipe gallery, need cast in situ concrete, and then form the pipe gallery structure, the inventor thinks that there is the defect that the process of laying the underground pipe gallery is more troublesome.

Disclosure of Invention

In order to improve the problem that the underground pipe gallery is troublesome to lay, the application provides an assembled underground pipe gallery structure and a construction method thereof.

First aspect, the application provides a fabricated underground pipe gallery structure, adopts following technical scheme:

an assembled underground pipe gallery structure comprises a pipe gallery prefabricated part body spliced with a placing groove arranged on the ground, wherein the upper surface of the pipe gallery prefabricated part body is fixedly connected with at least four fixing rods, the fixing rods are provided with lifting holes, the upper surface of the pipe gallery prefabricated part body is lapped with a cover plate, the upper surface of the cover plate is provided with a plurality of preformed holes for splicing the fixing rods, the pipe gallery prefabricated part body is connected with a fixing mechanism for connecting the pipe gallery prefabricated part body with the vertical side wall of the placing groove, the fixing mechanism comprises a first splicing rod which is vertically arranged, the upper surface of the pipe gallery prefabricated part body is downwards provided with a first splicing groove for splicing the first splicing rod, the vertical outer wall of the pipe gallery prefabricated part body is inwards provided with a second splicing groove communicated with the first splicing groove, a second splicing rod is spliced in the second splicing groove, the lower surface of the first splicing rod is an inclined plane, one side of the second insertion rod close to the first insertion rod is also an inclined surface, the inclined surface of the first insertion rod is abutted against the inclined surface of the second insertion rod, and when the second insertion rod is completely arranged in the second insertion groove, the top end of the first insertion rod is arranged outside the first insertion groove.

Through adopting above-mentioned technical scheme, piping lane prefab body all makes in advance with the apron, transports piping lane prefab body and apron to the job site, excavates the standing groove on job site ground, and hoisting equipment is connected with the lewis hole, and hoisting equipment hangs piping lane prefab body through the dead lever, then puts into the standing groove with piping lane prefab body in, puts into this internally with the pipeline piping lane prefab. Hoisting equipment again with the apron hoist then with apron and this body coupling of piping lane prefab, the upper surface butt of apron and piping lane prefab body, the dead lever is pegged graft with the preformed hole this moment, the staff backfill the standing groove with soil in, the completion is to the work of laying of underground pipe gallery, has the effect of laying underground pipe gallery process convenience.

Fixing mechanism is connected piping lane prefab body and soil, has the effect that increases the stability of piping lane prefab body when arranging the standing groove in.

After the standing groove is arranged in to piping lane prefab body, the first grafting pole of downward removal hard, first grafting pole drives the second grafting pole and removes to the one side of keeping away from first grafting pole, and the second grafting pole passes the vertical inner wall of standing groove, and during the second grafting pole inserted soil, fixed piping lane prefab body, fixed process is more convenient, and the second grafting pole inserts soil, has the effect that increases piping lane prefab body and arranges the standing groove internal stability in.

Optionally, the pipe gallery prefabricated part body is connected with a locking assembly for fixing the second insertion rod.

Through adopting above-mentioned technical scheme, when second grafting pole and soil are pegged graft, locking Assembly fixes the second grafting pole, stability when increasing the second grafting pole and soil are pegged graft.

Optionally, the locking assembly comprises a vertically arranged butt joint rod, a third insertion groove for the butt joint rod to be inserted is formed in the lower surface of the second insertion groove inwards, a spring is fixedly connected to the bottom of the third insertion groove, the top end of the spring is fixedly connected with the lower surface of the butt joint rod, the lower surface of the second insertion rod is provided with the butt joint groove, when the second insertion rod is completely arranged in the second insertion groove, the butt joint rod is abutted to the lower surface of the second insertion rod, the spring is in a compression state, when the second insertion rod is inserted into soil, the butt joint rod is inserted into the butt joint groove, and the lower surface of the cover plate is abutted to the upper surface of the first insertion rod.

Through adopting above-mentioned technical scheme, when the second inserting groove was arranged in to the second inserting rod is whole, the lower surface butt of butt pole upper surface and second inserting rod, the spring was in compression state this moment, first inserting rod drives the in-process that the second inserting rod inserted soil, the butt groove is to the one side removal that is close to the butt pole, when the butt groove moved the butt pole directly over, the spring drove butt pole upward movement, the butt pole is pegged graft with the butt groove fast, the butt pole is fixed with the second inserting rod, the stationary process is more convenient. After this body coupling of apron and piping lane prefab, the apron is pushed down first grafting pole, stability when can also increasing first grafting pole and second grafting pole butt, and then stability when increasing second grafting pole and inserting soil.

Optionally, one end of the second plug rod, which is far away from the first plug rod, is pyramid-shaped.

By adopting the technical scheme, one end of the second inserting rod inserted into the soil is in a pyramid shape, so that the second inserting rod can be inserted into the soil more easily and more quickly.

Optionally, the equal fixedly connected with in one side that the lower surface of apron was kept away from each other inserts the piece, the pipe gallery prefab body upper surface is equipped with the recess that inserts the piece one-to-one and supply the grafting of grafting piece to peg graft inwards.

Through adopting above-mentioned technical scheme, the piece of pegging graft is pegged graft with the recess, has the effect that increases the stability when apron and this body coupling of piping lane prefab.

Optionally, the lower surface of the insertion block is fixedly connected with a sealing gasket abutted against the groove bottom of the groove.

Through adopting above-mentioned technical scheme, when grafting piece and recess were pegged graft, sealed the tank bottom of filling up and recess was closely butt, and sealed the leakproofness when filling up and increasing the grafting piece and recess, the moisture that reduces in the soil enters into the inside possibility of piping lane prefab body through the gap between apron and the piping lane prefab body.

Optionally, first connecting rods are inserted into the hanging holes, the lower surfaces of the first connecting rods abut against the upper surface of the cover plate, connecting holes are formed in the upper surfaces of the fixing rods, second connecting rods are inserted into the connecting holes, and connecting grooves for the second connecting rods to be inserted are formed in the upper surfaces of the first connecting rods.

Through adopting above-mentioned technical scheme, the head rod is pegged graft with the lewis hole, and the upper surface butt of head rod lower surface and apron, head rod will lap down, and stability when increasing apron and this body coupling of piping lane prefab pegs graft second connecting rod and spread groove, and the second connecting rod is fixed with the head rod, increases the stability when the head rod will lap down.

In a second aspect, the application provides an assembly type underground pipe gallery construction method, which adopts the following technical scheme:

a construction method of an assembled underground pipe gallery comprises the following steps:

s1, placing the pipe gallery prefabricated part body: excavating a placing groove on the ground of a construction site, connecting hoisting equipment with a hoisting hole, and placing the pipe gallery prefabricated part body into the placing groove by the hoisting equipment;

s2, fixing the pipe gallery prefabricated part body: the first inserting rod is moved downwards, the first inserting rod drives the second inserting rod to move towards one side far away from the first inserting rod, when the abutting groove is arranged right above the abutting rod, the spring restores deformation, the abutting rod is inserted into the abutting groove, and the second inserting rod is inserted into soil;

s3, mounting a cover plate: connecting the cover plate with the upper surface of the pipe gallery prefabricated part body through hoisting equipment, inserting the inserting block into the groove at the moment, and abutting the lower surface of the cover plate with the upper surface of the pipe gallery prefabricated part body;

s4, fixing the cover plate: and inserting the first connecting rod into the lifting hole, then inserting the second connecting rod into the connecting hole, and continuously moving the second connecting rod downwards to enable the second connecting rod to be inserted into the connecting groove.

Through adopting above-mentioned technical scheme, piping lane prefab body all makes in advance with the apron, transports piping lane prefab body and apron to the job site, and hoisting equipment puts into the standing groove with piping lane prefab body, and the first inserted bar of lapse removes downwards, and during first inserted bar made the second inserted bar insert soil, fixed with piping lane prefab body, the stationary process is more convenient, and during the second inserted bar inserted soil, it arranges the effect of standing groove internal stability in to have the increase piping lane prefab body. First grafting pole drives the in-process that the second grafting pole inserted soil, and the butt groove removes to one side near the butt pole, and when the butt groove moved the butt pole directly over, the spring drove butt pole upward movement, and the butt pole is pegged graft with the butt groove fast, and the butt pole is fixed with the second grafting pole, and the fixed process is more convenient. Hoisting equipment again with the apron hoist then with apron and this body coupling of piping lane prefab, have the effect of laying underground pipe gallery process convenience.

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

1. the pipe gallery prefabricated part body and the cover plate are manufactured in advance, the pipe gallery prefabricated part body and the cover plate are transported to a construction site, a placing groove is dug in the ground of the construction site, hoisting equipment hoists the pipe gallery prefabricated part body through a fixing rod, then the pipe gallery prefabricated part body is placed into the placing groove, the hoisting equipment hoists the cover plate and then connects the cover plate with the pipe gallery prefabricated part body, and workers backfill soil into the placing groove to finish the laying work of the underground pipe gallery, so that the effect of more convenient laying process of the underground pipe gallery is achieved;

2. after the standing groove is arranged in to piping lane prefab body, the first grafting pole of downward removal hard, first grafting pole drives the second grafting pole and removes to the one side of keeping away from first grafting pole, and the second grafting pole passes the vertical inner wall of standing groove, and during the second grafting pole inserted soil, fixed piping lane prefab body, fixed process is more convenient, and the second grafting pole inserts soil, has the effect that increases piping lane prefab body and arranges the standing groove internal stability in.

Drawings

Figure 1 is a schematic representation of a tube lane preform body embodying the present embodiment.

Fig. 2 is a schematic structural diagram of the present embodiment.

Fig. 3 is a schematic structural diagram showing the first and second plugging rods according to the present embodiment.

Fig. 4 is a schematic structural view illustrating the connection between the abutting rod and the abutting groove in the present embodiment.

Fig. 5 is a schematic structural diagram of the first connecting rod in the embodiment.

Fig. 6 is a schematic view showing a structure of the coupling groove in this embodiment.

Description of reference numerals: 1. a pipe gallery prefabricated part body; 11. reserving a groove; 12. fixing the rod; 121. hoisting holes; 122. connecting holes; 13. a first insertion groove; 14. a second insertion groove; 15. a third insertion groove; 16. a groove; 2. a ground surface; 21. a placement groove; 3. a cover plate; 31. reserving a hole; 32. an insertion block; 321. a gasket; 4. a fixing mechanism; 41. a first plug-in rod; 42. a second plug-in rod; 421. a butt joint groove; 43. a locking assembly; 431. a butting rod; 432. a spring; 5. a first connecting rod; 51. connecting grooves; 52. a second connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses assembled underground pipe gallery structure.

As shown in fig. 1 and 2, the utility tunnel structure includes piping lane prefab body 1, and the upper surface of piping lane prefab body 1 is equipped with the preformed groove 11 that is used for placing various pipelines inwards, and piping lane prefab body 1 is done in advance, directly transports piping lane prefab body 1 to the job site when the construction.

At the construction site, the placing groove 21 is firstly dug inwards on the ground 2, the four fixing rods 12 are fixedly connected to the upper surface of the prefabricated member body 1 of the pipe gallery, the vertical side faces of the fixing rods 12 are all provided with hanging holes 121 inwards, and the hanging holes 121 penetrate through the fixing rods 12.

A hoisting device (not shown) is connected to the hoisting hole 121, and the hoisting device hoists the fixing rod 12 and the pipe gallery preform body 1 upward. Hoisting equipment lifts by crane pipe gallery prefab body 1 and then puts into standing groove 21 with pipe gallery prefab body 1 in, separates hoisting equipment and lewis hole 121, and the outer wall of pipe gallery prefab body 1 and the inner wall butt of standing groove 21 this moment.

The underground pipe gallery structure further comprises a cover plate 3, the cover plate 3 is also made in advance, and the cover plate 3 is directly transported to a construction site. The upper surface of apron 3 is equipped with four preformed holes 31 downwards, and preformed hole 31 and dead lever 12 one-to-one set up.

After the pipe gallery prefabricated part body 1 is placed in the placing groove 21, the pipeline is placed in the reserved groove 11. The hoisting equipment is connected with the cover plate 3 to hoist the cover plate 3. Hoisting equipment lifts by crane apron 3 then hoisting equipment places apron 3 in the upside of piping lane prefab body 1, hoisting equipment and the separation of

apron

3, and 12 preformed holes 31 of dead lever are pegged graft this moment, and the lower surface of apron 3 and the upper surface butt of piping lane prefab body 1. Dead lever 12 is pegged graft with preformed hole 31, and dead lever 12 is fixed with apron 3, increases the stability when apron 3 covers piping lane prefab body 1.

Apron 3 covers the back with pipe gallery prefab body 1, then backfills soil in the standing groove 21, buries apron 3 and pipe gallery prefab body 1 underground, accomplishes the work of laying to underground pipe gallery, has the process of laying underground pipe gallery convenient effect more.

The site operation personnel can increase the quantity of piping lane prefab body 1 according to actual conditions, make 1 end to end of a plurality of piping lane prefab bodies can.

As shown in fig. 2 and 3, the pipe gallery prefabricated part body 1 is connected with the fixing mechanism 4, and after the pipe gallery prefabricated part body 1 is placed in the placing groove 21, the fixing mechanism 4 is connected with the vertical side wall of the placing groove 21 (refer to fig. 1), so that the stability of the pipe gallery prefabricated part body 1 when placed in the placing groove 21 is improved.

As shown in fig. 3 and 4, a pair of first inserting grooves 13 (refer to fig. 1) are formed in the inner surface of the pipe gallery prefabricated part body 1, a pair of vertical outer walls of the pipe gallery prefabricated part body 1 are both provided with second inserting grooves 14, the second inserting grooves 14 are arranged in one-to-one correspondence with the first inserting grooves 13, and the second inserting grooves 14 are communicated with the first inserting grooves 13.

The fixing mechanism 4 includes a pair of vertically arranged first insertion rods 41, the first insertion rods 41 are arranged in one-to-one correspondence with the first insertion grooves 13, and the first insertion rods 41 are inserted into the first insertion grooves 13. The fixing mechanism 4 further includes a pair of second insertion rods 42 horizontally disposed, the second insertion rods 42 are disposed in one-to-one correspondence with the second insertion grooves 14, and the second insertion rods 42 are inserted into the second insertion grooves 14.

The lower surface of the first inserting rod 41 is an inclined surface, and the inclined surface of the first inserting rod 41 faces one side of the second inserting rod 42. One side of the second inserting rod 42 close to the first inserting rod 41 is also an inclined surface, and the inclined surface of the second inserting rod 42 is abutted against the inclined surface of the first inserting rod 41.

The end of the second plug rod 42 away from the first plug rod 41 is pyramid-shaped, and in the initial state, the end of the second plug rod 42 away from the first plug rod 41 is disposed inside the second plug groove 14, and the top end of the first plug rod 41 is disposed outside the first plug groove 13.

As shown in fig. 3 and 4, after the pipe rack preform body 1 is placed in the placement groove 21, the worker strikes the first inserting rod 41 downward, and the first inserting rod 41 moves downward. The first inserting rod 41 drives the second inserting rod 42 to move towards one side far away from the first inserting rod 41, the second inserting rod 42 penetrates through the vertical inner wall of the placing groove 21, and the second inserting rod 42 is inserted into soil.

Second peg graft pole 42 inserts in soil with piping lane prefab body 1 fixed, and fixed process is more convenient, increases the stability of piping lane prefab body 1 when arranging in standing groove 21.

When the hardness of the soil is relatively large, the holes can be punched in the vertical inner wall of the placing groove 21 at corresponding positions in advance, so that the second inserting rod 42 can be inserted into the soil more quickly.

As shown in fig. 3 and 4, the pipe gallery prefabricated part body 1 is connected with a locking assembly 43, and after the second insertion rod 42 is inserted into the soil, the locking assembly 43 fixes the second insertion rod 42, so that the stability of the second insertion rod 42 when inserted into the soil is increased.

The locking assembly 43 includes a pair of vertically disposed abutting rods 431, and the abutting rods 431 are disposed in one-to-one correspondence with the second inserting-connecting slots 14. A third inserting groove 15 is formed in the lower surface of the second inserting groove 14 inwards, the third inserting groove 15 is communicated with the second inserting groove 14, and the abutting rod 431 is inserted into the third inserting groove 15.

The tank bottom of third inserting groove 15 is equipped with vertical setting's spring 432, and spring 432's one end and piping lane prefab body 1 fixed connection, spring 432's the other end and the lower surface fixed connection of butt pole 431. When the second plug rod 42 is not inserted into the soil, the upper surface of the abutment rod 431 abuts against the lower surface of the second plug rod 42, and the spring 432 is in a compressed state.

The lower surface of the second inserting rod 42 is provided with an abutting groove 421, and in the process of inserting the second inserting rod 42 into the soil, the abutting groove 421 moves to one side close to the abutting rod 431. When the abutting groove 421 moves to the position right above the abutting rod 431, the spring 432 drives the abutting rod 431 to move upwards, the abutting rod 431 is rapidly inserted into the abutting groove 421, the second inserting rod 42 is fixed by the abutting rod 431, and the fixing process is convenient.

After the second inserting rod 42 is inserted into the soil, the upper surface of the first inserting rod 41 and the upper surface of the pipe gallery prefabricated part body 1 are in the same plane. When being connected apron 3 and piping lane prefab body 1, the upper surface butt of apron 3 lower surface and first grafting pole 41, apron 3 pushes down first grafting pole 41, stability when can also increasing first grafting pole 41 and second grafting pole 42 butt, and then stability when increasing second grafting pole 42 and inserting soil.

As shown in fig. 2 and 3, a pair of insertion blocks 32 is fixedly connected to the lower surface of the cover plate 3, the two insertion blocks 32 are located on the side away from each other of the lower surface of the cover plate 3, and the length direction of the insertion blocks 32 is the same as the length direction of the cover plate 3. The upper surface of piping lane prefab body 1 is equipped with a pair of recess 16 to the inside, and recess 16 sets up with grafting piece 32 one-to-one.

When apron 3 is connected with piping lane prefab body 1, grafting piece 32 is pegged graft with recess 16, stability when increasing apron 3 and this body 1 of piping lane prefab and being connected.

The lower fixed surface of grafting piece 32 is connected with sealed the pad 321, and when grafting piece 32 and recess 16 pegged graft, sealed pad 321 and the inseparable butt of the tank bottom of recess 16, sealed pad 321 increases the leakproofness when grafting piece 32 and recess 16, reduces the moisture in the soil and enters into the inside possibility of pipe gallery prefab body 1 through the gap between apron 3 and pipe gallery prefab body 1.

As shown in fig. 5 and 6, after the cover plate 3 is connected to the pipe gallery preform body 1, the fixing rod 12 is inserted into the prepared hole 31, and the hanging hole 121 is disposed above the prepared hole 31. All pegging graft in the lewis hole 121 and having the head rod 5, the upper surface butt of head rod 5 lower surface and apron 3, head rod 5 pushes down apron 3, stability when increasing apron 3 and the connection of piping lane prefab body 1.

The upper surface of the fixing rod 12 is provided with a connecting hole 122 inward, and the connecting hole 122 is communicated with the hanging hole 121. The upper surface of the first connecting rod 5 is internally provided with a connecting groove 51, and after the first connecting rod 5 is inserted into the hanging hole 121, the connecting groove 51 is arranged right below the connecting hole 122.

The second connecting rods 52 are inserted into the connecting holes 122, the second connecting rods 52 are inserted into the connecting grooves 51, the first connecting rods 5 are fixed by the second connecting rods 52, and the stability of the cover plate 3 pressed by the first connecting rods 5 is improved.

The embodiment of the application also discloses a construction method of the assembled underground pipe gallery. As shown in fig. 3 and 4, the construction method includes the steps of:

s1, placing the pipe gallery prefabricated part body 1: a placing groove 21 is dug on the ground 2 of a construction site, hoisting equipment is connected with a hoisting hole 121, and the pipe gallery prefabricated part body 1 is placed into the placing groove 21 by the hoisting equipment;

s2, fixing the pipe gallery prefabricated part body 1: the first plug rod 41 is moved downwards, the first plug rod 41 drives the second plug rod 42 to move towards one side far away from the first plug rod 41, when the abutting groove 421 is arranged right above the abutting rod 431, the spring 432 restores to deform, the abutting rod 431 is plugged with the abutting groove 421, and the second plug rod 42 is inserted into soil at the moment;

s3, mounting cover plate 3: the cover plate 3 is connected with the upper surface of the pipe gallery prefabricated part body 1 through hoisting equipment, the inserting and connecting block 32 is inserted into the groove 16 at the moment, and the lower surface of the cover plate 3 is abutted to the upper surface of the pipe gallery prefabricated part body 1;

s4, fixing cover plate 3: the first connecting rod 5 is inserted into the hanging hole 121, then the second connecting rod 52 is inserted into the connecting hole 122, and the second connecting rod 52 is moved downwards to insert the second connecting rod 52 into the connecting groove 51.

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 an assembled underground pipe gallery structure which characterized in that: including pipe gallery prefab body (1) of pegging graft with standing groove (21) that ground (2) was equipped with, the last fixed surface of pipe gallery prefab body (1) is connected with four at least dead levers (12), dead lever (12) all are equipped with lewis hole (121), pipe gallery prefab body (1) upper surface overlap joint has apron (3), apron (3) upper surface is equipped with a plurality of preformed holes (31) that supply dead lever (12) to peg graft, pipe gallery prefab body (1) is connected with and is used for fixed establishment (4) of being connected pipe gallery prefab body (1) and standing groove (21) vertical lateral wall, fixed establishment (4) are including first inserting and inserting rod (41) of vertical setting, pipe gallery prefab body (1) upper surface downward is equipped with first inserting groove (13) that supply first inserting rod (41) to peg graft, the vertical outer wall of pipe gallery prefab body (1) inwards is equipped with the second inserting and inserting groove (13) that are linked together with first inserting groove (13) (14) The second inserting rod (42) is inserted in the second inserting groove (14), the lower surface of the first inserting rod (41) is an inclined surface, one side, close to the first inserting rod (41), of the second inserting rod (42) is also an inclined surface, the inclined surface of the first inserting rod (41) is abutted to the inclined surface of the second inserting rod (42), and when the second inserting rod (42) is completely arranged in the second inserting groove (14), the top end of the first inserting rod (41) is arranged outside the first inserting groove (13).

2. An assembled underground pipe gallery structure according to claim 1, wherein: the pipe gallery prefabricated part body (1) is connected with a locking assembly (43) for fixing the second insertion rod (42).

3. An assembled underground pipe gallery structure according to claim 2, wherein: the locking assembly (43) comprises a vertically arranged abutting rod (431), a third insertion groove (15) for the abutting rod (431) to be inserted is formed in the inner portion of the lower surface of the second insertion groove (14), a spring (432) is fixedly connected to the groove bottom of the third insertion groove (15), the top end of the spring (432) is fixedly connected with the lower surface of the abutting rod (431), an abutting groove (421) is formed in the lower surface of the second insertion rod (42), when the second insertion rod (42) is completely arranged in the second insertion groove (14), the abutting rod (431) abuts against the lower surface of the second insertion rod (42), the spring (432) is in a compression state, when the second insertion rod (42) is inserted into soil, the abutting rod (431) is inserted into the abutting groove (421), and the lower surface of the cover plate (3) abuts against the upper surface of the first insertion rod (41).

4. An assembled underground pipe gallery structure according to claim 3, wherein: one end of the second plug rod (42) far away from the first plug rod (41) is pyramid-shaped.

5. An assembled underground pipe gallery structure according to claim 1, wherein: the equal fixedly connected with in one side that the lower surface of apron (3) was kept away from each other inserts piece (32), pipe gallery prefab body (1) upper surface is equipped with in to and inserts piece (32) one-to-one and supply recess (16) that insert piece (32) peg graft.

6. An assembled underground pipe gallery structure according to claim 5, wherein: the lower surface of the insertion block (32) is fixedly connected with a sealing gasket (321) which is abutted against the groove bottom of the groove (16).

7. An assembled underground pipe gallery structure according to claim 5, wherein: all pegging graft in lewis hole (121) and having connect head rod (5), the lower surface of head rod (5) and the upper surface butt of apron (3), the upper surface of dead lever (12) is equipped with connecting hole (122) inwards, it has second connecting rod (52) to peg graft in connecting hole (122), head rod (5) upper surface is equipped with connecting groove (51) that supplies second connecting rod (52) to peg graft inwards.

8. The utility model provides an assembled underground pipe gallery construction method which characterized in that: the method comprises the following steps:

s1, placing the pipe gallery prefabricated part body (1): a placing groove (21) is excavated in the ground (2) of a construction site, hoisting equipment is connected with a hoisting hole (121), and the pipe gallery prefabricated part body (1) is placed into the placing groove (21) by the hoisting equipment;

s2, fixing the pipe gallery prefabricated part body (1): the first inserting rod (41) is moved downwards, the first inserting rod (41) drives the second inserting rod (42) to move towards one side far away from the first inserting rod (41), when the abutting groove (421) is arranged right above the abutting rod (431), the spring (432) restores to deform, the abutting rod (431) is inserted into the abutting groove (421), and the second inserting rod (42) is inserted into soil at the moment;

s3, mounting cover plate (3): the cover plate (3) is connected with the upper surface of the pipe gallery prefabricated part body (1) through hoisting equipment, the inserting block (32) is inserted into the groove (16), and the lower surface of the cover plate (3) is abutted to the upper surface of the pipe gallery prefabricated part body (1);

s4, fixing cover plate (3): and (3) inserting the first connecting rod (5) into the hanging hole (121), then inserting the second connecting rod (52) into the connecting hole (122), and continuously moving the second connecting rod (52) downwards to insert the second connecting rod (52) into the connecting groove (51).