CN103206466B - A kind of driving mechanism and clutch - Google Patents
A kind of driving mechanism and clutch Download PDFInfo
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- CN103206466B CN103206466B CN201310135780.6A CN201310135780A CN103206466B CN 103206466 B CN103206466 B CN 103206466B CN 201310135780 A CN201310135780 A CN 201310135780A CN 103206466 B CN103206466 B CN 103206466B
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Abstract
The embodiment of the invention discloses a kind of clutch mainly to improve on hold-down mechanism, this hold-down mechanism comprises oil cylinder and piston close-fitting with described oil cylinder inner wall, and wherein, described oil cylinder has liquid entering hole and liquid outlet; There is in the middle of described piston the space holding driven shaft external part, and to match the promotion part merging and promote described upper clutch and move with the end face of described upper clutch.Lower clutch is fixed on driven gear, upper clutch by spline or lead key to driven shaft transmitting torque.Because the hold-down mechanism in the clutch in the embodiment of the present invention adopts hydraulic mechanism, even if the very little of size design also can provide very strong impacting force, therefore, relative to traditional clutch, it is very simple that the structure of the clutch of structure of the present invention can design, and it is very little that size also can design.The embodiment of the invention also discloses the driving mechanism applying above-mentioned clutch.
Description
Technical field
The present invention relates to mechanical fitting technical field, more particularly, relate to a kind of driving mechanism and clutch.
Background technique
Clutch is mainly used in machine operation procedure axis and being separated and combination between axle.Because clutch is separation and the combination of carrying out diaxon under non-stop-machine situation, thus clutch should ensure clutch rapidly, steadily, reliable, handiness, wear-resisting and good heat dissipation.Clutch comprises lower clutch, upper clutch, hold-down mechanism and operating mechanism, wherein, lower clutch is fixed on driving shaft, and upper clutch is connected with driven shaft by spline or lead key, and upper clutch to be mainly pressed on lower clutch and to follow the rotation of lower clutch by hold-down mechanism; Operating mechanism is by controlling the upper clutch of action realization of hold-down mechanism and being separated or engaging of lower clutch.
Hold-down mechanism major part in traditional clutch is made up of spring; the lower clutch of dependence spring force driving being separated with upper clutch and combining; the elastic force transmitted due to spring is limited; therefore; size or the spring quality of several spring or increase spring usually can be set in working process; so corresponding whole clutch configuration relative complex, size is relatively large.
Therefore, how the simple clutch of a kind of structure and driving mechanism are provided, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of clutch, to realize the object simplifying existing clutch configuration; Second object of the present invention is to provide a kind of driving mechanism applying above-mentioned clutch.
For realizing above-mentioned first object, the invention provides following technological scheme:
A kind of clutch, comprise hold-down mechanism, operating mechanism, for be fixed on lower clutch on driven gear and for be arranged on driven shaft and with the upper clutch of described lower clutch engagement, described upper clutch can slide axially on described driven shaft, and described hold-down mechanism comprises oil cylinder and piston close-fitting with described oil cylinder inner wall; Promote under the effect of described piston hydraulic oil in described oil cylinder described on clutch move near the direction of described lower clutch, be combined with described lower clutch to realize described upper clutch.
Preferably, in above-mentioned clutch, described piston has the space of the external part holding described driven shaft, and matches to merge with the end face of described upper clutch and promote described upper clutch to the promotion part of moving near the direction of described lower clutch.
Preferably, in above-mentioned clutch, between described promotion part and described upper clutch, be provided with end face bearing.
Preferably, in above-mentioned clutch, the inner chamber of described oil cylinder is provided with Returnning spring, and oil cylinder cover and the described piston of described Returnning spring and described oil cylinder offset.
Preferably, in above-mentioned clutch, described oil cylinder cover is provided with the first ring connected in star installing described Returnning spring; The end face that described piston is positioned at the inner chamber of described oil cylinder is provided with the second annular groove installing described Returnning spring.
Preferably, in above-mentioned clutch, between described piston and described oil cylinder inner wall, be also provided with oil sealing.
Preferably, in above-mentioned clutch, described oil cylinder cover is also provided with the relief valve with the intracavity inter-connection of described oil cylinder.
Preferably, in above-mentioned clutch, the end face of described upper clutch and lower clutch engagement has intermeshing dentation structure.
Preferably, in above-mentioned clutch, described operating mechanism comprises unloading overflow valve, the motor of duplex pump and the described duplex pump of driving, wherein, one-way valve is provided with between the liquid outlet of the rear pump of described duplex pump and the liquid outlet of described front pump, throttle valve is provided with between the rear pump of described duplex pump and described oil cylinder, the liquid entering hole of described one-way valve is communicated with the liquid outlet of the rear pump of described duplex pump with after the P mouth parallel connection of described unloading overflow valve, and the liquid outlet of described one-way valve is communicated with the liquid outlet of the front pump of described duplex pump with after the K1 mouth parallel connection of described unloading overflow valve.
As can be seen from such scheme, the clutch that the embodiment of the present invention provides mainly improves on hold-down mechanism, and this hold-down mechanism comprises oil cylinder and piston close-fitting with described oil cylinder inner wall, and wherein, described oil cylinder has liquid entering hole and liquid outlet; There is in the middle of described piston the space holding driven shaft external part, and to match the promotion part merging and promote described upper clutch and move with the end face of described upper clutch.Lower clutch is fixed on driven gear, and upper clutch is by spline or lead key transmitting torque.During work, lower clutch in driven gear rotation process, is driven to rotate, when the axial thrust load that upper clutch is subject to lower clutch reaches predefined value, upper clutch and lower clutch separation, driven gear dallies, and driven shaft does not rotate, thus realizes the function that driving shaft is separated with driven shaft.When will by upper clutch and lower clutch in conjunction with time, hydraulic oil is passed in oil cylinder, hydraulic oil promotes the direction motion of piston to nearly upper clutch, and then promote the direction motion of the upper downward clutch of clutch, until upper clutch and lower clutch complete combination, upper clutch rotates under the drive of lower clutch, thus lower clutch drives driven shaft to rotate; Separation and the combination of clutch is completed by above-mentioned two aspects.Because the hold-down mechanism in the clutch in the embodiment of the present invention adopts hydraulic mechanism, even if the very little of size design also can provide very strong impacting force, therefore, relative to traditional clutch, it is very simple that the structure of the clutch of structure of the present invention can design, and it is very little that size also can design.
In order to realize above-mentioned second object, the invention provides following technological scheme:
A kind of driving mechanism, comprise driving shaft and driven shaft, described driving shaft is fixed with driving gear, described driven shaft is arranged with the driven gear that can dally, described driven gear is meshed with described driving gear, it is characterized in that, also comprise the clutch had in above-mentioned arbitrary technological scheme, described lower clutch is fixed on the end face of described driven gear, and described upper clutch is slidably set on described driven shaft, and can by spline or lead key to described driven shaft transmitting torque.
Preferably, in above-mentioned driving mechanism, described lower clutch and described driven gear are integral type structure.
Preferably, in above-mentioned driving mechanism, one end that described driven shaft stretches to described piston is provided with radial bearing.
As can be seen from such scheme, the driving mechanism that the embodiment of the present invention provides mainly improves on clutch configuration, during use, install in the manner described above, wherein driving shaft is connected with the output shaft of driving mechanism, during work, driving mechanism runs, lower clutch is driven to rotate in driving mechanism driven gear rotation process, instantly when the axial thrust load that clutch acts on clutch reaches predefined value, when the axial thrust load that upper clutch is subject to lower clutch reaches predefined value, upper clutch is separated with lower clutch, driven gear dallies, and driven shaft does not rotate, thus realize the function that driving shaft is separated with driven shaft.When will by upper clutch and lower clutch in conjunction with time, hydraulic oil is passed in oil cylinder, hydraulic oil promotes the direction motion of piston to nearly upper clutch, promotion part on piston promotes the direction motion of the upper downward clutch of clutch, until upper clutch and lower clutch complete combination, upper clutch rotates under the drive of lower clutch, thus lower clutch drives driven shaft to rotate; Separation and the combination of clutch is completed by above-mentioned two aspects.Because the hold-down mechanism in the clutch in the embodiment of the present invention adopts hydraulic mechanism, even if the very little of size design also can provide very strong impacting force, therefore, relative to traditional clutch, it is very simple that the structure of the clutch of structure of the present invention can design, and it is very little that size also can design.The driving mechanism of application said structure, it is very little that size can design, and is convenient for carrying.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of structural representation of clutch of Fig. 1 for providing in the embodiment of the present invention one;
A kind of structural representation of driving mechanism of Fig. 2 for providing in the embodiment of the present invention one;
The structural representation of another kind of driving mechanism of Fig. 3 for providing in the embodiment of the present invention one;
A kind of structural representation of clutch of Fig. 4 for providing in the embodiment of the present invention two;
A kind of structural representation of driving mechanism of Fig. 5 for providing in the embodiment of the present invention two;
The structural representation of another two kind driving mechanisms of Fig. 6 for providing in the embodiment of the present invention two;
Fig. 7 is the schematic diagram of a kind of driving mechanism in above-described embodiment provided by the invention;
Fig. 8 is the schematic diagram of another kind of driving mechanism in above-described embodiment provided by the invention;
A kind of structural representation of clutch of Fig. 9 for providing in the embodiment of the present invention three;
A kind of structural representation of driving mechanism of Figure 10 for providing in the embodiment of the present invention three;
The structural representation of another kind of driving mechanism of Figure 11 for providing in the embodiment of the present invention three;
A kind of schematic diagram of clutch of Figure 12 for providing in the embodiment of the present invention three;
The schematic diagram of another kind of clutch of Figure 13 for providing in the embodiment of the present invention three;
The structural representation of lower clutch of Figure 14 for providing in the embodiment of the present invention;
The structural representation of upper clutch of Figure 15 for providing in the embodiment of the present invention;
Wherein:
In Fig. 1 to Figure 13, 1 is motor, 2 is driving gear, 3 is driven gear, 4 is upper clutch, 5 is end face bearing, 6 is driven shaft, 7 is seal ring, 8 is piston, 9 is oil cylinder, 10 is Returnning spring, 11 is oil cylinder cover, 12 is end cap, 13 is relief valve, 14 is upper shell, 15 is lower shell body, 16 is platen, 111 is first ring connected in star, 81 is piston main body, 82 is space, 83 is promotion part, 84 is the second annular groove, 1 ' is motor, 2 ' is driving gear, 3 ' is driven gear, 4 ' is upper clutch, 5 ' is end face bearing, 6 ' is driven shaft, 7 ' is oil sealing, 8 ' is piston, 9 ' is oil cylinder, 10 ' is Returnning spring, 11 ' is oil cylinder cover, 12 ' is end cap, 13 ' is relief valve, 21 is front pump, 22 is rear pump, 23 is unloading overflow valve, 24 is one-way valve, 25 is throttle valve, 26 is main system relief valve.
Embodiment
Below, with reference to accompanying drawing, embodiment is described.In addition, the embodiment shown in below does not play any restriction effect to the summary of the invention described in claim.In addition, the solution that the full content of the formation below represented by embodiment is not limited to as the invention described in claim is necessary.
Embodiment one
The embodiment of the present invention provides a kind of clutch, please refer to shown in Fig. 1 and Fig. 7, this clutch comprise hold-down mechanism, operating mechanism, for be fixed on lower clutch on driven gear 3 and for arrange on the driven shaft 6 and with the upper clutch 4 of lower clutch engagement, hold-down mechanism comprises oil cylinder 9 and piston 8 close-fitting with the inwall of oil cylinder 9; On promoting under the effect of piston 8 hydraulic oil in oil cylinder 9, clutch 4 moves to the direction near lower clutch.
The clutch that the embodiment of the present invention provides mainly improves on hold-down mechanism, during use, lower clutch is fixed on driven gear on driven gear 3 and is meshed with driving gear, driven gear 3 is on the driven shaft 6 sheathed, and can dally on the driven shaft 6, upper clutch 4, and can be slid axially to driven shaft 6 transmitting torque on the driven shaft 6 by spline or lead key.
During work, driven gear 3 rotates under the drive of driving gear 2, lower clutch rotates with driven gear 3, when the axial thrust load that upper clutch 4 is subject to lower clutch reaches predetermined value, upper clutch 4 and lower clutch separation, now driven gear 3 dallies, and driven shaft 6 does not rotate, thus realizes the function that driving shaft is separated with driven shaft 6; When will by upper clutch 4 and lower clutch in conjunction with time, hydraulic oil is passed in oil cylinder 9, hydraulic oil promotes piston 8 and moves near the direction of upper clutch 4, and piston 8 promotes upper clutch 4 and moves near the direction of lower clutch, until upper clutch 4 and lower clutch complete combination.Clutch in the present embodiment completes separation and the combination of clutch by above-mentioned two aspects.Because the hold-down mechanism in the clutch in the embodiment of the present invention adopts hydraulic mechanism, even if the very little of size design also can provide very strong impacting force, therefore, relative to traditional clutch, it is very simple that the structure of the clutch of structure of the present invention can design, and it is very little that size also can design.
In addition, the clutch in the embodiment of the present invention due to structure simple, involved component are less, and therefore, the probability broken down is lower.Even if break down, because the size of clutch is less, so dismantle very convenient, be convenient to maintenance.Hydraulic running is more steady than mechanical movement.
In the embodiment of the present invention, piston 8 promotes upper clutch 4 and moves near lower clutch direction, axle sleeve can be set between piston 8 and upper clutch 4, axle sleeve is on the driven shaft 6 sheathed, and the end face of one end of axle sleeve coordinates with the end face of piston 8, the end face of the other end of axle sleeve coordinates with the end face of upper clutch 4, and the length that the length of axle sleeve stretches to upper clutch 4 by driven shaft 6 determines, the length of built-in length more major axis cover is longer.
In order to optimize technique scheme further, start with from piston 8 self structure in the embodiment of the present invention, piston 8 comprises piston main body 81, this piston main body 81 inwall that is main and oil cylinder 9 closely cooperates, there is in the middle of piston 8 space 82 holding driven shaft 6 external part, and to match the promotion part 83 merging and promote clutch 4 and move to close lower clutch direction with the end face of upper clutch 4.
The function of promotion part 83 is equivalent to the function of above-mentioned axle sleeve, is arranged on promotion part 83 in the main body 81 of piston 8, can reduce component on the one hand; Fault rate can be reduced on the other hand.
In order to ensure the stability of Returnning spring 10, in the present embodiment, oil cylinder cover 11 being provided with to install on end face that the first ring connected in star 111 of Returnning spring 10 and/or piston 8 be positioned at oil cylinder 9 inner chamber and being provided with the second annular groove 84 installing Returnning spring 10.
In order to optimize technique scheme, in the embodiment of the present invention, also between promotion part 83 and upper clutch 4, be provided with end face bearing 5, end face bearing 5 the wear extent that can reduce on the one hand promotion part 83 is set, extend the working life of piston 8; Can prevent piston 8 from rotating on the other hand, reduce the machining accuracy of promotion part on piston 8.
One end that driven shaft 6 stretches to piston 8 is provided with radial bearing, can play support driven shaft 6 and act on, to ensure the stationarity in driven shaft 6 and piston 8 running.
In order to ensure the sealing between piston 8 and oil cylinder 9, oil sealing or seal ring 7 is also provided with between piston 8 and oil cylinder 9, wherein, oil sealing or seal ring 7 can be arranged on the side face of piston 8, can also be arranged on inwall that oil cylinder 9 coordinates with piston 8, preferably, the embodiment of the present invention, the inwall that oil cylinder 9 coordinates with piston 8 arranges seal ring 7.
The counterface of upper clutch 4 and lower clutch has intermeshing dentation structure, as shown in Figure 14 and Figure 15, wherein, the profile of tooth one side coordinated in upper clutch 4 and lower clutch for rectangular configuration one side be wedge-shaped structure, lobe several border factually application scenarios of tooth is determined, the angle of wedge shape is arranged according to application, such as adopt 12 °, 15 °, 25 °, upper and lower clutch adopts two lobes, three lobes, pintongs, five lobes, six lobes, wherein, lobe number more multi-clutch run more steady, preferably two lobes, three lobes, pintongs.
Lower clutch and driven gear 3 can be installed together by bolt, can also by being forged into as integral type structure.
One end that driven shaft 6 stretches to piston 8 is provided with radial bearing, plays the work of support driven shaft 6 in order to ensure the stationarity in driven shaft 6 and piston 8 running.
Oil pressure in oil cylinder 9 is controlled by operating mechanism, can also arrange relief valve on oil cylinder 9, is regulated and controled the pressure size of in-oil cylinder hydraulic oil by relief valve.
In the present embodiment, another improvement is the operating mechanism of clutch, please refer to shown in Fig. 7, this operating mechanism adopts hydraulic system to handle, concrete, this operating mechanism comprises unloading overflow valve 23, the motor of duplex pump and driving duplex pump, wherein, one-way valve 24 is provided with between the liquid outlet of the liquid outlet of the rear pump 22 of duplex pump and the front pump 21 of duplex pump, throttle valve 25 is provided with between the rear pump of duplex pump and oil cylinder 9, the liquid entering hole of this one-way valve 24 is communicated with the liquid outlet of the rear pump 22 of duplex pump with after the P mouth parallel connection of unloading overflow valve 23, the liquid outlet of one-way valve 24 is communicated with the liquid outlet of the front pump 21 of duplex pump with after the K1 mouth parallel connection of unloading overflow valve 23.
In the embodiment of the present invention, operating mechanism adopts duplex pump, rotating under the driving of motor of front duplex pump, and the front pump 21 of duplex pump is to the fuel feeding of main system, rear pump 22 part for duplex pump is by one-way valve 24 to main system fuel feeding, and another part passes through throttle valve 25 to oil cylinder 9 fuel feeding.When main system pressure rises to certain value, the hydraulic oil of the K1 mouth of unloading overflow valve 23 reaches preset pressure and drives the P mouth of unloading overflow valve to be communicated with T mouth, the rear pump 22 of duplex pump terminates to main system fuel feeding, rear pump 22 oil of duplex pump flows back to fuel tank by oil cylinder 9 liquid outlet, now, one-way valve 24 is closed.
And main system adjusts pressure by main system relief valve 26.
Operating mechanism in the embodiment of the present invention is not limited to above-mentioned hydraulic system, can also can realize hydraulic system, be not specifically limited at this for other.
The embodiment of the invention also discloses a kind of driving mechanism with above-mentioned clutch configuration, please refer to shown in Fig. 2, this driving mechanism comprises driving shaft and driven shaft 6, driving shaft is fixed with driving gear 2, driven shaft 6 is arranged with the driven gear 3 that can dally, driven gear 3 is meshed with driving gear 2, also comprise the clutch had in above-mentioned arbitrary technological scheme, lower clutch is fixed on the end face of driven gear 3, upper clutch 4 is slidably on the driven shaft 6 sheathed, and can by spline or lead key to driven shaft 6 transmitting torque.
During use, install in the manner described above, wherein driving shaft is connected with the output shaft of driving mechanism, during work, driving mechanism runs, the output shaft of driving mechanism drives driving shaft to rotate, driving gear 2 on driving shaft rotates with driving shaft, driving gear 2 engages with driven gear 3, driven gear 3 rotates with driving gear 2, driven gear 3 drives lower clutch to rotate, lower clutch acts on clutch 4 axial thrust load when reaching predefined value, upper clutch 4 and lower clutch separation, driven gear 3 dallies, and driven shaft 6 does not rotate, thus realize the function that driving shaft is separated with driven shaft 6, when will by upper clutch 4 and lower clutch in conjunction with time, hydraulic oil is passed in oil cylinder 9, hydraulic oil promotes piston 8 and moves near the direction of upper clutch 4, and then promotes the direction motion of the downward clutch of upper clutch 4, until upper clutch 4 and lower clutch complete combination.Clutch in the present embodiment completes separation and the combination of clutch by above-mentioned two aspects.Because the hold-down mechanism in the clutch in the embodiment of the present invention adopts hydraulic mechanism, even if the very little of size design also can provide very strong impacting force, therefore, relative to traditional clutch, it is very simple that the structure of the clutch of structure of the present invention can design, and it is very little that size also can design.The driving mechanism of application said structure, it is very little that size can design, and is convenient for carrying.
Above-mentioned driving mechanism can be gear-box, motor, and oil hydraulic motor etc. can provide the drive unit of moment of torsion.
In above-mentioned driving mechanism, a driving gear 2 is to there being a driven gear, the driving mechanism of corresponding two driven gears of a driving gear 2 is additionally provided in the present embodiment, please refer to shown in Fig. 3 and Fig. 8, in this technological scheme, driving mechanism comprises a driving shaft, a driven shaft 6 and a driven shaft 6 ', wherein, the input end of driving shaft is connected with the output shaft of motor 1, driving shaft is fixed with driving gear 2; Driven shaft 6 is arranged with the driven gear 3 that can dally, driven gear 3 is meshed with driving gear 2, driven shaft 6 is provided with the clutch had in above-mentioned arbitrary technological scheme, lower clutch in clutch is fixed on the end face of driven gear 3, upper clutch 4 is slidably on the driven shaft 6 sheathed, and by spline or lead key transmitting torque; Driven shaft 6 ' is arranged with the driven gear 3 ' that can dally, driven gear 3 ' is meshed with driving gear 2, driven shaft 6 ' is provided with the clutch had in above-mentioned arbitrary technological scheme, lower clutch in clutch is fixed on the end face of driven gear 3 ', upper clutch 4 ' is slidably set on driven shaft 6 ', and by spline or lead key to driven shaft 6 ' transmitting torque.
During work, motor 1 is opened, and the output shaft of motor 1 drives driving shaft to rotate, and the driving gear 2 on driving shaft rotates with driving shaft, and driving gear 2 engages respectively with driven gear 3 and driven gear 3 '.As direction as shown:
Be arranged in the clutch in left side, when in oil cylinder 9 ' during non-fuel feeding, originally driven gear 3 ' rotation followed by the upper fixing lower clutch of driven gear 3 ', lower clutch drives upper clutch 4 ' to rotate, instantly when the axial thrust load that clutch acts on clutch 4 reaches predefined value, upper clutch 4 ' and lower clutch separation, thus realize the centrifugation of clutch; When needs carry out binding operation, operating mechanism pumps into hydraulic oil in oil cylinder 9 ', hydraulic oil in oil cylinder 9 ' promotes piston 8 ' and moves to the direction near upper clutch 4 ', continue to promote clutch 4 ' to move to the direction near lower clutch until upper clutch 4 ' and lower clutch can be in conjunction with when piston 8 ' contacts with upper clutch 4 ', thus achieve the binding function of clutch.
Be arranged in the clutch on right side, when in oil cylinder 9 during non-fuel feeding, originally fixing on driven gear 3 lower clutch is followed driven gear 3 and is rotated, lower clutch drives upper clutch 4 to rotate, instantly when the axial thrust load that clutch acts on clutch 4 reaches predefined value, upper clutch 4 and lower clutch separation, thus realize the centrifugation of clutch; When needs carry out binding operation, operating mechanism pumps into hydraulic oil in oil cylinder 9, hydraulic oil in oil cylinder 9 promotes piston 8 and moves to the direction near upper clutch 4, continue to promote clutch 4 to move to the direction near lower clutch until upper clutch 4 and lower clutch can be in conjunction with when piston 8 contacts with upper clutch 4, thus achieve the binding function of clutch.
In this driving mechanism, operating mechanism and the foregoing description of clutch are different, please refer to shown in Fig. 8, this operating mechanism adopts hydraulic operation, concrete, this operating mechanism comprises unloading overflow valve 23, the motor of the duplex pump be arranged in parallel and driving duplex pump, wherein, one-way valve 24 is provided with between the liquid outlet of the liquid outlet of the rear pump 22 of duplex pump and the front pump 21 of duplex pump, throttle valve 25 is provided with between the rear pump 22 of duplex pump and oil cylinder 9 and 9 ', the liquid entering hole of this one-way valve 24 is communicated with the liquid outlet of the rear pump 22 of duplex pump with after the P mouth parallel connection of unloading overflow valve 23, the liquid outlet of one-way valve 24 is communicated with the liquid outlet of the front pump 21 of duplex pump with after the K1 mouth parallel connection of unloading overflow valve 23.
The present embodiment also discloses a kind of mounting type of above-mentioned driving mechanism, please refer to shown in Fig. 4, and this driving mechanism is arranged between upper shell 14 and lower shell body 15, and the output terminal of each driven shaft is all arranged with platen 16.
Embodiment two
With reference to Fig. 4 to 6 also composition graphs 7 and Fig. 8, wherein, 1 is motor, 2 is driving gear, 3 is driven gear, 4 is upper clutch, 5 is end face bearing, 6 is driven shaft, 7 is seal ring, 8 is piston, 9 is oil cylinder, 10 is Returnning spring, 11 is oil cylinder cover, 12 is end cap, 14 is upper shell, 15 is lower shell body, 16 is platen, 111 is first ring connected in star, 81 is piston main body, 82 is space, 83 is promotion part, 84 is the second annular groove, 1 ' is motor, 2 ' is driving gear, 3 ' is driven gear, 4 ' is upper clutch, 5 ' is end face bearing, 6 ' is driven shaft, 7 ' is seal ring, 8 ' is piston, 9 ' is oil cylinder, 10 ' is Returnning spring, 11 ' is oil cylinder cover, 12 ' is end cap, 21 is front pump, 22 is rear pump, 23 is unloading overflow valve, 24 is one-way valve, 25 is throttle valve, 26 is main system relief valve.
Clutch in clutch in the present embodiment and driving mechanism and embodiment one and driving mechanism structural similarity, difference is that oil cylinder 9 in clutch and piston 8 are provided with the Returnning spring 10 offseted with the oil cylinder cover 11 of oil cylinder 9 and piston 8 at the inner chamber of oil cylinder 9, and the effect of Returnning spring 10 can make clutch be in jointing state in the normal state.
Piston 8 comprises piston main body 81, and this piston main body 81 inwall that is main and oil cylinder 9 closely cooperates.In order to ensure the stability of Returnning spring 10, in the present embodiment, oil cylinder cover 11 being provided with to install on end face that the first ring connected in star 111 of Returnning spring 10 and/or piston 8 be positioned at oil cylinder 9 inner chamber and being provided with the second annular groove 84 installing Returnning spring 10.
Between promotion part 83 and upper clutch 4, be provided with end face bearing 5, end face bearing 5 the wear extent that can reduce on the one hand promotion part 83 is set, can prevent piston 8 from rotating on the other hand, extend the working life of piston 8.
Piston 8 does not rotate under the effect of end face bearing 5, but must ensure between piston 8 and oil cylinder 9 to seal, and in order to ensure the sealing between piston 8 and oil cylinder 9, is also provided with oil sealing 7 or seal ring between piston 8 and oil cylinder 9 inwall.
Embodiment three
With reference to Fig. 9 to 13, 1 is motor, 2 is driving gear, 3 is driven gear, 4 is upper clutch, 5 is end face bearing, 6 is driven shaft, 7 is oil sealing, 8 is piston, 9 is oil cylinder, 10 is Returnning spring, 11 is oil cylinder cover, 12 is end cap, 13 is relief valve, 14 is upper shell, 15 is lower shell body, 16 is platen, 111 is first ring connected in star, 81 is piston main body, 82 is space, 83 is promotion part, 84 is the second annular groove, 1 ' is motor, 2 ' is driving gear, 3 ' is driven gear, 4 ' is upper clutch, 5 ' is end face bearing, 6 ' is driven shaft, 7 ' is oil sealing, 8 ' is piston, 9 ' is oil cylinder, 10 ' is Returnning spring, 11 ' is oil cylinder cover, 12 ' is end cap, 13 ' is relief valve, 21 is front pump, 22 is rear pump, 23 is unloading overflow valve, 24 is one-way valve, 25 is throttle valve, 26 is main system relief valve.
Clutch in clutch in the present embodiment and the structure of driving mechanism and embodiment two and the structural similarity of driving mechanism, difference is the oil cylinder cover 11 on the oil cylinder 9 in clutch is also provided with relief valve 13, the inner space of this relief valve 13 and oil cylinder 9, remaining part can reference mutually.
The setting of relief valve 13, clutch is made to realize the control of internal hydraulic pressure oil pressure by self structure, concrete, can on oil cylinder setting pressure table, the size of pressure in the inner chamber of oil cylinder is regulated by the control end rotating relief valve 13, because relief valve 13 can realize continuous adjustment, thus pressure oil is made to realize step-less adjustment.
The corresponding relation that above-mentioned pressure gauge can also show the size of pressure and the size of output torque according to pressure gauge marks the size of moment of torsion on manometric dial plate, thus more intuitively reads moment of torsion.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a clutch, comprise hold-down mechanism, operating mechanism, for be fixed on lower clutch on driven gear and for be arranged on driven shaft and with the upper clutch of described lower clutch engagement, it is characterized in that, described upper clutch can slide axially on described driven shaft, and described hold-down mechanism comprises oil cylinder and piston close-fitting with described oil cylinder inner wall; Promote under the effect of described piston hydraulic oil in described oil cylinder described on clutch move near the direction of described lower clutch, be combined with described lower clutch to realize described upper clutch.
2. clutch as claimed in claim 1, it is characterized in that, described piston has the space of the external part holding described driven shaft, and matches to merge with the end face of described upper clutch and promote described upper clutch to the promotion part of moving near the direction of described lower clutch.
3. clutch as claimed in claim 2, is characterized in that, be provided with end face bearing between described promotion part and described upper clutch.
4. clutch as claimed in claim 3, it is characterized in that, the inner chamber of described oil cylinder is provided with Returnning spring, and oil cylinder cover and the described piston of described Returnning spring and described oil cylinder offset.
5. clutch as claimed in claim 4, is characterized in that, described oil cylinder cover is provided with the first ring connected in star installing described Returnning spring; The end face that described piston is positioned at the inner chamber of described oil cylinder is provided with the second annular groove installing described Returnning spring.
6. clutch as claimed in claim 5, is characterized in that, be also provided with oil sealing between described piston and described oil cylinder inner wall.
7. clutch as claimed in claim 6, is characterized in that, described oil cylinder cover is also provided with the relief valve with the intracavity inter-connection of described oil cylinder.
8. clutch as claimed in claim 7, is characterized in that the end face of described upper clutch and lower clutch engagement has intermeshing dentation structure.
9. the clutch as described in any one of claim 1-8, it is characterized in that, described operating mechanism comprises unloading overflow valve, the motor of duplex pump and the described duplex pump of driving, wherein, one-way valve is provided with between the liquid outlet of the liquid outlet of the rear pump of described duplex pump and the front pump of described duplex pump, throttle valve is provided with between the rear pump of described duplex pump and described oil cylinder, the liquid entering hole of described one-way valve is communicated with the liquid outlet of the rear pump of described duplex pump with after the P mouth parallel connection of described unloading overflow valve, the liquid outlet of described one-way valve is communicated with the liquid outlet of the front pump of described duplex pump with after the K1 mouth parallel connection of described unloading overflow valve.
10. a driving mechanism, comprise driving shaft and driven shaft, described driving shaft is fixed with driving gear, described driven shaft is arranged with the driven gear that can dally, described driven gear is meshed with described driving gear, it is characterized in that, also comprise the clutch described in any one of claim 1-9, described lower clutch is fixed on the end face of described driven gear, and described upper clutch is slidably set on described driven shaft, and can by spline or lead key to described driven shaft transmitting torque.
11. driving mechanisms as claimed in claim 10, it is characterized in that, described lower clutch and described driven gear are integral type structure.
12. driving mechanisms as claimed in claim 11, it is characterized in that, one end that described driven shaft stretches to described upper clutch is provided with radial bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135780.6A CN103206466B (en) | 2013-04-18 | 2013-04-18 | A kind of driving mechanism and clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135780.6A CN103206466B (en) | 2013-04-18 | 2013-04-18 | A kind of driving mechanism and clutch |
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| Publication Number | Publication Date |
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| CN103206466A CN103206466A (en) | 2013-07-17 |
| CN103206466B true CN103206466B (en) | 2016-02-24 |
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| CN201310135780.6A Active CN103206466B (en) | 2013-04-18 | 2013-04-18 | A kind of driving mechanism and clutch |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB973420A (en) * | 1961-03-13 | 1964-10-28 | Twin Disc Clutch Co | Oil pressure actuated clutch |
| CN1434226A (en) * | 2002-01-19 | 2003-08-06 | 刘亚军 | Forward gear clutch for stepless speed variator |
| CN2923208Y (en) * | 2006-06-16 | 2007-07-18 | 重庆运达机电设备制造有限公司 | IC hydraulic screw-bolt spanner |
| CN201217143Y (en) * | 2007-06-18 | 2009-04-08 | 苏恩远 | Novel hydraulic clutch automotive stud bolt spanner |
| CN201884508U (en) * | 2010-12-02 | 2011-06-29 | 中国一拖集团有限公司 | Electric hydraulic control power output clutch |
| CN202380371U (en) * | 2011-12-28 | 2012-08-15 | 重庆铸达机电设备有限公司 | High-precision internal combustion bolt wrench |
| CN203308963U (en) * | 2013-04-18 | 2013-11-27 | 重庆鼎誉机电有限公司 | Transmission mechanism and clutch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5544105A (en) * | 1978-09-19 | 1980-03-28 | Ishikawajima Shibaura Kikai Kk | Braking device of hydraulic clutch |
-
2013
- 2013-04-18 CN CN201310135780.6A patent/CN103206466B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB973420A (en) * | 1961-03-13 | 1964-10-28 | Twin Disc Clutch Co | Oil pressure actuated clutch |
| CN1434226A (en) * | 2002-01-19 | 2003-08-06 | 刘亚军 | Forward gear clutch for stepless speed variator |
| CN2923208Y (en) * | 2006-06-16 | 2007-07-18 | 重庆运达机电设备制造有限公司 | IC hydraulic screw-bolt spanner |
| CN201217143Y (en) * | 2007-06-18 | 2009-04-08 | 苏恩远 | Novel hydraulic clutch automotive stud bolt spanner |
| CN201884508U (en) * | 2010-12-02 | 2011-06-29 | 中国一拖集团有限公司 | Electric hydraulic control power output clutch |
| CN202380371U (en) * | 2011-12-28 | 2012-08-15 | 重庆铸达机电设备有限公司 | High-precision internal combustion bolt wrench |
| CN203308963U (en) * | 2013-04-18 | 2013-11-27 | 重庆鼎誉机电有限公司 | Transmission mechanism and clutch |
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| Publication number | Publication date |
|---|---|
| CN103206466A (en) | 2013-07-17 |
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