CN203453180U - Static-pressure supporting high-frequency vibration servo hydraulic cylinder - Google Patents
Static-pressure supporting high-frequency vibration servo hydraulic cylinder Download PDFInfo
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- CN203453180U CN203453180U CN201320531793.0U CN201320531793U CN203453180U CN 203453180 U CN203453180 U CN 203453180U CN 201320531793 U CN201320531793 U CN 201320531793U CN 203453180 U CN203453180 U CN 203453180U
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- hydraulic cylinder
- piston rod
- cylinder barrel
- pressure supporting
- cylinder
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Abstract
The utility model discloses a static-pressure supporting high-frequency vibration servo hydraulic cylinder. The static-pressure supporting high-frequency vibration servo hydraulic cylinder comprises a cylinder barrel, a piston rod, a front gland and a back gland. The piston rod is placed in the cylinder barrel, a piston section is arranged on the piston rod, bearing sleeves are arranged on orifices in both ends of the cylinder barrel, the front gland and a flange are fixed at one end of the cylinder barrel in a sealing mode, the back gland is fixed at the other end of the cylinder barrel in the sealing mode, a servo valve group is installed on the cylinder barrel and connected to an oil way of the hydraulic cylinder through a plurality of oil ducts formed in the cylinder barrel, and a displacement sensor assembly is installed at the back end of the piston rod. According to the static-pressure supporting high-frequency vibration servo hydraulic cylinder, the servo valve group is directly installed on the hydraulic cylinder, quick response of a system is guaranteed, the hydraulic cylinder can conduct non-loaded total-travel reciprocating motion, and a high-accuracy displacement sensor is arranged inside the piston rod, so that the travel of the piston rod is accurately controlled, and by the cooperation of the servo valve group with the displacement sensor, vibration with high frequency and small amplitude can be achieved.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder, relates in particular to a kind of static pressure supporting high frequency vibration servo hydraulic cylinder.
Background technique
At present, vibration servo hydraulic cylinder has been widely used in various industrial production, existing vibration servo hydraulic cylinder is because of self design deficiency, often exist system response time slow, low and the large shortcoming of amplitude of vibration frequency, and hydraulic vibration high frequency to some client's particular requirement, the requirement of little amplitude is difficult to realize.
Model utility content
The purpose of this utility model is to provide a kind of static pressure supporting high frequency vibration servo hydraulic cylinder, and it has, and vibration frequency is high, amplitude is little and the feature of faster system response, to solve, vibrates the problems referred to above that servo hydraulic cylinder exists in prior art.
For reaching this object, the utility model by the following technical solutions:
A kind of static pressure supporting high frequency vibration servo hydraulic cylinder, it comprises cylinder barrel, piston rod and front, rear pressing cover, described piston rod packs in cylinder barrel, and on described piston rod, be provided with the piston section with inner hole of cylinder sealing, wherein, the place, aperture, two ends of described cylinder barrel is provided with bearing housing, one end sealing of described cylinder barrel is fixed with front gland and flange, the other end sealing is fixed with rear pressing cover, servovalve group is installed on described cylinder barrel, described servovalve group is by being opened in some oil duct access oil hydraulic cylinder oil circuits on cylinder barrel, the rear end of described piston rod is provided with displacement sensor component.
Especially, the surface of described piston section is provided with many damping slots, by described damping slot and inner hole of cylinder, carries out damping seal.
Especially, described displacement sensor component comprises the mounting plate being installed on rear pressing cover, on described mounting plate, high accuracy displacement sensor is installed, and the sensor magnet ring of described high accuracy displacement sensor end is arranged in piston rod.
Especially, on described oil hydraulic cylinder oil circuit, throttle valve is installed, described throttle valve is installed on described bearing housing.
Especially, described forward and backward gland seal ring together with being provided with at least between piston rod.
The beneficial effects of the utility model are, compared with prior art described static pressure supporting high frequency vibration servo hydraulic cylinder is directly installed on oil hydraulic cylinder by servovalve group, the system that guaranteed responds fast, oil hydraulic cylinder can carry out non-loaded total travel to-and-fro motion, and the stroke of the accurate control piston bar of built-in high accuracy displacement sensor, can realize the vibration of high frequency, little amplitude by the cooperation of servovalve group and displacement transducer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the static pressure supporting high frequency vibration servo hydraulic cylinder that provides of the utility model embodiment 1.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the static pressure supporting high frequency vibration servo hydraulic cylinder that provides of the utility model embodiment 1.
In the present embodiment, a kind of static pressure supporting high frequency vibration servo hydraulic cylinder comprises cylinder barrel 1 and piston rod 2, described piston rod 2 packs in cylinder barrel 1 and on it and is provided with piston section 3, the surface of described piston section 3 is provided with many damping slots, endoporus by described damping slot and cylinder barrel 1 carries out damping seal, the place, aperture, two ends of described cylinder barrel 1 is provided with a mounting groove, two bearing housings 4 are bumped in described mounting groove, one end sealing of described cylinder barrel 1 is fixed with front gland 5 and flange 6, the other end sealing is fixed with rear pressing cover 7, on described cylinder barrel 1, servovalve group 8 is installed, described servovalve group 8 is by being opened in some the oil ducts 9 access oil hydraulic cylinder oil circuits on cylinder barrel, on described oil hydraulic cylinder oil circuit, throttle valve 10 is installed, described throttle valve 10 is installed on described bearing housing 4.
The rear end of described rear pressing cover 7 is connected with mounting plate 11, on described mounting plate 11, high accuracy displacement sensor 12 is installed, and the sensor magnet ring 13 of described high accuracy displacement sensor 12 ends is arranged in piston rod 2.
Described front gland 5 and rear pressing cover 7 with between piston rod 2, by seal ring together with at least, seal.
Above embodiment has just set forth basic principle of the present utility model and characteristic; the utility model is not limited by above-mentioned example; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a static pressure supporting high frequency vibrates servo hydraulic cylinder, it comprises cylinder barrel, piston rod and front, rear pressing cover, described piston rod packs in cylinder barrel, and on described piston rod, be provided with the piston section with inner hole of cylinder sealing, it is characterized in that, the place, aperture, two ends of described cylinder barrel is provided with bearing housing, one end sealing of described cylinder barrel is fixed with front gland and flange, the other end sealing is fixed with rear pressing cover, servovalve group is installed on described cylinder barrel, described servovalve group is by being opened in some oil duct access oil hydraulic cylinder oil circuits on cylinder barrel, the rear end of described piston rod is provided with displacement sensor component.
2. static pressure supporting high frequency vibration servo hydraulic cylinder according to claim 1, is characterized in that, the surface of described piston section is provided with many damping slots, by described damping slot and inner hole of cylinder, carries out damping seal.
3. static pressure supporting high frequency according to claim 1 vibrates servo hydraulic cylinder, it is characterized in that, described displacement sensor component comprises the mounting plate being installed on rear pressing cover, on described mounting plate, high accuracy displacement sensor is installed, the sensor magnet ring of described high accuracy displacement sensor end is arranged in piston rod.
4. static pressure supporting high frequency vibration servo hydraulic cylinder according to claim 1, is characterized in that, on described oil hydraulic cylinder oil circuit, throttle valve is installed, described throttle valve is installed on described bearing housing.
5. static pressure supporting high frequency vibration servo hydraulic cylinder according to claim 1, is characterized in that described forward and backward gland seal ring together with being provided with at least between piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531793.0U CN203453180U (en) | 2013-08-28 | 2013-08-28 | Static-pressure supporting high-frequency vibration servo hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531793.0U CN203453180U (en) | 2013-08-28 | 2013-08-28 | Static-pressure supporting high-frequency vibration servo hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453180U true CN203453180U (en) | 2014-02-26 |
Family
ID=50133059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320531793.0U Expired - Lifetime CN203453180U (en) | 2013-08-28 | 2013-08-28 | Static-pressure supporting high-frequency vibration servo hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438048A (en) * | 2013-08-28 | 2013-12-11 | 无锡市长江液压缸厂 | Static pressure supporting high-frequency vibration servo hydraulic cylinder |
-
2013
- 2013-08-28 CN CN201320531793.0U patent/CN203453180U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438048A (en) * | 2013-08-28 | 2013-12-11 | 无锡市长江液压缸厂 | Static pressure supporting high-frequency vibration servo hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Huishan Yanqiao street Changan 214177 West Street in Jiangsu city of Wuxi Province, No. 29 Patentee after: WUXI CHANGJIANG HYDRAULIC CYLINDER Co.,Ltd. Address before: Huishan Yanqiao street Changan 214177 West Street in Jiangsu city of Wuxi Province, No. 29 Patentee before: Wuxi Changjiang Hydraulic Cylinder Factory |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |