Foundation bolt suspension positioning accurate control device
By combining components such as the lower fixing plate, upper fixing plate, adjusting nut, and locking nut, along with cross-shaped additional steel reinforcement support, the problem of inaccurate positioning of anchor bolts in mid-air was solved, achieving precise positioning and installation of anchor bolts, improving construction efficiency and building stability, and reducing construction costs.
Patent Information
- Application Number
- CN202422714574.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-07
AI Technical Summary
Existing anchor bolts are prone to shifting when suspended, resulting in low positioning accuracy, insufficient shear strength, and significant lateral impact during concrete pouring. Furthermore, existing fixing devices affect the integrity of the bolts and cannot be reused, leading to high construction costs.
The system employs components such as a lower fixing plate, an upper fixing plate, adjusting nuts, and locking nuts. By matching the hole positions and adjusting the nuts, the anchor bolts are precisely positioned and fixed. Combined with cross-shaped additional steel reinforcement supports, the stability of the anchor bolts during the concrete pouring process is ensured, and the upper fixing plate can be removed and reused after construction is completed.
It enables precise positioning and installation of anchor bolts, improving construction efficiency and accuracy, enhancing the stability and safety of buildings, reducing construction costs, and minimizing errors and settlement risks.
Smart Images

Figure CN223469060U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the foot bolt positioning technical field, more specifically, relate to a foot bolt suspension positioning precision control device. BACKGROUND
[0002] With the development of building technology, large industrial plants also change from the original concrete structure to large-span steel structure, and steel structure gradually becomes the preferred form of large plant because of its large span, light weight and fast installation and construction, and the connection form of steel structure and concrete foundation basically adopts large diameter embedded bolt group connection, and the installation precision of foot bolt directly affects the installation precision of steel column, which is the key to the installation quality control of the whole steel structure plant.
[0003] In the prior art, the suspension state of some foot bolts does not take effective fixing measures, which is easy to cause the deviation of foot bolts; some foot bolts adopt a foot bolt fixer, but only applicable to straight-buried foot bolts, and the positioning accuracy is low, and the shear strength is insufficient after the foot bolt is buried; the lateral force impact of concrete pouring on the bolt is large, which is difficult to control; the prior art also has a simple fixing support for rapid positioning of foot bolts, which realizes vertical position adjustment of the foot bolt by adjusting the bolt positioning nut, and realizes verticality fine adjustment of the bolt by cooperating with the large circular hole of the upper horizontal fixing disc and the small circular hole of the lower horizontal fixing disc; the lower horizontal fixing disc is spot-welded with the screw rod, and the upper fixing disc is spot-welded with the bolt positioning nut, compared with the traditional foot bolt support, the bolt support point position is changed, the overall adjustment is changed into local adjustment, the adjustment difficulty is reduced, and the rapid positioning of the foot bolt is realized; but the upper fixing disc and the bolt positioning nut are electrically welded, which damages the integrity of the bolt and affects the subsequent adjustment of the nut. SUMMARY
[0004] In view of the above defects or improvement needs of the prior art, the utility model provides a foot bolt suspension positioning precision control device, which realizes the positioning and precision control of the steel column suspended foot bolt through the mutual adjustment and cooperation between the lower fixing disc, the upper fixing disc, the foot bolt, the adjusting nut and other components, and the upper fixing disc can be taken out after construction is completed, which is recycled and reduces the construction cost.
[0005] In order to realize the above purpose, one aspect of the utility model provides a foot bolt suspension positioning precision control device, which comprises a hidden column steel bar arranged in a rectangular space net structure with an open top around the steel column, a lower fixing disc arranged inside the rectangular space and fixed with the hidden column steel bar, a foot bolt arranged around the steel column and vertically connected with the concrete foundation, an upper fixing disc arranged on the upper part of all foot bolts for fixing the top structure of the foot bolt, an adjusting nut for adjusting the horizontal state of the foot bolt, and a locking nut for fixing the position of the upper fixing disc.
[0006] Further, the upper fixing disc and the lower fixing disc are hollow rectangular frame structures.
[0007] Further, the upper fixing disc is provided with first through holes for the foundation bolts to pass through.
[0008] The lower fixing disc is provided with second through holes for the foundation bolts to pass through.
[0009] Further, the first through holes and the second through holes are the same in number and corresponding in position.
[0010] Further, the adjusting nut is sleeved on the foundation bolt and arranged on the upper surface of the upper fixing disc.
[0011] Further, the locking nut is sleeved on the foundation bolt and arranged on the lower surface of the upper fixing disc.
[0012] Further, the cross-shaped additional steel bars are arranged at the connection between the concealed column steel bars and the lower fixing disc.
[0013] Further, the cross-shaped additional steel bars are welded to the lower fixing disc.
[0014] Further, the cross-shaped additional steel bars are connected to the concealed column steel bars through binding.
[0015] Overall, compared with the prior art, the above technical scheme conceived by the utility model can achieve the following beneficial effects:
[0016] (1) The foundation bolt suspension positioning precision control device can temporarily fix the foundation bolts through the lower fixing disc, adjust the adjusting nut to make the upper fixing disc 1 reach a horizontal state, and then realize the precise positioning of the steel column suspension foundation bolts; the lower fixing disc and the concealed column steel bars are fixed, the foundation bolts and the upper fixing disc are locked through the locking nut, the precise positioning and installation of the steel column suspension foundation bolts are completed, the embedding precision of the foundation bolts can be effectively ensured, and the stability and safety of the high-rise steel structure building are very important. The utility model can improve the construction efficiency, reduce the error in construction, and ensure the quality and safety of the steel structure engineering.
[0017] (2) The utility model provides a kind of anchor bolt suspension positioning precision control device, by being provided between lower fixed disc and column steel bar cross type additional steel bar support structure, anchor bolt can be better fixed and supported in the process of concrete pouring, reduce the settlement or inclination caused by concrete pressure, to improve the installation precision of anchor bolt;Solve the problem that anchor bolt is difficult to fix, keep self balance stable when concrete pouring in suspension state, can improve the installation precision of anchor bolt, construction efficiency.
[0018] (3)The utility model provides a kind of anchor bolt suspension positioning precision control device, by increasing the assembly of upper fixed disc, locking nut, adjusting nut, so that upper fixed disc can be conveniently taken out after construction is completed, recycling, can solve the problem that upper fixed disc cannot be taken out after concrete pouring is completed in the prior art, high construction cost. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a side view structural schematic diagram of the utility model embodiment a kind of anchor bolt suspension positioning precision control device;
[0020] Figure 2 It is a top view structural schematic diagram of the utility model embodiment a kind of anchor bolt suspension positioning precision control device;
[0021] Figure 3 It is a side view structural schematic diagram of the cross type additional steel bar of the utility model embodiment a kind of anchor bolt suspension positioning precision control device;
[0022] Figure 4 It is a top view structural schematic diagram of the column steel bar of the utility model embodiment a kind of anchor bolt suspension positioning precision control device.
[0023] In all drawings, same reference signs indicate same technical features, specifically: 1-upper fixed disc;2-locking nut;3-adjusting nut;4-lower fixed disc;5-anchor bolt;6-bolt hole;7-steel column;8-cross type additional steel bar;9-column steel bar. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail in the following with the drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0025] In the description of the utility model, it is to be explained that, unless another explicit provision and limitation, when element is called " fixed in " " set in " or " set in " another element, it can be directly on another element or indirectly on the other element. When an element is called " connected to " another element, it can be directly connected to another element or indirectly connected to the other element;The terms " install " " be connected " " be connected " " be equipped with " should be understood broadly, for example, it can be fixedly connected, and can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.
[0026] In addition, the terms "first", "second" and the like are used only to describe purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless another explicit specific limitation.
[0027] As Figures 1-4 As shown in the utility model one aspect provides a kind of anchor bolt suspension positioning precision control device, including the rectangular space net-like structure of top opening that is arranged in steel column 7 four around vertical and horizontal interlaced hidden column reinforcement 9, be arranged in the lower fixed disc 4 of the rectangular space inside and the fixed hidden column reinforcement 9, be arranged in the anchor bolt 5 of steel column 7 four around and concrete foundation vertical connection, the upper fixed disc 1 for being arranged in the upper portion of all anchor bolt 5 for the top structure of fixed anchor bolt 5, adjusting nut 3 for adjusting anchor bolt 5 horizontal state and the locking nut 2 for the position of fixed upper fixed disc 1;Through lower fixed disc 4, anchor bolt 5 is temporarily fixed, through adjusting nut 3 adjustment makes upper fixed disc 1 reach horizontal state, lower fixed disc 4 is fixed with hidden column reinforcement 9, realize the precision positioning of steel column suspension anchor bolt, anchor bolt 5 is locked with upper fixed disc 1 by locking nut 2, complete the precision positioning and installation of steel column suspension anchor bolt.
[0028] Further, as Figures 1-4As shown, the upper fixing disc 1 and the lower fixing disc 4 are hollow rectangular frame structures; the design ensures the strength of the structure and reduces the weight, facilitating installation and adjustment; the upper fixing disc 1 is provided with first through holes for the anchor bolts 5 to pass through, the first through holes provide horizontal adjustment space for the anchor bolts 5, and finally the verticality of the bolts is adjusted; the lower fixing disc 4 is used for fixing the bottom structure of the anchor bolts 5; the lower fixing disc 4 is provided with second through holes for the anchor bolts 5 to pass through; the first through holes and the second through holes are the same in number and corresponding in position, ensuring that the anchor bolts 5 are aligned and fixed between the upper and lower fixing discs; the steel column 7 is provided with bolt holes 6 for the anchor bolts 5 to pass through, so as to realize the connection between the steel column 7 and the anchor bolts 5; the adjusting nut 3 is sleeved on the anchor bolt 5 and is located on the upper surface of the upper fixing disc 1; the position of the upper fixing disc 1 is adjusted by the adjusting nut 3 so that it can maintain a horizontal state, ensuring the verticality and horizontalness of the anchor bolts 5; the locking nut 2 is sleeved on the anchor bolt 5 and is located on the lower surface of the upper fixing disc 1; the upper fixing disc 1 and the anchor bolt 5 are fixed by the locking nut 2, ensuring that the position of the anchor bolt 5 remains stable during the concrete pouring process or after completion; the precise hole position correspondence and the adjusting and locking functions of the nut realize accurate positioning and fixing of the anchor bolt in a suspended state. The device not only improves the efficiency and precision of construction, but also enhances the stability and safety of the structure, which is of great significance to ensure the stability and durability of large steel structure buildings.
[0029] Further, as shown in the drawings, Figures 1-4 The cross-shaped additional steel bars 8 are welded to the lower fixing disc 4, making the combination of the upper fixing disc 1 and the lower fixing disc 4 more stable; the cross-shaped additional steel bars 8 are fixing points of the lower fixing disc 4 and the hidden column steel bars 9, which can avoid welding damage to the hidden column steel bars 9 and ensure the engineering quality; the cross-shaped additional steel bars 8 are connected to the hidden column steel bars 9 by binding, making the lower fixing disc 4 more stable.
[0030] The utility model provides a kind of anchor bolt suspension positioning precision control device, when installing, first, the hidden column reinforcement 9 of concrete foundation is positioned by foundation measurement, after positioning, vertical and horizontal interlaced binding hidden column reinforcement 9 forms the rectangular space net structure of top opening, after binding hidden column reinforcement 9, inside binding cross type additional reinforcement 8 in hidden column reinforcement 9;Steel column 7 and lower fixing disc 4 are placed in sequence in the inside of hidden column reinforcement 9;Anchor bolt 5 is installed on steel column 7 and lower fixing disc 4, anchor bolt 5 is temporarily fixed by lower fixing disc 4, adjust the position and perpendicularity of anchor bolt 5 simultaneously;Then adjusting nut 3, upper fixing disc 1 are sequentially installed on the upper portion of all anchor bolt 5, reach the horizontal state by adjusting adjusting nut 3 to upper fixing disc, and the installation elevation of upper fixing disc 1 is slightly higher than concrete finished surface;After leveling, lower fixing disc 4 and cross type additional reinforcement 8 are welded and fixed;Then, steel column 7 is positioned and re-measured, lock nut 2 is installed on all anchor bolt 5 after confirming no error, and the positioning installation of anchor bolt 5 and steel column 7 is completed;Finally, concrete is poured, lock nut 2 and adjusting nut 3 are loosened after concrete strength reaches requirement, and upper fixing disc 1 is removed.
[0031] The utility model discloses through increasing upper fixing disc 1, lock nut 2, adjusting nut 3 assembly, so that upper fixing disc 1 can be conveniently removed, cyclic use, solve the problem of prior art in concrete pouring after upper fixing disc 1 cannot be removed, and the construction cost is high.The anchor bolt installation process of the utility model can be adjusted in the bolt space position of bolt group one by one, so as to reduce the difficulty of anchor bolt adjustment, can carry out the vertical adjustment and horizontal position fine adjustment of bolt, realize the quick and accurate adjustment of bolt;Compared with traditional anchor bolt support, the utility model changes the adjustment of traditional fixed frame to anchor bolt support from lower horizontal fixing disc to upper horizontal fixing disc, and upper and lower fixing disc can be processed into shape in factory without secondary processing on site, so as to improve construction efficiency and reduce on-site workload.
[0032] Those skilled in the art can easily understand that the above description is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A precise control device for the suspended positioning of anchor bolts, characterized by: The application relates to a hidden column steel bar (9) arranged in a rectangular space net structure with a top opening in a longitudinal and transverse interlaced mode around a steel column (7), a lower fixing disc (4) arranged in the rectangular space and fixed with the hidden column steel bar (9), a foundation bolt (5) arranged around the steel column (7) and vertically connected with a concrete foundation, an upper fixing disc (1) arranged on the upper part of all the foundation bolts (5) and used for fixing the top structure of the foundation bolt (5), an adjusting nut (3) used for adjusting the horizontal state of the foundation bolt (5), and a locking nut (2) used for fixing the position of the upper fixing disc (1).
2. The anchor bolt suspension positioning precision control device according to claim 1, characterized in that: The upper fixing disc (1) and the lower fixing disc (4) are both hollow rectangular frame structures.
3. The anchor bolt suspension positioning precision control device according to claim 2, characterized in that: A first through hole for the foundation bolt (5) is arranged on the upper fixing disc (1). A second through hole for the foundation bolt (5) is arranged on the lower fixing disc (4).
4. The anchor bolt suspension positioning precision control device according to claim 3, characterized in that: The number of the first through holes and the second through holes is the same, and the positions of the first through holes and the second through holes are corresponding.
5. The anchor bolt suspension positioning precision control device according to any one of claims 1-4, characterized in that: The adjusting nut (3) is sleeved on the foundation bolt (5) and arranged on the upper surface of the upper fixing disc (1).
6. The anchor bolt suspension positioning precision control device according to any one of claims 1-4, characterized in that: The locking nut (2) is sleeved on the foundation bolt (5) and arranged on the lower surface of the upper fixing disc (1).
7. The anchor bolt suspension positioning precision control device according to any one of claims 1-4, characterized in that: A cross-shaped additional steel bar is arranged at the connecting position of the hidden column steel bar (9) and the lower fixing disc (4).
8. The anchor bolt suspension positioning precision control device according to claim 7, characterized in that: The cross-shaped additional steel bar (8) is welded with the lower fixing disc (4).
9. The anchor bolt suspension positioning precision control device according to claim 8, characterized in that: The cross-shaped additional steel bar (8) is connected with the hidden column steel bar (9) through binding.