15results about How to "Avoid rotational movement" patented technology

The utility model discloses a polishing belt sander, and relates to the technical field of polishing belt sanders. The polishing device comprises a workbench, a side plate is arranged on the rear side of the top of the workbench, a polishing machine is arranged on the front side of the side plate, a belt is arranged in the polishing machine, an upper movable block and a lower movable block which are symmetrical are arranged in the belt, and a threaded hole and a through hole are formed in the left side and the right side of the interior of each movable block respectively. And a loosening assembly with a lifting function is arranged in the side plate. The loosening assembly drives the movable block to move upwards and downwards respectively till the upper end enables the belt to be located in the containing groove, the belt loses tension through stretching of the movable block, and then the belt can be taken out and replaced with a new belt. The problems that a grinding wheel or a driving motor needs to be detached from the machining position of a machine tool for replacement of a belt, the working time is prolonged, and the production efficiency is reduced are solved, a cleaning assembly is driven to clean dust on the top of a transmission mechanism, and the dust is prevented from falling into the belt.

This invention discloses a multifunctional anchor bolt support device, comprising: a base, a first hollow shaft, a second hollow shaft, a grouting shaft, a drive component, and a transmission assembly. The first hollow shaft is rotatably mounted on the base and sleeved around the second hollow shaft. Rotation of the first hollow shaft can drive the second hollow shaft to move along its length. The second hollow shaft is sleeved around the grouting shaft and can rotate unidirectionally relative to the grouting shaft. The grouting shaft has multiple fluid channels respectively communicating with the central through-hole of the first hollow shaft. The drive component is mounted on the base and connected to the first hollow shaft via the transmission assembly to drive its rotation. This multifunctional anchor bolt support device avoids the fluid channels rotating relative to the surrounding environment during operation, making the fluid channels suitable for conveying easily reactive and volatile fluid media.

The application discloses a flow-adjustable multi-stage throttling device and application thereof, wherein the device comprises a front flange pipeline, a flow-adjustable component and a rear flange pipeline, and the front flange pipeline and the rear flange pipeline are tightly connected; the flow-adjustable component comprises a plurality of adjustable orifice plate assemblies arranged in the inner cavity of the flange pipeline formed by the front flange pipeline and the rear flange pipeline; each adjustable orifice plate assembly comprises a sealing cover plate, a bottom plate, an adjusting rod, a rotating disc and a driver; the adjusting rod is arranged in the mounting hole of the bottom plate, the rotating disc is mounted on the bottom plate, the driver is mounted on the sealing cover plate, and the throttling hole of the sealing cover plate and the throttling hole of the bottom plate are communicated to form a throttling window; the driver is used for driving the rotating disc to rotate when rotating; the rotating disc is used for driving the adjusting rod to enter or exit the throttling window through the rotating wheel, so that the effective throttling area of the throttling window is changed. The application can actively and low-noise adjust the flow under different working conditions.

This invention discloses a multifunctional drilling box for statically determinate fluid channels. The multifunctional drilling box includes a base, a first rotating shaft, a second rotating shaft, an anchoring assembly, a drive component, and a transmission assembly. The first rotating shaft is rotatably mounted on the base and has a first through hole. The second rotating shaft fits within the first through hole and is movable along the length of the first rotating shaft, and has a second through hole. The anchoring assembly is slidably mounted on the base, passes through the second through hole, and is rotatably connected to the second rotating shaft. The anchoring assembly has multiple fluid channels, each communicating with the first through hole. The drive component is mounted on the base and is connected to the first rotating shaft via the transmission assembly to drive the first rotating shaft to rotate. This multifunctional drilling box for statically determinate fluid channels avoids rotational movement of the fluid channels relative to the surrounding environment during operation, making the fluid channels suitable for conveying easily reactive and easily volatile fluid media.

The utility model discloses a hand-push type grinding machine, and relates to the technical field of grinding machines. The bottom of the working box is provided with a moving assembly with a moving function, the top of the working box is provided with a movable box, the front side of the interior of the movable box is provided with an inner cavity, the interior of the inner cavity is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a first rotating shaft; a locking assembly is arranged at the output end of the first rotating shaft, and an inner grinding wheel is arranged on the front side of the locking assembly. The lifting assembly drives the movable box to move upwards or downwards till the outer grinding wheel on the front side of the movable box corresponds to the position of a product, the first rotating shaft drives the inner grinding wheel and the outer grinding wheel to rotate through the locking assembly to start to polish the product, and the connecting rod and the outer grinding wheel can be conveniently disassembled through the locking assembly; the connecting rod and the outer grinding wheel are easy to replace, and sweeps generated during grinding of the connecting rod and the outer grinding wheel are recycled through the collecting assembly.

The present invention relates to a manual rotary pipe cutting machine and a pipe cutting method, and belongs to the field of pipe cutting. The present invention includes a pipe cutting machine frame, and the pipe cutting machine frame includes a lower tool holder, an upper tool holder, a feed screw and a feed nut. The lower tool holder is connected to the upper tool holder through the feed screw and the feed nut. Its structural characteristics are: the manual rotary pipe cutting machine also includes a supporting mechanism and a driving mechanism. The pipe cutting machine frame and the supporting mechanism are both connected to the driving mechanism. The driving mechanism includes a driving claw and a driving rod. The driving rod is connected to the driving claw, and the driving claw cooperates with the pipe cutting machine frame. A guide head, a first slope section, and a second slope section are sequentially arranged in the driving claw. The driving mechanism uses the second driving shaft as a fulcrum, the driving rod as a force arm, and the driving claw as a force-bearing arm to form a labor-saving driving structure to drive the pipe cutting machine frame to rotate and cut.

The invention relates to a damping valve device for a vibration damper, comprising: a valve carrier having an annular recess in which an annular valve element having a variable diameter is arranged, which valve element forms a throttle point together with a flow guide surface, the valve element being switched from an open position into a throttle position as the flow rate in the throttle point increases; the invention relates to a valve element for an internal combustion engine, comprising a valve element and an annular and slotted return spring which bears against a vertical side of the valve element and has two impact ends, which return spring moves the valve element back in the direction of an open position, the vertical side having at least one radially oriented recess for receiving one of the impact ends.

The invention relates to a pedal assembly (1) for a vehicle, comprising at least one pedal unit (10) for triggering a vehicle function, which pedal unit comprises a modularly constructed pedal head (20), and at least one mechanically sprung base unit (30), the pedal head is connected with a housing cover (7) which can move along the height direction (z) of the pedal unit (10) with a small stroke and is used for receiving the actuating force of the foot of a driver. The base unit is arranged between the at least one pedal unit (10) and the body of the vehicle and fixes the at least one pedal unit (10) to the body of the vehicle, and provides an additional stroke (H) along the height direction (z) of the pedal unit (10) when the pedal unit (10) is actuated, and thereby changes the tactile feedback at the driver's foot.

The present invention discloses a large-caliber, high-pressure, low-torque ball valve, comprising a graphite ring, a valve seat, a sphere, a valve body, a lower bearing, a stuffing box, a receiving disc, a valve stem, a turbine head, a turbine, a turbine cover and a locking device, wherein the inner ring of the graphite ring is fixed with a fixed seat, a spring is fixed on the left side of the valve seat, self-lubricating layers are fixed on the top and bottom of the sphere, slideways are arranged around the inside of the valve body, the top of the lower bearing penetrates through the bottom of the valve body and is fixedly connected with the shaft seat at the bottom of the sphere, the stuffing box is installed on the top of the valve body, the receiving disc penetrates through the stuffing box through a fixing nut, the bottom of the valve stem penetrates through the receiving disc and the stuffing box and extends into the inside of the valve body, a connecting groove is arranged on the left side of the turbine head, and the large-caliber, high-pressure, low-torque ball valve is provided with a filter screen, through which impurities in water entering the valve body are filtered, so as to avoid impurities in the water being left between the valve body and the sphere, causing scratches on the sphere and the impurities, thereby affecting the accuracy of the entire surface of the sphere.

The invention relates to the technical field of power transmission tower cable fixing, in particular to a power transmission tower cable fixing device and a using method thereof.The power transmission tower cable fixing device comprises a lower base part, an upper base part and a high-voltage cable, the lower base part and the upper base part are matched and are each of a square block structure, and an upper moving part, a lower containing groove and an upper containing groove are formed in the lower base part and the upper base part; the upper moving part is arranged on the upper base part in a sliding mode and is of a concentric-square-shaped block structure, the lower containing groove is formed in the upper end of the lower base part, and the upper containing groove is formed in the lower end of the upper base part and the lower end of the upper moving part. According to the invention, by pushing the upper moving part downwards, the moving rack moves downwards, so that the circle center of the annular connecting part rotates to be aligned with the circle centers of the closed lower placing groove and upper placing groove, and the high-voltage cable between the annular connecting part and the edge of the lower placing groove is in a horizontal state; therefore, the bending fracture probability of the end of the high-voltage cable is reduced, and the service life of the high-voltage cable is prolonged.

The present invention discloses a traction system for heart valve forming, including a stretcher body, a support frame detachably mounted on the stretcher body, a second adjustment platform detachably mounted on the support frame, a positioning cylinder mounted on the second adjustment platform, a fine-tuning mechanism movably mounted on the positioning cylinder, a pull rope mounted on the fine-tuning mechanism, a movable bead mounted on the pull rope, both ends of the pull rope extending outward through both ends of the positioning cylinder, and a pull claw mounted on one end of the pull rope, a first adjustment platform detachably mounted on the support frame on one side of the first adjustment platform, and a traction mechanism for pulling the pull rope mounted on the first adjustment platform. The present invention provides a series of structures, so that the heart valve forming traction system, during the valvuloplasty operation, takes the sternal stretcher as the basis, and uses the small volume characteristics of the rope body to avoid interference with the doctor's operation, and adjusts the rope body traction to meet the needs of surgical use.

The utility model relates to rubber fender suspension technical field, and disclose a kind of for connecting rubber fender's hanger, including backplate, the top of backplate left side is fixedly connected with adjusting box, and the top and bottom of adjusting box inner cavity are rotatably connected with screw rod between through bearing, the outer surface of screw rod is connected with rectangular plate with screw thread, the left side of rectangular plate is fixedly connected with driving plate, the left side of backplate and located the outside of adjusting box are slidably connected with concave suspension frame, the utility model is connected with rectangular plate, driving plate, concave suspension frame, mounting hole and rocking handle by setting backplate, adjusting box, screw rod, can be suspended installation to rubber fender, simultaneously, it is convenient to carry out vertical adjustment to its installation position, by setting limiting component, rocking handle can be conveniently self-locked, avoid self-rotation movement, influence installation height, by setting above structure, can have installation adjustment function, to satisfy the use demand of customer, avoid that there is limitation in installation use.

This invention relates to the field of cutting tool technology, specifically to a general-purpose alloy milling cutter disc with chip breaker grooves for roughing and finishing. It includes a milling cutter, a tool holder mounted on the top of the cutter, and multiple chip removal grooves arranged in a circular array on the bottom of the cutter. Chip breaker grooves are formed between the chip removal grooves. A tool holder is located on the top of the milling cutter, and two L-shaped seats are mounted on the left and right sides below the tool holder. Connecting seats are mounted on the top of the two L-shaped seats. Locking components are located on the front and rear sides of the tool holder for locking the tool holder. A limiting component is located in the middle of the vertical end of the L-shaped seats. This invention, by setting the locking components, allows the sidewalls of the tool holder to be pressed by the two pressing seats, and simultaneously, the top surface of the tool holder is pushed by a pressing rod, thus ensuring a firm connection of the tool holder within the tool holder. This invention, through its pushing design, ensures that the tool holder is subjected to pressure from all directions, improving the connection stability of the invention.

An intelligent anti-swing device of a crane effectively solves the problems that a mooring rope is prone to swing and potential safety hazards exist, and comprises a main beam, a crane carriage, supporting legs and a cart running mechanism, a positioning plate is arranged below the crane carriage, and anti-swing mechanisms are arranged on the left side and the right side of the positioning plate respectively. The anti-swing mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod and the second connecting rod are hinged to the crane carriage, the third connecting rod and the fourth connecting rod are hinged to the positioning plate, a positioning shaft is arranged above the positioning plate, and the first connecting rod and the third connecting rod are hinged to the positioning shaft. The second connecting rod and the fourth connecting rod are hinged to the positioning shaft, a first circular ring is fixed to the positioning shaft, a first guide rod is arranged on the positioning plate, the first circular ring slides on the first guide rod in the left-right direction, a second guide rod in the vertical direction is fixed to the supporting leg, the second guide rod is slidably connected with a second circular ring, and a third guide rod is fixed to the second circular ring. And the first guide rod is fixedly connected with the third guide rod.

The utility model discloses a waste collecting box used in baby dress processing and production, and relates to the technical field of clothing waste collecting equipment. The device comprises a storage box, a moving assembly with a moving function is arranged at the bottom of the storage box, a collecting box is arranged in the storage box, partition plates arranged at equal intervals are fixedly connected to the interior of the collecting box, the interior of the collecting box is divided into three spaces with the same size by the partition plates, and three rectangular holes arranged at equal intervals are formed in the front side of the collecting box. Through holes are formed in the side wall faces of the rectangular holes, and sliding grooves are formed in the top ends of the interiors of the rectangular holes. A worker finds the corresponding cabinet door and manually pulls the pull rod sleeve to drive the cabinet door to be pulled rightwards, the cabinet door penetrates through the sliding groove, then the pull rod sleeve is arranged on the outer wall face of the vertical rod in a sleeving mode, the cabinet door is separated from the interior of the rectangular hole and fixed to the right side of the rectangular hole, and then infant clothing waste can be taken out and placed on the shearing mechanism. And classified recovery and classified treatment of the baby clothing waste are realized.