CN110936341A - Rotatable experiment table - Google Patents
Rotatable experiment table Download PDFInfo
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- CN110936341A CN110936341A CN201911318243.9A CN201911318243A CN110936341A CN 110936341 A CN110936341 A CN 110936341A CN 201911318243 A CN201911318243 A CN 201911318243A CN 110936341 A CN110936341 A CN 110936341A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 1
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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
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/18—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in inclination
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a rotatable experiment table which comprises a support and a table top, wherein the lower surface of the table top is hinged to the support, the table top is arranged above the support, a rotating shaft which is horizontally arranged is connected to the support, a lifting device is arranged on the rotating shaft, a connecting block is hinged to the upper portion of the lifting device and fixedly connected with the lower surface of the table top, and one end of the rotating shaft is connected with a driving device. The device is driven to be a three-phase asynchronous motor, controllable positive and negative rotation is achieved under the effect of the three-phase asynchronous motor, the rotating shaft is further rotated in a reciprocating mode in the vertical direction through the cooperation of spiral motion, the device not only enables the experiment to be more convenient to a great extent, the experiment efficiency is improved, accidental errors are greatly reduced, the experiment data are more accurate and reliable, and further more subject fields can be applied.
Description
Technical Field
The invention belongs to the technical field of laser measurement, and relates to a rotatable experiment table.
Background
At present, in the gear tooth surface shape error experiment, the oblique incidence type laser measurement is carried out by fixing an experimental device on an experimental table, using a helium-neon laser to carry out the gear tooth surface shape error measurement on the gear tooth surface of a measured object by oblique incidence, enabling a gear shaft to rotate around a Z axis to carry out the measurement experiment, reflecting light rays are reflected by a semi-reflecting semi-transparent mirror to be imaged on a CCD camera, extracting and analyzing the image of the gear tooth surface area, and further detecting the quality of the gear. However, the image information of the tooth root region in the extracted gear tooth surface region image cannot be completely presented, and the gear shaft is required to rotate for a certain angle around the X axis to extract the images of all parts of the tooth root, so that the complete tooth root region image is spliced.
Disclosure of Invention
The invention aims to provide a rotatable test bed, which solves the problem that the test bed is difficult to control when being manually rotated in the prior art.
The technical scheme adopted by the invention is that,
the utility model provides a rotatable experiment table, includes the support, lower surface and support articulated mesa, and the mesa setting is connected with the pivot that the level set up in the top of support on the support, is provided with elevating gear in the pivot, and the elevating gear top articulates there is the connecting block, and connecting block and mesa fixed surface are connected, and the one end of pivot is connected with drive arrangement.
Yet another feature of the present invention is that,
the pivot includes first pivot and second pivot, first pivot and second pivot set up respectively in the both sides of support, with support swing joint, the second end of first pivot is connected with the first end of second pivot, the first end of first pivot is connected with drive arrangement, be provided with first screw thread portion and second screw thread portion in the first pivot, be provided with third screw thread portion and fourth screw thread portion in the second pivot, the screw thread direction of first screw thread portion and fourth screw thread portion is the same, the screw thread direction of second screw thread portion and third screw thread portion is the same, the screw thread direction of first screw thread portion and second screw thread portion is opposite.
The lifting device comprises a first lifting device and a second lifting device, the first lifting device is connected with the first rotating shaft, the second lifting device is connected with the second rotating shaft, the connecting block comprises a first connecting block and a second connecting block, the first connecting block is hinged to the upper portion of the first lifting device, and the second connecting block is hinged to the upper portion of the second lifting device.
The first lifting device comprises a first movable block and a second movable block, the first movable block and the second movable block are respectively in threaded connection with a first threaded portion and a second threaded portion of the first rotating shaft, the first movable block and the second movable block are further respectively connected with a first movable rod and a second movable rod, the first end of the first movable rod is hinged to the first movable block, the first end of the second movable rod is hinged to the second movable block, and the second end of the first movable rod and the second end of the second movable rod are respectively hinged to the first connecting block.
The second lifting device comprises a third movable block and a fourth movable block, the third movable block and the fourth movable block are respectively in threaded connection with a third thread portion and a fourth thread portion of the second rotating shaft, the third movable block and the fourth movable block are further respectively connected with a third movable rod and a fourth movable rod, the first end of the third movable rod is hinged to the third movable block, the first end of the fourth movable rod is hinged to the fourth movable block, and the second end of the third movable rod and the second end of the fourth movable rod are respectively hinged to the second connecting block.
The support includes the fixing base slider, sets up the spout of vertical direction on the fixing base, and the slider agrees with the spout, and the slider passes through the spout to be connected with the fixing base, and the upper end of slider articulates there is the third connecting block, and the third connecting block is connected with the lower surface of mesa.
The fixing seat is fixedly connected with a second coupler, and two ends of the second coupler are respectively connected with the second end of the first rotating shaft and the first end of the second rotating shaft.
The driving device is a three-phase asynchronous alternating current motor, a switch a and a switch b are arranged on the driving device, and an output shaft of the driving device is connected with the first end of the first rotating shaft through a first coupler.
The first supporting plate and the second supporting plate are vertically arranged, the first supporting plate is connected with the first end of the first rotating shaft, and the second supporting plate is connected with the second end of the second rotating shaft.
The invention has the advantages that controllable forward and reverse rotation is realized under the action of the three-phase asynchronous motor, and the reciprocating rotation of the rotating shaft along the vertical direction is further realized by the matching of spiral motion.
Drawings
FIG. 1 is a schematic view of a rotatable laboratory bench according to the present invention;
FIG. 2 is a schematic view of a first elevating device mechanism of a rotatable laboratory table according to the present invention;
FIG. 3 is a schematic diagram of a second lifting mechanism of a rotatable laboratory table according to the present invention;
FIG. 4 is a schematic view of a rotatable laboratory bench support structure according to the present invention.
In the figure, 1, a driving device, 2, a first rotating shaft, 2-1, a first threaded part, 2-2, a second threaded part, 3, a support, 3-1, a fixed seat, 3-2, a sliding block, 4, a second rotating shaft, 4-1, a third threaded part, 4-2, a fourth threaded part, 5, a first lifting device, 5-1, a first movable block, 5-2, a second movable block, 5-3, a first movable rod, 5-4, a second movable rod, 6, a second lifting device, 7, a first connecting block, 8, a second connecting block, 9, a table board and 10, and a third connecting block.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the invention provides a rotatable experiment table, which comprises a support 3, a table top 9, the lower surface of which is hinged to the support 3, wherein the table top 9 is arranged above the support 3, a first rotating shaft 2 and a second rotating shaft 4 which are horizontally arranged are connected to two sides of the support 3, the first rotating shaft 2 and the second rotating shaft 4 are movably connected to the support 3, the second end of the first rotating shaft 2 is connected to the first end of the second rotating shaft 4, the first end of the first rotating shaft 2 is connected to a driving device 1, and the output shaft of the driving device 1 is connected to the first end of the first rotating shaft 2 through a first coupler.
The first rotating shaft 2 is provided with a first thread part 2-1 and a second thread part 2-2, the second rotating shaft 4 is provided with a third thread part 4-1 and a fourth thread part 4-2, the thread direction of the first thread part 2-1 is the same as that of the fourth thread part 4-1, the thread direction of the second thread part 2-2 is the same as that of the third thread part 4-1, and the thread direction of the first thread part 2-1 is opposite to that of the second thread part 2-2.
The first rotating shaft 2 is connected with a first lifting device 5, a first connecting block 7 is hinged above the first lifting device 5, the second rotating shaft 4 is connected with a second lifting device 6, and a second connecting block 8 is hinged above the second lifting device 6.
As shown in fig. 2, the first lifting device 5 includes a first movable block 5-1 and a second movable block 5-2, the first movable block 5-1 and the second movable block 5-2 are respectively in threaded connection with a first threaded portion 2-1 and a second threaded portion 2-2 of the first rotating shaft 2, the first movable block 5-1 and the second movable block 5-2 are further respectively connected with a first movable rod 5-3 and a second movable rod 5-4, a first end of the first movable rod 5-3 is hinged to the first movable block 5-1, a first end of the second movable rod 5-4 is hinged to the second movable block 5-2, and a second end of the first movable rod 5-3 and a second end of the second movable rod 5-4 are respectively hinged to the first connecting block 7.
As shown in fig. 3, the second lifting device 6 includes a third movable block 6-1 and a fourth movable block 6-2, the third movable block 6-1 and the fourth movable block 6-2 are respectively in threaded connection with a third threaded portion 4-1 and a fourth threaded portion 4-2 of the second rotating shaft 4, the third movable block 6-1 and the fourth movable block 6-2 are further respectively connected with a third movable rod 6-3 and a fourth movable rod 6-4, a first end of the third movable rod 6-3 is hinged to the third movable block 6-1, a first end of the fourth movable rod 6-4 is hinged to the fourth movable block 6-2, and a second end of the third movable rod 6-3 and a second end of the fourth movable rod 6-4 are respectively hinged to the second connecting block 8.
As shown in fig. 4, the bracket 3 includes a fixed seat 3-1, a sliding block 3-2, a sliding groove is formed in the fixed seat 3-1 in the vertical direction, the sliding block 3-2 is engaged with the sliding groove, the sliding block 3-2 is connected with the fixed seat 3-1 through the sliding groove, a second coupler is fixedly connected to the fixed seat 3-1, and two ends of the second coupler are respectively connected with the second end of the first rotating shaft 2 and the first end of the second rotating shaft 4.
As shown in figure 1, the upper end of the sliding block 3-2 is hinged with a third connecting block 10, and the third connecting block 10 is connected with the lower surface of the table top 9.
The driving device 1 is a three-phase asynchronous alternating current motor, the driving device 1 is provided with a switch a1-1 and a switch b1-2,
as shown in fig. 1, the present invention further includes a first support plate and a second support plate vertically disposed, the first support plate being connected to a first end of the first rotating shaft 2, and the second support plate being connected to a second end of the second rotating shaft 4.
In the use process of the rotatable experiment table, because the rotation speed required by the experiment is very low, before the rotatable experiment table is used, the switch a1-1 is firstly switched on to enable the driving device 1 to rotate reversely, the driving device 1 is adjusted to the lowest speed, the motor drives the first rotating shaft 2 and the second rotating shaft 4 which are connected by the second coupling to rotate coaxially through the first coupling, and meanwhile, due to the load effect of an experiment device on the table top 9, primary spiral transmission is realized, so that the first movable block 5-1 and the second movable block 5-2 on the first rotating shaft 2 move oppositely, and the third movable block 6-1 and the fourth movable block 6-2 on the second rotating shaft 4 move oppositely. The two-stage connecting rod is driven to transmit while the spiral motion is carried out, so that the angle between a first movable rod 5-3 and a second movable rod 5-4 driven by a first movable block 5-1 and a second movable block 5-2 on the first rotating shaft 2 is reduced, the upper ends of the first movable rod 5-3 and the second movable rod 5-4 are slowly lifted, meanwhile, the angle between a third movable rod 6-3 and a fourth movable rod 6-4 driven by a third movable block 6-1 and a fourth movable block 6-2 on the second rotating shaft 4 is increased, and the upper ends of the third movable rod 6-3 and the fourth movable rod 6-4 are slowly lowered. The table board 9 rotates in the vertical direction by taking the axis of the third connecting block 10 as a rotating shaft, and when the table board rotates to the angle required by the experiment, the switch a1-1 is immediately turned off to stop the reverse rotation of the driving device 1. (because the required motor speed of the experiment is very low, so can realize stopping immediately.) next carry on the oblique entering laser and measure the gear flank regional shape error a series of processes, when one experimental data record and experiment finish, need the repeated experiment to verify the generality, get rid of the particularity. At the moment, the switch b1-2 is pressed down to enable the driving device 1 to rotate forwards, the motor drives the first rotating shaft 2 and the second rotating shaft 4 which are connected through the second coupler to rotate coaxially through the first coupler, meanwhile, one-level spiral transmission is achieved due to the load effect of an experimental device on the table board 9, the first movable block 5-1 and the second movable block 5-2 on the first rotating shaft 2 move back to back, and meanwhile, the third movable block 6-1 and the fourth movable block 6-2 on the second rotating shaft 4 move oppositely. The spiral motion drives the two-stage connecting rod to transmit, so that the angle between the connecting rods driven by the first movable block 5-1 and the second movable block 5-2 on the first rotating shaft 2 is increased, the upper ends of the first movable block 5-1 and the second movable block 5-2 are slowly lowered, the angle between the connecting rods driven by the third movable block 6-1 and the fourth movable block 6-2 on the second rotating shaft 4 is reduced, and the upper ends of the third movable rod 6-3 and the fourth movable rod 6-4 are slowly raised. The table 9 rotates in the vertical direction with the axis of the third connecting block 10 as the rotating shaft, and when the table rotates to the angle required by the experiment, the switch b1-2 is immediately turned off to stop the forward rotation of the driving device 1. When the table board 9 rotates to the horizontal position, the switch a1-1 is turned on again to enable the driving device 1 to rotate reversely, and when the table board 9 rotates to the angle required by the experiment, the experiment data are collected again. After the experimental data are repeatedly verified for a plurality of times, a reliable group of experimental data can be obtained. And performing multi-angle and multi-time experiments on the basis, and finally obtaining multiple groups of reliable data, namely obtaining images of all parts of the tooth root, splicing the images to obtain complete image information of the tooth root.
Claims (9)
1. The utility model provides a rotatable experiment table, its characterized in that includes support (3), lower surface and support (3) articulated mesa (9), mesa (9) set up the top at support (3), be connected with the pivot that the level set up on support (3), be provided with elevating gear in the pivot, elevating gear top articulates there is the connecting block, connecting block and mesa (9) fixed surface are connected, the one end of pivot is connected with drive arrangement (1).
2. A rotatable experiment table according to claim 1, wherein the rotating shafts comprise a first rotating shaft (2) and a second rotating shaft (4), the first rotating shaft (2) and the second rotating shaft (4) are respectively arranged at two sides of the bracket (3) and movably connected with the bracket (3), the second end of the first rotating shaft (2) is connected with the first end of the second rotating shaft (4), the first end of the first rotating shaft (2) is connected with the driving device (1), the first rotating shaft (2) is provided with a first threaded part (2-1) and a second threaded part (2-2), the second rotating shaft (4) is provided with a third threaded part (4-1) and a fourth threaded part (4-2), the thread directions of the first threaded part (2-1) and the fourth threaded part (4-1) are the same, and the thread directions of the second threaded part (2-2) and the third threaded part (4-1) are the same, the first thread part (2-1) and the second thread part (2-2) are opposite in thread direction.
3. A rotatable laboratory table according to claim 2, wherein said lifting means comprises a first lifting means (5) and a second lifting means (6), said first lifting means (5) is connected with said first rotation shaft (2), said second lifting means (6) is connected with said second rotation shaft (4), said connecting block comprises a first connecting block (7) and a second connecting block (8), said first connecting block (7) is hinged above said first lifting means (5), said second connecting block (8) is hinged above said second lifting means (6).
4. A rotatable laboratory table according to claim 3, wherein said first lifting device (5) comprises a first movable block (5-1) and a second movable block (5-2), said first movable block (5-1) and said second movable block (5-2) are respectively connected with the first threaded portion (2-1) and said second threaded portion (2-2) of said first rotating shaft (2) by screw threads, said first movable block (5-1) and said second movable block (5-2) are respectively connected with a first movable rod (5-3) and a second movable rod (5-4), said first movable rod (5-3) has a first end hinged with said first movable block (5-1), said second movable rod (5-4) has a first end hinged with said second movable block (5-2), the second end of the first movable rod (5-3) and the second end of the second movable rod (5-4) are hinged to the first connecting block (7) respectively.
5. A rotatable laboratory table according to claim 3, wherein the second lifting device (6) comprises a third movable block (6-1) and a fourth movable block (6-2), the third movable block (6-1) and the fourth movable block (6-2) are respectively in threaded connection with a third threaded portion (4-1) and a fourth threaded portion (4-2) of the second rotating shaft (4), the third movable block (6-1) and the fourth movable block (6-2) are respectively connected with a third movable rod (6-3) and a fourth movable rod (6-4), the first end of the third movable rod (6-3) is hinged with the third movable block (6-1), the first end of the fourth movable rod (6-4) is hinged with the fourth movable block (6-2), the second end of the third movable rod (6-3) and the second end of the fourth movable rod (6-4) are hinged to the second connecting block (8) respectively.
6. A rotatable experiment table according to any one of claims 1 to 5, wherein the support (3) comprises a fixed seat (3-1) and a sliding block (3-2), the fixed seat (3-1) is provided with a sliding groove in the vertical direction, the sliding block (3-2) is matched with the sliding groove, the sliding block (3-2) is connected with the fixed seat (3-1) through the sliding groove, the upper end of the sliding block (3-2) is hinged with a third connecting block (10), and the third connecting block (10) is connected with the lower surface of the table top (9).
7. A rotatable laboratory table according to claim 6, characterized in that, a second coupling is further fixedly connected to the fixed seat (3-1), and two ends of the second coupling are respectively connected to the second end of the first rotating shaft (2) and the first end of the second rotating shaft (4).
8. A rotatable laboratory table according to claim 6, characterized in that, the driving device (1) is a three-phase asynchronous AC motor, the driving device (1) is provided with a switch a (1-1) and a switch b (1-2), and the output shaft of the driving device (1) is connected with the first end of the first rotating shaft (2) through a first coupling.
9. A rotatable laboratory table according to claim 6, characterized in that, further comprises a first support plate and a second support plate which are vertically arranged, the first support plate is connected with the first end of the first rotating shaft (2), and the second support plate is connected with the second end of the second rotating shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911318243.9A CN110936341A (en) | 2019-12-19 | 2019-12-19 | Rotatable experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911318243.9A CN110936341A (en) | 2019-12-19 | 2019-12-19 | Rotatable experiment table |
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| Publication Number | Publication Date |
|---|---|
| CN110936341A true CN110936341A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911318243.9A Pending CN110936341A (en) | 2019-12-19 | 2019-12-19 | Rotatable experiment table |
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| CN (1) | CN110936341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536898A (en) * | 2020-04-21 | 2020-08-14 | 西安工程大学 | Rotatable laboratory bench of laser interference |
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| EP0501254A2 (en) * | 1991-02-28 | 1992-09-02 | Stamm, Johann | Scissor type lifting table |
| JP3128777U (en) * | 2006-11-06 | 2007-01-25 | テクノコート株式会社 | Tilt mounting table |
| CN201431589Y (en) * | 2008-12-04 | 2010-03-31 | 陈利忠 | Mechanism with table top tilting leftward and rightward |
| KR20110074090A (en) * | 2009-12-24 | 2011-06-30 | 주식회사 화인테크엔지니어링 | Working table |
| CN206028003U (en) * | 2016-08-16 | 2017-03-22 | 四川拓普汽车部件有限公司 | Desktop inclines spouting of adjustable inclination and glues table |
| CN207736254U (en) * | 2017-12-15 | 2018-08-17 | 广州弘彩印刷有限公司 | A kind of adhesive sticker finished product detection platform |
| CN109024524A (en) * | 2018-08-02 | 2018-12-18 | 黄建青 | A kind of marine engineering platform |
| CN208483528U (en) * | 2018-07-19 | 2019-02-12 | 深圳市荣士海精密工业有限公司 | Clamping and fixing device is used in a kind of processing of handware |
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2019
- 2019-12-19 CN CN201911318243.9A patent/CN110936341A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0501254A2 (en) * | 1991-02-28 | 1992-09-02 | Stamm, Johann | Scissor type lifting table |
| JP3128777U (en) * | 2006-11-06 | 2007-01-25 | テクノコート株式会社 | Tilt mounting table |
| CN201431589Y (en) * | 2008-12-04 | 2010-03-31 | 陈利忠 | Mechanism with table top tilting leftward and rightward |
| KR20110074090A (en) * | 2009-12-24 | 2011-06-30 | 주식회사 화인테크엔지니어링 | Working table |
| CN206028003U (en) * | 2016-08-16 | 2017-03-22 | 四川拓普汽车部件有限公司 | Desktop inclines spouting of adjustable inclination and glues table |
| CN207736254U (en) * | 2017-12-15 | 2018-08-17 | 广州弘彩印刷有限公司 | A kind of adhesive sticker finished product detection platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536898A (en) * | 2020-04-21 | 2020-08-14 | 西安工程大学 | Rotatable laboratory bench of laser interference |
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