CN211646468U - Municipal administration utility tunnel drain line cross node structure - Google Patents

Abstract

The utility model discloses a cross node structure of a municipal comprehensive pipe gallery drainage pipeline, which comprises a cross well, a plurality of through holes are arranged on the surface of the cross well, a drainage pipe is connected in the through holes, a positioning hole is arranged on the top surface of the cross well, and the positioning hole penetrates The through hole extends to its lower side, the positioning hole is connected with a matching positioning rod, the drain pipe is provided with a fixing hole matching the positioning rod at the position near the mouth, the cross well is fixedly connected with a positioning block, and the positioning block is provided with a stepped hole , The size of the step hole matches the positioning baffle, the bottom surface of the step hole is provided with a pad slot, the bottom of the pad slot is connected with a support slot, a spring is installed in the support slot, the spring is connected with a pad, and the pad is connected to the drain pipe. Fitting, the upper and lower ends of the outer side of the positioning block are connected with fastening collars, the upper fastening collar is a welded upper fastening collar, the upper fastening collar is a fastening hoop formed by welding 12 upper flange plates, and the lower The fastening collar is a welded lower fastening collar, and the lower fastening collar is a fastening hoop formed by welding 12 lower flange plates.

Description

A cross-node structure of drainage pipelines in municipal comprehensive pipe gallery

technical field

The utility model belongs to the technical field of node structures, in particular to a cross-node structure of a municipal comprehensive pipe gallery drainage pipeline.

Background technique

Comprehensive pipeline corridor (called "common ditch" in Japan and "common pipeline" in Taiwan) is an underground urban pipeline comprehensive corridor, that is, a tunnel space is built underground in the city to connect electricity, communication, gas, heating, water supply and drainage, etc. It is an important infrastructure and "lifeline" to ensure the operation of the city. When the existing drainage pipe and the cross well are cross-connected, the operation process is cumbersome, it takes more time and energy of the workers, and the installation efficiency is low. After installation, since each connected node has no fixed structure, the connection is unstable.

Utility model content

Aiming at the problems raised by the above-mentioned background technology, the purpose of the present utility model is to provide a cross-node structure of drainage pipelines of municipal comprehensive pipe gallery. In order to realize the above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:

A municipal comprehensive pipe gallery drainage pipeline intersection node structure, comprising a cross well, a plurality of through holes are arranged on the surface of the intersection well, a drainage pipe is connected in the through holes, a positioning hole is arranged on the top surface of the intersection well, and the The positioning hole extends through the through hole to its lower side, the positioning hole is connected with a matching positioning rod, the drainage pipe is connected with a positioning baffle, and the drainage pipe is provided with a matching positioning rod at a position close to the mouth. a fixing hole, a positioning block is fixedly connected to the cross well, the end of the positioning block connected to the cross well is provided with a drainage pipe hole, the positioning block is provided with a step hole, and the size of the step hole matches the positioning baffle , the bottom surface of the step hole is provided with a spacer groove, the bottom of the spacer groove is connected with a support groove, a spring is installed in the support groove, the spring is connected with a spacer block, and the spacer block is attached to the drain pipe In combination, the upper and lower ends of the outer side of the positioning block are connected with fastening collars, the upper fastening collars are welded upper fastening collars, and the upper fastening collars are formed by welding 12 upper flange plates. A fastening hoop, the lower fastening sleeve is a welded lower fastening sleeve, and the lower fastening sleeve is a fastening hoop formed by welding 12 lower flange plates.

Further limited, the through hole is provided with a sealing groove, and a sealing ring is installed in the sealing groove. This structural design makes the sealing effect better and prevents sewage from flowing out.

Further limited, a pull plate is fixedly connected to the top surface of the positioning rod, and the pull plate is installed on the surface of the cross well. Such a structural design is convenient for pulling the positioning rod.

It is further limited that the size and shape of the fastening collars at the upper and lower ends of the positioning block are the same. Such a structural design facilitates the fastening of the positioning block.

Further defined, the maximum load of the drain pipe is less than the maximum compressive load of the spring. This structural design prevents the drain pipe from breaking the spring.

The utility model has the following advantages:

1. The utility model is provided with a fastening collar, and the positioning block is fastened and fixed by the fastening collar, so that the node where the drain pipe and the cross well are cross-connected is more stable;

2. In the present invention, by setting the positioning rod, when the drain pipe is cross-connected with the cross well, the drain pipe and the cross well are connected together by inserting the positioning rod, which makes the installation easy.

Description of drawings

The present invention may be further illustrated by the non-limiting examples given in the accompanying drawings;

Fig. 1 is the structural schematic diagram of the cross-node structure of a municipal comprehensive pipe gallery drainage pipeline according to an embodiment of the present utility model;

2 is a schematic cross-sectional structural diagram of a cross-node structure of a municipal comprehensive pipe gallery drainage pipeline according to an embodiment of the present utility model;

3 is a schematic diagram of a drainage pipe structure of a cross-node structure of a municipal comprehensive pipe gallery drainage pipeline according to an embodiment of the present utility model;

The main component symbols are explained as follows:

Cross well 1, drain pipe 2, positioning hole 3, positioning rod 4, positioning baffle 5, fixing hole 6, positioning block 7, drain pipe hole 8, step hole 9, support groove 10, spring 11, spacer block 12, tightening The fixing collar 13 , the upper fastening collar 131 , the upper flange plate 132 , the lower fastening collar 133 , the lower flange plate 134 , the sealing ring 14 , and the pulling plate 15 .

Detailed ways

In order to enable those skilled in the art to better understand the present invention, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments.

As shown in Figures 1-3, a municipal comprehensive pipe gallery drainage pipeline intersection node structure of the present utility model, the surface of the intersection well 1 is provided with a number of through holes, the through holes are connected with drainage pipes 2, and the top surface of the intersection well 1 is provided with Positioning hole 3, the positioning hole 3 extends through the through hole to its lower side, the positioning hole 3 is connected with a matching positioning rod 4, the drainage pipe 2 is connected with a positioning baffle 5, and the drainage pipe 2 is provided with a position close to the mouth. The fixed hole 6 matched with the positioning rod 4, the cross well 1 is fixedly connected with a positioning block 7, the end of the positioning block 7 connected with the cross well 1 is provided with a drain pipe hole 8, the positioning block 7 is provided with a step hole 9, the size of the step hole 9 is Matching with the positioning baffle 5, the bottom surface of the step hole 9 is provided with a spacer groove, the bottom of the spacer groove is connected with a support groove 10, a spring 11 is installed in the support groove 10, the spring 11 is connected with a spacer block 12, and the spacer block 12 and The drain pipe 2 is attached to each other, and the upper and lower ends of the outer side of the positioning block 7 are connected with a fastening collar 13. The upper fastening collar 13 is a welded upper fastening collar 131, and the upper fastening collar 131 consists of 12 upper flanges. The plate 132 is a fastening hoop formed by welding, the lower fastening collar 13 is a welded lower fastening collar 133 , and the lower fastening collar 13 is a fastening hoop formed by welding 12 lower flange plates 134 .

When installing, insert the end of the drain pipe 2 with the positioning baffle 5 into the stepped hole 9 in the positioning block 7. When the positioning baffle 5 is against the stepped surface of the stepped hole 9, the fixing hole on the drain pipe 2 6 Fits with the positioning hole 3 of the cross well 1, inserts the positioning rod 4 to connect and fix the drain pipe 2 to the cross well 1, when the positioning baffle 5 slides in the step hole 9, the spring 11 drives the cushion block 12 to move. In the compressed state, when the positioning baffle 5 is in contact with the stepped surface of the stepped hole 9, the spring 11 drives the cushion block 12 to bounce up and supports the drain pipe 2. After the drain pipe 2 is connected to the cross well 1 and installed, it is welded The fastening collar 13 formed by the flange plate connects and fixes the positioning block 7, so that the cross node connecting the drain pipe 2 and the cross well 1 is more stable.

Preferably, a sealing groove is provided in the through hole, and a sealing ring 14 is installed in the sealing groove. This structural design makes the sealing effect better and prevents sewage from flowing out. In fact, other structural shapes of the sealing ring 14 can also be considered according to specific conditions.

Preferably, a pull plate 15 is fixedly connected to the top surface of the positioning rod 4 , and the pull plate 15 is installed on the surface of the cross well 1 . Such a structural design is convenient for pulling the positioning rod 4 . In fact, other structural shapes of the pull plate 15 may also be considered according to specific conditions.

Preferably, the size and shape of the fastening collars 13 at the upper and lower ends of the positioning block 7 are the same. Such a structural design facilitates the fastening of the positioning block 7 . In fact, other structural shapes of the fastening collar 13 may also be considered according to specific conditions.

Preferably, the maximum load of the drain pipe 2 is smaller than the maximum compressive load of the spring 11 . Such a structural design prevents the spring 11 from being crushed by the drain pipe 2 . In fact, other support structure shapes may also be considered on a case-by-case basis.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims (5)

1. The utility model provides a municipal administration utility tunnel water drainage pipeline intersection node structure, includes cross well (1), its characterized in that: the surface of the cross well (1) is provided with a plurality of through holes, a drain pipe (2) is connected in the through holes, the top surface of the cross well (1) is provided with a positioning hole (3), the positioning hole (3) penetrates through the through holes and extends to the lower side of the through holes, a matched positioning rod (4) is connected in the positioning hole (3), the drain pipe (2) is connected with a positioning baffle (5), the drain pipe (2) is provided with a fixing hole (6) matched with the positioning rod (4) at the position close to the opening part, the cross well (1) is fixedly connected with a positioning block (7), one end of the positioning block (7) connected with the cross well (1) is provided with a drain pipe hole (8), the positioning block (7) is provided with a step hole (9), the size of the step hole (9) is matched with the positioning baffle (5), the bottom surface of the step hole (9) is, install spring (11) in support groove (10), spring (11) are connected with cushion (12), cushion (12) and drain pipe (2) are laminated mutually, both ends are connected with fastening ring (13) about locating piece (7) outside, go up fastening ring (13) and be fastening ring (131) on the welded formula, go up fastening ring (131) and by the fastening hoop of 12 last flange boards (132) welding formations, fastening ring (13) are fastening ring (133) under the welded formula down, fastening ring (13) is by the fastening hoop of 12 lower flange boards (134) welding formations down.

2. The municipal utility tunnel drain line cross-node structure of claim 1, wherein: a sealing groove is arranged in the through hole, and a sealing ring (14) is arranged in the sealing groove.

3. The municipal utility tunnel drain line cross-node structure of claim 2, wherein: the top surface of the positioning rod (4) is fixedly connected with a pulling plate (15), and the pulling plate (15) is installed on the surface of the cross well (1).

4. The municipal utility tunnel drain line cross-node structure of claim 3, wherein: the fastening lantern rings (13) at the upper end and the lower end have the same size and shape.

5. The municipal utility tunnel drain line cross-node structure of claim 4, wherein: the maximum load capacity of the drain pipe (2) is smaller than the maximum compression load capacity of the spring (11).

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