CN211573539U - Template trolley for railway tunnel center ditch construction - Google Patents
Template trolley for railway tunnel center ditch construction Download PDFInfo
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- CN211573539U CN211573539U CN201922473761.XU CN201922473761U CN211573539U CN 211573539 U CN211573539 U CN 211573539U CN 201922473761 U CN201922473761 U CN 201922473761U CN 211573539 U CN211573539 U CN 211573539U
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 238000009415 formwork Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a template trolley of railway tunnel center ditch construction, include: the device comprises a bearing system, a lifting system, a template system, a supporting system and a walking system; the bearing system is used for bearing force, one end of the lifting system is connected with the bearing system, and the other end of the lifting system is connected with the template system; the template system comprises a U-shaped steel plate, shoulders are extended outwards from two ends of the U-shaped steel plate, side templates are symmetrically arranged on two sides of the U-shaped steel plate, and a horizontal support is arranged on each shoulder; a plurality of first fixing blocks are fixed on the horizontal support, the first fixing blocks are arranged opposite to the cross beam, and the other end of the chain block is connected with the first fixing blocks; the supporting system is located U shaped steel inner wall both sides, and traveling system is located the bottom of bearing system, drives whole form pallet truck and walks, and this form pallet truck performance is good, and is rational in infrastructure, and work efficiency is high, can obviously promote the construction progress.
Description
Technical Field
The utility model belongs to tunnel center ditch construction equipment field, concretely relates to template trolley of railway tunnel center ditch construction.
Background
With the rapid development of the modern construction of our country, the high-speed railway engineering in China will step into a new step as a business card facing the world in China, and the high-speed railway construction technology in China can be guided to all corners of the world only by insisting on the complete development of standardization, mechanization and informatization, continuous innovation and continuous optimization. With the formation of the mechanized matching of the whole construction line and the continuous improvement of the requirement of the construction unit on the quality of the structural entity, the initial construction of the central ditch is urgent, the requirement of mechanized rapid construction cannot be met by the templates designed and manufactured in the field of domestic tunnels at present, and the manufacturing and designing of the template trolley for efficiently constructing the central ditch is a necessary trend.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a template platform truck of railway tunnel center ditch construction. The to-be-solved technical problem of the utility model is realized through following technical scheme:
a formwork trolley for railway tunnel center ditch construction comprises: the device comprises a bearing system, a lifting system, a template system, a supporting system and a walking system; wherein,
the load bearing system includes: a plurality of door frames, bottom longitudinal beams and top longitudinal beams; wherein, the portal includes: the device comprises a cross beam, upright columns and portal diagonal braces, wherein the upright columns are vertically arranged at two ends of the cross beam, one end of each portal diagonal brace is fixed on the cross beam, and the other end of each portal diagonal brace is fixed on the upright column; the top longitudinal beam is vertically arranged in the middle of the top of the cross beam and connected with the cross beams, and the bottom longitudinal beam is vertically arranged at the bottom of the upright post and connected with the upright posts; the bottom longitudinal beam is fixedly provided with the traveling system at the bottom.
The lifting system consists of two chain blocks, one end of the chain block is fixedly connected with the cross beam, and the other end of the chain block is connected with the template system;
the template system comprises a U-shaped steel plate, shoulders are extended outwards from two ends of the U-shaped steel plate, side templates are symmetrically arranged on two sides of the U-shaped steel plate, and a horizontal support is arranged on each shoulder; a plurality of first fixed blocks are fixed on the horizontal support, the first fixed blocks are arranged opposite to the cross beam, and the other end of the chain block is connected with the first fixed blocks;
the supporting system is composed of two bidirectional screw rods which are arranged up and down and are horizontally fixed on two sides of the inner wall of the U-shaped steel plate, and the screw rods are connected through a threaded sleeve;
the traveling system comprises a traveling motor, a track wheel and a steel rail; the traveling motor is fixed at the bottom of the bottom longitudinal beam, the track wheel is driven by the traveling motor and is positioned on the steel rail and can roll along the steel rail.
In an embodiment of the present invention, the horizontal support is formed by splicing three channel steels.
In an embodiment of the present invention, a reinforcing component is disposed in the U-shaped steel plate, the reinforcing component includes: the vertical channel steel, the longitudinal channel steel and the bottom plate channel steel; the vertical channel steel with vertical channel steel be a plurality of T style of calligraphy welds on the both sides inner wall of U shaped steel board, the welding of bottom plate channel steel is in on the bottom inner wall of U shaped steel board.
In an embodiment of the utility model, still include a plurality of template bracing and a plurality of second fixed block rather than corresponding, the second fixed block is located adjacent two between the first fixed block on the horizontal support, the template bracing is fixed on the end longeron, and with corresponding the second fixed block is connected.
The utility model has the advantages that:
1. the utility model provides a template trolley with good performance, reasonable structure and high working efficiency, which can obviously improve the construction progress;
2. the utility model discloses a template trolley supports and consolidates portably, adopts proper motion hydraulic system, need not other equipment assistance walking, and whole process only needs 4 people to accomplish whole construction content, and mechanized construction has reduced operating personnel's intensity of labour simultaneously;
3. the utility model discloses a ditch template adopts integral steel form to have sufficient rigidity and intensity, the concrete is tamped and is targetting in place, and no honeycomb, spot, wrong platform phenomenon take place, and the surface is smooth, level and smooth.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic cross-sectional view of a formwork trolley in an embodiment;
FIG. 2 is a schematic structural view of a vertical section of a formwork trolley in the embodiment;
fig. 3 is a side cross-sectional view of a template system in an embodiment of a template trolley.
Reference numerals:
1-a load bearing system; 2-a hoisting system; 3-a template system; 4-a support system; 5-a walking system; 6-formwork diagonal bracing; 7-a second fixed block; 8-filling surface; 11-a gantry; 12-bottom stringer; 13-top stringer; 111-a cross-beam; 112-upright post; 113-gantry diagonal bracing; 21-chain block; 31- "U" shaped steel plate; 32-sideform; 33-a first fixed block; 34-vertical channel steel; 35-longitudinal channel steel; 36-bottom plate channel steel; 37-horizontal support; 51-a travel motor; 52-a rail wheel; 53-rail.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Please refer to fig. 1-3 simultaneously, the embodiment of the present invention provides a form trolley for construction of a central ditch of a railway tunnel, which specifically comprises: a bearing system 1, a lifting system 2, a template system 3, a supporting system 4 and a walking system 5, wherein,
the bearing system 1 is a main bearing device, comprising: a plurality of door frames 11, bottom longitudinal beams 12 and top longitudinal beams 13; wherein, portal 11 includes: the gantry comprises a cross beam 111, upright columns 112 and gantry diagonal braces 113, wherein the upright columns 112 are vertically fixed at two ends of the cross beam 111 through bolts, one ends of the gantry diagonal braces 113 are fixed on the cross beam 111 through bolts, the other ends of the gantry diagonal braces are fixed on the upright columns 112 through bolts and used for stabilizing the whole gantry 11, top longitudinal beams 13 are vertically arranged in the middle of the tops of the cross beam 111 and fixedly connected with a plurality of cross beam 111 through bolts, and two bottom longitudinal beams 12 are respectively vertically arranged at the bottoms of the upright columns 112 at two ends of the cross beam 111 and fixedly connected with a plurality of; the bottom of the bottom longitudinal beam 12 is connected with a traveling system 5 through bolts.
The embodiment of the utility model provides an in, set up six portals 11, adopt H180X 180 steel to assemble and form, the interval is 420mm between two adjacent portals 11, and the length of top longeron 13 is 21m, and the length of longeron 12 is 24m at two ends, and the length of crossbeam 111 is 2m, and the height of end longeron is 0.8 m.
Furthermore, the lifting system 2 is composed of two chain blocks 21, one end of each chain block is fixed on the cross beam 111 through a bolt, and the other end of each chain block is connected with the template system 3; the lifting system 2 can lift the template system 3 to be above the filling surface 8, so that the template system is convenient to walk and polish.
Further, the formwork system 3 comprises an integral U-shaped steel plate 31, shoulders are extended outwards from two ends of the U-shaped steel plate 31, the side formworks 32 are symmetrically arranged on two sides of the U-shaped steel plate 31, a horizontal support 37 is arranged on the shoulders, and the horizontal support 37 is formed by splicing three channel steels; the welding has a plurality of first fixed blocks 33 on this horizontal support 37, and first fixed block 33 sets up with crossbeam 111 relatively, and first fixed block 33 middle is provided with porosely, and chain block 21's the other end clearing hole is connected with first fixed block 33, promotes through chain block 21, and is nimble convenient, and the maintenance is easy.
The side templates 32 are positioned on the filling surfaces 8 at two sides of the U-shaped steel plate 31, and the distance between the side templates 32 and the U-shaped steel plate 31 is the width to be poured, and is mainly used for positioning concrete, so that the central ditch is successfully poured.
Further, the height of side form 32 is 32 ~ 35cm, and the height of the concrete that central ditch was pour is higher than filling surface 830cm, mainly because need the driving on the filling surface 8 of central ditch both sides during the construction, can lead to filling surface 8 uneven, and later stage construction is difficult to control, consequently, pours filling surface 8 of central ditch both sides to central ditch top after whole tunnel link up again, guarantees the roughness of filling surface 8 of central ditch both sides.
Further, U shaped steel board 31's length is 21 ~ 24m, and thickness is 3 ~ 5m, and two adjacent portal 11's distance is 400 ~ 420cm in the embodiment of the utility model provides an, U shaped steel board 31's length is 24m, and thickness is 5m, and two portal 11's distance is 420cm, and single construction length is 24m, more is of value to keep the line type to meet the demands.
Further, a reinforcing component is arranged in the U-shaped steel plate 31, and the reinforcing component includes: a vertical channel steel 34, a longitudinal channel steel 35 and a bottom plate channel steel 36; vertical channel-section steel 34 and vertical channel-section steel 35 are the welding of a plurality of T style of calligraphy on U shaped steel plate 31's both sides inner wall, and bottom plate channel-section steel 36 welds on U shaped steel plate 31's bottom inner wall, and after strengthening the subassembly through increasing, this U shaped steel plate 31 can satisfy and use 100 times repeatedly and not destroyed.
Further, the supporting system 4 is located on two sides of the inner wall of the U-shaped steel plate 31 and used for reinforcing the template system 3 after shaping, and the width of the ditch is ensured to meet design requirements.
The supporting system 4 is composed of two bidirectional lead screws which are arranged up and down and are horizontally fixed on longitudinal channel steel at two ends of a U-shaped steel plate 31 through bolts, the lead screws are connected through threaded sleeves, and the distance between the two bidirectional lead screws is 40 cm; the bidirectional screw is used for reinforcing the template system 3 after shaping, and prevents the template from running during concrete pouring.
Further, the traveling system 5 includes a hydraulic traveling motor 51, a rail wheel 52, and a rail 53, wherein the traveling motor 51 is fixed to the bottom of the bottom side member 12 by bolts, the rail wheel 52 is provided on a main shaft of the traveling motor 51, the rail 53 is fixed to the filling surface 8 by being driven by the traveling motor 51, the rail wheel 52 is positioned on the rail 53 and rolls along the rail 53, and the traveling motor is YE2-100L 2-4.
In the embodiment of the utility model, the bottom of the bottom longitudinal beam 12 corresponding to the first and the last two gantries 11 and the bottom of the bottom longitudinal beam 12 corresponding to the two gantries 11 at the middle position are both provided with the traveling system 5, and the six gantries 11 are matched with the four groups of traveling systems 5, so that the stress of the whole structure is reasonable; the template trolley is driven to move by the synchronous movement of the walking motor 51.
Further, this template platform truck still includes a plurality of template bracing 6 and a plurality of second fixed block 7 that correspond the setting with template bracing 6, and second fixed block 7 welds on the horizontal support 37 between two adjacent first fixed blocks 33, and bolt fastening is passed through on end longeron 12 to template bracing 6 one end, and the other end passes through bolted connection with the second fixed block 7 that corresponds to ensure accurate location.
The template inclined strut 6 is also composed of a bidirectional screw rod, and a threaded sleeve is arranged in the middle of the screw rod and used for adjusting the extension and contraction of the bidirectional screw rod, so that the length of the template inclined strut 6 is adjusted.
The embodiment of the utility model provides a still provide a construction process of form platform truck, specifically include:
step 1: the template trolley is driven to move to a section to be poured through the traveling system 5, and before the trolley travels, the template system 3 is lifted to be above a filling surface 8 through the lifting system 2, so that collision in the traveling process is prevented.
Step 2: after the template trolley is in place, the template system 3 is lowered to the required height through the lifting system 2, and the transverse deviation is adjusted by the template inclined strut 6 to ensure accurate positioning; the transverse positioning deviation of the trolley is not more than 15mm, the width deviation is not more than 10mm, the depth is not less than the design depth, the template is not obviously deformed, and the template needs to be polished flat and coated with a release agent before positioning.
And step 3: after the template trolley is positioned, the template system 3 is reinforced by the supporting system 4, and the width of the ditch is ensured to meet the requirement.
And 4, step 4: the concrete pouring of the central ditch adopts one-step pouring molding, the pouring is carried out according to the direction from the far end to the poured section, the pouring is carried out according to the mode of horizontal layering and oblique segmentation, and the concrete is tamped compactly by adopting a small-diameter tamping rod.
And 5: and (3) loosening the supporting system 4 after about 7-8 hours of concrete pouring is finished, lifting the template system 3 to a position above a filling surface 8 through the lifting system 2, driving the template trolley to move to a next section to be poured through the walking system 5, circularly working until the concrete pouring of the central ditch is finished, and immediately carrying out covering, watering and curing on the poured concrete after the template trolley moves.
Furthermore, the template trolley should walk slowly and stably, and the walking speed is not more than 3 m/min.
The utility model has good performance, reasonable structure and high working efficiency, the single construction length reaches 24m, 1 cycle construction can be completed every day, about 700m is completed every month under normal conditions, and the construction progress can be obviously promoted; the utility model has simple and convenient support and reinforcement, adopts the hydraulic system to drive the walking system to move, does not need other equipment to assist the walking, only needs 4 persons to complete the whole construction content in the whole process, and simultaneously reduces the labor intensity of the operating personnel through mechanical construction; the utility model has the advantages that the whole body of the template trolley is longer, the reinforcement measures are complete in the construction, the line type is straight after the pouring is finished, and the appearance is beautiful; the utility model adopts the integral steel template, has enough rigidity and strength, and has smooth and flat surface, no honeycomb, spot and slab staggering phenomenon; the utility model discloses a portal structure combines together with integral steel mould, and sufficient intensity and rigidity have both been guaranteed to cooperation hydraulic walking system, simple structure simultaneously, and have alleviateed weight.
In the description of the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any 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 description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (4)
1. The utility model provides a template platform truck of railway tunnel center ditch construction which characterized in that includes: the device comprises a bearing system, a lifting system, a template system, a supporting system and a walking system; wherein,
the load bearing system includes: a plurality of door frames, bottom longitudinal beams and top longitudinal beams; the portal includes: the device comprises a cross beam, upright columns and portal diagonal braces, wherein the upright columns are vertically arranged at two ends of the cross beam, one end of each portal diagonal brace is fixed on the cross beam, and the other end of each portal diagonal brace is fixed on the upright column; the top longitudinal beam is vertically arranged in the middle of the top of the cross beam and connected with the cross beams, and the bottom longitudinal beam is vertically arranged at the bottom of the upright post and connected with the upright posts; the bottom of the bottom longitudinal beam is fixedly provided with the walking system;
the lifting system consists of two chain blocks, one end of the chain block is fixedly connected with the cross beam, and the other end of the chain block is connected with the template system;
the template system comprises a U-shaped steel plate, shoulders are extended outwards from two ends of the U-shaped steel plate, side templates are symmetrically arranged on two sides of the U-shaped steel plate, and a horizontal support is arranged on each shoulder; a plurality of first fixed blocks are fixed on the horizontal support, the first fixed blocks are arranged opposite to the cross beam, and the other end of the chain block is connected with the first fixed blocks;
the supporting system is composed of two bidirectional screw rods which are arranged up and down and are horizontally fixed on two sides of the inner wall of the U-shaped steel plate, and the screw rods are connected through a threaded sleeve;
the traveling system comprises a traveling motor, a track wheel and a steel rail; the traveling motor is fixed at the bottom of the bottom longitudinal beam, the track wheel is driven by the traveling motor and is positioned on the steel rail and can roll along the steel rail.
2. The form jumbo for railway tunnel center trench construction of claim 1, wherein the horizontal support is formed by splicing three steel channels.
3. The formwork trolley for railway tunnel center ditch construction according to claim 1 or 2, wherein a reinforcing component is arranged in the U-shaped steel plate, and the reinforcing component comprises: the vertical channel steel, the longitudinal channel steel and the bottom plate channel steel; the vertical channel steel with vertical channel steel be a plurality of T style of calligraphy welds on the both sides inner wall of U shaped steel board, the welding of bottom plate channel steel is in on the bottom inner wall of U shaped steel board.
4. The formwork trolley for the construction of the central ditch of the railway tunnel according to claim 3, further comprising a plurality of formwork diagonal braces and a plurality of second fixing blocks corresponding to the formwork diagonal braces, wherein the second fixing blocks are positioned on the horizontal support between two adjacent first fixing blocks, and the formwork diagonal braces are fixed on the bottom longitudinal beams and connected with the corresponding second fixing blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473761.XU CN211573539U (en) | 2019-12-31 | 2019-12-31 | Template trolley for railway tunnel center ditch construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473761.XU CN211573539U (en) | 2019-12-31 | 2019-12-31 | Template trolley for railway tunnel center ditch construction |
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| Publication Number | Publication Date |
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| CN211573539U true CN211573539U (en) | 2020-09-25 |
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| CN201922473761.XU Active CN211573539U (en) | 2019-12-31 | 2019-12-31 | Template trolley for railway tunnel center ditch construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873480A (en) * | 2021-01-08 | 2021-06-01 | 中冶天工集团天津有限公司 | Slag flushing ditch wear-resistant material pouring template and use method thereof |
| CN113266400A (en) * | 2021-07-08 | 2021-08-17 | 中铁隧道局集团有限公司 | Trolley for molding tunnel sewage-cleaning diversion canal and construction method thereof |
| CN114481764A (en) * | 2022-03-21 | 2022-05-13 | 广西路建工程集团有限公司 | From walking side ditch construction formwork system |
-
2019
- 2019-12-31 CN CN201922473761.XU patent/CN211573539U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873480A (en) * | 2021-01-08 | 2021-06-01 | 中冶天工集团天津有限公司 | Slag flushing ditch wear-resistant material pouring template and use method thereof |
| CN113266400A (en) * | 2021-07-08 | 2021-08-17 | 中铁隧道局集团有限公司 | Trolley for molding tunnel sewage-cleaning diversion canal and construction method thereof |
| CN113266400B (en) * | 2021-07-08 | 2024-06-21 | 中铁隧道局集团有限公司 | Trolley for constructing tunnel sewage-cleaning diversion ditch and construction method thereof |
| CN114481764A (en) * | 2022-03-21 | 2022-05-13 | 广西路建工程集团有限公司 | From walking side ditch construction formwork system |
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