CN211514725U

CN211514725U - Lower sealing device of vertical crusher

Info

Publication number: CN211514725U
Application number: CN201922450611.7U
Authority: CN
Inventors: 谭国鸿; 闫三
Original assignee: Henan Yurui Machinery Manufacturing Co ltd
Current assignee: Henan Yurui Machinery Manufacturing Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-18
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a vertical crusher designs technical field, concretely relates to sealing device under vertical crusher, including lower bearing, lower bearing cap, the third backplate, second connecting seat and sealing washer, lower bearing cap, the third backplate, second connecting seat and sealing washer are all overlapped in the lower part of crusher pivot, the lower bearing cap is located down in the periphery of bearing, third backplate and lower bearing cap upper surface connection, third backplate and lower bearing upper surface contact, be equipped with the lubricated chamber of third between third backplate and lower bearing, the sealing washer is located the lubricated chamber top of third, the lower part of second connecting seat and the upper surface connection of third backplate, the upper portion and the axle sleeve top of second connecting seat connect. Through setting up the sealing device under the vertical crusher who comprises lower bearing, lower bearing cap, third backplate, second connecting seat and sealing washer, can seal the lubricating grease that pours into crusher pivot lower part into when the guarantee pivot is normal rotatory, reduce the risk of its oil leak by a wide margin.

Description

Lower sealing device of vertical crusher

Technical Field

The utility model relates to a vertical crusher designs technical field, concretely relates to sealing device under vertical crusher.

Background

The vertical crusher is mainly a vertical impact crusher and is mainly applied to the sand making industry, the vertical crusher mainly drives a belt by a power device, a rotating shaft of the vertical crusher rotates, materials in a crushing cavity in the vertical crusher are crushed, lubricating oil or lubricating grease is required to be added for cooling and reducing abrasion among components in use so as to enable the rotating shaft to work stably, a Chinese patent with the publication number of 209287476U discloses the vertical impact crusher and a shafting rotary sealing structure thereof, although the sealing of the rotating shaft can be realized, a specific right-handed external thread structure is required during installation, the problems of no sealing and leakage increase can be caused after the components are installed reversely, and the difficulty of field installation equipment is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses although can realize the sealed of countershaft to current vertical crusher, but need specific dextrorotation external screw thread structure during its installation, the problem that can not seal up and increase leakage quantity can appear after the part installation is anti-back, has increased the problem of the degree of difficulty of on-the-spot erection equipment, provides a sealing device under vertical crusher.

The technical scheme who adopts is, a sealing device under vertical crusher includes the lower bearing, lower bearing cap, the third backplate, second connecting seat and sealing washer, the lower bearing, lower bearing cap, the third backplate, second connecting seat and sealing washer all overlap in the lower part of breaker pivot, the lower bearing cap is located on the periphery of lower bearing, and contact with lower bearing, third backplate and lower bearing cap upper surface are connected, third backplate and lower bearing upper surface contact, be equipped with the lubricated chamber of third between third backplate and the lower bearing, the sealing washer is located the lubricated chamber top of third, the lower part of second connecting seat and the upper surface connection of third backplate, the upper portion and the axle sleeve top of second connecting seat connect.

Furthermore, a fourth protection plate is arranged on the periphery of the lower bearing cover, the lower bearing cover is detachably connected with the fourth protection plate through a third fixing bolt, and the third fixing bolt penetrates through the upper surface of the lower bearing cover and is inserted into the fourth protection plate.

Optionally, a fourth lubricating cavity is arranged among the lower bearing cover, the lower bearing and the crusher rotating shaft, and lubricating grease is injected into the fourth lubricating cavity and the third lubricating cavity.

Optionally, an oil outlet is formed in the bottom of the lower bearing cover and communicated with the fourth lubricating cavity, and a plug capable of being opened and closed is arranged on the oil outlet.

Furthermore, the third backplate passes through fourth fixing bolt and can dismantle with lower bearing cap and be connected, and fourth fixing bolt passes the third backplate and inserts in the lower bearing cap.

Optionally, the contact surface of the third guard plate and the second connecting seat is provided with a protrusion, the contact surface of the second connecting seat and the third guard plate is provided with a protrusion matched with the protrusion, and the second connecting seat is connected with the third guard plate through the protrusion matched with the protrusion.

Furthermore, the protrusion of the third guard plate is provided with threads, the protrusion matched with the second connecting seat is also provided with threads, and the second connecting seat is in threaded connection with the third guard plate.

The utility model has the advantages that at least one of the following advantages is included;

1. through setting up the sealing device under the vertical crusher who comprises lower bearing, lower bearing cap, third backplate, second connecting seat and sealing washer, can seal the lubricating grease that pours into crusher pivot lower part into when the guarantee pivot is normal rotatory, reduce the risk of its oil leak by a wide margin.

2. All parts are connected by adopting a fixing bolt or other detachable connection modes, so that the maintenance difficulty of subsequent equipment is reduced, and the installation and the use of field workers are facilitated.

3. The problem of current vertical crusher can realize the sealed of countershaft, but need specific dextrorotation external screw thread structure during its installation, can appear sealedly and increase leakage quantity after the part installation is anti-back, increased the degree of difficulty of field installation equipment is solved.

Drawings

FIG. 1 is a schematic view of a vertical crusher;

FIG. 2 is an enlarged view of area A of FIG. 1;

labeled as: the crusher comprises a power device 1, a belt 2, a vertical crusher 3, a fourth guard plate 4, a lower bearing cover 5, a third guard plate 6, a fourth fixing bolt 7, a seal ring 8, a shaft sleeve 9, a groove 10, a second connecting seat 11, a third fixing bolt 12, a crusher rotating shaft 13 and a lower bearing 21.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, a lower sealing device of a vertical crusher comprises a lower bearing 21, a lower bearing cover 5, a third protection plate 6, a second connecting seat 11 and a sealing ring 8, wherein the lower bearing 21, the lower bearing cover 5, the third protection plate 6, the second connecting seat 11 and the sealing ring 8 are all sleeved on the lower portion of a crusher rotating shaft 13, the lower bearing cover 5 is arranged on the periphery of the lower bearing 21 and is in contact with the lower bearing 21, the third protection plate 6 is connected with the upper surface of the lower bearing cover 5, the third protection plate 6 is in contact with the upper surface of the lower bearing 21, a third lubricating cavity is arranged between the third protection plate 6 and the lower bearing 21, the sealing ring 8 is positioned at the top of the third lubricating cavity, the lower portion of the second connecting seat 11 is connected with the upper surface of the third protection plate 6, and the upper portion of the second connecting seat 11 is in.

In use, the whole vertical crusher system is driven by the power device 1, and the belt 2 drives the power input end of the vertical crusher 3 to rotate, so that materials in the crushing cavity in the vertical crusher are crushed. Through setting up the sealing device under the vertical crusher who comprises lower bearing, lower bearing cap, third backplate, second connecting seat and sealing washer, can seal the lubricating grease that pours into crusher pivot lower part into when the guarantee pivot is normal rotatory, reduce the risk of its oil leak by a wide margin.

Simultaneously because the breaker pivot is more in the accumulated heat in lower part, can aggravate volatilizing of third lubricated intracavity lubricating oil or lubricating grease, consequently set up the sealing washer at third lubricated chamber top, can improve whole leakproofness, delay scattering and disappearing of lubricating oil or lubricating grease, it can realize the sealed of countershaft to have solved current vertical breaker, but need specific dextrorotation external screw thread structure during its installation, can appear sealedly and increase the problem of leaking the volume after the part installation is reversed, the problem of the degree of difficulty of field installation equipment has been increased.

When implementing the scheme, a person skilled in the art can set an adaptive upper sealing device on the upper part of the crusher rotating shaft to further improve the overall sealing effect, as shown in the area B in fig. 1.

In this embodiment, a fourth lubrication cavity is provided between the lower bearing cover 5, the lower bearing 21 and the crusher rotating shaft 13, and grease is injected into the fourth lubrication cavity and the third lubrication cavity. An oil outlet is formed in the bottom of the lower bearing cover 5 and communicated with the fourth lubricating cavity, and a plug capable of being opened and closed is arranged on the oil outlet.

When the lubricating grease or the lubricating oil is added to the lower part of the vertical crusher, the lubricating grease or the lubricating oil needs to be injected from the lower bearing through the oil injection mechanism and then respectively enters the third lubricating cavity and the fourth lubricating cavity, so that the upper part of the rotating shaft of the crusher is lubricated.

Meanwhile, the plug capable of being opened and closed is arranged at the oil outlet, so that a technician or a field worker in the field can open the plug to discharge or replace redundant lubricating grease or lubricating oil.

In this embodiment, the third guard plate 6 is detachably connected to the lower bearing cap 5 by a fourth fixing bolt 7, and the fourth fixing bolt 7 passes through the third guard plate 6 and is inserted into the lower bearing cap 5.

The purpose of the design is that all parts are connected by adopting a fixing bolt or other detachable connection modes, so that the maintenance difficulty of subsequent equipment is reduced, and the installation and the use of field workers are facilitated.

In this embodiment, the contact surface of the third protection plate 6 and the second connection seat 11 is provided with a protrusion, the contact surface of the second connection seat 11 and the third protection plate 6 is provided with a protrusion in a matching manner, and the second connection seat 11 is connected with the third protection plate 6 through the protrusion in a matching manner. The bulge of the third guard plate 6 is provided with threads, the bulge matched with the second connecting seat 11 is also provided with threads, and the second connecting seat 11 is in threaded connection with the third guard plate 6.

The purpose of design like this lies in, through the second connecting seat that sets up and adopt screw connection or the time between the meshing all can realize the sealed to the third lubricated chamber, certainly for further improve equipment's factor of safety, can lean on the second connecting seat lower part on the axle sleeve 9 of breaker pivot.

Meanwhile, in order to further improve the tightness of the connection between the second connecting seat and the shaft sleeve 9, a groove 10 may be formed on a contact surface between the shaft sleeve 9 and the second connecting seat, and the top of the second connecting seat is abutted into the groove 10.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a sealing device under vertical breaker which characterized in that: comprises a lower bearing (21), a lower bearing cover (5), a third guard plate (6), a second connecting seat (11) and a sealing ring (8), the lower bearing (21), the lower bearing cover (5), the third guard plate (6), the second connecting seat (11) and the sealing ring (8) are all sleeved on the lower part of the crusher rotating shaft (13), the lower bearing cover (5) is arranged on the periphery of the lower bearing (21), and is contacted with the lower bearing (21), the third guard plate (6) is connected with the upper surface of the lower bearing cover (5), the third guard plate (6) is contacted with the upper surface of the lower bearing (21), a third lubricating cavity is arranged between the third guard plate (6) and the lower bearing (21), the sealing ring (8) is positioned at the top of the third lubricating cavity, the lower part of the second connecting seat (11) is connected with the upper surface of the third guard plate (6), and the upper part of the second connecting seat (11) is connected with the shaft sleeve (9) in a jacking mode.

2. The lower sealing device of a vertical crusher according to claim 1, characterized in that: the bearing cover is characterized in that a fourth protection plate (4) is arranged on the periphery of the lower bearing cover (5), the lower bearing cover (5) is detachably connected with the fourth protection plate (4) through a third fixing bolt (12), and the third fixing bolt (12) penetrates through the upper surface of the lower bearing cover (5) and is inserted into the fourth protection plate (4).

3. The lower sealing device of a vertical crusher according to claim 1, characterized in that: and a fourth lubricating cavity is arranged among the lower bearing cover (5), the lower bearing (21) and the crusher rotating shaft (13), and lubricating grease is injected into the fourth lubricating cavity and the third lubricating cavity.

4. The lower sealing device of a vertical crusher according to claim 3, characterized in that: an oil outlet is formed in the bottom of the lower bearing cover (5), the oil outlet is communicated with the fourth lubricating cavity, and an openable plug is arranged on the oil outlet.

5. The lower sealing device of a vertical crusher according to claim 1, characterized in that: the third guard plate (6) is detachably connected with the lower bearing cover (5) through a fourth fixing bolt (7), and the fourth fixing bolt (7) penetrates through the third guard plate (6) and is inserted into the lower bearing cover (5).

6. The lower sealing device of a vertical crusher according to claim 1, characterized in that: the contact surface of third backplate (6) and second connecting seat (11) is provided with the arch, the contact surface of second connecting seat (11) and third backplate (6) is provided with the arch of looks adaptation, and second connecting seat (11) are connected with third backplate (6) through the arch of looks adaptation.

7. The lower sealing device of a vertical crusher according to claim 6, characterized in that: the bulges of the third guard plate (6) are provided with threads, the bulges matched with the second connecting seat (11) are also provided with threads, and the second connecting seat (11) is in threaded connection with the third guard plate (6).