CN113430937A - Large-scale rectangular-section pier body steel bar prefabricated jig frame and using method - Google Patents
Large-scale rectangular-section pier body steel bar prefabricated jig frame and using method Download PDFInfo
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- CN113430937A CN113430937A CN202110637274.1A CN202110637274A CN113430937A CN 113430937 A CN113430937 A CN 113430937A CN 202110637274 A CN202110637274 A CN 202110637274A CN 113430937 A CN113430937 A CN 113430937A
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- steel bar
- frame
- bottom plate
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- pier body
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a large-scale rectangular cross-section pier body steel bar prefabricating jig frame and a using method, wherein the jig frame comprises a bottom plate, a hydraulic system, a bottom hydraulic pushing system, a movable upright rod positioning frame, end main rib positioning frames and a horizontal fixing rod, wherein the end main rib positioning frames are arranged at two ends of the bottom plate, the hydraulic system is arranged below the bottom plate and is close to the outer edges of the front side and the rear side of the bottom plate, the number of the bottom hydraulic pushing systems is multiple, the bottom hydraulic pushing systems are uniformly distributed below the bottom plate, the movable upright rod positioning frames are arranged between the two end main rib positioning frames, and the upper end and the lower end of each movable upright rod positioning frame are respectively provided with a top positioning device and a bottom positioning device; the movable vertical rod positioning frame moves on the horizontal fixing rod, and two ends of the horizontal fixing rod are connected to the two end main rib positioning frames respectively. The invention saves construction time and labor, reduces construction risk, optimizes pier construction efficiency, and ensures safe and efficient construction.
Description
Technical Field
The invention belongs to the field of steel bar transportation, and particularly relates to a large-scale rectangular-section pier body steel bar prefabricated jig frame and a using method thereof.
Background
The steel bar prefabrication jig frame is a mode of prefabricating steel bars in sections in pier body construction, and high piers can be constructed by adopting the process of prefabricating the sections on the ground and integrally hoisting the sections due to different construction scales of the pier body. For the large rectangular section pier body with the diameter of less than 4 meters, the steel bar prefabrication jig frame is generally made of steel plate positioning steel bars, is moved by a lead screw and is hoisted by a crane. Because pier shaft reinforcing bar dead weight is great, and the prefabricated degree of difficulty is high, though ordinary bed-jig satisfies the requirement, the engineering time is longer, and after the reinforcing bar prefabrication was accomplished, needs a plurality of lead screws of synchronous motion, extravagant artifical and the high-efficient of not utilizing pier shaft construction to go on.
Disclosure of Invention
In order to solve the problems that the existing pier body reinforcing steel bar is large in self weight, high in prefabrication difficulty, long in construction time of a common jig frame, labor is wasted, and pier body construction is not efficiently carried out, the invention provides the large-sized rectangular-section pier body reinforcing steel bar prefabrication jig frame.
The technical scheme adopted by the invention is as follows:
a large-scale section pier shaft reinforcing bar prefabrication bed-jig, including bottom plate, hydraulic system, bottom hydraulic pressure push away system, portable pole setting locating rack, tip main reinforcement locating rack and horizontal dead lever, the said tip main reinforcement locating rack is set up in both ends of bottom plate, the said hydraulic system is set up below the bottom plate, and the outer edge close to both sides of front and back of the bottom plate, the said bottom hydraulic pressure push away system is multiple, distribute under the bottom plate evenly, there are multiple portable pole setting locating racks between two said tip main reinforcement locating racks, the upper and lower both ends of the said portable pole setting locating rack have top locating device and bottom locating device respectively; the movable vertical rod positioning frame moves on the horizontal fixing rod, and two ends of the horizontal fixing rod are connected to the two end main rib positioning frames respectively.
The bottom plate is in a rectangular frame shape.
The bottom hydraulic pushing system is a jack or a hydraulic cylinder.
And a steel backing plate is arranged at the upper end of the bottom hydraulic pushing system.
The top positioning device and the bottom positioning device are both positioning rulers.
The end main rib positioning frame is U-shaped, and the U-shaped bottom is fixed on the bottom plate.
The steel bar framework prefabricated jig frame with the large cross section pier body is characterized by further comprising a conveying system, wherein the conveying system is used for conveying the steel bar framework manufactured in the large cross section pier body steel bar prefabricated jig frame.
Each movable vertical rod positioning frame comprises two vertical rods, and the front and the back of the two vertical rods are arranged on the front and the back edges of the bottom plate.
The horizontal fixing rod is connected with the movable vertical rod positioning frame through a clamping groove.
A use method of a large-section pier body steel bar prefabricated jig frame comprises the following specific steps: when constructor carries out the reinforcing bar prefabrication, set up large-scale cross-section pier shaft reinforcing bar prefabrication bed-jig at the construction site, then carry out the reinforcing bar prefabrication, after the reinforcing bar prefabrication is accomplished, at first utilize left and right sides hydraulic system, synchronous motion both sides vertical reinforcement location bed-jig, then utilize bottom hydraulic pressure top pushing system to wholly raise the skeleton, utilize conveying system to remove the finished product reinforcing bar to hoist and mount the position at last, transfer to pier shaft job site by crane cooperation flatbed and hoist and mount prefabricated reinforcing bar skeleton.
The invention has the beneficial effects that:
the large rectangular-section pier body steel bar prefabrication jig provided by the invention saves construction time and labor in the steel bar prefabrication process, reduces steel bar binding construction risks, optimizes pier body construction efficiency, and ensures that the large-section pier body construction is carried out safely and efficiently.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a vertical structure of a steel bar prefabricated jig frame.
Fig. 2 is a schematic side elevation structure view of a steel bar prefabricating jig.
Fig. 3 is a schematic plane structure diagram of a steel bar prefabrication jig.
In the figures, the reference numbers are: 1. a hydraulic system; 2. a bottom hydraulic jacking system; 3. movable vertical rods are used for positioning; 4. a bottom positioning device; 5. a top positioning device; 6. positioning and adding end main ribs; 7. a horizontal fixing rod; 8. a delivery system; 9. a base plate.
Detailed Description
Example 1:
in order to solve the problems that the existing pier body steel bar has large self weight, high prefabrication difficulty, long construction time of a common jig frame, labor waste and high-efficiency pier body construction is not utilized, the invention provides the large-sized rectangular-section pier body steel bar prefabrication jig frame and the use method thereof shown in the figures 1-3.
A large-scale section pier shaft reinforcing bar prefabrication bed-jig, including bottom plate 9, hydraulic system 1, bottom hydraulic pressure push away system 2, portable pole setting locating rack 3, tip main reinforcement locating rack 6 and horizontal dead lever 7, the said tip main reinforcement locating rack 6 is set up in the both ends of bottom plate 9, the said hydraulic system 1 is set up under the bottom plate 9, and the outer edge close to both sides of front and back of the bottom plate 9, the said bottom hydraulic pressure push away system 2 is multiple, distribute under the bottom plate 9 evenly, there are multiple portable pole setting locating racks 3 between two said tip main reinforcement locating racks 6, the upper and lower both ends of the said portable pole setting locating rack 3 have top locating device 5 and bottom locating device 4 respectively; the movable vertical rod positioning frame 3 moves on the horizontal fixing rod 7, and two ends of the horizontal fixing rod 7 are respectively connected to the two end main rib positioning frames 6.
As shown in figures 1 and 3, two ends of a bottom plate 9 of the invention are formed into a cuboid shape through end part main rib positioning frames 6, a top plate is added at the top of the cuboid when needed, and the top plate can be detached. In the invention, a plurality of hydraulic systems 1 are uniformly distributed on two long edges of the bottom of the cuboid, and the plurality of hydraulic systems 1 work synchronously. The steel bar jig frame provided by the invention is erected in a construction site, one end of the steel bar jig frame is fixedly provided with the positioning main rib, the other end of the steel bar jig frame adopts a motor to movably install the stirrup and the main rib, the ground pier body steel bar prefabrication is carried out by adopting manual cooperation with automatic operation of the jig frame, after the prefabrication is finished, the prefabricated steel bar framework is separated from the jig frame by utilizing the action of the bottom hydraulic pushing system 2 and the hydraulic system 1, and the hoisting of a crane is convenient.
The hydraulic system 1 of the present invention at least comprises a hydraulic pump and an actuator (e.g., a hydraulic cylinder and a hydraulic motor) for converting pressure energy of a fluid into mechanical energy to drive a load to perform a linear reciprocating motion or a rotary motion. The hydraulic system 1 of the present invention is prior art and will not be further described in the present invention.
According to the invention, the size of the bottom plate is selected according to requirements, and different sizes can meet the prefabrication of pier body reinforcing steel bars with different specifications. Compared with the traditional jig frame, the invention saves the construction time and labor in the process of prefabricating the reinforcing steel bars, reduces the risk of binding and constructing the reinforcing steel bars, optimizes the pier construction efficiency and ensures the safe and efficient construction of the pier body with the large section.
Example 2:
based on embodiment 1, in this embodiment, it is preferable that the bottom plate 9 has a rectangular frame shape.
Preferably, the bottom hydraulic pushing system 2 is a jack or a hydraulic cylinder.
Preferably, the upper end of the bottom hydraulic pushing system 2 is provided with a steel backing plate.
In the invention, the setting of the steel backing plate ensures that the bottom hydraulic pushing system 2 has even force and can not damage the manufactured steel reinforcement framework when jacking the manufactured steel reinforcement framework. The well-certified reinforcement cage is completely jacked up.
Preferably, the top positioning device 5 and the bottom positioning device 4 are both positioning rulers.
In the invention, as shown in fig. 2, the positioning scale has the positioning size, so that the distance required by movement of the movable upright positioning frame 3 is intuitive and clear in the process of moving left and right without measuring midway. The positioning scale improves the accurate determination of the positioning of the movable upright rod positioning frame 3.
Preferably, the end main rib positioning frame 6 is in a U shape, and the bottom of the U shape is fixed on the bottom plate 9.
In the invention, the two U-shaped opening ends are additionally provided with the upright posts, and the upright posts are lower than the most reaching point of the U-shaped water level opening ends. The stand has increased the intensity of tip owner muscle locating rack 6, guarantees going on smoothly of prefabricated reinforcing bar.
Preferably, the steel bar framework prefabricated jig further comprises a conveying system 8, and the conveying system 8 is used for conveying the steel bar framework manufactured in the large-section pier body steel bar prefabricated jig frame.
Preferably, each of the movable vertical rod positioning frames 3 comprises two vertical rods, and the two vertical rods are arranged on the front edge and the rear edge of the bottom plate 9 in a front-back manner.
Preferably, the horizontal fixing rod 7 is connected with the movable vertical rod positioning frame 3 by a clamping groove.
The movable vertical rod positioning frame 3 slides in the clamping groove of the horizontal fixing rod 7, the horizontal fixing rods 7 are arranged on the same horizontal plane and are arranged in parallel from top to bottom, the clamping grooves are formed in the horizontal fixing rod 7 above and the horizontal fixing rod 7 below, the direction of the openings of the two clamping grooves is opposite, and the movable vertical rod positioning frame 3 is located in the clamping groove and slides in the clamping groove.
The large rectangular-section pier body steel bar prefabrication jig provided by the invention saves construction time and labor in the steel bar prefabrication process, reduces steel bar binding construction risks, optimizes pier body construction efficiency, and ensures that the large-section pier body construction is carried out safely and efficiently.
A use method of a large-section pier body steel bar prefabricated jig frame comprises the following specific steps: when constructor carries out the reinforcing bar prefabrication, set up large-scale cross-section pier shaft reinforcing bar prefabrication bed-jig at the construction site, then carry out the reinforcing bar prefabrication, after the reinforcing bar prefabrication is accomplished, at first utilize left and right sides hydraulic system 1, synchronous motion both sides vertical reinforcement location bed-jig, then utilize bottom hydraulic pressure top push system 2 to wholly raise the skeleton, utilize conveying system 8 to remove the finished product reinforcing bar to hoist and mount the position at last, transfer to pier shaft job site by crane cooperation flatbed and hoist and mount prefabricated reinforcing bar skeleton.
In the invention, the transmission system 8 and the large-scale section pier body steel bar prefabricated jig frame are not connected integrally, the transmission system 8 can be a conveyor or various conveying devices capable of conveying, the transmission system 8 is the prior art, and further description is not provided in the invention. Conveying system 8 is located large-scale cross-section pier shaft steel bar prefabrication bed-jig outside, when needs remove the finished product framework of reinforcement that makes, starts conveying system 8, removes finished product framework of reinforcement to the assigned position, carries out follow-up construction.
The specific using process of the invention is as follows:
when a constructor performs steel bar prefabrication, a large-section pier body steel bar prefabrication jig frame is erected in a construction site, main steel bar positioning steel bars are fixedly arranged at one end of the jig frame, and long and short main steel bar steel bars are arranged to meet the requirement of screw head connection; the other end adopts the motor to remove the installation pier shaft reinforcement stirrup, after the stirrup location finishes, adopts the automatic bed-jig of manual fit to carry out the main reinforcement location installation, sets up one stirrup, main reinforcement location steel sheet every 1-2m, ensures that the prefabricated skeleton interval of reinforcing bar satisfies the designing requirement. After the steel bar is prefabricated, the left and right hydraulic systems 1 are used for synchronously moving the vertical steel bar positioning jig frames on the two sides, then the bottom hydraulic pushing system 2 is used for lifting the whole framework, and finally the conveying system 8 is used for moving the finished steel bars to a hoisting position. And the prefabricated reinforcement cage is hoisted and installed on the pier body construction site by the crane matched with the flat car. The steel bar prefabricating jig frame effectively solves the problems that when the traditional pier body construction jig frame is prefabricated, because steel bars are large in self weight, high in prefabrication difficulty and long in construction time, and after the steel bars are prefabricated, a plurality of screw rods need to be moved synchronously, labor is wasted, and pier body construction is not utilized efficiently.
In the invention, a horizontal fixed rod 7 and an end main reinforcement positioning frame 6 are welded and fixed into a whole, and the bottoms of the left side and the right side of the reinforcement jig provided by the invention are provided with longitudinal movable tooth ridges; after the steel bar is prefabricated, the bottom hydraulic pushing system 2 synchronously pushes the finished steel bar, so that the finished steel bar leaves the bottom positioning device 4. Two ends of the main reinforcement arranged at the right end are positioned and added by 6 at an interval of 1.5m, and sleeves are arranged in a staggered manner, so that the main reinforcement is positioned accurately.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention. The apparatus structure and the method steps thereof, which are not described in detail in the present invention, are prior art and will not be further described in the present invention.
Claims (10)
1. The utility model provides a prefabricated bed-jig of large-scale rectangular cross section pier shaft reinforcing bar which characterized in that: the device comprises a bottom plate (9), a hydraulic system (1), bottom hydraulic pushing systems (2), movable upright rod positioning frames (3), end part main rib positioning frames (6) and horizontal fixing rods (7), wherein the end part main rib positioning frames (6) are arranged at two ends of the bottom plate (9), the hydraulic system (1) is arranged below the bottom plate (9) and is close to the outer edges of the front side and the rear side of the bottom plate (9), the number of the bottom hydraulic pushing systems (2) is multiple and is uniformly distributed below the bottom plate (9), a plurality of movable upright rod positioning frames (3) are arranged between the two end part main rib positioning frames (6), and the upper end and the lower end of each movable upright rod positioning frame (3) are respectively provided with a top positioning device (5) and a bottom positioning device (4); the movable vertical rod positioning frame (3) moves on the horizontal fixing rod (7), and two ends of the horizontal fixing rod (7) are connected to the two end main rib positioning frames (6) respectively.
2. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: the bottom plate (9) is in a rectangular frame shape.
3. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: the bottom hydraulic pushing system (2) is a jack or a hydraulic cylinder.
4. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 3, characterized in that: the upper end of the bottom hydraulic pushing system (2) is provided with a steel backing plate.
5. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: the top positioning device (5) and the bottom positioning device (4) are both positioning rulers.
6. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: the end main rib positioning frame (6) is U-shaped, and the U-shaped bottom is fixed on the bottom plate (9).
7. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: the steel bar framework prefabricated jig frame is characterized by further comprising a conveying system (8), wherein the conveying system (8) is used for conveying the steel bar framework manufactured in the large-section pier body steel bar prefabricated jig frame.
8. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: each movable vertical rod positioning frame (3) comprises two vertical rods, and the front and the back of the two vertical rods are arranged on the front and the back edges of the bottom plate (9).
9. The large-scale rectangular cross-section pier body steel bar prefabricating jig frame of claim 1, characterized in that: the horizontal fixed rod (7) is connected with the movable vertical rod positioning frame (3) through a clamping groove.
10. The use method of the large rectangular-section pier body steel bar prefabricated jig frame is characterized by comprising the following steps of: the method comprises the following specific steps: when constructor carries out the reinforcing bar prefabrication, set up large-scale cross-section pier shaft reinforcing bar prefabrication bed-jig at the construction site, then carry out the reinforcing bar prefabrication, after the reinforcing bar prefabrication is accomplished, at first utilize left and right sides hydraulic system (1), synchronous movement both sides vertical reinforcement location bed-jig, then utilize bottom hydraulic pressure top pushing system (2) to raise the skeleton is whole, utilize conveying system (8) to remove the finished product reinforcing bar to hoist and mount the position at last, transfer to pier shaft job site by crane cooperation flatbed and hoist and mount prefabricated reinforcing bar skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637274.1A CN113430937A (en) | 2021-06-08 | 2021-06-08 | Large-scale rectangular-section pier body steel bar prefabricated jig frame and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637274.1A CN113430937A (en) | 2021-06-08 | 2021-06-08 | Large-scale rectangular-section pier body steel bar prefabricated jig frame and using method |
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| Publication Number | Publication Date |
|---|---|
| CN113430937A true CN113430937A (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110637274.1A Pending CN113430937A (en) | 2021-06-08 | 2021-06-08 | Large-scale rectangular-section pier body steel bar prefabricated jig frame and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113430937A (en) |
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2021
- 2021-06-08 CN CN202110637274.1A patent/CN113430937A/en active Pending
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