CN209838432U - Lining trolley for large-span tunnel construction - Google Patents
Lining trolley for large-span tunnel construction Download PDFInfo
- Publication number
- CN209838432U CN209838432U CN201920250037.8U CN201920250037U CN209838432U CN 209838432 U CN209838432 U CN 209838432U CN 201920250037 U CN201920250037 U CN 201920250037U CN 209838432 U CN209838432 U CN 209838432U
- Authority
- CN
- China
- Prior art keywords
- frame body
- portal frame
- frame
- upright post
- upper platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
A lining trolley for large-span tunnel construction comprises a first frame body, a second frame body, a template assembly, a walking jacking mechanism and an upper platform, wherein the first frame body and the second frame body are arranged in parallel and fixedly connected with each other; the walking jacking mechanism is used for driving the first support body and the second support body to walk synchronously and is connected with the first support body and the second support body. The utility model discloses a structure of two support bodies not only can guarantee the bulk strength of platform truck, but also make full use of current general support body to but the not unidimensional construction tunnel of adaptation, it has very strong commonality and suitability. In addition, it still can guarantee construction operation space, guarantees that staff convenient operation guarantees the lining cutting quality, and it has very strong practicality.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of tunnel construction equipment technique and specifically relates to a lining cutting platform truck for big span tunnel construction is related to.
[ background of the invention ]
The lining trolley is special equipment used in secondary lining in the tunnel construction process and is used for concrete lining construction of the inner wall of the tunnel. With the rapid development of highway network construction, lining trolleys of various specifications are required, the traditional lining trolley is mainly applied to tunnel construction of three lanes and four lanes, and the strength of the traditional lining trolley cannot support the weight of concrete during pouring when construction of five lanes and more lanes is carried out.
[ Utility model ] content
The utility model aims at solving the above problem, and provide a can guarantee that lining cutting quality, platform truck intensity are high be used for tunnel construction more than five lanes to be used for the lining cutting platform truck of big span tunnel construction.
In order to achieve the above object, the present invention provides a lining trolley for large span tunnel construction, which is characterized in that the lining trolley comprises a first frame body, a second frame body, a template component, a walking jacking mechanism and an upper platform, wherein the first frame body and the second frame body are arranged in parallel and are fixedly connected with each other, the tops of the first frame body and the second frame body are parallel and connected with each other, the upper platform is arranged at the tops of the first frame body and the second frame body, the template component is arched and is arranged at the periphery of the first frame body and the second frame body, and the template component is connected with the first frame body, the second frame body and the upper platform; the walking jacking mechanism is used for driving the first support body and the second support body to walk synchronously and is connected with the first support body and the second support body.
The first frame body comprises a first portal frame, a first outer stand column, a first inner stand column, a first bottom longitudinal beam and a first portal diagonal brace, the first outer stand column and the first inner stand column are arranged on two sides of the first portal frame, the first bottom longitudinal beam is respectively connected to the lower ends of the first outer stand column and the first inner stand column, and the first portal diagonal brace is connected between the first portal frame and the first bottom longitudinal beam; the second frame body comprises a second portal frame, a second outer upright post, a second inner upright post, a second bottom longitudinal beam and a second portal frame diagonal brace, the second outer upright post and the second inner upright post are arranged on two sides of the second portal frame, the second bottom longitudinal beam is respectively connected to the lower ends of the second outer upright post and the second inner upright post, and the second portal frame diagonal brace is connected between the second portal frame and the second bottom longitudinal beam; the first inner upright post and the second inner upright post are spaced in parallel and connected with each other through the upright post connecting beam.
The top of the first portal frame is parallel to the top of the second portal frame, and the first portal frame and the second portal frame are parallel and spaced, and the top of the first portal frame is fixedly connected with the top of the second portal frame through a connecting frame body.
The template assembly comprises a long top mold, a short top mold, two side molds and two bottom molds, wherein one end of the long top mold is hinged with one end of the short top mold, the other ends of the long top mold and the short top mold are respectively hinged with one end of the side molds, and the other ends of the side molds are respectively hinged with the bottom molds; the long top die and the short top die are connected with the upper platform through the translation oil cylinder, and the side die and the bottom die are connected with the stand column through the screw rod.
The length of the long top die is larger than that of the short top die, and the hinged position of the long top die and the short top die is deviated from the center of the first inner upright post and the center of the second inner upright post to one side of the second inner upright post.
The side die and the bottom die are respectively arranged symmetrically.
The upper platform comprises an upper platform and a lower platform, the lower platform is connected to the tops of the first portal frame, the second portal frame and the connecting frame body, a first translation oil cylinder and a second translation oil cylinder are respectively arranged on two sides of the lower platform, the first translation oil cylinder is connected with the long top die, and the second translation oil cylinder is connected with the short top die; the upper platform is arranged above the lower platform, a template upright post, a template cross beam and a third translation oil cylinder are arranged on the upper platform, the top end of the template upright post is respectively connected with the long top die and the short top die, the template cross beam is parallel to the upper platform, the third translation oil cylinder is arranged between the upper platform and the template cross beam, one end of the template cross beam is connected with the long top die, and the other end of the template cross beam is connected with the short top die.
The ladder stand is characterized by further comprising a ladder stand, wherein the bottom end of the ladder stand is arranged between the first inner stand column and the second inner stand column, and the top end of the ladder stand is connected to the upper platform.
The walking and jacking mechanism comprises a walking device and a jacking device, the walking device comprises a driving electric and walking wheel set, the jacking device comprises an inner telescopic sleeve, an outer telescopic sleeve and a jacking oil cylinder, one end of the inner telescopic sleeve is fixedly connected with the walking device, the other end of the inner telescopic sleeve is arranged in the outer telescopic sleeve, the outer telescopic sleeve is fixedly connected with the first bottom longitudinal beam and the second bottom longitudinal beam respectively, and the jacking oil cylinder is connected with the top end of the inner telescopic sleeve.
The beneficial contributions of the utility model reside in that, play and effectively solved above-mentioned problem. The utility model discloses a lining cutting platform truck for big span tunnel construction, its adopt general support body and the special support body double-frame structure that combines together, not only can guarantee the bulk strength of platform truck, but also make full use of current general support body, improve the repeated utility rate that has current support body, but the not unidimensional construction tunnel of adaptation moreover, it has very strong commonality and suitability, can satisfy the construction demand in not unidimensional big span tunnel. Furthermore, the utility model discloses a construction operation space still can be guaranteed to the structure of two support bodies, guarantees staff convenient operation, guarantees the lining cutting quality, and it has very strong practicality, should widely popularize.
[ description of the drawings ]
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the walking jacking mechanism.
The first frame body 10, the first portal frame 11, the first outer upright post 12, the first inner upright post 13, the first bottom longitudinal beam 14, the first portal diagonal brace 15, the first diagonal brace support 16, the second frame body 20, the second portal frame 21, the second outer upright post 22, the second inner upright post 23, the second bottom longitudinal beam 24, the second portal diagonal brace 25, the second diagonal brace support 26, the template component 30, the long top mold 31, the short top mold 32, the side mold 33, the bottom mold 34, the walking jacking mechanism 40, the driving motor 41, the walking wheel set 42, the inner telescopic sleeve 43, the outer telescopic sleeve 44, the jacking cylinder 45, the upper platform 50, the upper platform 51, the lower platform 52, the ladder stand 60, the upright post connecting beam 71, the connecting frame body 72, the template upright post 81, the first translation cylinder 82, the second translation cylinder 83, the third translation cylinder 84, the template cross beam 85, the lead screw 86, the second outer upright post 22, the first diagonal brace 26, the second diagonal brace,
[ detailed description ] embodiments
The following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.
As shown in fig. 1 to 2, the lining trolley for large-span tunnel construction of the present invention includes a first frame body 10, a second frame body 20, a formwork assembly 30, a walking jacking mechanism 40, an upper platform 50 and a ladder 60.
As shown in fig. 1, the first frame 10 and the second frame 20 are basic mechanisms including a main steel structural portion of the entire trolley, which supports the formwork assembly 30. The first frame 10 and the second frame 20 may have the same or different structures. In this embodiment, the first frame 10 and the second frame 20 preferably have the same structure, and a common three-lane frame structure may be adopted, so that the versatility of the frame may be maintained, and the recycling rate of the structure may be improved.
In this embodiment, as shown in fig. 1, the first frame body 10 includes a first portal frame 11, a first outer column 12, a first inner column 13, a first bottom longitudinal beam 14, and a first portal diagonal brace 15. The first outer upright post 12 and the first inner upright post 13 are respectively arranged at two sides of the first portal frame 11 and are vertically arranged; the first bottom longitudinal beam 14 is connected to the lower ends of the first outer vertical column 12 and the first inner vertical column 13 respectively, is transversely arranged, is perpendicular to the first outer vertical column 12 and the first inner vertical column 13, and is relatively parallel to the ground. The first portal diagonal 15 is connected between the first portal frame 11 and the first bottom longitudinal beam 14, and a triangle is formed between the first portal frame 11 and the first bottom longitudinal beam 14, so that the structural stability can be enhanced. Further, a first inclined strut support 16 can be arranged between the first portal inclined strut 15 and the first portal frame 11 and between the first bottom longitudinal beam 14.
As shown in fig. 1, the second frame body 20 includes a second portal frame 21, a second outer column 22, a second inner column 23, a second bottom longitudinal beam 24, and a second portal frame diagonal 25. The second outer upright column 22 and the second inner upright column 23 are respectively arranged on two sides of the second portal frame 21 and are vertically arranged; the second bottom longitudinal beam 24 is respectively connected to the lower ends of the second outer vertical column 22 and the second inner vertical column 23, is transversely arranged, is perpendicular to the second outer vertical column 22 and the second inner vertical column 23, and is relatively parallel to the ground. The second portal frame diagonal brace 25 is connected between the second portal frame 21 and the second bottom longitudinal beam 24, and forms a triangle with the second portal frame 21 and the second bottom longitudinal beam 24, so that the structural stability can be enhanced. Further, a second inclined strut support 26 can be arranged between the second portal frame inclined strut 25 and the second portal frame 21 and the second bottom longitudinal beam 24.
When the width of the construction tunnel is wide, the first frame body 10 and the second frame body 20 are spaced, the first inner upright column 13 and the second inner upright column 23 are spaced in parallel, and the tops of the first portal frame 11 and the second portal frame 21 are flush and spaced in parallel. As shown in fig. 1, in order to stably connect the first frame body 10 and the second frame body 20, a column connecting beam 71 is fixedly connected between the first inner column 13 and the second inner column 23, and a connecting frame body 72 is connected to the tops of the first portal frame 11 and the second portal frame 21. The column connecting beam 71 is horizontally disposed, perpendicular to the first inner column 13 and the second inner column 23, and can be connected between the first inner column 13 and the second inner column 23 through a bolt structure. The connecting frame body 72 is horizontally arranged, the top of the connecting frame body is flush with the top of the first portal frame 11 and the top of the second portal frame 21, and the connecting frame body is connected with the top of the first portal frame 11 and the top of the second portal frame 21.
In specific implementation, the distance between the first inner vertical column 13 and the second inner vertical column 23 can be determined according to the width of the construction tunnel, so that the column connecting beam 71 and the connecting frame body 72 with corresponding sizes can be customized and fixedly connected between the first inner vertical column 13 and the second inner vertical column 23 and between the first portal frame 11 and the second portal frame 21, and thus the first frame body 10 and the second frame body 20 are connected together to adapt to the width of the construction tunnel. In this embodiment, first support body 10 and second support body 20 can adopt general support body, and crossbeam 71 and connection support body 72 can form special support body are connected to the stand, and the commonality of support body not only can be guaranteed to this kind of general support body and special support body frame structure that combines together, improves the reuse rate of current support body, can satisfy not unidimensional tunnel construction demand moreover, and it has very strong commonality and suitability.
As shown in fig. 1, the upper platform 50 is provided on the top of the first and second racks 10 and 20, and is a double-deck platform including an upper platform 51 and a lower platform 52. The lower platform 52 is connected to the tops of the first gantry 11, the second gantry 21 and the connecting frame 72. The upper stage 51 is disposed above the lower stage 52. The upper and lower stages 51 and 52 may be constructed in accordance with known techniques.
As shown in fig. 1, the formwork assembly 30 is used for lining, and includes six rigid formworks, the formworks are hinged to each other, and can laterally extend and horizontally move up and down, and a certain number of concrete conveying and vibrating openings are formed in the rigid formworks. In this embodiment, the template assembly 30 includes a long top mold 31, a short top mold 32, two side molds 33, and two bottom molds 34. One end of the long top die 31 is hinged to one end of the short top die 32, the other ends of the long top die 31 and the short top die 32 are hinged to one end of the side die 33, and the other end of the side die 33 is hinged to the bottom die 34.
As shown in fig. 1, a formwork upright 81 is disposed on the upper platform 51, the formwork upright 81 is vertically disposed, one end of the formwork upright 81 is connected to the upper platform 51, and the other end of the formwork upright 81 is connected to the long top mold 31 and the short top mold 32, and is used for supporting the long top mold 31 and the short top mold 32. The arrangement of the formwork columns 81 can be referred to the known art. In order to lift the long top die 31 and the short top die 32, an oil cylinder may be provided on the template column 81.
As shown in fig. 1, to effect translation of the platen assembly 30, a translation cylinder is provided on the upper platform 50. Specifically, a first translation cylinder 82 and a second translation cylinder 83 are respectively arranged on two sides of the lower platform 52, and a third translation cylinder 84 and a template beam 85 are arranged on the upper platform 51. One end of the first translation cylinder 82 is connected to the lower platform 52, and the other end thereof is connected to the long top mold 31. One end of the second translation cylinder 83 is connected to the lower platform 52, and the other end thereof is connected to the short top mold 32. In this embodiment, the first and second translation cylinders 82 and 83 are disposed horizontally. The template beam 85 is disposed on the upper platform 51, is disposed horizontally, is parallel to the upper platform 51, and has one end connected to the long top mold 31 and the other end connected to the short top mold 32. The third translation cylinder 84 is provided between the upper deck 51 and the platen beam 85. When the first translation cylinder 82, the second translation cylinder 83 and the third translation cylinder 84 work, the third translation cylinder 84 drives the template beam 85 to translate, so as to drive the long top die 31 and the short top die 32 to translate; the first translation oil cylinder 82 and the second translation oil cylinder 83 directly drive the long top die 31 and the short top die 32 to translate.
As shown in fig. 1, in order to achieve lateral extension and contraction of the side mold 33 and the bottom mold 34, screw rods 86 are respectively provided between the side mold 33, the bottom mold 34 and the columns. The lead screw 86 may be provided according to a known technique.
As shown in fig. 1, in order to avoid the interference between the concrete conveying vibrating opening of the formwork assembly 30 and the formwork upright 81, in this embodiment, the length of the long top mold 31 is greater than the length of the short top mold 32, and the hinge position of the long top mold 31 and the short top mold 32 is eccentric, which is slightly eccentric to the center of the first inner upright 13 and the center of the second inner upright 23 to one side of the second inner upright 23. The side mold 33 and the bottom mold 34 are symmetrically distributed.
As shown in fig. 2, in order to drive the first frame body 10 and the second frame body 20 to walk, walking jacking mechanisms 40 are further respectively arranged below the bottom longitudinal beams 14 and 24. The walking jacking mechanism 40 comprises a walking device and a jacking device. The walking device comprises a driving motor 41 and a walking wheel set 42, and the driving motor 41 can drive the walking wheel set 42 to walk. The jacking device comprises an inner telescopic sleeve 43, an outer telescopic sleeve 44 and a jacking oil cylinder 45. One end of the inner telescopic sleeve 43 is fixedly connected with the walking device, the other end of the inner telescopic sleeve is arranged in the outer telescopic sleeve 44, the outer telescopic sleeve 44 is fixedly connected with the bottom longitudinal beams 14 and 24, and the jacking oil cylinder 45 is connected with the top end of the inner telescopic sleeve 43. When the jacking cylinder 45 works, the first frame 10 and the second frame 20 can be jacked up integrally, and then the traveling wheel set 42 can drive the whole trolley to travel under the driving of the driving motor 41.
As shown in fig. 1, the trolley is further provided with a ladder stand 60 and a work frame for the convenience of a constructor. The bottom end of the ladder stand 60 is arranged between the first inner upright post 13 and the second inner upright post 23, so that the travelling crane is not influenced, and the construction personnel can conveniently go up and down. The top end of the ladder 60 is connected to the upper platform 51. The working frame can be used for facilitating the operation of constructors by referring to the known technology.
Therefore, formed the utility model discloses a lining cutting platform truck for big span tunnel construction, its structure that adopts two support bodies not only can guarantee the bulk strength of platform truck, but also make full use of current general support body to but the not unidimensional construction tunnel of adaptation, it has very strong commonality and suitability. Furthermore, the utility model discloses a construction operation space still can be guaranteed to the structure of two support bodies, guarantees staff convenient operation, guarantees the lining cutting quality, and it has very strong practicality.
While the invention has been described with reference to the above embodiments, the scope of the invention is not limited thereto, and the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the concept of the invention.
Claims (9)
1. The lining trolley for large-span tunnel construction is characterized by comprising a first frame body (10), a second frame body (20), a template assembly (30), a walking jacking mechanism (40) and an upper platform (50), wherein the first frame body (10) and the second frame body (20) are arranged in parallel and fixedly connected with each other, the tops of the first frame body (10) and the second frame body (20) are parallel and level and are connected with each other, the upper platform (50) is arranged at the tops of the first frame body (10) and the second frame body (20), the template assembly (30) is arched and is arranged at the peripheries of the first frame body (10) and the second frame body (20), and the template assembly (30) is connected with the first frame body (10), the second frame body (20) and the upper platform (50); the walking jacking mechanism (40) is used for driving the first support body (10) and the second support body (20) to walk synchronously and is connected with the first support body (10) and the second support body (20).
2. The lining trolley for the large-span tunnel construction according to claim 1, wherein the first frame body (10) comprises a first portal frame (11), a first outer upright (12), a first inner upright (13), a first bottom longitudinal beam (14) and a first portal diagonal brace (15), the first outer upright (12) and the first inner upright (13) are arranged on two sides of the first portal frame (11), the first bottom longitudinal beam (14) is respectively connected to the lower ends of the first outer upright (12) and the first inner upright (13), and the first portal diagonal brace (15) is connected between the first portal frame (11) and the first bottom longitudinal beam (14); the second frame body (20) comprises a second portal frame (21), a second outer upright post (22), a second inner upright post (23), a second bottom longitudinal beam (24) and a second portal frame diagonal support (25), the second outer upright post (22) and the second inner upright post (23) are arranged on two sides of the second portal frame (21), the second bottom longitudinal beam (24) is respectively connected to the lower ends of the second outer upright post (22) and the second inner upright post (23), and the second portal frame diagonal support (25) is connected between the second portal frame (21) and the second bottom longitudinal beam (24); the first inner upright post (13) and the second inner upright post (23) are spaced in parallel and connected through an upright post connecting beam (71).
3. The lining trolley for the construction of the large-span tunnel according to claim 2, wherein the top parts of the first portal frame (11) and the second portal frame (21) are flush and are spaced in parallel, and the top parts of the first portal frame (11) and the second portal frame (21) are fixedly connected through a connecting frame body (72).
4. The lining trolley for large-span tunnel construction according to claim 3, wherein the formwork assembly (30) comprises a long top formwork (31), a short top formwork (32), two side formworks (33) and two bottom formworks (34), one end of the long top formwork (31) is hinged with one end of the short top formwork (32), the other ends of the long top formwork (31) and the short top formwork (32) are respectively hinged with one end of a side formwork (33), and the other ends of the side formworks (33) are respectively hinged with the bottom formwork (34); the long top die (31) and the short top die (32) are connected with the upper platform (50) through translation oil cylinders, and the side die (33) and the bottom die (34) are connected with the upright posts through screw rods (86).
5. The lining trolley for large-span tunnel construction according to claim 4, wherein the length of the long top mold (31) is greater than the length of the short top mold (32), and the hinge position of the long top mold (31) and the short top mold (32) is offset to one side of the second inner column (23) from the centers of the first inner column (13) and the second inner column (23).
6. The lining trolley for large-span tunnel construction according to claim 4, wherein the side mold (33) and the bottom mold (34) are symmetrically disposed, respectively.
7. The lining trolley for large-span tunnel construction according to claim 4, wherein the upper platform (50) comprises an upper platform (51) and a lower platform (52), the lower platform (52) is connected to the tops of the first portal frame (11), the second portal frame (21) and the connection frame body (72), a first translation cylinder (82) and a second translation cylinder (83) are respectively provided at both sides of the lower platform (52), the first translation cylinder (82) is connected to the long top mold (31), and the second translation cylinder (83) is connected to the short top mold (32); the upper platform (51) is arranged above the lower platform (52), a template upright post (81), a template cross beam (85) and a third translation oil cylinder (84) are arranged on the upper platform (51), the top end of the template upright post (81) is respectively connected with the long top die (31) and the short top die (32), the template cross beam (85) is parallel to the upper platform (51), the third translation oil cylinder (84) is arranged between the upper platform (51) and the template cross beam (85), one end of the template cross beam (85) is connected with the long top die (31), and the other end of the template cross beam is connected with the short top die (32).
8. The lining trolley for large-span tunnel construction according to claim 7, further comprising a ladder (60), wherein a bottom end of the ladder (60) is provided between the first inner post (13) and the second inner post (23), and a top end of the ladder (60) is connected to the upper platform (51).
9. The lining trolley for the large-span tunnel construction according to claim 2, wherein the traveling jacking mechanism (40) comprises a traveling device and a jacking device, the traveling device comprises a driving electric and traveling wheel set (42), the jacking device comprises an inner telescopic sleeve (43), an outer telescopic sleeve (44) and a jacking cylinder (45), one end of the inner telescopic sleeve (43) is fixedly connected with the traveling device, the other end of the inner telescopic sleeve (43) is arranged in the outer telescopic sleeve (44), the outer telescopic sleeve (44) is fixedly connected with the first bottom longitudinal beam (14) and the second bottom longitudinal beam (24) respectively, and the jacking cylinder (45) is connected with the top end of the inner telescopic sleeve (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250037.8U CN209838432U (en) | 2019-02-27 | 2019-02-27 | Lining trolley for large-span tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250037.8U CN209838432U (en) | 2019-02-27 | 2019-02-27 | Lining trolley for large-span tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838432U true CN209838432U (en) | 2019-12-24 |
Family
ID=68904718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920250037.8U Active CN209838432U (en) | 2019-02-27 | 2019-02-27 | Lining trolley for large-span tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838432U (en) |
-
2019
- 2019-02-27 CN CN201920250037.8U patent/CN209838432U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101408019B (en) | Low altitude prefabricated case beam internal mold construction method | |
| CN107387122A (en) | A kind of formwork jumbo and its construction method for the construction of piping lane tunneling boring | |
| CN107060823B (en) | Non-dismantling trolley for tunnel anchor section secondary lining concrete construction | |
| CN206801592U (en) | Hydraulic lining trolley for cut-and-cover tunnel concreting | |
| CN211397597U (en) | Template trolley and tunnel construction vehicle set | |
| CN110130937B (en) | Tunnel construction trolley | |
| CN214787431U (en) | Two lining platform trucks of variable section | |
| CN215052151U (en) | Temporary supporting device for bridge construction | |
| CN209838432U (en) | Lining trolley for large-span tunnel construction | |
| CN210370687U (en) | Template trolley for construction with adjustable template size | |
| CN210827111U (en) | Environment-friendly down self-propelled steel trestle structure | |
| CN112726442A (en) | Construction method of large-span thin-wall concrete sound barrier pouring trolley | |
| CN217327341U (en) | Self-propelled long-span variable cross-section hydraulic formwork trolley | |
| CN2385085Y (en) | Double adjustable formwork construction lining trolley | |
| CN212671805U (en) | Split type hydraulic trolley | |
| CN107642089B (en) | Narrow space concrete pouring method | |
| CN215104692U (en) | Guardrail trolley template system | |
| CN212335790U (en) | Large cantilever bent cap construction trolley | |
| CN210317334U (en) | A template platform truck for tunnel thin wall mid-board concrete placement | |
| CN212867563U (en) | Tunnel super-large section two-lining trolley capable of being widened for multiple times | |
| CN214887104U (en) | Split type trolley for tunnel widening lining construction | |
| CN210738584U (en) | Space rigid frame trolley suitable for existing line crossing construction | |
| CN112664235A (en) | Walking type pipe gallery formwork supporting device | |
| CN219826854U (en) | Rail-mounted synchronous lining low side wall trolley | |
| CN217813509U (en) | Non-portal trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lining trolley for large span tunnel construction Effective date of registration: 20230515 Granted publication date: 20191224 Pledgee: Huaxia Bank Co.,Ltd. Kunming Daguan Branch Pledgor: YUNNAN CONSTRUCTION INVESTMENT CONSTRUCTION MACHINERY CO.,LTD. Registration number: Y2023530000036 |