Leakage-proof bearing box

Abstract

The utility model discloses a leakproof type bearing box which comprises a main body unit, the main body unit comprises a bearing box body, a bearing hole is formed in the center of the bearing box body, and a bearing shaft body is arranged in the bearing hole. The leakproof type bearing box has the advantages that the bearing box can be sealed through a first fixing ring and a second sealing ring; external dust and sundries are prevented from entering the bearing box, the bearing box can be further sealed through the arrangement of a second fixing ring and a first sealing ring, serious leakage of lubricating oil is avoided, and the sealing performance of the bearing box is improved; lubricating oil in the annular cavity is conveyed into the fixing box through the arrangement of the small oil pump, the oil inlet pipe and the oil outlet pipe, the lubricating oil is filtered through the filtering assembly and then enters a bearing hole through the backflow pipe to be reused, and therefore invalid waste of the lubricating oil is avoided, and equipment damage, ground pollution and even environmental risks are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing boxes, in particular to a leak-proof bearing box. Background Art

[0002] The bearing box, also known as the winch box, is a box part that supports and lubricates the bearing. It also bears the axial and radial forces generated by the equipment during operation.

[0003] In the application of bearing housings, the introduction of lubricating oil is a key step to ensure the smooth operation of bearings. However, in actual operation, a common challenge is that excess lubricating oil may accidentally leak. Such leakage not only leads to ineffective waste of lubricating oil, but also may cause equipment damage, ground pollution and even environmental risks.

[0004] Therefore, a leakproof bearing box is needed to solve the above problems. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above-mentioned problems of the leak-proof bearing box, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a leak-proof bearing box, which is used to solve the problem that "excess lubricating oil may leak accidentally. Such leakage will not only lead to ineffective waste of lubricating oil, but may also cause equipment damage, ground pollution and even environmental risks."

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a leak-proof bearing box, comprising:

[0009] A main unit, the main unit comprising a bearing housing, a bearing hole is provided at the center of the bearing housing, a bearing shaft is provided in the bearing hole, two No. 1 fixing rings and two No. 1 sealing rings are symmetrically fixedly sleeved on the bearing shaft, and a No. 1 annular groove is provided on the outer wall of each No. 1 sealing ring, two No. 2 fixing rings and two No. 2 sealing rings are symmetrically fixedly connected on the inner wall of the bearing hole, and a No. 2 annular groove is provided on the outer wall of each No. 2 sealing ring, two annular cavities are symmetrically provided in the inner wall of the bearing housing, and a plurality of through holes are symmetrically provided in the bearing hole and are connected to the annular cavities;

[0010] An anti-leakage component includes a fixed box and two small oil pumps. The fixed box and the two small oil pumps are fixedly connected to the upper end of the bearing box body. The output end of each small oil pump is fixedly connected to an oil inlet pipe, and the output end of each small oil pump is fixedly connected to an oil outlet pipe. A filter component is installed in the fixed box, and the fixed box is connected to the bearing hole through a return pipe.

[0011] As a preferred solution of the leak-proof bearing box described in the utility model, the filter assembly includes a mounting frame and a filter screen plate, the filter screen plate is fixedly installed between the mounting frame, a piston plate is fixedly connected to one side of the mounting frame, a mounting hole is opened on one side of the fixed box, and the piston plate is fixedly installed in the mounting hole by multiple bolts.

[0012] As a preferred solution of the leak-proof bearing box described in the utility model, the two No. 1 fixing rings are both slidably connected in the No. 2 annular groove, and the two No. 2 fixing rings are both slidably connected in the No. 1 annular groove.

[0013] As a preferred solution of the leak-proof bearing box described in the utility model, the ends of the two oil inlet pipes facing away from the small oil pump are connected to the annular cavity and in contact with the lubricating oil inside the annular cavity, and the ends of the two oil outlet pipes facing away from the small oil pump are connected to the inside of the fixed box.

[0014] As a preferred solution of the leak-proof bearing box described in the utility model, a plurality of fixing holes are symmetrically opened on the bearing box body, and a fixing cover is fixedly installed on the upper end of the bearing box body.

[0015] As a preferred solution of the leak-proof bearing box described in the utility model, the bearing shaft is rotatably connected in the bearing hole, an oil filling hole is opened on the side wall of the bearing box, and a sealing plug is arranged in the oil filling hole.

[0016] Beneficial effects of the utility model:

[0017] The arrangement of the No. 1 fixing ring and the No. 2 sealing ring can seal the bearing box to prevent external dust and debris from entering the bearing box. The arrangement of the No. 2 fixing ring and the No. 1 sealing ring can further seal the bearing box to prevent serious leakage of the lubricating oil and improve the sealing performance of the bearing box. The lubricating oil in the annular cavity is transported to the fixed box by the arrangement of a small oil pump, an oil inlet pipe and an oil outlet pipe. After filtering by the filter component, the oil enters the bearing hole through the reflux pipe for reuse, thereby avoiding ineffective waste of lubricating oil and preventing equipment damage, ground pollution and even environmental risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 It is a front structural schematic diagram of a leak-proof bearing box of the utility model.

[0020] Figure 2 The utility model is a partial structural schematic diagram of a leak-proof bearing box.

[0021] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a leak-proof bearing box.

[0022] Figure 4 The utility model is a schematic structural diagram of a bearing shaft body in a leak-proof bearing box.

[0023] Figure 5 The utility model is a structural schematic diagram of a filter assembly in a leak-proof bearing box.

[0024] Description of the drawings: 100, main unit; 101, bearing housing; 102, bearing shaft; 103, fixing ring No. 1; 104, sealing ring No. 1; 105, fixing ring No. 2; 106, sealing ring No. 2; 107, annular cavity; 108, fixed cover; 200, leak-proof assembly; 201, fixed box; 202, small oil pump; 203, oil inlet pipe; 204, oil outlet pipe; 205, filter assembly; 205a, mounting frame; 205b, filter screen; 205c, piston plate. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] Reference Figure 1-Figure 5 , is an embodiment of the utility model, providing a leakproof bearing box, which includes:

[0030] The main unit 100 includes a bearing housing 101, a bearing hole is provided at the center of the bearing housing 101, a bearing shaft 102 is provided in the bearing hole, two No. 1 fixing rings 103 and two No. 1 sealing rings 104 are symmetrically fixedly sleeved on the bearing shaft 102, and a No. 1 annular groove is provided on the outer wall of each No. 1 sealing ring 104, two No. 2 fixing rings 105 and two No. 2 sealing rings 106 are symmetrically fixedly connected on the inner wall of the bearing hole, and a No. 2 annular groove is provided on the outer wall of each No. 2 sealing ring 106, and two annular cavities 107 are symmetrically provided in the inner wall of the bearing housing 101, and a plurality of through holes are symmetrically provided in the bearing hole and communicated with the annular cavity 107;

[0031] The anti-leakage component 200 includes a fixed box 201 and two small oil pumps 202. The fixed box 201 and the two small oil pumps 202 are fixedly connected to the upper end of the bearing box body 101. The output end of each small oil pump 202 is fixedly connected to an oil inlet pipe 203, and the output end of each small oil pump 202 is fixedly connected to an oil outlet pipe 204. A filter component 205 is installed in the fixed box 201, and the fixed box 201 is connected to the bearing hole through a return pipe.

[0032] The arrangement of the No. 1 fixing ring 103 and the No. 2 sealing ring 106 can seal the bearing box to prevent external dust and debris from entering the bearing box. The arrangement of the No. 2 fixing ring 105 and the No. 1 sealing ring 104 can further seal the bearing box to prevent serious leakage of the lubricating oil and improve the sealing performance of the bearing box. The lubricating oil in the annular cavity 107 is transported to the fixed box 201 by the arrangement of the small oil pump 202, the oil inlet pipe 203 and the oil outlet pipe 204. After filtering by the filter component 205, it enters the bearing hole through the reflux pipe for reuse, thereby avoiding ineffective waste of lubricating oil and preventing equipment damage, ground pollution and even environmental risks.

[0033] Among them, the filter assembly 205 includes an installation frame 205a and a filter screen 205b. The filter screen 205b is fixedly installed between the installation frame 205a. A piston plate 205c is fixedly connected to one side of the installation frame 205a. A mounting hole is opened on one side of the fixed box 201. The piston plate 205c is fixedly installed in the mounting hole by multiple bolts. The lubricating oil can be filtered through the filter assembly 205.

[0034] The two No. 1 fixing rings 103 are both slidably connected in the No. 2 annular groove, and the two No. 2 fixing rings 105 are both slidably connected in the No. 1 annular groove.

[0035] The ends of the two oil inlet pipes 203 away from the small oil pump 202 are connected to the annular cavity 107 and in contact with the lubricating oil inside the annular cavity 107 , and the ends of the two oil outlet pipes 204 away from the small oil pump 202 are connected to the interior of the fixed box 201 .

[0036] Among them, a plurality of fixing holes are symmetrically opened on the bearing housing 101 , and a fixing cover 108 is fixedly installed on the upper end of the bearing housing 101 . The setting of the fixing cover 108 can protect the anti-leakage component 200 .

[0037] The bearing shaft 102 is rotatably connected in the bearing hole, and an oil filling hole is opened on the side wall of the bearing housing 101. A sealing plug is arranged in the oil filling hole, and lubricating oil is added through the oil inlet hole.

[0038] Working principle: When in use, the arrangement of the No. 1 fixing ring 103 and the No. 2 sealing ring 106 can seal the bearing box to prevent external dust and debris from entering the bearing box. The arrangement of the No. 2 fixing ring 105 and the No. 1 sealing ring 104 can further seal the bearing box to prevent serious leakage of the lubricating oil and improve the sealing of the bearing box. Furthermore, when the lubricating oil leaks, it will first flow between the No. 1 fixing ring 103 and the No. 2 fixing ring 105, and enter the annular cavity 107 through the through hole. The small oil pump 202 is started, and the lubricating oil in the annular cavity 107 is transported to the fixed box 201 through the small oil pump 202, the oil inlet pipe 203 and the oil outlet pipe 204. After filtering by the filter assembly 205, it enters the bearing hole through the reflux pipe for reuse, thereby avoiding ineffective waste of lubricating oil and preventing equipment damage, ground pollution and even environmental risks. The contents not described in detail in this description belong to the prior art known to professional and technical personnel in this field.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A leakproof bearing box, It is characterized in that include: A main body unit (100), the main body unit (100) comprising a bearing housing (101), a bearing hole being provided at the center of the bearing housing (101), a bearing shaft (102) being provided in the bearing hole, two No. 1 fixing rings (103) and two No. 1 sealing rings (104) being symmetrically fixedly sleeved on the bearing shaft (102), a No. 1 annular groove being provided on the outer wall of each No. 1 sealing ring (104), two No. 2 fixing rings (105) and two No. 2 sealing rings (106) being symmetrically fixedly connected on the inner wall of the bearing hole, a No. 2 annular groove being provided on the outer wall of each No. 2 sealing ring (106), two annular cavities (107) being symmetrically provided in the inner wall of the bearing housing (101), a plurality of through holes being symmetrically provided in the bearing hole and being connected to the annular cavities (107); A leak-proof component (200), the leak-proof component (200) comprising a fixed box (201) and two small oil pumps (202), the fixed box (201) and the two small oil pumps (202) are fixedly connected to the upper end of a bearing box body (101), the output end of each small oil pump (202) is fixedly connected to an oil inlet pipe (203), the output end of each small oil pump (202) is fixedly connected to an oil outlet pipe (204), a filter component (205) is installed in the fixed box (201), and the fixed box (201) is connected to a bearing hole through a return pipe.

2. A leakproof bearing box according to claim 1, Features: The filter assembly (205) comprises a mounting frame (205a) and a filter screen plate (205b), wherein the filter screen plate (205b) is fixedly mounted on the mounting frame (205a), a piston plate (205c) is fixedly connected to one side of the mounting frame (205a), a mounting hole is provided on one side of the fixed box (201), and the piston plate (205c) is fixedly mounted in the mounting hole by means of a plurality of bolts.

3. A leakproof bearing box according to claim 1, Features: The two No. 1 fixing rings (103) are both slidably connected in the No. 2 annular groove, and the two No. 2 fixing rings (105) are both slidably connected in the No. 1 annular groove.

4. A leakproof bearing box according to claim 1, Features: The ends of the two oil inlet pipes (203) facing away from the small oil pump (202) are both in communication with the annular cavity (107) and in contact with the lubricating oil inside the annular cavity (107), and the ends of the two oil outlet pipes (204) facing away from the small oil pump (202) are both in communication with the interior of the fixed box (201).

5. A leakproof bearing box according to claim 1, Features: The bearing housing (101) is symmetrically provided with a plurality of fixing holes, and a fixing cover (108) is fixedly mounted on the upper end of the bearing housing (101).

6. A leakproof bearing box according to claim 1, Features: The bearing shaft (102) is rotatably connected in the bearing hole, and an oil filling hole is opened on the side wall of the bearing housing (101), and a sealing plug is arranged in the oil filling hole.

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