CN215717403U - Fixing structure of anchor bolt of pre-buried stiffening anchor plate - Google Patents

Abstract

The utility model relates to a fixing structure of a foundation bolt of an embedded stiffening anchor plate, which comprises a cushion layer, wherein a plurality of steel plate embedded parts are embedded in the cushion layer, stand columns which are connected with the steel plate embedded parts in a one-to-one correspondence mode are arranged above the cushion layer, and the stand columns are concentric two circles; a positioning ring plate and a supporting ring plate are arranged between the inner circle of stand column and the outer circle of stand column from top to bottom, and each stand column supports and is connected with the positioning ring plate and the supporting ring plate; be the circumference equipartition and set up a plurality of vertical locating holes that run through on the retaining ring board, the vertical locating hole that upwards passes corresponding in pole portion of the anchor slab foundation bolt of putting more energy into, the anchor slab and the support ring board butt of anchor slab foundation bolt of putting more energy into and weld and link to each other. The fixing structure adopts an installation mode of integral support and integral positioning, compared with the traditional fixing rack, the fixing structure can better control the position of the foundation bolt, enhance the integrity of the foundation bolt, improve the installation precision and the support effect, uniformly install and correct, and improve the installation efficiency of the foundation bolt.

Description

Fixing structure of anchor bolt of pre-buried stiffening anchor plate

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a fixing structure for foundation bolts of a pre-embedded stiffening anchor plate.

Background

In building construction, one end of an anchor bolt in a J shape or an L shape is generally embedded in concrete, and one end with threads extends out of the concrete for fixing large equipment or installing mechanical components. At present, the traditional construction method for embedding common foundation bolts or stiffening anchor plate foundation bolts is as follows: 1) positioning an approximate pre-embedded position of the foundation bolt before pouring the cushion layer, and pre-embedding a steel plate pre-embedded part serving as an upright post mounting foundation around the pre-embedded position; 2) pouring a cushion layer, placing a structural line on the cushion layer, and positioning the approximate embedded position of the foundation bolt; 3) arranging a reinforcement cage and a template, and installing stand columns of a fixed rack based on a steel plate embedded part, wherein the fixed rack is used for fixing foundation bolts during pouring, each foundation bolt corresponds to a plurality of stand columns, and a plurality of cross rods are vertically arranged between the stand columns at intervals so as to increase the integrity; 4) discharging bottom and top elevation lines of the embedded foundation bolts on the stand columns, arranging a supporting cross rod at the bottom elevation line to support the foundation bolts, and arranging a positioning cross rod at the top elevation line and discharging a cross line to position the top positions of the embedded foundation bolts; 5) repeatedly adjusting the verticality by using a plumb bob to meet the positioning requirement, and adding a steel bar or section steel to weld the rod part of the foundation bolt and the fixed rack together after the positioning is finished.

The one end of the pole portion has the screw thread in the anchor slab foundation bolt of putting more energy into, and the other end is connected with anchor slab perpendicularly and is used for replacing ordinary foundation bolt's J shape or L shape structure to make its combination with the concrete more firm, thereby provide more reliable concrete foundation. When carrying out steel pipe concrete construction, large-scale steel structure column construction also or large equipment construction, need be the basis that the circumference distributes pre-buried a large amount of stiffening anchor plate rag bolts of taking the earth's surface construction, the application of above-mentioned traditional construction method when pre-buried rag bolt is rare relatively and comparatively dispersed is comparatively general, but the suitability when pre-buried be circumference distribution and comparatively intensive stiffening anchor plate rag bolt is relatively poor, the leading cause is as follows: 1) the size and the weight of the foundation bolt of the stiffening anchor plate are generally larger than those of the common foundation bolt, and the independently dispersed fixed pedestals are easy to deform or lose stability in the pouring process and have poor fixing effect; 2) the fixed platforms are dispersed, so that the relative positioning accuracy and integrity of the foundation bolts of the stiffening anchor plates in the same group are difficult to ensure; 3) the circumferential distribution embedding needs repeated calibration, and the traditional construction method needs whole-course auxiliary calibration of instruments, so that the efficiency is low; 4) the pole portion of the anchor plate foundation bolt of putting more energy into links to each other with other component welding, and the damage appears easily in the position that the bolt was heated the burning and toasts, can appear the crackle even, leads to its structural strength to reduce, influences the engineering quality.

The accurate positioning mechanism and the positioning method for the embedded foundation bolt of the steel pipe column concrete foundation in the Chinese patent CN201910088851.9 are also related, but the foundation bolt is still fixed by adopting a welding mode in the patent, the verticality of the foundation bolt is easily influenced during welding and fixing, and the situations of repeated adjustment and slow construction speed are easily caused; the positioning of a plurality of foundation bolts completely depends on the positioning ring, the precision requirement on the positioning ring and the flange hole is high, and the foundation bolts are difficult to adjust during installation.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a fixing structure for embedded stiffening anchor plate anchor bolts, which solves the problem that the traditional fixing rack is difficult to be suitable for annularly and densely embedding stiffening anchor plate anchor bolts, and achieves the effects of high positioning precision and good integral fixation.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a fixing structure of foundation bolts of a pre-buried stiffening anchor plate comprises a cushion layer, wherein a plurality of steel plate embedded parts are pre-buried in the cushion layer, stand columns which are correspondingly connected with the upper ends of the steel plate embedded parts extending out of the upper surface of the cushion layer in a one-to-one mode are arranged above the cushion layer, and the stand columns are arranged in two concentric circles at intervals and comprise inner circles and outer circles;

a horizontal positioning ring plate and a horizontal supporting ring plate are arranged above the cushion layer from top to bottom, the positioning ring plate and the horizontal supporting ring plate are both positioned between the inner circle of stand columns and the outer circle of stand columns, and each stand column supports and is connected with the positioning ring plate and the supporting ring plate; the vertical locating hole that has seted up a plurality of vertical penetrations of circumference equipartition is on the position ring board, is equipped with the anchor slab foundation bolt of putting more energy with the locating hole one-to-one on the support ring board, and the vertical locating hole that upwards passes corresponding and the screw thread section of anchor slab foundation bolt of putting more energy is higher than the position ring board in the pole portion of anchor slab foundation bolt of putting more energy, and the anchor slab of anchor slab foundation bolt of putting more energy is continuous with support ring board butt and welding.

Furthermore, the stand columns are uniformly distributed on the inner ring and the outer ring, and the stand columns distributed on the inner ring and the outer ring are equal in number and are in one-to-one correspondence in the radial direction; lower cross rods are connected between two corresponding columns in the radial direction, and the supporting ring plates are arranged on the lower cross rods and are fixedly connected; the upright columns are divided into long upright columns and short upright columns, the long upright columns on the inner ring and the long upright columns on the outer ring are in one-to-one correspondence in the radial direction, the short upright columns on the inner ring and the short upright columns on the outer ring are in one-to-one correspondence in the radial direction, and one or a plurality of short upright columns are arranged between two adjacent long upright columns on the inner ring; the two radial corresponding long upright posts are connected with an upper cross rod, and the positioning ring plates are arranged on the upper cross rods and are fixedly connected.

Furthermore, a positioning plate concentric with the positioning ring plate is horizontally arranged on the inner side of the positioning ring plate, and the positioning plate is flush with the upper surface of the positioning ring plate; the lower part of the positioning plate is connected with a plurality of central upright posts, and the lower ends of the central upright posts are connected with a central embedded part embedded in the cushion layer.

Furthermore, two perpendicularly crossed steel strands are arranged on the inner side of the positioning ring plate, the intersection point of the two steel strands is located at the circle center of the positioning plate, the end portions of the steel strands are connected with the two turnbuckles in a Y-shaped mode, and the turnbuckles are hinged to the positioning ring plate.

Furthermore, a supporting plate is arranged below the two turnbuckles, the upper surface of the supporting plate is abutted against the turnbuckles, and the supporting plate is fixedly connected with the positioning ring plate.

Furthermore, the diameter of the positioning hole is larger than that of the rod part of the foundation bolt of the stiffening anchor plate, and the positioning ring plate is provided with adjusting units which correspond to the positioning holes one by one; the adjusting unit comprises four adjusting nuts uniformly distributed around the positioning hole, the axes of the adjusting nuts are perpendicular to the axes of the positioning hole and intersect, the adjusting nuts are fixedly connected with the positioning ring plate, adjusting bolts penetrate through threaded holes of the adjusting nuts, and rod portions of the adjusting bolts are abutted to rod portions of the stiffening anchor plate foundation bolts.

Furthermore, the magnetic line weight is arranged on the rod part of the stiffening anchor plate foundation bolt so as to calibrate the verticality of the stiffening anchor plate foundation bolt.

Compared with the prior art, the utility model has the following beneficial effects:

the fixing structure provides integral support for a plurality of stiffening anchor plate foundation bolts distributed circumferentially through the support ring plate, and provides integral positioning for the plurality of stiffening anchor plate foundation bolts distributed circumferentially through the positioning ring plate, so that the situation that the integrity and the relative positioning accuracy are poor due to the dispersed installation and single positioning of the plurality of stiffening anchor plate foundation bolts under the traditional construction method can be avoided; the steel plate embedded parts embedded in the cushion layer provide mounting bases for the stand columns, and the stand columns are connected into a whole through the positioning ring plate and the supporting ring plate, so that the fixing structure has higher structural strength and is not easy to deform and destabilize in the pouring process; the rod part of the stiffening anchor plate foundation bolt is not required to be welded, so that the stiffening anchor plate foundation bolt can be prevented from being damaged, and the engineering quality is ensured; this fixed knot constructs and replaces traditional set rack to solve traditional set rack and be difficult to be applicable to and be the problem of cyclic annular intensive pre-buried stiffening anchor plate rag bolt.

Drawings

FIG. 1 is a schematic view of the distribution of a stressed anchor plate anchor bolt and a steel plate embedded part in a fixing structure according to an embodiment;

FIG. 2 is a schematic structural view of a fixing structure of anchor bolts of an embedded stiffening anchor plate according to an embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic top view of a portion of a fastening structure for anchor bolts of an embedded stiffening anchor plate according to an embodiment;

the steel plate embedded part comprises a steel plate embedded part 11, a central embedded part 12, a long upright post 13, a short upright post 14, an upper cross rod 15, a lower cross rod 16, a positioning ring plate 21, a supporting ring plate 22, a positioning plate 23, a supporting plate 24, a stiffening anchor plate foundation bolt 3, an adjusting nut 41, an adjusting bolt 42, a steel strand 51, a turnbuckle 52 and a magnetic line weight 6.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, a fixing structure of a foundation bolt of a pre-embedded stiffening anchor plate comprises a cushion layer (not shown in the figure), wherein a plurality of steel plate embedded parts 11 are pre-embedded in the cushion layer, upright columns which are correspondingly connected with the upper ends of the steel plate embedded parts 11 extending out of the upper surface of the cushion layer are arranged above the cushion layer one by one, and the upright columns are distributed in a concentric double-circle manner;

a horizontal positioning ring plate 21 and a horizontal supporting ring plate 22 are arranged above the cushion layer from top to bottom, the positioning ring plate 21 and the horizontal supporting ring plate 22 are both positioned between the inner circle of stand columns and the outer circle of stand columns, and each stand column supports and is connected with the positioning ring plate 21 and the supporting ring plate 22; be the circumference equipartition on the retaining ring board 21 and set up a plurality of vertical locating holes that run through, be equipped with on the support ring board 22 with the stiffening anchor board rag bolt 3 of locating hole one-to-one, the diameter of the locating hole and the pole portion of stiffening anchor board rag bolt 3 equals, the pole portion of stiffening anchor board rag bolt 3 is vertical upwards to pass corresponding locating hole and the screw thread section of stiffening anchor board rag bolt 3 is higher than retaining ring board 21, the anchor slab and the support ring board 22 butt of stiffening anchor board rag bolt 3 and welding link to each other.

In the building construction, the cushion layer is an intermediate layer of a reinforced concrete foundation and foundation soil, has the function of leveling the surface of the cushion layer, is convenient for binding reinforcing steel bars on the cushion layer to pour the reinforced concrete foundation, also has the function of protecting the reinforced concrete foundation, is formed by pouring concrete, and does not need to add the reinforcing steel bars;

the steel plate embedded part 11 is a conventional embedded part, the steel plate embedded part 11 is formed by processing a steel plate into a square shape or a round shape and the like, and then welding anchoring steel bars on the steel plate, when the embedded part is used, the steel plate is embedded under a cushion layer, and the anchoring steel bars penetrate out of the cushion layer upwards so as to be connected with other components;

the upright posts can adopt angle steel, thick steel bars or other metal rod pieces, and the positioning ring plate 21 and the supporting ring plate 22 are both of annular plate structures and can be made by cutting steel plates; the vertical positions of the supporting ring plate 22 and the positioning ring plate 21 are determined by the embedded design requirements of the stiffening anchor plate anchor bolts 3, the height of the supporting ring plate 22 corresponds to the height of the anchor plate of the stiffening anchor plate anchor bolts 3, and the height of the positioning ring plate 21 is lower than the highest position of the rod part of the stiffening anchor plate anchor bolts 3 submerged by concrete, so that the positioning ring plate 21 cannot influence the use of the upper thread section of the stiffening anchor plate anchor bolts 3, and the positioning ring plate 21 is also embedded in the concrete after the concrete is poured;

the positioning holes in the positioning ring plate 21 are used for positioning the positions of the stiffening anchor plate foundation bolts 3 in the horizontal direction, so that the stiffening anchor plate foundation bolts 3 are uniformly distributed in the circumferential direction, and the diameters, the number and the circumferentially distributed diameters of the stiffening anchor plate foundation bolts 3 correspond to the flange connecting surface of a steel structure or large-scale equipment which is planned to be installed on a concrete foundation, so that accurate butt joint is facilitated;

the manner of connecting the positioning ring plate 21 and the supporting ring plate 22 by the supporting of the plurality of columns may be various, such as welding the inner side and the outer side of the positioning ring plate 21 or the supporting ring plate 22 to the columns, such as welding a cross bar between two corresponding columns for supporting the positioning ring plate 21 or the supporting ring plate 22, or cutting the columns at the height of the positioning ring plate 21 or the supporting ring plate 22, and then welding the upper ends of the columns to the lower surface of the positioning ring plate 21 or the supporting ring plate 22, which is not particularly limited herein.

The fixing structure of the utility model provides integral support for a plurality of stiffening anchor plate foundation bolts 3 which are distributed circumferentially through the support ring plate 22, and provides integral positioning for the plurality of stiffening anchor plate foundation bolts 3 which are distributed circumferentially through the positioning ring plate 21, so that the situation that the integrity and the relative positioning accuracy are poor due to the dispersed installation and single positioning of the plurality of stiffening anchor plate foundation bolts 3 under the traditional construction method can be avoided; the steel plate embedded parts 11 embedded in the cushion layer provide mounting bases for the stand columns, and the stand columns are connected into a whole through the positioning ring plates 21 and the supporting ring plates 22, so that the fixing structure has high structural strength, and deformation and instability are not easy to occur in the pouring process; the rod part of the stiffening anchor plate foundation bolt 3 is not required to be welded, so that the stiffening anchor plate foundation bolt 3 can be prevented from being damaged, and the engineering quality is ensured; when the concrete foundation is poured based on the fixed structure, each component can also strengthen the structural strength of the concrete foundation; this fixed knot constructs and replaces traditional set rack to solve traditional set rack and be difficult to be applicable to and be the problem of cyclic annular intensive pre-buried stiffening anchor plate rag bolt 3.

Preferably, the upright columns are uniformly distributed on the inner ring and the outer ring, and the number of the upright columns arranged on the inner ring and the outer ring is equal and is in one-to-one correspondence in the radial direction; the lower cross rods 16 are connected between two corresponding columns in the radial direction, and the supporting ring plates 22 are arranged on the lower cross rods 16 and are fixedly connected; the upright columns are divided into long upright columns 13 and short upright columns 14, the long upright columns 13 on the inner ring and the outer ring correspond to each other in the radial direction, the short upright columns 14 on the inner ring and the outer ring correspond to each other in the radial direction, and one or a plurality of short upright columns 14 are arranged between two adjacent long upright columns 13 on the inner ring; the upper cross rods 15 are connected between the two corresponding radial long upright posts 13, and the positioning ring plates 21 are arranged on the upper cross rods 15 and are fixedly connected.

Wherein, each upright post is uniformly distributed on the inner ring and the outer ring so as to ensure that the supporting force and the fixing effect provided by the upright posts are better; the length of the long upright columns 13 is greater than that of the short upright columns 14, and the upper cross bars 15 and the lower cross bars 16 are arranged between the two corresponding long upright columns 13 and the two corresponding short upright columns 14 to respectively correspond to the supporting and positioning ring plate 21 and the supporting ring plate 22, so that the use of the excessive long upright columns 13 is reduced, angle steel for manufacturing the upright columns is saved, and the cost is reduced; the lower cross bars 16 are also connected between the corresponding long upright columns 13, so that the long upright columns 13 can also provide a supporting effect for the supporting ring plates 22, the connecting strength between the corresponding long upright columns 13 is enhanced, and meanwhile, the lower cross bars 16 between the corresponding long upright columns 13 are respectively connected with the long upright columns 13 and the supporting ring plates 22, so that all the upright columns, the upper cross bars 15, the lower cross bars 16, the supporting ring plates 22 and the positioning ring plates 21 are still connected into a whole, and the problem of integral reduction of the fixed structure caused by the separate arrangement of the long upright columns 13 and the short upright columns 14 is avoided;

in practice, since the positioning ring plate 21 mainly plays a role in positioning, and the supporting ring plate 22 supports the anchor bolts 3 of the plurality of stiffening anchor plates, the number of the short columns 14 should be much larger than that of the long columns 13 in order to improve the structural strength and stability of the fixing structure.

Referring to fig. 1 and 4, preferably, a positioning plate 23 concentric with the positioning ring plate 21 is horizontally arranged on the inner side of the positioning ring plate 21, and the positioning plate 23 is flush with the upper surface of the positioning ring plate 21; a plurality of central upright posts (not shown in the figure) are connected below the positioning plate 23, and the lower ends of the central upright posts are connected with central embedded parts 12 embedded in the cushion layer.

Through the arrangement of the positioning plate 23 which is concentric with the positioning ring plate 21, the cross positioning lines or positioning points of the stiffening anchor plate anchor bolts 3 can be conveniently positioned and popped out on the positioning ring plate 21 through the center of the positioning plate 23, so that the positioning holes can be conveniently machined and the positions of the stiffening anchor plate anchor bolts 3 can be conveniently corrected subsequently, and the positioning precision can be ensured; meanwhile, the positioning plate 23 and the central upright column correspondingly connected below play a role in reinforcing the structural strength of the concrete foundation when the concrete foundation is poured; when the positioning plate 23 is used, the cross positioning line is popped up through the positioning plate 23, namely, a transverse line is popped up on the positioning ring plate 21 through the center of the positioning plate 23, then the center of the cross positioning line is determined on the transverse line based on the radius (namely, the distance between the center of the positioning hole and the center of the positioning plate 23) of the stiffening anchor plate anchor bolt 3 in circumferential distribution, and then a longitudinal line is popped up through the center.

Referring to fig. 3 and 4, preferably, two steel strands 51 which are vertically intersected are arranged at the center of the circle of the positioning ring plate 21, the intersection point of the two steel strands 51 is located at the center of the circle of the positioning plate 23, two ends of the steel strands 51 extend to be close to the positioning ring plate 21, and two turnbuckles 52 are arranged at positions, corresponding to the ends of the steel strands 51, on the positioning ring plate 21; the two turnbuckles 52 are respectively positioned at two sides of the steel strand 51 in the horizontal direction, one end of the turnbuckle 52 is hinged with the positioning ring plate 21, and the other end of the turnbuckle 52 is inclined towards the end of the steel strand 51 and connected with the steel strand 51.

The ends of the steel strands 51 are connected with the positioning ring plate 21 through the two turnbuckles 52, the two ends of the turnbuckles 52 are hinged with the positioning ring plate 21 and the steel strands 51 respectively, when the distance between the two ends of the turnbuckles 52 is adjusted, the positions of intersection points (namely the ends of the steel strands 51) of the two turnbuckles 52 can be changed, so that the verticality of the two steel strands 51 and the coincidence degree of the intersection points and the circle center of the positioning plate 23 can be adjusted, and the reliability of positioning, mounting and correcting of the anchor plate foundation bolt 3 based on the steel strands 51 is guaranteed.

Set up the vertically crossing steel strand wires 51 based on locating plate 23, be equivalent to establish the rectangular coordinate system on the position collar plate 21, through calculating the coordinate position of arbitrary stiffening anchor plate rag bolt 3 that can in this rectangular coordinate system, the traverse length of the centre of a circle of stiffening anchor plate rag bolt 3 and locating plate 23 promptly to can directly measure the distance of stiffening anchor plate rag bolt 3 and steel strand wires 51 and proofread the position of stiffening anchor plate rag bolt 3, also can be based on the center of cross locating wire (the position of setpoint) is confirmed fast to the traverse length, thereby makes the location installation of stiffening anchor plate rag bolt 3 and proofread all easier.

Preferably, a support plate 24 is arranged below the two turnbuckles 52, the upper surface of the support plate 24 abuts against the turnbuckles 52, and the support plate 24 is fixedly connected with the positioning ring plate 21.

For avoiding turn buckle 52 and adjustment unit to take place to interfere, turn buckle 52 is close to the inboard edge of position ring board 21 with the junction of position ring board 21, turn buckle 52 most is in unsettled state, when adjusting steel strand wires 51 through turn buckle 52, steel strand wires 51 rocks along with turn buckle 52 easily, make the adjustment difficult, set up backup pad 24 in turn buckle 52's below and provide the supporting role for turn buckle 52, thereby when adjusting the interval at turn buckle 52 both ends, great rocking can not appear in steel strand wires 51, make steel strand wires 51's installation simpler with the adjustment, save time.

Referring to fig. 2 and 4, preferably, the diameter of the positioning hole is larger than the diameter of the rod part of the anchor bolt 3 of the stiffening anchor plate, and the positioning ring plate 21 is provided with adjusting units corresponding to the positioning holes one by one; the adjusting unit comprises four adjusting nuts 41 uniformly distributed around the positioning hole, the axes of the adjusting nuts 41 are perpendicular to the axes of the positioning hole and intersect, the adjusting nuts 41 are fixedly connected with the positioning ring plate 21, adjusting bolts 42 penetrate through threaded holes of the adjusting nuts 41, and rod parts of the adjusting bolts 42 are abutted to rod parts of the stiffening anchor plate foundation bolts 3.

Because of receiving the influence of retaining ring board 21 and the influence of supporting ring board 22 roughness and cutting process locating hole precision, when a plurality of stiffening anchor board rag bolt 3 set up with a plurality of locating holes one-to-one, there is great error easily, so for improving the positioning accuracy to stiffening anchor board rag bolt 3, the diameter that sets up the locating hole is greater than the pole portion diameter of stiffening anchor board rag bolt 3, make the pole portion of stiffening anchor board rag bolt 3 pass after corresponding the locating hole, can advance the horizontal position of an adjustment stiffening anchor board rag bolt 3, ensure positioning accuracy, then fix stiffening anchor board rag bolt 3 through twisting adjusting bolt 42 in the adjustment unit, in order to guarantee that the position of stiffening anchor board rag bolt 3 can not change when follow-up pouring construction.

Referring to fig. 3, preferably, a magnetic line weight 6 is provided on the shaft of the anchor bolt 3 to calibrate the verticality of the anchor bolt 3.

The magnetic force end that the magnetic force line weighs down 6 adsorbs on the pole portion of anchor slab foundation bolt 3 of putting more energy into through magnetic force, weighs down 6 through setting up the magnetic force line, conveniently proofreads the straightness that hangs down of anchor slab foundation bolt 3 of putting more energy into to guarantee construction quality.

To facilitate understanding of the fixing structure of the present embodiment, the construction method of the fixing structure of the present embodiment is briefly described herein, and includes the following steps:

1) leveling a construction site, positioning and paying off according to design requirements, and fixedly placing a steel plate embedded part and a central embedded part;

2) pouring a cushion layer, after the cushion layer is solidified and molded, connecting a long upright post and a short upright post at the upper end of the steel plate embedded part extending out of the cushion layer, and connecting a central upright post at the upper end of the central embedded part extending out of the cushion layer;

3) according to construction requirements, arranging a positioning plate on a central upright post, welding a lower cross rod between two corresponding short upright posts and two corresponding long upright posts, installing a supporting ring plate on the lower cross rod and welding and fixing the supporting ring plate, welding an upper cross rod between two corresponding long upright posts, and installing a positioning ring plate on the upper cross rod and welding and fixing the positioning ring plate;

4) arranging steel strands on the positioning ring plate based on the circle center of the positioning plate, and measuring the positioning point of each stiffening anchor plate foundation bolt popped out on the positioning ring plate based on the steel strands;

5) cutting a positioning hole at the position of a positioning point on the positioning ring plate, enabling the rod part of the stiffening anchor plate foundation bolt to penetrate through the positioning hole from bottom to top, and enabling the anchor plate of the stiffening anchor plate foundation bolt to be abutted against the upper surface of the supporting ring plate;

6) the adjusting unit is arranged on the periphery of the positioning hole, the position of the foundation bolt of the stiffening anchor plate in the horizontal direction is corrected, and the verticality of the foundation bolt of the stiffening anchor plate is corrected by utilizing the magnetic line weight; then screwing four adjusting bolts to fix the positions of the foundation bolts of the stiffening anchor plate;

7) welding and connecting the adjusting bolt and the adjusting nut, and welding and connecting the anchor plate of the stiffening anchor plate foundation bolt and the support ring plate;

8) removing the magnetic line weight, installing a template (not shown in the figure) outside the fixed structure, and injecting concrete to complete the pouring of the concrete foundation;

this fixed knot constructs not only is used for the position of location and fixed stiffening anchor plate rag bolt when concrete placement, simultaneously as the inner structure of reinforceing concrete foundation intensity, when the diameter of proposing pre-buried stiffening anchor plate rag bolt circumference and distributing is great, for guaranteeing concrete foundation's structural strength, before pouring, still can be at this fixed knot structure's middle zone ligature steel reinforcement cage.

The fixing structure overcomes the defects of poor integrity and difficult adjustment caused by scattered installation and single positioning of foundation bolts in the traditional construction method by a comprehensive installation mode of integral support and integral positioning; compare in traditional rag bolt fixation rack can be better control rag bolt's position, can improve the installation accuracy, also can play better supporting effect, can strengthen rag bolt's wholeness, unified installation and correction, can to a great extent improve the efficiency of rag bolt installation.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (7)

1. The utility model provides a fixed knot of pre-buried stiffening anchor slab rag bolt constructs, includes the bed course, and the pre-buried a plurality of steel sheet built-in fittings that have in the bed course, the top of bed course is equipped with the stand that links to each other with the upper end one-to-one that the steel sheet built-in fitting extends the bed course upper surface, its characterized in that: the upright posts are arranged in two concentric circles at intervals and comprise inner circles and outer circles;

a horizontal positioning ring plate and a horizontal supporting ring plate are arranged above the cushion layer from top to bottom, the positioning ring plate and the horizontal supporting ring plate are both positioned between the inner circle of stand columns and the outer circle of stand columns, and each stand column supports and is connected with the positioning ring plate and the supporting ring plate; the vertical locating hole that has seted up a plurality of vertical penetrations of circumference equipartition is on the position ring board, is equipped with the anchor slab foundation bolt of putting more energy with the locating hole one-to-one on the support ring board, and the vertical locating hole that upwards passes corresponding and the screw thread section of anchor slab foundation bolt of putting more energy is higher than the position ring board in the pole portion of anchor slab foundation bolt of putting more energy, and the anchor slab of anchor slab foundation bolt of putting more energy is continuous with support ring board butt and welding.

2. The fixing structure of the embedded stiffening anchor plate anchor bolt according to claim 1, characterized in that: the upright columns are uniformly distributed on the inner ring and the outer ring, the quantity of the upright columns arranged on the inner ring and the outer ring is equal, and the upright columns are in one-to-one correspondence in the radial direction; lower cross rods are connected between two corresponding columns in the radial direction, and the supporting ring plates are arranged on the lower cross rods and are fixedly connected; the upright columns are divided into long upright columns and short upright columns, the long upright columns on the inner ring and the long upright columns on the outer ring are in one-to-one correspondence in the radial direction, the short upright columns on the inner ring and the short upright columns on the outer ring are in one-to-one correspondence in the radial direction, and one or a plurality of short upright columns are arranged between two adjacent long upright columns on the inner ring; the two radial corresponding long upright posts are connected with an upper cross rod, and the positioning ring plates are arranged on the upper cross rods and are fixedly connected.

3. The fixing structure of the embedded stiffening anchor plate anchor bolt according to claim 1, characterized in that: the inner side of the positioning ring plate is horizontally provided with a positioning plate concentric with the positioning ring plate, and the positioning plate is flush with the upper surface of the positioning ring plate; the lower part of the positioning plate is connected with a plurality of central upright posts, and the lower ends of the central upright posts are connected with a central embedded part embedded in the cushion layer.

4. The fixing structure of the embedded stiffening anchor plate anchor bolt according to claim 3, characterized in that: two perpendicularly crossed steel strands are arranged on the inner side of the positioning ring plate, the intersection point of the two steel strands is located at the circle center of the positioning plate, the end portions of the steel strands are connected with two turnbuckles in a Y-shaped mode, and the turnbuckles are hinged with the positioning ring plate.

5. The fixing structure of the embedded stiffening anchor plate anchor bolt according to claim 4, characterized in that: the lower of two turnbuckles is equipped with the backup pad, the upper surface and the turnbuckle butt of backup pad, backup pad and position ring board fixed connection.

6. The fixing structure of the embedded stiffening anchor plate anchor bolt according to claim 1, characterized in that: the diameter of the positioning hole is larger than that of the rod part of the foundation bolt of the stiffening anchor plate, and the positioning ring plate is provided with adjusting units which correspond to the positioning holes one by one; the adjusting unit comprises four adjusting nuts uniformly distributed around the positioning hole, the axes of the adjusting nuts are perpendicular to the axes of the positioning hole and intersect, the adjusting nuts are fixedly connected with the positioning ring plate, adjusting bolts penetrate through threaded holes of the adjusting nuts, and rod portions of the adjusting bolts are abutted to rod portions of the stiffening anchor plate foundation bolts.

7. The fixing structure of the embedded stiffening anchor plate anchor bolt according to claim 6, characterized in that: and the rod part of the stiffening anchor plate foundation bolt is provided with a magnetic line weight for calibrating the verticality of the stiffening anchor plate foundation bolt.

Images