CN212867563U - Tunnel super-large section two-lining trolley capable of being widened for multiple times - Google Patents
Tunnel super-large section two-lining trolley capable of being widened for multiple times Download PDFInfo
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- CN212867563U CN212867563U CN202020430903.4U CN202020430903U CN212867563U CN 212867563 U CN212867563 U CN 212867563U CN 202020430903 U CN202020430903 U CN 202020430903U CN 212867563 U CN212867563 U CN 212867563U
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Abstract
A tunnel ultra-large section two-lining trolley capable of being widened for multiple times comprises a template assembly, a top die frame body assembly, a translation mechanism, a portal assembly (comprising a main portal and an auxiliary portal), a main traveling mechanism, a slave traveling mechanism, a screw jack, a hydraulic system, a traveling system, an electric system and the like. The universal main portal frame, the side formwork and various supporting rod pieces are utilized, a hydraulic system is debugged, an electrical system, a translation system and a traveling system are debugged, a single auxiliary portal frame or a combination of two auxiliary portal frames is added on the basis of the main portal frame through the auxiliary portal frames with 3 sizes, the upper part of the installation trolley is lengthened, a top formwork supporting frame body is newly added, a vault panel with the same radius as a widened section is replaced, multiple widening and conversion construction of the variable-section tunnel secondary lining trolley is realized, the peripheral shape and size of the widened rear formwork assembly are matched with the peripheral shape and size of each variable-section of the tunnel, the construction efficiency and quality are effectively improved, the formwork system is fast in conversion, the construction speed is fast, time and labor are saved, the quality is good, the safety and.
Description
Technical Field
The utility model belongs to the technical field of super large section widen tunnel lining construction, concretely relates to two lining platform trucks of tunnel super large section that can widen many times.
Background
The main lines of the left line and the right line of a tunnel of a certain highway engineering are separated, underground interchange construction exists, the distance of 500m from the main line four lanes is changed into 3+2 lines, the distance is widened for multiple times, the widening is changed into sudden change every time, the construction difficulty of the tunnel is increased in the construction process, particularly, the safety risk and the difficulty of construction of each procedure of the tunnel are increased due to the characteristic of the oversized section of the tunnel, and the construction safety of quick conversion of a variable section oversized section secondary lining construction lining trolley is mainly solved. Because of tunnel lining structure section span is big, the section structure is widened from little to big sudden change, the ordinary platform truck of general widening section only changes alone at standard section and a certain widened position, the tunnel section is less, platform truck self structure construction safety risk is lower, adopt extension member and hydraulic telescoping system alright realize widening section platform truck conversion and construction, even there are a plurality of widening section constructions, general platform truck is after the construction of widening section is accomplished, get into next widening section except that need change the panel, all the other braced systems all need all to demolish the change, reuse rate is not high, platform truck self construction safety can't be ensured.
Disclosure of Invention
In order to overcome the defects of the prior art, the novel purpose of the use is to provide a tunnel ultra-large section two-lining trolley capable of being widened for multiple times, a universal main portal frame is utilized, a universal side die and various supporting rod pieces are utilized, a hydraulic system is debugged, an electrical system and a translation and walking system are utilized, 3 types of 3 sizes of auxiliary portal frames, namely a 7m auxiliary portal frame and a 6.6m auxiliary portal frame are utilized, a single auxiliary portal frame or a combination of two auxiliary portal frames is added on the basis of the main portal frame, the upper part of the installation trolley is lengthened, a supporting frame body of a top die is newly added, a vault panel with the same radius as the widened section is replaced, and the secondary lining trolley with the variable section is widened for multiple times for conversion construction.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a two lining platform trucks of tunnel super large section that can widen many times widens top mould (1), general side forms (2), hangs mould (3), its characterized in that:
the back of the widened top die (1) is welded with a reserved connecting upright post (26) and a reserved connecting cross beam (27), the widened top dies (1) are fixedly connected through bolts, the combination of the outer contour of the widened template is the same as that of a lining to be poured and is tangent to the outer contour of the lining of the last widened section, the widened top die (1) is supported through a top die support, and the widened top die (1) is fixedly connected with a small upright post and a small cross beam of the top die support through the reserved connecting upright post (26) and the reserved connecting cross beam (27); the widened top die (1) is supported on a main trolley portal (10) and a secondary trolley portal (11) of the secondary lining trolley with the widened cross section through a top die support; the top die support is fixedly connected and supported with a small upright post (17) and a small cross beam (20) of the top die support of the trolley with the widened section through a lengthened small upright post (18) and a lengthened small cross beam (21) to realize widening;
the trolley auxiliary portal (11) is hinged with the universal side forms (2) and the hanging die (3) through panel supporting inclined struts (14), the universal side forms (2) are divided into a plurality of blocks which are connected through bolts, reinforcing steel channels and reinforcing rib plates are arranged at the back of the panels, steel plate flanges are connected between the panels, the universal side forms (2) are hinged with the hanging die, and the universal side forms (2) are hinged with the widening top die (1);
the main gantry (10) of the trolley is connected with the widened top die (1) through a top die bracket; the two sides of the main gantry (10) of the trolley are connected with the universal side forms (2) through a plurality of panel supporting inclined struts (14), the main gantry (10) of the trolley is directly installed on a filling leveling layer through a traveling device, a trackless traveling system is adopted, and the traveling system drives traveling wheels (24) of a wheel box (23) to travel by using a motor (22);
the hanging mould (3) is hinged with the auxiliary portal frame (11) of the newly-added trolley through a panel supporting inclined strut (14), and a panel supporting inclined strut (14) is arranged between the hanging mould and the ground filling leveling layer for supporting;
the main gantry (10) and the auxiliary gantry (11) of the trolley are arranged on the track through the traveling device (9); the traveling device (9) is a wheel box, the traveling device (9) at one end of the main gantry (10) and the auxiliary gantry (11) of the trolley is provided with a driving device, a motor (22) is connected with a traveling wheel (24) of the wheel box (23) through a transmission belt to realize trolley traveling, and a hydraulic pump station (4) is used for controlling the translation oil cylinder (6) and the lifting oil cylinder (5) to realize left-right and up-down adjustment of the trolley;
the tops of the main gantry (10) and the auxiliary gantry (11) of the trolley are connected with the widened top die (1) through a top die support; two sides of the side wall are connected with the universal side formwork (2) through panel supporting inclined struts (14); the adjusting support is driven by a hydraulic side die oil cylinder (8) to adjust the universal side die (2), and the universal side die (2) is hinged with the hanging die (3) to realize the adjustment of the hanging die (3);
a translation system (7) and a vertical lifting oil cylinder (5) adjusting device are arranged in the top die support, and a horizontal position adjusting device, a translation oil cylinder (6), translation wheels (25) and a vertical lifting adjusting device lifting oil cylinder (5) are arranged in the top die support;
the top die support consists of longitudinal beams (16), small cross beams (20), lengthened small cross beams (21), small upright columns (17), lengthened small upright columns (18) and newly-added small upright columns (19), and all components are fixedly connected by bolts; the top die support is supported by a main trolley portal (10) and a secondary trolley portal (11);
the auxiliary trolley portal frame (11) is added to one side of the main trolley portal frame (10), the auxiliary trolley portal frame (11) is provided with an elongated cross beam (13), a panel supporting inclined strut (14), a longitudinal beam (16), a newly-added auxiliary portal frame stand column (12) and an auxiliary portal frame inclined strut (15) in fixed connection, one end of the elongated cross beam (13) is fixedly connected with an upper cross beam of the main trolley portal frame (10) through a bolt, the other end of the elongated cross beam is fixedly connected with the newly-added auxiliary portal frame stand column (12) through a bolt, the elongated cross beam (13), the panel supporting inclined strut (14) and the newly-added auxiliary portal frame stand column (12) are provided with the auxiliary portal inclined strut (15) therebetween, one end of the panel supporting inclined strut (14) is fixedly connected with the main trolley portal frame stand column (10.
When the trolley auxiliary portal (11) needs to be combined and widened by two independent auxiliary portals, the trolley auxiliary portal can be assembled into a whole in advance, and the method and the composition of the trolley auxiliary portal (11) are the same as a single auxiliary portal and pass through 3.5m auxiliary portal A (11-1), 7m auxiliary portal B (11-2) and 6.6m auxiliary portal C (11-3) which are 3 sizes, the single auxiliary portal or the combination of two auxiliary portals is added on the basis of the trolley main portal (10), the upper part of the trolley is lengthened, a supporting frame body of a top mold is newly added, the arch crown panel with the same radius as the widened section is replaced, and the widening of the tunnel section is realized.
The horizontal moving oil cylinder (6) is used for jacking the horizontal moving wheels (25) to realize the left-right adjustment of the trolley, and the lifting oil cylinder (5) is used for realizing the vertical lifting adjustment device for the vertical adjustment of the trolley by adopting a vertical jack, wherein the vertical jack comprises a vertical hydraulic jack or a screw jack.
The horizontal position adjusting device (6) adopts a horizontal jack and also adopts a hydraulic or screw jack.
Through the 3 kinds of size of the 3.5m auxiliary portal, 7m auxiliary portal, 6.6m auxiliary portal, increase the combination of single auxiliary portal or two of them auxiliary portal on the main portal basis, newly-increased auxiliary portal 11 opposite side and general side forms 2 through a plurality of panel support bracing 14 and adjustable device side forms hydro-cylinder 8 hinged joint, adopt bolt fixed connection between the general side forms 2, adopt hinged joint between general side forms 2 and the hanging die 3.
After the top die is widened, the widened top die is fixedly connected with the top die through bolts, and the widened top die and the universal side die are connected in a cross mode, so that the widened die can be used for adjusting the widened die plate, the quality of second-lining construction is guaranteed, and after the widened top die is widened, the combination of the outer contour of the widened trolley die plate is the same as the contour of the lining to be cast and is tangent to the outer contour of the lining of the last widened section.
The utility model has the advantages that:
the utility model provides a pair of two lining platform trucks in tunnel super large section that can widen many times, utilize general main portal, general side forms and various support member, debug hydraulic system, electrical system and translation, traveling system, through the vice portal of 3.5m, the vice portal of 7m, the vice portal of this 3 kinds of sizes of the vice portal of 6.6m, increase single vice portal or wherein two combination of vice portal on main portal basis, installation platform truck upper portion extension and newly-increased top mould support the support body, change and widen the same radial vault panel of section, realize two lining platform trucks in variable cross section tunnel and widen the conversion construction many times.
The utility model discloses can effectively improve efficiency of construction and quality, the template system conversion is fast, construction speed is fast, labour saving and time saving, and is of high quality, and is safe firm, and material reuse rate is high, has mainly ensured the construction safety of two lining constructions in super large section.
Drawings
FIG. 1 is a schematic cross-sectional view of the main portal frame +3.5m auxiliary portal frame of the ultra-large cross-section variable cross-section trolley of the utility model;
FIG. 2 is a schematic cross-sectional view of the main portal frame +7m auxiliary portal frame of the ultra-large cross-section variable cross-section trolley of the present invention;
FIG. 3 is a schematic cross-sectional view of the main gantry, the 7m auxiliary gantry, and the 3.5m auxiliary gantry of the ultra-large cross-section variable-cross-section table of the present invention;
FIG. 4 is a schematic cross-sectional view of the main gantry, the 7m auxiliary gantry, and the 6.6m auxiliary gantry of the ultra-large cross-section variable-cross-section table of the present invention;
fig. 5 is the utility model discloses super large section variable cross section platform truck vertical section sketch map.
Wherein, 1 is a widened top die; 2, a universal side die; 3, hanging the mould; 4 is a hydraulic pump station; 5 is a lifting oil cylinder; 6 is a translation oil cylinder; 7 is a translation system; 8 is a side die oil cylinder; 9 is a walking system; 10 is a main portal frame of the trolley; 11 is a trolley auxiliary portal; 12, adding an auxiliary portal upright post; 13 is a lengthened beam; 14 is a panel support diagonal brace; 15 is an auxiliary door frame inclined strut; 16 is a longitudinal beam; 17 is a small upright post; 18 is a lengthened small upright post; 19 is a newly added small upright post; 20 is a small beam; 21 is a lengthened small beam; 22 is a motor; 23 is a wheel box; 24 are walking wheels; 25 is a translation wheel; 26 is a reserved connecting upright post; and 27 is reserved for connecting a cross beam.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
As shown in figures 1, 2, 3 and 4, the tunnel ultra-large section two-lining trolley capable of being widened for multiple times widens a top die (1), a general side die (2) and a hanging die (3), and is characterized in that:
the back of the widened top die (1) is welded with a reserved connecting upright post (26) and a reserved connecting cross beam (27), the widened top dies (1) are fixedly connected through bolts, the combination of the outer contour of the widened template is the same as that of a lining to be poured and is tangent to the outer contour of the lining of the last widened section, the widened top die (1) is supported through a top die support, and the widened top die (1) is fixedly connected with a small upright post and a small cross beam of the top die support through the reserved connecting upright post (26) and the reserved connecting cross beam (27); the widened top die (1) is supported on a main trolley portal (10) and a secondary trolley portal (11) of the secondary lining trolley with the widened cross section through a top die support; the top die support is fixedly connected and supported with a small upright post (17) and a small cross beam (20) of the top die support of the trolley with the widened section through a lengthened small upright post (18) and a lengthened small cross beam (21) to realize widening;
the trolley auxiliary portal (11) is hinged with the universal side forms (2) and the hanging die (3) through panel supporting inclined struts (14), the universal side forms (2) are divided into a plurality of blocks which are connected through bolts, reinforcing steel channels and reinforcing rib plates are arranged at the back of the panels, steel plate flanges are connected between the panels, the universal side forms (2) are hinged with the hanging die, and the universal side forms (2) are hinged with the widening top die (1);
the main gantry (10) of the trolley is connected with the widened top die (1) through a top die bracket; the two sides of the main gantry (10) of the trolley are connected with the universal side forms (2) through a plurality of panel supporting inclined struts (14), the main gantry (10) of the trolley is directly installed on a filling leveling layer through a traveling device, a trackless traveling system is adopted, and the traveling system drives traveling wheels (24) of a wheel box (23) to travel by using a motor (22);
the hanging mould (3) is hinged with the auxiliary portal frame (11) of the newly-added trolley through a panel supporting inclined strut (14), and a panel supporting inclined strut (14) is arranged between the hanging mould and the ground filling leveling layer for supporting;
the main gantry (10) and the auxiliary gantry (11) of the trolley are arranged on the track through the traveling device (9); the traveling device (9) is a wheel box, the traveling device (9) at one end of the main gantry (10) and the auxiliary gantry (11) of the trolley is provided with a driving device, a motor (22) is connected with a traveling wheel (24) of the wheel box (23) through a transmission belt to realize trolley traveling, and a hydraulic pump station (4) is used for controlling the translation oil cylinder (6) and the lifting oil cylinder (5) to realize left-right and up-down adjustment of the trolley;
the tops of the main gantry (10) and the auxiliary gantry (11) of the trolley are connected with the widened top die (1) through a top die support; two sides of the side wall are connected with the universal side formwork (2) through panel supporting inclined struts (14); the adjusting support is driven by a hydraulic side die oil cylinder (8) to adjust the universal side die (2), and the universal side die (2) is hinged with the hanging die (3) to realize the adjustment of the hanging die (3);
a translation system (7) and a vertical lifting oil cylinder (5) adjusting device are arranged in the top die support, and a horizontal position adjusting device, a translation oil cylinder (6), translation wheels (25) and a vertical lifting adjusting device lifting oil cylinder (5) are arranged in the top die support;
the top die support consists of longitudinal beams (16), small cross beams (20), lengthened small cross beams (21), small upright columns (17), lengthened small upright columns (18) and newly-added small upright columns (19), and all components are fixedly connected by bolts; the top die support is supported by a main trolley portal (10) and a secondary trolley portal (11);
the auxiliary trolley portal frame (11) is added to one side of the main trolley portal frame (10), the auxiliary trolley portal frame (11) is provided with an elongated cross beam (13), a panel supporting inclined strut (14), a longitudinal beam (16), a newly-added auxiliary portal frame stand column (12) and an auxiliary portal frame inclined strut (15) in fixed connection, one end of the elongated cross beam (13) is fixedly connected with an upper cross beam of the main trolley portal frame (10) through a bolt, the other end of the elongated cross beam is fixedly connected with the newly-added auxiliary portal frame stand column (12) through a bolt, the elongated cross beam (13), the panel supporting inclined strut (14) and the newly-added auxiliary portal frame stand column (12) are provided with the auxiliary portal inclined strut (15) therebetween, one end of the panel supporting inclined strut (14) is fixedly connected with the main trolley portal frame stand column (10.
When the trolley auxiliary portal (11) needs to be combined and widened by two independent auxiliary portals, the trolley auxiliary portal can be assembled into a whole in advance, and the method and the composition of the trolley auxiliary portal (11) are the same as a single auxiliary portal and pass through 3.5m auxiliary portal A (11-1), 7m auxiliary portal B (11-2) and 6.6m auxiliary portal C (11-3) which are 3 sizes, the single auxiliary portal or the combination of two auxiliary portals is added on the basis of the trolley main portal (10), the upper part of the trolley is lengthened, a supporting frame body of a top mold is newly added, the arch crown panel with the same radius as the widened section is replaced, and the widening of the tunnel section is realized.
The horizontal moving oil cylinder (6) is used for jacking the horizontal moving wheels (25) to realize the left-right adjustment of the trolley, and the lifting oil cylinder (5) is used for realizing the vertical lifting adjustment device for the vertical adjustment of the trolley by adopting a vertical jack, wherein the vertical jack comprises a vertical hydraulic jack or a screw jack.
The horizontal position adjusting device (6) adopts a horizontal jack and also adopts a hydraulic or screw jack.
Through the 3 kinds of size of the 3.5m auxiliary portal, 7m auxiliary portal, 6.6m auxiliary portal, increase the combination of single auxiliary portal or two of them auxiliary portal on the main portal basis, newly-increased auxiliary portal 11 opposite side and general side forms 2 through a plurality of panel support bracing 14 and adjustable device side forms hydro-cylinder 8 hinged joint, adopt bolt fixed connection between the general side forms 2, adopt hinged joint between general side forms 2 and the hanging die 3.
After the top die is widened, the widened top die is fixedly connected with the top die through bolts, and the widened top die and the universal side die are connected in a cross mode, so that the widened die can be used for adjusting the widened die plate, the quality of second-lining construction is guaranteed, and after the widened top die is widened, the combination of the outer contour of the widened trolley die plate is the same as the contour of the lining to be cast and is tangent to the outer contour of the lining of the last widened section.
The method comprises the steps of utilizing a general main portal frame, side forms, various supporting rod pieces, debugging a hydraulic system, an electrical system, a translation and walking system, adding a single auxiliary portal frame or a combination of two auxiliary portal frames on the basis of the main portal frame through the auxiliary portal frames with 3 sizes, lengthening the upper part of a mounting trolley, newly adding a top form supporting frame body, replacing a vault panel with the same radius as a widened section, realizing multiple widening conversion construction of a tunnel secondary lining trolley with a variable section, adapting the peripheral shape and size of a widened template assembly to the peripheral shape and size of each variable section of the tunnel, carrying out secondary lining concrete construction on a widened section of the tunnel with the oversized section after the widened template is widened at one side, positioning the construction trolley, pouring concrete, removing the template, moving the template and the like.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (4)
1. The utility model provides a two lining platform trucks of tunnel super large section that can widen many times widens top mould (1), general side forms (2), hangs mould (3), its characterized in that:
the back of the widened top die (1) is welded with a reserved connecting upright post (26) and a reserved connecting cross beam (27), the widened top dies (1) are fixedly connected through bolts, the combination of the outer contour of the widened template is the same as that of a lining to be poured and is tangent to the outer contour of the lining of the last widened section, the widened top die (1) is supported through a top die support, and the widened top die (1) is fixedly connected with a small upright post and a small cross beam of the top die support through the reserved connecting upright post (26) and the reserved connecting cross beam (27); the widened top die (1) is supported on a main trolley portal (10) and a secondary trolley portal (11) of the secondary lining trolley with the widened cross section through a top die support; the top die support is fixedly connected and supported with a small upright post (17) and a small cross beam (20) of the top die support of the trolley with the widened section through a lengthened small upright post (18) and a lengthened small cross beam (21) to realize widening;
the trolley auxiliary portal (11) is hinged with the universal side forms (2) and the hanging die (3) through panel supporting inclined struts (14), the universal side forms (2) are divided into a plurality of blocks which are connected through bolts, reinforcing steel channels and reinforcing rib plates are arranged at the back of the panels, steel plate flanges are connected between the panels, the universal side forms (2) are hinged with the hanging die, and the universal side forms (2) are hinged with the widening top die (1);
the main gantry (10) of the trolley is connected with the widened top die (1) through a top die bracket; the two sides of the main gantry (10) of the trolley are connected with the universal side forms (2) through a plurality of panel supporting inclined struts (14), the main gantry (10) of the trolley is directly installed on a filling leveling layer through a traveling device, a trackless traveling system is adopted, and the traveling system drives traveling wheels (24) of a wheel box (23) to travel by using a motor (22);
the hanging mould (3) is hinged with the auxiliary portal frame (11) of the newly-added trolley through a panel supporting inclined strut (14), and a panel supporting inclined strut (14) is arranged between the hanging mould and the ground filling leveling layer for supporting;
the main gantry (10) and the auxiliary gantry (11) of the trolley are arranged on the track through the traveling device (9); the traveling device (9) is a wheel box, the traveling device (9) at one end of the main gantry (10) and the auxiliary gantry (11) of the trolley is provided with a driving device, a motor (22) is connected with a traveling wheel (24) of the wheel box (23) through a transmission belt to realize trolley traveling, and a hydraulic pump station (4) is used for controlling the translation oil cylinder (6) and the lifting oil cylinder (5) to realize left-right and up-down adjustment of the trolley;
the tops of the main gantry (10) and the auxiliary gantry (11) of the trolley are connected with the widened top die (1) through a top die support; two sides of the side wall are connected with the universal side formwork (2) through panel supporting inclined struts (14); the adjusting support is driven by a hydraulic side die oil cylinder (8) to adjust the universal side die (2), and the universal side die (2) is hinged with the hanging die (3) to realize the adjustment of the hanging die (3);
a translation system (7) and a vertical lifting oil cylinder (5) adjusting device are arranged in the top die support, and a horizontal position adjusting device, a translation oil cylinder (6), translation wheels (25) and a vertical lifting adjusting device lifting oil cylinder (5) are arranged in the top die support;
the top die support consists of longitudinal beams (16), small cross beams (20), lengthened small cross beams (21), small upright columns (17), lengthened small upright columns (18) and newly-added small upright columns (19), and all components are fixedly connected by bolts; the top die support is supported by a main trolley portal (10) and a secondary trolley portal (11);
the auxiliary trolley portal frame (11) is added to one side of the main trolley portal frame (10), the auxiliary trolley portal frame (11) is provided with an elongated cross beam (13), a panel supporting inclined strut (14), a longitudinal beam (16), a newly-added auxiliary portal frame stand column (12) and an auxiliary portal frame inclined strut (15) in fixed connection, one end of the elongated cross beam (13) is fixedly connected with an upper cross beam of the main trolley portal frame (10) through a bolt, the other end of the elongated cross beam is fixedly connected with a newly-added auxiliary portal frame stand column (12) through a bolt, the elongated cross beam (13), the panel supporting inclined strut (14) and the newly-added auxiliary portal frame stand column (12) are provided with the auxiliary portal inclined strut (15) therebetween, one end of the panel supporting inclined strut (14) is fixedly connected with the main trolley portal frame stand column (10.
2. The tunnel ultra-large section two-lining trolley capable of being widened for multiple times according to claim 1, wherein when two independent auxiliary gantries are needed to be combined and widened, the trolley auxiliary gantries (11) can be assembled into a whole in advance, so that one combined auxiliary gantry can be added, the method and the combination of the trolley auxiliary gantries (11) with 3 sizes of 3.5m auxiliary gantry A (11-1), 7m auxiliary gantry B (11-2) and 6.6m auxiliary gantry C (11-3) are the same as that of a single auxiliary gantry, the single auxiliary gantry or the combination of two auxiliary gantries therein is added on the basis of the trolley main gantry (10), the upper part of the trolley is lengthened, a supporting frame body of a new top-added mould is installed, and a vault panel with the same radius as the widened section is replaced, so that the widening of the tunnel section is realized.
3. The tunnel ultra-large section two-lining trolley capable of being widened for multiple times according to claim 1, wherein a jacking translation oil cylinder (6) for a jacking translation system of the top die support translation system lifts up translation wheels (25) to realize left-right adjustment of the trolley, and a lifting oil cylinder (5) is used for realizing up-down adjustment of the trolley, and a vertical lifting adjusting device adopts a vertical jack which comprises a vertical hydraulic jack or a screw jack.
4. The tunnel ultra-large section two-lining trolley capable of being widened for multiple times according to claim 1, wherein the translation oil cylinder (6) adopts a horizontal jack and also adopts a hydraulic or screw jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020430903.4U CN212867563U (en) | 2020-03-30 | 2020-03-30 | Tunnel super-large section two-lining trolley capable of being widened for multiple times |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020430903.4U CN212867563U (en) | 2020-03-30 | 2020-03-30 | Tunnel super-large section two-lining trolley capable of being widened for multiple times |
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| CN212867563U true CN212867563U (en) | 2021-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116517596A (en) * | 2023-06-27 | 2023-08-01 | 中铁六局集团太原铁路建设有限公司 | Tunnel supporting structure and supporting method |
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2020
- 2020-03-30 CN CN202020430903.4U patent/CN212867563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116517596A (en) * | 2023-06-27 | 2023-08-01 | 中铁六局集团太原铁路建设有限公司 | Tunnel supporting structure and supporting method |
| CN116517596B (en) * | 2023-06-27 | 2023-10-10 | 中铁六局集团太原铁路建设有限公司 | Tunnel supporting structure and supporting method |
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