CN212896928U - Spherical hinge seat for eliminating damper connecting gap - Google Patents
Spherical hinge seat for eliminating damper connecting gap Download PDFInfo
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- CN212896928U CN212896928U CN202021519228.9U CN202021519228U CN212896928U CN 212896928 U CN212896928 U CN 212896928U CN 202021519228 U CN202021519228 U CN 202021519228U CN 212896928 U CN212896928 U CN 212896928U
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- knuckle bearing
- hinge seat
- seat
- damper
- angular contact
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Abstract
The patent of the utility model relates to a attenuator technical field, concretely relates to articulated seat of sphere for eliminating attenuator joint gap. The spherical hinge seat comprises a hinge seat adjusting ring, a hinge seat spacer bush, a hinge seat mandrel and an angular contact thrust knuckle bearing which are sequentially arranged on a hinge seat body, wherein the angular contact thrust knuckle bearing comprises a knuckle bearing outer ring and a knuckle bearing inner ring on the inner side of the knuckle bearing outer ring, the knuckle bearing outer ring is fixed in the hinge seat body, two ends of a shaft shoulder of the hinge seat mandrel are oppositely and respectively provided with the angular contact thrust knuckle bearing, the two angular contact thrust knuckle bearing mandrels are overlapped, and the left end of the hinge seat mandrel is connected with a nut. The utility model provides a reliable performance is used for eliminating articulated seat of sphere in attenuator joint gap, when guaranteeing that the attenuator deflects 6 functions along articulated centre of sphere, can thoroughly eliminate the joint gap of attenuator, improves the damping performance.
Description
Technical Field
The patent of the utility model relates to a attenuator technical field, concretely relates to articulated seat of sphere for eliminating attenuator joint gap.
Background
At present, the two ends of the hinged damper used in China are connected by the pin shaft 8 and the node base 2. As shown in fig. 2, the embedded part 5 is integrally cast with the upper cantilever wall 12 and the lower cantilever wall 11, the node base 2 is fixed with the embedded part 5 by welding, and the two ends of the connecting damper 4 are respectively provided with a damper joint bearing 43 to be matched with the pin shaft 8. The damper knuckle bearing 43 allows a ± 6 ° deflection along the center of the sphere, ensuring that the damper is stressed as a two-force rod member.
According to the regulation of JGJ297-2013, namely building energy dissipation and shock absorption technical rules 8.5.2, when energy dissipation components are connected in a hinged mode, the gap between the energy dissipation components and hinged pieces such as pin bolts or spherical hinges and the like meets the requirements of design documents, and when the design documents do not have the requirements, the gap is not larger than 0.3 mm. Because the pin shaft 8 and the node seat 2 are allowed to have a gap, the pin shaft 8 and the damper knuckle bearing 43 hole have a gap, and the damper knuckle bearing has a bearing clearance (the radial clearance of the bearings of the common series is 0.12-0.16 mm) for the rotatable design, the total limit clearance on one side is accumulated to be about 0.74mm, and the total limit clearance on both sides is nearly 1.5 mm. And the 'JGJ 297-2013 article specification of building energy dissipation and shock absorption' 8.5.2 is clear, when the energy dissipation components are connected in a hinged mode, the connection gaps can influence the exertion of the energy dissipation performance of the energy dissipation components, and in order to reduce the influence of the energy dissipation components on the structural shock absorption performance, corresponding regulations are required to be made on the gaps between the energy dissipation components and hinged pieces such as pin bolts or ball hinges when the energy dissipation components are connected in the hinged mode.
Therefore, the existence of the connecting gap is inevitably caused by adopting the prior art, the energy dissipation performance of the energy dissipation component can be effectively exerted by eliminating the connecting gap, and the influence of the energy dissipation component on the structural damping performance is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a reliable performance be used for eliminating the articulated seat of sphere in attenuator joint gap, when guaranteeing that the attenuator deflects 6 functions along articulated centre of sphere, can thoroughly eliminate the joint gap of attenuator, improve the damping performance.
The technical scheme of the utility model is realized like this: the utility model provides a spherical surface hinge seat for eliminating attenuator joint gap, includes and installs hinge seat adjusting collar, hinge seat spacer, hinge seat dabber and angular contact thrust oscillating bearing on hinge seat body in proper order, its characterized in that: the angular contact thrust knuckle bearing comprises a knuckle bearing outer ring and a knuckle bearing inner ring on the inner side of the knuckle bearing outer ring, the knuckle bearing outer ring is fixed in a hinge base seat body, two angular contact thrust knuckle bearings are oppositely mounted at two ends of a shaft shoulder of a hinge base mandrel, the spherical centers of the two angular contact thrust knuckle bearings are overlapped, and the left end of the hinge base mandrel is connected with a nut.
The angular contact thrust knuckle bearing enables the spherical centers of the two knuckle bearing inner rings to be overlapped by controlling the width of a shaft shoulder of the hinge seat mandrel, and the two knuckle bearing inner rings with overlapped spherical centers drive the corresponding knuckle bearing outer rings to keep concentric and rotate along the spherical centers.
The angular contact thrust knuckle bearing enables the hinging seat spacer bush to push the knuckle bearing outer ring to move by screwing the hinging seat adjusting ring, applies pre-tightening and eliminates a clearance.
Preferably, the mandrel of the hinged seat can rotate +/-6 degrees along the spherical centers of the outer rings of the two joint bearings, so that the damper is a two-force rod stress component.
Preferably, the external thread structure of articulated seat dabber through the left end with be connected the attenuator spiro union, the axial pretension is applyed through the nut to articulated seat dabber for eliminate the thread clearance of articulated seat dabber and connection attenuator.
The spherical hinge seat is connected with the node seat through a bolt and nut pair, and a bolt connecting gap is eliminated by applying a pre-tightening torque.
Preferably, the connection damper is a viscous fluid damper, a friction damper, a viscoelastic damper, a buckling restrained brace, an eddy current damper or a magnetorheological damper.
The utility model provides an existing defect among the background art, have following beneficial effect:
the utility model provides a reliable performance is used for eliminating articulated seat of sphere in attenuator joint gap, when guaranteeing the attenuator along articulated centre of sphere deflection function, can thoroughly eliminate the joint gap of attenuator, improves the damping performance. The utility model thoroughly solves the connection clearance caused by the matching of the pin shafts by canceling the traditional pin shaft structure, and eliminates the thread clearance by applying pretension to the connection thread; bearing play is eliminated through pre-tightening the two angular contact thrust knuckle bearings, and the spherical centers of the two angular contact thrust knuckle bearings installed oppositely are overlapped, so that the function that the deflection of the damper along the hinged spherical center is larger than +/-6 degrees is ensured. The utility model discloses a comprehensive application of above measure realizes the elimination of attenuator joint gap under the prerequisite of ensureing that the attenuator is two power poles atress components to the energy dissipation performance of effective performance energy dissipation part thoroughly eliminates the influence of joint gap to structural damping performance.
Drawings
FIG. 1 is a schematic view of a prior art hinge joint damper connection;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the connection structure of the present invention;
in the figure: 11-lower cantilever wall, 12-upper cantilever wall, 2-node seat, 3-spherical hinged seat, 31-hinged seat body, 32-hinged seat adjusting ring, 33-hinged seat spacer bush, 34-hinged seat mandrel, 4-connection damper, 41-damper piston rod, 42-damper cylinder, 43-damper joint bearing, 5-embedded part, 6-bolt-nut pair, 7-nut, 8-pin shaft, 9-angular contact thrust joint bearing, 91-joint bearing outer ring and 92-joint bearing inner ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The spherical hinge base embodiment for eliminating the connection gap of the damper as shown in fig. 1 and fig. 3 includes a hinge base body 31, and two angular contact thrust knuckle bearings 9 respectively installed at two ends of a shaft shoulder of a hinge base core shaft 34 disposed in the hinge base body 31. The hinged seat body 31 adopts the hinged seat adjusting ring 32 in threaded connection, and the hinged seat spacer 33 pushes the knuckle bearing outer ring 91 of the angular contact thrust knuckle bearing 9 by screwing the hinged seat adjusting ring 32, so that the two angular contact thrust knuckle bearings 9 installed in opposite directions apply pre-tightening to eliminate play. The width of the shaft shoulder of the hinge base mandrel 34 is controlled to ensure that the spherical centers of the joint bearing inner rings 92 of the two angular contact thrust joint bearings 9 are overlapped, and the two joint bearing inner rings 92 with the overlapped spherical centers can drive the hinge base mandrel 34 to rotate along the spherical centers on the spherical surfaces of the two concentric joint bearing outer rings 91. The left end of the hinged base mandrel 34 is of an external thread structure, the hinged base mandrel is connected with the connecting damper 4 through threads, and the nut 7 can pre-tighten the threads after connection and is used for eliminating the thread clearance between the hinged base mandrel 34 and the connecting damper 4. The two angular contact thrust knuckle bearings 9 oppositely arranged at the two ends of the shaft shoulder of the hinge seat mandrel 34 can ensure that the spherical hinge seat 3 can bear both tension and pressure.
The working process of the embodiment is as follows: as shown in fig. 3, the spherical hinge base 3 is connected with the node base 2 by using a bolt and nut pair 6, a bolt connection gap can be eliminated by applying a proper pre-tightening torque, the node base 2 is fixed with the embedded part 5 by adopting a welding mode, and the embedded part 5 is integrally poured with the upper cantilever wall 12 and the lower cantilever wall 11. The piston rod 41 connected with the damper 4 is screwed with one hinge base mandrel 34 by adopting internal threads, and the damper cylinder 42 is connected with the other hinge base mandrel 34 by adopting internal threads. The utility model discloses cancelled traditional 8 structures of round pin axle and thoroughly solved because of the joint clearance that round pin axle 8 cooperations brought, eliminated the screw thread clearance through the pretension to connecting thread, eliminated the bearing play through the pretension to two angular contact thrust oscillating bearings 9, through two angular contact thrust oscillating bearings 9 of subtend installation and make its centre of sphere coincide, ensured that the attenuator is greater than the function of +/-6 along articulated centre of sphere deflection. Through the comprehensive application of the measures, the damper 4 is ensured to be a two-force rod stressed component, the connection gap of the damper is eliminated, the energy dissipation performance of the energy dissipation component is effectively exerted through eliminating the connection gap, and the influence of the connection gap on the damping performance of the structure is thoroughly eliminated.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides an articulated seat of sphere for eliminating attenuator joint gap, includes articulated seat adjusting collar (32), articulated seat spacer (33), articulated seat dabber (34) and angular contact thrust oscillating bearing (9) of installing in proper order on articulated seat pedestal (31), its characterized in that: the angular contact thrust knuckle bearing (9) comprises a knuckle bearing outer ring (91) and a knuckle bearing inner ring (92) on the inner side of the knuckle bearing outer ring, the knuckle bearing outer ring (91) is fixed in a hinged seat base body (31), two ends of a shaft shoulder of a hinged seat mandrel (34) are oppositely provided with the angular contact thrust knuckle bearing (9), the ball centers of the two angular contact thrust knuckle bearings (9) are overlapped, and the left end of the hinged seat mandrel (34) is connected with a nut (7).
2. The spherical hinge seat for eliminating damper joint clearance according to claim 1, wherein: the angular contact thrust knuckle bearing (9) enables the spherical centers of the two knuckle bearing inner rings (92) to be overlapped by controlling the width of a shaft shoulder of the hinge seat mandrel (34), and the two knuckle bearing inner rings (92) with overlapped spherical centers drive the corresponding knuckle bearing outer rings (91) to keep concentric and rotate along the spherical centers.
3. The spherical hinge seat for eliminating damper joint clearance according to claim 1, wherein: the angular contact thrust knuckle bearing (9) enables a hinge seat spacer bush (33) to push a knuckle bearing outer ring (91) to move by screwing a hinge seat adjusting ring (32), applies pre-tightening and eliminates a play.
4. The spherical hinge seat for eliminating damper joint clearance according to claim 2, wherein: the hinge seat mandrel (34) can rotate +/-6 degrees along the spherical centers of the two joint bearing outer rings (91), so that the damper is a two-force rod stress component.
5. The spherical hinge seat for eliminating damper joint clearance according to claim 1, wherein: articulated seat dabber (34) are through the external screw thread structure of left end and be connected attenuator (4) spiro union, articulated seat dabber (34) apply axial pretension through nut (7) for eliminate the thread clearance of articulated seat dabber (34) and connection attenuator (4).
6. The spherical hinge seat for eliminating damper joint clearance according to claim 1, wherein: the spherical hinge seat (3) is connected with the node seat (2) through a bolt and nut pair (6), and a bolt connection gap is eliminated by applying a pre-tightening torque.
7. The spherical hinge seat for eliminating damper joint clearance according to claim 5, wherein: the connecting damper (4) is a viscous fluid damper, a friction damper, a visco-elastic damper, a buckling restrained brace, an eddy current damper or a magneto-rheological damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021519228.9U CN212896928U (en) | 2020-07-28 | 2020-07-28 | Spherical hinge seat for eliminating damper connecting gap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021519228.9U CN212896928U (en) | 2020-07-28 | 2020-07-28 | Spherical hinge seat for eliminating damper connecting gap |
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| Publication Number | Publication Date |
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| CN212896928U true CN212896928U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021519228.9U Active CN212896928U (en) | 2020-07-28 | 2020-07-28 | Spherical hinge seat for eliminating damper connecting gap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116275946A (en) * | 2023-03-20 | 2023-06-23 | 至新自动化(北京)有限公司 | Hinge mechanism with zero clearance and quantitatively adjustable rigidity for six-degree-of-freedom parallel platform |
-
2020
- 2020-07-28 CN CN202021519228.9U patent/CN212896928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116275946A (en) * | 2023-03-20 | 2023-06-23 | 至新自动化(北京)有限公司 | Hinge mechanism with zero clearance and quantitatively adjustable rigidity for six-degree-of-freedom parallel platform |
| CN116275946B (en) * | 2023-03-20 | 2023-10-27 | 至新自动化(北京)有限公司 | Hinge mechanism with zero clearance and quantitatively adjustable rigidity for six-degree-of-freedom parallel platform |
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Effective date of registration: 20230814 Address after: 213119 Xi Xiang Village, Hengshan Bridge Town, Wujin District, Changzhou, Jiangsu Patentee after: GELIN (CHANGZHOU) ELECTRICAL POWER MACHINE-BUILDING CO.,LTD. Address before: Plot D-2-4-1 D-2-4-2, International Printing and Packaging City, Industrial Park, Guandu District, Kunming City, Yunnan Province, 650217 Patentee before: Zhenan Science and Technology Co.,Ltd. |