Novel metal friction composite damper
By employing a dual-group friction damping structure and a four-corner friction damping structure in the metal friction damper, the problem of the single damping effect of existing dampers is solved, and the improvement of multiple damping effects is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-20
AI Technical Summary
Existing conventional metal friction dampers have limited damping effects and require further improvement.
A novel metal friction composite damper is designed, which adopts a dual-group friction damping structure and friction damping structures at the four corners of the damper to achieve multiple damping and multi-point damping functions.
It significantly improves the damping effect, achieves composite damping, and is suitable for widespread application.
Smart Images
Figure CN224017609U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of damper, concretely relates to a novel metal friction composite damper. BACKGROUND
[0002] Friction damper belongs to displacement related damper, generally this damper is composed of metal material and high molecular composite friction material, and the friction damper converts friction into heat energy dissipation through the relative displacement between metal material and friction material, so as to dissipate the energy of earthquake vibration and reduce the vibration response of structure, and the damper has the characteristics of simple structure, strong energy dissipation capacity, easy material selection and low cost, and is widely used in schools, hospitals and public places, and has wide application space in the construction process of new buildings.
[0003] The conventional metal friction damper is mostly single friction damping structure when being used, although the metal plate and damping pad can be used for friction energy dissipation operation, but the damping effect of single friction damping structure still needs to be improved, and the friction damping structure of the conventional metal friction damper is relatively single, and further improvement is needed.
[0004] Therefore, it is necessary to invent a novel metal friction composite damper. CONTENT OF THE UTILITY MODEL
[0005] Therefore, the utility model provides a novel metal friction composite damper to solve the problems in the background art.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a novel metal friction composite damper, comprising a bottom plate and a top plate, and a composite metal friction damping mechanism is fixed between the bottom plate and the top plate.
[0007] The composite metal friction damping mechanism comprises a first metal friction damping assembly and a second metal friction damping assembly, the first metal friction damping assembly is fixedly installed between the bottom plate and the top plate, and the second metal friction damping assembly is fixedly installed at the corner of the bottom plate and the top plate.
[0008] Preferably, the first metal friction damping assembly comprises two vertically arranged upper metal plates, the two upper metal plates are symmetrically fixed on both sides of the bottom of the top plate, and two groups of lower metal plates are symmetrically and vertically fixed on both sides of the top of the bottom plate.
[0009] Preferably, the number of lower metal plates in each group is two, the two groups of lower metal plates and the two upper metal plates are one-to-one corresponding, and the bottom end of the upper metal plate is located between the corresponding two lower metal plates.
[0010] Preferably, the upper metal plate is vertically provided with a plurality of first strip-shaped holes, and the upper metal plate is fixed with a first damping pad on each side surface, and the first damping pad is vertically provided with a plurality of second strip-shaped holes, and the first strip-shaped holes and the second strip-shaped holes are in one-to-one correspondence.
[0011] Preferably, the lower metal plate is provided with a plurality of first bolt holes, and the lower metal plate is fixed with a second damping pad on the side surface close to the upper metal plate, and the second damping pad is in surface abutment with the first damping pad, and the second damping pad is provided with a plurality of second bolt holes, and the first bolt holes and the second bolt holes are in one-to-one correspondence.
[0012] Preferably, the first metal friction damping assembly further comprises a plurality of bolts, and the bolts are arranged in one-to-one correspondence with the first strip-shaped holes, the second strip-shaped holes, the first bolt holes and the second bolt holes, the bolts transversely penetrate the corresponding first bolt holes, second bolt holes, first strip-shaped holes and second strip-shaped holes, and the end of the bolt is threadedly connected with a matched nut.
[0013] Preferably, the second metal friction damping assembly comprises four metal cylinders arranged vertically, and the top ends of the four metal cylinders are fixed at the four corners of the bottom of the top plate, and the bottom center of the metal cylinder is provided with a limiting hole.
[0014] Preferably, the guide rod is vertically fixed at the four corners of the top of the bottom plate, the guide rod penetrates the limiting hole vertically at the top end, and the surface of the guide rod is in close fit with the hole wall of the limiting hole.
[0015] Preferably, the guide rod is vertically fixed at the four corners of the top of the bottom plate, the guide rod penetrates the limiting hole vertically at the top end, and the surface of the guide rod is in close fit with the hole wall of the limiting hole.
[0016] The utility model discloses the cooperation of bottom plate, top plate, first metal friction damping assembly and second metal friction damping assembly can realize multiple damping, multi-point damping function through the mode of setting double sets of friction damping structure and the mode of setting friction damping structure at the four corners of damper, that is, achieve the effect of composite damping, greatly improve the damping effect of metal friction damper, and is suitable for promotion. ACCURACY OF DRAWINGS
[0017] Figure 1 The utility model provides the partial structure section view of main view direction;
[0018] Figure 2 The utility model provides structure main view.
[0019] Figure 3 The partial structure sectional view in the lateral direction provided by the utility model;
[0020] Figure 4 The structure side view provided by the utility model.
[0021] In the drawing: 1, bottom plate; 2, top plate; 3, upper metal plate; 4, lower metal plate; 5, first strip hole; 6, first damping pad; 7, second strip hole; 8, first bolt hole; 9, second damping pad; 10, second bolt hole; 11, bolt; 12, matched nut; 13, metal cylinder; 14, limiting hole; 15, guide rod; 16, sliding block; 17, third damping pad; 18, fourth damping pad; 19, reset spring. DETAILED DESCRIPTION
[0022] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model and are not used for limiting the utility model.
[0023] Please refer to the attached Figures 1-4 The utility model provides a novel metal friction composite damper, including bottom plate 1 and top plate 2, and the composite metal friction damping mechanism is fixed between bottom plate 1 and top plate 2, the composite metal friction damping mechanism includes first metal friction damping assembly and second metal friction damping assembly, first metal friction damping assembly is fixedly installed between bottom plate 1 and top plate 2, and second metal friction damping assembly is fixedly installed at the corner of bottom plate 1 and top plate 2.
[0024] The first metal friction damping assembly includes two vertically arranged upper metal plates 3, and the two upper metal plates 3 are symmetrically fixed on both sides of the bottom of the top plate 2, and two groups of lower metal plates 4 are symmetrically and vertically fixed on both sides of the top of the bottom plate 1, the upper metal plate 3 and the lower metal plate 4 are preferably arranged as steel plates, each group of lower metal plates 4 is two in number, and the two groups of lower metal plates 4 and the two upper metal plates 3 are one-to-one corresponding, the bottom end of the upper metal plate 3 is located between the corresponding two lower metal plates 4, that is, when the top plate 2 and the bottom plate 1 relatively displace, the upper metal plate 3 can synchronously relatively displace between the corresponding two lower metal plates 4;
[0025] A plurality of first strip holes 5 are vertically formed on the upper metal plate 3, and a first damping pad 6 is fixed to each side surface of the upper metal plate 3, a plurality of second strip holes 7 are vertically formed on the first damping pad 6, the plurality of first strip holes 5 and the plurality of second strip holes 7 are in one-to-one correspondence, a plurality of first bolt holes 8 are formed on the lower metal plate 4, a second damping pad 9 is fixed to each side surface of the lower metal plate 4 close to the upper metal plate 3, the surface of the second damping pad 9 is in abutment with the surface of the first damping pad 6, a plurality of second bolt holes 10 are formed on the second damping pad 9, the plurality of first bolt holes 8 and the plurality of second bolt holes 10 are in one-to-one correspondence, that is, when the upper metal plate 3 moves relative to the corresponding two lower metal plates 4, the first damping pad 6 and the second damping pad 9 can move relative to each other, thereby generating friction, and the vibration force can be dissipated by friction;
[0026] The first metal friction damping assembly further comprises a plurality of bolts 11, the plurality of bolts 11 are arranged in one-to-one correspondence with the plurality of first strip holes 5, the plurality of second strip holes 7, the plurality of first bolt holes 8 and the plurality of second bolt holes 10, the bolt 11 transversely penetrates the corresponding first bolt hole 8, second bolt hole 10, first strip hole 5 and second strip hole 7, and a matching nut 12 is threadedly connected to the end of the bolt 11. Specifically, the bolt 11 and the matching nut 12 can reinforce the connection between the upper metal plate 3 and the lower metal plate 4, and under the action of the first strip hole 5 and the second strip hole 7, the bolt 11 will not affect the normal movement of the upper metal plate 3;
[0027] The second metal friction damping assembly comprises four metal cylinders 13 arranged vertically, the metal sleeve 13 is preferably made of steel, the top end of the four metal cylinders 13 is fixed to the four corners at the bottom of the top plate 2, a limiting hole 14 is formed in the center of the bottom of the metal cylinder 13, a guide rod 15 is vertically fixed to the top plate 2 at the four corners, the guide rod 15 penetrates the limiting hole 14 vertically, and the surface of the guide rod 15 is in close contact with the hole wall of the limiting hole 14, a sliding block 16 is fixed to the top end of the guide rod 15, a third damping pad 17 is fixed to the side surface of the sliding block 16, a fourth damping pad 18 is fixed to the inner wall surface of the metal cylinder 13, the surface of the third damping pad 17 is in abutment with the surface of the fourth damping pad 18, a return spring 19 is vertically fixed to the top of the sliding block 16, and the top end of the return spring 19 is fixed to the bottom of the top plate 2. Specifically, when the top plate 2 and the bottom plate 1 move relative to each other, the metal sleeve 13 and the guide rod 15 can also move synchronously, that is, the sliding block 16 can slide in the metal cylinder 13, the third damping pad 17 and the fourth damping pad 18 can move relative to each other, thereby generating friction, and the vibration force can be dissipated by friction;
[0028] In summary, the damper can realize the functions of multiple damping, multi-point damping, i.e. the effect of composite damping, by means of setting double sets of friction damping structures and by means of setting friction damping structures at four corners of the damper, so as to greatly improve the damping effect of the metal friction damper.
[0029] The use process of the utility model is as follows: firstly, when the relative displacement between the top plate 2 and the bottom plate 1 occurs, the upper metal plate 3 can synchronously occur the relative displacement between the corresponding two lower metal plates 4, when the relative displacement between the upper metal plate 3 and the corresponding two lower metal plates 4 occurs, the relative displacement between the first damping pad 6 and the second damping pad 9 can be caused, so as to generate the friction, i.e. the vibration force can be frictionally dissipated; secondly, when the relative displacement between the top plate 2 and the bottom plate 1 occurs, the metal sleeve 13 and the guide rod 15 can be synchronously caused to occur the relative displacement, i.e. the slider 16 can be caused to slide in the metal cylinder 13, i.e. the relative displacement between the third damping pad 17 and the fourth damping pad 18 can be caused, so as to generate the friction, i.e. the vibration force can be frictionally dissipated, i.e. the damper can realize the functions of multiple damping, multi-point damping, i.e. the effect of composite damping, by means of setting double sets of friction damping structures and by means of setting friction damping structures at four corners of the damper, so as to greatly improve the damping effect of the metal friction damper.
[0030] The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the technical scheme set forth above or modify it into the equivalent technical scheme. Therefore, any simple modification or equivalent replacement according to the technical scheme of the utility model is within the scope of protection of the utility model.
Claims
1. A novel metal friction composite damper, comprising a base plate (1) and a top plate (2), characterized in that: A composite metal friction damping mechanism is fixed between the bottom plate (1) and the top plate (2); The composite metal friction damping mechanism includes a first metal friction damping component and a second metal friction damping component. The first metal friction damping component is fixedly installed between the bottom plate (1) and the top plate (2), and the second metal friction damping component is fixedly installed at the corner between the bottom plate (1) and the top plate (2).
2. The novel metal friction composite damper according to claim 1, characterized in that: The first metal friction damping assembly includes two vertically arranged upper metal plates (3), which are symmetrically fixed on both sides of the bottom of the top plate (2), and two sets of lower metal plates (4) are symmetrically and vertically fixed on both sides of the top of the bottom plate (1).
3. The novel metal friction composite damper according to claim 2, characterized in that: Each set of lower metal plates (4) consists of two plates, and the two sets of lower metal plates (4) correspond one-to-one with the two upper metal plates (3). The bottom of the upper metal plate (3) is located between the corresponding two lower metal plates (4).
4. A novel metal friction composite damper according to claim 3, characterized in that: The upper metal plate (3) is provided with a plurality of first strip holes (5) vertically, and the upper metal plate (3) is provided with first damping pads (6) fixed on both sides of the upper metal plate (3). The first damping pads (6) are provided with a plurality of second strip holes (7) vertically, and the plurality of first strip holes (5) and the plurality of second strip holes (7) are connected in a one-to-one correspondence.
5. A novel metal friction composite damper according to claim 4, characterized in that: The lower metal plate (4) is provided with a plurality of first bolt holes (8). A second damping pad (9) is fixed on the side surface of the lower metal plate (4) near the upper metal plate (3). The surface of the second damping pad (9) is in contact with the surface of the first damping pad (6). The second damping pad (9) is provided with a plurality of second bolt holes (10). The plurality of first bolt holes (8) and the plurality of second bolt holes (10) are connected in a one-to-one correspondence.
6. A novel metal friction composite damper according to claim 5, characterized in that: The first metal friction damping assembly also includes a plurality of bolts (11), which are respectively arranged in a plurality of first strip holes (5), a plurality of second strip holes (7), a plurality of first bolt holes (8) and a plurality of second bolt holes (10). The bolts (11) pass through the corresponding first bolt holes (8), second bolt holes (10), first strip holes (5) and second strip holes (7) laterally. The bolts (11) are threaded with matching nuts (12) at their ends.
7. A novel metal friction composite damper according to claim 1, characterized in that: The second metal friction damping assembly includes four vertically arranged metal cylinders (13), the top ends of the four metal cylinders (13) are respectively fixed at the four corners of the bottom of the top plate (2), and each metal cylinder (13) has a limit hole (14) at the center of its bottom.
8. A novel metal friction composite damper according to claim 7, characterized in that: The bottom plate (1) has guide rods (15) vertically fixed at the four corners of the top. The top of the guide rod (15) vertically penetrates the limiting hole (14), and the surface of the guide rod (15) is in contact with the wall of the limiting hole (14).
9. A novel metal friction composite damper according to claim 8, characterized in that: Each guide rod (15) has a slider (16) fixed at its top end. Each slider (16) has a third damping pad (17) fixed on its side surface. Each metal cylinder (13) has a fourth damping pad (18) fixed on its inner wall surface. The surface of the third damping pad (17) abuts against the surface of the fourth damping pad (18). Each slider (16) has a return spring (19) fixed vertically at its top. The top end of each return spring (19) is fixed to the bottom of the top plate (2).