CN218562335U - Construction device for statically breaking pile head - Google Patents

Abstract

The utility model discloses a construction equipment of static broken pile head, concretely relates to bored concrete pile head construction technical field. The method specifically comprises the following steps: a construction device for statically breaking pile heads comprises a steel reinforcement cage and stirrups, wherein the stirrups are arranged around the steel reinforcement cage in an annular manner; a plurality of supporting pipelines are vertically arranged above the stirrups, a water through pipe is annularly arranged at the lower end of each stirrup, a first pipeline is arranged on the inner side of the plane where the water through pipe is located, and an expansion part is arranged in the first pipeline; the water pipe is provided with a second pipeline communicated with the first pipeline, and the support pipeline is internally provided with a third pipeline communicated with the water pipe. This kind of break static construction equipment of pile head, whole structure all utilizes the inside pre-buried pipe fitting of simple structure's pile head to carry out the pile head and breaks, easy operation, and green guarantees the pile head and breaks construction quality, improves the pile head and breaks the efficiency of construction, reduces construction cost.

Description

Construction device for statically breaking pile head

Technical Field

The utility model relates to a bored concrete pile head construction technical field, especially a construction equipment of pile head is abolished to static state.

Background

Cast-in-place pile is at the filling in-process, and the concrete is from up rolling down, can have the coarse aggregate to sink at the in-process that rolls, and the fine aggregate come-up leads to appearing the laitance, especially pile bolck part, and the laitance is serious, further leads to the pile bolck concrete intensity relatively poor. In order to ensure the concrete strength of the whole pile body, a part (usually 0.8-1.0 m) of the concrete, which exceeds the designed elevation of the pile top, needs to be poured, and then the redundant part is removed after excavation.

The traditional pile head is broken by adopting a construction mode that a main reinforcing steel bar is firstly stripped, so that pile head concrete is separated from the reinforcing steel bar, then a pneumatic pick is used for drilling at the designed pile top elevation position, and finally a steel wedge is driven into a hole to lift off the pile head. Mainly adopt the manual work to abolish in the whole work progress, the time consuming is long, and the efficiency of construction is low, heavy physical work, and the cost of labor is higher, and it is big to produce the noise simultaneously, and the raise dust pollutes seriously.

For important roads in urban areas, according to the traditional construction process of pile head breaking, the noise is large, and the noise pollution seriously affects the lives of surrounding residents; the construction process has large dust, is not beneficial to dust control and is also not beneficial to the health of constructors; when the bonding part of the steel bar and the concrete is broken, on one hand, the electric pick is easy to hit the steel bar by mistake, so that the steel bar is bent, deformed and even damaged; on the other hand, the surface of the steel bar is polluted and even corroded due to the bonding of the concrete, and the steel bar needs to be cleaned for the second time after being stripped.

The traditional method mainly adopts manual removal, but has low efficiency and high labor intensity. The special equipment for breaking the pile heads appears in the market in recent years, the hydraulic system is mainly used for providing power, the hydraulic power is adopted for forcibly crushing the pile heads to break the stones or break the piles, the pile breaking efficiency is greatly improved, the flatness of the pile tops is poor after the piles are broken, the reserved reinforcing steel bars on the pile tops are easy to deform, bend and even break in the pile head breaking process, the later reinforcing steel bar correcting difficulty is increased, the noise generated in the breaking process is large, and the dust pollution is serious.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: aiming at the problems of high labor intensity, high noise generated in the breaking process, serious dust pollution and the like in the prior art, the construction device for statically breaking the pile head is low in noise, low in labor intensity and high in environmental protection.

In order to realize the purpose, the utility model discloses a technical scheme be:

a construction device for statically breaking pile heads comprises a steel reinforcement cage and stirrups, wherein the stirrups are arranged around the steel reinforcement cage in the circumferential direction, a plurality of supporting pipelines are vertically arranged above the stirrups, a water pipe is arranged at the lower end of each stirrup in the circumferential direction, a plurality of pipelines I are arranged in an annular area defined by the stirrups, and an expansion part is arranged in each pipeline I;

the water service pipe is provided with a second pipeline communicated with the first pipeline, and the support pipeline is internally provided with a third pipeline communicated with the water service pipe.

The utility model discloses a construction equipment of static broken pile head, utilize the pick to squeeze into steel wedge behind the drilling in the hole and lift off the pile head when comparing in the artifical broken pile head of traditional approach to it is big to lead to intensity of labour, the inefficiency and use hydraulic means to break off the technical defect that the in-process noise production is big and the raise dust pollutes seriously, the utility model discloses a construction equipment of static broken pile head, it replaces the reinforcing bar owner muscle to use the support tube to break off the pile head, sets up annular water service pipe simultaneously in the stirrup below of mark high pile head stage department, and lie in the pipeline one that pile head elevation face and inside packing have the inflation portion equally, water service pipe department extends pipeline two and pipeline three, and pipeline three sets up in the support tube, and pipeline two then communicate together with pipeline one, when the pile head is pour and is accomplished and need be demolishd, from pipeline three water passing through, water passes through water service pipe and pipeline two and pipeline one, and the inflation portion in pipeline one takes place chemical reaction, thereby produce ascending stress, thereby can demolish the pile head smoothly. The static pile head breaking construction device with the structure has the advantages of simple structural arrangement, low cost, no noise and no dust in the breaking process, complete pile head reinforcing steel bars and smooth pile heads.

As the utility model discloses a preferred scheme, still include the breather pipe of annular form, the breather pipe set up in the stirrup top, the intercommunication has pipeline four and pipeline five on the breather pipe, pipeline four with pipeline one intercommunication, pipeline five one end set up in the supporting pipeline, the intercommunication has pipeline six on the water service pipe, pipeline six with the breather pipe intercommunication. Furthermore, after the sixth pipeline is arranged, the vent pipe is communicated with the water service pipe, and meanwhile, the first pipeline is connected with the water service pipe and the vent pipe, so that when the pile head is removed through water injection, the vent pipe is connected with the outside, the pressure in the first pipeline is balanced with the outside in the water injection process, and water can be injected better.

As the utility model discloses a preferred scheme, the breather pipe includes a plurality of pipeline unit two, adjacent two pipeline unit two is through setting up the joint intercommunication in the centre, and is a plurality of pipeline unit two and a plurality of joint end to end concatenation intercommunication forms the breather pipe. Further, the difference between the air pipe and the water pipe is that the water pipe needs water, so the water pipe is arranged at the position of the pile head elevation, and in order to ensure that the pile head is poured, the bottom elevation is even, so the air pipe is arranged above the stirrup as a reasonable choice, but the position of the air pipe can be reasonably changed.

As the utility model discloses a preferred scheme, the water service pipe includes a plurality of pipeline unit one, adjacent two pipeline unit one is through setting up the joint intercommunication in the middle, and is a plurality of pipeline unit one and a plurality of the concatenation of joint end to end forms the water service pipe. Furthermore, as the annular integrated pipeline is difficult to manufacture and has low universality, the first pipeline unit is communicated by using the joint, so that the universality of the whole water service pipe is greatly improved.

As the preferred scheme of the utility model, the joint has three intercommunication opening at least. Furthermore, the joint is provided with two communication ports for communicating two adjacent pipeline units I, and the water passing pipe is also provided with a second pipeline and a third pipeline; and the six pipelines for communicating the vent pipe and the water service pipe can be arranged on the same joint or can be arranged separately. The connector therefore has at least three communicating ports.

As the preferred scheme of the utility model, all pipeline one even, interval arrange in stirrup internal periphery side. Furthermore, in order to keep the pile face flat after the pile head is broken, the stress generated after the expansion part reacts with water after water injection should be balanced to achieve the purpose. Therefore, the pipelines should be uniformly and alternately arranged.

As the preferred scheme of the utility model, support piece has been arranged in the pipeline one, support piece one end with the fixed intercommunication of stirrup. Further, the support member is provided to place the first pipe so that it is held at the pile head elevation surface without moving up and down.

As the utility model discloses a preferred scheme, a plurality of arbitrary two in the support pipeline all be provided with simultaneously in the support pipeline the water service pipe with breather pipe, one the support pipeline top is the water inlet, another the support pipeline top is the delivery port.

As the utility model discloses a preferred scheme, the water service pipe with the breather pipe set up in the stay tube way pipe body, be provided with silt, gravel and sand or sand filling portion in the stay tube way. Further, in order to reinforce the strength of the supporting pipe, it is necessary to provide some of the filling portions inside. The solid particles can be fine-diameter solid particles, wherein silt, sand or sandy soil and fine sand are all the fillers meeting the requirements.

As the utility model discloses a preferred scheme, total piping installation include the water service pipe pipeline two pipeline three pipeline one pipeline unit one the breather pipe pipeline four pipeline five pipeline unit two and support the pipeline, pipeline one with be provided with the waterproof layer on the relative other end of one end that connects, total piping installation's all connect each intercommunication through-hole department and be provided with the waterproof layer. Furthermore, the waterproof layer can be replaced by a waterproof adhesive tape or a waterproof film, and the waterproof adhesive tape or the waterproof film is mainly used for wrapping and sealing the whole device to prevent moisture from entering.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a construction equipment of static broken pile head that removes, use the support pipeline to replace the reinforcing bar owner muscle, stirrup below at mark high pile head stage department sets up the annular water service pipe simultaneously, and be located pile head elevation face and inside packing equally and have the pipeline one of inflation portion, water service pipe department extends pipeline two and pipeline three, pipeline three sets up in the support pipeline, pipeline two then communicates with pipeline one together, when the pile head is pour and is accomplished and need be demolishd, from three water-passing of pipeline, water flows through water service pipe and pipeline two and flows into pipeline one, the chemical reaction takes place for the inflation portion in the pipeline one, thereby produce ascending stress, thereby demolish the pile head. The static pile head breaking construction device with the structure has the advantages of simple structural arrangement, low cost, no noise and no dust in the breaking process, complete pile head reinforcing steel bars and smooth pile heads.

2. The utility model discloses a construction equipment of static pile head that breaks away, assemble through joint and pipeline unit one, increased the universality of whole device; simultaneously, whole structure all utilizes the inside pre-buried pipe fitting of simple structure's pile head to carry out the pile head and abolishes, easy operation, and green guarantees the pile head and abolishes construction quality, improves the pile head and abolishes the efficiency of construction, reduces construction cost.

Drawings

Fig. 1 is a schematic structural view of a construction device for statically breaking a pile head of the present invention;

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

FIG. 3 is a schematic view of a structure of a stirrup and a pipe of a construction device for statically breaking a pile head according to the present invention;

FIG. 4 is a schematic view of the construction device for statically breaking pile heads according to the present invention, in which only the air pipe is provided;

fig. 5 is a schematic view of the construction device for statically removing the pile head according to the present invention, which is only provided with a water pipe structure.

The labels in the figure are: 100-a reinforcement cage, 1-a water pipe, 11-a pipeline II, 12-a pipeline III, 13-a pipeline unit I, 14-a pipeline six, 200-a stirrup, 2-a joint, 3-a pipeline I, 31-an expansion part, 32-a support part, 4-a vent pipe, 41-a pipeline IV, 42-a pipeline five, 43-a pipeline unit II, 5-a support pipeline and 51-a filling part.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

The utility model discloses a construction equipment of static pile head that abolishes, overall structure all utilizes the inside pre-buried pipe fitting of simple structure's pile head to carry out the pile head and abolishes.

Foretell construction equipment of static broken pile head, its structure has included: when the pile head concretes, the structure that itself has is: a reinforcement cage 100 and a stirrup 200, wherein the stirrup 200 is circumferentially disposed around the reinforcement cage 100 to form the entire pile head frame.

In order to carry out static abolishing to the pile head in the later stage, as shown in fig. 1, vertically be provided with a plurality of support tube ways 5 in stirrup 100 top, support tube way 5 is on the vertical reinforcing bar that corresponds the setting steel reinforcement cage 100, mainly when preventing the pile head in the later stage to abolish, do not need the separation owner muscle just can directly demolish the pile head. Meanwhile, the lower end of the stirrup 200 is provided with a water pipe 1 in a circumferential direction, the stirrup 200 is a closed circular plane, a first pipeline 3 filled with an expansion part 31 is arranged in the circular plane, and the expansion part 31 mainly comprises various reagents capable of reacting with water and expanding. In order to feed water after the pile head is poured, a second pipeline 11 communicated with the first pipeline 3 is arranged on the water feeding pipe 1, and a third pipeline 12 communicated with the water feeding pipe 1 is arranged in the supporting pipeline 5, so that the aim of feeding water is fulfilled.

Meanwhile, as shown in fig. 2, in order to ensure that the pressure in the first pipe 3 is balanced with the outside, a vent pipe 4 and a sixth pipe 14 are provided. As shown in fig. 3, 4 and 5, the vent pipe 4 and the water pipe 1 are arranged in the same manner, the vent pipe 4 is annularly arranged above the stirrup 200, the vent pipe 4 is provided with a pipe fourth 41 and a pipe fifth 42, the pipe fourth 41 is communicated with the pipe first 3, the pipe fifth 42 is arranged in the support pipe 5, the water pipe 1 is provided with a pipe sixth 14, the pipe sixth 14 is communicated with the vent pipe 4, after the pipe sixth 14 is communicated, the vent pipe 4 is communicated with the water pipe 1, and the pipe first 3 is connected with the water pipe 1 and the vent pipe 4, so that when the pile head is removed by water injection, the vent pipe 4 is connected with the outside, the pressure in the pipe first 3 is kept balanced with the outside in the water injection process, and water injection can be better.

In order to improve the universality of the whole water service pipe 1 and the whole vent pipe 4, the water service pipe 1 and the vent pipe 4 are arranged into units communicated through the joints 2, one joint 2 is communicated with two adjacent pipeline units 13, and then the water service pipe 1 is formed by splicing and communicating a plurality of pipeline units 13 and a plurality of joints 2 end to end. Similarly, the air pipe 4 is formed by splicing a plurality of second pipeline units 43 and a plurality of joints 2 end to end. The communication mode and material of the water pipe 1 and the pile head are not different, and the main difference is that the water pipe 1 needs to be arranged at the position of the elevation of the pile head because the water pipe 1 needs to be communicated with water, so that the bottom elevation is relatively level in the pile head pouring process, and a relatively flat pile surface is obtained finally.

In order to ensure that the pile surface is relatively flat, all the first pipelines 3 are required to be uniformly and alternately arranged on the inner peripheral side of the stirrup 200, so that the stress generated after the expansion part 31 reacts with water after water injection is balanced, and the fracture surface of the pile head can be kept flat. In order to prevent the first pipe 3 from moving up and down, a support member 32 is provided in fixed communication with the stirrup 200, and the support member 32 may be a reinforcing bar.

The connector 2 is special in form, and the connector 2 is provided with two communicating ports which need to be communicated with the adjacent two pipeline units I13 or the adjacent two pipeline units II 43, and meanwhile, a plurality of branch pipes are arranged on the two pipelines, and the directions of the branch pipes are different. For example, the water pipe 1 is further provided with a second pipeline 11 and a third pipeline 13, and the second pipeline 11 and the third pipeline 12 are not in the same direction, so that the second pipeline 11 and the third pipeline 12 can be simultaneously arranged on one joint 2, but can also be separately arranged; and a pipeline six 14 for communicating the vent pipe 4 and the water pipe 1 can be arranged on the same joint or can be arranged separately. The connection 2 is thus a connection 2 with at least three communicating ports or a connection 2 with more communicating ports.

Since the supporting pipe 5 needs to be filled with some filling parts 51 for enhancing the strength, the filling parts 51 are preferably selected from solid particles with fine diameter, wherein fine sand is one of the satisfactory fillings, and the diameter of the supporting pipe 5 is larger than the sum of the diameters of the water pipe 1 and the air pipe 4 for placing the water pipe 1 and the air pipe 4.

If there is a water inlet, there is a water outlet, so that there are several support pipes 5 vertically arranged above the stirrup 200, and if the water pipe 1 and the air pipe 4 arranged in one support pipe 5 are water inlets, then there is necessarily a water pipe 1 and an air pipe 4 arranged in another support pipe 5 as water outlets. In order to prevent water leakage, a waterproof film is arranged at the position of the pipeline after the arrangement is finished, wherein the waterproof film is required to be arranged at the tail end of the first pipeline 3 and is arranged at the position of each communication through hole of the joint 2, and the waterproof film can be replaced by a waterproof adhesive tape to wrap and seal the whole device to prevent water from entering.

The beneficial effects of this embodiment: the utility model discloses a construction equipment of static pile head of abolishing, structural arrangement is simple, with low costs, abolishes the in-process noiselessness, does not have the dust, and the pile head reinforcing bar is complete, and the pile head levels.

Example 2

Embodiment 1's construction equipment of static pile head of demolishing, because whole structure sets up the part more for when demolising the pile head, concrete operating procedure is more, and it demolishs the step, specifically includes:

the first step is as follows: at the position of a pile top design elevation cross section annular stirrup 200 of the pile foundation reinforcement cage 100, a 16mm aluminum-plastic annular vent pipe 4 is arranged above the stirrup 200, and a 16mm aluminum-plastic annular water pipe 1 is arranged below the stirrup 200.

The arrangement steps specifically include:

(1) Two vertical main reinforcements of the reinforcement cage 100 are respectively selected as fixed supporting points of an inlet and an outlet of the annular vent pipe 4 and the water service pipe 1, a phi 50mm aluminum-plastic pipe supporting pipeline 5 is arranged on the vertical main reinforcements, and fine sand 51 is filled in the vertical main reinforcements.

(2) The annular water through pipe 1 is provided with a three-way joint 2, and one end of a pipeline III 12 enters a pipeline I3 of an aluminum plastic pipe with the diameter of 50mm from the lower part of the front end; meanwhile, the annular vent pipe 1 is provided with a three-way joint 2, and a pipeline five 43 communicated with the annular vent pipe 4 is arranged above the tail part of the first 50 mm-diameter aluminum-plastic pipe pipeline 3. All pipelines and inlets and outlets are bound and fixed by iron wires according to the space of 300 mm.

The second step is that: at the designed elevation cross section position of the pile top of the pile foundation reinforcement cage 100, 150mm phi 12 threaded steel bars 32 are transversely arranged in the direction pointing to the circle center along the circumferential direction of the section at intervals of 300mm, the pile top positions of the phi 12 threaded steel bars 32 are welded and fixed with the annular stirrups 200, and the phi 12 threaded steel bars 32 are ensured to be on the same horizontal plane after being fixed.

The phi 12 twisted steel bar 32 is sleeved in the aluminum-plastic pipe 3 with the inner diameter phi 50mm and the length 160mm, and the dry powder expanding agent 31 is filled in the aluminum-plastic pipe 3.

The third step: the tail part and the end part of the phi 50mm aluminum plastic pipe 3, the joint part of the phi 50mm aluminum plastic pipe 3, the vent pipe 4 and the water through pipe 1 and the end of the phi 50mm PVC pipeline 5 are wrapped and sealed by waterproof adhesive tapes to prevent water from entering.

The fourth step: after the pile foundation is formed into a hole, the pile foundation reinforcement cage 100 is installed. Ensure that cage 100 falls into the pile hole perpendicularly, and fix the pile bolck elevation through hanging the muscle accuracy.

The fifth step: after the pile foundation concrete reaches the design strength, the water pipe 1 is filled with water.

And a sixth step: and excavating the pile head earthwork to the designed elevation of the pile top, and directly hoisting the pile head by adopting machinery.

Under this kind of construction equipment, after dismantling, compare in traditional construction process, take a pile head of 1.5m pile foundation as an example, its comparative result table is as follows:

according to the result of the upper table, the pile head is dismantled by the construction device, the time cost is low, the construction cost is relatively low, the environment is not affected, the construction process is noiseless and dustless, PM2.5 reaches the standard, the breaking efficiency is high, and the acceleration of the engineering progress is facilitated.

The beneficial effects of this embodiment: the utility model discloses a construction equipment of pile head is abolished to static state, overall structure all utilizes the inside pre-buried pipe fitting of simple structure's pile head to carry out the pile head and abolishes, easy operation, and green guarantees the pile head and abolishes construction quality, improves the pile head and abolishes the efficiency of construction, reduces construction cost.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (10)

1. A construction device for statically breaking pile heads comprises a reinforcement cage (100) and stirrups (200), wherein the stirrups (200) are arranged around the reinforcement cage (100) in the circumferential direction,

a plurality of supporting pipelines (5) are vertically arranged above the stirrups (200), a water pipe (1) is annularly arranged at the lower end of each stirrup (200), a plurality of pipelines I (3) are arranged in an annular area defined by the stirrups (200), and expansion parts (31) are arranged in the pipelines I (3);

the water service pipe (1) is provided with a second pipeline (11) communicated with the first pipeline (3), and the support pipeline (5) is provided with a third pipeline (12) communicated with the water service pipe (1).

2. The construction device for statically breaking the pile head is characterized by further comprising an annular vent pipe (4), wherein the vent pipe (4) is arranged above the hoop (200), the vent pipe (4) is communicated with a pipeline four (41) and a pipeline five (42), the pipeline four (41) is communicated with the pipeline one (3), one end of the pipeline five (42) is arranged in the supporting pipeline (5), the water service pipe (1) is communicated with a pipeline six (14), and the pipeline six (14) is communicated with the vent pipe (4).

3. A construction device for statically breaking a pile head according to claim 2, wherein the aeration pipe (4) comprises a plurality of second pipeline units (43), two adjacent second pipeline units (43) are communicated through the joint (2) arranged in the middle, and the plurality of second pipeline units (43) and the joints (2) are spliced and communicated end to form the aeration pipe (4).

4. A static pile head breaking construction device according to claim 3, wherein the water service pipe (1) comprises a plurality of pipeline units one (13), two adjacent pipeline units one (13) are communicated through the joint (2) arranged in the middle, and the plurality of pipeline units one (13) and the plurality of joints (2) are spliced end to form the water service pipe (1).

5. A static pile head breaking device according to claim 4, wherein the joint (2) has at least three communicating ports.

6. The construction equipment for statically breaking pile head according to claim 5, wherein the water pipe (1) and the air pipe (4) are arranged in any two of the support pipes (5) of the plurality of support pipes (5), and a water inlet is arranged above one support pipe (5) and a water outlet is arranged above the other support pipe (5).

7. The construction equipment for statically breaking pile head as claimed in claim 6, wherein the water pipe (1) and the air pipe (4) are arranged in the supporting pipe (5), and the supporting pipe (5) is provided with a filling part (51) of silt, sand and stone or sandy soil.

8. The construction equipment for statically breaking the pile head according to claim 7, wherein a main pipeline device comprises the water service pipe (1), the second pipeline (11), the third pipeline (12), the first pipeline (3), the first pipeline unit (13), the vent pipe (4), the fourth pipeline (41), the fifth pipeline (42), the second pipeline unit (43) and the support pipeline (5), a waterproof layer is arranged at the other end of the first pipeline (3) opposite to the end where the joint (2) is arranged, and the waterproof layer is arranged at each communication through hole of all the joints (2) of the main pipeline device.

9. A static pile head demolition construction device as claimed in claim 1, wherein all the first pipes (3) are uniformly and spaced on the inner circumferential side of the stirrup (200).

10. A static pile head breaking construction device according to claim 1, characterized in that a support member (32) is arranged in the first pipe (3), and one end of the support member (32) is fixedly communicated with the stirrup (200).

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