243results about How to "Less prone to failure" patented technology

The utility model relates to a wind generating set variable pitch device which comprises a shell and an end socket, the end socket is fixedly connected to the shell, a support is arranged in the shell and fixedly connected to the inner wall of the shell, vertical plates are fixedly connected to the support at equal intervals, adjusting grooves are formed in the vertical plates, and a driving mechanism is arranged on the support. And the driving mechanism is used for driving the blades to perform angle rotation so as to realize a variable-pitch effect. The variable pitch device has the advantages that the lifting plate can be driven to move through the driving mechanism, the bent rod is driven to move through movement of the lifting plate, the bent rod is used for driving the connecting rod to move, then variable pitch operation is carried out on the blades, and compared with a traditional device, the variable pitch device has the advantages of being convenient to operate and simple in structure, and practicability is high. And the overall structure is stable and reliable, faults are not prone to occurring, and the service life can be long.

The invention provides a hoisting type charging device and an automatic folding and unfolding method. The charging device comprises a charging gun; the charging pile is suspended on the ceiling or the cross beam, and the charging pile is provided with a charging cable; the wire coil comprises a first half wire coil and a second half wire coil which are oppositely buckled into a whole, and a wire twisting prevention structure is arranged at the butt joint position of the first half wire coil and the second half wire coil; one end of the charging cable is sequentially wound on the first half wire coil, penetrates through the anti-twisting wire structure, then is wound on the second half wire coil and then is connected with the charging gun; the two electric winches are suspended on a ceiling or a cross beam and are used for driving the wire coil to lift through a suspension rope so as to enable the charging cable to be wound and unwound in an anti-torsion manner; the radio sensor is arranged on any electric winch and used for sensing arrival or departure of the corresponding vehicle, and the radio sensor is in communication connection with the electric winches and used for controlling descending or ascending of the two electric winches; automatic lifting can be achieved based on parking of a vehicle, and a charging cable is effectively wound and unwound in an anti-torsion mode through the cable coil structure.

The utility model discloses a tool bit direction changing mechanism and medical direction changing cutter, the tool bit direction changing mechanism is applied to the medical direction changing cutter, the medical direction changing cutter comprises a tool bit and an inner cutter bar assembly, the inner cutter bar assembly is hinged to the tool bit to transmit torque to the tool bit to drive the tool bit to rotate and can do pitching motion relative to the axis of the medical direction changing cutter, and the inner cutter bar assembly is hinged to the tool bit to drive the tool bit to rotate. The tool bit direction changing mechanism comprises a fixing piece, an inner tool bar assembly and a rotating piece. The fixing piece is arranged outside the inner tool bar assembly in a sleeving mode. The sliding piece is arranged outside the fixed piece in a sliding and sleeving manner and can axially move relative to the fixed piece; the bending supporting sleeve is arranged outside the tool bit in a sleeving mode, the tool bit extends out of one end of the bending supporting sleeve, the other end of the bending supporting sleeve is provided with a first connecting part and a second connecting part, the first connecting part is rotationally connected with the sliding piece, and the second connecting part is rotationally connected with the fixing piece; the bending supporting sleeve and the tool bit are driven to do pitching motion relative to the inner tool bar assembly through axial movement of the sliding piece. According to the technical scheme, the manufacturing difficulty of the tool bit turning mechanism is reduced.

The utility model discloses a constructional engineering material carrier, and relates to the technical field of constructional engineering, the constructional engineering material carrier comprises a carrier body, the front side and the rear side of the right side of the carrier body are both fixedly connected with handles, the front side and the rear side of the carrier body are both provided with width adjusting assemblies, and height lifting assemblies are both arranged above the two width adjusting assemblies; a rotating column is fixedly connected to the front side of the carrying vehicle body and the left side of the width adjusting assembly, a resistance piece is rotationally connected to the outer side of the rotating column, a torsional spring is connected to the surface of the rotating column and the interior of the resistance piece in a sleeving mode, a support is fixedly connected to the bottom of the handlebar on the front side, and a handle is rotationally connected to the bottom of the support; and a rear baffle is fixedly connected to the left side of the upper surface of the carrying vehicle body. The transport vehicle has the advantages that the width and the height of the transport vehicle can be adjusted to meet different transport requirements, the speed of the transport vehicle is effectively reduced through the resistance pieces, and the safety in the transport process is improved.

The invention discloses an intelligent production line for sugarcane seed stems, which solves the problems that the existing production line for the sugarcane seed stems cannot ensure that each section of seed stem has a required number of bud nodes and cannot realize efficient and energy-saving cutting, and better meets the requirements of industrialized seed production. The production line comprises a rack, a conveying device, a recognition device, a cutting device and a control device, when the production line is used, when the recognition device recognizes sugarcane bud nodes through an image recognition technology, the control device determines the cutting position according to the positions of the bud nodes, and when sugarcanes are conveyed to a preset position, the control device controls the conveying device to stop conveying of the sugarcanes; and the cutting device is controlled to cut the sugarcane. Through intelligent identification and automatic control of cutting, each cut section of sugarcane seed stem contains a required number of sugarcane bud nodes, and the quality of the sugarcane seed stem is better ensured. Meanwhile, the structures of the conveying device and the cutting device are improved, sugarcane bud knots are not prone to being damaged, and the sugarcane cutting quality can be improved.

The invention provides a suspension type alternating current charging device and an automatic folding and unfolding method. The charging device comprises a charging gun; a power line extends from one end of the AC charging pile, and a charging line extends from the other end; the wire coil comprises a first half wire coil and a second half wire coil which are oppositely buckled into a whole, and a containing cavity is formed in the butt joint position of the two half wire coils; the alternating current charging pile is arranged in the accommodating cavity, and a power line guide groove and a charging line guide groove which are correspondingly communicated with the accommodating cavity are respectively formed in the butt joint part; the power line penetrates out along the power line guide groove to be wound on the first half wire coil, and the charging line penetrates out along the charging line guide groove to be wound on the second half wire coil to be connected with the charging gun. The electric winch is suspended on a ceiling or a cross beam and is used for driving the wire coil to lift through a traction rope so as to take up and pay off the charging wire in an anti-torsion manner; the radio sensor is used for sensing arrival or departure of a vehicle, and the radio sensor is in communication connection with the electric winch; the structure is simple and reliable, and automatic lifting based on vehicle parking can be achieved.

The invention relates to the field of batteries, and provides a battery clamp and a preparation method thereof. The battery clamp comprises a first clamping plate, and a first clamping groove is formed in the first clamping plate; a second clamping groove is formed in the second clamping plate, and under the condition that the first clamping plate is installed on the second clamping plate, the first clamping groove and the second clamping groove form a clamping space used for clamping the outer circle face of the battery; the telescopic supporting rod is connected to the first clamping plate or the second clamping plate. The battery clamp can effectively clamp the outer circular surface of the battery and prevent the battery from moving or sliding off in the operation process, so that the stability and the safety of operation are ensured. And the design of the clamping groove fully considers the protection of the battery, so that the damage to the battery caused by too large clamping force of a traditional clamp is avoided, the service life of the battery is prolonged, and the maintenance cost is reduced.

The invention relates to the technical field of constructional engineering, and provides a wall defect detection device for high-rise building wall evaluation, which comprises an L-shaped support frame, a driving mechanism is arranged at the rear end in the L-shaped support frame, the driving mechanism comprises a servo motor I, the front end of the servo motor I is fixedly connected to the middle of the rear end of the L-shaped support frame, and the front end of the servo motor I is fixedly connected to the rear end of the L-shaped support frame. The outer side of the threaded rod is in threaded connection with a sliding block, the outer side of the first connecting rod is rotationally connected with a connecting plate, the upper portion in the connecting plate is rotationally connected with a first rotating rod, the front portion of the outer side of the first rotating rod is rotationally connected with a vertical plate, the bottom end of the vertical plate is fixedly connected with a transverse plate, and the middle of the top end of the transverse plate is fixedly connected with an infrared thermal imager. The wall body can be scanned in the vertical direction through the driving mechanism, meanwhile, the motion range in the vertical direction can be adjusted according to the height of the wall body so as to meet various detection requirements, the situation that the scanning range needs to be increased by increasing the distance from the wall body is avoided, and then the situation that imaging is not clear when the distance is long is avoided.

The invention discloses automatic tea making equipment which comprises a rolling frame, a rolling disc mounted in the middle of the rolling frame and a rolling barrel above the rolling disc, and a supporting frame extending from the rolling frame to the middle is fixedly connected to the outer wall of the rolling barrel; the outer wall of the rolling disc is sleeved with a cleaning device capable of generating negative pressure, the cleaning device can move to the upper side of the rolling disc, and residual tea leaves at the bottom of the rolling disc are sucked out through the negative pressure for secondary utilization; a driving structure I and a driving structure II which are fixedly connected with the rolling barrel are mounted at the top of the support frame, and the driving structure I drives the rolling barrel to lift; a barrel cover is arranged in the rolling barrel, the second driving structure comprises a rotating device fixedly connected with the barrel cover, a reversing structure and a downward pressing piece, the barrel cover is driven to ascend and descend through the rotating device, and after the barrel cover ascends to the designated height, the downward pressing piece can be triggered to assist the barrel cover in steering, and the rolling barrel is opened to facilitate discharging; after blanking, the barrel cover reversely rotates and descends to close the rolling barrel.

The utility model relates to the technical field of mesh belt furnace, concretely to a conveying device suitable for mesh belt furnace extension, mistake-proof material mixing, including machine body frame, the utility model discloses the transmission reduction motor speed is changed through the adjustment motor speeder, and the transmission chain and the gear drive the conveyer belt transmission shaft rotation, make the conveyer belt speed close mesh belt speed of former station, and the workpiece is driven to the conveyer belt on the conveyer belt through the unpowered roller, when the workpiece is completely conveyed to the material receiving inductor position, the material receiving alarm will occur sound and light alarm prompt, and the operator comes over to receive the material, and the conveyer belt uses a period of time, can pass through the adjustment conveyer belt tensioning shaft adjustment conveyer belt tension, guarantee no skidding phenomenon, and the mesh belt furnace inlet end, when the first workpiece or material of batch enters the furnace, put a workpiece containing the isolation mark, press the batch into the furnace button, when the workpiece or material of batch is discharged, the last batch has all been discharged, and the material receiving alarm will always alarm prompt at this time.

The utility model provides filtering equipment for tap water treatment, relates to the technical field of tap water treatment, and aims to solve the problems that a filtering structure adopted in an existing tap water filtering device is simple, the filtering effect is poor, the filtering efficiency is low, and the filtering device is easy to block and difficult to disassemble after being used for a long time. Universal wheels are symmetrically distributed at the bottom of the box body, an opening is formed in the top of the box body, a partition plate is arranged on the box body, a sedimentation tank is arranged on the left side of the partition plate, a filtering tank is arranged on the right side of the partition plate, a stirring paddle is rotatably arranged in the sedimentation tank, a motor is fixedly connected to the top of the box body, and a rotor is rotatably connected to the motor. The rotor is communicated with the stirring paddle, a flocculating agent box is mounted on the left side of the motor, and the flocculating agent box is communicated with the box body through a material pipe.

The invention relates to the technical field of sealing equipment, and discloses a rotary liquid outlet structure for a liquid packaging bag, the rotary liquid outlet structure comprises a rotary valve body, a rotary cover body and a limiting piece, the rotary valve body comprises a threaded cylinder, a covering cap annular plate and a rotary cylinder, one side of the covering cap annular plate is connected with the threaded cylinder, and the other side of the covering cap annular plate is connected with the rotary cylinder; the other side of the covering cap annular plate is connected with the rotating cylinder, external threads are formed in the outer wall of the threaded cylinder, and a liquid outlet hole is formed in the side wall of the rotating cylinder; the rotary cover body comprises a rotary cover cylinder, a rotary cover cap and a baffle, one end of the rotary cover cylinder is connected with the rotary cover cap, and the other end of the rotary cover cylinder is inserted into the rotary cylinder in a sliding manner; a connecting cavity is formed between the inner side wall of the rotating cover cap and the outer side wall of the rotating cover cylinder, the end, away from the covering cap annular plate, of the rotating cylinder is inserted into the connecting cavity, the baffle is coaxially arranged in the rotating cover cylinder, and the liquid packaging bag has the advantages of being suitable for liquid packaging bags and stable in sealing effect.

The utility model relates to the field of vehicle door handles, and particularly discloses a hidden vehicle door handle structure which comprises a base and a handle, the base is embedded in a vehicle door and close to the outer side of the vehicle door, an opening communicated with an internal mounting space is formed in the outer side face of the vehicle door, the handle is embedded in the opening, and a swing assembly, a driving assembly and an unlocking assembly are arranged in the base. The handle is in linkage with the swing assembly and has a hidden position, a working position and a triggering position, the driving assembly is used for driving the swing assembly to move so as to drive the handle to move, and the unlocking assembly is used for cooperating with the handle to unlock the automobile door. The device has the advantages of being simple in structure, convenient to implement and low in cost.

This utility model relates to the field of lock technology and discloses a lock comprising: a housing with a third keyhole on its side wall; a top and bottom rod assembly, including a top rod and a bottom rod slidably disposed in the housing and a first gear rotatably disposed in the housing, the first gear being located between the top and bottom rods and engaging with them for transmission; and a first lever rotatably disposed in the housing, on which a first lever arm is formed for linkage with the top or bottom rod. When the first lever rotates, the first lever arm drives the top and bottom rods to slide in the third keyhole respectively. This lock can drive the top and bottom rod assembly to slide with a relatively simple structure, reducing the probability of failure.

The utility model discloses a fan variable winding insulation structure. The utility model discloses a shell is fixedly connected with stator in the shell inside, is established winding slot in the stator inner wall, and winding slot sets up multiple groups, and winding slot inside is connected with variable winding body, the fastener is provided with two groups in winding slot inside is provided with single group insulation mechanism, the fastener includes fixed block, the recess, the connecting plate, the restraint band, the clamping block, the fixed block fixedly connected in winding slot inside, the recess is established on fixed block upper end, the connecting plate is fixedly connected with fixed block, the restraint band is fixedly connected with connecting plate, the clamping block is fixedly connected with restraint band, and through single group insulation mechanism can play insulation protection effect to variable winding body, and through fastener can prevent single group insulation mechanism and move and fall off simultaneously, thereby can make fan not easy to appear the trouble.

The present invention belongs to the field of locks, and refers to a motor intelligent lock body, comprising a lock shell, a mechanical driving mechanism, a deadbolt locking mechanism, a tilted bolt actuator and an electric control box. The mechanical driving mechanism is connected with the deadbolt locking mechanism and the tilted bolt actuator, and the tilted bolt actuator is arranged on one side of the deadbolt locking mechanism. The mechanical driving mechanism comprises a driving gear box and an anti-locking paddle arranged in the driving gear box. A driving motor is connected between the driving gear box and the electric control box. A main shaft is provided at one end of the driving motor away from the electric control box, and the main shaft is mounted on the driving gear box. A worm is sleeved on the main shaft, and the worm is meshed with a gear 1 formed on a first gear. A gear 2 is provided on the gear 1, and one side of the gear 2 is meshed with a large gear formed on the second gear. A small gear is provided on the large gear, and the small gear is meshed with a third gear arranged on the driving gear box. A slidable slide is provided on the third gear, and the slide drives the deadbolt locking mechanism to move up and down, and the anti-locking paddle drives the tilted bolt actuator to move up and down.

This utility model discloses a thyristor forming and unloading structure, including: a feeding plate; and an unloading assembly, which includes a connecting plate, a rotating hole, a rotating disk, and a first connecting post. The connecting plate is fixed to one side of the upper end of the feeding plate, the rotating hole is opened in the center of the connecting plate, the rotating disk is rotatably installed inside the rotating hole, the first connecting post is fixed to one side of the upper surface of the rotating disk, a movable rod is sleeved on the outer surface of the first connecting post, a second connecting post is fixed to the upper surface of the other end of the movable rod, a connecting ring is sleeved on the outer surface of the second connecting post, and a connecting rod is fixed to one side of the connecting ring. This utility model's pushing mechanism utilizes the rotation of the rotating disk to drive a series of linkage mechanisms. The structure is relatively compact, occupies little space, and is suitable for installation on various thyristor production lines. Furthermore, the connection and transmission methods between the components are relatively simple and reliable, and it is not prone to failure during long-term operation, ensuring continuous production.

The invention belongs to the technical field of cutting beds, and particularly relates to a hollow motor direct drive type ejector pin punching drill structure which comprises a rack, an assembling plate is arranged on the side edge of the rack, an air cylinder and first guide sleeves are arranged above the assembling plate, the number of the first guide sleeves is two, first guide rods are arranged in the first guide sleeves in a sliding mode, and a piston rod of the air cylinder and the lower ends of the first guide rods are connected with a mounting plate. A hollow motor is arranged on the mounting plate, the lower end of the hollow rotating shaft is connected with a chuck assembly, a guide sleeve fixing seat is connected between the two first guide sleeves, an ejector rod is arranged on the guide sleeve fixing seat, and the ejector rod penetrates through the hollow rotating shaft and extends into the hollow drill. The device is good in structural stability, high in machining precision, long in service life, simple in structure, stable in transmission and not prone to faults; the price is low, and the cost is effectively saved; the hollow drill is convenient, fast, time-saving and labor-saving to disassemble Meanwhile, the structure is compact, interference with the cutter head is avoided, the space between the hollow drill and the movable disc is large, the cutter and the hollow drill in the cutter head can be replaced conveniently, and the device is suitable for the automatic cutting bed.

The invention relates to the technical field of refractometers, and discloses a refractometer calibration device which comprises a base, a supporting transverse plate is arranged above the base, a driving mechanism used for driving the supporting transverse plate to ascend and descend is arranged on the base, a mounting cover is arranged below the supporting transverse plate, and the mounting cover is elastically connected with the supporting transverse plate through an elastic connecting assembly. A mounting shaft is rotationally mounted in the mounting cover, a first motor is fixedly mounted on one side of the mounting cover, and the output end of the first motor is fixedly connected with one end of the mounting shaft; by arranging a plurality of liquid dropping nozzles, the device can drop standard liquid with different concentrations, the standard liquid is dropped by adopting the liquid dropping nozzles, the standard liquid can be accurately dropped onto a detection prism of the refractometer body, and when the dropped standard liquid needs to be switched, a mounting shaft is driven by a first motor to rotate, so that the dropped standard liquid can be switched. The liquid dropping nozzle for dropping liquid towards the refractometer body is replaced, so that different standard liquids are dropped, and the calibration precision is improved.

The invention belongs to the field of power grid safety, and provides an electric control system for a safe mousetrap device for a power grid, comprising a box body made of insulating material, a box door being provided on the box body, an electric shock component and a bait being provided in the box body; a door opening maintenance component is also provided in the box body to maintain the box door in an open state; a bait detection module is used to detect whether the mouse has eaten the bait, and at the same time control the door opening maintenance component; a door closing maintenance component is used to maintain the box door in a tightly closed state; a door closing detection module is used to control the door closing maintenance component and at the same time control the electric shock component; and a power supply module is used to supply power to the electric shock component and to supply power to the door opening maintenance component, the bait detection module, the door closing maintenance component and the door closing detection module. The invention is very safe to use, and the high voltage electricity used to electrocute the mouse is turned on in an insulated and enclosed space, and the safety measures are excellent, and no harm is caused to the human body. The invention has a simple structure, is not prone to failure, and is convenient and durable.

The utility model discloses an intelligent circuit breaker structure, which sequentially comprises an upper cover, a middle cover and a bottom cover from top to bottom, wherein an N-pole bus cavity for installing an N-pole bus and a transmission cavity for installing a gear transmission mechanism are formed between the upper cover and the middle cover; a contact cavity for mounting an N-pole contact mechanism is formed between the upper cover and the bottom cover; an L-pole bus is mounted between the bottom cover and the middle cover, and an insulating plate for separating the L-pole bus from the N-pole bus is formed on the middle cover; and the L-pole bus is positioned between the middle cover and the bottom cover. The transmission structure is a duplex-mode gear set, the structure is compact, the shell is of a 2p structure, and the N-pole contact mechanism does not need a connecting rod, so that the whole structure is simpler and more compact, the size is the same as that of an existing traditional single-phase circuit breaker, the size of a distribution box does not need to be increased when the existing traditional single-phase circuit breaker is replaced, and connecting rod transmission is not needed during unhooking; the device is more reliable and is not easy to break down.

The present invention provides a stacked satellite rocket clamping and releasing mechanism, including: a clamping mechanism, a base, a transfer mechanism, a thrust mechanism and an unlocking mechanism. The unlocking mechanism includes: a plurality of flexible strips and an unlocker. The installation body of the release device is the base, and a plurality of stacked satellites are neatly stacked and placed on the base. At least two sets of the release devices provided by the present invention are symmetrically arranged around the stacked satellite. The larger clamping force required by the clamping mechanism is provided by the smaller pulling force of the flexible strips of the transfer mechanism through the force amplification of the transfer mechanism. The impact between the impact power source and the clamped target is buffered by multiple places such as the flexible strips, the transfer mechanism, and the clamping mechanism. One unlocker can be used to unlock multiple clamping mechanisms, and there is no need to set an unlocker at each clamping mechanism. The release device provided by the present invention has a small spatial envelope, low load-bearing requirements for the unlocker, small unlocking impact, and a small number of unlockers required, and can achieve the clamping and release of multiple targets stacked vertically.

The invention relates to the technical field of thermocouples, in particular to a multifunctional thermocouple wire temperature measuring device which comprises thermocouple wires arranged in a vacuum tube and a receiving end connected with the vacuum tube, a frosted glass rod is connected between the thermocouple wires through a thermocouple fixing block, and a demagnetization box is arranged on the frosted glass rod. An iron core, a wire coil and a heating rod are arranged in the degaussing box, the wire coil is wound on the iron core, a heat insulation plate is arranged between the wire coil and the heating rod, and a magnet electric connector is fixedly arranged on the bottom side face of the lower connecting end. The thermocouple wire can stably run in the vacuum tube for a long time, the reliability is high, the maintenance cost is reduced, the use efficiency of equipment is improved, the multiple demagnetization boxes are distributed on the thermocouple wire, a high-temperature and high-magnetism environment is formed in the vacuum tube, the purpose of eliminating internal magnetization is achieved, the detection accuracy is improved, whether magnetism exists or not is controlled at any time, and the service life of the equipment is prolonged. The normal use of the thermocouple wire is not affected, and the use flexibility is improved.

The present invention relates to the technical field of construction equipment for building engineering, and specifically to a pulling and closing mechanism and a pulling and closing device. The cylinder body of a tilting hydraulic oil cylinder of the pulling and closing mechanism is fixedly connected to the piston rod of the pulling and closing hydraulic oil cylinder, and the cylinder body of the tilting hydraulic oil cylinder can move with the piston rod of the pulling and closing hydraulic oil cylinder, so that the piston rod of the tilting hydraulic oil cylinder does not need to cooperate with the telescopic movement when the piston rod of the pulling and closing hydraulic oil cylinder performs the telescopic movement, and will not interfere with the movement of the piston rod of the pulling and closing hydraulic oil cylinder, and the control difficulty is small, it is not easy to fail, and the energy consumption is also small; by arranging a proportional valve on the pulling and closing mechanism, the proportional valve is used to distribute the hydraulic oil to the pulling and closing hydraulic oil cylinder and the tilting hydraulic oil cylinder, so that the pump station of the pulling and closing device and each pulling and closing mechanism only need two hydraulic oil pipes for oil circuit connection, the amount of oil pipes used is small, the pipe resistance pressure loss and back pressure are small, the installation difficulty is small, and the installation is convenient and quick, and there is no need to be equipped with a frequency conversion motor and a hydraulic pump, and the cost is low.

This application relates to a self-drainage structure for a rotor installation pit. This application is applicable to the field of hydropower construction technology. The technical problem to be solved by this application is: to provide a self-drainage structure for a rotor installation pit. The technical solution adopted in this application is: a self-drainage structure for a rotor installation pit, comprising: an upper drainage hole formed between the installation pit and a construction support tunnel below the installation pit, the upper end of the upper drainage hole connecting to the bottom of the installation pit, and the lower end of the upper drainage hole connecting to the construction support tunnel; a middle drainage pipe disposed within the construction support tunnel, the upper end of the middle drainage pipe connecting to the lower end of the upper drainage hole, and the lower end of the middle drainage pipe extending to a drainage ditch at the bottom of the construction support tunnel; and a lower drainage hole formed between the construction support tunnel and a self-drainage tunnel below the construction support tunnel, the lower drainage hole connecting to a drainage ditch at the bottom of the construction support tunnel, and the lower end of the lower drainage hole connecting to the self-drainage tunnel.

The utility model discloses a rotary tooth harrow bar screen machine, which comprises a screen machine and a tooth harrow, the tooth harrow is arranged in the screen machine, a driving device is arranged on the right side of the top end of the screen machine, a transmission assembly is arranged on the front surface of the driving device, a connecting piece is arranged at the bottom end of the outer wall of the screen machine, and the connecting piece is connected with the tooth harrow. A supporting piece is arranged at the bottom end of the connecting piece, a detachable net plate is arranged in the supporting piece, a fixing piece is arranged at the joint of the net plate and the supporting piece, a driving piece is arranged at the top end of the connecting piece, and the other end of the driving piece is connected with a transmission assembly. A supporting piece is arranged at the bottom end of the connecting piece, the supporting piece swings left and right at the bottom end of the cleaner through the connecting piece, a detachable net plate is arranged in the supporting piece, the impurities and the garbage moving to the bottom end of the cleaner can be pushed out through the design, and smooth operation of equipment is kept.

A plastic bag three-fold folding device and a plastic bag folding method, comprising a primary folding mechanism for folding two carrying straps at the front end of a vest-shaped plastic bag toward the middle, characterized in that a secondary folding mechanism for folding the rear part of the plastic bag from the bottom to the front is provided behind the primary folding mechanism, and a tertiary folding mechanism provided above the primary folding mechanism and for folding the middle of the plastic bag after the secondary folding in half. The advantages of the present invention are: greatly simplifying the structure, reducing the manufacturing cost, not prone to failure, reducing the maintenance cost; simplifying the folding process, and improving the work efficiency.

The invention discloses a width-variable guide rail falling protector easy to disassemble and assemble. The guide rail falling protector is mainly applied to the field of high-altitude operation safety protection. Comprising a movable shell and a fixed shell which move relatively to change the width of the falling protector. The hanging handle is used for connecting external safety equipment; the fixed long shaft penetrates through the fixed shell, one end of the fixed long shaft extends out of a limiting area with a blocking step, and the movable shell penetrates through the limiting area. The sliding limiting device is installed in a groove of the fixed shell, switching between the working state and the non-working state of the falling protector and width adjustment are achieved, and the falling protector can be flexibly disassembled and rapidly installed in the middle of the guide rail. The falling protector is convenient and efficient to operate, and the operation procedures of installation, locking, unlocking and the like are simplified; the problem of midway disassembly of a traditional safety lock guide rail is solved; the structure is stable and durable and adapts to complex environments; the comprehensive cost and risk of high-altitude operation are effectively reduced, high-quality and comprehensive safety protection is provided for high-altitude operation personnel, and development of the high-altitude operation safety technology is promoted.

This invention discloses an online rapid detection device for cable conductor resistance, comprising a fixed-position detection system and a moving-position detection system. The fixed-position detection system includes a main body and a control mechanism. The control mechanism includes a control box, a rotating hinge fixedly mounted on the top of the control box, a box cover rotatably connected to the control box via the rotating hinge, a sealing plate fixedly connected to the front of the box cover, a signal control board embedded in the front of the box cover, a display screen embedded in the top of the control box, control keys fixedly mounted on the top of the control box, a base fixedly connected to the bottom of the control box, and an alarm mechanism provided at the bottom of the main body. The invention features a lower clamp fixedly connected to the top of the main body, and upper and lower clamps that can be fixed to the outside of the cable, allowing the resistance detection board to fit snugly against the cable. This facilitates real-time monitoring of the cable resistance, simplifies installation, improves installation efficiency, and enhances monitoring convenience.

The invention relates to the technical field of metal processing and recycling, in particular to an automatic metal foil cutting and recycling device which comprises a fixing device, an outer shell, a clamping device, a control panel, a cutter device and a collecting device, the fixing device comprises a fixing shaft with the position capable of being adjusted, and a plurality of grooves are formed in the fixing shaft in the axial direction; a fixed shaft sliding block is arranged in each groove, and when compressed air is filled, the fixed shaft sliding blocks protrude outwards from the grooves; the clamping device comprises a feeding driving motor, a clamping driving shaft and a clamping driven shaft; the cutter device comprises a cutter motor, a cutter driving shaft, a cutter driving gear, a blade, a cutter driven gear, a cutter driven shaft and a cutting base plate; and the collecting device comprises a material receiving plate. According to the scheme, the production efficiency can be improved, the production cost can be reduced, maintenance is easy, faults are not prone to occurring, in addition, the foil can be prevented from being torn in the cutting process, the foil winding drum cannot be damaged, and recycling of the winding drum is achieved.