CN215715514U - Quick lining device for open cut tunnel - Google Patents
Quick lining device for open cut tunnel Download PDFInfo
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- CN215715514U CN215715514U CN202023051456.0U CN202023051456U CN215715514U CN 215715514 U CN215715514 U CN 215715514U CN 202023051456 U CN202023051456 U CN 202023051456U CN 215715514 U CN215715514 U CN 215715514U
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Abstract
The utility model discloses a quick lining device for an open cut tunnel, which comprises a wall body, a guide rail, a stand column framework, a motor, a traveling mechanism, an oil cylinder, a supporting platform, an outer template, an inner template, a hydraulic pushing mechanism, an inner door frame component, a top die frame, a bracket, a cross beam frame, a jack, a vibrator, a hinge shaft, a top die, a side die and a transverse plate. The utility model has the beneficial effects that: running gear is including organizing small-size rail wheel, wherein initiative and passive each 2 groups, it removes at the lining cutting in-process to be convenient for this platform truck, overlay wood plywood is chooseed for use to exterior sheathing and inner formword, be convenient for after the deciduate, make the concrete surface more smooth, exterior sheathing and inner formword use the angle mill to derust and make level, and the concatenation seam of exterior sheathing and inner formword seals up with the mat and handles, the steel sheet welding is used to the crossbeam frame for the form of two webs, the thick board is more than 20mm, be convenient for prevent that the support system from receiving concrete squeezing action and taking place the deformation shrink, the concrete structure that the influence has accomplished the work.
Description
Technical Field
The utility model relates to a quick lining device, in particular to a quick lining device for an open cut tunnel, and belongs to the technical field of building construction equipment.
Background
With the rapid promotion of the urbanization level of China and the progress of engineering design and construction technology, the open cut tunnel limited by special conditions is taken as an important building construction structural form, the construction is carried out at the same time in the construction of a high-speed railway, the construction process of lining concrete of the open cut tunnel is relatively slow, when a traditional triangular large formwork construction mode is used, the construction speed can be improved only by increasing the personnel and equipment investment, improving the material turnover efficiency and the like, the extremely high construction cost is brought, and the great difficulty is brought to the safety management work of a construction site.
In the prior art and the conventional technology, the construction of the side wall and the top plate of the open cut rectangular tunnel generally adopts a template support system, and the template support system is mostly disassembled and assembled and is a bowl buckle support system. The method has the advantages of multiple working procedures, multiple reinforcing supports, poor overall appearance, high construction difficulty during cross operation on a construction site, low construction efficiency and difficulty in realizing the goal of the node construction period under the condition of short construction period.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a rapid lining apparatus for an open cut tunnel.
The utility model realizes the purpose through the following technical scheme: a quick lining device for an open cut tunnel comprises a wall body, guide rails, a stand column framework, a motor, a traveling mechanism, an oil cylinder, a supporting platform, an outer template, an inner template, a hydraulic pushing mechanism, an inner portal frame component, a top formwork, a bracket, a cross beam frame, a jack, a vibrator, a hinge shaft, a top formwork, a side formwork and a transverse plate; the wall body, the guide rail, the upright post framework and the traveling mechanism form a main body structure of the device, the guide rail is arranged on the bottom surface of the wall body, the traveling mechanism is fixedly installed in the guide rail, the motor is fixedly connected to the outer side of the traveling mechanism, the upright post framework is fixedly connected to the upper end of the traveling mechanism, the oil cylinder is fixedly installed on the upright post framework, the supporting platform is fixedly connected to the outer side of the upright post framework, the outer formwork is fixedly connected to the inner wall of the wall body, the inner formwork is fixedly connected to the inner side of the outer formwork through a support, the hydraulic pushing mechanism is fixedly installed between the inner formwork and the upright post framework, the inner portal frame component is fixedly arranged between the two upright post frameworks, the top ends of the two upright post frameworks are fixedly connected with a bracket, the upper end of the bracket is fixedly provided with a cross beam frame, a top formwork is fixedly connected between the bracket and the cross beam component, and the traveling mechanism is provided with a cross plate, the downside rigid coupling of diaphragm has the jack, interior portal subassembly is formed by connecting rod cross connection, and two connecting rods connect through the articulated shaft, it has the vibrator still to fix on the interior portal subassembly, cope match-die and side form constitute tunnel structure jointly.
Preferably, in order to facilitate the trolley to move in the lining process, the travelling mechanism comprises small rail wheels, wherein the small rail wheels are respectively arranged in a driving mode and a driven mode, the power of a driving wheel motor is more than 7.5kW, and a worm and gear speed reducer is arranged.
Preferably, in order to facilitate demoulding, the surface of the concrete is smoother and smoother, the production cost is lower, the processing is convenient, and the concrete is very suitable for being used in a large-area structure template system, and the outer template and the inner template are made of wood plywood with a covering surface.
Preferably, in order to avoid leakage of concrete in the pouring process, the outer formwork and the inner formwork are subjected to derusting and leveling by using an angle grinder, and the splicing seams of the outer formwork and the inner formwork are sealed by using cushions.
Preferably, in order to prevent the support system from deforming and shrinking due to the extrusion of concrete and affecting the finished concrete structure, the cross beam is welded into a double-web form by using steel plates, and the thickness of the cross beam is more than 20 mm.
The small-sized trolley assembly steps are as follows: the method comprises the following steps of track laying, walking mechanism installation, trolley frame installation, jack screw support system installation, working platform installation, oil cylinder installation, side mold hoisting, hydraulic system installation, oil adding, electrified test operation and surface treatment.
The operation steps of synchronously pouring concrete by using the small-sized trolley are as follows:
the method comprises the steps of firstly, designing a trolley, assembling, debugging and processing a template, derusting and leveling the template and coating a release agent.
And step two, positioning the trolley, setting the oil cylinder and the jack screw rod, measuring and lofting, fixing the jack screw rod, and checking the position of the template.
And step three, installing a concrete pumping pipeline, adjusting a transport pump, carrying out concrete pumping, and pouring concrete.
Step four, loosening the screw rod, recovering the oil cylinder supporting system, resetting and checking the trolley
The utility model has the beneficial effects that: this kind of a quick lining cutting device for open cut tunnel reasonable in design, running gear is including organizing small-size rail wheel, wherein initiative and passive each 2 groups, action wheel motor power is more than 7.5kW, and be equipped with the worm gear speed reducer, it removes at the lining cutting in-process to be convenient for this platform truck, overlay wood plywood is chooseed for use to exterior sheathing and interior sheathing, be convenient for after the deciduate, make the concrete surface more smooth, level and smooth, and manufacturing cost is lower, processing is convenient, it uses in large tracts of land structure template system to be fit for using very much, exterior sheathing and interior sheathing use the angle mill to derust and make level, and the concatenation seam of exterior sheathing and interior sheathing carries out sealing process with the mat, the form that the steel sheet frame welding is two webs is used to the horizontal beam frame, the plate is thick more than 20mm, be convenient for prevent that the support system from taking place the deformation shrink by concrete extrusion, influence the concrete structure who has accomplished the worker.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a tunnel structure according to the present invention;
FIG. 4 is a schematic view of the connection structure of the inner gantry assembly of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
In the figure: 1. the device comprises a wall body, 2, guide rails, 3, a stand column framework, 4, a motor, 5, a traveling mechanism, 6, an oil cylinder, 7, a supporting platform, 8, an outer template, 9, an inner template, 10, a hydraulic pushing mechanism, 11, an inner portal frame assembly, 12, a top template, 13, a bracket, 14, a cross beam frame, 15, a jack, 16, a vibrator, 17, a hinge shaft, 18, a top template, 19, side templates, 20 and a transverse plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a fast lining device for open cut tunnels comprises a wall 1, a guide rail 2, a column framework 3, a motor 4, a traveling mechanism 5, an oil cylinder 6, a supporting platform 7, an outer template 8, an inner template 9, a hydraulic pushing mechanism 10, an inner portal frame assembly 11, a top template 12, a bracket 13, a cross beam assembly 14, a jack 15, a vibrator 16, a hinge shaft 17, a top template 18, a side template 19 and a transverse plate 20; the wall body 1, the guide rail 2, the upright frame 3 and the traveling mechanism 5 form a main body structure of the device, the guide rail 2 is arranged on the bottom surface of the wall body 1, the traveling mechanism 5 is fixedly arranged in the guide rail 2, the motor 4 is fixedly connected to the outer side of the traveling mechanism 5, the upright frame 3 is fixedly connected to the upper end of the traveling mechanism 5, the oil cylinder 6 is fixedly arranged on the upright frame 3, the supporting platform 7 is fixedly connected to the outer side of the upright frame 3, the inner wall of the wall body 1 is fixedly connected with the outer formwork 8, the inner side of the outer formwork 8 is fixedly connected with the inner formwork 9 through the support, the hydraulic pushing mechanism 10 is fixedly arranged between the inner formwork 9 and the upright frame 3, the inner door frame assembly 11 is fixedly arranged between the two upright frames 3, the top ends of the two upright frames 3 are fixedly connected with the bracket 13, and the upper end of the bracket 13 is fixedly provided with the transverse beam assembly 14, fixedly connected with top die carrier 12 between bracket 13 and the crossbeam frame 14, be provided with diaphragm 20 on the running gear 5, the downside rigid coupling of diaphragm 20 has jack 15, interior portal frame subassembly 11 is formed by connecting rod cross connection, and two connecting rods connect through articulated shaft 17, it has vibrator 16 to go back fixed mounting on the interior portal frame subassembly 11, top die 18 and side die 19 constitute tunnel structure jointly.
The small-sized trolley assembly steps are as follows: the method comprises the following steps of track laying, walking mechanism installation, trolley frame installation, jack screw support system installation, working platform installation, oil cylinder installation, side mold hoisting, hydraulic system installation, oil adding, electrified test operation and surface treatment.
The operation steps of synchronously pouring concrete by using the small-sized trolley are as follows:
the method comprises the steps of firstly, designing a trolley, assembling, debugging and processing a template, derusting and leveling the template and coating a release agent.
And step two, positioning the trolley, setting the oil cylinder and the jack screw rod, measuring and lofting, fixing the jack screw rod, and checking the position of the template.
And step three, installing a concrete pumping pipeline, adjusting a transport pump, carrying out concrete pumping, and pouring concrete.
Step four, loosening the screw rod, recovering the oil cylinder supporting system, resetting and checking the trolley
The working principle is as follows: when the rapid lining device for the open-cut tunnel is used, firstly, a small trolley is formally assembled, a travelling mechanism 5 is opened after the assembly is finished, the trolley is operated to a concrete pouring operation point, a screw jack 15 is used for supporting a travelling beam and a steel rail, a total station is used for determining characteristic points of a lining central line and a profile line and marking, a template pressurizing lateral oil cylinder 6 is supported, the trolley is positioned, the concrete pouring is started from an operation window at the lower part of a side mould 19, the pouring height difference is controlled within 50cm, a mode of pouring from bottom to top and layering is adopted, concrete is pumped, when the trolley is poured to the top, the pumping speed is reduced, the pressure change is paid attention to in real time to avoid the deformation of the template due to overpressure caused by continuous pouring after the concrete is filled, the thickness of the top plate of the tunnel is determined strictly according to a design drawing in the construction process of the top plate of the tunnel, and the thickness of the side wall structure of the open-cut tunnel is determined after the template trolley is selected to be poured, and then roof construction is carried out, along with the development and the perfection of an urban underground rail transit system, more open cut tunnel rapid lining construction technical requirements are generated, concrete pouring operation of the side walls and the middle partition walls is carried out simultaneously by using a lining small trolley, the lining construction speed is improved by matching with necessary field management and safety supervision means, technical measures and management measures are combined, the rapid lining technology is ensured to play a role smoothly, the lining construction speed is further improved, and the comprehensive benefit of open cut tunnel construction is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A quick lining device for open cut tunnel which characterized in that: the device comprises a wall body (1), a guide rail (2), an upright post framework (3), a motor (4), a traveling mechanism (5), an oil cylinder (6), a supporting platform (7), an outer template (8), an inner template (9), a hydraulic pushing mechanism (10), an inner portal assembly (11), a top template (12), a bracket (13), a cross beam frame (14), a jack (15), a vibrator (16), a hinge shaft (17), a top template (18), a side template (19) and a cross plate (20);
the wall body (1), the guide rail (2), the upright post framework (3) and the travelling mechanism (5) form a main body structure of the device, the guide rail (2) is arranged on the bottom surface of the wall body (1), the travelling mechanism (5) is fixedly installed in the guide rail (2), the motor (4) is fixedly connected to the outer side of the travelling mechanism (5), and the upright post framework (3) is fixedly connected to the upper end of the travelling mechanism (5);
the wall structure is characterized in that an oil cylinder (6) is fixedly mounted on the stand column framework (3), a supporting platform (7) is fixedly connected to the outer side of the stand column framework (3), an outer template (8) is fixedly connected to the inner wall of the wall body (1), an inner template (9) is fixedly connected to the inner side of the outer template (8) through a support, a hydraulic pushing mechanism (10) is fixedly mounted between the inner template (9) and the stand column framework (3), an inner door frame assembly (11) is fixedly arranged between the two stand column frameworks (3), a bracket (13) is fixedly connected to the top ends of the two stand column frameworks (3), a cross beam frame (14) is fixedly arranged at the upper end of the bracket (13), a top mold frame (12) is fixedly connected between the bracket (13) and the cross beam frame (14), a transverse plate (20) is arranged on the traveling mechanism (5), and a jack (15) is fixedly connected to the lower side of the transverse plate (20), interior portal frame subassembly (11) is formed by connecting rod cross connection, and two connecting rods connect through articulated shaft (17), still fixed mounting has vibrator (16) on interior portal frame subassembly (11), top mould (18) and side form (19) constitute tunnel structure jointly.
2. The rapid lining apparatus for open-cut tunnels according to claim 1, wherein: running gear (5) include 4 small-size rail wheels of group, wherein take the initiative and passive respectively 2 groups, and action wheel motor power is more than 7.5kW, and is equipped with the worm gear speed reducer.
3. The rapid lining apparatus for open-cut tunnels according to claim 1, wherein: the outer template (8) and the inner template (9) are made of wood plywood with a covering surface.
4. The rapid lining apparatus for open-cut tunnels according to claim 1, wherein: the outer template (8) and the inner template (9) are derusted and leveled by using an angle grinder, and the splicing seams of the outer template (8) and the inner template (9) are sealed by using cushions.
5. The rapid lining apparatus for open-cut tunnels according to claim 1, wherein: the cross beam frame (14) is welded into a double-web form by using steel plates, and the plate thickness is more than 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023051456.0U CN215715514U (en) | 2020-12-17 | 2020-12-17 | Quick lining device for open cut tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023051456.0U CN215715514U (en) | 2020-12-17 | 2020-12-17 | Quick lining device for open cut tunnel |
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| CN215715514U true CN215715514U (en) | 2022-02-01 |
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| CN202023051456.0U Active CN215715514U (en) | 2020-12-17 | 2020-12-17 | Quick lining device for open cut tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575814A (en) * | 2020-12-17 | 2021-03-30 | 中铁二十二局集团轨道工程有限公司 | Quick lining device for open cut tunnel |
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- 2020-12-17 CN CN202023051456.0U patent/CN215715514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575814A (en) * | 2020-12-17 | 2021-03-30 | 中铁二十二局集团轨道工程有限公司 | Quick lining device for open cut tunnel |
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