Positioning jig frame applied to bridge anti-collision guardrail steel bar binding
By designing a positioning tire frame for the binding of bridge anti-collision guardrail steel bars, the problem of inaccurate installation spacing between bridge guardrail steel bars is solved, and more efficient construction and better quality guardrail installation results are achieved.
Patent Information
- Application Number
- CN202422221512.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-11
AI Technical Summary
In the prior art, during the pre-embedding installation of bridge guardrail steel bars, there is a problem of inaccurate embedding spacing, which affects the overall quality of bridge anti-collision guardrails.
A positioning tire frame used for the binding of bridge anti-collision guardrail steel bars is designed, including a support gantry, a height-limiting horizontal rod and a spacing positioning rod. Through the setting and adjustment of these components, the accurate positioning and installation of the steel bars are achieved.
It effectively improves construction efficiency, ensures the spacing of guardrail steel bars and the thickness of protective layer, reduces construction costs, and significantly improves the overall quality of bridge collision-proof guardrails.
Smart Images

Figure CN223047928U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge engineering, and more specifically, to a positioning jig for steel bar binding of a bridge anti-collision guardrail. Background Art
[0002] With the rapid development of the social economy, the bridge industry has also flourished in recent years. In order to prevent out-of-control vehicles from going out of the bridge, the bridge anti-collision guardrail, which can also beautify the bridge structure, has received increasing attention in the transportation industry. The construction quality of the bridge anti-collision guardrail will directly affect the driving safety and the overall appearance of the entire bridge.
[0003] However, in the prior art during the embedded installation process of bridge guardrail steel bars, it is generally directly installed by manual operation. Therefore, there are situations such as inaccurate embedded spacing of bridge guardrail steel bars and perfunctory construction by workers, resulting in often unqualified control of steel bar spacing and protective layer, affecting the overall quality of the bridge anti-collision guardrail. Summary of the Utility Model
[0004] Therefore, the utility model provides a positioning jig for steel bar binding of a bridge anti-collision guardrail to solve the technical problem that in the prior art during the embedded installation process of bridge guardrail steel bars, the inaccurate embedded spacing of bridge guardrail steel bars affects the overall quality of the bridge anti-collision guardrail.
[0005] To achieve the above object, the utility model provides the following technical solutions:
[0006] A positioning jig for steel bar binding of a bridge anti-collision guardrail, comprising:
[0007] Two groups of support gantries are arranged at intervals, and the height of each group of support gantries is adjustable;
[0008] A horizontal limiting rod, with both ends respectively and correspondingly fixed to the two groups of support gantries, and is used as an equal-height control benchmark for a number of groups of embedded steel bars through the horizontal limiting rod;
[0009] A spacing positioning rod, with both ends respectively and correspondingly fixed to the two groups of support gantries, and a number of equally spaced scale lines are marked along the rod direction of the spacing positioning rod.
[0010] Based on the above technical solutions, the following further description is made for the utility model:
[0011] As a further scheme of the utility model,
[0012] The support gantry includes a gantry main body and a height-adjusting screw base;
[0013] The base part of the height-adjusting screw base is fixedly connected to the bottom of the gantry main body, and the screw height-adjusting part of the height-adjusting screw base can support on the ground for height adjustment.
[0014] As a further solution of the present utility model,
[0015] The spacing positioning rod includes a first spacing positioning rod and a second spacing positioning rod;
[0016] The first spacing positioning rod and the second spacing positioning rod are respectively fixedly assembled between one side parts of two groups of the gantry main bodies, and a plurality of scale lines at equal intervals are marked along the rod direction of both the first spacing positioning rod and the second spacing positioning rod.
[0017] As a further solution of the present utility model,
[0018] The equal interval between a plurality of the scale lines is set to be 15 cm.
[0019] As a further solution of the present utility model,
[0020] Both the first spacing positioning rod and the second spacing positioning rod are arranged in parallel with the limit horizontal rod.
[0021] As a further solution of the present utility model,
[0022] The first spacing positioning rod is correspondingly located at a position 10 cm below the limit horizontal rod;
[0023] The second spacing positioning rod is correspondingly located at a position 80 cm below the limit horizontal rod.
[0024] As a further solution of the present utility model, it further includes:
[0025] A horizontal measuring ruler, fixedly assembled at the top of the limit horizontal rod.
[0026] As a further solution of the present utility model,
[0027] The gantry main body is set as a rectangular gantry with a height of 115 cm and a width of 40 cm.
[0028] As a further solution of the present utility model,
[0029] The limit horizontal rod is set as a rod frame body with a length of 4 m.
[0030] The present utility model has the following beneficial effects:
[0031] 1. This positioning jig can effectively improve the construction efficiency, ensure the spacing of guardrail steel bars and the thickness of the protective layer, and reduce the construction cost.
[0032] 2. The positioning fixture can be reused, is easy to process, and is economical and practical. Brief Description of the Drawings
[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. The structures, ratios, sizes, etc. illustrated in this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present invention.
[0034] Figure 1 It is an overall axonometric structural schematic diagram of the positioning fixture applied to the steel bar binding of the bridge anti-collision guardrail provided by the embodiment of the present invention.
[0035] In the drawings, the list of components represented by each reference numeral is as follows:
[0036] Support gantry 1: Gantry main body 11, height-adjusting screw base 12;
[0037] Limit horizontal bar 2; Horizontal measuring scale 3; First spacing positioning bar 4; Second spacing positioning bar 5;
[0038] Embedded steel bar a. Detailed Embodiment
[0039] The following specific embodiments illustrate the embodiments of the present invention. Those skilled in this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.
[0040] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of clear description and are not used to limit the scope in which the present invention can be implemented. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope in which the present invention can be implemented.
[0041] Such as Figure 1As shown in the figure, the embodiment of the present utility model provides a positioning jig for steel bar binding of a bridge anti-collision guardrail, which includes a support gantry 1, a height-limiting horizontal bar 2, a horizontal measuring ruler 3, a first spacing positioning bar 4 and a second spacing positioning bar 5. The overall structure is simple, easy to install, economical and practical, significantly improving the construction quality and efficiency of the anti-collision guardrail and enhancing the overall functional practicality. The specific settings are as follows:
[0042] Please refer to Figure 1 , two groups of the support gantries 1 are arranged in parallel at intervals. Each group of the support gantries 1 includes a gantry main body 11 and a height-adjusting screw seat 12; wherein, the gantry main body 11 is a rectangular gantry with a height of 115 cm and a width of 40 cm formed by welding 40*60 mm square tubes; the base part of the height-adjusting screw seat 12 is fixedly connected to the bottom position of the gantry main body 11, and the screw height-adjusting part of the height-adjusting screw seat 12 can support on the ground; so as to use the two gantry main bodies 11 as the two-side support bases of the positioning jig, and at the same time, the support heights of the two gantry main bodies 11 can be respectively adjusted by using the height-adjusting screw seats 12.
[0043] The height-limiting horizontal bar 2 is a rod body with a length of 4 m formed by welding 40*60 mm square tubes, and both ends of the height-limiting horizontal bar 2 are respectively welded and fixed to the top positions of the two gantry main bodies 11 in a one-to-one correspondence, so that the height-limiting horizontal bar 2 can be adjusted synchronously based on the support heights of the two gantry main bodies 11, and by using the height-limiting horizontal bar 2 as the equal-height control benchmark for the top parts of several groups of embedded steel bars a, the concrete cover can be further optimized and controlled by using several groups of embedded steel bars a with equal height.
[0044] The horizontal measuring ruler 3 is fixedly assembled on the top position of the height-limiting horizontal bar 2, so as to effectively assist in detecting the overall levelness of the height-limiting horizontal bar 2 after height adjustment through the horizontal measuring ruler 3.
[0045] The first spacing positioning bar 4 and the second spacing positioning bar 5 are respectively fixedly assembled between one side parts of the two gantry main bodies 11, and both the first spacing positioning bar 4 and the second spacing positioning bar 5 are arranged in parallel with the height-limiting horizontal bar 2. The first spacing positioning bar 4 is correspondingly located 10 cm below the height-limiting horizontal bar 2, and the second spacing positioning bar 5 is correspondingly located 80 cm below the height-limiting horizontal bar 2. Both the first spacing positioning bar 4 and the second spacing positioning bar 5 are marked with a number of scale lines at intervals of 15 cm along their rod directions, so as to use the first spacing positioning bar 4 and the second spacing positioning bar 5 in cooperation to compare and determine the installation positions of the embedded steel bars a, thereby significantly improving the spacing accuracy during the installation of the embedded steel bars a and ensuring the overall quality of the bridge anti-collision guardrail.
[0046] Although the present utility model has been described in detail with general descriptions and specific embodiments above, modifications or improvements can be made to it on the basis of the present utility model, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present utility model all fall within the scope of protection required by the present utility model.
Claims
1. A positioning cradle used for tying steel bars of bridge anti-collision guardrails, characterized in that: include: Support masts, two groups of which are arranged at intervals, and the height of each group of support masts is adjustable; The height-limiting horizontal rod has two ends fixedly connected to the two groups of support portal frames in a one-to-one correspondence, and is used as a height control benchmark for several groups of embedded steel bars through the height-limiting horizontal rod; The spacing positioning rod has two end portions which are fixedly connected to the two groups of supporting door frames in a one-to-one correspondence, and the spacing positioning rod is marked with a plurality of equally spaced scale lines along the rod direction.
2. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 1 is characterized in that: The supporting gantry includes a gantry body and a height-adjusting screw seat; The base portion of the height-adjusting screw seat is fixedly arranged at the bottom position of the gantry body, and the screw height-adjusting portion of the height-adjusting screw seat can be supported on the ground for height adjustment.
3. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 2 is characterized in that: The spacing positioning rod comprises a first spacing positioning rod and a second spacing positioning rod; The first spacing positioning rod and the second spacing positioning rod are respectively fixedly mounted between one side portions of the two groups of the door frame bodies, and the first spacing positioning rod and the second spacing positioning rod are both provided with a plurality of equally spaced scale lines along their rod alignment marks.
4. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 3 is characterized in that: The intervals between the scale lines are set to be 15 cm.
5. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 3 is characterized in that: The first spacing positioning rod and the second spacing positioning rod are both arranged parallel to the height-limiting horizontal rod.
6. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 5 is characterized in that: The first spacing positioning rod is correspondingly located 10 cm below the height-limiting horizontal rod; The second spacing positioning rod is correspondingly located 80 cm below the height-limiting horizontal rod.
7. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 1 is characterized in that: Also includes: A horizontal ruler is fixedly mounted on the top of the height-limiting horizontal rod.
8. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 1 is characterized in that: The main body of the door frame is set as a rectangular door frame with a height of 115cm and a width of 40cm.
9. The positioning tire frame used for tying steel bars of bridge anti-collision guardrail according to claim 1 is characterized in that: The height-limiting horizontal rod is configured as a rod frame body having a length of 4 m.