CN212358628U - Concentric hemisphere fixed hinge support - Google Patents
Concentric hemisphere fixed hinge support Download PDFInfo
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- CN212358628U CN212358628U CN202020903733.7U CN202020903733U CN212358628U CN 212358628 U CN212358628 U CN 212358628U CN 202020903733 U CN202020903733 U CN 202020903733U CN 212358628 U CN212358628 U CN 212358628U
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Abstract
The utility model relates to a concentric hemisphere fixed hinge support, this concentric hemisphere fixed hinge support include connecting rod, concave component, protruding component, tensile member, slip resistance to compression board an and slip resistance to compression board b, and protruding component has the hemisphere boss of upwards uplift, and the hemisphere boss has the inner chamber, and the inner chamber top surface is interior arc surface, and the hemisphere groove cover of concave component is on protruding component hemisphere boss, and tensile member is arranged in the inner chamber of protruding component hemisphere boss, and the connecting rod links into whole with concave component and tensile member. The utility model discloses constitute with the structure of utmost point creativity, perfect utilization concentric circles rotation advantage and slip resistance to compression board material characteristic, make it all can reach the universal nimble pivoted purpose when restraint displacement in various stress. Various defects of the conventional method are well overcome.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a concentric hemisphere fixed hinge support.
Background
With the increasing demand of society for multifunction and diversity of buildings, the building structure is more and more complex. Meanwhile, the field of building structures has been rapidly developed with the flexibility and wide applicability of steel structures. The improvement of the complexity of the building steel structure promotes more advanced structure analysis technology and higher structure analysis tools, so that the structure analysis technology becomes more refined, and naturally, a support matched with the structure analysis technology is connected to serve as a boundary condition. Therefore, the more reliable support connection technology is a precondition for ensuring the advancement of the building structure analysis technology.
In a complex space steel structure, an ideal fixed hinged support is often needed, the requirement of displacement limitation is met, and rotation constraint is flexibly released. At present, a steel ball hinged support as shown in figure 1 is adopted. The support can limit displacement, but is easy to be clamped when being subjected to horizontal load and upward tensile load, and cannot achieve the purpose of flexible rotation. In addition, the fixed hinge support has a small rotation angle and cannot meet the requirement of large-angle rotation.
Disclosure of Invention
The utility model provides a concentric hemisphere fixed hinge support will solve current support and can't realize the restraint displacement under different stress state, satisfies the nimble pivoted technical problem of wide-angle simultaneously.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the concentric hemisphere fixed hinge support comprises a connecting rod, a concave component, a convex component, a tensile component, a sliding pressure resisting plate a and a sliding pressure resisting plate b;
the bottom surface of the convex component is a plane and is provided with an upwards-bulged hemispherical boss, a horizontal flange is arranged at the periphery of the hemispherical boss, a vertical through hole is formed in the center of the hemispherical boss, an inner cavity is formed in the inner side of the hemispherical boss, the top surface of the inner cavity is an inner arc surface, and the inner arc surface and the outer arc surface of the hemispherical boss have the same circle center;
the top surface of the concave component is a plane, the concave component is provided with a downward hemispherical groove, the hemispherical groove of the concave component covers the hemispherical boss of the convex component, and a sliding pressure-resistant plate a is padded between the hemispherical boss and the hemispherical groove; the bottom of the concave component is provided with a horizontal bottom edge at the periphery of the hemispherical groove; a space S1 is left between the bottom edge of the female component and the flange of the male component;
the tensile member is positioned in the inner cavity of the hemispherical boss of the convex member, the upper part of the tensile member is a spherical crown, and a sliding pressure-resistant plate b is padded between the spherical crown and the inner arc surface of the hemispherical boss; the lower part of the tensile member is a cylinder, and a space S3 is reserved between the side surface of the cylinder of the tensile member and the side wall of the inner cavity of the hemispherical boss;
the connecting rod connects the concave component and the tensile component into a whole, the upper part of the connecting rod is connected with the vertical central shaft of the concave component, the middle part of the connecting rod passes through the vertical through hole at the center of the hemispherical boss of the convex component, a space S2 is reserved between the connecting rod and the hole wall of the vertical through hole, and the lower part of the connecting rod is connected with the vertical central shaft of the tensile component;
the sliding pressure resisting plate a and the sliding pressure resisting plate b have the same circle center c.
Further, the top cross section of the female member is rectangular or circular.
Further, the connecting rod, the concave member and the tensile member are metal members; the convex member is a metal member.
Further, the sliding compression-resistant plate a and the sliding compression-resistant plate b are polytetrafluoroethylene plates.
Furthermore, the connecting rod, the concave member and the tensile member are of an integral structure, or the connecting rod, the concave member and the tensile member are welded and fixed, or the upper end and the lower end of the connecting rod are respectively longer than the concave member and the tensile member and are fixedly connected by bolts.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses perfect utilization concentric circles rotation advantage and slip resistance to compression plate material characteristic, combine the structure of utmost point creativity to constitute, make it all can reach the universal nimble pivoted purpose when retraining the displacement in various stress state, fine solution the various drawbacks of conventional way.
Drawings
Fig. 1 is a schematic structural view of a conventional fixed hinge support.
Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 3 is a schematic view of the connection of the connecting rods, the female members and the tensile members.
Fig. 4 is a schematic structural view of the male member.
Fig. 5 is a schematic perspective view of a first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 7 is a schematic perspective view of a second embodiment of the present invention.
Reference numerals: 1-connecting rod, 2-concave component, 2.1-hemispherical groove, 2.2-bottom edge, 3-convex component, 3.1-hemispherical boss, 3.2-flange, 3.3-external arc surface, 3.4-internal arc surface, 3.5-vertical through hole, 4-tensile component, 5-sliding pressure-resisting plate a, 6-sliding pressure-resisting plate b, 7-closing plate and 8-stabilizing piece.
Detailed Description
First embodiment, as shown in fig. 2 to 5, the concentric hemisphere fixing hinge support of the present invention includes a connecting rod 1, a concave member 2, a convex member 3, a tensile member 4, a sliding resistive plate a5, and a sliding resistive plate b 6.
As shown in fig. 2 and 4, the bottom surface of the convex component 3 is a plane, and is provided with an upward raised semispherical boss 3.1, and a horizontal flange 3.2 is arranged at the periphery of the semispherical boss; the center of the hemispherical boss 3.1 is provided with a vertical through hole 3.5, the inner side of the hemispherical boss 3.1 is provided with an inner cavity, the top surface of the inner cavity is an inner arc surface 3.4, and the inner arc surface 3.4 and the outer arc surface 3.3 of the hemispherical boss have the same circle center.
As shown in fig. 2 and 3, the top surface of the female member 2 is a plane, and the top cross section may be rectangular, circular, or other shapes. The concave component 2 is provided with a downward hemispherical groove 2.1, the hemispherical groove 2.1 of the concave component 2 covers the hemispherical boss 3.1 of the convex component 3, and a sliding pressure-resistant plate a is padded between the hemispherical boss 3.1 and the hemispherical groove 2.1; the bottom of the concave component is provided with a bottom edge 2.2 in the horizontal direction at the periphery of the hemispherical groove 2.1; a space S1 remains between the bottom edge 2.2 of the female member and the flange 3.2 of the male member.
As shown in fig. 2 and 3, the tensile member 4 is located in the inner cavity of the hemispherical convex platform 3.1 of the convex member 3, the upper part of the tensile member 4 is a spherical crown, and a sliding pressure-resistant plate b is padded between the spherical crown and the inner arc surface 3.4 of the hemispherical convex platform; the lower part of the tensile member 4 is cylindrical, and a space S3 is reserved between the cylindrical side surface of the tensile member 4 and the side wall of the inner cavity of the hemispherical boss 3.1.
As shown in fig. 2 and 3, the connecting bar integrally connects the female member 2 and the tensile member 4. Connecting rod 1 upper portion is connected in the vertical center pin department of concave component 2, and connecting rod 1 middle part passes the vertical through-hole 3.5 at the hemisphere boss center of protruding component 3, has interval S2 between the pore wall of connecting rod 1 and vertical through-hole 3.5, and connecting rod 1 sub-unit connection is in the vertical center pin department of tensile member 4.
The connecting rod, the concave component and the tensile component can be directly connected by threads, or the upper end and the lower end of the connecting rod are respectively extended out of the concave component and the tensile component and fixedly connected by bolts. The connecting rod, the concave component and the tensile component can be of an integral structure, or are connected by welding, and can also be connected by other modes.
The connecting rod, the concave component and the tensile component are steel components and can also be components made of other materials meeting the strength requirement. The convex component is a steel component and can also be a component made of other materials meeting the strength requirement.
As shown in fig. 2, the slide resistive plate a5 and the slide resistive plate b6 have the same center c. The material of the sliding pressure-resistant plate is preferably a polytetrafluoroethylene plate, and other high polymer plates with similar material properties can also be adopted.
Second, referring to fig. 6 and 7, the bottom of the male member may be closed by a sealing plate to form an inner cavity. A space can be reserved between the sealing plate and the tensile member.
The method for installing the concentric hemisphere fixed hinged support comprises the following steps:
and 4, connecting a sealing plate 7 with the convex component 3 to seal the inner cavity of the convex component.
After step 4, at least four stabilizing sheets 8 distributed along the circumference can be connected to the gap between the bottom edge of the concave member 2 and the flange of the convex member 3 to ensure the stability of the member before the support is installed, and the stabilizing sheets 8 are cut off after the support is installed. As shown in fig. 2.
The load transmission method of the concentric hemisphere fixed hinged support comprises the following steps:
when the support is pressed in the Y direction, the concave member 2 and the convex member 3 have opposite movement trends, radial pressure is transmitted through the sliding pressure resisting plate a between the concave member 2 and the convex member 3, the resultant pressure force is the same as the external pressure, the concave member 2 and the convex member 3 are both in a pressed state, and the connecting rod 1 and the tensile member 4 are in a zero-stress state, so that the purpose of limiting the displacement generated by the Y-direction pressure is achieved.
When the support is subjected to Y-direction tensile force, the connecting rod 1, the concave component 2, the convex component 3 and the tensile component 4 work together as a whole; at this time, the concave member 2 and the convex member 3 have a separation tendency, the sliding pressure resisting plate a between the concave member 2 and the convex member 3 is in a zero stress state, the concave member 2 and the tensile member 4 are connected into a whole through the connecting rod 1, and the connecting rod 1, the concave member 2 and the tensile member 4 have the same Y forward motion tendency; at this time, the connecting rod 1 is in a tensile stress state, the convex member 3 and the tensile member 4 have opposite movement trends, the sliding pressure resisting plate b between the convex member 3 and the tensile member 4 transmits radial pressure, the resultant force of the pressure is the same as the external tensile force, and therefore the purpose of limiting the displacement generated by the Y-direction tensile force is achieved.
Under the condition that the convex member 3 is fixed, when the concave member 2 has a positive X-direction movement trend, the concave member 2 has a positive X-direction movement trend on the premise that the concave member 2 has a positive W-direction movement trend, and the W-direction is between the X-direction and the Y-direction, then the concave member 2 necessarily has a positive Y-direction movement trend, the connecting rod 1, the concave member 2 and the tensile member 4 work integrally, the tensile member 4 and the concave member 2 have the same positive Y-direction movement trend, at this time, as the convex member 3 is fixed, the convex member 3 and the tensile member 4 have opposite Y-direction movement trends, the sliding pressure resisting plate b between the convex member 3 and the tensile member 4 transmits radial pressure, so that the tensile member 4 cannot move normally in the positive Y-direction, and the connecting rod 1, the concave member 2 and the tensile member 4 work integrally, so that the connecting rod 1, the connecting rod 3 and the connecting rod 3, The concave member 2 cannot move forward in the Y direction, so that the concave member 2 cannot move forward in the W direction, and the concave member 2 cannot move forward in the X direction, thereby achieving the purpose of limiting the displacement in the X direction.
When the support is in a rotating state, the arc sliding compression-resistant plates a and b of the support have the same circle center c, and the characteristics of the sliding compression-resistant plates a and b show that the sliding compression-resistant plates can only transmit radial pressure and can slide tangentially, and the sliding compression-resistant plates can still slide tangentially when bearing the pressure, so that no matter the support is pressed or pulled, the whole of the connecting rod 1, the concave member 2 and the tensile member 4 can be in a reverse free rotating state around the circle center c together with the convex member 3, and the purpose that the fixed hinge support can rotate flexibly under any working condition is achieved. The rotation angle is determined by the sizes of the gaps S1, S2 and S3, the rotation angle is large, and the application range is wide.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a concentric hemisphere fixed hinge support which characterized in that: comprises a connecting rod, a concave component, a convex component, a tensile component, a sliding pressure-resisting plate a and a sliding pressure-resisting plate b;
the bottom surface of the convex component is a plane and is provided with an upwards-bulged hemispherical boss, a horizontal flange is arranged at the periphery of the hemispherical boss, a vertical through hole is formed in the center of the hemispherical boss, an inner cavity is formed in the inner side of the hemispherical boss, the top surface of the inner cavity is an inner arc surface, and the inner arc surface and the outer arc surface of the hemispherical boss have the same circle center;
the top surface of the concave component is a plane, the concave component is provided with a downward hemispherical groove, the hemispherical groove of the concave component covers the hemispherical boss of the convex component, and a sliding pressure-resistant plate a is padded between the hemispherical boss and the hemispherical groove; the bottom of the concave component is provided with a horizontal bottom edge at the periphery of the hemispherical groove, and a space S1 is left between the bottom edge of the concave component and the flange of the convex component;
the tensile member is positioned in the inner cavity of the hemispherical boss of the convex member, the upper part of the tensile member is a spherical crown, and a sliding pressure-resistant plate b is padded between the spherical crown and the inner arc surface of the hemispherical boss; the lower part of the tensile member is a cylinder, and a space S3 is reserved between the side surface of the cylinder of the tensile member and the side wall of the inner cavity of the hemispherical boss;
the connecting rod connects the concave component and the tensile component into a whole, the upper part of the connecting rod is connected with the vertical central shaft of the concave component, the middle part of the connecting rod passes through the vertical through hole at the center of the hemispherical boss of the convex component, a space S2 is reserved between the connecting rod and the hole wall of the vertical through hole, and the lower part of the connecting rod is connected with the vertical central shaft of the tensile component;
the sliding pressure resisting plate a and the sliding pressure resisting plate b have the same circle center c.
2. A concentric hemispherical fixed hinge support as claimed in claim 1, wherein: the top cross section of the female member is rectangular or circular.
3. A concentric hemispherical fixed hinge support as claimed in claim 2, wherein: the connecting rod, the concave member and the tensile member are metal members; the convex member is a metal member.
4. A concentric hemispherical fixed hinge support as claimed in claim 3, wherein: the sliding compression-resistant plate a and the sliding compression-resistant plate b are polytetrafluoroethylene plates.
5. A concentric hemispherical fixed hinge support as claimed in claim 1, wherein: the connecting rod, the concave component and the tensile component are of an integral structure, or the connecting rod, the concave component and the tensile component are welded and fixed, or the upper end and the lower end of the connecting rod are respectively longer than the concave component and the tensile component and are fixedly connected by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903733.7U CN212358628U (en) | 2020-05-26 | 2020-05-26 | Concentric hemisphere fixed hinge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903733.7U CN212358628U (en) | 2020-05-26 | 2020-05-26 | Concentric hemisphere fixed hinge support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212358628U true CN212358628U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020903733.7U Active CN212358628U (en) | 2020-05-26 | 2020-05-26 | Concentric hemisphere fixed hinge support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212358628U (en) |
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2020
- 2020-05-26 CN CN202020903733.7U patent/CN212358628U/en active Active
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