CN105041763A - Belt type hydraulic lateral lifting device - Google Patents

Belt type hydraulic lateral lifting device Download PDF

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Publication number
CN105041763A
CN105041763A CN201510389571.3A CN201510389571A CN105041763A CN 105041763 A CN105041763 A CN 105041763A CN 201510389571 A CN201510389571 A CN 201510389571A CN 105041763 A CN105041763 A CN 105041763A
Authority
CN
China
Prior art keywords
hydraulic cylinder
oil hydraulic
cylinder
threading
belt
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
CN201510389571.3A
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Chinese (zh)
Inventor
王志亮
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.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
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 University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201510389571.3A priority Critical patent/CN105041763A/en
Publication of CN105041763A publication Critical patent/CN105041763A/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
    • 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
    • B66F3/24Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25Constructional features

Abstract

The invention relates to a belt type hydraulic lateral lifting device. The belt type hydraulic lateral lifting device comprises a slotted hydraulic cylinder, a cylinder sealing plate belt, a belt-penetrating bearing piston, a slide cover sealing assembly, a hydraulic cylinder seat and a hydraulic cylinder end cover, wherein a liquid inlet hole is formed in the hydraulic cylinder seat, the slotted hydraulic cylinder is provided with a slot in the length direction, and pressure liquid flowing into the liquid inlet hole formed in the hydraulic cylinder seat tightly presses the connecting portions of two sides of the slot of the slotted hydraulic cylinder in a working state and forms an airtight hydraulic cavity together with the slide cover sealing assembly and the hydraulic cylinder seat. With inflow of the pressure liquid, the belt-penetrating bearing piston tightly connected at the upper portion of the slide cover sealing assembly is lifted. The cylinder sealing plate belt penetrates through the belt-penetrating bearing piston to still keep hydraulic cavity sealing performed by the cylinder sealing plate belt in the back and forth movement process of the piston, and the uninvolved portion of the hydraulic cavity still keeps the opening state of the slot so as to enable the belt-penetrating bearing piston to be connected with an external bearing structure and complete a lateral lifting action. By means of the belt type hydraulic lateral lifting device, a lifting stroke in a limited space is increased by about one time.

Description

Belt type hydraulic side direction lift device
Technical field
The present invention is belt type hydraulic side direction lift device, relates to hydraulic lifting machinery, belongs to machinery manufacturing technology field.
Background technique
Hydraulic pressure lifting device on ordinary meaning refers to oil hydraulic cylinder, and oil hydraulic cylinder is that a kind of pressure energy liquid converts mechanical energy to realize the energy conversion device of straight reciprocating motion, is used widely in the hydraulic system of various machinery.
The main structure of conventional cylinder has cylinder body, piston rod piece and corresponding black box.The oil hydraulic cylinder doing straight reciprocating motion is generally divided into piston type, plunger type and telescopic, and their common feature is cylinder body is post tubbiness, and cross section mostly is annulus; Piston rod piece, cylinder body, piston rod movement direction and loading side are to coaxially; Piston rod piece Main Function is pressure-bearing rod member, stretches out cylinder body and does work outward, and its working stroke is about piston rod and extends.And the large bearing capacity of being given by fluidstatic law of connected vessels makes oil hydraulic cylinder have extensive and important application in big machinery weight lifting.
The defect of but traditional cylinder design existence self, main has three: one to be the half that working stroke is about total length (piston rod length+cylinder body length), namely can only realize half way acting in the confined space; Two is that pressure bar stabilization sex chromosome mosaicism specific strength problem is serious, and the rigidity of rod member and end condition constraint make carrying rod member there is the limitation of length of design and use; Three is increase with piston rod extension, and its ability of bearing lateral load and impulsive load is poorer, and service condition is also harsher, because be applied in special large carrying environment, easily cause major accident because rod member lost efficacy, such case is also many in reality.
So design hydraulic pressure installation that is safer, that effectively and to lateral load carrying and impact capacity promote to some extent, it is a problem having real value and significance.Usually at present improving one's methods of industrial field strengthens design safety factor, and meaning larger materials consumption, larger from heavy load and lower working efficiency like this, is very passive selection.Obviously, the existence of these problems is that traditional hydraulic cylinder structure pattern own characteristic determines, only can not deal with problems from changing the angle of design parameter, and carries out changing from structural design and just can suit the remedy to the case.
The present invention devises " belt type hydraulic side direction lift device ", will think deeply exactly and the product redesigned to these problems of conventional cylinder again.
Summary of the invention
The object of the invention is to the deficiency existed for prior art, a kind of belt type hydraulic side direction lift device be provided, the function going out formula lifting without depression bar, Long Distances and side can be realized, while riser to the adaptive capacity of transverse direction and impulsive load.
For achieving the above object, design of the present invention is:
Belt type hydraulic side direction lift device of the present invention, has split oil hydraulic cylinder.
Split oil hydraulic cylinder is an open column shape structure, and its shape of cross section does not get rid of the shape outside annulus, its inner wall smooth, but does not close at length direction, namely there is opening at cylinder body wall vertically; The structure of split oil hydraulic cylinder and selection have enough strength and stiffness, are typically provided with the design of stiffening rib and stiffening plate at the outer wall of oil hydraulic cylinder, to meet at normal working liquid pressure lower shell body requirement that is stressed and malformation; Opening both sides are provided with the connecting part being connected transition.
Belt type hydraulic side direction lift device of the present invention, has envelope cylinder strip.
Envelope cylinder strip is long strip coiled sheet (relative to plate width), and it is omnidistance that its length covers split oil hydraulic cylinder; In working order, its material and structure have enough anti-shear abilities; Envelope cylinder strip can closely cooperate with split oil hydraulic cylinder opening both sides linking part, closes the sealing of split oil hydraulic cylinder completely, can not cause the leakage of pressured fluid; Simultaneously in order to strengthen sealing effect, envelope cylinder strip can have Computer Aided Design, or additional magnetic-adsorption or surface detail design or the design of composite bed aggregated(particle) structure.
Belt type hydraulic side direction lift device of the present invention, has hydraulic cylinder end cover.
Hydraulic cylinder end cover is the capping of oil hydraulic cylinder one end, the effect of restricted split hydraulic cylinder works stroke and its non-deformability of reinforcement.
Belt type hydraulic side direction lift device of the present invention, has oil hydraulic cylinder seat.
Oil hydraulic cylinder seat is the capping of oil hydraulic cylinder the other end, except restriction split hydraulic cylinder works stroke and strengthen its non-deformability effect except, the fixed end of envelope cylinder strip to be also arranged on oil hydraulic cylinder seat and and split oil hydraulic cylinder sealing end closely cooperate.
Belt type hydraulic side direction lift device of the present invention, has threading loading piston.
Threading loading piston is the main sliding motion structure in oil hydraulic cylinder, and oil hydraulic cylinder inwall is slidably matched, and under the effect of I/O pressured fluid, realizes to-and-fro motion; Envelope cylinder strip is through threading loading piston, close in the laminating of fluid input port to restriction split oil hydraulic cylinder sealing to realize sealing cylinder strip, and seal cylinder strip and be separated by threading loading piston at the other end and do not contact sealing, to keep the open state of sealing, and this one end sealing cylinder strip can be free end or the soft cylinder ends that is connected to covers or component locations near end cap; Threading loading piston connects external agency by open sealing, realizes outside output movement and acting; Also can export as traditional oil hydraulic cylinder, threading loading piston adds piston rod, and in hydraulic cylinder end cover perforate, piston rod be stretched out cylinder body and do work outward.
Belt type hydraulic side direction lift device of the present invention, has slip lid black box.
Slip lid black box is combined in the oil hydraulic cylinder liquid input side of threading loading piston, moves with threading loading piston; Its effect is the sealing state keeping liquid in oil hydraulic cylinder in piston movement process, prevents pressured fluid seepage, so slip lid black box and split oil hydraulic cylinder, envelope cylinder strip, oil hydraulic cylinder seat together constitute airtight hydraulic chamber.
Belt type hydraulic side direction lift device of the present invention, have liquid-entering hole at oil hydraulic cylinder seat, liquid-entering hole provides stable liquid source, pressured fluid is input to oil hydraulic cylinder inside; In the round trip of work, the pressure in hydraulic chamber can maintain pressing and the seal request that envelope cylinder strip splits seam cylinder hydraulic cavity portion.
According to foregoing invention design, the present invention adopts following proposal:
A kind of belt type hydraulic side direction lift device, comprises split oil hydraulic cylinder, envelope cylinder strip, threading loading piston, slip lid black box, oil hydraulic cylinder seat and hydraulic cylinder end cover, and has liquid-entering hole at oil hydraulic cylinder seat.It is characterized in that described split oil hydraulic cylinder has sealing at length direction, described envelope cylinder strip is closely pressed together on sealing two side engagement portion of described split oil hydraulic cylinder by the pressured fluid entered by the described liquid-entering hole of described oil hydraulic cylinder seat under working state, forms airtight hydraulic pressure cavity with described slip lid black box together with described oil hydraulic cylinder seat; Along with the inflow of pressured fluid, be lifted at the close-connected described threading loading piston in described slip lid black box top and lift; Described envelope cylinder strip is through described threading loading piston, make piston in back and forth movement process, still keep described envelope cylinder strip to the sealing of hydraulic pressure cavity, and the open state of the maintenance sealing that and partly remains unchanged in hydraulic pressure cavity, in order to access external load-bearing structure, complete the action of side direction lifting.
Above-mentioned envelope cylinder strip in working order under to be closely pressed together on the joining portion of the sealing both sides of described split oil hydraulic cylinder by the pressured fluid in hydraulic pressure cavity, thus the sealing of split oil hydraulic cylinder to be closed.
The perforate of above-mentioned threading loading piston, passes to enable envelope cylinder strip; Described threading loading piston together with slip lid black box from liquid-entering hole I/O under the fluid pressure action of hydraulic pressure cavity, realize back and forth movement.
Above-mentioned envelope cylinder strip comprises the part through threading loading piston more than slip lid black box, does not engage, still maintain the open state of sealing with the sealing part of split oil hydraulic cylinder, connects threading loading piston in order to outer bearing member.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
Adopt device of the present invention to adopt striker member, solve the strut buckling problem of conventional cylinder, thus the length of oil hydraulic cylinder is not limited.
Adopt the output of device of the present invention to be directly exported by threading loading piston, owing to there is not the large Moment of process for long piston rod to piston portion, thus improve the performance of lifting load-bearing ability and anti-dynamic load, impact.
Adopt device of the present invention owing to being side direction lifting, its stroke is close to the length of device self, and compared with conventional cylinder, the working stroke in the confined space is improved nearly one times by this device.
It can thus be appreciated that present invention obtains the hydraulic pressure lifting device going out formula lifting without depression bar, Long Distances and side, it has wide range of applications, there is economic value very.
Accompanying drawing explanation
Fig. 1 belt type hydraulic side direction lift device schematic diagram.
Fig. 2 belt type hydraulic side direction lift device schematic cross-section: (a) square cylinder body; (b) trapezoidal cylinder body; (c) assembly cylinder-body.
case study on implementation
The preferred embodiments of the present invention accompanying drawings is as follows:
Embodiment one:
See Fig. 1, a kind of belt type hydraulic side direction lift device, comprise split oil hydraulic cylinder 1, envelope cylinder strip 2, threading loading piston 3, slip lid black box 4, oil hydraulic cylinder seat 5 and hydraulic cylinder end cover 8, and have liquid-entering hole 6 at oil hydraulic cylinder seat 5, it is characterized in that: described split oil hydraulic cylinder 1 has sealing at length direction, its two ends are compact siro spinning technology oil hydraulic cylinder seat 5 and hydraulic cylinder end cover 8 respectively; Described threading loading piston 3 and slip lid black box 4 compact siro spinning technology, and join with split oil hydraulic cylinder 1 inwall is sliding; Described envelope cylinder strip 2 one end compact siro spinning technology oil hydraulic cylinder seat 5, the other end is through threading loading piston 3; Described split oil hydraulic cylinder 1 and envelope cylinder strip 2, oil hydraulic cylinder seat 5 form airtight hydraulic pressure cavity 7 with slip lid black box 4.
Embodiment two:
The present embodiment is substantially identical with embodiment one, and specialization is being:
Described envelope cylinder strip 2 in working order under to be closely pressed together on the joining portion of the sealing both sides of described split oil hydraulic cylinder 1 by the pressured fluid in hydraulic pressure cavity 7, thus the sealing of split oil hydraulic cylinder 1 to be closed.
Embodiment three:
See Fig. 1, this belt type hydraulic side direction lift device, is made up of split oil hydraulic cylinder 1, envelope cylinder strip 2, threading loading piston 3, slip lid black box 4, oil hydraulic cylinder seat 5 and hydraulic cylinder end cover 8, and has liquid-entering hole 6 at oil hydraulic cylinder seat 5; The pressured fluid of liquid-entering hole 6 I/O enters/exports the hydraulic pressure cavity 7 formed by split oil hydraulic cylinder 1, envelope cylinder strip 2, slip lid black box 4 and oil hydraulic cylinder seat 5, promotes the motion of threading loading piston 3; Envelope cylinder strip 2 is through threading loading piston 3, along with the motion of threading loading piston 3, envelope cylinder strip 2 is by the sealing of pressing/be located away from split oil hydraulic cylinder 1, to maintain the closed state of hydraulic pressure cavity 7, ensure that slip lid black box more than 4 is separated with sealing through the envelope cylinder strip 2 of threading loading piston 3 part, to realize the side direction output function of threading loading piston 3 simultaneously.
See Fig. 1 and Fig. 2 (a), Fig. 2 (b), split oil hydraulic cylinder 1 have employed square cylinder body (Fig. 2 (a)) and trapezoidal cylinder body (Fig. 2 (b)) respectively.Other forms can also be there are in these cylinder bodies, but indifference in essence, the basic feature because of split oil hydraulic cylinder is sealing-strip structure, and this and totally-enclosed cylinder body distinguish.
Embodiment four:
The present embodiment is substantially identical with embodiment three, and specialization is being:
See Fig. 1 and Fig. 2 (c), split oil hydraulic cylinder 1 have employed the form of assembly cylinder-body (Fig. 2 (c)).Assembly cylinder-body is combined by each discrete parts, in order to control, in the distortion by pressure split oil hydraulic cylinder 1 cylinder body, to devise the structure of such as stiffening plate/muscle 9 and so on outside cylinder body.

Claims (4)

1. a belt type hydraulic side direction lift device, comprise split oil hydraulic cylinder (1), envelope cylinder strip (2), threading loading piston (3), slip lid black box (4), oil hydraulic cylinder seat (5) and hydraulic cylinder end cover (8), and have liquid-entering hole (6) at oil hydraulic cylinder seat (5), it is characterized in that: described split oil hydraulic cylinder (1) has sealing at length direction, its two ends are compact siro spinning technology oil hydraulic cylinder seat (5) and hydraulic cylinder end cover (8) respectively; Described threading loading piston (3) and slip lid black box (4) compact siro spinning technology, and join with split oil hydraulic cylinder (1) inwall is sliding; Described envelope cylinder strip (2) one end compact siro spinning technology oil hydraulic cylinder seat (5), the other end is through threading loading piston (3); Described split oil hydraulic cylinder (1) and envelope cylinder strip (2), oil hydraulic cylinder seat (5) form airtight hydraulic pressure cavity (7) with slip lid black box (4).
2. belt type hydraulic side direction lift device according to claim 1, it is characterized in that: described envelope cylinder strip (2) in working order under to be closely pressed together on the joining portion of the sealing both sides of described split oil hydraulic cylinder (1) by the pressured fluid in hydraulic pressure cavity (7), thus the sealing of split oil hydraulic cylinder (1) to be closed.
3. belt type hydraulic side direction lift device according to claim 1, is characterized in that: the perforate of described threading loading piston (3), can pass to make envelope cylinder strip (2); Described threading loading piston (3) under the fluid pressure action of hydraulic pressure cavity (7), is realizing back and forth movement from liquid-entering hole (6) I/O together with slip lid black box (4).
4. the belt type hydraulic side direction lift device according to claim 1 or 2 or 3, it is characterized in that described envelope cylinder strip (2) comprises the part through threading loading piston (3) more than slip lid black box (4), do not engage with the sealing part of split oil hydraulic cylinder (1), still maintain the open state of sealing, connect threading loading piston (3) in order to outer bearing member.
CN201510389571.3A 2015-07-06 2015-07-06 Belt type hydraulic lateral lifting device Pending CN105041763A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510389571.3A CN105041763A (en) 2015-07-06 2015-07-06 Belt type hydraulic lateral lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510389571.3A CN105041763A (en) 2015-07-06 2015-07-06 Belt type hydraulic lateral lifting device

Publications (1)

Publication Number Publication Date
CN105041763A true CN105041763A (en) 2015-11-11

Family

ID=54448625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510389571.3A Pending CN105041763A (en) 2015-07-06 2015-07-06 Belt type hydraulic lateral lifting device

Country Status (1)

Country Link
CN (1) CN105041763A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE707679C (en) * 1935-02-05 1941-06-30 Francesco Merz Cylinder for a piston-operated acceleration device, in particular an aircraft sling
US2650571A (en) * 1950-07-10 1953-09-01 Brown Brothers & Co Ltd Sealing means for slotted cylinders
CH436617A (en) * 1965-04-20 1967-05-31 Roethlin Albert Hydraulic or pneumatic conveying device
CA963502A (en) * 1970-12-22 1975-02-25 Origa Cylindrar Ab Seal for pressure fluid cylinders
US4273031A (en) * 1979-05-22 1981-06-16 Hannon Albert H Fluid pressure containment actuator
DE4020288A1 (en) * 1989-07-03 1991-01-17 Knorr Bremse Ag Slit type power cylinder - has longitudinal groove in wall to receive anchor plate which enables cylinder adjustment
EP0647786A1 (en) * 1993-10-12 1995-04-12 Norgren Martonair Gmbh Linear actuator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE707679C (en) * 1935-02-05 1941-06-30 Francesco Merz Cylinder for a piston-operated acceleration device, in particular an aircraft sling
US2650571A (en) * 1950-07-10 1953-09-01 Brown Brothers & Co Ltd Sealing means for slotted cylinders
CH436617A (en) * 1965-04-20 1967-05-31 Roethlin Albert Hydraulic or pneumatic conveying device
CA963502A (en) * 1970-12-22 1975-02-25 Origa Cylindrar Ab Seal for pressure fluid cylinders
US4273031A (en) * 1979-05-22 1981-06-16 Hannon Albert H Fluid pressure containment actuator
DE4020288A1 (en) * 1989-07-03 1991-01-17 Knorr Bremse Ag Slit type power cylinder - has longitudinal groove in wall to receive anchor plate which enables cylinder adjustment
EP0647786A1 (en) * 1993-10-12 1995-04-12 Norgren Martonair Gmbh Linear actuator

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Application publication date: 20151111