CN212714939U

CN212714939U - Bored concrete pile convenient to demolish pile head

Info

Publication number: CN212714939U
Application number: CN202021127472.0U
Authority: CN
Inventors: 高强灵; 魏小龙; 刘欢
Original assignee: Sichuan Zhongming Construction Engineering Co ltd
Current assignee: Sichuan Zhongming Construction Engineering Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-16
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a bored concrete pile convenient to demolish pile head relates to building technical field. This bored concrete pile convenient to demolish pile head, including urceolus, steel reinforcement framework and plastics pillar, steel reinforcement framework is located the inside of plastics pillar, and the top surface fixedly connected with roof of urceolus, the sprue gate has been seted up at the inside center of roof, and the equal fixed embedding in both ends of roof has the nut, and the equal threaded connection in inside of every nut has the bolt, and the top surface of every bolt all rotates and is connected with first hinge bar, two first fixed blocks of inner wall fixedly connected with of urceolus. This bored concrete pile convenient to demolish pile head through setting up roof, nut, bolt, first articulated arm, first articulated piece, first fixed block, grip block, antiseized sleeve pipe, stripper plate and supporting mechanism, has avoided the pile head to form by a plurality of reinforcing bar upper portions that the concrete bond wrapped up in steel reinforcement cage skeleton mostly, can cause great rocking to the steel reinforcement cage skeleton when demolising, and then influences the condition of the steadiness of bored concrete pile body.

Description

Bored concrete pile convenient to demolish pile head

Technical Field

The utility model relates to a building technical field specifically is a bored concrete pile convenient to demolish pile head.

Background

In order to ensure the quality of a pile head during pile foundation construction, the elevation of the pile top generally needs to be higher than the designed elevation, for example, a cast-in-place pile, because sediment at the bottom of the pile and impurities precipitated in slurry during the casting process can form a certain thickness on the surface of the concrete when the concrete is cast, the floating slurry is generally called, then after the concrete is solidified, a super-cast part needs to be chiseled off, main ribs (steel bars) above the elevation of the pile top are exposed, and after the pile foundation is detected to be qualified, the construction of a bearing platform is carried out.

Among the prior art, the pile head of bored concrete pile is formed by a plurality of reinforcing bar upper portions that the steel reinforcement cage skeleton was wrapped up in by the concrete bond mostly, and the mode of demolising the pile head is by cutting or beating mostly, nevertheless can cause great rocking to the steel reinforcement cage skeleton at cutting or beating in-process, and then influences the steadiness of bored concrete pile body, can cause the pile body to produce the crack seriously, reduces bored concrete pile's physical strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bored concrete pile convenient to demolish pile head has solved the problem of proposing among the background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a cast-in-place pile convenient for removing a pile head comprises an outer barrel, a steel bar framework and a plastic protective pipe, wherein the steel bar framework is positioned inside the plastic protective pipe, the top surface of the outer barrel is fixedly connected with a top plate, a pouring gate is arranged at the center inside the top plate, nuts are fixedly inlaid at two ends inside the top plate, bolts are respectively and internally and threadedly connected with each nut, the top surface of each bolt is rotatably connected with a first hinge rod, two first fixed blocks are fixedly connected with the inner wall of the outer barrel, clamping blocks are respectively and fixedly hinged inside the two first fixed blocks, the top surfaces of the two clamping blocks are respectively and fixedly connected with a first hinge block, and first articulated piece and first articulated rod are fixed articulated, and the below of two first fixed blocks all is equipped with the supplementary fixture of a plurality of, and the both ends of roof bottom surface all are equipped with supporting mechanism, the antiseized sleeve pipe of top fixedly connected with of framework of steel reinforcement inner wall, antiseized sheathed tube inside sliding connection has the stripper plate.

The further improvement does, every the supporting mechanism all includes supporting box, every supporting box's top surface all with the bottom surface fixed connection of roof, the spout has all been seted up to the inside of every supporting box, the equal sliding connection in inside of every spout has the slider, the equal fixedly connected with bracing piece in bottom surface of every slider, through setting up the spout, slides the slider in the inside of spout to the stability that the slider removed has been promoted.

The further improvement is that every the bottom surface of bracing piece all with the top surface fixed connection of stripper plate, the through-hole with sprue gate looks adaptation is seted up to the inside of stripper plate, through setting up the through-hole, can pour the concrete with the slip casting pipe in the inside of through-hole.

The improvement is that, every the equal fixedly connected with spring of top surface of slider, the one end that the slider was kept away from to every spring all with the interior roof fixed connection who supports the case, through setting up the spring, can make the spring support the slider to make the stripper plate carry out the compaction to the bored concrete pile.

The further improvement does, every supplementary fixture all includes the second fixed block, and the inside of every second fixed block all is fixed articulated to have supplementary grip block, and the equal fixedly connected with third articulated piece of top surface of every supplementary grip block, the inside of every third articulated piece all is fixed articulated to have the second hinge rod, through setting up third articulated piece and second hinge rod, rotates the inside of third articulated piece at the second hinge rod to make the second hinge rod drive supplementary grip block and rotate in the inside of second fixed block.

The improved clamping device is characterized in that each auxiliary clamping plate is provided with a fifth hinged block fixedly connected with the bottom surface, each second hinged block is fixedly connected with the bottom surface of each clamping block and matched with the corresponding second hinged rod, and the fifth hinged blocks are arranged, so that the second hinged rods can be connected with the fifth hinged blocks and the second hinged blocks, and the clamping blocks can drive the auxiliary clamping plates to rotate simultaneously.

The improved structure is characterized in that hoisting blocks are fixedly connected to the two ends of the top surface of the top plate, hoisting holes are formed in the two hoisting blocks, and the top plate is hoisted by a user conveniently by arranging the hoisting blocks.

1. The cast-in-place pile convenient for removing the pile head comprises a top plate, a nut, a bolt, a first hinge rod, a first hinge block, a first fixed block, a clamping block, an anti-sticking sleeve, an extrusion plate and a supporting mechanism, wherein the bolt is rotated in the nut, so that the bolt is lifted in the nut, the first hinge rod is rotated in the first hinge block, the clamping block is used for clamping a plastic protective pipe, the supporting mechanism is used for supporting the extrusion plate, the extrusion plate slides in the anti-sticking sleeve, concrete is compacted below the extrusion plate, when an outer barrel can be pulled out through the top plate, the plastic protective pipe is pulled out through the clamping block, the effect of flexibly removing the pile head is achieved, and the situation that most of the pile head is formed by a plurality of steel bar upper parts of a concrete holding cage framework is avoided, can cause great rocking to the steel reinforcement cage skeleton when demolising, and then influence the circumstances of the steadiness of bored concrete pile body.

2. This bored concrete pile convenient to demolish pile head, through setting up the spout, slide the slider in the inside of spout, thereby the stability that the slider removed has been promoted, through setting up the through-hole, can pour the concrete with the slip casting pipe in the inside of through-hole, through setting up the spring, can make the spring support the slider, thereby make the stripper plate carry out the compaction to the bored concrete pile, through setting up third articulated piece and second articulated rod, rotate third articulated piece in the inside of second articulated rod, thereby make the second articulated rod drive supplementary grip block and rotate in the inside of second fixed block, through setting up fifth articulated piece, can link to each other second articulated rod and fifth articulated piece and second articulated piece, thereby make the grip block drive supplementary grip block simultaneously and rotate, through setting up the hoist and mount piece, convenient to use person hangs up the roof.

Drawings

FIG. 1 is a cross-sectional view of the outer barrel of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a sectional view of the supporting mechanism of the present invention;

fig. 4 is a perspective view of the auxiliary clamping plate of the present invention.

In the figure, the reference numbers are 1 and an outer cylinder; 2. a steel reinforcement cage; 3. a plastic protective tube; 4. an anti-sticking sleeve; 5. A top plate; 6. a pressing plate; 7. a nut; 8. an auxiliary clamping mechanism; 801. a second fixed block; 802. an auxiliary clamping plate; 803. a third hinge block; 804. a second hinge lever; 805. a fifth articulated block; 9. a support mechanism; 901. a support box; 902. a chute; 903. a spring; 904. a slider; 905. a support bar; 10. A first hinge lever; 11. a first hinge block; 12. a first fixed block; 13. a clamping block; 14. a bolt; 15. a pouring gate; 16. hoisting the blocks; 17. a second hinged block.

Detailed Description

As shown in fig. 1-4, an embodiment of the present invention provides a cast-in-place pile convenient for removing a pile head, which includes an outer tube 1, a steel reinforcement framework 2 and a plastic protection tube 3, wherein the steel reinforcement framework 2 is located inside the plastic protection tube 3, a top surface of the outer tube 1 is fixedly connected with a top plate 5, a pouring gate 15 is opened at the center inside the top plate 5, nuts 7 are fixedly embedded at both ends inside the top plate 5, a bolt 14 is connected to the inside of each nut 7 through a screw thread, a first hinge rod 10 is rotatably connected to the top surface of each bolt 14, two first fixed blocks 12 are fixedly connected to the inner wall of the outer tube 1, clamping blocks 13 are fixedly hinged to the inside of the two first fixed blocks 12, first hinge blocks 11 are fixedly connected to the top surfaces of the two clamping blocks 13, and first articulated piece 11 and first articulated pole 10 fixed hinge, the below of two first fixed blocks 12 all is equipped with the supplementary fixture 8 of a plurality of.

Each auxiliary clamping mechanism 8 comprises a second fixed block 801, an auxiliary clamping plate 802 is fixedly hinged inside each second fixed block 801, a third hinged block 803 is fixedly connected to the top surface of each auxiliary clamping plate 802, a second hinged rod 804 is fixedly hinged inside each third hinged block 803, the third hinged block 803 is rotated inside the second hinged rod 804 by arranging the third hinged block 803 and the second hinged rod 804, so that the second hinged rod 804 drives the auxiliary clamping plate 802 to rotate inside the second fixed block 801, a fifth hinged block 805 is fixedly connected to the bottom surface of each auxiliary clamping plate 802, a second hinged block 17 matched with the second hinged rod 804 is fixedly connected to the bottom surface of each clamping block 13, the fifth hinged block 805 is arranged to connect the second hinged rod 804 with the fifth hinged block 805 and the second fixed block 17, so that the clamping blocks 13 drive the auxiliary clamping plates 802 to rotate simultaneously, and two ends of the bottom surface of the top plate 5 are provided with supporting mechanisms 9.

Each supporting mechanism 9 comprises a supporting box 901, the top surface of each supporting box 901 is fixedly connected with the bottom surface of the top plate 5, a sliding groove 902 is formed in each supporting box 901, a sliding block 904 is slidably connected in each sliding groove 902, a supporting rod 905 is fixedly connected to the bottom surface of each sliding block 904, the sliding block 904 slides in the sliding groove 902 by arranging the sliding groove 902, so that the moving stability of the sliding block 904 is improved, the bottom surface of each supporting rod 905 is fixedly connected with the top surface of the extrusion plate 6, a through hole matched with the pouring gate 15 is formed in the extrusion plate 6, concrete can be poured in the through hole of the grouting pipe by arranging the through hole, a spring 903 is fixedly connected to the top surface of each sliding block 904, one end, far away from the sliding block 904, of each spring 903 is fixedly connected with the inner top wall of the supporting box 901, and by arranging the spring 903, the spring 903 can support the sliding block 904, so that the squeeze plate 6 compacts the cast-in-place pile.

The top fixedly connected with antiseized sleeve pipe 4 of 2 inner walls of framework of steel reinforcement, antiseized sleeve pipe 4's inside sliding connection has stripper plate 6, the equal fixedly connected with hoist and mount piece 16 in both ends of 5 top surfaces of roof, and the hole for hoist has all been seted up to the inside of two hoist and mount pieces 16, and through setting up hoist and mount piece 16, convenient to use person hoists roof 5.

The utility model discloses the theory of operation as follows:

digging a pile hole matched with the outer cylinder 1 on the ground, cleaning the pile hole, placing the outer cylinder 1, the steel bar framework 2 and the plastic protective pipe 3 inside the pile hole, pouring the pouring pipe into the steel bar framework 2 through the pouring port 15 and the through hole, wrapping concrete on steel bars on the steel bar framework 2, pushing the extrusion plate 6 upwards by the concrete, sliding the extrusion plate 6 upwards in the anti-sticking sleeve 4, supporting the extrusion plate 6 by the supporting rod 905, driving the sliding block 904 by the supporting rod 905 to slide upwards in the sliding groove 902, supporting the supporting rod 905 by the spring 903, extruding the concrete in the steel bar framework 2 by the extrusion plate 6, rotating the bolt 14 after the concrete is fixed and formed in the steel bar framework 2, rotating and lifting the bolt 14 in the nut 7, and rotating and hinging the first hinging rod 10 in the first block 11, thereby make grip block 13 rotate in the inside of first fixed block 12, thereby make grip block 13 carry out the centre gripping to plastics pillar 3, simultaneously through second articulated arm 804 and third articulated piece 803, drive supplementary grip block 802 and rotate in the inside of second fixed block 801, thereby make supplementary grip block 802 carry out supplementary centre gripping to the surface of plastics pillar 3, hoist and mount piece 16 and hang roof 5, thereby pull out urceolus 1 and plastics pillar 3, the effect of dismantling the pile head in a flexible way has been reached, avoided the pile head to form by a plurality of reinforcing bar upper portions of concrete bond steel reinforcement cage skeleton mostly, can cause great rocking to the steel reinforcement cage skeleton during the dismantlement, and then the condition of the steadiness of influence bored concrete pile body.

Claims

1. The utility model provides a bored concrete pile convenient to demolish pile head, includes urceolus (1), framework of steel reinforcement (2) and plastics pillar (3), its characterized in that: the steel bar framework (2) is positioned inside the plastic protective pipe (3), the top surface of the outer barrel (1) is fixedly connected with a top plate (5), a pouring gate (15) is formed in the center of the inside of the top plate (5), nuts (7) are fixedly inlaid at two ends of the inside of the top plate (5), bolts (14) are in threaded connection with the inside of each nut (7), a first hinge rod (10) is rotatably connected with the top surface of each bolt (14), two first fixed blocks (12) are fixedly connected with the inner wall of the outer barrel (1), clamping blocks (13) are fixedly hinged with the inside of the two first fixed blocks (12), first hinge blocks (11) are fixedly connected with the top surfaces of the two clamping blocks (13), the first hinge blocks (11) are fixedly hinged with the first hinge rod (10), a plurality of auxiliary clamping mechanisms (8) are arranged below the two first fixed blocks (12), supporting mechanisms (9) are arranged at two ends of the bottom surface of the top plate (5), an anti-sticking sleeve (4) is fixedly connected to the top of the inner wall of the steel reinforcement framework (2), and an extrusion plate (6) is slidably connected to the inside of the anti-sticking sleeve (4).

2. A bored concrete pile with a pile head convenient to remove according to claim 1, wherein: every supporting mechanism (9) all include supporting box (901), the top surface of every supporting box (901) all with the bottom surface fixed connection of roof (5), spout (902) have all been seted up to the inside of every supporting box (901), the equal sliding connection in inside of every spout (902) has slider (904), the equal fixedly connected with bracing piece (905) in bottom surface of every slider (904).

3. A bored concrete pile with a pile head convenient to remove according to claim 2, wherein: every the bottom surface of bracing piece (905) all with the top surface fixed connection of stripper plate (6), the through-hole with sprue gate (15) looks adaptation is seted up to the inside of stripper plate (6).

4. A bored concrete pile with a pile head convenient to remove according to claim 2, wherein: the top surface of each slider (904) is fixedly connected with a spring (903), and one end, far away from the slider (904), of each spring (903) is fixedly connected with the inner top wall of the support box (901).

5. A bored concrete pile with a pile head convenient to remove according to claim 1, wherein: every supplementary fixture (8) all include second fixed block (801), and the inside of every second fixed block (801) is all fixed articulated to have supplementary grip block (802), and the equal fixedly connected with third articulated piece (803) of top surface of every supplementary grip block (802), the inside of every third articulated piece (803) is all fixed articulated to have second articulated rod (804).

6. A bored concrete pile with a pile head convenient to remove according to claim 5, wherein: the bottom surface of each auxiliary clamping plate (802) is fixedly connected with a fifth hinged block (805), and the bottom surface of each clamping block (13) is fixedly connected with a second hinged block (17) matched with a second hinged rod (804).

7. A bored concrete pile with a pile head convenient to remove according to claim 1, wherein: the lifting device is characterized in that the two ends of the top surface of the top plate (5) are fixedly connected with lifting blocks (16), and lifting holes are formed in the two lifting blocks (16).