CN207189562U - A kind of gear disassembling instrument - Google Patents
A kind of gear disassembling instrument Download PDFInfo
- Publication number
- CN207189562U CN207189562U CN201721180540.8U CN201721180540U CN207189562U CN 207189562 U CN207189562 U CN 207189562U CN 201721180540 U CN201721180540 U CN 201721180540U CN 207189562 U CN207189562 U CN 207189562U
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- China
- Prior art keywords
- gear
- jackscrew
- stud
- bottom annulus
- screwed hole
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Abstract
The utility model discloses a kind of gear disassembling instrument, including upper disk and bottom annulus, and jackscrew is equipped with upper disc centre, and the end of jackscrew is for inconsistent with central shaft, and central axis of the jackscrew along the central shaft is set；It is fixedly connected between upper disk and bottom annulus by stud, bottom annulus is used to be bolted to connection with central gear.Gear disassembling instrument in the utility model, set bottom annulus to merge with central gear matching and be fixedly connected, then central shaft and central gear are separated by rotating four corner bolts, it is time saving and energy saving, improve operating efficiency；Stud, both ends are mutually fixed by nut and upper disk and bottom annulus respectively, when the curtailment of four corner bolts is to contradict the bottom of central shaft, the distance between upper disk and central shaft can be adjusted by adjusting the fixed position of stud and upper disk, so as to ensure that central gear and central shaft are separated by four corner bolts.
Description
Technical field
Extracting tool technical field is the utility model is related to, more particularly to a kind of gear disassembling instrument.
Background technology
In production process is polished, central gear (sun gear) is that involute is nibbled with the frock (fabric gear piece) of product
Close, gear wear is than more serious, it is necessary to by central gear (sun tooth) padded or turn-over, to avoid wear surface so as to continue
Production.Central gear is changed for maintenance personal, maximum difficult point is that takes off gear above axle, axle itself
Be interference fit be present with gear, and can have corrosion phenomena after long-time use, axle and gear cooperation quite it is firm.With biography
The drawing marfan's method of system is drawn, and draws the pulling claw of horse to have no idea to hold gear at all, and central gear is closely packed together with axle bed,
Can only slowly be ejected gear come but this method has following open defect from axle with jackscrew：1, jack-up dynamics is inadequate,
Axle and gear are interference fitted, and for a long time in corrosive environment, axle and gear occur corrosion, and jackscrew is difficult to gear from axle bed
Upper jack-up is come；2, jack-up speed is slow, by jackscrew by threaded engagement, rotates jackscrew, is allowed to slowly remove from axle, efficiency pole
It is low；3, jackscrew and silk tooth are perishable, the screw thread easy fracture of jackscrew, easily occur a phenomenon for tooth damage at threaded engagement, and jack up
It is extremely difficult to balance to jack up, jacks up more difficult.At work, gear is removed with jackscrew, required time >=2 hour, if gone out
The phenomenon of jackscrew silk tooth damage, gear disassembling just occurs in existing screw thread damage reaming tapping again again, average dismounting three times
Process wastes time and energy, and operating efficiency is low, and maintenance cost is high.
Utility model content
The purpose of this utility model is to provide a kind of gear disassembling instrument, to solve the above-mentioned problems of the prior art,
It can save maintenance time, it is time saving and energy saving, operating efficiency is improved, reduces maintenance cost.
To achieve the above object, the utility model provides following scheme：The utility model provides a kind of gear disassembling work
Tool, including upper disk and bottom annulus, jackscrew is equipped with the upper disc centre, the end of the jackscrew is used for and central shaft phase
Contradict, and central axis of the jackscrew along the central shaft is set；By double between the upper disk and the bottom annulus
Hook bolt is fixedly connected, and the bottom annulus is used to be bolted to connection with central gear.
Optionally, the center of the upper disk is provided with a symmetrical outwardly thicker region, the thickened area
The area in domain is more than the diameter of the jackscrew, and the jackscrew is worn from the center of the thicker region.
Optionally, the thicker region uses thicker region of the section for circle, and the thicker region and the jackscrew
Center coincide.
Optionally, the jackscrew uses four corner bolts, and the head of four corner bolt is located at the thicker region top, and
Pad is provided between the head of four corner bolt and the thicker region；The screw rod bottom of four corner bolt is used for and institute
It is inconsistent to state central shaft.
Optionally, the quantity of the stud is 3, and the upper disk offers and 3 with the bottom annulus
The corresponding screwed hole of the stud, the stud sequentially pass through from top to bottom the upper disk, bottom annulus and in
Heart gear.
Optionally, the screwed hole includes the first screwed hole and the second screwed hole, opened up on the upper disk for first
Screwed hole, first screwed hole are coordinated with the stud using gap；Opened up on the bottom annulus for the second screw thread
Hole, second screwed hole use interference fits with the stud.
Optionally, the both ends of the surface on the stud with the upper disk are fixed by nut screw.
Optionally, be further opened with some 3rd screwed holes on the bottom annulus, the 3rd screwed hole be used for it is described in
Connection internal thread on heart gear is attached fixation by connecting bolt.
Optionally, offer a groove on the madial wall of the bottom annulus, the groove be used for on the central shaft
Positioning boss carries out cooperation positioning.
Optionally, the bottom annulus is 45# steel matter bottom annulus.
The utility model achieves following technique effect relative to prior art：
1st, set bottom annulus to merge with central gear matching and is fixedly connected, then by rotate four corner bolts by central shaft and
Central gear is separated, time saving and energy saving, improves operating efficiency；
2nd, stud, both ends are mutually fixed by nut and upper disk and bottom annulus respectively, four corner bolts length not
When being enough the bottom for contradicting central shaft, upper disk can be adjusted with by adjusting the fixed position of stud and upper disk
The distance between mandrel, so as to ensure that central gear and central shaft are separated by four corner bolts.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the utility model middle gear extracting tool and central gear, the overall assembling schematic diagram of central shaft；
Fig. 2 is Fig. 1 explosive view；
Fig. 3 a are the sectional view of the utility model midsole annulus, Fig. 3 b be in Fig. 3 a A-A to profile；
Fig. 4 a are the sectional view of upper disk in the utility model, Fig. 4 b be in Fig. 4 a A-A to profile；
Fig. 5 is the structural representation of stud in the utility model；
Fig. 6 is the structural representation of four corner bolts in the utility model；
The installation diagram of gear and central shaft centered on Fig. 7 a, Fig. 7 b are Fig. 7 a top view；Fig. 7 c are Fig. 7 b A-A to cuing open
View；
Wherein, 1 four corner bolt；Disk on 2；3 nuts；4 studs；5 connecting bolts；6 bottom annulus；7 central gears；8
Central shaft；9 the 3rd screwed holes；10 grooves；11 second screwed holes；12 thicker regions；13 first screwed holes；14 positioning boss；15
Counterbore.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of gear disassembling instrument, to solve the above-mentioned problems of the prior art,
It can save maintenance time, it is time saving and energy saving, operating efficiency is improved, reduces maintenance cost.
Gear disassembling instrument provided by the utility model, including upper disk and bottom annulus, top is equipped with upper disc centre
Silk, the end of jackscrew is for inconsistent with central shaft, and central axis of the jackscrew along central shaft is set；Upper disk and bottom annulus
Between be fixedly connected by stud, bottom annulus be used for be bolted to connection with central gear.
Jackscrew, upper disk, bottom annulus and stud form the main body of gear disassembling instrument, by the gear disassembling instrument
It is put on the central gear of polishing, bottom annulus is piled up and is bolted to connection with central gear, by the top of jackscrew
The center of bar centring axle, the center superposition of the tail end Center-to-Center axle top surface of jackscrew, ensure center in same
On line, the head that jackscrew is rotated with spanner can extrude central gear from central shaft.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
Fig. 1-7 are refer to, wherein, Fig. 1 is the utility model middle gear extracting tool and central gear, the entirety of central shaft
Assembling schematic diagram；Fig. 2 is Fig. 1 explosive view；Fig. 3 a are the sectional view of the utility model midsole annulus, and Fig. 3 b are A-A in Fig. 3 a
To profile；Fig. 4 a are the sectional view of upper disk in the utility model, Fig. 4 b be in Fig. 4 a A-A to profile；Fig. 5 is this practicality
The structural representation of new middle stud；Fig. 6 is the structural representation of four corner bolts in the utility model；Tooth centered on Fig. 7 a
The installation diagram of wheel and central shaft, Fig. 7 b are Fig. 7 a top view；Fig. 7 c are Fig. 7 b A-A to sectional view.
As shown in figs. 1-7, the utility model provides a kind of gear disassembling instrument, including upper disk 2 and bottom annulus 6, upper circle
Jackscrew is equipped with the center of disk 2, the end of jackscrew is for inconsistent with central shaft 8, and central axis of the jackscrew along central shaft 8
Set；It is fixedly connected between upper disk 2 and bottom annulus 6 by stud 4, bottom annulus 6 is used to pass through with central gear 7
Bolt is fixedly connected.
The center of upper disk 2 is provided with a symmetrical outwardly thicker region 12, and the area of thicker region 12 is big
In the diameter of jackscrew, and jackscrew is worn from the center of thicker region 12, opened up on upper disk 2 for the first screwed hole 13,.Upper circle
A diameter of 343mm of disk 2, thickness 30mm, a diameter of 60mm of the thicker region 12 of middle, and the thicker region 12 is upward
The thickness that the both ends of the surface of disk 2 are symmetrically protruded is 10mm, and there are the internal thread hole of a M30mm, the circle of upper disk 2 in the center of thicker region 12
A diameter of 16.5mm of 3 the first screwed holes 13 opened up on week.
Bottom annulus 6 is 45# steel matter bottom annulus, and three M16 the second screwed hole 11 is offered on the circumference of bottom annulus 6,
Three M11 the 3rd screwed hole 9 is further opened with, a groove 10 is offered on the madial wall of bottom annulus 6, groove 10 is used for and center
Positioning boss 14 on axle 8 carries out cooperation positioning, and the depth of groove 10 is 11.6mm, width 40mm, and the drift angle of groove 10
Use radius for 3 rounding.
Jackscrew uses four corner bolts 1, and the internal thread hole top that the heads of four corner bolts 1 is located at M30 in thicker region 12 is right
Tightened afterwards by nut 3, and pad is provided between the head of four corner bolts 1 and thicker region 12；The screw rod bottom of four corner bolts 1
Hold for inconsistent with central shaft 8, the overall length of four corner bolts 1 is 190mm.
The quantity of stud 4 is 3, and stud 4 sequentially passes through disk 2, bottom annulus 6 and centre tooth from top to bottom
Counterbore 15 on wheel 7, the reach that the one end of stud 4 is M16 is 50mm, and the reach that the other end is M16 is
100mm, the total length of stud 4 is 350mm.Bottom annulus 6 is locked into one end that the reach of stud 4 is 50mm
M16 internal thread hole, reach is that the 100mm other end is fixed by nut 3 and upper disk 2, by the three of upper disk 2
One end that the reach of stud 4 that individual a diameter of 16.5mm circular hole is directed at three M16 is 100mm, it incite somebody to action both with nut 3
Locking.
Screwed hole includes the first screwed hole 13 and the second screwed hole 11, opened up on upper disk 2 for the first screwed hole 13,
One screwed hole 13 is coordinated with stud 4 using gap；Opened up on bottom annulus 6 for the second screwed hole 11, the second screwed hole 11
Interference fits are used with stud 4.
The specifically used step of the utility model middle gear extracting tool is as follows：
1. gear disassembling instrument is put on the central gear 7 (sun gear) of polishing, by bottom annulus 6 with the weight of central gear 7
Gather into folds, three internal thread holes of 3 diameter 11mm circular hole centring gear 7, central gear 7 has one week to be uniformly distributed 3
Individual diameter M8mm internal thread hole, is locked with M8 connecting bolts 5.
2. by the center of the push rod centring axle 8 of four corner bolts 1, the top of the tail end Center-to-Center axle 8 of four corner bolts 1
Face center superposition, ensure that center rotates four angle heads with wrench on the same line and starts to extrude central gear 7；
3. if central gear 7 can not be pulled out because the length of four corner bolt 1 is short, can use M16 nuts 3 in double threaded screw
On position be adjusted so that the tail end of four corner bolts 1 and the top surface of central shaft 8 are inconsistent.
During using gear disassembling tool ejector gear of the present utility model, the general time of 20 minutes, efficiency improves 6
Times, instrument firm and durable, do not find to damage phenomenon.Gear disassembling instrument of the present utility model is time saving and energy saving, improves operating efficiency,
Reduce maintenance cost.
It should be noted that the related data in the utility model is merely given as one embodiment, this reality is readily appreciated
With new understanding, all numerical value can be adjusted and change in the using and operate of reality, of the present utility model
In protection domain；The selection of bolt can also carry out appropriate conversion according to actual conditions in the utility model, as long as can meet phase
The miscellaneous part for the requirement answered also can, each fall within the scope of protection of the utility model.
Apply specific case in the utility model to be set forth principle of the present utility model and embodiment, the above
The explanation of embodiment is only intended to help and understands method and its core concept of the present utility model；Meanwhile for the one of this area
As technical staff, according to thought of the present utility model, there will be changes in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
- A kind of 1. gear disassembling instrument, it is characterised in that：Including upper disk and bottom annulus, top is equipped with the upper disc centre Silk, the end of the jackscrew is for inconsistent with central shaft, and central axis of the jackscrew along the central shaft is set；Institute State and be fixedly connected between disk and the bottom annulus by stud, the bottom annulus is used to pass through with central gear Bolt is fixedly connected.
- 2. gear disassembling instrument according to claim 1, it is characterised in that：The center of the upper disk is provided with one Symmetrical outwardly thicker region, the area of the thicker region are more than the diameter of the jackscrew, and the jackscrew is from described The center of thicker region is worn.
- 3. gear disassembling instrument according to claim 2, it is characterised in that：The thicker region uses section to be circular Thicker region, and the thicker region and the center of the jackscrew coincide.
- 4. gear disassembling instrument according to claim 2, it is characterised in that：The jackscrew uses four corner bolts, and described four The head of corner bolt is located at the thicker region top, and is provided between the head of four corner bolt and the thicker region Pad；The screw rod bottom of four corner bolt is used for inconsistent with the central shaft.
- 5. gear disassembling instrument according to claim 1, it is characterised in that：The quantity of the stud is 3, and institute State disk and the bottom annulus and offer the screwed hole corresponding with 3 studs, the stud is from upper The upper disk, bottom annulus and central gear are sequentially passed through under.
- 6. gear disassembling instrument according to claim 5, it is characterised in that：The screwed hole includes the first screwed hole and the Two screwed holes, what is opened up on the upper disk uses gap for the first screwed hole, first screwed hole with the stud Coordinate；What is opened up on the bottom annulus uses interference fits for the second screwed hole, second screwed hole with the stud.
- 7. gear disassembling instrument according to claim 5, it is characterised in that：On the stud with the upper disk Both ends of the surface are fixed by nut screw.
- 8. gear disassembling instrument according to claim 1, it is characterised in that：Some three are further opened with the bottom annulus Screwed hole, the 3rd screwed hole are used to be attached admittedly by connecting bolt with the connection internal thread on the central gear It is fixed.
- 9. gear disassembling instrument according to claim 1, it is characterised in that：One is offered on the madial wall of the bottom annulus Groove, the groove are used to carry out cooperation positioning with the positioning boss on the central shaft.
- 10. gear disassembling instrument according to claim 1, it is characterised in that：The bottom annulus is justified for 45# steel matter bottom Ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721180540.8U CN207189562U (en) | 2017-09-14 | 2017-09-14 | A kind of gear disassembling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721180540.8U CN207189562U (en) | 2017-09-14 | 2017-09-14 | A kind of gear disassembling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207189562U true CN207189562U (en) | 2018-04-06 |
Family
ID=61788991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721180540.8U Active CN207189562U (en) | 2017-09-14 | 2017-09-14 | A kind of gear disassembling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207189562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857367A (en) * | 2018-08-23 | 2018-11-23 | 江南造船(集团)有限责任公司 | Marine shafting adjustment ring Bolt dismantling tooling and method for dismounting |
-
2017
- 2017-09-14 CN CN201721180540.8U patent/CN207189562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857367A (en) * | 2018-08-23 | 2018-11-23 | 江南造船(集团)有限责任公司 | Marine shafting adjustment ring Bolt dismantling tooling and method for dismounting |
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