CN113776887A - Double-drive high-frequency micro-vibration sediment sampling device - Google Patents
Double-drive high-frequency micro-vibration sediment sampling device Download PDFInfo
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- CN113776887A CN113776887A CN202111122797.9A CN202111122797A CN113776887A CN 113776887 A CN113776887 A CN 113776887A CN 202111122797 A CN202111122797 A CN 202111122797A CN 113776887 A CN113776887 A CN 113776887A
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- 238000005070 sampling Methods 0.000 title claims abstract description 87
- 239000013049 sediment Substances 0.000 title claims abstract description 38
- 230000002441 reversible effect Effects 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 230000007547 defect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
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Abstract
The invention relates to a double-drive high-frequency micro-vibration sediment sampling device, wherein a vibration mechanism is arranged in a main case of a main mechanism of the device, a sampling return-preventing mechanism is arranged at the bottom of a sampling tube, the vibration mechanism comprises at least one pair of double-shaft motors and a pair of eccentric wheel sets arranged on output shafts at two ends of the double-shaft motors, and the vibration mechanism also comprises a controller for controlling the operation of the double-shaft motors and a power supply mechanism for supplying power to the double-shaft motors and the controller; the double-shaft motor comprises a forward servo motor and a reverse servo motor which are symmetrically arranged, and eccentric wheel groups fixed at two ends of the forward servo motor and eccentric wheel groups fixed on the reverse servo motor are positioned on the same plane. This two high frequency micro-vibration sediment sampling device that drive has reduced the invalid consumption loss that gear train and transmission shaft brought among the complicated transmission structure, effectively alleviates vibration mechanism and stops the multidirectional vibration of stage and normal operating stage, is showing simultaneously and has promoted sampling efficiency and sample quality.
Description
Technical Field
The invention relates to the field of marine instrument equipment industry, in particular to a double-drive high-frequency micro-vibration sediment sampling device.
Background
The vibration type sediment collector is sample collection equipment widely applied to marine environment research and sampling work, a high-frequency vibration mechanism of the conventional vibration type sediment collector generally has the defect of uncertain vibration direction, and the vibration mechanism has a multidirectional vibration trend during operation, so that the longitudinal feeding efficiency of the vibration type sediment collector during operation is lower. The Chinese invention patent CN 111624020A discloses a sediment sampling device with unidirectional high-frequency micro-vibration, which adopts a mode that a plurality of eccentric wheels synchronously and reversely rotate and eliminates multidirectional vibration in the horizontal direction by reverse centrifugal force.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defect that a vibration mechanism assembled by the prior vibration type sediment collector has a multidirectional vibration trend during operation, meanwhile, the defects of driving force loss and strong interference multidirectional vibration in the start-stop stage caused by the complicated transmission structure of the unidirectional high-frequency micro-vibration sediment sampling device are overcome, a double-drive high-frequency micro-vibration sediment sampling device is provided, the device realizes the effects of no horizontal impulse of high-frequency vibration and reinforced longitudinal vibration impulse, reduces the invalid power loss caused by a gear set and a transmission shaft in a complex transmission structure, ensures that the eccentric wheel rotates at the start-stop stage and the subsequent stable rotation speed to run at the same frequency more accurately and synchronously, effectively lightens the multidirectional vibration of the vibration mechanism at the start-stop stage and the normal operation stage, meanwhile, the anti-return structure of the sampling mechanism is improved, so that the sampling efficiency and the sampling quality are obviously improved. .
The double-drive high-frequency micro-vibration sediment sampling device comprises a main structure, wherein the main structure comprises a hanging ring, a mounting disc, a main case, a one-way valve connector and a sampling tube from top to bottom in sequence; the vibration mechanism comprises at least one pair of double-shaft motors and a pair of eccentric wheel sets arranged on output shafts at two ends of the double-shaft motors, and further comprises a controller for controlling the double-shaft motors to operate and a power supply mechanism for supplying power to the double-shaft motors and the controller; the double-shaft motor comprises a forward servo motor and a reverse servo motor which are symmetrically arranged, and an eccentric wheel set fixed at two ends of the forward servo motor and an eccentric wheel set fixed on the reverse servo motor are positioned on the same plane; the eccentric wheel set comprises a main wheel and a counterweight wheel, the main wheel is respectively and fixedly connected to output shafts of the forward servo motor and the reverse servo motor, and the counterweight wheel is fixedly connected to the main wheel; the controller comprises a PLC programmable controller; the output end of the PLC is respectively connected with the servo controllers of the forward servo motor and the reverse servo motor and is used for controlling the eccentric wheel set connected with the output shafts of the forward servo motor and the reverse servo motor to rotate reversely and synchronously; the sampling anti-return mechanism comprises an anti-return cover arranged at the bottom of the sampling tube and a pushing and ejecting expansion head tube movably sleeved in the anti-return cover, the anti-return cover comprises a cover edge fixedly connected with the bottom of the sampling tube and a plurality of arc-shaped metal cover sheets circumferentially fixed on the cover edge, and the top ends of the metal cover sheets are converged to jointly form a spherical cover shell. So design, just, reversal servo motor drive eccentric wheelset does the synchronous rotation in-process of reversal: when the eccentric wheel set consisting of the main wheels and the balance wheels on the two motors rotates to the horizontal direction, the positions are coplanar, collinear and oppositely separated, the provided horizontal centrifugal forces in opposite directions are mutually offset, and the provided longitudinal centrifugal forces in the same directions are mutually superposed when the eccentric wheel set rotates to the longitudinal direction, so that the technical effects that the high-frequency vibration of the sampling device has no horizontal impulse and the longitudinal vibration impulse is enhanced are realized; the output of the forward and reverse servo motors is directly connected with the eccentric wheel set, so that the invalid power loss caused by the complex gear set and the transmission shaft of the traditional driving mechanism is reduced, the position of the vibration mechanism is arranged, the PLC is matched with the feedback type driving control of the servo motors, the two eccentric wheels are enabled to run at the same frequency in a more accurate synchronous mode of the rotating speed of the start-stop stage and the subsequent stable rotating speed, and the multidirectional vibration of the vibration mechanism in the start-stop stage and the normal operation stage is effectively reduced. In the sampling process, the upper end of the ejection expansion head pipe is clamped into each metal cover sheet of the anti-return cover to prop open the spherical cover shell, the expansion head part of the ejection expansion head pipe moves upwards when moving downwards along with the up-and-down movement of the vibration mechanism and the sampling pipe, the upper edge of the ejection expansion head pipe pushes upwards each metal cover sheet of the anti-return cover, and the spherical cover shell is further propped open to take in a sample; when the sampling tube goes upward and leaves the bottom, the upper edge of the expansion head tube is pushed to be separated from the metal cover sheet, and the metal cover sheet is reset to form a spherical housing again under the condition that a sample in the sampling tube is pressed downwards, so that the sample is prevented from flowing back downwards out of the sampling tube, and the sampling efficiency and the sampling quality are further improved.
The sampling anti-return mechanism moves up and down along with the vibration mechanism and the sampling tube, pushes the expansion head part of the expansion head tube to touch the bottom and go up when going down, pushes each metal cover sheet of the anti-return cover upwards at the expansion head part, and struts the spherical cover shell to take in a sample; when the sampling tube goes upward and leaves the bottom, the ejection expansion head tube falls, the upper edge of the ejection expansion head tube is separated from the metal cover sheet, and the metal cover sheet resets under the condition that the sample in the sampling tube is pressed downwards to form a spherical housing again, so that the sample is prevented from flowing back out of the sampling tube downwards, and the sampling efficiency and the sampling quality are further improved.
In order to avoid the condition of circuit backflow, the power supply mechanism comprises a power supply converter and a backflow prevention diode, and the positive output end of the power supply converter is connected with the output shaft of the forward rotation servo motor and the reverse rotation servo motor through the backflow prevention diode. In practical application, the power supply mechanism can generate circuit backflow in a power supply loop, so that a diode is added at the output end of the power supply anode after power supply conversion, and the effect of backflow prevention is achieved.
In order to realize the symmetrical arrangement of parts in the shell of the vibration mechanism and further enhance the balance performance of the vibration mechanism under various working conditions of overall static state and dynamic state, a T-shaped frame is arranged in the main machine shell, and the forward rotation servo motor and the reverse rotation servo motor are symmetrically arranged on the T-shaped frame.
As another shell arrangement form of the vibration mechanism, a rectangular frame type frame is arranged in the main machine shell, the number of the positive rotation servo motors and the number of the negative rotation servo motors are two, and the two groups of positive rotation servo motors and the two groups of negative rotation servo motors are symmetrically arranged on the rectangular frame type frame.
The invention relates to a double-drive high-frequency micro-vibration sediment sampling device, which overcomes the defect that a vibration mechanism assembled by the existing vibration type sediment collector has a multidirectional vibration trend during operation, simultaneously overcomes the defects of driving force loss and strong interference multidirectional vibration in the start-stop stage caused by the complex transmission structure of the sediment sampling device with unidirectional high-frequency micro-vibration, the device realizes the effects of no horizontal impulse of high-frequency vibration and reinforced longitudinal vibration impulse, reduces the invalid power loss caused by a gear set and a transmission shaft in a complex transmission structure, ensures that the eccentric wheel rotates at the start-stop stage and the subsequent stable rotation speed to run at the same frequency more accurately and synchronously, effectively lightens the multidirectional vibration of the vibration mechanism at the start-stop stage and the normal operation stage, meanwhile, the anti-return structure of the sampling mechanism is improved, so that the sampling efficiency and the sampling quality are obviously improved.
Drawings
The invention is further explained by the double-drive high-frequency micro-vibration sediment sampling device with the following drawings:
FIG. 1 is a schematic structural diagram of a main plane of the double-drive high-frequency micro-vibration sediment sampling device;
FIG. 2 is a schematic side plan view of the dual-drive high-frequency micro-vibration sediment sampling device;
FIG. 3 is a schematic structural diagram of a front view of a vibrating mechanism according to embodiment 1 of the dual-drive high-frequency micro-vibration sediment sampling device;
FIG. 4 is a schematic side plan view of the vibrating mechanism of embodiment 1 of the dual-drive high-frequency micro-vibrating sediment sampling device;
FIG. 5 is a schematic top plan view of the vibrating mechanism of embodiment 1 of the dual drive high frequency micro-vibrating sediment sampling device;
FIG. 6 is a schematic structural diagram of a front view of a vibrating mechanism according to embodiment 2 of the dual-drive high-frequency micro-vibration sediment sampling device;
FIG. 7 is a schematic side plan view of the vibrating mechanism of embodiment 2 of the dual drive high frequency micro-vibrating sediment sampling device;
FIG. 8 is a schematic top plan view of the vibrating mechanism of embodiment 2 of the dual drive high frequency micro-vibrating sediment sampling device;
FIG. 9 is a wire frame diagram of the logical connection architecture of the controller and power supply mechanism of embodiment 3 of the dual drive high frequency micro vibration sediment sampling device;
FIG. 10 is a schematic structural diagram of the synchronous reverse process of the eccentric wheel set (sequentially downward in the same direction, opposite in the opposite direction, upward in the same direction, and opposite in the opposite direction) of the dual-drive high-frequency micro-vibration sediment sampling device.
In the figure:
1-a main body structure, 2-a vibration mechanism, 3-a sampling return-preventing mechanism, 4-a controller and 5-a power supply mechanism;
11-a lifting ring, 12-an installation disc, 13-a main case, 14-a one-way valve connector and 15-a sampling tube; 21-a double-shaft motor and 22-an eccentric wheel set; 31-anti-return cover, 32-pushing expansion head pipe; 51-power converter, 52-anti-reflux diode;
131-T-shaped frame, 132-rectangular frame; 211-a forward rotation servo motor, 212-a reverse rotation servo motor, 221-a main wheel and 222-a counterweight wheel; 311-cover rim, 312-metal cover sheet.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
The technical solution of the present invention is further described by the following specific examples, but the scope of the present invention is not limited to the following examples.
Embodiment 1: as shown in fig. 1 to 8, the double-drive high-frequency micro-vibration sediment sampling device comprises a main body structure 1, wherein the main body structure 1 comprises a hanging ring 11, a mounting disc 12, a main case 13, a one-way valve connector 14 and a sampling tube 15 from top to bottom; the main case 13 is internally provided with a vibration mechanism 2, the bottom of the sampling tube 15 is provided with a sampling return-preventing mechanism 3, wherein the vibration mechanism 2 comprises at least one pair of double-shaft motors 21 and a pair of eccentric wheel sets 22 arranged on output shafts at two ends of the double-shaft motors 21, the vibration mechanism 2 further comprises a controller 4 for controlling the operation of the double-shaft motors 21 and a power supply mechanism 5 for supplying power to the double-shaft motors 21 and the controller 4; the double-shaft motor 21 comprises a forward servo motor 211 and a reverse servo motor 212 which are symmetrically arranged, and the eccentric wheel sets 21 fixed at two ends of the forward servo motor 211 and the eccentric wheel sets 22 fixed on the reverse servo motor 212 are positioned on the same plane; the eccentric wheel set 22 comprises a main wheel 221 and a counterweight wheel 222, the main wheel 221 is respectively and fixedly connected to the output shafts of the forward servo motor 211 and the reverse servo motor 212, and the counterweight wheel 222 is fixedly connected to the main wheel 221; the controller 4 comprises a PLC programmable controller; the output end of the PLC is respectively connected with the servo controllers of the forward servo motor 211 and the reverse servo motor 212 and is used for controlling the eccentric wheel set 22 connected with the output shafts of the forward servo motor 211 and the reverse servo motor 212 to rotate reversely and synchronously; the sampling anti-return mechanism 3 comprises an anti-return cover 31 arranged at the bottom of the sampling tube 15 and a pushing and ejecting expansion head tube 32 movably sleeved in the anti-return cover 31, the anti-return cover 31 comprises a cover edge 311 fixedly connected with the bottom of the sampling tube 15 and a plurality of arc-shaped metal cover sheets 322 fixed on the cover edge 311 in the circumferential direction, and the top ends of the metal cover sheets 322 are converged to form a spherical cover casing together.
Embodiment 2: as shown in fig. 3 to 5, a T-shaped frame 131 is arranged in the main housing 13 of the dual-drive high-frequency micro-vibration sediment sampling device, and the forward rotation servo motor 211 and the reverse rotation servo motor 212 are symmetrically installed on the T-shaped frame 131. The vibration mechanism is used for realizing the symmetrical arrangement of the parts in the shell of the vibration mechanism so as to enhance the balance performance of the whole vibration mechanism under various working conditions of static state and dynamic state. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 3: as shown in fig. 6 to 8, a rectangular frame type frame 132 is arranged in the main housing 13 of the dual-drive high-frequency micro-vibration sediment sampling device, two sets of forward servo motors 211 and reverse servo motors 212 are provided, and the two sets of forward servo motors 211 and reverse servo motors 212 are symmetrically mounted on the rectangular frame type frame 132. The balance performance of the vibration mechanism under various working conditions of overall static and dynamic states is further enhanced. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 4: as shown in fig. 9, the power supply mechanism 5 of the dual-drive high-frequency micro-vibration sediment sampling device includes a power supply converter 51 and a backflow prevention diode 52, and the positive output end of the power supply converter 51 is connected with the output shaft of the forward servo motor 211 and the reverse servo motor 222 through the backflow prevention diode 52. The power supply mechanism is used for avoiding the circuit backflow situation, and in practical application, the power supply mechanism can generate the circuit backflow situation in a power supply loop, so that a diode is added at the output end of a power supply anode after power supply conversion, and the effect of backflow prevention is achieved. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
And (3) running: as shown in fig. 10, during the forward and reverse rotation servo motors driving the eccentric wheel set to perform reverse synchronous rotation: when the eccentric wheel set consisting of the main wheels and the balance wheels on the two motors rotates to the horizontal direction, the positions are coplanar, collinear and oppositely separated, the provided horizontal centrifugal forces in opposite directions are mutually offset, and the provided longitudinal centrifugal forces in the same directions are mutually superposed when the eccentric wheel set rotates to the longitudinal direction, so that the technical effects that the high-frequency vibration of the sampling device has no horizontal impulse and the longitudinal vibration impulse is enhanced are realized; the output of the forward and reverse servo motors is directly connected with the eccentric wheel set, so that the invalid power loss caused by the complex gear set and the transmission shaft of the traditional driving mechanism is reduced, the position of the vibration mechanism is arranged, the PLC is matched with the feedback type driving control of the servo motors, the two eccentric wheels are enabled to run at the same frequency in a more accurate synchronous mode of the rotating speed of the start-stop stage and the subsequent stable rotating speed, and the multidirectional vibration of the vibration mechanism in the start-stop stage and the normal operation stage is effectively reduced. In the sampling process, the upper end of the ejection expansion head pipe is clamped into each metal cover sheet of the anti-return cover to prop open the spherical cover shell, the expansion head part of the ejection expansion head pipe moves upwards when moving downwards along with the up-and-down movement of the vibration mechanism and the sampling pipe, the upper edge of the ejection expansion head pipe pushes upwards each metal cover sheet of the anti-return cover, and the spherical cover shell is further propped open to take in a sample; when the sampling tube goes upward and leaves the bottom, the upper edge of the expansion head tube is pushed to be separated from the metal cover sheet, and the metal cover sheet is reset to form a spherical housing again under the condition that a sample in the sampling tube is pressed downwards, so that the sample is prevented from flowing back downwards out of the sampling tube, and the sampling efficiency and the sampling quality are further improved.
The double-drive high-frequency micro-vibration sediment sampling device overcomes the defect that a vibration mechanism assembled by the existing vibration type sediment collector has a multidirectional vibration trend during operation, overcomes the defects of driving force loss caused by the complex transmission structure of the sediment sampling device with unidirectional high-frequency micro vibration and strong interference multidirectional vibration in the start-stop stage, reduces the invalid power loss caused by a gear set and a transmission shaft in a complex transmission structure while realizing the effects of no horizontal impulse and strengthened longitudinal vibration impulse, enables the eccentric wheel to run at the same frequency with more accurate synchronization of the rotating speed and the subsequent stable rotating speed in the start-stop stage, effectively reduces the multidirectional vibration of the vibration mechanism in the start-stop stage and the normal operation stage, and obviously improves the sampling efficiency and the sampling quality by reconstructing the return prevention structure of the sampling mechanism.
The foregoing description illustrates the principal features, rationale, and advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A kind of double-driving high-frequency micro-vibration sediment sampling device, its characteristic is: the sampling device comprises a main body structure (1), wherein the main body structure (1) sequentially comprises a hanging ring (11), a mounting disc (12), a main case (13), a one-way valve connector (14) and a sampling tube (15) from top to bottom; a vibration mechanism (2) is arranged in the main case (13), a sampling return-preventing mechanism (3) is arranged at the bottom of the sampling tube (15), wherein,
the vibration mechanism (2) comprises at least one pair of double-shaft motors (21) and a pair of eccentric wheel sets (22) arranged on output shafts at two ends of each double-shaft motor (21), and the vibration mechanism (2) further comprises a controller (4) used for controlling the double-shaft motors (21) to operate and a power supply mechanism (5) used for supplying power to the double-shaft motors (21) and the controller (4); the double-shaft motor (21) comprises a forward rotation servo motor (211) and a reverse rotation servo motor (212) which are symmetrically arranged, and the eccentric wheel sets (21) fixed at two ends of the forward rotation servo motor (211) and the eccentric wheel sets (22) fixed on the reverse rotation servo motor (212) are positioned on the same plane; the eccentric wheel set (22) comprises a main wheel (221) and a counterweight wheel (222), the main wheel (221) is fixedly connected to output shafts of the forward rotation servo motor (211) and the reverse rotation servo motor (212) respectively, and the counterweight wheel (222) is fixedly connected to the main wheel (221); the controller (4) comprises a PLC programmable controller; the output end of the PLC is respectively connected with the servo controllers of the forward rotation servo motor (211) and the reverse rotation servo motor (212) and is used for controlling the eccentric wheel set (22) connected with the output shafts of the forward rotation servo motor (211) and the reverse rotation servo motor (212) to rotate reversely and synchronously; the sampling anti-return mechanism (3) comprises an anti-return cover (31) arranged at the bottom of the sampling tube (15) and a pushing and expanding head tube (32) movably sleeved in the anti-return cover (31), the anti-return cover (31) comprises a cover edge (311) fixedly connected with the bottom of the sampling tube (15) and a plurality of arc-shaped metal cover sheets (322) circumferentially fixed on the cover edge (311), and the top ends of the metal cover sheets (322) are converged to jointly form a spherical cover shell.
2. The dual drive high frequency micro-oscillating sediment sampling device of claim 1, further comprising: the power supply mechanism (5) comprises a power supply converter (51) and a backflow prevention diode (52), and the positive output end of the power supply converter (51) is connected with the output shaft of the forward rotation servo motor (211) and the reverse rotation servo motor (212) through the backflow prevention diode (52).
3. The dual drive high frequency micro-oscillating sediment sampling device of claim 2, further comprising: a T-shaped frame (131) is arranged in the main case (13), and the forward rotation servo motor (211) and the reverse rotation servo motor (212) are symmetrically arranged on the T-shaped frame (131).
4. The dual drive high frequency micro-oscillating sediment sampling device of claim 2, further comprising: the improved multifunctional computer is characterized in that a rectangular frame type frame (132) is arranged in the main case (13), the forward rotation servo motors (211) and the reverse rotation servo motors (212) are arranged in two groups, and the two groups of forward rotation servo motors (211) and the two groups of reverse rotation servo motors (212) are symmetrically arranged on the T-shaped frame (131).
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| CN106338880A (en) * | 2016-10-20 | 2017-01-18 | 安徽协创物联网技术有限公司 | Multifunctional panorama camera |
| CN206332500U (en) * | 2016-12-25 | 2017-07-14 | 福建大晶光电有限公司 | A kind of warmhouse booth planting solar electric power supply system |
| CN108548689A (en) * | 2018-05-29 | 2018-09-18 | 吉林大学 | Delayed startup type multi- drive synchronization oscillatory type subglacial water body deposit sampler |
| CN208902444U (en) * | 2018-07-10 | 2019-05-24 | 南京贻润环境科技有限公司 | A kind of spiral and the undisturbed soil sampling tool for directly pushing away drilling and being combined |
| CN108801687A (en) * | 2018-08-09 | 2018-11-13 | 江苏鸿基水源科技股份有限公司 | A kind of portable original state weak soil soil sampler and its working method |
| CN211013548U (en) * | 2019-09-26 | 2020-07-14 | 青岛蓝科海洋仪器设备有限公司 | Novel vibration sampler |
| CN111624020A (en) * | 2020-04-25 | 2020-09-04 | 青岛蓝科海洋仪器设备有限公司 | Sediment sampling device with unidirectional high-frequency micro-vibration |
| CN111624024A (en) * | 2020-05-30 | 2020-09-04 | 北京科源昌旭科技有限公司 | Depth-unlimited automatic propulsion type riverbed matter sampling device |
| CN214022013U (en) * | 2020-12-14 | 2021-08-24 | 四川香雪制药有限公司 | Vibration sorting table |
| CN112834273A (en) * | 2021-01-29 | 2021-05-25 | 自然资源部第一海洋研究所 | Undisturbed high-frequency vibration sediment sampler |
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Application publication date: 20211210 |
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