CN104482153A - Overload slip protection device - Google Patents
Overload slip protection device Download PDFInfo
- Publication number
- CN104482153A CN104482153A CN201410824057.3A CN201410824057A CN104482153A CN 104482153 A CN104482153 A CN 104482153A CN 201410824057 A CN201410824057 A CN 201410824057A CN 104482153 A CN104482153 A CN 104482153A
- Authority
- CN
- China
- Prior art keywords
- bearing
- transmission
- motor
- driven gear
- spring
- 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
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Classifications
-
- 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
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
Abstract
The invention discloses an overload slip protection device, comprising a base, a rotating cylinder, a transmission base plate, a motor installation rack, a motor, a driving gear, a driven gear, a spring, a spring compression ring, a transmission shaft, a bearing and a bearing compression ring, wherein a shaft seat is arranged on the base; a shaft hole is formed in the shaft seat; the transmission shaft is fixedly connected into the shaft hole; the middle part of the transmission base plate is provided with an installation hole; the transmission base plate sleeves the shaft seat through the installation hole, and is rotationally connected with the shaft seat through the bearing; the transmission base plate sleeves the shaft seat through the installation hole, and compresses the inner ring of the bearing; the rotating cylinder is fixedly connected with the transmission base plate; the motor installation rack is located in the rotating cylinder, and is fixedly connected with the transmission base plate; the motor is fixedly connected with the motor installation rack; the driven gear sleeves the transmission shaft in a clearance way, and is engaged with the driving gear; the spring sleeves the transmission shaft, and is abutted against the driven gear. By applying the overload slip protection device, in the case of the overload of the motor, a transmission gear can automatically implement slip, so that the normal running of equipment is protected, and the service life of the equipment is prolonged.
Description
Technical field
The present invention relates to a kind of transmission overload slipping protection device, be particularly useful for the overload slipping protection device that Explosionproof camera rotates.
Background technique
Explosionproof camera is mainly used in toxic environment and serious environment pollution, for monitoring the camera of surrounding, usual Explosionproof camera needs driven by motor and rotates, the motor of rotation torque is exported as being used for, that phenomenon the most easily occurs because equipment is subject to resistance to transship, thus cause motor damage, make driving gear and transmission shaft be subject to excessive moment of torsion and produce the friction of overburdening and damage simultaneously, therefore the working life of equipment will be increased, just must prevent equipment from the situation of transshipping occurring when Driving Torque, such ability proterctive equipment normally runs for a long time.
Summary of the invention
The object of the present invention is to provide one when after motor overload, driving gear can skid automatically, thus proterctive equipment normally runs, and improves the overload slipping protection device of service life of equipment.
In order to achieve the above object, technological scheme of the present invention is: a kind of overload slipping protection device, comprise pedestal, rotating cylinder, transmission substrate, motor mounting rack, motor, driving gear, driven gear, spring, spring pressuring ring, transmission shaft, bearing and bearing trim ring, pedestal has axle bed, axle bed has axis hole, transmission shaft is fixedly connected in axis hole, the middle part of transmission substrate is provided with mounting hole, transmission substrate is sleeved on axle bed by mounting hole, and be rotationally connected by bearing and axle bed, transmission substrate is sleeved on axle bed by mounting hole, and compress the inner ring of bearing, rotating cylinder is fixedly connected with transmission substrate, motor mounting rack is positioned at rotating cylinder, and be fixedly connected with transmission substrate, motor is fixedly connected with motor mounting rack, the output shaft of driving gear and motor is in transmission connection, what driven gear had a gap is sleeved on transmission shaft, and engage with driving gear, spring housing is contained on transmission shaft, its one end and driven gear offset, the other end is against on another end face of bearing trim ring, spring pressuring ring and transmission shaft load, and offset with driven gear.
The mounting hole two ends of described transmission substrate all have reaming, all bearing are housed in reaming, and the inner ring end face of the bearing of one end and pedestal offset, and inner ring end face and the bearing trim ring of the bearing of the other end offset.
The end of described transmission shaft is thread section, and spring pressuring ring is threaded with transmission shaft.
Described motor mounting rack is fixedly connected with transmission substrate by pole.
Described spring is belleville spring.
Described bearing is tapered roller bearing.
After adopting said structure, driven gear is freely placed on above spring, then to be pressed on driven gear with spring pressuring ring and to offset, give driven gear one pressure from top to bottom, then the spring pressure below it is passed to by driven gear, spring is squeezed, provide driven gear opposition, the squeezing action that driven gear is subject to upper and lower both direction produces stiction, thus transfixion, when working properly, owing to there being the pressure of spring, driven gear and transmission shaft geo-stationary, then driving gear pass out enough driving gears rotate torque, driving gear will rotate around driven gear or swing back and forth, because motor is fixed on transmission substrate by motor mounting rack, therefore motor will drive transmission substrate rotating, transmission substrate will drive rotating cylinder to rotate, the camera that rotating cylinder is arranged will follow rotating cylinder to rotate, when rotating cylinder or after being arranged on resistance that the camera on rotating cylinder is subject to, the resistance of rotating cylinder passes to driven gear by driving gear, if resistance is greater than driven gear because extruding the stiction be subject to, then driven gear cannot transmission shaft be static relatively again, driven gear will relative to drive axis, thus the driving torque that motor exports only can drive driven gear in idle running, the state of driven gear is slipping state this moment, this process is overload slipping protection, therefore the equipment that protects normally runs, driving gear and transmission shaft is avoided to be subject to excessive moment of torsion and to produce the friction of overburdening and damage, add the working life of equipment.
Accompanying drawing explanation
Fig. 1 is structure sectional view of the present invention.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Shown in Figure 1, a kind of overload slipping protection device, comprise pedestal 1, rotating cylinder 2, transmission substrate 3, motor mounting rack 4, motor 5, driving gear 6, driven gear 7, spring 8, spring pressuring ring 9, transmission shaft 10, bearing 11 and bearing trim ring 12, pedestal 1 has axle bed 1-1, axle bed 1-1 has axis hole 1-1-1, transmission shaft 10 is fixedly connected in axis hole 1-1-1, the middle part of transmission substrate 3 is provided with mounting hole 3-1, transmission substrate 3 is sleeved on axle bed 1-1 by mounting hole 3-1, and be rotationally connected with axle bed 1-1 by bearing 11, transmission substrate 3 is sleeved on axle bed 1-1 by mounting hole 3-1, and compress the inner ring of bearing 11, motor mounting rack 4 is positioned at rotating cylinder 2, and be fixedly connected with transmission substrate 3, motor 5 is fixedly connected with motor mounting rack 4, driving gear 6 is in transmission connection with the output shaft of motor 5, what driven gear 7 had a gap is sleeved on transmission shaft 10, and engage with driving gear 6, spring 8 is sleeved on transmission shaft 10, its one end and driven gear 7 offset, the other end is against on another end face of bearing trim ring 12, spring pressuring ring 9 and transmission shaft 10 load, and offset with driven gear 7.
Shown in Figure 1, the mounting hole 3-1 two ends of described transmission substrate 3 all have reaming 3-1-1, in reaming 3-1-1, bearing 11 are all housed, and the inner ring end face of the bearing 11 of one end and pedestal 1 offset, and inner ring end face and the bearing trim ring 12 of the bearing 11 of the other end offset.Such transmission substrate 3 is more smooth and easy relative to the rotation of pedestal 1 and steady, there will not be deflection, improves the stability of rotation of rotating cylinder 2 further.
Shown in Figure 1; the end of described transmission shaft 10 is thread section; spring pressuring ring 9 is threaded with transmission shaft 10; therefore before equipment work, just the pressure of spring pressuring ring 9 for spring 8 can manually be adjusted, if spring pressuring ring 9 pressure is excessive; then the present invention does not just have slipping protection effect; if the pressure of spring pressuring ring 9 is too small, then the power that motor 5 transmits just only can make driven gear 7 rotate, and transmission shaft 10 can not be driven to rotate.
Shown in Figure 1, conveniently motor 5 is installed, and make motor 5 not hinder miscellaneous part to run, described motor mounting rack 4 is fixedly connected with transmission substrate 3 by pole 13.
Shown in Figure 1, described spring 8 is belleville spring, and the frictional force that belleville spring transmits relative to other types spring is more reliable.
Shown in Figure 1, more smooth and easy in order to make transmission substrate 3 rotate, described bearing 11 is tapered roller bearing.
Shown in Figure 1, when the present invention uses, driven gear 7 unconventional mechanical type are fixed, but free style is fixed, when working properly, first driven gear 7 is freely placed on above spring 8, then to be pressed on driven gear 7 with spring pressuring ring 9 and to offset, give driven gear 7 one pressure from top to bottom, then spring 8 pressure below it is passed to by driven gear 7, spring 8 is squeezed, provide driven gear 7 opposition, the squeezing action that driven gear 7 is subject to upper and lower both direction produces stiction, owing to there being the pressure of spring 8, driven gear 7 and transmission shaft 10 geo-stationary, then driving gear 6 pass out enough driving gears 6 rotate torque, driving gear 6 will rotate around driven gear 7 or swing back and forth, because motor 5 is fixed on transmission substrate 3 by motor mounting rack 4, therefore motor 5 will drive transmission substrate 3 to rotate, transmission substrate 3 will drive rotating cylinder 2 to rotate, the camera that rotating cylinder 2 is arranged will follow rotating cylinder 2 to rotate, when rotating cylinder 2 or after being arranged on resistance that the camera on rotating cylinder 2 is subject to, the resistance of rotating cylinder 2 passes to driven gear 7 by driving gear 6, if resistance is greater than driven gear 7 because extruding the stiction be subject to, then driven gear 7 cannot transmission shaft 10 be static relatively again, driven gear 7 will rotate relative to transmission shaft 10, thus the driving torque that motor 5 exports only can drive driven gear 7 in idle running, the state of driven gear 7 is slipping state this moment, this process is overload slipping protection, therefore the equipment that protects normally runs, driving gear and transmission shaft 10 is avoided to be subject to excessive moment of torsion and to produce the friction of overburdening and damage, add the working life of equipment.
Claims (6)
1. an overload slipping protection device, it is characterized in that: comprise pedestal (1), rotating cylinder (2), transmission substrate (3), motor mounting rack (4), motor (5), driving gear (6), driven gear (7), spring (8), spring pressuring ring (9), transmission shaft (10), bearing (11) and bearing trim ring (12), pedestal (1) has axle bed (1-1), axle bed (1-1) has axis hole (1-1-1), transmission shaft (10) is fixedly connected in axis hole (1-1-1), the middle part of transmission substrate (3) is provided with mounting hole (3-1), transmission substrate (3) is sleeved on axle bed (1-1) by mounting hole (3-1), and be rotationally connected by bearing (11) and axle bed (1-1), transmission substrate (3) is sleeved on axle bed (1-1) by mounting hole (3-1), an one end face compresses the inner ring of bearing (11), rotating cylinder (2) is fixedly connected with transmission substrate (3), motor mounting rack (4) is positioned at rotating cylinder (2), and be fixedly connected with transmission substrate (3), motor (5) is fixedly connected with motor mounting rack (4), driving gear (6) is in transmission connection with the output shaft of motor (5), what driven gear (7) had a gap is sleeved on transmission shaft (10), and engage with driving gear (6), spring (8) is sleeved on transmission shaft (10), its one end and driven gear (7) offset, the other end is against on another end face of bearing trim ring (12), spring pressuring ring (9) and transmission shaft (10) load, and offset with driven gear (7).
2. overload slipping protection device according to claim 1; it is characterized in that: mounting hole (3-1) two ends of described transmission substrate (3) all have reaming (3-1-1); bearing (11) is all housed in reaming (3-1-1); and the inner ring end face of the bearing of one end (11) and pedestal (1) offset, inner ring end face and the bearing trim ring (12) of the bearing (11) of the other end offset.
3. overload slipping protection device according to claim 1, is characterized in that: the end of described transmission shaft (10) is thread section, and spring pressuring ring (9) is threaded with transmission shaft (10).
4. overload slipping protection device according to claim 1, is characterized in that: described motor mounting rack (4) is fixedly connected with transmission substrate (3) by pole (13).
5. constant feeder according to claim 1, is characterized in that: described spring (8) is belleville spring.
6. constant feeder according to claim 1, is characterized in that: described bearing (11) is tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824057.3A CN104482153A (en) | 2014-12-26 | 2014-12-26 | Overload slip protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824057.3A CN104482153A (en) | 2014-12-26 | 2014-12-26 | Overload slip protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104482153A true CN104482153A (en) | 2015-04-01 |
Family
ID=52756731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410824057.3A Pending CN104482153A (en) | 2014-12-26 | 2014-12-26 | Overload slip protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482153A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682246Y (en) * | 2004-02-24 | 2005-03-02 | 常州雷利电器有限公司 | Large torque friction slipping type output shaft |
| CN2904028Y (en) * | 2006-05-17 | 2007-05-23 | 常州市盛和电子有限公司 | Explosion-proof integrated video camera |
| CN201031939Y (en) * | 2007-04-03 | 2008-03-05 | 常州雷利电器有限公司 | High-strength low noise output shaft component |
| CN204420033U (en) * | 2014-12-26 | 2015-06-24 | 常州市盛和电子有限公司 | A kind of overload slipping protection device |
-
2014
- 2014-12-26 CN CN201410824057.3A patent/CN104482153A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682246Y (en) * | 2004-02-24 | 2005-03-02 | 常州雷利电器有限公司 | Large torque friction slipping type output shaft |
| CN2904028Y (en) * | 2006-05-17 | 2007-05-23 | 常州市盛和电子有限公司 | Explosion-proof integrated video camera |
| CN201031939Y (en) * | 2007-04-03 | 2008-03-05 | 常州雷利电器有限公司 | High-strength low noise output shaft component |
| CN204420033U (en) * | 2014-12-26 | 2015-06-24 | 常州市盛和电子有限公司 | A kind of overload slipping protection device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150401 |