CN110749547B - Electric displacement adjusting device - Google Patents
Electric displacement adjusting device Download PDFInfo
- Publication number
- CN110749547B CN110749547B CN201910985426.XA CN201910985426A CN110749547B CN 110749547 B CN110749547 B CN 110749547B CN 201910985426 A CN201910985426 A CN 201910985426A CN 110749547 B CN110749547 B CN 110749547B
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- push rod
- electric push
- electric
- adjusting device
- hanging ring
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 51
- 229910052734 helium Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention discloses an electric displacement adjusting device, belongs to the technical field of precise displacement control, and can solve the problems that the existing electric displacement adjusting device is limited in bearing capacity, complex in structure, large in size, short in service life and incapable of self-locking after power-off during vertical displacement adjustment. The device comprises: the bearing piece is used for bearing objects to be carried; the electric push rod is connected with the bearing piece and is used for driving the bearing piece to move in the vertical direction; and the controller is used for controlling the electric push rod to work. The invention is used for adjusting the displacement of the object to be carried.
Description
Technical Field
The invention relates to an electric displacement adjusting device, and belongs to the technical field of precise displacement control.
Background
In the field of photoelectric detection, it is often necessary to perform detection of photoelectric properties of a material under a low-temperature constant-temperature condition, and a low-temperature thermostat is required. In the detection, the position of the cryostat needs to be adjusted because the sample in the cryostat and the detection light path are required to be aligned in a centering way.
The electric displacement adjusting device is a device for electrically adjusting the position of an object to be carried, and the existing electric displacement adjusting device drives a common screw rod to move or drives a hydraulic device to drive the object to be carried to carry out displacement adjustment by utilizing a motor. However, the electric displacement adjusting device which utilizes a motor to drive a common screw rod to move cannot be self-locked, and can only be suitable for horizontal displacement adjustment but not vertical displacement adjustment. The electric displacement adjusting device using the hydraulic device and the like has a complex structure, the service life is limited, and the bearing capacity of the electric displacement adjusting device is limited compared with that of the electric displacement adjusting device using the motor to drive the common screw rod.
Disclosure of Invention
The invention provides an electric displacement adjusting device, which can solve the problems that the existing electric displacement adjusting device has limited bearing capacity, complex structure, larger volume, shorter service life and cannot be self-locked after power-off in the vertical direction displacement adjustment.
The invention provides an electric displacement adjusting device, which comprises: the bearing piece is used for bearing objects to be carried; the electric push rod is connected with the bearing piece and is used for driving the bearing piece to move in the vertical direction; and the controller is used for controlling the electric push rod to work.
Optionally, the device further comprises a translation stage and a driving member, wherein the translation stage and the driving member are arranged on the bearing member, and the driving member can drive the translation stage to move in the horizontal direction; the object to be carried is placed on the translation table; the controller is also used for controlling the driving piece to work.
Optionally, the device further comprises an upper hanging ring and a lower hanging ring which are oppositely arranged, and the lower hanging ring is positioned below the upper hanging ring; the top of the electric push rod is connected with the bottom of the lower hanging ring; the upper hanging ring is connected with the lower hanging ring through a connecting piece so as to be clamped on a fixed object.
Optionally, the device further comprises at least one guide rod; the extending direction of the guide rod is parallel to the moving direction of the push rod of the electric push rod; the top of the guide rod is connected with the bottom of the lower hanging ring, and the bottom of the guide rod is movably connected with the bearing piece; the bearing piece can move along the guide rod in the vertical direction.
Optionally, the device further comprises a controller hanging plate, wherein the controller hanging plate is connected with the bottom of the lower hanging ring, and the controller is fixed on the controller hanging plate.
Optionally, the device further comprises a thrust connecting plate, and the push rod of the electric push rod is connected with the thrust connecting plate through a flange; the bottom of the bearing piece is connected with the thrust connecting plate.
Optionally, the device further comprises a columnar cylinder arranged on the translation stage, wherein the internal dimension of the columnar cylinder is adapted to the dimension of the object to be carried; the columnar cylinder is used for placing the object to be carried.
Optionally, the electric push rod is a self-locking electric push rod, and a driving motor of the electric push rod is a stepping motor.
Optionally, the number of the guide rods is 2-4.
The invention has the beneficial effects that:
1) According to the electric displacement adjusting device provided by the invention, the electric push rod is used for driving the object to be carried to move, so that the displacement adjustment of the object to be carried in the vertical direction is realized. Because the bearing capacity of the electric push rod is stronger than that of a common screw rod, the electric push rod can bear objects to be loaded with larger volume and weight, and thus, the application range of the electric displacement adjusting device is enlarged; meanwhile, the electric displacement adjusting device adopting the electric push rod has higher adjusting precision, simpler structure, smaller volume and longer service life.
2) According to the electric displacement adjusting device provided by the invention, as the used electric push rod has a self-locking function, when sudden power failure occurs, the electric push rod can automatically lock the object to be carried at the position before power failure, so that the object to be carried can be prevented from being directly slid down after power failure to cause damage to the object to be carried.
3) According to the electric displacement adjusting device provided by the invention, the driving piece is used for driving the translation table to move in the horizontal direction, so that the object to be carried on the translation table is driven to move in the horizontal direction, and the displacement adjustment of the object to be carried in the horizontal direction is realized.
Drawings
Fig. 1 is a schematic structural diagram of an electric displacement adjusting device according to an embodiment of the present invention.
Detailed Description
The present invention is described in detail below with reference to examples, but the present invention is not limited to these examples.
An embodiment of the present invention provides an electric displacement adjustment device, as shown in fig. 1, including: a carrying member 11 for carrying a load; the electric push rod 12, the electric push rod 12 is connected with the bearing piece 11, and the electric push rod 12 is used for driving the bearing piece 11 to move in the vertical direction; and the controller 13 is used for controlling the electric push rod 12 to work.
The specific shape of the carrier 11 is not limited in the embodiment of the present invention, and may be, for example, a flat plate as shown in fig. 1.
The object to be carried is an object to be subjected to displacement adjustment, and for example, the object to be carried can be a cryostat. In particular, the electric displacement adjusting device can be applied to electric displacement adjustment of an ARS closed-loop liquid helium thermostat on an FLS series fluorescence spectrometer.
The electric push rod 12 is an electric actuator, the electric push rod 12 generally comprises a motor, a push rod, a control device and other mechanisms, and the push rod of the electric push rod 12 can reciprocate in a certain range of travel so as to drive the bearing piece 11 connected with the electric push rod to lift in the vertical direction.
The controller 13 is used for controlling the start and stop of the motor of the electric putter 12 to control the putter movement of the electric putter 12.
According to the electric displacement adjusting device provided by the invention, the electric push rod is used for driving the object to be carried to move, so that the displacement adjustment of the object to be carried in the vertical direction is realized. Because the bearing capacity of the electric push rod is stronger than that of a common screw rod, the electric push rod can bear objects to be loaded with larger volume and weight, and thus, the application range of the electric displacement adjusting device is enlarged; meanwhile, the electric displacement adjusting device adopting the electric push rod has higher adjusting precision, simpler structure, smaller volume and longer service life.
Further, the electric push rod 12 is a self-locking electric push rod, and the driving motor of the electric push rod 12 may be a stepping motor. Therefore, the electric push rod 12 has a self-locking function, and when the sudden power-off occurs, the electric push rod 12 can automatically lock the object to be carried at the position before the power-off, so that the object to be carried can be prevented from directly sliding down after the power-off to cause the damage of the object to be carried.
Further, referring to fig. 1, the apparatus further includes a translation stage 14 provided on the carrier 11, and a driving member that drives the translation stage 14 to move in a horizontal direction; the object to be carried is placed on the translation stage 14; the controller 13 is also used to control the operation of the driving member.
Wherein, the driving piece can be a stepping motor. According to the invention, the driving piece is used for driving the translation table 14 to move in the horizontal direction, so that the object to be carried on the translation table 14 is driven to move in the horizontal direction, and the displacement adjustment of the object to be carried in the horizontal direction is realized.
The electric displacement adjusting device provided by the invention can realize the maximum stroke of 35mm in the horizontal direction, the maximum stroke of 150mm in the vertical direction, the minimum stepping distance of 50 mu m in the horizontal direction and the vertical direction, and the dynamic load can reach 500N. The device realizes the displacement adjustment purposes of two-dimensional direction, large stroke, high bearing capacity and high precision.
In practical applications, a travel switch is generally disposed in the electric push rod 12, and the start and stop of the driving members of the electric push rod 12 and the translation stage 14 can be controlled by the travel switch to limit the horizontal displacement range and the vertical displacement range of the object to be loaded.
Referring to fig. 1, the device further comprises an upper hanging ring 15 and a lower hanging ring 16 which are oppositely arranged, wherein the lower hanging ring 16 is positioned below the upper hanging ring 15; the top of the electric push rod 12 is connected with the bottom of the lower hanging ring 16; the upper link 15 and the lower link 16 are connected by a connecting member to be clamped to a fixture.
In practice, the upper and lower suspension loops 15, 16 may be screwed together to clamp onto the spectrometer base plate.
The shape of the upper link 15 is not limited in the embodiment of the present invention.
Further, the device comprises at least one guide bar 17; the extending direction of the guide rod 17 is parallel to the push rod moving direction of the electric push rod 12; the top of the guide rod 17 is connected with the bottom of the lower hanging ring 16, and the bottom of the guide rod 17 is movably connected with the bearing piece 11; the carrier 11 is movable in a vertical direction along the guide bar 17.
The guide bar 17 may play a guiding role for the movement of the carrier 11 in the vertical direction. The embodiment of the invention does not limit the setting number of the guide rods, and in practical application, 2-4 guide rods can be set to meet the requirements.
In the embodiment of the present invention, the device may further include a controller hanging plate 18, the controller hanging plate 18 is connected to the bottom of the lower hanging ring 16, and the controller 13 is fixed on the controller hanging plate 18.
In practical application, the device further comprises a thrust connecting plate 19, and the push rod of the electric push rod 12 is connected with the thrust connecting plate 19 through a flange 20; the bottom of the carrier 11 is connected to a thrust connection plate 19. The electric push rod 12 can drive the object to be carried on the carrier 11 to move along the vertical direction through the thrust connecting plate 19.
Further, referring to fig. 1, the apparatus further includes a cylindrical drum 21 disposed on the translation stage 14, and an inner dimension of the cylindrical drum 21 is adapted to a dimension of the object to be carried; the column cylinder 21 is used for placing objects to be carried.
The columnar cylinder 21 may be a cylindrical sleeve, a prismatic sleeve, or the like, and the embodiment of the present invention is not limited thereto. The column-shaped cylinder 21 plays a limiting role on the object to be loaded placed in the column-shaped cylinder, and when the displacement of the object to be loaded is regulated, the object to be loaded does not displace relative to the column-shaped cylinder 21.
While the application has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the application, and it is intended that the application is not limited to the specific embodiments disclosed.
Claims (4)
1. A FLS series fluorescence spectrometer is characterized in that the spectrometer comprises an electric displacement adjusting device,
The bearing piece is used for bearing an object to be carried, and the object to be carried is an ARS closed-loop liquid helium thermostat;
the electric push rod comprises a motor and a push rod, the electric push rod is connected with the bearing piece, and the push rod of the electric push rod moves back and forth in a certain range of travel so as to drive the bearing piece connected with the electric push rod to lift in the vertical direction; the electric push rod is a self-locking electric push rod; the driving motor of the electric push rod is a stepping motor; a travel switch is arranged in the electric push rod;
the controller is used for controlling the starting and stopping of the motor of the electric push rod so as to control the push rod movement of the electric push rod;
The electric displacement adjusting device further comprises a translation table and a driving piece, wherein the translation table and the driving piece are arranged on the bearing piece, and the driving piece can drive the translation table to move in the horizontal direction; the thermostat is placed on the translation stage; the controller is also used for controlling the driving piece to work;
The electric displacement adjusting device further comprises an upper hanging ring and a lower hanging ring which are oppositely arranged, and the lower hanging ring is positioned below the upper hanging ring; the top of the electric push rod is connected with the bottom of the lower hanging ring; the upper hanging ring is connected with the lower hanging ring through screws so as to be clamped on a bottom plate of the spectrometer;
The electric displacement adjusting device further comprises at least one guide rod; the extending direction of the guide rod is parallel to the moving direction of the push rod of the electric push rod; the top of the guide rod is connected with the bottom of the lower hanging ring, and the bottom of the guide rod is movably connected with the bearing piece; the bearing piece can move along the guide rod in the vertical direction;
The electric displacement adjusting device further comprises a thrust connecting plate, and a push rod of the electric push rod is connected with the thrust connecting plate through a flange; the bottom of the bearing piece is connected with the thrust connecting plate, and the electric push rod drives the object to be carried on the bearing piece to move along the vertical direction through the thrust connecting plate.
2. The FLS-series fluorescence spectrometer according to claim 1, wherein the motorized displacement adjustment device further comprises a controller mount plate, the controller mount plate being connected to the bottom of the lower mount ring, the controller being secured to the controller mount plate.
3. The FLS-series fluorescence spectrometer according to claim 1, wherein the motorized displacement adjustment device further comprises a cylindrical barrel provided on the translation stage, the cylindrical barrel having an internal dimension that is compatible with the dimension of the object to be carried; the columnar cylinder is used for placing the object to be carried.
4. The FLS-series fluorescence spectrometer according to claim 1, wherein the number of guide rods is 2 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910985426.XA CN110749547B (en) | 2019-10-16 | 2019-10-16 | Electric displacement adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910985426.XA CN110749547B (en) | 2019-10-16 | 2019-10-16 | Electric displacement adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110749547A CN110749547A (en) | 2020-02-04 |
| CN110749547B true CN110749547B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910985426.XA Active CN110749547B (en) | 2019-10-16 | 2019-10-16 | Electric displacement adjusting device |
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| Country | Link |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211061402U (en) * | 2019-10-16 | 2020-07-21 | 厦门行者科创科技有限公司 | Electric displacement adjusting device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3704342A (en) * | 1970-01-22 | 1972-11-28 | Dynarad | Infrared scanning system |
| GB8607356D0 (en) * | 1986-03-25 | 1986-05-21 | Ortec Inc | Modular cryogenic detector head assembly |
| US4942134A (en) * | 1988-02-19 | 1990-07-17 | The University Of Florida | Method and apparatus for scientific analysis under low temperature vacuum conditions |
| JP2005140546A (en) * | 2003-11-04 | 2005-06-02 | Keiichiro Ogawa | Low-temperature diffuse reflection measuring apparatus, sample holder used for the same, and low-temperature diffuse reflection spectrum measuring method |
| CN100422717C (en) * | 2004-05-11 | 2008-10-01 | 深圳大学 | Optical cryostat |
| CN103852423B (en) * | 2012-11-30 | 2016-09-14 | 华东师范大学 | The three-dimensional adjustable specimen holder of a kind of profound hypothermia |
| CN205175896U (en) * | 2015-10-19 | 2016-04-20 | 广州贝拓仪器设备有限公司 | Spectrum appearance and cryostat's adjustable coupled linking ware |
| CN109051610A (en) * | 2018-07-24 | 2018-12-21 | 马勇 | A kind of logistics handler convenient for lifting |
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- 2019-10-16 CN CN201910985426.XA patent/CN110749547B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211061402U (en) * | 2019-10-16 | 2020-07-21 | 厦门行者科创科技有限公司 | Electric displacement adjusting device |
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