51 results about "Suction drainage" patented technology

The invention discloses a foundation pit drainage device for a green building, and relates to the technical field of foundation pit drainage, the foundation pit drainage device comprises a vehicle body, a water suction pump is fixedly mounted on one side of the top of the vehicle body, the water outlet end of the water suction pump is connected with a drainage pipe in a penetrating manner, and the water pumping end of the water suction pump is connected with a water pumping pipe in a penetrating manner; the floating plate is fixedly installed on the side, away from the water suction pump, of the exterior of the water suction pipe, the supporting assembly is arranged on the side, away from the water suction pump, of the exterior of the water suction pipe and comprises a telescopic rod and a filtering assembly, and the telescopic rod is arranged on one side above the floating plate; the inner wall of the foundation pit can be supported when water pumping and drainage are conducted on the foundation pit, water pumping work can be slowed down or stopped once collapse occurs in the foundation pit, it is avoided that water pumping continues, the supporting force of the inner wall of the foundation pit is reduced, consequently, larger collapse is caused, follow-up use of the foundation pit is not affected, and practicability is improved.

The invention discloses an intelligent vertical shaft anti-floating pile system and a construction technology thereof, and belongs to the field of vertical shaft drainage, and the intelligent vertical shaft anti-floating pile system comprises a vertical shaft anti-floating pile system which is used for bearing pulling resistance generated by underground water and internal and external access of the underground water; the sensing monitoring system is used for anti-floating pile stress strain monitoring, anti-floating pile displacement monitoring and underground water level monitoring; the water pumping and draining system is used for pumping and draining underground water; the data system is used for carrying out data acquisition, transmission and processing on the shaft anti-floating pile system and underground water; the control system is used for controlling the water pumping and draining system to pump and drain water. According to the hollow anti-floating pile, the condition of the pile body is monitored in real time through various sensors, the drainage pipe and the anti-floating pile are communicated to form a drainage network, underground water is pumped and drained in time through the cooperation of the water pump, and it is guaranteed that the vertical shaft meets the anti-floating requirement under the condition that the space utilization rate of the vertical shaft is increased.

The utility model relates to the technical field of food processing, and discloses a water circulation device of a running water unfreezing pool, which comprises an unfreezing pool, the inner wall of the unfreezing pool is fixedly connected with a supporting net, the top of the supporting net is provided with water filtering cotton, the top of the water filtering cotton is fixedly connected with a net cloth layer, and one side surface of the unfreezing pool is fixedly connected with a water inlet box. The utility model has the following advantages and effects: chippings fall on the screen cloth layer, so that the chippings are prevented from being deposited and accumulated at the bottom of the unfreezing pool, the water is filtered by the water filter cotton along with the suction drainage of the drainage box, larger chippings are prevented from entering the drainage box, the pipeline is prevented from being blocked, the drainage box continuously drains water, and the first water pump is started; the first water pump pumps water in the water inlet tank and conveys the water into the unfreezing pool from the water inlet pipe, water circulation in the unfreezing pool is kept, water is taken away along with fishing out of unfrozen meat products, the second water pump pumps water in the supplementing water tank, so that the supplementing pipe supplements water to the water inlet tank, and the quantity in the unfreezing pool is kept sufficient.

The present invention provides a laser fiber operator. The laser fiber operator includes a first pipe sleeve for mounting, and the first pipe sleeve is provided with a front passage for threading of an optical fiber in an axially through manner. Moreover, a first guide pipe, a second guide pipe, and a third guide pipe are axially mounted at a front end of the first pipe sleeve, and flow guide passages are formed between the guide pipes. Similarly, a second pipe sleeve and a third pipe sleeve are coaxially mounted at a rear end of the first pipe sleeve, and a flow guide passage is also formed between the second pipe sleeve and the third pipe sleeve. As the passages at the front end and the rear end of the first pipe sleeve are correspondingly connected and independently provided, effects of suction drainage and flushing drainage can be achieved according to requirements of use. Moreover, valves are disposed on the corresponding passages to achieve control over suction and flushing. An incision is rapidly and accurately flushed and cooled during cutting of a laser surgery, a field of view can be improved, and surgical efficiency and safety are improved. In addition, cutting, flushing and suction functions are integrated, and a surgeon can achieve the above operations with one hand, and usage is more convenient.

The buffer device comprises a sensor, an alarm and a buffer structure and is used for increasing the buffer capacity of a drainage tube when the drainage tube is pulled and protecting connection between a drainage device connector and a human body. A protection structure and a drainage structure are adopted, the buffer tube is a spiral tube to increase the buffer capacity of the drainage device when the drainage device is pulled, collided and extruded, the sensor reminds a patient, family members or nursing personnel at the moment, meanwhile, the compressed air bottle switch is turned on to enable the filling layer to expand, and the buffer tube and the drainage connector in the fixing plate are subjected to filling protection; meanwhile, the position of the drainage device is fixed, the joint of the drainage tube and the human body is protected, only liquid or gas can flow into the liquid inlet tube, only gas or liquid can flow out of the liquid outlet tube under control, the drained liquid cannot enter the human body any more, the negative pressure cavity can exhaust gas many times, negative pressure in the collector is increased, suction drainage is increased, and the effect of the drainage device is improved.

The utility model relates to a suction and aspiration device for hepatobiliary surgery, and belongs to the technical field of medical machinery. The device mainly comprises a base, a liquid extraction assembly, a liquid guide assembly and a liquid storage assembly. The base comprises universal wheels, a four-corner support and a bottling device, the universal wheels are installed at the bottom of the four-corner support respectively, the bottling device is installed on the upper portion of the four-corner support, the liquid pumping assembly comprises a liquid pumping bottle, a motor and a drainage pipe, the drainage pipe is communicated with the liquid pumping bottle, and a drainage suction head is arranged at the other end of the drainage pipe. A flow adjusting valve and a first one-way valve are installed on the upper portion of the liquid pumping bottle, the motor is installed above the liquid pumping bottle, the liquid guiding assembly is connected to the lower portion of the liquid pumping bottle and the lower portion of the liquid storage bottle, a second one-way valve is installed in the middle of the liquid guiding assembly, the liquid storage assembly comprises the liquid storage bottle, an alarm and a liquid outlet hole, and the liquid storage bottle is installed on the bottling frame. A liquid level sensor and an alarm are arranged at the upper part; drainage can be conducted in the hepatobiliary surgical operation process or after the operation, and the drainage mode can effectively solve the problems that a drainage bag is not replaced in time, body fluid is blocked in the drainage process and the like in traditional manual drainage.

The application relates to a suction drainage device, comprising a cleaning assembly and a suction assembly. The cleaning assembly can move between the first end and the second end of the urinary tube through the stretching action of the first transmission line. The suction assembly comprises a sensor element and a suction pump, the sensor element is composed of a flow sensor and a temperature sensor, the sensor element is arranged in the first chamber of the urinary tube, and whether the urinary tube is blocked is judged based on the liquid and temperature information in the first chamber detected by the flow sensor and the temperature sensor. The first chamber of the urinary tube is cleaned of the blocking substances by the cleaning assembly, and the cleaned blocking substances are sucked out by the suction assembly. Compared with the prior art which adopts negative pressure or separately adopts suction to clean the blocking substances of the urinary tube, the cleaning efficiency of the application is higher, and a large amount of blocking substances adhered in the urinary tube can also be cleaned through the pulling and / or rotating and / or vibrating of the cleaning assembly.

The invention discloses a rubber barrier saliva suction and drainage device for oral treatment, relates to the technical field of dental rubber barrier instruments, and provides the following scheme that the rubber barrier saliva suction and drainage device comprises a negative pressure drainage assembly, and the negative pressure conveying end of the negative pressure drainage assembly is connected with a rubber barrier saliva suction and drainage piece; and an oral cavity dilator is arranged on the upper surface of the rubber barrier saliva suction drainage piece. According to the technical scheme, the rubber blanket is tightened in the rubber barrier fixing frame, the rubber barrier is fixed to the position, tightly attached to the periphery of the lip, above the oral cavity through cooperation between the elastic binding band and the fixing frame, and therefore the rubber barrier obtains a good stable posture, and the negative pressure suction pump, the liquid collecting tank and the negative pressure pipeline are used for sucking liquid in the oral cavity. The lower-layer annular hose located below the rubber barrier obtains the negative pressure capacity, so that after the rubber barrier is attached to the inner wall of the oral cavity, the lower-layer annular hose is located between the rubber barrier and the oral cavity, and saliva secreted by the oral cavity of the patient is extracted through thin holes formed in the lower-layer annular hose and negative pressure.

The utility model discloses a suction type drainage pipe fitting, and belongs to the technical field of soft soil foundation consolidation treatment. The suction type drainage pipe fitting comprises the filter body used for permeating water or / and gas in soil and the pipe body capable of sucking water or / and gas in the soil to form the suction type drainage pipe fitting, so that the filter cavity and the pipe body are arranged, on one hand, water or / and gas can be gathered, and on the other hand, the suction type drainage pipe fitting is formed; on the other hand, soil moisture or / and gas can be rapidly discharged, the drainage and exhaust effects are effectively improved, the soft soil foundation construction time is shortened, and application and popularization are facilitated. Furthermore, the suction type drainage pipe fitting can be used for direct vacuum suction drainage gas consolidation treatment of ultra-soft sludge, float sludge, sludge surface layers and sand-free cushion layers, the one-time suction area can reach 5-10 meters, the suction depth is 2-8 meters, the suction type drainage pipe fitting can replace on-site drainage plate connecting pipe construction, and the construction efficiency is effectively improved.

The present invention provides a laser fiber operator. The laser fiber operator includes a first pipe sleeve for mounting, and the first pipe sleeve is provided with a front passage for threading of an optical fiber in an axially through manner. Moreover, a first guide pipe, a second guide pipe, and a third guide pipe are axially mounted at a front end of the first pipe sleeve, and flow guide passages are formed between the guide pipes. Similarly, a second pipe sleeve and a third pipe sleeve are coaxially mounted at a rear end of the first pipe sleeve, and a flow guide passage is also formed between the second pipe sleeve and the third pipe sleeve. As the passages at the front end and the rear end of the first pipe sleeve are correspondingly connected and independently provided, effects of suction drainage and flushing drainage can be achieved according to requirements of use. Moreover, valves are disposed on the corresponding passages to achieve control over suction and flushing. An incision is rapidly and accurately flushed and cooled during cutting of a laser surgery, a field of view can be improved, and surgical efficiency and safety are improved. In addition, cutting, flushing and suction functions are integrated, and a surgeon can achieve the above operations with one hand, and usage is more convenient.

The invention discloses a jet flow experiment observation platform. The experimental device comprises an experimental water tank, a mixed-flow pump flow table, a spray head mounting column, an operation table, an imaging system and the like, through cooperation of magnetic stirring, creep flow pump conveying and a spray head height adjusting system, it is ensured that fluid is mixed evenly, spraying parameters are accurate, and therefore experiment repeatability and data reliability are improved; a light path is optimized by adopting a transparent glass water tank and a bottom light-transmitting design, and a switchable magnetic curtain / LED lamp curtain is matched, so that background noise interference is effectively eliminated, and high-contrast fluid dynamic capture is realized; based on a modular structure, the device can support rapid replacement of nozzle types, adjustment of light source configuration and installation of magnetic suction accessories, is adaptive to multi-scene experiment requirements, and has strong expansibility. By means of the layered mixed-flow pump flow table, the stable clamping groove design and the magnetic suction drainage system, the experiment preparation and cleaning process is simplified, and the overall experiment efficiency is improved.

The utility model relates to the technical field of endoscopic surgery, and discloses an endoscopic surgery smoke suction drainage device which comprises a drainage tube, conveying ends and a first connecting port, the conveying ends are installed on the two sides of the drainage tube, the first connecting port is installed in the middle of the right side of the drainage tube, and a connecting device is installed on the right side of the first connecting port. The right side of the connecting device is provided with a smoke exhaust port, the right side of the smoke exhaust port is provided with a smoke exhaust pipe, the right side of the smoke exhaust pipe is provided with a second connecting port, the connecting device comprises a connecting cylinder, a first smoke exhaust port, aseptic cotton and a fixing plate, and the outer side of the first connecting port is provided with the connecting cylinder; first smoke outlets are formed in the two sides of the connecting cylinder, a fixing plate is installed on the right side of the outer wall of the connecting cylinder, the fixing plate is arranged in a fixing groove, the fixing groove is formed in the left side of the interior of the storage pipe, and a connecting plate is installed on the right side of the fixing groove; the device is simple and convenient to operate, and the operation time of workers is also saved.

The drainage device for municipal engineering comprises a pump body, a connecting hose is fixedly arranged in the middle of the surface of the pump body, a hard pipe is fixedly arranged at the end, away from the pump body, of the connecting hose, and a filtering mechanism used for filtering impurities is arranged on the outer side of the hard pipe. The filtering mechanism comprises a fixed frame, a fixed block, a rotary drum filter element, a fixed ring and a floating cavity, the fixed frame is fixedly arranged at one end of the hard pipe, the fixed block is fixedly arranged on the side, away from the fixed pipe, in the fixed frame, and the rotary filter element is movably arranged on the outer side surfaces of the fixed block and the hard pipe through bearings. According to the utility model, the use effect is good, a filter element of a traditional drainage device is changed into the rotary drum filter element, the rotary drum filter element can be rotated at any time and then cleaned during suction drainage work, the filtering work of the whole filter element is not influenced, the suction work of the pump body is not influenced, and the progress of the whole drainage work can be ensured.

The utility model provides a flushing device for a sputum suction drainage tube. The flushing device comprises a liquid storage tank, a T-shaped tube, a control valve, an air inlet tube and a liquid outlet tube, a first liquid outlet is formed in the lower portion of the liquid storage tank, a vertical pipe of the T-shaped pipe is fixedly connected with the first liquid outlet, the control valve is installed on the vertical pipe, the air inlet pipe and the liquid outlet pipe are installed on the two sides of a horizontal pipe of the T-shaped pipe respectively, the liquid outlet pipe is suitable for being in butt joint with a drainage pipe, and a flow guide structure is arranged in the liquid outlet pipe. During use, the control valve is closed firstly, and then flushing fluid is added into the liquid storage tank; the liquid outlet pipe is connected with the drainage pipe, and then the negative pressure equipment is started; and the control valve is opened, so that the flushing fluid enters the drainage tube in a spiral diffusion form through the liquid outlet tube under the action of negative pressure. Flushing liquid is contained in the liquid storage tank and can be added according to needs, and waste is avoided; the drainage tube is not in direct contact with the flushing liquid in the liquid storage tank, so that pollution can be avoided; the flow guide structure can enable flushing fluid to be sprayed outwards in a spiral diffusion mode, and therefore the pipe wall of the drainage pipe can be flushed.

The utility model relates to a tube assembly, which is characterized by comprising a suction tube, a tube cover and a tube cover, the flushing tube and the suction tube are nested with each other; the near ends of the suction tube and the flushing tube are fixed in the tube fixing seat; the locking bush is arranged on the pipe fixing seat in a sleeving manner and is axially limited relative to the pipe fixing seat, a locking structure is arranged on the peripheral wall of the locking bush, and the locking structure is provided with a locking bulge; the unlocking protection sleeve is arranged on the locking lining in a sleeving mode, an unlocking hole where the locking protrusion is embedded is formed in the circumferential wall of the unlocking protection sleeve, a part of section of the locking protrusion can extend outwards in the radial direction from the unlocking hole to the outer side of the unlocking protection sleeve, and the locking protrusion can be driven inwards in the radial direction by the unlocking protection sleeve so that the part of section can move inwards in the radial direction. The pipe assembly has the advantages that the pipe assembly can be detachably connected to the surgical flushing, suction and drainage instrument in an inserted mode, and locking and unlocking can be easily achieved on the pipe assembly. The utility model further relates to a tube assembly kit and a surgical flushing, suction and drainage instrument.

The present application relates to a kind of road surface residual water drainage device, including the seat plate for supporting on the underside of road surface, the extrusion part being arranged in the upper side of seat plate, the through hole being formed on the seat plate and being communicated with the upper and lower sides of seat plate corresponding to the position of extrusion part, and the water pumping and drainage part being arranged in the through hole and the upper end being used to resist the extrusion part, the lower end being used to resist the position of road surface depression, extrusion part is used to deform and extrude water pumping and drainage part when being rolled by vehicle, extrusion part is also used to restore shape when being separated from vehicle, water pumping and drainage part is used to compress deformation when being extruded by extrusion part, to extrude water in its water cavity from drainage port, water pumping and drainage part is also used to restore shape when extrusion part restores shape, to absorb water in its water cavity from the position of road surface depression through water suction port.In the road surface residual water drainage device described in the present application is placed in the position of road surface depression, the passage of vehicle is not blocked during the process of draining the position of road surface depression.

The utility model relates to the technical field of emergency rescue equipment, in particular to a low-water-level water pumping mechanism of a drainage vehicle. A low-water-level water pumping mechanism of a drainage vehicle comprises a chassis and a vehicle body arranged on the chassis, traveling crawler belts are arranged on the two sides of the chassis, an avoiding space is formed between the bottom of the chassis and the ground, a linearly-lifting drainage pump is arranged in the avoiding space, and a water inlet of the drainage pump is connected with a water inlet bent pipe with a downward pipe opening. The drainage pump descends to make the opening of the water inlet elbow close to the ground. According to the drainage pump, the water inlet elbow with the downward pipe opening is adopted, and the pipe opening of the water inlet elbow can be close to the ground during water pumping, so that the drainage pump can meet the water pumping and drainage requirements of a lower water level; in addition, the height of the drainage pump can be flexibly adjusted according to actual requirements through the linearly-lifted drainage pump, and the flexibility of drainage operation and the trafficability of the vehicle body are improved.

The invention belongs to the technical field of solid-liquid separation and filtration, discloses an assembly type solid-liquid separation drainage plate pipe assembly and a solid-liquid separation device, and aims to solve the problems that in the prior art, a drainage structure lacks self-adaptive adjustment capacity and is low in drainage efficiency. The assembly comprises a drainage plate and a suction drainage pipe. The drainage plate is provided with a flow guide structure extending in the length direction, and the outer surface of the drainage plate is coated with fiber filter cloth to achieve solid-liquid separation. The suction drainage pipe is a plastic pipe with a sealed bottom port, the upper port is connected with suction equipment, and the pipe wall is provided with at least one group of notches symmetrically distributed in the radial direction; the drainage plate rotates around the suction drainage pipe during assembly to increase the contact area with a surrounding medium and penetrates through the suction drainage pipe through a notch, the connecting position of the drainage plate and the suction drainage pipe is sealed through a sealing piece, a communicated suction channel is formed, and therefore the accumulation, separation and circulation efficiency of liquid and gas is improved. The penetrating relation of the drainage plates and the suction drainage pipes is one-to-one, one-to-many, many-to-one or many-to-many.

This utility model discloses a foundation pit drainage device for building construction, comprising: a deep foundation pit; a foundation pit pumping assembly mounted on the deep foundation pit, the foundation pit pumping assembly being used for pumping and draining water; and a sludge preliminary sedimentation and removal assembly mounted on one side of the foundation pit pumping assembly. The device performs secondary deep filtration of the water through a second filter plate to further remove residual impurities. A water level detector monitors the water level in real time to ensure stable filtration. The filtered water is discharged into a drainage ditch via a drainage pipe through a pump. If sludge is generated during filtration, a second sludge suction pipe transports it to a sludge pump for discharge. The advantages of this device are that the secondary filtration assembly further improves water quality, reduces impurities from clogging the drainage system, and improves drainage efficiency and quality. Simultaneously, the water level detector enables automated monitoring, improves the system's intelligence level, reduces manual intervention, and further optimizes the drainage effect.

The utility model discloses a visual hematoma smashing suction drainage tube, and particularly relates to the technical field of medical drainage tubes, which comprises a drainage tube body, two liquid inlets are arranged on the surface of the drainage tube body, a connecting hose is fixedly arranged on one side of the drainage tube body, and a smashing mechanism is fixedly arranged on one side of the connecting hose. The smashing mechanism comprises a fixed hose fixedly arranged on one side of the connecting hose, a sleeve joint is fixedly arranged on one side of the fixed hose, a smashing rod is slidably connected into the sleeve joint, a threaded smashing rod is fixedly arranged at one end of the smashing rod, and a handle is fixedly arranged at the other end of the smashing rod. The hematoma and blood clots can be smashed, the overall visual design is adopted, the position, the size and the shape of the hematoma can be observed conveniently, the using effect is improved, meanwhile, due to the design of the hose, intracranial tissue cannot be damaged, and safety is enhanced.

The invention belongs to the field of dam water pumping and drainage, and particularly provides a modularized water pumping and drainage auxiliary device and method for a watershed power station. The modularized water pumping and drainage auxiliary device comprises a pump frame used for installing a water pump, the pump frame is provided with a wheel frame, walking wheels are installed on the wheel frame, and a containing groove is formed in the side face of each walking wheel; the output end of each group of speed reduction brake mechanism is positioned in the corresponding travelling wheel accommodating groove; the two sides of the pump frame are each provided with a pull rope guide mechanism, each pull rope guide mechanism comprises two rotating rods and a guide pipe, the upper ends of the two rotating rods are rotationally installed on a supporting shaft, the supporting shafts are installed on the pump frame, the guide pipes are arranged on the outer side of the pump frame, and the lower ends of the rotating rods are connected with the input ends of the corresponding speed reduction brake mechanisms through first pull ropes. The middle of the rotating rod is connected with second pull ropes, the upper ends of the two sets of second pull ropes are connected with third pull ropes, and the third pull ropes penetrate through the corresponding guide pipes. The equipment and the method assist in installation of the water pump, and meanwhile, the water pump is prevented from falling off when accidents occur.

The invention relates to the technical field of medical infusion appliances, in particular to a medical injection infusion bag integrated with a self-suction drainage mechanism, which comprises an infusion bag and a hanging hole, an injection tube and an infusion tube are fixedly connected to the left side and the right side of the bottom of the infusion bag respectively, and an elastic drainage bag is fixedly connected to the top of the inner wall of the infusion bag; a communicating pipe is fixedly connected to the bottom of the elastic drainage bag, a one-way valve is installed on the outer surface of the communicating pipe, a liquid treatment cavity is fixedly connected to the bottom of the communicating pipe, a temperature control module is connected to the exterior of the liquid treatment cavity, and a medical filter element is fixedly installed at the top in the liquid treatment cavity. According to the medical injection infusion bag integrated with the self-suction drainage mechanism, self-suction drainage, liquid pretreatment and pressure regulation and control are integrated, operations such as autologous blood transfusion and lacuna effusion drainage after trauma can be completed, and the elastic drainage bag is matched with the micro elastic driving piece to achieve automatic drainage; the problem that a traditional infusion bag only depends on gravity for infusion and lacks drainage capacity is solved.

The application discloses an ultrasonic-assisted water jet laser processing system, which comprises a clamping mechanism, a cleaning mechanism, a purifying mechanism, a fiber laser and a high-pressure water nozzle. The clamping mechanism is provided with a rotatable mounting plate and two groups of symmetrical clamps, and 180-degree work position switching is driven by a servo motor to realize parallel operation of upper laser processing and lower ultrasonic cleaning. The upper fiber laser cooperates with off-axis high-pressure water jet to implement layered laser processing on a workpiece cavity, and molten slag is washed in real time to inhibit thermal damage. The lower work position utilizes a cam mechanism to drive an ultrasonic vibrator close to the workpiece, and solidified residues in the cavity are stripped through water cavitation effect, and a shovel plate is automatically scraped to remove deposited debris at the bottom of the tank. Meanwhile, mechanical automatic water pumping and drainage are realized through a linkage piston assembly, and sewage is filtered and purified through filter cotton and then collected in a cycle. The application solves the problems of low efficiency, incomplete residue removal, poor processing precision and low automation degree of traditional single-station laser processing.

The utility model discloses a drainage device for open-cast mining, which belongs to the technical field of drainage equipment and comprises a floating plate, a drainage mechanism is arranged on the inner side of the floating plate and comprises a water pumping pipe movably mounted on the inner side of the floating plate, a connecting pipe is connected to the outer wall of the top of the water pumping pipe, and the drainage device further comprises a positioning mechanism slidably connected with the floating plate. The positioning mechanism comprises a plurality of cutting rods slidably connected with the floating plate, a positioning plate is mounted among the cutting rods, a filter frame is connected to the bottom of the floating plate, and the bottom end of the water pumping pipe is located on the inner side of the filter frame. Through the arrangement of the floating plate and the drainage mechanism, the drainage mechanism is installed on the floating plate and can directly float on the water surface to pump water, the drainage mechanism can automatically descend along with the descending of the water surface, the water pumping pipe can always keep the depth deep into the water, the height does not need to be manually adjusted, and the water pumping pipe cannot be directly embedded into an ore bed to cause blockage; and through the arrangement of the positioning mechanism, the floating plate can be prevented from floating at will to affect drainage.

This invention relates to a tubing assembly, characterized in that it comprises: a suction tube; an irrigation tube nested within the suction tube; a tube retainer therein, wherein the suction tube and the irrigation tube are secured at their proximal ends; a locking bushing fitted onto the tube retainer and axially limited relative to the tube retainer, having a locking structure on its peripheral wall, the locking structure having a locking protrusion; and an unlocking sleeve fitted onto the locking bushing, having an unlocking hole on its peripheral wall into which the locking protrusion is embedded, wherein a portion of the locking protrusion is radially outwardly protruding from the unlocking hole to the outside of the unlocking sleeve, and the locking protrusion is radially inwardly driven by the unlocking sleeve, causing the portion to move radially inward. The advantages include: the tubing assembly can be detachably inserted into and connected to a surgical irrigation and aspiration drainage device, and can be easily locked and unlocked thereon. This invention also relates to a tubing assembly kit and a surgical irrigation and aspiration drainage device.

The utility model relates to the technical field of construction site drainage, in particular to a municipal public engineering drainage dredging device which comprises a drainage pipe, installation frames are fixedly installed on the top of the left end and the bottom of the right end outside the drainage pipe through bolts, motor boxes are installed on the outer surfaces of the installation frames, and shaft sleeves are fixedly arranged on the motor boxes. And a first rotating shaft and a second rotating shaft are rotationally arranged at the left end and the bottom end in the drainage pipe correspondingly, and the bottom end of the drainage pipe is fixedly communicated with a sewage storage tank. According to the drainage dredging device for the municipal public engineering, the filter screen and the two sets of rotatable pipe brushes are additionally arranged in the drainage dredging device for the municipal public engineering, pumped and discharged sewage is subjected to preliminary physical filtration, the inner wall of a pipeline is cleaned, and blockage caused by dirt attachment and accumulation is prevented; and dirt and impurities can be continuously accumulated in the dirt storage tank under the action of gravity, so that dirt discharge and cleaning are facilitated, and the operation pressure of subsequent equipment of the water pumping and draining system is relieved.

The invention relates to the technical field of metapenaeus ensis culture, in particular to a waste cleaning device for metapenaeus ensis seed culture, which comprises a mounting base, a filter cylinder rotating around the mounting base is arranged on the outer side of the mounting base, and a fixed cylinder is fixedly arranged in the middle of the filter cylinder in a penetrating manner; the water suction pipe and the water drainage pipe are respectively positioned at the upper half part and the lower half part of the filter cartridge and are respectively communicated with the two compartments in the filter cartridge; the surface of the drainage pipe is provided with drainage ports; the device has the advantages that the mounting base is fixed to the bottom of the culture pond, the filter cartridge rotating around the mounting base is arranged on the outer side of the mounting base, the water outlet is formed in the surface of the water drainage pipe, and the water pump pumps water through the water suction pipe; and counter-acting force generated by water flow on the drainage pipe pushes the drainage pipe and the water suction pipe to rotate around the mounting base integrally, so that the cleaning area is automatically changed, manual field intervention is not needed, and use is more convenient and labor-saving.

This invention discloses a cruise-type water quality testing device, including a hull assembly, a water pressure assembly, and a mowing assembly. The hull has a first inner compartment and a second inner compartment. The second inner compartment contains a rotating assembly for synchronous reverse rotation. The hull assembly forms the basic structure of the overall testing device and facilitates cruise operation. The water pressure assembly controls the weight of the entire device by pumping water from the outside. The mowing assembly cuts aquatic plants encountered by the hull during cruise to prevent entanglement. This invention uses a dual-suction pump to pump water from the outside, allowing for adjustments to the water volume in the tanks to control the overall weight of the device. For example, when the device needs to float or sink, the weight can be adjusted to better adapt to different water depths for water quality testing, improving the adaptability and flexibility of the device in various aquatic environments.

The invention relates to the technical field of emergency rescue equipment, in particular to a low-water-level water pumping mechanism of a drainage vehicle. A low-water-level water pumping mechanism of a drainage vehicle comprises a chassis and a vehicle body arranged on the chassis, traveling crawler belts are arranged on the two sides of the chassis, an avoiding space is formed between the bottom of the chassis and the ground, a linearly-lifting drainage pump is arranged in the avoiding space, and a water inlet of the drainage pump is connected with a water inlet bent pipe with a downward pipe opening. The drainage pump descends to make the opening of the water inlet elbow close to the ground. The drainage pump adopts the water inlet bent pipe with the pipe opening facing downwards, and the pipe opening of the water inlet bent pipe can be close to the ground during water pumping, so that the drainage pump can meet the water pumping and drainage requirements of a lower water level; in addition, the height of the drainage pump can be flexibly adjusted according to actual requirements through the linearly-lifted drainage pump, and the flexibility of drainage operation and the trafficability of the vehicle body are improved.

The utility model belongs to the field of medical instruments, and particularly relates to an anti-blocking filtering suction drainage tube which is composed of a top cover, a shell, an outer filter screen and an inner filter screen, the outer filter screen and the inner filter screen are arranged in the shell, the top cover and the shell are connected through threads, a one-way hole is formed in the side face of the top cover, and negative pressure can be adjusted through the hole when the negative pressure is too large; the surface of the shell is provided with anti-skid lines to facilitate operation; a clamping groove is formed in the inner filter screen, a boss is arranged on the outer filter screen, the inner filter screen can be sleeved with the outer filter screen to be fixed and positioned through cooperation of the clamping groove and the boss, when the filter screens are blocked, the drainage tube does not need to be replaced, only the top cover needs to be opened to replace the inner filter screen, replacement is convenient, and bone fragments of a patient can be conveniently intercepted and taken out during autogenous bone transplantation; all the components are made of transparent materials, operators can conveniently observe and adjust the components in time in the using process, the probability that the drainage tube is blocked is reduced, and the drainage efficiency is improved.