CN204553600U - A kind of engaging and disengaging gear for power transmission system and hoist - Google Patents
A kind of engaging and disengaging gear for power transmission system and hoist Download PDFInfo
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- CN204553600U CN204553600U CN201420656867.8U CN201420656867U CN204553600U CN 204553600 U CN204553600 U CN 204553600U CN 201420656867 U CN201420656867 U CN 201420656867U CN 204553600 U CN204553600 U CN 204553600U
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- disengaging gear
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Abstract
The utility model relates to a kind of engaging and disengaging gear for power transmission system and hoist, and engaging and disengaging gear comprises driving disc, driven disc and driver, and driver is used for the transmission of power of driving disc to driven disc; When engaging and disengaging gear does not use, driver makes to be existed gap, stops transferring power between driving disc and driven disc; When engaging and disengaging gear uses, driver makes driving disc and driven disc fit, and power passes to driven disc from driving disc.Acting as of the engaging and disengaging gear that the utility model provides: make motor throw off with driving component in Transmitted chains below before engine start, load when can effectively reduce engine start, the normal startup of motor when guarantee winter temperature is low; After engine start, make the driving component of motor in Transmitted chains in conjunction with transferring power, ensure the normal work of vehicle.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of engaging and disengaging gear for power transmission system and hoist.
Background technique
It is the prerequisite, particularly winter of normal vehicle operation that motor normally starts, and requires higher, if load is excessive during engine start, engine start difficulty will be caused maybe can not to start, and then cannot ensure the normal work of vehicle startup performance of engine.
The power transmission system of prior art, when the engine starts, due to driven by engine elastic coupling flexible coupling, transmission shaft, gearbox (or driven by engine elastic coupling flexible coupling, transmission shaft, oil hydraulic pump) this power chain operates all the time, cannot be separated, engine start load will certainly be increased, particularly winter, when the temperature of the surroundings is low, engine motor oil, in gearbox, lubricating oil viscosity becomes large, during engine start, load will strengthen, motor starts in speed range normal, the starting torque provided is not enough to the moment of torsion overcome needed for actual loading, cause engine start difficulty maybe can not start, affect the normal use of vehicle, reduce the reliability that vehicle uses.
Model utility content
The utility model provides a kind of engaging and disengaging gear for power transmission system and hoist, main purpose of the present utility model be reduce engine start time load, ensure winter temperature low time motor normal startup.
For achieving the above object, the utility model provides following technological scheme:
For an engaging and disengaging gear for power transmission system, comprise driving disc, driven disc and driver, driver is used for the transmission of power of driving disc to driven disc;
When engaging and disengaging gear does not use, driver makes to be existed gap, stops transferring power between driving disc and driven disc; When engaging and disengaging gear uses, driver makes driving disc and driven disc fit, and power passes to driven disc from driving disc.
According to an embodiment of the present utility model, further, driver is coil block, and coil block is connected with power supply; When energized, coil block makes driving disc and driven disc fit by electromagnetic force; When deenergization, between driving disc and driven disc, there is gap.
According to an embodiment of the present utility model, further, driver is platen, and platen is connected with source of the gas or hydraulic power; When source of the gas or hydraulic power supply power to platen, platen makes driving disc and driven disc fit; When source of the gas or hydraulic power do not supply power to platen, between driving disc and driven disc, there is gap.
According to an embodiment of the present utility model, further, engaging and disengaging gear also comprises snubber, and snubber is arranged on the power intake of engaging and disengaging gear.
According to an embodiment of the present utility model, further, snubber is rubber element.
According to an embodiment of the present utility model, further, engaging and disengaging gear also comprises output flange, driven disc by transmission of power to output flange.
According to an embodiment of the present utility model, further, engaging and disengaging gear also comprises bolt, and driven disc is connected with output flange by bolt.
The utility model additionally provides following technological scheme:
A kind of hoist, comprises as above for the engaging and disengaging gear of power transmission system.
According to an embodiment of the present utility model, further, hoist also comprises motor, the first transmission shaft, gearbox, second driving shaft and axletree, and motor, engaging and disengaging gear, the first transmission shaft, gearbox, second driving shaft are connected successively with axletree.
Based on the arbitrary technological scheme in technique scheme, the utility model embodiment at least can produce following technique effect:
Because engaging and disengaging gear provided by the utility model comprises driving disc, driven disc and driver, driver is used for the transmission of power of driving disc to driven disc; When engaging and disengaging gear does not use, driver makes to be existed gap, stops transferring power between driving disc and driven disc; When engaging and disengaging gear uses, driver makes driving disc and driven disc fit, power passes to driven disc from driving disc, by this engaging and disengaging gear, motor is made to throw off with driving component in Transmitted chains below before engine start, load when can effectively reduce engine start, the normal startup of motor when ensureing that winter temperature is low; After engine start, make the driving component of motor in Transmitted chains in conjunction with transferring power, ensure the normal work of vehicle.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of engaging and disengaging gear of the present utility model;
Fig. 2 is the structural representation of power transmission system of the present utility model.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
It should be noted that: any technical characteristics in the present embodiment, any technological scheme is all one or more in the technical characteristics of plurality of optional or optional technological scheme, cannot exhaustive all alternative technical characteristicss of the present utility model and alternative technological scheme in order to describe succinct to need in presents, also the mode of execution being not easy to each technical characteristics all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristics in the present embodiment and any technological scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art and not pay the thinkable any alternate embodiments of creative work.
Hereafter convenient in order to describe, hereinafter alleged "left", "right", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As shown in Figure 1, the utility model provides a kind of engaging and disengaging gear 7 for power transmission system, can comprise driving disc 1, driven disc 2 and driver, and driver is used for the transmission of power of driving disc 1 to driven disc 2;
When engaging and disengaging gear 7 does not use, driver makes to be existed gap, stops transferring power between driving disc 1 and driven disc 2; When engaging and disengaging gear 7 uses, driver makes driving disc 1 and driven disc 2 fit, and power passes to driven disc 2 from driving disc 1.
By this engaging and disengaging gear 7, motor before engine start, is made to throw off with driving component in Transmitted chains below, load when can effectively reduce engine start, the normal startup of motor when guarantee winter temperature is low; After engine start, make the driving component of motor in Transmitted chains in conjunction with transferring power, ensure the normal work of vehicle.
Driving disc 1 and driven disc 2 are rotating element, by contact friction transmitting torque.
In a specific embodiment of the present utility model, driver can be coil block 3, and coil block 3 is connected with power supply (not shown); When energized, coil block 3 makes driving disc 1 and driven disc 2 fit by electromagnetic force; When deenergization, between driving disc 1 and driven disc 2, there is gap.
Coil block 3 comprises coil, is fixed element, does not participate in transmission of power directly, and by the switch control rule in operator cabin and on/off, switch is pressed and switched on power, on the contrary then deenergization.When the engine starts, coil block 3 no electric circuit in engaging and disengaging gear 7, gap is had between driving disc 1 and driven disc 2, engine power cannot transmit backward, only need overcome the resistance of itself during engine start, under normal startup rotating speed, the starting torque provided is enough to the moment of torsion overcome needed for actual loading, motor is easy to start, thus ensure that vehicle normally uses, and improves the reliability that vehicle uses; After engine start, connect the power supply leading to coil block 3, by electromagnetic force, driving disc 1 and driven disc 2 are fitted, engine power can transmit backward.
Engaging and disengaging gear 7 can also comprise spring (not shown), and spring is arranged between driving disc 1 and driven disc 2; When energized, coil block 3 makes camber of spring, compensates the gap between driving disc 1 and driven disc 2 by the distortion of spring, and driving disc 1 and driven disc 2 are fitted; When deenergization, spring resiles, and there is gap between driving disc 1 and driven disc 2.
In a specific embodiment of the present utility model, driver can be platen (not shown), and platen is connected with source of the gas or hydraulic power; When source of the gas or hydraulic power supply power to platen, platen makes driving disc 1 and driven disc 2 fit; When source of the gas or hydraulic power do not supply power to platen, between driving disc 1 and driven disc 2, there is gap.
In a specific embodiment of the present utility model, engaging and disengaging gear 7 can also comprise snubber, and snubber is arranged on the power intake of engaging and disengaging gear 7.
After engine start, power is first by snubber (with the engine flywheel connecting end) buffer shock-absorbing in engaging and disengaging gear 7, pass to the transmission shaft of the driving disc in engaging and disengaging gear, driven disc and transmission system, gearbox again, reduce the impact of engine luggine to transmission system, ensure engine power smooth transfer.
In a specific embodiment of the present utility model, snubber can be rubber element 4.
In a specific embodiment of the present utility model, engaging and disengaging gear 7 can also comprise output flange 5, and transmission of power to output flange 5, is delivered to the power of output flange 5 successively to follow-up driving component transmission by driven disc 2, thus ensures the normal work of vehicle.
In a specific embodiment of the present utility model, engaging and disengaging gear 7 can also comprise bolt 6, and driven disc 2 is connected with output flange 5 by bolt 6.
The utility model additionally provides a kind of hoist, can comprise the engaging and disengaging gear 7 for power transmission system as above.
In a specific embodiment of the present utility model, as shown in Figure 2, hoist can also comprise motor 8, first transmission shaft 9, gearbox 10, second driving shaft 11 and axletree 12, and motor 8, engaging and disengaging gear 7, first transmission shaft 9, gearbox 10, second driving shaft 11 are connected successively with axletree 12.
When hoist works, first power be delivered on engaging and disengaging gear 7 by motor, gearbox 10 is delivered to through the first transmission shaft 9, then exported by gearbox 10 output terminal, be delivered to second driving shaft 11, axletree 12, wheel (not shown), by overcoming the resistance such as resistance of air, rolling resistance, vehicle is driven to advance.
Motor, the first transmission shaft, gearbox, second driving shaft and axletree are all prior aries, no longer launch herein to describe.
Motor, engaging and disengaging gear, the first transmission shaft, gearbox, the Connecting format between second driving shaft and axletree, connecting means are all prior aries, no longer launch herein to describe.
Above-mentioned arbitrary technological scheme disclosed in the utility model unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the utility model just discloses component values to illustrate the technical solution of the utility model, and the above-mentioned numerical value enumerated should not form restriction the utility model being created to protection domain.
If employ the word such as " first ", " second " herein to limit component, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to component, the implication that above-mentioned word is not special.
Simultaneously, if above-mentioned the utility model discloses or relate to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technological scheme disclosed in above-mentioned the utility model for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts that the utility model provides both can be assembled by multiple independent constituent element, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope of the utility model request protection.
Claims (9)
1., for an engaging and disengaging gear for power transmission system, it is characterized in that:
Comprise driving disc (1), driven disc (2) and driver, driver is used for the transmission of power of driving disc (1) to driven disc (2);
When engaging and disengaging gear (7) does not use, driver makes to be existed gap, stops transferring power between driving disc (1) and driven disc (2); When engaging and disengaging gear (7) uses, driver makes driving disc (1) and driven disc (2) fit, and power passes to driven disc (2) from driving disc (1).
2. engaging and disengaging gear according to claim 1, is characterized in that:
Driver is coil block (3), and coil block (3) is connected with power supply; When energized, coil block (3) makes driving disc (1) and driven disc (2) fit by electromagnetic force; When deenergization, between driving disc (1) and driven disc (2), there is gap.
3. engaging and disengaging gear according to claim 1, is characterized in that:
Driver is platen, and platen is connected with source of the gas or hydraulic power; When source of the gas or hydraulic power supply power to platen, platen makes driving disc (1) and driven disc (2) fit; When source of the gas or hydraulic power do not supply power to platen, between driving disc (1) and driven disc (2), there is gap.
4. engaging and disengaging gear according to claim 1, is characterized in that:
Described engaging and disengaging gear (7) also comprises snubber, and snubber is arranged on the power intake of engaging and disengaging gear (7).
5. engaging and disengaging gear according to claim 4, is characterized in that:
Described snubber is rubber element (4).
6. engaging and disengaging gear according to claim 1, is characterized in that:
Described engaging and disengaging gear (7) also comprises output flange (5), driven disc (2) by transmission of power to output flange (5).
7. engaging and disengaging gear according to claim 6, is characterized in that:
Described engaging and disengaging gear (7) also comprises bolt (6), and driven disc (2) is connected with output flange (5) by bolt (6).
8. a hoist, is characterized in that:
Comprise the engaging and disengaging gear for power transmission system (7) described in any one of claim 1-7.
9. hoist according to claim 8, is characterized in that:
Described hoist also comprises motor (8), the first transmission shaft (9), gearbox (10), second driving shaft (11) and axletree (12), and motor (8), engaging and disengaging gear (7), the first transmission shaft (9), gearbox (10), second driving shaft (11) are connected successively with axletree (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656867.8U CN204553600U (en) | 2014-11-05 | 2014-11-05 | A kind of engaging and disengaging gear for power transmission system and hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656867.8U CN204553600U (en) | 2014-11-05 | 2014-11-05 | A kind of engaging and disengaging gear for power transmission system and hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553600U true CN204553600U (en) | 2015-08-12 |
Family
ID=53828715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420656867.8U Active CN204553600U (en) | 2014-11-05 | 2014-11-05 | A kind of engaging and disengaging gear for power transmission system and hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553600U (en) |
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2014
- 2014-11-05 CN CN201420656867.8U patent/CN204553600U/en active Active
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