CN104589265A - Gear pulling out structure and method - Google Patents
Gear pulling out structure and method Download PDFInfo
- Publication number
- CN104589265A CN104589265A CN201310532885.5A CN201310532885A CN104589265A CN 104589265 A CN104589265 A CN 104589265A CN 201310532885 A CN201310532885 A CN 201310532885A CN 104589265 A CN104589265 A CN 104589265A
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- China
- Prior art keywords
- gear
- hole
- limiting
- turning cylinder
- bolt
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention relates to a gear pulling out structure and method. The gear pulling out structure and method are used for disassembling a gear from a rotating shaft. The gear is provided with at least one threaded hole. The gear pulling out structure comprises a base body, an ejecting bolt and at least one fastening bolt, wherein the base body is provided with a threaded through hole and at least one limiting through hole; the ejecting bolt is matched with the threaded through hole, penetrates in the threaded through hole from one side and penetrates out from the other side, and is used for supporting the rotating shaft; the fastening bolts are matched with the threaded holes of the gear, penetrate in the limiting through holes from one sides and penetrate out from the other sides, and the bolt heads of the fastening bolts are clamped in the limiting through holes and used for being connected with the gear. By the adoption of the gear pulling out structure, the gear can be disassembled from the rotating shaft of the gear without disassembling other auxiliary components around the gear, the time for disassembling the gear is saved greatly, and working efficiency is improved; meanwhile, due to the fact that the other auxiliary components do not need to be disassembled, abrasion on the other components is reduced, and the service life of a whole machine is prolonged.
Description
Technical field
The present invention relates to a kind of gear and extract structure, belong to gear maintenance field, particularly relate to a kind of gear being convenient to gear maintenance and extract structure.
Background technology
The normal work of engine be unable to do without the accurate opening and closing of inlet and outlet door and the accurate operation of delivery piston, and the precision maneuver of inlet valve, exhaust valve, delivery piston is ensured by timing gears.
When fuel feeding high-pressure pump timing gears and engine timing gear are not inaccurate to easily causing engine oil advance angle time corresponding, thus cause engine power inaccurate.When the engine of this fault appears in maintenance, after usually needing the accessory such as the water tank of dismounting high-pressure pump timing gears periphery, crank pulley, generator, belt tension axle, stone rule lid, pull down gear, align.
Inventor is realizing in process of the present invention, 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.
Summary of the invention
On the one hand, the invention provides a kind of gear and extract structure, for being removed from turning cylinder by gear, 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, and penetrate from the side of described tapped through hole, opposite side passes, for withstanding described turning cylinder; And at least one fastening bolt, mate with the screwed hole of described gear, penetrate from the side of described limiting through hole, 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 described two limiting through hole are symmetrical about described tapped through hole; Described fastening bolt, comprises two, and with described limiting through hole one_to_one corresponding.
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 being 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 invention 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 above-mentioned gear being extracted structure aims at described turning cylinder, and the limiting through hole of described gear being extracted structure aims at described screwed hole; Turn described fastening bolt, make it be 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, structure extracted by gear provided by the invention and gear method for pulling out at least has following advantages:
Structure extracted by gear provided by the invention, in aggregates by first gear and matrix being fixed shape, 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, achieve the object of removing gear.Utilize gear provided by the invention to extract structure, gear can be removed from its turning cylinder without the need to other appurtenances removed around gear, greatly save the time of removing gear, improve operating efficiency; Meanwhile, due to without the need to removing other appurtenances, decreasing the wearing and tearing to miscellaneous part, extending the service life of complete machine.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is that structure installment schematic diagram extracted by the gear that the embodiment of the present invention 1 provides;
Fig. 2 is that structure installment schematic diagram extracted by the gear that the embodiment of the present invention 2 provides;
Fig. 3 is the basal body structure schematic diagram that structure extracted by gear that the embodiment of the present invention 2 provides;
Fig. 4 is the A-A direction sectional view of Fig. 3.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, structure and its detailed description of the invention of gear method for pulling out, structure, feature and effect thereof are extracted to the gear proposed according to the present invention, is described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Embodiment 1
As shown in Figure 1, structure 10 extracted by a kind of gear that one embodiment of the present of invention propose, for being removed from turning cylinder (not shown) by gear 20, gear 20 is provided with a screwed hole 201, and gear is extracted structure 10 and comprised matrix 11, liftout bolt 12 and a fastening bolt 13.Wherein, matrix 11 is provided with 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 the 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 the side of limiting through hole 112, opposite side passes, the bolt head size of fastening bolt 13 be greater than limiting through hole 112 by size, the bolt head of fastening bolt 13 is stuck in limiting through hole 112 place.
See Fig. 1, use the gear that provides of the embodiment of the present invention to extract structure 10 when being removed from its turning cylinder by gear 20, first the tapped through hole 111 of matrix 11 is aimed at the turning cylinder of gear 20, the limiting through hole 112 of matrix 11 aims at the screwed hole 201 of gear 20; Then penetrated the side of fastening bolt 13 from 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 place, and matrix 11 is fixedly connected with gear 20; Finally, the side of liftout bolt 12 from tapped through hole 111 is penetrated, opposite side passes, until withstand described turning cylinder, continues to turn liftout bolt 12, the power that liftout bolt 12 gives described turning cylinder one downward, effect due to power is mutual, and described turning cylinder extracts structure 10 1 power upwards to kind of a gear, under this force, matrix 11 driven gear 20 together leaves described turning cylinder, realizes gear 20 to remove from its turning cylinder.
Structure extracted by the gear that the embodiment of the present invention provides, in aggregates by first gear and matrix being fixed shape, 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, achieve the object of removing gear.Structure extracted by the gear utilizing the embodiment of the present invention to provide, and gear can be removed from its turning cylinder without the need to other appurtenances removed around gear, greatly saves the time of removing gear, improves operating efficiency; Meanwhile, due to without the need to removing other appurtenances, decreasing the wearing and tearing to miscellaneous part, extending the service life of complete machine.
Preferably, see Fig. 1, limiting through hole 112 is strip through hole.By limiting through hole 112 is designed to strip, by slip fastening bolt 13, namely its position in limiting through hole 112 of adjustable, makes gear extract structure 10 and can remove screwed hole 201 gear not identical with distance between axles 20, expand the scope of application that structure 10 extracted by gear.
Embodiment 2
As shown in Figure 2, structure 10 extracted by a kind of gear that one embodiment of the present of invention propose, 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.Compared with embodiment 1, the difference that structure 10 extracted by the gear of the present embodiment is: see Fig. 3 and Fig. 4, and matrix 11 is provided with a tapped through hole 111 and two limiting through hole, 112, two limiting through hole 112 are symmetrical about tapped through hole 111; Gear is extracted structure 10 and is comprised two fastening bolts, 13, two fastening bolts 13 and limiting through hole 112 one_to_one corresponding.
See Fig. 2, the gear that theres is provided of the embodiment of the present invention is used to extract structure 10 when being removed from its turning cylinder by gear 20, first the tapped through hole 111 of matrix 11 is aimed at the turning cylinder of gear 20, two limiting through hole 112 of matrix 11 aim at two screwed holes 201 of gear 20 respectively; Then the side of left side fastening bolt 13 from left side limiting through hole 112 is penetrated, opposite side passes, be screwed in the screwed hole 201 in the left side of gear 20, the bolt head of left side fastening bolt 13 is stuck in limiting through hole 112 place, left side, matrix 11 left side is fixedly connected with the left side of gear 20, same method, is fixedly connected with matrix 11 right-hand part with the right-hand part of gear 20 by right side fastening bolt 13; Finally, the side of liftout bolt 12 from tapped through hole 111 is penetrated, opposite side passes, until withstand described turning cylinder, continues to turn liftout bolt 12, the power that liftout bolt 12 gives described turning cylinder one downward, effect due to power is mutual, and described turning cylinder extracts structure 10 1 power upwards to kind of a gear, under this force, matrix 11 driven gear 20 together leaves described turning cylinder, realizes gear 20 to remove from its turning cylinder.
Structure extracted by the gear that the embodiment of the present invention provides, in aggregates by first gear and matrix being fixed shape, 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, achieve the object of removing gear.Structure extracted by the gear utilizing the embodiment of the present invention to provide, and gear can be removed from its turning cylinder without the need to other appurtenances removed around gear, greatly saves the time of removing gear, improves operating efficiency; Meanwhile, due to without the need to removing other appurtenances, decreasing the wearing and tearing to miscellaneous part, extending the service life of complete machine; Because gear and matrix are fixed from the both sides of gear by two fastening bolts respectively, making gear stress equalization when extracting, avoiding when extracting due to gear failure that unbalance stress causes.
Preferably, see Fig. 2, limiting through hole 112 is strip through hole.By limiting through hole 112 is designed to strip, by slip fastening bolt 13, namely its position in limiting through hole 112 of adjustable, makes gear extract structure 10 and can remove screwed hole 201 gear not identical with distance between axles 20, expand the scope of application that structure 10 extracted by gear.
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 directly can skid off or slip into limiting through hole 112 from described indentation, there.By arranging breach, when installing fastening bolt 13 and matrix 11, only fastening bolt need be slipped in limiting through hole 112 from described indentation, there, saving the set-up time.
Preferably, the metal material that matrix 11 is greater than 400MPa by tensile strength is made.Owing to having certain active force between gear and its turning cylinder, to be extracted from its turning cylinder by gear, 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 ensure most of gear safe and reliable be pulled out while matrix 11 not impaired.
Preferably, liftout bolt 12 is 5.6 grades or 8.8 grade bolts.Owing to having certain active force between gear and its turning cylinder, to be extracted from its turning cylinder by gear, 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 be 5.6 grades or 8.8 grade bolt time, can ensure most of gear safe and reliable be pulled out while liftout bolt 12 not impaired.
Preferably, fastening bolt 13 is 5.6 grades or 8.8 grade bolts.Owing to there is certain active force between gear and its turning cylinder, to gear is 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, gear is easily caused not yet to be extracted, fastening bolt 13 is in damaged condition, causes gear 20 together cannot extract with matrix 11; When fastening bolt 13 be 5.6 grades or 8.8 grade bolt time, can ensure most of gear safe and reliable be pulled out while fastening bolt 13 not impaired.
Embodiment 3
Embodiments provide a kind of gear method for pulling out, for being removed from turning cylinder by gear, described gear is provided with at least one screwed hole, and the gear that described method uses embodiment 1 or 2 to provide is extracted structure and realized, and described method comprises:
The tapped through hole described gear being extracted structure aims at described turning cylinder, and the limiting through hole of described gear being extracted structure aims at described screwed hole;
Turn described fastening bolt, make it be 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 embodiment of the present invention provides, in aggregates by first gear and matrix being fixed shape, 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, achieve the object of removing gear.The gear method for pulling out utilizing the embodiment of the present invention to provide, can remove gear from its turning cylinder without the need to other appurtenances removed around gear, greatly saves the time of removing gear, improves operating efficiency; Meanwhile, due to without the need to removing other appurtenances, decreasing the wearing and tearing to miscellaneous part, extending the service life of complete machine.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a structure extracted by gear, and for being removed from turning cylinder by gear, 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, and penetrate from the side of described tapped through hole, opposite side passes, for withstanding described turning cylinder; And
At least one fastening bolt, mates with the screwed hole of described gear, and penetrate from the side of described limiting through hole, opposite side passes, and its bolt head is stuck in described limiting through hole place, for being connected with described gear.
2. structure extracted by gear according to claim 1, it is characterized in that:
Described limiting through hole, comprises two, and described two limiting through hole are symmetrical about described tapped through hole;
Described fastening bolt, comprises two, and with described limiting through hole one_to_one corresponding.
3. structure extracted by gear according to claim 1 and 2, it is characterized in that:
Described limiting through hole is strip through hole.
4. structure extracted by gear according to claim 3, 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. structure extracted by gear according to claim 1 and 2, it is characterized in that:
Described matrix, the metal material being greater than 400MPa by tensile strength is made.
6. structure extracted by gear according to claim 5, it is characterized in that:
Described liftout bolt is 5.6 grades or 8.8 grade bolts.
7. structure extracted by gear according to claim 5, it is characterized in that:
Described fastening bolt is 5.6 grades or 8.8 grade bolts.
8. a gear method for pulling out, for being removed from turning cylinder by gear, described gear is provided with at least one screwed hole, it is characterized in that, described method comprises:
The tapped through hole that structure extracted by gear described in any one of claim 1-7 is aimed at described turning cylinder, and the limiting through hole of described gear being extracted structure aims at described screwed hole;
Turn described fastening bolt, make it be 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532885.5A CN104589265A (en) | 2013-10-31 | 2013-10-31 | Gear pulling out structure and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532885.5A CN104589265A (en) | 2013-10-31 | 2013-10-31 | Gear pulling out structure and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104589265A true CN104589265A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310532885.5A Pending CN104589265A (en) | 2013-10-31 | 2013-10-31 | Gear pulling out structure and method |
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| Country | Link |
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| CN (1) | CN104589265A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193113A (en) * | 2021-11-30 | 2022-03-18 | 北京航星机器制造有限公司 | Device and method for dismounting heating pipe of thermoforming machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723127Y (en) * | 2004-09-09 | 2005-09-07 | 中国重型汽车集团有限公司 | Bearing dismantling tool |
| CN102284923A (en) * | 2011-06-30 | 2011-12-21 | 天津雷沃动力股份有限公司 | Multipurpose gear pull-out tool |
| CN102371568A (en) * | 2010-08-11 | 2012-03-14 | 克兰专用模具制造股份有限公司 | Device for pressing on a double clutch |
| CN202318192U (en) * | 2011-09-23 | 2012-07-11 | 浙江新凤鸣化纤有限公司 | Auxiliary tool for push installation of film blowing machine screw |
| CN203510095U (en) * | 2013-10-31 | 2014-04-02 | 国家电网公司 | Gear pull-out structure |
-
2013
- 2013-10-31 CN CN201310532885.5A patent/CN104589265A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723127Y (en) * | 2004-09-09 | 2005-09-07 | 中国重型汽车集团有限公司 | Bearing dismantling tool |
| CN102371568A (en) * | 2010-08-11 | 2012-03-14 | 克兰专用模具制造股份有限公司 | Device for pressing on a double clutch |
| CN102284923A (en) * | 2011-06-30 | 2011-12-21 | 天津雷沃动力股份有限公司 | Multipurpose gear pull-out tool |
| CN202318192U (en) * | 2011-09-23 | 2012-07-11 | 浙江新凤鸣化纤有限公司 | Auxiliary tool for push installation of film blowing machine screw |
| CN203510095U (en) * | 2013-10-31 | 2014-04-02 | 国家电网公司 | Gear pull-out structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193113A (en) * | 2021-11-30 | 2022-03-18 | 北京航星机器制造有限公司 | Device and method for dismounting heating pipe of thermoforming machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |
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