CN106018885A - Pneumatic lifting rotating table - Google Patents
Pneumatic lifting rotating table Download PDFInfo
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- CN106018885A CN106018885A CN201510117544.0A CN201510117544A CN106018885A CN 106018885 A CN106018885 A CN 106018885A CN 201510117544 A CN201510117544 A CN 201510117544A CN 106018885 A CN106018885 A CN 106018885A
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- main wheel
- storage tank
- driven pulley
- lifting turntable
- telescopic cylinder
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- 238000012360 testing method Methods 0.000 claims description 19
- 238000013016 damping Methods 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention provides a pneumatic lifting rotating table, and the rotating table comprises a rotating table main body (1), a hollow main shaft (2), a fixed device (3), a driving device (4), and a lifting device (6). The top surface of the rotating table main body (1) is provided with a first accommodation groove (11), and the bottom surface of the rotating table main body (1) is provided with a second accommodation groove (12). The rotating table main body (1) is also provided with a shaft hole (13) communicated with the first accommodation groove (11) and the second accommodation groove (12). The fixed device (3) comprises a main wheel (31), and the top of the main wheel (31) turns out to form a first end part (32). The bottom of the main wheel (31) is sleeved by a driven wheel (33). The bottom surface of the main wheel (31) is axially provided with a blind hole (312). A side surface of the first end face (32) is provided with a limiting through hole (313) communicated with the blind hole (312). The main wheel (31) passes through the shaft hole (13), and also passes through the blind hole (312) to be rotatingly disposed on the main shaft (2) in a sleeved manner. The rotating table is simple, and is very practical.
Description
Technical field
The present invention relates to technical field of electromagnetic compatibility measurement, particularly relate to a kind of Pneumatic elevation turntable.
Background technology
Radiation emission measurement belongs to the category that electromagnetic compatibility is measured, and when electromagnetic compatibility actinometry, darkroom is
Indispensable measurement equipment.In radiation emission measurement, part measurement standard requires that determinand should be placed on appointment height
Degree, on 80cm, 10cm, should be able to rotate equipment under test, in order to maximum in test process simultaneously
Radiating surface measures.Therefore, turntable is the important test equipment in darkroom, and the excellent of turret design will be directly
There is the result of test in the electromagnetic compatibility radiation affecting equipment under test.
In order to ensure the multifunction of test system, multipurpose, it is possible to cover China electromagnetic compatibility international and
National standard, it is possible to high and low voltage electrical equipment, electric tool, vehicle electronics, household electrical appliance, medical treatment are set
Standby, audio frequency and video and communication product etc. carry out electromagnetic compatibility test.Also need to meet the survey of the big electric current of High-Voltage Electrical Appliances
Examination requirement, designs a powerful turntable and is very important, and, EMC emission test should ensure that
Making an uproar at the bottom of darkroom the lowest, electrical turntable the most easily produces electromagnetic disturbance, produces measurement result
Impact.
During to the electromagnetic compatibility radiation emission measurement of desk-top electric equipment or vertical electrical equipment, test height is divided
Being not 80cm and 10cm, traditional laboratory all must change testboard by multiple testers, sometimes,
Desk-top measured object weighs 1 ton, needs quite a few people to spend all the tremendous effort and just can bring up to testboard, very
Inconvenience.
Summary of the invention
The present invention is directed to existing a lot of turntable and be not equipped with automatic lifting testboard, and electric motor work
Time can produce electromagnetic disturbance problem, it is provided that a kind of Pneumatic elevation turntable.
The present invention is with regard to this technical problem proposition techniques below scheme:
The invention provides a kind of lifting turntable, including turn table body, the main shaft of hollow, fixing device, drive
Dynamic device and lowering or hoisting gear；The first storage tank is offered, this turn table body on the end face of described turn table body
Bottom surface on offer the second storage tank；Be further opened with on described turn table body connecting described first storage tank and
The axis hole of described second storage tank；Described fixing device includes columned main wheel, turns up in the top of this main wheel
Form first end, the bottom of described main wheel is arranged with driven pulley regularly；In the axial direction of the bottom surface of main wheel
Offer blind hole；The limiting through hole connected with described blind hole is offered on the side of described first end；Described
Main wheel is arranged in described axis hole, and described first end is fixedly mounted in the groove of described first storage tank
The end；Described main wheel is rotatably sleeved on described main shaft also by its blind hole；Described driving means is arranged on
In described second storage tank, it is used for driving described driven pulley to rotate；The top of described first end is provided with use
Lowering or hoisting gear in lifting equipment under test；The supply lines of equipment under test passes sequentially through described limiting through hole, described
Blind hole, is arranged in described main shaft, and electrically connects with the interface of external power source.
In the lifting turntable that the present invention is above-mentioned, the bottom outer wall of described main wheel offers the first circular step,
Described driven pulley is set on this first circular step.
In the lifting turntable that the present invention is above-mentioned, described spindle top outer wall offers the second circular step；Described
The bottom surface of main wheel is held on this second circular step rotationally.
In the lifting turntable that the present invention is above-mentioned, the bottom land of described first storage tank is provided with for for described
The rotation of one end provides resistance, to reduce the damping unit of the speed that this first end rotates.
In the lifting turntable that the present invention is above-mentioned, described damping unit includes two air dampers, each pneumatic
Antivibrator includes the first telescopic cylinder being fixably attached to the bottom land of described first storage tank, this first stretch
One end of the telescopic shaft of cylinder is provided with the friction end for contacting with described first end.
In the lifting turntable that the present invention is above-mentioned, the bottom of described driven pulley offers and radially extends along this driven pulley
Sliding tray；Described driving means includes the second telescopic cylinder, connecting rod and is slidably disposed in described cunning
Slide block in dynamic groove；Described connecting rod one end is hinged on the expansion link of described second telescopic cylinder, this connecting rod
The other end is hinged on described slide block.
In the lifting turntable that the present invention is above-mentioned, described driven pulley is gear；Described driving means includes that second stretches
Contracting cylinder, the expansion link of this second telescopic cylinder is fixedly mounted the tooth bar engaged with described driven pulley.
In the lifting turntable that the present invention is above-mentioned, described lowering or hoisting gear is shear shank or jack.
In the lifting turntable that the present invention is above-mentioned, described lowering or hoisting gear top is provided with can be by described first storage tank
Notch cover, for supporting the flat board of equipment under test.
The present invention offers axis hole in the axial direction of turn table body, makes the electric equipment being placed on turn table body top
Supply lines be connected on external power source by this axis hole.Meanwhile, the present invention have also been devised consolidating of delicate structure
Determine device, by supply lines clamping, it is to avoid supply lines hoists when turn table body rotates.The present invention is simple,
Practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of the lifting turntable of the embodiment of the present invention；
Fig. 2 is the top view of the lifting turntable shown in Fig. 1；
Fig. 3 is the left view of the lifting turntable shown in Fig. 1；
Fig. 4 is the schematic diagram of the fixing device shown in Fig. 2；
Fig. 5 is the schematic diagram of the other direction of the fixing device shown in Fig. 4；
Fig. 6 is the schematic diagram in the another direction of the fixing device shown in Fig. 4；
Fig. 7 shows the schematic diagram of the driving means shown in Fig. 1；
Fig. 8 is the schematic diagram of the other direction of the driving means shown in Fig. 7；
Fig. 9 is the schematic diagram of the lowering or hoisting gear of the lifting turntable shown in Fig. 1.
Detailed description of the invention
Targeted technical problem is that of the present invention: the most a lot of turntables can not be normal at high-voltage electrical equipment
Rotate this high-voltage electrical equipment during work, more can not lift this high-voltage electrical equipment.The present invention solves this technology
The technical thought of problem is: offer axis hole in the axial direction of turn table body, makes to be placed on turn table body top
The supply lines of electric equipment is connected on external power source by this axis hole.Simultaneously in order to avoid supply lines is at turntable
Hoisting during body rotation, the present invention have also been devised the fixing device of delicate structure, by supply lines clamping.
In order to make those skilled in the art it can be clearly understood that and implement the present invention, below in conjunction with accompanying drawing and
The present invention will be further described in detail for specific embodiment.
It is the schematic diagram of the lifting turntable of the embodiment of the present invention with reference to Fig. 1-Fig. 3, Fig. 1；Fig. 2 is Fig. 1
The top view of shown lifting turntable；Fig. 3 is the left view of the lifting turntable shown in Fig. 1.
As shown in figures 1 and 3, lifting turntable includes turn table body 1, main shaft 2, fixing device 3, drives
Dynamic device 4 and lowering or hoisting gear 6.
Specifically, in the present embodiment, turn table body 1 is cylindrical, and the end face of this turn table body 1 is offered
There is the first storage tank 11, the bottom surface of this turn table body 1 offers the second storage tank 12.Turn table body 1
On be further opened with connecting the first storage tank 11 and axis hole 13 of the second storage tank 12.The extension of this axis hole 13
Direction is axially in parallel with turn table body 1.It is appreciated that the shape of turn table body 1 is not limited to cylindric,
Can also is that round table-like, prism-shaped etc..But for the attractive in appearance and convenience of processing, turn table body 1 is preferably back
Turn.
Further, main shaft 2 is with axis hole 13 conllinear, and fixing device 3 is rotatably sleeved on main shaft 2
On.In the present embodiment, when lifting turntable operates, main shaft 2 keeps resting state.Meanwhile, main shaft 2
For hollow structure, it is preferable that the interface of external power source may be at the underface of this main shaft 2, or whole
The lower section of lifting turntable.Owing to main shaft 2 keeps resting state, it is arranged in main shaft 2, and and external power source
The supply lines that is electrically connected with of interface can't rub with main shaft 2, it is to avoid at supply lines and main shaft 2
The situation that when occurring to rub, supply lines is hoisted.
With reference to the schematic diagram that Fig. 4, Fig. 4 are the fixing device 3 shown in Fig. 2；Fig. 5 is consolidating shown in Fig. 4
Determine the schematic diagram of the other direction of device 3；Fig. 6 is showing of the another direction of the fixing device 3 shown in Fig. 4
It is intended to.
As Figure 4-Figure 6, fixing device 3 includes columned main wheel 31, outside the top of this main wheel 31
Turn over the first end 32 forming annulus column, the bottom of this main wheel 31 is arranged with driven pulley 33 regularly.
Preferably, in the present embodiment, the bottom outer wall of main wheel 31 offers the first circular step 311,
Driven pulley 33 is set on this first circular step 311.
As it is shown on figure 3, offer blind hole 312 in the axial direction of the bottom surface of main wheel 31, such as Fig. 4 and Fig. 6 institute
Show, the side of first end 32 offers limiting through hole 313, this limiting through hole 313 and blind hole 312
Connection.Here, the side of first end 32 refers to the wheel face of this first end 32.
Main shaft 2 top exterior walls offers the second circular step 21, and meanwhile, main shaft 2 is arranged in blind hole 312
In, and the bottom surface of main wheel 31 is held on this second circular step 21 rotationally.On first end 32
Being further opened with power supply interface (not shown), the plug of equipment under test can be by this power supply interface and confession
Electric wire connects；And supply lines can be arranged in limiting through hole 313, blind hole 312 and main shaft 2 successively, with
The interface of external power source connects.Meanwhile, supply lines is limited by limiting through hole 313, and so, supply lines is just
It is not easy to be hoisted.
Owing to when lifting turntable operates, can relatively rotate between main wheel 31 and main shaft 2.So,
In order to reduce the frictional force between main wheel 31 and main shaft 2, lubrication can be set between main wheel 31 and main shaft 2
Oil.It will be appreciated, of course, that and can also use bearing (not shown) between main wheel 31 and main shaft 2
Reduce friction.
Further, main wheel 31 is arranged in axis hole 13, and first end 32 is fixedly mounted in first
The bottom land of storage tank 11.So, when fixing device 3 (or main wheel 31) rotates, turn table body 1 with
Rotation.
Being additionally provided with damping unit 5 on the bottom land of the first storage tank 11, this damping unit 5 is used for being first
The rotation of end 32 provides resistance, to reduce the speed that first end 32 rotates.In the present embodiment, damping
Device 5 includes two air dampers, and each air damper includes being fixably attached to the first storage tank
First telescopic cylinder 51 of the bottom land of 11, one end of the telescopic shaft of this first telescopic cylinder 51 be provided with for
The friction end 52 contacted with first end 32.Owing to, in the present embodiment, first end 32 is in cylinder
Ring-type, in order to expand the contact area between friction end 52 and first end 32, on friction end 52
It is provided with the rubbing surface towards first end 32, and this rubbing surface is arc-shaped.Here, rubbing surface-the first
End 32 has bigger confficient of static friction, typically more than 0.7.Preferably, two air dampers
It is separately positioned on the both sides of first end 32.
Show the schematic diagram of the driving means 4 shown in Fig. 1 with reference to Fig. 7, Fig. 7, Fig. 8 is shown in Fig. 7
The schematic diagram of other direction of driving means 4.
Such as Fig. 1, shown in 7 and 8, the bottom of driven pulley 33 offers and radially extends along this driven pulley 33
Sliding tray 331；Driving means 4 includes the second telescopic cylinder 41, connecting rod 42 and is slidably disposed in
Slide block 43 in sliding tray 331.Connecting rod 42 one end is hinged on the expansion link of the second telescopic cylinder 41,
The other end of this connecting rod 42 is hinged on slide block 43.
In the present embodiment, driving means 4 is arranged in the second storage tank 12.Further, the second telescopic cylinder
41 and the bottom of main shaft 2 be all integrally fixed on horizontal plane.Here horizontal plane can be ground, it is also possible to
It it is the end face of other support meanss.
As shown in Figure 8, when the second telescopic cylinder 41 stretch out or retract its expansion link time, suffered by connecting rod 42
Power, can decompose in one end that this connecting rod 42 is connected with slide block 43 and divide in the radial direction along driven pulley 33 radial direction
Power and the tangential tangential component along driven pulley 33.
Under the effect of radial component, slide block 43 can slide in sliding tray 331；And at tangential component
Under effect, driven pulley 33 can rotate.By this principle, the second telescopic cylinder 41 when stretching out and
During retraction, it is in opposite direction that driven pulley 33 rotates.
Preferably, in order to ensure that driving means 4 can more stably drive driven pulley 33 to rotate, this enforcement
In example, sliding tray 331 has two, and, these two sliding trays 331 are about the axle center of driven pulley 33
In a center of symmetry.
It will be appreciated, of course, that driving means 4 can also is that other structures, such as, driven pulley 33 is tooth
Wheel, driving means 4 includes the second telescopic cylinder 41, on the expansion link of this second telescopic cylinder 41 regularly
Being provided with tooth bar (not shown), this tooth bar engages with driven pulley 33.So, when the second telescopic cylinder
41 stretch out or retract its expansion link time, tooth bar can stretch out therewith or retract, and now driven pulley 33 can with correspondence
Direction rotate.
Further, the top of first end 32 is provided with the lowering or hoisting gear 6 for lifting equipment under test.
In the present embodiment, lowering or hoisting gear 6 is shear shank, as shown in Figure 9.Pneumatic clipper knife rest is prior art, as
" a kind of shear shank lifting device " disclosed in patent application 201410202377.5, and for example patent application
Disclosed 201210341250.2 " above pressure type shear shank mechanism ".
It is appreciated that lowering or hoisting gear 6 is not limited to shear shank, it is also possible to be jack, or other can
The device of lifting equipment under test or equipment.
As it is shown in figure 1, lowering or hoisting gear 6 top is provided with flat board 7, flat board 7 is used for supporting equipment under test.
For needs attractive in appearance, the first storage tank 11 is in cylinder, and flat board 7 is rounded, the first storage tank 11
The radius of cross section equal with the radius of flat board 7.So, when lowering or hoisting gear 6 does not rise, flat board
The notch of the first storage tank 11 is just covered by 7.
The present invention offers axis hole in the axial direction of turn table body, makes the electric equipment being placed on turn table body top
Supply lines be connected on external power source by this axis hole.Meanwhile, the present invention have also been devised consolidating of delicate structure
Determine device, by supply lines clamping, it is to avoid supply lines hoists when turn table body rotates.The present invention is simple,
Practical.
It should be appreciated that for those of ordinary skills, can be improved according to the above description
Or conversion, and all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (9)
1. a lifting turntable, it is characterised in that include turn table body (1), the main shaft (2) of hollow,
Fixing device (3), driving means (4) and lowering or hoisting gear (6)；The top of described turn table body (1)
Offer the first storage tank (11) on face, the bottom surface of this turn table body (1) offers the second storage tank
(12)；It is further opened with on described turn table body (1) connecting described first storage tank (11) and described
The axis hole (13) of two storage tanks (12)；Described fixing device (3) includes columned main wheel (31),
Turn up and form first end (32) in the top of this main wheel (31), fixing on the bottom of described main wheel (31)
Be arranged with driven pulley (33)；Blind hole (312) is offered in the axial direction of the bottom surface of main wheel (31)；Described
The limiting through hole (313) connected with described blind hole (312) is offered on the side of first end (32)；
Described main wheel (31) is arranged in described axis hole (13), and described first end (32) is regularly
It is arranged on the bottom land of described first storage tank (11)；Described main wheel (31) is also by its blind hole (312)
It is rotatably sleeved on described main shaft (2)；Described driving means (4) is arranged on described second and houses
In groove (12), it is used for driving described driven pulley (33) to rotate；The top of described first end (32)
It is provided with the lowering or hoisting gear (6) for lifting equipment under test；The supply lines of equipment under test passes sequentially through described
Limiting through hole (313), described blind hole (312), be arranged in described main shaft (2), and and external power source
Interface electrical connection.
Lifting turntable the most according to claim 1, it is characterised in that the end of described main wheel (31)
Offering the first circular step (311) on portion's outer wall, it is first ring-type that described driven pulley (33) is set in this
On step (311).
Lifting turntable the most according to claim 1, it is characterised in that described main shaft (2) top
Outer wall offers the second circular step (21)；The bottom surface of described main wheel (31) be held in rotationally this
On two circular steps (21).
Lifting turntable the most according to claim 1, it is characterised in that described first storage tank (11)
Bottom land on be provided with for for described first end (32) rotation provide resistance, with reduce this first
The damping unit (5) of the speed that end (32) rotates.
Lifting turntable the most according to claim 4, it is characterised in that described damping unit (5)
Including two air dampers, each air damper includes being fixably attached to described first storage tank
(11) first telescopic cylinder (51) of bottom land, one end of the telescopic shaft of this first telescopic cylinder (51)
It is provided with the friction end (52) for contacting with described first end (32).
Lifting turntable the most according to claim 1, it is characterised in that described driven pulley (33)
Bottom offers the sliding tray (331) radially extended along this driven pulley (33)；Described driving means (4)
Including the second telescopic cylinder (41), connecting rod (42) and be slidably disposed in described sliding tray (331)
In slide block (43)；Described connecting rod (42) one end is hinged on the flexible of described second telescopic cylinder (41)
On bar, the other end of this connecting rod (42) is hinged on described slide block (43).
Lifting turntable the most according to claim 1, it is characterised in that described driven pulley (33) is
Gear；Described driving means (4) includes the second telescopic cylinder (41), this second telescopic cylinder (41)
Expansion link on be fixedly mounted the tooth bar engaged with described driven pulley (33).
Lifting turntable the most according to claim 1, it is characterised in that described lowering or hoisting gear (6)
For shear shank or jack.
Lifting turntable the most according to claim 1, it is characterised in that described lowering or hoisting gear (6)
Top is provided with and can be covered by the notch of described first storage tank (11), for supporting the flat of equipment under test
Plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117544.0A CN106018885B (en) | 2015-03-17 | 2015-03-17 | A kind of Pneumatic elevation turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117544.0A CN106018885B (en) | 2015-03-17 | 2015-03-17 | A kind of Pneumatic elevation turntable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106018885A true CN106018885A (en) | 2016-10-12 |
| CN106018885B CN106018885B (en) | 2018-09-04 |
Family
ID=57082351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510117544.0A Expired - Fee Related CN106018885B (en) | 2015-03-17 | 2015-03-17 | A kind of Pneumatic elevation turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106018885B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001194400A (en) * | 2000-01-14 | 2001-07-19 | Tdk Corp | Turn table device for radio dark room |
| CN201673173U (en) * | 2010-06-08 | 2010-12-15 | 郑州大学 | Lifting and steering mechanism for test rotary table used in TEM cell |
| CN201697940U (en) * | 2010-06-10 | 2011-01-05 | 郑州大学 | Testing turntable used for transverse electromagnetic wave cell |
| CN102435786A (en) * | 2011-09-08 | 2012-05-02 | 中国西电电气股份有限公司 | Turntable device with heavy-current output used for anechoic chamber |
| CN103543297A (en) * | 2012-07-17 | 2014-01-29 | 鸿富锦精密工业（深圳）有限公司 | Turntable |
| CN103964339A (en) * | 2014-05-14 | 2014-08-06 | 中国民航大学 | Shear rack lifting device |
-
2015
- 2015-03-17 CN CN201510117544.0A patent/CN106018885B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001194400A (en) * | 2000-01-14 | 2001-07-19 | Tdk Corp | Turn table device for radio dark room |
| CN201673173U (en) * | 2010-06-08 | 2010-12-15 | 郑州大学 | Lifting and steering mechanism for test rotary table used in TEM cell |
| CN201697940U (en) * | 2010-06-10 | 2011-01-05 | 郑州大学 | Testing turntable used for transverse electromagnetic wave cell |
| CN102435786A (en) * | 2011-09-08 | 2012-05-02 | 中国西电电气股份有限公司 | Turntable device with heavy-current output used for anechoic chamber |
| CN103543297A (en) * | 2012-07-17 | 2014-01-29 | 鸿富锦精密工业（深圳）有限公司 | Turntable |
| CN103964339A (en) * | 2014-05-14 | 2014-08-06 | 中国民航大学 | Shear rack lifting device |
Non-Patent Citations (1)
| Title |
|---|
| 宋斌等: ""一种外场天线测试转台设计"", 《计算机测量与控制》 * |
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| Publication number | Publication date |
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| CN106018885B (en) | 2018-09-04 |
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Granted publication date: 20180904 |