CN213358613U - Pulling device for steel pipe slope protection pile - Google Patents
Pulling device for steel pipe slope protection pile Download PDFInfo
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- CN213358613U CN213358613U CN202022007132.0U CN202022007132U CN213358613U CN 213358613 U CN213358613 U CN 213358613U CN 202022007132 U CN202022007132 U CN 202022007132U CN 213358613 U CN213358613 U CN 213358613U
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- slope protection
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Abstract
The utility model relates to a pulling device for a steel pipe slope protection pile, which relates to the technical field of steel pipe slope protection piles, it is including placing the base on the soil layer, set up the through-hole that supplies the steel-pipe pile to pass on the base, base length direction's both ends are equipped with the jack, the jack sets up along vertical direction, the one end that the base was kept away from to the jack is equipped with lifting frame, lifting frame is including the lifting plate and the connecting rod of fixed connection on the bottom surface under the lifting plate that are located the jack top, the connecting rod sets up along vertical direction, the connecting rod is kept away from in lifting plate one end stretches into the steel-pipe pile, waist type hole has been seted up along length direction on the connecting rod, waist type hole runs through the axis of connecting rod, the downthehole level of waist type is inserted and is equipped with the lifting lever, treat to play to pull up to be equipped with on the steel-pipe pile and pull out the hole, it is a. The utility model has the advantages of it is short, the efficiency of construction is high to have pulled out consuming time.
Description
Technical Field
The utility model belongs to the technical field of the technique of steel pipe slope protection stake and specifically relates to a pull-out device for steel pipe slope protection stake.
Background
In the process of urban building foundation pit construction, the recyclable steel pipe slope protection pile is used as a novel support form in the support process of foundation pit engineering, and the steel pipe pile is generally pulled out through pulling a pulling hole in the steel plate pile. The recyclable steel pipe slope protection pile occupies a small area during construction, has high self rigidity, is manufactured in a factory, can shorten construction time on site, and has the advantage of being recyclable.
The existing method for recovering the steel pipe slope protection pile disclosed in the Chinese patent with the publication number of CN108457273A is characterized in that when a steel pipe slope protection pile is pulled out, a pile extractor is used for pulling the steel pipe slope protection pile up by 1m, when the oil pressure gauge of the pile extractor obviously drops back and is maintained at 0.1-0.3 Mpa, a crane is used for pulling the steel pipe slope protection pile out through a pulling hole of the steel pipe slope protection pile and backfilling the pile hole with plain soil. If the oil pressure gauge of the pile extractor does not fall back and is maintained under the high pressure condition, an excavator breaking hammer is required to apply a vibration force to a pile top vibration point of the steel pipe slope protection pile to break cement stones formed by hardening cement paste and separate the cement stones from the steel pipe slope protection pile, the excavator breaking hammer is required to vibrate the four pile top vibration points respectively for 200-400 times, the vibration time is not less than 10min, the steel pipe slope protection pile is pulled up by the pile extractor after dropping for 0.5m, the pile extractor oil pressure gauge has obvious fall back and is maintained at 0.1-0.3 Mpa, if the oil pressure gauge does not fall back, the excavator breaking hammer is recycled to vibrate the four pile top vibration points respectively for 200-400 times, the vibration time is not less than 10min, the steel pipe slope protection pile is dropped for 0.5m, the pile extractor is used to pull up the steel pipe slope protection pile for 1m height until the oil pressure gauge of the pile extractor has obvious fall back and is maintained at 0.1-0.3 Mpa, and finally, pulling the steel pipe slope protection pile out through the pulling hole of the steel pipe slope protection pile by using a crane and backfilling the pile hole by using plain soil.
Although the steel pipe slope protection pile can be pulled out, the oil pressure gauge of the pile pulling machine needs to be observed every time the pile is pulled out, and the operation is readjusted according to the oil pressure gauge number, so that the operation time for pulling the steel pipe slope protection pile is long, and the construction efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a pull-out device for steel pipe protects stake, it has consuming time shorter, advantage that the efficiency of construction is high.
The above object of the present invention can be achieved by the following technical solutions:
a pulling device for a steel pipe slope protection pile comprises a base placed on a soil layer, a through hole for the steel pipe pile to pass through is formed in the base, jacks are arranged at two ends of the base in the length direction and are arranged along the vertical direction, a lifting frame is arranged at one end of each jack far away from the base, the lifting frame comprises a lifting plate positioned at the top end of the jack and a connecting rod fixedly connected to the lower bottom surface of the lifting plate, the connecting rod is arranged along the vertical direction, one end of the connecting rod, which is far away from the lifting plate, extends into the steel pipe pile, the connecting rod is provided with a waist-shaped hole along the length direction, the waist-shaped hole penetrates through the axis of the connecting rod, a lifting lever is horizontally inserted into the waist-shaped hole, a pulling hole is arranged on the steel pipe pile to be pulled, the pulling hole is in a straight shape, the pulling hole penetrates through the axis of the steel pipe pile to be pulled, and the lifting lever penetrates through the pulling hole.
Through adopting above-mentioned technical scheme, place the base on the soil layer, insert the connecting rod in the steel-pipe pile, insert the lifting lever again, the lifting lever inserts the hole of pulling out of steel-pipe pile, pass the waist type hole on the connecting rod again, pull out the hole from pulling out of the other end at last, thereby link to each other hoisting frame with the steel-pipe pile, then the jack begins work, the steel-pipe pile can be raised in step to the jack when promoting hoisting frame, make hoisting frame rise along vertical direction, thereby it raises to drive the lifting lever position, thereby extract the steel-pipe pile from the soil layer, it is short consuming time, the advantage that the efficiency of construction is high.
The utility model discloses further set up to: and the two ends of the lifting lever are in threaded connection with fastening blocks, and the fastening blocks are abutted to the outer wall of the steel pipe pile.
Through adopting above-mentioned technical scheme, the position that the fastening block had restricted the promotion thick stick is favorable to promoting the thick stick at initial position's stability, has improved the stability of pulling out the in-process.
The utility model discloses further set up to: and an elastic buffer layer is arranged on one side surface of the fastening block, which is abutted against the steel pipe pile.
Through adopting above-mentioned technical scheme, at the in-process that promotes the thick stick tip with the fastening block screw in, elastic buffer layer and steel-pipe pile outer wall conflict and take place deformation, the elastic buffer layer that produces deformation has certain extrusion force to the fastening block, be favorable to the fastening block and promote thick stick threaded connection's stability, reduce the fastening block take place with the circumstances that promotes the thick stick separation, in addition, elastic buffer layer texture is softer, reduce the friction on fastening block and steel-pipe pile surface, thereby the possibility that the steel-pipe pile surface was scraped to the fastening block has been reduced.
The utility model discloses further set up to: the both ends of lifting plate length direction all are equipped with the staple bolt of a semi-circular ring type, two the staple bolt opening sets up relatively, two the open-ended both ends of staple bolt all are provided with the connecting plate, are located two of staple bolt homonymy the connecting plate is parallel to each other to screw up the connection through fastening bolt.
Through adopting above-mentioned technical scheme, the steel-pipe pile is held tightly to two staple bolts, also has certain frictional force between staple bolts and the steel-pipe pile to with steel-pipe pile rigidity, also provide certain pull-out power to the steel-pipe pile, improved the stability of pulling out the in-process.
The utility model discloses further set up to: the lifting plate is characterized in that a sliding groove is formed in the lower bottom surface of the lifting plate and is arranged along the length direction of the lifting plate, a sliding block is connected in the sliding groove in a sliding mode, and the sliding block is fixedly connected with the connecting plate.
Through adopting above-mentioned technical scheme, along spout length direction slip slider, can make two staple bolts press from both sides tightly or relax, the staple bolt links to each other with the lift plate, need not to take off the staple bolt and can adjust the staple bolt, has reduced the possibility that the staple bolt loses.
The utility model discloses further set up to: the both ends of lifting plate length direction all are equipped with piston cylinder, piston cylinder's telescopic link sets up along lifting plate length direction, lies in with one side the staple bolt is with piston cylinder's telescopic link fixed connection.
Through adopting above-mentioned technical scheme, piston cylinder promotes the staple bolt to make two staple bolts press from both sides tight steel-pipe pile or loosen the steel-pipe pile, reduced operator's manual operation, improved the efficiency of construction, piston cylinder also can produce certain extrusion force to the steel-pipe pile simultaneously, thereby also can provide the power of pulling out of steel-pipe pile, be favorable to the stable extraction of steel-pipe pile.
The utility model discloses further set up to: the base includes bottom plate and lifter plate, the equal vertical extension cylinder that is equipped with in bottom plate four corners, the telescopic link that extends the cylinder and the bottom surface fixed connection of lifter plate, four extend the cylinder linkage.
Through adopting above-mentioned technical scheme, extend the distance between adjustable lifter plate of cylinder and the bottom plate to can adjust the whole height of base, make the pull-out device can adapt to the different steel pipe slope protection stake of multiple length, improved the application scope of pull-out device.
The utility model discloses further set up to: and a stabilizing rod is arranged on the lower bottom surface of the bottom plate, and one end of the stabilizing rod, which is far away from the bottom plate, is inserted into the soil layer.
Through adopting above-mentioned technical scheme, when placing the bottom plate, firm pole inlays in the soil horizon, has improved the stability of pull-out device on the soil horizon, has improved the stability of pull-out in-process.
To sum up, the utility model discloses a beneficial technological effect does:
1. the lifting frame is lifted by the jack, so that the position of the steel pipe pile is lifted until the steel pipe pile is pulled out, and the method has the advantages of short time consumption and high construction efficiency;
2. the two hoops hold the steel pipe pile tightly, and a certain friction force is also generated between the hoops and the steel pipe pile, so that the position of the steel pipe pile is fixed, a certain pulling force is provided for the steel pipe pile, and the stability in the pulling process is improved;
3. the whole height of the base is adjustable, so that the pulling device can adapt to steel pipe slope protection piles with different lengths, and the application range of the pulling device is widened.
Drawings
FIG. 1 is a schematic overall structure diagram of a pulling device for a steel pipe slope protection pile in the embodiment;
FIG. 2 is a cross-sectional view of a pulling apparatus for a steel pipe slope protection pile;
fig. 3 is an exploded view of the hoisting frame and the steel pipe pile.
In the figure, 1, a base; 11. a base plate; 111. a stabilizing rod; 12. a lifting plate; 13. an extension cylinder; 14. a through hole; 2. a jack; 3. lifting the frame; 31. a lifting plate; 311. a chute; 312. a slider; 32. a connecting rod; 321. a kidney-shaped hole; 33. hooping; 331. a connecting plate; 332. fastening a bolt; 333. a piston cylinder; 4. a lifting bar; 41. a fastening block; 42. an elastic buffer layer; 5. steel pipe piles; 51. and (6) pulling the hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a pull-out device for steel pipe pile that protects slope, including placing bottom plate 11 on the soil layer, be equipped with firm pole 111 under the bottom plate 11 on the bottom surface, firm pole 111 is kept away from 11 one ends of bottom plate and is the taper, 11 four corners fixedly connected with of bottom plate extend cylinder 13, and the telescopic link that extends cylinder 13 sets up along vertical direction, extends cylinder 13's telescopic link and lifter plate 12's lower bottom surface fixed connection, four extend cylinder 13 linkages. The telescopic rod of the extension cylinder 13 stretches out and draws back and drives the lifting plate 12 to move along the vertical direction, so that the distance between the lifting plate 12 and the bottom plate 11 is adjusted, the overall height of the base 1 can be adjusted, the pulling-out device can adapt to the steel pipe piles 5 with different lengths, and the application range of the pulling-out device is enlarged.
Referring to fig. 1 and 2, two jacks 2 are arranged on the upper surface of the lifting plate 12, the two jacks 2 are located at two ends of the lifting plate 12 in the length direction, and the jacks 2 are arranged in the vertical direction. Lifting plate 31 has been placed to 2 upper ends of jack, the cylindric connecting rod 32 of bottom surface fixedly connected with under lifting plate 31, connecting rod 32 sets up along vertical direction, connecting rod 32 is kept away from lifting plate 31 one end and is stretched into in steel-pipe pile 5, waist type hole 321 has been seted up along vertical direction on the connecting rod 32, waist type hole 321 pulls out hole 51 intercommunication with what steel-pipe pile 5 played, be equipped with lifting lever 4 in the waist type hole 321, 4 one ends of lifting lever are inserted and are pulled out hole 51, pass waist type hole 321, and pull out hole 51 department from playing of opposite side and wear out, thereby link to each other connecting rod 32 with steel-pipe pile 5.
Referring to fig. 2 and 3, fastening blocks 41 are screwed to both ends of the lifting bar 4, a rubber elastic buffer layer 42 is disposed on one side surface of the fastening block 41 close to the steel pipe pile 5, and the elastic buffer layer 42 abuts against the outer wall of the steel pipe pile 5. The fastening block 41 limits the position of the lifting bar 4, which is beneficial to the stability of the lifting bar 4 at the initial position and improves the stability in the pulling process.
Referring to fig. 2 and 3, the two ends of the length direction of the lower bottom surface of the lifting plate 31 are provided with piston cylinders 333, the telescopic rods of the piston cylinders 333 are arranged along the length direction of the lifting plate 31, the telescopic rod of each piston cylinder 333 is fixedly connected with a semi-circular ring-shaped hoop 33, the openings of the two hoops 33 are arranged oppositely, the two ends of the openings of the hoops 33 are provided with connecting plates 331, the surfaces of the two connecting plates 331 on the same side of the hoop 33 are parallel to each other and are screwed up and connected through fastening bolts 332. Each connecting plate 331 is fixedly connected with a sliding block 312, two sliding grooves 311 are formed in the lower bottom surface of the lifting plate 31, the sliding grooves 311 are formed along the length direction of the lifting plate 31, and the sliding blocks 312 are slidably connected with the sliding grooves 311. Two staple bolts 33 hold tightly steel-pipe pile 5, also have certain frictional force between staple bolt 33 and the steel-pipe pile 5 to with steel-pipe pile 5 fixed position, also provide certain pull-out power to steel-pipe pile 5, improved the stability of pulling out the in-process.
The implementation principle of the embodiment is as follows: placing the bottom plate 11 on a soil layer, embedding the stabilizing rod 111 into the soil layer, enabling the steel pipe pile 5 to penetrate through the through hole 14 and extend out, then inserting the connecting rod 32 into the steel pipe pile 5, then inserting the lifting lever 4, inserting one end of the lifting lever 4 into the pulling hole 51, penetrating through the waist-shaped hole 321, and penetrating out from the pulling hole 51 on the other side, thereby connecting the connecting rod 32 with the steel pipe pile 5, and screwing the fastening blocks 41 at two ends of the lifting lever 4, so that the position of the lifting lever 4 is fixed. Then, the piston cylinder 333 is opened, the piston cylinder 333 pushes the two anchor ears 33 to hold the steel pipe pile 5 tightly, the two anchor ears 33 are screwed by the fastening bolts 332, then the jack 2 starts to work, the lifting plate 31 is pushed to ascend along the vertical direction, and therefore the position of the steel pipe pile 5 is driven to be lifted continuously until the steel pipe pile 5 is pulled out from the soil layer.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a pull-out device for steel pipe slope protection stake which characterized in that: the lifting device comprises a base (1) placed on a soil layer, a through hole (14) for a steel pipe pile (5) to penetrate through is formed in the base (1), jacks (2) are arranged at two ends of the base (1) in the length direction, the jacks (2) are arranged in the vertical direction, a lifting frame (3) is arranged at one end, far away from the base (1), of each jack (2), each lifting frame (3) comprises a lifting plate (31) located at the top end of each jack (2) and a connecting rod (32) fixedly connected to the lower bottom surface of each lifting plate (31), each connecting rod (32) is arranged in the vertical direction, one end, far away from each lifting plate (31), of each connecting rod (32) extends into the corresponding steel pipe pile (5), a waist-shaped hole (321) is formed in the connecting rod (32) in the length direction, the waist-shaped hole (321) penetrates through the axis of each connecting rod (32), and a lifting lever (4) is horizontally inserted into, the steel pipe pile (5) to be pulled out is provided with a pulling hole (51), the pulling hole (51) is in a straight shape, the pulling hole (51) penetrates through the axis of the steel pipe pile (5) to be pulled out, and the lifting lever (4) penetrates through and is inserted into the pulling hole (51).
2. The pulling device for the steel pipe slope protection pile according to claim 1, wherein: and the two ends of the lifting lever (4) are in threaded connection with fastening blocks (41), and the fastening blocks (41) are abutted to the outer wall of the steel pipe pile (5).
3. The pulling device for the steel pipe slope protection pile according to claim 2, wherein: and an elastic buffer layer (42) is arranged on one side surface of the fastening block (41) which is abutted against the steel pipe pile (5).
4. The pulling device for the steel pipe slope protection pile according to claim 1, wherein: the both ends of lifting plate (31) length direction all are equipped with staple bolt (33) of a semi-circular ring type, two staple bolt (33) opening sets up relatively, two staple bolt (33) open-ended both ends all are provided with connecting plate (331), are located staple bolt (33) homonymy two connecting plate (331) are parallel to each other to screw up the connection through fastening bolt (332).
5. The pulling device for the steel pipe slope protection pile according to claim 4, wherein: the lifting plate is characterized in that a sliding groove (311) is formed in the lower bottom surface of the lifting plate (31), the sliding groove (311) is formed in the length direction of the lifting plate (31), a sliding block (312) is connected in the sliding groove (311) in a sliding mode, and the sliding block (312) is fixedly connected with a connecting plate (331).
6. The pulling device for the steel pipe slope protection pile according to claim 5, wherein: the both ends of lifting plate (31) length direction all are equipped with piston cylinder (333), the telescopic link of piston cylinder (333) sets up along lifting plate (31) length direction, lies in with one side staple bolt (33) and piston cylinder (333)'s telescopic link fixed connection.
7. The pulling device for the steel pipe slope protection pile according to claim 1, wherein: base (1) includes bottom plate (11) and lifter plate (12), bottom plate (11) four corners is equal vertical to be equipped with and extends cylinder (13), extend the telescopic link of cylinder (13) and the bottom surface fixed connection of lifter plate (12), four extend cylinder (13) linkage.
8. The pulling device for the steel pipe slope protecting pile according to claim 7, wherein: the lower bottom surface of the bottom plate (11) is provided with a stabilizing rod (111), and one end, far away from the bottom plate (11), of the stabilizing rod (111) is inserted into the soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022007132.0U CN213358613U (en) | 2020-09-14 | 2020-09-14 | Pulling device for steel pipe slope protection pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022007132.0U CN213358613U (en) | 2020-09-14 | 2020-09-14 | Pulling device for steel pipe slope protection pile |
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| Publication Number | Publication Date |
|---|---|
| CN213358613U true CN213358613U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022007132.0U Active CN213358613U (en) | 2020-09-14 | 2020-09-14 | Pulling device for steel pipe slope protection pile |
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| CN (1) | CN213358613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030159A (en) * | 2022-08-01 | 2022-09-09 | 江苏建研建设工程质量安全鉴定有限公司 | Device for pulling out obstacle pile and operation method |
-
2020
- 2020-09-14 CN CN202022007132.0U patent/CN213358613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030159A (en) * | 2022-08-01 | 2022-09-09 | 江苏建研建设工程质量安全鉴定有限公司 | Device for pulling out obstacle pile and operation method |
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