CN104265753A - Dual-protection rotating shaft - Google Patents
Dual-protection rotating shaft Download PDFInfo
- Publication number
- CN104265753A CN104265753A CN201410494440.7A CN201410494440A CN104265753A CN 104265753 A CN104265753 A CN 104265753A CN 201410494440 A CN201410494440 A CN 201410494440A CN 104265753 A CN104265753 A CN 104265753A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- sleeve
- shaft body
- elastic sleeve
- buffing pad
- 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.)
- Pending
Links
Landscapes
- Gear Transmission (AREA)
Abstract
The invention relates to a dual-protection rotating shaft. The dual-protection rotating shaft comprises a gear sleeve, a shell, a buffer seat and a rotating shaft body, wherein an inner gear is arranged on the inner wall of a central hole in the gear sleeve, a main gear meshed with the inner gear is arranged at one end of the rotating shaft body, and two ends of the main gear are respectively fixed on the gear sleeve through a fixed nut and a movable nut; the shell is arranged on the outer side of a bulge on the surface of the other end of the rotating shaft body; an elastic sleeve is arranged between the buffer seat at the upper end of the shell and the bulge, symmetric springs are connected between the elastic sleeve and the buffer seat, a friction body is arranged between the elastic sleeve and the bulge, and a buffer pipe communicated with a hydraulic cavity is arranged in the buffer seat. According to the dual-protection rotating shaft, by virtue of a special structure of the gear sleeve as well as a speed-regulating buffer device, torque generated by the rotating shaft in the rotation process is greatly reduced, the workload of the rotating shaft is reduced, the damaged degree and the failure frequency of the rotating shaft are further reduced, the service life of the rotating shaft is prolonged, and the maintaining frequency and the maintaining cost are reduced.
Description
Technical field
The present invention relates to a kind of rotating shaft, specifically a kind of rotating shaft of double protection.
Background technique
In the power equipment of machinery, rotating shaft is as a kind of component of machine, and mainly play the effect connecting power equipment and working equipment, therefore the performance requirement of countershaft is higher.Power is passed to working equipment by rotating shaft by the power that power equipment produces, existing rotating shaft is all rotating shaft be directly connected with power equipment, there is shortcomings in this structure, the torque force countershaft produced as power equipment will produce huge damage, and working life is short, therefore needs running check and maintenance, ensure the normal operation of rotating shaft, and rotating shaft is once occur damaging, its maintenance is more difficult, and maintenance cost is high; And existing rotating shaft transmission structure is all by controlling one end, then working equipment is driven to operate, in the moderating process of rotating shaft, slow down too fast, make the working load of rotating shaft greatly increase and often sustain damage, therefore reduce the working life of rotating shaft greatly, increase maintenance cost.
Summary of the invention
The object of the present invention is to provide a kind of rotating shaft of double protection, to reduce the torque force of power equipment countershaft, and countershaft carries out secondary speed-reducing, reduces the working load of rotating shaft, extends the working life of rotating shaft, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme:
A kind of rotating shaft of double protection, comprise geared sleeve, housing, buffing pad and rotating shaft body, geared sleeve offers center hole in the axial direction, the center bore inner wall of geared sleeve is provided with internal gear, described rotating shaft body one end outer surface is provided with the master gear engaged with internal gear, the two ends of master gear are respectively equipped with set screw nut and traveling nut, described rotating shaft body is by traveling nut and be bolted on geared sleeve, rotating shaft body the other end surface is provided with projection, described housing is arranged on protruding outside, and rotating shaft body passes housing and is flexibly connected with housing, described buffing pad is arranged on the inlet of housing, and buffing pad and case entrances coincide, elastic sleeve is provided with between buffing pad and projection, symmetrical spring is connected with between elastic sleeve and buffing pad, elastic sleeve and buffing pad form hydraulic pressure cavity, elastic sleeve is provided with friction piece, and friction piece is between elastic sleeve and projection, the separator tube with hydraulic chamber into communication is provided with in described buffing pad.
As the further scheme of the present invention: the length of described master gear is the half of rotating shaft body.
As the further scheme of the present invention: described separator tube is S-type
As the present invention's further scheme: described spring is provided with multiple around the circumference of elastic sleeve, and elastic sleeve is along with hydraulic pressure cavity internal pressure deformation retract.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is by the running of external impetus device drives geared sleeve, and then drive shaft rotates, the special construction of the half of rotating shaft body length is accounted for due to master gear, therefore the torque force that rotating shaft produces in rotary course is substantially reduced, reduce damaged condition and the failure frequency of rotating shaft, extend the life-span of rotating shaft; The speed governing buffer be provided with, can reduce the rotating shaft of High Rotation Speed slowly, prevents rotating shaft because of the too fast damage caused of slowing down, and reduces the working load of rotating shaft, again extends the working life of rotating shaft, reduces maintenance frequency and cost, safeguards and overhauls conveniently.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the rotating shaft of double protection.
Fig. 2 is the schematic internal view of the rotating shaft middle gear cover of double protection.
In figure: 1-geared sleeve; 2-rotating shaft body; 3-master gear; 4-internal gear; 5-set screw nut; 6-traveling nut; 7-bolt; 8-is protruding; 9-housing; 10-buffing pad; 11-separator tube; 12-elastic sleeve; 13-spring; 14-friction piece; 15-hydraulic pressure cavity.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 2, in the embodiment of the present invention, a kind of rotating shaft of double protection, comprise geared sleeve 1 and rotating shaft body 2, geared sleeve 1 offers center hole in the axial direction, the center bore inner wall of geared sleeve 1 is provided with internal gear 4, rotating shaft body 2 one end outer surface is provided with the master gear 3 engaged with internal gear 4, the length of master gear 3 is the half of rotating shaft body 2, rotating shaft body 2 is stretched in geared sleeve 1, by engaging of internal gear 4 and master gear 3, geared sleeve 1 drive shaft body 2 rotates, geared sleeve 1 is connected on the output shaft of motor or oil cylinder, the two ends of master gear 3 are respectively equipped with set screw nut 5 and traveling nut 6, rotating shaft body 2 is fixed on geared sleeve 1 by traveling nut 6 and bolt 7, by nuts and bolt by rotating shaft body 2 tightly be fixed in geared sleeve 1, prevent rotating shaft body 2 separating tooth wheel case 1.
Master gear 3 is stretched in geared sleeve 4, power equipment actuation gear cover rotates, thus drive shaft body 2 rotates, and master gear 3 accounts for the half of rotating shaft body 1 length, therefore the torque force that rotating shaft produces in rotary course is substantially reduced, reduce the damage of countershaft, extend the life-span of rotating shaft; And structure of the present invention simply, geared sleeve 1 is easier than rotating shaft body 2 to be damaged, and therefore only needs to change geared sleeve 1, reduces maintenance expenses, safeguards and overhauls conveniently.
Rotating shaft body 2 the other end surface is provided with protruding 8, housing 9 is arranged on the outside of protruding 8, and rotating shaft body 2 passes housing 9 and is flexibly connected with housing 9, rotating shaft body 2 rotates in fixing housing 9, buffing pad 10 is arranged on the inlet of housing 9, and buffing pad 10 coincide with housing 9 import and keeps sealing state, elastic sleeve 12 is provided with between buffing pad 10 and protruding 8, symmetrical spring 13 is connected with between elastic sleeve 12 and buffing pad 10, spring 13 is provided with multiple around the circumference of elastic sleeve 12, elastic sleeve 12 and buffing pad 10 form hydraulic pressure cavity 15, elastic sleeve 12 is along with hydraulic pressure cavity 15 internal pressure deformation retract, elastic sleeve 12 is provided with friction piece 14, and friction piece 14 is between elastic sleeve 12 and protruding 8, friction piece 14 is with protruding 8 processes contacted, protruding 8 can damage, therefore the projection 8 arranged can extend the working life of rotating shaft, the S type separator tube 11 be communicated with hydraulic pressure cavity 15 is provided with in buffing pad 10, in hydraulic pressure cavity 15, hydraulic oil is filled with by separator tube 11, rotating shaft body 2 is when High Rotation Speed, friction piece 14 is in clutch state with the projection 8 on rotating shaft body 2, when rotating shaft body 2 will be controlled to slow down, in buffer cavity 15, hydraulic oil is filled with by the hydraulic controller and separator tube 11 that control the external world, the pressure of hydraulic pressure cavity 15 increases gradually, elastic sleeve 12 shrinks at the deform under pressure of hydraulic oil, friction piece 14 slowly contacts with the projection 8 rotated, pressure is applied in the projection 8 of rotating shaft body 2, the speed of rotating shaft body 2 is slowed down gradually, the damage that reduction rotating shaft body 2 brings because speed reduces fast or damage.
By geared sleeve 1 and buffer speed reducer with the use of, rotating shaft body 2 is better protected in the course of the work, greatly reduces damaged condition and the failure frequency of rotating shaft body 2, extend the working life of rotating shaft body 2.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (4)
1. the rotating shaft of a double protection, comprise geared sleeve (1), housing (9), buffing pad (10) and rotating shaft body (2), it is characterized in that, described geared sleeve (1) offers center hole in the axial direction, the center bore inner wall of geared sleeve (1) is provided with internal gear (4), described rotating shaft body (2) one end outer surface is provided with the master gear (3) engaged with internal gear (4), the two ends of master gear (3) are respectively equipped with set screw nut (5) and traveling nut (6), described rotating shaft body (2) is fixed on geared sleeve (1) by traveling nut (6) and bolt (7), rotating shaft body (2) the other end surface is provided with projection (8), described housing (9) is arranged on the outside of projection (8), and rotating shaft body (2) to be flexibly connected with housing (9) through housing (9), described buffing pad (10) is arranged on the inlet of housing (9), and buffing pad (10) coincide with housing (9) import, elastic sleeve (12) is provided with between buffing pad (10) and protruding (8), symmetrical spring (13) is connected with between elastic sleeve (12) and buffing pad (10), elastic sleeve (12) and buffing pad (10) form hydraulic pressure cavity (15), elastic sleeve (12) is provided with friction piece (14), and friction piece (14) is positioned between elastic sleeve (12) and protruding (8), the separator tube (11) be communicated with hydraulic pressure cavity (15) is provided with in described buffing pad (10).
2. the rotating shaft of double protection according to claim 1, is characterized in that, the length of described master gear (3) is the half of rotating shaft body (2).
3. the rotating shaft of double protection according to claim 1, is characterized in that, described separator tube (11) is S-type.
4. the rotating shaft of double protection according to claim 1, is characterized in that, described spring (13) is provided with multiple around the circumference of elastic sleeve (12), and elastic sleeve (12) is along with hydraulic pressure cavity (15) internal pressure deformation retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494440.7A CN104265753A (en) | 2014-09-24 | 2014-09-24 | Dual-protection rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494440.7A CN104265753A (en) | 2014-09-24 | 2014-09-24 | Dual-protection rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104265753A true CN104265753A (en) | 2015-01-07 |
Family
ID=52157309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410494440.7A Pending CN104265753A (en) | 2014-09-24 | 2014-09-24 | Dual-protection rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581403A (en) * | 2019-09-23 | 2019-12-17 | 深圳国人通信技术服务有限公司 | Feeder line connector arrangement structure and arrangement method thereof |
-
2014
- 2014-09-24 CN CN201410494440.7A patent/CN104265753A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581403A (en) * | 2019-09-23 | 2019-12-17 | 深圳国人通信技术服务有限公司 | Feeder line connector arrangement structure and arrangement method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202301525U (en) | Friction coupling | |
| CN101144525A (en) | Compact hydraulic motor gear reducer | |
| CN104265753A (en) | Dual-protection rotating shaft | |
| CN204127091U (en) | The rotating shaft of double protection | |
| CN104110445B (en) | Winning machine cutting part Motor torque axle protection mechanism | |
| CN105299146A (en) | Reduction drive system for stereo garage with damping gears | |
| CN205349907U (en) | Swing oil cylinder | |
| CN204420021U (en) | A kind of two sun gear speed change gear | |
| CN102287519A (en) | Flexible connection input module for gear speed reducer | |
| CN204083055U (en) | A kind of hydraulic variable damping torsional vibration damper | |
| CN204127264U (en) | A kind of rotating shaft with geared sleeve | |
| CN204164264U (en) | A kind of flexible link of reasonable match system | |
| CN202132483U (en) | Flexible connecting input module of gear speed reducer | |
| CN204420039U (en) | A kind of five-pointed star motor band brake transmission device | |
| CN202165551U (en) | Hydraulic motor with brake module and speed reducer | |
| CN203239794U (en) | Floating insert type friction clutch for air compressor | |
| CN203836117U (en) | Lifting device for rock drilling | |
| CN210637412U (en) | Brake | |
| CN203453310U (en) | Spline shaft | |
| CN203948535U (en) | Load-limiting coupler processed is separated in energising | |
| CN104912966B (en) | A kind of caliper brake for large-sized grinder | |
| CN209586975U (en) | A kind of novel elastic pin shaft coupling | |
| CN103423078B (en) | There is single vane motor of radial force collocation structure | |
| CN202611989U (en) | Cycloidal hydraulic motor | |
| CN203656107U (en) | Hydraulic single planetary gear reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150107 |
|
| WD01 | Invention patent application deemed withdrawn after publication |