96results about How to "Achieve decline" patented technology

The invention discloses a computer display screen with the height capable of being adjusted. The computer display screen comprises a supporting base and a display screen main body. A stand column is vertically arranged at the middle position of the top of the supporting base. A U-shaped groove is formed in one side of the stand column. Sliding grooves vertically arranged are formed in the two sidewalls of the interior of the U-shaped groove correspondingly. Rotating parts are horizontally arranged in the sliding grooves in a sliding manner. A first bevel gear is connected with a second bevelgear in a meshed manner. A rotating shaft arranged horizontally is welded to the side face of the second bevel gear. One end of the rotating shaft extends to the exterior of the supporting base, and ahandle is fixed to one end of the rotating shaft. One end of an angle adjusting mechanism is hinged to the lower portion of the back face of the display screen main body. The other end of the angle adjusting mechanism is hinged to a thread sleeve. A screw rod is sleeved with the thread sleeve in a thread manner. According to the computer display screen, a user can sit on a chair to adjust the height, operation is convenient, labor is saved, the angle adjustment can be achieved, adjusting is very convenient, and the computer display screen is suitable for popularization.

The invention discloses an adjustable food inspection workbench, which comprises a bottom plate, a supporting leg, a rotating shaft, a motor, a first internal thread sleeve, a first connecting rod, a second connecting rod, a side plate, a double-axis motor, and a threaded rod , the second internally threaded sleeve, the third connecting rod, slide rails, sliders, universal rotating shaft and test tube rack, the present invention is provided with a motor, a rotating shaft, the first internally threaded sleeve, the first connecting rod and the second connecting rod The rod, through the cooperation of the above parts, makes the roller contact or separate from the ground, which is convenient for the movement of the workbench. It is equipped with a double-axis motor, a threaded rod and a third connecting rod. The height of the workbench body can be adjusted through the cooperation of the above parts, which is convenient for different heights. It is equipped with slide rails, sliders and universal rotating shafts, and the support rod is pulled to make the sliders slide along the slide rails, which is convenient for the staff to take and place the test tubes on the test tube rack. The rotating shaft can realize the adjustment of the angle of the test tube rack.

The invention relates to a cam climbing mechanism. A motor and a speed reducer are connected and are installed on a machine frame together, an output shaft of the speed reducer is provided with a driving sprocket, a first cam shaft is installed through a bearing in a bearing bracket which is located at one end of the top of the machine frame, a first sprocket is fixed arranged on the first cam shaft, and a short chain is sleeved on the driving sprocket and the first sprocket. A second cam shaft is arranged in a bearing bracket which is located at the other end of the top of the machine frame through a bearing, a second sprocket is fixedly arranged on the second cam shaft, and a long sprocket is sleeved on the first sprocket and the second sprocket. The lifting frame is placed on the machine frame, and a limit guide mechanism which enables the lifting frame to move in a lifting mode is arranged between the lifting frame and the machine frame. Work piece supporting plates are respectively arranged at two ends of the top of the lifting frame, support wheels are respectively arranged at two ends of the bottom of the lifting frame, and support wheels which are arranged at two ends of the bottom of the lifting frame are respectively arranged on an eccentric cam of the first cam shaft and an eccentric cam of the second cam shaft. The cam climbing mechanism has the advantages of being reasonable in structure, capable of achieving stable ejecting or descending of a tool support, constant in journey, safe and reliable.

A high-rise and ultra-high-rise climbing-type fire fighting rescue system comprises a fire fighting operation platform, a rescue device, a climbing system, a machine frame and a driving system. The fire fighting operation platform is located on the upper portion of the whole system, the rescue device is of a box body structure, and the climbing system is connected with the machine frame. A power system is arranged inside the high-rise and ultra-high-rise climbing-type fire fighting rescue system, an inner combustion engine can be used for supplying power and hydraulic double-power output without the help of external force, a fire fighter operates the climbing system to drive the whole fire fighting rescue system to climb up and down along the outer wall of a building, the fire fighting rescue system can quickly and effectively enter a fire area, where a ground device cannot reach, of the high-rise building, fire fighting work can be completed, and personnel trapped in the high-rise building can be rescued. The high-rise and ultra-high-rise climbing-type fire fighting rescue system aims to solve the fire fighting rescue problems of high-rise buildings and ultra-high-rise buildings, the high-rise and ultra-high-rise fire fighting rescue system is studied, therefore, the blank of high-rise fire fighting equipment is filled, the urgent needs for a fire fighting rescue system for the high-rise buildings and the ultra-high-rise buildings are met, and the high-rise and ultra-high-rise climbing-type fire fighting rescue system is significant for protecting life and property safety of people.

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 a multifunctional fire truck and a fire-fighting control method, belongs to the technical field of fire-fighting equipment, and solves the technical problem that the existing fire-fighting equipment cannot carry a large-scale fire-fighting unmanned aerial vehicle, does not have a ground detecting function, and has a slow rescue speed. The multifunctional fire truck comprises a truck body and a carriage, wherein a supporting plate is arranged in the carriage; an unmanned aerial vehicle base and a bomb carrier are respectively arranged above and below the supporting plate; the unmanned aerial vehicle base is used for bearing and fixing a fire-fighting unmanned aerial vehicle; the bomb carrier is used for supporting a fire-fighting bomb; and an automatic lifting device is arranged between the supporting plate and the bomb carrier and is used for automatically lifting the unmanned aerial vehicle. The multifunctional fire truck is designed and developed to mainly aim at a large-load fire-fighting unmanned aerial vehicle in the urban environment, has high space utilization rate, fast system deployment speed and complete functions, and can improve the rescue and disposal efficiency of high-rise building fires in the urban environment.

The invention provides an underwater robot which comprises a robot body. A control bin is arranged in the robot body, parallel horizontal propellers are horizontally arranged on the left side and the right side of the robot body respectively, the robot body is fixedly connected with the horizontal propellers through a fixing frame which is perpendicularly provided with perpendicular propellers, the perpendicular propellers are symmetrically distributed on the two sides of the robot body, therefore, by means of the horizontal propellers and the perpendicular propellers, complex moving actions such as ascending, descending, forward moving and rotating of the underwater robot can be achieved, and the flexibility and the maneuverability of underwater moving are improved.

The invention discloses a dustbin buried underground. The dustbin comprises an outer box which is buried underground, a hydraulic pushing rod driven by a hydraulic pump is arranged in the outer box, an inner box is connected to the hydraulic pushing rod, a dustbin body is arranged in the inner box in a sliding connection mode, two dustbin bases which are movably connected are arranged at the bottom of the dustbin body, a cover plate is further connected to the inner box, the opening of the outer box can be covered with the cover plate in a sealed mode, a filter is further arranged on one side of the outer box, and a gas exhauster is arranged at the bottom of the outer box and connected with the filter through a gas exhausting pipe. The dustbin is simple in structure and convenient to use, the dustbin body can be sealed underground so that the phenomenon that harmful gas emitted by rubbish is spread into air can be reduced, the filter can be utilized for purifying and filtering the volatile harmful gas, and therefore harm of the harmful gas is further reduced.

The invention relates to the technical field of hoisting devices and particularly relates to a stepping type hoisting platform. The stepping type hoisting platform comprises a working table board, positioning locks, a moving bracket, a pedal, a pedal bracket, a steel cable, a supporting framework, a steel cable connector, crosspieces, a pulley, a resetting spring and a table board bracket, the platform is characterized in that the supporting framework is provided with the plurality of crosspieces; the table board bracket is sleeved on the supporting framework; the moving bracket is mounted in the table board bracket and is sleeved on the supporting framework; the working table board is fixedly connected with the table board bracket; the working table board is provided with a first positioning block and the moving bracket is arranged above the working table board; the moving bracket is provided with a second positioning lock; one end of the resetting spring is connected with the bottom of the moving bracket; the pedal is arranged between the moving bracket and the working table board. Compared with the prior art, the stepping type hoisting platform has the advantages of simple structure, low construction cost, accordance with human engineering, capability of meeting the requirements of different working types, high safety, light weight, convenience for carrying, high working efficiency and convenience for installation.

The invention relates to an industrial fire-fighting robot with a lifting object table. A first lifting rod arranged on a first sliding block and a second lifting rod arranged on a second sliding block are adopted and hinged to each other, the first lifting rod is hinged to a third sliding block slidably arranged on the object table, the second lifting rod is hinged to a fourth sliding block slidably arranged on the object table, and the first sliding block and the second sliding block are pushed by a motor and a two-way screw rod to move back to back or face to face, so that the object table ascends or descends, and by adopting the motor and the screw rod for driving, the driving force is high. A first supporting rod and a second supporting rod are supported at the two ends of the object table correspondingly and achieve the dual supporting effect together with the first lifting rod and the second lifting rod, and accordingly the object table can bear heavy fire-fighting tools. The first supporting rod and the second supporting rod can be taken up through cooperation of a first suction cup and a first knocking rod and cooperation of the first suction cup and a second knocking rod correspondingly. The object table can ascend and descend, so that a firefighter does not need to bend to take the fire-fighting tools in the use process, the labor intensity of the firefighter is relieved, and the fire-fighting efficiency is improved.

The invention relates to a multifunctional electric sickbed. The multifunctional electric sickbed comprises a bed board, a bed frame and wheels. The bed board comprises a lying part, a backrest part and a supporting leg part, wherein the backrest part and the supporting leg part are arranged at the two ends of the lying part in a rotating and adjusting mode. The multifunctional electric sickbed further comprises a first adjusting mechanism, a second adjusting mechanism and a third adjusting mechanism, wherein the first adjusting mechanism and the second adjusting mechanism are used for adjusting one end of the backrest part and one end of the supporting leg part to ascend or descend; the third adjusting mechanism adjusts the bed board to ascend or descend. Particularly, the bed frame can be movably arranged in the height direction of the bed frame, the third adjusting mechanism comprises two lifting units, the two lifting units are arranged at the two ends of the bed frame and are independent of each other, and the two lifting units can lift or lower the two ends of the bed board synchronously or asynchronously. The multifunctional electric sickbed can meet the inclination requirement that the head of a patient is lower than the feet or the head is higher than the feet after an operation, the curing effect is improved, and sequelae of the patient after the operation are avoided. Meanwhile, the multifunctional electric sickbed is simple in structure, convenient to implement, low in manufacturing price and practical.

The invention discloses a rehabilitation walking training vehicle with a standing-assisting function. During movement, a controller drives a motor I to rotate clockwise, the motor I drives a trapezoidal lead screw to rotate through a coupler, then the trapezoidal lead screw drives a lifting nut to rise along the axial direction, the lifting nut pushes a triangular plate to move, the triangular plate rotates around one end of a rack, further, a cushion and a cushion frame can rotate around one end of the rack, and thus a pushing rod is driven to move. When the lifting nut moves to the limiting position, the cushion is lifted to the highest position, and a panel is lifted to the final state. When the motor I rotates anticlockwise, the whole mechanism contracts and recovers the initial state. The rehabilitation walking training vehicle has the stand-assisting and walking-replacing functions, so that the various living demands of the disabled having difficulty in moving are greatly facilitated, and through the controller, the functions including moving, steering, lifting and like of the rehabilitation walking training vehicle can be realized.

The invention provides a free hook-dropping hydraulic system of a crane and the crane comprising the hydraulic system. The hydraulic system comprises a hydraulic oil delivery pump, a first working oilway unit used for controlling a speed reducer clutch, a second working oil way unit used for controlling a speed reducer brake, and a third working oil way unit used for controlling a hydraulic motorto execute rising and falling actions. The third working oil way unit outputs pilot control signals to interfere in control of the first working oil way unit and the second working oil way unit whilecontrolling the hydraulic motor to execute the rising and falling actions, switching can be rapidly conducted in the free hook dropping mode so that rising and falling of a winch can be achieved, anda series of tedious operations such as working mode switching are not needed. By means of the hydraulic system and the crane, the previous control mode is fundamentally changed, the work efficiency and reliability are effectively improved, and various working condition requirements of multifunctional vehicle types can be met.

The invention discloses a high-rise building emergency evacuation rescue control speed slow descent device and method. The device comprises an automatic slow descent device fixed to a building and a rope reel matched with the automatic slow descent device through a winding safety rope; an auxiliary safety rope is fixedly arranged at the position, beside the automatic slow descent device, of the building, and a manual slow descent device is arranged on the winding safety rope and the auxiliary safety rope in a sliding manner. The method comprises the steps of firstly, high-rise building emergency evacuation preparation; secondly, manual slow descent device mounting; thirdly, rope reel starting; fourthly, control speed slow descent of escape personnel; fifthly, landing unbundling of the escape personnel; sixthly, resetting of the rope reel. The descent speed of the escape personnel can be automatically adjusted, manual deceleration brake is achieved, the device can be repeatedly used, operation is easy, safety and reliability are achieved, and complex and long-term training is avoided.

The invention provides a multifunctional table capable of doing revolution and autorotation. The multifunctional table mainly comprises a table plate, a base, a revolution device and an autorotation device, and is characterized in that dinner plates on the table can do regular slow autorotation during the revolution. The revolution of the diner dishes on the multifunctional table is realized through the revolution device; the autorotation of the diner dishes on the multifunctional table is realized through the autorotation device; the power driving and the flat panel television hiding can be realized through an H-shaped rotating support frame; through a servo motor, an ascending and descending gear and a rack, the ascending or the descending of a flat panel television is realized; and through a rotating frame A and a rotating gear A with the same tooth number, the slow regular autorotation of the diner dishes can be realized.

The invention relates to a floor tile seam beautifying machine, and belongs to the field of home decoration tools. The floor tile seam beautifying machine is composed of a lifting mechanism, a translation mechanism, a material extrusion mechanism, a seam cleaning mechanism, a vacuum cleaner, a seam pressing mechanism and a base plate walking mechanism; the material extrusion mechanism and the lifting mechanism are connected by bolts; the lifting mechanism is welded to the upper part of the translation mechanism, and the translation mechanism is welded to the upper part of the base plate walking mechanism; and the seam cleaning mechanism is fixed to the front end of the base plate walking mechanism by bolts, the vacuum cleaner is fixed to the rear side of the seam cleaning mechanism by screws, and the seam pressing mechanism is fixed to the rearmost end of the base plate walking device by bolts. According to the floor tile seam beautifying machine, the operation is easy, the size is compact, four processes of seam cleaning, dust absorbing, seam beautifying and seam pressing are combined together, the seam beautifying can be carried out precisely, the efficiency of seam beautifying personnel can be improved, the labor force is reduced, and the labor intensity of workers is reduced.

The invention relates to ground transportation equipment and discloses an electric transporter. The electric transporter comprises a machine body, an electrical system arranged in the machine body, a driving assembly connected with the machine body, and an operation handle connected with the driving assembly in a controlling mode. The machine body comprises an engine body, a pallet fork arranged at the rear end of the engine body, a driven wheel set arranged at the lower end of the pallet fork and a connecting rod assembly used for fixing the driven wheel set to the engine body. The driving assembly is arranged at the front end of the engine body, is transversely fixed to the engine body and is longitudinally connected with the engine body in a sliding mode, a hydraulic system is further arranged between the driving assembly and the engine body, the driven wheel set is hinged to the connecting rod assembly, the front end of the connecting rod assembly is hinged to the driving assembly, and the connecting rod assembly turns upwards along the hinge position and the driven wheel set rotates around the hinge position when the engine body is driven by the hydraulic system to be longitudinally adjusted relative to the driving assembly. The electric transporter is reasonable and stable in structure, force is evenly borne by the pallet fork, and the hydraulic system is not prone to damage.

The invention relates to the field of food processing machinery and discloses a roll forming mechanism of dried soybean milk film rolls. The mechanism comprises a soybean milk pot and rolling rods, wherein V-shaped inclined surfaces are arranged at both sides of the soybean milk pot; belts are arranged above the V-shaped inclined surfaces; a track for the movement of the rolling rods is formed by the belts and the V-shaped inclined surfaces; rotating shafts are arranged at two ends of the soybean milk pot; and the belts are arranged between the two rotating shafts through belt wheels. According to the technical scheme, the rolling rods are pressed by mechanized means instead of a manual mean in the rolling process, so that the rolling efficiency and the yield of the dried soybean milk film rolls are increased; and the traditional operation way of manually pressing the rolling rods into the soybean milk is replaced, the rolling rods are in more full contact with the soybean milk film, the rolling is more compact and the taste of the dried soybean milk film rolls is better.

The invention relates to the technical field of aluminum profile production, in particular to an aluminum profile automatic framing system. The aluminum profile automatic framing system comprises an automatic shear gauge, a longitudinal lifting conveying frame, a transverse conveying frame, a division bar arrangement machine, a material frame entering and exiting conveying frame and a division barpickup mechanical arm, wherein the head end of the longitudinal lifting conveying frame is fixedly connected to the tail end of the automatic shear gauge; the right side of the transverse conveying frame is fixedly connected to the left side of the automatic shear gauge; the tail end of the division bar arrangement machine is fixedly connected to the tail end of the transverse conveying frame; the material frame entering and exiting conveying frame is placed at the tail end of the division bar arrangement machine; and the division bar pickup mechanical arm is located above the transverse conveying frame, the division bar arrangement machine and the material frame entering and exiting conveying frame. The aluminum profile automatic framing system puts rows of aluminum profiles integrally into the material frame, sends out the material frame after completion, has the effect of automatically framing the aluminum profiles, effectively reduces the labor force of workers, improves the workefficiency, is convenient to popularize and use, and meanwhile can effectively protect the aluminum profiles from being damaged during transport.

The invention relates to a boat deck pillar, which comprises a base, a plurality sections of supporting pipes, an oil cylinder and a pump body. The supporting pipes sleeve mutually, a sealing structure is arranged between every two supporting pipes, the supporting pipes are filled with hydraulic oil, the oil cylinder is arranged on the base, a conducting oil channel is arranged between the oil cylinder and the supporting pipes, the pump body for controlling on-off of the conducting oil channel is arranged on the conducting oil channel, a movable supporting plate is arranged at the upper end ofthe supporting pipe on the innermost side, and a ball journal is arranged at the bottom of the movable supporting plate, a spherical holding cavity covering the ball journal is formed in the corresponding supporting pipe, the supporting pipes are circumferentially provided with eye plates, the eye plates of multiple boat deck pillars form a well-shaped pillar array through connecting rods, the pump body is used for controlling the oil pressure in the supporting pipes, so as to realize ascending or descending of the supporting pipes, the pump body is used for realizing stepless adjustment of the heights of the supporting pipes, and supporting of different hulls is met; and connection among the eye plates can be used for forming the array, and through height adjustment of the supporting pipes of the corresponding positions, adaptive hull arbitrary curved surface is achieved.

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 height-adjustable vertical education machine. The education machine comprises a supporting frame, an operation panel, a lifting device, a controller and a power module. The operation panel is fixedly connected with the upper portion of the supporting frame through a connecting support. The lifting device is arranged on the supporting frame. The lifting device comprises a base. A driving motor is fixedly arranged on the base. An output shaft of the driving motor is connected with a driving worm. The driving worm is engaged with a worm gear. The worm gear and a first cylindrical gear are in key connection to conduct driving. The worm gear and the first cylindrical gear are rotatably fixed to a center shaft. The center shaft is perpendicularly fixed to the upper surface of the base. The first cylindrical gear is arranged under the worm gear. A second cylindrical gear is engaged and connected with the first cylindrical gear. The height of the supporting frame can be adjusted through up-down movement of the lifting device. Accordingly, the height-adjustable vertical education machine provided by the invention can be used by users of different heights, and is convenient to adjust and easy to operate.

The invention discloses a ratchet wheel control mechanism of a pipe washing impoundment door. The ratchet wheel control mechanism comprises the impoundment door, a floating barrel, a water level adjusting mechanism and an impoundment door control mechanism. The impoundment door is connected with the impoundment door control mechanism through two parallel first support connecting rods, and the floating barrel is connected with the first support connecting rods and second support connecting rods through two parallel suspenders. The water level adjusting mechanism drives the impoundment door control mechanism through floating force of the water level during rising and dropping. According to the ratchet wheel control mechanism of the pipe washing impoundment door, the impoundment door is controlled through the pure mechanical ratchet wheel control mechanism, and the floating force of water serves as driving force to be used in cooperation with the ratchet wheel control mechanism to achieve the no-man control blocking-water storage-pipe washing process on a blow-off line. in addition, compared with electric control, the manufacturing cost of the ratchet wheel control mechanism is low, operation is safe and reliable, manual operation is not needed, and outside input energy resources are not needed.

The invention discloses telescopic lever hoisting equipment. The telescopic lever hoisting equipment adopts three-stage telescopic jib structure, wherein the telescopic sleeve on the outermost side isconnected with a hoisting column through a hinge pin, which is the sole fixed part in the jib system; the telescopic jib on the inner side is driven by a second hydraulic cylinder, the telescopic jibon the outer side is driven by a third hydraulic cylinder, a first hydraulic cylinder is connected with the telescopic sleeve on the outermost side through the hinge pin, and the inclination angle ofa telescopic lever structure is adjusted under driving of the first hydraulic cylinder, so that goods are ascended and descended. The telescopic lever hoisting equipment can be applied to almost allhoisting occasions, can be fixed on a certain work plane to serve as fixed hoisting equipment or can be used as movable hoisting equipment supported by certain movable equipment. The problem that large hoisting equipment cannot be carried and the goods are needed to be carried manually due to environmental space and other factors in the prior art are solved.

The invention discloses an adhesive-free type lipstick packaging pipe which comprises a bottom cover and a median bundle core arranged in the bottom cover, wherein the median bundle core comprises a median bundle and a median segment which are mutually fixed, a helix rotatably arranged in the median bundle in a penetrating manner, and a bead positioned in the median bundle and driven by the helix to axially slide, matched rotary linkage parts are arranged between the periphery of the helix and the inner wall of the bottom cover, matched axial drop-preventing parts are arranged between the periphery of the median bundle core and the inner wall of the bottom wall, the bottom cover comprises an inner bottom cover and an outer bottom cover, matched clamping structures are arranged between the inner bottom cover and the bottom of the outer bottom cover, and a welding groove matched with the upper end part of the outer bottom cover is formed in the inner bottom cover. According to the adhesive-free type lipstick packaging pipe, the median bundle core is connected with the inner bottom cover and the inner bottom cover is connected with the outer bottom cover by adopting a mechanical or welding manner, and an adhesive connection manner in the conventional process is replaced, so that the adhesive-free type lipstick packaging pipe is simply produced and assembled, and the manufacturing cost is reduced.

The invention relates to the technical field of vegetable planting racks, in particular to a height-adjustable vegetable planting rack. The height-adjustable vegetable planting rack comprises a bottomplate, a motor is fixedly connected to one side of a box which is fixedly connected to the upper surface of the bottom plate, and one end of an output shaft of the motor penetrates the box and is rotationally connected with a bidirectional screw rod. Two sides of the outer surface of the bidirectional screw rod are in threaded connection with moving blocks respectively, slide sleeves are fixedlyconnected to lower ends of the two moving blocks respectively, and a guide rod is fixedly connected to the inner lower portion of the box. Connecting rods are hinged to two sides of the upper surfaceof each of the moving blocks, a planting plate is connected to upper ends of the four connecting rods, and a plurality of planting pots are uniformly placed on the upper surface of the planting plate.Mounting rods are fixedly connected to four corners of the upper surface of the planting plate respectively, and a humidifying mechanism is fixedly connected to upper ends of the four mounting rods and positioned above the multiple planting pots. The height-adjustable vegetable planting rack has advantages of simplicity in adjusting operation, convenience in use and high practicality.

The invention relates to the technical field of injection mold production, and specifically relates to a hoisting method for an injection mold. The hoisting method is realized on the basis of hoistingequipment; the hoisting equipment comprises a hoisting mechanism, a portal frame, a travelling mechanism and a position adjustment mechanism; the portal frame comprises a top plate and two side plates arranged at an interval; the top plate is horizontally arranged at the tops of the two side plates; a horizontally-arranged bearing plate is arranged between the two side plates; the bearing plate is of a cuboid structure; the position adjustment mechanism is arranged at the top of the bearing plate; and the hoisting mechanism comprises an anti-swing assembly, a hoisting assembly and a horizontally-arranged lifting plate. The hoisting method disclosed by the invention has the following beneficial effects: the hoisted injection mold is enabled to move in the length direction of a slide rail through a transfer assembly, so as to be adjusted to reach a proper position; and moreover, clamping working can be carried out on the hoisted injection mold through the anti-swing assembly, so that influence brought to the hoisting working of workers by the swing of the injection mold in air, is avoided.

The invention provides a distribution network tool lifting device, and relates to the technical field of transformation and distribution network research and development accessories. The distributionnetwork tool lifting device comprises a main frame, a carrying plate and a driving element, wherein the carrying plate is glidingly connected with the main frame, and the driving element is used for driving the carrying plate to slide; the main frame is provided with vertical guide rails along the vertical direction; the carrying plate slides in a manner of reciprocating along the vertical guide rails; and the carrying plate is used for holding workpieces. The technical problem that maintenance personnel is inconvenient to operate due to relatively high height when workpieces are put in a toolcabinet on a relatively high rise in the prior art is relieved.

The invention discloses an anti-falling hanging device which comprises a frame body. A vertical plate is fixedly connected to the lower side wall of the frame body, a motor and a guide roller are fixed to the upper side wall of the frame body, a steel wire rope that bypasses the guide roller and penetrates through the frame body to extend to the lower side of the guide roller is fixed to the driving end of the motor, a hanging ring is fixed to the lower end of the steel wire rope, a collecting tube is fixedly arranged on the upper side wall of the frame body in an embedded mode, an abutment rod is arranged in the collecting tube in an inserted mode, a telescopic spring is fixed between the lower end of the abutment rod and the inner bottom wall of the collecting tube, and a squeezing wheelI is fixed to the upper end of the abutment rod. The falling speed is slowed down by pressing the squeezing wheel I and a squeezing wheel II when the steel wire rope is broken, an electromagnet plateis connected with an external power source at the same time to generate magnetism to push a magnet block to rotate towards a notch to enable an inclined plate to be clamped in the notch to prevent further sliding, hanging items are prevented from falling and breaking, and the safety of the items is ensured.

The invention provides a portable outdoor overhaul room which comprises supporting rods and transverse rods. The supporting rods and the transverse rods can stretch and retract and be fixed. Electric lifters are arranged at the bottoms of the supporting rods. The supporting rods are controlled by the electric lifters to stretch and retract. When ascending to specific positions, the supporting rods can be fixedly kept. One end of each top frame is fixed to the top of the corresponding supporting rod, the other ends of the top frames are gathered and connected to the same end to form a roof, the gathered end is high, and accordingly the roof is conical and can prevent accumulated water. A cover is arranged on the outer side of the roof which can prevent rain. A zipper door is arranged on the cover. The supporting rods, the transverse rods and the top frames can stretch and retract, so that the size of the room is small after the room is finally folded. The electric lifters are arranged at the bottoms of the supporting rods so that the supporting rods can ascend and descend conveniently, and the height of the supporting rods is adjusted. The length of the supporting rods, the transverse rods and the top frames can be adjusted according to actual field environments, the requirement for open-air work in field conditions can be met, and workers can be well protected.