CN102825539B - For the hydraulic counterweight device of high speed reciprocating member - Google Patents
For the hydraulic counterweight device of high speed reciprocating member Download PDFInfo
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- CN102825539B CN102825539B CN201210360117.1A CN201210360117A CN102825539B CN 102825539 B CN102825539 B CN 102825539B CN 201210360117 A CN201210360117 A CN 201210360117A CN 102825539 B CN102825539 B CN 102825539B
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- reciprocating member
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- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 description 13
- 230000005484 gravity Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses a kind of hydraulic counterweight device for high speed reciprocating member, it comprises the active cylinder and passive cylinder that are fixed on and frame are filled with medium, the piston rod of active cylinder is connected with the reciprocating member driven by power source through connector, and the piston rod of passive cylinder is connected with balancing weight; The first connecting leg is connected with between the rear end cylinder barrel of active cylinder and passive cylinder, the medium of filling in it flows in the rear end cylinder barrel of two working cylinders, be connected with the second connecting leg between the rod end cylinder barrel of active cylinder and passive cylinder, the medium of filling in it flows in the rod end cylinder barrel of two cylinders; The reciprocating motion contrary with active cylinder piston bar direction is done under the driving of balancing weight medium in two cylinder rod end cylinder barrels.The invention has the advantages that the Incoercibility utilizing working media in active cylinder and passive working cylinder cylinder barrel, rigid of transmission power, force " weightlessness " side to be synchronized with the movement, system " unstability " when completely avoid " weightlessness " of counterweight side and work.
Description
Technical field
The present invention relates to the weight-balancing device of plant equipment, especially relate to a kind of hydraulic counterweight device for high speed reciprocating member.
Background technology
At machinery industry, for balancing the weight of vertical (or inclination) high speed reciprocating member, reduce transfer motion power, the counterweight balancing device adopting various version more.But conventional common bascule often adopts chain or steel wire rope to connect, and there will be the phenomenon of counterweight " weightlessness ", cause whole system fluctuation of service when driving part acceleration is greater than acceleration of gravity.
In view of the foregoing, at present, the high-speed motions such as numerical control honing machine, the plant equipment of frequent commutation does not all adopt weight-balancing device, in order to overcome the gravity and movement inertia that promote its vertical movement member, have employed larger drive motors, its reason primarily of following some: 1, higher acceleration (being greater than 1g) and frequent commutation (move both vertically commutation nearly more than 100 beats/min) is needed owing to moving both vertically, therefore require that parts have higher endurance impact strength and longer replacement cycle, common bascule adopts steel wire rope-pulley gear or chain-sprocket device hanging balancing weight, complex structure, huge, be difficult to due to the overall structure limited space of machine adopt, 2, because the acceleration when active movement parts (as main shaft) of numerical control honing machine commutate is often beyond acceleration of gravity 1g, the balancing weight acceleration relying on gravity to decline is acceleration of gravity, balancing weight instantaneous " weightlessness " can be caused when master end hypergravity acceleration rises, when accelerating to synchronous with driving part Deng it by acceleration of gravity, instantaneously again the driving parts such as main shaft to be impacted, when adopting digital control system coded pulse to be every revolution ten thousand to hundred ten thousand, this impact will make control step-out, system unstability.If force counterweight synchronous with driving part, because the restriction of complete machine structure will be very difficult.3, because high velocity vertical motion needs higher acceleration (being greater than 1g) and commutation frequently (moving both vertically commutation nearly more than 100 beats/min), in view of the sensitiveness that steel wire rope or chain impact alternate stress, require that steel wire rope or chain are as balance connector, of short duration service life also obviously can not meet the demands.
Summary of the invention
The object of the invention is to the defect existed for prior art, a kind of hydraulic counterweight device for high speed reciprocating member is provided, this device can reduce transfer motion power, improve acceleration during commutation, avoid counterweight " weightlessness " and system unstability that common bascule causes when driving part acceleration is greater than acceleration of gravity.
For achieving the above object, the present invention can take following technical proposals:
Hydraulic counterweight device for high speed reciprocating member of the present invention, it comprises the active cylinder and passive working cylinder that are fixed on and frame are filled with liquid-working-medium, the piston rod of described active cylinder is connected with the reciprocating member driven by power source through connector, and the piston rod of described passive working cylinder is connected with balancing weight; Be connected with the first connecting leg between described active cylinder and the rear end cylinder barrel of passive working cylinder, the working media of filling in it flows in the rear end cylinder barrel of two working cylinders, described first connecting leg connects overflow pipe, overflow pipe is provided with overflow valve; Be connected with the second connecting leg between described active cylinder and the rod end cylinder barrel of passive working cylinder, the working media of filling in it flows in the rod end cylinder barrel of two cylinders; The reciprocating motion contrary with active cylinder piston rod direction is done under the driving of described balancing weight working media in two working cylinder rod end cylinder barrels.
Described working media is the various liquid such as mineral oil, emulsion or water.
Described frame is respectively arranged with reciprocating member upper limit position sensor, balancing weight upper limit position sensor and balancing weight lower position sensor.
Described second connecting leg is connected with external pressure medium box through by-pass valve control.
Described frame is provided with cooler, and described cooler is connected with the second connecting leg respectively with the first connecting leg.
The invention has the advantages that the Incoercibility utilizing liquid-working-medium in active cylinder and passive working cylinder cylinder barrel, rigid of transmission power, force " counterweight " side to be synchronized with the movement, system " unstability " when completely avoid " weightlessness " of counterweight side and work.Due to the technology that hydraulic drive has been very ripe, the impact of very large power and frequent commutation can be born, compared with traditional enclosed steel wire rope-pulley or sprocket wheel-chain transmission system, easy for installation, long service life, make the transmission device of frequent commutation at a high speed adopt balance weight system to become a reality, greatly reduce driving power, energy conservation and consumption reduction effects is remarkable.This device is used for vertical internal cylindrical honing machine, can make vertical re-ciprocating driving motor power reduction 50%, make whole machine installation power reduction about 32%, unit presses two classes of productions in 1 year, nearly 30,000 yuan of year power cost saving compared with other honing machine of same specification, energy-saving effect is very remarkable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Detailed description of the invention
Hydraulic counterweight device for high speed reciprocating member of the present invention can be realized by two kinds of connected modes: rod end suspension type (embodiment 1) and rod end bearing pressure type (embodiment 2).
Embodiment 1:
As shown in Figure 1, hydraulic counterweight device for high speed reciprocating member of the present invention, it comprises the active cylinder 3 and passive working cylinder 4 that are fixed on and frame 1 are filled with working media 2, the piston rod 5 of active cylinder 3 is connected with the reciprocating member 6 driven by power source through connector, and the piston rod 7 of passive working cylinder 4 is connected with balancing weight 8; The first connecting leg 9 is connected with between the rear end cylinder barrel of active cylinder 3 and passive working cylinder 4, the working media of filling in it flows in the rear end cylinder barrel of two working cylinders, be connected with the second connecting leg 10 between the rod end cylinder barrel of active cylinder 3 and passive working cylinder 4, the working media of filling in it flows in the rod end cylinder barrel of two working cylinders; The reciprocating motion contrary with active cylinder piston rod 5 direction is done under the driving of balancing weight 8 working media in two working cylinder rod end cylinder barrels.
During work, power source drives reciprocating member 6 to drive the piston rod 5 of active cylinder to pump, piston actuated top working media flows in two working cylinder rear end cylinder barrels, bottom working media flows in two cylinder rod end cylinder barrels, the piston of passive working cylinder and active cylinder piston is driven to move round about, the gravity of balancing weight 8 puts on passive working cylinder piston, then balances most of gravity that is vertical or inclination reciprocating member 6 through underpiston medium by the second connecting leg 10.
Active cylinder 3 and the interior working media 2 of filling of passive working cylinder 4 can be the various liquid such as mineral oil, emulsion, water.
Due to hydraulic cylinder operationally, internal and outernal leakage in various degree can be there is, although reciprocating member 6 is not by the impact that working media in working cylinder leaks, but balancing weight 8 is owing to being suspended on the piston rod of passive working cylinder, the leakage of working media can cause balancing weight 8 to depart from original position, when acquiring a certain degree, machine just cannot work, so be respectively arranged with reciprocating member upper limit position sensor 11 in frame 1, balancing weight upper limit position sensor 12 and balancing weight lower position sensor 13, this deviation can be corrected in time, balancing weight 8 is playbacked.When machine assembles, the upper limit position sensor 11 of reciprocating member 6 is installed according to design attitude, simultaneously according to the stroke of reciprocating member 6, corresponding upper limit position sensor 12 and the lower position sensor 13 installing balancing weight 8, when reciprocating member 6 is positioned at upper limit position, whether detection balancing weight 8 makes it depart from desired location because leaking outside in medium in working cylinder and drops to lower position, if so, then needs in working cylinder, to supplement medium lifting balancing weight 8 to upper limit position.
Second connecting leg 10 is connected with external pressure medium box through by-pass valve control 14.When dielectric leakage in working cylinder, when the original position of balancing weight 8 drops to setting value, by-pass valve control 14 is opened, and external pressure medium is added in working cylinder rod end, makes balancing weight 8 increase and sets back, close to desired location late gate, stops supplementing.By-pass valve control 14 can be magnetic valve, hydraulic operated valve, pneumatic operated valve or motor-driven valve.
First connecting leg 9 is connected with overflow pipe, overflow pipe is provided with overflow valve 15; When by-pass valve control 14 open supplement medium to two cylinder rod ends time, overflow valve 15 is opened, and working media unnecessary in two working cylinder rear end cylinder barrels is overflowed and returns medium box; When stopping supplementing medium, this valve cuts out, and overflow valve 15 can be magnetic valve, hydraulic operated valve, pneumatic operated valve or motor-driven valve.
Frame 1 is provided with cooler 16, the cooling line of cooler 16 is connected with the second connecting leg 10 with the first connecting leg 9 respectively.Use when working media needs cooling, two-way medium can share one or each and adopt a cooler.
Embodiment 2:
As shown in Figure 2, hydraulic counterweight device for high speed reciprocating member of the present invention, it comprises the active cylinder 3 and passive working cylinder 4 that are fixed on and frame 1 are filled with working media 2, because reciprocating member 6 and balancing weight 8 are pressed on active cylinder 3 and passive working cylinder 4 respectively, for making the main shaft stress balance of drive reciprocating member 6, and the structure of simplification device, active cylinder 3 is a pair cylinder body that about two inner cavity of cylinder are communicated with respectively, piston rod 5 synchronization action of two cylinder bodies, be connected with the reciprocating member 6 driven by power source by connector, the piston rod 7 of passive working cylinder 4 is connected with balancing weight 8, the first connecting leg 9 is connected with between the rear end cylinder barrel of active cylinder 3 and passive working cylinder 4, the working media of filling in it flows in the rear end cylinder barrel of two active cylinders and a passive working cylinder, be connected with the second connecting leg 10 between the rod end cylinder barrel of active cylinder 3 and passive working cylinder 4, the working media of filling in it flows in the rod end cylinder barrel of two active cylinders and a passive working cylinder, the reciprocating motion contrary with active cylinder piston rod 5 direction is done under the driving of balancing weight 8 working media in rod end cylinder barrel.
Because the counter weight device (the present embodiment) of rod end bearing pressure type is identical with the underslung counter weight device of rod end (above-described embodiment 1) principle, form also substantially identical, so its structure can reference example 1, repeat no more.
In like manner, according to the difference of use occasion, it is multi-form that the present invention can also be combined into identical other of function.
Claims (5)
1. the hydraulic counterweight device for high speed reciprocating member, it is characterized in that: it comprises the active cylinder (3) and passive working cylinder (4) that are fixed on and frame (1) are filled with liquid-working-medium (2), the piston rod (5) of described active cylinder (3) is connected with the reciprocating member (6) driven by power source through connector, and the piston rod (7) of described passive working cylinder (4) is connected with balancing weight (8); The first connecting leg (9) is connected with between the rear end cylinder barrel of described active cylinder (3) and passive working cylinder (4), the working media of filling in it flows in the rear end cylinder barrel of two working cylinders, described first connecting leg (9) is connected with overflow pipe, overflow pipe is provided with overflow valve (15); Be connected with the second connecting leg (10) between the rod end cylinder barrel of described active cylinder (3) and passive working cylinder (4), the working media of filling in it flows in the rod end cylinder barrel of two cylinders; The reciprocating motion contrary with active cylinder piston rod (5) direction is done under the driving of described balancing weight (8) working media in two working cylinder rod end cylinder barrels.
2. the hydraulic counterweight device for high speed reciprocating member according to claim 1, is characterized in that: described working media (2) is mineral oil, emulsion or water.
3. the hydraulic counterweight device for high speed reciprocating member according to claim 1, is characterized in that: in described frame (1), be respectively arranged with reciprocating member upper limit position sensor (11), balancing weight upper limit position sensor (12) and balancing weight lower position sensor (13).
4. the hydraulic counterweight device for high speed reciprocating member according to claim 1, is characterized in that: described second connecting leg (10) is connected with external pressure medium box through by-pass valve control (14).
5. the hydraulic counterweight device for high speed reciprocating member according to claim 1, it is characterized in that: described frame (1) is provided with cooler (16), described cooler (16) is connected with the second connecting leg (10) respectively with the first connecting leg (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360117.1A CN102825539B (en) | 2012-09-25 | 2012-09-25 | For the hydraulic counterweight device of high speed reciprocating member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360117.1A CN102825539B (en) | 2012-09-25 | 2012-09-25 | For the hydraulic counterweight device of high speed reciprocating member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102825539A CN102825539A (en) | 2012-12-19 |
| CN102825539B true CN102825539B (en) | 2016-02-10 |
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| CN201210360117.1A Expired - Fee Related CN102825539B (en) | 2012-09-25 | 2012-09-25 | For the hydraulic counterweight device of high speed reciprocating member |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104132027A (en) * | 2014-07-09 | 2014-11-05 | 盐城工业职业技术学院 | Novel hydraulic transmission device |
| CN113932615A (en) * | 2021-10-18 | 2022-01-14 | 北京科技大学 | Supergravity high-temperature metallurgy device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0143669B1 (en) * | 1995-09-12 | 1998-08-01 | 석진철 | A movable counter weight of a forklift |
| CN1191801A (en) * | 1998-03-13 | 1998-09-02 | 刘显树 | Hydraulic energy accumulator for billet roller |
| CN201573988U (en) * | 2009-12-17 | 2010-09-08 | 南通奥普机械工程有限公司 | Self-balancing hydraulic control mechanism of side-cantilever stacker |
| CN201685101U (en) * | 2010-05-14 | 2010-12-29 | 西安高大机电有限公司 | Novel hydraulic counterweight structure of vertical ram for oil-free pump system |
| CN202804900U (en) * | 2012-09-25 | 2013-03-20 | 郑州大地机械制造有限公司 | Hydraulic balance weight device for high speed reciprocating motion component |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061433C (en) * | 1994-12-03 | 2001-01-31 | 亚历山大·伯杰 | Sun tracker apparatus |
| JPH11349288A (en) * | 1998-06-08 | 1999-12-21 | Oil Drive Kogyo Kk | Method for controlling energy saving-type hydraulic elevator |
-
2012
- 2012-09-25 CN CN201210360117.1A patent/CN102825539B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0143669B1 (en) * | 1995-09-12 | 1998-08-01 | 석진철 | A movable counter weight of a forklift |
| CN1191801A (en) * | 1998-03-13 | 1998-09-02 | 刘显树 | Hydraulic energy accumulator for billet roller |
| CN201573988U (en) * | 2009-12-17 | 2010-09-08 | 南通奥普机械工程有限公司 | Self-balancing hydraulic control mechanism of side-cantilever stacker |
| CN201685101U (en) * | 2010-05-14 | 2010-12-29 | 西安高大机电有限公司 | Novel hydraulic counterweight structure of vertical ram for oil-free pump system |
| CN202804900U (en) * | 2012-09-25 | 2013-03-20 | 郑州大地机械制造有限公司 | Hydraulic balance weight device for high speed reciprocating motion component |
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| CN102825539A (en) | 2012-12-19 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Rongchang Inventor after: Zhang Zhichao Inventor after: Zhang Xiaojie Inventor before: Zhang Rongchang Inventor before: Zhang Xiaojie |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG RONGCHANG ZHANG XIAOJIE TO: ZHANG RONGCHANG ZHANG ZHICHAO ZHANG XIAOJIE |
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Effective date of registration: 20200713 Address after: 528300 Xiyong Industrial Zone, Industrial Avenue, Lunjiao Xiyong village committee, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan District of Shunde City Chun Cheng Woodworking Machinery Co.,Ltd. Address before: 450042, Henan, Zhengzhou Zhongyuan District South Chen Wu Village Industrial Zone Patentee before: ZHENGZHOU DADI MACHINERY MANUFACTURING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20200925 |