149results about How to "Achieve unblocking" patented technology

The invention discloses a rainwater recycling system for a sponge city, and relates to the technical field of rainwater collection. The rainwater recycling system improves the rainwater collection efficiency. The rainwater recycling system involves a rainwater collecting well, a reservoir communicating with the rainwater collecting well, and a drainage grating covering a wellhead of the rainwatercollecting well, wherein the reservoir is buried underground; and the rainwater recycling system further involves two sewage collecting wells arranged adjacent to the rainwater collecting well, arc-shaped grooves are formed in the two opposite side walls in the rainwater collecting well, a filtering assembly used for filtering rainwater is rotationally connected between the two arc-shaped grooves,the filtering assembly comprises a center shaft, two filtering plates fixedly connected with the center shaft and a flow guide plate, the two filtering plates and the flow guide plate are evenly distributed around the center shaft, the center shaft is rotationally connected to the middle of the inner wall of the rainwater collecting well, and the axis of the center shaft coincides with the central axes of the arc-shaped grooves. According to the rainwater recycling system, impurities such as sludge on the filtering plates can be washed and collected through rotation of the filtering plates, and the filtering speed of the rainwater is increased.

The invention discloses a novel vertical shaft excavating vehicle. The novel vertical shaft excavating vehicle comprises a chassis part and a top-entry part, wherein the chassis part comprises a power and heat dissipation system, an underframe and a supporting leg system; the top-entry part comprises a telescopic arm assembly, a luffing mechanism, a bendable grab bucket mechanism, a high-pressure water spray device and a hydraulic and electrical control system. Stagnating objects within a certain turning radius range in the vertical direction of a vertical shaft can be grabbed out of the shaft, stagnating objects of an underground pipe network located within a certain range close to the vertical shaft to be dredged and vertically communicated with the vertical shaft are grabbed for dredging, and the vertical shaft can be dredged by 360 degrees in an all-around mode without a dead angle; after the vertical shaft is preliminarily dredged through a grab bucket, the high-pressure water spray device integrated on an excavating vehicle body is used for high-pressure water spraying to thoroughly dredge the drainage pipe network.

The invention discloses a manufacturing raw material stirring device for automobile tyres for finished automobile manufacturing. The device comprises a stirring tank, wherein the upper surface of thestirring tank is fixedly connected to a motor; the output shaft of the motor is fixedly connected to a first gear; the first gear is engaged to a second gear; the lower surface of the second gear is fixedly connected to a first rotating shaft; the bottom end of the first rotating shaft penetrates through a first bearing locked to the upper surface of the stirring tank and is fixedly connected to the top end of a stirring rack arranged in the stirring tank. According to the device, a first rotating rod and a first stirring blade rotate in a feeding barrel, so that raw materials in the feeding barrel are stirred and dredged while falling; driven by the motor, the feeding barrel is dredged while the raw materials in the stirring tank are stirred without employing a special electrical dredgingdevice to dredge of the feeding barrel, so that the power resource is saved, and an energy-saving effect is achieved.

The invention relates to a method and a device for cleaning a mass flowmeter and is characterized in that the method for cleaning the mass flowmeter comprises a dredging working procedure and a subsequent cleaning working procedure, wherein the dredging working procedure comprises a medium-temperature medium-pressure steam source (the temperature is 150 to 175 DEG C, and the pressure is 0.5 to 0.8MPa)-a steam sweeping loop-the mass flowmeter-an outlet pollutant discharging pipe-a cleaning tank, and the cleaning working procedure comprises the cleaning tank (3)-a circulating pump inlet pipe (9)-a circulating pump (12)-a circulating pump outlet pipe (10)-a U-shaped pipe mass flowmeter (1)-an inlet pollutant discharging pipe-the cleaning tank (3). According to the invention, the scrapping of the mass flowmeter due to the loss of a metering function after blockage can be effectively avoided, and the high-precision metering function of the mass flowmeter can be restored within a shorter period of time, thereby the maintenance cost is greatly lowered, the production stability is guaranteed, the device has the advantages of simple structure, safety, environmental protection and the like, and the method and the device have greater popularizing value in the field of industrial metering systems.

The invention relates to a good-dredging-effect dust removing device for air purification. The dust removing device comprises an outer casing, an air inlet pipe, an air outlet pipe, a controller, a water tank, a sealing mechanism and four stand bars, wherein a filter net and a dredging mechanism are arranged in the outer casing, the sealing mechanism comprises a first motor and two sealing assemblies, and each sealing assembly comprises a bearing, a screw rod, a translation block, a bracket and a sealing plate; and the dredging mechanism comprises a water pipe, a nozzle, a moving component, amoving plate and a swinging component. According to the good-dredging-effect dust removing device for air purification, water can be sprayed to the filter net through the dredging mechanism, so that dust on the filter net flows downwards with water flow, dredging of the filter net is achieved, and the damage to the filter net is avoided at the same time; the dredging mechanism is safer and more reliable, no damage to the filter net is caused, and in addition, in the dredging process, the air inlet pipe and the air outlet pipe can be sealed through the sealing assemblies, so that influences, caused by discharging of wastewater obtained after dredging is performed from the air inlet pipe, on the surrounding environment is avoided, and the practicability of the device is improved.

The present invention discloses a parking lot vehicle guidance system which comprises a parking space state detector which is arranged at a parking space and is used for detecting whether a vehicle is in the parking space, an information management device which is connected to the parking space state detector and is used for sending a parking space without a vehicle to a vehicle guidance device according to the parking space information and parking space state information returned by the parking space state detector, the vehicle guidance device which is arranged in the parking space and is connected to the information management device and is used for displaying the parking space without the vehicle. An owner which enters the parking lot to park a vehicle can park the vehicle through the vehicle guidance device, and the traffic congestion caused by the blind searching of the parking space in the parking lot can be avoided. The clearing and guidance of the vehicles parked in the parking lot are realized, and a vehicle congestion phenomenon in the parking lot can be avoided to a certain extent.

The invention discloses blockage dredging and draining enhancement process for drain holes of side slopes and a device for the blockage dredging and draining enhancement process. Silt deposited in a drain pipe is removed manually or mechanically at first, then a high-pressure air inlet pipe is inserted into the drain pipe, pressure loss plugging is carried out at an outlet end of the drain pipe, compressed air which is compressed by an air compressor is pumped into the drain pipe via the air inlet pipe, the silt blocked in a small hole on the drain pipe is removed by the aid of impact force of the compressed air, then permeation consolidated soil surrounding the drain pipe is in pressure split by the aid of the compressed air entering the permeation consolidated soil via the drain pipe, and is loosened, and gaps are formed in the permeation consolidated soil. The blockage dredging and draining enhancement process and the device aim to solve the problem that a draining effect is deteriorated or a draining function is invalid after existing drain holes of side slopes are used for a long time, small hole of a filter pipe section is washed by the high-pressure compressed air, the soil outside the drain pipe is split by the aid of the high-pressure compressed air, and accordingly, effective permeability of the drain pipe is recovered or enhanced.

The invention belongs to the technical field of graphene preparation, in particular to a graphene production process. The graphene production process includes the following steps of: using natural flake graphite or artificial graphite as raw materials, adding oxidant for oxidation reaction to obtain graphite oxide, then adding intercalation agent for intercalation reaction, and conducting suctionfiltration to reaction solution after the intercalation reaction is finished to obtain intercalated graphite after drying; grinding and sieving the prepared dried intercalated graphite by using a grinding device to obtain expandable graphite; dispersing the obtained expandable graphite in sonication solvent to conduct ultrasonic treatment and realize primary stripping; conducting microwave irradiation treatment of the obtained graphite of ultrasonic primary stripping through graphene two-stage microwave production equipment to realize final stripping. The graphene production process has the advantages that with the ultrasonic and microwave radiation to strip the graphite twice, the graphene obtained by stripping is highly fluffy; with graphene finished products not containing organic functional groups, quality of graphene products is improved.

The invention relates to the technical field of smashing devices, and discloses a garbage smashing and treating device for garbage landfills. The garbage smashing and treating device comprises a tank.A feed inlet and a discharge outlet are formed in the tank, a smashing cutter is rotationally arranged in the tank and is connected with a power mechanism, the power mechanism comprises a cylindricalcam, a gear is rotationally arranged on an oblique plane of the cylindrical cam, the smashing cutter comprises a head and blades, the blades are rotationally arranged on the head, the head is hingedinto the tank, push handles are connected onto blade surfaces of the blades, and ejector rods are hinged onto the push handles, are clamped in tooth spaces of the gear and are butted onto the obliqueplane of the cylindrical cam. The garbage smashing and treating device has the advantage that the problem of influence on the garbage smashing quality due to the fact that garbage sleeves existing smashing cutters can be solved by the aid of the garbage smashing and treating device.

The invention discloses a novel roller screen, and belongs to the field of screening equipment. The novel roller screen comprises a frame, a screen cylinder, a motor, a speed reducer and a screen cylinder cleaning device, wherein the screen cylinder cleaning device comprises a roller, an adjusting rotating shaft, a cleaning motor and a plurality of cleaning parts; the roller is hollow and rotatably connected with the frame; the adjusting rotating shaft is rotatably connected in the roller; a plurality of rows of through holes which are uniformly distributed circumferentially are formed in theroller; the plurality of cleaning parts correspond to the plurality of through holes one by one; the distribution mode of screen holes in the screen cylinder is the same as that of the through holes in the roller; each cleaning part comprises an outer sleeve, an ejector rod, a limiting baffle plate, a spiral spring and a bottom plate; the outer sleeves, the ejector rods, the limiting baffle plates, the spiral springs and the bottom plates are positioned inside the roller; two rotary tables are arranged on the adjusting rotating shaft; a plane spiral sliding groove is formed in the end surfaceof each rotary table; a plurality of sliding blocks are arranged on the plane spiral sliding grooves; and the bottom plates are arranged on the sliding blocks. According to the the novel roller screen, the dredging strength of the screen cylinder cleaning device to the screen holes can be flexibly adjusted as required.

The invention discloses a multifunctional riverway treatment robot. The robot comprises a hull, electric push rods are arranged on the two sides of the hull, the electric push rods are vertically arranged, the movable ends of the electric push rods are downwards arranged, the movable ends at the lower ends of the electric push rods are provided with silt pulling wheels, wherein the silt pulling wheels comprise silt pulling wheel blades, and the silt pulling wheels are arranged at the bottom of the hull; material sucking pipes are arranged at the head end of the hull, wherein a plurality of material sucking pipes are vertically distributed side by side, and the material sucking pipes are fixed through a fixing frame; and the fixing frame is connected with a limiting sliding block, the limiting sliding block is connected with a driving support, the driving support is arranged on a hydraulic cylinder, the upper ends of the material sucking pipes are connected with a negative pressure box,the negative pressure box is connected with a fixed pipeline through a telescopic negative pressure pipe, the fixed pipeline is connected with a liquid pumping pump, and the liquid pumping pump is connected with a silt dewatering device. According to the robot, the structure is stable, the operation is stable, the riverway silt removal treatment function can be realized, the riverway silt can bedredged, the riverway slit which is difficult to flush away can be pumped-off and transferred, the desilting effect is good, the desilting efficiency is high, and the existing use requirements are met.

The invention discloses a preparation process of a polypropylene physical foaming composite board, and solves the problems of either low efficiency or poor performance of preparation of composite boards due to the fact that the existing gap type PP physical foaming method has low preparation efficiency, molten liquid obtained by continuous extrusion foaming and supercritical CO2 are not uniformlymixed and foaming performance is poor. The preparation process comprises the following steps: step 1, adding polypropylene particles to a reactor; step 2, introducing supercritical CO2; step 3, performing stirring to form saturated molten liquid; step 4, opening a discharge valve, opening an air cylinder to push a push plate to move downward and press the saturated molten liquid into an extrusiondevice, enabling a screw below a stirring shaft to enter a discharge port under drive of the push plate, and spirally extruding the saturated molten liquid at the discharge port. The preparation process has the advantages of semi-continuous extrusion, stable discharge, high production efficiency and the like.

The invention discloses a device for dredging water utilization pipelines, which comprises a device body. A rotating device is fixedly installed in the middle of the device body. The rotating device includes a storage battery, a motor, a control device and a radio signal receiving device. There is a motor, the right end of the motor is equipped with a control device, the motor is electrically connected to the control device through wires, the lower end of the control device is fixedly connected to the upper end of the radio signal receiving device through bolts and screws, and the radio signal receiving device is connected through wires It is electrically connected with the control device, and an adjusting device is installed around the rotating device, and the connecting device is threadedly connected with the No. 1 connecting screw rod and the No. 2 connecting screw rod, and the other end of the adjusting device is fixedly connected with the arc-shaped plate. The water pipe dredging device has the advantages of reasonable structural design, convenient use, simple operation, safety and high efficiency, and can be widely used.

The invention discloses novel grain cleaning equipment which comprises a machine box. A feeding opening is formed in the top end of the machine box, and a hopper is welded to the feeding opening. Thelower end of the machine box is of a conic structure, a discharging opening is formed in the position of the bottom end of the machine box, and an ash pipe is welded to the discharging opening. Multiple vibration screens spaced up and down are arranged in the machine box. According to the novel grain cleaning equipment, when the condition that screen holes are blocked by materials happens, a leadscrew is lifted, so that the right sides of the vibration screens ascend, the whole vibration screens are in an inclined state, at this moment, compressed air is generated by an air compressor and issprayed out from spray pipes, the materials clamped in the screen holes are blown away from the screen holes under the action of wind power, therefore, the screen holes are dredged, and the materialsblown away from the screen holes roll out from a screening outlet; and cleaning of the vibration screens can be fast achieved as a whole, efficiency is high, and personnel are more relaxed.

The invention discloses a sustainable discharging device for preparing rare earth electrolysis waste fused salt. The sustainable discharging device comprises a bottom plate, a quantitative control mechanism, a discharging port, a transmission motor and a hopper, a reciprocating transmission part rotates to enable a quantitative spacing plate to do reciprocating motion in a discharging channel, when an upper baffle moves into a second storage groove, the discharging channel is sealed by a lower baffle, when molten salt in the hopper falls to the position above the lower baffle and the transmission rod drives the lower baffle to move into a first storage groove, the upper baffle seals an upper end of the discharging channel, and the molten salt at an upper end of the lower baffle falls and is discharged, so that quantitative feeding is realized, and timely adjustment is facilitated. The invention further discloses an implementation method of the sustainable discharging device for preparing the rare earth electrolysis waste molten salt, when a transmission plate moves up and down, convex teeth and gears are engaged to drive a shaft body to rotate in a reciprocating mode, a plurality of dredging rods rotate in a matched mode, the molten salt can be well loosened, the dredging rods are relatively dense, and massive fused salt can be blocked or ground and crushed with the inner wall of a loose pipe.

The invention discloses an unblocking device for V groove-shaped integrated reinforced concrete feed bins, and belongs to a process device for mineral separation. The unblocking device for the feed bins is characterized by mainly comprising an air compressor, an air storage tank I, an air storage tank II, a left junction box, a right junction box, an electric control box, pneumatic flow assisting devices and pneumatic control devices, wherein the pneumatic flow assisting devices and the pneumatic control devices are correspondingly arranged on the outer lateral surfaces of feed bin walls of the V-shaped left and right sides of each feed bin respectively; each pneumatic flow assisting device mainly comprises a master flow assisting pipeline, a pneumatic ball valve, an electric pneumatic executor I, a main flow assisting pipeline, branch flow assisting pipelines, flow assisting sub-pipelines, electric pneumatic executors II, a pneumatic butterfly valve and flow assisting nozzles; each pneumatic control device mainly comprises a master control pipeline, a main control pipeline, an air source filter, regulator and lubricator, a two-position two-way normally closed electromagnetic valve, a pressure meter II and branch control pipelines. The unblocking device is convenient to use, safe and reliable, the operating intensity of a worker is lowered, and the production efficiency of mineral separation is improved.

The invention discloses a discharging system for mechanical equipment. The discharging system comprises a mixer, the bottom of the mixer is fixedly provided with a first supporting pillar and a secondsupporting pillar, and the side, close to the first supporting pillar, of the second supporting pillar is provided with a limiting slot. The inner wall of one side of the limiting slot is provided with a first rotating slot, and the first rotating slot and the limiting slot are internally and rotatably provided with the same rotating pillar. The outer side of the rotating pillar is fixedly sleeved with a first conical gear, and the end, close to the first supporting pillar, of the rotating pillar is provided with a first threaded groove. The discharging system is high in practical performance, simple in structure and convenient to operate, and a push plate can push a material in the horizontal direction rapidly and conveniently; and meanwhile, the push plate can also push the material inthe vertical direction rapidly and conveniently, dredging of the blocking material is realized, a discharging opening can perform discharging conveniently, blocking objects on the discharging openingare dredged comprehensively, and requirements of people are met.

The invention belongs to the technical field of coating production, in particular to a powder coating production technology. The grinding equipment in the technology comprises an upper shell, a lowershell, a feeding hopper, a grinding roller, a rolling roller, a grinding linear, an outer grinding cylinder, a connecting plate, a stay cord and a swing arm. A driving motor is arranged to drive the swing arm to quickly swing, the swing arm drives the connecting plate to move through the stay cord so as to drive the grinding roller and the rolling roller on the connecting plate to move to grind granular coating on the inner wall of the grinding linear, meanwhile, the breaking effect of the grinding roller is good, and grinding efficiency is improved; the coating which is grinded into small particles falls to the inner wall of the outer grinding cylinder from a No.1 baiting hole on the grinding linear; and the rolling roller on the outer wall of the outer grinding cylinder extrudes the outer grinding cylinder, the outer grinding cylinder deforms, meanwhile, the coating on the inner wall of the outer grinding cylinder is rolled, the rolling roller extrudes the outer grinding cylinder toenable the outer grinding cylinder to deform, and then, the coating is grinded. Since a contact area with the coating is large, grinded coating powder is fine.

The invention discloses a disinfecting device for a mask. The device comprises a disinfecting box,and the box comprises a box body and a foldable box lid covering the box body. A platform for placingthe mask is arranged in the box body,and a plurality of vent holes are formed in the platform. A sprayer is installed in the box lid,the sprayer is communicated with a liquid storage chamber for conveying disinfectant to the sprayer,a liquid pump is installed on a communication pipe between the sprayer and the liquid storage chamber,and the liquid pump is used for controlling the efficiency of infusion. When the box body and the box lid are closed,a nozzle of the sprayer faces the platform,and the closed state of the box body and the box lid is the working state of the entire device. The device has a simple structure,can achieve continuous use of the mask,and not only is environmentally friendly but also saves resources.

The invention provides a preset drainage assembly for abdominal cavity perfusion. The preset drainage assembly comprises a reserved pipe fixed to the abdominal cavity of a patient and a perfusion connecting pipe penetrating through the reserved pipe to conduct abdominal cavity perfusion, an inflation dredging structure is arranged at the inner end, inserted into the abdominal cavity, of the reserved pipe, and the inflation dredging structure comprises an inflation expansion cavity arranged around the inner wall of the reserved pipe. A plurality of fan-shaped overturning pieces made of silica gel materials are arranged on the inner wall of the inner end of the reserved pipe, the fan-shaped overturning pieces are spliced to form a silica gel sealing plate for sealing the inner end of the reserved pipe, the annular elastic sealing skin is tightly attached to the fan-shaped overturning pieces, and after the inflation expansion cavity is inflated, the fan-shaped overturning pieces are pushed to overturn downwards and protrude out of the inner end of the reserved pipe, and the fan-shaped tip ends of the fan-shaped overturning pieces are used for dredging the inner end of the plugging reserved pipe. Before perfusion, the inflation expansion cavity is inflated and deflated, so that the fan-shaped turnover pieces are pushed to turn over downwards, dredging of the blocked pipe opening is achieved, operation is easy and convenient, and no damage is caused to the wound of a patient.

The invention discloses a screening device in tea packaging process. The screening device comprises a feeding frame, a screening frame and a discharging frame. The screening frame is located between the feeding frame and the discharging frame, the feeding frame is provided with a first conveying belt, and the end, away from the screening frame, of the first conveying belt is connected with a second rotating wheel in a penetrating manner. The problems that when an existing tea screening device is used, the screening speed is low, efficiency is low, after screening, tea cannot be conveniently taken out of the interior of the screening device for packaging, the whole process needs to be manually and repeatedly cooperated with the device for operation, consequently, the whole packaging efficiency is greatly reduced, in the screening process, a series of cooperated manners of turnover, stirring and the like are adopted for tea screening, the tea is easily broken, due to the fact that in thescreening process, a screen net is quite easily blocked, the screening effect is easily and greatly reduced, even, screening cannot be carried out, the blocked screen net needs to be manually treated, and troublesome is caused can be solved.

The invention relates to the technical field of metal stamping dies, in particular to a metal stamping die waste removing device. The device comprises a bracket, a die plate arranged on the upper portion of the bracket, a fastening screw arranged on the surface of the bracket, a die hole formed in the surface of the die plate, a buffer pad arranged on the bottom face of the die plate, a storage box arranged on the bottom face of the bracket, a mounting base is arranged on a bottom plate of the storage box, an electric hydraulic cylinder is arranged in the mounting base, a piston rod of the electric hydraulic cylinder is sleeved with a sealing ring, and the sealing ring is fixed in the mounting base. The metal stamping die waste removing device has the beneficial effects that after the dieplate is put into the bracket, the die plate and the bracket are connected together through the fastening screw, so that die plates with different die holes are conveniently assembled and disassembledon the bracket for use, and the utilization rate of a stamping die is increased.

The invention belongs to the technical field of agricultural equipment and particularly discloses an agricultural water-saving trickle irrigation device. The device sequentially includes a connector,a middle hollow billet and an anchor head; a water inlet pipe is arranged on the top of the connector, a first water via plate is arranged in the water inlet pipe, and a first water via hole is formedin the first water via plate; the middle hollow billet is in sealed connection with the connector, the inner diameter of the middle hollow billet is gradually decreased from bottom to top, a connecting rod is arranged in the middle hollow billet, and the outer diameter of the connecting rod is gradually reduced from bottom to top; the middle hollow billet is in threaded connection with the anchorhead, a compression spring is arranged at the bottom of the connecting rod, and the connecting rod is fixedly connected to the anchor head through the compression spring. After the trickle irrigationdevice is inserted into soil, a blockage problem does not easily occur, and the device is unlikely to topple over and applicable to underground trickle irrigation of arid areas in an extreme shortageof water.

The invention discloses an efficient anaerobic bioreactor for industrial wastewater treatment, which belongs to the field of anaerobic bioreactors. A self-descending cleaning ball and a floating cleaning ball are respectively arranged, on one hand, when biogas ascends along a lifting pipe, airflow can drive the self-descending cleaning ball to move upwards, and under the gravity action of the self-descending cleaning ball, theself-descending cleaning ball can move up and down irregularly to realize the dredging of the lifting pipe and the self-cleaning of the self-descending cleaning ball; on the other hand, when the mud-water mixture flows back downwards along the backflow pipe, in combination with the buoyancy of the mud-water to the floating cleaning ball and the thrust of the mud-water mixture to the floating cleaning ball when the mud-water mixture falls down, the floating cleaning balls are dispersed and distributed in the backflow pipe along with mud water, the soft ball shells contract inwards to extrude a mud water mixture and promote the mud water mixture to flow downwards through the gravitational action between the floating cleaning balls and the magnetic sheets, meanwhile, the floating cleaning balls are pushed to dredge the inner wall of the backflow pipe, and the dredging process of the backflow pipe is achieved.

The invention discloses a filtering recovery device for magnetic material processing waste liquor and a filtering recovery method therefor. The device comprises a filtering barrel, a liquor feeding funnel, a liquor feeding valve, a partition plate, filtering assemblies, an electromagnet, conveying assemblies, a separating mechanism, a deposition tank, detecting assemblies and a controller. Each filtering assembly comprises a filter screen and a telescopic member, and each conveying assembly comprises a slide plate I, a baffle and a driving member. The detecting assemblies are used for detecting accumulation volume of wastes on each filter screen and adsorption capacity of magnetic wastes in each filtering space. The controller is used for driving corresponding telescopic members to retreatwhen the accumulation volume exceeds preset accumulation volume so as to increase degree of inclination of the filter screens; and when the adsorption capacity exceeds preset accumulation volume, a liquid outlet is closed firstly, then, a discharging opening is closed, a knockout through hole is opened, and finally, the electromagnet is shut off. According to the device and the method, the recycling rate of the magnetic material processing waste liquor can be increased, the cleaning of the waste liquor is facilitated, and environmental pollution caused by direct discharge of the waste liquoris avoided.

The invention discloses a wear-resistant efficient horizontal centrifugal sand pump. The wear-resistant efficient horizontal centrifugal sand pump comprises a pump housing, a motor shaft, an outer magnetic rotor, an isolation sleeve, an inner magnetic rotor, a linkage shaft, an impeller, an end cover and a wear-resistant layer, wherein the motor shaft is arranged inside the pump housing; one end of the motor shaft is connected with the outer magnetic rotor; the isolation sleeve is arranged inside the outer magnetic rotor; the inner magnetic rotor is arranged inside the isolation sleeve; one end of theinner magnetic rotor is connected with the linkage shaft; the impeller is arranged at one end of the linkage shaft; the end cover is arranged on the outer side of the impeller; the wear-resistant layer is arranged on the surface of a cavity between the end cover and the isolation sleeve; and the wear-resistant efficient horizontal centrifugal sand pump further comprises a dredging mechanism and a sealing mechanism. The invention further discloses a working method of the wear-resistant efficient horizontal centrifugal sand pump. On one hand, the space in the pump can be dredged, the problem of blockage in the pump is effectively solved, the circulation speed of equipment is high, and the effect is good; and on the other hand, multiple sealing and leakage detection are adopted, so that the problems that the equipment is poor in sealing and easy to leak are solved.

The invention discloses a pipe clamp supporting structure. The pipe clamp supporting structure comprises a supporting table, wherein the supporting table is provided with first hydraulic rods and a second hydraulic rod, and the first hydraulic rods are fixedly connected with a servo motor, a driving shaft, a driving gear and a gear ring; an input pipeline is connected with an oval material pipe Ithrough an input pipe clamp, the input pipe clamp comprises angle iron and an annular strip block, and the annular strip block is provided with an annular clamping groove and a flange hole; an outputpipeline is connected with an oval material pipe II through an output pipe clamp, and an oval material pipe III is arranged between the oval material pipe I and the oval material pipe II; and the outer wall of the oval material pipe III located in the middle is sleeved with a round supporting ring, the round supporting ring is fixedly connected with a spring rod, the spring rod is riveted to a horizontal fixing rod and an inclined swing rod, and a third hydraulic rod is riveted between the horizontal fixing rod and the inclined swing rod. The invention further provides a construction method for long-distance pumping of machine-made sand concrete. According to the pipe clamp supporting structure, two aspects of adjustment of a machine-made sand concrete formula and a pumping structure are synthesized, the problem of long-distance pumping of the concrete is thoroughly solved, and the pipe clamp supporting structure is suitable for pumping of 300 m or above.

The invention relates to the field of municipal engineering, and particularly discloses a municipal pipeline dredging device. The municipal pipeline dredging device comprises a first rack, wherein a crushing assembly is arranged on the end face of the first rack, the crushing assembly comprises a crushing head, the crushing head is rotationally connected with the first rack, a driving assembly is arranged on one side of the first rack, the driving assembly is used for driving the first rack to move in the length direction of a municipal pipeline, the driving assembly comprises a driving roller, the driving roller is used for abutting against the pipe wall, the driving roller is connected with the first rack through a supporting plate, and the supporting plate is in sliding connection with the first rack. The municipal pipeline dredging device has the effect of improving the municipal pipeline dredging efficiency.

The invention discloses a discharging device for mechanical equipment, and relates to the technical field of mechanical equipment. The discharging device includes a collecting tank, a mounting columnis connected with the collecting tank in a rotating mode, a first motor is fixedly connected with the bottom of the collecting tank on one axial side of the mounting column, bearing rods are fixedly connected with one side of the top end of the mounting column at equal intervals, scrapers are fixedly connected with two sides of the bottom of the bearing rods, and two rotating rollers are connectedwith the bottom of the bearing rods between the scrapers in a rotating mode. Feeding holes are opened at the bottom of the collecting tank and corresponds to the lower parts of the scrapers on two sides of the bottom of the bearing rods respectively, a sending shell is fixedly connected with the bottom of the collecting tank below the feeding holes, a mounting plate is fixedly connected with thebottom of the sending shell, a mounting box is fixedly connected with the bottom of the mounting plate, a sending drum is fixedly connected with the bottom of the mounting tank, a transmission columnis connected with the sending drum in a rotating mode, a second motor is fixedly connected with an outside wall of the sending drum on one axial side of the transmission column, and a spiral sending blade is fixedly connected with the transmission column. The device is reasonable in structural principle design, convenient for operation and use, and high in practicability.

The invention discloses a dredging robot suitable for all kinds of pipes. The dredging robot comprises a machine body and idler wheels arranged at the two ends of the machine body. A transmission mechanism is arranged in the machine body, and the transmission mechanism is composed of a motor, a driving gear, a transmission gear, a first cylindrical gear, a shaft rod, a second cylindrical gear anda wheel shaft. The motor is installed in the machine body through a machine base, the driving gear is installed on an output shaft of the motor, the transmission gear and the first cylindrical gear are installed on the shaft rod, the shaft rod is installed at one end of the driving gear through a rod seat, the second cylindrical gear is installed on the wheel shaft, the wheel shaft is arranged atone end of the first cylindrical gear, and the two ends of the wheel shaft penetrate through shaft holes formed in the side wall of the machine body, extend to the outside of the machine body and areconnected with the idler wheels. According to the dredging robot suitable for all kinds of pipes, not only sufficient power can be provided for a machine, but also the transmission mechanism is integrated in the machine, so that the overall structure of the machine is compact and small and exquisite, and therefore, different types of pipes are suitable.