CN111608915A - Multistage fire pump of high-efficient water delivery - Google Patents
Multistage fire pump of high-efficient water delivery Download PDFInfo
- Publication number
- CN111608915A CN111608915A CN202010335471.3A CN202010335471A CN111608915A CN 111608915 A CN111608915 A CN 111608915A CN 202010335471 A CN202010335471 A CN 202010335471A CN 111608915 A CN111608915 A CN 111608915A
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- Prior art keywords
- fire pump
- heat dissipation
- water delivery
- pump body
- fire
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/08—Multi-stage pumps the stages being situated concentrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Abstract
The invention relates to the technical field of fire pumps, in particular to a multistage fire pump for high-efficiency water delivery, which comprises a fire pump body and a motor arranged on the fire pump body, wherein the rear end surface of the motor is fixedly connected with an external cover through a screw, an exhaust fan is arranged in the external cover, a plurality of radiating through grooves are formed in the end wall of the external cover, the centers of the covers outside the radiating through grooves are arranged at equal angles, and the bottom surface of the fire pump body is connected to a bottom plate through a damping mechanism; the heat dissipation effect of the motor during working can be improved by means of the exhaust fan, the heat dissipation speed can be increased by the plurality of heat dissipation through grooves, and the condition that heat is not discharged to the outside and is retained in the outer cover to affect heat dissipation is avoided, so that the heat dissipation effect is ensured; simultaneously, damper can reduce the vibration that fire pump body during operation produced, plays the promotion effect to extension service life and reduction maintenance frequency, indirectly reaches high-efficient water delivery effect.
Description
Technical Field
The invention relates to the technical field of fire pumps, in particular to a multistage fire pump for high-efficiency water delivery.
Background
As the name suggests, the fire pump used in fire fighting is an imported foreign product, is divided into different types according to different classification modes, has the characteristics of full sealing, no leakage and corrosion resistance, is widely applied to departments of environmental protection, water treatment, fire fighting and the like, is used for pumping various liquids, and is an ideal pump and fire fighting system for creating a non-leakage and non-pollution civilized workshop and a civilized factory. The pump types are all similar, with differences in head and flow.
Vertical multistage fire pump generally places subaerial through supporting the base, when the intensity of a fire at the scene of a fire is great, often need single vertical multistage fire pump to last the high strength operation, can produce a large amount of heats, the heat is too much can influence the water delivery condition of fire pump, though the motor rear portion on the current most fire pump all is provided with the flabellum, thereby reach the radiating effect, but because radiating groove quantity is less on the rear end cap, cause the heat to arrange outside not to delay and influence radiating condition in the motor afterbody easily, influence water delivery efficiency.
Therefore, the multistage fire pump for high-efficiency water delivery is provided.
Disclosure of Invention
The invention aims to provide a multistage fire pump for high-efficiency water delivery, which can improve the heat dissipation effect of a motor during working by virtue of an exhaust fan, and the plurality of heat dissipation through grooves can accelerate the heat dissipation rate, so that the condition that the heat is not discharged to the outside and is retained in an outer cover to affect heat dissipation is avoided, and the heat dissipation effect is ensured; damper can reduce the vibration that fire pump body during operation produced, plays the promotion effect to increase of service life and reduction maintenance frequency, indirectly reaches high-efficient water delivery effect to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a multistage fire pump for high-efficiency water delivery comprises a fire pump body and a motor arranged on the fire pump body, wherein the rear end face of the motor is fixedly connected with an external cover through a screw, an exhaust fan is arranged in the external cover, a plurality of heat dissipation through grooves are formed in the end wall of the external cover, the centers of the external covers except the heat dissipation through grooves are arranged at equal angles, and the bottom surface of the fire pump body is connected to a bottom plate through a damping mechanism; the fire pump is used for fire protection as the name suggests, particularly when the fire intensity of a fire scene is large, a single vertical multistage fire pump is often required to continuously operate at high intensity, but the continuous use at high intensity can enable the fire pump to generate a large amount of heat, the excessive heat further influences the water delivery condition of the fire pump, and although the fan blades are arranged at the rear part of the motor in the prior art, the heat dissipation effect is achieved, but because the number of the heat dissipation grooves on the rear end cover is small, the heat is easily discharged out and is not retained in the tail part of the motor to influence the heat dissipation condition; by adopting the technical scheme, the heat dissipation effect of the motor during working can be improved by means of the exhaust fan, so that the use effect of the fire pump body can be indirectly guaranteed, and particularly, after the fire pump body works for a long time, heat generated by the motor is rapidly discharged in time, so that the effect of prolonging the service life can be achieved; the plurality of heat dissipation through grooves can accelerate the heat discharge rate, and the condition that the heat is not discharged to the outside and stays in the outer cover to affect heat dissipation is avoided, so that the heat dissipation effect is ensured; damper can reduce the vibration that fire pump body during operation produced, plays the promotion effect to increase of service life and reduction maintenance frequency, indirectly reaches high-efficient water delivery effect.
Preferably, the exhaust fan is fixedly connected to the corresponding position of the inner peripheral wall of the external cover through a plurality of equal mounting rods; through adopting above-mentioned technical scheme, benefit from and add to cover with the motor for the part structure outward, rather than on fixing the main shaft of motor with the flabellum to can select whether to add to install and add to cover outward according to actual demand, improve the practicality.
Preferably, the damping mechanisms are provided with two groups and are respectively arranged at four corners of the upper surface of the bottom plate, each damping mechanism comprises one end of a connecting rod which is rotatably connected to the front side and the rear side of the bottom of the fire pump body, the other end of each connecting rod obliquely extends downwards towards the outer side of the bottom plate and is rotatably connected to the top of the sliding piece through a rotating shaft, the middle of each sliding piece is slidably connected with a sliding rod, two ends of each sliding rod are fixedly connected to the fixed blocks, the fixed blocks are fixedly connected to corresponding positions of the upper surface of the bottom plate, damping springs are fixedly connected between the sliding pieces and the corresponding opposite surfaces of the corresponding fixed blocks on the outer sides and are serially arranged on the sliding; when the fire pump carries out fire fighting treatment on a fire scene, the fire pump continuously sprays water to fire areas to eliminate the fire in the fire areas, and the fire pump cannot extinguish the fire in a short time in places with serious fire conditions, and meanwhile, the environment of each fire area is different, so that the fire pump is easy to topple when the fire is eliminated at an unstable position, so that the elimination of the fire in the fire areas is influenced, and the life and property safety of the masses is timely maintained; when the fire pump body is in operation, the vibration that the fire pump body produced passes through the connecting rod and transmits to the slider on, the damping spring that the slider compression corresponds to reach the effect of buffering energy dissipation, can effectively reduce the noise that the fire pump body during operation produced, and can reduce the vibration that the fire pump body received, play the promotion effect to the increase of service life and reduction maintenance frequency.
Preferably, side wall portions for rotatably connecting the lower ends of the connecting rods are formed on two sides of the sliding part, a bottom wall portion is formed between the lower edges of the opposite surfaces of the two side wall portions, a protruding block is formed at the middle of the bottom wall portion in a protruding mode, and a through hole for the sliding rod to penetrate and slide is formed in the middle of the protruding block; by adopting the technical scheme, the sliding part is convenient to mount among all components in the damping mechanism due to the structure, so that the possibility of actual manufacturing and mounting is improved.
Preferably, the middle parts of the bottom surfaces of the side wall parts are fixedly connected with sliding strips, and the sliding strips are slidably connected in sliding grooves formed in corresponding positions on the bottom plate; through adopting above-mentioned technical scheme to can receive the connecting rod when promoting at the slider, make the damping spring that the slider extrusion corresponds, with the effect of moving away to avoid possible earthquakes of buffering to the fire control pump body of reaching fast.
Preferably, the lower surface of the bottom plate is compounded with a layer of rubber anti-skid pad for increasing friction force; through adopting above-mentioned technical scheme, can improve the stability when fire pump body moves through the rubber slipmat.
Preferably, the distance between the external cover and the plurality of heat dissipation through grooves and the exhaust fan is fifteen centimeters; through adopting above-mentioned technical scheme, will dispel the heat and lead to the groove and establish to fifteen centimetres apart from the distance between the exhaust fan, can enough improve the radiating efficiency of fire pump body, the noise that can further reduction fire pump during operation produced eliminates the vibration of the fire pump body that the sound reason leads to, has further reduced rocking of fire pump during operation to stability when having improved fire pump operation.
Preferably, swinging pieces are arranged between the inner walls of the plurality of heat dissipation through grooves, inclined holes are formed in the swinging pieces, one ends of the two swinging pieces are respectively hinged to the inner walls of the heat dissipation through grooves, the other ends of the two swinging pieces are in contact with each other, and the swinging pieces control the swinging of the swinging pieces through a trigger arranged on a damping spring; by adopting the technical scheme, the swinging pieces can eliminate the influence on the rotation of the fan blades due to the continuous accumulation of foreign matters entering the additional cover, so that the heat dissipation effect on the fire-fighting pump body is influenced; when the fire pump body operates, vibration generated by the fire pump body is transmitted to the sliding piece through the connecting rod, and the sliding piece compresses the corresponding damping spring, so that the trigger on the damping spring is triggered, and the swinging of the swinging piece is controlled; on the other hand, the size of the notch of the heat dissipation through groove can be changed in real time by the swinging piece, and heat dissipation of the fire pump is further performed aiming at different conditions, so that the practicability of the fire pump is improved; meanwhile, the inclined holes can guarantee convection of cold air and hot air, and can prevent external substances from entering the additional cover, so that the rotation of the fan blades is prevented from being influenced, and the heat dissipation efficiency of the fire pump is indirectly improved.
The invention has the beneficial effects that:
1. according to the invention, the heat dissipation effect of the motor during working can be improved by means of the exhaust fan, so that the use effect of the fire pump body can be indirectly ensured, and particularly, after the fire pump body works for a long time, heat generated by the motor is rapidly exhausted in time, so that the effect of prolonging the service life can be achieved; a plurality of heat dissipation logical grooves can accelerate heat exhaust rate, avoid the heat to arrange outside not to delay and add the radiating condition of influence in covering outward to guarantee the radiating effect.
2. According to the invention, the vibration generated during the working of the fire pump body can be reduced through the damping mechanism, the service life is prolonged, the maintenance frequency is reduced, and the high-efficiency water delivery effect is indirectly achieved.
3. According to the invention, through the mutual matching between the trigger and the swinging piece on the damping spring, the swinging piece can not only prevent external substances from entering the external cover, but also accelerate the convection between hot air and cold air, so that the heat dissipation of the fire pump is realized, and the service life of the fire pump is further prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the exhaust fan of the present invention;
FIG. 3 is a schematic diagram of a heat dissipation through-slot according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
FIG. 5 is a schematic view of the structure of the sliding member of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3;
in the figure: 1. a fire pump body; 2. an electric motor; 3. covering with a cover; 4. an exhaust fan; 5. a heat dissipation through groove; 6. a base plate; 7. a connecting rod; 8. a slide bar; 9. a sidewall portion; 10. a slide bar; 11. a chute; 12. a damping spring; 13. a fixed block; 14. a bottom wall portion; 15. mounting a rod; 16. a swinging sheet; 17. and (4) inclined holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
a multistage fire pump for high-efficiency water delivery comprises a fire pump body 1 and a motor 2 arranged on the fire pump body 1, wherein the rear end face of the motor 2 is fixedly connected with an external cover 3 through a screw, an exhaust fan 4 is arranged in the external cover 3, a plurality of heat dissipation through grooves 5 are formed in the end wall of the external cover 3, the centers of the external covers 3 except the heat dissipation through grooves 5 are arranged at equal angles, and the bottom surface of the fire pump body 1 is connected to a bottom plate 6 through a damping mechanism; the fire pump is used for fire protection as the name suggests, particularly when the fire intensity of a fire scene is large, a single vertical multistage fire pump is often required to continuously operate at high intensity, but the continuous use at high intensity can enable the fire pump to generate a large amount of heat, the excessive heat further influences the water delivery condition of the fire pump, and although the fan blades are arranged at the rear part of the motor in the prior art, the heat dissipation effect is achieved, but because the number of the heat dissipation grooves on the rear end cover is small, the heat is easily discharged out and is not retained in the tail part of the motor to influence the heat dissipation condition; by adopting the technical scheme, the heat dissipation effect of the motor 2 during working can be improved by means of the exhaust fan 4, so that the use effect of the fire pump body 1 can be indirectly ensured, and particularly, after the fire pump body 1 works for a long time, heat generated by the motor 2 is rapidly discharged in time, so that the effect of prolonging the service life can be achieved; the plurality of heat dissipation through grooves 5 can accelerate the heat dissipation rate, and avoid the situation that the heat is not discharged outside to be retained in the outer cover 3 to affect heat dissipation, thereby ensuring the heat dissipation effect; damper can reduce the vibration that fire pump body 1 during operation produced, plays the promotion effect to increase of service life and reduction maintenance frequency, indirectly reaches high-efficient water delivery effect.
As a specific embodiment of the present invention, the exhaust fan 4 is fixedly connected to the corresponding position of the inner peripheral wall of the external cover 3 through a plurality of equal mounting rods 15; through adopting above-mentioned technical scheme, benefit from and add the lid 3 with motor 2 for the part structure outward, rather than on fixing the flabellum to motor 2's main shaft to whether can add the lid 3 outward according to the selection of actual demand, improve the practicality.
As a specific embodiment of the invention, the damping mechanisms are provided with two groups and are respectively arranged at four corners of the upper surface of the bottom plate 6, each damping mechanism comprises one end of a connecting rod 7 which is rotatably connected to the front side and the rear side of the bottom of the fire pump body 1, the other end of the connecting rod 7 extends downwards in an inclined manner towards the outer side direction of the bottom plate 6 and is rotatably connected to the top of a sliding part through a rotating shaft, the middle part of the sliding part is slidably connected with a sliding rod 8, two ends of the sliding rod 8 are fixedly connected to fixed blocks 13, the fixed blocks 13 are fixedly connected to corresponding positions on the upper surface of the bottom plate 6, damping springs 12 are fixedly connected between opposite surfaces of the sliding part and the corresponding fixed blocks 13 positioned on the outer side, the damping springs 12 are arranged on; when the fire pump carries out fire fighting treatment on a fire scene, the fire pump continuously sprays water to fire areas to eliminate the fire in the fire areas, and the fire pump cannot extinguish the fire in a short time in places with serious fire conditions, and meanwhile, the environment of each fire area is different, so that the fire pump is easy to topple when the fire is eliminated at an unstable position, so that the elimination of the fire in the fire areas is influenced, and the life and property safety of the masses is timely maintained; when fire pump body 1 is in the operation, the vibration that fire pump body 1 produced passes through connecting rod 7 and transmits to the slider on, damping spring 12 that the slider compression corresponds to reach the effect of buffering energy dissipation, can effectively reduce the noise that fire pump body 1 during operation produced, and can reduce the vibration that fire pump body 1 received, play the promotion effect to extension service life and reduction maintenance frequency.
As a specific embodiment of the present invention, both sides of the sliding part form side wall parts 9 for rotatably connecting the lower ends of the connecting rods 7, a bottom wall part 14 is formed between the lower edges of the opposite surfaces of the two side wall parts 9, a projection is formed at the middle part of the bottom wall part 14 in a raised manner, and a through hole for the sliding rod 8 to pass through and slide is formed at the middle part of the projection; by adopting the technical scheme, the sliding part is convenient to mount among all components in the damping mechanism due to the structure, so that the possibility of actual manufacturing and mounting is improved.
As a specific embodiment of the present invention, the middle parts of the bottom surfaces of the side wall portions 9 are fixedly connected with sliding strips 10, and the sliding strips 10 are slidably connected to sliding grooves 11 formed in corresponding positions on the bottom plate 6; by adopting the technical scheme, when the sliding part is pushed by the connecting rod 7, the sliding part extrudes the corresponding damping spring 12, so that the buffering and shock-absorbing effects on the fire-fighting pump body 1 are quickly achieved.
As a specific embodiment of the present invention, the lower surface of the bottom plate 6 is compounded with a layer of rubber anti-slip pad for increasing friction force; through adopting above-mentioned technical scheme, can improve the stability when fire pump body 1 moves through the rubber slipmat.
As a specific embodiment of the present invention, the distance between the plurality of heat dissipation through slots 5 and the exhaust fan 4 on the external cover 3 is fifteen centimeters; through adopting above-mentioned technical scheme, will dispel the heat and lead to groove 5 and establish to fifteen centimetres apart from 4 distances of exhaust fan, can enough improve the radiating efficiency of fire pump body 1, noise that the reduction fire pump during operation that again can be further produced eliminates the vibration of fire pump body 1 that the sound reason leads to, has further reduced rocking of fire pump during operation to stability when having improved fire pump operation.
As a specific embodiment of the present invention, a plurality of oscillating plates 16 are disposed between the inner walls of the heat dissipation through slots 5, the oscillating plates 16 are provided with inclined holes 17, one end of each of the two oscillating plates 16 is hinged to the inner wall of the heat dissipation through slot 5, the other ends of the two oscillating plates are in contact with each other, and the oscillating plates 16 control the oscillation of the oscillating plates 16 through actuators mounted on the damping springs 12; by adopting the technical scheme, the swinging piece 16 can eliminate the influence on the rotation of the fan blades due to the continuous accumulation of foreign matters entering the external cover 3, so that the heat dissipation effect on the fire-fighting pump body 1 is influenced; when the fire pump body 1 operates, vibration generated by the fire pump body 1 is transmitted to the sliding part through the connecting rod 7, and the sliding part compresses the corresponding damping spring 12, so that the trigger on the damping spring 12 is triggered, and the swinging of the swinging piece 16 is controlled; on the other hand, the size of the notch of the heat dissipation through groove 5 can be changed in real time by the swinging piece 16, so that heat dissipation of the fire pump is further performed according to different conditions, and the practicability of the fire pump is improved; meanwhile, the inclined holes 17 can guarantee convection of cold air and hot air, prevent external substances from entering the additional cover 3, avoid influencing rotation of the fan blades and indirectly improve the heat dissipation efficiency of the fire pump.
The working principle is as follows: the heat dissipation effect of the motor 2 during working can be improved by means of the exhaust fan 4, so that the use effect of the fire pump body 1 can be indirectly guaranteed, and particularly, after the fire pump body 1 works for a long time, heat generated by the motor 2 is rapidly exhausted in time, so that the effect of prolonging the service life can be achieved; the plurality of heat dissipation through grooves 5 can accelerate the heat dissipation rate, and avoid the situation that the heat is not discharged outside to be retained in the outer cover 3 to affect heat dissipation, thereby ensuring the heat dissipation effect; damper can reduce the vibration that fire pump body 1 during operation produced, plays the promotion effect to increase of service life and reduction maintenance frequency, indirectly reaches high-efficient water delivery effect.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multistage fire pump of high-efficient water delivery, includes motor (2) that set up on fire pump body (1) and fire pump body (1), its characterized in that: the rear end face of motor (2) passes through screw fixedly connected with and adds lid (3) outward, and is provided with exhaust fan (4) outward with covering (3), it leads to groove (5) to have seted up a plurality of heat dissipations on the end wall of outer lid (3), and the center that a plurality of heat dissipations lead to groove (5) with covering (3) beyond is the equal angle and arranges, the underrun damping mechanism of fire pump body (1) is connected with on bottom plate (6).
2. A multistage fire pump for high efficiency water delivery as defined in claim 1, wherein: exhaust fan (4) through a plurality of equidistant installation pole (15) fixed connection in add the corresponding position of the internal perisporium of lid (3) outward.
3. A multistage fire pump for high efficiency water delivery as defined in claim 2, wherein: damper is provided with two sets ofly and arranges respectively in the upper surface four corners department of bottom plate (6), and damper all includes to rotate connecting in connecting rod (7) of both sides around fire pump body (1) bottom, and the other end of connecting rod (7) extends down towards bottom plate (6) outside direction slope and rotates through the pivot and connect in the top of slider, and the middle part sliding connection of slider has slide bar (8), the equal fixed connection in both ends of slide bar (8) is on fixed block (13), and fixed block (13) fixed connection corresponds the position in bottom plate (6) upper surface, fixedly connected with damping spring (12) between slider and the corresponding fixed block (13) opposite face that is in the outside, and damping spring (12) cluster locate on slide bar (8), the bottom of slider and the last surface sliding connection of bottom plate (6).
4. A multistage fire pump for high efficiency water delivery as defined in claim 3, wherein: lateral wall portions (9) for the lower end of the connecting rod (7) to be connected in a rotating mode are formed on two sides of the sliding piece, a bottom wall portion (14) is formed between the lower edges of opposite surfaces of the two lateral wall portions (9), a protruding block is formed in the middle of the bottom wall portion (14) in a protruding mode, and a through hole for the sliding rod (8) to penetrate through and slide is formed in the middle of the protruding block.
5. A multistage fire pump for high efficiency water delivery as defined in claim 4, wherein: the middle of the bottom surface of the side wall part (9) is fixedly connected with a sliding strip (10), and the sliding strip (10) is connected to a sliding groove (11) formed in the corresponding position on the bottom plate (6) in a sliding mode.
6. A multistage fire pump for high efficiency water delivery as defined in claim 5, wherein: the lower surface of the bottom plate (6) is compounded with a layer of rubber anti-skid pad for increasing friction force.
7. A multistage fire pump for high efficiency water delivery as defined in claim 5, wherein: the distance between the plurality of heat dissipation through grooves (5) on the external cover (3) and the exhaust fan (4) is fifteen centimeters.
8. A multistage fire pump for high efficiency water delivery as defined in claim 7, wherein: a plurality of swinging pieces (16) are arranged between the inner walls of the heat dissipation through grooves (5), inclined holes (17) are formed in the swinging pieces (16), one ends of the two swinging pieces (16) are hinged to the inner walls of the heat dissipation through grooves (5) respectively, the other ends of the two swinging pieces are in mutual contact, and the swinging pieces (16) are controlled to swing through actuators installed on the damping springs (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010335471.3A CN111608915B (en) | 2020-04-24 | 2020-04-24 | Multistage fire pump of high-efficient water delivery |
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| CN202010335471.3A CN111608915B (en) | 2020-04-24 | 2020-04-24 | Multistage fire pump of high-efficient water delivery |
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| CN110729855A (en) * | 2019-11-08 | 2020-01-24 | 江苏科技大学 | Motor with cooling structure |
| CN210142115U (en) * | 2019-02-17 | 2020-03-13 | 烟台凯米斯仪器有限公司 | Effectual water pollution water quality monitoring equipment of shock attenuation |
| EP3467317B1 (en) * | 2017-10-06 | 2020-11-04 | Bühler Motor GmbH | Fluid pump |
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2020
- 2020-04-24 CN CN202010335471.3A patent/CN111608915B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206608327U (en) * | 2017-04-07 | 2017-11-03 | 上海克础机械设备有限公司 | A kind of novel vertical constant pressure fire pump |
| EP3467317B1 (en) * | 2017-10-06 | 2020-11-04 | Bühler Motor GmbH | Fluid pump |
| CN208209683U (en) * | 2018-05-25 | 2018-12-07 | 苏州优德通力科技有限公司 | A kind of air-cooled anti-spray electric machine structure |
| CN109209921A (en) * | 2018-09-13 | 2019-01-15 | 江苏慧博灌排设备有限公司 | A kind of the temperature control regulating system and control method of water pump |
| CN209283000U (en) * | 2019-01-23 | 2019-08-20 | 上海芝南动力科技有限公司 | A kind of centrifugal water pump motor novel radiating component |
| CN210142115U (en) * | 2019-02-17 | 2020-03-13 | 烟台凯米斯仪器有限公司 | Effectual water pollution water quality monitoring equipment of shock attenuation |
| CN110729855A (en) * | 2019-11-08 | 2020-01-24 | 江苏科技大学 | Motor with cooling structure |
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| CN111608915B (en) | 2021-09-24 |
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Effective date of registration: 20210908 Address after: 332400 hometown entrepreneurship Park, shi'ao Township, Xiushui County, Jiujiang City, Jiangxi Province Applicant after: Jiangxi Jiangyang water supply equipment manufacturing Co.,Ltd. Address before: 236041 No. 741, Qinghe East Road, Yingzhou District, Fuyang City, Anhui Province Applicant before: Deng Mingyang |
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