CN220521384U - Rubber air bag installation device for deep foundation pit high-water-level iron pipe dewatering well - Google Patents
Rubber air bag installation device for deep foundation pit high-water-level iron pipe dewatering well Download PDFInfo
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- CN220521384U CN220521384U CN202321657094.0U CN202321657094U CN220521384U CN 220521384 U CN220521384 U CN 220521384U CN 202321657094 U CN202321657094 U CN 202321657094U CN 220521384 U CN220521384 U CN 220521384U
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- rubber air
- clamping
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims 1
- 238000011112 process operation Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 14
- 238000010276 construction Methods 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000005266 casting Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model discloses a rubber air bag installation device for a deep foundation pit high-water-level iron pipe dewatering well, which comprises a base plate, an outer pipe installed on the base plate, a clamping jaw assembly connected with the base plate and used for clamping and releasing a rubber air bag, and an air duct assembly penetrating through the outer pipe and matched with the rubber air bag; the air duct assembly is used for inflating the rubber air bag to enable the rubber air bag to expand and be blocked in the iron pipe dewatering well, the rubber air bag is clamped and released to a designated position through the clamping jaw assembly, the air duct assembly is used for inflating the rubber air bag, the rubber air bag is inflated in the water well after inflation is completed, and the whole process operation is convenient and reliable.
Description
Technical Field
The utility model relates to the field of building construction, in particular to a rubber air bag installation device for a deep foundation pit high-water-level iron pipe dewatering well.
Background
In the construction of a building, a dewatering well is generally arranged on the ground before a deep foundation pit is excavated, the groundwater level at the foundation pit is reduced, and water in the dewatering well is continuously extracted and discharged through a water pumping pipe; when the groundwater level is lowered to the designed elevation, the foundation pit is constructed and excavated, and the deep foundation pit dewatering well is generally required to be plugged after the construction is completed. The plugging of the deep foundation pit dewatering well is a key link of subsequent foundation construction, and directly affects the effect of the waterproof engineering.
The existing plugging mode of the deep foundation pit dewatering well is an in-well grouting method, grouting is directly carried out in the well, but when the complex geological conditions of high water level and severe piping are faced, the water stopping effect of the direct grouting mode is limited, the traditional construction method cannot meet the quality requirement of well sealing, and therefore the method can be used for processing by adopting a rubber air bag plugging mode before grouting processing, but no suitable device is used for rubber air bag plugging installation of the deep foundation pit at present.
Therefore, in order to solve the above problems, there is a need for a rubber airbag installation device for a deep foundation pit high water level iron pipe dewatering well.
Disclosure of Invention
In view of this, the installation device of this technical scheme carries out the centre gripping and releases the assigned position to the rubber gasbag through the clamping jaw subassembly, inflates the rubber gasbag through the air duct subassembly, inflates the rubber gasbag in the well after the inflation is accomplished, and whole process operation is convenient and reliable.
A rubber air bag installation device for a deep foundation pit high-water-level iron pipe dewatering well comprises a base plate, an outer pipe installed on the base plate, a clamping jaw assembly connected with the base plate and used for clamping and releasing a rubber air bag, and an air duct assembly penetrating through the outer pipe and matched with the rubber air bag; the air duct component is used for inflating the rubber air bag so that the rubber air bag is inflated and blocked in the iron pipe dewatering well.
Further, the clamping jaw assembly comprises a supporting arm arranged at the bottom of the base plate, a clamping arm hinged with the supporting arm and a tension spring connected and arranged between the supporting arm and the clamping arm, and the clamping arm is used for clamping the rubber air bag.
Further, the support arms are arranged in the circumferential direction of the substrate, and the clamping arms are arranged in a plurality and correspondingly matched with the support arms.
Further, a rubber sheet for matching the rubber air bag is arranged at the end part of the clamping arm.
Further, the air duct assembly comprises an inner tube coaxially installed with the outer tube, a limiting ring arranged in the circumferential direction of the inner tube and an air needle installed at the end part of the inner tube, wherein the base plate is provided with an installation hole for installing the inner tube, and the inner tube can slide along the axial direction of the outer tube for telescopic adjustment.
Further, the device also comprises a supporting plate, wherein the supporting plate and the base plate are arranged in parallel, and a plurality of supporting arms are uniformly distributed in the circumferential direction of the supporting plate.
Further, a guide seat used for being matched with the inner pipe is arranged on the supporting plate.
Further, the construction is carried out by adopting the rubber air bag installation device for the deep foundation pit high-water-level iron pipe dewatering well;
the method also comprises the following steps:
s1: performing chiseling construction on the circumferential direction of the wellhead of the iron pipe well according to an angle of a degrees with the axial direction of the iron pipe well, wherein the chiseling depth is 12-18cm, and the angle of a degrees is 40-50 degrees;
s2: processing two positioning holes at the same height at the position 7-10cm below the wellhead of the iron pipe well, and clamping and downwards releasing the rubber air bags into the iron pipe dewatering well by adopting a rubber air bag mounting device after the processing is finished;
s3: after the rubber air bag is released downwards to a designated position, the rubber air bag is inflated to expand and tightly expand with the inner wall of the iron pipe well, and whether the iron pipe well is plugged tightly is observed after the rubber air bag is installed;
s4: discharging water above the rubber air bag in the iron pipe well, and grouting the well space above the rubber air bag by adopting high-strength grouting materials after the water is discharged;
s5: installing a plugging steel plate, installing the plugging steel plate at a grouting position of the high-strength grouting material, and performing welding treatment on the plugging steel plate and the inner wall of the iron pipe well in a welding mode;
s6: installing a pouring template at the position of the wellhead of the iron pipe after the completion of the chiseling construction, installing a locking piece at the positioning hole and connecting and installing the locking piece with the pouring template, and plugging and pouring the template and the template at the position inside and outside the wellhead after the installation of the locking piece.
Further, a lifting rod is arranged on the plugging steel plate.
The beneficial effects of the utility model are as follows: according to the installation device, the rubber air bag is clamped and released to the designated position through the clamping jaw assembly, the rubber air bag is inflated through the air duct assembly, the rubber air bag is inflated to be tightly arranged in the water well after the inflation is completed, the whole process is convenient and reliable to operate, the plugging quality of the deep foundation pit high-water-level iron pipe dewatering well is guaranteed, the engineering quality requirement is met, the situation that uncontrollable water leakage is generated after a raft plate is poured in the later dewatering well is avoided, and the construction quality is improved.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a mounting device according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the plugging steel plate of the utility model.
Detailed Description
FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of a mounting device according to the present utility model; FIG. 3 is a schematic diagram of a structure of a plugging steel plate according to the utility model; as shown in the figure, the rubber airbag installation device for the deep foundation pit high-water-level iron pipe dewatering well comprises a base plate 14, an outer pipe 11 arranged on the base plate 14, a clamping jaw assembly connected with the base plate 14 and used for clamping and releasing the rubber airbag, and an air duct assembly penetrating through the outer pipe and matched with the rubber airbag; the air duct component is used for inflating the rubber air bag 2 so that the rubber air bag is inflated and blocked in the iron pipe dewatering well; according to the installation device of the technical scheme, the rubber air bag is clamped and released to the designated position through the clamping jaw assembly, the air duct assembly is used for inflating the rubber air bag 2, the rubber air bag 2 is inflated to be tightly arranged in the water well after inflation is completed, the whole process is convenient and reliable to operate, the plugging quality of the deep foundation pit high-water-level iron pipe dewatering well is guaranteed, the engineering quality requirement is met, the situation that uncontrollable water leakage is generated after a raft plate is poured in the later dewatering well is avoided, and the construction quality is improved.
In this embodiment, the clamping jaw assembly includes a support arm 18 mounted at the bottom of the base plate 14, a clamping arm 20 hinged to the support arm 18, and a tension spring 19 connected and mounted between the support arm and the clamping arm 20, where the clamping arm 20 is used for clamping the rubber air bag. The support arm 18 is fixedly arranged in the circumferential direction of the bottom of the base plate 14, the support arm 18 and the clamping arm 20 are connected and arranged in a hinged mode, and a tension spring 19 is arranged between the support arm 18 and the clamping arm, so that the clamping arm can return conveniently after finishing working.
In this embodiment, a plurality of support arms 18 are disposed along the circumferential direction of the substrate 14, and a plurality of clamping arms are disposed and correspondingly mounted with the plurality of support arms. The supporting arm 18, the clamping arm 20 and the tension spring 19 are matched and used in groups, and a plurality of groups are arranged in the circumferential direction of the base plate, so that the rubber air bag 2 can be clamped conveniently, and unstable clamping of the rubber air bag is prevented.
In this embodiment, the end portion of the clamping arm 20 is provided with a rubber sheet 21 for matching the rubber air bag, and the lower end portion of the clamping arm 20 is provided with a rubber sheet capable of enhancing friction force, so that the rubber air bag 2 can be clamped and lowered conveniently.
In this embodiment, the air duct assembly includes an inner tube 12 coaxially mounted with the outer tube 11, a limiting ring 16 disposed in the circumferential direction of the inner tube, and an air needle mounted at the end of the inner tube, and the base plate 14 is provided with a mounting hole for mounting the inner tube, and the inner tube can slide along the axial direction of the outer tube for telescopic adjustment. The inner tube 12 can slide along the axial direction of the outer tube 11, the inner tube is installed through a limiting block 13 arranged inside the outer tube, an air needle is arranged at the lower end part of the inner tube 12, the rubber air bag is convenient to inflate, and the limiting ring 16 is convenient for axially limiting when the inner tube is subjected to sliding adjustment.
In this embodiment, the support plate 15 is further included, the support plate 15 and the base plate 14 are arranged parallel to each other, and the plurality of support arms 18 are uniformly distributed in the circumferential direction of the support plate. The support plate 15 is arranged in parallel with the base 14 for improving the stability and strength of the overall structure.
In this embodiment, the support plate 15 is provided with a guide seat 17 for being used in cooperation with the inner tube 12. The guide seat 17 is used for guiding and limiting the inner tube 12, so that the inner tube cannot deviate from a preset running track when sliding.
The embodiment comprises the step of constructing by adopting the rubber air bag installation device for the deep foundation pit high-water-level iron pipe dewatering well;
the method also comprises the following steps:
s1: performing chiseling construction on the circumferential direction of the wellhead of the iron pipe well according to an angle of a degrees with the axial direction of the iron pipe well, wherein the chiseling depth is 12-18cm, and the angle of a degrees is 40-50 degrees; when in construction, the well head is firstly subjected to chiseling treatment, the chiseling depth is preferably 15cm below the well head, and the angle a is preferably 45 degrees.
S2: processing two positioning holes at the same height at the position 7-10cm below the wellhead of the iron pipe well, and clamping and downwards releasing the rubber air bags into the iron pipe dewatering well by adopting a rubber air bag mounting device after the processing is finished; and processing positioning holes at a certain position downwards at the wellhead of the iron pipe well, wherein the two positioning holes are at the same height and pass through the center of the cross section of the same iron pipe well, and clamping the rubber air bag by adopting the mounting device after the processing is completed and then placing the rubber air bag into the iron pipe well.
S3: after the rubber air bag 2 is released downwards to a designated position, the rubber air bag is inflated to expand and tightly expand with the inner wall of the iron pipe well, and whether the iron pipe well is plugged tightly is observed after the rubber air bag is installed; after the rubber air bag 2 is generally lowered to a designated position in a wellhead, the rubber air bag is inflated through the inner tube, the inner tube is pulled up to separate an air needle from the rubber air bag after the inner tube is inflated until the inner tube is expanded with the inner wall of the iron pipe well, and then the rubber air bag mounting device is pulled up.
S4: discharging water above the rubber air bag in the iron pipe well, and grouting the well space above the rubber air bag by adopting high-strength grouting materials after the water is discharged; and (3) extracting water above the air bags after the rubber air bags are installed, stirring the high-strength grouting material, filling the stirred high-strength grouting material into an iron pipe dewatering well, and filling the iron pipe dewatering well to a proper height to form air bag upper grouting 3.
S5: installing a plugging steel plate 4, installing the plugging steel plate at a grouting position of the high-strength grouting material, and performing welding treatment on the plugging steel plate and the inner wall of the iron pipe well in a welding mode; the method comprises the steps of installing a plugging steel plate on the upper surface of a grouting part for welding treatment with the inner wall of an iron pipe well 9, carrying out positioning spot welding on the plugging steel plate during welding, carrying out full-length welding on the plugging steel plate after the spot location is completed, filling the b-degree chamfer angle (generally 45 degrees) of the plugging steel plate for firmness during the first full-length welding, repeating the previous operation for carrying out the second full-length welding, controlling the welding quality during the welding, and not allowing the conditions of sand holes, welding leakage and the like to occur, wherein the conditions of the sand holes or welding leakage part are required to be subjected to overlap joint repair welding if the welding failure is found.
S6: installing a pouring template at the position of the wellhead of the iron pipe after the completion of the chiseling construction, installing a locking piece at the positioning hole and connecting and installing the locking piece with the pouring template, and plugging and pouring the template and the template at the position inside and outside the wellhead after the installation of the locking piece. And the casting template is installed at the position after the chiseling construction is completed, meanwhile, the locking piece penetrates through the two positioning holes and is matched with the casting template to be installed (the locking piece is installed by adopting the split bolts 8), casting is performed after the casting is completed, casting is performed in the wellhead and at the outer circumference of the wellhead to form an inner casting layer 5 and an outer casting layer 7, the split bolts 8 play a role in connecting the inner and outer layers, so that the upper casting structure performance is stronger, and the position of the raft roof 6 is positioned above the inner casting layer 5.
In this embodiment, the lifting rod 41 is mounted on the sealing steel plate. The boom 41 facilitates construction when performing a welding process.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. A be used for deep basal pit high water level iron pipe precipitation well rubber gasbag installation device, its characterized in that: the device comprises a substrate, an outer tube arranged on the substrate, a clamping jaw assembly connected with the substrate and used for clamping and releasing a rubber air bag, and an air duct assembly penetrating through the outer tube and matched with the rubber air bag; the air duct assembly is used for inflating the rubber air bag so that the rubber air bag is inflated and blocked in the iron pipe dewatering well; the air duct assembly comprises an inner tube coaxially arranged with the outer tube, a limiting ring arranged in the circumferential direction of the inner tube and an air needle arranged at the end part of the inner tube, wherein the base plate is provided with a mounting hole for mounting the inner tube, and the inner tube can slide along the axial direction of the outer tube for telescopic adjustment.
2. The rubber airbag installation device for the deep foundation pit high water level iron pipe dewatering well, as set forth in claim 1, is characterized in that: the clamping jaw assembly comprises a supporting arm arranged at the bottom of the base plate, a clamping arm hinged with the supporting arm and a tension spring connected and arranged between the supporting arm and the clamping arm, and the clamping arm is used for clamping the rubber air bag.
3. The rubber airbag mounting device for the deep foundation pit high water level iron pipe dewatering well, according to claim 2, is characterized in that: the support arms are arranged in the circumferential direction of the substrate, and the clamping arms are arranged in a plurality and correspondingly matched with the support arms.
4. The rubber airbag mounting device for the deep foundation pit high water level iron pipe dewatering well, according to claim 2, is characterized in that: the end part of the clamping arm is provided with a rubber sheet for matching the rubber air bag.
5. The rubber airbag mounting device for the deep foundation pit high water level iron pipe dewatering well, according to claim 2, is characterized in that: the support arm is characterized by further comprising a support plate, wherein the support plate and the base plate are arranged in parallel, and the support arms are uniformly distributed in the circumferential direction of the support plate.
6. The rubber airbag installation device for the deep foundation pit high water level iron pipe dewatering well, as set forth in claim 5, is characterized in that: the support plate is provided with a guide seat used for being matched with the inner tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321657094.0U CN220521384U (en) | 2023-06-27 | 2023-06-27 | Rubber air bag installation device for deep foundation pit high-water-level iron pipe dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321657094.0U CN220521384U (en) | 2023-06-27 | 2023-06-27 | Rubber air bag installation device for deep foundation pit high-water-level iron pipe dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220521384U true CN220521384U (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321657094.0U Active CN220521384U (en) | 2023-06-27 | 2023-06-27 | Rubber air bag installation device for deep foundation pit high-water-level iron pipe dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220521384U (en) |
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2023
- 2023-06-27 CN CN202321657094.0U patent/CN220521384U/en active Active
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