CN111520417A - Special drum-shaped tooth coupling for full-dull reaction kettle and mounting method thereof - Google Patents
Special drum-shaped tooth coupling for full-dull reaction kettle and mounting method thereof Download PDFInfo
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- CN111520417A CN111520417A CN202010505998.6A CN202010505998A CN111520417A CN 111520417 A CN111520417 A CN 111520417A CN 202010505998 A CN202010505998 A CN 202010505998A CN 111520417 A CN111520417 A CN 111520417A
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/841—Open covers, e.g. guards for agricultural p.t.o. shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
- F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a special drum-shaped gear coupling for a full-dull reaction kettle and an installation method thereof, and the drum-shaped gear coupling comprises a coupling body, wherein the coupling body comprises an external gear shaft sleeve, an internal gear shaft sleeve and a connecting shaft sleeve, an external gear ring is fixedly arranged on the outer surface of the external gear shaft sleeve, an internal gear ring is fixedly arranged on the outer surface of the internal gear shaft sleeve, the internal gear ring and the external gear ring are respectively meshed and connected with matched gear rings on two sides of an inner cavity of the connecting shaft sleeve, two frustum grooves which correspond up and down are respectively arranged at the inner ring position of an internal gear sealing plate and the inner ring position of an external gear sealing plate, convex blocks are respectively matched and connected inside the four frustum grooves, and the four convex blocks are respectively correspondingly arranged at the upper surface and the lower surface of the external gear shaft sleeve and the upper surface and the lower surface of the internal gear shaft sleeve. Meanwhile, the injected lubricating grease is prevented from leaking out, and the abrasion is reduced.
Description
Technical Field
The invention relates to a drum-shaped tooth coupler, in particular to a drum-shaped tooth coupler special for a full-dull reaction kettle and an installation method thereof, and belongs to the technical field of couplers.
Background
The broad understanding of the reaction vessel is that there is a physical or chemical reaction vessel, through the structural design and parameter configuration of the vessel, the heating, evaporation, cooling and low-speed mixing functions of the process requirements are realized, the reaction vessel is widely applied to petroleum, chemical engineering, rubber, pesticides, dyes, medicines, foods, and pressure vessels for completing the processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation, etc., such as reactors, reaction pots, decomposing pots, polymerization vessels, etc.; the material is generally carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel, Inconel) alloy and other composite materials.
Inside rabbling mechanism of reation kettle needs to drive the drum-shaped tooth-type shaft coupling through the output shaft of motor, the linkage effect through the drum-shaped tooth-type shaft coupling realizes the rotation stirring operation of rabbling mechanism, the drum-shaped tooth-type shaft coupling belongs to rigid flexible shaft coupling, have radial, axial and angular equiaxial line deviation compensation ability, compare with CL type straight-tooth type shaft coupling, compact structure has, turning radius is little, bearing capacity is big, high transmission efficiency, the noise is low and advantages such as maintenance cycle length, however current drum-shaped tooth-type shaft coupling still has the installation inconvenience, the installation is comparatively loaded down with trivial details, consume more time, and the cooperation gap between axle and the shaft coupling is great, the dust gets into easily and leads to inside lubricating oil inefficacy, cause the aggravation wearing and tearing, influence the.
Disclosure of Invention
The invention aims to provide a special drum-shaped tooth coupler for a full-dull reaction kettle and an installation method thereof, and aims to solve the problems that the installation is inconvenient, the installation is complicated, the fit gap between a shaft and the coupler is large, dust easily enters the coupler to cause the failure of internal lubricating oil, and the abrasion is aggravated in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special drum type tooth shaft coupling of full extinction reation kettle, includes the shaft coupling body, the shaft coupling body includes external tooth axle sleeve, internal tooth axle sleeve and connecting axle sleeve, the external fixed surface of external tooth axle sleeve is equipped with outer ring gear, the external fixed surface of internal tooth axle sleeve is equipped with the ring gear, ring gear and outer ring gear are connected with the cooperation ring gear meshing of connecting axle sleeve inner chamber both sides respectively, the gap block of connecting axle sleeve one end is equipped with the external tooth shrouding, the gap block of connecting the axle sleeve other end is equipped with the internal tooth shrouding, the terrace groove that corresponds about two is all seted up in the inner circle department of internal tooth shrouding and the inner circle department of external tooth shrouding, four the inside in terrace groove all cooperates and is connected with the lug, four the lug all corresponds the upper.
As a preferable technical scheme of the invention, a round boss is fixedly arranged on the surface of the middle part of the connecting shaft sleeve, two symmetrical mounting grooves are fixedly arranged on the surface of the round boss, sliding blocks are connected inside the two mounting grooves in a sliding manner, and the two sliding blocks are respectively arranged at the inner ring of the arranged brake wheel.
As a preferable technical scheme of the invention, an outer shaft pore passage is formed in the middle of the outer gear shaft sleeve, and two vertically symmetrical splines are fixedly arranged inside the outer shaft pore passage.
As a preferred technical scheme of the invention, an inner shaft pore passage is formed in the middle of the inner tooth shaft sleeve, and two round-head keys which are symmetrical up and down are fixedly arranged inside the inner shaft pore passage.
As a preferable technical solution of the present invention, the end surfaces of the internal tooth seal plates and the end surfaces of the external tooth seal plates are both connected with the end surfaces of the two ends of the connecting shaft sleeve by bolts distributed annularly.
As a preferable technical scheme of the invention, the top end surface of the connecting shaft sleeve is provided with an oil injection hole channel, and the oil injection hole channel is communicated with one of the matched gear rings.
As a preferred technical scheme of the present invention, O-ring seals are disposed between the external tooth sealing plate and the external gear ring, and between the internal tooth sealing plate and the internal gear ring.
The invention discloses an installation method of a special drum-shaped tooth coupler for a full-dull reaction kettle, which is a preferable technical scheme of the invention.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the special drum-shaped tooth coupler for the full-dull reaction kettle and the mounting method of the special drum-shaped tooth coupler, the external tooth sealing plate and the internal tooth sealing plate are arranged, and the sealing effect of the O-shaped sealing ring is matched, so that dust and water can be effectively prevented from entering, the service life of the coupler body is prolonged, the running stability is improved, injected lubricating grease is prevented from leaking, and abrasion is reduced.
2. According to the drum-shaped gear coupling special for the full-dull reaction kettle and the mounting method of the drum-shaped gear coupling, the spline and the round-head key are arranged, the mounting form of the key groove type is adopted, hot assembling and cold assembling are not needed during assembling, the drum-shaped gear coupling can be smoothly mounted only by screwing the bolt, and the drum-shaped gear coupling can be smoothly dismounted only by dismounting the bolt during dismounting, so that the mounting or overhauling time of equipment can be greatly saved, energy is saved, and the secondary utilization of the coupling body is realized.
3. According to the special drum-shaped tooth coupler for the full-dull reaction kettle and the installation method of the drum-shaped tooth coupler, the slider, the installation groove and the brake wheel are arranged, so that the brake wheel can be conveniently and quickly installed and detached, the coupler body has a good transmission effect, the fault rate is reduced, and the service life of the coupler body is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a coupling body of the present invention;
FIG. 2 is an internal schematic view of an externally toothed sleeve and an internally toothed sleeve of the present invention;
FIG. 3 is a schematic side view of the coupling body according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B.
In the figure: 1. an external gear shaft sleeve; 2. an internally toothed shaft sleeve; 3. an outer shaft bore; 4. an inner shaft bore; 5. a spline; 6. a round-head key; 7. an external tooth sealing plate; 8. matching the gear ring; 9. an oil injection pore channel; 10. an inner gear ring; 11. an outer ring gear; 12. connecting the shaft sleeve; 13. a bolt; 14. a bump; 15. a prismatic table groove; 16. an internal tooth sealing plate; 17. a brake wheel; 18. a circular boss; 19. a slider; 20. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution of a special drum-shaped gear coupling for a full-dull reaction kettle:
according to fig. 1-5, the coupler comprises a coupler body, the coupler body comprises an external gear sleeve 1, an internal gear sleeve 2 and a connecting shaft sleeve 12, an external gear ring 11 is fixed on the outer surface of the external gear sleeve 1, an internal gear ring 10 is fixed on the outer surface of the internal gear sleeve 2, the internal gear ring 10 and the external gear ring 11 are respectively meshed with a matching gear ring 8 on two sides of an inner cavity of the connecting shaft sleeve 12, an external gear closing plate 7 is arranged on a gap clamp at one end of the connecting shaft sleeve 12, an internal gear closing plate 16 is arranged on a gap clamp at the other end of the connecting shaft sleeve 12, two prismatic table grooves 15 corresponding up and down are respectively arranged at the inner ring position of the internal gear closing plate 16 and the inner ring position of the external gear closing plate 7, convex blocks 14 are respectively connected inside the four prismatic table grooves 15 in.
According to the drawings of fig. 1 and fig. 2, a circular boss 18 is fixedly arranged on the surface of the middle part of a connecting shaft sleeve 12, two symmetrical mounting grooves 20 are fixedly arranged on the surface of the circular boss 18, sliders 19 are slidably connected inside the two mounting grooves 20 respectively, the two sliders 19 are respectively arranged at the inner ring of a brake wheel 17, the transmission effect is good, the failure rate is reduced, the service life of a coupler body is prolonged, an outer shaft pore passage 3 is formed in the middle part of an outer shaft sleeve 1, two vertically symmetrical splines 5 are fixedly arranged inside the outer shaft pore passage 3, the external power supply output shaft is convenient to rapidly mount, the high-speed transmission is convenient, an inner shaft pore passage 4 is formed in the middle part of an inner gear sleeve 2, two vertically symmetrical round-head keys 6 are fixedly arranged inside the inner shaft pore passage 4, the rotating shaft of an external reaction kettle is convenient to rapidly mount, the use is convenient, the end surface of an inner gear seal plate 16 and the end surface of an, the external tooth shaft sleeve 1 and the internal tooth shaft sleeve 2 are convenient to limit and clamp, the top end surface of the connecting shaft sleeve 12 is provided with an oil injection hole channel 9, the oil injection hole channel 9 is communicated with one of the matched gear rings 8, so that lubricating oil can be conveniently added for lubrication, the abrasion is reduced,
o-shaped sealing rings are arranged between the external tooth sealing plate 7 and the external gear ring 11 and between the internal tooth sealing plate 16 and the internal gear ring 10, and the sealing performance and the protection performance are further improved.
When the full-dull reaction kettle special drum-shaped tooth coupler is used specifically, when the coupler body is installed, the two splines 5 inside the outer shaft pore passage 3 are connected with the key grooves on the surface of the output shaft of the external motor, the two round-head keys 6 inside the inner shaft pore passage 4 are connected with the flat grooves on the surface of the external transmission shaft, the external gear shaft sleeve 1 can clamp the output shaft of the external motor by screwing the bolts 13 annularly distributed on the surface of the external gear sealing plate 7, the internal gear shaft sleeve 2 can clamp the external transmission shaft by screwing the bolts 13 annularly distributed on the surface of the internal gear sealing plate 16, the installation form of the key groove type is adopted, hot-assembling and cold-assembling are not needed during assembling, the installation can be smoothly carried out only by screwing the bolts 13, the installation can be smoothly carried out only by dismounting the bolts 13, and therefore, the installation or maintenance time of equipment can be greatly saved, the energy is saved, the secondary utilization of the coupler body is realized, lubricating grease is added into the coupler body through the oil injection pore passage 9 for lubrication, and the abrasion of the external tooth shaft sleeve 1 and the internal tooth shaft sleeve 2 is reduced.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a special drum type tooth shaft coupling of full extinction reation kettle, includes the shaft coupling body, its characterized in that, the shaft coupling body includes external tooth axle sleeve (1), internal tooth axle sleeve (2) and connecting axle sleeve (12), the external fixed surface of external tooth axle sleeve (1) is equipped with outer ring gear (11), the external fixed surface of internal tooth axle sleeve (2) is equipped with ring gear (10), ring gear (10) and outer ring gear (11) are connected with the cooperation ring gear (8) meshing of connecting axle sleeve (12) inner chamber both sides respectively, the gap block of connecting axle sleeve (12) one end is equipped with external tooth shrouding (7), the gap block of connecting axle sleeve (12) other end is equipped with internal tooth shrouding (16), the inner circle department of shrouding internal tooth (16) and the inner circle department of external tooth shrouding (7) all set up two frustum grooves (15) that correspond from top to bottom, four the inside of frustum groove (15), the four lugs (14) are correspondingly arranged on the upper surface and the lower surface of the external gear shaft sleeve (1) and the upper surface and the lower surface of the internal gear shaft sleeve (2).
2. The special drum-shaped gear coupling for the full-dull reaction kettle according to claim 1, wherein: the fixed round boss (18) that is equipped with in middle part surface department of connecting axle sleeve (12), the fixed surface of round boss (18) is equipped with two mounting grooves (20) of symmetry, two equal sliding connection in inside of mounting groove (20) has slider (19), and two sliders (19) set up respectively in the inner circle department of braked wheel (17) that are equipped with.
3. The special drum-shaped gear coupling for the full-dull reaction kettle according to claim 1, wherein: an outer shaft hole (3) is formed in the middle of the outer gear shaft sleeve (1), and two vertically symmetrical splines (5) are fixedly arranged inside the outer shaft hole (3).
4. The special drum-shaped gear coupling for the full-dull reaction kettle according to claim 1, wherein: an inner shaft pore passage (4) is formed in the middle of the inner tooth shaft sleeve (2), and two round-head keys (6) which are vertically symmetrical are fixedly arranged inside the inner shaft pore passage (4).
5. The special drum-shaped gear coupling for the full-dull reaction kettle according to claim 1, wherein: the end surface of the internal tooth sealing plate (16) and the end surface of the external tooth sealing plate (7) are in threaded connection with the end surfaces at the two ends of the connecting shaft sleeve (12) through bolts (13) distributed in an annular mode.
6. The special drum-shaped gear coupling for the full-dull reaction kettle according to claim 1, wherein: an oil injection hole (9) is formed in the top end surface of the connecting shaft sleeve (12), and the oil injection hole (9) is communicated with one of the matching gear rings (8).
7. The special drum-shaped gear coupling for the full-dull reaction kettle according to claim 1, wherein: o-shaped sealing rings are arranged between the external tooth sealing plate (7) and the external gear ring (11) and between the internal tooth sealing plate (16) and the internal gear ring (10).
8. A mounting method of a special drum-shaped tooth coupler for a full-dull reaction kettle is characterized by comprising the following steps: the special drum-shaped tooth coupler for the full-dull reaction kettle is characterized in that the special drum-shaped tooth coupler for the full-dull reaction kettle is according to any one of claims 1 to 7, when the coupler body is installed, two splines (5) inside an outer shaft hole (3) are connected with a key groove on the surface of an output shaft of an external motor, two round-head keys (6) inside an inner shaft hole (4) are connected with a flat groove on the surface of an external transmission shaft, the output shaft of the external motor can be clamped by the outer gear shaft sleeve (1) by screwing bolts (13) distributed on the surface of an outer gear sealing plate (7) in an annular mode, and the external transmission shaft can be clamped by the inner gear shaft sleeve (2) by screwing bolts (13) distributed on the surface of an inner gear sealing plate (16) in an annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505998.6A CN111520417B (en) | 2020-06-05 | 2020-06-05 | Drum-shaped tooth coupler special for full-extinction reaction kettle and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505998.6A CN111520417B (en) | 2020-06-05 | 2020-06-05 | Drum-shaped tooth coupler special for full-extinction reaction kettle and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111520417A true CN111520417A (en) | 2020-08-11 |
| CN111520417B CN111520417B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010505998.6A Active CN111520417B (en) | 2020-06-05 | 2020-06-05 | Drum-shaped tooth coupler special for full-extinction reaction kettle and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111520417B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160004A (en) * | 1991-08-26 | 1992-11-03 | Dana Corporation | Clutch/brake mechanism |
| CN201162783Y (en) * | 2008-02-27 | 2008-12-10 | 袁成 | Drum-shaped teeth type coupling of intermediate shaft type belt braking disc |
| CN101373004A (en) * | 2007-08-22 | 2009-02-25 | 基尔谢中央传动有限公司 | Coupling device |
| CN204628341U (en) * | 2015-05-21 | 2015-09-09 | 山西豪钢锻造有限公司 | Press machine friction disk securing means |
| CN205689630U (en) * | 2016-06-06 | 2016-11-16 | 绵阳国顺电气有限公司 | A kind of flexible coupling of wind power generating set |
| CN107676399A (en) * | 2017-10-31 | 2018-02-09 | 镇江索达联轴器有限公司 | A kind of band brake disk drum-type gear coupling for preventing bounce |
| CN209524010U (en) * | 2018-11-20 | 2019-10-22 | 张见宝 | Novel overload protection drum-shaped tooth type shaft coupling |
| CN212202887U (en) * | 2020-06-05 | 2020-12-22 | 镇江索达联轴器有限公司 | Special drum-shaped tooth coupling for full-dull reaction kettle |
-
2020
- 2020-06-05 CN CN202010505998.6A patent/CN111520417B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160004A (en) * | 1991-08-26 | 1992-11-03 | Dana Corporation | Clutch/brake mechanism |
| CN101373004A (en) * | 2007-08-22 | 2009-02-25 | 基尔谢中央传动有限公司 | Coupling device |
| CN201162783Y (en) * | 2008-02-27 | 2008-12-10 | 袁成 | Drum-shaped teeth type coupling of intermediate shaft type belt braking disc |
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