CN211100032U

CN211100032U - Vibration exciter and mounting device thereof

Info

Publication number: CN211100032U
Application number: CN201921410662.0U
Authority: CN
Inventors: 刘海淘
Original assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Current assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-28
Anticipated expiration: 2029-08-28

Abstract

The vibration exciter and the mounting device thereof have the advantages of simple and reasonable structure, low cost and long service life; the installation device comprises an installation frame, wherein installation chambers and excitation components installed in the installation chambers are arranged at the left end and the right end of the installation frame respectively, the excitation components comprise a first excitation end and a second excitation end which are installed at the lower end and the upper end of the installation chamber respectively, openings a and b are arranged at the upper end and the lower end of the installation chamber respectively, a main shaft connected with the first excitation end and the second excitation end is arranged in the installation chamber, the first excitation end comprises a bearing chamber installed in the opening b, and a positioning ring on the bearing chamber is installed at the lower end of the installation frame; the utility model has the advantages of simple structure and reasonable structure, with low costs, long service life, provide the exciting force through installing the excitation source at the both ends of vibration exciter, increased the stability of device, quick detachable and installation, easy maintenance, low in manufacturing cost can avoid the installation room to take place elastic deformation or thermal deformation, greatly increased life.

Description

Vibration exciter and mounting device thereof

Technical Field

The utility model relates to a sieve technical field shakes, in particular to vibration exciter and installation device thereof.

Background

The exciter is a device attached to some machines and equipments for generating exciting force, and is an important part for utilizing mechanical vibration. The vibration exciter can make the excited object obtain a certain form and magnitude of vibration quantity, so as to make vibration and strength test for object or make calibration for vibration testing instrument and sensor. The vibration exciter can also be used as an exciting part to form a vibrating machine for realizing the work of conveying, screening, compacting and molding materials or objects, tamping soil gravels and the like. The exciter can generate unidirectional or multidirectional, simple harmonic or non-simple harmonic exciting force.

The vibrating screen is common material screening equipment, and vibration exciters are arranged in the equipment to enable the equipment to reciprocate under the action of the exciting force, so that the requirements of dehydration, desliming, grading, conveying and the like of materials are met. The vibration exciter is a main driving part of most vibrating screens, the phenomenon that the vibration exciter is damaged frequently occurs under the condition of long-time working under the severe working condition of the environment, when the inner cavity of the vibration exciter is frequently high-temperature and burns a first bearing, particularly in hot summer, the phenomenon is more obvious, the main reason is that the inner cavity of the vibration exciter shell is seriously abraded due to the high temperature of the first bearing, the inner cavity is repaired through the processes of welding and boring, the vibration exciter shell is used for a plurality of times, the deformation of the inner cavity of the shell is serious, the internal stress of the structure cannot be eliminated, the size of the inner cavity of the first bearing of the shell is deviated, the precision cannot meet the use requirement, or when the external temperature is greatly changed or the temperature of the shaft per se is greatly changed, the shaft can be expanded with heat and contracted with cold, and the relationship between the first bearing and other parts is fixed, so the shaft and the first bearing can be damaged under the, leading to the failure of the vibration exciter and causing the loss of enterprises.

There is a need for an exciter and mounting apparatus therefor that addresses this problem.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a vibration exciter and a mounting device thereof, which have the advantages of simple structure, reasonable structure, low cost and long service life.

The technical proposal for solving is that the utility model comprises a mounting frame, the left and right ends of the mounting frame are both provided with a mounting chamber and a vibration excitation component arranged in the mounting chamber, the vibration excitation component comprises a first vibration excitation end and a second vibration excitation end which are respectively arranged at the lower end and the upper end of the mounting chamber, the upper end and the lower end of the mounting chamber are both provided with a first opening a and a second opening b, a main shaft connected with the first vibration excitation end and the second vibration excitation end is arranged in the mounting chamber, the first vibration excitation end comprises a bearing chamber arranged in the second opening b, a positioning ring arranged on the bearing chamber is arranged at the lower end of the mounting frame, a first bearing arranged on the main shaft is arranged in the bearing chamber, the upper end of the first bearing is provided with a gland fixedly arranged at the upper end of the bearing chamber, the lower end of the bearing chamber and the lower end of the gland are respectively provided with a, the lower end of the side surface of the bearing chamber is provided with a straight-through pipe joint communicated with the inside of the bearing chamber, and the first excitation end further comprises a first eccentric block group arranged at the lower end of the main shaft.

The utility model has the advantages that: the utility model has the advantages of simple structure and reasonable structure, with low costs, long service life, provide the exciting force through installing the excitation source at the both ends of vibration exciter, increased the stability of device, quick detachable and installation, easy maintenance, low in manufacturing cost can avoid the installation room to take place elastic deformation or thermal deformation, greatly increased life.

Drawings

Fig. 1 is a schematic structural diagram of the vibration exciter and the mounting device of the utility model mounted on the sieving machine.

Fig. 2 is a schematic structural diagram of the vibration exciter of the present invention.

Fig. 3 is an enlarged view of a in fig. 2 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1 to 3, the present invention comprises a mounting frame 1, the mounting frame 1 is composed of two parallel hard plates and a plurality of ribs connecting the two hard plates, the left and right ends of the mounting frame 1 are respectively provided with a mounting chamber 2 and a vibration excitation assembly installed in the mounting chamber 2, the vibration excitation assembly comprises a first vibration excitation end 3 and a second vibration excitation end 4 installed at the lower end and the upper end of the mounting chamber 2, the upper and lower ends of the mounting chamber 2 are respectively provided with a first opening 5a and a second opening 5b, a main shaft 6 connected with the first vibration excitation end 3 and the second vibration excitation end 4 is arranged in the mounting chamber 2, the second vibration excitation end 4 comprises a bearing chamber 7 installed in the second opening 5b, a first inner cavity and a second inner cavity are arranged in the bearing chamber 7, a positioning ring 8 on the bearing chamber 7 is installed at the lower end of the mounting frame 1, namely, the bearing chamber 7 is fixedly installed on the mounting frame 1 through the positioning ring 8, a first bearing 9 installed on the main shaft 6 is, the first bearing 9 is arranged in the first inner cavity, the upper end of the first bearing 9 is provided with a gland 10 fixedly arranged at the upper end of the bearing chamber 7, the lower end of the gland 10 is provided with a groove, most of the upper end surface of the first bearing 9 is not contacted with the gland 10, the lower end of the bearing chamber 7 and the lower end of the gland 10 are respectively provided with a first framework oil seal 11 and a second framework oil seal 12 which are arranged on the main shaft 6 and are used for preventing lubricating oil in the bearing chamber 7 from leaking into the mounting chamber 2 through the gland 10 or leaking through the connection part of the lower end of the bearing chamber 7 and the main shaft 6, the lower end of the bearing chamber 7 is fixedly provided with an oil seal cover 13 which is used for fixing the first framework oil seal 11 at the lower end of the bearing chamber 7, the oil seal cover 13 is detachably fixed at the lower end of the bearing chamber 7 through a fastener, the lower end of the side surface of the bearing chamber 7 is provided with a straight, lubricating liquid can be injected into the bearing chamber 7 through the straight-through pipe joint 14, the second excitation end 4 further comprises a first eccentric block group 15 arranged at the lower end of the main shaft 6, and the first eccentric block group 15 consists of one or more same eccentric blocks.

The second excitation end 4 and the first excitation end 3 have the same structure, and the installation position of the second excitation end and the first excitation end 3 are symmetrical about the center of the installation chamber 2, so that the upper end and the lower end of the installation frame 1 are subjected to the same excitation force generated by the first excitation end 3 and the second excitation end 4.

The first bearing 9 is a cylindrical roller bearing.

A thrust ball bearing 16 connected with the first bearing 9 is arranged in the bearing chamber 7 in the second excitation end 4, the lower end of the thrust ball bearing 16 is connected with the lower end of the inner side wall of the bearing chamber 7, and the upper end of the thrust ball bearing 16 is connected with the lower end of the first bearing 9, so that the lower end of the first bearing 9 is in clearance fit with the lower end surface of the first inner cavity of the bearing chamber 7.

The outer side of the mounting chamber 2 is provided with a restraining ring 17 arranged in the middle of the mounting chamber 2, and the radial yield strength of the mounting chamber 2 can be enhanced by the restraining ring 17.

The gland 10 is fixedly connected with the bearing chamber 7 through a bolt, and a spring washer is arranged at the joint of the bolt and the gland 10.

A backing ring 18 sleeved on the side surface of the bearing chamber 7 is arranged between the positioning ring 8 of the bearing chamber 7 and the mounting frame 1, so that the strength of the bearing chamber 7 and the mounting frame 1 can be increased, and the mounting frame 1 and the bearing chamber 7 are prevented from being deformed by overlarge force when being mounted.

The utility model provides a mounting device is including putting the mounting flange on the shale shaker to one side, and mounting bracket 1 is installed on mounting flange, and the both ends of mounting bracket 1 extend the front and back both ends of shale shaker, and the excitation subassembly at 1 both ends of mounting bracket is located the front and back both ends of shale shaker respectively promptly, and mounting flange's downside is equipped with drive shaft pivoted driving motor 21.

The rotating shaft of the driving motor 21 is connected with the lower end of the main shaft 6 through the universal coupling 23, and the condition that the rotating shaft of the driving motor 21 and the main shaft 6 are not parallel to each other and cannot be installed due to errors can be compensated.

The utility model discloses when using, pass through the installation device with the vibration exciter and install the both ends at the sieving machine, rotate by driving motor 21 drive main shaft 6, main shaft 6 drives eccentric block group and rotates and produce the exciting force.

The foregoing detailed description/examples, which are specific to embodiments of the present invention and which are intended to illustrate the concepts of the invention, are intended to be illustrative and exemplary and should not be construed as limiting the scope of the invention and embodiments thereof. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A vibration exciter comprises a mounting frame (1), and is characterized in that a mounting chamber (2) and a vibration exciting assembly arranged in the mounting chamber (2) are arranged at the left end and the right end of the mounting frame (1), the vibration exciting assembly comprises a first vibration exciting end (3) and a second vibration exciting end (4) which are respectively arranged at the lower end and the upper end of the mounting chamber (2), a first opening (5a) and a second opening (5b) are respectively arranged at the upper end and the lower end of the mounting chamber (2), a main shaft (6) connected with the first vibration exciting end (3) and the second vibration exciting end (4) penetrates through the mounting chamber (2), the second vibration exciting end (4) comprises a bearing chamber (7) arranged in the second opening (5b), a positioning ring (8) on the bearing chamber (7) is arranged at the lower end of the mounting frame (1), a first bearing (9) arranged at the upper end of the main shaft (6) is arranged in the bearing chamber (7), a gland (10) fixedly arranged at the bearing chamber (7) is arranged at the upper end of the, the lower extreme of bearing chamber (7) and the lower extreme of gland (10) are equipped with first skeleton oil blanket (11) and second skeleton oil blanket (12) of installing on main shaft (6) respectively, and the lower extreme fixed mounting of bearing chamber (7) has oil blanket lid (13), and the lower extreme of bearing chamber (7) side surface is equipped with through coupling (14) inside intercommunication bearing chamber (7), and second excitation end (4) still are including installing first eccentric block group (15) at main shaft (6) lower extreme.

2. An exciter according to claim 1, characterized in that the second excitation end (4) is identical in structure with the first excitation end (3) and is arranged symmetrically with the first excitation end (3) about the center of the mounting chamber (2).

3. An exciter according to claim 1, wherein the first bearing (9) is a cylindrical roller bearing.

4. An exciter according to claim 1, characterised in that a thrust ball bearing (16) connected to the first bearing (9) is provided in the bearing chamber (7) in the second excitation end (4).

5. An exciter according to claim 1, characterized in that the outside of the mounting chamber (2) is provided with a confinement ring (17) mounted in the middle of the mounting chamber (2).

6. The vibration exciter according to claim 1, characterized in that the gland (10) is fixedly connected with the bearing chamber (7) through bolts, and spring washers are arranged at the joints of the bolts and the gland (10).

7. An exciter according to claim 1, characterized in that a backing ring (18) is provided between the positioning ring (8) of the bearing chamber (7) and the mounting frame (1) and is fitted on the side surface of the bearing chamber (7).

8. A mounting device is characterized by comprising a vibration exciter and a mounting flange obliquely arranged on a vibrating screen, wherein a driving motor (21) for driving a rotating shaft to rotate is arranged on the lower side of the mounting flange.

9. A mounting arrangement according to claim 8, characterised in that the shaft of the drive motor (21) is connected to the lower end of the main shaft (6) by means of a universal joint (23).