58results about How to "Quick uninstall" patented technology

The utility model discloses a motor rotor testing tool, which relates to the technical field of motor rotor testing and comprises a bottom plate, a driving mechanism, a clamping assembly, a bidirectional telescopic mechanism and movable supporting assemblies which are transversely and slidably mounted on two sides of the bottom plate. And supporting plates are fixedly mounted on the inner side and the outer side of the top of the movable frame correspondingly. According to the motor rotor testing tool, the two rotating wheels are used as supporting and driving mechanisms of the motor rotor, and the fixed cylinder, the connecting rod, the rotating wheels and the displacement sensor are arranged in a matched manner, so that stable support can be provided for the motor rotor, and jumping of the motor rotor is not limited; therefore, the jerk value of the motor rotor in the rotation process can be accurately measured, the dynamic balance test result is more accurate, and the performance and the service life of the motor can be improved.

The utility model discloses a planetary transmission dough kneading machine, which comprises a machine base, a machine body, a stirring power assembly and a dough kneading barrel assembly, the machine body is connected with the rear part of the machine base, the stirring power assembly is arranged at the front part of the machine body, and the dough kneading barrel assembly is placed at the front part of the machine base and is positioned below the stirring power assembly; the stirring power assembly comprises a stirring motor, a gear box body, a worm and worm wheel assembly, a main shaft assembly, a planetary motion assembly and a dough kneading hook, the stirring motor and the gear box body are both fixed on a bottom plate at the front part of the machine body, the worm and worm wheel assembly and the main shaft assembly are both located in the gear box body, and the worm and worm wheel assembly is connected with the stirring motor; the main shaft assembly is connected with the worm and worm wheel assembly, the planetary motion assembly is connected with the main shaft assembly, and the dough kneading hook is connected with the planetary motion assembly. According to the planetary transmission dough kneading machine, the large-capacity dough kneading barrel is fixed, and the planetary motion of the dough kneading hook is equivalent to the compound motion of a double-acting dough kneading machine, so that the transmission structure is simplified, and the dough kneading motion stability is improved.

The utility model discloses a photographic equipment adapter bracket capable of being quickly assembled and disassembled, which comprises a supporting rod, a mounting seat for mounting photographic equipment, and a locking assembly for locking the mounting seat on the supporting rod, the supporting rod is provided with an insertion hole for the insertion of the insertion head and a lock hole vertically intersected with the insertion hole, the locking assembly comprises a locking piece which is inserted into the lock hole, can move up and down along the lock hole and can clamp and release the insertion head, and a limiting structure for limiting the separation of the locking piece and the insertion head is arranged between the locking piece and the supporting rod. The utility model has the advantages of simple structure and simple and quick disassembly and assembly.

The utility model discloses a waste metal processing transfer frame which comprises a bottom frame, a shell and universal wheels, the shell is fixed at the top end of the bottom frame, a first hydraulic cylinder is arranged at the middle end in the shell, the output end of the first hydraulic cylinder is connected with a movable supporting plate, a guide rail is arranged between the movable supporting plate and the shell for sliding fit, and the universal wheels are symmetrically distributed on the bottom surface of the bottom frame. A second hydraulic cylinder is installed at the top end of the shell, the output end of the second hydraulic cylinder is connected with a push plate, the push plate is as wide as the movable supporting plate and is movably connected with the movable supporting plate, a rotating seat is installed on the outer surface of one end of the shell, a guide plate is rotatably connected into the rotating seat, and an extension plate is movably connected into the guide plate. According to the transfer frame for waste metal machining, through cooperation of the first hydraulic cylinders, the movable supporting plates and the guide rails, rapid loading and unloading of waste metal are achieved, the working efficiency is greatly improved, feeding and discharging are achieved through the transfer frame in a semi-automatic mode, and the labor intensity is reduced.

The utility model discloses a clamp for an automatic ball melting machine, which comprises a frame, and the left side and the right side of the frame are respectively provided with a positioning hole; a handle capable of moving up and down is vertically and downwards arranged on the upper end surface of the frame in a penetrating manner; a fixed copper electrode and a movable copper electrode are arranged in the frame, and at least one group of clamping grooves for clamping guide wires are formed between the contact surfaces of the fixed copper electrode and the movable copper electrode; the lower end of the handle is connected with the movable copper pole, and the movable copper pole can be driven to move up and down in the frame through the handle; a spring is sleeved on the handle between the movable copper pole and the frame; the machining table for the automatic ball melting machine comprises a supporting module and the clamp. According to the utility model, quick loading of the guide wire, quick and accurate loading and quick and convenient unloading of the clamp for clamping the guide wire are realized, the clamp is ensured to be mounted in place, the problem of repeated position correction caused by inconsistent front and back positioning of the clamp is solved, and the processing efficiency is improved.

The application discloses a novel overspeed protection device, which comprises a device body, wherein the device body comprises a base, a support device, an assembling table, a terminal mounting table, a terminal box and a protection device; the support device is provided in one group, and the support device is fixed on the top of the base through welding; the assembling table is fixed on the top of the support device through welding; the terminal mounting table is fixed on the front end of the assembling table through screws; the terminal box is fixed on the terminal mounting table through screws; and the protection device is installed on the top of the assembling table; the protection device comprises an integrated block, a first electromagnetic valve, a second electromagnetic valve, a hydraulic control reversing valve, a safety oil pipe, a pressure oil pipe, an oil return pipe, a pressure switch and a pressure gauge. The device can more accurately control the flow direction and pressure of oil, can quickly and accurately perform protection actions such as safety oil unloading when abnormal conditions such as overspeed occur, and can guarantee the safe operation of equipment and improve safety.

The invention belongs to the technical field of building equipment, and particularly relates to a unit type curtain wall plate horizontal transporting device and a construction method thereof.The unit type curtain wall plate horizontal transporting device comprises a rail, a winch, a steel wire rope and a plate transporting vehicle, the rail is arranged on a horizontal structure in a building, and the winch is connected with the plate transporting vehicle through the steel wire rope; the unit type curtain wall plate conveying device has the beneficial effects that the horizontal conveying device can conduct horizontal conveying in a construction site, the unit type curtain wall plates are safely and rapidly conveyed to a designated installation position from a storage area, and the construction efficiency and accuracy are improved.

The utility model relates to a pre-pressing system for a bridge cantilever casting hanging basket. The bridge suspended pouring hanging basket pre-pressing system comprises at least two water bags used for being arranged on a bottom die platform of a hanging basket, a plurality of water bags used for being hung on a front lower cross beam and a rear lower cross beam of the hanging basket, and a liquid conveying subsystem used for conveying water into the water bags and the water bags. According to the bridge cantilever casting hanging basket prepressing system, the load applied to the hanging basket is easy to control, and after prepressing is completed, compared with traditional concrete precast blocks, water bags, water bags and the like are more convenient to recycle and good in economical efficiency.

The utility model relates to the technical field of gas valves, in particular to a cut-off valve for gas in cities and towns, which comprises a main body component group, the main body component group comprises a valve body, a cut-off device is arranged on one side of the valve body, and a valve switch is arranged on one side, far away from the valve body, of the cut-off device. The quick connecting component set comprises an upper connecting body, a lower connecting body is arranged on one side of the upper connecting body, a first bolt is arranged in the lower connecting body, a first nut is arranged on one side of the first bolt, and a gas pipeline is arranged in the upper connecting body; a valve supports a set of components. According to the utility model, the mounting and dismounting time between the valve and the pipeline is greatly reduced, the working efficiency is improved, the corresponding adjustment can be realized according to the external unsupported terrain, and meanwhile, the valve is supported in an auxiliary manner in the mounting process, so that the mounting is convenient, and the mounting efficiency is further improved.

The present application discloses a winding device of a stator punching and rolling device and a stator punching and rolling device, wherein the winding device comprises: a winding seat; a winding wheel for winding a steel strip to form a stator lamination, comprising: a wheel body and a locking mechanism for fixing or unloading the stator lamination; a ramp frame tangent to the wheel surface of the winding wheel, comprising a ramp surface and a tension control device for controlling the winding tension of the winding wheel and making the bottom wheel surface of the stator lamination always tangent to the ramp surface. The winding device provided by the present application compensates for the deformation of the stator lamination itself or the winding wheel shaft caused by the increase of its own gravity by arranging a ramp frame on the winding device that can provide support for the stator lamination during the entire winding process, so that the punching slots and punching holes can accurately correspond to form tooth slots and stacking holes; and the winding tension of the winding wheel is controlled by arranging a tension control device, so that the steel strip can maintain appropriate tension during the entire winding process, thereby ensuring production quality.

The air valve comprises a valve body shell, an air inlet and an air outlet, an opening is formed in one side of the valve body shell, and a plurality of air pipes communicating the interior and the exterior of the shell are arranged on the valve body shell; the valve cover is combined at the opening of the valve body shell, and a pressure relief hole is formed in the valve cover; the elastic valve element is arranged in the valve body shell, one end of the elastic valve element abuts against the bottom of the valve body shell, and the other end of the elastic valve element penetrates through the pressure relief hole to be located outside the valve body shell. The elastic valve core blocks the pressure relief hole under the action of elastic force; when the end, located outside the valve body shell, of the elastic valve element moves towards the interior of the valve body shell, the blocking state of the pressure relief hole is relieved. The air valve provided by the utility model is simple in structure, can realize quick unloading of air pressure, and promotes the development of the air pressure adsorption technology in the field of mobile phone adsorption charging.

The invention belongs to the technical field of railway freight, and particularly relates to a railway freight container spreader which comprises two bases and further comprises a main beam assembly arranged on the surfaces of the bases, the main beam assembly comprises cross-shaped vertical frames fixedly connected to the surfaces of the bases, a main plate is installed between the two cross-shaped vertical frames, and the cross-shaped vertical frames are fixedly connected to the main plate. An auxiliary plate is arranged above the main plate, the auxiliary plate is mounted between the two cross-shaped vertical frames, a plurality of reinforcing plates are fixedly connected to the surfaces of the auxiliary plate and the main plate, and the reinforcing plates correspond to each other in pairs; connecting plates are fixedly connected to the sides, adjacent to each other, of the multiple reinforcing plates located on the surface of the auxiliary plate, first reinforcing rods are fixedly connected between every two corresponding reinforcing plates, and second reinforcing rods are arranged between every two first reinforcing rods. The main beam, the lifting hook and the locking device are directly matched with one another, so that the lifting appliance can quickly mount and unload the container.

The present application relates to the technical field of transportation equipment, and discloses a single-beam suspension type integrated electric monorail crane, which comprises a track, two hanging beams arranged below the track, a driving base and a control device mounted on one of the hanging beams, a power box mounted on the other hanging beam, a heat dissipation assembly arranged on the power box, a connecting beam fixed between the two hanging beams, mounting grooves formed at the two ends of the connecting beam, mounting blocks rotatably connected in the mounting grooves, electric hoists fixed to the bottoms of the mounting blocks, mounting assemblies arranged on the output ends of the electric hoists, annular grooves formed in the inner walls of the mounting grooves, and a plurality of supporting blocks fixed to the mounting blocks and sliding in the annular grooves.The present application can suspend and convey materials, limit the suspended materials, lock the suspended hanging ropes, and quickly unload the conveyed materials, and has high working performance and is convenient to use.

The utility model relates to a novel coupling shaft and a binding machine equipped with the coupling shaft, comprising a drilling tool section provided with a mounting hole connected with a drilling tool; the motor section is provided with a connecting hole connected with a motor; the connecting section is used for connecting the drilling tool section with the motor section and is provided with a through groove hole for communicating the mounting hole with the connecting hole; the through groove hole is located in the axis of the connecting shaft, and the end, connected with the mounting hole, of the through groove hole is constructed to be a circular truncated cone. An existing structure is optimized, the drilling tool mounting device can adapt to mounting of drilling tools of various sizes, the phenomenon that paper scraps penetrate through and block the through groove holes can be improved, and mounting / dismounting adjustment can be conducted on the drilling tools of different models at the through groove holes; meanwhile, the groove is formed in the wall hole at the position of the mounting hole, so that the mounting condition of the drilling tool can be intuitively observed, the position of the drilling tool can be randomly and accurately adjusted, and the drilling tool can be quickly unloaded.

The present invention relates to the field of textile machinery, and in particular to a yarn tube storage rack, comprising a longitudinal beam and a transverse beam, wherein a plurality of longitudinal beams are arranged longitudinally, a longitudinal groove is fixed on the side of each longitudinal beam, and two opposite longitudinal grooves form a longitudinal guide rail; a transverse beam is fixed above the longitudinal beam, a transverse upper groove is fixed on the transverse beam, and a plurality of groups of fixed grooves and switching grooves are arranged below the transverse upper groove, and the transverse upper grooves, the fixed grooves, and the switching grooves form a transverse guide rail; the switching groove is installed on the longitudinal beam through a telescopic mechanism, so as to realize the flipping of the switching groove; a transfer mechanism for clamping the yarn tube is installed in the transverse guide rail and the longitudinal guide rail, and a driving mechanism is installed on the transverse beam, and the driving mechanism is used to drive the transfer mechanism to move along the transverse guide rail. The present invention facilitates the clamping of the yarn tube through the transfer mechanism, and realizes convenient, fast, intelligent, and efficient automatic classification and collection of the yarn tube through the telescopic mechanism to flip and switch the vertical and horizontal states of the switching groove, and the driving mechanism to transfer the transfer mechanism.

The invention belongs to the field of machine tool machining, and relates to a fuel injection pump transmission gear clamp, a key groove in a supporting seat is matched with a workpiece boss to ensure the phase, a taper sleeve and an inverted taper centering hole are matched with a disc spring to achieve accurate centering, an upper pull rod is connected with a pull claw to be stably clamped with a pull rod, and an automatic feeding and discharging mechanism achieves automatic machining. The clamp is exquisite in design, the double precision of workpiece phase and centering is guaranteed, and the machining quality of the fuel injection pump transmission gear is improved; manual intervention is reduced through automatic feeding and discharging, and the machining efficiency is remarkably improved; the structure is stable and reliable, maintenance is easy, and production cost is reduced; the method is suitable for batch machining, meets the urgent requirements of the modern manufacturing industry for high precision and high efficiency, provides powerful support for precise manufacturing of the fuel injection pump transmission gear, and promotes technical progress and upgrading of related industries.

The utility model relates to the technical field of replacement, and discloses a rubber outer tire with a surface layer convenient to replace, which comprises a surface layer tire, a quick release assembly is arranged on the outer surface of the surface layer tire, an outer tire is arranged on the outer surface of the surface layer tire, the quick release assembly comprises an inner side ring wall, the outer surface of the surface layer tire is fixedly connected with the inner side ring wall, and the outer side ring wall is fixedly connected with the outer surface of the surface layer tire. A first clamping groove is formed in the outer surface of the inner side ring wall, an outer side ring wall is fixedly connected to the outer surface of the surface layer tire, and when the surface layer tire is disassembled, two bolts on the two semi-arc metal plates are removed, so that the two semi-arc metal plates are pulled away from the tire wall and the inner side ring wall; according to the invention, the outer tire is arranged on the surface tire, so that the moving space in the surface tire is increased, the outer tire can move under the surface tire, and the outer tire can be quickly unloaded from the surface tire, so that the problem that a large number of bolts need to be disassembled when the surface tire does not need to be unloaded from the outer tire is solved, and the operation of quickly replacing the rubber tire on the surface layer is realized.

The invention discloses an order assignment method and system based on emergency transportation and a storage medium, and the method comprises the steps: obtaining target order information, and determining a departure place and matched target vehicle information; monitoring in-transit vehicles passing through the starting place on the current transportation route, wherein the matching value of the in-transit vehicle information and the target vehicle information is greater than a set matching value; acquiring current transportation cargo information of the in-transit vehicle, and determining a residual loading space when the in-transit vehicle arrives at a starting place; when the residual loading space of the in-transit vehicle is larger than a set loading space, if the in-transit vehicle meets a preset cargo replacement condition; and replacing the transportation vehicle which currently transports the goods, and allocating a target order to be transported by the in-transit vehicle. According to the invention, on-road vehicles are effectively utilized to ensure that emergency orders are delivered to destinations on time.

The utility model relates to network equipment based on the Internet of Things. The first heat dissipation tooth sheets are arranged on the inner wall of the heat dissipation shell in a protruding mode, the surface area of the inner wall of the heat dissipation shell can be effectively increased through the first heat dissipation tooth sheets, and heat generated by the electronic components can be rapidly transmitted to the surface of the heat dissipation shell. The second heat dissipation tooth pieces are arranged on the outer surface of the heat dissipation shell in a protruding mode, the surface area of the outer surface of the heat dissipation shell can be effectively increased through the second heat dissipation tooth pieces, the heat exchange efficiency between the heat dissipation shell and outside air is improved, and the normal working temperature of equipment is ensured. The first fixing plate is connected to the heat dissipation shell and covers the first installation opening, and the second fixing plate is connected to the heat dissipation shell and covers the second installation opening. And the first fixing plate and the second fixing plate are detachably connected with the heat dissipation shell, so that the electronic components in the first mounting space are convenient to mount and maintain. The installation assembly is installed on the surface, away from the first installation space, of the heat dissipation shell, the installation assembly can be installed with external equipment, and the overall network equipment can be rapidly installed or uninstalled.

The utility model relates to the technical field of industrial equipment, and discloses an industrial gas cylinder cart which comprises a lower support assembly, an upper support assembly, a bearing assembly and a limiting assembly, the lower support assembly comprises a lower support, a supporting rod is fixed to the side portion of the lower support, a handle is fixed to one end of the supporting rod, meanwhile, a supporting rod is fixed to the bottom of the lower support, and the supporting rod is fixed to the upper support assembly. The upper support assembly comprises an upper support movably connected to the side portion of a lower support, the upper support and the lower support are movably hinged through a hinge, the upper support with the same size is hinged to the side portion of the lower support through a hinge, and after the upper support and the lower support are closed, the upper support and the lower support are fixed through a hinge. According to the gas bottle conveying device, the gas bottles placed inside can be preliminarily fixed and protected, the front ends of the fixing screws can be tightly attached to the side portions of the gas bottles with different diameters by rotating the fixing screws, the stability of the gas bottles in the conveying process is guaranteed, and the phenomena of shaking and falling off are effectively avoided.

The utility model relates to the field of unmanned aerial vehicles, in particular to a fire emergency rapid loading and unloading unmanned aerial vehicle. The technical problem to be solved by the utility model is to provide the fire-fighting emergency rapid loading and unloading unmanned aerial vehicle which can be used for rapidly unloading, shortening the emergency response time and meeting the rapid material delivery requirement in a complex environment in a fire-fighting scene. A fire-fighting emergency rapid loading and unloading unmanned aerial vehicle comprises an unmanned aerial vehicle body. The loading and unloading device is fixedly arranged below the unmanned aerial vehicle body; the loading and unloading device comprises a connecting frame fixedly connected to the lower end of the unmanned aerial vehicle body. A fixing plate is arranged at the lower end of the connecting frame and fixedly connected with the connecting frame through bolts. At least two electromagnetic rods are further arranged at the lower end of the fixing plate and fixedly connected with the fixing plate through bolts. According to the utility model, the effects of quickly unloading, shortening the emergency response time and meeting the requirement of quickly delivering materials in a complex environment in a fire-fighting scene are achieved.

The utility model relates to the technical field of buildings, in particular to a regulation and control type building material carrier which is internally provided with a main box body, a swing cavity with an upward opening is formed in the main box body, a rotating shaft is rotationally arranged between the left wall and the right wall of the swing cavity, and a swing rack is fixedly arranged on the outer circle face of the rotating shaft. Two groups of power shafts in bilateral symmetry are rotationally arranged on the rear side of the swing rack, power sliding blocks capable of moving left and right are arranged on the outer circular surfaces of the power shafts and are in threaded fit with the power shafts, a pushing rack is fixedly arranged on the end face of the side, away from the symmetric center, of each power sliding block, and an adjusting rack is fixedly arranged on the front end face of the pushing rack and located on the upper side of the swing rack; therefore, real-time regulation and control can be ensured according to the carrying space of the building materials, the problems that an existing carrying vehicle is limited in storage space and needs to carry for multiple times are solved, carrying repeatability is further reduced, the project progress can be ensured to the maximum extent, and the flexibility and practicability of the carrying vehicle are ensured.

The utility model relates to a duct piece unloading and storing device for a TBM, and belongs to the technical field of tunnel construction. The segment unloading devices are installed on the rack on the two sides of the TBM trailer, the segment storage devices are installed on the rack on the two sides of the trailer, the traveling crane is installed on the rack on the top of the trailer, and the segment clamping device is connected to a lifting rope of the traveling crane. The duct pieces are hoisted to the duct piece storage device to be taken by the duct piece feeding machine as much as possible through the traveling crane and the duct piece clamping device, the duct piece unloading device can be emptied conveniently, and the duct pieces on the duct piece conveying device can be directly unloaded conveniently; the duct pieces can be unloaded to the duct piece unloading device or the duct piece storage device through the travelling crane and the duct piece clamping device, so that the duct pieces on the duct piece conveying device can be rapidly unloaded, and the working efficiency of the duct piece conveying device can be improved; the segment storage capacity of the segment unloading device and the segment storage device is improved, the segment feeder is prevented from working intermittently due to waiting for segments, and the working efficiency is improved.

The utility model discloses an LNG immersed pump storage and transfer device. The LNG immersed pump storage and transfer device comprises a frame structure and sleeper assemblies. The sleeper assembly is detachably arranged in the frame structure; the sleeper assembly comprises a first sleeper and a second sleeper; u-shaped grooves are formed in the middle of the first sleeper and the middle of the second sleeper correspondingly, the LNG immersed pump is vertically embedded into the frame structure, and the LNG immersed pump is fixed through the sleeper assembly by adjusting the distance between the first sleeper and the second sleeper. The LNG immersed pump vertical storage and transfer device is simple in structure and convenient to manufacture and assemble. By using the device, the LNG liquid cargo pump can be quickly and accurately loaded and unloaded, the use of other tools such as binding bands and chain hoists is reduced, the manual intervention and operation time are reduced, and the working efficiency is improved.

The utility model discloses a clamping device for crack propagation detection, which comprises a testing machine body, and a clamp assembly and a lifting assembly which are arranged on the testing machine body, the clamp assembly comprises a fixed part and a movable part, the movable part comprises a frame, the frame is n-shaped, reinforcing cylinders are symmetrically arranged on the frame, and the reinforcing cylinders are arranged on the fixed part. According to the clamping device for crack propagation detection, the fixed part and the movable part are arranged, the independently arranged movable part is utilized, the connection process of a CT sample is facilitated, the clamping effect is improved, and the clamping device has the advantages that the clamping device is simple in structure, convenient to use and high in practicability. In the process, a CT sample does not need to be lifted, the installation process is easier and more labor-saving, the connection process of the fixed part and the movable part can be completed by matching with the lifting assembly to simply move the machine shell up and down, and the whole device has good practicability and reliability and can be widely applied to the field of material mechanical property testing.

The invention discloses an anti-deflagration battery compartment of a hybrid power steamship, and relates to the technical field of marine power battery compartments, the anti-deflagration battery compartment comprises an energy storage chamber, a control power supply chamber and an electric control chamber which are mutually independent at intervals, each compartment is provided with an independent door capable of being automatically closed, the energy storage chamber is provided with a battery pack, and the control power supply chamber is provided with a standby battery; the electric control room is provided with an electric element, and a temperature control unit, a fire sensing mechanism of a fire control unit, a fire extinguishing suction filtration mechanism and a polling fool-proof unit are arranged, so that a multi-protection mechanism and intelligent control of fire staged treatment and polling multi-stage fool-proof are realized, and the use safety of the power battery on a ship is effectively improved; the problem that the safety of the steamship is threatened due to detonation of the battery on the steamship is solved, equipment maintenance, inspection and emergency response mechanisms are optimized, and powerful technical support and safety guarantee are provided for safe and stable operation of the hybrid steamship.

The utility model discloses a quick dismounting replaceable polishing head, which comprises a rotating shaft, a lock pin mechanism, a pushing device, an upper bearing disc and a lower bearing disc, the lock pin mechanism comprises a central lock pin plate, the rotating shaft is connected with the central lock pin plate, the central lock pin plate is fixedly connected on the upper bearing disc and is provided with a movable lock pin, the lock pin is provided with a first pin penetrating hole, and the first pin penetrating hole is provided with a second pin penetrating hole. The pushing device is used for pushing the lock pins to move, the upper bearing disc is provided with second pin penetrating holes penetrating up and down, the center lock pin plate is provided with third pin penetrating holes, at least two pins are arranged on the top face of the lower bearing disc, flanges are arranged on the tops of the pins, the pins stretch into the first pin penetrating holes, and an adsorption pad is arranged on the bottom face of the lower bearing disc. When the lock pin moves, the pin is aligned with or deviates from the axis of the first pin penetrating hole, and when the pin deviates from the axis of the first pin penetrating hole, the flange is clamped and hung on the lock pin to enable the lower bearing disc to be hung below the upper bearing disc. The lower bearing disc is convenient to replace so as to be flexibly and conveniently applied to polishing of samples of multiple sizes.

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a human-assisted bundling device which comprises a base, a connecting part, a first supporting frame, a first forming box, a second supporting frame, a second forming box, a driving assembly, a first extrusion plate and a second extrusion plate, the base is arranged on the ground, the connecting part is arranged on the base, and the connecting part and the base are arranged in an inverted-T shape; the first forming box is arranged on the first supporting frame, the second forming box is arranged on the second supporting frame, feeding ports of the first forming box and the second forming box face the connecting part, and a first box door and a second box door are arranged at the bottom end of the first forming box and the bottom end of the second forming box correspondingly; the driving assembly is arranged on the connecting part, the first extrusion plate is arranged on the side close to the first forming box, the second extrusion plate is arranged on the side close to the second forming box, and the first extrusion plate and the second extrusion plate are both connected with the driving assembly. Two bales can be completed through one-time operation, rapid unloading can be achieved, the operation period is short, and the working efficiency is high.

The device comprises a discharging rack, the discharging rack is provided with a barrel clamping mechanism used for clamping a material receiving barrel and a moving-out mechanism used for moving out cotton cakes formed in the material receiving barrel, and the material receiving barrel is clamped on the barrel clamping mechanism in the mode that a barrel opening faces upwards. According to the technical scheme, cotton materials in the material receiving barrel can be rapidly unloaded, and the production efficiency is improved.

A kind of hydraulic bulging process for thick-walled cylinder instability control belongs to hydraulic bulging technical field, overcome the defect that instability easily occurs in existing thick-walled cylinder hydraulic bulging process, comprising the following steps: S1, blank pretreatment;S2, determine the judging basis of blank hydraulic bulging instability;S3, finite element simulation modeling and parameter setting;S4, mold assembly and blank installation;S5, hydraulic bulging, in the process of hydraulic bulging, the shape size data of blank is monitored in real time by visual displacement sensor, if it is found that blank occurs bulging, concave waist or horn shape instability phenomenon, immediately stop bulging process, unload and accurately measure the shape size of blank, according to the shape shape and size measurement result of blank, adjust the loading rate of upper punch, then blank is reloaded on the force-reducing hydraulic bulging die, continue to bulge processing to blank.The present application effectively suppresses bulging, concave waist, horn mouth and other instability phenomena, realizes the uniform deformation of thick-walled cylinder bulging process.