CN105673050A - Tunnel hinged type lining trolley - Google Patents
Tunnel hinged type lining trolley Download PDFInfo
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- CN105673050A CN105673050A CN201610187029.4A CN201610187029A CN105673050A CN 105673050 A CN105673050 A CN 105673050A CN 201610187029 A CN201610187029 A CN 201610187029A CN 105673050 A CN105673050 A CN 105673050A
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- template
- tunnel
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- support frame
- triangle support
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a tunnel hinged type lining trolley, which belongs to the field of tunnel construction equipment. The tunnel hinged type lining trolley comprises a plurality of triangular support frames, walking devices, template systems and translation devices, wherein the walking devices are arranged at the bottoms of the triangular support frames, the template systems correspond to a tunnel, the template systems are supported on the triangular support frames, the translation devices are arranged on the upper parts of the triangular support frames and are used for connecting and supporting the template systems, and platforms which are used for the translation devices to slide from left to right are further arranged on the upper parts of the triangular support frames. According to the tunnel hinged type lining trolley, the structure of the trolley is optimized, so that the problems that the trolley cannot be stably supported by a base jack and potential safety hazards exist because the base jack cannot fall on a track due to the deflection of the relative position of the base jack and the track when an existing lining trolley needs to move horizontally are solved, and the structure of the trolley is stable and firm during construction.
Description
Technical field
The present invention relates to constructing tunnel apparatus field, particularly to a kind of tunnel articulated lining bogie.
Background technology
At present, in constructing tunnel, lining trolley is widely used. Lining trolley, for the concrete-liner of tunnel inner wall is constructed, mainly has simple and easy lining trolley, all-hydraulic automatic walking lining trolley and netted lining trolley.
All-hydraulic automatic walking lining trolley includes a support system, template system, hydraulic system and running gear etc., the bottom propping up support system is provided with running gear, for the driving of lining trolley and traversing, propping up support system and support template system by hydraulic connecting devices such as hydraulic jacks, the template system arranged along tunnel inner wall one circle is used for casting concrete. the adjustment in place of the running gear of chassis, hydraulic means and template system realizes each through hydraulic system. in order to increase end face surplus capacity, it is easy to lower section be open to traffic, automatically walk the support system of lining trolley of existing hydraulic pressure adopts triangle support frame, as shown in Figure 1, triangle support frame 1 supports template by hydraulic telescopic device, template is flexibly connected by side template 7 and top template 8 and forms, top template 8 can be replaced for different tunnel cross-sectional sizes, regulated by the HYDRAULIC CONTROL SYSTEM being arranged on a support system, whole lining trolley is made to be applicable to the constructing tunnel of different cross section size, there is the stronger suitability, the support system bottom of chassis is provided with running gear 2 and Traverse Displacement Unit, running gear and Traverse Displacement Unit adopt the mode that electric reducer is walked automatically or oil cylinder step-by-step movement is walked automatically, chassis moves to the position needing to carry out constructing by running gear and Traverse Displacement Unit, then rely on and be arranged on that the basis of pallet bottom is very heavy supports chassis, chassis fixation is made to be easy to construction, basis is very heavy to be arranged between the running gear slid along the track.
All-hydraulic automatic walking lining trolley, owing to adopting hydraulic drive, makes bogie frame structure simplify, and weight saving also improves motility and the multiformity of structure, thus range of application is wider in construction simultaneously.Although this kind of chassis achieves standardization, alleviate complete vehicle weight generally, and improve efficiency to a certain extent, but owing to its structural design is unreasonable so that it is firm not in construction application process again, there is certain potential safety hazard. When actually used, in order to make chassis better adapt to the sectional position in tunnel, require over Traverse Displacement Unit and chassis is carried out traversing, so can cause that basic very heavy position occurs traversing, make basis very heavy when chassis is supported, be no longer supported on more solid track, so influence whether the stability of chassis, make chassis fix insecure, there is potential safety hazard.
Summary of the invention
It is an object of the invention to: for the existing lining trolley existed in prior art when needs are traversing, can only move integrally, the very heavy relative position with track in basis is offset, make basis very heavy can not fall in orbit, can not gentle support chassis thus causing that basis is very heavy, chassis is made to fix insecure, the problem that there is potential safety hazard, a kind of tunnel articulated lining bogie is provided, this lining trolley is by optimizing the structure of chassis, make chassis when needs transverse shifting, only need the translating device on movable supporting frame, without moving integrally chassis, make chassis fixation, gentle support, fully ensure the safety of construction equipment and workmen, eliminate potential safety hazard.
To achieve these goals, the invention provides techniques below scheme:
A kind of tunnel articulated lining bogie, including multiple triangle support frames and be arranged on the running gear bottom triangle support frame, also include the template system of setting corresponding with tunnel, described template system is supported on triangular support bracket, also include the translating device being arranged in triangle support frame top, for connecting and support shuttering system, described triangle support frame top is additionally provided with the platform horizontally slipped for translating device.
Triangle support frame is formed by connecting at top hinge by two triangular support plates, take to arrange the mode of platform on triangle support frame top, make the translating device that bracket, top template and upper longeron connect into can horizontally slip on platform, when chassis needs left and right translation, having only to mobile translating device, making whole chassis traversing thus avoiding. Translate about translating device, and chassis is not traversing relative to long rails, ensure that the very heavy relative position with sliding rail in basis being installed on pallet bottom is not moved, make basis very heavy when chassis is supported, all the time it is fixed on track, make chassis more firm, stable, eliminate potential safety hazard.
Preferably, described template system includes being arranged in multiple side templates of triangle support frame both sides and being arranged in the top template at top, top template and both sides side template are articulated and connected, it is articulated and connected between side template, described template system also includes the overlap joint template being articulated and connected with side template, and described side template, top template and overlap joint template connect into the overall structure adapted with tunnel-shaped. template system includes side template 7, top template 8 and overlap joint template 9, when the size in construction tunnel cross section changes, by the movement of translating device, top template 8 correspondence is made to be fixed on the top in tunnel, simultaneously, owing to being articulated and connected between top template 8 and side template 7, side template 7 is articulated and connected each other, by the mode of being articulated and connected, the side template 7 of both sides, tunnel draws close connection to top template 8 successively, after whole side templates 7 is all adjusted in place, install/take off overlap joint template 9 at side template 7 end of tunnel two side bottom again, so that whole chassis is all applicable when different tunnel cross-sectional sizes, avoid the trouble that top template 8 is replaced to be brought.
Preferably, described translating device includes bracket, top template and upper longeron, and bracket, top template and upper longeron connect into entirety, and described upper longeron is horizontally slipped at platform by translation oil cylinder, described translation oil cylinder is arranged on platform, and is arranged symmetrically in the two ends, left and right of triangle support frame. By being symmetrical arranged translation oil cylinder on platform, upper longeron is made to horizontally slip on platform by translation oil cylinder, thus reaching the effect making chassis more adapt to sectional position, tunnel, avoid the movement of whole chassis, meanwhile, be symmetrical arranged translation oil cylinder, mobile also more smooth and easy, stress is more balanced.
Preferably, described bracket includes bracket column and yoke crosstie, and yoke crosstie is additionally provided with the connection oil cylinder for connecting side template. yoke crosstie is fixed on longeron, bracket column plays top template for supporting bracket, structure is made to have more stability, simultaneously, yoke crosstie arranges the connection oil cylinder connecting side template, when tunnel cross-sectional sizes changes, by hydraulic system to connect oil cylinder control, it is easy to the adjustment of template and in place, upper longeron is possible not only to move left and right and adjusts position, chassis is made more to adapt to sectional position, tunnel at horizontal direction, and be supported by connecting length of oil cylinder change, reach to adjust the purpose of bracket support radius, convenient flexibly, when multiple tunnel section radius, equally applicable, range of application is more extensive.
Preferably, described platform is additionally provided with the longitudinal spacing block for preventing upper longeron from excessively sliding. Limited block is set, it is prevented that upper longeron is excessively sliding, and the translating device that upper longeron, bracket and top template are constituted carries out position restriction, plays a protective role.
Preferably, being provided with articulated beam and bridging between described triangle support frame, bridging adopts the mode of bolt-connection to be fixed on bracing frame, and described articulated beam adopts the mode of bolt-connection to be fixed on bracing frame. Bridging adopts the mode of bolt-connection, makes support more solid and reliable, relative movement will not occur, make whole triangular support system more reliable and more stable, in order to make the same firm stable of the connection between articulated beam with support, is also adopted by the mode of bolt-connection.
Preferably, lower longeron and top longeron is used to connect between described triangle support frame, and be arranged in parallel between multiple triangle support frame, described top longeron is arranged on the position identical with upper longeron height, is installed on the middle part of triangle support frame and is firmly connected with it. Top longeron is installed on the middle part of triangle support frame, makes triangle support frame firm stable more, identical with upper longeron at height and position, it is ensured that the yoke crosstie being fixed on longeron slides smoothly, will not interfere.
Preferably, described triangle support frame is 3 rows, and running gear is 2 groups, and lower longeron is 2, and top longeron is 2.
Preferably, described top template is 1 piece, and side template is 6 pieces, and overlap joint template is polylith. Top template is designed as 1 piece, side template is designed as 6 pieces, each side 3 pieces, can ensure that template adjusts better in place, simultaneously, it is also possible to adapt to tunnel cross-sectional sizes change in larger scope, overlap joint template is polylith, according to cross section, different size of tunnel, install/take off polylith overlap joint template, make chassis all applicable on a large scale.
Compared with prior art, beneficial effects of the present invention:
1, take to arrange the mode of platform on triangle support frame top, make the translating device that bracket, top template and upper longeron connect into can horizontally slip on platform, when chassis needs left and right translation, it is only necessary to mobile translating device, make whole chassis traversing thus avoiding. Translate about translating device, and chassis is not traversing relative to long rails, ensure that the very heavy relative position with sliding rail in basis being installed on pallet bottom is not moved, make basis very heavy when chassis is supported, all the time it is fixed on track, make chassis more firm, stable, eliminate potential safety hazard. Simultaneously, owing to translating device is connected to template system, during mobile translating device, template system can be driven to be adjusted, template system is made more to adapt to the change of sectional position, tunnel, and, when the size of tunnel section radius changes, template system can be adjusted better by translating device;
2, template system includes side template 7, top template 8 and overlap joint template 9, when the size in construction tunnel cross section changes, by the movement of translating device, top template 8 correspondence is made to be fixed on the top in tunnel, simultaneously, owing to being articulated and connected between top template 8 and side template 7, side template 7 is articulated and connected each other, by the mode of being articulated and connected, the side template 7 of both sides, tunnel draws close connection to top template 8 successively, after whole side templates 7 is all adjusted in place, install/take off overlap joint template 9 at side template 7 end of tunnel two side bottom again, so that whole chassis is all applicable when different tunnel cross-sectional sizes, avoid the trouble that top template 8 is replaced to be brought,
3, bridging adopts the mode of bolt-connection to be fixed on bracing frame, articulated beam and bracing frame are also adopted by the mode of bolt-connection, make support more solid and reliable, relative movement will not be there is, make whole triangular support system more reliable and more stable, solve and prior art adopts the mode being articulated and connected fix articulated beam and the unstable problem of support that bridging brings;
4, top longeron is arranged on the position identical with upper longeron height, is installed on the middle part of triangle support frame and is firmly connected with it. Top longeron is installed on the middle part of triangle support frame, makes triangle support frame firm stable more, identical with upper longeron at height and position, it is ensured that the yoke crosstie being fixed on longeron slides smoothly, will not interfere;
5, on yoke crosstie, also set up the connection oil cylinder for connecting side template. Yoke crosstie is fixed on longeron, bracket column plays top template for supporting bracket, structure is made to have more stability, simultaneously, yoke crosstie arranges the connection oil cylinder connecting side template, when tunnel cross-sectional sizes changes, by the hydraulic system control to connecting oil cylinder, it is simple to the adjustment of template and in place.
Accompanying drawing explanation
Fig. 1 is that existing hydraulic pressure is walked the structural representation of lining trolley automatically.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the structural representation of the triangle support frame of Fig. 2.
Fig. 4 is the present invention structural representation when tunnel section radius increases.
Labelling in figure: 1-triangle support frame, 2-running gear, longeron under 3-, 4-pushes up longeron, 5-articulated beam, 6-bridging, 7-side template, 8-top template, 9-overlaps template, the upper longeron of 10-, 11-platform, the lateral oil cylinder of 12-, the lateral screw mandrel of 13-, the lateral work platforms beam of 14-, 15-Hydraulic Station and fluid pressure line, 16-basis is very heavy, the vertical oil cylinder of 17-, the vertical expansion link of 18-, 19-translation oil cylinder, 20-longitudinal spacing block, 21-bracket column, 22-yoke crosstie, 23-connects oil cylinder.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail. But this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to the scope of the present invention.
Embodiment
The present embodiment is used for variable cross-section constructing tunnel.
A kind of tunnel articulated lining bogie, as shown in Figures 2 and 3, including multiple triangle support frames 1 be arranged on the running gear 2 bottom triangle support frame, also include the template system of setting corresponding with tunnel, described template system is supported on triangular support bracket 1, also including the translating device being arranged in triangle support frame 1 top, for connecting and support shuttering system, described triangle support frame 1 top is additionally provided with the platform 11 horizontally slipped for translating device.
Take to arrange the mode of platform on triangle support frame top, make the translating device that bracket, top template and upper longeron connect into can horizontally slip on platform, when chassis needs left and right translation, it is only necessary to mobile translating device, make whole chassis traversing thus avoiding. Translate about translating device, and chassis is not traversing relative to long rails, ensure that the very heavy relative position with sliding rail in basis being installed on pallet bottom is not moved, make basis very heavy when chassis is supported, all the time it is fixed on track, make chassis more firm, stable, eliminate potential safety hazard. Simultaneously, owing to translating device is connected to template system, during mobile translating device, template system can be driven to be adjusted, template system is made more to adapt to the change of sectional position, tunnel, and, when the size of tunnel section radius changes, template system can be adjusted better by translating device.
It is arranged in parallel between multiple triangle support frames 1, connect fixing by lower longeron 3 and top longeron 4, the running gear 2 that longitudinally track moves it is provided with bottom triangle support frame 1, described triangle support frame 1 is linked together by lower longeron 3 and top longeron 4, and be arranged in parallel between multiple triangle support frame 1, it is provided with articulated beam 5 and bridging 6 between triangle support frame 1 in a longitudinal direction.Described template system includes the multiple side templates 7 being arranged in triangle support frame both sides and the top template 8 being arranged in top, it is articulated and connected between side template 7, it is articulated and connected between the side template 7 of top template 8 and both sides, also including the overlap joint template 9 being articulated and connected with side template 7, described side template 7, top template 8 and overlap joint template 9 connect into the overall structure adapted with tunnel-shaped. template system includes side template 7, top template 8 and overlap joint template 9, when the size in construction tunnel cross section changes, by the movement of translating device, top template 8 correspondence is made to be fixed on the top in tunnel, simultaneously, owing to being articulated and connected between top template 8 and side template 7, side template 7 is articulated and connected each other, by the mode of being articulated and connected, the side template 7 of both sides, tunnel draws close connection to top template 8 successively, after whole side templates 7 is all adjusted in place, install/take off overlap joint template 9 at side template 7 end of tunnel two side bottom again, so that whole chassis is all applicable when different tunnel cross-sectional sizes, avoid the trouble that top template 8 is replaced to be brought.
In prior art, in order to make the template system of chassis be applicable to the tunnel that cross-sectional sizes is different, need to be equipped with the top template of multiple different arc and radius, when carrying out top template and changing, replacing Comparision bothers, and there is transition problem between top template and the side template after changing, and often linking has some setbacks or there is larger gap, later stage concreting work is produced considerable influence, and quality also can not be guaranteed. Adopt the mode installing/cancel overlap joint template at side template end, efficiently solve the problem that top template and side template transition connect, make top template tight with side template transition, and it is very convenient fast to install/cancel overlap joint template, improves efficiency of construction. As shown in Figure 2, tunnel section radius in the present embodiment is of a size of 6460mm, top template 8 is 1 piece, side template 7 is 6 pieces, overlap joint template 9 is 2 pieces, when tunnel section radius is of a size of 7270, as shown in Figure 4, top template 8 is 1 piece, and side template 7 is 6 pieces, overlap joint template 9 is 4 pieces, top template 8 and side template 7 adjust in place according to the change of radius, simultaneously as top template 8 and side template 7 draw in toward top, tunnel, the bottom in both sides, tunnel is needed to increase overlap joint template 9, in order to adapt to the change that tunnel cross-sectional sizes increases. Overlap joint template 9 is polylith, according to cross section, different size of tunnel, installs/takes off polylith overlap joint template 9, make chassis all applicable on a large scale.
Translating device includes bracket, top template 8 and upper longeron 10, bracket, top template 8 and upper longeron 10 connect into entirety, described triangle support frame 1 top is additionally provided with the platform 11 horizontally slipped for translating device, by platform 11, translating device can horizontally slip, so that top template 8 correspondence is installed on tunnel top, it is easy to the integrated regulation of template system, bracket, top template 8 and upper longeron 10 connect into entirety, and side template 7 is connected with triangle support frame 1 by the lateral lateral screw mandrel 13 of oil cylinder 12/. The control system of chassis adopts hydraulic system, and hydraulic system is arranged on triangle support frame 1, is controlled by being arranged on Hydraulic Station on lateral work platforms beam 14 and fluid pressure line 15. The bottom of tunnel articulated lining bogie is additionally provided with basis very heavy 16, chassis operationally uses basis very heavy 16 to support in orbit, triangle support frame 1 is connected to vertical oil cylinder 17 and vertical expansion link 18 in bottom, by vertical oil cylinder 17 and vertical expansion link 18, it is possible to adjust the whole height of chassis.When the section radius size in tunnel changes, by reducing/raise vertical oil cylinder 17 and vertical expansion link 18, the height of triangle support frame 1 is made to be more adapted to the cross-sectional sizes in tunnel, simultaneously, by adjusting the length of the lateral lateral screw mandrel 13 of oil cylinder 12/, complete the support to template system.
In the present embodiment, triangle support frame 1 is 3 rows, the two ends, left and right of chassis are provided with 2 groups of running gears 2, the lower end of triangle support frame 1 connects fixing by lower longeron 3, lower longeron 3 is 2, top longeron 4 is 2, top longeron 4 is arranged on the position highly identical with upper longeron 10, it is installed on the middle part of triangle support frame 1 and is firmly connected with it, top longeron 4 is installed on the middle part of triangle support frame 1, make triangle support frame 1 firm stable more, identical with upper longeron 10 at height and position, can ensure that the bracket being fixed on longeron 10 is overall to slide smoothly, will not interfere.
Described upper longeron 10 is horizontally slipped on platform 11 by translation oil cylinder 19, and described translation oil cylinder 19 is arranged on platform 11, and is arranged symmetrically in the two ends, left and right of triangle support frame 1. Translation oil cylinder 19 is set, makes upper longeron 10 horizontally slip on platform 11 by translation oil cylinder 19, thus reaching the effect making chassis more adapt to sectional position, tunnel, avoid the movement that chassis is overall, meanwhile, be symmetrical arranged translation oil cylinder 19, mobile also more smooth and easy, stress is more balanced. Platform is additionally provided with the longitudinal spacing block 20 for preventing upper longeron 10 from excessively sliding. Longitudinal spacing block 20 is set, it is prevented that upper longeron 10 is excessively sliding, and the position of the translating device that upper longeron 10, bracket and top template 8 are constituted is defined, and plays the effect of protection translating device.
Bracket includes bracket column 21 and yoke crosstie 22, and yoke crosstie 22 is additionally provided with the connection oil cylinder 23 for connecting side template. yoke crosstie 22 is fixed on longeron 10, bracket column 21 plays top template 8 for supporting bracket, structure is made to have more stability, simultaneously, yoke crosstie 22 arranges the connection oil cylinder 23 connecting side template 7, when tunnel cross-sectional sizes changes, by hydraulic system to connect oil cylinder 23 control, it is easy to the adjustment of template system and in place, take this structure, upper longeron 10 is possible not only to move left and right and adjusts position, chassis is made more to adapt to sectional position, tunnel at horizontal direction, and by connecting support and the length change of oil cylinder 23, reach to adjust the purpose of bracket support radius, convenient flexibly, when multiple tunnel section radius, equally applicable, range of application is more extensive.
Described bridging 6 adopts the mode of bolt-connection to be fixed on triangle support frame 1, described articulated beam 5 adopts bolt-connection with triangle support frame 1, bridging 6 mode that adopt bolt-connection same with triangle support frame 1, make support more solid and reliable, relative movement will not be there is, make whole triangular support system more reliable and more stable, solve and prior art adopts the mode being articulated and connected fix articulated beam and the unstable problem of support that bridging brings.
Claims (9)
1. a tunnel articulated lining bogie, including multiple triangle support frames and be arranged on the running gear bottom triangle support frame, also include the template system of setting corresponding with tunnel, described template system is supported on triangular support bracket, it is characterized in that, also including the translating device being arranged in triangle support frame top, for connecting and support shuttering system, described triangle support frame top is additionally provided with the platform horizontally slipped for translating device.
2. tunnel according to claim 1 articulated lining bogie, it is characterized in that, described template system includes being arranged in multiple side templates of triangle support frame both sides and being arranged in the top template at top, top template and both sides side template are articulated and connected, it is articulated and connected between side template, described template system also includes the overlap joint template being articulated and connected with side template, and described side template, top template and overlap joint template connect into the overall structure adapted with tunnel-shaped.
3. tunnel according to claim 2 articulated lining bogie, it is characterized in that, described translating device includes bracket, top template and upper longeron, bracket, top template and upper longeron connect into entirety, described upper longeron is horizontally slipped at platform by translation oil cylinder, described translation oil cylinder is arranged on platform, and is arranged symmetrically in the two ends, left and right of triangle support frame.
4. tunnel according to claim 3 articulated lining bogie, it is characterised in that described bracket includes bracket column and yoke crosstie, yoke crosstie is additionally provided with the connection oil cylinder for connecting side template.
5. tunnel according to claim 3 articulated lining bogie, it is characterised in that be additionally provided with the longitudinal spacing block for preventing upper longeron from excessively sliding on described platform.
6. tunnel according to claim 1 articulated lining bogie, it is characterized in that, being provided with articulated beam and bridging between described triangle support frame, bridging adopts the mode of bolt-connection to be fixed on bracing frame, and described articulated beam adopts the mode of bolt-connection to be fixed on bracing frame.
7. according to the tunnel articulated lining bogie one of claim 4-6 Suo Shu, it is characterized in that, lower longeron and top longeron is used to connect between described triangle support frame, and be arranged in parallel between multiple triangle support frame, described top longeron is arranged on the position identical with upper longeron height, is installed on the middle part of triangle support frame and is firmly connected with it.
8. tunnel according to claim 7 articulated lining bogie, it is characterised in that described triangle support frame is 3 rows, running gear is 2 groups, and lower longeron is 2, and top longeron is 2.
9. tunnel according to claim 8 articulated lining bogie, it is characterised in that described top template is 1 piece, side template is 6 pieces, and overlap joint template is polylith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187029.4A CN105673050A (en) | 2016-03-29 | 2016-03-29 | Tunnel hinged type lining trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187029.4A CN105673050A (en) | 2016-03-29 | 2016-03-29 | Tunnel hinged type lining trolley |
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| Publication Number | Publication Date |
|---|---|
| CN105673050A true CN105673050A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187029.4A Pending CN105673050A (en) | 2016-03-29 | 2016-03-29 | Tunnel hinged type lining trolley |
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| CN (1) | CN105673050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130939A (en) * | 2019-06-20 | 2019-08-16 | 中国五冶集团有限公司 | A kind of tunnel double-lining section trolley |
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| CN110130939A (en) * | 2019-06-20 | 2019-08-16 | 中国五冶集团有限公司 | A kind of tunnel double-lining section trolley |
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