CN213897194U

CN213897194U - Filling type rubber joint pipe

Info

Publication number: CN213897194U
Application number: CN202022520504.XU
Authority: CN
Inventors: 付晨; 胡宝山
Original assignee: SHANGHAI ZHIPING FOUNDATION ENGINEERING CO LTD
Current assignee: SHANGHAI ZHIPING FOUNDATION ENGINEERING CO LTD
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-06
Anticipated expiration: 2030-11-04

Abstract

The utility model relates to an underground continuous wall field specifically is a can fill formula rubber joint pipe, and its characterized in that includes rubber elastomer, channel-section steel, powerful paste glue, rubber elastomer passes through powerful paste sticky subsides are in on the channel-section steel, be equipped with the lug on the channel-section steel, can be toward when the construction can fill formula rubber joint pipe and fill mud, make its outside protrusion be the semicircle arcuation. The utility model adopts the combination mode of the rubber elastomer and the channel steel as the joint pipe, and the perfect circular joint can be formed at the joint part of the adjacent channel sections by using the joint pipe, so that the anti-seepage capability is strong, and the manufacturing cost can be greatly reduced; meanwhile, the weight of the whole joint pipe is greatly reduced, the verticality can be well controlled in the downward placing process, and the plugging difficulty is also greatly reduced.

Description

Filling type rubber joint pipe

Technical Field

The utility model relates to an underground continuous wall field specifically is a formula rubber connector pipe can fill.

Background

The underground continuous wall is used as a component of an underground main body structure and has the advantages of permanent durability, no leakage of the whole structure and balanced stress. The quality of the seepage-proofing effect is directly closely related to the quality of the joint, the form of the joint is an important means for improving the seepage-proofing effect, the joint is used as a connecting structure between the groove sections of the underground continuous wall unit and is a core link of an underground continuous wall system, and the groove section joint pouring process is a core technology of an underground continuous wall construction process.

In order to pour out a groove section joint meeting the requirements, a joint pipe is required to be used in the prior art, and the conventional joint pipe is mostly a round steel pipe, so that the manufacturing aspect is relatively material-consuming, the cost is higher, and the weight is large; because the joint pipe needs to be pulled out within 2-6 hours after the concrete is poured, in order to solve the problem of high difficulty in pulling and inserting, the technical personnel in the field continuously research.

If in chinese patent with patent No. CN201020260411.1, an underground continuous wall seam waterproof structure is disclosed, the device is through welding iron sheet facings at the both ends of steel reinforcement cage to prevent the joint pipe and the direct contact of cast concrete, thereby make the time of pulling out of joint pipe unrestricted, but the iron sheet facings at the steel reinforcement cage both ends can block the pouring of concrete during the in-service use, lead to adjacent both ends grooving connection imperfect, easily produce the infiltration phenomenon, in addition, the device is through welding the waterproof board in the side welding of steel reinforcement cage thereby form the section waterproof layer with the guide wall, but the easy activity of waterproof board is difficult to fix, thereby form great distance between easy and the guide wall, thereby influence water-proof effects.

If again as in the chinese patent of patent No. 201921984889.6, disclose an underground continuous wall construction seam waterproof construction, including leading the wall, lead the inside of wall and seted up the cut out, the spill joint post is installed to the inside one end of cut out, and the inside other end of cut out is connected with the joint pipe, the inside position department that lies in between joint pipe and the spill joint post of cut out installs the steel reinforcement cage, the steel reinforcement cage is close to one side both ends of joint pipe and all is fixed with the waterproof board, the arc is installed to joint pipe outer wall one side, and relative slip in the spout through the arc can realize freely playing of joint pipe and pull out, through the mutual joint of the concave arc of arc and steel reinforcement cage, from not influencing the pouring of concrete, the adjacent steel reinforcement cage convex arc of being convenient for simultaneously is connected with the arc betterly. However, this method is more material-consuming in terms of cost, time-consuming and labor-consuming, and the construction steps are complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art and can make adjacent groove section perfect connection be difficult for the infiltration, and the cost of manufacture is low, the simple and easy joint pipe of work progress, its concrete scheme as follows:

the joint pipe is of a hollow square pipe structure, three sides of the square pipe structure are formed by thin-wall channel steel 2, and the other side of the square pipe structure is formed by a rubber elastic body 1; the rubber elastic body 1 is fixed on the channel steel 2, and lifting lugs 4 are symmetrically arranged at the top end of the channel steel 2.

Further, after the joint pipe formed by the rubber elastic body 1 and the channel steel 2 is filled with slurry 6, the rubber elastic body 1 protrudes outwards in a semicircular arc shape.

Further, the rubber elastic body 1 is fixed to both walls of the channel steel 2 by bonding with a strong adhesive 3.

Further, the thickness of the channel steel 2 is 8mm +/-minus or plus.

Further, the channel steel 2 at least comprises two lifting lugs 4.

The utility model has the advantages as follows:

1. the joint pipe is formed by combining the rubber elastic body 1 and the channel steel 2, a perfect circular joint can be formed at the joint part of the adjacent channel sections by using the joint pipe, and the anti-seepage capability is strong.

2. The rubber elastomer is used for replacing steel, so that the manufacturing cost is greatly reduced, the weight of the whole joint pipe is greatly reduced, and the verticality can be controlled more easily in the downward putting process.

3. The rubber elastic body is mainly contacted with the concrete, and after slurry in the joint pipe is pumped out, the rubber elastic body can be shrunken, so that the holding power of the concrete to the rubber elastic body is greatly reduced, the joint pipe does not need to be pulled out within 2-6 hours after concrete pouring is finished like the traditional joint pipe, the constraint of time to the traditional joint pipe in the pulling-out process is removed, and the problem that the joint pipe cannot be pulled out is solved.

Drawings

FIG. 1 is a schematic structural view of the fillable rubber joint pipe of the present invention when not filled with slurry;

FIG. 2 is a schematic structural view of the fillable rubber joint pipe after filling with slurry according to the present invention;

FIG. 3 is a top view of the fillable rubber coupling of the present invention when not filled with mud;

FIG. 4 is a top view of the fillable rubber connector of the present invention after filling with slurry;

FIG. 5 is a construction drawing of the joint of the present invention;

FIG. 6 is a construction drawing of butt joint of the trough sections of the present invention;

FIG. 7 is a schematic view of the completion of the construction of the first and second channel sections.

Description of reference numerals:

1. a rubber elastomer; 2. channel steel; 3. strong adhesive glue; 4. lifting lugs; 6. slurry; 7. a first groove section; 8. and a second groove section.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments.

Example 1:

the underground continuous wall technology is adopted for building a parking lot in a certain market due to complex geological conditions. The groove sections of the underground continuous wall are connected by the joint pipes, and the joint pipes can enable the adjacent two groove sections to be embedded and connected more perfectly and are not easy to cause water seepage. If the traditional joint pipe is adopted, the engineering quantity is large, the cost is high, the plugging condition is harsh, the traditional joint pipe is difficult to adopt in a construction site with complex construction conditions, and the joint is easy to have flaws.

Therefore, adopt the utility model discloses a can fill formula rubber joint pipe. As shown in fig. 1, the fillable rubber joint pipe in an unfilled state includes a rubber elastic body 1, a channel 2, and a strong adhesive 3. The thickness of the channel steel 2 is 8mm, and the rubber elastic body 1 is bonded and fixed on two walls of the channel steel 2 through the strong adhesive 3.

The rubber elastic body 1 is sheet-shaped and is fixed on two walls of the channel steel to form a cavity, so that the fillable rubber joint pipe is formed.

As shown in fig. 3, when slurry is not filled, a cavity is formed in the middle of the fillable rubber joint pipe formed by bonding the rubber elastic body 1 and the channel steel 2, and the rubber elastic body 1 is elastic, so that the cavity is not full and the edge is irregular in an unfilled state.

As shown in fig. 2 and 4, after the fillable rubber joint pipe is filled with the slurry 6, the rubber elastic body 1, which is originally deflated, becomes full, and the fillable rubber joint pipe protrudes outward in a semicircular arc shape as a whole when viewed from above.

As shown in fig. 1, two lifting lugs 4 are further arranged on two sides of the upper end of the channel steel 2, so that the crawler crane can be conveniently lifted.

When the rubber joint pipe works, firstly, the groove section I7 and the groove section II 8 of the joint position to be poured are subjected to foundation cleaning, and after the foundation cleaning is qualified, the fillable rubber joint pipe which is not filled with slurry is hung. Use crawler crane, through the balanced application of force of two lugs 4 on the channel-section steel 2, lift and fill formula rubber connector pipe lug 4 and fix a position, the utility model discloses a like one side orientation of elastomer 1 and treat the groove section 7 of pouring the concrete, 2 one sides of channel-section steel are towards groove section two 8.

When the central line of the joint pipe is matched with the design central line, the joint pipe is slowly lowered to the joint parts of the first groove section 7 and the first groove section 8.

The verticality of the filling type rubber joint pipe is strictly controlled in the lowering process, and the deviation between the central line of the joint pipe and the design central line is controlled and is not more than 100 mm.

The joint of the upper end of the fillable rubber joint pipe and the guide wall is fixed by a positioning channel steel, so that the movement of slurry 6 and concrete during pouring is prevented, the back side of the joint pipe is filled with sand, and the inclination is prevented.

After the fixation is finished, slurry 6 is injected into the cavity of the fillable rubber tube, as shown in fig. 2, the cavity is filled with the slurry, and one surface of the rubber elastic body of the fillable rubber joint tube protrudes outwards to form a semicircular arc shape.

And after the slurry 6 is filled, pouring concrete into the first groove section 7 to be constructed.

As shown in fig. 5, after the pouring is completed, slurry in the fillable rubber joint pipe is pumped out, and the fillable rubber joint pipe is hoisted by the crawler crane through the lifting lug 4 on the channel steel 2, at this time, because the slurry is pumped out, the fillable rubber joint pipe is in an empty and shriveled state, the holding power of the fillable rubber joint pipe in the empty and shriveled state after the concrete is solidified is insufficient, the joint pipe is very easy to hoist, and the defect that the traditional steel joint pipe is difficult to plug and pull is overcome.

As shown in fig. 5 and 6, the joint portion of the first groove segment 7 is in a concave semicircular arc shape after concrete is poured by using the fillable rubber joint pipe, and the joint is smooth.

After the filling rubber joint pipe is pulled out, a wall brushing device is used for brushing mud on the joint of the groove section I7 after the joint part of the groove section I7 is formed, and the wall brushing can be stopped when no mud exists on the iron brush, so that the joint surface can be tightly jointed by new concrete and old concrete.

And pouring concrete on the joint part of the second groove section 8 to form an outer convex semi-arc surface matched with the joint part of the first groove section 7. And after the construction of the second groove section 8 is finished, as shown in fig. 7, the second groove section 8 is tightly jointed. And a perfect circular arc-shaped joint formed between the first groove section 7 and the second groove section 8 is used as a turbulent flow path when the two groove sections are connected, so that the anti-permeability capability of the underground continuous wall is improved.

The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention.

Claims

1. A can fill formula rubber joint pipe which characterized in that: the joint pipe is of a hollow square pipe structure, three sides of the square pipe structure are formed by thin-wall channel steel (2), and the other side of the square pipe structure is formed by a rubber elastic body (1); the rubber elastic body (1) is fixed on the channel steel (2), and lifting lugs (4) are symmetrically arranged at the top end of the channel steel (2).

2. The fillable rubber connector tube of claim 1, wherein: after the joint pipe formed by the rubber elastic body (1) and the channel steel (2) is filled with slurry (6), the rubber elastic body (1) protrudes outwards to form a semicircular arc shape.

3. A fillable rubber connector tube as claimed in claim 1 or 2, wherein: the rubber elastic body (1) is bonded and fixed on two walls of the channel steel (2) through strong adhesive glue (3).

4. The fillable rubber connector tube of claim 1, wherein: the thickness of the channel steel (2) is 8 mm.

5. The fillable rubber connector tube of claim 1, wherein: the channel steel (2) at least comprises two lifting lugs (4).