Meshing control method, system and equipment for gear and rack rail of rack rail vehicle and medium

Abstract

The invention provides a toothed rail vehicle gear and toothed rail meshing control method, system and equipment and a medium. The method comprises the following steps that the linear speed of a gear is matched with the vehicle speed by driving the gear to rotate; the rack rail motor is cut off, so that the gear is meshed with the rack rail in an idle state; the rack rail motor is removed, and the vehicle is switched into a rack rail line traction mode; according to the method, the rotation of the pre-driving gear is synchronous with the speed of the vehicle, and the pre-driving gear is meshed with the rack rail in the idle state, so that rigid contact between the gear and the rack rail in the static state is avoided, the gear collision risk is eliminated, and the risks of gear collision, damage and derailment caused by asynchronous meshing of the gear and the rack rail in the prior art are overcome; the system has the same beneficial effects.

Description

Technical Field

[0001] This invention relates to the field of rail transit technology, and in particular to a method, system, device, and medium for controlling the meshing of gears and gears in a rack-and-rail vehicle. Background Technology

[0002] As a type of rail transit vehicle adapted to steep mountain slopes, rack and pinion vehicles are primarily used to address the difficulties faced by traditional wheel-rail vehicles on steep gradient lines. These vehicles need to switch between adhesive rail (for low gradients) and rack and pinion rail (for steep gradients) to adapt to different terrain conditions.

[0003] In existing technologies, the switching between gears and rack rails largely relies on mechanical limits or manual control, making it difficult to achieve dynamic synchronization and posing a risk of meshing impact. When a vehicle switches from the adhesive track to the rack rail, if the drive gear and rack rail do not mesh properly, it can easily lead to tooth breakage, wheel and rail damage, or even derailment, seriously affecting driving safety.

[0004] Therefore, providing a meshing control scheme for gears and gears in rack-and-rail vehicles is a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] To address the aforementioned problems, the present invention aims to provide a method, system, device, and medium for controlling the meshing of gears and racks in rack-rail vehicles. This technology should be able to ensure driving safety while achieving a smooth transition from the track to the rack in rack-rail vehicles, improving meshing accuracy, and reducing wheel-rail damage.

[0006] The first objective of this invention is to provide a method for controlling the meshing of gears and gears in a rack-and-gear vehicle; The technical solution provided by this invention is as follows: A method for controlling the meshing of gears and racks in a rack-rail vehicle includes the following steps: The linear velocity of the gear is matched with the vehicle speed by rotating the drive gear; Disconnect the geared motor so that the gear meshes with the geared rail while idling; The geared motor is deactivated, and the vehicle switches to geared track traction mode.

[0007] Preferably, before driving the gear to rotate, it further includes: The vehicle speed is limited to a first preset range.

[0008] Preferably, while matching the linear velocity of the gear with the vehicle speed, the method further includes: The linear velocity of the gear is controlled within a second preset range.

[0009] Preferably, the removal of the geared motor, allowing the gear to mesh with the geared track in an idle state, specifically involves: When the vehicle travels a distance exceeding a preset distance, a cut-off signal is sent to the gear motor to stop the drive gear from rotating, the gear enters an idle state, and the gear engages with the gear rail in the idle state.

[0010] Preferably, before sending a cut-off signal to the geared motor to stop the drive gear from rotating and the gear enters an idling state when the vehicle travels a distance exceeding a preset distance, the method further includes: Calculate the distance traveled by the vehicle, and the vehicle travels to the distance traveled by the vehicle.

[0011] Preferably, the calculation of the vehicle's travel distance specifically involves: The vehicle's travel distance is calculated using discretized sampling.

[0012] Preferably, the step of calculating the vehicle's travel distance through discretized sampling further includes: The distance between any two adjacent sampling points is corrected using the trapezoidal method, with the following formula: ; ; In the formula, S represents the cumulative mileage of the vehicle; The mileage for a single cycle; and These are the velocity values ​​sampled in two adjacent cycles; The sampling period.

[0013] The second objective of this invention is to provide a gear-rail meshing control system for a gear-rail vehicle; The technical solution provided by this invention is as follows: A gear-rail vehicle gear-rail meshing control system includes: a matching module, a meshing module, and a release module; The matching module is used to match the linear velocity of the gear with the vehicle speed by rotating the drive gear; The meshing module is used to disconnect the gear rail motor so that the gear meshes with the gear rail in an idle state; The release module is used to release the rack motor disconnection, allowing the vehicle to switch to rack track traction mode.

[0014] The third objective of this invention is to provide an electronic device; The technical solution provided by this invention is as follows: An electronic device, comprising: At least one processor; and A memory communicatively connected to the at least one processor, the memory storing a computer program executable by the at least one processor, the computer program being executed by the at least one processor to enable the at least one processor to perform the steps of any one of the methods for controlling the meshing of gears and gears in a rack-and-gear vehicle.

[0015] A fourth objective of this invention is to provide a computer-readable storage medium; The technical solution provided by this invention is as follows: A computer-readable storage medium for storing a computer program for causing a computer to perform the steps of any one of the methods for controlling the meshing of gears and gears in a rack-and-gear vehicle.

[0016] Compared with the prior art, the present invention provides a method for controlling the meshing of gears and racks in a rack-rail vehicle, comprising the following steps: matching the linear velocity of the gear with the vehicle speed by driving the gear to rotate; disconnecting the rack motor so that the gear meshes with the rack in an idle state; releasing the rack motor disconnection and the vehicle switching to rack-rail traction mode; this method avoids rigid contact between the gear and the rack in a stationary state by pre-driving the gear to rotate synchronously with the vehicle speed and meshing with the rack in an idle state, thus eliminating the risk of gear breakage and overcoming the risks of gear breakage, damage, and derailment caused by asynchronous meshing of gears and racks in the prior art.

[0017] The present invention also provides a meshing control system for gears and gears in a rack-and-rail vehicle. Since this system and the meshing control method for gears and gears in the rack-and-rail vehicle solve the same technical problem and belong to the same technical concept, they should have the same beneficial effects, and will not be described in detail here. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A flowchart illustrating a method for controlling the meshing of gears and a rack in a rack-and-gear vehicle, provided as an embodiment of this application. Figure 2 A structural diagram of a gear and gear rail meshing control system for a rack and pinion vehicle provided in an embodiment of this application; Figure 3 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] like Figure 1 As shown, this embodiment of the invention provides a method for controlling the meshing of gears and gears in a rack-and-gear vehicle, comprising the following steps: S1. Match the linear velocity of the gear with the vehicle speed by rotating the drive gear; S2. Disconnect the geared motor, allowing the gear to mesh with the geared rail while idling; S3. Disengage the rack motor and switch the vehicle to rack track traction mode.

[0022] In practical application, the system receives data from the signal system in real time. When the vehicle approaches the rack section, the signal system sends a "gear preparation" signal. Upon receiving the "gear preparation" signal, the system drives the gear to rotate and adjusts the gear speed according to the vehicle's speed to match the gear linear speed with the vehicle speed. Then, when the vehicle travels a preset distance, the system locks the vehicle traction and disconnects the rack motor, allowing the gear to mesh with the rack in an idling state. When the system detects the "rack track" mode signal sent by the signal system, the system releases the traction lock and resets the rack motor disconnect signal, restarting the gear rotation. The vehicle then enters the rack operation mode, and the rack meshing switch is completed.

[0023] Compared with existing technologies, this method synchronizes the rotation of the pre-driven gear with the vehicle speed and engages with the toothed rail in the idle state, avoiding rigid contact between the gear and the toothed rail in the stationary state, eliminating the risk of tooth breakage, and overcoming the risks of tooth breakage, damage and derailment caused by asynchronous meshing of gear and toothed rail in existing technologies.

[0024] Preferably, before driving the gear to rotate, it further includes: The vehicle speed is limited to a first preset range.

[0025] In practical application, the gear engagement control device sends a "gear engagement preparation command" to the vehicle traction system. The traction system then starts the gear train motor, which drives the gears to rotate. Using the vehicle's current speed as the target, the gear speed is controlled to reach the preset target speed within a preset travel distance and maintain that speed. A typical preset travel distance is 10 meters, and the preset target speed is the current vehicle speed + 10%, but this can be adjusted according to actual conditions.

[0026] Preferably, the removal of the geared motor, allowing the gear to mesh with the geared track in an idle state, specifically involves: When the vehicle travels a distance exceeding a preset distance, a cut-off signal is sent to the gear motor to stop the drive gear from rotating, the gear enters an idle state, and the gear engages with the gear rail in the idle state.

[0027] In practical applications, when the vehicle travels a distance exceeding a preset distance (typically 10m), a cut-off signal is sent to the geared motor to stop the drive gear from rotating. The gear enters an idling state and traction is blocked, waiting to pass through the geared transition zone and enter the geared track. This allows the gear to mesh with the geared track while idling, dynamically calibrating the gear speed, improving meshing accuracy, and reducing wheel-rail damage.

[0028] Preferably, before sending a cut-off signal to the geared motor to stop the drive gear from rotating and the gear enters an idling state when the vehicle travels a distance exceeding a preset distance, the method further includes: Calculate the distance traveled by the vehicle, and the vehicle travels to the distance traveled by the vehicle.

[0029] In practical applications, the vehicle's travel distance after the "tooth entry preparation" signal is calculated through discretized sampling (i.e., periodically collecting speed data), and the vehicle travels to that distance. Simultaneously, a trapezoidal method is used to correct the distance between every two adjacent sampling points; the specific correction formula is as follows: ; ; Where S represents the cumulative mileage of the vehicle; The mileage for a single cycle; and These represent the velocity values ​​of two adjacent sampling periods; Δt is the sampling period, typically 50ms.

[0030] like Figure 2 As shown, this embodiment of the invention provides a gear and gear rail meshing control system for a rack and pinion vehicle, including: a matching module, a meshing module, and a release module; The matching module is used to match the linear velocity of the gear with the vehicle speed by rotating the drive gear; The meshing module is used to disconnect the gear rail motor so that the gear meshes with the gear rail in an idle state; The release module is used to release the rack motor disconnection, allowing the vehicle to switch to rack track traction mode.

[0031] In practical application, the gear-rail meshing control system of a rack-rail vehicle includes a matching module, a meshing module, and a disengagement module. The meshing module is connected to both the matching and disengagement modules. The matching module matches the linear velocity of the gear with the vehicle speed by driving the gear to rotate, and then transmits the matching signal to the meshing module. The meshing module then disconnects the rack motor, allowing the gear to mesh with the rack in an idle state before entering the disengagement module. The disengagement module then disconnects the rack motor, and the vehicle enters the rack-rail traction mode. This system, through the cooperation of the matching, meshing, and disengagement modules, ensures that the rotation of the pre-drive gear is synchronized with the vehicle speed and that the gear meshes with the rack in an idle state. This avoids rigid contact between the gear and the rack in a stationary state, eliminates the risk of gear breakage, and overcomes the risks of gear breakage, damage, and derailment caused by asynchronous meshing of gears and racks in existing technologies.

[0032] Furthermore, embodiments of this application also disclose an electronic device, Figure 3 This is a structural diagram of an electronic device according to an exemplary embodiment. The content of the diagram should not be construed as limiting the scope of this application.

[0033] Figure 3 This is a schematic diagram of an electronic device provided in an embodiment of this application. The electronic device 20 specifically includes: at least one processor 21, at least one memory 22, a power supply 23, a communication interface 24, an input / output interface 25, and a communication bus 26. The memory 22 stores a computer program, which is loaded and executed by the processor 21 to implement the relevant steps in the gear and rack meshing control method for gear-rail vehicles disclosed in any of the foregoing embodiments. Alternatively, the electronic device 20 in this embodiment can specifically be an electronic computer.

[0034] In this embodiment, the power supply 23 is used to provide operating voltage for the various hardware devices on the electronic device 20; the communication interface 24 can create a meshing control channel between the electronic device 20 and external devices for the gears and gears of the rack vehicle, and the communication protocol it follows can be any communication protocol applicable to the technical solution of this application, and is not specifically limited here; the input / output interface 25 is used to acquire external input data or output data to the outside world, and its specific interface type can be selected according to specific application needs, and is not specifically limited here.

[0035] In addition, the memory 22, as a carrier for resource storage, can be a read-only memory, random access memory, disk or optical disk, etc. The resources stored thereon can include operating system 221, computer program 222 and data 223, etc., and the storage method can be temporary storage or permanent storage.

[0036] The operating system 221 manages and controls the various hardware devices on the electronic device 20 and the computer program 222 to enable the processor 21 to perform calculations and processing on the data 223 in the memory 22. It can be Windows Server, Netware, Unix, Linux, etc. The computer program 222 includes, in addition to a computer program capable of performing the gear and rack meshing control method of the rack vehicle executed by the electronic device 20 as disclosed in any of the foregoing embodiments, a computer program capable of performing other specific tasks. The data 223 can include data received by the gear and rack meshing control device from external devices, as well as data collected by its own input / output interface 25.

[0037] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein can be implemented directly by hardware, a software module executed by a processor, or a combination of both. The software module can be located in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

[0038] Furthermore, this application also discloses a computer-readable storage medium for storing a computer program; wherein, when the computer program is executed by a processor, it implements the aforementioned method for controlling the meshing of gears and gears in a rack-and-gear vehicle. Specific steps of this method can be found in the corresponding content disclosed in the foregoing embodiments, and will not be repeated here.

[0039] It should be understood that the use of terms such as "method," "apparatus," "unit," and / or "module" in this application is merely to distinguish one method of different components, elements, parts, sections, or assemblies at different levels. However, if other terms can achieve the same purpose, they may be replaced by other expressions.

[0040] As indicated in this application and claims, unless the context clearly indicates otherwise, the words "a," "an," "a," and / or "the" are not specifically singular and may include the plural. Generally, the terms "comprising" and "including" only indicate the inclusion of expressly identified steps and elements, which do not constitute an exclusive list, and the method or apparatus may also include other steps or elements. An element defined by the phrase "comprising an..." does not exclude the presence of other identical elements in the process, method, product, or apparatus that includes the element.

[0041] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0042] If a flowchart is used in this application, it is used to illustrate the operations performed by the system according to embodiments of this application. It should be understood that the preceding or following operations are not necessarily performed in exact order. Instead, the steps can be processed in reverse order or simultaneously. Furthermore, other operations can be added to these processes, or one or more steps can be removed from them.

[0043] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method of controlling the engagement of a rack gear of a rack railway vehicle with a rack rail, characterized in that, The method comprises the following steps: matching the linear velocity of the gear with the vehicle speed by rotating the gear; cutting off the rack motor to make the gear mesh with the rack in an idle state; resolving the cutting off of the rack motor to make the vehicle switch to the rack line traction mode.

2. The rack gear vehicle gear-to-rack engagement control method according to claim 1, characterized by, Before rotating the gear, the method further comprises the following step: limiting the value of the vehicle speed in a first preset interval.

3. The rack gear engagement control method of a rack railway vehicle according to claim 1, characterized by, When matching the linear velocity of the gear with the vehicle speed, the method further comprises the following step: controlling the linear velocity of the gear in a second preset interval.

4. The rack gear engagement control method for rack railway vehicles according to claim 1, characterized in that, The step of cutting off the rack motor to make the gear mesh with the rack in an idle state specifically comprises the following steps: when the running distance of the vehicle exceeds a preset distance, sending a cutting-off signal to the rack motor to stop rotating the gear, making the gear enter an idle state, and making the gear mesh with the rack in the idle state.

5. The rack gear vehicle gear-to-rack engagement control method according to claim 4, characterized in that, Before the step of sending a cutting-off signal to the rack motor to stop rotating the gear, making the gear enter an idle state, and making the gear mesh with the rack in the idle state when the running distance of the vehicle exceeds a preset distance, the method further comprises the following step: calculating the running distance of the vehicle, and making the vehicle run to the running distance of the vehicle.

6. The rack gear vehicle gear-to-rack engagement control method according to claim 5, characterized in that, The step of calculating the running distance of the vehicle specifically comprises the following step: calculating the running distance of the vehicle by discrete sampling.

7. The rack gear vehicle gear-to-rack engagement control method according to claim 6, characterized in that, When calculating the running distance of the vehicle by discrete sampling, the method further comprises the following step: correcting the distance between every two adjacent sampling points by trapezoidal method, and the formula is: * At; ； where S is the cumulative distance traveled by the vehicle; is the distance traveled in a single cycle; and are the speed values sampled at adjacent cycles, respectively; is the sampling period.

8. An engagement control system for a rack gear of a rack railway vehicle, characterized by The method comprises the following steps: a matching module, a meshing module, and a resolving module; the matching module is configured to match the linear velocity of the gear with the vehicle speed by rotating the gear; the meshing module is configured to cut off the rack motor to make the gear mesh with the rack in an idle state; the resolving module is configured to resolve the cutting off of the rack motor to make the vehicle switch to the rack line traction mode.

9. An electronic device, comprising: The method comprises the following steps: at least one processor; and a memory connected with the at least one processor, the memory storing a computer program executable by the at least one processor, and the computer program is executed by the at least one processor to enable the at least one processor to execute the method in any one of claims 1-7.

10. A computer-readable storage medium, characterized in that, The storage medium is used to store a computer program, and the computer program is used to enable a computer to execute the method in any one of claims 1-7.

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