CN109854278A - Shotcrete rock bolt wire mesh support construction bracket for high earthquake zone fracture area - Google Patents

Shotcrete rock bolt wire mesh support construction bracket for high earthquake zone fracture area Download PDF

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Publication number
CN109854278A
CN109854278A CN201910075652.4A CN201910075652A CN109854278A CN 109854278 A CN109854278 A CN 109854278A CN 201910075652 A CN201910075652 A CN 201910075652A CN 109854278 A CN109854278 A CN 109854278A
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CN
China
Prior art keywords
bracket
item
anchor net
wire mesh
rock bolt
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Granted
Application number
CN201910075652.4A
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Chinese (zh)
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CN109854278B (en
Inventor
孟志强
郝国强
徐立新
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Second Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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Hebei University of Engineering
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Priority to CN201910075652.4A priority Critical patent/CN109854278B/en
Publication of CN109854278A publication Critical patent/CN109854278A/en
Application granted granted Critical
Publication of CN109854278B publication Critical patent/CN109854278B/en
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  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a kind of shotcrete rock bolt wire mesh support construction brackets for high earthquake zone fracture area, including at least one single support, the single support includes shot anchor net, bracket item, limit plate, location nut and inserted link, the shot anchor net is formed by several reinforcing ribs of the shot anchor net body frame and arranged for interval of periphery in the shot anchor net body frame are arranged in, several reinforcing ribs form reinforcement net, and the inserted link is uniformly plugged on the reinforcement net;The two sides of the shot anchor net body frame are respectively fixed with a bracket item, the lateral surface of the bracket item is uniformly fixed with several described limit plates along its axial direction, the limit plate is mutually perpendicular to the bracket item, and the limit plate is equipped with the first nut mounting hole for installing the location nut along the axial direction of the bracket item.The case where structure of the invention can prevent shot anchor net from sliding not only considerably increases the service efficiency of shot anchor net, is also convenient for carrying out separating carrying to bracket.

Description

Shotcrete rock bolt wire mesh support construction bracket for high earthquake zone fracture area
Technical field
It is more particularly to a kind of for high earthquake zone fracture area the present invention relates to shot anchor net support technology field Bracket is used in shotcrete rock bolt wire mesh support construction.
Background technique
Combined bolting and shotcrete refers to anchoring and pneumatically placed concrete to combine, to reinforce the measure of underground rock cavern.Spray Concrete is to spray certain thickness concrete layer to underground cavern excavation face using spouting plant, so as to supporting country rock.Spray coagulation Soil can be used as the preliminary bracing of surrounding rock of chamber, can also be used as permanent supporting.Combined bolting and shotcrete is to make inserted link, concrete spray coating Coefficient system is formed with country rock, rock-mass relaxing, separation are prevented, with the continuous development of society, when working on building work Firstly the need of using shot anchor net to be intercepted pneumatically placed concrete again.
But there is defects for the supporting of shot anchor net in the prior art, such as: currently, shot anchor net is needed when in use using branch Frame is supported, but there is deficiencies for the bracket that shot anchor net uses in the prior art, when in use cannot be well by shot anchor net It is fixed on required place, so that occurring the case where shot anchor net landing, the set strength of injection being reduced in this way, dropped significantly in injection The low service efficiency of device, so be unable to satisfy needed for the prior art.
Therefore, how to overcome above-mentioned technological deficiency, design a kind of shot anchor net bracket of good fixing effect, be this field Technical staff need solve the problems, such as.
Summary of the invention
In view of this, the present invention provides a kind of shotcrete rock bolt wire mesh support construction brackets for high earthquake zone fracture area.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of shotcrete rock bolt wire mesh support construction bracket for high earthquake zone fracture area, including at least one single support, institute Stating single support includes shot anchor net, bracket item, limit plate, location nut and inserted link, and the shot anchor net is by being arranged in periphery Several reinforcing ribs composition of shot anchor net body frame and arranged for interval in the shot anchor net body frame, several reinforcing ribs are formed Reinforcement net, the inserted link are uniformly plugged on the reinforcement net;The two sides of the shot anchor net body frame are respectively fixed with one Bracket item, the lateral surface of the bracket item are uniformly fixed with several described limit plates, the limit plate along its axial direction It is mutually perpendicular to the bracket item, the limit plate is equipped with along the axial direction of the bracket item for installing the positioning spiral shell The first female nut mounting hole.
Multiple single supports can be attached by the present invention, and inserted link is arranged on shot anchor net, when in use, pass through inserted link The case where shot anchor net can be fixed on to required place, prevent shot anchor net from sliding.If simultaneously when gunite concrete at landing There is no shot anchor net, will be greatly reduced concrete setting intensity, the invention avoids the generations of above situation, considerably increase spray anchor The service efficiency of net.In addition, shotcrete rock bolt wire mesh support construction is split into the identical single support of multiple structures with bracket by the present invention, make It was not only convenient for carrying, but also can separate and carry, and avoids and once carries heavier situation.
Based on the above technical solution, the present invention can also make following improvement:
Preferably, two single supports are fixedly connected by the limit plate with the location nut.
Specifically: location nut sequentially passes through the first nut mounting hole on the limit plate of two single supports, realizes two A single support is fixedly connected.
Preferably, multiple mesh for inserted link insertion are uniformly provided on the reinforcement net.
Preferably, the single support further includes rotating plate, and the rotating plate is articulated with the upper surface of the bracket item and is located at Close to the side of the one of end of bracket item, the bracket article upper surface is equipped with the close to the side of another end Two nut mounting holes;Rotating plate and the second nut mounting hole installation site on bracket item described in shot anchor net body frame two sides it is identical but After installation direction is on the contrary, two single supports are fixedly connected by the limit plate with the location nut, wherein a side Rotating plate on bracket item can be fixed on separately by the second nut mounting hole in the location nut and another party's bracket item On one side's bracket item.
Specifically, above-mentioned two single support is fixedly connected by limit plate, location nut, the first nut mounting hole Afterwards, in order to ensure fixed fixing, the present invention further passes through rotating plate, location nut and the second nut mounting hole for two Single support carries out secondary fixation.
Preferably, the upper surface of the rotating plate and the bracket item is rotatablely connected by lifting lug.
Preferably, one end that the inserted link is inserted into the reinforcement net is tip, can facilitate and shot anchor net is fixed.
Preferably, the quantity of the inserted link is 7.
Preferably, the quantity of the bracket lateral surface upper limit plate is 3.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides one kind to be used for high earthquake Shotcrete rock bolt wire mesh support construction bracket with fracture area is being used by the way that inserted link is arranged in the multiple shot anchor net fronts being fixedly connected When with inserted link multiple shot anchor nets are fixed on required place, pass through the case where shot anchor net slides that be fixed against of inserted link, mode When injection at landing no shot anchor net, the case where substantially reducing concrete setting intensity.The present invention not only considerably increases spray The service efficiency of anchor net is also convenient for carrying out separating carrying to bracket, avoids and once carry heavier situation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the structural schematic diagram of single support of the present invention.
Fig. 2 attached drawing is the connection schematic diagram of two single supports of the invention.
Fig. 3 attached drawing is the structural schematic diagram of shot anchor net of the present invention.
Wherein, each appended drawing reference are as follows:
10- shot anchor net,
101- shot anchor net body frame, 102- reinforcing rib, 103- mesh;
20- bracket item;
30- limit plate;
40- location nut;
50- inserted link;
60- rotating plate;
70- the first nut mounting hole;
80- the second nut mounting hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment:
As shown in Figure 1-3, the embodiment of the invention discloses a kind of shotcrete rock bolt wire mesh support constructions for high earthquake zone fracture area With bracket, including at least one single support, can be arbitrarily fixedly connected between single support and single support, specifically,
Single support includes shot anchor net 10, bracket item 20, limit plate 30, location nut 40 and inserted link 50.Shot anchor net 10 By being arranged in 102 groups of several reinforcing ribs in shot anchor net body frame 101 of the shot anchor net body frame 101 and arranged for interval of periphery At several reinforcing ribs 102 form reinforcement net, and multiple mesh 103 are uniformly provided on reinforcement net, and inserted link 50, which is uniformly plugged on, to be added In the mesh 103 of strengthening tendons net, facilitate and shot anchor net 10 is fixed on required place, the case where to prevent sliding.
The two sides of shot anchor net body frame 101 are respectively fixedly welded with a bracket item 20, pass through two single support upper brackets The effect of item 20, which can facilitate, fixes two shot anchor nets 10.Specifically: the lateral surface of bracket item 20 is uniformly solid along its axial direction Limit plate 30 there are three fixed, limit plate 30 are mutually perpendicular to bracket item 20, and limit plate 30 is set along the axial direction of bracket item 20 There is the first nut mounting hole 70 for installing location nut 40, the limit plate 30 on two single supports passes through location nut 40 And respective first nut mounting hole 70 is fixedly connected.
Single support further includes rotating plate 60, and rotating plate 60 is rotationally connected with the upper surface of bracket item 20 and is located at and leaned on by lifting lug The side of the one of end of nearly bracket item 20,20 upper surface of bracket item are equipped with the second nut close to the side of another end Mounting hole 80;Rotating plate 60 on 101 liang of side stand items 20 of shot anchor net body frame is identical with 80 installation site of the second nut mounting hole But installation direction on the contrary, when two single supports by limit plate 30 be fixedly connected with location nut 40 after, wherein side's bracket Rotating plate 60 on item 20 can also further pass through the second nut mounting hole in location nut 40 and another party's bracket item 20 80 are fixed on another party's bracket item 20, realize dual fixation.
In order to advanced optimize above scheme, one end that inserted link 50 is inserted into reinforcement net is tip.
In order to advanced optimize above scheme, the quantity of inserted link 50 is 7, each 20 lateral surface upper limit plate 30 of bracket item Quantity be 3.
A kind of working principle of the shotcrete rock bolt wire mesh support construction bracket for high earthquake zone fracture area of the present invention is (with two For single support is attached, hereinafter referred first support monomer and second support monomer):
When in use, first support monomer and second support monomer are leaned against into required place first;Then by two bracket lists Limit plate 30 on the adjacent side stand item 20 of body docks;Then the limit board group connected will be fixed with location nut 40; Then the rotating plate 60 on two bracket items 20 of sides adjacent is rotated, is consolidated the rotating plate 60 on first support monomer using location nut 40 Dingan County reuses location nut 40 for second support monomer upper rotating plate 60 and is fixedly mounted on second mounted in second support monomer front Single support front, is finally fixed on required place for first support monomer and second support monomer using inserted link 50.
The case where present invention can prevent shot anchor net 10 from sliding by the fixation of inserted link 50, if while gunite concrete When at landing no shot anchor net 10, will be greatly reduced concrete setting intensity, therefore invention also avoids the hairs of above situation It is raw, considerably increase the service efficiency of shot anchor net 10.In addition, shotcrete rock bolt wire mesh support construction is split into multiple knots with bracket by the present invention The identical single support of structure, was convenient for carrying it not only, but can separate carry, avoid and once carry heavier situation, be suitble into Row is promoted the use of.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (8)

1. a kind of shotcrete rock bolt wire mesh support construction bracket for high earthquake zone fracture area, including at least one single support, special Sign is that the single support includes shot anchor net, bracket item, limit plate, location nut and inserted link, and the shot anchor net is by being arranged Several reinforcing ribs composition in the shot anchor net body frame of shot anchor net body frame and arranged for interval in periphery, it is several described plus Strengthening tendons form reinforcement net, and the inserted link is uniformly plugged on the reinforcement net;The two sides of the shot anchor net body frame are each solid Surely there is a bracket item, the lateral surface of the bracket item is uniformly fixed with several described limit plates, institute along its axial direction It states limit plate to be mutually perpendicular to the bracket item, the limit plate is equipped with along the axial direction of the bracket item for installing State the first nut mounting hole of location nut.
2. the shotcrete rock bolt wire mesh support construction bracket according to claim 1 for high earthquake zone fracture area, it is characterised in that: Two single supports are fixedly connected by the limit plate with the location nut.
3. the shotcrete rock bolt wire mesh support construction bracket according to claim 1 for high earthquake zone fracture area, it is characterised in that: Multiple mesh for inserted link insertion are uniformly provided on the reinforcement net.
4. the shotcrete rock bolt wire mesh support construction bracket according to claim 1 for high earthquake zone fracture area, it is characterised in that: The single support further includes rotating plate, the rotating plate be articulated with the upper surface of the bracket item and be located at close to the bracket item its In an end side, the bracket upper surface close to another end side be equipped with the second nut mounting hole;Spray Rotating plate on bracket item described in anchor net body frame two sides and the second nut mounting hole installation site is identical but installation direction is on the contrary, two After a single support is fixedly connected by the limit plate with the location nut, wherein the rotating plate energy on side's bracket item Enough it is fixed on another party's bracket item by the second nut mounting hole in the location nut and another party's bracket item.
5. the shotcrete rock bolt wire mesh support construction bracket according to claim 4 for high earthquake zone fracture area, it is characterised in that: The upper surface of the rotating plate and the bracket item is rotatablely connected by lifting lug.
6. the shotcrete rock bolt wire mesh support construction bracket according to claim 1 for high earthquake zone fracture area, it is characterised in that: One end that the inserted link is inserted into the reinforcement net is tip.
7. the shotcrete rock bolt wire mesh support construction bracket according to claim 1 for high earthquake zone fracture area, it is characterised in that: The quantity of the inserted link is 7.
8. the shotcrete rock bolt wire mesh support construction bracket according to claim 1 for high earthquake zone fracture area, it is characterised in that: The quantity of limit plate on the bracket lateral surface is 3.
CN201910075652.4A 2019-01-25 2019-01-25 Support for shotcrete-anchor net support construction for high seismic zone crushing area Active CN109854278B (en)

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Application Number Priority Date Filing Date Title
CN201910075652.4A CN109854278B (en) 2019-01-25 2019-01-25 Support for shotcrete-anchor net support construction for high seismic zone crushing area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910075652.4A CN109854278B (en) 2019-01-25 2019-01-25 Support for shotcrete-anchor net support construction for high seismic zone crushing area

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CN109854278B CN109854278B (en) 2021-01-05

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032080A (en) * 2012-12-21 2013-04-10 江苏建筑职业技术学院 Support method of weak and broken surrounding rock tunnel
CN104989434A (en) * 2015-07-17 2015-10-21 山东科技大学 Method for treating landslide of tunneling working face with pipe penetration combined lagging jacks
CN106812538A (en) * 2015-11-29 2017-06-09 吴镇 Built-in type magnesium iron framework-reinforced concrete combination tunnel wallboard
CN106837387A (en) * 2017-04-21 2017-06-13 中国矿业大学 The installation apparatus and its application method of a kind of roadway support prestressed anchor net
CN207453994U (en) * 2017-07-06 2018-06-05 永城煤电控股集团有限公司 A kind of underground combined type wall supporting net
CN208201892U (en) * 2018-04-25 2018-12-07 浙江国丰集团有限公司 A kind of white-out tubular pole and soil nail wall composite supporting construction
CN109209445A (en) * 2018-11-16 2019-01-15 中建隧道建设有限公司 A kind of fixed installation structure of tunnel support installation net

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032080A (en) * 2012-12-21 2013-04-10 江苏建筑职业技术学院 Support method of weak and broken surrounding rock tunnel
CN104989434A (en) * 2015-07-17 2015-10-21 山东科技大学 Method for treating landslide of tunneling working face with pipe penetration combined lagging jacks
CN106812538A (en) * 2015-11-29 2017-06-09 吴镇 Built-in type magnesium iron framework-reinforced concrete combination tunnel wallboard
CN106837387A (en) * 2017-04-21 2017-06-13 中国矿业大学 The installation apparatus and its application method of a kind of roadway support prestressed anchor net
CN207453994U (en) * 2017-07-06 2018-06-05 永城煤电控股集团有限公司 A kind of underground combined type wall supporting net
CN208201892U (en) * 2018-04-25 2018-12-07 浙江国丰集团有限公司 A kind of white-out tubular pole and soil nail wall composite supporting construction
CN109209445A (en) * 2018-11-16 2019-01-15 中建隧道建设有限公司 A kind of fixed installation structure of tunnel support installation net

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Effective date of registration: 20190729

Address after: 056038 Guangming South Street, Hebei, Handan, No. 199

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Applicant after: China Railway 19th Bureau Group 2nd Co., Ltd.

Address before: 056038 Guangming South Street, Hebei, Handan, No. 199

Applicant before: Hebei University of Engineering

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