CN211230500U - Portal-free lining template trolley device for tunnel concrete construction - Google Patents
Portal-free lining template trolley device for tunnel concrete construction Download PDFInfo
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- CN211230500U CN211230500U CN201922258020.XU CN201922258020U CN211230500U CN 211230500 U CN211230500 U CN 211230500U CN 201922258020 U CN201922258020 U CN 201922258020U CN 211230500 U CN211230500 U CN 211230500U
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- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009415 formwork Methods 0.000 description 8
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- 230000003111 delayed effect Effects 0.000 description 2
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- 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
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Lining And Supports For Tunnels (AREA)
Abstract
A portal-free lining template trolley device for tunnel concrete construction is characterized in that a rectangular frame is arranged at the upper part of a combined frame body, a pair of cross beams are symmetrically arranged at two ends of the rectangular frame at the upper part of a combined upright post, and a top supporting template is arranged above the combined frame body; the lower ends of the two sides of the top supporting template are symmetrically provided with edge supporting templates; at least three pairs of template inner supporting beams are correspondingly and uniformly distributed on the inner side of the side supporting template, and an inner supporting beam screw rod is arranged between the slope end parts of the opposite interfaces of the template inner supporting beams; the lower ends of the bottom edge templates on the two sides are respectively and uniformly provided with template body foundation screw rods and template body inclined strut screw rods; an operation platform and a man ladder are respectively arranged between the upper end of the combined frame body and the top supporting template and in the middle of the inner side of the side supporting template; the combined frame body of the utility model has large space below and can be safely passed by transport vehicles and constructors; the parts of the combined frame body are convenient to disassemble, and safe production and use are ensured.
Description
Technical Field
The utility model relates to a tunnel concrete construction lining cutting platform truck device, especially a tunnel concrete construction's no portal lining cutting template platform truck device.
Background
At present, a formwork trolley used in tunnel concrete lining construction in China is supported by a portal, the portal of the existing formwork trolley is a welded fixed portal, more fixed portals are used by the formwork trolley, most of construction sites are in mountainous areas due to more parts and structural beams of the formwork trolley, the weight and the volume are large, the transportation difficulty of the formwork trolley and equipment is caused by the construction of the mountainous areas, the parts of the formwork trolley are welded into a whole after being conveyed to the construction sites, then the formworks are installed, lead screws between the structural beams of the portal and the formworks are staggered and complex, the construction space is occupied, and the transportation of vehicles is influenced; in addition, after the tunnel concrete lining construction is finished, the existing lining template trolley is difficult to disassemble, most of the disassembled parts are cut or damaged and cannot be reused, more workers are used in the disassembling process, the occupied space of the tunnel is longer, the cost is high, and the construction period is delayed; in view of the above, a gantry-free lining form trolley device for tunnel concrete construction is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects that the weight and the volume of the components of the template trolley are large, most of construction sites are in mountainous areas, the transportation difficulty of the template trolley and equipment is caused by the construction of the mountainous areas, the components of the template trolley are welded into a whole after being conveyed to the construction sites, and templates are installed again; in addition, after the tunnel concrete lining construction is finished, the existing lining form trolley is difficult to disassemble, most parts after the disassembly are cut or damaged and cannot be reused, more manpower is used in the disassembling process, the occupied space of the tunnel is longer, the cost is high, the construction period is delayed, and the portal-free lining form trolley device for tunnel concrete construction is provided through reasonable design; the utility model adopts the technical scheme that after the vehicle part of the non-portal lining template trolley is conveyed to a construction site, the combined upright post, the walking wheel device, the lifting walking device and the longitudinal beam of the combined frame body are combined and installed as a supporting frame body, the template internal supporting beam and the template are assembled into an arched template supporting body, and the combined frame body and the template supporting body are combined into the non-portal lining template trolley; the screw rod intersection of the fixed portal frame, the construction beam and the staggered support template is saved; the lower part and the two sides of the combined frame body of the utility model reserve a large space, and the transportation vehicle and the construction personnel carrying tools can pass safely; after the lining construction of concrete is completed, the parts of the combined frame body are convenient to disassemble, the disassembled parts are not easy to damage, and can be repeatedly utilized, so that a large amount of labor and equipment investment is saved, the construction progress is accelerated, the economic benefit is greatly improved, and the safe production and use are ensured.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme, a no portal lining cutting form trolley device of tunnel concrete construction is by: the combined type frame body, a combined type upright post, a top supporting template, an edge supporting template, a lower operating platform, a middle operating platform, a top operating platform, a template body foundation screw rod, a template body inclined strut screw rod, a lower operating platform ladder, an upper operating platform ladder, a top template movable edge strip, a template inner supporting beam, an inner supporting beam screw rod, a walking wheel device, a lifting sleeve box device, a longitudinal beam, a cross beam loose joint, a top inner supporting beam, an inner supporting beam corner, a straight wall cushion block, a bottom edge template, a transverse moving oil cylinder and a top template seat; the upper part of the combined frame body is provided with a rectangular frame, four corners of the rectangular frame are respectively provided with a combined upright post, the upper ends of the combined upright posts are respectively provided with a cover plate, the cover plates are respectively and transversely provided with a pair of top touch seats, and a pair of chutes are respectively arranged on the pair of top touch seats; the lower parts of the combined type upright posts are respectively provided with a lifting sleeve box device, and the lower ends of the lifting sleeve box devices are respectively provided with a travelling wheel device; a pair of longitudinal beams are symmetrically arranged on two sides of a rectangular frame on the upper portion of the combined upright post, a pair of cross beams are symmetrically arranged at two ends of the rectangular frame on the upper portion of the combined upright post, one ends of the cross beams are movably connected with the cross beams, and a butt flange is arranged between the cross beams and the movable connection of the cross beams; the upper surfaces of the other ends of the pair of cross beams are respectively provided with a transverse moving oil cylinder corresponding to the top touch seat; a top supporting template is arranged above the combined frame body, at least three top inner supporting beams are uniformly distributed on the inner side of the top supporting template, two ends of the at least three top inner supporting beams are arranged at the corners of the inner supporting beams, edge strip openings are reserved in the lower parts of two sides of the top supporting template in the longitudinal direction of opening parts corresponding to the corners of the inner supporting beams, top mold movable edge strips are arranged in the edge strip openings, and at least three pairs of hinge lugs are uniformly distributed between the upper edges of the top mold movable edge strips and the edge strip openings; the lower ends of two sides of the top supporting template are symmetrically provided with edge supporting templates, the lower ends of the edge supporting templates at two sides are symmetrically provided with bottom edge templates, and at least three pairs of hinge lugs are uniformly distributed on the inner side between the lower ends of the edge supporting templates and edge seams of the bottom edge templates;
at least three pairs of hinge lugs are uniformly distributed between the lower end of the side supporting template and the inner side seam of the bottom edge template, at least three pairs of template inner supporting beams are correspondingly and uniformly distributed on the inner sides of the side supporting template and the bottom edge template, the template inner supporting beams are set to be arc-shaped, the side supporting template and the upper end and the lower end of the template inner supporting beams of the bottom edge template are correspondingly arranged, the end parts of interfaces of the template inner supporting beams, which are opposite to each other, are set to be slopes, an inner supporting beam screw rod is arranged between the slope end parts of the interfaces of the template inner supporting beams, and the hinge lugs are respectively arranged between the two ends of the inner supporting beam screw rod and the; the lower ends of the bottom side templates on two sides are respectively and uniformly provided with at least five pairs of template body foundation screw rods, the lower parts of the bottom side templates on two sides are respectively provided with template body inclined strut screw rods corresponding to the inner sides of the positions of the template body foundation screw rods, the lower ends of the template body inclined strut screw rods are respectively provided with straight wall cushion blocks, and hinge lugs are respectively arranged between the two ends of the template body inclined strut screw rods and the bottom side templates and the straight wall cushion blocks;
a top operating platform is arranged between the upper end of the combined frame body and the top supporting template, a man-ladder steering platform is arranged between the outer side of the top operating platform and the combined upright post, and an upper operating platform man ladder is arranged between the man-ladder steering platform and the ground; the lower part and the middle part of the inner side of the supporting template at two side edges of the top supporting template are respectively provided with two layers of platforms which are respectively arranged as a lower operating platform and a middle operating platform, a step is arranged between the middle operating platform and a step steering platform, and a step ladder of the lower operating platform is arranged between the lower operating platform and the ground;
sliding keys are arranged below the top operating platform and correspond to the sliding grooves of the top touch seat respectively, a sliding shaft of the top operating platform is arranged in the sliding groove of the top touch seat correspondingly, and hinge lugs are arranged between one side of the sliding shaft and an oil cylinder rod of the transverse moving oil cylinder correspondingly.
Has the advantages that: the utility model adopts the technical scheme that after the vehicle part of the non-portal lining template trolley is conveyed to a construction site, the combined upright post, the walking wheel device, the lifting walking device and the longitudinal beam of the combined frame body are combined and installed as a supporting frame body, the template internal supporting beam and the template are assembled into an arched template supporting body, and the combined frame body and the template supporting body are combined into the non-portal lining template trolley; the screw rod intersection of the fixed portal frame, the construction beam and the staggered support template is saved; the lower part and the two sides of the combined frame body of the utility model reserve a large space, and the transportation vehicle and the construction personnel carrying tools can pass safely; after the lining construction of concrete is completed, the parts of the combined frame body are convenient to disassemble, the disassembled parts are not easy to damage, and can be repeatedly utilized, so that a large amount of labor and equipment investment is saved, the construction progress is accelerated, the economic benefit is greatly improved, and the safe production and use are ensured.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic view of the assembly structure;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic perspective view of FIG. 1;
FIG. 4 is a schematic bottom view of the structure of FIG. 1;
FIG. 5 is a schematic view of the structure of the sectional shelf of FIG. 1;
in fig. 1, 2, 3, 4, 5: the combined type frame body 1, the combined type upright post 2, the top supporting template 3, the side supporting template 4, the lower operating platform 5, the middle operating platform 6, the top operating platform 7, the template body anchor screw 8, the template body inclined supporting screw 9, the lower operating platform ladder 10, the upper operating platform ladder 11, the top template movable edge strip 12, the template inner supporting beam 13, the inner supporting beam screw 14, the walking wheel device 15, the lifting sleeve box device 16, the longitudinal beam 17, the cross beam 18, the cross beam loose joint 19, the top inner supporting beam 20, the inner supporting beam corner 21, the straight wall cushion block 22, the bottom side template 23, the transverse moving oil cylinder 24 and the top touch seat 25.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the upper part of the combined frame body 1 is provided with a rectangular frame, four corners of the rectangular frame are respectively provided with a combined upright post 2, the upper end of each combined upright post 2 is provided with a cover plate, the cover plates are transversely provided with a pair of top touch seats 25, and the pair of top touch seats 25 are respectively provided with a pair of sliding chutes; the lower parts of the combined upright posts 2 are respectively provided with a lifting sleeve box device 16, and the lower ends of the lifting sleeve box devices 16 are respectively provided with a travelling wheel device 15; a pair of longitudinal beams 17 are symmetrically arranged on two sides of a rectangular frame on the upper portion of the combined upright post 2, a pair of cross beams 18 are symmetrically arranged at two ends of the rectangular frame on the upper portion of the combined upright post 2, one end of each cross beam 18 is provided with a cross beam loose joint 19, and a butt flange is arranged between each cross beam 18 and the cross beam loose joint 19; the upper surfaces of the other ends of the pair of beams 18 are respectively provided with a transverse moving oil cylinder 24 corresponding to the top die seat 25; a top supporting template 3 is arranged above the combined frame body 1, at least three top inner supporting beams 20 are uniformly distributed on the inner side of the top supporting template 3, two ends of each top inner supporting beam 20 are arranged to be inner supporting beam corners 21, edge strip openings are reserved in the lower parts of two sides of the top supporting template 3 longitudinally corresponding to the opening parts of the inner supporting beam corners 21, top mold movable edge strips 12 are arranged in the edge strip openings, and at least three pairs of hinge lugs are uniformly distributed between the upper edges of the top mold movable edge strips 12 and the edge strip openings; the lower ends of two sides of the top supporting template 3 are symmetrically provided with edge supporting templates 4, the lower ends of the edge supporting templates 4 at two sides are symmetrically provided with bottom edge templates 23, and at least three pairs of hinge lugs are uniformly distributed on the inner side between the lower ends of the edge supporting templates 4 and edge seams of the bottom edge templates 23;
at least three pairs of hinge lugs are uniformly distributed between the lower end of the side supporting template 4 and the inner side seam of the bottom edge template 23, at least three pairs of template inner supporting beams 13 are correspondingly and uniformly distributed on the inner sides of the side supporting template 4 and the bottom edge template 23, the template inner supporting beams 13 are arc-shaped, the upper ends and the lower ends of the side supporting template 4 and the template inner supporting beams 13 of the bottom edge template 23 are correspondingly arranged, the opposite interface end parts of the template inner supporting beams 13 are arranged into slopes, inner supporting beam lead screws 14 are arranged between the slope end parts of the interfaces of the template inner supporting beams 13, and the hinge lugs are respectively arranged between the slopes at the two ends of the inner supporting beam lead screws 14 and the slopes at the two ends of the interfaces of the template inner; the lower ends of the bottom side templates 23 on two sides are respectively and uniformly provided with at least five pairs of template body foundation screw rods 8, the lower parts of the bottom side templates 23 on two sides are respectively provided with template body inclined strut screw rods 9 corresponding to the inner sides of the positions of the template body foundation screw rods 8, the lower ends of the template body inclined strut screw rods 9 are respectively provided with straight wall cushion blocks 22, and hinge lugs are respectively arranged between the two ends of the template body inclined strut screw rods 9 and the bottom side templates 23 and the straight wall cushion blocks 22;
a top operation table 7 is arranged between the upper end of the combined frame body 1 and the top supporting template 3, a man-ladder steering table is arranged between the outer side of the top operation table 7 and the combined upright post 2, and an upper operation table man ladder 11 is arranged between the man-ladder steering table and the ground; the lower part and the middle part of the inner side of the supporting template 4 at two side edges of the top supporting template 3 are respectively provided with two layers of platforms which are respectively arranged as a lower operating platform 5 and a middle operating platform 6, a step is arranged between the middle operating platform 6 and a man-lift steering platform, and a man-lift 10 of the lower operating platform is arranged between the lower operating platform 5 and the ground;
sliding keys are arranged below the top operating platform 7 and correspond to the sliding grooves of the top touch seat 25 respectively, a sliding shaft of the top operating platform 7 is arranged in the sliding groove of the top touch seat 25 correspondingly, and hinge lugs are arranged between one side of the sliding shaft and the oil cylinder rod of the transverse moving oil cylinder 24 correspondingly.
Claims (4)
1. A kind of tunnel concrete construction does not have framework lining cutting form jumbo device, by: the combined type frame comprises a combined type frame body (1), a combined type upright post (2), a top supporting template (3), a side supporting template (4), a lower operating platform (5), a middle operating platform (6), a top operating platform (7), template body foundation screw rods (8), template body inclined supporting screw rods (9), a lower operating platform ladder (10), an upper operating platform ladder (11), a top template movable edge strip (12), a template inner supporting beam (13), an inner supporting beam screw rod (14), a walking wheel device (15), a lifting sleeve box device (16), a longitudinal beam (17), a cross beam (18), a cross beam loose joint (19), a top inner supporting beam (20), an inner supporting beam corner (21), a straight wall cushion block (22), a bottom side template (23), a transverse moving oil cylinder (24) and a top die seat (25); the method is characterized in that: the upper part of the combined frame body (1) is provided with a rectangular frame, four corners of the rectangular frame are respectively provided with a combined upright post (2), the upper ends of the combined upright posts (2) are respectively provided with a cover plate, the cover plates are respectively and transversely provided with a pair of top touch seats (25), and a pair of sliding grooves are respectively arranged on the pair of top touch seats (25); the lower parts of the combined upright posts (2) are respectively provided with a lifting sleeve box device (16), and the lower ends of the lifting sleeve box devices (16) are respectively provided with a travelling wheel device (15); a pair of longitudinal beams (17) are symmetrically arranged on two sides of a rectangular frame on the upper portion of the combined upright post (2), a pair of cross beams (18) are symmetrically arranged at two ends of the rectangular frame on the upper portion of the combined upright post (2), one end of each cross beam (18) is provided with a cross beam loose joint (19), and a butt flange is arranged between each cross beam (18) and each cross beam loose joint (19); the upper surfaces of the other ends of the pair of beams (18) are respectively provided with a transverse moving oil cylinder (24) corresponding to the top die seat (25); a top supporting template (3) is arranged above the combined frame body (1), at least three top inner supporting beams (20) are uniformly distributed on the inner side of the top supporting template (3), inner supporting beam corners (21) are arranged at two ends of the at least three top inner supporting beams (20), edge strip openings are longitudinally reserved at the lower parts of two sides of the top supporting template (3) corresponding to the opening parts of the inner supporting beam corners (21), top mould movable edge strips (12) are arranged in the edge strip openings, and at least three pairs of hinge lugs are uniformly distributed between the upper edges of the top mould movable edge strips (12) and the edge strip openings; the lower ends of the two sides of the top supporting template (3) are symmetrically provided with edge supporting templates (4), the lower ends of the edge supporting templates (4) of the two sides are symmetrically provided with bottom edge templates (23), and at least three pairs of hinge lugs are uniformly distributed on the inner side between the lower ends of the edge supporting templates (4) and edge seams of the bottom edge templates (23).
2. The gate-frame-free lining form trolley device for tunnel concrete construction according to claim 1, wherein: at least three pairs of hinge lugs are uniformly distributed between the lower end of the side supporting template (4) and the inner side joint of the bottom edge template (23), at least three pairs of template inner supporting beams (13) are correspondingly and uniformly distributed on the inner sides of the side supporting template (4) and the bottom edge template (23), the template inner supporting beams (13) are arranged in an arc shape, the upper end and the lower end of the template inner supporting beams (13) of the side supporting template (4) and the bottom edge template (23) are correspondingly arranged, the end part of an interface corresponding to the template inner supporting beams (13) is arranged in a slope, an inner supporting beam lead screw (14) is arranged between the slope end parts of the opposite interfaces of the template inner supporting beams (13), and hinge lugs are respectively arranged between the slopes at the two ends of the opposite interfaces of the inner supporting beam lead screw (14) and the template inner supporting; the lower ends of the bottom side templates (23) on two sides are respectively and uniformly provided with at least five pairs of template body anchor screw rods (8), the lower parts of the bottom side templates (23) on two sides are respectively provided with template body inclined strut screw rods (9) corresponding to the inner sides of the positions of the template body anchor screw rods (8), the lower ends of the template body inclined strut screw rods (9) are respectively provided with straight wall cushion blocks (22), and hinge lugs are respectively arranged between the two ends of the template body inclined strut screw rods (9) and the bottom side templates (23) and the straight wall cushion blocks (22).
3. The gate-frame-free lining form trolley device for tunnel concrete construction according to claim 1, wherein: a top operating platform (7) is arranged between the upper end of the combined frame body (1) and the top supporting template (3), a man-ladder steering platform is arranged between the outer side of the top operating platform (7) and the combined upright post (2), and an upper operating platform man ladder (11) is arranged between the man-ladder steering platform and the ground; the lower part and the middle part of the inner side of the supporting template (4) at the two sides of the top supporting template (3) are respectively provided with two layers of platforms, the two layers of platforms are respectively arranged to be a lower operating platform (5) and a middle operating platform (6), steps are arranged between the middle operating platform (6) and the man ladder steering platform, and a man ladder (10) of the lower operating platform is arranged between the lower operating platform (5) and the ground.
4. The gate-frame-free lining form trolley device for tunnel concrete construction according to claim 1, wherein: sliding keys are arranged below the top operating platform (7) and correspond to sliding grooves of the top touch seat (25) respectively, sliding shafts of the top operating platform (7) are correspondingly arranged in the sliding grooves of the top touch seat (25), and hinge lugs are correspondingly arranged between one side of each sliding shaft and an oil cylinder rod of the transverse moving oil cylinder (24).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922258020.XU CN211230500U (en) | 2019-12-16 | 2019-12-16 | Portal-free lining template trolley device for tunnel concrete construction |
| PCT/CN2020/122486 WO2021120832A1 (en) | 2019-12-16 | 2020-10-21 | Portal-free lining formwork trolley device for concrete construction of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922258020.XU CN211230500U (en) | 2019-12-16 | 2019-12-16 | Portal-free lining template trolley device for tunnel concrete construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230500U true CN211230500U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922258020.XU Active CN211230500U (en) | 2019-12-16 | 2019-12-16 | Portal-free lining template trolley device for tunnel concrete construction |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211230500U (en) |
| WO (1) | WO2021120832A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577348A (en) * | 2020-05-14 | 2020-08-25 | 中铁一局集团有限公司 | Quick bottom supporting device and method for lining trolley |
| WO2021120832A1 (en) * | 2019-12-16 | 2021-06-24 | 洛阳高飞桥隧机械有限公司 | Portal-free lining formwork trolley device for concrete construction of tunnel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201884035U (en) * | 2010-12-10 | 2011-06-29 | 中铁隧道集团有限公司 | Gantry-less tunnelling shutter jumbo for tunnel lining |
| JP6146895B2 (en) * | 2012-05-29 | 2017-06-14 | 前田建設工業株式会社 | Forming device for tunnel lining |
| CN207829914U (en) * | 2018-01-29 | 2018-09-07 | 云南建投建筑机械有限公司 | A kind of lining trolley of pure frame structure |
| CN109723469B (en) * | 2019-01-16 | 2021-03-02 | 北京市政路桥股份有限公司 | Two-lining trolley for large-section subway station tunnel |
| CN110486045A (en) * | 2019-08-06 | 2019-11-22 | 中铁五局集团第五工程有限责任公司 | Arch bridge type tunnel lining trolley |
| CN211230500U (en) * | 2019-12-16 | 2020-08-11 | 洛阳高飞桥隧机械有限公司 | Portal-free lining template trolley device for tunnel concrete construction |
-
2019
- 2019-12-16 CN CN201922258020.XU patent/CN211230500U/en active Active
-
2020
- 2020-10-21 WO PCT/CN2020/122486 patent/WO2021120832A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021120832A1 (en) * | 2019-12-16 | 2021-06-24 | 洛阳高飞桥隧机械有限公司 | Portal-free lining formwork trolley device for concrete construction of tunnel |
| CN111577348A (en) * | 2020-05-14 | 2020-08-25 | 中铁一局集团有限公司 | Quick bottom supporting device and method for lining trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021120832A1 (en) | 2021-06-24 |
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Address after: 471000 south of Xitie road, Xiagou village, Hongshan Township, Xigong District, Luoyang City, Henan Province Patentee after: Luoyang Gaofei Bridges and Tunnels Machinery Co.,Ltd. Address before: 471000 south of Xitie road, Xiagou village, Hongshan Township, Xigong District, Luoyang City, Henan Province Patentee before: LUOYANG GAOFEI BRIDGE AND TUNNEL MACHINERY Co.,Ltd. |
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