CN215980664U

CN215980664U - Buffer device of crusher

Info

Publication number: CN215980664U
Application number: CN202122141849.9U
Authority: CN
Inventors: 邹少闻; 李洪聪; 王洪伟; 陈刚; 张健; 王利东
Original assignee: Liugong Metso Architectural Equipment Changzhou Co ltd
Current assignee: Guangxi Liugong Machinery Co Ltd; Metso Finland Oy
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-08
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a buffer device of a crusher, wherein a plurality of elastic shock absorbers are arranged on the crusher, a driving shaft is arranged on the crusher, a belt pulley is arranged on the driving shaft, a driving wheel is arranged on one side of the crusher, a belt is wound on the belt pulley and the driving wheel, and a buffer device for reducing the swing amplitude of the driving shaft during working is arranged on the driving shaft. The utility model provides a crusher buffering device, which adopts a buffering device to limit the vibration amplitude of a belt pulley, namely the relative position change of the belt pulley and a driving wheel is reduced, and the belt can be prevented from loosening and falling off.

Description

Buffer device of crusher

Technical Field

The utility model relates to the technical field of crushers, in particular to a buffer device of a crusher.

Background

The crusher drives the crusher to work through the rotation of the driving shaft, the driving shaft is provided with a belt pulley, the motor is in transmission connection with a driving wheel, and the driving wheel and the belt pulley are bypassed through a belt, so that the motor drives the crusher to work.

The breaker in operation, the drive shaft drives the dynamic cone and rotates, the rotation of dynamic cone is an eccentric motion, can produce certain reaction force at level and vertical direction to the frame at crushing process, and the position of this power is constantly moving on the circumference, including general breaker all has higher rotational speed, and the breaker is installed on elastic shock absorber, this power will produce a great vibration effect to the breaker, the vibration of breaker can lead to drive shaft amplitude of oscillation big, produce the relative position between belt pulley and the drive wheel and remove, the belt of original tensioning will produce laxly, thereby break away from the trough of belt on the wheel, produce the phenomenon of jumping belt. The belt is separated from the crusher, so that the crusher cannot work normally and needs to be stopped for maintenance.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the defects that the driving shaft has large swing amplitude and a belt is easy to jump off when the crusher vibrates in the prior art, the utility model provides a buffer device of the crusher.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a breaker buffer, is equipped with a plurality of elastic shock absorbers on the breaker, is equipped with the drive shaft on the breaker, be provided with the belt pulley in the drive shaft, breaker one side is equipped with the drive wheel, around being equipped with the belt on belt pulley and the drive wheel, be equipped with the buffer that reduces its during operation amplitude of oscillation in the drive shaft.

When the crusher vibrates during working, the buffer device is used for reducing the swing amplitude of the driving shaft during working, so that the distance between the belt pulley and the driving wheel is controlled, and the tensioned belt cannot be loosened to cause belt jumping.

Furthermore, a buffer device for reducing the swing amplitude of the belt pulley towards the driving wheel is arranged on the driving shaft. When the crusher works to generate vibration, the buffer device is used for reducing the swing amplitude of the belt pulley towards the driving wheel, so that the distance between the belt pulley and the driving wheel is controlled, and the tensioned belt cannot be loosened to generate the belt jumping phenomenon.

Further, buffer includes pull rod and fixing base, the fixing base is located the drive shaft is kept away from one side of drive wheel, fixing base and base fixed connection, pull rod one end with the drive shaft is connected, the other end with the fixing base is connected. The fixing seat is arranged on the base, the pull rod is arranged on the fixing seat, and the pull rod is used for preventing the driving shaft from swinging in the direction close to the driving wheel.

Furthermore, a connecting hole is formed in the fixed seat, the aperture of the connecting hole is slightly larger than the diameter of the pull rod, and the pull rod penetrates through the connecting hole and is connected with the fixed seat through a nut. The pull rod is fixed on the fixed seat through the nut, so that the driving shaft is prevented from swinging in the direction close to the driving wheel; when the aperture of the connecting hole is slightly larger than the diameter of the pull rod and is used for the vibration of the crusher, the pull rod can swing in the connecting hole in a small range, and if the clamp between the pull rod and the connecting hole is too dead, the fixed seat and the pull rod are easily damaged when the crusher vibrates.

Furthermore, an elastic piece is sleeved on the pull rod and arranged between the fixed seat and the nut. The setting of elastic component makes and has the buffering between pull rod and the fixing base, extension pull rod and fixing base life.

Furthermore, in order to prevent the crusher from driving the pull rod to move on the fixing seat when vibrating, a limiting ring is arranged on the pull rod, and the limiting ring is arranged on one side, away from the nut, of the fixing seat.

Furthermore, one end of the pull rod, which is far away from the fixed seat, is fixedly connected with a clamp, and the clamp sleeve is arranged on one side, which is close to the belt pulley, of the driving shaft. The driving shaft is embraced by the clamp, so that the swinging of the belt pulley is limited to a great extent, but the integral vibration of the crusher cannot be influenced.

Further, buffer includes the baffle, the baffle is located the drive shaft is close to one side of drive wheel, the baffle is vertical to be located on the base, the cover is equipped with the bearing on the drive shaft, be equipped with on the baffle with bearing complex blotter. The baffle plate is arranged to limit the belt pulley to approach the driving wheel, and belt skipping cannot occur if the distance between the belt pulley and the driving wheel is not reduced; the bearing is arranged on the driving shaft, so that when the driving shaft hits the baffle, the outer ring of the bearing is contacted with the baffle, and the normal rotation of the driving shaft cannot be influenced; the baffle is provided with a buffer pad for preventing the driving shaft and the bearing on the driving shaft from being damaged.

Further, buffer includes that the cover locates the buffering ring on the drive shaft, the buffering ring is vertical to be located on the base, the buffering intra-annular wall is equipped with a plurality of buffer spring that set up towards the drive shaft direction. The arrangement of the buffer ring and the buffer spring is used for reducing the swing amplitude of the driving shaft during working, so that the swing amplitude of the belt pulley is reduced, and the belt on the belt pulley and the driving wheel is prevented from jumping.

The utility model has the beneficial effects that: the utility model provides a crusher buffering device, which adopts a buffering device to limit the vibration amplitude of a belt pulley, namely the relative position change of the belt pulley and a driving wheel is reduced, and the belt can be prevented from loosening and falling off.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a buffering device according to a preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a second buffer device according to an embodiment;

FIG. 4 is a schematic structural diagram of a third buffer device according to an embodiment.

In the figure: 1. the device comprises a driving wheel, 2, a belt, 3, a crusher, 4, an elastic shock absorber, 5, a belt pulley, 6, a fixed seat, 7, a pull rod, 8, an elastic part, 9, a hoop, 10, a limiting ring, 11, a nut, 12, a baffle, 13, a bearing, 14, a buffer ring, 15, a buffer spring, 16 and a driving shaft.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

The first embodiment is as follows:

as shown in fig. 1 and 2, according to the buffering device for the crusher of the present invention, the crusher 3 is disposed on the base through a plurality of elastic dampers 4, the crusher 3 is provided with a driving shaft 16, the driving shaft 16 is provided with a belt pulley 5, one side of the crusher 3 is provided with a driving wheel 1, the driving wheel 1 is disposed on the base through a motor, the belt pulley 5 and the driving wheel 1 are wound with a belt 2, and the driving shaft 16 is provided with a buffering device for reducing the swing amplitude of the belt pulley 5 towards the driving wheel 1.

Buffer includes pull rod 7 and fixing base 6, fixing base 6 is located drive shaft 16 is kept away from one side of drive wheel 1, fixing base 6 and base fixed connection, pull rod 7 one end with drive shaft 16 is connected, the other end with fixing base 6 connects.

The fixing seat 6 is provided with a connecting hole, the aperture of the connecting hole is slightly larger than the diameter of the pull rod 7, and the pull rod 7 penetrates through the connecting hole and is connected with the fixing seat 6 through a nut 11.

The pull rod 7 is sleeved with an elastic part 8, the elastic part 8 can be a rubber ring, and the elastic part 8 is arranged between the fixed seat 6 and the nut 11. The pull rod 7 is provided with a limiting ring 10, and the limiting ring 10 is arranged on one side, far away from the nut 11, of the fixing seat 6. One end fixedly connected with clamp 9 of fixing base 6 is kept away from to pull rod 7, clamp 9 cover is located drive shaft 16 is close to one side of belt pulley 5.

The working process is as follows:

before the crusher 3 starts to work, the belt 2 is tensioned, and the nut 11 on the buffer device is adjusted after the belt 2 is tensioned, so that the pull rod 7 generates a certain pretightening force on the driving shaft 16. When the crusher 3 works, the belt pulley 5 swings along with the vibration of the crusher 3, at the moment, the buffer device can greatly reduce the swing amplitude, the existence of the rubber ring in the buffer device can enable the pull rod 7 to effectively limit the swing amplitude of the belt pulley 5, and the pull rod 7 cannot be damaged due to larger stress. The damping means limits the amplitude of the oscillation of the pulley 5, i.e. the relative position of the pulley 5 and the drive wheel 1 becomes less variable, thereby preventing the belt 2 from coming out of the belt grooves on the pulley 5 and the drive wheel 1.

Example two:

as shown in fig. 3, the difference between the present embodiment and the first embodiment is that the buffering device includes a baffle 12, the baffle 12 is disposed on a side of the driving shaft 16 close to the driving wheel 1, the baffle 12 is vertically disposed on the base, a bearing 13 is sleeved on the driving shaft 16, and a cushion pad matched with the bearing 13 is disposed on the baffle 12.

Example three:

as shown in fig. 4, the difference between the present embodiment and the first embodiment is that the buffering device includes a buffering ring 14 sleeved on the driving shaft 16, the buffering ring 14 is vertically disposed on the base, and a plurality of buffering springs 15 disposed toward the driving shaft 16 are disposed on an inner wall surface of the buffering ring 14.

Directions and references (e.g., up, down, left, right, etc.) may be used in the present disclosure only to aid in the description of features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a breaker buffer is equipped with a plurality of elastic shock absorbers (4) on breaker (3), is equipped with drive shaft (16) on breaker (3), be provided with belt pulley (5) on drive shaft (16), breaker (3) one side is equipped with drive wheel (1), around being equipped with belt (2), its characterized in that on belt pulley (5) and drive wheel (1): and a buffer device for reducing the swing amplitude of the driving shaft (16) during working is arranged on the driving shaft.

2. A crusher buffering mechanism as claimed in claim 1, wherein: and a buffer device for reducing the swing amplitude of the belt pulley (5) towards the driving wheel (1) is arranged on the driving shaft (16).

3. A crusher buffering mechanism as claimed in claim 2, wherein: buffer includes pull rod (7) and fixing base (6), fixing base (6) are located drive shaft (16) is kept away from one side of drive wheel (1), fixing base (6) and base fixed connection, pull rod (7) one end with drive shaft (16) are connected, the other end with fixing base (6) are connected.

4. A crusher buffering mechanism as claimed in claim 3, wherein: the fixing seat (6) is provided with a connecting hole, the aperture of the connecting hole is slightly larger than the diameter of the pull rod (7), and the pull rod (7) penetrates through the connecting hole to be connected with the fixing seat (6) through a nut (11).

5. A crusher damping device according to claim 4, characterised in that: the pull rod (7) is sleeved with an elastic piece (8), and the elastic piece (8) is arranged between the fixed seat (6) and the nut (11).

6. A crusher damping device as claimed in claim 4 or 5, wherein: the pull rod (7) is provided with a limiting ring (10), and the limiting ring (10) is arranged on one side, away from the nut (11), of the fixing seat (6).

7. A crusher buffering mechanism as claimed in claim 3, wherein: one end fixedly connected with clamp (9) of fixing base (6) is kept away from in pull rod (7), clamp (9) cover is located one side that drive shaft (16) are close to belt pulley (5).

8. A crusher buffering mechanism as claimed in claim 2, wherein: buffer includes baffle (12), baffle (12) are located drive shaft (16) are close to one side of drive wheel (1), baffle (12) are vertical to be located on the base, the cover is equipped with bearing (13) on drive shaft (16), be equipped with on baffle (12) with bearing (13) complex blotter.

9. A crusher buffering mechanism as claimed in claim 2, wherein: the buffer device comprises a buffer ring (14) sleeved on the driving shaft (16), the buffer ring (14) is vertically arranged on the base, and a plurality of buffer springs (15) arranged towards the driving shaft (16) are arranged on the inner wall surface of the buffer ring (14).