CN115875053A - Split shell-abandoning combined novel template trolley and construction method thereof - Google Patents

Abstract

The invention relates to a split shell-abandoning combined novel template trolley and a construction method thereof, and the technical scheme is as follows: the method comprises the following steps: the device comprises a working trolley for construction operation, a movable trolley for assisting the working trolley in construction and movement, and a plurality of steel rails for guiding the movable trolley; the steel track is laid on the road surface; the movable trolley is movably arranged on the steel track; the working trolley is movably arranged on the movable trolley; a pouring mechanism for buckling and lining operation and a main supporting mechanism capable of supporting the working trolley after the buckling and lining operation are finished are arranged on the working trolley; the movable trolley is provided with a lateral supporting mechanism, a travelling mechanism capable of driving the movable trolley to move on the steel track, a lifting mechanism for adjusting the working height of the movable trolley and an auxiliary supporting mechanism for enhancing the supporting stability of the movable trolley; the lateral supporting mechanism is abutted against the working trolley; this application has that the construction speed is fast and the effectual advantage of structure shaping.

Description

Split shell-abandoning combined novel template trolley and construction method thereof

Technical Field

The invention relates to the field of underground engineering construction equipment, in particular to a novel split shell-abandoning combined type formwork trolley and a construction method thereof.

Background

The tunnel pile method station lining arch buckling construction generally adopts a form of a formwork support or a form of a formwork trolley, the formwork support is used for constructing an arch buckling lining structure in a combined mode of erecting a full framing scaffold, battens and a formwork, and the formwork support can be dismantled only after the arch buckling lining reaches the design strength; in addition, when the arch buckling lining construction is carried out in the form of the template support, the excavation construction of the front face is influenced, so that the site excavation and the lining construction can only be carried out in a single process, the site construction progress is seriously influenced, and the construction organization difficulty is high; in the construction process of the formwork support, repeated transportation and circular construction are needed, the material management difficulty is high, the loss is high, and the material cost input is increased.

The template trolley is generally integral, needs to be combined with an operation rack for construction, has high requirement on the length of a temporary support for dismantling a support, and is suitable for a tunnel with better geological conditions; to geology relatively poor, the tunnel lining construction of single section interim primary structure demolition short can't use fixed operation rack, can only carry out waterproof board, reinforcing bar system ann's operation through setting up the scaffold, because the restriction of operating condition, whenever carry out one section lining and need ann tear open scaffold operation platform, the efficiency of construction is extremely low.

In addition, the construction of the formwork support is generally an assembled formwork, the joints are easy to have slab staggering, and the apparent quality of the structure is poor; the formwork support is erected and dismantled, the construction efficiency is reduced, the construction load of the buckling arch lining concrete pouring is large, the formwork support belongs to a project with large risk exceeding a certain scale, and the risk of instability and overturning exists in the concrete pouring construction process, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a split shell-abandoning combined novel formwork trolley and a construction method thereof, which are used for solving the problems of poor construction quality, high temporary support dismantling risk, low construction efficiency and the like of a formwork support form in the prior art and have the advantages of low cost, reliable structure, convenience in operation, free movement, high lining speed and good structure forming effect.

The first technical purpose of the invention is realized by the following technical scheme: the novel combined formwork trolley of the split abandoned shell comprises: the device comprises a working trolley for arch buckling construction operation, a movable trolley for assisting the working trolley in construction and movement, and a plurality of steel rails for guiding the movable trolley; the steel rails are all laid on the road surface; the movable trolley is movably arranged on the steel track; the working trolley is movably arranged at the upper end of the movable trolley; the working trolley is provided with a pouring mechanism for buckling arch lining operation and a main supporting mechanism capable of supporting the working trolley after the buckling arch lining operation is finished; the movable trolley is provided with a lateral supporting mechanism, a travelling mechanism capable of driving the movable trolley to move on the steel track, a lifting mechanism for adjusting the working height of the movable trolley and an auxiliary supporting mechanism for enhancing the supporting stability of the movable trolley; the lateral supporting mechanism is abutted against the working trolley.

In one embodiment, the lateral support mechanism includes: the supporting block is used for supporting the working trolley, and the connecting pipe is used for controlling the working position of the supporting block; one end of the connecting pipe is movably arranged on the movable trolley, and the other end of the connecting pipe is connected with the supporting block; the supporting block is abutted to the working trolley.

In one embodiment, the above-mentioned technical solution includes: the device comprises a stainless steel panel correspondingly matched with the buckle arched girder body, a first bracket for supporting the stainless steel panel and a plurality of auxiliary brackets correspondingly matched with the first bracket to support the stainless steel panel; one end of the first support is movably arranged at the upper end of the movable trolley, and the other end of the first support is movably connected with the auxiliary support; the stainless steel panel is arranged at the upper end of the first bracket; the pouring mechanism is arranged on the first support; the main supporting mechanism is installed on the auxiliary support.

In one embodiment of the technical scheme, a plurality of operation windows for workers to perform arch buckling and lining operations are formed in the stainless steel panel; and a walking device which can be used for the first bracket to move on the mobile trolley is arranged at the lower end of the first bracket.

In one embodiment, the main supporting mechanism includes: at least one supporting steel pipe which can support the working trolley after the buckling and lining operation is finished; the support steel pipe is rotatably arranged on the auxiliary bracket.

In one embodiment, the pouring mechanism includes: the device comprises a material conveying device for outputting concrete and an electric vibrator for closely combining the poured concrete; the feeding device and the electric vibrator are both arranged on the first support.

In one embodiment, the mobile cart includes: a second bracket; reinforcing ribs for enhancing the structural strength are arranged on two sides of the second bracket; the connecting pipe is rotatably arranged on the second bracket; the first bracket is movably arranged at the upper end of the second bracket; the second bracket is movably arranged on the steel track; the lifting mechanism and the auxiliary supporting mechanism are arranged on the second bracket; the traveling mechanism is installed at the lower end of the second support, and the driving end of the traveling mechanism is movably arranged on the steel rail.

In one embodiment of the above technical solution, the second bracket is a door-shaped framework structure; and the second bracket is also provided with a ladder stand on which an operator can climb the first bracket to perform construction operation.

In one embodiment, the auxiliary supporting mechanism includes: the plurality of vertical supporting shoes are used for assisting the second support to resist vertical pressure during working, and the plurality of oblique supporting shoes are used for enhancing the stability of the second support; one end of the vertical supporting shoe is rotatably arranged on the second bracket, and the other end of the vertical supporting shoe is abutted to the steel rail; one end of the inclined supporting shoe is rotatably arranged on the second support, and the other end of the inclined supporting shoe is abutted to the road surface.

The second technical purpose of the invention is realized by the following technical scheme: a construction method applied to a split shell-abandoning combined novel template trolley comprises the following steps:

s01: manually breaking a first section of pilot tunnel, establishing a primary support in the first section of pilot tunnel after the breaking is finished, and paving a steel track on the road surface;

s02: erecting a mobile trolley on the steel track to enable the mobile trolley to finish preliminary supporting and positioning on the steel track, and carrying out preparation work such as waterproof laying of a first section of pilot tunnel, manufacturing and installing of reinforcing steel bars and the like on the mobile trolley;

s03: erecting a working trolley on the movable trolley, and adjusting a lifting mechanism of the movable trolley after the erection is finished so that a stainless steel panel of the working trolley is matched with the top of the first section of the pilot tunnel and positioning is finished;

s04: after the stainless steel panel is positioned, the lateral supporting mechanism is adjusted to enable the lateral supporting mechanism to support the auxiliary support to be tightly propped against the side longitudinal beam on one side of the hole, and the integral positioning of the working trolley and the moving trolley is completed;

s05: the working trolley is fixed at the lower end of the first section of pilot tunnel through a stainless steel panel and a main supporting mechanism, arch buckling and lining are carried out on the first section of pilot tunnel through a pouring mechanism, the lining is carried out simultaneously, the second section of pilot tunnel is manually broken, and a primary support and a steel track are built;

s06: after the lining is finished, the working trolley is fixed at the lower end of the buckling arch of the first section of pilot tunnel, the lateral supporting mechanism is stored and separated from the working trolley, the movable trolley moves into the second section of pilot tunnel after the breaking is finished along the steel track, and preparatory work such as waterproof laying of the second section of pilot tunnel, manufacturing and installation of reinforcing steel bars and the like is carried out on the movable trolley;

s07: after the buckling strength of the first section of pilot hole meets the requirement, the working trolley is moved to the movable trolley of the second section of pilot hole, and after the movement is finished, the lifting mechanism of the movable trolley is adjusted, so that the stainless steel panel of the working trolley is matched with the top of the second section of pilot hole and the positioning is finished;

s08: and after S07, returning to S04 and circulating the steps until the construction of the tunnel inner buckling arch lining is completed.

In conclusion, the invention has the following beneficial effects:

1. in the application, the buckling and arching lining of the hole pile method adopts a split shell-abandoning combined novel template trolley instead of a template bracket form or an integral template trolley form, so that the construction mode of the hole pile method is more flexible; when the arch buckling lining construction is carried out, the lower part of the template trolley can be used for the smooth passing of the excavation equipment of the front face, the excavation construction of the front face is not influenced, the synchronous implementation of the excavation operation and the lining structure construction is realized, and the site construction efficiency is improved.

2. In the process of using the split abandoned shell combined novel form jumbo for hole-pile method construction, a scaffold operation platform is not required to be installed and dismantled once after each section of lining is made, so that the construction progress can be accelerated; the template trolley is provided with a plurality of fixed supporting structures, so that the structure is reliable, the template trolley is more stable in the construction process, and the safety risk is reduced; the supporting structure can be freely stored during demolding, and rapid circulating construction is realized.

3. The formwork trolley is divided into a working trolley and a movable trolley, wherein the upper end and the lower end of the working trolley can be movably separated from each other, the working trolley can carry out pile-in-hole buckling arch lining construction, the movable trolley can assist the working trolley in construction operation, and the operation is convenient; and multiple construction process operations can be simultaneously carried out through the separated type template trolley, the lining speed is improved, the construction cost is reduced, and the economic benefit is good.

Drawings

FIG. 1 is a schematic front view of a form truck according to the present invention;

FIG. 2 is a side view schematically illustrating the construction of the formwork jumbo in accordance with the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic front view of the mobile cart of the present invention;

FIG. 5 is a first schematic flow chart of the construction method of the present invention;

FIG. 6 is a second schematic flow chart of the construction method of the present invention;

FIG. 7 is a schematic view of a third flow of the construction method of the present invention;

fig. 8 is a schematic sectional view of a hole pile in actual construction according to the present invention.

In the figure: 1. a working trolley; 11. a stainless steel panel; 12. a first bracket; 13. an auxiliary support; 2. moving the trolley; 21. a second bracket; 22. reinforcing ribs; 23. climbing a ladder; 3. a steel rail; 4. a pouring mechanism; 51. a main support mechanism; 52. a traveling mechanism; 53. a lifting mechanism; 6. a lateral support mechanism; 61. a support block; 62. a connecting pipe; 7. an auxiliary support mechanism; 81. buckling an arched girder body; 82. a side stringer; 91. a first section of pilot tunnel; 92. a second section of pilot tunnel; 93. waterproof laying and reinforcing steel bar manufacturing and installation.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.

The invention is described in detail below with reference to the figures and examples.

Example one

As shown in fig. 1 to 4, the present invention provides a novel split casing-discarding combined type formwork trolley, comprising: the device comprises a working trolley 1 for arch buckling construction operation, a movable trolley 2 for assisting the working trolley 1 in construction and movement, and a plurality of steel rails 3 for guiding the movable trolley 2; the steel rails 3 are all laid on the road surface; the mobile trolley 2 is movably arranged on the steel track 3; the working trolley 1 is movably arranged at the upper end of the movable trolley 2; the working trolley 1 is provided with a pouring mechanism 4 for buckling and lining operation and a main supporting mechanism 51 which can support the working trolley 1 after the buckling and lining operation is finished; the moving trolley 2 is provided with a lateral supporting mechanism 6, a travelling mechanism 52 which can drive the moving trolley 2 to move on the steel track 3, a lifting mechanism 53 for adjusting the working height of the moving trolley 2 and an auxiliary supporting mechanism 7 for enhancing the supporting stability of the moving trolley 2; the lateral support mechanism 6 abuts against the work carriage 1.

In this embodiment, the novel split shell-abandoning combined type formwork trolley consists of a working trolley 1 and a moving trolley 2, wherein the working trolley 1 is used for buckling and arching construction operation in a hole, the moving trolley 2 is used for assisting the working trolley 1 in construction and moving, the working trolley 1 is movably arranged at the upper end of the moving trolley 2 (the working trolley 1 can move on the upper surface of the moving trolley 2), a steel rail 3 is laid on a road surface in the hole, and the moving trolley 2 can slide on the steel rail 3, so that the moving effect of the formwork trolley in a pilot hole is realized through the steel rail 3;

the working trolley 1 is provided with a pouring mechanism 4 and a main supporting mechanism 51, the pouring mechanism 4 can be used for buckling arch lining operation in a hole, and the main supporting mechanism 51 can be used for fixing the working trolley 1 at the lower end of a formed buckling arch; the lateral supporting mechanism 6, the traveling mechanism 52, the lifting mechanism 53 and the auxiliary supporting mechanism 7 are arranged on the movable trolley 2, the lateral supporting mechanism 6 can be abutted against the lower end of the working trolley 1 to support the working trolley 1, the traveling mechanism 52 adopts a guide wheel driving system, the traveling mechanism 52 can be used for driving the movable trolley 2 to move on the steel track 3, the lifting mechanism 53 adopts a hydraulic system, the lifting mechanism 53 can adjust the working height of the movable trolley 2 (which is equivalent to indirectly adjusting the working height of the working trolley 1), and the auxiliary supporting mechanism 7 can support and fix the movable trolley 2, so that the movable trolley 2 is more stable and reliable in the construction process;

the working principle of the split abandoned shell combined novel template trolley is as follows: after a first section of pilot tunnel is manually broken and a primary support is built, a steel track 3 is laid on a road surface in the first section of pilot tunnel, a movable trolley 2 (comprising a lateral support mechanism 6, a walking mechanism 52, a lifting mechanism 53 and an auxiliary support mechanism 7) is laid on the steel track 3 after the laying is finished, and constructors can perform preparation work before buckling arch lining such as waterproof laying, steel bar manufacturing and installation and the like on the lower end of the first section of pilot tunnel on the movable trolley 2;

after the preparation work is finished, erecting a working trolley 1 (the working trolley 2 comprises a pouring mechanism 4 and a main support mechanism 51), after the working trolley 1 is erected, adjusting a lifting mechanism 53 on the working trolley 2 to enable the working trolley 1 to be driven by the working trolley 2 to move upwards and be tightly propped against the lower end of the first section of guide hole to position the trolley, adjusting a lateral support mechanism 6 on the working trolley 2 after the positioning is finished, enabling the lateral support mechanism 6 to be abutted against the working trolley 1 to support the working trolley 1, and positioning through the main support mechanism 51 after the positioning is finished; after the top die of the working trolley 1 is positioned by the lifting mechanism 53, the side die is adjusted through the side surface and is tightly pushed to the side longitudinal beam; after the working trolley 1 is positioned, constructors can perform arch buckling and lining construction operation on the lower end of the first section of pilot tunnel through the pouring mechanism 4, and at the moment, manual excavation and removal (including preparation work such as steel rail 3 laying and the like) of the second section of pilot tunnel below the template trolley are performed synchronously with the arch buckling and lining construction;

after the buckling arch lining operation of the first section of guide hole is finished, the working trolley 1 is fixed at the lower end of the buckling arch through the main supporting mechanism 51 (the buckling arch does not meet the strength requirement at the moment), the movable trolley 2 can move into the second section of guide hole along the steel rail 3 to perform preparation work such as waterproof laying, steel bar manufacturing and installation and the like, and the front end part of the working trolley 1 is still positioned at the upper end of the movable trolley 2 at the moment; when the buckling arch strength of the first section of pilot tunnel meets the requirement, the main supporting mechanism 51 can be accommodated and the working trolley 1 is separated from the lower end of the first section of pilot tunnel, the separated working trolley 1 can move from the first section of pilot tunnel to the movable trolley 2 positioned in the second section of pilot tunnel, after positioning is completed (the positioning principle is the same as the above), a constructor can carry out buckling arch lining construction operation on the lower end of the second section of pilot tunnel, and at the moment, manual excavation and removal of the third section of pilot tunnel below the template trolley are carried out synchronously with the second section of buckling arch lining construction;

the construction steps are repeated until the construction of the inner buckling arch lining of the tunnel is completed, so that the rapid circulating construction of the formwork trolley is realized; compare in traditional formwork support construction form, the construction methods of formwork trolley is more nimble in this application, and it is more convenient to operate, and site operation efficiency is higher, and construction cost is lower, and the construction progress is faster, and economic benefits is better.

Further, the lateral support mechanism 6 includes: a supporting block 61 for supporting the working trolley 1, and at least one connecting pipe 62 for controlling the working position of the supporting block 61; one end of the connecting pipe 62 is movably arranged on the movable trolley 2, and the other end of the connecting pipe 62 is connected with the supporting block 61; the supporting block 61 is abutted against the work trolley 1.

In this embodiment, at least one lateral support mechanism 6 is disposed on both sides of the mobile cart 2, the lateral support mechanism 6 is composed of a support block 61 and two connection pipes 62, and both ends of the connection pipe 62 are respectively connected to the support block 61 and the side wall of the mobile cart 2 (see fig. 1 and 4), so that the connection pipe 62 can control the working position of the support block 61; the supporting block 61 is abutted to the lower end of the working trolley 1, so that the lateral supporting mechanism 6 can play a role in supporting the working trolley 1, and the working trolley 1 is more stable and reliable in construction.

Further, the work carriage 1 includes: the device comprises a stainless steel panel 11 correspondingly matched with a buckling arched girder 81, a first bracket 12 used for supporting the stainless steel panel 11, and a plurality of auxiliary brackets 13 correspondingly matched with the first bracket 12 to support the stainless steel panel 11; one end of the first support 12 is movably arranged at the upper end of the movable trolley 2, and the other end of the first support 12 is movably connected with the auxiliary support 13; the stainless steel panel 11 is mounted at the upper end of the first bracket 12; the pouring mechanism 4 is arranged on the first bracket 12; the main supporting mechanism 51 is mounted on the auxiliary bracket 13; the supporting block 61 abuts against the auxiliary bracket 13.

In this embodiment, the working trolley 1 mainly includes a stainless steel panel 11, a first bracket 12 and auxiliary brackets 13, the auxiliary brackets 13 are movably disposed on both sides of the first bracket 12 and abut against the lateral support mechanism 6, the first bracket 12 and the plurality of auxiliary brackets 13 can form a contour surface correspondingly adapted to the shape of the lower end surface of the stainless steel panel 11, the stainless steel panel 11 is disposed on the upper end of the contour surface and abuts against the arched girder 81, and the stainless steel panel 11 can be used for molding the auxiliary arched girder 81;

in addition, the auxiliary support 13 can be adapted to stainless steel panels 11 of different specifications when being rotated to different positions on the first support 12, so that the auxiliary support is suitable for guide holes of various specifications, and the applicability of the workbench 1 is stronger.

Furthermore, a plurality of working windows for workers to perform arch buckling and lining operations are arranged on the stainless steel panel 11; a traveling device for moving the first carriage 12 on the movable carriage 2 is provided at the lower end of the first carriage 12.

In this embodiment, a plurality of working windows are opened on the stainless steel panel 11, and the intervals between the working windows are equal, so that a constructor on the first bracket 12 can perform arch buckling and lining construction operation on the pilot tunnel through the working windows; the lower end of the first support 12 is provided with a walking device which can adopt a driving wheel device or other moving devices, and the first support 12 can realize the moving effect of the first support at the upper end of the mobile trolley through the walking device.

Further, the main support mechanism 51 includes: at least one supporting steel pipe which can support the working trolley 1 after the buckling and lining operation is finished; the support steel pipe is rotatably arranged on the auxiliary bracket 13.

In this embodiment, the main supporting mechanism 51 is a plurality of supporting steel pipes, one end of each supporting steel pipe is connected to the auxiliary support 13, and the other end of each supporting steel pipe can be supported on the ground (see fig. 3), and when the working trolley 1 is arranged at the lower end of the buckling arch of the guide tunnel, the supporting steel pipes can tightly support the working trolley 1 at the lower end of the buckling arch, so as to achieve the effect of supporting the working trolley 1 after the buckling arch lining operation is completed.

Further, the casting mechanism 4 includes: the device comprises a material conveying device for outputting concrete and an electric vibrator for closely combining the poured concrete; the feeding device and the electric vibrator are both arranged on the first support 12.

In this embodiment, the pouring mechanism 4 mainly includes a material conveying device and an electric vibrator, wherein the material conveying device is used to output concrete to the upper end of the stainless steel panel 11 (the buckling arch beam 81 is formed by pouring concrete), the electric vibrator is used to make the concrete output by the material conveying device combined compactly so as to improve the strength of the concrete and ensure the quality of its components, the material conveying device and the electric vibrator are both used by those skilled in the building construction field, and the specific operation methods thereof are not described herein again.

Further, the mobile cart 2 includes: a second bracket 21; reinforcing ribs 22 for enhancing the structural strength are arranged on both sides of the second bracket 21; the connecting pipe 62 is rotatably arranged on the second bracket 21; the first bracket 12 is movably arranged at the upper end of the second bracket 21; the second bracket 21 is movably arranged on the steel track 3; the lifting mechanism 53 and the auxiliary supporting mechanism 7 are both arranged on the second bracket 21; the running mechanism 52 is installed at the lower end of the second bracket 21, and the driving end of the running mechanism 52 is movably arranged on the steel rail 3.

In the embodiment, the lateral supporting mechanisms 6 are arranged at two sides of the second support 21, the auxiliary supports 13 on the working trolley 1 are positioned at two sides of the second support 21, the auxiliary supports 13 are equal to side molds of the template trolley under the supporting action of the lateral supporting mechanisms 6, and when the trolley works, the first support 12 tightly supports the top of the guide hole to complete the top mold positioning, and then the auxiliary supports 13 can tightly support the side longitudinal beams 82 on the side walls of the guide hole to complete the integral positioning of the template trolley;

reinforcing ribs 22 are arranged on two sides of the second support 21, the reinforcing ribs 22 can enhance the structural strength of the second support 21, the lifting mechanism 53 and the auxiliary support mechanism 7 are arranged on the second support 21, the lifting mechanism 53 can adjust the working height of the second support 21, so that the height position of the first support 12 is indirectly adjusted through the second support 21, and the auxiliary support mechanism 7 can be used for assisting the second support 21 in supporting and fixing the steel rail 3 and the road surface; the traveling mechanism 52 is installed on the second bracket 21, and the driving end of the traveling mechanism 52 is movably arranged on the steel rail 3, and the traveling mechanism 52 can drive the second bracket 21 to move on the steel rail 3.

Further, the second bracket 21 is of a door-shaped framework structure; a ladder 23 on which an applicator can climb the first support 12 for construction work is further provided on the second support 21.

In this embodiment, the second bracket 21 adopts a door-shaped framework structure, and the reinforcing ribs 22 are arranged on two sides of the lower end of the door-shaped framework structure; in the construction process of the second support 21 adopting the door-shaped framework structure, the lower part of the second support 21 can be used for the smooth passing of excavation equipment of the front face (the face is an excavation tunnel) without influencing the excavation construction of the front face, so that the synchronous implementation of the excavation operation and the construction of the lining structure is realized, and the site construction efficiency is improved; the end part of the second bracket 21 is also provided with a ladder 23, and constructors can climb on the first bracket 12 at the upper end of the second bracket 21 through the ladder 23, so that the construction operation of buckling and lining the arch above the first bracket 12 is facilitated.

Further, the auxiliary support mechanism 7 includes: a plurality of vertical supporting shoes for assisting the second support 21 to resist vertical pressure during operation, and a plurality of oblique supporting shoes for enhancing the stability of the second support 21; one end of the vertical supporting shoe is rotatably arranged on the second bracket 21, and the other end of the vertical supporting shoe is abutted to the steel rail 3; one end of the inclined supporting shoe is rotatably arranged on the second support 21, and the other end of the inclined supporting shoe is abutted to the road surface.

In this embodiment, the auxiliary supporting mechanism 7 includes two kinds of supporting shoes, the first kind is a vertical supporting shoe, the second kind is a diagonal supporting shoe, wherein: the vertical supporting shoes are vertically supported on the steel rails 3 when the formwork trolley works and are used for assisting the second support 21 to resist the vertical pressure of mass concrete during buckling and arching lining, so that the construction risk is reduced, and the construction quality of the concrete is improved; the inclined supporting shoes are arranged at the lower end of the second bracket 21 and are abutted to the road surface, so that the stability of the second bracket 21 during working can be enhanced; vertical boots and the slant boots that prop all rotate to set up on second support 21, detain to encircle rotatable packing up after the construction is accomplished to can realize the effect that supplementary supporting mechanism 7 freely accomodates when the platform truck drawing of patterns, reach the purpose of quick cycle construction.

Example two

As shown in fig. 5 to 7, the invention provides a construction method applied to a split abandoned shell combined novel formwork jumbo, which comprises the following steps:

s01: manually breaking the first section pilot tunnel 91, establishing a primary support in the first section pilot tunnel 91 after the breaking is finished, and paving a steel track 3 on the road surface;

s02: erecting a mobile trolley 2 on the steel rail 3, enabling the mobile trolley 2 to finish primary supporting and positioning on the steel rail 3, and performing preparation work such as waterproof laying of a first section of pilot hole 91, steel bar manufacturing and installation 93 and the like on the mobile trolley 2;

s03: erecting the working trolley 1 on the movable trolley 2, and adjusting the lifting mechanism 53 of the movable trolley 2 after the erection is finished, so that the stainless steel panel 11 of the working trolley 1 is matched with the top of the first section of pilot hole 91 and the positioning is finished;

s04: after the stainless steel panel 11 is positioned, the lateral supporting mechanism 6 is adjusted, so that the auxiliary support 13 supported by the lateral supporting mechanism 6 is tightly pressed on the side longitudinal beam 82 at one side of the hole, and the integral positioning of the working trolley 1 and the movable trolley 2 is completed;

s05: the working trolley 1 is fixed at the lower end of the first section pilot tunnel 91 through a stainless steel panel 11 and a main supporting mechanism 51, arch buckling and lining are carried out on the first section pilot tunnel 91 through a pouring mechanism 4, a second section pilot tunnel 92 is manually broken and a primary support and a steel track 3 are established during lining;

s06: after the lining is finished, the working trolley 1 is fixed at the lower end of the buckling arch of the first section of pilot hole 91, the lateral supporting mechanism 6 is stored and separated from the working trolley 1, the movable trolley 2 moves into the second section of pilot hole 92 after the breaking is finished along the steel track 3, and preparatory work such as waterproof laying of the second section of pilot hole 92, steel bar manufacturing and installation 93 and the like is carried out on the movable trolley 2;

s07: after the buckling strength of the first section of pilot hole 91 meets the requirement, the working trolley 1 is moved to the movable trolley 2 of the second section of pilot hole 92, and after the movement is finished, the lifting mechanism 53 of the movable trolley 2 is adjusted, so that the stainless steel panel 11 of the working trolley 1 is matched with the top of the second section of pilot hole 92, and the positioning is finished;

s08: after S07 is finished, returning to S04 and circulating the steps until the construction of the inner buckling arch lining of the tunnel is finished, thereby realizing the rapid circulating construction of the template trolley; compare in traditional formwork support construction form, the construction method of this application is more nimble, and it is more convenient to operate, and site operation efficiency is higher, and construction cost is lower, and economic benefits is better.

Further, as shown in fig. 8, in the actual construction process of buckling the arch lining by the hole pile method, as the buckling and the arch lining in the hole piles at two sides are performed simultaneously, the formwork trolleys in the application are arranged in the hole piles at two sides, which is convenient for the construction of two sides to be performed synchronously;

in addition, a reserved gap with a certain distance is further arranged between the template trolley and the guide hole wall body which is not broken away, the safety of the template trolley in the construction process can be guaranteed by the reserved gap, and the problem that the distance between the template trolley and the wall body is too close to cause construction difficulty is solved.

The split shell-abandoning combined novel template trolley and the construction method thereof have the advantages of low cost, reliable structure, convenient operation, free movement, high lining speed and good structure forming effect.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. The novel combined formwork trolley of the split abandoned shell is characterized by comprising: the device comprises a working trolley for arch buckling construction operation, a movable trolley for assisting the working trolley in construction and movement, and a plurality of steel rails for guiding the movable trolley; the steel rails are all laid on the road surface; the movable trolley is movably arranged on the steel track; the working trolley is movably arranged at the upper end of the movable trolley;

the working trolley is provided with a pouring mechanism for buckling arch lining operation and a main supporting mechanism capable of supporting the working trolley after the buckling arch lining operation is finished; the movable trolley is provided with a lateral supporting mechanism, a travelling mechanism capable of driving the movable trolley to move on the steel track, a lifting mechanism for adjusting the working height of the movable trolley and an auxiliary supporting mechanism for enhancing the supporting stability of the movable trolley; the lateral supporting mechanism is abutted against the working trolley.

2. The modular novel form jumbo of branch abandonment shell of claim 1, characterized in that, the lateral bracing mechanism includes: the supporting block is used for supporting the working trolley, and the connecting pipe is used for controlling the working position of the supporting block; one end of the connecting pipe is movably arranged on the movable trolley, and the other end of the connecting pipe is connected with the supporting block; the supporting block is abutted to the working trolley.

3. The combined novel formwork trolley of a split disposable shell as claimed in claim 2, wherein the working trolley comprises: the buckling arched girder comprises a stainless steel panel correspondingly matched with the buckling arched girder body, a first bracket used for supporting the stainless steel panel and a plurality of auxiliary brackets correspondingly matched with the first bracket to support the stainless steel panel;

one end of the first support is movably arranged at the upper end of the movable trolley, and the other end of the first support is movably connected with the auxiliary support; the stainless steel panel is arranged at the upper end of the first bracket; the pouring mechanism is arranged on the first support; the main supporting mechanism is arranged on the auxiliary bracket; the supporting block is abutted to the auxiliary bracket.

4. The novel split disposable shell combined type formwork trolley as claimed in claim 3, wherein a plurality of operation windows for workers to perform buckling and lining operations are arranged on the stainless steel panel; and a walking device which can be used for the first bracket to move on the mobile trolley is arranged at the lower end of the first bracket.

5. The combined novel formwork trolley of a split disposable shell as claimed in claim 4, wherein the main supporting mechanism comprises: at least one supporting steel pipe which can support the working trolley after the buckling and lining operation is finished; the support steel pipe is rotatably arranged on the auxiliary bracket.

6. The combined novel formwork trolley of the split disposable shell as claimed in claim 5, wherein the pouring mechanism comprises: the device comprises a material conveying device for outputting concrete and an electric vibrator for closely combining the poured concrete; the feeding device and the electric vibrator are both installed on the first support.

7. The combined novel formwork trolley of a split disposable shell as claimed in any one of claims 2 to 6, wherein the mobile trolley comprises: a second bracket; reinforcing ribs for enhancing the structural strength are arranged on both sides of the second bracket; the connecting pipe is rotatably arranged on the second bracket; the first bracket is movably arranged at the upper end of the second bracket;

the second bracket is movably arranged on the steel track; the lifting mechanism and the auxiliary supporting mechanism are arranged on the second bracket; the traveling mechanism is installed at the lower end of the second support, and the driving end of the traveling mechanism is movably arranged on the steel track.

8. The split disposable shell combined novel template trolley as claimed in claim 7, wherein the second support is of a door-shaped framework structure; and the second bracket is also provided with a ladder stand on which an operator can climb the first bracket to perform construction operation.

9. The combined novel formwork trolley of the split disposable shell as claimed in claim 8, wherein the auxiliary supporting mechanism comprises: the plurality of vertical supporting shoes are used for assisting the second support to resist vertical pressure during working, and the plurality of oblique supporting shoes are used for enhancing the stability of the second support;

one end of the vertical supporting shoe is rotatably arranged on the second bracket, and the other end of the vertical supporting shoe is abutted to the steel rail; one end of the inclined supporting shoe is rotatably arranged on the second support, and the other end of the inclined supporting shoe is abutted to the road surface.

10. A construction method applied to the split type disposable shell combined novel formwork trolley as claimed in any one of claims 1 to 9, characterized by comprising the following steps:

s01: manually breaking a first section of pilot tunnel, establishing a primary support in the first section of pilot tunnel after the breaking is finished, and paving a steel track on the road surface;

s02: erecting a mobile trolley on the steel track to enable the mobile trolley to finish preliminary supporting and positioning on the steel track, and carrying out preparation work such as waterproof laying of a first section of pilot tunnel, manufacturing and installing of reinforcing steel bars and the like on the mobile trolley;

s03: erecting a working trolley on the movable trolley, and adjusting a lifting mechanism of the movable trolley after the erection is finished so that a stainless steel panel of the working trolley is matched with the top of the first section of the pilot tunnel and positioning is finished;

s04: after the stainless steel panel is positioned, adjusting the lateral supporting mechanism to enable the lateral supporting mechanism to support the auxiliary support to be tightly propped against the side longitudinal beam on one side of the hole, and integrally positioning the working trolley and the movable trolley;

s05: the working trolley is fixed at the lower end of the first section of pilot tunnel through a stainless steel panel and a main supporting mechanism, the first section of pilot tunnel is subjected to arch buckling lining through a pouring mechanism, the second section of pilot tunnel is manually broken through lining, and a primary support and a steel track are built;

s06: after lining is finished, the working trolley is fixed at the lower end of the buckling arch of the first section of pilot tunnel, the lateral supporting mechanism is stored and separated from the working trolley, the movable trolley moves into the second section of pilot tunnel after the breaking is finished along the steel rail, and preparation work such as waterproof laying of the second section of pilot tunnel, manufacturing and installing of reinforcing steel bars and the like is carried out on the movable trolley;

s07: after the buckling strength of the first section of pilot hole meets the requirement, the working trolley is moved to the movable trolley of the second section of pilot hole, and after the movement is finished, the lifting mechanism of the movable trolley is adjusted, so that the stainless steel panel of the working trolley is matched with the top of the second section of pilot hole and the positioning is finished;

s08: and after S07 is finished, returning to S04 and circulating the steps until the construction of the inner buckling arch lining of the tunnel is finished.

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