52results about How to "Meet length requirements" patented technology

The invention relates to the technical field of car overhaul, in particular to a gun-barrel-length-adjustable grease gun for car overhaul. The grease gun comprises a gun head, a grease cylinder and a pull rod; the gun head is in sealing connection with the grease cylinder through a grease inlet sealing cover; a plunger is fixedly mounted on the upper end face of the gun head; a connecting piece is fixedly arranged on the outer end face of the gun head, and a connecting rod is hinged to the outer end of the connecting piece; a grease outlet of the gun head is in sealing connection with a grease outlet pipe, and a grease outlet valve is fixedly mounted on the outer end face of the grease outlet pipe; a telescopic pipe is mounted on the inner end face of the grease cylinder, and a grease storing cavity is formed in the telescopic pipe; a sleeve is slidably connected to the outer end face of the grease cylinder, and the outer end face of the sleeve is in sealing connection with a sealing plug; the pull rod is slidably connected into the sealing plug; one end of the pull rod is fixedly connected with a leather cup, and the other end of the pull rod is fixedly connected with a handle; a spring is slidably connected to the outer end face of the pull rod; and a graduation ruler is fixedly mounted on the outer end face of the sleeve. The gun-barrel-length-adjustable grease gun for car overhaul is scientific in structure, reasonable in design, convenient to use and high in practicability.

The invention discloses a hand-held portable bionic picking device, which is an auxiliary artificial portable fruit picking device, comprising a picking chuck, a multi-stage adjustable telescopic rod, and a stepless transmission handle, wherein the picking mechanical chuck is suitable for picking small fruits , such as cherries, jujubes, oranges, etc.; the length of the rod is fixed by metal shrapnel after the extension or contraction of the telescopic rod; the steel wire rope of the stepless transmission handle, the closed terminal, the handle and the trigger; the present invention fixes the fruit through the clamp on the picking chuck At the same time, the blade on the chuck is used to cut the fruit handle of the fruit, which saves manpower, is easy to pick, and avoids the same fruit being affected by the pulling effect of the external force. The extension and contraction of the rod part of the multi-stage adjustment telescopic rod Determined by the button of the rope receiving device on the handle, the length of the steel wire is fixed after the button is released, which can realize the telescopic function within a certain length range and can be adjusted freely, while the stepless transmission handle realizes the effect of transmitting mechanical force.

The invention relates to a flange head and axle housing body assembly splicing point solid welding clamp which comprises a rack, a head and tail machine base, a flange head locating and clamping device, a flange head appearance locating device, an axle housing body assembly radial locating device and an axle housing body assembly center locating device. Flange heads and axle body assemblies need to be spliced in the production process of various stamped and welding axle housing assemblies, different locating cores and angle blocks are designed for the flange heads in different shapes and with different sizes, different clamping jaws are designed for different axle housing body assemblies, workpieces of different lengths meet length needs by adjusting the head and tail machine base, the production efficiency is high, and high universality is achieved.

The present invention discloses an expandable connector, and belongs to the technical field of electronic components of servers. The expandable connector disclosed by the present invention comprises a connector body and a connector mainline. The connector mainline is disposed on the connector body, and an expansion slot is formed on the connector body, and a PIN is disposed in the expansion slot, and the PIN conducts with the connector mainline. The expandable connector disclosed by the present invention is simple in structure, convenient for use and flexible for application, and is capable of realizing a one-to-double or one-to-triple connection of the I2C line, and is capable of providing common usage of line materials and reducing development costs, and the connector has great promotion and application value.

The invention discloses a bottom door system with overload protection. A plurality of strip-shaped knife edges are set through, and a hydraulic buffer is provided on the top surface of the cavity on the left and right sides. The present invention cooperates with the same central shaft by setting fourteen chopping knives to ensure that the fourteen chopping knives can be raised or lowered at the same time, so as to meet the user's demand for the length of straw and the matching power of the chopping knives. The bottom knife wheel cooperates with the bottom knife tension spring to recover the shredding knife after being hit by foreign objects, and the bottom knife cylinder between the bottom door welding and the connecting rod welding uses the principle of lever to amplify the hydraulic pressure to overcome the bottom The elastic force of the knife extension spring realizes the automatic recovery of the chopping knife after being hit by foreign objects, effectively provides protection for the chopping knife, avoids major damage to the chopping knife, and prolongs the service life of the chopping knife.

The invention relates to the technical field of component pin bending and shearing, in particular to an adjustable component pin bending and shearing integrated device. The technical problem of the present invention is to provide an adjustable component pin bending and cutting integrated device that can meet the needs of bending different positions of components and cutting different lengths of pins, and has high working efficiency. The technical solution of the present invention is: an adjustable component pin bending and shearing integrated device, including a base, a support arm, a limit ring, a column, a rotating disc, a fixed disc, a component tank, etc.; the base A plurality of uprights are installed on the top, and one end of the plurality of uprights is provided with a fixed plate. The present invention can realize the integrated bending and shearing processing operation of components through the cooperation of shearing parts and bending parts. The processing procedure is simple and fast, and the bending position and shearing length of components can be adjusted. wide.

The invention relates to a pipe lifting platform for submarine pipeline repairing. The pipe lifting platform is characterized by comprising a platform deck, a rectangular moon pool is arranged on the platform deck, a pair of sliding rails are arranged on the edges of the two sides of the moon pool in parallel, two pile fixing frames are arranged on the two sliding rails in a sliding manner, each pile fixing frame is connected with a pipe lifting truss in a vertical lift manner, each pipe lifting truss comprises two or more single truss sections, and every two single truss sections are connected through one or more hooping devices.

The invention relates to a round composite continuous sucker rod operation machine and method. A power roller and a prying platform are fixed to a transport vehicle, piston rods of front-back telescopic oil cylinders are connected with a movable frame, the movable frame is provided with a left-right moving oil cylinder, and the movable frame can move back and forth and leftward and rightward inside the prying platform; a cylinder body of a spiraling oil cylinder is connected to the movable frame in a hinged mode, a piston rod of the spiraling oil cylinder is connected with the upper end of a well head device assembly in a hinged mode, and the bottom end of the well head device assembly is connected with the movable frame in a hinged mode; the well head device assembly, a guide rod rack assembly and a gantry crane move back and forth and leftward and rightward along with the movable frame, so that alignment with a well head is achieved. The round composite continuous sucker rod operation machine and method have the advantages that the machine and method are suitable for ascending and descending operation of a round carbon fiber continuous sucker rod string, and the problems that a composite continuous sucker rod is great in brittleness and can be broken or cracked due to clamping easily, and holding force is hard to control are solved; the functions of well head alignment, descending of a round composite continuous sucker rod and ascending of the round composite continuous sucker rod are also achieved.

The invention discloses a medical material for treating uterine prolapse. The medical material is characterized in that an anchor net is arranged to be a strip-like sheet, wherein clamping fins raised and extending from the two side edges are arranged at the bottom of the anchor net; cutting separation lines are arranged on an upper section of the anchor net on a body of the anchor net; when the anchor net is transversely sheared at the upper ends of the cutting separation lines, the anchor net at the positions of the cutting separation lines on a lower section can be separated into net pieces; a lead fixing hole and a bottom fixing hole are formed at an interval along the length direction of the anchor net in the lower section of the anchor net; the line end of a suspending line can sequentially penetrate through the bottom fixing hole and the lead fixing hole and form a contracted and fixed net knot around the lead fixing hole surrounding the anchor net. According to the medical material, the anchor net can be ensured to be accurately placed, the net pieces are conformally and loosely rooted to the abdominal wall to ensure and improve the anchor effect of the anchor net in the abdominal wall, and the middle part of the suspending line is accurate in positioning.