CN203092476U - Puller - Google Patents
Puller Download PDFInfo
- Publication number
- CN203092476U CN203092476U CN 201320059372 CN201320059372U CN203092476U CN 203092476 U CN203092476 U CN 203092476U CN 201320059372 CN201320059372 CN 201320059372 CN 201320059372 U CN201320059372 U CN 201320059372U CN 203092476 U CN203092476 U CN 203092476U
- Authority
- CN
- China
- Prior art keywords
- puller
- hook
- drag hook
- force
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a puller. The puller comprises drag hooks and force arms. A threaded drawing rod is connected on the force arms. A locating groove is formed in each force arm. The drag hooks are symmetrically and movably installed inside the locating grooves. A thrust augmentation rod is installed at the top end of the threaded drawing rod in a sleeved mode. A supporting base is arranged at the bottom end of the threaded drawing rod. Due to the fact that the puller is provided with the multi-level locating grooves, the width of the puller is adjusted through moving the drag hooks in a left-and-right mode, under a stress condition, left or right displacement will not be generated, perpendicular performance during drawing operations is ensured, the puller is suitable for various working conditions, and working efficiency is improved. Due to the fact that an upward inclined included angle is formed between a hook part and a hook body of each drag hook, a bearing can not be damaged during drawing, annular knurls are arranged on the hook parts, and the puller has an anti-skidding function and an anti-disengaging function. Due to the circular arc anti-drawing design of the hook bodies, the intensity of the hook bodies is improved. Due to the facts that a gap is formed in the bottom of the threaded drawing rod and a gap is formed inside the supporting base, the supporting base can move at the range from plus 15 degrees to minus 15 degrees, and the puller can be suitable for working of supporting points under various conditions.
Description
Technical field
The present invention relates to a kind of horse of drawing, horse is drawn in especially a kind of bearing special use.
Background technology
Drawing horse is the extracting tool that bearing and axle are separated.Catch on bearing with three grippers during use, rotation has the push rod of screw thread then, and bearing has just slowly been pulled out axle.Traditional draw horse in the process that pulling shaft holds, to draw bad bearing, inefficiency easily and be not suitable for pulling shaft to hold endoporus.Particularly in the narrow and small gear-box in space, can't operate when drawing bearing or gear.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of and regulate, but outer bearing in the drawing, can in gear-box, act on draw horse.
Purpose of the present invention can be achieved through the following technical solutions:
A kind ofly draw horse, comprise drag hook, the arm of force, connecting thread pull bar on the described arm of force, the described arm of force is provided with locating slot, and described drag hook symmetry is movably installed in the locating slot; The top of described thread is set with boosting-rod, and the bottom is provided with supporting seat.
Preferably, described drag hook upper end is installed in the locating slot on the arm of force by screw bolt and nut.
Preferably, the screwed hole of the described thread and the arm of force is connected, the external screw thread of described thread bottom and the screw-internal thread fit of supporting seat.
Preferably, the upper end of described drag hook is circular-arc.
Preferably, the hook portion of described drag hook and coupler body have slanted angle upwards, preferred 85 degree angles.
Preferably, the hook portion of described drag hook is processed with straight knurling.
Described locating slot is used for the occasion of different big or small bearings or gear, by fixing drag hook, can prevent that drag hook from horizontally slipping, and goes out bearing and gear because the symmetry energy of left and right sides locating slot is vertically stablized drawing.
Described drag hook needs to adorn drag hook is counter when the inner bearing of drawing hole.
Described supporting seat mainly acts on: when drawing bearing or gear, a lot of situation lower support points are uneven, cause the operating point displacement to cause drag hook distortion etc. easily, can be good at addressing these problems after design has supporting seat.
Compare beneficial effect of the present invention with prior art:
1. the present invention is provided with multistage locating slot, adjusts width by the drag hook about moving, and can not produce left and right displacement under the stressing conditions, has guaranteed the up rightness of drawing work, adapts to different working conditions, increases work efficiency.
2. the hook portion of drag hook and coupler body have slanted angle upwards, and it is bad to protect bearing not drawn, and is provided with annular knurl in hook portion, plays anti-skidding, slip-off preventing effect, and coupler body adopts the design of circular arc tension, improves coupler body intensity.
3. the thread bottom is equipped with supporting seat, can realize that by the thread bottom and the gap of supporting seat inside supporting seat has the activity of positive and negative 15 degree scopes, can adapt to the strong point work under the different situations.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among Fig. 1,1-drag hook, 2-supporting seat, the 3-arm of force, 4-thread, 5-boosting-rod, 6-nut, 8-locating slot, 11-coupler body, 12-hook portion.
Fig. 2 is the vertical view of Fig. 2.
Among Fig. 2, the 3-arm of force, 4-thread, 5-boosting-rod, 6-nut, 7-bolt.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention will be further described.
As depicted in figs. 1 and 2, a kind ofly draw horse, comprise drag hook 1, the arm of force 3, connecting thread pull bar 4 on the described arm of force 3, the described arm of force 3 is provided with locating slot 8, and described drag hook 1 symmetry is movably installed in the locating slot 8; The top of described thread 4 is set with boosting-rod 5, and the bottom is provided with supporting seat 2.
Described drag hook 1 upper end is installed in the locating slot 8 on the arm of force 3 by bolt 7 and nut 6.
Described thread 4 is connected with the screwed hole of the arm of force 3.
The upper end of described drag hook 1 is circular-arc.
The hook portion 12 and the coupler body 11 of described drag hook 1 have slanted angle upwards, preferred 85 degree angles.
The hook portion 12 of described drag hook 1 is processed with straight knurling.
Described locating slot is used for the occasion of different big or small bearings or gear, by fixing drag hook, can prevent that drag hook from horizontally slipping, and goes out bearing and gear because the symmetry energy of left and right sides locating slot is vertically stablized drawing.
Described drag hook needs to adorn drag hook is counter when the inner bearing of drawing hole.
Described supporting seat mainly acts on: when drawing bearing or gear, a lot of situation lower support points are uneven, cause the operating point displacement to cause drag hook distortion etc. easily, can be good at addressing these problems after design has supporting seat.
Claims (7)
1. one kind is drawn horse, comprises drag hook (1), the arm of force (3), it is characterized in that upward connecting thread pull bar (4) of the described arm of force (3), and the described arm of force (3) is provided with locating slot (8), and described drag hook (1) symmetry is movably installed in the locating slot (8); The top of described thread (4) is set with boosting-rod (5), and the bottom is provided with supporting seat (2).
2. according to claim 1ly draw horse, it is characterized in that described drag hook (1) upper end is installed in the locating slot (8) on the arm of force (3) by bolt (7) and nut (6).
3. according to claim 1 and 2ly draw horse, it is characterized in that the described thread (4) and the screwed hole of the arm of force (3) are connected the external screw thread of described thread (4) bottom and the screw-internal thread fit of supporting seat (2).
4. according to claim 1 and 2ly draw horse, the upper end that it is characterized in that described drag hook (1) is circular-arc.
5. according to claim 1 and 2ly draw horse, it is characterized in that the hook portion (12) of described drag hook (1) and coupler body (11) have slanted angle upwards.
6. according to claim 5ly draw horse, the hook portion (12) that it is characterized in that described drag hook (1) is 85 degree angles with the slanted angle of coupler body (11).
7. according to claim 1 and 2ly draw horse, it is characterized in that the hook portion (12) of described drag hook (1) is processed with straight knurling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320059372 CN203092476U (en) | 2013-02-01 | 2013-02-01 | Puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320059372 CN203092476U (en) | 2013-02-01 | 2013-02-01 | Puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092476U true CN203092476U (en) | 2013-07-31 |
Family
ID=48843918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320059372 Expired - Fee Related CN203092476U (en) | 2013-02-01 | 2013-02-01 | Puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203092476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465221A (en) * | 2013-08-27 | 2013-12-25 | 张家港优尼克五金工具有限公司 | Three-jaw puller |
| CN105364775A (en) * | 2015-12-10 | 2016-03-02 | 中车洛阳机车有限公司 | Disassembly tool of locomotive body ventilator blades |
-
2013
- 2013-02-01 CN CN 201320059372 patent/CN203092476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465221A (en) * | 2013-08-27 | 2013-12-25 | 张家港优尼克五金工具有限公司 | Three-jaw puller |
| CN105364775A (en) * | 2015-12-10 | 2016-03-02 | 中车洛阳机车有限公司 | Disassembly tool of locomotive body ventilator blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150201 |
|
| EXPY | Termination of patent right or utility model |