81results about How to "Realize moving back and forth" patented technology

The invention discloses a mechanical arm which comprises a supporting portion, a connecting portion and a grabbing hand portion. One end of the connecting portion is arranged on the supporting portion, connecting arms can slide along the supporting portion, the grabbing hand portion is connected to the other end of the connecting portion, and the grabbing hand portion can be driven by the connecting portion to move and clamp articles. The mechanical arm can drive the connecting arms to swing to the appointed position and move the articles through a power device, so that the automation degree is improved. The mechanical arm has the advantages of being simple in structure, low in cost and convenient to maintain.

The invention relates to a cutting device, in particular to a forestry log auxiliary cutting device. The forestry log auxiliary cutting device achieves the technical purposes of automatic dischargingand convenient cutting. According to the technical scheme, the forestry log auxiliary cutting device comprises a base the top side edge of which is provided with a collecting box; a workbench which isarranged in the middle of the top of the base; a cutting device which is arranged at the position, close to the workbench, of the top of the base, and is located over the collecting box; and a movingdevice which is used for driving the cutting device to reciprocate and is arranged on the workbench. The cutting device achieves the effects of automatic discharging and convenient cutting.

The invention relates to a novel stone cutting winding device and a stone cutting sawing machine. A stone transferring trolley and two parallel cutting transferring supports are included, and cuttingtransferring guide rails are arranged at the top ends of the cutting transferring supports. The stone transferring trolley is evenly provided with a plurality of sets of vertically-arranged oil cylinders, and the tops of each set of oil cylinders are connected through a horizontal supporting rod. The cutting transferring guide rails are provided with a cutting base, installing bases are fixedly arranged at the two ends of the cutting base, and a wire passing guide wheel and a first cutting guide wheel which are horizontally arranged are arranged between the upper portions of the two installingbases, and a horizontally-arranged second cutting guide wheel is arranged between the lower portions of the two installing bases. Through a wire passing guide rail, the angle of a diamond cutting wire passing through the wire passing guide wheel changes, and accordingly, a front diamond wire cutting wire and a rear diamond wire cutting wire are located on the same plane. Each set of oil cylinderscan sequentially ascend and descend according to needs to support smooth passing of a cutting wire net, and accordingly, the wire net smoothly passes through a loading trolley under the situation that the loading trolley is not damaged.

The invention discloses a viscous chemical material high efficiency stirring mixing device. The viscous chemical material high efficiency stirring mixing device comprises a stirring barrel, a stirringpaddle, a first driving assembly, lateral support plates, a movable plate, a second driving assembly, and a linkage assembly; the first driving assembly is used for driving the stirring paddle to rotate; the lateral support plates are arranged on the upper part of the stirring barrel; the movable plate is arranged among the lateral support plates; the movable plate and the stirring paddle are fixedly arranged with relative to the first driving assembly; the second driving assembly comprises a second motor and a transmission shaft; the second motor is used for driving the transmission shaft to rotate; the transmission shaft is arranged above the lateral support plates; the linkage assembly comprises a third gear, a fourth gear, a rotating disc, and a linkage rod; the third gear is capableof rotating with the transmission shaft; the fourth gear is designed to engage with the third gear; the rotating disc and the fourth gear are arranged to be coaxial, and are fixed on each other; oneend of the linkage rod is rotatingly connected with the rotating disc, and the other end is slidingly connected with the movable plate. In applications, when the second motor is turned on, the stirring paddle is capable of performing reciprocating motion on the height direction, so that materials at the upper part and the bottom part of the stirring barrel can be stirred, and full mixing is realized.

The invention relates to the technical field of medical apparatuses and instruments and discloses a cleaning device for nursing in the pediatric department. The cleaning device comprises two movable supports. According to the cleaning device for nursing in the pediatric department, through arrangement of an electric push rod and a bathing operation table arranged on the top of the electric push rod, convenience is provided for the electric push rod during work to push the bathing operation table to move, and the situation that the bathing operation table is adjusted to a suitable height according to the level of warm water in a bath tub and the body height of an infant is achieved. Sliding slots are formed in a left adjusting ring, and sliding connecting rods move back and forth in the sliding slots and are inserted into fastening grooves formed in a right adjusting ring, so that convenience is provided for threaded adjusting rods in threaded connection with the right adjusting ring tobe in threaded connection with the interiors of threaded holes formed in the sliding connection rods, adjustment of the length of the sliding connection rods according to physical development conditions of the infant is facilitated, adjustment of the cleaning device for nursing in the pediatric department according to the physical development conditions of the infant is facilitated, and meanwhilethe safety performance of the cleaning device is also improved.

The invention relates to an environment-friendly coating mixing device. The device comprises a base, a mixing cylinder and a lifting frame; the mixing cylinder is placed at the top of the base, and amounting groove is formed in the side wall of the L-shaped lifting frame; the hydraulic rod contracts to drive the lifting frame to move downwards, at the moment, the stirring shaft acts on the connecting base to drive the first movable rod to move downwards, the first movable rod drives the first piston to compress the first spring when the first cylinder moves downwards, meanwhile, air is pressed into the second cylinder through the connecting pipe, and the second piston in the second cylinder is driven to compress the second spring; at the moment, the second movable rod retracts into the second barrel, the sliding block gets close to the first barrel, the position of the stirring scraping blade is adjusted, in the mixing process, the stirring scraping blade moves back and forth throughwork stretching and retracting of the hydraulic rod, paint in the mixing barrel is mixed in all directions, and the paint is stirred and mixed from multiple angles and multiple directions; therefore,the sufficient and uniform stirring is guaranteed, and high coating quality is guaranteed.

The invention relates to an injector clamping device, which comprises a sliding block mechanism, a meshing mechanism and a clamping mechanism, wherein the sliding block mechanism is arranged on an injection pump screw in a sliding penetration way; the meshing mechanism is separably meshed with the screw in a movement way; the clamping mechanism rotates to clamp or loosen an injector under the driving of movement of the meshing mechanism; the sliding block mechanism comprises a hollow sliding block main body with a through hole allowing the screw to penetrate; the meshing mechanism is arranged in the sliding block main body in a way of moving backwards and forwards in directions close to and away from the through hole; the clamping mechanism is inserted into the sliding block main body in a rotating way, and is clamped with the meshing mechanism. The injector clamping device is simple in structure, low in cost, convenient to use and suitable for the clamping of injectors in various specifications on an injection pump.

The invention discloses a waste chip cleaning type processing working table which comprises a square table body, wherein left and right side surfaces of the table body are provided with drawers; front and rear side edges of the upper surface of the table body are respectively provided with a first baffle plate and a second baffle plate perpendicular to the upper surface of the table body; inside surfaces of the first baffle plate and the second baffle plate are fixed with bulged connecting rods; a scraper plate is arranged between the two connecting rods; through holes capable of allowing the connecting rods to pass through are formed in both sides of the scraper plate; the bottom side of the scraper plate is adjacent to the upper surface of the table body; and a pushing rod extending to the outside of the table body is fixedly connected on the scraper plate. The invention aims to provide the waste chip cleaning type processing working table which solves the problem that in a part processing process in the prior art, the generated waste chips are inconvenient for being cleaned and recycled, so that the purpose of conveniently and quickly cleaning, and recycling the waste chips on the mechanical processing working table is realized.

The invention discloses a solar photovoltaic panel mounting bracket. Universal wheels and a braking mechanism are arranged, the solar photovoltaic panel mounting bracket can achieve movement and braking of the bracket; a servo cylinder and a connection frame are arranged to achieve regulation of the inclination angle for the photovoltaic panel mounting bracket; a first transparent protection plateand a second transparent protection plate are arranged to perform double protection for the solar photovoltaic panel to avoid the damaging to the solar photovoltaic panel; a first mounting groove, asecond mounting groove, a chute, a first sliding bar, a second sliding bar and a third sliding bar are arranged to achieve the rapid mounting and replacement of the solar photovoltaic panel, the firsttransparent protection plate and the second transparent protection plate; and fixed mounts, a second mounting cavity, a ball screw, a feed screw nut, a connection block, a slide rail, sliding blocks,a positive-negative rotating motor, a connection rod and a brush are arranged to achieve the movement of the connection rod front and back at the top portion of the solar photovoltaic panel mountingbracket, and the brush is used to clean the surface of the second transparent protection plate to keep the cleanness of the upper portion of the solar photovoltaic panel.

The invention discloses a radio-frequency recognition dynamic scanning device, which comprises two vertical columns in vertical parallel arrangement. A supporting frame is transversely fixed to upperends of the two vertical columns, a first driving motor is arranged on the side wall of the lower end of one of the vertical columns, the side wall of the other vertical column is in rotational connection with a rotating shaft matched with an output shaft of the first driving motor through a rotating part, and a conveying belt sleeves the side wall of the rotating shaft. The vertical columns are in hollow structures, vertical plates are vertically arranged in the vertical columns, second driving motors are fixed to the vertical plates and rotationally connected with gears matched with the second driving motors, the gears are positioned in rectangular frames arranged in the vertical columns, the side wall of each rectangular frame is provided with two racks matched with the corresponding gear, and the two racks are positioned on two sides of the corresponding gear. The radio-frequency recognition dynamic scanning device has the advantage that goods at different heights can be scanned toprevent scanning omission.

The invention discloses an energy-saving underground pollution discharge pipeline. The energy-saving underground pollution discharge pipeline comprises a pipeline body located below the ground surface, the inner wall of the pipeline body is provided with a rotating shaft, the outer wall of the rotating shaft is evenly distributed with a plurality of fan blades, the pipeline body is further internally provided with a cam through a rotating rod, the position between the rotating shaft and the rotating rod is jointly provided with a belt in a sleeved manner, the pipeline body is internally and fixedly provided with a slantly-arranged storage pipe, the storage pipe is internally provided with a connection rod in an inserted manner, the end, close to the cam, of the connection rod is fixedly provided with an arc-shaped plate in contact with the outer wall of the cam, the outer wall of the connection rod is provided with a reset spring with the two ends being fixedly connected with the outerwall of the connection rod and the inner wall of the end portion of the storage pipe in a sleeved manner, and the other end of the connection rod is fixedly provided with an oil absorption plate. According to the energy-saving underground pollution discharge pipeline, the cam is driven to rotate through methods of water flow impacting and a vehicle squeezing a speed reduction belt to move downwards, moving back and forth of the oil absorption plate is realized, oil dirt on the surface of waste water is adsorbed and squeezed out to fall into a collection box to be collected, aid of external equipment is not needed, and the energy-saving underground pollution discharge pipeline is capable of saving energy and is environmentally friendly.

The invention belongs to the technical field of aluminum sectional materials, and particularly relates to an industrial aluminum sectional material. The industrial aluminum sectional material comprises aluminum sectional material bodies. The aluminum sectional material bodies are U-shaped sliding groove aluminum sectional materials which are used as sliding rails. Clamping connection columns are fixedly arranged on the front end faces of the aluminum sectional material bodies. Clamping connection plates which are parallel to the aluminum sectional material bodies are arranged on the outer edges of the clamping connection columns. Clamping connection grooves which are matched with the clamping connection columns are formed in the rear end faces of the aluminum sectional material bodies. When the aluminum sectional material bodies are actually spliced, the clamping connection columns on one aluminum sectional material body can be directly inserted into the clamping connection grooves formed in the other aluminum sectional material body, then barrier strips are rotated so that the barrier strips can be separated from the upper surfaces of the aluminum sectional material bodies, springs which are fixedly connected with rectangular sliding blocks can push the rectangular sliding blocks to downwards move under the action of the elastic force of the springs, movable insertion rods which are fixedly connected with the rectangular sliding blocks are downwards pushed, the movable insertion rods can be inserted into insertion holes, and therefore the clamping connection between the two aluminum sectional material bodies is achieved. In addition, the clamping connection is quick, and compared with a conventional screw connection mode, the clamping connection mode has the advantagesof more saving the labor and being more efficient.

The invention belongs to the field of transformers, and particularly relates to an oil-immersed three-phase transformer. In the prior art, cooling fins are used for heat dissipation, but the cooling fins are generally arranged inside; or heat is dissipated through vent holes, but the heat dissipation efficiency is not high, and the open vent holes enable dust to easily enter a transformer to damage the transformer. In order to solve the problems, a scheme as follows is put forward: the oil-immersed three-phase transformer comprises a transformer shell of a hollow structure, an oil tank is fixedly installed at the top of the transformer shell, and an oil inlet pipe and an oil outlet pipe are fixedly installed in the transformer shell. The transformer is simple in structure and convenient tooperate. Heat generated in the working process of the transformer body can be dissipated, heat can be dissipated even when the external temperature is high, and normal work of the transformer body isguaranteed. Meanwhile, after heat dissipation is completed, heat dissipation openings can be sealed, so that dust is prevented from entering the transformer, and the requirements of people are met.

The invention provides an efficient board cutting machine. According to the efficient board cutting machine, corrugated boards can be automatically turned and cut, the automation efficiency is high, the production efficiency is effectively improved, and the labor intensity of workers is reduced. The efficient plate cutting machine comprises a rack and a controller; a supporting column is arrangedat the lower end of the rack; a cutter mechanism capable of cutting the corrugated boards is arranged at one end of the rack; a corrugated board positioning frame and a steering transfer mechanism capable of transferring the corrugated boards into the cutter mechanism and steering the corrugated boards are arranged on one side of the cutter mechanism.

The invention relates to a nozzle structure, and an air sterilizer and a humidifier including the nozzle structure. The nozzle structure comprises an air-out cylinder and a nozzle arranged on one end of the air-out cylinder. The nozzle is arranged on the peripheral side wall on one end of the air-out cylinder. The nozzle structure also comprises a nozzle feed mechanism which can drive the air-out cylinder move back and forth. The air-out cylinder is designed to be moveable, and a nozzle extends out of a housing when the nozzle structure is used, and sprays airflow to purify, sterilize, and humidify air. When the nozzle structure is not used, the nozzle is taken back to the housing, so as to protect the nozzle and the nozzle would not be polluted. Compared with a fixed nozzle in the prior art, the structure can be taken back in the housing when the nozzle is not used, other indoor pollutants are isolated out of the housing and would not enter the device from the nozzle, thereby preventing the internal structure of the device from being polluted. The nozzle structure can improve air purification, disinfection and humidification effects, and increases service life of the whole device.

The invention discloses a CNC engraving and milling machine with a built-in loading and unloading device. The CNC engraving and milling machine comprises a CNC engraving and milling machine body which is internally provided with a built-in loading and unloading mechanism, and a fixture mechanism is arranged below the built-in loading and unloading mechanism; the CNC engraving and milling machine body is further provided with a bin mechanism which comprises an external part extending out of the CNC engraving and milling machine body and an internal part located inside the CNC engraving and milling machine body, and the internal part is adjacent to the fixture mechanism; the built-in loading and unloading mechanism is connected with a machine head part, the loading and unloading mechanism comprises a sucker assembly which is connected with a guide rod cylinder, and the guide rod cylinder can move up and down along the guide rod cylinder; the fixture mechanism is arranged below the sucker assembly. The loading and unloading mechanism is arranged in the CNC engraving and milling machine, automatic loading and unloading are achieved through a cylinder structure, the working efficiency of a machine tool is improved, and the labor cost is reduced.

The invention relates to an electrically-controlled auxiliary type nail hammering striking device. A clamping position sleeve (4) structure is introduced on the basis of an extension rod body (1) by adopting the electrically-controlled propelling mechanical structure design, driving rotating is conducted on a driving disc (7) of which the edge protrudes out of the outer wall of the extension rod body (1) by combining with a rotating motor (12), the purpose that the clamping position sleeve (4) moves along the outer wall of the extension rod body (1) back and forth is achieved under rotating limiting of a limiting rod (6) on the clamping position sleeve (4), sleeving clamping is achieved for nails struck by a magnetic striking body part (3) arranged on the extension rod body (1), and the stability of the nail posture is guaranteed. According to the electrically-controlled auxiliary type nail hammering striking device, the distance between the bottom end of the clamping position sleeve (4) and the plane where the nails are arranged is detected in real time through a wireless distance measuring sensor (5), the rotating motor (12) is intelligently controlled on this basis, automatic moving of the clamping position sleeve (4) is achieved in real time in the nail hammering process, and the stability of the nail posture is effectively guaranteed.

The invention relates to the technical field of agricultural production, and discloses a solar-powered automatic agricultural greenhouse. The solar-powered automatic agricultural greenhouse comprisesa pre-buried base. The solar-powered automatic agricultural greenhouse provided by the invention has the following advantages: through arrangement of a ceiling supporting frame and rail pull rods arranged on the ceiling supporting frames, sliders can slide to move back and forth in chutes arranged at the top parts of the rail pull rods; first clamping blocks fixedly arranged at the top parts of the sliders can drive a top covering shed clamped on the first clamping blocks to move back and forth through back-and-forth movement of the sliders; thus, the top covering shed can be conveniently dismounted and mounted; through connecting slide rails fixedly arranged at the bottom part of a mounting stabilizing support, a horizontal connecting rod can move back and forth in the connecting slide rails through sliding blocks; pull ropes fixedly arranged at the bottom part of the horizontal connecting rod can conveniently clamp the top covering shed through second clamping blocks fixedly arrangedon the pull ropes; the horizontal connecting rod can drive the top covering shed to move back and forth; thus, the ceiling of the solar-powered automatic agricultural greenhouse can be conveniently exchanged.

The invention discloses a watering device for crop new variety seedling cultivation. The watering device comprises a supporting plate and a control valve, the control valve is installed at the top ofthe supporting plate, a motor is installed at one side of the top of the supporting plate, a gear is installed on an output shaft of the motor, idler wheels are installed at one side of the supportingplate, multiple large nozzles and multiple small nozzles are installed at the bottom of the supporting plate, the control valve comprises a valve body and a valve pipe, the valve body is of a cavitystructure, a fixed iron core is installed on the inner wall of the top of the valve body, a winding roll is installed inside the valve body and is twined by a metal wire, the bottom of the winding roll is fixed to the inner wall of the bottom of the valve body, a spring is installed at the bottom of the fixed iron core, a movable iron core is installed at the bottom of the spring, the axis of thewinding roll is hollow, the fixed iron core, the spring and the movable iron core are all located in the hollow part of the winding roll, and the valve pipe is installed at the bottom of the valve body. The watering device is reasonable in structure and easy to operate, and watering different crops of different growth periods is achieved.

The invention discloses an automatic heat dissipation protection device for a transformer, and the device comprises a shell; a first mounting cavity is formed in the shell, openings are formed in the left side and the right side of the shell, two mounting rods are vertically arranged in the first mounting cavity, and the two mounting rods are fixedly connected with the corresponding inner walls of the first mounting cavity through two connecting rods; electric cooling fans are mounted at the opposite ends of the two mounting rods, a first mounting box is mounted on the inner wall of the left side of the first mounting cavity, and a mounting groove is formed in the front side of the first mounting box. According to the device, after the temperature in the shell rises to a certain degree, active heat dissipation can be conducted, it is guaranteed that the transformer is not damaged due to overheating, meanwhile, when an electric cooling fan conducts heat dissipation, a filter screen plate can be driven to shake, it is avoided that dust and sundries block filter screen holes, and heat dissipation is affected, and by arranging structures such as buffer balls, the shaking degree of the shell in strong wind weather can be reduced, so that the transformer is protected.

The invention discloses a printing machine with integrated printing and adsorption function and belongs to the printing processing field. The printing machine comprises a printing head, a base, a support column with an electronic control system, wherein the support column is arranged above the base side, the base is arranged with a parallel distribution of the printing room and dry room, a driving mechanism is arranged above the supporting column with a sliding frame extending outward, the sliding frame is equipped with a fixed plate which can slide along, the fixed plate has a vertical lifting cylinder, the print head is fixedly arranged on the piston rod end of the lifting cylinder, the outer side of the print head has a fixed ring provided with a uniformly distributed sucker, the fixed plate is connected with a driving mechanism, the printing head is equipped with a ink conveying connected with a ink box. The printing machine can realize the printing, adsorption and transfer functions integrally, greatly improves the working efficiency and simplifies the structure, its simple structure and reasonable design is suitable for the small and medium-sized printing operations.

The invention discloses a drying device for processing trichosanthes kirilowii maxim seeds. The drying device comprises a drying box body. Supporting legs are fixed to the four corners of the bottom face of the drying box body. A shaking disc is arranged in the drying box body, and supporting strips are arranged on the two sides of the lower end of the shaking disc; rolling grooves are formed in the top surfaces of the supporting strips; balls are further installed on the bottom face of the shaking disc. The balls are connected into the rolling grooves in a rolling mode. A heating pipe is further arranged on the lower side of the shaking disc; one side of the bottom surface of the drying box body is in through connection with a discharging vessel; push rods are fixed to the two sides of the rear end face of the shaking disc. Limiting plates are fixed to the side walls of the rear ends of the push rods. Reset springs are fixed to the ends, close to the drying box body, of the limiting plates. Racks are fixed to the center positions of the rear end faces of the limiting plates. The invention is reasonable in design, stable in device operation, uniform in trichosanthes kirilowii maxim seeds heating and high in drying efficiency, light impurities can be adsorbed and removed while stir-frying is conducted, and therefore the stir-frying quality of trichosanthes kirilowii maxim seeds is greatly improved.

The invention discloses a water wheel decontamination device for hydropower generation, which comprises a rotating roller and a plurality of impellers fixedly arranged on the side wall of the rotating roller. The plurality of impellers are arranged symmetrically with respect to the center of the rotating roller. are fixedly equipped with magnets, and the sides of the magnets in the two adjacent impellers that are close to each other are magnetically oppositely arranged, and sliding grooves are fixedly arranged on the side walls of the plurality of impellers, and sliding grooves slide in the sliding grooves. A first conductor rod is provided, and both ends of the first conductor rod are connected with wires, and a second conductor rod is fixed laterally on the adjacent impeller, and the second conductor rod is connected between the corresponding impeller and the rotating roller. Fixed setting at the connection. The invention has ingenious design, scientific and reasonable structure, and realizes that under the impact of water flow, the conductor moves to cut the magnetic induction line, thereby generating current to flow into the spring, and the expansion and contraction of the spring drives the movement of the scraper, so that the water flow on the impeller cannot be washed away. Scrape off the deposits to ensure the normal operation of the water wheel.

The invention discloses an automatic robot clamping device for a high-temperature casting. The automatic robot clamping device for the high-temperature casting comprises a base, wherein a high-temperature injection machine and a casting forming main body are fixedly mounted on the two sides of the top of the base correspondingly, a clamping device body is fixedly mounted on one side of the top of the casting forming main body, and the clamping device body comprises a first mounting frame. According to the automatic robot clamping device for the high-temperature casting, through cooperative use of the base, the high-temperature injection machine, the clamping device body and the casting forming main body, a mechanical mode is adopted for replacing a manual discharging mode for work, waiting for the cooling period of a formed workpiece is not needed, a workpiece can be directly taken down after forming, so that the use frequency of the device is effectively improved, and then the casting forming efficiency is improved; and workers do not need to take down the workpiece manually, the workers are far away from high-temperature castings, the safety of the workers is guaranteed, scalding accidents are avoided beneficially, and the working comfort of the workers is improved beneficially.

The invention provides an automatic slicing device for marine fish, and belongs to the technical field of food processing. The device comprises a first conveying belt, a second conveying belt, a box body, a guide block, a second sliding rod, a first driving mechanism and a separating mechanism, the first conveying belt and the second conveying belt are horizontally spliced, the box body is arranged between the first conveying belt and the second conveying belt in a sleeving mode, and the guide block is fixedly arranged in the box body and located at the splicing position of the first conveying belt and the second conveying belt; two first sliding blocks are symmetrically arranged on the front inner side face and the rear inner side face of the box body in a sliding mode, the two ends of a second sliding rod are fixedly arranged on the two first sliding blocks correspondingly, cutters are fixedly arranged at the two ends of the second sliding rod through two fixing rods, and a first driving mechanism can drive the second sliding rod to slide back and forth along a first sliding groove. And the separation mechanism can drag the sliced fish on the guide block to the first conveyor belt. According to the fish slicing device, fish blocks can be quickly and uniformly sliced, meanwhile, the sliced fish slices can be stacked according to the specified number, and operation is easy.

The invention relates to the technical field of waterproof plate production, and discloses production system of a waterproof plate for a tunnel. The system comprises conveying belt, wherein a paint spraying mechanism, a drying mechanism and a cutting mechanism are sequentially and fixedly connected to the upper end of the conveying belt. The production system and the production process of the waterproof plate for the tunnel have the advantages that the production efficiency can be improved, and the rapid cutting is facilitated.

The invention belongs to the technical field of livestock breeding, particularly relates to a trough cleaning device for livestock breeding. The trough cleaning device aims to solve the problem of insufficient cleaning when a livestock trough is cleaned at present. According to the scheme, the trough cleaning device comprises a water storage tank body, four first trough plates and four first rolling wheels, wherein the four first trough plates are installed on the outer walls of the four corners of the bottom of the water storage tank body through bolts correspondingly, the four first rollingwheels are installed on the inner walls of trough openings of the first trough plates through bearings correspondingly, and vertically-arranged third electric guide rails are fixedly installed on theouter walls of the two ends of one side of the water storage tank body correspondingly. According to the trough cleaning device for livestock breeding, the third electric guide rails and a second electric guide rail are arranged, third electric sliding blocks and a second electric sliding block can drive a second supporting plate to conveniently and fast move, then troughs of different heights canbe conveniently cleaned, meanwhile, a first water distribution pipe can move back and forth, and the cleaning sufficiency is further improved.

The present invention belongs to the field of transformers, especially an oil-immersed three-phase transformer. For the existing cooling fins, the cooling fins are usually installed inside to dissipate heat through ventilation holes, but such The heat dissipation efficiency is not high, and the ventilation holes are all open, which will easily lead to dust entering the transformer and causing damage to the transformer. The following solution is proposed, which includes a transformer casing with a hollow structure, and an oil tank is fixedly installed on the top of the transformer casing , The oil inlet pipe and the oil outlet pipe are fixedly installed in the transformer shell. The present invention is simple in structure, easy to operate, can effectively dissipate the heat generated by the main body of the transformer during the working process, and can effectively dissipate heat when the external temperature is relatively high, so as to ensure the normal operation of the main body of the transformer. At the same time, when the heat dissipation is completed, it can The heat dissipation port is sealed to prevent dust from entering, so people's needs are met.

The invention discloses a coal pulverizer with a dustproof function. The coal pulverizer comprises a pulverizer body, a motor, a crushing roller and a suction ventilator; a feeding port and a discharging port are arranged on the upper end and the lower end of the pulverizer body correspondingly; a discharging through port is reserved in the middle of the pulverizer body; the motor is embedded in the lower end of the interior of the pulverizer body; an extrusion block is arranged in a sliding groove; a rack is installed on one side of the extrusion block; a first gear is installed in the pulverizer body; a second gear is installed at one end of an adjusting column; a guide disc is in shaft connection with the interior of the upper end of the pulverizer body; a rotary disc is installed at one end of a rotary block; a rotary drum is in shaft connection with the interior of the upper end of the pulverizer body; and a movable block is located in a limiting groove. According to the coal pulverizer with the dustproof function provided by the invention, the situation that the pulverizing work efficiency is not high due to blockage caused by excessive coal can be avoided, and powder generated in the coal pulverizing process can be collected, so that the safety and usability of the device are improved.

The invention discloses mechanical equipment for fried snacks. The mechanical equipment for the fried snacks comprises an operation box with opening arranged at the top; movable plates are mounted oninner walls at both sides of the operation box in a sliding way; baffles are welded with the inner walls at the both sides of the operation box; bottoms of the movable plates contact with tops of thebaffles; a drainage basket is arranged inside the operation box; transverse plates are welded with both sides at the top of the drainage basket; a plurality of fixed plates are welded with the bottomsof the transverse plates; a plurality of fixing grooves are formed at tops of the movable plates; the fixed plates are in buckled connection with corresponding fixing grooves; two placement chambersare arranged on the operation box; first holes are formed on inner walls, close to each other, of the two placement chambers; and a first shaft is installed in the first holes in a rotating way. The mechanical equipment for the fried snacks is high in practicability. The drainage basket is fixed on the movable plates via the fixed plates and the fixing grooves; and vertical forward and backward moving of the drainage basket is realized via gears, racks and springs, so that manual labor is replaced by the machine so as to ensure high intelligence degree. Thus, the mechanical equipment for the fried snacks is relatively high in efficiency.