CN107747573B - A kind of Telescopic protection system - Google Patents
A kind of Telescopic protection system Download PDFInfo
- Publication number
- CN107747573B CN107747573B CN201710878712.7A CN201710878712A CN107747573B CN 107747573 B CN107747573 B CN 107747573B CN 201710878712 A CN201710878712 A CN 201710878712A CN 107747573 B CN107747573 B CN 107747573B
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- China
- Prior art keywords
- piston
- side wall
- cylinder
- telescopic
- guide sleeve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of Telescopic protection systems, including telescopic oil cylinder, the telescopic oil cylinder includes cylinder barrel and piston rod, and piston rod is laterally plugged in cylinder barrel, the side of the piston rod is equipped with piston, and the side wall of piston is equipped with multiple annular grooves, O-ring seal is arranged in the annular groove, the side of the piston rod is arranged with guide sleeve, and cylinder cap is arranged on the outside side wall of guide sleeve, dustband is also arranged on the side side wall of the guide sleeve, the side side wall of the piston rod is through guide sleeve and is connected with earrings, the cylinder barrel is equipped with cylinder bottom far from the side of earrings, and the side wall of cylinder bottom is equipped with the fixed block being laterally arranged, installation cavity is equipped in the fixed block, and the bottom of installation cavity is connected with telescopic rod by the first spring.The configuration of the present invention is simple, easy to operate, the telescopic oil cylinder is compact-sized ingenious, so that the movement of piston is gently stablized, so that piston is effectively protected.
Description
Technical field
The present invention relates to technical field of telescopic protection more particularly to a kind of Telescopic protection systems.
Background technique
Telescoping hydraulic cylinder is the hydraulic cylinder with multi-stage sleeve shape piston rod of available longer impulse stroke, is stretched
Formula hydraulic cylinder is also known as multistage hydraulic cylinder.Its working principle: when pressure oil enters from rodless cavity, the maximum cylinder of piston effective area
Cylinder starts to stretch out, and when going to terminal, the cylinder barrel that piston effective area takes second place starts to stretch out.Telescopic hydraulic stretch out sequence be
It is descending successively to stretch out, it can get very long impulse stroke, overhanging cylinder barrel effective area is smaller, and it is faster to stretch out speed.Therefore,
Stretching speed has to become faster slowly, and corresponding hydraulic thrust is from large to small；The changing rule of this thrust, speed, be just suitble to it is various from
Dynamic requirement of the loading mechanization to thrust and speed.And the sequence retracted be usually it is ascending successively retract, axial direction when retraction
Length is shorter, and occupied space is smaller, compact-sized.It is usually used in engineering machinery and other walking machines, such as crane, dump truck
Deng hydraulic system in.But existing inside retractable cylinder lacks buffer protection device, it is larger to the abrasion of piston.For this purpose,
It is proposed that a kind of Telescopic protection system solves the above problems.
Summary of the invention
The purpose of the present invention is to solve telescopic oil cylinders in the prior art to lack buffer protection device, the abrasion to piston
Larger problem, and a kind of Telescopic protection system proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of Telescopic protection system, including telescopic oil cylinder, the telescopic oil cylinder includes cylinder barrel and piston rod, and piston rod is horizontal
To being plugged in cylinder barrel, the side of the piston rod is equipped with piston, and the side wall of piston is equipped with multiple annular grooves, the annular
O-ring seal is arranged in slot, the side of the piston rod is arranged with guide sleeve, and cylinder is arranged on the outside side wall of guide sleeve
It covers, dustband is also arranged on the side side wall of the guide sleeve, the side side wall of the piston rod through guide sleeve and connects
There is earrings, the cylinder barrel is equipped with cylinder bottom far from the side of earrings, and the side wall of cylinder bottom is equipped with the fixed block being laterally arranged, described
Installation cavity is equipped in fixed block, and the bottom of installation cavity is connected with telescopic rod by the first spring, the telescopic rod is far from first
The side of spring is symmetrically connected with two arc blocks by shaft, and arc groove is equipped in two arc blocks, and the shaft is passed through
The side wall setting of arc block and arc groove is worn, the side side wall of the arc groove connects by the way that the side wall of second spring and shaft is fixed
It connects, the both ends of the arc block are rotatably connected to idler wheel.
Preferably, Ge Laiquan is arranged on the outside side wall of the O-ring seal.
Preferably, the piston rod is integrally formed with earrings.
Preferably, two sliding slots being parallel to each other are symmetrically arranged on the two sides side wall of the fixed block, the telescopic rod
Two slide bars to match with sliding slot are symmetrically arranged on the side wall of two sides.
Preferably, rubber pad is arranged on the outside side wall of the idler wheel.
The configuration of the present invention is simple, easy to operate, for user when using the telescopic oil cylinder, the piston rod of telescopic oil cylinder is in liquid
It is moved back and forth under the action of pressure oil, the inevitable side wall with cylinder bottom of such piston offsets, and impact can aggravate the abrasion of piston
And breaking-up is equipped with buffer unit for the abrasion for avoiding piston on the side wall of cylinder bottom, it is mobile constantly to cylinder bottom in piston, firstly,
One of idler wheel is by piston press so that arc block rotates under the action of second spring, thus another idler wheel with
The side wall of piston offsets, so that piston obtains bumper and absorbing shock, piston is continued to move to, so that the first spring contraction, Jin Ershen
Contracting bar is shunk, to carry out secondary buffer damping to piston, the telescopic oil cylinder is compact-sized ingenious, so that the movement of piston is gentle
Stablize, so that piston is effectively protected.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Telescopic protection system proposed by the present invention；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in Fig. 1 at B；
Fig. 4 is the structural schematic diagram in Fig. 1 at C.
In figure: 1 cylinder barrel, 2 piston rods, 3 pistons, 4 O-ring seals, 5 lattice come enclose, 6 guide sleeves, 7 cylinder caps, 8 dustbands, 9
Earrings, 10 fixed blocks, 11 first springs, 12 telescopic rods, 13 sliding slots, 14 slide bars, 15 cylinder bottoms, 16 arc blocks, 17 arc grooves, 18 turns
Axis, 19 second springs, 20 idler wheels.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of Telescopic protection system, including telescopic oil cylinder, telescopic oil cylinder include cylinder barrel 1 and piston rod 2, are lived
Stopper rod 2 is integrally formed with earrings 9, and convenient for manufacturing the part, and piston rod 2 is laterally plugged in cylinder barrel 1, and the one of piston rod 2
Side is equipped with piston 3, and the side wall of piston 3 is equipped with multiple annular grooves, is arranged with O-ring seal 4, O-ring seal 4 in annular groove
Outside side wall on be arranged with lattice to enclose 5 so that the better tightness of cylinder barrel 1, and there is certain impact resistance, piston rod
2 side is arranged with guide sleeve 6, and cylinder cap 7 is arranged on the outside side wall of guide sleeve 6, also covers on the side side wall of guide sleeve 6
Equipped with dustband 8, the side side wall of piston rod 2 through guide sleeve 6 and is connected with earrings 9, and cylinder barrel 1 is set far from the side of earrings 9
There is cylinder bottom 15, and the side wall of cylinder bottom 15 is equipped with the fixed block 10 being laterally arranged, and is symmetrically arranged on the two sides side wall of fixed block 10
Two sliding slots 13 being parallel to each other are symmetrically arranged with two slide bars to match with sliding slot 13 14 on the two sides side wall of telescopic rod 12,
So that the sliding of telescopic rod 12 is more steady, installation cavity is equipped in fixed block 10, and the bottom of installation cavity is connected by the first spring 11
It is connected to telescopic rod 12, side of the telescopic rod 12 far from the first spring 11 is symmetrically connected with two arc blocks 16 by shaft 18, and
Arc groove 17 is equipped in two arc blocks 16, shaft 18 is through the setting of the side wall of arc block 16 and arc groove 17, arc groove 17
Side side wall be fixedly connected by second spring 19 with the side wall of shaft 18, the both ends of arc block 16 are rotatably connected to idler wheel
20, rubber pad is arranged on the outside side wall of idler wheel 20, so that 20 outside of idler wheel has certain buffering to piston 3.
The configuration of the present invention is simple, easy to operate, when using the telescopic oil cylinder, the piston rod 2 of telescopic oil cylinder exists user
It is moved back and forth under the action of hydraulic oil, the inevitable side wall with cylinder bottom 15 of such piston 3 offsets, and impact can aggravate piston 3
Abrasion and breaking-up buffer unit is equipped on the side wall of cylinder bottom 15 for the abrasion for avoiding piston 3, moved in piston 3 to cylinder bottom 15
It moves constantly, firstly, one of idler wheel 20 is squeezed by piston 3, so that arc block 16 turns under the action of second spring 19
Dynamic, so that another idler wheel 20 and the side wall of piston 3 offset, so that piston 3 obtains bumper and absorbing shock, piston 3 is continued to move to, thus
So that the first spring 11 is shunk, and then telescopic rod 12 is shunk, to carry out secondary buffer damping, the telescopic oil cylinder knot to piston 3
Structure is compact ingenious, so that the movement of piston 3 is gently stablized, so that piston 3 is effectively protected.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of Telescopic protection system, including telescopic oil cylinder, which is characterized in that the telescopic oil cylinder includes cylinder barrel (1) and piston
Bar (2), and piston rod (2) is laterally plugged in cylinder barrel (1), the side of the piston rod (2) is equipped with piston (3), and piston (3)
Side wall be equipped with multiple annular grooves, be arranged with O-ring seal (4) in the annular groove, the side of the piston rod (2) is arranged
Have guide sleeve (6), and be arranged with cylinder cap (7) on the outside side wall of guide sleeve (6), on the side side wall of the guide sleeve (6) also
It is arranged with dustband (8), the side side wall of the piston rod (2) through guide sleeve (6) and is connected with earrings (9), the cylinder barrel
(1) side far from earrings (9) is equipped with cylinder bottom (15), and the side wall of cylinder bottom (15) is equipped with the fixed block (10) being laterally arranged,
Installation cavity is equipped in the fixed block (10), and the bottom of installation cavity is connected with telescopic rod (12), institute by the first spring (11)
It states the side of telescopic rod (12) far from the first spring (11) and is symmetrically connected with two arc blocks (16), and two by shaft (18)
It is equipped in arc block (16) arc groove (17), the shaft (18) sets through the side wall of arc block (16) and arc groove (17)
It sets, the side side wall of the arc groove (17) is fixedly connected by second spring (19) with the side wall of shaft (18), the arc
The both ends of block (16) are rotatably connected to idler wheel (20)；
Rubber pad is arranged on the outside side wall of the idler wheel (20)；When piston (3) is mobile to cylinder bottom (15), one of them
Idler wheel (20) is squeezed by piston (3), so that arc block (16) rotates under the action of second spring (19), thus another
Idler wheel (20) and the side wall of piston (3) offset, so that piston (3) obtains bumper and absorbing shock, piston (3) is continued to move to, so that
First spring (11) is shunk, and then telescopic rod (12) is shunk, to carry out secondary buffer damping to piston (3).
2. a kind of Telescopic protection system according to claim 1, which is characterized in that the outside side of the O-ring seal (4)
Ge Laiquan (5) are arranged on wall.
3. a kind of Telescopic protection system according to claim 1, which is characterized in that the piston rod (2) is with earrings (9)
It is integrally formed.
4. a kind of Telescopic protection system according to claim 1, which is characterized in that the two sides side wall of the fixed block (10)
On be symmetrically arranged with two sliding slots being parallel to each other (13), be symmetrically arranged with two and sliding slot on the two sides side wall of the telescopic rod (12)
(13) slide bar (14) to match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878712.7A CN107747573B (en) | 2017-09-26 | 2017-09-26 | A kind of Telescopic protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878712.7A CN107747573B (en) | 2017-09-26 | 2017-09-26 | A kind of Telescopic protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107747573A CN107747573A (en) | 2018-03-02 |
| CN107747573B true CN107747573B (en) | 2019-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710878712.7A Active CN107747573B (en) | 2017-09-26 | 2017-09-26 | A kind of Telescopic protection system |
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| Country | Link |
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| CN (1) | CN107747573B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697034A (en) * | 2021-09-03 | 2021-11-26 | 浙江东溟科技有限公司 | Simple expansion piece and telescopic mounting structure of underwater sensor |
| CN114810715A (en) * | 2022-04-18 | 2022-07-29 | 安徽奔腾五金制造有限公司 | Double-cylinder hydraulic forming equipment for metal product pressing |
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| CN201810607U (en) * | 2010-09-10 | 2011-04-27 | 富伟精机股份有限公司 | Pneumatic cylinder structure |
| CN205669518U (en) * | 2016-05-25 | 2016-11-02 | 滁州市康达叉车零部件制造有限公司 | A kind of shock resistance long-life forklift lifting oil cylinder |
| CN205823787U (en) * | 2016-06-21 | 2016-12-21 | 徐州重型机械有限公司 | Twin-stage compound hydralic oil cylinder |
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| US4397218A (en) * | 1980-12-23 | 1983-08-09 | Allis-Chalmers Corporation | Cushion stop for hydraulic cylinder |
| JPH06337006A (en) * | 1993-04-01 | 1994-12-06 | Nabco Ltd | Cushion device of fluid pressure cylinder |
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Patent Citations (3)
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|---|---|---|---|---|
| CN201810607U (en) * | 2010-09-10 | 2011-04-27 | 富伟精机股份有限公司 | Pneumatic cylinder structure |
| CN205669518U (en) * | 2016-05-25 | 2016-11-02 | 滁州市康达叉车零部件制造有限公司 | A kind of shock resistance long-life forklift lifting oil cylinder |
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| Publication number | Publication date |
|---|---|
| CN107747573A (en) | 2018-03-02 |
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Denomination of invention: A telescopic protection system Effective date of registration: 20220107 Granted publication date: 20190723 Pledgee: Tongling branch of Bank of China Ltd. Pledgor: TONGLING HUIYU INDUSTRIAL Co.,Ltd. Registration number: Y2022980000135 |