CN204308890U - The auxiliary assembly tool of oil transfer pump bearing - Google Patents
The auxiliary assembly tool of oil transfer pump bearing Download PDFInfo
- Publication number
- CN204308890U CN204308890U CN201420712680.5U CN201420712680U CN204308890U CN 204308890 U CN204308890 U CN 204308890U CN 201420712680 U CN201420712680 U CN 201420712680U CN 204308890 U CN204308890 U CN 204308890U
- Authority
- CN
- China
- Prior art keywords
- bearing
- leading screw
- oil transfer
- transfer pump
- gland
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 34
- 238000005096 rolling process Methods 0.000 description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model embodiment provides a kind of auxiliary assembly tool of oil transfer pump bearing, and wherein, the auxiliary assembly tool of oil transfer pump bearing comprises: leading screw; The handle be connected with the first end of leading screw; In order to be the feed screw nut of rectilinear motion by the convert rotational motion of leading screw, the second end of leading screw screws in the centre bore of feed screw nut; The fixed disk be fixedly connected with the pump housing, feed screw nut is also fixing through the centre bore of fixed disk; The radial thrust bearing be connected with leading screw; By the gland that radial thrust bearing is connected with leading screw, the upper surface of gland is connected with radial thrust bearing, and the lower surface of gland and the upper surface of bearing match.The auxiliary assembly tool of the oil transfer pump bearing that the utility model embodiment provides; pump shaft and bearing can be protected very well; also destruction can not be produced to the shrink value of the two assembling; what solve the existence of existing assembling oil transfer pump bearing method cannot protect pump shaft and bearing, destroys the defect of the shrink value of pump shaft and bearing assemble.
Description
Technical field
The utility model embodiment relates to petrochemical equipment field, particularly relates to a kind of auxiliary assembly tool of oil transfer pump bearing.
Background technology
For ensure oil transfer pump normal, reliably operate, need to oil transfer pump carry out the repairing after regular foreseeability maintenance and fault safeguard.In the process that maintenance and repairing are safeguarded, an indispensable working link is the rolling bearing of assembling oil transfer pump.
The method of the rolling bearing of existing assembling oil transfer pump mainly contains following three classes: a) use hand hammer and copper rod to install rolling bearing: to be generally utilize copper rod to make liner, one end of copper rod is made to be placed in the inner ring of rolling bearing, the other end of copper rod is beaten with hand hammer, make the inner ring of rolling bearing stressed symmetrically and evenly, impel bearing to advance along axle journal reposefully.B) use special sleeve that rolling bearing is installed: first rolling bearing to be enclosed within axle, then to put sleeve, make the openend of sleeve withstand in the inner ring of rolling bearing, beat one end of sleeve cover plate with hand hammer, promote bearing and advance along axle journal.C) with hot charge practice or cold charge assembling rolling bearing: rolling bearing is put into machine oil by so-called hot charge practice exactly, and machine oil is heated, rolling bearing inner ring heat is expanded, just can successfully rolling bearing is enclosed within axle journal, then, it is made to naturally cool to normal temperature; Axle journal is placed in refrigerating plant by so-called cold charge exactly, is then taken out immediately by axle, inserts in the inner ring of rolling bearing, when the temperature of axle journal rises to normal temperature.
But, there is following defect in the method for the rolling bearing of above-mentioned three class assembling oil transfer pumps: a`) uses hand hammer and copper rod to install rolling bearing respectively, the dynamics of beaing copper rod due to hand hammer is uneven, easily impacts the circularity of pump shaft and axle degree, generally should not adopt.B`) use special sleeve to install the method for rolling bearing, also need to use hand hammer and beat, also the easy circularity to pump shaft and axle degree impact.C`) method of hot charge practice or cold charge assembling rolling bearing is used, although do not take any mechanical forced measure, also can not destruction be produced to the original shrink value of pump shaft, but higher in view of using the cost of heating agent or refrigerant, therefore also seldom use in practice.
Utility model content
The utility model embodiment provides a kind of auxiliary assembly tool of oil transfer pump bearing, solves the defect of the destruction pump shaft of existing assembling oil transfer pump bearing method existence and the shrink value of bearing assemble.
First aspect, the utility model embodiment provides a kind of auxiliary assembly tool of oil transfer pump bearing, and wherein, the auxiliary assembly tool of described oil transfer pump bearing comprises:
Leading screw;
The handle be connected with the first end of described leading screw;
In order to be the feed screw nut of rectilinear motion by the convert rotational motion of described leading screw, the second end of described leading screw screws in the centre bore of described feed screw nut;
The fixed disk be fixedly connected with the pump housing, described feed screw nut is also fixing through the centre bore of described fixed disk;
The radial thrust bearing be connected with described leading screw;
By the gland that described radial thrust bearing is connected with described leading screw, the upper surface of described gland is connected with described radial thrust bearing, and the lower surface of described gland and the upper surface of bearing match.
According to first aspect, in the first possible implementation of first aspect, the first end of described leading screw arranges the through hole perpendicular to described leading screw near end points place, for being fixedly connected with described handle.
According to first aspect, in the implementation that the second of first aspect is possible, second end of described leading screw is provided with external screw thread, and the internal thread of described external screw thread and described feed screw nut matches, and screws in the centre bore of described feed screw nut to make the second end of described leading screw.
According to first aspect, in the third possible implementation of first aspect, the inner ring thicknesses of described gland is less than the inner ring thicknesses of described bearing, and the outer ring thickness of described gland is less than the outer ring thickness of described bearing.
According to first aspect, first aspect the first to any one of the third possible implementation, in the 4th kind of possible implementation of first aspect, the parallelism tolerance of the upper and lower end face of described gland is less than 0.02mm.
According to first aspect, in the 5th kind of possible implementation of first aspect, described gland is fixedly connected with the outer shroud of described radial thrust bearing.
According to first aspect, in the 6th kind of possible implementation of first aspect, the upper surface of described gland is presented step-like.
According to first aspect, in the 7th kind of possible implementation of first aspect, the upper surface of described gland is h shape.
According to first aspect, in the 8th kind of possible implementation of first aspect, described fixed disk is fixedly connected with the described pump housing by screw.
The auxiliary assembly tool of the oil transfer pump bearing that the utility model embodiment provides, leading screw is driven to rotate by operating grip, the convert rotational motion of leading screw is rectilinear motion by feed screw nut, leading screw rotates and moves to pump shaft, and then thrust is passed to gland by radial thrust bearing, the gland extruding also peaceful steady radial direction along pump shaft of impeller-hub is advanced to precalculated position, in the process, gland is to the even applied thrust of bearing, pump shaft and bearing can be protected very well, also destruction can not be produced to the shrink value of the two assembling, what solve the existence of existing assembling oil transfer pump bearing method cannot protect pump shaft and bearing, destroy the defect of the shrink value of pump shaft and bearing assemble.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 1 provides for the utility model embodiment;
The use schematic diagram of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 2 provides for the utility model embodiment;
Another structural representation of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 3 provides for the utility model embodiment;
The another structural representation of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 4 provides for the utility model embodiment;
A structural representation again of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 5 provides for the utility model embodiment.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, the auxiliary assembly tool of described oil transfer pump bearing, comprising:
Leading screw 3;
The handle 6 be connected with the first end of described leading screw 3;
In order to by the convert rotational motion of described leading screw 3 to be the feed screw nut 4 of rectilinear motion, the second end of described leading screw 3 screws in the centre bore of described feed screw nut 4;
The fixed disk 1 be fixedly connected with the pump housing, described feed screw nut 4 is also fixing through the centre bore of described fixed disk 1;
The radial thrust bearing 5 be connected with described leading screw 3;
By the gland 7 that described radial thrust bearing 5 is connected with described leading screw 3, the upper surface of described gland 7 is connected with described radial thrust bearing 5, and the described lower surface of gland 7 and the upper surface of bearing match.
Particularly, the use schematic diagram of the auxiliary assembly tool of oil transfer pump bearing that provides for the utility model embodiment of Fig. 2.The step of the bearing of the auxiliary assembly tool assembling oil transfer pump of the oil transfer pump bearing using the utility model embodiment to provide is as follows:
1) leading screw 3, handle 6, feed screw nut 4, fixed disk 1, radial thrust bearing 5, gland 7 are assembled:
The first end of described leading screw 3 is connected with described handle 6;
Second end of described leading screw 3 is screwed in the centre bore of described feed screw nut 4;
Described feed screw nut 4 is passed the centre bore of described fixed disk 1 and is fixed in this centre bore;
Described leading screw 3 is connected with described radial thrust bearing 5; The upper surface of described gland 7 is connected with described radial thrust bearing 5, then described gland 7 is connected with described leading screw 3 by described radial thrust bearing 5; So far, the assembling of the auxiliary assembly tool of oil transfer pump bearing that provides of the utility model embodiment is complete.
2) before the bearing of the auxiliary assembly tool assembling oil transfer pump of the oil transfer pump bearing using the utility model embodiment to provide, in advance described bearing 8 is arranged on pump shaft 10, keeps the levelness of described bearing 8 and meet the requirements with the axiality of described pump shaft 10.
3) be fixed on the described pump housing 9 by described fixed disk 1, now, the lower surface of described gland 7 and the upper surface of described bearing 8 match.
4) by the rotation of the described handle 6 of operation, described leading screw 3 is driven to advance in the described pump housing 9 under the active force of described feed screw nut 4, thrust is passed to described gland 7 by described radial thrust bearing 5 by described leading screw 3, promote described gland 7 close to described bearing 8, when the lower surface of described gland 7 contacts with the upper surface of described bearing 8, continue to rotate described handle 6, and then promote described bearing 8 moving radially reposefully along described pump shaft 10, until precalculated position, complete the assembling of oil transfer pump bearing.
The auxiliary assembly tool of the oil transfer pump bearing that the utility model embodiment provides, leading screw is driven to rotate by operating grip, the convert rotational motion of leading screw is rectilinear motion by feed screw nut, leading screw rotates and moves to pump shaft, and then thrust is passed to gland by radial thrust bearing, the gland extruding also peaceful steady radial direction along pump shaft of impeller-hub is advanced to precalculated position, in the process, gland is to the even applied thrust of bearing, pump shaft and bearing can be protected very well, also destruction can not be produced to the shrink value of the two assembling, what solve the existence of existing assembling oil transfer pump bearing method cannot protect pump shaft and bearing, destroy the defect of the shrink value of pump shaft and bearing assemble.
On the basis of above-described embodiment, the first end of described leading screw 3 arranges the through hole perpendicular to described leading screw 3 near end points place, insert in this hole, to be fixedly connected with described handle 6 by described handle 6.
Optionally, the second end of described leading screw 3 is provided with external screw thread, and the internal thread of described external screw thread and described feed screw nut 4 matches, and screws in the centre bore of described feed screw nut 4 to make the second end of described leading screw 3.
Optionally, the inner ring thicknesses of described gland 7 is less than the inner ring thicknesses of described bearing 8, and the outer ring thickness of described gland 7 is less than the outer ring thickness of described bearing 8.
Particularly, in the process of the bearing of assembling oil transfer pump, when the lower surface of described gland 7 contacts with the upper surface of described bearing 8, inner and outer rings thickness due to described gland 7 is less than the inner and outer rings thickness of described bearing 8, the inner ring that ensure that described gland 7 only with loop contacts in described bearing 8, and the outer shroud of described gland 7 only with the outer loop contacts of described bearing 8.Continue to rotate described handle 6, make described gland 7 applied thrust on the inner and outer ring of described bearing 8, avoid applied thrust on the retainer of described bearing 8, prevent the retainer damaging described bearing 8.
On the basis of above-described embodiment, the parallelism tolerance of the upper and lower end face of described gland 7 is less than 0.02mm.
Particularly, upper by described gland 7, the parallelism tolerance of lower surface is less than in the scope of 0.02mm, when described gland 7 extrudes and promotes described bearing 8, ensure that described gland 7 can transmit uniform thrust to described bearing 8, described bearing 8 is made to be advanced to precalculated position along the radial direction of described pump shaft 10 reposefully, in the process, described gland 7 gives described bearing 8 applied thrust equably, pump shaft and bearing can be protected very well, also destruction can not be produced to the shrink value of the two assembling, what solve the existence of existing assembling oil transfer pump bearing method cannot protect pump shaft and bearing, destroy the defect of the shrink value of pump shaft and bearing assemble.
Optionally, described gland 7 is fixedly connected with the outer shroud of described radial thrust bearing 5.
Particularly, described leading screw 3 is connected with described radial thrust bearing 5, the outer shroud of described radial thrust bearing 5 is fixedly connected with described gland 7, thus described leading screw 3 is connected by described radial thrust bearing 5 with described gland 7, has good turning quality when described leading screw 3 is worked.
On the basis of above-described embodiment, the upper surface of described gland 7 is connected with described radial thrust bearing 5 at least can following three kinds of implementations:
The upper surface of mode 1, described gland 7 is presented step-like.Another structural representation of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 3 provides for the utility model embodiment.As shown in Figure 3, the upper surface of described gland 7 is presented step-like.
The upper surface of mode 2, described gland 7 is h shape.The another structural representation of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 4 provides for the utility model embodiment.As shown in Figure 4, the upper surface of described gland 7 is h shape.
The upper surface of mode 3, described gland 7 is H shape.A structural representation again of the auxiliary assembly tool of the oil transfer pump bearing that Fig. 5 provides for the utility model embodiment.As shown in Figure 5, the upper surface of described gland 7 is H shape.
Optionally, described fixed disk 1 is fixedly connected with the described pump housing 9 by screw 2.Particularly, described fixed disk 1 to be fixed with the described pump housing 9 by screw 2 and to be connected, and makes described leading screw 3 can steadily movement.
Optionally, the centre bore of described fixed disk 1 is provided with internal thread, and the outer surface of described feed screw nut 4 is provided with the external screw thread matched with the internal thread of the centre bore of described fixed disk 1.The centre bore of described fixed disk 1 and leading screw combination accessory, to ensure that leading screw operates steadily and rigidity.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. an auxiliary assembly tool for oil transfer pump bearing, is characterized in that, comprising:
Leading screw;
The handle be connected with the first end of described leading screw;
In order to be the feed screw nut of rectilinear motion by the convert rotational motion of described leading screw, the second end of described leading screw screws in the centre bore of described feed screw nut;
The fixed disk be fixedly connected with the pump housing, described feed screw nut is also fixing through the centre bore of described fixed disk;
The radial thrust bearing be connected with described leading screw;
By the gland that described radial thrust bearing is connected with described leading screw; Wherein,
The upper surface of described gland is connected with described radial thrust bearing, and the lower surface of described gland and the upper surface of bearing match.
2. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
The first end of described leading screw arranges the through hole perpendicular to described leading screw near end points place, for being fixedly connected with described handle.
3. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
Second end of described leading screw is provided with external screw thread;
The internal thread of described external screw thread and described feed screw nut matches, and screws in the centre bore of described feed screw nut to make the second end of described leading screw.
4. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
The inner ring thicknesses of described gland is less than the inner ring thicknesses of described bearing, and the outer ring thickness of described gland is less than the outer ring thickness of described bearing.
5., according to the auxiliary assembly tool of the arbitrary described oil transfer pump bearing of Claims 1-4, it is characterized in that,
The parallelism tolerance of the upper and lower end face of described gland is less than 0.02mm.
6. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
Described gland is fixedly connected with the outer shroud of described radial thrust bearing.
7. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
The upper surface of described gland is presented step-like.
8. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
The upper surface of described gland is h shape.
9. the auxiliary assembly tool of oil transfer pump bearing according to claim 1, is characterized in that,
Described fixed disk is fixedly connected with the described pump housing by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712680.5U CN204308890U (en) | 2014-11-24 | 2014-11-24 | The auxiliary assembly tool of oil transfer pump bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712680.5U CN204308890U (en) | 2014-11-24 | 2014-11-24 | The auxiliary assembly tool of oil transfer pump bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308890U true CN204308890U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712680.5U Expired - Fee Related CN204308890U (en) | 2014-11-24 | 2014-11-24 | The auxiliary assembly tool of oil transfer pump bearing |
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| CN (1) | CN204308890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943389A (en) * | 2019-12-11 | 2020-03-31 | 上海平高天灵开关有限公司 | Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear |
| CN114367943A (en) * | 2021-12-14 | 2022-04-19 | 浙江凯华模具有限公司 | Flying die positioning pin installation device |
| CN114407212A (en) * | 2022-01-26 | 2022-04-29 | 三河建华高科有限责任公司 | Accurate main shaft installation auxiliary mechanism of multi-wire cutting equipment |
-
2014
- 2014-11-24 CN CN201420712680.5U patent/CN204308890U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943389A (en) * | 2019-12-11 | 2020-03-31 | 上海平高天灵开关有限公司 | Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear |
| CN114367943A (en) * | 2021-12-14 | 2022-04-19 | 浙江凯华模具有限公司 | Flying die positioning pin installation device |
| CN114367943B (en) * | 2021-12-14 | 2024-06-07 | 浙江凯华模具有限公司 | Fly form locating pin installation device |
| CN114407212A (en) * | 2022-01-26 | 2022-04-29 | 三河建华高科有限责任公司 | Accurate main shaft installation auxiliary mechanism of multi-wire cutting equipment |
| CN114407212B (en) * | 2022-01-26 | 2024-01-05 | 三河建华高科有限责任公司 | Precise main shaft installation auxiliary mechanism of multi-wire cutting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |