CN210290352U - Five-stage hydraulic cylinder and engineering machinery with same - Google Patents
Five-stage hydraulic cylinder and engineering machinery with same Download PDFInfo
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- CN210290352U CN210290352U CN201921064492.5U CN201921064492U CN210290352U CN 210290352 U CN210290352 U CN 210290352U CN 201921064492 U CN201921064492 U CN 201921064492U CN 210290352 U CN210290352 U CN 210290352U
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Abstract
The utility model provides a five-level pneumatic cylinder and engineering machine tool who has it, five-level pneumatic cylinder includes: a first bushing having a first cavity defined therein extending axially therealong, the first bushing having a diameter of 65mm to 75 mm; the second bushing is movably sleeved on the first bushing along the axial direction of the first bushing, and the diameter of the second bushing is 110mm-120 mm; the third bushing is movably sleeved on the second bushing along the axial direction of the second bushing, and the diameter of the third bushing is 155mm-165 mm; the fourth bushing is movably sleeved on the third bushing along the axial direction of the third bushing, and the diameter of the third bushing is 205mm-215 mm; the cylinder barrel is movably sleeved on the fourth bushing along the axial direction of the fourth bushing, and the diameter of the cylinder barrel is 255-265 mm; and connecting the flanges. According to the utility model discloses five grades of pneumatic cylinders can realize longer stroke, compact structure, operate steadily under the condition of minimum installation distance.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a five-stage hydraulic cylinder and engineering machine tool who has it.
Background
In the mechanical transmission process, the hydraulic cylinder is an advantageous actuating element for converting pressure energy into mechanical energy. The multi-stage hydraulic cylinder is easy to realize the long-stroke transmission process through nesting of a plurality of cylinder bodies. The more the number of stages of the multi-stage hydraulic cylinder is, the easier the long stroke is to realize, but the greater the difficulty of stable operation is, the lower the structural reliability is, and the cylinder expansion phenomenon is easy to occur.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a five-stage hydraulic cylinder, this five-stage hydraulic cylinder stroke is long, compact structure, operates steadily.
The utility model also provides an engineering machine tool of having above-mentioned five-level pneumatic cylinder.
According to the utility model discloses first aspect embodiment five-stage hydraulic cylinder, include: a first bushing having a first cavity defined therein extending axially therealong, the first bushing having a diameter of 65mm to 75 mm; the second bushing is internally provided with a second cavity extending along the axial direction of the second bushing, the second bushing is movably sleeved on the first bushing along the axial direction of the first bushing, and the diameter of the second bushing is 110mm-120 mm; a third bushing, wherein a third cavity extending along the axial direction of the third bushing is defined in the third bushing, the third bushing is movably sleeved on the second bushing along the axial direction of the second bushing, and the diameter of the third bushing is 155mm-165 mm; a fourth bushing, wherein a fourth cavity extending along an axial direction of the fourth bushing is defined in the fourth bushing, the fourth bushing is movably sleeved on the third bushing along the axial direction of the third bushing, and the diameter of the third bushing is 205mm-215 mm; the cylinder barrel is internally provided with a fifth cavity extending along the axial direction of the cylinder barrel, the cylinder barrel is movably sleeved on the fourth bushing along the axial direction of the fourth bushing, and the diameter of the cylinder barrel is 255-265 mm; and the connecting flange is arranged at one end of the cylinder barrel so as to be connected with the cylinder barrel.
According to the utility model discloses five grades of pneumatic cylinders, through making specific radial dimension and the length of suitable extension bush and the cylinder at different levels respectively with first bush, second bush, third bush, fourth bush and cylinder, this two effect five grades of pneumatic cylinders can realize longer stroke, compact structure, operate steadily under the condition of minimum installation distance.
According to the utility model discloses five grades of pneumatic cylinders can also have following additional technical characterstic.
According to an embodiment of the utility model, first bush, the second bush, the third bush, the fourth bush and the cylinder is 27SiMn material respectively.
According to an embodiment of the present invention, the first bush, the second bush, the third bush, the fourth bush and the cylinder have diameters of 70mm, 115mm, 160mm, 210mm and 260mm, respectively.
According to an embodiment of the present invention, the lengths of the first bushing, the second bushing, the third bushing, the fourth bushing and the cylinder are 456mm-466mm, 422mm-432mm, 389mm-399mm, 370mm-480mm and 323mm-333mm, respectively.
According to an embodiment of the present invention, the lengths of the first bushing, the second bushing, the third bushing, the fourth bushing and the cylinder are 461mm, 427mm, 394mm, 375mm and 328mm, respectively.
According to an embodiment of the present invention, the first bushing, the second bushing, the third bushing, the fourth bushing and the cylinder barrel total stroke is 1960mm-2010 mm.
According to an embodiment of the present invention, the first bushing, the second bushing, the third bushing, the fourth bushing and the cylinder barrel total stroke is 1985 mm.
According to the utility model discloses an embodiment, five grades of pneumatic cylinders still include: the casing, the casing forms inside and is injectd the installation cavity and the open barrel in both ends, the casing cover is established the cylinder outside and one end with flange links to each other.
According to the utility model discloses engineering machine tool of second aspect embodiment includes the fifth grade pneumatic cylinder of above-mentioned embodiment.
Drawings
Fig. 1 is an axial cross-sectional view of a five-stage hydraulic cylinder according to an embodiment of the present invention.
Reference numerals:
a five-stage hydraulic cylinder 100; a first bushing 10; a second bushing 20; a third bush 30; a fourth bushing 40; a cylinder barrel 50; a connecting flange 60.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The five-stage hydraulic cylinder 100 according to the embodiment of the present invention will be described first in detail with reference to the accompanying drawings.
As shown in fig. 1, a five-stage hydraulic cylinder 100 according to an embodiment of the present invention includes a first bushing 10, a second bushing 20, a third bushing 30, a fourth bushing 40, a cylinder tube 50, and a connecting flange 60.
Specifically, a first cavity extending along the axial direction of the first bushing 10 is defined in the first bushing 10, the diameter of the first bushing 10 is 65mm-75mm, a second cavity extending along the axial direction of the second bushing 20 is defined in the second bushing 20, the second bushing 20 is movably sleeved on the first bushing 10 along the axial direction of the first bushing 10, the diameter of the second bushing 20 is 110mm-120mm, a third cavity extending along the axial direction of the third bushing 30 is defined in the third bushing 30, the third bushing 30 is movably sleeved on the second bushing 20 along the axial direction of the second bushing 20, the diameter of the third bushing 30 is 155mm-165mm, a fourth cavity extending along the axial direction of the fourth bushing 40 is defined in the fourth bushing 40, the fourth bushing 40 is movably sleeved on the third bushing 30 along the axial direction of the third bushing 30, the diameter of the third bushing 30 is 205mm-215mm, a fifth cavity extending along the axial direction of the cylinder 50 is defined in the cylinder 50, the cylinder barrel 50 is movably sleeved on the fourth lining 40 along the axial direction of the fourth lining 40, the diameter of the cylinder barrel 50 is 255mm-265mm, and the connecting flange 60 is arranged at one end of the cylinder barrel 50 to be connected with the cylinder barrel 50.
In other words, the five-stage hydraulic cylinder 100 is mainly composed of the first bushing 10, the second bushing 20, the third bushing 30, the fourth bushing 40, the cylinder tube 50 and the connecting flange 60, and the double-acting five-stage hydraulic cylinder 100 changes the radial dimensions of the cylinder tube 50 and the bushings of each stage of the conventional multi-stage cylinder, so that the length of the sleeves of each stage can be increased appropriately, i.e., the minimum mounting distance and the ultra-long stroke can be realized. The five-stage hydraulic cylinder 100 includes an extending process and a retracting process in the working process, wherein the extending process: high-pressure oil enters from a cylinder bottom oil port seat at the bottom of the cylinder barrel 50 and acts on the end face of the piston to push the bushing to extend step by step until five stages completely extend out; and (3) retracting process: high-pressure oil enters from a cylinder bottom port seat at the bottom of the oil cylinder and acts on the end face of the piston to push the bushing to retract step by step until the five-step complete retraction.
Therefore, according to the embodiment of the present invention, in the fifth-stage hydraulic cylinder 100, by making the first bushing 10, the second bushing 20, the third bushing 30, the fourth bushing 40, and the cylinder 50 have specific radial dimensions and extending the lengths of the bushings at different levels and the cylinder 50 appropriately, the double-acting fifth-stage hydraulic cylinder 100 can realize a longer stroke under the condition of the minimum installation distance, and has a compact structure and stable operation.
According to some specific embodiments of the present invention, the first bushing 10, the second bushing 20, the third bushing 30, the fourth bushing 40, and the cylinder 50 are 27SiMn pieces of material, respectively.
That is, the bushings and the cylinder tube 50 of the five-stage hydraulic cylinder 100 are made of 27SiMn instead of the conventional Q345D material. Under the condition of the existing pressure, the 27SiMn material has better yield performance and tensile property, so that the wall thickness of the cylinder barrel 50 and the wall thickness of the multistage lining are reduced, the oil passing annular area of each stage is increased, the double-acting stable operation of the oil cylinder is realized, and the condition of cylinder expansion is avoided.
Preferably, the diameters of the first bush 10, the second bush 20, the third bush 30, the fourth bush 40 and the cylinder 50 may be 70mm, 115mm, 160mm, 210mm and 260mm, respectively.
According to an embodiment of the present invention, the lengths of the first bush 10, the second bush 20, the third bush 30, the fourth bush 40 and the cylinder 50 may be 456mm to 466mm, 422mm to 432mm, 389mm to 399mm, 370mm to 480mm and 323mm to 333mm, respectively, and the lengths of the bushes and the cylinder 50 of each stage may be adjusted as needed.
Further, the lengths of the first bush 10, the second bush 20, the third bush 30, the fourth bush 40 and the cylinder 50 may be 461mm, 427mm, 394mm, 375mm and 328mm, respectively, thereby achieving a long stroke.
According to the utility model discloses an embodiment, first bush 10, second bush 20, third bush 30, fourth bush 40 and the total stroke of cylinder 50 are 1960mm-2010mm, and the demand of bigger stroke can be realized to this five-stage hydraulic cylinder 100.
Preferably, the total stroke of the first bushing 10, the second bushing 20, the third bushing 30, the fourth bushing 40 and the cylinder 50 is 1985 mm.
In an embodiment of the present invention, the fifth-stage hydraulic cylinder 100 further includes a casing, the casing is formed to define an installation cavity and a cylinder body with two open ends inside, the casing is sleeved outside the cylinder 50, and one end of the casing is connected to the connecting flange 60, so that the structure is stable and the installation is convenient.
According to the utility model discloses five-stage hydraulic cylinder 100, through making specific radial dimension and suitable extension bush and the length of cylinder 50 at different levels respectively with first bush 10, second bush 20, third bush 30, fourth bush 40 and cylinder 50, this two effect five-stage hydraulic cylinder 100 can realize longer stroke under the condition of minimum installation distance, compact structure, operate steadily.
According to the utility model discloses engineering machine tool includes the five-stage pneumatic cylinder 100 according to above-mentioned embodiment, because according to the utility model discloses the five-stage pneumatic cylinder 100 of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses engineering machine tool also has corresponding technological effect, can realize longer stroke, compact structure, operates steadily under the condition of minimum installation distance.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A five-stage hydraulic cylinder, comprising:
a first bushing having a first cavity defined therein extending axially therealong, the first bushing having a diameter of 65mm to 75 mm;
the second bushing is internally provided with a second cavity extending along the axial direction of the second bushing, the second bushing is movably sleeved on the first bushing along the axial direction of the first bushing, and the diameter of the second bushing is 110mm-120 mm;
a third bushing, wherein a third cavity extending along the axial direction of the third bushing is defined in the third bushing, the third bushing is movably sleeved on the second bushing along the axial direction of the second bushing, and the diameter of the third bushing is 155mm-165 mm;
a fourth bushing, wherein a fourth cavity extending along an axial direction of the fourth bushing is defined in the fourth bushing, the fourth bushing is movably sleeved on the third bushing along the axial direction of the third bushing, and the diameter of the third bushing is 205mm-215 mm;
the cylinder barrel is internally provided with a fifth cavity extending along the axial direction of the cylinder barrel, the cylinder barrel is movably sleeved on the fourth bushing along the axial direction of the fourth bushing, and the diameter of the cylinder barrel is 255-265 mm;
and the connecting flange is arranged at one end of the cylinder barrel so as to be connected with the cylinder barrel.
2. The fifth stage hydraulic cylinder of claim 1, wherein the first bushing, the second bushing, the third bushing, the fourth bushing, and the cylinder barrel are each 27SiMn pieces of material.
3. The five-stage hydraulic cylinder according to claim 1, wherein the first bushing, the second bushing, the third bushing, the fourth bushing, and the cylinder barrel have diameters of 70mm, 115mm, 160mm, 210mm, and 260mm, respectively.
4. The five-stage hydraulic cylinder according to claim 1, wherein the lengths of the first bushing, the second bushing, the third bushing, the fourth bushing, and the cylinder tube are 456mm-466mm, 422mm-432mm, 389mm-399mm, 370mm-480mm, and 323mm-333mm, respectively.
5. The five stage hydraulic cylinder according to claim 4 wherein the lengths of the first bushing, the second bushing, the third bushing, the fourth bushing and the cylinder bore are 461mm, 427mm, 394mm, 375mm and 328mm, respectively.
6. The five-stage hydraulic cylinder according to claim 1, wherein the total stroke of the first bushing, the second bushing, the third bushing, the fourth bushing, and the cylinder barrel is 1960mm-2010 mm.
7. The five-stage hydraulic cylinder according to claim 6, wherein the total stroke of the first bushing, the second bushing, the third bushing, the fourth bushing, and the cylinder barrel is 1985 mm.
8. The five-stage hydraulic cylinder according to claim 7, further comprising:
the casing, the casing forms inside and is injectd the installation cavity and the open barrel in both ends, the casing cover is established the cylinder outside and one end with flange links to each other.
9. A working machine comprising a five-stage hydraulic cylinder according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064492.5U CN210290352U (en) | 2019-07-09 | 2019-07-09 | Five-stage hydraulic cylinder and engineering machinery with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064492.5U CN210290352U (en) | 2019-07-09 | 2019-07-09 | Five-stage hydraulic cylinder and engineering machinery with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290352U true CN210290352U (en) | 2020-04-10 |
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ID=70101393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921064492.5U Active CN210290352U (en) | 2019-07-09 | 2019-07-09 | Five-stage hydraulic cylinder and engineering machinery with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290352U (en) |
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2019
- 2019-07-09 CN CN201921064492.5U patent/CN210290352U/en active Active
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