CN212866042U

CN212866042U - Longitudinal connection assembly type pipe gallery with upper prestress and lower prestress

Info

Publication number: CN212866042U
Application number: CN202020894747.7U
Authority: CN
Inventors: 张楸长
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-04-02
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a prestressing force is to adding assembled piping lane of longitudinal connection from top to bottom, it includes the left and right side piping lane body of two sections more than two sections that set up vertically and the horizontal centre joint is pieced together, the top, the board of the left and right side piping lane body are respectively in piecing together the surface stretch-draw anchor; the transverse corresponding left and right half pipe gallery bodies are arranged in parallel or in a staggered way after being spliced; the outer wall of left and right half piping lane body is the arc, and left and right half piping lane body tip corresponds the connected node connecting box respectively, assembles left half piping lane body and right half piping lane body in order, sets up the back and adds the linkage segment, has solved the prefabricated especially big technical problem who assembles the butt joint.

Description

Longitudinal connection assembly type pipe gallery with upper prestress and lower prestress

Technical Field

The utility model relates to a prestressing force is to adding longitudinal connection assembled piping lane from top to bottom.

Background

The urbanization process of China is accelerated continuously in recent years, the pressure borne by old urban sewer networks is increased continuously, most of the sewer networks reach the limit of operation, and in recent years, the urban waterlogging in rainy seasons is more and more serious, rainwater cannot be drained timely by rainwater drainage pipelines, the urban waterlogging seriously affects the production and the life of people, how to get rid of the shadow of the urban waterlogging, and how to increase the functions of pipe galleries and improve the quality of pipe gallery projects become new subjects for the research of various big cities.

The mode of the common ditches and the common tunnels under the city is in a lagging state, the pipe gallery with a single cabin and two cabins cannot meet the requirement of new technical specifications, and the construction of the prestress assembly type pipe gallery is very feasible and is very valuable and meaningful.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a prefabricated two cabins is provided, left and right is to piecing together, guarantees the plane degree of piping lane assembly and the prestressing force of straightness accuracy from top to bottom to adding longitudinal connection assembled piping lane.

The utility model adopts the following technical scheme:

the utility model comprises a left half-side pipe gallery body and a right half-side pipe gallery body which are vertically arranged and are spliced by transverse middle seams, wherein the top plates and the bottom plates of the left half-side pipe gallery body and the right half-side pipe gallery body are respectively tensioned and anchored on the splicing surfaces; the transversely corresponding left half-side pipe gallery body and the right half-side pipe gallery body are aligned or staggered with the longitudinal end after being spliced; the left side wall of the left half-side pipe gallery body and the right side wall of the right half-side pipe gallery body are both arc-shaped, the end parts of the left half-side pipe gallery body and the right half-side pipe gallery body are respectively and correspondingly connected with the joint connection boxes, and the middle seams of the two joint connection boxes are correspondingly assembled or assembled in a staggered manner; concrete cushions are arranged at the bottoms of the left half pipe gallery body, the right half pipe gallery body and the corresponding node connecting boxes; half left side piping lane body and half right side piping lane body's vertical both ends stretch-draw anchor back on the back respectively.

The utility model discloses half left side piping lane body and half right side piping lane body all include the prefabricated piping lane spare of three section or the heterotypic more than five sections that vertically links gradually, and an outer panel of prefabricated piping lane spare of heterotypic is the arc, all sets up outer skeleton and nexine skeleton in prefabricated piping lane spare roof of heterotypic and bottom plate, sets up horizontal bobbin and vertical bobbin between outer skeleton and nexine skeleton; the transverse bobbin and the longitudinal bobbin are both provided with prestressed tendons; respectively arranging prestressed anchorage devices in concave holes on the transverse butt-joint side surfaces of the top plate and the bottom plate of the special-shaped prefabricated pipe gallery component; pre-burying fixed anchors in the transverse outer sides of the top plate and the bottom plate of the special-shaped prefabricated pipe gallery component; one end of a prestressed tendon which penetrates through the top plate and the bottom plate of the special-shaped prefabricated pipe gallery part and in the transverse cylindrical pipe is connected with a fixed anchorage device, and the other end of the prestressed tendon is tensioned and anchored with a prestressed anchorage device; longitudinal tensioning boxes are pre-buried at the inner corners of the special-shaped prefabricated pipe gallery pieces at the two longitudinal ends; the longitudinal ends of the longitudinal tensioning box are respectively provided with a prestressed anchorage device, and prestressed tendons penetrating through the longitudinal cylindrical pipe are tensioned and anchored in a back-to-back manner through the prestressed anchorage devices at the corresponding ends of the longitudinal tensioning box in the special-shaped prefabricated pipe gallery pieces at the longitudinal ends.

The utility model discloses install the back between two left half pipe gallery bodies and two right half pipe gallery bodies and add the linkage segment, set up the prestressing tendons that are connected with adjacent heterotypic prefabricated pipe gallery spare in the linkage segment that adds after, prestressing tendons both ends respectively with adjacent heterotypic prefabricated pipe gallery spare in the prestressing tendons correspond the prestressing force anchor in the end with the vertical stretch-draw box; splicing seams are arranged between the corresponding ends of the special-shaped prefabricated pipe gallery pieces at the end parts of the left half-side pipe gallery body and the right half-side pipe gallery body and the corresponding rear-added connecting sections, and sealing strips are arranged in the splicing seams; a safety opening is arranged at the top of the special-shaped prefabricated pipe gallery piece.

The utility model adds the connecting section after being installed between the left half pipe gallery body and the right half pipe gallery body and the corresponding node connecting box; a reserved expansion joint is arranged between the end part of the rear additional connecting section and the corresponding node connecting box, a rubber water stop is arranged in the reserved expansion joint, a fixed anchorage device is pre-embedded in the end, corresponding to the node connecting box, in the rear additional connecting section, one end of a prestressed tendon in the rear additional connecting section is connected with the fixed anchorage device pre-embedded in the prestressed tendon, and the other end of the prestressed tendon is in tension anchorage with a prestressed anchorage device at the corresponding end of a longitudinal tension box in the adjacent special-shaped prefabricated pipe gallery component; arranging a ventilation opening at the top of the special-shaped prefabricated pipe gallery piece; a monitoring center is arranged at the left lateral end of the two spliced node connecting boxes, and a ventilation room is arranged at the right lateral end; the top of the left node connection box is provided with a left feed inlet, and the top of the right node connection box is provided with a right feed inlet.

The utility model is characterized in that a sewage cabin and an electric power cabin are transversely arranged in the left half pipe rack body from left to right, and a comprehensive cabin and a natural gas cabin are transversely arranged in the right half pipe rack body; the outer side plates of the sewage tank and the natural gas tank are both arc-shaped; a regulating sewage pipe is arranged on one side of the upper part of the sewage tank through a bracket, and a sewage pipe is arranged at the bottom of the sewage tank through a support; a cable support is arranged on one side wall of the electric power cabin, and a cable is arranged on the cable support; a tap water pipe is arranged on one side of the top of the comprehensive cabin through a support, a regenerated water pipe is arranged on the other side of the top of the comprehensive cabin through a support, and a heat pipe is arranged at the bottom of the comprehensive cabin through a support; and a vent pipe is arranged on one side of the top in the natural gas cabin through a support, and a natural gas pipe is arranged at the bottom through a support.

The longitudinal tensioning box of the utility model is a square box body with an open top surface, and through holes for the prestressed tendons to pass through are respectively arranged at the two ends of the longitudinal tensioning box; add the pipe gallery section that the linkage segment adds for the scene after, its structure is the same with heterotypic prefabricated pipe gallery spare structure.

The utility model discloses the Z of bilge water sump and natural gas cabin is half circular to the cross-section, and the Z of electric power cabin and comprehensive cabin is square to the cross-section.

The utility model discloses the node connecting box that corresponds and bilge water tank, electric power cabin, the synthesis cabin and the natural gas cabin intercommunication that correspond, the cable conductor sets up in the surveillance center through the node connecting box that corresponds, and the ventilation pipe sets up in the ventilation room through the node connecting box that corresponds.

The utility model discloses an actively the effect as follows:

the utility model discloses a mode of "four cabins are to piecing together, longitudinal connection" belongs to "structural innovation" and "functional innovation", utilize four cabins to piecing together to assemble half left side piping lane body and half right side piping lane body in proper order, utilize to add prestressing force new technology, can form two main parts to the components of a whole that can function independently structure, utilize longitudinal prestressing force new technology, can be to the piping lane spare of 1.5-3 meters long, connect the piping lane body that grows up more than 30-300 meters, utilize the node connecting box to connect the piping lane body into the piping lane engineering more than 300-3000 meters. Can meet the high standard requirements of unique structure, convenient assembly, high quality, low price and reliable operation, is particularly suitable for soft foundations and regions with shallow surface water, and has the advantages of settlement resistance and earthquake resistance.

The utility model discloses add the linkage segment after setting up, solved the especially big technological problem of prefabricated assembly butt joint, can connect into one or several piping lane assembly bodies to a plurality of prefabricated heterotypic piping lane spares, can also increase multinomial function for the assembly piping lane, can set up the sump pit for arrange the waste water in the cabin, can set up pressure relief device, be used for the safety coefficient of heating power pipeline.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the left half pipe gallery body and the right half pipe gallery body of the utility model;

figure 3 is the utility model discloses the connection of half left side piping lane body and half right side piping lane body and the nodal connection case that corresponds overlooks the sectional structure schematic diagram.

In the drawings: 1 special-shaped prefabricated pipe gallery piece, 2 left half pipe gallery body, 3 right half pipe gallery body, 4 outer layer frameworks, 5 inner layer frameworks, 6 transverse bobbins, 7 longitudinal bobbins, 8 prestressed tendons, 9 fixed anchors, 10 longitudinal tensioning boxes, 11 splicing seams, 12 sewage cabins, 13 power cabins, 14 natural gas cabins, 15 comprehensive cabins, 16 concrete cushion layers, 17 prestressed anchors, 18 tap water pipes, 19 regenerated water pipes, 20 ventilating pipes, 21 natural gas pipes, 22 heat power pipes, 23 cable supports, 24 cables, 25 sewage pipes, 26 regulation and control sewage pipes, 27 rear-added connecting sections, 28 safety openings, 29 ventilating openings, 30 sealing strips, 31 node connecting boxes, 32 expansion joints, 33 rubber water stop belts, 34 right feed openings, 35 ventilating rooms, 36 left feed openings and 37 monitoring centers.

Detailed Description

In the description of the present invention, it should be understood that the term is the length direction of the left half pipe gallery body and the right half pipe gallery body vertically, the width direction of the left half pipe gallery body and the right half pipe gallery body horizontally, and the Z direction is the height direction of the left half pipe gallery body and the right half pipe gallery body, and the Z direction is the length direction of the cross section perpendicular to the length direction.

As shown in the attached drawings 1-3, the utility model comprises a left half-side pipe gallery body 2 and a right half-side pipe gallery body 3 which are vertically arranged and are spliced by transverse center seams, and the top plate and the bottom plate of the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 are respectively tensioned and anchored on the splicing surfaces; the transversely corresponding left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 are aligned or staggered with the longitudinal end after being spliced; the left side wall of the left half-side pipe gallery body 2 and the right side wall of the right half-side pipe gallery body 3 are both arc-shaped, the top surfaces, the bottom surfaces and the butt-joint surfaces of the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 are both planes, the end parts of the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 respectively correspond to the joint connection boxes 31, when the longitudinal end parts of the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 after butt-joint are parallel and level, the middle joints of the two joint connection boxes 31 are correspondingly assembled, when the longitudinal end parts of the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 after butt-joint are arranged in a staggered mode, the middle joints of the two corresponding joint connection boxes 31 are assembled in a staggered mode, and the concrete cushion layers 16 are arranged at the bottoms of the left half-; half left side piping lane body 2 and half right side piping lane body 3's vertical both ends stretch-draw anchor back on the back respectively.

The utility model discloses left half pipe gallery body 2 and right half pipe gallery body 3 all include vertical three section or the heterotypic prefabricated pipe gallery spare 1 more than five that connects gradually, and a lateral wall of heterotypic prefabricated pipe gallery spare 1 is the arc, all sets up outer skeleton 4 and nexine skeleton 5 in heterotypic prefabricated pipe gallery spare 1 roof and bottom plate, sets up horizontal bobbin 6 and vertical bobbin 7 between outer skeleton 4 and nexine skeleton 5; the transverse bobbin 6 and the longitudinal bobbin 7 are both internally provided with prestressed tendons 8; arranging prestressed anchors 17 in concave holes on the lateral surfaces of transversely splicing the top plate and the bottom plate of the special-shaped prefabricated pipe gallery component 1 respectively; pre-burying a fixed anchorage device 9 in the transverse outer sides of a top plate and a bottom plate of the special-shaped prefabricated pipe gallery component 1; one end of a prestressed tendon 8 penetrating through the top plate of the special-shaped prefabricated pipe gallery component 1 and the transverse bobbin 6 in the bottom plate is connected with a fixed anchorage device 9, and the other end of the prestressed tendon is tensioned and anchored with a prestressed anchorage device 17; longitudinal tensioning boxes 10 are pre-buried at the inner corners of the special-shaped prefabricated pipe gallery pieces 1 at the two longitudinal ends; the longitudinal ends of the longitudinal tensioning box 10 are respectively provided with a prestressed anchorage device 17, and prestressed tendons 8 penetrating through the longitudinal bobbin 7 are tensioned and anchored in a back-to-back manner through the prestressed anchorage devices 17 at the corresponding ends of the longitudinal tensioning box 10 in the special-shaped prefabricated pipe gallery parts 1 arranged at the longitudinal ends; the longitudinal tensioning box 10 is a square box body which is made of iron and has an open top surface, and through holes for the prestressed tendons 8 to pass through are respectively arranged at two ends of the longitudinal tensioning box 10.

Half pipe gallery body 2 on the left side of this embodiment and half pipe gallery body 3 on the right side correspond respectively and include five sections heterotypic prefabricated pipe gallery spare 1, set up splice joint 11 between vertical two adjacent heterotypic prefabricated pipe gallery spare 1, be provided with sealing strip 30 in splice joint 11, every section heterotypic prefabricated pipe gallery spare 1 vertically is long for 2 meters, vertical tensioning box 10 is pre-buried at half pipe gallery body 2 on the left side and half pipe gallery body 3 vertical both ends of right side be the heterotypic prefabricated pipe gallery spare 1 interior bight of first section and fifth section promptly, passes vertical 7 interior prestressing tendons 8 of bobbin through the tensioning anchor of two corresponding prestressing anchor utensil 17 back of the body mutually.

When the pipe body of more than 30-300 meters of relative construction, the utility model discloses add the linkage segment 27 after all installing between two left half pipe gallery bodies 2 and between two right half pipe gallery bodies 3, set up the prestressing tendons 8 that are connected with adjacent heterotypic prefabricated pipe gallery spare 1 in adding the linkage segment 27 after, prestressing tendons 8 pass vertical bobbin 7, prestressing tendons 8 both ends respectively with adjacent heterotypic prefabricated pipe gallery spare 1 in longitudinal tension box 9 correspond the interior prestressing anchor 17 tension anchor of end; a splicing seam 11 is arranged between the corresponding end of the special-shaped prefabricated pipe gallery component 1 at the end parts of the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 and the corresponding rear-added connecting section 27, and a sealing strip 30 is arranged in the splicing seam 11; a safety opening 28 is arranged on the top of the special-shaped prefabricated pipe gallery component 1 or the rear-added connecting section 27.

When an ultra-long pipe body with the length of more than 300-3000 meters is constructed in a back-to-back mode, rear additional connecting sections 27 are arranged between the left half-side pipe gallery body 2 and the right half-side pipe gallery body 3 and the corresponding node connecting boxes 31; a reserved expansion joint 32 is arranged between the end part of the rear additional connecting section 27 and the corresponding node connecting box 31, a rubber water stop belt 33 is arranged in the reserved expansion joint 32, a fixed anchorage device 9 is pre-embedded in the end, corresponding to the node connecting box 31, in the rear additional connecting section 27, one end of a prestressed tendon 8 in the rear additional connecting section 27 is connected with the fixed anchorage device 9 pre-embedded in the prestressed tendon, and the other end of the prestressed tendon is tensioned and anchored with a prestressed anchorage device 17 at the end, corresponding to a longitudinal tensioning box 10, in the adjacent special-shaped prefabricated pipe gallery component 1; a vent 29 is arranged at the top of the special-shaped prefabricated pipe gallery component 1 or the rear additional connecting section 27; a monitoring center 37 is arranged at the left end of the two spliced node connecting boxes 31, and a ventilation room 35 is arranged at the right end of the two spliced node connecting boxes; the left inlet port 36 is provided at the top of the left nodal connection box 31, and the right inlet port 34 is provided at the top of the right nodal connection box 31.

The utility model is provided with a sewage tank 12 and an electric power tank 13 horizontally in the left half pipe gallery body 2 from left to right, and a comprehensive tank 15 and a natural gas tank 14 horizontally in the right half pipe gallery body 3; the outer side plates of the sewage tank 12 and the natural gas tank 14 are both arc-shaped; the Z-direction sections of the sewage tank 12 and the natural gas tank 14 are both semicircular, and the Z-direction sections of the electric power tank 13 and the comprehensive tank 15 are both square; a regulating sewage pipe 26 is arranged on one side of the upper part of the sewage tank 12 through a bracket, and a sewage pipe 25 is arranged at the bottom of the sewage tank through a support; a cable bracket 23 is installed on one side wall of the power cabin 13, and a cable 24 is arranged on the cable bracket 23; a tap water pipe 18 is arranged on one side of the top of the comprehensive cabin 15 through a bracket, a regeneration water pipe 19 is arranged on the other side of the top through a bracket, and a heat pipe 22 is arranged on the bottom through a support; a vent pipe 20 is arranged on one side of the top in the natural gas cabin 14 through a bracket, and a natural gas pipe 21 is arranged on the bottom through a support. Add the pipe gallery section that linkage segment 27 adds for the scene after, its structure is the same with prefabricated pipe gallery spare 1 structure of abnormal shape. After 1 prefabrication of heterotypic prefabricated pipe gallery spare is accomplished, the shrinkage pool of 1 roof of heterotypic prefabricated pipe gallery spare and bottom plate horizontal piecing together the side all seals with high-grade cement with vertical stretch-draw box 10, forms wholly.

The corresponding node connecting box 31 is communicated with the corresponding sewage tank 12, the electric power tank 13, the comprehensive tank 15 and the natural gas tank 14, the cable 24 is arranged in the monitoring center 37 through the inner cavity of the corresponding node connecting box 31, and the ventilation pipe 20 is arranged in the ventilation room 35 through the inner cavity of the corresponding node connecting box 31.

The utility model discloses set up fixed ground tackle 9, belong to structure innovation and function innovation, solved and hardly worn the "technological problem" of muscle to adding prestressing force. Half 2 left side walls of left side pipe gallery body and the right side wall of half right side pipe gallery body 3 are the arc, and such many cabins piping lane belongs to major structure innovation, has solved the especially big technical problem of prestressing force assembled piping lane, can improve prestressing force assembled piping lane to a new level.

The utility model discloses set up dedicated sewage pipe 25, can inhale the initial rainwater on road surface through sewage pipe 25 to arrange the processing factory in the short time, send the recycled water pipe 19 to the purified water after through purifying waste water, be used for environmental protection water and gardens water, not only can solve the pollution difficult problem of initial rainwater, can also reach the target of rainwater circulation, can also increase the income of piping lane, can also create the condition for carrying out the PPP mode. The method is suitable for pipe gallery engineering of northern metropolitan and northwest metropolitan, and is also particularly suitable for trunk pipe gallery engineering of major cities in the middle and lower reaches of Yangtze river and in areas with developed Zhujianguang economy.

The utility model discloses also can be used to piping lane examination city and sponge city, also can be used to walk out the piping lane engineering of national door, can beat and cause international demonstration engineering.

Finally, it should be understood that the above description is only exemplary of the present invention and is not intended to limit the present invention, and that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a prestressing force is to adding longitudinal connection assembled piping lane from top to bottom which characterized in that: the pipe gallery comprises a left half-side pipe gallery body (2) and a right half-side pipe gallery body (3) which are longitudinally arranged and are spliced by transverse middle seams, and top plates and bottom plates of the left half-side pipe gallery body (2) and the right half-side pipe gallery body (3) are respectively tensioned and anchored on splicing surfaces; the transversely corresponding left half-side pipe gallery body (2) and the right half-side pipe gallery body (3) are arranged in parallel or in a staggered mode after being spliced;

the left side wall of the left half-side pipe gallery body (2) and the right side wall of the right half-side pipe gallery body (3) are both arc-shaped, the end parts of the left half-side pipe gallery body (2) and the right half-side pipe gallery body (3) are respectively and correspondingly connected with the joint connection boxes (31), and the center seams of the two joint connection boxes (31) are correspondingly or alternatively assembled;

arranging concrete cushions (16) at the bottoms of the left half-side pipe gallery body (2), the right half-side pipe gallery body (3) and the corresponding node connecting boxes (31);

the longitudinal two ends of the left half pipe gallery body (2) and the right half pipe gallery body (3) are tensioned and anchored back to back respectively.

2. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 1, characterized in that: the left half pipe gallery body (2) and the right half pipe gallery body (3) respectively comprise three sections or more than five sections of special-shaped prefabricated pipe gallery parts (1) which are longitudinally and sequentially connected, an outer side plate of each special-shaped prefabricated pipe gallery part (1) is arc-shaped, an outer layer framework (4) and an inner layer framework (5) are arranged in a top plate and a bottom plate of each special-shaped prefabricated pipe gallery part (1), and a transverse bobbin (6) and a longitudinal bobbin (7) are arranged between the outer layer framework (4) and the inner layer framework (5); prestressed tendons (8) are arranged in the transverse bobbin (6) and the longitudinal bobbin (7);

pre-stressed anchors (17) are respectively arranged in concave holes on the transverse butt joint side surfaces of a top plate and a bottom plate of the special-shaped prefabricated pipe gallery component (1); pre-burying fixed anchors (9) in the transverse outer sides of a top plate and a bottom plate of the special-shaped prefabricated pipe gallery component (1);

one end of a prestressed tendon (8) penetrating through a top plate and a transverse bobbin (6) in a bottom plate of the special-shaped prefabricated pipe gallery component (1) is connected with a fixed anchorage device (9), and the other end of the prestressed tendon is tensioned and anchored with a prestressed anchorage device (17);

longitudinal tensioning boxes (10) are pre-buried at the inner corners of the special-shaped prefabricated pipe gallery pieces (1) at the two longitudinal ends; the longitudinal ends of the longitudinal tensioning box (10) are respectively provided with a prestressed anchorage device (17), and the prestressed tendons (8) penetrating through the longitudinal bobbin (7) are tensioned and anchored in a back-to-back manner through the prestressed anchorage devices (17) arranged at the corresponding ends of the longitudinal tensioning box (10) in the special-shaped prefabricated pipe gallery pieces (1) at the longitudinal ends.

3. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 2, characterized in that: rear-added connecting sections (27) are respectively arranged between the two left half-side pipe gallery bodies (2) and between the two right half-side pipe gallery bodies (3), prestressed tendons (8) connected with adjacent special-shaped prefabricated pipe gallery pieces (1) are arranged in the rear-added connecting sections (27), and two ends of each prestressed tendon (8) are respectively tensioned and anchored with prestressed anchors (17) in the corresponding ends of longitudinal tensioning boxes (10) in the adjacent special-shaped prefabricated pipe gallery pieces (1); a splicing seam (11) is arranged between the corresponding end of the special-shaped prefabricated pipe gallery piece (1) at the end parts of the left half-side pipe gallery body (2) and the right half-side pipe gallery body (3) and the corresponding rear-added connecting section (27), and a sealing strip (30) is arranged in the splicing seam (11); a safety opening (28) is arranged at the top of the special-shaped prefabricated pipe gallery piece (1).

4. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 2, characterized in that: rear additional connecting sections (27) are respectively arranged between the left half-side pipe gallery body (2) and the right half-side pipe gallery body (3) and the corresponding node connecting box (31); a reserved expansion joint (32) is arranged between the end part of the rear additional connecting section (27) and the corresponding node connecting box (31), a rubber water stop belt (33) is arranged in the reserved expansion joint (32), a fixed anchorage device (9) is pre-embedded in the end, corresponding to the node connecting box (31), of the rear additional connecting section (27), one end of a prestressed tendon (8) in the rear additional connecting section (27) is connected with the fixed anchorage device (9) pre-embedded in the prestressed tendon, and the other end of the prestressed tendon is tensioned and anchored with a prestressed anchorage device (17) at the corresponding end of a longitudinal tensioning box (10) in the adjacent special-shaped prefabricated pipe gallery component (1);

arranging a ventilation opening (29) at the top of the special-shaped prefabricated pipe gallery piece (1);

a monitoring center (37) is arranged at the transverse left side end of the two spliced node connecting boxes (31), and a ventilation room (35) is arranged at the transverse right side end; the top of the left node connecting box (31) is provided with a left feed inlet (36), and the top of the right node connecting box (31) is provided with a right feed inlet (34).

5. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 3 or 4, characterized in that: a sewage cabin (12) and an electric power cabin (13) are transversely arranged in the left half-side pipe gallery body (2) from left to right, and a comprehensive cabin (15) and a natural gas cabin (14) are transversely arranged in the right half-side pipe gallery body (3); the outer side plates of the sewage tank (12) and the natural gas tank (14) are both arc-shaped;

a regulating sewage pipe (26) is arranged on one side of the upper part of the sewage tank (12) through a bracket, and a sewage pipe (25) is arranged at the bottom through a support;

a cable bracket (23) is installed on one side wall of the power cabin (13), and a cable (24) is arranged on the cable bracket (23); a tap water pipe (18) is arranged on one side of the top of the comprehensive cabin (15) through a bracket, a regeneration water pipe (19) is arranged on the other side of the top through a bracket, and a thermal power pipe (22) is arranged at the bottom through a support;

a vent pipe (20) is arranged on one side of the top in the natural gas cabin (14) through a bracket, and a natural gas pipe (21) is arranged on the bottom through a support.

6. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 3, characterized in that: the longitudinal tensioning box (10) is a square box body with an iron top surface being opened, and through holes through which the prestressed tendons (8) penetrate are respectively arranged at two ends of the longitudinal tensioning box (10);

add linkage segment (27) after for the on-the-spot pipe gallery section of adding, its structure is the same with prefabricated pipe gallery spare of abnormal shape (1) structure.

7. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 5, characterized in that: the Z-direction cross sections of the sewage tank (12) and the natural gas tank (14) are both semicircular, and the Z-direction cross sections of the electric power tank (13) and the comprehensive tank (15) are both square.

8. The pre-stressed up-down butt-joint longitudinal connection assembly type pipe gallery according to claim 5, characterized in that: the corresponding node connecting box (31) is communicated with the corresponding sewage cabin (12), the corresponding power cabin (13), the corresponding comprehensive cabin (15) and the corresponding natural gas cabin (14), the cable (24) is arranged in the monitoring center (37) through the corresponding node connecting box (31), and the ventilation pipe (20) is arranged in the ventilation room (35) through the corresponding node connecting box (31).