CN104047930B - A kind of high integrated hydraulic pump station - Google Patents

A kind of high integrated hydraulic pump station Download PDF

Info

Publication number
CN104047930B
CN104047930B CN201410267359.5A CN201410267359A CN104047930B CN 104047930 B CN104047930 B CN 104047930B CN 201410267359 A CN201410267359 A CN 201410267359A CN 104047930 B CN104047930 B CN 104047930B
Authority
CN
China
Prior art keywords
fuel tank
adpting flange
hydraulic
oil
motor
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.)
Active
Application number
CN201410267359.5A
Other languages
Chinese (zh)
Other versions
CN104047930A (en
Inventor
刘坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO AOFULONG MECHANICAL AND ELECTRICAL CO Ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201410267359.5A priority Critical patent/CN104047930B/en
Publication of CN104047930A publication Critical patent/CN104047930A/en
Application granted granted Critical
Publication of CN104047930B publication Critical patent/CN104047930B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

The invention discloses a kind of high integrated hydraulic pump station, feature comprises casing, motor, hydraulic-pressure pump and control box, box house is the fuel tank and the case for electrical apparatus that hold hydraulic oil by baffle for separating, control box is arranged in case for electrical apparatus, motor and hydraulic-pressure pump are tightly connected and are arranged in fuel tank, penetration type forced air cooler is provided with in fuel tank, the two ends of penetration type forced air cooler are separately positioned on dividing plate with on oil tank wall relative with dividing plate on fuel tank, one end in the two ends of penetration type forced air cooler is provided with fan, the electrical equipment tank wall of case for electrical apparatus is provided with air-guiding hole, oil tank wall adjacent with dividing plate on fuel tank is provided with the return opening for inserting return tube, return opening is provided with leakage protection device, advantage is that the volume of product reduces greatly, the installation of product and clean large for convenience, good cooling results, noise are little, and cost is low, and oil suction efficiency is higher, can factorial praluction, can be installed to equipment and the operational site of injection machine, die casting machine hydraulic press and various use hydraulic power unit easily.

Description

A kind of high integrated hydraulic pump station
Technical field
The present invention relates to a kind of hydraulic power unit of technical field of hydraulic pressure, especially a kind of high integrated hydraulic pump station.
Background technique
Existing hydraulic power unit mainly comprises fuel tank, motor, oil pump and control box, motor, oil pump and control box are all arranged on the outside of fuel tank, the hydraulic power unit of this structure is only be deposited in together by the various piece of hydraulic power unit, not only do not produce new functional effect, and due to the pipeline of various piece interlaced, give and install and clean cause very large trouble.In addition, various piece all independently cools, and not only product cost increases, and too increases the noise when volume of product, energy consumption and cooling effectiveness and work simultaneously.At present, consider noise when cooling effectiveness and work, people start to adopt oil immersion cold type motor, and the patent No. of authorizing as on December 4th, 2013 is the oil-cooled motor that 201320405268.4 Chinese model utilitys disclose this structure.Although motor has been put into fuel tank by the fluid pressure drive device of this structure, but whole hydraulic power unit still occupies larger space, and hydraulic-pressure pump operationally also can generate heat and produce noise, usual needs increase additional cooling equipment and noise insulation equipment, the cost of the increase product that this can be extra; Meanwhile, installation and clean problem still cannot solve.In addition, hydraulic-pressure pump needs to arrange an inlet line for from fuel tank internal oil suction, and not only pipeline is complicated, increases cost, and there is the risk causing hydraulic-pressure pump fault because inlet line connects error, the oil suction efficiency of this fault meeting extreme influence hydraulic-pressure pump.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of compact structure, noise is little, cost is low, is convenient to install and clean, and cooling effect better and the high high integrated hydraulic pump station of oil suction efficiency.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of high integrated hydraulic pump station, comprise casing, motor, hydraulic-pressure pump and control box, described box house is the fuel tank and the case for electrical apparatus that hold hydraulic oil by baffle for separating, described control box is arranged in described case for electrical apparatus, described motor and hydraulic-pressure pump are tightly connected and are arranged in described fuel tank, penetration type forced air cooler is provided with in described fuel tank, the two ends of described penetration type forced air cooler are separately positioned on the described dividing plate oil tank wall relative with described dividing plate with described fuel tank, one end in the two ends of described penetration type forced air cooler is provided with fan, the electrical equipment tank wall of described case for electrical apparatus is provided with air-guiding hole, the oil tank wall that described fuel tank is adjacent with described dividing plate is provided with the return opening for inserting return tube, described return opening is provided with leakage protection device.
Described penetration type forced air cooler comprises cooling tube and is arranged on the cooling tube fixed base at described cooling tube two ends, the oil tank wall of described fuel tank and described dividing plate are provided with cooling tube mounting hole, described cooling tube is arranged on described cooling tube mounting hole by the sealing of described cooling tube fixed base, and described cooling tube is outside equipped with radiating fin.
Described leakage protection device comprises the flexible cork be arranged on described return opening, described flexible cork is provided with return tube attachment hole, the arranged outside of described flexible cork has annular slot, described annular slot is fastened on described oil tank wall, and the aperture of described return tube attachment hole is slightly less than the diameter of return tube.This structure can realize being connected, as long as firmly insert with the convenient of the return tube on various equipment.And according to the size of return tube diameter, as long as the flexible cork changing suitable aperture just can be conveniently used in various occasion.
The electric machine casing of described motor is fixedly installed on arbitrary oil tank wall of described fuel tank, the first adpting flange is provided with between the pump case of described electric machine casing and described hydraulic-pressure pump, the first described adpting flange is fixedly connected with described electric machine casing, described pump case is fixedly connected with the first described adpting flange, the first described adpting flange is provided with attachment hole, the end of described motor output shaft is provided with coupling, the oil pump input shaft of described hydraulic-pressure pump is connected with described coupling through described attachment hole, under the inlet port of described hydraulic-pressure pump is positioned at the liquid level of described hydraulic oil, the oil outlet of described hydraulic-pressure pump is communicated with outside pipeline road by connecting pipeline, the first seal ring is provided with between the first described adpting flange and described electric machine casing, the second seal ring is provided with between described pump case and the first described adpting flange, the side of the first described adpting flange is provided with locking hole, described locking hole is provided with dismountable seal plug.Hydraulic-pressure pump, directly by inlet port oil suction from hydraulic oil, without the need to connecting inlet line, eliminating the risk that inlet line connects error, substantially increasing oil suction efficiency; The structure of adpting flange for different needs, can need not change motor, only need change adpting flange and just can coordinate with the hydraulic-pressure pump of arbitrary model, greatly facilitate installation, saved cost.The setting of seal ring effectively can prevent fluid from entering motor internal from the gap between the first adpting flange and electric machine casing and the gap between pump case and the first adpting flange and cause damage.
Described oil tank wall is fixedly installed support flange, the afterbody of described electric machine casing is provided with the second adpting flange, the second described adpting flange is fixedly connected with described support flange, is provided with the 3rd seal ring between the second described adpting flange and described support flange.Effectively prevent fluid from from the gap between support flange and the second adpting flange, entering motor internal and cause damage.
Described pump case is provided with the 3rd adpting flange, the 3rd described adpting flange is spirally connected and is fixed on the first described adpting flange.Enhance the being connected and fixed property of pump case and the first adpting flange.
Described electric machine casing is provided with connection cavity, the first described adpting flange is provided with connection boss, in the connection cavity described in described connection boss embeds, between the sidewall of described connection cavity and described connection boss, be provided with radial direction seal ring.Sealing between further lifting first adpting flange and electric machine casing, and the pressure that radial direction seal ring is subject to is less, can improve the working life of seal ring.
Described motor is actuating motor, described actuating motor comprises the encoder of the rotating speed for detecting described motor output shaft, described electric machine casing is provided with outer end cap, described outer end cap is provided with cavity, described encoder is arranged in described cavity.Employing actuating motor can effectively automatic control performance.
Described fuel tank is provided with repairing mouth, filter, oil level indicator, thermometric instrument, total valve plate and radiator cooler.When the thermometric instrument temperature measured in fuel tank exceedes warning temperature, illustrate that the cooling capacity of cooler is inadequate, now just can be reduced the temperature in fuel tank by startup radiator cooler; And the pipeline of output and circuit can all concentrate on herein by total arranging of valve plate, installation when conveniently using on various equipment connects.
The base plate of described fuel tank is provided with supporting frame, and described motor bearing is on described supporting frame.The stability of motor can be improved.
Compared with prior art, the invention has the advantages that and motor, hydraulic-pressure pump and control box be all arranged in casing that an inside is fuel tank and case for electrical apparatus by baffle for separating, greatly reduce the volume of product, simultaneously product installation and clean large for convenience; Motor and hydraulic-pressure pump being tightly connected is arranged in fuel tank, and directly by the hydraulic oil cooling in fuel tank, cooling effect is better, and the noise produced when effectively reducing hydraulic-pressure pump work, without the need to increasing additional noise insulation equipment; Penetration type forced air cooler is set in fuel tank simultaneously, and the two ends of penetration type forced air cooler are separately positioned on dividing plate with on oil tank wall relative with dividing plate on fuel tank, one end of penetration type forced air cooler is provided with fan, and air-guiding hole is set on the electrical equipment tank wall of case for electrical apparatus, just can in cooling oil box while hydraulic oil, the air quantity that enters case for electrical apparatus by penetration type forced air cooler is utilized to take away from the heat of air guide hole by control box, save unnecessary cooling unit, make that whole hydraulic power unit cost reduces, energy consumption reduces, compact structure and noise reduce; Oil tank wall adjacent with dividing plate on fuel tank is arranged the return opening for inserting return tube, and leakage protection device is set on return opening, can complete easily with the connection of return tube and can prevent the hydraulic oil in fuel tank from spilling fuel tank from return opening.Hydraulic power unit of the present invention can factorial praluction, can be installed to equipment and the operational site of injection machine, die casting machine hydraulic press and various use hydraulic power unit easily.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is that the present invention is arranged on motor in fuel tank and hydraulic-pressure pump structural representation;
Fig. 3 is the leakage protection device schematic diagram of return opening of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment one: a kind of high integrated hydraulic pump station, comprise casing 1, motor 2, hydraulic-pressure pump 3 and control box 4, casing 1 inside is divided into the fuel tank 11 and case for electrical apparatus 12 that hold hydraulic oil 6 by dividing plate 5, control box 4 is arranged in case for electrical apparatus 12, motor 2 and hydraulic-pressure pump 3 are tightly connected and are arranged in fuel tank 11, penetration type forced air cooler 7 is provided with in fuel tank 11, penetration type forced air cooler 7 comprises cooling tube 71 and is arranged on the cooling tube fixed base 72 at cooling tube 71 two ends, the oil tank wall 111 of fuel tank 11 and dividing plate 5 are provided with cooling tube mounting hole 73, cooling tube fixed base 72 is arranged on cooling tube mounting hole 73, seal ring (scheming not show) is provided with between cooling tube fixed base 72 and cooling tube mounting hole 73, seal ring (scheming not show) is provided with between cooling tube 71 and cooling tube fixed base 72, cooling tube 71 is outside equipped with radiating fin 74, the one end being arranged on oil tank wall 111 in the two ends of cooling tube 71 is provided with fan 75, the electrical equipment tank wall 121 of case for electrical apparatus 12 is provided with air-guiding hole (figure does not show), the oil tank wall 111 that fuel tank 11 is adjacent with dividing plate 5 is provided with the return opening 81 for inserting return tube (scheming not show), return opening 81 is provided with flexible cork 82, flexible cork 82 is provided with return tube attachment hole 83, the arranged outside of flexible cork 82 has annular slot 84, annular slot 84 is fastened on oil tank wall 111, the aperture of return tube attachment hole 83 is slightly less than the diameter of return tube.Fuel tank 11 is also provided with repairing mouth 13, filter 14, oil level indicator 15, thermometric instrument 16, total valve plate 17 and radiator cooler 18.
The base plate 112 of fuel tank 11 is provided with supporting frame 113, and motor 2 is bearing on supporting frame 113.The first adpting flange 22 is provided with between the pump case 31 of electric machine casing 21 and hydraulic-pressure pump 3, electric machine casing 21 is provided with and connects cavity 211, first adpting flange 22 is provided with and connects boss 224, connecting boss 224 embeds in connection cavity 211, connect between cavity 211 and the sidewall connecting boss 224 and be provided with radial direction seal ring 212, first adpting flange 22 is fixedly connected with electric machine casing, pump case 31 is provided with the 3rd adpting flange 37, 3rd adpting flange 37 is spirally connected and is fixed on the first adpting flange 22, first adpting flange 22 is provided with attachment hole 221, the end of motor output shaft 23 is provided with coupling 24, the oil pump input shaft 32 of hydraulic-pressure pump 3 is connected with coupling 24 through attachment hole 221, under the inlet port 33 of hydraulic-pressure pump 3 is positioned at the liquid level of hydraulic oil 6, the oil outlet 34 of hydraulic-pressure pump 3 is communicated with total valve plate 17 by connecting pipeline 35, the first seal ring 25 is provided with between first adpting flange 22 and electric machine casing 21, the second seal ring 36 is provided with between pump case 31 and the first adpting flange 22, the side of the first adpting flange 22 is provided with locking hole 222, locking hole 222 is provided with dismountable seal plug 223, oil tank wall 111 is fixedly installed support flange 114, the afterbody of the electric machine casing 21 of motor 2 is provided with the second adpting flange 26, second adpting flange 26 is fixedly connected with support flange 114, the 3rd seal ring 27 is provided with between second adpting flange 26 and support flange 114.
Embodiment two: remaining part is identical with embodiment one, its difference is that motor 2 is for actuating motor, actuating motor comprises the encoder 201 of the rotating speed for detecting motor output shaft, the afterbody of electric machine casing 21 is provided with outer end cap 202, outer end cap 202 is provided with cavity 203, encoder 201 is arranged in cavity 203.
In above embodiment, under electric machine casing 21 and pump case 31 all can be positioned at the liquid level of hydraulic oil 6, cooling effect and noise reduction better; Support flange 114 also can substitute with stiffening rib or reinforced block, its objective is the join strength improving oil tank wall 111 and electric machine casing 21.

Claims (10)

1. a high integrated hydraulic pump station, it is characterized in that comprising casing, motor, hydraulic-pressure pump and control box, described box house is the fuel tank and the case for electrical apparatus that hold hydraulic oil by baffle for separating, described control box is arranged in described case for electrical apparatus, described motor and hydraulic-pressure pump are tightly connected and are arranged in described fuel tank, penetration type forced air cooler is provided with in described fuel tank, the two ends of described penetration type forced air cooler are separately positioned on described dividing plate with on oil tank wall relative with described dividing plate on described fuel tank, one end in the two ends of described penetration type forced air cooler is provided with fan, the electrical equipment tank wall of described case for electrical apparatus is provided with air-guiding hole, oil tank wall adjacent with described dividing plate on described fuel tank is provided with the return opening for inserting return tube, described return opening is provided with leakage protection device.
2. a kind of high integrated hydraulic pump station as claimed in claim 1, it is characterized in that described penetration type forced air cooler comprises cooling tube and is arranged on the cooling tube fixed base at described cooling tube two ends, the oil tank wall of described fuel tank and described dividing plate are provided with cooling tube mounting hole, described cooling tube is arranged on described cooling tube mounting hole by the sealing of described cooling tube fixed base, and described cooling tube is outside equipped with radiating fin.
3. a kind of high integrated hydraulic pump station as claimed in claim 1, it is characterized in that described leakage protection device comprises the flexible cork be arranged on described return opening, described flexible cork is provided with return tube attachment hole, the arranged outside of described flexible cork has annular slot, described annular slot is fastened on described oil tank wall, and the aperture of described return tube attachment hole is slightly less than the diameter of return tube.
4. a kind of high integrated hydraulic pump station as claimed in claim 1, it is characterized in that the electric machine casing of described motor is fixedly installed on arbitrary oil tank wall of described fuel tank, the first adpting flange is provided with between the pump case of described electric machine casing and described hydraulic-pressure pump, the first described adpting flange is fixedly connected with described electric machine casing, described pump case is fixedly connected with the first described adpting flange, the first described adpting flange is provided with attachment hole, the end of described motor output shaft is provided with coupling, the oil pump input shaft of described hydraulic-pressure pump is connected with described coupling through described attachment hole, under the inlet port of described hydraulic-pressure pump is positioned at the liquid level of described hydraulic oil, the oil outlet of described hydraulic-pressure pump is communicated with outside pipeline road by connecting pipeline, the first seal ring is provided with between the first described adpting flange and described electric machine casing, the second seal ring is provided with between described pump case and the first described adpting flange, the side of the first described adpting flange is provided with locking hole, described locking hole is provided with dismountable seal plug.
5. a kind of high integrated hydraulic pump station as claimed in claim 4, it is characterized in that described oil tank wall is fixedly installed support flange, the afterbody of described electric machine casing is provided with the second adpting flange, the second described adpting flange is fixedly connected with described support flange, is provided with the 3rd seal ring between the second described adpting flange and described support flange.
6. a kind of high integrated hydraulic pump station as claimed in claim 4, is characterized in that described pump case being provided with the 3rd adpting flange, and the 3rd described adpting flange is spirally connected and is fixed on the first described adpting flange.
7. a kind of high integrated hydraulic pump station as claimed in claim 4, it is characterized in that described electric machine casing is provided with connection cavity, the first described adpting flange is provided with connection boss, in connection cavity described in described connection boss embeds, between the sidewall of described connection cavity and described connection boss, be provided with radial direction seal ring.
8. a kind of high integrated hydraulic pump station as claimed in claim 1, it is characterized in that described motor is actuating motor, described actuating motor comprises the encoder of the rotating speed for detecting described motor output shaft, described electric machine casing is provided with outer end cap, described outer end cap is provided with cavity, and described encoder is arranged in described cavity.
9. a kind of high integrated hydraulic pump station as claimed in claim 1, is characterized in that described fuel tank is provided with repairing mouth, filter, oil level indicator, thermometric instrument, total valve plate and radiator cooler.
10. a kind of high integrated hydraulic pump station as claimed in claim 1, the base plate that it is characterized in that described fuel tank is provided with supporting frame, and described motor bearing is on described supporting frame.
CN201410267359.5A 2014-06-16 2014-06-16 A kind of high integrated hydraulic pump station Active CN104047930B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410267359.5A CN104047930B (en) 2014-06-16 2014-06-16 A kind of high integrated hydraulic pump station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410267359.5A CN104047930B (en) 2014-06-16 2014-06-16 A kind of high integrated hydraulic pump station

Publications (2)

Publication Number Publication Date
CN104047930A CN104047930A (en) 2014-09-17
CN104047930B true CN104047930B (en) 2016-04-06

Family

ID=51501198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410267359.5A Active CN104047930B (en) 2014-06-16 2014-06-16 A kind of high integrated hydraulic pump station

Country Status (1)

Country Link
CN (1) CN104047930B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545532A (en) * 2017-01-22 2017-03-29 石家庄市液压有限责任公司 A kind of hydraulic system
CN108223330A (en) * 2018-02-08 2018-06-29 衡阳泰豪通信车辆有限公司 A kind of pumping plant of Low target feature
CN109372827B (en) * 2018-10-09 2020-05-05 泰州市博泰电子有限公司 Hydraulic power unit with security
CN110195733B (en) * 2019-04-30 2020-04-10 乐清市川嘉电气科技有限公司 Intelligent self-cleaning deposition-prevention hydraulic pump station
CN112377473A (en) * 2020-11-19 2021-02-19 济宁职业技术学院 Electromechanical hydraulic power system and electromechanical integrated driving device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723027A (en) * 1968-12-13 1973-03-27 Imo Industri Ab Pumping units
CN2771538Y (en) * 2005-02-28 2006-04-12 夏连根 Built-in oil-immersible integrated hydraulic power unit
CN201661552U (en) * 2010-04-19 2010-12-01 江苏苏亚机电制造有限公司 Integrated hydraulic pump station for wind generating set
CN203326817U (en) * 2013-07-05 2013-12-04 宁波腾隆户外用品有限公司 Oil-cooled motor of large and medium equipment
CN203948386U (en) * 2014-06-16 2014-11-19 刘坚 A kind of high integrated hydraulic pump station

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203201A (en) * 1982-05-21 1983-11-26 Hitachi Ltd Hydraulic power unit
JPH05132265A (en) * 1991-11-13 1993-05-28 Mitsubishi Electric Corp Hydraulic power unit of hydraulic elevator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723027A (en) * 1968-12-13 1973-03-27 Imo Industri Ab Pumping units
CN2771538Y (en) * 2005-02-28 2006-04-12 夏连根 Built-in oil-immersible integrated hydraulic power unit
CN201661552U (en) * 2010-04-19 2010-12-01 江苏苏亚机电制造有限公司 Integrated hydraulic pump station for wind generating set
CN203326817U (en) * 2013-07-05 2013-12-04 宁波腾隆户外用品有限公司 Oil-cooled motor of large and medium equipment
CN203948386U (en) * 2014-06-16 2014-11-19 刘坚 A kind of high integrated hydraulic pump station

Also Published As

Publication number Publication date
CN104047930A (en) 2014-09-17

Similar Documents

Publication Publication Date Title
CN104047930B (en) A kind of high integrated hydraulic pump station
CN204421700U (en) A kind of Diesel Multiple Unit oil-water heat exchanger and internal combustion engine
CN203967885U (en) A kind of multi-pore channel water-cooled electricity main shaft
CN203574501U (en) Cooling motor
CN101408199A (en) Intelligent water pump
CN110469502B (en) Air gap non-oil-immersion type inner engaged gear motor pump
CN102684396A (en) Oil-cooled motor for compressor and variable frequency oil-injection screw air compressor employing same
CN201910691U (en) Engine seat with novel cooling jacket
CN203948386U (en) A kind of high integrated hydraulic pump station
CN204627699U (en) A kind of machine oil cooler
CN204013089U (en) A kind of electric main shaft
CN107910986B (en) Dry-wet dual-purpose water-cooling motor
CN102013751A (en) Water-cooled base with a spiral finned tube
CN202586605U (en) Oil cooling motor for compressor and frequency conversion oil-injection threaded-rod air compressor comprising oil cooling motor
CN204126717U (en) The total assembling structure of thermostat and thermostat base thereof
CN203466684U (en) Cooling structure for stator of mechanical spindle
CN203135650U (en) Intelligent oil-cooled motor
CN102013752A (en) Engine base with novel cooling jacket
CN213451014U (en) Liquid-cooled water pump
CN203967886U (en) A kind of air-cooled electric main shaft of bidirectional cooling
CN205277953U (en) Automobile parts machine tool's hydraulic pressure station
CN103541952A (en) Air cooling device of hydraulic pressure station
CN203670719U (en) Transmission lubricating oil external connection cooling device
CN204628030U (en) A kind of water-cooled pump
CN203967907U (en) A kind of water-cooled electricity main shaft

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: 20190806

Address after: 315000 No. 109, Siming East Road, Yinjiang Town, Haishu District, Ningbo City, Zhejiang Province

Patentee after: Ningbo Aofulong Mechanical and Electrical Co., Ltd.

Address before: 3151 No. 42, Group 61, Xiangci Village, Yinjiang Town, Yinzhou District, Ningbo City, Zhejiang Province

Patentee before: Liu Jian