CN215715250U - Adjustable support protection device for inner wall of plastic sleeve - Google Patents
Adjustable support protection device for inner wall of plastic sleeve Download PDFInfo
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- CN215715250U CN215715250U CN202121883131.0U CN202121883131U CN215715250U CN 215715250 U CN215715250 U CN 215715250U CN 202121883131 U CN202121883131 U CN 202121883131U CN 215715250 U CN215715250 U CN 215715250U
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Abstract
The utility model discloses an adjustable supporting and protecting device for the inner wall of a plastic sleeve, which comprises a central supporting rod, a positioning sleeve ring, a side wall supporting sheet, a bottom gasket, an oblique supporting rod, a vertical supporting rod, a lateral supporting rod, a displacement sleeve ring and a safety slot, wherein the central supporting rod is fixedly connected with the positioning sleeve ring; the side edge of the central support rod is provided with a plurality of side wall support sheets connected with the lateral support rods and used for balancing the pressure inside and outside the sleeve; the bottom gasket is arranged at the bottom of the central support rod, so that the whole structure is kept stable and vertical; the displacement lantern ring is connected with the oblique supporting rod, the oblique supporting rod is connected with the lateral supporting rod and the vertical supporting rod, and the expansion of the lateral supporting rod can be controlled by moving the displacement lantern ring. The utility model adopts the side wall supporting device with adjustable unfolding angle to replace the traditional method for balancing internal and external pressure by water injection, thereby saving resources and reducing construction procedures.
Description
Technical Field
The utility model relates to the technical field of plastic sleeve concrete piles, in particular to a plastic sleeve inner wall supporting and protecting device in the construction process of a plastic sleeve concrete pile.
Background
The TC pile is composed of a prefabricated pile tip, a plastic sleeve, concrete in the sleeve, a top pile cap and the like. The TC pile is a foundation treatment method which has high bearing capacity, reliable pile forming quality, small influence on the surrounding environment and quick and convenient construction. The pile forming method comprises the following steps: the plastic sleeves are driven into a foundation to be reinforced one by adopting pipe inserting equipment according to a certain interval, the sleeves are closed at the bottom and open at the top, after all segmented blocks are driven, the sleeves embedded in the foundation are uniformly and continuously cast into piles by concrete, the sleeves are not taken out, thus the sleeves and fillers form foundation reinforcing piles, and cover plates are poured to lay cushion layers and geogrids to form an embankment pile system.
However, the plastic sleeve concrete pile still has the defects of construction process and material use during construction. Wherein in the work progress, the sleeve pipe can lead to the damage of sleeve pipe owing to the extrusion force of sleeve pipe outer wall soil body before concreting after the immersed tube is ended, arouses the phenomenon of intraductal soil body inflow and infiltration then. This phenomenon tends to seriously affect the progress and quality of construction. The common prevention and treatment method is to inject water in time after the pipe sinking is finished, and ensure that the water level in the pipe exceeds 2/3 of the depth of the pile. When the method needs two construction links of water filling and water pumping, the engineering quantity is increased seriously, and the construction efficiency is slowed down.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plastic sleeve inner wall supporting and protecting device in the construction process of a plastic sleeve concrete pile, which aims to overcome the defects of the prior art.
The purpose of the utility model is realized by the following technical scheme: an adjustable supporting and protecting device for the inner wall of a plastic sleeve comprises a central supporting rod, a supporting and protecting mechanism, a positioning sleeve ring, a vertical supporting rod, an oblique supporting rod, a displacement sleeve ring and a safety groove;
the central support rod is positioned in the center of the sleeve, the support protection mechanisms are provided with a plurality of groups which are respectively arranged at different heights of the central support rod, and at least more than three support protection mechanisms in each group are uniformly arranged along the circumferential direction of the central support rod; the supporting and protecting mechanism comprises a lateral supporting rod and a side wall supporting sheet, one end of the lateral supporting rod is hinged to the central supporting rod, the other end of the lateral supporting rod is hinged to the side wall supporting sheet, and the side wall supporting sheet is attached to the inner wall of the sleeve; the vertical supporting rods are arranged around the central supporting rod and fixed on the lateral supporting rods in the same vertical direction;
two sides of the upper end of the central supporting rod are provided with safety grooves, and the safety grooves are provided with first positioning latch teeth; the positioning sleeve ring and the displacement sleeve ring are sleeved on the safety groove, the positioning sleeve ring is positioned at the lower end of the displacement sleeve ring, the positioning sleeve ring is rotatably connected with the safety groove, second positioning latch teeth are arranged on two sides of the inner part of the positioning sleeve ring, and the second positioning latch teeth are meshed with the first positioning latch teeth; the displacement lantern ring is connected with the safe deposit box in a sliding mode, one end of the oblique supporting rod is fixed to the upper portion of the locating lantern ring, and the other end of the oblique supporting rod is hinged to the joint of the vertical supporting rod and the lateral supporting rod at the uppermost end.
Further, a bottom gasket is fixedly mounted at the bottom of the central support rod.
Furthermore, the supporting and protecting mechanisms are divided into three groups, the distance between each group is the same, the number of the supporting and protecting mechanisms in each group is three, and the included angles between the supporting and protecting mechanisms are 120 degrees.
The utility model has the beneficial effects that: the utility model adopts a telescopic support design to support the plastic sleeve, ensures the pressure balance inside and outside the sleeve, prevents the plastic sleeve from being extruded and damaged, and ensures the engineering quality. The utility model replaces the traditional supporting mode of water injection and water pumping by a side wall supporting method, thereby greatly reducing the construction process and the workload. The utility model has multi-section adjustable support range, can be suitable for supporting plastic sleeves with different calibers, is simple and convenient to operate, is easy to operate, and effectively improves the construction efficiency while reducing the construction cost. The design can be used for many times in engineering, and construction materials are effectively saved.
Drawings
Fig. 1 is a longitudinal sectional view of the overall structure of the plastic casing inner wall support protector according to the present invention.
Fig. 2 is a detailed view of the top structure of the plastic casing inner wall support protector in longitudinal section according to the present invention.
Fig. 3 is a detailed view of the bottom structure of the plastic casing inner wall support protector in longitudinal section according to the present invention.
Fig. 4-1 is a top view of the displacement collar.
Fig. 4-2 is an elevational cross-sectional view of a displacement collar segment.
Fig. 4-3 are side cross-sectional views of displacement collar segments.
Figure 5-1 is a top view of the position collar.
Fig. 5-2 is an elevational cross-sectional view of a portion of the position collar.
Fig. 5-3 are side cross-sectional views of a positioning collar segment.
Figure 6-1 is a cross-sectional top view of the safe.
Figure 6-2 is a front cross-sectional view of a portion of the safe.
Fig. 6-3 are side cross-sectional views of a portion of a safe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from a single embodiment of the utility model without inventive step, are within the scope of the utility model.
As shown in fig. 1, the adjustable supporting and protecting device for the inner wall of the plastic casing provided by the utility model comprises a central supporting rod 1, a supporting and protecting mechanism 2, a positioning lantern ring 3, a vertical supporting rod 4, an oblique supporting rod 5, a displacement lantern ring 6 and a safety slot 7;
the central support rod 1 is positioned in the center of the sleeve, a plurality of groups of the support protection mechanisms 2 are respectively arranged at different heights of the central support rod 1, and at least more than three support protection mechanisms 2 in each group are uniformly arranged along the circumferential direction of the central support rod 1; in the embodiment of the utility model, the supporting and protecting mechanisms 2 are divided into three groups, the distance between each group is the same, and the supporting and protecting mechanisms 2 in each group are three, and the included angle between each two groups is 120 degrees. The supporting and protecting mechanism 2 comprises a lateral supporting rod 2-1 and a lateral wall supporting piece 2-2, one end of the lateral supporting rod 2-1 is hinged to the central supporting rod 1, the other end of the lateral supporting rod is hinged to the lateral wall supporting piece 2-2, the lateral wall supporting piece 2-2 is attached to the inner wall of the sleeve, so that the inner wall of the sleeve is uniformly stressed, the lateral wall supporting piece 2-2 is hinged to the lateral supporting rod 2-1 and can freely rotate in the vertical direction, and the lateral wall supporting piece 2-2 can be well attached to the wall no matter the unfolding angle of the lateral supporting rod 2-1 is large; the vertical supporting rod 4 is arranged around the central supporting rod 1 and fixed on the lateral supporting rod 2-1 in the same vertical direction; and a bottom gasket 1-1 is fixedly arranged at the bottom of the central support rod 1.
Two sides of the upper end of the central support rod 1 are provided with safety slots 7, and the safety slots 7 are provided with first positioning latch teeth 7-1; the positioning lantern ring 3 and the displacement lantern ring 6 are both sleeved on the safety groove 7, the positioning lantern ring 3 is positioned at the lower end of the displacement lantern ring 6, the positioning lantern ring 3 is rotatably connected with the safety groove 7, second positioning latch teeth 3-1 are arranged on two sides of the inner part of the positioning lantern ring 3, and the second positioning latch teeth 3-1 are meshed with the first positioning latch teeth 7-1; the displacement lantern ring 6 is connected with the safe slot 7 in a sliding mode, one end of the oblique supporting rod 5 is fixed to the upper portion of the locating lantern ring 3, and the other end of the oblique supporting rod is hinged to the joint of the vertical supporting rod 4 and the lateral supporting rod 2-1 at the uppermost end.
The positioning lantern ring 3 can enable a second positioning latch 3-1 in the positioning lantern ring 3 and a first positioning latch 7-1 in a safety groove 7 to be meshed and separated through self-generated horizontal rotation, so that the displacement lantern ring 6 is fixed and released to move, the displacement lantern ring 6 moves to adjust the expansion angle of the lateral support rod 2-1 and the movement of the vertical support rod 4 through the oblique support rod 5, the expansion and contraction of the lateral wall support piece 2-2 are controlled, the lateral wall support piece 2-2 can press the wall of the plastic casing pipe to play a role in balancing the vertical pressure in the pipe and providing lateral support force, meanwhile, the device is suitable for more casings with different diameters through the adjustment of the displacement lantern ring 6, and the influence on construction quality due to the rotation of the displacement lantern ring 6 in the construction process can be prevented through the shape design of the inner section of the displacement lantern ring 6; the vertical supporting rods 4 are used for ensuring that all the side wall supporting sheets 2-2 keep the same unfolding degree; the safety groove 7 is used for limiting the adjusting range of the displacement lantern ring 3 so as to prevent the side wall of the sleeve from being damaged and the protection device from being unstable due to the fact that the side wall supporting piece 2-2 is excessively unfolded, and meanwhile the first positioning latch 7-1 on the safety groove 7 is matched with the second positioning latch 3-1 in the positioning lantern ring 3 to achieve positioning of the lateral supporting rod 2-1 at different stretching angles.
During construction, after the plastic sleeve is drilled, the plastic sleeve inner wall supporting and protecting device is firstly placed into the plastic sleeve, when the bottom gasket 1-1 is stably placed at the bottom of the pile toe, the positioning lantern ring 3 is horizontally rotated to enable the second positioning latch 3-1 inside the positioning lantern ring and the first positioning latch 7-1 in the safety groove 7 to be separated to be capable of vertically and freely moving, and at the moment, the displacement lantern ring 6 can vertically move in the safety groove 7. The position of the displacement sleeve ring 6 is adjusted according to the diameter of the sleeve, after the side wall supporting sheet 2-2 compresses the pipe wall, the positioning sleeve ring 3 is moved to the bottom of the displacement sleeve ring 6, the positioning sleeve ring is horizontally rotated to enable the second positioning latch 3-1 inside to be meshed with the first positioning latch 7-1 on the safety groove 7, the fixation of the displacement sleeve ring 6 is guaranteed, and the inner wall supporting and protecting device can play a role. When the plastic sleeve needs to be poured with concrete, the positioning sleeve ring 3 is rotated again until the positioning sleeve ring and the displacement sleeve ring 6 can vertically and freely move, the displacement sleeve ring 3 is moved upwards, the side wall support sheet 2-2 is retracted to the extent that the side wall support sheet can be conveniently taken out of the plastic sleeve, the positioning sleeve ring 3 is rotated back again, the displacement sleeve ring 6 is fixed, and the side wall support sheet 2-2 is prevented from being unfolded again in the moving process. After the integrated device is taken out of the plastic casing, the casing can be poured, and the device is placed in a new immersed tube to protect the plastic casing which is not poured yet.
The above-described embodiments are intended to illustrate rather than to limit the utility model, and any modifications and variations of the present invention are within the spirit of the utility model and the scope of the appended claims.
Claims (3)
1. An adjustable supporting protection device for the inner wall of a plastic sleeve is characterized by comprising a central supporting rod (1), a supporting protection mechanism (2), a positioning lantern ring (3), a vertical supporting rod (4), an oblique supporting rod (5), a displacement lantern ring (6) and a safety slot (7);
the central support rod (1) is positioned in the center of the sleeve, a plurality of groups of support protection mechanisms (2) are respectively arranged at different heights of the central support rod (1), and at least more than three support protection mechanisms (2) in each group are uniformly arranged along the circumferential direction of the central support rod (1); the supporting and protecting mechanism (2) comprises a lateral supporting rod (2-1) and a lateral wall supporting sheet (2-2), one end of the lateral supporting rod (2-1) is hinged to the central supporting rod (1), the other end of the lateral supporting rod is hinged to the lateral wall supporting sheet (2-2), and the lateral wall supporting sheet (2-2) is attached to the inner wall of the sleeve; the vertical supporting rods (4) are arranged around the central supporting rod (1) and fixed on the lateral supporting rods (2-1) in the same vertical direction;
the upper end of the central support rod (1) is provided with a safety groove (7), and two sides of the safety groove (7) are provided with first positioning clamping teeth (7-1); the positioning sleeve ring (3) and the displacement sleeve ring (6) are sleeved on the safety groove (7), the positioning sleeve ring (3) is located at the lower end of the displacement sleeve ring (6), the positioning sleeve ring (3) is rotatably connected with the safety groove (7), second positioning latch teeth (3-1) are arranged on two sides of the inner part of the positioning sleeve ring (3), and the second positioning latch teeth (3-1) are meshed with the first positioning latch teeth (7-1); the displacement lantern ring (6) is connected with the safe slot (7) in a sliding mode, one end of the oblique supporting rod (5) is fixed to the upper portion of the locating lantern ring (3), and the other end of the oblique supporting rod is hinged to the joint of the vertical supporting rod (4) and the lateral supporting rod (2-1) at the uppermost end.
2. The adjustable supporting and protecting device for the inner wall of the plastic casing pipe as claimed in claim 1, wherein a bottom gasket (1-1) is fixedly arranged at the bottom of the central supporting rod (1).
3. The adjustable supporting and protecting device for the inner wall of the plastic casing pipe as claimed in claim 1, wherein the supporting and protecting mechanisms (2) are three groups, the distance between each group is the same, and the supporting and protecting mechanisms in each group are three and form an included angle of 120 degrees with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883131.0U CN215715250U (en) | 2021-08-12 | 2021-08-12 | Adjustable support protection device for inner wall of plastic sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883131.0U CN215715250U (en) | 2021-08-12 | 2021-08-12 | Adjustable support protection device for inner wall of plastic sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215715250U true CN215715250U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121883131.0U Active CN215715250U (en) | 2021-08-12 | 2021-08-12 | Adjustable support protection device for inner wall of plastic sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215715250U (en) |
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2021
- 2021-08-12 CN CN202121883131.0U patent/CN215715250U/en active Active
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