Railway vehicle detection system for transfer platform

Abstract

The utility model provides a railway vehicle detection system for a transfer platform, which comprises the transfer platform and a vehicle detection device, the vehicle detection device is arranged on a platform at the access end of the transfer platform, and the distance a from the position of the vehicle detection device to the end of the transfer platform is smaller than the distance b from the rim of any wheel to the end of the transfer platform; the platform is provided with a steel rail used for a railway vehicle to walk, the vehicle detection device can be arranged on the inner side or the outer side of the steel rail, the vehicle detection device comprises a support, a transition frame, a switch base and a proximity switch which are fixedly connected to the platform, the transition frame is installed on the support, the switch base is arranged on the transition frame, and the proximity switch is arranged on the switch base. The proximity switch is installed on the switch base. Whether a railway vehicle exists on the transfer platform or whether the railway vehicle is bridged is detected by detecting the wheels, the influence of dense fog is avoided, the reliability of the detection mode is higher, and the stability and the safety of the operation of the transfer platform are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway vehicle tipping and unloading, in particular to a railway vehicle detection system for a vehicle transfer platform. Background Art

[0002] The car moving platform is a steering device that moves the empty car after dumping from the loaded car line to the empty car line. When the car moving platform moves the railway vehicle, it must ensure that the railway vehicle is in the car moving platform to prevent the railway vehicle from crossing and causing major accidents. For this reason, the car moving platform is equipped with a vehicle detection system to determine whether the railway vehicle is in the car moving platform. In the prior art, the vehicle detection system on the car moving platform uses photoelectric switches as detection elements. Since the car moving platform is often in an operating environment with heavy fog or excessive dust, this environment often causes the photoelectric switch to fail. Therefore, the existing vehicle detection system is not reliable, which often leads to equipment operation interruption and even major accidents caused by vehicle crossing. Utility Model Content

[0003] According to the technical problems raised above, a railway vehicle detection system for a moving platform is provided, which reduces the cost of the detection system while improving the reliability of railway vehicle detection and ensuring the stability and safety of equipment operation. The technical means adopted by the utility model are as follows:

[0004] A railway vehicle detection system for a moving platform comprises a moving platform and a vehicle detection device, wherein the vehicle detection device is arranged on a platform at the entrance and exit end of the moving platform, the distance a between the position of the vehicle detection device and the end of the moving platform is less than the distance b between the rim of any wheel and the end of the moving platform, and the distance d between the rim of the outermost wheel of the railway vehicle and the vehicle detection device is less than the distance e between the railway carriage and the edge of the foundation pit of the moving platform; steel rails for the railway vehicle to travel are arranged on the platform, the vehicle detection device can be arranged on the inner side or the outer side of the steel rails, and the vehicle detection device comprises a bracket fixedly connected to the platform, a transition frame, a switch seat and a proximity switch, the bracket is equipped with a transition frame, the transition frame is equipped with a switch seat, and the proximity switch is installed on the switch seat.

[0005] Furthermore, the vehicle detection device is arranged on the inner side of the rail and / or on the outer side of the rail, and is used to detect the inner edge surface of the railway vehicle wheel and / or to detect the outer edge surface of the railway vehicle wheel respectively.

[0006] Furthermore, the transition frame is connected to the bracket by bolts, and the bracket is provided with a bracket long hole, and the installation position of the transition frame is adjusted based on the bracket long hole.

[0007] Furthermore, the switch seat is connected to the transition frame by bolts, and a transition frame long hole is opened on the transition frame, and the installation position of the switch seat is adjusted based on the transition frame long hole.

[0008] Furthermore, the proximity switch is connected to the switch seat by bolts, and the switch seat is provided with a switch seat elongated hole perpendicular to the position of the bracket elongated hole, and the installation position of the proximity switch is adjusted through the switch seat elongated hole.

[0009] Furthermore, the long bolt holes on the bracket, transition frame and switch seat are perpendicular to each other, so that the installation position of the proximity switch can be adjusted in the X, Y and Z axis directions.

[0010] Furthermore, two sets of vehicle detection devices are arranged at the entrance and exit of the platform. The two sets of vehicle detection devices are symmetrically arranged relative to the center line of the railway and are used to detect two coaxial wheels of railway vehicles on two rails respectively.

[0011] The utility model has the following advantages:

[0012] 1. The prior art realizes vehicle detection by detecting the vehicle body, while the utility model detects whether there is a railway vehicle on the transfer platform or whether the railway vehicle is bridged by detecting the wheels. It is not affected by dust and dense fog, and the detection method is more reliable, which improves the stability and safety of the transfer platform operation.

[0013] 2. The utility model is convenient for adjustment according to the actual situation on site through the bracket, transition frame and switch seat with adjustable height and installation distance.

[0014] 3. The utility model adopts a proximity switch as a detection element, which has lower cost than a photoelectric switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the cross-connection state of a railway vehicle.

[0017] Figure 2 It is a front view of the railway vehicle on the platform.

[0018] Figure 3 It is a side view of the utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the vehicle detection device of the utility model and a schematic diagram of the setting.

[0020] Figure 5 This is a structural diagram of the vehicle detection device of the utility model and a schematic diagram of its setting.

[0021] Figure 6 It is a structural diagram of the vehicle detection device of the utility model and a schematic diagram of the setting situation c.

[0022] Figure 7 It is a structural diagram of the vehicle detection device of the utility model and a schematic diagram of its setting.

[0023] Figure 8 It is a side view of the vehicle detection device of the utility model.

[0024] In the figure: 1. civil engineering foundation; 2. vehicle transfer platform; 3. railway vehicle; 4. vehicle detection device; 5. wheel; 21. platform; 41. bracket; 42. transition frame; 43. switch frame; 44. proximity switch. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 8 As shown, the embodiment of the utility model discloses a railway vehicle detection system for a moving platform, including a moving platform 2 and a vehicle detection device 4, wherein the moving platform 2 is arranged above a civil engineering foundation 1, and the vehicle detection device is arranged on a platform at the entrance and exit end of the moving platform, and the distance a of the vehicle detection device from the end of the moving platform is less than the distance b from the rim of any wheel to the end of the moving platform, and the distance d from the rim of the outermost wheel of the railway vehicle to the vehicle detection device is less than the distance e from the railway carriage to the edge of the foundation pit of the moving platform. Specifically, the utility model is a device, and after the vehicle is sent to the moving platform, the position is fixed, and the data of the vehicle type on the railway are available, and this value does not need to be measured, and the distance e To set a preset value of the distance, during the design phase, it is sufficient to ensure that e is greater than d, that is, if d is not less than e, when the wheel contacts the switch, the carriage will exceed the outer edge of the equipment and will not play a protective role. The specific scenario is: the carriage has exceeded the car transfer platform, and the switch has not detected the wheel; a platform 21 is provided on the platform, and above the platform are rails for the railway vehicle 3 to travel. The vehicle detection device can be arranged on the inner side or the outer side of the rails. The vehicle detection device includes a bracket 41 fixedly connected to the platform, a transition frame 42, a switch seat 43 and a proximity switch 44, a transition frame is installed on the bracket, a switch seat is provided on the transition frame, and the proximity switch is installed on the switch seat.

[0027] Furthermore, the vehicle detection device is arranged on the inner side of the rail and / or on the outer side of the rail, and is used to detect the inner edge surface of the railway vehicle wheel 5 and / or the outer edge surface of the railway vehicle wheel. Specifically, the area between the two rails is the inner side of the rail, and the area outside the two rails is the outer side of the rail. That is, the vehicle detection device arranged at the entrance and exit of the transfer platform is based on Figure 5 The layout forms are specifically divided into the following situations: Layout 1, the vehicle detection device is on the outside of the rail, a single set, to detect a single wheel; Layout 2, the vehicle detection device is on the inside of the rail, a single set, to detect a single wheel; 3, the vehicle detection device is on the outside of the rail, 2 sets, to detect coaxial double wheels at the same time; 4, the vehicle detection device is on the inside of the rail, 2 sets, to detect coaxial double wheels at the same time.

[0028] Furthermore, the transition frame is connected to the bracket by bolts, and the bracket is provided with a bracket long hole, and the installation position of the transition frame is adjusted based on the bracket long hole.

[0029] Furthermore, the switch seat is connected to the transition frame by bolts, and a transition frame long hole is opened on the transition frame, and the installation position of the switch seat is adjusted based on the transition frame long hole.

[0030] Furthermore, the proximity switch is connected to the switch seat by bolts, and the switch seat is provided with a switch seat elongated hole perpendicular to the position of the bracket elongated hole, and the installation position of the proximity switch is adjusted through the switch seat elongated hole.

[0031] Furthermore, the long bolt holes on the bracket, transition frame and switch seat are perpendicular to each other, so that the installation position of the proximity switch can be adjusted in the X, Y and Z axis directions.

[0032] Furthermore, two sets of vehicle detection devices are arranged at the entrance and exit of the platform. The two sets of vehicle detection devices are symmetrically arranged relative to the center line of the railway and are used to detect two coaxial wheels of railway vehicles on two rails respectively.

[0033] Specifically, there are two rails, and the vehicle entry detection device and the vehicle exit detection device each include two proximity switches, which are respectively arranged at the relative positions of the two rails to detect the two coaxial wheels on the two rails respectively; when the two proximity switches send out the same signal, the signal is considered to be a valid signal; when the two proximity switches send out different signals, the signal is considered to be an invalid signal; the transfer platform only feeds back the valid signal; the above-mentioned same signal means: the two proximity switches detect the wheels at the same time or do not detect the wheels at the same time; the above-mentioned different signals mean: one of the proximity switches detects the wheels, and the other proximity switch does not detect the wheels at the same time;

[0034] When the car transfer platform is in operation, a small amount of material may spill on the platform. The material splashes onto the switch, causing the switch to generate a false signal. The possibility of material spilling onto the two rails of the platform at the same time is very small. Therefore, the above method can improve detection reliability.

[0035] The entry and exit end referred to in this embodiment is the end of the platform where the vehicle detection device 4 is set in the attached figure, and when the transfer platform is transferred between the transfer platform, the loaded vehicle line and the empty vehicle line, or pushed out of the transfer platform, it serves as the exit and / or entry end of the loaded vehicle line and / or the empty vehicle line respectively. Specifically, the working principle of the utility model is as follows:

[0036] The railway vehicle detection system determines whether there is a railway vehicle on the transfer platform or whether the railway vehicle is cross-connected by the number of times the proximity switch signal is received. Specifically:

[0037] When a railway vehicle enters the transfer platform, the transfer platform transfers the railway vehicle from the loaded vehicle line to the empty vehicle line:

[0038] When a railway vehicle is pushed to the designated position of the moving platform by a shunting machine, all wheels will pass through the proximity switch. Since the railway vehicles moved by the moving platform are all four-axle vehicles, when the railway vehicle completely enters the moving platform, the proximity switch will send out x sensing signals, x=4n. At this time, the system believes that there is a railway vehicle on the moving platform.

[0039] When x<4n, it means that the railway vehicle has not been pushed to the designated position of the transfer platform and the vehicle is in a cross-connection state.

[0040] When x>4n, it means that the railway vehicle has reversed past the sensing position of the proximity switch for some reason and the vehicle is also in a cross-connection state.

[0041] (Explanation of x: when the moving platform moves one railway vehicle at a time, x=4; when the moving platform moves n railway vehicles at a time, x=4n)

[0042] Therefore, before the transfer platform transfers the railway vehicle from the loaded vehicle line to the empty vehicle line, it will judge the value of x. If the value of x is the set value 4n, it is considered that there is a railway vehicle on the transfer platform and there is no crossover, and the transfer platform can proceed to the next step normally. If the value of x is not equal to the set value 4n, it means that there is no vehicle on the transfer platform or there is a crossover on the railway vehicle, and the transfer platform stops the next step.

[0043] When the railway vehicle is pushed out of the transfer platform, the transfer platform returns from the loaded vehicle line to the empty vehicle line:

[0044] When a railway vehicle is pushed onto the platform by a shunting machine, all wheels will pass through the proximity switch. Since the railway vehicles transported by the platform are all four-axle vehicles, when the railway vehicle completely leaves the platform, the proximity switch will send out x sensing signals, x=4n. At this time, the system believes that the railway vehicle has left the platform and there is no railway vehicle on the platform.

[0045] When x<4n, it means that the railway vehicle has not been pushed to the designated position of the transfer platform and the vehicle is in a cross-connection state.

[0046] When x>4n, it means that the railway vehicle has reversed past the sensing position of the proximity switch for some reason and the vehicle is also in a cross-connection state.

[0047] (Explanation of x: when the moving platform moves one railway vehicle at a time, x=4; when the moving platform moves n railway vehicles at a time, x=4n)

[0048] Therefore, before the transfer platform returns from the loaded vehicle line to the empty vehicle line, it will judge the value of x. If the value of x is the set value 4n, it is considered that there is no railway vehicle on the transfer platform and there is no crossover, and the transfer platform can proceed to the next step normally. If the value of x is not equal to the set value 4n, it means that there is a vehicle on the transfer platform or there is a crossover of railway vehicles, and the transfer platform stops the next step.

[0049] It should be noted that the above-mentioned bridging state means that part of the railway vehicle is located on the moving platform and part of it is located on the civil engineering foundation.

[0050] It should be understood that the present application does not improve the program, and the control programs involved in the present application are all prior art.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A railway vehicle detection system for a transfer platform, characterized in that: It includes a moving platform and a vehicle detection device. The vehicle detection device is arranged on a platform at the entrance and exit of the moving platform. The distance a between the position of the vehicle detection device and the end of the moving platform is less than the distance b between the wheel rim of any wheel and the end of the moving platform. The platform is provided with steel rails for railway vehicles to travel. The vehicle detection device can be arranged on the inner side or the outer side of the steel rails. The vehicle detection device includes a bracket fixedly connected to the platform, a transition frame, a switch seat and a proximity switch. The bracket is provided with a transition frame, the transition frame is provided with a switch seat, and the proximity switch is installed on the switch seat.

2. The railway vehicle detection system for a transfer platform according to claim 1, characterized in that: The vehicle detection device is arranged on the inner side of the rail and / or on the outer side of the rail, and is used to detect the inner edge surface of the railway vehicle wheel and / or the outer edge surface of the railway vehicle wheel respectively.

3. The railway vehicle detection system for a transfer platform according to claim 1, characterized in that: The transition frame is connected to the bracket by bolts. The bracket is provided with a bracket long hole, and the installation position of the transition frame is adjusted based on the bracket long hole.

4. The railway vehicle detection system for a transfer platform according to claim 1, characterized in that: The switch seat is connected to the transition frame by bolts. The transition frame is provided with a transition frame long hole. The installation position of the switch seat is adjusted based on the transition frame long hole.

5. The railway vehicle detection system for a transfer platform according to claim 1, characterized in that: The proximity switch is connected to the switch seat by bolts. The switch seat is provided with a switch seat long hole which is perpendicular to the position of the bracket long hole. The installation position of the proximity switch is adjusted through the switch seat long hole.

6. The railway vehicle detection system for a vehicle transfer platform according to claim 1, characterized in that: The long bolt holes on the bracket, transition frame and switch seat are perpendicular to each other, so that the installation position of the proximity switch can be adjusted in the X, Y and Z axis directions.

7. The railway vehicle detection system for a transfer platform according to claim 1, characterized in that: Two sets of vehicle detection devices are arranged at the entrance and exit ends of the platform. The two sets of vehicle detection devices are symmetrically arranged relative to the center line of the railway and are used to detect two coaxial wheels of railway vehicles on two rails respectively.

8. The railway vehicle detection system for a transfer platform according to claim 1, characterized in that: The distance d between the outermost wheel rim of the railway vehicle and the vehicle detection device is smaller than the distance e between the railway carriage and the edge of the foundation pit of the vehicle transfer platform.

Images