CN108358104A - A kind of transformable hydraulic jack of bearing area - Google Patents
A kind of transformable hydraulic jack of bearing area Download PDFInfo
- Publication number
- CN108358104A CN108358104A CN201810170426.XA CN201810170426A CN108358104A CN 108358104 A CN108358104 A CN 108358104A CN 201810170426 A CN201810170426 A CN 201810170426A CN 108358104 A CN108358104 A CN 108358104A
- Authority
- CN
- China
- Prior art keywords
- face
- support plate
- backup pad
- block
- upper backup
- 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
Links
Classifications
-
- 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
- B66F3/43—Pyrotechnical jacks
-
- 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
-
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/05—Hydraulic jacks
- B66F2700/052—Support- or transmission members
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
- Machine Tool Units (AREA)
Abstract
The invention belongs to hydraulic jack technical fields, more particularly to a kind of transformable hydraulic jack of bearing area, it includes the first lower supporting plate, the second lower supporting plate, supporting mechanism, first connecting plate etc., wherein the first lower supporting plate upper surface middle is symmetrically installed, there are two the second lower supporting plates；Supporting mechanism is mounted in two the second upper end face of support plate.Hydraulic jack in the present invention can become larger relative to traditional hydraulic jack bearing area to become smaller; when the bearing area of the hydraulic jack in the present invention is smaller; for identical load, the purpose for protecting hydraulic jack not to be damaged can be effectively accomplished；When the bearing area of the hydraulic jack in the present invention is larger; when bearing area relative to hydraulic jack is smaller; the pressure being subject on unit area on supporting surface is smaller; it is also smaller to the destruction of supporting surface; when support force is less than the bearing capacity of supporting surface, can achieve the purpose that loading end is protected not destroyed.
Description
Technical field
The invention belongs to hydraulic jack technical field more particularly to a kind of transformable hydraulic jacks of bearing area.
Background technology
Current existing hydraulic jack mostly uses the jack of plunger or hydraulic cylinder as rigid top lift part.With structure
Compact, stable working, it is big to shore power, can self-locking the features such as.The support ability of hydraulic jack is strong, but the branch of hydraulic jack
Support face will not change, when the load support face that reply is easily broken, it is evident that the hydraulic jack supporting surface of small area is very
It is easy to damage load support face, so just needing to design a kind of transformable hydraulic jack of bearing area.
A kind of transformable hydraulic jack of bearing area of present invention design solves the problems, such as above.
Invention content
To solve drawbacks described above in the prior art, the present invention discloses a kind of transformable hydraulic jack of bearing area,
It is realized using following technical scheme.
A kind of transformable hydraulic jack of bearing area, it is characterised in that：It include the first lower supporting plate, second lower
Fagging, supporting mechanism, the first connecting plate, driving mechanism, guiding mechanism, hydraulic top mechanism, wherein the first lower supporting plate upper surface
Middle is symmetrically installed there are two the second lower supporting plate；Supporting mechanism is mounted in two the second upper end face of support plate；Two are drawn
It leads mechanism to be symmetrically mounted on supporting mechanism two sides, and the both ends of two guiding mechanisms are connected to one by the first connecting plate
It rises；Two driving mechanisms are separately mounted in two guiding mechanisms；Liang Ge hydraulic tops mechanism is respectively symmetrically distributed in first lower
Fagging on both sides of the upper end, and hydraulic top mechanism coordinates with supporting mechanism.
Above-mentioned supporting mechanism includes the first upper backup pad, the second fixing axle, the first cambered surface, the second upper backup pad, the second arc
Face, third cambered surface, the first upper backup pad of two of which are provided with the first cambered surface on upper surface；Two the first upper backup pad lower faces
On be provided with the second cambered surface；Two the first upper backup pad lower faces are separately mounted on two the second lower supporting plate upper surfaces；The
It is provided with third cambered surface on two upper backup pad two sides；Second upper backup pad is mounted between two the first upper backup pads, and the
On two upper backup pad two sides third cambered surface coordinate respectively with the first cambered surface for being opened on two the first upper backup pads；Each
The second fixing axle is mounted on first upper backup pad.
Above-mentioned guiding mechanism includes guide rail, movement slots, third fixed block, the second connecting plate, the second inclined-plane, second unidirectional
Block, second spring, set casing, third connecting plate, wherein second connecting plate one end is mounted on the second upper backup pad side；Two
Movement slots are provided on guide rail；It is provided with teeth on movement slots lower face side on two guide rails；Two guide rails are symmetrically installed
On the second connecting plate lower end face, and movement slots are slidably matched with the second fixing axle；Third connecting plate be mounted on two guide rails it
Between gap in；Institute's mounting structure is symmetrical about third connecting plate on two guide rails, for one of them；It installs set casing one end
On guide rail lower face；It is provided with the second inclined-plane on second unidirectional block side；Second unidirectional block is by being slidably installed in fixation
In shell, and the second inclined-plane face third connecting plate；Second spring is located in set casing, and it is unidirectional that second spring one end is mounted on second
On block end face, the other end is mounted on fixed inner face；Third fixed block one end is mounted remotely from guide rail far from set casing side
End face on.
Above-mentioned driving mechanism includes the first rack, the first fixing axle, the first support plate, the second rack, the first drive ring, the
Two fixed blocks, the second drive ring, the first driving gear, the first fixed block, the second three-level hydraulic cylinder, the second three-level telescopic rod,
In second three-level hydraulic cylinder one end be mounted on third fixed block end face on；First drive ring periphery is mounted on the second three-level hydraulic pressure
On cylinder end face, and the first drive ring inner headed face coordinates with one of them second fixing axle periphery；It installs first fixed block one end
On the first drive ring periphery；The lower face of second rack side is mounted on the first fixed block upper surface；First support plate
It installs on third connecting plate upper surface one end；First fixing axle is mounted in the first support plate；First driving gear is mounted on the
In one fixing axle, and the first driving gear is engaged with the second rack；Second drive ring is mounted remotely from the second of the first drive ring
In fixing axle；4th fixed block one end is mounted on the second drive ring periphery；It is solid that second fixed block lower face is mounted on the 4th
Determine on block upper surface；First rack side lower face is mounted on the second fixed block upper surface, and the first rack and the first driving
Gear engages；Second three-level telescopic rod one end is mounted on the second drive ring periphery, and the other end is arranged close to the second driving
On the third fixed block of ring.
Above-mentioned hydraulic top mechanism includes zigzag support plate, the second square groove, the first square groove, guide post, support spring, first
Three-level telescopic rod, shape of chinese word Ji support plate, the first three-level hydraulic cylinder, middle support plate, the first unidirectional block, the first spring, pushing block,
One inclined-plane, wherein first three-level hydraulic cylinder one end is mounted on the first lower supporting plate upper surface；In shape of chinese word Ji lower end face of support plate
Between lower face be mounted on the first three-level hydraulic cylinder end face on；Middle upper end face of support plate is mounted on the second upper backup pad lower face
On, and middle lower end face of support plate and the upper surface cooperation of shape of chinese word Ji support plate middle are installed.
Mounting structure is symmetrical about shape of chinese word Ji support plate median plane on shape of chinese word Ji support plate both sides, for wherein one
It is a, the first square groove is provided on two guide post end faces, two the second square grooves of guide post are opposite to be mounted on shape of chinese word Ji support plate one
On the upper surface of side；Mounting structure on two guide posts is identical, for one of them, is provided on the first unidirectional block end face
First inclined-plane；First unidirectional block is by being slidably installed in the first square groove, and the first inclined-plane on the first unidirectional block is downward
Distribution；First spring is located in the first square groove, and the first spring one end is mounted on the first square groove end face, and the other end is mounted on first
On unidirectional block end face；Two first three-level telescopic rod one end are installed in the shape of chinese word Ji upper end face of support plate between two guide posts
On；Pushing block is mounted on two the first three-levels and stretches in rod end surface；It is nested with support bullet on the outside of each first three-level telescopic rod
Spring；Support spring one end is mounted in shape of chinese word Ji upper end face of support plate, and the other end is mounted on pushing block；Zigzag support plate end
The second square groove penetrated through there are two being opened on face；Zigzag support plate one end be mounted on pushing block upper surface on, and the second square groove with draw
Guide post is slidably matched；The other end of zigzag support plate is mounted on the second lower supporting plate side.
Above-mentioned first connecting plate is mounted on two guide rails in two guiding mechanisms；Second fixing axle is located in guide rail
Teeth are provided on periphery.
As being further improved for this technology, above-mentioned first spring is compressed spring；Second spring is compressed spring.
As being further improved for this technology, when hydraulic jack bearing area does not become larger, above-mentioned support spring is in
Compressive state.
As being further improved for this technology, above-mentioned first driving gear is mounted on by bearing in the first fixing axle.
As being further improved for this technology, the radius of curvature of above-mentioned second cambered surface is more than the radius of curvature of the first cambered surface.
As being further improved for this technology, solid lubrication oil is coated between above-mentioned first square groove and guide post.
Relative to traditional hydraulic jack technology, the hydraulic jack in the present invention is relative to traditional hydraulic jack
Bearing area can become larger and become smaller, when the bearing area of the hydraulic jack in the present invention is smaller, for identical load,
The purpose for protecting hydraulic jack not to be damaged can be effectively accomplished；When the hydraulic jack in the present invention bearing area compared with
When big, when the bearing area relative to hydraulic jack is smaller, the pressure being subject on unit area on supporting surface is smaller, to support
The destruction in face is also smaller, when support force is less than the bearing capacity of supporting surface, can reach and protect loading end not by the mesh destroyed
's.
It is just that the first lower supporting plate upper surface middle, which is symmetrically installed there are two the effect of the second lower supporting plate, in the present invention
In two the first upper backup pads of support；It is negative that the effect that supporting mechanism is mounted in two the second upper end face of support plate is easy for support
It carries, to have the function that top load；The effect that two guiding mechanisms are symmetrically mounted on supporting mechanism two sides is easy for drawing
Lead the movement of the first upper backup pad；It is solid that the effect that two driving mechanisms are separately mounted in two guiding mechanisms is easy for driving second
Dead axle moves along the rail；Liang Ge hydraulic tops mechanism is respectively symmetrically distributed in the first lower supporting plate on both sides of the upper end, and hydraulic top machine
The effect of structure and supporting mechanism cooperation is easy for top shape of chinese word Ji support plate, is supported on second to reach the first upper backup pad of top
The purpose of plate movement.
The effect of supporting mechanism is support load movement in the present invention；Is provided on two the first upper backup pad upper surfaces
The effect of one cambered surface is coordinated with the third cambered surface opened on the second upper backup pad, when the first upper backup pad surrounds the second fixing axle
When movement, the first upper backup pad at this time will be under the action of the first cambered surface, and the first upper backup pad will be with the branch in load
The tangent cooperation in support face, so that the first upper backup pad is contacted with supporting surface always；On two the first upper backup pad lower faces
The effect for being provided with the second cambered surface is easy for zigzag support plate and is engaged always with the first upper backup pad；It is supported on two first
The effect that plate lower face is separately mounted on two the second lower supporting plate upper surfaces is easy for support load movement, reaches jack
Support the purpose of load movement；The effect that third cambered surface is provided on second upper backup pad two sides be on the first upper backup pad
The cooperation of the first cambered surface, to reach the ability for improving the load of hydraulic jack top support, while having and can ensure hydraulic jack
Stress at center, to achieve the purpose that protect hydraulic jack roof construction；Second upper backup pad is mounted on two first
Between support plate, and on the second upper backup pad two sides third cambered surface respectively with opened on two the first upper backup pads
The effect of one cambered surface cooperation is so that the ability of the support load of hydraulic jack is stronger；It is respectively mounted on each first upper backup pad
Playing the role of the second fixing axle is and opens to obtain movement slots cooperation on guide rail, to reach the mesh for driving the movement of the first upper backup pad
's.
The effect of guiding mechanism is to guide the movement of the second fixing axle in the present invention, to reach the first upper backup pad of guiding
The purpose of movement；The effect that second connecting plate one end is mounted on the second upper backup pad side is easy for fixed guide rail；Two are led
The effect that movement slots are provided on rail is easy for guiding and limiting the movement of the second fixing axle；Movement slots lower face on two guide rails
The effect that teeth are provided on side is engaged with the teeth opened on periphery in the second fixing axle, to reach driving second
The purpose of fixing axle movement；Two guide rails are symmetrically mounted on the second connecting plate lower end face, and movement slots are slided with the second fixing axle
The effect of dynamic cooperation is easy for guiding the second fixing axle movement；Third connecting plate is mounted on the work in the gap between two guide rails
Be easy for installation the first support plate；It is unidirectional that the effect that set casing one end is mounted on guide rail lower face is easy for installation second
Block；The effect that the second inclined-plane is provided on second unidirectional block side is easy for the first upper backup pad of rotation can to cross second unidirectional
Block；Second unidirectional block by being slidably installed in set casing, and the effect of the second inclined-plane face third connecting plate be in order to
Limit the movement of the first upper backup pad；Second spring is located in set casing, and second spring one end is mounted on the second unidirectional block end face
On, the effect that the other end is mounted on fixed inner face is to give the second unidirectional block one recovery force effect；Third fixed block one end
The effect being mounted remotely from end face of the guide rail far from set casing side is easy for the second three-level hydraulic cylinder of installation.
The effect of driving mechanism is easy for driving the second fixing axle movement in the present invention；It installs second three-level hydraulic cylinder one end
Effect on third fixed block end face is easy for driving the first drive ring movement；First drive ring periphery is mounted on the two or three
On grade hydraulic cylinder end face, and the effect of the first drive ring inner headed face and the cooperation of one of them second fixing axle periphery is easy for the
One drive ring drives the movement of the second fixing axle；The effect that first fixed block one end is mounted on the first drive ring periphery is easy for
First drive ring drives the movement of the second rack；The lower face of second rack side is mounted on the effect on the first fixed block upper surface
It is that the movement on the first fixed block is transmitted on the first driving gear；First support plate one end is installed by third connecting plate upper surface
On effect be easy for installation the first fixing axle；The effect that first fixing axle is mounted in the first support plate is easy for fixing first
Drive gear；First driving gear is mounted in the first fixing axle, and the effect that the first driving gear is engaged with the second rack is
Movement on second rack is transmitted on the first rack；Second drive ring is mounted remotely from the second fixing axle of the first drive ring
On effect be easy for the second drive ring drive the second fixing axle movement；4th fixed block one end is mounted on the second drive ring outer circle
Effect on face is easy for the movement of first the second drive ring of rack drives；Second fixed block lower face is mounted on the 4th fixed block
Effect on end face is easy for the first rack of installation；First rack side lower face is mounted on the second fixed block upper surface, and
The effect that first rack is engaged with the first driving gear is driving the second fixed block movement；Second three-level telescopic rod one end is mounted on
On second drive ring periphery, effect that the other end is arranged close on the third fixed block of the second drive ring be easy for support and
Limit the movement of the second drive ring.
The effect of hydraulic top mechanism is easy for the first upper backup pad of top in the present invention and the second upper backup pad moves；One or three
The effect that grade hydraulic cylinder one end is mounted on the first lower supporting plate upper surface is easy for top shape of chinese word Ji support plate movement；Shape of chinese word Ji branch
The effect that the lower face of fagging lower face middle is mounted on the first three-level hydraulic cylinder end face is easy for the movement of pushing tow motion block；In
Upper end face of support plate is mounted on the second upper backup pad lower face, and middle lower end face of support plate and shape of chinese word Ji support plate middle
Upper surface cooperation installation is used convenient for the motive force on the first three-level hydraulic cylinder to be transmitted on the second upper backup pad；Two
The first square groove, the opposite upper end for being mounted on shape of chinese word Ji support plate side of two the second square grooves of guide post are provided on guide post end face
Effect on face is easy for the first unidirectional block of installation；The effect that the first inclined-plane is provided on first unidirectional block end face is easy for movement
Pushing block crosses the first unidirectional block, but pushing block will not move still further below；First unidirectional block is by being slidably installed
In one square groove, and the effect that the first inclined-plane on the first unidirectional block is distributed downwards is to limit the movement of pushing block；First spring position
In in the first square groove, the first spring one end is mounted on the first square groove end face, and the other end is mounted on the first unidirectional block end face
Effect is to give the first unidirectional block one recovery force effect；Two first three-level telescopic rod one end are installed between two guide posts
Shape of chinese word Ji upper end face of support plate on effect be easy for installation pushing block；Pushing block is mounted on the flexible rod end of two the first three-levels
Effect on face is easy for pushing the movement of zigzag support plate；It is nested with support spring on the outside of each first three-level telescopic rod
Effect is to give pushing block one recovery force effect；Open that there are two the effects of the second square groove penetrated through to be in zigzag support plate end face
Pass through convenient for guide post；Zigzag support plate one end is mounted on pushing block upper surface, and the second square groove is slidably matched with guide post
Effect be that the motive force on pushing block is transmitted on the second lower supporting plate；The other end of zigzag support plate is mounted on second
Effect on lower supporting plate side is easy for pushing the movement of the second lower supporting plate；The radius of curvature of second cambered surface is more than the first cambered surface
The effect of radius of curvature be easy for the second lower supporting plate and can be contacted always with the first upper backup pad, while the second lower supporting plate
It is adapted to the rotary motion of the first upper backup pad, is occurred from the motion artifacts beated without the second lower supporting plate；The
The effect that solid lubrication oil is coated between one square groove and guide post is easy for the movement of zigzag support plate.
In use, when the supporting surface of hydraulic jack need not increase, support spring at this time is in compression
State；When needing to support load, the hydraulic jack in the present invention is put at gap, the first three-level hydraulic cylinder at this time will
The movement of shape of chinese word Ji support plate can be pushed up, support plate is moved with the first three-level telescopic rod, support spring during shape of chinese word Ji support plate will push up,
Middle support plate will push up the movement of the second upper backup pad；Support spring will pushing tow motion block movement, pushing block will push up zigzag support
Plate moves；Zigzag support plate will push the second lower supporting plate to move, and the second lower supporting plate will push up the first upper backup pad fortune
It is dynamic, the first upper backup pad and the second upper backup pad at this time will top load move, to achieve the purpose that top load；Work as discovery
When the supporting surface of top load is easy to happen damage, the second three-level hydraulic cylinder at this time will push the first drive ring to move, and first
Drive ring will drive the first fixed block to move, and the first fixed block will drive the second rack to move；Second rack will drive
First driving gear movement, the first driving gear will drive the first rack to move, and the first rack will drive the second fixed block
Movement, the second fixed block will drive the 4th fixed block to move, and the 4th fixed block will drive the second drive ring to move, to make
The second upper backup pad both sides the movement of the second fixing axle, the second fixing axle at this time will move along movement slots, when second solid
When the teeth opened on dead axle periphery encounter the teeth opened in movement slots, the second fixing axle at this time will drive on first
Support plate rotates, while pushing block will move upwards under the action of support spring, and the pushing block of movement will drive zigzag
Support plate moves, and zigzag support plate will drive the second lower supporting plate to move, and the second lower supporting plate will be in the work of the second cambered surface
It under, contacts with the first upper backup pad, so that the first upper backup pad at this time is contacted with the supporting surface of load, is in always
Holding state, crossing the first unidirectional block when pushing block is, the first upper backup pad at this time will also be in horizontality, at this time
First unidirectional block will limit pushing block and move downward, and the first upper backup pad will also cross the second unidirectional block, the second unidirectional block
The movement of the first upper backup pad will be limited, the first upper backup pad can also move downward at this time, the hydraulic jack after adjustment
Bearing area becomes larger, so hydraulic jack at this time can preferably protect the supporting surface of load not to be destroyed；At this time
First three-level hydraulic cylinder will push up the movement of shape of chinese word Ji support plate, and support plate is moved with guiding bar during shape of chinese word Ji support plate will push up,
Middle support plate will push up the movement of the second upper backup pad；The first unidirectional block in guiding bar will the movement of pushing tow motion block, pushing block will
The movement of zigzag support plate can be pushed up；Zigzag support plate will push the second lower supporting plate to move, and the second lower supporting plate will push up the
One upper backup pad moves, the first upper backup pad and the second upper backup pad at this time will top load move, to reach top load
Purpose.
Description of the drawings
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is the first rack mounting structure schematic diagram.
Fig. 3 is the first upper backup pad mounting structure schematic diagram.
Fig. 4 is guiding column structural schematic diagram.
Fig. 5 is the second rack mounting structure schematic diagram.
Fig. 6 is the first drive ring mounting structure schematic diagram.
Fig. 7 is zigzag supporting plate structure schematic diagram.
Fig. 8 is zigzag support plate mounting structure schematic diagram.
Fig. 9 is the first three-level hydraulic cylinder mounting structure schematic diagram.
Figure 10 is the second drive ring mounting structure schematic diagram.
Figure 11 is the second unidirectional block mounting structure schematic diagram.
Figure 12 is the second mounting structure for connection schematic diagram.
Figure 13 is set casing mounting structure schematic diagram.
Figure 14 is third fixed block mounting structure schematic diagram.
Figure 15 is the first driving gear installation structure schematic diagram.
Figure 16 is the second upper backup pad mounting structure schematic diagram.
Figure label title：1, supporting mechanism；2, driving mechanism；3, guiding mechanism；4, hydraulic top mechanism；5, the first tooth
Item；6, the first fixing axle；7, the first support plate；8, the second rack；9, the first fixed block；10, the second fixing axle；11, it first drives
Rotating ring；13, zigzag support plate；14, guide post；15, support spring；16, the first three-level telescopic rod；17, shape of chinese word Ji support plate；
18, the first lower supporting plate；19, the first three-level hydraulic cylinder；20, middle support plate；21, the first connecting plate；22, guide rail；23, on first
Support plate；24, movement slots；25, the first cambered surface；26, the second upper backup pad；27, the first square groove；28, the second fixed block；29,
Two connecting plates；30, the first driving gear；31, third fixed block；32, the first unidirectional block；33, the first spring；34, second lower
Fagging；35, pushing block；36, the second three-level hydraulic cylinder；37, the second three-level telescopic rod；38, the second square groove；39, the second cambered surface；
40, the second inclined-plane；41, the second unidirectional block；42, second spring；43, set casing；44, third connecting plate；45, the first inclined-plane；46、
Third cambered surface；48, the second drive ring；49, the 4th fixed block.
Specific implementation mode
As shown in Figure 1, 2, it includes the first lower supporting plate 18, the second lower supporting plate 34, supporting mechanism 1, the first connecting plate
21, driving mechanism 2, guiding mechanism 3, hydraulic top mechanism 4, as shown in Figure 1, 2, wherein 18 upper surface middle of the first lower supporting plate
Second lower supporting plate 34 there are two being symmetrically installed；As shown in figure 3, supporting mechanism 1 is mounted in two the second upper end face of support plate；
As shown in Figure 1, 2, two guiding mechanisms 3 are symmetrically mounted on 1 two sides of supporting mechanism, and the both ends of two guiding mechanisms 3 are equal
It is linked together by the first connecting plate 21；As shown in Figure 1, 2, two driving mechanisms 2 are separately mounted to two guiding mechanisms 3
On；As shown in Figure 1, Liang Ge hydraulic tops mechanism 4 is respectively symmetrically distributed in 18 on both sides of the upper end of the first lower supporting plate, and hydraulic top machine
Structure 4 coordinates with supporting mechanism 1.
As shown in Fig. 3,14, above-mentioned supporting mechanism 1 include the first upper backup pad 23, the second fixing axle 10, the first cambered surface 25,
Second upper backup pad 26, the second cambered surface 39, third cambered surface 46, as shown in figure 5, on 23 upper surface of the first upper backup pad of two of which
It is provided with the first cambered surface 25；As shown in figure 8, being provided with the second cambered surface 39 on two 23 lower faces of the first upper backup pad；As Fig. 9,
Shown in 10, two 23 lower faces of the first upper backup pad are separately mounted on two 34 upper surfaces of the second lower supporting plate；Such as Figure 16 institutes
Show, the second upper backup pad is provided with third cambered surface 46 on 26 two sides；Second upper backup pad 26 is mounted on two first and supports
Between plate 23, and on 26 two sides of the second upper backup pad third cambered surface 46 opened respectively on two the first upper backup pads 23
The first cambered surface 25 cooperation；As shown in figure 15, it is mounted on the second fixing axle 10 on each first upper backup pad 23.
As shown in Figure 10,15, above-mentioned guiding mechanism 3 includes guide rail 22, movement slots 24, the connection of third fixed block 31, second
Plate 29, the second inclined-plane 40, the second unidirectional block 41, second spring 42, set casing 43, third connecting plate 44, as shown in fig. 6, wherein
Second connecting plate, 29 one end is mounted on 26 side of the second upper backup pad；As shown in figure 12, it is provided with movement on two guide rails 22
Slot 24；As shown in figure 13, teeth are provided on the 24 lower face side of movement slots on two guide rails 22；As shown in figure 14, two
Guide rail 22 is symmetrically mounted on 29 lower face of the second connecting plate, and movement slots 24 are slidably matched with the second fixing axle 10；Such as Fig. 9 institutes
Show, third connecting plate 44 is mounted in the gap between two guide rails 22.
As shown in figure 14, institute's mounting structure is symmetrical about third connecting plate 44 on two guide rails 22, for one of them；Such as
Shown in Figure 14,43 one end of set casing is mounted on 22 lower face of guide rail；As shown in figure 11, is provided on 41 side of the second unidirectional block
Two inclined-planes 40；As shown in figure 11, the second unidirectional block 41 is by being slidably installed in set casing 43, and 40 face of the second inclined-plane
Third connecting plate 44；As shown in figure 11, second spring 42 is located in set casing 43, and it is unidirectional that 42 one end of second spring is mounted on second
On 41 end face of block, the other end is mounted on fixed inner face；As shown in figure 5,31 one end of third fixed block is mounted remotely from guide rail
On 22 end faces far from 43 side of set casing.
As shown in figure 5, above-mentioned driving mechanism 2 includes the first rack 5, the first fixing axle 6, the first support plate 7, the second rack
8, the first drive ring 11, the second fixed block 28, the second drive ring 48, first driving gear 30, the first fixed block 9, the second three-level
Hydraulic cylinder 36, the second three-level telescopic rod 37, as shown in figure 5,36 one end of wherein the second three-level hydraulic cylinder is mounted on third fixed block
On 31 end faces；As shown in figure 5,11 periphery of the first drive ring is mounted on 36 end face of the second three-level hydraulic cylinder, and the first driving
11 inner headed face of ring coordinates with one of them 10 periphery of the second fixing axle；As shown in figure 5,9 one end of the first fixed block is mounted on the
On one drive ring, 11 periphery；As shown in figure 5, the lower face of 8 side of the second rack is mounted on 9 upper surface of the first fixed block；
As shown in figure 5, on 7 one end of the first support plate installation third connecting plate, 44 upper surface；As shown in figure 5, the first fixing axle 6 is mounted on
In first support plate 7；As shown in figure 5, first driving gear 30 be mounted on the first fixing axle 6 on, and first driving gear 30 with
Second rack 8 engages；As shown in figure 5, the second drive ring 48 is mounted remotely from the second fixing axle 10 of the first drive ring 11；Such as
Shown in Fig. 5,49 one end of the 4th fixed block is mounted on 48 periphery of the second drive ring；As shown in figure 5,28 lower end of the second fixed block
Face is mounted on 49 upper surface of the 4th fixed block；As shown in figure 5,5 side lower face of the first rack is mounted on the second fixed block 28
On upper surface, and the first rack 5 is engaged with the first driving gear 30；As shown in figure 5,37 one end of the second three-level telescopic rod is mounted on
On second drive ring, 48 periphery, the other end is arranged close on the third fixed block 31 of the second drive ring 48.
As shown in figure 5, above-mentioned hydraulic top mechanism 4 includes zigzag support plate 13, the second square groove 38, the first square groove 27, guiding
Column 14, support spring 15, the first three-level telescopic rod 16, shape of chinese word Ji support plate 17, the first three-level hydraulic cylinder 19, middle support plate 20,
First unidirectional block 32, the first spring 33, pushing block 35, the first inclined-plane 45, as shown in figure 9, wherein the first three-level hydraulic cylinder 19 1
End is mounted on 18 upper surface of the first lower supporting plate；As shown in figure 5, the lower face peace of 17 lower face middle of shape of chinese word Ji support plate
On 19 end face of the first three-level hydraulic cylinder；As shown in figure 5,20 upper surface of middle support plate is mounted on 26 lower end of the second upper backup pad
On face, and 20 lower face of middle support plate and the upper surface cooperation of 17 middle of shape of chinese word Ji support plate are installed.
As shown in figure 5, mounting structure symmetrically divides about 17 median plane of shape of chinese word Ji support plate on 17 both sides of shape of chinese word Ji support plate
Cloth, for one of them, as shown in figure 4, the first square groove 27 is provided on two 14 end faces of guide post, two guide posts 14 second
Square groove 38 is opposite on the upper surface of 17 side of shape of chinese word Ji support plate；As shown in figure 5, the installation knot on two guide posts 14
Structure is identical, for one of them, as shown in figure 5, being provided with the first inclined-plane 45 on 32 end face of the first unidirectional block；As shown in figure 5,
First unidirectional block 32 is by being slidably installed in the first square groove 27, and the first inclined-plane 45 on the first unidirectional block 32 divides downwards
Cloth；As shown in figure 5, the first spring 33 is located in the first square groove 27,33 one end of the first spring is mounted on 27 end face of the first square groove,
The other end is mounted on 32 end face of the first unidirectional block；As shown in figure 5, two 16 one end of the first three-level telescopic rod are installed in two
On 17 upper surface of shape of chinese word Ji support plate between guide post 14；It stretches as shown in figure 5, pushing block 35 is mounted on two the first three-levels
On 16 end face of bar；As shown in figure 5,16 outside of each first three-level telescopic rod is nested with support spring 15；Support spring 15 1
End is mounted on 17 upper surface of shape of chinese word Ji support plate, and the other end is mounted on pushing block 35；As shown in fig. 7, zigzag support plate 13
The second square groove 38 penetrated through there are two being opened on end face；13 one end of zigzag support plate is mounted on 35 upper surface of pushing block, and second
Square groove 38 is slidably matched with guide post 14；As shown in figure 5, the other end of zigzag support plate 13 is mounted on the second lower supporting plate 34
On side.
Above-mentioned first connecting plate 21 is mounted on two guide rails 22 in two guiding mechanisms 3；Second fixing axle 10 is located at
It is provided with teeth on periphery in guide rail 22.
Above-mentioned first spring 33 is compressed spring；Second spring 42 is compressed spring.
When hydraulic jack bearing area does not become larger, above-mentioned support spring 15 is in compressive state.
Above-mentioned first driving gear 30 is mounted on by bearing in the first fixing axle 6.
The radius of curvature of above-mentioned second cambered surface 39 is more than the radius of curvature of the first cambered surface 25.
Solid lubrication oil is coated between above-mentioned first square groove 27 and guide post 14.
In summary：
Hydraulic jack in the present invention can become larger relative to traditional hydraulic jack bearing area to become smaller, and works as the present invention
In hydraulic jack bearing area it is smaller when, for identical load, protection hydraulic jack can be effectively accomplished
Push up the purpose not being damaged；When the bearing area of the hydraulic jack in the present invention is larger, the branch relative to hydraulic jack
When support area is smaller, the pressure being subject on unit area on supporting surface is smaller, also smaller to the destruction of supporting surface, when support force is small
It when the bearing capacity of supporting surface, can achieve the purpose that loading end is protected not destroyed.
18 upper surface middle of the first lower supporting plate is symmetrically installed the effect there are two the second lower supporting plate 34 in the present invention
It is easy for two the first upper backup pads 23 of support；The effect that supporting mechanism 1 is mounted in two the second upper end face of support plate is just
It is loaded in support, to have the function that top load；Two guiding mechanisms 3 are symmetrically mounted on the work on 1 two sides of supporting mechanism
It is moved with the first upper backup pad 23 of guiding is easy for；The effect that two driving mechanisms 2 are separately mounted in two guiding mechanisms 3 is
It is moved along guide rail 22 convenient for the second fixing axle 10 of driving；Liang Ge hydraulic tops mechanism 4 is respectively symmetrically distributed in the first lower supporting plate 18
On both sides of the upper end, and the effect that hydraulic top mechanism 4 coordinates with supporting mechanism 1 is easy for top shape of chinese word Ji support plate 17, to reach
Push up the purpose of the first upper backup pad 23 and the movement of the second upper backup pad 26.
The effect of supporting mechanism 1 is support load movement in the present invention；It is opened on two 23 upper surfaces of the first upper backup pad
Playing the role of the first cambered surface 25 is coordinated with the third cambered surface 46 opened on the second upper backup pad 26, when the first upper backup pad 23 encloses
When being moved around the second fixing axle 10, the first upper backup pad 23 at this time will support under the action of the first cambered surface 25 on first
Plate 23 will with the tangent cooperation of supporting surface in load so that the first upper backup pad 23 is contacted with supporting surface always；Two
The effect that the second cambered surface 39 is provided on first upper backup pad, 23 lower face is easy for zigzag support plate 13 and is propped up always on first
Fagging 23 is engaged；Two 23 lower faces of the first upper backup pad are separately mounted on two 34 upper surfaces of the second lower supporting plate
Effect is easy for support load movement, achievees the purpose that very heavy top support load movement；On second upper backup pad, 26 two sides
The effect for being provided with third cambered surface 46 is coordinated with the first cambered surface 25 on the first upper backup pad 23, to reach raising hydraulic jack
The ability of top support load, while having the stress that can ensure hydraulic jack at center, to reach protection hydraulic jack
The purpose of roof construction；Second upper backup pad 26 is mounted between two the first upper backup pads 23, and 26 both sides of the second upper backup pad
On face third cambered surface 46 respectively with opened on two the first upper backup pads 23 the first cambered surface 25 cooperation effect be so that
The ability of the support load of hydraulic jack is stronger；The effect of the second fixing axle 10 is mounted on each first upper backup pad 23
It is and opens to obtain the cooperation of movement slots 24 on guide rail 22, to achievees the purpose that drive the movement of the first upper backup pad 23.
The effect of guiding mechanism 3 is to guide the movement of the second fixing axle 10 in the present invention, is propped up in guiding first to reach
The purpose that fagging 23 moves；The effect that second connecting plate, 29 one end is mounted on 26 side of the second upper backup pad is easy for fixation and leads
Rail 22；The effect that movement slots 24 are provided on two guide rails 22 is easy for guiding and limiting the movement of the second fixing axle 10；Two are led
It is provided with the effects of teeth on 24 lower face side of movement slots on rail 22 and is opened on periphery in the second fixing axle 10
Teeth engage, to reach the purpose of driving the second fixing axle 10 movement；Two guide rails 22 are symmetrically mounted on the second connecting plate 29
On lower face, and the effect that movement slots 24 and the second fixing axle 10 are slidably matched is easy for guiding the second fixing axle 10 movement；The
Three connecting plates 44 are mounted on the effect in the gap between two guide rails 22 and are easy for the first support plate 7 of installation；Set casing 43 1
The effect that end is mounted on 22 lower face of guide rail is easy for the second unidirectional block 41 of installation；Second unidirectional block is provided with second on 41 side
The first upper backup pad 23 that the effect on inclined-plane 40 is easy for rotation can cross the second unidirectional block 41；Second unidirectional block 41 passes through cunning
It is dynamic to be fitted in set casing 43, and the effect of 40 face third connecting plate 44 of the second inclined-plane is supported on first to limit
The movement of plate 23；Second spring 42 is located in set casing 43, and 42 one end of second spring is mounted on 41 end face of the second unidirectional block, separately
The effect that one end is mounted on fixed inner face is to give the second unidirectional block 41 1 recovery force effects；Pacify 31 one end of third fixed block
It is easy for the second three-level hydraulic cylinder 36 of installation mounted in far from the effect on end face of the guide rail 22 far from 43 side of set casing.
The effect of driving mechanism 2 is easy for driving the second fixing axle 10 movement in the present invention；Second three-level hydraulic cylinder 36 1
The effect that end is mounted on 31 end face of third fixed block is easy for driving the first drive ring 11 movement；First drive ring, 11 periphery
On 36 end face of the second three-level hydraulic cylinder, and 11 inner headed face of the first drive ring and one of them 10 periphery of the second fixing axle
The effect of cooperation is easy for the first drive ring 11 and drives the movement of the second fixing axle 10；First fixed block, 9 one end is mounted on first and drives
Effect on 11 periphery of rotating ring is easy for the first drive ring 11 and drives the movement of the second rack 8；The lower face of second rack, 8 side
Effect on 9 upper surface of the first fixed block is that the movement on the first fixed block 9 is transmitted on the first driving gear 30；
Effect on first support plate, 7 one end installation third connecting plate, 44 upper surface is easy for the first fixing axle 6 of installation；First fixing axle
6 effects being mounted in the first support plate 7 are easy for fixing the first driving gear 30；It is solid that first driving gear 30 is mounted on first
On dead axle 6, and the effect that the first driving gear 30 is engaged with the second rack 8 is that the movement on the second rack 8 is transmitted to first
On rack 5；The effect that second drive ring 48 is mounted remotely from the second fixing axle 10 of the first drive ring 11 is easy for the second drive
Rotating ring 48 drives the movement of the second fixing axle 10；4th fixed block, 49 one end be mounted on 48 periphery of the second drive ring on effect be
The movement of the second drive ring 48 is driven convenient for the first rack 5；Second fixed block, 28 lower face is mounted on 49 upper surface of the 4th fixed block
On effect be easy for installation the first rack 5；First rack, 5 side lower face is mounted on 28 upper surface of the second fixed block, and
The effect that first rack 5 is engaged with the first driving gear 30 is driving the second fixed block 28 movement；Second three-level telescopic rod 37 1
End is mounted on 48 periphery of the second drive ring, and the other end is arranged close to the work on the third fixed block 31 of the second drive ring 48
With the movement for being easy for the second drive ring 48 of support and limitation.
The effect of hydraulic top mechanism 4 is easy for the first upper backup pad 23 of top in the present invention and the second upper backup pad 26 moves；
The effect that first three-level hydraulic cylinder, 19 one end is mounted on 18 upper surface of the first lower supporting plate is easy for top shape of chinese word Ji support plate 17
Movement；The effect that the lower face of 17 lower face middle of shape of chinese word Ji support plate is mounted on 19 end face of the first three-level hydraulic cylinder is just
It is moved in pushing tow motion block 35；20 upper surface of middle support plate is mounted on 26 lower face of the second upper backup pad, and under middle support plate 20
The using of the upper surface cooperation installation of end face and 17 middle of shape of chinese word Ji support plate is convenient for will be on the first three-level hydraulic cylinder 19
Motive force is transmitted on the second upper backup pad 26；The first square groove 27, two guide posts 14 are provided on two 14 end faces of guide post
Second square groove, the 38 opposite effect on the upper surface of 17 side of shape of chinese word Ji support plate is easy for the first unidirectional block 32 of installation；
Be provided on first unidirectional block, 32 end face the first inclined-plane 45 effect be easy for movement pushing block 35 cross the first unidirectional block 32, but
It is pushing block 35 to move still further below；First unidirectional block 32 is by being slidably installed in the first square groove 27, and first is single
The effect that the first inclined-plane 45 on block 32 is distributed downwards is to limit the movement of pushing block 35；First spring 33 is located at the first square groove
In 27,33 one end of the first spring is mounted on 27 end face of the first square groove, and the other end is mounted on the work on 32 end face of the first unidirectional block
With being to give the recovery force effects of the first unidirectional block 32 1；Two 16 one end of the first three-level telescopic rod are installed in two guide posts 14
Between 17 upper surface of shape of chinese word Ji support plate on effect be easy for installation pushing block 35；Pushing block 35 is mounted on two the one or three
Effect on 16 end face of grade telescopic rod is easy for that zigzag support plate 13 is pushed to move；16 outside of each first three-level telescopic rod is
The effect for being nested with support spring 15 is to give pushing block 35 1 recovery force effects；There are two being opened on 13 end face of zigzag support plate
The effect of second square groove 38 of perforation is easy for guide post 14 and passes through；13 one end of zigzag support plate is mounted on 35 upper end of pushing block
On face, and the effect that the second square groove 38 is slidably matched with guide post 14 is that the motive force on pushing block 35 is transmitted to second lower
On fagging 34；The effect that the other end of zigzag support plate 13 is mounted on 34 side of the second lower supporting plate is easy for promotion second
Lower supporting plate 34 moves；The effect that the radius of curvature of second cambered surface 39 is more than the radius of curvature of the first cambered surface 25 is easy under second
Support plate 34 can be contacted with the first upper backup pad 23 always, while the second lower supporting plate 34 is adapted to the first upper backup pad 23
Rotary motion, occur from the motion artifacts beated without the second lower supporting plate 34；First square groove 27 and guide post 14
Between be coated with the effect of solid lubrication oil and be easy for the movement of zigzag support plate 13.
Specific implementation mode is, when the supporting surface of hydraulic jack need not increase, support spring 15 at this time is in
Compressive state；When needing to support load, the hydraulic jack in the present invention is put at gap, the first three-level hydraulic pressure at this time
Cylinder 19 will push up the movement of shape of chinese word Ji support plate 17, support plate 20 and the first three-level telescopic rod during shape of chinese word Ji support plate 17 will push up
16, support spring 15 moves, and middle support plate 20 will push up the movement of the second upper backup pad 26；Support spring 15 will pushing tow motion block 35
Movement, pushing block 35 will push up the movement of zigzag support plate 13；Zigzag support plate 13 will push the second lower supporting plate 34 to move,
Second lower supporting plate 34 will push up the movement of the first upper backup pad 23, and the first upper backup pad 23 and the second upper backup pad 26 at this time will
Meeting top load movement, to achieve the purpose that top load；When finding that the supporting surface of top load is easy to happen damage, at this time the
Two three-level hydraulic cylinders 36 will push the first drive ring 11 to move, and the first drive ring 11 will drive the first fixed block 9 to move, the
One fixed block 9 will drive the second rack 8 to move；Second rack 8 will drive the first driving gear 30 to move, the first sliding tooth
Wheel 30 will drive the first rack 5 to move, and the first rack 5 will drive the second fixed block 28 to move, and the second fixed block 28 will
The 4th fixed block 49 is driven to move, the 4th fixed block 49 will drive the second drive ring 48 to move, so that being supported on second
Second fixing axle 10 of 26 both sides of plate moves, and the second fixing axle 10 at this time will be moved along movement slots 24, when the second fixing axle
When the teeth opened on 10 peripheries encounter the teeth opened in movement slots 24, the second fixing axle 10 at this time will drive first
Upper backup pad 23 rotates, while pushing block 35 will move upwards under the action of support spring 15, and the pushing block 35 of movement will
Zigzag support plate 13 can be driven to move, zigzag support plate 13 will drive the second lower supporting plate 34 to move, the second lower supporting plate
34 will contact with the first upper backup pad 23 always under the action of the second cambered surface 39 so that at this time first on support
Plate 23 with load supporting surface contact, be in holding state, crossing the first unidirectional block 32 when pushing block 35 is, at this time first on
Support plate 23 will also be in horizontality, and the first unidirectional block 32 at this time will limit pushing block 35 and move downward, on first
Support plate 23 will also cross the second unidirectional block 41, and the second unidirectional block 41 will limit the movement of the first upper backup pad 23, at this time
First upper backup pad 23 can also move downward, and the bearing area of the hydraulic jack after adjustment becomes larger, so hydraulic pressure thousand at this time
Jin top can preferably protect the supporting surface of load not to be destroyed；The first three-level hydraulic cylinder 19 at this time will push up shape of chinese word Ji branch
Fagging 17 moves, and support plate 20 is moved with guiding bar during shape of chinese word Ji support plate 17 will push up, and middle support plate 20 will push up on second
Support plate 26 moves；The first unidirectional block 32 in guiding bar will pushing tow motion block 35 move, pushing block 35 will push up zigzag support
Plate 13 moves；Zigzag support plate 13 will push the second lower supporting plate 34 to move, and the second lower supporting plate 34, which will push up on first, to be propped up
Fagging 23 moves, the first upper backup pad 23 and the second upper backup pad 26 at this time will top load move, to reach top load
Purpose.
Claims (6)
1. a kind of transformable hydraulic jack of bearing area, it is characterised in that：It includes the first lower supporting plate, second time support
Plate, supporting mechanism, the first connecting plate, driving mechanism, guiding mechanism, hydraulic top mechanism, wherein in the first lower supporting plate upper surface
Between be symmetrically installed there are two the second lower supporting plate；Supporting mechanism is mounted in two the second upper end face of support plate；Two guiding
Mechanism is symmetrically mounted on supporting mechanism two sides, and the both ends of two guiding mechanisms are connected to one by the first connecting plate
It rises；Two driving mechanisms are separately mounted in two guiding mechanisms；Liang Ge hydraulic tops mechanism is respectively symmetrically distributed in first lower
Fagging on both sides of the upper end, and hydraulic top mechanism coordinates with supporting mechanism；
Above-mentioned supporting mechanism includes the first upper backup pad, the second fixing axle, the first cambered surface, the second upper backup pad, the second cambered surface, the
Three cambered surfaces, the first upper backup pad of two of which are provided with the first cambered surface on upper surface；On two the first upper backup pad lower faces
It is provided with the second cambered surface；Two the first upper backup pad lower faces are separately mounted on two the second lower supporting plate upper surfaces；On second
Third cambered surface is provided on support plate two sides；Second upper backup pad is mounted between two the first upper backup pads, and on second
On support plate two sides third cambered surface coordinate respectively with the first cambered surface for being opened on two the first upper backup pads；Each first
The second fixing axle is mounted on upper backup pad；
Above-mentioned guiding mechanism includes guide rail, movement slots, third fixed block, the second connecting plate, the second inclined-plane, the second unidirectional block,
Two springs, set casing, third connecting plate, wherein second connecting plate one end is mounted on the second upper backup pad side；Two guide rails
On be provided with movement slots；It is provided with teeth on movement slots lower face side on two guide rails；Two guide rails are symmetrically mounted on
On two connecting plate lower end faces, and movement slots are slidably matched with the second fixing axle；Third connecting plate is mounted between two guide rails
In gap；
Institute's mounting structure is symmetrical about third connecting plate on two guide rails, for one of them；Set casing one end is mounted on guide rail
On lower face；It is provided with the second inclined-plane on second unidirectional block side；Second unidirectional block by being slidably installed in set casing, and
Second inclined-plane face third connecting plate；Second spring is located in set casing, and second spring one end is mounted on the second unidirectional block end face
On, the other end is mounted on fixed inner face；Third fixed block one end is mounted remotely from end face of the guide rail far from set casing side
On；
Above-mentioned driving mechanism is consolidated including the first rack, the first fixing axle, the first support plate, the second rack, the first drive ring, second
Determine block, the second drive ring, the first driving gear, the first fixed block, the second three-level hydraulic cylinder, the second three-level telescopic rod, wherein the
Two three-level hydraulic cylinder one end are mounted on third fixed block end face；First drive ring periphery is mounted on the second three-level cylinder ends
On face, and the first drive ring inner headed face coordinates with one of them second fixing axle periphery；First fixed block one end is mounted on the
On one drive ring periphery；The lower face of second rack side is mounted on the first fixed block upper surface；First support plate one end
It installs on third connecting plate upper surface；First fixing axle is mounted in the first support plate；It is solid that first driving gear is mounted on first
On dead axle, and the first driving gear is engaged with the second rack；Second drive ring is mounted remotely from the second fixation of the first drive ring
On axis；4th fixed block one end is mounted on the second drive ring periphery；Second fixed block lower face is mounted on the 4th fixed block
On upper surface；First rack side lower face is mounted on the second fixed block upper surface, and the first rack and the first driving gear
Engagement；Second three-level telescopic rod one end is mounted on the second drive ring periphery, and the other end is arranged close to the second drive ring
On third fixed block；
Above-mentioned hydraulic top mechanism includes zigzag support plate, the second square groove, the first square groove, guide post, support spring, the first three-level
Telescopic rod, shape of chinese word Ji support plate, the first three-level hydraulic cylinder, middle support plate, the first unidirectional block, the first spring, pushing block, first are tiltedly
Face, wherein first three-level hydraulic cylinder one end is mounted on the first lower supporting plate upper surface；Shape of chinese word Ji lower end face of support plate middle
Lower face be mounted on the first three-level hydraulic cylinder end face on；Middle upper end face of support plate is mounted on the second upper backup pad lower face,
And middle lower end face of support plate and the upper surface cooperation of shape of chinese word Ji support plate middle are installed；
Mounting structure is symmetrical about shape of chinese word Ji support plate median plane on shape of chinese word Ji support plate both sides, for one of them, two
The first square groove is provided on a guide post end face, two the second square grooves of guide post are opposite mounted on the upper of shape of chinese word Ji support plate side
On end face；Mounting structure on two guide posts is identical, and for one of them, first is provided on the first unidirectional block end face tiltedly
Face；First unidirectional block is by being slidably installed in the first square groove, and the first inclined-plane on the first unidirectional block is distributed downwards；The
One spring is located in the first square groove, and the first spring one end is mounted on the first square groove end face, and the other end is mounted on the first unidirectional block
On end face；Two first three-level telescopic rod one end are installed in the shape of chinese word Ji upper end face of support plate between two guide posts；It pushes away
Motion block is mounted on two the first three-levels and stretches in rod end surface；It is nested with support spring on the outside of each first three-level telescopic rod；Branch
It supports spring one end to be mounted in shape of chinese word Ji upper end face of support plate, the other end is mounted on pushing block；It is opened in zigzag support plate end face
There are two the second square grooves penetrated through；Zigzag support plate one end is mounted on pushing block upper surface, and the second square groove is slided with guide post
Dynamic cooperation；The other end of zigzag support plate is mounted on the second lower supporting plate side；
Above-mentioned first connecting plate is mounted on two guide rails in two guiding mechanisms；Second fixing axle is located at the outer circle in guide rail
Teeth are provided on face.
2. the transformable hydraulic jack of a kind of bearing area according to claim 1, it is characterised in that：Above-mentioned first bullet
Spring is compressed spring；Second spring is compressed spring.
3. the transformable hydraulic jack of a kind of bearing area according to claim 1, it is characterised in that：Work as hydraulic jack
When top support area does not become larger, above-mentioned support spring is in compressive state.
4. the transformable hydraulic jack of a kind of bearing area according to claim 1, it is characterised in that：Above-mentioned first drives
Moving gear is mounted on by bearing in the first fixing axle.
5. the transformable hydraulic jack of a kind of bearing area according to claim 1, it is characterised in that：Above-mentioned second arc
The radius of curvature in face is more than the radius of curvature of the first cambered surface.
6. the transformable hydraulic jack of a kind of bearing area according to claim 1, it is characterised in that：Above-mentioned first party
Solid lubrication oil is coated between slot and guide post.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170426.XA CN108358104A (en) | 2018-03-01 | 2018-03-01 | A kind of transformable hydraulic jack of bearing area |
| CN201810995840.4A CN108946552B (en) | 2018-03-01 | 2018-08-29 | Hydraulic jack with variable supporting area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170426.XA CN108358104A (en) | 2018-03-01 | 2018-03-01 | A kind of transformable hydraulic jack of bearing area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108358104A true CN108358104A (en) | 2018-08-03 |
Family
ID=63002983
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810170426.XA Pending CN108358104A (en) | 2018-03-01 | 2018-03-01 | A kind of transformable hydraulic jack of bearing area |
| CN201810995840.4A Expired - Fee Related CN108946552B (en) | 2018-03-01 | 2018-08-29 | Hydraulic jack with variable supporting area |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810995840.4A Expired - Fee Related CN108946552B (en) | 2018-03-01 | 2018-08-29 | Hydraulic jack with variable supporting area |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108358104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494046A (en) * | 2018-11-15 | 2019-03-19 | 王笑梅 | A kind of oil immersed type buffering transformer and way to play for time |
| CN112320654A (en) * | 2020-11-11 | 2021-02-05 | 章小华 | Jack suitable for various terrains |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9300882A (en) * | 1993-05-24 | 1994-12-16 | Henk Martin Van Nek | Lifting apparatus |
| CN205557338U (en) * | 2016-02-03 | 2016-09-07 | 江苏瑞沃建设集团有限公司 | Bridge steel constructs strutting arrangement |
| CN108439295A (en) * | 2016-05-30 | 2018-08-24 | 衢州市易凡设计有限公司 | A kind of rescue aid of the three hand folding bridge-types of self-locking |
| CN108217509A (en) * | 2016-05-30 | 2018-06-29 | 衢州市易凡设计有限公司 | A kind of rescue aid of three folding bridge-types of hand self-locking |
| CN206873296U (en) * | 2017-03-30 | 2018-01-12 | 浙江诚骏建设工程有限公司 | Bridge construction support meanss |
-
2018
- 2018-03-01 CN CN201810170426.XA patent/CN108358104A/en active Pending
- 2018-08-29 CN CN201810995840.4A patent/CN108946552B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494046A (en) * | 2018-11-15 | 2019-03-19 | 王笑梅 | A kind of oil immersed type buffering transformer and way to play for time |
| CN112320654A (en) * | 2020-11-11 | 2021-02-05 | 章小华 | Jack suitable for various terrains |
| CN112320654B (en) * | 2020-11-11 | 2022-04-29 | 嘉兴力洋工具有限公司 | Jack suitable for various terrains |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108946552A (en) | 2018-12-07 |
| CN108946552B (en) | 2020-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108358104A (en) | A kind of transformable hydraulic jack of bearing area | |
| CN201358127Y (en) | Braker of gantry crane wheels | |
| CN108439247A (en) | One kind being based on gear-driven universal rotational radial type speed change jack | |
| CN103754766B (en) | Hydraulic pressure hollow cylinder head track device | |
| CN211920814U (en) | Novel lifting machine | |
| CN112983522A (en) | Hydraulic support for coal mine | |
| CN108773788A (en) | One kind being based on the transformable hydraulic jack of screw-driven bearing area | |
| CN102865072A (en) | Eight-meter large-mining-height coal mining machine | |
| CN205170224U (en) | Crawler -type moves tower crane | |
| CN209444367U (en) | A kind of underground coal mine roof fall deliverance apparatus | |
| CN108715422A (en) | A kind of hydraulic lift | |
| CN201714397U (en) | Mine screw type shield-support scaffold | |
| CN202924639U (en) | Space-saving vertical support oil cylinder foot | |
| CN211448583U (en) | Underground clamping device for plunger gas lift | |
| CN2656629Y (en) | Composite oil extraction rod suspension rope device | |
| CN208441079U (en) | A kind of construction site walking consolidation device | |
| CN207736228U (en) | A kind of Simple hydraulic upright post jack guide sleeve dismounting device | |
| CN202029422U (en) | Lift mechanism for toothed wheel of moving platform of hydropress | |
| CN205382918U (en) | Two -way speed governing belt formula beam -pumping unit of long stroke | |
| CN212985254U (en) | Supporting and protecting device for coal mine tunneling | |
| CN201358128Y (en) | Top-rail device of gantry crane | |
| CN219548884U (en) | Colliery monomer post whole telescopic connection anti-falling device | |
| CN213982835U (en) | Energy-saving low-consumption natural gas compressor | |
| CN215164198U (en) | Locking device for movable track bridge | |
| CN218237432U (en) | Boiler base telescopic lifts by crane structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180803 |