CN210194629U

CN210194629U - Hopper connecting structure for cast-in-place pile during pouring

Info

Publication number: CN210194629U
Application number: CN201920851297.0U
Authority: CN
Inventors: Zhenhua Sun; 孙振华; Xianwei Ji; 纪现伟; Chengfeng Sun; 孙承峰; Jiapeng Li; 李嘉鹏; Xin Wang; 王鑫; Shaoqiang Chen; 陈少强
Original assignee: China State Construction Port Engineering Group Co Ltd
Current assignee: China State Construction Port Engineering Group Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-27
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a hopper connection structure when bored concrete pile pours into relates to building pile foundation construction technical field, including installing the hopper on a plurality of sections pipes and pipe in the bored concrete pile, the last port and the lower port of pipe are equipped with external screw thread and internal thread respectively, the lower extreme screws fixed connection through the screw thread on the pipe, the discharge gate department of hopper is equipped with the internal thread and passes through screw thread fixed connection with the pipe of top the external screw thread lower extreme of the last port of pipe is equipped with and keeps off the ring, keep off ring department and inserted the annular snap ring of semicircle, wire rope winds contralateral and both ends of snap ring are passed respectively fixed connection is in behind the both ends of snap ring the both sides of discharge gate. This novel this structure can quick assembly disassembly hopper and pipe, reduces the number of times of lifting by crane simultaneously for the speed of filling of concrete thick liquid.

Description

Hopper connecting structure for cast-in-place pile during pouring

Technical Field

The utility model relates to a building pile foundation construction technical field, concretely relates to hopper connection structure when bored concrete pile pours into.

Background

The concrete pouring construction is an important link in the pouring pile construction, under the normal condition, the pouring speed has obvious influence on the filling coefficient of the pouring pile, and especially under the condition that a flow-plastic mucky soil layer exists, the influence of the pouring speed on the filling coefficient of the pouring pile is more obvious; during the construction, install the branch liquid level department that a plurality of sections pipes stretched into the bottom in stake hole in the bored concrete pile, install the hopper in the top of pipe, pour into the stake hole with the concrete thick liquid from the hopper, divide the liquid level to rise gradually along with the pouring of concrete, at the in-process that divides liquid level to rise, need lift the pipe and remove the pipe from upper portion in proper order, every section pipe length generally is 2.5 meters-3 meters, when demolising: firstly, hoisting and detaching a hopper, then placing the hopper on one side, hoisting a first conduit, detaching the first conduit, then placing the first conduit on one side, hoisting the hopper, and then installing the hopper at the pipe head of a second conduit, and continuously pouring concrete after the steps are completed, so that the once-detached conduit needs to be hoisted three times, the efficiency of detaching and installing the conduit and the hopper is lower, the pouring speed of the whole pouring pile is lower, the filling coefficient of the concrete is greatly influenced, and the pouring quality cannot be ensured; in addition, the hopper is dismantled and needs to be placed on the open ground, and the mud piece adhesion is in the discharge gate of hopper, causes the pollution in the concrete thick liquid of easy thoughtlessly advancing.

Disclosure of Invention

In order to solve the problems of the prior art, the utility model provides a hopper connection structure when bored concrete pile pours into, this structure can quick assembly disassembly hopper and pipe, reduces the number of times of lifting by crane simultaneously for the speed of pouring into of concrete thick liquid.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a hopper connection structure when bored concrete pile pours into, is including installing the hopper on a plurality of sections pipes and pipe in the bored concrete pile, the last port and the lower port of pipe are equipped with external screw thread and internal thread respectively, the lower extreme screws fixed connection through the screw thread on the pipe, the discharge gate department of hopper is equipped with the internal thread and passes through screw thread fixed connection with the pipe of top the external screw thread lower extreme of the last port of pipe is equipped with and keeps off the ring, keep off ring department and inserted the annular snap ring of semicircle, wire rope winds offside and both ends of snap ring are passed respectively fixed connection is in behind the both ends of snap ring the both sides of discharge gate.

Preferably, the fender ring is two, and parallel the fixing be in the up end mouth department of pipe, the snap ring card is two in the annular that forms between the fender ring, just the width of annular with snap ring thickness equals.

Preferably, the snap ring with all be equipped with the pinhole on the fender ring, the pinhole aligns the back and has inserted the pin location. When the guide pipe is disassembled, the clamping ring is clamped in the annular groove between the two retaining rings to lift the guide pipe, and meanwhile, the clamping ring and the retaining rings are further fixed by the pin, so that the clamping ring can be prevented from rotating in the annular groove.

Preferably, the two ends of the clamping ring extend outwards to form lifting lugs, lifting holes are formed in the lifting lugs, and the steel wire rope penetrates through the upper end of the lifting holes from the lower end of the lifting holes.

Preferably, the distance between the circle center of the lifting hole and the circle center of the inner diameter of the clamping ring is larger than the outer diameter of the baffle ring.

Preferably, two hangers are symmetrically arranged on the outer side wall of the discharge port, and two ends of the steel wire rope are respectively and fixedly connected to the hangers. Two ends of the steel wire rope are connected with clamping heads which are hung on the two hanging lugs to be fixedly connected.

The utility model discloses an application principle:

1. the hopper is hoisted by a crane, the lifting hook is a rotary lifting hook, the pin is dismounted, the snap ring is pulled out from the ring groove, the hopper is rotated, and the hopper is dismounted from the upper end of the guide pipe of the first section;

2. the clamping ring is inserted into the annular groove again, the pin is inserted after the pin holes are aligned, the first section of guide pipe is lifted slowly until the first section of guide pipe is completely exposed out of the ground, and when the upper end of the second section of guide pipe is positioned at the height of a discharge port during hopper filling, the first section of guide pipe is rotated and screwed off, and in the process of rotating the first section of guide pipe, the hopper synchronously rotates under the connection effect of the clamping ring until the guide pipe is dismounted;

3. hoisting by a crane, wherein the hopper and the first section of guide pipe are in a soft connection state, so that the guide pipe and the hopper are hoisted to a material placing area, after the guide pipe is placed downwards, the pin is pulled out, the clamping ring is taken down, and the first section of guide pipe is separated from the hopper;

4. the crane lifts the hopper and reinstalls it on the upper port of the second conduit.

The utility model discloses the combined effect who brings includes: the semicircular detachable clamping ring is additionally arranged between the hopper and the guide pipe, so that the hopper can still be fixedly connected with the upper end part of the guide pipe after being detached, and meanwhile, the hopper and the guide pipe can be synchronously rotated in the rotating detaching process of the guide pipe, the clamping ring can be detached after the guide pipe is placed, and the hopper is transported back to be installed independently, so that the hopper can be detached and installed and the guide pipe can be detached only by one-time hoisting, the construction efficiency is greatly improved, and the pouring speed is ensured; in addition, the hopper is hung by a crane in the dismounting process, so that the hopper is prevented from contacting mud blocks on the ground, and the purity of the poured concrete is kept.

Drawings

Fig. 1 is a schematic front view structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a location a in the embodiment of the present invention.

Fig. 3 is a schematic structural view of the present invention with the hopper and the duct detached.

Fig. 4 is a schematic structural diagram of a location B in the embodiment of the present invention.

Fig. 5 is an explosion structure diagram of the embodiment of the present invention.

Fig. 6 is a schematic top view of the snap ring of the embodiment of the present invention being locked in the ring groove.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

The invention is further described with reference to the following figures and examples.

Examples

A hopper connecting structure during filling of a filling pile comprises a plurality of sections of guide pipes 1 arranged in the filling pile and a hopper 2 arranged at the upper end of each guide pipe 1, wherein the upper end port and the lower end port of each guide pipe 1 are respectively provided with an external thread and an internal thread, the upper end and the lower end of each guide pipe 1 are fixedly connected through screwing of the threads, and a discharge port 21 of each hopper 2 is provided with an internal thread and is fixedly connected with the uppermost guide pipe 1 through the threads; two baffle rings 3 are arranged at the lower end of the external thread of the upper port of the guide pipe 1, the baffle rings are fixed at the upper port of the guide pipe 1 in parallel, a ring groove 4 is formed between the two baffle rings 3, a semicircular ring-shaped snap ring 8 is clamped in the ring groove 4 formed between the two baffle rings 3, and the width of the ring groove 4 is equal to the thickness of the snap ring 8; the steel wire rope 5 is wound on the opposite side of the clamping ring 8, and two ends of the steel wire rope respectively penetrate through two ends of the clamping ring 8 and then are fixedly connected to two sides of the discharge hole 21.

Further, in this embodiment, the snap ring 8 and the baffle ring 3 are both provided with pin holes 6, and the pin holes 6 are aligned and then inserted with pins 7 for positioning. When dismantling pipe 1, snap ring 8 card is carried pipe 1 in the annular 4 between two fender rings 3, and pin 7 is further fixed snap ring 8 and fender ring 3 simultaneously, can prevent snap ring 8 internal rotation in annular 4. The two ends of the clamping ring 8 extend outwards to form lifting lugs 81, lifting holes 9 are formed in the lifting lugs 81, and the steel wire rope 5 penetrates through the upper ends of the lifting holes 9. The distance between the circle center of the lifting hole 9 and the circle center of the inner diameter of the clamping ring 8 is larger than the outer diameter of the baffle ring 3; after the hoisting, the steel wire rope 5 is tightened, and the position of the hoisting hole 9 can prevent the steel wire rope 5 from being extruded at the edge of the baffle ring 3, so that the steel wire rope 5 is not cut and abraded by the baffle ring 3.

Further, in this embodiment, two hangers 10 are symmetrically installed on the outer side wall of the discharge port 21, and two ends of the steel wire rope 5 are respectively and fixedly connected to the hangers 10. Two ends of the steel wire rope 5 are connected with clamping heads 11, and the clamping heads 11 are hung on the two hanging lugs 10 and fixedly connected.

The utility model discloses use principle:

1. the hopper 2 is hoisted by a crane, the lifting hook is a rotary lifting hook, the pin 7 is detached, the snap ring 8 is pulled out from the ring groove 4, the hopper 2 is rotated, and the hopper 2 is detached from the upper end of the first section of the guide pipe;

2. the clamping ring 8 is inserted into the annular groove 4 again, the pin 7 is inserted after the pin holes 6 are aligned, the first section of guide pipe is lifted up slowly until the first section of guide pipe is completely exposed out of the ground, and when the upper end of the second section of guide pipe is positioned at the height of the discharge hole 21 during filling of the hopper 2, the first section of guide pipe is rotated and unscrewed, and in the process of rotating the first section of guide pipe, the hopper 2 synchronously rotates under the connection effect of the clamping ring 8 until the guide pipe is dismounted;

3. hoisting by a crane, wherein the hopper 2 and the first section of guide pipe are in a soft connection state, so that the guide pipe and the hopper 2 are hoisted to a material placing area, after the guide pipe is placed downwards, the pin 7 is pulled out, the snap ring 8 is taken down, and the first section of guide pipe is separated from the hopper 2;

4. the crane lifts the hopper 2 and reinstalls it on the upper end of the second conduit.

The embodiment of the utility model provides a comprehensive effect brought includes: the semicircular detachable clamping ring 8 is additionally arranged between the hopper 2 and the guide pipe, so that the hopper 2 can still be fixedly connected with the upper end part of the guide pipe after being detached, and meanwhile, the hopper 2 and the guide pipe can be synchronously rotated in the rotating detaching process of the guide pipe, so that the hopper 2 and the guide pipe can be synchronously hoisted, the clamping ring 8 can be detached after the guide pipe is placed, and the hopper 2 is independently transported back for installation, therefore, the novel detachable clamping ring can finish the detaching and installing of the hopper 2 and the detaching of the guide pipe only by once hoisting, the construction efficiency is greatly improved, and the pouring speed is ensured; in addition, the hopper 2 is hung by a crane in the dismounting process, so that the hopper is prevented from contacting mud blocks on the ground, and the purity of the poured concrete is kept.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. The utility model provides a hopper connection structure when bored concrete pile pours into, a serial communication port, including installing the hopper on a plurality of sections pipe and pipe in the bored concrete pile, the last port and the lower port of pipe are equipped with external screw thread and internal thread respectively, the lower extreme screws fixed connection through the screw thread on the pipe, the discharge gate department of hopper is equipped with the internal thread and passes through screw thread fixed connection with the pipe of top the external screw thread lower extreme of the last port of pipe is equipped with and keeps off the ring, keep off ring department and insert the annular snap ring of semicircle, wire rope winds offside and both ends of snap ring pass respectively fixed connection is in behind the both ends of snap ring the both sides of discharge gate.

2. The hopper connecting structure for cast-in-place pile according to claim 1, wherein the number of the baffle rings is two, the two baffle rings are fixed at the upper port of the guide pipe in parallel, the snap ring is clamped in a ring groove formed between the two baffle rings, and the width of the ring groove is equal to the thickness of the snap ring.

3. The hopper connecting structure for filling the cast-in-place pile according to claim 2, wherein the snap ring and the baffle ring are provided with pin holes, and the pin holes are aligned and then inserted with pins for positioning.

4. The hopper connection structure for cast-in-place pile grouting according to claim 2 or 3, wherein lifting lugs extend outwards from both ends of the snap ring, lifting holes are formed in the lifting lugs, and the steel wire rope penetrates through the lower end and the upper end of each lifting hole.

5. The hopper connection structure for cast-in-place pile casting according to claim 4, wherein a distance between a center of the lifting hole and a center of the inner diameter of the snap ring is greater than an outer diameter of the retainer ring.

6. The hopper connection structure for cast-in-place pile casting according to claim 1, wherein two lugs are symmetrically installed on the outer side wall of the discharge port, and two ends of the steel wire rope are respectively and fixedly connected to the lugs.