WO2020006694A1

WO2020006694A1 - Damping buffer device

Info

Publication number: WO2020006694A1
Application number: PCT/CN2018/094434
Authority: WO
Inventors: 朱昌龙
Original assignee: 联诺欧机械科技江苏有限公司
Priority date: 2018-07-04
Filing date: 2018-07-04
Publication date: 2020-01-09

Abstract

Disclosed is a damping buffer device, comprising: a bottom base (1); a top base (2), with the top base (2) being able to move back and forth relative to the bottom base (1); a first elastic member (3), with the first elastic member (3) being arranged between the bottom base (1) and the top base (2); a twisting cover (4), with the twisting cover (4) being spherically hinged at the upper end of the top base (2); and a second elastic member (5), with the second elastic member (5) being arranged between the twisting cover (4) and the top base (2).

Description

Shock absorbing device

Technical field

The present application relates to the field of shock absorption technology, for example, to a shock absorption buffer device.

Background technique

In the related art, large-scale equipment, especially pipelines of large-scale equipment, are usually provided with a vibration damping mechanism to realize the seismic resistance and support function during installation. Taking the rear exhaust pipe of a gas turbine as an example, when the exhaust pipe is installed, a shock absorption mechanism needs to be provided at the bottom of the exhaust pipe to support the rear exhaust pipe and damp the exhaust pipe. However, the shock absorption mechanism can only support the rear exhaust pipe and buffer up and down. For the rear exhaust pipe, its normal operating temperature is about 600 ° C, so when its temperature is from normal temperature to 600 At ℃, the rear exhaust pipe will expand or contract by about 30cm or cause deformation. The shock absorption mechanism in the related art cannot effectively solve the problems during the displacement or deformation of the rear exhaust pipe due to thermal expansion or contraction. The displacement or deformation of the rear exhaust pipe caused by various factors may even cause severe consequences of the rear exhaust pipe tearing.

Summary of the invention

The following is an overview of the topics detailed in this article. This summary is not intended to limit the scope of protection of the claims.

The present disclosure provides a shock absorbing and buffering device capable of effectively slowing down vibrations in various directions caused by displacement or deformation of components of large equipment due to thermal expansion and contraction.

A shock absorbing and buffering device, including a base;

A top base, which can move back and forth relative to the base;

A first elastic member disposed between the base and the top seat;

A twist cap, which is hinged on the upper end of the top base; and

A second elastic member is disposed between the twist cover and the top seat.

In an embodiment, a guide ring assembly is further included, and the top seat can be moved relative to the base through the guide ring assembly.

In one embodiment, the guide ring assembly includes a first slip ring, a guide ring, and a second slip ring that are disposed on an inner wall of the top seat and are sequentially disposed along a preset direction. The first slip ring, the guide ring, and The second slip ring is configured to be movable toward the base in the preset direction.

In an embodiment, the first elastic member is a compression spring, and two ends of the compression spring are respectively connected to the base and the top seat;

Or, both ends of the compression spring abut against the base and the top base, respectively.

In an embodiment, a sliding plate is further included, and the sliding plate is fixed on the twist cover.

In one embodiment, a plurality of the second elastic members are provided, and the plurality of the second elastic members are evenly disposed on the same circumference.

In an embodiment, the top seat includes an extension plate provided on an outer wall thereof, and the shock absorbing and buffering device further includes a stud and a nut, the stud is connected to the base and passes through the extension plate, And the nut is arranged to be screwed with the stud and can drive the extension plate to move.

In one embodiment, a connecting plate located on a side of the base far from the top base is further included. One end of the stud is fixed to the connecting plate, and the stud is disposed through the base, and The connecting plate is fixedly connected to the base.

In an embodiment, a gasket is detachably stacked between the base and the connection plate.

In one embodiment, a marking component is further included. The marking component includes an upright post installed on the base, and a scale mark disposed on one side of the upright post.

According to the present disclosure, when the components of large equipment are displaced or deformed due to thermal expansion and contraction due to factors such as thermal expansion and contraction, the present disclosure uses the top seat and the first elastic member to reciprocate relative to the base, and the twist of the ball hinge to the top seat The cover and the second elastic member can absorb and cushion the displacement or deformation of the components of the large-scale equipment, thereby ensuring the normal operation of the components of the large-scale equipment, and eliminating the hidden dangers of the operation of the large-scale equipment.

After reading and understanding the drawings and detailed description, other aspects can be understood.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic perspective view of a three-dimensional structure of a shock absorbing and buffering device according to an embodiment;

2 is a schematic diagram of a state of a shock absorbing and buffering device according to an embodiment;

3 is a side view of a shock absorbing and buffering device according to an embodiment;

FIG. 4 is an enlarged schematic diagram of A in FIG. 2 according to an embodiment.

In the picture:

1. Base; 2. Top seat; 3. First elastic member; 4. Twist cover; 5. Second elastic member; 6. Guide ring assembly; 7. Slider; 8. Stud; 9. Nut; 10. Connecting plate; 20, gasket; 30, identification component; 11, base plate; 12, base cylinder; 13, placing plate; 21, top seat plate; 22, top seat cylinder; 23, extension plate; A slip ring; 62, a guide ring; 63, a second slip ring; 301, a column; 302, a scale mark; 221, a step; 222, a mounting plate.

detailed description

The technical solutions of the present disclosure will be further described below with reference to the drawings and specific implementations.

The present disclosure provides a shock absorbing and buffering device. As shown in FIGS. 1-3, the shock absorbing and buffering device includes a base 1, a top seat 2, a first elastic member 3, a twist cover 4, a second elastic member 5, and a guide ring. Assembly 6 and slide 7, wherein:

The base 1 includes a base plate 11 and a base cylinder 12 welded above the base plate 11. A placing plate 13 is provided inside the base cylinder 12.

The top seat 2 includes a top seat plate 21 and a top seat cylinder 22 welded below the top seat plate 21, and the top seat cylinder 22 is sleeved on the base cylinder 12 of the base 1. The first elastic member 3 It is placed between the top seat plate 21 and the placing plate 13.

In one embodiment, the first elastic member 3 is a compression spring, and the two ends of the compression spring are respectively abutted or fixedly connected to the top plate 21 and the placing plate 13. With the compression spring, the top seat 2 can be opposite to the base 1 The reciprocating movement, and when the top seat 2 is moved down by the force, the compression spring can buffer the downward movement of the top seat 2 to offset the force received by the top seat 2. In one embodiment, a guide post (not shown in the figure) may be provided below the placing plate 13 and the top seat plate 21, and two ends of the compression spring are respectively sleeved on the guide post.

The twist cover 4 is hingedly disposed on the top base 2. In one embodiment, a circular groove is provided at the upper end of the top base 2. The twist cover 4 is placed in the circular groove, and the outer wall of the twist cover 4 is spherical. The cover 4 is rotatable around its own circle center. The second elastic member 5 is disposed between the twist cover 4 and the top base 2, wherein a plurality of the second elastic members 5 are provided, and the plurality of second elastic members 5 are evenly distributed between the twist cover 4 and the top base 2 in a circumferential direction. . The second elastic member 5 is a disc spring in one embodiment. When an external force is applied to the twist cover 4, the twist cover 4 is hinged to the top base 2 and the twist cover 4 is rotated. At this time, the end of the twist cover 4 turned to the bottom of the circular groove is pushed down by the second elastic member 5. The second elastic member 5 and the second elastic member 5 are compressed, and at the same time, the force received by the twist cover 4 is buffered.

In one embodiment, the top seat 2 and the first elastic member 3 reciprocating relative to the base 1 and the twist cover 4 and the second elastic member 5 hinged to the top seat 2 can absorb the displacement or deformation of the components of the large-scale equipment. And buffering, which can ensure the normal operation of the components of large equipment, and eliminate the hidden dangers of large equipment operation.

In one embodiment, the guide ring assembly 6 is disposed between the top cylinder 22 of the top base 2 and the base cylinder 12 of the base 1. As shown in FIG. The first slip ring 61, the guide ring 62, and the second slip ring 62 are provided. A step 221 is provided at the upper end of the inner wall of the top cylinder 22, and a mounting plate 222 is fixedly connected to the lower end face. The first slip ring 61, the guide ring 62, and the second slip ring 62 are placed on the step 221 and installed. Between plates 222. Through the first slip ring 61, the guide ring 62, and the second slip ring 62, when the top seat 2 moves relative to the base 1, the first slip ring 61, the guide ring 62, and the second slip ring 62 can play a guiding role. Moreover, the friction between the top base 2 and the base 1 can also be avoided, causing damage to the top base 2 or the base 1. In one embodiment, in order to prevent the first slip ring 61, the guide ring 62, and the second slip ring 62 from damaging the base cylinder 12 of the base 1, the outer wall surface of the base cylinder 12 is nickel-plated and heat-treated to make the base round. The hardness of the outer wall surface of the cylinder 12 reaches HRC68, so as to achieve the purpose of preventing abrasion and facilitating relative movement between the first slip ring 61, the guide ring 62, and the second slip ring 62 and the base cylinder 12, respectively.

In one embodiment, the slide plate 7 is fixed on the twist cover 4. The slide plate 7 is in direct contact with the components of the large-scale equipment, and can move relative to the slide plate 7 when the components of the large-scale equipment move.

In one embodiment, an extension plate 23 is provided on the outer wall of the cylinder 22 of the seat 2, and two extension plates 23 are provided symmetrically. A connecting plate 10 is provided below the base plate 11 of the base 1, and the connecting plate 10 and the base 1 are fixedly connected by bolts. In addition, two studs 8 are fixed on the connecting plate 10 symmetrically, and the two studs 8 are respectively disposed through the base plate 11 and the extension plate 23. A nut 9 is threadedly connected to the stud 8, and the nut 9 is provided above the extension plate 23. By screwing the nut 9, the nut 9 can press down the extension plate 23 to drive the entire top seat 2 downward relative to the base 1. Through the structural setting of the extension plate 23, the connection plate 10, the studs 8, and the nuts 9, the position of the top seat 2 can be adjusted. When the components of the large-scale equipment are supported by multiple shock absorbing and buffering devices and the components are biased towards one or more When there is one shock absorbing buffer device, the remaining shock absorbing buffer devices are higher than the shock absorbing buffer device. At this time, by adjusting the position of the top seat 2 of the shock absorbing buffer device not being weighted, a plurality of shock absorbing devices can be made. The shock absorption and buffering device is at the same height, which makes the components of large equipment in a stable state.

In one embodiment, a lifting lug or a ring nut is fixed on one end of the stud 8 not connected to the connection plate 10, and is used to hoist the entire shock absorbing and buffering device.

Referring to FIGS. 1 and 3, in an embodiment, a base plate 11 of the base 1 is further provided with an identification component 30. The identification component 30 includes a post 301 installed on the base plate 11 and a side of the post 301. The scale mark 302 is located on one side of the extension plate 23 in one embodiment, that is, the scale reading on the scale mark 302 is read by moving the extension plate 23 up and down. Through the above-mentioned identification assembly 30, the displacement amount of the components of the large equipment supported by the shock absorbing and buffering device can be measured. When the components undergo thermal expansion and contraction resulting in displacement, the top seat 2 will move, and the extension plate 23 will be aligned with the scale at this time. A scale value on the mark 302 can be obtained through the correspondence between the displacement amount and the scale (the correspondence relationship can be obtained through experiments).

In an embodiment, a scale may be provided on the outer wall of the top seat cylinder 22 of the top seat 2, and the scale on the scale mark 302 may be read by the scale.

In one embodiment, one or more shims 20 are detachably stacked between the base plate 11 and the connecting plate 10 of the base 1. When there are multiple shims 20, the thickness of the shims 20 can be selected according to requirements. Same or different. By providing the shim 20, when using a plurality of shock absorbing device support members, by adjusting and installing the shim 20 having different thicknesses, the plurality of shock absorbing devices can be leveled to improve the support and cushioning effect of the shock absorbing device. .

In use of the above-mentioned shock absorbing and buffering device in an embodiment, one or more shock absorbing and buffering devices may be selected and used according to the size of the components of a large-scale equipment. On the sliding sheet 7 of the buffer device, when the component is displaced or deformed due to thermal expansion and contraction, the above-mentioned shock absorption buffer device reciprocates the top base 2 and the first elastic member 3 relative to the base 1 and the ball hinges on the top base 2 The twist cover 4 and the second elastic member 5 can absorb and cushion the displacement or deformation of the components in the large-scale equipment, thereby ensuring the normal operation of the components of the large-scale equipment, and eliminating the hidden dangers of the operation of the large-scale equipment. In addition, through the setting of the identification component 30, the displacement amount of the component can be determined according to the read scale, which provides a basis and basis for the later maintenance of large-scale equipment.

When using multiple shock-absorbing cushioning devices, after placing the shock-absorbing cushioning device under the component, the top seat 2 can be driven to move by turning the nut 9 while cooperating with the installation of different gaskets 20 to make multiple shock-absorbing cushioning The device is leveled and then the components are effectively supported and cushioned.

Claims

A shock absorbing and buffering device includes:

Base (1);

A top seat (2) capable of reciprocating relative to the base (1); and

A first elastic member (3), the first elastic member (3) is disposed between the base (1) and the top seat (2);

A twist cover (4), the twist cover (4) being ball-hinged on the upper end of the top seat (2); and

A second elastic member (5), the second elastic member (5) is disposed between the twist cover (4) and the top seat (2).
The shock absorbing and buffering device according to claim 1, further comprising a guide ring assembly (6), and the top seat (2) can be moved relative to the base (1) through the guide ring assembly (6).
The shock absorbing and buffering device according to claim 2, wherein the guide ring assembly (6) comprises a first slip ring (61), a guide ring provided on an inner wall of the top seat (2) and sequentially arranged in a preset direction. A ring (62) and a second slip ring (63), the first slip ring (61), the guide ring (62), and the second slip ring (63) are configured to be able to move toward the base in the preset direction (1) Move.
The shock absorbing and buffering device according to claim 1, wherein the first elastic member (3) is a compression spring, and both ends of the compression spring are connected to the base (1) and the top base (2), respectively. ; Or both ends of the compression spring abut against the base (1) and the top base (2).
The shock absorbing and buffering device according to claim 1, further comprising a sliding plate (7), the sliding plate (7) is fixed on the twist cover (4).
The shock absorbing and buffering device according to claim 1, wherein a plurality of the second elastic members (5) are provided, and a plurality of the second elastic members (5) are evenly disposed on the same circumference.
The shock absorbing and buffering device according to claim 1, wherein the top seat (2) includes an extension plate (23) provided on an outer wall thereof, and the shock absorbing and buffering device further comprises a stud (8) and a nut ( 9), the stud (8) is connected to the base (1) and passes through the extension plate (23), and the nut (9) is arranged to be threadedly connected to the stud (8) and can be Drive the extension plate (23) to move.
The shock absorbing and buffering device according to claim 7, further comprising a connecting plate (10) located on a side of the base (1) away from the top seat (2), and one end of the stud (8) is fixed. Connected to the connection plate (10), the studs (8) are arranged through the base (1), and the connection plate (10) is fixedly connected to the base (1).
The shock absorbing and buffering device according to claim 8, wherein a gasket (20) is detachably stacked between the base (1) and the connecting plate (10).
The shock absorbing and buffering device according to claim 1, further comprising a sign assembly (30), the sign assembly (30) comprising a post (301) mounted on the base (1), and provided on the post ( 301) scale mark (302) on one side.