CN103394892A - Auxiliary tool for demounting water pump shaft and bearing - Google Patents

Auxiliary tool for demounting water pump shaft and bearing Download PDF

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Publication number
CN103394892A
CN103394892A CN2013102743061A CN201310274306A CN103394892A CN 103394892 A CN103394892 A CN 103394892A CN 2013102743061 A CN2013102743061 A CN 2013102743061A CN 201310274306 A CN201310274306 A CN 201310274306A CN 103394892 A CN103394892 A CN 103394892A
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China
Prior art keywords
bearing
pump shaft
threaded rod
depression bar
pressure
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CN2013102743061A
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Chinese (zh)
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CN103394892B (en
Inventor
梁振杰
杨美全
庞建召
黄世林
戚元霞
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201310274306.1A priority Critical patent/CN103394892B/en
Publication of CN103394892A publication Critical patent/CN103394892A/en
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Abstract

The invention discloses an auxiliary tool for demounting a water pump shaft and a bearing. The auxiliary tool comprises a pressure head assembly, a base assembly and a transitional sleeve. The pressure head assembly comprises an upper padding plate, a pressure shaft, a transitional locating sleeve, a pressure lever and a threaded rod assembly, wherein the upper padding plate, the pressure shaft, the transitional locating sleeve and the pressure lever are connected in sequence, and the threaded rod assembly is arranged in the pressure shaft. The base assembly comprises a low padding plate and a base supporting the lower padding plate, wherein a transitional sleeve locating hole is formed in the lower padding plate, and the base is provided with a water pump shaft and an avoiding space extruded by a bearing. The transitional sleeve is arranged in the transitional locating hole of the base assembly. The auxiliary tool for demounting the water pump shaft and the bearing is simple and reasonable in structure, generates power with the help of a hydraulic machine, is used for demounting the water pump shaft and the bearing out of a water pump shell body, and is safe, high in efficiency and low in labor intensity. Further, the material internal organizing structure of the water pump shaft and the material internal organizing structure of bearing assembly are not changed, and therefore the subsequent physical and chemical inspection results are made to be higher in credibility.

Description

Pump shaft and bearing are separated auxiliary mould
Technical field
The present invention relates to separate the frock field, particularly a kind of pump shaft and bearing are separated auxiliary mould.
Background technology
The many parts that form water pump complement all need to carry out physical and chemical inspection, as needs, to pump shaft, carry out the project checks such as hardness, metallographic, material.For the making of pump shaft physical and chemical inspection sample, need to be by pump shaft and bearing from water pump cover, separating out.
As shown in Figure 1, because pump shaft and bearing 41 is generally interference fit with housing 42, by artificial with draw code pump shaft and bearing 41 from water pump cover 42, splitting out (ejecting), labour intensity is large, and can't reach safety, efficiently.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provides a kind of rational in infrastructure, safe and efficient, and pump shaft and bearing that labour intensity is little are separated auxiliary mould.
For achieving the above object, according to the invention provides a kind of pump shaft and bearing, separate auxiliary mould, comprising:
Pressure head component, it comprises: the upper padding plate, pressure axis, transition positioning sleeve and the depression bar that connect successively, and be arranged on the threaded rod assembly in pressure axis; Described upper padding plate and the forcing press seat of honour are adaptive installs; Described pressure axis is installed plug by its top and is inserted in the pressure axis installing hole of upper padding plate, and fix with it by the screw of circumferential laying, its inner chamber top has the axial thread bar and takes in shoulder hole, and radially offers with threaded rod and take in the guider screw installing hole that shoulder hole connects along pressure axis; The transition positioning sleeve is fixed on pressure axis by screw, and its bottom surface is the binding face that coordinates with depression bar, and depression bar head container cavity is formed jointly at its inner chamber and pressure axis inner chamber bottom; The threaded rod assembly comprises: threaded rod and protection spring, threaded rod is with the threaded rod of pressure axis, to take in the multidiameter structure of shoulder hole adaptation, its macro-axis top, top offers axial protection spring reception hole, its excircle offers axially directed groove, the little axle of threaded rod is thread spindle, itself and macro-axis in conjunction with cascaded surface for threaded rod, to take in the spacing end face of shoulder hole adaptation; Depression bar comprises: the depression bar head on top, the backstop flange at middle part and the pressure head of bottom, and the center of top of depression bar head has the axial thread hole with the little axle adaptation of threaded rod; The adaptive laminating in the end face of backstop flange and transition positioning sleeve bottom surface;
Base assembly, it comprises: the base of lower bolster and the described lower bolster of support, described lower bolster offers the spacer shell locating hole, and base has the bit space that allows of pump shaft and bearing extrusion;
Spacer shell, it is installed in the spacer shell locating hole of base assembly.
In technique scheme, upper padding plate is located by positioning key, and by the adaptive installation of hexagon socket cap head screw, T-slot nut, hexagon socket cap head screw and hexagon socket cap head screw and the forcing press seat of honour.
In technique scheme, pressure axis is fixed by hexagon socket cap head screw and the upper padding plate of circumferential laying.
In technique scheme, the transition positioning sleeve is fixed on pressure axis from the bottom to top by hexagon socket cap head screw.
In technique scheme, gathering sill is four, and is circumferentially uniform along the threaded rod cross section.
In technique scheme, the backstop flange side opening of depression bar is provided with radially locking hole.
Compared with prior art, the present invention has following beneficial effect: it is simple and reasonable that this pump shaft and bearing are separated auxiliary mould, by hydraulic press, produces power, and for pump shaft and bearing are separated out from water pump cover, safe and efficient, labour intensity is little.And do not change pump shaft and bearing assembly material inside organization structure, make follow-up physical and chemical inspection result have higher credibility.In addition, can be by changing different depression bar and spacer shell, can adapt to diameter, and the water pump complement product of shaft length of different bearing outside diameters and axle.Also have, by the inching function by hydraulic press, while extruding pump shaft and bearing, can adjust the position of water pump cover, guarantee that the axis of depression bar axis and pump shaft and bearing is coaxial, course of work safe ready.
The accompanying drawing explanation
Fig. 1 is the water pump structure schematic diagram to be separated that pump shaft of the present invention and bearing are separated auxiliary mould;
Fig. 2 is the structural representation that pump shaft of the present invention and bearing are separated auxiliary mould;
Fig. 3 is the pressure head component sectional structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Fig. 4 is that P is to schematic diagram;
Fig. 5 is the pressure head component plan structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Fig. 6 is the sectional structure schematic diagram of the B-B direction of Fig. 5;
Fig. 7 is the pressure head component threaded rod master TV structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Fig. 8 is the sectional structure schematic diagram of the A-A direction of Fig. 7;
Fig. 9 is the sectional structure schematic diagram of the C-C direction of Fig. 7;
Figure 10 is the pressure head component depression bar master TV structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Figure 11 is vertical sectional structure schematic diagram of Figure 10;
Figure 12 is that the D of Figure 10 is to schematic diagram;
Figure 13 is the pressure head component depression bar plan structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Figure 14 is the spacer shell sectional structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Figure 15 is the spacer shell plan structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Figure 16 is the base assembly master TV structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Figure 17 is the base assembly plan structure schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould;
Figure 18 is the use status architecture schematic diagram that pump shaft of the present invention and bearing are separated auxiliary mould.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subjected to the restriction of the specific embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " be all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only for convenience of explanation, do not represent the restriction to the concrete technical scheme of the present invention.
It is simple and reasonable that pump shaft of the present invention and bearing are separated auxiliary mould, by hydraulic press, produces power, and for pump shaft and bearing are separated out from water pump cover, safe and efficient, labour intensity is little.
Below detailed description by way of example but unrestriced mode has illustrated the disclosure, should be understood that various aspect of the present disclosure can be by independent realization or the realization of being combined with other aspects.This specification clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe some embodiment, alternative, modification, alternative and system applies, comprised the current best mode that is considered to carry out the inventive principle of describing in this specification.When describing element or feature and/or embodiment, titled with " one " " one " " being somebody's turn to do " and " described ", be intended to represent to have one or more in element or feature.Term " comprises " that " comprising " and " having " is intended to is comprising property, and also has extra element or feature beyond being illustrated in those specifically described elements or feature.
As shown in Figure 2, the concrete structure that this pump shaft and bearing are separated auxiliary mould comprises: pressure head component 1, spacer shell 2 and base assembly 3, wherein, the adaptive installation of pressure head component and the forcing press seat of honour 51, separate pump shaft and the lower pressure power of bearing generation by hydraulic press, to treat.Base assembly is arranged on lower 52, forcing press, the bit space that allows with spacer shell locating hole and pump shaft and bearing extrusion, spacer shell 2 is installed in the spacer shell locating hole of base assembly, play the support water pump cover, and press dried up pump case to provide to allow accordingly bit space for pump shaft and bearing, the bit space that allows of base assembly and spacer shell 2 is guaranteed when pump shaft and bearing extrude not interfere.
As shown in Figures 2 to 6, pressure head component 1 comprises: the upper padding plate 11, pressure axis 12, transition positioning sleeve 13 and the depression bar 14 that connect successively from top to bottom, and be arranged on the threaded rod assembly in pressure axis 12; Upper padding plate 11 is by positioning key 111 location, and by hexagon socket cap head screw 112(M12X40), T-slot nut 113, hexagon socket cap head screw 114(M6X25) and hexagon socket cap head screw 115(M12X45) with the forcing press seat of honour is adaptive, install, with by hydraulic press, treat separate pump shaft and bearing produce under pressure power.
The top of pressure axis 12 has the installation plug, its inner chamber top has the axial thread bar and takes in shoulder hole, along pressure axis 12, radially offer with threaded rod and take in the guider screw installing hole that shoulder hole connects, pressure axis 12 is inserted in the pressure axis installing hole of upper padding plate 11 by plug is installed, and by the hexagon socket cap head screw 121(M10X55 that circumferentially lays) with it, fix.
Transition positioning sleeve 13 is by hexagon socket cap head screw 131(M6X25) be fixed to from the bottom to top on pressure axis 12, its bottom surface is the binding face that coordinates with depression bar 14, depression bar head container cavity is formed jointly at its inner chamber and pressure axis 12 inner chamber bottoms.
The threaded rod assembly comprises: threaded rod 15 and protection spring 16, as shown in Figure 7 to 9, threaded rod 15 is with the threaded rod of pressure axis 12, to take in the multidiameter structure of shoulder hole adaptation, its macro-axis top, top offers axial protection spring reception hole 151, its excircle offers axially directed groove 152, and gathering sill 152 is four circumferential uniform along threaded rod 15 cross sections.The little axle of threaded rod 15 is thread spindle, itself and macro-axis in conjunction with cascaded surface for threaded rod, to take in the spacing end face of shoulder hole adaptation.
As shown in Figure 10 to Figure 13, depression bar 14 comprises: the pressure head 143 of the depression bar head 141 on top, the backstop flange 142 at middle part and bottom, and the center of top of depression bar head 141 has the axial thread hole 144 with the little axle adaptation of threaded rod 15; The adaptive laminating of the end face of backstop flange 142 and transition positioning sleeve 13 bottom surfaces, its side opening is provided with radially locking hole 145.The diameter Ф D of the pressure head 143 of depression bar 14 is longer than the L1 of water pump complement less than the Ф C of water pump complement, the L2 of depression bar 14.
as shown in Figure 16 and Figure 17, base assembly 3 comprises again: the base 32 of lower bolster 31 and this lower bolster 31 of support, lower bolster 31 offers spacer shell locating hole 33, base 32 has the bit space that allows of pump shaft and bearing extrusion, as shown in Figure 14 and Figure 15, the internal diameter Ф B of spacer shell 2 spacer shells is greater than the Ф A of water pump complement, it is installed in the spacer shell locating hole 33 of base assembly, play the support water pump cover, and press dried up pump case to provide to allow accordingly bit space for pump shaft and bearing, the bit space that allows of base assembly and spacer shell 2 is guaranteed when pump shaft and bearing extrude not interfere.
As shown in figure 18, during assembling, first will protect spring 16 is arranged in threaded rod 15 top axial protection spring reception holes 151, and the threaded rod that its integral body is put into pressure axis 12 is taken in to shoulder hole, the guider screw installing hole that passes pressure axis 12 by guider screw 122 stretches into the gathering sill 152 of threaded rod 15, make threaded rod 15 under guider screw is spacing, threaded rod only can slide up and down and can not rotate along the guide cylinder face, make while changing different depression bar screw in and screw out depression bar more convenient, guarantee that the end face of transition positioning sleeve and depression bar fits fully.On the other hand, when occurring that the operator does not enter the extreme position of fitting fully to the end face of transition positioning sleeve and depression bar by depression bar with hand-screw and just starts mobile (crawl) and depress the hydraulic press seat of honour, depression bar can promote conversely threaded rod and slide along the guide cylinder face after being subject to the pump shaft reaction force, and by the protection spring-compressed of threaded rod afterbody, guarantee that the end face of transition positioning sleeve and depression bar fits fully, guarantee to extrude the stable of pump shaft and bearing course pressure axis at depression bar, guarantee man-machine safety.The spacing end face of threaded rod band, can guarantee that depression bar energy and transition positioning sleeve are connected, and operator's both hands can leave depression bar at any time.
Below with this frock, separate the concrete steps of pump shaft and bearing as follows:
1), clean out each working face of base assembly, spacer shell and depression bar, spacer shell is inserted in the middle locating hole of base assembly, depression bar is screwed on the threaded rod in pressure head component, and firmly screw extreme position by hand (end face that namely will guarantee transition positioning sleeve and depression bar is fitted fully).
2), water pump complement (having removed water pump cover and belt pulley) is placed on spacer shell, adjust the water pump complement position, make pump shaft and depression bar axis substantially coaxial.
3), employing is put a flowing mode hydraulic press seat of honour is moved down together with pressure head component, the timely position coaxial relation of revising pump shaft and depression bar in moving process.
4), adopt the some flowing mode that the hydraulic press seat of honour is moved down together with pressure head component, until pump shaft and bearing are extruded to water pump cover fully.
5), the hydraulic press seat of honour is risen to safe altitude together with pressure head component, take out workpiece and depression bar, spacer shell, complete an operation cycle.
To sum up, it is simple and reasonable that this pump shaft and bearing are separated auxiliary mould, by hydraulic press, produces power, and for pump shaft and bearing are separated out from water pump cover, safe and efficient, labour intensity is little.And do not change pump shaft and bearing assembly material inside organization structure, make follow-up physical and chemical inspection result have higher credibility.In addition, can be by changing different depression bar and spacer shell, can adapt to diameter, and the water pump complement product of shaft length of different bearing outside diameters and axle.Also have, by the inching function by hydraulic press, while extruding pump shaft and bearing, can adjust the position of water pump cover, guarantee that the axis of depression bar axis and pump shaft and bearing is coaxial, course of work safe ready.
Above disclosed be only several specific embodiment of the present invention, still, the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims (6)

1. a pump shaft and bearing are separated auxiliary mould, it is characterized in that, comprising:
Pressure head component, it comprises: the upper padding plate, pressure axis, transition positioning sleeve and the depression bar that connect successively, and be arranged on the threaded rod assembly in pressure axis; Described upper padding plate and the forcing press seat of honour are adaptive installs; Described pressure axis is installed plug by its top and is inserted in the pressure axis installing hole of upper padding plate, and fix with it by the screw of circumferential laying, its inner chamber top has the axial thread bar and takes in shoulder hole, and radially offers with threaded rod and take in the guider screw installing hole that shoulder hole connects along pressure axis; The transition positioning sleeve is fixed on pressure axis by screw, and its bottom surface is the binding face that coordinates with depression bar, and depression bar head container cavity is formed jointly at its inner chamber and pressure axis inner chamber bottom; The threaded rod assembly comprises: threaded rod and protection spring, threaded rod is with the threaded rod of pressure axis, to take in the multidiameter structure of shoulder hole adaptation, its macro-axis top, top offers axial protection spring reception hole, its excircle offers axially directed groove, the little axle of threaded rod is thread spindle, itself and macro-axis in conjunction with cascaded surface for threaded rod, to take in the spacing end face of shoulder hole adaptation; Depression bar comprises: the depression bar head on top, the backstop flange at middle part and the pressure head of bottom, and the center of top of depression bar head has the axial thread hole with the little axle adaptation of threaded rod; The adaptive laminating in the end face of backstop flange and transition positioning sleeve bottom surface;
Base assembly, it comprises: the base of lower bolster and the described lower bolster of support, described lower bolster offers the spacer shell locating hole, and base has the bit space that allows of pump shaft and bearing extrusion;
Spacer shell, it is installed in the spacer shell locating hole of base assembly.
2. pump shaft according to claim 1 and bearing are separated auxiliary mould, it is characterized in that: described upper padding plate is located by positioning key, and by the adaptive installation of hexagon socket cap head screw, T-slot nut, hexagon socket cap head screw and hexagon socket cap head screw and the forcing press seat of honour.
3. pump shaft according to claim 1 and bearing are separated auxiliary mould, it is characterized in that: described pressure axis is fixed by hexagon socket cap head screw and the upper padding plate of circumferential laying.
4. pump shaft according to claim 1 and bearing are separated auxiliary mould, it is characterized in that: described transition positioning sleeve is fixed on pressure axis from the bottom to top by hexagon socket cap head screw.
5. pump shaft according to claim 1 and bearing are separated auxiliary mould, it is characterized in that: described gathering sill is four, and is circumferentially uniform along the threaded rod cross section.
6. according to claim 1 to 5, the described pump shaft of any one and bearing are separated auxiliary mould, it is characterized in that: the backstop flange side opening of described depression bar is provided with radially locking hole.
CN201310274306.1A 2013-07-02 2013-07-02 Auxiliary mould separated by pump shaft and bearing Active CN103394892B (en)

Priority Applications (1)

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CN103394892B CN103394892B (en) 2015-10-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227619A (en) * 2014-09-11 2014-12-24 河南飞龙(芜湖)汽车零部件有限公司 Impeller pressing fixture
CN110328512A (en) * 2019-07-31 2019-10-15 无锡蓝力智能装备有限公司 Case of transmission bearing outer ring is pressed locking mechanism
CN112192181A (en) * 2020-10-09 2021-01-08 王在德 Double-oil-seal structure press-fitting device for tractor lifting shaft

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380107A (en) * 1978-02-15 1983-04-19 The Manitowoc Company, Inc. Connector pin handling device
RU2188112C2 (en) * 2000-07-10 2002-08-27 Акционерное общество открытого типа "Научно-исследовательский технологический институт" Stripper for demounting parts
CN201026561Y (en) * 2007-03-20 2008-02-27 永城煤电集团有限责任公司 Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller
CN201997924U (en) * 2011-03-21 2011-10-05 洛阳特重轴承有限公司 Bearing assembler
CN202292645U (en) * 2011-10-02 2012-07-04 广州市嘉特斯机电制造有限公司 Double-bearing press fitting device
CN203390499U (en) * 2013-07-02 2014-01-15 广西玉柴机器股份有限公司 Auxiliary tool for detaching water pump shaft and bearing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380107A (en) * 1978-02-15 1983-04-19 The Manitowoc Company, Inc. Connector pin handling device
RU2188112C2 (en) * 2000-07-10 2002-08-27 Акционерное общество открытого типа "Научно-исследовательский технологический институт" Stripper for demounting parts
CN201026561Y (en) * 2007-03-20 2008-02-27 永城煤电集团有限责任公司 Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller
CN201997924U (en) * 2011-03-21 2011-10-05 洛阳特重轴承有限公司 Bearing assembler
CN202292645U (en) * 2011-10-02 2012-07-04 广州市嘉特斯机电制造有限公司 Double-bearing press fitting device
CN203390499U (en) * 2013-07-02 2014-01-15 广西玉柴机器股份有限公司 Auxiliary tool for detaching water pump shaft and bearing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227619A (en) * 2014-09-11 2014-12-24 河南飞龙(芜湖)汽车零部件有限公司 Impeller pressing fixture
CN104227619B (en) * 2014-09-11 2016-02-24 河南飞龙(芜湖)汽车零部件有限公司 A kind of pressure impeller fixture
CN110328512A (en) * 2019-07-31 2019-10-15 无锡蓝力智能装备有限公司 Case of transmission bearing outer ring is pressed locking mechanism
CN112192181A (en) * 2020-10-09 2021-01-08 王在德 Double-oil-seal structure press-fitting device for tractor lifting shaft

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