12results about How to "Short arm" patented technology

The invention discloses a support joint, a middle support and a joint installation method, the support joint comprises a cushion block and a locking piece, one side of the cushion block is attached to a cross beam on the support, and the side, opposite to the cross beam, of the cushion block is of a cambered surface structure; the locking piece penetrates through the cross beam and is matched with the cambered surface structure of the cushion block to form a connecting hole, and the connecting hole allows the main cable to penetrate through and locks the main cable to the cushion block; the cambered surface structure is a partial cylindrical surface structure, and the axis of the cambered surface structure is perpendicular to the length direction of the main cable. The cushion block is used for supporting the main cable and is matched with the locking piece to lock the main cable, the cushion block reduces the corner folding risk of the main cable through the cambered surface structure, meanwhile, the main cable can be closer to the center of the cross beam, the stress of the cross beam is optimized, and the connection stability of the main cable is improved.

The utility model relates to the field of machining equipment, and particularly discloses a pipe cutting and pressing device which comprises a guide rail mounting plate, a guide rail arranged on the guide rail mounting plate and an air cylinder mounting seat, an air cylinder is arranged on the air cylinder mounting seat, a guide rail sliding block is arranged on the guide rail, and a pipe pressing plate mounting block is arranged on one side of the guide rail sliding block. A tube pressing plate is arranged on one side of the tube pressing plate mounting block, the tube pressing plate is mounted on the tube pressing plate mounting block through a rotating pin shaft, and an air cylinder rod of an air cylinder is connected with the rotating pin shaft through a fisheye bearing; a fixing pin is arranged on the tube pressing plate mounting block, a connecting pin is arranged on the tube pressing plate, and the fixing pin and the connecting pin are connected through a spring; a tube pressing plate limiting pin is arranged on the tube pressing plate mounting block, and the end part of the tube pressing plate is limited through the tube pressing plate limiting pin; the pipe cutting and pressing device has the advantages of being good in pipe pressing effect, easy to disassemble, convenient to maintain, long in service life, convenient and fast to install, reasonable in structure, capable of effectively avoiding collision during coil replacement, beneficial to safe operation of a unit and the like.

The utility model relates to a stable type pultrusion plate polishing device which comprises a first motor, a grinding wheel disc and a lifting table, the first motor and the grinding wheel disc are both located above the lifting table, the grinding wheel disc is installed on the first motor, the axis of the grinding wheel disc is parallel to the vertical direction, a shell of the first motor is fixedly connected with a rotating seat, and the rotating seat is fixedly connected with the lifting table. A rotating seat is arranged below the lifting table, an adjusting assembly is arranged on the rotating seat and used for driving the rotating seat to rotate, the rotating center line of the rotating seat is perpendicular to the axis of the grinding wheel disc, a fixing seat is arranged below the lifting table, a lifting assembly is arranged on the fixing seat, and the lifting assembly is used for achieving lifting of the lifting table. A guide assembly is arranged between the fixed seat and the lifting table; during polishing, the acting force borne by the grinding wheel disc does not need to pass through the first motor in the transmission process, the force arm is shortened, the jumping amplitude of the grinding wheel disc in the polishing process is reduced, and the polishing stability is improved.

The utility model discloses a gate valve wrench, which belongs to the technical field of wrenches and comprises a first support rod, a second support rod, a first stop lever and a second stop lever. The first stop lever and the second stop lever are vertically connected to the first supporting rod. The second supporting rod is connected with the first supporting rod through a hinge, a sliding groove is formed in the second supporting rod, a sliding block is arranged in the sliding groove and connected with a clamping block through a connecting frame, a clamping groove is formed in the first supporting rod, and an opening groove is formed in the clamping groove. The second supporting rod is rotationally unfolded, the clamping block enters the end of the clamping groove through the opening groove, the sliding block slides in the sliding groove to drive the clamping block to be slidably clamped into the clamping groove, and reliable end-to-end connection between the second supporting rod and the first supporting rod is achieved; and the gate valve can be opened and closed conveniently. The sliding block is reversely pushed to slide in the sliding groove, the clamping block is driven to slide out of the clamping groove, the second supporting rod is rotated relative to the first supporting rod, folding is achieved, the arm of force is greatly shortened, and the folding device can be flexibly suitable for working conditions with narrow space, is convenient to store and carry and improves use convenience and flexibility.

The invention discloses a detachable bone bolt, comprising a bolt body, the bolt body comprising a screw head and a screw body, a section of a bare rod and a section of a threaded portion are arranged outside the screw body, a screw-in operation cavity is provided at the end of the screw head for receiving force when the bolt body is screwed in, a screw-out operation cavity is provided inside the bare rod for receiving force when the bolt body is screwed out, and the screw-out operation cavity is communicated with the screw-in operation cavity. The bone bolt has the advantages of simple and reliable structure, convenient operation, ability to avoid operation damage, and ability to improve healing progress.

The utility model relates to underwater equipment measurement technical field especially relates to a kind of device for measuring the mooring thrust of underwater propeller, including test pool and device main body, the device main body includes cover, hoisting frame, sensor and propeller;The cover is covered in test pool top;One end of hoisting frame is connected with cover, and the other end of hoisting frame is connected with sensor and extends into the test pool;Sensor is connected between the propeller and hoisting frame, and sensor can directly measure the horizontal direction thrust of propeller.Adapter support is connected between sensor and propeller, so that the thrust of propeller is directly transmitted to sensor.The utility model is simple in structure, can be directly measured, thrust value and sensor reading correspond, save intermediate conversion link, improve measurement efficiency and accuracy.

The application provides a robot walking control method and device, electronic equipment and storage medium, and belongs to the technical field of robot motion control. The method comprises the following steps: acquiring robot body perception data and relative displacement of a foot relative to a pelvis; determining a reference body height based on a fully extended leg height; the maximum value of the reference body height is less than the fully extended leg height; determining a target foot pitch angle according to the relative displacement; inputting the body perception data, the reference body height and the target foot pitch angle into a gait control model to obtain a control instruction; and controlling the robot to walk according to the control instruction. The application sets the reference body height slightly lower than the fully extended leg height, guides the robot to adopt a walking mode closer to straight knees to effectively shorten the force arm of the trunk weight to the knee joint axis center, and introduces a soft buffer mechanism through the linear mapping relationship between the target foot pitch angle and the relative displacement, so that the knee joint torque and energy consumption can be reduced, the motor overheating can be avoided, and the hardware mechanical loss can be reduced.

The application provides a lower plastic, an end cover assembly, an energy storage device and an electric equipment, which can improve the yield of the lower plastic, help to improve the production efficiency of the energy storage device, ensure that the overall structural strength of the lower plastic is large, avoid deformation of the lower plastic, and ensure good use reliability of the energy storage device. The lower plastic comprises a first lower plastic and a second lower plastic, and the first lower plastic and the second lower plastic are arranged in sequence along the length direction of the lower plastic, wherein the length l1 of the first lower plastic is greater than the length l2 of the second lower plastic, one end of the second lower plastic towards the first lower plastic is provided with an extension part, the extension part is located on one side of the thickness direction of the first lower plastic, and the extension part supports the first lower plastic.

The utility model discloses an optical bayonet and an optical adapter. The optical bayonet comprises a clamping shell structure and a clamping structure, the clamping shell structure is provided with a clamping cavity and comprises a clamping support and a clamping ring which are annularly arranged, the clamping ring is provided with a driving part, the inner ring side of the clamping support and the inner ring side of the clamping ring jointly form the clamping cavity, and a containing groove is formed in one side of the clamping cavity; the clamping structure comprises a clamping piece, a transmission part matched with the driving part is arranged on the clamping piece, the clamping piece is provided with a connecting end and a free end which are oppositely arranged, the connecting end is rotationally connected with the clamping support, and the transmission part is located between the connecting end and the free end. The clamping piece has a clamping state that at least part of the clamping piece can stretch out of the containing groove so as to stretch into the clamping cavity, and an unlocking state that the clamping piece can be contracted into the containing groove. The optical bayonet provided by the utility model has a better locking effect on the endoscope, can meet the mounting requirements of more types of endoscopes, and has better adaptability.

The utility model relates to laser cutting technical field, specifically disclose a swing shaft mechanism and processing equipment, in this swing shaft mechanism, the displacement drive assembly includes the displacement output shaft along the first direction extension, and the end of displacement output shaft forms the displacement output end, and the displacement drive assembly is located in the base, first drive assembly has the first output shaft, and the first output shaft extends along the second direction, and can rotate around the own axis, and first drive assembly is located in the displacement output end, second drive assembly has the second output shaft, and the second output shaft extends along the third direction, and can rotate around the own axis, and second drive assembly is located in the first output end of first output shaft, and processing head is located in the second output end of second output shaft, and the displacement output end can act to drive first drive assembly and move and / or rotate between the first position and the second position, and drive second output end to be close to or away from the base, the above -mentioned setting has improved the end positioning and processing accuracy of processing head.

The invention belongs to the technical field of tower crane equipment, and discloses a self-elevating tower crane and a climbing method. The self-elevating tower crane comprises a tower crane main body, a climbing frame and a fixed seat, the climbing frame comprises a first climbing section and a second climbing section, the second climbing section is detachably connected to the bottom end of the first climbing section, and the first climbing section and the second climbing section can be detachably connected to the bottom of the tower crane body; the fixed seat is fixedly arranged on a steel structure of a building, the climbing frame is detachably connected to the fixed seat, the fixed seat comprises a jacking mechanism, and the jacking mechanism is configured to drive the climbing frame to move in the vertical direction; the fixed seat can be divided into a first fixed seat and a second fixed seat, the first fixed seat corresponds to the first climbing section, and the second fixed seat corresponds to the second climbing section. The first climbing section and the second climbing section are matched with each other and are alternately connected to the bottom of the tower crane body, then climbing of the tower crane body can be completed, the overall self weight is small, the climbing process is simple and convenient, and the production cost is low.