End disc of centrifugal machine

Abstract

The centrifugal machine end disc comprises a disc body and a shaft body, the shaft body penetrates through the disc body, oil channels are formed in the shaft body and comprise the first oil channel and the second oil channel, and a plurality of oil holes are formed in the surface of the shaft body and comprise an oil injection hole, a first oil outlet hole, a first oil inlet hole and an oil discharge hole. The oil injection hole and the oil discharge hole are located on the shaft body on one side of the disc body, the first oil outlet hole and the first oil inlet hole are located on the shaft body on the other side of the disc body, the oil injection hole is communicated with the first oil outlet hole through the first oil duct, and the first oil inlet hole is communicated with the oil discharge hole through the second oil duct. Due to the design of the oil channels and the oil holes, after installation, lubricating grease is injected from the oil injection hole through the oil nozzle and the first oil channel through an oil gun, new lubricating grease can eject old dirty lubricating grease out of the oil discharge hole through the second oil channel, the old lubricating grease is replaced under the condition that a centrifugal machine is not disassembled, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum drilling engineering mechanical equipment, in particular to an end plate of a centrifuge. Background Art

[0002] Centrifuge is a special equipment used in oil drilling to separate and remove smaller particles or ultrafine particles in drilling fluid. At present, the existing centrifuges in China need to disassemble the entire rotating parts to replace the grease of the internal propeller. Figure 1 As shown, it is a schematic diagram of injecting grease into a centrifuge in the prior art, wherein the end plate B of the centrifuge is connected to a bearing support seat C, and is connected to a rotating member cylinder E through a bearing F. When the bearing needs to be lubricated, grease D is injected through the oil filling hole. If new grease is to be replaced, the end plate needs to be disassembled, the interior needs to be cleaned, and then assembled into a whole before oiling, which is a cumbersome operation. Utility Model Content

[0003] Therefore, one purpose of the present invention is to provide a centrifuge end plate to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A centrifuge end plate comprises a plate body and a shaft body, wherein the shaft body passes through the plate body, an oil passage is arranged inside the shaft body, the oil passage comprises a first oil passage and a second oil passage, a surface of the shaft body is provided with a plurality of oil holes, including an oil filling hole, a first oil outlet hole, a first oil inlet hole and an oil drain hole, the oil filling hole and the oil drain hole are located on the shaft body on one side of the plate body, the first oil outlet hole and the first oil inlet hole are located on the shaft body on the other side of the plate body, the oil filling hole and the first oil outlet hole are connected through the first oil passage, and the first oil inlet hole and the oil drain hole are connected through the second oil passage.

[0006] Furthermore, the oil filling hole and the oil drain hole are located on two opposite sides of the shaft body, and the first oil outlet hole and the first oil inlet hole are located on two opposite sides of the shaft body.

[0007] Furthermore, the centrifuge end plate also includes a second oil outlet hole and a second oil inlet hole, the second oil outlet hole and the second oil inlet hole are located on opposite sides of the shaft end surface on the other side of the plate body, the second oil outlet hole is connected to the first oil channel, and the second oil inlet hole is connected to the second oil channel.

[0008] Furthermore, the disc body is provided with a plurality of fixing holes, and the plurality of fixing holes are evenly distributed around the shaft body.

[0009] Furthermore, a ring groove is provided on one side of the disc body close to the first oil inlet hole, and the plurality of fixed installation holes are all located in the ring groove, and the diameter of the fixed installation holes is smaller than the width of the ring groove.

[0010] Furthermore, a plurality of first mounting holes are provided on the end surface of the shaft body on one side of the disk body, and the depths of the plurality of first mounting holes are the same.

[0011] Furthermore, the disc body is circular.

[0012] Furthermore, the disc body and the shaft body are integrated.

[0013] Therefore, the utility model has the following beneficial effects:

[0014] The utility model discloses a centrifuge end plate. Through the design of oil passages and oil holes, after installation, grease is injected from the oil filling hole through the first oil passage by an oil gun through an oil nozzle. The new grease can push out the old dirty grease from the oil discharge hole through the second oil passage. The old grease can be replaced without disassembling the centrifuge, and the operation is simple and convenient.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 is a schematic diagram of the prior art centrifuge injecting grease;

[0018] Figure 2 It is a schematic diagram of the overall structure of the centrifuge end plate from one perspective of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the centrifuge end plate of the utility model from another perspective;

[0020] Figure 4 It is a front view of the centrifuge end plate of the utility model;

[0021] Figure 5 It is a top view of the centrifuge end plate of the utility model;

[0022] Figure 6 It is a bottom view of the centrifuge end plate of the utility model;

[0023] Figure 7 yes Figure 4 AA section view shown;

[0024] Figure 8 It is a schematic diagram of injecting grease into the centrifuge after applying the centrifuge end plate of the utility model;

[0025] In the figure: B, centrifuge end plate; C, bearing support seat; D, grease; E, rotating part cylinder; F, bearing; 1, plate body; 2, shaft body; 3, first oil channel; 4, second oil channel; 5, oil filling hole; 6, first oil outlet hole; 7, first oil inlet hole; 8, oil drain hole; 9, second oil outlet hole; 10, second oil inlet hole; 11, fixed mounting hole; 12, ring groove; 13, first mounting hole. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 2-Figure 7 As shown, a centrifuge end plate includes a plate body 1 and a shaft body 2, the shaft body 2 passes through the plate body 1, an oil channel is arranged inside the shaft body 2, the oil channel includes a first oil channel 3 and a second oil channel 4, a surface of the shaft body 2 is provided with a plurality of oil holes, including an oil filling hole 5, a first oil outlet hole 6, a first oil inlet hole 7 and an oil drain hole 8, the oil filling hole 5 and the oil drain hole 8 are located on the shaft body 2 on one side of the plate body 1, the first oil outlet hole 6 and the first oil inlet hole 7 are located on the shaft body 2 on the other side of the plate body 1, the oil filling hole 5 and the first oil outlet hole 6 are connected through the first oil channel 3, and the first oil inlet hole 7 and the oil drain hole 8 are connected through the second oil channel 4.

[0029] The utility model provides a centrifuge end plate, through the design of oil passages and oil holes, after installation, grease is injected from the oil filling hole 5 through the first oil passage 3 by an oil gun through an oil nozzle, and the new grease can push out the old dirty grease from the oil discharge hole 8 through the second oil passage 4, so that the old grease can be replaced without disassembling the centrifuge, and the operation is simple.

[0030] Specifically, Figure 2 and Figure 3As shown, the shaft body 2 of the end plate is perpendicular to the surface of the plate body 1, the core of the shaft body 2 is hollow, and the shaft body 2 as a whole is a hollow cylinder with a certain thickness.

[0031] like Figure 2 , Figure 3 and Figure 7 As shown, as an embodiment, the distance between the first oil outlet hole 6 and the disc body 1 is smaller than the distance between the first oil inlet hole 7 and the disc body 1 , that is, the first oil outlet hole 6 is located higher than the first oil inlet hole 7 in horizontal position.

[0032] As an implementation manner, the distance between the first oil outlet hole 6 and the disc body 1 is equal to the distance between the first oil inlet hole 7 and the disc body 1 , that is, the horizontal positions of the first oil outlet hole 6 and the first oil inlet hole 7 are at the same height.

[0033] As an implementation manner, the distance between the first oil outlet hole 6 and the disc body 1 is greater than the distance between the first oil inlet hole 7 and the disc body 1 , that is, the first oil outlet hole 6 is located further below the horizontal position relative to the first oil inlet hole 7 .

[0034] That is to say, the horizontal position height relationship between the first oil outlet hole 6 and the first oil inlet hole 7 is not fixed and can be selectively set according to the specific structure of the centrifuge.

[0035] like Figure 7 As shown, the oil filling hole 5 and the oil drain hole 8 are located on two opposite sides of the shaft body 2 , and the first oil outlet hole 6 and the first oil inlet hole 7 are located on two opposite sides of the shaft body 2 .

[0036] The oil filling hole 5 and the oil drain hole 8, the first oil outlet hole 6 and the first oil inlet hole 7 are arranged on opposite sides, so that the grease can pass through the bearing to the maximum extent, lubricate the bearing to the maximum extent, and then be discharged from the oil drain hole 8.

[0037] like Figure 2 , Figure 6 and Figure 7 As shown, the centrifuge end plate further includes a second oil outlet hole 9 and a second oil inlet hole 10 , and the second oil outlet hole 9 and the second oil inlet hole 10 are located on opposite sides of the end surface of the shaft body 2 on the other side of the plate body 1 .

[0038] As an implementation manner, the second oil outlet hole 9 is connected to the first oil passage 3 , and the second oil inlet hole 10 is connected to the second oil passage 4 .

[0039] As an implementation mode, the second oil outlet hole 9 is not connected to the first oil passage 3, and the second oil inlet hole 10 is not connected to the second oil passage 4. In this case, the second oil outlet hole 9 and the first oil passage 3 can be used as connecting holes or process holes.

[0040] like Figure 5 and Figure 6As shown, the disc body 1 is provided with a plurality of fixing and mounting holes 11 , and the plurality of fixing and mounting holes 11 are evenly distributed around the shaft body 2 .

[0041] As an implementation manner, the fixing hole 11 is circular.

[0042] As an implementation method, Figure 6 As shown, the number of the fixing holes 11 is specifically 8, and the 8 fixing holes 11 are evenly distributed on the disk body 1 and form a circle.

[0043] As an implementation method, Figure 6 As shown, the number of the fixing holes 11 may be 10, and the 10 fixing holes 11 are evenly distributed on the disk body 1 and form a circle.

[0044] As an implementation method, Figure 6 As shown, the number of the fixing holes 11 may be 12, and the 12 fixing holes 11 are evenly distributed on the disk body 1 and form a circle.

[0045] That is to say, the number of fixed mounting holes 11 is not fixed and can be selectively set according to actual installation needs. Any number of fixed mounting holes 11 that can connect the centrifuge end plate to other devices through the fixed mounting holes 11 is within the protection scope of the present utility model.

[0046] like Figure 2 and Figure 6 As shown, a ring groove 12 is provided on one side of the disc body 1 close to the first oil inlet hole 7 , and a plurality of fixing holes 11 are all located in the ring groove 12 , and the diameter of the fixing holes 11 is smaller than the width of the ring groove 12 .

[0047] The annular groove 12 and the fixing hole 11 are both arranged at positions of the disc body 1 close to the outer ring edge.

[0048] like Figure 5 As shown, a plurality of first mounting holes 13 are provided on the end surface of the shaft body 2 on one side of the disk body 1, and the depths of the plurality of first mounting holes 13 are the same.

[0049] As an implementation manner, the sizes of the plurality of first mounting holes 13 are the same.

[0050] As another implementation, the sizes of the first mounting holes 13 may also be different.

[0051] As an implementation manner, there are specifically 12 first mounting holes 13 .

[0052] As an implementation manner, there are specifically 14 first mounting holes 13 .

[0053] That is to say, the number and size of the first mounting holes 13 can be selectively set according to needs.

[0054] like Figure 5 As shown, the plate body 1 is specifically circular.

[0055] Specifically, the disc body 1 and the shaft body 2 are integrated.

[0056] As an implementation mode, the disc body 1 and the shaft body 2 may be integrally formed by metal powder injection molding.

[0057] As an implementation manner, the disc body 1 and the shaft body 2 can be fixedly connected by welding.

[0058] As an implementation mode, the outer dimensions of the centrifuge end plate can be obtained by machining.

[0059] As an implementation mode, the material of the centrifuge end plate is stainless steel.

[0060] In one embodiment, Figure 8 As shown, when the end plate of the centrifuge of the utility model is used for grease lubrication, the grease is injected through the oil filling hole 5, the grease flows downward along the first oil channel 3, and flows out from the first oil outlet hole 6 to the bearing to lubricate the bearing, and the grease is continuously injected. After the bearing connected to the shaft body 2 is completely lubricated, the grease enters the second oil channel 4 from the first oil inlet hole 7, and the grease is discharged from the oil discharge hole 8 along the second oil channel 4. This process can realize the ejection of the old and dirty grease from the oil discharge hole until the grease without stains is seen at the oil discharge hole 8. The old grease can be replaced without disassembling the centrifuge, and the operation is simple.

[0061] In another embodiment, when the end plate of the centrifuge of the utility model is used for grease lubrication, the grease is injected through the oil filling hole 5, the grease flows downward along the first oil channel 3, and flows out from the first oil outlet hole 6 and the second oil outlet hole 9 to the bearing respectively to lubricate the bearing, and the grease is continuously injected. After the bearing connected to the shaft body 2 is completely lubricated, the grease enters the second oil channel 4 from the first oil inlet hole 7 and the second oil inlet hole 10, and the grease is discharged from the oil discharge hole 8 along the second oil channel 4. This process can realize the ejection of the old and dirty grease from the oil discharge hole until the grease without stains is seen at the oil discharge hole 8, and the old grease can be replaced without disassembling the centrifuge, which is easy to operate.

[0062] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0063] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0064] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centrifuge end plate, characterized in that: It includes a disc body and a shaft body, the shaft body passes through the disc body, an oil channel is arranged inside the shaft body, the oil channel includes a first oil channel and a second oil channel, a surface of the shaft body is provided with a plurality of oil holes, including an oil filling hole, a first oil outlet hole, a first oil inlet hole and an oil drain hole, the oil filling hole and the oil drain hole are located on the shaft body on one side of the disc body, the first oil outlet hole and the first oil inlet hole are located on the shaft body on the other side of the disc body, the oil filling hole and the first oil outlet hole are connected through the first oil channel, and the first oil inlet hole and the oil drain hole are connected through the second oil channel.

2. A centrifuge end plate according to claim 1, characterized in that: The oil filling hole and the oil drain hole are located on two opposite sides of the shaft body, and the first oil outlet hole and the first oil inlet hole are located on two opposite sides of the shaft body.

3. A centrifuge end plate according to claim 2, characterized in that: It also includes a second oil outlet hole and a second oil inlet hole, wherein the second oil outlet hole and the second oil inlet hole are located on opposite sides of the shaft end surface on the other side of the disk body, the second oil outlet hole is connected to the first oil channel, and the second oil inlet hole is connected to the second oil channel.

4. A centrifuge end plate according to claim 1, characterized in that: The disc body is provided with a plurality of fixing and mounting holes, and the plurality of fixing and mounting holes are evenly distributed around the shaft body.

5. A centrifuge end plate according to claim 4, characterized in that: A ring groove is provided on one side of the disc body close to the first oil inlet hole, and a plurality of the fixing holes are all located in the ring groove. The diameter of the fixing holes is smaller than the width of the ring groove.

6. A centrifuge end plate according to claim 1, characterized in that: A plurality of first mounting holes are arranged on the end surface of the shaft body at one side of the disk body, and the depths of the plurality of first mounting holes are the same.

7. A centrifuge end plate according to claim 1, characterized in that: The disc body is circular.

8. A centrifuge end plate according to any one of claims 1 to 7, characterized in that: The disc body and the shaft body are integrated.

Images