CN109826653B - Synchronous construction formwork trolley and construction method thereof - Google Patents
Synchronous construction formwork trolley and construction method thereof Download PDFInfo
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- CN109826653B CN109826653B CN201910234500.4A CN201910234500A CN109826653B CN 109826653 B CN109826653 B CN 109826653B CN 201910234500 A CN201910234500 A CN 201910234500A CN 109826653 B CN109826653 B CN 109826653B
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Abstract
The invention discloses a synchronous construction formwork trolley and a construction method thereof, wherein the front section of the formwork trolley is positioned in a lining reinforcing steel bar construction area, the middle section of the formwork trolley is positioned in a lining concrete construction area, and the rear section of the formwork trolley is positioned in a constructed lining area. The invention is used for tunnel concrete lining full circle pouring construction, the service vehicle can pass through the interior, the synchronous construction of full circle cast-in-place two linings and duct piece one lining can be realized, the tunnel construction efficiency is greatly improved, the construction period is saved, the influence of the vehicle on the concrete in the template area is avoided, the concrete construction quality is ensured, the template trolley integrally moves one construction section at a time, and the step changing efficiency is high.
Description
Technical Field
The invention belongs to the technical field of tunnel lining construction, and particularly relates to a synchronous construction formwork trolley and a construction method thereof.
Background
The tunnel secondary lining construction needing one-time pouring and forming in a whole circle is generally carried out by selecting a needle beam type or a penetrating type template trolley, service vehicles cannot pass through the interior of the traditional template trolley, and when the shield machine tunnels in front of the tunnel, the rear part of the shield machine needs to pass through the service vehicles, transport muck, materials and the like, so the traditional template trolley can be put into construction after the tunnel is communicated, and the total construction period is long. In addition, after the tunnel in one section of tunnel is communicated, 2 traditional formwork trolleys can be generally thrown into the tunnel for construction, the difficulty of a working face is increased additionally, and the transportation of materials and personnel is difficult, so that the construction efficiency of the second lining is limited, and the construction period is long.
Disclosure of Invention
The invention aims to provide a synchronous construction formwork trolley and a construction method thereof, which are used for tunnel concrete lining full-circle pouring construction, can pass through a service trolley inside, can realize the synchronous construction of a full-circle cast-in-place secondary lining and a duct piece primary lining, greatly improve the tunnel construction efficiency, save the construction period, avoid the influence of the pass-through trolley on the concrete in a formwork area, ensure the concrete construction quality, and have high step-changing efficiency because the formwork trolley integrally moves one construction section at a time.
The technical scheme adopted by the invention is as follows:
a synchronous construction formwork trolley is integrally divided into a front section, a middle section and a rear section, wherein the front section is positioned in a lining steel bar construction area, the middle section is positioned in a lining concrete construction area, and the rear section is positioned in a constructed lining area and comprises a steel frame system, a formwork system and a trolley passing system;
the steel frame system is longitudinally arranged along the tunnel and comprises a steel frame, a middle supporting shoe, a frame lifting oil cylinder and a travelling wheel, wherein the middle supporting shoe is supported in the middle of the steel frame and is lifted through the supporting shoe lifting oil cylinder;
the template system is positioned in the middle section of the steel frame system, is integrally sleeved on the periphery of the steel frame system and the vehicle passing system and is separated from the steel frame system and the vehicle passing system, and comprises a top mold, a side mold, a bottom mold, a front end top support and a rear end top support, wherein the top mold, the side mold and the bottom mold are connected through a hinged joint, a template oil cylinder and a template screw rod, and the template system can support the mold and demold; in the formwork supporting state, the formwork system extends out to form a whole-ring formwork, and the whole formwork is supported by the front end jacking support and the rear end jacking support and is separated from the steel frame system and the traffic system; in a demoulding state, the template system is withdrawn and separated from the inner wall of the lining, and the template system is temporarily connected with the steel frame system and integrally moves along with the steel frame system;
the general car system is connected in steelframe system lower part, including passageway platform, platform lift cylinder and the taut lead screw of platform, and passageway platform upper surface is provided with the current track of confession service cart, and platform lift cylinder and the taut lead screw of platform are installed in passageway platform upper portion both sides, and when platform lift cylinder stretches out and draws back, the taut lead screw of platform loosens, and when platform lift cylinder stretched out and draws back to target in place, the taut lead screw of platform was taut fixed.
Further, the steel frame is formed by connecting 2 longitudinal steel beams or steel trusses parallel along the tunnel direction and a plurality of top transverse steel beams or steel trusses, the cross section is in a shape like a Chinese character 'men', the steel frame is divided into a front section, a middle section and a rear section, each section is connected through a node capable of being bent horizontally, when the tunnel is a straight line, the whole steel frame is in a straight line, and when the tunnel is a curve, the connecting nodes between the adjacent sections are adjusted, so that the whole steel frame can be bent along the tunnel.
Furthermore, the frame lifting oil cylinder and the shoe supporting lifting oil cylinder are both mechanical self-locking oil cylinders.
Furthermore, the middle supporting shoe is U-shaped as a whole.
Furthermore, the upper end of the side die is hinged to the bottom end of the top die and stretches out and draws back through the template oil cylinder, when the side die rotates around the bottom edge of the top die to a die supporting state, the side die is connected with the template screw rod for fixing, the bottom die is connected to the lower portion of the top die through the template oil cylinder and stretches out and draws back through the template oil cylinder, and when the vertical relative distance between the bottom die and the top die is adjusted to the die supporting state, the bottom die and the.
Furthermore, the side mould has 2 groups, and the symmetry is connected in top mould bottom.
Furthermore, the channel platform has 2 sections, one section is located the reinforcing bar construction region, and one section is located the concrete construction region, and every section comprises the girder steel or the truss that intersect vertically and horizontally.
Furthermore, the cross section of the traffic system is U-shaped.
The construction method of the synchronous construction formwork trolley comprises the following steps:
1) finishing the binding of the two linings of the steel bars in the front section area of the template trolley, finishing the casting of the two linings of the cast-in-place concrete in the middle section area of the template trolley and curing to have demolding conditions;
2) releasing the platform tensioning screw rod, withdrawing the platform lifting oil cylinder to lift the vehicle passing system, and withdrawing the supporting shoe lifting oil cylinder to lift the middle supporting shoe;
3) all the template screw rods are released, and the side mold and the bottom mold are withdrawn in sequence; withdrawing the front end jacking support and the rear end jacking support of the template system, and temporarily connecting and fixing the template system and the steel frame system;
4) retracting the framework lifting oil cylinder, descending the steel frame system, moving the whole template trolley by a construction section through the front end travelling wheels and the rear end travelling wheels, and not passing a service trolley inside in the whole moving process of the template trolley;
5) after the step change of the template trolley travelling crane is finished, the frame lifting oil cylinder extends out, the steel frame system rises to a preset height, the platform lifting oil cylinder extends out, the template trolley system falls down, the platform tensioning screw rod is connected, the middle supporting shoe falls down, and the service trolley in the template trolley is recovered;
6) the front end jacking support and the rear end jacking support of the template system extend out, a top mold is adjusted to a preset position, a template oil cylinder extends out to adjust a bottom mold to the preset position, the template oil cylinder extends out to rotate a side mold to the preset position, a template screw rod is connected to fix the top mold, the side mold and the bottom mold into a whole, the template system is supported by the front end jacking support and the rear end jacking support, and the template system is separated from the steel frame system and the traffic system;
7) pouring second lining concrete in the middle section area of the template trolley, and binding second lining reinforcing steel bars in the front section area of the template trolley;
8) and (5) repeating the steps 1) to 7) until the construction is finished.
The invention has the following beneficial effects:
this template trolley contains logical car system, when can realizing two lining full circles pouring construction, inside current service cart does not hinder the transportation of production goods and materials and dregs to realize that template trolley puts into use immediately before the tunnel hole leads to, and a section can drop into many template trolleys simultaneously, improves two lining efficiency of construction by a wide margin, practices thrift construction period.
When the interior of the template trolley is communicated, the template system is integrally sleeved on the periphery of the steel frame system and the periphery of the vehicle communication system and separated from the steel frame system and the vehicle communication system. The traffic load of the service vehicle is always transmitted to the traffic system, then transmitted to the steel frame system and then transmitted to the duct piece and the constructed two-lining structure, and the template system only bears the concrete load all the time and directly transmits the concrete load to the duct piece and the constructed two-lining structure, so that the influence of traffic on the concrete in the template area is avoided, and the concrete construction quality is guaranteed.
When the template trolley is driven to change steps, the template system is separated from the inner wall of the second lining and is temporarily connected with the steel frame system, the template trolley integrally moves forward along with the steel frame system, the template trolley integrally moves one construction section at a time, and the step changing efficiency is high.
Drawings
The invention is further explained below with reference to the drawings and examples.
FIG. 1 is a side general schematic view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
FIG. 3 is a schematic side view of an embodiment of the present invention.
FIG. 4 is a side view and a cross-sectional view of a steel frame system according to an embodiment of the present invention.
FIG. 5 is a side and cross-sectional schematic view of a template system in accordance with an embodiment of the present invention.
Fig. 6 is a side and cross-sectional schematic view of a traffic system in an embodiment of the invention.
In the figure: 1-one lining pipe piece, 2-two linings, 2.1-two lining steel bars, 2.2-two lining cast-in-place concrete, 3-template trolley, 3.1-steel frame system, 3.1.1-steel frame, 3.1.2-middle supporting shoes, 3.1.3-frame lifting oil cylinders, 3.1.4-travelling wheels, 3.2-template system, 3.2.1-top mould, 3.2.2-side mould, 3.2.3-bottom mould, 3.2.4-front end supporting seat, 3.2.5-rear end supporting seat, 3.2.6-template oil cylinder, 3.2.7-template screw rod, 3.3-go-cart system, 3.3.1-channel platform, 3.3.2-platform lifting oil cylinder, 3.3.3-platform tensioning screw rod, 4-trolley track and 5-service trolley.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2 and 3, the form trolley 3 is located inside a lining segment 1 of a tunnel, and is integrally divided into a front section, a middle section and a rear section, the front section is located in a lining reinforcing steel bar 2.1 construction area, the middle section is located in a lining cast-in-place concrete 2.2 construction area, the rear section is located in a constructed lining 2 area, and the form trolley 3 comprises a steel frame system 3.1, a form system 3.2 and a traffic system 3.3.
As shown in fig. 3 and 4, the steel frame system 3.1 is arranged longitudinally along the tunnel and is composed of a steel frame 3.1.1, a middle supporting shoe 3.1.2, a frame lift cylinder 3.1.3 and a traveling wheel 3.1.4, wherein 2 middle supporting shoes 3.1.2 are supported in the middle of the steel frame 3.1.1 and are close to two ends of the template system 3.2, the frame lift cylinders 3.1.3 are installed on two sides of the bottom of the front end and the rear end of the steel frame 3.1.1, the traveling wheel 3.1.4 is installed at the bottom of the frame lift cylinder 3.1.3, the steel frame system 3.1 realizes integral lifting through at least 4 frame lift cylinders 3.1.3 at the front end and the rear end, and realizes integral translation through at least 4 traveling wheels 3.1.4 at the front end and the rear end.
As shown in fig. 2 and 5, the template system 3.2 is located in the middle section of the steel frame system 3.1, is integrally sleeved on the periphery of the steel frame system 3.1 and the vehicle passing system 3.3, and is separated from the steel frame system 3.1 and the vehicle passing system 3.3, the template system 3.2 is composed of a top mold 3.2.1, a side mold 3.2.2, a bottom mold 3.2.3, a front end top support 3.2.4 and a rear end top support 3.2.5, the top mold 3.2.1, the side mold 3.2.2 and the bottom mold 3.2.3 are connected through a hinged joint, a template oil cylinder 3.2.6 and a template screw rod 3.2.7, so that the template system 3.2 supports molds and performs demolding; in the formwork supporting state, the formwork system 3.2 extends out to form a whole-ring formwork, and the whole formwork is supported by the front end support 3.2.4 and the rear end support 3.2.5 and separated from the steel frame system 3.1 and the traffic system 3.3; under the demoulding state, the template system 3.2 is retracted to be separated from the inner wall of the lining, and the template system 3.2 is temporarily connected with the steel frame system 3.1 and integrally moves along with the steel frame system 3.1.
As shown in fig. 2 and 6, the vehicle passing system 3.3 is connected to the lower part of the steel frame system 3.1 and consists of a channel platform 3.3.1, a platform lifting oil cylinder 3.3.2 and a platform tension screw rod 3.3.3, the platform lifting oil cylinder 3.3.2 and the platform tension screw rod 3.3.3 are installed on two sides of the upper part of the channel platform 3.3.1, and the cross section of the vehicle passing system 3.3 is in a U shape.
In a preferred embodiment of the present invention, as shown in fig. 4, the steel frame 3.1.1 is formed by connecting 2 longitudinal steel beams (or steel trusses) parallel to each other along the tunnel direction and a plurality of top transverse steel beams (or steel trusses), the cross section is in a shape of a "door", the steel frame 3.1.1 is divided into 3 sections including a front section, a middle section and a rear section, each section is connected by a horizontally bendable node, when the tunnel is a straight line, the steel frame 3.1.1 is integrally linear, and when the tunnel is a curved line, the connecting node between each section is adjusted to bend the steel frame 3.1.1 integrally along the curve of the tunnel.
In the preferred embodiment of the invention, as shown in fig. 4, the middle support shoe 3.1.2 is integrally U-shaped and is lifted by a mechanical self-locking cylinder.
In a preferred embodiment of the invention, as shown in fig. 4, the frame lift cylinders 3.1.3 are mechanical self-locking cylinders.
In the preferred embodiment of the invention, as shown in fig. 5, the upper end of the side die 3.2.2 is hinged with the bottom end of the top die 3.2.1, the side die 3.2.2 is telescopic through the template oil cylinder 3.2.6 and can rotate around the bottom edge of the top die 3.2.1, and when the side die rotates to a die supporting state, the side die is connected with the template screw rod 3.2.7 for fixation.
In the preferred embodiment of the invention, as shown in figure 5, there are 2 sets of side forms 3.2.2, symmetrically connected to the bottom end of the top form 3.2.1.
In the preferred embodiment of the invention, as shown in fig. 5, the bottom die 3.2.3 is connected to the lower part of the top die 3.2.1 through the template cylinder 3.2.6, the template cylinder 3.2.6 is used for stretching, the vertical relative distance between the bottom die 3.2.3 and the top die 3.2.1 is adjusted, and when the die is adjusted to the supporting state, the connecting template screw rod 3.2.7 is fixed.
In the preferred embodiment of the invention, as shown in fig. 6, the access platform 3.3.1 has 2 sections, one section is located in the construction area of the steel bar 2.1, and the other section is located in the construction area of the concrete 2.2, each section is composed of steel beams or trusses which are intersected vertically and horizontally, and the upper surface of the section is provided with a track for the service vehicle 5 to pass through.
In a preferred embodiment of the invention, as shown in fig. 6, the platform lift cylinders 3.3.2 are mechanical self-locking cylinders.
In the preferred embodiment of the present invention, as shown in fig. 6, when the platform lift cylinder 3.3.2 is extended, the platform tension screw 3.3.3 is loosened, and when the platform lift cylinder 3.3.2 is extended to the right position, the platform tension screw 3.3.3 is tightened and fixed.
The construction method of the formwork trolley 3 comprises the following steps:
1) before the template trolley 3 is driven to change steps, the platform lifting oil cylinder 3.3.2 is retracted to lift the general trolley system 3.3 and the middle supporting shoe 3.1.2 is lifted; all the template screw rods 3.2.7 of the template system 3.2 are removed, and the side molds 3.2.2 and the bottom molds 3.2.3 are sequentially withdrawn by withdrawing the template oil cylinders 3.2.6; withdrawing the front end jacking support 3.2.4 and the rear end jacking support 3.2.5 of the template system 3.2, temporarily connecting and fixing the template system 3.2 and the steel frame system 3.1, withdrawing the frame lifting oil cylinder 3.1.3, descending the steel frame system 3.1, and moving the whole template trolley 3 through the front end travelling wheels 3.1.4 to form a construction section; in the whole moving process of the template trolley 3, the service trolley 5 does not pass through the inside.
2) After the step change of the template trolley 3 is finished, the frame lifting oil cylinder 3.1.3 extends out, the steel frame system 3.1 rises to a preset height, the platform lifting oil cylinder 3.3.2 extends out, the trolley system 3.3 falls to the lower part, the platform tensioning screw rod 3.3.3 is connected, the middle part of the falling part supports the boots 3.1.2, and the passing service trolley 5 in the template trolley 3 is recovered. The top die 3.2.1 is adjusted to a preset position by extending out of the front end top support 3.2.4 and the rear end top support 3.2.5 of the template system 3.2, the bottom die 3.2.3 is adjusted to the preset position by extending out of the template cylinder 3.2.6, the tension screw rod between the top die 3.2.1 and the bottom die 3.2.3 is connected, the top die 3.2.1, the side die 3.2.2 and the bottom die 3.2.3 are fixed into a whole by extending out of the template cylinder 3.2.6 and rotating the side die 3.2.2 to the preset position, the tension screw rod between the top die 3.2.1, the side die 3.2.2 and the bottom die 3.2.3 is connected, the whole is supported by the front end top support 3.2.4 and the rear end top support 3.2.5, the front end top support is separated from the steel frame system 3.1 and the vehicle communication system 3.3, and then concrete 2.2 is poured.
As shown in fig. 1 to 6, the formwork trolley 3 is constructed as follows:
1) finishing the binding of the two-lining steel bar 2.2 in the front section area of the template trolley 3, finishing the pouring of the two-lining cast-in-place concrete 2.1 in the middle section area of the template trolley 3, and maintaining until the demolding condition is met;
2) relieving the platform from tensioning the screw rod 3.3.3, and lifting the general car system 3.3 and the middle supporting shoe 3.1.2 by withdrawing the platform lifting oil cylinder 3.3.2;
3) all the template screw rods 3.2.7 are removed, and the side molds 3.2.2 and the bottom molds 3.2.3 are withdrawn in sequence; retracting the front end jacking support 3.2.4 and the rear end jacking support 3.2.5 of the template system 3.2, and temporarily connecting and fixing the template system 3.2 and the steel frame system 3.1;
4) the steel frame system 3.1 descends, and the whole template trolley 3 moves a construction section through the front and rear walking wheels 3.1.4.
5) The steel frame system 3.1 rises to a preset height, the vehicle system 3.3 is driven to fall, the connecting platform tensions a screw rod 3.3.3, the middle part of the falling supports a boot 3.1.2, and the vehicle inside the template trolley 3 is recovered.
6) The top die 3.2.1 is adjusted to a preset position by extending out of the front end top support 3.2.4 and the rear end top support 3.2.5 of the template system 3.2, then the bottom die 3.2.3 is adjusted to the preset position, the side die 3.2.2 is rotated to the preset position, the template screw rod 3.2.7 is connected, the top die 3.2.1, the side die 3.2.2 and the bottom die 3.2.3 are fixed into a whole, and the whole is supported by the front end top support 3.2.4 and the rear end top support 3.2.5 and separated from the steel frame system 3.1 and the vehicle passing system 3.3;
7) and pouring the second lining concrete 2.1 in the middle section area of the template trolley 3, and binding the second lining reinforcing steel bar 2.2 in the front section area of the template trolley 3.
8) And (5) sequentially and circularly constructing the steps 1) to 7).
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a synchronous construction formwork trolley which characterized in that: the integral structure is divided into a front section, a middle section and a rear section 3, wherein the front section is positioned in a lining steel bar construction area, the middle section is positioned in a lining concrete construction area, and the rear section is positioned in a constructed lining area and comprises a steel frame system, a template system and a vehicle passing system;
the steel frame system is longitudinally arranged along the tunnel and comprises a steel frame, a middle supporting shoe, a frame lifting oil cylinder and a travelling wheel, wherein the middle supporting shoe is supported in the middle of the steel frame and is lifted through the supporting shoe lifting oil cylinder;
the template system is positioned in the middle section of the steel frame system, is integrally sleeved on the periphery of the steel frame system and the vehicle passing system and is separated from the steel frame system and the vehicle passing system, and comprises a top mold, a side mold, a bottom mold, a front end top support and a rear end top support, wherein the top mold, the side mold and the bottom mold are connected through a hinged joint, a template oil cylinder and a template screw rod, and the template system can support the mold and demold; in the formwork supporting state, the formwork system extends out to form a whole-ring formwork, and the whole formwork is supported by the front end jacking support and the rear end jacking support and is separated from the steel frame system and the traffic system; in a demoulding state, the template system is withdrawn and separated from the inner wall of the lining, and the template system is temporarily connected with the steel frame system and integrally moves along with the steel frame system;
the general car system is connected in steelframe system lower part, including passageway platform, platform lift cylinder and the taut lead screw of platform, and passageway platform upper surface is provided with the current track of confession service cart, and platform lift cylinder and the taut lead screw of platform are installed in passageway platform upper portion both sides, and when platform lift cylinder stretches out and draws back, the taut lead screw of platform loosens, and when platform lift cylinder stretched out and draws back to target in place, the taut lead screw of platform was taut fixed.
2. The synchronized construction form jumbo of claim 1, wherein: the steel framework is formed by connecting 2 longitudinal steel beams or steel trusses parallel along the tunnel direction and a plurality of transverse steel beams or steel trusses at the top, the cross section is in a shape like a Chinese character 'men', the steel framework is divided into front, middle and rear 3 sections, each section is connected through a node capable of being horizontally bent, when the tunnel is a straight line, the whole steel framework is a straight line, when the tunnel is a curve, the connecting nodes between the adjacent sections are adjusted, and the whole steel framework can be bent along the tunnel.
3. The synchronized construction form jumbo of claim 1, wherein: the frame lifting oil cylinder and the shoe supporting lifting oil cylinder are both mechanical self-locking oil cylinders.
4. The synchronized construction form jumbo of claim 1, wherein: the middle supporting boot is U-shaped as a whole.
5. The synchronized construction form jumbo of claim 1, wherein: the upper end of the side die is hinged with the bottom end of the top die and is telescopic through the template oil cylinder, the side die is fixed by connecting the template screw rod when rotating around the bottom edge of the top die to a die supporting state, the bottom die is connected to the lower portion of the top die through the template oil cylinder and is telescopic through the template oil cylinder, and the connecting template screw rod is fixed when the vertical relative distance between the bottom die and the top die is adjusted to the die supporting state.
6. The synchronized construction form jumbo of claim 5, wherein: the side mould has 2 groups, and the symmetry is connected in top mould bottom.
7. The synchronized construction form jumbo of claim 1, wherein: the channel platform has 2 sections, and one section is located the reinforcing bar construction region, and one section is located the concrete construction region, and every section comprises the girder steel or the truss that intersect vertically and horizontally.
8. The synchronized construction form jumbo of claim 1, wherein: the cross section of the traffic system is U-shaped.
9. A construction method of the synchronous construction formwork trolley according to any one of claims 1 to 8, wherein: comprises the steps of (a) carrying out,
1) finishing the binding of the two linings of the steel bars in the front section area of the template trolley, finishing the casting of the two linings of the cast-in-place concrete in the middle section area of the template trolley and curing to have demolding conditions;
2) releasing the platform tensioning screw rod, withdrawing the platform lifting oil cylinder to lift the vehicle passing system, and withdrawing the supporting shoe lifting oil cylinder to lift the middle supporting shoe;
3) all the template screw rods are released, and the side mold and the bottom mold are withdrawn in sequence; withdrawing the front end jacking support and the rear end jacking support of the template system, and temporarily connecting and fixing the template system and the steel frame system;
4) retracting the framework lifting oil cylinder, descending the steel frame system, moving the whole template trolley by a construction section through the front end travelling wheels and the rear end travelling wheels, and not passing a service trolley inside in the whole moving process of the template trolley;
5) after the step change of the template trolley travelling crane is finished, the frame lifting oil cylinder extends out, the steel frame system rises to a preset height, the platform lifting oil cylinder extends out, the template trolley system falls down, the platform tensioning screw rod is connected, the middle supporting shoe falls down, and the service trolley in the template trolley is recovered;
6) the front end jacking support and the rear end jacking support of the template system extend out, a top mold is adjusted to a preset position, a template oil cylinder extends out to adjust a bottom mold to the preset position, the template oil cylinder extends out to rotate a side mold to the preset position, a template screw rod is connected to fix the top mold, the side mold and the bottom mold into a whole, the template system is supported by the front end jacking support and the rear end jacking support, and the template system is separated from the steel frame system and the traffic system;
7) pouring second lining concrete in the middle section area of the template trolley, and binding second lining reinforcing steel bars in the front section area of the template trolley;
8) and (5) repeating the steps 1) to 7) until the construction is finished.
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| CN110130937B (en) * | 2019-06-06 | 2024-02-20 | 涪特智能装备（重庆）有限公司 | Tunnel construction trolley |
| CN112814702B (en) * | 2021-01-06 | 2022-06-07 | 中国铁建重工集团股份有限公司 | Shield constructs machine and synchronous translation mechanism of whole circular ware of section of jurisdiction thereof |
| WO2022193200A1 (en) * | 2021-03-18 | 2022-09-22 | 中建三局基础设施建设投资有限公司 | Rapid construction method for secondary lining of small-section tunnel |
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| CN101403305A (en) * | 2008-09-08 | 2009-04-08 | 中铁隧道集团有限公司 | Construction method for tunnel continuous mucking, lining and excavation synchronization |
| CN202417530U (en) * | 2012-01-17 | 2012-09-05 | 张新泉 | Bottom-positioned traversing synchronous tunnel lining trolley for continuous conveyor construction of tunnel |
| CN204754941U (en) * | 2015-06-17 | 2015-11-11 | 安徽奥发建筑制品有限公司 | All -hydraulic self -propelled tunnel lining platform truck |
| EP3112585A1 (en) * | 2015-07-01 | 2017-01-04 | Great Ocean Constructions Ltd | A tunneling machinery and a method of providing a concrete tunnel base |
| CN105401525A (en) * | 2015-10-23 | 2016-03-16 | 中铁六局集团有限公司 | Cast-in-situ construction method of beam flange plates of acoustic barriers through movable mold base vehicles |
| CN206874289U (en) * | 2017-05-23 | 2018-01-12 | 中交第一公路工程局有限公司 | Just lining construction hydraulic template trolley |
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|---|---|
| CN109826653A (en) | 2019-05-31 |
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