Concrete reinforcement protection layer control device for bridge and culvert construction
By designing a concrete reinforcement protective layer control device for bridge and culvert construction, the problem of insufficient control over the reinforcement protective layer thickness was solved by using a handheld lever and precise structural adjustments. This achieved precise control of the protective layer and ease of construction, while improving the durability and mechanical properties of the structure.
Patent Information
- Application Number
- CN202423073681.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-03-29
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The lack of effective measures to control the concrete reinforcement protective layer in existing bridge and culvert construction results in insufficient or excessive thickness, affecting the mechanical properties and durability of the structure.
A concrete reinforcement protective layer control device for bridge and culvert construction was designed, including a hand-held rod, a handle, a limiting structure, an adjustment structure, and a fixing structure, which precisely controls the thickness of the reinforcement protective layer through scale lines and sleeve components.
It enables accurate control of the thickness of the concrete cover for steel bars, reduces unnecessary troubles, improves the convenience and precision of construction, and ensures the durability and mechanical properties of the structure.
Smart Images

Figure CN223593667U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of building construction, concretely is the concrete reinforcement cover control device of bridge and culvert construction. BACKGROUND
[0002] Reinforced concrete is a composite material combined with two different materials of steel bar and concrete, and the concrete structure has strong compressive strength, but the tensile strength of concrete is low, compared with concrete, the tensile strength of steel bar is very high, generally above 200MPa, so the steel bar bears the tensile force, and the concrete bears the compressive stress part, and the combination of the two makes the performance of reinforced concrete play respective advantages, and forms an efficient composite material. In this composite material, the accurate position of the steel bar in the concrete needs to be accurately grasped to ensure the mechanical properties of the reinforced concrete, to ensure the adhesion of the steel bar and the concrete, and to ensure the durability of the whole structure.
[0003] The current concrete steel bar cover of bridge and culvert construction often ignores the control of the cover, and as a concrete pouring surface, there is no good measure to effectively control, often resulting in insufficient or exceeding the required thickness of the concrete steel bar cover, therefore, in order to solve this problem, it is very necessary to design a concrete steel bar cover control device for bridge and culvert construction. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies of the prior art, the utility model provides a concrete steel bar cover control device for bridge and culvert construction, which solves the technical problem that the current concrete steel bar cover of bridge and culvert construction often ignores the control of the cover, and as a concrete pouring surface, there is no good measure to effectively control.
[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: the concrete steel bar cover control device for bridge and culvert construction comprises:
[0006] A hand-held rod;
[0007] A handle structure is installed on the hand-held rod, and the handle structure is used for holding;
[0008] A first limiting structure is installed on the hand-held rod, and the first limiting structure is used for limiting;
[0009] An adjusting structure is installed on the hand-held rod, and the adjusting structure is used for adjusting;
[0010] The adjusting structure comprises a scale part and a sleeve part;
[0011] The scale part is installed on the hand-held rod, and the sleeve part is installed on the hand-held rod;
[0012] The scale part comprises a scale line;
[0013] The scale line is installed on the front surface of the handheld rod;
[0014] The sleeve part comprises a sleeve;
[0015] The sleeve is sleeved on the handheld rod;
[0016] A fixing structure is installed on the adjusting structure, and the fixing structure is used for fixing;
[0017] The fixing structure comprises a fixing pad, a threaded rod, and a rotating handle;
[0018] The sleeve is provided with a threaded hole, the threaded rod is installed at the threaded hole, the fixing pad is installed on the threaded rod and located in the sleeve, and the rotating handle is installed on the threaded rod and located outside the sleeve;
[0019] A second limiting structure is installed on the adjusting structure, and the second limiting structure is used for limiting;
[0020] The second limiting structure comprises an annular limiting plate;
[0021] The annular limiting plate is installed on the lower end of the side surface of the sleeve.
[0022] Preferably, the grip structure comprises a holding part and a horizontal part;
[0023] The holding part is installed on the handheld rod, and the horizontal part is installed on the holding part.
[0024] Preferably, the holding part comprises a handheld grip;
[0025] The handheld grip is installed on the upper surface of the handheld rod.
[0026] Preferably, the horizontal part comprises a fixing frame and a level;
[0027] The handheld grip is provided with a strip-shaped groove, the fixing frame is installed at the strip-shaped groove, and the level is installed on the fixing frame.
[0028] Preferably, the first limiting structure comprises two pairs of limiting plates and two pairs of supporting rods;
[0029] The two pairs of limiting plates are installed on the side surfaces of the handheld rod, and each supporting rod is installed on the lower surface of the corresponding limiting plate. Advantages
[0030] The utility model provides a concrete reinforcing steel bar protective layer control device of bridge and culvert construction. Have the following beneficial effects: the concrete reinforcing steel bar protective layer control device of bridge and culvert construction can better control, it is very convenient, has reduced unnecessary trouble, can better carry out effective control to the protective layer, convenient to use, flexible, can accurate control reinforcing steel bar protective layer thickness, relative simple structure, convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is the structure schematic diagram of concrete reinforcing steel bar protective layer control device of bridge and culvert construction of the utility model.
[0032] Figure 2 It is the main view structure drawing of concrete reinforcing steel bar protective layer control device of bridge and culvert construction of the utility model.
[0033] Figure 3 It is the main view of concrete reinforcing steel bar protective layer control device of bridge and culvert construction of the utility model.
[0034] Figure 4 It is the plan view of concrete reinforcing steel bar protective layer control device of bridge and culvert construction of the utility model.
[0035] In the drawing:
[0036] Handheld rod 10, handle structure 20, first limiting structure 30, adjustment structure 40, fixed structure 50, second limiting structure 60;
[0037] Handheld handle 21, fixed frame 22, level 23;
[0038] Limiting plate 31, support rod 32;
[0039] Sleeve 41;
[0040] Fixed cushion block 51, threaded rod 52, rotating handle 53;
[0041] Annular limiting plate 61. DETAILED DESCRIPTION
[0042] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0043] Please refer to Figures 1-4The utility model provides a technical scheme: concrete reinforcing steel bar protective layer control device of bridge and culvert construction, include: handheld pole 10, hand grip structure 20, hand grip structure 20 is installed on handheld pole 10, and hand grip structure 20 is used for holding, first limit structure 30, first limit structure 30 is installed on handheld pole 10, and first limit structure 30 is used for limit, adjustment structure 40, adjustment structure 40 is installed on handheld pole 10, and adjustment structure 40 is used for adjustment, fixed structure 50, fixed structure 50 is installed on adjustment structure 40, and fixed structure 50 is used for fixed, second limit structure 60, second limit structure 60 is installed on adjustment structure 40, and second limit structure 60 is used for limit.
[0044] Hand grip structure 20 includes: holding part and horizontal part, holding part is installed on handheld pole 10, and horizontal part is installed on holding part.
[0045] Holding part includes: handheld handle 21, and handheld handle 21 is installed on the upper surface of handheld pole 10.
[0046] Horizontal part includes: fixed rack 22 and level 23, handheld handle 21 is equipped with strip-shaped recess, fixed rack 22 is installed at strip-shaped recess, and level 23 is installed on fixed rack 31.
[0047] First limit structure 30 includes: two pairs of limit plates 31 and two pairs of support rods 32, two pairs of limit plates 31 are installed on the side surface of handheld pole 10, and each support rod 32 is installed on the lower surface of the corresponding limit plate 31.
[0048] Adjustment structure 40 includes: scale part and sleeve part, scale part is installed on handheld pole 10, and sleeve part is installed on handheld pole 10.
[0049] Scale part includes: scale line, and scale line is installed on the front surface of handheld pole 10.
[0050] Sleeve part includes: sleeve 41, and sleeve 41 is sleeved on handheld pole 10.
[0051] Fixed structure 50 includes: fixed pad 51, threaded rod 52 and rotating handle 53, sleeve 41 is equipped with threaded hole, threaded rod 52 is installed at threaded hole, fixed pad 51 is installed on threaded rod 52, and fixed pad 51 is located in sleeve 41, rotating handle 53 is installed on threaded rod 52, and rotating handle 53 is located outside sleeve 41.
[0052] Second limit structure 60 includes: annular limit plate 61, and annular limit plate 61 is installed on the lower end of the side surface of sleeve 41.
[0053] The embodiment is: the holding structure 20 on the handheld rod 10 is used for holding, the first limiting structure 30 on the handheld rod 10 is used for limiting, the adjusting structure 40 on the handheld rod 10 is used for adjusting, the fixing structure 50 on the adjusting structure 40 is used for fixing, and the second limiting structure 60 on the adjusting structure 40 is used for limiting, first, the sleeve 41 can be moved on the handheld rod 10 by rotating the threaded rod 52 through the rotating handle 53, the position of the sleeve 41 is adjusted through the scale line, then the threaded rod 52 is rotated through the rotating handle 53 on the threaded rod 52, the sleeve 41 is fixed at the corresponding position on the scale line, after completion, the handheld rod 10 is inserted into the concrete through the handheld handle 21, stops sinking to the surface of the main reinforcement, the limiting plate 31 is kept flush with the surface of the concrete, and the stability is kept through the supporting rod 32 on the limiting plate 31, then the concrete is continuously supplemented, the concrete is supplemented to the annular limiting plate 61, and then the concrete steel bar protection layer thickness that meets the requirements is obtained, when the concrete exceeds the design protection layer thickness, the height of the concrete is higher than the annular limiting plate 61, and when the concrete is lower than the design protection layer thickness, the height of the concrete is lower than the annular limiting plate 61, and it is very convenient.
[0054] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement "comprises... specified elements" does not exclude the presence of additional elements in the process, method, article, or apparatus that comprises the specified elements.
[0055] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for controlling the concrete cover of reinforcement in bridge construction, characterized in that Include: Handheld rod (10); Grip structure (20) is installed on the handheld rod (10), and the grip structure (20) is used for holding; The first limiting structure (30) is installed on the handheld rod (10), and the first limiting structure (30) is used for limiting; Adjusting structure (40) is installed on the handheld rod (10), and the adjusting structure (40) is used for adjusting; The adjusting structure (40) comprises: scale part and sleeve part; The scale part is installed on the handheld rod (10), and the sleeve part is installed on the handheld rod (10); The scale part comprises: scale line; The scale line is installed on the front surface of the handheld rod (10); The sleeve part comprises: sleeve (41); The sleeve (41) is sleeved on the handheld rod (10); The fixing structure (50) is installed on the adjusting structure (40), and the fixing structure (50) is used for fixing; The fixing structure (50) comprises: fixed pad (51), threaded rod (52) and rotating handle (53); The sleeve (41) is provided with a threaded hole, the threaded rod (52) is installed at the threaded hole, the fixed pad (51) is installed on the threaded rod (52), and the fixed pad (51) is located in the sleeve (41), the rotating handle (53) is installed on the threaded rod (52), and the rotating handle (53) is located outside the sleeve (41); The second limiting structure (60) is installed on the adjusting structure (40), and the second limiting structure (60) is used for limiting; The second limiting structure (60) comprises: annular limiting plate (61); The annular limiting plate (61) is installed on the lower end of the side surface of the sleeve (41).
2. The concrete cover control device for bridge construction of claim 1, wherein The grip structure (20) comprises: holding part and horizontal part; The holding part is installed on the handheld rod (10), and the horizontal part is installed on the holding part.
3. The concrete cover control device for bridge construction of claim 2, wherein The holding part comprises: handheld grip (21); The handheld grip (21) is installed on the upper surface of the handheld rod (10).
4. The concrete cover control device for bridge construction of claim 3, wherein The horizontal part comprises: fixed frame (22) and level (23); The handheld grip (21) is provided with a strip-shaped groove, the fixed frame (22) is installed at the strip-shaped groove, and the level (23) is installed on the fixed frame (22).
5. The concrete cover control device for bridge construction of claim 1, wherein The first limiting structure (30) comprises: two pairs of limiting plates (31) and two pairs of supporting rods (32); Two pairs of the limiting plates (31) are installed on the side surface of the handheld rod (10), and each supporting rod (32) is installed on the lower surface of the corresponding limiting plate (31).