CN209908521U - Construction device for variable cross-section tunnel - Google Patents
Construction device for variable cross-section tunnel Download PDFInfo
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- CN209908521U CN209908521U CN201920492000.6U CN201920492000U CN209908521U CN 209908521 U CN209908521 U CN 209908521U CN 201920492000 U CN201920492000 U CN 201920492000U CN 209908521 U CN209908521 U CN 209908521U
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Abstract
A construction device of a variable cross-section tunnel relates to the technical field of construction devices in tunnel engineering. The construction device of the variable cross-section tunnel comprises a template system, a template system and a side template system, wherein the template system comprises a multi-combination top module and a side template; the upper rack system comprises an upper-layer rack beam, a lower-layer rack beam, a small upright post support, a middle upright post, a longitudinal through beam, a lifting oil cylinder and a rotating oil cylinder; the portal system comprises a main portal, an auxiliary portal, a translation oil cylinder and an adjustable supporting screw rod. A construction method of a construction apparatus for a variable cross-section tunnel includes gradually dismantling parts of structures of a formwork system, an upper stage system and a gantry system, and then recombining. The utility model discloses can change two lining platform truck template profiles when the section changes to adapt to multiple tunnel section, and then reach two lining construction requirements in the many sections tunnel of adaptation, shortened the engineering time.
Description
Technical Field
The utility model relates to a construction equipment technical field among the tunnel engineering particularly, relates to a construction equipment in variable cross section tunnel.
Background
When a multi-line tunnel and a parallel line combined repair tunnel of a mountain railway are constructed, the situation of tunnel section conversion is frequently met, the two-lining trolley which is commonly used at present is only suitable for a single tunnel section, and the two-lining trolley needs to be refitted again during section conversion, so that the problems of tunnel face shutdown, construction period delay, construction cost increase and the like are caused. Therefore, the existing two-lining trolley cannot meet the requirement of the construction of the two linings of the multi-section tunnel.
Disclosure of Invention
An object of the utility model is to provide a construction equipment in variable cross section tunnel, it is used on two lining platform trucks, and can utilize the multiple structure of dismantling, changes two lining platform truck template profiles under the condition that the section changes to adapt to multiple tunnel sections, and then reach two lining construction requirements in the tunnel of adaptation many sections, reduced construction cost, shortened the engineering time.
The utility model provides a construction method that construction equipment in variable cross section tunnel accomplished when the section changes, through adjusting the construction equipment in the variable cross section tunnel that sets up on two lining platform trucks, changes two lining platform truck template profiles, and then reaches the two lining construction requirements in the tunnel that adapt to many sections, has reduced construction cost, has shortened the engineering time.
The utility model provides a construction method that construction equipment in variable cross section tunnel accomplished when the section changes, through adjusting the construction equipment in the variable cross section tunnel that sets up on two lining platform trucks, changes two lining platform truck template profiles, and then reaches the two lining construction requirements in the tunnel that adapt to many sections, has reduced construction cost, has shortened the engineering time.
The utility model discloses a realize like this:
a construction device of a variable cross-section tunnel comprises a template system, wherein the template system comprises a multi-combination top module detachably connected with a tunnel vault and side molds symmetrically arranged on two sides of the multi-combination top module; the multi-combination top die set comprises a middle top die, and a side top die and an edge top die which are sequentially arranged on two sides of the middle top die;
the upper rack system is connected to the template system and comprises a platform beam group consisting of an upper platform beam and a lower platform beam which are arranged in parallel and vertical to the extending direction of the tunnel, a small upright post support penetrating through the platform beam group and connected to the multi-combination top module group, a middle upright post, a longitudinal through beam, a lifting oil cylinder and a rotary oil cylinder, wherein the two ends of the middle upright post are respectively connected to the upper platform beam and the middle top module; the platform beam groups are in multiple groups and are arranged at intervals along the extending direction of the tunnel; the upper layer platform beam and the lower layer platform beam can stretch along the extension direction; the small upright post support comprises an upper section arranged above the upper-layer platform beam and a lower section arranged below the upper-layer platform beam, the upper section is detachable, and the lower section is fixed; two ends of two longitudinal through beams arranged at two ends of the platform beam group are provided with lifting oil cylinders, and the middle part of the lower layer platform beam is provided with the lifting oil cylinder;
the portal system is arranged below the upper portal system and comprises a main portal, auxiliary portals arranged on two sides of the main portal, translation oil cylinders with two ends respectively connected to the top of the main portal and the top of the auxiliary portals, adjustable supporting screw rods with two ends respectively connected to the auxiliary portals and the side forms, and side form oil cylinders with two ends respectively connected to the auxiliary portals and the side forms.
Further, in the preferred embodiment of the present invention, the connection between the middle top mold, the side top mold and the side mold is hinged.
Further, in the preferred embodiment of the present invention, pulleys are disposed on the lift cylinder and the translation cylinder.
Further, in the preferred embodiment of the present invention, the lower deck beam is hinged to the multi-combination top module.
A construction method of a construction device of a variable cross-section tunnel comprises the following steps:
step S1: removing the adjustable supporting screw rod and the side die oil cylinder; disassembling the multi-combination top module and the side module to enable the side module to be suspended on the inverted arch filling surface; the height of the second lining trolley is reduced by using a lifting oil cylinder;
step S2: dismantling a longitudinal through beam and a side top die in the middle and a small upright post support;
step S3: installing a middle top die and a partially dismantled longitudinal through beam; closing the side top die by using a translation oil cylinder; the angle of the side top die is adjusted and rotated by using the rotary oil cylinder, so that the middle top die is connected with the side top die;
step S4: removing the auxiliary door frame;
step S5: installing a side die and connecting the side die with the side top die;
step S6: and an adjustable supporting screw rod and a side die oil cylinder are arranged.
Further, in a preferred embodiment of the present invention, after the step S6, the method further includes the following steps:
step S7: repeating step S1;
step S8: dismantling a middle top die, a middle longitudinal through beam, a lifting oil cylinder connected to a lower-layer platform beam and a middle upright post;
step S9: closing the side top die by using a translation oil cylinder; the angle of the side top die is adjusted and rotated by using the rotary oil cylinder, so that the two side top dies are connected;
step S10: repeating the step S5, and replacing the hinge lug seat plate of the door frame;
step S11: step S6 is repeated.
A construction method of a construction device of a variable cross-section tunnel comprises the following steps:
step S1: removing the adjustable supporting screw rod and the side die oil cylinder; disassembling the multi-combination top module and the side module to enable the side module to be suspended on the inverted arch filling surface; the height of the second lining trolley is reduced by using a lifting oil cylinder;
step S2: dismantling a middle top die, a middle longitudinal through beam, a lifting oil cylinder connected to a lower-layer platform beam and a middle upright post;
step S3: closing the side top die by using a translation oil cylinder; the angle of the side top die is adjusted and rotated by using the rotary oil cylinder, so that the two side top dies are connected;
step S4: installing a side die, connecting the side die with the side top die, and replacing a portal hinge lug seat plate;
step S5: and an adjustable supporting screw rod and a side die oil cylinder are arranged.
Compared with the prior art, the utility model discloses variable cross section tunnel's construction equipment and the construction method of accomplishing's beneficial effect is:
(1) the construction device for the variable cross-section tunnel is applied to the novel two-lining trolley, so that the novel two-lining trolley can be flexibly adjusted according to different section forms, the contour line of the novel two-lining trolley is ensured to be matched with the design contour line, the construction quality of the variable cross-section tunnel with the two-lining construction quality is ensured, the utilization rate of the novel two-lining trolley is improved, the resource waste is avoided, the construction cost is reduced, and the construction time is shortened;
(2) the process conversion steps are few, the operation is simple, and the variable cross-section conversion time is shortened; the novel two-lining trolley using the construction device of the variable cross-section tunnel is stable in overall structure, safe and reliable in whole process conversion process, and construction safety is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a variable cross-section tunnel construction device and a tunnel according to embodiment 1 of the present invention;
fig. 2 is another schematic structural diagram of a construction device of a variable cross-section tunnel and the tunnel according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a template system according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of an upper gantry system and a gantry system according to embodiment 1 of the present invention;
fig. 5 is a schematic diagram of step S1 in embodiment 2 of the present invention;
fig. 6 is a schematic diagram of step S2 in embodiment 2 of the present invention;
fig. 7 is a schematic diagram of step S3 in embodiment 2 of the present invention;
fig. 8 is a schematic diagram of step S4 in embodiment 2 of the present invention;
fig. 9 is a schematic diagram of step S5 in embodiment 2 of the present invention;
fig. 10 is a schematic view of step S6 in embodiment 2 of the present invention;
fig. 11 is a schematic diagram of step S1 in embodiment 2 of the present invention;
fig. 12 is a schematic view of step S2 in embodiment 2 of the present invention;
fig. 13 is a schematic view of step S3 in embodiment 2 of the present invention;
fig. 14 is a schematic view of step S4 in embodiment 2 of the present invention;
fig. 15 is a schematic diagram of step S5 in embodiment 2 of the present invention.
Icon: 110-a template system; 120-upper gantry system; 130-a gantry system; 150-tunnel vault; 160-inverted arch filling surface; 111-multiple combined top die set; 112-side forms; 113-middle top mold; 114-side top die; 115-edge top die; 121-a beam set; 122-small upright post support; 123-longitudinal through beam; 124-a lifting oil cylinder; 125-rotary oil cylinder, 126-middle upright post; 1211-upper deck beam; 1212-lower deck beam; 1221-upper section; 1222-lower section; 131-a main gantry; 132-sub-portal; 133-a translation cylinder; 134-an adjustable support screw; 135-side die oil cylinder; 136-gantry hinge lug seat plate.
Detailed Description
Example 1
Referring to fig. 1 and 2, the present embodiment provides a construction apparatus for a variable cross-section tunnel, which includes a formwork system 110, an upper gantry system 120, and a gantry system 130. The formwork system 110 is removably attached to the tunnel vault 150. The upper gantry system 120 is coupled to the template system 110 and the gantry system 130 is coupled to the underside of the upper gantry system 120.
Referring to fig. 3, the template system 110 includes a multi-combination top mold 111 and a side mold 112. The multi-combined top die set 111 is abutted against the tunnel vault 150, and the side dies 112 are symmetrically arranged on two sides of the multi-combined top die set 111. The multi-combination top die set 111 includes a middle top die 113, side top dies 114 and side top dies 115 sequentially disposed at both sides of the middle top die 113. The connections between the middle top form 113, the side top forms 114, the side top forms 115 and the side forms 112 are all hinged. In this embodiment, the specification of the middle top die 113 is 2117mm (circumferential direction) × 2000mm (longitudinal direction) die plates, and the number is 1; the specification of the side top die 114 is 2324mm (circumferential) x 2000mm (longitudinal) die plates, and the number is 2; the size of the side top die 115 is 1647mm (annular) x 2000mm (longitudinal) x 3 flange disconnection panels which are connected in number of 2, the flange disconnection parts are connected through connecting plates, the flanges are disconnected with the panels and integrally connected, and bolts are loosened to adjust the outline of the trolley to be matched with the outline of the tunnel when needed. The specification of the multi-combination top die set 111 is used to adapt to the change among the sections 17.6m, 13.6m and 11.8m, and in other embodiments, the specification of the middle top die 113, the side top die 114 and the side top die 115 may be of other sizes, so long as the technical effect of changing the sections can be achieved, which is within the protection scope of the present embodiment.
Referring to fig. 4, the upper gantry system 120 includes a set of upper and lower gantry beams 1211 and 1212, a small column support 122, a longitudinal through beam 123, a lift cylinder 124, a rotation cylinder 125, and a center column 126. The upper stage beams 1211 and the lower stage beams 1212 are disposed in parallel in a direction perpendicular to the extending direction of the tunnel and are extendable and retractable in the extending direction. The lower deck beams 1212 are hinged to the multi-gang top module 111. The beam sets 121 are multiple sets and are arranged at intervals along the extending direction of the tunnel. The small upright supports 122 extend through the deck beam assembly 121 and include an upper link 1221 disposed above the upper deck beam 1211 and a lower link 1222 disposed below the upper deck beam 1211. Wherein, upper segment 1221 is detachable, and lower segment 1222 is fixed. The longitudinal through beams 123 are vertically sandwiched between the upper stage beams 1211 and the lower stage beams 1212 at intervals. The four lift cylinders 124 are arranged at two ends of two longitudinal through beams 123 at two ends of the platform beam group 121, and the rest lift cylinders are arranged in the middle of the lower platform beam 1212. The two ends of the rotary cylinder 125 are respectively connected to the upper stage beam 1211 and the template system 110. Two ends of the middle upright post 126 are respectively connected to the upper deck beam and the middle top die. The lift cylinder 124 is slidably connected to the gantry system 130, and in this embodiment, a pulley is disposed thereon to facilitate movement of the lift cylinder 124.
With continued reference to fig. 4, the gantry system 130 is disposed below the upper gantry system 120. The gantry system 130 includes a main gantry 131, a sub-gantry 132, a translation cylinder 133, an adjustable support screw 134, and a sideform cylinder 135. The sub-gantries 132 are disposed at both sides of the main gantry 131, and both ends of the translation cylinder 133 are connected to the top of the main gantry 131 and the top of the sub-gantries 132, respectively. Two ends of the adjustable supporting screw 134 are respectively connected to the sub-gantry 132 and the side forms 112. The side mold cylinder 135 is connected at both ends to the sub-mast 132 and the side mold 112, respectively. The translation cylinder 133 is provided with a pulley. The main gantry 131 and the sub-gantry 132 are connected by a gantry hinge lug plate 136.
Example 2
Referring to fig. 5 to 10, the present embodiment provides a construction method of a construction apparatus for a variable cross-section tunnel, including but not limited to a transition from a 17.6m cross-section to a 13.6m cross-section, which includes the following steps:
step S1, please refer to fig. 1 and 5: removing the adjustable supporting screw rod 134 and the side die oil cylinder 135; disassembling the multi-combined top die set 111 and the side die 112 to enable the side die 112 to be suspended on the inverted arch filling surface 160; the height of the second lining trolley is reduced by using the lifting oil cylinder 124;
step S2, please refer to fig. 5 and 6: removing the middle longitudinal through beam 123, the side top die 114 and the small upright post supports 122;
step S3, please refer to fig. 6 and 7: installing a middle top form 113 and a partially dismantled longitudinal through beam 123; the edge top die 115 is closed by using the translation oil cylinder 133; the angle of the side top die 115 is adjusted and rotated by using the rotating oil cylinder 125, so that the middle top die 113 is connected with the side top die 115;
step S4, please refer to fig. 7 and 8: the sub-portal 132 is dismantled;
step S5, please refer to fig. 8 and 9: installing a side form 112 and connecting the side form 112 with a side top form 115;
step S6, please refer to fig. 9 and 10: an adjustable support screw 134 and a sideform cylinder 135 are installed.
Example 3
The embodiment provides a construction method of a construction device of a variable cross-section tunnel, including but not limited to the conversion from a 13.6m cross section to a 11.8m cross section, which comprises the following steps:
step S1, please refer to fig. 10 and 11: removing the adjustable supporting screw rod 134 and the side die oil cylinder 135; disassembling the multi-combined top die set 111 and the side die 112 to enable the side die 112 to be suspended on the inverted arch filling surface 160; the height of the second lining trolley is reduced by using the lifting oil cylinder 124;
step S2, please refer to fig. 11 and 12: dismantling the middle top die 113, the middle longitudinal through beam 123, the lifting cylinder 124 connected to the lower deck beam 1212 and the middle upright column 126;
step S3, please refer to fig. 12 and 13: the edge top die 115 is closed by using the translation oil cylinder 133; the angle of the side top die 115 is adjusted and rotated by using the rotating oil cylinder 125, so that the two side top dies 115 are connected;
step S4, please refer to fig. 13 and 14: installing the side forms 112, connecting the side forms 112 with the side top forms 115, and replacing the portal hinge lug seat plates 136;
step S5, please refer to fig. 14 and 15: an adjustable support screw 134 and a sideform cylinder 135 are installed.
Example 4
The present embodiment provides a method for constructing a variable cross-section tunnel construction device, including but not limited to the transition from 7.6m cross-section to 13.6m cross-section, and the transition from 13.6m cross-section to 11.8m cross-section, which is different from the method for constructing a variable cross-section tunnel construction device provided in embodiment 1 in that the steps of embodiment 2 are performed after the steps of embodiment 1 are completed.
To sum up, the utility model provides a construction device and a construction method of a variable cross-section tunnel, which applies the construction device of the variable cross-section tunnel to a novel two-lining trolley, so that the novel two-lining trolley can be flexibly adjusted according to different section forms, the contour line of the novel two-lining trolley is ensured to be matched with the design contour line, the construction quality of the variable cross-section tunnel with two-lining construction quality is ensured, the utilization rate of the novel two-lining trolley is improved, the resource waste is avoided, the construction cost is reduced, and the construction time is shortened; the process conversion steps are few, the operation is simple, and the variable cross-section conversion time is shortened; the novel two-lining trolley using the construction device of the variable cross-section tunnel is stable in overall structure, safe and reliable in whole process conversion process, and construction safety is guaranteed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A construction equipment of variable cross section tunnel, its characterized in that, it includes:
the template system comprises a multi-combination top module detachably connected with the vault of the tunnel and side molds symmetrically arranged on two sides of the multi-combination top module; the multi-combination top die set comprises a middle top die, and a side top die and an edge top die which are sequentially arranged on two sides of the middle top die;
the upper rack system is connected to the template system and comprises a platform beam group consisting of an upper platform beam and a lower platform beam which are arranged in parallel and perpendicular to the extending direction of the tunnel, a small upright post support penetrating through the platform beam group and connected to the multi-combination top module group, a middle upright post, a longitudinal through beam, a lifting oil cylinder and a rotating oil cylinder, wherein the two ends of the middle upright post are respectively connected to the upper platform beam and the middle top module, the longitudinal through beam is vertically clamped between the upper platform beam and the lower platform beam and is arranged at intervals, the lifting oil cylinder and the rotating oil cylinder are respectively connected with the upper platform beam and the template system; the platform beam groups are in multiple groups and are arranged at intervals along the extending direction of the tunnel; the upper layer platform beam and the lower layer platform beam can stretch along the extension direction; the small upright post support comprises an upper section arranged above the upper-layer platform beam and a lower section arranged below the upper-layer platform beam, the upper section is detachable, and the lower section is fixed; the two ends of the two longitudinal through beams arranged at the two ends of the platform beam group are provided with the lifting oil cylinders, and the middle part of the lower layer platform beam is provided with the lifting oil cylinder;
the portal system is arranged below the upper rack system and comprises a main portal, auxiliary portals arranged on two sides of the main portal, and side die oil cylinders, wherein two ends of the auxiliary portals are connected to the top of the main portal and the top of the auxiliary portal, and two ends of the auxiliary portals are connected to the auxiliary portals and the adjustable supporting screw rods of the side dies respectively, and two ends of the auxiliary portals and the side dies are connected to the auxiliary portals and the side dies respectively.
2. The construction device of the variable cross-section tunnel according to claim 1, wherein the middle top formwork, the side top formwork and the side formwork are hinged to each other.
3. The construction device of a variable cross-section tunnel according to claim 1, wherein pulleys are provided on the lift cylinder and the translation cylinder.
4. The apparatus for constructing a variable cross-section tunnel according to claim 1, wherein the lower deck beams are hinged to the multi-combination top module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920492000.6U CN209908521U (en) | 2019-04-12 | 2019-04-12 | Construction device for variable cross-section tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920492000.6U CN209908521U (en) | 2019-04-12 | 2019-04-12 | Construction device for variable cross-section tunnel |
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| CN209908521U true CN209908521U (en) | 2020-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056374A (en) * | 2019-04-12 | 2019-07-26 | 中铁三局集团有限公司 | A kind of constructing device and construction method in variable cross-section tunnel |
| WO2024016300A1 (en) * | 2022-07-22 | 2024-01-25 | 中铁上海工程局集团第三工程有限公司 | Mobile scaffolding suitable for construction of variable-cross-section tunnel canopy |
-
2019
- 2019-04-12 CN CN201920492000.6U patent/CN209908521U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056374A (en) * | 2019-04-12 | 2019-07-26 | 中铁三局集团有限公司 | A kind of constructing device and construction method in variable cross-section tunnel |
| CN110056374B (en) * | 2019-04-12 | 2024-06-11 | 中铁三局集团有限公司 | Construction device and construction method for variable-section tunnel |
| WO2024016300A1 (en) * | 2022-07-22 | 2024-01-25 | 中铁上海工程局集团第三工程有限公司 | Mobile scaffolding suitable for construction of variable-cross-section tunnel canopy |
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