CN101657650B - Firefighting pump transmission mechanism and method for providing power - Google Patents
Firefighting pump transmission mechanism and method for providing power Download PDFInfo
- Publication number
- CN101657650B CN101657650B CN200780051246.XA CN200780051246A CN101657650B CN 101657650 B CN101657650 B CN 101657650B CN 200780051246 A CN200780051246 A CN 200780051246A CN 101657650 B CN101657650 B CN 101657650B
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- gear
- pto
- driving mechanism
- clutch
- impeller shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims description 95
- 238000000034 method Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000008041 oiling agent Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
A firefighting pump transmission for use with an emergency vehicle pump comprising a housing receiving a drive shaft, the drive shaft having a PTO gear affixed thereto within the housing, an impeller shaft for turning an impeller of a pump, and means for selectively powering the impeller shaft from the drive shaft, the means for powering may include a multi-disk clutch. The transmission allows for powering the PTO gear while the impeller shaft is idle. A Commercially Available PTO device may be mounted to the housing to power a variety of devices.
Description
The cross reference of related application
The application requires the preference of the temporary patent application submitted on December 14th, 2006, application number is 60/870,086, and its full content is attached to here by reference.
Technical field
The present invention relates generally to can provide from single live axle the driving mechanism of power to a plurality of devices, and relate more specifically to pump and can give the impeller shaft of fluid pump and at least another device the pump transmission mechanism of power is provided, and relate in particular to the pump of emergency vehicle and the driving mechanism of this class pump.
Background technique
Can give main device and at least another device provide the driving mechanism of power just not have recently.The driving mechanism in some driving mechanisms, especially automobile or truck field, comprise for give main device for example axletree the driver of power is provided, and also can comprise the power output that is commonly called PTO.The PTO device is designed to provide power to auxiliary device, from the host drive of described driving mechanism, obtains power.In some instances, auxiliary device self can obtain power (or being directly connected to main drive gear) from main drive gear, rather than is connected with middle PTO device.The PTO device typically is connected to described main drive gear and and then provides power to auxiliary device.Typically, driving mechanism comprises internal gear, namely " PTO gear ", and in order to drive described auxiliary device or described PTO device, described auxiliary device or described PTO device are connected on described " PTO " gear.
Also designed pump transmission mechanism, comprised the pump transmission mechanism of fire-fighting class, to give for example pump and at least another for example installs suction booster or compressor provides power of main device.Such system comprises that the side that described impeller shaft is contrary from the gear-box with pump transmission mechanism stretches out.One end of described impeller shaft is meshed with described pump impeller, and the other end can be used to provide power to another device simultaneously.In other systems, can comprise that in gear-box inside extra gear is to provide power output.Can find the example of this extra gear in the U.S. Pat 4,587,862 of authorizing in 13 days Mays in 1986 of Huffman (Hoffman).In the patent of Huffman, input link 30 provides power alternately to output link 32 or pump shaft 18 by sliding gear 70.Can find another example of the system of the gear that provides extra in the U.S. Pat 5,145,014 of Ai Beihade (Eberhardt), wherein said driving mechanism provides power to the pump shaft 18 and the air compressor 13 that rotate.
In another fire water pump geartrain systems, on the gear-box of main drive gear or housing, opening is set to receive custom-designed auxiliary drive gear or device.Custom-designed PTO device is for being connected to described auxiliary device by described main drive gear.Auxiliary system can be equipped with the clutch gear of slip with engagement or disengaging driven device.For example, for example suction booster or compressor typically can be installed on the described housing of fire water pump driving mechanism or closely be connected on the described housing of fire water pump driving mechanism auxiliary device.An example of this system is the (W.S.Darley& of W. S. Darley & Co. (US) of state of Wisconsin Qi Peiwa waterfall (Chippewa Falls); Company) the model LDMH pump of manufacturing.
Summary of the invention
Although existing pump transmission mechanism provides power and also allows to main device and provides power to an auxiliary device or some auxiliary devices, but they are limited, thereby, for power being provided to the PTO gear in the shell of described driving mechanism, power is provided must to described pump or impeller shaft.This also is not regarded as problem, but is regarded as on the contrary the true or necessary aspect that can't change of this device.Because the auxiliary device be combined with described pump or pump transmission mechanism needs described pump, seldom or not plan to break away from described pump from described PTO device before this.No doubt, for operation assisting device, for example compressor or pressure-increasing machine need described pump and its water.Yet, the present inventor has realized that, in the situation that do not turn round, the described PTO gear of described impeller shaft running will provide many benefits, for example extend the pump life-span, auxiliary device turns round under the situation that permission is not enough at pump water or lack, for pump transmission mechanism provides multi-functional option so that power and other benefit to be provided to multiple device, if otherwise understanding due to excessive pump wearing and tearing, this can not be turned round suitably.The present inventor also has realized that because being independent of described pump and drives described PTO gear, and the special characteristic of described PTO gear also can be independent of described pump.For example, the type of described PTO gear and size are not to be subject to the rate request of pump or the impact of other specific requirement.Spur wheel, rather than helical gear can be used as described PTO gear.The other side that can improve or use the quantity of different gear spacings and helix angle, wheel tooth and gear is to provide the compatibility with multiple auxiliary device and PTO device.Advantageously, described PTO gear can be configured to be meshed with commercially available (rather than custom-designed) PTO device.Like this, in the situation that the described PTO gear of described impeller shaft running that do not turn round provides further benefit.
Because for the described auxiliary device that turns round must drive described impeller shaft 40, it is nonsensical (make sense) for power is provided to auxiliary device that PTO device 50 (for example commercially available PTO device) is attached on described pump transmission mechanism 20, and this auxiliary device is not used or be inessential for the operation of described pump.In order to keep the working life of described pump, be preferably the described impeller shaft that only turns round in the time of needs.Typically, in the art, driven time of described pump impeller is only the sub-fraction of time of being activated of emergency car.Similarly, described PTO device construction become to be independent of described impeller shaft and operate further benefit is provided.
So, according to the present invention, by PTO gear and the impeller shaft multifunctionality of fire water pump driving mechanism that provides power to improve is provided independently from common live axle.This configuration allows to use independently auxiliary device rather than the described pump that must turn round, this configuration also provides other advantage, also make and can use multiple auxiliary device, and this multiple auxiliary device uses and do not gear to actual circumstances together with pump transmission mechanism while otherwise using before this.
In specific implementations of the present invention, described PTO gear is attached on described driving mechanism live axle.And clutch is placed on described impeller shaft.In a particular aspects, described clutch is connected on described driving mechanism live axle by the clutch actuation gear.The clutch actuation gear is connected on described live axle and with the clutch gear of described clutch and is connected.Can use various types of engaging and disengaging gear, yet the multiplate clutch be placed on described impeller shaft is best." chuck " of described multiplate clutch part is arranged on described impeller shaft and allows to provide power to described impeller shaft when starting described clutch.And, in a particular aspects, described clutch actuation gear is connected to contiguous described PTO gear or contacts with described PTO gear, and both rotate together when described drive shaft turns.Each in these details provides specific benefit and can be independent of other and be performed.
The described PTO gear that is connected to described live axle can be any desired kind.Yet the PTO gear of spur wheel is best.
And, in specific mode of execution, the PTO device is connected on described driving mechanism and with the described PTO gear of the enclosure that is positioned at described driving mechanism and is connected.Particular aspects comprises the side (namely, avoiding being installed to the front and back of described shell) that described PTO device is installed to described shell.
Advantageously, in specific implementations, the assembly department of " commercially available PTO device " as further described hereinafter is received or comprised to described driving mechanism of the present invention.Aspect other, optional drive line is combined with described driving mechanism.And, in particular aspects, by described PTO gear, provided the device of power to install away from described driving mechanism ground.In particular aspects, described PTO device comprises live axle or hydraulic joint.
Aspect other, described impeller shaft comprises the spline feature for the installation of auxiliary device.In particular aspects, this auxiliary device comprises break or oil hydraulic pump.Aspect other, described driving mechanism comprises lubrication system and the pump for lubrication and cooling driving mechanism parts.
In specific implementations according to a further aspect in the invention, by being attached on described live axle by described PTO gear and the described impeller shaft of clutch has solved from the single live axle of fire water pump driving mechanism the problem of power is provided to PTO gear and impeller shaft independently.In particular aspects, the clutch of described impeller shaft comprises that the clutch actuation gear is connected with described live axle, contiguous described PTO gear.Another optional aspect comprise the PTO device is installed on described driving mechanism and by described PTO device with drive line, be connected with to away from auxiliary device power is provided.
Top content shows, provides power not rely on to described pump to described PTO gear power (namely,, in order to drive described PTO gear, described impeller shaft does not need motion) is provided.Alternatively, can be with when to described PTO gear, providing power, optionally to described impeller shaft, providing power to state described concept.In fact, provide power to be independent of to described impeller shaft to described PTO gear power is provided.
Foregoing of the present invention not is intended to describe mode of execution or each realization or the aspect shown in each of the present invention.Following accompanying drawing and detailed description illustrate these mode of executions in more detail.
The accompanying drawing explanation
Fig. 1 is the perspective view that embodies the fire water pump driving mechanism of principle of the present invention;
Fig. 2 is another perspective view of the driving mechanism of Fig. 1, wherein for the clear some parts of having got rid of;
Fig. 3 is another perspective view of the driving mechanism of Fig. 1, wherein for the clear some parts of having got rid of;
Fig. 4 is the sectional view along the line 4-4 intercepting of Fig. 1;
Fig. 5 is the perspective view of the driving mechanism of Fig. 1, wherein is equipped with pump and has got rid of plate;
Fig. 6 is the partial perspective exploded view that embodies the pump transmission mechanism of principle of the present invention;
Fig. 7 is the perspective exploded view of the driving mechanism of Fig. 1;
Fig. 8 is the bottom perspective view of PTO device well known in the prior art;
Fig. 9 embodies the pump of principle of the present invention and the perspective view of driving mechanism and PTO device;
Figure 10 embodies the pump of principle of the present invention and has the perspective view of the driving mechanism of PTO device, and wherein in order to show a part of having got rid of housing;
Figure 11 is the perspective view that embodies the fire water pump driving mechanism of principle of the present invention, and has got rid of the impeller cap;
Figure 12 is the sectional view along the line 12-12 intercepting of Figure 11;
Figure 13 is the perspective view that embodies the fire water pump driving mechanism of principle of the present invention;
Figure 14 has described pump and the pump transmission mechanism of one type well known in the prior art.
Although the present invention can be modified to various distortion and optional form, shown as an example in the accompanying drawings its concrete structure and will describe its concrete structure in detail.However, it should be understood that its purpose is not that the present invention is limited to described specific implementations or aspect.On the contrary, its objective is and cover all modifications, equivalent way and the change fallen in the spirit and scope of the present invention.
Embodiment
Pump well known in the prior art and pump transmission mechanism be in background technique part above, mentioned those and at the device shown in Figure 14.The device of Figure 14 shows pump/pump transmission mechanism 200.Input shaft (it is the axle in the opposite side setting of output shaft 210) enters the housing of described driving mechanism 220 in the front portion of described driving mechanism 220.Auxiliary drive gear 230 is installed to the side of described driving mechanism 220.Described auxiliary drive gear 230 provides power to the less pump 240 of being supplied with by flexible pipe 250.In this existing system, pump 240 is as the pressurized machine for described pump/pump transmission mechanism 200, obtains than the described pump 200 higher pressure of obtainable pressure otherwise.
The clutch gear (not shown) that described auxiliary drive gear 230 is equipped with slip is with engagement or break away from described PTO driven device 240.Shown in situation in, described driven device (auxiliary) is less pump 240.Described PTO driven device 240 can be compressor alternatively.Described driving mechanism 230 is two gear drives that are installed to the side of main drive gear 220 and export the PTO device as power.
In the housing 260 of pump/pump transmission mechanism 200, the gear (not shown) of driving mechanism 230 be arranged on input shaft 210 on " actuation gear " be connected.Described actuation gear provides power to PTO device 230 and idler gear, described idler gear and then provide power to provide power with the described impeller shaft to pump and driving mechanism 200 to the 3rd gear in described housing 260.When described actuation gear rotates, described PTO device 230 and described main lobe wheel shaft in described housing 260 all are provided power.Also have the use PTO of other known type that the fire water pump driving mechanism of power is provided to auxiliary device, wherein said PTO is provided power together with described impeller shaft.
Because, in order to provide power to provide power to described impeller shaft to described PTO gear or described auxiliary device, this known fire water pump driving mechanism lacks multifunctionality.As top pointed, it is waited until the present inventor and recognizes, having the PTO gear that is provided power will provide multiple benefit with being independent of described impeller shaft, as above described in detail.No doubt, driving mechanism mentioned in background technique and in Figure 14 can provide power to auxiliary device, but compares with the present invention, and this driving mechanism is limited.
With reference to figure 1-13, reference numbers 20 is described the driving mechanism that embodies principle of the present invention usually.On the one hand, driving mechanism 20 is fluid pump driving mechanisms and comprises housing 22.Operate and can be used on fire engine or other emergency response car together with the pump of driving mechanism 20 and fire-fighting class.Housing 22 be preferably by cast metal for example iron, be preferably aluminium and make.Housing 22 is individual constructions and can be connected to or comprises bottom 23.Housing 22 is received the live axle 34 that enters in a conventional manner housing 22.Live axle 34 is connected to the clutch actuation gear 30 (referring to Fig. 2-4) in housing 22.Clutch actuation gear 30 is operably connected to impeller shaft 40.Driving mechanism 20 further comprises the PTO gear 32 be connected on live axle 34.According to the present invention, by described PT0 gear 32 and described impeller shaft 40 multifunctionality of fire water pump driving mechanism 20 that provides power to improve is provided independently from common live axle 34.A particular aspects, by clutch, for example clutch 38 provides power optionally to impeller shaft 40.When live axle 34 and gear 32 with 30 can together with while rotating, clutch 38 allows impeller shafts 40 to keep idle.When clutch 38 is activated, impeller shaft 40 rotates.
Preferably, clutch 38 links together clutch actuation gear 30 and impeller shaft 40.Clutch 38 comprises clutch gear 36.Clutch actuation gear 30 is meshed with clutch gear 36.Although can use other kind, preferably, clutch actuation gear 30 is the helical gears that mate with corresponding helical gear 36.Clutch actuation gear 30 forms pump gear group 44 (referring to Fig. 2) together with clutch gear 36.Can change the quantity of the tooth used to obtain the velocity ratio of desired live axle-impeller shaft on gear train 44.Gear train 44 can comprise a plurality of gears, yet for example gear 30 and clutch gear 36 are preferred to use a pair of gear.Should be understood that and can set up specific gear train 44 to there is the rotation output speed be complementary with the best wheel rotation speed of the given pump 60 that can be meshed with impeller shaft 40.
When live axle 34 rotation, 30 rotations of clutch actuation gear, when clutch 38 is activated itself so that make clutch gear 36 rotate to operate impeller shaft 40.When clutch 38 is not activated, clutch gear 36 freely rotates and is supported on bearing 47 on axle 40.Clutch 38 is preferably the well-known multi-disc class with sheet plate 42.Clutch 38 comprises the chuck part 43 be fixedly secured on impeller shaft 40.When described clutch gear 36 rotation, some sheets 42 also rotate.When clutch 38 is activated, plate 42 on chuck 38 or in chuck 38, therefore makes chuck 38 and impeller shaft 40 rotate in conjunction with (bind).The rotational velocity of impeller shaft 40 depends in part on the rotational velocity of live axle 34 and the velocity ratio of gear train 44.The rotational velocity that should be understood that impeller 40 can be different from the rotational velocity of live axle 34.
As top mentioned, driving mechanism 20 comprises the PTO gear 32 be connected on live axle 34.PTO gear 32 is connected on axle 34 and makes PTO gear 32 when axle 34 rotation rotate, and more preferably along axle 34, does not slide but remain on fixed position.Although can use other kind, preferably, PTO gear 32 is spur wheel classes and is arranged in housing 22.PTO gear 32 allows to start independently described pump 60 and described PTO device 50 (referring to Fig. 8-10).More preferably, PTO gear 32 is configured to and commercially available power output, or the PTO50 engagement." commercially available " PTO device is the device be installed on the standard P TO mouth of shell, especially is installed to the mouth with six or eight bolt patterns (pattern) as limited by Society of automotive engineers standard SAEJ704 upper and for being arranged on this device on the mouth with ten bolt patterns on Allison (Allison) driving mechanism.For the example of an indefiniteness of the spur wheel 32 that is combined with the present invention, comprise and the gear 32 of receiving gear 54 (referring to Fig. 8) coupling of PTO50, it is also spur wheel that wherein said PTO receives gear 54.Should be understood that gear 32 can be configured to mate with the receiving gear of other type, be configured to operate together with commercially available PTO device but be preferably.The example of other indefiniteness of the commercially available PTO50 device that can use together with the present invention comprises Chelsea and Muncie (not shown) class.Gear 32 forms PTO gear train 46 (referring to Figure 10) together with receiving gear 54.Can change the quantity of the tooth used to obtain the velocity ratio of desired live axle-PTO output shaft on gear train 46.Gear train 46 can comprise a plurality of gears, yet preferably uses a pair of gear for example gear 32 and receiving gear 54.Should be understood that and can set up specific gear train 46 to there is the rotation output speed with the optimum rotation speeds match of given fixture (not shown fixture).The example of the indefiniteness of some fixtures comprises suction booster, compressor, foam pump (foam concentrate pump), generator or other device.
Preferably, housing 22 limits PTO opening 48 (referring to Fig. 5).PTO opening 48 allows to touch the inner space of housing 22 when clutch actuation gear 30 and 32 running of PTO gear.Preferably, opening 48 is set to clutch-adjacent actuation gear 30 and PTO gear 32.Preferably, housing 22 comprises substantially smooth attachment face 24.Face 24 is positioned on the outside of housing 22 and preferably around the periphery 26 of described PTO opening 48.Preferably, periphery 26 size is set to periphery 26 ' with PTO50 be complementary (referring to Fig. 8).Preferably, attachment face 24 comprises at least one bolt hole 28, and more preferably comprise as shown in the figure at least six bolts hole 28, and most preferably comprise hole or mouth with six or eight bolt patterns as limited by Society of automotive engineers standard SAEJ704, or for being arranged on the mouth with ten bolt patterns on Allison driving mechanism or similar shell.When PTO device 50 is not installed to driving mechanism 20, plate 52 is installed on housing 22, and it covers PTO opening 48 and clutch actuation gear 30 and PTO gear 32.Use bolt 29 so that plate 52 is installed on housing 22.Although can use other size and kind, preferably, plate 52 is rectangular, smooth substantially bodies, and its restriction being positioned at is oriented and the longitudinal axis A (referring to Fig. 4) of live axle 34 parallel plane substantially.Preferably, attachment face 24 limits and is oriented the plane parallel with the longitudinal axis A cardinal principle of live axle 34.Described plane is preferably the gear teeth face (gear flank) that also is parallel to described PTO gear 32 and extends (in the situation that the PTO gear is spur wheel).Should be understood that in the situation that attachment face 24 limits is oriented and the longitudinal axis A of live axle 34 parallel plane substantially PTO50 being arranged on to receive between gear 54 and spur wheel 32 preferred and improved engagement is provided thereon.In the situation that this orientation is not substantially parallel, when with gear 32 engagement or when attempt is connected gear 54 and gear 32, receive otherwise crooked or misalignment of gear 54.Further, as substantially, opening 48 is positioned on the side of driving mechanism 20.
Advantageously, can from PTO50 and housing 22 stretch out or the PTO drive line (drive line is not shown) that extends away from PTO50 and housing 22 owing to driving, the use of commercially available PTO device makes the fixture that can use long range positioning.Drive line can comprise the axle that is connected to or comprises output shaft 56, and can be equipped with U joint or yoke (yoke) element, or can comprise hydraulic coupling.For example, associate member can be arranged on the zone (or on described housing 22 or on the parts of fire engine or other more structural other zone) by reference character 62 marks substantially.This directed permission need not directly be connected to the assembly department on housing 22 by structure, or to other the relatively approaching connection set on driving mechanism 20.
The unique distinction of pump transmission mechanism configuration of the present invention is not start the situation of described impeller shaft 40 or pump 50.When described PTO gear 32 running, can not be for cooling under alternate manner from the water circulation of described pump 50.Like this, the gear of described PTO device 50, and described PTO gear 32 and other gear in housing 22 and element need cooling and/or lubricated.Thereby oiling agent enters and flows out housing 22 and circulate under pressure.Further shown in Figure 4 is oil pump or lubricating pump 64.Oil pump 64 pressure feeds to or lubricate PTO gear and bearing.Preferably be provided with oil strainer 76.Also use the radiator (not shown) with coolant/lubricant for example lubricant oil or automatic fluid transmission.In the situation that this lubrication system even also can obtain cooling when impeller shaft 40 does not mesh.Alternatively, by realizing cooling by oiling agent by the circulation of heat exchanger (not shown).Filter 76 with oiling agent is connected from the lubricant tube 78 of described housing 22 recirculation dump pumps 64.Oiling agent enters the optional heat exchanger for coolant/lubricant or radiator (not shown) from installing 65 (referring to Fig. 6) outflow.Oiling agent can turn back to device, for example installs 67 (referring to Fig. 1) for by substantially at bearing and the gear of impeller shaft 40 positions.
Further, as shown in Figure 11-13, impeller shaft 40 preferably is provided with external splines 70.Break 66 can be installed on spline 70.When clutch 38 breaks away from, break 66 allows axle 40 to brake to stop axle 40 to rotate.Should be understood that line 68 is for engaging clutch 68 and/or break 66.Preferably, when clutch 38 breaks away from, break 66 engages, and vice versa.Preferably, axle 40 also comprises internal spline 72.Spline 72 also can be received oil hydraulic pump (not shown) or oil hydraulic pump joint (not shown).Preferably, the oil hydraulic pump joint is SAE " A " 9 tooth splines.Should be understood that for above-mentioned break 66 and/or hydraulic unit are installed, can get rid of impeller cap 74.Should be understood that described oil hydraulic pump can be used as break and rotates to prevent axle 40 when clutch 38 breaks away from.Also should be understood that internal spline 72 can operate the equipment except break or oil hydraulic pump and have the function of extra power drive position (location).
Description above only illustrates principle of the present invention.For example, although multiplate clutch 38 is installed on described impeller shaft 40, can use other clutch mechanism optionally to open clutch 40.
Although it is therefore to be understood that not shown or not description here, those skilled in the art can design embodiment principle of the present invention and so configuration within the spirit and scope of the present invention of plurality of optional.
Claims (16)
1. a fire water pump driving mechanism comprises:
Be attached to the PTO gear on live axle,
For optionally providing the device of power to impeller shaft from described live axle, power is provided and provides power to described PTO gear to be independent of to described impeller shaft,
For optionally providing the described device of power to comprise clutch, and
Wherein said fire water pump driving mechanism also comprises the clutch actuation gear, and described clutch actuation gear is attached on described live axle and with the clutch gear of described clutch and is connected.
2. driving mechanism as claimed in claim 1, wherein said clutch is that the chuck of multiplate clutch and wherein said clutch is installed on described impeller shaft.
3. driving mechanism as claimed in claim 1, wherein said clutch actuation gear is attached for contiguous described PTO gear.
4. driving mechanism as claimed in claim 1, wherein said PTO gear is spur wheel.
5. driving mechanism as claimed in claim 1, further comprise on the housing that is installed to described driving mechanism and the PTO device be meshed with described PTO gear.
6. driving mechanism as claimed in claim 5, wherein said PTO device is commercially available, can be installed to the PTO device on the shell with the assembly department that meets Society of automotive engineers standard SAE J704.
7. driving mechanism as claimed in claim 5, wherein said PTO device is installed to the side of the housing of described driving mechanism, and wherein said driving mechanism further comprises fire water pump.
8. driving mechanism as claimed in claim 5, wherein said PTO device comprises drive line.
9. driving mechanism as claimed in claim 5, further comprise and pressurized lubricant can be fed to the lubricating pump of described housing.
10. driving mechanism as claimed in claim 9, further comprise radiator at least one filter with cooling described oiling agent and the described oiling agent of filtration.
11. a fire water pump driving mechanism comprises:
Housing;
Be attached to the PTO gear of live axle in described housing;
Impeller shaft, and
For optionally from described live axle, the device of power being provided to described impeller shaft, power is provided and provides power to described PTO gear to be independent of to described impeller shaft,
For providing the device of power to comprise multiplate clutch,
Wherein the fire water pump driving mechanism also comprises the clutch actuation gear, and described clutch actuation gear is attached on described live axle contiguous with described PTO gear, and described clutch actuation gear is connected with the clutch gear of described clutch.
12. pump transmission mechanism as claimed in claim 11, further comprise the opening limited by described housing, around the periphery setting of described opening and limit the attachment face on a plane, described plane is oriented the longitudinal axis that is in substantially parallel relationship to described live axle.
13. pump transmission mechanism as claimed in claim 11, wherein said PTO gear is spur wheel.
14. pump transmission mechanism as claimed in claim 11, further comprise the PTO device be installed on described housing.
15. pump transmission mechanism as claimed in claim 11, further comprise the impeller be connected on described impeller shaft, and wherein said housing is the single-piece housing with bottom.
16. give the PTO gear of fire water pump driving mechanism and the method that impeller shaft provides power for one kind, wherein said PTO gear is arranged on the input shaft of described driving mechanism and described impeller shaft is connected with described input shaft, described method comprises:
Be independent of to described impeller shaft and power be provided and provide power to described PTO gear,
Provide power to be included in while to described PTO gear, providing power wherein to described impeller shaft and optionally to described impeller shaft, provide power,
Provide power to comprise that startup is arranged on the multiplate clutch on described impeller shaft wherein optionally to described impeller shaft, described clutch is driven by described input shaft.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87008606P | 2006-12-14 | 2006-12-14 | |
| US60/870,086 | 2006-12-14 | ||
| PCT/US2007/087626 WO2008076913A2 (en) | 2006-12-14 | 2007-12-14 | Pump transmission with pto gear and independently clutched impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101657650A CN101657650A (en) | 2010-02-24 |
| CN101657650B true CN101657650B (en) | 2013-12-18 |
Family
ID=39537010
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051246.XA Expired - Fee Related CN101657650B (en) | 2006-12-14 | 2007-12-14 | Firefighting pump transmission mechanism and method for providing power |
| CN200780051192.7A Expired - Fee Related CN101652583B (en) | 2006-12-14 | 2007-12-14 | Fire pump transmission |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051192.7A Expired - Fee Related CN101652583B (en) | 2006-12-14 | 2007-12-14 | Fire pump transmission |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN101657650B (en) |
| DE (2) | DE112007003048T5 (en) |
| WO (2) | WO2008076913A2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090114045A1 (en) * | 2007-11-01 | 2009-05-07 | Brian Wilson | Power Take-Off Unit Having Scissor Gears |
| US8678750B2 (en) * | 2010-04-20 | 2014-03-25 | W. S. Darley + Co. | Specialty pump with heat exchanger and system |
| CN103982592B (en) * | 2014-03-14 | 2016-09-28 | 杭州发达齿轮箱集团有限公司 | A kind of fire pump gearbox peculiar to vessel of brake device |
| WO2016090032A1 (en) * | 2014-12-02 | 2016-06-09 | Us Fire Pump Company, L.L.C. | High-capacity fluid pump |
| DE102017126482A1 (en) * | 2017-11-10 | 2019-05-16 | Syn Trac Gmbh | Vehicle-side and attachment-side PTO connection device and a PTO connection device with these two PTO connection devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294130A (en) * | 1977-04-27 | 1981-10-13 | Kubota Ltd. | Transmission for tractor |
| US4587862A (en) * | 1983-07-10 | 1986-05-13 | Hale Fire Pump Company | Transmission for pumps |
| US5145014A (en) * | 1990-12-28 | 1992-09-08 | Hale Fire Pump Company | Air supply system for firefighting apparatus |
| EP1473183A3 (en) * | 2003-04-17 | 2006-06-14 | Kanzaki Kokyukoki MFG. Co., Ltd. | Power-dividing device and axle-driving device for a working vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0141952B1 (en) * | 1983-09-15 | 1987-08-12 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Hydrostatic-mechanical transmission |
| US4811804A (en) * | 1986-12-08 | 1989-03-14 | Emergency One, Inc. | Fire truck with rear-mounted engine |
| US4938085A (en) * | 1987-06-30 | 1990-07-03 | Honda Giken Kogyo Kabushiki Kaisha | Power transmission system in a tractor |
| US5228355A (en) * | 1991-11-15 | 1993-07-20 | Dana Corporation | Pto unit for a transmission or the like including a lubrication system operable only when the pto is in operation |
| ES2101441T3 (en) * | 1993-06-09 | 1997-07-01 | Eaton Corp | INTERMEDIATE TWIN TRANSMISSION AND IMPROVED STRENGTH DEVICE FOR THE SAME. |
| US5913547A (en) * | 1997-07-03 | 1999-06-22 | Muncie Power Products, Inc. | P.T.O. securement method |
| CN2529790Y (en) * | 2001-09-29 | 2003-01-08 | 周鋐 | Power torque divider able to switch driving mode |
| US7070036B2 (en) * | 2003-08-29 | 2006-07-04 | Muncie Power Products, Inc. | Power takeoff device |
| US6979913B2 (en) * | 2004-02-20 | 2005-12-27 | Contour Hardening, Inc. | Vehicle mounted electrical generator system |
| JP4508698B2 (en) * | 2004-03-31 | 2010-07-21 | 株式会社クボタ | Riding mower |
| JP2006153033A (en) * | 2004-11-25 | 2006-06-15 | Kanzaki Kokyukoki Mfg Co Ltd | Pumping device and hydraulic continuously variable transmission |
-
2007
- 2007-12-14 DE DE112007003048T patent/DE112007003048T5/en not_active Withdrawn
- 2007-12-14 CN CN200780051246.XA patent/CN101657650B/en not_active Expired - Fee Related
- 2007-12-14 CN CN200780051192.7A patent/CN101652583B/en not_active Expired - Fee Related
- 2007-12-14 WO PCT/US2007/087626 patent/WO2008076913A2/en active Application Filing
- 2007-12-14 DE DE112007003049T patent/DE112007003049T5/en not_active Withdrawn
- 2007-12-14 WO PCT/US2007/087642 patent/WO2008076924A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294130A (en) * | 1977-04-27 | 1981-10-13 | Kubota Ltd. | Transmission for tractor |
| US4587862A (en) * | 1983-07-10 | 1986-05-13 | Hale Fire Pump Company | Transmission for pumps |
| US5145014A (en) * | 1990-12-28 | 1992-09-08 | Hale Fire Pump Company | Air supply system for firefighting apparatus |
| EP1473183A3 (en) * | 2003-04-17 | 2006-06-14 | Kanzaki Kokyukoki MFG. Co., Ltd. | Power-dividing device and axle-driving device for a working vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008076913A2 (en) | 2008-06-26 |
| CN101652583A (en) | 2010-02-17 |
| WO2008076924A3 (en) | 2008-11-20 |
| WO2008076924A9 (en) | 2008-10-02 |
| CN101657650A (en) | 2010-02-24 |
| WO2008076913B1 (en) | 2008-10-02 |
| DE112007003048T5 (en) | 2009-10-29 |
| WO2008076913A3 (en) | 2008-08-07 |
| CN101652583B (en) | 2014-01-22 |
| WO2008076924A2 (en) | 2008-06-26 |
| DE112007003049T5 (en) | 2009-12-03 |
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