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50results about How to "Cut off fast" patented technology

Self-adaptive full-automatic pipe cutting machine

The invention discloses a self-adaptive full-automatic pipe cutting machine which comprises annular supports, an annular rail, an annular drive mechanism, clamping mechanisms, a feeding mechanism and cutters. The annular rail is arranged on the annular supports, the clamping mechanisms are arranged on one sides of the annular supports, the annular drive mechanism is arranged on the annular rail, the feeding mechanism is arranged on the annular drive mechanism, and the cutters are arranged at the front end of the feeding mechanism. Through the mode, the self-adaptive full-automatic pipe cutting machine has the advantages of being high in reliability performance, accurate in locating, compact in structure, high in cutting-off speed, high in efficiency, orderly in cutting opening, good in pipe adaptability, convenient to use and the like, and meanwhile has the wide market prospects in the pipe cutting field.
Owner:SUZHOU GENFU MACHINERY SCI & TECH

Eyelet embroiderer

The invention discloses an eyelet embroiderer. The eyelet embroiderer comprises a cutter bar. The bottom of the cutter bar is provided with a cutter head. The top end of the cutter head is provided with a cutting edge part. The cutter bar above the cutter head is provided with upper and lower driving mechanisms. The cutter bar above the upper and lower driving mechanisms is provided with a rotation driving mechanism. The cross section of the cutting edge part is rhombic. An angle of the cutting edge part in a width direction is in a range of 20-90 degrees and an angle of the cutting edge part in a thickness direction is in a range of 5-20 degrees. The eyelet embroiderer is provided with the rotation driving mechanism except the upper and lower driving mechanisms and thus the cutter bar drives the cutter head to punch upward and downward and to carry out rotation cutting. The angle of the cutting edge part in the thickness direction is in a range of 5-20 degrees so that cutting-off efficiency is improved and the angle of the cutting edge part in the width direction is in a range of 20-90 degrees so that eyelet width is adjusted easily and cutting-off efficiency is improved. The eyelet embroiderer improves a cutting-off rate, guarantees cut surface cleanliness and obviously improves punching efficiency and punching quality.
Owner:ZHEJIANG XINSHENG SEWING EQUIP

Topological structure of double-arm architecture quick hybrid direct current breaker

The invention discloses a topological structure of a double-arm architecture quick hybrid direct current breaker. The topological structure of a double-arm architecture quick hybrid direct current breaker is characterized in that in a first bridge arm, a main breaker A1 branch circuit is formed by a solid state switch group of unidirectional serial anti-parallel diodes; a main current branch circuit is formed by serial connection of a quick mechanical switch A3 and a bidirectional load conversion solid state A2 switch; an energy freewheeling absorption loop is formed by serial connection of a non-linear discharge resistor A5 and a freewheeling diode group A4, and is in parallel connection with a serial branch circuit which is formed by a diode A6 and a quick mechanical switch A7 at two ends of A4; in a second bridge arm, a main breaker B1 branch circuit is formed by a solid state switch group of unidirectional serial anti-parallel diodes; and a main current branch circuit is formed by serial connection of a quick mechanical switch B3 and a bidirectional load conversion solid state B2 switch. The topological structure of a double-arm architecture quick hybrid direct current breaker can close, bear and cut off the current in the normal loop condition, can close, bear and cut off the current in the abnormal loop condition in a specified time, and can improve the practical engineering applicability.
Owner:NORTHEAST DIANLI UNIVERSITY

Wire harness cutting-off equipment for instrument production

ActiveCN108655302AEasy to useHarness pops upHardnessEngineering
The invention relates to cutting-off equipment, in particular to wire hardness cutting-off equipment for instrument production. According to the technical aims, the wire hardness cutting-off equipmentfor instrument production is high in cutting-off speed and uniform in cutting-off. The wire hardness cutting-off equipment for instrument production comprises a tank, supporting legs, supporting boards, arc-shaped boards, a first transverse board, a first vertical board, a first bearing pedestal, a first rotary shaft, a first roller, a first belt wheel and the like. The supporting legs are installed at four corners of the bottom of the tank; a feeding inlet is formed in the middle of the top of the tank; a discharging outlet is formed in the middle of the bottom of the tank; the two supporting boards are installed on the top of the exterior of the tank; and the feeding inlet is located between the two supporting boards. A first motor is used as a driver to drive the first roller to rotate, so that wire harnesses are driven to move downwards; and a cam drives a cutter to cut off the wire harnesses, a movable plate and a fourth spring are also arranged, so that the cut-off wire harnesses are not stacked, and the effects that the wire harnesses are cut off fast and uniformly are achieved accordingly.
Owner:常州中端电器有限公司

Current feedback electronic arc-control device

The invention belongs to the field of electricity and relates to a current feedback electronic arc-control device, in particular to the current feedback electronic arc-control device suitable for performing an arc-control function on mechanical switches. The current feedback electronic arc-control device comprises a power semi-conductor device connected in parallel with a mechanical switch and a power supply circuit, wherein a main circuit of the power semi-conductor device is connected with a current sensor and is used for detecting whether the mechanical switch is turned on or turned off; an output signal of the current sensor is connected with a control circuit, and a control end of the power semi-conductor device is connected with the control circuit; the power supply circuit is connected with the control circuit and provides power for the control circuit; the control circuit controls the power semi-conductor device to be shut off when it is detected that the mechanical switch is turned off. The current feedback electronic arc-control device has the advantages that the power-on time of the power semi-conductor device is short and the reliability is high.
Owner:GUANGZHOU JINSHI ELECTRONICS

DC limiter and synergic control method of same and DC circuit breaker

The invention provides a DC limiter and a synergic control method of the same and a DC circuit breaker. The DC limiter comprises a first current through branch, a first transferring branch and a current limiting branch. By the DC limiter, a fault current can be prevented from being raised, and time is provided for fault detection; and moreover, a large amount of half-control devices are employed,and the cost of the DC limiter is reduced. According to the synergic control method of the DC limiter and the DC circuit breaker, provided by the invention, a positive current direction and a negativecurrent direction are performed, synergic control of the DC limier and the DC circuit breaker is achieved by controlling on / off of the half-control devices, the advantages of the DC limiter and the circuit breaker are fully developed, meanwhile, the influence of a DC circuit inductor on current cutting speed is prevented, the fault current cutoff time is reduced, the lifetime of equipment in a high-voltage DC power transmission system is prolonged, the fault misjudgment probability can be reduced, and the reliability of the high-voltage DC power transmission system is improved.
Owner:GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +3

Glass severing device and method

This invention refers to a glass cutting device and method. The glass cutting device includes a holding plate having a holding glass plate, a holding plate drive unit which make the holding plate move in a single axle direction, a laser oscillation part which makes the laser on the glass plate oscillate, a sensor which sense a slit of the glass plate formed by the laser. The holding plate drive unit determines the moving speed of the holding plate in the single axel direction based on the elongation degree of the slit sensed by the sensor. Therefore, the excellent cutting can be performed by controlling the slit formed on the glass plate.
Owner:OMRON LASERFRONT INC

Chain cutter

The invention discloses a chain cutter. The chain cutter comprises a baseplate, a bracket, a cutting cylinder, a material guide chain wheel, a cutting insertion plate, a cutting striker, a striker fixed base and a cutting oil cylinder, wherein the cutting cylinder is arranged on the baseplate; the material guide chain wheel is arranged at one side of the cutting cylinder; the cutting insertion plate is arranged on the cutting cylinder; the bracket is arranged on the baseplate; the cutting oil cylinder is fixed above the bracket; the striker fixed base is connected below the cutting oil cylinder; and the lower end of the striker fixed base is connected with the cutting striker. Through the mode, the chain cutter has the advantages of high reliability, precise positioning, compact structure, quick cutting speed, high production efficiency, low noise, simple operation and high automation degree, can cut off chains with any lengths in a setting manner, and has wide market prospect on the chain transmission market.
Owner:SUZHOU SHUNGE INTELLIGENT TECH

Method and device for cutting metal-moulded honeycomb thin wave plate

The invention relates to a method and a device for cutting a metal-moulded honeycomb thin wave plate, which are characterized in that: the cutting is performed from two sides to the middle part of the wave plate in a shearing way to make a shearing face at an oblique angle of 60+ / -10 degrees. The method and the device simply and obliquely cut the moulded honeycomb thin wave plate accurately at one time without additionally processing the oblique angle; at the same time, a cutting opening is flat and straight, has no burr edge and does not need to be deburred; and the cutting force in opposite direction is uniform and does not cause wave deformation, so secondary reshaping and processing are not needed. An upper cutter cuts at a high speed and with a high cutting efficiency while moving downwards and is used together with a wave plate continuously moulding machine; and equipment is simple and can obliquely cut at any oblique angle. A balance device arranged on the upper cutter can ensure that shearing on two sides is synchronous and that the shearing does not deform substantially. The cutting method of cutting from two sides to the middle part in the shearing way is weak in cutting force, simple in used equipment, low in requirement on the equipment and low in cost.
Owner:JIANGSU RUISHENG WATER TREATMENT

Garden mowing equipment

PendingCN112567963AAvoid rolling toAvoid winding stuckMowersAgricultural scienceAgricultural engineering
The invention discloses garden mowing equipment which comprises a rack, a mowing structure, a blocking cover and a weed poking device, the mowing structure is fixed to one end of the rack, the weed poking device is arranged on one side of the bottom edge of the surface of the blocking cover, a rotating shaft is arranged in the center of the bottom of a driving mechanism, and the rotating shaft isrotationally connected with the driving mechanism. A protection device is arranged on the surface of the rotating shaft and located at the bottom of the driving mechanism, and a cutting disc is fixedto the position, close to the bottom of the protection device, of the surface of the rotating shaft. The invention relates to the technical field of garden equipment. The garden mowing equipment achieves the effect of high adaptability, can adapt to both fragile straw weeds and flexible straw weeds, effectively avoids winding of rotating shafts by stems and leaves of the weeds, guarantees mowing efficiency, can reduce throwing of the weeds, facilitates subsequent sweeping, reduces harm to the face of a human body, is safe and reliable, and improves the service performance.
Owner:新昌县大菠萝农业发展有限公司

Intelligent mowing and collecting device for municipal gardens

The invention discloses an intelligent mowing and collecting device for municipal gardens. The intelligent mowing and collecting device for the municipal gardens a first cylinder, wherein a first vertical rod is arranged in the first cylinder, a second cylinder sleeves the first vertical rod, a third cylinder sleeves the second cylinder, a power device is arranged between the second cylinder and the third cylinder, a second vertical rod is arranged on the side face of the third cylinder, rollers are arranged on the lower portion of the second vertical rod, and a first mowing line is arranged at the lower end of the second vertical rod; an arc-shaped rod is arranged on the side face of the second cylinder, a groove is formed on one side of the arc-shaped rod, and an annular elastic belt is arranged in the groove of the arc-shaped rod; the top surface of the arc-shaped rod penetrates through a second mowing line, a collecting device is arranged at the upper part in the first cylinder, an elastic funnel-shaped sleeve is arranged on the bottom surface of the first cylinder, and a handle is arranged on the side face of the first cylinder. According to the intelligent mowing and collecting device for the municipal gardens, a hand-held device is used for automatically mowing a garden, labor intensity is reduced, the effect of dragsaw cutting is achieved by moving the mowing line in the length direction of the cutting part of the mowing line, plants of different hardness and different materials are rapidly cut, and the device can timely and intensively recover cut weeds.
Owner:ZHENGZHOU UNIVERSITY OF AERONAUTICS +1

Output short circuit protection device for direct-current power supply

An output short circuit protection device for a direct-current power supply is composed of a relay circuit, a startup retaining circuit and an insurance resistor. The output short circuit protection device is arranged behind the direct-current power supply to prevent output short circuit of the direct-current power supply or protect the direct-current power supply when an electrical appliance is in short circuit. Thus, accidents caused by short circuit are avoided, the cut-off speed is high, and the effects of rear end short circuit on a preceding stage power supply are effectively prevented. After short circuit is removed, output is started and switched on again. Furthermore, when the output is access to the direct-current power supply and a positive electrode and a negative electrode are reversely connected, the output cannot be started and switched on. The output short circuit protection device is simple in circuit, safe, reliable, convenient and practical.
Owner:来宾市计量测试研究所

Full automatic on-line hydraulic bevel shearing machine for steel billet

A full-automatic in-line hydraulic bevel shearing machine for bevel shearing of hot steel billet on conticasting production line is composed of base, machine frame arranged obliquely on the base and consisting of left and right frames and upper and lower beams, guide tracks on left and right frames, shearing unit consisting of upper and lower V-shaped shearing knives and their holders, press unit consisting of cylinder and its supporter, pressing head and guide rod, and walking unit on said base.
Owner:JIANGSU HUAHONG TECH STOCK

Electric machine double-layer disconnecting means of profiled steel sheet machine

A double-layer cutting device for a motor of a profiled plate machine belongs to the technical field of manufacturing metal cool-bending sheet processing device. The device mainly comprises an uprightpost (22), the two ends of which are fixed on a lower mounting plate (1) and an upper mounting plate (8), a knife board mounting frame (15) provided with a lower cutter (17) of an upper layer and a upper cutter (19) of a lower layer, a guide rod (2), a vertical bearing seat (13), the two ends of which are provided with transmission shafts (14), an electromotor (21), an eccenter (12) provided witha brace, a sliding bush (4), an active plate (3) respectively provided with the upper cutter (16) of the upper layer and the upper cutter (18) of the lower layer, an optically controlled angle seat (10) provided with an inductor (11), an induction baffle (9), a non-oil lubrication shaft sleeve (25) arranged in the slide sleeve (4) and fixed on the active plate (3), etc. The device has the advantages of compact integral structure, stable working, high reliability and short journey time, thus quickening efficiency of a whole production line; the surface of the plate after being sheared is beautiful and has no deformation.
Owner:ZHEJIANG JINGGONG SCI & TECH

High efficiency machine for cutting metallic wire

An efficient wire cutting machine for metallic wire is composed of a machine frame, a wire straightening device, a wire feeder, a wire cutter with the blade rotating at high speed, a wire reel, and a motor. Its advantages are high speed, simple structure and high automation level.
Owner:刘堃

Rapier loom weft scissors

The invention discloses rapier loom weft scissors, and belongs to the technical field of rapier loom accessories. The weft scissors are characterized in that a weft hook knife (4) is rotationally arranged on a hook knife mounting frame (9) through a hook knife rotating shaft (6); a rotating wheel (12) rotationally arranged in the vertical direction is disposed on one side face of the hook knife mounting frame (9), and a push rod (11) and a pull rod (14) are hinged to the end face of the rotating wheel (12) separately; the rotating wheel (12) is hinged to the tail portion of the weft hook knife(4) through the push rod (11), and the rotating wheel (12) is fixedly connected with one side of a cutter (3) through the pull rod (14). The push rod and the pull rod which are hinged to the rotatingwheel can be matched with the cutter to move back and forth to synchronously push the head portion of the weft hook knife to swing upwards or sink downwards, and the cutter and the weft hook knife are coordinating in action, so that the weft cutting time and frequency are controlled in a specific position and time, and the weft breaking phenomenon is avoided. The installation height and inclination angle of the cutter can be adjusted freely according to needs, and the cutter can be conveniently replaced in time.
Owner:SHANDONG XINLI ENVIRONMENTAL PROTECTION MATERIAL

Electric cutting knife for cutting pineapple spinae

The invention discloses an electric paring knife for peeling "inside thorns" of pineapple. The main features are: there is a star-shaped cutter capable of high-speed rotation in the arc-shaped groove at the center of the lower part of the casing. The blade of knife is made as semicircle, and the lower end of star-shaped sharpener stretches out beyond the lower end surface of casing bottom; DC motor is arranged at the left end of the 3rd inner cavity of casing top; There is a fourth inner cavity, and a rechargeable battery is arranged in the fourth inner cavity, and the DC motor drives the star-shaped cutter to rotate at high speed through a chain drive. When peeling a pineapple, you only need to use a knife to peel off the outer skin of the pineapple, and then open the present invention, and form the toothed knife of the star-shaped paring knife that rotates at high speed along the stamens and styles hidden in the pineapple cavity in an orderly arrangement. Push forward in the direction of the "inner thorn" of the pineapple, and the "inner thorn" of the pineapple can be easily and quickly peeled off, and the pineapple can be peeled easily and quickly.
Owner:詹桥生

Dual-frequency speed-control pelletizer

ActiveCN105216133APlay a role in rotation speedShorten the lengthDual frequencyEngineering
The invention discloses a pelletizer, and aims to provide a dual-frequency speed-control pelletizer. The key points of the technical scheme are that the dual-frequency speed-control pelletizer comprises a pelletizer main body; a cutting mechanism and a feeding mechanism are sequentially mounted on the pelletizer main body; and the feeding mechanism is used for transporting plastic raw material into the cutting mechanism. The dual-frequency speed-control pelletizer is characterized in that the feeding mechanism comprises a power roller and a pressure roller clung to the outer surface of the power roller; the cutting mechanism comprises a rotary cutter component rotationally connected with the pelletizer main body and used for cutting the plastic raw material; power parts which are respectively used for driving the power roller and the rotary cutter component to rotate, and a control part are arranged on the pelletizer main body; and the control part is used for controlling the rotation speeds of the power parts used for driving the power roller and the rotary cutter component to rotate.
Owner:台州见龙科技有限公司

Medical infusion tube treatment and recovery device

The invention relates to a recovery device, in particular to a medical infusion tube treatment and recovery device. The technical purpose of the invention is to provide the medical infusion tube treatment and recovery device capable of cutting an infusion tube quickly and preventing liquid medicines from sticking to clothes. According to the technical scheme, the medical infusion tube treatment and recovery device includes a crushing box and the like; support plates are installed on the left and right sides of the crushing box, a discharge pipe is installed in the middle of the bottom of the crushing box, a discharge pipe is connected with the crushing box, a feeding pipe is installed in the middle of the top of the crushing box, the feeding pipe is connected with the crushing box, a cutting device is arranged on the right side of the feeding pipe, and a crushing device is arranged in the crushing box. The device cuts the infusion tube by a cutting device, and crushes the cut infusiontube by the crushing device so that an operator can more conveniently handle the infusion tube, and the effects that the cutting speed of the infusion tube can be fast, and the liquid medicines are prevented from sticking to clothes are achieved.
Owner:廖珍珍

Improved tobacco stalk cutting, separating and pre-loosening equipment for whole tobacco bale feeding

The invention discloses improved tobacco stalk cutting, separating and pre-loosening equipment for whole tobacco bale feeding. The equipment comprises a tobacco stalk cutting and separating device. An adjustable cutter component is mounted on a separating movable frame of the tobacco stalk cutting and separating device, a tobacco bale cutting and separating workbench is arranged below the cutter component, and a cutter adjusting mechanism for adjusting the adjustable cutter component is further mounted on the separating movable frame. A tobacco bale rear side locating mechanism is mounted at the discharging end of the tobacco bale cutting and separating workbench. The lower ends of lower tangential moving frames are connected with piston rods of lifting cylinders through pin shafts, and tangential moving frames are driven to move up and down. Through the cutter adjusting mechanism, the tobacco stalk cutting and separating length can be automatically and accurately adjusted according to technique requirements and difference tobacco components. The rear sides of tobacco bales are located to enable the tobacco stalk cutting rate to reach 99.5%, the tobacco damage ratio is low, and stability of quality of production raw materials is ensured; the lifting cylinders meet diversified production requirements of users, and various requirements of production techniques are met.
Owner:安徽中烟机械有限公司

Hydraulic billet shears

The invention provides a pair of hydraulic billet shears which comprises a base, a rack, a shear device, a running mechanism, a hydraulic station and a control host, wherein a roller supporting device is fixed on a support bracket; a shear oblique frame is internally provided with an internal cooling water channel; a travel switch is arranged on the shear oblique frame; a shear oil cylinder is fixed on a shear oil cylinder fixing bar and the support bracket and fixedly connected with a lower knife seat; a shear oil cylinder housing is provided with a spiral first external cooling water channel; the first external cooling water channel is connected with the internal cooling water channel; a running oil cylinder is fixed on the base and fixedly connected with the support bracket; a running oil cylinder housing is provided with a spiral second external cooling water channel; and wheels are arranged in adjustable U-shaped grooves in guide rails in an embedded manner. The pair of shears is high in cutoff speed, low in equipment failure, high in blade utilization ratio and production efficiency and low in energy consumption, and sheared end faces are square and tidy.
Owner:FUZHOU KANGFUTE MACHINERY & EQUIP

Pulse modulator and drive circuit thereof

The invention relates to a pulse modulator and a drive circuit thereof. The drive circuit comprises a start electric control switch and a censored electric control switch, the start electric control switch and the censored electric control switch are arranged in series, a discharge branch is further arranged in the drive circuit, the discharge branch is connected to a control end of the start electric control switch, a discharge electric control switch is arranged in series on the discharge branch, and a control end of the discharge electric control switch is connected to a censored pulse generation unit. When the censored pulse generation unit outputs a drive signal, a start pulse generation unit stops outputting the drive signal, the discharging electric control switch is turned on by the drive signal, and a parasitic capacitor on the start electric control switch is turned on to discharge through the discharge branch so that a level keeping the start electric control switch to be turned on quickly becomes a low level, the start electronic control switch is turned off quickly then. Compared with a traditional drive circuit that only a drive signal is stop outputting, the drive circuit is advantageous in that time consumed by cut-off of the start electric control switch is greatly reduced, and fast cut-off of the start electric control switch is achieved.
Owner:THE PLA INFORMATION ENG UNIV

A carved hole embroidery machine

The invention discloses an eyelet embroiderer. The eyelet embroiderer comprises a cutter bar. The bottom of the cutter bar is provided with a cutter head. The top end of the cutter head is provided with a cutting edge part. The cutter bar above the cutter head is provided with upper and lower driving mechanisms. The cutter bar above the upper and lower driving mechanisms is provided with a rotation driving mechanism. The cross section of the cutting edge part is rhombic. An angle of the cutting edge part in a width direction is in a range of 20-90 degrees and an angle of the cutting edge part in a thickness direction is in a range of 5-20 degrees. The eyelet embroiderer is provided with the rotation driving mechanism except the upper and lower driving mechanisms and thus the cutter bar drives the cutter head to punch upward and downward and to carry out rotation cutting. The angle of the cutting edge part in the thickness direction is in a range of 5-20 degrees so that cutting-off efficiency is improved and the angle of the cutting edge part in the width direction is in a range of 20-90 degrees so that eyelet width is adjusted easily and cutting-off efficiency is improved. The eyelet embroiderer improves a cutting-off rate, guarantees cut surface cleanliness and obviously improves punching efficiency and punching quality.
Owner:ZHEJIANG XINSHENG SEWING EQUIP

Spinning type manually-operated hydraulic steel bar cutting-off device capable of working in two directions

InactiveCN106391937ACut off fastEngineeringRebar
The invention discloses a spinning type manually-operated hydraulic steel bar cutting-off device capable of working in two directions. The device comprises a knife seat and a control cabinet. Stationary knives are mounted on the knife seat. A movable knife is mounted beside each stationary knife. The control cabinet is arranged beside the knife seat. Hydraulic rods are arranged at the front end of the control cabinet. Oil drain valves are arranged above the control cabinet. A hand wheel is arranged beside the oil drain valves. A reversing rod is arranged on the side face of the control cabinet. A linkage rod is arranged beside the reversing rod. The spinning type manually-operated hydraulic steel bar cutting-off device has the beneficial effects that the two-directional cutting-off knives can be used separately or together; the application scope is wide; and in addition, steel bar cutting-off speed can be increased.
Owner:盐城市双强管桩有限公司

Quick cutting-off deslagging valve

The invention discloses a quick cutting-off deslagging valve, belongs to the technical field of valves, and solves the problems that a conventional valve cannot cut off materials to lose self using effect of the valve. The quick cutting-off deslagging valve is characterized by comprising a valve body, knife switches, a flashboard and an air cylinder assembly, wherein the knife switches are mountedin the valve body; the two knife switches are symmetrically arranged on the outlet side of the valve body; the flashboard is arranged at an outlet surrounded with the knife switches; the knife switches have high intensity, the cutting properties are good, through cooperation with quick movement of the flashboard, favorable cutting-off functions can be realized, and mediums can be cut off at the knife switches; through air inlet and air exhaust of an electromagnetic valve, an air control valve is controlled to perform changes of an air path, and the valve opening and closing time is smaller than or equal to 1s; the valve opening and closing time is shortened to 1 / 3, and quick opening and closing are realized. Besides, an air cylinder assembly in an air storage tank is adopted, the air input quantity is increased by the air control valve, quick exhaust of the air in an air cylinder is realized through a quick exhaust valve, the operation time of the air cylinder is shortened, the cutting off speed is increased, and the sealing effect is good.
Owner:SHANDONG ZHONGLI HIGH PRESSURE VALVE CO LTD

Near Ground Fruit and Vegetable Picker

The invention belongs to the technical field of fruit and vegetable picking, and discloses a near-ground fruit and vegetable picking machine. The near-ground fruit and vegetable picking machine comprises a picking execution module, a picking drive module and a picking control module; the picking execution module comprises an upper guiding cam cover and a lower guiding cam base, the upper guiding cam cover is internally provided with an upper cam groove, and the lower guiding cam base is internally provided with a lower cam groove; the upper guiding cam cover and the lower guiding cam base cooperate to form a hollow containing cavity, the hollow containing cavity is internally provided with a cutter head, an upper rotary cutting blade and a lower rotary cutting blade, and the cutter head can be driven by the picking drive module to drive the upper rotary cutting blade and the lower rotary cutting blade to conduct circular movement separately; the picking control module controls the picking drive module to move to make the cutter head conduct circular movement; the upper rotary cutting blade and the lower rotary cutting blade can move in the upper cam groove and the lower cam grooverespectively; the upper and lower rotary cutting blades rotate along with the cutter head to complete the operation of cutting the picking parts and are also controlled by a cam curve to swing to complete the cutter combination cutting and cutter removing operation of the upper and lower rotary cutting blades.
Owner:ZHUZHOU JIACHENG TECH DEV CO LTD

Surface-mounted controlled fuse

The invention relates to the technical field of fuses, in particular to a surface-mounted controlled fuse. The fuse comprises a first electrode, a second electrode and fusible alloy; the first electrode is electrically connected with the second electrode through the fusible alloy; the fuse further comprises a ceramic heating piece; the first electrode and the second electrode are attached to the surface of the ceramic heating piece respectively; a heating electrode is arranged on the ceramic heating piece and is in contact with the fusible alloy; and a main circuit formed by the first electrode, the second electrode and the fusible alloy is tightly attached to the ceramic heating piece, so that a heat transfer path is short, and heat transfer is faster and more effective; the ceramic heating piece comprises an upper ceramic sheet and a lower ceramic sheet; a heating resistor is arranged between the upper ceramic sheet and the lower ceramic sheet; since ceramic has good heat conduction capability and high thermal shock resistance, and the upper ceramic sheet, the heating resistor and the lower ceramic sheet form a sandwich layer structure, so that the phenomenon that the first electrode, the second electrode and the heating resistor which are attached to the surface of the ceramic heating piece are broken down again after a current path is broken off at high temperature can be avoided.
Owner:XIAMEN SET ELECTRONICS
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