CN210288403U - Bored concrete pile steel reinforcement cage positioner - Google Patents
Bored concrete pile steel reinforcement cage positioner Download PDFInfo
- Publication number
- CN210288403U CN210288403U CN201921076636.9U CN201921076636U CN210288403U CN 210288403 U CN210288403 U CN 210288403U CN 201921076636 U CN201921076636 U CN 201921076636U CN 210288403 U CN210288403 U CN 210288403U
- Authority
- CN
- China
- Prior art keywords
- bracing piece
- reinforcement cage
- thick bamboo
- section
- positioning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a drilling bored concrete pile steel reinforcement cage positioner, including protecting a section of thick bamboo and a plurality of centering mechanism, each centering mechanism is around the even interval distribution of center pin that protects a section of thick bamboo, and centering mechanism includes the bracing piece and is used for the rolling member with the steel reinforcement cage contact, and the one end of bracing piece articulates on protecting the inner wall of a section of thick bamboo, and the rolling member is installed at the other end of bracing piece, is equipped with between bracing piece and the inner wall that protects a section of thick bamboo to be used for driving bracing piece pivoted telescopic machanism. The positioning device for the bored pile reinforcement cage is simple to operate, high in practicability and high in positioning accuracy.
Description
Technical Field
The utility model relates to an engineering construction technical field especially relates to a bored concrete pile steel reinforcement cage positioner.
Background
The cast-in-place pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering site, placing a reinforcement cage and cast-in-place concrete in the pile hole, and according to different hole forming methods, the cast-in-place pile can be divided into a immersed tube cast-in-place pile, a cast-in-place pile and the like. The cast-in-situ bored pile has wide application range and strong practicability, but the problem of the thickness of the protective layer when the reinforcement cage is accurately controlled to be placed is not solved all the time. The general method is to weld a positioning rib or arrange a protection block on the outer wall of the steel reinforcement cage, but the method has poor practicability, the protection block or the positioning rib is easy to fall off in the process of hoisting the steel reinforcement cage into the filling hole, and the positioning rib is easy to insert into the hole wall after the steel reinforcement cage is hoisted into the filling hole, so that the steel reinforcement cage is difficult to transfer or the whole steel reinforcement cage is eccentric, and the quality defects of rib leakage, undersize or oversize protection layer and the like are caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide an easy operation, practicality are strong and positioning accuracy is high bored concrete pile steel reinforcement cage positioner
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a bored concrete pile steel reinforcement cage positioner, includes a plurality of centering mechanisms of protecting a section of thick bamboo, each centering mechanism is around the even interval distribution of center pin of protecting a section of thick bamboo, centering mechanism includes the bracing piece and is used for the rolling member with the steel reinforcement cage contact, the one end of bracing piece articulates on the inner wall of protecting a section of thick bamboo, the rolling member is installed at the other end of bracing piece, the bracing piece is equipped with between the inner wall of a section of thick bamboo and is used for driving bracing piece pivoted telescopic machanism with protecting.
As a further improvement of the above technical solution:
telescopic machanism includes actuating lever, driven lever and slider, the rotatable installation of actuating lever protects a section of thick bamboo, the slider slides and establishes on the bracing piece, the one end and the actuating lever threaded connection of driven lever, the other end is articulated with the slider.
The driving rod is connected with a rotating handle outside the protective cylinder.
The driving rod and the driven rod are arranged in line.
And central shafts of the driving rod, the driven rod, the supporting rod and the protective cylinder are arranged in a coplanar manner.
And a rolling bearing is connected between the driving rod and the protective cylinder.
The sliding piece is provided with a through hole, and the through hole is sleeved on the side wall of the supporting rod in a sliding mode.
The rolling element is a rolling bearing or a roller.
The other end of bracing piece has set firmly the spring, the spring facial make-up is equipped with the mounting bracket, the rolling member is installed on the mounting bracket.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a drilling bored concrete pile steel reinforcement cage positioner, including protecting a section of thick bamboo and a plurality of centering mechanism, each centering mechanism is around the even interval distribution of center pin that protects a section of thick bamboo, and centering mechanism includes the bracing piece and is used for the rolling member with the steel reinforcement cage contact, and the one end of bracing piece articulates on the inner wall that protects a section of thick bamboo, and the rolling member is installed at the other end of bracing piece, is equipped with between the inner wall that bracing piece and protected a section of thick bamboo to be used for driving bracing piece pivoted telescopic machanism. During the use, pack into the top of filling hole with drilling bored concrete pile steel reinforcement cage positioner, and make and protect a section of thick bamboo coaxial with the filling hole, centering mechanism is located the outside of filling hole, rethread telescopic mechanism drive bracing piece rotates with the distance D between the center pin of adjusting the rolling member and protecting a section of thick bamboo, with radius r2 that this distance D is adapted to steel reinforcement cage 3, D equals r2 promptly, insert the filling hole through protecting a section of thick bamboo with the steel reinforcement cage at last, the steel reinforcement cage is transferred along the center pin that protects a section of thick bamboo under the limiting displacement of three rolling member, until inserting completely in the filling hole, because the limiting displacement of three rolling member, it is easy to make the steel reinforcement cage transfer, and the steel reinforcement cage is coaxial with the filling hole, promptly not off-centre. The positioning device for the bored pile reinforcement cage is simple to operate, high in practicability and high in positioning accuracy.
Drawings
Fig. 1 is a schematic top view of the positioning device for bored concrete pile cages according to the present invention.
Fig. 2 is a schematic structural view of the centering mechanism of the bored concrete pile cage positioning device according to the present invention.
Fig. 3 shows a state diagram of the positioning device for a bored concrete pile cage according to the present invention.
The reference numerals in the figures denote:
1. protecting the cylinder; 2. a centering mechanism; 21. a support bar; 22. a rolling member; 23. a telescoping mechanism; 231. a drive rod; 232. a driven lever; 233. a slider; 234. rotating the handle; 235. a through hole; 24. a spring; 25. a mounting frame; 3. a reinforcement cage; 4. and (6) pouring a hole.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Fig. 1 and 2 show a bored concrete pile reinforcement cage positioning device of this embodiment, including a pile casing 1 and three centering mechanisms 2, the three centering mechanisms 2 are evenly distributed around the center shaft of the pile casing 1 at intervals, the centering mechanisms 2 include a support rod 21 and a rolling member 22 for contacting with a reinforcement cage 3, one end of the support rod 21 is hinged on the inner wall of the pile casing 1, the rolling member 22 is installed at the other end of the support rod 21, and a telescopic mechanism 23 for driving the support rod 21 to rotate is arranged between the support rod 21 and the inner wall of the pile casing 1. Specifically, the extension line of the support rod 21 intersects with the central axis of the casing 1, the support rod 21 contacts with the reinforcement cage 3 through the rolling members 22 to reduce friction, as shown in fig. 3, when in use, the bored pile reinforcement cage positioning device is installed at the top of the filling hole 4, the casing 1 is made to be coaxial with the filling hole 4, the centering mechanism 2 is located outside the filling hole 4, the support rod 21 is driven to rotate through the telescopic mechanism 23 to adjust the distance D between the rolling members 22 and the central axis of the casing 1, so that the distance D is adapted to the radius r2 of the reinforcement cage 3, that is, D is r2, finally the reinforcement cage 3 is inserted into the filling hole 4 through the casing 1, the reinforcement cage 3 is lowered along the central axis of the casing 1 under the limiting action of the three rolling members 22 until being completely inserted into the filling hole 4, the reinforcement cage 3 is easy to be lowered due to the limiting action of the three rolling members 22, and the reinforcement cage 3 is coaxial with the filling hole 4, i.e. not eccentric. The positioning device for the bored pile reinforcement cage is simple to operate, high in practicability and high in positioning accuracy.
In this embodiment, the telescoping mechanism 23 includes a driving rod 231, a driven rod 232, and a sliding member 233, the driving rod 231 is rotatably mounted on the casing 1, the sliding member 233 is slidably mounted on the supporting rod 21, one end of the driven rod 232 is in threaded connection with the driving rod 231, and the other end is hinged to the sliding member 233. In the structure, the driven rod 232 is in threaded connection with the driving rod 231, the driving rod 231 rotates to drive the driven rod 232 to move in a telescopic manner, the driven rod 232 drives the sliding part 233 to move, the sliding part 233 drives the supporting rod 21 to rotate, and the supporting rod 21 drives the rolling part 22 to move so as to adjust the distance D between the rolling part 22 and the central shaft of the protection tube 1.
In this embodiment, the driving rod 231 is connected to the rotating handle 234 outside the casing 1, so that the driving rod 231 can be conveniently rotated manually, and the adjustment is convenient.
In this embodiment, the driving rod 231 and the driven rod 232 are arranged in a collinear manner, specifically, the driving rod 231 is provided with an internal threaded hole along the axial direction, the outer wall of the driven rod 232 is provided with an external thread, the driven rod 232 is inserted into the internal threaded hole of the driving rod 231, and the external thread of the driven rod 232 is in threaded connection with the internal threaded hole of the driving rod 231.
In the present embodiment, the central axes of the driving lever 231, the driven lever 232, the support lever 21, and the casing 1 are arranged in a coplanar manner, that is, the central axis of the casing 1 is located on the plane on which the support lever 21 rotates.
In this embodiment, a rolling bearing is connected between the drive rod 231 and the casing 1.
In this embodiment, the sliding member 233 has a through hole 235, and the through hole 235 is slidably disposed on the side wall of the supporting rod 21.
In the present embodiment, the rolling member 22 is a rolling bearing or a roller.
In this embodiment, the other end of the support rod 21 is fixedly provided with a spring 24, the spring 24 is provided with an installation frame 25, and the rolling member 22 is installed on the installation frame 25. When the rolling member 22 contacts the reinforcement cage 3, the elastic deformation of the spring 24 prevents the rolling member 22 from being rigidly pressed against the reinforcement cage 3.
The construction method adopting the positioning device for the reinforcement cage of the bored pile comprises the following steps:
s1: leveling the field: before constructing a cast-in-situ bored pile, leveling a field, actually measuring the elevation of the field, and calculating the length of the pile according to the design bottom elevation of a drawing;
s2: preparing slurry: preparing mud strictly according to the designed mud proportion, measuring the mud proportion by a hydrometer at irregular time, and enabling unqualified mud not to be used;
s3: and (3) measuring and placing points: after the field is leveled, the pile position to be drilled needs to be released and marked;
s4: embedding a protection cylinder 1: embedding a pile casing 1 according to the marked point position, installing a positioning device on the pile casing 1, enabling a central shaft of the pile casing 1 to coincide with a pile core, and checking the point position after the pile casing 1 is embedded;
s5: the equipment is in place: moving the drilling equipment to the position above the pile position, wherein the center of the drill bit is superposed with the center of the pile;
s6: drilling by a drilling machine: in the drilling process, parameters such as hole depth, verticality and the like are observed in time, and overbreak and inclination of a filling hole 4 (pile hole) are avoided;
s7: adjusting the positioning device: adjusting the centering mechanism 2 on the casing 1 to ensure that the distance d between the inner wall of the casing 1 and the outer wall of the rolling member 22 is r1-r3+ H, wherein r1 is the radius of the inner wall of the casing 1, r3 is the radius (pile diameter) of the pouring hole 4, and H is the thickness of a designed protective layer;
s8: and (3) lowering a reinforcement cage: the steel reinforcement cage 3 is required to be kept vertical when entering the pouring hole 4 for installation, the length of the hanging reinforcement is accurately calculated, and the hanging reinforcement is repeatedly checked and checked during installation.
S9: hole cleaning: and slurry circulation is carried out before concrete pouring, so that the condition that the pile forming quality is influenced by over-thick sediment is prevented.
S10: pouring concrete: the concrete is poured by the guide pipe, and the concrete is not interrupted during pouring, otherwise the pile breaking phenomenon is easy to occur.
S11: pulling out the protective sleeve 1: after the concrete is initially set, the pile casing 1 can be pulled out, and the next cast-in-situ bored pile is constructed.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a bored concrete pile steel reinforcement cage positioner which characterized in that: including protecting a section of thick bamboo (1) and a plurality of centering mechanism (2), each centering mechanism (2) is around the even interval distribution of center pin of protecting a section of thick bamboo (1), centering mechanism (2) include bracing piece (21) and be used for rolling member (22) with steel reinforcement cage (3) contact, the one end of bracing piece (21) articulates on the inner wall of protecting a section of thick bamboo (1), the other end at bracing piece (21) is installed in rolling member (22), be equipped with between the inner wall of bracing piece (21) and a section of thick bamboo (1) and be used for driving bracing piece (21) pivoted telescopic machanism (23).
2. The apparatus of claim 1, wherein: telescopic machanism (23) are including actuating lever (231), driven lever (232) and slider (233), rotatable the installing on protecting a section of thick bamboo (1) of actuating lever (231), slider (233) slide and establish on bracing piece (21), the one end and the actuating lever (231) threaded connection of driven lever (232), the other end is articulated with slider (233).
3. A bored pile cage positioning device according to claim 2, wherein: the driving rod (231) is connected with a rotating handle (234) outside the protective cylinder (1).
4. A bored pile cage positioning device according to claim 3, wherein: the driving rod (231) and the driven rod (232) are arranged in line.
5. The apparatus of claim 4, wherein: and central shafts of the driving rod (231), the driven rod (232), the supporting rod (21) and the protective cylinder (1) are arranged in a coplanar manner.
6. A bored pile cage positioning device according to claim 2, wherein: and a rolling bearing is connected between the driving rod (231) and the protective cylinder (1).
7. A bored pile cage positioning device according to claim 2, wherein: the sliding part (233) is provided with a through hole (235), and the through hole (235) is sleeved on the side wall of the supporting rod (21) in a sliding mode.
8. A bored pile cage positioning device according to any one of claims 1 to 7, wherein: the rolling element (22) is a rolling bearing or a roller.
9. A bored pile cage positioning device according to any one of claims 1 to 7, wherein: the other end of bracing piece (21) has set firmly spring (24), spring (24) facial make-up is equipped with mounting bracket (25), rolling member (22) are installed on mounting bracket (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076636.9U CN210288403U (en) | 2019-07-10 | 2019-07-10 | Bored concrete pile steel reinforcement cage positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076636.9U CN210288403U (en) | 2019-07-10 | 2019-07-10 | Bored concrete pile steel reinforcement cage positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210288403U true CN210288403U (en) | 2020-04-10 |
Family
ID=70101580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921076636.9U Active CN210288403U (en) | 2019-07-10 | 2019-07-10 | Bored concrete pile steel reinforcement cage positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210288403U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636459A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Immersed tube sinking device capable of adjusting clamping distance |
| CN111636460A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Recyclable immersed tube sinking device |
| CN111636456A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Sinking pipe sinking device capable of resisting water flow buoyancy |
| CN111636458A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Immersed tube sinking device |
| CN111636457A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Sinking pipe sinking device with adjustable distance |
| CN112726611A (en) * | 2020-12-30 | 2021-04-30 | 湖北工建基础设施建设有限公司 | Lifting device and method for positioning and mounting steel casing of deepwater cast-in-situ bored pile |
| CN113389202A (en) * | 2021-07-01 | 2021-09-14 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Device and method for preventing aligning deviation of pile foundation engineering reinforcement cage |
-
2019
- 2019-07-10 CN CN201921076636.9U patent/CN210288403U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636457B (en) * | 2020-06-02 | 2021-07-20 | 中国建筑工程（香港）有限公司 | Sinking pipe sinking device with adjustable distance |
| CN111636460A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Recyclable immersed tube sinking device |
| CN111636456A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Sinking pipe sinking device capable of resisting water flow buoyancy |
| CN111636458A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Immersed tube sinking device |
| CN111636457A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Sinking pipe sinking device with adjustable distance |
| CN111636459A (en) * | 2020-06-02 | 2020-09-08 | 中国建筑工程（香港）有限公司 | Immersed tube sinking device capable of adjusting clamping distance |
| CN111636456B (en) * | 2020-06-02 | 2021-08-17 | 中国建筑工程（香港）有限公司 | Sinking pipe sinking device capable of resisting water flow buoyancy |
| CN111636458B (en) * | 2020-06-02 | 2021-08-17 | 中国建筑工程（香港）有限公司 | Immersed tube sinking device |
| CN111636460B (en) * | 2020-06-02 | 2021-08-17 | 中国建筑工程（香港）有限公司 | Recyclable immersed tube sinking device |
| CN112726611A (en) * | 2020-12-30 | 2021-04-30 | 湖北工建基础设施建设有限公司 | Lifting device and method for positioning and mounting steel casing of deepwater cast-in-situ bored pile |
| CN112726611B (en) * | 2020-12-30 | 2022-03-08 | 湖北工建基础设施建设有限公司 | Lifting device and method for positioning and mounting steel casing of deepwater cast-in-situ bored pile |
| CN113389202A (en) * | 2021-07-01 | 2021-09-14 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Device and method for preventing aligning deviation of pile foundation engineering reinforcement cage |
| CN113389202B (en) * | 2021-07-01 | 2022-07-05 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Device and method for preventing aligning deviation of pile foundation engineering reinforcement cage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210288403U (en) | Bored concrete pile steel reinforcement cage positioner | |
| CN109162274B (en) | Template support detection frame of manual hole digging pile and using method thereof | |
| CN109357592B (en) | Manual hole digging pile diameter and verticality detection device | |
| JP4609783B1 (en) | Method and apparatus for collecting core with known orientation | |
| CN113294138B (en) | Full-sleeve full-rotary drilling machine device | |
| CN213448478U (en) | Underground garage bored concrete pile steel reinforcement cage centering device | |
| CN110424951A (en) | The measuring tool and its application method of pile foundation hole perpendicularity | |
| CN114457803A (en) | Civil engineering pile foundation fixing structure and implementation method | |
| US10329844B2 (en) | Anchor rod multi-section reaming machine tool and application thereof | |
| CN112663613A (en) | Verticality control device and verticality control method for latticed column | |
| JP5167109B2 (en) | Tilt measuring jig and tilt measuring method | |
| CN107642085B (en) | Pile casing for bored pile and karst cave treatment method | |
| JP2010121375A (en) | Excavation device and excavation method | |
| CN114164858B (en) | High-precision construction method for vertical column in cover-excavation type subway station | |
| CN211228470U (en) | Construction device for slurry-free cast-in-situ bored pile | |
| CN110952548B (en) | Drilling rod drilling guiding method for large-diameter PHC tubular pile guide hole and drilling rod thereof | |
| CN116677323A (en) | Core sampling drill bit for environmental monitoring geotechnical engineering and use method thereof | |
| CN115874609A (en) | Construction method of large-diameter overlong cast-in-place pile | |
| CN113356185B (en) | Assembled underground station steel pipe column and accurate installation method thereof | |
| CN210741339U (en) | Drilling diameter measuring device | |
| JP3472766B2 (en) | Orienting wireline core barrel device | |
| JP5191071B2 (en) | Drilling method | |
| CN110530238B (en) | Drilling diameter measuring device and method | |
| CN220960101U (en) | Pile foundation pore-forming straightness detection instrument that hangs down | |
| CN220703047U (en) | Concrete placement pipe locating rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |