CN217782928U - Foundation bolt positioning structure and foundation bolt assembly - Google Patents

Abstract

The utility model provides a rag bolt's location structure and rag bolt subassembly, wherein, rag bolt's location structure includes: the first positioning ring plate comprises a first ring plate body and a plurality of first convex teeth arranged on the inner side of the first ring plate body, the first convex teeth are arranged at intervals along the circumferential direction of the first ring plate body, and each first convex tooth is provided with a first positioning hole; the second positioning ring plate comprises a second ring plate body and a plurality of second convex teeth arranged on the outer side of the second ring plate body, the outer diameter of the second ring plate body is smaller than the inner diameter of the first ring plate body, the second convex teeth are arranged at intervals along the circumferential direction of the second ring plate body, a second positioning hole is formed in each second convex tooth, and the second positioning ring plate is configured to be capable of being in butt-inserting fit with the first positioning ring plate. The technical scheme of this application has solved the not firm problem of bonding between the concrete among the correlation technique effectively.

Description

Foundation bolt positioning structure and foundation bolt assembly

Technical Field

The utility model relates to an overhead transmission line field particularly, relates to a rag bolt's location structure and rag bolt subassembly.

Background

In an overhead transmission line, a steel pipe rod and a pouring foundation thereof are two parts which are most commonly used, and the steel pipe rod and the pouring foundation are connected through a root flange plate of the steel pipe rod by adopting foundation bolts.

The foundation bolt can be directly poured inside the pouring foundation in the pouring stage of the pouring foundation, and when the steel pipe pole is assembled later, the root flange plate below the steel pipe pole is sleeved with the foundation bolt to expose the part of the pouring foundation. In this process, the diameter of the circle on which the anchor bolts are located needs to be the same as the diameter of the circle on which the anchor bolt holes in the root flange plate are located. If the diameters of the two steel pipes are not consistent, the assembly of the subsequent steel pipe rods is influenced.

In the related art, in the construction process of a pouring stage of a pouring foundation, an upper positioning plate and a lower positioning plate are combined for positioning foundation bolts. As shown in fig. 1, the upper positioning plate 1 and the lower positioning plate are made of steel plates with the same annular structure. The number of the circular screw holes in the upper positioning plate 1 and the lower positioning plate is the same as that of the foundation bolts, the diameter of the circle where the screw hole is located is completely the same as that of the circle where the foundation bolt hole is located and that of the circle where the foundation bolt is located on the root flange plate, and therefore the accuracy of connection can be guaranteed.

In the correlation technique, last locating plate and lower locating plate all pour inside the foundation of pouring, and last locating plate and lower locating plate all separate its above-mentioned concrete with following concrete, because the area of respective annular face (this annular face is the sum of upper surface and lower surface) is great, occupy the space that bonds between the too much concrete for carry out firm volume that bonds between the concrete and reduce, make the bonding between the concrete insecure, leave the potential safety hazard easily.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a rag bolt's location structure and rag bolt subassembly to solve the insecure problem of bonding between the concrete among the correlation technique.

In order to achieve the above object, according to an aspect of the present invention, there is provided a positioning structure of a foundation bolt, comprising: the first positioning ring plate comprises a first ring plate body and a plurality of first convex teeth arranged on the inner side of the first ring plate body, the plurality of first convex teeth are arranged at intervals along the circumferential direction of the first ring plate body, and each first convex tooth is provided with a first positioning hole; the second positioning ring plate comprises a second ring plate body and a plurality of second convex teeth arranged on the outer side of the second ring plate body, the outer diameter of the second ring plate body is smaller than the inner diameter of the first ring plate body, the second convex teeth are arranged at intervals along the circumferential direction of the second ring plate body, a second positioning hole is formed in each second convex tooth, the second positioning ring plate is configured to be capable of being in butt-inserting fit with the first positioning ring plate, and the second convex teeth of the second positioning ring plate are configured to be capable of being inserted between two first convex teeth of the first positioning ring plate.

Further, when the positioning structure of the foundation bolt comprises the first positioning ring plate, the plurality of first convex teeth are arranged at equal intervals along the circumferential direction of the first ring plate body.

Further, the side of at least one first convex tooth is including the concave section in first concave section, first evagination section and the second that connect gradually, and the concave section in first concave section and the second all connects in the medial surface of first crown plate body.

Further, the first concave section, the first convex section and the second concave section are all arc-shaped, and the arc length of the cross section of the first concave section and the arc length of the cross section of the second concave section are both smaller than the arc length of the cross section of the first convex section.

Further, when the positioning structure of the foundation bolt comprises the second positioning ring plate, the plurality of second convex teeth are arranged at equal intervals along the circumferential direction of the second ring plate body.

Further, the side of at least one second dogtooth is including the third interior concave section, the second is concave section and the fourth interior concave section that connect gradually, and the third is concave section and the fourth is concave section and is all connected in the lateral surface of second crown plate body.

Furthermore, the third concave section, the second convex section and the fourth concave section are all arc-shaped, and the arc length of the cross section of the third concave section and the arc length of the cross section of the fourth concave section are both smaller than the arc length of the cross section of the second convex section.

Further, when the positioning structure of the foundation bolt comprises the first positioning ring plate and the second positioning ring plate, the thickness of the first ring plate body is equal to that of the first convex teeth, the thickness of the first convex teeth is equal to that of the second convex teeth, and the thickness of the second convex teeth is equal to that of the second ring plate body.

Further, one of the plurality of first lobes is located between two adjacent ones of the plurality of second lobes; the diameter of a circle where the centers of the first positioning holes are located is equal to the diameter of a circle where the centers of the second positioning holes are located.

According to the utility model discloses an on the other hand provides a rag bolt subassembly, include a plurality of rag bolts and be used for carrying out the location structure of fixing a position to a plurality of rag bolts, location structure is foretell rag bolt's location structure.

Use the technical scheme of the utility model, rag bolt's location structure includes: the first retaining ring plate and/or the second retaining ring plate. The first positioning ring plate comprises a first ring plate body and a plurality of first convex teeth arranged on the inner side of the first ring plate body, the first convex teeth are arranged at intervals along the circumferential direction of the first ring plate body, and each first convex tooth is provided with a first positioning hole. The second positioning ring plate comprises a second ring plate body and a plurality of second convex teeth arranged on the outer side of the second ring plate body, the outer diameter of the second ring plate body is smaller than the inner diameter of the first ring plate body, the second convex teeth are arranged at intervals along the circumferential direction of the second ring plate body, and each second convex tooth is provided with a second positioning hole. The second positioning ring plate is configured to be capable of being matched with the first positioning ring plate in an opposite insertion mode, and the second convex teeth of the second positioning ring plate are configured to be capable of being inserted between the two first convex teeth of the first positioning ring plate. Therefore, the first positioning ring plate and the second positioning ring plate of the application of the upper positioning plate or the lower positioning plate processing cost in the related technology can be directly disassembled into two parts, and the first positioning ring plate and the second positioning ring plate are two parts disassembled from the upper positioning plate or the lower positioning plate in the related technology, so that the cost can be reduced. The first positioning ring plate and/or the second positioning ring plate can be poured inside the pouring foundation, or one of the first positioning ring plate and the second positioning ring plate can be poured inside the pouring foundation, and the other of the first positioning ring plate and the second positioning ring plate is located outside the pouring foundation. When only the first positioning ring plate is used, the area of the sum of the upper surface of the first ring plate body and the upper surfaces of the first convex teeth is smaller than the area of the upper surface of the upper positioning plate or the upper surface of the lower positioning plate in the related art, the area of the upper surface of the upper positioning plate in the related art is reduced, and then the space for bonding between the concrete occupied by the first positioning ring plate is reduced. In the same way, when only the second positioning ring plate is used, the space occupied by the second positioning ring plate for bonding between the concrete can be reduced. Similarly, when the first positioning ring plate and the second positioning ring plate are used simultaneously, the first positioning ring plate can replace a lower positioning plate in the related art, the second positioning ring plate can replace an upper positioning plate in the related art, and the space for bonding between the concrete occupied by the first positioning ring plate and the second positioning ring plate can be reduced. Therefore, the quantity of the concrete which is firmly bonded is increased, the bonding between the concrete is firm, and the potential safety hazard is effectively reduced. Therefore, the technical scheme of the application can solve the problem that bonding between concrete in the related art is not firm.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 is a schematic top view of an upper positioning plate in the related art;

FIG. 2 shows a schematic top view of an embodiment of a positioning structure for an anchor bolt according to the present invention, the second retainer ring plate being configured to mate with the first retainer ring plate in an interdigitating manner;

FIG. 3 is an enlarged schematic view of the positioning structure of an anchor bolt of FIG. 2 at A;

FIG. 4 is a perspective view of a first retaining ring plate of the retaining structure of an anchor bolt of FIG. 2;

FIG. 5 shows a schematic top view of the first retaining ring plate of FIG. 4;

FIG. 6 shows an enlarged schematic view at B of the first retaining ring plate of FIG. 5;

FIG. 7 is a perspective view of a second retainer plate of the retaining structure of an anchor bolt of FIG. 2;

FIG. 8 shows a schematic top view of the second retaining ring plate of FIG. 7;

FIG. 9 shows an enlarged schematic view at C of the second retainer ring plate of FIG. 8;

FIG. 10 shows a schematic side view of an embodiment of an anchor bolt assembly according to the present invention;

FIG. 11 shows a partial schematic construction of the anchor bolt assembly of FIG. 10.

Wherein the figures include the following reference numerals:

1. an upper annular plate; 10. a first retaining ring plate; 11. a first ring plate body; 12. a first lobe; 121. a first concave section; 122. a first convex section; 123. a second concave section; 13. a first positioning hole; 20. a second positioning ring plate; 21. a second ring plate body; 22. a second lobe; 221. a third concave section; 222. a second convex section; 223. a fourth concave section; 23. a second positioning hole; 30. a foundation bolt; 40. and pouring the top surface of the foundation.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 11, the positioning structure of the anchor bolt of the present embodiment includes: a first retaining ring plate 10 and a second retaining ring plate 20. The first positioning ring plate 10 includes a first ring plate body 11 and a plurality of first convex teeth 12 arranged on the inner side of the first ring plate body 11, the plurality of first convex teeth 12 are arranged at intervals along the circumferential direction of the first ring plate body 11, and each first convex tooth 12 is provided with a first positioning hole 13. The second positioning ring plate 20 includes a second ring plate body 21 and a plurality of second protruding teeth 22 disposed outside the second ring plate body 21, an outer diameter of the second ring plate body 21 is smaller than an inner diameter of the first ring plate body 11, the plurality of second protruding teeth 22 are arranged at intervals along a circumferential direction of the second ring plate body 21, and each second protruding tooth 22 is provided with a second positioning hole 23, so that each anchor bolt can be inserted into the first positioning hole 13 of each first protruding tooth 12 and the second positioning hole 23 of each second protruding tooth 22. In the present embodiment, the second retainer plate 20 is configured to be capable of being fitted with the first retainer plate 10 in an opposite insertion manner, and the second teeth 22 of the second retainer plate 20 are configured to be capable of being inserted between the two first teeth 12 of the first retainer plate 10.

With the solution of the present embodiment, the second positioning ring plate 20 is configured to be capable of being fitted with the first positioning ring plate 10 in an opposite insertion manner, and the second teeth 22 of the second positioning ring plate 20 are configured to be capable of being inserted between the two first teeth 12 of the first positioning ring plate 10. In this way, the upper positioning plate or the lower positioning plate in the related art can be processed into the first positioning ring plate 10 and the second positioning ring plate 20 of the embodiment, one piece is directly disassembled into two pieces, and the first positioning ring plate 10 and the second positioning ring plate 20 are two parts of the upper positioning plate or the lower positioning plate in the related art, so that the cost can be reduced. The first retaining ring plate 10 may be used to cast inside a casting foundation and the second retaining ring plate 20 may be used to cast outside the casting foundation (e.g., above the top surface 40 of the casting foundation). When only the first retainer plate 10 is used, the area of the sum of the upper surface of the first plate body 11 and the upper surfaces of the first protruding teeth 12 is smaller than the area of the upper surface of the upper retainer plate or the lower retainer plate in the related art, which reduces the area of the upper surface of the upper retainer plate in the related art, and further reduces the space occupied by the first retainer plate 10 for bonding between the concrete. Similarly, when only the second retainer ring plate 20 is used, the space occupied by the second retainer ring plate 20 for bonding between the concrete can be reduced. Similarly, when the first positioning ring plate 10 and the second positioning ring plate 20 are used simultaneously, the first positioning ring plate 10 can replace a lower positioning plate in the related art, and the second positioning ring plate 20 can replace an upper positioning plate in the related art, so that the space for bonding between the concrete occupied by the first positioning ring plate 10 and the second positioning ring plate 20 can be reduced. Therefore, the quantity of the concrete which is firmly bonded is increased, the bonding between the concrete is firm, and the potential safety hazard is effectively reduced. Therefore, the technical scheme of the embodiment can solve the problem of weak bonding between concretes in the related art.

The above "arrangement" means that the second positioning ring plate 20 and the first positioning ring plate 10 are not used in cooperation, and only means that when one piece is disassembled into two pieces, the second positioning ring plate 20 and the first positioning ring plate 10 can be inserted and matched in shape. Similarly, the second protruding teeth 22 of the second positioning ring plate 20 can be inserted between two first protruding teeth 12 of the first positioning ring plate 10.

In the related art, the upper positioning plate and the lower positioning plate have the same size, and two steel plates are required to be consumed during processing, so that the cost is high. Like this, this embodiment rag bolt's location structure's simple structure, the size is little, light in weight, and it is convenient to use, easily standardization.

In the related art, the upper positioning plate and the lower positioning plate are made of steel, the time is long, and after rusting, the upper positioning plate or the lower positioning plate is bonded with concrete insecurely and is easy to separate. In this embodiment, the first positioning ring plate 10 and the second positioning ring plate 20 are both made of stainless steel, one first positioning ring plate 10 is used for being poured inside the pouring foundation, the second positioning ring plate 20 is located outside the pouring foundation (for example, above the top surface 40 of the pouring foundation), at this time, the volume of the first positioning ring plate 10 inside the pouring foundation is only 1/4 of the sum of the volumes of the upper positioning plate and the lower positioning plate in the related technology, the areas of the upper surfaces of the upper positioning plate and the lower positioning plate in the related technology are greatly reduced, the space occupied by the first positioning ring plate for bonding between the concretes is further reduced, the amount for firmly bonding between the concretes becomes larger, the bonding between the concretes is firmer, the concretes are not easy to separate, and the occurrence of potential safety hazards is further reduced.

Of course, in the embodiment not shown in the drawings, the first and/or second retainer ring plates may be cast inside the casting base, and the second retainer ring plate may also be cast inside the casting base, with the first retainer ring plate being located outside the casting base, such as above the top surface of the casting base.

As shown in fig. 4 to 6, in order to facilitate the process, when the anchor structure of the anchor bolt includes the first anchor ring 10, the plurality of first protrusions 12 are arranged at equal intervals in the circumferential direction of the first ring body 11.

As shown in fig. 4 to 6, for convenience of processing and disassembly, the side surface of each first tooth 12 includes a first concave section 121, a first convex section 122 and a second concave section 123 which are connected in sequence, and the first concave section 121 and the second concave section 123 are both connected to the inner side surface of the first annular plate body 11.

As shown in fig. 4 to 6, in order to ensure the structural strength of each first tooth 12 itself, the first concave section 121, the first convex section 122, and the second concave section 123 are all arc-shaped, and the arc length of the cross section of the first concave section 121 and the arc length of the cross section of the second concave section 123 are both smaller than the arc length of the cross section of the first convex section 122.

As shown in fig. 7 to 9, in order to facilitate the process, when the positioning structure of the kingbolt includes the second positioning ring plate 20, the plurality of second protrusions 22 are arranged at equal intervals in the circumferential direction of the second ring plate body 21.

As shown in fig. 7 to 9, for convenience of processing and disassembly, the side surface of each second convex tooth 22 includes a third concave section 221, a second convex section 222 and a fourth concave section 223 which are connected in sequence, and the third concave section 221 and the fourth concave section 223 are connected to the outer side surface of the second annular plate body 21.

As shown in fig. 7 to 9, in order to ensure the structural strength of each second convex tooth 22 itself, the third concave section 221, the second convex section 222, and the fourth concave section 223 are all arc-shaped, and the arc length of the cross section of the third concave section 221 and the arc length of the cross section of the fourth concave section 223 are both smaller than the arc length of the cross section of the second convex section 222.

As shown in fig. 2 to 9, in order to facilitate the process, when the anchor structure of the anchor bolt includes the first and second anchor ring plates 10 and 20, the thickness of the first ring plate body 11 is equal to the thickness of the first tooth 12. The thickness of the first convex teeth 12 is equal to that of the second convex teeth 22, and the thickness of the second convex teeth 22 is equal to that of the second ring plate body 21.

As shown in fig. 2-9, for ease of manufacturing and assembly, one first tooth 12 of the plurality of first teeth 12 is positioned between two adjacent second teeth 22 of the plurality of second teeth 22. The diameter of the circle on which the centers of the first positioning holes 13 are located is equal to the diameter of the circle on which the centers of the second positioning holes 23 are located.

The present application further provides a foundation bolt assembly, as shown in fig. 10 and 11, the foundation bolt assembly of this embodiment includes a plurality of foundation bolts 30 and a positioning structure for positioning the foundation bolts 30, and the positioning structure is the positioning structure of the foundation bolts described above. Since the positioning structure of the anchor bolt can solve the problem of weak bonding between concretes in the related art, the anchor bolt assembly having the positioning structure can solve the same technical problem.

When the foundation bolts 30 are positioned, the first retainer ring plate 10 is installed at the lower portion of the foundation bolt and fixed by using a nut in the related art, and the second retainer ring plate 20 is installed at the upper portion of the foundation bolt (above the casting foundation top surface 40) and fixed by using a nut in the related art. And after concrete is poured and maintenance is finished, the second positioning ring plate 20 is dismantled, and the steel pipe pole is assembled.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A location structure of rag bolt, its characterized in that includes:

the positioning device comprises a first positioning ring plate (10) and/or a second positioning ring plate (20), wherein the first positioning ring plate (10) comprises a first ring plate body (11) and a plurality of first convex teeth (12) arranged on the inner side of the first ring plate body (11), the first convex teeth (12) are arranged at intervals along the circumferential direction of the first ring plate body (11), and each first convex tooth (12) is provided with a first positioning hole (13);

the second positioning ring plate (20) comprises a second ring plate body (21) and a plurality of second convex teeth (22) arranged on the outer side of the second ring plate body (21), the outer diameter of the second ring plate body (21) is smaller than the inner diameter of the first ring plate body (11), the second convex teeth (22) are arranged at intervals along the circumferential direction of the second ring plate body (21), each second convex tooth (22) is provided with a second positioning hole (23),

wherein the second positioning ring plate (20) is configured to be capable of mating with the first positioning ring plate (10) in a mating manner, and the second lobes (22) of the second positioning ring plate (20) are configured to be capable of being inserted between two of the first lobes (12) of the first positioning ring plate (10).

2. The positioning structure of an anchor bolt according to claim 1, wherein when the positioning structure of an anchor bolt comprises the first positioning ring plate (10), the plurality of first lugs (12) are equally spaced apart in a circumferential direction of the first ring plate body (11).

3. The positioning structure of an anchor bolt according to claim 2, wherein the side surface of at least one of the first male teeth (12) includes a first female section (121), a first male section (122) and a second female section (123) which are connected in this order, and the first female section (121) and the second female section (123) are connected to the inner side surface of the first ring plate body (11).

4. The positioning structure of an anchor bolt according to claim 3, wherein the first concave section (121), the first convex section (122) and the second concave section (123) are each arc-shaped, and an arc length of a cross section of the first concave section (121) and an arc length of a cross section of the second concave section (123) are each smaller than an arc length of a cross section of the first convex section (122).

5. The positioning structure of an anchor bolt according to claim 1, wherein when the positioning structure of an anchor bolt comprises the second retainer ring plate (20), a plurality of the second lugs (22) are arranged at equal intervals in the circumferential direction of the second ring plate body (21).

6. The positioning structure of an anchor bolt according to claim 5, wherein the side surface of at least one of the second convex teeth (22) includes a third concave section (221), a second convex section (222), and a fourth concave section (223) which are connected in this order, and the third concave section (221) and the fourth concave section (223) are each connected to the outer side surface of the second ring plate body (21).

7. The positioning structure of an anchor bolt according to claim 6, wherein the third concave section (221), the second convex section (222), and the fourth concave section (223) are each arc-shaped, and an arc length of a cross section of the third concave section (221) and an arc length of a cross section of the fourth concave section (223) are each smaller than an arc length of a cross section of the second convex section (222).

8. The positioning structure of an anchor bolt according to claim 1, wherein when the positioning structure of an anchor bolt comprises the first and second positioning ring plates (10, 20), the thickness of the first ring plate body (11) is equal to the thickness of the first projecting tooth (12), the thickness of the first projecting tooth (12) is equal to the thickness of the second projecting tooth (22), and the thickness of the second projecting tooth (22) is equal to the thickness of the second ring plate body (21).

9. The positioning structure of an anchor bolt according to claim 8, wherein one first tooth (12) of a plurality of first teeth (12) is located between adjacent two second teeth (22) of a plurality of second teeth (22); the diameter of a circle with a plurality of centers of the first positioning holes (13) is equal to the diameter of a circle with a plurality of centers of the second positioning holes (23).

10. An anchor bolt assembly comprising a plurality of anchor bolts (30) and a locating formation for locating a plurality of said anchor bolts (30), characterised in that the locating formation is an anchor bolt locating formation according to any one of claims 1 to 9.

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