CN103527554A - Friction-free constant-force-output air-floating device with volume compensation function - Google Patents
Friction-free constant-force-output air-floating device with volume compensation function Download PDFInfo
- Publication number
- CN103527554A CN103527554A CN201310492777.XA CN201310492777A CN103527554A CN 103527554 A CN103527554 A CN 103527554A CN 201310492777 A CN201310492777 A CN 201310492777A CN 103527554 A CN103527554 A CN 103527554A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- air
- radially
- cylinder barrel
- throttle orifice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 230000007774 longterm Effects 0.000 claims description 24
- 238000002955 isolation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Abstract
The invention provides a friction-free constant-force-output air-floating device with the volume compensation function. The air-floating device comprises an output air cylinder, a compensating air cylinder and an air storage tank, wherein the output air cylinder comprises a cylinder barrel and a long piston, the compensating air cylinder comprises a connecting bar piston rod and a compensating barrel, the cylinder barrel and the compensating barrel are arranged in the air storage tank in a sleeved mode respectively, an air storage cavity is formed among the air storage tank, the cylinder barrel and the compensating barrel and divided into an upper air storage cavity and a lower air storage cavity which are independent of each other, and an inner cavity of the cylinder barrel and an inner cavity of the compensating barrel are communicated with the lower air storage cavity; the long piston is arranged in the cylinder barrel in a sleeved mode, an extremely small gap exits between the long piston and the cylinder barrel, and the connecting bar piston is arranged in the compensating barrel in a sleeved mode. The friction-free constant-force-output air-floating device with the volume compensation function further comprises a ball screw, a motor, a laser displacement sensor and a reflecting plate, the compensating air cylinder and the air storage tank are additionally arranged, and due to the volume compensation and air pressure control, accurate and high-speed constant force output can be achieved.
Description
Technical field
The present invention relates to constant force output unit.
Background technique
According to its different applied environments and application requirements, constant force output has various structures and implementation method.Dynamically constant force output refers to a constant power value is carried in the target workpiece of dynamic motion.
By counterweight and target workpiece, hanging is the simplest and conventional method that applies constant force, because counterbalance mass is constant, so the force retaining acting in target workpiece is constant, but when target workpiece is done acceleration or deceleration motion, counterweight can produce because of the impact of self inertia power one and act on the additional force in target workpiece, and the larger impact of counterbalance mass is larger, therefore this method is only applicable to the occasion of target workpiece low speed or uniform motion.Torque motor, hydraulic cylinder etc. are also often applied to constant force output field.As " hydraulic pressure installation of constant force output " that number of patent application is 201120495617.7 just announced a kind of hydraulic pressure installation of exporting accurate power value by PLC controller, electromagnetic proportional valve, pressure transducer, but in this device, pressure transducer is arranged on the output terminal of hydraulic pressure installation, pressure transducer is kept in motion, and therefore can affect the validity of measured value.Air supporting is used widely in realizing ultraprecise constant force output control, minute-pressure action control without friction cylinder; Between piston and cylinder barrel, by gas lubrication, do not have frictional force, the power therefore acting on piston is relevant with the air pressure size in cylinder barrel with the cross-section area of piston; Number of patent application be 201110072339.9 " with air-bearing without friction cylinder " announced a kind of air supporting without friction cylinder, owing to connecting admission line on its piston rod, can to output power value exert an influence; Moreover the speed of response of gas is slow, the Volume Changes that the motion of cylinder barrel inner carrier produces can cause air pressure transition, causes the fluctuation of output constant force, therefore, air supporting is generally used for realizing action output without friction cylinder, and constant voltage control ratio is more difficult, is difficult to guarantee the constant of ouput force value.
Summary of the invention
For ouput force value in existing constant force output unit be difficult to keep constant, sensor measurement not precisely, the problem such as constant force output accuracy is not high, the invention provides a kind of with volume compensation, ouput force value accurately, good stability without friction constant force output air-floating apparatus.
The technical solution adopted for the present invention to solve the technical problems is:
Volume compensation without a friction constant force output air-floating apparatus, comprise output cylinder, compensation cylinder, gas holder.Described output cylinder comprises cylinder barrel, long-term job plug, and described compensation cylinder comprises connecting rod piston, compensating cylinder.
Described cylinder barrel and compensating cylinder are set in gas holder, between described gas holder and cylinder barrel, compensating cylinder, form air storing cavity, and described air storing cavity is divided into separate upper air storing cavity and lower air storing cavity, and the inner chamber of described cylinder barrel, the inner chamber of compensating cylinder are communicated with lower air storing cavity; Described long-term job plug sleeve be contained in cylinder barrel and and cylinder barrel between there is minimum gap, described connecting rod piston is sleeved in compensating cylinder; Describedly a kind ofly with volume compensation, without friction constant force output air-floating apparatus, also comprise ball screw, motor, laser displacement sensor, reflector; Described ball screw is arranged on outside gas holder, described connecting rod piston is connected with ball screw by connecting base, described motor connects ball screw, and described reflector is arranged on long-term job beyond the Great Wall, and it is outer and relative with reflector position that described laser displacement sensor is fixed on gas holder.
Described gas holder is provided with the first inlet hole and the second inlet hole, and described the first inlet hole communicates with the first air storing cavity, and described the second inlet hole communicates with the second air storing cavity.Described the first inlet hole is connected with Proportional valve by tracheae respectively with the second inlet hole.
Described long-term job plug center has air inlet through hole and unloads vent hole, described air inlet through hole and unload between vent hole and isolate by sealing plug, and described air inlet through hole communicates with lower air storing cavity.
Described long-term job first throttle orifice radially that is uniformly distributed along the circumference beyond the Great Wall, described first radially throttle orifice communicate with air inlet through hole, described first radially throttle orifice in axial direction have two groups at least; Second throttle orifice radially that is uniformly distributed along the circumference on described cylinder barrel, described second radially throttle orifice communicate with upper air storing cavity.Described first radially throttle orifice, second radially in throttle orifice, orifice plug is all installed.
Described long-term job is provided with the first pressure relief groove beyond the Great Wall, and described the first pressure relief groove comprises the radial blind holes that long-term job is uniformly distributed along the circumference in the first groove on cylndrical surface, the first groove and the first axial bore communicating with radial blind holes beyond the Great Wall; Described first axial bore one end communicates with unloading vent hole by the second groove unloading in vent hole, and the other end of described the first axial bore seals by sprue; Described the first groove has two groups and be positioned at first both sides of throttle orifice radially at least; Radially isolation mutually between throttle orifice of described the first pressure relief groove and first.
Described cylinder barrel is provided with the second pressure relief groove, described the second pressure relief groove comprise the 3rd groove on cylinder barrel inner cylindrical surface, with the second axial bore that the 3rd groove communicates, the described second axial bore the other end communicates with the atmosphere outside gas holder; Described the 3rd groove is positioned at second below of throttle orifice radially, radially isolation mutually between throttle orifice of described the second pressure relief groove and second.
Mentality of designing of the present invention is: because piston cross-section area is certain, thus constant as long as assurance enters into the gas pressure of inner cavity of cylinder, can guarantee that the power value of output is constant.But piston moves and causes that cavity volume changes, and gas compensation exists certain hysteresis quality, thereby causes air pressure transition, causes Output force wave.Therefore, the present invention has increased compensation cylinder and gas holder, between gas holder and cylinder barrel, compensating cylinder, form the first air storing cavity and the second air storing cavity, the air-inlet cavity of the air-inlet cavity of output cylinder and compensation cylinder is communicated with by the second air storing cavity, by laser displacement sensor, measure the displacement of long-term job plug in output cylinder, then by ball screw control and compensation cylinder inside connecting rod piston, move corresponding displacement, guarantee that the second air storing cavity internal volume remains unchanged, and has avoided the pressure surge causing because of long piston movement.By the gentle pressure-controlled of volume compensation, can realize accurate, the output of constant force at a high speed.
The first air storing cavity is radially throttle orifice air feed of second on cylinder barrel, guarantees that cylinder barrel and long piston space form stable air film; Long-term job plug is a cylindrical body, and the one end being positioned at outside cylinder barrel is output terminal, be positioned at and on one end of cylinder barrel, have the first throttle orifice radially, the gas in cylinder barrel air-inlet cavity by first radially throttle orifice between piston and cylinder barrel, form air film; Two place's air films are that piston provides support and lubricates, and structure and plenum system are simple, bearing capacity good.
Gas holder is provided with two inlet holes and carries out independent air feed, and passing ratio valve is controlled air pressure, and two air storing cavities are not influenced each other, and has improved precision and the stability of constant force output.
Radially near throttle orifice, be equipped with pressure relief groove, pressure relief groove communicates with extraneous normal pressure, prevents that cylinder barrel inner high voltage gas from entering air supporting gap air film is exerted an influence on the one hand, plays seal action, forms on the other hand atmospheric area in gap, promotes the formation of air film.
Advantage of the present invention shows: simple in structure, precision is high, good stability.
Accompanying drawing explanation
Fig. 1 be a kind of with volume compensation without friction constant force output air-floating apparatus schematic diagram
Fig. 2 is long-term job plug schematic diagram
Fig. 3 is cylinder barrel schematic diagram
Embodiment
In conjunction with Fig. 1～Fig. 3, a kind of with volume compensation without friction constant force output air-floating apparatus, comprise output cylinder, compensation cylinder, gas holder 8.Described output cylinder comprises cylinder barrel 4, long-term job plug 2, and compensation cylinder comprises connecting rod piston 18, compensating cylinder 17.
Cylinder barrel 4 and compensating cylinder 17 are set in gas holder 8, and gas holder 8 and cylinder barrel 4,17 of compensating cylinders form air storing cavity, and air storing cavity is divided into separate upper air storing cavity 7 and lower air storing cavity 9, and the inner chamber of the inner chamber of cylinder barrel 4, compensating cylinder 17 is communicated with lower air storing cavity 9; Long-term job plug 2 be sleeved in cylinder barrel 4 and and cylinder barrel between there is minimum gap, connecting rod piston 18 is sleeved in compensating cylinder 17; A kind ofly with volume compensation, without friction constant force output air-floating apparatus, also comprise ball screw 20, motor 21, laser displacement sensor 15, reflector 16; Ball screw 20 is arranged on outside gas holder 8, connecting rod piston 18 is connected with ball screw 20 by connecting base 19, motor 21 connects ball screw 20, and reflector 16 is arranged on long-term job plug 2, and it is outer and relative with reflector 16 positions that laser displacement sensor 15 is fixed on gas holder 8.
Gas holder 8 is provided with the first inlet hole 5 and the second inlet hole 10, the first inlet holes 5 communicate with the first air storing cavity 7, and the second inlet hole 10 communicates with the second air storing cavity 9.The first inlet hole 5 is connected with Proportional valve 6 by tracheae respectively with the second inlet hole 10.
Long-term job plug 2 centers have air inlet through hole 24 and unload vent hole 3, air inlet through hole 24 and unload 3 of vent holes and isolate by sealing plug 12, and air inlet through hole 24 communicates with lower air storing cavity 9.
On long-term job plug 2, be uniformly distributed along the circumference first radially throttle orifice 11, the first radially throttle orifice 11 communicate with air inlet through hole 24, first radially throttle orifice 11 in axial direction have two groups; On cylinder barrel 4, be uniformly distributed along the circumference second radially throttle orifice 14, the second radially throttle orifice 14 communicate with upper air storing cavity 7.The first throttle orifice 11, second interior orifice plug that is all provided with of throttle orifice 14 radially radially.
Long-term job plug 2 is provided with the first pressure relief groove, and the first pressure relief groove comprises the radial blind holes 25 being uniformly distributed along the circumference in the first groove 23 on long-term job plug 2 external cylindrical surfaces, the first groove 23 and the first axial bore 26 communicating with radial blind holes 25; First axial bore 26 one end communicate with unloading vent hole 3 by the second groove 13 unloading in vent hole 3, and the other end of the first axial bore 26 seals by sprue 22; The first groove 23 has two groups and be positioned at first both sides of throttle orifice 11 radially at least; Radially isolation mutually between throttle orifice 11 of the first pressure relief groove and first.
Cylinder barrel 4 is provided with the second pressure relief groove, and the second pressure relief groove comprises the 3rd groove 27 on cylinder barrel 4 inner cylindrical surfaces, second axial bore 28, the second axial bore 28 the other ends that communicate with the 3rd groove 27 communicate with the atmosphere outside gas holder 8; The 3rd groove 27 is positioned at second below of throttle orifice 14 radially, radially isolation mutually between throttle orifice 14 of the second pressure relief groove and second.
Claims (1)
- With volume compensation without a friction constant force output air-floating apparatus, it is characterized in that: comprise output cylinder, compensation cylinder, gas holder; Described output cylinder comprises cylinder barrel, long-term job plug; Described compensation cylinder comprises connecting rod piston, compensating cylinder;Described cylinder barrel and compensating cylinder are set in gas holder, between described gas holder and cylinder barrel, compensating cylinder, form air storing cavity, and described air storing cavity is divided into separate upper air storing cavity and lower air storing cavity, and the inner chamber of described cylinder barrel, the inner chamber of compensating cylinder are communicated with lower air storing cavity; Described long-term job plug sleeve be contained in cylinder barrel and and cylinder barrel between there is minimum gap, described connecting rod piston is sleeved in compensating cylinder; Describedly a kind ofly with volume compensation, without friction constant force output air-floating apparatus, also comprise ball screw, motor, laser displacement sensor, reflector; Described ball screw is arranged on outside gas holder, described connecting rod piston is connected with ball screw by connecting base, described motor connects ball screw, and described reflector is arranged on long-term job beyond the Great Wall, and it is outer and relative with reflector position that described laser displacement sensor is fixed on gas holder;Described gas holder is provided with the first inlet hole and the second inlet hole, and described the first inlet hole communicates with the first air storing cavity, and described the second inlet hole communicates with the second air storing cavity; Described the first inlet hole is connected with Proportional valve by tracheae respectively with the second inlet hole;Described long-term job plug center has air inlet through hole and unloads vent hole, described air inlet through hole and unload between vent hole and isolate by sealing plug, and described air inlet through hole communicates with lower air storing cavity;Described long-term job first throttle orifice radially that is uniformly distributed along the circumference beyond the Great Wall, described first radially throttle orifice communicate with air inlet through hole, described first radially throttle orifice in axial direction have two groups at least; Second throttle orifice radially that is uniformly distributed along the circumference on described cylinder barrel, described second radially throttle orifice communicate with upper air storing cavity.Described first radially throttle orifice, second radially in throttle orifice, orifice plug is all installed;Described long-term job is provided with the first pressure relief groove beyond the Great Wall, and described the first pressure relief groove comprises the radial blind holes that long-term job is uniformly distributed along the circumference in the first groove on cylndrical surface, the first groove and the first axial bore communicating with radial blind holes beyond the Great Wall; Described first axial bore one end communicates with unloading vent hole by the second groove unloading in vent hole, and the other end of described the first axial bore seals by sprue; Described the first groove has two groups and be positioned at first both sides of throttle orifice radially at least; Radially isolation mutually between throttle orifice of described the first pressure relief groove and first;Described cylinder barrel is provided with the second pressure relief groove, described the second pressure relief groove comprise the 3rd groove on cylinder barrel inner cylindrical surface, with the second axial bore that the 3rd groove communicates, the described second axial bore the other end communicates with the atmosphere outside gas holder; Described the 3rd groove is positioned at second below of throttle orifice radially, radially isolation mutually between throttle orifice of described the second pressure relief groove and second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492777.XA CN103527554B (en) | 2013-10-18 | 2013-10-18 | A kind of nothing friction constant force with volume compensation exports air-floating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492777.XA CN103527554B (en) | 2013-10-18 | 2013-10-18 | A kind of nothing friction constant force with volume compensation exports air-floating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527554A true CN103527554A (en) | 2014-01-22 |
| CN103527554B CN103527554B (en) | 2015-12-23 |
Family
ID=49929814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310492777.XA Active CN103527554B (en) | 2013-10-18 | 2013-10-18 | A kind of nothing friction constant force with volume compensation exports air-floating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103527554B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638623A (en) * | 2017-02-20 | 2017-05-10 | 长江勘测规划设计研究有限责任公司 | Load compensation support device and load compensation support method |
| CN107009389A (en) * | 2017-04-06 | 2017-08-04 | 沈阳埃克斯邦科技有限公司 | Integrated active constant-force compensation device |
| CN109807931A (en) * | 2017-11-21 | 2019-05-28 | 沈阳新松机器人自动化股份有限公司 | A kind of mechanical compensation type constant force executing agency |
| CN110056766A (en) * | 2019-04-19 | 2019-07-26 | 南京涵铭置智能科技有限公司 | A kind of gas storage element stable-pressure device and its method for stabilizing voltage |
| CN110529457A (en) * | 2019-09-26 | 2019-12-03 | 北京中航泰达环保科技股份有限公司 | A kind of Novel constant force air cylinder support |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0166223B1 (en) * | 1995-03-29 | 1998-12-01 | 서상기 | Pneumatic cylinder |
| CN101122547A (en) * | 2007-09-21 | 2008-02-13 | 浙江工业大学 | Follow-up type air-floating magneto-motive friction-free suspension device |
| US20100192878A1 (en) * | 2008-09-25 | 2010-08-05 | Rez Mustafa | Air hybrid engine with dual chamber cylinder |
| CN101813130A (en) * | 2010-05-07 | 2010-08-25 | 浙江工业大学 | Air flotation device following motion trail of lifting point at overlength distance without being influenced by disturbing force of air tube |
| CN202344889U (en) * | 2011-12-02 | 2012-07-25 | 威海华东重工有限公司 | Constant-force output hydraulic device |
| CN103016443A (en) * | 2012-12-31 | 2013-04-03 | 浙江工业大学 | Air suspension friction-free air cylinder provided with pressure relief groove |
| CN203627390U (en) * | 2013-10-18 | 2014-06-04 | 浙江工业大学 | Friction-free constant force output air floatation device with volume compensation |
-
2013
- 2013-10-18 CN CN201310492777.XA patent/CN103527554B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0166223B1 (en) * | 1995-03-29 | 1998-12-01 | 서상기 | Pneumatic cylinder |
| CN101122547A (en) * | 2007-09-21 | 2008-02-13 | 浙江工业大学 | Follow-up type air-floating magneto-motive friction-free suspension device |
| US20100192878A1 (en) * | 2008-09-25 | 2010-08-05 | Rez Mustafa | Air hybrid engine with dual chamber cylinder |
| CN101813130A (en) * | 2010-05-07 | 2010-08-25 | 浙江工业大学 | Air flotation device following motion trail of lifting point at overlength distance without being influenced by disturbing force of air tube |
| CN202344889U (en) * | 2011-12-02 | 2012-07-25 | 威海华东重工有限公司 | Constant-force output hydraulic device |
| CN103016443A (en) * | 2012-12-31 | 2013-04-03 | 浙江工业大学 | Air suspension friction-free air cylinder provided with pressure relief groove |
| CN203627390U (en) * | 2013-10-18 | 2014-06-04 | 浙江工业大学 | Friction-free constant force output air floatation device with volume compensation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638623A (en) * | 2017-02-20 | 2017-05-10 | 长江勘测规划设计研究有限责任公司 | Load compensation support device and load compensation support method |
| CN107009389A (en) * | 2017-04-06 | 2017-08-04 | 沈阳埃克斯邦科技有限公司 | Integrated active constant-force compensation device |
| CN109807931A (en) * | 2017-11-21 | 2019-05-28 | 沈阳新松机器人自动化股份有限公司 | A kind of mechanical compensation type constant force executing agency |
| CN110056766A (en) * | 2019-04-19 | 2019-07-26 | 南京涵铭置智能科技有限公司 | A kind of gas storage element stable-pressure device and its method for stabilizing voltage |
| CN110529457A (en) * | 2019-09-26 | 2019-12-03 | 北京中航泰达环保科技股份有限公司 | A kind of Novel constant force air cylinder support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103527554B (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203627406U (en) | Zero-friction constant force output air floatation device | |
| CN103527554B (en) | A kind of nothing friction constant force with volume compensation exports air-floating apparatus | |
| CN103527561B (en) | A kind of without friction constant force output air-floating apparatus | |
| CN103511391B (en) | A kind of constant force with gas storage jacket exports air-floating apparatus | |
| CN103527568B (en) | A kind of constant force output air-floating apparatus of following with guide rail | |
| CN103527570B (en) | A kind of high-precision constant force exports air-floating apparatus | |
| CN103511392B (en) | A kind of constant force output device of unaffected by disturbance of air pipes | |
| CN103511366B (en) | Long distance constant force exports air-floating apparatus | |
| CN203627390U (en) | Friction-free constant force output air floatation device with volume compensation | |
| CN203548437U (en) | High-precision constant-power output air floating device | |
| CN203685720U (en) | Long-distance zero-friction constant force output air flotation device | |
| CN203627388U (en) | Bidirectional constant force outputting air floatation device | |
| CN103527560B (en) | A kind of constant force with compensation cylinder exports air-floating apparatus | |
| CN103527552B (en) | A kind of not by the two-way constant-force pneumatic output unit that low pressure affects | |
| CN103523718B (en) | A kind of two dimensional motion constant force erecting by overhang | |
| CN103527551B (en) | A kind of constant force with electromagnetic compensation exports air-floating apparatus | |
| CN203627391U (en) | Constant force output air floatation device with air storage sleeve | |
| CN203627386U (en) | Bidirectional constant force pneumatic output device insusceptible to low pressure | |
| CN203627350U (en) | Long-distance constant force output air floatation device | |
| CN203627387U (en) | Constant force output device insusceptible to gas pipe disturbance | |
| CN103527532B (en) | A kind of long distance exports air-floating apparatus without friction constant force | |
| CN203545612U (en) | Two-dimensional movement constant-force hanging device | |
| CN203627389U (en) | Constant force output air floatation device with electromagnetism compensation | |
| CN203627431U (en) | Constant force output air floatation device with guide rail following | |
| CN203558739U (en) | Long-distance two-dimensional constant-force hoisting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191212 Address after: 314300 room 237, building 1, new economic Industrial Park, Tongyuan Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Maojing Garden Co.,Ltd. Address before: 310018 Room 1004-1006, 17 Block 57, Baiyang Street Science Park Road, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: Zhejiang Qibo Intellectual Property Operation Co.,Ltd. Effective date of registration: 20191212 Address after: 310018 Room 1004-1006, 17 Block 57, Baiyang Street Science Park Road, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Qibo Intellectual Property Operation Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310014 City Zhaohui District Six Patentee before: Zhejiang University of Technology |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20201211 Address after: 274000 intersection of Changjiang Road and Fuzhou Road, Heze Development Zone, Shandong Province Patentee after: SHANDONG ZHONGKENENG ARTIFICIAL ENVIRONMENT Co.,Ltd. Address before: Room 237, building 1, new economic Industrial Park, Tongyuan Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Maojing Garden Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210319 Address after: 313011 No.87 Gongfu Road, Jiuguan Town, Nanxun District, Huzhou City, Zhejiang Province Patentee after: Huzhou Nanxun old museum Jinan Engineering Construction Co.,Ltd. Address before: 274000 intersection of Changjiang Road and Fuzhou Road, Heze Development Zone, Shandong Province Patentee before: SHANDONG ZHONGKENENG ARTIFICIAL ENVIRONMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A frictionless constant force output air flotation device with volume compensation Effective date of registration: 20220712 Granted publication date: 20151223 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. old branch branch Pledgor: Huzhou Nanxun old museum Jinan Engineering Construction Co.,Ltd. Registration number: Y2022330001341 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |