10results about How to "Retractable" patented technology

The utility model relates to the technical field of cables, and provides a power cable core stranding and branching device which comprises a base and supporting seats, the two sides of the top end of the base are both fixedly provided with the supporting seats, one side of each supporting seat is provided with a rotating structure, the outer side of each rotating structure is provided with a protection structure, one side of each protection structure is provided with a take-up roller, and the other side of each protection structure is provided with a winding roller. And a limiting structure is arranged at the top end of the base under the take-up roller. By arranging the limiting structure, when more and more cable cores are wound on the outer side of the take-up roller, the cable cores can be limited through the limiting plate and the limiting groove, and the cable cores are more uniformly and orderly arranged on the take-up roller; according to the cable winding device, the cable cores can be prevented from being stacked in the middle of the winding roller to cause subsequent unwinding, the limiting plate can be pushed to fix the cable cores through springback of the buffer spring, the phenomenon that the cable cores are loosened after being wound can be prevented, and a good fixing and limiting effect is achieved.

The utility model relates to a water conservancy monitoring device for a water conservancy project, and relates to the field of water conservancy monitoring devices. The device comprises a floating seat, an equipment seat is installed on the upper end face of the floating seat, the equipment seat is fixedly connected with the floating seat, a load bearing ring is further fixedly installed on the lower end face of the floating seat, an equipment box is fixedly installed on the upper end face of the equipment seat, and a detection platform is horizontally arranged on the upper end face of the equipment box. A monitoring box and a shooting assembly are fixedly installed on the upper end face of the detection platform, and a vertical pipe base is further fixedly installed at the center of the upper end face of the detection platform. Through the arrangement of the load bearing ring and the reasonable design of the structure of the floating seat, the device has good stability on the water surface, can resist the influence of water flow fluctuation and stormy waves, reduces the risks of shaking and toppling, and guarantees the accuracy of monitoring data. The winding assembly can conveniently control the depth of the water quality detector, so that the water quality at different depths can be conveniently detected.

The utility model relates to the technical field of magnetic materials, and discloses a portable magnetizing and demagnetizing machine which comprises a main machine, the top end of the inner side of the main machine is fixedly connected with evenly-distributed protection boxes, the middle ends of the inner sides of the protection boxes are fixedly connected with a bearing plate, the top end of the bearing plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a threaded rod. The outer side of the threaded rod is in threaded connection with a threaded sleeve, and the bottom end of the threaded sleeve is fixedly connected with a universal wheel. The motor drives the threaded rod to rotate, so that the threaded sleeve and the universal wheel are driven to move up and down, the universal wheel is retracted and released, when the equipment needs to be moved, the universal wheel extends out, the universal wheel can be freely moved through the universal wheel, and when the equipment does not need to be used, the universal wheel can be retracted, so that the equipment is convenient to use. Therefore, the operation stability of the equipment is improved.

The invention relates to the technical field of water taking and filtering, and particularly discloses a water taking and filtering device for an automatic water quality monitoring station, comprising a water taking and filtering device body which comprises an outer cylinder and a submersible pump; the inner cylinder is mounted on the inner side of the outer cylinder, and the inner cylinder is arranged on the inner side of the outer cylinder in a sleeving manner; the fine filter screen is mounted in the closed frame in a sliding manner; the sealing cover is installed outside the submersible pump and used for covering the submersible pump, and an annular cavity is formed between the sealing cover and the inner cylinder; the movable plate is connected into the annular cavity; a cleaning motor drives a lead screw to rotate, then the lead screw drives a movable plate to move up and down, when the movable plate moves downwards, air in an annular cavity can be squeezed downwards through the squeezing effect of the movable plate on the annular cavity, water is driven to flow in the direction of a water inlet and a filtering cover through air squeezing, and when a certain speed is reached, the water is filtered out. And the impact can be caused on the fine filter screen and the filter cover at the water inlet, so that sediments on the fine filter screen and the filter cover at the water inlet are washed, and the purpose of self-cleaning is achieved.

This utility model discloses a well cleaning operation device, characterized by comprising a support frame and a reel mounted on the support frame. The outer circumference of the reel is connected to one end of a hook structure. An anti-reverse structure, maintaining contact with the reel, is also installed on the support frame. The anti-reverse structure includes an adjusting component mounted on the support frame and a limiting component mounted on the reel. This utility model has a simple structure. By rotating the reel, the hook structure can be easily raised and lowered, thus completing the lowering and raising of the bucket. Compared with traditional methods, the operation process is simpler, the workload is significantly reduced, and the efficiency of the cleaning operation is improved. Furthermore, the anti-reverse structure design ensures that even if the operator releases the crank handle and the bucket attempts to rotate the reel in the opposite direction due to gravity, the cooperation structure of the limiting component and the adjusting component restricts the limiting component to only one rotation, effectively preventing the bucket from accidentally falling and greatly improving operational safety.

This utility model relates to the field of stage lighting technology and discloses an adjustable stage lighting rig, including a support frame. A top block is fixedly connected to the top of the support frame, and a fixing ring is installed in the middle of the support frame. Top rods and bottom rods are fixedly connected to the top block and the fixing ring on both sides, respectively. A top groove is opened through the middle of each top rod. A receiving groove is opened in the middle of the top block. A rotating rod is rotatably connected to the inner wall of the receiving groove, penetrating to the inner wall of the two top grooves. A take-up roller is fixedly connected to the wall of each rotating rod in the top groove. An anti-glare curtain is wound in the groove of the take-up roller. Positive soft magnetic blocks are provided on the two outer walls of the anti-glare curtain near the lower end. A bottom groove is opened through the inside of each bottom rod. A bottom negative magnetic block and a top negative magnetic block are fixedly connected to the two inner side walls of the bottom groove and the top groove, respectively. This utility model can flexibly switch between lighting and anti-glare modes according to the scene, improving the flexibility and ease of use of stage lighting adjustment.

The utility model discloses an assembly type folding ladder which comprises outer supporting legs, inner supporting legs are rotationally connected to the interiors of the top ends of the outer supporting legs on the two sides respectively, communicating grooves are formed in the upper sides of the outer supporting legs and the upper sides of the inner supporting legs, and sliding grooves communicated with the communicating grooves are formed in the outer supporting legs and the inner supporting legs. A first gear is rotatably connected to the inner wall of the bottom end of the sliding groove, the tail end of the first gear penetrates through the sliding groove to be fixedly connected with a rotating wheel, the top of the first gear is in meshed connection with a second gear, the tail end of the second gear is fixedly connected with a lead screw, the outer side of the lead screw is in meshed connection with a moving table, and a connecting piece is fixedly connected to the top of the moving table; the connecting pieces penetrate through the outer sides of the communicating grooves to be connected with pushing rods through rotating shafts, the sides, deviating from each other, of the outer sides of the two sets of outer supporting legs and the inner supporting legs are rotationally connected with a plurality of handrails, the other ends of the handrails are rotationally connected with the pushing rods, the foldable handrails can be added to the folding ladder, and the using safety of the folding ladder is improved.

A metering correction device is characterized in that a clockwork winding bar and a weight line winder which are opposite in winding direction are connected to a motor shaft, the lower end of a weight line downwards penetrates through a guide ring and a weight reset positioning seat and then is connected with a weight, and the lower end of the clockwork line downwards penetrates through a small hole in one end of a spring piece, bypasses a pulley and then is connected with a clockwork of a clockwork disc; under the forward driving of the motor, when the weight descends along with the weight line and falls into the scale pan, the positioning joint of the spring line ascends and triggers the weight in-place touch switch by lifting the spring piece, and the motor is controlled to stop rotating; under the reverse driving of the motor, when the weight goes up along with the weight line, enters the weight reset fixing seat and simultaneously triggers the weight reset touch switch, the motor is controlled to stop rotating, meanwhile, the clockwork spring line goes down under the tension of the clockwork spring, and the positioning section of the clockwork spring line goes down and resets. The traditional Chinese medicine decoction piece metering, pushing and overturning device has the advantages of being convenient to use, accurate in metering, automatic in metering process and the like.

The utility model discloses a manipulator for clamping forge piece, including handle, adjusting unit and grabbing unit, the adjusting unit is provided on the handle, the grabbing unit is provided on the adjusting unit, the adjusting unit includes screw, screw 1, connecting disc 1, connecting disc 2, connecting column 1, screw 2, retaining clip and connecting column 2. The utility model relates to the technical field of forging processing equipment, in particular to a manipulator for clamping forgings, which effectively solves the problems that the existing manipulator for clamping forgings in the market is heavy, inflexible to operate and infirm to grab, realizes omnibearing clamping of forgings by arranging a plurality of clamping claws, and improves the working efficiency. And a handle made of a heat insulation material is arranged, so that a user can conveniently hold the manipulator, and the practicability of the device is improved.

The invention discloses a tubercle bacillus test judging and measuring tool, which belongs to the technical field of test devices and comprises a measuring ring, a plastic transparent disc is arranged on the inner side of the top of the measuring ring, a center circle is arranged on the top of the plastic transparent disc, and cross scale marks are engraved on the top of the plastic transparent disc. A plurality of concentric circles are arranged on the surface of the top of the plastic transparent disc, a connecting piece and a winding box are arranged on the two sides of the outer portion of the measuring ring respectively, a winding roller is movably connected to the interior of the winding box through a bearing, and bandages are further arranged on the two sides of the outer portion of the measuring ring. The measuring function is achieved through the cross scale marks and the concentric circles on the plastic transparent disc, the measuring ring is stably arranged on the arm of a patient in a sleeving mode through the retractable bandage, and therefore the stability of the measuring ring is guaranteed, the measuring ring can be conveniently carried by the patient for a long time, the measuring result can be conveniently observed at any time, and the measuring convenience is greatly improved.