CN204664021U - A kind of high speed hydraulic cylinder with pooling feature - Google Patents
A kind of high speed hydraulic cylinder with pooling feature Download PDFInfo
- Publication number
- CN204664021U CN204664021U CN201520344553.9U CN201520344553U CN204664021U CN 204664021 U CN204664021 U CN 204664021U CN 201520344553 U CN201520344553 U CN 201520344553U CN 204664021 U CN204664021 U CN 204664021U
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- hydraulic cylinder
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- damper piston
- buffer cavity
- high speed
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Abstract
The utility model relates to a kind of high speed hydraulic cylinder with pooling feature, comprise hydraulic cylinder, piston rod, active piston, front damper piston, rear damper piston and damping spring, wherein active piston, front damper piston, rear damper piston and damping spring are all positioned at hydraulic cylinder, and hydraulic cylinder is interior and active piston, front damper piston, rear damper piston opposite position separately establishes front buffer cavity respectively, motion chamber and rear buffer cavity, front damper piston is positioned at front buffer cavity, rear damper piston is positioned at rear buffer cavity, active piston is positioned at motion chamber, and be connected with piston-rod end, the front end, motion chamber of hydraulic cylinder and rear end establish filler opening and return opening respectively.Basis is novel effectively can brake close to when hydraulic cylinder front end and rear end and cushion hydraulic cylinder piston, thus effectively avoid that conventional high rate oil hydraulic cylinder easily occurs cause clashing into cylinder body damaging phenomenon because piston runs too fast, improve working life and the operation stability of high speed hydraulic cylinder.
Description
Technical field
The utility model relates to a kind of high speed hydraulic cylinder with pooling feature, belongs to oil hydraulic cylinder equipment technical field.
Background technique
Along with the develop rapidly of China's equipment manufacture, large-scale engineering mechanical device obtains development at a high speed and popularization, and these equipment often need to provide reliable and stable Power output by hydraulic system for it, therefore higher requirement is all proposed to the ride quality of hydraulic system and quality, and at present in order to meet the needs of these equipment use, the movement velocity of current oil hydraulic cylinder is more and more faster, although effectively can improve the operational efficiency of engineering equipment by increasing hydraulic cylinder speed, when simultaneously, because current oil hydraulic cylinder device structure is still often install traditional oil hydraulic cylinder to carry out design production, therefore after hydraulic cylinder speed increases, because its piston body speed is accelerated, thus impact force when causing it to move increases, therefore often occur colliding between piston body and hydraulic cylinder, arranging time serious causes oil hydraulic cylinder to damage, therefore the less stable of current oil hydraulic cylinder when carrying out high speed operation is caused, working life is shorter, effectively cannot meet the actual needs used, therefore for this present situation, in the urgent need to developing a kind of novel hydraulic cylinder structure possessing buffer capacity, to meet the needs that automation kitchen range use.
Model utility content
For the deficiency that prior art exists, the utility model provides a kind of high speed hydraulic cylinder with pooling feature, this new structure is simple, resistance to compression bearing capacity is strong, easy to use, hydraulic cylinder piston high speed operation effectively can be braked at it close to when hydraulic cylinder front end and rear end and is cushioned, avoid causing because piston movement is too fast between piston and hydraulic cylinder and collide, thus effectively avoid that conventional high rate oil hydraulic cylinder easily occurs cause clashing into cylinder body damaging phenomenon because piston runs too fast, greatly improve working life and the operation stability of high speed hydraulic cylinder.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of high speed hydraulic cylinder with pooling feature, comprise hydraulic cylinder, piston rod, active piston, front damper piston, rear damper piston and damping spring, wherein active piston, front damper piston, rear damper piston and damping spring are all positioned at hydraulic cylinder, and coaxially distribute with hydraulic cylinder, and hydraulic cylinder is interior and active piston, front damper piston, rear damper piston opposite position separately establishes front buffer cavity respectively, motion chamber and rear buffer cavity, and front buffer cavity and rear buffer cavity symmetrical with the chamber center line that moves, front damper piston is positioned at front buffer cavity, and be connected with hydraulic cylinder front inner surface by damping spring, front damper piston is loop configuration, its front surface separately establishes elastic buffer bed course, rear damper piston is positioned at rear buffer cavity, and be connected with hydraulic cylinder rear end internal surface by damping spring, rear damper piston is round table-like structure, its front surface establishes elastic buffer bed course, active piston is positioned at motion chamber, and be connected with piston-rod end, piston rod to be separately coated in front damper piston and to be slidably connected with front damper piston, its front end is positioned at outside hydraulic cylinder, the front end, motion chamber of hydraulic cylinder and rear end establish filler opening and return opening respectively, front buffer cavity and rear buffer cavity separately establish auxiliary hydraulic fluid port, filler opening, return opening and auxiliary hydraulic fluid port all establish control valve.
Further, described active piston and front damper piston and rear damper piston surface of contact all establish elastic buffer bed course.
Further, described front buffer cavity, rear buffer cavity effective travel are identical, and are all no more than 1/3 of motion chamber effective travel.
Further, described filler opening and front buffer cavity and auxiliary hydraulic fluid port interlocked control, return opening and rear buffer cavity and the chain control of auxiliary hydraulic fluid port.
This new structure is simple, resistance to compression bearing capacity is strong, easy to use, hydraulic cylinder piston high speed operation effectively can be braked at it close to when hydraulic cylinder front end and rear end and is cushioned, avoid causing because piston movement is too fast between piston and hydraulic cylinder and collide, thus effectively avoid that conventional high rate oil hydraulic cylinder easily occurs cause clashing into cylinder body damaging phenomenon because piston runs too fast, greatly improve working life and the operation stability of high speed hydraulic cylinder.
Accompanying drawing explanation
Fig. 1 is this new structure schematic diagram.
Embodiment
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
A kind of high speed hydraulic cylinder with pooling feature as described in Figure 1, comprise hydraulic cylinder 1, piston rod 2, active piston 3, front damper piston 4, rear damper piston 5 and damping spring 6, wherein active piston 3, front damper piston 4, rear damper piston 5 and damping spring 6 are all positioned at hydraulic cylinder 1, and coaxially distribute with hydraulic cylinder 1, and hydraulic cylinder 1 is interior and active piston 3, front damper piston 4, rear damper piston 5 opposite position separately establishes front buffer cavity 7 respectively, motion chamber 8 and rear buffer cavity 9, and front buffer cavity 7 is symmetrical with chamber 8 center line that moves with rear buffer cavity 9, front damper piston 4 is positioned at front buffer cavity 7, and be connected with hydraulic cylinder 1 front inner surface by damping spring 6.
In the present embodiment, front damper piston 4 is loop configuration, and its front surface separately establishes elastic buffer bed course 10, increases buffer function.Rear damper piston 5 is positioned at rear buffer cavity 9, and be connected with hydraulic cylinder 1 rear end internal surface by damping spring 6, rear damper piston 5 is round table-like structure, and its front surface establishes elastic buffer bed course 10, active piston 3 is positioned at motion chamber 8, and is connected with piston rod 2 end.Piston rod 2 to be separately coated in front damper piston 4 and to be slidably connected with front damper piston 4, its front end is positioned at outside hydraulic cylinder 1, the front end, motion chamber 8 of hydraulic cylinder 1 and rear end establish filler opening 11 and return opening 12 respectively, front buffer cavity 7 separately establishes auxiliary hydraulic fluid port 13 with rear buffer cavity 9, and filler opening 11, return opening 12 and auxiliary hydraulic fluid port 13 all establish control valve 14.
In the present embodiment, for avoiding other to collide, elastic buffer bed course 10 all established by active piston 3 and front damper piston 4 and rear damper piston 5 surface of contact; , described front buffer cavity 7, rear buffer cavity 9 effective travel are identical, and are all no more than 1/3 of motion chamber 8 effective travel.
In addition filler opening 11 and front buffer cavity 7 assist hydraulic fluid port 13 interlocked control, and return opening 12 and rear buffer cavity 9 assist the chain control of hydraulic fluid port 13, improve working life and the operation stability of high speed hydraulic cylinder.
During this novel use, its resistance to compression bearing capacity is strong, easy to use, hydraulic cylinder piston high speed operation effectively can be braked at it close to when hydraulic cylinder front end and rear end and is cushioned, avoid causing because piston movement is too fast between piston and hydraulic cylinder and collide, thus effectively avoid that conventional high rate oil hydraulic cylinder easily occurs cause clashing into cylinder body damaging phenomenon because piston runs too fast, greatly improve working life and the operation stability of high speed hydraulic cylinder.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements 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. one kind has the high speed hydraulic cylinder of pooling feature, it is characterized in that: the described high speed hydraulic cylinder with pooling feature comprises hydraulic cylinder (1), piston rod (2), active piston (3), front damper piston (4), rear damper piston (5) and damping spring (6), described active piston (3), front damper piston (4), rear damper piston (5) and damping spring (6) are all positioned at hydraulic cylinder (1), and coaxially distribute with hydraulic cylinder (1), and described hydraulic cylinder (1) is interior and active piston (3), front damper piston (4), rear damper piston (5) opposite position separately establishes front buffer cavity (7) respectively, motion chamber (8) and rear buffer cavity (9), and front buffer cavity (7) is symmetrical with chamber of moving (8) center line with rear buffer cavity (9), described front damper piston (4) is positioned at front buffer cavity (7), and be connected with hydraulic cylinder (1) front inner surface by damping spring (6), described front damper piston (4) is loop configuration, its front surface is separately established elastic buffer bed course (10), described rear damper piston (5) is positioned at rear buffer cavity (9), and be connected with hydraulic cylinder (1) rear end internal surface by damping spring (6), described rear damper piston (5) is round table-like structure, its front surface establishes elastic buffer bed course (10), described active piston (3) is positioned at motion chamber (8), and be connected with piston rod (2) end, described piston rod (2) to be separately coated in front damper piston (4) and to be slidably connected with front damper piston (4), its front end is positioned at hydraulic cylinder (1) outside, (8) front end, motion chamber of described hydraulic cylinder (1) and rear end establish filler opening (11) and return opening (12) respectively, described front buffer cavity (7) and rear buffer cavity (9) separately establish auxiliary hydraulic fluid port (13).
2. a kind of high speed hydraulic cylinder with pooling feature according to claim 1, it is characterized in that, elastic buffer bed course (10) all established by described active piston (3) and front damper piston (4) and rear damper piston (5) surface of contact.
3. a kind of high speed hydraulic cylinder with pooling feature according to claim 1, it is characterized in that, described front buffer cavity (7), rear buffer cavity (9) effective travel are identical, and are all no more than 1/3 of motion chamber (8) effective travel.
4. a kind of high speed hydraulic cylinder with pooling feature according to claim 1, it is characterized in that, described filler opening (11) and front buffer cavity (7) and auxiliary hydraulic fluid port (13) interlocked control, described return opening (12) and rear buffer cavity (9) and auxiliary hydraulic fluid port (13) chain control.
5. a kind of high speed hydraulic cylinder with pooling feature according to claim 1, is characterized in that, described filler opening (11), return opening (12) and auxiliary hydraulic fluid port (13) all establish control valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344553.9U CN204664021U (en) | 2015-05-25 | 2015-05-25 | A kind of high speed hydraulic cylinder with pooling feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344553.9U CN204664021U (en) | 2015-05-25 | 2015-05-25 | A kind of high speed hydraulic cylinder with pooling feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204664021U true CN204664021U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344553.9U Expired - Fee Related CN204664021U (en) | 2015-05-25 | 2015-05-25 | A kind of high speed hydraulic cylinder with pooling feature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204664021U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051258A (en) * | 2016-06-24 | 2016-10-26 | 无锡海升高压泵有限公司 | Shock absorption valve of high-pressure pump |
| CN107060532A (en) * | 2017-03-13 | 2017-08-18 | 广东美的厨房电器制造有限公司 | cooking appliance and its door lock assembly |
| CN108757630A (en) * | 2018-06-19 | 2018-11-06 | 中航飞机起落架有限责任公司 | A kind of quick-release pressurized strut |
| CN111911479A (en) * | 2020-07-29 | 2020-11-10 | 北京机械设备研究所 | Buffering hydraulic cylinder |
| CN112460102A (en) * | 2020-12-18 | 2021-03-09 | 徐州徐工液压件有限公司 | Novel positioning and buffering structure's master cylinder |
| CN112555228A (en) * | 2020-12-09 | 2021-03-26 | 山东科技大学 | Impact-resistant balance oil cylinder with pressure relief and buffer protection |
| CN112648161A (en) * | 2020-12-24 | 2021-04-13 | 煤炭科学技术研究院有限公司 | Pressure relief device of water injector and hydraulic fracturing coal rock stratum device with same |
| CN113027857A (en) * | 2021-03-27 | 2021-06-25 | 刘斌霞 | Inclined hydraulic oil cylinder with safety valve |
| CN114934890A (en) * | 2022-06-17 | 2022-08-23 | 西安交通大学 | Hydraulic drive compressor |
| WO2023193822A1 (en) * | 2022-04-29 | 2023-10-12 | 中国科学院广州能源研究所 | Multi-stage buffer hydraulic cylinder for wave energy power generation device, and control method |
-
2015
- 2015-05-25 CN CN201520344553.9U patent/CN204664021U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051258A (en) * | 2016-06-24 | 2016-10-26 | 无锡海升高压泵有限公司 | Shock absorption valve of high-pressure pump |
| CN107060532A (en) * | 2017-03-13 | 2017-08-18 | 广东美的厨房电器制造有限公司 | cooking appliance and its door lock assembly |
| CN108757630A (en) * | 2018-06-19 | 2018-11-06 | 中航飞机起落架有限责任公司 | A kind of quick-release pressurized strut |
| CN111911479A (en) * | 2020-07-29 | 2020-11-10 | 北京机械设备研究所 | Buffering hydraulic cylinder |
| WO2022016949A1 (en) * | 2020-12-09 | 2022-01-27 | 山东科技大学 | Impact-resistant balance oil cylinder having functions of pressure relief and buffer protection |
| CN112555228A (en) * | 2020-12-09 | 2021-03-26 | 山东科技大学 | Impact-resistant balance oil cylinder with pressure relief and buffer protection |
| CN112555228B (en) * | 2020-12-09 | 2021-11-05 | 山东科技大学 | Impact-resistant balance oil cylinder with pressure relief and buffer protection |
| US20220412380A1 (en) * | 2020-12-09 | 2022-12-29 | Shandong University Of Science And Technology | Impact-resistant balanced hydro-cylinder with pressure relief and buffering protection |
| US11913479B2 (en) * | 2020-12-09 | 2024-02-27 | Shandong University Of Science And Technology | Impact-resistant balanced hydro-cylinder with pressure relief and buffering protection |
| CN112460102A (en) * | 2020-12-18 | 2021-03-09 | 徐州徐工液压件有限公司 | Novel positioning and buffering structure's master cylinder |
| CN112648161A (en) * | 2020-12-24 | 2021-04-13 | 煤炭科学技术研究院有限公司 | Pressure relief device of water injector and hydraulic fracturing coal rock stratum device with same |
| CN113027857A (en) * | 2021-03-27 | 2021-06-25 | 刘斌霞 | Inclined hydraulic oil cylinder with safety valve |
| WO2023193822A1 (en) * | 2022-04-29 | 2023-10-12 | 中国科学院广州能源研究所 | Multi-stage buffer hydraulic cylinder for wave energy power generation device, and control method |
| CN114934890A (en) * | 2022-06-17 | 2022-08-23 | 西安交通大学 | Hydraulic drive compressor |
| CN114934890B (en) * | 2022-06-17 | 2023-09-01 | 西安交通大学 | Hydraulic drive compressor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160525 |