CN205843890U - A kind of centroid detection device for absolute gravimeter falling bodies - Google Patents
A kind of centroid detection device for absolute gravimeter falling bodies Download PDFInfo
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- CN205843890U CN205843890U CN201620619231.5U CN201620619231U CN205843890U CN 205843890 U CN205843890 U CN 205843890U CN 201620619231 U CN201620619231 U CN 201620619231U CN 205843890 U CN205843890 U CN 205843890U
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- falling bodies
- cushion block
- absolute gravimeter
- gripper shoe
- detection device
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- 230000033228 biological regulation Effects 0.000 claims description 3
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- 238000005259 measurement Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of centroid detection device for absolute gravimeter falling bodies, relate to a kind of centroid detection device.Structure of the present utility model is: be provided with electronic scale (9) and screw cushion block (4) that left and right connects on base plate (7)；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).This utility model tool solves the existing absolute gravimeter falling bodies centroid detection apparatus structure complicated difficult problem with process and assemble；When solving existing absolute gravimeter falling bodies centroid detection, operation complexity is difficult to ensure that the technical problem of certainty of measurement.
Description
Technical field
This utility model relates to a kind of centroid detection device, particularly relates to a kind of barycenter for absolute gravimeter falling bodies and examines
Survey device.
Background technology
At present, traditional absolute gravimeter all uses the mode of the movement of falling object to measure gravity acceleration g, in falling bodies
All contain prism of corner cube；During measurement, when the barycenter of falling bodies and the photocentre of prism of corner cube axial misaligned time can give g final
Measure and bring bigger systematic error.But, current some in absolute gravimeter falling bodies centroid detection device or because of
Structure complexity is difficult to, or because operation complexity is difficult to ensure that certainty of measurement, brings to the centroid detection of absolute gravimeter falling bodies
Many experiment difficulties.
Utility model content
For the disadvantages described above of existence or the Improvement requirement of prior art, this utility model provides a kind of for definitely weight
The centroid detection device of power instrument falling bodies, it is intended that solve the experimental provision of existing absolute gravimeter decline body centroid detection
Structure complexity is difficult to, and operation complexity is difficult to ensure that the technical problem of certainty of measurement.
The purpose of this utility model is achieved in that
Specifically, this utility model include axial positioning baffle, absolute gravimeter falling bodies, V-groove block, screw cushion 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 be placed in screw cushion block
Bellmouth in；
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, this utility model 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 apparatus 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 electronic scale
Reading just can obtain falling bodies centroid position, operates complexity and be difficult to ensure that survey when solving existing absolute gravimeter falling bodies centroid detection
The technical problem of accuracy of measurement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
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, this utility model include 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 milled screw 8-2,8-in gripper shoe 5
In 3 bellmouths being placed in 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, 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 screwed hole 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 pyramid rib in cylinder
Mirror.
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, in square block bottom surface
Both sides be 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, at upper following point of left in the middle of it
Be not provided with the 1st, 2 cushion block screwed hole 4-1,4-2 for be connected with base plate 7 and the 1st, 2 cushion block bellmouth 4-3,4-4 for the 2nd,
The location of 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 up and down, 3 minor threads
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；
It is vertically disposed with the 1st, 2 major thread hole 5-2-1,5-2-2, for the connection with axial positioning baffle 1 on the left side；
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 regulation V-groove block
The position of 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 absolute gravimeter and falls
Body 2.
7) base plate 7
Such as Fig. 7, base plate 7 is a kind of rectangular metal derby, and the upper and lower of its left side is provided with the 1st, 2 base thread 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) this utility model is assembled by Fig. 1, by the water of the 1st, 2,3 milled screw 8-1,8-2,8-3 regulation gripper shoes 5
Flat, first do not 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 torque equilibrium equations:
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, above formula calculates
Body centroid position is:
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
Degree 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) is 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 hole (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, in square block bottom surface
Both sides are provided with the 1st, 2 geosynclinal block screwed holes (3-1,3-2) 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, is convex shape breach, in the upper following difference of left in the middle of it
It is provided with the 1st, 2 cushion block screwed holes (4-1,4-2) for being connected with base plate (7) and the 1st, 2 cushion block bellmouths (4-3,4-4) are used for
2nd, the location of 3 milled screws (8-2,8-3).
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 company with axial positioning baffle (1)
Connect；
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 regulation V-groove block
(3) position.
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 definitely weight
Power instrument 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), uses
In 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 |
|---|---|---|---|
| CN201620619231.5U CN205843890U (en) | 2016-06-21 | 2016-06-21 | A kind of centroid detection device for absolute gravimeter falling bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619231.5U CN205843890U (en) | 2016-06-21 | 2016-06-21 | A kind of centroid detection device for absolute gravimeter falling bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205843890U true CN205843890U (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620619231.5U Expired - Fee Related CN205843890U (en) | 2016-06-21 | 2016-06-21 | A kind of centroid detection device for absolute gravimeter falling bodies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910760A (en) * | 2016-06-21 | 2016-08-31 | 中国地震局地震研究所 | Centroid detection device for absolute gravimeter falling body |
-
2016
- 2016-06-21 CN CN201620619231.5U patent/CN205843890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910760A (en) * | 2016-06-21 | 2016-08-31 | 中国地震局地震研究所 | Centroid detection device for absolute gravimeter falling body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 |