CN204566032U - Times power drawbench - Google Patents
Times power drawbench Download PDFInfo
- Publication number
- CN204566032U CN204566032U CN201520218427.9U CN201520218427U CN204566032U CN 204566032 U CN204566032 U CN 204566032U CN 201520218427 U CN201520218427 U CN 201520218427U CN 204566032 U CN204566032 U CN 204566032U
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- China
- Prior art keywords
- nut
- power
- drawbench
- swivel nut
- hinged
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- 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
A kind of times power drawbench, relate to the drawing device technical field to mechanical part drawing dismounting, be provided with down bolt, down bolt is provided with drawing nut, it is characterized in that the down bolt above drawing nut is provided with swivel nut, swivel nut upper end is provided with spanner seat, the externally threaded pitch of swivel nut is greater than the pitch of swivel nut internal thread, swivel nut outside is provided with a times power nut, on times power nut, circumference is laid with at least two hold-down arms, hold-down arm is hinged with connecting rod, hinged drawing lever on connecting rod, the other end and the drawing nut of drawing lever are hinged, drawing its intermediate part is hinged with pulling claw.It is simple that the utility model has structure, and easy to operate, the power of input can be amplified many times, use the advantages such as laborsaving, and have common drawbench and times power drawbench dual-use function, the scope of application is wide.
Description
Technical field
The utility model relates to the drawing device technical field to mechanical part drawing dismounting, says it is that a kind of structure is simple, easy to operate in detail, uses time saving and energy saving one times power drawbench.
Background technology
We know, drawbench is a kind of instrument interference fit device being carried out to drawing dismounting, be widely used in harbour, electric power, iron and steel, shipbuilding, etc. important industry and infrastructural project field.Existing drawbench is divided into mechanical pullers and hydraulic drawing device, and the structure of mechanical pullers is provided with down bolt, and down bolt is provided with drawing nut, and on drawing nut, circumference is uniform is hinged with at least two pulling claws, and down bolt front end is provided with taper top.During use, to lean on the installed part treated in the middle part of drawing device or backstay, the symmetrical lodge of pulling claw is treating that drawing device is applicable to (outward flange or stress hole) on position, fixing drawing nut, rotary power bolt, drawing nut, not with power screws, becomes pulling claw by the rotary motion of down bolt and moves relative to the straight-line feed of down bolt axis, will treat that drawing device disassembles.The down bolt pitch of above-mentioned drawbench is less, and the pulling force obtained is larger, but pitch is little, and its form of thread structure is little, and anti-shear performance is poor, in use easily collides with simultaneously and causes wound button, repair difficulty; Pitch is larger, the pulling force obtained when imposing same moment is less, the length of rotary spanner need be increased, but operation needs two people or multiple person cooperational to complete, for some coordinate the parts of tensions or the reasons such as face portion damage, corrosion that cooperatively interact because of parts cause cannot normally drawing time, dismantle very difficult, require great effort.Hydraulic drawing device complex structure, manufacturing cost are high, and some particular surroundings can not use, complicated operation, difficulty.
Summary of the invention
The purpose of this utility model solves above-mentioned the deficiencies in the prior art, provides a kind of structure simple, easy to operate, the power of input can be amplified many times, use laborsaving times of power drawbench.
Another object of the present utility model is to provide a kind of times power drawbench with common drawbench and times power drawbench dual-use function.
The technical scheme that the utility model solution the deficiencies in the prior art adopt is:
A kind of times power drawbench, be provided with down bolt, down bolt is provided with drawing nut, it is characterized in that the down bolt above drawing nut is provided with swivel nut, swivel nut upper end is provided with spanner seat, the externally threaded pitch of swivel nut is greater than the pitch of swivel nut internal thread, swivel nut outside is provided with a times power nut, on times power nut, circumference is laid with at least two hold-down arms, hold-down arm is hinged with connecting rod, hinged drawing lever on connecting rod, the other end and the drawing nut of drawing lever are hinged, and drawing its intermediate part is hinged with pulling claw.
A times power nut upper end described in the utility model is provided with spanner seat.
Triangular in shape or the L shape of drawing lever described in the utility model.
Down bolt lower end described in the utility model is provided with taper top, and down bolt upper end is provided with cursor installing hole.
When the utility model uses, the parts compared with great strength drawing dismounting are used for not needing, according to element size, rotary power bolt is to being applicable to position, down bolt lower end leans on installed part in the middle part of parts to be removed or backstay, the symmetrical lodge of pulling claw is applicable to (outward flange or stress hole) on position at parts to be removed, rotary power bolt, get rid of the gap of drag hook and workpiece, the now lower end of swivel nut and the upper-end contact of drawing nut, with the fixing times power nut of spanner, turn clockwise down bolt, down bolt moves downward, drive pulling claw moves upward, parts pull-out will be dismantled, complete drawing work.For cooperation tension or because of parts cooperatively interact face portion damage, the reasons such as corrosion cause aforesaid operations cannot normally drawing time, on the basis of aforesaid operations, remove the spanner of fixing times power nut, now drawbench keeps motionless because of the pretightning force between pulling claw and workpiece, spanner is stuck on the spanner seat of swivel nut, stationary power bolt is motionless, swivel nut is rotated counterclockwise with spanner, the thread pitch coordinated with down bolt due to swivel nut is greater than the thread pitch of swivel nut and times power nut screw connection, swivel nut often revolves and turns around, times power nut drives the relative down bolt of pulling claw to move up the distance of difference of swivel nut internal thread pitch and swivel nut external screw thread pitch.When disregarding frictional force, using identical pulling force, pulling force during the common use of 4 times can be obtained.When swivel nut be rotated counterclockwise, a times power nut move upward time, pull connecting rod and drawing lever one end to move upward, the hinged pulling claw of drawing its intermediate part moves upward, and application lever principle can save the power of several times further, the combination of two kinds of labor-saving structures, can obtain the power of several times or decades of times.It is simple that the utility model has structure, and easy to operate, the power of input can be amplified many times, use the advantages such as laborsaving, and have common drawbench and times power drawbench dual-use function, the scope of application is wide.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is perspective view of the present utility model.
Detailed description of the invention
Times power drawbench as shown in Figure 1 and Figure 2, be provided with down bolt 2, down bolt 2 is provided with drawing nut 4, down bolt above drawing nut 4 is provided with the swivel nut 1 with inside and outside tooth (screw thread), swivel nut 1 upper end is provided with spanner seat, the externally threaded pitch of swivel nut 1 is greater than the pitch of swivel nut 1 internal thread, and swivel nut 1 outside is provided with a times power nut 3, and times power nut 3 upper end is provided with spanner seat.The threaded engagement of swivel nut internal thread and down bolt, the threaded engagement of swivel nut external screw thread and times power nut 3, on times power nut, circumference is laid with at least two hold-down arms 12, in the present embodiment, times power nut is arranged with two hold-down arms 12.Hold-down arm 12 is hinged with connecting rod 5 through bearing pin 11, and through the hinged drawing lever 6 of bearing pin 9 on connecting rod 5, the other end of drawing lever 6 is hinged through bearing pin 7 and drawing nut 4, is hinged with pulling claw 15 in the middle part of drawing lever 6 through bearing pin 8; The pin joint of drawing lever and connecting rod 5 is in the outside of the pin joint of drawing lever and drawing nut.As can be seen from the figure, drawing lever is triangular in shape, also can be L shape; Connecting rod 5 one end and hold-down arm hinged, one jiao of connecting rod 5 other end and triangle drawing lever is hinged, and another angle and the drawing nut of triangle drawing lever 6 are hinged, the 3rd angle between above-mentioned two jiaos of triangle drawing lever and pulling claw hinged.Described down bolt lower end is provided with taper top, and down bolt upper end is provided with cursor installing hole, and cursor installing hole can insert cursor, rotates more laborsaving.
When the utility model uses, the parts compared with great strength drawing dismounting are used for not needing, according to element size, rotary power bolt is to being applicable to position, down bolt lower end leans on installed part in the middle part of parts to be removed or backstay, the symmetrical lodge of pulling claw is applicable to (outward flange or stress hole) on position at parts to be removed, rotary power bolt, get rid of the gap of drag hook and workpiece, the now lower end of swivel nut and the upper-end contact of drawing nut, with the fixing times power nut of spanner, turn clockwise down bolt, down bolt moves downward, drive pulling claw moves upward, parts pull-out will be dismantled, complete drawing work.For cooperation tension or because of parts cooperatively interact face portion damage, the reasons such as corrosion cause aforesaid operations cannot normally drawing time, on the basis of aforesaid operations, remove the spanner of fixing times power nut, now drawbench keeps motionless because of the pretightning force between pulling claw and workpiece, spanner is stuck on the spanner seat of swivel nut, stationary power bolt is motionless, swivel nut is rotated counterclockwise with spanner, the thread pitch coordinated with down bolt due to swivel nut is greater than the thread pitch of swivel nut and times power nut screw connection, swivel nut often revolves and turns around, times power nut drives the relative down bolt of pulling claw to move up the distance of difference of swivel nut internal thread pitch and swivel nut external screw thread pitch.When disregarding frictional force, using identical power, pulling force during the common use of 4 times can be obtained.When swivel nut be rotated counterclockwise, a times power nut move upward time, pull connecting rod and drawing lever one end to move upward, the hinged pulling claw of drawing its intermediate part moves upward, and application lever principle can save the power of several times further, the combination of two kinds of labor-saving structures, can obtain the power of several times or decades of times.It is simple that the utility model has structure, and easy to operate, the power of input can be amplified many times, use the advantages such as laborsaving, and have common drawbench and times power drawbench dual-use function, the scope of application is wide.
Claims (4)
1. one kind of times of power drawbench, be provided with down bolt, down bolt is provided with drawing nut, it is characterized in that the down bolt above drawing nut is provided with swivel nut, swivel nut upper end is provided with spanner seat, the externally threaded pitch of swivel nut is greater than the pitch of swivel nut internal thread, swivel nut outside is provided with a times power nut, on times power nut, circumference is laid with at least two hold-down arms, hold-down arm is hinged with connecting rod, hinged drawing lever on connecting rod, the other end and the drawing nut of drawing lever are hinged, and drawing its intermediate part is hinged with pulling claw.
2. according to claim 1 times of power drawbench, is characterized in that a described times power nut upper end is provided with spanner seat.
3. according to claim 1 and 2 times of power drawbench, is characterized in that the triangular in shape or L shape of described drawing lever.
4. according to claim 3 times of power drawbench, it is characterized in that described down bolt lower end is provided with taper top, down bolt upper end is provided with cursor installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218427.9U CN204566032U (en) | 2015-04-13 | 2015-04-13 | Times power drawbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218427.9U CN204566032U (en) | 2015-04-13 | 2015-04-13 | Times power drawbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204566032U true CN204566032U (en) | 2015-08-19 |
Family
ID=53858722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520218427.9U Expired - Fee Related CN204566032U (en) | 2015-04-13 | 2015-04-13 | Times power drawbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204566032U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002822A (en) * | 2016-06-20 | 2016-10-12 | 中国航空动力机械研究所 | Disassembling tool for parts in interference fit |
| CN107351019A (en) * | 2017-09-12 | 2017-11-17 | 周楠 | A kind of hybrid multifunctional mechanical pullers |
| CN109955190A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | One kind screwing dismantling device for underwater remote locking destruction, bolt |
| CN114043422A (en) * | 2021-11-23 | 2022-02-15 | 哈尔滨东安汽车动力股份有限公司 | Tool for dismounting bearing bush of output shaft of lengthened rear-drive transmission and operation method |
-
2015
- 2015-04-13 CN CN201520218427.9U patent/CN204566032U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002822A (en) * | 2016-06-20 | 2016-10-12 | 中国航空动力机械研究所 | Disassembling tool for parts in interference fit |
| CN107351019A (en) * | 2017-09-12 | 2017-11-17 | 周楠 | A kind of hybrid multifunctional mechanical pullers |
| CN109955190A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | One kind screwing dismantling device for underwater remote locking destruction, bolt |
| CN109955190B (en) * | 2017-12-22 | 2024-02-09 | 中核核电运行管理有限公司 | Be used for remote locking destruction under water, bolt screwing assembly and disassembly tools |
| CN114043422A (en) * | 2021-11-23 | 2022-02-15 | 哈尔滨东安汽车动力股份有限公司 | Tool for dismounting bearing bush of output shaft of lengthened rear-drive transmission and operation method |
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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: 20150819 Termination date: 20170413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |