Side wall force transmission device
By using a combination of grouting bags, connecting mechanisms and grouting pumps in subway station construction, the installation difficulties of traditional force transmission devices in narrow spaces and on uneven base surfaces have been solved, and safe, reliable and low-cost force transmission effects and force system conversion have been achieved.
Patent Information
- Application Number
- CN202422983763.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In the construction of fully prefabricated subway stations, traditional force transmission devices are difficult to install in a small space, cannot adapt to uneven base surfaces, have complicated and costly construction procedures, cannot be recycled, and cannot form a close-fitting force transmission structure.
A combination of a grouting bag, a connecting mechanism, a grouting pump and a supporting mechanism is used. The grouting bag is used to expand the grouting between the retaining wall and the prefabricated side wall to form a tight fit. Quick-drying cement slurry is used for rapid molding to form a force-bearing system that replaces the internal support.
It achieves safe and reliable force transmission in a small space, reduces construction costs, simplifies installation steps, adapts to uneven base surfaces, can be recycled, and reduces the use of backfill.
Smart Images

Figure CN223446218U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of subway station building construction, specifically, the utility model relates to a side wall force transmission device. BACKGROUND
[0002] In the whole prefabricated subway station construction process, due to the existence of 15cm gap between the enclosure structure and the prefabricated side wall, the side wall and the enclosure structure cannot form a close force transmission structure, after the installation of the prefabricated middle plate is completed, a reasonable device needs to be filled in the gap to form a replacement inner support, form a stress system supported by the prefabricated structure, achieve the stress system conversion, and the traditional force transmission device generally adopts a mechanical force transmission screw, but the method has the following risks and deficiencies: the narrow operation space cannot meet the demand of manual installation; the mechanical force transmission screw cannot adapt to the uneven enclosure structure of the base surface; the mechanical force transmission screw needs to be pre-buried in the side wall and needs to be welded, and the construction process is complicated; the force transmission screw cannot be recycled in the later period, the one-time investment cost is high, and the small size of the mechanical screw cannot reduce the construction amount of the later period.
[0003] Chinese patent (publication number: 117926729B) discloses a kind of super high performance concrete preparation assembly type subway platform structure, through bottom plate one and bottom plate two, and limiting block one on bottom plate two, after π type column installation, it can make that bottom plate one and bottom plate two automatically abut tightly, without additional equipment compression, reduce installation step, improve installation speed and efficiency;Through force transmission piece and side column cooperation, in the movement of force transmission block, force transmission piece is pressurized, to lock bottom plate one, bottom plate two and side wall with this, extrude the limiting rod in bottom plate two to drive movable column on π type column, in the rising of movable column, move limiting block two, further limit π type column and flat plate, increase the stability of whole. UTILITY MODEL CONTENTS
[0004] The utility model is carried out in order to solve the above problem, the purpose is to provide a kind of side wall force transmission device, safe and reliable and low cost, can solve the problem that part of force transmission device screw is difficult to install and installation quality is difficult to control in narrow space, to realize the above-mentioned purpose, the technical scheme that the utility model takes is as follows: a kind of side wall force transmission device is arranged between subway enclosure wall and prefabricated side wall, including grouting bag, the grouting bag is connected with connecting mechanism, the grouting bag side is connected with grouting mechanism, the prefabricated side wall side is provided with first support mechanism.
[0005] Grouting mechanism includes grouting pump, the grouting pump outlet end is connected with grouting pipe, one end of the grouting pipe is connected with connector, one end of the connector is connected with grouting head, the grouting head is communicated with grouting bag, the prefabricated side wall side is provided with middle plate.
[0006] The connecting mechanism comprises a lifting ring connected to one end of the grouting bag, and a steel wire rope connected to the lifting ring and arranged at the top of the prefabricated side wall.
[0007] The first supporting mechanism comprises a first support and a steel plate arranged on one side of the prefabricated side wall, wherein the steel plate is connected to the first support, and the first support abuts against the grouting bag.
[0008] The bottom end of the grouting pump is provided with a splicing trolley, the splicing trolley comprises a trolley body, a first supporting plate is arranged above the trolley body, a second supporting plate is connected to one side of the first supporting plate, a second supporting mechanism is arranged above the second supporting plate, and the grouting pump is arranged on the second supporting mechanism.
[0009] The second supporting mechanism comprises a first supporting column, a third supporting plate, a second supporting column and a fourth supporting plate, the second supporting column is arranged on the second supporting plate, the second supporting column is connected to the fourth supporting plate, the first supporting column is arranged on the fourth supporting plate, the third supporting plate is connected to the first supporting column, and the grouting pump is arranged on the third supporting plate.
[0010] The grouting bag is integrally formed of rubber, and the first support is in a triangular structure.
[0011] The lifting ring is arranged at least in two, and the lifting rings are arranged at equal intervals.
[0012] The technical effect of the utility model is that the lifting ring is connected to the grouting bag, the steel wire rope is connected to the lifting ring, the grouting bag is placed at the grouting position, and stability is maintained. The grouting pump can sequentially inject grouting into the grouting bag through the grouting pipe connector and the grouting head, the middle plate is installed, the grouting bag is grouted in the gap between the enclosure wall and the prefabricated side wall, force transmission is performed, the internal support is replaced, the prefabricated structure is supported, the stress system is converted, the steel plate is buried in the prefabricated side wall in advance before grouting, the first support is fixed with the steel plate, a resting platform is provided for the grouting bag, and a support point is provided for the formed grouting bag, so that stability is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0013] The present specification comprises the following drawings, and the shown contents are as follows:
[0014] Figure 1 It is a front view of a side wall force transmission device of the utility model;
[0015] Figure 2 It is a side wall force transmission device of the utility model Figure 1 An enlarged view of A in the middle;
[0016] Figure 3It is the utility model a side wall force transmission device grouting bag unfilled plan view;
[0017] Figure 4 It is the utility model a side wall force transmission device Figure 3 The enlarged view of B in the middle.
[0018] Figure 5 It is the utility model a side wall force transmission device grouting bag filled plan view.
[0019] Marked in the figure: 1, the enclosure wall;2, prefabricated side wall;3, grouting bag;4, connecting mechanism;401, the lifting ring;402, the steel wire rope;5, grouting mechanism;501, grouting pump;502, grouting pipe;503, the connector;504, grouting head;6, the middle plate;7, first support mechanism;701, first support;702, steel plate;8, splicing trolley;801, trolley body;802, first support plate;803, second support plate;9, second support mechanism;901, first support column;902, third support plate;903, second support column;904, fourth support plate. Specific implementation
[0020] Below contrast drawing, by the description of embodiment, the specific implementation of the application is further detailed, the purpose is to help the technical personnel in the field to the inventive concept, technical scheme of the application have more complete, accurate and thorough understanding, and help its implementation.
[0021] As Figures 1 to 5 Shown, a side wall force transmission device is arranged between the enclosure wall 1 and prefabricated side wall 2, including grouting bag 3, grouting bag 3 is connected with connecting mechanism 4, grouting bag 3 one side is connected with grouting mechanism 5, and prefabricated side wall 2 one side is provided with first support mechanism 7.First support mechanism 7 supports grouting bag 3, and grouting bag 3 has thin-walled rubber structure with certain deformation, and its outer surface has certain deformation, can adapt to the uneven shape of the base surface of prefabricated side wall 2, and its size can be adjusted according to the width of the fat groove, to ensure that grouting bag 3 can be closely attached to the enclosure wall 1 and prefabricated side wall 2 after inflation after grouting.In the grouting of grouting bag 3, connecting mechanism 4 can be placed to the position needing grouting, and grouting mechanism 5 is grouted into grouting bag 3, and grouting bag 3 can be closely attached to the outer surface of the enclosure wall 1 and prefabricated side wall 2 after inflation after grouting, and its outer surface has certain deformation, can adapt to the uneven shape of the base surface of prefabricated side wall 2, and the material of grouting bag 3 can resist the extrusion of internal fluid and the base surface puncture of the enclosure wall 1 and prefabricated side wall 2, and can withstand the expansion pressure of cement slurry.Both solve the problem of difficult installation of narrow fat groove force key, and realize the safe equivalent replacement of traditional screw force key, and the block structure can reduce the use amount of backfill material.
[0022] The grouting mechanism 5 comprises a grouting pump 501, the outlet end of the grouting pump 501 is connected with a grouting pipe 502, one end of the grouting pipe 502 is connected with a connecting head 503, one end of the connecting head 503 is connected with a grouting head 504, the grouting head 504 is communicated with the grouting bag 3, and one side of the prefabricated side wall 2 is provided with a middle plate 6. The model of the grouting pump 501 is selected according to the workability of the slurry, the grouting material adopted is fast-drying cement slurry, the strength grade of which can be adjusted according to the size of the contact area, the grouting material has good workability, can quickly fill and extrude the bag, realizes the close adhesion of the bag and the enclosure structure and the side wall, and after the filling is completed, has the fast-drying property, can quickly form and harden, realizes the conversion of the stress system; the grouting pipe 502 is a rubber hose, the thickness and the pipe diameter of the grouting pipe 502 can be adjusted and combined according to the actual situation on site, the size of the grouting head 504 is matched with the grouting pipe 502, and the grouting head 504 is a one-way valve structure and can prevent the slurry from flowing back. The grouting pump 501 can sequentially connect the grouting pipe 502, the connecting head 503 and the grouting head 504 to inject the slurry into the grouting bag 3, the middle plate 6 is installed, the grouting bag 3 is grouted in the gap between the enclosure wall 1 and the prefabricated side wall 2, the filling and force transmission are carried out, the replacement inner support is formed, the prefabricated structure is supported by the stress system, the conversion of the stress system is achieved,
[0023] The connecting mechanism 4 comprises a lifting ring 401, the lifting ring 401 is connected to one end of the grouting bag 3, the lifting ring 401 is connected with a steel wire rope 402, and one end of the steel wire rope 402 is arranged at the top of the prefabricated side wall 2. The lifting ring 401 is connected with the grouting bag 3, the steel wire rope 402 is connected with the lifting ring 401, the grouting bag 3 is placed at the grouting position and kept stable.
[0024] The first support mechanism 7 comprises a first support 701 and a steel plate 702, the steel plate 702 is arranged on one side of the prefabricated side wall 2, the steel plate 702 is connected with the first support 701, and the first support 701 abuts against the grouting bag 3. The steel plate 702 is a thin steel plate with an anchor bar, the size of the steel plate 702 can be adjusted according to the size of the first support 701, the steel plate 702 needs to be buried in the prefabricated side wall 2 in advance before grouting, and the first support 701 is fixed with the steel plate 702, so as to provide a resting platform for the grouting bag 3 and a support point for the grouting bag 3 after forming, so that the grouting bag 3 is stable.
[0025] The bottom end of the grouting pump 501 is provided with a splicing trolley 8, the splicing trolley 8 comprises a trolley body 801, a first support plate 802 is arranged above the trolley body 801, the first support plate 802 is a flat plate, a second support plate 803 is connected to one side of the first support plate 802, the second support plate 803 is also a flat plate, a second support mechanism 9 is arranged above the second support plate 803, and the grouting pump 501 is arranged on the second support mechanism 9. The first support plate 802 and the second support plate 803 are connected, so as to provide support for the second support mechanism 9 and the grouting pump 501.
[0026] The second support mechanism 9 comprises a first support column 901, a third support plate 902, a second support column 903 and a fourth support plate 904, the second support column 903 is arranged on the second support plate 803, the second support column 903 is connected with the fourth support plate 904, the first support column 901 is arranged on the fourth support plate 904, the third support plate 902 is connected with the first support column 901, and the grouting pump 501 is arranged on the third support plate 902.
[0027] The first support column 901 and the third support plate 902 can provide support for the grouting pump 501. The second support column 903 and the fourth support plate 904 provide support for the first support column 901 and the third support plate 902.
[0028] The grouting bag 3 is a rubber one-piece structure, the grouting bag 3 is a thin-walled rubber structure with a certain deformation amount, which can ensure that the grouting bag 3 can be tightly attached to the outer surface of the enclosure wall 1 and the prefabricated side wall 2 after grouting and swelling, and has a certain deformation amount, which can adapt to the uneven shape of the side wall base surface. The first support 701 is a triangular structure. After grouting is completed, the grouting bag 3 can be stably supported to maintain the stability of the grouting bag 3.
[0029] The lifting ring 401 is provided at least two, the lifting ring 401 is provided in plurality, the steel wire rope 402 can stably connect the lifting ring 401, and the grouting bag 3 is placed in the grouting position.
[0030] The lifting ring 401 is arranged at equal intervals. The steel wire rope 402 connected with the lifting ring 401 can stably place the grouting bag 3 in the grouting position.
[0031] Effects of the embodiment
[0032] The grouting pump 501 can sequentially inject grouting into the grouting bag 3 through the grouting pipe 502, the connecting head 503 and the grouting head 504. After the middle plate 6 is installed, the grouting bag 3 is grouted in the gap between the enclosure wall 1 and the prefabricated side wall 2 to fill and transmit force, replace the internal support, form a prefabricated structure supported stress system, realize stress system conversion; one end of the steel wire rope 402 is arranged at the top of the prefabricated side wall 2. The lifting ring 401 is connected with the grouting bag 3, the steel wire rope 402 is connected with the lifting ring 401, the grouting bag 3 is placed in the grouting position and kept stable; the steel plate 702 needs to be buried in the prefabricated side wall 2 in advance before grouting, the first support 701 is fixed with the steel plate 702 to provide a resting platform for the grouting bag 3 and provide a support point for the formed grouting bag 3, so that the grouting bag 3 is stable.
[0033] The utility model has been described exemplarily above in combination with the drawings. Apparently, the utility model is not limited by the above-mentioned mode in the specific implementation. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.
Claims
1. A side wall force transmission device, arranged between a subway enclosure wall (1) and a prefabricated side wall (2), characterized in that: It comprises a grouting bag (3), the grouting bag (3) is connected to a connecting mechanism (4), one side of the grouting bag (3) is connected to a grouting mechanism (5), and one side of the prefabricated side wall (2) is provided with a first supporting mechanism (7).
2. A side wall force transmission device according to claim 1, characterized in that: The grouting mechanism (5) comprises a grouting pump (501), the outlet end of the grouting pump (501) is connected to a grouting pipe (502), one end of the grouting pipe (502) is connected to a connector (503), one end of the connector (503) is connected to a grouting head (504), the grouting head (504) is in communication with a grouting bag (3), and a middle plate (6) is provided on one side of the prefabricated side wall (2).
3. The side wall force transmission device according to claim 1, characterized in that: The connecting mechanism (4) comprises a lifting ring (401), the lifting ring (401) is connected to one end of the grouting bag (3), the lifting ring (401) is connected to a steel wire rope (402), and one end of the steel wire rope (402) is arranged on the top of the prefabricated side wall (2).
4. The side wall force transmission device according to claim 1, characterized in that: The first supporting mechanism (7) comprises a first bracket (701) and a steel plate (702), wherein the steel plate (702) is arranged on one side of the prefabricated side wall (2), the steel plate (702) is connected to the first bracket (701), and the first bracket (701) is against the grouting bag (3).
5. The side wall force transmission device according to claim 2, characterized in that: A splicing trolley (8) is provided at the bottom end of the grouting pump (501), and the splicing trolley (8) includes a trolley body (801). A first support plate (802) is provided above the trolley body (801), a second support plate (803) is connected to one side of the first support plate (802), a second support mechanism (9) is provided above the second support plate (803), and the grouting pump (501) is provided on the second support mechanism (9).
6. The side wall force transmission device according to claim 5, characterized in that: The second support mechanism (9) comprises a first support column (901), a third support plate (902), a second support column (903) and a fourth support plate (904); the second support column (903) is arranged on the second support plate (803); the second support column (903) is connected to the fourth support plate (904); the first support column (901) is arranged on the fourth support plate (904); the third support plate (902) is connected to the first support column (901); and the grouting pump (501) is arranged on the third support plate (902).
7. The side wall force transmission device according to claim 1, characterized in that: The grouting bag (3) is a rubber integrally molded structure, and the first bracket (701) is a triangular structure.
8. The side wall force transmission device according to claim 3, characterized in that: At least two of the hanging rings (401) are provided, and the hanging rings (401) are arranged at equal intervals.
Citation Information
Patent Citations
An ultra-high performance concrete assembled subway platform structure
CN117926729B