CN114323437A - Floating fulcrum device - Google Patents
Floating fulcrum device Download PDFInfo
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- CN114323437A CN114323437A CN202111679085.7A CN202111679085A CN114323437A CN 114323437 A CN114323437 A CN 114323437A CN 202111679085 A CN202111679085 A CN 202111679085A CN 114323437 A CN114323437 A CN 114323437A
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- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A floating fulcrum device relates to the technical field of mechanical support force transmission. The invention aims to solve the defects that the existing supporting mechanism is complex in stress and easy to generate component force. The support ball comprises an arc seat, a flat seat, a support ball, a plurality of elastic support columns and a plurality of rivets, wherein the arc seat is arranged under the flat seat, an arc groove is formed in the middle of the upper end face of the arc seat, a cylindrical groove is formed in the middle of the lower end face of the flat seat, the support ball is arranged between the arc groove and the cylindrical groove, the outer diameter of the support ball is larger than the sum of the maximum groove depth of the arc groove and the groove depth of the cylindrical groove, the elastic support columns are uniformly distributed and arranged between the arc seat and the flat seat in a floating mode along the circumferential direction, and the rivets are uniformly distributed and arranged between the arc seat and the flat seat in a floating mode along the circumferential direction. The invention is used for supporting the component and transmitting the positive pressure.
Description
Technical Field
The invention relates to the technical field of mechanical support force transmission, in particular to a floating fulcrum device.
Background
With the development of mechatronic technology, there is a need for tools that can accurately measure the center of mass of a workpiece, and therefore a support device that can transmit positive pressure without producing horizontal force components or moments is necessary. At present, most of common fulcrum devices are connected by screws and hinges. The sensor has the advantages of complex transmission force and moment, easy external force influence on the sensor and great centroid measurement precision. It is therefore desirable to develop a floating fulcrum device that transmits only positive pressure.
Disclosure of Invention
The invention aims to solve the problem that the existing supporting transmission mechanism is complex and not single in force transmission, and further provides a novel floating force transmission supporting mechanism depending on a steel ball.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a fulcrum device floats includes the circular arc seat, flat seat, support ball, a plurality of elastomeric support post and a plurality of rivet, the circular arc seat sets up under flat seat, the middle part of circular arc seat up end is equipped with the circular arc recess, the middle part of flat seat lower extreme face is equipped with the cylinder recess, be equipped with the support ball between circular arc recess and the cylinder recess, the external diameter of support ball is greater than the biggest groove depth sum of circular arc recess and cylinder recess, a plurality of elastomeric support post float along the circumferencial direction equipartition and set up between circular arc seat and flat seat, a plurality of rivets float along the circumferencial direction equipartition and set up between circular arc seat and flat seat.
Furthermore, a plurality of lower column holes are uniformly distributed in the upper end face of the arc seat along the circumferential direction, a plurality of upper column holes are uniformly distributed in the lower end face of the flat seat along the circumferential direction, each upper column hole corresponds to one lower column hole, and each elastic support column is arranged in one upper column hole and the corresponding lower column hole.
Furthermore, the upper portion of the lower column hole is a lower mounting hole, the lower portion of the lower column hole is a lower positioning hole, the aperture of the lower positioning hole is smaller than that of the lower mounting hole, the lower portion of the upper column hole is an upper mounting hole, the upper portion of the upper column hole is an upper positioning hole, the aperture of the upper positioning hole is smaller than that of the upper mounting hole, the lower portion of the elastic support column is arranged in the lower mounting hole, and the upper portion of the elastic support column is arranged in the upper mounting hole.
Further, the column length of the elastic support column is smaller than the distance between the bottom of the lower mounting hole and the bottom of the upper mounting hole when the arc seat and the flat seat are horizontal.
Furthermore, a plurality of lower riveting holes are uniformly distributed in the upper end face of the arc seat along the circumferential direction, a plurality of upper riveting holes are uniformly distributed in the lower end face of the flat seat along the circumferential direction, each upper riveting hole corresponds to one lower riveting hole, and each rivet is arranged in one upper riveting hole and the corresponding lower riveting hole.
Furthermore, the upper portion of the lower riveting hole is a lower riveting head hole, the lower portion of the lower riveting hole is a lower riveting column hole, the aperture of the lower riveting column hole is smaller than that of the lower riveting head hole, the lower portion of the upper riveting hole is an upper riveting column hole, the upper portion of the upper riveting hole is an upper riveting head hole, the aperture of the upper riveting column hole is smaller than that of the upper riveting head hole, the lower riveting head of the rivet is arranged in the lower riveting head hole, the lower riveting column of the rivet is arranged in the lower riveting column hole, the upper riveting head of the rivet is arranged in the upper riveting head hole, and the upper riveting column of the rivet is arranged in the upper riveting column hole.
Further, the distance between the rivets at the two ends of the rivet is larger than the distance between the bottom of the upper rivet hole and the bottom of the lower rivet hole when the arc seat and the flat seat are horizontal.
Further, the elastic support is an elastic rubber strip.
Further, the support balls are steel balls or ceramic balls.
Furthermore, the lower terminal surface of circular arc seat is equipped with a plurality of external screw hole down along the circumferencial direction equipartition, and the up end of flat seat is equipped with a plurality of external screw hole of going up along the circumferencial direction equipartition.
Compared with the prior art, the invention has the following beneficial effects:
firstly, floating parts such as steel balls and rivets are adopted, so that the supporting mechanism only transmits positive pressure.
And secondly, the elastic rubber strip is adopted, so that the supporting mechanism has the resetting capability.
Thirdly, the structure is compact, the integration level and the integration are high, and all parts are assembled together.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
fig. 3 is an isometric view of the overall structure of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the floating fulcrum device of the embodiment includes an arc seat 1, a flat seat 2, a support ball 4, a plurality of elastic support columns 3 and a plurality of rivets 5, wherein the arc seat 1 is disposed under the flat seat 2, an arc groove 1-1 is disposed in the middle of the upper end surface of the arc seat 1, a cylindrical groove 2-1 is disposed in the middle of the lower end surface of the flat seat 2, the support ball 4 is disposed between the arc groove 1-1 and the cylindrical groove 2-1, the outer diameter of the support ball 4 is greater than the sum of the maximum groove depth of the arc groove 1-1 and the groove depth of the cylindrical groove 2-1, the plurality of elastic support columns 3 are uniformly distributed and float between the arc seat 1 and the flat seat 2 along the circumferential direction, and the plurality of rivets 5 are uniformly distributed and float between the arc seat 1 and the flat seat 2 along the circumferential direction.
In the present embodiment, the arc seat 1 and the flat seat 2 are coaxially disposed.
The arc seat 1 and the flat seat 2 are provided with arc grooves 1-1 and cylindrical grooves 2-1, supporting balls 4 can be placed in the arc seats 1 and the flat seat 2, and the supporting balls 4 are subjected to normal positive pressure only from the arc seats 1 and the flat seat 2.
The arc seat 1 and the flat seat 2 are connected through the elastic support columns 3 and the rivets 5, but gaps exist in connection, and the support balls 4, the arc seat 1 and the flat seat 2 can swing in a small range.
Have the hole of looks phase place between circular arc seat 1 and the flat seat 2 for place elastic support post 3 and rivet 5, place support ball 4 in the centre, rivet 5 is connected circular arc seat 1 and flat seat 2, prevents that support ball 4 from droing.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, in the embodiment, a plurality of lower column holes 1-2 are uniformly distributed on the upper end surface of the arc seat 1 along the circumferential direction, a plurality of upper column holes 2-2 are uniformly distributed on the lower end surface of the flat seat 2 along the circumferential direction, each upper column hole 2-2 is respectively arranged corresponding to one lower column hole 1-2, and each elastic support column 3 is respectively arranged in one upper column hole 2-2 and the corresponding lower column hole 1-2. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: referring to fig. 1 to 3, the present embodiment is described, in which the upper portion of the lower column hole 1-2 is a lower mounting hole, the lower portion of the lower column hole 1-2 is a lower positioning hole, the diameter of the lower positioning hole is smaller than that of the lower mounting hole, the lower portion of the upper column hole 2-2 is an upper mounting hole, the upper portion of the upper column hole 2-2 is an upper positioning hole, the diameter of the upper positioning hole is smaller than that of the upper mounting hole, the lower portion of the elastic support column 3 is disposed in the lower mounting hole, and the upper portion of the elastic support column 3 is disposed in the upper mounting hole. Other components and connection modes are the same as those of the second embodiment.
The fourth concrete implementation mode: referring to fig. 1 to 3, the present embodiment is described, in which the length of the elastic support column 3 is smaller than the distance between the bottom of the lower mounting hole and the bottom of the upper mounting hole when the arc base 1 and the flat base 2 are horizontal. Other components and connection modes are the same as those of the third embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 3, in the embodiment, a plurality of lower riveting holes 1-3 are uniformly distributed on the upper end surface of the arc seat 1 along the circumferential direction, a plurality of upper riveting holes 2-3 are uniformly distributed on the lower end surface of the flat seat 2 along the circumferential direction, each upper riveting hole 2-3 is respectively arranged corresponding to one lower riveting hole 1-3, and each rivet 5 is respectively arranged in one upper riveting hole 2-3 and the corresponding lower riveting hole 1-3. Other components and connection modes are the same as those of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 3, in which the upper portion of the lower rivet hole 1-3 is a lower rivet hole, the lower portion of the lower rivet hole 1-3 is a lower rivet column hole, the aperture of the lower rivet column hole is smaller than the aperture of the lower rivet hole, the lower portion of the upper rivet hole 2-3 is an upper rivet column hole, the upper portion of the upper rivet hole 2-3 is an upper rivet column hole, the aperture of the upper rivet column hole is smaller than the aperture of the upper rivet column hole, the lower rivet head of the rivet 5 is disposed in the lower rivet column hole, the lower rivet column of the rivet 5 is disposed in the lower rivet column hole, the upper rivet head of the rivet 5 is disposed in the upper rivet column hole, and the upper rivet column of the rivet 5 is disposed in the upper rivet column hole. The other components and the connection mode are the same as the fifth embodiment mode.
The seventh embodiment: referring to fig. 1 to 3, the embodiment is described, in which the distance between the heads at the two ends of the rivet 5 is greater than the distance between the bottom of the upper rivet hole and the bottom of the lower rivet hole when the circular arc seat 1 and the flat seat 2 are horizontal. Other components and connection modes are the same as those of the sixth embodiment.
The circular arc seat 1 and the flat seat 2 are connected in a floating mode through the rivet 5, a gap is reserved between the rivet 5 and the circular arc seat 1 and between the rivet 5 and the flat seat 2, the rivet is not pressed, the gap is small, and the supporting ball 4 cannot fall off from a groove between the circular arc seat 1 and the flat seat 2.
The specific implementation mode is eight: the present embodiment will be described with reference to fig. 1 to 3, and the elastic support 3 of the present embodiment is an elastic rubber strip. Other components and connection modes are the same as those of the first embodiment.
The specific implementation method nine: the present embodiment is described with reference to fig. 1 to 3, and the support balls 4 in the present embodiment are steel balls or ceramic balls. Other components and connection modes are the same as those of the first embodiment.
The detailed implementation mode is ten: the embodiment is described with reference to fig. 1 to 3, in the embodiment, a plurality of lower external threaded holes 1-4 are uniformly distributed on the lower end surface of the arc seat 1 along the circumferential direction, and a plurality of upper external threaded holes 2-4 are uniformly distributed on the upper end surface of the flat seat 2 along the circumferential direction. Other components and connection modes are the same as those of the first embodiment.
The lower external threaded hole 1-4 and the upper external threaded hole 2-4 are used as external interfaces and can be connected with a force sensor or other parts.
The number of the lower external threaded holes 1-4 and the number of the upper external threaded holes 2-4 are three.
The number of the elastic support columns 3 and the number of the rivets 5 are three.
An elastic support column 3 and a rivet 5 are respectively arranged between every two adjacent lower external threaded holes 1-4 or upper external threaded holes 2-4, namely the elastic support column 3, the rivet 5 and the lower external threaded holes 1-4 (or the upper external threaded holes 2-4) are uniformly distributed and alternately arranged.
Principle of operation
A floating fulcrum device comprises an arc seat 1, a flat seat 2, an elastic support column 3, a support ball 4 and a rivet 5. There is the hole of looks phase place between arc seat 1 and the flat seat 2 for place 3 elastic support 3 and rivet 5, place support ball 4 in the centre, rivet 5 is connected arc seat 1 and flat seat 2, prevents that support ball 4 from droing. Because the geometrical characteristics of the supporting ball 4, only positive pressure is transmitted among the arc seat 1, the flat seat 2 and the supporting ball 4, no horizontal component force and moment transmission exist, the floating elastic support column 3 has the resetting capability, and the rivet 5 is connected with the arc seat 1 and the flat seat 2, so that the supporting ball 4 cannot fall off in the use and transportation processes.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A floating fulcrum device, characterized by: the novel elastic support comprises an arc seat (1), a flat seat (2), a support ball (4), a plurality of elastic support columns (3) and a plurality of rivets (5), wherein the arc seat (1) is arranged under the flat seat (2), an arc groove (1-1) is arranged in the middle of the upper end surface of the arc seat (1), a cylindrical groove (2-1) is arranged in the middle of the lower end surface of the flat seat (2), the support ball (4) is arranged between the arc groove (1-1) and the cylindrical groove (2-1), the outer diameter of the support ball (4) is larger than the sum of the maximum groove depth of the arc groove (1-1) and the groove depth of the cylindrical groove (2-1), a plurality of elastic support columns (3) are evenly distributed and float along the circumferential direction and are arranged between the arc seat (1) and the flat seat (2), and a plurality of rivets (5) are evenly distributed and float along the circumferential direction and are arranged between the arc seat (1) and the flat seat (2).
2. The floating fulcrum assembly of claim 1, wherein: the upper end face of the arc seat (1) is uniformly provided with a plurality of lower column holes (1-2) along the circumferential direction, the lower end face of the flat seat (2) is uniformly provided with a plurality of upper column holes (2-2) along the circumferential direction, each upper column hole (2-2) is correspondingly arranged with one lower column hole (1-2), and each elastic support column (3) is respectively arranged in one upper column hole (2-2) and the corresponding lower column hole (1-2).
3. The floating fulcrum assembly of claim 2, wherein: the upper portion of lower post hole (1-2) is lower mounting hole, the lower portion of lower post hole (1-2) is lower locating hole, the aperture of lower locating hole is less than the aperture of lower mounting hole, the lower portion of upper post hole (2-2) is upper mounting hole, the upper portion of upper post hole (2-2) is upper locating hole, the aperture of upper locating hole is less than the aperture of upper mounting hole, the lower part of elastic support post (3) sets up in lower mounting hole, the upper portion of elastic support post (3) sets up in upper mounting hole.
4. A floating fulcrum arrangement according to claim 3, wherein: the length of the elastic support column (3) is smaller than the distance between the bottom of the lower mounting hole and the bottom of the upper mounting hole when the arc seat (1) and the flat seat (2) are horizontal.
5. A floating fulcrum device according to claim 1, 2, 3 or 4, wherein: the upper end surface of the arc seat (1) is uniformly provided with a plurality of lower riveting holes (1-3) along the circumferential direction, the lower end surface of the flat seat (2) is uniformly provided with a plurality of upper riveting holes (2-3) along the circumferential direction, each upper riveting hole (2-3) is correspondingly arranged with one lower riveting hole (1-3), and each rivet (5) is respectively arranged in one upper riveting hole (2-3) and the corresponding lower riveting hole (1-3).
6. The floating fulcrum assembly of claim 5, wherein: the upper portion of the lower riveting hole (1-3) is a lower riveting head hole, the lower portion of the lower riveting hole (1-3) is a lower riveting column hole, the aperture of the lower riveting column hole is smaller than that of the lower riveting head hole, the lower portion of the upper riveting hole (2-3) is an upper riveting column hole, the upper portion of the upper riveting hole (2-3) is an upper riveting head hole, the aperture of the upper riveting column hole is smaller than that of the upper riveting head hole, the lower riveting head of the rivet (5) is arranged in the lower riveting head hole, the lower riveting column of the rivet (5) is arranged in the lower riveting column hole, the upper riveting head of the rivet (5) is arranged in the upper riveting head hole, and the upper riveting column of the rivet (5) is arranged in the upper riveting column hole.
7. The floating fulcrum assembly of claim 6, wherein: the distance between the rivets at the two ends of the rivet (5) is larger than the distance between the bottom of the upper rivet hole and the bottom of the lower rivet hole when the arc seat (1) and the flat seat (2) are horizontal.
8. The floating fulcrum assembly of claim 1, wherein: the elastic support column (3) is an elastic rubber strip.
9. The floating fulcrum assembly of claim 1, wherein: the supporting balls (4) are steel balls or ceramic balls.
10. The floating fulcrum assembly of claim 1, wherein: the lower end face of the arc seat (1) is uniformly provided with a plurality of lower external threaded holes (1-4) along the circumferential direction, and the upper end face of the flat seat (2) is uniformly provided with a plurality of upper external threaded holes (2-4) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679085.7A CN114323437A (en) | 2021-12-31 | 2021-12-31 | Floating fulcrum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679085.7A CN114323437A (en) | 2021-12-31 | 2021-12-31 | Floating fulcrum device |
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| Publication Number | Publication Date |
|---|---|
| CN114323437A true CN114323437A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111679085.7A Pending CN114323437A (en) | 2021-12-31 | 2021-12-31 | Floating fulcrum device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130500A (en) * | 1998-10-26 | 2000-05-12 | Okumura Corp | Vibration suppressing device |
| JP2006299772A (en) * | 2005-04-18 | 2006-11-02 | Shotaro Sato | Base isolation device |
| CN204594625U (en) * | 2015-02-12 | 2015-08-26 | 上海卫星装备研究所 | A kind of high precision mass property force transfering device |
| CN206884264U (en) * | 2017-06-29 | 2018-01-16 | 江苏中领五金科技发展有限公司 | Floating type finishing die |
| CN110258813A (en) * | 2019-06-30 | 2019-09-20 | 华中科技大学 | A kind of high-bearing capacity tensile shock isolation device with two-way sliding support |
| WO2020171275A1 (en) * | 2019-02-19 | 2020-08-27 | 이상희 | Seismic isolation device using ball and spring |
| KR102198672B1 (en) * | 2019-10-14 | 2021-01-05 | (주) 탐진씨앤에스 | Distribution panel with earthquake-proof function |
-
2021
- 2021-12-31 CN CN202111679085.7A patent/CN114323437A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130500A (en) * | 1998-10-26 | 2000-05-12 | Okumura Corp | Vibration suppressing device |
| JP2006299772A (en) * | 2005-04-18 | 2006-11-02 | Shotaro Sato | Base isolation device |
| CN204594625U (en) * | 2015-02-12 | 2015-08-26 | 上海卫星装备研究所 | A kind of high precision mass property force transfering device |
| CN206884264U (en) * | 2017-06-29 | 2018-01-16 | 江苏中领五金科技发展有限公司 | Floating type finishing die |
| WO2020171275A1 (en) * | 2019-02-19 | 2020-08-27 | 이상희 | Seismic isolation device using ball and spring |
| CN110258813A (en) * | 2019-06-30 | 2019-09-20 | 华中科技大学 | A kind of high-bearing capacity tensile shock isolation device with two-way sliding support |
| KR102198672B1 (en) * | 2019-10-14 | 2021-01-05 | (주) 탐진씨앤에스 | Distribution panel with earthquake-proof function |
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