CN223524848U - Pump drive end bearing structure - Google Patents
Pump drive end bearing structureInfo
- Publication number
- CN223524848U CN223524848U CN202520003219.0U CN202520003219U CN223524848U CN 223524848 U CN223524848 U CN 223524848U CN 202520003219 U CN202520003219 U CN 202520003219U CN 223524848 U CN223524848 U CN 223524848U
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- CN
- China
- Prior art keywords
- supporting
- driving end
- support frame
- height
- drive end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a pump driving end supporting structure which comprises a supporting frame, a height determining component and an adjusting component, wherein the supporting frame comprises an arc-shaped supporting surface capable of being matched with a pump driving end and a supporting block capable of being supported on a base plate, the height determining component is arranged on the supporting frame and is used for determining the height of the pump driving end, and the adjusting component is used for adjusting the height of the supporting frame so that the arc-shaped supporting surface is abutted with the pump driving end. According to the pump driving end supporting structure disclosed by the utility model, the supporting frame is contacted with the diesel engine pre-lubrication oil pump driving end through the arc-shaped supporting surface, so that the contact area can be increased, the supporting stability is improved, the height of the diesel engine pre-lubrication oil pump driving end can be determined by the height determining component, the height of the supporting frame can be adjusted by the adjusting component, the arc-shaped supporting surface is abutted with the diesel engine pre-lubrication oil pump driving end, the adjustment is simple and convenient, the supporting rigidity can be improved, the later vibration is reduced, and the normal operation of the diesel engine pre-lubrication oil pump is ensured.
Description
Technical Field
The utility model relates to the technical field of pre-lubrication oil pump equipment of a diesel engine of a nuclear power station, in particular to a pump driving end supporting structure.
Background
The emergency diesel generator of the nuclear power station is directly related to nuclear safety as an emergency safety power supply, and when the working power supply and the auxiliary power supply of the nuclear power station fail, the emergency diesel generator starts to supply power to ensure the nuclear safety equipment to use electricity.
The pre-lubrication oil pump of the diesel engine is a gear pump and has the main effects that lubricating oil is conveyed to all mechanical parts of a diesel engine body for lubrication in a standby state of the diesel engine, so that an oil film can be quickly built after the diesel engine is started in an emergency, damage of friction parts caused by lack of lubrication is prevented, and manufacturers require that the shutdown time of the pre-lubrication oil pump in the standby state cannot exceed two hours, otherwise, the diesel engine is not available. The pre-lubrication oil pump of the diesel engine is in a continuous running state, and if the fault that the pre-lubrication oil pump is unavailable due to high-vibration and other defects, the normal use of the diesel engine can be influenced, and the nuclear safety can be influenced.
The common higher position of vibration of diesel engine pre-lubrication oil pump is at diesel engine pre-lubrication oil pump drive end, and drive end bottom support is C cantilever bearing structure and double-screw bolt among the prior art, and C cantilever bearing structure bottom is unsettled, and the double-screw bolt is direct to contact with diesel engine pre-lubrication oil pump drive end, and double-screw bolt length is longer, and single-arm supporting effect is not good, has the problem of rigidity inadequately, and the high problem of vibration easily appears in pump drive end horizontal direction, has the potential safety hazard.
Therefore, how to improve the supporting stability of the driving end of the pre-lubrication pump of the diesel engine and ensure the normal operation of the pre-lubrication pump of the diesel engine becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of utility model
Therefore, the utility model aims to provide a pump driving end supporting structure so as to improve the supporting stability of the driving end of the diesel engine pre-lubrication pump and ensure the normal operation of the diesel engine pre-lubrication pump.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a pump drive end support structure comprising:
The support frame comprises an arc-shaped support surface capable of being matched with the driving end of the pump and a support block capable of being supported on the bottom plate;
The height determining component is arranged on the supporting frame and used for determining the height of the driving end of the pump;
The adjusting component is used for adjusting the height of the supporting frame so that the arc-shaped supporting surface is abutted with the driving end of the pump. A
Optionally, in the pump drive end support structure described above, the support frame includes:
The arc-shaped supporting surface is arranged on the supporting frame main body;
the supporting shoe, the both sides of support frame main part all are provided with the supporting shoe.
Optionally, in the above pump driving end supporting structure, wall surfaces on two sides of the supporting frame body are inclined surfaces.
Alternatively, in the above-described pump drive end support structure, the support block has a rectangular or trapezoidal or elliptical cross-sectional shape.
Optionally, in the pump driving end supporting structure, the height determining assembly includes a first bolt and a nut, the nut is connected with the supporting frame body, a first mounting hole is formed in the supporting frame body, and the first bolt is in threaded fit with the nut and penetrates through the first mounting hole.
Optionally, in the above pump drive end support structure, the adjustment assembly comprises:
The bottom plate is provided with a first threaded hole, the supporting block is provided with a second mounting hole, and the second bolt penetrates through the second mounting hole and is in threaded fit with the first threaded hole;
The third bolt is in threaded fit with the second threaded hole and is abutted with the bottom plate;
the gasket is arranged between the supporting frame and the bottom plate.
Optionally, in the pump drive end support structure described above, the spacer includes a plurality of spacers, each spacer having the same or different thickness.
Optionally, in the pump drive end support structure described above, the second mounting hole is a kidney-shaped hole.
Optionally, in the above pump drive end support structure, the third mounting hole is provided inside or outside the screw hole.
Optionally, in the pump driving end supporting structure, a material of the supporting frame is a metal material.
According to the scheme, the supporting frame is contacted with the driving end of the diesel engine pre-lubrication oil pump through the arc-shaped supporting surface, compared with the prior art, the contact area of the supporting frame with the diesel engine pre-lubrication oil pump through the stud is increased, the friction force is increased, the diesel engine pre-lubrication oil pump is more stable in the operation process, vibration is reduced, is supported on the bottom plate through the supporting block, compared with the scheme of the C-shaped cantilever supporting structure in the prior art, the contact area with the bottom plate can be increased, the load can be distributed more uniformly through the larger contact area, local stress concentration is reduced, the supporting block is more stable in structure compared with the C-shaped cantilever supporting structure, the overall supporting effect can be improved, the supporting stability is improved, the height of the driving end of the diesel engine pre-lubrication oil pump can be determined through the height determining component, the supporting frame can be adjusted through the adjusting component, the arc-shaped supporting surface is abutted with the driving end of the diesel engine pre-lubrication oil pump, the adjusting is simple and convenient, the supporting rigidity can be improved, the later vibration can be reduced, and the normal operation of the diesel engine pre-lubrication oil pump can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a support frame according to an embodiment of the present utility model;
FIG. 2 is a front view of a support stand according to an embodiment of the present utility model;
FIG. 3 is a side view of a support stand according to an embodiment of the present disclosure;
FIG. 4 is a top view of a support stand according to an embodiment of the present utility model;
Fig. 5 is a schematic view of a pump drive end support structure according to an embodiment of the present utility model.
Wherein 10 is a support frame, 11 is a support frame main body, 111 is an arc-shaped support surface, 112 is a first mounting hole, 12 is a support block, 121 is a second mounting hole, and 122 is a second threaded hole;
20 is a height determining component, 21 is a first bolt, and 22 is a nut;
30 is an adjusting assembly, 31 is a second bolt, and 32 is a third bolt.
Detailed Description
The utility model discloses a pump driving end supporting structure, which is used for improving the supporting stability of a diesel engine pre-lubrication oil pump driving end and ensuring the normal operation of the diesel engine pre-lubrication oil pump.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 5, an embodiment of the present utility model discloses a pump drive end support structure including a support bracket 10, a height determining assembly 20, and an adjusting assembly 30.
It should be noted that, the following description will be given by taking the pump driving end supporting structure as an example applied to the diesel engine pre-lubrication oil pump driving end, but the pump driving end supporting structure is not limited to be applied to the diesel engine pre-lubrication oil pump driving end, and may be applied to the supporting of other types of pump driving ends.
The support frame 10 includes an arc-shaped support surface 111 capable of being matched with the pump driving end and a support block 12 capable of being supported on a base plate, and the specific radian of the arc-shaped support surface 111 is set according to the specific radian of the pump driving end. The height determining component 20 is arranged on the support frame 10 and is used for determining the height of the driving end of the diesel engine pre-lubrication oil pump so that the motor output shaft of the driving end of the diesel engine pre-lubrication oil pump and the pump shaft of the diesel engine pre-lubrication oil pump are on the same straight line, the connection precision of the motor output shaft and the pump shaft of the diesel engine pre-lubrication oil pump is guaranteed, and the adjusting component 30 is used for adjusting the height of the support frame 10 so that the arc-shaped supporting surface 111 is abutted with the driving end of the diesel engine pre-lubrication oil pump.
According to the pump driving end supporting structure disclosed by the embodiment of the utility model, the supporting frame 10 is contacted with the diesel engine pre-lubrication oil pump driving end through the arc-shaped supporting surface 111, compared with the prior art, the contact area can be increased, the friction force is increased, the diesel engine pre-lubrication oil pump is more stable in the operation process, vibration is reduced, is supported on the bottom plate through the supporting block 12, compared with the scheme of the C-shaped cantilever supporting structure in the prior art, the contact area with the bottom plate can be increased, the load can be more uniformly distributed through the larger contact area, the local stress concentration is reduced, the supporting block is more stable in structure compared with the C-shaped cantilever supporting structure, the overall supporting effect can be improved, the supporting stability is improved, the height of the diesel engine pre-lubrication oil pump driving end can be determined by the height determining component 20, the height of the supporting frame 10 can be adjusted by the adjusting component 30, the arc-shaped supporting surface 111 is abutted with the diesel engine pre-lubrication oil pump driving end, the adjusting is simple and convenient, the supporting rigidity can be improved, the later vibration can be reduced, and the normal operation of the diesel engine pre-lubrication oil pump can be ensured.
Further, as shown in fig. 1 to 4, the support frame 10 includes a support frame body 11 and support blocks 12, wherein the support blocks 12 are disposed on two sides of the support frame body 11, and an arc-shaped support surface 111 is disposed on the support frame body 11. The support frame 10 can be of an integral structure or a split structure, the support blocks 12 and the support frame main body 11 are formed by welding connection, preferably of an integral structure, and the two support blocks 12 are symmetrically arranged.
Further, the wall surfaces on two sides of the support frame main body 11 are inclined surfaces, the support frame main body 11 is of a trapezoid structure, the structural stability of the support frame 10 can be improved through the arrangement scheme, and the pump driving end is adapted to different types of pump driving ends.
Further, the cross-sectional shape of the support block 12 is rectangular or trapezoidal or square or oval, and the specific shape is not limited, and the cross-sectional shape of the support block 12 shown in fig. 1 is rectangular.
Further, the height determining assembly 20 includes a first bolt 21 and a nut 22, the nut 22 is connected with the support frame main body 11, a first mounting hole 112 is formed in the support frame main body 11, the first mounting hole 112 is a through hole, and the first bolt 21 is in threaded fit with the nut 22 and passes through the first mounting hole 112, as shown in fig. 1 and 5.
The first bolt 21 is rotated in a first direction so that the first bolt 21 is abutted against the pump driving end, the distance from the bottom surface of the pump driving end to the ground is recorded, then the first bolt 21 is rotated in a second direction so that the first bolt 21 descends to be flush with the surface of the arc-shaped supporting surface 111 or lower than the arc-shaped supporting surface 111, and then the height of the support frame 10 is adjusted through the adjusting assembly 30 so that the arc-shaped supporting surface 111 is abutted against the pump driving end. Preferably, the first bolts 21 are M16 bolts.
Further, the adjusting assembly 30 includes a second bolt 31, a third bolt 32 and a spacer, a first threaded hole is formed in the bottom plate, a second mounting hole 121 is formed in the supporting block 12, and the second bolt 31 passes through the second mounting hole to be in threaded fit with the first threaded hole. The support block 12 is provided with a second threaded hole 122, the third bolt 32 is in threaded fit with the second threaded hole 122 and abuts against the bottom plate, and the gasket is arranged between the support frame 10 and the bottom plate, as shown in fig. 1 and 5.
After the height determining assembly 20 determines the height of the driving end of the pump, taking the adjustment of the supporting block 12 at one side as an example, when the supporting frame 10 needs to be adjusted up, the second bolt 31 is rotated in the second direction firstly, so that the second bolt 31 is disengaged from the second threaded hole 122, that is, the supporting frame 10 is disengaged from the bottom plate, then the third bolt 32 is rotated in the first direction, the supporting block 12 is lifted until the arc-shaped supporting surface 111 is abutted against the driving end of the pre-lubrication oil pump of the diesel engine, a gasket is added at the bottom of the supporting frame 10 to fill the gap between the supporting frame 10 and the bottom plate, and then the second bolt 31 is rotated in the first direction, so that the second bolt 31 is in threaded fit with the first threaded hole, so that the supporting frame 10 is fixed with the bottom plate. The adjustment manner of the support block 12 on the other side is the same as that described above, and the adjustment assemblies on the two sides are respectively adjusted until the height of the arc-shaped support surface 111 reaches the height determined by the height determining assembly 20, and the arc-shaped support surface 111 abuts against the driving end of the pump. Preferably, the second bolt 31 is an M10 bolt and the third bolt 32 is an M8 bolt. It should be noted that the adjusting assemblies 30 on the supporting blocks 12 on both sides may be adjusted simultaneously, or one group may be adjusted and the other group may be adjusted after the other group is adjusted.
Further, the spacer includes a plurality of spacers having the same or different thickness, and the spacer is preferably a metal spacer, such as a copper spacer or an iron spacer, and the thickness is selected to be adapted according to the height adjustment of the support frame 10.
Further, in order to enable the arc-shaped supporting surface 111 on the supporting frame 10 to be matched with the driving end of the diesel engine pre-lubrication oil pump better, the second mounting hole 121 is a waist-shaped hole, and the position of the supporting frame 10 can be adjusted through the arrangement of the waist-shaped hole, so that the arc-shaped supporting surface 111 is abutted with the driving end of the oil pump better.
Further, the second mounting hole 121 is provided inside or outside the second screw hole 122, and the second mounting hole 121 shown in fig. 4 is provided inside the second screw hole 122.
In the pump driving end supporting structure disclosed by the embodiment of the utility model, the supporting frame 10 is preferably made of metal, such as cast iron, alloy steel or stainless steel, so as to ensure the stability of the support.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. A pump drive end support structure, comprising:
The support frame (10), the support frame (10) comprises an arc-shaped supporting surface (111) capable of being matched with the driving end of the pump and a supporting block (12) capable of being supported on the bottom plate;
A height determining assembly (20), the height determining assembly (20) being provided on the support frame (10) for determining the height of the pump drive end;
And the adjusting assembly (30) is used for adjusting the height of the supporting frame (10) so that the arc-shaped supporting surface (111) is abutted with the driving end of the pump.
2. A pump drive end support structure according to claim 1, wherein the support frame (10) comprises:
the support frame body (11), the said arc supporting surface (111) is set up on the said support frame body (11);
The support block (12), both sides of support frame main part (11) all are provided with support block (12).
3. A pump drive end support structure according to claim 2, wherein the wall surfaces on both sides of the holder body (11) are inclined surfaces.
4. A pump drive end support structure according to claim 3, wherein the support block (12) is rectangular or trapezoidal or oval in cross-sectional shape.
5. A pump drive end support structure according to claim 2, wherein the height determining assembly (20) comprises a first bolt (21) and a nut (22), the nut (22) being connected to the support frame body (11), the support frame body (11) being provided with a first mounting hole (112), the first bolt (21) being in threaded engagement with the nut (22) and passing through the first mounting hole (112).
6. A pump drive end support structure according to claim 5, wherein the adjustment assembly (30) comprises:
The second bolt (31) is provided with a first threaded hole, the supporting block (12) is provided with a second mounting hole (121), and the second bolt (31) passes through the second mounting hole (121) to be in threaded fit with the first threaded hole;
A third bolt (32), a second threaded hole (122) is formed in the supporting block (12), and the third bolt (32) is in threaded fit with the second threaded hole (122) and is abutted with the bottom plate;
The gasket is arranged between the support frame (10) and the bottom plate.
7. A pump-drive-end support structure according to claim 6, wherein the spacer comprises a plurality of spacers, each of the spacers having the same or different thickness.
8. A pump drive end support structure according to claim 6, wherein the second mounting hole (121) is a kidney-shaped hole.
9. A pump drive end support structure according to claim 6, wherein the second mounting hole (121) is provided inside or outside the second threaded hole (122).
10. A pump drive end support structure according to any one of claims 1-9, wherein the material of the support frame (10) is a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520003219.0U CN223524848U (en) | 2025-01-02 | 2025-01-02 | Pump drive end bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520003219.0U CN223524848U (en) | 2025-01-02 | 2025-01-02 | Pump drive end bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223524848U true CN223524848U (en) | 2025-11-07 |
Family
ID=97527206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520003219.0U Active CN223524848U (en) | 2025-01-02 | 2025-01-02 | Pump drive end bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223524848U (en) |
-
2025
- 2025-01-02 CN CN202520003219.0U patent/CN223524848U/en active Active
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