139results about How to "Play a labor-saving role" patented technology

The invention discloses an agricultural perforating device which is convenient for heat dissipation and aperture adjustment, which comprises a base and a top plate. A first through hole is arranged in the middle of the inner part of the base, and universal wheels are arranged on both sides below the base. Both sides above the base are provided with connecting pipes, and the inside of the connecting pipe is provided with a second through hole, the bottom of the connecting plate is provided with a connecting rod, and the inside of the connecting plate is provided with a fixing ring, and the connecting rod A first limit block is arranged on the four sides, a movable block is installed at the upper port of the movable rod, and a magnet block is arranged on the side of the second limit block facing the central axis of the movable rod. The agricultural punching device that facilitates heat dissipation and hole diameter adjustment can ensure that the driver will not be burned out due to excessive temperature when the device works for a long time, and the device can change the diameter of the punched hole, which is convenient for users to choose Appropriate hole diameter to drill.

The invention discloses orthopedics nail withdrawal equipment having a clamping function. The equipment comprises a base plate, wherein vertical plates are fixedly connected to both ends of the base plate; a top plate is fixedly connected to the tops of both the vertical plates; a placing groove is defined in the middle of the upper side of the base plate; a threaded rod is rotatably connected tothe middle of the top plate; and a supporting pillar is arranged at the lower side of the threaded rod. The orthopedics nail withdrawal equipment provided by the invention has the beneficial effects that magnetism, which is same to a magnetic pole, is generated as an electromagnet is charged with a current, so that the magnetic pole, which is repelled, moves downwards in a mode of being away fromthe electromagnet under repulsive force, so that a mounting pillar is driven to move downwards and the two clamping plates are squeezed by virtue of a connecting rod which is driven by the mounting pillar, and subsequently, the two clamping plates are moved apart, and a distance between the two clamping plates is widened; then, a clamping plate drops, and the head of a nail enters a region betweenthe two clamping plates; and the electromagnet is charged by a reverse current, so that magnetism, which is opposite to the magnetic pole, is generated, and subsequently, the magnetic pole is moved upwards and the mounting pillar, which is driven by the magnetic pole, is moved upwards.

A plug with an unplugging assisting function comprises a plug body and conductive terminals. A button assembly, two transmission parts and a pushing portion are arranged on the plug body. The button assembly comprises two buttons and a spring, the buttons are symmetrically arranged on two sides of the plug body, the spring is arranged between the upper ends of the two buttons, and the lower end of each button is of sectorial gear structures. Each transmission part is a transmission gear set comprising a gearwheel and a pinion transmitting coaxially, the two transmission parts are respectively correspondingly arranged at the lower ends of the two buttons and are respectively mounted on the plug body through a positioning shaft, sectorial gear structures of the lower ends of the buttons are meshed with the pinions of the corresponding transmission gear sets. The pushing portion is mounted on the outer side of the front end of the plug body and forms a sliding matching relation with the plug body through the outer side and the inner side as well as a guide groove and a guide rack, the inner wall of the pushing portion is provided with a rack structure which is longitudinally disposed and is meshed with the gearwheel of the transmission gear set at the corresponding position, the pushing portion is driven to move back and forth along the plug body by rotation of the gearwheel, the front end of the pushing portion contacts with the surface of a socket. The plug with the unplugging assisting function has the advantages of convenience, quickness, labor saving and safety in unplugging.

The invention discloses a soil drill. The soil drill comprises a handle, a flywheel mechanism, a drilling rod and a drilling head arranged at the end portion of the drilling rod; the flywheel mechanism comprises a steel box in inside gearing with an unidirectional-rotation ratchet mechanism, and a steel shaft nested to the ratchet mechanism, the centers of the steel box, the ratchet mechanism and the steel shaft are respectively provided with a circular through hole, the drilling rod traverses the circular through holes and is clamped to the steel shaft, and the steel box is fixedly connected with the handle from the outside; and the flywheel mechanism drives the drilling rod to rotate in an unidirectional mode after the handle is rotated. The soil drill has the advantages of labor saving, time saving, and substantial improvement of the soil sampling work efficiency.

Disclosed is a pincer type labor-saving bottle opener. The bottle opener is composed of clamp holders, inner teeth, a pin, a spring, a small shaft and a shaft sleeve. The inner sides of the two clamp holders are provided with the inner teeth. The tails of the two clamp holders are connected in a movably matched mode through the pin. The small shaft is fixed to one clamp holder, and the shaft sleeve is fixed to the other clamp holder. The small shaft can slide in the shaft sleeve. The spring is arranged in the small shaft and the shaft sleeve. Ordinarily, a certain opening-closing degree between the two clamp holders can be kept through the spring. During using, a to-be-opened bottle cap is placed between the two clamp holders, the outer sides of the two clamp holders are held with a hand to rotate the bottle cap anticlockwise, and in this way, the bottle cap can be opened. After the bottle cap is put on a bottle, if certain tightness is needed for preventing air from entering the bottle or a child from opening the bottle, the bottle cap can be held through the bottle opener and rotated clockwise and properly.

The invention relates to the field of agricultural fertilization equipment, in particular to a water soluble fertilizer precision fertilization device and fertilization method. The device comprises anelectric control system, a speed regulating system, a feedback sensor and an actuator. Precision fertilization is achieved by a method for regulating the output power of the actuator by real-time feedback and dynamic current regulation. Use of water soluble fertilizers can be precisely controlled, the functions of saving the fertilizers, time and labor are achieved in the water and fertilizer integration process, the system can be rapidly regulated to stably run by constrained parameters including step parameters, differential divisors and integrating factors of the speed regulating system, water soluble fertilizer use precision of the device is improved, and operation is simplified.

The invention provides a building hose leather sheath assembling machine which comprises a bottom plate. A sliding rail is arranged at the middle part of the bottom plate, a sliding sleeve is arrangedon the sliding rail in a sliding fit mode, a sliding block is fixed at the top of the sliding sleeve, and a pipeline clamping mechanism for clamping a pipeline to be assembled is arranged on the sidewall of the sliding block. A leather sheath positioning base is arranged at one tail end of the sliding rail and is close to one side of the pipeline to be assembled, a leather sheath positioning hole is machined in the leather sheath positioning base, a connecting rod propelling mechanism is arranged at the other tail end of the sliding rail, and the connecting rod propelling mechanism is matched with the sliding block and pushes the sliding block to slide along the sliding rail. The assembling machine adopts a multi-link mechanism and is applied to assembling of a leather sheath of a building hose, so that the assembling efficiency is improved, the assembling difficulty and strength are reduced, and the assembling quality is guaranteed.

The invention relates to the technical field of soil sampling, in particular to sampling storage equipment for soil detection. The equipment comprises a cylinder body, a sampling structure, a limitingstructure, an anti-loss structure, a discharging structure and a dehydration structure, wherein a sampling structure is arranged in the cylinder body; sludge on the river bank can be conveniently sampled in a labor-saving manner; a limiting structure is arranged, and therefore the sampling structure can be limited and fixed; the sampling structure is prevented from sliding when the sludge is taken out after sampling is finished; the sampling structure is used for sampling sludge while driving the discharging structure to work; the discharging structure works, and can act on the anti-loss structure; via the sampling storage equipment, sludge in the sampling structure can be discharged, the sampling structure can drive the dehydration structure to work while conducting sampling work, and the stored sludge can be subjected to extrusion dehydration work through the work of the dehydration structure, so that the sludge can be conveniently stored, and late-stage detection of the sludge canalso be facilitated.

The invention discloses a keycap dismounting device of a mechanical keyboard, and relates to the field of computer software and hardware auxiliary equipment, and the key point of the technical scheme is that the keycap dismounting device of the mechanical keyboard comprises supports arranged on the left side and the right side of the keyboard; double pulling ropes which can be embedded into the front side and the rear side of the keycap from top to bottom and double pulleys which are connected with the double pulling ropes and the brackets to enable the double pulling ropes to be connected to the brackets on the two sides in a sliding manner are arranged between the brackets on the two sides; the support is also provided with a pressing mechanism which can simultaneously press two sides of the double pulling ropes to enable the double pulling ropes to enter the lower part of the keycap, and a gap adjusting assembly which is arranged between the double pulleys and can control the linear distance between the double pulling ropes. And the reset elastic piece is arranged on the double pulleys and can reset the pulling rope to the initial height after the pulling rope moves downwards. The key cap dismounting device has the technical effects that the key cap dismounting device is suitable for most mechanical keyboards, and a whole row of key caps can be dismounted at a time.

The invention discloses a power distribution cabinet convenient for assembling and maintaining. The power distribution cabinet comprises a power distribution cabinet main body, an air outlet pipelineand a threaded column. A main pipeline is arranged on an inner side of a temperature controller. The air outlet pipeline penetrates through the inner side of a branch pipeline. An abutting frame penetrates through a bottom of the power distribution cabinet main body. The threaded column penetrates through a top of a wire inlet hole and a top of an abutting block, a supporting frame is fixed to a rear side wall of the power distribution cabinet main body through a third bolt, an air diffusion fan is arranged at the top of the power distribution cabinet main body, a groove is arranged in a lowerend surface of a rain baffle plate, and a bottom plate is arranged on a lower side of a battery pack. By using the power distribution cabinet convenient for assembling and maintaining, installation work of a moving plate and an anti-collision plate can be completed by tightening a first bolt. When a device is impacted by an external force, the anti-collision plate and the moving plate can move left and right under an effect of a compression spring at the same time, damages to internal parts of the power distribution cabinet main body due to object impact is prevented, the anti-collision platecan be detached by taking down the first bolt on the anti-collision plate, and maintenance and replacement are convenient.