CN107101793A - Multi-direction motion platform - Google Patents
Multi-direction motion platform Download PDFInfo
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- CN107101793A CN107101793A CN201710447949.XA CN201710447949A CN107101793A CN 107101793 A CN107101793 A CN 107101793A CN 201710447949 A CN201710447949 A CN 201710447949A CN 107101793 A CN107101793 A CN 107101793A
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- linear motor
- supporting plate
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- platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Present invention is disclosed a kind of multi-direction motion platform, including bottom plate, X on bottom plate is arranged on to motion, Y-direction motion and rotational motion mechanism, X to motion include the X that is arranged on bottom plate to line slide rail, be set in X to the X on line slide rail to sliding block, be fixedly mounted on X to the X on sliding block to supporting plate and X to drive mechanism；Y-direction motion includes being arranged on X to the Y-direction line slide rail on supporting plate, the Y-direction sliding block being set on Y-direction line slide rail, the Y-direction supporting plate being fixedly mounted on Y-direction sliding block and Y-direction drive mechanism；Rotational motion mechanism includes rotary drive mechanism, in addition to the rack being arranged on rotary drive mechanism, and be arranged on Y-direction supporting plate gear, linkage, rotate element, rotate element is connected by linkage with gear.The multi-direction motion platform of the present invention is flexible, make simple, can not only realize high accuracy, move at high speed, additionally it is possible to realize the moving interpolation of Frequency.
Description
Technical Field
The invention belongs to the field of manufacturing and testing, and particularly relates to a platform capable of moving in multiple directions.
Background
Multidirectional motion platforms are widely used in the manufacturing and testing fields. The existing multidirectional motion platform is mainly realized by the superposition of a 'rotating motor + screw rod' linear motion platform and a rotating motor. Due to the limitation of creep and rotation driving modes of the screw rod, and the large mass/output value of the existing rotating motor, the existing multidirectional motion platform is slow in response, short in stroke, poor in precision and small in effective load, and the development of the manufacturing industry and other industries is greatly restricted.
Disclosure of Invention
The invention aims to solve the technical problem of providing a platform capable of moving in multiple directions, and can effectively solve the problems of slow response, short stroke, poor precision and small effective load of the existing moving platform.
In order to solve the technical problem, the invention adopts the technical scheme that the multidirectional motion platform comprises a bottom plate, an X-direction motion mechanism, a Y-direction motion mechanism and a rotary motion mechanism, wherein the X-direction motion mechanism, the Y-direction motion mechanism and the rotary motion mechanism are arranged on the bottom plate; the X-direction movement mechanism comprises an X-direction movement platform and an X-direction driving mechanism, the X-direction movement platform comprises an X-direction linear slide rail arranged on the bottom plate, an X-direction slide block sleeved on the X-direction linear slide rail, and an X-direction supporting plate fixedly arranged on the X-direction slide block; the Y-direction movement mechanism comprises a Y-direction movement platform and a Y-direction driving mechanism, the Y-direction movement platform comprises a Y-direction linear slide rail arranged on the X-direction supporting plate, a Y-direction sliding block sleeved on the Y-direction linear slide rail, and a Y-direction supporting plate fixedly arranged on the Y-direction sliding block; the rotary motion mechanism comprises a rotary driving mechanism, a rack arranged on the rotary driving mechanism, a gear, a connecting rod mechanism and a rotary element, wherein the gear, the connecting rod mechanism and the rotary element are arranged on the Y-direction supporting plate, the rotary element is connected with the gear through the connecting rod mechanism, the rotary driving mechanism drives the rack to drive the gear to move, and therefore the rotary element is driven to rotate through the connecting rod mechanism.
In addition, the invention also provides the following auxiliary technical scheme.
Preferably, the gear is a sector gear, the link mechanism is a four-bar link mechanism, and the rotating element is a turntable.
Preferably, the link mechanism comprises a first four-bar linkage mechanism and a second four-bar linkage mechanism, and the rotating element is rotatably mounted on the Y-direction supporting plate through a bearing.
Preferably, the X-direction driving mechanism comprises X-direction linear motor magnetic steel mounted on the bottom plate and an X-direction linear motor coil fixed on the X-direction supporting plate; and X-direction limiting parts are arranged at two ends of the X-direction linear slide rail.
Preferably, the X-direction movement mechanism further comprises an X-direction grating ruler mounted on the bottom plate and an X-direction grating ruler reading head mounted on the X-direction supporting plate.
Preferably, the Y-direction driving mechanism comprises a Y-direction linear motor magnetic steel mounted on the bottom plate and a Y-direction linear motor coil connected to the Y-direction supporting plate; and Y-direction limiting parts are arranged at two ends of the Y-direction linear slide rail.
Preferably, the Y-direction movement mechanism further comprises a Y-direction transmission device, the Y-direction transmission device comprises a Y-direction transmission sliding block and a Y-direction transmission linear sliding rail, the Y-direction transmission sliding block is connected to the Y-direction linear motor coil through a transfer plate, the Y-direction transmission linear sliding rail is installed on the Y-direction supporting plate, and the Y-direction transmission sliding block is sleeved on the Y-direction transmission linear sliding rail.
Preferably, the Y-direction movement mechanism further comprises a Y-direction grating ruler mounted on the bottom plate, and a Y-direction grating ruler reading head mounted on a Y-direction linear motor coil.
Preferably, the rotation driving mechanism includes a rotation direction linear motor magnetic steel mounted on the Y-direction pallet and a linear motor coil fixed to the coupling block.
Preferably, the rotary motion mechanism further comprises a grating ruler arranged on the magnetic steel of the linear motor in the rotation direction and a grating ruler reading head arranged on the coupling block.
Compared with the prior art, the invention has the advantages that: according to the X-direction movement mechanism and the Y-direction movement mechanism of the multi-direction movement platform, the X-direction movement platform and the Y-direction movement platform are respectively and directly driven by the two linear motors through the matching of the linear slide rails and the slide blocks, so that the movement of the X-direction movement platform and the movement of the Y-direction movement platform in two directions are realized, and the mechanical structure is greatly simplified. The rotation of the rotating element is realized by driving a group of four-bar mechanisms through a gear rack by a rotation driving mechanism so as to drive a group of four-bar mechanisms, and the transmission is accurate and the efficiency is high.
The multi-direction motion platform provided by the invention not only can realize high-precision and high-speed motion, but also can realize variable-frequency interpolation motion by relying on the advantages of the mechanical body and combining the existing motion control technology.
The multidirectional motion platform has good flexibility and simple manufacture, can be used for the process flows of plug-in, dispensing, soldering and the like, and can also be used for applying forced vibration to models in the industries of construction, aerospace and the like to finish the force measurement and vibration measurement experiments of the models.
Drawings
FIG. 1 is a perspective view of the multi-directional motion platform of the present invention.
FIG. 2 is a perspective view of the assembly of the base plate and the X-direction moving mechanism of the multi-direction moving platform of the present invention.
FIG. 3 is a perspective view of the assembly of the base plate, the X-direction moving mechanism and the Y-direction moving mechanism of the multi-directional moving platform of the present invention.
FIG. 4 is a perspective view of the combination of the Y-direction pallet and the rotary motion mechanism of the multi-direction motion platform of the present invention.
FIG. 5 is a schematic view of the assembly of the rotating element and bearing of the multi-directional motion platform of the present invention.
Fig. 6 is a schematic diagram of the rotational motion mechanism of the multi-directional motion platform of the present invention.
FIG. 7 is a control schematic of the multi-directional motion platform of the present invention.
Wherein,
1. base plate 2.X is to slider 3.X is to linear slide
4.X is to spacing part 5.X is to layer board 7.X is to linear electric motor magnet steel
X-direction linear motor coil 9. X-direction grating ruler reading head 10. X-direction grating ruler
11, Y-direction linear motor coil 12, Y-direction linear motor magnetic steel 13, linear slide rail
Y-direction transmission slide block 15, Y-direction transmission linear slide rail 16, Y-direction grating ruler reading head
Y-direction grating ruler 18, Y-direction supporting plate 19 and Y-direction sliding block
20, Y-direction linear slide rail 21, Y-direction stopper 22, rotation direction linear motor magnetic steel
23. Linear slide rail 24, slide block 25, grating ruler
26. Raster ruler reading head 27, coupling block 28, linear motor coil
29. Rack 30, gear 31, first four-bar mechanism
32. Bearing 33, bearing pressing sheet 34, second four-bar mechanism
PC 36 PAC 37X-axis motor driver
Y-axis motor drive 39, rotating motor drive 40, rotating element
41. Adapter plate 51, square hole 71. U-shaped groove
122, U-shaped groove 221, U-shaped groove
Detailed Description
The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings.
As shown in fig. 1 to 7, the multi-directional motion platform of the present invention includes a base plate 1, and an X-directional motion mechanism, a Y-directional motion mechanism, and a rotation motion mechanism disposed on the base plate 1.
As shown in fig. 1 and 2, the X-direction movement mechanism includes an X-direction driving mechanism and an X-direction movement platform. The X-direction driving mechanism is an X-direction linear motor and comprises X-direction linear motor magnetic steel 7 and an X-direction linear motor coil 8. The X-direction moving platform comprises an X-direction linear slide rail 3, an X-direction slide block 2 and an X-direction supporting plate 5.
Two X-direction linear sliding rails 3 are respectively fixed on the bottom plate 1 through bolts, and in order to realize the smooth movement of the X-direction movement mechanism, the two X-direction linear sliding rails 3 are arranged in parallel. The X-direction sliding block 2 is slidably sleeved on the X-direction linear sliding rail 3, and the X-direction supporting plate 5 is fixed to the X-direction sliding block 2 through a bolt. During assembly, the positioning edge on the X-direction supporting plate 5 is tightly attached to the side edge of the X-direction sliding block 2, so that the side edge of the X-direction supporting plate 5 is parallel to the X-direction linear sliding rail 3, and the X movement direction and the Y movement direction can be further vertical.
The X-direction linear motor magnetic steel 7 is attached to the corresponding positioning edge of the bottom plate 1 and is fixed on the bottom plate 1 through bolts. The X-direction linear motor magnetic steel 7 is provided with a U-shaped groove 71. The X-direction linear motor coil 8 is fixedly arranged on the side edge of the X-direction supporting plate 5 and sleeved in the U-shaped groove 71 of the X-direction linear motor magnetic steel 7. Preferably, the air gaps on the two side walls of the U-shaped groove 71 of the X-direction linear motor coil 8 and the X-direction linear motor magnetic steel 7 are the same.
Two ends of the two X-direction linear sliding rails 3 are provided with X-direction limiting pieces 4 so as to ensure that the X-direction supporting plate 5 always moves in a fixed range. The X-direction grating ruler 10 is attached to the bottom plate 1, and preferably, the X-direction grating ruler 10 is parallel to the X-direction movement direction. The X-direction pallet 5 is formed with a square hole 51, and the square hole 51 may have other shapes. The X-direction grating ruler reading head 9 is arranged on the side of the square hole 51 of the X-direction supporting plate 5. Preferably, the X-direction grating scale reading head 9 and the X-direction grating scale 10 are arranged in parallel with a proper gap.
As shown in fig. 1 to 3, the Y-direction moving mechanism includes a Y-direction driving mechanism, a Y-direction transmission device, and a Y-direction moving platform. The Y-direction driving mechanism is a Y-direction linear motor and comprises Y-direction linear motor magnetic steel 12 and a Y-direction linear motor coil 11. The Y-direction transmission device comprises a Y-direction transmission slide block 14 and a Y-direction transmission linear slide rail 15. The Y-direction moving platform comprises a Y-direction linear slide rail 20, a Y-direction slide block 19 and a Y-direction supporting plate 18.
The two Y-direction linear sliding rails 20 are respectively fixed on the X-direction supporting plate 5 through bolts, and in order to realize the stable motion of the Y-direction motion mechanism, the two Y-direction linear sliding rails 20 are arranged in parallel. Two ends of the two Y-direction linear sliding rails 20 are respectively provided with a Y-direction limiting member 21 to ensure that the Y-direction supporting plate 18 always moves in a fixed range.
The Y-direction linear motor magnetic steel 12 is attached to the corresponding positioning edge of the bottom plate 1 and fixed on the bottom plate 1 through bolts. The Y-direction linear motor magnetic steel 12 is provided with a U-shaped groove 122, and the linear slide rail 13 of the Y-direction linear motor coil 11 is fixedly mounted on the corresponding position of the Y-direction linear motor magnetic steel 12 through a bolt.
During assembly, the Y-direction linear motor coil 11 is mounted on the adapter plate 41 and slides into the U-shaped groove 122 of the Y-direction linear motor magnetic steel 12. Preferably, the air gaps on the two side walls of the U-shaped groove 122 of the Y-direction linear motor coil 11 and the Y-direction linear motor magnetic steel 12 are the same. Then, the Y-direction transmission slide block 14 is mounted on the adapter plate 41, the Y-direction transmission linear slide rail 15 is assembled to the corresponding position on the Y-direction pallet 18 along the positioning edge, and then the Y-direction transmission linear slide rail 15 is slid into the Y-direction transmission slide block 14. Thereafter, the Y-direction pallet 18 is fixed to the Y-direction slider 19 by bolts. After assembly, the Y-direction slider 19 is slidably fitted over the Y-direction linear slide rail 20.
The Y-direction grating ruler 17 is attached to the bottom plate 1, and preferably, the Y-direction grating ruler 17 is parallel to the Y-direction movement direction. The Y-direction grating scale reading head 16 is arranged on the Y-direction linear motor coil 11, and preferably, the Y-direction grating scale reading head 16 is arranged in parallel with the Y-direction grating scale 17, and an air gap is proper.
As shown in fig. 4 and 5, the rotary motion mechanism includes a rotary drive mechanism, a rack 29, a gear 30, a link mechanism, and a rotary member 40. Preferably, the gear 30 is a sector gear, but may have other shapes that perform its driving function. Preferably, the linkage is a four-bar linkage, although other shapes are possible to achieve its transmission function.
The rotation driving mechanism is a rotation direction linear motor, and includes a rotation direction linear motor magnetic steel 22 and a linear motor coil 28. The linear motor magnetic steel 22 in the rotation direction is attached to the corresponding positioning edge of the Y-direction supporting plate 18 and is fixedly mounted on the Y-direction supporting plate 18 through bolts. The linear slide rail 23 is fixedly mounted on the linear motor magnetic steel 22 in the rotating direction along the positioning edge through bolts.
The grating ruler 25 is installed on the rotation direction linear motor magnetic steel 22, preferably, the grating ruler 25 is parallel to the movement direction of the rotation direction linear motor. The grating scale reading head 26 is mounted on a coupling block 27 and the linear motor coil 28 is mounted on the coupling block 27. The rotation direction linear motor magnetic steel 22 is provided with a U-shaped groove 221. During assembly, the assembled components and the linear motor coil 28 slide into the U-shaped groove 221 of the linear motor magnetic steel 22 in the rotating direction, the connecting block 27 is fixed on the sliding block 24 through bolts, and after assembly is completed, the sliding block 24 and the linear sliding rail 23 can be matched in a sliding mode. Preferably, the grating scale reading head 26 is arranged parallel to the grating scale 25 with a suitable air gap. Preferably, the linear motor coil 28 fits into the air gaps on both side walls of the U-shaped groove 221 of the rotational direction linear motor magnetic steel 22. The rack 29 is fixed to the linear motor coil 28 by bolts.
As shown in fig. 4 and 5, the rotary motion mechanism further includes a bearing 32 and a bearing pressing piece 33. Preferably, the bearings 32 are deep groove ball bearings. During assembly, the bearing 32 is pressed into the bearing chamber of the Y-direction supporting plate 18, the bearing 32 is in interference fit with the wall of the bearing chamber, and then the bearing pressing plate 33 is pressed on the outer ring of the bearing 32 and fixed through bolts.
The linkage mechanism includes a first four-bar linkage 31 and a second four-bar linkage 34. Preferably, the first four-bar linkage 31 and the second four-bar linkage 34 are both parallel four-bar linkages. Preferably, the rotating element 40 is a turntable, and the rotating element 40 is connected to the second four-bar linkage 34.
When assembled, the shoulder of the stepped shaft of the rotary member 40 is pressed against the inner race of the bearing 32 and fixed by bolts. The gear 30 is rotatably mounted to a corresponding pin of the Y-bracket 18 and ensures that the gear 30 is fully engaged with the rack 29. Thereafter, the links of the first four-link mechanism 31 and the second four-link mechanism 34 are sequentially coupled, as shown in fig. 6. In operation, the rotation driving mechanism drives the rack 29 to drive the gear 30 to move, so as to drive the rotating element 40 to rotate through the first four-bar linkage 31 and the second four-bar linkage 34.
As shown in fig. 7, the PC 35 is a host computer of the multidirectional motion platform of the present invention, and the PAC36 is a host computer of the multidirectional motion platform of the present invention, which transmit commands and data through Modbus TCP/IP bus protocol. PAC36 communicates instructions and data with X-axis motor driver 37, Y-axis motor driver 38, and rotary motor driver 39 via EtherCAT bus protocols. The X-axis motor driver 37, the X-direction linear motor (composed of the X-direction linear motor magnetic steel 7 and the X-direction linear motor coil 8), and the X-axis grating (composed of the X-direction grating scale reading head 9 and the X-direction grating scale 10) form a full closed-loop control system. The Y-axis motor driver 38 forms a fully closed-loop control system with the Y-axis linear motor (formed by the Y-axis linear motor magnetic steel 12 and the Y-axis linear motor coil 11) and the Y-axis grating (formed by the Y-axis grating scale reading head 16 and the Y-axis grating scale 17). The rotary motor driver 38 forms a fully closed loop control system with the rotary direction linear motor (consisting of the rotary direction linear motor magnetic steel 22 and the linear motor coil 28) and the raster of the rotary direction linear motor (consisting of the raster ruler 25 and the raster ruler reading head 26).
The working principle of the multidirectional motion platform is as follows.
An X-direction linear motor composed of an X-direction linear motor magnetic steel 7 and an X-direction linear motor coil 8 directly drives an X-direction moving platform composed of an X-direction sliding block 2, an X-direction linear sliding rail 3 and an X-direction supporting plate 5. The real-time position of the X-direction moving platform is fed back by the X-direction grating ruler reading head 9 and the X-direction grating ruler 10. In order to ensure that the X-direction motion platform can safely move in a fixed position, an X-direction limit stop 4 is required to restrict the motion range of the platform.
The Y-direction linear motor composed of the Y-direction linear motor magnetic steel 12 and the Y-direction linear motor coil 11 directly drives the Y-direction motion platform composed of the Y-direction supporting plate 18, the Y-direction sliding block 19 and the Y-direction linear sliding rail 20 through a transmission device composed of the Y-direction transmission sliding block 14 and the Y-direction transmission linear sliding rail 15. The real-time position of the Y-direction motion platform is fed back by the Y-direction grating ruler reading head 16 and the Y-direction grating ruler 17. In order to ensure that the Y-motion stage can move safely in a fixed position, a Y-stop 21 is required to restrict the range of motion of the stage.
The linear motor in the rotation direction, which is composed of the magnetic steel 22 in the linear motor in the rotation direction and the coil 28 in the linear motor in the rotation direction, drives the gear 30 through the rack 29 to drive the first four-bar linkage 31, and then drives the second four-bar linkage 34 through the first four-bar linkage 31, so as to achieve the purpose of driving the rotation element 40 to rotate. The real-time position of the rotation of the rotary member 40 is obtained by kinematic solution in accordance with the real-time position fed back from the grating scale 25 and the grating scale reading head 26.
According to the X-direction movement mechanism and the Y-direction movement mechanism of the multi-direction movement platform, the X-direction movement platform and the Y-direction movement platform are respectively and directly driven by the two linear motors through the matching of the linear slide rails and the slide blocks, so that the movement of the X-direction movement platform and the movement of the Y-direction movement platform in two directions are realized, and the mechanical structure is greatly simplified. The rotation of the rotating element is realized by driving a group of four-bar mechanisms through a gear rack by a rotation driving mechanism so as to drive a group of four-bar mechanisms, and the transmission is accurate and the efficiency is high.
The multi-direction motion platform provided by the invention not only can realize high-precision and high-speed motion, but also can realize variable-frequency interpolation motion by relying on the advantages of the mechanical body and combining the existing motion control technology.
The multidirectional motion platform has good flexibility and simple manufacture, can be used for the process flows of plug-in, dispensing, soldering and the like, and can also be used for applying forced vibration to models in the industries of construction, aerospace and the like to finish the force measurement and vibration measurement experiments of the models.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A multidirectional motion platform comprises a bottom plate (1), an X-direction motion mechanism, a Y-direction motion mechanism and a rotary motion mechanism, wherein the X-direction motion mechanism, the Y-direction motion mechanism and the rotary motion mechanism are arranged on the bottom plate (1);
the X-direction movement mechanism comprises an X-direction movement platform and an X-direction driving mechanism, the X-direction movement platform comprises an X-direction linear slide rail (3) arranged on the bottom plate (1), an X-direction slide block (2) sleeved on the X-direction linear slide rail (3), and an X-direction supporting plate (5) fixedly arranged on the X-direction slide block (2);
the Y-direction movement mechanism comprises a Y-direction movement platform and a Y-direction driving mechanism, the Y-direction movement platform comprises a Y-direction linear slide rail (20) arranged on the X-direction supporting plate (5), a Y-direction sliding block (19) sleeved on the Y-direction linear slide rail (20), and a Y-direction supporting plate (18) fixedly arranged on the Y-direction sliding block (19);
the rotary motion mechanism comprises a rotary driving mechanism, and is characterized in that: the rotary motion mechanism further comprises a rack (29) arranged on the rotary driving mechanism, and a gear (30), a link mechanism and a rotary element (40) which are arranged on the Y-direction supporting plate (18), wherein the rotary element (40) is connected with the gear (30) through the link mechanism, the rotary driving mechanism drives the rack (29) to drive the gear (30) to move, and therefore the link mechanism drives the rotary element (40) to rotate.
2. The multi-directional motion platform of claim 1, wherein: the gear (30) is a sector gear, the link mechanism is a four-bar link mechanism, and the rotating element (40) is a turntable.
3. The multi-directional motion platform of claim 2, wherein: the link mechanism comprises a first four-bar link mechanism (31) and a second four-bar link mechanism (34), and the rotating element (40) is rotatably mounted on the Y-direction supporting plate (18) through a bearing (32).
4. The multi-directional motion platform of claim 1, wherein: the X-direction driving mechanism comprises X-direction linear motor magnetic steel (7) arranged on the bottom plate (1) and an X-direction linear motor coil (8) fixed on the X-direction supporting plate (5); and X-direction limiting parts (4) are arranged at two ends of the X-direction linear slide rail (3).
5. The multi-directional motion platform of claim 1, wherein: the X-direction movement mechanism further comprises an X-direction grating ruler (10) arranged on the bottom plate (1) and an X-direction grating ruler reading head (9) arranged on the X-direction supporting plate (5).
6. The multi-directional motion platform of claim 1, wherein: the Y-direction driving mechanism comprises Y-direction linear motor magnetic steel (12) arranged on the bottom plate (1) and a Y-direction linear motor coil (11) connected to the Y-direction supporting plate (18); and Y-direction limiting parts (21) are arranged at two ends of the Y-direction linear slide rail (20).
7. The multi-directional motion platform of claim 6, wherein: the Y-direction movement mechanism further comprises a Y-direction transmission device, and the Y-direction transmission device comprises a Y-direction transmission slide block (14) and a Y-direction transmission linear slide rail (15); the Y-direction transmission sliding block (14) is connected to the Y-direction linear motor coil (11) through an adapter plate (41), the Y-direction transmission linear sliding rail (15) is installed on the Y-direction supporting plate (18), and the Y-direction transmission sliding block (14) is sleeved on the Y-direction transmission linear sliding rail (15).
8. The multi-directional motion platform of claim 6, wherein: the Y-direction movement mechanism further comprises a Y-direction grating ruler (17) arranged on the bottom plate (1) and a Y-direction grating ruler reading head (16) arranged on the Y-direction linear motor coil (11).
9. The multi-directional motion platform of claim 1, wherein: the rotary driving mechanism comprises a rotary direction linear motor magnetic steel (22) arranged on the Y-direction supporting plate (18) and a linear motor coil (28) fixed on a connecting block (27).
10. The multi-directional motion platform of claim 9, wherein: the rotary motion mechanism also comprises a grating ruler (25) arranged on the linear motor magnetic steel (22) in the rotation direction and a grating ruler reading head (26) arranged on the connecting block (27).
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| CN107907959A (en) * | 2017-11-24 | 2018-04-13 | 哈工大机器人集团（哈尔滨）华粹智能装备有限公司 | It is a kind of to be used for pH effect and the ultraprecise six degree of freedom five-axis adjustment device of detection |
| CN108649011A (en) * | 2018-07-12 | 2018-10-12 | 苏州大学 | Three Degree Of Freedom dispensing locating platform |
| CN109732299A (en) * | 2019-01-09 | 2019-05-10 | 深圳福瑞特自动化有限公司 | Position adjustment mechanism and positioning device |
| CN111085971A (en) * | 2019-12-31 | 2020-05-01 | 上海三佑科技发展有限公司 | Control gantry dual-drive testing equipment based on linear motor |
| CN111198085A (en) * | 2018-11-19 | 2020-05-26 | 张民基 | Road transportation analogue test platform |
| CN114393553A (en) * | 2021-12-21 | 2022-04-26 | 中国科学院长春光学精密机械与物理研究所 | A high-precision turntable system driven by a linear lead screw |
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Application publication date: 20170829 |