Double-wheel differential steering wheel test trolley

Abstract

The utility model discloses a double-wheel differential steering wheel test trolley, which comprises a frame, a double-wheel differential steering wheel is arranged at the center of the frame, an electric cabinet is arranged above the double-wheel differential steering wheel, a touch screen is arranged on the top surface of the electric cabinet, an operating rod is arranged beside the touch screen, and the frame is formed by splicing two flat plates. The flat plates are connected through a frame structure, a pair of wheel sets are arranged at the bottom of one flat plate, a circular hole is formed in the center of the other flat plate, and a rectangular frame is further welded to the tail of the flat plate. Therefore, the operation conditions of the mechanism under different working conditions are verified by placing the balancing weights with different weights.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental trolleys, in particular to a double-wheel differential steering wheel test trolley. Background Art

[0002] AGV (Automated Guided Vehicle) is an unmanned transport vehicle widely used in modern logistics and industrial production. In view of the mobility of AGV, a two-wheel differential steering wheel has been developed, which needs to be tested for performance. The differential steering wheel test bench is an experimental platform designed to study and test the performance of differential steering wheels. As an important vehicle steering and balancing device, differential steering wheels are widely used in various types of vehicles, especially motor vehicles. The differential steering wheel realizes the differential rotation of the wheels through the action of the differential, allowing the vehicle to turn smoothly and improve handling and stability. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model solves the problem of lack of a dual-wheel differential steering wheel test trolley in the prior art.

[0004] A dual-wheel differential steering wheel test bench comprises a frame, a dual-wheel differential steering wheel is arranged at the center of the frame, an electric control box is arranged above the dual-wheel differential steering wheel, a touch screen is arranged on the top surface of the electric control box, and an operating lever is arranged next to the touch screen.

[0005] Furthermore, the frame is formed by splicing two flat plates, which are connected by a frame structure. A pair of wheels is provided at the bottom of one of the flat plates, a circular hole is opened at the center of the other flat plate, and a rectangular frame is welded to the tail of the flat plate.

[0006] Furthermore, a servo drive, a PLC and an analog quantity module are arranged inside the electric control box.

[0007] Furthermore, the dual-wheel differential steering wheel is a dual-wheel structure, and automatically adjusts the speed difference between the left and right wheels through the differential to achieve smooth turning of the vehicle.

[0008] Furthermore, the operating rod is an omnidirectional operating rod.

[0009] Furthermore, the electric control box is a rectangular box-shaped structure, and a movable door is provided on the front of the electric control box.

[0010] Furthermore, the frame is provided with a flat plate having a double-wheel differential steering wheel and has a higher level than the other flat plate.

[0011] Beneficial effects of the utility model:

[0012] The present application can effectively test the dual-wheel differential steering wheel, and is provided with an additional storage structure for placing counterweights, thereby verifying the operation of the mechanism under different working conditions by placing counterweights of different weights. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a schematic diagram of the structure of a double-wheel differential steering wheel test bench.

[0014] In the figure: 1-frame, 2-dual-wheel differential steering wheel, 3-electric control box, 4-touch screen, 5-operating lever. DETAILED DESCRIPTION

[0015] The following is an explanation of the implementation of the present invention by specific specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to the implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present utility model. In order to provide a deep understanding of the present utility model, many specific details will be included in the following description. The present utility model can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present utility model, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. It should be noted that in this specification, similar reference numerals and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further defined and explained in the subsequent figures.

[0016] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not indicate quantity restrictions, but indicate the existence of at least one. Words such as "set", "connected", "connected" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances. The directions or positional relationships indicated by “upper”, “lower”, “left”, “right”, “inner”, “bottom”, etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0017] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0018] In this embodiment, as shown in the attached Figure 1 As shown, a two-wheel differential steering wheel test bench includes a frame 1, a two-wheel differential steering wheel 2 is arranged at the center of the frame 1, an electric control box 3 is arranged above the two-wheel differential steering wheel 2, a touch screen 4 is arranged on the top surface of the electric control box 3, and an operating lever 5 is arranged next to the touch screen 4.

[0019] Furthermore, the frame 1 is formed by splicing two flat plates, which are connected by a frame structure. A pair of wheels is provided at the bottom of one of the flat plates, a circular hole is opened at the center of the other flat plate, and a rectangular frame is welded to the tail of the flat plate.

[0020] Furthermore, the electric control box 3 is internally provided with a servo drive, a PLC, and an analog quantity module.

[0021] Furthermore, the dual-wheel differential steering wheel 2 is a dual-wheel structure, and automatically adjusts the speed difference between the left and right wheels through the differential to achieve smooth turning of the vehicle.

[0022] Furthermore, the operating rod 5 is an omnidirectional operating rod.

[0023] Furthermore, the electric control box 3 is a rectangular box-shaped structure, and a movable door is provided on the front of the electric control box 3.

[0024] Furthermore, the frame 1 is provided with a flat plate with a dual-wheel differential steering wheel, and the horizontal height of the flat plate is higher than that of the other flat plate.

[0025] This application works as follows:

[0026] When working, push the operating lever 5, and the potential signal on the operating lever 5 is collected by the analog module and fed back to the PLC. The PLC processes the signal and outputs the corresponding control signal to the servo driver. The servo driver transmits the instruction to the motor, and the motor drives the wheels to realize the start, stop, forward, backward and turning functions of the test bench.

[0027] The steering angle can be set through the touch screen 4, and the steering angle displayed on the touch screen 4 can remain synchronized after power failure. The electronic control system has a software limit function, and its limit angle can be adjusted through the touch screen 4. In addition, there are two mechanical limits on the stand, which can protect it when the software limit fails during operation.

[0028] Beneficial effects of the utility model:

[0029] The present application can effectively test the dual-wheel differential steering wheel, and is provided with an additional storage structure for placing counterweights, thereby verifying the operation of the mechanism under different working conditions by placing counterweights of different weights.

[0030] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A dual-wheel differential steering wheel test trolley, characterized in that: The vehicle comprises a frame (1), a dual-wheel differential steering wheel (2) is arranged at the center of the frame (1), an electric control box (3) is arranged above the dual-wheel differential steering wheel (2), a touch screen (4) is arranged on the top surface of the electric control box (3), and an operating lever (5) is arranged next to the touch screen (4).

2. A dual-wheel differential steering wheel test trolley according to claim 1, characterized in that: The vehicle frame (1) is formed by splicing two flat plates, which are connected by a frame structure. A pair of wheels is arranged at the bottom of one of the flat plates, a circular hole is opened at the center of the other flat plate, and a rectangular frame is welded to the rear of the flat plate.

3. A dual-wheel differential steering wheel test bench according to claim 1, characterized in that: The electric control box (3) is internally provided with a servo drive, a PLC, and an analog quantity module.

4. A dual-wheel differential steering wheel test bench according to claim 1, characterized in that: The dual-wheel differential steering wheel (2) is a dual-wheel structure, and the speed difference between the left and right wheels is adjusted through a differential.

5. The dual-wheel differential steering wheel test trolley according to claim 1, characterized in that: The operating rod (5) is an omnidirectional operating rod.

6. The dual-wheel differential steering wheel test trolley according to claim 1, characterized in that: The electric control box (3) is a rectangular box-shaped structure, and a movable door is provided on the front of the electric control box (3).

7. The dual-wheel differential steering wheel test trolley according to claim 1, characterized in that: The vehicle frame (1) is provided with a flat plate on which the dual-wheel differential steering wheels (2) are arranged, and the horizontal height of the flat plate is higher than that of the other flat plate.

Images