CN216922146U

CN216922146U - Prefabricated part block connection scheme

Info

Publication number: CN216922146U
Application number: CN202220156090.3U
Authority: CN
Inventors: 朱海良; 应卓清; 万洋; 李飞; 李光雨
Original assignee: Shanghai Tunnel Engineering Intelligent Sea Salt Co ltd
Current assignee: Shanghai Tunnel Engineering Intelligent Sea Salt Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-08
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a prefabricated part block connecting scheme which comprises a prefabricated block body and is characterized in that the prefabricated block body consists of an upper block and a lower block, the upper block and the lower block are identical in structure and correspond to each other up and down, a steel lantern ring and a pipe joint annular water stop strip are arranged on a side wing of the lower block respectively, a plurality of T-shaped sliding grooves penetrate through the upper end of the lower block and are divided into two groups, a water stop groove penetrates through the upper end of the lower block, a rubber water stop strip is arranged in the water stop groove, the water stop groove surrounds the plurality of T-shaped sliding grooves on the outer side, and H-shaped plug-in pieces are connected in the plurality of T-shaped sliding grooves in a sliding mode. The utility model has the advantages of reasonable structural design, stable structure, reduced construction time, good fault tolerance and excellent waterproof performance.

Description

Prefabricated part block connection scheme

Technical Field

The utility model relates to the technical field of concrete prefabricated parts, in particular to a prefabricated part block connection scheme.

Background

Concrete prefabricated parts such as pipe jacking pipe joints and the like play an important role in development and utilization of urban underground spaces in the modern times, along with the continuous increase of the social requirements on municipal infrastructure such as traffic, drainage, electric power and the like, the requirements on scale of underground pipe jacking construction are larger and larger, and the designed section size of the prefabricated pipe jacking pipe joints is also larger and larger.

The pipe jacking construction site is usually located in the core area of a city, the traffic and environmental protection pressure is high, the large-size pipe jacking causes difficulty in lifting and transportation, the whole pipe joints are prefabricated in blocks, the construction site is assembled into a possible solution, in the prior art, the blocks are usually connected in a mode of secondary pouring of wet joints or bolt hand holes, the construction operation flow is complicated, the consumed time is long, and based on the problems, a prefabricated component block connection scheme is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prefabricated part block connecting scheme to solve the problems in the prior art brought forward by the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a prefabricated component piecemeal connection scheme, includes prefabricated piecemeal body, its characterized in that, prefabricated piecemeal body comprises last piecemeal and lower piecemeal jointly, go up the same and mutual upper and lower correspondence of structure of piecemeal under the piecemeal, the flank of piecemeal is provided with the steel lantern ring respectively and the annular sealing strip of tube coupling down, the upper end of piecemeal is run through and is provided with a plurality of T type spouts down, and is a plurality of T type spout falls into two sets ofly, the upper end of piecemeal is run through and is provided with the stagnant water groove down, be provided with the rubber sealing strip in the stagnant water groove, the stagnant water groove encircles around a plurality of T type spouts that are located the outside, and is a plurality of equal sliding connection has H type plug-in the T type spout.

Preferably, the plurality of T-shaped sliding grooves divided into two groups are arranged on both sides of the upper end of the lower block, and the plurality of T-shaped sliding grooves located on the outer side and the plurality of T-shaped sliding grooves located on the inner side are staggered with each other.

Preferably, the inner sides of the T-shaped sliding grooves and the outer sides of the corresponding H-shaped inserts are provided with matched wedge-shaped angles.

Preferably, the rubber water stop is a water-swelling water stop.

Preferably, the inner sides of the T-shaped sliding grooves are provided with anchor bars, and the anchor bars are welded with a reinforcement cage in the prefabricated block body.

Preferably, the water stopping tank is C-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

1. the matched connection of the slot and the plug-in can replace the traditional secondary pouring wet joint and bolt connection, not only greatly reduces the construction time and saves time and labor for operation, but also has enough and stable structure and can not be separated, and the wedge-shaped angle arranged at the connection part can ensure that the connection is fastened and simultaneously improves certain fault tolerance, the connection is convenient, and the assembling precision is improved;

2. simultaneously the rubber sealing rod that sets up in the stagnant water groove in this device can take place the inflation after meeting water, produces the effect in the seam crossing that corresponds, can improve the waterproof performance of seam crossing, guarantees not to reveal.

Drawings

FIG. 1 is a schematic structural diagram of a block connection scheme of prefabricated parts according to the present invention;

FIG. 2 is a schematic structural view of an H-shaped insert of a block connection scheme of prefabricated parts according to the present invention;

fig. 3 is a schematic diagram of a T-shaped slot structure of a block connection scheme for prefabricated parts according to the present invention.

In the figure: 1H type plug-in components, 2T type slot, 3 stagnant water grooves, 4 steel lantern rings, 5 tube coupling annular sealing strip, 6 rubber sealing strip, 7 lower piecemeals, 8 anchor bars.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a prefabricated component blocking connection scheme includes a prefabricated blocking body, the prefabricated blocking body is composed of an upper blocking body and a lower blocking body 7, the upper blocking body and the lower blocking body 7 are identical in structure and correspond to each other up and down, a steel lantern ring 4 and a pipe joint annular water stop strip 5 are arranged on a side wing of the lower blocking body 7 respectively, a plurality of T-shaped sliding grooves 2 penetrate through the upper end of the lower blocking body 7, the T-shaped sliding grooves 2 are divided into two groups, the T-shaped sliding grooves 2 divided into the two groups are arranged on two sides of the upper end of the lower blocking body 7 respectively, the T-shaped sliding grooves 2 located on the outer side and the T-shaped sliding grooves 2 located on the inner side are arranged in a staggered mode, and the arrangement mode can generate sufficient connection strength, stress concentration is avoided, seams are tightly attached, and seam waterproofness is enhanced.

Wherein, the upper end of the lower block 7 is provided with a water stopping groove 3 in a penetrating way, the water stopping groove 3 is internally provided with a rubber water stopping strip 6, the rubber water stopping strip 6 is a water swelling water stopping strip, the water stopping groove 3 surrounds a plurality of T-shaped chutes 2 positioned at the outer side, the water stopping groove 3 is C-shaped, the rubber water stopping strip 6 can swell when encountering water, an extrusion effect is generated at a joint to ensure that the joint at the corresponding position does not leak, meanwhile, the waterproof performance of the joint of the water stopping groove 3 at the joint and the pipe joint annular water stopping strip 5 needs to be verified to ensure the waterproof performance of the assembly scheme, H-shaped plug-in components 1 are all connected in the T-shaped chutes 2 in a sliding way, the inner sides of the T-shaped chutes 2 and the outer sides of the corresponding H-shaped plug-in components 1 are all provided with matched wedge-shaped angles, the connection tightness can be ensured, and certain construction fault tolerance can be considered, and the H-shaped plug-in-place installation is convenient, in addition, the wedge angle can induce the upper block to align with the corresponding T-shaped slot 2 on the lower block 7 in the mounting and locking process, so that the assembling precision is ensured.

It is worth mentioning that the inboard department of a plurality of T type spout 2 all is provided with anchor bar 8, and a plurality of anchor bars 8 weld with this internal steel reinforcement cage of prefabricated piecemeal mutually, and T type spout 2's steadiness can be guaranteed to anchor bar 8.

In the utility model, an operator can lift the upper blocks in the prefabricated block bodies, then vertically place the lower blocks 7 with the upper ends upward, adjust the positions of the upper blocks to enable the upper blocks to be in positioning butt joint with the lower blocks 7, enable the T-shaped chutes 2 on the upper blocks and the lower blocks 7 to be spliced together to form a plurality of H-shaped grooves together, and then insert the corresponding H-shaped inserts 1 into the spliced grooves and install and fasten the inserts.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a prefabricated component piecemeal connection scheme, includes prefabricated piecemeal body, its characterized in that, prefabricated piecemeal body comprises last piecemeal and lower piecemeal (7) jointly, go up the same and mutual upper and lower correspondence of structure of piecemeal (7) down, the flank of piecemeal (7) is provided with steel lantern ring (4) and tube coupling annular sealing rod (5) respectively down, the upper end of piecemeal (7) is run through and is provided with a plurality of T type spout (2) down, and is a plurality of T type spout (2) divide into two sets ofly, the upper end of piecemeal (7) is run through and is provided with stagnant water groove (3) down, be provided with rubber sealing rod (6) in stagnant water groove (3), it encircles around a plurality of T type spout (2) that are located the outside, and is a plurality of equal sliding connection has H type plug-in T type spout (2).

2. A prefabricated part block connection scheme according to claim 1, wherein a plurality of T-shaped sliding grooves (2) divided into two groups are arranged on both sides of the upper end of a lower block (7), and a plurality of T-shaped sliding grooves (2) on the outer side and a plurality of T-shaped sliding grooves (2) on the inner side are staggered with each other.

3. A prefabricated part block connection scheme according to claim 1, wherein the inner sides of a plurality of T-shaped sliding grooves (2) and the outer sides of a corresponding plurality of H-shaped inserts (1) are provided with matched wedge angles.

4. Prefabricated component blocking connection scheme according to claim 1, characterized in that the rubber sealing rod (6) is embodied as a water-swellable sealing rod.

5. A prefabricated part block connecting scheme according to claim 1, wherein a plurality of anchor bars (8) are arranged at the inner sides of the T-shaped chutes (2), and the plurality of anchor bars (8) are welded with reinforcement cages in the prefabricated block body.

6. A prefabricated section block connection according to claim 1, characterised in that the water-stopping groove (3) is C-shaped.