CN217672887U - Novel parallelogram lifting mechanism of cargo vehicle hydraulic tail plate - Google Patents
Novel parallelogram lifting mechanism of cargo vehicle hydraulic tail plate Download PDFInfo
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- CN217672887U CN217672887U CN202221809969.XU CN202221809969U CN217672887U CN 217672887 U CN217672887 U CN 217672887U CN 202221809969 U CN202221809969 U CN 202221809969U CN 217672887 U CN217672887 U CN 217672887U
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Abstract
The utility model relates to the field of automotive technology, concretely relates to novel parallelogram lifting mechanism of cargo vehicle hydraulic pressure tailboard, including hydraulic pressure tailboard hoist and mount frame and hydraulic pressure tailboard base member, hydraulic pressure tailboard base member includes the loading and unloading platform subassembly, lift the arm, frame subassembly and hydraulic assembly, the interval welding has the arm installation seat of lifting in the frame subassembly, lift the hydro-cylinder mounting panel and close the hydro-cylinder mounting panel, hydraulic assembly is including closing the hydro-cylinder and lifting the hydro-cylinder, it is provided with installation round pin shaft hole center A to lift the arm installation seat, the loading and unloading platform subassembly is provided with the mount pad subassembly, the mount pad subassembly is provided with installation round pin shaft hole center B and installation round pin shaft hole center D, it is provided with installation round pin shaft hole center C to close the hydro-cylinder mounting panel, lifting the hydro-cylinder installation seat is provided with installation round pin shaft hole center E, be provided with installation little shaft hole center F on the lifting arm, through the setting of above-mentioned structure in order to reduce manufacturing cost, and reduce the dead weight of cargo vehicle hydraulic pressure tailboard, social resources have been practiced thrift.
Description
Technical Field
The utility model relates to the technical field of automobiles, especially, relate to a novel parallelogram lifting mechanism of cargo vehicle hydraulic pressure tailboard.
Background
The hydraulic tail board of truck at the tail of truck and trailer is a mechanical-electrical-hydraulic integrated vehicle-mounted equipment which can improve loading and unloading efficiency and reduce labor intensity of workers. Huge stock and newly increased market demand every year exist in the logistics equipment markets at home and abroad.
At present, a normal parallelogram mechanism commonly used on a hydraulic tail board of a truck has 3 core characteristics, so that a lifting oil cylinder, a door closing oil cylinder and a lifting arm all need larger structural sizes to output the force and moment required when a loading and unloading platform assembly lifts cargoes.
Therefore, the lifting oil cylinder, the door closing oil cylinder and the lifting arm are manufactured by round pipes, round steel and steel plates with larger specifications and sizes to ensure the strength and the rigidity. This makes the dead weight of the positive parallelogram mechanism large. Due to the fact that the self weight of the whole equipment is large, fuel consumption of a vehicle of a terminal customer is large, and use cost of the customer is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel parallelogram lifting mechanism of cargo vehicle hydraulic pressure tailboard to reduce manufacturing cost, and reduce the dead weight of cargo vehicle hydraulic pressure tailboard, practiced thrift social resource.
For realizing above-mentioned mesh, the utility model provides a novel parallelogram lifting mechanism of cargo vehicle hydraulic pressure tailboard, including hydraulic pressure tailboard hoist and mount frame and hydraulic pressure tailboard base member, hydraulic pressure tailboard base member is including loading and unloading platform subassembly, lift arm, frame subassembly and hydraulic assembly, hydraulic pressure tailboard hoist and mount frame with frame subassembly fixed connection, the both ends of lifting arm respectively with loading and unloading platform subassembly with the frame subassembly rotates to be connected, the interval welding has the arm installation seat of lifting, lifts the hydro-cylinder mounting panel and closes the hydro-cylinder mounting panel, hydraulic assembly is including closing the hydro-cylinder and lifting cylinder, the arm installation seat of lifting is provided with and is used for the installation round pin shaft hole center A of lifting arm, the loading and unloading platform subassembly is provided with the mount pad subassembly, the interval is provided with about the mount pad subassembly the installation round pin shaft hole center B of lifting arm with be used for the installation round pin shaft hole center D of closing the door the installation round pin shaft hole center C of closing the hydro-cylinder, lifting cylinder installation round pin shaft hole center is provided with the installation round pin center C of straight line installation round pin shaft hole perpendicular to be used for installation round pin shaft hole and straight line installation round pin shaft hole A and straight line installation round pin shaft hole C, lifting cylinder installation straight line installation round pin center A and straight line installation round pin shaft hole.
The hydraulic tail plate hoisting frames are arranged on the two sides of the rack assembly at intervals.
The novel parallelogram lifting mechanism of the truck hydraulic tail plate further comprises a frame, wherein the number of the frame is two, two the frame is fixedly connected with the hydraulic tail plate hoisting frame respectively.
The door closing oil cylinder and the lifting oil cylinder are respectively arranged on two sides of the lifting arm.
The utility model discloses a novel parallelogram lifting mechanism of cargo vehicle hydraulic pressure tailboard compares with the positive parallelogram mechanism of tradition, the loading and unloading platform subassembly loads the goods of equal quality, the power and the moment value of lift arm at B point output reduce, the power and the moment value of closing the door hydro-cylinder at D point output reduce, can reduce the lift arm close the door hydro-cylinder with lift hydro-cylinder's material specification size produces the spare part that can ensure intensity and rigidity with less specification size's steel sheet, pipe and round steel, thereby reaches the lift arm close the door hydro-cylinder with lift hydro-cylinder's lightweight purpose has reduced manufacturing cost simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of the novel parallelogram lifting mechanism of the truck hydraulic tailboard of the utility model.
Fig. 2 is a schematic structural diagram of a hydraulic tail plate base member of the novel parallelogram lifting mechanism of the truck hydraulic tail plate of the invention.
Fig. 3 is a schematic structural view of another position of the novel parallelogram lifting mechanism of the truck hydraulic tail plate of the invention.
Fig. 4 is a side view of the novel parallelogram lifting mechanism of the truck hydraulic tail plate of the utility model.
Fig. 5 is a schematic structural view of the novel parallelogram lifting mechanism for truck hydraulic tailboard of the present invention when the CD is perpendicular to the QP.
Fig. 6 is a schematic structural diagram of the novel parallelogram lifting mechanism of the truck hydraulic tailboard of the present invention in embodiment 1.
1-hydraulic tail plate hoisting frame, 2-hydraulic tail plate base member, 21-loading and unloading platform assembly, 22-lifting arm, 23-frame assembly, 231-lifting arm mounting base plate, 232-lifting oil cylinder mounting plate, 233-door closing oil cylinder mounting plate, 24-hydraulic assembly, 241-door closing oil cylinder, 242-lifting oil cylinder and 3-frame.
Detailed Description
The embodiments of the invention will be described in detail hereinafter, examples of which are illustrated in the accompanying drawings, and the embodiments described hereinafter with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention.
Please refer to fig. 1-6, fig. 1 is the structure diagram of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard of the utility model, fig. 2 is the structure diagram of the hydraulic tailboard base member of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard, fig. 3 is the structure diagram of another position of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard, fig. 4 is the side view of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard, fig. 5 is the structure diagram of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard when CD of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard is perpendicular to QP, fig. 6 is the structure diagram of the novel parallelogram lifting mechanism of cargo truck hydraulic tailboard in embodiment 1 of the utility model. The utility model provides a novel parallelogram lifting mechanism of a hydraulic tail plate of a truck, which comprises a hydraulic tail plate hoisting frame 1 and a hydraulic tail plate base member 2, the hydraulic tailgate base member 2 includes a loading dock assembly 21, a lift arm 22, a frame assembly 23 and a hydraulic assembly 24, the hydraulic tail plate hoisting frame 1 is fixedly connected with the rack assembly 23, two ends of the lifting arm 22 are respectively and rotatably connected with the loading and unloading platform assembly 21 and the rack assembly 23, a seat plate installed on the lifting arm 22, a lifting oil cylinder installation plate 232 and a door closing oil cylinder installation plate 233 are welded on the rack component 23 at intervals, the hydraulic assembly 24 comprises a door closing cylinder 241 and a lifting cylinder 242, the lifting arm 22 mounting seat plate is provided with a mounting pin shaft hole center A for mounting the lifting arm 22, the loading platform assembly 21 is provided with a mounting seat assembly which is provided with a mounting pin hole center B for mounting the lifting arm 22 and a mounting pin hole center D for mounting the door closing cylinder 241 at intervals up and down, the door-closing cylinder mounting plate 233 is provided with a mounting pin hole center C for mounting the door-closing cylinder 241, the mounting seat plate of the lift cylinder 242 is provided with the mounting pin hole center E for mounting the lift cylinder 242, the lifting arm 22 is provided with a mounting small shaft hole center F for mounting the lifting cylinder 242, the straight line of the center A of the mounting pin shaft hole and the center E of the mounting pin shaft hole is vertical to the horizontal plane, the installation round pin shaft hole center A with the straight line that becomes of installation round pin shaft hole center C with installation round pin shaft hole center B with the straight line that becomes of installation round pin shaft hole center D is the parallels and sets up to all do not set up with the horizontal plane is perpendicular. The hydraulic tail plate hoisting frames 1 are two in number, and the two hydraulic tail plate hoisting frames 1 are arranged on two sides of the rack assembly 23 at intervals. The novel parallelogram lifting mechanism of the hydraulic tail plate of the truck further comprises a frame 3, the number of the frame 3 is two, two the frame 3 is fixedly connected with the hydraulic tail plate hoisting frame 1 respectively. The door closing cylinder 241 and the lifting cylinder 242 are respectively disposed at both sides of the lifting arm 22.
In the present embodiment, the hydraulic tailgate base member 2 and the frame 3 are connected to form a vehicle-mounted function mechanism of a truck. As shown in fig. 1. The hydraulic tailgate base member 2 is mainly composed of 4 large components, namely, the loading platform component 21, the lifting arm 22, the frame component 23 and the hydraulic component 24, which are connected in order to perform core functions of bearing, transmitting force and moment, securing position and the like in the hydraulic tailgate of the truck, as shown in fig. 2. On the rack assembly 23, the lifting arm mounting seat plate 231, the lifting cylinder mounting plate 232 and the door closing cylinder mounting plate 233 are welded, and are used for mounting the lifting arm 22 and the door closing cylinder 241 and the lifting cylinder 242 in the mounting hydraulic assembly 24, as shown in fig. 3. The lift arm mounting base plate 231 has the mounting pin hole center a of the lift arm 22. The loading dock assembly 21 has the mounting assembly to which the lift arm 22 and the door closing cylinder 241 are mounted. The mounting block assembly has a mounting pin hole center B to which the lift arm 22 is mounted. The door-closing cylinder mounting plate 233 is provided with the mounting pin hole center C on which the door-closing cylinder 241 is mounted. The mounting seat assembly has the mounting pin hole center D of the door-closing cylinder 241. The center of the ABCD 4 hole forms a lifting positive parallelogram mechanism of the truck hydraulic tail plate. As shown in fig. 4. The mounting seat plate of the lift cylinder 242 has the mounting pin hole center E of the lift cylinder 242. The lifting arm 22 has the center F of the mounting small-axis hole of the lifting cylinder 242.
The core characteristic one is as follows: at any time and at any position where the lift cylinder 242 lifts the loading platform assembly 21, the three points ACE are not on a straight line MN and the AC line is not perpendicular to the horizontal plane G. Wherein point C is offset from the loading dock assembly 21 by a dimension x as shown in fig. 4.
The core characteristic two is: the two points of BD are on a straight line QP, and the QP is not perpendicular to the horizontal plane G. Where point D also offsets the loading dock assembly 21 by a dimension x as shown in fig. 4.
The core characteristics are as follows: when the lift cylinder 242 lifts the loading platform assembly 21, the door closing cylinder 241 is in an oil path closed state, and always maintains CD = AB. When CD is perpendicular to QP, a positive parallelogram ABCD with an angle of 90 °, i.e. a rectangular ABCD, is composed. In this case, AB and CD are not parallel to the horizontal plane Q and not parallel to the load plane WG of the loading dock assembly 21, as shown in fig. 5.
The utility model discloses a novel parallelogram lifting mechanism of cargo vehicle hydraulic pressure tailboard compares with the positive parallelogram mechanism of tradition, loading platform subassembly 21 loads the goods of equal quality, lift arm 22 reduces at the power and the moment value of B point output, close the door hydro-cylinder 241 and reduce at the power and the moment value of D point output. In this way, the material specifications of the lifting arm 22, the door closing cylinder 241 and the lifting cylinder 242 can be reduced, and parts capable of ensuring strength and rigidity are manufactured by using steel plates, round tubes and round steel with smaller specifications, so that the purpose of light weight of the lifting arm 22, the door closing cylinder 241 and the lifting cylinder 242 is achieved. Meanwhile, the manufacturing cost is reduced.
Example 1
As shown in fig. 6, the distance Y between the point C and the point a can be reduced, and the distance Y between the point D and the point B is reduced in the same size, so that the ABCD is still maintained to have a parallelogram relationship, and the beneficial effects of the present invention can be achieved. At the same time, the height dimension of the loading platform assembly 21 is reduced, and the miniaturization of the structure is realized. By adopting the technical scheme, the self weight of the hydraulic tail plate of the truck is reduced, and social resources are saved.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (4)
1. A novel parallelogram lifting mechanism of a truck hydraulic tail plate is characterized in that,
including hydraulic pressure tailboard hoist and mount frame and hydraulic pressure tailboard base member, hydraulic pressure tailboard base member includes loading and unloading platform subassembly, lifts the arm, frame subassembly and hydraulic assembly, hydraulic pressure tailboard hoist and mount frame with frame subassembly fixed connection, the both ends of lifting the arm respectively with loading and unloading platform subassembly with frame subassembly rotates to be connected, the interval welding has lifting arm installation seat, lifts the hydro-cylinder mounting panel and closes the door hydro-cylinder mounting panel on the frame subassembly, hydraulic assembly is including closing door hydro-cylinder and lifting cylinder, it is provided with and is used for the installation to lift arm installation seat the installation round pin shaft hole center A of lifting the arm, loading and unloading platform subassembly is provided with the mount pad subassembly, the interval is provided with about the mount pad subassembly is used for the installation round pin shaft hole center B of lifting the arm with be used for the installation round pin shaft hole center D that closes the door hydro-cylinder, the hydro-cylinder mounting panel is provided with and is used for the installation round pin shaft hole center E of lifting the installation round pin shaft hole, be provided with on the lifting arm installation little installation round pin shaft hole center F of mounting the installation round pin shaft hole center A with the installation round pin center A all be perpendicular straight line installation round pin shaft hole and straight line installation round pin center shaft hole C and straight line installation round pin center shaft hole A and straight line installation round pin center A perpendicular to the installation round pin shaft hole and straight line installation round pin center shaft hole C, lifting cylinder installation round pin center A and straight line installation round pin shaft hole C and straight line installation round pin center shaft hole C perpendicular to be the straight line installation round pin shaft hole.
2. The truck hydraulic tailgate novelty parallelogram lifting mechanism of claim 1,
the quantity of hydraulic pressure tailboard hoist and mount frame is two, two hydraulic pressure tailboard hoist and mount frame interval sets up the both sides of frame subassembly.
3. The novel parallelogram lifting mechanism of truck hydraulic tailboard as claimed in claim 2,
the novel parallelogram lifting mechanism of the hydraulic tail plate of the truck further comprises two frames, wherein the number of the frames is two, and the frames are fixedly connected with the hydraulic tail plate hoisting frame respectively.
4. The novel parallelogram lifting mechanism of truck hydraulic tailboard as claimed in claim 3,
the door closing oil cylinder and the lifting oil cylinder are respectively arranged on two sides of the lifting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221809969.XU CN217672887U (en) | 2022-07-13 | 2022-07-13 | Novel parallelogram lifting mechanism of cargo vehicle hydraulic tail plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221809969.XU CN217672887U (en) | 2022-07-13 | 2022-07-13 | Novel parallelogram lifting mechanism of cargo vehicle hydraulic tail plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217672887U true CN217672887U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221809969.XU Active CN217672887U (en) | 2022-07-13 | 2022-07-13 | Novel parallelogram lifting mechanism of cargo vehicle hydraulic tail plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217672887U (en) |
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2022
- 2022-07-13 CN CN202221809969.XU patent/CN217672887U/en active Active
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