CN109095381A - A kind of mechanical type hydraulic jack - Google Patents
A kind of mechanical type hydraulic jack Download PDFInfo
- Publication number
- CN109095381A CN109095381A CN201811127661.5A CN201811127661A CN109095381A CN 109095381 A CN109095381 A CN 109095381A CN 201811127661 A CN201811127661 A CN 201811127661A CN 109095381 A CN109095381 A CN 109095381A
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- Prior art keywords
- fixed
- bar
- support
- mechanical type
- type hydraulic
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F15/00—Crowbars or levers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of mechanical type hydraulic jack, including fixed support base, the bottom face of the fixed support base is equipped with telescopic supporting rod, there are four telescopic supporting rods, one end of the telescopic supporting rod is equipped with support connection cross bar, the other end of the support connection cross bar is equipped with connection buckle, the upper surface of the fixed support base is equipped with annular brace seat, the outer surface of the annular brace seat is equipped with gusseted block, there are four gusseted blocks, the side of the annular brace seat is equipped with round fixed pipe sleeve, the side of the fixed support base is equipped with connection pedestal, the upper surface of the connection pedestal is equipped with plunger fixing pipe, the upper surface of the plunger fixing pipe is equipped with sealed plunger, the upper surface of the sealed plunger, which is equipped with, is connected and fixed piece.The present invention takes up a large area the device pedestal by being provided with a series of structure, is not easy to topple over, and does not need additional tool and assist to work.
Description
Technical field
The present invention relates to hydraulic jack technical field, specially a kind of mechanical type hydraulic jack.
Background technique
Jack, which is divided into, mechanic jacks and hydraulic jack etc., and principle is had nothing in common with each other, in principle, hydraulic biography
The dynamic most basic principle being based on is exactly Pascal's law, in this way, smaller piston upper applies in the system of balance
Pressure it is smaller, and the pressure applied on big piston is also bigger, is able to maintain the static of liquid in this way, so passing through liquid
The transmitting of body, different pressure on available difference ends, so that it may achieve the purpose that a transformation, people the common liquid arrived
Pressing jack is exactly the transmitting that this principle is utilized to reach power, and back and forth to pull handle, pusher dog is pushed on jin top under spiral
Ratchet gap revolution, cone pinion drive large bevel gear, make weight lifting screw rod rotate, thus make jacking sleeve obtain raising or under
Drop, and reaches the function of lifting pulling force, but not as good as hydraulic jack Simple jack by structure feature can be divided into rack-jack,
Screw jack and three kinds of (oil pressure) jack hydraulic, wherein common jack has screw jack, hydraulic jack item, electronic
Very heavy item etc..
But a kind of existing mechanical type hydraulic jack base in the market is smaller, easily topples over, and needs additional work
Tool auxiliary could work；Therefore, it is unsatisfactory for existing demand, we have proposed a kind of mechanical type hydraulic jack to this.
Summary of the invention
The purpose of the present invention is to provide a kind of mechanical type hydraulic jack, mentioned above in the background art existing to solve
A kind of mechanical type hydraulic jack volume of some in the market is big and heavy, is not easy to carry, and the component of used transmission mechanism holds
It is easy to wear, so that the problems such as the higher cost of the device.
To achieve the above object, the invention provides the following technical scheme: a kind of mechanical type hydraulic jack, including fixation are propped up
Pedestal is supportted, the bottom face of the fixed support base is equipped with telescopic supporting rod, and there are four telescopic supporting rods, the retractable support
One end of bar is equipped with support connection cross bar, and the other end of the support connection cross bar is equipped with connection buckle, the fixed branch
The upper surface of support pedestal is equipped with annular brace seat, and the outer surface of the annular brace seat is equipped with gusseted block, triangle branch
There are four bracers, and the side of the annular brace seat is equipped with round fixed pipe sleeve, the side installation of the fixed support base
There is connection pedestal, the upper surface of the connection pedestal is equipped with plunger fixing pipe, and the upper surface of the plunger fixing pipe is equipped with
Sealed plunger, the upper surface of the sealed plunger, which is equipped with, is connected and fixed piece, and piece and the sealed plunger of being connected and fixed passes through admittedly
Determine bolt connection, the side of the plunger fixing pipe is equipped with drum connecting rod, and the drum connecting rod passes through with pedestal is connect
Fixed latches connection, the drum connecting rod be connected and fixed piece and connect by Fixed latches, the upper end for being connected and fixed piece
Ring sleeve is installed, the upper surface of the annular brace seat is equipped with jack main body, the side peace of the jack main body
Equipped with the fixed pipe sleeve of circle, being equipped with Telescopic pry bar on the inside of the round fixed pipe sleeve, the jack main body it is upper
End is equipped with threaded post, and the upper end of the threaded post is equipped with small support chip, and the upper end of the small support chip is equipped with big support
Piece, the big support chip are connect with small support chip by small support chip, and the jack main body is internally provided with the first warehouse,
Annular separation is installed on the inside of first warehouse, the annular separation is internally provided with third warehouse, and described
The upper end of three warehouses is provided with push rod, and the upper end of the push rod is equipped with diaphragm seal, and the upper end of the diaphragm seal is equipped with hydraulic
Support rod, the outer surface of the hydraulic pressure support bar are equipped with roller bearing, and the bottom end of the third warehouse is provided with liquid outlet, institute
It states and the second ball is installed on the inside of liquid outlet, the side of the liquid outlet is equipped with punch rod, the bottom end of first warehouse
It is provided with liquid sucting port, the first ball is installed on the inside of the liquid sucting port, the bottom end of the sealed plunger is provided with the second warehouse.
Preferably, the Telescopic pry bar includes fixing stock, slidable cannula, spring and scalable pellet, described solid
The outer surface of connecting-rods with constant lengh is equipped with slidable cannula, and there are two slidable cannulas, and the inside of the fixed stock is equipped with spring,
There are two springs, and one end of the spring is equipped with scalable pellet.
Preferably, the side of the gusseted block is equipped with circular connecting pipe, one end installation of the circular connecting pipe
There is thread seal bar, the outer surface of the thread seal bar is equipped with round fixed column.
Preferably, one end of the support connection cross bar is bonded completely with telescopic supporting rod, the support connect cross bar and
By being welded and fixed, the other end of the support connection cross bar is bonded telescopic supporting rod completely with one end of connection buckle, described
Support connection cross bar is with connection buckle by being welded and fixed.
Preferably, the upper surface of the threaded post is bonded completely with the bottom face of small support chip, the threaded post and ramuscule
For blade by being welded and fixed, the low side office of the threaded post extends to the inside of hydraulic pressure support bar, the threaded post and hydraulic branch
Strut is connected by internal screw thread.
Preferably, the lower end of the ring sleeve is bonded completely with the upper surface for being connected and fixed piece, the ring sleeve with
Piece is connected and fixed by being welded and fixed.
Preferably, the upper surface of the small support chip extends to the inside of big support chip, the small support chip and big support
Piece is snapped connection by cross.
Preferably, the bottom face of the jack main body is bonded completely with the upper surface of annular brace seat, the jack
Main body is with annular brace seat by being welded and fixed.
Preferably, one end of the spring is bonded completely with the bottom end of scalable pellet, the scalable pellet and spring
It is connected by adhesive.
Preferably, the round fixed column runs through thread seal bar, and the circle fixed column and thread seal bar pass through card
Button connection.
Compared with prior art, the beneficial effects of the present invention are:
1, for the present invention by being equipped with telescopic supporting rod in the bottom face of fixed support base, there are four telescopic supporting rods, stretches
One end of support rod is equipped with support connection cross bar, and the other end of support connection cross bar is equipped with connection buckle, so that the device
Greatly increased with the contact area on ground, so that the device is not easy to topple over.
2, the present invention includes fixed length by being equipped with Telescopic pry bar, Telescopic pry bar on the inside of the fixed pipe sleeve of circle
The outer surface of bar, slidable cannula, spring and scalable pellet, fixed stock is equipped with slidable cannula, and slidable cannula has
Two, the inside of fixed stock is equipped with spring, and there are two springs, and one end of spring is equipped with scalable pellet, so that ripping bar
It can be easily placed on one end of jack, so that the device does not need additional tool.
3, for the present invention by being equipped with threaded post in the upper end of jack main body, the upper end of threaded post is equipped with small support
Piece, the upper end of small support chip are equipped with big support chip, and big support chip is connect with small support chip by small support chip, so that the device
Become larger with the contact area for the object being pushed up, not will cause the deformation of jacked object body.
4, the present invention is by being equipped with annular brace seat, the outer surface of annular brace seat in the upper surface of fixed support base
Gusseted block is installed, there are four gusseted blocks, and the side of gusseted block is equipped with circular connecting pipe, circular connecting pipe
One end thread seal bar is installed, the outer surface of thread seal bar is equipped with round fixed column, the side peace of annular brace seat
Equipped with the fixed pipe sleeve of circle, the side of fixed support base is equipped with connection pedestal, can firmly fix the device.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is side structure schematic diagram of the invention；
Fig. 3 is half section structure diagram of the invention；
Fig. 4 is the partial structural diagram of support chip of the invention；
Fig. 5 is the partial structural diagram of fixation support base of the invention；
Fig. 6 is the half section structure diagram of fixation support base of the invention；
Fig. 7 is the partial structural diagram of Telescopic pry bar of the invention；
Fig. 8 is the half section structure diagram of Telescopic pry bar of the invention.
In figure: 1, fixed support base；2, gusseted block；3, jack main body；4, ring sleeve；5, big support chip；
6, round fixed pipe sleeve；7, Telescopic pry bar；8, circular connecting pipe；9, round fixed column；10, thread seal bar；11, plunger is solid
Fixed pipe；12, pedestal is connected；13, it is connected and fixed piece；14, drum connecting rod；15, Fixed latches；16, sealed plunger；17, screw thread
Column；18, small support chip；19, fixed stock；20, hydraulic pressure support bar；21, telescopic supporting rod；22, support connection cross bar；23, even
Connect buckle；24, spring；25, scalable pellet；26, annular separation；27, roller bearing；28, push rod；29, punch rod；30,
Liquid sucting port；31, the first ball；32, the second ball；33, liquid outlet；34, diaphragm seal；35, third warehouse；36, the first warehouse；
37, the second warehouse；38, cross buckle；39, annular brace seat；40, slidable cannula.
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.
Fig. 1-8 is please referred to, a kind of embodiment provided by the invention: a kind of mechanical type hydraulic jack, including fixed support
The bottom face of pedestal 1, fixed support base 1 is equipped with telescopic supporting rod 21, and there are four telescopic supporting rods 21, telescopic supporting rod 21
One end be equipped with support connection cross bar 22, support connection cross bar 22 the other end connection buckle 23 is installed so that the device
Greatly increased with the contact area on ground, so that the device is not easy to topple over, the upper surface peace of fixed support base 1
Equipped with annular brace seat 39, the outer surface of annular brace seat 39 is equipped with gusseted block 2, and there are four gusseted blocks 2, annular
The side of support base 39 is equipped with round fixed pipe sleeve 6, and the side of fixed support base 1 is equipped with connection pedestal 12, can jail
The device is fixed in jail, and the upper surface of connection pedestal 12 is equipped with plunger fixing pipe 11, the upper surface peace of plunger fixing pipe 11
Equipped with sealed plunger 16, the upper surface of sealed plunger 16, which is equipped with, is connected and fixed piece 13, is connected and fixed piece 13 and sealed plunger 16
Connected by Fixed latches 15, the side of plunger fixing pipe 11 is equipped with drum connecting rod 14, drum connecting rod 14 with connect bottom
Seat 12 is connected by Fixed latches 15, and drum connecting rod 14 is connect with being connected and fixed piece 13 and pass through Fixed latches 15, is connected and fixed
The upper end of piece 13 is equipped with ring sleeve 4, and the upper surface of annular brace seat 39 is equipped with jack main body 3, jack main body 3
The useful round fixed pipe sleeve 6 of side installation, the inside of the fixed pipe sleeve 6 of circle are equipped with Telescopic pry bar 7, jack main body 3
Upper end is equipped with threaded post 17, and the upper end of threaded post 17 is equipped with small support chip 18, and the upper end of small support chip 18 is equipped with big branch
Blade 5, big support chip 5 and small support chip 18 connects by small support chip 18, so that the device and the object being pushed up
Contact area becomes larger, and not will cause the deformation of jacked object body, and jack main body 3 is internally provided with the first warehouse 36, the first storehouse
The inside of room 36 is equipped with annular separation 26, and annular separation 26 is internally provided with third warehouse 35, third warehouse 35
Upper end is provided with push rod 28, and the upper end of push rod 28 is equipped with diaphragm seal 34, and the upper end of diaphragm seal 34 is equipped with hydraulic pressure support bar 20,
The outer surface of hydraulic pressure support bar 20 is equipped with roller bearing 27, and the bottom end of third warehouse 35 is provided with liquid outlet 33, liquid outlet 33
Inside the second ball 32 is installed, the side of liquid outlet 33 is equipped with punch rod 29, and the bottom end of the first warehouse 36 is provided with suction
Liquid mouth 30, the inside of liquid sucting port 30 are equipped with the first ball 31, and the bottom end of sealed plunger 16 is provided with the second warehouse 37.
Further, Telescopic pry bar 7 includes fixed stock 19, slidable cannula 40, spring 24 and scalable pellet 25, Gu
The outer surface of connecting-rods with constant lengh 19 is equipped with slidable cannula 40, and there are two slidable cannulas 40, and the inside of fixed stock 19 is equipped with
Spring 24, there are two springs 24, and one end of spring 24 is equipped with scalable pellet 25, allow Telescopic pry bar 7 easily
It is placed on one end of jack, so that the device does not need additional tool.
Further, the side of gusseted block 2 is equipped with circular connecting pipe 8, and one end of circular connecting pipe 8 is equipped with screw thread
Sealing bar 10, the outer surface of thread seal bar 10 is equipped with round fixed column 9, after work, can rapidly restore this
Device.
Further, one end of support connection cross bar 22 is bonded completely with telescopic supporting rod 21, and support connects cross bar 22 and stretches
By being welded and fixed, the other end of support connection cross bar 22 is bonded contracting support rod 21 completely with one end of connection buckle 23, is supported
Connection cross bar 22 passes through with connection buckle 23 to be welded and fixed, so that the device is not easy to topple over.
Further, the upper surface of threaded post 17 is bonded completely with the bottom face of small support chip 18, threaded post 17 and small support
For piece 18 by being welded and fixed, the bottom face of threaded post 17 extends to the inside of hydraulic pressure support bar 20, threaded post 17 and hydraulic pressure support
Bar 20 is connected by internal screw thread, by the use of threaded post 17, can be jacked up and be carried out higher object.
Further, the lower end of ring sleeve 4 is bonded completely with the upper surface for being connected and fixed piece 13, ring sleeve 4 with connect
Fixinig plate 13 can make the device preferably work, and working efficiency gets a promotion by being welded and fixed.
Further, the upper surface of small support chip 18 extends to the inside of big support chip 5, small support chip 18 and big support chip 5
By cross 38 connection of buckle, so that the contact area of the device and the object being pushed up becomes larger, it not will cause and pushed up
The deformation of object.
Further, the bottom face of jack main body 3 is bonded completely with the upper surface of annular brace seat 39, jack main body 3
With annular brace seat 39 by being welded and fixed, the device can be made to bear bigger active force.
Further, one end of spring 24 is bonded completely with the bottom end of scalable pellet 25, scalable pellet 25 and spring 24
It is connected by adhesive, scalable pellet 25 is allowed firmly to fix Telescopic pry bar 7.
Further, round fixed column 9 runs through thread seal bar 10, and round fixed column 9 passes through buckle with thread seal bar 10
Connection, compact can more easily work.
Working principle: in use, support connection cross bar 22 is moved in the sliding slot inside fixed support base 1, pass through
Connection buckle 23 moves to one end of fixed 1 inside sliding slot of support base, and the device is allowed to increase the contact surface with ground
Product, by judging the size of jacked object body, selection uses big support chip 5 or small support chip 18, which is placed on and is pushed up
Underbelly takes out Telescopic pry bar 7, by pressing scalable pellet 25, so that slidable cannula 40 is in fixed stock 19
Outer surface move to suitable position after, closely pasted by scalable pellet 25 and the location hole of 40 outer surface of slidable cannula
It closes, slidable cannula 40 is firmly fixed, Telescopic pry bar 7 is placed on to the inside of ring sleeve 4, by scalable
Ripping bar 7 presses ring sleeve 4, allows about 16 shuttling movement of sealed plunger, so that when sealed plunger 16 moves upwards,
Liquid in the first warehouse 36 enters the inside of the second warehouse 37, and sealed plunger 16 is located at second when moving downward
Liquid in warehouse 37 enters the inside of third warehouse 35, and hydraulic pressure support bar 20 is moved all the way up, thus will
Jacked object body, which jacks up, to be come, and after work, by rotation 10, allows the liquid being located inside third warehouse 35 quick
The inside for entering the first warehouse 36, returns hydraulic pressure support bar 20 rapidly, so that being landed by jack-up object.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of mechanical type hydraulic jack, including it is fixed support base (1), it is characterised in that: the fixed support base (1)
Bottom face be equipped with telescopic supporting rod (21), there are four telescopic supporting rods (21), one end of the telescopic supporting rod (21) peace
Cross bar (22) are connected equipped with support, the other end of support connection cross bar (22) is equipped with connection buckle (23), the fixation
The upper surface of support base (1) is equipped with annular brace seat (39), and the outer surface of the annular brace seat (39) is equipped with triangle
Supporting block (2), there are four gusseted blocks (2), and the side of the annular brace seat (39) is equipped with round fixed pipe sleeve (6),
The side of the fixed support base (1) is equipped with connection pedestal (12), and the upper surface of connection pedestal (12) is equipped with column
It fills in fixing pipe (11), the upper surface of the plunger fixing pipe (11) is equipped with sealed plunger (16), the sealed plunger (16)
Upper surface, which is equipped with, to be connected and fixed piece (13), and be connected and fixed piece (13) and sealed plunger (16) are connected by Fixed latches (15)
Connect, the side of the plunger fixing pipe (11) is equipped with drum connecting rod (14), the drum connecting rod (14) with connect pedestal
(12) it is connected by Fixed latches (15), the drum connecting rod (14) passes through Fixed latches (15) company with piece (13) are connected and fixed
It connects, the upper end for being connected and fixed piece (13) is equipped with ring sleeve (4), and the upper surface of the annular brace seat (39) is equipped with
Jack main body (3), the side installation of the jack main body (3) is useful round fixed pipe sleeve (6), the round fixed pipe sleeve
(6) it is equipped on the inside of Telescopic pry bar (7), the upper end of the jack main body (3) is equipped with threaded post (17), the screw thread
The upper end of column (17) is equipped with small support chip (18), and the upper end of the small support chip (18) is equipped with big support chip (5), described big
Support chip (5) is connect with small support chip (18) by small support chip (18), and the jack main body (3) is internally provided with first
Warehouse (36) is equipped with annular separation (26) on the inside of first warehouse (36), the inside of the annular separation (26)
It is provided with third warehouse (35), the upper end of the third warehouse (35) is provided with push rod (28), the upper end peace of the push rod (28)
Equipped with diaphragm seal (34), the upper end of the diaphragm seal (34) is equipped with hydraulic pressure support bar (20), the hydraulic pressure support bar (20)
Outer surface is equipped with roller bearing (27), and the bottom end of the third warehouse (35) is provided with liquid outlet (33), the liquid outlet
(33) it is equipped on the inside of the second ball (32), the side of the liquid outlet (33) is equipped with punch rod (29), first storehouse
The bottom end of room (36) is provided with liquid sucting port (30), is equipped with the first ball (31), the sealing on the inside of the liquid sucting port (30)
The bottom end of plunger (16) is provided with the second warehouse (37).
2. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: Telescopic pry bar (7) packet
Include fixed stock (19), slidable cannula (40), spring (24) and scalable pellet (25), the appearance of the fixed stock (19)
Face is equipped with slidable cannula (40), and there are two slidable cannulas (40), and the inside of the fixed stock (19) is equipped with spring
(24), there are two springs (24), one end of the spring (24) is equipped with scalable pellet (25).
3. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: the gusseted block (2)
Side is equipped with circular connecting pipe (8), and one end of the circular connecting pipe (8) is equipped with thread seal bar (10), the screw thread
The outer surface of sealing bar (10) is equipped with round fixed column (9).
4. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: the support connects cross bar (22)
One end be bonded completely with telescopic supporting rod (21), support connection cross bar (22) and telescopic supporting rod (21) is solid by welding
Fixed, the other end of support connection cross bar (22) is bonded completely with one end of connection buckle (23), and the support connects cross bar
(22) with connection buckle (23) by being welded and fixed.
5. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: the upper end of the threaded post (17)
Face is bonded completely with the bottom face of small support chip (18), and the threaded post (17) passes through with small support chip (18) to be welded and fixed, institute
The bottom face for stating threaded post (17) extends to the inside of hydraulic pressure support bar (20), the threaded post (17) and hydraulic pressure support bar (20)
It is connected by internal screw thread.
6. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: under the ring sleeve (4)
It holds and is bonded completely with the upper surface for being connected and fixed piece (13), the ring sleeve (4) passes through welding admittedly with piece (13) are connected and fixed
It is fixed.
7. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: the small support chip (18) it is upper
End face extends to the inside of big support chip (5), and the small support chip (18) and big support chip (5) are connected by cross buckle (38)
It connects.
8. a kind of mechanical type hydraulic jack according to claim 1, it is characterised in that: the jack main body (3)
Bottom face is bonded completely with the upper surface of annular brace seat (39), and the jack main body (3) passes through with annular brace seat (39)
It is welded and fixed.
9. a kind of mechanical type hydraulic jack according to claim 2, it is characterised in that: one end of the spring (24) with
The bottom end of scalable pellet (25) is bonded completely, and the scalable pellet (25) is connect with spring (24) by adhesive.
10. a kind of mechanical type hydraulic jack according to claim 3, it is characterised in that: the circle fixed column (9) is passed through
It wears thread seal bar (10), the circle fixed column (9) is connected by a snap with thread seal bar (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127661.5A CN109095381A (en) | 2018-09-27 | 2018-09-27 | A kind of mechanical type hydraulic jack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127661.5A CN109095381A (en) | 2018-09-27 | 2018-09-27 | A kind of mechanical type hydraulic jack |
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| CN109095381A true CN109095381A (en) | 2018-12-28 |
Family
ID=64867122
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| CN201811127661.5A Pending CN109095381A (en) | 2018-09-27 | 2018-09-27 | A kind of mechanical type hydraulic jack |
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| CN110578482A (en) * | 2019-10-11 | 2019-12-17 | 谢耀志 | Wellhead casing pipe dismounting device |
| CN111778898A (en) * | 2020-06-24 | 2020-10-16 | 浙江常青公路工程有限公司 | Mountain region highway rail guard of dish |
| CN111792554A (en) * | 2020-07-22 | 2020-10-20 | 李中留 | Strutting arrangement for mechanical maintenance |
| CN112162592A (en) * | 2020-08-14 | 2021-01-01 | 佛山市淼众科技有限公司 | Anti-toppling structure for desktop computer |
| CN113911950A (en) * | 2021-11-22 | 2022-01-11 | 中建八局第二建设有限公司 | Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut |
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| CN201914886U (en) * | 2010-11-30 | 2011-08-03 | 广东石油化工学院 | Novel universal jack |
| CN207002104U (en) * | 2017-07-19 | 2018-02-13 | 南昌意达机械配件有限公司 | A kind of universal auxiliary support apparatus |
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Application publication date: 20181228 |