CN102545477A - Overload protective device of motor - Google Patents
Overload protective device of motor Download PDFInfo
- Publication number
- CN102545477A CN102545477A CN2011100037252A CN201110003725A CN102545477A CN 102545477 A CN102545477 A CN 102545477A CN 2011100037252 A CN2011100037252 A CN 2011100037252A CN 201110003725 A CN201110003725 A CN 201110003725A CN 102545477 A CN102545477 A CN 102545477A
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- drive link
- motor
- overload protection
- pipe
- disk
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Abstract
The invention discloses an overload protective device of a motor. A driving disc comprises a round tube, a round disc is provided with a central through hole which is the same as the inner diameter of the round tube, the round tube is perpendicularly arranged on the disc surface on one side of the round disc, and an axle center of the round tube and an axle center of the central through hole are in the same straight line. A driven disc is rotatably sleeved outside the round tube, one end of a transmission rod is rotatably installed on the round disc, the transmission rod is attached to the outer surface of the driven disc tightly, a V-shaped groove is arranged on the outer surface of the driven disc, a protrusion matched with the V-shaped groove is arranged on one side of the transmission rod facing to the driven disc, the protrusion is clamped in the groove, the other end of the transmission rod is connected with a spring, and the other end of the spring is installed on the round disc. The overload protective device of the motor solves the problem of high cost of an overload protective device in the prior art due to high requirements of processing technology.
Description
Technical field
The present invention relates to a kind of motor overload protection device, relate in particular to a kind of motor overload protection device.
Background technology
In machinery, when axle surpassed the load that can bear, overload protection can prevent to transship and the apparatus that causes damages.
Along with progress of science and technology; The structure of modern mechanical becomes increasingly complex; Function also becomes from strength to strength; Need do reliable protection for driver parts such as motors, commonly used is the torque overload protector at present, and common mechanical type torque overload protector has friction-type overload protective device, ball-type (steel-ball type) overload protective device etc. on the market.
Common torque overload protector in the prior art, like the friction disk type overload protective device, ball-type (steel-ball type) overload protective device etc. are because of its processing technology requires expensive height, repeat to transship shortcomings such as precision reduction.
Summary of the invention
The invention discloses a kind of motor overload protection device, in order to solve the high problem of cost that overload protection arrangement requires height to cause owing to processing technology in the prior art.
Above-mentioned purpose of the present invention realizes through following technical scheme:
A kind of motor overload protection device; Wherein, One driving disc spacing pressing comprises: a pipe, a disk are provided with a central through hole identical with said round tube inside diameter, and said pipe is vertically set on the side panel face of said disk; Said pipe matches with said central through hole, and the axle center of said pipe and the axle center of said central through hole are on same straight line; One clutch plate is rotating to be set in outside the said pipe; One end of one drive link is rotating to be installed on the said disk; The outer surface of said drive link and said clutch plate is close to; Offer v-depression on the outer surface of said clutch plate; Said drive link is provided with the convexity that is complementary with said v-depression towards a side of said clutch plate, and said convexity snaps in said groove; The other end of said drive link links to each other with a spring, and the other end of said spring is installed on the said disk.
Aforesaid motor overload protection device wherein, is provided with axial notch in the said pipe, is arranged on the axial projection in the rotating shaft on the motor in order to coupling, is used for said pipe is linked to each other with the key syndeton with the power transmission shaft of motor.
Aforesaid motor overload protection device, wherein, a drive sprocket is rotating to be set in outside the said pipe, and said drive sprocket is arranged on the side of said clutch plate away from said disk, and said drive sprocket is fixedly connected with said clutch plate.
Aforesaid motor overload protection device, wherein, said drive link links to each other through a bolt with said spring, and said bolt passes said drive link, and said bolt is provided with an adjusting nut, in order to regulate the elasticity of said spring.
Aforesaid motor overload protection device wherein, offers a hanging hole on the said bolt, said spring be provided with one with the hook of said hanging hole coupling, said hook passes said hanging hole.
Aforesaid motor overload protection device; Wherein, Also comprise one second drive link, said second drive link is rotating to be installed on the said disk, and said second drive link and said drive link are installed on the same lateral plates of said disk; And with the center of circle center symmetry of said drive link about disk, said second drive link is identical with the mounting structure of said drive link.
Aforesaid motor overload protection device wherein, offers one second circular hole on the said disk, said second circular hole places and the corresponding position of said drive link mid portion, and an end of a sensing chip passes said second circular hole and is installed on the said drive link; One infrared ray sensor is installed in through a support bar on the base of motor, and the rotating shaft of said infrared ray sensor and motor is arranged on the same straight line, and the other end of said sensing chip and said transducer offset.
Aforesaid motor overload protection device, wherein, said clutch plate is located at outside the said pipe through bearing holder (housing, cover).
In sum, motor overload protection device of the present invention has solved overload protection arrangement in the prior art because processing technology requires the high high problem of cost that causes.
Description of drawings
Fig. 1 is the structural representation of motor overload protection device of the present invention;
Fig. 2 is the structure side view of motor overload protection device of the present invention;
Fig. 3 be motor overload protection device of the present invention A-A to structural representation;
Fig. 4 is the structural representation of the embodiment three of motor overload protection device of the present invention;
Fig. 5 is the structure side view of the embodiment three of motor overload protection device of the present invention.
Embodiment
Be further described below in conjunction with the accompanying drawing specific embodiments of the invention:
Embodiment (one)
Fig. 1 is the structural representation of motor overload protection device of the present invention, and Fig. 2 is the structure side view of motor overload protection device of the present invention, Fig. 3 be motor overload protection device of the present invention A-A to structural representation; See also Fig. 1, Fig. 2, Fig. 3, a kind of motor overload protection device is characterized in that; One driving disc spacing pressing comprises, a pipe 102, one disks 106 be provided with one with the identical central through hole of pipe 102 internal diameters; Pipe 102 is vertically set on the side panel face of disk 106; Pipe 102 matches with central through hole, the axle center of pipe 102 and the axle center of central through hole on same straight line, a clutch plate 103 rotating being set in outside the pipe; One end of one drive link 104 is rotating to be installed on the disk 106; Drive link 104 is close to the outer surface of clutch plate 103, offers v-depression 1031 on the outer surface of clutch plate 103, and drive link 104 is provided with the convexity 1041 that is complementary with v-depression 1031 towards a side of clutch plate 103; Protruding 1041 snap in v-depression 1031; The part that convexity 1041 snaps in v-depression 1031 is close to the inwall of v-depression 1031, and the other end of drive link 104 links to each other with an end of a spring 107, and the other end of spring 107 is installed on the disk 106; Make the convexity 1041 on the drive link 104 engage with v-depression 1031 on the clutch plate; Make clutch plate 103 rotate with driving disc spacing pressing 106 thereby protruding 1041 apply a tangential force to v-depression 1031, the moment of torsion on clutch plate 103 is excessive, when surpassing the load capacity of motor; The pulling force that the radial load that convexity 1041 receives can provide greater than spring 107; Protruding 1041 break away from from v-depression 1031, and driving disc spacing pressing 106 is also removed with the interaction relation of clutch plate 103 simultaneously, through adopt drive link 104 pulling force of spring 107 is converted into protruding 1041 radial load with protruding 1041 be pressed into v-depression 1031 structure; Make that the load of motor can in time break away from when motor overload, avoided motor to cause damage because of long term overloading.
Be provided with axial notch in the pipe 102 in the present embodiment; Be arranged on the axial projection in the rotating shaft on the motor 200 in order to coupling; Be used for pipe 102 is linked to each other with the key syndeton with the power transmission shaft of motor 200, make the present invention 100 can be installed in the rotating shaft of motor 200.
Also comprise a drive sprocket 130 rotating being set in outside the pipe 102 in the present embodiment; Drive sprocket 130 is arranged on the side of clutch plate 103 away from disk 106; And drive sprocket 130 is fixedly connected with clutch plate 103, and drive sprocket 130 is used for the power of motor 200 is sent to external equipment
Offer a hanging hole on the bolt 108 in the present embodiment; Spring 107 is provided with the hook that is complementary with hanging hole; Hook passes hanging hole; Adopt said structures to be connected on spring 107 and bolt 108 and make protruding 1041 after breaking away from v-depression 1031, can reset with drive link 104 protruding 1041 earlier, then hook is passed hanging hole and realize fixingly, adopt The above results to greatly facilitate resetting of overload back convexity.
Clutch plate 103 in the present embodiment is located at outside the pipe 102 through bearing holder (housing, cover).
Embodiment (two)
Fig. 1 is the structural representation of motor overload protection device of the present invention; Fig. 2 is the structure side view of motor overload protection device of the present invention; Fig. 3 be motor overload protection device of the present invention A-A to structural representation, see also Fig. 1, Fig. 2, Fig. 3, on the basis of embodiment one; Motor overload protection device of the present invention also comprises one second drive link 120; Second drive link, 120 rotating being installed on the disk 106, second drive link 120 is installed on the same side card of disk with drive link 104, and symmetrical about the center, the center of circle of disk 106 with drive link 104; Second drive link 120 is identical with the mounting structure of drive link 104; Be provided with a convexity 1201 on second drive link 120 equally and be complementary with second v-depression 1032 that is arranged on the clutch plate 103, second drive link 120 is stuck in convexity 1201 in second v-depression 1032 through 140 tensions of second spring, adopts two drive links and two protruding interlocks that realize clutch plate 103 and driving disc spacing pressing 106; Make its interaction relation stable more, firm, the mounting structure that a plurality of similar drive links also can be set is realized the interlock of driving disc spacing pressing 106 and clutch plate 103.
Embodiment (three)
Fig. 4 is the structural representation of the embodiment three of motor overload protection device of the present invention; Fig. 5 is the structure side view of the embodiment three of motor overload protection device of the present invention; See also Fig. 4, Fig. 5, on the basis of the foregoing description, offer one second circular hole 114 on the disk 106 of motor overload protection device of the present invention; Second circular hole put 114 in the corresponding position of drive link 104 mid portions, an end of a sensing chip 110 passes second circular hole 114 and is installed on the drive link 104; One infrared ray sensor 111 is installed on the base 113 of motor through a support bar 112; Infrared ray sensor 111 is arranged on the same straight line with the rotating shaft of motor 200; The probe of the other end of sensing chip 110 and infrared ray sensor 111 offsets, and in the process that motor runs well, sensing chip 110 contacts with the probe of infrared ray sensor 111 all the time; When overload takes place in motor 200; Protruding 1041 break away from from v-depression 1031, simultaneously drive link 104 are pushed up to the direction away from driving disc spacing pressing 106 centers of circle, thereby make sensing chip 110 break away from the position of the probe of infrared ray sensors 111; And then infrared ray sensor 111 is with signal output, the operation of reporting to the police or cutting off the electricity supply.
The concrete working method of motor overload protection device of the present invention is: the pipe of driving disc spacing pressing is enclosed within on the drive axle of motor; Pipe and drive axle of motor are fixed with the key syndeton; Open motor, the drive link on the driving disc spacing pressing is stuck in convexity in the groove, and the elastic force of spring presses down convexity with the cell wall of v-depression to be close to; And then provide a tangential force to make driving disc spacing pressing to rotate together through the convexity drive clutch plate that is arranged on the drive link; When the situation of overload appearred in motor, the radial load that groove is applied on the convexity offered protruding radial load greater than spring, and convexity breaks away from from v-depression; The interaction relation of driving disc spacing pressing and clutch plate is removed; Simultaneously because protruding from V-shaped groove, the disengaging causes drive link to drive sensing chip to break away from infrared ray sensor, and infrared ray sensor spreads out of signal, external equipment receives reports to the police behind the signal or cuts off the operation of electric current.
In sum, motor overload protection device of the present invention has solved overload protection arrangement in the prior art because processing technology requires the high high problem of cost that causes.
More than specific embodiment of the present invention is described in detail, but it is just as example, the present invention is not restricted to the specific embodiment of above description.To those skilled in the art, any equivalent modifications that the present invention is carried out with substitute also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of being done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (8)
1. motor overload protection device; It is characterized in that; One driving disc spacing pressing comprises: a pipe, a disk are provided with a central through hole identical with said round tube inside diameter, and said pipe is vertically set on the side panel face of said disk; Said pipe matches with said central through hole, and the axle center of said pipe and the axle center of said central through hole are on same straight line; One clutch plate is rotating to be set in outside the said pipe; One end of one drive link is rotating to be installed on the said disk; The outer surface of said drive link and said clutch plate is close to; Offer v-depression on the outer surface of said clutch plate; Said drive link is provided with the convexity that is complementary with said v-depression towards a side of said clutch plate, and said convexity snaps in said groove; The other end of said drive link links to each other with a spring, and the other end of said spring is installed on the said disk.
2. motor overload protection device according to claim 1 is characterized in that, is provided with axial notch in the said pipe, is arranged on the axial projection in the rotating shaft on the motor in order to coupling, is used for said pipe is linked to each other with the key syndeton with the power transmission shaft of motor.
3. motor overload protection device according to claim 1; It is characterized in that; One drive is rotating to be set in outside the said pipe, and said drive sprocket is arranged on the side of said clutch plate away from said disk, and said drive is fixedly connected with said clutch plate.
4. motor overload protection device according to claim 1 is characterized in that, said drive link links to each other through a bolt with said spring, and said bolt passes said drive link, and said bolt is provided with an adjusting nut.
5. motor overload protection device according to claim 4 is characterized in that, offers a hanging hole on the said bolt, said spring be provided with one with the hook of said hanging hole coupling, said hook passes said hanging hole.
6. according to claim 1,4,5 arbitrary described motor overload protection devices; It is characterized in that; Also comprise one second drive link, said second drive link is rotating to be installed on the said disk, and said second drive link and said drive link are installed on the same lateral plates of said disk; And with the center of circle center symmetry of said drive link about disk, said second drive link is identical with the mounting structure of said drive link.
7. motor overload protection device according to claim 1; It is characterized in that; Offer one second circular hole on the said disk, said second circular hole places and the corresponding position of said drive link mid portion, and an end of a sensing chip passes said second circular hole and is installed on the said drive link; One infrared ray sensor is installed in through a support bar on the base of motor, and the rotating shaft of said infrared ray sensor and motor is arranged on the same straight line, and the other end of said sensing chip and said transducer offset.
8. motor overload protection device according to claim 1 is characterized in that said clutch plate is located at outside the said pipe through bearing holder (housing, cover).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100037252A CN102545477A (en) | 2011-01-10 | 2011-01-10 | Overload protective device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100037252A CN102545477A (en) | 2011-01-10 | 2011-01-10 | Overload protective device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102545477A true CN102545477A (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100037252A Pending CN102545477A (en) | 2011-01-10 | 2011-01-10 | Overload protective device of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102545477A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410213A (en) * | 2014-12-15 | 2015-03-11 | 安徽巨一自动化装备有限公司 | Overload protection device of cantilever type mounted motor |
| CN107716126A (en) * | 2017-11-17 | 2018-02-23 | 成都西部石油装备股份有限公司 | A kind of Novel horizontal decanter centrifuge safety guard |
| CN114571849A (en) * | 2022-05-05 | 2022-06-03 | 山东蓝海文化科技有限公司 | Intelligent stencil printing machine |
| WO2024045991A1 (en) * | 2022-08-29 | 2024-03-07 | Tcl Zhonghuan Renewable Energy Technology Co., Ltd. | Residue scraper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1168389A (en) * | 1967-09-27 | 1969-10-22 | Sant Andrea Novara Ohg E Fonde | Torque-Transmitting Couplings |
| DE2025141A1 (en) * | 1970-05-22 | 1971-12-02 | The Warner & Swasey Company, Cleve land, Ohio (V St A ) | Machine tool support |
| JPS5740155A (en) * | 1980-08-19 | 1982-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | Overload safety device |
| CN201966590U (en) * | 2011-01-10 | 2011-09-07 | 上海龙腾机械制造有限公司 | Overload protection device of motor |
-
2011
- 2011-01-10 CN CN2011100037252A patent/CN102545477A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1168389A (en) * | 1967-09-27 | 1969-10-22 | Sant Andrea Novara Ohg E Fonde | Torque-Transmitting Couplings |
| DE2025141A1 (en) * | 1970-05-22 | 1971-12-02 | The Warner & Swasey Company, Cleve land, Ohio (V St A ) | Machine tool support |
| JPS5740155A (en) * | 1980-08-19 | 1982-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | Overload safety device |
| CN201966590U (en) * | 2011-01-10 | 2011-09-07 | 上海龙腾机械制造有限公司 | Overload protection device of motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410213A (en) * | 2014-12-15 | 2015-03-11 | 安徽巨一自动化装备有限公司 | Overload protection device of cantilever type mounted motor |
| CN104410213B (en) * | 2014-12-15 | 2016-08-24 | 安徽巨一自动化装备有限公司 | A kind of arm hanging type installs the overload protection arrangement of motor |
| CN107716126A (en) * | 2017-11-17 | 2018-02-23 | 成都西部石油装备股份有限公司 | A kind of Novel horizontal decanter centrifuge safety guard |
| CN107716126B (en) * | 2017-11-17 | 2023-08-29 | 成都西部石油装备股份有限公司 | Novel safety protection device for horizontal decanter centrifuge |
| CN114571849A (en) * | 2022-05-05 | 2022-06-03 | 山东蓝海文化科技有限公司 | Intelligent stencil printing machine |
| WO2024045991A1 (en) * | 2022-08-29 | 2024-03-07 | Tcl Zhonghuan Renewable Energy Technology Co., Ltd. | Residue scraper |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201300, No. 138, Tao Qiao Road, Nanhui Industrial Park, Shanghai, Pudong New Area, 2 Applicant after: SHANGHAI LONGTENG TECHNOLOGY CO., LTD. Address before: 201300 Nanhui Industrial Park, Pudong New Area, Shanghai South Road, No. 9458, No. 308, No. Applicant before: Shanghai Longteng Machinery Mfg. Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANGHAI LONGTENG MACHINERY MANUFACTURE CO., LTD. TO: SHANGHAI LONGTENG TECHNOLOGY CO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |