CN107350781A - Hydraulic pump idle gear part pressing component and its pressing method - Google Patents
Hydraulic pump idle gear part pressing component and its pressing method Download PDFInfo
- Publication number
- CN107350781A CN107350781A CN201710797961.3A CN201710797961A CN107350781A CN 107350781 A CN107350781 A CN 107350781A CN 201710797961 A CN201710797961 A CN 201710797961A CN 107350781 A CN107350781 A CN 107350781A
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- face
- setting circle
- idle gear
- bearing
- outer setting
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of hydraulic pump idle gear part pressing component and its pressing method.The hydraulic pump idle gear part pressing component includes：First locating shaft, it is three-level multi-diameter shaft, the cylindrical bearing mounting hole more than idle gear of second end face；First pressure head, it is " several " font, has the 4th end face, interior setting circle, the 5th end face and the 4th outer setting circle；Second locating shaft, it is two level multi-diameter shaft, has first cylindrical, the 3rd end face, the 3rd outer setting circle and the 4th end face, the first cylindrical bearing mounting hole less than idle gear；Second pressure head, it is cylindric；And cushion block, its center is machined with resigning hole, for idle gear shaft of stepping down.The hydraulic pump idle gear part pressing component accurate positioning, it is easy to use, safe and reliable, being capable of convenient, fast, safety, labour-saving press fitting hydraulic pump idle gear, duplex bearing and idle gear shaft.The pressing method by being pressed step by step, in order, it can be ensured that assembling quality.
Description
Technical field
The present invention relates to engine art, more particularly to a kind of hydraulic pump idle gear part pressing component and its press fitting side
Method.
Background technology
Failure is easily burnt to death using single-bearing in use to solve engine hydraulic pump lazy idle gear, passed through
After designer improves, hydraulic pump idle gear uses dual bearing structure, i.e., installs two axles simultaneously in same idle gear hole
Hold, support idle gear shaft to be driven by brearing bore, and spacer ring is provided among two bearings.Structure improve to idle gear,
Bearing, idle gear shaft are pressed with higher requirement, and pressing method is improper will to cause bearing to be damaged in assembling process.
It is not suitable for the assembly method of the hydraulic pump idle gear part of duplex bearing, so, there is an urgent need to design a kind of peace
Complete reliable assembly method, to reduce labor intensity, improve production efficiency, it is ensured that assembling quality.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of simple and reasonable hydraulic pump idle gear part pressing component and its pressure
Dress method, the hydraulic pump idle gear part pressing component accurate positioning is easy to use, safe and reliable, can conveniently, soon
Victory, safety, labour-saving press fitting hydraulic pump idle gear, duplex bearing and idle gear shaft.The pressing method by pressing step by step, in order
Dress, it can be ensured that assembling quality.
To achieve the above object, the invention provides a kind of hydraulic pump idle gear part pressing component to include：First positioning
Axle, it is three-level multi-diameter shaft, has first end face, the first outer setting circle, second end face, the second outer setting circle and the deep step of limit
Face, the second outer setting circle and the first outer setting circle are coaxial, the first outer setting circle, the second outer setting circle respectively with it is described
First end face, second end face, the deep step surface of limit are vertical, the cylindrical bearing mounting hole more than idle gear of the second end face；The
One pressure head, it is " several " font, has the 4th end face, interior setting circle, the 5th end face and the 4th outer setting circle, the 5th end face
Centre be machined with interior setting circle and the 4th outer setting circle, the interior setting circle and the 4th outer setting circle are coaxial, the 4th end
Face is parallel with the 5th end face；Second locating shaft, it is two level multi-diameter shaft, has first cylindrical, the 3rd end face, the 3rd outer setting circle
With the 4th end face, the 3rd end face is parallel with the 4th end face, and the 3rd outer setting circle hangs down with the 3rd end face, the 4th end face
Directly, the described first cylindrical bearing mounting hole less than idle gear；Second pressure head, it is cylindric, with positioned at the 6th of both ends
End face and the 7th end face, the 6th end face are parallel with the 7th end face；And cushion block, its center is machined with resigning hole, for allowing
Position idle gear shaft.
Preferably, in above-mentioned technical proposal, steam vent is machined among the 4th end face of the first pressure head.
Preferably, in above-mentioned technical proposal, the first outer setting circle of the first locating shaft, the 3rd of the second locating shaft the position outside
The interior setting circle of circle and clutch shaft bearing, the endoporus of second bearing and the first pressure head, which coordinates, to be positioned；Outside the 4th of first pressure head
Setting circle, the bearing mounting hole of the first of the second locating shaft the outer setting circle and idle gear coordinate positioning.
To achieve the above object, the invention provides a kind of pressing method of hydraulic pump idle gear part pressing component, its
It is characterised by, comprises the following steps：The first step, first the first locating shaft is placed on press fitting machine worktable, clutch shaft bearing is packed into
First outer setting circle of the first locating shaft, the idle gear set for installing back-up ring is put on clutch shaft bearing, by the big end of the first pressure head
Interior setting circle, the 4th outer setting circle cover the bearing mounting hole for the first outer setting circle and idle gear for being put into the first locating shaft respectively,
Start hydraulic press clutch shaft bearing is press-fit into place, and bearing compression distance limitation is carried out by limiting deep step surface, remove the first pressure
Head；Second step, spacer ring and second bearing are covered to the first outer setting circle for being put into the first locating shaft in order, by the first pressure head
Setting circle set is put into the first outer setting circle of the first locating shaft, starts hydraulic press and second bearing is press-fit into place, remove the first pressure
Head, check that spacer ring loosens without radial direction；3rd step, radially loosened as spacer ring has, the second locating shaft is first placed on press fitting machine worktable
On, the clutch shaft bearing for being attached to idle gear, second bearing set are put into the 3rd outer setting circle of the second locating shaft, by the first pressure head
Interior setting circle set be put into the 3rd outer setting circle of the second locating shaft, start hydraulic press and be pressed two bearings again, remove first
Pressure head and the second locating shaft；4th step, cushion block is placed on press fitting machine worktable, idle gear axle sleeve is put on cushion block, by
The first axle bearing sleeve for being attached to idle gear is put on idle gear shaft, and the 6th end face of the second pressure head or the 7th end face are put into the second axle
Hold on outer face, start hydraulic press and idle gear shaft is pressed the clutch shaft bearing into idle gear, in second bearing, remove the second pressure head
And cushion block, complete press fitting.
Compared with prior art, the present invention has the advantages that：The hydraulic pump idle gear part pressing component positions
Accurately, it is easy to use, safe and reliable, can convenient, fast, safety, labour-saving press fitting hydraulic pump idle gear, duplex bearing and
Idle gear shaft.The pressing method by being pressed step by step, in order, it can be ensured that assembling quality.
Brief description of the drawings
Fig. 1 is the first positioning axis structure schematic diagram of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 2 is the partial enlargement structural representation of the first locating shaft of the hydraulic pump idle gear part pressing component of the present invention
Figure.
Fig. 3 is the first pressure head structure schematic diagram of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 4 is the second positioning axis structure schematic diagram of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 5 is the second pressure head structure schematic diagram of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 6 is the cushion block structure schematic diagram of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 7 is the first step schematic diagram of the pressing method of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 8 is the second step schematic diagram of the pressing method of the hydraulic pump idle gear part pressing component of the present invention.
Fig. 9 is the 3rd step schematic diagram of the pressing method of the hydraulic pump idle gear part pressing component of the present invention.
Figure 10 is the 4th step schematic diagram of the pressing method of the hydraulic pump idle gear part pressing component of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figures 1 to 6, specifically wrapped according to the hydraulic pump idle gear part pressing component of the specific embodiment of the invention
Include：First locating shaft 1, the first pressure head 2, the second locating shaft 3, the second pressure head 4 and cushion block 5.Wherein, the first of the first locating shaft 1
The 3rd outer setting circle 13 and clutch shaft bearing 25, the endoporus of second bearing 30 and the first pressure head 2 of outer setting circle 8, the second locating shaft 3
Interior setting circle 17 coordinate positioning, the 4th outer setting circle 19 of the first pressure head 2, the first of the second locating shaft 3 the outer setting circle 11 and
The bearing mounting hole 28 of idle gear 27 coordinates positioning, the resigning idle gear shaft 31 of resigning hole 23 of the centre of cushion block 5.Pass through the first positioning
Axle 1 positions clutch shaft bearing 25, spacer ring 29, second bearing 30, the first pressure head 2 positioning idle gear 27, by clutch shaft bearing 25, spacer ring
29th, second bearing 30 is pressed into idle gear 27, and idle gear shaft 31 is pressed into idle gear 27 by cushion block 5, the second pressure head 4
In clutch shaft bearing 25, second bearing 30.
Specifically, as depicted in figs. 1 and 2, the first locating shaft 1 is three-level multi-diameter shaft, is had outside first end face 7, first
Setting circle 8, second end face 9, the second outer setting circle 10 and the deep step surface 6 of limit, limit the second outer setting circle 10 at deep step surface 6 and
The outer setting circle 8 of small end first is coaxial, the first outer setting circle 8, the second outer setting circle 10 first end face with the first locating shaft 1 respectively
7th, second end face 9, the deep step surface 6 of limit are vertical, the cylindrical bearing mounting hole more than idle gear 27 of second end face 9.
As shown in figure 3, the first pressure head 2 is " several " font, there is the 4th end face 15, interior setting circle 17, the and of the 5th end face 18
4th outer setting circle 19, the 4th end face 15 (top surface) is middle to be machined with steam vent 16, is machined among the 5th end face 18 (bottom surface)
Interior 17 and the 4th outer setting circle 19 of setting circle, wherein, interior setting circle 17 and the 4th outer setting circle 19 are coaxial, the 4th end face 15 and
Five end faces 18 are parallel.
As shown in figure 4, the second locating shaft 3 is two level multi-diameter shaft, it is fixed outside the first cylindrical 11, the 3rd end face the 12, the 3rd to have
The end face 14 of circle of position 13 and the 4th, wherein, the 3rd end face 12 is parallel with the 4th end face 14, the 3rd outer end face of setting circle 13 and the 3rd
12nd, the 4th end face 14 is vertical, and first cylindrical 11 is less than the bearing mounting hole 28 of idle gear 27.
As shown in figure 5, the second pressure head 4 is cylindric, it is parallel with the 7th end face 21 positioned at the 6th end face 20 at its both ends.
As shown in fig. 6, the center of cushion block 5 is machined with resigning hole 23, for idle gear shaft 31 of stepping down.
As shown in Figure 7 to 10, the pressing method first step, the first locating shaft 1 (end face I is upward) is first placed on pressing machine work
Make on platform, clutch shaft bearing 25 is packed into the first outer setting circle 8 of the first locating shaft 1,27 sets of idle gear for installing back-up ring 26 is put
Onto clutch shaft bearing 25, interior setting circle 17, the 4th outer setting circle 19 that the first pressure head 2 is held greatly cover be put into the first locating shaft respectively
The bearing mounting hole 28 of 1 the first outer setting circle 8 and idle gear 27, start hydraulic press and clutch shaft bearing 25 is press-fit into place, and lead to
Cross and limit the deep progress of step surface 6 bearing compression distance limitation, remove the first pressure head 2；Second step, spacer ring 29 and second bearing 30 are pressed
Order set is put into the first outer setting circle 8 of the first locating shaft 1, and 17 sets of the interior setting circle of the first pressure head 2 is put into the first locating shaft 1
The first outer setting circle 8, start hydraulic press and second bearing 30 be press-fit into place, remove the first pressure head 2, check spacer ring 29 without radially
Loosen；3rd step, radially loosen as spacer ring 29 has, first the second locating shaft 3 (end face III is upward) be placed on press fitting machine worktable,
The clutch shaft bearing 25 for being attached to idle gear, 30 sets of second bearing are put into the 3rd outer setting circle 13 of the second locating shaft 3, by first
17 sets of the interior setting circle of pressure head 2 is put into the 3rd outer setting circle 13 of the second locating shaft 3, starts hydraulic press and is pressed two axles again
Hold, remove the first pressure head 2 and the second locating shaft 3；4th step, cushion block 5 (resigning hole is opening up) is placed on press fitting machine worktable
On, idle gear shaft 31 (small end is down) set is put on cushion block 5,25 sets of clutch shaft bearing for being attached to idle gear 27 is put into lazy tooth
On wheel shaft 31, the 6th end face 20 of the second pressure head 4 or the 7th end face 21 are put on the outer face of second bearing 30, start hydraulic press
Idle gear shaft 31 is pressed the clutch shaft bearing 25 into idle gear 27, in second bearing 30, removes the second pressure head 4 and cushion block 5, is completed
Press fitting.
To sum up, the hydraulic pump idle gear part pressing component accurate positioning, easy to use, safe and reliable, Neng Goufang
Just, fast, safety, labour-saving press fitting hydraulic pump idle gear, duplex bearing and idle gear shaft.The pressing method by substep, by suitable
Sequence is pressed, it can be ensured that assembling quality.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
- A kind of 1. hydraulic pump idle gear part pressing component, it is characterised in that including：First locating shaft, it is three-level multi-diameter shaft, has first end face, the first outer setting circle, second end face, the second outer setting circle With the deep step surface of limit, the second outer setting circle and the first outer setting circle are coaxial, the first outer setting circle, the second outer setting circle It is vertical with the first end face, second end face, the deep step surface of limit respectively, the cylindrical bearing more than idle gear of the second end face Mounting hole；First pressure head, it is " several " font, has the 4th end face, interior setting circle, the 5th end face and a 4th outer setting circle, described The centre of five end faces is machined with interior setting circle and the 4th outer setting circle, and the interior setting circle and the 4th outer setting circle are coaxial, described 4th end face is parallel with the 5th end face；Second locating shaft, it is two level multi-diameter shaft, has first cylindrical, the 3rd end face, the 3rd outer setting circle and the 4th end face, institute It is parallel with the 4th end face to state the 3rd end face, the 3rd outer setting circle is vertical with the 3rd end face, the 4th end face, and described first is cylindrical Less than the bearing mounting hole of idle gear；Second pressure head, it is cylindric, with the 6th end face and the 7th end face for being located at both ends, the 6th end face and the 7th end Face is parallel；AndCushion block, its center is machined with resigning hole, for idle gear shaft of stepping down.
- 2. hydraulic pump idle gear part pressing component according to claim 1, it is characterised in that the of first pressure head Steam vent is machined among four end faces.
- 3. hydraulic pump idle gear part pressing component according to claim 1, it is characterised in that first locating shaft First outer setting circle, the second locating shaft the 3rd outer setting circle and clutch shaft bearing, the endoporus of second bearing and the first pressure head it is interior Setting circle coordinates positioning；4th outer setting circle of first pressure head, the first of the second locating shaft outer setting circle and idle gear Bearing mounting hole coordinates positioning.
- A kind of 4. pressing method of hydraulic pump idle gear part pressing component as claimed in claim 1, it is characterised in that including Following steps：The first step, first the first locating shaft is placed on press fitting machine worktable, clutch shaft bearing packed into outside the first of the first locating shaft Setting circle, the idle gear set for installing back-up ring is put on clutch shaft bearing, will be positioned outside the interior setting circle at the big end of the first pressure head, the 4th Circle covers the bearing mounting hole for the first outer setting circle and idle gear for being put into the first locating shaft respectively, starts hydraulic press by clutch shaft bearing It is press-fit into place, and bearing compression distance limitation is carried out by limiting deep step surface, removes the first pressure head；Second step, spacer ring and second bearing are covered to the first outer setting circle for being put into the first locating shaft in order, by the first pressure head Interior setting circle set is put into the first outer setting circle of the first locating shaft, starts hydraulic press and second bearing is press-fit into place, remove first Pressure head, check that spacer ring loosens without radial direction；3rd step, radially loosened as spacer ring has, first the second locating shaft is placed on press fitting machine worktable, idle gear will be attached to Clutch shaft bearing, second bearing set are put into the 3rd outer setting circle of the second locating shaft, and the interior setting circle set of the first pressure head is put into 3rd outer setting circle of two locating shafts, start hydraulic press and be pressed two bearings again, remove the first pressure head and the second locating shaft；4th step, cushion block is placed on press fitting machine worktable, idle gear axle sleeve is put on cushion block, the of idle gear will be attached to One bearing holder (housing, cover) is put on idle gear shaft, and the 6th end face of the second pressure head or the 7th end face are put on second bearing outer face, opened Idle gear shaft is pressed the clutch shaft bearing into idle gear, in second bearing by hydrodynamic press, removes the second pressure head and cushion block, completes pressure Dress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797961.3A CN107350781B (en) | 2017-09-06 | 2017-09-06 | Press-fitting assembly and press-fitting method for idle gear component of hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797961.3A CN107350781B (en) | 2017-09-06 | 2017-09-06 | Press-fitting assembly and press-fitting method for idle gear component of hydraulic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107350781A true CN107350781A (en) | 2017-11-17 |
| CN107350781B CN107350781B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797961.3A Active CN107350781B (en) | 2017-09-06 | 2017-09-06 | Press-fitting assembly and press-fitting method for idle gear component of hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107350781B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317948A (en) * | 2018-12-12 | 2019-02-12 | 无锡永凯达齿轮有限公司 | Balance shaft idle pulley is pressed special plane |
| CN109352309A (en) * | 2018-12-11 | 2019-02-19 | 广西玉柴机器股份有限公司 | A kind of engine rotation gear bush press-fitting tool |
| CN109940365A (en) * | 2019-03-27 | 2019-06-28 | 燕山大学 | A kind of air heave type bearing press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109352309A (en) * | 2018-12-11 | 2019-02-19 | 广西玉柴机器股份有限公司 | A kind of engine rotation gear bush press-fitting tool |
| CN109352309B (en) * | 2018-12-11 | 2023-12-29 | 广西玉柴机器股份有限公司 | Press-fitting tool for rotating gear shaft sleeve of engine |
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| CN109940365A (en) * | 2019-03-27 | 2019-06-28 | 燕山大学 | A kind of air heave type bearing press |
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|---|---|
| CN107350781B (en) | 2022-02-01 |
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