CN106593987A - Supporting device convenient to adjust worktable height - Google Patents

Supporting device convenient to adjust worktable height Download PDF

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Publication number
CN106593987A
CN106593987A CN201611113211.1A CN201611113211A CN106593987A CN 106593987 A CN106593987 A CN 106593987A CN 201611113211 A CN201611113211 A CN 201611113211A CN 106593987 A CN106593987 A CN 106593987A
Authority
CN
China
Prior art keywords
cylinder barrel
piston
cylinder
piston rod
ring
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.)
Pending
Application number
CN201611113211.1A
Other languages
Chinese (zh)
Inventor
袁祖辉
何运清
李代军
徐华明
颜新东
黄俊明
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.)
Luzhou Changjiang Hydraulic Sealing Port Co Ltd
Original Assignee
Luzhou Changjiang Hydraulic Sealing Port 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.)
Filing date
Publication date
Application filed by Luzhou Changjiang Hydraulic Sealing Port Co Ltd filed Critical Luzhou Changjiang Hydraulic Sealing Port Co Ltd
Priority to CN201611113211.1A priority Critical patent/CN106593987A/en
Publication of CN106593987A publication Critical patent/CN106593987A/en
Pending legal-status Critical Current

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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
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • 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
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1428Cylinders
    • 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
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1447Pistons; Piston to piston rod assemblies
    • F15B15/1452Piston sealings
    • 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
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1457Piston rods
    • F15B15/1461Piston rod sealings
    • 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
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1471Guiding means other than in the end cap
    • 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
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1485Special measures for cooling or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)

Abstract

The invention discloses a supporting device convenient to adjust worktable height. The supporting device comprises a cylinder barrel, a piston, a piston rod and a cylinder bottom, wherein the cylinder bottom is welded to the cylinder barrel to form a head port body. Compared with a pulling rod type hydraulic cylinder, the supporting device has the advantages that the scale space for nuts and bolts can be reduced, so that the structure is simple, the size is small, and the weight is light; in addition, the ageing of a sealing part at the bottom end of the cylinder or other reasons leading to the leaking in the outside of the bottom of the cylinder can be avoided; a guide sleeve is manufactured through high-strength cast iron, so that the service life of the guide sleeve used in a severe environment can be prolonged; in addition, a sealing ring is arranged between the guide sleeve and the piston rod, so that hydraulic oil in the cylinder barrel cannot leak while the cylinder is used in the severe environment; an XY type sealing ring is arranged between the piston and the cylinder barrel, so that the hydraulic cylinder is high in sealing performance under low pressure; an air inlet, an air exhaust port and an empty chamber are formed in the cylinder barrel; low-temperature fluid is conveyed to the air inlet so as to effectively reduce the heat generated on the contact surface of the piston and a cylinder body.

Description

It is conveniently adjusted the support meanss of bench height
Technical field
The present invention relates to a kind of mechanical transmission mechanism, and in particular to be conveniently adjusted the support meanss of bench height.
Background technology
Hydraulic drive has the advantages that many protrusions, therefore its application is widely, such as the plastic processing of general industry Machinery, press, lathe etc.;Engineering machinery, building machinery, agricultural machinery, automobile in walking machine etc.;Steel and iron industry is used Metallurgical machinery, lifting device, roll adjusting device etc.;The flood gate and dam installation of building hydraulic engineering, riverbed liter Falling unit, bridge operating mechanism etc.;Power plant turbine arrangements for speed regulation, nuclear power plant etc.;The deck crane tool of ship (winch), fore door, bulkhead valve, stern propeller etc.;The huge antenna control device of special technique, measurement buoy, lifting Revolving stage etc.;The cannon manipulation device of war industry, ship stabilizer, aerial vehicle simulation, the folding and unfolding of undercarriage Device and rudder control device etc..Hydraulic cylinder be by hydraulic energy be changed into mechanical energy, do straight reciprocating motion (or swing fortune It is dynamic) hydraulic actuator, its simple structure, reliable operation, when being realized moving back and forth with it, can remove deceleration device from, and And no drive gap, stable movement, therefore be used widely in the hydraulic system of various machineries.Core-drill(ing) machine is applied to Tunnel, gallery engineering drilling, geologic province generaI investigation;It is also applied for the engineering geology such as building, hydroelectric project, highway, railway, harbour Reconnoitre, miniature pile foundation hole drilling etc., therefore, the environment that core-drill(ing) machine usually works is more severe, and Jing is often in operation of appearing, work And its frequently, and maintenance condition is poor, the hydraulic cylinder in core-drill(ing) machine, due to being affected by adverse circumstances, And maintenance is inconvenient, Jing is often susceptible to hydraulic cylinder and leaks great quality accident, has influence on the process of engineering;Hydraulic system Heating be hydraulic system a big persistent ailment, for this problem, the loop of hydraulic system is often provided with radiator by hydraulic pressure Oil is cooled down, and reaches the purpose to whole system cooling, but in hydraulic cylinder, piston is rubbed back and forth with the contact surface of cylinder barrel The maximum pyrotoxin for causing, hydraulic oil cannot be introduced into wherein due to contact surface closely, cause radiating difficult, and heat concentrates on cylinder In cylinder, sealing ring can be caused aging, piston accelerated wear test affects the normal work of piston rod.
The content of the invention
The technical problem to be solved is often worked under more rugged environment due to core-drill(ing) machine Jing, usually Open work is exposed to the sun and rain, and work is frequent, and as work under bad environment, work are frequent, the fairlead inside hydraulic cylinder easily grinds Damage, and cause to contact between fairlead and piston rod, pull piston rod and fairlead, the great quality accident of draining, piston occur Friction between cylinder barrel causes the temperature in hydraulic system higher, and internal heat is not easy to shed, and causes sealing ring to accelerate It is aging, affect sealing, it is therefore intended that offer is conveniently adjusted the support meanss of bench height, solve problem above.
The present invention is achieved through the following technical solutions:
It is conveniently adjusted the support meanss of bench height, including cylinder barrel, piston, piston rod, cylinder bottom, the piston rod assembling In cylinder barrel, piston rod one end is connected in piston, and piston is located in cylinder barrel, and piston rod can be movable in cylinder barrel with piston, Cylinder barrel is welded with cylinder bottom, forms rodless cavity cavity, fairlead is provided with cylinder barrel, and cylinder barrel is externally provided with nut, and nut is passed through with cylinder barrel It is threadedly coupled, and nut is directed to set and is fixed in cylinder barrel, convenient disassembly during maintenance, piston rod is interspersed in guiding successively In set and nut, fairlead prevents piston rod from directly contacting with cylinder barrel, and two XY type sealing rings, XY are provided between cylinder barrel and piston Type sealing ring is enclosed within piston, improves the sealing between cylinder barrel and piston, prevents the oil leakage in cylinder barrel, cylinder barrel side Wall is provided with air inlet and air vent, and cavity is provided with inner wall of cylinder, and air inlet and air vent are connected with cavity.
Further, it is additionally provided with support ring between the piston and cylinder barrel, support ring is primarily subjected to piston and piston rod Weight, ensures that piston is not contacted with cylinder barrel during piston movement, and support ring is located between two XY type sealing rings, set On piston.
Further, the first O-ring is provided between the piston and piston rod, the sealing between piston and piston rod is improved Property, preventing draining, the first O-ring covers on the piston rod.
Further, notch cuttype sealing ring and U-shaped sealing ring are provided between the fairlead and piston rod, sealing is improved Property, notch cuttype sealing ring and U-shaped sealing ring stretch out towards piston rod and be sequentially sleeved on piston rod outside direction.
Further, the second O-ring is provided between the fairlead and cylinder barrel, the second O-ring is enclosed within fairlead.
Further, dust ring is provided between the nut and piston rod, dust ring can effectively prevent introduced contaminants Enter in cylinder barrel, dust ring covers on the piston rod.
Further, the fairlead adopts cast iron quality, strengthens the intensity of fairlead.
Further, the cavity inner wall is provided with one layer of fin made of copper, accelerates the radiating to cylinder barrel.
The present invention compared with prior art, has the following advantages and advantages:
1st, the present invention is conveniently adjusted the support meanss of bench height, and cylinder bottom constitutes rodless cavity using welding manner with cylinder barrel Cavity, not only reduces the dimensional space needed for screw-nut so as to simple structure, body compared with traditional rod-pulling type hydraulic cylinder Product is little lightweight, and solves the problems, such as the aging draining for causing of cylinder bottom end seal;
2nd, the present invention is conveniently adjusted the support meanss of bench height, and fairlead adopts high-strength cast iron, in bad environments Under conditions of frequent operation, the service life of fairlead can be extended, nut is pressed on fairlead in cylinder barrel, it is convenient to maintain Maintenance;
3rd, the present invention is conveniently adjusted the support meanss of bench height, and multiple YX types sealings are provided between piston and cylinder barrel Circle, in low pressure, pressurize, improves the sealing between piston and cylinder barrel;
4th, the present invention is conveniently adjusted the support meanss of bench height, and the heat transfer that cylinder barrel is produced is to radiating made of copper Piece, imports the fluid of low temperature in air inlet, and the fluid of low temperature rapidly takes away the heat on fin, then discharges from gas outlet, So as to reduce the heat of cylinder barrel generation, certain cooling effect is played to hydraulic system.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Labelling and corresponding parts title in accompanying drawing:
1- cylinder bottoms, 2-XY type sealing rings, the first O-rings of 3-, 4- support rings, 5- pistons, 6- cylinder barrels, 7- piston rods, 8- are led To set, 9- notch cuttype sealing rings, the second O-rings of 10-, 11-U type sealing rings, 12- nuts, 13- dust rings, 14- air inlets, 15- Cavity, 16- air vents.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and the exemplary embodiment of the present invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment
As shown in figure 1, the present invention is conveniently adjusted the support meanss of bench height, including cylinder barrel 6, piston 5, piston rod 7 And cylinder bottom 1, the cylinder bottom 1 constitutes rodless cavity cavity with 6 welding manner of cylinder barrel, and cylinder barrel 6 is externally provided with ring flange, and ring flange is square Shape shape, compares traditional circular flange using rectangular shape, the characteristics of take up room little, compared with rod-pulling type hydraulic cylinder Not only reduce the dimensional space needed for screw-nut so as to simple structure, small volume, lightweight, and also solve cylinder bottom 1 End seal is aging, or the problem of 1 draining of cylinder bottom that other reasons cause, and the piston rod 7 is assemblied in cylinder barrel with piston 5 In 6, and 7 one end of piston rod is inserted in piston 5, and the first O-ring 3, the first O-ring 3 are provided between piston 5 and piston rod 7 It is enclosed within piston rod 7, the first O-ring 3 increased the sealing between piston 5 and piston rod 7, piston rod 7 can band piston 5 one The activity in cylinder barrel 6 is played, XY types sealing ring 2 and support ring 4 between piston 5 and cylinder barrel 6, is provided with, XY types sealing ring 2 is two, point Not Wei Yu support ring 4 both sides, XY types sealing ring 2 is enclosed within piston 5 with support ring 4, support ring 4 be primarily subjected to piston 5 with The weight of cylinder barrel 6, piston 5 is in the cylinder barrel 6 during activity, it is ensured that piston 5 is not contacted with cylinder barrel 6, two XY type sealing rings of setting 2, the sealing between piston 5 and cylinder barrel 6 is improve, and also effectively can be kept between piston 5 and cylinder barrel 6 in low pressure Sealing, is additionally provided with fairlead 8 in the cylinder barrel 6, fairlead 8 is located at the port of cylinder barrel 6 and goes out, and fairlead 8 is cast using high intensity Ferrum, extends the service life in the presence of a harsh environment of fairlead 8, and cylinder barrel 6 is externally provided with nut 12, and nut 12 passes through screw thread with cylinder barrel 6 Connect, and nut 12 is directed to set 8 and is fixed in cylinder barrel 6,12 compressing guide sleeve 8 of nut, as Jing is often in operation of appearing, day Solarization drenches with rain, therefore at the screw thread of nut 12 and cylinder barrel 6 applies one layer of butter, prevents screw-thread rust, convenient during maintenance to dismantle, Piston rod 7 is interspersed in fairlead 8 and nut 12 successively, and notch cuttype sealing ring 9 and U-shaped is provided between piston rod 7 and fairlead 8 Sealing ring 11, notch cuttype sealing ring 9 and U-shaped sealing ring 11 are sequentially sleeved on piston rod 7 from the inside to the outside, notch cuttype sealing ring 9 and U Type sealing ring 11 can be provided with the second O-ring 10, the 2nd O effectively by oil seal in cylinder barrel 6 between fairlead 8 and cylinder barrel 6 Shape circle 10 is enclosed within fairlead 8, and the second O-ring 10 prevents hydraulic oil clearance leakage between fairlead 8 and cylinder barrel 6 from going out, living Dust ring 13 is provided between stopper rod 7 and nut 12, dust ring 13 is enclosed within piston rod 7, and dust ring 13 prevents introduced contaminants from passing through Gap between piston rod 7 and nut 12 is entered in cylinder barrel 6;Air inlet 14 and aerofluxuss are additionally provided with the side wall of the cylinder barrel 6 Mouth 16, is provided with cavity 15, the 15 close inwall side contacted with piston 5 of cavity, and air inlet 14 and row in the inwall of cylinder barrel 6 QI KOU 16 is connected with cavity 15, and the inwall of cavity 15 is provided with one layer of fin made of copper, and fin is prior art, can be Purchase gained on market, when the activity in cylinder barrel 6 of piston 5, piston 5 will produce substantial amounts of heat with the friction of cylinder body 6, this A little accumulation of heat in cylinder barrel 6 are transferred on the fin on 15 inwall of cavity, the fluid of low temperature are passed through at air inlet 14, It can also be air that fluid can be water, easily obtain from one's side, and fluid enters to cavity 15, the stream of low temperature from air inlet 14 Body will take away the amount of heat being transferred on fin, then be discharged to the external world by air vent 16, continuously to air inlet Mouth 14 is passed through the fluid of low temperature, can effectively reduce the temperature of piston 5 and 6 contact surface of cylinder barrel, hydraulic system is cooled down, Protection piston 5, XY types sealing ring 2 are against damages, in the case of overall specification is immovable, extend the service life of hydraulic cylinder.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, the be should be understood that specific embodiment that the foregoing is only the present invention is not intended to limit the present invention Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include Within protection scope of the present invention.

Claims (8)

1. the support meanss of bench height, including cylinder barrel (6), piston (5), piston rod (7), cylinder bottom (1) are conveniently adjusted, and which is special Levy and be:The piston rod (5) is assemblied in cylinder barrel (6), and piston rod (7) one end is connected in piston (5), and piston (5) is located at In cylinder barrel (6), cylinder barrel (6) is welded with cylinder bottom (1), is provided with fairlead (8) in cylinder barrel (6), and cylinder barrel (6) is externally provided with nut (12), Nut (12) is threaded connection with cylinder barrel (6), and nut (12) is directed to set (8) and is fixed in cylinder barrel (6), piston rod (7) it is interspersed in successively in fairlead (8) and nut (12), between cylinder barrel (6) and piston (5), is provided with two XY type sealing rings (2), XY type sealing rings (2) is enclosed within piston (5), and cylinder barrel (6) side wall is provided with air inlet (14) and air vent (16), cylinder barrel (6) Cavity (15) is provided with wall, air inlet (14) and air vent (16) are connected with cavity (15).
2. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The piston (5) Support ring (4) is additionally provided between cylinder barrel (1), and support ring (4) is also enclosed within work between two XY type sealing rings (2) On plug (5).
3. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The piston (5) The first O-ring (3) is provided between piston rod (7), the first O-ring (3) is enclosed within piston rod (7).
4. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The fairlead (8) notch cuttype sealing ring (9) and U-shaped sealing ring (11), notch cuttype sealing ring (9) and U-shaped sealing are provided with and piston rod (7) between Circle (11) stretches out direction towards piston rod (7) and is sequentially sleeved on piston rod (7).
5. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The fairlead (8) the second O-ring (10) is provided with and cylinder barrel (6) between, the second O-ring (10) is enclosed within fairlead (8).
6. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The nut (12) Dust ring (13) is provided between piston rod (7), dust ring (13) is enclosed within piston rod (7).
7. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The fairlead (8) adopt cast iron quality.
8. support meanss for being conveniently adjusted bench height according to claim 1, it is characterised in that:The cavity (15) Inwall is provided with one layer of fin made of copper.
CN201611113211.1A 2016-12-07 2016-12-07 Supporting device convenient to adjust worktable height Pending CN106593987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611113211.1A CN106593987A (en) 2016-12-07 2016-12-07 Supporting device convenient to adjust worktable height

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611113211.1A CN106593987A (en) 2016-12-07 2016-12-07 Supporting device convenient to adjust worktable height

Publications (1)

Publication Number Publication Date
CN106593987A true CN106593987A (en) 2017-04-26

Family

ID=58597230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611113211.1A Pending CN106593987A (en) 2016-12-07 2016-12-07 Supporting device convenient to adjust worktable height

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108006000A (en) * 2017-12-29 2018-05-08 蚌埠液力机械有限公司 A kind of piston mounting structure for forklift portal tilt cylinder
CN112268033A (en) * 2020-09-21 2021-01-26 蚌埠隆华压铸机有限公司 Internal leakage prevention device for hydraulic system of die casting machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331884A (en) * 1992-06-04 1994-07-26 Ando Seisakujo Co., Ltd. Fluid cylinder with cooling passages
CN202031907U (en) * 2011-02-25 2011-11-09 合肥合锻机床股份有限公司 Oil cylinder of a medium-small hydraulic press
CN204755472U (en) * 2015-06-18 2015-11-11 沧州绿源水处理有限公司 Quick refrigerated cylinder
CN105782158A (en) * 2014-12-21 2016-07-20 天津峰盛工贸发展有限公司 Heat dissipation hydraulic cylinder
CN205559416U (en) * 2016-04-13 2016-09-07 乌鲁木齐市金狮液压气动制造有限公司 Water cooling hydro -cylinder
CN206234198U (en) * 2016-12-07 2017-06-09 泸州长江液压密封件有限公司 Suitable for the support equipment of all-hydraulic tunnel drilling rig

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331884A (en) * 1992-06-04 1994-07-26 Ando Seisakujo Co., Ltd. Fluid cylinder with cooling passages
CN202031907U (en) * 2011-02-25 2011-11-09 合肥合锻机床股份有限公司 Oil cylinder of a medium-small hydraulic press
CN105782158A (en) * 2014-12-21 2016-07-20 天津峰盛工贸发展有限公司 Heat dissipation hydraulic cylinder
CN204755472U (en) * 2015-06-18 2015-11-11 沧州绿源水处理有限公司 Quick refrigerated cylinder
CN205559416U (en) * 2016-04-13 2016-09-07 乌鲁木齐市金狮液压气动制造有限公司 Water cooling hydro -cylinder
CN206234198U (en) * 2016-12-07 2017-06-09 泸州长江液压密封件有限公司 Suitable for the support equipment of all-hydraulic tunnel drilling rig

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108006000A (en) * 2017-12-29 2018-05-08 蚌埠液力机械有限公司 A kind of piston mounting structure for forklift portal tilt cylinder
CN112268033A (en) * 2020-09-21 2021-01-26 蚌埠隆华压铸机有限公司 Internal leakage prevention device for hydraulic system of die casting machine

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Application publication date: 20170426

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