Locomotive wheel adhesion environment simulation device

Abstract

The embodiment of the utility model relates to the field of railway transportation, and discloses a locomotive wheel adhesion environment simulation device. The device comprises a lubrication supply unit which is installed on a locomotive; the lubrication diluting unit is used for inputting a diluent to the lubrication supply unit so as to adjust the concentration of the lubrication preparation; the lubrication conveying unit comprises a conveying pump, a conveying pipeline and a spray head; the input end of the conveying pump is connected to the output end of the lubrication supply unit, and the output end of the conveying pump is connected with the conveying pipeline so that the diluted lubrication preparation can be pumped into the conveying pipeline. One end of the conveying pipeline away from the conveying pump is connected with a nozzle; the number of the spray heads is at least two, and the spraying ends of the spray heads face a pair of steel rails in front of the locomotive wheelset tread. The device provided by the utility model solves the problem of how to conveniently meet the test requirements of the idling and sliding scenes, meets the environmental requirements of simulating the idling and sliding scenes of the locomotive, and is high in operation efficiency and convenient to install and use.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to railway transportation field, especially relate to a locomotive wheel adhesion environment simulation device. BACKGROUND

[0002] There are many small curve radii in heavy haul railway lines, and the slope of some heavy haul railway lines can reach more than 10‰. A large traction force or regenerative force is often needed to meet the operating requirements. In addition, the influence of rain, snow and fog weather, heavy haul railway will often occur more serious idling / slip, in order to solve the design rationality of the train operation process control strategy after idling / slip, the existing simulation locomotive idling / slip scene test needs to be carried out in a special test field, which lacks ease of use and cannot cover special scenes. Therefore, it is necessary to develop an idling / slip environment simulation device which is convenient to install and has strong versatility. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the utility model embodiment is to at least provide a locomotive wheel adhesion environment simulation device, which can at least solve the problem of how to conveniently meet the idling / slip scene test requirements, and can at least achieve the environment requirements of simulating locomotive idling and sliding scenes, high work efficiency and convenient installation and use.

[0004] To solve the above technical problems, at least one embodiment of the present application provides a locomotive wheel adhesion environment simulation device, characterized in that it comprises:

[0005] A lubrication supply unit is installed on the locomotive and used for storing lubricating agents;

[0006] A lubrication dilution unit is connected with the lubrication supply unit and used for inputting dilution liquid to the lubrication supply unit to adjust the concentration of the lubricating agent; and

[0007] A lubrication delivery unit comprises a delivery pump, a delivery pipeline and a spray head; the input end of the delivery pump is connected with the output end of the lubrication supply unit, and the output end is connected with the delivery pipeline to pump the diluted lubricating agent into the delivery pipeline; one end of the delivery pipeline away from the delivery pump is connected with the spray head; the spray head is provided with at least two, and the spray end of each spray head is arranged at a pair of rails in front of the locomotive wheel pair tread surface.

[0008] The locomotive wheel adhesion environment simulation device provided by the embodiment of the present application directly installs a lubricating supply unit on a locomotive to store a lubricating agent, so that when a wheel adhesion environment simulation is needed, only the dilution unit is controlled to input diluent into the lubricating supply unit to dilute the lubricating agent to a required lubricating concentration, and then the diluted lubricating agent is delivered to a delivery pipeline by a delivery pump, and then pumped to a spray head through the delivery pipeline, and the spray head is arranged in front of a pair of rails in front of a locomotive wheel pair tread, so that the rails are wet and slippery, and then the locomotive can be started to run on the rails to meet the requirements of the idling and sliding scene test, without the need for special scene testing, thereby improving the convenience of the idling and sliding environment simulation test, facilitating the simulation of the idling and sliding scene of the locomotive, and improving the work efficiency and facilitating the installation and use.

[0009] In addition, the lubricating supply unit comprises a mounting frame and at least one replaceable tank; the mounting frame is mounted on the locomotive; and the tank is detachably mounted on the mounting frame. The mounting frame is directly mounted on the locomotive, and then the tank is mounted on the mounting frame, and the tank is detachably arranged, so that different tanks containing different fluid substances can be installed and used according to different locomotive simulation environments, thereby improving the applicability.

[0010] In addition, the tank comprises a lubricating agent storage cavity and a lubricating agent output cavity; the lubricating agent storage cavity is arranged above the lubricating agent output cavity, and the two cavities are arranged in communication with each other and are provided with a first control valve for controlling the output amount of the lubricating agent at the communication part of the lubricating agent storage cavity and the lubricating agent output cavity; and the lubricating dilution unit is connected to the lubricating agent output cavity, and the two are provided with a second control valve for controlling the input amount of the diluent at the connection part. The lubricating agent storage cavity and the lubricating agent output cavity are arranged to separate the storage and output of the lubricating agent, so that the lubricating agent can be diluted in the output cavity, and the storage of the lubricating agent is not affected during the dilution process, and the first control valve and the second control valve are combined to control the amount of the lubricating agent and the diluent input into the lubricating agent output cavity, thereby adjusting the lubricating degree according to different adhesion environment requirements, meeting various adhesion test requirements, and improving the applicability.

[0011] In addition, the lubricating dilution unit comprises a water injection kettle connected to the lubricating agent output cavity; the second control valve is a flow valve for monitoring the flow of the diluent injected into the lubricating supply unit by the water injection kettle, and is closed when the flow of the diluent reaches a preset threshold value; and the flow valve is also used to receive a threshold setting signal input by a user to form the preset threshold value. The water injection kettle is used to store the diluent water, and the flow valve is used to control the injection amount of the diluent water, and the flow valve is automatically stopped when the preset threshold value is reached, thereby facilitating automatic dilution and improving the use convenience.

[0012] In addition, the lubricating supply unit further comprises a stirring unit arranged in the lubricating agent output cavity to stir the solution in the lubricating agent output cavity.

[0013] In addition, the lubricating agent storage cavity is provided with a pressing member for extruding the lubricating agent to send the lubricating agent into the lubricating agent storage cavity.

[0014] In addition, the lubricating delivery unit further comprises a flow meter for metering the output flow and a third control valve for controlling the spraying flow of the spray head.

[0015] In addition, the simulation device further comprises a controller, and the lubricating supply unit, the lubricating dilution unit and the lubricating delivery unit are connected to and controlled by the controller.

[0016] In addition, the simulation device further comprises an ambient humidity monitor for monitoring the ambient humidity of the steel rail, and the ambient humidity monitor is connected to the controller.

[0017] In addition, two of the delivery pumps and the delivery pipelines are arranged corresponding to the spray head respectively; the delivery pumps are delivery motors, and the two delivery motors are connected to the on-board power supply of the locomotive through power supply lines. BRIEF DESCRIPTION OF DRAWINGS

[0018] One or more embodiments are illustrated by way of example in the figures that are part of this disclosure and which are illustrative, but not restrictive, of the present embodiments, wherein elements having the same reference number designates like elements throughout the various figures, and wherein the figures are not necessarily drawn to scale. The figures illustrate various embodiments of the present embodiments and, together with the detailed description below, preferably explain the principles of the present embodiments.

[0019] Figure 1 is a structural schematic view of a locomotive wheel adhesion environment simulation device according to an embodiment of the present utility model;

[0020] Figure 2 is a structural schematic view of a locomotive wheel adhesion environment simulation device after being cut open according to an embodiment of the present utility model;

[0021] Figure 3 is a schematic view of the connection relationship between a controller and various controlled devices of a locomotive wheel adhesion environment simulation device according to an embodiment of the present utility model.

[0022] In the figure, 1, lubricating supply unit; 11, mounting frame; 12, box body; 121, lubricating agent storage cavity; 122, lubricating agent output cavity; 123, filling port; 2, lubricating dilution unit; 21, water injection kettle; 22, water injection pipe; 3, lubricating conveying unit; 31, conveying pump; 32, conveying pipeline; 33, spray head; 34, flow meter; 35, third control valve; 4, first control valve; 5, second control valve; 6, stirring unit; 7, extrusion piece; 8, controller; 9, ambient humidity monitor. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the various embodiments of the present application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that, in the various embodiments of the present application, many technical details are proposed in order to make the readers better understand the present application. However, even without these technical details and various changes and modifications based on the following various embodiments, the technical scheme claimed by the present application can be implemented.

[0024] In order to facilitate understanding of the embodiments of the present application, the related content about locomotive simulation experiment is introduced first.

[0025] There are many small curve radii in heavy haul railway lines, and the slope of some heavy haul railway lines can reach more than 10‰. A larger traction force or regenerative force is often needed to meet the operation requirements. In addition, the influence of rain, snow and fog weather, heavy haul railways often have more serious idling / slip, in order to solve the design rationality of the control strategy after the idling / slip of the train in the process of operation, the existing simulation of locomotive idling and slip scene test needs to be carried out in a special test field, which lacks ease of use and cannot cover special scenes. Therefore, it is necessary to develop an idling and slip environment simulation device which is convenient to install and has strong universality.

[0026] Embodiment one:

[0027] The embodiment of the present application relates to a locomotive wheel adhesion environment simulation device.

[0028] The embodiment of the utility model relative to prior art, it adopts lubrication supply unit 1 of direct installation on the locomotive to store lubricating preparation, so that when needing to carry out wheel adhesion environment simulation, only need to control the dilution unit 2 to input diluent to lubrication supply unit 1 according to the simulation scene wet slip degree demand, dilute the lubricating preparation concentration to the required lubrication concentration, then through the delivery pump 31, the diluted lubricating preparation is delivered to the delivery pipeline, to be pumped to the spray head 33 through the delivery pipeline, set up with the spray head 33 to the pair of rails in front of the locomotive wheel pair tread, make the rail wet slip, then start the locomotive to carry out the experiment, directly run the locomotive on the rail can satisfy the free running coasting scene test demand, need not in special scene, improve the convenience of free running, coasting environment simulation test, be convenient for satisfying the environment demand of simulation locomotive free running and sliding scene, and the operation efficiency is high, convenient to install and use, therefore solveed the simulation locomotive free running, coasting scene test trouble, not easy to use problem.

[0029] The implementation details of the locomotive wheel adhesion environment simulation device of the embodiment will be described in detail below. The following details are provided for easy understanding and are not essential for implementing the present solution.

[0030] The embodiment of the utility model provides a kind of locomotive wheel adhesion environment simulation device, as shown in Figure 1 It includes lubrication supply unit 1, lubrication dilution unit 2 and lubrication delivery unit 3. Wherein:

[0031] As shown in Figure 1 And Figure 2 Lubrication supply unit 1 is installed on the locomotive and is used to store lubricating preparation. Lubrication dilution unit 2 is connected to lubrication supply unit 1 and is used to input diluent to lubrication supply unit 1 to adjust the concentration of lubricating preparation. Lubrication delivery unit 3 includes delivery pump 31, delivery pipeline 32 and spray head 33. The input end of delivery pump 31 is connected to the output end of lubrication supply unit 1, and the output end is connected to delivery pipeline 32 to pump diluted lubricating preparation into the delivery pipeline. The end of the delivery pipeline away from delivery pump 31 is connected to spray head 33. Spray head 33 has at least two, and the spray end of each spray head 33 is arranged towards a pair of rails in front of the locomotive wheel pair tread.

[0032] Further, delivery pump 31 and delivery pipeline 32 each have two corresponding to spray head 33. Delivery pump 31 is a delivery motor, and the two delivery motors are connected to the vehicle-mounted power supply of the locomotive through power supply wiring to use the vehicle-mounted power supply of the locomotive for direct power supply. Among them, two spray heads 33 are delivered through delivery pump 31 and delivery pipeline 32 to realize independent delivery, so that the lubrication process of two rails can be synchronized or asynchronous, meeting the needs of various rail wheel adhesion environment simulation.

[0033] In some embodiments, as shown in Figure 2 and Figure 3 The locomotive wheel adhesion environment simulation device further comprises a controller 8, the lubricating supply unit 1, the lubricating dilution unit 2 and the lubricating delivery unit 3 are connected to and controlled by the controller 8, the operation of each unit is controlled by the controller 8, and different adhesion environments are simulated by automatically controlling the lubricating dilution amount and the lubricating liquid supply amount according to the adhesion environment requirements.

[0034] Further, as shown in Figure 3 The locomotive wheel adhesion environment simulation device further comprises an environment humidity monitor 9 for monitoring the environment humidity of the rail, and the environment humidity monitor 9 is connected to the controller 8. The environment humidity monitor 9 can monitor the environment humidity of the rail, and then evaluate the adhesion ability of the rail after the lubricating liquid is supplied, so that the controller 8 can determine the adhesion degree of the rail.

[0035] Specifically, the controller 8 controls the operation of the lubricating supply unit 1, the lubricating dilution unit 2 and the lubricating delivery unit 3, so that after the rail is sprayed with lubricating liquid, the environment humidity of the rail can be monitored by the environment humidity monitor 9, and then it is determined whether the required simulation environment is reached. If not, the controller 8 can further issue lubricating instructions to control the operation of the lubricating supply unit 1, the lubricating dilution unit 2 and the lubricating delivery unit 3 to regulate the environment humidity of the rail, so as to meet the use requirements of different simulation environments, so that the humidity degree is controllable, and the applicability and convenience are improved.

[0036] In some embodiments, as shown in Figure 1 and Figure 2 In order to facilitate the provision of different lubricating effects, the lubricating supply unit 1 comprises a mounting bracket 11 and at least one replaceable box 12; the mounting bracket 11 is mounted on the locomotive; and the box 12 is detachably mounted on the mounting bracket 11. The mounting bracket 11 is fixedly mounted on the locomotive by welding or bolt structure, and the box 12 is detachably mounted on the mounting bracket 11 by bolt and nut structure, so that the box 12 of different lubricating formulations can be installed and used according to the adhesion environment requirements.

[0037] Further, the lubricating dilution unit 2 and the lubricating output unit are fixedly mounted on the mounting bracket 11, and after the lubricating supply unit 1 is mounted on the mounting bracket 11, it is connected with the lubricating dilution unit 2 and the lubricating output unit, so as to facilitate the replacement of only the box 12 of the lubricating supply unit 1.

[0038] Further, the box 12 comprises a lubricating agent storage cavity 121 and a lubricating agent output cavity 122; in the embodiment, the lubricating agent storage cavity 121 is arranged above the lubricating agent output cavity 122, and the two are arranged in communication with each other, and a first control valve 4 for controlling the output amount of lubricating agent is arranged at the communication position of the lubricating agent storage cavity 121 and the lubricating agent output cavity 122; the first control valve 4 is used to conveniently control the output amount of lubricating agent, so that the lubricating agent is stored in the lubricating agent storage cavity 121, and when it is needed to be used, the first control valve 4 is opened to deliver to the lubricating agent output cavity 122, so as to be delivered out after being diluted in the lubricating agent output cavity 122, so that the supply process of the lubricating agent does not affect the storage of the lubricating agent.

[0039] Further, a feeding port 123 for adding lubricating agent is arranged on the lubricating agent storage cavity 121, which is convenient for further adding lubricating agent to the lubricating agent storage cavity 121.

[0040] Further, the lubricating dilution unit 2 is connected to the lubricating agent output cavity 122, and a second control valve 5 for controlling the input amount of dilution liquid is arranged at the connection position. By controlling the opening and closing of the second control valve 5, the input amount of dilution liquid is conveniently controlled, so as to adjust the dilution degree of the lubricating agent according to the adhesion requirement.

[0041] In the embodiment, as shown in Figure 3 , the first control valve 4 and the second control valve 5 are both connected to and controlled by the controller 8, so as to uniformly control the opening and closing of the two valves by using the controller 8, and the operation convenience is improved.

[0042] In some embodiments, as shown in Figure 2 and Figure 3 , the lubricating delivery unit 3 further comprises a flow meter 34 for metering the output flow and a third control valve 35 for controlling the spraying flow of the spray head 33, the third control valve 35 is used to control the opening and closing of the spray head 33, the lubricating liquid spraying amount is conveniently controlled by combining the flow meter 34, and the convenience of the steel rail lubrication regulation is improved.

[0043] Among them, the third control valve 35 is connected to and controlled by the controller 8, the flow meter 34 is connected to the controller 8, and is used to send flow data to the controller 8, so as to control the opening and closing of the third control valve 35 by the controller 8 according to the flow data, and the operation control convenience is improved.

[0044] In some embodiments, as shown in Figure 2 and Figure 3As shown, the lubrication dilution unit 2 comprises a water injection pot 21 connected to the lubricant output cavity 122; the second control valve 5 is a flow valve for monitoring the flow of dilution liquid injected into the lubrication supply unit 1 by the water injection pot 21 and closing when the flow reaches a preset threshold, and the flow valve is also used to receive a threshold setting signal input by the user to form the preset threshold. In this embodiment, the flow valve is provided with a preset threshold, which is convenient for automatic control of water injection. The preset threshold of the flow valve can be issued by the controller 8 to directly set the preset threshold in the controller 8, improving the convenience of operation.

[0045] In this embodiment, the dilution liquid is water stored in the water injection pot 21 and sent into the lubricant output cavity 122 of the lubrication supply unit 1 through the flow valve. When the wheel adhesion environment is only a wet and slippery environment such as rain, only the second control valve 5 is controlled to open and the first control valve 4 is closed, and the dilution liquid water is injected into the lubricant output cavity 122 and then delivered to the steel rail through the lubrication delivery unit 3; when the wheel adhesion environment requires lubrication, the first control valve 4 and the second control valve 5 are controlled to open at the same time to deliver lubricant and water into the lubricant output cavity 122, respectively, and then the water is used to dilute the lubricant and then delivered through the lubrication output unit. Through various lubrication supply modes, different adhesion environment simulation requirements can be met, improving the applicability.

[0046] In some embodiments, as shown in Figure 2 In order to improve the dilution effect of the lubricant, the lubrication supply unit 1 also comprises a stirring unit 6 arranged in the lubricant output cavity 122 to stir the solution in the lubricant output cavity 122. In this embodiment, the stirring unit 6 comprises stirring blades and a motor connected to the stirring blades to rotate the stirring blades to stir the solution in the lubricant output cavity 122, improving the lubrication dilution effect and dilution efficiency.

[0047] In some embodiments, as shown in Figure 2 As shown, the lubricant storage cavity 121 is provided with an extrusion member 7 for extruding the lubricant to send the lubricant into the lubricant output cavity 122.

[0048] In some examples, the extrusion member 7 is a hydraulic extrusion member 7, which uses a hydraulic cylinder combined with a pushing plate to push the lubricant, which is convenient for pushing the lubricant into the lubricant output cavity 122.

[0049] The locomotive wheel adhesion environment simulation device provided by the application stores lubricating agent by using a lubricating supply unit 1 directly installed on the locomotive, so that when wheel adhesion environment simulation is needed, only the diluent input by the lubricating dilution unit 2 to the lubricating supply unit 1 is controlled according to the wet and slippery degree requirement of the simulation scene, the concentration of the lubricating agent is diluted to the required lubricating concentration, and then the diluted lubricating agent is delivered to the conveying pipeline by the delivery pump 31, pumped to the spray head 33 through the conveying pipeline, and set by the spray head 33 towards a pair of rails in front of the tread of the locomotive wheel pair, so that the rails are wet and slippery, and then the experiment can be started by starting the locomotive, directly running the locomotive on the rails to meet the free running and sliding scene test requirement without the need for special scene, improve the convenience of free running and sliding environment simulation test, facilitate to meet the environment requirement of the simulation locomotive free running and sliding scene, and high operation efficiency, convenient installation and use. In addition, by combining the lubricating agent storage cavity 121 and the lubricating agent output cavity 122, the lubricating agent of the required concentration can be mixed in the lubricating agent output cavity 122 according to the lubricating requirement, the applicability is improved, and the first control valve 4 and the second control valve 5 are combined to facilitate the regulation and control of the lubricating agent mixing amount and the concentration control amount, meet different adhesion environment requirements, and further improve the applicability.

[0050] It should be understood that the expressions "mechanism", "device", "component", and the like used in the present application are only a method for distinguishing different components, elements, parts, or assemblies of different levels. However, if other words can achieve the same purpose, the words can be replaced by other expressions.

[0051] Those skilled in the art can understand that the above embodiments are specific examples for implementing the present application, and in actual application, the technical features of the above embodiments can be combined in any manner. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application, and various changes can be made in form and details without departing from the spirit and scope of the present application.

Claims

1. A locomotive wheel adhesion environment simulation device, characterized by, The lubricating system comprises: a lubricating supply unit, which is installed on a locomotive and used for storing lubricating agent; a lubricating dilution unit, which is connected with the lubricating supply unit and used for inputting diluent into the lubricating supply unit to adjust the concentration of the lubricating agent; and a lubricating delivery unit, which comprises a delivery pump, a delivery pipeline and a spray head; the input end of the delivery pump is connected with the output end of the lubricating supply unit, and the output end is connected with the delivery pipeline to pump the diluted lubricating agent into the delivery pipeline; the end of the delivery pipeline away from the delivery pump is connected with the spray head; the spray head is provided with at least two, and the spray end of each spray head is arranged at a pair of rails in front of the wheel tread of the locomotive.

2. A locomotive wheel adhesion environment simulation device as claimed in claim 1, wherein, The lubricating supply unit comprises a mounting frame and at least one replaceable box; the mounting frame is installed on the locomotive; the box is detachably installed on the mounting frame.

3. A locomotive wheel adhesion environment simulation device as claimed in claim 2, wherein, The box comprises a lubricating agent storage cavity and a lubricating agent output cavity; the lubricating agent storage cavity is arranged above the lubricating agent output cavity, and the two cavities are arranged in communication with each other and are provided with a first control valve for controlling the output amount of the lubricating agent at the communication position of the lubricating agent storage cavity and the lubricating agent output cavity; the lubricating dilution unit is connected with the lubricating agent output cavity, and the two are provided with a second control valve for controlling the input amount of the diluent at the connection position.

4. A locomotive wheel adhesion environment simulation device as claimed in claim 3, wherein, The lubricating dilution unit comprises a water injection kettle connected with the lubricating agent output cavity; the second control valve is a flow valve, which is used for monitoring the flow of the diluent injected into the lubricating supply unit by the water injection kettle and is closed when the flow of the diluent reaches a preset threshold value; the flow valve is also used for receiving a threshold setting signal input by a user to form the preset threshold value.

5. A locomotive wheel adhesion environment simulation device as set forth in claim 3 wherein, The lubricating supply unit further comprises a stirring unit arranged in the lubricating agent output cavity to stir the solution in the lubricating agent output cavity.

6. A locomotive wheel adhesion environment simulation device as set forth in claim 3 wherein, The lubricating agent storage cavity is provided with a pressing member for extruding the lubricating agent to send the lubricating agent into the lubricating agent storage cavity.

7. A locomotive wheel adhesion environment simulation device as set forth in claim 1 wherein, The lubricating delivery unit further comprises a flow meter for metering the output flow and a third control valve for controlling the spraying flow of the spray head.

8. A locomotive wheel adhesion environment simulation device as set forth in claim 1 wherein, A controller is further included, and the lubricating supply unit, the lubricating dilution unit and the lubricating delivery unit are connected and controlled by the controller.

9. A locomotive wheel adhesion environment simulation device as claimed in claim 8, wherein, An environmental humidity monitor for monitoring the environmental humidity of the rails is further included, and the environmental humidity monitor is connected with the controller.

10. A locomotive wheel adhesion environment simulation device as set forth in claim 1, wherein, The delivery pump and the delivery pipeline are each provided with two corresponding spray heads; the delivery pump is a delivery motor, and the two delivery motors are connected with the on-board power supply of the locomotive through power supply wiring.

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