Bearing component for heavy-load slurry pump

Abstract

The utility model relates to a bearing component for a heavy-load slurry pump. The bearing component comprises a shaft, a bearing box body, a front bearing, a deflation plug, a rear bearing, a bearing gland, an oil cup and an oil pointer, the front bearing is a cylindrical roller bearing for bearing radial force, the rear bearing is an enlarged paired angular contact ball bearing for bearing axial force, the front bearing and the rear bearing are both mounted on the shaft, and the shaft diameter of the position, where the rear bearing is mounted, of the shaft is larger than that of the position, where the front bearing is mounted; the bearing box body extends inwards; an oil cup and an oil pointer are mounted on the side of the bearing box; a screw plug is arranged below the bearing box body, and a deflation plug is arranged above the bearing box body; and a bearing gland is arranged at the rear bearing end and is detachably fixed on the bearing box body. The shaft diameter of the rear bearing of the bearing component is increased, the bearing span is reduced, and the front bearing of the bearing box body extends inwards to replace a front bearing gland. After the structure of the bearing component is changed, the structure is simple and compact, mounting space is small, disassembly and assembly are convenient, overall rigidity is good, and heavy-load working conditions are suitable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bearing part, concretely relates to a bearing part for heavy load type slurry pump which solves the problem of weak overall rigidity, complex structure, large installation space and inconvenient disassembly and assembly of the existing slurry pump bearing part. BACKGROUND

[0002] The heavy load type slurry pump belongs to a kind of centrifugal pump, and the front bearing shaft diameter and the rear bearing shaft diameter of the existing slurry pump bearing part are same, the bearing span is large, and the front bearing and the rear bearing are both installed bearing gland.The overall rigidity of the existing slurry pump bearing part is weak, the structure is complex, the installation space is large, and the disassembly and assembly are inconvenient. SUMMARY

[0003] In view of the above problems, the main purpose of the utility model is to provide a bearing part for heavy load type slurry pump which solves the problem of weak overall rigidity, complex structure, large installation space and inconvenient disassembly and assembly of the existing slurry pump bearing part.

[0004] The utility model solves the above technical problem through the following scheme: a bearing part for heavy load type slurry pump, the bearing part for heavy load type slurry pump includes: shaft, bearing box, front bearing, air release plug, rear bearing, bearing gland, oil cup, oil mark.

[0005] The front bearing is cylindrical roller bearing for bearing radial force, the rear bearing is pair of angular contact ball bearing for bearing axial force and increasing, and the front bearing and the rear bearing are both installed on the shaft, and the shaft diameter at the rear bearing installation position is larger than the shaft diameter at the front bearing installation position.

[0006] The bearing box extends inwardly, the side surface of the bearing box is installed with the oil cup and the oil mark, the screw plug for discharging lubricating oil in the bearing box during disassembly is installed below the bearing box, and the air release plug for air discharge is installed above the bearing box.

[0007] The rear bearing end is provided with the bearing gland, and the bearing gland is detachably fixed on the bearing box.

[0008] In the embodiment of the utility model, the bearing box and the bearing gland are fixed through the screw.

[0009] In the embodiment of the utility model, the O-ring is installed between the bearing box and the bearing gland for sealing.

[0010] In the embodiment of the utility model, the shaft seal of the front bearing and the rear bearing both adopts the magnetic oil seal.

[0011] In the embodiment of the utility model, the shaft diameter at the rear bearing installation position of the shaft is 5mm larger than the shaft diameter at the front bearing installation position.

[0012] In the embodiment of the utility model, the shaft diameter at the rear bearing of the shaft is a standard shaft diameter.

[0013] In the embodiment of the utility model, the span between the front bearing and the rear bearing is 120-140mm.

[0014] The utility model discloses a bearing part for heavy load type slurry pump, which has the advantages that the shaft diameter at the rear bearing of the bearing part is increased, the bearing span is reduced, the front bearing of the bearing box body extends inward to replace the front bearing gland, the structure of the bearing part is simple and compact, the installation space is small, the bearing part is convenient to disassemble and assemble, the overall rigidity is better, and the bearing part is suitable for heavy load working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a whole structure schematic diagram of bearing part for heavy load type slurry pump.

[0016] The following is the name corresponding to the mark in the utility model:

[0017] Shaft 1, bearing box body 2, magnetic force oil seal 3, front bearing 4, air release plug 5, rear bearing 6, bearing gland 9, screw 10, O ring 11, oil cup 12, oil mark 13, screw plug 14. PREFERRED EMBODIMENT

[0018] The following will give the preferred embodiment of the utility model in combination with the drawings to detail the technical scheme of the utility model.

[0019] Figure 1 The utility model provides a whole structure schematic diagram of bearing part for heavy load type slurry pump, as shown in Figure 1 The utility model provides a bearing part for heavy load type slurry pump, which comprises a shaft 1, a bearing box body 2, a front bearing 4, an air release plug 5, a rear bearing 6, a bearing gland 9, an oil cup 12 and an oil mark 13; the front bearing 4 is a cylindrical roller bearing for bearing radial force, the rear bearing 6 is a pair of angular contact ball bearings for bearing axial force and increasing, the front bearing 4 and the rear bearing 6 are both installed on the shaft 1, the shaft diameter at the rear bearing 6 of the shaft 1 is greater than the shaft diameter at the front bearing 4; the bearing box body 2 extends inward; the side surface of the bearing box body 2 is installed with the oil cup 12 and the oil mark 13; the screw plug 14 for draining lubricating oil in the bearing box body 2 is installed below the bearing box body 2, the air release plug 5 for air exhaust is installed above the bearing box body 2; the bearing gland 9 is arranged at the end of the rear bearing 6 and detachably fixed on the bearing box body 2; in the specific implementation process, the bearing box body 2 and the bearing gland 9 are fixed through the screw 10, and the O ring 11 is installed between the bearing box body 2 and the bearing gland 9 for sealing.

[0020] In the specific implementation process, the shaft seal of the front bearing 4 and the rear bearing 6 of the utility model all adopts magnetic oil seal 3.

[0021] The shaft diameter of the rear bearing 6 of the shaft 1 is 5mm larger than that of the front bearing 4, and the shaft diameter of the rear bearing 6 of the shaft 1 is the standard shaft diameter (60 in the figure is only for illustration), and in the specific implementation process, the above parameters can be adjusted to other values or ranges according to requirements.

[0022] The span range between the front bearing 4 and the rear bearing 6 is 120-140mm (135 in the figure is only for illustration).

[0023] The utility model discloses the shaft bearing part shaft 1 rear bearing place shaft diameter increases, and the bearing span reduces, and the overall rigidity is better, and the structure is more compact, and is applicable to heavy load working condition.

[0024] The utility model discloses the bearing part bearing box 2 front bearing place extends inwards, replaces the front bearing gland, and the structure is simple, and the installation is convenient.

[0025] The utility model discloses the bearing part structure changes, adopts the increased rear bearing, and cancels the front bearing gland.

[0026] The utility model discloses the structure changes, and the structure is simple and compact, and the installation space is small, and the dismounting is convenient, and the overall rigidity is better, and is applicable to heavy load working condition.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bearing component for a heavy-duty slurry pump, characterized by: The bearing part for heavy load type slurry pump comprises a shaft (1), a bearing box (2), a front bearing (4), a degassing plug (5), a rear bearing (6), a bearing gland (9), an oil cup (12), and an oil mark (13). The front bearing (4) is a cylindrical roller bearing for bearing radial force, and the rear bearing (6) is a pair of angular contact ball bearings for bearing axial force and being enlarged, the front bearing (4) and the rear bearing (6) are both installed on the shaft (1), and the shaft diameter at the rear bearing (6) is larger than that at the front bearing (4). The bearing box (2) extends inwardly, the oil cup (12) and the oil mark (13) are installed on the side of the bearing box (2), a screw plug (14) is installed below the bearing box (2) for draining lubricating oil in the bearing box (2) when the bearing box (2) is disassembled, and the degassing plug (5) is installed above the bearing box (2) for degassing. The rear bearing (6) is provided with the bearing gland (9) at the end, and the bearing gland (9) is detachably fixed on the bearing box (2).

2. The bearing component for a heavy-duty slurry pump of claim 1, wherein: The bearing box (2) and the bearing gland (9) are fixed by the screw (10).

3. The bearing component for a heavy-duty slurry pump of claim 2, wherein: An O-ring (11) is installed between the bearing box (2) and the bearing gland (9) for sealing.

4. The bearing component for a heavy-duty slurry pump of claim 1, wherein: The shaft seal of the front bearing (4) and the rear bearing (6) both adopts the magnetic oil seal (3).

5. The bearing component for a heavy-duty slurry pump of claim 1, wherein: The shaft diameter at the rear bearing (6) is 5mm larger than that at the front bearing (4).

6. The bearing component for a heavy-duty slurry pump of claim 1, wherein: The shaft diameter at the rear bearing (6) is a standard shaft diameter.

7. The bearing component for a heavy-duty slurry pump of claim 1, wherein: The span between the front bearing (4) and the rear bearing (6) ranges from 120mm to 140mm.

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