7results about How to "Avoid up and down motion" patented technology

The invention relates to the technical field of chemical equipment, in particular to an efficient reaction kettle for sodium carboxymethyl cellulose production, which comprises a kettle body, a stirring motor is mounted at the top of the kettle body, a stirring shaft rotationally connected into the kettle body is fixedly arranged on an output shaft of the stirring motor, stirring blades are fixedly arranged on the outer wall of the stirring shaft, and a stock bin is further mounted at the top of the kettle body. The bottom of the stock bin extends into the kettle body, and a linkage type discharging mechanism connected between the stirring shaft and the stock bin is mounted on the top surface in the kettle body; according to the efficient reaction kettle for sodium carboxymethyl cellulose production, auxiliary materials can be added into materials in multiple times, the reaction rate can be better controlled, too violent or non-uniform reaction is avoided, the stability of the reaction process is ensured, the reaction uniformity and the product quality are further improved, and the production efficiency is improved by adjusting the time interval of adding the auxiliary materials every time. And the characteristics of the final product, such as viscosity, solubility and the like, can be optimized, so that the final product better meets the requirements of specific application.

The utility model discloses a fast-assembly outdoor power distribution cabinet, which belongs to the technical field of power distribution cabinets and comprises a box body, a protective door is hinged to the front surface of the box body through hinges, a pull handle is fixedly connected to the front surface of the protective door, a connecting plate is arranged below the box body, and a back plate is arranged behind the box body. Sliding openings are formed in the left side face and the right side face of the box body. According to the fast-assembly outdoor power distribution cabinet, the L-shaped sliding blocks, the sliding openings, the back plate, the through openings, the threaded holes, the positioning holes and the threaded rods are arranged, the back plate can be conveniently moved up and down through cooperation of the L-shaped sliding blocks and the sliding openings, the back plate can be conveniently limited through cooperation of the threaded rods and the positioning holes, and meanwhile workers can conveniently install electrical elements in front of the installation plate; the front and back surfaces of the box body can be opened, so that the installation speed of electrical elements can be accelerated, current use is facilitated, and the back plate can be prevented from moving up and down through threaded connection of the threaded rod and the threaded hole.

The invention discloses upper limb muscle endurance training equipment for physical exercise and a use method of the upper limb muscle endurance training equipment, and belongs to the technical field of upper limb muscle training equipment. The upper limb muscle endurance training equipment for physical exercise comprises a bottom frame and two horizontal rapid clamps, a seat mechanism is arranged at the top of the bottom frame, positioning supports are fixedly installed on the two sides of the bottom frame, and a stretching mechanism is jointly installed on the bottom frame and the positioning supports; the stretching mechanism comprises a fixing frame, a mounting column, two fixing supports, two sixth pulleys and two force application handles. The fixing frame and the mounting column are fixedly connected to the top of the bottom frame. The device effectively solves the problems that according to an existing design, the mode that different numbers of balancing weights are adjusted is adopted, the balancing weights move up and down in the training process, once an exerciser gets out of force, the balancing weights directly fall down, other balancing weights or devices can be damaged, the exerciser can be damaged seriously, the size is large, and the applicable crowd is limited.

The utility model belongs to the technical field of auxiliary positioning supports for glass liquid thermometers, and particularly relates to an auxiliary positioning support for a glass liquid thermometer, which comprises a fixed support. An auxiliary positioning device is mounted at the bottom of the lifting mechanism; a lifting frame is mounted at the bottom of the lifting mechanism; moving blocks are mounted outside the sections of the screw rod and the sliding rod; the end part of the moving block is fixedly connected with a clamping plate; elastic buckles are fixedly connected to the opposite acting surfaces of the clamping plates; a rotating button is mounted at the end part, extending out of the outside, of the screw rod; the two sides of the top of the positioning groove are fixedly connected with elastic clamping plates. The bottom of the lifting frame is fixedly connected with a fixed box; a measuring tape is wound in the fixed box; the winding and unwinding mechanism controls winding and unwinding of the measuring tape. Through the effect of the auxiliary positioning device, the effective protection effect is achieved, the phenomenon that the thermometer is damaged due to collision is avoided, and the effect of positioning and installing the glass liquid thermometer is achieved.

The invention relates to the technical field of wafer carrying, in particular to wafer multi-piece type mechanical arm carrying equipment which comprises an X-axis transplanting platform arranged in an equipment body, the upper surface of the X-axis transplanting platform is connected with a protective shell, and two sets of symmetrically-arranged servo motors are fixedly installed in the protective shell; a synchronous wheel set is fixedly installed at the output end of each servo motor, a ball screw is inserted into the other end of each synchronous wheel set, two symmetrically-arranged connecting plates are connected to the surface of each ball screw in a meshed mode, material taking plates are fixedly installed at the tail ends of the multiple connecting plates, and a center plate is arranged in the middle of the multiple material taking plates. And the center plate is fixedly mounted on the surface of the protective shell. Through cooperative use of all parts, multiple groups of wafers can be carried at a time, wafers of different specifications can be carried, and the purposes of accelerating the carrying period and improving the carrying efficiency are achieved.

The utility model discloses an intake manifold support's structure, the utility model relates to intake manifold support technical field, including first support and second support, first support and second support one end surface all are provided with mounting hole, the inside of first support is close to second support one end and is provided with adjusting mechanism. This intake manifold support's structure, through the recess of the groove of the limiting rod and the surface of the rotating ring is separated, can rotate second support, and subsequently let the limiting rod into the recess, prevent rotating ring and second support and rotate, improved stability, and through the connecting spring can make the baffle automatic reset, make the baffle and the circular ring stopper contact together, prevent the limiting rod movement, can stably prevent rotating ring and rotate, improved stability, make second support surface mounting hole can with different installation position alignment, adapt to different installation environment, improved adaptation range.

The utility model provides a kind of electric screwdriver with separable feeding nozzle, including seat, electric driver, screw feeding nozzle, screw butt joint nozzle, driving mechanism and control circuit board, electric driver is set on seat, screw feeding nozzle has guide through-hole and feeding through-hole, the pivot of electric driver is slidably inserted into guide through-hole;Feeding through-hole is communicated with guide through-hole, to make screw be transported from feeding through-hole to the discharge port of guide through-hole;Driving mechanism is set on seat and drives screw feeding nozzle to move along the central axis direction of the pivot of electric driver;Screw butt joint nozzle is fixed to seat, and screw feeding nozzle is slid to its upper limit of stroke and butt joint with screw butt joint nozzle, to receive the screw exported from screw butt joint nozzle;Screw feeding nozzle is separated from screw butt joint nozzle when sliding downward in its upper limit of stroke.The utility model electric screwdriver with separable feeding nozzle of driving mechanism of the utility model is light in load, and the speed of driving screw is fast, and the service life of driving mechanism is long.