Tractor

Abstract

The utility model relates to a tractor which comprises a frame body, the frame body is formed by connecting a first frame and a second frame, the frame body further comprises a first counter weight and a second counter weight, the first counter weight is symmetrically arranged on the first frame, the second counter weight is arranged on the second frame, and the first counter weight is arranged on the first frame. The tractor further comprises a walking assembly and a recognition assembly, and the walking assembly and the recognition assembly are matched to achieve advancing of the tractor. The tractor further comprises a charging assembly and an unhooking assembly, the charging assembly is arranged on the first frame, and the unhooking assembly is connected to the second frame. According to the utility model, the walking assembly and the identification assembly are arranged, and the navigation technology is combined and used, so that autonomous movement and obstacle avoidance are realized, manual driving is not needed, the labor cost is reduced, and the production efficiency is improved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical fields of automobiles and rail vehicles, in particular to a tractor. Background Art

[0002] In industrial production and logistics transportation, it is usually necessary to transfer goods from one place to another, and forklifts are often used as auxiliary transportation tools. Forklifts are mainly used for one-time handling of items, such as loading, unloading, stacking, and handling of goods. However, for goods with heavy self-weight, large volume, and long strip shape, forklifts are usually not suitable for handling such goods. Therefore, tractors emerge as a handling tool in the process of transferring such goods. Tractors are mainly used for handling heavy items, such as trailers, containers, or machinery and equipment. Its main function is to tow and transport heavy goods, and it is suitable for large places such as factories, warehouses, or logistics parks. Tractors can connect different carriages or trailers to achieve flexible cargo transportation combinations.

[0003] However, there are also problems in the using process as follows:

[0004] (1) Traditional tractors usually require manual operation to drive the tractor, and a driver's cab needs to be set up. The structure is complex and occupies a large space. Therefore, traditional tractors are large in size, and the turning radius increases, resulting in poor steering flexibility. Moreover, due to manual labor, the tractor cannot operate all day long, which affects the operation efficiency and requires high skills for personnel.

[0005] (2) The charging method of the driving battery of traditional tractors is contact charging, and it is easy to cause a sparking phenomenon at the moment when the charging head contacts, which has a high safety risk for the storage of dangerous and explosive goods.

[0006] (3) The manual drawbar on traditional tractors has no self-locking device, and the drawbar can be freely pulled out from the tractor, or there is a risk of unhooking after the drawbar is docked with the hook of the material vehicle during travel. Summary of the Utility Model

[0007] Aiming at the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a tractor to solve one or more problems in the prior art.

[0008] To achieve the above purpose, the technical solution of the utility model is as follows:

[0009] A tractor, comprising a frame body, the frame body is composed of a first frame and a second frame connected, the frame body further comprises a first counterweight and a second counterweight, the first counterweight is symmetrically arranged on the first frame, the second counterweight is arranged on the second frame, the tractor further comprises a traveling assembly and an identification assembly, the traveling assembly and the identification assembly cooperate to realize the traveling of the tractor; the tractor further comprises a charging assembly and a decoupling hook assembly, the charging assembly is arranged on the first frame, and the decoupling hook assembly is connected to the second frame.

[0010] Further, the traveling assembly comprises a driver and a wheel set, the driver is connected to the first frame, the wheel set comprises a first wheel body and a second wheel body, and the driver is electrically cooperated with the first wheel body.

[0011] Further, the first wheel body is rotatably and adjustably connected to the first frame, and the second wheel body is symmetrically and rotatably connected to the second frame.

[0012] Further, the second wheel body comprises a support shaft, a bearing, a flange, a caster and a retaining ring; the support shaft penetrates through the second frame, the bearings are arranged at both ends of the support shaft, the flange is sleeved on the bearing, and the flange is also connected to the caster and the retaining ring.

[0013] Further, the identification assembly comprises a first identification member and a second identification member, the first identification member is connected to the first frame, and the second identification member is symmetrically arranged on the first frame and close to the first wheel body.

[0014] Further, the charging assembly comprises a receiver and a battery, the receiver and the battery are electrically connected, the battery is arranged on the first frame, and the receiver is connected to the outside of the first frame.

[0015] Further, the decoupling hook assembly comprises a base, a support seat and an elbow clamp, the base is connected to the second frame, the support seat is connected to the base, and the elbow clamp is connected to the support seat.

[0016] Further, the decoupling hook assembly further comprises a motion mechanism, the motion mechanism comprises a handle, a connecting rod, a sliding shaft and a traction pin, the handle is rotatably connected to the elbow clamp, one end of the connecting rod is rotatably connected to the handle, the other end is rotatably connected to the sliding shaft, and one end of the sliding shaft is also connected to the traction pin; a limiting portion is further arranged on the surface of the handle.

[0017] Further, the decoupling hook assembly further includes a guiding portion, which includes a guiding sleeve and a guiding frame. The guiding sleeve is arranged in cooperation with the base and the supporting seat, and a part of the towing pin is arranged inside the guiding sleeve; the guiding frame is connected to the side of the base away from the second frame.

[0018] Further, the tractor further includes a controller, which is arranged on the first frame and electrically connected to the traveling assembly, the recognition assembly, and the charging assembly.

[0019] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0020] (1) By providing the traveling assembly and the recognition assembly and combining with the laser SLAM navigation technology, the present utility model realizes autonomous movement and obstacle avoidance, eliminates the need for manual driving, reduces labor costs, and improves production efficiency.

[0021] (2) By eliminating the traditional cockpit, the overall size of the vehicle body of the present utility model is reduced, and accordingly the turning radius of the vehicle is also reduced, improving the stability and safety during the transportation of the tractor.

[0022] (3) The charging assembly composed of a receiver and a battery provided by the present utility model adopts wireless non-contact charging, avoiding the occurrence of electric shock and fire caused by traditional contact charging, and is suitable for the transportation of dangerous, explosive, and flammable goods.

[0023] (4) The present utility model provides a decoupling hook assembly, which facilitates towing connection through the combined action of the movement mechanism and the guiding portion, is convenient for manual operation, has a self-locking function, and effectively prevents the phenomenon of the towing pin from decoupling. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Shows the structural schematic diagram of a tractor according to an embodiment of the present utility model Figure Ⅰ .

[0025] Figure 2 Shows the structural schematic diagram of a tractor according to an embodiment of the present utility model Figure Ⅱ .

[0026] Figure 3 Shows the structural schematic diagram of the frame of a tractor according to an embodiment of the present utility model.

[0027] Figure 4 Shows the structural schematic diagram of the decoupling hook assembly of a tractor according to an embodiment of the present utility model Figure Ⅰ .

[0028] Figure 5 Shows the structural schematic diagram of the decoupling hook assembly of a tractor according to an embodiment of the present utility model Figure Ⅱ .

[0029] Figure 6 The exploded structural schematic diagram of the second wheel body of a tractor in an embodiment of the present utility model is shown.

[0030] Reference numerals in the drawings: 1, frame body; 101, first frame; 102, second frame; 103, first counterweight; 104, second counterweight; 2, traveling assembly; 201, driver; 202, wheel set; 2021, first wheel body; 2022, second wheel body; 20221, support shaft; 20222, bearing; 20223, flange; 20224, caster; 20225, retaining ring; 3, identification assembly; 301, first identification member; 302, second identification member; 4, charging assembly; 401, receiver; 402, battery; 5, decoupling hook assembly; 501, base; 502, support seat; 503, toggle clamp; 504, motion mechanism; 5041, handle; 50411, limiting portion; 5042, connecting rod; 5043, sliding shaft; 5044, towing pin; 505, guiding portion; 5051, guiding sleeve; 5052, guiding frame; 6, controller. Specific embodiments

[0031] In order to make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the following further details a tractor proposed by the present utility model in combination with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the drawings in this specification are in a very simplified form and all use non-precise scales. The orientation or positional relationships indicated by terms such as "center", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. are based on the orientation or positional relationships shown in the drawings, rather than indicating or implying that a tractor or component must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model, and is only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present utility model. In order to make the purpose, features and advantages of the present utility model more obvious and understandable, please refer to the accompanying drawings.

[0032] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have technical essence. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed by the present utility model.

[0033] The specific structure of a tractor is described below:

[0034] Please refer to Figure 1 and Figure 3 For the tractor of this embodiment, it includes a frame body 1, and the frame body 1 is composed of a first frame 101 and a second frame 102 connected. The frame body 1 further includes a first counterweight 103 and a second counterweight 104. The first counterweight 103 is symmetrically arranged on the first frame 101, and the second counterweight 104 is arranged on the second frame 102. The arrangements of the first frame 101 and the second frame 102 serve as the main load-bearing components of the tractor, while the arrangements of the first counterweight 103 and the second counterweight 104 ensure that the vehicle will not tilt and slip when towing goods.

[0035] Please continue to refer to Figure 1 、 Figure 2 and Figure 6 For the tractor, it further includes a traveling assembly 2 and an identification assembly 3, and the traveling assembly 2 and the identification assembly 3 cooperate to realize the traveling of the tractor. The traveling assembly 2 includes a driver 201 and a wheel set 202. The driver 201 is connected to the first frame 101. The wheel set 202 includes a first wheel body 2021 and a second wheel body 2022. The driver 201 is electrically matched with the first wheel body 2021. The first wheel body 2021 is rotatably and adjustably connected to the first frame 101, and the second wheel body 2022 is symmetrically and rotatably connected to the second frame 102. Preferably, in this embodiment, the driver 201 has functions of traveling and steering, and can provide power for the first wheel body 2021 and drive the first wheel body 2021 to rotate 360°. In this embodiment, one first wheel body 2021 and two second wheel bodies 2022 are provided to form a three-point support, improving the traveling stability of the tractor.

[0036] Furthermore, the second wheel body 2022 includes a support shaft 20221, a bearing 20222, a flange 20223, a caster 20224 and a retaining ring 20225. The support shaft 20221 penetrates through the second frame 102. The bearings 20222 are arranged at both ends of the support shaft 20221. The flange 20223 is sleeved on the bearings 20222. The flange 20223 is also connected to the caster 20224 and the retaining ring 20225. Axial limit of the flange 20223 is performed through the retaining ring 20225 to improve the stability of the second wheel body 2022 when moving with the first wheel body 2021.

[0037] Further, the recognition component 3 includes a first recognition member 301 and a second recognition member 302. The first recognition member 301 is connected to the first frame 101 and is located at the top of the first frame 101. The second recognition members 302 are symmetrically arranged on the first frame 101 and are close to the first wheel body 2021, that is, the bottom of the first frame 101. In this embodiment, one first recognition member 301 is provided as a lidar for positioning to realize the automatic navigation driving of the tractor. Two second recognition members 302 are provided as obstacle avoidance radars to detect obstacles in the forward driving direction of the tractor, and the distance and angle information between the obstacles and the tractor are transmitted in real time.

[0038] Please continue to refer to Figure 1 , the tractor further includes a charging component 4. The charging component 4 is arranged on the first frame 101. The charging component 4 includes a receiver 401 and a battery 402. The receiver 401 and the battery 402 are electrically connected. The battery 402 is arranged on the first frame 101. The receiver 401 is connected to the outside of the first frame 101. Using the principle of electromagnetic induction, the receiver 401 is fixed on the first frame 101, and the wireless charging transmitter is arranged at a fixed position in the warehouse and is powered through a cable. When the power of the tractor is insufficient, the tractor automatically moves to near the wireless charging transmitter. After the transmitter and the receiver 401 are close, the charging circuit is turned on to charge the battery 402 on the tractor. After the charging is completed, the tractor leaves the wireless charging transmitter.

[0039] Please continue to refer to Figure 2 , Figure 4 and Figure 5 , the tractor further includes a decoupling hook component 5. The decoupling hook component 5 is connected to the second frame 102. The decoupling hook component 5 includes a base 501, a support seat 502 and an elbow clamp 503. The base 501 is connected to the second frame 102, the support seat 502 is connected to the base 501, and the elbow clamp 503 is connected to the support seat 502.

[0040] Further, the unhooking assembly 5 also includes a motion mechanism 504, which includes a handle 5041, a connecting rod 5042, a sliding shaft 5043 and a traction pin 5044. The handle 5041 is rotatably connected to the toggle clamp 503, one end of the connecting rod 5042 is rotatably connected to the handle 5041, the other end of the connecting rod 5042 is rotatably connected to the sliding shaft 5043, and one end of the sliding shaft 5043 is also connected to the traction pin 5044. Preferably, the handle 5041 and the connecting rod 5042, the connecting rod 5042 and the sliding shaft 5043 are both connected by a pin, and the sliding shaft 5043 and the traction pin 5044 are connected by a threaded connection. In other embodiments, other objects may also be used. A limiting portion 50411 is also provided on the surface of the handle 5041.

[0041] Furthermore, the unhooking assembly 5 also includes a guide portion 505, and the guide portion 505 includes a guide sleeve 5051 and a guide frame 5052. The guide sleeve 5051 is arranged to cooperate with the base 501 and the support seat 502, a part of the traction pin 5044 is arranged in the guide sleeve 5051, and the guide frame 5052 is connected to the side of the base 501 away from the second frame 102.

[0042] Further, such as Figure 4 The figure shows the hooking state, the tractor hook is guided into the interior by the guide frame 5052, and then the handle 5041 is pressed downward to drive the connecting rod 5042 to move, and the connecting rod 5042 drives the sliding shaft 5043 to move, so that the traction pin 5044 slides downward in the guide sleeve 5051 until the limit part 50411 on the handle 5041 contacts the connecting rod 5042, at which time the upper and lower pin shaft centers of the connecting rod 5042 and the center axis of the traction pin 5044 are in the same plane, and the traction pin 5044 cannot slide upward and is in a locked state, and the hooking is completed. On the contrary, if Figure 5 The figure shows the unhooked state. When the handle 5041 is pushed upward, the connecting rod 5042 moves to drive the sliding shaft 5043 to move, and then the traction pin 5044 is lifted upward. At this time, the traction pin 5044 is unhooked from the hook.

[0043] Furthermore, the tractor also includes a controller 6, which is disposed on the first frame 101 and is electrically connected to the travel component 2, the identification component 3 and the charging component 4, thereby coordinating the operation of the tractor.

[0044] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as falling within the scope described in this specification. The above-described embodiments only express several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A tractor, comprising a frame body, the frame body is composed of a first frame and a second frame connected, the frame body further comprises a first counterweight and a second counterweight, the first counterweight is symmetrically arranged on the first frame, the second counterweight is arranged on the second frame, and is characterized in that: The tractor further includes a traveling assembly and an identification assembly, and the traveling assembly and the identification assembly cooperate to realize the advancement of the tractor; the tractor further includes a charging assembly and a decoupling hook assembly, the charging assembly is arranged on the first frame, and the decoupling hook assembly is connected to the second frame.

2. The tractor according to claim 1, characterized in that: The traveling assembly includes a driver and a wheel set, the driver is connected to the first frame, the wheel set includes a first wheel body and a second wheel body, and the driver is electrically cooperated with the first wheel body.

3. The tractor according to claim 2, characterized in that: The first wheel body is rotatably and adjustably connected to the first frame, and the second wheel body is symmetrically and rotatably connected to the second frame.

4. The tractor according to claim 3, characterized in that: The second wheel body includes a support shaft, a bearing, a flange, a caster and a retaining ring; the support shaft penetrates through the second frame, the bearings are arranged at both ends of the support shaft, the flange is sleeved on the bearing, and the flange is also connected to the caster and the retaining ring.

5. A tractor as claimed in claim 4, characterized in that: The identification assembly includes a first identification member and a second identification member, the first identification member is connected to the first frame, and the second identification member is symmetrically arranged on the first frame and close to the first wheel body.

6. The tractor according to claim 5, characterized in that: The charging assembly includes a receiver and a battery, the receiver and the battery are electrically connected, the battery is arranged on the first frame, and the receiver is connected to the outside of the first frame.

7. The tractor according to claim 6, characterized in that: The decoupling hook assembly includes a base, a support seat and an elbow clamp, the base is connected to the second frame, the support seat is connected to the base, and the elbow clamp is connected to the support seat.

8. A tractor according to claim 7, characterized in that: The decoupling hook assembly further includes a motion mechanism, the motion mechanism includes a handle, a connecting rod, a sliding shaft and a traction pin, the handle is rotatably connected to the elbow clamp, one end of the connecting rod is rotatably connected to the handle, and the other end is rotatably connected to the sliding shaft, and one end of the sliding shaft is also connected to the traction pin; a limiting portion is further arranged on the surface of the handle.

9. A tractor as claimed in claim 8, characterized in that: The decoupling hook assembly further includes a guiding portion, the guiding portion includes a guiding sleeve and a guiding frame, the guiding sleeve is arranged in cooperation with the base and the support seat, and a part of the traction pin is arranged in the guiding sleeve; the guiding frame is connected to the side of the base away from the second frame.

10. A tractor as claimed in claim 9, wherein: The tractor further includes a controller, the controller is arranged on the first frame and is electrically connected to the traveling assembly, the identification assembly and the charging assembly.

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