CN113123341A - Pile foundation fixing device - Google Patents
Pile foundation fixing device Download PDFInfo
- Publication number
- CN113123341A CN113123341A CN202110453941.0A CN202110453941A CN113123341A CN 113123341 A CN113123341 A CN 113123341A CN 202110453941 A CN202110453941 A CN 202110453941A CN 113123341 A CN113123341 A CN 113123341A
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- Prior art keywords
- supporting
- pile foundation
- clamping
- support
- rod
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a pile foundation fixing device, which belongs to the technical field of building construction and comprises a pile foundation, a supporting enclosing part and a locking part; the surrounding support part is arranged outside the pile foundation, and the locking part is arranged on the inner side of the surrounding support part and used for supporting and fixing the pile foundation; the locking part comprises a supporting part, a clamping part, an adjusting part, a jacking part and a non-return part; the clamping parts are at least provided with one group, and the plurality of clamping parts are distributed on the inner side of the supporting part at intervals and used for clamping and limiting the pile foundation; the adjusting part is arranged on the outer side of the supporting part and is used for driving the supporting part and the clamping part to rotate; the top supporting part is arranged on the inner side of the surrounding supporting part. Compared with the prior art, the pile foundation fixing device has the advantages of reasonable structure, convenience in use, good pile foundation fixing effect and strong stability.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a pile foundation fixing device.
Background
The pile foundation is widely applied to the field of building construction as a supporting structure, and at present, the pile foundation needs to be fixed in the building construction process.
Among the prior art, to the fixed of pile foundation mostly be at ground excavation hole, with the pile foundation embedding to digging in the hole, then landfill earth and tamp, the fixed mode of this kind of pile foundation is comparatively traditional, has the fixed effect of pile foundation poor and the loaded down with trivial details problem of construction, needs a large amount of preorders and follow-up work simultaneously to still can consume a large amount of manpower and materials, lead to the construction progress of pile foundation comparatively slowly.
Disclosure of Invention
In view of the above deficiencies of the prior art, an embodiment of the present invention provides a pile foundation fixing device.
In order to solve the technical problems, the invention provides the following technical scheme:
a pile foundation fixing device comprises a pile foundation, a surrounding support part and a locking part;
the surrounding support part is arranged outside the pile foundation, and the locking part is arranged on the inner side of the surrounding support part and used for supporting and fixing the pile foundation;
the locking part comprises a supporting part, a clamping part, an adjusting part, a jacking part and a non-return part;
the clamping parts are at least provided with one group, and the plurality of clamping parts are distributed on the inner side of the supporting part at intervals and used for clamping and limiting the pile foundation;
the adjusting part is arranged on the outer side of the supporting part and is used for driving the supporting part and the clamping part to rotate;
the jacking part is arranged on the inner side of the surrounding support part, and when the clamping part rotates, the jacking part is used for driving the clamping part to move towards the pile foundation direction so as to clamp and fix the pile foundation;
the non-return part is arranged on the inner side of the surrounding and supporting part and used for preventing the clamping part from reversely rotating.
As a further improvement of the invention: the clamping part comprises a supporting roller and a support rod,
the support roller is arranged on the inner side of the support part and is rotationally connected with the support rod;
the supporting part comprises a plurality of special-shaped rails arranged on the inner wall of the supporting surrounding part, and one end of the stay bar penetrates through the supporting part and supports to one side of the special-shaped rails;
when the supporting part rotates, the supporting rod can slide along one side of the special-shaped track, the special-shaped track can drive the supporting rod to move towards the inner side of the supporting part, and then the supporting roller is driven to move synchronously to support the pile foundation side wall through the top support, so that the pile foundation is clamped and fixed.
As a further improvement of the invention: one side of the special-shaped track is provided with a plurality of arc surfaces or inclined surfaces which are in one-to-one correspondence with the support rods, and one ends of the support rods are supported against the arc surfaces or the inclined surfaces.
As a further improvement of the invention: the outer side of the supporting part is fixedly provided with an annular rack,
the adjusting part comprises a rotating shaft and a gear installed on the rotating shaft, the rotating shaft is rotatably arranged on the inner side of the supporting enclosing part, and the gear is meshed with the annular rack.
As a still further improvement of the invention: the outer side of the supporting part is also fixedly provided with an anti-slip part, the non-return part comprises a supporting sleeve fixedly arranged on the inner side of the surrounding and supporting part and a non-return rod in telescopic fit with the supporting sleeve, a second elastic body used for supporting the non-return rod is arranged in the supporting sleeve,
the second elastic body provides elastic support for the check rod so as to drive one end, far away from the support sleeve, of the check rod to abut against the anti-skid part.
As a still further improvement of the invention: the side wall of the check rod is movably provided with a convex part, and the convex part is connected with the check rod through a first elastic body;
the rotating shaft is rotatably provided with an adjusting block, a column casing is fixedly arranged on one side of the adjusting block, a plurality of deflector rods are arranged on the side wall of the column casing, and the deflector rods act on the protruding parts and are used for driving the non-return rods to move towards the inside of the supporting sleeve;
the annular has been seted up to the regulating block inner wall, the fixed stopper that is provided with of pivot lateral wall, the stopper extends to inside and can follow of annular the annular rotates.
As a still further improvement of the invention: the ring groove is in a quarter arc structure.
Compared with the prior art, the invention has the beneficial effects that:
when the pile foundation is installed, the supporting part is driven to rotate through the adjusting part, and then the plurality of clamping parts are driven to synchronously rotate; after the pile foundation is fixed in enclosing supporting part inboard, can prevent the supporting part antiport through non return portion, and then prevent a plurality of clamping part antiport to prevent that the clamping part is not hard up, improve the fixed effect of pile foundation, compare in prior art have rational in infrastructure, pile foundation installation effectiveness height, pile foundation fixed effectual and the strong advantage of stability.
Drawings
Fig. 1 is a schematic structural view of a pile foundation fixing device;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic structural view of a top supporting part in a pile foundation fixing device;
fig. 4 is a schematic structural view of an adjusting part in a pile foundation fixing device;
FIG. 5 is an enlarged view of area A of FIG. 1;
in the figure: 1-pile foundation, 2-surrounding supporting part, 3-locking part, 31-supporting part, 311-top supporting part, 312-supporting rod, 313-supporting roller, 314-antiskid part, 315-clamping groove, 316-annular rack, 32-adjusting part, 321-gear, 322-rotating shaft, 323-adjusting block, 324-column barrel, 325-limiting block, 326-annular groove, 327-deflector rod, 33-non-return part, 331-supporting sleeve, 332-non-return rod, 333-first elastic body, 334-convex part and 34-channel.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1 and 2, the present embodiment provides a pile foundation fixing device, which includes a pile foundation 1, a surrounding supporting portion 2, and a locking portion 3; the surrounding support part 2 is arranged outside the pile foundation 1, and the locking part 3 is arranged on the inner side of the surrounding support part 2 and used for supporting and fixing the pile foundation 1; the locking part 3 comprises a supporting part 31, a clamping part, an adjusting part 32, a jacking part 311 and a non-return part 33; the clamping parts are at least provided with one group, and a plurality of clamping parts are distributed on the inner side of the supporting part 31 at intervals and used for clamping and limiting the pile foundation 1; the adjusting part 32 is arranged outside the supporting part 31 and is used for driving the supporting part 31 and the clamping part to rotate; the supporting part 311 is mounted on the inner side of the surrounding supporting part 2, and when the clamping part rotates, the supporting part 311 is used for driving the clamping part to move towards the pile foundation 1 so as to clamp and fix the pile foundation 1; the non-return part 33 is installed inside the surrounding support part 2 and used for preventing the clamping part from reversely rotating.
During installation, the pile foundation 1 is vertically placed to the inner side of the supporting enclosing part 2, the pile foundation 1 is ensured to penetrate through the middle of the supporting part 31, the supporting part 31 is driven to rotate through the adjusting part 32, and then the plurality of clamping parts are driven to rotate synchronously, when the clamping parts rotate, the clamping parts are driven to move towards the direction of the pile foundation 1 by the aid of the supporting part 311, and then the clamping parts act on the side wall of the pile foundation 1, so that the pile foundation 1 is clamped and fixed, and the pile foundation 1 is installed; after pile foundation 1 is fixed in the inside of enclosing supporting portion 2, can prevent clamping part antiport through non return portion 33 to prevent that the clamping part is not hard up, improve pile foundation 1's fixed effect.
Referring to fig. 2 and 3, in an embodiment, the clamping portion includes a brace 312, the supporting portion 311 includes a plurality of profiled rails mounted on the inner wall of the surrounding portion 2, and one end of the brace 312 passes through the supporting portion 31 and props up to one side of the profiled rails; when the supporting part 31 rotates, the supporting rod 312 can slide along one side of the special-shaped track, and the special-shaped track can drive the supporting rod 312 to move towards the inner side of the supporting part 31, so that the supporting rod is propped to the side wall of the pile foundation 1 to clamp and fix the pile foundation 1.
Referring to fig. 2 and 3, in another embodiment, the clamping portion includes a supporting roller 313 and a supporting rod 312, the supporting roller 313 is disposed inside the supporting portion 31, and the supporting roller 313 is rotatably connected to the supporting rod 312; the supporting part 311 comprises a plurality of special-shaped rails mounted on the inner wall of the supporting part 2, and one end of the brace 312 penetrates through the supporting part 31 and supports against one side of the special-shaped rails; when the supporting portion 31 rotates, the supporting rod 312 can slide along one side of the special-shaped track, the special-shaped track can drive the supporting rod 312 to move towards the inner side of the supporting portion 31, and then the supporting roller 313 is driven to move synchronously to support the side wall of the pile foundation 1 through jacking, so that the pile foundation 1 can be clamped and fixed, due to the fact that the supporting roller 313 and the supporting rod 312 are in running fit with each other, the supporting roller 313 can rotate adaptively along the side wall of the pile foundation 1 when being initially contacted with the side wall of the pile foundation 1, and further friction between the supporting roller 313 and the pile foundation 1 is reduced.
Referring to fig. 3, in the above embodiment, one side of the special-shaped track has a plurality of arc-shaped surfaces or inclined surfaces corresponding to the stay bars 312 one to one, and one end of the stay bar 312 is supported against the arc-shaped surfaces or inclined surfaces, and when the stay bar 312 rotates, the stay bar 312 can move along the arc-shaped surfaces or inclined surfaces, and the profile change of the arc-shaped surfaces and inclined surfaces drives the stay bar 312 to move towards the inner side of the supporting portion 31, so as to clamp and fix the pile foundation 1.
Referring to fig. 2 and 4, in an embodiment, an annular rack 316 is fixedly disposed outside the supporting portion 31, the adjusting portion 32 includes a rotating shaft 322 and a gear 321 mounted on the rotating shaft 322, the rotating shaft 322 is rotatably disposed inside the surrounding supporting portion 2, and the gear 321 is engaged with the annular rack 316.
When fixing pile foundation 1, rotatable pivot 322, pivot 322 drive gear 321 and rotate, utilize the meshing effect between gear 321 and the annular rack 316 to drive supporting part 31 and rotate, and then drive a plurality of clamping parts and rotate, and cooperation jacking portion 311 realizes that the clamping part is fixed to pile foundation 1's centre gripping.
In another embodiment, the adjusting portion 32 may also be a driving structure such as a motor, and the supporting portion 31 is directly driven to rotate by the driving structure such as the motor, which is not limited herein.
Referring to fig. 2-4, in an embodiment, an anti-slip portion 314 is further fixedly disposed outside the supporting portion 31, the non-return portion 33 includes a supporting sleeve 331 fixedly mounted inside the supporting portion 2 and a non-return rod 332 telescopically engaged with the supporting sleeve 331, a second elastic body (not shown in the figure) for supporting the non-return rod 332 is disposed inside the supporting sleeve 331, and the second elastic body provides an elastic support for the non-return rod 332, so as to urge one end of the non-return rod 332 away from the supporting sleeve 331 to abut against the anti-slip portion 314.
When rotating pivot 322 in order to drive supporting part 31 and clamping part to rotate, non return pole 332 can adaptability to the inside removal of support sleeve 331, after the clamping subassembly is fixed the pile foundation 1 centre gripping, non return pole 332 is propped between two sets of teeth of antiskid portion 314 to realize the non return operation of supporting part 31, and then guarantee the stability of pile foundation 1.
In another embodiment, the support portion 31 is further fixedly provided with a non-slip portion 314 at the outer side thereof, and the non-return portion 33 includes a claw (not shown) provided at the inner side of the surrounding support portion 2 and cooperating with the non-slip portion 314, so as to achieve the non-return operation of the support portion 31 by the cooperation between the claw and the non-slip portion 314.
In the above embodiments, the anti-slip part includes protrusions distributed at intervals or concave holes distributed at intervals.
Referring to fig. 2, 4 and 5, in one embodiment, a protruding portion 334 is movably disposed on a sidewall of the check rod 332, and the protruding portion 334 is connected to the check rod 332 through a first elastic body 333; an adjusting block 323 is rotatably arranged on the rotating shaft 322, a cylindrical barrel 324 is fixedly arranged on one side of the adjusting block 323, a plurality of shift levers 327 are arranged on the side wall of the cylindrical barrel 324, and the shift levers 327 act on the protruding portion 334 and are used for driving the check rod 332 to move towards the inside of the supporting sleeve 331; annular groove 326 has been seted up to regulating block 323 inner wall, the fixed stopper 325 that is provided with of pivot 322 lateral wall, stopper 324 extends to inside and can follow of annular groove 326 rotates.
When the pile foundation 1 needs to be fixed, the adjusting block 323 is screwed forward, under the matching of the limiting block 325 and the ring groove 326, the adjusting block 323 can drive the rotating shaft 322 to rotate synchronously, the supporting part 31 and the clamping part are driven to rotate by the meshing action between the gear 321 and the ring-shaped rack 316, the pile foundation 1 is clamped and fixed under the action of the supporting part 311 when the clamping part rotates, the column sleeve 324 can be driven to rotate when the adjusting block 323 rotates forward, and then the driving lever 327 is driven to rotate, the driving lever 327 can act on the protruding part 334, and then the protruding part 334 is driven to rotate towards the direction of the check rod 322 until the driving lever 327 crosses the protruding part 334; when the pile foundation 1 needs to be disassembled, the adjusting block 323 is screwed reversely, the adjusting block 323 can rotate a certain angle relative to the rotating shaft 322 at the moment, until the limiting block 325 contacts with the other end of the ring groove 326, the adjusting block 323 can drive the column sleeve 324 to rotate reversely in the process, the driving lever 327 can act reversely on the protruding portion 334, and then the non-return rod 332 is driven to move towards the inside of the supporting sleeve 331, so that the non-return rod 332 is separated from the anti-slip portion 314, and then the locking state of the supporting portion 31 is released, so that the rotating shaft 322 can smoothly drive the gear 321 to rotate reversely, so that the clamping portion is separated from the side wall of the pile foundation 1, and the pile foundation 1 can be conveniently taken out.
In the above embodiment, the annular groove 326 has a quarter-arc structure, so that the adjusting block 323 can rotate at a certain angle relative to the rotating shaft 322 to pull the check rod 332 away from the anti-slip portion 314 side, thereby releasing the locking state of the supporting portion 31.
In the above embodiments, the first elastic body 333 and the second elastic body may both be of a spring structure, and may also be other components having an elastic function, which is not limited herein.
In the above embodiment, the supporting portion 2 is a cylindrical structure to support the pile foundation 1.
In the above embodiment, the supporting portion 31 is of an annular structure, and the clamping groove 315 that is of the annular structure is disposed on the outer side of the supporting portion 31, the inner wall of the surrounding supporting portion 2 is further provided with a plurality of supporting blocks (not shown in the figure) distributed at intervals, and the supporting blocks extend to the inside of the clamping groove 315 and are movably matched with the supporting portion 31, so as to support the supporting portion 31 and ensure the stable rotation of the supporting portion 31.
In one embodiment, the side wall of the support 2 is provided with a channel 34, and the channel 34 is arranged to facilitate screwing operation of the adjusting block 323 from the outside of the support 2.
In another embodiment, the supporting rollers 313 may be disposed in an inclined manner in comparison with the length direction of the pile foundation 1, and when the supporting rollers 313 are disposed in an inclined manner and act on the side wall of the pile foundation 1, the supporting rollers 313 may provide a downward prestress to the pile foundation 1, so as to improve the tensile effect of the pile foundation 1 and further improve the stability of the pile foundation.
When the pile foundation 1 is installed, the adjusting part 32 drives the supporting part 31 to rotate, so that the plurality of clamping parts are driven to synchronously rotate, when the clamping parts rotate, the jacking part 311 is used for driving the clamping parts to move towards the direction of the pile foundation 1, so that the clamping parts act on the side wall of the pile foundation 1, and the clamping and fixing of the pile foundation 1 are realized; after pile foundation 1 is fixed in enclosing supporting portion 2 inboard, can prevent supporting portion 31 antiport through non return portion 33, and then prevent a plurality of clamping part antiport to prevent that the clamping part is not hard up, improve pile foundation 1's fixed effect, compare in prior art have rational in infrastructure, convenient to use, pile foundation 1 fixed effectual and the strong advantage of stability.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A pile foundation fixing device is characterized by comprising a pile foundation, a surrounding support part and a locking part;
the surrounding support part is arranged outside the pile foundation, and the locking part is arranged on the inner side of the surrounding support part and used for supporting and fixing the pile foundation;
the locking part comprises a supporting part, a clamping part, an adjusting part, a jacking part and a non-return part;
the clamping parts are at least provided with one group and used for clamping and limiting the pile foundation;
the adjusting part is arranged on the outer side of the supporting part and is used for driving the supporting part and the clamping part to rotate;
the jacking part is arranged on the inner side of the surrounding support part, and when the clamping part rotates, the jacking part is used for driving the clamping part to move towards the pile foundation direction so as to clamp and fix the pile foundation;
the non-return part is arranged on the inner side of the surrounding and supporting part and used for preventing the clamping part from reversely rotating.
2. A pile foundation fixing device as claimed in claim 1, wherein the clamping portion includes support rollers and braces,
the support roller is arranged on the inner side of the support part and is rotationally connected with the support rod;
the supporting part comprises a plurality of special-shaped rails arranged on the inner wall of the supporting surrounding part, and one end of the stay bar penetrates through the supporting part and supports to one side of the special-shaped rails;
when the supporting part rotates, the supporting rod can slide along one side of the special-shaped track, the special-shaped track can drive the supporting rod to move towards the inner side of the supporting part, and then the supporting roller is driven to move synchronously to support the pile foundation side wall through the top support, so that the pile foundation is clamped and fixed.
3. A pile foundation fixing device as claimed in claim 2, wherein one side of the profile rail has a plurality of arc faces or inclined faces corresponding to the brace rods one to one, and one end of the brace rod is braced against the arc faces or inclined faces.
4. A pile foundation fixing device as claimed in any one of claims 1 to 3, wherein an annular rack is fixedly provided on the outside of the support portion,
the adjusting part comprises a rotating shaft and a gear installed on the rotating shaft, the rotating shaft is rotatably arranged on the inner side of the supporting enclosing part, and the gear is meshed with the annular rack.
5. The pile foundation fixing device of claim 4, wherein the supporting portion is further fixedly provided with a non-slip portion at an outer side thereof, the non-slip portion comprises a supporting sleeve fixedly installed at an inner side of the supporting portion and a non-slip rod telescopically engaged with the supporting sleeve, the supporting sleeve is internally provided with a second elastic body for supporting the non-slip rod,
the second elastic body provides elastic support for the check rod so as to drive one end, far away from the support sleeve, of the check rod to abut against the anti-skid part.
6. The pile foundation fixing device of claim 5, wherein the side wall of the check rod is movably provided with a convex part, and the convex part is connected with the check rod through a first elastic body;
the rotating shaft is rotatably provided with an adjusting block, a column casing is fixedly arranged on one side of the adjusting block, a plurality of deflector rods are arranged on the side wall of the column casing, and the deflector rods act on the protruding parts and are used for driving the non-return rods to move towards the inside of the supporting sleeve;
the annular has been seted up to the regulating block inner wall, the fixed stopper that is provided with of pivot lateral wall, the stopper extends to inside and can follow of annular the annular rotates.
7. A pile foundation fixing device as claimed in claim 6, wherein the ring groove is of quarter-circle configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110453941.0A CN113123341A (en) | 2021-04-26 | 2021-04-26 | Pile foundation fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110453941.0A CN113123341A (en) | 2021-04-26 | 2021-04-26 | Pile foundation fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113123341A true CN113123341A (en) | 2021-07-16 |
Family
ID=76780112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110453941.0A Withdrawn CN113123341A (en) | 2021-04-26 | 2021-04-26 | Pile foundation fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113123341A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114032904A (en) * | 2021-11-11 | 2022-02-11 | 中建八局第二建设有限公司 | Control device for controlling distance between inner sleeve and outer sleeve of cast-in-place pile |
| CN114837184A (en) * | 2022-05-19 | 2022-08-02 | 安徽罗塘路桥工程有限公司 | Construction method of building pile foundation |
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| JP2011012394A (en) * | 2009-06-30 | 2011-01-20 | Sumitomo Forestry Co Ltd | Steadying guide method in driving tapered pile |
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| CN211948426U (en) * | 2020-01-15 | 2020-11-17 | 云南山盾岩土工程有限公司 | Auxiliary pile foundation clamping device for house building engineering |
| CN212050299U (en) * | 2020-09-30 | 2020-12-01 | 江阴市亚杰环保设备有限公司 | Anti-reversion device for manual winch of converter gas cabinet |
| CN112193493A (en) * | 2020-09-28 | 2021-01-08 | 温州倾晨贸易有限公司 | Notebook memory bank packing plant of intelligent production |
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| JP2011012394A (en) * | 2009-06-30 | 2011-01-20 | Sumitomo Forestry Co Ltd | Steadying guide method in driving tapered pile |
| CN106004950A (en) * | 2016-05-20 | 2016-10-12 | 厦门理工学院 | Loading dumper |
| CN111655934A (en) * | 2017-12-22 | 2020-09-11 | 伊特里克公司 | Pile retention system |
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| CN211948426U (en) * | 2020-01-15 | 2020-11-17 | 云南山盾岩土工程有限公司 | Auxiliary pile foundation clamping device for house building engineering |
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| CN114032904A (en) * | 2021-11-11 | 2022-02-11 | 中建八局第二建设有限公司 | Control device for controlling distance between inner sleeve and outer sleeve of cast-in-place pile |
| CN114032904B (en) * | 2021-11-11 | 2023-01-24 | 中建八局第二建设有限公司 | Control device for controlling distance between inner sleeve and outer sleeve of cast-in-place pile |
| CN114837184A (en) * | 2022-05-19 | 2022-08-02 | 安徽罗塘路桥工程有限公司 | Construction method of building pile foundation |
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Application publication date: 20210716 |