Rail transport vehicle
The design of the rail transport vehicle, which uses rail power and wireless control, solves the problems of large space occupation, high cost, and limited track length in existing technologies, achieving the effects of saving space, reducing costs, and expanding the transport range.
Patent Information
- Application Number
- CN202423157312.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The power and signal transmission of existing rail transport vehicles rely on flexible flat cables, which occupy a lot of space, are costly, have limited track length, are susceptible to interference from other equipment, and the control depends on external equipment, affecting the stability of the transport vehicle's mission.
It adopts a rail-based power supply method, drawing power from the power rail via walking wheels. It achieves independent control by combining a controller and a client, and utilizes a local area network within the wireless signal coverage area for interconnection, reducing the need for cable routing, lowering costs, and expanding the delivery range.
It achieves space saving and cost reduction, the track length is not limited by cables, independent control is not affected by external equipment, has a wide range of applications, and improves the flexibility of transport vehicles.
Smart Images

Figure CN223687442U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of transport vehicle, especially a track transport vehicle. BACKGROUND
[0002] The existing warehouse management is to transport goods by the transport vehicle, to move on the track by the motor drive, and to cooperate with the external PLC to carry out the motion control, to complete the action of shuttling transport goods on the fixed long track. The goods transport steps are as follows: reaching the goods taking point - waiting for the plate putting machine to put the plate - driving to the goods unloading point - reaching the goods unloading point - waiting for the plate taking machine to take the plate - returning to the goods taking point.
[0003] The existing RGV trolley needs to use the flexible flat cable with the length of the track to transmit the power supply of the transport vehicle, the detection signal from the trolley body and the control signal from the outside when running on the track, needs to reserve more space on the track side, installs the corresponding cable support, facilitates wiring and has high cost; at the same time, because the length of the flexible flat cable is limited, the track of the transport vehicle should not be too long, which limits the moving range of the transport vehicle. Secondly, the wiring route should be paid attention to when using the flat cable for signal transmission, and other equipment power lines should be avoided as much as possible to prevent the magnetic field of the power line from interfering with the signal transmission. If other equipment fails and needs to be shut down, or short circuit occurs and needs to be powered off, the operation task of the transport vehicle will also be affected. UTILITARIAN CONTENT
[0004] The utility model solves the technical problem to provide a track transport vehicle, saves the space, reduces the cost, transports the wide range, and controls independently.
[0005] In order to solve the above technical problem, the utility model provides a track transport vehicle, including the electricity taking guide rail and the car body that sets up on electricity taking guide rail, the car body includes the bearing body and respectively sets up on the control mechanism and the transport mechanism of bearing body,
[0006] The control mechanism includes the controller and the client, and the controller and the client are connected. The transport mechanism includes the walking wheel, the walking wheel and the electricity taking guide rail are connected in sliding mode, so that the car body can move along the electricity taking guide rail. And the walking wheel is electrically connected with the electricity taking guide rail and the control mechanism, so as to power the control mechanism.
[0007] As the improvement of the above scheme, the transport mechanism further includes the electricity taking brush, the electricity taking brush and the walking wheel abut, and the electricity taking brush and the control mechanism are electrically connected.
[0008] As the improvement of the above scheme, the electricity taking brush is carbon brush.
[0009] As the improvement of the above-mentioned scheme, the conveying mechanism further comprises a transformer, and the power taking brush is electrically connected with the control mechanism through the transformer.
[0010] As the improvement of the above-mentioned scheme, the bottom of the bearing body is provided with a wheel seat, and the walking wheel and the power taking brush are both mounted on the wheel seat.
[0011] The bearing body and the wheel seat are connected through elastic components.
[0012] As the improvement of the above-mentioned scheme, the walking wheel comprises a driving wheel and a driven wheel, and the driving wheel and the driven wheel are respectively arranged at two ends of the bearing body.
[0013] The conveying mechanism further comprises a driving mechanism connected with the controller, and the driving mechanism is connected with the driving wheel to drive the driving wheel to rotate.
[0014] As the improvement of the above-mentioned scheme, the control mechanism further comprises a frequency converter, and the controller is connected with the driving mechanism through the frequency converter.
[0015] As the improvement of the above-mentioned scheme, a position sensor for detecting the real-time position of the vehicle body on the power taking rail is further included.
[0016] As the improvement of the above-mentioned scheme, a weight sensor for detecting the weight of the goods on the vehicle body is further included.
[0017] As the improvement of the above-mentioned scheme, the control mechanism comprises a control cabinet, and the controller and the client are both arranged in the control cabinet.
[0018] The present application has the following beneficial effects:
[0019] The track transport vehicle adopts the track power taking mode, specifically taking power from the power taking rail through the walking wheel to realize power supply to the equipment on the vehicle body, saves the space required for using the flat cable wiring and the cost of support, and also reduces the influence of the signal line during signal transmission, and the track is not limited by the length of the flexible flat cable, and the length of the track can be designed according to the conveying range, so that the conveying range is wide.
[0020] In addition, the vehicle body is further provided with a controller and a client. The controller controls the vehicle body independently and is not affected by other equipment. The controller can be connected with WIFI through the client, and within the WIFI coverage range, the local area network and other equipment can be interconnected, the laying of the track can not be limited by the length of the flat cable, the interference of the signal line during the transmission, etc., and within the range covered by the wireless signal, the track can be laid, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is the front view of the track transport vehicle of the present application;
[0022] Figure 2 is Figure 1 a left view of the figure;
[0023] Figure 3 is Figure 1 a top view of the figure;
[0024] Figure 4 is Figure 1 a perspective view of the figure;
[0025] Figure 5 is a schematic view of the connection structure of the walking wheel, the power taking rail and the power taking brush of the utility model;
[0026] Figure 6 is a working flow chart of the track transport vehicle of the utility model. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. It is declared only that the up, down, left, right, front, back, inner and outer orientation words appearing or about to appear in the text of the utility model are based on the drawings of the utility model, and it is not a specific limitation on the utility model.
[0028] Referring to Figures 1-6 , the utility model discloses a track transport vehicle, including power taking rail 1 and the car body 2 of being established on power taking rail 1, the car body 2 includes the bearing body 21 and respectively being established on the bearing body 21 control mechanism and transport mechanism.
[0029] The control mechanism includes controller 31 and client 32, and the controller 31 and client 32 are connected;The transport mechanism includes walking wheel 5, and the walking wheel 5 and power taking rail 1 are slidingly connected, so that the car body 2 can move along power taking rail 1;And the walking wheel 5 is electrically connected with power taking rail 1 and control mechanism respectively, to power supply for control mechanism. Wherein, the controller 31 is PLC controller.
[0030] The utility model track transport vehicle adopts the mode of taking power from the track, specifically is through walking wheel from power taking rail and takes power, realizes the power supply to the equipment on the car body, saves the space needed for using flat cable wiring and the cost such as support, and also can reduce the influence that signal line receives when signal transmission, and the track is not limited by the length of flexible flat cable, and the length of track can be designed according to the transport range, so that the transport range is wide.
[0031] In addition, the vehicle body is equipped with a controller and a client. The controller independently controls the vehicle body, unaffected by other devices. The controller can connect to Wi-Fi via the client, and within Wi-Fi coverage area, it can interconnect with other devices through a local area network. Track laying can be carried out without considering limitations such as flat cable length or signal interference within the line. Track laying can be carried out within the wireless signal coverage area, making it widely applicable.
[0032] Preferably, such as Figure 5 As shown, the transport mechanism also includes a power-collecting brush 6, which abuts against the traveling wheel 5 and is electrically connected to the control mechanism. When the traveling wheel moves on the power-collecting guide rail, the power-collecting brush transmits the collected electricity to the control mechanism, thus achieving automatic power collection. The surface of the traveling wheel and the power-collecting guide rail are both made of metal. The electricity from the power-collecting guide rail is transmitted to the power-collecting brush through the traveling wheel, and then the power-collecting brush supplies electricity to the electrical equipment on the vehicle body. This eliminates the need for cables, resulting in a simple structure, space-saving design, and low cost. Specifically, the power-collecting brush 6 is electrically connected to the controller 31, which supplies electricity to the corresponding electrical equipment according to operational needs, enabling the rail transport vehicle to perform the corresponding actions.
[0033] More preferably, the brush 6 is a carbon brush. A carbon brush is a device that transmits energy or signals between the stationary and rotating parts of an electric motor, generator, or other rotating machinery. It is generally made of pure carbon with a solidifying agent.
[0034] Preferably, such as Figure 2 As shown, the conveying mechanism also includes a transformer 34, and the power-collecting brush 6 is electrically connected to the control mechanism through the transformer 34. This invention adopts a track-based power collection method, directly drawing power from the power-collecting guide rail via the traveling wheels. The AC power is then stepped up to 220V AC by the transformer to supply power to the control mechanism and other equipment, ensuring that the supplied power meets the power requirements of each electrical device.
[0035] Preferably, such as Figure 5 As shown, the bottom of the supporting body 21 is provided with a wheel seat 53, on which the traveling wheel 5 and the power collection brush 6 are both mounted. The wheel seat facilitates the installation of the traveling wheel and the power collection brush, resulting in a compact structure and reliable connection.
[0036] Better, such as Figure 5 As shown, the supporting body 21 and the wheel seat 53 are connected by an elastic component 54. The elastic component is a spring. The supporting body applies downward pressure to the traveling wheel through the elastic component, ensuring that the traveling wheel is in close contact with the power supply rail, further ensuring the reliability of power supply to the traveling wheel.
[0037] Furthermore, such as Figure 1As shown in the drawings, the walking wheels 5 include a driving wheel 51 and a driven wheel 52, which are respectively arranged at two ends of the carrying body 21; the conveying mechanism further includes a driving mechanism 4 connected with the controller 31, the driving mechanism 4 is connected with the driving wheel 51 to drive the driving wheel 51 to rotate. The driving mechanism is a driving motor connected with the driving wheel to drive the driving wheel to rotate, so that the vehicle body moves along the power taking rail, and the driven wheel is driven to move along the power taking rail as well. The driven wheel plays a role of supporting the vehicle body.
[0038] Preferably, as shown in the drawings, Figures 1-4 , the control mechanism further includes a frequency converter 33, and the controller 31 is connected with the driving mechanism 4 through the frequency converter 33. The controller realizes accurate control of the driving mechanism through the frequency converter.
[0039] The setting values corresponding to the speed of the driving motor controlled by the AC frequency converter are set according to requirements, such as no-load speed, load speed, acceleration and deceleration time, etc. The controller is connected with the frequency converter through an RS-485 communication protocol. The frequency converter converts the 220V 50Hz AC power into AC power of different frequencies to control the driving motor according to signals. The driving motor completes actions such as slow movement of heavy load, fast movement to position in no-load state, smooth conversion between fast and slow speeds, etc. according to signals of the frequency converter. Specifically, the PLC sends a fast movement instruction to the frequency converter to control the motor to rotate fast, and the trolley moves fast to a target point; or the PLC sends a slow speed instruction to the frequency converter to control the motor to decelerate, and the trolley moves slowly to the target point.
[0040] Preferably, as shown in the drawings, Figure 1 , 4 The utility model further includes a position sensor 7 for detecting the real-time position of the vehicle body 2 on the power taking rail 1. The position sensor 7 can be a photoelectric switch or a travel switch, but is not limited thereto. The PLC judges the actual position through feedback of the position detection, and judges whether to perform acceleration and deceleration or start and stop actions according to whether the actual position is loaded with goods, etc., communicates with the frequency converter, and modifies the frequency value set internally or transmits a start signal to the frequency converter.
[0041] Preferably, the utility model further includes a weight sensor (not shown in the drawings) for detecting the weight of goods on the vehicle body 2. The PLC determines to send a fast or slow speed instruction to the frequency converter according to the actual load weight of the goods through feedback of the weight detection.
[0042] It should be noted that, as Figures 1-2As shown in Figs. 1-4, the control mechanism comprises a control cabinet 3, and the controller 31 and the client 32 are arranged in the control cabinet 3. In addition, the frequency converter 33 and the transformer 34 are also arranged in the control cabinet 3. The control, detection, power and other systems are integrated in the control cabinet 3 of the vehicle body 2, and are interconnected with other devices through the client 32, breaking the limitation of flat cables, saving the space on the track side, so that the laying of the track does not need to consider the limitation of the cable, the one-to-one control of the PLC and the transport vehicle avoids the interference of other devices, and meanwhile, the flexibility of the transport vehicle is also increased.
[0043] In summary, the utility model provides a kind of track transport vehicle, save space, reduce cost, transport range is wide, independent control.
[0044] The above is the preferred embodiment of the utility model, it should be pointed out that for the ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements are also considered as the protection scope of the utility model.
Claims
1. A railcar, characterized by, The application relates to a power-taking rail and a vehicle body arranged on the power-taking rail, wherein the vehicle body comprises a bearing body and a control mechanism and a conveying mechanism arranged on the bearing body respectively. The control mechanism comprises a controller and a client, and the controller and the client are connected; the conveying mechanism comprises a walking wheel, the walking wheel and the power-taking rail are slidingly connected to enable the vehicle body to move along the power-taking rail; and the walking wheel is electrically connected to the power-taking rail and the control mechanism respectively to supply power to the control mechanism.
2. The railcar of claim 1, wherein, The conveying mechanism further comprises a power-taking brush, the power-taking brush and the walking wheel are in abutment, and the power-taking brush and the control mechanism are electrically connected.
3. The railcar of claim 2, wherein, The power-taking brush is a carbon brush.
4. The railcar of claim 2, wherein, The conveying mechanism further comprises a transformer, and the power-taking brush and the control mechanism are electrically connected through the transformer.
5. The railcar of claim 2, wherein, The bottom of the bearing body is provided with a wheel seat, and the walking wheel and the power-taking brush are both mounted on the wheel seat. The bearing body and the wheel seat are connected through an elastic component.
6. The railcar of claim 1, wherein, The walking wheel comprises a driving wheel and a driven wheel, and the driving wheel and the driven wheel are arranged at two ends of the bearing body respectively. The conveying mechanism further comprises a driving mechanism connected to the controller, and the driving mechanism and the driving wheel are connected to drive the driving wheel to rotate.
7. The railcar of claim 6, wherein, The control mechanism further comprises a frequency converter, and the controller and the driving mechanism are connected through the frequency converter.
8. The railcar of claim 1, wherein, The application further comprises a position sensor for detecting the real-time position of the vehicle body on the power-taking rail.
9. The rail car of claim 1, wherein, The application further comprises a weight sensor for detecting the weight of goods on the vehicle body.
10. The railcar of any one of claims 1-9, wherein, The control mechanism comprises a control cabinet, and the controller and the client are arranged in the control cabinet.