Bearing for quartz gyratory crusher

Abstract

The utility model provides a bearing for a quartz gyratory crusher, which relates to the technical field of stone mining and comprises a bearing inner ring, a retainer, a spherical rolling body and a bearing outer ring, the bearing inner ring, the retainer, the spherical rolling bodies and the bearing outer ring form a bearing, two inner ring rolling tracks are arranged on the outer wall of the bearing inner ring, the retainer is sleeved on the periphery of the bearing inner ring, two rings of thirty-two through holes are formed in the retainer, each through hole is provided with one spherical rolling body, and the bearing outer ring is sleeved on the periphery of the retainer. An outer ring rolling track is arranged on the inner wall of the bearing outer ring, a rotating shaft is sleeved with the bearing, a bearing top cover is arranged above the bearing, the left end and the right end of the bearing top cover are each provided with two installation threaded holes, each installation threaded hole is provided with an installation screw, a supporting piece is arranged below the bearing, and the left end and the right end of the supporting piece are each provided with two installation threaded holes. According to the utility model, the abrasion of the bearing can be reduced, the bearing can be better fixed, and the problem that the existing mechanical bearing is easy to abrade is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stone mining, and more specifically, relates to a bearing for a quartz gyratory crusher. Background Art

[0002] After mining, ore needs to be crushed. Ore crushing refers to the process of converting large pieces of ore into small particles, its main purpose is to meet the needs of subsequent processing and treatment. Quartz stone, as a new type of stone material, is widely used in many fields such as the jewelry industry, the construction industry, scientific research, and decorative materials. However, quartz stone has a Mohs hardness of 7, which can scratch most other minerals but is not easily scratched itself. This means that when quartz stone is crushed, it will cause great wear to the crusher. Bearings, as a key component of the crusher, must be protected from wear. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a bearing for a quartz gyratory crusher to solve the problem that existing mechanical bearings are susceptible to wear.

[0004] The utility model of the bearing for quartz gyratory crusher is achieved by the following specific technical means:

[0005] A bearing for a quartz gyratory crusher comprises: a bearing inner ring, a retaining frame, a spherical rolling element and a bearing outer ring; the bearing inner ring, retaining frame, spherical rolling element and bearing outer ring form a bearing, the outer wall of the bearing inner ring is provided with two inner ring rolling tracks, the outer periphery of the bearing inner ring is covered with a retaining frame, the retaining frame is provided with two circles of thirty-two through holes, each through hole is provided with a spherical rolling element, the outer periphery of the retaining frame is covered with a bearing outer ring, the inner wall of the bearing outer ring is provided with an outer ring rolling track, a rotating shaft is covered inside the bearing, a bearing top cover is provided above the bearing, two mounting threaded holes are respectively provided at the left and right ends of the bearing top cover, each mounting threaded hole is provided with a mounting screw, a support member is provided below the bearing, two mounting threaded holes are respectively provided at the left and right ends of the support member, and the crusher casing is connected below the support member.

[0006] Furthermore, a circle of raised fixing plates is provided in the middle of the outer wall of the bearing outer ring, and a circle of eight fixing holes is provided on the raised fixing plates.

[0007] Furthermore, a bearing upper end cover is provided at the upper end of the bearing, and the bearing upper end cover is connected to the upper end of the bearing outer ring.

[0008] Furthermore, a bearing lower end cover is provided at the lower end of the bearing, and the bearing lower end cover is connected to the lower end of the bearing outer ring.

[0009] Furthermore, eight fixing threaded holes are provided at the middle position of the bearing top cover and at positions corresponding to the fixing holes, and each fixing threaded hole is provided with a fixing screw.

[0010] Furthermore, eight fixing threaded holes are provided in the middle position of the support member and at positions corresponding to the fixing holes.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The utility model provides a raised fixing plate, fixing holes, fixing screws and fixing threaded holes, which can not only firmly fix the bearing, but also transfer the shear stress received by the bearing during the crushing process to the crusher body, thereby reducing the damage to the bearing.

[0013] 2. The utility model provides a lower end cover for the bearing to prevent stones from splashing during the crushing process, hitting the bottom of the bearing and causing damage to the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the exploded structure of the utility model.

[0016] Figure 3 This is a schematic diagram of the decomposed structure of the bearing of the utility model.

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the bearing of the utility model.

[0018] Figure 5 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0020] 1. Crusher casing;

[0021] 2. Support parts;

[0022] 3. Bearing cover;

[0023] 4. Install screws; 401. Install threaded holes;

[0024] 5. Fixing screw; 501. Fixing threaded hole;

[0025] 6. Rotating shaft;

[0026] 7. Bearing upper end cover;

[0027] 8. Bearing lower end cover;

[0028] 9. Bearings;

[0029] 10. Bearing inner ring; 1001. Inner ring rolling track;

[0030] 11. Cage; 1101. Through hole;

[0031] 12. Spherical rolling element;

[0032] 13. Bearing outer ring; 1301. Raised fixing plate; 1302. Fixing hole; 1303. Outer ring rolling track. DETAILED DESCRIPTION

[0033] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. Example

[0034] As attached Figure 1 To the attached Figure 5 As shown:

[0035] The utility model provides a bearing for a quartz gyratory crusher, comprising: a bearing inner ring 10, a retainer 11, a spherical rolling element 12 and a bearing outer ring 13; the bearing inner ring 10, the retainer 11, the spherical rolling element 12 and the bearing outer ring 13 form a bearing 9, the outer wall of the bearing inner ring 10 is provided with two inner ring rolling tracks 1001, the outer periphery of the bearing inner ring 10 is covered with a retainer 11, and the retainer 11 is provided with two circles of thirty-two through holes 1101, each through hole 1101 is provided with a plurality of through holes 1101, and each through hole 1101 is provided with a plurality of through holes 1101. A spherical rolling body 12 is provided, a bearing outer ring 13 is sleeved on the outer periphery of the retaining frame 11, an outer ring rolling track 1303 is provided on the inner wall of the bearing outer ring 13, a rotating shaft 6 is sleeved inside the bearing 9, a bearing top cover 3 is provided above the bearing 9, two mounting threaded holes 401 are provided on the left and right ends of the bearing top cover 3, each mounting threaded hole 401 is provided with a mounting screw 4, a support member 2 is provided below the bearing 9, two mounting threaded holes 401 are provided on the left and right ends of the support member 2, and the crusher housing 1 is connected to the support member 2 below.

[0036] Among them, Figure 2 and Figure 3 As shown, a circle of raised fixing plates 1301 is provided in the middle position of the outer wall of the bearing outer ring 13, and a circle of eight fixing holes 1302 is provided on the raised fixing plate 1301. Eight fixing threaded holes 501 are provided in the middle position of the bearing top cover 3 and corresponding to the fixing holes 1302. Each fixing threaded hole 501 is provided with a fixing screw 5. Eight fixing threaded holes 501 are provided in the middle position of the support 2 and corresponding to the fixing holes 1302. The fixing screws 5 pass through the fixing threaded holes 501 on the bearing top cover 3, the fixing holes 1302 on the bearing 9 and the fixing threaded holes 501 on the support 2 in sequence, which can not only firmly fix the bearing 9, but also transfer the shear stress received by the bearing 9 during the crushing process to the crusher body, thereby reducing the damage to it.

[0037] Among them, Figure 4 and Figure 5 As shown, the upper end of the bearing 9 is provided with a bearing upper end cover 7, which is connected to the upper end of the bearing outer ring 13. The lower end of the bearing 9 is provided with a bearing lower end cover 8, which is connected to the lower end of the bearing outer ring 13 to prevent stones from splashing during the crushing process and hitting the bottom of the bearing 9, causing damage to the bearing 9.

[0038] The specific usage and function of this embodiment are as follows:

[0039] In the present invention, the bearing 9 is sleeved on the rotating shaft 6, the fixing hole 1302 on the bearing 9 is aligned with the fixing threaded hole 501 on the support 2, the bearing 9 is installed, the fixing threaded hole 501 on the bearing top cover 3 is aligned with the fixing hole 1302 on the bearing 9, all the fixing screws 5 are tightened, and then the mounting screws 4 are tightened, and the bearing top cover 3 is installed.

[0040] Anything not described in detail in the present invention is well known to those skilled in the art.

Claims

1. Bearings for quartz gyratory crushers, including: A bearing inner ring (10), a retaining frame (11), a spherical rolling element (12) and a bearing outer ring (13); characterized in that: the bearing inner ring (10), the retaining frame (11), the spherical rolling element (12) and the bearing outer ring (13) constitute a bearing (9), the outer wall of the bearing inner ring (10) is provided with two inner ring rolling tracks (1001), the outer periphery of the bearing inner ring (10) is covered with a retaining frame (11), the retaining frame (11) is provided with two circles of thirty-two through holes (1101), each through hole (1101) is provided with a spherical rolling element (12), the retaining frame (11) is provided with a plurality of through holes (1101 ... The outer periphery of the frame (11) is provided with a bearing outer ring (13), and the inner wall of the bearing outer ring (13) is provided with an outer ring rolling track (1303). The bearing (9) is provided with a rotating shaft (6). A bearing top cover (3) is provided above the bearing (9), and two mounting threaded holes (401) are provided at the left and right ends of the bearing top cover (3). Each mounting threaded hole (401) is provided with a mounting screw (4). A support member (2) is provided below the bearing (9), and two mounting threaded holes (401) are provided at the left and right ends of the support member (2). The support member (2) is connected to the crusher housing (1) below.

2. The bearing for a quartz gyratory crusher according to claim 1, characterized in that: A circle of raised fixing plates (1301) is provided in the middle of the outer wall of the bearing outer ring (13), and a circle of eight fixing holes (1302) is provided on the raised fixing plates (1301).

3. The bearing for a quartz gyratory crusher according to claim 1, wherein: The upper end of the bearing (9) is provided with a bearing upper end cover (7), and the bearing upper end cover (7) is connected to the upper end of the bearing outer ring (13).

4. The bearing for a quartz gyratory crusher according to claim 1, wherein: The lower end of the bearing (9) is provided with a bearing lower end cover (8), and the bearing lower end cover (8) is connected to the lower end of the bearing outer ring (13).

5. The bearing for a quartz gyratory crusher according to claim 1, wherein: Eight fixing threaded holes (501) are provided at the middle position of the bearing top cover (3) and at positions corresponding to the fixing holes (1302), and each fixing threaded hole (501) is provided with a fixing screw (5).

6. The bearing for a quartz gyratory crusher according to claim 1, wherein: Eight fixing threaded holes (501) are provided at the middle position of the support member (2) and at positions corresponding to the fixing holes (1302).

Images