CN210316624U - Precast beam bracing structure - Google Patents
Precast beam bracing structure Download PDFInfo
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- CN210316624U CN210316624U CN201920637716.0U CN201920637716U CN210316624U CN 210316624 U CN210316624 U CN 210316624U CN 201920637716 U CN201920637716 U CN 201920637716U CN 210316624 U CN210316624 U CN 210316624U
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- bracing structure
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Abstract
The utility model discloses a precast beam bracing structure, including vaulting pole and two L type connecting pieces, L type connecting piece includes vertical curb plate and roof, all be provided with the bar hole on vertical curb plate and the roof, vaulting pole length adjustable itself, the both ends accessible bolt fixed connection of vaulting pole is located the bar on the roof downthehole. The bracing structure replaces vertical braces, avoids occupying the bottom space of precast beam, and then makes things convenient for the construction. Meanwhile, beams in two directions are connected together by utilizing an inclined strut structure to form a stable triangle. On one hand, horizontal restraint is added on the beam side, so that the beam is prevented from overturning under the action of horizontal load; on the other hand, adjacent beams are tied together to form a stable whole, so that the integral stability of the whole horizontal beam member is improved; all the beams form a temporary whole, and under the action of construction disturbance, the beam mounting positions are not easy to shift, so that the construction safety is improved.
Description
Technical Field
The utility model relates to an assembly type structure field, in particular to precast beam bracing structure.
Background
During the installation of the fabricated beam structure, workers must stand on the beam. At the moment, the beam is simply and independently placed on the top edge of the column and the supporting frame, and the precast beam is easy to topple and collapse due to the action of working load (particularly when force is applied in the horizontal direction), so that safety quality accidents occur.
When the prefabricated concrete structure is constructed, in order to avoid the precast beam from overturning and collapsing, the prior art generally adopts a vertical supporting mode to support the precast beam. Therefore, the technical problems of not spacious construction operation and inconvenient operation of operators and equipment can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a precast beam bracing structure to solve the problem that proposes among the above-mentioned background art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a precast beam bracing structure, includes vaulting pole and two L type connecting pieces, L type connecting piece includes vertical curb plate and roof, all be provided with the bar hole on vertical curb plate and the roof, vaulting pole itself length adjustable, the both ends accessible bolt fixed connection of vaulting pole is located the bar on the roof downthehole.
As an improvement of the scheme, the two L-shaped connecting pieces are respectively and fixedly arranged on the side surfaces of the two adjacent precast beams.
As an improvement of the scheme, the precast beam is provided with pre-buried bolt holes, and the vertical side plate of the L-shaped connecting piece is fixedly connected to the precast beam through bolts.
As an improvement of the scheme, the embedded bolt holes are located in the upper portion of the side face of the precast beam.
As an improvement of the scheme, the two side surfaces of the vertical side plates are provided with sawtooth grooves.
As an improvement of the scheme, the upper end part of the bolt for fixing the vertical side plate penetrates through the first base plate, and the first base plate is tightly pressed on the sawtooth groove of the vertical side plate after the bolt is screwed down.
As an improvement of the scheme, the upper surface of the top plate is provided with a sawtooth groove, the upper end part of a bolt for fixing the end part of the support rod penetrates through a second base plate, and the second base plate and the sawtooth groove on the top plate clamp the end part of the support rod together after the bolt is screwed down.
As an improvement of the scheme, stiffening ribs are arranged between the vertical side plates and the top plate, the stiffening ribs are triangular and are two in number, and the two stiffening ribs are respectively welded and fixed on the edges of the two sides of the vertical side plates and the edges of the two sides of the top plate.
As an improvement of the above scheme, the stay bar includes circular steel tube, connecting screw and handle, the both ends of circular steel tube are provided with respectively shells the rib screw thread, and the rotation direction of the rib screw thread of shelling at both ends is reverse, and connecting screw's quantity is two, and connecting screw's first end is provided with the screw thread that matches with shell the rib screw thread, and the first end suit is respectively in the both ends of circular steel tube to two connecting screw's first end, connecting screw's second end is located the roof through bolt fixed connection, the fixed periphery that sets up at circular steel tube of handle.
As an improvement of the scheme, the second end of the connecting screw rod forms a connector with a flat structure, and a through hole for a bolt to pass through is formed in the connector.
Has the advantages that: the bracing structure replaces vertical braces, avoids occupying the bottom space of precast beam, and then makes things convenient for the construction. Meanwhile, beams in two directions are connected together by utilizing an inclined strut structure to form a stable triangle. On one hand, horizontal restraint is added on the beam side, so that the beam is prevented from overturning under the action of horizontal load; on the other hand, adjacent beams are tied together to form a stable whole, so that the integral stability of the whole horizontal beam member is improved; all the beams form a temporary whole, and under the action of construction disturbance, the beam mounting positions are not easy to shift, so that the construction safety is improved.
The L type connecting piece is installed in the side back of precast beam, because all be provided with the bar hole on the roof of two L type connecting pieces, before fastening vaulting pole tip, the both ends of vaulting pole are allowed to realize the level fine setting of less distance in the bar hole, and simultaneously, the vaulting pole wholly can also make the swing in less angle to reach the equal nimble fixed connection in vaulting pole both ends on the roof. By adopting the L-shaped connecting piece, the requirement on the precision of the length adjustment of the stay bar is not high in the process of fixing the stay bar, so that the convenience of installing the stay bar is greatly increased, the installation time is saved, and the operation difficulty of installation is reduced.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a stay fixedly mounted on an L-shaped connecting member;
FIG. 2 is a schematic view of the assembly of an L-shaped connector with a backing plate;
FIG. 3 is a schematic view of the overall structure of the stay bar;
fig. 4 is an overall schematic view of the precast beam diagonal bracing structure installed at both sides of adjacent precast beams.
Detailed Description
Referring to fig. 1 to 4, the embodiment of the present invention provides a precast beam bracing structure, including vaulting pole 40 and two L type connecting pieces 10, two L type connecting pieces 10 are fixed mounting respectively on the side of adjacent precast beam, and the both ends fixed connection of vaulting pole 40 is on L type connecting piece 10, and then makes adjacent precast beam form a whole, has increased holistic stability.
The bracing structure replaces vertical braces, avoids occupying the bottom space of precast beam, and then makes things convenient for the construction. Meanwhile, beams in two directions are connected together by utilizing an inclined strut structure to form a stable triangle. On one hand, horizontal restraint is added on the beam side, so that the beam is prevented from overturning under the action of horizontal load; on the other hand, adjacent beams are tied together to form a stable whole, so that the integral stability of the whole horizontal beam member is improved; all the beams form a temporary whole, and under the action of construction disturbance, the beam mounting positions are not easy to shift, so that the construction safety is improved.
Specifically, the L-shaped connecting member 10 includes vertical side plates 101 and a top plate 102, and the vertical side plates 101 and the top plate 102 are welded at ends to form a right angle. All be provided with bar hole 105 on vertical curb plate 101 and the roof 102, vaulting pole 40 length adjustable itself, the both ends accessible bolt fixed connection of vaulting pole 40 is located the bar hole 105 on roof 102.
Be provided with pre-buried bolt hole on the precast beam, the vertical curb plate 101 of L type connecting piece 10 passes through bolt fixed connection on precast beam. Meanwhile, the vertical position of the L-shaped connecting member 10 can be adjusted by the strip-shaped hole 105 on the vertical side plate 101. The pre-buried bolt hole is located the upper portion of precast beam side, and vaulting pole 40 provides the pulling force or the holding power that act on precast beam upper half for whole possess better mechanical stability.
After the L-shaped connecting pieces 10 are installed on the side faces of the precast beams, because the top plates 102 of the two L-shaped connecting pieces 10 are provided with the strip-shaped holes 105, before the end portions of the supporting rods 40 are fastened, the two ends of the supporting rods 40 are allowed to achieve horizontal fine adjustment of a small distance in the strip-shaped holes 105, and meanwhile, the supporting rods 40 can integrally swing within a small angle to achieve flexible fixed connection of the two ends of the supporting rods 40 on the top plates 102. By adopting the L-shaped connecting piece 10, in the process of fixing the stay bar 40, the requirement on the precision of the length adjustment of the stay bar 40 is not high, so that the convenience of installing the stay bar 40 is greatly increased, the installation time is saved, and the operation difficulty of installation is reduced.
Preferably, the vertical side plate 101 is provided with sawtooth grooves 104 on both side surfaces thereof. The upper end of the bolt for fixing the vertical side plate 101 is provided with a first base plate 20 in a penetrating way, and after the bolt is tightened, the first base plate 20 is tightly pressed on the sawtooth groove 104 of the vertical side plate 101. The sawtooth groove 104 is convenient for increasing the friction force between the L-shaped connecting piece 10 and the side surface of the precast beam on one hand, and ensures that the L-shaped connecting piece 10 is stably installed; on the other hand, the first backing plate 20 is tightly pressed on the serrated groove 104 of the vertical side plate 101, so that the bolt cannot easily move in the strip-shaped hole 105 of the vertical side plate 101.
Meanwhile, the upper surface of the top plate 102 is provided with the sawtooth groove 104, the upper end of the bolt for fixing the end of the stay bar 40 penetrates through the second base plate 30, and the second base plate 30 and the sawtooth groove 104 on the top plate 102 clamp the end of the stay bar 40 together after the bolt is tightened, so that the friction force for fixing and clamping the end of the stay bar 40 is enhanced.
Preferably, a stiffener 103 is disposed between the vertical side plate 101 and the top plate 102, the stiffener 103 is triangular and has two pieces, and the two pieces of stiffener 103 are welded and fixed to two side edges of the vertical side plate 101 and the top plate 102, respectively, so as to enhance the overall strength of the L-shaped connecting member 10.
Specifically, the stay bar 40 includes a round steel tube 41, two connecting screw rods 42 and a handle 43, the two ends of the round steel tube 41 are respectively provided with a rib stripping thread, the rotation directions of the rib stripping threads at the two ends are opposite, the number of the connecting screw rods 42 is two, the first end of the connecting screw rod 42 is provided with a thread matched with the rib stripping thread, the first ends of the two connecting screw rods 42 are respectively sleeved at the two ends of the round steel tube 41, and the handle 43 is fixedly arranged on the periphery of the round steel tube 41. When the pipe steel pipe is rotated by the handle 43, the two connecting screw rods 42 move in opposite directions or move away from each other, so that the length of the stay bar 40 is adjusted.
The second end of the connecting screw 42 is fixedly attached to the top plate 102 by a bolt. Preferably, the second end of the connecting screw rod 42 forms a connecting head 421 with a flat structure, and a through hole for passing a bolt is arranged on the connecting head 421. The second pad 30 and the serrated groove 104 on the top plate 102 are clamped on the connector 421 of the flat structure, so that the stability and reliability of installation are improved.
In this embodiment, the vertical side plate 101, the top plate 102, the stiffener 103, the first pad plate 20, and the second pad plate 30 are all steel plates.
Adopt the utility model discloses during two adjacent precast beams of structural connection, because the fine setting of horizontal distance can be realized at the both ends of vaulting pole 40, and fixed mounting can also rotate the fine setting before on L type connecting piece 10, installation and flexibility, convenient construction.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (10)
1. The utility model provides a precast beam bracing structure which characterized in that: including vaulting pole and two L type connecting pieces, L type connecting piece includes vertical curb plate and roof, all be provided with the bar hole on vertical curb plate and the roof, the length adjustable of vaulting pole itself, the both ends accessible bolt fixed connection of vaulting pole is located the bar hole on the roof.
2. The precast beam bracing structure according to claim 1, wherein: and the two L-shaped connecting pieces are respectively and fixedly arranged on the side surfaces of the two adjacent precast beams.
3. The precast beam bracing structure according to claim 2, wherein: the prefabricated beam is provided with pre-buried bolt holes, and the vertical side plate of the L-shaped connecting piece is fixedly connected to the prefabricated beam through bolts.
4. The precast beam bracing structure according to claim 3, wherein: the pre-buried bolt holes are located in the upper portion of the side face of the precast beam.
5. The precast beam bracing structure according to claim 3, wherein: and sawtooth grooves are formed in the two side faces of the vertical side plates.
6. The precast beam bracing structure according to claim 5, wherein: the upper end of the bolt for fixing the vertical side plate penetrates through the first base plate, and the first base plate is tightly pressed on the sawtooth groove of the vertical side plate after the bolt is screwed down.
7. The precast beam bracing structure according to claim 1, wherein: the upper surface of the top plate is provided with a sawtooth groove, the upper end part of a bolt for fixing the end part of the support rod penetrates through a second base plate, and the second base plate and the sawtooth groove on the top plate clamp the end part of the support rod together after the bolt is screwed down.
8. The precast beam bracing structure according to claim 1, wherein: be provided with the stiffening rib between vertical curb plate and the roof, the stiffening rib is triangle-shaped and quantity is two, and two stiffening ribs welded fastening are respectively at the both sides edge of vertical curb plate and roof.
9. The precast beam bracing structure according to claim 1, wherein: the vaulting pole includes circular steel tube, connecting screw and handle, the both ends of circular steel tube are provided with respectively shells the rib screw thread, and the rotation direction of the rib screw thread of shelling at both ends is reverse, and connecting screw's quantity is two, and connecting screw's first end is provided with the screw thread that matches with shelling the rib screw thread, and the first end of two connecting screw suit respectively in the both ends of circular steel tube, connecting screw's second end is located the roof through bolt fixed connection, the fixed periphery that sets up at circular steel tube of handle.
10. The precast beam bracing structure according to claim 9, wherein: the second end of the connecting screw rod forms a connector of a flat structure, and a through hole for a bolt to pass through is formed in the connector.
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CN201920637716.0U CN210316624U (en) | 2019-05-06 | 2019-05-06 | Precast beam bracing structure |
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CN201920637716.0U CN210316624U (en) | 2019-05-06 | 2019-05-06 | Precast beam bracing structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114687514A (en) * | 2020-12-28 | 2022-07-01 | 江苏耀德科技发展有限公司 | Fastener for steel structure connection |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114687514A (en) * | 2020-12-28 | 2022-07-01 | 江苏耀德科技发展有限公司 | Fastener for steel structure connection |
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