CN212642758U - Positioning clamp and water stop belt mounting structure - Google Patents
Positioning clamp and water stop belt mounting structure Download PDFInfo
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- CN212642758U CN212642758U CN202020940999.9U CN202020940999U CN212642758U CN 212642758 U CN212642758 U CN 212642758U CN 202020940999 U CN202020940999 U CN 202020940999U CN 212642758 U CN212642758 U CN 212642758U
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- waterstop
- hook limit
- water stop
- circular arc
- positioning
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Abstract
The utility model discloses a positioning clamp and waterstop mounting structure, the positioning clamp, including the body and simultaneously with the body parallel first hook limit and the second hook limit of interval arrangement, the first hook limit is connected with the top of body through first transition circular arc, the second hook limit is connected with the bottom of body through first transition circular arc, the body, the first hook limit, the second hook limit, the first transition circular arc and the second transition circular arc form the draw-in groove that is used for matching the card to block the waterstop; the lower die is abutted against one side of the clamping groove, and the upper die is arranged on the other side of the clamping groove. The utility model can ensure the one-step forming of the water stop, can not damage the finished lining and the water stop, can ensure that the water stop can not cause the incompact concrete due to the fold and the bending, and can effectively prevent the water seepage at the circumferential construction joint and the water return problem of the inverted arch construction joint; the construction process is optimized, a more humanized construction method is created, the production efficiency is improved, and the construction cost is controlled.
Description
Technical Field
The utility model relates to a lining construction technical field among the underground tunnel engineering especially relates to a locator card and waterstop mounting structure.
Background
The highway railway tunnel is usually built by a new Austrian method, namely, after excavation, firstly supporting the excavation surface of the tunnel for the first time, then pouring an inverted arch, and finally arranging a secondary lining trolley in the tunnel for pouring secondary lining. Because the length of the two-lining trolley is limited, the secondary lining of the tunnel is poured in sections, so that a gap exists between two adjacent sections of concrete, and water leakage is easy to occur. The current practice is to place a buried water stop between two sections of concrete.
In the prior art, two methods for fixing the buried water stop belt in the tunnel are provided: 1. the fixing method of the buried rubber waterstop with the lining reinforcing steel bar is that after the reinforcing steel bar is bound, the waterstop is installed, positioning reinforcing steel bars or flat irons are adopted for fixing when the waterstop is installed, the flat irons are used for clamping the waterstop, and the flat irons and the positioning reinforcing steel bars are firmly welded to fix the waterstop; 2. the fixing method of the middle-buried water stop of the non-lining reinforcing steel bar is that after the water stop is installed, a trolley steel end mold clamp is directly adopted to clamp the middle hollow part of the water stop so as to fix the water stop.
At present, the method for fixing the water stop by positioning reinforcing steel bars and flat irons and directly fixing the water stop by using steel end dies has the following problems: (1) the method for adding the flat iron by using the positioning steel bars is troublesome to operate, complex in process and high in labor and time consumption, bolts for reinforcing the flat iron are easily clamped by a template when the flat iron is disassembled after concrete is poured, the consumed material is large during disassembly, the appearance of a finished lining and a water stop belt can be damaged, and the attractiveness and the water resistance are affected; (2) the water stop belt directly adopting the method of clamping the water stop belt by the steel end mold is not smooth and centered, and the appearance is seriously influenced; (3) in both methods, the water belt is easy to bend and fold in the pouring process, the air extrusion causes the loose of the concrete pouring to form the void behind the lining, the quality defect is caused, the loose of the concrete pouring is further caused, the water seepage is caused at the circumferential construction joint, and the water return of the inverted arch construction joint is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, providing a locator card to the technical problem who solves is: in the prior art, the waterstop fixing method easily causes the waterstop to be bent and easily folded, the concrete is not tightly poured due to air extrusion to form a lining back void, the quality defect is caused, the concrete is not tightly poured, water seepage is caused at the circumferential construction joint, and the inverted arch construction joint returns water; another object of the utility model is to provide a waterstop mounting structure.
In order to achieve the above object, the utility model provides a locator card, including the body, with a tip parallel interval arrangement's of body first hook limit and with the second hook limit of the flat type interval arrangement of the other one end of body, first hook limit is connected in the top of body through first transition circular arc, second hook limit is connected in the bottom of body through first transition circular arc, the body first hook limit second hook limit first transition circular arc with second transition circular arc forms the draw-in groove that is used for matcing the card to end the waterstop, first hook limit with interval between the second hook limit does the opening of draw-in groove.
Preferably, the body, the first hook edge, the second hook edge, the first transition arc and the second transition arc are integrally formed steel bars.
A waterstop mounting structure comprises a positioning clamp, an upper die and a lower die;
the positioning card is the positioning card;
a plurality of positioning clamps are arranged on the water stop belt at intervals, and the opening directions of the clamping grooves of the adjacent positioning clamps are opposite;
the lower die is abutted against one side of the clamping groove, and the upper die is arranged on the other side of the clamping groove;
concrete is poured at the positioning clamp.
Preferably, the waterstop is vertically arranged in the interval between the adjacent linings, after the positioning clamp is installed on the waterstop, concrete is poured in the interval, and the lower part of the positioning clamp is positioned in the concrete.
Preferably, the lower die is a steel end die, and the upper die is a wood die.
Preferably, one half of the width of the water stop is positioned on the inner side of the steel end die, and the other half of the width of the water stop is positioned on the outer side of the steel end die.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a locator card includes the body, parallel interval arrangement's the first hook limit with an end of body and with the second hook limit of the flat interval arrangement of the other end of body, the first hook limit is connected with the top of body through the first transition circular arc, the second hook limit is connected in the bottom of body through the first transition circular arc, body, first hook limit, second hook limit, first transition circular arc and second transition circular arc form the draw-in groove that is used for matching the card to block the waterstop; a plurality of positioning clamps are arranged on the waterstop of the waterstop mounting structure at intervals, the opening directions of the clamping grooves of the adjacent positioning clamps are opposite, the lower die abuts against one side of the clamping groove, and the upper die is arranged on the other side of the clamping groove. A plurality of positioning clamps are arranged on the water stop belt at intervals, so that the appearance of the buried water stop belt is smooth and attractive, and the buried water stop belt is symmetrical in the center; meanwhile, the upper die, the lower die positioning and positioning clamps and the water stop are utilized to ensure that the water stop is formed at one time, the finished lining and the water stop cannot be damaged, the water stop cannot be damaged due to the fact that concrete is not compact due to folds and bending, the quality problem of lining cavities is formed, and the problems of water seepage at the circumferential construction joint and water return of an inverted arch construction joint are effectively prevented; the construction process is optimized, a more humanized construction method is created, the production efficiency is improved, and the construction cost is controlled.
The utility model discloses a stagnant water mounting structure utilizes the locator card to pour and accomplishes the back, and the waterstop is smooth-going placed in the middle after pulling down the template, and no roll-over, concrete do not have destruction, and the end waterstop is in the same direction as straight when pouring two linings of next edition, uses this method step by step, buries the effect of waterstop in the ability full play, and the uncompacted situation of end concrete also can be solved, and construction joint water leakage phenomenon also obtains handling.
The utility model has the advantages of simple structure, simple and convenient operation, and improved work efficiency; the water stop belt at the end of the lining is ensured to have attractive appearance, the defects of a steel end mould are effectively overcome, the problems of water seepage at the circumferential construction joint and water return of an inverted arch construction joint are prevented, and the construction cost of engineering is reduced.
Drawings
Fig. 1 is a schematic structural view of the locator card of the present invention;
fig. 2 is a first schematic structural view of the waterstop mounting structure of the present invention;
fig. 3 is a schematic structural view of a water stop mounting structure of the present invention;
fig. 4 is a schematic structural view of the water stop of the present invention after the form removal is completed.
In the figure, 1, positioning card; 11. a body; 12. a first hook edge; 13. a second hook edge; 14. a first transition arc; 15. a second transition arc; 16. a card slot; 2. a water stop; 3. an upper die; 4. a lower die; 5. lining; 6. and (5) carrying out trolley end die.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The utility model discloses a preferred embodiment of locator card 1, as shown in fig. 1, including body 11 and first hook limit 12 and the second hook limit 13 with body 11 parallel interval arrangement simultaneously, body 11 specifically is vertical banding structure, and first hook limit 12 is connected in the top of body 11 through first transition circular arc 14, and second hook limit 13 is connected in the bottom of body 11 through first transition circular arc 15, and body 11, first hook limit 12, second hook limit 13, first transition circular arc 14 and second transition circular arc 15 form the draw-in groove 16 that is used for matcing the card to block waterstop 2. The width of the water stop 2 is matched with that of the clamping groove 16, and the positioning clamp 1 is matched and clamped on the water stop 2. In the embodiment of the application, the gap between the first hook edge 12 and the second hook edge 13 is the opening of the clamping groove 16, the body 11, the first hook edge 12, the second hook edge 13, the first transition arc 14 and the second transition arc 15 are integrally formed by bending steel bars, and the locator card 1 has a simple structure and a simple processing technology.
The embodiment of the water stop installation structure of the utility model, as shown in fig. 2-4, comprises a positioning clamp 1, an upper die 3, a lower die 4, a lining 5 and a trolley end die 6, wherein the upper die 3 is a wood die, the lower die 4 is a steel end die, and the positioning clamp 1 has the same structure as the positioning clamp 1; a plurality of positioning clamps 1 are arranged on the water stop 2 at intervals, the opening directions of the clamping grooves 16 of the adjacent positioning clamps 1 are opposite, the lower die 4 abuts against one side of the clamping grooves 16, and the upper die 3 is arranged on the other side of the clamping grooves 16. Specifically, in the interval of the vertical adjacent lining 5 of locating about waterstop 1, after installing locator card 1 on waterstop 2, location card 1 department has pour the concrete in the interval, and the lower part of locator card 1 is located the concrete.
A plurality of positioning clamps 1 are arranged on the water stop 2 at intervals, so that the appearance of the buried water stop is smooth and attractive, and the buried water stop is symmetrical in the center; meanwhile, the upper die 3, the lower die 4, the positioning clamp 1 and the water stop 2 are utilized to ensure that the water stop 2 is embedded and formed at one time, the finished lining 5 and the finished water stop 2 cannot be damaged, the water stop 2 cannot be subjected to quality problems of forming a cavity of the lining 5 due to the fact that concrete is not compact caused by folding and bending, and water seepage at an annular construction joint and water return at an inverted arch construction joint are effectively prevented; the construction process is optimized, a more humanized construction method is created, the production efficiency is improved, and the construction cost is controlled.
The utility model discloses a method of burying underground of above-mentioned waterstop mounting structure: after the secondary lining trolley is calibrated and positioned, the water stop belt 2 is firstly fixed along the hinge joints of the plurality of lower dies 4; a plurality of positioning clamps 1 are arranged on the water stop 2 at intervals, the lower die 4 abuts against the positioning clamps 1, the interval between the two positioning clamps 1 is the same as the length of the lower die 4, and the opening directions of the clamping grooves 16 of the adjacent positioning clamps 1 are opposite; and (3) positioning the water stop belt by utilizing the upper die 3 and the lower die 4, and pouring concrete at the installation positions of the water stop belt, the upper die and the lower die.
When the positioning card 1 is installed, the clamping groove 16 of the positioning card 1 must be matched with the water stop band 2.
Further, the lower die 4 is a steel end die, and the upper die 3 is a wood die. One half of the width of the water stop 2 is positioned at the inner side of the steel end die, and the other half is positioned outside the steel end die.
The utility model discloses utilizing locator card 1 to pour and accomplishing the back, pulling down the smooth-going centre of waterstop behind the template, there is not the turn-up, and the concrete does not have the destruction, and end waterstop 2 is in the same direction as straight when pouring two linings of next edition, uses this method step by step, can full play waterstop 2's effect, avoids the untight situation of end concrete and avoids construction joint water leakage phenomenon.
The utility model discloses an application of locator card 1 in lining 5 construction, simple structure, easy operation are convenient, have improved work efficiency; the appearance of the water stop 2 with the 5-end lining is attractive, the defects of a steel end mould are effectively overcome, the problems of water seepage at the circumferential construction joint and water return of an inverted arch construction joint are solved, and the construction cost of a project is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a locator card, its characterized in that, including the body, with the parallel interval arrangement's of a tip first hook limit of body and with the second hook limit of the flat interval arrangement of the other end of body, first hook limit is connected in the top of body through first transition circular arc, the second hook limit is connected in the bottom of body through second transition circular arc, the body first hook limit the second hook limit first transition circular arc with second transition circular arc forms the draw-in groove that is used for the matching to block the waterstop, first hook limit with interval between the second hook limit does the opening of draw-in groove.
2. The locator card of claim 1, wherein the body, the first hooked edge, the second hooked edge, the first transition arc, and the second transition arc are integrally formed steel strips.
3. A waterstop mounting structure is characterized by comprising a positioning clamp, an upper die and a lower die;
the locator card is the locator card of any one of claims 1-2;
a plurality of positioning clamps are arranged on the water stop belt at intervals, and the opening directions of the clamping grooves of the adjacent positioning clamps are opposite;
the lower die is abutted against one side of the clamping groove, and the upper die is arranged on the other side of the clamping groove;
concrete is poured at the positioning clamp.
4. The waterstop mounting structure of claim 3, wherein the waterstop is vertically arranged in a space between adjacent linings, after a positioning clip is mounted on the waterstop, concrete is poured in the space, and the lower part of the positioning clip is positioned in the concrete.
5. The waterstop mounting structure of claim 3, wherein the lower mold is a steel end mold and the upper mold is a wood mold.
6. The waterstop mounting structure of claim 5, wherein one half of the waterstop width is inside the steel end form and the other half is outside the steel end form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020940999.9U CN212642758U (en) | 2020-05-28 | 2020-05-28 | Positioning clamp and water stop belt mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020940999.9U CN212642758U (en) | 2020-05-28 | 2020-05-28 | Positioning clamp and water stop belt mounting structure |
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| Publication Number | Publication Date |
|---|---|
| CN212642758U true CN212642758U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020940999.9U Active CN212642758U (en) | 2020-05-28 | 2020-05-28 | Positioning clamp and water stop belt mounting structure |
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| CN (1) | CN212642758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535841A (en) * | 2020-05-28 | 2020-08-14 | 中铁二十二局集团市政工程有限公司 | Positioning clamp, water stop belt mounting structure and embedding method |
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2020
- 2020-05-28 CN CN202020940999.9U patent/CN212642758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535841A (en) * | 2020-05-28 | 2020-08-14 | 中铁二十二局集团市政工程有限公司 | Positioning clamp, water stop belt mounting structure and embedding method |
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