CN111022091A - Multi-angle supporting rod for tunnel preliminary bracing - Google Patents
Multi-angle supporting rod for tunnel preliminary bracing Download PDFInfo
- Publication number
- CN111022091A CN111022091A CN201911234285.4A CN201911234285A CN111022091A CN 111022091 A CN111022091 A CN 111022091A CN 201911234285 A CN201911234285 A CN 201911234285A CN 111022091 A CN111022091 A CN 111022091A
- Authority
- CN
- China
- Prior art keywords
- supporting
- adjusting
- thread
- rod
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008093 supporting effect Effects 0.000 title claims abstract description 175
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 35
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a multi-angle supporting rod for tunnel preliminary bracing, which comprises a supporting and fixing plate, wherein an adjusting device is fixedly arranged in the middle of the upper end face of the supporting and fixing plate, the adjusting device comprises a thread adjusting column, a first adjusting thread, a thread moving block, a second adjusting thread, an adjusting hand wheel, a supporting rod, a linkage rod, a limiting plate, a rotating shaft, a supporting block and a limiting groove, the supporting rod is symmetrically arranged, the limiting groove is symmetrically formed in the middle of two ends of the limiting plate, the supporting rod is clamped in the limiting groove in a sliding mode, the supporting block is symmetrically and fixedly arranged on the upper end face of the limiting plate, the linkage rod is rotatably arranged in the supporting block through the rotating shaft, and the thread adjusting column is rotatably arranged at the. The angle and the position of the support can be quickly adjusted in the using process, and the contact area is increased in the supporting process, so that the supporting and reinforcing effects are better.
Description
Technical Field
The invention relates to the technical field of supporting devices, in particular to a multi-angle supporting rod for tunnel primary support.
Background
A multi-angle supporting rod railway tunnel for tunnel preliminary bracing is a channel special for train transportation and running. Along with the development of social economy and production, high-speed railways appear in large quantities. Tunnel engineering is increasing continuously, in the process of tunnel full-circle excavation construction, rock mass developing in a surrounding rock crack is often encountered, and the tunnel full-circle excavation is added, so that the face surface is larger, the risk of collapse and block falling exists before the primary support is finished, therefore, the rock blocks developed by rock cracks around the tunnel hole need to be temporarily supported and reinforced after the excavation, thereby ensuring that the tunnel does not collapse in the tunnel excavation process, the existing tunnel excavation supporting rods are mostly supported by simple steel pipes and brackets, the angle of the support can not be adjusted in the using process, thereby not playing a good supporting role, and the traditional supporting device is contacted with the outer surface of the tunnel in a point form in the supporting process, the contact area is small, and the supporting effectiveness cannot be ensured, so that a multi-angle supporting rod for preliminary tunnel supporting is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a multi-angle support rod for tunnel preliminary bracing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-angle supporting rod for tunnel preliminary bracing comprises a supporting and fixing plate, wherein an adjusting device is fixedly installed in the middle of the upper end face of the supporting and fixing plate, the adjusting device comprises a thread adjusting column, first adjusting threads, a thread moving block, second adjusting threads, an adjusting hand wheel, a supporting rod, a linkage rod, a limiting plate, a rotating shaft, a supporting block and a limiting groove, the supporting rod is symmetrically arranged, the limiting groove is symmetrically arranged in the middle of two ends of the limiting plate, the supporting rod is in sliding and clamping connection in the limiting groove, the supporting block is symmetrically and fixedly installed on the upper end face of the limiting plate, the linkage rod is rotatably installed in the supporting block through the rotating shaft, the thread adjusting column is rotatably installed at the top end of the supporting rod through a fixing ring, the first adjusting threads and the second adjusting threads are symmetrically arranged on the thread adjusting column, the thread moving block is rotatably installed on the first adjusting, the end faces of two sides of the threaded moving block are rotatably connected with the top end of the linkage rod through connecting shafts, the adjusting hand wheel is fixedly installed at the end of the threaded adjusting column, the upper end face of the threaded moving block is respectively and fixedly provided with a first supporting mechanism and a second supporting mechanism, the first supporting mechanism comprises a threaded rod, a connecting fixing block, an arc-shaped supporting plate, a supporting column and an adjusting device, the threaded rod is fixedly installed in the middle of the upper end face of the connecting fixing block in an inclined manner, the adjusting device is rotatably installed on the threaded rod in a threaded manner, the supporting column is fixedly installed at the upper end of the adjusting device in an arc manner, the arc-shaped supporting plate is fixedly installed at the top end of the supporting column, the adjusting device comprises a threaded adjusting sleeve, threaded holes, threaded adjusting columns and connecting balls, the threaded holes are formed in the middle of the threaded adjusting, the connecting ball is fixedly arranged at the top end of the thread adjusting sleeve.
Preferably, the first supporting mechanism and the second supporting mechanism are identical in structure and specification, and smooth surfaces are symmetrically formed in two sides of the threaded rod.
Preferably, four groove bodies are symmetrically formed in two sides of the thread adjusting sleeve, and the thread adjusting column is located inside the groove bodies.
Preferably, the connecting ball is provided with an arc-shaped slot, and the bottom end of the supporting column is welded inside the slot.
Preferably, an anti-slip rubber protective gasket is laid on the upper end face of the arc-shaped supporting plate, and the connecting fixing block is fixedly connected to the upper end face of the threaded moving block.
Preferably, the upper end surface of the supporting and fixing plate is symmetrically and fixedly provided with a carrying handle for carrying.
Preferably, the four corners of the supporting and fixing plate are uniformly and symmetrically provided with fixing holes for fixing in a penetrating manner, and the bottom end face of the supporting and fixing plate is uniformly provided with anti-skidding threads.
Preferably, the thread rotation directions of the first adjusting thread and the second adjusting thread are opposite.
Compared with the prior art, the invention has the following beneficial effects:
the invention can rotate the thread adjusting column by rotating the adjusting hand wheel in the adjusting device, the thread adjusting column is symmetrically provided with a first adjusting thread and a second adjusting thread, the thread rotating directions of the first adjusting thread and the second adjusting thread are opposite, the thread adjusting column is rotatably arranged at the top end of the supporting rod through the fixing ring, so that two thread moving blocks arranged on the first adjusting thread and the second adjusting thread can relatively or oppositely and uniformly move when the thread adjusting column rotates, the end surfaces at two sides of the thread moving blocks are rotatably connected with the top end of the linkage rod through the connecting shaft, the linkage rod plays a role of supporting in the process of rotating the thread moving blocks, and the bottom end of the linkage rod is fixedly connected with the limiting plate through the rotating shaft and the supporting block, thereby ensuring that the thread moving blocks are in a stable state in the process of relatively or oppositely moving, the two ends of the limiting plate are clamped on the supporting rod through limiting grooves, the limiting plate moves up and down on the supporting rod when the linkage rods are opened at different angles in the rotating process, the whole adjusting device is greatly ensured to be in a stable state in the adjusting process, the upper end surface of the threaded moving block is fixedly connected with the connecting fixing blocks in the first supporting mechanism and the second supporting mechanism, and the threaded rod is fixedly arranged in the middle of the upper end surface of the connecting fixing block in an inclined manner, so that the supporting angles and ranges of the threaded rod in the first supporting mechanism and the second supporting mechanism can be adjusted in the process that the symmetrically-arranged threaded moving block transversely moves along the threaded adjusting column, and the arc-shaped supporting plates arranged at the top ends of the first supporting mechanism and the second supporting mechanism support and reinforce the corresponding parts of the tunnel at the optimal angles and positions, the arc backup pad is the arc setting and the up end of arc backup pad has been laid anti-skidding rubber protection gasket, thereby make the arc backup pad can with the tunnel that supports between support with the biggest area of contact support, thereby make the supporting effect better, the arc backup pad cooperation that is the arc setting is the threaded rod of slope form installation thereby make in the in-process of regulation according to supporting angle on the different arc backup pads each position all can support, adjusting device has been installed between threaded rod and the arc backup pad, and screw adjusting sleeve among the adjusting device passes through the screw hole screw thread and rotates and install on the threaded rod, the bilateral symmetry of threaded rod is seted up and is the smooth surface, consequently can adjust the holistic height that threaded rod and screw adjusting sleeve constitute through rotating screw adjusting sleeve, and the screw adjusting post that makes the front end extrusion of screw adjusting post can make on the smooth surface that the threaded rod both sides were seted up through revolving screw adjusting sleeve bilateral symmetry installation's screw adjusting post The threaded rod and the threaded adjusting sleeve are fixedly connected, so that the supporting heights of the first supporting mechanism and the second supporting mechanism can be changed and adjusted, and the first supporting mechanism and the second supporting mechanism can be in a stable state in the supporting process.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the adjusting device of the present invention;
FIG. 3 is a schematic structural diagram of a first supporting mechanism according to the present invention;
FIG. 4 is a schematic disassembled view of the first supporting mechanism of the present invention;
fig. 5 is a schematic structural diagram of the adjusting device of the present invention.
In the figure: 1-a first supporting mechanism, 2-a carrying handle, 3-a fixed hole, 4-a supporting fixed plate, 5-an adjusting device, 6-a second supporting mechanism, 7-a thread adjusting column, 8-a first adjusting thread, 9-a thread moving block, 10-a second adjusting thread, 11-an adjusting hand wheel, 12-a supporting rod, 13-a linkage rod, 14-a limiting plate, 15-a rotating shaft, 16-a supporting block, 17-a limiting groove, 18-a threaded rod, 19-a connecting fixed block, 20-an arc-shaped supporting plate, 21-a supporting column, 22-an adjusting device, 23-a thread adjusting sleeve, 24-a threaded hole, 25-a thread adjusting column and 26-a connecting ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a multi-angle supporting rod for tunnel preliminary bracing comprises a supporting and fixing plate 4, wherein an adjusting device 5 is fixedly installed in the middle of the upper end face of the supporting and fixing plate 4, the adjusting device 5 comprises a thread adjusting column 7, first adjusting threads 8, a thread moving block 9, second adjusting threads 10, an adjusting hand wheel 11, a supporting rod 12, a linkage rod 13, a limiting plate 14, a rotating shaft 15, a supporting block 16 and a limiting groove 17, the supporting rod 12 is symmetrically arranged, the limiting groove 17 is symmetrically arranged in the middle of two ends of the limiting plate 14, the supporting rod 12 is slidably clamped in the limiting groove 17, the supporting block 16 is symmetrically and fixedly installed on the upper end face of the limiting plate 14, the linkage rod 13 is rotatably installed in the supporting block 16 through the rotating shaft 15, the thread adjusting column 7 is rotatably installed at the top end of the supporting rod 12 through a fixing ring, the first adjusting threads 8 and the second adjusting threads, the thread moving block 9 is installed on a first adjusting thread 8 and a second adjusting thread 10 in a thread rotation symmetry mode, end faces on two sides of the thread moving block 9 are connected with the top end of a linkage rod 13 in a rotation mode through connecting shafts, an adjusting hand wheel 11 is fixedly installed at the end of a thread adjusting column 7, the upper end face of the thread moving block 9 is respectively and fixedly provided with a first supporting mechanism 1 and a second supporting mechanism 6, the first supporting mechanism 1 comprises a threaded rod 18, a connecting fixing block 19, an arc supporting plate 20, a supporting column 21 and an adjusting device 22, the threaded rod 18 is fixedly installed in the middle of the upper end face of the connecting fixing block 19 in an inclined mode, the adjusting device 22 is installed on the threaded rod 18 in a thread rotation mode, the supporting column 21 is fixedly installed at the upper end of the adjusting device 22 in an arc mode, the arc supporting plate 20 is fixedly, The thread adjusting column 25 and the connecting ball 26, the threaded hole 24 is arranged in the middle of the thread adjusting sleeve 23, the thread adjusting column 25 is provided with four threads which are rotatably inserted through the thread adjusting sleeve 23, the connecting ball 26 is fixedly arranged at the top end of the thread adjusting sleeve 23, the thread adjusting column 7 can be rotated by rotating the adjusting hand wheel 11 in the adjusting device 5, the thread adjusting column 7 is symmetrically provided with a first adjusting thread 8 and a second adjusting thread 10, the thread rotating directions of the first adjusting thread 8 and the second adjusting thread 10 are opposite, the thread adjusting column 7 is rotatably arranged at the top end of the supporting rod 12 through a fixing ring, so that two thread moving blocks 9 arranged on the first adjusting thread 8 and the second adjusting thread 10 can uniformly move relatively or oppositely while the thread adjusting column 7 rotates, the end surfaces at two sides of the thread moving blocks 9 are rotatably connected with the top end of the linking rod 13 through the connecting shaft, therefore, the linkage rod 13 plays a supporting role in the process that the threaded moving block 9 rotates, the bottom end of the linkage rod 13 is fixedly connected with the limiting plate 14 through the rotating shaft 15 and the supporting block 16, so that the stable state is ensured in the process that the threaded moving block 9 moves relatively or oppositely, the two ends of the limiting plate 14 are clamped on the supporting rod 12 through the limiting grooves 17, the limiting plate 14 moves up and down on the supporting rod 12 when different angles are opened in the rotating process between the linkage rods 13, and the whole adjusting device 5 is greatly ensured to be in the stable state in the adjusting process.
The structure and specification of first supporting mechanism 1 and second supporting mechanism 6 are all the same, the bilateral symmetry of threaded rod 18 is seted up and is the smooth surface, four cell bodies have been seted up to the bilateral symmetry of screw thread adjusting sleeve 23, and screw thread adjusting post 25 is located the inside of cell body, be the arc on the connecting ball 26 and seted up the slot, and the bottom of support column 21 all welds in the inside of slot, anti-skidding rubber protection gasket has been laid to the up end of arc backup pad 20, connect the up end of fixed block 19 fixed connection at screw thread movable block 9, the up end symmetry fixed mounting of support fixed plate 4 has the transport handle 2 that is used for the transport, the even symmetry in four corners of support fixed plate 4 is run through and is offered and is used for fixed hole 3, anti-skidding screw thread has evenly been seted up to the bottom face of support fixed plate 4, the screw thread direction of first regulation screw thread 8 and second regulation screw thread 10 is opposite, the up end of screw thread movable block 9 is fixed mutually with Decide the connection, threaded rod 18 is slope form fixed mounting in the middle part of the up end of connecting fixed block 19, consequently in the in-process of the screw thread movable block 9 of symmetry installation along screw thread regulation post 7 lateral shifting alright adjust the support angle and the scope of threaded rod 18 in first supporting mechanism 1 and second supporting mechanism 6, thereby make the arc backup pad 20 of installing on first supporting mechanism 1 and second supporting mechanism 6 top support the reinforcement with the corresponding position in best angle and position to the tunnel, arc backup pad 20 is the arc setting and the up end of arc backup pad 20 has laid anti-skidding rubber protection gasket, thereby make arc backup pad 20 can support with the biggest area of contact between the tunnel of support, thereby make the supporting effect better, arc backup pad 20 that is the arc setting cooperates the threaded rod 18 that is slope form installation so that each position on the different arc backup pads 20 according to support angle in the in-process of regulation can all carry out And supporting, wherein an adjusting device 22 is installed between the threaded rod 18 and the arc-shaped supporting plate 20, a threaded adjusting sleeve 23 in the adjusting device 22 is installed on the threaded rod 18 in a threaded rotating mode through a threaded hole 24, two sides of the threaded rod 18 are symmetrically provided with smooth surfaces, so that the height of the whole body formed by the threaded rod 18 and the threaded adjusting sleeve 23 can be adjusted by rotating the threaded adjusting sleeve 23, and the threaded adjusting columns 25 symmetrically installed on two sides of the threaded adjusting sleeve 23 are screwed to enable the front ends of the threaded adjusting columns 25 to be extruded on the smooth surfaces arranged on two sides of the threaded rod 18, so that the threaded rod 18 and the threaded adjusting sleeve 23 are fixedly connected, the supporting height of the first supporting mechanism 1 and the second supporting mechanism 6 can be changed and adjusted, and the supporting mechanism can be in a stable state in the supporting process.
The working principle is as follows: the device can be in a stable state in the using process through the supporting and fixing plate 4 and the fixing holes 3 arranged at four corners of the supporting and fixing plate 4, anti-skid threads are uniformly arranged on the bottom end surface of the supporting and fixing plate 4, the position fixing in the supporting process of the device is ensured, the first adjusting threads 8 and the second adjusting threads 10 are symmetrically arranged on the thread adjusting columns 7, the thread moving blocks 9 are rotatably arranged on the first adjusting threads 8 and the second adjusting threads 10, the thread rotating directions of the first adjusting threads 8 and the second adjusting threads 10 are opposite, the thread adjusting columns 7 can be rotated through the adjusting hand wheels 11, the thread moving blocks 9 can move oppositely or relatively, and the supporting angle and the supporting position between the first supporting mechanism 1 and the second supporting mechanism 6 which are arranged at the upper ends of the thread moving blocks 9 can be controlled in the transverse moving process of the thread moving blocks 9, the end surfaces of the two sides of the threaded moving block 9 are rotatably connected with the top end of the linkage rod 13 through the connecting shaft, so that the linkage rod 13 plays a supporting role in the process that the threaded moving block 9 rotates, the bottom end of the linkage rod 13 is fixedly connected with the limiting plate 14 through the rotating shaft 15 and the supporting block 16, the stable state is ensured in the process that the threaded moving block 9 moves relatively or oppositely, the two ends of the limiting plate 14 are clamped on the supporting rod 12 through the limiting grooves 17, the limiting plate 14 performs up-and-down fluctuation movement on the supporting rod 12 when different angles are opened between the linkage rods 13 in the rotating process, the whole adjusting device 5 is greatly ensured to be in the stable state in the adjusting process, the upper end surface of the threaded moving block 9 is fixedly connected with the connecting fixing blocks 19 in the first supporting mechanism 1 and the second supporting mechanism 6, the threaded rod 18 is fixedly installed in the middle of the upper end surface of the connecting fixing blocks 19 in an inclined shape, therefore, the supporting angle and range of the threaded rod 18 in the first supporting mechanism 1 and the second supporting mechanism 6 can be adjusted in the process that the symmetrically installed threaded moving block 9 moves transversely along the threaded adjusting column 7, so that the arc-shaped supporting plate 20 installed at the top end of the first supporting mechanism 1 and the second supporting mechanism 6 supports and reinforces the corresponding part of the tunnel at the optimal angle and position, the arc-shaped supporting plate 20 is arranged in an arc shape, and the upper end face of the arc-shaped supporting plate 20 is paved with an anti-skid rubber protecting gasket, so that the arc-shaped supporting plate 20 can be supported with the supported tunnel at the maximum contact area, so that the supporting effect is better, and the outer surface of the arc-shaped supporting plate 20 can be effectively protected in the supporting process, the arc-shaped supporting plate 20 arranged in an arc shape is matched with the obliquely installed threaded rod 18, so that each part on the arc-shaped supporting plate 20 can be supported according to the supporting angle in the adjusting process, an adjusting device 22 is arranged between the threaded rod 18 and the arc-shaped supporting plate 20, a threaded adjusting sleeve 23 in the adjusting device 22 is rotatably arranged on the threaded rod 18 through a threaded hole 24 in a threaded manner, two sides of the threaded rod 18 are symmetrically provided with smooth surfaces, so that the height of the whole body formed by the threaded rod 18 and the threaded adjusting sleeve 23 can be adjusted by rotating the threaded adjusting sleeve 23, the threaded adjusting columns 25 symmetrically arranged on two sides of the threaded adjusting sleeve 23 are screwed, the front ends of the threaded adjusting columns 25 are extruded on the smooth surfaces arranged on two sides of the threaded rod 18, and the threaded rod 18 and the threaded adjusting sleeve 23 are fixedly connected, so that the supporting heights of the first supporting mechanism 1 and the second supporting mechanism 6 can be changed and adjusted, and can be in a stable state in the supporting process, the lanchow railway safety tunnel is positioned between the Huazhai ditch and the Taichong ditch in Qiang nationality of the national province of Argi province, Sichuan province, is one of the major control line engineering of the whole line, the whole length of the tunnel is 28426 m; the distance between lines is 30-40 m, and the maximum buried depth is 1720 m. The tunnel transversely penetrates through a plurality of streams such as Longtang ditches and Shimaoguan, the tunnel is fractured along with Minjiang activity, the fracture is about 3-4 km away from the Minjiang activity, surrounding rocks are complex and changeable in the range of tunnel sites influenced by the Minjiang activity, cracks and structural development are realized, scientific research tests are developed in the construction process, and a large number of new processes and methods are innovated. The invention is applied to the construction, the angle and the position of the support can be quickly adjusted, and the contact area is increased in the support process, so that the support reinforcing effect is better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a tunnel preliminary bracing uses multi-angle bracing piece, includes supporting fixed plate (4), its characterized in that: the adjusting device (5) is fixedly installed in the middle of the upper end face of the supporting and fixing plate (4), the adjusting device (5) comprises a thread adjusting column (7), first adjusting threads (8), a thread moving block (9), second adjusting threads (10), an adjusting hand wheel (11), a supporting rod (12), a linkage rod (13), a limiting plate (14), a rotating shaft (15), a supporting block (16) and a limiting groove (17), the supporting rod (12) is symmetrically arranged, the limiting groove (17) is symmetrically arranged in the middle of two ends of the limiting plate (14), the supporting rod (12) is slidably clamped in the limiting groove (17), the supporting block (16) is symmetrically and fixedly installed on the upper end face of the limiting plate (14), the linkage rod (13) is rotatably installed in the supporting block (16) through the rotating shaft (15), the thread adjusting column (7) is rotatably installed on the top end of the supporting rod (12) through a fixing ring, the first adjusting threads (8) and the second adjusting threads (10) are symmetrically arranged on the thread adjusting column (7), the thread moving block (9) is rotationally and symmetrically arranged on the first adjusting threads (8) and the second adjusting threads (10), the end surfaces of the two sides of the thread moving block (9) are rotationally connected with the top end of the linkage rod (13) through connecting shafts, the adjusting hand wheel (11) is fixedly arranged at the end of the thread adjusting column (7), the upper end surface of the thread moving block (9) is respectively and fixedly provided with a first supporting mechanism (1) and a second supporting mechanism (6), the first supporting mechanism (1) comprises a threaded rod (18), a connecting fixing block (19), an arc-shaped supporting plate (20), a supporting column (21) and an adjusting device (22), the threaded rod (18) is fixedly arranged in the middle of the upper end surface of the connecting fixing block (19) in an inclined manner, adjusting device (22) screw thread rotates and installs on threaded rod (18), support column (21) are arc fixed mounting in the upper end of adjusting device (22), arc backup pad (20) fixed mounting is on the top of support column (21), adjusting device (22) are including screw thread adjusting sleeve (23), screw hole (24), screw thread adjusting post (25) and connect ball (26), the middle part at screw thread adjusting sleeve (23) is seted up in screw thread adjusting sleeve (24), screw thread adjusting post (25) are equipped with four and screw thread rotation and run through grafting screw thread adjusting sleeve (23), connect ball (26) fixed mounting on the top of screw thread adjusting sleeve (23).
2. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: the structure and specification of the first supporting mechanism (1) and the second supporting mechanism (6) are the same, and the two sides of the threaded rod (18) are symmetrically provided with smooth surfaces.
3. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: four groove bodies are symmetrically arranged on two sides of the thread adjusting sleeve (23), and the thread adjusting column (25) is located inside the groove bodies.
4. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: connect and be the arc on ball (26) and seted up the slot, just the bottom of support column (21) all welds in the inside of slot.
5. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: the upper end face of the arc-shaped supporting plate (20) is paved with an anti-skidding rubber protective gasket, and the connecting fixing block (19) is fixedly connected to the upper end face of the threaded moving block (9).
6. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: the upper end surface of the supporting and fixing plate (4) is symmetrically and fixedly provided with a carrying handle (2) for carrying.
7. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: the four corners of the supporting and fixing plate (4) are uniformly and symmetrically penetrated and provided with fixing holes (3) for fixing, and the bottom end face of the supporting and fixing plate (4) is uniformly provided with anti-skidding threads.
8. The multi-angle supporting rod for the preliminary tunnel support of claim 1, wherein: the thread rotating directions of the first adjusting thread (8) and the second adjusting thread (10) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234285.4A CN111022091B (en) | 2019-12-05 | 2019-12-05 | Multi-angle supporting rod for tunnel preliminary bracing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234285.4A CN111022091B (en) | 2019-12-05 | 2019-12-05 | Multi-angle supporting rod for tunnel preliminary bracing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111022091A true CN111022091A (en) | 2020-04-17 |
| CN111022091B CN111022091B (en) | 2021-04-06 |
Family
ID=70204349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911234285.4A Active CN111022091B (en) | 2019-12-05 | 2019-12-05 | Multi-angle supporting rod for tunnel preliminary bracing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022091B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392527A (en) * | 2020-11-13 | 2021-02-23 | 尹春敏 | Anti-impact coal mine supporting frame and using method |
| CN112412512A (en) * | 2020-11-26 | 2021-02-26 | 元华建设有限公司 | Protection device for tunnel construction based on municipal construction |
| CN115324619A (en) * | 2022-10-18 | 2022-11-11 | 中铁十九局集团第三工程有限公司 | Interim multi-angle strutting arrangement in tunnel |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929338A (en) * | 2009-06-19 | 2010-12-29 | 张旭东 | Hydraulic fan-shaped support system for controlling steel frame deformation in tunnel construction |
| CN205063969U (en) * | 2015-10-28 | 2016-03-02 | 中铁建大桥工程局集团第五工程有限公司 | A concrete compaction device for tunnel preliminary bracing |
| CN205400765U (en) * | 2016-03-01 | 2016-07-27 | 海南大学 | Portable tunnel supporting device |
| CN108643945A (en) * | 2018-05-14 | 2018-10-12 | 陈玉玲 | A kind of height-adjustable coal mine roadway suspension device |
| CN108817276A (en) * | 2018-07-13 | 2018-11-16 | 扬州市普锐泰新材料有限公司 | A kind of efficient steel bar cut-off device |
| CN208686405U (en) * | 2018-09-25 | 2019-04-02 | 韩孟博 | A kind of driving face in coal mine support apparatus |
| CN209604051U (en) * | 2019-02-16 | 2019-11-08 | 董合祥 | A kind of coal mining suspension device |
-
2019
- 2019-12-05 CN CN201911234285.4A patent/CN111022091B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929338A (en) * | 2009-06-19 | 2010-12-29 | 张旭东 | Hydraulic fan-shaped support system for controlling steel frame deformation in tunnel construction |
| CN205063969U (en) * | 2015-10-28 | 2016-03-02 | 中铁建大桥工程局集团第五工程有限公司 | A concrete compaction device for tunnel preliminary bracing |
| CN205400765U (en) * | 2016-03-01 | 2016-07-27 | 海南大学 | Portable tunnel supporting device |
| CN108643945A (en) * | 2018-05-14 | 2018-10-12 | 陈玉玲 | A kind of height-adjustable coal mine roadway suspension device |
| CN108817276A (en) * | 2018-07-13 | 2018-11-16 | 扬州市普锐泰新材料有限公司 | A kind of efficient steel bar cut-off device |
| CN208686405U (en) * | 2018-09-25 | 2019-04-02 | 韩孟博 | A kind of driving face in coal mine support apparatus |
| CN209604051U (en) * | 2019-02-16 | 2019-11-08 | 董合祥 | A kind of coal mining suspension device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392527A (en) * | 2020-11-13 | 2021-02-23 | 尹春敏 | Anti-impact coal mine supporting frame and using method |
| CN112392527B (en) * | 2020-11-13 | 2022-08-16 | 府谷县谊丰煤矿有限公司 | Anti-impact coal mine supporting frame and using method |
| CN112412512A (en) * | 2020-11-26 | 2021-02-26 | 元华建设有限公司 | Protection device for tunnel construction based on municipal construction |
| CN115324619A (en) * | 2022-10-18 | 2022-11-11 | 中铁十九局集团第三工程有限公司 | Interim multi-angle strutting arrangement in tunnel |
| CN115324619B (en) * | 2022-10-18 | 2023-01-13 | 中铁十九局集团第三工程有限公司 | Interim multi-angle strutting arrangement in tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111022091B (en) | 2021-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111022091B (en) | Multi-angle supporting rod for tunnel preliminary bracing | |
| CN207120331U (en) | It is a kind of to build the mould geometrical clamp for pouring and being used during mould | |
| CN111441227B (en) | Induced joint cutting device and method for preventing frost heaving, thawing and sinking of existing frozen soil roadbed and highway | |
| CN105386455B (en) | A kind of frozen soil basis for power transmission tower | |
| CN203270463U (en) | Bridge pier top swivel structure | |
| CN213900135U (en) | Filling roadbed for protecting natural gas pipeline | |
| CN105507923B (en) | Bolt net and jet+anchor cable coupling supporting method in wide span underground chamber | |
| CN110468748A (en) | A kind of culvert trolley | |
| CN206571502U (en) | A kind of constructing tunnel telescoping steel form turns mobile device | |
| CN107191203B (en) | Temporary transverse strut device capable of adjustably controlling tunnel surrounding rock convergence deformation and construction method | |
| CN208686406U (en) | A kind of supporting coal mine underworkings device | |
| CN206231403U (en) | One kind rotates transfer plate | |
| CN108443580A (en) | A kind of cliff slope large-scale pipeline mounting device | |
| CN205295964U (en) | Large -span continuous beam bridge strides existing station traction system for rotation construction | |
| CN206537716U (en) | A kind of civil construction pipeline support frame | |
| CN207393114U (en) | A kind of dust-proof road drilling machine | |
| CN204646256U (en) | A kind of general ring liner structure of Shield-bored tunnels strengthening gauge surplus capacity | |
| CN203411901U (en) | Anchorage structure of horizontal drawing rope bridge | |
| CN204676430U (en) | A kind of integral pushing supporting structure | |
| CN202707076U (en) | Double-line railway tunnel trolley | |
| CN202369935U (en) | Adjustable flexible connecting device for box culverts and tool pipe roofs | |
| CN107143353B (en) | Concrete supporting construction in high temperature tunnel | |
| CN207892629U (en) | The grid steel frame of steel concrete supporting is used in a kind of constructing tunnel | |
| CN202809497U (en) | Novel tower | |
| CN206539363U (en) | A kind of antiflushing type mine roadway support device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220803 Granted publication date: 20210406 |
|
| PP01 | Preservation of patent right |