CN116085009A - Deep roadway rapid supporting device and construction method - Google Patents
Deep roadway rapid supporting device and construction method Download PDFInfo
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- CN116085009A CN116085009A CN202310302315.0A CN202310302315A CN116085009A CN 116085009 A CN116085009 A CN 116085009A CN 202310302315 A CN202310302315 A CN 202310302315A CN 116085009 A CN116085009 A CN 116085009A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
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Abstract
The invention relates to a rapid supporting device for a deep roadway, which comprises a plurality of round supporting frames and supporting units; the circular support frame is formed by splicing a plurality of arc-shaped support steel pipes through sleeves; the support unit comprises a slideway base, a plurality of bases and a plurality of telescopic support arms, wherein the slideway base is fixed at the center of a roadway, the bases are sleeved on the slideway base, a plurality of base grooves are uniformly formed in the bases, sleeve grooves are formed in the sleeves, two ends of the telescopic support arms are respectively supported in the corresponding base grooves and the sleeve grooves during assembly so as to position the sleeves, and the arc-shaped support steel pipes and the sleeve are fixedly connected through positioning screws. The slide foundation is used as a stress foundation, and the telescopic supporting arm is installed on the slide foundation through the base to vertically and transversely support, so that the roadway is quickly supported and reinforced. The invention has simple structure, rapid and convenient support installation, adopts the assembly design, and has the functions of rapid assembly and rapid disassembly.
Description
Technical Field
The invention belongs to the technical field of roadway support, and relates to a deep roadway rapid support device and a construction method.
Background
In the roadway construction process, the conditions of structural deformation caused by surrounding rock crushing, weak construction quality means or supporting parameters and the like exist, and if the continuous development of unfavorable deformation cannot be timely and effectively restrained, roadway collapse accidents are likely to develop.
The emergency control measures of unfavorable deformation of the tunnel structure are biased to the scheme of adding temporary supports. Conventional temporary supports mainly include temporary lateral supports, temporary vertical supports, and temporary circumferential supports. The temporary transverse support and the temporary vertical support are simple in structure and high in construction speed, but the single use effect is poor. The annular support has a good effect on the integral stress of the roadway, but the construction engineering quantity is relatively large, the required construction process also needs a long time, and the quick support and reinforcement effect of the initial support of the construction is difficult to realize. Therefore, a rapid supporting structure is needed to realize rapid supporting and reinforcing of the roadway structure in multiple forms.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the deep roadway rapid supporting device and the construction method, wherein the supporting device is simple in structure and convenient and rapid to install, and can rapidly support and reinforce the roadway structure in multiple forms.
The invention relates to a deep roadway quick supporting device, which comprises: a plurality of round supporting frames and supporting units for assembling the round supporting frames; the circular support frame is formed by splicing a plurality of arc-shaped support steel pipes through sleeves; the support unit comprises a slideway base, a plurality of bases and a plurality of telescopic support arms, wherein the slideway base is fixed at the center of a roadway, the bases are sleeved on the slideway base, a plurality of base grooves are uniformly formed in the bases, sleeve grooves are formed in the sleeves, two ends of the telescopic support arms are respectively supported in the corresponding base grooves and the sleeve grooves to position the sleeves during assembly, and the arc support steel pipes and the sleeves are fixedly connected into a circular support frame through positioning screws; the round supporting frames are connected through screw rods.
In the deep roadway quick support device of the invention, the telescopic support arm comprises: the support comprises a first support rod and a second support rod, wherein the rear end of the first support rod is inserted into a base groove, a plurality of positioning holes are formed in the second support rod, the rear end of the second support rod is inserted into a cavity at the front end of the first support rod, the lengths of the telescopic support arms are adjusted by penetrating different positioning holes through locking screws, and the front end of the second support rod is inserted into a sleeve groove.
In the deep roadway quick supporting device, two ends of the sleeve are respectively sleeved at two adjacent arc-shaped supporting steel pipe ends, through holes are formed in the two ends of the sleeve and the arc-shaped supporting steel pipe ends, and the sleeve and the arc-shaped supporting steel pipe are connected through positioning screws; the sleeve groove is formed in the middle of the sleeve.
In the deep roadway quick supporting device, a plurality of connecting holes are formed in the arc-shaped supporting steel pipe, and two adjacent round supporting frames are connected through nuts and screws.
In the deep roadway rapid supporting device, the slideway foundation is formed by splicing a plurality of slideway monomers, one end of each slideway monomer is provided with a slideway groove, the other end of each slideway monomer is provided with a slideway convex block, and the two slideway monomers are matched and spliced through the slideway grooves and the slideway convex blocks.
In the deep roadway rapid supporting device, the joint of the base and the slideway foundation is coated with a lubricant.
The invention also provides a construction method of the deep roadway quick supporting device, which comprises the following steps:
step 1: cleaning a slideway monomer and the outer surface of a base, splicing and arranging slideway foundations on the central position of a roadway according to a temporary supporting and reinforcing scheme, sleeving a plurality of bases into the slideway foundations, and smearing lubricant at the joint of the bases and the slideway foundations;
step 2: assembling a plurality of telescopic support arms through locking screws, inserting the rear end of the first support rod into the base groove, adjusting the length of the telescopic support arms, and inserting the front end of the second support rod into the sleeve groove to finish the installation of the transverse and vertical telescopic support arms;
step 3: inserting two ends of an arc-shaped support steel pipe into sleeves at two sides of the sleeve, connecting the arc-shaped support steel pipe and the sleeve through positioning screws, tightly attaching and fixing the arc-shaped support steel pipe and the inner wall of a roadway through a telescopic supporting arm, and splicing a plurality of arc-shaped support steel pipes through the sleeves to form a round support frame;
step 4: after a round supporting frame is erected, loosening locking screws to shorten the telescopic supporting arms, moving the base to the next installation position along the slideway foundation, and repeating the steps 2 and 3 to splice the round supporting frame of the next truss;
step 5: the adjacent round supporting frames are fixedly connected through inserting screw rods into the connecting holes.
In the construction method of the deep roadway quick support device, the support positions are determined before construction, the number of the round support frames is further determined, a plurality of bases are sleeved on the slideway base according to construction requirements, and multistage simultaneous construction is achieved.
The invention relates to a deep roadway quick supporting device which comprises a slideway foundation and a base, wherein the slideway foundation is arranged in the center of a roadway and is used as a stress foundation of a whole set of device, and a plurality of telescopic supporting arms are detachably connected to the base. The telescopic support arms can be flexibly mounted on the base according to actual needs, so that transverse support and vertical support are realized. A plurality of arc support steel pipes pass through the sleeve concatenation and form circular braced frame, can realize annular support. The supporting structure can realize rapid supporting and reinforcing of the roadway structure in multiple forms, and is flexible and efficient in supporting. The rapid support structure is simple, convenient to carry, convenient to support and recycle, rapid and convenient to install, the whole device has rapid assembly and rapid disassembly functions by adopting an assembly design, the working form conversion process of the device is efficient and orderly, the support and reinforcement effects are good, the practicability is strong, and the safety is high.
Drawings
FIG. 1 is a schematic structural view of a deep roadway quick support device of the present invention;
FIG. 2 is a schematic structural view of a telescoping support arm;
FIG. 3 is a schematic structural view of a sleeve;
FIG. 4 is a schematic structural view of a slideway base;
FIG. 5 is a schematic view of the structure of the base;
FIG. 6 is a schematic view of the connection of two arc-shaped support steel pipes of the round support frame;
1-slideway foundation, 11-slideway groove, 12 slideway convex blocks, 2-base, 21-base groove, 22-sliding hole, 3-telescopic supporting arm, 31-first supporting rod, 32-second supporting rod, 33-positioning hole, 34-locking screw, 4-sleeve, 41-sleeve groove, 42-positioning screw, 5-arc supporting steel pipe, 51-connecting hole, 52-screw rod and 53-nut.
Detailed Description
As shown in fig. 1 to 6, the deep roadway rapid supporting device of the present invention comprises: the round support frames and the support units for assembling the round support frames are arranged on the roof. The circular support frame is formed by splicing a plurality of arc-shaped support steel pipes 5 through a sleeve 4. The supporting unit comprises a slideway base 1, a plurality of bases 2 and a plurality of telescopic supporting arms 3, wherein the slideway base 1 is fixed at the center of a roadway, the bases 2 are sleeved on the slideway base 1, a plurality of base grooves 21 are uniformly formed in the bases 2, sleeve grooves 41 are formed in the sleeves 4, two ends of the telescopic supporting arms 3 are respectively supported in the corresponding base grooves 21 and the sleeve grooves 41 to position the sleeves 4 during assembly, the spliced arc supporting steel pipes 5 and the sleeves 4 are fixed on the inner wall of the roadway through positioning screws 42, and a plurality of round supporting frames are connected through screws 52.
As shown in fig. 2, the telescopic support arm 3 includes: the rear end of the first supporting rod 31 is inserted into the base groove 21, a plurality of positioning holes 33 are formed in the second supporting rod 32, the rear end of the second supporting rod 32 is inserted into a cavity at the front end of the first supporting rod 31, the length of the telescopic supporting arm 3 is adjusted by penetrating different positioning holes 33 through locking screws 34, and the front end of the second supporting rod 32 is inserted into the sleeve groove 41.
As shown in fig. 3, two ends of the sleeve 4 are respectively sleeved at the ends of two adjacent arc-shaped supporting steel pipes 5, through holes are formed in the two ends of the sleeve 4 and the ends of the arc-shaped supporting steel pipes 5, and the sleeve 4 and the arc-shaped supporting steel pipes 5 are connected through positioning screws 42. The sleeve groove 41 is provided in the middle of the sleeve 4.
As shown in fig. 1, the arc-shaped supporting steel pipe 5 is provided with a plurality of connecting holes 51, and two adjacent round supporting frames are connected through nuts 53 and screws 52.
As shown in fig. 4 and 5, the slideway base 1 is formed by splicing a plurality of slideway monomers, one end of each slideway monomer is provided with a slideway groove 11, the other end of each slideway monomer is provided with a slideway convex block 12, and the two slideway monomers are matched and spliced through the slideway groove 11 and the slideway convex blocks 12. The base 2 is provided with a sliding hole 22 matched with the shape of the slideway foundation 1, the slideway foundation 1 penetrates into the sliding hole 22, and the joint part of the base 2 and the slideway foundation 1 is coated with lubricant.
In specific implementation, the slideway base 1 can adopt a cylindrical structure or a cuboid structure, and the shape of the sliding hole 22 on the base 2 is matched with the shape of the slideway base 1. The base 2 adopts a cube structure, and base grooves 21 are formed in 4 sides of the base 2. The plurality of telescopic supporting arms 3 are detachably supported between the base 2 and the circular supporting frame, and the supporting working state of the telescopic supporting arms 3 comprises vertical supporting and transverse supporting. The slideway foundation 1 is arranged in the center of a roadway and serves as a stress foundation of the whole set of device. The telescopic supporting arm 3 can be flexibly inserted on the base 2 according to the needs, and the installation positions and the installation quantity are determined according to the actual needs.
The invention discloses a construction method of a deep roadway quick supporting device, which comprises the following steps:
step 1: cleaning a slideway monomer and the outer surface of a base, splicing and arranging slideway foundations on the central position of a roadway according to a temporary supporting and reinforcing scheme, sleeving a plurality of bases into the slideway foundations, and smearing lubricant at the joint of the bases and the slideway foundations;
step 2: assembling a plurality of telescopic support arms through locking screws, inserting the rear end of the first support rod into the base groove, adjusting the length of the telescopic support arms, and inserting the front end of the second support rod into the sleeve groove to finish the installation of the transverse and vertical telescopic support arms;
step 3: inserting two ends of an arc-shaped support steel pipe into sleeves at two sides of the sleeve, connecting the arc-shaped support steel pipe and the sleeve through positioning screws, tightly attaching and fixing the arc-shaped support steel pipe and the inner wall of a roadway through a telescopic supporting arm, and splicing a plurality of arc-shaped support steel pipes through the sleeves to form a round support frame;
step 4: after a round supporting frame is erected, loosening locking screws to shorten the telescopic supporting arms, moving the base to the next supporting position along the slideway foundation, and repeating the steps 2 and 3 to splice the next round supporting frame;
step 5: the adjacent round supporting frames are fixedly connected through inserting screw rods into the connecting holes.
In the concrete implementation, the roadway structure is definitely cracked and deformed by adopting related technical measures, so that the ground of the corresponding section is leveled, and if necessary, a layer of broken stone cushion layer can be added or ground leveling and reinforcement can be carried out by using concrete mixed on site. Before construction, the support positions are determined first, the number of the circular support frames is further determined, a plurality of bases are sleeved on the slideway base according to construction requirements, the multiple circular support frames can be assembled to share one set of base and telescopic support arm structure, and multistage simultaneous construction is achieved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the invention, but rather to enable any modification, equivalent replacement, improvement or the like to be made without departing from the spirit and principles of the invention.
Claims (8)
1. Quick strutting arrangement in deep tunnel, its characterized in that includes: a plurality of round supporting frames and supporting units for assembling the round supporting frames; the circular support frame is formed by splicing a plurality of arc-shaped support steel pipes through sleeves; the support unit comprises a slideway base, a plurality of bases and a plurality of telescopic support arms, wherein the slideway base is fixed at the center of a roadway, the bases are sleeved on the slideway base, a plurality of base grooves are uniformly formed in the bases, sleeve grooves are formed in the sleeves, two ends of the telescopic support arms are respectively supported in the corresponding base grooves and the sleeve grooves to position the sleeves during assembly, and the arc support steel pipes and the sleeves are fixedly connected into a circular support frame through positioning screws; the round supporting frames are connected through screw rods.
2. The deep roadway quick support apparatus of claim 1, wherein the telescoping support arm comprises: the support comprises a first support rod and a second support rod, wherein the rear end of the first support rod is inserted into a base groove, a plurality of positioning holes are formed in the second support rod, the rear end of the second support rod is inserted into a cavity at the front end of the first support rod, the lengths of the telescopic support arms are adjusted by penetrating different positioning holes through locking screws, and the front end of the second support rod is inserted into a sleeve groove.
3. The deep roadway quick support device according to claim 1, wherein two ends of the sleeve are respectively sleeved at two adjacent arc-shaped support steel pipe ends, through holes are formed in the two ends of the sleeve and the arc-shaped support steel pipe ends, and the sleeve and the arc-shaped support steel pipe are connected through positioning screws; the sleeve groove is formed in the middle of the sleeve.
4. The deep roadway rapid supporting device according to claim 1, wherein a plurality of connecting holes are formed in the arc-shaped supporting steel pipe, and two adjacent circular supporting frames are connected through nuts and screws.
5. The deep roadway rapid supporting device of claim 1, wherein the slideway base is formed by splicing a plurality of slideway monomers, one end of each slideway monomer is provided with a slideway groove, the other end of each slideway monomer is provided with a slideway convex block, and the two slideway monomers are matched and spliced through the slideway grooves and the slideway convex blocks.
6. The deep roadway quick support of claim 1, wherein the base and skid foundation interface is coated with a lubricant.
7. The construction method of the deep roadway quick supporting device is characterized by comprising the following steps of:
step 1: cleaning a slideway monomer and the outer surface of a base, splicing and arranging slideway foundations on the central position of a roadway according to a temporary supporting and reinforcing scheme, sleeving a plurality of bases into the slideway foundations, and smearing lubricant at the joint of the bases and the slideway foundations;
step 2: assembling a plurality of telescopic support arms through locking screws, inserting the rear end of the first support rod into the base groove, adjusting the length of the telescopic support arms, and inserting the front end of the second support rod into the sleeve groove to finish the installation of the transverse and vertical telescopic support arms;
step 3: inserting two ends of an arc-shaped support steel pipe into sleeves at two sides of the sleeve, connecting the arc-shaped support steel pipe and the sleeve through positioning screws, tightly attaching and fixing the arc-shaped support steel pipe and the inner wall of a roadway through a telescopic supporting arm, and splicing a plurality of arc-shaped support steel pipes through the sleeves to form a round support frame;
step 4: after a round supporting frame is erected, loosening locking screws to shorten the telescopic supporting arms, moving the base to the next installation position along the slideway foundation, and repeating the steps 2 and 3 to splice the round supporting frame of the next truss;
step 5: the adjacent round supporting frames are fixedly connected through inserting screw rods into the connecting holes.
8. The construction method of the deep roadway rapid supporting device according to claim 7, wherein the supporting positions are determined before construction, the number of the round supporting frames is further determined, a plurality of bases are sleeved on a slideway base according to construction requirements, and multistage simultaneous construction is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310302315.0A CN116085009A (en) | 2023-03-27 | 2023-03-27 | Deep roadway rapid supporting device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310302315.0A CN116085009A (en) | 2023-03-27 | 2023-03-27 | Deep roadway rapid supporting device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116085009A true CN116085009A (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310302315.0A Pending CN116085009A (en) | 2023-03-27 | 2023-03-27 | Deep roadway rapid supporting device and construction method |
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| Country | Link |
|---|---|
| CN (1) | CN116085009A (en) |
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- 2023-03-27 CN CN202310302315.0A patent/CN116085009A/en active Pending
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