CN215204849U - High-temperature failure warning device for railway wagon brake system - Google Patents
High-temperature failure warning device for railway wagon brake system Download PDFInfo
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- CN215204849U CN215204849U CN202121433375.9U CN202121433375U CN215204849U CN 215204849 U CN215204849 U CN 215204849U CN 202121433375 U CN202121433375 U CN 202121433375U CN 215204849 U CN215204849 U CN 215204849U
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Abstract
The utility model discloses a railway freight car braking system high temperature failure warning device. The device comprises a pointer device, a warning board and/or a pressure release valve which are arranged on the railway wagon; the pointer device comprises a mounting seat, a pointer, a round pin, a fusing pin and a warning mark; the pressure relief valve comprises a valve body and a valve core; the warning board is a square warning board made of temperature-sensing color-changing materials and is adhered to or hung on the outer side of the truck body. The utility model discloses the colour or the pointer position that braking system high temperature became invalid warning device passes through the warning sign change, combine the relief valve to leak, produce during the freight train operation of unfreezing, the non-metallic member high temperature of braking system that can't follow the outward appearance and observe the judgement became invalid the trouble and show with obvious, audio-visual mode, and can play dual warning effect, make things convenient for vehicle inspection personnel, locomotive driver discovers rapidly before driving, the non-metallic member high temperature of vehicle braking system that accurately inspects became invalid the trouble, the trouble risk is eliminated, guarantee railway driving safety.
Description
Technical Field
The utility model belongs to the technical field of the railway equipment design, especially, belong to the temperature control equipment design technique among the railway equipment, relate to a railway freight car braking system high temperature inefficacy warning device.
Background
The main tasks of China for railway transportation of coal are general open wagons, special open wagons for coal transportation and hopper wagons, and the number of the general open wagons, the special open wagons for coal transportation and the hopper wagons is hundreds of thousands. The railway wagons are not provided with top covers, the loaded coal can be soaked by rainwater in rainy and snowy days, the water-containing coal is very easy to freeze into large blocks in northern winter cold weather, even the coal is frozen with a wagon body into a whole and cannot be unloaded from the wagon, so that the coal wagons need to be firstly driven into a thawing warehouse at about 100 ℃, high-temperature steam is usually used as a heating medium to thaw the coal, and then the coal unloading operation is carried out. During the heating and unfreezing period, the temperature in the unfreezing warehouse is very high, the human body can be burned, and personnel can not enter the unfreezing warehouse to measure the unfreezing temperature of each truck one by one.
The train is composed of locomotive and connected vehicles, the main brake pipe of each vehicle is connected with the main brake pipe of the locomotive, the train brake command is transmitted by the pressure air in the main brake pipe, which is called 'wind' control for short, and the brake control device on the locomotive controls the charging and discharging of the main brake pipe. Before driving, locomotive driver needs to check the leakage of brake main pipe, and the leakage is less than the specified standard, otherwise, the locomotive driver needs to stop checking to eliminate leakage fault.
The railway wagon braking system comprises accessories such as an auxiliary air cylinder, a working air cylinder, a braking control valve, a brake cylinder, a braking main pipe, a branch pipe and the like, and is usually arranged at the bottom of a wagon, wherein the auxiliary air cylinder is used for storing pressure air provided by a locomotive, a plug which is connected through threads and used for discharging accumulated water in the cylinder is arranged at the bottom of the auxiliary air cylinder, and the auxiliary air cylinder supplies air to the working air cylinder and the brake cylinder when a vehicle brakes. The brake control valve is a core brake component of the vehicle, and controls the charging and discharging of the auxiliary air cylinder, the working air cylinder and the brake cylinder according to a brake signal sent by the locomotive. When the brake main pipe exhausts air, the brake control valve executes a brake command, the brake control valve is communicated with an air charging air passage of the brake cylinder, a piston rod of the brake cylinder is pushed out to drive the brake shoe to tightly hold the wheel, vehicle braking is carried out, when braking needs to be relieved, namely relieving, the locomotive brake device charges air to the brake main pipe, the brake control valve of the truck executes a relieving command, the air exhausting air passage of the brake cylinder is communicated, the brake shoe loses pressing force generated by the piston rod of the brake cylinder, and the brake shoe is separated from the wheel to relieve the vehicle.
Non-metal parts such as rubber are used among the brake control valve, the brake cylinder and the pipe joint of the railway wagon, and the non-metal parts are arranged inside the brake element and cannot be seen outside the wagon. Under the influence of various factors, the temperature in the unfreezing warehouse is not constant during the unfreezing operation, the temperature in the warehouse is difficult to be completely uniform, the temperature at the outlets of heating media such as high-temperature steam and the like is sometimes greatly higher than 100 ℃, non-metal parts of a brake system of a railway wagon are often failed, a brake command sent by a locomotive cannot be normally executed, and the running safety of the railway wagon is endangered.
Therefore, a novel railway wagon brake system high-temperature failure warning device convenient to observe and use needs to be designed.
Disclosure of Invention
The utility model discloses a railway freight car braking system high temperature inefficacy warning device according to prior art's not enough. The utility model aims at providing a can be directly perceived, conveniently know the warning device of railway freight car braking system high temperature failure state.
The utility model aims at realizing through the following technical scheme:
railway freight car braking system high temperature failure warning device, including having the fusible alloy who sets for melting temperature, its characterized in that: the warning device comprises a pointer device, a warning board and/or a pressure release valve which are arranged on the railway wagon;
the pointer device comprises a mounting seat, a pointer, a round pin, a fusing pin and a warning mark; wherein, the mounting seat is rectangular and is horizontally arranged and fixed on the vehicle body; the end part of the mounting seat is respectively provided with a first groove, the inner side surface of the mounting seat is provided with a second groove, one end of the mounting seat is provided with a first round hole matched with the outer diameter of the round pin, and the other end of the mounting seat is provided with a second round hole matched with the outer diameter of the fusing pin; the pointer is in a long strip shape, the two ends of the pointer are respectively provided with a third round hole, the pointer is horizontally hinged in the first groove of the mounting seat through a round pin and a fusing pin, and the warning mark is fixedly connected in the second groove of the mounting seat;
the pressure relief valve comprises a valve body and a valve core; the valve body is a combined structure of a cylinder with external threads and a polyhedron, a pressure relief hole penetrating through the valve body is formed in the central axis direction of the valve body, and a valve core made of fusible alloy is plugged in the pressure relief hole; the pressure relief valve is arranged at the position of a plug of the auxiliary air cylinder of the railway wagon braking system or on an air inlet pipe of the auxiliary air cylinder of the railway wagon braking system through a tee joint;
the warning board is a square warning board made of temperature sensing color changing materials and is adhered or hung on the outer side of the truck body.
The broadband of rectangular shape pointer is less than the height of mount pad, and thickness is less than the groove width of the first recess of mount pad in order to prevent to be collided damage and whereabouts hindered.
The surface of the warning mark is provided with characters or patterns or colors as a prompt, and the surface is not higher than the inner surface of the mounting seat.
The diameter of the cylindrical end of the valve body of the pressure relief valve is larger than that of the polyhedral end at the other end; the cross section of the end of the polyhedron is polygonal and is used for tools such as a wrench and the like to screw the pressure release valve in a rotating way.
The utility model discloses the colour or the pointer position that braking system high temperature became invalid warning device passes through the warning sign change, combine the relief valve to leak, produce during the freight train operation of unfreezing, the non-metallic member high temperature of braking system that can't follow the outward appearance and observe the judgement became invalid the trouble and show with obvious, audio-visual mode, and can play dual warning effect, make things convenient for vehicle inspection personnel, locomotive driver discovers rapidly before driving, the non-metallic member high temperature of vehicle braking system that accurately inspects became invalid the trouble, the trouble risk is eliminated, guarantee railway driving safety. The utility model discloses it is very little to the original structural change of railway freight car, and the construction is simple, convenient, low cost moreover.
Drawings
FIG. 1 is a schematic side view of the high temperature failure warning device of the present invention when a warning board is selected;
FIG. 2 is a schematic side view of the high temperature failure warning device of the present invention when a pointer device is selectively installed;
FIG. 3 is a schematic side view of the high temperature failure warning device of the present invention with the pointer device and the relief valve installed on the air inlet pipe of the auxiliary reservoir;
FIG. 4 is an enlarged view of the portion A of FIG. 1;
FIG. 5 is a schematic view of air leakage when the spool of the pressure relief valve of FIG. 4 is melted and the pressure relief orifice is opened;
FIG. 6 is a schematic view of the installation of the pointer device of the high temperature failure warning device of the present invention;
FIG. 7 is a schematic view of the indicating needle device of FIG. 6 with the fuse pin blown and the indicating needle in a vertical position;
FIG. 8 is a schematic view of a mounting seat in the high temperature failure warning device of the present invention;
FIG. 9 is a schematic top view of the mounting seat of the high temperature failure warning device of the present invention;
FIG. 10 is a schematic view of a middle finger of the high temperature failure warning device of the present invention;
fig. 11 is a schematic diagram of the right side of the pressure release valve in the high temperature failure warning device of the present invention;
fig. 12 is the utility model discloses relief valve left side schematic diagram among high temperature failure warning device.
Reference numbers in the figures:
the alarm board 1 is a warning board, the alarm board 2 is a pointer device, the pressure release valve 3 is a three-way valve 4, the truck 5 is a truck 6, the pressure air 6 is pressure air, and the pressure air 7 is the flowing direction of the pressure air.
2.1 is the mount pad, 2.2 is the pointer, 2.3 is round pin, 2.4 is the fusing round pin, 2.5 is warning mark, 2.1a is first recess, 2.1b is the second recess, 2.1c is first round hole, 2.1d is the second round hole.
3.1 is the valve body, 3.2 is the case, 3.1a is the external screw thread of valve body, 3.1b is the polyhedron end of valve body, 3.1c is the pressure release hole.
5.1 is the automobile body, 5.2 is the brake main pipe, 5.3 is the wheel, 5.4 is the brake shoe, 5.5 is the auxiliary reservoir, 5.6 is the air inlet pipe, 5.7 is the brake control valve, 5.8 is the brake cylinder, 5.9 is the plug.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
Railway freight car braking system high temperature failure warning device, including warning sign 1, pointer device 2, 3 triplexes of relief valve, can be warning sign 1, pointer device 2 and warn the use alone, also can make up and use simultaneously, can also increase 3 devices of relief valve and further increase warning function and effect.
Wherein a square warning board 1 made of temperature-sensing color-changing materials is adhered or hung on the outer side of a truck, or an indicator device 2 is selected to be arranged on the outer side of the truck, an indicator 2.2 is horizontally hinged on a mounting seat 2.1 fixedly connected on the side surface or the bottom of the truck through a round pin 2.3 and a fusing pin 2.4 made of fusible alloy, a pressure release valve 3 for plugging a pressure release hole by using fusible alloy is adopted to replace an original screw plug of an auxiliary air cylinder 5.5 and is arranged on the auxiliary air cylinder 5.5, wherein the final color-changing temperature of the temperature-sensing color-changing materials and the melting point temperature of the fusible alloy used by the fusing pin 2.4 and the pressure release valve 3 are slightly lower than the lowest failure temperature in each non-metal part of a unfreezing braking system, when the peripheral temperature of the railway truck in a warehouse exceeds the temperature, the color of the warning board 1 can be obviously changed, the fusing pin 2.4 of the hinged indicator 2.2 is fused, the indicator 2.2 rotates to the vertical state around the round pin 2.3 under the action of gravity, a warning mark 2.5 in the mounting seat 2.1 is exposed, and a vehicle inspector is prompted that the non-metal part of the vehicle brake system is failed or is close to fail and must be repaired.
Meanwhile, when the peripheral temperature of the railway wagon in the unfreezing warehouse exceeds the set temperature, the fusible alloy on the pressure release valve 3 is melted, the pressure release hole 3.1c is opened, the auxiliary air cylinder 5.5 or the air inlet pipe 5.6 of the auxiliary air cylinder 5.5 is communicated with the atmosphere, the air in the auxiliary air cylinder 5.5 is discharged, and the air storage function of the braking system is disabled. Therefore, when the locomotive charges the train, the leakage amount of the train brake main pipe obviously exceeds the specified standard and needs to be stopped for inspection due to the large air leakage port on the brake pipeline, and the double warning effect is achieved.
As shown in the figure, the pointer device 2 comprises a mounting seat 2.1, a pointer 2.2, a round pin 2.3, a fusing pin 2.4 and a warning mark 2.5, wherein the mounting seat 2.1 is rectangular, the end part of the mounting seat is provided with a first groove 2.1a, and the inner side of the mounting seat is provided with a second groove 2.1 b; one end of the mounting seat 2.1 is provided with a first round hole 2.1c matched with the outer diameter of the round pin 2.3, and the other end is provided with a second round hole 2.1d matched with the outer diameter of the fusing pin 2.4; the pointer 2.2 is in a long strip shape, the two ends of the pointer are respectively provided with a third round hole, the pointer is horizontally hinged in the first groove of the mounting seat 2.1 through a round pin 2.3 and a fusing pin 2.4, and the width of the pointer 2.2 is smaller than the height of the mounting seat 2.1, so that the pointer is prevented from being damaged by collision of other objects; the warning mark 2.5 taking characters or patterns or colors as prompts is fixedly connected in the second groove 2.1b of the mounting seat 2.5, so that the warning mark 2.5 is prevented from being damaged when the pointer 2.2 rotates.
The pressure release valve 3 comprises a valve body 3.1 and a valve core 3.2, wherein the valve body 3.1 is of a combined structure of a cylinder with external threads 3.1a and a polyhedron 3.1b, the cylinder end is large, the other end is small, the cross section of the cylinder is polygonal, the pressure release valve 3 is convenient to screw by tools such as a wrench and the like, a pressure release hole 3.1c which penetrates through the valve body and has a slightly large inner diameter is arranged in the axis direction, so that large pressure air leakage can be generated at the position of an auxiliary air cylinder 5.5, the pressure release hole 3.1c is blocked by the valve core 3.2 made of fusible alloy, and the pressure release valve plays a role in sealing at the temperature lower than the melting point of the fusible alloy.
As shown in fig. 1-12, a square warning board 1 is made of a thermochromic material, and is adhered to the outer side of a truck or hung on the outer side of the truck such as a brake branch pipe by using a rope, a hook and the like, a pointer device 2 is welded on the side surface or the bottom of the truck body of the truck at a position convenient for observation through a mounting seat 2.1, a plug 5.9 at the bottom of an auxiliary air cylinder 5.5 of the truck is dismounted, a pressure release valve 3 is replaced, or the pressure release valve 3 is mounted on an air inlet pipe 5.6 of the auxiliary air cylinder 5.5 through a tee joint 4.
The utility model discloses the fusible alloy is an alloy material that refractory metal's fusible compound and bonding metal made through powder metallurgy technology, can melt rapidly at the melting point temperature that is lower than conventional metals such as steel, has characteristics such as density is little, the thermostability is good and finished product size precision is high, commonly uses to make temperature control element. The modern technology can control the melting point temperature of the fusible alloy material and the final color-changing temperature of the temperature-sensitive color-changing material at accurate temperature values.
The utility model discloses a use method does: after a railway wagon is driven into a thawing warehouse, the pointer device 2 is checked, the fusing pin 2.4 is confirmed to be intact, the pointer 2.2 is in a horizontal position, the warning board 1 without high-temperature discoloration phenomenon can be pasted or hung on the outer side of the wagon, the interference of other high-temperature factors outside the thawing warehouse on the judgment of whether the non-metal part of the braking system fails at high temperature is prevented, then thawing operation is carried out, after the thawing operation is finished, a train inspector inspects the color of the warning board 1 or the position of the pointer 2.2 one by one, if the warning board 1 is obviously provided with the color or the pointer 2.2 is in a vertical position and the warning mark 2.5 is exposed, the condition that the temperature suffered by the vehicle during the thawing operation is close to or exceeds the lowest failure temperature of the non-metal parts of the braking system is shown, the slag of the ground fusible alloy can be checked to quickly search the vehicle leaking from the braking system, and the braking system of the vehicle needs to be overhauled, after the fault is removed, the warning board 1 is removed or the pointer device 2 is repaired by a new product fusing pin 2.4, on the other hand, a driver performs an air charging test on a train brake main pipe 5.2, if the leakage amount of the brake main pipe 5.2 exceeds the specified standard, the vehicle leaking out of the brake system can be quickly searched by checking the slag of the ground fusible alloy through the exhaust sound at the pressure release valve 3, the vehicle fault is repaired and removed, the failed pressure release valve 3 can be recycled, the fusible alloy is refilled, the pressure release hole 3.1c is blocked, and the original performance is recovered.
Claims (4)
1. The utility model provides a railway freight car braking system high temperature failure warning device, includes the fusible alloy who has the set for melting temperature, its characterized in that: the warning device comprises a pointer device, a warning board and/or a pressure release valve which are arranged on the railway wagon;
the pointer device comprises a mounting seat, a pointer, a round pin, a fusing pin and a warning mark; wherein, the mounting seat is rectangular and is horizontally arranged and fixed on the vehicle body; the end part of the mounting seat is respectively provided with a first groove, the inner side surface of the mounting seat is provided with a second groove, one end of the mounting seat is provided with a first round hole matched with the outer diameter of the round pin, and the other end of the mounting seat is provided with a second round hole matched with the outer diameter of the fusing pin; the pointer is in a long strip shape, the two ends of the pointer are respectively provided with a third round hole, the pointer is horizontally hinged in the first groove of the mounting seat through a round pin and a fusing pin, and the warning mark is fixedly connected in the second groove of the mounting seat;
the pressure relief valve comprises a valve body and a valve core; the valve body is a combined structure of a cylinder with external threads and a polyhedron, a pressure relief hole penetrating through the valve body is formed in the central axis direction of the valve body, and a valve core made of fusible alloy is plugged in the pressure relief hole; the pressure relief valve is arranged at the position of a plug of the auxiliary air cylinder of the railway wagon braking system or on an air inlet pipe of the auxiliary air cylinder of the railway wagon braking system through a tee joint;
the warning board is a square warning board made of temperature sensing color changing materials and is adhered or hung on the outer side of the truck body.
2. The railway wagon brake system high temperature failure warning device as claimed in claim 1, wherein: the broadband of rectangular shape pointer is less than the height of mount pad, and thickness is less than the groove width of the first recess of mount pad in order to prevent to be collided damage and whereabouts hindered.
3. The railway wagon brake system high temperature failure warning device as claimed in claim 1, wherein: the surface of the warning mark is provided with characters or patterns or colors as a prompt, and the surface is not higher than the inner surface of the mounting seat.
4. The railway wagon brake system high temperature failure warning device as claimed in claim 1, wherein: the diameter of the cylindrical end of the valve body of the pressure relief valve is larger than that of the polyhedral end at the other end; the cross section of the end of the polyhedron is polygonal and is used for tools such as a wrench and the like to screw the pressure release valve in a rotating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433375.9U CN215204849U (en) | 2021-06-25 | 2021-06-25 | High-temperature failure warning device for railway wagon brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433375.9U CN215204849U (en) | 2021-06-25 | 2021-06-25 | High-temperature failure warning device for railway wagon brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215204849U true CN215204849U (en) | 2021-12-17 |
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ID=79431105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121433375.9U Active CN215204849U (en) | 2021-06-25 | 2021-06-25 | High-temperature failure warning device for railway wagon brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215204849U (en) |
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2021
- 2021-06-25 CN CN202121433375.9U patent/CN215204849U/en active Active
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