CN212199898U - Roadbed bottom construction mold - Google Patents
Roadbed bottom construction mold Download PDFInfo
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- CN212199898U CN212199898U CN202020535650.7U CN202020535650U CN212199898U CN 212199898 U CN212199898 U CN 212199898U CN 202020535650 U CN202020535650 U CN 202020535650U CN 212199898 U CN212199898 U CN 212199898U
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Abstract
The utility model discloses a road bed bottom construction mould, including braced truss (1), walking part (2), basement surface template (3) and concrete inlet pipe (4), braced truss (1) includes many spinal branchs bracing piece (11), demountable installation between different bracing piece (11), walking part (2) set up the distolateral side at braced truss (1), including wheel carrier (22) and walking wheel (21) of installing on it, pass through height adjusting device (13) basement surface template (3) at the lower extreme of braced truss (1) and link to each other, the bottom of basement surface template (3) is the plane, is provided with viewing aperture (32) on it, the mould still has escape canal template (33), concrete inlet pipe (4) run through basement surface template (3), be provided with the vibration part on basement surface template (3). The utility model provides a railway roadbed construction mold has the basement and pours shaping, convenient to detach transports, can accurate control basement appearance advantage once satisfying.
Description
Technical Field
The utility model relates to a track traffic field, concretely relates to construction mould especially relates to a road bed bottom construction mould.
Background
The prefabricated track bed is the main product of the highest-grade vibration reduction of urban rail transit at present. The prefabricated track bed is characterized in that a prefabricated track bed plate, a vibration isolator and other components are arranged on a base which is constructed in advance to form a mass spring vibration isolation system, so that vibration reduction of a track is realized.
The quality control of the substrate becomes an industrial problem in the construction process, and the substrate control comprises the following steps: the elevation of the top surface of the substrate, the flatness of the top surface of the substrate, particularly the control of the inclined surface of a curved ultrahigh area, the control of a ditch and the like.
At present, a traditional identification method and a horizontal measurement method are adopted for substrate control in construction, but the design requirements of the substrate of the floating plate cannot be met, leveling treatment needs to be carried out after pouring is finished, and not only is construction quality influenced, but also construction progress is delayed. Mainly comprises the following aspects:
1. the construction process is uncontrollable, and professional measuring personnel are required to monitor the elevation of the poured concrete on the base in real time;
2. the curve section is uncontrollable in height, the initial setting time of concrete is long, concrete mortar at the curve ultrahigh position flows to the lower position under the action of gravity after construction by a general method to cause insufficient height, and the ultrahigh surface method meets the technical requirements of floating slab track bed construction;
3. after the pouring of the base concrete is finished, the work load of the top surface is large, the manual demand is large, and the flatness of the top surface on the base cannot meet the requirement;
4. the central ditch appearance is uncontrollable, and the in-process ditch template of pouring sets up deviation, concrete vibration not enough or the power of vibrating too big can lead to the ditch level to skew and/or the degree of depth can not satisfy the requirement, and then appears ponding when leading to the operation, brings the difficulty for track maintenance work.
The instability of the foundation construction quality can bring difficulty to the installation and construction of the upper floating slab system, increase the workload, increase the construction difficulty, increase the material consumption, and also need to carry out track line and slope adjustment when the construction deviation is large, thereby bringing a large amount of extra work. In addition, the unstable construction quality of the base is also unfavorable for the operation and maintenance in the normal operation stage, for example, the drainage is not smooth and easy caused by the unfavorable control of the depth of a ditch, and the problem of accumulated water drainage is brought.
Therefore, the prior art needs to research and design a mold suitable for foundation construction to ensure the quality of foundation construction.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above problems, the present inventors have conducted intensive studies to design a ballast bed bottom construction mold, which includes a support truss 1, a traveling member 2, a ground surface form 3, and a concrete feeding pipe 4, wherein,
the supporting truss 1 is a net structure and comprises a plurality of supporting rods 11, different supporting rods 11 are detachably arranged,
the walking component 2 is arranged at the end side of the supporting truss 1 and comprises a wheel carrier (22) and a walking wheel 21 arranged on the wheel carrier (22), the wheel carrier 22 is detachably arranged with the supporting truss 1, the wheel carrier 22 is provided with a telescopic part 222 capable of adjusting the height of the wheel carrier 22,
the lower end of the support truss 1 is connected with the ground surface template 3 through a height adjusting device 13,
the bottom of the basal surface template 3 is a plane and is provided with a sub-template 31 which can be split and combined, the basal surface template 3 is provided with a viewing port 32 which vertically penetrates through the basal surface template 3, the periphery of the viewing port 32 is provided with a baffle plate,
the base face template 3 has an upward bending angle at the contact position with the tunnel wall,
the ballast bed construction mold is further provided with a drainage ditch template 33, the bottom of the drainage ditch template 33 is downwards protruded from the bottom surface of the base surface template 3,
the concrete feeding pipe 4 is arranged on the basal surface template 3, penetrates through the basal surface template 3,
a vibration member is provided on the ground surface pattern plate 3.
Further, the support rods 11 have external threads at both ends thereof, and different support rods 11 are connected to each other by means of screw joints 12.
According to the utility model discloses, be provided with CPIII measuring device 14 on the braced truss 1.
In a preferred embodiment, the section of the connecting position between the wheel frame 22 and the support rod 11 is C-shaped, and the wheel frame 22 is further provided with a fastening bolt 221.
The telescopic part 222 includes a wheel frame lead screw 2221 and a fixing nut 2222 threadedly connected with the wheel frame lead screw 2221.
A lead screw locking nut 2223 is also provided on the fixing nut 2222.
According to a preferred embodiment of the present invention, the wheel frame 22 is further provided with a locking structure.
The height adjusting device 13 has a fixing plate 131 and a connecting screw 132, the fixing plate 131 has a sleeve, and is sleeved on the support rod 11, the fixing plate 131 has a through hole, the connecting screw 132 passes through the through hole, and an adjusting nut 133 sleeved on the connecting screw 132 is arranged above the through hole of the fixing plate 131.
Further, a fastening nut 134 is further provided on the connecting screw 132,
a locking rod 135 is arranged between adjacent height adjusting devices 13, and the locking rod 135 is connected with the connecting screw 132 through a snap fit.
Preferably, the sub-template 31 is connected with the base surface template 3 by means of snap-fit, a sealing strip is arranged at the joint position of the sub-template 31 and the base surface template 3,
the drainage ditch template 33 is connected with the base surface template 3 in a buckling splicing mode, and sealing strips are arranged at the connecting positions.
The utility model provides a railway roadbed construction mould has following beneficial effect:
(1) according to the ballast bed bottom construction mold provided by the utility model, the one-step pouring molding of the foundation can be satisfied;
(2) according to the utility model, the construction mould at the bottom of the ballast bed can be recycled;
(3) according to the roadbed bottom construction mould provided by the utility model, the removal and the transportation are convenient;
(4) according to the roadbed bottom construction mold provided by the utility model, the height can be adjusted to meet the construction requirement of the curved section floating plate substrate;
(5) according to the utility model provides a mould is under construction at bottom of ballast bed, but the accurate control basement appearance, including basement top surface elevation, basement face roughness, there is fine control action to curve superelevation district top surface control, ditch appearance control etc. very much.
Drawings
Fig. 1 is a schematic view showing an overall structure of a ballast bed construction mold according to a preferred embodiment of the present invention;
fig. 2 is a schematic view illustrating a structure of a roadbed construction mold supporting truss according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a walking part of a roadbed construction mold according to a preferred embodiment of the invention;
fig. 4 is a schematic structural view of a ballast bed construction mold height adjusting device according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural view of a ballast bed construction mold height adjusting device according to a preferred embodiment of the present invention;
fig. 6 shows a schematic structural diagram of a foundation slab of a ballast bed construction mold according to a preferred embodiment of the present invention.
The reference numbers illustrate:
1-supporting a truss;
11-a support bar;
12-a threaded joint;
13-height adjustment means;
131-a fixed plate;
132-connecting lead screw;
133-an adjusting nut;
134-fastening nuts;
135-a locking bar;
14-CPIII measurement device;
2-a walking part;
21-a travelling wheel;
22-a wheel carrier;
221-fastening bolts;
222-a telescoping section;
2221-wheel carrier screw;
2222-fixing nut;
2223-screw locking nut;
3-base surface template;
31-sub-template;
32-a viewing port;
33-drainage ditch template;
4-concrete feeding pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. The features and advantages of the present invention will become more apparent from the description.
In which, although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model provides a road bed bottom construction mould is used for the shaping of pouring to the basement in track basement work progress, and it includes braced truss 1, running part 2, basal plane template 3 and concrete inlet pipe 4, as shown in figure 1.
The supporting truss 1 is of a net structure and comprises a plurality of supporting rods 11, and the supporting rods 11 are detachably mounted in different positions, so that the length and width directions of the supporting truss 1 can be expanded, and the length and width of the supporting truss 1 can be reasonably expanded according to different construction requirements in the using process.
In a preferred embodiment, the two ends of the supporting rods 11 are provided with external threads, and different supporting rods 11 are connected with each other through the threaded joints 12 to form the supporting truss 1, so that the supporting rods 11 are firmly and stably connected with each other, the structural stability of the supporting truss 1 is improved, the supporting truss is convenient to disassemble, and the flexibility of the mold is improved.
According to the utility model discloses, still be provided with CPIII measuring device 14 on the braced truss 1 to measure the basement plane. In the present invention, the CPIII measuring apparatus is not particularly limited, and may be any currently known CPIII measuring apparatus.
At the end side of the support girder 1, a traveling member 2 is provided, and as shown in fig. 1, the traveling member 2 includes a wheel frame 22 and a traveling wheel 21 mounted thereon.
Preferably, the number of the walking wheels 21 is 4, so as to better support the support truss 1.
The utility model discloses in, walking wheel 21 can be any kind of wheel, preferably the rubber tyer walking wheel 21 is last to have anti-skidding decorative pattern to guarantee that the construction mould does not have relative slip with the tunnel wall at the bottom of the ballast bed in the work progress.
The wheel frame 22 is connected with the wheel shaft of the walking wheel 21, and the wheel frame 22 and the supporting truss 1 are detachably installed.
In a preferred embodiment, the wheel frame 22 is sleeved on the support rod 11, as shown in fig. 3, the cross section of the connection position between the wheel frame 22 and the support rod 11 is C-shaped, and the wheel frame 22 is further provided with a fastening bolt 221, and the wheel frame 22 and the support rod 11 are fixedly connected by screwing the fastening bolt 221. By the aid of the connecting mode, the wheel frame 22 and the supporting rod 11 can be quickly disassembled and assembled, and the connecting angle between the wheel frame 22 and the supporting truss 1 can be adjusted, so that the connecting mode can adapt to different construction environments.
According to the utility model discloses, still set up the pars contractilis 222 of adjustable wheel carrier 22 height on the wheel carrier 22 the utility model discloses in, pars contractilis 222 can be arbitrary one kind can realize the structure of altitude mixture control, for example hydraulic structure etc.. Preferably, as shown in fig. 3, the telescopic part 222 includes a wheel frame lead screw 2221 and a fixing nut 2222 in threaded connection with the wheel frame lead screw 2221, and the wheel frame lead screw 2221 moves on the fixing nut 2222 by screwing the wheel frame lead screw 2221, so that the height adjustment of the telescopic part 222 is realized.
In a more preferred embodiment, the fixing nut 2222 further has a screw locking nut 2223 thereon to lock the wheel carrier screw 2221.
In a preferred embodiment, the wheel frame 22 is further provided with a locking structure, such as a brake pad, a brake disc, etc., to control the rotation of the road wheels 21.
Below the support girder 1, it is also connected to the ground cover formwork 3 by means of a height adjustment device 13, which height adjustment device 13 is able to adjust the distance between the ground cover formwork 3 and the support girder 1, as shown in fig. 1.
The height adjusting device 13 is fixed on the support truss 1, and preferably is sleeved on the support rod 11.
Further, the height adjusting device 13 has a fixing plate 131, a connecting screw 132 and an adjusting nut 133, as shown in fig. 4, the fixing plate 131 has a sleeve which can be sleeved on the supporting rod 11, the fixing plate 131 has a through hole, and the connecting screw 132 passes through the through hole.
An adjusting nut 133 is arranged above the through hole of the fixing plate 131, the adjusting nut 133 is sleeved on the connecting screw rod 132, and the relative position of the connecting screw rod 132 relative to the fixing plate 131 is adjusted by screwing the adjusting nut 133, so that the height of the basal surface template 3 is adjusted.
In a preferred embodiment, a fastening nut 134 is further provided on the connecting screw 132, as shown in fig. 5, below the fixing plate 131, and cooperates with the adjusting nut 133 to fasten the connecting screw 132 to the fixing plate 131.
According to the present invention, said height adjustment means 13 are provided in plurality, to share the weight of the footing face formwork 3, preferably in two, symmetrically distributed under the support truss 1.
In a more preferred embodiment, a locking rod 135 is further disposed between adjacent height adjusting devices 13, as shown in fig. 1, the locking rod 135 is connected with the connecting screw 132 by a snap fit, which can ensure consistent height after adjusting different height adjusting devices 13, and can prevent the problem that the height of the ground surface formwork 3 is changed due to the sliding of the adjusting nut 133 during the construction process.
The bottom of the base surface template 3 is a plane and is in contact with the upper surface of the base poured concrete in the construction process so as to ensure that the surface of the poured base surface is flat.
In a preferred embodiment, the basal surface template 3 has a detachable sub-template 31 to expand the length and width of the basal surface template 3 and disassemble the mold, as shown in fig. 6, and further, the sub-template 31 and the basal surface template 3 are connected together by means of snap-fit.
More preferably, a sealing strip is further provided at the splicing position of the sub-formwork 31 and the ground surface formwork 3, so as to prevent concrete from flowing out from the seam of the ground surface formwork 3 during casting.
According to the utility model discloses, still be provided with the viewing aperture 32 that runs through basement face template 3 from top to bottom on the basement face template 3 to whether the observation concreting fills up and is full of whole basement.
Preferably, the viewing port 32 is rectangular in cross-section and has baffles around its perimeter to prevent poured concrete from flowing out of the viewing port 32 onto the ground cover formwork 3.
In a preferred embodiment, the contact position of the base surface formwork 3 and the tunnel wall has an upward bending angle, as shown in fig. 1, and the bending angle is designed so that concrete cannot overflow the base surface formwork 3 from the edge position of the base surface formwork 3 during the casting process, thereby facilitating the disassembly of the subsequent bed bottom construction mold after the base casting is completed.
According to the utility model discloses, the construction mould still has escape canal template 33 at the bottom of the railway roadbed, as shown in fig. 1, escape canal template 33 connects basal surface template 3, preferably connects through the mode of buckle concatenation, more preferably, still is provided with the sealing strip at hookup location. The bottom of the drainage ditch template 33 protrudes downwards from the plane of the substrate surface template 3, so that the poured substrate is provided with a groove to realize drainage, the shape of the drainage ditch template 33 can be designed according to the actual construction requirement, and the cross section of the drainage ditch template can be semicircular, rectangular, triangular, polygonal or other shapes capable of realizing the drainage requirement.
The concrete feeding pipe 4 is arranged on the base surface formwork 3, penetrates through the base surface formwork 3, and pours concrete into a base space below the base surface formwork 3 through the concrete feeding pipe 4 so as to realize pouring.
In a preferred embodiment, the upper pipe diameter of the concrete feeding pipe 4 is larger than the lower pipe diameter, so as to facilitate the pouring of concrete.
The utility model discloses in still be provided with the vibration part on the basal surface template 3, the vibration part can vibrate basal surface template 3 to in pour the air between in-process discharge substrate upper surface and the basal surface template 3, guarantee to pour the level and smooth of the substrate upper surface after accomplishing.
The present invention is not particularly limited to the vibration member, and any member may be used as long as it can vibrate, for example, a vibration motor.
The present invention has been described above in connection with preferred embodiments, which are merely exemplary and illustrative. On this basis, can be right the utility model discloses carry out multiple replacement and improvement, these all fall into the utility model discloses a protection scope.
Claims (10)
1. A roadbed bottom construction mould comprises a support truss (1), a walking part (2), a base surface template (3) and a concrete feeding pipe (4), wherein,
the supporting truss (1) is of a net structure and comprises a plurality of supporting rods (11), different supporting rods (11) are detachably arranged,
the walking part (2) is arranged at the end side of the supporting truss (1) and comprises a wheel carrier (22) and walking wheels (21) arranged on the wheel carrier, the wheel carrier (22) and the supporting truss (1) are detachably arranged, a telescopic part (222) capable of adjusting the height of the wheel carrier (22) is arranged on the wheel carrier (22),
the lower end of the supporting truss (1) is connected with the base surface template (3) through a height adjusting device (13),
the base surface template (3) is provided with an observation port (32) which vertically penetrates through the base surface template (3),
the contact position of the base surface template (3) and the tunnel wall is provided with an upward bending angle,
the track bed bottom construction mould is also provided with a drainage ditch template (33), the bottom of the drainage ditch template (33) downwards protrudes out of the bottom surface of the base surface template (3),
the concrete feeding pipe (4) is arranged on the base surface template (3) and penetrates through the base surface template (3).
2. The ballast bed construction mould according to claim 1, wherein the support rods (11) are externally threaded at both ends, and the different support rods (11) are connected to each other by means of threaded joints (12).
3. Ballast bed construction mould according to claim 1, characterised in that the support girder (1) is provided with CPIII measuring means (14),
and a vibration part is arranged on the base surface template (3).
4. The ballast bed construction mold according to claim 1, wherein the section of the connecting position of the wheel frame (22) and the support rod (11) is C-shaped, and the wheel frame (22) is further provided with a fastening bolt (221).
5. The roadbed construction mould according to claim 1, wherein the telescopic part (222) comprises a wheel carrier screw (2221) and a fixing nut (2222) in threaded connection with the wheel carrier screw (2221).
6. The roadbed construction mould according to claim 5, characterized in that a screw locking nut (2223) is also provided on the fixing nut (2222).
7. The ballast bed constructing mold according to claim 1, wherein the wheel frame (22) is further provided with a locking structure.
8. The ballast bed construction mold according to claim 1, wherein the height adjusting device (13) has a fixing plate (131) and a connecting screw (132), the fixing plate (131) has a sleeve which is fitted over the support rod (11), the fixing plate (131) has a through hole, the connecting screw (132) passes through the through hole, and an adjusting nut (133) which is fitted over the connecting screw (132) is provided above the through hole of the fixing plate (131).
9. The ballast bed constructing mold according to claim 8, wherein a fastening nut (134) is further provided on the connecting screw (132),
a locking rod (135) is arranged between the adjacent height adjusting devices (13), and the locking rod (135) is connected with the connecting screw rod (132) through a buckle.
10. The ballast bed construction mold according to claim 1, wherein the bottom of the base surface mold plate (3) is a plane, the base surface mold plate is provided with a sub-mold plate (31) which can be disassembled and assembled, the sub-mold plate (31) is connected with the base surface mold plate (3) in a snap-fit manner, a sealing strip is arranged at the splicing position of the sub-mold plate (31) and the base surface mold plate (3),
the periphery of the observation port (32) is provided with a baffle plate,
the drainage ditch template (33) is connected with the substrate surface template (3) in a buckling and splicing mode, and sealing strips are arranged at the connecting positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535650.7U CN212199898U (en) | 2020-04-13 | 2020-04-13 | Roadbed bottom construction mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535650.7U CN212199898U (en) | 2020-04-13 | 2020-04-13 | Roadbed bottom construction mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212199898U true CN212199898U (en) | 2020-12-22 |
Family
ID=73832433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020535650.7U Active CN212199898U (en) | 2020-04-13 | 2020-04-13 | Roadbed bottom construction mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212199898U (en) |
-
2020
- 2020-04-13 CN CN202020535650.7U patent/CN212199898U/en active Active
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