Integrated torsional damping module

Abstract

The utility model relates to an integrated torsion type damping module, and belongs to the technical field of structural vibration control. Comprising a shell, a pressurizing closing plate, a spline transmission shaft, a friction plate, a wedge-shaped pre-pressing plate, a spline connecting sleeve and a flat key, the spline connecting sleeve is vertically arranged in the shell in a penetrating manner; a spline transmission shaft penetrates through the spline connecting sleeve and is limited and fixed with the spline connecting sleeve through a flat key; the periphery of the spline connecting sleeve is sleeved with a friction plate; a wedge-shaped pre-pressing plate is pressed between the friction plate and the shell; the top of the shell is further provided with a pressurizing closing plate, the bottom of the pressurizing closing plate abuts against the top of the wedge-shaped pre-pressing plate, and pre-pressing force is applied to the wedge-shaped pre-pressing plate. The wedge-shaped pre-pressing plates are two wedge-shaped pre-pressing plates with inclined faces arranged in a buckled mode, the bottom of the pressurization sealing plate abuts against one wedge-shaped pre-pressing plate, then the other wedge-shaped pre-pressing plate is extruded through the inclined faces, and therefore vertically-downward pre-pressing force is converted into extrusion force in the horizontal direction to be used for extruding a friction plate. And friction damping energy consumption is generated between the friction plate and the wedge-shaped pre-pressing plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of integrated torsional damping module, belong to structural vibration control technical field. BACKGROUND

[0002] Integrated torsional damping module is an innovative technology, aiming at improving the anti-seismic / vibration damping capacity of structure, mechanical equipment etc.

[0003] In prior art, many friction torsional dampers adopt split design, assembled by multiple components. For example, some dampers include relatively arranged fixed friction plates, rotatable friction plates are arranged in the middle, a combined body that can be relatively rotated and can generate friction energy dissipation is formed by specific connecting structure and pivot connection. This structure is convenient for production and processing, installation and later maintenance and replacement of parts. In addition, in order to adapt to different working conditions and damping requirements, some friction torsional dampers have adjustable structure. For example, by changing the contact pressure between friction plates, adjusting the number or thickness of friction plates, etc., to realize the adjustment of damping force. Some dampers are also provided with special adjusting devices, such as bolt adjusting mechanism, spring pre-tightening force adjusting mechanism, etc., which can flexibly change the performance parameters of the damper according to actual needs. In addition, in the internal structure design of the damper, some special shapes and matching structures are used to improve the friction effect and energy dissipation capacity. For example, the surface of the friction plate of some dampers may be designed with concave-convex texture, groove, etc. to increase the friction coefficient; or at the matching part of the friction plate and other components, specific arc, wedge, etc. are used, so that the friction plate can better fit and rub during rotation. Such as CN110273956A A kind of torsional friction plate type metal damper, CN112081260A New steel strip rotary friction damper. That is, the traditional damping device is usually independently designed according to specific application requirements, but it leads to product design scheme diversification, low yield, and is difficult to realize prefabricated batch production and technical standardization. UTILITY MODEL CONTENTS

[0004] In view of the above defects existing in the prior art, the utility model provides an integrated torsional damping module. It adopts integrated modular design, integrates torsional damping function into a standard module, improves the consistency and reliability of production. This module can be widely used in different application requirements, and brings innovation to vibration control technology.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] An integrated torsional damping module, comprising a shell, a pressurized sealing plate, a spline transmission shaft, a friction plate, a wedge-shaped pre-pressing plate, a spline connecting sleeve and a flat key.

[0007] The spline connection sleeve is vertically arranged inside the shell; a spline transmission shaft is arranged in the spline connection sleeve, and the spline connection sleeve and the spline transmission shaft are fixed by a flat key; a friction plate is arranged on the outer periphery of the spline connection sleeve; the wedge-shaped pre-pressing plate is tightly pressed between the friction plate and the shell; the pressurizing and closing plate is further arranged on the top of the shell, and the bottom of the pressurizing and closing plate tightly presses the top of the wedge-shaped pre-pressing plate, and the wedge-shaped pre-pressing plate is pre-pressed;

[0008] The wedge-shaped pre-pressing plate is formed by two wedge-shaped pre-pressing plates which are arranged in a clamping mode, the bottom of the pressurizing and closing plate tightly presses one of the wedge-shaped pre-pressing plates, and the other wedge-shaped pre-pressing plate is pressed by the clamping mode, so that the vertical pre-pressing force is converted into the horizontal extrusion force, the friction plate is extruded, and the friction damping energy is generated between the friction plate and the wedge-shaped pre-pressing plate;

[0009] The mechanical properties of the damping module can be adjusted by adjusting the pre-loaded torque of the pressurizing and closing plate, the angle of the wedge-shaped pre-pressing plate and the material difference of the friction plate.

[0010] Further, the pressurizing and closing plate is connected to the top of the shell by a bolt, and a pre-pressing force is applied; a circular hole is reserved in the middle of the pressurizing and closing plate, and the spline connection sleeve is arranged in the circular hole.

[0011] Further, the cross section of the pressurizing and closing plate is inverted L-shaped, including a horizontal plate and a vertical plate, the horizontal plate is connected to the top of the shell by a bolt, and the vertical plate tightly presses one of the wedge-shaped pre-pressing plates.

[0012] Further, the friction plate and the spline connection sleeve are fixed by a bolt.

[0013] Further, the bolt is a countersunk bolt.

[0014] Further, a plurality of fixing hole positions are arranged on the outer side of the shell, and the damping module is fixed and installed.

[0015] Further, the shell is rectangular, the fixing hole positions are more than three, and the fixing hole positions are arranged in a triangular shape or a matrix shape on the outer side of the shell.

[0016] Further, the wedge-shaped pre-pressing plates are arranged on both sides of the shell, and a plurality of bolts are arranged between the corresponding shell and the pressurizing and closing plate on each side.

[0017] Further, the flat key is arranged on the bottom of the friction plate.

[0018] Further, the bottom of the other wedge-shaped pre-pressing plate in the wedge-shaped pre-pressing plates abuts against the bottom plate of the shell.

[0019] Compared with the prior art, the damping module has the following beneficial effects:

[0020] The utility model discloses can realize the mutual bolt connection between the module through spline transmission axle and spline connecting sleeve, and the mechanical property of the device can be flexibly combined and adjusted from the module self performance, module quantity and module combination scheme etc.

[0021] The upper and lower parts of the integrated torsional damping module can realize "lego" type bolt connection, the integrated torsional damping module can be prefabricated in batches in the factory, and the high performance and customization of the damping device damping energy consumption performance can be realized by adjusting the number of integrated torsional damping modules. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a three-dimensional view of the integrated torsional damping module of the utility model;

[0023] Figure 2 is an internal structure exploded view of the integrated torsional damping module of the utility model;

[0024] Figure 3 is the utility model Figure 2 the top view after the pressurizing closure plate is removed;

[0025] Figure 4 is the working principle of the integrated torsional damping module of the utility model;

[0026] Figure 5 is the mechanical property display of the utility model. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings Figures 1-5 and specific implementation, which is convenient for clearly understanding the utility model, but they do not constitute limitation to the utility model.

[0028] Example 1

[0029] As shown in the drawings, Figures 1-2 the integrated torsional damping module of the utility model comprises a shell 1, a pressurizing closure plate 2, a bolt 3, a spline transmission axle 4, a friction plate 5, a wedge-shaped pre-pressing plate 6, a spline connecting sleeve 7 and a flat key 8.

[0030] The spline connection sleeve 7 is vertically arranged inside the shell 1. The spline transmission shaft 4 is arranged in the spline connection sleeve 7, and the two are fixed by the flat key 8. The spline connection sleeve 7 is externally sleeved with the friction plate 5, and the friction plate 5 is fixed with the spline connection sleeve 7 by the countersunk head bolt 3. The wedge-shaped pre-pressing plate 6 is tightly pressed between the friction plate 5 and the shell 1. The shell 1 is further provided with a pressurizing closing plate 2, the bottom of the pressurizing closing plate 2 tightly presses the top of the wedge-shaped pre-pressing plate 6, and the wedge-shaped pre-pressing plate 6 is pre-pressed. The flat key 8 is arranged at the bottom of the friction plate 5.

[0031] As shown in Figure 4 , the wedge-shaped pre-pressing plate 6 is a wedge-shaped pre-pressing plate arranged by two inclined surfaces, the bottom of the pressurizing closing plate 2 tightly presses one of the wedge-shaped pre-pressing plates 6, and the other wedge-shaped pre-pressing plate 6 is extruded by the inclined surface, and the bottom of the other wedge-shaped pre-pressing plate 6 abuts against the bottom plate of the shell 1, so that the vertical pre-pressing force is converted into horizontal extrusion force, which is used to extrude the friction plate 5 and generate frictional damping energy dissipation between the friction plate 5 and the wedge-shaped pre-pressing plate 6.

[0032] In detail, as shown in Figures 2-4 , in the embodiment, the pressurizing closing plate 2 is connected with the top of the shell 1 by the bolt 3 and pre-pressing force is applied. A circular hole is reserved in the middle of the pressurizing closing plate 2 for arranging the spline connection sleeve 7. The cross section of the pressurizing closing plate 2 is inverted L-shaped, including a horizontal plate and a vertical plate, the horizontal plate is connected with the top of the shell 1 by the bolt 3, and the vertical plate tightly presses one of the wedge-shaped pre-pressing plates 6.

[0033] As shown in Figure 3 , a plurality of fixing hole positions 9 are arranged on the outer side of the shell 1 for fixed installation of the damping module. In the embodiment, the shell 1 is rectangular, and the fixing hole positions 9 are three, arranged in a triangular shape on the outer side of the shell 1. The wedge-shaped pre-pressing plates 6 are arranged on both sides inside the shell 1, and three bolts 3 are arranged between the corresponding shell 1 and the pressurizing closing plate 2 on each side.

[0034] As shown in Figures 4-5 , the torsion direction and the pressure direction are shown, and the mechanical properties of the damping module can be adjusted by adjusting the preloaded torque of the pressurizing closing plate 2, the angle of the wedge-shaped pre-pressing plate 6 and the material difference of the friction plate 5. Among them, the angle is θ, and the friction force is f.

[0035] Embodiment 2

[0036] In the embodiment, the fixing hole positions are four, arranged in a four-point matrix type around the shell 1, which is not shown in the figure, and the other structures and connection modes are the same as those of embodiment 1, which will not be described here.

[0037] The above is only a preferred embodiment of the present application, and does not limit the structure of the present application in any form. The arrangement type and the use quantity of the present application are not limited to the example, and can be optimized and selected according to the engineering practice. Any modification, equivalent change and decoration of the above embodiment according to the technical principle of the present application, which does not deviate from the content of the technical scheme of the present application, is still within the scope of the technical scheme of the present application.

Claims

1. An integrated torsional dampening module, characterized by: Including shell (1), pressurized closing plate (2), spline transmission shaft (4), friction plate (5), wedge preloading plate (6), spline connecting sleeve (7) and flat key (8), the spline connecting sleeve (7) is vertically arranged in the shell (1), the spline connecting sleeve (7) is provided with spline transmission shaft (4), and the spline transmission shaft (4) is fixed by flat key (8), the spline connecting sleeve (7) is provided with friction plate (5), the friction plate (5) and the shell (1) are compressed with the wedge preloading plate (6), the shell (1) top is further provided with the pressurized closing plate (2), the pressurized closing plate (2) bottom top tight wedge preloading plate (6) top, and preloading is applied to wedge preloading plate (6); the wedge preloading plate (6) is two wedge preloading plates arranged by two inclined surfaces, and the bottom of the pressurized closing plate (2) is tightly pressed against one of the wedge preloading plates (6).

2. The integrated torsional dampening module of claim 1, wherein: The pressurized closing plate (2) and the top of the shell (1) are connected by bolts (3) and preloading is applied; a circular hole is reserved in the middle of the pressurized closing plate (2) for the spline connecting sleeve (7).

3. An integrated torsional dampening module according to claim 2, wherein: The cross section of the pressurized closing plate (2) is inverted L type, including horizontal plate and vertical plate, the horizontal plate is connected with the top of the shell (1) by bolt (3), and the vertical plate tightly presses one of the wedge preloading plates (6).

4. The integrated torsional dampening module of claim 1, wherein: The friction plate (5) and the spline connecting sleeve (7) are connected and fixed by bolts (3).

5. An integrated torsional dampening module according to claim 4, wherein: The bolt (3) is a countersunk bolt.

6. The integrated torsional dampening module of claim 1, wherein: The shell (1) is provided with a plurality of fixing hole positions on the outside for fixed installation of the damping module.

7. An integrated torsional dampening module according to claim 6, wherein: The shell (1) is rectangular, and the fixing hole position is more than 3.

8. The integrated torsional dampening module of claim 1, wherein: The wedge preloading plates (6) are arranged on both sides of the shell (1) inside, and a plurality of bolts (3) are arranged between the corresponding shell (1) and the pressurized closing plate (2) on each side.

9. The integrated torsional dampening module of claim 1, wherein: The flat key (8) is arranged at the bottom of the friction plate (5).

10. The integrated torsional dampening module of claim 1, wherein: The other wedge preloading plate (6) in the wedge preloading plate (6) abuts against the bottom plate of the shell (1).

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