CN106762939A - A kind of hydraulic structure for controlling clamping drill bit of drilling machine - Google Patents

A kind of hydraulic structure for controlling clamping drill bit of drilling machine Download PDF

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Publication number
CN106762939A
CN106762939A CN201611110929.5A CN201611110929A CN106762939A CN 106762939 A CN106762939 A CN 106762939A CN 201611110929 A CN201611110929 A CN 201611110929A CN 106762939 A CN106762939 A CN 106762939A
Authority
CN
China
Prior art keywords
cylinder
drill bit
piston
drilling machine
piston 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.)
Pending
Application number
CN201611110929.5A
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 CN201611110929.5A priority Critical patent/CN106762939A/en
Publication of CN106762939A publication Critical patent/CN106762939A/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
    • 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
    • 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
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces

Abstract

The invention discloses a kind of hydraulic structure for controlling clamping drill bit of drilling machine,Including cylinder barrel,Cylinder bottom,Piston and piston rod,Connected using welding manner between the cylinder barrel and cylinder bottom,Composition rodless cavity cavity,Compared with rod-pulling type hydraulic cylinder,Not only there is the dimensional space needed for reducing screw-nut,Make its simple structure,The advantages of small in volume,And it is aging to solve cylinder bottom end seal,Or the cylinder bottom external leakage that some other reasons cause,Cylinder bottom outer wall is provided with stacking type hydraulic control check valve,Enable hydraulic cylinder pressurize when drill bit is clamped,Piston is provided with pressure-control valve,Piston rod movement can be controlled,And then chucking power during control hydraulic cylinder clamping cutter,Hydraulic cylinder works are frequent,Working environment is more in open work,And maintenance condition is poor,Improve mobile hydraulic cylinder stability,Fairlead uses high-strength cast iron,Avoid the generation of quality accident.

Description

A kind of hydraulic structure for controlling clamping drill bit of drilling machine
Technical field
The present invention relates to a kind of mechanical transmission mechanism, and in particular to a kind of hydraulic pressure knot for controlling clamping drill bit of drilling machine Structure.
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 Apparatus and direction 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 without drive gap, stable movement, therefore be used widely in the hydraulic system of various machineries.But, apply in folder Hold in the hydraulic cylinder of drill bit, for the bad control of pressure for clamping drill bit, pressure is excessive easily by tool damage, and pressure is too small again The loosening of drill bit is easily caused, and hydraulic cylinder is long-term poor in operation of appearing, and maintenance condition, easily causes quality thing Therefore generation.
The content of the invention
The technical problems to be solved by the invention are hydraulic cylinders when drill bit of drilling machine is clamped, and the pressure for clamping drill bit is needed Keep constant, and clamping drill bit pressure can neither it is excessive can not be too small, and hydraulic cylinder works frequently, working environment It is how poor in open work, and maintenance condition, easily influence the stability of hydraulic cylinder, it is therefore intended that provide a kind of for controlling The hydraulic structure of system clamping drill bit of drilling machine, solves problem described above.
The present invention is achieved through the following technical solutions:
A kind of hydraulic structure for controlling clamping drill bit of drilling machine, including cylinder barrel, piston rod, piston and cylinder bottom, it is described Piston rod is assemblied in cylinder barrel, and piston is connected with piston rod, it is characterised in that:Pass through welding manner between the cylinder barrel and cylinder bottom Connection, cylinder bottom outer wall is provided with hydraulic control one-way valve, some grasping force control devices is provided with piston.
Further, support ring and rectangular seal are additionally provided between the cylinder barrel and piston, support ring is two, branch Pushing out ring and rectangular seal are enclosed within piston, and rectangular seal is located between support ring.
Further, the piston is provided with cover plate, and cover plate is connected with pressure-control valve..
Further, it is provided with fairlead between the cylinder barrel and piston rod.
Further, the sealing of dust ring, UN shape sealing rings and stairstepping is additionally provided between the fairlead and piston rod Circle, towards piston direction, dust ring, UN shape sealing rings, ladder shape sealing ring are sequentially sleeved on piston rod.
Further, be additionally provided with baffle ring, hole card and O-ring seals between the fairlead and cylinder barrel, baffle ring, hole card with And O-ring seals are sequentially sleeved on fairlead towards piston rod shrinkage direction.
Further, the grasping force control device is made up of pressure-control valve.
Further, the fairlead is cast iron quality.
The present invention compared with prior art, has the following advantages and advantages:
1st, a kind of hydraulic structure for controlling clamping drill bit of drilling machine of the present invention, is provided with stacking type hydraulic control unidirectional in hydraulic cylinder Valve, can make hydraulic cylinder pressurize when drill bit is clamped;
2nd, a kind of hydraulic structure for controlling clamping drill bit of drilling machine of the present invention, grasping force control device can adjust hydraulic pressure The size of power, meets the clamping of different drill bits during cylinder clamping drill bit;
3rd, a kind of hydraulic structure for controlling clamping drill bit of drilling machine of the present invention, cylinder bottom and cylinder barrel are constituted using welding manner Rodless cavity cavity, the dimensional space needed for can reducing screw-nut makes its simple structure, small in volume, and can solve Cylinder bottom end seal is aging, or the cylinder bottom external leakage that some other reasons cause;
4th, a kind of hydraulic structure for controlling clamping drill bit of drilling machine of the present invention, clamping hydraulic cylinder work is frequent, building ring Border is how poor in open work, and maintenance condition, and the material for being directed to set is changed to high-strength cast iron by steel part, improves movement Hydraulic cylinder stability, it is to avoid the generation of quality accident.
Brief 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.
Mark and corresponding parts title in accompanying drawing:
1- piston rods, 2- dust rings, 3- axle bumpers, 4- baffle rings, 5-UN shape sealing rings, 6- holes card, 7- nameplates, 8- superposing type liquid Control check valve, 9-O shape circles, 10- ladder shape sealing rings, 11- fairleads, 12- cylinder barrels, 13- cover plates, 14- support rings, 15- cylinder bottoms, 16- rectangular seals, 17- pistons, 18- pressure-control valves.
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 exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make It is limitation of the invention.
Embodiment
As shown in figure 1, a kind of hydraulic structure for controlling clamping drill bit of drilling machine of the present invention, including cylinder barrel 12, piston rod 1st, piston 17 and cylinder bottom 15, the piston rod 1 are arranged in cylinder barrel 12, and piston rod 1 is connected with piston 17, cylinder barrel 12 and cylinder bottom Connected by way of welding between 15, cylinder barrel 12 constitutes rodless cavity cavity with cylinder bottom 15, compared to traditional rod-pulling type hydraulic cylinder Compare, adopt the dimensional space needed for not only can reducing screw-nut in this way, make its simple structure, small in volume And can also solve that the end seal of cylinder bottom 15 is aging, or the cylinder bottom 15 that some other reasons cause is leaked;The outer wall of cylinder bottom 15 sets There is stacking type hydraulic control check valve 8, the stacking type hydraulic control check valve 8 is prior art, can bought on the market, existing guiding valve Formula reversal valve has clearance leakage phenomenon, can only short time pressurize, and use stacking type hydraulic control check valve 8, hydraulic pressure can be kept The lengthy pressure of cylinder is constant so that hydraulic cylinder can pressurize when drill bit of drilling machine is clamped;Three are provided with the piston 17 Pressure-control valve 18, pressure-control valve 18 is by solenoid valve block into magnetic valve is also prior art, can be commercially available, electromagnetism Have closed chamber in valve, diverse location be provided with through hole, different oil pipes are led in each hole, are valve in the middle of chamber, and two sides is Which side two blocks of electromagnet, the magnet coil energization valve body in which face will be attracted to, lived come shelves by the movement of application valve body or Expose the hole of different oil extractions, and fuel feed hole is normally opened, hydraulic oil will enter different oil exit pipes, then by the pressure of oil Power promotes the piston 17 of cylinder barrel 12, piston 17 to drive piston rod 1 again, and piston rod 1 drives clamping device motion, so by controlling The electric current of electromagnet processed just controls the movement velocity of clamping device, and then controls clamping device to the big of drill bit chucking power It is small, it is to avoid the excessive damage to drill bit of chucking power, loosening that is too small and easily causing drill bit;Also set between cylinder barrel 12 and piston 17 There are two support rings 14 and rectangular seal 16, support ring 14 and rectangular seal 16 are enclosed within piston 17, and rectangle is close Seal 16 is located between two support rings 14, is additionally provided with cover plate 13 between piston 17 and pressure-control valve 18, the cylinder barrel 12 with Fairlead 11 is provided between piston rod 1, piston rod 1 is interspersed in fairlead 11, frequently, working environment is more in dew for hydraulic cylinder works Its operation, and maintenance condition is poor, therefore is directed to the material of set 11 and is changed to high-strength cast iron by steel part, improves and moves liquid Cylinder pressure stability, it is to avoid the generation of quality accident, the effect of fairlead 11 is to prevent piston 17 and the direct friction of cylinder barrel 12, is oriented to Set 11 and piston rod 1 between be additionally provided with dust ring 2, UN shape sealing rings 5 and ladder shape sealing ring 10 improve fairlead 11 with Sealing between piston rod 1, dust ring 2, UN shape sealing rings 5, ladder shape sealing ring 10 are sequentially sleeved in towards the direction of piston 17 On piston rod 1, baffle ring 4, hole card 6 and O-ring seals 9, baffle ring 4, hole card 6 are additionally provided between the fairlead 11 and cylinder barrel 12 And the direction that O-ring seals 9 shrink towards piston rod 1 is sequentially sleeved on fairlead 11, fairlead 11 and cylinder are further improved Sealing between cylinder 12, is additionally provided with axle bumper 3 on the fairlead 11, and axle bumper 3 presses cylinder body 12, the outer wall of cylinder barrel 12 On be additionally provided with nameplate 7, for some technical data in the case of recording manufacturer and nominal operation, for it is proper use of without Cause damage equipment.
Above-described specific 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 and the foregoing is only specific embodiment of the invention, be 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. it is a kind of for control clamping drill bit of drilling machine hydraulic structure, including cylinder barrel (12), piston rod (1), piston (17) and Cylinder bottom (15), it is characterised in that:The piston rod (1) is assemblied in cylinder barrel (12), and piston (17) is connected with piston rod (1), institute State and welded between cylinder barrel (12) and cylinder bottom (15), cylinder bottom (15) outer wall is provided with stacking type hydraulic control check valve (8), and piston sets on (17) There are some pressure-control valves (18).
2. it is according to claim 1 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:The cylinder Support ring (14) and rectangular seal (16) are additionally provided between cylinder (12) and piston (17), support ring (14) is two, support Ring (14) and rectangular seal (16) are enclosed within piston (17), and rectangular seal (16) is between support ring (14).
3. it is according to claim 1 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:The work Plug (17) is provided with cover plate (13), and cover plate (13) is connected with pressure-control valve (18).
4. it is according to claim 1 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:The cylinder Fairlead (11) is provided between cylinder (12) and piston rod (1), piston rod (1) is interspersed in fairlead (11).
5. it is according to claim 4 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:It is described to lead Dust ring (2), UN shape sealing rings (5) and ladder shape sealing ring (10) are additionally provided between set (11) and piston rod (1), it is dust-proof Circle (2), UN shape sealing rings (5), ladder shape sealing ring (10) are sequentially sleeved on piston rod (1) towards piston (17) direction.
6. it is according to claim 4 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:It is described to lead Hole card (6) and O-ring seals (9) are additionally provided between set (11) and cylinder barrel (12), baffle ring (4), hole card (6) and O shapes are close Seal (9) is sequentially sleeved on fairlead (11) towards piston rod (1) shrinkage direction.
7. it is according to claim 1 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:The pressure Force control valve (18) by solenoid valve block into.
8. it is according to claim 4 it is a kind of for control clamping drill bit of drilling machine hydraulic structure, it is characterised in that:It is described to lead It is cast iron quality to set (11).
CN201611110929.5A 2016-12-06 2016-12-06 A kind of hydraulic structure for controlling clamping drill bit of drilling machine Pending CN106762939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611110929.5A CN106762939A (en) 2016-12-06 2016-12-06 A kind of hydraulic structure for controlling clamping drill bit of drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611110929.5A CN106762939A (en) 2016-12-06 2016-12-06 A kind of hydraulic structure for controlling clamping drill bit of drilling machine

Publications (1)

Publication Number Publication Date
CN106762939A true CN106762939A (en) 2017-05-31

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Application Number Title Priority Date Filing Date
CN201611110929.5A Pending CN106762939A (en) 2016-12-06 2016-12-06 A kind of hydraulic structure for controlling clamping drill bit of drilling machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108799251A (en) * 2018-07-10 2018-11-13 芜湖岭上信息科技有限公司 Dismounting auxiliary device is installed and used and cleans for hydraulic cylinder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102023A (en) * 1985-02-28 1986-09-24 株式会社丰田自动织机制作所 Hydraulic shift cylinders with buffer traffic control valve device
EP0433955A1 (en) * 1989-12-21 1991-06-26 Pacoma Hydraulik Gmbh Fluid actuator with locking means
CN2344438Y (en) * 1998-11-27 1999-10-20 徐州工程机械集团有限公司徐州工程机械研究所 Pressure autocompensation locking hydraulic cylinder
CN2851679Y (en) * 2005-09-30 2006-12-27 北京市液压技术研究所 Hydraulic cylinder with mechanical lock
JP2008025743A (en) * 2006-07-21 2008-02-07 Yamada Seisakusho Co Ltd Hydraulic locking device
CN205078547U (en) * 2015-10-10 2016-03-09 泸州长江液压密封件有限公司 Pneumatic cylinder of tip area hydraulic pressure lock
CN206234196U (en) * 2016-12-06 2017-06-09 泸州长江液压密封件有限公司 There is the hydraulic cylinder of self-compensating pressure function during clamping drill bit of drilling machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102023A (en) * 1985-02-28 1986-09-24 株式会社丰田自动织机制作所 Hydraulic shift cylinders with buffer traffic control valve device
EP0433955A1 (en) * 1989-12-21 1991-06-26 Pacoma Hydraulik Gmbh Fluid actuator with locking means
CN2344438Y (en) * 1998-11-27 1999-10-20 徐州工程机械集团有限公司徐州工程机械研究所 Pressure autocompensation locking hydraulic cylinder
CN2851679Y (en) * 2005-09-30 2006-12-27 北京市液压技术研究所 Hydraulic cylinder with mechanical lock
JP2008025743A (en) * 2006-07-21 2008-02-07 Yamada Seisakusho Co Ltd Hydraulic locking device
CN205078547U (en) * 2015-10-10 2016-03-09 泸州长江液压密封件有限公司 Pneumatic cylinder of tip area hydraulic pressure lock
CN206234196U (en) * 2016-12-06 2017-06-09 泸州长江液压密封件有限公司 There is the hydraulic cylinder of self-compensating pressure function during clamping drill bit of drilling machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108799251A (en) * 2018-07-10 2018-11-13 芜湖岭上信息科技有限公司 Dismounting auxiliary device is installed and used and cleans for hydraulic cylinder
CN108799251B (en) * 2018-07-10 2019-11-29 浙江迈兴机械股份有限公司 Dismounting auxiliary device is installed and used and cleaned for hydraulic cylinder

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Application publication date: 20170531