CN112727478A - Trestle structure suitable for major diameter shield constructs machine - Google Patents
Trestle structure suitable for major diameter shield constructs machine Download PDFInfo
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- CN112727478A CN112727478A CN202110116601.9A CN202110116601A CN112727478A CN 112727478 A CN112727478 A CN 112727478A CN 202110116601 A CN202110116601 A CN 202110116601A CN 112727478 A CN112727478 A CN 112727478A
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- 230000005641 tunneling Effects 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a trestle structure suitable for a large-diameter shield machine, which comprises a first ramp, a trestle main body, a second ramp and a lifting device, wherein the second end of the first ramp is hinged with the first end of the trestle main body, the second end of the trestle main body is hinged with the first end of the second ramp, the first end of the first ramp and the second end of the second ramp are free ends, at least two groups of self-driving wheel pairs and at least two groups of supporting components are respectively arranged below the first ramp and the trestle main body, the lifting device is arranged below the first ramp, the lifting device can drive the first ramp to lift, and the self-driving wheel pairs and the supporting components can longitudinally stretch out and retract. The invention can realize the passing of a transport vehicle with a larger weight for carrying the duct piece, can realize the independent walking of the transport vehicle, and can avoid the occurrence of the condition that a wheel pair is stressed and damaged when the transport vehicle passes through.
Description
Technical Field
The invention relates to the technical field of underground engineering equipment, in particular to a trestle structure suitable for a large-diameter shield tunneling machine.
Background
The structure under the rail in the large-diameter tunnel can be realized by adopting a cast-in-place inverted arch, a prefabricated assembled box culvert or a mode of combining the cast-in-place inverted arch and the prefabricated assembled box culvert under the condition of considering the economy, the adaptability and the pouring amount. In some major diameter shield tunnels, the width and the height of some inverted arches are large, and under the condition that the shield tunnels are realized by adopting a prefabricated assembling method, the structural strength cannot meet the requirement of traffic in the later period, and the self structural strength can be ensured by adopting a cast-in-place mode. When the cast-in-place inverted arch method is adopted for implementation, a trestle is required to be adopted for cast-in-place of the inverted arch.
For the large-diameter shield tunnel, as the shield machine in front needs to assemble the duct pieces, a transport vehicle bearing the duct pieces needs to pass through the duct pieces, the weight of the transport vehicle carrying the duct pieces is larger, and the larger weight of the transport vehicle has higher stress requirement on a trestle; particularly, because the trestle needs to be designed with a slope section due to the height problem of the cast-in-place inverted arch, how to consider the design of the slope section to bear a large load is also an urgent problem to be solved; in addition, the walking of the trestle is completed by the aid of the wheel set, and the wheel set cannot bear large gravity, so that the problem of how to solve the stress of the wheel set is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a trestle structure suitable for a large-diameter shield tunneling machine, which can realize the passing of a transport vehicle carrying duct pieces and having larger weight, can realize the independent walking of the transport vehicle, and can avoid the condition that a wheel pair is stressed and damaged when the transport vehicle passes through.
In order to achieve the above purpose, the present invention provides a trestle structure suitable for a large-diameter shield machine, wherein the trestle structure suitable for the large-diameter shield machine comprises a first ramp, a trestle main body, a second ramp and a lifting device, a second end of the first ramp is hinged to a first end of the trestle main body, a second end of the trestle main body is hinged to a first end of the second ramp, both the first end of the first ramp and the second end of the second ramp are free ends, at least two sets of self-driving wheel pairs and at least two sets of support assemblies are respectively arranged below the first ramp and the trestle main body, the lifting device is arranged below the first ramp, the lifting device can drive the first ramp to ascend and descend, and the self-driving wheel pairs and the support assemblies can longitudinally extend and retract.
The trestle structure suitable for major diameter shield constructs machine, wherein, every group the self-driving wheel pair all includes two self-driving wheels, the self-driving wheel is followed the width direction interval of trestle main part sets up, the self-driving wheel includes first telescopic cylinder, support sleeve, wheelset and driving motor, the upper end of first telescopic cylinder with first ramp or the trestle main part is connected, the lower extreme of first telescopic cylinder with the support sleeve meets, the wheelset is connected and is located support sleeve's bottom, driving motor with the wheelset electricity is connected.
The trestle structure suitable for major diameter shield constructs machine as above, wherein, the supporting component includes two can be along vertical flexible support columns, two the support column is followed the width direction interval of trestle main part sets up, the support column includes cylinder, the flexible hydro-cylinder of second and support boots, the upper end of the flexible hydro-cylinder of second with first ramp or the trestle main part is connected, the lower extreme of the flexible hydro-cylinder of second with the cylinder meets, support boots locate the bottom of cylinder, support boots are made by anti-skidding wear-resistant material.
The trestle structure suitable for major diameter shield constructs machine as above, wherein, the lifting device is including connecting frame, lifting hydro-cylinder and piston shoes, connecting frame with first ramp is fixed to be met, the both ends of lifting hydro-cylinder respectively with connecting frame's bottom the top of piston shoes is articulated, the piston shoes are made by anti-skidding wear-resistant material, the bottom surface of piston shoes meets with the upper surface friction of the section of jurisdiction of tunnel bottom.
The trestle structure suitable for the large-diameter shield tunneling machine is characterized in that the connecting frame is formed by welding a plurality of transverse section steels and a plurality of longitudinal section steels.
The trestle structure suitable for the large-diameter shield tunneling machine is characterized in that a folding ladder capable of being unfolded downwards is arranged at the bottom of the trestle main body.
The trestle structure suitable for the large-diameter shield tunneling machine is characterized in that the first ramp is a steel structure protection type slope channel formed by tailor welding of section steel.
The trestle structure suitable for the large-diameter shield tunneling machine is characterized in that the trestle main body is a steel structure protective channel formed by tailor welding of section steel.
The trestle structure suitable for large-diameter shield constructs machine as above, wherein, be equipped with connecting cylinder and chain between the second ramp and the trestle main part, the first end of connecting cylinder with the top department of the second end of trestle main part is articulated, the second end of connecting cylinder with the second ramp is articulated, the top department of the second end of trestle main part extends along its length direction and is formed with the extension, the first end of chain with the extension meets, the vertical downwardly extending of chain, just the second end of chain with its intermediate position department of being close to of second ramp articulates.
The trestle structure suitable for the large-diameter shield tunneling machine is characterized in that the second ramp is a steel structure slope channel formed by tailor welding of section steel.
Compared with the prior art, the invention has the following advantages:
the trestle structure suitable for the large-diameter shield machine can control the lifting of the first ramp by arranging the lifting device, and the support component below the trestle main body can control the trestle main body to synchronously lift along with the first ramp, when the walking is needed, the first ramp and the trestle main body are lifted, each supporting component is retracted upwards, and the self-driving wheel pair descends to contact with the tunnel bottom segment to support the self-driving wheel pair to realize the walking of the self-driving wheel pair, when a transport vehicle for carrying duct pieces to be constructed passes, the respective driving wheel sets retract upwards, the first ramp and the trestle main body descend, the support components extend downwards to be in contact with the duct pieces at the bottom of the tunnel to support the invention so as to realize the construction of the invention, so can realize supplying to carry on the haulage vehicle who has great weight of section of jurisdiction current, can realize self independent walking again, can avoid the condition emergence that the wheel pair atress damaged when current haulage vehicle simultaneously.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of a trestle structure suitable for a large-diameter shield tunneling machine provided by the invention;
fig. 2 is a schematic structural diagram of a first ramp and a lifting device of a trestle structure suitable for a large-diameter shield tunneling machine, provided by the invention;
FIG. 3 is a schematic structural diagram of a trestle main body and a second ramp of the trestle structure suitable for a large-diameter shield tunneling machine provided by the invention;
FIG. 4 is a schematic structural diagram of a lifting device suitable for a trestle structure of a large-diameter shield tunneling machine, provided by the invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 6 is an enlarged view of the structure at B in FIG. 1;
FIG. 7 is a schematic structural diagram of a self-driving wheel pair suitable for a trestle structure of a large-diameter shield tunneling machine, provided by the invention;
FIG. 8 is a schematic cross-sectional view taken along line C-C of FIG. 1;
FIG. 9 is a schematic cross-sectional view taken along line D-D of FIG. 1;
FIG. 10 is a schematic cross-sectional view taken along line E-E of FIG. 1;
fig. 11 is a schematic sectional view taken along line F-F in fig. 1.
The reference numbers illustrate:
1. a first ramp;
11. an extension portion;
2. a trestle main body;
3. a second ramp;
4. a lifting device;
41. a connecting frame;
42. lifting the oil cylinder;
43. a slipper;
5. a self-driving wheel;
51. a first telescopic cylinder;
52. a support sleeve;
53. a wheel set;
54. a drive motor;
6. a support pillar;
61. a cylinder;
62. a support boot;
7. a folding ladder;
8. connecting an oil cylinder;
9. and a chain.
Detailed Description
In order to clearly understand the technical solution, the purpose and the effect of the present invention, a detailed description of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention provides a trestle structure suitable for a large-diameter shield machine, wherein the trestle structure suitable for the large-diameter shield machine comprises a first ramp 1, a trestle main body 2, a second ramp 3 and a lifting device 4, a second end of the first ramp 1 is hinged to a first end of the trestle main body 2, a second end of the trestle main body 2 is hinged to a first end of the second ramp 3, both the first end of the first ramp 1 and the second end of the second ramp 3 are free ends, at least two sets of self-driving wheel sets and at least two sets of support assemblies are respectively arranged below the first ramp 1 and below the trestle main body 2, three sets of self-driving wheel sets and two sets of support assemblies are arranged below the first ramp 1, two sets of self-driving wheel sets and two sets of support assemblies are arranged below the trestle main body 2, it should be noted that the number of self-driving wheel sets and support assemblies in the figures is only an example, the invention is not limited by the above, the lifting device 4 is arranged below the first ramp 1, the lifting device 4 can drive the first ramp 1 to lift, and the self-driving wheel pair and the support component can extend and retract along the longitudinal direction.
When the self-propelled travelling device needs to move, the lifting device 4 drives the first ramp 1 to ascend, the supporting component below the trestle main body 2 extends to enable the trestle main body 2 to ascend synchronously along with the first ramp 1, the self-propelled wheel sets below the first ramp 1 and the trestle main body 2 extend out and fall on the upper surface of a tunnel bottom segment, and then the supporting component below the trestle main body 2 contracts upwards; in the construction process of the invention, each group of self-driving wheel pairs is upwards recovered, the first ramp 1 slowly descends under the action of the lifting device 4, the trestle main body 2 synchronously and slowly descends along with the first ramp 1, and each group of support components below the trestle main body 2 and the first ramp 1 downwards extend out, so that each support component below the first ramp 1 and at least one part of support components below the trestle main body 2 are supported on the upper surface of a tunnel bottom segment (as shown in the figure, the support component at the second end of the trestle main body 2 can be supported on a built box culvert).
Further, as shown in fig. 1 to 7, 9 and 11, the trestle structure suitable for a large-diameter shield tunneling machine provided by the present invention includes two self-driving wheels 5, the self-driving wheels 5 are symmetrically disposed along a width direction of the trestle body 2 at intervals, each self-driving wheel 5 includes a first telescopic cylinder 51, a support sleeve 52, a wheel set 53 and a driving motor 54, an upper end of the first telescopic cylinder 51 is connected to the first ramp 1 or the trestle body 2, a lower end of the first telescopic cylinder 51 is connected to the support sleeve 52 (which can be directly connected to the inside of the support sleeve 52), the first telescopic cylinder 51 drives the support sleeve 52 to extend and retract up and down, the wheel set 53 is connected to a bottom of the support sleeve 52, the driving motor 54 is electrically connected to the wheel set 53, the driving motor 54 drives the wheel set 53 to rotate so as to enable the present invention to self-drive, it should be noted that a specific structure and principle of the self-driving wheel 5 are mature technologies, the present invention can flexibly use various existing self-driving wheels, and the detailed structure and principle of the self-driving wheel 5 are not described herein.
Further, as shown in fig. 1 to 6, 8 and 10, the trestle structure suitable for the large-diameter shield tunneling machine provided by the invention includes two support columns 6 capable of extending and retracting along the longitudinal direction, the two support columns 6 are symmetrically arranged along the width direction of the trestle main body 2 at intervals, each support column 6 includes a column 61, a second telescopic cylinder (not shown in the figure) and a support shoe 62, the upper end of the second telescopic cylinder is connected with the first ramp 1 or the trestle main body 2, the column 61 is set as a hollow column 61 like the support sleeve 52, the second telescopic cylinder is connected inside the column 61, the second telescopic cylinder drives the column 61 to extend and retract up and down, the support shoe 62 is arranged at the bottom of the column 61, and the support shoe 62 is made of an anti-skid wear-resistant material, so as to ensure that the invention can stably stop on a pipe sheet at the bottom of a tunnel during the construction process.
Further, as shown in fig. 1, fig. 2 and fig. 4, the landing stage structure suitable for the large-diameter shield tunneling machine provided by the present invention includes a connecting frame 41, a lifting cylinder 42 and a skid shoe 43, the connecting frame 41 is fixedly connected to the first ramp 1, two ends of the lifting cylinder 42 are respectively hinged to the bottom of the connecting frame 41 and the top of the skid shoe 43, the skid shoe 43 is made of an anti-skid wear-resistant material, the bottom surface of the skid shoe 43 is frictionally connected to the upper surface of the segment at the bottom of the tunnel, when the lifting device 4 drives the first ramp 1 to ascend and descend, the skid shoe 43 and the segment at the bottom of the tunnel are kept relatively stationary by friction, the lifting cylinder 42 stretches and retracts, the first ramp 1 is driven to ascend and descend by the connecting frame 41, because the first ramp 1 is hinged to the landing stage main body 2, the connecting frame 41 is fixedly connected to the first ramp 1, the lifting cylinder 42 is hinged to the connecting frame 41 and the lifting cylinder 42 is hinged to the skid, equivalently, a link mechanism is formed, in the process of extending and retracting the lifting oil cylinder 42, the first ramp 1 and the lifting oil cylinder 42 swing, and an included angle between the first ramp 1 and the trestle main body 2, an included angle between the first ramp 1 and the lifting oil cylinder 42 and an included angle between the lifting oil cylinder 42 and the upper surface of the sliding shoe 43 all change; when the tunnel self-driving type lifting device travels, the power of the self-driving type traveling of the tunnel self-driving type lifting device is far larger than the friction force between the skid shoe 43 and a tunnel bottom pipe piece, at the moment, the first slope 1 drags the lifting oil cylinder 42 and the skid shoe 43 to travel, and the skid shoe 43 slides on the tunnel bottom pipe piece.
Preferably, as shown in fig. 1, 2 and 4, the landing stage structure for a large-diameter shield tunneling machine according to the present invention includes a connecting frame 41 formed by welding a plurality of transverse steel sections and a plurality of longitudinal steel sections, and the specific structure of the connecting frame 41 is not limited as long as the force of the lift cylinder 42 can be uniformly applied to the first ramp 1.
Preferably, as shown in fig. 1, 3 and 5, the trestle structure suitable for the large-diameter shield tunneling machine provided by the invention is characterized in that a folding ladder 7 capable of being unfolded downwards is arranged at the bottom of the trestle body 2, so that workers can move between the trestle body 2 and the bottom of the tunnel.
Preferably, as shown in fig. 1 to 3, the trestle structure suitable for the large-diameter shield tunneling machine provided by the invention, wherein the first ramp 1 and the trestle main body 2 are both longer, so that a transportation path is longer when a transportation vehicle travels, and the height from the bottom of a tunnel is higher, and in order to ensure the transportation safety, the first ramp 1 is a steel structure protection type slope channel formed by tailor welding of section steel; the trestle main body 2 is a steel structure protective channel formed by welding profile steels; the second ramp 3 is short and is built on the built box culvert, and the height from the top of the box culvert is low, so that the second ramp 3 is a steel structure slope channel formed by splicing and welding profile steel.
Preferably, as shown in fig. 1, 3 and 6, the landing stage structure for a large diameter shield machine according to the present invention includes a second ramp 3 connected to a landing stage body 2 via a connecting cylinder 8 and a chain 9, a first end of the connecting cylinder 8 is hinged to a top of a second end of the landing stage body 2, a second end of the connecting cylinder 8 is hinged to the second ramp 3, an extending portion 11 is formed at a top of the second end of the landing stage body 2 along a longitudinal direction thereof, a first end of the chain 9 is connected to the extending portion 11, the chain 9 naturally droops, and a second end of the chain 9 is detachably connected to a middle position of the second ramp 3, the second ramp 3 is pulled to swing and rise by the connecting cylinder 8, the second ramp 3 is raised and suspended when the present invention is moved, and the second ramp 3 is lowered and laid on a built box when the present invention is stopped and constructed, the chain 9 can connect the second ramp 3 and the trestle body 2 after the connecting cylinder 8 adjusts the angle between the two so as to keep the angle between the two not to be enlarged.
Compared with the prior art, the invention has the following advantages:
the trestle structure suitable for the large-diameter shield machine can control the lifting of the first ramp by arranging the lifting device, and the support component below the trestle main body can control the trestle main body to synchronously lift along with the first ramp, when the walking is needed, the first ramp and the trestle main body are lifted, each supporting component is retracted upwards, and the self-driving wheel pair descends to contact with the tunnel bottom segment to support the self-driving wheel pair to realize the walking of the self-driving wheel pair, when a transport vehicle for carrying duct pieces to be constructed passes, the respective driving wheel sets retract upwards, the first ramp and the trestle main body descend, the support components extend downwards to be in contact with the duct pieces at the bottom of the tunnel to support the invention so as to realize the construction of the invention, so can realize supplying to carry on the haulage vehicle who has great weight of section of jurisdiction current, can realize self independent walking again, can avoid the condition emergence that the wheel pair atress damaged when current haulage vehicle simultaneously.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (10)
1. The utility model provides a landing stage structure suitable for major diameter shield constructs machine, a serial communication port, landing stage structure suitable for major diameter shield constructs machine includes first ramp, landing stage main part, second ramp and lifting device, the second end of first ramp with the first end of landing stage main part is articulated, the second end of landing stage main part with the first end of second ramp is articulated, the first end of first ramp with the second end of second ramp is the free end, the below of first ramp and the below of landing stage main part is equipped with at least two sets of self-driving wheel pair and at least two sets of supporting component respectively, the lifting device is located the below of first ramp, the lifting device can drive first ramp goes up and down, self-driving wheel pair reaches supporting component homoenergetic is along vertical flexible.
2. The trestle structure suitable for large-diameter shield constructs machine of claim 1, characterized in that, every group the self-driving wheel pair all includes two self-driving wheels, the self-driving wheel sets up along the width direction interval of trestle main part, the self-driving wheel includes first telescopic cylinder, support sleeve, wheelset and driving motor, the upper end of first telescopic cylinder with first ramp or the trestle main part is connected, the lower extreme of first telescopic cylinder with the support sleeve meets, the wheelset is connected and is located support sleeve's bottom, driving motor with the wheelset electricity is connected.
3. The trestle structure suitable for large-diameter shield constructs machine of claim 1, characterized in that, the supporting component includes two support columns that can be followed vertical flexible, two the support column is followed the width direction interval of trestle main part sets up, the support column includes cylinder, second telescopic cylinder and support boots, the upper end of second telescopic cylinder with first ramp or trestle main part is connected, the lower extreme of second telescopic cylinder with the cylinder meets, the support boots are located the bottom of cylinder, the support boots are made by anti-skidding wear-resistant material.
4. The trestle structure suitable for large-diameter shield tunneling machine according to claim 1, wherein the lifting device comprises a connecting frame, a lifting cylinder and a slipper, the connecting frame is fixedly connected with the first ramp, two ends of the lifting cylinder are respectively hinged to the bottom of the connecting frame and the top of the slipper, the slipper is made of an anti-skid wear-resistant material, and the bottom surface of the slipper is in friction connection with the upper surface of a segment at the bottom of the tunnel.
5. The trestle structure suitable for large-diameter shield tunneling machine according to claim 4, wherein the connecting frame is formed by welding a plurality of transverse steel sections and a plurality of longitudinal steel sections.
6. The trestle structure suitable for large-diameter shield tunneling machines according to claim 1, wherein a folding ladder capable of being unfolded downwards is arranged at the bottom of the trestle body.
7. The trestle structure suitable for large-diameter shield tunneling machines according to claim 1, wherein the first ramp is a steel-structure protected slope channel formed by tailor welding of section steel.
8. The trestle structure suitable for large-diameter shield tunneling machine according to claim 1, wherein the trestle body is a steel structure protective channel formed by tailor welding of section steel.
9. The trestle structure suitable for large-diameter shield tunneling machine according to claim 8, wherein a connecting cylinder and a chain are arranged between the second ramp and the trestle body, a first end of the connecting cylinder is hinged to the top of the second end of the trestle body, a second end of the connecting cylinder is hinged to the second ramp, an extending portion is formed at the top of the second end of the trestle body in an extending manner along the length direction of the second end of the trestle body, a first end of the chain is connected to the extending portion, the chain extends vertically and downwardly, and the second end of the chain is hooked to the second ramp near the middle position of the second ramp.
10. The trestle structure suitable for a large-diameter shield tunneling machine according to claim 1 or 9, wherein the second ramp is a steel-structure ramp channel formed by tailor welding of section steel.
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|---|---|---|---|
| CN202110116601.9A CN112727478B (en) | 2021-01-28 | 2021-01-28 | Trestle structure suitable for major diameter shield constructs machine |
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| CN202110116601.9A CN112727478B (en) | 2021-01-28 | 2021-01-28 | Trestle structure suitable for major diameter shield constructs machine |
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| CN112727478B CN112727478B (en) | 2022-03-29 |
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| CN204982633U (en) * | 2015-08-27 | 2016-01-20 | 中铁隧道集团隧道设备制造有限公司 | Can cooperate tunnel invert face to go out single track railway crawler -type landing stage of cause of a quarrel |
| CN107448211A (en) * | 2016-06-01 | 2017-12-08 | 湖南五新机械有限公司 | Tunnel efficient construction method and its automatically walk shifting formwork transposition framework trestle used |
| CN206625845U (en) * | 2017-02-14 | 2017-11-10 | 成都中铁二局鑫诚钢结构工程有限公司 | A kind of inverted arch trestle |
| CN108442948A (en) * | 2018-05-17 | 2018-08-24 | 湖南五新模板有限公司 | A kind of two-way traffic inverted arch trestle and construction method |
| CN208778003U (en) * | 2018-05-17 | 2019-04-23 | 湖南五新模板有限公司 | A kind of two-way traffic inverted arch trestle |
| CN208416559U (en) * | 2018-05-25 | 2019-01-22 | 中铁隧道集团二处有限公司 | A kind of self-propelled inverted arch trestle for single-track tunnel |
| CN208416560U (en) * | 2018-05-25 | 2019-01-22 | 中铁隧道集团二处有限公司 | A kind of equipment for the construction of single-track tunnel inverted arch |
| CN210395075U (en) * | 2019-05-24 | 2020-04-24 | 郑州新大方重工科技有限公司 | Straddle-variable mobile trestle |
| CN110541347A (en) * | 2019-09-17 | 2019-12-06 | 中铁工程装备集团隧道设备制造有限公司 | large-span full-hydraulic tire walking type tunnel inverted arch trestle and construction method |
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