CN107263385A - A kind of drawing type installs the device of interference fit bearing pin and its method for installing interference fit bearing pin - Google Patents
A kind of drawing type installs the device of interference fit bearing pin and its method for installing interference fit bearing pin Download PDFInfo
- Publication number
- CN107263385A CN107263385A CN201710524613.9A CN201710524613A CN107263385A CN 107263385 A CN107263385 A CN 107263385A CN 201710524613 A CN201710524613 A CN 201710524613A CN 107263385 A CN107263385 A CN 107263385A
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- China
- Prior art keywords
- bearing pin
- draw bar
- tension rod
- interference fit
- jack
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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
A kind of drawing type installs the device of interference fit bearing pin, including：Draw bar, tension rod, jack and nut；The described draw bar band conical surface；Described tension rod includes tension rod I or tension rod II, tension rod II is the threaded screw rod of a total length, under tension rod I is an elongated round bar, working condition, the big end of draw bar is connected with bearing pin, and the screwed hole at draw bar small end center is connected with the connection screw thread end of tension rod II or tension rod I；Tension rod makes the conical surface of draw bar be caught in the mounting hole of fork ear through fork ear, the mounting hole of bearing pin；Tension rod passes through jack, is connected by the tensioning end of thread of tension rod II or tension rod I with nut, and the bottom of jack is pressed on fork ear.The device is by draw bar, tension rod and jack, and low speed steadily installs the bearing pin of interference fit, and its is simple and reliable for structure, and installation accuracy is high, and installation method is easy；Being particularly suitable for use in needs the installation that the interference fit bearing pin of high-altitude assembling is carried out in engineering site.
Description
Technical field
The present invention relates to a kind of construction servicing unit, particularly a kind of drawing type installs the device of interference fit bearing pin
And its method for installing interference fit bearing pin.
Background technology
Installing the method for interference fit bearing pin at present mainly has：Artificial hammering method, forcing press plunging, hot charge practice and cold charge
Method.Artificial hammering method operation is relatively rough, and impact is big, and hammering can part of damage surface quality；Forcing press plunging improves
The deficiency of artificial hammering method, but process of press in, without traction guiding mechanism, installation accuracy is not high, while to workpiece hole and hole
Centering secondary requirements are higher；Hot charge practice and cold charge require higher to environment temperature and use condition, are made troubles to installation.For
Overcome the shortcomings of above method, occur in that such as patent " ZL 200820158285.1 is used for the installation tool being interference fitted " institute
The installation method stated, but this method carries out power transmission installation by helicitic texture, it is low to there is installation effectiveness, installs laborious, especially
It is when the magnitude of interference is larger, it may be difficult to install.
The content of the invention
It is an object of the invention to provide the device that a kind of drawing type installs interference fit bearing pin, the apparatus structure is simple,
It is light, installation difficulty is greatly reduced, installation effectiveness, installation accuracy and installation quality is improved, the needs that are particularly suitable for use in are in work
Journey scene carries out the installation of the interference fit bearing pin of high-altitude assembling, and interference fit pin is installed invention also provides the drawing type
The device of axle is used for the method for installing interference fit bearing pin.
The technical scheme solved the above problems is：A kind of drawing type installs the device of interference fit bearing pin, drawing type peace
The device of dress interference fit bearing pin includes：Draw bar, tension rod, jack and nut；
The described draw bar band conical surface；
Described tension rod includes tension rod I or tension rod II, and tension rod II is the threaded screw rod of a total length, and tension rod I is
One elongated round bar, round bar one end is that to be provided with externally threaded connection screw thread end, centre be the body of rod, and the other end of round bar is to be provided with outer spiral shell
The tensioning end of thread of line；
Under working condition, the big end of draw bar is connected with bearing pin, screwed hole and tension rod II or the tensioning at draw bar small end center
The connection screw thread end connection of bar I；Tension rod makes the conical surface of draw bar be caught in the installation of fork ear through fork ear, the mounting hole of bearing pin
On aperture；Tension rod passes through jack, is connected by the tensioning end of thread of tension rod II or tension rod I with nut, jack
Bottom is pressed on fork ear.
The further technical scheme that a kind of described drawing type installs the device of interference fit bearing pin is：It also includes one
Screw rod, described draw bar is the draw bar I that its large end face center carries screwed hole, under working condition, and one end of screw rod is with leading
Draw the screwed hole connection at the large end face center of bar I, the other end of screw rod is connected with bearing pin by the screwed hole on bearing pin.
A kind of described drawing type install the device of interference fit bearing pin further technical scheme or：Described traction
Under bar be its large end face center draw bar II with raised connection screw thread, working condition, cardiac prominence in the large end face of draw bar II
The connection screw thread risen is connected with bearing pin by the screwed hole on bearing pin.
The further technical scheme that a kind of described drawing type installs the device of interference fit bearing pin is：It also includes one
Under individual spike, working condition, tension rod passes through spike, jack, passes through tension rod II or the tensioning end of thread and spiral shell of tension rod I
Mother's connection, makes spike bottom be pressed on fork ear, the bottom of jack is pressed on spike.
Related another technical scheme is：A kind of method for installing interference fit bearing pin, it is above-mentioned using the present invention
The device that drawing type installs interference fit bearing pin realizes the method for installing interference fit bearing pin, comprises the following steps：
Prepare before A, installation：
A1, small end one screwed hole of processing in bearing pin；
A2, installation《Drawing type installs the device of interference fit bearing pin》：
The big end of draw bar is connected with bearing pin, the connection of the screwed hole and tension rod II or tension rod I at draw bar small end center
The end of thread is connected；Tension rod makes the conical surface of draw bar be caught in the mounting hole of fork ear through fork ear, the mounting hole of bearing pin；
Pull bar passes through jack, is connected by the tensioning end of thread of tension rod II or tension rod I with nut, the bottom of jack is pressed in fork
On ear；
B, pretension：
Certain pretightning force is applied to jack, the mounting hole for adjusting draw bar, tension rod, jack and fork ear and bearing pin is coaxial；
C, drawing：
Jack is applied the pulling capacity needed is installed, transmitted by the tensioning end of thread of nut and tension rod II or tension rod I
The screwed hole transmission at pulling capacity is passed through tension rod II or tension rod I to tension rod, tension rod connection screw thread end and draw bar
To draw bar, pulling capacity is passed to bearing pin by draw bar, by the elongation of jack piston so as to pull bearing pin to move forward, directly
Extremely bearing pin is installed in place；
D, unload and take《Drawing type installs the device of interference fit bearing pin》：
Jack lays down stretching force, and piston is retracted, and removes nut, jack, by the knob hole of draw bar, draw bar from pin
Axle is removed, and completes to install.
A kind of further technical scheme of the method for described installation interference fit bearing pin is：The drawing type peace that it is utilized
The device of dress interference fit bearing pin also includes a screw rod, and described draw bar is the traction that its large end face center carries screwed hole
Bar I；In step A1, install《Drawing type installs the device of interference fit bearing pin》Step, the big end of draw bar is connected with bearing pin
It is that, by the way that one end of screw rod is connected with the screwed hole at the large end face center of draw bar I, the other end and the bearing pin of screw rod pass through pin
Screwed hole connection on axle, so that the big end of draw bar I be connected with bearing pin；
In step C, drawing step, it is that pulling capacity is passed through screwed hole and spiral shell by draw bar I that pulling capacity is passed to bearing pin by draw bar
Bar connection passes to screw rod, and pulling capacity is passed to bearing pin by screw rod by being connected with bearing pin.
A kind of further technical scheme of the method for described installation interference fit bearing pin or：The drawing type that it is utilized
The draw bar for installing the device of interference fit bearing pin is draw bar II of the large end face center with raised connection screw thread, in step
A1, installation《Drawing type installs the device of interference fit bearing pin》Step, it is by that will lead that the big end of draw bar is connected with bearing pin
The connection screw thread for drawing the large end face central protuberance of bar II is connected with bearing pin by the screwed hole on bearing pin.
A kind of further technical scheme of the method for described installation interference fit bearing pin is：The drawing type that it is utilized
Installing the device of interference fit bearing pin also includes a spike, in A1, installs《Drawing type installs the device of interference fit bearing pin》
Step, is that tension rod is passed through into spike, jack, is connected by the tensioning end of thread with nut, spike bottom is pressed on fork ear,
The bottom of jack is pressed on spike；
In step D, unload and take《Drawing type installs the device of interference fit bearing pin》Step, is that jack is laid down into stretching force, piston
Retract, remove nut, jack, spike, by draw bar I or the knob hole of draw bar II, screw rod and draw bar I or lead
Draw bar II to remove from bearing pin, complete to install.
Due to using above-mentioned technical proposal, a kind of drawing type of the present invention is installed the device of interference fit bearing pin and its is used for
The method for installing interference fit bearing pin has the characteristics that and beneficial effect：
1st, the device for installing interference fit bearing pin using drawing type of the present invention realizes that drawing type installs interference fit bearing pin, makes pin
Axle, fork ear mounting hole, bearing pin mounting hole are more uniformly stressed；
2nd, drawing type of the present invention install the device of interference fit bearing pin the draw bar with the conical surface can with adjust automatically centering bearing pin,
Ear mounting hole, otic placode mounting hole are pitched, the secondary requirements and difficulty of installation are reduced；
3rd, drawing type of the present invention installs the pulling capacity that the device of interference fit bearing pin is installed using jack offer, makes installation process
More steady, by controlling the big I of pulling capacity to ensure the security installed, bearing pins different to the magnitude of interference, which are installed, can provide different
Pulling capacity, the ability installed are high, the efficiency high of installation.
Because a kind of drawing type of the present invention installs the device of interference fit bearing pin and its for installing interference fit bearing pin
Method features described above and advantage, the device that the drawing type of the present invention installs interference fit bearing pin is particularly suitable for use in needs in work
Journey scene carries out the installation of the interference fit bearing pin of high-altitude assembling.
Below, the device and its use of interference fit bearing pin are installed to a kind of drawing type of the present invention in conjunction with the accompanying drawings and embodiments
It is further described in the technical characteristic for the method for installing interference fit bearing pin.
Brief description of the drawings
Fig. 1 is that the drawing type of the embodiment of the present invention one installs the device overall structure diagram of interference fit bearing pin；
Fig. 2~Fig. 3 is that the drawing type of the embodiment of the present invention one installs the device of interference fit bearing pin for installing interference fit pin
The step schematic diagram of the method for axle：
Before Fig. 2 is drawing, after Fig. 3 is drawing；
Fig. 4 is the structural representation of draw bar I；
Fig. 5 is the structural representation of draw bar II；
Fig. 6-1 is the structural representation of tension rod I, and Fig. 6-2 is the structural representation of tension rod II；
Fig. 7 is that the drawing type of the embodiment of the present invention two installs the device overall structure diagram of interference fit bearing pin；
Fig. 8~Fig. 9 is that the drawing type of the embodiment of the present invention two installs the device of interference fit bearing pin for installing interference fit pin
The step schematic diagram of the method for axle：
Before Fig. 8 is drawing, after Fig. 9 is drawing；
Figure 10 is that the drawing type of the embodiment of the present invention three installs the device overall structure diagram of interference fit bearing pin；
Figure 11~Figure 12 is that the drawing type of the embodiment of the present invention three installs the device of interference fit bearing pin for installing interference fit
The step schematic diagram of the method for bearing pin：
Before Figure 11 is drawing, after Figure 12 is drawing；
Figure 13 is that the drawing type of the embodiment of the present invention four installs the device overall structure diagram of interference fit bearing pin；
Figure 14~Figure 15 is that the drawing type of the embodiment of the present invention four installs the device of interference fit bearing pin for installing interference fit
The step schematic diagram of the method for bearing pin：
Before Figure 14 is drawing, after Figure 15 is drawing.
In figure：
1- screw rods, 21- draw bars I, the screwed hole at the large end face center of 211- draw bars I,
The conical surface of 212- draw bars I, the knob hole of 213- draw bars I, the screwed hole of the small end of 214- draw bars I；
22- draw bars II, the connection screw thread of the large end face central protuberance of 221- draw bars II；
The conical surface of 222- draw bars II；The knob hole of 223- draw bars II；The screwed hole of the small end of 224- draw bars II；
3- tension rods, 3a- tension rods I, 3b- tension rods II；
31- connection screw threads end, the body of rod of 32- tension rods I, the 33- tensioning ends of thread；
4- spikes, 5- jack, 6- nuts；
7- bearing pins, 8- fork ears, 9- otic placodes.
Embodiment
A kind of drawing type installs the device of interference fit bearing pin, and the device that the drawing type installs interference fit bearing pin is at least wrapped
Include：Draw bar, tension rod, jack 5 and nut 6；
The described draw bar band conical surface（Referring to Fig. 4, Fig. 5）；
Described tension rod includes the 3a of the tension rod I or 3b of tension rod II, and the 3a of tension rod I is an elongated round bar, and round bar one end is out
It is the body of rod 32 to have externally threaded connection screw thread end 31, centre, and the other end of round bar is to be provided with the externally threaded tensioning end of thread 33（Ginseng
See Fig. 6-1）；
The 3b of tension rod II is the threaded screw rod of total length, and two ends are respectively connection screw thread end 31, the tensioning end of thread 33；（Referring to figure
6-2）；
Under working condition, the big end of draw bar is connected with bearing pin, the screwed hole at draw bar small end center and the 3b of tension rod II or
The 3a of pull bar I connection screw thread end 31 is connected；Tension rod makes the conical surface of draw bar be caught in fork ear through fork ear, the mounting hole of bearing pin
Mounting hole on；Tension rod passes through jack 5, passes through the 3b of the tension rod II or 3a of tension rod I the tensioning end of thread 33 and nut
Connection, the bottom of jack 5 is pressed on fork ear.
The method that the device that above-mentioned drawing type is installed into interference fit bearing pin is interference fitted bearing pin for installation, including with
Lower step：
Prepare before A, installation：
A1, small end one screwed hole of processing in bearing pin；
A2, installation《Drawing type installs the device of interference fit bearing pin》：
The big end of draw bar is connected with bearing pin, the screwed hole at draw bar small end center is with the 3b's of the tension rod II or 3a of tension rod I
Connection screw thread end 31 is connected；Tension rod makes the conical surface of draw bar be caught in the mounting hole of fork ear through fork ear, the mounting hole of bearing pin
On；Tension rod passes through jack 5, is connected by the 3b of tension rod II or the 3a of tension rod I the tensioning end of thread 33 with nut, jack
5 bottom is pressed on fork ear；
B, pretension：
Apply certain pretightning force to jack 5, the mounting hole for adjusting draw bar, tension rod 3, jack 5 and fork ear and bearing pin is same
Axle；
C, drawing：
Jack 5 is applied the pulling capacity needed is installed, pass through nut 6 and the 3b of the tension rod II or 3a of tension rod I tensioning screw thread
End 33 passes to tension rod, connection screw thread end 31 and traction of the tension rod pulling capacity by the 3b of tension rod II or the 3a of tension rod I
The screwed hole of bar passes to draw bar, and pulling capacity is passed to bearing pin by draw bar, by the elongation of the piston of jack 5 so as to pull
Bearing pin is moved forward, until bearing pin is installed in place；
D, unload and take《Drawing type installs the device of interference fit bearing pin》：
Jack 5 lays down stretching force, and piston is retracted, and nut 6, jack 5 is removed, by the knob hole of draw bar, draw bar
Removed from bearing pin, complete to install.
It is different from the connected mode for pitching ear according to the structure and jack of draw bar, there is following different embodiment.
Embodiment one：
A kind of drawing type installs the device A of interference fit bearing pin and its method for installing interference fit bearing pin：
As shown in figure 1, the basic structure that the drawing type installs the device A of interference fit bearing pin include draw bar, it is tension rod, very heavy
Top 5 and nut 6, it also includes a screw rod 1；
Described draw bar is the draw bar I 21 (referring to Fig. 4) that its large end face center carries screwed hole 211, under working condition, spiral shell
One end of bar 1 is connected with the screwed hole 211 at the large end face center of draw bar I 21, and the other end and the bearing pin 7 of screw rod 1 pass through bearing pin 7
On screwed hole connection；The connection screw thread end 31 of the screwed hole at draw bar small end center and the 3b of tension rod II or the 3a of tension rod I connects
Connect；Tension rod makes the conical surface of draw bar be caught in the mounting hole of fork ear through fork ear, the mounting hole of bearing pin；Tension rod is passed through
Jack 5, is connected by the 3b of tension rod II or the 3a of tension rod I the tensioning end of thread 33 with nut, and the bottom of jack 5 is pressed in fork
On ear；（Referring to Fig. 2）.
The device A that drawing type is installed into interference fit bearing pin is used for the basic step of the method for installation interference fit bearing pin such as
It is upper described, it is with basic step difference：
In step A1, install《Drawing type installs the device of interference fit bearing pin》Step, the big end of draw bar 2 is connected with bearing pin
It is by the way that one end of screw rod 1 is connected with the screwed hole 211 at the large end face center of draw bar I 21, before connection, first to screwed hole 21
A small amount of epoxy is added, the other end of screw rod 1 is connected with bearing pin by the screwed hole 71 on bearing pin 7, so that by the big of draw bar I 21
End is connected with bearing pin, and state is referring to Fig. 2 before implementation drawing, and the state after drawing is referring to Fig. 3.
In step C, drawing step, it is that pulling capacity is passed through screw thread by draw bar I 21 that pulling capacity is passed to bearing pin by draw bar
Hole 211 is connected with screw rod 1 passes to screw rod 1, and pulling capacity is passed to bearing pin by screw rod 1 by being connected with bearing pin.
Embodiment two：
A kind of drawing type installs the device B of interference fit bearing pin：
As shown in fig. 7, its basic structure includes draw bar, tension rod, jack 5 and nut 6；
Described draw bar is draw bar II 22 of its large end face center with raised connection screw thread 221（Referring to Fig. 5）, work
Under state, the connection screw thread 221 of the large end face central protuberance of draw bar II is connected with bearing pin 7 by the screwed hole on bearing pin 7；Traction
The screwed hole at bar small end center is connected with the 3b of tension rod II or the 3a of tension rod I connection screw thread end 31；Tension rod passes through fork ear, pin
The mounting hole of axle, makes the conical surface of draw bar be caught in the mounting hole of fork ear；Tension rod passes through jack 5, passes through tension rod II
3b or the 3a of tension rod I the tensioning end of thread 33 are connected with nut, and the bottom of jack 5 is pressed on fork ear（Referring to Fig. 8）.
The basic step that the device B that drawing type is installed into interference fit bearing pin is used to install the method for interference fit bearing pin is same
On, it is with basic step difference：
In step A1, install《Drawing type installs the device of interference fit bearing pin》Step, the big end of draw bar is connected with bearing pin
It is in step A1, installs《Drawing type installs the device of interference fit bearing pin》Step, the big end of draw bar is connected with bearing pin is
By the way that the connection screw thread 221 of the large end face central protuberance of draw bar II 22 is connected with bearing pin by the screwed hole on bearing pin 7；Implement
State is referring to Fig. 8 before drawing, and the state after drawing is referring to Fig. 9.
Embodiment three：
A kind of drawing type installs the device C of interference fit bearing pin：
As shown in Figure 10, the device C of drawing type installation interference fit bearing pin basic structure be the same as Example one, including screw rod 1,
Draw bar, tension rod 3, jack 5 and nut 6, described draw bar are the draw bars that its large end face center carries screwed hole 211
I 21 (referring to Fig. 4), are with the difference of embodiment one：
It also includes under spike 4, working condition, and tension rod 3 passes through spike 4, jack 5, by the 3b of tension rod II or
The 3a of the pull bar I tensioning end of thread 33 is connected with nut, the bottom of spike 4 is pressed on fork ear, the bottom of jack 5 is pressed in spike 4
On（Referring to Figure 11）.
The device C that drawing type is installed into interference fit bearing pin is used for the basic step of the method for installation interference fit bearing pin such as
Embodiment one, is with the step difference of embodiment one：
In step A1, install《Drawing type installs the device of interference fit bearing pin》A kind of step, drawing type is installed interference and matched somebody with somebody
The device of dowel pin axle also includes a spike 4, in A1, installs《Drawing type installs the device of interference fit bearing pin》Step, be by
Tension rod 3 passes through spike 4, jack 5, is connected, made with nut by the 3b of tension rod II or the 3a of tension rod I the tensioning end of thread 33
The bottom of spike 4 is pressed on fork ear, and the bottom of jack 5 is pressed on spike 4, and state is referring to Figure 11 before implementation drawing, after drawing
State is referring to Figure 12；
In step D, unload and take《Drawing type installs the device of interference fit bearing pin》Step, is that jack 5 is laid down into stretching force, piston
Retract, remove nut 6, jack 5, spike 4, by the knob hole 213 of draw bar I 21, screw rod 1 and draw bar I 21 from pin
Axle is removed, and completes to install.
Example IV：
A kind of drawing type installs the device D of interference fit bearing pin：
As shown in figure 13, the drawing type installs the device D of interference fit bearing pin basic structure be the same as Example two, including traction
Bar, tension rod 3, jack 5 and nut 6, described draw bar are its large end face center leading with raised connection screw thread 221
Draw bar II 22（Referring to Fig. 5）, under working condition, connection screw thread 221 and the bearing pin 7 of the large end face central protuberance of draw bar II pass through pin
Screwed hole connection on axle 7；It is with the difference of embodiment two：
It also includes under spike 4, working condition, and tension rod 3 passes through spike 4, jack 5, by the 3b of tension rod II or
The 3a of the pull bar I tensioning end of thread 33 is connected with nut, the bottom of spike 4 is pressed on fork ear, the bottom of jack 5 is pressed in spike 4
On（Referring to Figure 14）.
The device D that drawing type is installed into interference fit bearing pin is used for the basic step of the method for installation interference fit bearing pin such as
Embodiment two, is with the step difference of embodiment two：
In step A1, install《Drawing type installs the device of interference fit bearing pin》A kind of step, drawing type is installed interference and matched somebody with somebody
The device of dowel pin axle also includes a spike 4, in A1, installs《Drawing type installs the device of interference fit bearing pin》Step, be by
Tension rod 3 passes through spike 4, jack 5, is connected, made with nut by the 3b of tension rod II or the 3a of tension rod I the tensioning end of thread 33
The bottom of spike 4 is pressed on fork ear, and the bottom of jack 5 is pressed on spike 4, and state is referring to Figure 14 before implementation drawing, after drawing
State is referring to Figure 15；
In step D, unload and take《Drawing type installs the device of interference fit bearing pin》Step, is that jack 5 is laid down into stretching force, piston
Retract, remove nut 6, jack 5, spike 4, by the knob hole 223 of draw bar II 22, draw bar II 22 is taken from bearing pin
Under, complete to install.
Claims (8)
1. a kind of drawing type installs the device of interference fit bearing pin, it is characterised in that：The drawing type installs interference fit bearing pin
Device includes：Draw bar, tension rod（3）, jack（5）And nut（6）；
The described draw bar band conical surface；
Described tension rod（3）Including tension rod I（3a）Or tension rod II（3b）, tension rod II（3b）It is that a total length is threaded
Screw rod, tension rod I（3a）It is an elongated round bar, round bar one end is to be provided with externally threaded connection screw thread end（31）, centre be bar
Body（32）, the other end of round bar is to be provided with the externally threaded tensioning end of thread（33）；
Under working condition, the big end of draw bar is connected with bearing pin, screwed hole and the tension rod II at draw bar small end center（3b）Or
Tension rod I（3a）Connection screw thread end（31）Connection；Tension rod（3）Through fork ear, the mounting hole of bearing pin, make the conical surface of draw bar
In the mounting hole for being caught in fork ear；Tension rod（3）Through jack（5）, pass through tension rod II（3b）Or tension rod I（3a）
Internal thread broaching end（33）It is connected with nut, jack（5）Bottom be pressed in fork ear on.
2. a kind of drawing type according to claim 1 installs the device of interference fit bearing pin, it is characterised in that：It also includes
One screw rod（1）, described draw bar is that its large end face center carries screwed hole（211）Draw bar I（21）, working condition
Under, screw rod（1）One end and draw bar I（21）Large end face center screwed hole（211）Connection, screw rod（1）The other end with
Bearing pin（7）Pass through bearing pin（7）On screwed hole connection.
3. a kind of drawing type according to claim 1 installs the device of interference fit bearing pin, it is characterised in that：Described leads
It is connection screw thread of its large end face center with projection to draw bar（221）Draw bar II（22）, under working condition, draw bar II is big
The raised connection screw thread of end face center（221）With bearing pin（7）Pass through bearing pin（7）On screwed hole connection.
4. a kind of drawing type according to Claims 2 or 3 installs the device of interference fit bearing pin, it is characterised in that：It is also
Including a spike（4）, under working condition, tension rod（3）Through spike（4）, jack（5）, pass through tension rod II（3b）Or
Tension rod I（3a）The tensioning end of thread（33）It is connected with nut, makes spike（4）Bottom is pressed on fork ear, jack（5）Bottom
It is pressed in spike（4）On.
5. a kind of method for installing interference fit bearing pin, it is characterised in that it is installed using the drawing type described in claim 1
The device for being interference fitted bearing pin realizes the method for installing interference fit bearing pin, comprises the following steps：
Prepare before A, installation：
A1, small end one screwed hole of processing in bearing pin；
A2, installation《Drawing type installs the device of interference fit bearing pin》：
The big end of draw bar is connected with bearing pin, screwed hole and the tension rod II at draw bar small end center（3b）Or tension rod I
（3a）Connection screw thread end（31）Connection；Tension rod makes the conical surface of draw bar be caught in fork ear through fork ear, the mounting hole of bearing pin
In mounting hole；Tension rod passes through jack（5）, pass through tension rod II（3b）Or tension rod I（3a）The tensioning end of thread（33）
It is connected with nut, jack（5）Bottom be pressed in fork ear on；
B, pretension：
To jack（5）Apply certain pretightning force, adjustment draw bar, tension rod, jack（5）And the mounting hole of fork ear and bearing pin
Coaxially；
C, drawing：
To jack（5）Apply the pulling capacity installed and needed, pass through nut（6）With tension rod II（3b）Or tension rod I（3a）'s
The tensioning end of thread（33）Tension rod is passed to, pulling capacity is passed through tension rod II by tension rod（3b）Or tension rod I（3a）Connection
The end of thread（31）Draw bar is passed to the screwed hole of draw bar, pulling capacity is passed to bearing pin by draw bar, passes through jack（5）
The elongation of piston is so as to pull bearing pin to move forward, until bearing pin is installed in place；
D, unload and take《Drawing type installs the device of interference fit bearing pin》：
Jack（5）Stretching force is laid down, piston is retracted, and removes nut（6）, jack（5）, by the knob hole of draw bar,
Draw bar is removed from bearing pin, completes to install.
6. a kind of method for installing interference fit bearing pin according to claim 5, it is characterised in that it is will using right
The device for asking a kind of drawing type described in 2 to install interference fit bearing pin realizes the method for installing interference fit bearing pin, drawing type peace
The device of dress interference fit bearing pin also includes a screw rod（1）, described draw bar is that its large end face center carries screwed hole
（211）Draw bar I（21）；In step A1, install《Drawing type installs the device of interference fit bearing pin》Step, by draw bar
It is by by screw rod that big end is connected with bearing pin（1）One end and draw bar I（21）Large end face center screwed hole（211）Even
Connect, screw rod（1）The other end and bearing pin pass through bearing pin（7）On screwed hole connection so that by draw bar I（21）Big end and pin
Axle is connected；
In step C, drawing step, it is draw bar I that pulling capacity is passed to bearing pin by draw bar（21）Pulling capacity is passed through screwed hole
（211）With screw rod（1）Connection passes to screw rod（1）, screw rod（1）Pulling capacity is passed to bearing pin by being connected with bearing pin.
7. a kind of method for installing interference fit bearing pin according to claim 5, it is characterised in that it is will using right
The device for asking a kind of drawing type described in 3 to install interference fit bearing pin realizes the method for installing interference fit bearing pin；
Described draw bar is large end face center with raised connection screw thread（221）Draw bar II（22）, in step A1, peace
Dress《Drawing type installs the device of interference fit bearing pin》Step, it is by by draw bar II that the big end of draw bar is connected with bearing pin
（22）The connection screw thread of large end face central protuberance（221）Pass through bearing pin with bearing pin（7）On screwed hole connection.
8. the method that a kind of installation according to claim 6 or 7 is interference fitted bearing pin, it is characterised in that it is exploitation right
Profit requires that a kind of drawing type described in 4 installs the method that the device of interference fit bearing pin realizes installation interference fit bearing pin；
The device that a kind of drawing type installs interference fit bearing pin also includes a spike（4）, in A1, install《Drawing type is pacified
The device of dress interference fit bearing pin》Step, is by tension rod（3）Through spike（4）, jack（5）, pass through the tensioning end of thread
（33）It is connected with nut, makes spike（4）Bottom is pressed on fork ear, jack（5）Bottom be pressed in spike（4）On；
In step D, unload and take《Drawing type installs the device of interference fit bearing pin》Step, is by jack（5）Stretching force is laid down, it is living
Plug is retracted, and removes nut（6）, jack（5）, spike（4）, pass through draw bar I（21）Or draw bar II（22）Knob hole,
Screw rod（1）With draw bar I（21）Or draw bar II（22）Removed from bearing pin, complete to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524613.9A CN107263385A (en) | 2017-06-30 | 2017-06-30 | A kind of drawing type installs the device of interference fit bearing pin and its method for installing interference fit bearing pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524613.9A CN107263385A (en) | 2017-06-30 | 2017-06-30 | A kind of drawing type installs the device of interference fit bearing pin and its method for installing interference fit bearing pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107263385A true CN107263385A (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710524613.9A Withdrawn CN107263385A (en) | 2017-06-30 | 2017-06-30 | A kind of drawing type installs the device of interference fit bearing pin and its method for installing interference fit bearing pin |
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| Country | Link |
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| CN (1) | CN107263385A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108284509A (en) * | 2018-01-17 | 2018-07-17 | 湖北工业大学 | A kind of connection locking device |
| CN112440240A (en) * | 2019-08-27 | 2021-03-05 | 中冶宝钢技术服务有限公司 | Mechanism for installing connecting pin of pinch roll of double-sided shears and using method of mechanism |
| CN113459037A (en) * | 2020-03-31 | 2021-10-01 | 上海烟草集团有限责任公司 | Center pin shaft mounting tool and center pin shaft mounting method |
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| CN207027373U (en) * | 2017-06-30 | 2018-02-23 | 柳州欧维姆机械股份有限公司 | A kind of device of drawing type installation interference fit bearing pin |
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| CN201132260Y (en) * | 2007-12-29 | 2008-10-15 | 中国神华能源股份有限公司 | Pin-removing device |
| CN102152100A (en) * | 2011-04-28 | 2011-08-17 | 长沙中联重工科技发展股份有限公司 | Pull pin device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108284509A (en) * | 2018-01-17 | 2018-07-17 | 湖北工业大学 | A kind of connection locking device |
| CN108284509B (en) * | 2018-01-17 | 2019-11-08 | 湖北工业大学 | A kind of connection locking device |
| CN112440240A (en) * | 2019-08-27 | 2021-03-05 | 中冶宝钢技术服务有限公司 | Mechanism for installing connecting pin of pinch roll of double-sided shears and using method of mechanism |
| CN112440240B (en) * | 2019-08-27 | 2022-06-28 | 中冶宝钢技术服务有限公司 | Mechanism for installing connecting pin of pinch roll of double-sided shears and using method of mechanism |
| CN113459037A (en) * | 2020-03-31 | 2021-10-01 | 上海烟草集团有限责任公司 | Center pin shaft mounting tool and center pin shaft mounting method |
| CN113459037B (en) * | 2020-03-31 | 2023-08-29 | 上海烟草集团有限责任公司 | Mounting tool for center pin shaft and mounting method for center pin shaft |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171020 |
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