CN110513126A - A kind of tunnel double-lining trolley that section-variable can be recycled - Google Patents
A kind of tunnel double-lining trolley that section-variable can be recycled Download PDFInfo
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- CN110513126A CN110513126A CN201910926916.2A CN201910926916A CN110513126A CN 110513126 A CN110513126 A CN 110513126A CN 201910926916 A CN201910926916 A CN 201910926916A CN 110513126 A CN110513126 A CN 110513126A
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 25
- 238000012806 monitoring device Methods 0.000 claims abstract description 15
- 238000009826 distribution Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel double-lining trolley that section-variable can be recycled, the present invention is provided with the running gear for capableing of 90 degree of horizontal rotations, the present apparatus can be enable flexibly to move, enable the invention to conveniently position；By the setting of telescoping crossbeam device and hydraulic push rod, the position of top template and side template can be adjusted at any time, and the present apparatus is made to be suitable for a variety of different section Tunnel Second Lining Constructions.Door frame crossing system of the invention can adjust, and in different section Tunnel Second Lining Construction, no replacement is required for trolley main body, only need to change the template different from section, and trolley main structure is reusable, have the feature of environmental protection, economy；The present invention is provided with vertical displacement monitoring device, can the vertical displacement in real time to trolley in concreting process be monitored, and then carry out the adjustment of trolley position at any time.
Description
Technical field
The invention belongs to constructing tunnel apparatus fields, and in particular to a kind of tunnel double-lining platform that section-variable can be recycled
Vehicle.
Background technique
Currently, each metropolitan Metro Tunnel in China is fast-developing, tunnel construction is more and more extensive, tunnel two
Serving as a contrast trolley is indispensable special equipment in constructing tunnel process secondary lining, for lining construction.And due to every
A tunnel excavation cross dimensions is different, causes two lining trolleys that cannot reuse.It generally requires and customizes two lining trolleys again, and two
The cost for serving as a contrast trolley is higher, and manufacturing procedure is more complex, brings the increase of construction cost.In casting process, trolley may be due to
Settling of supports or natural resiliency deform and deviation phenomenon occur, and then lead to two lining deviations, faulting of slab ends.Existing tunnel double-lining platform
Vehicle mostly uses articulated manner to connect between top template and side template, and formwork seal performance is bad when pouring, during demoulding
Also it is easy to appear the larger problem of template deformation.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide positioning when a kind of template pours conveniently, it is small to deform, and is suitable for
Different tunnel cross-section Second Lining Constructions, the tunnel double-lining trolley that section-variable can be recycled for realizing vertical displacement monitoring.
In order to achieve the above object, the present invention includes door frame crossing system, and door frame crossing system includes bottom girder, bottom girder
On be provided with door frame, the bottom of bottom girder is provided with running gear and several lifting supports, and running gear being capable of 90 degree of horizontal rotations
Turn, left column and right column are provided on bottom girder, upper beam is provided on left column and right column, branch is provided on upper beam
Platform is supportted, vertical displacement monitoring device is provided between support platform and upper beam, support platform is common by several hydraulic push rods
Support top template, left column and right column are respectively by the common support distribution of several hydraulic push rods in door frame crossing system or so
The side module of two sides；
Upper beam bottom offers sliding slot, is placed in sliding slot at the top of left column and right column, left column and right column
Between be provided with telescoping crossbeam device for adjusting left column and right column spacing.
Running gear includes traveling wheel, and traveling wheel is fixed on bottom girder, and traveling wheel can be dismantled.
Telescoping crossbeam device includes fixed beam and extensible canopy, and one end and the left column or right column of extensible canopy are fixed, another
End several pin holes are provided on fixed beam internal slide, extensible canopy, be provided in fixed beam matched with pin hole insert
Pin.
The bottom of upper beam is provided with several fixed brackets, and the two sides of left column and right column are hinged with fixed screw rod,
The other end of fixed screw rod is hinged on corresponding fixed bracket.
The both ends of upper beam are capable of fixing dismountable block plate, and dismountable block plate is connect by flange plate with upper beam, can
The bottom of disassembly baffle is provided with sliding slot identical with upper beam bottom.
Left diagonal brace and right diagonal brace, left diagonal brace, right diagonal brace, left column and right column are respectively arranged on left column and right column
Top be provided with the pulley matched with sliding slot.
It is provided with several upper longitudinal beams between the top and bottom girder of door frame, longitudinal diagonal brace is provided between adjacent upper longitudinal beam.
Vertical displacement monitoring device includes test bodies, and test bodies connect measuring staff, and test bodies side is provided with level
Bubble.
By the fixed limit of fixed screw rod between bottom girder and ground, several vertical displacement prisons are provided between bottom girder and ground
Survey device.
Top template is made up of several top templates, and side template is made up of several side templates, all top templates and side
Template stepped setting from high to low.
Compared with prior art, the present invention is provided with the running gear for capableing of 90 degree of horizontal rotations, can enable the present apparatus
It is enough flexibly mobile, it enables the invention to conveniently position；Pass through the setting of telescoping crossbeam device and hydraulic push rod, Neng Gousui
When adjust top template and side template position, make the present apparatus be suitable for a variety of different section Tunnel Second Lining Constructions.This
The door frame crossing system of invention can adjust, and in different section Tunnel Second Lining Construction, no replacement is required for trolley main body, only need
Replacement is different from the template of section, and trolley main structure is reusable, has the feature of environmental protection, economy；Present invention setting
Have vertical displacement monitoring device, can the vertical displacement in real time to trolley in concreting process be monitored, and then at any time
Carry out the adjustment of trolley position.
Further, top template of the invention and side template are stepped, realize that positioning and demoulding are convenient, sealing when pouring
Performance is good, while can carry out symmetric cross-section according to template difference erection method and pour the conversion poured with asymmetric section.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is side view of the invention；
Fig. 3 is that the upper beam in the present invention lengthens schematic diagram；
Fig. 4 is the telescoping crossbeam structural schematic diagram in the present invention；
Fig. 5 is that the trolley formwork in the present invention positions schematic diagram；
Fig. 6 is the running gear schematic diagram in the present invention；Front view when wherein (a) is longitudinal walking；It (b) is lengthwise rows
Side view when walking；(c) laterally to walk front view when；(d) laterally to walk side view when；
Fig. 7 is the vertical displacement monitoring device schematic diagram in the present invention；
Fig. 8 is I front view of partial enlargement diagram in Fig. 1；
Fig. 9 is I side view of partial enlargement diagram in Fig. 1；
Figure 10 is the partial enlargement diagram II in Fig. 1；
Wherein, 1. top template, 2. hydraulic push rods, 3. side templates, 4. bolts, 5. connection sleeves, 6. hold-down supports, 7.
Support platform, 8. lifting supports, 9. upper beams, 10. sliding slots, 11. flange plates, 12. dismountable block plates, 13. vertical displacements monitoring
Device, 131. test bodies, 132. leveling spiral shell buttons, 133. display screens, 134. keys, 135. level(l)ing bubbles, 136. connection sleeves,
137. measuring staff, 138. indicator lights.14. left diagonal brace, 15. right diagonal braces, 16. left columns, 17. right columns, 18. telescoping crossbeam devices,
181. pin holes, 182. bolts, 183. extensible canopies, 184. fixed beams.19. running gear, 191. traveling wheels.20. bottom girder,
21. job platform, 22. upper longitudinal beams, 23. ladders, 25. temporary supports, 26. door frames, 27. backing plates, 28. pulleys, 29. fixed wires
Bar, 30. first top templates, 31. second top templates, 32. third top templates, 33. the 4th top templates, 34. first left side templates,
35. the first right side template, 36. second left side templates, 37. second right side templates, 38. thirds left side template, 39. thirds right side mould
Plate, 40. longitudinal diagonal braces, 41. gaskets, 42. bearings, 43. hooks, 44. hook grooves.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As depicted in figs. 1 and 2, the present invention includes door frame crossing system, template system, telescoping crossbeam device 18, hydraulic thrust
Bar 2, door frame 26, vertical displacement monitoring device 13, running gear 19, lifting support 8.
Template system includes top template 1 and side template 3.Top template 1 is supported by hydraulic push rod 2, in top template 1
Side is provided with connection sleeve 5, and connection sleeve 5 and top template 1 are welded to connect.Top template 1 is connected hydraulic by connection sleeve 5
2 one end of push rod.The other end of hydraulic push rod 2 is connect by hold-down support 6 with support platform 7.Hold-down support 6 and support platform 7
Mutually weld.Support platform 7 is supported by hydraulic push rod 2, and hydraulic push rod 2 is arranged on upper beam 9, and upper beam 9 is longitudinally connected vertical
Beam 22.Upper beam 9 can realize lateral lengthening function according to different lining sections.
As shown in Fig. 1, Fig. 3, Fig. 8 and Fig. 9,9 both ends side of upper beam is provided with flange plate 11, is arranged on flange plate 11
There is bolt 4, identical crossbeam is connected by the bolt 4 on both ends flange plate 11 and realizes upper beam 9 and the lateral lengthening function of sliding slot 10.
Upper beam 9 is arranged with sliding slot 10, and multiple pulleys 28 are provided in sliding slot 10, gasket 41 is provided between sliding slot 10 and pulley 28
With bearing 42, pass through the movement of gasket 41 and the fixed pulley 28 of bearing 42 in sliding slot 10.Pulley 28 passes through bolt 4 and backing plate 27
It is separately connected left column 16,15 one end of right column 17, left diagonal brace 14 and right diagonal brace.Left 14 other end of diagonal brace is connected by bolt 4
In 16 inside of left column, right 15 other end of diagonal brace is connected to 17 inside of right column by bolt 4.Left diagonal brace 14, right diagonal brace 15, a left side
Column 16, right column 17 follow the running gear 19 of 20 bottom of bottom girder transverse shifting on sliding slot 10.The setting of 10 two sides of sliding slot
There is dismountable block plate 12, prevents left column 16, right column 17 from skidding off sliding slot.10 two sides spaced set of sliding slot has the fixed branch of a column
Seat 6, when trolley door frame 26 is adjusted to required trolley section size, sliding slot side hold-down support 6 pass through fixed screw rod 29 respectively with
The connection of hold-down support 6 of left column 16,15 two sides of right column 17, left diagonal brace 14 and right diagonal brace.Fixed screw rod 29 limits upper beam 9
With the relative motion of left column 16, right column 17.16 middle inside of left column connects the one of telescoping crossbeam device 18 by bolt 4
End, 17 middle inside of right column connect the other end of telescoping crossbeam device 18 by bolt 4.Telescoping crossbeam device 18 can follow
Left column 16,17 transversal stretching of right column.
As shown in Fig. 1, Fig. 4 and Fig. 6, telescoping crossbeam device 18 includes extensible canopy 183 and fixed beam 184, on extensible canopy 183
Multiple equidistant pin holes 181 are provided with, a pin hole 181 is each provided at 184 two edges of fixed beam, bolt 182 passes through
The fixed telescoping crossbeam device 18 of the pin hole 181 being overlapped on extensible canopy 183 and fixed beam 184, fixed extensible canopy 183.Left column
16,17 bottom of right column is separately connected bottom girder 20, and running gear 19 is connected by bolt 4 and backing plate 27 and 20 bottom of bottom girder
It connects.When tunnel-liner section changes, transverse direction is become from tunnel longitudinal direction by adjusting 191 direction of traveling wheel, is driven
Door frame left column 16, right column 17 extend to the outside on sliding slot 10 or to contracts, to meet tunnel-liner section requirement.
As shown in Fig. 2, 26 front and rear sides of door frame are provided with ladder 23, door frame 26 is connect with 23 phase of ladder with coupling type, side
Just it dismantles.The door frame bottom girder 20 is arranged with multiple equidistant lifting supports 8, and it is whole high to adjust trolley by lifting support
Degree.20 both ends of door frame bottom girder are provided with hold-down support 6, and hold-down support 6 and bottom girder 20 weld, fixed 29 one end of screw rod
It is connect by hold-down support 6 with door frame 26, the other end connects the temporary support 25 that tunnel bottom surface is arranged in, 25 side of temporary support
It is provided with dismountable block plate 12, to realize the effect of longitudinally fixed trolley in casting process.
As shown in fig. 7, the door frame 26 is provided with vertically under the support platform 7 of multiple lining sections and bottom girder 20
Displacement monitor 13, vertical displacement monitoring device 13 can monitor in casting process the perpendicular of top template 1 and door frame 26 respectively
To displacement.Vertical displacement monitoring device 13 includes test bodies 131, connects sleeve 136, measuring staff 137.131 side of test bodies
It is provided with level(l)ing bubble 135, whether observe vertical displacement monitoring device 13 by level(l)ing bubble 135 horizontal.If unhorizontal, pass through
Leveling spiral shell button 132 in test bodies 131 is adjusted to level.It is provided with display screen 133 and key 134 in test bodies 131, leads to
It crosses key 134 and pre-enters restriction differential settlement numerical value.When Vertical Settlement is more than preparatory limit value, display in concreting process
Indicator light 138 on screen 134 can send out a warning.
As shown in figure 5, top template 1 and side template 3 include muti-piece template, supported respectively by more hydraulic push rods 2,
The template end shape is stepped and is equipped with bolt 4.Such template state good seal performance does not allow leakiness in casting process
Slurry.When Template Location, each piece of stepped splicing of template template adjacent thereto need to be made.Template Location is first from the of top template
One top template 30 starts, and successively positions coupled template.After the completion of top template 1 positions, position and top template 1 respectively
Connected the first left side template 34, the first right side template 35.Coupled template is successively positioned again.Template all complete by positioning
Afterwards, two adjacent templates are fixed by bolt 4, the connection between reinforcing template.When form removable, demoulding sequence and Template Location
The opposite demoulding from top to bottom of sequence, the method can realize " first pouring first demoulding ", to meet concrete strength requirement, and this TV station
Vehicle template system uses muti-piece template, and demoulding is convenient to be easy.
Specific operation process according to the present invention introduced below.
As shown in figs. 1,2 and 6, for different tunnel-liner sections, firstly, reaching trolley by track of walking
The bolt 4 that running gear 19 is connect with bottom girder 20 is loosened in wanted lining section position, controls the traveling wheel of running gear 19
After 191 are longitudinally rotated by 90 ° relative to tunnel, then tighten bolt 4.Meanwhile adjusting the fixation of connection right column 17 and right diagonal brace 15
Screw rod 29 connect it with the hold-down support 6 on two edge of a wing of sliding slot, so that upper beam 9 keeps relative stability with right column 17, it is complete
At the fixation of right column 17, left column 16 is pulled to move on upper beam 9 later, according to the big ditty of the tunnel cross-section of wanted lining cutting
The distance between left column 16, right column 17 are saved, after reaching designated position, using the fixed left column 16 of same procedure, is pulled right
Column 17, until section width is met the requirements.When trimmed tunnel section is excessive, identical upper beam can be connected by bolt 4
9, lengthen upper beam 9 and 10 lateral length of sliding slot.Meanwhile 7 height of support platform is adjusted using the hydraulic push rod 2 on upper beam 9.
Then the traveling wheel 191 for controlling running gear 19 goes back to tunnel longitudinal direction, tightens bolt 4.
As shown in figure 5, promoting the first top template 30 of top template 1 to be moved out by hydraulic push rod 2 after trolley is fixed
It is dynamic, so that the outer surface of the first top template 30 is in contact with the lining cutting inner surface in tunnel.Then, promote by hydraulic push rod 2
Two top templates 31 are mobile, and because each template end has ladder-like, the second top template 31 need to be in the first top template 30 in positioning
Ladder-like splicing, remaining top template also need the stepped splicing of template adjacent thereto, while making the appearance of each top template 1
Face is in contact with lining cutting inner surface.After the completion of top template 1 all positioning, side template 3 is positioned.Both sides template 3 can be same
Shi Jinhang positioning, first positions the first left side template 34, the first right side template 35 being connected with top template 1 respectively.By hydraulic
Push rod 2 moves the first left side template 34, the first right side template 35, so that its outer surface is in contact with the lining section in tunnel, together
When with top third top template 32, the stepped splicing of the 4th top template 33.Secondly, the second left side template of positioning 36, second is right
Side template 37.Finally, template 38, third right side 39 lowest part template of template on the left of positioning third, so that each side template 3 and phase
The adjacent stepped splicing of template, while each 3 outer surface of side template is in contact with lining cutting inner surface.
As shown in Fig. 2, Fig. 7 and Figure 10, template all after the completion of positioning, is fixed two adjacent templates by bolt 4, is passed through
The fixation screw rod 29 being connected with trolley bottom girder 20 and tunnel bottom surface fixes trolley position.Before concreting, pacify respectively
Dress be located at trolley before in after three lining sections A-A, B-B, C-C, multiple vertical displacement monitoring devices 13 so that support platform
The test bodies 131 of vertical displacement monitoring device 13 under 7 are fixedly connected with support platform 7,137 tip of measuring staff and upper beam 9
Just contact.So that the test bodies 131 of the vertical displacement monitoring device 13 under bottom girder 20 are fixedly connected with bottom girder 20, survey
136 tip of bar is just contacted with tunnel bottom surface.Vertical displacement monitoring is observed by the level(l)ing bubble 135 of 131 side of test bodies
Whether device 13 is horizontal.If unhorizontal, level is adjusted to by the leveling spiral shell button 132 in test bodies 131.Test bodies 131
On be provided with display screen 133 and key 134, by key 134 pre-enter limit differential settlement numerical value.Install each vertical displacement
After monitoring device 13, concreting is carried out.When the Vertical Settlement value on display screen 133 is more than preparatory limit value, display screen 134
On indicator light 138 can send out a warning.
After the completion of concreting, the demoulding from top to bottom opposite with Template Location sequence of demoulding sequence.Firstly, unloading each perpendicular
To displacement monitor 13, the bolt 4 between each template is loosened, loosens hydraulic push rod 2 and shrinks side template 3, to side mould
After plate 3 is by sequence from the bottom up successively demoulding, top template 1 is successively shunk by loosening hydraulic push rod 2, carries out demoulding.Demoulding
After the completion, adjusting the lower lifting support 8 of bottom girder 20 reduces trolley height so that the traveling wheel 191 of trolley running device 19 and
Tunnel bottom surface rail contact, control trolley are moved at next section of lining construction, are repeated above-mentioned steps, are carried out next section of tunnel
Lining cutting.
Claims (10)
1. a kind of tunnel double-lining trolley that section-variable can be recycled, which is characterized in that including door frame crossing system, door frame is horizontal
Shifting system includes bottom girder (20), is provided on bottom girder (20) door frame (26), and the bottom of bottom girder (20) is provided with walking dress
Set (19) and several lifting supports (8), running gear (19) can 90 degree of horizontal rotations, bottom girder is provided with left column on (20)
(16) and right column (17) it, is provided with upper beam (9) on left column (16) and right column (17), upper beam is provided with branch on (9)
It supports platform (7), is provided between support platform (7) and upper beam (9) vertical displacement monitoring device (13), support platform (7) passes through
Support top template (1), left column (16) and right column (17) pass through several hydraulic push rods to several hydraulic push rods (2) respectively jointly
(2) common side module (3) of the support distribution at left and right sides of door frame crossing system；
Upper beam (9) bottom offers sliding slot (10), is placed in sliding slot at the top of left column (16) and right column (17), Zuo Li
The telescoping crossbeam device for adjusting left column (16) and right column (17) spacing is provided between column (16) and right column (17)
(18)。
2. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that walking
Device (19) includes traveling wheel (191), and traveling wheel (191) is fixed on bottom girder (20), and traveling wheel (191) can be dismantled.
3. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that flexible
Beam device (18) includes fixed beam (184) and extensible canopy (183), one end and left column (16) of extensible canopy (183) or right vertical
Column (17) is fixed, and the other end is provided with several pin holes (181) on fixed beam (184) internal slide, extensible canopy (183), Gu
Determine to be provided with the bolt (182) matched with pin hole (181) on beam (184).
4. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that upper cross
The bottom of beam (9) is provided with several fixed brackets (6), and the two sides of left column (16) and right column (17) are hinged with fixed screw rod
(29), the other end of fixed screw rod is hinged on corresponding fixed bracket (6).
5. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that upper cross
The both ends of beam (9) are capable of fixing dismountable block plate (12), and dismountable block plate (12) is connected by flange plate (11) and upper beam (9)
It connects, the bottom of dismountable block plate (12) is provided with sliding slot (10) identical with upper beam (9) bottom.
6. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that Zuo Li
Left diagonal brace (14) and right diagonal brace (15), left diagonal brace (14), right diagonal brace (15), a left side are respectively arranged on column (16) and right column (17)
The pulley (28) matched with sliding slot (10) is provided at the top of column (16) and right column (17).
7. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that door frame
(26) it is provided with several upper longitudinal beams (22) between top and bottom girder (20), adjacent upper longitudinal beam is provided with longitudinal diagonal brace between (22)
(40)。
8. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that vertical
Displacement monitor (13) includes test bodies (131), and test bodies (131) connect measuring staff (137), test bodies (131) side
Face is provided with level(l)ing bubble (135).
9. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that bottom is vertical
By fixed screw rod (29) fixed limit between beam (20) and ground, several vertical displacement prisons are provided between bottom girder (20) and ground
It surveys device (13).
10. a kind of tunnel double-lining trolley that section-variable can be recycled according to claim 1, which is characterized in that top
Portion's template (1) is made up of several top templates, and side template is made up of several side templates, and all top templates and side template are from height
To low stepped setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926916.2A CN110513126B (en) | 2019-09-27 | 2019-09-27 | Recyclable tunnel secondary lining trolley with variable cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926916.2A CN110513126B (en) | 2019-09-27 | 2019-09-27 | Recyclable tunnel secondary lining trolley with variable cross section |
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| Publication Number | Publication Date |
|---|---|
| CN110513126A true CN110513126A (en) | 2019-11-29 |
| CN110513126B CN110513126B (en) | 2020-11-13 |
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| CN111561328A (en) * | 2020-05-25 | 2020-08-21 | 保利长大海外工程有限公司 | Can realize assembled lining cutting platform truck of quick turnover |
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| CN112282805A (en) * | 2020-10-29 | 2021-01-29 | 中铁隧道局集团有限公司 | Intelligent reinforcing trolley for mine method tunnel |
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Inventor after: Acting for Jiabao Inventor after: Pan Jian Inventor after: Zhao Bifeng Inventor after: Ma Jiakuan Inventor after: Zhang Yonghui Inventor after: Liu Jiaqi Inventor before: Acting for Jiabao Inventor before: Pan Jian Inventor before: Zhao Bifeng Inventor before: Ma Jiakuan Inventor before: Zhang Yonghui Inventor before: Liu Jiaqi |