CN113931632B - Subway shaft strutting arrangement - Google Patents
Subway shaft strutting arrangement Download PDFInfo
- Publication number
- CN113931632B CN113931632B CN202111314814.9A CN202111314814A CN113931632B CN 113931632 B CN113931632 B CN 113931632B CN 202111314814 A CN202111314814 A CN 202111314814A CN 113931632 B CN113931632 B CN 113931632B
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- Prior art keywords
- fixed connection
- rod
- sliding
- spout
- backup pad
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- 238000003756 stirring Methods 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 47
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a subway vertical shaft supporting device which comprises a mounting block, wherein a second sliding groove is formed in the bottom surface of the mounting block, a first sliding block is connected in the second sliding groove in a sliding mode, the lower surface of the first sliding block is fixedly connected with a first vertical rod, the lower end of the first vertical rod is fixedly connected with a first trapezoidal blade, two sides of the upper surface of the first sliding block are fixedly connected with vertical plates, a second vertical rod is connected between the two vertical plates in a rotating mode, the lower end of the second vertical rod is fixedly connected with a second trapezoidal blade, the first vertical rod coincides with the second vertical rod, and the first trapezoidal blade coincides with the second trapezoidal blade. According to the invention, the first trapezoidal blade and the second trapezoidal blade are arranged to conduct layered excision on the residual soil layer in the vertical direction, so that the pressure during excision of the soil layer is reduced, soil below the supporting plate can be cleaned timely, the supporting plate is convenient to descend, the supporting plate can timely support a newly excavated vertical shaft, and trouble is convenient and trouble-saving.
Description
Technical Field
The invention belongs to the field of subway shaft support, and particularly relates to a subway shaft support device.
Background
Tunnel inclined shaft: in the construction of long tunnels, vertical shafts or inclined shafts are provided to increase the working surface, and parallel guide pits are provided in some cases, in order to shorten the construction period. The arrangement of the vertical shaft or the inclined shaft can increase the working surface, but the transportation cost is increased, so that the investment of the construction shaft is needed, the fixed format is not needed according to the actual situation, and the vertical shaft or the inclined shaft is not used after the tunnel is penetrated.
When excavating the shaft, in order to avoid the shaft wall earth to appear collapsing, generally use the backplate to support the wall of a well, but the shaft has certain degree of depth, when continuing to excavate the shaft, only can start to dig downwards from the backplate inner wall, makes the earth that is in backplate below because it is sheltered from by the backplate, can't in time clear up, leads to the backplate unable to dig down and descend along with the continuation of shaft, makes the backplate unable in time to in time support the shaft lateral wall that just digs.
Disclosure of Invention
The invention aims to provide a subway shaft supporting device.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a subway shaft strutting arrangement, includes a plurality of backup pads, the backup pad is the arc, and is a plurality of be equipped with connecting device between the backup pad, a plurality of the backup pad links to each other and can form a ring, the lower extreme of backup pad is equipped with first inclined plane, first inclined plane is adjacent with the bottom surface, be equipped with the mounting bracket on the first inclined plane, be equipped with the connecting block on the mounting bracket, the lower fixed surface of connecting block connects the hanger plate, one side of hanger plate is equipped with first spout, sliding connection installation piece in the first spout, the bottom surface of installation piece is equipped with the second spout, sliding connection first slider in the second spout, the first montant of lower fixed surface of first slider, the equal fixed connection riser in both sides of the upper surface of first slider, two rotate between the riser and connect the second montant, the lower extreme fixed connection second trapezoidal blade of second montant, first montant coincides mutually with the second montant, first trapezoidal blade coincides mutually with the second montant.
Preferably, the mounting frame comprises two mounting plates, the two mounting plates are fixed on a first inclined plane, the two mounting plates are rotatably connected with a threaded rod, the threaded rod is in threaded connection with the connecting block, and one end of the threaded rod is fixedly connected with the control panel.
Preferably, one side of the hanger plate is provided with a first arc-shaped block, one side of the first vertical rod is fixedly connected with a second arc-shaped block, a first spring is fixedly connected between one side of the first sliding block and the side wall of the second sliding groove, the upper bottom surface of the second sliding groove is provided with a mounting groove, the mounting groove is communicated with the second sliding groove, the upper bottom surface of the mounting groove is fixedly connected with a first stirring block, the upper end of the second vertical rod is positioned in the mounting groove and matched with the first stirring block, and one side of the mounting block is fixedly connected with a control rod.
Preferably, the cross sections of the first trapezoidal blade and the second trapezoidal blade are arc-shaped.
Preferably, the lower surface of backup pad fixed connection two risers, the lower surface of riser is equipped with the third spout, sliding connection second slider in the third spout, the lower surface fixed connection scraper of second slider, two the inner wall of riser lower extreme is equipped with the second inclined plane.
Preferably, the connecting device comprises a sliding rod, one side of the supporting plate is provided with a sliding hole, the sliding rod is located in the sliding hole and is in sliding connection with the supporting plate, a second spring is fixedly connected between one end of the sliding rod and the side wall of the sliding hole, a square groove is formed in the other side of the supporting plate, the square groove is matched with the sliding rod, a cross rod is fixedly connected in the square groove, and the cross rod is located in the middle of the square groove.
Preferably, the inside of backup pad is equipped with the inner chamber, the inner chamber is linked together with the third spout and slide hole, the upper surface fixed connection rack of second slider, the intracavity rotates and connects first fixed axle, the first gear of excircle fixed connection of first fixed axle, first gear and rack engagement, the excircle fixed connection rolling disc of first fixed axle, the excircle fixed connection of rolling disc a plurality of second stir the piece, inner chamber inner wall fixed connection second fixed axle, the excircle of second fixed axle rotates and connects the stirring rod, the one end of stirring rod cooperatees with the second stirring rod, the lower surface fixed connection lug of sliding rod, the lug cooperatees with the other end of stirring rod.
Preferably, one end of the sliding rod is rotatably connected with the unidirectional rotating rod.
The invention has the technical effects and advantages that: compared with the prior art, the subway shaft supporting device provided by the invention has the following advantages:
1. according to the invention, the first trapezoidal blade and the second trapezoidal blade are arranged, the connecting block drives the first trapezoidal blade and the second trapezoidal blade to reach the upper part of the middle position of the soil layer thickness between the second circular pit and the first circular pit, the mounting block is pushed downwards, the mounting block drives the first trapezoidal blade and the second trapezoidal blade to move downwards to cut the residual soil layer, then the control disc is continuously rotated, the first trapezoidal blade and the second trapezoidal blade are enabled to move to be close to the inner wall of the first circular pit, then the first trapezoidal blade and the second trapezoidal blade cut the residual soil layer, the first trapezoidal blade and the second trapezoidal blade conduct layered cutting on the residual soil layer in the vertical direction, the pressure and the resistance of the soil when the soil layer is cut are greatly reduced, meanwhile, the first trapezoidal blade and the second trapezoidal blade scoop the residual soil layer, so that the soil below the support plate is cleaned timely, the support plate is enabled to descend conveniently, and the newly excavated vertical shaft can be supported timely, and trouble is conveniently saved.
2. According to the invention, the first poking block is arranged on the mounting groove, when the mounting block drives the first trapezoid blade and the second trapezoid blade to cut off soil layers downwards, when the mounting block slides to the lower end of the first sliding groove, the second arc-shaped block on one side of the first vertical rod is contacted with the first arc-shaped block on one side of the hanging plate, the first arc-shaped block pushes the first vertical rod, so that the first sliding block on the upper end of the first vertical rod slides in the second sliding groove, meanwhile, the first vertical rod drives the first trapezoid blade and the second trapezoid blade to move to push the cut residual soil layers to be close to the second round pit, at the moment, the first sliding block pushes the second vertical rod to move, when the upper end of the second vertical rod is blocked by the first poking block, the first sliding block continues to slide, so that the second vertical rod rotates between the two vertical plates, the second vertical rod drives the second trapezoid blade to poke the soil blocks close to the second round pit, the soil blocks are poked into the second round pit for timely cleaning, and soil accumulation is avoided, and the next cleaning is affected.
3. According to the invention, the sliding rods are arranged, when the supporting plates are connected with each other, the sliding rods on the supporting plates are inserted into the square grooves on the adjacent supporting plates, the lower surfaces of the sliding rods are in contact with the cross bars, the adjacent supporting plates support the other supporting plate through the cross bars, the second sliding block drives the rack to move when the second sliding block slides in the third sliding groove, the rack drives the first gear to rotate, the first gear drives the rotating disc to rotate, the second stirring block on the rotating disc stirs the stirring rod to rotate, the other end of the stirring rod stirs the convex blocks on the lower surface of the sliding rod, so that the sliding rods slide in the sliding holes, the other end of the sliding rod is separated from the cross bars, the adjacent supporting plates are lost, the supporting plates with the bottom soil dug out are fallen down, the above processes are repeated, so that a plurality of supporting plates fall down in sequence along with the shaft is deeper and deeper, the supporting ring formed by the supporting plates gradually falls down, the depth is deeper and deeper, the supporting plates can always support the side walls of the shaft when the shaft is excavated downwards, and the soil on the side walls of the shaft is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic cross-sectional view of fig. 2 at A-A.
Fig. 4 is an enlarged schematic view of the structure at E in fig. 3.
Fig. 5 is a schematic structural view of the mounting frame and the first and second trapezoidal blades.
Fig. 6 is a top view of the mounting bracket and the first and second trapezoidal blades.
Fig. 7 is a schematic cross-sectional view of fig. 6 at B-B.
Fig. 8 is an enlarged schematic view of the structure at F in fig. 7.
Fig. 9 is a schematic diagram of the connection between the support plates.
Fig. 10 is a schematic view of the usage state of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a subway vertical shaft supporting device as shown in figures 1-10, which comprises a plurality of supporting plates 1, wherein the supporting plates 1 are arc-shaped, a connecting device 5 is arranged between the plurality of supporting plates 1, the plurality of supporting plates 1 are connected with each other to form a circular ring, a first inclined surface 11 is arranged at the lower end of the supporting plate 1, the first inclined surface 11 is adjacent to the bottom surface, a mounting frame 2 is arranged on the first inclined surface 11, a connecting block 12 is arranged on the mounting frame 2, the mounting frame 2 comprises two mounting plates 22, the two mounting plates 22 are fixed on the first inclined surface 11, threaded rods 23 are rotatably connected on the two mounting plates 22, the threaded rods 23 are in threaded connection with the connecting block 12, one end of each threaded rod 23 is fixedly connected with a control disc 24, the lower surface of each connecting block 12 is fixedly connected with a hanger plate 13, one side of each hanger plate 13 is provided with a first sliding groove, the first sliding groove is connected with a mounting block 14 in a sliding way, the bottom surface of each mounting block 14 is provided with a second sliding groove, a first sliding block 15 is in each second sliding way, the lower surface of each first vertical rod 16 is fixedly connected with the lower end of each first vertical rod 16, each first trapezoidal blade 17 is fixedly connected with each lower end of each first vertical rod 16, two vertical plates 18 are fixedly connected with each second trapezoidal blade 17, two vertical plates 18 on the upper surfaces of each first sliding block 15 are fixedly connected with each vertical rod 3, each vertical rod is fixedly connected with each second vertical rod 3 is in each second trapezoidal vertical rod 31, each vertical rod is in each vertical rod is coincident with each second vertical rod 31, and each second vertical rod is in each vertical rod is in the arc-shaped and each vertical rod is coincident with each first vertical rod is respectively; the device is used for supporting a well wall after the excavation of a subway shaft, a first round pit with a certain depth is excavated in advance on the ground, a plurality of support plates 1 are placed in the round pit, the plurality of support plates 1 are connected with each other to form a support ring which can be attached to the side wall of the round pit, a second round pit with a certain depth is excavated downwards in the support ring, soil with a certain thickness remains between the second round pit and the first round pit, the soil with the thickness being the same as that of the support plates 1, a control disc 24 on the inclined surface of one support plate 1 is rotated at the moment, a threaded rod 23 is rotated, a connecting block 12 is rotated on the threaded rod 23, the connecting block 12 drives a first trapezoid blade 17 and a second trapezoid blade 31 to reach the position above the middle position of the soil layer thickness between the second round pit and the first round pit, the existing hydraulic jacking device is used for pushing the mounting block 14 downwards, the mounting block 14 drives the first trapezoid blade 17 and the second trapezoid blade 31 to move downwards, residual soil is cut, after cutting, the second vertical rod 3 is stirred, the second vertical rod 3 drives the second trapezoid blade 31 to rotate, just-cut soil is stirred towards the second round pit to avoid residue, the dug soil falls into the pit in the middle of the supporting ring, then the control disc 24 is continuously rotated, the first trapezoid blade 17 and the second trapezoid blade 31 are moved to be close to the inner wall of the first round pit, then the first trapezoid blade 17 and the second trapezoid blade 31 cut the residual soil, the second trapezoid blade 31 is rotated, just-cut soil is stirred, the first trapezoid blade 17 and the second trapezoid blade 31 are driven to move on the threaded rod 23 through the connecting block 12, make first trapezoidal blade 17 and the layering excision of the vertical direction of carrying out of second trapezoidal blade 31 to remaining soil layer, the pressure when alleviateing the excision soil layer and the resistance of soil greatly, it is convenient and trouble-free, after each excision, the second trapezoidal blade 31 can stir the soil layer of cutting out in the circular hole of second, in time clear up, avoid earth to pile up, influence the clearance next time, backup pad 1 both can support the wall of a well after the shaft excavation, still can clear up the remaining earth of backup pad 1 below, can make the earth of backup pad below in time clear up, make things convenient for the backup pad to descend, make the backup pad can in time support the shaft of new dig, it is convenient and trouble-free, the application is nimble.
A first arc-shaped block 32 is arranged on one side of the hanger plate 13, a second arc-shaped block 33 is fixedly connected to one side of the first vertical rod 16, a first spring 34 is fixedly connected between one side of the first sliding block 15 and the side wall of the second sliding groove, a mounting groove 35 is arranged on the upper bottom surface of the second sliding groove, the mounting groove 35 is communicated with the second sliding groove, a first poking block 36 is fixedly connected to the upper bottom surface of the mounting groove 35, the upper end of the second vertical rod 3 is positioned in the mounting groove 35 and matched with the first poking block 36, and one side of the mounting block 14 is fixedly connected with a control rod 37; when the mounting block 14 drives the first trapezoid blade 17 and the second trapezoid blade 31 to cut off soil layers downwards, when the mounting block 14 slides to the lower end of the first sliding groove, the second arc-shaped block 33 on one side of the first vertical rod 16 is contacted with the first arc-shaped block 32 on one side of the hanger plate 13, the first arc-shaped block 32 pushes the first vertical rod 16 to enable the first sliding block 15 on the upper end of the first vertical rod 16 to slide in the second sliding groove, meanwhile, the first vertical rod 16 drives the first trapezoid blade 17 and the second trapezoid blade 31 to move to push the cut residual soil layers to be close to the second round pit, at the moment, the first sliding block 15 pushes the second vertical rod 3 to move, when the upper end of the second vertical rod 3 is blocked by the first stirring block 36, at the moment, the first sliding block 15 continues to slide, the second vertical rod 3 rotates between the two vertical plates 18, the second vertical rod 3 drives the second trapezoid blade 31 to stir soil blocks close to the second round pit, and stir the soil blocks into the second round pit.
The lower surface of the supporting plate 1 is fixedly connected with two vertical plates 39, the lower surface of each vertical plate 39 is provided with a third chute, a second sliding block 4 is connected in the third chute in a sliding manner, the lower surface of the second sliding block 4 is fixedly connected with a scraper 41, and the inner walls of the lower ends of the two vertical plates 39 are provided with second inclined planes; after the soil layer below the first inclined plane 11 is cleaned by the first trapezoidal blade 17 and the second trapezoidal blade 31, at this time, the soil block below the bottom surface adjacent to the first inclined plane 11 cannot be cut off by the first trapezoidal blade 17 and the second trapezoidal blade 31 due to the position, then the scraper 41 is pushed by the hydraulic jacking device, the hydraulic jacking device is in the prior art, and is not repeated here, so that the scraper 41 drives the second slider 4 to slide in the third chute, in the moving process, the scraper 41 scrapes the soil block between the two vertical plates 39, the soil block below the two vertical plates 39 is inwards extruded by the second inclined plane due to the fact that the inner walls of the lower ends of the two vertical plates 39 are second inclined planes, the extruded soil block is scraped to one side by the scraper 41, and the residual soil block is further cleaned by the scraper 41.
The connecting device 5 comprises a sliding rod 51, one side of the supporting plate 1 is provided with a sliding hole, the sliding rod 51 is positioned in the sliding hole and is in sliding connection with the supporting plate 1, a second spring 52 is fixedly connected between one end of the sliding rod 51 and the side wall of the sliding hole, the other side of the supporting plate 1 is provided with a square groove 63, the square groove 63 is matched with the sliding rod 51, a cross rod 64 is fixedly connected in the square groove 63, and the cross rod 64 is positioned in the middle of the square groove 63; when the support plates 1 are connected to each other, the slide bars 51 of the support plates 1 are inserted into the square grooves 63 of the adjacent support plates 1, the lower surfaces of the slide bars 51 are in contact with the cross bars 64, and the adjacent support plates 1 are supported by the cross bars 64 by the other support plate 1.
An inner cavity 53 is arranged in the supporting plate 1, the inner cavity 53 is communicated with a third sliding groove and a sliding hole, the upper surface of the second sliding block 4 is fixedly connected with a rack 54, the inner cavity 53 is rotationally connected with a first fixed shaft 55, the outer circle of the first fixed shaft 55 is fixedly connected with a first gear 56, the first gear 56 is meshed with the rack 54, the outer circle of the first fixed shaft 55 is fixedly connected with a rotating disc 57, the outer circle of the rotating disc 57 is fixedly connected with a plurality of second stirring blocks 58, the inner wall of the inner cavity 53 is fixedly connected with a second fixed shaft 6, the outer circle of the second fixed shaft 6 is rotationally connected with a stirring rod 61, one end of the stirring rod 61 is matched with the second stirring block 58, the lower surface of the sliding rod 51 is fixedly connected with a lug 62, the lug 62 is matched with the other end of the stirring rod 61, and one end of the sliding rod 51 is rotationally connected with a unidirectional rotating rod 65; the second sliding block 4 is pushed to slide in the third sliding groove through the existing hydraulic jacking device, the second sliding block 4 drives the rack 54 to move, the rack 54 drives the first gear 56 to rotate, the first gear 56 drives the rotating disc 57 to rotate, the second stirring block 58 on the rotating disc 57 stirs the stirring rod 61 to rotate, the other end of the stirring rod 61 stirs the lug 62 on the lower surface of the sliding rod 51, the sliding rod 51 slides in the sliding hole, the other end of the sliding rod 51 is separated from the cross rod 64, the support of the adjacent supporting plate 1 is lost, the bottom soil is enabled to fall down by the excavated supporting plate 1, the sliding rod 51 on the excavated supporting plate 1 is inserted between the cross rod 64 and the bottom surface of the square groove 63 under the action of the second spring 52, after the soil at the bottom of the adjacent supporting plate 1 is excavated, the process is repeated, when the adjacent supporting plate 1 falls down, the cross rod 64 is enabled to avoid the adjacent supporting plate 1 due to the fact that one end of the sliding rod 51 on the falling supporting plate 1 is rotated to be connected with the unidirectional rotating rod 65, the unidirectional rotating rod 65 rotates, the cross rod 64 on the adjacent supporting plate 1 is enabled to avoid the side wall 1, the side wall of the vertical shaft is enabled to fall down gradually, the side wall is enabled to be formed gradually, the side wall is enabled to fall down along with the side wall is avoided, and the side wall is gradually and the side wall is also enabled to fall down along with the side wall is gradually.
When in use, the supporting plates 1 are connected with each other to form a supporting ring which can be attached to the side wall of the circular pit, the control disc 24 on the inclined surface of one supporting plate 1 is rotated to enable the threaded rod 23 to rotate, the threaded rod 23 rotates to enable the connecting block 12 to move on the threaded rod 23, the connecting block 12 drives the first trapezoidal blade 17 and the second trapezoidal blade 31 to reach the upper side of the middle position of the soil layer thickness between the second circular pit and the first circular pit, the mounting block 14 is pushed downwards, the mounting block 14 drives the first trapezoidal blade 17 and the second trapezoidal blade 31 to move downwards to cut the residual soil layer, when the mounting block 14 slides to the lower end of the first sliding groove, the second arc-shaped block 33 on one side of the first vertical rod 16 is contacted with the first arc-shaped block 32 on one side of the hanging plate 13, the first arc-shaped block 32 pushes the first vertical rod 16 to enable the first sliding block 15 on the upper end of the first vertical rod 16 to slide in the second sliding groove, meanwhile, the first vertical rod 16 drives the first trapezoid blade 17 and the second trapezoid blade 31 to move to push the cut residual soil layer to approach the second round pit, the hydraulic jacking device pushes the scraper 41, the scraper 41 drives the second sliding block 4 to slide in the third sliding groove, in the moving process, the scraper 41 scrapes the soil between the two vertical plates 39, when the second sliding block 4 slides in the third sliding groove, the second sliding block 4 drives the rack 54 to move, the rack 54 drives the first gear 56 to rotate, the first gear 56 drives the rotating disc 57 to rotate, the second stirring block 58 on the rotating disc 57 stirs the stirring rod 61 to rotate, the other end of the stirring rod 61 stirs the bump 62 on the lower surface of the sliding rod 51, the sliding rod 51 slides in the sliding hole, the other end of the sliding rod 51 is separated from the cross rod 64, the adjacent support of the support plate 1 is lost, the support plate 1 with the bottom soil excavated falls.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. Subway shaft strutting arrangement, including a plurality of backup pads (1), its characterized in that: the utility model discloses a rotary cutter, including backup pad, connecting block and connecting block, backup pad (1) is arc, a plurality of be equipped with connecting device (5) between backup pad (1), a plurality of backup pad (1) link to each other can form a ring, the lower extreme of backup pad (1) is equipped with first inclined plane (11), first inclined plane (11) are adjacent with the bottom surface, be equipped with mounting bracket (2) on first inclined plane (11), be equipped with connecting block (12) on mounting bracket (2), the lower fixed connection hanger plate (13) of lower surface of connecting block (12), one side of hanger plate (13) is equipped with first spout, first spout sliding connection installation piece (14), the bottom surface of installation piece (14) is equipped with the second spout, sliding connection first slider (15) in the second spout, the lower surface fixed connection first montant (16) of first montant (16), the lower extreme fixed connection first trapezoidal blade (17) of first montant (15), both sides on the upper surface of first slider (15) all are fixed connection riser (18), two perpendicular connection riser (3) are rotated between two montant (3) and second montant (3), the first trapezoidal blade (17) coincides with the second trapezoidal blade (31).
2. A subway shaft supporting device according to claim 1, characterized in that: the mounting frame (2) comprises two mounting plates (22), the two mounting plates (22) are fixed on a first inclined plane (11), a threaded rod (23) is connected to the mounting plates (22) in a rotating mode, the threaded rod (23) is in threaded connection with the connecting block (12), and one end of the threaded rod (23) is fixedly connected with a control panel (24).
3. A subway shaft supporting device according to claim 1, characterized in that: one side of hanger plate (13) is equipped with first arc piece (32), one side fixed connection second arc piece (33) of first montant (16), fixed connection first spring (34) between one side of first slider (15) and the lateral wall of second spout, the last bottom surface of second spout is equipped with mounting groove (35), mounting groove (35) communicate with each other with the second spout, the last bottom surface fixed connection of mounting groove (35) is first to stir piece (36), the upper end of second montant (3) is located mounting groove (35) and cooperatees with first stirring piece (36), one side fixed connection control lever (37) of mounting block (14).
4. A subway shaft supporting device according to claim 1, characterized in that: the cross sections of the first trapezoidal blade (17) and the second trapezoidal blade (31) are arc-shaped.
5. A subway shaft supporting device according to claim 1, characterized in that: the lower surface fixed connection of backup pad (1) two risers (39), the lower surface of riser (39) is equipped with the third spout, sliding connection second slider (4) in the third spout, the lower surface fixed connection scraper (41) of second slider (4), two the inner wall of riser (39) lower extreme is equipped with the second inclined plane.
6. A subway shaft supporting device according to claim 1, characterized in that: connecting device (5) are including slide bar (51), one side of backup pad (1) is equipped with the slide hole, slide bar (51) are located in the slide hole and with backup pad (1) sliding connection, fixed connection second spring (52) between one end and the slide hole lateral wall of slide bar (51), the opposite side of backup pad (1) is equipped with square groove (63), square groove (63) cooperate with slide bar (51), fixed connection horizontal pole (64) in square groove (63), horizontal pole (64) are located square groove (63) middle part position.
7. The subway shaft supporting device as set forth in claim 6, wherein: the inside of backup pad (1) is equipped with inner chamber (53), inner chamber (53) are linked together with the third spout and slide hole, the last fixed surface of second slider (4) is connected rack (54), first fixed axle (55) are connected in inner chamber (53) internal rotation, the excircle fixed connection first gear (56) of first fixed axle (55), first gear (56) and rack (54) meshing, the excircle fixed connection rolling disc (57) of first fixed axle (55), the excircle fixed connection of rolling disc (57) a plurality of second toggle blocks (58), the excircle fixed connection second fixed axle (6) of inner wall of inner chamber (53), the excircle rotation of second fixed axle (6) is connected toggle rod (61), the one end of toggle rod (61) cooperatees with second toggle block (58), the lower surface fixed connection lug (62) of slide rod (51), lug (62) cooperatees with the other end of toggle rod (61).
8. The subway shaft supporting device as set forth in claim 6, wherein: one end of the sliding rod (51) is rotatably connected with a unidirectional rotating rod (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314814.9A CN113931632B (en) | 2021-11-08 | 2021-11-08 | Subway shaft strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314814.9A CN113931632B (en) | 2021-11-08 | 2021-11-08 | Subway shaft strutting arrangement |
Publications (2)
| Publication Number | Publication Date |
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| CN113931632A CN113931632A (en) | 2022-01-14 |
| CN113931632B true CN113931632B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111314814.9A Active CN113931632B (en) | 2021-11-08 | 2021-11-08 | Subway shaft strutting arrangement |
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| CN210370726U (en) * | 2019-07-12 | 2020-04-21 | 吴拾忠 | Underground coal mine support device |
| CN111764907A (en) * | 2020-07-07 | 2020-10-13 | 润盛建设集团有限公司 | Support frame for reinforced concrete guard arm template of large-section vertical shaft |
| CN112302693A (en) * | 2020-10-22 | 2021-02-02 | 福建江夏学院 | Subway tunnel antidetonation support column |
| CN212716623U (en) * | 2020-05-19 | 2021-03-16 | 河北腾是达金属结构有限公司 | Corrugated plate well cementation foundation structure and subway vertical shaft |
| CN113323669A (en) * | 2021-06-22 | 2021-08-31 | 海环科技集团股份有限公司 | Steel arch frame for circular shaft support and construction method thereof |
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2021
- 2021-11-08 CN CN202111314814.9A patent/CN113931632B/en active Active
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| CN210370726U (en) * | 2019-07-12 | 2020-04-21 | 吴拾忠 | Underground coal mine support device |
| CN212716623U (en) * | 2020-05-19 | 2021-03-16 | 河北腾是达金属结构有限公司 | Corrugated plate well cementation foundation structure and subway vertical shaft |
| CN111764907A (en) * | 2020-07-07 | 2020-10-13 | 润盛建设集团有限公司 | Support frame for reinforced concrete guard arm template of large-section vertical shaft |
| CN112302693A (en) * | 2020-10-22 | 2021-02-02 | 福建江夏学院 | Subway tunnel antidetonation support column |
| CN113323669A (en) * | 2021-06-22 | 2021-08-31 | 海环科技集团股份有限公司 | Steel arch frame for circular shaft support and construction method thereof |
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