A kind of lifting device
Technical field
This application involves a kind of lifting devices.
Background technology
In the prior art, jacking apparatus is typically by hydraulic press deck roof to be raised to a certain height, when needing to maintain
In the height, hydraulic press can persistently receive pressure, therefore hydraulic press can reduce service life.
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The application technical problems to be solved are to provide a kind of lifting device.
In order to solve the above-mentioned technical problem, this application provides a kind of lifting device, the lifting device includes support
Platform, the lifting platform being arranged on the upside of the supporting table are fixed with a slide bar being arranged along Y direction in the supporting table,
The slide bar passes through the lifting platform, the lifting platform to slide up and down setting, the supporting table along the slide bar
On be also equipped with the first jacking apparatus and the second jacking apparatus, first jacking apparatus and the second jacking apparatus are respectively set
In the left and right sides of the lifting platform, first jacking apparatus includes the first cylinder, is driven by first cylinder
The first push rod moved along X-direction, first push rod is fixedly connected with far from the side of first cylinder
The one side far from first push rod of one first wedge block, first wedge block is first inclined-plane upward;
The second push rod moved along X-direction that second jacking apparatus includes the second cylinder, is driven by second cylinder,
The side far from second cylinder of second push rod is fixedly connected with one second wedge block;Second wedge shape
The one side far from second push rod of block is second inclined-plane upward, and first inclined-plane and the second inclined-plane are opposite
Setting, the lower surface of the lifting platform is additionally provided with to be slided with first inclined-plane and the second inclined-plane matched first respectively
Wheel and second pulley, the lifting platform has the first height and the second height, when the lifting platform is located at the first height,
The first pulley and second pulley is supported in the upper surface of the supporting table, when the lifting platform is located at the second height
When, the first pulley and second pulley slide into first wedge shape along first inclined-plane and the second inclined-plane respectively
The upper surface of block and the second wedge block.
Preferably, the first pulley and second pulley are installed by a first pulley mounting base and second pulley respectively
Seat is mounted on the lower surface of the lifting platform.
Preferably, the first pulley mounting base and second pulley mounting base in the Y-axis direction with the lifting platform
The distance of lower surface is adjustable.
Preferably, it is also respectively provided in the first pulley mounting base and second pulley mounting base for will be described
First pulley and second pulley are locked in the first locking device and the second locking device of the second height.
Preferably, it is respectively arranged with first slideway being arranged along X-direction on first inclined-plane and the second inclined-plane
With the second slideway, when first wedge block and the second wedge block jack the first pulley and second pulley respectively,
The first pulley and second pulley is slided along first slideway and the second slideway respectively.
Preferably, the lower surface of first wedge block be provided with it is one or more can be along the upper of the supporting table
First idler wheel of surface sliding;The lower surface of second wedge block is provided with one or more can be along the supporting table
Upper surface slide the second idler wheel.
Preferably, first cylinder is mounted on the upper surface of the supporting table by the first mounting base.
Preferably, second cylinder is mounted on the upper surface of the supporting table by the second mounting base.
A kind of lifting device of the application has used the cooperation of wedge block and pulley to jack lifting platform, lifting platform has been maintained
In certain height, the weight of lifting platform is fallen on wedge block, will not be caused stress to hydraulic press, and making for hydraulic press is extended
Use the service life.In addition, the power being horizontally oriented that hydraulic press applies wedge block, it will be able to play the role of jacking to lifting platform.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of lifting device,
Wherein:1, supporting table;2, lifting platform;3, slide bar;41, the first mounting base;42, the first cylinder;43, the first push rod;
44, the first wedge block;45, the first idler wheel;46, the first inclined-plane;51, the second mounting base;52, the second cylinder;53, the second push rod;
54, the second wedge block;55, the second idler wheel;56, the second inclined-plane;211, first pulley mounting base;212, first pulley;221,
Two pulley mounting bases;222, second pulley.
Specific implementation mode
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
As shown, this application provides a kind of lifting device, the lifting device includes supporting table 1, is arranged in institute
The lifting platform 2 for the upside of supporting table 1 stated is fixed with a slide bar 3 being arranged along Y direction, the cunning in the supporting table 1
Bar 3 passes through the lifting platform 2, the lifting platform 2 to slide up and down setting along the slide bar 3, gone back in the supporting table 1
First jacking apparatus and the second jacking apparatus are installed, first jacking apparatus and the second jacking apparatus are separately positioned on institute
The left and right sides for the lifting platform 2 stated, first jacking apparatus include the first cylinder 42, are driven by first cylinder 42
The first push rod 43 moved along X-direction, first push rod 43 fixes far from the side of first cylinder 42
It is connected with one first wedge block 44, the one side far from first push rod 43 of first wedge block 44 is one upward
The first inclined-plane 46;Second jacking apparatus include the second cylinder 52, by second cylinder 52 drive along X-axis side
To the second mobile push rod 53, the side far from second cylinder 52 of second push rod 53 is fixedly connected with one the
Two wedge blocks 54;The one side far from second push rod 53 of second wedge block 54 is second inclined-plane upward
56, first inclined-plane 46 and the second inclined-plane 56 are oppositely arranged, the lower surface of the lifting platform 2 be additionally provided with respectively with institute
The matched first pulley 212 in the first inclined-plane 46 stated and the second inclined-plane and second pulley 222, the lifting platform 2 have the
One height and the second height, when the lifting platform 2 is located at the first height, the first pulley 212 and second pulley 222
It is supported in the upper surface of the supporting table 1, described when the lifting platform 2 is located at the second height, the first pulley
212 and second pulley 222 44 He of the first wedge block is slid into along first inclined-plane 46 and the second inclined-plane 56 respectively
The upper surface of second wedge block 54.The first pulley 212 and second pulley 222 passes through a first pulley mounting base respectively
211 and second pulley mounting base 221 be mounted on the lifting platform 2 lower surface.The first pulley mounting base 211 and
Two pulley mounting bases 221 are adjusted at a distance from 2 lower surface of lifting platform in the Y-axis direction.The first pulley peace
It is also respectively provided on dress seat 211 and second pulley mounting base 221 for by the first pulley 212 and second pulley 222
It is locked in the first locking device and the second locking device of the second height.On first inclined-plane 46 and the second inclined-plane 56 respectively
It is provided with the first slideway and the second slideway that one is arranged along X-direction, when first wedge block 44 and the second wedge block 54
When jacking the first pulley 212 and second pulley 222 respectively, the first pulley 212 and second pulley 222 edge respectively
First slideway and the sliding of the second slideway.The lower surface of first wedge block 44 is provided with one or more being capable of edge
First idler wheel 45 of the upper surface slide of the supporting table 1;Second wedge block 54 lower surface setting there are one or
It is multiple can be along the second idler wheel 55 of the upper surface slide of the supporting table 1.First cylinder 42 passes through the first installation
Seat 41 is mounted on the upper surface of the supporting table 1.Second cylinder 52 is mounted on described by the second mounting base 51
The upper surface of supporting table 1.
A kind of lifting device of the application has used the cooperation of wedge block and pulley to jack lifting platform 2, lifting platform 2 has been tieed up
It holds in certain height, the weight of lifting platform 2 is fallen on wedge block, will not be caused stress to hydraulic press, be extended hydraulic press
Service life.In addition, the power being horizontally oriented that hydraulic press applies wedge block, it will be able to play jacking to lifting platform 2 and make
With.
In this application, X-direction is left and right directions as shown in Figure 1, and Y-direction is upper and lower directions as shown in Figure 1.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application
It encloses without being limited thereto.Those skilled in the art on the basis of the application made by equivalent substitute or transformation, in the application
Protection domain within.The protection domain of the application is subject to claims.