42results about How to "Effortless lifting" patented technology

Provided is an office desk with a lifting desk board and a hand guard board. A first side of an office desktop is provided with at least one first hole for mounting a lifting rod. A lifting desk board is arranged on the office desktop. The bottom surface of the lifting desk board is connected to the lifting rod. The outer wall of the lifting rod is axially provided with a plurality of positioning units. The second side of the office desktop is provided with a U-shaped opening. A hand guard board is mounted in the U-shaped opening. According to the office desk with the lifting desk board and the hand guard board, the lifting height of the lifting desk board can be adjusted freely to meet requirements of users of different height, the lifting desk board can be additionally mounted with a pneumatic rod support device to lift with less effort, and the angle of the hand guard board can be adjusted, so that a user can control a mouse by hand in comfortable back-leaning sitting posture for protecting the eyesight and the healthy of a wrist.

The invention aims to provide an engine type generator, which is reliable and convenient for carrying and moving in a labor-saving way and is used for reinforcing an entire machine. The engine type generator comprises an engine, a chassis and a pull rod, wherein the generator is driven by using the engine; two wheels are set as movable pieces of the chassis; the pull rod is used for driving the generator to move in cooperation with the wheels; and a frame is arranged in the chassis.

The invention discloses a bed board turning assisting device of a nursing sickbed. A fixed seat is fixed to the end of a bed body at two ends of a movable bed board; the lower ends of swing rods at two ends of the movable bed board are hinged on the fixed seat via front fixed rotating shafts; a front clamping pillar and a rear clamping pillar are arranged in the middle and at the back of two endsof the movable bed board; a front clamping seat is clamped at the lower side of the front clamping pillar, and a rear clamping seat is clamped at the lower side of the rear clamping pillar; and an assisting air cylinder is each arranged at two sides of the movable bed board. According to the turning assisting device provided by the invention, a patient on the sickbed can be rapidly transferred onto a detection equipment platform and the patient on the detection equipment platform can be transferred onto the sickbed. Under the actions of swinging and the assisting air cylinders, the patient canbe transferred by one person. The turning assisting device is simple to use, easy for manufacturing and cooperated use and suitable for promotion and application.

The invention belongs to the field of large steel pipe carrying, and particularly relates to a large steel pipe temporary transfer device for a building. The large steel pipe temporary transfer devicecomprises a portal frame, a holding plate A, a holding plate B, a worm, a worm gear and the like, wherein a moving device is arranged on the portal frame. The device only acts on one end of a large steel pipe, is smaller in size and lighter in weight, and is convenient to operate and is free to steer, so that the device occupies the smaller space, and is convenient to store after being used. In addition, after the large steel pipe is completely wrapped by the holding plate A, the two ends of the holding plate A are equal to the overlapped parts of the portal respectively, so that the two endsof the holding plate A are stressed uniformly, and the large steel pipe is effectively supported. According to the structure, the embracing plate A is not prone to deformation after being pressed bythe large steel pipe for a long time, the service life of the embracing plate A is prolonged, and the maintenance cost of the equipment is reduced.

The invention discloses a low-loss environmental-friendly preprinted sheet upward production line and a production process thereof. The low-loss environmental-friendly preprinted sheet upward production line structurally comprises a corrugated paper forming part, a preprinted sheet and corrugated paper conveying section and a double-faced machine, wherein the double-faced machine comprises a fronthot plate conveying part, a ventilating heating transition section and a back conveying part, heat sources are arranged on the upper and lower sides of a ventilating heating channel of the ventilating heating transition section, a plurality of rollers which are used for preventing the printing layer on the outer surface of a preprinted sheet from being scraped are arranged on the upper side of the ventilating heating channel, and ventilating clearances are formed between the rollers; when the preprinted sheet and corrugated paper on a preprinted sheet frame enter the double-faced machine, theprinting layer of the preprinted sheet is upward and synchronously moves together with the front hot plate conveying part, the rollers and the back conveying part so as to prevent from being scraped.According to the corrugated paper production line, the preprinted sheet frame approaches to the inlet end of the double-faced machine, so that the waste of the preprinted sheet is reduced; additionally, the printing layer of the preprinted sheet is upward, so that the printing layer can synchronously moves together with the conveying component of the double-faced machine, the abrasion is avoided,and the loss caused by scraping is reduced.

The invention discloses a multifunctional forge piece overturning auxiliary device. The device comprises an anti-skid base, wherein a rotating column is rotationally arranged in the upper end face of the anti-skid base; a fixed base plate is fixedly arranged on the upper end face of the rotating column; rotary connecting columns are fixedly arranged at the front side and the rear side of the upper end face of the fixed base plate correspondingly; rotary drum shafts are rotationally arranged in the rear end face of the rotary connecting column at the front side and the front end face of the rotary connecting column at the rear side correspondingly; a rotary drum is fixedly arranged between the rotary drum shafts at the front side and the rear side; a rotating rod cavity is arranged in the rotary drum in a left-right penetrating mode; and a rotating rod is arranged in the rotating rod cavity in a left-right sliding mode. According to the device, a forge worker can achieve moving, overturning and the like of a forge piece through simple operation, forge piece lifting is more labor-saving based on the lever principle, a motor is used for assisting in overturning the forge piece, meanwhile, the device is provided with an anti-skid structure, and accidents caused by sliding due to the weight of the forge piece in the operation process are avoided.

The invention discloses an ancient building stone carving culture environment-friendly carving device and process. The ancient building stone carving culture environment-friendly carving device comprises a carving machine base and a carving assembly installed at the top of the carving machine base, the bending section of the carving machine base is of a U-shaped structure, four supporting side plates which are distributed in a rectangular array mode are arranged on the inner side of the carving machine base, a vehicle frame is arranged on the upper parts of the four supporting side plates, andthe bottom of the vehicle frame is fixedly connected with the four supporting side plates through four connecting columns. According to the ancient building stone carving culture environment-friendlycarving device and process, firstly, a combined structure is adopted, the mechanism for feeding and discharging a stone tablet and the carving machine base are of a combined structure, a rolling typestone tablet ascending and descending mechanism is adopted, intervention of other hoisting mechanisms is not needed, energy consumption is reduced, labor is saved during stone tablet ascending and descending, and the stone tablet ascending and descending convenience and environmental friendliness are improved; and an electromagnetic locking mechanism is adopted, so that the stone tablet fixing efficiency is improved on the premise that the stone tablet feeding and discharging mechanism and the carving machine base are of a combined structure.

The invention discloses a tractor, and belongs to the technical field of agricultural machinery manufacture. The tractor comprises a tractor body, the tractor body comprises a front axle, a rear axleand a pull rod mounting device. A leaf cutting device is arranged at the front end of the tractor body and comprises a supporting frame, a cutter shaft and a plurality of cutters, the cutter shaft isdriven to rotate by a hydraulic motor, the cutters are vertically and spirally arranged and mounted on the cutter shaft, the pull rod mounting device is hinged onto a gearbox and provided with a lifting rod and a push-pull rod hinged to the lifting rod, the push-pull rod is hinged to a hydraulic cylinder mounted on the gearbox, the back of the pull rod mounting device is connected with a tillage hanger, a subsoiler, a rotary blade, a soil pulverizing wheel and a furrow opener are sequentially arranged on the lower portion of the tillage hanger along the walking direction of the rotary blade, and a fertilizer box and a seed box are arranged at the top of the tillage hanger. The tractor can solve the problem of low operation efficiency caused by low output torque and single function of an existing tractor.

The invention discloses a device for replacing an upper carrier roller, which comprises a supporting assembly, a supporting assembly and a supporting assembly, the supporting assembly comprises a supporting rod and a connecting seat, and the connecting seat is rotatably connected to the top of the supporting rod; the tilting rod assembly comprises a pressure lever handle, a supporting arm and a supporting plate, the pressure lever handle is connected with the supporting arm, the supporting plate is arranged at the top of the supporting arm, and the tilting rod assembly is rotationally installed in the connecting base. According to the carrier roller replacing device, the horizontal carrier roller and the inclined carrier roller can be replaced, the adhesive tape can be lifted in a more labor-saving mode through the pressure lever handle, the contact area between the supporting plate and the adhesive tape is increased, and the adhesive tape is prevented from being damaged in the adhesive tape lifting process.

The invention belongs to the technical field of stereoscopic garages and particularly relates to a double-layer semi-automatic modular non-motor vehicle parking device. The parking device comprises supporting frames, an upper-layer parking frame, a lower-layer parking space and a parallel four-bar device. The supporting frames which are horizontally symmetric are fixed to the ground, the upper-layer parking frame is located between the supporting frames which are hinged to the two sides of the upper-layer parking frame through the parallel four-bar device respectively, the parallel four-bar device is used for achieving semi-automatic ascending or descending of the upper-layer parking frame through initial manual lifting or pulling down, the space under the upper-layer parking frame is adopted as the lower-layer parking space, the upper-layer parking frame bypasses the lower-layer parking space in the ascending or descending process, and parking on an upper layer and parking on a lowerlayer do not interfere with each other. According to the double-layer semi-automatic modular non-motor vehicle parking device, there is no need to add an energy device, an oblique upward or downward force is applied to vehicle baskets when he parking device is used, and when the component force of pneumatic springs in the vertical direction is greater than the gravity of the vehicle baskets or thereceived force of the vehicle baskets is greater than the component force of the pneumatic springs in the vertical direction, the vehicle baskets automatically ascend or automatically descend to self-locking positions.

The invention discloses branch pruning equipment used for garden maintenance. The branch pruning equipment comprises a transmission power box and a motor power box, wherein the end surface of the upper end of the motor power box is connected with the transmission power box; the end hole of the front end of the transmission power box is connected with a bottom fixing saw web; the end surface of theupper end of the bottom fixing saw web is connected with a reciprocating saw web on the end hole of the front end of the transmission power box; and the end surface of the lower end of the bottom fixing saw web is connected with a front lifting device. The branch pruning equipment is provided with the lifting device consisting of a protection bulge, fixed bolt holes, a movable fixing plate, a lifting supporting plate, connecting bolts, an upper fixed connecting plate and a lifting handle, wherein the movable fixing plate can be favorably fixed on the surfaces of the fixed bolt holes on properpositions through connecting bolts, the fixed bolt holes on different positions can favorably regulate the position of the fixing plate according to requirements of a user, so that a user can successfully grip the lifting handle, and a pruning process is guaranteed to be successful.

The invention discloses a defect detection workbench for aviation part production, and relates to the technical field of detection workbenches, the defect detection workbench comprises a table plate, support legs are arranged at four corners of the bottom surface of the table plate, a receiving hopper is arranged below the left side of the table plate, and a groove is formed in the left side of the table plate. Through mutual cooperation of a retarding motor, a roller, a conveying belt, a workbench, a first rotating shaft, an inclined panel and a material receiving hopper, the conveying belt can be controlled to rotate through a control switch, parts are sequentially placed on the upper surface of the workbench, and the workbench rotates with the first rotating shaft as the axis by rotating the workbench; the parts on the workbench are inspected, after defective products appear, the defective products are pushed to the left side, so that the parts fall on the conveying belt through the inclined face of the inclined face plate, the parts are driven to fall into the receiving hopper through rotation of the conveying belt, limb movement in the working process is avoided, the labor intensity is reduced, and the working efficiency is improved.

The invention discloses a cable trench cover plate opening tool, and relates to the field of power distribution operation and maintenance. The cable trench cover plate opening tool is characterized inthat a support mechanism is fixed to a moving mechanism; a suspension mechanism is fixed to the support mechanism; an adjusting mechanism is mounted on the suspension mechanism; a lever mechanism issuspended at the tail end of the suspension mechanism; and a lifting mechanism is clamped on the lever mechanism. According to the cable trench cover plate opening tool disclosed by the invention, a device is moved through the moving mechanism, so that labor force is saved; the cable trench cover plate opening tool can enter a narrow area, and has high universality; the height of a connector and the height of a hook can be adjusted in a suspension manner through the adjusting mechanism, so that the cable trench cover plate opening tool has a plurality of working modes, and is easy to operate,rapid in adjustment, and firm in fixation; the lever mechanism can be suspended through the suspension mechanism, lifting of a cover plate is more labor-saving according to the lever principle, and workers can set different lever ratios as required through four or more fixing rings, so that the cable trench cover plate opening tool has high adaptability, and can be used for lifting cable trench cover plates of various weights.