30results about How to "No transmission gap" patented technology

The invention discloses a reusable hydraulic combined special-shaped steel formwork and a dismantling method, which includes a circular arc section bent frame, a straight line section bent frame, a hydraulic main pipe, a hydraulic oil cylinder, an arc panel and a plane panel; the hydraulic main pipe and the pumping station flow The bending shape of the elbow section of the road bend is the same, and the hydraulic main pipe passes through the center of the curved frame of the arc section and the bent frame of the straight section; the hydraulic cylinders include radial hydraulic cylinders, central linear hydraulic cylinders, lateral hydraulic cylinders and oblique hydraulic cylinders. Cylinders; each hydraulic cylinder is equipped with metering valves. The present invention skillfully utilizes the hydraulic cylinder as the supporting and shaping structure of the elbow section of the flow path of the pump station, and the hydraulic oil is used to push the hydraulic cylinder to adjust the corresponding stroke or length, so as to correct the arc section bent frame, straight line section bent frame, arc panel, The deformation of the plane panel ensures the position accuracy of the formwork. It can not only set up the steel formwork automatically, but also disassemble the steel formwork after the concrete is formed, so that the steel formwork can be used repeatedly and has high positioning accuracy.

The invention provides a friction planetary reducer, belongs to the technical field of machineries, and solves the problem that the conventional gear planetary reducer is small in transmission ratio. The friction planetary reducer comprises a cylindrical shell, an input end cover and an output end cover, wherein the input end cover and the output end cover are arranged at two ends of the shell respectively; an input shaft and an output shaft are arranged in the shell; the middle of the input shaft is provided with an annular step A positioned in the shell; the output end of the input shaft is provided with an annular step B positioned in the shell; a flexible cylinder, with which the input shaft is sleeved, is arranged in the shell; a plurality of fixed flexible gears coaxial with the input shaft are arranged between the flexible cylinder and the annular step A; a rotating shaft A, one end of which is fixed on the input end cover, is arranged in each fixed flexible gear; a plurality of planetary flexible gears coaxial with the input shaft are arranged between the flexible cylinder and the annular step B; a rotating shaft B, one end of which is fixed on the output shaft, is arranged in each planetary flexible gear. The friction planetary reducer has the advantages of being large in transmission ratio, simple in structure, and the like.

The invention discloses a stamping device for automobile electronic components. The stamping device comprises an operating platform. Mounting plates are arranged at the lower end of a top plate. A first piston cylinder, a second piston cylinder and a third piston cylinder are arranged at the lower ends of the three mounting plates correspondingly. Piston rods are arranged inside the first piston cylinder, the second piston cylinder and the third piston cylinder correspondingly. A stamping rod is mounted at the lower end of each stamping plate. A first stamping head, a second stamping head anda third stamping head are arranged at the lower ends of the stamping rods. A mounting bracket is arranged at the other side of a hydraulic extending-and-contracting rod. A component clamp is mounted at the lower end of the mounting bracket and provided with a sliding rotating shaft seat. Support pillars are mounted at the bottom end of the operating platform. A containing box is arranged below theoperating platform. By means of the stamping device, the automobile electronic components of different specifications can be stamped at the same time and gripped through the component clamp; and theelectronic components are prevented from being damaged.

The invention discloses a seven-degree of freedom (DOF) mechanical slave-hand device for a minimally invasive surgery, which comprises a mechanical slave-hand mechanism, a processing controller, a drive module and a sensor, wherein the processing controller is connected with the drive module which is connected with the mechanical slave-hand mechanism; and the sensor is connected with the drive module and the processing controller respectively so as to transmitting angular displacement and rotating speed information. The transmission form of the mechanical slave-hand mechanism is linear transmission; and in the linear transmission, the mechanical motion and moment between master and slave pieces are transmitted by means of a transmission line which is tightly wound on a line wheel. The seven-degree of freedom (DOF) mechanical slave-hand device for the minimally invasive surgery has the advantages of steady and continuous linear transmission, no transmission gap, small motion inertia, smooth drive and low cost, can realize complex operation of common minimally invasive surgeries, and has high flexibility.

The invention discloses a water treatment gas floating slag scraper which comprises a slag scraper body, scraping bristles and wheels, wherein wheel shafts are arranged in the wheels; supporting frames are arranged above the wheels on the slag scraper body; a travel switch I is arranged on the supporting frames; a motor is arranged on the rear side of the slag scraper body; a chain wheel I is arranged on an output shaft of the motor; chain wheels II are arranged on the wheel shafts; the chain wheel I is connected with the chain wheels II through chains; a movable frame is arranged below the slag scraper body; the rear end of the movable frame is connected with the lower end surface of the slag scraper body; a long bolt is arranged between the front end of the slag scraper body and the movable frame; a connection frame is arranged at the front end of the movable frame; a connection plate III is arranged at the front end of the connection frame; the scraping bristles are located on the front end surface of the connection plate III; a cylinder is arranged on the front side of the slag scraper body; a connection plate V is arranged on the scraping bristles; a controller is arranged on the upper end surface of the slag scraper body; a hydraulic pump is arranged on the rear side of the controller. The water treatment gas floating slag scraper provided by the invention is simple in structure, good in slag scraping effect and convenient to operate.

The invention relates to a static stiffness testing device and testing method for a ship system pipeline support, comprising a main body frame, a loading device and a pipeline support and clamping device, the main body frame includes an upper fixing frame and a lower fixing seat arranged symmetrically up and down, and the The four guide columns at the four corners are connected; the loading device includes a screw, a sliding platform and a pressure head. The bottom of the sliding platform is connected, and the four corners of the sliding platform are socketed and connected with four guide columns, and slide up and down along the guide columns; the pipeline support and clamping device includes a tube support plate, a tube support gasket, a pipeline support and a The plate is arranged at the bottom of the pipeline, and the pipe support gasket is arranged on both sides of the pressure head to be symmetrical with the pipe support plate up and down, and connected by bolts. The invention is easy to operate, high in reliability and good in versatility.

The invention provides an auxiliary mechanism for lower steps of a crawler-type working device, which includes a support member that can extend to the obliquely below the direction of travel of the crawler-type working device body, and plays a role of supporting and buffering the lower steps of the crawler-type working device, preventing the crawler-type working device from Sudden acceleration to the downward direction causes the vehicle to overturn. The step-down auxiliary mechanism is simple in structure, small in size, low in cost, reliable in operation, easy to use, and the step-down auxiliary mechanism does not affect the walking and normal operation of the crawler operating device when it is not in use. It has a broad market prospect and development space, and has a very high promotion value.

The invention discloses an eight-station sorting mechanism indexed by a cambered surface cam, comprising a rack and a motor installed on the rack, wherein an eight-station index plate is arranged above the rack, the center below the eight-station index plate is fixedly connected with a vertical shaft, the vertical shaft is installed on an installation rack fixedly connected with the rack, a supporting wheel is arranged above the rack to support the eight-station index plate, and a link transmission mechanism and a cambered surface cam transmission mechanism are arranged between the vertical shaft and the motor. The mechanism has simple integral structure, few workpieces and small land occupation, does not generate a driving gap during the conversion of positive rotation and reverse rotation, and has accurate indexing and high processing precision of workpieces.

The invention discloses a hydraulic-driven eight-foot thrust bearing base, comprising a shaft, a thrust bearing, a support assembly and a base, wherein the shaft passes through the thrust bearing; the support assembly comprises two actuator groups which are respectively and symmetrically distributed at two sides of the thrust bearing; each actuator group comprises four actuators, two upper part connecting blocks positioned at one side of the thrust bearing, and three lower part connecting blocks arranged on the base; an 'M'-shaped structure is formed by the actuators, the upper part connecting blocks and the lower part connecting blocks of each actuator group; the upper part connecting blocks, the lower part connecting blocks and the actuators are connected in a way of spherical hinge connection. The thrust bearing base provided by the invention is simple, efficient and flexible; after the design is adopted, the bearing load can be evenly distributed, the working performance of a shaft system is improved, the normal operation of the shaft system is guaranteed, and active and passive control can be also effectively carried out on the vibration of the shaft system.

The invention discloses a multifunctional apple picking operation platform and its use method. The apple picking operation platform includes a picking platform and a fruit box collection platform, the picking platform and the fruit box collection platform are fixed on the platform base, and the platform base is provided with four a walking wheel; the picking platform is equipped with a fork-type lifting bracket, which is cross-connected by a pin shaft, and the top of the bracket is connected with the main body of the picking platform; The dial; the fruit box collection platform includes a collection platform main body, a fixed bracket, and a chain; the invention controls the operating range of the picking platform through a hydraulic cylinder, and transports the fruit boxes through a transmission roller. The operation platform of the present invention is used for picking operations and fruit box transportation, and can walk freely. The dial wheel protects the fruit trees and fruits during the travel process. At the same time, the operation platform is stable and reliable. The platform size can be adjusted according to different plant row spacing and plant height. scope of work.

The invention provides a glass liquid level meter. The glass liquid level meter comprises a base used for being fixed to a user field mounting base, a stand column used for being matched with the baseto form a supporting frame, a controller used for recording and transmitting signals, a single-axis robot used for controlling a probe to move up and down, and a servo driver used for controlling thesingle-axis robot. The stand column is vertically arranged above the base, the controller is arranged on the stand column and located at the end close to the base, the single-axis robot is arranged on the stand column and located on the side adjacent to the controller, and the servo driver is arranged on the stand column and located on the side opposite to the single-axis robot. The integrated design is adopted, the structure is compact, maintenance is convenient, the production cost is effectively reduced, and the reliability of the device is improved; and moreover, linear guide rail guidingand ball screw displacement transmission are adopted, interference fit is adopted, no transmission gap exists, and therefore, high-precision and low-inertia transmission is achieved, and the measurement precision of the whole device is guaranteed.

The invention discloses a driving device for reciprocating motion around a shaft. The driving device comprises a driving motor for outputting a torque period and with adjustable curve, wherein the driving motor is used for outputting periodic torque driving load; one or more parameter adjustable energy storages for absorbing the energy in the load deceleration and outputting the energy in the load acceleration; a load base with adjustable reciprocating motion period, adjustable reciprocating motion zero position and adjustable reciprocating motion angle amplitude. The driving device disclosed by the invention is used for driving the load to perform the reciprocating motion around the shaft, a rotating shaft is directly driven by using a moment motor, a mechanical transmission device is cancelled, and the energy storage is provided; the driving device disclosed by the invention has the advantages of being adjustable in motion parameter, simple in transmission mechanism, convenient in analysis and computation method, low in energy consumption, high in reliability, low in noise and low in cost.