CN207027373U - A kind of device of drawing type installation interference fit bearing pin - Google Patents
A kind of device of drawing type installation interference fit bearing pin Download PDFInfo
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- CN207027373U CN207027373U CN201720788682.6U CN201720788682U CN207027373U CN 207027373 U CN207027373 U CN 207027373U CN 201720788682 U CN201720788682 U CN 201720788682U CN 207027373 U CN207027373 U CN 207027373U
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- tension rod
- bearing pin
- draw bar
- interference fit
- jack
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Abstract
A kind of device of drawing type installation 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, and tension rod I is an elongated round bar, under 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 steadily installs the bearing pin of interference fit by draw bar, tension rod and jack, low speed, 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
A kind of construction servicing unit is the utility model is related to, particularly a kind of drawing type installation interference fit bearing pin
Device.
Background technology
The method of installation interference fit bearing pin mainly has at present：Artificial hammering method, forcing press plunging, hot charge practice and cold charge
Method.Manually the operation of hammering method 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 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 installation effectiveness to be present, and installation is laborious, especially
It is when the magnitude of interference is larger, it may be difficult to install.
The content of the invention
The purpose of this utility model is to provide a kind of device of drawing type installation interference fit bearing pin, apparatus structure letter
It is single, light, installation difficulty is greatly reduced, improves installation effectiveness, installation accuracy and installation quality, the needs that are particularly suitable for use in exist
Engineering site carries out the installation of the interference fit bearing pin of high-altitude assembling.
The technical scheme to solve the above problems is：A kind of device of drawing type installation 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, tensioning
Bar I is an elongated round bar, round bar one end be provided with externally threaded connection screw thread end, centre is the body of rod, the other end of round bar is out
There is the externally threaded tensioning end of thread；
Under working condition, the big end of draw bar is connected with bearing pin, the screwed hole at draw bar small end center and tension rod II or
The connection screw thread end connection of tension rod I；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, is connected by the tensioning end of thread of tension rod II or tension rod I with nut, very heavy
The bottom on top is pressed on fork ear.
A kind of further technical scheme of the device of described drawing type installation 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, and under working condition, 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 further technical scheme of the device of described drawing type installation interference fit bearing pin or：Described traction
The bar draw bar II with raised connection screw thread that is its large end face center, under 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.
A kind of further technical scheme of the device of described drawing type installation interference fit bearing pin is：It also includes one
Individual spike, under working condition, tension rod passes through tension rod II or the tensioning end of thread and spiral shell of tension rod I through spike, jack
Mother's connection, spike bottom is set to be pressed on fork ear, the bottom of jack is pressed on spike.
Due to being had using the device of above-mentioned technical proposal, a kind of drawing type installation interference fit bearing pin of the utility model
Following characteristics and beneficial effect：
1st, the device that interference fit bearing pin is installed using the utility model drawing type realizes that drawing type installs interference fit pin
Axle, it is more uniformly stressed bearing pin, fork ear mounting hole, bearing pin mounting hole；
2nd, the draw bar with the conical surface of the device of the utility model drawing type installation interference fit bearing pin can be with adjust automatically
Centering bearing pin, fork ear mounting hole, otic placode mounting hole, reduce the secondary requirements and difficulty of installation；
3rd, the device of the utility model drawing type installation interference fit bearing pin provides the pulling capacity of installation using jack, makes
Installation process is more steady, and by controlling the big I of pulling capacity to ensure the security of installation, the installation of magnitude of interference difference bearing pin can be carried
High, the efficiency high of installation for different pulling capacities, the ability of installation.
Due to the features described above and advantage of a kind of device of drawing type installation interference fit bearing pin of the utility model, this reality
Being particularly suitable for use in the device of new drawing type installation interference fit bearing pin needs the mistake that high-altitude assembling is carried out in engineering site
Be full of coordinate bearing pin installation.
Below, a kind of drawing type installation in conjunction with the accompanying drawings and embodiments to the utility model is interference fitted the device of bearing pin
Technical characteristic is further described.
Brief description of the drawings
Fig. 1 is the device overall structure diagram of the drawing type installation interference fit bearing pin of the utility model embodiment one；
Fig. 2~Fig. 3 is that the device of the drawing type installation interference fit bearing pin of the utility model embodiment one is used to install
Be full of coordinate bearing pin method step schematic diagram：
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 the device overall structure diagram of the drawing type installation interference fit bearing pin of the utility model embodiment two；
Fig. 8~Fig. 9 is that the device of the drawing type installation interference fit bearing pin of the utility model embodiment two is used to install
Be full of coordinate bearing pin method step schematic diagram：
Before Fig. 8 is drawing, after Fig. 9 is drawing；
Figure 10 is the device overall structure diagram of the drawing type installation interference fit bearing pin of the utility model embodiment three；
Figure 11~Figure 12 is that the device of the drawing type installation interference fit bearing pin of the utility model embodiment three is used to install
It is interference fitted the step schematic diagram of the method for bearing pin：
Before Figure 11 is drawing, after Figure 12 is drawing；
Figure 13 is the device overall structure diagram of the drawing type installation interference fit bearing pin of the utility model embodiment four；
Figure 14~Figure 15 is that the device of the drawing type installation interference fit bearing pin of the utility model embodiment four is used to install
It is interference fitted 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 device of drawing type installation interference fit bearing pin, the device of drawing type installation interference fit bearing pin at least wrap
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, round bar one end
Be be provided with externally threaded connection screw thread end 31, centre is the body of rod 32, the other end of round bar is to be provided with the externally threaded tensioning end of thread
33（Referring to Fig. 6-1）；
The 3b of tension rod II is the threaded screw rod of total length,（Referring to Fig. 6-1）；
Under working condition, the big end of draw bar is connected with bearing pin, screwed hole and the 3b of tension rod II at draw bar small end center
Or the 3a of tension rod I connection screw thread end 31 connects；Tension rod is caught in the conical surface of draw bar through fork ear, the mounting hole of bearing pin
In the mounting hole for pitching ear；Tension rod passes through jack 5, by the 3b of tension rod II or the 3a of tension rod I the tensioning end of thread 33 with
Nut is connected, and the bottom of jack 5 is pressed on fork ear.
By method of the device of above-mentioned drawing type installation interference fit bearing pin for installing interference fit bearing pin, including with
Lower step：
A, prepare before installation：
A1, small end one screwed hole of processing in bearing pin；
A2, installation《The device of drawing type installation interference fit bearing pin》：
The big end of draw bar is connected with bearing pin, screwed hole and the 3b of tension rod II or the tension rod I at draw bar small end center
3a connection screw thread end 31 connects；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 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, thousand
The bottom on jin top 5 is pressed on fork ear；
B, pretension：
Apply certain pretightning force, adjustment draw bar, tension rod 3, jack 5 and the installation for pitching ear and bearing pin to jack 5
Hole is coaxial；
C, drawing：
Apply the pulling capacity that installation needs to jack 5, pass through nut 6 and the 3b of the tension rod II or 3a of tension rod I tensioning
The end of thread 33 passes to tension rod, tension rod pulling capacity by the 3b of tension rod II or the 3a of tension rod I connection screw thread end 31 with
The screwed hole of draw 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
Bearing pin is pulled to move forward, until bearing pin is installed in place；
D, unload and take《The device of drawing type installation interference fit bearing pin》：
Jack 5 lays down stretching force, and piston is retracted, and removes nut 6, jack 5, by the knob hole of draw bar, leading
Draw bar to remove from bearing pin, complete installation.
It is different from the connected mode for pitching ear according to the structure of draw bar and jack, there is following different embodiment.
Embodiment one：
A kind of device A of drawing type installation interference fit bearing pin and its method for installing interference fit bearing pin：
As shown in figure 1, the drawing type installation interference fit bearing pin device A basic structure include draw bar, tension rod,
Jack 5 and nut 6, it also includes a screw rod 1；
Described draw bar be its large end face center carry screwed hole 211 draw bar I 21 (referring to Fig. 4), working condition
Under, one end of screw rod 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
Screwed hole connection on bearing pin 7；The screwed hole at draw bar small end center and the 3b of the tension rod II or 3a of tension rod I connection screw thread end
31 connections；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
Through jack 5, it is connected by the 3b of tension rod II or the 3a of tension rod I the tensioning end of thread 33 with nut, the bottom pressure of jack 5
On fork ear；（Referring to Fig. 2）.
Embodiment two：
A kind of device B of drawing type installation 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）,
Under working condition, 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；
The screwed hole at draw 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
The mounting hole of ear, bearing pin, the conical surface of draw bar is set to be caught in the mounting hole of fork ear；Tension rod passes through jack 5, passes through tensioning
The 3b of bar II 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 drawing type is installed to methods of the device B of interference fit bearing pin for installing interference fit bearing pin is same
On.
Embodiment three：
A kind of device C of drawing type installation interference fit bearing pin：
As shown in Figure 10, the device C of drawing type installation interference fit bearing pin basic structure is the same as embodiment one, including spiral shell
Bar 1, draw bar, tension rod 3, jack 5 and nut 6, described draw bar are its large end face center leading with screwed hole 211
Draw bar I 21 (referring to Fig. 4), be with the difference of embodiment one：
It also includes a spike 4, and under working condition, tension rod 3 passes through the 3b of tension rod II through spike 4, jack 5
Or the 3a of the tension rod I tensioning end of thread 33 is connected with nut, the bottom of spike 4 is set to be pressed on fork ear, the bottom of jack 5 is pressed in support
On pin 4（Referring to Figure 11）.
Drawing type is installed into the basic step of methods of the device C of interference fit bearing pin for installing interference fit bearing pin such as
Embodiment one.
Example IV：
A kind of device D of drawing type installation interference fit bearing pin：
As shown in figure 13, the device D of drawing type installation interference fit bearing pin basic structure is with embodiment two, including leads
Draw bar, tension rod 3, jack 5 and nut 6, described draw bar is its large end face center with raised connection screw thread 221
Draw bar II 22（Referring to Fig. 5）, under working condition, the connection screw thread 221 of the large end face central protuberance of draw bar II passes through with bearing pin 7
Screwed hole connection on bearing pin 7；It is with the difference of embodiment two：
It also includes a spike 4, and under working condition, tension rod 3 passes through the 3b of tension rod II through spike 4, jack 5
Or the 3a of the tension rod I tensioning end of thread 33 is connected with nut, the bottom of spike 4 is set to be pressed on fork ear, the bottom of jack 5 is pressed in support
On pin 4（Referring to Figure 14）.
Drawing type is installed into the basic step of methods of the device D of interference fit bearing pin for installing interference fit bearing pin such as
Embodiment two.
Due to the device of above-mentioned drawing type installation interference fit bearing pin being used to install the method for being interference fitted bearing pin not
It is scope of protection of the utility model, therefore is no longer described in detail in each embodiment.
Claims (4)
- A kind of 1. device of drawing type installation interference fit bearing pin, it is characterised in that：Drawing type installation 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 It is caught in the mounting hole of 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.
- A kind of 2. device of drawing type installation interference fit bearing pin according to claim 1, 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.
- A kind of 3. device of drawing type installation interference fit bearing pin according to claim 1, 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.
- A kind of 4. device of drawing type installation interference fit bearing pin according to Claims 2 or 3, 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720788682.6U CN207027373U (en) | 2017-06-30 | 2017-06-30 | A kind of device of drawing type installation interference fit bearing pin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720788682.6U CN207027373U (en) | 2017-06-30 | 2017-06-30 | A kind of device of drawing type installation interference fit bearing pin |
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| CN207027373U true CN207027373U (en) | 2018-02-23 |
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| CN201720788682.6U Active CN207027373U (en) | 2017-06-30 | 2017-06-30 | A kind of device of drawing type installation interference fit bearing pin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263385A (en) * | 2017-06-30 | 2017-10-20 | 柳州欧维姆机械股份有限公司 | A kind of drawing type installs the device of interference fit bearing pin and its method for installing interference fit bearing pin |
-
2017
- 2017-06-30 CN CN201720788682.6U patent/CN207027373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263385A (en) * | 2017-06-30 | 2017-10-20 | 柳州欧维姆机械股份有限公司 | 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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