CN201960527U - Pin pulling device - Google Patents
Pin pulling device Download PDFInfo
- Publication number
- CN201960527U CN201960527U CN2011201134202U CN201120113420U CN201960527U CN 201960527 U CN201960527 U CN 201960527U CN 2011201134202 U CN2011201134202 U CN 2011201134202U CN 201120113420 U CN201120113420 U CN 201120113420U CN 201960527 U CN201960527 U CN 201960527U
- Authority
- CN
- China
- Prior art keywords
- pin
- crossover sub
- dead man
- pin removal
- hammer
- 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 - Lifetime
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Abstract
The utility model provides a pin pulling device, which comprises a pulling rod (1) and a pulling hammer (2), wherein one end (6) of the pulling rod (1) is provided with a pin connecting part capable of being connected with pins; the other end of the pulling rod (1) is provided with a collision limit part (5); the pulling hammer (2) can be sleeved on the pulling rod (1) and can axially slide along the pulling rod (1) until the collision limit part (5). By adopting the pin pulling device, the pins with all specifications and sizes can be rapidly pulled out, so the work efficiency can be improved and the disassembly failure rate of the pins can be reduced.
Description
Technical field
The utility model relates to a kind of maintenance of equipment instrument, especially relates to a kind of pin removal.
Background technology
Usually, when faying faces such as maintenance bearing shell, gear box cover, all can run into pin, for example the dismounting of internal and external screw thread circular cone (post) pin etc.Because do not have special-purpose instrument, traditional method is generally used instruments such as crow bar, dismounting is not only tired but also time-consuming, but also can curve the screw rod of external screw thread circular cone (post) pin, and influence reuses, even can break and can't take out in equipment.
In addition, run into when special occasion is pulled out a kind of extremely long hallway pin, for example: chain fire-gate the having strong market potential of grate firing boiler (boiler that with the evaporation capacity is 65T/h is an example), generally reach 4m, because the distortion that factors such as high temperature interlock in the long and use of length, the stressed bending of running cause is difficult to conventional method its taking-up and overhauled fire grate fast.
Summary of the invention
The purpose of this utility model is to provide a kind of pin removal of the pin of being convenient to choose, and for this purpose, it comprises dead man, the pin connecting portion that an end of described dead man can be connected with pin, and the other end is provided with the collision limiting section; Pull out hammer, the described hammer that pulls out can be enclosed within on the described dead man, and can be along the endwisely slipping of described dead man, and wherein, described slip terminates in described collision limiting section.So,, pull out hammer by slip and clash into and collide limiting section with after pin is connected at dead man, consequent impact energy is dismantled pin fast.
In addition, pin removal also comprises first crossover sub and second crossover sub, and an end of the dead man of described pin removal can also be connected with described pin with second crossover sub by first crossover sub, so that extract different pins.Wherein, an end of described dead man is provided with screw thread, and described first crossover sub is connected with an end and the pin thread of described dead man respectively by screw thread with the second crossover sub two ends.
Further, the described hammer jug that pulls out, handle through embossing on its surface.So, being convenient to the user can firmly hold this and pull out hammer and carry out disassembling section.
Alternatively, hand-held zone is housed on the other end of described dead man.Have handle on the described hand-held zone, so can be convenient to the operator grasps dead man, thereby carry out being connected of pin removal and pin, the operation of choosing after helping simultaneously.
The utility model can be extracted the pin of all specifications fast, for example, and internal and external screw thread circular cone (post) pin, and the grate firing boiler of all size is chain fire-gate has strong market potential, and can increase work efficiency, reduce the removing damaged rate of pin.
Description of drawings
In conjunction with the accompanying drawings, from following to finding out the characteristics of the application's pin removal required for protection the description of non-limiting embodiment significantly.
Fig. 1 is the skeleton diagram according to pin removal of the present utility model.
Fig. 2 is the schematic diagram according to the dead man of pin removal of the present utility model.
Fig. 3 is the cutaway view that pulls out hammer according to pin removal of the present utility model.
Fig. 4 is according to first crossover sub of pin removal of the present utility model and the cutaway view of second crossover sub.
Fig. 5 is for partly cuing open figure, and it shows according to the situation of pin removal of the present utility model when choosing internal and external screw thread circular cone (post) pin.
Fig. 6 is for partly cuing open figure, and it shows according to pin removal of the present utility model in the situation of choosing when having strong market potential.
It is pointed out that Reference numeral identical in the accompanying drawing represents identical or similar parts.
The specific embodiment
Fig. 1 to Fig. 4 be shown schematically in according to pin removal of the present utility model with and each parts.As shown in the figure, pin removal mainly comprises: dead man 1 hammers 2 into shape with pulling out.Wherein, an end 6 of dead man 1 is used for the pin connecting portion that is connected with pin, and the other end is provided with the collision limiting section 5 that protrudes in the dead man surface.Pull out hammer 2 power resources as pin removal, it can be enclosed within on the dead man 1 and reciprocally slide thereon, and this slip terminates in described collision limiting section 5.During work, dead man 1 is connected with pin, hold then to pull out hammer 2 its direction to collision limiting section 5 is slided, when pull out hammer 2 slide be collided limiting section 5 obstruction and when stopping, its transmission of power is given dead man, and consequent impulsive force drives choosing of the pin that connected.
Preferably, as shown in Figure 2, for the ease of holding pin removal bar 1, its end that is provided with collision limiting section 5 also is provided with hand-held zone, preferably has handle 4 on this hand-held zone.Simultaneously, an end 6 that is connected with pin is provided with screw thread, and this screw thread is used for being connected with the pin with internal thread.Certainly, other connected modes, for example mode such as buckle equally also can be suitable for connecting.In addition, the material selection T10 carbon tool steel of dead man 1 processes the back Quenching Treatment, back HRC 〉=62 of quenching.
Preferably, as shown in Figure 3, pull out hammer so that slide, pull out hammer and 2 be provided with handgrip 7, and it handles for embossed surface, so that increase frictional force in order to catch better.Simultaneously, the material that pulls out hammer 2 can be selected 45# carbon steel for use.
In addition, for the ease of being connected with different pins, pin removal for example can also be equipped with first crossover sub and second crossover sub 3,10 as shown in Figure 4, wherein, screw thread can be processed in the inside, two of first crossover sub 3, link to each other with the screw thread of dead man 1 end 6 on one side, one is complementary (pin removal of a specification can be joined one and be overlapped pin removal first crossover sub 3) with the external screw thread that is pulled out workpiece.Simultaneously, screw thread can be processed in the outside, two of pin removal second crossover sub 10, link to each other with the screw thread of pin removal first crossover sub 3 on one side, one is complementary (pin removal of a specification can be joined one and be overlapped pin removal second crossover sub 10) with the internal thread that is pulled out workpiece.The material of pin removal first crossover sub and second crossover sub 3,10 can be selected the T10 carbon tool steel for use, processes the back Quenching Treatment, back HRC 〉=62 of quenching.
Fig. 5 shows up and down a taper pin with internal thread 8 and external screw thread taper bolt 9 usefulness as location is housed respectively between two workpiece.When needs are taken two workpiece apart, must extract this two taper bolts.
When using this pin removal to pull out taper pin with internal thread 8, choose pin removal first crossover sub and second crossover sub 3,10 that are complementary with the screw thread that is pulled out workpiece earlier, after then crossover sub and two being screwed, can buttress handle 4 on the other hand, catch handgrip 7 to slide up and down on the other hand and pull out hammer 2, each stroke pulls out hammer 2 bump collision limiting sections 5, and the impulsive force of moment is given 8 one outside pulls out force of taper bolt, and bump back pin is just easily extracted several times.
When using this pin removal to pull out external screw thread taper bolt 9, choose pin removal first crossover sub 3 that is complementary with the screw thread that is pulled out workpiece earlier, after then crossover sub and two being screwed, can buttress handle 4 on the other hand, catch handgrip 7 to slide up and down pin removal hammer 2 on the other hand, each stroke pulls out the collision limiting section 5 of design on the hammer 2 bump handles 4, and the impulsive force of moment is given 9 one outside pulls out force of taper bolt, and bump back pin is just easily extracted several times.
Fig. 6 illustrate in grate firing boiler (boiler that with the evaporation capacity is 65T/h is an example) traveling-grate stoker 11 maintenance processes the most difficult pull out have strong market potential 12, it generally reaches 4m, diameter is between 12～18.Because length is long and use in high temperature interlock, factor such as running stressed bending etc. cause and have strong market potential 12 greatly with 13 frictional force of bushing pipe, be difficult to fire grate be overhauled in its taking-up fast with conventional method.The pin removal crossover sub 3 that is complementary of the screw thread that can choose earlier and have strong market potential at this time, after then crossover sub and two being screwed, one people can buttress handle 4, but people's both hands are caught handgrip 7 front and back to slide and are pulled out hammer 2, the collision limiting section 5 of design on each stroke pin removal hammer 2 bump handle 4, the impulsive force of moment is given the outside pull out force of having strong market potential, and pin behind the multiple impact (having strong market potential) is just easily extracted.
Certainly, the present invention is not subject to the above-mentioned specific embodiment, and those skilled in the art can set out any specific embodiment that is equal within the scope of the invention according to enlightenment of the present invention.
Claims (10)
1. pin removal, it comprises dead man (1), an end (6) of described dead man (1) is the pin connecting portion that can be connected with pin, and the other end is provided with collision limiting section (5); Pull out hammer (2), the described hammer (2) that pulls out is enclosed within described dead man (1) upward to do along described dead man (1) and to terminate in endwisely slipping of described collision limiting section (5).
2. pin removal according to claim 1, it is characterized in that, also comprise first crossover sub (3) and second crossover sub (10), one end of described dead man (1) is connected with described pin with second crossover sub (10) by first crossover sub (3), so that extract different pins.
3. pin removal according to claim 2 is characterized in that, an end of described dead man is provided with screw thread, and described first crossover sub (3) is connected with an end and the pin thread of described dead man respectively by screw thread with second crossover sub (10) two ends.
4. pin removal according to claim 3 is characterized in that, described first crossover sub (3) and second crossover sub (10) are made by the T10 carbon tool steel, and through Quenching Treatment.
5. according to each described pin removal in the claim 1 to 4, it is characterized in that the described hammer (2) that pulls out has handle (7).
6. pin removal according to claim 5 is characterized in that, handle through embossing on the surface of described handle (7).
7. pin removal according to claim 5 is characterized in that, the described hammer (2) that pulls out is made by 45# carbon steel.
8. pin removal according to claim 5 is characterized in that, described dead man (1) is made by the T10 carbon tool steel, and through Quenching Treatment.
9. pin removal according to claim 5 is characterized in that, hand-held zone is housed on the other end of described dead man (1).
10. pin removal according to claim 9 is characterized in that, has handle (4) on the described hand-held zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201134202U CN201960527U (en) | 2011-04-18 | 2011-04-18 | Pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201134202U CN201960527U (en) | 2011-04-18 | 2011-04-18 | Pin pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201960527U true CN201960527U (en) | 2011-09-07 |
Family
ID=44523056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201134202U Expired - Lifetime CN201960527U (en) | 2011-04-18 | 2011-04-18 | Pin pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201960527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513967A (en) * | 2011-12-31 | 2012-06-27 | 许晓华 | Pin puller |
| CN105936026A (en) * | 2016-06-27 | 2016-09-14 | 镇江耐丝新型材料有限公司 | Travelling hammer |
| CN112072473A (en) * | 2020-07-31 | 2020-12-11 | 广西玉柴机器股份有限公司 | Screw tap type spark plug sheath dismounting tool and use method thereof |
-
2011
- 2011-04-18 CN CN2011201134202U patent/CN201960527U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513967A (en) * | 2011-12-31 | 2012-06-27 | 许晓华 | Pin puller |
| CN105936026A (en) * | 2016-06-27 | 2016-09-14 | 镇江耐丝新型材料有限公司 | Travelling hammer |
| CN112072473A (en) * | 2020-07-31 | 2020-12-11 | 广西玉柴机器股份有限公司 | Screw tap type spark plug sheath dismounting tool and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
|
| CX01 | Expiry of patent term |