47results about How to "Solve the problem of loose fixation" patented technology

The invention provides a fixing structure for a rotating material chamber in a carbon extruder. The fixing structure comprises two stands, the rotating material chamber, two rotating arms, two positioning parts and two bolt parts, wherein the rotating material chamber comprises two trunnions; the two trunnions respectively pass through shaft holes of the two stands to install the rotating material chamber between the two stands rotationally; the two rotating arms are respectively and fixedly mounted on the parts, extending out of the two stands, of the two trunnions; the rotating material chamber does not do relative movement with the two rotating arms; each positioning part and each bolt part are arranged on one side, adjacent to the corresponding rotating arm, of each stand; each rotating arm comprises two positioning surfaces and two grooves; and each bolt part comprises a bolt. The rotating material chamber can rotate to contact the two positioning surfaces with the two sides of each positioning part, and when one positioning surface is contacted with one positioning part, one bolt can be inserted into one groove to fix the corresponding rotating arm.

The invention provides a fixing structure for a rotating material chamber in a carbon extruder. The fixing structure comprises two stands, the rotating material chamber, two rotating arms, two positioning parts and two bolt parts, wherein the rotating material chamber comprises two trunnions; the two trunnions respectively pass through shaft holes of the two stands to install the rotating material chamber between the two stands rotationally; the two rotating arms are respectively and fixedly mounted on the parts, extending out of the two stands, of the two trunnions; the rotating material chamber does not do relative movement with the two rotating arms; each positioning part and each bolt part are arranged on one side, adjacent to the corresponding rotating arm, of each stand; each rotating arm comprises two positioning surfaces and two grooves; and each bolt part comprises a bolt. The rotating material chamber can rotate to contact the two positioning surfaces with the two sides of each positioning part, and when one positioning surface is contacted with one positioning part, one bolt can be inserted into one groove to fix the corresponding rotating arm.

The invention discloses a maintenance grounding lap bar with an automatic clamping mechanism, which includes a clamping block, a fixed right-angle bar, an automatic clamping mechanism, a rod body, an insulating handle cover, a following mechanism and a fixing piece, and the left side of the bottom of the clamping block is fixed Connect the top left side of the fixed right-angle bar, the middle part of the fixed right-angle bar is fixedly connected to the middle part of the automatic clamping mechanism, the bottom of the automatic clamping mechanism is fixedly connected to the top of the rod body, the bottom of the rod body is interference fit with the middle part of the insulating handle glove, and the bottom left side of the fixed right-angled bar is fixedly connected to the fixed piece On the right side, the middle part on the left side of the fixed piece rotates and connects with the top of the follower mechanism. The maintenance grounding lap rod with automatic clamping mechanism places the cable between the clamping block and the clamping block, the motor starts to drive the gear to rotate, and the gear drives the rack to move upwards so that the clamping block is close to the clamping block, which can effectively The purpose of automatically clamping the cable is achieved, which can effectively solve the problem that the existing lapping rod of the grounding wire is directly hung on the cable and cannot be fixed automatically.

The present invention discloses a combined intelligent carbon contact strip bracket tool convenient for bi-directional lineation. The tool comprises a bottom plate, a supporting block is arranged at the middle portion of the inner top surface of the bottom plate, a vertically-upward motor is arranged at the bottom of the right end face of the bottom plate, and the motor is movably connected with the supporting block through a transmission mechanism; the bottom face of a lifting plate is movably connected with the top face of the supporting block through a connecting rod mechanism; two bottom ends of a carbon contact strip are respectively fixed on two sides of the top surface of the lifting plate through clamping assemblies; a second telescopic cylinder is arranged on the top face of the left side wall of the bottom plate, a second connecting block is arranged at the top end of a second telescopic rod, a vertical sliding rod is arranged on the top face of the right side wall of the bottom plate, and a scribing assembly is arranged between the top face of the second connecting block and the vertical sliding rod. The invention further discloses an operation method of the combined intelligent carbon contact strip bracket tool convenient for bi-directional lineation. The combined intelligent carbon contact strip bracket tool is simple in structure and convenient to operate, scribing is conducted on the carbon contact strip with the assistance of the bracket tool, scribing accuracy and rapidness are improved, scribing efficiency and precision are improved, and machining cost isreduced.

The invention discloses a crane-type multifunctional pipeline dredging dump truck, which relates to the field of dredging equipment. The present invention includes a second-class chassis, a crane device, an engine, a transmission, a power take-off, a gear oil pump, a self-unloading device, a hydraulic station, a radiator, a hydraulic oil tank, a first hydraulic winch, a second hydraulic winch, Microcomputer controller, remote control receiver, and dredging grab, locker, dredging device, flipping device, guiding and fixing device carried on the vehicle; the present invention is provided with a flexible pull ring assembly on the dredging device and grab ;On the silt removal device, not only the connection between the movable cover and the cylinder is strengthened, but also a slope is set to prevent the incomplete dumping of silt; on the sliding rope device, the problem of not being firmly fixed to the wellhead is solved; , It can also dig horizontal pipes; it can also wash the car at the end of the operation; in operation, due to the high degree of automation, the operation is simple and saves manpower and material resources.

The invention relates to a fixed bracket snap-fit ​​rotary fin heat exchanger, which comprises a coiled layer structure spiral finned tube, at least two sets of spiral finned tube plane fixing frames clamped outside the spiral finned tube, and the plane fixing frame connecting The plate and the bottom fixing plate, the spiral finned tubes on the upper part of the spiral finned tube are connected and fixed by the plane fixing frame connecting plate at the end of the spiral finned tube plane fixing frame; the bottom of the spiral finned tube is in the same plane. The finned tubes are clamped in two sets of spiral finned tube plane fixing frames arranged in parallel. The ends of the same side of the two sets of spiral finned tube plane fixing frames are screwed with the bottom fixing plate through screws, and each bottom fixing plate is connected to the lower part. The ends of the plane fixing frame of the spiral finned tube corresponding to each layer of the spiral finned tube are connected and fixed to each other through the connecting plate of the plane fixing frame; the parts of the invention have simple structure, convenient processing, low cost, and fast and efficient assembly between parts , The components are firmly fixed and not easy to loosen.

The invention discloses a hardware cutting machine excellent in fixing performance. The hardware cutting machine comprises a base, a controller is arranged on the front surface of the base, two workbenches are symmetrically arranged at the top of the base, a cutting platform is arranged at the top of the base, two supporting columns are symmetrically arranged at the top of the cutting platform, a rotating shaft is arranged between the supporting columns, two ends of the rotating shaft penetrate the supporting columns and are connected with first bearings arranged on one sides of the inner walls of the supporting columns, and a cutting blade is arranged on the rotating shaft. When the hardware cutting machine is in use, through a fixing device arranged at the top of a first automatic extensible rod, a second automatic extensible rod and a slider arranged inside the fixing device, a manipulator connected outside the fixing device and a resetting spring connected on the manipulator, the problem that hardware parts are infirm in fixing in the cutting process is solved, and errors generated during cutting are well avoided.