CN202991509U - Variable speed portable fire pump - Google Patents
Variable speed portable fire pump Download PDFInfo
- Publication number
- CN202991509U CN202991509U CN 201220694186 CN201220694186U CN202991509U CN 202991509 U CN202991509 U CN 202991509U CN 201220694186 CN201220694186 CN 201220694186 CN 201220694186 U CN201220694186 U CN 201220694186U CN 202991509 U CN202991509 U CN 202991509U
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- CN
- China
- Prior art keywords
- gear
- gearbox
- pump
- variable speed
- portable fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model relates to a variable speed portable fire pump which comprises a pump body and a gearbox, wherein the pump body is internally provided with an impeller; the gearbox is internally provided with at least two mutually matched gear sets; one gear set is connected with the impeller; the other gear set is connected with a driving device; an annular sealing seat is arranged at a connecting end between the gearbox and the pump body; and gears on the gear sets are dismountable. According to the variable speed portable fire pump, the gearbox is arranged between the pump body and the driving device to achieve the purpose of changing working pressure of the pump body; the gear sets in the gearbox are dismountable, and the gear sets with different gear ratios can be assembled conveniently according to actual demands to realize increase or reduction of a water flow of the pump body; and the variable speed portable fire pump is simple in structure and convenient to operate, and can meet fire-fighting requirements of different distances.
Description
Technical field
The utility model relates to a kind of fire water pump, particularly a kind of variable speed portable fire pump.
Background technique
Portable fire pump, be can with the manpower hand lift carrying and with the Fire Fighting Pumps of light-duty drive unit assembling, portable fire pump mainly is applicable to the fire extinguishing of the fire-fightings such as People's Armed Police's fire brigade, each professional fire-fighting party, industrial and mining enterprise, county town, villages and small towns, the area impassable at fire-fighting vehicle has more superiority, and portable fire pump can also water drainage, the ideal equipment of drought resisting, greening irrigation, water supply and emergent disaster assistance.
Existing portable fire pump is directly water pump to be connected respectively scuttlebutt and gasoline or diesel engine, restart motor, drive the water pump vane high speed rotating, water is introduced water pump from intake pipe, high number by water pump vane rotates generation pressure, then by the pump outlet draining.The water pump water supply of starting working after the water pump diversion, under normal circumstances, engine speed is 3300 rev/mins of left and right, and the water pump water outlet working pressure is in the 0.6MPa left and right.Due to the restriction of the working pressure size of water pump, existing portable fire pump is not suitable for the demand of remote water supply.
The model utility content
Goal of the invention of the present utility model is: have the problem that can not change according to actual needs pump working pressure for prior art, a kind of variable speed portable fire pump is provided.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of variable speed portable fire pump comprises the pump housing and gearbox, is provided with impeller in the described pump housing, is provided with at least two gear trains that cooperatively interact in described gearbox, and one of them gear train connects described impeller, another gear train connecting drive device.The transmission of power of drive unit output is to the gear train in gearbox, and the output speed that gear train has changed drive unit passes to the impeller of the pump housing afterwards, and then changes the fire water pump working speed.
Preferably, comprise two gear trains in described gearbox, i.e. the first gear train, the second gear train, wherein said the first gear train comprises gear shaft one and is connected to gear one on described gear shaft one, described the second gear train comprises gear shaft two and is connected to gear two on described gear shaft two, described gear shaft one connects described impeller, and described gear shaft two connects described drive unit, and described gear one, gear two mesh mutually.
When needs improve the working speed of fire water pump, gear one is selected be small gear, gear two is selected and is gearwheel, just can improve the pump working rotating speed of corresponding fire water pump, namely by suitable gear ratio or speed ratio are set, just can improve or reduce the working speed of fire water pump, thereby realize increase or the minimizing of fire water pump press water flow, satisfy the water requirements of different distance.
Preferably, described gear shaft one is provided with ring sealing base and O-ring seal, and wherein said ring sealing base is positioned at the described pump housing and near described impeller, and described O-ring seal is positioned at described gearbox and close described pump housing exterior edge face.
Be provided with ring sealing base and O-ring seal on gear shaft one, wherein ring sealing base is positioned at the pump housing and close impeller, when impeller drives the press water rotation, ring sealing base can stop that press water flows out the pump housing and flows into gearbox, flow into the gearbox inner chamber in order will further to stop from the press water that pump housing infiltration is come, also be provided with O-ring seals at the ring sealing base end face, double seal can prevent effectively that the press water in the pump housing from flowing in gearbox; Be provided with in addition O-ring seal in gearbox, and be positioned at pump housing exterior edge face, can prevent that gearbox internal tooth wheels from spilling gearbox with machine oil, effectively protects the normal operation of gearbox internal tooth wheels.
Preferably, described gear one detachably is arranged on described gear shaft one, and described gear two detachably is arranged on described gear shaft two.
Gear train in gearbox is detachable, be that described gear one detachably is arranged on described gear shaft one, described gear two detachably is arranged on described gear shaft two, can be in the situation that do not change drive unit, only need the corresponding gear one of dismounting, gear two to change the speed ratio of gearbox, the equipped pump housing that adapts mutually with the drive unit output power, satisfy the demand to fire-fighting pump work pressure size again.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
Variable speed portable fire pump described in the utility model, by between the pump housing and drive unit, gearbox being set, reach the purpose that changes pump housing working pressure, and the gear train in gearbox is detachable, can assemble easily according to the actual requirements the gear train of different gear ratios, realize increase or the minimizing of pump housing water flow, fire-fighting demand simple in structure, easy to operate, as to adapt to different distance.
Description of drawings
Fig. 1 is the structure sectional view of variable speed portable fire pump described in the utility model.
Mark in figure:
1, the pump housing, 101, impeller, 102, pump casing cover, 2, gearbox, 201, gear shift cover, 202, gear shift base, 203, drive unit access hole, 301, gear one, 302, gear shaft one, 401, gear two, 402, gear shaft two, 501, ring sealing base, 502, O-ring seal.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of variable speed portable fire pump, comprise the pump housing 1 and gearbox 2, be provided with impeller 101 in the pump housing 1, be provided with at least two gear trains that cooperatively interact in gearbox 2, one of them gear train connects described impeller 101, and the drive unit that another gear train connecting drive device, drive unit can be selected to commonly use, diesel engine are as power source.Pump casing cover 102 is inter-connected via a bolt joint with gear shift cover 201, gear train be placed on gear shift cover 201 interior after, gear shift base 202 and gear shift cover 201 use bolts are interconnected; In use, gear shift base 202 is connected to drive unit covers, gear train accesses hole 203 by drive unit and is connected to drive unit and covers, and the pump housing 1, gearbox 2, drive unit are connected to an integral body like this, can realize the speed change output of fire water pump, change the working pressure of the pump housing 1.
Comprise two gear trains in the present embodiment in gearbox 2, be respectively gear shaft 1 and be connected to gear 1, the gear shaft 2 402 on gear shaft 1 and be connected to gear 2 401 on gear shaft 2 402, wherein gear shaft 1 connects impeller 101, gear shaft 2 402 connects described drive units, and gear 1, gear 2 401 are intermeshing.The transmission of power of drive unit output is to the gear train in gearbox 2, gear train has changed the impeller 101 that passes to the pump housing 1 after the output speed of drive unit, and then change fire water pump working speed, namely by suitable gear ratio or speed ratio are set, just can improve or reduce the working speed of fire water pump, thereby realize increase or the minimizing of fire water pump press water flow, satisfy the water requirements of different distance.As when need improving the working speed of fire water pump, gear 1 is selected be that small gear, gear 2 401 are selected and be gearwheel, just can improve the pump working rotating speed of corresponding fire water pump.
Simultaneously, gear train in gearbox 2 is detachable, be that gear 1 detachably is arranged on gear shaft 1, gear 2 401 detachably is arranged on gear shaft 2 402, can be in the situation that do not change drive unit, only need the corresponding gear 1 of dismounting, gear 2 401 to change the speed ratio of gearbox 2, then be equipped with the pump housing 1 that adapts mutually with the drive unit output power, satisfy the demand to fire-fighting pump work pressure size.For example drive unit adopts motor, and its rotating speed 3300 rev/mins of left and right, is selected suitable gear train gear ratio under normal circumstances, more than the water pump water outlet working pressure can effectively be brought up to 1.4Mpa from original 0.6MPa, is conducive to the needs of remote water delivery.
in addition, be provided with ring sealing base 501 and O-ring seal 502 on gear shaft 1, and all be positioned at pump casing cover 102 and gear shift cover 201 end face joints, wherein ring sealing base 501 is positioned at the pump housing 1 and close impeller 101, when impeller 101 drives the press water rotation, ring sealing base 501 can stop that press water flows out the pump housing 1 and flows into gearbox 2, flow into gearbox 2 inner chambers in order will further to stop from the press water that the pump housing 1 infiltration is come, also be provided with O-ring seals at ring sealing base 501 end faces, double seal can prevent effectively that the press water in the pump housing 1 from flowing in gearbox 2, be provided with O-ring seal 502 in gearbox 2, and be positioned at the pump housing 1 end face, can prevent effectively that gearbox 2 internal tooth wheels from spilling gearbox 2 with machine oil and entering in the pump housing 1, the normal operation of protection gearbox 2 internal tooth wheels.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. variable speed portable fire pump, it is characterized in that, comprise the pump housing (1) and gearbox (2), be provided with impeller (101) in the described pump housing (1), be provided with at least two gear trains that cooperatively interact in described gearbox (2), one of them gear train connects described impeller (101), another gear train connecting drive device.
2. variable speed portable fire pump according to claim 1, it is characterized in that, comprise two gear trains in described gearbox (2), i.e. the first gear train, the second gear train, wherein said the first gear train comprises gear shaft one (302) and is connected to gear one (301) on described gear shaft one (302), described the second gear train comprises gear shaft two (402) and is connected to gear two (401) on described gear shaft two (402), described gear shaft one (302) connects described impeller (101), described gear shaft two (402) connects described drive unit, described gear one (301), gear two (401) is intermeshing.
3. variable speed portable fire pump according to claim 2, it is characterized in that, described gear shaft one (302) is provided with ring sealing base (501) and O-ring seal (502), wherein said ring sealing base (501) is positioned at the described pump housing (1) and near described impeller (101), and described O-ring seal (502) is positioned at described gearbox (2) and the close described pump housing (1) exterior edge face.
4. according to claim 2 or 3 described variable speed portable fire pumps, it is characterized in that, described gear one (301) detachably is arranged on described gear shaft one (302), and described gear two (401) detachably is arranged on described gear shaft two (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694186 CN202991509U (en) | 2012-12-14 | 2012-12-14 | Variable speed portable fire pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694186 CN202991509U (en) | 2012-12-14 | 2012-12-14 | Variable speed portable fire pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991509U true CN202991509U (en) | 2013-06-12 |
Family
ID=48562695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694186 Expired - Lifetime CN202991509U (en) | 2012-12-14 | 2012-12-14 | Variable speed portable fire pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU201646U1 (en) * | 2018-12-17 | 2020-12-24 | Общество с ограниченной ответственностью "УНИМОД ГРУПП" | Fire pump |
-
2012
- 2012-12-14 CN CN 201220694186 patent/CN202991509U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU201646U1 (en) * | 2018-12-17 | 2020-12-24 | Общество с ограниченной ответственностью "УНИМОД ГРУПП" | Fire pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |