CN218198256U - Antiskid sand laying device based on rail transport vehicle in tunnel - Google Patents
Antiskid sand laying device based on rail transport vehicle in tunnel Download PDFInfo
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- CN218198256U CN218198256U CN202222885115.6U CN202222885115U CN218198256U CN 218198256 U CN218198256 U CN 218198256U CN 202222885115 U CN202222885115 U CN 202222885115U CN 218198256 U CN218198256 U CN 218198256U
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Abstract
The utility model discloses an antiskid sand laying device based on a rail transport vehicle in a tunnel, which mainly comprises a sand storage box arranged at the front part of the transport vehicle in the tunnel, wherein a sand outlet at the bottom of the sand storage box is connected with a sand flowing pipe through a three-way pipe, and the sand outlet of the sand flowing pipe is positioned above the rail of the transport vehicle; and a self-reset pneumatic butterfly valve for controlling the circulation of a pipeline is arranged between the sand outlet at the bottom of the sand storage box and the three-way pipe, the self-reset pneumatic butterfly valve is connected with an air compressor on a transport vehicle and is electrically connected with an electric control system of a cab of the transport vehicle, and the self-reset pneumatic butterfly valve is controlled by a control button on a control panel of the electric control system so as to realize the communication and the partition of the sand outlet at the bottom of the sand storage box and the three-way pipe. This application is through setting up from pneumatic butterfly valve that restores to throne between sand storage box and three-way pipe, through control button on the electrical system control panel can realize right from the control of pneumatic butterfly valve that restores to throne, and then realize the control to spilling husky, simple structure, convenient operation.
Description
Technical Field
The application relates to the technical field of tunnel construction equipment, in particular to an antiskid sand laying device based on a rail transport vehicle in a tunnel.
Background
Tunnels are built underground, underwater or in mountains for laying railways or constructing highways for motor vehicles to pass through. The tunnel construction process mainly comprises the work of tunnel planning, surveying, designing, through control measurement, construction and the like, so the tunnel construction process is complicated and complex. After the tunnel is excavated by a shield machine and segments are assembled, an internal structure needs to be further built to meet the operation requirement of highway or rail traffic, and the construction period and the cost control difficulty are high due to the series of problems of poor operation environment, difficult control of structure quality, difficult construction organization and the like in the cast-in-place of the internal structure of the tunnel, so that the development of the assembled construction inside the tunnel is great tendency.
The material transportation and the dregs transportation in the tunnel generally adopt a rail transport vehicle which transports the materials along a walking rail. Because subway tunnel construction belongs to the underground works construction, generally more moist in the tunnel, when having earth to drop and pollute the walking track in the tunnel, the phenomenon of skidding can appear in the rail transport vechicle, especially when heavy load climbing operation, earth drop phenomenon frequently, and the phenomenon of skidding can aggravate, has certain potential safety hazard.
The inventor knows a rail-mounted transport vechicle antiskid sand scattering device for subway tunnel construction (document number CN 202220926307.4), and this kind of device is equipped with driving sprocket, drive arrangement and pivot, and the drive of accessible manual pedal or motor drive's mode realization driving sprocket to realize the antiskid of spilling sand, but this kind of structure is comparatively complicated, and the operation is inconvenient, consequently needs a simple structure, the simple operation's antiskid of spilling sand.
The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The inventor finds in long-term tunnel construction practice: the existing antiskid sand scattering device is complex in structure, and at least another worker except a transport vehicle needs to be driven to control the device in operation, so that the device is troublesome and the material transportation efficiency is low.
In view of at least one of the above technical problems, the present disclosure provides an antiskid sand arrangement device based on a rail transport cart in a tunnel, which is characterized in that a self-reset pneumatic butterfly valve is arranged between a sand outlet at the bottom of a sand storage box and a three-way pipe, the self-reset pneumatic butterfly valve is electrically connected with an electric control system of the transport cart, the self-reset pneumatic butterfly valve is controlled by a control button on a control panel of the electric control system, and then the communication and the partition between the sand outlet at the bottom of the sand storage box and the three-way pipe are realized, so that a transport cart driver can complete sand spreading control by one person, and the antiskid sand arrangement device is simple in operation, convenient and rapid.
According to one aspect of the disclosure, an anti-skid sand laying device based on a rail transport vehicle in a tunnel comprises a sand storage box arranged at the front part of the rail transport vehicle in the tunnel, wherein a sand outlet at the bottom of the sand storage box is connected with a sand flowing pipe through a three-way pipe, and the sand outlet of the sand flowing pipe is positioned above a track of the transport vehicle;
a self-reset pneumatic butterfly valve for controlling whether a pipeline is communicated or not is arranged between the sand outlet at the bottom of the sand storage box and the three-way pipe, the self-reset pneumatic butterfly valve is connected with an air compressor on the transport vehicle to provide pressure of the air compressor, and is electrically connected with an electric control system of a cab of the rail transport vehicle, and the self-reset pneumatic butterfly valve is controlled by a control button on a control panel of the electric control system so as to realize communication and partition of the sand outlet at the bottom of the sand storage box and the three-way pipe.
In some embodiments of the present disclosure, a waterproof cover plate is disposed on the top of the sand storage box to prevent fine sand in the sand storage box from being affected with damp, so that the fine sand is kept dry.
If the fine sand is affected with damp, the sand outlet or the three-way pipe of the sand storage box or the self-resetting pneumatic butterfly valve can be blocked, and the skid resistance of the transport vehicle is adversely affected.
In some embodiments of the present disclosure, the sand outlet of the sand flow pipe is located 3-7cm above the track of the carrier vehicle.
The distance is not suitable to be too large, if the distance is too large, the sand falling point is not easy to control, and if the distance is too small, the phenomenon of fine sand accumulation is easy to occur.
In some embodiments of the present disclosure, the tee is a "Y" tee to connect two of the sand flow pipes to sand two tracks of a transport vehicle.
The Y-shaped three-way pipe can ensure that the two quicksand pipes uniformly discharge sand.
In some embodiments of the present disclosure, the sand outlets of the two sand flowing pipes are circular, and the centers of the sand flowing pipes are aligned with the center line of the rail surface of the carrier rail, so that the fine sand is uniformly scattered on the carrier rail.
In some embodiments of the disclosure, the sand storage box has a volume of 0.2-0.26m for accommodating space in the tunnel and ensuring sanding amount.
Because the space in the tunnel is limited, consequently the volume of storing up the sandbox can not too big, if the volume is too big then can't pass through the tunnel freely, if the volume is undersize, then need frequently add husky, improve intensity of labour, consequently, according to actual tunnel size and the comprehensive consideration of sanding quantity, set up the volume of storing up the sandbox into 0.2-0.26 m.
In some embodiments of the present disclosure, the specification of the self-resetting pneumatic butterfly valve is DN50 caliber.
In some embodiments of the present disclosure, the sandpipe is rated DN20 gauge.
If the caliber of the self-resetting pneumatic butterfly valve or the sand flowing pipe is too large, the sand output amount is not easy to control, and if the caliber is too small, the blockage is easy to cause.
One or more technical solutions provided in the embodiments of the present application have at least any one of the following technical effects or advantages:
this application is through setting up from pneumatic butterfly valve that resets between sand storage box and three-way pipe, and will from the electrical system of pneumatic butterfly valve electricity connection transport vechicle that resets, through control button on the electrical system control panel can realize right from the control of pneumatic butterfly valve that resets, and then realize the control to spilling husky, simple structure, low in manufacturing cost, convenient operation, easy operation is maintained.
Drawings
Fig. 1 is a schematic structural diagram according to an embodiment of the present application.
Fig. 2 is a schematic structural view of the transportation vehicle mounted with the embodiment of the present application.
Fig. 3 is a control circuit diagram according to an embodiment of the present application.
In the above figures, 1 is a sand storage box, 2 is a self-resetting pneumatic butterfly valve, 3 is a Y-shaped three-way pipe, 4 is a quicksand pipe, 5 is a transport vehicle, and 6 is a track.
Detailed Description
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application. References in this application to "first," "second," etc. are used to distinguish between the objects described and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application includes both direct and indirect connections (couplings), unless otherwise specified.
The unit modules, components, structures, mechanisms and other devices in the following examples are all conventional and commercially available products unless otherwise specified.
The embodiment of the application lays device through providing an antiskid sand based on there is rail transport vechicle in tunnel, has solved current antiskid sand scattering device structure complicacy, the inconvenient technical problem of operation, through storing up the setting between sandbox and three-way pipe from the pneumatic butterfly valve that restores to the throne, and will from the electrical system of the pneumatic butterfly valve electricity transport vechicle that restores to the throne, through control button on the electrical system control panel can realize right from the control of the pneumatic butterfly valve that restores to the throne, and then realize simple structure, convenient operation to the control of sand scattering.
Technical scheme in the embodiment of this application is weak and easy damaged technical problem for solving above-mentioned prefabricated component bearing capacity, and the general thinking is as follows: and a self-reset pneumatic butterfly valve for controlling the circulation of a pipeline is arranged between the sand outlet at the bottom of the sand storage box and the three-way pipe, the self-reset pneumatic butterfly valve is connected with an air compressor on a transport vehicle to provide pressure of the air compressor, and is electrically connected with an electric control system of a cab of the rail transport vehicle, and the self-reset pneumatic butterfly valve is controlled by a control button on a control panel of the electric control system so as to realize the communication and the partition of the sand outlet at the bottom of the sand storage box and the three-way pipe.
Above-mentioned control button sets up in the rail transport vechicle driver's cabin, and the driver passes through control button realizes the control to the action of spilling sand, simple structure, and the simple operation has solved prior art structure complicacy effectively, the technical problem of the operational difficulty.
In order to better understand the technical scheme of the application, the technical scheme is described in detail in the following with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment discloses an anti-skid sand arrangement device based on a rail transport vehicle in a tunnel, which comprises a sand storage box arranged at the front part of the rail transport vehicle in the tunnel, wherein the front part of the rail transport vehicle refers to the front part of the advancing direction of the rail transport vehicle, a sand outlet at the bottom of the sand storage box is connected with a sand flowing pipe through a three-way pipe, the three-way pipe is a Y-shaped three-way pipe, the three-way pipe is connected with a left sand flowing pipe and a right sand flowing pipe, and the sand outlet of the sand flowing pipe is positioned above a track of the transport vehicle.
Further, the distance between the sand outlet of the sand flow pipe and the rail is set to 3-7cm, preferably 5cm, because the sand flow pipe is difficult to control the sand falling point if the distance is too large, the sand flow pipe is easy to accumulate if the distance is too small, and the sand flow pipe is easy to collide with the rail at the ascending section of the transport vehicle, which causes damage to the device.
In addition, a self-reset pneumatic butterfly valve for controlling whether a pipeline circulates or not is arranged between the sand outlet at the bottom of the sand storage box and the three-way pipe, the self-reset pneumatic butterfly valve is connected with an air compressor on the transport vehicle to provide pressure (an air compressor is not required to be additionally arranged, the air compressor of the transport vehicle can be directly used, the self-reset pneumatic butterfly valve is simple and convenient), the self-reset pneumatic butterfly valve is electrically connected with an electric control system of a cab of the rail transport vehicle, the self-reset pneumatic butterfly valve is controlled through a control button on a control panel of the electric control system, so that the sand outlet at the bottom of the sand storage box is communicated with and separated from the three-way pipe, a control circuit diagram is shown in fig. 3, and the control button is further connected with an electric leakage breaker to ensure circuit safety.
Furthermore, a control button is arranged in a cab of the transport vehicle and is controlled by a driver, and the device is controlled by adopting 24V direct current safe voltage.
Preferably, the sand outlets of the two sand flowing pipes are circular, and the centers of the sand flowing pipes are aligned with the central line of the rail surface of the carrier rail, so that fine sand is uniformly scattered on the carrier rail.
In addition, the volume of sand storage box is 0.2-0.26m for carrying out heavy planting to adapt to the space in the tunnel and ensure the sanding amount. Because the space in the tunnel is limited, consequently the volume of storing up the sandbox can not be too big, if the volume is too big then can't pass through the tunnel freely, if the volume is too little, need frequently add husky, improve intensity of labour, consequently, according to actual tunnel size and the comprehensive consideration of the volume of spilling husky, set up the volume of storing up the sandbox and carry out the heavy industry to 0.2-0.26m, as preferred, set up its volume to 0.3 m. Preferably, the bottom of the sand storage box is designed to be conical, so that sand can be conveniently discharged, and fine sand at the bottom can be prevented from being accumulated. In addition, all parts of the device adopt universal parts, so that the device is convenient to assemble, disassemble, adjust and overhaul, and the manufacturing cost and the maintenance cost are low; the fine sand comes from construction materials, and one box of fine sand can be used for several times, so that the cost is saved.
The specification of the self-resetting pneumatic butterfly valve is DN50 calibers, and the specification of the sand flowing pipe is DN20 calibers. If the caliber of the self-resetting pneumatic butterfly valve or the sand flowing pipe is too large, the sand output amount is not easy to control, and if the caliber is too small, blockage is easy to cause.
The use method of the antiskid sand arrangement device comprises the following steps:
as shown in figure 2, with this device through welding or bolted connection setting in the front portion of transport vechicle, set up the front portion at transport vechicle direction of advance promptly, concrete setting mode can be selected according to actual conditions, in order to spill fine sand on the track, increase the frictional force between transport vechicle wheel and rail surface, improve the climbing ability of transport vechicle, prevent that the transport vechicle wheel from skidding and causing the swift current car, make the transport vechicle can go at the great highway section of slope steadily safely, the driver presses control button, automatic sand scattering can be realized to this device, and is simple and convenient, need not to dispose the power supply alone.
Although preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the invention in the present application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. An anti-skid sand laying device based on a rail transport vehicle in a tunnel is characterized by comprising a sand storage box arranged at the front part of the rail transport vehicle in the tunnel, wherein a sand outlet at the bottom of the sand storage box is connected with a sand flowing pipe through a three-way pipe, and the sand outlet of the sand flowing pipe is positioned above a track of the transport vehicle;
a self-reset pneumatic butterfly valve for controlling whether a pipeline is communicated or not is arranged between the sand outlet at the bottom of the sand storage box and the three-way pipe, the self-reset pneumatic butterfly valve is driven by an air compressor on the transport vehicle and is electrically connected with an electric control system of a cab of the rail transport vehicle, and the self-reset pneumatic butterfly valve is controlled by a control button on a control panel of the electric control system so as to realize the communication and the partition of the sand outlet at the bottom of the sand storage box and the three-way pipe.
2. The device for laying antiskid sand according to claim 1, wherein a waterproof cover plate is arranged at the top of the sand storage box.
3. The sand slide prevention distribution device of claim 1, wherein the sand outlet of the sand flow pipe is located 3-7cm above the track of the transport vehicle.
4. The device of claim 1, wherein the tee is a "Y" tee to connect two sand running pipes to sand two tracks of a transport vehicle.
5. The antiskid sand laying device as claimed in claim 4, wherein the sand outlets of the two sand flow pipes are circular and the centers of the sand flow pipes are aligned with the center line of the rail surface of the rail of the carrier so that the fine sand is uniformly scattered on the rail of the carrier.
6. The device of claim 1, wherein the sand storage bin has a volume ranging from 0.2 to 0.26 m.
7. The anti-slippery sand laying apparatus of claim 1, wherein the specification of the self-resetting pneumatic butterfly valve is DN50 calibre.
8. The antiskid sand laying apparatus of claim 1, wherein the specification of the sand flow pipe is DN20 caliber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222885115.6U CN218198256U (en) | 2022-10-31 | 2022-10-31 | Antiskid sand laying device based on rail transport vehicle in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222885115.6U CN218198256U (en) | 2022-10-31 | 2022-10-31 | Antiskid sand laying device based on rail transport vehicle in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218198256U true CN218198256U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222885115.6U Active CN218198256U (en) | 2022-10-31 | 2022-10-31 | Antiskid sand laying device based on rail transport vehicle in tunnel |
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| Country | Link |
|---|---|
| CN (1) | CN218198256U (en) |
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2022
- 2022-10-31 CN CN202222885115.6U patent/CN218198256U/en active Active
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