CN211898338U - Device for preventing bored concrete pile steel reinforcement cage come-up - Google Patents

Device for preventing bored concrete pile steel reinforcement cage come-up Download PDF

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Publication number
CN211898338U
CN211898338U CN202020156256.2U CN202020156256U CN211898338U CN 211898338 U CN211898338 U CN 211898338U CN 202020156256 U CN202020156256 U CN 202020156256U CN 211898338 U CN211898338 U CN 211898338U
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reinforcement cage
thick bamboo
counter weight
weight section
concrete pile
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CN202020156256.2U
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辛平海
陈鹏
庞春军
陈立新
黄小军
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China Energy Engineering Group Northwest Power Construction Engineering Co ltd
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China Energy Engineering Group Northwest Power Construction Engineering Co ltd
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Abstract

The utility model relates to a device for preventing bored concrete pile steel reinforcement cage come-up, it is including setting up at the counter weight section of thick bamboo of the notes hole upside of bored concrete pile, the vertical inserting of steel reinforcement cage is established in the notes hole, and the bottom setting of steel reinforcement cage and the coaxial setting of notes hole and steel reinforcement cage is in notes hole bottom, and the top of steel reinforcement cage stretches out to a counter weight section of thick bamboo inside and flushes the setting with the top of a counter weight section of thick bamboo, be provided with a plurality of spacing fixed establishment who is used for fixed steel reinforcement cage in the counter weight section of thick bamboo, spacing fixed establishment is including setting up the locating plate in a counter weight section of thick bamboo, the locating plate is provided with the top with. The utility model has the advantages that: the possibility of the steel reinforcement cage floating upwards in the grouting process can be reduced.

Description

Device for preventing bored concrete pile steel reinforcement cage come-up
Technical Field
The utility model belongs to the technical field of the concrete pouring construction technique and specifically relates to a prevent device of bored concrete pile steel reinforcement cage come-up.
Background
The cast-in-place reinforced concrete pile is formed by directly forming holes on site pile position, then pouring concrete in the holes or placing reinforcing cages and pouring concrete, and compared with the hammering method of sinking into the pile, the construction noise and vibration are much less, and the pile with the diameter larger than that of the prefabricated pile can be generally built, and can be used on various foundations. The reinforcement cage is a cage-shaped reinforcement framework formed by connecting reinforcement bars with corresponding diameters according to certain appearance requirements. The method is commonly used in foundation engineering of modern buildings, namely, a reinforcement cage is used as a framework, concrete with certain strength grade is poured according to a specified process, and after a certain period of maintenance, the designed bearing capacity can be achieved, so that the construction requirements of the upper engineering and the future use requirements can be ensured. The steel reinforcement cage mainly plays the tensile effect, and the compressive strength of concrete is high but tensile strength is very low, and the steel reinforcement cage can play the effect of restraint to pile body concrete, improves the vertical bearing capacity of pile foundation.
During construction, firstly, holes are dug, then, a reinforcement cage is put in, and grouting is carried out, but in the grouting process, when concrete is poured to the bottom of the reinforcement cage, the pouring speed of the concrete is too high, when buoyancy generated by the reinforcement cage in the concrete and jacking force generated by rising of the concrete are larger than the self weight of the reinforcement cage, the reinforcement cage floats upwards, and the mud has too high specific gravity, so that the mud jacking buoyancy is increased; on the other hand, because the concrete pouring time is long, the concrete is nearly initially set, the surface of the concrete is solidified, the concrete and the reinforcement cage have certain bond stress, and the concrete is lifted upwards at a certain speed after being turned out from the guide pipe, and simultaneously the reinforcement cage is driven to move upwards.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, one of the purposes of the utility model is to provide a prevent device of bored concrete pile steel reinforcement cage come-up, its advantage: the possibility of the steel reinforcement cage floating upwards in the grouting process can be reduced.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a device for preventing bored concrete pile steel reinforcement cage come-up, is including setting up a counter weight section of thick bamboo at the notes hole upside of bored concrete pile, the vertical inserting of steel reinforcement cage is established in the notes hole, and the bottom setting of steel reinforcement cage and the coaxial setting of notes hole and steel reinforcement cage is in the notes hole bottom, and the top of steel reinforcement cage stretches out to a counter weight section of thick bamboo inside and flushes the setting with the top of a counter weight section of thick bamboo, be provided with a plurality of spacing fixed establishment who is used for fixed steel reinforcement cage in the counter weight section of thick bamboo, spacing fixed establishment is including setting up the locating plate in a counter weight section of thick bamboo, the locating plate is provided with.
Through adopting above-mentioned technical scheme, the staff can place this counter weight section of thick bamboo on the sprue of bored concrete pile, place steel reinforcement cage in a sprue and a counter weight section of thick bamboo through the hoist and mount afterwards, then the staff alright hold the lateral wall that the locating plate towards the steel reinforcement cage through the top and remove, through mutually supporting of a plurality of locating plates, thereby fix steel reinforcement cage in a counter weight section of thick bamboo steadily, thereby when pouring into the concrete to the sprue, the steel reinforcement cage can be through the fixed spacing down of a counter weight section of thick bamboo all the time, keep the position of elevation, thereby realize reducing the possibility of steel reinforcement cage at slip casting in-process come-up.
The present invention may be further configured in a preferred embodiment as: the jacking assembly comprises positioning rods arranged on the positioning plate, the end parts of the positioning rods are hinged to the side wall of the positioning plate, and driving parts for driving the end parts of the two positioning rods to be away from or close to each other are arranged at the other ends of the side wall positioning rods of the two positioning rods.
Through adopting above-mentioned technical scheme, the subassembly during operation is held on the top, and the tip of two locating levers of staff's accessible locating lever tip removes in opposite directions for the angle of two locating levers between a counter weight section of thick bamboo and locating plate is changed to the vertical state by the slope, thereby makes a locating plate can remove the certain distance to the steel reinforcement cage by a counter weight section of thick bamboo relatively, makes two locating plates can paste and lean on the lateral wall at the steel reinforcement cage, fixes the steel reinforcement cage in the notes hole then.
The present invention may be further configured in a preferred embodiment as: the driving piece comprises a screw rod vertically arranged on the counterweight barrel, opposite threads are arranged on the screw rod from the middle of the screw rod to the two ends of the screw rod, two sliding blocks are connected to the screw rod in a threaded mode, the two sliding blocks are located on the two opposite threads of the screw rod respectively, and the end portion of the positioning rod is hinged to the side wall of the sliding block, which deviates from the counterweight barrel.
Through adopting above-mentioned technical scheme, the driving piece during operation, the staff accessible rotates the screw rod, because the screw rod begins to be equipped with opposite screw thread from its middle part to its both ends, and threaded connection has two sliders on the screw rod, and two sliders are located two opposite screw threads of screw rod respectively, so the rotation of screw rod can make two sliders move or keep away from each other along the length direction of screw rod to the tip that drives two locating levers is followed two sliders and is close to each other or keeps away from.
The present invention may be further configured in a preferred embodiment as: the both ends of screw rod respectively are provided with an otic placode perpendicularly, the otic placode sets up with a counter weight section of thick bamboo is perpendicular, and the lateral wall fixed connection of the lateral wall of otic placode and a counter weight section of thick bamboo, the lateral wall that the tip of screw rod passed the otic placode is provided with the rotary disk that the staff of being convenient for rotated the screw rod perpendicularly.
Through adopting above-mentioned technical scheme, can connect the stable rotation of screw rod on the lateral wall of a counter weight section of thick bamboo, and staff's accessible rotary disk convenient rotation screw rod reduces staff's intensity of labour then, promotes work efficiency.
The present invention may be further configured in a preferred embodiment as: the locating plate is arranged in an arc shape.
Through adopting above-mentioned technical scheme for the outside wall looks adaptation of locating plate and steel reinforcement cage.
The present invention may be further configured in a preferred embodiment as: and a plurality of convex blocks are arranged on the side wall of the positioning plate facing the reinforcement cage.
Through adopting above-mentioned technical scheme, the lug can insert on the lateral wall of steel reinforcement cage under the removal of locating plate to make the locating plate more stable to steel reinforcement cage's fixed, reduce the possibility of steel reinforcement cage come-up.
The present invention may be further configured in a preferred embodiment as: the end part of the lug is arranged in an arc shape.
Through adopting above-mentioned technical scheme for the lug is inserted and is broken away from the steel reinforcement cage more smoothly.
The present invention may be further configured in a preferred embodiment as: the bottom of the counterweight cylinder extends outwards to form a flange, and a plurality of counterweight blocks are arranged on the flange.
Through adopting above-mentioned technical scheme, turn-ups set up to make a counter weight section of thick bamboo establish more stably at the founding on ground, and the dead weight of a counter weight section of thick bamboo can further be increased in the setting of balancing weight simultaneously to a further fixed stability of a counter weight section of thick bamboo to the steel reinforcement cage of increase.
To sum up, the utility model discloses a following beneficial technological effect:
1. the steel reinforcement cage is stably fixed in the counterweight barrel through the mutual matching of the positioning plates, so that when concrete is poured into the pouring hole, the steel reinforcement cage can always keep a standard height position through the fixed limit of the counterweight barrel, and the possibility of floating of the steel reinforcement cage in the grouting process is reduced;
2. the convex block can be inserted into the side wall of the reinforcement cage under the movement of the positioning plate, so that the fixation of the positioning plate on the reinforcement cage is more stable, and the possibility of the reinforcement cage floating is reduced;
3. after the cast-in-place pile is poured, the positioning plate can be separated from the steel reinforcement cage through the jacking mechanism of the working personnel, and then the counterweight barrel is lifted away from the injection hole, so that the cast-in-place pile can be continuously used next time.
Drawings
Fig. 1 is a sectional view showing an internal structure of a weight tube.
In the figure, 1, a counterweight cylinder; 11. flanging; 111. a balancing weight; 2. injecting holes; 3. a reinforcement cage; 4. a limiting and fixing mechanism; 41. positioning a plate; 411. a bump; 42. a jacking assembly; 421. positioning a rod; 422. a drive member; 4221. a screw; 4222. an ear plate; 4223. rotating the disc; 4224. a slide block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the device for preventing a bored concrete pile steel reinforcement cage 3 from floating up disclosed by the present invention comprises a counterweight cylinder 1 arranged on the upper side of a bored concrete pile hole 2, wherein a flange 11 extends outwards from the bottom of the counterweight cylinder 1, and four counterweight blocks 111 are uniformly placed on the side wall of the flange 11 to increase the dead weight of the counterweight cylinder 1; the reinforcing cage 3 is vertically inserted into the injection hole 2, the reinforcing cage 3 and the injection hole 2 are coaxially arranged, the bottom of the reinforcing cage 3 is arranged at the bottom of the injection hole 2, the top of the reinforcing cage 3 extends into the counterweight barrel 1 and is flush with the top of the counterweight barrel 1, two limiting fixing mechanisms 4 for fixing the reinforcing cage 3 are arranged in the counterweight barrel 1, and the two limiting fixing mechanisms 4 are symmetrically arranged; spacing fixed establishment 4 includes vertical setting locating plate 41 in a counter weight section of thick bamboo 1, locating plate 41 is the arc, and perpendicular rigid coupling has a plurality of lugs 411 on locating plate 41 towards steel reinforcement cage 3's lateral wall, a plurality of lugs 411 evenly arrange along locating plate 41's lateral wall, and lug 411's tip is the arc setting, thereby be convenient for lug 411 insert in the middle of the gap of steel reinforcement cage 3, make locating plate 41 more stable to steel reinforcement cage 3's fixed, locating plate 41 is provided with the top with 1 inside wall of a counter weight section of thick bamboo and holds locating plate 41 and remove the top towards steel reinforcement cage 3 and hold subassembly 42.
Referring to fig. 1, the propping assembly 42 includes two positioning rods 421 disposed on the positioning plate 41, ends of the positioning rods 421 are hinged to side walls of the positioning plate 41, in this embodiment, hinged points of the two positioning rods 421 and the positioning plate 41 are close to each other, and a plane formed by the two positioning rods 421 and the positioning plate is perpendicular to a horizontal plane, and the other ends of the side wall positioning rods 421 of the two positioning rods 421 are disposed with driving members 422 for driving the ends of the two positioning rods 421 to move away from or close to each other; the driving part 422 comprises a screw rod 4221 vertically arranged on the counterweight barrel 1, two ends of the screw rod 4221 are respectively and vertically provided with an ear plate 4222, the ear plates 4222 are vertically arranged with the counterweight barrel 1, the side wall of each ear plate 4222 is fixedly connected with the side wall of the counterweight barrel 1, the screw rod 4221 is rotationally connected with the side wall of each ear plate 4222 through a bearing (not shown in the figure), the end part of the screw rod 4221 penetrates through the side wall of each ear plate 4222 to be vertically provided with a rotating disc 4223 which is convenient for a worker to rotate the screw rod 4221, and the rotating disc 4223 is arranged on the upper side of the counterweight barrel 1; opposite threads are arranged from the middle of the screw 4221 to the two ends of the screw 4221, two sliding blocks 4224 are connected to the screw 4221 in a threaded mode, each sliding block 4224 is a rectangular block with the side abutting against the inner side wall of the counterweight cylinder 1, the two sliding blocks 4224 are located on the two opposite threads of the screw 4221 respectively, and the end portion of the positioning rod 421 is hinged to the side wall, away from the counterweight cylinder 1, of each sliding block 4224.
When the jacking assembly 42 works, a worker can rotate the screw 4221 through the driving part 422 at the end part of the positioning rod 421, namely through the rotating disc 4223, because the screw 4221 starts to be provided with opposite threads from the middle part to the two ends of the screw, and the screw 4221 is in threaded connection with two sliders 4224, the two sliders 4224 are respectively positioned on the two opposite threads of the screw 4221, the rotation of the screw 4221 can enable the two sliders 4224 to move towards or away from each other along the length direction of the screw 4221, so as to drive the end parts of the two positioning rods 421 to move towards or away from each other along with the two sliders 4224, so that the angle between the counterweight cylinder 1 and the positioning plate 41 of the two positioning rods 421 is changed from an inclined state to a vertical state, so that the positioning plate 41 can move a certain distance towards the reinforcement cage 3 relative to the counterweight cylinder 1, and the two positioning plates 41 can be attached to the side, and then the reinforcement cage 3 is fixed in the injection hole 2.
The implementation principle of the embodiment is as follows: the staff can place this counter weight section of thick bamboo 1 on the sprue gate 2 of bored concrete pile, place steel reinforcement cage 3 in sprue gate 2 and counter weight section of thick bamboo 1 through hoisting afterwards, then the staff can be through propping the locating plate 41 and moving towards the lateral wall of steel reinforcement cage 3 of subassembly 42 top-held, through the mutual cooperation of a plurality of locating plates 41, thus fix steel reinforcement cage 3 in counter weight section of thick bamboo 1 steadily, thus when pouring into the concrete in the sprue gate 2, the steel reinforcement cage 3 can be through the fixed spacing of counter weight section of thick bamboo 1 all the time, keep the position of the elevation, thus realize reducing the possibility that the steel reinforcement cage 3 floats in the slip casting process; after the cast-in-place pile is poured, the positioning plate 41 is separated from the steel reinforcement cage 3 through the jacking mechanism of the worker, and then the counterweight cylinder 1 is lifted away from the injection hole 2, so that the cast-in-place pile can be conveniently used continuously next time.
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 device for preventing bored concrete pile steel reinforcement cage come-up, is including setting up a counter weight section of thick bamboo (1) at the notes hole (2) upside of bored concrete pile, its characterized in that: reinforcing bar cage (3) are vertical to be inserted and to be established in sprue (2), and reinforcing bar cage (3) and the bottom setting of sprue (2) coaxial setting and reinforcing bar cage (3) flush the setting to the top of a counter weight section of thick bamboo (1) inside and with the top of a counter weight section of thick bamboo (1) in, be provided with a plurality of spacing fixed establishment (4) that are used for fixed reinforcing bar cage (3) in a counter weight section of thick bamboo (1), spacing fixed establishment (4) are including setting up locating plate (41) in a counter weight section of thick bamboo (1), locating plate (41) are provided with the top with a counter weight section of thick bamboo (1) inside wall and hold locating plate (41) towards reinforcing bar cage (3) removal top and hold subassembly (42).
2. An apparatus as claimed in claim 1, wherein the means for preventing uplift of the bored concrete pile cage comprises: the jacking assembly (42) comprises positioning rods (421) arranged on the positioning plates (41), the end parts of the positioning rods (421) are hinged to the side walls of the positioning plates (41), and driving parts (422) for driving the end parts of the two positioning rods (421) to be away from or close to each other are arranged at the other ends of the side wall positioning rods (421) of the two positioning rods (421).
3. An apparatus as claimed in claim 2, wherein the means for preventing uplift of the bored concrete pile cage comprises: the driving piece (422) comprises a screw rod (4221) vertically arranged on the counterweight barrel (1), opposite threads are arranged on the screw rod (4221) from the middle of the screw rod to the two ends of the screw rod, two sliding blocks (4224) are connected to the screw rod (4221) in a threaded mode, the two sliding blocks (4224) are respectively located on the two opposite threads of the screw rod (4221), and the end portion of the positioning rod (421) is hinged to the side wall of the sliding block (4224) departing from the counterweight barrel (1).
4. A device for preventing uplift of a bored concrete pile cage according to claim 3, wherein: the both ends of screw rod (4221) respectively are provided with an otic placode (4222) perpendicularly, otic placode (4222) and the perpendicular setting of a counter weight section of thick bamboo (1), and the lateral wall fixed connection of the lateral wall of otic placode (4222) and a counter weight section of thick bamboo (1), the tip of screw rod (4221) is passed the lateral wall of otic placode (4222) and is provided with rotary disk (4223) of being convenient for the staff to rotate screw rod (4221) perpendicularly.
5. An apparatus as claimed in claim 4, wherein the means for preventing uplift of the bored concrete pile cage comprises: the positioning plate (41) is arranged in an arc shape.
6. An apparatus as claimed in claim 5, wherein the means for preventing uplift of the bored concrete pile cage comprises: the side wall of the positioning plate (41) facing the reinforcement cage (3) is provided with a plurality of convex blocks (411).
7. An apparatus as claimed in claim 6, wherein the means for preventing uplift of the bored concrete pile cage comprises: the end of the lug (411) is arc-shaped.
8. An apparatus as claimed in claim 7, wherein the means for preventing uplift of the bored concrete pile cage comprises: the bottom of the counterweight cylinder (1) extends outwards to form a flange (11), and a plurality of counterweight blocks (111) are arranged on the flange (11).
CN202020156256.2U 2020-02-06 2020-02-06 Device for preventing bored concrete pile steel reinforcement cage come-up Active CN211898338U (en)

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Application Number Priority Date Filing Date Title
CN202020156256.2U CN211898338U (en) 2020-02-06 2020-02-06 Device for preventing bored concrete pile steel reinforcement cage come-up

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Application Number Priority Date Filing Date Title
CN202020156256.2U CN211898338U (en) 2020-02-06 2020-02-06 Device for preventing bored concrete pile steel reinforcement cage come-up

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112281896A (en) * 2020-11-25 2021-01-29 成都城投建筑工程有限公司 Construction pile foundation structure of rotary drilling rig and construction method thereof
CN113502808A (en) * 2021-06-30 2021-10-15 天津市建筑构件工程有限公司 Pile foundation reinforcement cage anti-floating device and anti-floating method
CN113718655A (en) * 2021-09-02 2021-11-30 安徽省路桥工程集团有限责任公司 Steel reinforcement cage hanging and positioning device and free hanging and positioning method
CN114892658A (en) * 2022-04-25 2022-08-12 四川中港建设工程有限公司 Forming device and forming method for cast-in-place pile
CN115369876A (en) * 2022-07-15 2022-11-22 安徽昌健建筑劳务有限公司 Bridge implanted tubular pile positioning device and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112281896A (en) * 2020-11-25 2021-01-29 成都城投建筑工程有限公司 Construction pile foundation structure of rotary drilling rig and construction method thereof
CN112281896B (en) * 2020-11-25 2022-01-04 成都城投建筑工程有限公司 Construction pile foundation structure of rotary drilling rig and construction method thereof
CN113502808A (en) * 2021-06-30 2021-10-15 天津市建筑构件工程有限公司 Pile foundation reinforcement cage anti-floating device and anti-floating method
CN113502808B (en) * 2021-06-30 2022-02-01 天津市建筑构件工程有限公司 Pile foundation reinforcement cage anti-floating device and anti-floating method
CN113718655A (en) * 2021-09-02 2021-11-30 安徽省路桥工程集团有限责任公司 Steel reinforcement cage hanging and positioning device and free hanging and positioning method
CN113718655B (en) * 2021-09-02 2022-12-27 安徽省路桥工程集团有限责任公司 Steel reinforcement cage hanging and positioning device and free hanging and positioning method
CN114892658A (en) * 2022-04-25 2022-08-12 四川中港建设工程有限公司 Forming device and forming method for cast-in-place pile
CN114892658B (en) * 2022-04-25 2024-01-26 四川中港建设工程有限公司 Forming device and forming method for cast-in-place pile
CN115369876A (en) * 2022-07-15 2022-11-22 安徽昌健建筑劳务有限公司 Bridge implanted tubular pile positioning device and method
CN115369876B (en) * 2022-07-15 2023-08-18 安徽昌健建筑劳务有限公司 Bridge implanted pipe pile positioning device and method

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