CN104261309B - Flexible guiding device of vacuum low-temperature motion mechanism - Google Patents
Flexible guiding device of vacuum low-temperature motion mechanism Download PDFInfo
- Publication number
- CN104261309B CN104261309B CN201410412673.8A CN201410412673A CN104261309B CN 104261309 B CN104261309 B CN 104261309B CN 201410412673 A CN201410412673 A CN 201410412673A CN 104261309 B CN104261309 B CN 104261309B
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- CN
- China
- Prior art keywords
- vacuum
- low temperature
- guiding device
- lifting platform
- guide post
- 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.)
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0633—Mechanical arrangements not covered by the following subgroups
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention provides a flexible guiding device of a vacuum low-temperature motion mechanism. The flexible guiding device comprises a frame, a lifting table, guide bar sets and lifting table hinges, the frame is divided into an upper cross beam and a lower base, the base is provided with lockable rolling wheels, the mechanism can be moved and locked in a vacuum tank, the guide bar sets are arranged on two sides of the frame, upper and lower connecting lugs are respectively connected with the upper cross beam and the lower base of the frame, two ends of the lifting table are connected with the guide bar sets through the lifting table hinges to achieve linear sliding, and a power mechanism is arranged in the middle of the mechanism so as to supply power to the lifting table. By the arrangement, the shortcoming existing in a common lifting table guiding device used in the vacuum low-temperature environment is overcome, lubricating and thermal-control protection are omitted, and deformation of the mechanism in expansion and contraction can be coordinated in clearance.
Description
Technical field
The present invention relates to a kind of vacuum and low temperature motor technique field, more particularly, it relates to a kind of vacuum and low temperature fitness machine
The flexible guiding device of structure lifting platform.
Background technology
Space product ground test often need to be carried out in vacuum tank, by extraneous means by the air pressure in vacuum tank be down to
The similar vacuum low-temperature environment of spatial environmentss, to product in tank performance test or simulation test are carried out.Under some test requirements documents,
Need to change in vacuum tank the position of test equipment obtaining different test data informations, therefore its test tool need to possess
Lifting, rotation or mobile ability under vacuum and low temperature.For the guider of normal elevator platform, it is designed without considering that mechanism exists
The malformation that oil-free lubrication and metal shrinkage under vacuum low-temperature environment is produced, if directly making under vacuum low-temperature environment
With, exist pollution tank in test specimen, and malformation it is uneven cause guiding mechanism failure it is stuck the problems such as.
Currently without the explanation or report that find similar techniques, data similar both at home and abroad is also not yet collected.
The content of the invention
For defect present in above-mentioned prior art, the present invention provides a kind of vacuum and low temperature motion flexible guiding dress
Put, exist when overcoming the shortcomings of that normal elevator platform guider is used under vacuum low-temperature environment, without the need for lubrication and thermal louvers,
The deformation that can expand with heat and contract with cold to mechanism carries out the lifting platform guider of gap coordination.
To reach above-mentioned purpose, the technical solution adopted in the present invention is as follows：
A kind of vacuum and low temperature motion flexible guiding device, including frame, lifting platform, guide post group, lifting platform hinge,
Frame is divided into upper beam and lower base, and base arranges lockable scroll wheel, enable the mechanism in vacuum tank it is mobile with
Locking, guide post group is arranged on the both sides of frame, and its upper and lower attachment lug is connected respectively with upper rack crossbeam with lower base,
Lifting platform two ends are connected and realize linear slide by lifting platform hinge with guide post group, and the middle part of mechanism arranges actuating unit and is
Lifting platform provides lifting force.
The guide post group is by upper attachment lug, lower attachment lug, guide post, the cushion block of compressible deformation and screw group
Into cushion block is fitted in the positioning through hole for being vertically connected with auricle, assembles with guide post two ends positioning, and screw consolidates cushion block with guide post
It is fixed.
The lifting platform hinge includes linear bearing, linear bearing seat, screw, the axle sleeve of compressible deformation, packing ring and spiral shell
Mother, wherein, linear bearing is fixed with linear bearing seat, and embedded lifting platform is coordinated with lifting platform using wide arc gap, and axle sleeve runs through
The cooperation through hole of linear bearing seat and lifting platform, its length is more than linear bearing seat and the gross thickness of lifting platform, screw insertion axle
It is fixed with nut in set and by packing ring, is coordinated using small―gap suture, makes at this with around vertical axes rotation and slightly deflection
Degree of freedom.
The guide post face of cylinder carries out high-frequency quenching, and low temperature black chromium plating, surface roughness is less than 0.4.
The lifting platform carries out hard anodized process using duralumin, hard alumin ium alloy, and two ends offer coordinate with linear bearing respectively
Mounting hole and with axle sleeve coordinate through hole.
The cushion block of the compressible deformation is politef cushion block, and the axle sleeve of the compressible deformation is politef
Axle sleeve.
The linear bearing cleans oil-free.
The guiding boom end is provided with spanner groove and detent, and detent is used for the positioning of politef cushion block,
Prevent it from relative slip occurring between guide post.
Guider provided by the present invention, the guide post processed through hard using linear bearing and surface, can be in nothing
The guiding of mechanism is realized in the case of oil lubrication.Lifting platform hinge is double hinge types of attachment, when structure is produced and expanded with heat and contract with cold
With gap coordination function, changeableness when the politef cushion block at guide post two ends is pressurized can be by the compression of itself
For guider, at low temperature metal occurs to carry out stress absorption when shrinkage deforms, and prevents many residue stresses of in-house generation from causing
Malformation affects the motion of mechanism.
Description of the drawings
With reference to the accompanying drawings and detailed description further is made to a kind of vacuum and low temperature motion flexible guiding device
Illustrate, wherein：
Fig. 1 is the structural representation of guider of the present invention；
Fig. 2 is lifting platform hinge fraction structural representation；
Fig. 3 is guide post group attachment lug end structure schematic diagram.
In figure, 1- upper beams, 2- bases, 3- lifting platforms, 4- guide post groups, 5- lifting platform hinges, 6- actuating units, 7-
Upper attachment lug, attachment lug under 8-, 9- linear bearings, 10- linear bearing seats, 11- linear bearings are fixed with linear bearing seat
Screw, 12- politef axle sleeves, 13- special-shaped screw, 14- packing rings, 16- nuts, 17- guide posts, 18- politef pads
Block, 19- politef cushion block and guide post fixing screws.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in FIG. 1 to 3, the flexible guiding device of a kind of vacuum and low temperature lifting platform provided by the present invention, by frame
(including upper beam 1 and lower base 2), lifting platform 3, guide post group 4, lifting platform hinge 5 and actuating unit 6 are constituted.It is oriented to
Bar group 4 is arranged on the both sides of frame, and its upper and lower auricle 7,8 is connected respectively with upper rack crossbeam 1 with base 2, the two ends of lifting platform 3
It is connected and realizes linear slide with guide post group 4 by lifting platform hinge 5, it is lifting platform 3 that the middle part of mechanism arranges power set 6
Lifting force is provided.
Lifting platform 3 is cross beam type slab construction, can provide fixed support or movement track, its two ends point for test instrunment
Mounting hole and through hole are not offered, the type structure is used for mounting lifting platform hinge 5.Lifting platform hinge 5 is double hinge structures, not only
The chain connection between lifting platform 3 and guide post group 4 is realized, also raw length direction can be issued in lifting platform low temperature environment and be shortened
When, compensated by the deformation of hinge gap and politef axle sleeve 12 or Stress Release.Lifting platform hinge 5 is by straight line
Bearing 9, linear bearing seat 10, politef axle sleeve 12, special-shaped screw 13 and associated gasket, nut and screw composition.Directly
Bobbin holds 9 and slides on guide post 17, and the ball in bearing reduces resistance to sliding with guide post by rolling friction.Linear bearing
9 are fixed with linear bearing seat 10 by screw 11, and in the mounting hole of embedded lifting platform 3.Special-shaped screw 13 is inserted in polytetrafluoroethyl-ne
In alkene axle sleeve 12, and contact area is increased by packing ring 14, and locked using nut 16.Politef axle sleeve 12 and liter
Coordinated using small―gap suture between drop platform 3, and the length of axle sleeve 12 1mm bigger than the thickness sum of linear bearing seat 10 and lifting platform 3
Left and right, enables lifting platform hinge 4 that low-angle swing to occur with lifting platform 3, and lifting platform 3 is transferred to into lifting platform hinge 5
Complicated direction force is converted into the power along guide post direction and vertically-guided bar direction.
Guide post group 4 is by upper attachment lug 7, lower attachment lug 8, guide post 17, politef cushion block 18 and screw
With packing ring composition.The end of guide post 17 is provided with spanner groove and detent, and detent is used for determining for politef cushion block 18
Position, prevents it from relative slip occurring between guide post 17.Politef cushion block 18 be intermediate throughholes, the cylinder with the shaft shoulder,
Its small end external diameter is embedded in the through hole of attachment lug 7, is fixed it with guide post 17 using screw 19 and packing ring 14.Guide post
The gap of 1mm or so is stayed between 17 end planes and attachment lug 7,8.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various modifications or modification, this not shadow
Ring the flesh and blood of the present invention.
Claims (9)
1. a kind of vacuum and low temperature motion flexible guiding device, it is characterised in that including frame, lifting platform, guide post group, liter
Drop table-hinges chain, frame is divided into upper beam and lower base, and base arranges lockable scroll wheel, makes vacuum and low temperature motion
Can move in vacuum tank and locking, guide post group is arranged on the both sides of frame, guide post group includes upper attachment lug, lower connection
Auricle, upper attachment lug, lower attachment lug are connected respectively with upper rack crossbeam with lower base, and lifting platform two ends are by lifting
Table-hinges chain is connected and realizes linear slide with guide post group, and it is lifting platform that the middle part of vacuum and low temperature motion arranges actuating unit
Lifting force is provided；The lifting platform hinge include linear bearing, linear bearing seat, screw, the axle sleeve of compressible deformation, pad with
Nut, wherein, linear bearing is fixed with linear bearing seat, and embedded lifting platform is coordinated with lifting platform using wide arc gap, and axle sleeve is passed through
The cooperation through hole of linear bearing seat and lifting platform is worn, its length is more than linear bearing seat and the gross thickness of lifting platform, screw insertion
It is fixed with nut in axle sleeve and by packing ring, is coordinated using small―gap suture, makes to rotate inclined with small size with around vertical axes at this
The degree of freedom for turning.
2. vacuum and low temperature motion flexible guiding device according to claim 1, it is characterised in that the guide post group
Also include guide post, the cushion block of compressible deformation and screw, cushion block is fitted in the positioning through hole for being vertically connected with auricle, with guiding
Bar two ends positioning assembling, screw fixes cushion block with guide post.
3. vacuum and low temperature motion flexible guiding device according to claim 2, it is characterised in that the guide post circle
Cylinder carries out high-frequency quenching, and low temperature black chromium plating, surface roughness is less than 0.4.
4. vacuum and low temperature motion flexible guiding device according to claim 1, it is characterised in that the lifting platform makes
Hard anodized process is carried out with duralumin, hard alumin ium alloy, two ends offer respectively the mounting hole with linear bearing cooperation and coordinate with axle sleeve
Through hole.
5. vacuum and low temperature motion flexible guiding device according to claim 1, it is characterised in that the screw is different
Shape screw.
6. vacuum and low temperature motion flexible guiding device according to claim 1, it is characterised in that the compressible change
The axle sleeve of shape is politef axle sleeve.
7. vacuum and low temperature motion flexible guiding device according to claim 2, it is characterised in that described compressible
The cushion block of deformation is politef cushion block.
8. vacuum and low temperature motion flexible guiding device according to claim 1, it is characterised in that the linear bearing
Cleaning oil-free.
9. vacuum and low temperature motion flexible guiding device according to claim 2, it is characterised in that the guiding rod end
Portion is provided with spanner groove and detent, and detent is used for the positioning of cushion block, prevents it from relative slip occurring between guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412673.8A CN104261309B (en) | 2014-08-20 | 2014-08-20 | Flexible guiding device of vacuum low-temperature motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412673.8A CN104261309B (en) | 2014-08-20 | 2014-08-20 | Flexible guiding device of vacuum low-temperature motion mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104261309A CN104261309A (en) | 2015-01-07 |
| CN104261309B true CN104261309B (en) | 2017-04-26 |
Family
ID=52152940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410412673.8A Active CN104261309B (en) | 2014-08-20 | 2014-08-20 | Flexible guiding device of vacuum low-temperature motion mechanism |
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| Country | Link |
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| CN (1) | CN104261309B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967093B (en) * | 2016-05-16 | 2019-01-01 | 江苏新扬子造船有限公司 | Bull outfit and fittint installation method |
| CN111570632A (en) * | 2020-05-27 | 2020-08-25 | 马鞍山市黎明天工自动化设备有限公司 | Guiding device for overcoming shrinkage and expansion |
| CN115501687A (en) * | 2022-11-03 | 2022-12-23 | 山东三木化工有限公司 | Treatment grid for sewage pretreatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201065317Y (en) * | 2006-12-27 | 2008-05-28 | 中国兵器工业第二○六研究所 | Frame type radar antenna lifting device |
| CN102001603A (en) * | 2010-11-10 | 2011-04-06 | 苏州新协力机器制造有限公司 | Limiting device for guide frame |
| CN202671121U (en) * | 2011-09-28 | 2013-01-16 | 南京河海南自水电自动化有限公司 | Four guide rod supporting lifting device for stepping motor type steel wire horizontal displacement meter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010016166U1 (en) * | 2010-12-03 | 2012-03-05 | Jungheinrich Aktiengesellschaft | Chain bolt for connection to a lift chain of a truck |
-
2014
- 2014-08-20 CN CN201410412673.8A patent/CN104261309B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201065317Y (en) * | 2006-12-27 | 2008-05-28 | 中国兵器工业第二○六研究所 | Frame type radar antenna lifting device |
| CN102001603A (en) * | 2010-11-10 | 2011-04-06 | 苏州新协力机器制造有限公司 | Limiting device for guide frame |
| CN202671121U (en) * | 2011-09-28 | 2013-01-16 | 南京河海南自水电自动化有限公司 | Four guide rod supporting lifting device for stepping motor type steel wire horizontal displacement meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104261309A (en) | 2015-01-07 |
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