CN105910760A - Centroid detection device for absolute gravimeter falling body - Google Patents
Centroid detection device for absolute gravimeter falling body Download PDFInfo
- Publication number
- CN105910760A CN105910760A CN201610446947.4A CN201610446947A CN105910760A CN 105910760 A CN105910760 A CN 105910760A CN 201610446947 A CN201610446947 A CN 201610446947A CN 105910760 A CN105910760 A CN 105910760A
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- CN
- China
- Prior art keywords
- detection device
- absolute gravimeter
- falling bodies
- cushion block
- block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
Abstract
The invention discloses a centroid detection device for an absolute gravimeter falling body and a relates to the centroid detection device. In a structure of the centroid detection device, an electronic scale (9) and a screw cushion block (4) that are interconnected are arranged on a base plate (7) in a left-and-right manner, a first knurled screw (8-1) on a support plate (5) is placed on the electronic scale (9), and second and third knurled screws (8-2, 8-3) on the support plate (5) are placed in a taper hole of the screw cushion block (4); an axial positioning baffle plate (1), a height heel block (6) and a V-shaped groove block (3) are orderly arranged on the support plate (5) from left to right; an absolute gravimeter (2) is placed on the height heel block (6) and the V-shaped groove block (3). The centroid detection device for the absolute gravimeter falling body solves a problem that a conventional centroid detection device for the absolute gravimeter falling body is complex in structure and is difficult to process and assemble, and a technical problem that the conventional centroid detection device is complex to operate and high measurement precision cannot be guaranteed when the conventional centroid detection device is used for detecting a centroid of the absolute gravimeter falling body is addressed.
Description
Technical field
The present invention relates to a kind of centroid detection device, particularly relate to a kind of barycenter for absolute gravimeter falling bodies and examine
Survey device.
Background technology
At present, traditional absolute gravimeter all use the mode of the movement of falling object to measure gravity acceleration g,
Falling bodies all contain prism of corner cube；During measurement, when the barycenter of falling bodies does not weighs with the photocentre of prism of corner cube
Bring bigger systematic error can to during conjunction measurement final for g.But, current some are for absolute gravimeter
The centroid detection device of middle falling bodies or because structure complexity is difficult to, or because operation complexity is difficult to ensure that measurement essence
Degree, brings many experiment difficulties to the centroid detection of absolute gravimeter falling bodies.
Summary of the invention
For the disadvantages described above of existence or the Improvement requirement of prior art, the invention provides a kind of for definitely weight
The centroid detection device of power instrument falling bodies, it is intended that solve existing absolute gravimeter decline body centroid detection
Experimental provision structure complexity is difficult to, and operation complexity is difficult to ensure that the technical problem of certainty of measurement.
The object of the present invention is achieved like this:
Specifically, the present invention includes axial positioning baffle, absolute gravimeter falling bodies, V-groove block, screw pad
Block, gripper shoe, height cushion block, base plate, milled screw and electronic scale；
Its position and annexation be:
Base plate is provided with electronic scale and screw cushion block that left and right connects；
The 1st milled screw in gripper shoe is placed on electronic scale, in gripper shoe the 2nd, 3 milled screws are placed in
In the bellmouth of screw cushion block；
On the supporting plate, axial positioning baffle, height cushion block and V-groove block it are disposed with from left to right；
Absolute gravimeter falling bodies are placed on height cushion block and V-groove block.
Compared with prior art, the present invention has following advantages and a good effect:
1. due to simple in construction, process and assemble is convenient, solves existing absolute gravimeter falling bodies centroid detection device
Structure complicated difficult is with the problem of process and assemble；
2., due to simple to operate, when measuring the axial barycenter of absolute gravimeter falling bodies, only need to place falling bodies and read electricity
Sub-scale reading just can obtain falling bodies centroid position, and when solving existing absolute gravimeter falling bodies centroid detection, operation is multiple
The miscellaneous technical problem being difficult to ensure that certainty of measurement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of axial positioning baffle；
Fig. 3 is the structural representation of absolute gravimeter falling bodies；
Fig. 4 is the structural representation of V-groove block；
The structural representation of Fig. 5 gripper shoe；
Fig. 6 is the structural representation of screw cushion block；
Fig. 7 is base arrangement schematic diagram；
Fig. 8 is the structural representation of milled screw.
Wherein:
1 axial positioning baffle,
1-1 the 1st screwed hole, 1-2 the 2nd screwed hole；
2 absolute gravimeter falling bodies；
3 V-groove blocks,
3-1 the 1st geosynclinal block screwed hole, 3-2 the 2nd geosynclinal block screwed hole；
4 screw cushion blocks,
4-1 the 1st cushion block screwed hole, 4-2 the 2nd cushion block screwed hole；
4-3 the 1st cushion block bellmouth, 4-4 the 2nd cushion block bellmouth；
5 gripper shoes,
5-1-1 the 1st minor thread hole, 5-1-2 the 2nd minor thread hole, 5-1-3 the 3rd minor thread hole；
5-2-1 the 1st major thread hole, 5-2-2 the 2nd major thread hole；
The 1st pair of screwed hole of 5-3-1, the 2nd pair of screwed hole of 5-3-2；
6 height cushion block,
7 base plates,
7-1 the 1st base thread hole, 7-2 the 2nd base thread hole；
8 milled screws；
9 electronic scales.
Detailed description of the invention
One, structure
1, overall
Such as Fig. 1, the present invention includes axial positioning baffle 1, absolute gravimeter falling bodies 2, V-groove block 3, screw
Cushion block 4, gripper shoe 5, height cushion block 6, base plate 7, milled screw 8 and electronic scale 9；
Its position and annexation be:
Base plate 7 is provided with electronic scale 9 and screw cushion block 4 that left and right connects；
The 1st milled screw 8-1 in gripper shoe 5 is placed on electronic scale 9, the 2nd, 3 rollings in gripper shoe 5
Flower screw 8-2,8-3 are placed in the bellmouth of screw cushion block 4；
In gripper shoe 5, it is disposed with axial positioning baffle 1, height cushion block 6 and V-groove from left to right
Block 3；
Absolute gravimeter falling bodies 2 are placed on height cushion block 6 and V-groove block 3.
2, functional part
1) axial positioning baffle 1
Such as Fig. 2, axial positioning baffle 1 is a kind of rectangular metal derby, and its bottom surface is provided with the 1st, 2 spiral shells
Pit 1-1,1-2, for being connected with gripper shoe 5.
2) absolute gravimeter falling bodies 2
Such as Fig. 3, absolute gravimeter falling bodies 2 are the flanged (FLGD) hollow cylinders in a kind of upper surface, are provided with in cylinder
Prism of corner cube.
3) V-groove block 3
Such as Fig. 4, V-groove block 3 is that a kind of general part, i.e. centre on square block are provided with V-groove,
The both sides of square block bottom surface are provided with the 1st, 2 geosynclinal block screwed hole 3-1,3-2 for being connected with gripper shoe 5.
4) screw cushion block 4
Such as Fig. 5, screw cushion block 4 is a kind of rectangle metal derby, is convex shape breach, in left in the middle of it
On be respectively arranged with below the 1st, 2 cushion block screwed hole 4-1,4-2 for be connected with base plate 7 and the 1st, 2 pad
Block bellmouth 4-3,4-4 are for the location of the 2nd, 3 milled screw 8-2,8-3.
5) gripper shoe 5
Such as Fig. 6, gripper shoe 5 is a kind of rectangular metallic plate；
Be provided with the 1st minor thread hole 5-1-1 in the centre on the left side, on the right be respectively arranged with the 2nd, 3 up and down
Minor thread hole 5-1-2,5-1-3, be respectively used to be connected with the 1st, 2,3 milled screw 8-1,8-2,8-3；
Be vertically disposed with the 1st, 2 major thread hole 5-2-1,5-2-2 on the left side, for and axial positioning baffle
The connection of 1；
It is disposed with the 1st, 2 couples of screwed holes 5-3-1,5-3-2 on the right for connecting V-groove block 3 and adjusting
The position of joint V-groove block 3.
6) height cushion block 6
Height cushion block 6 is a kind of rectangle metal derby, is vertically disposed in gripper shoe 5, is used for supporting definitely weight
Power instrument falling bodies 2.
7) base plate 7
Such as Fig. 7, base plate 7 is a kind of rectangular metal derby, and its left side upper and lower is provided with the 1st, 2 ends
Plate screwed hole 7-1,7-2, for being connected with screw cushion block 4；
For supporting screw cushion block 4 and electronic scale 9.
8) milled screw 8
Such as Fig. 8, the end of milled screw 8 is processed into hemispherical, for regulating the level of gripper shoe 5.
9) electronic scale 9
Electronic scale 9 is a kind of general part.
3, job step and mechanism
1) present invention is assembled by Fig. 1, by the 1st, 2,3 milled screw 8-1,8-2,8-3 regulations
The level of fagging 5, does not first place absolute gravimeter falling bodies 2；
2) the 1st milled screw 8-1 and distance L of the 2nd, 3 milled screw 8-2,8-3 lines are measured0；
3) distance L of the 2nd, 3 milled screw 8-2,8-3 lines and axial positioning baffle 1 right side is measured1；
4) electronic scale 9 is reset；
5) absolute gravimeter falling bodies 2 are placed by Fig. 1, if now the reading of electronic scale 9 is m1；
Assume that falling bodies sole mass is m0, then to the 2nd, 3 milled screw 8-2,8-3 line row equalising torque sides
Journey:
m1*L0=m0*(L1-h)
Wherein, h is falling bodies centroid position, is expressed as the distance of bottom face shown in centroid distance Fig. 3, by upper
Formula calculates falling bodies centroid position:
Claims (9)
1. one kind is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Including axial positioning baffle (1), absolute gravimeter falling bodies (2), V-groove block (3), screw cushion block (4), gripper shoe (5), height cushion block (6), base plate (7), milled screw (8) and electronic scale (9)；
Its position and annexation be:
Base plate (7) is provided with electronic scale (9) and screw cushion block (4) that left and right connects；
The 1st milled screw (8-1) in gripper shoe (5) is placed on electronic scale (9), in gripper shoe (5) the 2nd, 3 milled screws (8-2,8-3) are placed in the bellmouth of screw cushion block (4)；
In gripper shoe (5), it is disposed with axial positioning baffle (1), height cushion block (6) and V-groove block (3) from left to right；
Absolute gravimeter falling bodies (2) are placed on height cushion block (6) and V-groove block (3).
2. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described axial positioning baffle (1) is a kind of rectangular metal derby, and its bottom surface is provided with the 1st, 2 screwed holes (1-1,1-2), for being connected with gripper shoe (5).
3. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described absolute gravimeter falling bodies (2) are the flanged (FLGD) hollow cylinders in a kind of upper surface, are provided with prism of corner cube in cylinder.
4. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described V-groove block (3) is that a kind of general part, i.e. centre on square block are provided with V-groove, is provided with the 1st, 2 geosynclinal block screwed holes (3-1,3-2) on the both sides of square block bottom surface for being connected with gripper shoe (5).
5. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described screw cushion block (4) is a kind of rectangle metal derby, be convex shape breach in the middle of it, be respectively arranged with the 1st, 2 cushion block screwed holes (4-1,4-2) below for being connected with base plate (7) and the 1st, 2 cushion block bellmouths (4-3,4-4) are used for the 2nd, the location of 3 milled screws (8-2,8-3) in left upper.
6. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described gripper shoe (5) is a kind of rectangular metallic plate；
Be provided with the 1st minor thread hole (5-1-1) in the centre on the left side, on the right upper and lower is respectively arranged with the 2nd, 3 minor thread holes (5-1-2,5-1-3), be respectively used to the 1st, 2,3 milled screws (8-1,8-2,8-3) are connected；
Upper and lower on the left side is provided with the 1st, 2 major thread holes (5-2-1,5-2-2), for the connection with axial positioning baffle (1)；
It is disposed with the 1st, 2 pairs of screwed holes (5-3-1,5-3-2) on the right to be used for connecting V-groove block (3) and the position of regulation V-groove block (3).
7. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described height cushion block (6) is a kind of rectangle metal derby, is vertically disposed in gripper shoe (5), is used for supporting absolute gravimeter falling bodies (2).
8. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
Described base plate (7) is a kind of rectangular metal derby, and its left side is provided with the 1st, 2 base thread holes (7-1,7-2), for being connected with screw cushion block (4).
9. the one as described in claim 1 is used for absolute gravimeter falling bodies centroid detection device, it is characterised in that:
The end of described milled screw (8) is processed into hemispherical, is used for regulating the level of gripper shoe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446947.4A CN105910760A (en) | 2016-06-21 | 2016-06-21 | Centroid detection device for absolute gravimeter falling body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446947.4A CN105910760A (en) | 2016-06-21 | 2016-06-21 | Centroid detection device for absolute gravimeter falling body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910760A true CN105910760A (en) | 2016-08-31 |
Family
ID=56758173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610446947.4A Pending CN105910760A (en) | 2016-06-21 | 2016-06-21 | Centroid detection device for absolute gravimeter falling body |
Country Status (1)
| Country | Link |
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| CN (1) | CN105910760A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091713A (en) * | 2017-04-28 | 2017-08-25 | 中国航空工业集团公司北京长城计量测试技术研究所 | Can Moving master body and center mass measuring device calibration method |
| CN109813495A (en) * | 2019-03-15 | 2019-05-28 | 北京京城新能源（酒泉）装备有限公司 | A kind of generator quality conformance inspection mass center deflection angle measuring device |
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2016
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| CN201497612U (en) * | 2009-08-22 | 2010-06-02 | 襄樊达安汽车检测中心 | Mass center position measuring device for power assembly of vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091713A (en) * | 2017-04-28 | 2017-08-25 | 中国航空工业集团公司北京长城计量测试技术研究所 | Can Moving master body and center mass measuring device calibration method |
| CN107091713B (en) * | 2017-04-28 | 2019-09-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | Can Moving master body and center mass measuring device calibration method |
| CN109813495A (en) * | 2019-03-15 | 2019-05-28 | 北京京城新能源（酒泉）装备有限公司 | A kind of generator quality conformance inspection mass center deflection angle measuring device |
| CN109813495B (en) * | 2019-03-15 | 2020-10-30 | 北京京城新能源（酒泉）装备有限公司 | Mass center deflection angle measuring device for generator quality qualification inspection |
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Application publication date: 20160831 |
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