CN108469299B - Four-degree-of-freedom clamping device of laser vibration meter - Google Patents
Four-degree-of-freedom clamping device of laser vibration meter Download PDFInfo
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- CN108469299B CN108469299B CN201810205825.5A CN201810205825A CN108469299B CN 108469299 B CN108469299 B CN 108469299B CN 201810205825 A CN201810205825 A CN 201810205825A CN 108469299 B CN108469299 B CN 108469299B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
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Abstract
The invention discloses a four-freedom-degree clamping device of a laser vibrometer, belonging to the technical field of clamping devices, which comprises an installation bottom plate, wherein the left side and the right side of the top of the installation bottom plate are respectively provided with an electric cabinet and an air source controller, the middle part of the top of the installation bottom plate is fixedly connected with a sleeve pipe through a screw, the right side wall of the sleeve pipe is connected with two groups of clamping seats through a screw, first air cylinders are clamped on the two groups of clamping seats, an upright post is inserted into the inner cavity of the sleeve pipe, the outer wall of the upright post is sleeved with a lantern ring, the lantern ring is fixedly connected with the upright post through a bolt, the right side wall of the lantern ring is welded with a top plate, the bottom of the top plate is connected with the top of the output end of the first air cylinder through a screw, the scheme is used by matching three groups of air cylinders and, the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of clamping devices, in particular to a four-degree-of-freedom clamping device of a laser vibration meter.
Background
The laser vibration meter measures the vibration of an object by using the optical Doppler principle. The laser measurement is a non-contact measurement, has high measurement precision and large measurement dynamic range, does not influence the movement of a measured object, has high spatial resolution, is particularly suitable for the vibration measurement of objects with small volume and inconvenient installation of sensors, can eliminate the influence on the object vibration caused by the additional mass of the sensors, and is a mode for precisely measuring the object vibration.
When the laser vibration meter is used for measuring the laser vibration, the laser vibration meter needs to be fixed in order to keep the stability of the vibration meter and obtain a more accurate measurement result. In the measurement process, the position of the vibration meter is sometimes required to be adjusted so as to conveniently measure the vibration of each part of the object.
In the prior art, the fixed measurement is adopted, the installation is disassembled when the movable measurement is needed, and sometimes the object to be detected cannot be aligned once installation, so that the precision of an actual measurement result is influenced, a lot of inconvenience is caused in the use process, and the working efficiency is reduced. Meanwhile, the vibration measurement of the inclined plane object in the prior art is difficult to fix.
Disclosure of Invention
The invention aims to provide a four-degree-of-freedom clamping device for a laser vibrometer, which aims to solve the problems that in the prior art provided by the background art, measurement is carried out after fixation, the device is detached when moving is needed, and sometimes the device cannot be aligned with an object to be detected after one-time installation, so that the precision of an actual measurement result is influenced, a lot of inconvenience is caused in the use process, and the working efficiency is reduced. Meanwhile, the problem that the vibration measurement and fixation of the inclined plane object in the prior art are difficult is solved.
In order to achieve the purpose, the invention provides the following technical scheme: a four-degree-of-freedom clamping device of a laser vibrometer comprises an installation base plate, wherein the left side and the right side of the top of the installation base plate are respectively provided with an electric cabinet and a gas source controller, the middle part of the top of the installation base plate is fixedly connected with a sleeve through a screw, the right side wall of the sleeve is connected with two groups of clamping seats through a screw, a first cylinder is clamped on the two groups of clamping seats, an upright post is inserted into the inner cavity of the sleeve, the outer wall of the upright post is sleeved with a lantern ring, the lantern ring is fixedly connected with the upright post through a bolt, the right side wall of the lantern ring is welded with a top plate, the bottom of the top plate is connected with the top of the output end of the first cylinder through a screw, the upper side of the left side wall of the upright post is connected with a second cylinder through a pin shaft assembly, the left side of the bottom of the first support arm is connected with a third cylinder through a pin shaft assembly, the left end of the first support arm is connected with a second support arm through a rotating shaft, the right side wall of the second support arm is connected with the other end of the third cylinder through a pin shaft assembly, the lower side of the body of the second support arm is provided with a storage groove, the upper side of the storage groove is provided with a rotating motor, the rotating motor is connected with the second support arm through a screw, the bottom of an output shaft of the rotating motor is connected with a rotating shaft, the bottom of the rotating shaft is positioned at the lower side of the second support arm, the bottom of the rotating shaft is connected with a clamping frame through a spline keyway in a matching manner, the right side wall of the clamping frame is transversely inserted with a clamping adjusting screw, the left end of the clamping adjusting screw is connected with a clamping plate, and an air source inlet and an outlet of an, the electric control box is respectively and electrically connected with the air source controller and the rotating motor through wires.
Preferably, the upper end of the inner cavity of the sleeve is embedded with a linear bearing, and the linear bearing is sleeved with the outer wall of the upright post
Preferably, the bottom end of the upright post is connected with an anti-falling baffle, and the top of the inner cavity of the sleeve is connected with a limiting ring matched with the anti-falling baffle
Preferably, the left bottom of the clamping frame is connected with a convex plate, and the right bottom of the clamping frame is inclined
Preferably, the left side wall of the clamping plate is uniformly connected with semicircular rubber friction lugs.
Compared with the prior art, the invention has the beneficial effects that: this scheme uses through the cooperation of three group's cylinders and rotating electrical machines for the position of joint frame has the moving means of four degrees of freedom, conveniently to the position control of laser vibration meter with get put, improves work efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the air supply control of the air supply controller of the present invention.
In the figure: the device comprises an installation base plate 1, an electric cabinet 2, a gas source controller 3, a sleeve 4, a clamping seat 5, a first cylinder 6, an upright post 7, a sleeve ring 8, a top plate 9, a second cylinder 10, a first support arm 11, a third cylinder 12, a second support arm 13, a rotating motor 14, a rotating shaft 15, a clamping frame 16, a clamping adjusting screw 17 and a clamping plate 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a four-degree-of-freedom clamping device of a laser vibrometer comprises an installation base plate 1, an electric cabinet 2 and a gas controller 3 are respectively installed on the left side and the right side of the top of the installation base plate 1, a sleeve 4 is fixedly connected to the middle of the top of the installation base plate 1 through screws, two sets of clamping seats 5 are connected to the right side wall of the sleeve 4 through screws, a first cylinder 6 is clamped on the two sets of clamping seats 5, a stand column 7 is inserted into an inner cavity of the sleeve 4, a sleeve ring 8 is sleeved on the outer wall of the stand column 7, the sleeve ring 8 is fixedly connected with the stand column 7 through bolts, a top plate 9 is welded on the right side wall of the sleeve ring 8, the bottom of the top plate 9 is connected with the top of the output end of the first cylinder 6 through screws, a second cylinder 10 is connected to the upper side of the left side wall of the stand column 7 through a pin shaft assembly, the left side of the bottom of the first support arm 11 is connected with a third cylinder 12 through a pin shaft assembly, the left end of the first support arm 11 is connected with a second support arm 13 through a rotating shaft, the right side wall of the second support arm 13 is connected with the other end of the third cylinder 12 through a pin shaft assembly, the lower side of the body of the second support arm 13 is provided with a storage groove, the upper side of the storage groove is provided with a rotating motor 14, the rotating motor 14 is connected with the second support arm 13 through a screw, the bottom of the output shaft of the rotating motor 14 is connected with a rotating shaft 15, the bottom of the rotating shaft 15 is positioned at the lower side of the second support arm 13, the bottom of the rotating shaft 15 is connected with a clamping frame 16 through a spline keyway in a matching way, the right side wall of the clamping frame 16 is transversely inserted with a clamping adjusting screw rod 17, the left end of the clamping adjusting screw rod 17 is connected with a clamping plate 18, and, the electric cabinet 2 is electrically connected with the air source controller 3 and the rotating motor 14 through wires respectively.
Wherein, the embedding of sleeve pipe 4's inner chamber upper end has linear bearing, and linear bearing has cup jointed the outer wall of stand 7, and the bottom of stand 7 is connected with the anticreep baffle, and sleeve pipe 4's inner chamber top is connected with the spacing collar with anticreep baffle looks adaptation, and joint frame 16's left side bottom is connected with the flange, and joint frame 16's right side bottom is the slope form, and the left side wall of grip block 18 evenly is connected with semi-circular rubber friction lug.
The working principle is as follows: the laser vibration meter is inserted in the clamping frame 16, the right side wall of the laser vibration meter is supported on the clamping plate 18, the clamping adjusting screw 17 is screwed down, the laser vibration meter can be fixed, three groups of air source inlets and outlets of the air source controller 3 are correspondingly connected with the air source inlets and outlets of the first air cylinder 6, the second air cylinder 10 and the second air cylinder 12 through pipes respectively, an air pump and an electric control valve are mounted on the pipes, the air pump and the electric control valve are electrically connected with the electric control box 2, the electric control box 2 is used as a power distribution control end of the first air cylinder 6, the second air cylinder 10, the third air cylinder 12 and the rotating motor 14, the air source inlet and outlet of the first air cylinder 6 enable the output push rod of the first air cylinder 6 to extend or contract through an air inlet or exhaust mode, the first air cylinder 6 drives the upright post 7 to ascend or descend through the lantern ring 8 and the top plate 9 so as to highly adjust the structure at the upper part, the air source inlet and outlet of the second air cylinder 10 adjusts the, make first support arm 11 around stand 7 clockwise or anticlockwise rotation, the extension or the shrink of third cylinder 12 is adjusted through the mode of admitting air or exhausting to the air supply exit of third cylinder 12 for second support arm 13 is around first support arm 11 clockwise or anticlockwise rotation, rotating electrical machines 14 drives joint frame 16 through axis of rotation 15 and rotates, thereby makes inside laser vibrometer rotatory, through the regulation of four directions, makes the transform that laser vibrometer's position can be more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a four degree of freedom clamping device of laser vibrometer, includes mounting plate (1), its characterized in that: the electric cabinet (2) and the air source controller (3) are respectively installed on the left side and the right side of the top of the installation bottom plate (1), a sleeve (4) is fixedly connected to the middle of the top of the installation bottom plate (1) through screws, the right side wall of the sleeve (4) is connected with two groups of clamping seats (5) through screws, first air cylinders (6) are clamped on the two groups of clamping seats (5), a stand column (7) is inserted into an inner cavity of the sleeve (4), a lantern ring (8) is sleeved on the outer wall of the stand column (7), the lantern ring (8) is fixedly connected with the stand column (7) through bolts, a top plate (9) is welded on the right side wall of the lantern ring (8), the bottom of the top plate (9) is connected with the top of the output end of the first air cylinder (6) through screws, a second air cylinder (10) is connected to the upper side of the left side wall of the stand column (7), the bottom of the first support arm (11) is connected with the other end of the second cylinder (10) through a pin shaft assembly, the left side of the bottom of the first support arm (11) is connected with a third cylinder (12) through a pin shaft assembly, the left end of the first support arm (11) is connected with a second support arm (13) through a rotating shaft, the right side wall of the second support arm (13) is connected with the other end of the third cylinder (12) through a pin shaft assembly, a storage groove is formed in the lower side of the body of the second support arm (13), a rotating motor (14) is installed on the upper side of the storage groove, the rotating motor (14) is connected with the second support arm (13) through a screw, a rotating shaft (15) is connected to the bottom of an output shaft of the rotating motor (14), the bottom end of the rotating shaft (15) is located on the lower side of the second support arm (13), and the bottom of the rotating shaft (15) is, the clamping mechanism is characterized in that a clamping adjusting screw rod (17) is transversely inserted into the right side wall of the clamping frame (16), the left end of the clamping adjusting screw rod (17) is connected with a clamping plate (18), an air source inlet and outlet of the air source controller (3) are respectively connected with an air source inlet and outlet of the first air cylinder (6), the second air cylinder (10) and the third air cylinder (12), and the electric cabinet (2) is respectively and electrically connected with the air source controller (3) and the rotating motor (14) through leads.
2. The four-degree-of-freedom clamping device of the laser vibration meter according to claim 1, characterized in that: the upper end of the inner cavity of the sleeve (4) is embedded with a linear bearing, and the linear bearing is sleeved with the outer wall of the upright post (7).
3. The four-degree-of-freedom clamping device of the laser vibration meter according to claim 1, characterized in that: the bottom of stand (7) is connected with the anticreep baffle, the inner chamber top of sleeve pipe (4) is connected with the spacing collar with anticreep baffle looks adaptation.
4. The four-degree-of-freedom clamping device of the laser vibration meter according to claim 1, characterized in that: the left side bottom of joint frame (16) is connected with the flange, the right side bottom of joint frame (16) is the slope form.
5. The four-degree-of-freedom clamping device of the laser vibration meter according to claim 1, characterized in that: the left side wall of the clamping plate (18) is uniformly connected with semicircular rubber friction lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205825.5A CN108469299B (en) | 2018-03-13 | 2018-03-13 | Four-degree-of-freedom clamping device of laser vibration meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810205825.5A CN108469299B (en) | 2018-03-13 | 2018-03-13 | Four-degree-of-freedom clamping device of laser vibration meter |
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| CN108469299A CN108469299A (en) | 2018-08-31 |
| CN108469299B true CN108469299B (en) | 2020-08-21 |
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| CN201810205825.5A Active CN108469299B (en) | 2018-03-13 | 2018-03-13 | Four-degree-of-freedom clamping device of laser vibration meter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432698B (en) * | 2021-05-07 | 2023-11-10 | 宁波职业技术学院 | Position adjusting mechanism for intelligent laser vibration meter |
| CN113465720B (en) * | 2021-05-17 | 2023-11-14 | 宁波职业技术学院 | Object carrying mechanism for microscopic laser vibration meter and convenient for fixing object |
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