CN108547829A - A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure - Google Patents
A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure Download PDFInfo
- Publication number
- CN108547829A CN108547829A CN201810718551.XA CN201810718551A CN108547829A CN 108547829 A CN108547829 A CN 108547829A CN 201810718551 A CN201810718551 A CN 201810718551A CN 108547829 A CN108547829 A CN 108547829A
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- China
- Prior art keywords
- accumulator
- pedestal
- fixedly connected
- hydraulic cylinder
- medium
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression 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
- F16F15/04—Suppression 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
- F16F15/046—Suppression 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 using combinations of springs of different kinds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression 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
- F16F15/04—Suppression 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
- F16F15/08—Suppression 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of medium-speed pulverizer hydraulic cylinders and accumulator connection structure, including pedestal, it is characterized in that, the upper surface of the pedestal is installed with bearing, the side of the bearing is fixedly connected with high-pressure rubber pipe, and the upper surface insertion of bearing is equipped with accumulator, the outer surface socket of the accumulator is equipped with retainer plate, the outer surface of the retainer plate is fixedly connected with supporting rod, the lower end of the supporting rod is fixedly connected with the upper surface of pedestal, and one end of the high-pressure rubber pipe, which is fixed by socket, is equipped with connecting tube.By the way that MP200 medium-speed pulverizers hydraulic cylinder is separately fixed with accumulator, original rigid connection is changed to high-pressure rubber pipe and is flexible coupling, the effective buffering vibration of energy and impact, avoid the problem that because of vibratory impulse crackle oil spout occurs for pressure piping weld bond, accumulator can firmly be clamped by retainer plate, accumulator can be fixed on pedestal by supporting rod, prevent accumulator from toppling over phenomenon, causes certain loss.
Description
Technical field
The present invention relates to electrical equipment technical field, specifically a kind of medium-speed pulverizer hydraulic cylinder connect knot with accumulator
Structure.
Background technology
Hydraulic accumulator is a kind of energy savings device in hydropneumatic system, it is in due course will be in system
Energy conversion is that compression energy or potential energy store, and is changed into hydraulic pressure or air pressure when system needs, and by compression energy or potential energy
It is released Deng energy, mends feed system again, when system instantaneous pressure increases, it can absorb the energy of this part, with
Ensure that whole system pressure is normal.
MP200 medium-speed pulverizers hydraulic cylinder is connected as steel pipe rigid connection with accumulator, and accumulator is fixed on hydraulic cylinder, mill
The impact and vibration generated in coal machine operational process is conducted by pull rod to hydraulic cylinder and joint steel pipe, and joint steel pipe weldering easily occurs
Mouth cracking oil spout, influences coal pulverizer equipment safety stable operation, for this purpose, we have proposed a kind of medium-speed pulverizer hydraulic cylinders and storage
It can device connection structure.
Invention content
The purpose of the present invention is to provide a kind of medium-speed pulverizer hydraulic cylinders and accumulator connection structure, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure, including pedestal, the upper surface of the pedestal are installed with
The side of bearing, the bearing is fixedly connected with high-pressure rubber pipe, and the upper surface insertion of bearing is equipped with accumulator, the energy storage
The outer surface socket of device is equipped with retainer plate, and the outer surface of the retainer plate is fixedly connected with supporting rod, under the supporting rod
End be fixedly connected with the upper surface of pedestal, one end of the high-pressure rubber pipe, which is fixed by socket, is equipped with connecting tube, the pedestal it is upper
Surface is installed with hydraulic cylinder at another side position of bearing, and the upper end of the hydraulic cylinder is provided with fixed seat, described
One side surface of fixed seat is fixedly connected with connecting rod, and the lower surface of the connecting rod is fixedly connected with the upper end of connecting tube, institute
The lower end for stating supporting rod is provided with compression cylinder, and the upper end face insertion of the compression cylinder is equipped with constrictor, the constrictor
Lower end is fixedly installed piston, and the lower surface of the piston is vertically installed with the first spring, the lower end of first spring
It is fixedly connected with the interior surface of compression cylinder.
As further scheme of the invention：The high-pressure rubber pipe includes the first screwed pipe, the inside of the fastener tube
Surface is installed with fastener tube, and the inside of the fastener tube is fixedly connected with that there are four second springs.
As further scheme of the invention：The retainer plate includes interior retainer plate, the outer surface of the interior retainer plate
It is fixedly connected there are four second spring, the angle between the third spring is 90 degree, and one end of third spring is fixedly connected
There is outer retainer plate.
As further scheme of the invention：The connecting tube includes the second screwed pipe, second screwed pipe it is outer
Surface socket is equipped with fastening thread set.
As further scheme of the invention：Being internally provided with for second screwed pipe is corresponding with the first screwed pipe
Screw thread, and the second screwed pipe and the first screwed pipe junction are provided with rubber ring.
As further scheme of the invention：The interior retainer plate is a kind of rubber material component, the outer retainer plate
It is a kind of metal material component.
As further scheme of the invention：The pedestal includes the first pedestal, and the lower surface of first pedestal is set
It is equipped with rubber pad, the lower surface of the rubber pad is provided with the second pedestal, and the pedestal is bolted to connection with ground.
As further scheme of the invention：The lower end of the supporting rod and the upper surface of pedestal are fixed by welding
Connection.
Compared with prior art, the beneficial effects of the invention are as follows：By the way that MP200 medium-speed pulverizers hydraulic cylinder and accumulator are separated
Fixed, original rigid connection is changed to high-pressure rubber pipe and is flexible coupling, and the effective buffering vibration of energy and impact avoid pressure piping weld bond because shaking
Crackle oil spout occurs for dynamic impact, can firmly clamp accumulator by retainer plate, by supporting rod, can consolidate accumulator
It is scheduled on pedestal, prevents accumulator from toppling over phenomenon, cause certain loss.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of medium-speed pulverizer hydraulic cylinder and accumulator connection structure.
Fig. 2 is that a kind of medium-speed pulverizer hydraulic cylinder and the connecting tube of accumulator connection structure are shown with high-pressure rubber pipe mounting structure
It is intended to.
Fig. 3 is the first screwed pipe internal structure schematic diagram of a kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure.
Fig. 4 is the first screwed pipe sectional view of a kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure.
Fig. 5 is the retainer plate vertical view of a kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure.
Fig. 6 is the supporting rod internal structure schematic diagram of a kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure.
In figure：1, pedestal；2, bearing；3, high-pressure rubber pipe；301, the first screwed pipe；302, fastener tube；303, second spring；
4, accumulator；5, retainer plate；501, interior retainer plate；502, third spring；503, outer retainer plate；6, supporting rod；7, hydraulic cylinder；8、
Fixed seat；9, connecting rod；10, connecting tube；1001, the second screwed pipe；1002, fastening thread set；11, compression cylinder；12, it compresses
Bar；13, piston；14, the first spring.
Specific implementation mode
Please refer to Fig.1~6, in the embodiment of the present invention, a kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure, including
Pedestal 1, pedestal 1 include the first pedestal, and the lower surface of the first pedestal is provided with rubber pad, and the lower surface of rubber pad is provided with second
Pedestal, pedestal 1 are bolted to connection with ground, when the equipment works, can effectively slow down the vibration of its generation.
The upper surface of pedestal 1 is installed with bearing 2, and the side of bearing 2 is fixedly connected with high-pressure rubber pipe 3, high-pressure rubber pipe 3
Including the first screwed pipe 301, the interior surface of fastener tube 302 is installed with fastener tube 302, and the inside of fastener tube 302 is fixed
There are four second springs 303 for connection, can increase the fastness of the connection of high-pressure rubber pipe 3 by fastener tube 302.
The upper surface insertion of bearing 2 is equipped with accumulator 4, and the outer surface socket of accumulator 4 is equipped with retainer plate 5, fixed
Circle 5 includes interior retainer plate 501, and interior retainer plate 501 is a kind of rubber material component, and outer retainer plate 503 is a kind of metal material texture
Part, the outer surface of interior retainer plate 501 are fixedly connected there are four second spring 502, and the angle between third spring 502 is 90 degree,
And one end of third spring 502 is fixedly connected with outer retainer plate 503, in order to which accumulator 4 is firmly clamped.
The outer surface of retainer plate 5 is fixedly connected with supporting rod 6, and the lower end of supporting rod 6 passes through welding with the upper surface of pedestal 1
And be fixedly connected, in order to firmly fix accumulator 4, avoid toppling over.
The lower end of supporting rod 6 is fixedly connected with the upper surface of pedestal 1, and one end of high-pressure rubber pipe 3 is fixed by socket the company of being equipped with
The upper surface of take over 10, pedestal 1 is installed with hydraulic cylinder 7 at another side position of bearing 2, and the upper end of hydraulic cylinder 7 is set
It is equipped with fixed seat 8, a side surface of fixed seat 8 is fixedly connected with connecting rod 10, and connecting tube 10 includes the second screwed pipe 1001, the
The outer surface socket of two screwed pipes 1001 is equipped with fastening thread set 1002, and 1002 can be covered by fastening thread by connecting tube 10
It firmly links together with high-pressure rubber pipe 3.
Second screwed pipe 1001 is internally provided with screw thread corresponding with the first screwed pipe 301, and the second screwed pipe
1001 and 301 junction of the first screwed pipe be provided with rubber ring, in order to make the tightness between high-pressure rubber pipe 3 and connecting tube 10.
The lower surface of connecting rod 10 is fixedly connected with the upper end of connecting tube 10, and the lower end of supporting rod 6 is provided with compression cylinder 11,
The upper end face insertion of compression cylinder 11 is equipped with constrictor 12, and the lower end of constrictor 12 is fixedly installed piston 13, piston 13
Lower surface is vertically installed with the first spring 14, and the lower end of the first spring 14 is fixedly connected with the interior surface of compression cylinder 11.
The present invention operation principle be：Joint steel pipe middle section is cut off, with high-pressure rubber pipe 3 replace, by high-pressure rubber pipe 3 with
When hydraulic cylinder 7 is fixed together, the first screwed pipe 301 is fixed to the inside of the second screwed pipe 1001, will then fasten spiral shell again
1002 socket of line set is mounted on the second screwed pipe 1001, makes to connect more between the first screwed pipe 301 and the second screwed pipe 1001
Add securely, while fixed, with the rotation of thread bush 1002, the first screwed pipe 301 can be made to generate one to fastener tube 302
The power of extruding can generate a reaction force, to the first spiral shell under the elastic reaction of second spring 303 to fastener tube 302
Line pipe 301 generates a reaction force and then accumulator 4 is punctured into retainer plate 5 to keep its connection more secured,
Under the elasticity of third spring 502, interior retainer plate 501 can be made to clamp accumulator 4, under the support of supporting rod 6, make accumulator 4
It is firmly fixed on pedestal 1, it, can also be to storage under the elasticity of the first spring 14 when the vibration that equipment work generates
Energy device 4 generates a cushioning effect, and vibration is avoided to generate certain influence to accumulator 4.
Claims (8)
1. a kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure, including pedestal（1）, which is characterized in that the pedestal（1）
Upper surface be installed with bearing（2）, the bearing（2）Side be fixedly connected with high-pressure rubber pipe（3）, and bearing（2）'s
Upper surface insertion is equipped with accumulator（4）, the accumulator（4）Outer surface socket retainer plate is installed（5）, the retainer plate
（5）Outer surface be fixedly connected with supporting rod（6）, the supporting rod（6）Lower end and pedestal（1）Upper surface be fixedly connected,
The high-pressure rubber pipe（3）One end be fixed by socket connecting tube be installed（10）, the pedestal（1）Upper surface close to bearing（2）
Another side position at be installed with hydraulic cylinder（7）, the hydraulic cylinder（7）Upper end be provided with fixed seat（8）, the fixation
Seat（8）A side surface be fixedly connected with connecting rod（10）, the connecting rod（10）Lower surface and connecting tube（10）Upper end
It is fixedly connected, the supporting rod（6）Lower end be provided with compression cylinder（11）, the compression cylinder（11）Upper end face insertion installation
There is constrictor（12）, the constrictor（12）Lower end be fixedly installed piston（13）, the piston（13）Lower surface it is vertical
It is installed with the first spring（14）, first spring（14）Lower end and compression cylinder（11）Interior surface be fixedly connected.
2. a kind of medium-speed pulverizer hydraulic cylinder according to claim 1 and accumulator connection structure, which is characterized in that described
High-pressure rubber pipe（3）Including the first screwed pipe（301）, the fastener tube（302）Interior surface be installed with fastener tube
（302）, the fastener tube（302）Inside be fixedly connected there are four second spring（303）.
3. a kind of medium-speed pulverizer hydraulic cylinder according to claim 2 and accumulator connection structure, which is characterized in that described
Retainer plate（5）Including interior retainer plate（501）, the interior retainer plate（501）Outer surface be fixedly connected there are four second spring
（502）, the third spring（502）Between angle be 90 degree, and third spring（502）One end be fixedly connected with outer fixation
Circle（503）.
4. a kind of medium-speed pulverizer hydraulic cylinder according to claim 1 and accumulator connection structure, which is characterized in that described
Connecting tube（10）Including the second screwed pipe（1001）, second screwed pipe（1001）Outer surface socket fastening thread is installed
Set（1002）.
5. a kind of medium-speed pulverizer hydraulic cylinder according to claim 2 or 4 and accumulator connection structure, which is characterized in that
Second screwed pipe（1001）Be internally provided with and the first screwed pipe（301）Corresponding screw thread, and the second screwed pipe
（1001）With the first screwed pipe（301）Junction is provided with rubber ring.
6. a kind of medium-speed pulverizer hydraulic cylinder according to claim 3 and accumulator connection structure, which is characterized in that described
Interior retainer plate（501）It is a kind of rubber material component, the outer retainer plate（503）It is a kind of metal material component.
7. a kind of medium-speed pulverizer hydraulic cylinder according to claim 1 and accumulator connection structure, which is characterized in that described
Pedestal（1）Including the first pedestal, the lower surface of first pedestal is provided with rubber pad, and the lower surface of the rubber pad is provided with
Second pedestal, the pedestal（1）It is bolted to connection with ground.
8. a kind of medium-speed pulverizer hydraulic cylinder according to claim 1 and accumulator connection structure, which is characterized in that described
Supporting rod（6）Lower end and pedestal（1）Upper surface be fixedly connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718551.XA CN108547829A (en) | 2018-06-29 | 2018-06-29 | A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718551.XA CN108547829A (en) | 2018-06-29 | 2018-06-29 | A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108547829A true CN108547829A (en) | 2018-09-18 |
Family
ID=63493319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810718551.XA Withdrawn CN108547829A (en) | 2018-06-29 | 2018-06-29 | A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547829A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63199938A (en) * | 1987-02-12 | 1988-08-18 | Bridgestone Corp | Vibration-proof supporting device |
| CN101474585A (en) * | 2009-01-19 | 2009-07-08 | 北京博希格动力技术有限公司 | Spring oscillation damping pull rod of coal mill |
| CN202158960U (en) * | 2011-07-10 | 2012-03-07 | 太原科技大学 | Rolling mill oil film bearing integrated testing stand |
| CN103291664A (en) * | 2013-06-06 | 2013-09-11 | 王健 | Hydraulic buffering driving and buffering braking device |
| CN203556444U (en) * | 2013-10-12 | 2014-04-23 | 马鞍山市荣亿密封材料有限责任公司 | Rotation dustproof device for milling roller of medium speed mill |
| CN203972007U (en) * | 2014-07-25 | 2014-12-03 | 北京电力设备总厂 | A kind of coal pulverizer hydraulic pressure turns over roller arrangement |
| CN104549662A (en) * | 2013-10-23 | 2015-04-29 | 上海重型机器厂有限公司 | Loading device for supporting rod of spiral propeller of double-in and double-out steel-ball coal mill and tooling of loading device |
| CN204685696U (en) * | 2015-06-05 | 2015-10-07 | 嘉兴学院 | A kind of high-frequency flutter cold extruding die device |
| CN105019455A (en) * | 2015-08-17 | 2015-11-04 | 中机锻压江苏股份有限公司 | Inner impact type pipe-driven pile hammer |
| CN205592223U (en) * | 2016-04-22 | 2016-09-21 | 山西漳山发电有限责任公司 | Adopt novel sealing device's ZGM113 medium speed pulverizer pneumatic cylinder |
| KR20170057547A (en) * | 2015-11-17 | 2017-05-25 | 주식회사 라온테크 | Vibration Proofing Device |
| CN206720659U (en) * | 2017-03-16 | 2017-12-08 | 安徽理工大学 | A kind of electrified horizontal support lifting platform |
| CN107840221A (en) * | 2017-12-19 | 2018-03-27 | 江西亿康云谷自动化设备有限公司 | A kind of hydraulic elevator buffer |
| CN208619458U (en) * | 2018-06-29 | 2019-03-19 | 神华国华广投（柳州）发电有限责任公司 | A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure |
-
2018
- 2018-06-29 CN CN201810718551.XA patent/CN108547829A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63199938A (en) * | 1987-02-12 | 1988-08-18 | Bridgestone Corp | Vibration-proof supporting device |
| CN101474585A (en) * | 2009-01-19 | 2009-07-08 | 北京博希格动力技术有限公司 | Spring oscillation damping pull rod of coal mill |
| CN202158960U (en) * | 2011-07-10 | 2012-03-07 | 太原科技大学 | Rolling mill oil film bearing integrated testing stand |
| CN103291664A (en) * | 2013-06-06 | 2013-09-11 | 王健 | Hydraulic buffering driving and buffering braking device |
| CN203556444U (en) * | 2013-10-12 | 2014-04-23 | 马鞍山市荣亿密封材料有限责任公司 | Rotation dustproof device for milling roller of medium speed mill |
| CN104549662A (en) * | 2013-10-23 | 2015-04-29 | 上海重型机器厂有限公司 | Loading device for supporting rod of spiral propeller of double-in and double-out steel-ball coal mill and tooling of loading device |
| CN203972007U (en) * | 2014-07-25 | 2014-12-03 | 北京电力设备总厂 | A kind of coal pulverizer hydraulic pressure turns over roller arrangement |
| CN204685696U (en) * | 2015-06-05 | 2015-10-07 | 嘉兴学院 | A kind of high-frequency flutter cold extruding die device |
| CN105019455A (en) * | 2015-08-17 | 2015-11-04 | 中机锻压江苏股份有限公司 | Inner impact type pipe-driven pile hammer |
| KR20170057547A (en) * | 2015-11-17 | 2017-05-25 | 주식회사 라온테크 | Vibration Proofing Device |
| CN205592223U (en) * | 2016-04-22 | 2016-09-21 | 山西漳山发电有限责任公司 | Adopt novel sealing device's ZGM113 medium speed pulverizer pneumatic cylinder |
| CN206720659U (en) * | 2017-03-16 | 2017-12-08 | 安徽理工大学 | A kind of electrified horizontal support lifting platform |
| CN107840221A (en) * | 2017-12-19 | 2018-03-27 | 江西亿康云谷自动化设备有限公司 | A kind of hydraulic elevator buffer |
| CN208619458U (en) * | 2018-06-29 | 2019-03-19 | 神华国华广投（柳州）发电有限责任公司 | A kind of medium-speed pulverizer hydraulic cylinder and accumulator connection structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20180918 |