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32results about How to "Little room to turn" patented technology

Mobile robot hole forming platform based on composite axle structure

The invention discloses a mobile robot hole forming platform based on a composite axle structure. The mobile robot hole forming platform is characterized by comprising a car frame unit, two suspension units, axle and driving units, an omnidirectional wheel unit, four bearing locking units and control integration units. The whole structure is symmetric in a front-back and left-right mode. The car frame unit is a base body of a mobile platform and is of a trapezoid car frame structure. The suspension units are force transmission connecting devices between a car frame and an axle, the two suspension units are connected with the rear side of a front frame and the front side of a rear frame respectively through hinges. The axle and driving units are installed on the front suspension unit and the rear suspension unit through high-strength bolts and axle cover plates respectively. The four bearing locking units are installed on the two sides of the bottom of the front frame and the two sides of the bottom of the rear frame of the car frame respectively. The control integration units are installed on the two sides of the middles of the bearing locking units respectively. According to the technical scheme of the mobile robot hole forming platform, accuracy and reliability of positioning of the whole platform are ensured.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Multifunctional landscape tree pruning apparatus

The invention discloses a multifunctional landscape tree pruning apparatus, comprising a pruning structure and two traveling structures. Each traveling structure comprises a transverse plate; each oftwo ends of the transverse plate is provided with a cylinder and a vertical bar rotationally connected; a clamp block is hinged to the extension end of each cylinder and is fixed to the correspondingvertical bar; one end of each vertical bar penetrates the transverse plate and is fixedly provided with a motor box, a first motor and a conversion box are arranged inside and at the bottom of the motor box, the first motor is movably connected with a wheel through a gear transmission system. The pruning structure comprises a top box fixed to the two ends of the two transverse plates through foursupports; support plates and slide plates slidably connected are fixed to the top box respectively from top to bottom; the bottom of each support plate is provided with a limiting nut; the top and bottom of each slide plate are provided with a second motor and a third motor respectively; the output end of each second motor is provided with a bolt; two limiting rods are arranged on each slide plate; a cutting device is fixed to an output shaft of each third motor. The multifunctional landscape tree pruning apparatus, an automated apparatus, has high automation level, causes low labor intensityand allows landscape trees to be pruned safely with good quality.
Owner:CHINA UNIV OF MINING & TECH

Wall-climbing robot for smooth plane and wall-climbing method of wall-climbing robot

The invention discloses a wall-climbing robot for a smooth plane and a wall-climbing method of the wall-climbing robot. The wall-climbing robot comprises a main body frame, an inner frame and an outer frame, wherein the inner frame and the outer frame which have a vacuum adsorption function are arranged inside and outside the main body frame correspondingly, so that during linear motion, the robot completes linear advancing or retreating movement along an actuating route of the outer frame, during steering movement, the robot conducts rapid steering work with the inner frame located in the main body frame as the rotating center, and due to the fact that the rotating center is located in the main body frame, the technical effect that the space needed for steering is small is achieved. The wall-climbing robot for smooth plane and the wall-climbing method of the wall-climbing robot also have the following advantages: vacuum adsorption is selected, so that the adsorption capacity is high, and the controllability is high; a frame type structure is selected, and the moving distance is controllable; a hollow frame type structure is adopted, so that the overall dead weight is light; and the cost is lower than that of other wall-climbing robot equipment schemes.
Owner:SHENGLI COLLEGE CHINA UNIV OF PETROLEUM

Forward and backward dual-purpose steering limiting device for electric transport vehicle

The invention discloses a positive and negative dual-purpose steering limiting device for an electric transport vehicle, which comprises two installation arms fixedly connected with the vehicle frame, the two installation arms are arranged parallel to and extending forward, and the front ends of the two installation arms are fixed A mounting plate is connected, a steering sleeve is welded and fixed on the mounting plate, a steering column is installed through the steering sleeve, the upper end of the steering column is connected with a handlebar, and a steering wheel device is installed at the lower end of the steering column. A steering damping device is provided between the steering column and the steering sleeve; the handlebar, steering column and steering sleeve are simple in structure, and a steering wheel device is specially provided on the front side of the car body, and the steering column can rotate 360° in the steering sleeve, The steering is flexible, and the structure of the front end of the car body is small, which helps to reduce the steering space to the greatest extent, and is more suitable for use in greenhouses. The steering damping device set can perform damping restrictions when the steering angle reaches 180°. Here The steering force needs to be increased to play the role of corner reminder.
Owner:WEIFANG HONGSHIXING MACHINERY PROCESSING CO LTD

A multifunctional landscape tree pruning device

The invention discloses a multi-functional landscape tree pruning device, which includes a pruning structure and two walking structures. The walking structure includes a horizontal plate. Both ends of the horizontal plate are equipped with a cylinder and a vertical rod connected in rotation. The protruding end of the cylinder is hinged with a clip. Tight block, the vertical rod is fixed with the clamping block, one end of the vertical rod passes through the horizontal plate and is fixed with a motor box, the inside and bottom of the motor box are respectively equipped with a first motor and a conversion box, and the first motor is movably connected to the wheel through a gear transmission system The pruning structure includes a top box fixed by four support frames and two ends of two horizontal plates. The top box is respectively fixed with a support plate and a sliding plate connected with a slide from top to bottom. The bottom of the support plate is provided with a limit nut, and the top of the slide plate and The bottom is provided with a second motor and a third motor, bolts are provided at the output end of the second motor, two limit rods are provided on the slide plate, and a cutting device is fixed on the output shaft of the third motor, which has a high degree of automation and low labor intensity. It is an automatic equipment that can complete the pruning of landscape trees with high quality and safety.
Owner:CHINA UNIV OF MINING & TECH

Miniature circuit breaker

The invention relates to a miniature circuit breaker, which is characterized in that an operating mechanism and a static contact are arranged in a shell of the miniature circuit breaker, the operatingmechanism comprises a contact support, the contact support is provided with a moving contact matched with the static contact, and a shielding piece used for shielding electric arcs between the movingcontact and the static contact is arranged in the shell; the shielding piece is provided with a rotating end, a limiting end and a shielding end; the rotating end is rotatably connected with the shell, the limiting end is provided with a sliding groove used for controlling the relative positions of the shielding piece and the moving contact, and the moving contact extends into the sliding groovethrough the protruding contact part to drive the shielding piece to rotate around the rotating end relative to the moving contact; and during opening, the shielding end is rotated into the position between the moving contact and the static contact, and during closing, the shielding end is rotated out of the position between the moving contact and the static contact. In the opening and closing process, the shielding piece is driven by the moving contact under the action of the sliding groove and rotates around the rotating end relative to the moving contact, the structure is simple and compact,and the occupied rotating space is small.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD
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