CN114563590A - Monitoring alarm device for preventing river water flow velocity from being too fast - Google Patents
Monitoring alarm device for preventing river water flow velocity from being too fast Download PDFInfo
- Publication number
- CN114563590A CN114563590A CN202210188424.XA CN202210188424A CN114563590A CN 114563590 A CN114563590 A CN 114563590A CN 202210188424 A CN202210188424 A CN 202210188424A CN 114563590 A CN114563590 A CN 114563590A
- Authority
- CN
- China
- Prior art keywords
- air
- fast
- fixedly arranged
- monitoring
- flow velocity
- 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 34
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/001—Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
Abstract
The invention relates to the technical field of water flow monitoring, and discloses a monitoring alarm device for preventing river water flow velocity from being too fast, which comprises a base, wherein a support is fixedly arranged above the base, a spoiler is hinged above the support, a main shaft is slidably arranged below a hinged seat, a connecting rod is rotatably arranged below the main shaft, a plug rod is slidably arranged at the right end of a fixed seat, an air outlet is formed above the right end of an air cylinder, an air needle is fixedly arranged at the right end of an inflation tube, a floating ball is fixedly arranged at the right end of the air needle, a movable ring is slidably arranged above the air cylinder, and a flexible rope is fixedly arranged on the movable ring. This prevent too fast monitoring alarm device of river water velocity, when floating in the ball full of gas, because buoyancy acts on showy on to the surface of water, float the ball and take the activity ring upward movement through flexible rope, until floating to the surface of water on to reached and need not the wiring just can report to the police the effect of reminding.
Description
Technical Field
The invention relates to the technical field of water flow monitoring, in particular to a monitoring alarm device for preventing the flow velocity of river from being too fast.
Background
Hydraulic engineering is an engineering which is built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harmful substances and benefiting. In water conservancy projects, the monitoring of the water flow speed is particularly important, people can irrigate crops by controlling the water flow speed within a reasonable range, and can convert kinetic energy of the water flow into electric energy through a generator, so that a water flow speed monitoring device with a simple structure and low cost is needed.
The monitoring of the water flow speed can lead people to better manage and apply water resources, so that the water flow speed monitoring device is produced, but the currently used water flow monitoring device is mostly monitored by using a sensor, and data is obtained by computer analysis.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a monitoring alarm device for preventing the river water flow velocity from being too fast, which has the advantages of using a mechanical structure, being simple in structure, not easy to damage, free from wiring and power connection, simple in installation and the like, and solves the problems that a common electronic water flow velocity monitoring device is complex in structure, easy to damage, required to be wired and power connected and complicated in installation.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme:
a monitoring and alarming device for preventing river water flow velocity from being too fast comprises a base, wherein a support is fixedly mounted above the base, a spoiler is hinged to the upper side of the support, a hinged seat is fixedly mounted below the spoiler, a main shaft is slidably mounted below the hinged seat, an upper baffle is fixedly mounted in the middle of the main shaft, a protective sleeve is fixedly mounted below the upper baffle, a spring body is fixedly mounted inside the protective sleeve, an adjusting runner is rotatably mounted below the spring body, a lower baffle is fixedly mounted below the adjusting runner, a connecting rod is rotatably mounted below the main shaft, a fixed seat is fixedly mounted in the middle of the connecting rod, a plug rod is slidably mounted at the right end of the fixed seat, an air plug is fixedly mounted above the plug rod and is slidably mounted inside an air cylinder, and a sealing ring is fixedly mounted at the lower end of the air cylinder, open the right-hand member top of inflator has the gas outlet, the right-hand member fixed mounting of gas outlet has the gas tube, the right-hand member fixed mounting of gas tube has the gas needle, the right-hand member fixed mounting of gas needle has floating ball, the top slidable mounting of inflator has the movable ring, fixed mounting has flexible rope on the movable ring, it has the income gas port to open on the up end of inflator, the inside fixed mounting who goes into the gas port has the valve body, the below slidable mounting of valve body has the piston, the top fixed mounting who goes into the gas port has into the trachea, go into tracheal top fixed mounting and have the protection casing.
Preferably, the hinged seat is fixedly installed on the lower end face of the spoiler through screws, and the upper end of the main shaft is hinged to the hinged seat through bolts and nuts, so that the angle of the spoiler can be freely adjusted.
Preferably, the upper baffle is fixedly installed on the main shaft, the upper end of the spring body is installed on the lower end face of the upper baffle, the spring body is compressed through the upper baffle, and the structure can move more smoothly by utilizing the potential energy of the spring body.
Preferably, a one-way air valve is fixedly mounted inside the air outlet, so that air in the floating ball is prevented from being sucked out when air is sucked.
Preferably, an air tap is fixedly installed at the joint of the air needle and the floating ball, so that the air needle can be inserted into the air tap to inflate the floating ball.
Preferably, a small spring is fixedly installed between the piston and the lower end of the valve body, a small hole is formed in the lower end face of the valve body, the small spring can enable the piston to reset, and the small hole can be used for ventilation.
Preferably, a protruding spherical structure is arranged at the upper end of the air inlet pipe close to the protective cover, and the protruding spherical structure can clamp the movable ring to prevent the movable ring from falling off.
(III) advantageous effects
Compared with the prior art, the invention provides a monitoring alarm device for preventing the river water flow velocity from being too fast, which has the following beneficial effects:
1. this prevent too fast monitoring alarm device of river water velocity, through with base fixed mounting in the river course, adjusting the spoiler to suitable angle through articulated seat, when the rivers speed was too fast in the river, rivers can make the spoiler up-and-down motion, thereby drive main shaft up-and-down reciprocating motion, during downstream, make the upper baffle push down the spring body, main shaft push down the connecting rod and make its right-hand member connecting cock stem shift up, cock stem drive air lock through one-way pneumatic valve with the gas in the inflator compress to the ball that floats in through the gas tube, during the main shaft upward motion, cock stem moves down during through the connecting rod, the air lock moves down, outside air gets into in the inflator through going into the trachea, thereby realized aerifing for floating the ball, simple internal structure, it is not fragile, the effect simple to operate.
2. This prevent too fast monitoring alarm device of river water velocity, when being full of gas in through floating the ball, because buoyancy acts on showy to the surface of water, the air needle is automatic to be extracted, and floating the ball and taking the activity ring upward movement through flexible rope, until floating to the surface of water to reached and need not the wiring just can report to the police the effect of reminding.
3. This prevent too fast monitoring alarm device of river water velocity through inside the air lock compression inflator, makes the gas compression piston, and the gas pocket of valve body is stopped up to the piston, prevents that gas from spilling, and when breathing in, the piston is pushed down to the outside gas, and the valve body gas pocket is opened, from external inhaled air to the effect of one-way ventilation has been reached.
Drawings
FIG. 1 is a schematic sectional view of the front structure of the present invention.
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to the present invention.
In the figure: 1. a base; 2. a support; 3. a spoiler; 4. a hinged seat; 5. a main shaft; 6. an upper baffle plate; 7. a protective sleeve; 8. a spring body; 9. adjusting the rotating wheel; 10. a lower baffle plate; 11. a connecting rod; 12. a fixed seat; 13. a stopper rod; 14. an air cylinder; 15. a seal ring; 16. an air lock; 17. an air outlet; 18. an inflation tube; 19. air needle; 20. a flexible cord; 21. floating the ball; 22. a movable ring; 23. a piston; 24. a valve body; 25. an air inlet; 26. entering an air pipe; 27. a shield.
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. 1-4, a monitoring alarm device for preventing river water flow velocity from being too fast includes a base 1, a bracket 2 is fixedly installed above the base 1, a spoiler 3 is hinged above the bracket 2, a hinged seat 4 is fixedly installed below the spoiler 3, a main shaft 5 is slidably installed below the hinged seat 4, the hinged seat 4 is fixedly installed on the lower end surface of the spoiler 3 through screws, the upper end of the main shaft 5 is hinged on the hinged seat 4 through bolts and nuts, so as to freely adjust the angle of the spoiler 3, an upper baffle 6 is fixedly installed in the middle of the main shaft 5, a protective sleeve 7 is fixedly installed below the upper baffle 6, a spring body 8 is fixedly installed inside the protective sleeve 7, the upper baffle 6 is fixedly installed on the main shaft 5, the upper end of the spring body 8 is installed on the lower end surface of the upper baffle 6, the spring body 8 is compressed by the upper baffle 6, the structure can move more smoothly by utilizing the potential energy of the spring body 8, the adjusting wheel 9 is rotatably arranged below the spring body 8, the adjusting wheel 9 can adjust the tightness of the spring body 8, the lower baffle plate 10 is fixedly arranged below the adjusting wheel 9, the connecting rod 11 is rotatably arranged below the main shaft 5, the fixed seat 12 is fixedly arranged at the middle position of the connecting rod 11, the plug rod 13 is slidably arranged at the right end of the fixed seat 12, the air plug 16 is fixedly arranged above the plug rod 13, the air plug 16 is slidably arranged in the air cylinder 14, the sealing ring 15 is fixedly arranged at the lower end of the air cylinder 14, the air outlet 17 is arranged above the right end of the air cylinder 14, the one-way air valve is fixedly arranged in the air outlet 17, when air suction is prevented, the air in the floating ball 21 is sucked out, the air charging pipe 18 is fixedly arranged at the right end of the air outlet 17, the air needle 19 is fixedly arranged at the right end of the air charging pipe 18, and the floating ball 21 is fixedly arranged at the right end of the air needle 19, an air nozzle is fixedly arranged at the joint of the air needle 19 and the floating ball 21, the air needle 19 can be inserted into the air nozzle to inflate the floating ball 21, a movable ring 22 is slidably arranged above the air cylinder 14, a flexible rope 20 is fixedly arranged on the movable ring 22, an air inlet 25 is formed in the upper end face of the air cylinder 14, a valve body 24 is fixedly arranged inside the air inlet 25, a piston 23 is slidably arranged below the valve body 24, a small spring is fixedly arranged between the piston 23 and the lower end of the valve body 24, a small hole is formed in the lower end face of the valve body 24 and can reset the piston 23, the small hole can be ventilated, an air inlet pipe 26 is fixedly arranged above the air inlet 25, a protective cover 27 is fixedly arranged above the air inlet pipe 26, a protruding spherical structure is arranged at the upper end of the air inlet pipe 26 close to the protective cover 27, the protruding spherical structure can clamp the movable ring 22, and the movable ring 22 is prevented from falling off.
The working principle is as follows: the monitoring alarm device for preventing the river water flow velocity from being too fast is characterized in that a base 1 is fixedly arranged in a river channel, a spoiler 3 is adjusted to a proper angle through a hinge seat 4, when the river water flow velocity is too fast, the spoiler 3 can move up and down through the water flow, so that a main shaft 5 is driven to reciprocate up and down, when the spoiler moves down, an upper baffle 6 presses a spring body 8 down, the main shaft 5 presses a connecting rod 11 down to move a plug rod 13 connected with the right end of the connecting rod up, the plug rod 13 drives an air plug 16 to compress the air in an air cylinder 14 into a floating ball 21 through a one-way air valve and an inflation pipe 18, when the main shaft 5 moves up, the plug rod 13 moves down through the connecting rod 11, the air plug 16 moves down, the outside air enters the air cylinder 14 through an air inlet pipe 26, so that the effect of inflating the floating ball 21 is realized, when the floating ball 21 is filled with air, the air needle 19 floats to the water surface due to the buoyancy effect and is automatically pulled out, the floating ball 21 drives the movable ring 22 to move upwards through the flexible rope 20 until floating to the water surface, so that the alarm reminding effect is achieved, in the air inflation process, the air plug 16 compresses the inside of the air cylinder 14, so that the air compresses the piston 23, the piston 23 plugs the air hole of the valve body 24, the air leakage is prevented, when air is sucked, the piston 23 is pressed downwards by external air, the air hole of the valve body 24 is opened, and air is sucked from the outside, so that the one-way ventilation effect is achieved.
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 (7)
1. The utility model provides a prevent too fast monitoring alarm device of river water velocity, includes base (1), its characterized in that: the upper side of the base (1) is fixedly provided with a support (2), the upper side of the support (2) is hinged with a spoiler (3), the lower side of the spoiler (3) is fixedly provided with a hinged seat (4), the lower side of the hinged seat (4) is slidably provided with a main shaft (5), the middle of the main shaft (5) is fixedly provided with an upper baffle (6), the lower side of the upper baffle (6) is fixedly provided with a protective sleeve (7), the inner part of the protective sleeve (7) is fixedly provided with a spring body (8), the lower side of the spring body (8) is rotatably provided with an adjusting runner (9), the lower side of the adjusting runner (9) is fixedly provided with a lower baffle (10), the lower side of the main shaft (5) is rotatably provided with a connecting rod (11), the middle position of the connecting rod (11) is fixedly provided with a fixing seat (12), and the right end of the fixing seat (12) is slidably provided with a plug rod (13), the top fixed mounting of cock stem (13) has gas plug (16), gas plug (16) slidable mounting is in the inside of inflator (14), the lower extreme fixed mounting of inflator (14) has sealing washer (15), open the right-hand member top of inflator (14) has gas outlet (17), the right-hand member fixed mounting of gas outlet (17) has gas tube (18), the right-hand member fixed mounting of gas tube (18) has air needle (19), the right-hand member fixed mounting of gas needle (19) has floating ball (21), the top slidable mounting of inflator (14) has activity ring (22), fixed mounting has flexible rope (20) on activity ring (22), it has gas inlet (25) to open on the up end of inflator (14), the inside fixed mounting of gas inlet (25) has valve body (24), the below slidable mounting of valve body (24) has piston (23), an air inlet pipe (26) is fixedly arranged above the air inlet (25), and a protective cover (27) is fixedly arranged above the air inlet pipe (26).
2. The monitoring and alarming device for preventing the flow velocity of river from being too fast as claimed in claim 1, wherein: articulated seat (4) pass through screw fixed mounting at the lower terminal surface of spoiler (3), the upper end of main shaft (5) is articulated to be installed on articulated seat (4) through bolt and nut.
3. The monitoring and alarming device for preventing the flow velocity of river from being too fast as claimed in claim 1, wherein: the upper baffle (6) is fixedly arranged on the main shaft (5), and the upper end of the spring body (8) is arranged on the lower end face of the upper baffle (6).
4. The monitoring and alarming device for preventing the flow velocity of river from being too fast as claimed in claim 1, wherein: and a one-way air valve is fixedly arranged inside the air outlet (17).
5. The monitoring and alarming device for preventing the flow velocity of river from being too fast as claimed in claim 1, wherein: and an air nozzle is fixedly arranged at the joint of the air needle (19) and the floating ball (21).
6. The monitoring and alarming device for preventing the flow velocity of river from being too fast as claimed in claim 1, wherein: a small spring is fixedly arranged between the piston (23) and the lower end of the valve body (24), and a small hole is formed in the lower end face of the valve body (24).
7. The monitoring and alarming device for preventing the flow velocity of river from being too fast as claimed in claim 1, wherein: the upper end of the air inlet pipe (26) is provided with a protruding spherical structure close to the protective cover (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210188424.XA CN114563590A (en) | 2022-02-28 | 2022-02-28 | Monitoring alarm device for preventing river water flow velocity from being too fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210188424.XA CN114563590A (en) | 2022-02-28 | 2022-02-28 | Monitoring alarm device for preventing river water flow velocity from being too fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114563590A true CN114563590A (en) | 2022-05-31 |
Family
ID=81716650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210188424.XA Pending CN114563590A (en) | 2022-02-28 | 2022-02-28 | Monitoring alarm device for preventing river water flow velocity from being too fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114563590A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101603530B1 (en) * | 2015-07-23 | 2016-03-15 | 동문이엔티(주) | Pontoon-floating body for monitering water quality condition |
| CN205589421U (en) * | 2016-04-26 | 2016-09-21 | 上海跃蓝海洋科技有限公司 | Fixed landlocked section buoy |
| CN205639812U (en) * | 2016-04-21 | 2016-10-12 | 佛山市顺德区碧日安防工程有限公司 | Antidetonation pipeline discharge valve |
| CN108571419A (en) * | 2017-03-13 | 2018-09-25 | 上海莜圣机械设备厂 | A kind of wave pneumatic electric generator |
| CN209043318U (en) * | 2019-01-09 | 2019-06-28 | 黄河科技学院 | Hydrological environment monitoring device |
| CN209326693U (en) * | 2018-11-12 | 2019-08-30 | 青岛华兴海洋工程技术有限公司 | A kind of hydrologic monitoring device used for aquiculture |
| CN211696598U (en) * | 2020-03-13 | 2020-10-16 | 青岛瑞源工程集团有限公司 | Flood prevention early warning device for reservoir |
| CN212693017U (en) * | 2020-08-31 | 2021-03-12 | 王生栋 | River water level monitoring device |
| CN112793715A (en) * | 2020-12-30 | 2021-05-14 | 叶德林 | Multifunctional buoy device for water surface monitoring |
| CN213779622U (en) * | 2020-12-30 | 2021-07-23 | 广州文霏信息科技有限责任公司 | Wisdom urban water environment monitored control system |
-
2022
- 2022-02-28 CN CN202210188424.XA patent/CN114563590A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101603530B1 (en) * | 2015-07-23 | 2016-03-15 | 동문이엔티(주) | Pontoon-floating body for monitering water quality condition |
| CN205639812U (en) * | 2016-04-21 | 2016-10-12 | 佛山市顺德区碧日安防工程有限公司 | Antidetonation pipeline discharge valve |
| CN205589421U (en) * | 2016-04-26 | 2016-09-21 | 上海跃蓝海洋科技有限公司 | Fixed landlocked section buoy |
| CN108571419A (en) * | 2017-03-13 | 2018-09-25 | 上海莜圣机械设备厂 | A kind of wave pneumatic electric generator |
| CN209326693U (en) * | 2018-11-12 | 2019-08-30 | 青岛华兴海洋工程技术有限公司 | A kind of hydrologic monitoring device used for aquiculture |
| CN209043318U (en) * | 2019-01-09 | 2019-06-28 | 黄河科技学院 | Hydrological environment monitoring device |
| CN211696598U (en) * | 2020-03-13 | 2020-10-16 | 青岛瑞源工程集团有限公司 | Flood prevention early warning device for reservoir |
| CN212693017U (en) * | 2020-08-31 | 2021-03-12 | 王生栋 | River water level monitoring device |
| CN112793715A (en) * | 2020-12-30 | 2021-05-14 | 叶德林 | Multifunctional buoy device for water surface monitoring |
| CN213779622U (en) * | 2020-12-30 | 2021-07-23 | 广州文霏信息科技有限责任公司 | Wisdom urban water environment monitored control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206017754U (en) | A kind of buffering pneumatic flow regulating valve | |
| CN201437757U (en) | Tip brake oil cylinder device | |
| CN114563590A (en) | Monitoring alarm device for preventing river water flow velocity from being too fast | |
| CN211901764U (en) | Air exhaust valve | |
| CN2266269Y (en) | Agricultural water absorption pipe | |
| CN205842199U (en) | A kind of compressed air floating ball hydrophobic water valve | |
| CN204345017U (en) | The anti-aeration valve water leakage device of a kind of generator's motor shaft | |
| WO2020199698A1 (en) | Accumulating wave power station | |
| CN104374947B (en) | A kind of low windage airspeedometer | |
| CN212082939U (en) | Hidden arm type fixed coal powder sampler | |
| CN113250222A (en) | Intelligent pneumatic dewatering device for subway station foundation pit | |
| CN209620210U (en) | Cut-off equipment, shunting well and its control system with utricule | |
| CN2319649Y (en) | Float gas checking valve of pressure cylinder | |
| CN2537937Y (en) | Automatic water supply device for solar water heater | |
| CN212027969U (en) | Horizontal water turbine water seal device | |
| CN217583238U (en) | Novel sealing structure of float valve | |
| CN216382602U (en) | Adjustable valve for air conditioner | |
| CN214363336U (en) | Small channel sluice gate | |
| CN111794883B (en) | Wadable dust exhaust device of air filter for special vehicle and mounting structure of wadable dust exhaust device | |
| CN209584993U (en) | A kind of water conservancy and hydropower priming device of easy access | |
| CN212671326U (en) | Happy wind pressure on water makes unrestrained device | |
| CN218612711U (en) | Heating exhaust valve combination device | |
| CN219827831U (en) | Novel built-in mechanical type waste gas bypass structure and turbocharger | |
| CN217000108U (en) | Intelligent equipment for treating mixed flow pipeline of rain and sewage | |
| CN220102248U (en) | High-pressure air valve |
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 |