CN114182725B - Recoverable partial prestressed concrete support pile with prestress adjustable steel bars - Google Patents
Recoverable partial prestressed concrete support pile with prestress adjustable steel bars Download PDFInfo
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- CN114182725B CN114182725B CN202210068122.9A CN202210068122A CN114182725B CN 114182725 B CN114182725 B CN 114182725B CN 202210068122 A CN202210068122 A CN 202210068122A CN 114182725 B CN114182725 B CN 114182725B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
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Abstract
The utility model relates to the field of building construction, in particular to a partially prestressed concrete support pile with recyclable prestressed adjustable steel bars, which comprises a first guide slide block, a transmission device, a limiting device, common steel bars, a plastic pipe, a supporting device, prestressed steel bars and a metal corrugated pipe, wherein the transmission device for limiting is rotatably clamped on the inner end surface of the limiting device in a rotating mode, the inner end surface of the limiting device is connected with four groups of first guide slide blocks through the transmission device in a threaded mode, and the inner end surface of each first guide slide block is connected with the prestressed steel bars through threads. The prestress adjustable prestressed pile is adjustable, and the prestress of the pile body can be adjusted by adjusting the tension of the prestressed reinforcement according to the stress of the support pile, so that the bending resistance bearing capacity and the cracking bending moment of the support pile are adjusted.
Description
Technical Field
The utility model relates to the technical field of building construction equipment, in particular to a partially prestressed concrete support pile with recyclable prestress adjustable steel bars.
Background
The utility model discloses a supporting pile structure capable of adjusting prestress according to Chinese patent number CN201921904672.X, which comprises a supporting pile body, a fixing mechanism, a connecting piece, a first connecting rod, a reinforcing pier, a reinforcing mechanism, a second connecting rod and an adjusting mechanism, wherein the fixing mechanism is arranged at the bottom of the supporting pile body, the first connecting rod is fixedly connected to the top of the supporting pile body through the connecting piece, the second connecting rod is fixedly connected to one side, far away from the connecting piece, of the first connecting rod through the adjusting mechanism, and the reinforcing mechanism is arranged on one side, far away from the adjusting mechanism, of the second connecting rod. According to the utility model, through the mutual matching of the supporting pile body, the fixing mechanism, the connecting piece, the first connecting rod, the reinforcing pier, the reinforcing mechanism, the second connecting rod and the adjusting mechanism, the supporting pile structure with adjustable prestress is realized, the prestress of the supporting pile can be conveniently adjusted, the prestress of the supporting pile can be adjusted according to the requirement, the operation is simple, time and labor are saved, and therefore, the device is more widely applied.
The utility model discloses a supporting pile structure capable of adjusting prestress and a construction method thereof according to the Chinese patent number CN201710618781.4, wherein the supporting pile structure comprises a supporting pile body, an anchor rope, a prestress device for applying tension and a bottom plate horizontally arranged on a soil body; the supporting pile body is formed by pouring concrete, a reinforcement cage for fixing an anchor cable is arranged in the supporting pile body, and the reinforcement cage is of a net-shaped metal body structure formed by mutually fixing a plurality of criss-cross reinforcements; the supporting pile body is fixedly arranged on the edge of a soil body; the anchor cable is arranged in the support pile body and fixedly connected with the reinforcement cage. The anchor cable and the reinforcement cage are embedded in the support pile together, so that the bearing capacity of the support pile to a soil body can be improved; the free section of the anchor cable is of an arch structure, and the prestress on the anchor cable can be adjusted in real time according to the load condition borne by the soil body, so that the surrounding environment and the construction safety are well protected. The utility model also has the advantages of simple structure, easy implementation and good supporting effect.
The application of the support pile in foundation pit engineering is very extensive to bear horizontal shear force and bending moment, but except that the steel plate support pile can be recycled, all the other support piles or members thereof can not be recycled, and then the support pile causes great waste when being constructed, and simultaneously after the prestressed reinforcement is positioned and completed, the position of the prestressed reinforcement can not be finely adjusted, so that the convenience of subsequent use is reduced.
Disclosure of Invention
The utility model aims to provide a partially prestressed concrete support pile with recyclable prestressed adjustable steel bars, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a partially prestressed concrete support pile with recoverable prestressed adjustable steel bars comprises a first guide slide block, a transmission device, a limiting device, ordinary steel bars, a plastic pipe, a supporting device, prestressed steel bars and a metal corrugated pipe,
the limiting device is characterized in that a transmission device used for limiting is rotatably clamped on the inner end face of the limiting device, four groups of first guide sliding blocks are connected to the inner end face of the limiting device through transmission device threads, prestressed steel bars are connected to the inner end face of each first guide sliding block through threads, a plastic pipe is fixedly clamped on the lower end face of the limiting device opposite to the prestressed steel bars, four groups of common steel bars are fixedly connected to the inner end face of the limiting device in an even and equidistant mode, a supporting device is fixedly connected to the limiting device through the common steel bars and the plastic pipe, and the bottom of the prestressed steel bars is in threaded connection with the supporting device.
The first guide sliding block comprises a threaded lantern ring, a guide sliding plate, a fixed sliding block and a threaded sleeve;
the side end face of the fixed sliding block is symmetrically and fixedly provided with a guide sliding plate, a threaded lantern ring is fixedly connected to the center of the inner end face of the fixed sliding block, and a threaded sleeve is fixedly clamped on the front end face of the fixed sliding block;
the transmission device comprises a positioning handle, a supporting guide rod and a connecting fluted disc;
a support guide rod is fixedly connected to the center of the lower end face of the positioning handle, and a connecting fluted disc is fixedly connected to the center of the lower end face of the support guide rod;
the limiting device comprises a connecting device, a positioning jack, a supporting shell, a connecting rotary groove, a fixed sliding groove, a guide sliding rod and a fixed clamping groove;
the upper end face of the supporting shell is uniformly and equidistantly provided with four groups of positioning jacks for positioning, the inner end face of the supporting shell is uniformly and equidistantly provided with four groups of fixed chutes, the side end faces of the fixed chutes are symmetrically and fixedly provided with three groups of guide slide bars, the center of the inner end face of the supporting shell is provided with a fixed clamping groove, the fixed chutes and the fixed clamping grooves are communicated and connected through connecting rotary grooves, and the inner end face of the supporting shell is uniformly and equidistantly rotatably clamped with four groups of connecting devices through the connecting rotary grooves;
the connecting device comprises a fixed gear, a clamping rotating ring and a connecting screw rod;
a connecting screw is fixedly arranged at the center of the side end face of the fixed gear, and a clamping rotary ring is fixedly arranged on the outer end face of the connecting screw close to the fixed gear;
the supporting device comprises a supporting guide groove, a pile tip, a supporting clamping seat, a fixed sliding rod, a mounting hole and a second guiding sliding block;
the pile supporting device is characterized in that a pile point is fixedly mounted at the center of the lower end face of the supporting clamping seat, four groups of mounting holes are formed in the upper end face of the supporting clamping seat at uniform equal intervals, four groups of supporting guide grooves are formed in the inner end face of the supporting clamping seat at uniform equal intervals, three groups of fixed sliding rods are symmetrically and fixedly mounted on the inner end face of the supporting guide grooves at uniform equal intervals, and four groups of second guide sliding blocks are connected to the inner end face of the supporting clamping seat in a sliding manner through the supporting guide grooves and the fixed sliding rods at uniform equal intervals.
Preferably, the bottom of the threaded lantern ring is through, the bottom of the second guide sliding block is closed, the first guide sliding block and the supporting device are fixedly connected through a plastic pipe, and the first guide sliding block and the second guide sliding block are both in threaded connection with the outer portion of the prestressed reinforcement.
Preferably, location jack and mounting hole all with ordinary reinforcing bar looks adaptation, just stop device and strutting arrangement carry out fixed connection through location jack and mounting hole and then with ordinary reinforcing bar.
Preferably, three groups of fixing grooves are uniformly and equidistantly formed in the inner end face of the guide sliding plate, the guide sliding rod is matched with the fixing grooves, and the first guide sliding block is matched with the fixing grooves through the guide sliding rod and then is in sliding clamping connection with the inner end face of the limiting device.
Preferably, the first guide sliding block is matched with the connecting screw rod through a threaded sleeve and then is in threaded sliding connection with the inner end face of the fixed sliding chute.
Preferably, the transmission device is rotatably clamped on the inner end face of the fixed clamping groove through the support guide rod.
Preferably, the connecting device is in meshing connection with the upper end face of the connecting fluted disc through the fixed gear.
Preferably, the inner end face of the connecting rotating groove is provided with a clamping rotating groove at a position close to the fixed clamping groove, and the fixed gear is not in contact with the inner wall of the fixed clamping groove.
Preferably, the connecting device is matched with the clamping rotating ring through the clamping rotating groove so as to be rotationally clamped on the inner end face of the supporting shell.
Preferably, the lower end face of the first guide sliding block is fixedly clamped with a metal corrugated pipe right opposite to the prestressed reinforcement, and the lower end face of the first guide sliding block is fixedly connected with the second guide sliding block through the metal corrugated pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the prestress can be adjusted, and the prestress stress to the pile body and the bending resistance bearing capacity and the cracking bending moment of the support pile can be adjusted by adjusting the tension of the prestressed reinforcement according to the stress of the support pile.
And secondly, the prestressed reinforcement can be recycled, and after the foundation pit engineering is finished, the prestressed reinforcement is recycled under the condition that the supporting pile is not loaded any more, so that the prestressed reinforcement is reused, the cost is reduced, and the economic benefit is improved.
And thirdly, the consumption of the common reinforcing steel bars is saved, and when the support pile is designed and produced, the reinforcing steel bars are configured according to the stress requirement of the support pile and the stress requirement in the processes of hoisting, transporting and sinking the column, so that the practicability and the accuracy of the common reinforcing steel bars are improved.
Drawings
FIG. 1 is an exploded view of a body of the present invention;
FIG. 2 is a front view of the body of the present invention;
FIG. 3 is a cross-sectional view of the body of the present invention taken along elevation A-A;
FIG. 4 is an enlarged view of a portion of the main body I of the present invention;
FIG. 5 is a partial enlarged view of the main body II of the present invention;
FIG. 6 is a schematic structural view of a first guide slider according to the present invention;
FIG. 7 is a schematic view of the transmission of the present invention;
FIG. 8 is an exploded view of the spacing device of the present invention;
FIG. 9 is a schematic view of a connecting device according to the present invention;
FIG. 10 is an exploded view of the support device of the present invention;
FIG. 11 is an assembly view of the support device of the present invention;
fig. 12 is a schematic structural diagram of a second embodiment of the main body of the present invention.
In the figure: 1-a first guide slide block, 2-a transmission device, 3-a limiting device, 4-a common steel bar, 5-a plastic pipe, 6-a supporting device, 7-a prestressed steel bar, 8-a metal corrugated pipe, 11-a threaded lantern ring, 12-a guide sliding plate, 13-a fixed slide block, 14-a threaded sleeve, 21-a positioning handle, 22-a supporting guide rod, 23-a connecting fluted disc, 31-a connecting device, 32-a positioning jack, 33-a supporting shell, 34-a connecting rotary groove, 35-a fixed sliding groove, 36-a guide slide rod, 37-a fixed clamping groove, 311-a fixed gear, 312-a clamping rotary ring, 313-a connecting screw rod, 61-a supporting guide groove, 62-a pile tip, 63-a supporting clamping seat, 64-a fixed slide rod, a positioning device, 65-mounting hole, 66-second guide slider.
Detailed Description
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 the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 6, fig. 7, fig. 8 and fig. 9, the present invention provides a technical solution: a part of recoverable prestressed concrete support pile of adjustable reinforcing bar of initial stress, including the first guide slide block 1, drive unit 2, stop device 3, ordinary steel bar 4, plastic pipe 5, strutting arrangement 6, prestressed reinforcement 7 and metal bellows 8;
the inner end face of the limiting device 3 is rotatably clamped with a transmission device 2 for limiting, the inner end face of the limiting device 3 is in threaded connection with four groups of first guide sliding blocks 1 through the transmission device 2, the inner end face of each first guide sliding block 1 is in threaded connection with a prestressed steel bar 7, the lower end face of the limiting device 3 is fixedly clamped with a plastic pipe 5 opposite to the prestressed steel bar 7, the inner end face of the limiting device 3 is uniformly and equidistantly fixedly connected with four groups of common steel bars 4, the limiting device 3 is fixedly connected with a supporting device 6 through the common steel bars 4 and the plastic pipe 5, and the bottom of the prestressed steel bar 7 is in threaded connection with the supporting device 6;
as shown in fig. 6, the first guide slider 1 comprises a threaded collar 11, a guide slider 12, a fixed slider 13 and a threaded sleeve 14;
the side end face of the fixed sliding block 13 is symmetrically and fixedly provided with a guide sliding plate 12, the center of the inner end face of the fixed sliding block 13 is fixedly connected with a threaded sleeve ring 11, and the front end face of the fixed sliding block 13 is fixedly clamped with a threaded sleeve 14;
as shown in fig. 7, the transmission 2 includes a positioning handle 21, a support guide rod 22 and a connecting fluted disc 23;
a support guide rod 22 is fixedly connected to the center of the lower end face of the positioning handle 21, and a connecting fluted disc 23 is fixedly connected to the center of the lower end face of the support guide rod 22;
as shown in fig. 8, the limiting device 3 includes a connecting device 31, a positioning insertion hole 32, a supporting housing 33, a connecting rotary groove 34, a fixing sliding groove 35, a guiding sliding rod 36 and a fixing clamping groove 37;
four groups of positioning insertion holes 32 for positioning are uniformly and equidistantly formed in the upper end face of the supporting shell 33, four groups of fixing sliding grooves 35 are uniformly and equidistantly formed in the inner end face of the supporting shell 33, three groups of guide sliding rods 36 are symmetrically and fixedly mounted on the side end face of each fixing sliding groove 35, a fixing clamping groove 37 is formed in the center of the inner end face of the supporting shell 33, the fixing sliding grooves 35 and the fixing clamping grooves 37 are in through connection through connecting rotary grooves 34, and four groups of connecting devices 31 are uniformly and equidistantly clamped on the inner end face of the supporting shell 33 in a rotating manner through the connecting rotary grooves 34;
as shown in fig. 9, the connecting device 31 includes a fixed gear 311, a snap-fit swivel 312, and a connecting screw 313;
a connecting screw 313 is fixedly arranged at the center of the side end surface of the fixed gear 311, and a clamping rotary ring 312 is fixedly arranged at the position, close to the fixed gear 311, of the outer end surface of the connecting screw 313;
as shown in fig. 10, the supporting device 6 includes a supporting guide groove 61, a pile tip 62, a supporting clamping seat 63, a fixing slide bar 64, a mounting hole 65 and a second guiding slide block 66;
the center of the lower end face of the supporting clamping seat 63 is fixedly provided with a pile tip 62, four groups of mounting holes 65 are uniformly and equidistantly formed in the upper end face of the supporting clamping seat 63, four groups of supporting guide grooves 61 are uniformly and equidistantly formed in the inner end face of the supporting clamping seat 63, three groups of fixing slide bars 64 are symmetrically and fixedly arranged in the inner end face of the supporting guide grooves 61 in a uniform and equidistant mode, and four groups of second guide slide blocks 66 are slidably clamped in the inner end face of the supporting clamping seat 63 in a uniform and equidistant mode through the supporting guide grooves 61 and the fixing slide bars 64.
As shown in fig. 3, the bottom of the threaded collar 11 is through, the bottom of the second guide slider 66 is closed, the first guide slider 1 and the support device 6 are fixedly connected through the plastic pipe 5, the first guide slider 1 and the second guide slider 66 are both in threaded connection with the outside of the prestressed reinforcement 7, and the closed bottom of the second guide slider 66 can be used for pressing the bottom of the second guide slider 66 against the subsequent prestressed reinforcement 7 to adjust the bending resistance bearing capacity and the cracking bending moment of the support pile.
As shown in fig. 4, location jack 32 and mounting hole 65 all with ordinary reinforcing bar 4 looks adaptation, and stop device 3 and strutting arrangement 6 carry out fixed connection through location jack 32 and mounting hole 65 and then with ordinary reinforcing bar 4, convenient follow-up location and the equipment of carrying on fast to ordinary reinforcing bar 4.
Three groups of fixing grooves are uniformly and equidistantly formed in the inner end face of the guide sliding plate 12, the guide sliding rod 36 is matched with the fixing grooves, the first guide sliding block 1 is matched with the fixing grooves through the guide sliding rod 36 and then is in sliding clamping connection with the inner end face of the limiting device 3, the accuracy of the displacement of the first guide sliding block 1 in the limiting device 3 can be improved, and the subsequent adjustment stability is improved.
First direction slider 1 passes through threaded sleeve 14 and connecting screw 313 looks adaptation and then screw thread sliding connection is at the inner terminal surface of fixed spout 35, and convenient follow-up connecting screw 313 can drive first direction slider 1 through threaded sleeve 14 and carry out accurate displacement in stop device 3 is inside, has improved the accurate nature of adjusting.
The transmission device 2 is rotatably clamped on the inner end face of the fixed clamping groove 37 through the supporting guide rod 22, so that the rotating stability of the transmission device 2 can be improved.
The connecting device 31 is engaged with the upper end surface of the connecting fluted disc 23 through the fixed gear 311, so that the subsequent connecting fluted disc 23 can provide power for the four connecting screw rods 313 through the four fixed gears 311 to finely adjust the position of the first guiding sliding block 1.
As shown in fig. 6, a clamping rotation groove is formed at a position, close to the fixed clamping groove 37, of an inner end surface of the connecting rotation groove 34, and the fixed gear 311 is not in contact with the inner wall of the fixed clamping groove 37, so that the subsequent connecting device 31 is prevented from being limited when rotating inside the limiting device 3, and the transmission stability is not affected.
Connecting device 31 rotates the joint at the inner end face of support housing 33 through joint change groove and joint change 312 looks adaptation and then, can effectively improve follow-up connecting device 31 at the inside pivoted stability of stop device 3.
In the implementation of the present embodiment, if the position of the four sets of prestressed reinforcements 7 supported inside the limiting device 3 and the supporting device 6 needs to be finely adjusted, at this time, a user can rotate the positioning handle 21 through an external tool, the positioning handle 21 can drive the supporting guide rod 22 to rotate, and at the same time, when the supporting guide rod 22 rotates, the connecting fluted disc 23 at the bottom can be driven to rotate, so that the connecting fluted disc 23 can simultaneously drive the four sets of fixed gears 311 to rotate, when the fixed gears 311 rotate, the fixed gears 311 can drive the connecting screw 313 to rotate, so that the connecting screw 313 can be connected with the threaded sleeve 14 through the thread, further drive the four sets of first guiding sliders 1 to synchronously displace and adjust inside the limiting device 3, and at the same time, when the first guiding slider 1 is adjusted, the prestressed reinforcements 7 inside the threaded sleeve 11 can be driven to synchronously displace, and because the prestressed reinforcement 7 and the plastic pipe 5 are both connected with the second guide slide block 66 at the bottom, the first guide slide block 1 and the second guide slide block 66 can synchronously displace, so that the stability of fine adjustment of the prestressed reinforcement 7 and the plastic pipe 5 in the limiting device 3 and the supporting device 6 is improved, if the tension of the prestressed reinforcement 7 between the first guide slide block 1 and the supporting device 6 needs to be adjusted, a user can synchronously rotate four groups of prestressed reinforcements 7 through an external tool, because the upper part and the bottom of the prestressed reinforcement 7 are both provided with threads, the prestressed reinforcement 7 can drive the supporting device 6 to displace towards the lower part by taking the limiting device 3 as the basis through the threads, because the bottom of the second guide slide block 66 is sealed, the four groups of supporting devices 6 can drive the common reinforcement 4 to move downwards, and further the bending resistance and the cracking bending moment of the common reinforcement 4 are adjusted, simultaneously when the fender pile is finalized the design and finishes the back, the user reverses prestressing steel 7 for prestressing steel 7 can separate with first direction slider 1 and strutting arrangement 6, and convenient follow-up retrieves prestressing steel 7.
Example 2
On the basis of embodiment 1, as shown in fig. 12, the metal bellows 8 is fixedly clamped on the lower end surface of the first guide slider 1 opposite to the prestressed reinforcement 7, and the lower end surface of the first guide slider 1 is fixedly connected with the second guide slider 66 through the metal bellows 8.
The arrangement of the metal corrugated pipe 8 can provide enough limiting space when the tension of the prestressed steel bar 7 between the first guide sliding block 1 and the supporting device 6 is adjusted, so that the adjusting stability is improved.
The working principle is as follows: if the positions of the four groups of prestressed steel bars 7 supported in the limiting device 3 and the supporting device 6 need to be finely adjusted, at this time, a user can rotate the positioning handle 21 through an external tool, the positioning handle 21 can drive the supporting guide rod 22 to rotate, and simultaneously when the supporting guide rod 22 rotates, the connecting fluted disc 23 at the bottom can be driven to rotate, so that the connecting fluted disc 23 can simultaneously drive the four groups of fixed gears 311 to rotate, when the fixed gears 311 rotate, the fixed gears 311 can drive the connecting screw rods 313 to rotate, so that the connecting screw rods 313 can be connected with the threaded sleeves 14 through threads, and further drive the four groups of first guide sliding blocks 1 to synchronously perform displacement adjustment in the limiting device 3, and simultaneously when the first guide sliding blocks 1 are adjusted, the prestressed steel bars 7 in the threaded sleeves 11 can be driven to synchronously perform displacement, and because the prestressed steel bars 7 and the plastic pipe 5 are both connected with the second guide sliding blocks 66 at the bottom, so that the first guide slide block 1 and the second guide slide block 66 can synchronously move, further improving the stability of fine adjustment of the prestressed reinforcement 7 and the plastic pipe 5 in the limiting device 3 and the supporting device 6, if the tension of the prestressed reinforcement 7 between the first guide slide block 1 and the supporting device 6 needs to be adjusted, a user can synchronously rotate four groups of prestressed reinforcements 7 through an external tool, because the upper part and the bottom of the prestressed reinforcement 7 are both provided with threads, the prestressed reinforcement 7 can drive the supporting device 6 to move downwards by taking the limiting device 3 as a basis through the threads, because the bottom of the second guide slide block 66 is sealed, the four groups of supporting devices 6 can drive the common reinforcement 4 to move downwards, further adjusting the bending bearing capacity and cracking of the common reinforcement 4, and simultaneously when the forming of the support pile is finished, the user reverses the prestressed reinforcement 7, the prestressed reinforcement 7 can be separated from the first guide sliding block 1 and the supporting device 6, the prestressed reinforcement 7 is conveniently recovered subsequently, the cost is reduced, and the economic benefit is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a recoverable part prestressed concrete fender pile of adjustable reinforcing bar of prestressing force which characterized in that: the device comprises a first guide sliding block (1), a transmission device (2), a limiting device (3), a common steel bar (4), a plastic pipe (5), a supporting device (6), a prestressed steel bar (7) and a metal corrugated pipe (8); the inner end face of the limiting device (3) is rotatably clamped with a transmission device (2) for limiting, the inner end face of the limiting device (3) is in threaded connection with four groups of first guide sliding blocks (1) through the transmission device (2), the inner end face of each first guide sliding block (1) is in threaded connection with a prestressed steel bar (7), a plastic pipe (5) is fixedly clamped at the position, right opposite to the prestressed steel bar (7), of the lower end face of the limiting device (3), the inner end face of the limiting device (3) is uniformly and equidistantly fixedly connected with four groups of common steel bars (4), the limiting device (3) is fixedly connected with a supporting device (6) through the common steel bars (4) and the plastic pipe (5), and the bottom of the prestressed steel bar (7) is in threaded connection with the supporting device (6); the first guide sliding block (1) comprises a threaded lantern ring (11), a guide sliding plate (12), a fixed sliding block (13) and a threaded sleeve (14); guide sliding plates (12) are symmetrically and fixedly installed on the side end face of the fixed sliding block (13), a threaded sleeve ring (11) is fixedly connected to the center of the inner end face of the fixed sliding block (13), and a threaded sleeve barrel (14) is fixedly clamped on the front end face of the fixed sliding block (13); the transmission device (2) comprises a positioning handle (21), a supporting guide rod (22) and a connecting fluted disc (23); a support guide rod (22) is fixedly connected to the center of the lower end face of the positioning handle (21), and a connecting fluted disc (23) is fixedly connected to the center of the lower end face of the support guide rod (22); the limiting device (3) comprises a connecting device (31), a positioning jack (32), a supporting shell (33), a connecting rotary groove (34), a fixed sliding groove (35), a guide sliding rod (36) and a fixed clamping groove (37); four groups of positioning insertion holes (32) used for positioning are formed in the upper end face of the supporting shell (33) at uniform equal intervals, four groups of fixing sliding grooves (35) are formed in the inner end face of the supporting shell (33) at uniform equal intervals, three groups of guide sliding rods (36) are symmetrically and fixedly mounted on the side end face of each fixing sliding groove (35), a fixing clamping groove (37) is formed in the center of the inner end face of the supporting shell (33), the fixing sliding grooves (35) and the fixing clamping grooves (37) are connected in a penetrating mode through connecting rotating grooves (34), and four groups of connecting devices (31) are clamped on the inner end face of the supporting shell (33) in a rotating mode through connecting rotating grooves (34) at uniform equal intervals; the connecting device (31) comprises a fixed gear (311), a clamping rotating ring (312) and a connecting screw rod (313); a connecting screw rod (313) is fixedly installed at the center of the side end face of the fixed gear (311), and a clamping rotating ring (312) is fixedly installed at the position, close to the fixed gear (311), of the outer end face of the connecting screw rod (313); the supporting device (6) comprises a supporting guide groove (61), a pile tip (62), a supporting clamping seat (63), a fixed sliding rod (64), a mounting hole (65) and a second guide sliding block (66); a pile point (62) is fixedly installed at the center of the lower end face of the supporting clamping seat (63), four groups of mounting holes (65) are uniformly and equidistantly formed in the upper end face of the supporting clamping seat (63), four groups of supporting guide grooves (61) are uniformly and equidistantly formed in the inner end face of the supporting clamping seat (63), three groups of fixed slide bars (64) are uniformly and equidistantly symmetrically and fixedly installed on the inner end face of the supporting guide grooves (61), and four groups of second guide slide blocks (66) are uniformly and equidistantly slidably clamped on the inner end face of the supporting clamping seat (63) through the supporting guide grooves (61) and the fixed slide bars (64); the bottom of the threaded lantern ring (11) is arranged in a penetrating mode, the bottom of the second guide sliding block (66) is arranged in a sealing mode, the first guide sliding block (1) is fixedly connected with the supporting device (6) through a plastic pipe (5), and the first guide sliding block (1) and the second guide sliding block (66) are in threaded connection with the outer portion of the prestressed reinforcement (7); the first guide sliding block (1) is matched with the connecting screw rod (313) through a threaded sleeve (14) and further in threaded sliding connection with the inner end face of the fixed sliding chute (35); the transmission device (2) is rotatably clamped on the inner end surface of the fixed clamping groove (37) through the support guide rod (22); the connecting device (31) is meshed and connected with the upper end face of the connecting fluted disc (23) through the fixed gear (311); a clamping rotating groove is formed in the inner end face of the connecting rotating groove (34) close to the fixed clamping groove (37), and the fixed gear (311) is not in contact with the inner wall of the fixed clamping groove (37); the connecting device (31) is matched with the clamping rotating ring (312) through the clamping rotating groove and then is rotatably clamped on the inner end face of the supporting shell (33).
2. The partially prestressed concrete support pile with recoverable prestressed adjustable rebars according to claim 1, wherein: positioning insertion holes (32) and mounting holes (65) are matched with common steel bars (4), and limiting devices (3) and supporting devices (6) are fixedly connected with the common steel bars (4) through the positioning insertion holes (32) and the mounting holes (65).
3. The partially prestressed concrete support pile with recoverable prestressed adjustable rebars according to claim 2, wherein: three groups of fixing grooves are uniformly formed in the inner end face of the guide sliding plate (12) at equal intervals, the guide sliding rod (36) is matched with the fixing grooves, and the first guide sliding block (1) is matched with the fixing grooves through the guide sliding rod (36) and then is in sliding clamping connection with the inner end face of the limiting device (3).
4. The partially prestressed concrete support pile with recoverable prestressed adjustable rebars according to claim 3, wherein: the lower end face of the first guide sliding block (1) is fixedly clamped with a metal corrugated pipe (8) to the prestressed reinforcement (7), and the lower end face of the first guide sliding block (1) is fixedly connected with the second guide sliding block (66) through the metal corrugated pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210068122.9A CN114182725B (en) | 2022-01-20 | 2022-01-20 | Recoverable partial prestressed concrete support pile with prestress adjustable steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210068122.9A CN114182725B (en) | 2022-01-20 | 2022-01-20 | Recoverable partial prestressed concrete support pile with prestress adjustable steel bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114182725A CN114182725A (en) | 2022-03-15 |
| CN114182725B true CN114182725B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210068122.9A Active CN114182725B (en) | 2022-01-20 | 2022-01-20 | Recoverable partial prestressed concrete support pile with prestress adjustable steel bars |
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| CN (1) | CN114182725B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087367A (en) * | 1998-09-11 | 2000-03-28 | Ohbayashi Corp | Joint method of pile |
| CN109175168A (en) * | 2018-11-06 | 2019-01-11 | 中建筑港集团有限公司 | A kind of automatic adjustment steel reinforcement cage processing diameter device and adjusting method |
| CN109469069A (en) * | 2018-11-27 | 2019-03-15 | 浙江坤德创新岩土工程有限公司 | A kind of I-shaped support pile of prestressing force and foundation pit supporting method |
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2022
- 2022-01-20 CN CN202210068122.9A patent/CN114182725B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087367A (en) * | 1998-09-11 | 2000-03-28 | Ohbayashi Corp | Joint method of pile |
| CN109175168A (en) * | 2018-11-06 | 2019-01-11 | 中建筑港集团有限公司 | A kind of automatic adjustment steel reinforcement cage processing diameter device and adjusting method |
| CN109469069A (en) * | 2018-11-27 | 2019-03-15 | 浙江坤德创新岩土工程有限公司 | A kind of I-shaped support pile of prestressing force and foundation pit supporting method |
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| CN114182725A (en) | 2022-03-15 |
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