Reinforcing steel bar mounting and positioning component for highway concrete anti-collision guardrail

Abstract

The utility model discloses a highway concrete anti-collision guardrail reinforcing steel bar installing and positioning component which comprises a support, the support supports a reinforcing steel bar positioning structure, the reinforcing steel bar positioning structure comprises a long-strip-shaped reinforcing steel bar top limiting piece and a long-strip-shaped reinforcing steel bar lateral limiting piece, and the reinforcing steel bar top limiting piece and the reinforcing steel bar lateral limiting piece are both arranged in the longitudinal direction of a bridge. A plurality of reinforcing steel bar clamping grooves are uniformly formed in the reinforcing steel bar top limiting piece and / or the reinforcing steel bar lateral limiting piece at intervals in the length direction; according to the component, the height of each reinforcing steel bar is limited through the reinforcing steel bar top limiting piece, the lateral position of each reinforcing steel bar is limited through the reinforcing steel bar lateral limiting piece, the distance between the reinforcing steel bars is limited through the reinforcing steel bar clamping grooves, reinforcing steel bar positioning is achieved, and by adopting the component, the installation precision is effectively improved, the construction error is reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of highway concrete anti-collision guardrail construction, and particularly relates to a steel bar installation and positioning member for highway concrete anti-collision guardrails. Background Technique

[0002] For highway concrete anti-collision guardrail steel bars, stringing construction is usually adopted. The height, lateral position and spacing of each steel bar are subjectively controlled by manual labor. During construction, the overall stringing accuracy of the steel bars is easily affected by individual steel bars with large installation deviations. If not corrected in time, it is easy to cause large construction installation deviations and fail to meet the acceptance standards, and such construction efficiency is relatively low. Content of the Utility Model

[0003] In view of this, the purpose of the utility model is to provide a steel bar installation and positioning member for highway concrete anti-collision guardrails, so as to solve the technical problems that for highway concrete anti-collision guardrail steel bars, stringing construction is usually adopted, and the height, lateral position and spacing of each steel bar are not easy to control and the construction efficiency is low.

[0004] The purpose of the utility model is realized through the following technical solutions:

[0005] A steel bar installation and positioning member for highway concrete anti-collision guardrails, which comprises a bracket, and a steel bar positioning structure is supported on the bracket. The steel bar positioning structure includes a strip-shaped steel bar top limiting member and a steel bar lateral limiting member. Both the steel bar top limiting member and the steel bar lateral limiting member are arranged along the longitudinal direction of the bridge, and a plurality of steel bar clamping grooves are uniformly arranged at intervals along the length direction on the steel bar top limiting member and / or the steel bar lateral limiting member.

[0006] Further, the steel bar top limiting member is a vertical plate, and the steel bar lateral limiting member is a flat plate. The vertical plate and the flat plate are connected through a connecting structure.

[0007] Further, the side of the steel bar positioning structure facing away from the steel bar is connected to the bracket through at least two connecting members. The connecting members include a movable member and a fixed member. One end of the movable member is connected to the steel bar positioning structure. The top surface of the movable member is inclined downward with the steel bar positioning structure as the reference. One end of the fixed member is connected to the bracket. The middle part of the movable member is connected to the other end of the fixed member through a pin shaft. A limiting structure is arranged above the fixed member on the bracket, and a jackscrew for jacking the top surface of the free end of the movable member is threadedly connected to the limiting structure.

[0008] Further, a strip-shaped transverse adjustment groove arranged along the transverse direction of the bridge is arranged on the movable member. The pin shaft is located in the transverse adjustment groove, and the pin shaft is a bolt.

[0009] Furthermore, the bracket includes at least two support columns, and the at least two support columns correspond to at least two connectors one by one. The fixing member and the limiting structure are arranged on the support columns.

[0010] Furthermore, a gusset plate is vertically connected to the lower side of the side of the limiting structure away from the support column, and a tightening screw is threadedly connected to the gusset plate.

[0011] Furthermore, the connection structure includes a horizontal plate and a vertical plate, and the upper end of the vertical plate is connected to the horizontal plate.

[0012] Furthermore, a curve adjusting screw is threadedly provided above the flat plate at the lower edge of the vertical plate. One end of the curve adjusting screw facing the steel bar is rotatably connected to an adapter, and one end of the adapter facing the steel bar is connected to an elastic curve adjusting rod, and the curve adjusting rod is arranged along the longitudinal direction of the bridge.

[0013] Furthermore, the vertical plate is provided with two long strip-shaped longitudinal adjusting grooves arranged along the longitudinal direction of the bridge corresponding to the connectors. One end of the movable member facing the vertical plate is provided with a connecting plate, and the connecting plate is provided with through holes. The connecting plate is fixed to the vertical plate by bolts passing through the through holes and the longitudinal adjusting grooves.

[0014] The beneficial effects of the present utility model are as follows:

[0015] The present utility model is a positioning member for installing highway concrete anti-collision guardrail steel bars. The height of each steel bar is restricted by the steel bar top limiting member, the lateral position of each steel bar is restricted by the steel bar lateral limiting member, and the spacing of each steel bar is restricted by a plurality of steel bar chucks, so as to realize the positioning of the steel bars. Using this member effectively improves the installation accuracy, reduces the construction error, and improves the construction efficiency.

[0016] After positioning each steel bar and welding each steel bar, rotate the top screw relative to the limiting structure, the top screw moves downward, and the steel bar positioning structure turns up relative to the pin shaft to realize the removal of the steel bar positioning structure, and the removal is convenient.

[0017] Before positioning each steel bar, loosen the bolt between the movable member and the fixing member, rotate the top screw relative to the limiting structure, the top screw moves up and down to realize the height adjustment of the steel bar positioning structure. After adjusting in place, move the movable member horizontally. After adjusting in place, lock the bolt to realize the height and lateral position adjustment of the steel bar positioning structure.

[0018] By setting the tightening screw, the connection strength between the movable member and the support column is increased.

[0019] By rotating the curve adjusting screw relative to the vertical plate, the curve adjusting rod is bent to have a certain curvature, and then the steel bar leaning on it forms a certain curvature to better adapt to the highway alignment.

[0020] Loosen the bolts between the connecting plate and the vertical plate, move the vertical plate longitudinally relative to the bolts, and after the movement is in place, lock the bolts to achieve the longitudinal adjustment of the steel bar positioning structure.

[0021] Other advantages, objectives and features of the present utility model will be described to some extent in the subsequent specification, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the following specification. Brief Description of the Drawings

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the drawings, where:

[0023] Figure 1 is the first perspective three-dimensional view of the present utility model.

[0024] Figure 2 is the second perspective three-dimensional view of the present utility model.

[0025] Figure 3 is the third perspective three-dimensional view of the present utility model.

[0026] Figure 4 is the front view of the present utility model.

[0027] Figure 5 is the left view of the present utility model.

[0028] Figure 6 is the right view of the present utility model.

[0029] Figure 7 is Figure 6 the connection cross-sectional view of the curve adjustment screw, nut, adapter and curve adjustment steel bar on the vertical plate.

[0030] Figure 8 is a partial schematic diagram when the curve adjustment steel bar 15 is adjusted to a convex shape.

[0031] Figure 9 is a partial schematic diagram when the curve adjustment steel bar 15 is adjusted to a concave shape.

[0032] In the figure: support column 1, fixing piece 2, ear plate 3, nut 4, setscrew 5, tightening screw 6, horizontal plate 7, vertical plate 8, steel bar lateral limiting piece 9, steel bar 10, steel bar top limiting piece 11, steel bar card slot 12, curve adjustment screw 13, adapter 14, curve adjustment steel bar 15, movable piece 1, connecting plate 17, longitudinal adjustment groove 18, transverse adjustment groove 19, pin 20. Detailed Description of the Embodiment

[0033] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, rather than for limiting the protection scope of the present invention.

[0034] like Figures 1-9 As shown, a steel bar installation and positioning component for a highway concrete anti-collision guardrail comprises a bracket, which comprises three supporting columns 1. A fixing piece 2 is provided on the front side of the supporting column 1 (the front side is the side of the guardrail facing the highway, and the rear side shown below is the side of the guardrail facing away from the highway). The fixing piece 2 is a trapezoidal vertical plate. The large end of the trapezoidal vertical plate is fixed on the supporting column 1. A limiting structure is provided above the fixing piece on the supporting column 1. The limiting structure is an extension plate formed by extending leftward from the top surface of the supporting column 1. An ear plate 3 is vertically connected to the lower side of the extension plate away from the supporting column 1. A through hole is provided on the extension plate. A nut 4 corresponding to the through hole is provided on the top surface of the extension plate. A top screw 5 is threadedly connected to the nut. A through hole is provided on the ear plate 3. A nut corresponding to the through hole is provided on the side of the ear plate 3 away from the supporting column 1. A tightening screw 6 is threadedly connected to the nut on the ear plate 3.

[0035] It also includes a steel bar positioning structure, which includes a connecting structure, which includes a horizontal plate 7 and a vertical plate 8. The horizontal plate 7 and the vertical plate 8 are both arranged along the longitudinal direction of the bridge. The top of the vertical plate 8 is connected to the horizontal plate 7, and the bottom of the vertical plate 8 is connected to a steel bar lateral limiter 9. The steel bar lateral limiter 9 is a flat plate, which is arranged along the longitudinal direction of the bridge. The rear side of the flat plate is connected to the vertical plate 8, and the front side of the flat plate limits the lateral displacement of the steel bar 10. The front side of the horizontal plate is connected to a steel bar top limiter 11, and the steel bar top limiter 11 is a longitudinal vertical plate, which is arranged along the longitudinal direction of the bridge. The top surface of the longitudinal vertical plate is connected to the horizontal plate, and the lower side of the longitudinal vertical plate is evenly spaced along its length direction. A plurality of steel bar slots 12 are provided, and the steel bar slots 12 limit the spacing and top position of each steel bar 10, such as Figure 7 As shown, a through hole is provided on the vertical plate 8 near the flat plate, a nut corresponding to the through hole is provided on the vertical plate 8, a curve adjusting screw 13 is threadedly connected to the nut on the vertical plate 8, a adapter 14 is connected to the front end of the curve adjusting screw 13, the adapter 14 is a threaded cylinder, the front end of the curve adjusting screw 13 is threadedly connected to the threaded cylinder, the front end of the threaded cylinder is vertically connected to an elastic curve adjusting steel bar 15 (in a normal state, the front side of the curve adjusting steel bar 15 is flush with the front side of the flat plate, and the rear side of the threaded cylinder rests on the vertical plate 8), the curve adjusting steel bar 15 is arranged along the longitudinal direction of the bridge, and the shape of the curve adjusting steel bar 15 can be adjusted by rotating the curve adjusting screw 13 relative to the vertical plate 8, such as a concave shape (such as Figure 9 as shown) or convex (as Figure 8As shown in the figure), to adapt to highways with different line types, three movable parts 16 are connected to the rear side of the vertical plate 8. The three movable parts 16 correspond to the three fixed parts 2 one by one. The movable part 16 is a horizontal vertical plate. A connecting plate 17 is vertically connected to the front end of the horizontal vertical plate. Through holes are respectively provided at the upper and lower ends of the connecting plate 17. Long strip-shaped longitudinal adjustment grooves 18 are respectively provided on the vertical plate 8 corresponding to the two through holes of the connecting plate 17. The longitudinal adjustment grooves 18 are arranged along the longitudinal direction of the bridge. The connecting plate 17 is connected to the vertical plate 8 by two bolts respectively passing through the two through holes on the connecting plate 17 and the two longitudinal adjustment grooves 18 on the vertical plate 8, so as to realize the longitudinal adjustment of the vertical plate 8. The top surface of the horizontal vertical plate slopes downward with the vertical plate 8 as the reference. The horizontal vertical plate extends into the space formed by the support column 1, the extension plate and the ear plate 3. The lower end of the setscrew 5 on the extension plate abuts against the top surface of the horizontal vertical plate. The tightening screw 6 on the ear plate 3 abuts against the side surface of the horizontal vertical plate. A long strip-shaped transverse adjustment groove 19 is provided on the horizontal vertical plate. The long strip-shaped transverse adjustment groove 19 is arranged along the transverse direction of the bridge. A through hole is provided at the small end of the trapezoidal vertical plate. The trapezoidal vertical plate and the through hole of the horizontal vertical plate are connected by bolts passing through the through hole and the transverse adjustment groove 19. Loosen the tightening screw 6 on the ear plate 3, loosen the connecting bolts between the trapezoidal vertical plate and the horizontal vertical plate, and rotate the setscrew 5 relative to the extension plate, so that the steel bar positioning structure can rotate relative to the screw rod of the bolt, and further realize the height adjustment of the steel bar top limiting part 11 of the steel bar positioning structure. The horizontal vertical plate can realize transverse adjustment through the cooperation of the transverse adjustment groove 19 on it and the screw rod of the bolt. After the steel bar 10 is positioned and welded by using the utility model, loosen the tightening screw 6 on the ear plate 3, loosen the connecting bolts between the trapezoidal vertical plate and the horizontal vertical plate, and rotate the setscrew 5 relative to the extension plate to make the setscrew 5 move downward, forming a lever structure to realize the automatic separation of the steel bar positioning structure from the steel bar.

[0036] The bracket is welded on the highway bridge mold and enters the next cycle of construction together with the bridge mold after the construction is completed.

[0037] When the utility model is in use, first loosen the fastening screw 6 on the ear plate 3 and the connecting bolt between the trapezoidal vertical plate and the horizontal vertical plate. Then rotate the adjusting screw 5 relative to the extension plate to adjust the height of the vertical plate in the longitudinal direction of the steel bar positioning structure. After it is appropriate, adjust the horizontal vertical plate back and forth relative to the screw rod of the bolt to realize the horizontal adjustment of the flat plate on the steel bar positioning structure. After it is appropriate, tighten the fastening screw 6 on the ear plate 3 and the connecting bolt between the trapezoidal vertical plate and the horizontal vertical plate. Then loosen the connecting bolt between the connecting plate and the vertical plate, and move the vertical plate left and right relative to the screw rod of the bolt. After it is appropriate, tighten the connecting bolt between the connecting plate and the vertical plate to complete the adjustment. Then the steel bars 10 can be placed. When placing the steel bars 10, ensure that the middle of the top of each steel bar 10 enters each steel bar slot 18 respectively until it touches the top of the steel bar slot 18, and ensure that the rear side (the side without curves) of each steel bar 10 leans against the flat plate. After the steel bars 10 are placed on the utility model and welded, loosen the fastening screw 5 on the ear plate 3 and the connecting bolt between the trapezoidal vertical plate and the horizontal vertical plate. Then rotate the adjusting screw 5 relative to the extension plate to make the adjusting screw 5 move downward. The steel bar positioning structure rotates relative to the bolt on the trapezoidal vertical plate and turns upward to separate from the steel bars.

[0038] When the road alignment is a curve, such as a concave section, rotate the curve adjusting screws 13 on both sides of the concave relative to the vertical plate 8 to make the front end move forward. At this time, the rear side of the steel bar 10 leans against the curve adjusting steel bar 15, so that the curve formed by the rear sides of the steel bars 10 reaches the required concave shape. For example, in a convex section, rotate the curve adjusting screw 13 in the middle of the convex relative to the vertical plate 5 to make the front end move forward. At this time, the rear side of the steel bar 10 leans against the curve adjusting steel bar 15, so that the curve formed by the rear side of the steel bar reaches the required convex shape.

[0039] Using the utility model can effectively improve the installation accuracy, reduce the construction error and improve the construction efficiency.

[0040] The support can be a steel frame in addition to supporting the column 1; the steel bar top limiting member 11 can be an inclined plate in addition to the longitudinal vertical plate, and the steel bar side limiting member 9 can be an inclined plate in addition to the flat plate; the connection structure between the longitudinal vertical plate and the flat plate can be a C-shaped structure cut from a square tube with matching parameters in addition to the L-shaped structure composed of the vertical plate 8 and the horizontal plate 7; the movable member 16 can be a cross bar in addition to the horizontal vertical plate, and the fixed member 2 can be a cross bar in addition to the trapezoidal vertical plate; the horizontal vertical plate and the trapezoidal vertical plate can be connected by a pin shaft 20 in addition to being connected by a bolt. At this time, there is no horizontal adjustment groove 19 on the horizontal vertical plate, and the horizontal adjustment of the steel bar positioning structure cannot be realized; the limiting structure can be a limiting rod in addition to the extension plate; the curve adjusting screw 13 and the threaded barrel can be connected by a bearing in addition to being threadedly connected. The curve adjusting steel bar 15 can be replaced by an elastic curve adjusting rod made of other materials, and the support can also be fixed on the ground by anchor bolts.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the present technical solution, and all of them should be covered within the scope of the claims of the present invention.

Claims

1. A positioning component for installing steel bars of a highway concrete anti-collision guardrail, characterized in that: It includes a bracket, and the bracket supports a steel bar positioning structure. The steel bar positioning structure includes a strip-shaped steel bar top limiting member (11) and a steel bar side limiting member (9). The steel bar top limiting member (11) and the steel bar side limiting member (9) are both arranged along the longitudinal direction of the bridge. A plurality of steel bar card slots (12) are evenly spaced along the length direction on the steel bar top limiting member (11) and / or the steel bar side limiting member (9).

2. The steel bar installation and positioning component for the highway concrete anti-collision guardrail according to claim 1, characterized in that: The steel bar top limiting member (11) is a longitudinal vertical plate, and the steel bar side limiting member (9) is a flat plate. The longitudinal vertical plate and the flat plate are connected by a connecting structure.

3. The steel bar installation and positioning component for the highway concrete anti-collision guardrail according to claim 2, characterized in that: One side of the steel bar positioning structure facing away from the steel bars is connected to the bracket through at least two connecting members. The connecting members include a movable member (16) and a fixed member (2). One end of the movable member (16) is connected to the steel bar positioning structure. The top surface of the movable member (16) is inclined downward with the steel bar positioning structure as a reference. One end of the fixed member (2) is connected to the bracket. The middle part of the movable member (16) is connected to the other end of the fixed member (2) through a pin shaft (20). A limiting structure is provided above the fixed member (2) on the bracket, and a jackscrew (5) for jacking the top surface of the free end of the movable member (16) is threadedly connected to the limiting structure.

4. The steel bar installation and positioning member for the highway concrete anti-collision guardrail according to claim 3, characterized in that: A strip-shaped transverse adjustment slot (19) arranged along the transverse direction of the bridge is provided on the movable member (16), and the pin shaft is located in the transverse adjustment slot (19). The pin shaft (20) is a bolt.

5. The steel bar installation and positioning component for highway concrete crash barriers according to claim 3, characterized in that: The bracket includes at least two support columns (1), and at least two support columns (1) correspond to at least two connecting members one by one. The fixed member (2) and the limiting structure are arranged on the support column (1).

6. The steel bar installation and positioning member for the highway concrete anti-collision guardrail according to claim 5, characterized in that: An ear plate (3) is vertically connected to the lower side of the side of the limiting structure away from the support column (1), and a tightening screw (6) is threadedly connected to the ear plate (3).

7. The steel bar installation and positioning component for highway concrete anti-collision guardrail according to any one of claims 3-6, characterized in that: The connecting structure includes a horizontal plate (7) and a vertical plate (8), and the upper end of the vertical plate (8) is connected to the horizontal plate (7).

8. The steel bar installation and positioning member for highway concrete anti-collision guardrail according to claim 7, wherein: A curve adjustment screw (13) is threadedly provided above the flat plate at the lower edge of the vertical plate (8). One end of the curve adjustment screw (13) facing the steel bars is rotatably connected to an adapter (14), and one end of the adapter (14) facing the steel bars is connected to an elastic curve adjustment rod. The curve adjustment rod is arranged along the longitudinal direction of the bridge.

9. The steel bar installation and positioning component for the highway concrete crash barrier according to claim 7, characterized in that: Two strip-shaped longitudinal adjustment slots (18) arranged along the longitudinal direction of the bridge are provided on the vertical plate (8) corresponding to the connecting member. One end of the movable member (16) facing the vertical plate (8) is provided with a connecting plate (17). Through holes are provided on the connecting plate (17). The connecting plate (17) is fixed to the vertical plate (8) through bolts passing through the through holes and the longitudinal adjustment slots (18).

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