CN206048060U - A kind of pin pulling tool - Google Patents
A kind of pin pulling tool Download PDFInfo
- Publication number
- CN206048060U CN206048060U CN201620843332.0U CN201620843332U CN206048060U CN 206048060 U CN206048060 U CN 206048060U CN 201620843332 U CN201620843332 U CN 201620843332U CN 206048060 U CN206048060 U CN 206048060U
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- pin
- axle
- pulling
- guide post
- support base
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Abstract
The utility model discloses a kind of pin pulling tool, externally threaded axle of pulling pin, the universal joint for being fixedly connected on axle top of pulling pin, the female thread for installing connector of pulling pin for being arranged on axle bottom of pulling pin are provided with, are movably connected on axle of pulling pin including outer wall and the support base of the hollow cylindrical that Open Side Down, be arranged on pull pin axle bottom spacing some guide posts of fit with support base inwall, what support base was provided with and pulled pin the external screw thread cooperation of axle screws screw thread.This utility model provides a kind of uniform force, overcomes the pin pulling tool of narrow and small structure space constraint.
Description
Technical field
This utility model is related to a kind of extracting tool, in particular it relates to a kind of pin pulling tool for dismantling pin.
Background technology
Pin can limit the degree of freedom of object of which movement, and the pin with screw provides one easily when pulling pin
Impetus and apply more extensive, therefore be widely used in the assembling process of element part.Element part is in group
During dress by the way of pin positioning, bolt locking, as frock has cumulative errors, and zero in manufacturing process
Part can produce certain tension force to pin after locking is bolted so that pin is clamped, it is difficult to be pulled out；Some pins are in peace
Due to the restriction of structure space during dress or dismounting, make troubles to the course of work.
Meanwhile, when dismantling pin in maintenance work, user clashes into the labor intensity of handle in use
Still it is very big, and easily occur causing pin can not pull out because of discontinuity in unloading process, or screw rod fractures
In pin thread endoporus.At present, lack and a kind of with uniform stressed and can solve the work of pulling pin of structure space restricted problem
Tool.
Utility model content
This utility model technical issues that need to address are how to provide a kind of uniform force, overcome narrow and small structure space about
The pin pulling tool of beam.
To solve above-mentioned technical problem, the technical scheme adopted by this utility model is：
A kind of pin pulling tool, including outer wall be provided with externally threaded axle of pulling pin, the universal joint for being fixedly connected on axle top of pulling pin,
It is arranged on the female thread for installing connector of pulling pin of axle bottom of pulling pin, is movably connected in the sky that simultaneously Open Side Down on axle of pulling pin
The columnar support base of the heart, pull pin axle bottom spacing some guide posts of fitting with support base inwall are arranged on, on support base
Be provided with and pull pin axle external screw thread coordinate screw screw thread.
Technical solutions of the utility model further improvement is that：Externally threaded length is to pull pin the 1/4 ~ 1/2 of shaft length.
Technical solutions of the utility model further improvement is that：Universal joint includes cross axle, is connected on cross axle
The two pairs of hangers, two bearings being separately fixed on correspondence hangers, one of bearing are arranged on axle top of pulling pin.
Technical solutions of the utility model further improvement is that：Connector of pulling pin is that stud or two ends are provided with spiral shell
Stricture of vagina, the middle screw mandrel for polished rod, stud is by bolt I that is relative by head and welding together and can match somebody with somebody with pin thread
The bolt II for closing connection is constituted.
Technical solutions of the utility model further improvement is that：Diameter of the aperture of female thread less than axle of pulling pin, and it is interior
Screw thread is arranged concentrically with the section of axle bottom of pulling pin.
Technical solutions of the utility model further improvement is that：Guide post be located at pull pin shaft length 3/4 at below, and
Guide post is located above female thread, and guide post quantity is 2～5, and guide post spacing place of fitting with support base inwall is provided with wear-resisting
Layer.
Technical solutions of the utility model further improvement is that：The guide post is horizontally disposed cylinder type.
Technical solutions of the utility model further improvement is that：The guide post is the cylinder type being obliquely installed, and is led
It it is 45 ° ~ 60 ° to bar and support base angle of inclination, guide post is ellipse with the contact surface of axle of pulling pin.
Technical solutions of the utility model further improvement is that：Screw the screw thread setting direction phase of screw thread and female thread
Instead.
Technical solutions of the utility model further improvement is that：Axle 1, support base 2, the material of guide post 3 of pulling pin is
Rustless steel.
As a result of above-mentioned technical proposal, the technological progress that this utility model is obtained is：
Pin pulling tool of the present utility model is included in axle of pulling pin, the top of axle of pulling pin and is additionally arranged universal joint, realizes angle
The power transmission of degree, installs or removes inconvenience caused by pin in the narrow and small structure space so as to solve in machinery；Together
When, several guide posts are fixedly installed below the top of axle of pulling pin so that pin can keep vertical direction is pulled up, it is to avoid
Because discontinuity causes the phenomenon that pin can not pulled out or screw rod fractures in pin thread endoporus.
This utility model is provided with universal joint on the top of axle of pulling pin so that small space of the operator in frame for movement
During installation or removal pin, the pin pulling tool in this utility model can be put into pin mouth, operator can be in outside
Rotate universal joint so that axle of pulling pin, stud also concomitant rotation, and then can load or extract pin.Therefore, universal joint
Arrange and force direction be not limited in vertical direction, can be used for any position that needs change transmission axis direction,
Serve universal joint and apply " joint " effect between active force, operate easier.
The hollow cylindrical that support base of the present utility model is movably connected on axle of pulling pin and Open Side Down, using screw thread
It is flexibly connected with axle of pulling pin integral, on the outer wall of support base, is provided with external screw thread, externally threaded length is shaft length of pulling pin
1/4 ~ 1/2, it is ensured that during installation or removal pin, support base is difficult from axle of pulling pin to split away off, also so that behaviour
Make safer.
3/4 arranged below several guide posts of this utility model on axle top of pulling pin, guide post are located at axle of pulling pin
Bottom is simultaneously fitted spacing with support base inwall, and the setting direction of guide post can be that horizontal level can also be with support base inclination angle
Spend for 45 ° ~ 60 °.Just because of this position-limiting action, realize during pulling pin on axial direction or being rotated down motion, pin
Nail can ensure that in the vertical direction is moved.So as to the setting of, guide post avoid pin in unloading process in machine because
For the difference of stress size and Orientation, and cause the phenomenon that pin can not pulled out or screw rod fractures in pin thread endoporus.Leading
Wearing layer is fitted with the position contacted with support base inwall to the top of bar, the wearing layer can be graphite, Graphene or rubber
Glue, reduces frictional force of the guide post during upward sliding, extends the service life of instrument, also so that operating more
It is time saving and energy saving.
This utility model pull pin axle bottom for installing the female thread of connector of pulling pin, the connection for coordinating female thread to use
Part can be stud, and stud is made up of bolt I and the bolt II that can be connected with pin thread, and passes through two
Individual bolt head is relative and is welded, and bolt I is equal with the internal thread diameter of axle bottom of pulling pin, it is ensured that stud with pull out
Bearing pin can combine integral, realize the mesh ground pulled pin.Aperture in this utility model on stud according to pin on machine
In welding of different sizes with different pore size size bolt II, it is ensured that pin pulling tool range of application of the present utility model it is wide
It is general；Meanwhile, connector can also adopt two ends to be provided with screw thread, the middle screw mandrel for polished rod, and screw mandrel can be by the rotation of axle of pulling pin
Motion conversion linear movement, and have high accuracy, reversibility and efficient advantage.
Description of the drawings
Fig. 1 is the structural representation of this utility model embodiment one；
Fig. 2 is the schematic diagram of one two-way bolt of this utility model embodiment；
Fig. 3 is the schematic diagram of this utility model universal joint；
Fig. 4 is the structural representation of this utility model embodiment two；
Wherein, 1, axle of pulling pin, 2, support base, 3, guide post, 4, stud, 4-1, bolt I, 4-2, bolt II, 5, ten thousand
Xiang Jie, 5-1, bearing, 5-2, cross axle, 5-3, hangers, 6, screw mandrel.
Specific embodiment
Below to being described in further details to this utility model in conjunction with the embodiments：
Embodiment one,
As shown in Fig. 1 ~ Fig. 3, pin pulling tool of the present utility model, including axle 1 of pulling pin, connects in one end activity of axle 1 of pulling pin
Universal joint 5 is connected to, the bottom of axle 1 of pulling pin is provided with female thread, axle 1 of pulling pin is connected with stud 4 by the female thread of bottom,
The pull pin axial direction of axle 1 of being located along of stud 4 is connected to and pulls pin on axle 1.Stud 4 be by two bolt weldings and
Into, as shown in Fig. 2 I 4-1 of bolt and II 4-2 of the bolt compositions that can be connected with pin thread, I 4-1 of bolt and bolt II
The head of 4-2 is relative and is welded, and the diameter with diameter greater than II 4-2 of bolt of I 4-1 of bolt.On axle 1 of pulling pin
I 4-1 diameters of bolt be equal to and pull pin 1 bottom internal thread diameter of axle, it is ensured that axle 1 of pulling pin can be tight with stud 4
Be integrated into one, complete pin installation and removal the course of work.Meanwhile, the aperture of 1 bottom female thread of axle of pulling pin is less than pulls out
The diameter of bearing pin 1, and female thread is arranged concentrically with the section of 1 bottom of axle of pulling pin.
Support base 2 is movably connected in pulls pin on axle 1, and the hollow cylindrical that Open Side Down.Support base 2 and axle 1 of pulling pin
Contact position be provided with cooperation and pull pin and externally threaded on axle 1 screw screw thread.Pull pin axle 1 outer wall on be provided with external screw thread, outer spiral shell
The length of stricture of vagina is to pull pin the 1/4 ~ 1/2 of shaft length, it is ensured that during installation or removal pin, and support base 2 is difficult from pulling pin
Split away off on axle 1, also so that operation is safer；Meanwhile, on support base 2 screw screw thread with 1 bottom of axle of pulling pin in
The screw thread setting direction of screw thread is contrary, it is to avoid in operation, while axle 1 of pulling pin is moved upwards relative to support base 2, matches somebody with somebody
The pin that the female thread that conjunction is pulled pin on 1 bottom of axle is connected on machine also slides.
Guide post 3 in the present embodiment is two horizontally disposed cylinder types, pull pin 1 bottom of axle away from guide post 3 away from
1/3 is less than from distance ratio of the axle 1 with 5 junction of universal joint to guide post 3 of pulling pin, so that will not be because of guide post 3
Position it is too high and hinder to move up with the axle 1 of pulling pin of 3 one of guide post.Two guide posts 3 are tight with the inwall of support base 2
Fit together, play a part of during installation and removal limit pull pin axle 1 move left and right and cause pin bend, together
When, graphite linings are fitted with the top of 2 contact surface of support base on guide post 3, reduce guide post 3 in upward sliding process
Frictional force.
As shown in Figure 3, universal joint 5 is by cross axle 5-2, two couples of hangers 5-3 being connected on cross axle 5-2 and difference
Two bearing 5-1 compositions on fixed correspondence hangers 5-3, one of bearing 5-1 are mounted on the top of axle 1 of pulling pin.Behaviour
Author in frame for movement more small space installation or removal pin when, can be put into pin mouth with this pin pulling tool, grasp
Author will be relative to support by one end of the larger external rotating universal joint 5 in space, pull pin axle 1 and stud 4
Seat 2 is relatively rotated, and then can be loaded or be extracted pin.Therefore, the setting of universal joint 5 cause operator in force direction not only
Be limited in vertical direction, but in all directions can operation, make universal joint 5 serve and apply active force between
" joint " effect so that operation it is easier.
Axle 1 of pulling pin in this utility model, support base 2, the material of guide post 3 are rustless steel, alleviate on the whole
The weight of instrument, makes operator time saving and energy saving when working, convenient to operate.
Embodiment two,
As shown in figure 4, the present embodiment is from unlike embodiment one, guide post 3 is 45 ° with 2 angle of inclination of support base, and
And be connected with 1 bottom screw-internal thread fit of axle of pulling pin is that two ends are provided with screw thread, the middle screw mandrel 6 for polished rod, guide post 3 with support
The contact surface of 2 inwalls of seat is ellipse, is fitted with reduction guide post 3 equally on guide post 3 with the contact surface of 2 inwall of support base
The graphite linings of force of sliding friction.
It is all at 45 ° ~ 60 ° with the angle of inclination of support base 2 that embodiment in this utility model does not have exhaustive guide post 3
Angle, but so angle falls within protection domain of the present utility model.
Claims (10)
1. a kind of pin pulling tool, it is characterised in that：It is provided with externally threaded axle of pulling pin (1), is fixedly connected on axle of pulling pin including outer wall
(1) universal joint on top（5）, be arranged on axle of pulling pin (1) bottom for install pull pin connector female thread, be movably connected in
Pull pin on axle (1) and the hollow cylindrical that Open Side Down support base（2）, be arranged on axle of pulling pin（1）Bottom and support base（2）
The spacing some guide posts of inwall laminating（3）, support base（2）Be provided with and pull pin axle (1) external screw thread coordinate screw screw thread.
2. a kind of pin pulling tool according to claim 1, it is characterised in that：Externally threaded length is axle of pulling pin（1）Length
1/4 ~ 1/2.
3. a kind of pin pulling tool according to claim 1, it is characterised in that：Universal joint（5）Including cross axle（5-2）, even
It is connected on cross axle（5-2）On two pairs of hangers（5-3）, be separately fixed at correspondence hangers（5-3）On two bearings（5-1）, its
In a bearing（5-1）It is arranged on axle of pulling pin（1）Top.
4. a kind of pin pulling tool according to claim 1, it is characterised in that：Connector of pulling pin is stud（4）Or two
End is provided with screw thread, the middle screw mandrel for polished rod（6）, stud（4）By by the relative I (4- of bolt for welding together of head
1) and can be connected with pin thread bolt II (4-2) composition.
5. a kind of pin pulling tool according to claim 1, it is characterised in that：The aperture of female thread is less than axle of pulling pin（1）'s
Diameter, and female thread and axle of pulling pin（1）The section of bottom is arranged concentrically.
6. a kind of pin pulling tool according to claim 1, it is characterised in that：Guide post（3）Positioned at axle of pulling pin（1）Length
Below at 3/4, and guide post（3）Above female thread, guide post（3）Quantity is 2～5, guide post（3）With support base
（2）Inwall laminating spacing place is provided with wearing layer.
7. a kind of pin pulling tool according to claim 6, it is characterised in that：The guide post（3）For horizontally disposed circle
Cylinder-type.
8. a kind of pin pulling tool according to claim 6, it is characterised in that：The guide post（3）For the circle being obliquely installed
Cylinder-type, guide post（3）With support base（2）Angle of inclination is 45 ° ~ 60 °, guide post（3）With axle of pulling pin（1）Contact surface for ellipse
It is circular.
9. a kind of pin pulling tool according to any one of claim 1 ~ 8, it is characterised in that：Screw the spiral shell of screw thread and female thread
Stricture of vagina setting direction is contrary.
10. a kind of pin pulling tool according to any one of claim 1 ~ 8, it is characterised in that：Pull pin axle（1）, support base
（2）, guide post（3）Material be rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843332.0U CN206048060U (en) | 2016-08-05 | 2016-08-05 | A kind of pin pulling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843332.0U CN206048060U (en) | 2016-08-05 | 2016-08-05 | A kind of pin pulling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206048060U true CN206048060U (en) | 2017-03-29 |
Family
ID=58380267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620843332.0U Active CN206048060U (en) | 2016-08-05 | 2016-08-05 | A kind of pin pulling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206048060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078607A (en) * | 2016-08-05 | 2016-11-09 | 新兴铸管股份有限公司 | A kind of pin pulling tool |
| CN108747963A (en) * | 2018-07-27 | 2018-11-06 | 东方航空技术有限公司 | Lever pulls out axis tool |
-
2016
- 2016-08-05 CN CN201620843332.0U patent/CN206048060U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078607A (en) * | 2016-08-05 | 2016-11-09 | 新兴铸管股份有限公司 | A kind of pin pulling tool |
| CN108747963A (en) * | 2018-07-27 | 2018-11-06 | 东方航空技术有限公司 | Lever pulls out axis tool |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |