20 results about "Line shaft" patented technology

The invention discloses a loropetalum chinense comb cradle driving device, and particularly relates to the field of warp knitting machines. The invention provides a loropetalum chinense comb cradle driving device which comprises a cradle body, a line shaft, a quick release mechanism, a balancing weight, an adjusting mechanism, a connecting rod and a power source, the cradle body comprises a cradle part and a swing arm part, one end of the swing arm part is detachably connected with the cradle part, a mounting hole is formed between the swing arm part and the cradle part, the line shaft is arranged in the mounting hole, and the quick release mechanism is arranged on the line shaft. The quick dismounting mechanism is arranged between the swing arm part and the cradle part and used for quickly dismounting the cradle body from a line shaft, the balancing weight is arranged on the swing arm part, the adjusting mechanism is arranged between the balancing weight and the swing arm part and used for adjusting the position of the balancing weight so as to change the inertia moment of the swing arm part, one end of the connecting rod is rotatably arranged at one end of the swing arm part, and the other end of the connecting rod is rotatably arranged at the other end of the swing arm part. The power source is connected with the other end of the connecting rod and used for driving the connecting rod to drive the cradle body to reciprocate.

A pipeline shaft pump for extracting fluid from a geothermal production well is proposed, wherein the geothermal production well includes an inner well surface, and wherein the pipeline shaft pump includes a drive unit and a hydraulic unit having a rotor, wherein the hydraulic unit includes: an inlet section for receiving fluid under suction pressure; an outlet section including a discharge head for discharging fluid under discharge pressure; and a riser pipe. The invention also proposes a method for installing the pipeline shaft pump.

The utility model discloses a simple bucket lifting device which comprises a bucket lifting frame assembly, a bucket lifting box assembly and a bucket lifting traction assembly, a top cross beam is provided with an inclined strut piece, an inclined strut fixing piece and a first pulley rod, and the bucket lifting box assembly comprises a second pulley, a bucket lifting box, a rotating arm unit and a second pulley rod; the second pulley rod is welded to the lower middle portion of the back face of the bucket suitcase, second pulleys are assembled at the two ends of the second pulley rod respectively and slidably arranged in the bucket suitcase track, and the bottom of the rotating arm unit is rotationally connected with the front end of the bucket suitcase. The traction motor is arranged on the top cross beam, an output end shaft of the traction motor is provided with a traction line shaft, the traction line shaft and the first pulley are arranged in parallel, one end of the traction line acts on the traction line shaft, the traction line passes through the first pulley, and the other end of the traction line acts on the top of the rotating arm unit. The bucket lifting device is simple and compact in structure, and compared with a traditional complex bucket lifting device, the bucket lifting device is simple in component number and easy to manufacture and machine, and production cost is effectively reduced.

The utility model provides the main wire shaft capable of quickly winding up the wire. The main wire shaft capable of quickly winding up the wire comprises a bottom cover, a center shaft is fixedly connected to the center position of the top of the bottom cover, a fluted disc is fixedly connected to the surface of the inner wall of the bottom cover located on the outer side of the center shaft, a shaft body is arranged on the upper side of the bottom cover, and a barrel is fixedly connected to the center position of the surface of the shaft body; the barrel body is rotatably connected with the central shaft, two positioning ribs are fixedly connected between the barrel body and the inner wall of the shaft body, the two positioning ribs are symmetrically arranged front and back, a cross-shaped rib is fixedly connected to the inner wall, located on one side of the barrel body, of the shaft body, and a tooth buckle is fixedly connected to the inner wall of one side of the cross-shaped rib through a connecting piece. The main wire shaft capable of quickly collecting the wires has the advantages that the main wires can be conveniently and quickly collected, and meanwhile wire sets can be firmly and quickly fixed to the main wire shaft.

The utility model discloses a printing book sewing machine line supply mechanism which comprises a base, a supporting frame is arranged on the upper portion of the base, a sliding rod is arranged on the inner side of the supporting frame, a plurality of sets of sliding blocks are arranged on the surface of the sliding rod, and the sliding blocks are connected with the sliding rod in a sliding mode. A connecting plate is arranged on the lower portion of the sliding block, a supporting plate is arranged on the side face of the connecting plate, and a connecting rod is arranged between the supporting plate and the sliding block. The pressing plate is arranged on the upper surface of the wire shaft and is in sliding connection with the wire shaft, the locking nut is arranged on the surface of the pressing plate and is in threaded connection with the wire shaft, after the wire wheel is placed on the surface of the wire shaft, the pressing plate is installed on the surface of the wire wheel, and the wire wheel is fixed by rotating the locking nut. The wire wheel is prevented from being separated in the wire supply process, meanwhile, the locking wire in the wire wheel is wound on the surface of the guide wheel, friction force is greatly reduced in the wire supply process, and therefore the locking wire is prevented from being damaged.

The utility model relates to the technical field of floor spring detection, in particular to a load assembly for floor spring detection, which comprises a detection door frame and a plurality of counterweight rods, the detection door frame is provided with a rotating stand column, the upper end of the rotating stand column is provided with a connecting cylinder, and the lower end of the rotating stand column is provided with a test hole used for being connected with a line shaft of a floor spring. The axis of the connecting cylinder coincides with the axis of the test hole, the detection door frame is provided with balance weight grooves which are used for placing balance weight rods and are sequentially stacked from bottom to top, and pressing devices used for pressing one ends of the balance weight rods are arranged in the balance weight grooves. By implementing the load assembly for floor spring detection, the durability of the floor spring can be detected in different load bearing states, and the smoothness of durability detection of the floor spring can also be ensured.

The utility model discloses a telescopic lifting test rod system, including support seat, set up in the top of support seat's electric cylinder and set up in the top of support seat's telescopic rod subassembly, and electric cylinder is linked with telescopic rod subassembly through telescopic control rope, still be provided with the comb line subassembly in the top of support seat, and the comb line subassembly includes setting up in the top of support seat's comb line support, fixed mounting in the top of comb line support's lead screw motor, fixed mounting in the top of comb line support's slide rail, power connection in the output of lead screw motor's sliding block and rotatable installation on the sliding block's comb line shaft, and the sliding block sliding installation is on the slide rail, and reciprocating sliding along the slide rail under the drive of lead screw motor, and the telescopic control rope is passed through in the comb line shaft. The system can realize electric lifting, has good wire arranging capacity and telescopic length measuring capacity, and the overall stability is good, and the structure is simple and compact, and the lifting operation is simple and convenient, and the practicality is strong.

The invention relates to the technical field of compressed air energy storage power generation, in particular to a line shaft type pneumatic flywheel energy storage power generation device, and mainly solves the technical problems that an existing compressed air energy storage power generation device is low in energy conversion rate and limited in installed machine type and construction site selection conditions. According to the device, compressed air is prepared and stored through the pneumatic unit in the power generation peak with sufficient resources, the compressed air is released in the power utilization peak of the power grid, power is generated through the generator, stable electric energy is output, peak regulation and frequency modulation are conducted on the system, and therefore regulation and control energy storage of the power grid system is achieved. According to the device, a rotating force arm is lengthened through the high-low position difference between the line shaft operation assembly and the ground transmission assembly, the rotating torque of the rotating and swinging assembly is increased, incremental rotating kinetic energy is obtained through multi-stage driving operation, the installed energy conversion rate is increased, meanwhile, the consumption of compressed air resources can be effectively reduced, and the cost is reduced. The system operates in an effect-increasing, consumption-reducing and energy-saving state, so that the installed machine type and the construction site selection condition are more flexible.

A line shaft pump includes a drive unit and a hydraulic unit. A riser tube of the hydraulic unit includes an outer surface and an inner surface, and is arranged vertically between an impeller section and a discharge head. An essentially impermeable lubricant retention tube is arranged within the riser tube and surrounds a line shaft, providing an essentially vertical channel delimited in a radial direction by the line shaft and the lubricant retention tube. A hydraulic section includes a centralizer to receive the riser tube, the centralizer is in intimate contact to the outer surface. Radial dimensions of the centralizer are smaller than radial dimensions of an inner well surface, and the radial distance between the outer surface and the inner well surface is essentially constant in all radial directions at an axial position of the centralizer, and the centralizer includes an additional axial through hole.

The invention relates to the technical field of starter over-rotation protection, in particular to a gas turbine starter over-rotation protection control device and method. An over-rotation protection control device of a gas turbine starter comprises a control box suitable for being arranged on the outer side of the gas turbine starter, the control box is arranged in the control box, and the gas turbine starter comprises a gas generator unit body and a power output unit body; the first rotating speed sensor is arranged on a fuel gas generator shell of the fuel gas generator unit body, and the first rotating speed sensor is suitable for measuring the first rotating speed of a fuel gas generator rotor; and the second rotating speed sensor is arranged on the power output shell of the power output unit body, and the second rotating speed sensor is suitable for measuring the second rotating speed of the line shaft gear so as to indirectly reflect the rotating speed of the power turbine. The invention provides an over-rotation protection control device and method for a gas turbine starter, and aims to solve the problems of power turbine collection failure and power turbine over-rotation fracture when a transmission chain is abnormal.

This invention relates to the field of compressed air energy storage power generation technology, specifically to a top-axis pneumatic flywheel energy storage power generation device. It primarily addresses the technical problems of low energy conversion efficiency and limitations in installed capacity and site selection for existing compressed air energy storage power generation devices. During peak power generation periods with abundant resources, this device generates and stores compressed air using a pneumatic motor unit. During peak grid demand periods, the compressed air is released and used to generate electricity through a generator, outputting stable electrical energy and performing peak shaving and frequency regulation for the system, thereby achieving grid system regulation and energy storage. This device also utilizes the height difference between the top-axis running component and the ground transmission component to lengthen the rotational lever arm, increase the rotational torque of the rotating oscillating component, and employs multi-stage drive operation to obtain incremental rotational kinetic energy, thereby improving the installed energy conversion efficiency. Simultaneously, it effectively reduces compressed air consumption, achieving system efficiency improvement and energy-saving operation, making the installed capacity and site selection more flexible.

The utility model discloses a barrel shaft inner rotor motor, which comprises a shell, an outer end cover, a wire outlet end cover, a barrel shaft, a tower footing and a machine core, the barrel shaft is provided with a first through hole, a wire outlet shaft is integrally formed in the center position of the wire outlet end cover, the wire outlet end cover is rotatably arranged at the left end of the shell through a first ball bearing, and the tower footing is provided with a second through hole. The outer end cover is fixedly installed at the right end of the shell in a threaded connection mode. And the hub motor and the frame can be quickly mounted or dismounted through the quick dismounting rod, and maintenance and replacement are convenient. Compared with a traditional motor, a barrel shaft form is used, an internal structure and an installation mode are optimized, the installation efficiency of a whole vehicle factory and a consumer is improved, an independent integrated wire outlet end cover and a wire outlet shaft are arranged, a stepped hole and a wire outlet hole are convenient to machine and form, meanwhile, the overall structural strength of the shell can be guaranteed, and after the integrated wire outlet end cover and the wire outlet shaft are damaged, the shell is not damaged. Therefore, the maintenance cost is reduced.

The utility model provides a novel thin motor joint module, which relates to the technical field of joint modules and comprises a power component, a speed reducer component and an output component which are all arranged in a shell. A lead shaft penetrates through the centers of the power assembly, the speed reducer assembly and the output assembly, and a threading hole is formed in the side wall of the lead shaft; the power assembly is provided with an axial magnetic flux motor and a driver, the output assembly is provided with a torsion sensor, and the torsion sensor pulls a signal line to the rear end through a hollow lead shaft so that the driver can read torsion information. The joint module has the advantages that the lead shaft penetrating through the center of the power assembly, the center of the speed reducer assembly and the center of the output assembly is arranged, the torsion sensor pulls a signal line to the rear end through the hollow lead shaft so that a driver can read torsion information, and therefore signals can be transmitted in time, and operation of the joint module is more accurate and stable.

The utility model relates to the technical field of door control accessories, in particular to a floor spring auxiliary inspection device which comprises a workbench, a door frame, a clamping mechanism installed on the workbench and used for clamping a floor spring and a jacking mechanism used for jacking up the door frame. The upper end of the rotating stand column is provided with a connecting cylinder which is connected with the workbench in an up-down sliding and rotating mode, the floor spring is provided with a line shaft, and the lower end of the rotating stand column is provided with a connecting groove for the line shaft to stretch in so that the door frame and the line shaft can rotate synchronously. According to the auxiliary inspection device for the floor spring, the relative position of the floor spring and the workbench can be fixed, a door frame does not need to be repeatedly lifted manually, the labor intensity for assembling and disassembling the floor spring is lower, less time is occupied, and the inspection efficiency is improved.

The utility model relates to a single-wheel and double-wheel universal field management machine which comprises a gearbox, a power input shaft and a power output shaft, the gearbox is provided with a power output main shaft, and the power output main shaft is used for transmitting power after speed changing to the power input shaft. The power input shaft comprises a first power input shaft and a second power input shaft, wherein the axis extension line of the first power input shaft intersects with the axis extension line of the power output line shaft, and the second power input shaft is arranged in an offset mode relative to the plane formed by the axis of the power output line shaft and the axis of the first power input shaft. And the power output shaft is used for outputting the received power of the power input shaft to a corresponding working part of the field management machine. And a single wheel and double wheels can be universally used on the same machine type, replacement and assembly between the single wheel and the double wheels are facilitated, and the applicability is improved.

The utility model discloses a copper outlet brick for a copper rod continuous casting and rolling line shaft furnace, which relates to the technical field of copper outlet bricks, and is characterized in that the copper outlet brick for the copper rod continuous casting and rolling line shaft furnace comprises a brick body, and one surface of the brick body is of an arc-shaped structure; the copper liquid channel is formed in the brick body and is of a horn mouth-shaped structure; according to the copper outlet brick for the copper rod continuous casting and rolling line shaft furnace, one face of the brick body is arranged to be of the arc-shaped structure, the brick body is oppositely attached to a lining of the shaft furnace, the fireproof plate is arranged so that the internal pressure of the shaft furnace can be conveniently reduced, the fireproof plate assembly is designed to be of a structure capable of being rapidly replaced, and when the fireproof plate assembly is installed, the elastic limiting assembly can be ejected out; the upper brick body and the lower brick body are rapidly positioned, accurate assembly and stable positioning with the brick bodies are achieved, when disassembly and independent maintenance are needed, the fireproof plate assembly is disassembled, the elastic limiting assembly is also retracted, and the damaged brick bodies are conveniently and independently disassembled and maintained.

The utility model discloses a coiled material winding device for a hot rolling production line, and relates to the technical field of hot rolling production. The device comprises a base, a workbench, movable seats and a telescopic connecting piece, receding grooves allowing the two movable seats to horizontally move are symmetrically formed in one side of the upper end of the base, mounting seats are fixed to the tops of the two movable seats, and lining shafts used for abutting against spools are rotationally connected into the two mounting seats through bearings. The two lining shafts can be used for fixing, driving and rotating the I-shaped wheel for winding the steel coil, and the limiting nut can be unscrewed in the later period so that the sleeve and the extension shaft can be stretched. The driving motor is started to enable the threaded sleeve outside the double-end lead screw to drive the two movable seats to do synchronous far-reaching motion, and in the process, the two lining shafts abutting against the interior of the spool are separated from the spool, and then the steel coil falls to the arc-shaped supporting block to be taken out by a worker.

The utility model relates to the technical field of vertical shaft outgoing lines, and provides an assembly type water storage power station outgoing line vertical shaft structure which comprises a movable plate, the top of the movable plate is fixedly connected with a fixing block, one side of the fixing block is fixedly connected with a rod sleeve, and a hollow rod is movably embedded in the inner surface of the rod sleeve. The inner surface of the rod sleeve is fixedly connected with a shaft plate, the interior of the shaft plate is rotationally connected with a threaded rod, the outer surface of the threaded rod is in threaded connection with an inner threaded sleeve, the outer surface of the inner threaded sleeve is fixedly connected with two fixing plates, and the ends, away from the inner threaded sleeve, of the two fixing plates are fixedly connected to the inner surface of the hollow rod. According to the utility model, the distance between the pipeline and the inner wall can be reasonably adjusted according to actual wiring requirements, the internal space of the vertical shaft is fully utilized, the space utilization rate is improved, when the pipeline needs to be maintained, overhauled or replaced, the distance between the pipeline and the inner wall can be increased, a wider operation space is provided for workers, and the operation is convenient.

Disclosed is a main shaft for an aircraft turbine engine drive line extending longitudinally from front to rear along an axis and having a rear portion configured for receiving a front portion of a rear shaft by interlocking, the main shaft having: —a front retaining member and a rear retaining member together defining a prison and each having a central opening, —a connecting ring, located in the prison, having a rear end configured to be screwed to a front end of the rear shaft extending into the central opening of the rear retaining member, the connecting ring having a gripping member formed on the inner surface and accessible from a front portion of the main shaft by a tool extending via the central opening of the front retaining member.

The utility model provides a spool pay-off tension constant mechanism for a warping frame, which belongs to the technical field and comprises a frame, a guide roller group, a tension regulating roller and a magnetic powder clutch. The guide roller set is rotationally arranged on the rack and located on the advancing path of the metal wire. And the metal wire is wound on the guide roller group, so that the metal wire passing through the guide roller group has tension. The tension adjusting and controlling roller is rotationally arranged on the machine frame and located on the downstream portion of the guide roller set. And the tension regulating roller is in transmission connection with the guide roller group. And the metal wire is wound on the tension regulating roller. The magnetic powder clutch is fixedly arranged on the rack, and the output end of the magnetic powder clutch is connected with the tension adjusting and controlling roller so that the tension adjusting and controlling roller and the guide roller set can have linear damping. According to the spool pay-off tension constant mechanism for the warping frame, due to secondary dynamic compensation of the tension regulation and control roller connected with the magnetic powder clutch, instantaneous tension sudden change caused by inertia release of a metal wire is effectively avoided.