CN215633018U - Shield tunnel side wall pouring trolley - Google Patents
Shield tunnel side wall pouring trolley Download PDFInfo
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- CN215633018U CN215633018U CN202122037858.3U CN202122037858U CN215633018U CN 215633018 U CN215633018 U CN 215633018U CN 202122037858 U CN202122037858 U CN 202122037858U CN 215633018 U CN215633018 U CN 215633018U
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Abstract
The technical problem to be solved by the utility model is to provide a shield tunnel side wall pouring trolley which can synchronously operate with shield construction, shortens the construction period, is stable and firm in template assembly, realizes safe and quick construction, and comprises a trolley frame, a travelling mechanism and a template assembly. The template assembly comprises a left template and a right template, and the left template and the right template are correspondingly connected to the left side and the right side of the trolley frame through transverse support rods.
Description
Technical Field
The utility model relates to the field of large-diameter shield tunnel side wall pouring construction, in particular to a shield tunnel side wall pouring trolley.
Background
In recent years, a great deal of river-crossing shield tunnels in China are constructed, and in the construction process of internal structures of large shield tunnels, the side wall pouring construction mode mainly adopts a traditional wood formwork or a triangular trolley, however, the two modes mainly have the following problems:
(1) the erection and dismantling period is long in the construction process of the wood template, and the occupied space of the material is large;
(2) slurry pipelines, water-gas pipelines and other tunneling supporting facilities are arranged on two sides of the slurry shield tunnel, and side wall construction needs to be carried out after the tunnel is communicated, so that the whole construction period is limited;
(3) in the construction process of the triangular trolley, the template is difficult to reinforce and easy to run, so that the structural size does not meet the design requirement;
the existence of above-mentioned technical problem leads to the difficult cycle length of construction in the shield tunnel, consequently urgently needs a equipment that is fit for shield tunnel side wall and pours.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide the shield tunnel side wall pouring trolley which can synchronously operate with shield construction, shortens the construction period, ensures that the template assembly is stable and firm, and realizes safe and quick construction.
The utility model is realized by the following technical scheme:
a trolley for casting a side wall of a shield tunnel comprises a trolley frame, wherein the trolley frame comprises a door-shaped frame, bottom longitudinal beams are respectively arranged on the left side and the right side of the bottom of the door-shaped frame, a plurality of telescopic ground foot supports are arranged at the bottom of each bottom longitudinal beam, and a driving wheel and a driven wheel are correspondingly arranged at the front end and the rear end of the bottom of each bottom longitudinal beam; the walking mechanism comprises a track assembly, and the track assembly is used for bearing all ground foot supports and is matched with the driving wheel and the driven wheel to walk; the template assembly comprises a left template and a right template, and the left template and the right template are correspondingly connected to the left side and the right side of the trolley frame through transverse support rods; and the operating platform is arranged at the top of the trolley frame and used for concrete pouring construction.
Furthermore, the door-shaped frame is composed of a plurality of frame units, the frame units are longitudinally distributed on the bottom longitudinal beam from front to back, and adjacent frame units are fixedly connected by a strut diagonal brace;
each frame unit comprises a cross beam and two stand columns, and the cross beam is fixedly connected with the two stand columns in a door shape.
Furthermore, in each frame unit, the bottoms of the left and right ends of the cross beam are fixedly connected with transverse hanging rails through longitudinal hanging rails, and each transverse hanging rail is provided with a chain block in a matching manner;
the left side template and the right side template are correspondingly connected to the upright columns on the left side and the right side in the trolley frame through the transverse support rods.
Furthermore, guide wheels are arranged at the left end and the right end of the cross beam, each transverse supporting rod consists of a left section rod, a middle rod and a right section rod, and opposite screws are arranged at the left end and the right end of the middle rod respectively and are in threaded connection with the left section rod and the right section rod.
Further, the driving wheel and the driven wheel respectively comprise a roller wheel support, two roller wheels are rotatably connected in the roller wheel support along the front-back direction, a speed reduction motor is arranged at the top of the outer wall of the roller wheel support of the driving wheel, and an output shaft of the speed reduction motor is in transmission connection with the roller wheels through a chain.
Furthermore, a guardrail is arranged at the top of the operating platform.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the template assembly comprises a left template and a right template, and the left template and the right template are correspondingly connected to the left side and the right side of the trolley frame through transverse support rods; the side walls on the two sides of the tunnel can be synchronously poured, and the construction progress is accelerated;
the trolley frame can move in the front-back direction in cooperation with the travelling mechanism, synchronous operation with shield construction can be realized under the condition that shield construction requirements are considered, and the construction period is greatly shortened;
the utility model can synchronously operate with shield construction, shortens construction period, ensures that the template assembly is stable and firm, and realizes safe and quick construction;
(2) the portal frame is composed of a plurality of frame units, the frame units are longitudinally distributed on the bottom longitudinal beam in the front-back direction, and the adjacent frame units are fixedly connected by the inclined struts of the supporting columns, so that the portal frame is stable in structure, an operation platform is conveniently arranged at the top, and construction by multiple persons is realized under the condition of ensuring safety;
(3) the utility model has compact structure, firmness and stability, can integrally move and is convenient to use in the shield tunnel.
Drawings
FIG. 1 is a schematic diagram of a construction state of a shield tunnel side wall pouring trolley according to the utility model;
FIG. 2 is a side view of a trolley frame of the shield tunnel side wall pouring trolley of the utility model;
FIG. 3 is a schematic view of the connection of the stud to the form assembly of the present invention;
FIG. 4 is a schematic view of the transverse hanger rail of the present invention;
in the figure: 1. the device comprises upright columns, 2, cross beams, 3, bottom longitudinal beams, 4, ground foot supports, 5, transverse hanging rails, 6, chain blocks, 7, a track assembly, 8, a driving wheel, 9, a driven wheel, 10, a guide wheel, 11, a left side template, 12, a right side template, 13, transverse support rods, 14 and an operation platform.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, the present embodiment discloses a shield tunnel sidewall casting trolley, which mainly includes a trolley frame, a traveling mechanism, a formwork assembly, and an operation platform 14. The whole portal structure that is of bogie frame, its length along the tunnel direction of advance is 10.5 meters, and whole width is 11.75 meters, and the design span is 6.25m, and interior height is 4.5 m.
The bogie frame consists of a door-shaped frame and two bottom longitudinal beams 3, the door-shaped frame comprises 6 frame units serving as main stress components of the bogie, and the frame units consist of upright posts 1, cross beams 2 and strut diagonal braces. Wherein, stand 1 is 400mm 300 mm's H shaped steel, and every frame cell has 2 stands, is left and right distribution, and the platform truck is total 12 stands in this embodiment. The crossbeam 2 is wholly 350mm 350mmH shaped steel and constitutes, and there is 1 crossbeam in every frame element, and the platform truck is total 6 crossbeams in this embodiment. The supporting oblique beams are 14# channel steel, each frame unit is provided with 4 supporting oblique beams, and the trolley in the embodiment has 24 supporting oblique beams. The frame unit is in a door-shaped structure through the cross beam 2, the upright post 1 and the supporting oblique beam, and the structure is stable.
Each bottom longitudinal beam 3 is a double-web H-shaped steel with the height of 500mm x 400mm, and stiffening ribs are arranged at intervals of 0.5 meter along the longitudinal direction to ensure rigidity. 1 bottom of stand of every frame cell passes through bolt fixed connection on end longeron 3, in order to guarantee structural stability, welds as an organic wholely through the pillar bracing between the adjacent frame cell in front and back, and in this embodiment, the pillar bracing also adopts 14# channel-section steel equally. Six ground foot supports 4 are installed along the fore-and-aft direction to 3 bottoms of every end longeron, and every ground foot supports 4 and all is the bracing piece of diameter 30mm, is provided with the screw thread on the bracing piece, through rotatory bracing piece, can realize the flexible of ground foot support 4.
In each frame unit, longitudinal hanging rails are arranged at the bottoms of the left end and the right end of the cross beam 2, the longitudinal hanging rails are mainly composed of 20# B I-steel, transverse hanging rails 5 are arranged at the bottoms of the longitudinal hanging rails in a welding mode, the length of each transverse hanging rail 5 is 1.175 m, and each transverse hanging rail is composed of 16# I-steel. And a chain block 6 is arranged on the transverse hanging rail 5 in a matching way, and the chain block 6 is mainly used for hoisting the side wall template.
The running mechanism mainly comprises a track assembly 7, wherein the track assembly 7 is composed of two running tracks, and each running track adopts a P43 heavy track. The two walking rails are respectively and correspondingly positioned under the two bottom longitudinal beams 3 and used for bearing all the foundation supports 4. The front end and the rear end of the bottom of each bottom longitudinal beam 3 are correspondingly provided with a driving wheel 8 and a driven wheel 9, all the driving wheels 8 and the driven wheels 9 comprise roller wheel supports, two roller wheels are rotatably connected in the roller wheel supports along the front-rear direction, the tops of the outer walls of the roller wheel supports corresponding to the driving wheels 8 are provided with speed reducing motors, and output shafts of the speed reducing motors are in transmission connection with the roller wheels through chains. Through chain transmission, the driving wheel 8 drives the whole machine to travel along the traveling track, and the driven wheel 9 follows up. In order to ensure the stability of the trolley during walking, guide wheels 10 are arranged at the left end and the right end of the cross beam 2 in each frame unit, and the guide wheels 10 are tightly attached to the inner wall of a segment of the shield tunnel to ensure that the trolley can stably walk.
The template component comprises a left template 11 and a right template 12, wherein the panels of the left template 11 and the right template 12 are made of 6+2 stainless steel composite plates, longitudinal ribs of the panels are made of 12# channel steel, the distance between the longitudinal ribs is 350mm, and back ribs are made of double-spliced 14# channel steel, so that the rigidity of the increased template is improved. The left side template 11 and the right side template 12 are correspondingly connected to the upright posts 1 on the left side and the right side of each frame unit in the trolley frame through the transverse support rods 13, 12 upright posts 1 are arranged in the whole trolley, and in order to ensure stability, two transverse support rods 13 which are distributed up and down are arranged on each upright post 1 in a matched mode, so that 24 transverse support rods 13 exist in the whole trolley. Every horizontal vaulting pole 13 comprises left side section pole, intermediate lever and right side section pole, and both ends are equipped with opposite screw and threaded connection left side section pole and right side section pole respectively about the intermediate lever, so design, through rotatory intermediate lever, can shorten or extend the interval of left side section pole and right side section pole to realize horizontal vaulting pole 13's flexible regulation. The one end of horizontal vaulting pole 13 is passed through the bolt fastening on the face of template subassembly, and the other end rotates through the round pin axle and connects on stand 1, and so design through the length of adjusting horizontal vaulting pole 13, can change the inclination and the distribution distance of template subassembly on the horizontal plane, satisfies the demand of different constructions guaranteeing that the template passes power under the stable prerequisite in the work progress.
When the side wall pouring trolley for the shield tunnel is used for side wall pouring construction of the shield tunnel, the side walls on two sides of the tunnel are synchronously poured, the construction progress is accelerated, concrete loads are transmitted to 6 frame units through the template assembly and are transmitted to the ground downwards, guide wheels at the left end and the right end of a cross beam are supported on the inner wall of a duct piece of the shield tunnel, and therefore the stability of the trolley is guaranteed against deviation;
the utility model can realize synchronous operation with shield construction, thereby greatly shortening the construction period; when needs platform truck gos forward one section distance, support rotatory upwards shrink with the lower margin to make action wheel and follow driving wheel can normal operating on the walking track, after one section distance of platform truck walking, support rotatory extension with the lower margin again and support on the walking track.
Claims (6)
1. A side wall pouring trolley for a shield tunnel is characterized by comprising a trolley body,
the trolley frame comprises a door-shaped frame, bottom longitudinal beams are respectively arranged on the left side and the right side of the bottom of the door-shaped frame, a plurality of telescopic ground foot supports are arranged at the bottom of each bottom longitudinal beam, and a driving wheel and a driven wheel are correspondingly arranged at the front end and the rear end of the bottom of each bottom longitudinal beam;
the walking mechanism comprises a track assembly, and the track assembly is used for bearing all ground foot supports and is matched with the driving wheel and the driven wheel to walk;
the template assembly comprises a left template and a right template, and the left template and the right template are correspondingly connected to the left side and the right side of the trolley frame through transverse support rods;
and the operating platform is arranged at the top of the trolley frame and used for concrete pouring construction.
2. The shield tunnel sidewall casting trolley according to claim 1, wherein the portal frame is composed of a plurality of frame units, the frame units are longitudinally distributed on the bottom longitudinal beam from front to back, and adjacent frame units are fixedly connected by a strut diagonal brace;
each frame unit comprises a cross beam and two stand columns, and the cross beam is fixedly connected with the two stand columns in a door shape.
3. The shield tunnel side wall pouring trolley according to claim 2, wherein in each frame unit, the bottoms of the left and right ends of the cross beam are fixedly connected with transverse hanging rails through longitudinal hanging rails, and each transverse hanging rail is provided with a chain block in a matched manner;
the left side template and the right side template are correspondingly connected to the upright columns on the left side and the right side in the trolley frame through the transverse support rods.
4. The shield tunnel sidewall casting trolley as claimed in claim 3, wherein guide wheels are provided at both left and right ends of the cross beam, each transverse supporting rod is composed of a left section rod, a middle rod and a right section rod, and opposite screws are provided at left and right ends of the middle rod respectively and are in threaded connection with the left section rod and the right section rod.
5. The shield tunnel side wall pouring trolley according to claim 1, wherein the driving wheel and the driven wheel each comprise a roller support, two rollers are rotatably connected in the roller supports along a front-back direction, a speed reduction motor is arranged on the top of the outer wall of the roller support of the driving wheel, and an output shaft of the speed reduction motor is in transmission connection with the rollers through a chain.
6. The shield tunnel side wall pouring trolley according to any one of claims 1-5, wherein a guardrail is arranged on the top of the operation platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122037858.3U CN215633018U (en) | 2021-08-27 | 2021-08-27 | Shield tunnel side wall pouring trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122037858.3U CN215633018U (en) | 2021-08-27 | 2021-08-27 | Shield tunnel side wall pouring trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633018U true CN215633018U (en) | 2022-01-25 |
Family
ID=79902993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122037858.3U Active CN215633018U (en) | 2021-08-27 | 2021-08-27 | Shield tunnel side wall pouring trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633018U (en) |
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2021
- 2021-08-27 CN CN202122037858.3U patent/CN215633018U/en active Active
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