Prefabricated box girder bottom plate top layer steel bar positioning device
By designing a combined device of rebar positioning rods, end support frames, and middle support frames, the problem of inaccurate positioning of the top longitudinal rebar of the precast box girder bottom slab was solved, achieving efficient rebar binding construction and making it suitable for accurate positioning of the top longitudinal rebar of the box girder bottom slab.
Patent Information
- Application Number
- CN202423096866.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The longitudinal reinforcement bars at the top layer of the precast box girder bottom slab cannot be accurately positioned during the binding process, which affects construction efficiency and makes it difficult to hoist the whole structure.
Design a positioning device that includes a rebar positioning rod, end support frame and middle support frame. Utilize height adjustment bolts and angle steel materials to achieve precise positioning and convenient disassembly of the rebar positioning rod. It is suitable for positioning and binding of the longitudinal rebar at the top layer of the box girder bottom slab.
It achieves precise positioning of the top layer reinforcement of the precast box girder bottom slab, improving construction efficiency and positioning accuracy. It is applicable to the positioning and binding construction of top layer reinforcement of various slabs, especially to the positioning and binding of longitudinal reinforcement of the top layer of box girder bottom slab.
Smart Images
Figure CN223589720U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to box girder reinforcement positioning support technical field, concretely relates to a prefabricated box girder bottom plate top layer reinforcement positioning device. BACKGROUND
[0002] The prefabricated box girder reinforcement binding is the most artificial process of the whole prefabricated box girder, and the prefabricated box girder reinforcement binding is mostly carried out on the reinforcement binding mould. In the actual binding process, the reinforcement framework after the completion of reinforcement binding can only be hoisted out integrally from the top of the mould, so the positioning support cannot be used between the upper and lower layers of the bottom plate reinforcement, and the full length of the longitudinal horizontal reinforcement of the top layer of the bottom plate can reach about 30m, and the spacing can only be manually adjusted, which influences the reinforcement binding efficiency and cannot achieve accurate positioning. Therefore, it is very necessary to study a device capable of positioning the longitudinal reinforcement of the top layer of the bottom plate of the prefabricated box girder and not affecting the integral hoisting of the reinforcement framework. SUMMARY
[0003] To solve the problem of accurate positioning of the longitudinal reinforcement of the top layer of the bottom plate of the prefabricated box girder, the utility model provides a prefabricated box girder bottom plate top layer reinforcement positioning device.
[0004] The technical scheme adopted by the utility model is: a prefabricated box girder bottom plate top layer reinforcement positioning device, which comprises a reinforcement positioning rod, an end side support frame and a middle support frame, a reinforcement positioning groove is arranged on the upper side of the reinforcement positioning rod corresponding to the longitudinal reinforcement of the top layer of the bottom plate of the box girder, connecting grooves are arranged on the upper sides of the two ends of the reinforcement positioning rod, the end side support frame is arranged at the two ends of the reinforcement positioning rod and comprises a first support vertical rod, a first support horizontal rod arranged at the lower end of the first support vertical rod and used for supporting the ground, a first mounting rod arranged at the middle of the first support vertical rod and a limiting rod arranged at the upper end of the first support vertical rod, a limiting groove is arranged on the lower side of the limiting rod corresponding to the connecting groove, the connecting groove and the limiting groove are connected in a plug-in mode, the middle support frame is arranged at the middle of the reinforcement positioning rod and comprises a second support vertical rod, a second support horizontal rod arranged at the lower end of the second support vertical rod and used for supporting the ground and a second mounting rod arranged at the upper end of the second support vertical rod, and the first mounting rod and the second mounting rod are both provided with telescopic support rods used for supporting the reinforcement positioning rod.
[0005] Further, the telescopic support rod is a height adjusting bolt, and the height adjusting bolt is threadedly connected to the first mounting rod and the second mounting rod.
[0006] Further, the height adjusting bolt is coated with lubricating material.
[0007] Further, the lubricating material is butter.
[0008] Further, all the components of the positioning device are made of angle steel.
[0009] Compared with the prior art, the utility model has the advantages of:
[0010] The device has simple structure, reasonable design, convenient height adjustment and fast disassembly, solves the problem that the top layer steel bars of the bottom plate of the prefabricated box girder cannot be precisely positioned by using the positioning device, realizes precise positioning of the top layer steel bars of the bottom plate of the prefabricated box girder, has a wide application prospect, and is suitable for positioning and binding construction of top layer steel bars of various plates, and is especially suitable for positioning and binding construction of top layer longitudinal steel bars of the bottom plate of the box girder. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a front view of the use state of the utility model;
[0012] Figure 2 It is a front view of the use state of the utility model; Figure 1 It is a partial enlarged view of the middle part support frame;
[0013] Figure 3 It is a side view of the middle part support frame of the utility model;
[0014] Figure 4 It is a front view of the disassembly state of the utility model;
[0015] Figure 5 It is a front view of the disassembly state of the utility model; Figure 4 It is a partial enlarged view of the end side support frame;
[0016] Figure 6 It is a side view of the end side support frame of the utility model.
[0017] In the figure: 1, steel bar positioning rod; 11, steel bar positioning groove; 12, connecting clamping groove; 2, end side support frame; 21, first support vertical rod; 22, first support horizontal rod; 23, first mounting rod; 24, limiting rod; 241, limiting clamping groove; 3, middle part support frame; 31, second support vertical rod; 32, second support horizontal rod; 33, second mounting rod; 4, height adjustment bolt; 5, top layer longitudinal steel bar of the bottom plate of the box girder. DETAILED DESCRIPTION
[0018] In order to better understand the purpose, structure and function of the utility model, the prefabricated box girder bottom plate top layer steel bar positioning device of the utility model is further described in detail below in combination with the drawings.
[0019] As Figures 1-6As shown, a prefabricated box girder bottom plate top layer steel bar positioning device, including steel bar positioning rod 1, steel bar positioning rod 1 upper side corresponding box girder bottom plate top layer longitudinal steel bar 5 is equipped with steel bar positioning groove 11, steel bar positioning rod 1 both ends upper side is equipped with connecting clamping groove 12, two end side support frames 2 are symmetrically arranged on both ends of steel bar positioning rod 1, a middle support frame 3 is arranged in the middle of steel bar positioning rod 1, end side support frame 2 includes first support vertical rod 21, first support horizontal rod 22 arranged at the lower end of first support vertical rod 21 for supporting the ground, first mounting rod 23 arranged in the middle of first support vertical rod 21 and limiting rod 24 arranged at the upper end of first support vertical rod 21, limiting rod 24 lower side corresponding connecting clamping groove 12 is equipped with limiting clamping groove 241, connecting clamping groove 12 and limiting clamping groove 241 are insertedly connected, middle support frame 3 includes second support vertical rod 31, second support horizontal rod 32 arranged at the lower end of second support vertical rod 31 for supporting the ground and second mounting rod 33 arranged at the upper end of second support vertical rod 31, first mounting rod 23 and second mounting rod 33 are both equipped with telescopic support rod for supporting steel bar positioning rod 1.
[0020] In the embodiment, each component of the positioning device is made of angle steel, the first support horizontal rod 22, the first mounting rod 23 and the limiting rod 24 are arranged on the same side of the first support vertical rod 21, the second support horizontal rod 32 and the second mounting rod 33 are arranged on the same side of the second support vertical rod 31, the telescopic support rod is a height adjusting bolt 4, the height adjusting bolt 4 is threadedly connected to the first mounting rod 23 and the second mounting rod 33, and butter is applied on the height adjusting bolt 4 to increase lubrication. The bottom of the steel bar positioning rod 1 is in contact with the top of the height adjusting bolt 4 of the end side support frame 2 to achieve height adjustment, the steel bar positioning rod 1 is fixedly connected to the end side support frames 2 at both ends through the clamping grooves after reaching the working height, the bottom of the steel bar positioning rod 1 is in contact with the top of the height adjusting bolt 4 of the middle support frame 3 to achieve bottom support, and the steel bar positioning rod 1 reaches the working state. The steel bar positioning rod 1 is provided with the steel bar positioning groove 11, and the box girder bottom plate top layer longitudinal steel bar 5 can be positioned and bound in the steel bar positioning groove 11 after the steel bar positioning rod 1 reaches the working state.
[0021] In use, the height adjusting bolt 4 of the end side support frame 2 at both ends is rotated to make the steel bar positioning rod 1 reach the working height, the steel bar positioning rod 1 is fixedly connected to the end side support frames 2 at both ends through the connecting clamping groove 12 after reaching the working height, the height adjusting bolt 4 of the middle support frame 3 in the middle is rotated to achieve bottom support of the steel bar positioning rod 1, and the steel bar positioning rod 1 reaches the working state, and the box girder bottom plate top layer longitudinal steel bar 5 can be positioned and bound in the steel bar positioning groove 11 at this time.
[0022] After the construction of the top layer longitudinal steel bars 5 of the box girder bottom plate is completed, the height adjustment bolts 4 of the end side support frame 2 and the middle support frame 3 are adjusted downward, the steel bar positioning rod 1 is separated from the limiting clamping groove 241 of the end side support frame 2, the steel bar positioning groove 11 is separated from the top layer longitudinal steel bars 5 of the box girder bottom plate, and the steel bar positioning rod 1 reaches the dismounting condition and is pulled out from one side of the steel bar framework.
[0023] The working principle of the utility model is as follows: the steel bar positioning rod 1 is adjusted in height through the height adjustment bolts 4 arranged on the end side support frame 2, and the steel bar positioning rod 1 is further switched between the working state and the dismounting state through the height adjustment. After the steel bar positioning rod 1 reaches the working height, the steel bar positioning rod 1 is connected and fixed with the end side support frame 2 through the connecting clamping groove 12, and the steel bar positioning rod 1 is supported at the bottom through the height adjustment bolts 4 arranged on the middle support frame 3 after reaching the working height, and the steel bar positioning rod 1 is positioned and bound in the steel bar positioning groove 11 after entering the working state. After the steel bar positioning rod 1 is lowered to the dismounting height, the steel bar positioning rod 1 is separated from the limiting clamping groove 241 of the end side support frame 2, the steel bar positioning groove 11 is separated from the top layer longitudinal steel bars 5 of the box girder bottom plate in the groove, and the steel bar positioning rod 1 can be pulled out from one side after being lowered to the dismounting height.
[0024] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to the features and embodiments without departing from the spirit and scope of the utility model. In addition, the features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the utility model without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.
Claims
1. A prefabricated box girder bottom plate top layer steel bar positioning device, characterized in that, The utility model relates to a box girder reinforcing steel bar positioning device, including reinforcing steel bar positioning rod (1), end side support frame (2) and middle support frame (3), reinforcing steel bar positioning rod (1) upper side corresponding box girder bottom plate top layer longitudinal reinforcing steel bar (5) is equipped with reinforcing steel bar positioning groove (11), reinforcing steel bar positioning rod (1) both ends upper side is equipped with connecting clamping groove (12), end side support frame (2) sets up reinforcing steel bar positioning rod (1) both ends, including first support vertical pole (21), first support horizontal pole (22) for being used for supporting ground of setting up in first support vertical pole (21) lower end, first mounting rod (23) of setting in first support vertical pole (21) middle part and the limiting rod (24) of setting in first support vertical pole (21) upper end, limiting rod (24) lower side corresponding connecting clamping groove (12) is equipped with limiting clamping groove (241), and connecting clamping groove (12) and limiting clamping groove (241) plug-in connection, middle support frame (3) sets up reinforcing steel bar positioning rod (1) middle part, including second support vertical pole (31), second support horizontal pole (32) for being used for supporting ground of setting up in second support vertical pole (31) lower end and second mounting rod (33) of setting in second support vertical pole (31) upper end, and the second mounting rod (33) is set up for the telescopic support rod of supporting reinforcing steel bar positioning rod (1) on first mounting rod (23) and.
2. The prefabricated box girder bottom slab top layer steel bar positioning device according to claim 1, characterized in that, Telescopic support rod is height adjusting bolt (4), and height adjusting bolt (4) is screwed on first mounting rod (23) and second mounting rod (33).
3. The prefabricated box girder bottom slab top layer steel bar positioning device according to claim 2, characterized in that, Height adjusting bolt (4) smears lubricating material.
4. The prefabricated box girder bottom slab top layer steel bar positioning device according to claim 3, characterized in that, Lubricating material is butter.
5. The prefabricated box girder bottom plate top layer steel bar positioning device according to any one of claims 1-4, characterized in that, The components of the positioning device are made of angle steel.