CN214940071U - Hopper for cast-in-place pile construction - Google Patents
Hopper for cast-in-place pile construction Download PDFInfo
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- CN214940071U CN214940071U CN202120728566.1U CN202120728566U CN214940071U CN 214940071 U CN214940071 U CN 214940071U CN 202120728566 U CN202120728566 U CN 202120728566U CN 214940071 U CN214940071 U CN 214940071U
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- hopper
- guide
- reinforcement cage
- cast
- steel reinforcement
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Abstract
The utility model provides a hopper is used in bored concrete pile construction relates to construction technical field. The hopper includes: a cone section and a cylinder section; the bottom end of the conical cylinder section is communicated with the top end of the cylindrical section; the inner wall of the cylinder section is provided with a plurality of guide groups, each guide group comprises a plurality of guide pieces, and the guide pieces are arranged along the circumference of the middle shaft of the hopper in an array mode. The utility model discloses in, the steel reinforcement cage transfers through the hopper, and direction group restriction steel reinforcement cage is keeping coaxial with the stake hole throughout at the in-process of transferring, has prevented effectively that steel reinforcement cage off-centre, slope touching pore wall, pile body from pressing from both sides the appearance of the circumstances such as mud and the steel reinforcement cage can't sink into the design requirement degree of depth, has guaranteed the quality of pile body.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to hopper is used in bored concrete pile construction.
Background
The cast-in-place pile is a common foundation form of a building structure, has the advantages of high bearing capacity, high strength and small deformation, and is widely adopted in the process of foundation construction. When it is constructed, the hole is formed in the foundation by means of corresponding equipment according to the design requirements, and is deep to the bearing layer, then the concrete is poured in, and the reinforcing cage is placed to form the pile, after the pile body is reached to the strength requirement, the upper building construction is implemented. The quality of the cast-in-place pile is crucial to the safety of the construction.
A construction method of a long spiral bored pile with inserted bars is a commonly used construction process of a bored pile at the present stage. After the long spiral is formed into a hole to the designed depth, concrete is poured into the hole through a hollow drill rod by a concrete pump in a pressing mode, the concrete pouring in the pressing mode is continuously carried out, after the concrete is poured to a certain elevation of the design requirement, the drill rod is lifted out of an orifice, a reinforcement cage is placed by a crane, in order to guarantee that the reinforcement cage is vertically placed, a guide rod can be placed in the reinforcement cage, center shafts of the two reinforcement cages are overlapped as much as possible, the reinforcement cage is guaranteed not to deform, after the reinforcement cage is placed, the guide rod is lifted out, and finally the upper pile body is replenished with materials to the elevation of the design requirement.
In the process that the reinforcement cage is placed into the concrete in the pile hole along with the guide rod, the upper end of the guide rod is connected with a vibrating device, so that the reinforcement cage is ensured to be smoothly placed. But because of not having the restraint of vertical reference thing, hardly guarantee that steel reinforcement cage and stake hole are coaxial, the position of its level to receives the influence of factors such as vibration and hoisting point position, often can arouse that steel reinforcement cage slope touches the pore wall, the pile body presss from both sides mud, the unable design requirement degree of depth scheduling problem that sinks of steel reinforcement cage to steel reinforcement cage eccentric situation appears easily, makes the protective layer thickness of steel reinforcement cage one side can't obtain guaranteeing, influences the pile body quality.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a fill for bored concrete pile construction hopper has solved the steel reinforcement cage of bored concrete pile and has transferred the in-process hardly to guarantee with the coaxial problem in stake hole.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a hopper for cast-in-place pile construction, the hopper comprising: a cone section and a cylinder section; the bottom end of the conical cylinder section is communicated with the top end of the cylindrical section; the inner wall of the cylinder section is provided with a plurality of guide groups, each guide group comprises a plurality of guide pieces, and the guide pieces are arranged along the circumference of the middle shaft of the hopper in an array mode.
Preferably, the guide member includes: a guide plate and a spring piece; the top end of the guide plate is hinged with the inner wall of the cylinder section through a horizontal shaft, and the spring piece is arranged between the inner wall of the cylinder section and the guide plate, so that the lower end of the guide plate is inclined inwards.
Preferably, the spring plate is fixed to the inner wall of the guide plate or the cylindrical section.
Preferably, in a natural state, the distance from the bottom end of the guide plate to the inner wall of the cylindrical section is greater than the thickness of the protective layer of the reinforcement cage.
Preferably, the guide groups are not less than two groups and are vertically arranged.
Preferably, the hopper further comprises an expanding cylinder, and the expanding cylinder is communicated with the top end of the conical cylinder section.
Preferably, the expansion cylinder is provided with a lifting lug.
Preferably, the lifting lugs are four and are arranged along the circumference of the middle shaft of the hopper in an array mode.
(III) advantageous effects
The utility model provides a hopper is used in bored concrete pile construction. Compared with the prior art, the method has the following beneficial effects:
the utility model discloses in, the steel reinforcement cage transfers through the hopper, and direction group restriction steel reinforcement cage is keeping coaxial with the stake hole throughout at the in-process of transferring, has prevented effectively that steel reinforcement cage off-centre, slope touching pore wall, pile body from pressing from both sides the appearance of the circumstances such as mud and the steel reinforcement cage can't sink into the design requirement degree of depth, has guaranteed the quality of pile body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hopper in an embodiment of the present invention;
fig. 2 is a top view of a hopper in an embodiment of the present invention;
fig. 3 is a schematic view of the internal structure of the hopper in the embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the application provides a fill for bored concrete pile construction, has solved the steel reinforcement cage of bored concrete pile and has transferred the in-process and hardly guarantee with the coaxial problem in stake hole.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the embodiment of the utility model provides an in, the steel reinforcement cage transfers through the hopper, and direction group restriction steel reinforcement cage is at the in-process of transferring, remains throughout coaxial with the stake hole, has prevented effectively that steel reinforcement cage off-centre, slope touching pore wall, pile body from pressing from both sides the appearance of the circumstances such as mud and the steel reinforcement cage can't sink into the design requirement degree of depth, has guaranteed the quality of pile body.
In addition, in the process of placing the reinforcement cage, concrete rising due to the fact that the reinforcement cage and the guide rod are placed is contained in the hopper and does not overflow, when the reinforcement cage is placed in place and the guide rod is lifted, the concrete in the hopper can fall back into the pile hole along with the lifting and the vibration of the guide rod, a large amount of follow-up material supplement is not needed, materials are saved, and meanwhile, the effect is improved due to the fact that a material supplement link is eliminated.
In addition, in the lifting process of the guide rod, because the concrete in the hopper is always higher than the concrete liquid level in the hole, under the action of fluid pressure, the material is always in the hole to play a certain wall protection role, so that the situations of hole collapse, pile head mud clamping and the like can be avoided even if the upper soil body is loose, and the quality of the pile body is ensured.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example (b):
as shown in fig. 1-3, the utility model provides a fill pile is hopper for construction, the hopper includes: a cone section 10 and a cylinder section 20; the bottom end of the conical cylinder section 10 is communicated with the top end of the cylinder section 20; the inner wall of the cylinder section 20 is provided with a plurality of guide groups, each guide group comprises a plurality of guide pieces, and the guide pieces are arranged along the circumference of the middle shaft of the hopper in an array mode.
Finishing when the pore-forming, the concrete pours into the back in place, before putting the steel reinforcement cage under, it is downthehole to insert the stake with the hopper end opening, adjust to the port level, the position is placed in the middle, and make the hopper stably sit in stake hole upper portion, the steel reinforcement cage passes through the hopper and transfers, direction group restriction steel reinforcement cage is at the in-process of transferring, remain throughout coaxial with the stake hole, effectively prevented steel reinforcement cage off-centre, slope touching pore wall, the appearance of the unable circumstances such as design requirement degree of depth of stake body clamp mud and steel reinforcement cage, the quality of the stake body has been guaranteed.
As shown in fig. 1 to 3, the guide includes: a guide plate 21 and a spring piece 22; the top end of the guide plate 21 is hinged to the inner wall of the cylinder section 20 through a horizontal shaft, and the spring piece 22 is arranged between the inner wall of the cylinder section 20 and the guide plate 21, so that the lower end of the guide plate 21 is inclined inwards to clamp and limit the reinforcement cage.
The spring plate 22 is fixed to the inner wall of the guide plate 21 or the cylindrical section 20.
Under the natural state, the distance between the bottom end of the guide plate 21 and the inner wall of the cylinder section 20 is larger than the thickness of a protective layer of the steel reinforcement cage, so that certain clamping force is guaranteed in the process that the guide plate 21 is placed under the steel reinforcement cage, and the effects of righting and centering are achieved.
Two sets of are no less than to the direction group, and vertical range effectively guarantees that the steel reinforcement cage is coaxial with the stake hole all the time.
As shown in fig. 1-3, the hopper further comprises an expanding cylinder 30, wherein the expanding cylinder 30 is communicated with the top end of the conical cylinder section 10 and is used for accommodating concrete rising in the process of placing the reinforcement cage, so that overflow is avoided, and concrete waste is reduced.
In the process of placing the reinforcement cage, concrete rising due to the arrangement of the reinforcement cage and the guide rod is contained in the hopper and does not overflow, when the reinforcement cage is arranged in place and the guide rod is lifted, the concrete in the hopper falls back to a pile hole along with the lifting and the vibration of the guide rod, a large amount of follow-up material supplement is not needed, materials are saved, and meanwhile, the efficacy is improved due to the fact that the material supplement link is eliminated.
In addition, in the lifting process of the guide rod, because the concrete in the hopper is always higher than the concrete liquid level in the hole, under the action of fluid pressure, the material is always in the hole to play a certain wall protection role, so that the situations of hole collapse, pile head mud clamping and the like can be avoided even if the upper soil body is loose, and the quality of the pile body is ensured.
As shown in fig. 1 and 3, the expansion cylinder 30 is provided with a lifting lug 31.
As shown in fig. 1 and 3, four lifting lugs 31 are arranged and arranged along the circumferential array of the middle shaft of the hopper, and are hoisted by threading two groups of adjacent lifting lugs 31, so that the lowering of the reinforcement cage is not influenced after the hopper is in place.
To sum up, compare with prior art, the utility model discloses possess following beneficial effect:
1. the embodiment of the utility model provides an in, the steel reinforcement cage transfers through the hopper, and direction group restriction steel reinforcement cage is at the in-process of transferring, remains throughout coaxial with the stake hole, has prevented effectively that steel reinforcement cage off-centre, slope touching pore wall, pile body from pressing from both sides the appearance of the circumstances such as mud and the steel reinforcement cage can't sink into the design requirement degree of depth, has guaranteed the quality of pile body.
2. The embodiment of the utility model provides an in, place steel reinforcement cage's in-process, the concrete that rises because of putting into of steel reinforcement cage and guide arm holds not excessive in that the hopper is inside, treats that steel reinforcement cage puts into the in-process that puts in place the back guide arm and lift, and concrete in the hopper can fall back to the stake downthehole along with lifting, vibrations of guide arm in, need not follow-up a large amount of feed supplements, save material, because of having eliminated the feed supplement link simultaneously, has improved the efficiency.
3. The embodiment of the utility model provides an in, the in-process that lifts on the guide arm, because of the concrete in the hopper is higher than downthehole concrete liquid level all the time, under the fluid pressure effect, downthehole material all the time, certain dado effect has been played, even consequently the upper portion soil body is loose, the hole can not appear collapsing yet, the circumstances such as pile head clamp mud have guaranteed the pile body quality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a hopper is used in bored concrete pile construction which characterized in that, the hopper includes: a conical section (10) and a cylindrical section (20); the bottom end of the conical cylinder section (10) is communicated with the top end of the cylinder section (20); the inner wall of the cylinder section (20) is provided with a plurality of guide groups, each guide group comprises a plurality of guide pieces, and the guide pieces are arranged along the circumference of the middle shaft of the hopper in an array mode.
2. The hopper for cast-in-place pile construction as recited in claim 1, wherein the guide member comprises: a guide plate (21) and a spring piece (22); the top end of the guide plate (21) is hinged with the inner wall of the cylindrical section (20) through a horizontal shaft, and the spring piece (22) is arranged between the inner wall of the cylindrical section (20) and the guide plate (21) so that the lower end of the guide plate (21) inclines inwards.
3. The hopper for cast-in-place pile construction as set forth in claim 2, wherein the spring pieces (22) are fixed to the inner wall of the guide plate (21) or the cylindrical section (20).
4. A hopper for cast-in-place pile construction as claimed in claim 3, wherein the distance from the bottom end of the guide plate (21) to the inner wall of the cylindrical section (20) is naturally greater than the thickness of the protective layer of the reinforcement cage.
5. The hopper for cast-in-place pile construction as claimed in claim 1, wherein the guide groups are not less than two and are arranged vertically.
6. The hopper for the construction of the cast-in-place pile as claimed in any one of claims 1 to 5, wherein the hopper further comprises an expanding cylinder (30), and the expanding cylinder (30) is communicated with the top end of the conical cylinder section (10).
7. Hopper for the construction of a cast-in-place pile according to claim 6, characterized in that the expansion cylinder (30) is provided with lifting lugs (31).
8. The hopper for cast-in-place pile construction as claimed in claim 7, wherein the lifting lugs (31) are provided in four and are arranged in a circumferential array along a central axis of the hopper.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021206734659 | 2021-04-01 | ||
| CN202120673465 | 2021-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214940071U true CN214940071U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120728566.1U Active CN214940071U (en) | 2021-04-01 | 2021-04-09 | Hopper for cast-in-place pile construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387328A (en) * | 2022-07-26 | 2022-11-25 | 河南黄河河务局工程建设中心 | Construction method of beach area cast-in-place pile based on overlong spiral drilling machine |
| CN115434304A (en) * | 2022-08-06 | 2022-12-06 | 河南黄河河务局工程建设中心 | Construction method for long auger bored pile super-long reinforcement cage pile-entering hole |
-
2021
- 2021-04-09 CN CN202120728566.1U patent/CN214940071U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387328A (en) * | 2022-07-26 | 2022-11-25 | 河南黄河河务局工程建设中心 | Construction method of beach area cast-in-place pile based on overlong spiral drilling machine |
| CN115387328B (en) * | 2022-07-26 | 2024-02-13 | 河南黄河河务局工程建设中心 | Beach cast-in-place pile construction method based on ultra-long spiral drilling machine |
| CN115434304A (en) * | 2022-08-06 | 2022-12-06 | 河南黄河河务局工程建设中心 | Construction method for long auger bored pile super-long reinforcement cage pile-entering hole |
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