CN204750476U - Three -dimensional focus adjustment mechanism - Google Patents
Three -dimensional focus adjustment mechanism Download PDFInfo
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- CN204750476U CN204750476U CN201420847859.1U CN201420847859U CN204750476U CN 204750476 U CN204750476 U CN 204750476U CN 201420847859 U CN201420847859 U CN 201420847859U CN 204750476 U CN204750476 U CN 204750476U
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- gravity
- center
- adjusting mechanism
- counterweight
- adjustment mechanism
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Abstract
The utility model relates to a three -dimensional focus adjustment mechanism comprises circumference focus adjustment mechanism and axial focus adjustment mechanism, and this mechanism needs four sets to be parallel to each other circumference focus adjustment mechanism equipartition on the coplanar, and its two sets of being parallel to each other are for a set of, and two sets of perpendicular with in addition, and circumference focus adjustment mechanism both sides and perpendicular with circumference focus adjustment mechanism are arranged in to axial focus adjustment mechanism symmetry, and both constitute three dimensional structure. Use the utility model discloses, realize simply, easy understanding, realization focus that can be reliable is adjusted, simplification installation procedure, the mechanism that the application had now adjusts the focus time and can easily accomplish in general half a hour. And adjusting centrobaric precision, this patent can reach 0.1mm.
Description
Technical field
The utility model relates to a kind of three-dimensional center of gravity regulating mechanism, refers to the regulating mechanism needing accurate Calculation center of gravity place three-dimensional position or center-of-gravity position to be in required precise local fix especially.Belong to the structure-design technique field needing to regulate three-dimensional center of gravity.
Background technology
The center-of-gravity position calculating every piece housing is usually needed under water in sail body design, even center-of-gravity position is in particular cases also needed to be in required location point at some, after sail body segmentation, principal character is outside face is approximate circle cylinder, and actual sets parts are not homogeneous and due to Mismachining tolerance and installation error, the center of gravity of bulk article also can not be each identical, this obviously cannot reach operating needs to control center-of-gravity position by accurate Calculation, center-of-gravity regulating is completed by the mode of sticky clump weight in the past, and due to whole parts be heterogeneous object, the position of the clump weight be at every turn stained with, weight need be determined by estimation roughly, center-of-gravity position is measured again after being stained with clump weight, improperly repeat above-mentioned steps again, often repeatedly substantially can could reach requirement many times, counterweight needed the time of several days to complete usually in the past.And requirement at present under water for three-dimensional center of gravity in sail body is more and more higher.Carry out center of gravity adjustment after adopting this intellectual achievement only to need within tens minutes, can complete and product total weight can not be changed.
Summary of the invention
The utility model provides the three-dimensional center of gravity regulating mechanism in a kind of sail body.
In order to solve the problem, the utility model is achieved through the following technical solutions:
Three-dimensional center of gravity regulating mechanism is made up of circumferential gravity center adjusting mechanism and axial gravity center adjusting mechanism, it is at grade uniform that this mechanism needs four overlap the circumferential gravity center adjusting mechanism be parallel to each other, its two covers be parallel to each other are one group, and with other two groups vertical, axial gravity center adjusting mechanism is symmetrically placed in circumferential gravity center adjusting mechanism both sides and vertical with circumferential gravity center adjusting mechanism, and both form three-dimensional structure.
Described circumferential gravity center adjusting mechanism by screw rod 1, pilot bar 2, supporting seat 3, turn round wheel 4, counterweight 5 and lock screw 6 and form, described screw rod 1 and pilot bar 2 are parallel to each other, and fixed by monosymmetric supporting seat 3, counterweight 5, through screw rod 1 and pilot bar 2, turns round wheel 4 and lock screw 6 is placed on supporting seat 3.Counterweight 5 is adjustable, and pilot bar 2 controls the sense of motion of counterweight 5, and lock screw 6 is for locking counterweight 5.
Described axial regulating mechanism is made up of guide rail 7, lock screw 8, jam nut 9, plain cushion 10, bullet pad 11 and fixture 12, described guide rail 7 is through fixture 12, lock screw 8, jam nut 9, plain cushion 10 and bullet pad 11 are placed in fixture 12 side, and fixture 12 is for fixing object under test.
According to described in plan content and other technical requirements design, process each part, by assemble 4 covers, core-regulating mechanism is uniform is arranged in same dull and stereotyped 13, is coordinated by flat board 13 install with fixture 12, guide rail 7.Fixture 12 is for fixing object under test, after object under test is fixed, turn round wheel 4 to regulate the position of counterweight 5, circumferential center of gravity is regulated by the position changing the counterweight 5 on circumferential-adjusting mechanism, the threaded adjusting that the position of counterweight 5 is coordinated with counterweight by screw rod 1, move counterweight 5 by rotary screw 1 and do straight-line motion along screw axis direction, pilot bar 2 controls the sense of motion of counterweight 5, and retrain the rotary freedom of counterweight 5, ensure that counterweight 5 attitude when adjusting position keeps straight-line motion and do not rotate, tighten after being adjusted to desired location lock screw 6 with fixing counterweight position thus solidification center-of-gravity position.In center of gravity control process, No. 1 and No. 3 core-regulating mechanisms are used for regulating the center-of-gravity position in x direction, and No. 2 and No. 4 center-of-gravitys position being used for regulating y direction, after center-of-gravity position adjustment, tighten respective lock screw 6, can fix circumferential center-of-gravity position.The whole flat board of translation on guide rail 7 direction, after being adjusted to suitable axial center of gravity requirement, locking guide rail position screw 8 everywhere, can complete center of gravity adjustment work.
Application the utility model, realizes simple, easy understand, and energy failure-free realizes center of gravity and regulates, and particularly the center of gravity of heterogeneous object regulates, and simplifies installation procedure, uses existing mechanism can easily complete within general half an hour the center-of-gravity regulating time.And the precision of this patent center-of-gravity regulating can reach 0.1mm.
Accompanying drawing explanation
Accompanying drawing is the schematic diagram of three-dimensional center of gravity regulating mechanism technology:
Fig. 1 is the three-dimensional structure figure regulating circumferential center of gravity mechanism;
Fig. 2 is the three-dimensional structure figure of adjusting shaft to center of gravity mechanism;
Layout schematic diagram used when Fig. 3 is practical adjustments center of gravity;
Cutaway view when Fig. 4 is practical adjustments center of gravity;
Number in the figure: 1-screw rod; 2-pilot bar; 3-supporting seat; 4-turn round wheel; 5-counterweight; 6-lock screw; 7-guide rail; 8-lock screw; 9-jam nut; 10-plain cushion; 11-bullet pad; 12-fixture; 13-dull and stereotyped.
Detailed description of the invention
The three-dimensional center of gravity regulating mechanism that the utility model relates to is made up of circumferential gravity center adjusting mechanism and axial gravity center adjusting mechanism, it is at grade uniform that this mechanism needs four overlap the circumferential gravity center adjusting mechanism that is parallel to each other, its two covers be parallel to each other are one group, and with other two groups vertical, axial gravity center adjusting mechanism is symmetrically placed in circumferential gravity center adjusting mechanism both sides and vertical with circumferential gravity center adjusting mechanism, and both form three-dimensional structure.
Further, described circumferential gravity center adjusting mechanism by screw rod 1, pilot bar 2, supporting seat 3, turn round wheel 4, counterweight 5 and lock screw 6 and form, described screw rod 1 and pilot bar 2 are parallel to each other, and fixed by monosymmetric supporting seat 3, counterweight 5, through screw rod 1 and pilot bar 2, turns round wheel 4 and lock screw 6 is placed on supporting seat 3.Counterweight 5 is adjustable, and pilot bar 2 controls the sense of motion of counterweight 5, and lock screw 6 is for locking counterweight 5.
Further, described axial regulating mechanism is made up of guide rail 7, lock screw 8, jam nut 9, plain cushion 10, bullet pad 11 and fixture 12, described guide rail 7 is through fixture 12, and lock screw 8, jam nut 9, plain cushion 10 and bullet pad 11 are placed in fixture 12 side, and fixture 12 is for fixing object under test.
As Fig. 1-Fig. 4, be whole three-dimensional center of gravity regulating mechanism, according to described in plan content and other technical requirements design, process each part, by assemble 4 covers, core-regulating mechanism is uniform is arranged in same flat board, is coordinated by flat board install with fixture 12, guide rail 7.Fixture 12 is for fixing object under test, after object under test is fixed, turn round wheel 4 to regulate the position of counterweight 5, circumferential center of gravity is regulated by the position changing the counterweight 5 on circumferential-adjusting mechanism, the threaded adjusting that the position of counterweight 5 is coordinated with counterweight by screw rod 1, move counterweight 5 by rotary screw 1 and do straight-line motion along screw axis direction, pilot bar 2 controls the sense of motion of counterweight 5, and retrain the rotary freedom of counterweight 5, ensure that counterweight 5 attitude when adjusting position keeps straight-line motion and do not rotate, tighten after being adjusted to desired location lock screw 6 with fixing counterweight position thus solidification center-of-gravity position, in center of gravity control process, No. 1 and No. 3 core-regulating mechanisms are used for regulating the center-of-gravity position in x direction, No. 2 and No. 4 are used for regulating the center-of-gravity position in y direction.Center-of-gravity position tightens respective lock screw 6, can fix circumferential center-of-gravity position after regulating.The whole flat board of translation on guide rail 7 direction, after being adjusted to suitable axial center of gravity requirement, locking guide rail position lock screw 8 everywhere, completes adjustment work.
Heterogeneous solid center of gravity can be adjusted to desired location by this three-dimensional center of gravity regulating mechanism, does not affect the locational space between other structures, parts in entity; Application the present invention, realize simple, easy understand, center of gravity adjustment can be realized by failure-free, simplify installation procedure, regulate simple to operation, connect reliable, general machine design is succinct, use existing mechanism can easily complete within general half an hour the center-of-gravity regulating time, and the precision of center-of-gravity regulating of the present invention can reach 0.1mm.
Degree of regulation is analyzed:
Center of gravity regulating calculation formula: suppose that the pouring weight quality of movement is
, sail body gross weight is
, pouring weight moving displacement is
, then the displacement of gravity motion is:
For circumferential-adjusting mechanism, generally
ratio be 0.01 ~ 0.03; For axial regulating mechanism, generally
ratio be 0.05 ~ 0.1; When pouring weight moving displacement is 1mm, circumferential mass centre changing amount is 0.01 ~ 0.03mm; Axial mass centre changing amount is 0.05 ~ 0.1mm, and common engineering requires as 0.1mm to the full accuracy of circumferential center of gravity, is 1mm to axial precision peak demand.So design plan can well meet accuracy requirement.
Claims (3)
1. a three-dimensional center of gravity regulating mechanism, be made up of circumferential gravity center adjusting mechanism and axial gravity center adjusting mechanism, it is characterized in that: it is at grade uniform that these mechanism's needs four overlap the circumferential gravity center adjusting mechanism that is parallel to each other, its two covers be parallel to each other are one group, one group with other one group mutually vertical, axial gravity center adjusting mechanism is symmetrically placed in circumferential gravity center adjusting mechanism both sides and vertical with circumferential gravity center adjusting mechanism, and both form three-dimensional structure.
2. three-dimensional center of gravity regulating mechanism according to claim 1, it is characterized in that: described circumferential gravity center adjusting mechanism by screw rod (1), pilot bar (2), supporting seat (3), turn round wheel (4), counterweight (5) and lock screw (6) and form, described screw rod (1) and pilot bar (2) are parallel to each other, and fixed by monosymmetric supporting seat (3), counterweight (5) is through screw rod (1) and pilot bar (2), turn round wheel (4) and lock screw (6) is placed on supporting seat (3), lock screw (6) is for locking counterweight (5).
3. three-dimensional center of gravity regulating mechanism according to claim 1, it is characterized in that: described axial regulating mechanism is made up of guide rail (7), lock screw (8), jam nut (9), plain cushion (10), bullet pad (11) and fixture (12), described guide rail (7) is through fixture (12), lock screw (8), jam nut (9), plain cushion (10) and bullet pad (11) are placed in fixture (12) side, and fixture (12) is for fixing object under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847859.1U CN204750476U (en) | 2014-12-29 | 2014-12-29 | Three -dimensional focus adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847859.1U CN204750476U (en) | 2014-12-29 | 2014-12-29 | Three -dimensional focus adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204750476U true CN204750476U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420847859.1U Expired - Fee Related CN204750476U (en) | 2014-12-29 | 2014-12-29 | Three -dimensional focus adjustment mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN204750476U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628234A (en) * | 2017-09-07 | 2018-01-26 | 天津津航技术物理研究所 | A kind of gravity adjusting device and method based on threaded engagement principle |
| CN107680451A (en) * | 2017-10-23 | 2018-02-09 | 广西联壮科技股份有限公司 | A kind of changeable gravity centre swing rod |
| CN112557503A (en) * | 2020-11-23 | 2021-03-26 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Pressure-bearing equipment fillet weld phased array detection wall-climbing robot and working method thereof |
-
2014
- 2014-12-29 CN CN201420847859.1U patent/CN204750476U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628234A (en) * | 2017-09-07 | 2018-01-26 | 天津津航技术物理研究所 | A kind of gravity adjusting device and method based on threaded engagement principle |
| CN107680451A (en) * | 2017-10-23 | 2018-02-09 | 广西联壮科技股份有限公司 | A kind of changeable gravity centre swing rod |
| CN107680451B (en) * | 2017-10-23 | 2024-01-09 | 广西联壮科技股份有限公司 | Swing rod with changeable gravity center |
| CN112557503A (en) * | 2020-11-23 | 2021-03-26 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Pressure-bearing equipment fillet weld phased array detection wall-climbing robot and working method thereof |
| CN112557503B (en) * | 2020-11-23 | 2024-04-02 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Wall climbing robot for detecting fillet weld phased array of pressure-bearing equipment and working method thereof |
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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: 20151111 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |