CN214465257U - Oil cylinder supporting device and lorry-mounted crane - Google Patents
Oil cylinder supporting device and lorry-mounted crane Download PDFInfo
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- CN214465257U CN214465257U CN202023163700.2U CN202023163700U CN214465257U CN 214465257 U CN214465257 U CN 214465257U CN 202023163700 U CN202023163700 U CN 202023163700U CN 214465257 U CN214465257 U CN 214465257U
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- oil cylinder
- telescopic oil
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Abstract
The utility model discloses a hydro-cylinder strutting arrangement and lorry crane belongs to lorry crane hydro-cylinder and supports the field. The utility model discloses a landing leg structure and two horizontal flexible hydro-cylinders, two horizontal flexible hydro-cylinder fixed mounting is a whole, two the piston rod motion opposite direction of horizontal flexible hydro-cylinder, one of them install bearing structure on the body of horizontal flexible hydro-cylinder, bearing structure sets up with the landing leg structure activity. In order to stabilize the vehicle equipment, the supporting leg oil cylinder is extended to the ground, so that the operation stability of the truck-mounted crane is improved. The horizontal support leg span determines the safety range of the lorry-mounted crane operation, and the two-stage horizontal support leg driven by the binding oil cylinder is adopted, so that the supporting device is added, and the problem of reliability after the horizontal telescopic oil cylinder is completely extended out is solved.
Description
Technical Field
The utility model relates to a technical field that lorry crane hydro-cylinder supported especially relates to a hydro-cylinder strutting arrangement and lorry crane.
Background
The lorry-mounted crane generally comprises a truck chassis, a cargo compartment, a power takeoff and a crane, and has the advantages of good maneuverability, rapid transfer, integration of hoisting and transportation functions and improvement of resource utilization rate. With the development of lorry-mounted cranes in the direction of large-tonnage and long-telescopic booms, the span of the horizontal supporting legs is also larger and larger, and the mode that the horizontal supporting legs are driven by binding oil cylinders to extend out of two-stage legs is widely adopted.
The double-stage leg of the existing lorry-mounted crane adopts the technology of binding an oil cylinder, but is not provided with a supporting device. Because the stroke of the horizontal telescopic oil cylinder is long, when the horizontal telescopic oil cylinder extends fully, the vertical supporting legs extend out, a large deflection is generated in the middle of the horizontal telescopic oil cylinder, the horizontal telescopic oil cylinder is bent due to the large stroke, oil at the position of a guide sleeve of the horizontal telescopic oil cylinder leaks and a piston rod bends and deforms after long-time work, the service life of the oil cylinder is short, the reliability is low, and when a vehicle runs and turns, the supporting legs are easy to throw out, so that great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the prior art in not enough, so provide a hydro-cylinder strutting arrangement and lorry crane, for making vehicle equipment stable, extend landing leg hydro-cylinder to ground, improve the operating stability that the lorry hung. The horizontal support leg span determines the safety range of the lorry-mounted crane operation, and the two-stage horizontal support leg driven by the binding oil cylinder is adopted, so that the supporting device is added, and the problem of reliability after the horizontal telescopic oil cylinder is completely extended out is solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil cylinder supporting device, includes landing leg structure and two horizontal flexible hydro-cylinders, two horizontal flexible hydro-cylinder fixed mounting is a whole, two the piston rod motion opposite direction of horizontal flexible hydro-cylinder, one of them install bearing structure on the body of horizontal flexible hydro-cylinder, bearing structure sets up with the landing leg structure activity.
Further preferred scheme, bearing structure includes the support, the support including the installation department that is located bottom and level setting and be located top and vertical setting and with installation department body coupling's supporting part, be equipped with the guide on the installation department, be provided with two both sides that are located horizontal telescopic cylinder respectively about the supporting part, two the supporting part is connected through the cylinder body of round pin axle with one of them horizontal telescopic cylinder.
Further preferred scheme, be provided with two sets ofly around the guide, two sets of the guide includes step shaft, gyro wheel and locking piece, the gyro wheel passes through the step shaft and is connected with the installation department, the epaxial accordant connection of step has the position that locking piece is used for restricting the gyro wheel.
According to a further preferred scheme, the two horizontal telescopic oil cylinders are distributed vertically, connecting seats are arranged on one opposite sides of the two horizontal telescopic oil cylinders, and the connecting seats on the two horizontal telescopic oil cylinders are connected into a whole through connecting bolts.
A lorry-mounted crane comprises the oil cylinder supporting device.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model discloses in utilize two horizontal flexible hydro-cylinders fixed mounting and its piston rod motion opposite, the body through to one of them horizontal flexible hydro-cylinder supports, when two horizontal flexible hydro-cylinders stretch out completely, along with the overhanging of piston rod simultaneously at the inside removal of landing leg and support horizontal flexible hydro-cylinder through its bearing structure, effectively solve its amount of deflection that produces in the middle of the horizontal flexible hydro-cylinder, improve its bending deformation resistance ability, can also prevent its uide bushing department fluid simultaneously and leak, the emergence of piston rod bending deformation phenomenon, improve its performance and life, the reliability is showing and is improving. Because the cylinder bodies of the two horizontal telescopic oil cylinders are rigidly connected together, the guide sleeve of the horizontal telescopic oil cylinder can be prevented from being bent greatly, the problems of oil leakage at the guide sleeve of the horizontal telescopic oil cylinder and easy failure of the piston seal of the horizontal telescopic oil cylinder during operation are solved, and the reliability of the binding oil cylinder is ensured.
Drawings
FIG. 1 is a diagram of the working condition of the horizontal telescopic cylinder of the present invention when it is contracted;
fig. 2 is a working condition diagram when the horizontal telescopic cylinder of the present invention is in an extended state;
fig. 3 is a schematic view of the overall structure of the middle supporting structure of the present invention.
In the figure: 1. a horizontal telescopic oil cylinder; 2. a support structure; 3. a support; 4. an installation part; 5. a support portion; 6. a roller; 7. a locking member; 8. a stepped shaft; 9. a connecting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, an oil cylinder supporting device comprises a supporting leg structure and two horizontal telescopic oil cylinders 1, wherein the two horizontal telescopic oil cylinders 1 are fixedly installed as a whole, the motion directions of piston rods of the horizontal telescopic oil cylinders 1 are opposite, a supporting structure 2 is installed on a cylinder body of one horizontal telescopic oil cylinder 1, and the supporting structure 2 and the supporting leg structure are movably arranged. By utilizing the fact that the piston rods of the two horizontal telescopic oil cylinders 1 move oppositely, when the piston rods of the two horizontal telescopic oil cylinders 1 extend outwards completely, the supporting structure 2 moves in the supporting leg structure along with the extension of the piston rod of the horizontal telescopic oil cylinder 1 without the supporting structure 2, and supports the horizontal telescopic oil cylinder 1 at the same time, so that the phenomenon of large deflection when the piston rod extends out completely is prevented, the reliability is further improved, the anti-bending deformation capability is improved, and meanwhile, the phenomena of oil leakage and piston rod bending deformation at the position of a guide sleeve can be prevented,
the further preferred scheme of this embodiment, bearing structure 2 includes support 3, support 3 including the installation department 4 that is located bottom and level setting and be located top and vertical setting and with installation department 4 body coupling's supporting part 5, be equipped with the guide on installation department 4, be provided with two both sides that are located horizontal telescopic cylinder 1 respectively about supporting part 5, two supporting part 5 is connected with one of them horizontal telescopic cylinder 1's the body through the round pin axle. The guide is used for moving in the supporting leg structure, and the special structural design of the supporting part 5 and the mounting part 4 is used for ensuring the structural strength of the support 3, ensuring the supporting effect and improving the reliability.
The further preferred scheme of this embodiment, the guide is provided with two sets of around, two sets of the guide includes step shaft 8, gyro wheel 6 and locking piece 7 (preferred nut), gyro wheel 6 is connected with installation department 4 through step shaft 8, there is the position that locking piece 7 is used for restricting gyro wheel 6 through screw thread accordant connection on the step shaft 8. By utilizing the front and back arrangement of the two groups of guide pieces, the support 3 can stably move and can also ensure the moving reliability when the support structure 2 extends outwards along with the piston rod of the horizontal telescopic oil cylinder 1.
In a further preferred scheme of this embodiment, two horizontal telescopic oil cylinders 1 are distributed from top to bottom, two one sides of horizontal telescopic oil cylinders 1 opposite to each other are provided with connecting seats 9, and the connecting seats 9 located on the two horizontal telescopic oil cylinders 1 are connected into a whole through connecting bolts. The horizontal telescopic oil cylinders 1 can be better supported by utilizing the vertical distribution of the two telescopic oil cylinders 1, the deflection generated in the middle of the horizontal telescopic oil cylinders 1 is effectively solved, the bending deformation resistance of the horizontal telescopic oil cylinders is improved, the phenomena of oil leakage and piston rod bending deformation at the guide sleeve can be prevented, the service performance and the service life of the horizontal telescopic oil cylinders are improved, and the reliability is obviously improved.
Example 2:
a lorry-mounted crane comprises the oil cylinder supporting device in embodiment 1.
The utility model discloses for realizing like this when concrete implementation, when the piston rod of the flexible hydro-cylinder of the level 1 of lower part stretches out to the outside, bearing structure 1 can be through gyro wheel 6 of guide inside the landing leg structure remove simultaneously to the flexible hydro-cylinder of level 1, effectively solve its amount of deflection that produces in the middle of the flexible hydro-cylinder of level, improve its bending deformation ability, can also prevent simultaneously that its uide bushing department fluid from leaking, the emergence of piston rod bending deformation phenomenon, improve its performance and life, the reliability is showing and is improving.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.
Claims (5)
1. The utility model provides an oil cylinder supporting device, includes landing leg structure and two horizontal flexible hydro-cylinders (1), its characterized in that, two horizontal flexible hydro-cylinder (1) fixed mounting is a whole, two the piston rod direction of motion of horizontal flexible hydro-cylinder (1) is opposite, one of them install bearing structure (2) on the body of horizontal flexible hydro-cylinder (1), bearing structure (2) set up with the landing leg structure activity.
2. The oil cylinder supporting device is characterized in that the supporting structure (2) comprises a support (3), the support (3) comprises an installation part (4) which is located at the bottom and is horizontally arranged and a supporting part (5) which is located at the top and is vertically arranged and is integrally connected with the installation part (4), a guide part is arranged on the installation part (4), two sides which are respectively located on the horizontal telescopic oil cylinder (1) are arranged on the left side and the right side of the supporting part (5), and the supporting part (5) is connected with a cylinder body of one of the horizontal telescopic oil cylinders (1) through a pin shaft.
3. The oil cylinder supporting device is characterized in that two groups of guide pieces are arranged in front of and behind the oil cylinder supporting device, the two groups of guide pieces comprise a stepped shaft (8), an idler wheel (6) and a locking piece (7), the idler wheel (6) is connected with the mounting portion (4) through the stepped shaft (8), and the locking piece (7) is connected to the stepped shaft (8) in a matched mode and used for limiting the position of the idler wheel (6).
4. The oil cylinder supporting device is characterized in that the two horizontal telescopic oil cylinders (1) are distributed up and down, connecting seats (9) are arranged on one opposite sides of the two horizontal telescopic oil cylinders (1), and the connecting seats (9) on the two horizontal telescopic oil cylinders (1) are connected into a whole through connecting bolts.
5. A lorry-mounted crane, characterized in that it comprises a cylinder support device according to any of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163700.2U CN214465257U (en) | 2020-12-23 | 2020-12-23 | Oil cylinder supporting device and lorry-mounted crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163700.2U CN214465257U (en) | 2020-12-23 | 2020-12-23 | Oil cylinder supporting device and lorry-mounted crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465257U true CN214465257U (en) | 2021-10-22 |
Family
ID=78192961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023163700.2U Active CN214465257U (en) | 2020-12-23 | 2020-12-23 | Oil cylinder supporting device and lorry-mounted crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465257U (en) |
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2020
- 2020-12-23 CN CN202023163700.2U patent/CN214465257U/en active Active
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