CN101270769A - Hydraulic cylinder and production method thereof - Google Patents
Hydraulic cylinder and production method thereof Download PDFInfo
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- CN101270769A CN101270769A CNA2008100506713A CN200810050671A CN101270769A CN 101270769 A CN101270769 A CN 101270769A CN A2008100506713 A CNA2008100506713 A CN A2008100506713A CN 200810050671 A CN200810050671 A CN 200810050671A CN 101270769 A CN101270769 A CN 101270769A
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Abstract
The invention relates to a hydraulic cylinder and a manufacturing method thereof, which belongs to the hydraulic mechanical technology field. A present hydraulic cylinder structure is changed. A hydraulic cylinder product comprises main parts of a cylinder tube, a piston tube, a positioning tube or positioning column, a base, a sealing part, etc. and the hydraulic cylinder is applied to the installation and the use of the hydraulic mechanical equipment with low load and large stroke. The pressure effective area required by the load is calculated and set through conditions of load, pressure, etc. The size of the positioning tube or the positioning column in the hydraulic cylinder body is designed. The hydraulic piston and the effective area of the end of the piston tube are matched with the pressure effective area required by the load operation. Thus, compared with a common hydraulic cylinder, the hydraulic cylinder has the advantages that the oil storing amount in the cylinder body is reduced, an oil tank which is matched with the hydraulic system is reduced, the flow of a hydraulic pump is reduced, the power configuration of a motor is reduced, the cost is lowered, the energy is saved and the application range of the hydraulic cylinder is improved. The hydraulic cylinder is provided with simple and energy saving performances when being applied to the hydraulic elevator field with low load and large stroke, novel and practical performances and realistic feasibility.
Description
Technical field:
The present invention relates to a kind of oil hydraulic cylinder and preparation method thereof, belong to the hydraulic machinery technical field.
Background technique:
Existing hydraulic cylinder structure is formed approved product by major parts such as cylinder barrel, piston, piston rod, sealing guide sleeves, is applied in the every profession and trade widely.But in the hydraulic machinery equipment of little load, big stroke, use and obvious defects occurred, its cylinder barrel oil pocket is big, piston rod is thick, make the configurations such as fuel tank, flow, oil hydraulic pump, motor of hydraulic system big, power consumption is high, the manufacture cost height, the result has limited application and the development at the hydraulic machinery equipment of low load, big stroke.
Summary of the invention:
The invention provides a kind of oil hydraulic cylinder and preparation method thereof, belong to the hydraulic machinery technical field.By the oil hydraulic cylinder product that cylinder barrel, piston tube, positioning pipe or location are lived, major parts such as base, Sealing are formed.
The present invention finishes by following making process step:
1, gets metallic material and make hydraulic cylinder base; Make positioning pipe or locating column; Make the oil hydraulic cylinder cylinder barrel; Make the hydraulic piston pipe; Make hydraulic piston;
2, fixedlying connected positioning pipe or locating column vertical parallel with hydraulic cylinder base; Being enclosed within on positioning pipe or the locating column that the oil hydraulic cylinder cylinder barrel is vertical, parallel, equidistant fixedlyed connected with hydraulic cylinder base; After on the hydraulic piston pipe hydraulic piston being installed, be placed between hydraulic cylinder and positioning pipe or the locating column hydraulic piston pipe and positioning pipe or locating column frictional fit; The Sealing sealing is installed between hydraulic cylinder and the hydraulic piston pipe, between positioning pipe or locating column and the hydraulic piston pipe; Hydraulic system is injected into hydraulic oil the hydraulic piston pipe lifting operation that promotes to have hydraulic piston in the oil hydraulic cylinder body cavity by oil inlet and outlet; Hydraulic cylinder structure and product have been constituted.
3, can be at fixedly connected oil guide pipe between the lower base of the positioning pipe of oil hydraulic cylinder or between the side cylinder barrel of bottom, the positioning pipe tube chamber can be used as drop tank and uses.
The present invention compares its good effect with existing like product and is: changed existing hydraulic cylinder structure, by cylinder barrel, piston tube, positioning pipe or location live, major parts such as base, Sealing form the oil hydraulic cylinder product, make that oil hydraulic cylinder is applicable to low load, the hydraulic machinery equipment of stroke is installed and used greatly.Pass through load, conditions such as pressure are calculated and are set the pressure effective area that load needs, the positioning pipe in the design hydraulic cylinder or the size of locating column, make hydraulic piston, the pressure effective area coupling that the useful area of piston pipe end and load operation need, result and common oil hydraulic cylinder comparison, trapped fuel amount in the body reduces, the supporting fuel tank of hydraulic system is reduced, the oil hydraulic pump flow reduces, the power of motor configuration reduces, reduced cost, saved energy, improved the application area of oil hydraulic cylinder, particularly in low load, the hudraulic lift field of big stroke is used simply energy-conservation, Nover practical has real feasibility.
Description of drawings:
Fig. 1 is a structure principle chart of the present utility model.
1-hydraulic cylinder base, 2-positioning pipe or locating column, 3-hydraulic cylinder, 4-piston tube, 5-piston, 6-Sealing, 7-Sealing, 8-Sealing, 9-oil inlet and outlet, 10-positioning pipe tube chamber, 11-oil guide pipe.
Embodiment:
Make 9 meters of strokes, carry 5 tons oil hydraulic cylinder:
1, makes the hydraulic cylinder base of diameter 140mm, thickness 30mm;
10mm, external diameter 60mm, internal diameter 40mm positioning pipe behind making length 9000mm, the wall, 28.26 square centimeters of its external diameter areas of a circle, 12.56 square centimeters of the internal diameter areas of a circle;
10mm, external diameter 110mm, internal diameter 90mm oil hydraulic cylinder cylinder barrel behind making length 9000mm, the wall, 63.585 square centimeters of its internal diameter areas of a circle;
10mm, external diameter 80mm, internal diameter 60mm hydraulic piston pipe behind making length 9100mm, the wall, 50.24 square centimeters of its external diameter areas of a circle, 28.26 square centimeters of the internal diameter areas of a circle;
Make with the hydraulic piston pipe inlay cooperate have a seal ring diameter 90mm piston.
2, fixedlying connected positioning pipe 2 vertical parallel with hydraulic cylinder base 1; 3 vertical, parallel, equidistant being enclosed within on the positioning pipe 2 of oil hydraulic cylinder cylinder barrel are fixedlyed connected with hydraulic cylinder base 1; After hydraulic piston 5 is installed on the hydraulic piston pipe 4, be placed between hydraulic cylinder 3 and the positioning pipe 2, between hydraulic cylinder 3 and the hydraulic piston pipe 4, the installation Sealing seals 6,7,8 between positioning pipe 2 and the hydraulic piston pipe 4; Hydraulic system is injected into hydraulic oil the hydraulic piston pipe 4 liftings operation that promotes to have hydraulic piston 5 in the oil hydraulic cylinder body cavity 10 by oil inlet and outlet 9; Constitute hydraulic piston end useful area: 35.325 square centimeters, effective volume in the hydraulic piston end chamber: 31.8 liters; Hydraulic piston pipe end useful area: 13.345 square centimeters, effective volume in the hydraulic piston pipe end chamber: 12.01 liters; Carry 5 tons; The oil hydraulic cylinder product that stroke is 9 meters can realize carrying 18 meters of lifting travels.
Make 9 meters of strokes, carry 2 tons oil hydraulic cylinder:
1, makes the hydraulic cylinder base of diameter 130mm, thickness 30mm;
10mm, external diameter 60mm, internal diameter 40mm positioning pipe behind making length 9000mm, the wall, 28.26 square centimeters of its external diameter areas of a circle, 12.56 square centimeters of the internal diameter areas of a circle;
10mm, external diameter 100mm, internal diameter 80mm oil hydraulic cylinder cylinder barrel behind making length 9000mm, the wall, 50.24 square centimeters of its internal diameter areas of a circle;
6mm, external diameter 72mm, internal diameter 60mm hydraulic piston pipe behind making length 9100mm, the wall, 40.69 square centimeters of its external diameter areas of a circle, 28.26 square centimeters of the internal diameter areas of a circle;
Make with the hydraulic piston pipe inlay cooperate have a seal ring diameter 90mm piston.
2, fixedlying connected positioning pipe 2 vertical parallel with hydraulic cylinder base 1; 3 vertical, parallel, equidistant being enclosed within on the positioning pipe 2 of oil hydraulic cylinder cylinder barrel are fixedlyed connected with hydraulic cylinder base 1; After hydraulic piston 5 is installed on the hydraulic piston pipe 4, be placed between hydraulic cylinder 3 and the positioning pipe 2, between hydraulic cylinder 3 and the hydraulic piston pipe 4, the installation Sealing seals 6,7,8 between positioning pipe 2 and the hydraulic piston pipe 4; Hydraulic system is injected into hydraulic oil the hydraulic piston pipe 4 liftings operation that promotes to have hydraulic piston 5 in the oil hydraulic cylinder body cavity 10 by oil inlet and outlet 9; Constitute hydraulic piston end useful area: 21.98 square centimeters, effective volume in the hydraulic piston end chamber: 19.78 liters; Hydraulic piston pipe end useful area: 9.55 square centimeters, effective volume in the hydraulic piston pipe end chamber: 8.59 liters; Carry 2 tons; The oil hydraulic cylinder product that stroke is 9 meters can realize carrying 18 meters of lifting travels.
At fixedly connected oil guide pipe 11 between the lower base of the positioning pipe 2 of oil hydraulic cylinder or between the side cylinder barrel of bottom, positioning pipe tube chamber 10 uses as drop tank.
Make 3 meters of strokes, carry 0.5 ton oil hydraulic cylinder:
1, makes the hydraulic cylinder base of diameter 100mm, thickness 30mm;
Make length 3000mm, diameter 30mm locating column, 7.06 square centimeters of its end areas of a circle;
10mm, external diameter 90mm, internal diameter 70mm oil hydraulic cylinder cylinder barrel behind making length 3000mm, the wall, 38.465 square centimeters of its internal diameter areas of a circle;
6mm, external diameter 62mm, internal diameter 50mm hydraulic piston pipe behind making length 3100mm, the wall, 30.18 square centimeters of its external diameter areas of a circle, 19.625 square centimeters of the internal diameter areas of a circle;
Make with the hydraulic piston pipe inlay cooperate have a seal ring diameter 70mm piston.
2, fixedlying connected locating column 2 vertical parallel with hydraulic cylinder base 1; 3 vertical, parallel, equidistant being enclosed within on the locating column 2 of oil hydraulic cylinder cylinder barrel are fixedlyed connected with hydraulic cylinder base 1; After hydraulic piston 5 is installed on the hydraulic piston pipe 4, be placed between hydraulic cylinder 3 and the locating column 2, between hydraulic cylinder 3 and the hydraulic piston pipe 4, the installation Sealing seals 6,7,8 between locating column 2 and the hydraulic piston pipe 4; Hydraulic system is injected into hydraulic oil the hydraulic piston pipe 4 liftings operation that promotes to have hydraulic piston 5 in the oil hydraulic cylinder body cavity 10 by oil inlet and outlet 9; Constitute hydraulic piston end useful area: 18.84 square centimeters, effective volume in the hydraulic piston end chamber: 5.652 liters; Hydraulic piston pipe end useful area: 8.06 square centimeters, effective volume in the hydraulic piston pipe end chamber: 2.9 liters; Carry 0.5 ton; The oil hydraulic cylinder product that stroke is 3 meters can realize carrying 6 meters of lifting travels.
Claims (2)
1, a kind of oil hydraulic cylinder and preparation method thereof is characterized in that:
1) fixedlying connected positioning pipe or locating column vertical parallel with hydraulic cylinder base; Being enclosed within on positioning pipe or the locating column that the oil hydraulic cylinder cylinder barrel is vertical, parallel, equidistant fixedlyed connected with hydraulic cylinder base; After on the hydraulic piston pipe hydraulic piston being installed, be placed between hydraulic cylinder and positioning pipe or the locating column hydraulic piston pipe and positioning pipe or locating column frictional fit; The Sealing sealing is installed between hydraulic cylinder and the hydraulic piston pipe, between positioning pipe or locating column and the hydraulic piston pipe; Hydraulic system is injected into hydraulic oil the hydraulic piston pipe lifting operation that promotes to have hydraulic piston in the oil hydraulic cylinder body cavity by oil inlet and outlet;
2) can be at fixedly connected oil guide pipe between the lower base of the positioning pipe of oil hydraulic cylinder or between the side cylinder barrel of bottom, the positioning pipe tube chamber can be used as drop tank and uses;
2, the oil hydraulic cylinder product that obtains according to the described method of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100506713A CN101270769A (en) | 2008-04-30 | 2008-04-30 | Hydraulic cylinder and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100506713A CN101270769A (en) | 2008-04-30 | 2008-04-30 | Hydraulic cylinder and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101270769A true CN101270769A (en) | 2008-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100506713A Pending CN101270769A (en) | 2008-04-30 | 2008-04-30 | Hydraulic cylinder and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101270769A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111035307A (en) * | 2019-12-18 | 2020-04-21 | 邦辰环保科技(苏州)有限公司 | Method, device and equipment for controlling flow of hydraulic pump of dust collector |
-
2008
- 2008-04-30 CN CNA2008100506713A patent/CN101270769A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111035307A (en) * | 2019-12-18 | 2020-04-21 | 邦辰环保科技(苏州)有限公司 | Method, device and equipment for controlling flow of hydraulic pump of dust collector |
| CN111035307B (en) * | 2019-12-18 | 2021-07-27 | 邦辰环保科技(苏州)有限公司 | Method, device and equipment for controlling flow of hydraulic pump of dust collector |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080924 |