266results about How to "Difficult to clean up" patented technology

Encapsulated colorants for waterborne coating compositions are provided as a system and kit with a method for tinting the water borne coating compositions. The encapsulated colorant comprises at least one water dispersible tinting material to be released into the based coating composition upon dissolution of the encapsulating layer to give the coating composition color. The encapsulating layer surrounding the colorant has at least one polymer that is soluble in aqueous medium surrounding the tinting material wherein the layer has a thickness from about 0.5 to about 5 mils and can dissolve to release the dispersible tinting material in an aqueous coating composition having about 25 to about 45 volume percent solids and about 55 to about 75 volume percent water in less than 15 minutes with agitation at a temperature in the range of about 50 to about 110° F. One or more of the encapsulated colorants as a pouch or pouches are contained in a moisture resistant package until ready for dissolution in the coating composition. A plurality of the encapsulating colorants as pouches in moisture resistant packaging comprise a system which along with one or more clear or tint base water borne coating compositions comprise a kit. A method involves placing one or more pouches in a volume of coating composition with stirring or shaking to provide a color to the composition.

The invention relates to a multifunctional computer data acquisition device which effectively solves the problems that data information stored in a computer is prone to being stolen and a network cable interface of the computer acquisition device is prone to being contaminated by dust. According to the technical scheme, the method comprises the following steps of: obtaining a solution; a data acquisition host and a standby host are arranged in the box body, and the standby host is electrically connected with a standby network port plugboard which is slidably connected to the bottom wall of thefirst cavity; when a lawbreaker steals information, the lawbreaker can steal the information. if the first password disk is just dialed, the standby host switch and the driving mechanism switch slideout of the second cavity; at the moment, the standby network interface plugboard electrically connected with the standby host slides to the network interface shielding plate under the driving of thedriving mechanism to shield the network interface plugboard on the data acquisition host, so that lawbreakers mistakenly steal information for the standby network interface plugboard, and the information in the data acquisition host is safer. When the device is not used, the keyboard, the network cable interface or the USB interface can be sealed, and external dust is isolated.

A flooring system for floors exhibiting surface movement, and / or for cushioning hard floors, which includes an epoxy or polyurethane primer, a two-component ambient temperature cured polyurethane membrane substrate base atop the primer of a urethane grade castor oil, polyether based polyol, a tin catalyst and a thickening agent, along with a polymeric isocyanate activator, and a polyurethane or polyurea, aromatic or aliphatic coating atop the substrate base, in providing a very tough, but flexibly soft non-cracking overlay which moves with the floor.

The invention discloses a method for forming a pile in a stratum with a hard rock stratum in a lower part. The method comprises the following steps: drilling by adopting a rotary drilling rig, and stopping drilling construction when the rotary drilling rig reaches the hard rock stratum; continuing drilling to a designed elevation by adopting a water mill drilling rig; cleaning the bottom of a hole, placing a steel reinforcement cage into the drilled hole, and then filling pile body concrete. According to the method, vibration and noise pollution caused by hard rock impact and blasting are avoided; a secondary hole cleaning link after the hole is finished is also omitted; the problems of hole bottom sludge and difficulty in loosen soil cleaning are solved; respective advantages of the rotary drilling rig and a manual hole digging pile are fully played; the construction period can be effectively shortened; the construction cost can be reduced; the construction quality can be ensured; the method is not limited by ambient environment; the requirements of safe, civilized and green construction are met.

A detachable stove and barbecue combination being used as both heater and barbecue at the same time, which comprises a hollow compartment comprising an opening for loading fuel thereinto, and a detachable internal gridiron for placing meat thereon; a flue pipe on top of the compartment and in communication therewith for escaping smoke generated by burning fuel; and a support on underside of the compartment, the support having a predetermined height for mounting the compartment above the ground by the predetermined distance, enabling the combination to be detachable for eliminating the drawbacks of being bulky, not easy to move and not easy to clean.

The invention discloses a slit suction nozzle structure for dust collectors, which belongs to a suction nozzle for dust collectors with an adjustable fixed brush. The slit suction nozzle structure comprises a splicing part of a circular pipe orifice and a slit suction nozzle, wherein the two side walls of the slit suction nozzle are narrowed so as to form a slide channel; evaginable surfaces on a same plane are formed at the front port of a sleeve, upper and lower evaginable surfaces on a nozzle opening are respectively provided with antistatic materials, and the front port of the sleeve (moving along the slide channel) on the slit suction nozzle is provided with a roll-over brush. In the invention designed as above, on the basis of the function of an original slit suction nozzle, the sleeve moving along the slide channel and the integral roll-over brush not only can loose harder dust, but also the brush subjected to rolling is more beneficial for the storage of the sleeve so as to avoid the sleeve from being damaged; and because the evaginable surfaces on the front port of the sleeve are respectively provided with antistatic materials, an operation that the static electricity of dust with static electricity can be eliminated successfully and then the dust is sucked into the slit suction nozzle can be ensured, thereby achieving the integration and conversion of functions of the slit suction nozzle, the brush and static electricity elimination.

The present invention relates to a test film for detecting surface particles in a clean room in order to prevent inferior products by measuring the contamination level of the clean room using the surface particles. The present invention provides a test film for detecting surface particles in a cleanroom, the test film comprising a substrate which has a predetermined thickness and is formed of a transparent synthetic resin material; a first adhesive layer which is formed at one side of the substrate and collects the surface particles; a release film which is adhered to the first adhesive layer and is separated from the first adhesive layer when the surface particles are collected; a second adhesive layer which is formed at the other side of the substrate; and a protective film which is adhered to the second adhesive layer so as to protect the substrate and has gradations indicated thereon. According to the present invention, there is an effect in that it is possible to easily and quickly check whether or not a clean room is contaminated by collecting, on the adhesive layer-applied surface of a substrate to which an adhesive is applied, surface particles adhered to an object to be measured, and then measuring the number, size, distribution, etc. of the surface particles with the naked eye or using instruments such as a light, a magnifier, a microscope, or the like.

The invention discloses a commercial concrete informatization control pre-storage bin, and belongs to the technical field of concrete pre-storage bins. The commercial concrete informatization control pre-storage bin comprises a movable base, two symmetrical L-shaped supports are fixed to the top end of the movable base, the same pre-storage tank is fixed between the two L-shaped supports, a motor is fixed to the top end of the pre-storage tank through an L-shaped plate, and an anti-solidification mechanism and an auxiliary discharging mechanism are connected between the pre-storage tank and the motor. By arranging the anti-solidification mechanism, concrete can be evenly stirred, the concrete solidification phenomenon is prevented, the concrete solidification speed is reduced, meanwhile, two scraping plates can scrape away concrete attached to the inner wall of the pre-storage tank, the phenomenon that when concrete is taken out of the pre-storage tank and used, a small amount of concrete is attached to the inner wall of the pre-storage tank, and the concrete is not easy to take out and use is avoided, the waste phenomenon is reduced, the phenomenon that concrete is not easy to clean after being dried and solidified is effectively prevented, and the use space of the pre-storage bin is prevented from being occupied.

The invention discloses a numerical control gantry linear guide rail forming grinding machine. Stand columns are arranged on the two sides of a machine body, a lifting base is arranged in the machinebody, a first motor and a steering gear box are arranged at one end of the machine body, the first motor is connected with the steering gear box, the steering gear box is movably connected with a workbench mechanism through a long screw rod, and the workbench mechanism is movably connected with the lifting base. A dust removal mechanism is arranged in each stand column, an electrical controller isarranged inside any stand column through a telescopic rod, the upper surfaces of the stand columns are connected with the lower surfaces of sliding base crossbeams, and two rams are movably arrangedat one end of each sliding base crossbeam. Sliding block mechanisms are arranged at the ends, away from the sliding base crossbeams, of the rams. Grinding head mechanisms are arranged at the ends, away from the rams, of the sliding block mechanisms. The numerical control gantry linear guide rail forming grinding machine is reasonable in structure, there is no need to replace a workbench especiallyaccording to the height of a workpiece, the cost is saved, for bevel grinding, grinding can be conducted by rotating grinding heads, and the machining efficiency is greatly improved.

The invention relates to the technical field of textile equipment maintenance, in particular to a textile equipment cleaning device. According to the problem that a thread residue is attached to a table board of textile equipment and thus cannot be cleared easily in the prior art, the following solution is put forward. The textile equipment cleaning device comprises a shell which is a hollow cylinder. A rectangular first through hole is formed in the bottom of the shell. Two sets of second through holes are symmetrically formed in the side edge of the shell. First rotating shafts and second rotating shafts are both installed inside the shell and in the first through hole of the bottom of the shell in a rotating mode. Belt pulleys are both installed on the two first rotating shafts and thetwo second rotating shafts. Belts are both connected between the two first rotating shafts as well as between the two second rotating shafts. Electrostatic precipitation cloths are both sewn to the outsides of the two sets of the belts. Recovery devices are installed in the second through holes. A driving device is installed on the side edge of the shell. The side edge of the shell communicates with an exhaust pipe. An air injection device is installed at the top of the shell. The textile equipment cleaning device is easy to operate, cleanliness of the table board of the textile equipment is guaranteed, and the recovery efficiency is high.

The invention provides a fermentation tank cleaning device, and relates to the field of fermentation tank cleaning. The fermentation tank cleaning device comprises a driving motor, a fermentation tank, a mounting frame, a bottom plate and a spraying mechanism; the driving motor is arranged on the outer wall of the top end of the fermentation tank; an output shaft of the driving motor is provided with an electric telescopic rod through a coupler; the mounting frame is arranged on the outer wall of the top end of the fermentation tank; the spraying mechanism comprises a water inlet pipe, a hose and a spray head; one end of the spray head is fixedly connected with the electric telescopic rod, and one end of the hose is connected with the water inlet pipe; and the spray head is communicated with the other end of the hose. According to the fermentation tank cleaning device, the bottom plate can drive impurities to enter a cleaning groove, the problem that impurities at the bottom end of a fermentation tank are not easy to clean is solved, the bottom end can be conveniently cleaned by the spray head, meanwhile, the bottom plate can repeatedly move up and down, caked impurities are crushed and rapidly fall off, and the impurities can conveniently flow out of a liquid outlet cavity along with water flow.

The invention discloses LED lamp belt automated assembling equipment with groove glue injection height detection. The equipment particularly comprises a base, a workbench, a laser displacement sensorand a U-shaped half sleeve, wherein a frame body is installed on one side of the top of the base, a vacuum pump is installed at the middle position of the top of the frame body, electromagnetic sliderails are arranged at both ends of the top of the frame body, sliding blocks are installed inside the electromagnetic slide rails, hydraulic telescopic rods are fixed to the bottom ends of the slidingblocks, and vacuum suction cups are arranged at the bottom ends of the hydraulic telescopic rods. According to the LED lamp belt automated assembling equipment with groove glue injection height detection, through the arrangement of the laser displacement sensor and an alarm, the laser displacement sensor can detect the glue injection groove depth of the U-shaped half sleeve, if the glue injectiongroove depth is detected as unqualified, a control panel can control the alarm to send an alarm to remind staff to take away a bad U-shaped half sleeve, and unqualified assembled LED lamp belts are avoided.

The invention discloses a combined pollen collector. The combined pollen collector disclosed in the invention comprises a pollen collection system, a pollen collection system and an electric power system which are successively transversely connected; the pollen collection system comprises a hollow shell 1 with openings on three sides, and a pollen collector connected with the lower opening of thehollow shell 1 in a closing manner; the opening on the front end of the hollow shell 1 is detachably connected with the pollen collection system in a closing manner; the opening on the rear end of thehollow shell 1 is detachably connected with the electric power system in a closing manner; a ventilation filter net is arranged inside a shell of the pollen collection system; and the ventilation filter net consists of two-layer structure including a mesh plate 2 and a silk electric power woven fabric 3. The pollen collector not only can conveniently and effectively collect the pollen, but also can disassemble the structure to facilitate the pollen obtaining; and by adopting the ventilation filter assembly capable of effectively filtering the pollen, the pollen can be effectively prevented from entering the electric power system, and the net blockage can be prevented.

The invention provides a flexible distribution and guide system for falling rocks. The flexible distribution and guide system comprises a flexible longitudinal falling rock guide slope and a flexible transverse falling rock distribution slope. According to the flexible distribution and guide system for the falling rocks, the guide idea is combined with the distribution idea of curtain type nets, the safe guide and orientated accumulation of the falling rocks are achieved effectively, the distribution, guide and orientated accumulation can be conducted on the falling rocks of a mountainous region, and a target building can be protected effectively.

The invention discloses a production method for building glass in the technical field of building material processing, comprising a bottom plate. A drive mechanism is provided at the top of the bottomplate; a gluing device is provided at the top of the bottom plate, and comprises a first rotating shaft fixedly connected to the center of the top of the bottom plate; a first rotating disc is fixedly connected to the top of the first rotating shaft; a first chute is formed in the outer wall of the first rotating disc; and a rotating ring is rotatably connected to the outer wall of the first rotating shaft. By providing the gluing device, glue can be accurately injected to the edges of the inner sides of two glass stacks, the dripping of the glue due to non-ideal glue spraying position is avoided, so that the waste of the glue is reduced, the pollution to a workbench is reduced, the gluing is more accurate, the problem that two pieces of glass cannot be bonded due to inaccurate gluing isavoided, the processing quality is improved, the processing of glass plates with different shapes can be implemented, and the practicability of the device can be greatly improved.

The invention discloses an electric coating stirring device which comprises a stirring barrel main body; a barrel cover is arranged on the upper end of the stirring barrel main body; a first motor isarranged on the barrel cover; a rotating shaft is connected with an output end of the first motor; a fixed plate is connected with the lower end of the rotating shaft; a first stirring shaft is arranged at the center of the bottom of the fixed plate; a stirring blade is arranged on the first stirring shaft; second stirring shafts are arranged on the two sides of the first stirring shaft; second motors are arranged on the two ends of the surface of the fixed plate; stirring rods are arranged on the two sides of the second stirring shafts; brush plates are arranged on the stirring rods; electricheating plates are arranged in the two sides of an inner wall of the stirring barrel main body; air exhaust pipes are arranged on the two ends of the bottom in the stirring barrel main body; air blowers are arranged on the two sides on the exterior of the stirring barrel main body. In the electric coating stirring device, the first stirring shaft and the second stirring shafts are matched with each other, so that the stirring scope is expanded, the stirring is uniform and thorough, the time of stirring is reduced and the stirring efficiency is effectively increased.

The invention discloses a high-stability lighting device for building construction, which comprises a lamp body, the lamp body comprises a limiting structure and a protection pipe body, a telescopic rod is installed in the protection pipe body, a sliding groove is formed in the inner wall of the protection pipe body, meanwhile, a limiting groove is formed in the telescopic rod, and a sliding blockis fixedly connected to the telescopic rod; the bottom of the telescopic rod is fixedly connected with a mounting column, the upper side of the mounting column is fixedly connected with a hinge block, a sliding column is mounted at the bottom of the mounting column, a sliding block is arranged on the sliding column, and a connecting rod is hinged to the sliding block; the limiting structure is arranged on the upper right side of the protection pipe body, a wedge-shaped block is installed on the limiting structure, and the right end of the wedge-shaped block is fixedly connected with the connecting column. According to the illuminating lamp for building safety construction, the wedge-shaped block on the limiting structure is clamped in the limiting groove in the lowermost side of the surface of a telescopic rod, at the moment, three sets of supporting legs are contracted, meanwhile, the upper ends of the three sets of supporting legs are stored in the protection pipe body, and carryingand storage are convenient.

The invention belongs to the field of floor technical research, and particularly relates to an indoor dust collection and humidification floor which is composed of a floor body, a support, air suctionpipelines, a water inlet pipeline and a drain outlet. The floor body is connected with the ground through the support. The air suction pipelines are installed on the two sides of the lower side of the floor body respectively. The water inlet pipe is installed at one end of the lower side of the floor body. The drain outlet is formed in the opposite side of the water inlet pipeline. The problem that indoor dust cannot be easily cleaned away is well solved, the indoor air quality is improved, it can be well avoided that indoor dust is raised when a heating floor is used, the flow of a water inlet and outlet can be adjusted, humidifying is conducted indoors, and it is avoided that indoor dryness is caused when the heating floor is used. The indoor dust collection and humidification floor issimple in structure, convenient to install and reasonable in design, can comprehensively absorb dust and conduct humidifying, can reduce labor input and saves time and labor.

The invention discloses an efficient molding powder blending device. The efficient molding powder blending device comprises a stirring box and a supporting base. A feeding barrel is arranged on each of the two sides of the stirring box. The two feeding barrels are mounted on two supporting bases below the stirring box correspondingly. A first feeding opening is arranged on the outer wall of the lower end of each feeding barrel. An impurity removal box fixed to the outer side of the corresponding feeding barrel is arranged above each first feeding opening. A feed hopper is mounted at the top ofeach impurity removal box. The bottom ends of the impurity removal boxes communicate with the first feeding openings through guide pipes. Second feeding openings are arranged on the two sides of thetop of the stirring box. Discharging openings are arranged at the positions, close to the outer walls of the upper ends of the second feeding openings, of the feeding barrels. The discharging openingscommunicate with the second feeding openings through discharging pipes. According to the efficient molding powder blending device, molding powder raw materials can be automatically conveyed into thestirring box from low places upwards, the molding powder raw materials do not need to be manually lifted to the top of the stirring box to be fed, the labor intensity is relieved, and work efficiencyis improved.

The invention provides an underwater camera device, and relates to the field of cameras. The underwater camera device comprises a mounting plate, a fixing block and a camera mechanism, the fixing block is fixedly connected with the mounting plate through bolts, the camera mechanism is arranged on the inner wall of the mounting plate, the camera mechanism comprises a fixing plate, a buffer mechanism, a light supplementing lamp, a light supplementing plate and a mounting head, the light supplementing lamp is arranged in a mounting groove in the fixing plate, the light supplementing plate is arranged on one side of the light supplementing lamp, the mounting head is connected with the fixing plate through the buffer mechanism, the mounting plate comprises a flow guide plate, water through holes and water through pipes, the water through holes are formed in the flow guide plate, the water through holes are communicated with one another, the water through pipes are arranged on the inner walls of the two sides of the flow guide plate, and the water through pipes are communicated with the water through holes. According to the underwater camera device, a light source can be provided for the camera, and the situation that due to the fact that impurities are attached to the light supplementing plate, the shooting effect is affected due to insufficient light during underwater shooting is prevented.

The system, method and apparatus involves the control of microbiological contamination of commercial freeze dryers using advanced oxidation gases produced by Photohydroionization (PHI) Cell technology. The PHI Cell system produces hydro peroxides, super oxide ions, ozonide ions, hydroxides and other oxidative gases. These compounds act as anti-microbial agents and systematically inactivate bacteria, viruses, yeast and mold in the air and on surfaces inside commercial freeze dryers.

The invention discloses a wall cleaning device, which comprises a brush head, a rolling brush, a rolling brush motor, a roller shaft, a motor gear, a rolling brush gear, a bearing, an air dryer, an air drying port, an electric heating element, an air drying motor, fan blades, and a handle Rod, handle, collection box, collection bag, controller, battery, switch and wires, a rolling brush is arranged under the brush head, an air dryer is arranged under the brush head, a collection box is arranged under the air dryer, and the collection box There is a handle bar under the brush head, a roller brush motor is arranged on one side of the brush head, and a motor gear is arranged at the front end of the roller brush motor. This wall cleaning device solves the problem that the finely decorated wall is not easy to clean, making the wall Cleaning is easier, more convenient, and cleaner. By controlling different working methods, this wall cleaning device realizes the cleaning of walls with different cleanliness. It can clean walls of different heights by changing the handle bar of different lengths. .

The invention provides a cleaning device of powder laying equipment of a powder 3D (three-dimensional) printer, and relates to the technical field of 3D printing. The cleaning device is designed for solving the problem that the powder laying equipment of the existing 3D printer cannot be cleaned up. The powder laying equipment of the 3D printer comprises a servo driving module, an air cylinder lifting adjustment module, a wiping module and a cleaning atomization module, wherein the cleaning atomization module is a device for cleaning the wiping module and spraying mist to wet the wiping module; the servo driving module is used for driving the air cylinder lifting adjustment module and the wiping module to reciprocate together; the lifting adjustment module is used for driving the wiping module to move up and down; and thus, the automatic cleaning of the powder laying equipment is realized, and the problem that the powder laying equipment cannot be cleaned up is solved.

The invention discloses a manual lifting device for drawing. The manual lifting device structurally comprises a drawing board, a baffle, a storage box, an angle adjusting supporting rod, a connectingframe, an inner shell, an outer shell, supporting legs, a rocking handle, a long shaft, a first bevel gear, a second bevel gear, a screw, a screw sleeve, a clamping device and a collecting device. According to the design, the manual lifting device for drawing has the advantages that by means of the design of the clamping device, the problems that paper is prone to displacement in the drawing process and drawing errors are caused are solved; by rotating a first fixing bolt and a second fixing bolt, moving a first pressing plate to slide along a first slide way and a second slide way to the edgeof the paper, rotating the first fixing bolt and the second fixing bolt to fix the first pressing plate and rotating a third fixing bolt and a fourth fixing bolt in the same way to fix the other sideof the paper through a second pressing plate, the drawing paper is fixed, and the displacement in drawing is prevented.

The invention belongs to the technical field of dust removal equipment, and particularly relates to a dust-gas separation device and a dust collector with the same. The dust-gas separation device comprises a dust cup, a filtering unit, a cleaning unit and a driving unit. The filtering unit is arranged in the dust cup. A plurality of filtering holes are formed in the peripheral surface of the filtering unit. The cleaning unit comprises a cleaning piece. The cleaning piece is arranged at the position, corresponding to the filtering holes, outside the filtering unit. The driving unit is in driving connection with the cleaning unit. The cleaning unit can be driven by the driving unit to rotate. Therefore, the peripheral surface of the filtering unit is cleaned through the cleaning piece. According to the dust-gas separation device, the filtering unit can be effectively cleaned under the condition that the dust cup does not need to be opened. The complexity of the dust cleaning process is reduced. The dust cleaning efficiency is improved. The dust and the hair falling in the cleaning process are stored in the dust cup. The environmental pollution caused in the dust cleaning process is effectively reduced.

The invention discloses small equipment for removing stone ballast below a railway sleeper. The equipment comprises a vehicle body, a horizontal moving device, a lifting device, a steering device and a ballast removing device. The equipment is simple in structure, low in manufacturing cost, strong in universality, convenient to operate and easy to popularize, can remove stone ballast under a railway main line and a complex turnout sleeper, multiple devices can be used in cooperation when the ballast cleaning operation is carried out, the labor intensity of railway workers can be greatly reduced, and the manual ballast removing efficiency is improved.

The invention discloses environment-friendly high-technology road-surface technological equipment. The environment-friendly high-technology road-surface technological equipment comprises an automobile body with a vehicle chassis, a carriage and an automobile head, and is characterized by further comprising a road-surface dust striking device and a dust removal device. The road-surface dust striking device is composed of an impeller head, an impeller head motor, a material distribution cabin and a recovery channel, wherein the impeller head, the impeller head motor, the material distribution cabin and the recovery channel are arranged on the automobile chassis; the material distribution cabin is communicated with the impeller head fixed on an impeller head box; the impeller head is further connected with the impeller head motor; the impeller head box is communicated with the material distribution cabin through the recovery channel; the dust removal device is composed of a dust removal box communicated with the material distribution cabin and a negative-pressure generator connected with the dust removal box; the negative-pressure generator is composed of a draught fan motor, an induced draft fan and an air suction box connected with the dust removal box; the induced draft fan is connected with the draught fan motor, and is communicated with the air suction box. The environment-friendly high-technology road-surface technological equipment effectively solves the problem that dust bonded on a road surface and hard to clean can not be cleaned easily.

A cover assembly includes a main body, a control, an outer cover, a protective cover, and a transmitting member. The control is slidably mounted in the main body. The outer cover is detachably mounted in the main body. A protective cover is rotatably engaged in the outer cover. A transmitting member is rotatably mounted in the main body, with one end fixed on the control and another end engaging the protective cover. The control slides relative to the main body, and the transmitting member rotates the protective cover relative to the outer cover.

The invention relates to a bituminous pavement water seepage meter under a dynamic water effect and a use method of the bituminous pavement water seepage meter. The water seepage meter comprises an upright pillar bracket, wherein a measuring cylinder is arranged at the upper part of the upright pillar bracket, is externally connected with a water source and an air pressure machine respectively through a first pipeline and a second pipeline and is connected with a cylinder body placed on a supporting platform through a third pipeline, an asphalt concrete test piece is placed in the cylinder body, the cylinder body is connected with a water containing bucket placed on a rotating platform through a fourth pipeline, and valve switches are mounted on the first pipeline, the second pipeline andthe third pipeline. A user only needs to execute core boring sampling at a testing point, and take all collected samples to a laboratory to execute unified testing, so that the problem that the meteris carried out to multiple places for testing is solved, the goal of reducing the workload of an operator is achieved, and meanwhile, the utilization rate of the operator is maximized; and an instantpopup conveying principle of a cartridge of a spring pen is utilized in the structure of the valve switches, and the valves are rapidly opened by pressing switches, so that the problem that water cannot instantly flow out is solved, and the precision of a water seepage coefficient is increased.

The invention relates to internal dredging equipment for a municipal drainage pipeline. The internal dredging equipment comprises base plates, retractable mounting frames, walking wheels and a cleaning device; the walking wheels are mounted at the lower ends of the base plates, the retractable mounting frames are mounted at the upper ends of the base plates, sliding grooves are formed in the retractable mounting frames, and the cleaning device is mounted on the retractable mounting frames; the cleaning device comprises a position adjusting mechanism, a working frame, a side wall cleaning mechanism and a bottom cleaning mechanism, the side wall cleaning mechanism comprises a driving branch chain, retractable scraping plates, pushing air cylinders, pushing plates and retractable material collection grooves, and the bottom cleaning mechanism comprises a cleaning branch chain and collection branch chains. The equipment can solve the problems of high labor cost, large cleaning difficulty, small application range and hidden safety dangers in the existing process of dredging rainwater ports and achieve the function of automatically cleaning and dredging the rainwater ports and has the advantages of being low in labor cost, small in cleaning difficulty, wide in application range, high in safety and the like.