Tension-compression type spring damper

Abstract

The utility model discloses a tension-compression type spring damper which comprises an upper end plate, the bottom of the upper end plate is fixedly welded with an inner damping fin, the inner damping fin is arranged on the inner side of an outer damping fin, the bottom of the outer damping fin is fixedly welded with a lower end plate, and a spring installation assembly is installed between the upper end plate and the lower end plate. The upper end of a damping spring of the spring installation assembly is welded to the top plate. According to the tension-compression type spring damper, when a damping spring works for a long time and metal is fatigued, an upper bolt and a lower bolt are dismounted, a top plate and a positioning plate can be dismounted from the device, a spring mounting assembly is dismounted, and a new spring mounting assembly is replaced; the spring damper can be continuously used under the condition that other parts except the spring mounting assembly are intact, the maintenance cost of the spring damper is reduced, and meanwhile, a spring on the spring damper can be conveniently and rapidly disassembled and replaced.

Description

Technical Field

[0001] The utility model relates to the field of dampers, in particular to a tension-compression type spring damper. Background Art

[0002] Metal dampers are energy-absorbing devices that can be used in buildings to resist horizontal or vertical forces. They make full use of the material properties of metals. Metals have good hysteresis characteristics after entering the plastic state and absorb a large amount of energy during the elastic-plastic deformation process. Therefore, they are used to manufacture energy-absorbing shock absorbers of different types and structures. Based on the force form, they can be divided into axial yield type, shear yield type, bending yield type and torsional yield type dampers. Compared with other types of dampers such as viscoelastic type, friction type, and viscous liquid type, metal dampers are easy to process, have stable hysteresis performance, are easy to replace, and have low cost and maintenance costs. Therefore, they are widely used in the field of seismic reinforcement and repair of engineering structures.

[0003] Regarding the patent of the damper, after searching, the prior art discloses (publication number: CN211597164U) a replaceable tension-compression spring damper, which states "including an upper end plate and a lower end plate, a spring holder is installed at the middle position of the top surface of the lower end plate, a hollow spring cavity is arranged in the spring holder, the front and rear ends of the spring cavity are open, and a through slot is arranged on the top of the spring holder; an energy-absorbing spring is installed in the spring cavity," and in actual use, the spring will become soft over time and produce metal fatigue; it is not convenient to replace the spring that has produced metal fatigue after long-term use, and this case is based on this. Utility Model Content

[0004] The purpose of the utility model is to provide a tension-compression spring damper to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above-mentioned purpose, a tension-compression type spring damper is provided, comprising an upper end plate, the bottom of the upper end plate is welded and fixed to an inner damping plate, and the inner damping plate is arranged on the inner side of an outer damping plate, and the bottom of the outer damping plate is welded and fixed to a lower end plate, characterized in that a spring mounting assembly is installed between the upper end plate and the lower end plate, and the upper end of the damping spring of the spring mounting assembly is welded to the top plate, and the end of the damping spring away from the top plate is welded to the base, and the end of the base away from the damping spring is welded to the positioning plate.

[0006] Preferably, a positioning groove is provided at the bottom of the upper end plate, and the top plate is adapted to the size of the positioning groove, and the top plate is clamped inside the positioning groove.

[0007] Preferably, a through hole is provided on the upper end plate, and a screw hole is provided on the top plate, and the end of the upper bolt passes through the through hole and is screwed and installed inside the screw hole.

[0008] Preferably, the base and the positioning plate are combined together to form a "T"-shaped arrangement, and the base and the positioning plate are installed inside the positioning hole, and the positioning hole is opened on the bottom surface of the lower end plate.

[0009] Preferably, the positioning plate is evenly fixed inside the positioning hole by four groups of lower bolts, and the ends of the lower bolts pass through the through holes on the positioning plate and are screwed into the screw holes opened on the bottom plate of the positioning hole.

[0010] Preferably, the spring mounting assembly comprises a top plate, a damping spring, a base and a positioning plate, and the spring mounting assembly is a detachable structure between the upper end plate and the lower end plate.

[0011] Preferably, a slider is welded to the outer side of the inner damping plate, and a slide groove is provided inside the outer damping plate, and the slide groove is adapted to the size of the slider, and the slider is slidably arranged inside the slide groove.

[0012] Compared with the prior art, the beneficial effect of the utility model is that when the damping spring works for a long time and the metal is fatigued, the upper bolt and the lower bolt are removed, and the top plate and the positioning plate can be removed from the device, and the spring mounting assembly can be removed and replaced with a new spring mounting assembly. It can ensure that the other parts except the spring mounting assembly are intact and can continue to be used, thereby reducing the maintenance cost of the spring damper and facilitating the rapid disassembly and replacement of the spring on the spring damper. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0014] Figure 2 The utility model structure Figure 1 BB cross-section diagram in FIG.

[0015] Figure 3 The utility model structure Figure 1 AA section intention in;

[0016] Figure 4 The utility model structure Figure 1 Exploded diagram.

[0017] In the figure: 1, upper bolt; 2, upper end plate; 3, inner damping plate; 4, slider; 5, outer damping plate; 6, slide groove; 7, lower end plate; 8, positioning hole; 9, spring mounting assembly; 91, top plate; 92, damping spring; 93, base; 94, positioning plate; 95, lower bolt. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a tension-compression type spring damper, including an upper end plate 2, the bottom of the upper end plate 2 is welded and fixed to the inner damping plate 3, and the inner damping plate 3 is arranged on the inner side of the outer damping plate 5, and the bottom of the outer damping plate 5 is welded and fixed to the lower end plate 7, a spring mounting assembly 9 is installed between the upper end plate 2 and the lower end plate 7, and the upper end of the damping spring 92 of the spring mounting assembly 9 is welded to the top plate 91, and the end of the damping spring 92 away from the top plate 91 is welded to the base 93, and the end of the base 93 away from the damping spring 92 is welded to the positioning plate 94.

[0020] Working principle: During use, when the damping spring 92 works for a long time and the metal is fatigued, the upper bolt 1 and the lower bolt 95 are removed, and the top plate 91 and the positioning plate 94 can be removed from the device, and the spring mounting assembly 9 can be removed and replaced with a new spring mounting assembly 9. It can be ensured that other parts except the spring mounting assembly 9 are intact and can continue to be used, thereby reducing the maintenance cost of the spring damper and facilitating the quick disassembly and replacement of the spring on the spring damper.

[0021] As a preferred embodiment, a positioning groove is provided at the bottom of the upper end plate 2, and the top plate 91 is adapted to the size of the positioning groove, and the top plate 91 is snap-fitted into the inside of the positioning groove.

[0022] like Figure 1 As shown, when the top plate 91 is installed, a positioning groove is provided on the bottom of the top plate 2 which is inserted therein, so that the spring mounting assembly 9 can be quickly installed on the damper.

[0023] As a preferred embodiment, a through hole is opened on the upper end plate 2, and a screw hole is opened on the top plate 91, and the end of the upper bolt 1 passes through the through hole and is screwed and installed inside the screw hole.

[0024] like Figure 1 As shown: when the top plate 91 is clamped in the positioning groove at the bottom of the upper end plate 2, it is fixed by bolts 1 at the same time, completing the quick fixing work between the upper end plate 2 and the top plate 91.

[0025] As a preferred embodiment, the base 93 and the positioning plate 94 are combined together to form a “T”-shaped arrangement, and the base 93 and the positioning plate 94 are installed inside the positioning hole 8 , and the positioning hole 8 is opened on the bottom surface of the lower end plate 7 .

[0026] After the lower bolt 95 is removed and the upper bolt 1 is removed, the spring mounting assembly 9 can be removed from between the upper end plate 2 and the lower end plate 7 and the damping spring 92 can be replaced.

[0027] As a preferred embodiment, the positioning plate 94 is evenly fixed inside the positioning hole 8 by four groups of lower bolts 95, and the ends of the lower bolts 95 pass through the through holes on the positioning plate 94 and are screwed into the screw holes opened on the bottom plate of the positioning hole 8.

[0028] As a preferred embodiment, the spring mounting assembly 9 includes a top plate 91 , a damping spring 92 , a base 93 and a positioning plate 94 , and the spring mounting assembly 9 is a detachable structure between the upper end plate 2 and the lower end plate 7 .

[0029] When the upper side of the upper end plate 2 is pressed downward, the upper end plate 2 is pressed downward to compress the damping spring 92. At the same time, the elasticity of the damping spring 92 buffers and offsets the pressure generated by the spring damper.

[0030] As a preferred embodiment, a slider 4 is welded to the outer side of the inner damping plate 3 , and a slide groove 6 is provided inside the outer damping plate 5 . The slide groove 6 is adapted to the size of the slider 4 , and the slider 4 is slidably arranged inside the slide groove 6 .

[0031] like Figure 1-4 As shown: the slider 4 is slidably arranged inside the slide groove 6, which can increase the contact area between the inner damping plate 3 and the outer damping plate 5 and improve the stability of the damper when working.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tension-compression spring damper, comprising an upper end plate (2), the bottom of the upper end plate (2) being welded and fixed to an inner damping plate (3), the inner damping plate (3) being arranged on the inner side of an outer damping plate (5), and the bottom of the outer damping plate (5) being welded and fixed to a lower end plate (7), characterized in that: A spring mounting assembly (9) is installed between the upper end plate (2) and the lower end plate (7), and the upper end of the damping spring (92) of the spring mounting assembly (9) is welded to the top plate (91), while an end of the damping spring (92) away from the top plate (91) is welded to the base (93), and an end of the base (93) away from the damping spring (92) is welded to the positioning plate (94).

2. A tension-compression spring damper according to claim 1, characterized in that: A positioning groove is provided at the bottom of the upper end plate (2), and the top plate (91) is adapted to the size of the positioning groove, while the top plate (91) is clamped inside the positioning groove.

3. A tension-compression spring damper according to claim 1, characterized in that: The upper end plate (2) is provided with a through hole, and the top plate (91) is provided with a screw hole, and the end of the upper bolt (1) passes through the through hole and is screwed and installed inside the screw hole.

4. A tension-compression spring damper according to claim 1, characterized in that: The base (93) and the positioning plate (94) are combined together to form a "T"-shaped arrangement, and the base (93) and the positioning plate (94) are installed inside the positioning hole (8), and the positioning hole (8) is opened on the bottom surface of the lower end plate (7).

5. A tension-compression spring damper according to claim 1, characterized in that: The positioning plate (94) is evenly fixed inside the positioning hole (8) by four groups of lower bolts (95), and the ends of the lower bolts (95) pass through the through holes on the positioning plate (94) and are screwed into the screw holes opened in the bottom plate of the positioning hole (8).

6. A tension-compression spring damper according to claim 1, characterized in that: The spring installation assembly (9) comprises a top plate (91), a damping spring (92), a base (93) and a positioning plate (94), and the spring installation assembly (9) is a detachable structure between the upper end plate (2) and the lower end plate (7).

7. A tension-compression spring damper according to claim 1, characterized in that: A slider (4) is welded to the outer side of the inner damping plate (3), and a slide groove (6) is provided inside the outer damping plate (5). The slide groove (6) is matched to the size of the slider (4), and the slider (4) is slidably arranged inside the slide groove (6).

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