CN109945019B - Temporary fixing device for foundation bolt with reserved hole and using method of temporary fixing device - Google Patents
Temporary fixing device for foundation bolt with reserved hole and using method of temporary fixing device Download PDFInfo
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- CN109945019B CN109945019B CN201711396862.0A CN201711396862A CN109945019B CN 109945019 B CN109945019 B CN 109945019B CN 201711396862 A CN201711396862 A CN 201711396862A CN 109945019 B CN109945019 B CN 109945019B
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Abstract
The invention relates to the field of clamping parts in holes or clamping parts on the back of a wall after the parts are inserted from the front, in particular to a temporary fixing device for a foundation bolt with a reserved hole and a using method of the temporary fixing device. The utility model provides a temporary fixing device of preformed hole rag bolt, includes base (1) and equipment bottom plate (2), characterized by: the positioning device further comprises at least two centering hooks (4), the centering hooks (4) are embedded in a gap between the foundation bolt (31) and the positioning hole (21) through clamping edges (42), and the flanges (41) of the centering hooks (4) are lined between the gasket (31) and the equipment floor (2). A use method of a temporary fixing device for a foundation bolt with a reserved hole is characterized by comprising the following steps: the method is implemented in sequence as follows: presetting; centering; coarse adjustment; fourthly, fine adjustment. The invention has the beneficial effects that: simple structure, convenient use, low cost, guaranteed quality and wide application range.
Description
Technical Field
The invention relates to the field of clamping parts in holes or clamping parts on the back of a wall after the parts are inserted from the front, in particular to a temporary fixing device for a foundation bolt with a reserved hole and a using method of the temporary fixing device.
Background
In the process of equipment installation, the installation form of the foundation bolts with the reserved holes is frequently met, and the equipment installation is completed through the steps of penetrating the foundation bolts into bolt holes of an equipment base when the equipment is in place, inserting the tail parts of the bolts into the reserved foundation bolt holes, and performing temporary centering (coarse adjustment) → foundation bolt grouting → final centering (fine adjustment) → equipment bottom plate grouting. Because during coarse adjustment, the foundation bolt is movably hung on the equipment bottom plate, a certain gap is reserved between the bolt hole on the bottom plate and the bolt, the gap is ensured to be uniform during operation, so that the foundation bolt is prevented from being out of plumb and tightly against the hole wall on one side when the equipment is in grouting, the equipment is difficult to move towards a certain direction, and fine adjustment is difficult. At present, a method of winding a plurality of layers of plastic films or other similar materials on the neck of a bolt rod is often adopted in construction, and the method has the advantages of inaccurate positioning, easy falling and no due effect.
Disclosure of Invention
The invention discloses a temporary fixing device for foundation bolts with reserved holes and a using method thereof, aiming at overcoming the defects of the prior art and providing a positioning piece which is simple in structure, convenient to use, low in cost and capable of ensuring quality.
The invention achieves the purpose by the following technical scheme:
the utility model provides a temporary fixing device of preformed hole rag bolt, includes base and equipment bottom plate, is equipped with the base hole on the base, is equipped with the locating hole on the equipment bottom plate, and the nut cover is established in the locating hole in to rag bolt's one end, and is lined with the gasket between nut and the equipment bottom plate, and the equipment bottom plate is located on the base through the stabilizer blade, and the locating hole is located directly over the base hole, and rag bolt's the other end is the nut end promptly and stretches in the base hole, characterized by: the centering hook is composed of a flange and clamping edges, the flange is an Contraband-shaped groove, two ends of a notch of the flange are respectively and vertically connected with the two clamping edges, the two clamping edges are parallel to each other and are arranged on the same side of a plane of the notch of the flange, and the plane of the notch of the flange is vertical to the plane of the clamping edges;
well colluding inlays in the clearance between rag bolt and locating hole through the card limit, and well flange lining of colluding is between gasket and equipment floor, and well each card limit of colluding is around rag bolt evenly distributed.
The temporary fixing device for the foundation bolt with the reserved hole is characterized in that:
the bottom of the groove of the centering hook flange and the notch part form an obtuse included angle of 135-175 degrees, and the bottom of the groove of the flange is inclined upwards;
if the pitch diameter of the anchor bolt screw is a, the aperture of the positioning hole is b, and the outer diameter of the clamping edge is c, c =1/2 (b-a).
The using method of the temporary fixing device for the foundation bolt with the reserved hole is characterized by comprising the following steps: the method is implemented in sequence as follows:
presetting: arranging an equipment bottom plate on a base through a support leg, enabling a positioning hole to be arranged right above a base hole, sleeving one end of an anchor bolt in the positioning hole through a nut, lining a gasket between the nut and the equipment bottom plate, and extending the other end of the anchor bolt, namely a nut end, into the base hole;
centering: embedding at least two centering hooks in a gap between the foundation bolt and the positioning hole through clamping edges, and lining the flanges of the centering hooks between the gasket and the equipment floor to enable the clamping edges of the centering hooks to be evenly distributed around the foundation bolt;
third, coarse adjustment: coarse adjusting equipment, checking and adjusting the position of the centering hook again after the completion of the coarse adjusting equipment, enabling the centering hook to keep the uniform distribution of all clamping edges around the foundation bolt, and then pouring concrete grout;
fourthly, fine adjustment: and after the poured concrete slurry reaches the designed strength, loosening the nut, taking out the centering hook and finely adjusting the equipment.
According to the invention, the centering hook is inserted into the gap between the foundation bolt and the positioning hole, so that the verticality and the surrounding gap uniformity of the foundation bolt are ensured, a margin is left for fine adjustment of equipment, and the problems that the foundation bolt is close to the positioning hole wall of the equipment to influence the fine adjustment of the equipment and the like are solved. The centering hook can be made of iron wires bent by using sharp nose pliers according to the difference value between the diameter of the foundation bolt and the aperture of the positioning hole, the materials are easy to obtain, the processing is simple, the centering hook can be repeatedly used for multiple times, time, labor and force are saved, the construction quality is guaranteed, the construction efficiency is greatly improved, and the centering hook is also suitable for other occasions needing bolt centering and has a wide application range.
The invention has the beneficial effects that: simple structure, convenient use, low cost, guaranteed quality and wide application range.
Drawings
FIG. 1 is a schematic structural view of a centering hook according to the present invention;
FIG. 2 is a schematic cross-sectional view of the invention after centering has been completed;
FIG. 3 is a schematic cross-sectional view of the present invention after coarse tuning has been completed and the anchor bolt holes have been filled;
FIG. 4 is a schematic cross-sectional view of the invention after finishing and grouting the foundation bolt holes.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A temporary fixing device for an anchor bolt with a reserved hole comprises a base 1, an equipment bottom plate 2 and two centering hooks 4, and is specifically structured as shown in figures 1 and 2:
a base hole 11 is formed in the base 1, a positioning hole 21 is formed in the equipment bottom plate 2, one end of the foundation bolt 31 is sleeved in the positioning hole 21 through a nut 32, a gasket 33 is lined between the nut 32 and the equipment bottom plate 2, the equipment bottom plate 2 is arranged on the base 1 through a support leg 22, the positioning hole 21 is arranged right above the base hole 11, and the other end of the foundation bolt 31, namely a nut end, extends into the base hole 11;
centering hook 4 is shown in fig. 1: the centering hook 4 is composed of a rib 41 and a clamping edge 42, the rib 41 is an Contraband-shaped groove, two ends of the notch of the rib 41 are respectively and vertically connected with the two clamping edges 42, the two clamping edges 42 are parallel to each other and are arranged on the same side of the plane of the notch of the rib 41, and the plane of the notch of the rib 41 is vertical to the plane of the clamping edge 42;
the centering hook 4 is embedded in the gap between the anchor bolt 31 and the positioning hole 21 through clamping edges 42, the flanges 41 of the centering hook 4 line the gap between the spacer 31 and the equipment floor 2, and the clamping edges 42 of the centering hook 4 are evenly distributed around the anchor bolt 31.
In this embodiment:
the bottom of the groove of the retaining edge 41 of the centering hook 4 and the notch part form an obtuse included angle of 135-175 degrees, and the bottom of the groove of the retaining edge 41 is inclined upwards;
if the pitch diameter of the screw of the anchor bolt 31 is a, the diameter of the positioning hole 21 is b, and the outer diameter of the clamping edge is c, c =1/2 (b-a).
When the embodiment is used, the following steps are sequentially carried out:
presetting: arranging the equipment bottom plate 2 on the base 1 through the support legs 22, enabling the positioning hole 21 to be arranged right above the base hole 11, sleeving one end of the foundation bolt 31 in the positioning hole 21 through the nut 32, lining a gasket 33 between the nut 32 and the equipment bottom plate 2, and extending the other end, namely the nut end, of the foundation bolt 31 into the base hole 11;
centering: as shown in fig. 2: embedding two centering hooks 4 in a gap between the foundation bolt 31 and the positioning hole 21 through clamping edges 42, wherein the flanges 41 of the centering hooks 4 are lined between the gasket 31 and the equipment floor 2, so that the clamping edges 42 of the centering hooks 4 are evenly distributed around the foundation bolt 31;
third, coarse adjustment: rough adjustment equipment, which checks and adjusts the position of the centering hook 4 again after the completion so that the centering hook 4 keeps the uniform distribution of the clamping edges 42 around the foundation bolt 31, and then pours concrete grout 5 as shown in fig. 3;
fourthly, fine adjustment: after the poured concrete grout 5 reaches the designed strength, the nut 32 is loosened, the centering hook 4 is taken out, the equipment is finely adjusted, and the concrete grout 5 is poured between the equipment bottom plate 2 and the base 1 again after the fine adjustment is qualified, as shown in fig. 4.
Claims (2)
1. The utility model provides a preformed hole rag bolt's interim fixing device, including base (1) and equipment bottom plate (2), be equipped with basic hole (11) on base (1), be equipped with locating hole (21) on equipment bottom plate (2), the one end of rag bolt (31) is passed through nut (32) cover and is established in locating hole (21), be lined with gasket (33) between nut (32) and equipment bottom plate (2), equipment bottom plate (2) are located base (1) through stabilizer blade (22), and locating hole (21) are located directly over basic hole (11), the other end of rag bolt (31) is the nut end promptly and stretches in basic hole (11), characterized by: the centering hook (4) is composed of a flange (41) and clamping edges (42), the flange (41) is an Contraband-shaped groove, two ends of a notch of the flange (41) are respectively and vertically connected with the two clamping edges (42), the two clamping edges (42) are parallel to each other and are arranged on the same side of a plane at the notch of the flange (41), and the plane at the notch of the flange (41) is vertical to the plane of the clamping edges (42);
the centering hook (4) is embedded in a gap between the foundation bolt (31) and the positioning hole (21) through clamping edges (42), a flange (41) of the centering hook (4) is lined between the gasket (33) and the equipment bottom plate (2), and the clamping edges (42) of the centering hook (4) are evenly distributed around the foundation bolt (31);
the bottom of the groove of the retaining edge (41) of the centering hook (4) and the notch part form an obtuse angle of 135-175 degrees, and the bottom of the groove of the retaining edge (41) is obliquely upward;
c =1/2(b-a) when the pitch diameter of the screw of the anchor bolt (31) is a, the aperture of the positioning hole (21) is b, and the outer diameter of the clamping edge is c.
2. The method for using a temporary fixing apparatus for a pre-bored anchor bolt according to claim 1, wherein: the method is implemented in sequence as follows:
presetting: the method comprises the following steps that an equipment bottom plate (2) is arranged on a base (1) through a supporting leg (22), a positioning hole (21) is arranged right above a base hole (11), one end of an anchor bolt (31) is sleeved in the positioning hole (21) through a nut (32), a gasket (33) is lined between the nut (32) and the equipment bottom plate (2), and the other end of the anchor bolt (31), namely a nut end, extends into the base hole (11);
centering: embedding at least two centering hooks (4) in a gap between the foundation bolt (31) and the positioning hole (21) through clamping edges (42), wherein the flanges (41) of the centering hooks (4) are lined between the gasket (33) and the equipment bottom plate (2), and the clamping edges (42) of the centering hooks (4) are evenly distributed around the foundation bolt (31);
third, coarse adjustment: coarse adjusting equipment, checking and adjusting the position of the centering hook (4) again after the equipment is adjusted, enabling the centering hook (4) to keep the clamping edges (42) evenly distributed around the foundation bolt (31), and then pouring concrete grout (5);
fourthly, fine adjustment: after the poured concrete grout (5) reaches the designed strength, the nut (32) is loosened, the centering hook (4) is taken out, and the equipment is finely adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396862.0A CN109945019B (en) | 2017-12-21 | 2017-12-21 | Temporary fixing device for foundation bolt with reserved hole and using method of temporary fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396862.0A CN109945019B (en) | 2017-12-21 | 2017-12-21 | Temporary fixing device for foundation bolt with reserved hole and using method of temporary fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109945019A CN109945019A (en) | 2019-06-28 |
| CN109945019B true CN109945019B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711396862.0A Active CN109945019B (en) | 2017-12-21 | 2017-12-21 | Temporary fixing device for foundation bolt with reserved hole and using method of temporary fixing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113700317B (en) * | 2021-08-27 | 2022-09-27 | 中国二十二冶集团有限公司 | Bolt positioning method for avoiding fitting of bolt and bolt hole wall |
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| CN109945019A (en) | 2019-06-28 |
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