Lifting arm mechanism applied to multimodal transport container

Abstract

The utility model discloses a lifting arm mechanism applied to a multimodal transport container, which is connected with a loading and unloading machine and comprises a lifting oil cylinder, a movable arm, a movable arm oil cylinder and an arm support structure, the boom structure comprises a basic boom, a telescopic boom capable of being connected to the basic boom in a sliding mode and a telescopic driving piece, the telescopic driving piece is connected with the telescopic boom and drives the telescopic boom to slide relative to the basic boom so as to achieve stretching and retracting, and the telescopic boom is provided with a connecting base; the first end of the lifting oil cylinder is rotationally connected to the loading and unloading machine, and the second end is rotationally connected to the basic arm; the movable arm is provided with a first connecting arm, a second connecting arm and a third connecting arm which are fixedly connected together, the first connecting arm and the third connecting arm are matched to form an inverted-V-shaped structure, the first connecting arm is rotationally connected to the loading and unloading machine, the first end of the movable arm oil cylinder is rotationally connected to the loading and unloading machine, and the second end of the movable arm oil cylinder is rotationally connected to the third connecting arm. And the second connecting arm is rotationally connected to the basic arm. And the two oil cylinders are matched with the telescopic structure to achieve proof presentation, the structural stability is high, and the position accuracy is high.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering, and in particular to a lifting arm mechanism applied to a multimodal transport container. Background Art

[0002] CN115043334A disclosed in the Chinese Patent Database, a lifting arm mechanism and a container lifting and tipping loader. The lifting arm mechanism includes a first mechanical arm, a second mechanical arm, a first lifting cylinder, a second lifting cylinder, a first leveling cylinder and a second leveling cylinder. The first mechanical arm is rotatably connected to the first target object, the second mechanical arm is rotatably connected to the second target object, and the two mechanical arms are rotatably connected; the first lifting cylinder connects the first mechanical arm and the first target object, the second lifting cylinder connects the second mechanical arm and the first target object; the first leveling cylinder connects the first mechanical arm and the second mechanical arm; the second leveling cylinder connects the second mechanical arm and the second target object; the rod chambers of the first leveling cylinder and the second leveling cylinder are connected, and the rodless chambers of the first leveling cylinder and the second leveling cylinder are connected. The lifting arm mechanism adopts a rotating connecting rod connection to achieve lifting, and there is a need to further improve the structural stability and position accuracy.

[0003] CN201334343Y disclosed in the Chinese Patent Database is an automatic leveling device for accessories of a telescopic arm forklift, comprising a basic arm installed on the body of the forklift, a telescopic arm connected to the basic arm and an accessory fixed on the telescopic arm, a rotating shaft is provided at the connection between the basic arm and the body, a rotating shaft is provided at the connection between the telescopic arm and the accessory, a translation cylinder and a boom cylinder are provided below the basic arm, one end of the translation cylinder is fixed to the body, and the other end is fixed to the basic arm, one end of the boom cylinder is fixed to the body, and the other end is fixed to the basic arm, a tilting cylinder is provided below the telescopic arm, one end of the tilting cylinder is fixed to the telescopic arm, and the other end is fixed to the frame of the accessory, and the piston in the translation cylinder is connected to the piston in the tilting cylinder. When the basic arm and telescopic arm of an ordinary telescopic forklift are rising, the forks will fall backwards and the cargo will tip over. The additional translation cylinder and tilting cylinder cooperate to prevent the attachment from tipping over. Only the boom cylinder plays a lifting role, and there is a need to further improve the structural stability and positioning accuracy. Utility Model Content

[0004] The utility model provides a lifting arm mechanism applied to a multimodal transport container, which overcomes the shortcomings existing in the background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a lifting arm mechanism applied to an intermodal container, which is connected to a loader and unloader, and comprises a lifting cylinder, a boom, a boom cylinder and an arm structure; the arm structure comprises a basic arm, a telescopic arm slidably connected to the basic arm and a telescopic driving member, the telescopic driving member is connected to the telescopic arm and drives the telescopic arm to slide relative to the basic arm to achieve telescoping, and the telescopic arm is provided with a connecting seat; the first end of the lifting cylinder is rotatably connected to the loader and unloader, and the second end is rotatably connected to the basic arm; the boom has a first connecting arm, a second connecting arm and a third connecting arm fixedly connected together, the first connecting arm and the third connecting arm cooperate to form an inverted V-shaped structure, the first connecting arm is rotatably connected to the loader and unloader, the first end of the boom cylinder is rotatably connected to the loader and unloader, the second end is rotatably connected to the third connecting arm, and the second connecting arm is rotatably connected to the basic arm.

[0006] In one embodiment: a mounting seat is fixedly provided at the front end of the loader and unloader, and the mounting seat has an upper connecting position, a lower connecting position and a front connecting position, the upper and lower connecting positions are arranged up and down, the front connecting position is located in front of the upper and lower connecting positions, the first connecting arm is rotatably connected to the upper connecting position, the first end of the boom cylinder is rotatably connected to the lower connecting position, and the first end of the lifting cylinder is rotatably connected to the front connecting position.

[0007] In one embodiment: the second end of the lifting cylinder is rotatably connected to the connection position of the basic arm and the second connecting arm is rotatably connected to the connection position of the basic arm and are arranged front and back relative to the boom structure.

[0008] In one embodiment: a fixed rod is fixedly provided at the front connection position, a crank arm is provided on the fixed rod, and the first end of the lifting cylinder is rotatably connected to the crank arm.

[0009] In one embodiment: the basic arm includes a lower plate, the telescopic arm includes a first plate and a second plate arranged vertically and spaced apart from each other, the second plate can be slidably connected to the lower plate, the telescopic drive component includes a telescopic cylinder, the cylinder body of the telescopic cylinder is mounted on the second plate, and the piston rod of the telescopic cylinder is fixedly connected to the lower plate; the connecting seat is fixedly connected to the front ends of the first plate and the second plate.

[0010] In one embodiment, it also includes a rotating base rotatably connected to the connecting base.

[0011] In one embodiment, it also includes a leveling cylinder, one end of which is rotatably connected to the connecting seat, and the other end of which is rotatably connected to the rotating seat.

[0012] Compared with the background technology, this technical solution has the following advantages:

[0013] The lifting arm mechanism includes a lifting cylinder, a boom, a boom cylinder and a boom structure. The boom structure includes a basic arm, a telescopic arm and a telescopic drive member. Lifting is achieved by two cylinders cooperating with the telescopic structure. The boom has a first connecting arm, a second connecting arm and a third connecting arm fixedly connected together. The first connecting arm and the third connecting arm cooperate to form an inverted V-shaped structure. The first connecting arm is rotatably connected to the loader and unloader. The first end of the boom cylinder is rotatably connected to the loader and unloader, and the second end is rotatably connected to the third connecting arm. The second connecting arm is rotatably connected to the basic arm, so that the boom has only three connection points, and has high structural stability and high position accuracy.

[0014] The mounting seat has an upper connection position, a lower connection position and a front connection position. The first connecting arm is rotatably connected to the upper connection position, the first end of the boom cylinder is rotatably connected to the lower connection position, and the first end of the lifting cylinder is rotatably connected to the front connection position, which is convenient for assembly and improves stability.

[0015] A fixed rod is fixed at the front connection position, a crank arm is arranged on the fixed rod, and the first end of the lifting cylinder is rotatably connected to the crank arm, which is convenient for assembly and improves stability.

[0016] The leveling cylinder can keep the container from shaking when it is raised or lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a structural schematic diagram of a lifting arm mechanism of a specific implementation method.

[0019] Figure 2 It is a structural schematic diagram of a wood clamping fork coordinated with a lifting arm mechanism according to a specific implementation method.

[0020] Figure 3 It is a structural schematic diagram of a horizontal rotating attachment coordinated with a lifting arm mechanism according to a specific implementation method.

[0021] Figure 4 It is a structural schematic diagram of a lifting device coordinated with a lifting arm mechanism of a specific implementation method.

[0022] Figure 5 It is a structural schematic diagram of the boom structure of a specific implementation method.

[0023] Figure 6 It is a structural schematic diagram of a movable arm of a specific implementation method.

[0024] Figure 7 It is a structural schematic diagram of a mounting base according to a specific implementation method. DETAILED DESCRIPTION

[0025] Please refer to Figure 1 , Figure 5 , Figure 6and Figure 7 The loader and unloader has a vehicle body 8, and the loader and unloader can provide a power source for each driving component. The lifting arm mechanism used in the multimodal transport container includes a lifting cylinder 5, a boom 6, a boom cylinder 7 and a boom structure 4; the boom structure 4 includes a basic arm 41, a telescopic arm 42 slidably connected to the basic arm 41 and a telescopic drive member 43, the telescopic drive member 43 is connected to the telescopic arm 42 and drives the telescopic arm 42 to slide relative to the basic arm 41 to achieve telescoping, and the telescopic arm 42 is provided with a connecting seat 44; the first end of the lifting cylinder 5 is rotatably connected to the vehicle body 8, and the second end is rotatably connected to the basic arm 41; the boom 6 has a first connecting arm 61, a second connecting arm 62, and a third connecting arm 63 fixedly connected together, the first connecting arm 61 and the third connecting arm 63 cooperate to form an inverted V shape, the first connecting arm 61 is rotatably connected to the vehicle body 8, the first end of the boom cylinder 7 is rotatably connected to the vehicle body 8, and the second end is rotatably connected to the third connecting arm 63, the second connecting arm 63 and the center line of the V-shape are in a bent structure, and the second connecting arm 63 is rotatably connected to the basic arm 41.

[0026] The second end of the lifting cylinder 5 is rotatably connected to the connection position of the basic arm 41 and the second connecting arm 63 is rotatably connected to the connection position of the basic arm 41, which are arranged front and rear relative to the boom structure 4. The combination of the above-mentioned structure can control the vertical lifting of the connecting seat and the entire vehicle body structure is stable and reliable under the premise of ensuring transportation. In the specific structure: 1. A mounting seat 1 is fixedly arranged at the front end of the vehicle body 8. The mounting seat 1 has an upper connecting position 11, a lower connecting position 12 and a front connecting position 13. The upper and lower connecting positions 11 and 12 are arranged up and down, and the front connecting position 13 is located before the upper and lower connecting positions 11 and 12. The first connecting arm 61 is rotatably connected to the upper connecting position 11, and the first end of the boom cylinder 7 is rotatably connected to the lower connecting position 12. The first end of the lifting cylinder 5 is rotatably connected to the front connecting position 13. The front connecting position 13 is fixed with a fixed rod 14. The fixed rod 14 is fixed to the front connecting position 13. A crank arm 15 is provided on the rod 14, and the first end of the lifting cylinder 5 is rotatably connected to the crank arm 15; this structure is adopted to facilitate assembly and enhance stability; 2. The basic arm 41 includes a lower plate, and the telescopic arm 42 includes a first plate and a second plate arranged at a fixed interval up and down, and the second plate can be slidably connected to the lower plate, and the telescopic driving member 43 includes a telescopic cylinder, and the cylinder body of the telescopic cylinder is installed on the second plate, and the piston rod of the telescopic cylinder is fixedly connected to the lower plate; the connecting seat is fixedly connected to the front ends of the first plate and the second plate to enhance the connection strength.

[0027] The connecting seat 44 is also rotatably connected to the rotating seat 2, the connecting seat is provided with a first lug, the rotating seat 2 is provided with a second lug, and a pivot is provided to pass through the first lug and the second lug. Further, a leveling cylinder 3 is included, the first end of the leveling cylinder 3 is rotatably connected to the connecting seat 44, and the second end is rotatably connected to the rotating seat 2, and the leveling cylinder 3 is used to prevent shaking during lifting, lowering or transportation.

[0028] The lifting arm mechanism of this embodiment is as follows: Figure 2 The rotating seat 2 is equipped with a wood clamping fork 91, so the loading and unloading machine can realize the functions of clamping wood, etc. Please refer to Figure 3 The rotating seat 2 is equipped with a horizontal rotating attachment 92, which can independently complete the entire process of lifting containers from railway flat cars, transporting containers, unloading, and lifting them back to the flat cars, producing a total product; please refer to Figure 4 A sling 93 is mounted on the rotating seat 2 to realize functions such as lifting.

[0029] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope covered by the present invention.

Claims

1. A lifting arm mechanism used in an intermodal container, connected to a loader and unloader, characterized in that: It includes a lifting cylinder, a boom, a boom cylinder and a boom structure; the boom structure includes a basic arm, a telescopic arm slidably connected to the basic arm and a telescopic driving component, the telescopic driving component is connected to the telescopic arm and drives the telescopic arm to slide relative to the basic arm to achieve telescoping, and the telescopic arm is provided with a connecting seat; the first end of the lifting cylinder is rotatably connected to the loader, and the second end is rotatably connected to the basic arm; the boom has a first connecting arm, a second connecting arm and a third connecting arm fixedly connected together, the first connecting arm and the third connecting arm cooperate to form an inverted V-shaped structure, the first connecting arm is rotatably connected to the loader, the first end of the boom cylinder is rotatably connected to the loader, the second end is rotatably connected to the third connecting arm, and the second connecting arm is rotatably connected to the basic arm.

2. The lifting arm mechanism used in an intermodal container according to claim 1, characterized in that: A mounting seat is fixedly provided at the front end of the loader and unloader, and the mounting seat has an upper connecting position, a lower connecting position and a front connecting position. The upper and lower connecting positions are arranged up and down, and the front connecting position is located in front of the upper and lower connecting positions. The first connecting arm is rotatably connected to the upper connecting position, the first end of the boom cylinder is rotatably connected to the lower connecting position, and the first end of the lifting cylinder is rotatably connected to the front connecting position.

3. The lifting arm mechanism used in an intermodal container according to claim 1, characterized in that: The second end of the lifting oil cylinder is rotatably connected to the connection position of the basic arm and the second connecting arm is rotatably connected to the connection position of the basic arm and is arranged front and back relative to the arm support structure.

4. The lifting arm mechanism used in an intermodal container according to claim 2, characterized in that: A fixed rod is fixedly arranged at the front connection position, a crank arm is arranged on the fixed rod, and the first end of the lifting oil cylinder is rotatably connected to the crank arm.

5. The lifting arm mechanism used in an intermodal container according to claim 1, characterized in that: The basic arm includes a lower plate, the telescopic arm includes a first plate and a second plate arranged up and down with an interval between them, the second plate can be slidably connected to the lower plate, the telescopic drive component includes a telescopic cylinder, the cylinder body of the telescopic cylinder is installed on the second plate, and the piston rod of the telescopic cylinder is fixedly connected to the lower plate; the connecting seat is fixedly connected to the front ends of the first plate and the second plate.

6. The lifting arm mechanism used in an intermodal container according to claim 1, characterized in that: It also includes a rotating seat rotatably connected to the connecting seat.

7. The lifting arm mechanism used in an intermodal container according to claim 6, characterized in that: It also comprises a leveling oil cylinder, one end of which is rotatably connected to the connecting seat, and the other end of which is rotatably connected to the rotating seat.

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