Positioning device for pre-embedded foundation bolt of column between floors

By combining the outer frame and adjustment components, the positioning problem during anchor bolt pre-embedding was solved, ensuring the accurate positioning and stability of the anchor bolts in the construction of steel-concrete columns, thus improving construction quality and work efficiency.

CN223880794UActive Publication Date: 2026-02-06MCC (SHANGHAI) STEEL STRUCTURE TECHNOLOGY CORP LTD
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Patent Information

Application Number
CN202520020707.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-02-06
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

During the construction of steel-concrete composite columns, it is difficult to accurately position the lower anchor bolts during pre-embedding, which can easily lead to displacement during concrete pouring and affect the construction quality.

Method used

A positioning device consisting of an outer frame and adjustment components is used. The horizontal and vertical positions of the anchor bolts are determined by adjusting the screws and nuts. Combined with the tightening components, the anchor bolts are fixed to the template to ensure that they do not shift during the pouring process.

Benefits of technology

It achieves accurate positioning and stabilization of anchor bolts, improves construction quality, and allows for reuse, thus increasing the efficiency of pre-embedded anchor bolts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a positioning device for a pre-embedded foundation bolt of a column between floors, which comprises an outer frame and an adjusting component arranged in the outer frame, the outer frame is enclosed by four rectangular plates, and the middle part of each rectangular plate is provided with a jacking component facing the outer part of the outer frame; the adjusting assembly comprises a first pair of long-strip-shaped plates and a second pair of long-strip-shaped plates, the two ends of each long-strip-shaped plate are connected with the corresponding rectangular plates in a sliding mode, and through grooves are formed in the long-strip-shaped plates in the length direction. Square penetrating holes are formed in the vertical intersection positions of every two long-strip-shaped plates, adjusting screw rods are arranged in the penetrating holes in a penetrating mode, and adjusting nuts are screwed to the portions, located on the two sides of the penetrating holes, of the adjusting screw rods; and the lower end of the adjusting screw rod is detachably connected with the foundation bolt. The foundation bolt can be stably positioned in a template of a steel reinforced concrete column on the lower layer, and cannot deviate in the pouring process, so that the construction quality is improved, and the foundation bolt can be repeatedly used.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete column construction technical field more specifically, relate to a positioning device of column body pre -buried foundation bolt between floors. BACKGROUND

[0002] Compared with traditional reinforced concrete structure, steel reinforced concrete column has the advantages of large bearing capacity, large rigidity and good seismic performance. Compared with steel structure, it has the advantages of good fire resistance, good local and overall stability and saving of steel. The steel reinforced concrete column of part of high-rise building is not rooted from the bottom of the building to the top of the building, but increases layer by layer, and the foundation bolt is pre -buried between each layer to connect the upper steel reinforced concrete column.

[0003] However, when the foundation bolt is pre -buried in the upper part of the lower steel reinforced concrete column, it is not easy to strictly position the pre -buried foundation, if only the foundation bolt is fixed on the steel bar, the foundation bolt is easy to impact during pouring, and the foundation bolt is easy to deviate, exceed the allowable error, and cause low construction quality. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model aims at providing a positioning device of column body pre -buried foundation bolt between floors, which can stably position the foundation bolt in the formwork of the lower steel reinforced concrete column, accurately and firmly position, not deviate in the pouring process, improve the construction quality, and be reusable.

[0005] The utility model provides a positioning device of column body pre -buried foundation bolt between floors, which comprises an outer frame and an adjusting assembly arranged in the outer frame, wherein,

[0006] The outer frame is surrounded by four rectangular plates, and a clamping member is arranged in the middle of the rectangular plate and faces the outside of the outer frame;

[0007] The adjusting assembly comprises a first pair of long strip plates and a second pair of long strip plates, the two long strip plates of the first pair of long strip plates are connected between the first group of two opposite rectangular plates of the outer frame, the two long strip plates of the second pair of long strip plates are connected between the second group of two opposite rectangular plates of the outer frame, the two ends of the long strip plate are slidably connected with the corresponding rectangular plate, and a through groove is formed in the long strip plate along the length direction;

[0008] The long strip plate is perpendicular to the cross section of the outer frame, and the long strip plate is perpendicular to the cross section of the outer frame.

[0009] The lower end of the adjusting screw is detachably connected with the foundation bolt.

[0010] The top-tight member comprises a top-tight screw, a top plate is arranged at one end of the top-tight screw, and a rotating handle is arranged at the other end; a through hole is arranged at the middle of the length direction of the rectangular plate, a fixed nut is fixed on the side of the through hole towards the inner side of the outer frame, the top-tight screw is screwed in the fixed nut, and the top plate is located outside the outer frame, and the rotating handle is located inside the outer frame.

[0011] Sliding plates are respectively connected at the two ends of the long strip-shaped plate, and sliding rails are arranged on the rectangular plate, and the sliding plates are slidingly connected in the corresponding sliding rails.

[0012] The sliding rails comprise circular rods which are fixed at the inner side of the rectangular plate through supporting rods at both ends, and the circular rods are parallel to the long sides of the rectangular plate; the sliding plates comprise square plates which are perpendicularly connected with the long strip-shaped plate, and the square plates are inserted in the gaps between the circular rods and the rectangular plate.

[0013] The arrangement heights of the circular rods on the first set of two opposite rectangular plates are the same and higher than the arrangement heights of the circular rods on the second set of two opposite rectangular plates, and the arrangement heights of the circular rods on the second set of two opposite rectangular plates are the same.

[0014] Limiting baffle plates are arranged at the upper parts of the circular rods on the first set of two opposite rectangular plates, and the limiting baffle plates are fixed on the rectangular plate.

[0015] The first pair of long strip-shaped plates are close to the second pair of long strip-shaped plates.

[0016] The outer diameter of the adjusting nut is not less than the width of the long strip-shaped plate.

[0017] A sleeve is arranged at the lower end of the adjusting screw, and an internal thread which is matched with the thread of the foundation bolt is arranged in the sleeve.

[0018] The width of the through groove is greater than the diameter of the adjusting screw by 2mm, and a scale is arranged on the adjusting screw.

[0019] As can be seen from the above description, the positioning device for pre-burying foundation bolts between floor columns comprises an adjusting assembly arranged in an outer frame, the outer frame top-tight member is used to top-tightly connect with a formwork, the horizontal position of the foundation bolt is adjusted by the long strip-shaped plate in the adjusting assembly, and the vertical position of the foundation bolt is determined by the adjusting screw nut. The foundation bolt is accurately and stably positioned by the positioning device, the foundation bolt will not be deviated under the impact of concrete when pre-buried, the positioning device is convenient to disassemble after pre-buried, can be used repeatedly, and the working efficiency of pre-burying the foundation bolt is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other objects and effects of the present application will be more clearly understood from the following description with reference to the accompanying drawings, and become more readily appreciated, as the more complete understanding of the present application ensues. In the drawings:

[0021] Figure 1 FIG. 1 is a structural schematic view of a positioning device for a floor intercolumnar body embedded anchor bolt according to an embodiment of the present application;

[0022] Figure 2 FIG. 2 is a structural schematic view of an outer frame according to an embodiment of the present application;

[0023] Figure 3 FIG. 3 is a structural schematic view of a jacking member according to an embodiment of the present application;

[0024] Figure 4 FIG. 4 is a structural schematic view of an adjusting assembly according to an embodiment of the present application;

[0025] Figure 5 FIG. 5 is a structural schematic view of a long strip-shaped plate according to an embodiment of the present application;

[0026] Figure 6 FIG. 6 is a structural schematic view of an adjusting screw according to an embodiment of the present application;

[0027] Wherein, 1-outer frame, 11-long strip-shaped plate, 2-adjusting assembly, 21-first pair of long strip-shaped plates, 22-second pair of long strip-shaped plates, 23-through slot, 24-adjusting screw, 25-adjusting nut, 26-sliding plate, 27-round rod, 28-limiting baffle, 29-sleeve, 3-jacking member, 31-jacking screw, 32-top plate, 33-rotary handle, 34-fixing nut, 4-anchor bolt;

[0028] The same reference numbers in all the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0029] The present application can be modified in various ways and can have various embodiments, and a specific embodiment is illustrated in the accompanying drawings and described. However, the present application is not limited to the specific embodiment, and all modifications, equivalents, and alternatives falling within the scope of the idea and technology of the present application are included and understood to be included.

[0030] Numerical terms such as first, second, etc. can be used to describe various constituent elements, but the constituent elements are not limited to the terms. The terms are used only to distinguish one constituent element from another. For example, a second constituent element can be named as a first constituent element without departing from the scope of the claims of the present application, and similarly, a first constituent element can be named as a second constituent element. The terms and / or combinations of a plurality of items associatedly recited include one of the plurality of items or a combination of the plurality of items.

[0031] It should be understood that when referring to a certain constituent element being "connected" or "contacted" with other constituent elements, this not only includes the case of being directly connected or contacted with other constituent elements, but also includes the case of other constituent elements being present therebetween. Conversely, when referring to a certain constituent element being "directly connected" or "directly contacted" with other constituent elements, it should be understood that no other constituent elements are present therebetween.

[0032] In the description of the embodiments, when it is recited that a certain constituent element is formed "on or under" another constituent element, the "on or under" includes the case where the two constituent elements are directly contacted with each other or at least one of the other constituent elements is disposed between the two constituent elements. Also, when it is recited as on or under, with a certain constituent element as a reference, not only the upper side direction, but also the lower side direction can be included.

[0033] The terms used in the present application are used only to explain specific embodiments and not to limit the present application. Unless otherwise explicitly defined, the expression of the singular includes the expression of the plural. In the present application, it should be understood that the terms "include" or "have" or the like are used to designate the presence of features, numbers, steps, operations, constituent elements, components, or combinations thereof described in the specification, and do not preclude the presence or possibility of addition of one or more other features, numbers, steps, operations, constituent elements, components, or combinations thereof.

[0034] Unless otherwise defined, including technical or scientific terms, all terms used herein have the same meaning as understood by a person skilled in the art. Terms generally defined in a dictionary should be interpreted in accordance with the meaning possessed in the context of the relevant technology, and if not explicitly defined in the present application, should not be interpreted as ideal or overly formal meanings.

[0035] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0036] As Figures 1-6 As shown in the drawings, the positioning device for pre-burying a foundation bolt between floors proposed in the embodiments can be used for positioning when pre-burying a foundation bolt at the upper end of a square column of steel reinforced concrete on each floor in a building, and can also be used for positioning when pre-burying a foundation bolt at other positions.

[0037] The positioning device for embedding anchor bolts between floors comprises an outer frame 1 and an adjusting assembly 2 arranged in the outer frame 1. The outer frame 1 is similar in shape to the pouring formwork and is used to be supported and fixed with the inner wall of the outer form. The adjusting assembly 2 adjusts the horizontal and vertical positions of the anchor bolts 4 to prevent them from deviating during pouring. After the embedding is completed, the positioning device is removed and recycled in the construction of each floor, thus having a high utilization rate.

[0038] In order to be fixed on the upper end of the square outer form, the outer frame 1 can be formed by sequentially connecting four rectangular plates 11, and the four rectangular plates 11 have the same width. The outer frame 1 formed by the four rectangular plates 11 can be a square frame or a rectangular frame. The shape of the outer frame 1 is determined according to the shape of the outer form, and the outer frame 1 is placed in the outer form and close to the inner wall of the outer form.

[0039] In order to be further connected with the inner wall of the outer form, a jacking member 3 is arranged on the middle of each rectangular plate 11 and faces the outside of the outer frame 1. The jacking member 3 on each rectangular plate 11 is further jacked on the inner wall of the outer form, so that the outer frame 1 is firmly combined with the outer form.

[0040] In order to adjust the horizontal and vertical positions of the anchor bolts 4, the adjusting assembly 2 can comprise a first pair of long strip plates 21 and a second pair of long strip plates 22. A through slot 23 is formed on the long strip plates along the length direction. The two long strip plates of the first pair of long strip plates 21 are connected between the first group of two opposite rectangular plates of the outer frame 1, and the two long strip plates of the second pair of long strip plates 22 are connected between the second group of two opposite rectangular plates of the outer frame 1. The two ends of the long strip plates are slidably connected with the corresponding rectangular plates. The two vertical intersections of the long strip plates form a square hole, an adjusting screw 24 is arranged in the square hole, adjusting nuts 25 are screwed on the two sides of the adjusting screw 24, and the adjusting screw 24 is perpendicular to the cross section of the outer frame 1.

[0041] Generally, there are four anchor bolts for a column, and the four anchor bolts 4 are respectively connected with the four corners of a steel plate to combine the four anchor bolts 4 together. The four long strip plates are arranged in a cross shape, and the ends are respectively horizontally slid on the inner walls of the corresponding rectangular plates 11. The size and shape of the square formed by the four long strip plates can be changed to adjust the positions of the four adjusting screws 24, so as to adjust the horizontal positions of the four anchor bolts 4. The positions of the four adjusting screws 24 in the square hole are adjusted to position the vertical positions of the four anchor bolts 4. After the positions of the four adjusting screws 24 are adjusted, the adjusting nuts 25 are screwed on the upper and lower sides of the long strip plates to fix the adjusting screws 24. After the adjusting nuts 25 are screwed, the four long strip plates are fixed together and cannot slide.

[0042] The adjusting screw rod 24 is connected with the four foundation bolts 4 respectively, the positioning device and the foundation bolts 4 are placed in the outer mold, the jacking member 3 is jacked on the outer mold, and the concrete is poured.

[0043] The foundation bolt 4 can also be bound to the steel bar in the outer mold first, the adjusting assembly 2 is adjusted to adapt to the position of the foundation bolt 4, then the adjusting screw rod 24 is connected with the foundation bolt 4, the jacking member 3 is jacked on the outer mold, and the concrete is poured.

[0044] The lower end of the adjusting screw rod 24 is detachably connected with the foundation bolt 4, so that the pre-buried can be disassembled after completion.

[0045] In one specific embodiment of the utility model, the jacking member 3 includes a jacking screw rod 31, a top plate 32 is arranged at one end of the jacking screw rod 31, and a rotating handle 33 is arranged at the other end; a through hole is arranged at the middle of the length direction of the rectangular plate 11, a fixed nut 34 is fixed on the side of the through hole towards the inner wall of the outer frame 1, the jacking screw rod 31 is screwed in the fixed nut 34, and the top plate 32 is located outside the outer frame 1, and the rotating handle 33 is located inside the outer frame 1.

[0046] When the outer frame 1 is placed in the formwork and cannot be closely attached to the inner wall of the formwork, the jacking screw rod 31 is moved to the inner wall of the formwork by rotating each rotating handle 33, each top plate 32 is jacked on the inner wall of the formwork, and the outer frame 1 is fastened in the formwork, so that the fastening is firm.

[0047] In one specific embodiment of the utility model, the sliding connection mode between the end of the strip-shaped plate and the rectangular plate 11 can be that a sliding plate 26 is connected at each end of the strip-shaped plate, and a sliding rail is arranged on the rectangular plate 11, and the sliding plate 26 is slidingly connected in the corresponding sliding rail.

[0048] A sliding rail is arranged on each rectangular plate 11, and a sliding plate 26 that is matched with the sliding rail is arranged at both ends of the strip-shaped plate. The sliding plate 26 at both ends of the strip-shaped plate is arranged in the corresponding sliding rail and can smoothly slide between the two opposite rectangular plates 11.

[0049] In one specific embodiment of the utility model, the sliding rail can include a round rod 27 with a support rod connected at both ends, the support rod is fixed to the inner side of the rectangular plate 11, the round rod 27 is parallel to the long side of the rectangular plate 11, and the sliding plate 26 includes a square plate that is perpendicularly connected with the strip-shaped plate and is inserted in the gap between the round rod 27 and the rectangular plate 11.

[0050] The length of the round rod 27 can be slightly shorter than the length of the rectangular plate 11, and after being connected to the inner side of the rectangular plate 11 through the support rod, the spacing of the rectangular plate 11 can accommodate the thickness of the slide plate 26. The slide plate 26 in the form of a square plate is inserted into the gap between the round rod 27 and the rectangular plate 11. The sliding connection is simple and facilitates the movement of the long strip-shaped plate.

[0051] In one embodiment of the present application, in order to avoid the mutual influence of the two pairs of long strip-shaped plates during movement, the setting height of the round rod 27 on the first pair of opposite rectangular plates is higher than the setting height of the round rod 27 on the second pair of opposite rectangular plates.

[0052] The first pair of long strip-shaped plates 21 is located on the upper side of the second pair of long strip-shaped plates 22, the slide plate 26 of the first pair of long strip-shaped plates 21 is installed on the round rod 27 of the first pair of opposite rectangular plates, and the slide plate 26 of the second pair of long strip-shaped plates 22 is installed on the round rod 27 of the second pair of opposite rectangular plates, so that the first pair of long strip-shaped plates 21 and the second pair of long strip-shaped plates 22 are arranged in an upper and lower manner and can smoothly slide.

[0053] In one embodiment of the present application, in order to prevent the long strip-shaped plate from being separated from the slide rail, a limiting baffle 28 is arranged on the upper part of the round rod 27 of the first pair of opposite rectangular plates, and the limiting baffle 28 is fixed on the rectangular plate.

[0054] The limiting baffle 28 is arranged on the upper part of the two relatively high round rods 27, the end part of the long strip-shaped plate on the two round rods 27 is clamped between the round rod 27 and the limiting baffle 28, and each long strip-shaped plate can be prevented from being separated from the round rod 27.

[0055] In one embodiment of the present application, in order to facilitate the tightening of the adjusting nut 25, the first pair of long strip-shaped plates 21 and the second pair of long strip-shaped plates 22 are close to each other in an upper and lower manner. The first pair of long strip-shaped plates 21 and the second pair of long strip-shaped plates 22 are closely attached in an upper and lower manner, which facilitates the tightening of the adjusting nut 25 and the adjustment of the adjusting screw.

[0056] In one embodiment of the present application, in order to stably fasten the adjusting nut 25, the outer diameter of the adjusting nut 25 is not less than the width of the long strip-shaped plate. The adjusting nut 25 with a large outer diameter is convenient to rotate and blocks the long strip-shaped plate.

[0057] In one embodiment of the present application, in order to facilitate the connection with the foundation bolt 4, a sleeve 29 is arranged at the lower end of the adjusting screw 24, and an internal thread matched with the external thread of the foundation bolt 4 is arranged in the sleeve 29. The internal thread is matched with the external thread of the foundation bolt 4, the sleeve 29 can be screwed with the foundation bolt 4, the connection is firm, and the disassembly and assembly are convenient.

[0058] In one embodiment of the present application, in order to facilitate the adjustment of the adjusting screw 24 in the perforation of the rectangular plate 11, the width of the through slot 23 is greater than the diameter of the adjusting screw 24 by 2mm. The adjusting screw 24 can be smoothly moved in the perforation formed by the two perpendicular rectangular plates 11, and it is also convenient to rotate the adjusting screw 24 in the perforation and rotate with the anchor bolt 4.

[0059] In order to facilitate the positioning in the vertical direction, a scale is arranged on the adjusting screw 24, and by observing the scale, the positioning position of the adjusting screw 24 can be accurately adjusted, and the embedded height of the anchor bolt 4 can be accurately controlled.

[0060] The positioning device for the floor-to-floor column embedded anchor bolt according to the present application is described above with reference to the accompanying drawings in an exemplary manner. However, those skilled in the art should understand that various improvements can be made to the positioning device for the floor-to-floor column embedded anchor bolt according to the present application described above without departing from the content of the present application. Therefore, the protection scope of the present application should be determined by the content of the appended claims.

Claims

1. A positioning device for pre-embedded anchor bolts in columns between floors, characterized in that, Includes an outer frame and an adjustment component disposed within the outer frame, wherein, The outer frame is formed by four rectangular plates, and each rectangular plate has a clamping member facing outwards towards the outer frame in the middle of the rectangular plate. The adjustment assembly includes a first pair of elongated plates and a second pair of elongated plates. The two elongated plates of the first pair are connected between two opposite rectangular plates of the first group of the outer frame. The two elongated plates of the second pair are connected between two opposite rectangular plates of the second group of the outer frame. Both ends of the elongated plates are slidably connected to the corresponding rectangular plates. A through groove is formed on the elongated plates along the length direction. The elongated plates are perpendicular to each other and form square through holes at their intersections. An adjusting screw is inserted through the through hole, and an adjusting nut is screwed onto the portion of the adjusting screw located on both sides of the through hole. The adjusting screw is perpendicular to the cross-section of the outer frame. The lower end of the adjusting screw is detachably connected to the anchor bolt.

2. The interfloor column embedment anchor bolt positioning device of claim 1, wherein, The tightening component includes a tightening screw, with a top plate at one end and a handle at the other end; A through hole is provided in the middle of the rectangular plate along its length. A fixing nut is fixed to the side of the through hole facing the inner side of the outer frame. The tightening screw is screwed into the fixing nut. The top plate is located outside the outer frame, and the handle is located inside the outer frame.

3. The interfloor column embedment anchor bolt positioning device of claim 1, wherein, Slide plates are connected to both ends of the long strip plate, and slide rails are provided on the rectangular plate. The slide plates are slidably connected to the corresponding slide rails.

4. The interfloor column embedment anchor bolt positioning device of claim 3, wherein, The slide rail includes a round rod with both ends fixed to the inner side of the rectangular plate by support rods, and the round rod is parallel to the long side of the rectangular plate; The slide plate includes a square plate that is perpendicularly connected to the elongated plate, and the square plate is inserted into the gap between the round rod and the elongated plate.

5. The interfloor column embedment anchor bolt positioning device of claim 4, wherein, The circular rods on the two opposing rectangular plates in the first group are set at the same height, and are higher than the circular rods on the two opposing rectangular plates in the second group, which are set at the same height.

6. The device for positioning of the floor-to-floor column embedded anchor bolts according to claim 4, wherein, Limiting baffles are provided on the upper part of the round rods on the two opposite rectangular plates of the first group, and the limiting baffles are fixed on the rectangular plates.

7. The interfloor column embedment anchor bolt positioning device of claim 1, wherein, The first pair of elongated plates are close to the second pair of elongated plates, one above the other.

8. The interfloor column embedment anchor bolt positioning device of claim 1, wherein, The outer diameter of the adjusting nut is not less than the width of the elongated plate.

9. The interfloor column embedment anchor bolt positioning device of claim 1, wherein, A sleeve is provided at the lower end of the adjusting screw, and an internal thread adapted to the thread of the anchor bolt is provided inside the sleeve.

10. The interfloor column embedment anchor bolt positioning device of claim 1, wherein, The width of the through groove is 2 mm greater than the diameter of the adjusting screw, and the adjusting screw is provided with a scale.