52results about How to "Realize automatic rise" patented technology

The invention belongs to the field of agricultural machines, and relates to an electro-hydraulic hanging field end self-adaptive lifting device for a tractor, and a control method. The self-adaptive lifting device includes a turning monitoring module, a control module, and a hydraulic execution module; the turning monitoring module can recognize the speed of a left driving wheel and a right left driving wheel and the turning angle of a turning wheel, and can send a monitored signal to a controller; the control module can determine the turning time of the tractor at a field end according to the received speed of the left driving wheel and the right left driving wheel, and the recieved turning angle signal of the turning wheel, and the controller can send a command to an electro-hydraulic proportional valve and a reversing valve so as to control lifting of a hanging system; the hydraulic execution module can achieve lifting and falling of the hanging system according to the command of the controller, can keep a farm implement at a certain working position; and a hydraulic system can timely supply flow to a hydraulic cylinder through a one-way valve when the farm implement rapidly falls down, and cavitation can be avoided. Compared with the prior art, the electro-hydraulic hanging field end self-adaptive lifting device is high in automatic level, is simple to operate, and can greatly reduce the labor cost.

The invention relates to the technical field of communication equipment, and discloses an automatic lifting waterproof and heat dissipation communication cabinet, which comprises a cabinet body, supporting legs, lifting plates and a cabinet door, wherein vertical sliding cylinders are fixedly mounted at four groups of corners in the cabinet body, a group of the lifting plates with a rectangular structure are arranged in the middle in the cabinet body, connecting rods are installed on the edges of the front side walls and the rear side walls of the lifting plates, the tail ends of the connecting rods penetrate through vertical sliding openings formed in the sliding cylinders and are fixedly provided with sliding plates slidably connected into the sliding cylinders, floating plates are fixedly installed at the bottoms of supporting frames, bushes with openings in the lower portions are arranged in the supporting legs, a vertical lifting rod is telescopically connected into the bush, a transverse threaded rod is in threaded connection with the upper portion of the inner side face of the bush, a control box is fixed to the left side of the upper portion of the lifting plate, and a distance sensor for measuring the height from the bottom water surface of the lifting plate to the bottom of the lifting plate is fixedly installed on the lower surface of the lifting plate. The automaticlifting waterproof and heat dissipation communication cabinet has the advantages of being automatic in lifting, waterproof, high in automation degree and good in waterproof effect, and having an alarm prompt function.

The present invention relates to a motor vehicle automatic window-raising control module and its control method. It includes power supply connected with circuit, radio remote control transmitter, radio receiving circuit, drive circuit connected with window motor, logic control circuit which is positioned between the described radio receiving circuit and drive circuit and is respectively connected with radio receiving circuit and drive circuit and counting circuit for controlling window-raising operation. Besides, said invention also provides its working principle and concrete operation method.

The invention provides a multi-rotor wing robot in a liquid medium. The multi-rotor wing robot comprises a streamline closed shell, an N-rotor wing body, a control unit, N cylindrical seal covers, an automatic floating device, a remote control system, a sensory perceptual system and a man-machine interactive system, wherein the N cylindrical seal covers penetrate through the closed shell from top to bottom, and are uniformly and symmetrically distributed; a plurality of rotor wings of the multi-rotor wing body are respectively positioned inside the N seal covers, and rotary surfaces of the N rotor wings are positioned on the same plane; the control unit is used for controlling the motion of the multi-rotor wing robot. The multi-rotor wing robot solves the problem that the robot in the liquid medium is single in posture and inflexible during motion in the prior art, and can automatically float in emergency circumstances such as power failure or power shortage.

The invention relates to an on-line automatic cleaning device of an electrochemical glass electrode. At present, the cleaning of the surface of the glass electrode mainly depends on the artificial cleaning, which is not only cumbersome, but also unable to realize the continuous detection. The top part of a cleaning base of the invention is provided with an end cover, the bottom part is connected with the top part of a circular cup-shaped support, the bottom part of the support is provided with a motor, and a power output shaft of the motor is fixedly connected with a sliding sleeve. A sliding slot is slantingly arranged on the inner side wall of the sliding sleeve. A push rod penetrates a central through hole at the bottom part of the cleaning base to be arranged in the inner cavity of the sliding sleeve, the top part of the push rod is fixedly provided with a brush, the lower part of the push rod is provided with a bump, the bump is movably arranged in the sliding slot and can be moved along the sliding slot. The on-line automatic cleaning device has the advantages of simple structure and convenient realization, which can effectively remove the serious accumulated filth on the surface of the electrode and simultaneously can realize the continuous working mode of working while cleaning of the electrode.

The invention discloses a biological purification method of aquiculture waste water and a siphoning reciprocating type biological filter. The method comprises the following steps: continuously injecting waste water into a purifying cavity of the filter; discharging water through a water discharging pipeline so that the water level in the purifying cavity rises; when the water level in the purifying cavity is higher than the top of a siphoning device, generating the siphoning, discharging water outwards through the water discharging pipeline and the siphoning device together so that the water level in the purifying cavity falls; destroying and stopping the siphoning, and stopping discharging water outwards by the siphoning device; and repeating the steps. The biological purification method and the filter provided by the invention realize the automatic up and down reciprocating movement of the water level by using the siphoning principle, realize the continuous work of a single cavity, enable the relative displacement to be generated between fillers, and realize the self-purification effect; the movement of the fillers improves the mass transfer condition of nutrient substances between a solid phase and a liquid phase on the surface of a biological film, improves the efficiency of the nitration reaction, and has high removing efficiency of ammonia nitrogen and stable operation; and the invention has simple structure, low manufacturing and operating cost, small floor space and wide application range.

The invention discloses a self-closed fresh food logistics transport case. The self-closed fresh food logistics transport case comprises a case body, wherein an opening is formed in the middle of theupper end of the case body, an opening and closing door is arranged at the opening, and an air vent is formed in the upper end of the case body and positioned on one side of the opening. According tothe self-closed fresh food logistics transport case, a driving mechanism, the air vent, a sealing plate, a telescopic air bag, an elastic air bag and a permanent magnet block are arranged, when a transport vehicle runs at a high speed on a smooth road section, the air vent is opened, so that the good air permeability of the transport case is guaranteed; when the transport vehicle runs at a low speed on a bumpy road section, the air vent is sealed, so that water in the transport case is prevented from being bumped out of the case due to large-amplitude shaking, and the phenomena that the groundis wet and slippery and part of fresh food dies due to insufficient water are avoided; and when the transport vehicle runs at a low speed on the bumpy road section, the elastic air bag is carried bythe permanent magnet block to dive into the water, and air is slowly sprayed into the water under the action of water pressure, so that the oxygen supply of the fresh food in the transport case is guaranteed.

The invention discloses a glass curtain wall cleaning robot capable of automatically crossing obstacles and a using method thereof. The glass curtain wall cleaning robot comprises a window cleaner body, a movement system and a cleaning system. The movement system comprises three moving bodies and three sections of racks; each rack is of a structure shaped like a Chinese character ri and consists of two parallel long rods and three short rods which are vertically connected with the long rods, wherein the short rods are respectively arranged at two ends and the middle part of the long rod; the sizes of the three sections of racks can be the same or different, the three sections of racks are connected in series, the three sections of racks are divided into a rack I, a rack II and a rack III,the short rods at the tail ends of the rack I and the rack II are connected together through a rotating shaft, and a steering engine is arranged at one end of the shaft to form a rotating mechanism; the moving bodies are connected to a cross rod in the middle of each corresponding rack and each moving body comprises an adsorption mechanism and a moving mechanism. According to the invention, the functions of automatic corner turning and obstacle crossing between the outer walls can be achieved, the obstacle crossing process is more intelligent, the downtime and manual operation in the process are reduced, and cleaning work is completed efficiently and reliably.

The invention discloses an automatic feeding robot based on machine vision, and relates to the field of robots. The automatic feeding robot comprises a rack, a supporting plate, a transverse moving mechanism, a moving sliding table, a grabbing mechanical arm, a turnover mechanism, a visual detection mechanism, a feeding assembly and a discharging assembly. Quick feeding and discharging of productsare achieved through the turnover mechanism and the grabbing mechanical arm, compared with a traditional joint-type mechanical arm, the efficiency is significantly improved, and the error rate is low; a jacking assembly automatically ascends and descends while the grabbing mechanical arm conducts taking and placing, the products are normatively placed through a material frame, and thus later arranging is facilitated; and the appearance of the products is shot through an industrial camera based on the machine vision, and uploaded to a cloud server to be detected, compared with traditional manual naked-eye detection, the error rate is low, and the efficiency is high.

The invention relates to a pedestal pan, in particular to a pedestal pan on a wheel chair or a chair used by the handicapped. The pedestal pan comprises a seat plate, a bed pan, a pan door, a bed pan cover and a driving mechanism, wherein the pan door is matched with a pan opening; the bed pan is arranged below the pan opening; and the bed pan cover is arranged above the pan opening. The pedestal pan is characterized by further comprising a pan door and bed pan cover combination mechanism, a transmission mechanism and a pan door anti-tilting mechanism, wherein the front end of the bed pan is provided with a urine-blocking plate, and two sides of the bed pan are respectively provided with a suspension loop; the suspension loop is connected with a pothook fixedly arranged below the seat plate; the pan door and bed pan cover combination mechanism is connected with the transmission mechanism and the pan door anti-tilting mechanism; the transmission mechanism is arranged below the seat plate and is connected with the rear end of the pan door; and the transmission mechanism is connected with the driving mechanism arranged below the seat plate through a connection device. Due to the pan door and bed pan cover combination mechanism, when the driving mechanism is operated, the pan door is driven to slide backwards to be opened through the transmission mechanism, and the bed pan cover is also driven to slide backwards to be opened; due to light front part and heavy rear part of the bed pan, the urine-blocking plate on the bed pan rises automatically under the action of gravity so as to achieve the purpose of blocking urine; and the opening of the pan door and the bed pan cover is completed by one-step operation, and the urine-blocking function is realized.

The invention discloses an automatic production process of a refractory ceramic plate, and belongs to the technical field of ceramic plate production. The automatic production process comprises the following steps that 1, a formwork is automatically lifted; 2, a releasing agent is automatically bushed on the surface of the formwork; 3, a powder blank is automatically fed; 4, the powder blank is automatically smoothened; 5, the powder blank is molded into the refractory ceramic plate; 6, the refractory ceramic plate is dried and shaped; 7, the refractory ceramic plate is clamped and placed on ademoulding device; and 8, the refractory ceramic plate is automatically demoulded and discharged. According to the automatic production process, the design is ingenious, the process connection is smooth, the degree of automatic is high, the labor can be saved by more than 50%, the labor intensity of workers is greatly reduced, the production efficiency is improved by 8-10 times, and significant economic benefits are achieved.

The invention provides a lifting device for the workpiece basket of an infiltration tank. The lifting device includes a motor reducer, a universal coupling, a guide rod, a guide sleeve, a driving sprocket, a driven sprocket, a chain, and a chain transmission support frame. Workpiece basket lifting support frame. The effect of the present invention is that the lifting device of the workpiece basket in the impregnation tank, compared with the traditional non-liquid storage impregnation integrated tank, realizes that the impregnation process of the impregnated parts in the impregnation tank is 100% in a vacuum process Require. The invention can realize the automatic rising and falling of the workpiece basket in the impregnation tank, and at the same time improve the efficiency of taking out the workpiece basket, the qualified rate of impregnation can be increased by more than 5%, and the process cycle is shortened; the present invention can be used for semi-automatic impregnation equipment Automation or intelligent upgrading provides the necessary basic conditions, which can provide the necessary basic conditions for the manufacture of intelligent impregnation equipment.

The invention relates to the field of medical nursing beds, and particularly discloses an anti-falling sickbed for children. The anti-falling sickbed comprises a bed body, guardrails and a plurality of bed legs; the bed legs are vertically and fixedly mounted on the bottom surface of the bed body; the guardrails are mounted on the vertical side surfaces of the bed body; each guardrail comprises amounting rod, a limiting rod and a plurality of connecting rods; the installation rods are horizontally and fixedly installed on the vertical side face of the bed body; the limiting rods are arrangedon the installation rods in parallel; the connecting rods are arranged between the connecting rods and the installation rods; one end of each connecting rod is connected with one installation rod, andthe other end of each connecting rod is connected with one limiting rod; and a check curtain is vertically and detachably installed between every two adjacent connecting rods. According to the scheme, each check curtain can be installed between the two adjacent connecting rods, so that the gap between every two connecting rods is blocked, children are prevented from falling from the gap, and a good protection effect can be achieved.

The invention discloses a light-source-provided automatic lifting material frame suitable for a vision robot, and belongs to the technical field of vision robot system peripheral equipment. The light-source-provided automatic lifting material frame is mainly used for solving the problems that an existing material frame lacks a self-provided light source and is complex in lifting structure. The light-source-provided automatic lifting material frame is mainly characterized by comprising a material frame body, a material frame bottom plate, LED lamps, four pairs of bevel gears, LED lamp angle adjusting tools, connecting bases, four material frame base supporting columns, a material frame base fixing plate, a travel switch, a travel switch contact and a hydraulic cylinder. Four LED lamp rotating shafts, the LED lamp connecting bases, the LED lamps, the four pairs of bevel gears and the LED lamp angle adjusting tools are installed on four borders of the material frame body. The material frame base supporting columns and the hydraulic cylinder are fixed to the material frame base fixing plate. The light-source-provided automatic lifting material frame has the advantages of enabling pictures shot by a vision system to meet use requirements and enabling each layer of materials to stay at a certain position for a long time and is mainly used for the robot.

The invention relates to the field of bicycle parking devices, in particular to a rotatable bicycle parking device. The rotatable bicycle parking device comprises a bottom bearing disc, an angular contact ball bearing mounted in the middle of the bottom bearing disc, an upper bearing support, a lower bearing support and a plurality of vertical parking frames, each vertical parking frame comprisesa main body rod piece, an elastic rope and a buckle device fixed to the main body rod piece, the buckle devices are connected with the main body rod pieces through the elastic ropes and can slide up and down along the main body rod pieces, and wheel clamping devices are arranged on the buckle devices. According to the parking device, the vertical parking frames pulled by the elastic ropes are designed, automatic rising of bicycles can be achieved under traction of the elastic ropes, the space utilization rate is greatly increased by combining vertical parking of the bicycles and rotatable parking and taking of the bicycles, overall rotation of the device can be achieved through the angular contact ball bearing installed on the bottom bearing disc, and the device can be used for areas suchas wall corners and dead angles where a traditional parking mode is inconvenient.

The invention discloses a system for visually detecting the surface flaws of the small-diameter reflective spheres in batches. The system comprises a control system, a bottom plate, an alcohol tank fixedly installed on the bottom plate, and a sphere feeding unit, a sphere automatic classifying unit, a light source and visual driving unit which are controlled by the control system. A sphere lifting unit and a sphere transmission unit which are electrically connected with the control system are fixedly installed in the alcohol tank, the sphere feeding unit is communicated with the sphere lifting unit, and a detection block is arranged in the alcohol tank; a light source and visual shooting unit is suitable for moving the small spheres on the sphere lifting unit to the detection block for surface unfolding shooting and transmitting the shot pictures to the control system for analysis, meanwhile the detected small spheres are moved to the sphere transmission unit, and the output end of the sphere transmission unit is communicated with a sphere automatic classification unit. The system has the advantages of safety, reliability, continuous detection, high detection rate, high precision and the like, the cost is saved, and the system has broad markets and urgent demands in bearing sphere production enterprises.

The invention discloses a construction method applied to a lifting platform in an elevator shaft in constructional engineering. The construction method includes the following steps that a workbench iserected in the elevator shaft, the length and the width of the workbench are set according to the length and the width of the elevator shaft, and a gap is reserved between the edge of the workbench and the side wall of the elevator shaft; a supporting bracket is erected at the bottom of the workbench, and the height of the supporting bracket is larger than that of a door opening of the elevator shaft; shear keys are mounted on the lower portion of the supporting bracket, long holes for mounting of the shear keys are formed in the lower portion of the supporting bracket, and after stretching out, the bottoms of the shear keys abut against the bottom face of the door opening of the elevator shaft; and a lifting drive device is mounted between the workbench and the bottom face of the door opening of the elevator shaft, the top of the lifting drive device is fixedly connected with the bottom of the workbench, the bottom of the lifting drive device abuts against the bottom face of the dooropening of the elevator shaft, and the lifting drive device drives the workbench and the supporting bracket to vertically move in the elevator shaft up and down through telescopic motion. By means ofthe lifting platform, the erecting and lifting efficiency of an operating platform is improved.

The invention discloses a device for cleaning a ventilation cabinet used in a metal testing room. The device comprises an upper bottom face. The inner surface of the upper bottom face is provided withmultiple illuminating lamps, and the outer surface of the upper bottom face is provided with a storage battery pack. A water supply device and a drainage solenoid valve are fixed to a lower bottom face. The drainage solenoid valve is fixedly connected with a drainage pipe. A vertical rack is further fixed to the lower bottom face. The two ends of the rack are each provided with a limiting switch.An operating window is formed in the left side wall and provided with a wavelike extension body. The wavelike extension body is provided with multiple holes. Wavelike extending-and-contracting bodiesare arranged inside a housing. A glove is connected to the end of each wavelike extending-and-contracting body in a sleeving manner. The left side wall and the right side wall are each provided witha groove, wherein the grooves are used for allowing a front door to slide therein. A driving motor is fixed to the inner surface of the front door. A gear is arranged at the end of an output shaft ofthe driving motor and matched with the rack. A control panel is arranged on the outer surface of the front door and electrically connected with the storage battery pack. A drying blower is arranged ona back face. The cleaning device is high in automation degree; flexibility of an arm is enhanced; visibility is good when the cleaning device works at night; and the drying effect is good.

The invention belongs to the field of vehicles, and particularly relates to an efficient heat dissipation shared bicycle saddle which comprises a hard layer, an elastic layer is arranged in the middle of the upper surface of the hard layer, two symmetrically-arranged cavities are formed in the hard layer, through holes are formed in the two sides of the hard layer, The two inner side walls of the hard layer are rotationally connected with a plurality of strip-shaped magnets, the strip-shaped magnets extend out of the hard layer and are jointly and rotationally connected with a friction plate, two supports are fixedly connected in the cavity, the two supports are jointly and fixedly connected with a spiral coil, and a heat conduction block is fixedly connected in the cavity. And a resistance wire is embedded in the heat conduction block, the resistance wire is electrically connected with the spiral coil, and a memory spring is fixedly connected to the upper surface of the heat conduction block. The bicycle saddle has the advantages that the contact area between the saddle body and the buttocks is adjusted by arranging the memory spring, the heat dissipation efficiency is improved, the friction force on the surface of the saddle body is adjusted by vaporizing evaporated liquid, and a rider is prevented from slipping off.

The invention belongs to the technical field of thermal printers, and particularly relates to a portable high-speed thermal printer. The portable high-speed thermal printer comprises a printer body, aprinting outlet and an outlet groove. Symmetrically-distributed sliding grooves are formed in the two side walls of the outlet groove, and a sealing rod in sliding connection is arranged between thesliding grooves. Multiple symmetrically-distributed heat radiation holes are formed in the two sides of the printer body, heat radiation grooves are formed in the positions, located at the upper endsand the lower ends of the heat radiation holes, of the printer body, dustproof plates which are in sliding connection and are used for sealing the heat radiation holes are arranged in the heat radiation grooves, and connected connecting rods are arranged between the dustproof plates. A communicating hole is formed in the heat radiation groove located at the uppermost end, a connecting wire is arranged in the communicating hole, one end of the connecting wire is fixedly connected with the end of the dustproof plate in the corresponding heat radiation groove, and the other end of the connectingwire is fixedly connected with the sealing rod in the sliding grooves. The overall sealing and dustproof effect generated when the printer is not used is guaranteed, meanwhile, the heat radiation effect generated when the printer is not used is not influenced, and use is convenient.

The invention relates to the technical field of washing equipment, in particular to an automatic lifting type rotary spraying device and a washing tank comprising the same. The automatic lifting typerotary spraying device comprises a fixing pipe, a lifting pipe, a liquid inlet pipe and a rotary sprayer; the lifting pipe is sleeved with the fixing pipe and comprises a movable portion and a connection portion which are arranged from bottom to top; the pipe diameter of the movable portion is larger than that of the connection portion; a limiting part is arranged inside the fixing pipe; the liquid inlet pipe is arranged at the bottom of the fixing pipe; and the rotary sprayer is arranged on the top of the connection portion. According to the automatic lifting type rotary spraying device and the washing tank, high-pressure liquid pushes the lifting pipe out upwards, automatic ascending of the lifting pipe is achieved, after guiding of high-pressure liquid into the liquid inlet pipe is stopped, the lifting pipe falls into the fixing pipe under the function of gravity again as pressure of liquid on the lifting pipe disappears, automatic retracting of the spraying device is finished, automatic lifting of the spraying device is achieved, the space is not occupied, and operation inside a tank body is not affected.

The invention discloses a pneumatic type lightweight dynamic sounding device. The pneumatic type lightweight dynamic sounding device comprises an electric control device, a feeler lever, a supportingframe, an electromagnet seat, a penetrating hammer, a hammer pad, a compressed gas storage tank and a strong magnet piston, wherein the supporting frame is a frame body with a vertical hollow mountingshaft, the hammer pad is located at the upper end of the feeler lever, and the lower end of the mounting shaft is connected to the hammer pad. The central axis of the mounting shaft and the central axis of the sounding rod are located on the same straight line, the electromagnet seat and the penetrating hammer are movably arranged on the mounting shaft in a sleeved mode, the electromagnet seat isarranged above the penetrating hammer, the strong magnet piston is a columnar body and is located in the mounting shaft and can move up and down, the electric control device is connected with the electromagnet seat and a control valve of the compressed gas storage tank respectively, the compressed gas storage tank is communicated with the mounting shaft through a control valve, the communicationport is located below the strong magnet piston, and an exhaust port capable of being opened and closed is arranged on the mounting shaft. According to the pneumatic type lightweight dynamic sounding device, automatic ascending and free falling of a penetrating hammer is realized, the labor intensity is reduced, and standardization and standardization of operation is realized. The pneumatic type lightweight dynamic sounding device is convenient to use, time-saving and labor-saving, and high in accuracy.

The invention discloses a garden insecticide spraying device for garden seedlings. The structure of the garden insecticide spraying device comprises a moving handle, a storage bucket, a fixed frame, an automatic stirrer, auxiliary wheels, main moving wheels, a pressure pump, a spraying pipe and a storage rack, wherein two auxiliary wheels are arranged at two sides of the front end of the fixed frame in a buckling manner, and the main moving wheels are arranged at two sides of the rear end of the fixed frame respectively. The utility has the beneficial effects that the automatic stirrer arranged in the utility uses the power for driving the auxiliary wheels to rotate when the device moves, controls a stirring mechanism through a third transmission mechanism to stir in the storage bucket, and then drives a second transmission mechanism, a reset mechanism and a winding mechanism through the linkage mechanism to control a lifting control mechanism to carry out lifting control, thereby realizing lifting stirring, effectively stirring and diluting a precipitated liquid medicine again, ensuring the solubility of the insecticide, and improving the insecticidal quality.

The invention discloses an electronic atomized cigarette. An inner cavity of a shell is partitioned into a control chamber, a battery cavity, an oil storage chamber and an atomized chamber along a straight line, wherein a ceramic seat is arranged between the oil storage chamber and the atomized chamber; a seal plug with a hole is arranged between the battery cavity and the oil storage chamber; an electronic switch is provided with three control wires, namely an anode control wire, a cathode control wire and a switch control wire, and the anode control wire and the cathode control wire are correspondingly connected with an anode and a cathode of a battery respectively; an air negative pressure switch is arranged in the electronic switch and used for controlling on-off operation between the anode control wire and the switch control wire; and two leads are configured on a thermal fuse and correspondingly connected with the cathode control wire and the switch control wire respectively. By independently designing a mutual sealed four-chamber structure, the electronic atomized cigarette has hierarchy distinct performance; members of power supply, oil storage, oil production, and the like are integrally loaded, and thus the structure is compact; by adopting the electronic switch, the production of smoke can be realized according to real-time demand, and the operation is portable; and automatic rise of smoke oil along with oil guide cotton is realized by utilizing a siphon principle, thus reasonable structure and strong operability are achieved.

The invention discloses a fresh logistics transportation box, comprising a box body, the upper end of the box body is provided with a wing-shaped cover plate, and a plurality of vertically arranged limiting chutes are opened in the side wall of the box body , the limit block is slidably connected in the limit chute, the upper end of the limit block is fixedly connected with a sliding rod, the upper end of the sliding rod is arranged through the box body, and the upper ends of a plurality of the sliding rods are fixed together Connected to the lower end of the cover. In the present invention, by setting the cover plate, limit stopper, limit chute and airbag, the cover plate can be opened automatically when the transport vehicle is running at a high speed on a smooth road section, ensuring that the transport box has good air permeability, and the transport vehicle is on a bumpy road section. When driving at low speed, the cover plate is automatically closed to prevent the water body in the transport box from being knocked out of the box due to large shaking, avoiding the slippery ground and causing some fresh food to die due to lack of water.

The invention discloses a laser positioning device for an electric tower. The laser positioning device comprises a laser emitting member, a reference point inspection board and a laser inspection and positioning member arranged from front to back. Laser emitted by the laser emitting member realizes perpendicular incidence to the reference point inspection board; the reference point inspection board acquires laser rays which are reflected to a laser induction sounder through a prism arranged on the laser inspection and positioning member; and a support bar is arranged at the lower part of the laser inspection and positioning member. The laser positioning device employs the characteristic of good linearity of laser and utilizes a combination of sound and light, so long-distance accurate positioning is easily realized and efficiency is high; and the laser positioning device is simple in structure, convenient to carry, good in visibility and operability and accurate in positioning, can meet requirements of primary-level power supply departments for rapid and high-efficiency construction of lines and has good promotion and application value.

The invention relates to an iron wire cutting device, in particular to a binding iron wire cutting device based on constructional engineering. The invention aims to provide the binding iron wire cutting device based on constructional engineering, which is relatively high in safety and relatively high in efficiency. According to the technical scheme, the binding iron wire cutting device based on constructional engineering comprises a bottom plate, first supporting frames, first sliding rails, a first movable plate, a first rotating shaft, a fixing block and a blade, the first supporting frames are symmetrically arranged at the top of the bottom plate, and the first sliding rails are symmetrically arranged at the tops of the first supporting frames; a first movable plate is slidably connected between the opposite sides of the first sliding rails. According to the device, the rotating mechanism is arranged, a first rack drives a first one-way gear to rotate, then a second rotating shaft, a third movable plate and a first movable plate are driven to rotate, iron wires can be evenly cut, and the first movable plate does not need to be manually controlled to rotate.

A single tank cleaning machine, comprising a cleaning tank (1), a cleaning base (2), and a lifting filter device (3), wherein: the cleaning tank (1) is equipped with a cleaning solution (4), and the cleaning tank (1) An ultrasonic transducer (5) is installed at the bottom, and a roller (6) is installed at the bottom of the cleaning tank (1). The ultrasonic transducer (5) is externally connected to an ultrasonic power supply. While filtering the cleaning liquid, it also realizes the automatic rising of the workpiece to be cleaned, which greatly improves the service life of the cleaning liquid and greatly reduces labor costs and labor intensity.