CN221030111U - Inclined pile prestress pile sealing device - Google Patents
Inclined pile prestress pile sealing device Download PDFInfo
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- CN221030111U CN221030111U CN202322749613.2U CN202322749613U CN221030111U CN 221030111 U CN221030111 U CN 221030111U CN 202322749613 U CN202322749613 U CN 202322749613U CN 221030111 U CN221030111 U CN 221030111U
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- pile sealing
- fixed rod
- sealing device
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- 238000007789 sealing Methods 0.000 title claims abstract description 92
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a pile sealing device for prestressed inclined piles, which comprises a plurality of fixed rod pieces, pile sealing plates, a first movable fastener and a force application component; one end of each fixed rod piece is fixedly arranged on the crown beam, at least two fixed rod pieces penetrate through the pile sealing plate, and the pile sealing plate can move along the fixed rod pieces; the lower side of the pile sealing plate is used for being abutted against the end head of the inclined pile, and the force application component is used for applying force on the upper side of the pile sealing plate; when the acting force of the force application assembly on the pile sealing plate reaches a preset size, the pile sealing plate is locked and fixed on the fixed rod piece by the first movable fastener. The inclined pile prestress pile sealing device has the advantages of firmness, stability, reliability, flexibility, convenience, simple structure, low cost and the like.
Description
Technical Field
The utility model relates to the technical field of geotechnical engineering, in particular to a pile sealing device for prestressed inclined piles.
Background
The inclined pile foundation pit supporting technology can open-type soil excavation, reduce the soil excavation time, save the supporting construction time, accelerate the construction of an underground structure and reduce the construction cost.
The existing anchor rod static pressure inclined pile technology is characterized in that anchor rods/foundation bolts are pre-buried or implanted on a crown beam, and an anchor rod static pressure pile machine is installed on the crown beam through the anchor rods/foundation bolts, so that the inclined piles penetrate through reserved holes in the crown beam and are obliquely pressed into a stratum through the anchor rod static pressure pile machine. After the inclined piles are pressed into the stratum, filling and condensing gaps between the reserved holes of the crown beam and the inclined piles by using concrete slurry to completely fix the inclined piles; or pressing the inclined piles below the crown beams, installing a loose head between the crown beams and the inclined piles, connecting the inclined piles and the crown beams by using the loose head, and applying prestress to the inclined piles. The concrete is directly filled, coagulated and fixed to the inclined pile without prestressing force, and the movable head is arranged to apply prestressing force to the inclined pile, but the inclined pile is relatively weak and easy to be unstable.
Disclosure of utility model
Based on the above, the utility model aims to provide a firm, stable, reliable, flexible and convenient inclined pile pre-stress pile sealing device.
The utility model provides a stake prestressing force pile cover device, it includes many fixed bars, pile cover board, first movable fastener and application of force subassembly; one end of each fixed rod piece is fixedly arranged on the crown beam, at least two fixed rod pieces penetrate through the pile sealing plate, and the pile sealing plate can move along the fixed rod pieces; the lower side of the pile sealing plate is used for being abutted against the end head of the inclined pile, and the force application assembly is used for applying force on the upper side of the pile sealing plate; when the acting force of the force application assembly on the pile sealing plate reaches a preset size, the first movable fastener locks the pile sealing plate on the fixed rod piece.
In one embodiment, the force application assembly includes an end plate, a jack, and a second movable fastener; the end plates are arranged on at least two fixed rod pieces through the second movable fasteners, the jack is arranged between the end plates and the pile sealing plate, and the jack applies acting force on the upper side of the pile sealing plate.
In one embodiment, the fixing rod for mounting the end plate comprises an anchor rod and an extension rod, a first end of the anchor rod is used for being anchored on the crown beam, and a second end of the anchor rod is in threaded connection with the extension rod.
In one embodiment, the second end of the anchor rod is threadably coupled to the extension rod by a threaded sleeve.
In one embodiment, an external thread structure is arranged on the outer side of the fixed rod, the first movable fastener is a nut, and the first movable fastener is located on the upper side of the pile sealing plate and is in threaded connection with the fixed rod.
In one embodiment, an external thread structure is arranged on the outer side of the fixed rod piece, and the first movable fastener and the second movable fastener are nuts; the first movable fastener and the second movable fastener are in threaded connection with the fixed rod piece.
In one embodiment, the upper and lower sides of the tip plate are each provided with a second movable fastener.
In one embodiment, the pile sealing plate and the end plate are respectively fixed on at least 4 fixing rods.
Compared with the prior art, the inclined pile prestress pile sealing device has the following advantages:
Firm and reliable: when the pile is removed and the prestress is applied to the pile, the whole pile sealing device is positioned above the crown beam, the pile penetrates through the crown beam, and the pile sealing plate is abutted against and presses the end head of the pile. When the foundation pit is deep in excavation depth, the inclined piles are required to bear larger supporting force, so that the upper parts of the inclined piles are easy to generate the situation of offset unbalance, the pile sealing device can be suitable for the inclined pile penetrating through the inclined strut structure of the crown beam, the inclined piles penetrate through the crown beam, the inclined piles can be resisted by the circumference of the crown beam, and the circumferential supporting force is provided, so that the situation of offset unbalance of the inclined piles is avoided. In addition, the force application component applies acting force to the pile sealing plate, the pile sealing plate can compress the end head of the inclined pile, the pile sealing plate is locked on the fixed rod piece through the first movable fastener, and the pile sealing plate can uniformly and stably compress the inclined pile and apply prestress.
Flexible and convenient: in the process of excavating the foundation pit, the force can be applied to the pile sealing plate and the position of the first movable fastener can be adjusted through the force application assembly flexibly and repeatedly according to the condition of excavating and deforming the foundation pit, the pile sealing plate is locked and fixed, the prestressing force is applied to the inclined pile, and the deformation of the foundation pit is controlled.
Drawings
FIG. 1 is a schematic construction diagram of a pile sealing device using inclined piles according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of the pile sealing device after the pile sealing device is packaged;
100. A fixed rod piece; 110. an anchor rod; 120. extending the rod piece; 130. a threaded sleeve; 200. pile sealing plates; 300. a first movable fastener; 400. a force application assembly; 410. an end plate; 420. a jack; 430. a second movable fastener; 10. a crown beam; 20. and (5) inclined piles.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.
Referring to fig. 1, a pile pre-stressing pile-sealing device includes a plurality of fixing bars 100, a pile sealing plate 200, a first movable fastener 300, and a force application assembly 400; one end of each fixed rod piece 100 is fixedly arranged on the crown beam 10, at least two fixed rod pieces 100 penetrate through the pile sealing plate 200, and the pile sealing plate 200 can move along the fixed rod pieces 100; the lower side of the pile sealing plate 200 is used for abutting against the end head of the inclined pile 20, and the force application assembly 400 is used for applying force on the upper side of the pile sealing plate 200; when the force applied to the pile sealing plate 200 by the force application assembly 400 reaches a predetermined magnitude, the first movable fastener 300 locks the pile sealing plate 200 to the fixed link 100.
The inclined pile prestress pile sealing device has the following advantages:
firm and reliable: when the pile is removed and the pile 20 is prestressed by the pile prestressing device according to the embodiment, the whole pile sealing device is positioned above the crown beam 10, the pile 20 passes through the crown beam 10, and the pile sealing plate 200 abuts against and presses the end of the pile 20. When the excavation depth of the foundation pit is deeper, the inclined pile 20 needs to bear larger supporting force, so that the upper part of the inclined pile 20 is easy to generate offset unbalance, and the pile sealing device of the embodiment can be suitable for the inclined pile 20 penetrating through the inclined strut structure of the crown beam 10, the inclined pile 20 penetrating through the crown beam 10, and the inclined pile 20 can be resisted by the circumference of the crown beam 10 to provide circumferential supporting force, thereby avoiding the situation of offset instability of the inclined pile 20. In addition, the force application assembly 400 applies the acting force to the pile sealing plate 200, so that the pile sealing plate 200 presses the end of the inclined pile 20, and then the pile sealing plate 200 is locked on the fixed rod member 100 through the first movable fastener 300, so that the pile sealing plate 200 can uniformly and stably press the inclined pile 20 and apply prestress.
Flexible and convenient: in the process of excavating the foundation pit, according to the condition of excavating and deforming the foundation pit, the force application assembly 400 can be used for applying force to the pile sealing plate 200 and adjusting the position of the first movable fastener 300 flexibly for multiple times, the pile sealing plate 200 is locked and fixed, the prestressing force is applied to the inclined pile 20, and the deformation of the foundation pit is controlled.
Specifically, force application assembly 400 includes tip plate 410, jack 420, and second movable fastener 430; tip plate 410 is mounted on at least two fixed bars 100 by second movable fasteners 430, jack 420 is mounted between tip plate 410 and pile sealing plate 200, and jack 420 applies a force to the upper side of pile sealing plate 200. Wherein, the jack 420 comprises a base and a movable rod, after the end plate 410 is mounted on the fixed rod 100 through the second movable fastener 430, the base of the jack 420 is mounted on the end plate 410, and the movable rod of the jack 420 abuts against the pile sealing plate 200, and applies a force to the pile sealing plate 200 through the movable rod. The force application assembly 400 has the advantages of simple structure, convenient installation and convenient operation.
Preferably, referring to fig. 1, a fixing rod 100 for mounting a tip plate 410 includes an anchor rod 110 and an extension rod 120, a first end of the anchor rod 110 is for anchoring to a crown beam 10, and a second end of the anchor rod 110 is screw-coupled with the extension rod 120. When the inclined pile 20 is pressed into the stratum by adopting the anchor rod static pressure inclined pile technology, an anchor rod or an anchor bolt is embedded in the crown beam 10 and used for installing and fixing the anchor rod static pressure pile machine, the anchor rod or the anchor bolt embedded in the crown beam 10 can be directly and fully utilized and used as the anchor rod piece 110 after the inclined pile 20 is pressed in, the pile sealing plate 200 and the first movable fastener 300 are sleeved on the anchor rod or the anchor bolt embedded in the crown beam 10, the extension rod piece 120 is in threaded connection with the anchor rod piece 110, conditions are provided for installing the jack 420, the end plate 410 is installed on the extension rod piece 120 by using the second movable fastener 430 as an installation mode, the extension rod piece 120 can be correspondingly extended according to actual requirements, and the jack 420 is installed between the end plate 410 and the pile sealing plate 200. Therefore, the utilization of the pre-buried anchor rods or anchor bolts as the anchor rods 110 will greatly improve the construction efficiency and facilitate the construction.
Referring to fig. 1, the second end of the anchoring rod 110 is screwed with the extension rod 120 through the threaded sleeve 130, so that the connection is simple and convenient, the cost is low, and the detachment and the reuse are convenient.
Preferably, referring to fig. 1, the outer side of the fixing bar 100 is provided with an external screw structure, and the first movable fastener 300 and the second movable fastener 430 are nuts, and the first movable fastener 300 and the second movable fastener 430 are screw-coupled with the fixing bar 100. The first movable fastener 300 is positioned at the upper side of the pile sealing plate 200, and the pile sealing plate 200 is finally locked and fixed by rotating the first movable fastener 300.
Referring to fig. 1, as one embodiment, tip plate 410 is provided with second movable fasteners 430 on both the upper and lower sides. Tip plate 410 is firmly installed and fixed to fixing bar 100 by screwing up and down the second movable fasteners 430. Of course, the second movable fastener 430 may be provided only on the upper side of the end plate 410, to limit the end plate 410, and the jack 420 may abut against the pile sealing plate 200 to provide a supporting force for itself and the end plate 410.
Referring to fig. 1, pile sealing plate 200 and tip plate 410 are fixed to 4 fixing bars 100, respectively. The pile sealing plate 200 and the end plate 410 can share the fixed rod 100 or partially share the fixed rod 100, the shapes of the pile sealing plate 200 and the end plate 410 are preferably round or square regular shapes, mounting holes are respectively reserved at four corners or symmetrical positions of the pile sealing plate 200 and the end plate 410, and the fixed rod 100 respectively and correspondingly passes through the mounting holes, so that the pile sealing plate 200 and the end plate 410 are uniformly stressed in the pile sealing process, and the acting force provided for the inclined pile 20 is more stable.
Referring to fig. 2, after the pre-stressing and locking of the pile sealing plate 200 is completed, the force application assembly 400 may be removed, leaving only the pile sealing plate 200 and the first movable fastener 300 to compress the top of the batter pile 20.
The inclined pile prestress pile sealing device is simple in structure, detachable and reusable, and low in cost. Is suitable for the technical field of geotechnical engineering including but not limited to foundation pit support, side slope support and the like.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The inclined pile prestress pile sealing device is characterized by comprising a plurality of fixed rod pieces, pile sealing plates, a first movable fastener and a force application component; one end of each fixed rod piece is fixedly arranged on the crown beam, at least two fixed rod pieces penetrate through the pile sealing plate, and the pile sealing plate can move along the fixed rod pieces; the lower side of the pile sealing plate is used for being abutted against the end head of the inclined pile, and the force application assembly is used for applying force on the upper side of the pile sealing plate; when the acting force of the force application assembly on the pile sealing plate reaches a preset size, the first movable fastener locks the pile sealing plate on the fixed rod piece.
2. The pile pre-stressing pile-sealing device according to claim 1, characterized in that the force application assembly comprises an end plate, a jack and a second movable fastener; the end plates are arranged on at least two fixed rod pieces through the second movable fasteners, the jack is arranged between the end plates and the pile sealing plate, and the jack applies acting force on the upper side of the pile sealing plate.
3. A batter pile pre-stressing pile sealing device according to claim 2, characterised in that the fixing bars for mounting the end plates comprise anchor bars and extension bars, the first ends of the anchor bars being for anchoring to the crown bar and the second ends of the anchor bars being in threaded connection with the extension bars.
4. A batter pile pre-stressing pile sealing device according to claim 3, characterised in that the second end of the anchor rod is threadedly connected to the elongate rod by a threaded sleeve.
5. The pile pre-stressing pile sealing device according to claim 1, wherein an external thread structure is arranged on the outer side of the fixed rod member, the first movable fastening member is a nut, and the first movable fastening member is located on the upper side of the pile sealing plate and is in threaded connection with the fixed rod member.
6. The pile pre-stressing pile sealing device according to claim 2, wherein the outer side of the fixed rod piece is provided with an external thread structure, and the first movable fastener and the second movable fastener are nuts; the first movable fastener and the second movable fastener are in threaded connection with the fixed rod piece.
7. The pile pre-stressing pile sealing device according to claim 6, characterized in that the upper and lower sides of the end plate are provided with second movable fasteners.
8. A batter pile pre-stressing pile sealing device according to claim 2, characterised in that the pile sealing plate and the end plate are fixed to at least 4 of the fixing bars, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322749613.2U CN221030111U (en) | 2023-10-13 | 2023-10-13 | Inclined pile prestress pile sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322749613.2U CN221030111U (en) | 2023-10-13 | 2023-10-13 | Inclined pile prestress pile sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221030111U true CN221030111U (en) | 2024-05-28 |
Family
ID=91187694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322749613.2U Active CN221030111U (en) | 2023-10-13 | 2023-10-13 | Inclined pile prestress pile sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221030111U (en) |
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2023
- 2023-10-13 CN CN202322749613.2U patent/CN221030111U/en active Active
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