CN215861486U

CN215861486U - Shock-absorbing mechanical device

Info

Publication number: CN215861486U
Application number: CN202122332039.1U
Authority: CN
Inventors: 白跃辉
Original assignee: Hebi College of Vocation and Technology
Current assignee: Hebi College of Vocation and Technology
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-02-18
Anticipated expiration: 2031-09-26

Abstract

The utility model belongs to the technical field of mechanical equipment, and relates to a damping mechanical device, which comprises: an upper bearing plate and a lower bearing plate; the first plunger hydraulic cylinder is vertically arranged between the upper bearing plate and the lower bearing plate; the first elastic piece is sleeved on the first plunger hydraulic cylinder; the second plunger hydraulic cylinder is horizontally arranged between the upper bearing plate and the lower bearing plate, and one end of the second plunger hydraulic cylinder is connected to the first plunger hydraulic cylinder and communicated with the first plunger hydraulic cylinder; the damping ball is connected to the other end of the second plunger hydraulic cylinder; and the sliding limiting mechanism is arranged below the damping ball and used for keeping the damping ball to move horizontally. According to the utility model, through the matching of the damping ball and the plunger hydraulic cylinder, the damping effect is greatly enhanced, the impact force on mechanical equipment caused by larger vibration amplitude of the mechanical equipment is reduced, the damage of parts is avoided, the service life of the parts is prolonged, the mechanical equipment can stably run, and the working efficiency of the mechanical equipment is improved.

Description

Shock-absorbing mechanical device

Technical Field

The utility model belongs to the technical field of mechanical equipment, and relates to a damping mechanical device.

Background

Mechanical devices are of a wide variety, and some of their components, even themselves, may undergo different forms of mechanical movement when the mechanical device is in operation. The mechanical equipment consists of a driving device, a speed changing device, a transmission device, a working device, a braking device, a protection device, a lubricating system, a cooling system and the like.

When the transmission device is used, a motor or other driving devices are generally used as a power source for driving; equipment can take place vibrations usually at the rotation operation in-process, when vibration amplitude is big, can cause great impact to mechanical equipment, not only can cause the damage to the part like this for the life of part shortens, still can cause the influence to the stability when equipment uses, causes equipment parking to influence production operation when serious, causes the loss for mill or enterprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping mechanical device to solve the technical problem that parts of existing mechanical equipment are damaged when the vibration amplitude of the existing mechanical equipment is large.

In order to achieve the purpose, the specific technical scheme of the damping mechanical device is as follows:

a cushioning mechanism comprising:

an upper bearing plate and a lower bearing plate;

the first plunger hydraulic cylinder is vertically arranged between the upper bearing plate and the lower bearing plate;

the first elastic piece is sleeved on the first plunger hydraulic cylinder;

the second plunger hydraulic cylinder is horizontally arranged between the upper bearing plate and the lower bearing plate, and one end of the second plunger hydraulic cylinder is connected to the first plunger hydraulic cylinder and communicated with the first plunger hydraulic cylinder;

the damping ball is connected to the other end of the second plunger hydraulic cylinder;

and the sliding limiting mechanism is arranged below the damping ball and used for keeping the damping ball to move horizontally.

The present invention is also characterized in that,

the first plunger hydraulic cylinder is composed of a first plunger and a first plunger cylinder, the upper end of the first plunger is fixedly connected to the lower portion of the upper bearing plate, the lower portion of the first plunger cylinder is fixedly connected to the upper portion of the lower bearing plate, the first elastic piece is sleeved on the first plunger, one end of the first elastic piece is fixedly connected to the first plunger cylinder, the other end of the first elastic piece is fixedly connected to the upper bearing plate, the second plunger hydraulic cylinder is composed of a second plunger and a second plunger cylinder, one end of the second plunger is fixedly connected to the side face of the damping ball, one end of the second plunger cylinder is fixedly connected to the side face of the first plunger cylinder, and the second plunger cylinder is communicated with the first plunger cylinder.

The sliding groove is formed in the surface of the lower bearing plate and close to the damping ball, the sliding groove is arranged in the sliding groove along the direction of the second plunger hydraulic cylinder, the sliding block is connected with the damping ball through a connecting rod, and two ends of the connecting rod are fixedly connected with the sliding block and the damping ball respectively.

The four first plunger hydraulic cylinders are arranged annularly, two adjacent first plunger cylinders are connected through a flow guide pipe, and the flow guide pipe is communicated with the two first plunger cylinders respectively.

Wherein the flow guide pipe is provided with an injection hole.

Wherein go up the vertical a plurality of gag lever posts that are provided with between bearing plate and the lower bearing plate, a plurality of gag lever posts evenly set up the border position at bearing plate down, the both ends of each gag lever post respectively with last bearing plate, lower bearing plate fixed connection, the gag lever post is the telescopic link.

Wherein the limiting rod is sleeved with a second elastic piece.

The damping mechanical device has the following advantages that: through the cooperation of damping ball and plunger pneumatic cylinder, make absorbing effect obtain the reinforcing of very big degree, alleviateed because the great impact force that causes it of mechanical equipment vibration amplitude, avoided the part to damage, improved the life of part to make mechanical equipment can the even running, improved mechanical equipment's work efficiency, make four second plunger pneumatic cylinders simultaneously through the honeycomb duct can synchronous motion, make the effort disperse more evenly, further improved absorbing effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a shock absorbing mechanism according to the present invention;

FIG. 2 is a schematic top view of a lower bearing plate of the damping mechanism of the present invention;

reference numerals:

1. an upper bearing plate; 2. a lower bearing plate; 3. a first elastic member; 4. a first ram cylinder; 41. a first plunger; 42. a first plunger cylinder; 5. a second plunger hydraulic cylinder; 51. a second plunger; 52. a second plunger cylinder; 6. a damping ball; 7. a connecting rod; 8. a flow guide pipe; 9. a slider; 10. a chute; 11. a limiting rod; 12. a second elastic member; 13. and an orifice.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the shock absorption mechanical device comprises an upper bearing plate 1 and a lower bearing plate 2, wherein the upper bearing plate 1 is used for connecting mechanical equipment, four first plunger hydraulic cylinders 4 are vertically arranged between the upper bearing plate 1 and the lower bearing plate 2, the four first plunger hydraulic cylinders 4 are arranged in an annular shape, a first elastic part 3 is sleeved on the first plunger hydraulic cylinders 4, a second plunger hydraulic cylinder 5 is horizontally arranged between the upper bearing plate 1 and the lower bearing plate 2, one end of the second plunger hydraulic cylinder 5 is connected to the first plunger hydraulic cylinder 4 and communicated with the first plunger hydraulic cylinder 4, one end of the second plunger hydraulic cylinder 5 is connected with a damping ball 6, and a sliding limiting mechanism is arranged below the damping ball 6 and used for enabling the damping ball 6 to keep moving horizontally.

The first plunger hydraulic cylinder 4 is composed of a first plunger 41 and a first plunger cylinder 42, the upper end of the first plunger 41 is fixedly connected to the lower portion of the upper bearing plate 1, the lower portion of the first plunger cylinder 42 is fixedly connected to the upper portion of the lower bearing plate 2, the first plunger 41 is sleeved with the first elastic part 3, one end of the first elastic part 3 is fixedly connected to the first plunger cylinder 42, the other end of the first elastic part 3 is fixedly connected to the upper bearing plate 1, the second plunger hydraulic cylinder 5 is composed of a second plunger 51 and a second plunger cylinder 52, one end of the second plunger 51 is fixedly connected to the side face of the damping ball 6, one end of the second plunger cylinder 52 is fixedly connected to the side face of the first plunger cylinder 42, and the second plunger cylinder 52 is communicated with the first plunger cylinder 42.

The position that the surface of lower bearing plate is close to damping ball 6 has seted up spout 10, and the direction of spout 10 is provided with slider 9 along the direction of second plunger pneumatic cylinder 5 in the spout 10, and slider 9 can freely slide in spout 10, is connected through connecting rod 7 between slider 9 and the damping ball 6, and the both ends of connecting rod 7 respectively with slider 9, damping ball 6 fixed connection, make damping ball 6 remain the horizontal motion throughout.

The adjacent two first plunger cylinders 42 are connected through the guide pipe 8, and the guide pipe 8 is respectively communicated with the two first plunger cylinders 42, so that the pressure in the four first plunger hydraulic cylinders 4 is the same, and the two second plunger hydraulic cylinders 5 keep synchronous motion. The flow guide pipe 8 is provided with an injection hole 13, hydraulic oil is added into the four first plunger cylinders 42 through the injection hole 13, and in addition, the injection hole 13 keeps sealed when the hydraulic oil is not added.

Go up vertical four gag lever posts 11 that are provided with between bearing plate 1 and the lower bearing plate 2, four gag lever posts 11 evenly set up the border position at bearing plate 2 down, each gag lever post 11 both ends respectively with last bearing plate 1, 2 fixed connection of lower bearing plate, gag lever post 11 is the telescopic link, make and go up bearing plate 1 and remain the motion in vertical direction all the time, the cover is equipped with second elastic component 12 on the gag lever post 11, further increases the effect of buffering.

The working principle is as follows: when the shock absorber is used, the upper bearing plate 1 is connected with a mechanical device, when the upper bearing plate 1 is subjected to shock generated by operation of mechanical equipment, the upper bearing plate 1 moves downwards, a buffering effect is generated on the upper bearing plate 1 through the four first elastic parts 3 and the four second elastic parts 12, meanwhile, the upper bearing plate 1 presses the four first plungers 41 to move downwards simultaneously, each first plunger 41 contracts into the first plunger cylinder 42, the pressure in the first plunger cylinder 42 is increased, the pressures in the 4 first plunger cylinders 42 are the same through the flow guide pipe 8, the pressures in the four second plunger cylinders 52 are simultaneously applied, then the second plungers 51 are extruded to extend outwards, the damping ball 6 is pushed to move in a direction away from the second plunger cylinders 52, the slide block 9 is subjected to the action of the gravity of the damping ball 6, and corresponding friction force is applied to the slide block 10, so that the slide block 9 slides slowly in the slide block 10, and further, the speed of the damping ball 6 is slowed, the second plunger 51 is subjected to corresponding resistance, the speed of the second plunger extending out of the second plunger cylinder 52 is slowed, the speed of the first plunger 41 retracting into the first plunger cylinder 42 is changed, the speed of the upper bearing plate 1 descending is slowed, and when the upper bearing plate 1 moves upwards under the elastic forces of the four first elastic members 3 and the four second elastic members 12, the speed of the upward movement is slowed, so that a large damping effect is generated on mechanical equipment, and the mechanical equipment can run stably.

According to the damping mechanical device, the damping effect is greatly enhanced through the matching of the damping ball and the plunger hydraulic cylinders, the impact force on the mechanical device due to large vibration amplitude is reduced, the damage to parts is avoided, the service life of the parts is prolonged, the mechanical device can stably run, the working efficiency of the mechanical device is improved, the four second plunger hydraulic cylinders can synchronously move through the guide pipes, the acting force can be dispersed more uniformly, and the damping effect is further improved.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A cushioning mechanism, comprising:

an upper bearing plate (1) and a lower bearing plate (2);

the first plunger hydraulic cylinder (4) is vertically arranged between the upper bearing plate (1) and the lower bearing plate (2);

the first elastic piece (3) is sleeved on the first plunger hydraulic cylinder (4);

the second plunger hydraulic cylinder (5) is horizontally arranged between the upper bearing plate (1) and the lower bearing plate (2), and one end of the second plunger hydraulic cylinder is connected to the first plunger hydraulic cylinder (4) and communicated with the first plunger hydraulic cylinder (4);

the damping ball (6) is connected to the other end of the second plunger hydraulic cylinder (5);

and the sliding limiting mechanism is arranged below the damping ball (6) and is used for keeping the damping ball (6) moving horizontally.

2. A shock-absorbing mechanism as claimed in claim 1, wherein said first plunger cylinder (4) is composed of a first plunger (41) and a first plunger cylinder (42), the upper end of said first plunger (41) is fixedly connected to the lower portion of the upper bearing plate (1), the lower portion of said first plunger cylinder (42) is fixedly connected to the upper portion of the lower bearing plate (2), said first elastic member (3) is sleeved on the first plunger (41), one end of said first elastic member (3) is fixedly connected to the first plunger cylinder (42), the other end of said first elastic member (3) is fixedly connected to the upper bearing plate (1), said second plunger cylinder (5) is composed of a second plunger (51) and a second plunger cylinder (52), one end of said second plunger (51) is fixedly connected to the side of the damping ball (6), and one end of said second plunger cylinder (52) is fixedly connected to the side of the first plunger cylinder (42), the second plunger cylinder (52) is in communication with the first plunger cylinder (42).

3. The damping mechanical device according to claim 2, wherein a sliding groove (10) is formed in the surface of the lower bearing plate, which is close to the damping ball (6), the direction of the sliding groove (10) is along the direction of the second plunger hydraulic cylinder (5), a sliding block (9) is arranged in the sliding groove (10), the sliding block (9) is connected with the damping ball (6) through a connecting rod (7), and two ends of the connecting rod (7) are respectively fixedly connected with the sliding block (9) and the damping ball (6).

4. A shock-absorbing mechanism according to claim 3, wherein there are four said first ram cylinders (4), four said first ram cylinders (4) are arranged in a ring shape, and two adjacent first ram cylinders (42) are connected by a fluid guide pipe (8), and said fluid guide pipe (8) is respectively communicated with two first ram cylinders (42).

5. A shock-absorbing mechanism as claimed in claim 4, characterized in that said flow-guide tube (8) is provided with an orifice (13).

6. The damping mechanical device according to claim 1, wherein a plurality of limiting rods (11) are vertically arranged between the upper bearing plate (1) and the lower bearing plate (2), the limiting rods (11) are uniformly arranged at the edge position of the lower bearing plate (2), two ends of each limiting rod (11) are respectively and fixedly connected with the upper bearing plate (1) and the lower bearing plate (2), and the limiting rods (11) are telescopic rods.

7. A shock-absorbing mechanism as claimed in claim 6, characterised in that said limiting rod (11) is fitted with a second elastic element (12).