103results about How to "Low installation accuracy requirements" patented technology

The invention relates to the technical field of annealing furnaces, in particular to a swirl injection type energy-saving annealing furnace. The device comprises outer shell plates and an air duct, the outer shell plates are spliced to form a hearth, the air duct is arranged in the outer shell plates to form an air path for convective circulation, the air duct is connected with a circulating fan, and air in the air duct and an inner cavity of the hearth is driven by the circulating fan to actively convectively circulate. The air direction of air convection circulation of the air channel faces the side face and the lower portion of the workpiece needing annealing, and a heat preservation layer is attached to the inner surface of the outer shell plate. The shell plate is used for supporting a main body structure of the furnace body, the air duct is used for achieving circulation convection of air flow, the annealing efficiency and the annealing quality of the metal coiled materials are improved through circulation convection of high-temperature air flow, the heat preservation layer is used for storing internal heat, reducing energy leakage and effectively reducing loss, and the circulation fan is used for providing power for circulation convection of the air flow.

The invention relates to the technical field of reactor thermal hydraulics and safety, in particular to a long electric heating plate heat insulation structure and a heat transfer simulation experiment device with the long electric heating plate heat insulation structure. The long electric heating plate heat insulation structure comprises a heat insulation base, a heating plate and a cementing layer. The heat insulation base is configured to be a ceramic resin plate, and a sinking groove is formed in one plate face of the heat insulation base. The heated plate is arranged in the sinking groove so that the plate face of the heated plate can be flush with the plate face of the heat insulation base, and the surface, corresponding to the groove wall and the groove bottom of the sinking groove, of the heated plate is provided with a micropore aluminum oxide ceramic layer which is subjected to nanocrystallization treatment through an active coupling agent. And the cementing layer is arranged between the heated plate and the heat insulation base in a high-temperature vacuum pressure environment. According to the heat transfer simulation experiment device, it can be ensured that the heated plate has good single-side heat dissipation performance under the temperature working condition that the surface of the dispersion type fuel element is blistered, the experiment safety during operation of the heat transfer simulation experiment device can be ensured, and the accuracy of a measurement result in a simulation experiment can be ensured.

The invention provides a universal Bipod vibration isolation assembly. The universal Bipod vibration isolation assembly comprises a driving supporting leg, a feedback control device, a spring damping vibration isolator, a passive vibration isolation support, a base, an unlocking gasket and an external cover plate. The bottom of the spring damping vibration isolator is installed in the passive vibration isolation support, the external cover plate is installed on the top of the spring damping vibration isolator, and one or more unlocking gaskets are detachably installed between the external cover plate and the passive vibration isolation support. The two driving supporting legs are installed on the two sides of the passive vibration isolation support respectively, the other ends of the driving supporting legs are installed on the base, and the two feedback control devices are installed on the external cover plate and in the driving supporting legs respectively in the axial direction of the two driving supporting legs. Two-degree-of-freedom vibration isolation can be achieved by connecting the dual-drive supporting legs with the spring damping vibration isolators in series; a plurality of vibration feedback control modes are provided through the combination of a force sensor and an accelerometer; the vibration isolation assembly has two vibration isolation states through the unlocking gasket, the requirement for installation precision is low, and the space occupancy rate is small.

The utility model provides a quick-changing support and an electric vehicle, and relates to the field of electric vehicle battery changing. The quick-change support is used for being installed on a beam of the electric vehicle to fix a battery pack, the quick-change support comprises a cantilever beam, a locking mechanism and a fixing mechanism, and the cantilever beam comprises a front cantilever beam body and a rear cantilever beam body which are arranged on the beam at intervals in the length direction of the electric vehicle; the fixing mechanism is arranged between the front cantilever beam and the rear cantilever beam and connected to the front cantilever beam and the rear cantilever beam, and the locking mechanism is arranged on the front cantilever beam and the rear cantilever beam. The locking piece on the battery pack can be mutually locked and fixed with the locking mechanisms on the front cantilever beam and the rear cantilever beam, so that the interference between the battery pack and elements such as a transmission shaft in the middle of the beam is avoided; the integral quick-change bracket can increase the mounting stability between the integral quick-change bracket and the vehicle beam, and can still keep the consistency of the integral structure when the vehicle beam is twisted and the like.

The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.

The invention belongs to the technical field of sealing, and particularly relates to a combined sealing piece, a manufacturing method thereof and a sealing structure. The combined sealing piece comprises a first supporting ring, a second supporting ring, a first graphite ring, a second graphite ring and an alloy ring. The first graphite ring and the second graphite ring are constructed to be capable of conducting sealing operation on the first sealing face and the second sealing face correspondingly, and the alloy ring is constructed to be capable of being melted in response to temperature rising, so that radial acting force on the first graphite ring and the second graphite ring is generated under axial extrusion of the first supporting ring and the second supporting ring; therefore, the sealing effect on the first sealing surface and the second sealing surface is enhanced. According to the combined sealing element, the related requirements for sealing in the high-temperature and high-pressure environment can be met, the combined sealing element can be further suitable for low-speed dynamic sealing occasions, and the combined sealing element has good application prospects in the technical field.

The utility model provides an adjusting mechanism for a calendaring roller structure. The adjusting mechanism comprises a rack, a first fixing seat, a second fixing seat and a driving roller, wherein the first fixing seat and the second fixing seat are fixedly installed on the two sides of the top of the rack, and the driving roller is rotationally connected between the first fixing seat and the second fixing seat. According to the adjusting mechanism for the calendaring roller structure, a first sliding block and a second sliding block can be driven to move reversely along a sliding rail by rotating a two-way lead screw, and meanwhile a first sliding seat and a second sliding seat can be driven to move synchronously on the inner side of a rack through cooperation of a fixing pin and a supporting plate; the first sliding base and the second sliding base can drive the driven roller to move synchronously while moving, then the distance between the driven roller and the driving roller is adjusted, and by the adoption of the structure, synchronous movement of the two sides of the driven roller can be achieved only by installing a set of threaded transmission structures below the driven roller; the requirement for machining and mounting precision of transmission parts is relatively low, and cost and maintenance cost are reduced.

The utility model provides a miniature servo electric cylinder which comprises a base, a hollow cup motor, a reduction gear assembly, a first flange bearing, a second flange bearing, a ball screw, a flexible circuit board and Hall sensors, the Hall sensors arranged in an array are matched with strong magnets for position detection, and the absolute position of a push rod of the electric cylinder can be detected. The ball screw pair is adopted for linear transmission, the transmission efficiency is improved, the service life is prolonged, the first knuckle bearing installed on the base and the second knuckle bearing installed on the push rod can reduce the installation precision requirement of the micro servo electric cylinder, and installation convenience is improved.

The utility model relates to the technical field of automobile charging connectors, in particular to a charging socket capable of being conveniently assembled, and solves the problem that a terminal of a charging socket in the prior art cannot be conveniently assembled. Which comprises a main shell connected with a PCB (printed circuit board), and is characterized in that the PCB is provided with signal elastic contacts, the main shell is provided with signal terminals, the end parts of the signal terminals are in contact with the signal elastic contacts, and the end parts of the signal terminals are provided with protective structures matched with the signal elastic contacts. The beneficial effects are that when the signal terminal is connected with the signal elastic contact, the signal terminal contact surface presses the signal elastic contact to realize connection, and the protection groove completely wraps the signal elastic contact to play a role in protecting the signal elastic contact. In the assembling process of the charging socket, the metal terminal and the PCB are in contact connection in a radial compression mode, signal transmission between the metal terminal and the PCB is achieved, the requirement for the installation precision of the metal terminal is low, and the assembling efficiency of the charging socket can be improved.

The utility model relates to a 90-degree steering output reduction gearbox, which comprises an outer box, an input shaft assembly, a middle shaft assembly and an output shaft assembly are arranged in the outer box, the middle shaft assembly is meshed with the input shaft assembly, the output shaft assembly is meshed with the middle shaft assembly, and the input shaft assembly is parallel to the middle shaft assembly and is perpendicular to the output shaft assembly. The output shaft assembly comprises a bevel gear wheel meshed with the intermediate shaft assembly and an output shaft in bolted connection with the bevel gear wheel, the bevel gear wheel is arranged in the shell, the output shaft extends out of the shell to be arranged in a bearing seat, and an output end bearing assembly matched with the output shaft and an output end oil seal assembly for sealing the bearing seat and the output shaft respectively are arranged in the bearing seat. The front end and the rear end of the input shaft assembly extend out of the shell. The utility model reduces the maintenance cost, can be matched with the power input of a high-power tractor, improves the transmission efficiency, reduces the noise and vibration, has high sealing reliability, and can effectively reduce the oil leakage.

An installation structure of a state monitoring component of a traction machine comprises a fixed component, a rotating component, a motor component and a monitoring component, the motor component comprises a rotor assembly and a stator assembly which are correspondingly arranged, the rotor assembly is installed on the rotating component, and the stator assembly is installed on the fixed component; the rotating part is rotatably supported on the fixed part through a first bearing and a second bearing, the monitoring part is an inductive encoder comprising an encoder stator and an encoder rotor, and a sensing part of the encoder stator and a sensed part of the encoder rotor are both of a surface structure and are arranged face to face; the encoder stator is directly or indirectly installed on a fixed part of the traction machine, and the encoder rotor is directly or indirectly installed on a rotating part of the traction machine. The traction machine has the advantages that the inductance type encoder is adopted as a monitoring component to monitor the motion condition of the motor rotor, split installation is adopted, the motor rotor does not need to be installed on an exposed rotating shaft, installation is flexible, space is saved, the thickness of the traction machine is reduced, and small-space installation is facilitated.

This invention provides a multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator. An air inlet pipe and an air pipe are sequentially connected along the air inlet direction. A rapid microbubble cutting and diffusion oxygen dissolving unit is fitted outside the air inlet pipe. An inner cylinder and an outer cylinder are sequentially fitted outside the air pipe from the inside to the outside. The inner cylinder has a first inner cylinder section, a second inner cylinder section, and a third inner cylinder section sequentially along the air inlet direction. A medium-sized bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the first inner cylinder section, a large bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the second inner cylinder section, and an air guiding unit is installed on the outer wall of the third inner cylinder section. An air diffuser unit is installed at the air outlet of the air pipe. This multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator effectively cuts air into microbubbles, effectively solving the problems of clogging and short lifespan of traditional aerators after long-term use, and is suitable for aerobic aeration treatment.

The invention discloses a heat exchange device and a falling film type heat exchange device. The heat exchange device comprises at least one heat exchange sub-assembly and at least one liquid supply pipeline. The heat exchange sub-assembly comprises a distribution assembly and a heat exchange tube assembly. The distribution assembly is provided with a distribution inlet and a plurality of distribution outlets, and is configured to enable liquid flowing into the distribution assembly from the distribution inlet to flow out from the plurality of distribution outlets. And the heat exchange tube assembly is arranged below the distribution assembly, so that liquid dripped from the plurality of distribution outlets can be sprayed onto the heat exchange tube assembly. And the liquid supply pipeline and the heat exchange sub-assembly are correspondingly arranged, so that liquid can enter the distribution assembly through the liquid supply pipeline. The heat exchange device is simple in structure and high in dripping efficiency.

The utility model provides a bus duct connector, belonging to the bus duct connector technical field, the bus duct connector comprises a main body housing, an elastic sheet structure and a conductive contact strip, the main body housing is a tubular structure, the two ends of the main body housing are opened for receiving a bus duct, the elastic sheet structure comprises an outer layer elastic sheet assembly and an inner layer elastic sheet assembly, the main body shell is internally provided with a space for accommodating the inner-layer elastic sheet assembly, the outer-layer elastic sheet assembly is fixed at the periphery of the main body shell and is distributed along the axial direction of the main body shell, the inner-layer elastic sheet assembly is arranged in the main body shell and corresponds to the outer-layer elastic sheet assembly, and the outer-layer elastic sheet assembly is arranged in the main body shell and corresponds to the inner-layer elastic sheet assembly. The conductive contact strip is fixedly installed on the central axis in the main body shell, the conductive contact strip is fixedly connected with the inner-layer elastic sheet assembly through a machine, the inner-layer elastic sheet assembly is connected to the inner wall of the main body shell through an elastic element, and the bus duct connector solves the problem that the electric contact pressure of the bus duct connector is not uniform.

The utility model discloses an electric steamer with an outer water tank, which comprises a base, a steamer assembly arranged on the base and the outer water tank, a steam generating cavity is arranged in the base, a water outlet is arranged on the wall of the outer water tank, a water inlet is arranged on the wall of the steam generating cavity, a connecting pipe is arranged between the water outlet and the water inlet, and the outer water tank is arranged on the outer water tank. The connecting pipe is a flexible sealing pipe, one end of the flexible sealing pipe is connected with the wall of the outer water tank in a sealed mode, and the other end of the flexible sealing pipe is connected with the wall of the steam generating cavity in a sealed mode. According to the electric steamer, the flexible sealing pipe is connected between the outer water tank and the wall portion of the steam generating cavity in a sealed mode, sealing reliability can be guaranteed, a sealing ring is omitted, meanwhile, the machining difficulty of the outer water tank is lowered, the requirement for the coaxiality of the connecting pipe, the water outlet and the water inlet is lowered, the error-tolerant rate deviation is high, and the service life of the electric steamer is prolonged. And the connecting pipe is easy to disassemble and assemble.

The utility model discloses an adjustable damping door sucker, including the suction head and the suction seat, be equipped with damper on this suction seat, the suction head includes magnetic piece, base and base head cover, the end of base is equipped with the rotation groove, one end of magnetic piece is equipped with the rotation adjusting part of being suitable for rotation groove, and the other end is from the opening of base head cover and is pressed out compression damper, and is matched with the suction seat, the rotation adjusting part of magnetic piece is placed in the rotation groove, base head cover is cooperated with base screw, makes this base head cover to the base compression tight rotation adjusting part, will magnetic piece fix on the base, need to adjust the direction of magnetic piece, and the base head cover is loosened to the outside, the base head cover removes to magnetic piece locking, makes rotation adjusting part can rotate in the rotation groove, when magnetic head adjusts to the position opposite to the suction seat, through the tightening of base head cover, the base head cover is fixed to magnetic piece again, need not to install again to the suction head, reduces the installation accuracy requirement to the door sucker.

The utility model provides a redundant power supply automatic switching device of a hot plug module, which relates to the technical field of power supply switching equipment, and comprises a socket assembly consisting of a socket cover and a plug assembly consisting of a plug seat and a plug block which are arranged on one side of the socket cover, the plug seat is connected with the socket cover through the plug block, and the plug block is connected with the socket cover through the plug block. Sliding holes are formed in the two ends of the plug block, a trigger rod penetrating through the plug seat is arranged in the plug seat, two connecting plates are arranged at the end, located in the plug seat, of the trigger rod, a rectangular frame is arranged between the two connecting plates, and a conductive column is arranged at the end, close to the plug block, of the rectangular frame; a plug seat of a plug assembly is connected with a socket cover through a plug block with a sliding hole, the sliding hole provides guidance for insertion, so that the plug block can stably move along a set path, during insertion, the plug block pushes a trigger rod, the trigger rod drives a connecting plate and a rectangular frame, a conductive column is in contact with a conductive structure in a socket, and power connection is achieved.

The invention belongs to the technical field of middle-side system type double-channel acoustic acquisition front-end devices, and discloses a middle-side system type double-channel acoustic acquisition front-end device. The middle-side system type double-channel acoustic acquisition front-end device comprises a potentiometer assembly, an adjusting assembly, an acoustic assembly and a control panel, the potentiometer assembly comprises a potentiometer and a support, the potentiometer is fixed to the support, and an eccentric part is eccentrically arranged on a rotating shaft of the potentiometer; the adjusting assembly comprises a first adjusting part, the support is sleeved with the first adjusting part, the first adjusting part can rotate relative to the axis of the support, and when the first adjusting part is rotated, the first adjusting part can abut against the eccentric part and drive the rotating shaft to rotate in the same direction; the acoustic assembly is arranged on the bracket and is in communication connection with the potentiometer; the control panel is in communication connection with the potentiometer. According to the invention, the switching of the radio mode can be realized, the operation convenience and efficiency are obviously improved, the time and labor are saved, the user experience is smooth, the operation state of the potentiometer is conveniently determined, and the requirement on the installation precision is relatively low.

The utility model relates to the technical field of transformer installation, and discloses an installation base for transformer installation, which comprises a bottom plate and an installation plate, one side of the bottom plate is provided with a plate groove, the plate groove is in sliding connection with a telescopic plate, the surface of the telescopic plate is provided with a tooth groove, one side of the telescopic plate is fixedly provided with a supporting strip, and the supporting strip is fixedly connected with the installation plate. Supporting plates are welded to one side of the supporting strip and the other side of the bottom plate correspondingly, first hoops are welded to one sides of the two supporting plates correspondingly, and second hoops are connected to one sides of the two first hoops correspondingly. The bottom plate can be placed between two adjacent electric poles through the first hoops and the second hoops, the torque of the studs can be prevented from being transmitted to the racks by rotating the racks and the bearings through the studs, the racks can ascend and be separated from the tooth grooves, a worker can conveniently slide the telescopic plate, the distance between the two first hoops is adjusted, and the working efficiency is improved. And by adjusting the distance between the two hoops I, the device can be matched with electric poles with different distances for use.

This utility model relates to the field of pipe fixing technology, and in particular to a pipe clamping device and boiler equipment. The pipe clamping device provided by this utility model includes two clamping plates arranged opposite each other and a connector. The clamping plates include a connecting part and a plurality of clamping parts spaced apart along a first direction. The plurality of clamping parts form an elastic corrugated structure, and the clamping parts fit against the pipe surface through elastic deformation. The connector connects the connecting parts of the two clamping plates so that the two clamping plates clamp the pipe. The pipe clamping device provided by this utility model can automatically adapt to the dimensional deviation between pipes and the thermal deformation during operation. While ensuring reliable clamping, it reduces the requirements for installation accuracy and improves the stability and consistency of the clamping effect.

This invention relates to the field of motorsports technology, and more particularly to a transmission system for an off-road rally car and a race car equipped with the transmission system. The system includes a frame and a transmission system mounted on the frame. Wheels are mounted on the frame via a suspension system. The transmission system includes a gearbox mounted at the rear of the frame and a differential mounted at the front of the frame; the gearbox and the differential are connected by a first driveshaft positioned at the front and rear. The suspension system includes front steering knuckles located inside the two front wheels, both of which are fixed to the front side of the frame via upper and lower double wishbone suspensions. This off-road rally car has advantages such as lighter weight, more compact structure, better handling, superior passability, and higher safety. The lighter vehicle has sufficient power performance, and its low self-friction resistance during travel improves its ability to traverse uneven roads, reducing the risk of rollover and thus improving race performance.

The present invention provides a hopper car bottom door opening and closing mechanism and a hopper car, wherein the hopper car bottom door opening and closing mechanism comprises a transmission shaft and a connecting rod mechanism, wherein the connecting rod mechanism comprises a first straight pull rod, a first length adjustment structure, a first bent pull rod, a double lever, a second bent pull rod, a second length adjustment structure and a second straight pull rod which are detachably connected in sequence, and the double lever is suitable for being arranged on the transmission shaft and rotating synchronously with the transmission shaft, the first bent pull rod, the double lever and the second bent pull rod are rotatably connected in sequence, and one end of the first straight pull rod away from the first length adjustment structure and one end of the second straight pull rod away from the second length adjustment structure are respectively connected to two bottom doors of the hopper car which are arranged opposite to each other. In the present invention, the hopper car bottom door opening and closing mechanism is provided with the first length adjustment structure and the second length adjustment structure, so that the size of the door gap of the two bottom doors of the hopper car which are arranged opposite to each other when opening and closing is suitable for adjustment.

The present application relates to the field of motor technology, and discloses a direct-drive permanent magnet synchronous motor for mining, including a vibration isolation shaft, one end of the vibration isolation shaft close to the rotor shaft is movably connected to a buffer cylinder through a ball seat, the vibration isolation shaft can rotate in any direction around the center of the buffer cylinder, the center of the buffer cylinder is on the axis of the rotor shaft, the position of the vibration isolation shaft close to the end of the buffer cylinder is connected to the buffer cylinder through a buffer seat, and the distance between the end of the vibration isolation shaft close to the rotor shaft and the center of the buffer cylinder is smaller than the distance between the other end and the center of the buffer cylinder. A direct-drive permanent magnet synchronous motor for mining provided by the present invention is connected to the input shaft of the load through the vibration isolation shaft, when the vibration of the load is transmitted to the vibration isolation shaft, one end of the vibration isolation shaft is used to absorb the vibration energy, and the other end constrains the vibration of the vibration isolation shaft to reduce the amplitude of the vibration isolation shaft, and at the same time, the vibration isolation shaft is connected to the rotor shaft through a buffer sleeve, which effectively isolates the transmission of vibration.

The utility model relates to the technical field of display cabinet fixing structures, in particular to a cabinet body wall hanging fixing device. Comprising a bottom frame, the bottom frame is fixed to a wall, bottom supporting pieces used for supporting the bottom of a cabinet body are symmetrically arranged below the bottom frame, and a first adjusting rod is arranged on one side of the bottom frame; a groove is formed in the transverse supporting part, one end of the transverse supporting part is connected with the bottom frame through a rotating shaft, and the other end of the transverse supporting part is connected with the first adjusting rod; the back plate is arranged at the back of the cabinet body and is clamped with the groove; the back plate is connected with the groove in a clamped mode, the stability of the display cabinet after installation can be effectively improved, meanwhile, the position of the display cabinet body can be transversely adjusted, when the display cabinet body inclines, the position of the transverse supporting part can be adjusted through the first adjusting rod, use is convenient, and the requirement for installation precision is lowered.

The utility model discloses a guide rail guiding mechanism and a self-service pizza machine, which comprise a guide rail arranged on a box body and a mounting seat, the mounting seat is arranged on the top and / or the bottom of a carrying device, a positioning assembly is arranged on the first side of the mounting seat, a guiding assembly is arranged on the second side of the mounting seat in a sliding manner, and the guiding assembly is arranged on the guide rail. And a guide channel through which the guide rail passes is formed between the positioning assembly and the guide assembly. The two sides of the guide rail are guided through cooperation of the positioning assembly and the guide assembly, the sliding guide assembly enables the carrying device not to be blocked when the carrying device moves, movement is smoother, abrasion to the guide rail is reduced, and the requirement for installation precision is lowered.

An aquaculture microfiltration system comprises a water tank and a filter screen drum installed in the water tank, a water outlet is formed in one side wall of the water tank, a water inlet is formed in the other side wall of the water tank, a supporting seat is installed on the side wall, opposite to the water outlet, of the water tank, and the filter screen drum comprises a supporting ring, a supporting plate, a supporting rod and a fixing ring. The supporting rods are connected between the supporting ring and the supporting plate, the outer sides of the supporting rods are wrapped with filter screens, a supporting shaft is arranged on the side, away from the supporting ring, of the supporting plate, the fixing ring is installed on the outer wall of the water tank and extends into the water outlet, the fixing ring is movably sleeved with the supporting ring, and the supporting shaft and the supporting base are rotationally connected and supported; and the motor is in transmission connection with the filter screen drum. The system adopts an integrated structure, has low requirements on installation precision, filters from outside to inside by the filter screen rotary drum, is convenient to scrub due to the fact that impurities are mainly attached to the outer wall, and is compact in structure and small in occupied area during installation.

The utility model provides a ball sleeve micro servo electric cylinder which comprises a base, a gear motor, a first guide rod, a second guide rod, a first knuckle bearing, a ball short rod, a ball sleeve, a strong magnet, a connector, a second knuckle bearing, a flexible circuit board and Hall sensors. The absolute position of the roller sleeve of the electric cylinder can be detected, the ball sleeve pair is adopted for linear transmission, the transmission efficiency is improved, the service life is prolonged, and the installation convenience is improved.

The invention discloses a multi-station wire coil transfer device, and relates to the technical field of wire coil transfer for metal wire stranding machines, the multi-station wire coil transfer device comprises a first support frame, a second support frame sliding along the first support frame, a clamping transfer mechanism used for clamping and transporting a wire coil, a first walking mechanism and a second walking mechanism; the first walking mechanism is arranged on the second supporting frame and used for driving the second supporting frame to transversely move along the first supporting frame. The second walking mechanism is arranged on the clamping and transferring mechanism. According to the invention, the clamping jaw is driven by the cooperation of the first walking mechanism and the second walking mechanism to move in two mutually perpendicular directions in the same plane, so that wire coils on a stranding machine can be conveniently transferred and arranged to different stations in different directions, the occupied positions of the wire coils are reasonably arranged, the production environment is effectively improved, the labor intensity is saved, and the production efficiency is improved. The production efficiency is improved.

The utility model relates to a novel sound insulation curtain wall. The sound insulation board comprises a sound insulation board body and a fixing support, the sound insulation board body is composed of a first partition board, a second partition board, a sound absorption layer, a back board and an outer frame, the first partition board is provided with a plurality of first sound absorption strip-shaped holes and a first sound absorption board, and the second partition board is provided with a plurality of second sound absorption strip-shaped holes and a second sound absorption board. A reflection area and a sound insulation area are formed between any first sound absorption plate and the adjacent second sound absorption plate; the fixing support is composed of a stand column, two [-shaped rod pieces fixed to the stand column and a bottom baffle, the two [-shaped rod pieces are fixed back to back, each [-shaped rod piece is provided with a back plate, two side plates and a clamping groove, the back plate is provided with a plurality of elastic pieces extending in the inclined direction, an outer frame on the sound insulation plate is clamped in the clamping groove, and the sound insulation plate is fixed to the bottom baffle. And the spring is abutted against the elastic sheet. The reflection area, the sound insulation area, the sound absorption layer and other modes are adopted for silencing and reducing noise, and therefore the effect is obvious.