CN105351470A - Gear transmission device having overspeed circumferential displacement output function - Google Patents
Gear transmission device having overspeed circumferential displacement output function Download PDFInfo
- Publication number
- CN105351470A CN105351470A CN201510857954.9A CN201510857954A CN105351470A CN 105351470 A CN105351470 A CN 105351470A CN 201510857954 A CN201510857954 A CN 201510857954A CN 105351470 A CN105351470 A CN 105351470A
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- CN
- China
- Prior art keywords
- shaft
- rotating speed
- gear
- limit block
- oily axle
- 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.)
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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
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
- F16H2057/0235—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly specially adapted to allow easy accessibility and repair
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention proposes a gear transmission device having an overspeed circumferential displacement output function. The device improves a main shaft on the structure of a traditional gear transmission device, is added with a displacement output mechanism, and mainly consists of a spline shaft, a transmission shaft, a straight gear, an oil stop shaft part, a speed limiting block, a parking sleeve, an output rod, a box body, a box cover and the like; the rotating speed is input by using the spline shaft; on the one hand, the longitudinal rotating speed output is generated through the bevel gear engagement; and on the other hand, an oil stop shaft in the oil stop shaft part rotates through first-grade gear transmission; a heavy block mounted on the oil stop shaft is deviated from the oil stop shaft under the effect of centrifugal force; and when the designed rotating speed is exceeded, the speed limiting block is ejected, and rotates to drive the parking sleeve and the output rod to generate the displacement output in the circumferential direction. The device can serve as a diesel engine accessory, not only can serve as a transmission device, but also can serve as an action generation mechanism of a galloping protection device.
Description
Technical field
The invention belongs to diesel engine arts, particularly relate to the gear drive used as diesel-engine accessories.
Background technique
Gear drive is the various gear mechanisms connected that engage each other or cooperatively interact.
Gear drive is widely used in the industries such as automobile, boats and ships, power station, engineering machinery, generally plays deceleration speed change, transmitting torque.Gear drive does not usually have transmission rotating speed and under certain rotating speed, realizes the effect of displacement output.
Gear drive is as diesel-engine accessories; prior art is also be used as common deceleration speed change, transmitting torque; and diesel engine also needs the annex transmitting rotating speed and displacement output simultaneously; as being used as the action generating mechanism of runaway protector; existing diesel engine designs separately annex often in addition and realizes these functions; make the annex of machine many, complex structure.
Summary of the invention
The technical problem to be solved in the present invention is that existing gear drive does not have transmission rotating speed and under certain rotating speed, realizes the function of displacement output; a kind of gear drive with hypervelocity circumferential displacement output function is provided; as diesel-engine accessories; both can be used as conventional transmission, also can be used as the action generating mechanism of runaway protector.
The object of the invention is to reach by the following technical programs:
There is a gear drive for hypervelocity circumferential displacement output function, comprise rotating speed output mechanism, displacement output mechanism, casing and case lid.
Described rotating speed output mechanism comprises the vertical output shaft of splined shaft, transmission shaft, spur gear, bevel gear and band bevel gear.
Described spur gear is arranged on transmission shaft, and transmission shaft and splined shaft are by inside and outside spline joint, and rotating speed is inputted by splined shaft; On transmission shaft, Integral design has bevel gear, engages with the bevel gear on vertical output shaft, produces longitudinal rotating speed export after rotating speed input by bevel gear engagement.
Described displacement output mechanism comprises by spur gear, contiguous block, guiding core, pad, spring, lining, spring seat, stops oily axle, bearing shell, pouring weight, bearing, back shaft, stop collar, speed limit block, grommet, take-off lever and parking cover.
The spur gear of described displacement output mechanism engages with the spur gear of rotating speed output mechanism, forms one-level gear transmission.
Described spur gear is contained in and stops on oily axle, and balancing weight and contiguous block are bolted, and is sleeved on and stops on oily axle; Lining is arranged in the circumferential hole of stopping in the middle part of oily axle, and the in-built guiding core of lining, can slide up and down in lining; Guiding core upper end loads in contiguous block, and both ends of the spring is installed on contiguous block by spring seat and stops between oily axle, is supportted contiguous block from stopping oily axle and making balancing weight near stopping oily axle by the pretightening force of spring.
Described back shaft is contained in casing, back shaft is provided with successively stop collar, speed limit block and grommet, triple interaction limits the axis of speed limit block on back shaft and circumferential position, speed limit block is made to be positioned on the rotary motion trace line of pouring weight under setting speed, grommet is engaged with speed limit block, unitary rotation, and grommet is overlapped with parking and is connected by pin, parking is sleeved on back shaft, and is threaded connection with take-off lever or welds.
Above transmission shaft is all be arranged in casing by bearing, flange plate etc. with stopping oily axle.
Adopt above structure, the rotating speed of this multifunctional gear driving device is inputted by splined shaft, produce longitudinal rotating speed by the bevel gear drive of rotating speed output mechanism on the one hand to export, through Spur Gear Driving, the oily axle that stops in displacement output mechanism is rotated on the other hand, the pouring weight stopped on oily axle overcomes the pretightening force of spring under the influence of centrifugal force thus disengaging stops oily axle, push speed limit block when exceeding design speed, speed limit block rotates and drives the displacement of stop cover and take-off lever generation circumferencial direction to export.
Advantage of the present invention is as follows:
The present invention utilizes the basic structure of conventional geared transmission, namely gear, transmission shaft, casing, case lid etc., first improve transmission shaft, devises hollow structure and transmission shaft with internal spline, and bevel gear and transmission shaft are designed to one, achieve the longitudinal output of rotating speed.Bevel gear and transmission shaft Integral design, decrease the quantity of part, and the operation simplifying assembling also can strengthen the reliability of rotating speed output.
Secondly at box house design back shaft and assemble speed limit block with stop overlap, take-off lever etc., stopping design and installation pouring weight on oily axle, utilize and stop centrifugal force when oily axle rotates to control the distance of pouring weight disalignment, and achieve by the action transmission of pouring weight and speed limit block the hypervelocity circumferential displacement output function that traditional gear drive do not have.
In sum, the present invention can be used as diesel-engine accessories, realizes realizing displacement when rotating speed exports and can exceed a certain design speed to input speed simultaneously and exports, and can connect the action generating mechanism that speed regulator is also used as runaway protector simultaneously.
Accompanying drawing explanation
In order to more clearly show structure of the present invention, provide following Figure of description, drawing is described as follows:
Fig. 1 is the structural drawing stopping oily spindle unit in this gear drive;
Fig. 2 is the three-dimensional shaft geodesic structure figure of this gear drive;
Fig. 3 is the matching relationship schematic diagram of speed limit block (20) and grommet (21);
Fig. 4 stops to overlap the fiting relation figure of (23) and take-off lever (22).
Embodiment
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.Those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values are equally within claims limited range listed by the application.
Fig. 1 is the structural drawing stopping oily spindle unit of this gear drive, as can be seen from the figure, stop oily spindle unit by spur gear 1, flange plate 2, contiguous block 3, guiding core 4, pad 5, spring 6, lining 7, spring seat 8, stop the component such as oily axle 9, bearing shell 10, pouring weight 11 and bearing 12 and form.
Fig. 2 is the three-dimensional shaft geodesic structure figure of this gear drive, as can be seen from the figure, this transmission device also includes splined shaft 13, transmission shaft 14, spur gear 15, bevel gear 16, case lid 17, back shaft 18, stop collar 19, speed limit block 20, grommet 21, take-off lever 22, parking cover 23, casing 24, lining 25, bearing 26, bolt 27 and vertical output shaft 28 etc. in addition.
The rotating speed of this multifunctional gear driving device is inputted by splined shaft, produce longitudinal rotating speed by bevel gear drive on the one hand to export, through Spur Gear Driving, the oily axle that stops stopped in oily spindle unit is rotated on the other hand, the pouring weight stopped on oily axle departs under the influence of centrifugal force and stops oily axle, push speed limit block when exceeding design speed, speed limit block rotates and drives the displacement of stop cover and take-off lever generation circumferencial direction to export.This device both can be used as transmission device and had used, and also can be used as the action generating mechanism of runaway protector.
Structure and the working principle of this gear drive are as follows:
Transmission shaft 14 with stop oily axle 9 and be arranged on casing 24 by bearing 12, flange plate 2 etc., the first spur gear 15 is arranged on transmission shaft 14, and transmission shaft 14 and splined shaft 13 are by inside and outside spline joint, and rotating speed is inputted by splined shaft.
Transmission shaft 14 and bevel gear 16 are integrated design, can engage the rotating speed producing longitudinal direction immediately export after rotating speed input by the bevel gear of vertical output shaft with the bevel gear of transmission shaft.
On the other hand, by the one-level gear transmission of the second spur gear 1 and the first spur gear 15, stop oily axle 9 and rotate.
Second spur gear 1 is contained in and stops on oily axle 9, and pouring weight 11 is connected by bolt 27 with contiguous block 3, is sleeved on and stops on oily axle 9.Lining 7 is arranged in the circumferential hole of stopping in the middle part of oily axle 9, and the in-built guiding core 4 of lining 7, can slide up and down in lining 7.Guiding core 4 upper end loads in contiguous block 3, and spring 6 two ends are installed on contiguous block 3 by spring seat 8 and stop between oily axle 9, is supportted contiguous block 3 from stopping oily axle 9 and making pouring weight 11 near stopping oily axle 9 by the pretightening force of spring 6.
See Fig. 3 and Fig. 4, back shaft 18 is contained in casing 24, back shaft 18 is provided with successively stop collar 19, speed limit block 20 and grommet 21, triple interaction limits the axial position of speed limit block 20 on back shaft 18, speed limit block 20 is made to be positioned on the rotary motion trace line of balancing weight 11 under setting speed, grommet is engaged with speed limit block, unitary rotation; Grommet 21 is connected by pin with parking cover 23, and parking cover 23 is contained on back shaft 18, and is threaded connection with take-off lever 22 or welds.
Rotate when stopping oily axle 9, under a certain rotating speed, pouring weight 11 overcomes the pretightening force of spring 6 under the influence of centrifugal force thus disengaging stops oily axle 9; Rotating speed is higher, and centrifugal force is larger, and it is larger that pouring weight 11 departs from the distance of stopping oily axle 9 axle center.
When rotating speed reaches design critical speed of rotation, pouring weight 11 depart from stop oily axle 9 and outside it start with speed limit block 20 head contact, when stopping oily axle actual speed and exceeding design speed, start to push speed limit block 20 outside pouring weight 11 to rotate around back shaft 18 axle center, the action that speed limit block 20 drives parking cover 23 to rotate around back shaft 18 axle center by grommet 21, the displacement being circumferencial direction exports.
Further, this device also has following detailed structure:
Inside contiguous block 3 and between spring seat 8, detachable adjustment pad 5 is set, is changed the pretightening force of spring 6 by the thickness adjusting pad 5, realize the fine setting controlling rotating speed, also install and remove conveniently during general assembly adjustment simultaneously.
Transmission shaft 14 and bevel gear 16 are designed to one, and transmission shaft is designed to hollow structure, and be designed with internal spline and connect with splined shaft 13, rotating speed is inputted by splined shaft.
Pouring weight 11 and contiguous block 3 are bolted, and rely on spring 6 to be fixed on guiding core 4 to stop on oily axle 9, and stop oily axle being equipped with lining 7, guiding core is Spielpassung with lining, and guiding core can slide up and down in lining, realize pouring weight and stop the disengaging of oily axle.
Take-off lever 22 adopts with parking cover 23 and is threaded or welds, and stops sheathed in respect of flange, produces the displacement of two places and export when speed limit block can be made like this to rotate.
Grommet 21 designs between parking cover 23 and back shaft 18, and grommet one end is designed to semicircle shape flanged structure, and grommet overlaps to adopt to sell with parking and is connected, and speed limit block afterbody is designed with semicircle shape flanged structure equally, and during assembling, grommet is engaged with speed limit block.Utilize stop collar and grommet to limit the axis of speed limit block on back shaft and circumferential position, limit take-off lever and the axial position overlapped that stops simultaneously.
In this device, for spur gear, the different number of teeth of selection two gear can be passed through, form different velocity ratios, adjustment on a large scale can be realized to control rotating speed.And once selected gear ratio, by selecting the spring of different-stiffness, the pouring weight of Different Weight can also be matched, the final control realized at 700r/min ~ 900r/min rotating speed within the scope of this simultaneously.
These are only embodiments of the invention, be not limited to the present invention, therefore, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (5)
1. there is a gear drive for hypervelocity circumferential displacement output function, comprise rotating speed output mechanism, displacement output mechanism, casing (24) and case lid (17); It is characterized in that:
Described rotating speed output mechanism comprises splined shaft (13), transmission shaft (14), the first spur gear (15), bevel gear (16) and is with the vertical output shaft (28) of bevel gear;
Described spur gear (15) is arranged on transmission shaft (14), and transmission shaft and splined shaft (13) are by inside and outside spline joint, and rotating speed is inputted by splined shaft; On transmission shaft, Integral design has bevel gear (16), engages with the bevel gear on vertical output shaft (28), produces longitudinal rotating speed export after rotating speed input by bevel gear engagement;
Described displacement output mechanism comprises by the second spur gear (1), contiguous block (3), guiding core (4), pad (5), spring (6), lining (7), spring seat (8), stops oily axle (9), bearing shell (10), pouring weight (11), bearing (12), back shaft (18), stop collar (19), speed limit block (20), grommet (21), take-off lever (22) and the cover (23) that stops;
Second spur gear (1) of described displacement output mechanism engages with first spur gear (15) of rotating speed output mechanism, forms one-level gear transmission;
Described second spur gear (1) is contained in be stopped on oily axle (9), and pouring weight (11) and contiguous block (3) connect into a ring by bolt (27), are sleeved on and stop on oily axle; Lining (7) is arranged in the circumferential hole of stopping in the middle part of oily axle, and the in-built guiding core (4) of lining (7), can slide up and down in lining (7); Guiding core (4) upper end loads in contiguous block, spring (6) two ends are installed on contiguous block (3) by spring seat (8) and are stopped between oily axle (9), support from stopping oily axle (9) and making pouring weight (11) near stopping oily axle (9) by the pretightening force of spring (6) by contiguous block (3);
Described back shaft (18) is contained in casing (24), back shaft is provided with successively stop collar (19), speed limit block (20) and grommet (21), triple interaction limits the axis of speed limit block on back shaft and circumferential position, speed limit block (20) is positioned on the rotary motion trace line of pouring weight (11) under setting speed, grommet is engaged with speed limit block, unitary rotation, grommet is overlapped (23) with parking and is connected by pin, the cover (23) that stops is contained on back shaft (18), and is threaded connection with take-off lever (22) or welds;
Described transmission shaft (14) is all be arranged in casing by bearing (12), flange plate (2) with stopping oily axle (9);
The rotating speed of described multifunctional gear driving device is inputted by splined shaft, produce longitudinal rotating speed by the bevel gear drive of rotating speed output mechanism on the one hand to export, through Spur Gear Driving, the oily axle that stops in displacement output mechanism is rotated on the other hand, the pouring weight stopped on oily axle overcomes the pretightening force of spring under the influence of centrifugal force thus disengaging stops oily axle, push speed limit block when exceeding design speed, speed limit block rotates and drives the displacement of stop cover and take-off lever generation circumferencial direction to export.
2. gear drive according to claim 1, is characterized in that: described transmission shaft (14) is hollow structure, and design internal spline connects with splined shaft (13), and rotating speed is inputted by splined shaft.
3. gear drive according to claim 1, is characterized in that: between contiguous block (3) inner side and spring seat (8), arrange detachable adjustment pad (5).
4. gear drive according to claim 1, is characterized in that: described take-off lever (22) and stop and overlap (23) and adopts and be threaded or weld, and stops to overlap (23) and be designed with flange, produces the displacement output of two places when speed limit block can be made to rotate.
5. the gear drive according to claim 1 or 4, is characterized in that: described grommet (21) one end is designed to semicircle shape flanged structure, and speed limit block (20) afterbody is also designed with semicircle shape flanged structure, and during assembling, grommet is engaged with speed limit block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510857954.9A CN105351470B (en) | 2015-11-30 | 2015-11-30 | Gear drive with hypervelocity circumferential displacement output function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510857954.9A CN105351470B (en) | 2015-11-30 | 2015-11-30 | Gear drive with hypervelocity circumferential displacement output function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351470A true CN105351470A (en) | 2016-02-24 |
| CN105351470B CN105351470B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510857954.9A Active CN105351470B (en) | 2015-11-30 | 2015-11-30 | Gear drive with hypervelocity circumferential displacement output function |
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| Country | Link |
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| CN (1) | CN105351470B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952500A (en) * | 2016-07-15 | 2016-09-21 | 重庆红江机械有限责任公司 | Diesel engine safety protection device |
| CN108953311A (en) * | 2018-09-29 | 2018-12-07 | 南京奥特自动化有限公司 | A kind of magnetic-type locking positioning device |
| CN111537206A (en) * | 2020-04-25 | 2020-08-14 | 哈尔滨汽轮机厂有限责任公司 | Simulated overspeed protection test device and method |
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| JP2005180560A (en) * | 2003-12-18 | 2005-07-07 | Ricoh Co Ltd | Rotor driving device and image forming apparatus including the rotor driving device |
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| JP2007002845A (en) * | 2005-06-20 | 2007-01-11 | Robert Bosch Gmbh | Actuator used for actuating mechanism |
| CN102588559A (en) * | 2012-02-13 | 2012-07-18 | 北京波尔通导科技有限公司 | Gapless gear transmission device and method for removing gear transmission gap |
| CN102748182A (en) * | 2012-08-01 | 2012-10-24 | 大足县生产力促进中心 | Quickly labor-saving starting device of agricultural diesel engine |
| CN202641377U (en) * | 2012-06-29 | 2013-01-02 | 张西剑 | One-way rotating energy saving device for motor vehicle |
| CN205136503U (en) * | 2015-11-30 | 2016-04-06 | 重庆红江机械有限责任公司 | Multifunctional gear driving device |
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2015
- 2015-11-30 CN CN201510857954.9A patent/CN105351470B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005180560A (en) * | 2003-12-18 | 2005-07-07 | Ricoh Co Ltd | Rotor driving device and image forming apparatus including the rotor driving device |
| JP2007002845A (en) * | 2005-06-20 | 2007-01-11 | Robert Bosch Gmbh | Actuator used for actuating mechanism |
| KR20070002845A (en) * | 2005-06-30 | 2007-01-05 | 주식회사 대우일렉트로닉스 | Method for generating thumbnail in digital recorder |
| CN102588559A (en) * | 2012-02-13 | 2012-07-18 | 北京波尔通导科技有限公司 | Gapless gear transmission device and method for removing gear transmission gap |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952500A (en) * | 2016-07-15 | 2016-09-21 | 重庆红江机械有限责任公司 | Diesel engine safety protection device |
| CN108953311A (en) * | 2018-09-29 | 2018-12-07 | 南京奥特自动化有限公司 | A kind of magnetic-type locking positioning device |
| CN111537206A (en) * | 2020-04-25 | 2020-08-14 | 哈尔滨汽轮机厂有限责任公司 | Simulated overspeed protection test device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351470B (en) | 2017-08-29 |
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