CN114673661A - Uninterrupted water diversion device for fire truck water pump - Google Patents
Uninterrupted water diversion device for fire truck water pump Download PDFInfo
- Publication number
- CN114673661A CN114673661A CN202210216429.9A CN202210216429A CN114673661A CN 114673661 A CN114673661 A CN 114673661A CN 202210216429 A CN202210216429 A CN 202210216429A CN 114673661 A CN114673661 A CN 114673661A
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- pump
- water tank
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 306
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims description 27
- 239000008233 hard water Substances 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an uninterrupted water diversion device of a fire engine water pump, which relates to the technical field of fire-fighting equipment. According to the invention, the water wheel is rotated by the impact of the nozzle on the water wheel in the water diversion process, the water wheel rotates to sequentially drive the rotating shaft, the main gear, the auxiliary gear and the rotating shaft to rotate, so that the rotation of the blade is realized, the rotation of the blade cuts sundries around the water absorption filter cylinder, and the blockage caused by the sundries wound on the water absorption filter cylinder is avoided.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to an uninterrupted water diversion device for a water pump of a fire engine.
Background
At present, the fire engine mainly takes water from three ways, one is to take water from a fire hydrant, the other is to take water from a water tank of the fire engine, and the other is to take water from an external water source such as a pond, a water pool and the like. In the process of forced rescue and relief work, particularly in places without fire hydrants, the conventional method is as follows: firstly, the water source in the water tank of the fire engine is taken, and then the water source is taken from the external water sources such as a pond, a water pool and the like.
At present, when the emergency rescue and disaster relief work is carried out, the situation that a water source in a fire fighting truck is insufficient, an external water source is an important way for realizing uninterrupted water utilization, and at present, a structure for leading water from the external water source after the fire fighting truck finishes the fire fighting water utilization is common, but the following problems often occur in the process: the external water source environment is complex, and the diversion pipe is blocked easily in the diversion process, so that the diversion cannot be realized, and the purpose of uninterrupted diversion cannot be achieved.
Disclosure of Invention
The invention provides an uninterrupted water diversion device for a water pump of a fire truck, which solves the technical problem of fire fighting water diversion.
In order to solve the technical problem, the invention provides an uninterrupted water diversion device for a water pump of a fire engine, which comprises a fire water tank, a water outlet pump, an external water source water diversion mechanism and an anti-blocking structure, wherein the water outlet pump is connected with a water outlet pipe, the water outlet pump is connected with the fire water tank through a first water inlet pipe, the uninterrupted water diversion device comprises a water diversion pipe, a water diversion pump, a water absorption filter cylinder and the anti-blocking structure, the water absorption filter cylinder is butted at one end of the water diversion pipe, the water diversion pump is connected with the water diversion pipe, the anti-blocking structure is connected with the water diversion pipe and close to the water absorption filter cylinder, and the anti-blocking structure is used for preventing impurities of an external water source from blocking the water absorption filter cylinder.
Preferably, the fire water tank comprises a main water tank and a filtering water tank, the filtering water tank is mounted on the filtering water tank, the water inlet pipe is communicated with the main water tank, the filtering water tank is connected to the water outlet pump through a second water inlet pipe, and the first water inlet pipe and the second water inlet pipe are both provided with electromagnetic valves;
the water guide pipe is connected with the filtering water tank, the water guide pump guides an external water source to the filtering water tank through the water suction filter cylinder, and the filtering water tank filters the external water source and then guides the external water source out of the second water inlet pipe, the water outlet pump and the water outlet pipe.
Preferably, the filtering water tank comprises a tank body arranged in the main water tank and at least one filtering plate arranged on the tank body and distributed along the length direction of the tank body, and the second water inlet pipe and the water conduit pipe are respectively arranged at two ends of the filtering water tank.
Preferably, be provided with level sensor in the main water tank, fire water tank installs in the fire engine, install the siren on the fire engine.
Preferably, the water conduit comprises a hard water pipe section close to one end of the water absorption filter cylinder, the anti-blocking structure comprises a shell, a nozzle and a water wheel, the nozzle is arranged in the hard water pipe section, the diameter of the nozzle is gradually reduced from one end close to the water absorption filter cylinder to the other end, and the water wheel is close to one end, with the smaller diameter, of the nozzle;
The water wheel is provided with a rotating shaft penetrating through the water diversion pipe, the upper end of the rotating shaft is connected with a main gear arranged in the shell, the outer side of the main gear is provided with at least one pinion arranged in the shell, the pinion is connected with a rotating shaft which is parallel to the hard water pipe section and faces the water absorption filter cylinder, and the bottom end of the rotating shaft is provided with a blade.
Preferably, the rotating shaft comprises an inner shaft, an outer shaft and a connecting bearing, an ordering assembly which enables the blade to move vertically is arranged in the housing, one end of the inner shaft is connected with the pinion, the lower end of the inner shaft is connected with the outer shaft through a spline, the connecting bearing is installed on the outer shaft, the driving piece comprises a rectangular block sleeved on the hard water pipe, a connecting plate is sleeved on the outer side of the rectangular block in a sliding mode, the connecting bearing is installed in the connecting plate, a driving motor and a driving rod are connected onto the rectangular block, and the driving rod is connected with the connecting plate.
Preferably, the bottom of the water absorption filter cylinder is provided with a balancing weight.
Preferably, the driving motor and the driving rod are provided with two groups and are respectively arranged on two sides of the rectangular block.
Has the beneficial effects that:
according to the invention, the water wheel is rotated by the impact of the nozzle on the water wheel in the water diversion process, the water wheel rotates to sequentially drive the rotating shaft, the main gear, the auxiliary gear and the rotating shaft to rotate, so that the rotation of the blade is realized, the rotation of the blade cuts sundries around the water absorption filter cylinder, and the blockage caused by the sundries wound on the water absorption filter cylinder is avoided;
according to the invention, through the structural design of the rotating shaft and the matching of the rotating shaft and the connecting plate, the blades can move along the vertical direction of the water absorption filter cylinder under the urging of the driving motor and the driving rod, so that sundries can be cut in the vertical direction, and the effect of preventing blockage is improved;
according to the invention, through the design in the fire water tank, the filter water tank is arranged in the main water tank, so that an external water source can be used after being filtered for many times, the pollution of impurities in the external water source to the water outlet pump and the main water tank is avoided, and the filter water tank is only required to be cleaned.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a filtering water tank of the present invention.
Fig. 3 is a schematic structural diagram of the water diversion mechanism of the invention.
Fig. 4 is a schematic structural diagram of the water diversion power device of the invention.
FIG. 5 is a schematic diagram of an actuating assembly according to the present invention.
FIG. 6 is a schematic view of a rotating shaft according to the present invention
In the figure: 100. a fire water tank; 110. a main water tank; 120. a filtering water tank; 121. a box body; 122. a filter plate; 200. discharging the water pump; 300. an external water source diversion mechanism; 310. a water conduit; 311. a hard water pipe section; 320. a priming pump; 330. a water absorbent filter cartridge; 340. an anti-blocking structure; 341. a housing; 342. a nozzle; 343. a water wheel; 344. a rotating shaft; 345. a main gear; 346. a pinion gear; 347. a rotating shaft; 3471. an inner shaft; 3472. an outer shaft; 3473. connecting a bearing; 348. a blade; 349. an actuating assembly; 3491. a rectangular block; 3492. a connecting plate; 3493. a drive motor; 3494. a drive rod; 350. a balancing weight; 400. a first water inlet pipe; 500. a water outlet pipe; 600. a second water inlet pipe; 700. an electromagnetic valve; 800. a water level sensor.
Detailed Description
As shown in fig. 1 to 6, the uninterrupted water diversion device for a water pump of a fire fighting truck provided by the invention comprises a fire water tank 100, a water outlet pump 200, an external water source diversion mechanism 300, a first water inlet pipe 400, a water outlet pipe 500, a second water outlet pipe 600, an electromagnetic valve 700 and a water level sensor 800, wherein the water outlet pump is connected with the water outlet pipe 500, the water outlet pump and the fire water tank are connected through the first water inlet pipe 400, the water level sensor 800 is arranged in the fire water tank, the fire water tank is installed in the fire fighting truck, and an alarm is installed on the fire fighting truck.
As shown in fig. 1, 3, 4 and 5, the external water source diversion mechanism 300 includes a diversion conduit 310, a diversion pump 320, a water absorption filter cartridge 330 and an anti-blocking structure 340, wherein a counterweight 350 is installed at the bottom of the water absorption filter cartridge, and the counterweight is an iron block; the water absorption filter cartridge 330 is butted on one end of the water conduit, the water pump 320 is connected on the water conduit 310, the anti-blocking structure 340 is connected on the water conduit and close to the water absorption filter cartridge, and the anti-blocking structure is used for preventing foreign matters of an external water source from blocking the water absorption filter cartridge.
Wherein the water conduit comprises a hard water pipe section 311 close to one end of the water suction filter cylinder, the hard water pipe section is connected with the water pump through a hose, the anti-blocking structure comprises a shell 341, as shown in fig. 5, a nozzle 342 and a water wheel 343 are arranged in the hard water pipe section, the diameter of the nozzle is gradually reduced from one end close to the water suction filter cylinder to the other end, and the water wheel is close to one end with smaller diameter in the nozzle, so that when water is drawn, the water flow impacts the water wheel along the nozzle to cause the water wheel to rotate in the hard water pipe section;
As shown in fig. 4 and 5, a rotating shaft 344 penetrating through the water conduit is mounted on the water wheel, a main gear 345 disposed in the housing is connected to an upper end of the rotating shaft, at least one secondary gear 346 disposed in the housing is disposed outside the main gear, and as shown in the figure, three secondary gears uniformly distributed outside the main gear may be disposed; a rotating shaft 347 parallel to the hard water pipe section and arranged towards the water absorption filter cylinder is connected to the pinion, and a blade 348 is arranged at the bottom end of the rotating shaft. Therefore, after the rotating shaft and the water wheel rotate, the main gear drives the pinion, the rotating shaft and the blades to rotate, so that sundries are cut by the blades, and the blocking probability of the water absorption filter cylinder is reduced.
As shown in fig. 5 and 6, the rotating shaft includes an inner shaft 3471, an outer shaft 3472 and a connecting bearing 3473, an actuating assembly 349 for moving the blade along the vertical direction is disposed in the outer housing, one end of the inner shaft is connected to the pinion and the lower end of the inner shaft is connected to the outer shaft through a spline, the connecting bearing is mounted on the outer shaft, the driving member includes a rectangular block 3491 sleeved on the hard water pipe, a connecting plate 3492 is slidably sleeved on the outer side of the rectangular block, the connecting bearing is mounted in the connecting plate, a driving motor 3493 and a driving rod 3494 are connected to the rectangular block, and the driving rod is connected to the connecting plate. Therefore, when the inner shaft is driven by the pinion to rotate, the outer shaft can be synchronously driven to rotate; when the driving motor drives, the connecting plate drives the connecting bearing and drives the outer shaft to move vertically, and at the moment, the outer shaft moves vertically along the inner shaft under the action of the spline, so that the blades move up and down, and the outer side face of the whole water absorption filter cylinder is cleaned.
In order to ensure the high efficiency of the ordering movement, the driving motors and the driving rods are respectively provided with two groups, the driving motors are respectively arranged on two sides of the rectangular block, so that the movement synchronism of two sides of the connecting plate can be ordered, a through hole for enabling the hard water pipe section and the rectangular block to penetrate is formed in the middle of the connecting plate, and the connecting plate slides outside the rectangular block.
As shown in fig. 1 and 2, the fire water tank includes a main water tank 110 and a filtering water tank 120, the filtering water tank includes a tank body 121 installed in the main water tank, and at least one filtering plate 122 disposed in the tank body and distributed along a length direction of the tank body, and the second water inlet pipe and the water conduit pipe are respectively disposed at both ends of the filtering water tank; the filter water tank is mounted on the filter water tank, the water inlet pipe is communicated with the main water tank, the filter water tank is connected to the water outlet pump through a second water inlet pipe 600, the first water inlet pipe and the second water inlet pipe are both provided with electromagnetic valves 700, the water guide pipe is connected to the filter water tank, the water guide pump guides an external water source to the filter water tank through a water suction filter cartridge, and the filter water tank filters the external water source and then guides the external water source out of the second water inlet pipe, the water outlet pump and the water outlet pipe; the bottom between adjacent filter plates in the filter box is provided with a conical blanking pipe, filtered impurities are treated, and cleaning water is discharged when the filter box is washed through a water conduit.
The working process is as follows:
before use, the main water tank and the filter water tank are filled with fire-fighting water, the electromagnetic valve on the first water inlet pipe is opened, and the water outlet pipe is connected with a fire-fighting pipe, so that the fire-fighting water in the main water tank is used firstly; when the water level sensor detects that the water quantity in the main water tank is reduced to an early warning position, the alarm is lightened and gives an alarm with sound, a fireman draws the water diversion pump, the water diversion pipe and the water absorption filter cylinder, assembles the hard water pipe section, the hose and the water diversion pump, places the water absorption filter cylinder in an external water source, places the water absorption filter cylinder at the bottom of the external water source by the balancing weight, opens the electromagnetic valve on the second water inlet pipe and closes the electromagnetic valve on the first water inlet pipe, the water diversion pump absorbs water, the water flow impacts the water wheel to rotate the water wheel and drives the rotating shaft, the main gear and the auxiliary gear to rotate, so that the blade rotates, and sundries are prevented from being adsorbed onto the water absorption filter cylinder in the water absorption process; when the water filter is used for a long time, the driving motor can be started to enable the blade to move along the water absorption filter cylinder, the vertical cutting effect is achieved, and after external water sucked by the water diversion pump is filtered again in the water filtering tank, water is discharged through the water outlet pump.
Claims (8)
1. The utility model provides an incessant diversion device of fire engine water pump, includes fire water tank (100) and delivery pump (200), be connected with outlet pipe (500) on the delivery pump, the delivery pump with be connected through first inlet tube (400) between the fire water tank, its characterized in that still includes external water source diversion mechanism (300), including leading water pipe (310), leading water pump (320), absorb water and strain a section of thick bamboo (330) and prevent stifled structure (340), it cup joints to absorb water to strain a section of thick bamboo one of leading water pipe, the leading water pump is connected on the leading water pipe, prevent stifled structrual connection prevent on the leading water pipe and be close to in it strains a section of thick bamboo to absorb water, prevent that stifled structure is used for preventing that the debris of external water source from causing the jam to the section of thick bamboo of straining that absorbs water.
2. The uninterrupted water diversion device of the fire engine water pump as claimed in claim 1, characterized in that the fire water tank comprises a main water tank (110) and a filtering water tank (120), the filtering water tank is mounted on the filtering water tank, the water inlet pipe is communicated with the main water tank, the filtering water tank is connected to the water outlet pump through a second water inlet pipe (600), and the first water inlet pipe and the second water inlet pipe are both provided with electromagnetic valves (700);
the water guide pipe is connected with the filtering water tank, the water guide pump guides an external water source to the filtering water tank through the water suction filter drum, and the filtering water tank filters the external water source and then guides the external water source out of the second water inlet pipe, the water outlet pump and the water outlet pipe.
3. The uninterrupted water diversion device of the fire engine water pump according to claim 2, wherein the filtering water tank comprises a box body (121) installed in the main water tank, and at least one filtering plate (122) disposed on the box body and distributed along the length direction of the box body, and the second water inlet pipe and the water diversion pipe are respectively disposed at two ends of the filtering water tank.
4. A fire engine water pump uninterrupted water diversion device according to claim 2, characterized in that a water level sensor (800) is arranged in the main water tank, the fire water tank is installed in a fire engine, and an alarm is installed on the fire engine.
5. A fire engine water pump uninterrupted priming device according to claim 2, characterized in that said priming conduit comprises a rigid water pipe section (311) near one end of said water-absorbing filter cartridge, said anti-clogging structure comprises a housing (341), a nozzle (342) and a water wheel (343) arranged in said rigid water pipe section, said nozzle having a diameter decreasing from the end near the water-absorbing filter cartridge to the other end, said water wheel being near the smaller diameter end of said nozzle;
a rotating shaft (344) penetrating through the water diversion pipe is installed on the water wheel, the upper end of the rotating shaft is connected with a main gear (345) arranged in the shell, at least one pinion (346) installed in the shell is arranged on the outer side of the main gear, the pinion is connected with a rotating shaft (347) which is parallel to the hard water pipe section and faces the water absorption filter cylinder, and a blade (348) is arranged at the bottom end of the rotating shaft.
6. The uninterrupted water diversion device of a fire engine water pump as claimed in claim 5, wherein the rotating shaft comprises an inner shaft (3471), an outer shaft (3472) and a connecting bearing (3473), an actuating assembly (349) for moving the blade along the vertical direction is arranged in the housing, one end of the inner shaft is connected with the pinion and the lower end of the inner shaft is connected with the outer shaft through a spline, the connecting bearing is mounted on the outer shaft, the driving member comprises a rectangular block (3491) sleeved on the hard water pipe, a connecting plate (3492) is slidably sleeved on the outer side of the rectangular block, the connecting bearing is mounted in the connecting plate, a driving motor (3493) and a driving rod (3494) are connected on the rectangular block, and the driving rod is connected with the connecting plate.
7. A fire engine water pump uninterrupted water diversion device as claimed in claim 1 or 6, characterized in that the bottom of said water suction filter cartridge is mounted with a counterweight (350).
8. The uninterrupted water diversion device of a fire engine water pump as claimed in claim 6, wherein two sets of driving motors and driving rods are arranged and respectively arranged on two sides of the rectangular block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216429.9A CN114673661A (en) | 2022-03-07 | 2022-03-07 | Uninterrupted water diversion device for fire truck water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216429.9A CN114673661A (en) | 2022-03-07 | 2022-03-07 | Uninterrupted water diversion device for fire truck water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114673661A true CN114673661A (en) | 2022-06-28 |
Family
ID=82071575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210216429.9A Pending CN114673661A (en) | 2022-03-07 | 2022-03-07 | Uninterrupted water diversion device for fire truck water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114673661A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216044A (en) * | 2008-01-07 | 2008-07-09 | 张建明 | Fire-fighting truck water pump interrupted water guiding device |
| KR20090105195A (en) * | 2008-04-01 | 2009-10-07 | (주)합동공영 | Water pumping system for extinguishing fire |
| US20110266009A1 (en) * | 2010-05-03 | 2011-11-03 | Tian-Chuan Liu | Mobile fire fighting cart |
| CN108607180A (en) * | 2018-04-02 | 2018-10-02 | 江苏卡威专用汽车制造有限公司 | A kind of pipe-line system of fire fighting truck |
| CN208097164U (en) * | 2018-02-13 | 2018-11-16 | 杨笛竞文 | A kind of water intake unit of fire engine |
| CN211852175U (en) * | 2020-01-16 | 2020-11-03 | 福建全立建设发展有限公司 | Water diversion structure for water conservancy and hydropower engineering |
| CN214577963U (en) * | 2021-04-14 | 2021-11-02 | 蔡文意 | Anti-blocking filter screen of water pump |
-
2022
- 2022-03-07 CN CN202210216429.9A patent/CN114673661A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216044A (en) * | 2008-01-07 | 2008-07-09 | 张建明 | Fire-fighting truck water pump interrupted water guiding device |
| KR20090105195A (en) * | 2008-04-01 | 2009-10-07 | (주)합동공영 | Water pumping system for extinguishing fire |
| US20110266009A1 (en) * | 2010-05-03 | 2011-11-03 | Tian-Chuan Liu | Mobile fire fighting cart |
| CN208097164U (en) * | 2018-02-13 | 2018-11-16 | 杨笛竞文 | A kind of water intake unit of fire engine |
| CN108607180A (en) * | 2018-04-02 | 2018-10-02 | 江苏卡威专用汽车制造有限公司 | A kind of pipe-line system of fire fighting truck |
| CN211852175U (en) * | 2020-01-16 | 2020-11-03 | 福建全立建设发展有限公司 | Water diversion structure for water conservancy and hydropower engineering |
| CN214577963U (en) * | 2021-04-14 | 2021-11-02 | 蔡文意 | Anti-blocking filter screen of water pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113718922A (en) | Municipal administration underground drainage pipe automatically cleaning anti-clogging device | |
| CN107823943A (en) | A kind of fire-fighting sewage-treatment plant | |
| CN113279448A (en) | Hydraulic engineering is with high-efficient desilting device | |
| CN112695600A (en) | Sand-free concrete pavement slotting and slotting machine with adjustable depth | |
| CN209925310U (en) | Filtering structure of water pump | |
| CN114673661A (en) | Uninterrupted water diversion device for fire truck water pump | |
| CN115573918A (en) | Self-cleaning sewage pump | |
| CN215553993U (en) | Water quality monitoring visual unmanned ship | |
| CN214744168U (en) | Hydraulic engineering pipeline protector | |
| CN113559600A (en) | A scrubbing purifier for municipal administration drainage pipeline mouth | |
| CN214363730U (en) | Silt clearing device for river course restoration | |
| CN114411856A (en) | Ditch silt cleaning device for hydraulic engineering | |
| CN112879280A (en) | Automatic drawing liquid pump of separation waste material | |
| CN114576218A (en) | Prevent blockking up fluid work servo pump of automatically cleaning | |
| CN111359287B (en) | Medical sewage treatment plant | |
| CN205117712U (en) | Filter equipment before self -cleaning pump | |
| CN215310853U (en) | Oil remover for compressed air | |
| CN219159120U (en) | Prevent pipeline jam booster pump | |
| CN215939213U (en) | Non-pressure self-cleaning filtering device before pump integrating diving and floating characteristics | |
| CN219888278U (en) | Colliery is automatic drainage equipment in pit | |
| CN115183084B (en) | Anti-blocking structure of concrete embedded pipeline | |
| CN214695871U (en) | High-rise building construction fire control water supply equipment | |
| CN213725263U (en) | Device for stable operation of percolation liquid pump | |
| CN214914661U (en) | Dust collector of precast concrete septic tank workshop | |
| CN214789785U (en) | Anti-blocking pipeline for hydraulic engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220628 |