Limiting tension-compression friction pendulum support
By designing the limit function and modifying ultra-high molecular weight polyethylene slider on the tension friction swing support, combining the interaction between the hook and the pin, the limit, angle and tension functions of the support are realized, solving the defects in the angle and limit of the traditional support, and achieving high accuracy and adjustability.
Patent Information
- Application Number
- CN202421883457.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The traditional tension friction swing support has defects in the angle and limit position, and cannot meet the engineering needs outside vertical pressure bearing, vertical tension bearing, and horizontal displacement.
A limit tension friction swing support is designed. By installing stainless steel plates on the arc surface of the lower and upper seat plates, and installing a modified ultra-high molecular weight polyethylene slider in the groove of the rotating block, combining the interaction between the hook and the pin shaft to achieve the limit, rotation angle and tension functions of the support.
The bearing has high accuracy and adjustability, and can adjust the limit position and swing power parameters according to specific needs, adapt to different engineering applications, and also has tensile, angle and limit functions, solving the shortcomings of traditional bearings in angle and limit.
Smart Images
Figure CN222862530U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tension-compression friction pendulum bearings, in particular to a position-limiting tension-compression friction pendulum bearing. Background Art
[0002] With the development of seismic isolation technology, tension-compression friction pendulum bearings are increasingly used in the construction field, and traditional tension-compression friction pendulum bearings can no longer meet the design requirements.
[0003] The limited tension and compression friction pendulum support is a device that combines the limit function and the vibration principle of the friction pendulum. It is mainly used to accurately control the range of motion of mechanical parts and reduce vibration in the system. Through friction and a specific swing design, it can stop the movement at the set position and effectively reduce the impact of vibration. It is widely used in machine tools, automation equipment, precision instruments and other fields that require high stability and control performance.
[0004] However, the traditional tension-compression friction pendulum bearing can only meet the requirements of vertical compression, vertical tension, and horizontal displacement, but has defects in rotation and limitation. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a limited tension-compression friction pendulum bearing, aiming to improve the problem that the traditional tension-compression friction pendulum bearing in the prior art can only meet the vertical pressure bearing, vertical tension bearing and horizontal displacement, but has defects in rotation and limiting.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a limited tension and compression friction pendulum support, including a lower seat plate, the inner top of the lower seat plate is fixedly connected with a lower arc-shaped stainless steel plate, the top of the lower arc-shaped stainless steel plate is provided with a lower modified ultra-high molecular weight polyethylene slide plate, the top of the lower modified ultra-high molecular weight polyethylene slide plate is provided with a lower rotating block, the top of the lower rotating block is provided with an intermediate body, the interior of the lower rotating block is provided with a lower pin shaft, the interior of the intermediate body is provided with a lower pin shaft, the top of the intermediate body is provided with an upper rotating block, the interior of the intermediate body is provided with an upper pin shaft, and the interior of the upper rotating block is provided with an upper pin shaft.
[0007] Furthermore, an upper modified ultra-high molecular weight polyethylene slide plate is arranged on the top of the upper rotating block, an upper curved stainless steel plate is arranged on the top of the upper modified ultra-high molecular weight polyethylene slide plate, and an upper seat plate is arranged on the top of the upper curved stainless steel plate.
[0008] Furthermore, the interior of the intermediate body is provided with limiting bolts.
[0009] Furthermore, a second sliding friction pair is provided on both sides of the upper rotating block, and a first sliding friction pair is provided on the bottom of the upper rotating block.
[0010] Furthermore, sliding friction pairs 2 are provided on both sides of the lower rotating block, and sliding friction pairs 1 are provided on the top of the lower rotating block.
[0011] The utility model has the following beneficial effects:
[0012] In the utility model, the friction pendulum support is provided with upper and lower arc-surface stainless steel plates on the arc-surface of the upper and lower seat plates, and the modified ultra-high molecular weight polyethylene slide plates are installed in the grooves of the upper and lower rotating blocks. The upper and lower seat plates are connected with the upper and lower rotating blocks by means of draw hooks, and the surfaces of the draw hooks are contacted by sliding friction pairs one and two, and the arc-surfaces in the X and Y directions can provide seismic isolation displacement, rotation angle, and tension, and the support has the functions of tensile resistance, rotation angle, and limiting.
[0013] In the utility model, the friction pendulum support has high accuracy and adjustability, and the parameters of the limit position and the swing force can be adjusted according to specific needs to adapt to different engineering applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional diagram of the limited tension-compression friction pendulum support proposed by the utility model;
[0015] Figure 2 A top view of the limited tension-compression friction pendulum support proposed by the utility model;
[0016] Figure 3 This is a front view of the limited tension and compression friction pendulum support proposed by the utility model;
[0017] Figure 4 for Figure 2 AA section view;
[0018] Figure 5 It is a side view of the limited tension and compression friction pendulum support proposed by the utility model;
[0019] Figure 6 for Figure 2 BB cross-section diagram.
[0020] Legend:
[0021] 1. Upper seat plate; 2. Upper curved stainless steel plate; 3. Upper modified ultra-high molecular weight polyethylene slide plate; 4. Upper rotating block; 5. Sliding friction pair 1; 6. Sliding friction pair 2; 7. Upper pin shaft; 8. Intermediate body; 9. Lower pin shaft; 10. Lower rotating block; 11. Lower modified ultra-high molecular weight polyethylene slide plate; 12. Lower curved stainless steel plate; 13. Lower seat plate; 14. Limit bolt. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Reference Figure 1 , Figure 4 and Figure 6 The utility model provides an embodiment: a limited tension and compression friction pendulum support, including a lower seat plate 13, the inner top of the lower seat plate 13 is fixedly connected with a lower arc-surface stainless steel plate 12, the top of the lower arc-surface stainless steel plate 12 is provided with a lower modified ultra-high molecular weight polyethylene skateboard 11, the top of the lower modified ultra-high molecular weight polyethylene skateboard 11 is provided with a lower rotating block 10, the top of the lower rotating block 10 is provided with an intermediate body 8, the lower rotating block 10 is provided with a lower pin shaft 9, the intermediate body 8 is provided with a lower pin shaft 9, the top of the intermediate body 8 is provided with an upper rotating block 4, the intermediate body 8 is provided with an upper pin shaft 7, the upper rotating block 4 is provided with an upper pin shaft 7, the top of the upper rotating block 4 is provided with an upper modified ultra-high molecular weight polyethylene skateboard 3, the top of the upper modified ultra-high molecular weight polyethylene skateboard 3 is provided with an upper arc-surface stainless steel plate 2, and the top of the upper arc-surface stainless steel plate 2 is provided with an upper seat plate 1.
[0024] When the support is displaced in the X direction, due to the existence of the upper rotating shaft, the upper rotating block 4 rotates around the upper rotating shaft, driving the upper seat plate 1, the upper curved stainless steel plate 2, and the upper modified ultra-high molecular weight polyethylene skateboard 3 to rotate. When the support is displaced in the Y direction, due to the existence of the lower rotating shaft, the lower rotating block 10 rotates around the lower rotating shaft, driving the upper seat plate 1, the upper curved stainless steel plate 2, the upper modified ultra-high molecular weight polyethylene skateboard 3, the upper rotating block 4, the upper pin 7, and the intermediate body 8 to rotate. At the same time, due to the limiting effect of the limit bolt 14, the upper seat plate 1 is ensured to be in a horizontal state and will not deflect. The upper and lower seat plates 13 are connected to the upper and lower rotating blocks 10 by hooks, and the upper and lower rotating blocks 10 are connected to the intermediate body 8 by upper and lower pins 9. When tension acts, due to the action of the hooks and pins, an interaction force is generated, and no vertical displacement occurs.
[0025] Reference Figure 2 , Figure 3 and Figure 5 , limiting bolts 14 are arranged inside the intermediate body 8, sliding friction pairs 6 are arranged on both sides of the upper rotating block 4, sliding friction pairs 1 5 are arranged on the bottom of the upper rotating block 4, sliding friction pairs 2 6 are arranged on both sides of the lower rotating block 10, and sliding friction pairs 1 5 are arranged on the top of the lower rotating block 10.
[0026] Due to the limiting effect of the limit bolt 14, the upper seat plate 1 is ensured to be in a horizontal state and will not deflect. Due to the existence of the sliding friction pair 1 5 and the sliding friction pair 2 6, the upper seat plate 1, the upper arc-surface stainless steel plate 2, the upper modified ultra-high molecular weight polyethylene skateboard 3, the upper rotating block 4, the upper pin shaft 7, the intermediate body 8, the lower pin shaft 9, the lower rotating block 10, and the lower modified ultra-high molecular weight polyethylene skateboard 11 are displaced along the lower arc-surface direction, and friction energy is consumed.
[0027] Working principle: When earthquakes or wind loads occur, this bearing has tensile, rotation and limiting functions. When the bearing is displaced in the X direction, due to the existence of sliding friction pair 1 5 and sliding friction pair 2 6, the upper seat plate 1 is displaced along the upper arc surface direction, and friction energy is consumed. At the same time, due to the existence of the upper rotating shaft, the upper rotating block 4 rotates around the upper rotating shaft, driving the upper seat plate 1, the upper arc stainless steel plate 2, and the upper modified ultra-high molecular weight polyethylene skateboard 3 to rotate. At the same time, due to the limiting effect of the limit bolts 14, the upper seat plate 1 is guaranteed to be in a horizontal state and will not deflect. When the bearing is displaced in the Y direction, due to the existence of sliding friction pair 1 5 and sliding friction pair 2 6, the upper seat plate 1, the upper arc stainless steel plate 2, the upper modified ultra-high molecular weight polyethylene skateboard 3, the upper rotating block 4, The upper pin shaft 7, the intermediate body 8, the lower pin shaft 9, the lower rotating block 10, and the lower modified ultra-high molecular weight polyethylene skateboard 11 are displaced along the lower arc surface direction, and friction energy is consumed. At the same time, due to the existence of the lower rotating shaft, the lower rotating block 10 rotates around the lower rotating shaft, driving the upper seat plate 1, the upper arc surface stainless steel plate 2, the upper modified ultra-high molecular weight polyethylene skateboard 3, the upper rotating block 4, the upper pin shaft 7, and the intermediate body 8 to rotate. At the same time, due to the limiting effect of the limit bolt 14, the upper seat plate 1 is ensured to be in a horizontal state and will not deflect. The upper and lower seat plates 13 are connected to the upper and lower rotating blocks 10 by hooks, and the upper and lower rotating blocks 10 are connected to the intermediate body 8 by upper and lower pin shafts 9. When tension acts, due to the action of the hooks and pin shafts, an interaction force is generated, and no vertical displacement occurs.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A limited tension-compression friction pendulum support, comprising a lower seat plate (13), characterized in that: The inner top of the lower seat plate (13) is fixedly connected to a lower curved stainless steel plate (12); a lower modified ultra-high molecular weight polyethylene slide plate (11) is arranged on the top of the lower curved stainless steel plate (12); a lower rotating block (10) is arranged on the top of the lower modified ultra-high molecular weight polyethylene slide plate (11); an intermediate body (8) is arranged on the top of the lower rotating block (10); a lower pin shaft (9) is arranged inside the lower rotating block (10); a lower pin shaft (9) is arranged inside the intermediate body (8); an upper rotating block (4) is arranged on the top of the intermediate body (8); an upper pin shaft (7) is arranged inside the intermediate body (8); and an upper pin shaft (7) is arranged inside the upper rotating block (4).
2. The position-limited tension-compression friction pendulum support according to claim 1, characterized in that: An upper modified ultra-high molecular weight polyethylene slide plate (3) is arranged on the top of the upper rotating block (4), an upper curved stainless steel plate (2) is arranged on the top of the upper modified ultra-high molecular weight polyethylene slide plate (3), and an upper seat plate (1) is arranged on the top of the upper curved stainless steel plate (2).
3. The position-limited tension-compression friction pendulum support according to claim 1, characterized in that: Limiting bolts (14) are provided inside the intermediate body (8).
4. The position-limited tension-compression friction pendulum support according to claim 1, characterized in that: Sliding friction pairs 2 (6) are arranged on both sides of the upper rotating block (4), and sliding friction pairs 1 (5) are arranged on the bottom of the upper rotating block (4).
5. The position-limited tension-compression friction pendulum support according to claim 1, characterized in that: Sliding friction pairs 2 (6) are arranged on both sides of the lower rotating block (10), and sliding friction pairs 1 (5) are arranged on the top of the lower rotating block (10).