CN211006642U - Accurate positioning device for hoisting reinforcement cage of cast-in-situ bored pile - Google Patents
Accurate positioning device for hoisting reinforcement cage of cast-in-situ bored pile Download PDFInfo
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- CN211006642U CN211006642U CN201921286776.9U CN201921286776U CN211006642U CN 211006642 U CN211006642 U CN 211006642U CN 201921286776 U CN201921286776 U CN 201921286776U CN 211006642 U CN211006642 U CN 211006642U
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- reinforcement cage
- steel pipe
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- positioning
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Abstract
The utility model discloses a drilling bored concrete pile hangs puts steel reinforcement cage accurate positioning device. The device comprises a support frame (1) and a positioning adjusting mechanism (2); the positioning adjusting mechanism (2) is supported and arranged on the support frame (1); the horizontal adjusting mechanism (3) is arranged on the supporting frame (1) and is used for adjusting the level of the supporting frame (1); the positioning adjusting mechanism (2) is used for connecting and hoisting the reinforcement cage, and the positioning adjusting mechanism (2) can carry out positioning adjustment on the position of the reinforcement cage on the same level. The device of the utility model can accurately adjust the pile top elevation when the cast-in-place pile transfers the reinforcement cage, and can avoid hole collapse; simultaneously, still can the level of steel reinforcement cage is transferred in the accurate regulation, make steel reinforcement cage can accurate centre drill way transfer, and then accurate regulation steel bar protective layer thickness avoids pile body concrete protective layer thickness deviation too big.
Description
Technical Field
The utility model relates to a bored concrete pile steel reinforcement cage hangs puts technical field, concretely relates to bored concrete pile hangs puts steel reinforcement cage accurate positioning device.
Background
In the traditional construction process of the cast-in-situ bored pile, a reinforcement cage supporting cross rod frame is usually placed on a steel casing mouth of an orifice when a reinforcement cage is hoisted, and the gravity of the reinforcement cage is supported by using the friction force of a casing body; meanwhile, the height of the opening of the steel casing is drilled to serve as a reference, and the length of a steel bar cage hanging bar is inversely calculated by combining the elevation of the pile top.
However, when the reinforcement cage is hoisted by adopting the traditional construction mode, all the pouring devices and the gravity of a concrete worker can simultaneously act on the pile casing when concrete is poured at the later stage. Under the action of external force, the pile casing is easy to sink to cause pile top elevation deviation and even hole collapse risk; moreover, the crane is transferred the steel reinforcement cage and is difficult to accurate drill way placed in the middle and transfers, and later stage regulation difficulty leads to pile body concrete protective layer thickness deviation big.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling bored concrete pile hangs puts steel reinforcement cage accurate positioning device to the defect or not enough that exist among the prior art. The device can accurately adjust the pile top elevation when the cast-in-place pile transfers the reinforcement cage, and can avoid hole collapse; simultaneously, still can the level of steel reinforcement cage is transferred in the accurate regulation, make steel reinforcement cage can accurate centre drill way transfer, and then accurate regulation steel bar protective layer thickness avoids pile body concrete protective layer thickness deviation too big.
The purpose of the utility model is realized through the following technical scheme.
A precise positioning device for hoisting a reinforcement cage by a cast-in-situ bored pile comprises a support frame and a positioning and adjusting mechanism; the positioning adjusting mechanism is supported and arranged on the supporting frame; the supporting frame is provided with a horizontal adjusting mechanism for adjusting the level of the supporting frame; the positioning and adjusting mechanism is used for connecting and hoisting the reinforcement cage, and can carry out positioning and adjusting on the position of the reinforcement cage on the same level.
Preferably, the support frame is a rectangular support frame.
Further preferably, the support frame is a square support frame.
More preferably, the horizontal adjusting mechanisms are distributed at four corners of the supporting frame;
the horizontal adjusting mechanism comprises a nut, a screw and a bearing; the bearing is fixedly welded on the support frame; the nut is concentrically arranged in the bearing with the bearing; one end of the screw rod penetrates through the nut in a threaded fit manner; the other end of the screw rod is connected with a backing plate.
Preferably, the four corners of the supporting frame are provided with through holes for mounting the horizontal adjusting mechanism;
the bearing is concentrically welded at the bottom of the support frame with the through hole; the nut is concentrically arranged in the bearing with the bearing; one end of the screw rod penetrates through the nut in a threaded fit mode and can penetrate through the through hole deeply.
More preferably, the positioning adjustment mechanism comprises a first steel pipe; the edges of the supporting frame are provided with grooves with the length consistent with the length direction of the edges; two ends of the first steel pipe are respectively supported and arranged on the grooves of the two opposite edges of the supporting frame through rollers;
the middle part of the first steel pipe is connected with the reinforcement cage in a stressed manner; and the end parts of the two ends of the first steel pipe are provided with fixing pins connected with the rollers.
Still further preferably, the first steel pipe is perpendicular to the side of the support frame supporting the first steel pipe.
Still further preferably, the first steel pipe includes two parallel pipes.
Still further preferably, the first steel pipe is connected with and hoists the reinforcement cage through the second steel pipe;
two ends of the second steel pipe are respectively and fixedly connected with the middle parts of the two parallel first steel pipes, and the second steel pipe is vertical to the first steel pipes; the horizontal position of the second steel pipe is higher than that of the first steel pipe; and the second steel pipe is directly connected with the reinforcement cage.
Still further preferably, the second steel pipe comprises two parallel steel pipes, and the two second steel pipes are respectively used for directly connecting two opposite ends of the reinforcement cage.
Still further preferably, the second steel pipe is fixedly connected with the first steel pipe through a right-angle buckle.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
(1) in the device, the gravity action of a reinforcement cage, pouring equipment, constructors and the like can be diffused to the periphery of the edge of the orifice of the cast-in-place pile through the support frame, so that the acting force on the orifice of the cast-in-place pile is reduced, the risk of hole collapse can be effectively avoided, and the construction safety performance is improved;
(2) in the device of the utility model, the four corners of the supporting frame are provided with the horizontal adjusting mechanisms, which can adjust the level of the supporting frame to overcome the unevenness of the surface of the field, thereby accurately adjusting the pile top elevation when the filling pile transfers the reinforcement cage;
(3) the utility model discloses an in the device, set up the positioning control mechanism including the steel pipe on the support frame in order to bear the weight of steel reinforcement cage to can the accurate level of transferring the steel reinforcement cage of adjusting, thereby make the steel reinforcement cage can accurate centre drill way transfer, and then accurate regulation reinforcing bar protective layer thickness, avoid pile body concrete protective layer thickness deviation too big.
Drawings
Fig. 1 is a schematic top view of a device for accurately positioning a steel reinforcement cage suspended by a cast-in-situ bored pile according to an embodiment of the present invention;
fig. 2 is a left side view structural schematic diagram of the device for accurately positioning a steel reinforcement cage hoisted by a cast-in-situ bored pile according to the present invention in an exemplary embodiment;
fig. 3 is a schematic view of an installation overlooking structure of a horizontal adjusting mechanism in the device for accurately positioning a steel reinforcement cage hoisted by a cast-in-situ bored pile according to the embodiment of the present invention;
the attached drawings are marked as follows: 1-support frame, 10-through hole, 2-positioning adjusting mechanism, 21-first steel pipe, 22-roller, 23-fixing pin, 24-second steel pipe, 25-right angle buckle, 3-horizontal adjusting mechanism, 31-nut, 32-screw, 33-bearing, 34-backing plate, 4-lifting ring and 5-reinforcement cage.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "bottom", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the structure of the present invention is used, and the terms "first", "second", etc. are only used for distinguishing the description, and are only used for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the present invention, nor indicating or implying relative importance.
Referring to fig. 1-2, it is shown that the utility model discloses a steel reinforcement cage accurate positioning device is put in hanging of bored concrete pile. The device comprises a support frame 1 and a positioning adjusting mechanism 2; the positioning adjusting mechanism 2 is supported and arranged on the support frame 1; the supporting frame 1 is provided with a horizontal adjusting mechanism 3 for adjusting the level of the supporting frame 1; the positioning and adjusting mechanism 2 is used for connecting and hoisting a reinforcement cage 5, and the positioning and adjusting mechanism 2 can perform positioning and adjusting on the position of the reinforcement cage 5 on the same level.
In a particularly preferred embodiment, the support frame 1 is a rectangular support frame. The square support frame is more preferably adopted, and particularly, the square support frame is formed by welding channel steel; and the side of the square support frame is provided with a groove with the length same as the length direction of the side.
In a preferred embodiment, four horizontal adjusting mechanisms 3 are provided and are uniformly distributed at four corners of the supporting frame 1. Because the support frame 1 adopts the structure of rectangle, set up horizontal adjustment mechanism 3 in the four corners of support frame 1, enable the atress of whole support frame 1 more steady, balanced, make horizontal adjustment mechanism 3 better to the horizontal adjustment effect of support frame 1.
The horizontal adjusting mechanism 3 is a spiral lifting horizontal adjusting mechanism, and comprises a nut 31, a screw 32 and a bearing 33. The bearing 33 is fixedly welded on the support frame 1; in addition, the nut 31 is arranged in the bearing 33 concentrically with the bearing 33, specifically, the outer wall of the nut 31 is fixed with the inner wall of the bearing 33, so that the nut 31 can rotate relative to the bearing 33; moreover, in a specific design, one end of the nut 31 extends axially out of the bottom of the bearing 33, so that the extended part can provide a convenient point of action for a machine tool; one end of the screw rod 32 penetrates through the nut 31 through thread fit; the other end of the screw 32 is connected with a backing plate 34.
Therefore, as the outer wall of the nut 31 is fixedly connected with the inner wall of the bearing 33, the bearing 33 is fixedly connected with the support frame 1, and the nut 31 is in threaded fit with the screw rod 32, when the nut 31 is rotated by a mechanical tool, the nut 31 can move in the vertical direction along the threads on the screw rod 32, so that the horizontal position of the support frame 1 is changed, and the purpose of adjusting the horizontal position of the support frame 1 is achieved. In addition, the adjustment of the horizontal height is realized through the thread matching of the nut 31 and the screw 32, so that the fine adjustment effect of the horizontal height is better.
In particular use, the pad 34 is in direct contact with the ground floor to support the unitary support 1. When needs are adjusted the level of support frame 1, adopt spanner swivel nut 31, make nut 31 different at the level cooperation position of screw rod 32, carry out the adjustment of different degrees through the level cooperation position between nut 31 and the screw rod 32 to among the horizontal adjustment mechanism 3 on four angles, thereby can accomplish the level to whole support frame 1 according to the unevenness degree on place ground and adjust, effectively overcome the unevenness on place surface, thereby can the accurate pile bolck elevation when adjusting bored concrete pile and transferring the steel reinforcement cage. The horizontal adjusting mechanism formed by the nut 31, the screw 32 and the bearing 33 is labor-saving and convenient to adjust under the condition of stress.
Referring to fig. 3, in a preferred embodiment, through holes 10 for installing the horizontal adjusting mechanism 3 are opened at four corners of the supporting frame 1.
Specifically, the bearing 33 is welded at the bottom of the support frame 1 concentrically with the through hole 10; the nut 31 is arranged in the bearing 33 concentrically with the bearing 33; one end of the screw rod 32 penetrates through the nut 31 through thread fit and can penetrate into the through hole 10, and the other end of the screw rod 32 is fixedly connected with the backing plate 34. So, run through the screw rod 32 through-hole 10 and assemble on support frame 1 for horizontal adjustment mechanism 3 is more stable in the installation on support frame 1, and is better to support frame 1's supporting effect, thereby makes screw rod 32 at the screw-thread fit fine setting in-process with nut 31, and support frame 1's stability effect is better, further is favorable to improving the fine setting effect of support frame 1's level.
Specifically, the positioning adjustment mechanism 2 includes a first steel pipe 21, and in a preferred embodiment, the first steel pipe 21 is a round steel pipe; because the supporting frame 1 is formed by welding channel steel, grooves with the length consistent with the length direction of the edges are arranged on the edges of the supporting frame 1; two ends of the first steel pipe 21 are respectively supported and arranged on grooves of two opposite sides of the support frame 1 through rollers 22.
The middle part of the first steel pipe 21 is connected with the reinforcement cage 5 in a stressed way; and fixing pins 23 connected with the rollers 22 are provided at both end portions of the first steel pipe 21, specifically, in an alternative embodiment, the fixing pins 23 are nut fixing pins.
When needing to carry out the ascending position adjustment of horizontal direction to steel reinforcement cage 5, thereby drive first steel pipe 21 through gyro wheel 22 and remove and drive steel reinforcement cage 5 and carry out the ascending removal of horizontal direction, after first steel pipe 21 passes through gyro wheel 22 and removes and reach the target location, drive steel reinforcement cage 5 promptly and reach the target location, the motion of accessible fixed pin 23 locking gyro wheel 22 makes the rigidity of first steel pipe 21 to accomplish steel reinforcement cage 5's positioning adjustment. Wherein first steel pipe 21 supports through gyro wheel 22 and sets up in the recess on the limit of support frame 1, makes the horizontal migration adjustment of first steel pipe 21 more convenient to can be laborsaving, convenient carry out the removal on the horizontal direction to steel reinforcement cage 5.
So, can effectively bear the weight of steel reinforcement cage 5 through first steel pipe 21 to can disperse the steel reinforcement cage 5 gravity that receives to support frame 1 on, avoid concentrating the atress too big. Simultaneously, through the cooperation of first steel pipe 21, gyro wheel 22 and fixed pin 23 on the positioning adjustment mechanism 2, can carry out accurate location to steel reinforcement cage 5 to can the level of steel reinforcement cage 5 is transferred in the accurate regulation, thereby make steel reinforcement cage 5 can accurate drill way placed in the middle transfer, and then accurate regulation steel bar protective layer thickness, it is too big to avoid pile body concrete protective layer thickness deviation.
The first steel pipe 21 is perpendicular to the side of the support frame 1 supporting the first steel pipe 21, that is, the first steel pipe 21 is perpendicular to two opposite sides supporting the first steel pipe 21. The first steel pipe 21 includes two parallel pipes.
Further, in a preferred embodiment, the first steel pipe 21 is connected to and hoists the reinforcement cage 5 through the second steel pipe 24, and in a preferred embodiment, the second steel pipe 24 is a circular steel pipe.
The two ends of the second steel pipe 24 are respectively and fixedly connected to the middle parts of the two parallel first steel pipes 21, and specifically, the second steel pipe 24 is fixedly connected to the first steel pipe 21 through a right-angle buckle 25.
And the second steel pipe 24 is perpendicular to the first steel pipe 21; the horizontal position of the second steel pipe 24 is higher than that of the first steel pipe 21; the second steel tube 24 is directly connected to the reinforcement cage. Because second steel pipe 24 directly receives the action of gravity of steel reinforcement cage 5, consequently set up second steel pipe 24 in the top of first steel pipe 21, can ensure that the gravity that second steel pipe 24 received directly acts on first steel pipe 21, rather than transmit through the connection structure including right angle buckle 25, effectively improved first steel pipe 21 to second steel pipe 24's supporting role, improved the atress security.
And, second steel pipe 24 is including parallel arrangement's two, and two the interval of second steel pipe 24 equals with steel reinforcement cage 5's diameter, and two second steel pipe 24 are used for the direct connection respectively the relative both ends on steel reinforcement cage 5, specifically, second steel pipe 24 passes through rings 4 and connects steel reinforcement cage 5.
The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications that do not depart from the spirit and principles of the present invention will be included in the protection scope of the present invention.
Claims (10)
1. A precise positioning device for hoisting a reinforcement cage of a cast-in-situ bored pile is characterized by comprising a support frame (1) and a positioning adjusting mechanism (2); the positioning adjusting mechanism (2) is supported and arranged on the support frame (1); the horizontal adjusting mechanism (3) is arranged on the supporting frame (1) and is used for adjusting the level of the supporting frame (1); the positioning adjusting mechanism (2) is used for connecting and hoisting the reinforcement cage, and the positioning adjusting mechanism (2) can carry out positioning adjustment on the position of the reinforcement cage on the same level.
2. The device for accurately positioning the steel reinforcement cage hoisted by the cast-in-situ bored pile according to claim 1, wherein the support frame (1) is a rectangular support frame.
3. The device for accurately positioning the steel reinforcement cage hoisted by the cast-in-situ bored pile according to claim 2, wherein the horizontal adjusting mechanisms (3) are distributed at four corners of the support frame (1);
the horizontal adjusting mechanism (3) comprises a nut (31), a screw rod (32) and a bearing (33); the bearing (33) is fixedly welded on the support frame (1); the nut (31) is arranged in the bearing (33) concentrically with the bearing (33); one end of the screw rod (32) penetrates through the nut (31) through threaded fit; the other end of the screw rod (32) is connected with a backing plate (34).
4. The device for accurately positioning the steel reinforcement cage hoisted by the cast-in-situ bored pile according to claim 3, wherein through holes (10) for installing the horizontal adjusting mechanism (3) are formed at four corners of the support frame (1); the bearing (33) is concentrically welded to the through hole (10) at the bottom of the support frame (1).
5. The device for accurately positioning the hoisting reinforcement cage of the cast-in-situ bored pile according to any one of claims 2 to 4, wherein the positioning and adjusting mechanism (2) comprises a first steel pipe (21); the edges of the support frame (1) are provided with grooves with the length consistent with the length direction of the edges; two ends of the first steel pipe (21) are respectively supported and arranged on grooves of two opposite edges of the support frame (1) through rollers (22);
the middle part of the first steel pipe (21) is connected with the steel reinforcement cage in a stressed manner; and the end parts of the two ends of the first steel pipe (21) are provided with fixing pins (23) connected with the rollers (22).
6. The device for accurately positioning the hoisting reinforcement cage of the cast-in-situ bored pile according to claim 5, wherein the first steel pipe (21) is perpendicular to the edge of the support frame (1) supporting the first steel pipe (21).
7. A device for accurately positioning a reinforcement cage hoisted by a cast-in-situ bored pile according to claim 5, wherein the first steel pipe (21) comprises two parallel pipes.
8. The device for accurately positioning the hoisting reinforcement cage of the cast-in-situ bored pile according to claim 7, wherein the first steel pipe (21) is connected with the hoisting reinforcement cage through a second steel pipe (24);
two ends of the second steel pipe (24) are respectively and fixedly connected with the middle parts of the two parallel first steel pipes (21), and the second steel pipe (24) is vertical to the first steel pipes (21); the horizontal position of the second steel pipe (24) is higher than that of the first steel pipe (21); the second steel pipe (24) is directly connected with the reinforcement cage.
9. The device for accurately positioning the steel reinforcement cage hoisted by the cast-in-situ bored pile as recited in claim 8, wherein the second steel tube (24) comprises two parallel steel tubes, and the two second steel tubes (24) are respectively used for directly connecting two opposite ends of the steel reinforcement cage.
10. The device for accurately positioning the hoisting reinforcement cage of the cast-in-situ bored pile according to claim 8, wherein the second steel pipe (24) is fixedly connected to the first steel pipe (21) through a right-angle buckle (25).
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CN201921286776.9U CN211006642U (en) | 2019-08-09 | 2019-08-09 | Accurate positioning device for hoisting reinforcement cage of cast-in-situ bored pile |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113716450A (en) * | 2021-07-13 | 2021-11-30 | 中铁二十四局集团有限公司 | Construction steel reinforcement cage hoist device |
CN113846642A (en) * | 2021-08-26 | 2021-12-28 | 潮峰钢构集团有限公司 | Height control positioning system and positioning method for internal inserted lattice column based on cast-in-place pile |
CN113863300A (en) * | 2021-10-19 | 2021-12-31 | 中石化石油工程技术服务有限公司 | Adjusting device and adjusting method for elevation of top surface of cast-in-place pile reinforcement cage |
CN114457789A (en) * | 2022-03-04 | 2022-05-10 | 中庆建设有限责任公司 | Bored pile steel reinforcement cage mounting platform |
-
2019
- 2019-08-09 CN CN201921286776.9U patent/CN211006642U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113716450A (en) * | 2021-07-13 | 2021-11-30 | 中铁二十四局集团有限公司 | Construction steel reinforcement cage hoist device |
CN113846642A (en) * | 2021-08-26 | 2021-12-28 | 潮峰钢构集团有限公司 | Height control positioning system and positioning method for internal inserted lattice column based on cast-in-place pile |
CN113863300A (en) * | 2021-10-19 | 2021-12-31 | 中石化石油工程技术服务有限公司 | Adjusting device and adjusting method for elevation of top surface of cast-in-place pile reinforcement cage |
CN114457789A (en) * | 2022-03-04 | 2022-05-10 | 中庆建设有限责任公司 | Bored pile steel reinforcement cage mounting platform |
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