Automatic lifting tractor

Abstract

The utility model discloses an automatic lifting tractor which comprises a tractor frame body, a cargo carrying lifting mechanism, a traction steering mechanism, a driven wheel assembly, a peripheral sealing plate, a roller shutter door and an electric control cabinet, the cargo carrying lifting mechanism is installed on the tractor frame body, and the traction steering mechanism is rotatably installed on the front side of the tractor frame body. A driven wheel assembly for shock absorption is installed below the frame body, a peripheral sealing plate is installed on the frame body, the cargo carrying lifting mechanism is located in the peripheral sealing plate, a roller shutter door is installed at the side end of the frame body, and an electric control cabinet is further installed on the frame body. By means of the mode, the automatic lifting cargo carrying table has the function of automatically lifting the cargo carrying table, palletized cargos are lifted to the designated height and then dragged to the designated position through the tractor, the structure is simple, safety and reliability are achieved, applicability is good, and the palletized cargos can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation, in particular to an automatic lifting tractor. Background Art

[0002] Existing tractor flatbed trucks have the following defects: most of them only have the function of towing and carrying goods, and have no automatic lifting function; the carrying surface is a flat support surface, which can only be lifted to a certain height by a forklift and then the palletized goods can be placed on the flat support surface. When the forklift is a ground forklift, the flatbed tractor cannot dock with the ground forklift; existing flatbed trucks rarely have external awnings and automatic rolling doors, and cannot protect palletized goods when used outdoors in rainy and snowy days.

[0003] Based on the above defects and deficiencies, it is necessary to improve the existing technology and design an automatic lifting tractor. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an automatic lifting tractor, which lifts pallet cargo to a specified height and then tows the pallet cargo to a specified position by the tractor. The utility model has a simple structure, is safe and reliable, has good applicability, and can protect the pallet cargo.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is to provide an automatic lifting tractor, which includes:

[0006] Frame body;

[0007] A cargo lifting mechanism is mounted on the vehicle frame body and docked with a forklift or a ground bull forklift to lift palletized cargo;

[0008] The traction steering mechanism is rotatably mounted on the front side of the frame body and docked with the traction locomotive for traction and transportation;

[0009] A driven wheel assembly is installed below the frame body;

[0010] The outer sealing plate is installed around the frame body, and the cargo lifting mechanism is located inside the outer sealing plate to protect the pallet cargo and is suitable for outdoor severe rain and snow weather;

[0011] The rolling door is installed at the side end of the frame body, and is manually pressed by a button to realize the lifting of the rolling door;

[0012] An electric control cabinet is installed on the frame body;

[0013] The cargo lifting mechanism includes hydraulic cylinders vertically installed on both sides of the frame body, a cargo platform driven to move up and down by the hydraulic cylinders, lateral supporting wheels installed on both sides of the cargo platform for bearing the additional force caused by the eccentricity of the cargo load, and longitudinal supporting wheels for limiting the cargo platform to be located in the middle position of the frame body. The lateral supporting wheels and the longitudinal supporting wheels are in rolling contact with the frame body. A height position sensor for use with the cargo platform is provided on the top of the frame body. A hydraulic oil tank assembly connected to the hydraulic cylinder through a hydraulic pipeline is also installed on the frame body.

[0014] Preferably, a plurality of work station pallet cargo spaces are provided on the cargo platform.

[0015] Preferably, the traction steering mechanism includes a load-bearing frame, a slewing support, a traction frame, a traction member, an intermediate shaft and a steering wheel. The load-bearing frame is rotatably connected to the frame body through the slewing support, the front side of the load-bearing frame is hingedly connected to the traction frame in the upper and lower directions through a pin shaft, the front end of the traction frame is equipped with a traction member that can be connected to the traction head, the lower end of the load-bearing frame is equipped with an intermediate shaft, and steering wheels are installed on both sides of the intermediate shaft.

[0016] Preferably, the driven wheel assembly includes a connecting shaft, a shock-absorbing spring, a fixing seat and a driven wheel, two shock-absorbing springs are installed on the connecting shaft, fixing seats are fixedly installed at both ends of the shock-absorbing spring, the fixing seats are fixed on the frame body, and driven wheels are installed at both ends of the connecting shaft.

[0017] Preferably, the steering wheel of the traction steering mechanism and the driven wheel of the driven wheel assembly both use solid rubber tires.

[0018] Preferably, the frame body and the cargo platform are formed by welding rectangular tubes.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The forklift used for docking and transferring can be an ordinary forklift or a manual forklift, which has good applicability;

[0021] The cargo lifting mechanism with wheels is used to realize the lifting of the cargo platform through hydraulic lifting, which has the advantages of simple structure, safety and reliability.

[0022] It is designed with outer sealing panels and rolling shutter doors to protect palletized cargo when used outdoors in rainy and snowy weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The figure is a structural diagram of an automatic lifting tractor.

[0024] Figure 2 The figure is a schematic diagram of the internal structure of an automatic lifting tractor.

[0025] Figure 3 The diagram is a partial structural diagram of the cargo lifting mechanism of an automatic lifting tractor.

[0026] Figure 4 The figure is a structural diagram of the traction steering mechanism of an automatic lifting tractor.

[0027] Figure 5 The figure is a schematic structural diagram of a driven wheel assembly of an automatic lifting tractor.

[0028] Among them, 1. Frame body, 2. Cargo lifting mechanism, 21. Hydraulic cylinder, 22. Cargo platform, 220. Pallet cargo position, 23. Horizontal leaning wheel, 24. Longitudinal leaning wheel, 25. Hydraulic oil tank assembly, 3. Traction steering mechanism, 31. Load-bearing frame, 32. Slewing support, 33. Traction frame, 34. Traction parts, 35. Intermediate shaft, 36. Steering wheel, 4. Driven wheel assembly, 41. Connecting shaft, 42. Shock-absorbing spring, 43. Fixed seat, 44. Driven wheel, 5. Outer cover plate, 6. Rolling door, 7. Electric control cabinet. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0030] See also Figures 1 to 5 , the embodiments of the present utility model include:

[0031] An automatic lifting tractor comprises a frame body 1, a cargo lifting mechanism 2, a traction steering mechanism 3, a driven wheel assembly 4, an outer sealing plate 5, a rolling door 6 and an electric control cabinet 7.

[0032] A cargo lifting mechanism 2 is installed on the frame body 1, a traction steering mechanism 3 is rotatably installed on the front side of the frame body 1, a shock-absorbing driven wheel assembly 4 is installed below the frame body 1, an outer sealing plate 5 is installed on the frame body 1, the cargo lifting mechanism 2 is located inside the outer sealing plate 5, a rolling door 6 is installed on the side end of the frame body 1, and an electric control cabinet 7 is also installed on the frame body 1.

[0033] The cargo lifting mechanism 2 includes a hydraulic cylinder 21, a cargo platform 22, a transverse leaning wheel 23, a longitudinal leaning wheel 24 and a hydraulic oil tank assembly 25. Hydraulic cylinders 21 are vertically installed on both sides of the frame body 1. The two hydraulic cylinders 21 drive the cargo platform 22 to move up and down. A three-station pallet cargo position 220 is provided on the cargo platform 22, which can be docked with an ordinary forklift and an artificial ground ox, and can simultaneously meet the handling and relocation of three-station pallet cargo. Transverse leaning wheels 23 and longitudinal leaning wheels 24 that are in rolling contact with the frame body 1 are respectively installed on both sides of the cargo platform 22, wherein the transverse leaning wheel 23 is used to bear the additional load caused by the eccentricity of the cargo load. force, the longitudinal leaning wheel 24 is used to limit the cargo platform 22 to the middle position of the frame body 1, and always maintain a safety gap of 1-2mm. The transverse leaning wheel 23 and the longitudinal leaning wheel 24 also play a guiding and limiting role in the vertical direction. A height position sensor (not shown in the figure) used in conjunction with the cargo platform 22 is provided on the top of the frame body 1. During normal use, the hydraulic cylinder 21 extends to lift the cargo platform 22 to a high position. The pallet cargo is at a certain height from the ground, triggering the height position sensor. The hydraulic cylinder 21 is connected to the hydraulic oil tank assembly 25 through a hydraulic pipeline, and the hydraulic oil tank assembly 25 is installed on the frame body 1.

[0034] The frame body 1 and the cargo platform 22 are welded from rectangular tubes and have high strength and rigidity.

[0035] The traction and steering mechanism 3 includes a load-bearing frame 31, a slewing support 32, a traction frame 33, a traction member 34, an intermediate shaft 35 and a steering wheel 36. The load-bearing frame 31 is rotatably connected to the frame body 1 through the slewing support 32 to achieve rotation and turning. The front side of the load-bearing frame 31 is hingedly connected to the traction frame 33 in the upper and lower directions through a pin shaft. The front end of the traction frame 33 is equipped with a traction member 34 that can be connected to the traction head. The lower end of the load-bearing frame 31 is equipped with an intermediate shaft 35, and steering wheels 36 are installed on both sides of the intermediate shaft 35.

[0036] The driven wheel assembly 4 includes a connecting shaft 41, a shock-absorbing spring 42, a fixing seat 43 and a driven wheel 44. Two shock-absorbing springs 42 are installed on the connecting shaft 41. Fixing seats 43 are fixedly installed at both ends of the shock-absorbing spring 42. The fixing seat 43 is fixed on the frame body 1. Driven wheels 44 are installed at both ends of the connecting shaft 41.

[0037] The steering wheel 36 of the traction steering mechanism 3 and the driven wheel 44 of the driven wheel assembly 4 both use solid rubber tires.

[0038] The rolling door 6 is mounted on the vehicle frame body 1 by means of bolts, and a manual button for controlling the raising and lowering of the rolling door 6 is provided at the side end of the vehicle frame body 1 .

[0039] The utility model relates to an automatic lifting tractor, which has the function of automatically lifting the cargo platform. After the pallet cargo is lifted to a specified height, the tractor tows the cargo to a specified position. The utility model has the advantages of simple structure, safety, reliability, good applicability, and can protect the pallet cargo.

[0040] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automatic lifting tractor, characterized by: include: Frame body (1); A cargo lifting mechanism (2) is mounted on the vehicle frame body (1) and docked with a forklift or a ground bull forklift to lift palletized cargo; A traction steering mechanism (3) is rotatably mounted on the front side of the vehicle frame body (1) and docked with the traction vehicle head for traction and transportation; A driven wheel assembly (4) is mounted below the vehicle frame body (1); An outer sealing plate (5) is installed around the frame body (1), and the cargo lifting mechanism (2) is located inside the outer sealing plate (5) to protect the pallet cargo; A rolling door (6) is mounted on the side end of the vehicle frame body (1), and a button is manually pressed to realize the raising and lowering of the rolling door (6); An electric control cabinet (7) is mounted on the vehicle frame body (1); The cargo lifting mechanism (2) comprises hydraulic cylinders (21) vertically mounted on both sides of the frame body (1), a cargo platform (22) driven to move up and down by the hydraulic cylinders (21), lateral supporting wheels (23) mounted on both sides of the cargo platform (22) for bearing additional forces caused by eccentricity of the cargo load, and longitudinal supporting wheels (24) for limiting the cargo platform (22) to be located in the middle position of the frame body (1), the lateral supporting wheels (23) and the longitudinal supporting wheels (24) being in rolling contact with the frame body (1), a height position sensor for use with the cargo platform (22) being provided on the top of the frame body (1), and a hydraulic oil tank assembly (25) connected to the hydraulic cylinder (21) through a hydraulic pipeline is also mounted on the frame body (1).

2. The automatic lifting tractor according to claim 1, characterized in that: A plurality of workstation pallet cargo positions (220) are provided on the cargo platform (22).

3. The automatic lifting tractor according to claim 1, characterized in that: The traction steering mechanism (3) comprises a load-bearing frame (31), a slewing support (32), a traction frame (33), a traction member (34), an intermediate shaft (35) and a steering wheel (36). The load-bearing frame (31) is rotatably connected to the vehicle frame body (1) via the slewing support (32). The front side of the load-bearing frame (31) is hingedly connected to the traction frame (33) in the vertical direction via a pin. The front end of the traction frame (33) is equipped with a traction member (34) that can be connected to the traction vehicle head. The lower end of the load-bearing frame (31) is equipped with an intermediate shaft (35), and steering wheels (36) are installed on both sides of the intermediate shaft (35).

4. The automatic lifting tractor according to claim 1, characterized in that: The driven wheel assembly (4) comprises a connecting shaft (41), a shock-absorbing spring (42), a fixing seat (43) and a driven wheel (44), wherein two shock-absorbing springs (42) are mounted on the connecting shaft (41), and fixing seats (43) are fixedly mounted at both ends of the shock-absorbing spring (42), and the fixing seats (43) are fixed on the vehicle frame body (1), and driven wheels (44) are mounted at both ends of the connecting shaft (41).

5. The automatic lifting tractor according to claim 1, characterized in that: The steering wheel (36) of the traction steering mechanism (3) and the driven wheel (44) of the driven wheel assembly (4) both use solid rubber tires.

6. The automatic lifting tractor according to claim 1, characterized in that: The vehicle frame body (1) and the cargo platform (22) are formed by welding rectangular tubes.

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