CN114165262B - Subway tunnel segment supporting device and mounting method - Google Patents
Subway tunnel segment supporting device and mounting method Download PDFInfo
- Publication number
- CN114165262B CN114165262B CN202111372107.5A CN202111372107A CN114165262B CN 114165262 B CN114165262 B CN 114165262B CN 202111372107 A CN202111372107 A CN 202111372107A CN 114165262 B CN114165262 B CN 114165262B
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- rod
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- rod body
- support frame
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/12—Temporary supports for use during building; Accessories
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a support device and a mounting method for subway tunnel segments, wherein the support device comprises a plurality of support assemblies mounted on two sides of a passage opening, each support assembly comprises a first support frame positioned on the upper side and a second support frame positioned on the lower side, each second support frame is a door, the lower ends of vertical rods are fixed at the bottom of a tunnel, the upper ends of the vertical rods extend higher than a cross rod and are provided with threaded parts, threaded parts are sleeved with threaded sleeves, the upper sides of the threaded parts corresponding to the threaded sleeves are sleeved with pipe sleeves, a V-shaped support arm is arranged between each pipe sleeve and the lower side of a square pipe, and a hydraulic cylinder is fixedly mounted in the center of the upper side of the square pipe. The supporting effect between the first supporting frame and the second supporting frame has multi-point supporting, so that the starting point supporting problem is solved, the supporting effect is good, the installation is convenient, and the assembly and the disassembly are convenient.
Description
Technical Field
The invention belongs to the technical field of subway support, and particularly relates to a subway tunnel segment supporting device and an installation method.
Background
The subway tunnel comprises an uplink line and a downlink line, a communication channel is arranged between the uplink line and the downlink line, personnel on two sides can act interactively, overhaul and escape from emergency are convenient, the channel is formed after the installation of the duct piece is completed in the subway construction process, the duct piece which is completed in the installation process is required to be broken and cut, then the channel is excavated along a measured route, and the inner wall of the channel is also structurally supported to complete the construction of the channel.
Because the segment at the channel position is crushed, the segment support of the segment tunnel is integrally fragile, the rest segment forms a complete closed loop, the bearing capacity is very weak, and the segment tunnel is likely to deform or even collapse integrally when the segment is crushed. Therefore, a supporting frame is needed to be added in advance when the segments are crushed, and the supporting frame plays a supporting role in the whole excavation stage.
The support frame that all is a plurality of side's pipes or pipe and splice the constitution now, and the dismantlement and the installation of support frame are more troublesome, and the support degree is poor simultaneously, in the position of passageway moreover, produces the bracing piece easily, and the bracing piece in this position influences whole construction progress, because the earth in the passageway needs outward transport, erects the dolly on the track, shifts out the tunnel behind transporting the dolly with earth, but there is the bracing piece in this position, then is difficult to accomplish the convenient transportation work of earth. Therefore, the invention mainly solves the problems of low repeated utilization rate, low supporting performance and inconvenient soil transportation at the channel due to difficult disassembly and assembly of the existing supporting frame.
Disclosure of Invention
The invention aims to provide a subway tunnel segment supporting device and an installing method, which mainly solve the problems of low repeated utilization rate, low supporting performance and inconvenient soil transportation at a channel due to difficult disassembly and assembly of the existing supporting frame.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a channel port reserved position between an uplink line and a downlink line of a subway is used for a subway tunnel segment supporting device, and a track for trolley movement is arranged at the bottom of a subway tunnel;
the support assemblies comprise a first support frame and a second support frame, wherein the first support frame and the second support frame are arranged on two sides of a passage opening, the second support frame comprises a square tube which is horizontally arranged, a support plate is arranged between the square tube and the upper side wall of a tunnel, the second support frame is a door type, the second support frame comprises two vertical rods, the upper parts between the two vertical rods are connected with a cross rod, the lower ends of the vertical rods are fixed at the bottom of the tunnel, the upper ends of the vertical rods extend higher than the cross rod and are provided with threaded parts, the threaded parts are sleeved with threaded sleeves, the upper sides of the threaded parts corresponding to the threaded sleeves are sleeved with pipe sleeves, and a V-shaped support arm is arranged between each pipe sleeve and the lower side of the square tube;
the upper side center of the square tube is fixedly provided with a hydraulic cylinder, and an output shaft of the hydraulic cylinder faces downwards and penetrates through the square tube to be supported at the center of the cross rod.
Further, the backup pad is the arc, with tunnel's inside wall radian phase-match, a plurality of bracing pieces have between side's pipe and the backup pad.
Further, a reinforcing plate rib is provided on a side of the support plate corresponding to the support bar.
Further, supporting seats are arranged between the bottoms of the vertical rods and the bottom of the tunnel, and are fixed on the pipe pieces at the bottom of the tunnel through bolts.
Further, the supporting seat comprises a bottom plate and lugs, the lugs are provided with through holes, the through holes on the same side are sleeved on the same first rod body, and one end of the vertical rod corresponding to the supporting seat is sleeved on the first rod body.
Further, the included angle between the cross rod and the vertical rod is fixed with a rod sleeve, a plurality of rod sleeves on the same side are sleeved on the same second rod body, a pressing plate is arranged at the position of the tunnel corresponding to the upper side of the channel opening, a third rod body is supported between the end part of the pressing plate corresponding to the first rod body, and a fourth rod body is supported between the end part of the pressing plate corresponding to the second rod body.
Further, the pressing plate is correspondingly fixed with a fifth rod body, the end part of the fifth rod body is sleeved with the corresponding third rod body and the corresponding fourth rod body, the fourth rod body is a telescopic rod with adjustable length, the middle parts of the fourth rod bodies are sleeved with each other, and the length of the fourth rod body is adjusted through threaded fit.
Further, the pressing plate is provided with a plurality of fins for reinforcement, and the fifth rod body penetrates through the corresponding fins and is fixed.
The installation method for the subway tunnel segment supporting device comprises the following steps of:
(1) After the construction position of the passage opening is determined, supporting seats are firstly arranged at the bottoms of the two sides of the passage opening and are fixed on the duct pieces corresponding to the bottoms;
(2) The first support frame and the second support frame are simply spliced, the positions of the lower ends of the vertical rods and the lower ends of the third rod bodies are firstly positioned, then the first rod bodies are correspondingly installed, the first rod bodies respectively penetrate through the through holes, then the hydraulic cylinders are regulated to form a support between the second support frame and the first support frame, and the threaded sleeves are rotated to enable the threaded sleeves to have a supporting effect on the pipe sleeves;
(3) The position of the fourth rod body is locked, the second rod body is installed in the rod sleeve, the pressing plate is installed, the other ends of the third rod body and the fourth rod body are installed on the fifth rod body, the length of the fourth rod body is adjusted, the pressing plate has a supporting effect on the upper side of the channel opening, and installation is completed.
The invention has the following beneficial effects:
the supporting component is divided into two parts, the second supporting frame of the first supporting frame has fault tolerance in the up-down direction, the supporting arm and the hydraulic cylinder are used for supporting, the hydraulic cylinder firstly pushes the first supporting frame and the second supporting frame open, the supporting component has supporting performance on the upper side wall of a tunnel, the supporting effect is fully achieved, then the rotating threaded sleeve moves on the threaded part until the threaded sleeve has supporting effect on the bottom of the sleeve, the supporting effect between the first supporting frame and the second supporting frame has multipoint supporting, the starting point supporting problem is solved, the supporting effect is good, the installation is convenient, and the assembly and the disassembly are convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described, and it is possible for a person skilled in the art to obtain other drawings from these drawings without inventive effort.
Fig. 1: the structure of the present invention.
Fig. 2: the single set of support assemblies of the present invention is structured.
Fig. 3: the press plate mounting structure of the invention.
Fig. 4: the invention is located in the installation structure diagram of the tunnel.
Fig. 5: the construction overall structure of the invention is schematically shown.
In the drawings, the list of components represented by the various numbers is as follows:
the support comprises a first support frame 1, a second support frame 2, a square tube 11, a support plate 14, a vertical rod 21, a cross rod 22, a threaded part 23, a threaded sleeve 24, a pipe sleeve 13, a support arm 12, a hydraulic cylinder 10, a support rod 15, a plate rib 16, a support seat 3, a bottom plate 31, a lug 32, a first rod body 4, a rod sleeve 25, a second rod body 5, a pressing plate 7, a third rod body 6, a fourth rod body 8, a fifth rod body 71 and a fin 72.
Description of the embodiments
The following description of the technical solutions according to the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, where the embodiments are only some embodiments of the present invention, but not all embodiments.
In the present invention, it is to be understood that: references to orientation or positional relationship such as "open", "upper", "lower", "thickness", "top", "middle", "length", "inner", "peripheral", etc. are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the components referred to must have a particular orientation.
As shown in fig. 1-5: a channel port reserved position between an uplink line and a downlink line of a subway is used for a subway tunnel segment supporting device, and a track for trolley movement is arranged at the bottom of a subway tunnel;
the support assemblies comprise a first support frame 1 and a second support frame 2, wherein the first support frame 1 and the second support frame 2 are arranged on two sides of a passage opening, the first support frame 1 comprises a square tube 11 which is horizontally arranged, a support plate 14 is arranged between the square tube 11 and the upper side wall of a tunnel, the second support frame 2 is a door-shaped structure, the second support frame 2 comprises two vertical rods 21, a cross rod 22 is connected to the upper part between the two vertical rods 21, the lower ends of the vertical rods 21 are fixed at the bottom of the tunnel, the upper ends of the vertical rods 21 extend higher than the cross rod 22 and are provided with threaded parts 23, the threaded parts 23 are sleeved with threaded sleeves 24, a pipe sleeve 13 is sleeved on the upper side of the threaded parts 23 corresponding to the threaded sleeves 24, and a V-shaped support arm 12 is arranged between the pipe sleeve 13 and the lower side of the square tube 11; the lower end of the supporting arm is fixed on the pipe sleeve, and the upper end of the supporting arm is fixed on the lower side of the square pipe;
the hydraulic cylinder 10 is fixedly installed in the center of the upper side of the square tube 11, and the output shaft of the hydraulic cylinder 10 faces downwards and penetrates through the square tube 11 to be supported in the center of the cross bar 22.
In the invention, the supporting component is divided into two parts, the first supporting frame and the second supporting frame are mutually assembled for supporting, the integrity is good, the transportation in a tunnel is convenient, and the first supporting frame and the second supporting frame are installed in a mutually-erecting mode after being transported to a designated site. The second support frame of first support frame has the fault tolerance of upper and lower direction, support through support arm and pneumatic cylinder, the pneumatic cylinder is at first with first support frame and second support frame jack-up, make the support component have supporting property to the upper side wall of tunnel, fully play the supporting effect, then rotatory swivel nut moves on screw thread portion, until the swivel nut has supporting effect to sheathed tube bottom, make the supporting effect between first support frame and the second support frame have multiple spot to support, not only solve the starting point and support the problem, have multiple spot to support after the support is accomplished simultaneously, the supporting effect is good, simple to operate simultaneously, be convenient for equipment and dismantlement.
As shown in fig. 1: the supporting plate 14 is arc-shaped and is matched with the radian of the inner side wall of the tunnel, and a plurality of supporting rods 15 are arranged between the square tube 11 and the supporting plate 14. The backup pad is platy, leans on with tunnel inside wall, improves the area of support, improves the supporting stability.
As shown in fig. 1: the support plate 14 has a reinforcing plate rib 16 on a side corresponding to the support rod 15. For improving the supporting strength of the supporting plate.
As shown in fig. 1: the support seats 3 are arranged between the bottoms of the vertical rods 21 and the tunnel bottom, and the support seats 3 are fixed on the pipe piece at the tunnel bottom through bolts. Bolt holes are formed in corresponding positions on the duct pieces, and then holes of the supporting seat are aligned for installation, so that the supporting seat is fixed, and bottom support is achieved.
As shown in fig. 1: the supporting seat 3 comprises a bottom plate 31 and lugs 32, the bottom plate is provided with radian which is mutually attached to the duct piece, the bottom plate is provided with screw holes for fixing mounting bolts, the lugs are distributed on two sides of the bottom plate, the lugs 32 are provided with through holes, the through holes on the same side are sleeved on the same first rod body 4, and the vertical rod 21 is sleeved on the first rod body 4 corresponding to one end of the supporting seat 3. The first body of rod has two, is located the bottom of both sides montant respectively, and the montant is articulated through the mode of cup jointing with the first body of rod, and the installation of being convenient for does not influence the supporting effect.
As shown in fig. 2: the contained angle between horizontal pole 22 and montant 21 is fixed with pole cover 25, and a plurality of pole covers 25 of same one side cup joint in same second body of rod 5, and the tunnel corresponds the position of access port upside and has clamp plate 7, the tip of clamp plate 7 corresponds and supports between the first body of rod 4 has third body of rod 6, corresponds between the second body of rod 5 and supports has fourth body of rod 8. The clamp plate is used for supporting the tunnel and corresponds the upside position of access opening for improve supporting performance, in order to reserve the sufficient operating space of access opening, be convenient for transport earth etc. the position of tunnel access opening does not install supporting component, but supports the position that corresponds the access opening to the tunnel through the clamp plate, and the tip of clamp plate supports in first body of rod and second body of rod through third body of rod and fourth body of rod.
As shown in fig. 2: the pressing plate 7 is correspondingly fixed with a fifth rod body 71, the end part of the fifth rod body 71 is sleeved with the corresponding third rod body 6 and fourth rod body 8, the fourth rod body 8 is a telescopic rod with adjustable length, and the middle part of the fourth rod body 8 is sleeved with each other and is provided with a screw thread fit adjustment length. The ends of the third rod body and the fourth rod body are respectively provided with a rod sleeve, the first rod body, the second rod body and the fifth rod body are respectively sleeved with the first rod body, the second rod body and the fifth rod body to form a triangle, wherein the middle part of the fourth rod body is provided with a threaded connection part for adjusting the length, and the control pressing plate is fully contacted with the duct piece.
As shown in fig. 3: the pressing plate 7 is provided with a plurality of fins 72 for reinforcement, and the fifth rod body 71 passes through the corresponding fins 72 and is fixed. The fin is used for strengthening the intensity of clamp plate, is used for fixed fifth body of rod simultaneously.
The installation method for the subway tunnel segment supporting device comprises the following steps of:
(1) After the construction position of the passage opening is determined, the bottom parts of the two sides of the passage opening are firstly provided with supporting seats 3 which are fixed on the duct pieces corresponding to the bottom parts;
(2) The first support frame 1 and the second support frame 2 are simply spliced, the lower ends of the vertical rods 21 and the lower ends of the third rod bodies 6 are positioned firstly, then the first rod bodies 4 are correspondingly arranged and respectively penetrate through the through holes, then the hydraulic cylinders 10 are adjusted to form a support between the second support frame 2 and the first support frame 1, and the screw sleeves 24 are rotated to enable the screw sleeves 24 to have a supporting effect on the pipe 13;
(3) The position of the fourth rod body 8 is locked, the second rod body 5 is installed in the rod sleeve 25, the pressing plate 7 is installed, the other ends of the third rod body 6 and the fourth rod body 8 are installed on the fifth rod body 71, the length of the fourth rod body 8 is adjusted, the pressing plate 7 has a supporting effect on the upper side position of the channel opening, and installation is completed.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive of all details. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (2)
1. A channel port reserved position between an uplink line and a downlink line of a subway is used for a subway tunnel segment supporting device, and a track for trolley movement is arranged at the bottom of a subway tunnel; the method is characterized in that:
including installing in a plurality of supporting components of access port both sides, supporting component all includes first support frame (1) and the second support frame (2) of downside that are located the upside, first support frame (1) are including horizontal installation's square pipe (11), have backup pad (14) between the upper lateral wall of square pipe (11) and tunnel, second support frame (2) are door-type, second support frame (2) include two montants (21), and upper portion between two montants (21) is connected with horizontal pole (22), the lower extreme of montant (21) is fixed in the tunnel bottom, the upper end of montant (21) extends and is higher than horizontal pole (22) and is provided with screw thread portion (23), screw thread portion (23) has cup jointed swivel nut (24), screw thread portion (23) correspond the upside of swivel nut (24) and cup jointed pipe (13), be provided with support arm (12) that are the V type between pipe (13) and the square pipe (11) downside.
The upper center of the square tube (11) is fixedly provided with a hydraulic cylinder (10), and an output shaft of the hydraulic cylinder (10) faces downwards and penetrates through the square tube (11) to be supported at the center of the cross bar (22);
the included angle between the cross rod (22) and the vertical rod (21) is fixed with a rod sleeve (25), a plurality of rod sleeves (25) on the same side are sleeved on the same second rod body (5), a pressing plate (7) is arranged at the position, corresponding to the upper side of the channel opening, of the tunnel, a third rod body (6) is supported between the end part of the pressing plate (7) corresponding to the first rod body (4), and a fourth rod body (8) is supported between the corresponding second rod bodies (5);
the pressing plate (7) is correspondingly fixed with a fifth rod body (71), the end part of the fifth rod body (71) is sleeved with the corresponding third rod body (6) and the corresponding fourth rod body (8), the fourth rod body (8) is a telescopic rod with adjustable length, and the middle parts of the fourth rod body (8) are mutually sleeved and formed and have screw thread matching adjustment lengths;
the supporting plate (14) is arc-shaped and is matched with the radian of the inner side wall of the tunnel, and a plurality of supporting rods (15) are arranged between the square tube (11) and the supporting plate (14);
one side of the supporting plate (14) corresponding to the supporting rod (15) is provided with a reinforcing plate rib (16);
a supporting seat (3) is arranged between the bottom of the vertical rod (21) and the bottom of the tunnel, and the supporting seat (3) is fixed on a duct piece at the bottom of the tunnel through bolts;
the supporting seat (3) comprises a bottom plate (31) and lugs (32), wherein the lugs (32) are provided with through holes, the through holes on the same side are sleeved on the same first rod body (4), and one end of the vertical rod (21) corresponding to the supporting seat (3) is sleeved on the first rod body (4);
the pressing plate (7) is provided with a plurality of fins (72) for reinforcement, and the fifth rod body (71) passes through the corresponding fins (72) and is fixed.
2. A mounting method for a subway tunnel segment supporting device, comprising the subway tunnel segment supporting device according to claim 1, characterized by comprising the steps of:
(1) After the construction position of the passage opening is determined, supporting seats (3) are firstly arranged at the bottoms of the two sides of the passage opening and are fixed on the duct pieces corresponding to the bottoms;
(2) The first support frame (1) and the second support frame (2) are simply spliced, the lower ends of the vertical rods (21) and the lower ends of the third rod bodies (6) are positioned firstly, then the first rod bodies (4) are correspondingly installed, the first rod bodies respectively penetrate through the perforations, then the hydraulic cylinders (10) are adjusted to enable the second support frame (2) and the first support frame (1) to form a support, the screw sleeves (24) are rotated to enable the screw sleeves (24) to have a supporting effect on the pipe sleeves (13);
(3) Locking the position of a fourth rod body (8), installing a second rod body (5) in a rod sleeve (25), installing a pressing plate (7), installing the other ends of the third rod body (6) and the fourth rod body (8) in a fifth rod body (71), adjusting the length of the fourth rod body (8), and enabling the pressing plate (7) to have a supporting effect on the upper side of a channel opening to finish installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372107.5A CN114165262B (en) | 2021-11-18 | 2021-11-18 | Subway tunnel segment supporting device and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372107.5A CN114165262B (en) | 2021-11-18 | 2021-11-18 | Subway tunnel segment supporting device and mounting method |
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| Publication Number | Publication Date |
|---|---|
| CN114165262A CN114165262A (en) | 2022-03-11 |
| CN114165262B true CN114165262B (en) | 2024-02-27 |
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| CN202111372107.5A Active CN114165262B (en) | 2021-11-18 | 2021-11-18 | Subway tunnel segment supporting device and mounting method |
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| CN (1) | CN114165262B (en) |
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| KR20120122800A (en) * | 2011-04-29 | 2012-11-07 | (주)유경기술단 | Apparatus for forming underground dome structure by oil pressure type lift and constructing method using the same |
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| CN111236990A (en) * | 2020-03-18 | 2020-06-05 | 武汉大学 | Shield tunnel internal supporting trolley system under condition of small space, shallow earthing and small radius |
| CN210977507U (en) * | 2019-11-30 | 2020-07-10 | 成都轨道建设管理有限公司 | Subway construction mobile tunnel segment support frame |
| CN111485923A (en) * | 2018-12-05 | 2020-08-04 | 黄河科技学院 | Movable tunnel segment support frame for underground construction |
| CN212614745U (en) * | 2020-06-18 | 2021-02-26 | 中铁建大桥工程局集团第二工程有限公司 | Duct piece supporting device for subway shield tunnel construction |
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2021
- 2021-11-18 CN CN202111372107.5A patent/CN114165262B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120122800A (en) * | 2011-04-29 | 2012-11-07 | (주)유경기술단 | Apparatus for forming underground dome structure by oil pressure type lift and constructing method using the same |
| CN208564560U (en) * | 2018-07-17 | 2019-03-01 | 中铁十一局集团城市轨道工程有限公司 | Shield tunnel construction door frame |
| CN111485923A (en) * | 2018-12-05 | 2020-08-04 | 黄河科技学院 | Movable tunnel segment support frame for underground construction |
| CN209621342U (en) * | 2019-01-26 | 2019-11-12 | 中国建筑第七工程局有限公司 | A kind of subway work mobile tunnel section of jurisdiction support frame |
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| CN114165262A (en) | 2022-03-11 |
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