CN109877764B - Anchoring method of expansion bolt on building wall - Google Patents
Anchoring method of expansion bolt on building wall Download PDFInfo
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- CN109877764B CN109877764B CN201910213997.1A CN201910213997A CN109877764B CN 109877764 B CN109877764 B CN 109877764B CN 201910213997 A CN201910213997 A CN 201910213997A CN 109877764 B CN109877764 B CN 109877764B
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Abstract
The invention discloses an anchoring method of an expansion bolt on a building wall, which comprises the following steps: taking an expansion screw rod only sleeved with an expansion pipe, sleeving the end of a telescopic jacking sleeve on the end part of a screw rod of the expansion screw rod, sleeving a locking nut on the expansion screw rod, enabling the end of the locking nut to abut against the end of the expansion pipe, then inserting an expansion bolt into a drill hole, aligning the expansion screw rod, enabling a jacking ring disc to abut against a wall surface, outwards pressing by using a handle rod, enabling a compression gear to rotate around a rotating shaft on a compression gear mounting lug boss by adopting two handle rods, driving an outer rack spanner to slide in a ring disc groove and a sleeve open groove through meshing connection by the compression gear, and driving the telescopic jacking sleeve to extend and jack on the expansion pipe, enabling the expansion pipe to be cracked and supported in the drill hole, thereby primarily anchoring the expansion bolt in the drill hole.
Description
Technical Field
The invention relates to the technical field of building wall nails, in particular to an anchoring method of expansion bolts on a building wall.
Background
People can use expansion bolts when decorating houses and installing water and electricity, the existing commonly used expansion bolts are shown in figure 1, the expansion bolts generally comprise two parts, namely a movable expansion screw rod and a fixed expansion pipe, the two parts move relatively under the action of external force, so that the fixed expansion pipe is locally deformed, the volume is enlarged and becomes larger than the inner diameter of a hole, thereby generating locking force, the situation that the diameter of an inner arm of a prefabricated hole is too much larger than the outer diameter of the expansion pipe frequently occurs in the use process, no large friction connection exists between the expansion pipe of the expansion bolt and the inner wall of the prefabricated hole, no mutual connection exists between the expansion pipe and the bolt, thereby the expansion bolt cannot be screwed in a nut along with the rotation of a wrench in the fastening process, the expansion bolt cannot be expanded and anchored, and the problem that individual expansion bolts cannot be firmly anchored is caused, the time is wasted, and the expansion bolt cannot achieve the required effect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an anchoring method of an expansion bolt on a building wall, and solves the problems that the expansion bolt is often larger than the outer diameter of an expansion pipe due to too much diameter of an inner arm of a prefabricated hole in the use process, and the expansion pipe and the bolt are not mutually connected due to no large friction connection between the expansion pipe of the expansion bolt and the inner wall of the prefabricated hole, so that the expansion bolt cannot be screwed in by rotating a nut along with a wrench in the fastening process, and the expansion bolt cannot expand.
The invention is realized by the following technical scheme:
a method of anchoring an expansion bolt to a building wall, comprising the steps of:
the top pressure locking device comprises a locking nut, a top pressure ring disc, a connecting sleeve, a pressing gear and a handle rod, wherein the top pressure ring disc is coaxially and fixedly connected with the locking nut through the connecting sleeve, two symmetrical pressing gear mounting lug bosses are arranged on the outer side surface of the top pressure ring disc, the pressing gear is mounted on the pressing gear mounting lug bosses through a rotating shaft, the end of the handle rod is connected to the tooth surface of the pressing gear,
a sleeve open slot is formed in the connecting sleeve corresponding to the pressing gear, and a ring plate slot corresponding to the sleeve open slot and communicated with the sleeve open slot is formed in the top pressing ring plate;
the telescopic jacking sleeve is arranged, two symmetrical outer rack plates are arranged on one end face of the telescopic jacking sleeve, rack teeth are arranged on the outer side faces of the outer rack plates, the telescopic jacking sleeve is inserted into the annular disc groove and the sleeve open groove through the outer rack plates, and the compression gear is meshed with the rack teeth of the outer rack plates;
taking an expansion screw rod only sleeved with an expansion pipe, sleeving the end of a telescopic jacking sleeve on the end part of a screw rod of the expansion screw rod, sleeving a locking nut on the expansion screw rod, enabling the end of the locking nut to abut against the end of the expansion pipe, then inserting an expansion bolt into a drill hole, aligning the expansion screw rod, enabling a jacking ring disc to abut against a wall surface, outwards pressing by using a handle rod, enabling a compression gear to rotate around a rotating shaft on a compression gear mounting lug boss by adopting two handle rods, driving an outer rack spanner to slide in a ring disc groove and a sleeve open groove through meshing connection by the compression gear, and driving the telescopic jacking sleeve to extend and jack on the expansion pipe, enabling the expansion pipe to be cracked and supported in the drill hole, thereby primarily anchoring the expansion bolt in the drill hole.
Further, after the preliminary anchor of expansion bolts is accomplished, the handle bar is held again, and through the handle bar around the rotation of expansion screw, the outside pulling of expansion screw is made to rethread lock nut tension, makes the expansion pipe further fracture prop in the drilling to the completion is with the anchor of expansion bolts in the drilling.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the anchoring method of the expansion bolt on the building wall body can enable the expansion bolt to be easily and quickly installed and fixed in the drilled hole through the anchoring device of the expansion bolt, does not need to improve the existing expansion bolt, is simple to operate, and solves the technical problem that the expansion bolt cannot be anchored in the drilled hole due to overlarge drilled hole when the expansion bolt is anchored in the drilled hole.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of a conventional expansion bolt;
FIG. 2 is a schematic structural view illustrating a method of anchoring an expansion bolt to a building wall according to the present invention;
FIG. 3 is a schematic structural view of the retractable jacking sleeve of the present invention;
FIG. 4 is a schematic structural view of the top pressure locking device of the present invention;
FIG. 5 is a schematic view of the top pressing ring plate according to the present invention;
FIG. 6 is a schematic view of the construction of the coupling sleeve of the present invention;
FIG. 7 is a schematic structural view showing an anchoring method of an expansion bolt to a building wall according to an embodiment of the present invention;
reference numbers and corresponding part names in the drawings:
1-telescopic jacking sleeve, 2-locking nut, 3-jacking ring disc, 4-connecting sleeve, 5-pressing gear, 6-handle rod, 7-pressing gear mounting lug boss, 8-rotating shaft, 9-sleeve open slot, 10-ring disc slot, 11-external rack spanner, 12-expansion pipe, 13-handle sleeve, 14-expansion screw, 15-drilling hole, 16-wall surface, 17-nut and 18-gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in fig. 1 to 7, the present invention relates to a method for anchoring an expansion bolt to a building wall, comprising the steps of:
the pressing and locking device is arranged and comprises a locking nut 2, a pressing ring disc 3, a connecting sleeve 4, a pressing gear 5 and a handle rod 6, the pressing ring disc 3 is coaxially and fixedly connected with the locking nut 2 through the connecting sleeve 4, two symmetrical pressing gear mounting lug bosses 7 are arranged on the outer side surface of the pressing ring disc 3, the pressing gear 5 is mounted on the pressing gear mounting lug bosses 7 through a rotating shaft 8, the end of the handle rod 6 is connected to the tooth surface of the pressing gear 5,
a sleeve opening groove 9 is formed in the connecting sleeve 4 corresponding to the pressing gear 5, and a ring plate groove 10 corresponding to the sleeve opening groove 9 and communicated with the sleeve opening groove in a penetrating mode is formed in the top pressing ring plate 3;
the telescopic jacking sleeve 1 is arranged, two symmetrical outer rack plates 11 are arranged on one end face of the telescopic jacking sleeve 1, rack teeth are arranged on the outer side faces of the outer rack plates 11, the telescopic jacking sleeve 1 is inserted into the annular disc groove 10 and the sleeve open groove 9 through the outer rack plates 11, and the compression gear 5 is meshed with the rack teeth of the outer rack plates 11;
taking an expansion screw 14 only sleeved with an expansion pipe 12, sleeving the end of a telescopic jacking sleeve 1 on the end part of a screw rod of the expansion screw 14, sleeving a locking nut 2 on the expansion screw 14 in a threaded manner, abutting the end of the locking nut 2 on the end of the expansion pipe 12, inserting an expansion bolt into a drilled hole 15, aligning the expansion screw 14, abutting a jacking ring disc 3 on a wall surface 16, pressing the wall surface outwards by using a handle rod 6, rotating a pressing gear 5 around a rotating shaft 8 on a pressing gear mounting lug 7 by using two handle rods 6, driving an outer strip toothed plate 11 to slide in a ring disc groove 10 and a sleeve open groove 9 through meshing connection by using the pressing gear 5, driving the telescopic jacking sleeve 1 to extend and abut on the expansion pipe 12, and enabling the expansion pipe 12 to be cracked and supported in the drilled hole 15, so as to anchor the expansion bolt in the drilled hole preliminarily.
After the preliminary anchor of completion expansion bolts, hand grip handle bar 6 again rotates around expansion screw 14 through handle bar 6, and rethread lock nut 2 tension makes expansion screw 14 outwards spur, makes expansion pipe 12 further fracture prop in the drilling to the completion is with the expansion bolts anchor in the drilling.
The anchoring method of the expansion bolt on the building wall body can enable the expansion bolt to be easily and quickly installed and fixed in the drilled hole through the anchoring device of the expansion bolt, does not need to improve the existing expansion bolt, is simple to operate, and solves the technical problem that the expansion bolt cannot be anchored in the drilled hole due to overlarge drilled hole when the expansion bolt is anchored in the drilled hole.
Fig. 1-7 are anchoring devices of an expansion bolt on a building wall, including a telescopic jacking sleeve 1 and a jacking locking device, where the jacking locking device includes a locking nut 2, a jacking ring disc 3, a connecting sleeve 4, a pressing gear 5 and a handle bar 6, the jacking ring disc 3 is coaxially and fixedly welded with the locking nut 2 through the connecting sleeve 4, two symmetrical pressing gear mounting lugs 7 are arranged on the outer side surface of the jacking ring disc 3, the pressing gear 5 is mounted on the pressing gear mounting lugs 7 through a rotating shaft 8, and the end of the handle bar 6 is connected to the tooth surface of the pressing gear 5. The handle rod 6 is of a telescopic loop rod structure. Thick pole cover thin pole structure, as shown in fig. 2, handle pole 6 can stretch out and draw back, decides according to operation personnel's strength, adopts extending structure one to conveniently be convenient for deposit and store up, and on the other hand, corresponding to the little operation personnel of strength, can stretch out and draw back handle pole 6, easily accomplishes the roof pressure and makes expansion pipe 12 fracture prop in drilling.
The locking nut 2 is just the same as the nut structure on the expansion bolt, the top pressure ring disc 3 is made of a hard metal plate, and the size of the central hole is the same as that of the connecting sleeve 4. The telescopic jacking sleeve 1 is made of hard steel, so that deformation and abrasion are prevented.
As shown in fig. 5 and 6, a sleeve opening groove 9 is formed in the connecting sleeve 4 corresponding to the pressing gear 5, and a ring plate groove 10 corresponding to the sleeve opening groove 9 and communicated therewith is formed in the pressing ring plate 3.
As shown in fig. 3, two symmetrical outer rack plates 11 are arranged on one end face of the telescopic jacking sleeve 1, rack teeth are arranged on the outer side faces of the outer rack plates 11, the telescopic jacking sleeve 1 is inserted into the annular disc groove 10 and the sleeve open groove 9 through the outer rack plates 11, the compression gear 5 is meshed with the rack teeth of the outer rack plates 11 again, the two handle rods 6 are pulled by two hands to enable the compression gear 5 to rotate around the rotating shaft 8 on the compression gear mounting lug 7, and the compression gear 5 drives the outer rack plates 11 to slide in the annular disc groove 10 and the sleeve open groove 9 through meshing connection, so that the telescopic jacking sleeve 1 is driven to extend and jack on the expansion pipe 12. When the telescopic jacking sleeve 1 is completely retracted, the end face of the telescopic jacking sleeve 1 is attached to the jacking ring disc 3.
The operation principle is that the jacking locking device is fixedly installed on the screw part of the expansion screw 14 in a sleeved mode, the jacking ring disc 3 is jacked on the wall surface, and the telescopic jacking sleeve 1 is controlled to jack the end of the expansion pipe 12 by moving the handle rod 6.
The outer end of the handle rod 6 is provided with a handle sleeve 13. The handle sleeve 13 can play the effects of skid resistance and comfortable holding.
As shown in fig. 3, the other end surface of the telescopic jacking-pressing sleeve 1 is provided with a gasket 18. The gasket 18 is arranged mainly for solving the problem that in the later stage, after the expansion bolt is preliminarily fixed, when the expansion bolt anchoring device integrally rotates to tighten the expansion screw 14, the telescopic jacking sleeve 1 and the end of the expansion pipe 12 are subjected to extrusion friction, and the telescopic jacking sleeve 1 is prevented from being worn out.
When the expansion bolt is used, the nut 17 and the washer on the expansion bolt are removed, and matched models are adopted, wherein the locking nut 2 and the expansion screw 14 are mainly matched with each other;
as shown in fig. 1, the expansion bolt is generally composed of two parts, a movable expansion screw 14 and a fixed expansion pipe 12, as shown in fig. 7, firstly, the end of a telescopic jacking sleeve 1 is sleeved on the expansion screw 14, then, a locking nut 2 is sleeved on the expansion screw 14, the tail end of the expansion screw 14 is held by one hand, any handle rod 6 is held by the other hand, the handle rod 6 rotates around the expansion screw 14, the end of the locking nut 2 is pressed against the end of the expansion pipe 12, then, the expansion bolt is inserted into a drill hole and is laid flat, the jacking annular disc 3 is attached to a wall surface 16, the two hands respectively hold one handle rod 6 to be pressed outwards, the two handles 6 are pulled by the two hands to enable a compression gear 5 to rotate around a rotating shaft 8 on a compression gear mounting lug 7, the compression gear 5 drives an external rack toothed plate 11 to slide in an annular disc groove 10 and a sleeve open groove 9 through meshing connection, thereby driving the telescopic jacking sleeve 1 to extend and jack the expansion pipe 12, and enabling the expansion pipe 12 to be cracked and supported in the drill hole 15, thereby primarily anchoring the expansion bolt in the drill hole.
Furthermore, the handle rod 6 is held by the hand, the handle rod 6 continuously rotates around the expansion screw 14, the expansion screw 14 is pulled outwards through the tightening force of the locking nut 2, the expansion pipe 12 is completely cracked and supported in the drill hole, and therefore the expansion bolt is tightly anchored in the drill hole.
By the anchoring device, the expansion pipe 12 can be placed at the position in the drilled hole and does not move before and after anchoring, the expansion bolt can be anchored in time without the existing anchoring device, the expansion pipe 12 can extend out of the drilled hole for a section, so that the expansion bolt cannot be normally used, and even more, the expansion pipe needs to be drilled and anchored again. A large amount of manpower and material resources are wasted.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (1)
1. A method of anchoring an expansion bolt to a building wall, comprising the steps of:
the pressing and locking device is arranged and comprises a locking nut (2), a pressing ring disc (3), a connecting sleeve (4), a pressing gear (5) and a handle rod (6), the pressing ring disc (3) is coaxially and fixedly connected with the locking nut (2) through the connecting sleeve (4), two symmetrical pressing gear mounting lug bosses (7) are arranged on the outer side surface of the pressing ring disc (3), the pressing gear (5) is mounted on the pressing gear mounting lug bosses (7) through a rotating shaft (8), the end of the handle rod (6) is connected to the tooth surface of the pressing gear (5),
a sleeve open slot (9) is formed in the connecting sleeve (4) corresponding to the pressing gear (5), and a ring disc slot (10) corresponding to the sleeve open slot (9) and communicated with the sleeve open slot (9) in a penetrating manner is formed in the top pressing ring disc (3);
the method comprises the following steps that a telescopic jacking sleeve (1) is arranged, two symmetrical outer rack plates (11) are arranged on one end face of the telescopic jacking sleeve (1), rack teeth are arranged on the outer side faces of the outer rack plates (11), the telescopic jacking sleeve (1) is inserted into a ring plate groove (10) and a sleeve open groove (9) through the outer rack plates (11), and a compression gear (5) is meshed with the rack teeth of the outer rack plates (11) again;
taking an expansion screw rod (14) only sleeved with an expansion pipe (12), sleeving the end of a telescopic jacking sleeve (1) on the end part of a screw rod of the expansion screw rod (14), sleeving a locking nut (2) on the expansion screw rod (14) in a threaded manner, enabling the end of the locking nut (2) to be propped against the end of the expansion pipe (12), then inserting an expansion bolt into a drill hole (15), righting the expansion screw rod (14), enabling a jacking ring disc (3) to be propped against a wall surface (16), using a handle rod (6) to be outwards compressed, using two handle rods (6) to enable a compression gear (5) to rotate around a rotating shaft (8) on a compression gear mounting lug boss (7), driving an outer strip toothed plate (11) to slide in a ring disc groove (10) and a sleeve open groove (9) through meshing connection, driving the telescopic jacking sleeve (1) to extend and prop against the expansion pipe (12), and enabling the expansion pipe (12) to be cracked and supported in the drill hole (15), thereby primarily anchoring the expansion bolt in the borehole;
after the preliminary anchor of the expansion bolt is finished, the handle rod (6) is held by a hand again, the handle rod (6) rotates around the expansion screw (14), and the expansion screw (14) is pulled outwards through the tension of the locking nut (2), so that the expansion pipe (12) is further cracked and supported in the drilled hole, and the expansion bolt is anchored in the drilled hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213997.1A CN109877764B (en) | 2019-03-20 | 2019-03-20 | Anchoring method of expansion bolt on building wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213997.1A CN109877764B (en) | 2019-03-20 | 2019-03-20 | Anchoring method of expansion bolt on building wall |
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| Publication Number | Publication Date |
|---|---|
| CN109877764A CN109877764A (en) | 2019-06-14 |
| CN109877764B true CN109877764B (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910213997.1A Active CN109877764B (en) | 2019-03-20 | 2019-03-20 | Anchoring method of expansion bolt on building wall |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4104073A1 (en) * | 1991-02-11 | 1992-08-13 | Hilti Ag | EXTRACTION TOOL |
| CN2704712Y (en) * | 2004-07-07 | 2005-06-15 | 华保全 | High-strength expanding bolts |
| CN206306058U (en) * | 2016-11-18 | 2017-07-07 | 中国石油天然气股份有限公司 | A kind of packing extractor of rod-pumped well |
| US10132344B2 (en) * | 2016-12-29 | 2018-11-20 | Kabushiki Kaisha Miyanaga | Anchor bolt |
| CN208381077U (en) * | 2018-06-20 | 2019-01-15 | 新疆八一钢铁股份有限公司 | improved expansion bolt |
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| CN109877764A (en) | 2019-06-14 |
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Effective date of registration: 20201211 Address after: No. 53, Yingbin Road, Central District, Qiuchang administrative district, Huiyang District, Huizhou City, Guangdong Province Applicant after: Guangdong Qiancheng Construction Engineering Co.,Ltd. Address before: No.38, group 4, Zhoujia village, Gufo Town, Fushun County, Zigong City, Sichuan Province Applicant before: Wang Ping |
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