CN107233948A - A kind of practical testing stand that may be height adjusted - Google Patents
A kind of practical testing stand that may be height adjusted Download PDFInfo
- Publication number
- CN107233948A CN107233948A CN201710441398.6A CN201710441398A CN107233948A CN 107233948 A CN107233948 A CN 107233948A CN 201710441398 A CN201710441398 A CN 201710441398A CN 107233948 A CN107233948 A CN 107233948A
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- rotating shaft
- connecting rod
- swivel becket
- auxiliary body
- movable block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Invalid Beds And Related Equipment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention proposes a kind of practical testing stand that may be height adjusted, including base, lift assist mechanism and platen；Lift assist mechanism includes multiple rotation dish, multiple rotary shafts and the first swivel becket, base is provided with storage trough and multiple lifting grooves, the first internal thread is provided with lifting groove, rotary shaft is provided with the first external screw thread, rotary shaft is arranged on base by the first external screw thread and the first screw-internal thread fit, rotation dish may be rotatably mounted on platen, rotation dish is corresponded with rotary shaft, rotary shaft upper end is connected with rotation dish, first swivel becket may be rotatably mounted on platen, and rotation dish leans with the first swivel becket inwall.The present invention is simple in construction, and platen highly adjusts convenient.
Description
Technical field
The present invention relates to experiment equipment technical field, and in particular to a kind of practical testing stand that may be height adjusted.
Background technology
In the lab, experimental bench is a kind of indispensable experimental implementation equipment.For different experimenters or not
For experiment, the height of required experimental bench is not quite similar, and the producer of productive experiment platform is productive profit and production efficiency, all
The experimental bench of level altitude model can be produced in batches, this brings inconvenience to user.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of practical experiment that may be height adjusted
Platform.
A kind of practical testing stand that may be height adjusted proposed by the present invention, including base, lift assist mechanism and
Platen；
Lift assist mechanism includes multiple rotation dish, multiple rotary shafts and the first swivel becket, base provided with storage trough and
The first internal thread is provided with multiple lifting grooves, lifting groove, rotary shaft is provided with the first external screw thread, and rotary shaft passes through the first external screw thread
It is arranged on the first screw-internal thread fit on base, rotation dish may be rotatably mounted on platen, a pair of rotation dish and rotary shaft 1
Should, rotary shaft upper end is connected with rotation dish, and the first swivel becket may be rotatably mounted on platen, rotation dish with the first swivel becket
Inwall leans.
Preferably, in addition to extension auxiliary body, extension auxiliary body include installation axle, extension board, location-plate and first
Return unit, installation axle is arranged on platen, and extension board may be rotatably mounted in installation axle, and extension board is provided with shifting chute, positioning
Plate is movably mounted in shifting chute, and location-plate movement can be leant with installation axle, and pulling handle, extension board are provided with location-plate
It is provided with for pulling mobile drawing chute, the first return unit connection extension board and location-plate.
Preferably, the first return unit is helical spring.
Preferably, in addition to the first elevating mechanism, the second elevating mechanism and multiple carrying apparatus；
First elevating mechanism includes movable block, first time movable block, first rotating shaft, the second rotating shaft and multiple first on first
Auxiliary body；It is close and remote that movable block movable bar, which is arranged on movable block moving direction on platen bottom, first, on first
First rotates the direction of ring axis, and first time movable block is movably mounted on base, first time movable block moving direction for by
Near and far rotates the direction of ring axis from first, and first rotating shaft may be rotatably mounted on base, and the second rotating shaft may be rotatably mounted at
On first time movable block；First auxiliary body includes the 3rd rotating shaft, the 4th rotating shaft, first connecting rod, second connecting rod and the 5th rotating shaft,
First connecting rod and second connecting rod upper end connect the 3rd rotating shaft and the 4th rotating shaft respectively, the 5th rotating shaft be rotatably connected first connecting rod and
In the middle part of second connecting rod；First auxiliary body from top to bottom sets gradually, in the first adjacent auxiliary body of any two, under being located at
Side the first auxiliary body the 3rd rotating shaft and the 4th rotating shaft be rotatably connected respectively the first auxiliary body above second connect
Bar and first connecting rod lower end, second is connected positioned at the first connecting rod of the auxiliary body of bottom first and the lower end of second connecting rod respectively
Rotating shaft and first rotating shaft；
Second elevating mechanism includes movable block, second time movable block, the 6th rotating shaft, the 7th rotating shaft and multiple second on second
Auxiliary body；It is close and remote that movable block movable bar, which is arranged on movable block moving direction on platen bottom, second, on second
First rotates the direction of ring axis, and second time movable block is movably mounted on base, second time movable block moving direction for by
Near and far rotates the direction of ring axis from first, and the 6th rotating shaft may be rotatably mounted on base, and the 7th rotating shaft may be rotatably mounted at
On second time movable block；Second auxiliary body includes eighth-turn axle, the 9th rotating shaft, third connecting rod, fourth link and the tenth rotating shaft,
Third connecting rod and fourth link upper end connect eighth-turn axle and the 9th rotating shaft respectively, the tenth rotating shaft be rotatably connected third connecting rod and
In the middle part of fourth link；Second auxiliary body from top to bottom sets gradually, in the second adjacent auxiliary body of any two, under being located at
The eighth-turn axle of the second auxiliary body of side and the 9th rotating shaft are rotatably connected the 4th company of the second auxiliary body above respectively
Bar and third connecting rod lower end, the 7th is connected positioned at the third connecting rod of the auxiliary body of bottom second and the lower end of fourth link respectively
Rotating shaft and the 6th rotating shaft；
First elevating mechanism and the second elevating mechanism are located at first and rotate ring axis opposite sides；Carrying apparatus and the 5th turn
Axle is corresponded, and carrying apparatus and the tenth rotating shaft are corresponded；Carrying apparatus includes two support boards, connecting plate and two second
Return unit, the first end of two support boards connects the 5th rotating shaft and the tenth rotating shaft respectively, and the second of the 5th rotating shaft and the tenth rotating shaft
End is equipped with sliding groove, and the two ends of connecting plate are located in the sliding groove of two support boards respectively, and two the second return units connect respectively
Connect two support boards and connecting plate.
Preferably, the second return unit is helical spring.
Preferably, in addition to mobile auxiliary body, mobile auxiliary body include multiple mounting rods, it is multiple lifting tubes, multiple
Roller and the second swivel becket, mounting rod are arranged on base, and mounting rod is provided with the second external screw thread, and lifting tube is provided with second
Screw thread, lifting tube is corresponded with mounting rod, and lifting tube is connected with mounting rod by the second internal thread with the second external screw thread, roller
Corresponded with lifting tube, roller is arranged on lifting tube, and the second swivel becket may be rotatably mounted on base, lifting tube is with the
Two swivel becket inwalls lean.
Preferably, mobile auxiliary body also includes multiple pulleys, and pulley is corresponded with lifting tube, pulley and lifting tube phase
Against pulley is located at lifting close second against place with lifting tube and rotates ring axis side.
Preferably, the first swivel becket and the second swivel becket inwall are respectively provided with elastic layer.
The present invention can realize rotation dish synchronous axial system in use, rotating the first swivel becket, and rotation dish synchronous axial system can be with
Rotary shaft synchronous axial system is realized, by the first external screw thread and the first screw-internal thread fit, rotary shaft, which is rotated, can realize lifting, rotate
Axle lifting can realize bedplate up-down.The present invention is simple in construction, and platen highly adjusts convenient.
Brief description of the drawings
Fig. 1 is a kind of practical test platform structure schematic diagram that may be height adjusted proposed by the present invention.
Embodiment
Shown in reference picture 1, a kind of practical testing stand that may be height adjusted proposed by the present invention, including base 1, liter
It is auxiliary that auxiliary body, platen 3, extension auxiliary body, the first elevating mechanism, the second elevating mechanism, multiple carrying apparatus and movement are dropped
Help mechanism；
Lift assist mechanism includes multiple rotation dish 21, the swivel becket 23 of multiple rotary shafts 22 and first, and base 1 is provided with storage
The first internal thread is provided with thing groove 11 and multiple lifting grooves 12, lifting groove 12, rotary shaft 22 is provided with the first external screw thread, rotary shaft
22 are arranged on base 1 by the first external screw thread and the first screw-internal thread fit, and rotation dish 21 may be rotatably mounted on platen 3,
Rotation dish 21 is corresponded with rotary shaft 22, and the upper end of rotary shaft 22 is connected with rotation dish 21, and the first swivel becket 23 is rotatably pacified
On platen 3, rotation dish 21 leans with the inwall of the first swivel becket 23.
The present invention can realize the synchronous axial system of rotation dish 21 in use, rotating the first swivel becket 23, and rotation dish 21 is synchronous to be turned
Dynamic to realize the synchronous axial system of rotary shaft 22, by the first external screw thread and the first screw-internal thread fit, rotary shaft 22 is rotated can be real
Now lift, the lifting of rotary shaft 22 can realize that platen 3 is lifted.
In present embodiment, extension auxiliary body includes installation axle 41, extension board 42, the return unit of location-plate 43 and first
44, installation axle 41 is arranged on platen 3, and extension board 42 may be rotatably mounted in installation axle 41, and extension board 42 is provided with shifting chute,
Location-plate 43 is movably mounted in shifting chute, and the movement of location-plate 43 can lean with installation axle 41, be provided with location-plate 43
Pull 431, extension board 42 is provided with for pulling the drawing 431 movements chute 421, the first return unit 44 connection extension board 42
With location-plate 43, the fixation of extension board 42 can be realized against installation axle 41 by location-plate 43, is determined by pulling to pull 431
Position plate 43 can realize that location-plate 43 is separated with installation axle 41, can easily realize and prolong when location-plate 43 is separated with installation axle 41
The rotation of plate 42 is stretched, the increase of experimental implementation area can be realized by the adjustment of the position of extension board 42, can also realize and pass through
Extension board 42 realizes the protection to testing stand side.
In present embodiment, the first elevating mechanism includes movable block 51, first time movable block 52, first rotating shaft on first
53rd, the second rotating shaft 54 and multiple first auxiliary bodies 55；The movable bar of movable block 51 is arranged on the bottom of platen 3, first on first
The upper moving direction of movable block 51 is close to and away from the direction of the axis of the first swivel becket 23, first time removable installation of movable block 52
On base 1, first time moving direction of movable block 52 is close to and away from the direction of the axis of the first swivel becket 23, first rotating shaft 53
It may be rotatably mounted on base 1, the second rotating shaft 54 may be rotatably mounted on first time movable block 52；First auxiliary body 55 includes
3rd rotating shaft 551, the 4th rotating shaft 552, first connecting rod 553, the rotating shaft 555 of second connecting rod 554 and the 5th, first connecting rod 553 and
The upper end of two connecting rod 554 connects the 3rd rotating shaft 551 and the 4th rotating shaft 552 respectively, and the 5th rotating shaft 555 is rotatably connected first connecting rod
553 and the middle part of second connecting rod 554；First auxiliary body 55 from top to bottom sets gradually, the first adjacent auxiliary machine of any two
In structure, the 3rd rotating shaft 551 and the 4th rotating shaft 552 positioned at the first auxiliary body of lower section 55 are rotatably connected above respectively
The second connecting rod 554 of one auxiliary body 55 and the lower end of first connecting rod 553, positioned at the first connecting rod of the first auxiliary body of bottom 55
553 and the lower end of second connecting rod 554 connect the second rotating shaft 54 and first rotating shaft 53 respectively；
Second elevating mechanism includes movable block 61, second time movable block 62, the 6th rotating shaft 63, the and of the 7th rotating shaft 64 on second
Multiple second auxiliary bodies 65；The movable bar of movable block 61 is arranged on the side of movement of movable block 61 on the bottom of platen 3, second on second
To the direction for the close and remote axis of first swivel becket 23, second time movable block 62 is movably mounted on base 1, under second
The moving direction of movable block 62 is direction close and away from the axis of the first swivel becket 23, and the 6th rotating shaft 63 may be rotatably mounted at base
On 1, the 7th rotating shaft 64 may be rotatably mounted on second time movable block 62；Second auxiliary body 65 includes eighth-turn axle the 651, the 9th
Rotating shaft 652, third connecting rod 653, the rotating shaft 655 of fourth link 654 and the tenth, third connecting rod 653 and the upper end of fourth link 654 difference
The rotating shaft 652 of eighth-turn axle 651 and the 9th is connected, the tenth rotating shaft 655 is rotatably connected in third connecting rod 653 and fourth link 654
Portion；Second auxiliary body 65 from top to bottom sets gradually, auxiliary positioned at lower section second in the second adjacent auxiliary body of any two
The rotating shaft 652 of eighth-turn axle 651 and the 9th of mechanism 65 is helped to be rotatably connected the 4th of the second auxiliary body 65 above respectively
Connecting rod 654 and the lower end of third connecting rod 653, positioned at the third connecting rod 653 and fourth link 654 of the second auxiliary body of bottom 65
Lower end connects the 7th rotating shaft 64 and the 6th rotating shaft 63 respectively；
First elevating mechanism and the second elevating mechanism are located at the axis opposite sides of the first swivel becket 23；Carrying apparatus and the 5th
Rotating shaft 555 is corresponded, and carrying apparatus is corresponded with the tenth rotating shaft 655；Carrying apparatus includes two support boards 71, connecting plates
72 and two the second return units, the first end of two support boards 71 connects the 5th rotating shaft 555 and the tenth rotating shaft 655, the 5th respectively
Second end of the rotating shaft 655 of rotating shaft 555 and the tenth is equipped with sliding groove, and the two ends of connecting plate 72 are located at two support boards 71 respectively
In sliding groove, two the second return units connect two support boards 71 and connecting plate 72 respectively.
Object is placed on support board 71, the first elevating mechanism and the second elevating mechanism occur with the lifting of platen 3
Deformation, the first elevating mechanism and the second elevating mechanism deformation can change the distance between carrying apparatus, by carrying apparatus it
Between distance adjustment can effectively adapt to platen 3 lift when internal storage space of the present invention change, and the first elevating mechanism with
Second elevating mechanism can improve the stability of the movement of platen 3.
In present embodiment, the first return unit 44 and the second return unit are helical spring, and helical spring deformation distance is big
And manufacturing cost is low.
In present embodiment, mobile auxiliary body includes multiple mounting rods 81, multiple lifting tubes 82, multiple rollers 83, the
Two swivel beckets 84 and multiple pulleys 85, mounting rod 81 are arranged on base 1, and mounting rod 81 is provided with the second external screw thread, lifting tube
82 are provided with the second internal thread, and lifting tube 82 corresponds with mounting rod 81, and lifting tube 82 and mounting rod 81 pass through spiral shell in second
Line is connected with the second external screw thread, and roller 83 is corresponded with lifting tube 82, and roller 83 is arranged on lifting tube 82, the second swivel becket
84 may be rotatably mounted on base 1, and lifting tube 82 leans with the inwall of the second swivel becket 84, by rotating the second swivel becket 84
It just can easily realize that roller 83 is contacting and separating with ground, being contacting and separating by roller 83 and ground can be easily real
The movement and fixation of the existing present invention, pulley 85 is corresponded with lifting tube 82, and pulley 85 leans with lifting tube 82, pulley 85 and
Lifting tube 82 is located at lifting close to the axis side of the second swivel becket 84 against place, and pulley 85 can improve the second swivel becket 84 and drive
The stability that lifting tube 82 is rotated.
In present embodiment, the first swivel becket 23 and the inwall of the second swivel becket 84 are respectively provided with elastic layer, effectively adapt to this hair
Bright mismachining tolerance, and the effect that the first swivel becket 23 and the second swivel becket 84 drive rotary shaft 22 and lifting tube 82 to rotate can be improved
Really.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of practical testing stand that may be height adjusted, it is characterised in that：Including base (1), lift assist mechanism and
Platen (3)；
Lift assist mechanism includes multiple rotation dish (21), multiple rotary shafts (22) and the first swivel becket (23), and base is set on (1)
Have and the first internal thread is provided with storage trough (11) and multiple lifting grooves (12), lifting groove (12), rotary shaft (22) is provided with first
External screw thread, rotary shaft (22) is arranged on base (1) by the first external screw thread and the first screw-internal thread fit, rotation dish (21)
It is rotatably installed on platen (3), rotation dish (21) and rotary shaft (22) are corresponded, rotary shaft (22) upper end is and rotation dish
(21) connect, the first swivel becket (23) may be rotatably mounted on platen (3), rotation dish (21) with the first swivel becket (23) inwall
Lean.
2. the practical testing stand according to claim 1 that may be height adjusted, it is characterised in that：Also include extending auxiliary
Mechanism is helped, extension auxiliary body includes installation axle (41), extension board (42), location-plate (43) and the first return unit (44), installed
Axle (41) is arranged on platen (3), and extension board (42) may be rotatably mounted in installation axle (41), and extension board (42) is provided with movement
Groove, location-plate (43) is movably mounted in shifting chute, and location-plate (43) movement can lean with installation axle (41), location-plate
(43) pulling is installed (431) on, extension board (42) is provided with for pulling (431) mobile drawing chute (421), first
Return unit (44) connection extension board (42) and location-plate (43).
3. the practical testing stand according to claim 2 that may be height adjusted, it is characterised in that：First return unit
(44) it is helical spring.
4. the practical testing stand according to claim 1 that may be height adjusted, it is characterised in that：Also include first liter
Descending mechanism, the second elevating mechanism and multiple carrying apparatus；
First elevating mechanism includes movable block (51), first time movable block (52), first rotating shaft (53), the second rotating shaft on first
And multiple first auxiliary bodies (55) (54)；Movable block (51) movable bar is arranged on platen (3) bottom on first, and first moves up
Motion block (51) moving direction is close to and away from the direction of the first swivel becket (23) axis, the removable peace of first time movable block (52)
On base (1), first time movable block (52) moving direction is direction close and away from the first swivel becket (23) axis, the
One rotating shaft (53) may be rotatably mounted on base (1), and the second rotating shaft (54) may be rotatably mounted on first time movable block (52)；The
One auxiliary body (55) includes the 3rd rotating shaft (551), the 4th rotating shaft (552), first connecting rod (553), second connecting rod (554) and the
Five rotating shafts (555), first connecting rod (553) and second connecting rod (554) upper end connect the 3rd rotating shaft (551) and the 4th rotating shaft respectively
(552), the 5th rotating shaft (555) is rotatably connected in the middle part of first connecting rod (553) and second connecting rod (554)；First auxiliary body
(55) from top to bottom set gradually, in the first adjacent auxiliary body of any two, positioned at the auxiliary body of lower section first (55)
3rd rotating shaft (551) and the 4th rotating shaft (552) are rotatably connected the second connecting rod of the first auxiliary body (55) above respectively
(554) and first connecting rod (553) lower end, positioned at the first connecting rod (553) and second connecting rod of the auxiliary body of bottom first (55)
(554) lower end connects the second rotating shaft (54) and first rotating shaft (53) respectively；
Second elevating mechanism includes movable block (61), second time movable block (62), the 6th rotating shaft (63), the 7th rotating shaft on second
And multiple second auxiliary bodies (65) (64)；Movable block (61) movable bar is arranged on platen (3) bottom on second, and second moves up
Motion block (61) moving direction is close to and away from the direction of the first swivel becket (23) axis, the removable peace of second time movable block (62)
On base (1), second time movable block (62) moving direction is direction close and away from the first swivel becket (23) axis, the
Six rotating shafts (63) may be rotatably mounted on base (1), and the 7th rotating shaft (64) may be rotatably mounted on second time movable block (62)；The
Two auxiliary bodies (65) include eighth-turn axle (651), the 9th rotating shaft (652), third connecting rod (653), fourth link (654) and the
Ten rotating shafts (655), third connecting rod (653) and fourth link (654) upper end connect eighth-turn axle (651) and the 9th rotating shaft respectively
(652), the tenth rotating shaft (655) is rotatably connected in the middle part of third connecting rod (653) and fourth link (654)；Second auxiliary body
(65) from top to bottom set gradually, in the second adjacent auxiliary body of any two, positioned at the auxiliary body of lower section second (65)
Eighth-turn axle (651) and the 9th rotating shaft (652) are rotatably connected the fourth link of the second auxiliary body (65) above respectively
(654) and third connecting rod (653) lower end, positioned at the third connecting rod (653) and fourth link of the auxiliary body of bottom second (65)
(654) lower end connects the 7th rotating shaft (64) and the 6th rotating shaft (63) respectively；
First elevating mechanism and the second elevating mechanism are located at the first swivel becket (23) axis opposite sides；Carrying apparatus and the 5th turn
Axle (555) is corresponded, and carrying apparatus and the tenth rotating shaft (655) are corresponded；Carrying apparatus includes two support boards (71), connected
Fishplate bar (72) and two the second return units, the first end of two support boards (71) connect the 5th rotating shaft (555) and the tenth turn respectively
Second end of axle (655), the 5th rotating shaft (555) and the tenth rotating shaft (655) is equipped with sliding groove, the two ends difference of connecting plate (72)
In the sliding groove of two support boards (71), two the second return units connect two support boards (71) and connecting plate respectively
(72)。
5. the practical testing stand according to claim 4 that may be height adjusted, it is characterised in that：Second return unit is
Helical spring.
6. the practical testing stand according to claim 1 that may be height adjusted, it is characterised in that：Also include movement auxiliary
Mechanism is helped, mobile auxiliary body includes multiple mounting rods (81), multiple lifting tubes (82), multiple rollers (83) and the second swivel becket
(84), mounting rod (81) is arranged on base (1), and mounting rod (81) is provided with the second external screw thread, and lifting tube (82) is provided with the
Two internal threads, lifting tube (82) is corresponded with mounting rod (81), and lifting tube (82) passes through the second internal thread with mounting rod (81)
It is connected with the second external screw thread, roller (83) is corresponded with lifting tube (82), roller (83) is arranged on lifting tube (82), second
Swivel becket (84) may be rotatably mounted on base (1), and lifting tube (82) leans with the second swivel becket (84) inwall.
7. the practical testing stand according to claim 6 that may be height adjusted, it is characterised in that：Mobile auxiliary body
Also include multiple pulleys (85), pulley (85) is corresponded with lifting tube (82), and pulley (85) leans with lifting tube (82), sliding
Take turns (85) and be located at lifting close to the second swivel becket (84) axis side against place with lifting tube (82).
8. the practical testing stand according to claim 6 that may be height adjusted, it is characterised in that：First swivel becket
And the second swivel becket (84) inwall is respectively provided with elastic layer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441398.6A CN107233948B (en) | 2017-06-13 | 2017-06-13 | Practical test bed capable of adjusting height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441398.6A CN107233948B (en) | 2017-06-13 | 2017-06-13 | Practical test bed capable of adjusting height |
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| Publication Number | Publication Date |
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| CN107233948A true CN107233948A (en) | 2017-10-10 |
| CN107233948B CN107233948B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710441398.6A Active CN107233948B (en) | 2017-06-13 | 2017-06-13 | Practical test bed capable of adjusting height |
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| CN204699739U (en) * | 2015-06-24 | 2015-10-14 | 济宁市技师学院 | A kind of Experiment of Electronics platform |
| CN105866938A (en) * | 2016-06-07 | 2016-08-17 | 北京寺库商贸有限公司 | Movable type object bearing platform and movable type microscope |
| CN206046094U (en) * | 2016-09-09 | 2017-03-29 | 华东交通大学 | A kind of use for laboratory teaching test stand |
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