CN210605030U - Mass body angular displacement experiment measuring device - Google Patents
Mass body angular displacement experiment measuring device Download PDFInfo
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- CN210605030U CN210605030U CN201921587095.6U CN201921587095U CN210605030U CN 210605030 U CN210605030 U CN 210605030U CN 201921587095 U CN201921587095 U CN 201921587095U CN 210605030 U CN210605030 U CN 210605030U
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Abstract
The utility model relates to a measuring device technical field especially relates to a mass body angular displacement experiment measuring device, it includes angle displacement slewer, the gyration connecting plate, two-way linear displacement device, mass body linear displacement installing support and mass body, angle displacement slewer includes PMKD and gyration support, the gyration connecting plate is installed on gyration support rotating ring, two-way linear displacement device includes two-way linear displacement installing support, first and second linear displacement device, mass body linear displacement installing support includes first and second mass body linear displacement installing support, the mass body includes first and second mass body, first mass body linear displacement installing support is along first linear displacement device reciprocating motion, second mass body linear displacement installing support is along second linear displacement device reciprocating motion. The device provided by the utility model both can measure the gravitational field change of single quality body in the different positions in plane, also can measure two quality body simultaneous movement production gravitational field changes.
Description
Technical Field
The utility model relates to a measuring device technical field especially relates to a mass body angular displacement experiment measuring device.
Background
The gravity field of the earth has different values in different regions due to the difference of geological structures, and the gradient of gravity is different at different positions and angles. The gravity gradiometer is an instrument for measuring the vertical gradient of a gravitational field, namely measuring the change of the gravity acceleration of the earth along with the space. It plays an important role in the development of space science, earth science, geological science and other scientific and technical technologies. In the development work of the gravity gradiometer, a stable controlled gravity gradient field needs to be created for reliably evaluating and calibrating the measurement performance of the gravity gradiometer. The gravity gradient field in nature is mainly formed by macroscopic geological landforms, and manual control of the natural gravity gradient can be realized only by large-scale engineering construction. Therefore, by utilizing the universal gravitation characteristics among the artificial mass bodies, the artificial mass bodies generate controllable gravitation distribution to influence and change a local gravity gradient field, and an artificial environment for measuring the gravitation and the gravity gradient field is created, which has important significance for measuring and calibrating the gravity gradient in a laboratory.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a mass body angular displacement experimental measurement device that the produced gravitational field of two also measurable mass bodies simultaneous movement changes the influence to the gravity gradiometer is provided both can measure the gravitational field change of single mass body in the different positions in plane.
The utility model discloses a realize through following technical scheme:
a mass angular displacement experimental measurement device comprises an angular displacement slewing device, a slewing connection plate, a bidirectional linear displacement device, a mass linear displacement installation support and a mass body, wherein the angular displacement slewing device comprises a fixed bottom plate and a slewing support arranged on the fixed bottom plate, the slewing support comprises a fixed ring fixedly connected with the fixed bottom plate and a movable ring driven to rotate by a slewing servo driving device, the slewing connection plate is arranged on the movable ring of the slewing support, the bidirectional linear displacement device comprises a bidirectional linear displacement installation support fixedly arranged on the slewing connection plate, a first linear displacement device and a second linear displacement device, the first mass linear displacement installation support is arranged on the bidirectional linear displacement installation support, the second mass linear displacement installation support is arranged on the second linear displacement device, the mass body comprises a first mass body arranged on a first mass body linear displacement mounting support and a second mass body arranged on a second mass body linear displacement mounting support, the first mass body linear displacement mounting support is driven by a first linear displacement servo driving device to reciprocate along a first linear displacement device, and the second mass body linear displacement mounting support is driven by a second linear displacement servo driving device to reciprocate along a second linear displacement device.
Furthermore, two fixed positioning blocks are installed on the fixed bottom plate, and a rotary positioning block matched with the fixed positioning blocks is fixedly installed on the rotary connecting plate.
Preferably, a plurality of gear teeth are uniformly arranged on the outer edge of the rotating ring of the rotating support, the rotating servo driving device comprises a rotating servo motor fixing support fixedly arranged on the fixing bottom plate and a servo motor reducer arranged on the rotating servo motor fixing support, and a pinion meshed with the gear teeth of the rotating support is arranged on an output shaft of the servo motor reducer.
Furthermore, a clamping groove is formed in the rotary servo motor fixing support, a connecting plate is fixedly mounted on the casing of the servo motor speed reducer, the servo motor speed reducer is clamped in the clamping groove, and the connecting plate is connected with the rotary servo motor fixing support through an adjusting screw.
Optimized, first linear displacement device includes two first linear slide rails of fixed mounting on linear displacement installing support and is located the first lead screw between two first linear slide rails, first quality body linear displacement installing support passes through the screw and installs on first lead screw, and first lead screw is rotatory by the drive of first linear displacement servo drive motor, second linear displacement device includes two second linear slide rails of fixed mounting on linear displacement installing support and is located the second lead screw between two second linear slide rails, second quality body linear displacement installing support passes through the screw and installs on the second lead screw, and the second lead screw is rotatory by the drive of second linear displacement servo drive motor.
Furthermore, two ends of the first linear sliding rail and the second linear sliding rail are respectively and fixedly provided with a limiting device, and limiting switches of the limiting devices are respectively connected with corresponding linear displacement servo driving motors through cables.
Furthermore, the first linear displacement servo driving motor and the second linear displacement servo driving motor are connected with the corresponding screw rods through the first connecting shaft device and the second connecting shaft device.
Beneficial effects of the utility model
The utility model provides a change that two quality bodies can encircle the center simultaneously and do rotation and axial motion, both can measure the gravitational field change of single quality body in plane different positions, also can measure the produced gravitational field of two quality body simultaneous movement's change to gravity gradiometer, make the artificial environment of simulation have more changes, more be close to practical application environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of a rotary servo drive;
in the figure, 1, a fixed base plate, 2, a first linear displacement servo driving motor, 3, a first linear sliding rail, 4, a first mass body, 5, a rotary servo driving device, 6, a rotary connecting plate, 7, a bidirectional linear displacement mounting bracket, 8, a second linear sliding rail, 9, a second lead screw, 10, a second mass body, 11, a limiting device, 12, a second connecting shaft device, 13, a second linear displacement servo driving motor, 14, a second linear displacement device, 15, a rotary positioning block, 16, a fixed positioning block, 17, a fixed ring, 18, a movable ring, 19, a rotary servo motor fixing bracket, 20, a first lead screw, 21, a first linear displacement device, 22, a first connecting shaft device, 23, a second mass body linear displacement mounting bracket, 24, a first mass body linear displacement mounting bracket, 25, a pinion, 26, a servo motor reducer, 27, an adjusting screw and 28 connect plates.
Detailed Description
A mass angular displacement experimental measurement device comprises an angular displacement rotary device, a rotary connecting plate 6, a bidirectional linear displacement device, a mass linear displacement mounting bracket and a mass body, wherein the angular displacement rotary device comprises a fixed bottom plate 1 and a rotary support arranged on the fixed bottom plate, the rotary support comprises a fixed ring 17 fixedly connected with the fixed bottom plate and a movable ring 18 driven to rotate by a rotary servo driving device 5, the rotary connecting plate is arranged on the movable ring of the rotary support, the bidirectional linear displacement device comprises a bidirectional linear displacement mounting bracket 7 fixedly arranged on the rotary connecting plate, a first linear displacement device 21 and a second linear displacement device 14 arranged on the bidirectional linear displacement mounting bracket, the mass linear displacement mounting bracket comprises a first mass linear displacement mounting bracket 24 arranged on a first linear displacement device and a second mass linear displacement mounting bracket 23 arranged on a second linear displacement device, the mass body comprises a first mass body 4 arranged on a first mass body linear displacement mounting bracket and a second mass body 10 arranged on a second mass body linear displacement mounting bracket, the first mass body linear displacement mounting bracket is driven by a first linear displacement servo driving device to reciprocate along a first linear displacement device, the second mass body linear displacement mounting bracket is driven by a second linear displacement servo driving device to reciprocate along a second linear displacement device, a rotary servo driving device drives a movable ring to rotate so as to drive the two mass bodies to rotate, and meanwhile, the first linear displacement servo driving device and the second linear displacement servo driving device can also drive the corresponding mass bodies to linearly move, namely, the two mass bodies can simultaneously rotate around a center and axially move, so that the variation of the gravitational field of the single mass body at different positions on a plane can be measured, and the influence of the variation of the gravitational field generated by the simultaneous movement of the two mass bodies on the gravity gradiometer can also be measured, the simulated artificial environment has more changes and is closer to the actual application environment.
Furthermore, two fixed positioning blocks 16 are installed on the fixed bottom plate, a rotary positioning block 15 matched with the fixed positioning blocks is fixedly installed on the rotary connecting plate, and when the rotating ring of the rotary support rotates, the rotary positioning block and the fixed positioning blocks are combined for limiting, so that the rotating ring is limited from rotating over-position.
Optimized, the outer fringe of the rotating ring of the rotary support is uniformly provided with a plurality of gear teeth, the rotary servo driving device comprises a rotary servo motor fixing support 19 fixedly installed on a fixing bottom plate and a servo motor speed reducer 26 installed on the rotary servo motor fixing support, a pinion 25 meshed with the gear teeth of the rotary support is installed on an output shaft of the servo motor speed reducer, the pinion is driven to rotate forwards and backwards through the rotary servo motor speed reducer, the pinion drives the rotating ring of the rotary support to rotate around a Z shaft, different angles of forward and reverse rotation of the bidirectional linear displacement device and the mass body above the rotary support are achieved, the rotating angle can be accurately controlled, the rotary positioning precision is high, the measurement is more accurate and reliable, and manual regulation and control are not needed.
Furthermore, be equipped with the draw-in groove (not shown) on the servo motor fixed bolster of gyration, fixed mounting has connecting plate 28 on the servo motor speed reducer casing, and the servo motor speed reducer clamps in the draw-in groove, and its connecting plate passes through adjusting screw 27 and is connected with the servo motor fixed bolster of gyration, can adjust the pinion through adjusting screw and the meshing interval that the gyration was supported, realizes better more accurate transmission.
Preferably, the first linear displacement device comprises two first linear slide rails 3 fixedly mounted on the linear displacement mounting bracket and a first lead screw 20 positioned between the two first linear slide rails, the first mass body linear displacement mounting bracket is mounted on the first lead screw through a nut, the first lead screw is driven to rotate by a first linear displacement servo drive motor 2, the second linear displacement device comprises two second linear slide rails 8 fixedly mounted on the linear displacement mounting bracket and a second lead screw 9 positioned between the two second linear slide rails, the second mass body linear displacement mounting bracket is mounted on the second lead screw through the nut, the second lead screw is driven to rotate by a second linear displacement servo drive motor 13, and the first linear displacement servo drive motor and the second linear displacement servo drive motor drive the corresponding lead screw to rotate, so that the corresponding mass body linear displacement mounting bracket can linearly move along the corresponding linear slide rails, the corresponding mass body is enabled to realize accurate movement in the linear displacement direction.
Further, the two ends of the first linear sliding rail and the second linear sliding rail are respectively and fixedly provided with a limiting device 11, a limiting switch of the limiting device is respectively connected with a corresponding linear displacement servo driving motor through a cable, when the mass body linear displacement mounting support moves to the limiting device at the end part of the corresponding linear sliding rail, the limiting device can control the corresponding linear displacement servo driving motor to stop rotating, the mass body linear displacement mounting support is ensured to drive the mass body to move in an effective linear displacement interval, and the over-action is avoided.
Further, the first linear displacement servo drive motor and the second linear displacement servo drive motor are connected with the corresponding lead screws through the first connecting shaft device 22 and the second connecting shaft device 12, and the rotation of the shaft of the linear displacement servo drive motor can drive the corresponding lead screws to rotate accurately.
The utility model discloses a quality body angular displacement experiment measuring device who protects, when the device starts each subentry servo motor speed reducer simultaneously, can realize that two quality bodies move around a specific annular plane of Z axle in XYZ coordinate system in opposite directions, can produce gravitation and the gradient gravitational field environment of a series of changes, provide more changes probably for the experiment of gravity gradiometer.
To sum up, the utility model discloses a quality body angular displacement experiment measuring device who protects both can measure the gravitational field change of single quality body in the different positions in plane, also can measure the influence that the produced gravitational field of two quality body simultaneous movement changes gravity gradiometer, makes the artificial environment of simulation have more changes, more is close practical application environment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A mass angular displacement experimental measurement device is characterized by comprising an angular displacement slewing device, a slewing connection plate, a bidirectional linear displacement device, a mass linear displacement mounting bracket and a mass body, wherein the angular displacement slewing device comprises a fixed bottom plate and a slewing support arranged on the fixed bottom plate, the slewing support comprises a fixed ring fixedly connected with the fixed bottom plate and a movable ring driven to rotate by a slewing servo driving device, the slewing connection plate is arranged on the movable ring of the slewing support, the bidirectional linear displacement device comprises a bidirectional linear displacement mounting bracket fixedly arranged on the slewing connection plate, a first linear displacement device and a second linear displacement device, the first linear displacement device and the second linear displacement device are arranged on the bidirectional linear displacement mounting bracket, the mass linear displacement mounting bracket comprises a first mass linear displacement mounting bracket arranged on the first linear displacement device and a second mass linear displacement mounting bracket arranged on the second linear displacement device, the mass body comprises a first mass body arranged on a first mass body linear displacement mounting support and a second mass body arranged on a second mass body linear displacement mounting support, the first mass body linear displacement mounting support is driven by a first linear displacement servo driving device to reciprocate along a first linear displacement device, and the second mass body linear displacement mounting support is driven by a second linear displacement servo driving device to reciprocate along a second linear displacement device.
2. The experimental measuring device for angular displacement of mass body of claim 1, wherein two fixed positioning blocks are installed on the fixed bottom plate, and a rotary positioning block matched with the fixed positioning blocks is fixedly installed on the rotary connecting plate.
3. The experimental measurement device for the angular displacement of the mass body according to claim 1, wherein a plurality of gear teeth are uniformly arranged on the outer edge of the rotating ring of the rotating support, the rotating servo driving device comprises a rotating servo motor fixing support fixedly installed on the fixing bottom plate and a servo motor reducer installed on the rotating servo motor fixing support, and a pinion engaged with the gear teeth of the rotating support is installed on an output shaft of the servo motor reducer.
4. The experimental measurement device for angular displacement of mass body according to claim 3, wherein said rotary servo motor fixing support is provided with a slot, a casing of the servo motor reducer is fixedly provided with a connecting plate, the servo motor reducer is clamped in the slot, and the connecting plate is connected with the rotary servo motor fixing support through an adjusting screw.
5. The experimental measurement device for angular displacement of mass body of claim 1, wherein the first linear displacement device comprises two first linear slide rails fixedly mounted on the linear displacement mounting bracket and a first lead screw located between the two first linear slide rails, the first linear displacement mounting bracket is mounted on the first lead screw through a nut, the first lead screw is driven to rotate by a first linear displacement servo drive motor, the second linear displacement device comprises two second linear slide rails fixedly mounted on the linear displacement mounting bracket and a second lead screw located between the two second linear slide rails, the second linear displacement mounting bracket is mounted on the second lead screw through a nut, and the second lead screw is driven to rotate by a second linear displacement servo drive motor.
6. The experimental measurement device for angular displacement of mass body of claim 5, wherein two ends of the first linear slide rail and the second linear slide rail are respectively fixedly provided with a limit device, and limit switches of the limit devices are respectively connected with corresponding linear displacement servo drive motors through cables.
7. The experimental measurement device for angular displacement of mass body of claim 5, wherein the first linear displacement servo drive motor and the second linear displacement servo drive motor are connected with the corresponding lead screws through a first connecting shaft device and a second connecting shaft device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921587095.6U CN210605030U (en) | 2019-09-24 | 2019-09-24 | Mass body angular displacement experiment measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921587095.6U CN210605030U (en) | 2019-09-24 | 2019-09-24 | Mass body angular displacement experiment measuring device |
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| CN210605030U true CN210605030U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363247A (en) * | 2020-10-27 | 2021-02-12 | 华中科技大学 | Motion error post-compensation method for gravity gradiometer |
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2019
- 2019-09-24 CN CN201921587095.6U patent/CN210605030U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363247A (en) * | 2020-10-27 | 2021-02-12 | 华中科技大学 | Motion error post-compensation method for gravity gradiometer |
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