CN216240699U - A auxiliary positioning device that is used for vertical drain pipe in tunnel and waterproofing membrane to be under construction - Google Patents
A auxiliary positioning device that is used for vertical drain pipe in tunnel and waterproofing membrane to be under construction Download PDFInfo
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- CN216240699U CN216240699U CN202122969066.XU CN202122969066U CN216240699U CN 216240699 U CN216240699 U CN 216240699U CN 202122969066 U CN202122969066 U CN 202122969066U CN 216240699 U CN216240699 U CN 216240699U
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Abstract
The utility model discloses an auxiliary positioning device for tunnel longitudinal drain pipe and waterproof coiled material construction, which comprises a positioning ring component arranged on the longitudinal drain pipe and used for fixing the longitudinal drain pipe, wherein a sliding type pressing block component used for fixing a waterproof coiled material is arranged on the positioning ring component. The vertical drain pipe fixing device is simple in structure, low in cost, high in operation convenience, high in mounting precision and good in stability, the vertical drain pipe is fixed through the positioning ring assemblies, the vertical drain pipe fixing device is not prone to deformation in the construction process, smoothness of a pipeline can be effectively guaranteed, and smooth later-stage drainage is guaranteed; carry out waterproofing membrane through holding ring subassembly slidingtype briquetting subassembly in coordination and compress tightly the location, can make waterproofing membrane lay smoothly, and with the close subsides of preliminary bracing surface, waterproof performance is good, can avoid tunnel lining side wall infiltration, effectively improves tunnel life, has good economical and practical.
Description
Technical Field
The utility model relates to an auxiliary positioning device for tunnel longitudinal drain pipe and waterproof coiled material construction, and belongs to the technical field of tunnel construction.
Background
Underground water behind the tunnel lining is collected in the longitudinal drainage pipe arranged at the arch foot position of the tunnel through a gap between the annular drainage pipe, the omega-shaped semicircular drainage pipe or the waterproof coiled material and the primary support, and then accumulated water is drained to the tunnel drainage ditch through the transverse drainage pipe. As an important component in a tunnel drainage system, once the construction quality of a longitudinal drainage pipe and a waterproof roll material outside the longitudinal drainage pipe cannot be guaranteed, the collection and discharge effects of accumulated water behind a lining must be influenced, and the breakdown of the whole tunnel drainage system can be caused.
In the actual tunnel work progress, because of lacking reliable pipeline positioner, the on-the-spot installation accuracy of longitudinal drain pipe is lower, and it produces the deformation off normal easily in follow-up concrete placement process, and the ride comfort of pipeline is difficult to ensure, and then seriously influences the emission of intraductal ponding. In addition, the surface of the waterproof coiled material is relatively smooth, the waterproof coiled material is difficult to be closely attached to the primary support at the inner side of the longitudinal drainage pipe, and accumulated water behind the tunnel lining often permeates to the bottom of the tunnel along a gap between the waterproof coiled material and the primary support, so that a series of disease problems such as water seepage of a lining side wall, inverted arch uplift or uneven settlement and the like can be caused. It can be seen that the positioning construction of the longitudinal drain pipe and the lower end of the waterproof roll is a very important key point, and the construction quality of the longitudinal drain pipe and the lower end of the waterproof roll is difficult to ensure by the existing construction means, so that the failure of the tunnel waterproof and drainage system can be caused. In view of the above, it is an urgent problem to be solved in the engineering field to research an auxiliary positioning device for the construction of the longitudinal drain pipe and the waterproof coiled material of the tunnel.
Disclosure of Invention
In view of this, the present invention provides an auxiliary positioning device for tunnel longitudinal drainage pipe and waterproofing membrane construction, which can overcome the disadvantages of the prior art.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides an auxiliary positioning device for construction of tunnel longitudinal drain pipe and waterproofing membrane, is used for the fixed locating ring subassembly of longitudinal drain pipe including setting up on longitudinal drain pipe, is equipped with the slidingtype briquetting subassembly that is used for fixed waterproofing membrane on the locating ring subassembly.
The positioning ring assemblies are arranged on the longitudinal water discharge pipes in a plurality.
The positioning ring assembly comprises a positioning ring with the caliber matched with that of the longitudinal drain pipe, a positioning anchoring block is arranged on the positioning ring, an anchoring hole is formed in the positioning anchoring block, and the positioning ring is sleeved on the longitudinal drain pipe so that the longitudinal drain pipe is anchored with the primary support through a positioning bolt penetrating into the anchoring hole; the positioning anchoring block is provided with a sliding chute, and the sliding type pressing block component is arranged in the sliding chute and is clamped with the sliding chute in a sliding way.
The sliding type pressing block assembly comprises an L-shaped sliding block and a pressing plate fixedly connected with the L-shaped sliding block, elastic telescopic rods are symmetrically arranged on two sides of the L-shaped sliding block, a slide way matched with the elastic telescopic rods is arranged on two opposite inner side walls of a slide groove of the positioning anchoring block, and a limiting clamping groove is formed in one end, close to a primary support, of the slide way, so that the L-shaped sliding block is in sliding connection with the slide way through the elastic telescopic rods and is limited in sliding through the limiting clamping groove.
The elastic telescopic rod and the slideway matched with the elastic telescopic rod are of square structures; or the elastic telescopic rods are arranged in at least two groups, and the corresponding slide ways are arranged in at least two ways, so that the L-shaped slide block slides in the slide ways and the rotation limiting is realized.
Compared with the prior art, the auxiliary positioning device for the construction of the longitudinal tunnel drain pipe and the waterproof coiled material comprises a positioning ring assembly arranged on the longitudinal drain pipe and used for fixing the longitudinal drain pipe, and a sliding type pressing block assembly used for fixing the waterproof coiled material is arranged on the positioning ring assembly. When the positioning ring assembly is used, the positioning ring assembly is arranged on the longitudinal drainage pipe in a penetrating mode, and the longitudinal drainage pipe is positioned and anchored according to requirements; and then laying the waterproof coiled material, and pressing the lower edge of the waterproof coiled material on the surface of the primary support through the sliding type pressing block assembly in the laying process so as to ensure the waterproof and drainage effects.
The utility model has the beneficial effects that:
the fixing device is simple in structure, low in cost and high in operation convenience, the longitudinal drain pipe is fixed through the positioning ring assemblies, the mounting precision is high, the stability is good, the fixing device is not easy to deform in the construction process, the smoothness of the pipeline can be effectively guaranteed, and the smooth drainage in the later stage is guaranteed; carry out waterproofing membrane through holding ring subassembly slidingtype briquetting subassembly in coordination and compress tightly the location, make waterproofing membrane lay smoothly, and with the close subsides of preliminary bracing surface, waterproof performance is good, can avoid tunnel lining side wall infiltration, effectively improves tunnel life, has good economical and practical.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a positioning ring assembly.
Fig. 3 is a structural diagram of the positioning anchoring block.
Fig. 4 is a schematic structural diagram of the sliding press block assembly.
Fig. 5 is a schematic view of an installation structure of the sliding press block assembly.
Fig. 6 is a first construction flow chart of the present invention.
FIG. 7 is a second construction flow chart of the present invention.
Fig. 8 is a third construction flow chart of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the utility model only and are not limiting upon the scope of the utility model.
As shown in fig. 1-5, an auxiliary positioning device for tunnel longitudinal drain pipe and waterproofing membrane construction comprises a positioning ring component 2 arranged on the longitudinal drain pipe 1 of a tunnel drainage structure and used for fixing the longitudinal drain pipe 1, and a sliding type pressing block component 3 used for fixing the waterproofing membrane 4 is arranged on the positioning ring component 2. The tunnel drainage structure comprises an annular drainage pipe 5, an omega-shaped semicircular drainage pipe 6 and a transverse drainage pipe 7, the annular drainage pipe 5, the omega-shaped semicircular drainage pipe 6 and the transverse drainage pipe 7 are connected with the longitudinal drainage pipe 1 through related structures, the positioning ring assembly 2 is arranged on the longitudinal drainage pipe 1 in advance in a penetrating mode, a plurality of positions connected with the water pipes are arranged in a staggered mode according to requirements, and the longitudinal drainage pipe 1 is positioned and anchored; and then laying the waterproof coiled material 4, pressing the lower edge of the waterproof coiled material 4 of the reverse-wrapped longitudinal drain pipe 1 on the primary support surface through the sliding type pressing block assembly 3 in the laying process, and then performing secondary lining construction.
The positioning ring assembly 2 comprises a positioning ring 201 with the caliber matched with that of the longitudinal drain pipe 1, a positioning anchor block 202 is arranged on the positioning ring 201, an anchor hole 2021 is formed in the positioning anchor block 202, and the positioning ring 201 is sleeved on the longitudinal drain pipe 1, so that the longitudinal drain pipe 1 is anchored with the primary support 8 through a positioning bolt 203 penetrating through the anchor hole.
The positioning ring 201 and the positioning anchor block 202 are of an integrated structure.
The positioning anchor block 202 is provided with a sliding groove 2022, and the sliding press block assembly 3 is arranged in the sliding groove 2022 and is clamped with the sliding groove 2022 in a sliding manner.
The sliding type pressing block assembly 3 comprises an L-shaped sliding block 301 and a pressing plate 302 fixedly connected with the L-shaped sliding block 301, elastic telescopic rods 303 are symmetrically arranged on two sides of the L-shaped sliding block 301, slide ways 2023 matched with the elastic telescopic rods 303 are arranged on two opposite inner side walls of a sliding groove 2022 of the positioning anchoring block, and a limiting clamping groove 2024 is arranged at one end, close to a primary support, of each slide way 2023, so that the L-shaped sliding block 301 is connected with the slide ways 2023 in a sliding mode through the elastic telescopic rods 303 and is limited in a sliding mode through the limiting clamping groove 2024.
The L-shaped sliding block 301 and the pressing plate 302 are of an integrated structure.
The flexible telescopic rod 303 and the slideway 2023 matched with the flexible telescopic rod are of a square structure. Or the elastic telescopic rods 303 are arranged in at least two groups, and the corresponding slide ways 2023 are arranged in at least two groups. So that the L-shaped slider 301 slides on the slide 2023 and can realize rotation limitation.
Referring specifically to fig. 6-8, the implementation steps of the present invention include:
(1) after the construction of the tunnel primary support 8 is completed, the annular drain pipes 5 and the omega-shaped semicircular drain pipes 6 are arranged annularly according to the requirements of design drawings;
(2) penetrating a certain number of positioning ring assemblies 2 on a longitudinal drain pipe 1 in advance, anchoring the longitudinal drain pipe 1 on the surface of a primary support 8 at the arch springing position of a tunnel according to the design drawing requirements through a positioning bolt 203, and ensuring the smoothness of the longitudinal drain pipe 1 in the anchoring process;
(3) the annular water drainage pipe 5 and the omega-shaped semicircular water drainage pipe 6 are connected with the longitudinal water drainage pipe 1 according to the requirements of design drawings, and the transverse water drainage pipe 7 is also connected with the longitudinal water drainage pipe 1;
(4) laying a waterproof coiled material 4, wherein the lower end head of the waterproof coiled material 4 bypasses the bottom of the longitudinal water discharge pipe 1 and is upwards rolled, the end head of the waterproof coiled material 4 is plugged into a gap between the sliding type pressing block assembly 3 and the primary support 8, then the pressing plate 302 is pushed inwards to enable the L-shaped sliding block 301 to slide along the slide way 2023, the elastic telescopic rod 303 is in a contraction state in the slide way 2023 in the sliding process and can slide, and when the elastic telescopic rod 303 reaches the limiting clamping groove 2024, the elastic telescopic rod 303 extends and is clamped in the limiting clamping groove 2024, so that the end head of the waterproof coiled material 4 can be propped against the surface of the primary support 8;
(5) and after the waterproof coiled material 4 is laid, binding of two lining reinforcing steel bars is carried out, then a gap at the bottom of the longitudinal drain pipe 1 and a secondary lining 9 are poured, and the construction of the tunnel structure is finished.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention without departing from the technical spirit of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides an auxiliary positioning device that is used for vertical drain pipe in tunnel and waterproofing membrane to be under construction which characterized in that: including setting up locating ring subassembly (2) that are used for vertical drain pipe to fix on vertical drain pipe, be equipped with slidingtype briquetting subassembly (3) that are used for fixed waterproofing membrane (4) on locating ring subassembly (2).
2. The auxiliary positioning device for the construction of the longitudinal tunnel drainage pipe and the waterproof coiled material as claimed in claim 1, wherein: the positioning ring assemblies (2) are arranged on the longitudinal water drainage pipes (1) in a plurality of ways.
3. The auxiliary positioning device for the construction of the longitudinal tunnel drainage pipe and the waterproof coiled material as claimed in claim 2, wherein: the positioning ring assembly (2) comprises a positioning ring (201) with the caliber matched with that of the longitudinal drain pipe (1), a positioning anchor block (202) is arranged on the positioning ring (201), an anchor hole (2021) is formed in the positioning anchor block (202), the positioning ring (201) is sleeved on the longitudinal drain pipe (1), and the longitudinal drain pipe (1) is anchored with the primary support (8) through a positioning bolt (203) penetrating into the anchor hole; a sliding groove (2022) is arranged on the positioning anchoring block (202), and the sliding pressing block component (3) is arranged in the sliding groove (2022) and is clamped with the sliding groove in a sliding manner.
4. The auxiliary positioning device for the construction of the longitudinal tunnel drainage pipe and the waterproof coiled material as claimed in claim 3, wherein: the sliding type pressing block assembly (3) comprises an L-shaped sliding block (301) and a pressing plate (302) fixedly connected with the L-shaped sliding block (301), elastic telescopic rods (303) are symmetrically arranged on two sides of the L-shaped sliding block (301), a slide way (2023) matched with the elastic telescopic rods (303) is formed in two opposite inner side walls of a sliding groove (2022) of the positioning anchoring block, a limiting clamping groove (2024) is formed in one end, close to an initial support, of the slide way (2023), the L-shaped sliding block (301) is in sliding connection with the slide way (2023) through the elastic telescopic rods (303), and the L-shaped sliding block is limited in sliding through the limiting clamping groove (2024).
5. The auxiliary positioning device for the construction of the longitudinal tunnel drainage pipe and the waterproof coiled material as claimed in claim 4, wherein: the elastic telescopic rod (303) and the slideway (2023) matched with the elastic telescopic rod are of square structures; or the elastic telescopic rods (303) are arranged in at least two groups, and the corresponding slide ways (2023) are arranged in at least two groups, so that the L-shaped sliding block (301) slides on the slide ways (2023) and realizes rotation limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122969066.XU CN216240699U (en) | 2021-11-30 | 2021-11-30 | A auxiliary positioning device that is used for vertical drain pipe in tunnel and waterproofing membrane to be under construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122969066.XU CN216240699U (en) | 2021-11-30 | 2021-11-30 | A auxiliary positioning device that is used for vertical drain pipe in tunnel and waterproofing membrane to be under construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240699U true CN216240699U (en) | 2022-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122969066.XU Active CN216240699U (en) | 2021-11-30 | 2021-11-30 | A auxiliary positioning device that is used for vertical drain pipe in tunnel and waterproofing membrane to be under construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216240699U (en) |
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2021
- 2021-11-30 CN CN202122969066.XU patent/CN216240699U/en active Active
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