CN103991816B - The jack that a kind of many ground is used - Google Patents
The jack that a kind of many ground is used Download PDFInfo
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- CN103991816B CN103991816B CN201410237224.4A CN201410237224A CN103991816B CN 103991816 B CN103991816 B CN 103991816B CN 201410237224 A CN201410237224 A CN 201410237224A CN 103991816 B CN103991816 B CN 103991816B
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- slide plate
- jack
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- backstay
- hole
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Abstract
The invention discloses the jack that a kind of many ground is used, comprise base, support portion, hydraulic pump and spanner, in base, be provided with slide plate and sole, between slide plate and sole, be provided with some first back-moving springs, between slide plate and base inner wall, be provided with some second back-moving springs, on slide plate, be provided with first handle, first locating hole and some first back-up blocks, in first locating hole, be connected with backstay, on location division, be provided with some second locating holes, in second locating hole, be provided with backstay, on backstay, be provided with round platform, round platform is arranged at top, location division, on location division, be provided with protective cover, on protective cover, arrange porose, between protective cover and round platform, be provided with retainer spring, on sole, be provided with some feets and some second back-up blocks. compared with prior art, the present invention's low cost of manufacture simple in structure can be used in the extreme environment of some of snowfield and meadow, adapts to most of working environments.
Description
Technical field
The invention belongs to hydraulic jack technical field, relate in particular to the jack that a kind of many ground is used.
Background technology
Jack is a kind of lifting the simplest highly little crane gear. Jack is divided into mechanic jacks and hydraulic jackPush up two kinds, principle is had nothing in common with each other. Principle, hydraulic jack based on principle be pascal's principle, that is: liquidPressure is everywhere consistent, and like this, in the system of balance, above smaller piston, applied pressure is smaller, and largePiston on applied pressure also larger, can keep like this static of liquid. So by the transmission of liquid, can obtainDifferent pressure on different ends, so just can reach the object of a conversion. We the common hydraulic jack arriving be exactlyUtilize this principle to reach the transmission of power. Mechanic jacks adopts theory of mechanics, and back and forth to pull handle, pusher dog is arrangedThe revolution of ratchet gap, cone pinion drives large bevel gear, makes the rotation of weight lifting screw rod, hoists or declines thereby jacking sleeve is obtained,And reach the function of lifting pulling force. But it is simple and easy to be not so good as hydraulic jack.
Hydraulic jack: by manpower or driven by power hydraulic pump, by hydraulic system transmission, with cylinder body or piston as topLift part. Hydraulic jack can be divided into monoblock type and separate type. All-in-one-piece pump and hydraulic cylinder join together; The pump of separate type and liquidCylinder pressure separates, and centre is connected with high-pressure hose. Hydraulic jack compact conformation, steadily jacking weight, lifting capacity maximum reaches1000 tons, 1 meter of stroke, transmission efficiency is higher, therefore application is wider; But easy oil leakage, should not support weight for a long time. As for a long timeSupport need be selected self-locking jack, and screw jack and hydraulic jack are further to reduce height of contour or increase top to lift distance,Can make multi-stage telescopic. Hydraulic jack except above-mentioned basic pattern, by same principle can repack into climbing form jack,Hydraulic elevator platform, stretching machine etc., for various special construction occasions.
Existing most Manual hydraulic jack, need to use lever when use. The size of lever is generally selected comparisonRealizing that long ability is optimum is laborsaving. And the working space that the lever of long size needs is larger, in most cases, lever makesUsed time, the raising height of its one end all can exceed the height of plunger, and in some narrow and small occasions, lever not can be good at realityExisting its original function. Also with regard to meaning if the environment of periphery causes the usage space of jack very little, this common manpowerHydraulic jack just can not well realize original function.
Use jack on meadow time, because jack need to be placed on above haystack, jack on meadow stressedEasily slippage in situation. And, due to jack and to need spacing between the object of jack-up be not large especially, want to use otherStage property strikes down jack fixing also quite inconvenient. In the time that automobile breaks down in snowfield, under northerly environment,Icing place in snowfield, jack is placed on above and can skids, very dangerous. This just need one can snow very thick orThe jack of normal safe handling in the icing snow drift of person.
Summary of the invention
The present invention is directed to deficiency of the prior art, the jack that provides a kind of many ground to use, simple in structure manufacturingThis is low, saves material, and has the function that realizes jack-up weight with labour-saving action, can in short space, use,Can also in the extreme environment of some of snowfield and meadow, use, adapt to most of working environments.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: thousand of a kind of many ground useJin top, comprises base, support portion, hydraulic pump and spanner, described support portion and described hydraulic pump be arranged on described base andBe connected to each other, on described support portion, be provided with plunger, described hydraulic pump comprises piston rod, on described base, be provided with location division,First support arm and second support arm, be provided with slide plate and sole in described base, be provided with some between described slide plate and described soleFirst back-moving spring, is provided with some second back-moving springs between described slide plate and described base inner wall, be provided with first handle on described slide plateHand, first locating hole and some first back-up blocks, the shape of cross section of described first back-up block is arranged at institute for right-angled trapezium and bottomState on slide plate, in described first locating hole, be connected with backstay, on described location division, be provided with some second locating holes, described second locationIn hole, be provided with described backstay, be provided with round platform and ball on described backstay, described round platform is arranged at top, described location division,On described location division, be provided with protective cover, arrange porosely on described protective cover, the diameter in described hole is more straight than the section of described backstayFootpath is large, between described protective cover and described round platform, is provided with retainer spring, is provided with some feets and some second on described soleBack-up block, the shape of cross section of described second back-up block is that right-angled trapezium and bottom are arranged on described sole, described second supportsThe hypotenuse of the right-angled trapezium of the hypotenuse of the right-angled trapezium of piece and described first back-up block is parallel to each other, and described base below is provided with someGo out pin hole, described in go out in pin hole to be provided with described feet, between described first support arm and described second support arm, be provided with central shaft,On described central shaft, be provided with cam part, described cam part is arranged at described piston rod top and directly contacts with described piston rod,Described central shaft is connected with turning handle, on described turning handle, is provided with rotating part, between described piston rod and described hydraulic pumpBe provided with back-moving spring, described perimeter is provided with some second handles.
On described turning handle, be also provided with square rotation termination, described spanner comprise handle and be fixedly connected on its front end,There is the socket termination of axial first through hole, in described first through hole, be provided with the rotary terminal with axial square second through hole, described in revolveTurn on terminal and be fixedly connected with ratchet, on described socket termination, be also provided with ratchet.
The present invention's low cost of manufacture simple in structure, saves material, and has the merit that realizes jack-up weight with labour-saving actionCan, can in short space, use, can also in the extreme environment of some of snowfield and meadow, use, adapt to great majorityWorking environment.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is skateboard schematic diagram of the present invention.
Fig. 3 is sole structural representation of the present invention.
Fig. 4 is positional lever structure schematic diagram of the present invention.
Fig. 5 is cam part structural representation of the present invention.
Fig. 6 is spanner structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail: as shown in Figures 1 to 6, onePlant the jack that many ground are used, comprise base 1, support portion 2, hydraulic pump 3 and spanner, described support portion 2 and described liquidPress pump 3 is arranged on described base 1 and is connected to each other, and on described support portion 2, is provided with plunger 21, described hydraulic pump 3Comprise piston rod 31, on described base 1, be provided with location division 62, first support arm 12 and second support arm 13, described base 1Inside be provided with slide plate 7 and sole 8, between described slide plate 7 and described sole 8, be provided with some first back-moving springs 81, described cunningBetween plate 7 and described base 1 inwall, be provided with some second back-moving springs 71, on described slide plate 7, be provided with first handle 74, firstLocating hole 73 and some first back-up blocks 72, the shape of cross section of described first back-up block 72 is that right-angled trapezium and bottom arrangeOn described slide plate 7, in described first locating hole 73, be connected with backstay 6, on described location division 62, be provided with some second locationHole, is provided with described backstay 6 in described second locating hole, be provided with round platform 61 and ball 63 on described backstay 6, described inRound platform 61 is arranged at 62 tops, described location division, on described location division 62, is provided with protective cover 11, on described protective cover 11Arrange porosely 111, the diameter in described hole 111 is larger than the cross section diameter of described backstay 6, described protective cover 11 and described round platformBetween 61, be provided with retainer spring 64, on described sole 8, be provided with some feets 82 and some second back-up blocks 83, described inThe shape of cross section of second back-up block 83 is that right-angled trapezium and bottom are arranged on described sole 8, described second back-up block 83The hypotenuse of the right-angled trapezium of the hypotenuse of right-angled trapezium and described first back-up block 72 is parallel to each other, if described base 1 below is provided withDo pin hole, described in go out in pin hole to be provided with described feet 82, between described first support arm 12 and described second support arm 13Be provided with central shaft 4, on described central shaft 4, be provided with cam part 41, described cam part 41 is arranged on described piston rod 31Described in Fang Binghe, piston rod 31 directly contacts, and described central shaft 4 is connected with turning handle 43, on described turning handle 43, establishesBe equipped with rotating part 42, between described piston rod 31 and described hydraulic pump 3, be provided with back-moving spring 32, described base 1 periphery is establishedBe equipped with some second handles 14.
On described turning handle 43, be also provided with square rotation termination 5, described spanner comprises handle 53 and is fixedly connected onIts front end, there is the socket termination 54 of axial first through hole, in described first through hole, be provided with the rotation with axial square second through holeTerminal, is fixedly connected with ratchet 51 on described rotary terminal, on described socket termination 54, be also provided with ratchet 52.
When the present invention works, need rotary middle spindle 4. Want rotary middle spindle 4, only need to rotate turning handle 43 and just canRealize. After central shaft 3 rotates, cam 41 also rotates thereupon. Cam 41 is due to the characteristic of himself, rotates one week at itIn process, can, by the piston rod being in direct contact with it 31 to pressing down, arrive after a limit, piston rod 31 is depressed into minimum point,Then, cam 41 is rotated further, and piston rod 31 is under the help of spring 32, and upwards jack-up, when cam 41 continues to turn over halfWhen the individual cycle, piston rod 31 just returns to original position. Then cam 41 is rotated further half period, again by downward piston rod 31Press. Circulation so always, piston rod 31 will, under the interaction of cam 41 and spring 32, move reciprocatingly always.Finally, hydraulic pump 3 just can inject hydraulic oil in support portion 2, thus jack just can work, therefore just canTo withstand weight.
In order to make this device there is better practicality, also on turning handle 43, be provided with square rotation termination 5.Arrange like this, just can utilize spanner to rotate termination 5, thereby drive central shaft to rotate, and then just can be by above-mentionedMode, makes jack work. In order to there is better operating characteristics, also on spanner, be provided with ratchet 51 ratchets 52, thisSample arranges, and when using spanner, in the one-period that just can rotate at driving cam 41, spanner need not leave and rotate termination5 adjust position. Can save time like this, greatly facilitate user.
When use make practical when rotating turning handle 43, if do not wear gloves, can be because the effect of friction, palm of the hand meetingBe worn skin. In order to protect user, on turning handle 43, be provided with rotating part 42. Rotating part 42 can be around its oneselfAxis on turning handle 43, rotate. Like this, thus user holds rotating part 42 drives turning handles 43 to rotateTime, just can prevent hand to be worn skin.
Arrange like this, this device can also carry out work in the situation that some are special, on meadow in the wild, veryAs on the ice face in winter or the road surface of some smoother. To common jack, when ground the unevenness of work,The lower ground of base 1 and working face be laminating not well, or on meadow, jack on meadow in stressed feelingsEasily slippage under condition, now, common jack just can not well be worked. In jack-up weight, because place notSteadily, jack may be shifted unexpectedly, finally can cause serious accident.
In order to use in some special environment, this device is provided with slide plate 7 and sole 8, and coordinates slide plate 7The backstay 6 of working with sole 8. Between slide plate 7 and sole 8, first back-moving spring 81 is set, slide plate 7 and base 1 inwall itBetween be provided with some second back-moving springs 71, and be provided with first back-up block 72 and second back-up block 83. Use feelings at normal environmentUnder condition, the feet 82 on sole 8 can not stretch out from going out pin hole, only in the time that particular surroundings is used, and feet 82Stretch out, huge frictional force and earth-grasping force is provided, make this device can not be easy to so be shifted, can be good at avoidingThe generation of contingency. Arrange like this, this device also can be good at working on meadow in the wild, even on ice face,Also have and well grab ground effect. So this device goes for most working environments.
Arrange like this, in the time that particular surroundings is used, thereby can pull first handle 74 to drive slide plate 7 to slide. On slide plate 7First back-up block 72 and sole 8 on second back-up block 83, in the time of normal use, the hypotenuse of right-angled trapezium cross section form tiltedlyFace abuts against each other. In the time that slide plate 7 slides, under the guide effect due to inclined-plane, sole 8 can be pressed down, and like this, supportsPin 82 will stretch out from going out pin hole. Finally, the second back-up block 83 on first back-up block 72 and sole 8 on slide plate 7, it is straightThe plane that the upper base of angle trapezoidal cross-section forms compresses mutually, and like this, first back-up block 72 and second back-up block 83 overlay up and downTogether, just formed one " pillar ". This " pillar " can supported pin 82. Because feet 82 can provideWell frictional force, so this device just can be on meadow or the flat general works of some easy cunnings such as ice face.
Be provided with some second back-moving springs 71 and some first back-moving springs 81, make this device not need practical feet82 time, slide plate 7 and sole 8 can reset automatically, and feet 82 can go back from going out pin hole automatically. For anti-While only use, occur fortuitous event, cause slide plate 7, sole 8 and feet to reset automatically, this device is provided with backstay6. The periphery of first locating hole 73 arranges recess, and like this, in pulling slide plate 7 to slide, backstay 6 is on slide plate 7 surfacesUpper by this recess, can enter very smoothly first locating hole 73. So just slide plate 7 can be located, it can notSet back, so just can make feet 82 normally to work. Because jack when work, being mainly subject to of sole 82Power situation is vertical direction, and horizontal direction does not stress substantially. Using the anti-limited slip plate 7 of backstay 6 to reset so, described locationThe power that bar 6 is received is little, so the diameter of backstay 6 and requirement of strength needn't be too strict.
For convenient pull-out backstay 6, slide plate 7 is set back smoothly, in backstay 6 upper ends, ball 63 is set.User can hold ball 63, and backstay 6 is upwards drawn, and can make backstay 6 leave first locating hole 73, like this,Slide plate 7 just can be unimpeded set back.
The present invention is also provided with second handle 14, arranges like this, in the time that needs are carried this device, can utilize second handle 14,This device is sling to move, also can utilize second handle 14 to drag this device. Second handle 14 makes the move mode of this deviceAbundanter.
The present invention's low cost of manufacture simple in structure, saves material, and has the merit that realizes jack-up weight with labour-saving actionCan, can in short space, use, can also in the extreme environment of some of snowfield and meadow, use, adapt to great majorityWorking environment.
Claims (2)
1. the jack that ground more than is used, comprises base (1), support portion (2), hydraulic pump (3) and spanner, described supportPortion (2) and described hydraulic pump (3) are arranged at described base (1) above and are connected to each other, and described support portion (2) are upper to be arrangedHave plunger (21), described hydraulic pump (3) comprises piston rod (31), it is characterized in that: it is fixed on described base (1), to be provided withPosition portion (62), first support arm (12) and second support arm (13), be provided with slide plate (7) and sole in described base (1)(8), between described slide plate (7) and described sole (8), be provided with some first back-moving springs (81), described slide plate (7) andBetween described base (1) inwall, be provided with some second back-moving springs (71), on described slide plate (7), be provided with first handle (74),First locating hole (73) and some first back-up blocks (72), the shape of cross section of described first back-up block (72) be right-angled trapezium andIt is upper that bottom is arranged at described slide plate (7), is connected with backstay (6), described location division in described first locating hole (73)(62) on, be provided with some second locating holes, in described second locating hole, be provided with described backstay (6), described backstay (6)On be provided with round platform (61) and ball (63), described round platform (61) is arranged at described location division (62) top, described fixedIn position portion (62), be provided with protective cover (11), porose (111) are set on described protective cover (11), described hole (111)Diameter is larger than the cross section diameter of described backstay (6), and it is fixed between described protective cover (11) and described round platform (61), to be provided withPosition spring (64), is provided with some feets (82) and some second back-up blocks (83) on described sole (8), described second is propped upThe shape of cross section of bracer (83) is that right-angled trapezium and bottom are arranged at described sole (8) above, described second back-up block(83) hypotenuse of the right-angled trapezium of the hypotenuse of right-angled trapezium and described first back-up block (72) is parallel to each other, described base (1)Below be provided with some go out pin hole, described in go out in pin hole, to be provided with described feet (82), described first support arm (12) and instituteState between second support arm (13) and be provided with central shaft (4), on described central shaft (4), be provided with cam part (41), described protrudingWheel portion (41) is arranged at described piston rod (31) top and directly contacts described central shaft (4) with described piston rod (31)Be connected with turning handle (43), on described turning handle (43), be provided with rotating part (42), described piston rod (31) and instituteState between hydraulic pump (3) and be provided with back-moving spring (32), described base (1) periphery is provided with some second handles (14).
2. the jack that a kind of many ground according to claim 1 is used, is characterized in that: described turning handle (43) is also upperBe provided with square rotation termination (5), described spanner comprise handle (53) and be fixedly connected on its front end, to have axial first logicalThe socket termination (54) in hole, is provided with the rotary terminal with axial square second through hole in described first through hole, described rotary terminalOn be fixedly connected with ratchet (51), on described socket termination (54), be also provided with ratchet (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237224.4A CN103991816B (en) | 2014-05-30 | 2014-05-30 | The jack that a kind of many ground is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237224.4A CN103991816B (en) | 2014-05-30 | 2014-05-30 | The jack that a kind of many ground is used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103991816A CN103991816A (en) | 2014-08-20 |
| CN103991816B true CN103991816B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410237224.4A Active CN103991816B (en) | 2014-05-30 | 2014-05-30 | The jack that a kind of many ground is used |
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| Country | Link |
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| CN (1) | CN103991816B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285105A (en) * | 2018-03-29 | 2018-07-17 | 邳州高新区新能源技术研究院有限公司 | A kind of automatic lifting hydraulic jack |
| CN108708299A (en) * | 2018-05-25 | 2018-10-26 | 李袁宗 | A kind of bridge jacking device |
| CN110668345A (en) * | 2019-10-30 | 2020-01-10 | 泰州市汇顶机械制造有限公司 | Mechanical jack convenient to remove |
| CN115057383A (en) * | 2022-07-18 | 2022-09-16 | 宁波天益齿轴齿轮有限公司 | High-efficiency hydraulic jack |
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| US3976172A (en) * | 1974-11-22 | 1976-08-24 | The United States Of America As Represented By The Secretary Of The Army | Brake |
| CN2272432Y (en) * | 1996-08-30 | 1998-01-14 | 刘五星 | Portable automatic hydraulic jack |
| CN2804049Y (en) * | 2005-05-30 | 2006-08-09 | 邓国成 | Hydraulic jack |
| CN201214616Y (en) * | 2008-05-09 | 2009-04-01 | 郑元 | Electric hydraulic vertical jack |
| CN201850109U (en) * | 2010-06-17 | 2011-06-01 | 崔金波 | Electrically-controlled pneumatic jack |
| US8550434B1 (en) * | 2012-01-17 | 2013-10-08 | Kai Hsiang Traffic Appliance Co. Ltd. | Cylinder jack stand |
| CN203865956U (en) * | 2014-05-26 | 2014-10-08 | 宁波天益齿轴齿轮有限公司 | Jack suitable for small space |
| CN203865942U (en) * | 2014-05-26 | 2014-10-08 | 宁波天益齿轴齿轮有限公司 | Movable jack suitable for multiple environments |
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2014
- 2014-05-30 CN CN201410237224.4A patent/CN103991816B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976172A (en) * | 1974-11-22 | 1976-08-24 | The United States Of America As Represented By The Secretary Of The Army | Brake |
| CN2272432Y (en) * | 1996-08-30 | 1998-01-14 | 刘五星 | Portable automatic hydraulic jack |
| CN2804049Y (en) * | 2005-05-30 | 2006-08-09 | 邓国成 | Hydraulic jack |
| CN201214616Y (en) * | 2008-05-09 | 2009-04-01 | 郑元 | Electric hydraulic vertical jack |
| CN201850109U (en) * | 2010-06-17 | 2011-06-01 | 崔金波 | Electrically-controlled pneumatic jack |
| US8550434B1 (en) * | 2012-01-17 | 2013-10-08 | Kai Hsiang Traffic Appliance Co. Ltd. | Cylinder jack stand |
| CN203865956U (en) * | 2014-05-26 | 2014-10-08 | 宁波天益齿轴齿轮有限公司 | Jack suitable for small space |
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|---|---|
| CN103991816A (en) | 2014-08-20 |
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