163results about How to "Realize winding" patented technology

According to the tension training assembly suitable for the strength training instrument and the strength training instrument, the flexible guide rail is adopted as the flexible movement guide rail of the movable pulley block, and the two ends of the movable pulley block are connected with the suspension wire and the resistance source pull rope correspondingly; a trainee pulls the movable pulley block to slide along a sliding stroke area limited by the flexible guide rail through the suspension wire so as to overcome the resistance of the resistance source pull rope and play a role in strength training. The mode that the movable pulley block is matched with the flexible guide rail perfectly solves the inherent difficulties that a traditional movable pulley metal guide rail is high in price, and left and right guide rails are blocked and unsmooth in the reciprocating motion process, and due to the adoption of the technology that the flexible guide rail is matched with the movable pulley block, the double-end rope outlet function of low-cost single-motor resistance source equipment can be achieved. And compared with the scheme in the market, the equipment cost is greatly reduced, and the use comfort performance is improved. The tension training assembly can be assembled on various rope output strength training instruments, and low-cost electronic strength training equipment is provided.

The utility model discloses shaping and extruding equipment of a carrier tape for a metal wire, which belongs to plastic material forming and comprises a carrier tape with a semicircular cross section, an embedding groove arranged at the top of the carrier tape, a cooling water tank, an extruding seat and a winding mechanism, a guide roller is rotatably connected in the cooling water tank, a semicircular shaping groove is arranged in the extruding seat, and the winding mechanism is arranged in the shaping groove. The carrier tape forming device has the advantages that plastic in a molten state is extruded out through the extrusion base, so that forming of a carrier tape is achieved, the formed carrier tape is cooled in the cooling water tank and wound through the winding mechanism, the carrier tape is directly formed into a needed shape, and the carrier tape forming device is simple in structure, convenient to use, high in practicability and high in practicability. And the carrier tape is more convenient to manufacture.

The utility model belongs to the technical field of winding, and particularly relates to a cotton yarn winding forming device which comprises a fixing plate. Two supporting rods are fixedly connected to the top of the fixing plate. The two supporting rods are symmetrically arranged; the side wall of the supporting rod is fixedly connected with a first supporting plate; the two first supporting plates are oppositely arranged; first rotating bases are fixedly connected to the opposite surfaces of the two first supporting plates; by means of the structure, through synchronous rotation and limiting of the second rotating rod and the first rotating rod, winding of a cotton yarn body is achieved, the phenomenon that in the winding process of the cotton yarn body, the position of the cotton yarn body deviates is reduced, and the winding efficiency of the cotton yarn body is improved. And meanwhile, the cotton yarn body is wound in the middle of the second rotating rod, and the stored cotton yarn body can be collected at any time by disassembling the cover plate.

The utility model provides a charging pile inserting gun cable winding structure, and relates to the technical field of cable winding, the charging pile inserting gun cable winding structure comprises a charging pile stand column, a charging pile host and a waterproof platform, one end of the charging pile stand column is inserted and connected with a charging gun, one side of the charging pile stand column far away from the charging gun is fixedly connected with a winding assembly, the winding assembly comprises a winding roller, and the winding roller is fixedly connected with the charging pile host. One end of the winding roller is rotationally connected with a rotating frame, the end, away from the rotating frame, of the winding roller is fixedly connected with a fixing frame, the end, close to the fixing frame, of the rotating frame is fixedly connected with a rolling shaft, and when the cable is wound, the rolling shaft is driven to rotate by starting a motor, so that winding of the cable is achieved; the motor drives the rolling shaft and the limiting column on the rolling shaft to rotate, the limiting column extrudes the elastic piece while rotating, so that the elastic piece deforms and moves in the range of the groove, and according to the combined action of the elastic piece and the limiting column, the winding speed of the cable is reduced, and the winding length of the cable is fixed.

The utility model relates to the technical field of agricultural equipment, in particular to a greenhouse cotton quilt rolling machine which comprises a speed reducer, a first rolling pipe, a transmission rack, a second rolling pipe and a cotton quilt, the first rolling pipe and the second rolling pipe are driven to rotate by only using one speed reducer to be matched with the transmission rack, and the cotton quilt can be rolled. Therefore, the quilt rolling machine for the greenhouse cotton quilts is suitable for greenhouses with large greenhouse lengths. Besides, a transmission rack is arranged between the first reel pipe and the second reel pipe and comprises a rotating shaft, a first supporting arm and a second supporting arm, the first supporting arm comprises a first supporting sleeve arranged on the periphery of the rotating shaft in a sleeving mode, and the second supporting arm comprises second supporting sleeves arranged at the two ends of the rotating shaft and the two ends of the second reel pipe in a sleeving mode. Bearings are arranged between the first supporting sleeve and the rotating shaft and between the second supporting sleeve and the rotating shaft as well as between the second supporting sleeve and the second rolling pipe, so that rotation of the rotating shaft and the second rolling pipe is stable, friction is reduced, the second rolling pipe is prevented from being damaged due to torsion, and the service life of the greenhouse cotton quilt rolling machine is prolonged.

The utility model provides a spandex coated yarn processing device which comprises a base, a clamping plate, a supporting frame, an extrusion frame, a first lead screw, a guide frame and a first motor, the upper side face of the base is rotationally provided with the clamping plate through a supporting bearing, and the supporting frame is fixed to the upper side face of the base; an extrusion frame is fixed to the upper end of the supporting frame, and the extrusion frame and the clamping plate are correspondingly arranged up and down; a first lead screw is arranged on one side of the base, and one end of the first lead screw is fixed to the output end of the first motor; the first lead screw penetrates through a guide frame in a thread meshing mode, and the guide frame is connected with the base in a sliding mode. Due to the arrangement of the clamping plate, the extrusion frame and the guide frame, when the spandex wrapping yarn winding device is used, spandex wrapping yarn can be conveniently wound, in the winding process, the spandex wrapping yarn can be prevented from loosening, and meanwhile production efficiency and operation convenience are improved.

The invention provides a breathable and sweat-absorbent textile with a dry lining and a weaving process of the breathable and sweat-absorbent textile. The breathable and sweat-absorbent textile comprises a textile fabric winding assembly and a storage assembly, and the storage assembly is mounted at the lower end of the textile fabric winding assembly; wherein the textile fabric winding assembly comprises a supporting table and a winding roller, a sealing door plate is fixedly installed at the right end of the supporting table, a left fixing side plate is fixedly installed on the upper end face of the left end of the supporting table, a first motor is fixedly installed on the left end face of the left fixing side plate, and the right end of an output shaft of the first motor penetrates through the left fixing side plate; the middle position of the left end of the winding roller is fixedly connected with the right end of an output shaft of the first motor, and the right end of the winding roller is rotationally connected with the sealing door plate through a rotating shaft. According to the textile fabric winding device, the ventilation and sweat absorption effects of the textile fabric can be improved, the textile fabric can be conveniently and automatically wound, and the wound textile fabric can be conveniently subjected to dustproof storage.

The utility model discloses an annealing device for an aluminum alloy strip, which relates to the technical field of annealing and comprises a base, U-shaped supporting seats are fixedly arranged on two sides of the base, an annealing box is fixedly arranged at the top of the base, an annealing assembly is arranged at the top of the annealing box, and the annealing device is used for annealing the aluminum alloy strip and detecting the annealing temperature in real time. And a clamping assembly is arranged on the U-shaped supporting base and used for achieving automatic winding of the aluminum alloy strip and improving the annealing efficiency, and the annealing assembly comprises an air blower. According to the utility model, the air blower works to anneal the aluminum alloy strip, the temperature sensor detects the temperature, and when the annealing temperature is not met, the positive and negative motor rotates reversely to wind the aluminum alloy strip coil which does not meet the annealing temperature into the annealing cavity to be annealed again; therefore, the annealing quality and effect of the aluminum alloy strip are guaranteed, and the application range is widened.

The utility model relates to the technical field of film winding machines, and discloses a swing device for a film winding machine, which comprises a base, a tightness adjusting device is arranged on the left side of the top of the base, and a winding device is arranged on the top of the base and on the right side of the tightness adjusting device. The tightness adjusting device comprises two first mounting plates fixedly mounted on the left side of the top of the base, a controller is fixedly mounted on the front side of the first mounting plate on the front side of the top of the base, two fixing rollers are rotationally connected between the first mounting plates, and an adjusting roller is arranged between the first mounting plates and located above the position between the fixing rollers. According to the swing device for the thin film winding machine, the tightness adjusting device and the winding device are installed through the base, a thin film is wound through the winding device, the thin film is supported through cooperation between a fixing roller and an adjusting roller, the thin film is prevented from loosening in the transmission time, and the service life of the thin film is prolonged. And therefore, wrinkles are caused during subsequent winding.

The utility model relates to the technical field of curtain controllers, in particular to a novel curtain lifting controller and a window. The novel curtain lifting controller comprises a shell main body, a shell cover, a control circuit board, a motor, a gearbox and a mounting plate. A control circuit board, a motor and a gearbox are arranged in the shell. The mounting plate is detachably arranged in a mounting groove in the back of the shell cover. Power of the motor is transmitted to the driving component through the gearbox, and the driving component drives the pull rope to unfold or fold the curtain. Due to the fact that the driving part is exposed at the position of the avoiding step, the direction of the pull rope wound around the driving part is not limited, and the pull rope can face any direction and can adapt to more use environments. When the novel curtain lifting controller is assembled, firstly, the mounting plate is fixed at a mounting position, then the shell is locked on the mounting plate, then the pull rope is wound on the driving part, and finally, the driving part is locked at the output end of the gearbox, so that the whole process is efficient and convenient to assemble.

The utility model discloses a kind of winding devices for photovoltaic adhesive tape processing in the technical field of adhesive tape winding, including base, vertically fixed with mounting plate on the base upper end, further including winding mechanism and limiting mechanism, the winding mechanism is connected in mounting plate, the limiting mechanism is connected on base.This utility model has the advantages that: the utility model embodiment is equipped with winding mechanism, utilize fastening tube cover and interval ring to can be fixed with multiple winding tube cover on first connecting shaft, and then through motor drive first connecting shaft rotation can simultaneously realize the winding of multiple adhesive tape, be equipped with support mechanism, by spring effect make support frame tightly adhere to winding tube cover on adhesive tape, and then improve the winding quality of adhesive tape, be equipped with limiting mechanism, by the limiting of the both sides of adhesive tape by the limiting roller corresponding to winding tube cover one by one, avoid the deviation of adhesive tape winding.

This invention relates to the field of yarn tension testing technology, specifically to a textile yarn tension testing device. The device includes a main frame, a force gauge adapted and installed inside the top of the main frame, two fixed rollers rotatably connected inside the main frame, a motor adapted and installed on the outer side of the back of the main frame, a take-up reel located outside the motor's output end, and two adjusting rollers located inside the main frame. In this invention, the yarn is fixed to the take-up reel after a series of windings. Upon starting the motor, a rotating rod and a disc drive the take-up reel to rotate, thus winding the yarn. Simultaneously, the tension generated during winding is transmitted to the force gauge via a hook to measure the yarn tension. This design allows winding and tension measurement to be performed simultaneously, improving work efficiency.

This invention discloses a dust treatment device for 3D printers, comprising a treatment box mounted on top of the printer and connected to it via a suction pipe. A fan is installed on the top of the treatment box. Two rollers are installed inside the treatment box, with a fabric strip wound around them. The bottom surface of the fabric strip has a magnetic strip attached to the outlet of the suction pipe. Two drive units are installed on the side wall of the treatment box, each capable of independently rotating one of the rollers. This invention utilizes the magnetic strip to attract metal powder, combined with the design of the fan and suction pipe, to efficiently capture and treat metal dust generated by 3D printers, especially ultrafine particles, thus improving dust treatment efficiency. The collection unit, through a scraper and a sealed electric push rod, can easily scrape off the attracted metal powder and collect it into the collection box for subsequent recycling, reducing resource waste.

The invention provides an efficient silt discharging device without a silt discharging blind area for a water conservancy channel, and relates to the field of water conservancy projects. The efficient silt discharging device without the silt discharging blind area for the water conservancy channel comprises a mixed filtering structure, the lower end of the mixed filtering structure is fixedly connected with a silt storage structure, an auxiliary structure is arranged at the position, close to the center, of the center of the upper end face of the mixed filtering structure, and the lower end of the auxiliary structure is fixedly connected to the upper end face of the mixed filtering structure; a sand gathering structure is arranged at the center of one side wall of the sand storage structure, the side wall of the sand gathering structure is fixedly connected to one side wall of the sand storage structure, and one end of the sand gathering structure penetrates through one side wall of the sand storage structure and is communicated to the interior of the sand storage structure. By arranging the sand storage structure, when silt exists at the upper end of a cross-shaped rotating plate in a sand inlet, the cross-shaped rotating plate rotates in the sand inlet due to the influence of gravity, the silt on the side wall of the cross-shaped rotating plate is overturned and collected in a storage box, and the structure can be used for a long time without manual participation.

The utility model relates to the technical field of motors, in particular to a long-service-life gear motor, which comprises a bottom shell, a main body is mounted on the bottom shell, a motor coil is mounted in the main body, a bottom block is mounted at the bottom end of the motor coil, cooling fans are mounted on the bottom block and are symmetrically arranged, a motor chip is mounted at the bottom end of the motor coil, and the cooling fans are mounted on the motor chip. A winding assembly is installed at the bottom end of the motor chip, and a top cover is installed at the upper end of the body. The bottom block on the gear motor and the motor coil are convenient to disassemble and assemble, regular maintenance and dust cleaning are conducted on the motor coil and the cooling fan, the cooling effect on the motor coil is conveniently achieved through the cooling fan, heat can be discharged through the cooling channel, the service life of the whole motor is further prolonged, and the service life of the whole motor is prolonged. And a winder frame, a shaft disc and a spring are arranged at the bottom end of the motor chip, so that winding of the cable is realized, potential safety hazards caused by too long dragging of the cable are prevented, and the use safety of the motor is further ensured.

The utility model aims to solve the problem of winding and unwinding a roller shutter, and discloses a roller shutter device for winding and unwinding the roller shutter, which comprises a first frame and a second frame which are symmetrically arranged, a telescopic air bag is sleeved in the first frame, a first sliding plate is arranged on the side of the telescopic air bag, and a second sliding plate is arranged on the second frame. Push rods are installed on the faces, away from the telescopic air bags, of the first sliding plates, push plates are installed on the sides, away from the first sliding plates, of the push rods, supporting rods are evenly installed between the push plates, arch rods are installed between the supporting rods, movable shafts are installed between the arch rods and the supporting rods, the arch rods are sleeved with roller shutters, and the push rods are sleeved with first lantern rings. A first connecting rod is installed on the lower side of the first lantern ring, a second gear is installed at the lower end of the first connecting rod, a first gear is installed on the side face of the first lantern ring, a second connecting rod is installed on the lower side of the second gear, and a screw is installed at the lower end of the second connecting rod. According to the utility model, the cylinder formed by the arch bars is extruded, so that the diameter of the cylinder can be controlled, and more labor is saved when the roller shutter is rolled.

The utility model provides a carry-on bag for a hemodialysis patient, which comprises a bag body, a square hole is arranged on the upper surface of the bag body, a second zipper is sewn and fixed on the inner wall of the square hole, a bag cover is sewn and fixed on the rear side of the inner wall of the square hole, a first zipper is sewn and fixed on the outer side of the bag cover, and the first zipper is sewn and fixed on the outer side of the bag cover. The first zipper is connected with the second zipper through a zipper, net bags are sewn and fixed to the left side and the right side of the bag body, data of a patient can be conveniently displayed under the arrangement of the data containing box, rolling of the bag belt is achieved through the arrangement of the storage box, the sleeve and the torsional spring, and the bag belt can be conveniently folded under the arrangement of the rectangular-ambulatory-plane frame and the hook. According to the medical bag disclosed by the invention, the bag belt is convenient to fix, the bag body is carried through the bag belt, and through the arrangement of the elastic column and the air bag, the shock absorption of the liquid medicine bag and other medical supplies in the bag body is realized, the liquid medicine bag and other medical supplies are prevented from being damaged, and the heat insulation effect on the liquid medicine bag is achieved through the arrangement of the heat insulation layer.

The invention relates to the technical field of copper wire drawing, in particular to silver-plated copper wire auxiliary stretching equipment which comprises a machining table, a mounting bottom plate, first supports, a second support, a gear mounting disc, an extrusion wheel and the like, the mounting bottom plate is connected to one side of the machining table, the first supports are connected to the other side of the machining table, and the second support is connected to the mounting bottom plate; a pair of gear mounting discs are rotationally connected to the second support in a vertically symmetrical mode, the two gear mounting discs are in meshing transmission through gears, one gear mounting disc is connected with a self-locking adjusting locking mechanism, and a plurality of extrusion wheels with wire grooves are evenly and rotationally connected to the gear mounting disc in the circumferential direction. By adjusting the locking mechanism, the gear mounting disc can rotate, so that the extrusion wheels rotate along with the gear mounting disc, the upper extrusion wheel and the lower extrusion wheel which are provided with the same wire grooves are in contact to form a diameter through hole of the silver-plated copper wire, and the silver-plated copper wire is stretched and thinned into the required diameter under the pulling force of the take-up end.

The utility model belongs to the technical field of information identification, particularly relates to a limiting device for a shielding door of RFID (Radio Frequency Identification) scanning equipment, and provides the following scheme aiming at the problems that the existing limiting device is complicated in structure and high in cost, and the burden of purchasing and using the equipment is increased for some small enterprises or users with strict cost control. A rolling frame is rotatably connected in the support, electromagnetic shielding cloth is fixedly wound on the rolling frame, and a horizontal rotating shaft is fixedly installed in the rolling frame. When an RFID scanning device sends out a door opening / closing instruction, the driving motor rotates through the horizontal rotating shaft and the unwinding shaft to drive the electromagnetic shielding cloth of the shielding door to ascend and descend; when the electromagnetic shielding cloth of the shielding door arrives at a designated position and the positioning triggering device on the indexing adjusting gear triggers the microswitch, the driving motor can be controlled to stop, so that the electromagnetic shielding cloth can be stably limited, and good practicability is achieved.

The utility model belongs to the technical field of non-woven fabric winding and discloses a spunbond non-woven fabric winding mechanism which comprises a bottom plate and a vertical rod fixedly arranged at the upper end of the bottom plate, a connecting shaft is rotatably arranged at the upper end of the vertical rod, and one end of the connecting shaft is provided with a mounting disc through a second electromagnetic clutch. A first winding assembly, a second winding assembly, a third winding assembly and a fourth winding assembly are arranged on the surface of the side, away from the bottom plate, of the mounting disc in a surrounding mode at equal intervals. The first winding assembly comprises a main shaft installed at the upper end of the installation disc through a main bearing, a winding roller used for winding and winding is movably inserted into the end, away from one side of the bottom plate, of the main shaft, and a laser cutter used for cutting the non-woven fabric is arranged at the position, located at the lower end of the fourth winding assembly, of the upper end of the bottom plate. The non-woven fabric winding device has the advantages that non-woven fabrics can be wound and wound without shutdown, the wound winding roller can be rotated to a to-be-collected position, and a new winding roller is used for winding, so that the working efficiency of the winding device is improved.

The utility model relates to a disc type enameled copper flat wire winding device. The disc type enameled copper flat wire winding device comprises an L-shaped winding table. The winding table comprises a side wall and a base; a first guide wheel and a cylinder are arranged on the side wall; a straight rod is arranged on the cylinder; a guide wheel mounting frame is arranged on the straight rod; a second guide wheel is arranged on the guide wheel mounting frame; a winding reel bracket is arranged on the base; a rotating roller is arranged on the winding reel bracket; two winding collet clamps are symmetrically arranged on the rotating roller; a winding reel is clamped on the winding reel clamp; the rotating roller is connected with a first servo motor; the winding reel is connected with a second servo motor; an inductor is further arranged on the winding reel; a control system is arranged on the base; and the control system is respectively connected with the first servo motor, the second servo motor and the sensor. Compared with the prior art, the winding device has the advantages that winding is convenient and fast, wire clamping is avoided, and the winding reel does not need to be replaced after shutdown.

This utility model discloses a coal transport cart for preventing spontaneous combustion of coal, including a base, a cart body fixedly connected to the top of the base, and a cart cover connected to the top of the cart body. Water pipes are installed at equal intervals at one end of the cart body, and multiple water pipes are connected by a connecting pipe. The end of the connecting pipe is provided with a water inlet for connecting to an external water supply pipe. Water spray nozzles are provided at equal intervals outside the water inlet, and the ends of the water spray nozzles extend into the interior of the cart body. A sunshade film that can be unfolded and rolled up is provided on the top of the cart body. An installation box is fixedly connected to one end of the cart body at the connecting pipe, and a winding shaft is rotatably connected to the installation box through a bearing. A strip groove is opened on one side of the installation box. The beneficial effects of this utility model are: the sunshade film can effectively block direct sunlight, reducing the input of external heat from the source; and when the internal temperature of the coal pile rises, the water spray system can directly spray water onto it to achieve rapid and uniform cooling.

The utility model relates to the technical field of measuring devices, in particular to a measuring device for natural resource planning and design, which comprises a transverse plate, a measuring mechanism is arranged on the plate wall of the transverse plate, the measuring mechanism is formed by combining a measuring plate, a locking bolt, a positioning hole, scale marks, an angle ruler and a clamping groove, the clamping groove is arranged on the plate wall of the transverse plate, and the positioning hole is arranged in the clamping groove. The inner wall of the clamping groove is rotatably connected with a measuring plate through an anchor bolt, the plate wall of the measuring plate is provided with scale marks, a positioning hole for placing a writing pen is formed in the plate wall of the measuring plate, the plate wall of the measuring plate is in threaded connection with a locking bolt, the plate wall of the transverse plate is fixedly provided with an angle ruler, and the angle ruler is fixedly installed on the plate wall of the transverse plate when a person rotates the locking bolt. And a conical block is fixedly mounted at the other end of the transverse plate, the measuring plate is placed on the ground through the conical block, and the staff rotates the measuring plate, so that the writing pen performs circle drawing measurement.

The utility model discloses a kind of reel devices, including bottom plate, vertical plate is fixed on the bottom plate upper surface one side, and vertical plate top end is equipped with speed reducer, the output end of speed reducer is fixed with horizontal shaft, the other end of horizontal shaft is fixedly connected with gas expansion shaft, reel is slidably sleeved on the surface of gas expansion shaft, the lateral wall of reel is equipped with recess for clamping fabric, the recess is clamped with clamping plate, clamping plate both ends are provided with clamping assembly;In the utility model, setting speed reducer, horizontal shaft, gas expansion shaft, reel, clamping plate and clamping assembly, when replacing reel, first, fabric is clamped in the recess on the surface of reel, then clamping plate is fixed in recess by clamping assembly, so as to utilize clamping plate and fix fabric in recess, speed reducer drives horizontal shaft, gas expansion shaft and reel rotation realizes the winding of fabric, and the disassembly of clamping plate is also simple and convenient, and the mode of this fixed fabric is more fast and convenient compared with repeatedly twisting bolt.

The utility model discloses a portable Internet of Things gateway, which comprises a host, a plurality of networking interfaces arranged inside the front end of the host, an on-off key arranged on the right side of the plurality of networking interfaces, a power interface arranged on the right side of the on-off key, and a signal enhancement rod arranged at the left front corner of the upper end of the host. According to the utility model, a detachable signal enhancement rod structure is adopted, the signal enhancement rod can be combined into a whole or split into two independent units to be arranged according to the environment, and the signal enhancement rod can be flexibly split and combined according to the requirements; the gateway arrangement flexibility is improved, and the communication quality is ensured. The reinforcing rod can rotate to adjust the direction and can be completely accommodated in the host groove body, so that the device can be rapidly deployed to the optimal signal position, the portable transportation requirement can be met, and the environmental adaptability and the network distribution efficiency of the device are improved.

The utility model relates to paper production and processing technical field discloses a kind of paper winding device of preventing breaking, including base, the vertical plate is fixed on base upper surface side edge, the winding motor is fixed on the vertical plate top surface, the drive shaft is fixed in winding motor output end, the air expansion axle is fixed in the other end of drive shaft, and winding drum is sleeved in air expansion axle surface, the support assembly is provided in base upper surface opposite winding motor side, the surface middle part of vertical plate is provided with tension adjusting assembly.In the utility model, by setting base, vertical plate, winding motor, drive shaft, air expansion axle, winding drum, support assembly and tension adjusting assembly, paper is wound around the adjusting shaft of tension adjusting assembly, winding motor drives drive shaft and winding drum to rotate, so as to realize the winding of paper, in this process, the tension of paper is detected by pressure sensor, then adjusting shaft is moved by linear motor, and the active adjustment of tension is realized.

The present invention provides a high-efficiency sediment discharge device without a blind area for sediment discharge for a water conservancy channel, and relates to the field of water conservancy engineering. The high-efficiency sediment discharge device without a blind area for sediment discharge for a water conservancy channel comprises a mixed filtering structure, the lower end of the mixed filtering structure is fixedly connected to a sand storage structure, the center of the upper end surface of the mixed filtering structure is provided with an auxiliary structure, the lower end of the auxiliary structure is fixedly connected to the upper end surface of the mixed filtering structure, a sand gathering structure is provided at the center of one side wall of the sand storage structure, the side wall of the sand gathering structure is fixedly connected to one side wall of the sand storage structure, and one end of the sand gathering structure penetrates through one side wall of the sand storage structure and passes to the inside. By providing the sand storage structure, when there is sediment at the upper end of the cross turn plate inside the sand inlet, the cross turn plate rotates inside the sand inlet due to the influence of gravity, and the sediment on the side wall of the cross turn plate is turned over and collected inside the storage box. This structure can be used for a long time without manual participation.

The invention belongs to the technical field of power generation, and particularly relates to a photovoltaic power generation control cabinet with a leakage protection function and a working method of the photovoltaic power generation control cabinet. The take-up device is arranged in the cabinet body, and the take-up device is suitable for winding a grounding wire in the cabinet body; the circuit breaker device is arranged in the cabinet body, the circuit breaker device is respectively connected with the socket box and the control device, and the circuit breaker device is suitable for being disconnected with the socket box and / or the control device; the rolling of the grounding wire is realized, the heaving of the grounding wire in the closing process of the cabinet door is avoided, the grounding wire is prevented from being extruded and damaged by the cabinet door, and meanwhile, leakage protection is performed.

The utility model relates to the technical field of printing equipment, in particular to metal reel plate printing equipment convenient to replace. In order to solve the problems that a plurality of roller sets of common metal reel plate printing equipment need to be disassembled together with a transmission structure during disassembly, the disassembly and subsequent assembly difficulty is increased, the operation efficiency is reduced, and the subsequent printing operation is influenced, the following technical scheme is provided: the device comprises a rack, a motor, a motor base, an ink fountain, a hot air blower, a material storage roller, a preheating roller, an auxiliary roller, a printing roller and a material rolling roller are arranged in the machine frame, and positioning pieces are symmetrically installed on the wall bodies of the two sides of the material storage roller, the preheating roller, the auxiliary roller, the printing roller and the material rolling roller. According to the utility model, the storage roller, the preheating roller, the auxiliary roller, the printing roller and the winding roller are influenced by a driving and transmission structure in the disassembly and assembly process, the disassembly and assembly difficulty is reduced, and the operation is simple and easy.

The utility model provides an environment-friendly environmental monitoring device, including base and fixed installation support at base top, the support top is fixed installation box body, the interior of box body is provided with driving subassembly, monitoring subassembly and multiple sets of sampling subassembly, sampling subassembly includes fixed mount no. The first fixing frame is fixedly connected to the upper surface of the bottom of the box, the hollow winding drum is rotationally connected to the inner wall of the first fixing frame, a hose is wound around the outer wall of the hollow winding drum, one end of the hose is fixedly connected to the inner wall of the hollow winding drum, and the other end of the hose is fixedly connected and communicated with a hollow balance weight ball. According to the multi-layer sampling device, the multiple sampling assemblies are arranged, the driving assembly is used for driving the hollow winding drum to rotate, winding and unwinding of the hose are achieved, and when the hose is unwound, the multiple hollow balance weight balls are driven to reach different depths, so that multi-layer sampling can be conducted at the same time, efficiency is improved, sampling uniformity is guaranteed, and the sampling efficiency is improved. And the characteristics of the whole water area can be reflected more accurately.