CN212742226U - Steel bar positioning device - Google Patents

Steel bar positioning device Download PDF

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Publication number
CN212742226U
CN212742226U CN202021195918.3U CN202021195918U CN212742226U CN 212742226 U CN212742226 U CN 212742226U CN 202021195918 U CN202021195918 U CN 202021195918U CN 212742226 U CN212742226 U CN 212742226U
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CN
China
Prior art keywords
square pipe
positioning
steel bar
sleeve
reinforcing bar
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Active
Application number
CN202021195918.3U
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Chinese (zh)
Inventor
俞文龙
朱飞
许海啸
张胜雷
冯亮
徐文祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Rail Transit Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
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Shanghai Rail Transit Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
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Priority to CN202021195918.3U priority Critical patent/CN212742226U/en
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Abstract

The utility model relates to a reinforced concrete construction technical field specifically is a reinforcing bar positioner, aims at solving the technical problem of the difficult assurance of reinforcing bar positioning accuracy when current reinforcing bar processing and hoist and mount butt joint. The following technical scheme is adopted: the reinforcing steel bar positioning frame comprises a square pipe, a first side face of the square pipe is provided with an installation seam arranged along the length direction of the square pipe, two ends of the installation seam extend to two end faces of the square pipe respectively, a plurality of positioning pins penetrate through the installation seam, one end, located in the square pipe, of each positioning pin is provided with a head to prevent the positioning pin from penetrating out of the square pipe, a pressing plate used for pressing the positioning pin is arranged inside the square pipe, a second side face, opposite to the first side face, of the square pipe is screwed with pressing screws used for pressing the pressing plate from outside to inside, connecting bolts penetrate through the two ends of the installation seam in a clearance mode, the heads of the connecting bolts are clamped in the square pipe, a clamping plate is arranged on the tail portions of the two connecting bolts in a penetrating mode.

Description

Steel bar positioning device
Technical Field
The utility model relates to a reinforced concrete construction technical field specifically is a reinforcing bar positioner.
Background
The concrete pouring structure is provided with more steel bars to form a reinforced concrete structure so as to improve the ductility, the earthquake resistance and other stress performances of the structure. In the construction process, for a cast-in-place structure, steel bars are often bound one by one on a site formwork platform, so that long time is needed, the length of a construction key line is prolonged, the time cost is increased, meanwhile, the steel bars are bound on the site formwork platform, the positioning accuracy of the steel bars is relatively reduced, and for the steel bars of a bridge tower column, the high-altitude operation is often performed, and the operation risk is also high.
At present, in order to promote transformation development of the building industry and improve construction level, factory production and standardization are pushed forward with great force, and a prefabricated assembling erection method in bridge section construction is a typical factory production and standardization application. However, the construction method has high requirements on hoisting equipment, joint treatment of the segment connecting parts is difficult, and durability is difficult to guarantee. Therefore, a compromise scheme for bridge segment construction is provided, namely a method for prefabricating a steel bar framework in a factory and casting concrete in situ, but the method has fewer application examples, and one of the difficulties in popularization and application is that the positioning accuracy of the steel bars is difficult to guarantee when the steel bars are processed and hoisted and butted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the difficult technical problem who guarantees of reinforcing bar positioning accuracy when current reinforcing bar processing and hoist and mount butt joint.
The utility model provides a technical scheme that its technical problem adopted is:
a steel bar positioning device comprises at least one group of steel bar positioning frame, the steel bar positioning frame comprises a square pipe, the square pipe is a tubular mechanism with a rectangular cross section and known by people in the art, the square pipe is provided with two end faces and four side faces, a first side face of the square pipe is provided with an installation seam arranged along the length direction of the square pipe, two ends of the installation seam respectively extend to the two end faces of the square pipe, namely the first side face is completely divided into an upper part and a lower part, a plurality of positioning pins penetrate through the installation seam, one ends of the positioning pins positioned in the square pipe are provided with heads to prevent the positioning pins from penetrating out of the square pipe, a pressing plate for pressing the positioning pins is arranged inside the square pipe, a second side face of the square pipe opposite to the first side face is screwed with pressing screws for pressing the pressing plate from outside to inside, connecting bolts penetrate through gaps at two ends of the installation seam, the heads of the connecting bolts are clamped in the square pipe, namely, the tail parts of the two connecting bolts are commonly provided with a clamping plate in a penetrating way, and the connecting bolts are provided with two locking nuts positioned at two sides of the clamping plate in a screwed way.
When in use, the method comprises the following steps: 1) placing a proper number of positioning pins into the mounting seam of the square pipe according to proper positions, and pushing the pressing plate through the compression screw to compress the head of each positioning pin on the inner wall of the first side surface of the square pipe; 2) placing two connecting bolts at two ends of the mounting seam, screwing a nut on the connecting bolt, penetrating the clamping plate into the connecting bolt, screwing another nut on the connecting bolt, and adjusting the position of the clamping plate through the two nuts; 3) and reinforcing steel bars penetrate through the space areas limited by the clamping plates, the square pipes and the two adjacent positioning pins, and the two nuts are adjusted to enable the clamping plates to clamp the reinforcing steel bars, so that the positioning is completed.
The utility model has the advantages that:
1) the utility model provides a steel bar positioning device, which can improve the positioning precision of the prefabrication processing of the steel bar framework and improve the quality of steel bar binding installation;
2) the reinforcing steel bar positioning device provided by the utility model can accelerate the popularization and application of the reinforcing steel bar engineering prefabrication method, greatly save the construction period, reduce the time cost and simultaneously reduce the high-altitude operation amount;
3) the utility model provides a steel bar positioning device, reasonable in design, processing preparation convenience, easy operation, range of application are wide.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the structure of the reinforcing steel bar positioning frame of the present invention;
fig. 2 is a schematic view of a usage state of the reinforcing steel bar positioning frame of the present invention;
fig. 3 is a schematic structural view of the reinforcing bar centering structure of the present invention;
fig. 4 is a schematic structural view of the semicircular petals of the present invention;
fig. 5 is the utility model discloses a cooperation in-use state schematic diagram of a plurality of steel bar locating rack and reinforcing bar centering structure.
In the figure:
1 ┄ square tube; 2 ┄ mounting slot; 3 ┄ locating pins; 4 ┄ platen; 5 ┄ compression screw; 6 ┄ connecting bolt; 7 ┄ clamping plate; 8 ┄ mounting holes; 9 ┄ a sleeve; 10 ┄ locating sleeve; 11 ┄ circular truncated cone wall; 12 ┄, a hinged shaft; 13 ┄ snap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1-2, the utility model discloses a steel bar positioning device, including at least a set of steel bar positioning frame, the steel bar positioning frame includes square pipe 1, the first side of square pipe 1 is seted up along its length direction arrangement installation seam 2, the both ends of installation seam 2 extend to two terminal surfaces of square pipe 1 respectively, a plurality of locating pins 3 have been worn to the clearance in installation seam 2, the one end that is located square pipe 1 of locating pin 3 is equipped with the head in order to prevent locating pin 3 from wearing out from square pipe 1, the head sets up to various shapes during the concrete implementation, as long as guarantee the size is greater than the size of installation seam 2, can realize preventing the purpose that locating pin 3 from wearing out from square pipe 1; the inside of square pipe 1 is equipped with clamp plate 4 that is used for compressing tightly locating pin 3, and square pipe 1's second side relative with the first side is twisted from the outside to the inside and is equipped with housing screw 5 that is used for compressing tightly clamp plate 4, and the both ends of installation seam 2 are all worn to put connecting bolt 6 in the clearance, and connecting bolt 6 head clamps in square pipe 1, and a clamp plate 7 is worn to be equipped with jointly by the afterbody of two connecting bolt 6, twists on connecting bolt 6 and is equipped with two lock nuts that are located clamp plate 7 both sides.
As a preferred structure of the pressing plate 4, the pressing plate 4 is a strip plate arranged along the length direction of the square pipe 1, and all the positioning pins 3 correspond to one pressing plate 4. The advantages of this structure are the following: firstly, the number of the required compression screws 5 is reduced, and all the positioning pins 3 can be compressed only by two or three compression screws 5; secondly, applicable to various reinforcing bar overall arrangement, after the position of locating pin 3 moved and changes, the position of housing screw 5 and clamp plate 4 was unchangeable also can compress tightly all locating pins 3. In other embodiments, one pressing plate 4 can be provided for each pair of positioning pins 3, and then one pressing plate 4 can be provided for each at least one compression screw 5, which also satisfies the basic use, but does not have the above-mentioned benefits of "first" and "second".
Furthermore, the steel bar positioning device comprises at least two groups of steel bar positioning frames, and the adjacent two groups of steel bar positioning frames are detachably connected. When the steel bars which are not plane are needed, the two steel bar positioning frames are detachably fixed together to form the needed shape, and a rectangular wall body is enclosed in the figure 3. Specifically, the third side and the fourth side of each square pipe 1 are provided with mounting holes 8 at both ends, the mounting holes 8 of the connecting end portions of the two reinforcing steel bar positioning frames are vertically aligned and provided with fasteners to complete connection, and the fasteners are bolts and the like.
Referring to fig. 3-4, further, the steel bar centering structure comprises a sleeve 9 and a positioning sleeve 10, the sleeve 9 is used for being sleeved on the top end of the steel bar at the lower part, the positioning sleeve 10 is a cylindrical structure formed by detachably assembling two semicircular petals, the inner diameter of the lower part of the positioning sleeve 10 is matched with the outer diameter of the sleeve 9, the inner wall of the upper part of the positioning sleeve 10 is a circular truncated cone wall 11 coaxial with the positioning sleeve, the inner diameter of the upper end of the circular truncated cone wall 11 is larger than the inner diameter of the lower end of the circular truncated cone wall 11, and the inner diameter of the lower end of the. The steel bar centering structure is used in cooperation with the steel bar positioning frame, as shown in fig. 5, the steel bar positioning frame is used for positioning a single steel bar, and the steel bar centering structure is used for rapidly butting an upper steel bar and a lower steel bar. Specifically, one position that two semicircle lamellas meet is articulated through articulated shaft 12, and another position is connected through buckle 13, and it is more convenient to use.
Referring to fig. 5, the following describes in detail the operation steps of the steel bar positioning frame and the steel bar centering structure when they are used together, so as to describe in detail the use method of the two:
1) placing a proper number of positioning pins 3 into the mounting seams 2 of the square tube 1 according to proper positions, and pushing the pressing plate 4 through the compression screws 5 to fix the positioning pins 3;
2) the clamping plate 7 is connected to the square pipe 1 through the connecting bolt 6;
3) connecting a plurality of steel bar positioning frames into an integral frame through fasteners;
4) fixing the upper and lower layers of steel bar positioning frames on the steel bar binding platform, binding steel bars, and adjusting the position of the clamping plate 7 through two locking nuts of the connecting bolt 6 after binding is finished so that the clamping plate 7 and the square pipe 1 tightly press the steel bars;
5) installing a sleeve 9 on the top of a poured section reserved steel bar, ensuring that the top surface of the sleeve 9 is flush with the top surface of the steel bar, and installing a positioning sleeve 10 on the sleeve 9 at a corresponding position;
6) hoisting a reinforcement cage, and accurately aligning and positioning the reinforcement cage with the reserved reinforcement;
7) screwing the sleeve 9 to a proper position, connecting the upper and lower reinforcing steel bars into a whole, and removing the positioning sleeve 10 and the two groups of reinforcing steel bar positioning frames at the connecting part;
8) installing stirrups, erection reinforcements and the like at the removed position of the steel bar positioning frame on site;
9) construction of segment concrete and the like, and subsequent processing of segment steel bars.
The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (6)

1. The utility model provides a reinforcing bar positioner which characterized in that: comprises at least one group of steel bar positioning frame, the steel bar positioning frame comprises a square pipe (1), a first side surface of the square pipe (1) is provided with a mounting seam (2) arranged along the length direction, two ends of the mounting seam (2) respectively extend to two end surfaces of the square pipe (1), a plurality of positioning pins (3) are arranged in the mounting seam (2) in a penetrating way, one ends of the positioning pins (3) positioned in the square pipe (1) are provided with heads to prevent the positioning pins (3) from penetrating out of the square pipe (1), a pressing plate (4) used for pressing the positioning pins (3) is arranged in the square pipe (1), a pressing screw (5) used for pressing the pressing plate (4) is screwed in the second side surface of the square pipe (1) opposite to the first side surface from outside to inside, connecting bolts (6) are arranged at two ends of the mounting seam (2) in a penetrating way in a clearance way, the heads of the connecting bolts (6) are clamped in the square pipe (1), the, two locking nuts positioned at two sides of the clamping plate (7) are screwed on the connecting bolt (6).
2. A rebar positioning device as set forth in claim 1, wherein: the press plate (4) is a batten arranged along the length direction of the square pipe (1), and all the positioning pins (3) correspond to one press plate (4).
3. A rebar positioning device as set forth in claim 2, wherein: the steel bar positioning device comprises at least two groups of steel bar positioning frames, and the adjacent two groups of steel bar positioning frames are detachably connected.
4. A rebar positioning device as set forth in claim 3, wherein: the third side of every side pipe (1) and the both ends of fourth side all are equipped with mounting hole (8), and the vertical alignment of mounting hole (8) of the connection end portion of two reinforcing bar locating racks that link to each other and configuration fastener accomplish to connect.
5. A rebar positioning device as claimed in any one of claims 1 to 4, wherein: still include reinforcing bar centering structure, reinforcing bar centering structure includes sleeve (9) and position sleeve (10), sleeve (9) are used for the suit on lower part reinforcing bar top, position sleeve (10) can dismantle the tubular structure of assembling for two semicircle lamellas, the lower part internal diameter of position sleeve (10) and the external diameter adaptation of sleeve (9), the upper portion inner wall of position sleeve (10) is rather than coaxial round platform wall (11), and the upper end internal diameter of round platform wall (11) is greater than the lower extreme internal diameter, the lower extreme internal diameter and the reinforcing bar diameter adaptation of round platform wall (11).
6. A rebar positioning device as set forth in claim 5, wherein: one part of the two semicircular petals which are connected is hinged through a hinged shaft (12), and the other part is connected through a buckle (13).
CN202021195918.3U 2020-06-24 2020-06-24 Steel bar positioning device Active CN212742226U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021195918.3U CN212742226U (en) 2020-06-24 2020-06-24 Steel bar positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021195918.3U CN212742226U (en) 2020-06-24 2020-06-24 Steel bar positioning device

Publications (1)

Publication Number Publication Date
CN212742226U true CN212742226U (en) 2021-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021195918.3U Active CN212742226U (en) 2020-06-24 2020-06-24 Steel bar positioning device

Country Status (1)

Country Link
CN (1) CN212742226U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112878589A (en) * 2021-04-08 2021-06-01 吴丽敏 Steel bar protection layer component for building construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112878589A (en) * 2021-04-08 2021-06-01 吴丽敏 Steel bar protection layer component for building construction

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