CN107188076A - A kind of electromechanical jack - Google Patents

A kind of electromechanical jack Download PDF

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Publication number
CN107188076A
CN107188076A CN201710589524.2A CN201710589524A CN107188076A CN 107188076 A CN107188076 A CN 107188076A CN 201710589524 A CN201710589524 A CN 201710589524A CN 107188076 A CN107188076 A CN 107188076A
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CN
China
Prior art keywords
jack
bevel gear
travel switch
inner cylinder
screw 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
CN201710589524.2A
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Chinese (zh)
Other versions
CN107188076B (en
Inventor
郭湘宇
周海燕
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Suzhou Changxi Intelligent Technology Co ltd
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Jiangsu Vocational College of Information Technology
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Priority to CN201710589524.2A priority Critical patent/CN107188076B/en
Publication of CN107188076A publication Critical patent/CN107188076A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/44Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/46Combinations of several jacks with means for interrelating lifting or lowering movements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Transmission Devices (AREA)

Abstract

The present invention discloses a kind of electromechanical jack;The technical problem of solution:Larger radial load and Manual mechanical jack can not be born by manually controlling the bearing height of jack, the big technical problem of labor intensity for the hydraulic jack referred in background technology.The technical scheme of use:A kind of electromechanical jack, including motor, overload-release clutch, planetary reduction gear, screw rod, outer cover, outer barrel, inner cylinder and bottom plate.Advantage:This electromechanical jack, compared with hydraulic jack, reduces the configuration of hydraulic system, larger radial load can be born, while bearing capacity is strong;Compared with Manual mechanical jack, operating efficiency is improved, labor intensity is reduced.

Description

A kind of electromechanical jack
Technical field
The present invention relates to a kind of electromechanical jack.
Background technology
Such as voluntarily hoisting machinery is increase rigidity of vehicle body to engineering truck, and stationarity during increase work is provided with car body both sides Jack.Hydraulic jack and Manual mechanical jack are generally selected, installing hydraulic jack needs to increase hydraulic system, empty Between utilization rate it is not high, hydraulic jack can not bear larger radial load, because engineering machinery working environment can badly reduce oil The service life of envelope, shortens the maintenance cycle of hydraulic jack;Manual mechanical jack is by manually controlling jack Bearing height, labor intensity is big, cannot guarantee that the secure support of engineering truck.
The content of the invention
The technical problems to be solved by the invention are:It can not bear larger for the hydraulic jack referred in background technology Radial load and Manual mechanical jack are by manually controlling the bearing height of jack, the big technical problem of labor intensity.
The design philosophy of the present invention is to control simple, dependable performance, electromechanical easy to maintenance for what engineering truck was provided Jack.Electromechanical jack is mainly used in engineering truck, especially can be by travel switch control electromechanical jack Elongation and remove receipts the limit there is provided can train signal.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of electromechanical jack, including motor, overload-release clutch, planetary reduction gear, screw rod, outer cover, outer barrel, inner cylinder And bottom plate,
Motor couples bevel gear pair by overload-release clutch, and the lower end connection planetary reduction gear of bevel gear pair, outer cover is erected The straight down-set and planetary reduction gear that is fixedly connected housing, screw rod couples planetary reduction gear and in outer cover by spline, Thrust ball bearing is set between screw rod and planetary reduction gear housing, nut is set by screw thread pair on screw rod, inner cylinder is sleeved on It is located at screw rod periphery on nut and inner cylinder is connected firmly by flat key with nut, ball-type hinged-support, ball-type is set in the end of inner cylinder Hinged-support connects firmly bottom plate by pressing plate;Outer sleeve on the inner cylinder and between outer barrel and inner cylinder by Flat dey joint, inside and outside outer barrel Respectively open and feather key is set in the guide groove for making inner cylinder, outer barrel to vertically move, guide groove;
It is provided for sending jack on planetary reduction gear to contact to earth the travel switch that contacts to earth of signal, is set in screw tip Disk spring, disk spring couples the push rod for pressing the travel switch that contacts to earth;
Being provided for sending jack on outer cover can drive a vehicle the feasible car travel switch of control signal, in outer barrel top end The driving trigger ramp that the feasible car travel switch of correspondence is provided for triggering the driving ejector pin on feasible car travel switch is raised;
Be provided for sending on outer cover jack be elongated to extreme position control signal elongation limit travel switch and The receipts limit travel of removing that receipts limit control signal is removed for sending jack is switched, setting up and down on the outer surface of outer barrel to be used for Triggering remove receive limit travel switch remove receive ejector pin remove that to receive trigger ramp raised and for triggering elongation limit travel switch The elongation trigger ramp for extending ejector pin is raised, removes the raised top raised positioned at elongation trigger ramp of receipts trigger ramp and removes and receives tactile Ramp projections are sent out with extending the elongated distance that the distance between trigger ramp projection is jack.
Improvement to technical solution of the present invention, bevel gear pair includes shell, and output bevel gear wheel, first are provided with shell Bevel gear and the second input bevel gear are inputted, the first input bevel gear and the second input bevel gear engage output bevel gear wheel, defeated Go out bevel gear connection planetary reduction gear, the first input bevel gear connection overload-release clutch, the second input bevel gear connection is defeated manually Enter bar.
Improvement to technical solution of the present invention, is arranged on the straight pin swung in ball pivot in ball-type hinged-support.Work as electromechanics When the very heavy top support ground of formula is uneven, straight pin can be swung in the conical bore of ball pivot, adjust base to adapt to ground It is uneven.
Improvement to technical solution of the present invention, sets two end face seal connected oil between planetary reduction gear and screw rod Envelope.Two series connection end face sealed oil seal by jack be divided into above and below two independent oil pockets, so as to respectively be located at upper oil cavitie in Planetary reduction gear and the bolt and nut pair in lower oil cavitie be lubricated.
Improvement to technical solution of the present invention, is respectively provided with sealing between outer cover and outer barrel and between outer barrel and inner cylinder Circle.
Technical solution of the present invention, when multiple electromechanical jack will be supported synchronously, can control an electromechanical jack Electric motor circuit breaking after the travel switch that contacts to earth action, electromechanical jack stops support, after the travel switch that each contacts to earth is acted, electricity Motivation is powered simultaneously, synchronizes support.
Technical solution of the present invention, outer barrel is set in big stroke between outer cover and inner cylinder, the rigidity to increase inner cylinder;Outside The guide groove for making inner cylinder, outer barrel to vertically move respectively is opened inside and outside cylinder.
Planetary reduction gear and overload-release clutch in technical solution of the present invention are routine techniques product of the prior art, It can directly buy acquisition.
Compared with prior art, its advantage is the present invention:
The electromechanical jack of the present invention, compared with hydraulic jack, reduces the configuration of hydraulic system, can bear larger Radial load, while bearing capacity is strong;Compared with Manual mechanical jack, operating efficiency is improved, labor intensity is reduced.
Brief description of the drawings
Fig. 1 is the sectional view of electromechanical jack.
Embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation Example.
To make present disclosure more obvious understandable, further retouched below in conjunction with accompanying drawing 1 and embodiment State.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
Embodiment:
As shown in figure 1, electromechanical jack, including motor 6, overload-release clutch 5, planetary reduction gear 7, screw rod 9, outer cover 12nd, outer barrel 13, inner cylinder 14 and bottom plate 20,
Motor 6 couples bevel gear pair 3 by overload-release clutch 5, and the lower end of bevel gear pair 3 couples planetary reduction gear 7, outside Cover 12 set straight down and the planetary reduction gear 7 that is fixedly connected housing, screw rod 9 passes through spline and couples planetary reduction gear 7 and position In in outer cover 12, thrust ball bearing 28 is set between screw rod 9 and the housing of planetary reduction gear 7, set on screw rod 9 by screw thread pair Nut 11, inner cylinder 14 is sleeved on nut 11 to be placed and inner cylinder 14 is connected firmly by flat key 10 with nut 11 positioned at the outer of screw rod 9, Ball-type hinged-support 18 is set in the end of inner cylinder 14, ball-type hinged-support 18 connects firmly bottom plate 20 by pressing plate 19;It is each inside and outside outer barrel 13 Open and feather key 15 is set in the guide groove for making inner cylinder 14, outer barrel 13 to vertically move, guide groove.Outer cover 12 and outer barrel 13 it Between and outer barrel 13 and inner cylinder 14 between be respectively provided with sealing ring 16 and sealing ring 17.
It is provided for sending jack on planetary reduction gear 7 to contact to earth the travel switch 4 that contacts to earth of signal, at the top of screw rod 9 Disk spring 8 is set, and disk spring 8 couples the push rod 2 for pressing the travel switch 4 that contacts to earth.
Being provided for sending jack on outer cover 12 can drive a vehicle the feasible car travel switch 25 of control signal, in outer barrel 13 The driving that the feasible car travel switch 25 of top end correspondence is provided for triggering the driving ejector pin 26 on feasible car travel switch 25 is touched Send out ramp projections.
It is provided for sending the elongation limit travel switch that jack is elongated to extreme position control signal on outer cover 12 21 and for send jack remove receive limit control signal remove receipts limit travel switch 23, on the outer surface of outer barrel 13 above and below Be provided for triggering remove receive limit travel switch 23 remove receive ejector pin 24 to remove receipts trigger ramp raised and for triggering elongation pole The elongation trigger ramp of the elongation ejector pin 22 of limit travel switch 21 is raised, removes receipts trigger ramp projection convex positioned at elongation trigger ramp The top risen and removing receive trigger ramp it is raised the distance between with elongation trigger ramp projection be jack elongated distance.
As shown in figure 1, bevel gear pair 3 include shell, be provided with shell output bevel gear wheel, first input bevel gear and Second input bevel gear, the first input bevel gear and the second input bevel gear engage output bevel gear wheel, the connection of output bevel gear wheel Planetary reduction gear 7, the first input bevel gear connection overload-release clutch 5, the second input bevel gear connection is manually entered bar 1.
Highly preferred embodiment of the present invention as shown in figure 1, motor 6 in electromechanical jack by overload-release clutch 5 with Bevel gear pair 3 couples, and the lower end of bevel gear pair 3 connection planetary reduction gear 7, planetary reduction gear 7 is coupled with screw rod 9 by spline.Outside There is feather key 15 between cover 12 and outer barrel 13, have flat key 10 between outer barrel 13 and inner cylinder 14, inner cylinder 14 passes through flat key and nut 11 Connect firmly, the lower end of inner cylinder 14 is provided with ball-type hinged-support 18, is bolted on by pressing plate 19 on bottom plate 20, ball-type hinged-support 18 With being installed with straight pin in the middle of pressing plate 19, when the very heavy top support ground of electromechanical is uneven, straight pin can ball pivot circular cone Swung in hole, adjust base 20 to adapt to the injustice on ground.
When control system is powered to motor 6, motor 6 passes through overload-release clutch 5, bevel gear pair 3, planetary reduction gear 7th, screw rod 9, nut 11, the rotary motion of screw rod 9 are changed into the linear motion of inner cylinder 14 and outer barrel 13.
When jack is elongated to the limit, the elongation trigger ramp on outer barrel 13 projects through the elongation pressing elongation of ejector pin 22 Limit travel switch 21, sends elongation limit control signal;When jack, which is removed, receives the limit, the receipts of removing of the upper surface of inner cylinder 14 are touched Hair ramp projections remove receipts limit travel switch 23 by removing the receipts pressing of ejector pin 24, send and remove receipts limit control signal;Work as electromechanical Jack is removed the time receiving, and the driving trigger ramp of the upper surface of inner cylinder 14 projects through driving ejector pin 26 and presses feasible car travel switch 25, send the control signal that can drive a vehicle.
After the very heavy top support of electromechanical contacts to earth, support force makes the upward sliding of screw rod 9, compresses disk spring 8, and screw rod 9 is justified Deck contact thrust bearing 28, outer cover 12 is delivered to by support force, meanwhile, push rod 2 is moved up, and is pressed the travel switch 4 that contacts to earth, is sent Contact to earth signal.
Two end face sealed oil seals connected 27 are set between planetary reduction gear 7 and screw rod 9.The end face of two series connection is close Oil sealing envelope by jack be divided into above and below two independent oil pockets, so as to the planetary reduction gear being located at respectively in upper oil cavitie and under being located at Bolt and nut pair in oil pocket is lubricated.
When multiple electromechanical jack will be supported synchronously, can control an electromechanical jack contact to earth travel switch 4 move Motor 6 is powered off after work, and electromechanical jack stops support, and after the travel switch 4 that each contacts to earth action, motor 6 is supplied simultaneously Electricity, synchronizes support.
This electromechanical jack, compared with hydraulic jack, reduces the configuration of hydraulic system, can bear larger radial direction Power, while bearing capacity is strong;Compared with Manual mechanical jack, operating efficiency is improved, labor intensity is reduced.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
As described above, although the present invention has been represented and described with reference to specific preferred embodiment, it must not be explained For to the limitation of itself of the invention., can be right under the premise of the spirit and scope of the present invention that appended claims are defined are not departed from Various changes can be made in the form and details for it.

Claims (5)

1. a kind of electromechanical jack, it is characterised in that including motor (6), overload-release clutch (5), planetary reduction gear (7), Screw rod (9), outer cover (12), outer barrel (13), inner cylinder (14) and bottom plate (20),
Motor (6) couples bevel gear pair (3), the lower end connection planetary reduction gear of bevel gear pair (3) by overload-release clutch (5) (7), outer cover (12) set straight down and the planetary reduction gear that is fixedly connected (7) housing, screw rod (9) couples planet by spline Decelerator (7) and, screw rod (9) and planetary reduction gear (7) housing between setting thrust ball bearing (28) interior positioned at outer cover (12), Nut (11) is set by screw thread pair on screw rod (9), inner cylinder (14) is sleeved on nut (11) peripheral and interior positioned at screw rod (9) Cylinder (14) is connected firmly by flat key (10) with nut (11), sets ball-type hinged-support (18) in the end of inner cylinder (14), ball-type is hinged Seat (18) connects firmly bottom plate (20) by pressing plate (19);Outer barrel (13) be sleeved on inner cylinder (14) and outer barrel (13) and inner cylinder (14) it Between by Flat dey joint, outer barrel (13) is inside and outside respectively to open the guide groove for making inner cylinder (14), outer barrel (13) to vertically move, guide groove Interior setting feather key (15);
It is provided for sending jack on planetary reduction gear (7) to contact to earth the travel switch that contacts to earth (4) of signal, on screw rod (9) top Portion sets disk spring (8), and disk spring (8) couples the push rod (2) for travel switch (4) of being contacted to earth for pressing;
Being provided for sending jack on outer cover (12) can drive a vehicle the feasible car travel switch (25) of control signal, in outer barrel (13) the feasible car travel switch (25) of top end correspondence is provided for triggering the driving ejector pin on feasible car travel switch (25) (26) driving trigger ramp is raised;
It is provided for sending the elongation limit travel switch that jack is elongated to extreme position control signal on outer cover (12) (21) the receipts limit travel of removing for and for sending jack removing receipts limit control signal switchs (23), the outer surface in outer barrel (13) It is upper it is setting up and down removed for triggering receive limit travel switch (23) remove receive ejector pin (24) to remove receipts trigger ramp raised and be used for The elongation trigger ramp of the elongation ejector pin (22) of triggering elongation limit travel switch (21) is raised, removes receipts trigger ramp projection and is located at It is jack to extend the raised top of trigger ramp and remove receipts trigger ramp projection with extending the distance between trigger ramp projection Elongated distance.
2. electromechanical jack as claimed in claim 1, it is characterised in that bevel gear pair (3) includes shell, is set in shell It is equipped with output bevel gear wheel, the first input bevel gear and the second input bevel gear, the first input bevel gear and the second input bevel gear Output bevel gear wheel is engaged, output bevel gear wheel connection planetary reduction gear (7), the first input bevel gear couples overload-release clutch (5), Second input bevel gear connection is manually entered bar (1).
3. electromechanical jack as claimed in claim 1, it is characterised in that be arranged in ball-type hinged-support (18) in ball pivot The straight pin of swing.
4. electromechanical jack as claimed in claim 1, it is characterised in that set between planetary reduction gear (7) and screw rod (9) Put the end face sealed oil seal (27) of two series connection.
5. electromechanical jack as claimed in claim 1, it is characterised in that between outer cover (12) and outer barrel (13) and outer Sealing ring is respectively provided between cylinder (13) and inner cylinder (14).
CN201710589524.2A 2017-07-19 2017-07-19 Electromechanical jack Active CN107188076B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710589524.2A CN107188076B (en) 2017-07-19 2017-07-19 Electromechanical jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710589524.2A CN107188076B (en) 2017-07-19 2017-07-19 Electromechanical jack

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CN107188076A true CN107188076A (en) 2017-09-22
CN107188076B CN107188076B (en) 2023-05-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108127453A (en) * 2017-12-13 2018-06-08 广州市昊志机电股份有限公司 A kind of electronic tool changing unit of main shaft
CN112170092A (en) * 2020-10-21 2021-01-05 广东聚德机械有限公司 Gap adjusting device and method applied to coating machine
CN113683001A (en) * 2021-09-02 2021-11-23 海盐海顶汽车配件科技股份有限公司 Corrosion-resistant jack rocking type jack

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2330634Y (en) * 1998-02-18 1999-07-28 中山市嘉乐电动千斤顶有限公司 Electric remote control jack
CN2369985Y (en) * 1999-05-31 2000-03-22 广东省商业贸易中心 Electric jack
CN101561071A (en) * 2009-05-22 2009-10-21 零八一电子集团有限公司 Electric automatic levelling brace
JP2011047518A (en) * 2009-07-31 2011-03-10 Showa Corp Vehicle height adjusting device
CN104192754A (en) * 2014-08-26 2014-12-10 江苏铁锚工具有限公司 Lithium battery-powered jack serving as automobile accessory
CN207016401U (en) * 2017-07-19 2018-02-16 江苏信息职业技术学院 A kind of electromechanical jack

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2330634Y (en) * 1998-02-18 1999-07-28 中山市嘉乐电动千斤顶有限公司 Electric remote control jack
CN2369985Y (en) * 1999-05-31 2000-03-22 广东省商业贸易中心 Electric jack
CN101561071A (en) * 2009-05-22 2009-10-21 零八一电子集团有限公司 Electric automatic levelling brace
JP2011047518A (en) * 2009-07-31 2011-03-10 Showa Corp Vehicle height adjusting device
CN104192754A (en) * 2014-08-26 2014-12-10 江苏铁锚工具有限公司 Lithium battery-powered jack serving as automobile accessory
CN207016401U (en) * 2017-07-19 2018-02-16 江苏信息职业技术学院 A kind of electromechanical jack

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108127453A (en) * 2017-12-13 2018-06-08 广州市昊志机电股份有限公司 A kind of electronic tool changing unit of main shaft
CN112170092A (en) * 2020-10-21 2021-01-05 广东聚德机械有限公司 Gap adjusting device and method applied to coating machine
CN113683001A (en) * 2021-09-02 2021-11-23 海盐海顶汽车配件科技股份有限公司 Corrosion-resistant jack rocking type jack

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Address after: Room 706, Building 6, No. 51 Suli Road, Changqiao Street, Wuzhong District, Suzhou City, Jiangsu Province, 215168

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