CN215520905U

CN215520905U - Water stop pull rod structure in subway construction

Info

Publication number: CN215520905U
Application number: CN202121535291.6U
Authority: CN
Inventors: 贾小琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-14
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a water-stopping pull rod structure in subway construction, which comprises building templates on two sides, wherein a water-stopping pull rod is arranged between the building templates on the two sides, a water-stopping sheet is arranged in the middle of the water-stopping pull rod, end heads are arranged on two sides of the water-stopping pull rod, a circular groove is processed on the outer side surface of each end head, a connecting column is arranged in the groove, a cross-shaped positioning groove is formed in the outer side surface of the connecting column, external threads are arranged on the column body of the connecting column, a detachable stud is arranged on the outer side of the connecting column, external threads are processed on the column body on the inner side of the detachable stud, and a cross-shaped positioning bulge is processed on the inner side surface of the detachable stud. According to the structure, on one hand, two head parts can be detached and recycled, on the other hand, the fixing effect on the template is good, the rotation of the rod piece can be avoided, the safety and the stability are realized, and the pouring effect is guaranteed.

Description

Water stop pull rod structure in subway construction

Technical Field

The utility model relates to the technical field of subway construction equipment, in particular to a water stop pull rod structure in subway construction.

Background

When the stagnant water screw rod is usually used for pouring of underground subway side wall (diaphragm wall), play the fixed die plate, the effect of control concrete placement thickness, it has the stagnant water piece to lie in the middle of the stagnant water screw rod with ordinary wall screw rod difference, when form removal, ordinary wall screw rod is whole takes out, used repeatedly, stagnant water screw rod is then saw off the outer two backs of wall, the interlude is left inside the wall body, in order to guarantee the imperviousness of wall body, traditional stagnant water screw rod is a segmentation structure, be whole full tooth screw rod usually, the centre has welded the stagnant water piece or has the inflation sealing washer, be used for preventing water to pass underground wall body. This structure has following problem, and firstly the stagnant water screw rod both ends after the saw falls are directly scrapped, can not used repeatedly, and extravagant material is more, and economic benefits is not good enough, and secondly current stagnant water screw rod is not good enough to the fixed effect of template, when pouring, vibrations or displacement take place easily for the template, and the rotation takes place easily for the member of inside simultaneously, influences and pours the effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water-stopping pull rod structure in subway construction, which has the advantages that on one hand, two end parts can be detached and recycled, on the other hand, the fixing effect on a template is better, the rotation of a rod piece can be avoided, the safety and the stability are realized, and the pouring effect is ensured.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a stagnant water pull rod structure in subway construction, building templates including both sides, the building templates of both sides between be equipped with the stagnant water pull rod, stagnant water pull rod intermediate position department be equipped with the waterstop piece, stagnant water pull rod both sides all be equipped with the end, end lateral surface processing have circular recess and the inside spliced pole that is equipped with of recess, the spliced pole lateral surface be equipped with the external screw thread on cross constant head tank and the spliced pole shaft, the spliced pole outside be equipped with can dismantle the double-screw bolt, can dismantle double-screw bolt interior side shaft on process and have external screw thread and medial surface still to process cross location arch, the cross constant head tank of spliced pole and can dismantle the protruding counterpoint concatenation of cross location of double-screw bolt link together through the external screw position department that has the internal screw thread sleeve screw in spliced pole and can dismantle the double-screw bolt lateral surface after, can dismantle double-screw bolt lateral surface intermediate position department be equipped with and encircle can dismantle the three ann's of double-screw bolt central line and be regular triangle distribution The mounting seats are arranged, wherein the upper end of each mounting seat is rotatably connected with an ejector rod, the upper end of each ejector rod is connected with an anti-slip sheet through a rotating shaft, and the anti-slip sheets are tightly pressed outside the building templates on two sides.

Furthermore, the joint positions of the two ends of the sleeve and the outer side surfaces of the connecting column and the detachable stud are respectively sleeved with a sealing ring.

Furthermore, the sleeve penetrates through the building template and is connected with a detachable stud outwards.

Furthermore, the lower end of the ejector rod is rotatably connected with the mounting seat through a bolt, and the rotating angle of the ejector rod is fixed by screwing nuts on two sides of the bolt.

Further, the inner side of the sleeve is screwed into the circular groove.

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

according to the utility model, the detachable studs are arranged to match with related components, so that the external components of the building template can be recycled; through setting up ejector pin, antiskid sheets isotructure, cooperation cross constant head tank and cross location protruding structure, it is better to the fixed effect of template, can avoid the rotation of member, the effect is pour in the security and stability assurance.

Drawings

FIG. 1 is a schematic view of a structure of the water stop pull rod of the present invention;

FIG. 2 is a schematic view of a detachable stud according to the present invention;

in the figure: 1. building a template; 2. a water-stopping pull rod; 3. a water stop sheet; 4. a tip; 5. a cross positioning slot; 6. an external thread; 7. connecting columns; 8. a sleeve; 9. a seal ring; 10. an internal thread; 11. a cross positioning protrusion; 12. a stud is detachable; 13. a top rod; 14. anti-slip sheets; 15. a mounting seat; 16. and (4) bolts.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific figures.

As shown in fig. 1 to 2, a water-stopping pull rod structure in subway construction comprises building templates 1 at two sides, a water-stopping pull rod 2 is arranged between the building templates 1 at two sides, a water-stopping sheet 3 is arranged at the middle position of the water-stopping pull rod 2, two sides of the water-stopping pull rod 2 are both provided with end heads 4, the outer side surface of each end head 4 is processed with a circular groove, a connecting column 7 is arranged in the groove, the outer side surface of each connecting column 7 is provided with a cross positioning groove 5, the column body of each connecting column 7 is provided with an external thread, the outer side of each connecting column 7 is provided with a detachable stud 12, the inner side of each detachable stud 12 is processed with an external thread 6, the inner side of each connecting column 12 is also processed with a cross positioning bulge 11, the cross positioning grooves 5 of the connecting columns 7 and the cross positioning bulges 11 of the detachable studs 12 are oppositely spliced and then screwed into the positions of the external threads 6 on the outer side surfaces of the connecting columns 7 and the detachable studs 12 through sleeves 8 with internal threads 10, can dismantle 12 lateral surface intermediate positions of double-screw bolt departments are equipped with and encircle can dismantle the double-screw bolt 12 central line and be three mount pad 15 of regular triangle distribution, wherein every 15 upper ends of mount pad all rotate and are connected with ejector pin 13, ejector pin 13 upper end is connected with antiskid ribbed tile 14 through the pivot, antiskid ribbed tile 14 compresses tightly the building templates 1 outside at both sides, 8 both ends of sleeve and spliced pole 7 and the handing-over position department of can dismantling the 12 lateral surface all overlap and are equipped with sealing washer 9, sleeve 8 passes building templates 1 and outwards is connected with can dismantle double-screw bolt 12, ejector pin 13 lower extreme passes through 16 and is connected with the mount pad 15 rotation and fix the turned angle of ejector pin 13 through the nut of screwing up 16 both sides of bolt, the inboard screw in of sleeve 8 is inside the circular recess.

During actual assembly, firstly fixing the water-stopping pull rod 2 between the building templates 1 on two sides, fixing the end heads 4 inside the through holes of the building templates 1 on two sides, exposing the circular groove outwards, then embedding the cross positioning bulges 11 of the detachable studs 12 into the cross positioning grooves 5 of the connecting column 7 in an aligned mode, then filling the sealing rings 9 on the inner sides into the circular groove, screwing the sleeve 8 with the internal thread 10 into the area of the external thread 6, fixing the detachable studs 12 and the connecting column 7 together, sleeving the sealing rings 9 on the outer sides, finally adjusting the inclination angles of the three ejector rods 13 and fixing the angle positions by screwing the nuts on two sides of the bolt 16 to ensure that the anti-skid sheets 14 are tightly pressed outside the building templates 1 on two sides, then pouring concrete between the two building templates 1, after the concrete is solidified, keeping the water-stopping pull rod 2 in the concrete, disassembling the detachable studs 12, the sleeve 8 and other components on two sides, repeated use is carried out, and in-process, through the spacing and the pressure pretension of frictional force of antiskid sheets 14, the rotation of member is avoided on the one hand, on the other hand improves the stability of building templates 1.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stagnant water pull rod structure in subway construction, includes the building templates of both sides, the building templates of both sides between be equipped with the stagnant water pull rod, stagnant water pull rod intermediate position department be equipped with stagnant water piece, its characterized in that: the water-stopping pull rod is characterized in that two sides of the water-stopping pull rod are respectively provided with an end, a circular groove is processed on the outer side surface of each end, a connecting column is arranged in the groove, a cross positioning groove is arranged on the outer side surface of each connecting column, an external thread is arranged on the column body outside the connecting column, a cross positioning bulge is processed on the inner side surface of the detachable stud, a cross positioning groove is formed in the cross positioning groove of each connecting column, the cross positioning bulge of each connecting column is in contraposition splicing with the cross positioning bulge of the detachable stud and then is screwed into the connecting column through a sleeve with an internal thread and is connected with the external thread position of the outer side surface of the detachable stud, three mounting seats which surround the central line of the detachable stud and are distributed in a regular triangle are arranged in the middle position of the outer side surface of the detachable stud, the upper end of each mounting seat is rotatably connected with a push rod, and the upper end of the push rod is connected with an anti-skid sheet through a rotating shaft, the anti-skid sheets are tightly pressed outside the building templates on two sides.

2. The water stop pull rod structure in subway construction according to claim 1, wherein: and sealing rings are sleeved at the joint positions of the two ends of the sleeve and the outer side surfaces of the connecting column and the detachable stud.

3. The water stop pull rod structure in subway construction according to claim 1, wherein: the sleeve penetrates through the building template and is connected with a detachable stud outwards.

4. The water stop pull rod structure in subway construction according to claim 1, wherein: the lower end of the ejector rod is rotatably connected with the mounting seat through a bolt, and the rotating angle of the ejector rod is fixed by screwing nuts on two sides of the bolt.

5. The water stop pull rod structure in subway construction according to claim 1, wherein: the inner side of the sleeve is screwed into the circular groove.