CN111456330A

CN111456330A - Positioning die for embedded steel bars

Info

Publication number: CN111456330A
Application number: CN202010338140.5A
Authority: CN
Inventors: 朱旭良; 孙辉; 朱鑫; 李伟; 张永超
Original assignee: First Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Current assignee: First Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-07-28
Anticipated expiration: 2040-04-26
Also published as: CN111456330B

Abstract

The invention provides a positioning die for pre-buried steel bars, which comprises a support frame and a steel bar clamp arranged on the support frame, wherein the steel bar clamp comprises a clamp fixing frame and clamping jaws symmetrically arranged on the clamp fixing frame, the clamping jaws are hinged on the clamp fixing frame, and a driving mechanism for pushing the clamping jaws to rotate around a hinged point of the clamping jaws and the clamp fixing frame is arranged on the support frame. The driving mechanism drives the clamping jaws to be tightened or loosened inwards, so that the steel bars are conveniently clamped and fixed, no gap exists between the steel bars and the positioning die, the steel bars cannot swing left and right, deviation of the fixed positions is avoided, and the positioning die is suitable for the steel bars with different sizes; the anchoring piece drives the push rod to rotate to drive the pushing seat to move up and down, so that the steel bars are clamped, the anchoring piece is fixed on the positioning plate to keep a stable state for fixing the embedded steel bars, the steel bars with different sizes can be conveniently fixed through manual operation, a mechanical device is not needed, and time and labor are saved, and the cost is low.

Description

Positioning die for embedded steel bars

Technical Field

The invention relates to the technical field of buildings, in particular to a positioning die for embedded steel bars.

Background

In recent years, the assembled building is more and more widely applied in China. The fabricated building is fabricated and prefabricated building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in a factory, transported to a building construction site, positioned and installed through special hoisting equipment, and fabricated and installed on the site in a reliable connection mode. The upper part and the lower part of a certain floor of the building are different in using function due to the plane, the upper part and the lower part of the floor adopt different structural types, and structural conversion is carried out through the floor, so the floor is called a conversion floor.

On traditional building structure also is the floor of cast-in-place concrete structure to assembled building structure conversion, need embedded steel bar on the conversion layer promptly, embedded steel bar lower extreme is fixed with cast-in-place concrete structure, and upper portion is connected with assembled building structure's prefabricated wall body, if embedded steel bar's position has the deviation then can't carry out effective connection with prefabricated wall body. In the process of embedding the steel bars, the fixation of the steel bars is an important step, and the existing embedded steel bars are fixed by welding or by adopting a simple die.

The existing fixing mode, whether welding or positioning mould, can not adjust the position of the reinforcing steel bar after fixing the reinforcing steel bar, once an error occurs, the reinforcing steel bar can not be effectively connected with the prefabricated wall, thus affecting the construction quality, and the existing positioning mould is of a fixed structure, the reinforcing steel bar is fixed by being inserted into the hole of the mould, a gap is formed between the hole and the reinforcing steel bar, the reinforcing steel bar can swing left and right, the stability is not enough, the verticality of the reinforcing steel bar can not be ensured, and the precision of the position of the reinforcing steel bar is affected; moreover, the existing die cannot adjust the left-right spacing of the reinforcing steel bars.

Disclosure of Invention

Aiming at the technical problem, the invention provides a positioning die for pre-buried steel bars, which is used for solving the problem that the fixed steel bars of the positioning die in the prior art are unstable.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a positioning die for embedded steel bar, includes the support frame and locates the bar clip on the support frame, bar clip includes anchor clamps mount and the clamping jaw that the symmetry set up on the anchor clamps mount, and the clamping jaw articulates on the anchor clamps mount, be equipped with on the support frame and be used for promoting the clamping jaw around the pin joint pivoted actuating mechanism of clamping jaw and anchor clamps mount.

Further, actuating mechanism is including locating the limit sleeve on the anchor clamps mount, be equipped with on the limit sleeve with limit sleeve sliding fit's last promotion seat, upward be equipped with vertical perforating hole in the promotion seat, it is equipped with the first upper groove of symmetry to go up promotion seat lower part, clamping jaw one end hold in first upper groove, the other end are the clamping part, actuating mechanism still including driving on promote the seat and slide so that clamping jaw pivoted jack-up subassembly, the jack-up subassembly is connected on the support frame.

Furthermore, the jacking assembly comprises a push rod connected to the support frame, symmetrical second upper grooves are formed in the upper portion of the upper pushing seat, one end of the push rod is contained in the second upper grooves, the other end of the push rod is connected with an anchoring piece, the anchoring piece is detachably connected with the support frame, and the middle of the push rod is hinged to the limiting sleeve.

Further, the steel bar fixture below still is equipped with lower floor's steel bar fixture, lower floor's steel bar fixture includes lower floor's anchor clamps mount and the lower floor's clamping jaw that the symmetry set up on lower floor's anchor clamps mount, and lower floor's clamping jaw articulates on lower floor's anchor clamps mount, it is connected with and is used for promoting lower floor's clamping jaw around the lower floor's clamping jaw and lower anchor clamps mount's pin joint pivoted lower push seat to promote a lower extreme, is equipped with vertical perforating hole in the lower push seat, be equipped with the symmetrical low groove on the lower push seat, lower floor's clamping jaw one end hold in the low.

Furthermore, the support frame includes square frame and locates the locating plate on the square frame, locating plate one end and square frame sliding connection, the other end and anchor clamps mount fixed connection.

Furthermore, an anchoring screw is arranged on the positioning plate, the anchoring piece is a ring sleeve sleeved on the anchoring screw, and a nut used for compressing the ring sleeve is arranged on the anchoring screw.

Furthermore, square frame, reinforcing bar anchor clamps, spacing sleeve and lower floor's reinforcing bar anchor clamps all establish to symmetrical detachable construction.

Furthermore, a plurality of height-adjusting supporting legs are arranged on the lower side of the square frame, and leveling bubbles are arranged on the square frame.

The invention has the beneficial effects that: according to the invention, the driving mechanism drives the plurality of clamping jaws to rotate, so that the clamping ends of the plurality of clamping jaws are inwards tightened or loosened, the steel bar can be clamped and fixed conveniently after being inserted into the steel bar clamp, on one hand, the steel bar and the positioning mould are gapless in the fixing mode, the steel bar can be stably fixed without swinging left and right, the deviation of the steel bar fixing position is avoided, the construction quality is improved, on the other hand, the positioning mould is suitable for the steel bars with different sizes, and the adaptability of the device is improved; the fixing mode can conveniently fix or loosen the steel bars with different sizes through manual operation, and is simple to operate, free of mechanical devices, time-saving, labor-saving and low in cost; through setting up height-adjusting landing leg and air level, avoid because the uneven error that causes the straightness and the pre-buried position of pre-buried reinforcing bar straightness that hangs down of ground.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view a-a of fig. 1.

Fig. 3 is a side view of fig. 2.

Fig. 4 is a schematic structural view of the steel bar clamp, the lower steel bar clamp and the upper and lower push seats of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1-4, a positioning die for embedded steel bars, include support frame 1 and locate reinforcing bar anchor clamps 2 on the support frame, reinforcing bar anchor clamps 2 include anchor clamps mount 21 and a plurality of clamping jaws 22 that the symmetry set up on anchor clamps mount 21, and a plurality of clamping jaws articulate on anchor clamps mount 21, be equipped with on the support frame 1 and be used for promoting a plurality of clamping jaws 22 around clamping jaw 22 and anchor clamps mount 21's pin joint pivoted actuating mechanism 3. The fixture fixing frame 21 is of a circular ring structure, the clamping jaws 22 are arranged on the inner side of the circular ring, the lower end parts of the clamping jaws 22 extend inwards and are oppositely arranged to facilitate clamping a reinforcing steel bar, a horizontal rotating shaft 23 is fixed on the inner side of the circular ring, the clamping jaws 22 are connected on the rotating shaft and can rotate around the rotating shaft 23 in the vertical direction, the upper ends of the clamping jaws 22 are driven by the driving mechanism 3 to swing up and down, the other ends of the clamping jaws 22 are tightened or loosened inwards, so that after embedded steel bars are inserted into the middle of the steel bar clamp 2, the clamping jaw 22 clamps and fixes the steel bar, on one hand, in the fixing mode, no gap exists between the steel bar and the positioning mould, the steel bar can be stably fixed without swinging left and right, the deviation of the fixed position of the steel bar is avoided, thereby influence construction quality, on the other hand for this positioning die is applicable to the reinforcing bar of equidimension not, has improved the device's adaptability.

Further, as shown in fig. 3, the driving mechanism 3 includes a limiting sleeve 31 disposed on the fixture fixing frame 21, an upper pushing seat 32 is slidably disposed on the limiting sleeve 31, a vertical through hole is disposed in the upper pushing seat 32, when the positioning mold is used, the embedded steel bars pass through the through hole, symmetrical first upper grooves are disposed on the lower portion of the upper pushing seat 32, the upper end of the clamping jaw 22 is accommodated in the first upper groove, the lower end of the clamping jaw is a clamping portion, the driving mechanism 3 further includes a jacking assembly 33 driving the upper pushing seat 32 to slide, and the jacking assembly 33 is connected to the supporting frame 1. Limiting sleeve 31 middle part is equipped with vertical cylinder hole, and it is equipped with annular spacing recess to promote seat 32 middle part on, promotes seat 32 on and passes the cylinder hole and the laminating cylinder downthehole wall can not remove about through spacing recess, and the height that highly is higher than the cylinder hole height of spacing recess promotes seat 32 on can slide again can not the roll-off for cylinder hole is from top to bottom. When the upper pushing seat 32 slides up and down, the upper pushing seat 32 drives one end of the clamping jaw 22 to swing up and down through the first upper groove, so that the clamping part of the clamping jaw 22 is used for clamping reinforcing steel bars, the clamping part of the clamping jaw 22 is provided with anti-skidding lines to be convenient for clamping and fixing embedded reinforcing steel bars, a gap is reserved between the first upper groove on the upper pushing seat 32 and the upper end part of the clamping jaw 22 accommodated in the first upper groove, and the upward and downward swinging of the upper end of the clamping jaw 22 is not hindered.

Further, as shown in fig. 3, the jacking assembly 33 includes a pushing rod 331 connected to the support frame 1, the upper portion of the upper pushing seat 32 is provided with a second upper groove, one end of the pushing rod 331 is accommodated in the second upper groove, the other end of the pushing rod 331 is connected to an anchor 332, the anchor 332 is detachably connected to the support frame 1, the middle portion of the pushing rod 331 is hinged to the limiting sleeve 31, in this embodiment, the pushing rod 331 is a V-shaped structure, and the vertex of the V-shaped structure is hinged to the limiting sleeve 31. The upper side and the lower side of one end, accommodated in the second upper groove, of the push rod 331 are provided with arc surfaces, so that the push rod 331 can swing up and down in the second upper groove to push the upper push seat 32, the push rod 331 is movably connected with the anchoring part 332, after the anchoring part 332 is tightly connected with the support frame 1, one end, connected with the anchoring part 332, of the push rod 331 is pressed downwards, the other end of the push rod 331 tilts upwards to jack the upper push seat 32 upwards, and therefore the lower end of the clamping jaw 22 is driven to clamp the steel bar.

Further, as shown in fig. 3, a lower-layer steel bar fixture 4 is further arranged below the steel bar fixture 2, the lower-layer steel bar fixture 4 comprises a lower-layer fixture fixing frame 41 and a plurality of lower-layer clamping jaws 42 symmetrically arranged on the lower-layer fixture fixing frame 41, the lower ends of the upper pushing seats 32 are connected with lower pushing seats 34 used for pushing the lower clamping jaws 42 to rotate around the hinged point of the lower clamping jaws 42 and the lower-layer fixture fixing frame 41, vertical through holes are also formed in the lower pushing seats 34, when the positioning die is used, embedded steel bars pass through the through holes, symmetrical lower grooves are formed in the lower pushing seats 34, the upper ends of the lower clamping jaws 42 are accommodated in the lower grooves, and the lower ends of the lower clamping portions are lower clamping portions. The lower-layer fixture fixing frame 41 is a circular ring structure, the circular ring structure and the circular ring structure of the fixture fixing frame 21 are coaxially arranged, the lower-layer clamping jaws 42 are all arranged on the inner side of the circular ring of the lower-layer fixture fixing frame 41, the end parts of the lower-layer clamping jaws 42 extend inwards and are oppositely arranged to facilitate clamping of reinforcing steel bars, a horizontal rotating shaft is fixed on the inner side of the circular ring, the lower-layer clamping jaws 42 are connected to the rotating shaft and can rotate around the rotating shaft in the vertical direction, the lower pushing seat 34 is fixed under the upper pushing seat 32, the upper pushing seat 32 is driven to move up and down through the driving mechanism 3, so that the upper ends of the lower-layer clamping jaws 42 are driven to swing up and down through the lower pushing seat 34, clamping parts at the lower ends of the lower-layer clamping jaws 42 are inwards tightened or loosened to facilitate inserting of embedded reinforcing steel bars in the middle of the lower-layer fixture fixing frame 41, the, the embedded steel bars are fixed vertically through the two layers of steel bar clamps, and the verticality of the steel bars is guaranteed.

Further, as shown in fig. 1, the supporting frame 1 includes a square frame 11 and a positioning plate 12 disposed on the square frame 11, wherein one end of the positioning plate 12 is slidably connected to the square frame 11, and the other end is fixedly connected to the fixture fixing frame 21. The length direction of locating plate 12 perpendicular to square frame 11 sets up on square frame 11, be equipped with the spout along length direction on square frame 11, the screw rod is worn to be equipped with at locating plate 12 both ends, and slide in the spout through the screw rod, thereby drive reinforcing bar anchor clamps 2 and lower floor's reinforcing bar anchor clamps 4 and remove, thereby control the displacement about the reinforcing bar, make this mould be applicable to the embedded bar of different intervals, the cover is equipped with the nut on the screw rod, when locating plate 12 slides the accurate position of embedded bar, screw up the fixed displacement that prevents locating plate 12 of nut. One side that lies in the spout on square frame 11 is equipped with along the size scale of spout, guarantees the pre-buried position of accurate positioning bar, with position error control in the within range as little as possible, improves construction quality. In addition, still be equipped with the locating plate spout of the above-mentioned spout of perpendicular to on the locating plate 12, this locating plate spout intersects with above-mentioned spout, and the screw rod also wears to establish in the locating plate spout, also can adjust the front and back position of locating plate 12 on square frame 11 through the locating plate spout to adjust the front and back position of embedded bar, further make this mould be applicable to the reinforcing bar of different pre-buried relative positions, and the both sides of locating plate spout also are equipped with the scale, the accurate front and back position of adjusting embedded bar of being convenient for.

Further, as shown in fig. 3, an anchoring screw 121 is disposed on the positioning plate 12, the anchoring element 332 is a ring sleeve sleeved on the anchoring screw 121, and the anchoring screw 121 is provided with an anchoring nut 122 for pressing the ring sleeve; one side of the ring sleeve is hinged with the end part of the push rod 331. The anchoring screw 121 is inserted into the positioning plate sliding groove and can slide in the positioning plate sliding groove, the push rod 331 is hinged to the ring sleeve through a connecting rod, two ends of the connecting rod are hinged to the push rod 331 and the ring sleeve respectively, the anchoring screw 121 is pulled towards the direction far away from the upper pushing seat 32, when the anchoring part 332 is tensioned, the anchoring nut 122 is screwed, and one end of the push rod 331, which is accommodated in the second upper groove, jacks the upper pushing seat 32 upwards.

Further, as shown in fig. 1, the square frame 11, the steel bar clamp 2, the limiting sleeve 31 and the lower steel bar clamp 4 are all designed to be symmetrical detachable structures. Specifically, the split line of square frame 11 sets up along the length direction of square frame 11, and the anchor clamps mount 21 of bar clamp 2 is two detachable semicircles, and spacing sleeve 31 also is the structure of taking apart for the symmetry, and lower floor's anchor clamps mount 41 of lower floor's bar clamp 4 also is two detachable semicircles, and anchor clamps mount 21 is parallel and be located same vertical plane with spacing sleeve 31 and lower floor's anchor clamps mount 41's split line. The detachable structure is provided with the ear plates with holes at the crossed connection parts, and the bolts penetrate through the ear plates and are screwed with the nuts to fasten the two symmetrically detachable parts. After the reinforcing steel bars are embedded and the concrete is beaten, the anchoring nuts on the anchoring pieces 332 can be loosened, the clamping jaws are loosened, and the nuts on the lug plates are unscrewed to conveniently detach the mold from the reinforcing steel bars, so that the positioning mold is conveniently recycled.

Further, as shown in fig. 1, a plurality of height-adjusting legs 13 are arranged on the lower side of the square frame 11, a level bubble 14 is arranged on the square frame 11, and the level bubble 14 comprises a front level bubble, a rear level bubble, a left level bubble and a right level bubble. Heightening supporting leg 13 comprises a supporting cylinder 131, rotate the landing leg screw 132 of connection on supporting cylinder 131, it supports in the upper end of supporting cylinder 131 to be equipped with the boss on the landing leg screw, 11 downside of square frame are fixed with landing leg nut 133, this landing leg nut and landing leg screw threaded connection, make the one end of square frame 11 go up and down and be convenient for adjust the holistic levelness of square frame 11 through rotating the landing leg screw, it has guaranteed 11 levelness of square frame to cooperate air level 14 simultaneously, thereby the straightness that hangs down of embedded bar has been guaranteed, be applicable to the condition of uneven ground, avoid uneven ground and cause the condition that the reinforcing bar straightness that hangs down to have the deviation to take place. After the reinforcing steel bars are embedded and concrete is poured, the square frame 11, the positioning plate 12 and all parts on the positioning plate 12 can be lifted upwards to be separated from the supporting cylinder 131, most parts of the die can be used in a turnover mode, and the utilization rate is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a positioning die for embedded steel bar, its characterized in that includes support frame (1) and locates reinforcing bar anchor clamps (2) on the support frame, reinforcing bar anchor clamps (2) include anchor clamps mount (21) and symmetry set up clamping jaw (22) on anchor clamps mount (21), and the clamping jaw articulates on anchor clamps mount (21), be equipped with on support frame (1) and be used for promoting clamping jaw (22) around clamping jaw (22) and anchor clamps mount (21) pin joint pivoted actuating mechanism (3).

2. The positioning die for embedded steel bars as claimed in claim 1, wherein the driving mechanism (3) comprises a limiting sleeve (31) arranged on the fixture fixing frame (21), an upper pushing seat (32) in sliding fit with the limiting sleeve (31) is arranged on the limiting sleeve (31), a vertical through hole is formed in the upper pushing seat (32), a symmetrical first upper groove is formed in the lower portion of the upper pushing seat (32), one end of the clamping jaw (22) is accommodated in the first upper groove, the other end of the clamping jaw is a clamping portion, the driving mechanism (3) further comprises a jacking assembly (33) which drives the upper pushing seat (32) to slide so as to enable the clamping jaw (22) to rotate, and the jacking assembly (33) is connected to the supporting frame (1).

3. The positioning mold for embedded steel bars as claimed in claim 2, wherein the jacking assembly (33) comprises a push rod (331) connected to the support frame (1), the upper portion of the upper pushing seat (32) is provided with a second symmetrical upper groove, one end of the push rod (331) is accommodated in the second upper groove, the other end of the push rod is connected to an anchor (332), the anchor (332) is detachably connected to the support frame (1), and the middle portion of the push rod (331) is hinged to the limiting sleeve (31).

4. The positioning die for embedded steel bars according to claim 2 or 3, wherein a lower-layer steel bar clamp (4) is further arranged below the steel bar clamp (2), the lower-layer steel bar clamp (4) comprises a lower-layer clamp fixing frame (41) and lower-layer clamping jaws (42) symmetrically arranged on the lower-layer clamp fixing frame (41), the lower-layer clamping jaws (42) are hinged to the lower-layer clamp fixing frame (41), the lower end of the upper pushing seat (32) is connected with a lower pushing seat (34) used for pushing the lower-layer clamping jaws (42) to rotate around a hinged point of the lower-layer clamping jaws (42) and the lower-layer clamp fixing frame (41), vertical through holes are formed in the lower pushing seat (34), symmetrical lower grooves are formed in the lower pushing seat (34), one end of each lower-layer clamping jaw (42) is accommodated in the corresponding lower groove, and the other end of each lower.

5. The positioning die for embedded steel bars as claimed in claim 4, wherein the supporting frame (1) comprises a square frame (11) and a positioning plate (12) arranged on the square frame (11), one end of the positioning plate (12) is slidably connected with the square frame (11), and the other end of the positioning plate is fixedly connected with the fixture fixing frame (21).

6. The positioning die for embedded steel bars as claimed in claim 5, wherein the positioning plate (12) is provided with an anchoring screw (121), the anchoring member (332) is a ring sleeve sleeved on the anchoring screw (121), and the anchoring screw (121) is provided with a nut (122) for compressing the ring sleeve.

7. The positioning mold for embedded steel bars as claimed in claim 6, wherein the square frame (11), the steel bar clamp (2), the limiting sleeve (31) and the lower steel bar clamp (4) are all designed to be symmetrical detachable structures.

8. The positioning die for embedded steel bars as claimed in claim 7, wherein a plurality of height-adjusting legs (13) are arranged on the lower side of the square frame (11), and a leveling bubble (14) is arranged on the square frame (11).