CN105436861A - Assembling device and method for shaft connection bearing of engine cooling water pump - Google Patents
Assembling device and method for shaft connection bearing of engine cooling water pump Download PDFInfo
- Publication number
- CN105436861A CN105436861A CN201510820923.6A CN201510820923A CN105436861A CN 105436861 A CN105436861 A CN 105436861A CN 201510820923 A CN201510820923 A CN 201510820923A CN 105436861 A CN105436861 A CN 105436861A
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- bearing
- clamp body
- shaft connecting
- guide
- pump housing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an assembling device and method for a shaft connection bearing of an engine cooling water pump. The assembling device comprises a workbench which is provided with a fixture body. A pressing mechanism is arranged on the fixture body. The workbench is provided with a bearing righting guiding and positioning mechanism. The bearing righting guiding and positioning mechanism comprises a guiding rod arranged inside the workbench, and the guiding rod and a telescopic rod of the pressing mechanism are coaxial. The guiding rod is in elastic connection with the workbench. A guiding head matched with a shaft of the shaft connection bearing is arranged at the upper end of the guiding rod. According to the assembling method, the precision for installing the bearing is high, and the bearing cannot be damaged, so that the installing efficiency is high.
Description
Technical field
The present invention relates to auto pump bearing pump erection unit technical field, particularly a kind of engine cooling water pump shaft connecting bearing assembling device and assembly method.
Background technology
The assembling key of shaft connecting bearing can not bear pressure assembling force at assembling process middle (center) bearing rolling element, bearing roller can not bear axial compressive force, the irregular center of gravity of the pump housing easily offsets, and another key point is the pump housing can not have relative displacement namely will fix the dead pump housing and bearing inner-core with bearing inner-core (be pump shaft for being separated class water pump) press-fiting in process.Existing pressing method adopts to press-fit manually, put by the pump housing on the table, and the hand steered pump housing of a people makes pump housing bearing contact with on workbench, pounds bearing into the pump housing with hammer.There is following problem in above-mentioned pressing method: at least need two people operation, operation is wasted time and energy, and efficiency of assembling is extremely low, and two people only can install 18 in one day 8 hours, and what is more important yield rate is low, yield rate only 70%.And pump housing weight greatly not easily grasps balance, easily smash bearing or the/pump housing, and impulsive force is large in the process of pounding, produces reaction force, easily cause bearing damage.CN201010295655.8 disclose a kind of protect shaft connecting bearing not stress when press-fiting device and using method, this device comprises base and support, described base is provided with locating piece, compression cylinder, locking cylinder, drift and drift cylinder, described compression cylinder is provided with mould bases, mould bases is provided with pressing plate, pressing plate is provided with briquetting, described drift cylinder is provided with support mandrel, described support is provided with pressure sensor, described pressure sensor is provided with axle sleeve, displacement transducer is provided with in axle sleeve, spring is provided with between axle sleeve and support mandrel, described support mandrel upper end and axle even hold axle and contact, lower end contacts with displacement transducer and pressure sensor.This invention ensures that shaft connecting bearing does not stress when press-fiting, but complicated operation, and pressing bearing efficiency is low, and yield rate is low.
Summary of the invention
The present invention be directed to above-mentioned prior art Problems existing, provide a kind of engine cooling water pump shaft connecting bearing assembling device and assembly method, install bearing accurate, can not damage bearing, installation effectiveness is high.
The technical solution used in the present invention:
A kind of engine cooling water pump shaft connecting bearing assembling device, comprise workbench, described workbench is provided with clamp body, and described clamp body is provided with press-loading device, and described workbench arranges bearing righting guide-localization mechanism.
Described bearing righting guide-localization mechanism comprises setting fairlead on the table and is positioned at the fairlead guide head coaxial with the expansion link of press-loading device, and described guide head is connected by elastic mechanism with clamp body.
Described elastic mechanism comprises the guide post that is arranged under guide head and the spring under being positioned at guide post.
Described guide head and bearing shaft are slidably matched.
Described press-loading device comprise setting under the top plate press-fit cylinder and be arranged on the pressure head press-fiting Telescopic-cylinder rod end.
Be provided with the groove holding bearing shaft in described pressure head, annular lug and the bearing outer ring of all sides of pressure head match.
Silicagel pad is provided with between described clamp body and workbench.
Groove diameter in described guide head and the shaft diameter of bearing match.
Described workbench is connected by clamp body alignment pin with clamp body, and clamp body is provided with pump housing alignment pin.
Described clamp body and silicagel pad center are equipped with the through hole passed for guide post.
Limited post is provided with between described expansion link and workbench.
Described fairlead is provided with the limited block preventing guide head from skidding off.
Described silicagel pad is made up of the raw material of following parts by weight and is prepared from, natural rubber 50 ~ 70 parts, white carbon 10 ~ 12 parts, stearic acid 4 ~ 6 parts, cis-butadiene cement 2 ~ 3 parts, hollow glass microbead 8 ~ 12 parts, asbestos fibre 12 ~ 18 parts, aromatic naphtha 6 ~ 8 parts, vulcanizing agent 6 ~ 10 parts.
A kind of engine cooling water pump shaft connecting bearing assembly method, comprises the following steps, 1) silicagel pad is placed on the table, by clamp body alignment pin, clamp body is installed on the table;
2) be placed on clamp body by the pump housing, fixed by the pump housing, prevent double swerve by pump housing alignment pin, be placed on by shaft connecting bearing on the pump housing, the axle of shaft connecting bearing enters in guide head;
3) press-fit cylinder operation expansion link band dynamic head to move down, pressure head is pressed on the outer ring of shaft connecting bearing, guide head plays guide effect, and make the axle of expansion link, guide post and shaft connecting bearing coaxial, pressure head moves down, while bearing slowly enters the pump housing, guide head also moves down, pressure head continues to move down, and shaft connecting bearing is pressed into the pump housing, when being press fit into set depth, limited post plays position-limiting action, prevents from damaging the pump housing by pressure;
4) press-fit on cylinder operation band dynamic head and move, take off the pump housing, spring promotes push rod and guide head resets, and shaft connecting bearing press-fits complete.
Further, in step 3), the key of initial position is, the pump housing is put on clamp body, and clamp body supports large of the pump housing, and pump housing water seal hole end face does not contact with guide head end face, but has the gap of 0.2 ~ 0.5mm; Press-fit in process, move down and bear the increase gradually of pressure assembling force along with bearing, water seal hole end face and the pump housing locating shaft end face of the pump housing are finally fitted, now the gap of initial 0.2 ~ 0.5 is transferred in the silicagel pad below clamp body, form the deflection of rubber, the pump housing is irregular, by adjustment clamp body alignment pin adjustable clamp body, makes it balance the pump housing laying particular stress at initial position.
Beneficial effect of the present invention: bearing righting guide-localization mechanism comprises setting fairlead on the table and is positioned at the fairlead guide head coaxial with the expansion link of press-loading device, described guide head is connected by elastic mechanism with clamp body, described elastic mechanism comprises the guide post that is arranged under guide head and the spring under being positioned at guide post or cylinder, elastic mechanism plays the effect of support guide head, described guide head is sleeved in bearing shaft and is slidably matched with bearing shaft, guide head is enclosed within bearing shaft and is slidably matched with it, in pressing bearing axle process, bearing shaft to move down all the time in guide head, fairlead and guide head play guide effect, bearing shaft can not inclination and offset, bearing press mounting uniform force, bearing can not be damaged.The key of initial position is, the pump housing is put on clamp body, and clamp body supports large of the pump housing, and pump housing water seal hole end face does not contact with guide head end face, but has the gap of 0.2 ~ 0.5mm; Press-fit in process, move down and bear the increase gradually of pressure assembling force along with bearing, water seal hole end face and the pump housing locating shaft end face of the pump housing are finally fitted, now the gap of initial 0.2 ~ 0.5 is transferred in the silicagel pad below clamp body, form the deflection of rubber, the pump housing is irregular, by adjustment clamp body alignment pin adjustable clamp body, makes it balance the pump housing laying particular stress at initial position.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail:
Fig. 1 is structural representation of the present invention.
Drawing reference numeral illustrates: 1, workbench; 2, spring; 3, guide post; 4, silicagel pad; 5, clamp body; 6, fairlead; 7, shaft connecting bearing; 8, pressure head; 9, cylinder is press-fited; 10, top board; 11, guide head.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, a kind of engine cooling water pump shaft connecting bearing assembling device, comprises workbench 1, and described workbench 1 is provided with clamp body 5, and described clamp body 5 is provided with press-loading device, and described workbench 1 arranges bearing righting guide-localization mechanism.
Described bearing righting guide-localization mechanism comprises setting fairlead 6 on the table and is positioned at the fairlead guide head 11 coaxial with the expansion link of press-loading device, and described guide head is connected by elastic mechanism with clamp body.
Described elastic mechanism comprises the guide post that is arranged under guide head and the spring 2 under being positioned at guide post 3 or cylinder, and spring plays the effect of support guide bar and guide head.
Described guide head and bearing shaft are slidably matched, and guide head plays as bearing shaft guide effect, prevents the effect that bearing shaft tilts.
Described press-loading device comprises and is arranged on press-fiting cylinder 9 and being arranged under top board 10 and press-fits the Telescopic-cylinder rod end pressure head 8 coaxial with guide head.
Be provided with the groove holding bearing shaft in described pressure head 8, annular lug and the bearing outer ring of all sides of pressure head match.
Silicagel pad 4 is provided with between described clamp body and workbench.
Groove diameter in described guide head and the shaft diameter of bearing match, and bearing shaft enters in guide head, play the effect of bearing shaft righting.
Described workbench is connected by clamp body alignment pin with clamp body, and clamp body is provided with pump housing alignment pin.
Described clamp body and silicagel pad 4 center are equipped with the through hole passed for guide post.
Limited post is provided with between described expansion link and workbench.
The external diameter of described fairlead 6 upper end is provided with and matches with pump housing endoporus, plays the effect of the righting pump housing.
Described silicagel pad is made up of the raw material of following parts by weight and is prepared from, natural rubber 50 parts, white carbon 10 parts, stearic acid 4 parts, cis-butadiene cement 2 parts, hollow glass microbead 8 parts, asbestos fibre 12 parts, aromatic naphtha 6 parts, vulcanizing agent 6 parts.
A kind of engine cooling water pump shaft connecting bearing assembly method, comprises the following steps,
1) silicagel pad is placed on the table, by clamp body alignment pin, clamp body is installed on the table;
2) be placed on clamp body by the pump housing, fixed by the pump housing, prevent double swerve by pump housing alignment pin, be placed on by shaft connecting bearing on the pump housing, the axle of shaft connecting bearing 7 enters in guide head;
3) press-fit cylinder operation expansion link band dynamic head to move down, pressure head is pressed on the outer ring of shaft connecting bearing, guide head plays guide effect, and make the axle of expansion link, guide post and shaft connecting bearing coaxial, pressure head moves down, while bearing slowly enters the pump housing, guide head also moves down, pressure head continues to move down, and shaft connecting bearing is pressed into the pump housing, when being press fit into set depth, limited post plays position-limiting action, prevents from damaging the pump housing by pressure;
4) press-fit on cylinder operation band dynamic head and move, take off the pump housing, spring promotes push rod and guide head resets, and shaft connecting bearing press-fits complete.
Embodiment 2:
As shown in Figure 1, a kind of engine cooling water pump shaft connecting bearing assembling device, comprises workbench 1, and described workbench 1 is provided with clamp body 5, and described clamp body 5 is provided with press-loading device, and described workbench 1 arranges bearing righting guide-localization mechanism.
Described bearing righting guide-localization mechanism comprises setting fairlead 6 on the table and is positioned at the fairlead guide head 11 coaxial with the expansion link of press-loading device, and described guide head is connected by elastic mechanism with clamp body.
Described elastic mechanism comprises the guide post that is arranged under guide head and the spring 2 under being positioned at guide post 3 or cylinder, and spring plays the effect of support guide bar and guide head.
Described guide head and bearing shaft are slidably matched, and guide head plays as bearing shaft guide effect, prevents the effect that bearing shaft tilts.
Described press-loading device comprises and is arranged on press-fiting cylinder 9 and being arranged under top board 10 and press-fits the Telescopic-cylinder rod end pressure head 8 coaxial with guide head.
Be provided with the groove holding bearing shaft in described pressure head 8, annular lug and the bearing outer ring of all sides of pressure head match.
Silicagel pad 4 is provided with between described clamp body and workbench.
Groove diameter in described guide head and the shaft diameter of bearing match, and bearing shaft enters in guide head, play the effect of bearing shaft righting.
Described workbench is connected by clamp body alignment pin with clamp body, and clamp body is provided with pump housing alignment pin.
Described clamp body and silicagel pad 4 center are equipped with the through hole passed for guide post.
Limited post is provided with between described expansion link and workbench.
The external diameter of described fairlead 6 upper end is provided with and matches with pump housing endoporus, plays the effect of the righting pump housing.
Described silicagel pad is made up of the raw material of following parts by weight and is prepared from, natural rubber 70 parts, white carbon 12 parts, stearic acid 6 parts, cis-butadiene cement 3 parts, hollow glass microbead 12 parts, asbestos fibre 18 parts, aromatic naphtha 8 parts, vulcanizing agent 10 parts.
Embodiment 3:
As shown in Figure 1, a kind of engine cooling water pump shaft connecting bearing assembling device, comprises workbench 1, and described workbench 1 is provided with clamp body 5, and described clamp body 5 is provided with press-loading device, and described workbench 1 arranges bearing righting guide-localization mechanism.
Described bearing righting guide-localization mechanism comprises setting fairlead 6 on the table and is positioned at the fairlead guide head 11 coaxial with the expansion link of press-loading device, and described guide head is connected by elastic mechanism with clamp body.
Described elastic mechanism comprises the guide post that is arranged under guide head and the spring 2 under being positioned at guide post 3 or cylinder, and spring plays the effect of support guide bar and guide head.
Described guide head and bearing shaft are slidably matched, and guide head plays as bearing shaft guide effect, prevents the effect that bearing shaft tilts.
Described press-loading device comprises and is arranged on press-fiting cylinder 9 and being arranged under top board 10 and press-fits the Telescopic-cylinder rod end pressure head 8 coaxial with guide head.
Be provided with the groove holding bearing shaft in described pressure head 8, annular lug and the bearing outer ring of all sides of pressure head match.
Silicagel pad 4 is provided with between described clamp body and workbench.
Groove diameter in described guide head and the shaft diameter of bearing match, and bearing shaft enters in guide head, play the effect of bearing shaft righting.
Described workbench is connected by clamp body alignment pin with clamp body, and clamp body is provided with pump housing alignment pin.
Described clamp body and silicagel pad 4 center are equipped with the through hole passed for guide post.
Limited post is provided with between described expansion link and workbench.
Described fairlead 6 is provided with the limited block preventing guide head from skidding off.
The external diameter of described fairlead 6 upper end is provided with and matches with pump housing endoporus, plays the effect of the righting pump housing.
Described silicagel pad is made up of the raw material of following parts by weight and is prepared from, natural rubber 55 parts, white carbon 10 parts, stearic acid 5 parts, cis-butadiene cement 2.5 parts, hollow glass microbead 9 parts, asbestos fibre 14 parts, aromatic naphtha 6.5 parts, vulcanizing agent 8 parts.
Embodiment 4:
As shown in Figure 1, a kind of engine cooling water pump shaft connecting bearing assembling device, comprises workbench 1, and described workbench 1 is provided with clamp body 5, and described clamp body 5 is provided with press-loading device, and described workbench 1 arranges bearing righting guide-localization mechanism.
Described bearing righting guide-localization mechanism comprises setting fairlead 6 on the table and is positioned at the fairlead guide head 11 coaxial with the expansion link of press-loading device, and described guide head is connected by elastic mechanism with clamp body.
Described elastic mechanism comprises the guide post that is arranged under guide head and the spring 2 under being positioned at guide post 3 or cylinder, and spring plays the effect of support guide bar and guide head.
Described guide head and bearing shaft are slidably matched, and guide head plays as bearing shaft guide effect, prevents the effect that bearing shaft tilts.
Described press-loading device comprises and is arranged on press-fiting cylinder 9 and being arranged under top board 10 and press-fits the Telescopic-cylinder rod end pressure head 8 coaxial with guide head.
Be provided with the groove holding bearing shaft in described pressure head 8, annular lug and the bearing outer ring of all sides of pressure head match.
Silicagel pad 4 is provided with between described clamp body and workbench.
Groove diameter in described guide head and the shaft diameter of bearing match, and bearing shaft enters in guide head, play the effect of bearing shaft righting.
Described workbench is connected by clamp body alignment pin with clamp body, and clamp body is provided with pump housing alignment pin.
Described clamp body and silicagel pad 4 center are equipped with the through hole passed for guide post.
Limited post is provided with between described expansion link and workbench.
Described fairlead 6 is provided with the limited block preventing guide head from skidding off.
The external diameter of described fairlead 6 upper end is provided with and matches with pump housing endoporus, plays the effect of the righting pump housing.
Described silicagel pad is made up of the raw material of following parts by weight and is prepared from, natural rubber 65 parts, white carbon 11 parts, stearic acid 5.5 parts, cis-butadiene cement 2.8 parts, hollow glass microbead 11 parts, asbestos fibre 16 parts, aromatic naphtha 7 parts, vulcanizing agent 9 parts.
A kind of engine cooling water pump shaft connecting bearing assembly method, comprises the following steps,
1) silicagel pad is placed on the table, by clamp body alignment pin, clamp body is installed on the table;
2) be placed on clamp body by the pump housing, fixed by the pump housing, prevent double swerve by pump housing alignment pin, be placed on by shaft connecting bearing on the pump housing, the axle of shaft connecting bearing 7 enters in guide head;
3) press-fit cylinder operation expansion link band dynamic head to move down, pressure head is pressed on the outer ring of shaft connecting bearing, guide head plays guide effect, make expansion link, the axle of guide post and shaft connecting bearing is coaxial, pressure head moves down, while bearing slowly enters the pump housing, guide head also moves down, pressure head continues to move down, shaft connecting bearing is pressed into the pump housing, when being press fit into set depth, limited post plays position-limiting action, prevent from damaging the pump housing by pressure, the key of initial position is, the pump housing is put on clamp body, clamp body supports large of the pump housing, pump housing water seal hole end face does not contact with guide head end face, but have the gap of 0.2 ~ 0.5mm, press-fit in process, move down and bear the increase gradually of pressure assembling force along with bearing, water seal hole end face and the pump housing locating shaft end face of the pump housing are finally fitted, now the gap of initial 0.2 ~ 0.5 is transferred in the silicagel pad below clamp body, form the deflection of rubber, the pump housing is irregular, by adjustment clamp body alignment pin adjustable clamp body, makes it balance the pump housing laying particular stress at initial position,
4) press-fit on cylinder operation band dynamic head and move, take off the pump housing, spring promotes push rod and guide head resets, and shaft connecting bearing press-fits complete.Use the press-loading apparatus 2 hours of embodiment 4 can 456, press-fit yield rate 99.9%.Use the silicon special rubber cushion of invention, wear-resisting service life is long, and test use after 2 years through inventor, silicagel pad deformation quantity is very little, deformation quantity is only less than 0.5%, normally can use, and have not a particle of breakage, and use rubber blanket of the present invention to press-fit yield rate more than 99.9%, if use the silicagel pad of commercial type, press-fit yield rate 98%, and silicagel pad is not durable, needs March to change once.
Claims (10)
1. an engine cooling water pump shaft connecting bearing assembling device, it is characterized in that: comprise workbench, described workbench is provided with clamp body, described clamp body is provided with press-loading device, described workbench arranges bearing righting guide-localization mechanism, described bearing righting guide-localization mechanism comprises setting fairlead on the table and is positioned at the fairlead guide head coaxial with the expansion link of press-loading device, and described guide head is connected by elastic mechanism with clamp body.
2. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 1, is characterized in that: described elastic mechanism comprises and is arranged on the guide post under guide head and the spring under being positioned at guide post.
3. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 2, is characterized in that: described press-loading device comprises setting press-fiting cylinder and being arranged on the pressure head press-fiting Telescopic-cylinder rod end under the top plate.
4. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 3, is characterized in that: be provided with the groove holding bearing shaft in described pressure head, and annular lug and the bearing outer ring of all sides of pressure head match.
5. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 4, is characterized in that: be provided with silicagel pad between described workbench and clamp body.
6. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 5, is characterized in that: the groove diameter in described guide head and the shaft diameter of bearing match.
7. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 6, it is characterized in that: described workbench is connected by clamp body alignment pin with clamp body, clamp body is provided with pump housing alignment pin.
8. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 7, is characterized in that: described clamp body and silicagel pad center are equipped with the through hole passed for guide post; Limited post is provided with between expansion link and workbench.
9. engine cooling water pump shaft connecting bearing assembling device as claimed in claim 1, is characterized in that: described fairlead is provided with the limited block preventing guide head from skidding off.
10. an engine cooling water pump shaft connecting bearing assembly method, is characterized in that: comprise the following steps,
1) silicagel pad is placed on the table, by clamp body alignment pin, clamp body is installed on the table;
2) be placed on clamp body by the pump housing, fixed by the pump housing, prevent double swerve by pump housing alignment pin, be placed on by shaft connecting bearing on the pump housing, the axle of shaft connecting bearing enters in guide head;
3) press-fit cylinder operation expansion link band dynamic head to move down, pressure head is pressed on the outer ring of shaft connecting bearing, guide head plays guide effect, and make the axle of expansion link, guide post and shaft connecting bearing coaxial, pressure head moves down, while bearing slowly enters the pump housing, guide head also moves down, pressure head continues to move down, and shaft connecting bearing is pressed into the pump housing, when being press fit into set depth, limited post plays position-limiting action, prevents from damaging the pump housing by pressure;
4) press-fit on cylinder operation band dynamic head and move, take off the pump housing, spring promotes push rod and guide head resets, and shaft connecting bearing press-fits complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820923.6A CN105436861A (en) | 2015-11-24 | 2015-11-24 | Assembling device and method for shaft connection bearing of engine cooling water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820923.6A CN105436861A (en) | 2015-11-24 | 2015-11-24 | Assembling device and method for shaft connection bearing of engine cooling water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105436861A true CN105436861A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510820923.6A Pending CN105436861A (en) | 2015-11-24 | 2015-11-24 | Assembling device and method for shaft connection bearing of engine cooling water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105436861A (en) |
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| CN113399995A (en) * | 2021-04-27 | 2021-09-17 | 威晟汽车科技(宁波)有限公司 | Assembly equipment of automobile machinery water pump |
| CN114290026A (en) * | 2021-12-13 | 2022-04-08 | 贵州航锐航空精密零部件制造有限公司 | Combined part riveting tool and using method thereof |
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| CN114290026A (en) * | 2021-12-13 | 2022-04-08 | 贵州航锐航空精密零部件制造有限公司 | Combined part riveting tool and using method thereof |
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Application publication date: 20160330 |