CN203510095U - Gear pull-out structure - Google Patents
Gear pull-out structure Download PDFInfo
- Publication number
- CN203510095U CN203510095U CN201320684876.3U CN201320684876U CN203510095U CN 203510095 U CN203510095 U CN 203510095U CN 201320684876 U CN201320684876 U CN 201320684876U CN 203510095 U CN203510095 U CN 203510095U
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- gear
- hole
- bolt
- limiting
- turning cylinder
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- 239000011159 matrix material Substances 0.000 claims description 36
- 239000007769 metal material Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000000284 extract Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to a gear pull-out structure which is used for dismounting a gear provided with at least one threaded hole from a rotating shaft. The gear pull-out structure comprises a base body, an ejection bolt and at least one fastening bolt, wherein the base body is provided with a threaded through hole and at least one limit through hole; the ejection bolt is matched with the threaded through hole, penetrates in from one side of the threaded through hole, penetrates out from the other side, and is used for propping against the rotating shaft; and the at least one limit through hole is matched with the threaded hole of the gear, penetrates in from one side of the limit through hole and penetrates out from the other side, and a bolt head of the fastening bolt is clamped in the position of the limit through hole and used for being connected with the gear. With the adoption of the gear pull-out structure provided by the utility model, the gear can be dismounted from the rotating shaft without dismounting other accessories around the gear, so that the time for dismounting the gear is greatly saved, and the work efficiency is improved; and meanwhile, other accessories are not required to be dismounted, accordingly, abrasion for other parts is reduced, and the service life of an overall machine is prolonged.
Description
Technical field
The utility model relates to a kind of gear and extracts structure, belongs to gear maintenance field, particularly relates to a kind of gear of being convenient to gear maintenance and extracts structure.
Background technology
The normal work of engine be unable to do without the accurate switching of inlet and outlet door, and the accurate operation of delivery piston, and the precision maneuver of inlet valve, exhaust valve, delivery piston is guaranteed by timing gears.
When fuel feeding high-pressure pump timing gears and engine timing gear be not at once, easily cause engine oil advance angle inaccurate, thereby cause engine power inaccurate.When the engine of this fault appears in maintenance, conventionally need to remove water tank, crank pulley, generator, belt tension axle, the stone of high-pressure pump timing gears periphery and advise after the accessories such as lid, pull down gear, align.
Inventor, in realizing process of the present utility model, finds that prior art at least exists following defect:
The accessories such as dismounting water tank, crank pulley, generator, belt tension axle, stone rule lid are time-consuming, effort, and cause the unnecessary loss of other devices.
Utility model content
On the one hand, the utility model provides a kind of gear to extract structure, and for gear is removed from turning cylinder, described gear is provided with at least one screwed hole, and described gear is extracted structure and comprised: matrix, is provided with a tapped through hole and at least one limiting through hole; One liftout bolt, mates with described tapped through hole, from a side of described tapped through hole, penetrates, and opposite side passes, for withstanding described turning cylinder; And at least one fastening bolt, mate with the screwed hole of described gear, from a side of described limiting through hole, penetrate, opposite side passes, and its bolt head is stuck in described limiting through hole place, for being connected with described gear.
Preferably, described limiting through hole, comprises two, and two described limiting through hole are symmetrical about described tapped through hole; Described fastening bolt, comprises two, and corresponding one by one with described limiting through hole.
Preferably, described limiting through hole, is strip through hole.
Preferably, described strip through hole, its hole wall away from described tapped through hole one end is provided with breach.
Preferably, described matrix, the metal material that is greater than 400MPa by tensile strength is made.
Preferably, described liftout bolt, is 5.6 grades or 8.8 grade bolts.
Preferably, described fastening bolt, is 5.6 grades or 8.8 grade bolts.
On the other hand, the utility model provides a kind of gear method for pulling out, for gear is removed from turning cylinder, described gear is provided with at least one screwed hole, described method comprises: the tapped through hole of above-mentioned gear being extracted to structure is aimed at described turning cylinder, described gear is extracted to the limiting through hole of structure and is aimed at described screwed hole; Turn described fastening bolt, it is fixedly connected with described gear; Turn described liftout bolt, make it withstand described turning cylinder; Continue to turn described liftout bolt, make described gear together leave described turning cylinder with described matrix.
By technique scheme, the gear that the utility model provides is extracted structure and is at least had following advantages:
The gear that the utility model provides is extracted structure, by first by gear and matrix, fixedly shape is in aggregates, apply downward power then to the turning cylinder of described gear, utilize the interaction of power, make described gear together leave its turning cylinder with described matrix, realized the object of removing gear.Utilize the gear that the utility model provides to extract structure, without removing gear other appurtenances around, gear can be removed from its turning cylinder, greatly saved the time of removing gear, improved operating efficiency; Meanwhile, due to without removing other appurtenances, reduce the wearing and tearing to miscellaneous part, extended the service life of complete machine.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is that the gear that the utility model embodiment 1 provides is extracted structure scheme of installation;
Fig. 2 is that the gear that the utility model embodiment 2 provides is extracted structure scheme of installation;
Fig. 3 is that the gear that the utility model embodiment 2 provides is extracted the basal body structure schematic diagram of structure;
Fig. 4 is the A-A direction cutaway view of Fig. 3.
The specific embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined utility model object is taked, below in conjunction with accompanying drawing and preferred embodiment, to extracting its specific embodiment of structure, structure, feature and effect thereof according to the gear the utility model proposes, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiment " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
Embodiment 1
As shown in Figure 1, a kind of gear that an embodiment of the present utility model proposes is extracted structure 10, for gear 20 is removed from turning cylinder (not shown), gear 20 is provided with a screwed hole 201, and gear is extracted structure 10 and comprised matrix 11, a liftout bolt 12 and a fastening bolt 13.Wherein, matrix 11 is provided with a tapped through hole 111 and a limiting through hole 112; The external screw thread of liftout bolt 12 mates with the internal thread of tapped through hole 111, and liftout bolt 12 penetrates from a side of tapped through hole 111, and opposite side passes, for withstanding described turning cylinder; The external screw thread of fastening bolt 13 mates with the internal thread of the screwed hole 201 of gear 20, for being connected with gear 20, fastening bolt 13 penetrates from a side of limiting through hole 112, opposite side passes, the bolt head size of fastening bolt 13 is greater than the size of passing through of limiting through hole 112, and the bolt head of fastening bolt 13 is stuck in limiting through hole 112 places.
Referring to Fig. 1, the gear that uses the utility model embodiment to provide extract structure 10 by gear 20 when its turning cylinder is removed, first the tapped through hole of matrix 11 111 is aimed to the turning cylinder of gears 20, the limiting through hole 112 of matrix 11 is aimed at the screwed hole 201 of gears 20; Then fastening bolt 13 is penetrated from a side of limiting through hole 112, opposite side passes, be screwed into gear 20 screwed hole 201 in, the bolt head of fastening bolt 13 is stuck in limiting through hole 112 places, and matrix 11 is fixedly connected with gear 20; Finally, liftout bolt 12 is penetrated from a side of tapped through hole 111, opposite side passes, until withstand described turning cylinder, continues to turn liftout bolt 12, liftout bolt 12 is given the downward power of described turning cylinder one, because the effect of power is mutual, described turning cylinder extracts the power that structure 10 1 makes progress to kind of a gear, under the effect of this power, matrix 11 driven gears 20 together leave described turning cylinder, realize gear 20 is removed from its turning cylinder.
The gear that the utility model embodiment provides is extracted structure, by first by gear and matrix, fixedly shape is in aggregates, apply downward power then to the turning cylinder of described gear, utilize the interaction of power, make described gear together leave its turning cylinder with described matrix, realized the object of removing gear.The gear that utilizes the utility model embodiment to provide is extracted structure, without removing gear other appurtenances around, gear can be removed from its turning cylinder, has greatly saved the time of removing gear, has improved operating efficiency; Meanwhile, due to without removing other appurtenances, reduce the wearing and tearing to miscellaneous part, extended the service life of complete machine.
Preferably, referring to Fig. 1, limiting through hole 112 is strip through hole.By limiting through hole 112 is designed to strip, by slip fastening bolt 13, be its position in limiting through hole 112 of capable of regulating, make gear extract structure 10 and can remove the gear 20 that screwed hole 201 is not identical with distance between axles, expanded the scope of application that gear is extracted structure 10.
Embodiment 2
As shown in Figure 2, a kind of gear that an embodiment of the present utility model proposes is extracted structure 10, for gear 20 is removed from turning cylinder (not shown), gear 20 is provided with at least two screwed holes 201, in the present embodiment, two screwed holes 201 are identical and symmetrical about driving shaft, and in other embodiments, two screwed holes 201 can be the screwed hole of different inner diameters and/or internal thread.Compare with embodiment 1, the difference that the gear of the present embodiment is extracted structure 10 is: referring to Fig. 3 and Fig. 4, matrix 11 is provided with a tapped through hole 111 and 112, two limiting through hole 112 of two limiting through hole about tapped through hole 111 symmetries; Gear is extracted structure 10 and is comprised that 13, two fastening bolts 13 of two fastening bolts are corresponding one by one with limiting through hole 112.
Referring to Fig. 2, the gear that uses the utility model embodiment to provide extract structure 10 by gear 20 when its turning cylinder is removed, first the tapped through hole of matrix 11 111 is aimed to the turning cylinder of gear 20, two limiting through hole 112 of matrix 11 are aimed at respectively two screwed holes 201 of gear 20; Then left side fastening bolt 13 is penetrated from a side of left side limiting through hole 112, opposite side passes, be screwed in the screwed hole 201 in left side of gear 20, the bolt head of left side fastening bolt 13 is stuck in limiting through hole 112 places, left side, matrix 11 left sides are fixedly connected with the left side of gear 20, same method, is fixedly connected with matrix 11 right-hand parts by right side fastening bolt 13 with the right-hand part of gear 20; Finally, liftout bolt 12 is penetrated from a side of tapped through hole 111, opposite side passes, until withstand described turning cylinder, continues to turn liftout bolt 12, liftout bolt 12 is given the downward power of described turning cylinder one, because the effect of power is mutual, described turning cylinder extracts the power that structure 10 1 makes progress to kind of a gear, under the effect of this power, matrix 11 driven gears 20 together leave described turning cylinder, realize gear 20 is removed from its turning cylinder.
The gear that the utility model embodiment provides is extracted structure, by first by gear and matrix, fixedly shape is in aggregates, apply downward power then to the turning cylinder of described gear, utilize the interaction of power, make described gear together leave its turning cylinder with described matrix, realized the object of removing gear.The gear that utilizes the utility model embodiment to provide is extracted structure, without removing gear other appurtenances around, gear can be removed from its turning cylinder, has greatly saved the time of removing gear, has improved operating efficiency; Meanwhile, due to without removing other appurtenances, reduce the wearing and tearing to miscellaneous part, extended the service life of complete machine; Because two fastening bolts are fixed gear and matrix from the both sides of gear respectively, make gear stress equalization when extracting, the gear failure having caused due to unbalance stress while having avoided extracting.
Preferably, referring to Fig. 2, limiting through hole 112 is strip through hole.By limiting through hole 112 is designed to strip, by slip fastening bolt 13, be its position in limiting through hole 112 of capable of regulating, make gear extract structure 10 and can remove the gear 20 that screwed hole 201 is not identical with distance between axles, expanded the scope of application that gear is extracted structure 10.
Preferably, limiting through hole 112 is provided with breach away from the hole wall of one end of tapped through hole 111, and fastening bolt 13 can directly skid off or slip into limiting through hole 112 from described indentation, there.By breach is set, when fastening bolt 13 and matrix 11 are installed, only fastening bolt need be slipped in limiting through hole 112 from described indentation, there, saved the set-up time.
Preferably, the metal material that matrix 11 is greater than 400MPa by tensile strength is made.Owing to thering is certain active force between gear and its turning cylinder, if gear will be extracted from its turning cylinder, need to apply larger active force to matrix 11, if the tensile strength of matrix 11 is too small, easily cause gear not yet to be extracted, matrix 11 is in damaged condition; When the tensile strength of matrix 11 is greater than 400MPa, can guarantee most of gear safe and reliable be pulled out time matrix 11 not impaired.
Preferably, liftout bolt 12 is 5.6 grades or 8.8 grade bolts.Owing to thering is certain active force between gear and its turning cylinder, if gear will be extracted from its turning cylinder, need to apply larger active force to its turning cylinder, if the intensity of liftout bolt 12 is too small, easily cause gear not yet to be extracted, liftout bolt 12 is in damaged condition; When liftout bolt 12 is 5.6 grades or 8.8 grade bolt, can guarantee most of gear safe and reliable be pulled out time liftout bolt 12 not impaired.
Preferably, fastening bolt 13 is 5.6 grades or 8.8 grade bolts.Owing to thering is certain active force between gear and its turning cylinder, if gear will be extracted from its turning cylinder, between gear 20 and matrix 11, there is larger active force, if the intensity of fastening bolt 13 is too small, easily cause gear not yet to be extracted, fastening bolt 13 is in damaged condition, causes gear 20 together to extract with matrix 11; When fastening bolt 13 is 5.6 grades or 8.8 grade bolt, can guarantee most of gear safe and reliable be pulled out time fastening bolt 13 not impaired.
Embodiment 3
The utility model embodiment provides a kind of gear method for pulling out, and for gear is removed from turning cylinder, described gear is provided with at least one screwed hole, and the gear that described method is used embodiment 1 or 2 to provide is extracted structure and realized, and described method comprises:
Described gear is extracted to the tapped through hole of structure and aimed at described turning cylinder, described gear is extracted to the limiting through hole of structure and aimed at described screwed hole;
Turn described fastening bolt, it is fixedly connected with described gear;
Turn described liftout bolt, make it withstand described turning cylinder;
Continue to turn described liftout bolt, make described gear together leave described turning cylinder with described matrix.
The gear method for pulling out that the utility model embodiment provides, by first by gear and matrix, fixedly shape is in aggregates, apply downward power then to the turning cylinder of described gear, utilize the interaction of power, make described gear together leave its turning cylinder with described matrix, realized the object of removing gear.The gear method for pulling out that utilizes the utility model embodiment to provide, can remove gear without removing gear other appurtenances around from its turning cylinder, greatly saved the time of removing gear, has improved operating efficiency; Meanwhile, due to without removing other appurtenances, reduce the wearing and tearing to miscellaneous part, extended the service life of complete machine.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. gear is extracted a structure, and for gear is removed from turning cylinder, described gear is provided with at least one screwed hole, it is characterized in that, described gear is extracted structure and comprised:
Matrix, is provided with a tapped through hole and at least one limiting through hole;
One liftout bolt, mates with described tapped through hole, from a side of described tapped through hole, penetrates, and opposite side passes, for withstanding described turning cylinder; And
At least one fastening bolt, mates with the screwed hole of described gear, from a side of described limiting through hole, penetrates, and opposite side passes, and its bolt head is stuck in described limiting through hole place, for being connected with described gear.
2. gear according to claim 1 is extracted structure, it is characterized in that:
Described limiting through hole, comprises two, and two described limiting through hole are symmetrical about described tapped through hole;
Described fastening bolt, comprises two, and corresponding one by one with described limiting through hole.
3. gear according to claim 1 and 2 is extracted structure, it is characterized in that:
Described limiting through hole is strip through hole.
4. gear according to claim 3 is extracted structure, it is characterized in that:
Described strip through hole, its hole wall away from described tapped through hole one end is provided with breach.
5. gear according to claim 1 and 2 is extracted structure, it is characterized in that:
Described matrix, the metal material that is greater than 400MPa by tensile strength is made.
6. gear according to claim 5 is extracted structure, it is characterized in that:
Described liftout bolt is 5.6 grades or 8.8 grade bolts.
7. gear according to claim 5 is extracted structure, it is characterized in that:
Described fastening bolt is 5.6 grades or 8.8 grade bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320684876.3U CN203510095U (en) | 2013-10-31 | 2013-10-31 | Gear pull-out structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320684876.3U CN203510095U (en) | 2013-10-31 | 2013-10-31 | Gear pull-out structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203510095U true CN203510095U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320684876.3U Expired - Lifetime CN203510095U (en) | 2013-10-31 | 2013-10-31 | Gear pull-out structure |
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| Country | Link |
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| CN (1) | CN203510095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589265A (en) * | 2013-10-31 | 2015-05-06 | 国家电网公司 | Gear pulling out structure and method |
| CN108015714A (en) * | 2017-12-06 | 2018-05-11 | 中车大连机车车辆有限公司 | Locomotive separates the tooling device and method of driving and driven gear |
| CN111015589A (en) * | 2019-12-31 | 2020-04-17 | 广西玉柴机器股份有限公司 | Injection pump gear drawing tool |
-
2013
- 2013-10-31 CN CN201320684876.3U patent/CN203510095U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589265A (en) * | 2013-10-31 | 2015-05-06 | 国家电网公司 | Gear pulling out structure and method |
| CN108015714A (en) * | 2017-12-06 | 2018-05-11 | 中车大连机车车辆有限公司 | Locomotive separates the tooling device and method of driving and driven gear |
| CN108015714B (en) * | 2017-12-06 | 2019-06-21 | 中车大连机车车辆有限公司 | Locomotive separates the tooling device and method of driving and driven gear |
| CN111015589A (en) * | 2019-12-31 | 2020-04-17 | 广西玉柴机器股份有限公司 | Injection pump gear drawing tool |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |