CN106969005A - Improve the device of cylinder efficient stability - Google Patents

Improve the device of cylinder efficient stability Download PDF

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Publication number
CN106969005A
CN106969005A CN201710411980.8A CN201710411980A CN106969005A CN 106969005 A CN106969005 A CN 106969005A CN 201710411980 A CN201710411980 A CN 201710411980A CN 106969005 A CN106969005 A CN 106969005A
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CN
China
Prior art keywords
support bar
installing plate
rod
oil cylinder
connecting rod
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
Application number
CN201710411980.8A
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Chinese (zh)
Other versions
CN106969005B (en
Inventor
李天骐
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.)
Yangzhou Source Hydraulic Equipment Co., Ltd.
Original Assignee
Luzhou Changjiang Oil Cylinder Manufacturing Co Ltd
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.)
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Publication date
Application filed by Luzhou Changjiang Oil Cylinder Manufacturing Co Ltd filed Critical Luzhou Changjiang Oil Cylinder Manufacturing Co Ltd
Priority to CN201710411980.8A priority Critical patent/CN106969005B/en
Publication of CN106969005A publication Critical patent/CN106969005A/en
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Publication of CN106969005B publication Critical patent/CN106969005B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)

Abstract

The invention discloses the device for improving cylinder efficient stability, including installing plate, drive device and the depression bar assembly being arranged on installing plate upper surface, the depression bar assembly includes support bar and the connecting rod being sequentially connected, the axis of the support bar is perpendicular to the upper surface of installing plate, one end of support bar is hinged with installing plate upper surface, the other end of support bar is connected with connecting rod, and the drive device is connected with support bar, and support bar can be driven to be rotated around hinge axes.The present invention is arranged on to the side of oil cylinder, when oil cylinder is trembled, start drive device, so that support bar is rotated around hinge axes, until connecting rod is pressed on the outer wall of oil cylinder, to limit trembling for oil cylinder, make oil cylinder normal work, and the stress that overhanging piston rod is subject in radial direction is reduced, improve the service life of oil cylinder and the fairness of work.

Description

Improve the device of cylinder efficient stability
Technical field
The present invention relates to a kind of mechanism for avoiding trembling, and in particular to improves the device of cylinder efficient stability.
Background technology
Hydraulic jack is that hydraulic energy is changed into mechanical energy, straight reciprocating motion is done or the hydraulic pressure of oscillating motion performs member Part.Its simple in construction, reliable operation.Realized with it during reciprocating motion, deceleration device can be removed from, and without drive gap, Stable movement, therefore be used widely in various mechanical hydraulic systems.Hydraulic jack power output and piston rod significant surface The pressure difference on product and its both sides is directly proportional;Hydraulic jack is substantially by cylinder barrel and cylinder cap, piston rod and piston rod, sealing device, slow Flushing device is constituted with exhaust apparatus.Buffer unit is with exhaust apparatus depending on concrete application occasion, and other devices are then essential.
The mechanism with certain mass is driven using hydraulic jack in hydraulic system, when hydraulic jack moves to stroke end There is larger kinetic energy during point, such as do not make deceleration processing, with cylinder cap mechanical collision will occur for hydraulic cylinder piston rod, produce impact, Noise, there is destructiveness.To relax and preventing this harm from occurring, therefore deceleration device can be set in hydraulic circuit or in cylinder body Inside set buffer unit.
Hydraulic jack is the executive component that hydraulic energy is converted to in hydraulic system mechanical energy, and its failure can be summarized as substantially Hydraulic jack misoperation, powerless promotion load, piston rod sliding are creeped and oil leak etc..Due to hydraulic jack failure Cause the phenomenon of equipment downtime of common occurrence, therefore, the fault diagnosis and working service that should pay attention to hydraulic jack work.
When the load that the piston rod of hydraulic jack is born is larger or piston rod is improper with sealing ring fit clearance, meeting Make oil cylinder operationally, produce vibration.Vibration direction is concentrated mainly on the radial direction of oil cylinder.Oil cylinder trembles, and is not only influenceing oil cylinder just Often work, and overhanging piston rod is extremely stressed in radial direction, easily piston rod is radially broken, reduce making for oil cylinder With life-span and the fairness of work.
The content of the invention
Present invention aims at the device for providing raising cylinder efficient stability, solve when the piston rod of hydraulic jack is born Load is larger or when piston rod and improper sealing ring fit clearance, can make oil cylinder operationally, produce wobble problem.Cause This present invention designs the device for improving cylinder efficient stability, eliminates oil cylinder vibration, so that oil cylinder normal work, and reduce outer The stress that the piston rod stretched is subject in radial direction, improves the service life of oil cylinder and the fairness of work.
The present invention is achieved through the following technical solutions:
The device of cylinder efficient stability is improved, including installing plate, drive device and is arranged on installing plate upper surface Depression bar assembly, the depression bar assembly includes the support bar that is sequentially connected and connecting rod, and the axis of the support bar is perpendicular to peace The upper surface of plate is filled, one end and the installing plate upper surface of support bar are hinged, and the other end of support bar is connected with connecting rod, it is described to drive Dynamic device is connected with support bar, and support bar can be driven to be rotated around hinge axes.
The present invention is arranged on the side of oil cylinder, when oil cylinder is trembled, starts drive device, so that support bar is around being hinged Axis is rotated, until connecting rod is pressed on the outer wall of oil cylinder, to limit trembling for oil cylinder, makes oil cylinder normal work, and reduce The stress that overhanging piston rod is subject in radial direction, improves the service life of oil cylinder and the fairness of work.
Further, the axis of the connecting rod perpendicular to support bar axis, and away from support bar in connecting rod One end is provided with force application rod, the axis of the force application rod and the diameter parallel of support bar, and is located at the same of connecting rod with support bar Side.The setting of force application rod can increase the restraint for coming from support bar that oil cylinder is received, and further improve the limitation of the present invention The power of oil cylinder vibration.
Further, the chamfer away from connecting rod on force application rod, and end is provided with elastic rubber layer herein.In order to Avoid oil cylinder from trembleing, the restraint for coming from depression bar assembly suffered by oil cylinder greatly, when oil cylinder surface stress is excessive, its by Power position can produce damage, destroy the antirust paint of oil cylinder;Therefore to force application rod chamfering, suffered by a reduction oil cylinder contact surface Stress, while setting elastic rubber layer, plays a protective role to cylinder force position.
Further, the connecting portion between the connecting portion and connecting rod and force application rod between support bar and connecting rod It is provided with chamfering.Chamfering is to lower the stress of corresponding connecting portion, improve the service life of the present invention.
Further, it is provided with bracing piece between force application rod and support bar, one end of the bracing piece and force application rod Side wall connection, the other end of bracing piece and the side wall of support bar are connected, and are come than the one end being connected on bracing piece with force application rod Say, the one end being connected on bracing piece with support bar is closer to installing plate.
Further, the drive device includes actuating arm, drive block, screw rod and the motor being sequentially connected;
Chute, one end of the actuating arm and side walls hinged, the driving of support bar are provided with the upper surface of installing plate The other end of arm and drive block it is side walls hinged;
Sliding block is provided with one end of drive block, the sliding block is located in chute, the axis of the screw rod and prolonging for chute Diameter parallel is stretched, and sliding block is run through in one end of screw rod, and be threadedly coupled with sliding block, the other end and motor connection of screw rod, screw rod Rotate, moved with movable slider and drive block along the axis of screw rod, and make support bar around its jointed shaft between installing plate Line is rotated.
Further, the opening size of the chute is less than bottom land size, and the cross sectional dimensions and the horizontal stroke of chute of sliding block Sectional dimension is consistent.
Further, the drive device and depression bar assembly have several, in several depression bar assemblies, each two depression bar Component is a pair, and in a pair of depression bar assemblies, toward each other, the hinge axes between support bar and installing plate turn connecting rod Dynamic support bar, connecting rod can be close to each other or remote;Every group of depression bar assembly is along the hinge axes between support bar and installing plate It is arranged in order;Depression bar assembly is respectively connected with a drive device respectively.
The present invention compared with prior art, has the following advantages and advantages:
1st, the present invention improves the device of cylinder efficient stability, when oil cylinder is trembled, and starts drive device, so that support bar Rotated around hinge axes, until connecting rod is pressed on the outer wall of oil cylinder, to limit trembling for oil cylinder, make the normal work of oil cylinder Make, and reduce the stress that overhanging piston rod is subject in radial direction, improve the service life of oil cylinder and the fairness of work;
2nd, the present invention improves the device of cylinder efficient stability, and what the setting of force application rod can increase that oil cylinder receives comes from branch The restraint of strut, further improves the power of the limitation oil cylinder vibration of the present invention;
3rd, the present invention improves the device of cylinder efficient stability, in order to avoid oil cylinder trembles, coming from suffered by oil cylinder Greatly, when oil cylinder surface stress is excessive, its force part can produce damage to the restraint of depression bar assembly, destroy the antirust of oil cylinder Paint;Therefore to force application rod chamfering, suffered stress on a reduction oil cylinder contact surface, while elastic rubber layer is set, to oil cylinder Force part plays a protective role.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the invention;
Fig. 2 is front view of the invention;
Fig. 3 is the position view that depression bar assembly leaves oil cylinder;
Fig. 4 is the front view that depression bar assembly leaves oil cylinder;
Fig. 5 is the structural representation of depression bar assembly.
Mark and corresponding parts title in accompanying drawing:
1- installing plates, 2- support bars, 3- connecting rods, 4- force application rods, 5- bracing pieces, 6- actuating arms, 7- drive blocks, 8- spiral shells Bar, 9- chutes, 10- oil cylinders.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make For limitation of the invention.
Embodiment 1
As Figure 1-Figure 5, the present invention improve cylinder efficient stability device, including installing plate 1, drive device and The depression bar assembly on the upper surface of installing plate 1 is arranged on, the depression bar assembly includes support bar 2 and the connecting rod 3 being sequentially connected, institute The axis of support bar 2 is stated perpendicular to the upper surface of installing plate 1, one end and the upper surface of installing plate 1 of support bar 2 are hinged, support bar 2 The other end be connected with connecting rod 3, the drive device is connected with support bar 2, and can drive support bar 2 around hinge axes turn It is dynamic.
The present invention is arranged on the side of oil cylinder 10, when oil cylinder 10 is trembled, starts drive device so that support bar 2 around Hinge axes rotation, until connecting rod 3 is pressed on the outer wall of oil cylinder 10, to limit trembling for oil cylinder 10, makes oil cylinder 10 just Often work, and the stress that overhanging piston rod is subject in radial direction is reduced, improve the service life of oil cylinder 10 and the fairness of work.
Embodiment 2
The present invention is that on the basis of embodiment 1, the present invention is further illustrated.
As Figure 1-Figure 5, the present invention improves the device of cylinder efficient stability, the axis of the connecting rod 3 perpendicular to The axis of support bar 2, and one end away from support bar 2 is provided with force application rod 4 in connecting rod 3, the axis of the force application rod 4 with The diameter parallel of support bar 2, and with support bar 2 positioned at the same side of connecting rod 3.The setting of force application rod 4 can increase oil cylinder 10 and receive To the restraint for coming from support bar 2, further improve the present invention limitation oil cylinder 10 tremble power.
Further, the chamfer away from connecting rod 3 on force application rod 4, and end is provided with elastic rubber layer herein.For Avoid oil cylinder 10 from trembleing, the restraint for coming from depression bar assembly suffered by oil cylinder 10 greatly, when the surface stress mistake of oil cylinder 10 When big, its force part can produce damage, destroy the antirust paint of oil cylinder 10;Therefore to the chamfering of force application rod 4, a reduction oil cylinder 10 connects Suffered stress in contacting surface, while setting elastic rubber layer, plays a protective role to the force part of oil cylinder 10.
Further, between support bar 2 and connecting rod 3 the connection between connecting portion and connecting rod 3 and force application rod 4 Position is provided with chamfering.Chamfering is to lower the stress of corresponding connecting portion, improve the service life of the present invention.
Further, bracing piece 5, one end of the bracing piece 5 and force are provided between force application rod 4 and support bar 2 The side wall connection of bar 4, the other end of bracing piece 5 is connected with the side wall of support bar 2, and than being connected on bracing piece 5 with force application rod 4 One end for, the one end being connected on bracing piece 5 with support bar 2 is closer to installing plate 1.
Embodiment 3
The present invention is that on the basis of embodiment 1, the present invention is further illustrated.
As Figure 1-Figure 5, the present invention improves the device of cylinder efficient stability, and the drive device includes being sequentially connected Actuating arm 6, drive block 7, screw rod 8 and motor;
It is provided with chute 9 on the upper surface of installing plate 1, one end of the actuating arm 6 is side walls hinged with support bar 2, The other end of actuating arm 6 is side walls hinged with drive block 7;
Sliding block is provided with one end of drive block 7, the sliding block is located in chute 9, axis and the chute 9 of the screw rod 8 Extension diameter parallel, and sliding block is run through in one end of screw rod 8, and be threadedly coupled with sliding block, the other end and the motor company of screw rod 8 Connect, screw rod 8 is rotated, the axis with movable slider and drive block 7 along screw rod 8 is moved, and make support bar 2 around itself and installing plate 1 Between hinge axes rotate.
Further, the opening size of the chute 9 is less than bottom land size, and the cross sectional dimensions and chute 9 of sliding block Cross sectional dimensions is consistent.
Embodiment 4
The present invention is that on the basis of embodiment 1, the present invention is further illustrated.
As Figure 1-Figure 5, the present invention improves the device of cylinder efficient stability, and the drive device and depression bar assembly are equal There are several, in several depression bar assemblies, during each two depression bar assembly is a pair, and a pair of depression bar assemblies, the phase each other of connecting rod 3 Right, the hinge axes rotary supporting rod 2 between support bar 2 and installing plate 1, connecting rod 3 can be close to each other or remote;Every team Depression bar assembly is arranged in order along the hinge axes between support bar 2 and installing plate 1;Depression bar assembly is respectively filled with a driving respectively Put connection.
Each pair depression bar assembly is along the axisymmetrical of oil cylinder 10, and depression bar assembly is located at the both sides of oil cylinder 10.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included Within protection scope of the present invention.

Claims (8)

1. improve the device of cylinder efficient stability, it is characterised in that:Including installing plate (1), drive device and it is arranged on peace The depression bar assembly on plate (1) upper surface is filled, the depression bar assembly includes support bar (2) and the connecting rod (3) being sequentially connected, described The axis of support bar (2) is hinged perpendicular to the upper surface of installing plate (1), one end and installing plate (1) upper surface of support bar (2), The other end of support bar (2) is connected with connecting rod (3), and the drive device is connected with support bar (2), and can drive support bar (2) rotated around hinge axes.
2. the device according to claim 1 for improving cylinder efficient stability, it is characterised in that:The connecting rod (3) Axis and is provided with force application rod (4) in connecting rod (3) perpendicular to the axis of support bar (2) away from one end of support bar (2), The axis of the force application rod (4) and the diameter parallel of support bar (2), and with support bar (2) positioned at the same side of connecting rod (3).
3. the device according to claim 2 for improving cylinder efficient stability, it is characterised in that:It is remote on force application rod (4) From a chamfer of connecting rod (3), and herein, end is provided with elastic rubber layer.
4. the device according to claim 2 for improving cylinder efficient stability, it is characterised in that:Support bar (2) and connection The connecting portion between connecting portion and connecting rod (3) and force application rod (4) between bar (3) is provided with chamfering.
5. the device according to claim 2 for improving cylinder efficient stability, it is characterised in that:In force application rod (4) and branch Bracing piece (5) is provided between strut (2), one end of the bracing piece (5) is connected with the side wall of force application rod (4), bracing piece (5) The other end be connected with the side wall of support bar (2), and than the one end being connected on bracing piece (5) with force application rod (4) for, strengthen The one end being connected on bar (5) with support bar (2) is closer to installing plate (1).
6. the device according to claim 1 for improving cylinder efficient stability, it is characterised in that:The drive device includes Actuating arm (6), drive block (7), screw rod (8) and the motor being sequentially connected;
Chute (9) is provided with the upper surface of installing plate (1), one end of the actuating arm (6) is cut with scissors with the side wall of support bar (2) Connect, the other end of actuating arm (6) is side walls hinged with drive block (7);
Sliding block is provided with one end of drive block (7), the sliding block is located in chute (9), the axis and chute of the screw rod (8) (9) extension diameter parallel, and sliding block is run through in one end of screw rod (8), and be threadedly coupled with sliding block, the other end of screw rod (8) and Motor connection, screw rod (8) is rotated, and axis along screw rod (8) of band movable slider and drive block (7) is moved, and make support bar (2) around Its hinge axes rotation between installing plate (1).
7. the device according to claim 6 for improving cylinder efficient stability, it is characterised in that:Chute (9) are opened Mouth size is less than bottom land size, and the cross sectional dimensions of sliding block is consistent with the cross sectional dimensions of chute (9).
8. the device according to claim 1 for improving cylinder efficient stability, it is characterised in that:The drive device and pressure Bar assembly has several, in several depression bar assemblies, each two depression bar assembly be a pair, and a pair of depression bar assemblies in, connection Bar (3) toward each other, the hinge axes rotary supporting rod (2) between support bar (2) and installing plate (1), connecting rod (3) energy It is close to each other or remote;Every group of depression bar assembly is arranged in order along the hinge axes between support bar (2) and installing plate (1);Pressure Bar assembly is respectively connected with a drive device respectively.
CN201710411980.8A 2017-05-31 2017-05-31 Improve the device of cylinder efficient stability Active CN106969005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710411980.8A CN106969005B (en) 2017-05-31 2017-05-31 Improve the device of cylinder efficient stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710411980.8A CN106969005B (en) 2017-05-31 2017-05-31 Improve the device of cylinder efficient stability

Publications (2)

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CN106969005A true CN106969005A (en) 2017-07-21
CN106969005B CN106969005B (en) 2018-07-27

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62118136A (en) * 1985-11-15 1987-05-29 Yamaha Motor Co Ltd Supporting structure of driving device for working machine
CN201055979Y (en) * 2007-04-13 2008-05-07 许晓华 Toothed wheel box cover plate pressing device
CN203679832U (en) * 2013-11-19 2014-07-02 西安众智惠泽光电科技有限公司 Manual self-locking pressing device
CN203792221U (en) * 2014-01-13 2014-08-27 惠州大亚湾光弘科技电子有限公司 Automatic press fit device
CN204604156U (en) * 2015-03-04 2015-09-02 安庆富士电梯有限公司 A kind of engineering fixture
CN106425560A (en) * 2016-08-31 2017-02-22 常州诺德电子有限公司 Clamping device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62118136A (en) * 1985-11-15 1987-05-29 Yamaha Motor Co Ltd Supporting structure of driving device for working machine
CN201055979Y (en) * 2007-04-13 2008-05-07 许晓华 Toothed wheel box cover plate pressing device
CN203679832U (en) * 2013-11-19 2014-07-02 西安众智惠泽光电科技有限公司 Manual self-locking pressing device
CN203792221U (en) * 2014-01-13 2014-08-27 惠州大亚湾光弘科技电子有限公司 Automatic press fit device
CN204604156U (en) * 2015-03-04 2015-09-02 安庆富士电梯有限公司 A kind of engineering fixture
CN106425560A (en) * 2016-08-31 2017-02-22 常州诺德电子有限公司 Clamping device

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Effective date of registration: 20190925

Address after: 610000 Chengdu China (Sichuan) Free Trade Pilot Area, Chengdu, Sichuan Province, No. 88, Jiaozi Avenue, Chengdu High-tech Zone, 2 buildings, 10 floors, No. 102

Patentee after: SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO., LTD.

Address before: 610000 Luzhou city of Sichuan province Liyang machinery and equipment Industrial Park Road No. ten

Patentee before: Luzhou Changjiang oil cylinder manufacturing Co., Ltd.

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Effective date of registration: 20191216

Address after: 225200 Wu Jian Industrial Zone, Jiangdu District, Jiangsu, Yangzhou

Patentee after: Yangzhou Source Hydraulic Equipment Co., Ltd.

Address before: 610000 Chengdu China (Sichuan) Free Trade Pilot Area, Chengdu, Sichuan Province, No. 88, Jiaozi Avenue, Chengdu High-tech Zone, 2 buildings, 10 floors, No. 102

Patentee before: SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO., LTD.

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