CN111422123A - Cargo vehicle hydraulic pressure tailboard lifts arm structure - Google Patents
Cargo vehicle hydraulic pressure tailboard lifts arm structure Download PDFInfo
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- CN111422123A CN111422123A CN202010357315.7A CN202010357315A CN111422123A CN 111422123 A CN111422123 A CN 111422123A CN 202010357315 A CN202010357315 A CN 202010357315A CN 111422123 A CN111422123 A CN 111422123A
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- lifting arm
- end part
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- rib plate
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- 239000002994 raw material Substances 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
- B60P1/4471—General means for controlling movements of the loading platform, e.g. hydraulic systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention provides a lifting arm structure of a hydraulic tail plate of a truck, belonging to the field of hydraulic tail plate structures. The hydraulic lifting arm comprises a lifting arm front end part, a lifting arm rear end part and a rib plate part arranged between the lifting arm front end part and the lifting arm rear end part, wherein the lifting arm front end part is provided with a first pin shaft hole fixedly connected with a front pin shaft sleeve and a connecting hole connected with a hydraulic assembly, and the lifting arm rear end part is provided with a second pin shaft hole fixedly connected with a rear pin shaft sleeve. The invention has the beneficial effects that: the weight can be reduced to the maximum extent; the waste of raw materials is reduced, and social resources are saved.
Description
Technical Field
The invention relates to a hydraulic tail plate structure, in particular to a lifting arm structure of a hydraulic tail plate of a truck.
Background
The hoisting tail board installed at the tail part of the truck and the trailer is an electromechanical and hydraulic integrated vehicle-mounted device which can improve the loading and unloading efficiency and reduce the labor intensity of workers. Huge stock and newly increased market demand every year exist in the logistics equipment markets at home and abroad.
The hoisting tail plate is generally composed of two parts, namely a hoisting tail plate hoisting frame 1 and a hoisting tail plate base member 2. After the hoisting tail plate is connected with the frame of the freight car through the connecting plate 3 of the hoisting frame 1 of the hoisting tail plate, the hoisting tail plate becomes a vehicle-mounted functional mechanism of the freight car, as shown in figure 1.
The hoisting tail plate base member 2 is mainly composed of 4 large components. Namely a loading platform assembly 2-1, a lifting arm assembly 2-2, a frame assembly 2-3, and a hydraulic assembly 2-4, as shown in fig. 2.
The lifting arm assembly 2-2 is connected with the loading and unloading platform assembly 2-1, the rack assembly 2-3 and the hydraulic assembly 2-4, and plays a role in bearing, transmitting force and moment, guaranteeing positions and the like in the lifting tail plate. Is one of the core components of the lifting yoke. The main plate 2-2-1 of the conventional lifting arm is usually formed by directly cutting a thick steel plate. After the necessary pin shaft holes are processed, the front pin shaft sleeve 2-2-2 and the rear pin shaft sleeve 2-2-3 are welded to form the lifting arm assembly, as shown in figure 3.
The lifting arm main board 2-2-1 directly cut and formed by the thick steel plate has structural limitation and defects which cannot be overcome by the lifting arm main board, and mainly comprises the following two points:
firstly, the method comprises the following steps: under the international energy shortage environment, the light weight design of the cargo vehicle is carried out by applying various advanced technologies and means so as to achieve the purposes of saving fuel and reducing cost. The lifting arm main plate 2-2-1 directly cut and formed by the thick steel plate cannot be lightened to the greatest extent, and is not in line with the trend direction of the development of logistics equipment.
Secondly, the method comprises the following steps: to meet the various functional requirements of the lift yoke, the lift arm main plate 2-2-1 generally has a complex outer contour. When the lifting arm main board 2-2-1 is cut and formed, the material utilization rate of the raw material base body board is low, the waste and the surplus materials are large, and the economy is poor. The limitations of this sheet material construction increase the manufacturing costs of the crane tail panel manufacturing enterprise and indirectly increase the costs of the end user customers, as shown in fig. 4.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a lifting arm structure of a hydraulic tail plate of a truck, and the purposes of lightening the main plate of the lifting arm and improving the material utilization rate of a base plate are achieved through a material combination technology.
The hydraulic lifting arm comprises a lifting arm front end part, a lifting arm rear end part and a rib plate part arranged between the lifting arm front end part and the lifting arm rear end part, wherein the lifting arm front end part is provided with a first pin shaft hole fixedly connected with a front pin shaft sleeve and a connecting hole connected with a hydraulic assembly, and the lifting arm rear end part is provided with a second pin shaft hole fixedly connected with a rear pin shaft sleeve.
The invention is further improved, the lifting arm front end piece is provided with a first connecting groove facing the lifting arm rear end piece, and the lifting arm front end piece comprises a first connecting piece and a second connecting piece which are respectively arranged at two sides of the first connecting groove.
The invention is further improved, the lifting arm rear end part is provided with a second connecting groove facing the lifting arm front end part, and the lifting arm rear end part comprises a third connecting piece and a fourth connecting piece which are respectively arranged at two sides of the second connecting groove.
The invention is further improved, the rib plate part comprises an upper rib plate part and a lower rib plate part, two ends of the upper rib plate part are respectively and fixedly connected with the first connecting part and the third connecting part, and two ends of the lower rib plate part are respectively and fixedly connected with the second connecting part and the fourth connecting part.
The invention further improves the structure, the front end part of the lifting arm, the rear end part of the lifting arm, the upper rib plate part and the lower rib plate part are enclosed to form a hollow plate, the structure of the hydraulic tail plate lifting arm of the truck also comprises a web plate, and the shape of the web plate is matched with that of the hollow area and is respectively and fixedly connected with the front end part of the lifting arm, the rear end part of the lifting arm, the upper rib plate part and the lower rib plate.
The invention is further improved, the plate thickness of the lifting arm front end part, the lifting arm rear end part, the upper rib plate part and the lower rib plate part is consistent, and the plate thickness of the web plate part is smaller than that of the lifting arm front end part.
The invention is further improved, the web members and the plate members are combined in an I-shaped longitudinal section and are symmetrically arranged on the longitudinal section.
The invention is further improved, the first connecting groove and the second connecting groove are respectively provided with a limiting groove for limiting the fixed position of the web member, and two ends of the web member are respectively arranged in the limiting grooves.
The invention is further improved, and more than one lightening hole is arranged on the web member.
In a further development of the invention, the rear end part of the lifting arm has the same shape as the first connecting groove.
Compared with the prior art, the invention has the beneficial effects that: the weight can be reduced to the maximum extent; the waste of raw materials is reduced, and social resources are saved.
Drawings
FIGS. 1-2 are schematic views of the mounting positions of the lifting arm structures;
FIGS. 3 and 4 are schematic prior art structures;
FIG. 5 is an exploded view of an embodiment of the present invention;
FIGS. 6 and 7 are schematic structural views of another embodiment of the present invention;
FIG. 8 is a schematic structural view of a front piece of the lift arm;
FIG. 9 is a schematic view of the rear end piece of the lifting arm;
FIG. 10 is a side view of FIG. 6;
FIG. 11 is a cross-sectional view A-A of FIG. 10 in a symmetrical arrangement;
FIG. 12 is a cross-sectional view B-B of FIG. 10 in a symmetrical arrangement;
FIG. 13 is a cross-sectional view C-C of FIG. 10 in a symmetrical arrangement;
FIG. 14 is a cross-sectional view A-A of an asymmetric design;
fig. 15 is a schematic structural diagram of a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention is suitable for the lifting arm structure in the lifting tail plate of the vehicle-mounted loading and unloading automatic equipment of a truck and a trailer, and the lifting tail plate of the truck is divided into three main series of 1 ton, 1.5 ton and 2 ton according to the lifting capacity. In 3 series, trucks of different tonnages require different stiffness of the lifting arm structure. The following examples are given by way of illustration.
The first embodiment is as follows:
as shown in figure 5, the invention comprises a lifting arm front end part 2-3-1, a lifting arm rear end part 2-3-2 and a rib plate part arranged between the lifting arm front end part and the lifting arm rear end part. The three components are welded together as a unit.
As shown in fig. 5, 8 and 9, the front end piece 2-3-1 of the lifting arm of this example is provided with a first pin shaft hole 2-3-1-2 fixedly connected with the front pin shaft sleeve 2-2-2 and a connecting hole 2-3-1-3 connected with a hydraulic assembly, and the rear end piece 2-3-2 of the lifting arm is provided with a second pin shaft hole 2-3-2-2 fixedly connected with the rear pin shaft sleeve 2-2-3.
The lifting arm structure is divided into a plurality of independent parts for processing and welding, and a topological optimization design is adopted, so that the lifting arm main board material is reasonably distributed, and the material utilization rate of the raw material base board plate is greatly improved. The waste of raw materials is reduced, and social resources are saved. And the existing mature robot is adopted for welding, so that the labor cost and the assembly cost are not increased, and compared with the saved raw materials, the production cost of the invention is greatly reduced.
In order to reduce the weight of the design, the lifting arm structure of this embodiment is a hollow structure, preferably, the front end part 2-3-1 of the lifting arm is provided with a first connecting groove 2-3-1-1 facing the rear end part of the lifting arm, the front end part of the lifting arm comprises a first connecting piece 2-3-1-4 and a second connecting piece 2-3-1-5 respectively arranged at two sides of the first connecting groove 2-3-1-1, the rear end part 2-3-2 of the lifting arm is provided with a second connecting groove 2-3-2-1 facing the front end part of the lifting arm, and the rear end part 2-3-2 of the lifting arm comprises a third connecting piece 2-3-2-3 and a fourth connecting piece 2-3-2-4 respectively arranged at two sides of the second connecting groove 2-3-2-1.
The gusset piece comprises an upper gusset piece 2-3-3 and a lower gusset piece 2-3-4, two ends of the upper gusset piece 2-3-3 are respectively and fixedly connected with a first connecting piece 2-3-1-4 and a third connecting piece 2-3-2-3, and two ends of the lower gusset piece 2-3-4 are respectively and fixedly connected with a second connecting piece 2-3-1-5 and a fourth connecting piece 2-3-2-4. Therefore, the area of the hollow area is as large as possible while meeting the tonnage requirement of the truck, and the lightweight design is realized to the greatest extent. Of course, the hollow area of this example can also be provided in the middle of the web member.
As a preferred embodiment of the invention, the shape of the rear end part 2-3-2 of the lifting arm is the same as that of the first connecting groove 2-3-1-1, and the rear end part 2-3-2 of the lifting arm is directly dug in the area of the front end part 2-3-1 of the lifting arm to take materials, so that the material utilization rate of the base plate is further improved, and in addition, two parts are processed by one program, so that the processing efficiency is further improved.
Example two:
as shown in fig. 6 and 7, in order to further improve the lifting arm structure of this example, this example further includes web members 2-3-5, where the web members 2-3-5 are disposed in a hollow area of the lifting arm front member 2-3-1, the lifting arm rear member 2-3-2, the upper rib member 2-3-3, and the lower rib member 2-3-4, which enclose the hollow area, and the web members 2-3-5 are adapted to the hollow area and fixedly connected to the lifting arm front member 2-3-1, the lifting arm rear member 2-3-2, the upper rib member 2-3-3, and the lower rib member 2-3-4, respectively.
The web members 2-3-5 of the present example are of a material reducing design, that is, the plate thicknesses of the front lifting arm end member 2-3-1, the rear lifting arm end member 2-3-2, the upper rib plate member 2-3-3 and the lower rib plate member 2-3-4 are the same, and the plate thickness of the web members 2-3-5 is smaller than the plate thickness of the front lifting arm end member 2-3-1 and the like.
Example three:
as shown in fig. 10 to 13, in the installation position of the web members 2-3-5 of this embodiment, the web members 2-3-5 are respectively combined with the lifting arm front end member 2-3-1, the lifting arm rear end member 2-3-2, the upper rib member 2-3-3 and the lower rib member 2-3-4 in an i-shape in the longitudinal section and symmetrically arranged on the longitudinal symmetry plane F.
In this embodiment, the first connecting groove 2-3-1-1 and the second connecting groove 2-3-2-1 may be respectively provided with a limiting groove for limiting the fixing position of the web member 2-3-5, and both ends of the web member 2-3-5 are respectively disposed in the limiting grooves. And the positioning is fast, so that the assembly efficiency is improved, and the product consistency is good.
Example four:
as shown in fig. 14, in the installation position of the web members 2-3-5 of this embodiment, the web members 2-3-5 are respectively arranged in an i-shape without being combined with the lifting arm front end member 2-3-1, the lifting arm rear end member 2-3-2, the upper rib member 2-3-3 and the lower rib member 2-3-4 in the longitudinal section, and are arranged off-center and asymmetrically on the longitudinal symmetry plane F.
Example five:
as shown in fig. 15, in order to reduce the weight, the weight reduction holes of various types, shapes and numbers may be formed to reduce the weight of the material and the entire lifting arm.
Example six:
when the hydraulic tail plate lifting arm structure of the truck is implemented, the combined lifting arm main plate part is an integral component formed by connecting a front end part 2-3-1 of a lifting arm, a rear end part 2-3-2 of the lifting arm, an upper rib plate part 2-3-3, a lower rib plate part 2-3-4 and a web plate part 2-3-5 of the combined lifting arm main plate through splicing and welding, and the beneficial effect of the invention is achieved.
Example seven:
when the hydraulic tail plate lifting arm structure of the truck is implemented, the rear end part 2-3-2 of the lifting arm, the upper rib plate 2-3-3, the lower rib plate 2-3-4 and the web plate 2-3-5 of the combined lifting arm main plate can be formed into a part by one material or a composite material, and then the lifting arm rear end part 2-3-1 and the lifting arm rear end part 2-3-2 are combined to form the integral hydraulic tail plate lifting arm structure of the truck, so that the beneficial effects of the invention are achieved.
As can be seen from the above embodiments, the present invention has the following outstanding effects:
1. compared with the traditional lifting arm main board, the lifting tail board lifting arm main board structure of the truck has the core advantage of being light in weight to the maximum extent, can reduce weight by 50 percent, is suitable for the trend of logistics equipment development, can better meet the requirements of energy conservation and environmental protection of manufacturing enterprises and terminal customers, and particularly can meet the light weight requirements of various foreign countries;
2. the truck lifting tail plate lifting arm main plate structure adopts a topological optimization design, so that the lifting arm main plate material is reasonably distributed, the material utilization rate of the raw material base plate is greatly improved, the waste of raw materials is reduced, and social resources are saved.
The above-described embodiments are intended to be illustrative, and not restrictive, of the invention, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a cargo vehicle hydraulic pressure tailboard lifts arm structure which characterized in that: the hydraulic lifting arm comprises a lifting arm front end part, a lifting arm rear end part and a rib plate part arranged between the lifting arm front end part and the lifting arm rear end part, wherein the lifting arm front end part is provided with a first pin shaft hole fixedly connected with a front pin shaft sleeve and a connecting hole connected with a hydraulic assembly, and the lifting arm rear end part is provided with a second pin shaft hole fixedly connected with a rear pin shaft sleeve.
2. The truck hydraulic tailgate lifting arm structure according to claim 1, characterized in that: the lifting arm front end piece is provided with a first connecting groove facing the direction of the lifting arm rear end piece, and comprises a first connecting piece and a second connecting piece which are arranged on two sides of the first connecting groove respectively.
3. The truck hydraulic tailgate lifting arm structure according to claim 2, characterized in that: the lifting arm rear end part is provided with a second connecting groove facing the direction of the lifting arm front end part, and the lifting arm rear end part comprises a third connecting piece and a fourth connecting piece which are arranged on two sides of the second connecting groove respectively.
4. The truck hydraulic tailgate lifting arm structure according to claim 3, characterized in that: the rib plate piece comprises an upper rib plate piece and a lower rib plate piece, two ends of the upper rib plate piece are fixedly connected with the first connecting piece and the third connecting piece respectively, and two ends of the lower rib plate piece are fixedly connected with the second connecting piece and the fourth connecting piece respectively.
5. The truck hydraulic tailgate lifting arm structure according to claim 4, characterized in that: the hydraulic tail plate lifting arm structure of the truck comprises a lifting arm front end part, a lifting arm rear end part, an upper rib plate part and a lower rib plate part, wherein the lifting arm front end part, the lifting arm rear end part, the upper rib plate part and the lower rib plate part are enclosed into a hollow plate, the hydraulic tail plate lifting arm structure of the truck further comprises a web plate, and the shape of the web plate is matched with that of a hollow area and is fixedly connected with the lifting arm front end part, the lifting arm rear end part, the upper rib plate part and the.
6. The truck hydraulic tailgate lifting arm structure according to claim 5, characterized in that: the plate thicknesses of the lifting arm front end part, the lifting arm rear end part, the upper rib plate part and the lower rib plate part are consistent, and the plate thickness of the web plate part is smaller than that of the lifting arm front end part.
7. The truck hydraulic tailgate lifting arm structure according to claim 6, characterized in that: the web members and the plates are combined in an I-shaped longitudinal section and symmetrically arranged on the longitudinal section.
8. The truck hydraulic tailgate lifting arm structure according to claim 7, characterized in that: be equipped with in first spread groove and the second spread groove respectively right the web member fixed position is spacing recess, the both ends of web member set up respectively in spacing recess.
9. The truck hydraulic tailgate lifting arm structure according to claim 5, characterized in that: more than one lightening hole is arranged on the web plate.
10. The truck hydraulic tailgate lifting arm structure according to any one of claims 2-9, characterized in that: the lifting arm rear end piece has the same shape as the first connecting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357315.7A CN111422123A (en) | 2020-04-29 | 2020-04-29 | Cargo vehicle hydraulic pressure tailboard lifts arm structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357315.7A CN111422123A (en) | 2020-04-29 | 2020-04-29 | Cargo vehicle hydraulic pressure tailboard lifts arm structure |
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| CN111422123A true CN111422123A (en) | 2020-07-17 |
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| CN202010357315.7A Pending CN111422123A (en) | 2020-04-29 | 2020-04-29 | Cargo vehicle hydraulic pressure tailboard lifts arm structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625456A (en) * | 2022-11-11 | 2023-01-20 | 安徽江淮专用汽车有限公司 | Lifting arm welding assembly |
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| CN209336562U (en) * | 2018-12-26 | 2019-09-03 | 深圳市凯卓立液压设备股份有限公司 | A kind of cantilevered automobile tailboard lift arm |
| CN212148576U (en) * | 2020-04-29 | 2020-12-15 | 深圳市卓励车载智能物流技术研究院 | Cargo vehicle hydraulic pressure tailboard lifts arm structure |
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2020
- 2020-04-29 CN CN202010357315.7A patent/CN111422123A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115625456A (en) * | 2022-11-11 | 2023-01-20 | 安徽江淮专用汽车有限公司 | Lifting arm welding assembly |
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