CN109202806A - A kind of crankshaft woodruff key press-loading apparatus - Google Patents
A kind of crankshaft woodruff key press-loading apparatus Download PDFInfo
- Publication number
- CN109202806A CN109202806A CN201811424445.7A CN201811424445A CN109202806A CN 109202806 A CN109202806 A CN 109202806A CN 201811424445 A CN201811424445 A CN 201811424445A CN 109202806 A CN109202806 A CN 109202806A
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- CN
- China
- Prior art keywords
- press fitting
- woodruff key
- hole
- crankshaft
- press
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Abstract
The present invention relates to a kind of crankshaft woodruff key press-loading apparatus, including being pressed body, press fitting is equipped with location hole, inner cavity and first through hole in vivo, location hole is used to match with the shaft part with Woodruff key slots and keyways of crankshaft, the side wall of location hole is equipped with the Woodruff key slots and keyways of crankshaft corresponding first woodruff key accommodation groove, the bottom wall of the first woodruff key accommodation groove is run through in one end of first through hole, and the other end of first through hole runs through the cavity wall of inner cavity；Interior intracavitary be rotatably equipped with is pressed shaft, and press fitting shaft is equipped with the first cam；The first mandril is coaxially provided in first through hole, the first mandril is by the rotation of the first cam to realize the axial movement in first through hole.The present invention can be improved the reliability of woodruff key press-loading apparatus.
Description
Technical field
The present invention relates to engine assembly technical fields, and in particular to a kind of crankshaft woodruff key press-loading apparatus.
Background technique
When timing sprocket or machine oil pump sprocket are installed on crankshaft, require through woodruff key to realize connection.
Existing woodruff key is pressed generally by manual, and certain magnitude of interference is needed between woodruff key and crankshaft, to ensure
Woodruff key consolidates, thus needs to carry out woodruff key manual percussion when installing woodruff key, the assembling quality of woodruff key
It not can guarantee.A kind of existing Patent No. CN202639792U, entitled crankshaft conical surface woodruff key press-loading apparatus, will utilize
Woodruff key is pressed into the Woodruff key slots and keyways on crankshaft by the active force of the output shaft of cylinder.Although this press-loading apparatus can replace artificial
The mode of press fitting, but the use of cylinder needs to use fixed gas source, if cylinder is damaged, can not to woodruff key into
Row press fitting；Simultaneously as the stroke of the output shaft of cylinder is controlled, if stroke is too small, woodruff key can not be pressed into
Position, stroke is excessive, then the device itself can be damaged, while woodruff key also has certain damage.Thus, this press-loading apparatus
Reliability it is lower.
Summary of the invention
The purpose of the present invention is to propose to a kind of crankshaft woodruff key press-loading apparatus, to improve the reliable of woodruff key press-loading apparatus
Property.
A kind of crankshaft woodruff key press-loading apparatus of the present invention, including press fitting body, it is described press fitting in vivo be equipped with location hole,
Inner cavity and first through hole, the location hole are used to match with the shaft part with Woodruff key slots and keyways of crankshaft, the location hole
Side wall is equipped with the Woodruff key slots and keyways of crankshaft corresponding first woodruff key accommodation groove, and one end of the first through hole is through described
The bottom wall of first woodruff key accommodation groove, the other end of the first through hole run through the cavity wall of the inner cavity；It is described interior intracavitary to revolve
Turn ground and be equipped with press fitting shaft, the press fitting shaft is equipped with the first cam；The first mandril, institute are coaxially provided in the first through hole
Rotation of first mandril by the first cam is stated to realize the axial movement in the first through hole.
Further, one end of the press fitting shaft runs through the cavity wall of the inner cavity and stretches out the press fitting in vitro, described
The external one end of the press fitting of stretching out for being pressed shaft is equipped with swing handle.
Further, the press fitting is equipped with the second through-hole in vivo, and the side wall of the location hole holds equipped with the second woodruff key
Slot is set, the bottom wall of the second woodruff key accommodation groove is run through in one end of second through-hole, and the other end of second through-hole passes through
The cavity wall of the inner cavity is worn, the second mandril is coaxially provided in second through-hole, the press fitting shaft is equipped with the second cam, institute
Rotation of second mandril by the second cam is stated to realize the axial movement in second through-hole.
Further, the inner cavity is located at the lower section of the location hole, and the axis of the first through hole prolongs in up and down direction
It stretches.
It further, further include pedestal, the press fitting body is mounted on the base, and the pedestal is equipped with and is used to support
The Curved shaft support seat of crankshaft.
Further, the pedestal is equipped with sliding rail, and the sliding rail is parallel to the location hole setting, the press fitting body
Lower part is equipped with the sliding block being slidably matched with the sliding rail.
Further, it is equipped between the press fitting body and the pedestal for locking press fitting body and the bottom described in locking/unlocking
The press fitting station location structure of relative position between seat, when the relative position between the press fitting body and the pedestal is described
When being pressed the locking of station location structure, Woodruff key slots and keyways of the first woodruff key accommodation groove to positive crankshaft.
Further, the pedestal is equipped with for preventing the sliding block to be detached from the stop block structure of the sliding rail.
Further, the cavity wall of the inner cavity is equipped with stretches for described one end equipped with the swing handle for being pressed shaft
Via hole out is fixed with bearing in the via hole, and the press fitting shaft is coaxially fixed in the inner ring of the bearing.
Further, one end far from the swing handle of the press fitting shaft also extends through described in the inner cavity and stretching
Press fitting is external, and the side wall of the press fitting body is equipped with positioning pin, and the end of the positioning pin is in bulb shape, the press fitting shaft
Far from the swing handle and the side wall for being pressed external shaft part is stretched out equipped with the matching ends with the positioning pin
Recessed portion.
The beneficial effects of the present invention are press fitting shaft can drive the first cam to be rotated, the rotation of the first cam
The first mandril may be implemented to be axially moved in first through hole, it, can be by woodruff key by the axial movement of the first mandril
In press fitting to the Woodruff key slots and keyways of crankshaft；And it is located at the first woodruff key accommodation groove and crankshaft Woodruff key slots and keyways pair on the inner wall of location hole
It should be arranged, woodruff key is placed in the first woodruff key accommodation groove, woodruff key can be pressed to crankshaft by the first mandril
In Woodruff key slots and keyways；By the rotation of the first cam so that the first mandril generates axial movement, the stroke of the first mandril is certain, semicircle
The press fitting degree of key is also certain, this makes the reliability of this crankshaft woodruff key press-loading apparatus higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of crankshaft woodruff key press-loading apparatus described in the present embodiment；
Fig. 2 be Fig. 1 in pedestal, press fitting body and Curved shaft support seat structural schematic diagram；
Fig. 3 uses schematic diagram for crankshaft woodruff key press-loading apparatus described in the present embodiment；
Fig. 4 is the AA sectional view of Fig. 3.
In figure: 1-press fitting body, 2-location holes, 3-inner cavities, 4-first through hole, the 5-the first woodruff key accommodation groove, 6-
It is pressed shaft, the 7-the first cam, the 8-the first mandril, 9-swing handles, the 10-the second through-hole, the accommodating of the 11-the second woodruff key
Slot, the 12-the second mandril, the 13-the second cam, 14-pedestals, 15-Curved shaft support seats, 16-sliding rails, 17-sliding blocks, 18-axis
It holds, 19-positioning pins, 20-instruction pins, 21-press fitting position blocks, 22-upper material position blocks, the 23-the first block, the 24-the second block,
25-adjust bolt, 26-stations, 27-crankshafts.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
A kind of crankshaft woodruff key press-loading apparatus as depicted in figs. 1 and 2, including press fitting body 1, press fitting body 1 is interior to be equipped with positioning
Hole 2, inner cavity 3 and first through hole 4, location hole 2 are used to match with the shaft part with Woodruff key slots and keyways of crankshaft, location hole 2
Side wall is equipped with the Woodruff key slots and keyways of crankshaft corresponding first woodruff key accommodation groove 5, and one end of first through hole 4 is through the first half
The bottom wall of round key accommodation groove 5, the other end of first through hole 4 run through the cavity wall of inner cavity 3；Press fitting is rotatably equipped in inner cavity 3 to turn
Axis 6, press fitting shaft 6 are equipped with the first cam 7；The first mandril 8 is coaxially provided in first through hole 4, the first mandril 8 is convex by first
The rotation of wheel 7 is to realize the axial movement in first through hole 4.Press fitting shaft 6 can drive the first cam 7 to be rotated, the
The rotation of one cam 7 may be implemented the first mandril 8 and is axially moved in first through hole 4, be transported by the axial direction of the first mandril 8
It is dynamic, woodruff key can be pressed to the Woodruff key slots and keyways of crankshaft；And it is located at the first woodruff key accommodation groove on the inner wall of location hole 2
5 and crankshaft Woodruff key slots and keyways be correspondingly arranged, woodruff key is placed in the first woodruff key accommodation groove 5, by the first mandril 8 can will
Woodruff key is pressed to the Woodruff key slots and keyways of crankshaft；By the rotation of the first cam 7 so that the first mandril 8 generates axial movement, the
The stroke of one mandril 8 is certain, and the press fitting degree of woodruff key is also certain, this make the reliability of this crankshaft woodruff key press-loading apparatus compared with
It is high.Preferably, location hole 2 can be through-hole and be also possible to blind hole, and in the present embodiment, for the ease of feeding, location hole 2 is set as
Woodruff key is placed into the first woodruff key accommodation groove 5 by through-hole, feeding.Preferably, the press fitting shaft 6 in the present embodiment is parallel
It is arranged in the axis of location hole 2, and the axis of first through hole 4 and the axis of location hole 2 are vertically arranged, in order to make the first cam
The thrust that 7 pair of first mandril 8 generates is converted to the pressure assembling force to woodruff key to the maximum extent, it is easier to be pressed into woodruff key
Position.
Preferably, one end of press fitting shaft 6 is run through the cavity wall of inner cavity 3 and is stretched out outside press fitting body 1, press fitting shaft 6
The one end stretched out outside press fitting body 1 is equipped with swing handle 9.By the setting of swing handle 9, convenient for rotation press fitting shaft 6, convenient for pressure
Dress.
Preferably, the side wall of location hole 2 is equipped with second as shown in figure 4, being equipped with the second through-hole 10 in press fitting body 1
The bottom wall of the second woodruff key accommodation groove 11 is run through in woodruff key accommodation groove 11, one end of the second through-hole 10, the second through-hole 10 it is another
The cavity wall of inner cavity 3 is run through at end, and the second mandril 12 is coaxially provided in the second through-hole 10, and press fitting shaft 6 is equipped with the second cam 13, the
Two mandrils 12 are by the rotation of the second cam 13 to realize the axial movement in the second through-hole 10.It needs to be arranged on the crankshaft of part
Two sprocket wheels, i.e. timing sprocket and machine oil pump sprocket then need to be pressed two woodruff keies；By be arranged the second cam 13, second
Cam 13 makes the second mandril 12 generate axial movement in the second through-hole 10, and the press fitting of another woodruff key may be implemented.Crankshaft
After cooperating with location hole 2, the press fitting of two woodruff keies may be implemented by rotation press fitting shaft 6, be pressed more efficient.
Preferably, inner cavity 3 is located at the lower section of location hole 2, the axis of first through hole 4 extends in up and down direction.Inner cavity 3
Positioned at the lower section of location hole 2, when the protrusion part of the first cam 7 is gradually distance from the first mandril 8, the first mandril 8 can be with
By the downward return of own wt, to empty the first woodruff key accommodation groove 5, to carry out feeding next time.
Preferably, further including pedestal 14, press fitting body 1 is mounted on pedestal 14, and pedestal 14 is equipped with and is used to support song
The Curved shaft support seat 15 of axis.Curved shaft support seat 15 can be supported crankshaft, not need manually when press fitting to crankshaft
It is supported.
Preferably, pedestal 14 is equipped with sliding rail 16, sliding rail 16 is parallel to the setting of location hole 2, and the lower part of press fitting body 1 is set
The sliding block 17 for thering is same sliding rail 16 to be slidably matched.By the setting of sliding rail 16, press fitting body 1 may be implemented and slid along sliding rail 16,
Sliding rail 16 is parallel to the setting of location hole 2, after crankshaft is placed on Curved shaft support seat 15, woodruff key first can be placed into first
In woodruff key accommodation groove 5 and the second woodruff key accommodation groove 11, then slide press fitting body 1 to realize the cooperation of location hole 2 and crankshaft, just
In feeding.
Preferably, being equipped between press fitting body 1 and pedestal 14 for locking between locking/unlocking press fitting body 1 and pedestal 14
The press fitting station location structure of relative position, when the relative position between press fitting body 1 and pedestal 14 is by press fitting station location structure
When locking, Woodruff key slots and keyways of the first woodruff key accommodation groove 5 to positive crankshaft.It, can by being pressed the effect of station location structure
So that the Woodruff key slots and keyways of the opposite crankshaft of the first woodruff key accommodation groove 5 are fixed, it is not susceptible to shift when press fitting, guarantees press fitting
It goes on smoothly.Preferably, to guarantee that press fitting body 1 smoothly slides, the present embodiment is equipped with two parallel sliding rails 16, press fitting body 1
Lower part sets that there are two the sliding blocks 17 being slidably matched respectively with two one slide rails 16；Press fitting station location structure includes being located at press fitting body 1
Bottom instruction pin 20, the instruction pin 20 in up and down direction extend, indicate pin 20 top with press fitting body 1 be connected, instruction
The lower end of pin 20 is in bulb shape, and press fitting station location structure further includes press fitting position block 21, and press fitting position block 21 is located at two sliding rails 16
Between, the upper surface of press fitting position block 21 is equipped with the first strip groove being arranged perpendicular to sliding rail 16；It is sliding on sliding rail 16 to be pressed body 1
Dynamic, after the lower end for indicating pin 20 is embedded in the first strip groove, the first woodruff key accommodation groove 5 and the second woodruff key accommodation groove 11 are just
Good corresponding with two Woodruff key slots and keyways of crankshaft respectively, therefore, the press fitting station location structure of the present embodiment, which also acts as, shows position
Effect；After the end of instruction pin 20 and the first strip groove cooperate, press fitting body 1 can generate certain vibration, prompt crankshaft and determine
The cooperation of position hole 2 in place, can be pressed；Indicate that the end of pin 20 is arranged to bulb shape, convenient for indicating that the head of pin 20 is being pressed
It fills and is slided on the upper surface of position block 20.
Preferably, the side of the separate Curved shaft support seat 15 for being located at press fitting position block 21 of pedestal 14 is equipped with upper material position block 22,
Upper material position block 22 also is located between two sliding rails 16, and the upper surface of upper material position block 22 is equipped with the Article 2 being arranged perpendicular to sliding rail 16
Shape slot can be when feeding by indicating the cooperation of pin 20 and the second strip groove, fixed press fitting body 1, in order to feeding.
Preferably, pedestal 14 is equipped with the stop block structure for being detached from sliding rail 16 for anti-limited slip block 17.Stop block structure packet
Include the second block 24 of the first block 23 being arranged close to one end of sliding rail 16 and the other end setting close to sliding rail 16, first gear
The side wall contact that block 23 passes through and be pressed body 1 skids off sliding rail 16 to prevent limited slip block 17, the second block 24 also by with press fitting body 1
Side wall contact skids off sliding rail 16 to prevent limited slip block 17.Preferably, the side wall opposite with the first block 23 for being pressed body 1, which is equipped with, to be adjusted
Bolt 25 is saved, the axis for adjusting bolt 25 is parallel to the setting of sliding rail 16, and adjusting bolt 25 can screw in or screw out, and passes through tune
The head and the first block 23 for saving bolt 25 are in contact；It is adjustable when the head and first for adjusting bolt 25 to adjust the first bolt
It is pressed the distance of body 1 and the first block 23 when block 23 contacts, is placed on Curved shaft support seat 15 to adjust press fitting 1 distance of body at this time
On crankshaft distance, prevent press fitting body 1 encounter crankshaft.
Preferably, the cavity wall of inner cavity 3 is equipped with the mistake stretched out for one end equipped with swing handle 9 of press fitting shaft 6
Hole, bearing 18 is fixed in via hole, and press fitting shaft 6 is coaxially fixed in the inner ring of bearing 18.Bearing 18 can be such that press fitting turns
Axis 6 is easy to rotate, and improves the efficiency of press fitting.
Preferably, one end of the separate swing handle 9 of press fitting shaft 6 also extends through inner cavity 3 and stretches out outside press fitting body 1,
The side wall for being pressed body 1 is equipped with positioning pin 19, and the end of positioning pin 19 is in bulb shape, be pressed the separate swing handle 9 of shaft 6 and
The side wall of the shaft part stretched out outside press fitting body 1 is equipped with and the recessed portion of the matching ends of positioning pin 19.Pass through positioning pin 19
The positioning of press fitting shaft 6 may be implemented in effect；Preferably, in the present embodiment, the symmetry axis of the first cam 7 and the second cam 13
The angle of symmetry axis be 120 °, when the end of positioning pin 19 and recessed portion cooperate, i.e., press fitting original state when, the first mandril
8 and first the angle of symmetry axis of cam 7 be 60 °, the angle of the symmetry axis of the second mandril 12 and the second cam 13 is 60 °；Pressure
When filling shaft 6 and rotate, the surface of the end of positioning pin 19 and press fitting shaft 6 is slidably matched, but the end of positioning pin 19 and
The surface for being pressed shaft 6 has certain magnitude of interference, when the end and recessed portion that turn to positioning pin 19 match, pressure
Dress shaft 6 can generate certain vibration, prompt to restore to original state described above.
Preferably, the present embodiment further includes station 26, and pedestal 14 is located on station 26, in order to operate.
The embodiment of the present embodiment is that as shown in Figure 3 and Figure 4, progress feeding, sliding press fitting body 1 make to indicate first
Pin 20 and the second strip groove match, at this time be pressed body 1 be located at feeding station, at this time press fitting body 1 be not easy to be slided, position compared with
For fixation, two woodruff keies are respectively put into the first woodruff key accommodation groove and the second woodruff key accommodation groove 11 at this time；It then will be bent
Axis 27 is placed on Curved shaft support seat 15, and feeding stage and crankshaft placement stage can be interchanged sequence and be pressed without influencing；Then
Sliding press fitting body 1, makes crankshaft 27 slowly protrude into location hole 2, and after indicating that pin 20 and the first strip groove cooperate, press fitting body 1 is located at
Be pressed station, two Woodruff key slots and keyways on crankshaft 27 respectively with 11 phase of the first woodruff key accommodation groove 5 and the second woodruff key accommodation groove
It is corresponding；Press fitting shaft 6 is located at original state described above at this time, then rotary motion handle 9, will first be pressed 6 up time of shaft
Needle rotates 60 °, and the bottom of the protrusion part and the first mandril 8 that make the first cam 7 contacts, and makes the first mandril 8 top to highest, makes the
Woodruff key in one woodruff key accommodation groove 5 is pressed to the Woodruff key slots and keyways of crankshaft 27；Then swing handle 9 returns to original state,
Again will 60 ° of the rotation counterclockwise of press fitting shaft 6, the bottom of the protrusion part and the second mandril 12 that make the second cam 13 contacts, and makes the
Highest is arrived on two mandrils 12 top, is pressed the woodruff key in the second woodruff key accommodation groove 11 to another Woodruff key slots and keyways of crankshaft 27
Interior, press fitting is completed；Restore swing handle 9 to original state, then sliding press fitting body 1, is detached from crankshaft 27
Location hole 2 then takes out the crankshaft 27 being pressed.
The beneficial effect of the present embodiment is that press fitting shaft 6 can drive the first cam 7 to be rotated, the first cam 7
Rotation may be implemented the first mandril 8 and is axially moved in first through hole 4, by the axial movement of the first mandril 8, can incite somebody to action
Woodruff key is pressed to the Woodruff key slots and keyways of crankshaft；And it is located at the first woodruff key accommodation groove 5 on the inner wall of location hole 2 and crankshaft half
Round key slot is correspondingly arranged, and woodruff key is placed in the first woodruff key accommodation groove 5, can be by woodruff key pressure by the first mandril 8
It is filled in the Woodruff key slots and keyways of crankshaft；By the rotation of the first cam 7 so that the first mandril 8 generates axial movement, the first mandril 8
Stroke is certain, and the press fitting degree of woodruff key is also certain, this makes the reliability of this crankshaft woodruff key press-loading apparatus higher.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Invention is explained in detail for good embodiment, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered
In scope of the presently claimed invention.
Claims (10)
1. a kind of crankshaft woodruff key press-loading apparatus, which is characterized in that including being pressed body (1), positioning is equipped in the press fitting body (1)
Hole (2), inner cavity (3) and first through hole (4), the location hole (2) are used to match with the shaft part with Woodruff key slots and keyways of crankshaft
It closes, the side wall of the location hole (2) is equipped with the Woodruff key slots and keyways of crankshaft corresponding first woodruff key accommodation groove (5), described
The bottom wall of the first woodruff key accommodation groove (5) is run through in one end of first through hole (4), and the other end of the first through hole (4) passes through
Wear the cavity wall of the inner cavity (3)；It is rotatably equipped with press fitting shaft (6) in the inner cavity (3), is set on the press fitting shaft (6)
There are the first cam (7)；It is coaxially provided with the first mandril (8) in the first through hole (4), first mandril (8) is convex by first
The rotation of (7) is taken turns to realize the axial movement in the first through hole (4).
2. crankshaft woodruff key press-loading apparatus according to claim 1, which is characterized in that the one of press fitting shaft (6)
End runs through the cavity wall of the inner cavity (3) and stretches out the press fitting body (1) outside, the stretching press fitting body of press fitting shaft (6)
(1) one end outside is equipped with swing handle (9).
3. crankshaft woodruff key press-loading apparatus according to claim 1, which is characterized in that be equipped in the press fitting body (1)
The side wall of second through-hole (10), the location hole (2) is equipped with the second woodruff key accommodation groove (11), second through-hole (10)
The bottom wall of the second woodruff key accommodation groove (11) is run through in one end, and the other end of second through-hole (10) runs through the inner cavity
(3) cavity wall, second through-hole (10) is interior to be coaxially provided with the second mandril (12), and it is convex that the press fitting shaft (6) is equipped with second
It takes turns (13), second mandril (12) is by the rotation of the second cam (13) to realize the axial direction in second through-hole (10)
Movement.
4. crankshaft woodruff key press-loading apparatus according to claim 1, which is characterized in that the inner cavity (3) is located at described
The axis of the lower section of location hole (2), the first through hole (4) extends in up and down direction.
5. crankshaft woodruff key press-loading apparatus according to claim 1, which is characterized in that it further include pedestal (14), it is described
Press fitting body (1) is mounted on the pedestal (14), and the pedestal (14) is equipped with the Curved shaft support seat (15) for being used to support crankshaft.
6. crankshaft woodruff key press-loading apparatus according to claim 5, which is characterized in that the pedestal (14), which is equipped with, to be slided
Rail (16), the sliding rail (16) are parallel to the location hole (2) setting, and the lower part of press fitting body (1) is equipped with the sliding rail
(16) sliding block (17) being slidably matched.
7. crankshaft woodruff key press-loading apparatus according to claim 6, which is characterized in that the press fitting body (1) with it is described
The press fitting for locking the relative position between press fitting body (1) and the pedestal (14) described in locking/unlocking is equipped between pedestal (14)
Station location structure is tied when the relative position between press fitting body (1) and the pedestal (14) is positioned by the press fitting station
When structure locks, Woodruff key slots and keyways of the first woodruff key accommodation groove (5) to positive crankshaft.
8. crankshaft woodruff key press-loading apparatus according to claim 6, which is characterized in that the pedestal (14), which is equipped with, to be used
In the stop block structure for preventing the sliding block (17) to be detached from the sliding rail (16).
9. crankshaft woodruff key press-loading apparatus according to claim 1, which is characterized in that in the cavity wall of the inner cavity (3)
Equipped with the via hole that one end equipped with the swing handle (9) for press fitting shaft (6) is stretched out, it is fixed in the via hole
Bearing (18), the press fitting shaft (6) are coaxially fixed in the inner ring of the bearing (18).
10. crankshaft woodruff key press-loading apparatus according to claim 2, which is characterized in that described to be pressed the remote of shaft (6)
One end from the swing handle (9) also extends through the inner cavity (3) and stretches out the press fitting body (1) outside, press fitting body (1)
Side wall is equipped with positioning pin (19), and the end of the positioning pin (19) is in bulb shape, and press fitting shaft (6) turns far from described
Dynamic handle (9) and the side wall for stretching out the shaft part of press fitting body (1) outside are equipped with and the matching ends of the positioning pin (19)
Recessed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424445.7A CN109202806B (en) | 2018-11-27 | 2018-11-27 | Crankshaft semi-circle key press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424445.7A CN109202806B (en) | 2018-11-27 | 2018-11-27 | Crankshaft semi-circle key press-fitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109202806A true CN109202806A (en) | 2019-01-15 |
| CN109202806B CN109202806B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811424445.7A Active CN109202806B (en) | 2018-11-27 | 2018-11-27 | Crankshaft semi-circle key press-fitting device |
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| CN202639792U (en) * | 2012-05-25 | 2013-01-02 | 重庆歇马机械曲轴有限公司 | Press fitting device for woodruff key of crankshaft with conical surface |
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| CN206677877U (en) * | 2017-05-08 | 2017-11-28 | 北京金风科创风电设备有限公司 | Press fit device |
| CN107855962A (en) * | 2017-12-10 | 2018-03-30 | 无锡特恒科技有限公司 | Rollback formula jacks flexibly positioned pin assemblies |
| CN108340144A (en) * | 2018-03-21 | 2018-07-31 | 浙江太阳股份有限公司 | A kind of bent axle woodruff key automatic installation apparatus synchronous with straight pin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109202806B (en) | 2020-05-08 |
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Effective date of registration: 20210425 Address after: 231283 No. 966 Dabie Mountain Road, hi tech Zone, Anhui, Hefei Patentee after: HEFEI CHANGAN AUTOMOBILE Co.,Ltd. Patentee after: Chongqing Changan Automobile Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee before: Chongqing Changan Automobile Co.,Ltd. |