53results about How to "Guaranteed shaking" patented technology

A tobacco seedling transplanting punching machine includes an engine, a throttle opening control cable, a clutch cable, transmission flexible shafts, punching drill bits, a vehicle frame, a water spray device, a power divider and a drill bit mounting rack; the vehicle frame includes a wheel, handlebars, a cross beam, landing legs, and a lifting handle, and a gradienter is arranged on the vehicle frame; the drill bit mounting rack includes cross rods, a fixing seat and connecting rods, tail ends of the two cross rods are symmetrically respectively arranged at two sides of the front end of the cross beam, the front end of each cross rod is connected with the connecting rod, the tail ends of the connecting rods are arranged on the fixing seat in a connection mode, and the punching drill bits are arranged below the fixing seat; power outputted by the engine is divided into two ways by the power divider to be outputted and then the two ways of power are connected with the transmission flexible shafts respectively, and the transmission flexible shafts pass through the fixing seat and then are connected with the punching drill bits respectively; the water spray device includes a water tank, a water spray pipe, a water pump and a water pump switch. One person can push the tobacco seedling transplanting punching machine for operation, so as to be convenient and save labor; with arrangement of two punching drill bits, two field ridges are punched at the same time, and the efficiency is high; and the water spay device ensures that holes cannot be collapsed.

The invention relates to the technical field of on active service steel rail flaw detection, and discloses an ultrasonic flaw detection device for a steel rail base metal rail flange. The device comprises a trolley and a flaw detection structure. Rail wheels are arranged at the front and back ends of the bottom of the trolley. The rail wheels are supporting rolling wheels on the steel rail treading face of the trolley. The device further comprises a clamping mechanism. The clamping mechanism is arranged on a transverse beam of the bottom of the trolley and can longitudinally slide and adjust relative to the transverse beam. The clamping mechanism comprises a transverse adjusting bolt. The flaw detection structure is connected to the lower portion of the clamping mechanism through the transverse adjusting bolt, and the transverse adjusting bolt can adjust the flaw detection structure to move transversely. The device is convenient to install and operate, convenient to adjust, high in efficiency, good in effect, stable and reliable in working and small in external disturbance.

The invention discloses a pipe burying pay-off device for water conservancy construction and with a length recording function. The pipe burying pay-off device for water conservancy construction and with the length recording function comprises a supporting base and a pay-off box; the lower end of the supporting base is connected with supporting legs; walking wheels are arranged at the bottom ends of the supporting legs; a hydraulic lifting column is arranged in the right middle of the upper end of the supporting base; the top end of the hydraulic lifting column is connected to the bottom end of the pay-off box; a through groove is formed in the pay-off box; a pay-off roller is arranged in the through groove; a rotating shaft is arranged in the pay-off roller; a transmission wheel is arranged on a right side suspension arm of the rotating shaft; the transmission wheel is connected to a driving wheel through a belt; a rotating wheel is hung on a left side suspension arm of the rotating shaft; the rotating wheel is connected to a distance measuring box through a transmission belt; a sleeve is fixedly arranged in the right middle of the top end of the pay-off box; a hollow pipe is connected in the sleeve in a sliding manner; and the bottom end of the hollow pipe is connected with a pressing and holding plate. The pipe burying pay-off device for water conservancy construction and with the length recording function is simple in structure and convenient to use, and due to the arrangement of the distance measuring box, a cable laying speed during construction can be controlled.

The invention discloses an electric power inspection unmanned aerial vehicle based on intelligent image recognition and an inspection method, belongs to the technical field of electric power inspection, and is characterized in that the electric power inspection unmanned aerial vehicle comprises an unmanned aerial vehicle body and a controller, and the bottom of the unmanned aerial vehicle body isfixedly connected with two brackets, an equipment box is arranged, through mutual combination of a second servo motor, a movable plate and a first electric push rod, an image acquisition device can bestored when the unmanned aerial vehicle body takes off and lands, collision of the image acquisition device is avoided, the protection performance of the device is improved, and through arrangement of the first servo motor and a gear, rotation of the image acquisition device can be achieved; the direction and angle of the image acquisition device can be rotated according to actual conditions, sothat power inspection is more convenient, the image acquisition device can be reinforced by arranging a reinforcing assembly, the unmanned aerial vehicle body is prevented from shaking during taking off and landing, and it can be effectively guaranteed that the image acquisition device shakes during working; and the stability of the image acquisition device is improved.

The invention relates to the technical field of earthquake resistance of building structure engineering, in particular to an energy dissipation and shock absorption node, a shock absorption column andan installation method. The energy dissipation and shock absorption node comprises an energy dissipation assembly and embedded connecting assemblies fixed on the upper and lower end surfaces of the energy dissipation assembly, and the embedded connecting assemblies are anchored on a precast concrete column or a precast concrete beam; the energy dissipation assembly comprises energy dissipation connecting units arranged at two ends and an energy dissipation unit, the energy dissipation unit comprises an energy dissipation web plate, at least one plate surface of the energy dissipation web plate is provided with energy dissipation rib plates for adjusting the rigidity of the energy dissipation unit, and the energy dissipation web plate is a memory alloy. Energy dissipation and shock absorption nodes are arranged in the middle of the concrete, energy generated by a main structure under earthquake is consumed through the energy dissipation and shock absorption nodes, damage to the main structure is reduced, and accordingly the building structure is protected. The energy dissipation web plate of the memory alloy is fixed on the corresponding precast concrete through the embedded connecting assemblies on the upper end surface and the lower end surface, and the energy dissipation effect is adjusted by arranging the energy dissipation rib plates.

The invention discloses a processing technology for improving the bending performance of a tab copper strip and belongs to the technical field of non-ferrous metal copper rolling and heat treatment. The processing technology comprises the following steps: (1) smelting and pulling; (2) hot-rolling; (3) milling; (4) roughing; (5) trimming; (6) primary annealing; (7) primary cleaning; (8) middle rolling; (9) secondary annealing; (10) secondary cleaning; (11) finish rolling; (12) annealing and cleaning in air cushion furnace; (13) stretching bent part and straightening; (14) cutting and delivering. The processing technology is used for improving the bending performance of the tab copper strip. The prepared end product has a Vickers hardness of 50-55HV and bending times of more than or equal to7 and meets the requirement of the invention.

The invention belongs to the technical field of wall panel connecting structures, and discloses an assembly type mounting assembly of a wall panel. The assembly type mounting assembly comprises a wallbody and a panel, a threaded hole is formed in the side face of the wall body, and a bolt is mounted in the threaded hole in a threaded manner. The outer surface of the part, located in the threadedhole, of the bolt is fixedly sleeved with an oblique clamping piece matched with the threaded hole in the reverse direction, and the outer surface of the part, located on the side face of the wall body, of the bolt is movably sleeved with a gasket. According to the assembly type mounting assembly of the wall panel, the oblique clamping piece is arranged on the outer side of the bolt, so that whenthe bolt is mounted, a clamping device between the bolt and the threaded hole does not need to be additionally mounted, machining is directly conducted during machining, the functionality of the structure is improved, and excessive extra steps are not needed; and by arranging a reverse clamping device and a compressed spring structure, the structure of an original bolt is changed, a connecting piece can still be additionally installed after the bolt is installed, and therefore the problem that when the original bolt is installed, the using space of a tool is insufficient can be solved.

The invention discloses a double-gear type wiggler with a clearance eliminating function, and aims to solve the problem that a wiggling head wiggles and the wiggling cannot reach a required angle due to the fact that a clearance is generated between a drive gear and a driven gear after the wiggler on a current full-automatic deposition robot works for a long time. A primary reduction large gear, a clearance eliminating gear and the drive gear are sequentially arranged on a transmission shaft; the primary reduction large gear and the drive gear are fixedly connected with a transmission shaft; the clearance eliminating gear and the transmission shaft are in clearance fit; the drive gear is in contact with the clearance eliminating gear; the drive gear and the clearance eliminating gear are engaged with the driven gear; the end surface, facing towards the clearance eliminating gear, of the drive gear is provided with a plurality of circular-arc-shaped long slots along the periphery M; the end surface, facing towards the drive gear, of the clearance eliminating gear is provided with a plurality of pressure blocks along the periphery M; one end of each circular-arc-shaped long slot is provided with a spring; and each spring is fixedly connected with the corresponding pressure block. The double-gear type wiggler is used for the full-automatic deposition robot.

The invention provides a coupling method for a vibrating table and a shielding box body. The coupling method comprises the following steps: 1) forming a hole in the connection part of the shielding box body and the vibrating table according to the size of a moving coil of the vibrating table, and setting a predetermined allowance at the hole for allowing the moving coil of the vibrating table to shake in the radial direction; 2) adding a tool on the moving coil of the vibrating table, dividing the tool into an upper half part and a lower half part, arranging the upper half part in the shielding box body for fixing a test article, and fixing the lower half part on the moving coil of the vibrating table and out of the shielding box body; 3) arranging a conductive rubber film between the upper half part and the lower half part to play a shielding role, and connecting the upper half part with the lower half part by virtue of bolts. By adopting the scheme, the requirement that the moving coil of the vibrating table vibrates and shakes in the axial direction can be met while the shielding performance of the shielding box body is ensured, and the experiment and test of product performance under the coupling effect of an electric magnetic field and vibratory stress can be possible.

The invention discloses auxiliary equipment for tower cylinder accessory horizontal type mounting. The auxiliary equipment for tower cylinder accessory horizontal type mounting comprises a balancing beam, a balancing weight and a traction piece; the balancing weight is assembled at the near end of the balancing beam along the length direction of the balancing beam and in a position adjustable way;the balancing beam is provided with a first connecting structure for being in assembling connection with lifting equipment as well as a second connecting structure for being in assembling connectionwith the traction piece; the second connecting structure is positioned at the near end of the balancing beam; and the traction piece is arranged at the position of the second connecting structure. Theauxiliary equipment for tower cylinder accessory horizontal type mounting has the advantages of simplicity in operation, high mounting efficiency and capability of reducing manpower and material resources. In addition, the invention also discloses a tower cylinder accessory horizontal type mounting method.

The invention discloses a storage shelf for logistics, which comprises a support base, an identification plate, a first motor, a top dustproof plate, an electronically controlled sliding bearing plate, a pulley bracket and a first chute, the upper side of the support base and the support bottom plate It is fixedly connected, and a vertical support frame is installed on the upper side of the support base plate, and the rear side of the identification plate is fixedly connected with the vertical support frame through a threaded connection, and a PLC controller is provided on the right side of the bottom end of the vertical identification plate. A second motor is installed on the upper side of a motor, and a third motor and a fourth motor are arranged on the upper side of the second motor, a vertical support frame is installed on the lower side of the top dustproof plate, and a horizontal support frame is arranged on the inner side of the vertical support frame. As for the support frame, a first pulley is installed on the lower side of the left end of the electronically controlled sliding bearing plate, and a second pulley is arranged on the lower side of the right end of the electrically controlled sliding bearing plate. When the device is in use, it can be adjusted according to the operation requirements, the operation is faster, the overall structure is more stable, and the operation is more stable.

The invention discloses a replaceable horizontal machine tool for road roller production and a use method, and belongs to the technical field of road roller production. The replaceable horizontal machine tool for road roller production comprises a machine tool body, supporting columns are arranged at four corners of the lower end face of the machine tool body, a transmission mechanism is arrangedon the left side of the upper end face of the machine tool body, a supporting plate is arranged on the right side of the transmission mechanism, a linkage mechanism is arranged on the front end face of the supporting plate, an electric push rod is arranged on the middle part of the right end face of the linkage mechanism, a cutting device d is arranged at the tail end of the electric push rod, a water spray pipe is fixed to the upper end of the linkage mechanism, fixed plates are longitudinally and symmetrically arranged on an inner cavity of the machine tool body, baffles are horizontally arranged on the upper parts of the ends, away from the inner cavity, of the fixed plates, a fan is arranged on the upper end face of the left baffle, the upper part of right end of the fan is fixedly connected with an air conveying pipe, and the air conveying pipe is fixedly connected with a cleaning device. The device has simple structure and convenient operation, can effectively separate the coolant and iron chips, ensure the normal operation of the horizontal machine tool, and effectively collect iron chips so as to save energy and reduce emission.

The invention belongs to the field of gas treatment equipment, and particularly relates to a multistage VOCs industrial tail gas treatment system which comprises a dust removal chamber, a conveying belt, a dust washing tank, a washing tank, a connecting pipe and an activated carbon adsorption tank, and further comprises a dust removal module, a sand filtering module, a stirring module and a washing module, wherein the dust removal module is used for preliminary treatment of industrial tail gas; the sand filtering module is used for separating solid sand and water in the industrial tail gas; the stirring module is used for washing dust in the industrial tail gas; the washing module is used for washing the industrial tail gas after dust removal, and the industrial tail gas is introduced intothe dust removal chamber through a first gas inlet, the industrial tail gas is processed by the dust removal module, the sand filtering module, the stirring module and the washing module in sequence,passes through the connecting pipe and reaches the activated carbon processing box, and the drying layer inside the connecting pipe absorbs the liquid in the industrial tail gas, the activated carbonin the activated carbon adsorption tank is used for re-absorbing harmful organic matters in the industrial tail gas, so that the cleanness of the discharged gas is ensured.

The invention discloses a dismountable enclosing wall for resisting frost disasters for orchards based on smog heat insulation. The dismountable enclosing wall comprises a protection body panel, wherein a vent plate mechanism is fixedly connected to the middle of a hinge, support clamping plates are fixedly connected to the outer sides of vent holes, on the front surface of the protection body panel, a limiting sleeve column is fixedly connected to the outer side close to the top, of the corresponding support clamping plate, an outside movable plate is in sleeving and sliding connection to theouter side of each limiting sleeve column, deep burying inserting columns are uniformly and fixedly connected to the bottom of the protection body panel, a vent angle adjusting mechanism is fixedly connected to the middle of the bottom surface of the vent plate mechanism, and heat insulation smog generation mechanisms are fixedly connected to two sides of the vent angle adjusting mechanism, on the bottom surface of the vent plate mechanism. The invention relates to the technical field of defence engineering of natural disasters. The dismountable enclosing wall for resisting frost disasters for orchards based on smog heat insulation achieves heat insulation of the orchards, and under joint actin of smog and the vent plate mechanism, the heat insulation effect of the orchards can be reinforced.

The invention relates to the technical field of linear transmission, in particular to a totally-enclosed type linear module. The totally-enclosed type linear module comprises a base, a driving component, a transmission assembly and a transmission seat, wherein the driving component is arranged at one end of the base, the transmission assembly is arranged inside the base and is in driving connection with the driving component, the transmission seat is movably arranged to the transmission assembly, the side, provided with the transmission seat, of the base is provided with a sealing steel piece,two ends of the base are provided with pressing plates to fix the sealing steel piece to the surface of the base, the surface of the base is provided with positioning grooves, each positioning grooveis provided with a blocking edge, the blocking edge sides are provided with magnets to adsorb the sealing steel piece, the sealing steel piece penetrates into the transmission seat, the transmissionseat is internally provided with a lever to support the sealing steel piece up, and the positions, located on two sides of the lever, of the transmission seat are provided with roller shafts to pressthe sealing steel piece. According to the totally-enclosed type linear module, by means of the arrangements of the positioning grooves and the absorption actions of the magnets, the sealing steel piece is adsorbed to realize sealing transmission, the fact that the sealing steel piece keeps stable transmission in the high-efficiency transmission process can be guaranteed, the transmission efficiency is high, the stability is good, and the sealing strength is high.

The invention discloses an electrical connector. The electrical connector comprises an insulation body, a first pair of terminals and a second pair of terminals, wherein a slot is formed in the insulation body, the first pair of terminals and the second pair of terminals are arranged on the insulation body and are arranged at the same side of the slot in a staggered way in a longitudinal direction, two first welding parts in the first pair of terminals deviate from two first contact parts in opposite directions in the longitudinal direction, two second welding parts in the second pair of terminals deviate from two second contact parts in opposite directions in the longitudinal direction, and first welding parts of the first pair of terminals and second welding parts of the second pair of terminals are arranged at two opposite sides of a first main body part in a horizontal direction and are arranged at two opposite sides of a second main body part. By arrangement of the paired terminals in a staggered way, the distribution of conductive holes, corresponding to the paired terminals, in a circuit board is facilitated, short-circuit is difficult to cause, moreover, the distribution ofvarious types of terminals is facilitated, so that the connector has relatively good electrical performance during the transmission process.

The invention discloses a transportation clamp for a light and thin metal sheet piece. The transportation clamp comprises a main rod, a plurality of supporting rods, a plurality of suckers and a control box, wherein a lifting ring is arranged in the middle of the main rod, and a vacuum pumping element are arranged inside the main rod; the supporting rods are detachably arranged on the main rod, and the main rod is arranged perpendicular to the supporting rods on the horizontal surface; the suckers are arranged on the main rod and the supporting rods correspondingly, and a suction pipe is connected between the suckers and the vacuum pumping element; and the control box is fixedly connected with the main rod through a mounting rod, and is provided with a handle. Through the multi-point adsorption, the sheet piece is balanced in force to keep level, and is not prone to deforming, the adsorption is reliable, and the positions of the supporting rods can be flexibly adjusted to adapt to sheet pieces with different areas; the clamp is integrally lifted by the lifting ring, so that the sheet piece can be conveyed from the air, the probability of collision with a mechanical device can be reduced, and it is ensured that the surface of the sheet piece is perfect and has no damage; and the handle is held when the sheet piece is placed down, the control of the balance of the sheet piece isfacilitated, shaking is reduced, and it is ensured that the sheet piece is placed stably.

The invention relates to a culture flask tray and flask holder assembly for a microbial shaker. The culture flask tray and flask holder assembly comprises a shaker casing, wherein a crank-rocker mechanism is mounted at the bottom of the shaker casing, a motor drives the crank-rocker mechanism through a transmission belt to drive a shaker frame to swing entirely, the shaker frame is fixedly mounted at the top of the shaker casing through multiple symmetrical flexible ropes, casters are mounted at the bottom of the shaker casing, a plurality of storage grooves are formed in the shaker frame, a culture flask tray is arranged on the storage grooves, flask holders are placed on the culture flask tray, and culture flasks are nested on the flask holders. The inclination angle of the culture flask tray can be adjusted conveniently, so that culture requirements at different stages can be met; the flask holders and the tray are convenient to assemble, the flask holders can be applicable to different sizes and shapes of culture flasks, and the culture efficiency of the microbial shaker can be improved by the aid of the culture flask tray and flask holder assembly.

The invention relates to the technical field of sewage treatment, and discloses intelligent and efficient sewage treatment equipment for printing and dyeing. The equipment comprises a first treatmentbox and a second treatment box, wherein a sewage input pipe is fixedly mounted at the top end of the first treatment box; the middle part of the first treatment box is rotationally connected with a rotating rod; a driving motor is fixedly mounted at one end of the first treatment box; the output end of the driving motor is fixedly connected to one end of the rotating rod; a plurality of stirring pieces are fixedly connected to the side wall of the rotating rod; sliding grooves are formed in the stirring pieces; sliding blocks are arranged in and slidably connected with the sliding grooves; andsupporting springs are fixedly installed at the bottom ends of the sliding blocks. According to the intelligent and efficient sewage treatment equipment for printing and dyeing, it is guaranteed thatwaste residues are well filtered, the waste residues can be cleaned without stopping the equipment, sewage treatment efficiency is improved, the filtered waste residues can be quickly cleaned, activated carbon can be conveniently replaced, and sewage treatment efficiency is ensured.

The invention relates to an optical cable connecting shell assembly and an optical cable connector, the optical cable connector comprises an optical cable and the optical cable connecting shell assembly, and the optical cable connecting shell assembly comprises a spring supporting seat, a supporting cylinder and a cover plate structure. The spring supporting seat comprises a U-shaped seat, and theelastic supporting seat is connected with the front shell in an anti-disengaging mode in the front-back direction. The supporting cylinder comprises a connecting section used for being installed in the U-shaped seat from an opening of the U-shaped seat, the U-shaped seat is matched with the connecting section to enable the supporting cylinder to be stopped and limited in the backward direction, and the supporting cylinder is stopped in the U-shaped seat after the cover plate structure is installed in the U-shaped seat. The spring supporting seat and the supporting cylinder are firmly connected after being assembled; the spring supporting base can be installed after the optical fiber and the insertion core are connected, the installation operation space of the optical fiber and the insertion core is not affected, the cylindrical supporting cylinder is good in structural strength and has a good crimping effect, and the problem that a sectioned supporting cylinder section of an existingconnector spring limiting base is prone to damage and fracture, and consequently crimping fails can be solved.

The invention discloses a volute spiral spring type swing device with a gap removing function. The volute spiral spring type swing device aims to solve the problems that a worm gear reducer is adopted for a swing device on an existing full-automatic cladding robot, after the swing device works for a long time, gaps may be generated between engaged teeth in the transmission process of a worm gear and a worm, consequently, a swing head wobbles, swinging cannot reach the required angle, and the repairing effect of the full-automatic cladding robot on a water wall is influenced. A motor is fixedly arranged outside a shell; a worm is arranged in the shell and is connected with the output shaft of the motor through a coupler; a worm gear is engaged with the worm and is fixedly arranged on a driven shaft; a gap exists in the upper end of the driven shaft along the axis; a volute spiral spring is arranged outside the shell and is wound on the driven shaft; the inner end of the volute spiral spring is inserted in the gap; the outer end of the volute spiral spring is fixed to a screw; the screw is in threaded connection with a fixing plate; and the shell is fixedly arranged on the fixing plate. The volute spiral spring type swing device is used for the full-automatic cladding robot.

The invention relates to a dune buggy front wheel connecting disk which is provided with an axle hole matched with a knuckle spindle, the axial end of the connecting disk used for connecting with a hub is provided with four threaded studs which are positioned around the axle hole and evenly arranged, and the other axial end thereof is evenly provided with three screwed holes around the axle hole.The dune buggy front wheel connecting disk is characterized in that the axial end surface surrounding axle hole of the connecting disk used for connecting with the hub is provided with a locating lugboss matched with a hub center hole, and the locating lug boss is positioned between the four threaded studs and the axle hole. After the hub and the connecting disk are connected and located, the invention ensures the radial location of the hub is better and the motion of the hub is steadier and does not shift or bounce.

The invention provides an air inlet device for the drying drum of an asphalt concrete mixing station in a plateau area. When a dryer is working in the plateau area, the drying effect often decreases due to the lack of oxygen supply in the dryer, and even suffocates the dryer seriously. A method and apparatus for manufacture that present invention comprises the follow steps of: the air inlet tube (1) and the drying tube (4), the air inlet drum is sleeved with a rotating disk (3), The rotating disk is provided with a set of transverse stoppers (2) uniformly arranged according to the circumference, and the side wall of the air inlet cylinder is provided with a set of vertical stoppers (5) uniformly arranged according to the circumference. The fixed pin (6) on the rotating disk is hinged withone end of the tie rod (7), and the other end of the tie rod is hinged with the rotating rod on the motor (8). The invention is used for air inlet device of drying drum of asphalt concrete mixing station in plateau area.

The invention belongs to the field of normal-temperature tank box equipment, and particularly relates to an anti-wave plate device for a liquid tank box. The anti-wave plate device comprises first anti-wave plates and second anti-wave plates, wherein the first anti-wave plates are fixedly connected with a body of the tank box and span the section of the tank box; the number of the first anti-waveplates is at least two and the first anti-wave plates are arranged in parallel on the cross section of the tank box; and two ends of each second anti-wave plate are respectively and fixedly connectedwith the two first anti-wave plates, and a gap between the two first anti-wave plates is filled. According to the anti-wave plate device, the first anti-wave plates and the second anti-wave plates arecombined, and the single-channel effective area of the first anti-wave plates and the second anti-wave plates exceeds 70% of the cross sectional area of the body of the tank box, so that the anti-wave effect is good; and the first anti-wave plates and the second anti-wave plates are fixed in a bolt connection mode, any one of the first anti-wave plates and the second anti-wave plates is detachable, and access for disassembly, assembly and maintenance is convenient for an operator.

The invention relates to an autonomous power supply type water pump. The autonomous power supply type water pump comprises a base and a shell, wherein a motor is arranged on a top plate, a solar charging device is arranged on a bottom plate, a sealing cover for sealing a water inlet is arranged on the shell, a sensor is arranged on the sealing cover, a sealing plug is arranged on the shell, a connecting groove is formed in a solar charging assembly, and a control assembly is arranged between the connecting groove and the sealing plug. The autonomous power supply type water pump has the advantages that when the sensor arranged on the sealing cover detects that a water inlet pipe is mounted at the water inlet, the solar charging device is triggered to be pushed out of the bottom plate, at the moment, the solar charging device receives solar energy to start charging, and after a water outlet pipe is mounted, an operator only needs to connect the sealing plug with the connecting groove, so that a pin is in contact with a switch to trigger the solar charging device to be switched on, the autonomous power supply of the motor is realized, normal operation of the motor is ensured, the wrong start of the motor in the mounting process can be prevented, the power supply of low voltage at the beginning of charging of the solar charging device to the motor is also avoided, and the overall service life is prolonged.

The invention discloses soilless culture tomato harvesting equipment which comprises a movable base, one side of the top of the movable base is fixedly connected with an electric control box, the other side of the top of the movable base is fixedly connected with a supporting frame, and the soilless culture tomato harvesting equipment is characterized in that one side of the inner wall of the supporting frame is fixedly connected with a horizontal seat; the operation end of the mechanical arm is connected with the vibration frame, the hollow fixed rod and the first sliding rod on the two sides of the inner wall of the vibration frame and the two movable rods which are located on one side of the inner wall of the vibration frame and can slide are utilized, and the harvesting cloth between the hollow fixed rod and the movable rods is matched, so that when the vibration frame vibrates, the movable rods shake stems of tomatoes at the moment; by means of the mode, the tomatoes are harvested, and the harvesting speed can be increased to a great extent.

The invention relates to the technical field of explosion-proof barrels, and discloses a barrier explosion-proof barrel for inflammable and explosive hazardous chemicals, including an outer barrel body, the outer barrel body is a barrel body whose upper surface is not completely open, and an inner barrel body, an outer barrel body, and an outer barrel body are arranged in the outer barrel body. The body is covered with a bung for sealing. A support device is provided between the outer barrel and the inner barrel. The bottom surface of the inner barrel is in the shape of a cone protruding upwards. The support device corresponds to the raised position of the inner barrel. The outer barrel There is also a stabilizing device between the inner barrel and four stabilizing devices located at the bottom of the outer barrel at equal distances. The stabilizing device includes a chassis and a support plate. The disc is in contact with the bottom surface of the inner barrel. The flammable, explosive and hazardous chemicals block the explosion-proof barrel. By using the outer barrel and the inner barrel for split use, it improves the safety and also improves the practicability of the device. .