阅读说明：本技术 一种轻量化液压缸 (Lightweight pneumatic cylinder ) 是由 左林 张俊辉 潘豪 彭晓翔 湛从昌 陈新元 邓江洪 于 2019-09-24 设计创作，主要内容包括：本发明涉及液压缸的技术领域,更具体地说,它涉及一种轻量化液压缸,其技术方案要点是：包括两端连接有缸底和缸盖的缸筒,所述缸筒内设有活塞组件,所述活塞组件连接有中空活塞杆,所述缸筒装配有第一散热组件,所述散热组件为装配在缸筒外壁上的散热筋板,所述散热筋板至少4条,所述缸底外侧装配有第二散热组件,所述第二散热组件为十字形结构的筋板,所述活塞组件为组装式活塞组件。本发明具有重量轻、能加速散热、制造工艺简单、成本低和装拆方便的的优点。(The invention relates to the technical field of hydraulic cylinders, in particular to a lightweight hydraulic cylinder, which has the technical scheme that: the cylinder barrel comprises a cylinder barrel body, wherein the two ends of the cylinder barrel body are connected with a cylinder bottom and a cylinder cover, a piston assembly is arranged in the cylinder barrel body, the piston assembly is connected with a hollow piston rod, the cylinder barrel body is provided with a first heat dissipation assembly, the heat dissipation assembly is a heat dissipation rib plate assembled on the outer wall of the cylinder barrel body, the heat dissipation rib plate is at least 4, a second heat dissipation assembly is assembled on the outer side of the cylinder bottom, the second heat dissipation assembly is a rib plate with a cross structure, and the piston assembly is an. The invention has the advantages of light weight, accelerated heat dissipation, simple manufacturing process, low cost and convenient assembly and disassembly.)

1. The utility model provides a lightweight pneumatic cylinder, its characterized in that, is connected with the cylinder of cylinder end and cylinder cap including both ends, be equipped with piston assembly in the cylinder, piston assembly is connected with the cavity piston rod, the cylinder is equipped with first radiator unit, radiator unit is the heat dissipation gusset of assembly on the cylinder outer wall, 4 at least heat dissipation gussets, the cylinder end outside is equipped with second radiator unit, second radiator unit is cruciform structure's gusset, piston assembly is assembled piston assembly.

2. The lightweight hydraulic cylinder of claim 1, wherein: the thickness of the cylinder barrel is reduced to 4-20 mm.

3. The lightweight hydraulic cylinder of claim 1, wherein: the heat dissipation rib plates are welded on the outer wall of the cylinder barrel, 4-8 ribs are evenly and symmetrically distributed along the outer circle of the cylinder barrel, the height of the ribs is 10-15 mm, and the thickness of the ribs is 1/3-1/2.

4. The lightweight hydraulic cylinder of claim 1, wherein: and a first oil port and a second oil port are formed at two ends of the cylinder barrel.

5. The lightweight hydraulic cylinder of claim 1, wherein: the second rib plate of the cylinder bottom is welded on the cylinder bottom, the height is 10-15 mm, and the thickness is 1/3-1/2.

6. The lightweight hydraulic cylinder of claim 1, wherein: the piston assembly comprises a piston, a sealing element, a supporting ring and a steel ring pressure plate.

7. The lightweight hydraulic cylinder of claim 1, wherein: the piston rod is a seamless hollow steel pipe, and the radius of the piston rod is 2/3-1/3 of the outer diameter of the piston.

8. The lightweight hydraulic cylinder of claim 6, wherein: a cylinder is all cut out on the piston two sides, makes the piston be the I-shaped structure, the piston divide into well core plate and with well core plate integral type ring, the center department on the piston circumference is provided with the sealing member, and sealing member both sides department is provided with first supporting ring and second supporting ring, and first supporting ring and second supporting ring outside are provided with the steel ring clamp plate.

9. The lightweight hydraulic cylinder of claim 8, wherein: the thickness of the steel ring pressing plate is 6-10 mm, and the outer diameter and the inner diameter are adjusted according to the size of the piston.

10. The lightweight hydraulic cylinder of claim 8, wherein: the piston is welded with a rib plate I, the rib plate I is welded between the inner wall of the piston ring and a central plate, two sides of the central plate are distributed, and 4-8 pieces are welded on each side.

Technical Field

The invention belongs to the technical field of hydraulic cylinders, and particularly relates to a lightweight hydraulic cylinder capable of accelerating heat dissipation.

Background

At present, in some mobile hydraulic equipment, such as hydraulic systems of automobiles, airplanes, ships, engineering machinery and the like, weight reduction is required as much as possible, so that energy consumption can be reduced, the strength and rigidity of hydraulic equipment are required to be ensured in weight reduction, the traditional hydraulic cylinder cannot meet the requirements, and a hydraulic element made of high-strength alloy steel or carbon fiber materials is expensive in cost, complex in manufacturing process and high in difficulty. The requirements of portability, strength and rigidity guarantee and production cost guarantee are met, and therefore a hydraulic cylinder cannot be manufactured by adopting a material-changing design in a common hydraulic system.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the hydraulic cylinder which is light in weight, can accelerate heat dissipation, is simple in manufacturing process, low in cost and convenient to assemble and disassemble.

The technical purpose of the invention is realized by the following technical scheme: the light hydraulic cylinder is characterized by comprising a cylinder barrel, wherein the cylinder barrel is connected with a cylinder bottom and a cylinder cover at two ends, a piston assembly is arranged in the cylinder barrel, the piston assembly is connected with a hollow piston rod, the thickness of the cylinder barrel wall is reduced by the cylinder barrel, the cylinder barrel is provided with a first heat dissipation assembly, the heat dissipation assembly is a heat dissipation rib plate assembled on the outer wall of the cylinder barrel, the heat dissipation rib plate is at least 4, a second heat dissipation assembly is assembled on the outer side of the cylinder bottom, the second heat dissipation assembly is of a cross structure, and the piston assembly is an assembled piston assembly.

In one embodiment, the thickness of the cylinder barrel is reduced to 4-20 mm.

In one embodiment, the heat dissipation rib plates are welded on the outer wall of the cylinder barrel, 4-8 ribs are uniformly and symmetrically distributed along the outer circle of the cylinder barrel, the height of the ribs is 10-15 mm, and the thickness of the ribs is 1/3-1/2.

In one embodiment, a first oil port and a second oil port are formed at two ends of the cylinder barrel.

In one embodiment, the second rib plate of the cylinder bottom is welded on the cylinder bottom, the height is 10-15 mm, and the thickness is 1/3-1/2.

In one embodiment, the piston assembly includes a piston, a seal, a support ring, and a steel ring platen.

In one embodiment, the piston rod is a seamless hollow steel tube, and the radius of the piston rod is 2/3-1/3 of the outer diameter of the piston.

In one embodiment, a cylinder is cut from both sides of the piston to form an I-shaped structure, the piston is divided into a central plate and a circular ring integrated with the central plate, a sealing element is arranged at the center of the circumference of the piston, a first supporting ring and a second supporting ring are arranged at two sides of the sealing element, and a steel ring pressing plate is arranged outside the first supporting ring and the second supporting ring.

In one embodiment, the thickness of the steel annular pressing plate is 6-10 mm, and the outer diameter and the inner diameter are adjusted according to the size of the piston.

In one embodiment, the piston is welded with a rib plate I, the rib plate I is welded between the inner wall of the piston ring and a central plate, two sides of the central plate are distributed, and 4-8 pieces are welded on each side.

The hydraulic cylinder has the advantages of light weight, accelerated heat dissipation, simple manufacturing process, low cost and convenient assembly and disassembly.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.

Fig. 3 is a view from direction B of fig. 1.

Fig. 4 is a partial enlarged view of i in fig. 1.

In the figure: 1. a heat dissipation rib plate; 2. a piston; 3. a cylinder barrel; 4. a piston rod; 5. a cylinder cover; 6. a rib plate I; 7. a first support ring; 8. a seal member; 9. a second support ring; 10. pressing a steel ring; 11. a cylinder bottom; 12. a second rib plate; 13. a second heat dissipation assembly; 14. a first heat dissipation assembly; a. a first oil port; b. a second oil port.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

As shown in fig. 1-3, a lightweight hydraulic cylinder comprises a cylinder barrel 3 with two ends connected with a cylinder bottom 11 and a cylinder cover 5, a piston assembly is arranged in the cylinder barrel 3, the piston assembly is connected with a hollow piston rod 4, the cylinder barrel 3 reduces the thickness of the cylinder barrel wall to 4-20 mm, the cylinder barrel 3 is assembled with a first heat dissipation assembly 14, the first heat dissipation assembly 14 is a heat dissipation rib plate 1 assembled on the outer wall of the cylinder barrel 3, the heat dissipation rib plate 1 is at least 4, a second heat dissipation assembly 13 is assembled on the outer side of the cylinder bottom 11, the second heat dissipation assembly 13 is a rib plate two 12 with a cross structure, and the piston assembly is an assembled piston assembly. The hydraulic cylinder reduces the weight of the cylinder barrel 3 by reducing the wall thickness of the cylinder barrel 3 and increasing the rib plate structure, reduces the whole weight of the hydraulic cylinder by using the hollow piston rod 4, dissipates heat by the rib plates at the cylinder bottom 11 and the cylinder barrel 3, and is convenient to disassemble and assemble by reinforcing the assembled piston assembly, so the hydraulic cylinder has the advantages of light weight, accelerated heat dissipation, low cost and convenience in disassembly and assembly.

Specifically, the heat dissipation rib plate 1 is welded on the outer wall of the cylinder barrel 3, 4-8 ribs are uniformly and symmetrically distributed along the outer circle of the cylinder barrel 3, the height of the rib plate is 10-15 mm, and the thickness of the rib plate is 1/3-1/2. After the technology is used, the strength and the rigidity of the cylinder barrel 3 can be increased, and the heat dissipation can be accelerated.

Specifically, a first oil port a and a second oil port b are formed at two ends of the cylinder 3. After the technology is used, the piston assembly can move left and right through the two oil ports.

As shown in FIG. 3, the second rib plate 12 of the cylinder bottom 11 is welded on the cylinder bottom 11, the height is 10-15 mm, and the thickness is 1/3-1/2. After the above technique is used, the heat dissipation of the cylinder bottom 11 can be accelerated.

As shown in fig. 4, the piston assembly includes a piston 2, a seal 8, a back-up ring and a steel ring platen 10. After the technology is used, the piston 2 is divided into a plurality of components, so that the piston is convenient to disassemble and assemble.

Specifically, a cylinder is cut from both sides of the piston 2, so that the piston 2 is in an I-shaped structure, and the piston 2 is divided into a central plate and a circular ring integrated with the central plate. After the technology is used, the weight of the piston 2 is reduced, and the aim of reducing the weight is fulfilled.

Specifically, a sealing element 8 is arranged at the center of the circumference of the piston 2, a first supporting ring 7 and a second supporting ring 9 are arranged at two sides of the sealing element 8, and a steel ring pressing plate 10 is arranged at the outer sides of the first supporting ring 7 and the second supporting ring 9. After the technology is used, the sealing element 8 can avoid the oil leakage of the piston 2.

Specifically, the thickness of the steel annular pressing plate 10 is 6-10 mm, and the outer diameter and the inner diameter are adjusted according to the size of the piston 2. After the technology is used, the positioning of the piston 2 is ensured.

Specifically, a rib plate I6 is welded on the piston 2, the rib plate I6 is welded between the inner wall of the circular ring of the piston 2 and a central plate, the two sides of the central plate are distributed, and 4-8 pieces are welded on each side. After the technology is used, the rigidity and the strength of the piston 2 can be influenced after the two circular rings are cut off, and the problem can be solved after the rib plates are additionally arranged.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.