77results about How to "Improve replacement speed" patented technology

The invention provides a battery lock unlocking system, an electric automobile battery replacement control system and a control method thereof. The battery lock unlocking system comprises a battery replacement device, a lock shaft detecting unit, a lock tongue control unit and a data exchange unit, and the battery replacement device is used for moving a battery; the lock shaft detecting unit is located in a lock groove and used for detecting the position of a lock shaft in the lock groove and generating a position signal; the lock tongue control unit is used for controlling a lock tongue to fall into the lock groove or retract back to the outside of the lock groove; the data exchange unit communicates with the battery replacement device and the lock shaft detecting unit respectively. The battery lock unlocking system and the locking and unlocking control method achieve precise positioning and locking of the battery in the process of loading the battery in a fixing base through arrangement of various position detecting components, and precise positioning and unlocking in the process of removing the battery from the fixing base, fully automatic control when the battery is replaced isachieved, and battery replacement speed and success rate are improved.

A system identifies one or more devices having faults in a communication loop. The system includes an interface, a decision module, and a connection processor. The interface is configured for sending requests for information to each device of the communication loop and for receiving responses to the requests. The devices may include computer disk drives for use in a storage system. The requests may include Read-Link Status (RLS) commands sent to the computer disk drives. The RLS commands may provide diagnostics of the disk drives connected to the loop. The decision module is communicatively connected to the interface for weighting the responses of each device to identify the devices having the faults. The responses may be weighted based on the relative potential for disrupting operability of the system. The communication loop may include an FC loop that allows communications between a host system and the computer disk drives.

A wind turbine installation monitoring device, for detecting relative movement between two adjacent components of a wind turbine installation is provided. The device comprises a deformable member together with a securing device. The securing device is configured to enable the device to be connectable to a wind turbine installation, in use. The deformable member is located across an interface between the adjacent components of a wind turbine installation. Further, a detection device is provided and configured to detect deflection of the deformable member and thereby to detect relative movement between the two components.

The invention provides a lifting battery box with accurate positioning and locking functions. The lifting battery box comprises a battery frame and a supporting frame, the supporting frame is used forfixedly locking the battery frame, the supporting frame is fixed onto a vehicle, the battery frame comprises one or a plurality of frame body modules, each frame body module comprises a bottom support and a side frame body vertically arranged on the bottom support, spaces for containing batteries are formed among the bottom supports and the side frames, grooves are formed in the lower portions ofthe bottom supports, guide positioning components arranged on the frame body modules are matched with the grooves, and the supporting frame comprises a fixed main body, an X-direction guide component, a Y-direction guide component, a guide locking component and a Z-direction locking mechanism. The lifting battery box can solve the problems of battery replacement and battery capacity of new-energyelectric vehicles, and mounting reliability and stability of the battery box can be improved, and stability and safety in use are ensured.

A profiled steel sheet-UHP (ultra high performance) fiber reinforced concrete composite bridge deck comprises U-shaped profiled steel sheets, perforated steel sheets, vertical studs, horizontal reinforcements, longitudinal reinforcements and UHP fiber reinforced concrete. The vertical perforated steel sheets are longitudinally fixed in the centers of the grooves of the U-shaped profiled steel sheets. A plurality of fixed vertical stud rows are arranged on raised portions of the U-shaped profiled steel sheets. The horizontal reinforcements penetrate connecting holes in the perforated steel sheets and are welded with the upper ends of the vertical studs. The longitudinal reinforcements are perpendicular to the horizontal reinforcements and fixedly connected with joints of the horizontal reinforcements and the vertical studs. The UHP fiber reinforced concrete is poured in the U-shaped profiled steel sheets to cover the perforated steel sheets, the vertical studs and the horizontal and the longitudinal reinforcements. According to the arrangement, the adhesion performance of the interfaces of the profiled steel sheets and the UHP fiber reinforced concrete is improved, and mechanical advantages of the profiled steel sheets and the UHP fiber reinforced concrete are fully played. The profiled steel sheet-UHP fiber reinforced concrete composite bridge deck dead is low in weight, high in bearing capacity, excellent in anti-fatigue performance, available in industrialized production and on-field assemble, higher in bridge deck building and changing speed and the like.

The invention discloses a method and device for changing television channels and a television set. The method comprises the steps that language attribute information in speech information of an operator is obtained and a set of the television channels to be selected is determined according to the language attribute information. The television channel needed for change is selected from the set of the television channels to be selected by the operator according to the requirements, the search range is greatly reduced when the operator changes the television channels, the television channels are changed rapidly, the television channel needed for change does not need to be passively and sequentially searched for through a remote control unit, and the change speed and the change efficiency are improved. According to the method for changing the television channels, the set of the television channels to be selected can be actively provided for the operator according to the speech information of the operator, namely the television channels can be switched rapidly according to the requirements of the operator.

The invention discloses a truss framework composite material product, and a flowing medium forming mould and a forming method thereof. The truss framework composite material product consists of a framework reinforcing material, a skin material and a filling material, wherein the framework reinforcing material is formed by fixedly connecting rods and has the profile of the product; the skin material is attached to nodes of the framework reinforcing material, which serve as an outer profile; the filling material is embedded between the rods of the framework reinforcing material in the skin material; the flowing medium forming mould of the truss framework composite material product comprises a container, a cavity, a potting device and a flowing medium; and the forming method of the truss framework composite material product comprises the steps of potting the filling material into the cavity and curing the filling material to obtain the product. In the invention, the step of manufacturingthe mould cavity is saved, so that the manufacturing cost can be greatly reduced and the reinforcement function of the framework material can be fully exerted. The size of the product can be very large and is not limited to the conventional machining equipment, the length and the number of the rods of the reinforcing material are changed, and the skin material and the reinforcing material can very easily form the new cavity, so that the upgrading speed of the product is increased.

A base coupling structure of a height adjustable chair, using a sleeve to connect an oil cylinder and a foot support of a height adjustable chair, the sleeve and the oil cylinder can be tightly embedded together by taking the advantages of having slightly different taper sizes and different elasticity of materials, and the sleeve is coupled with the foot support by a screwing base structure which can be dismantle, so the present invention not only can enhance the speed of the replacing the used oil cylinder, but also can protect the foot support from being damaged and allow a reduction in service cost of the height adjustable chair.

The invention discloses a telescopic mechanism with a simple and detachable roller wheel device. The telescopic mechanism comprises two wheel bodies and a middle connecting shaft body, wherein the outer wall of each wheel body is provided with a wheel groove; an axial through hole is formed in the middle of each wheel body; the middle lateral wall of each axial through hole is provided with a connecting protruding ring; the inner wall of each connecting protruding ring is provided with a plurality of protruding strips; a bearing is inserted into each connecting protruding ring; the protruding strips are inserted into corresponding strip-shaped grooves in the outer wall of outer rings of the corresponding bearings; a rotary shaft is fixed in the inner ring of each bearing, and the connecting end of each rotary shaft is provided with a spline shaft part; the two ends of the middle connecting shaft body are provided with spline holes, and the spline shaft parts are inserted into the corresponding spline holes; end covers are fixed at the two ends of the middle connecting shaft body, and the connecting ends of the rotary shafts are inserted into the end covers; a buffering spring is arranged between each spline shaft part and the bottom end of the corresponding spline hole. The telescopic mechanism with the simple and detachable roller wheel device can prevent derailing during running, and meanwhile the bearings in the wheel bodies are convenient to dismount and mount.

The invention relates to a quick disassembly type rolling brush mechanism on a roll type thin film cleaning machine. The quick disassembly type rolling brush mechanism comprises two supporting frames, a plurality of rolling brushes, fixing grooves, fixing holes and a plurality of motors, wherein the supporting frames are arranged in parallel and perpendicular to the horizontal plane; the rolling brushes are placed on the supporting frames; the fixing grooves and the fixing holes are formed in the two supporting frames respectively, are the same as the rolling brushes in number, and are used for containing the rolling brushes; the motors are fixed on the supporting frames and matched with the rolling brushes to be used for driving the rolling brushes to rotate, and the rolling brushes are connected with the motors in a meshed mode through gears. According to the quick disassembly type rolling brush mechanism, on one hand, the rolling brushes are connected with the motors in the meshed mode through the gears, the motors are fixed on the supporting frames, the motors do not need to be disassembled when the rolling brushes are disassembled, therefore, time is saved, and production efficiency is improved; on the other hand, due to the fact that the rolling brushes are directly placed in the fixing grooves and the fixing holes of the supporting frames, when PVA sponge is stained by dust and needs cleaning, the rolling brushes just need to be lifted out of the fixing grooves and the fixing holes, and the disassembly and replacement speed is greatly increased.

The invention discloses a food mixing machine. The food mixing machine comprises a machine base, wherein a column is arranged on the machine base, a suspension arm is arranged on the upper end of the column, one side of the column is provided with an electric cabinet, an electric actuator is arranged in the suspension arm and comprises a gear motor, a first belt pulley is arranged on a motor shaft of the gear motor and is connected with a second belt pulley through a belt, the second belt pulley is fixed on a main shaft, the main shaft is fixed on a mounting plate of a planetary rotary disc, the planetary rotary disc is arranged on the lower end of the mounting plate of the planetary rotary disc, and a mixing blade is arranged on the planetary rotary disc; and a pneumatic actuator is arranged in the column and comprises an air cylinder, one end of the air cylinder is provided with a sliding shaft, a sliding block is sleeved on the sliding shaft, a mixing barrel clamping arm for clamping a mixing barrel is arranged on the sliding block, one end of the mixing barrel clamping arm is connected with a building block which is fixed on the inner wall of the column, and the building block is connected with a clamping arm support seat. The food mixing machine has high cleaning efficiency, mixing tools are convenient to change and clean, and the food mixing machine is simple to operate and is suitable for various food producing industries.

The present invention discloses a deburring brush, comprising a pressing plate, jacking posts, copper sleeves, gaskets, guide posts, springs and bristle units. When the bristle units need replacement, it only needs to place the deburring brush on the ground and then press down edges of the front side of a top plate, so that all the bristle units will fall off against the suction force of strong magnets under the action of each jacking post. According to the present invention, it avoids being time consuming and labor intensive due to removing the bristle units one by one by using a screw driver or other similar devices while replacing the bristle units, and at the same time the replacing speed of bristles is greatly increased.

The invention discloses a textile use coiling block facilitating fabric winding. The textile use coiling block facilitating fabric winding comprises a fixed bottom plate; a perpendicular vertical plate is welded to the outer wall of the side, close to a track base plate, of the upper surface of the fixed bottom plate; the middle portions of the outer walls of the two sides of the perpendicular stand plate are each provided with a counter bore; conical roller bearings are embedded in the two counter bores; a same driving roller is rotationally connected between the inner circles of the two conical roller bearings, and is of a cylindrical structure internally provided with a cavity, and an opening is reserved in one end of the driver; a centripetal bearing is connected to the circumferentialinner wall of the position, close to the opening, of the driving roller in a clamped manner; a gas sucking pipe is inserted and connected to the inner ring of the centripetal bearing; the circumferential outer wall of the driving roller is sleeved with a sleeve; and rectangular holes are formed in the circumferential outer wall of the sleeve and distributed alternately at equal intervals. According to the textile use coiling block facilitating fabric winding, the cloth head of to-be-wound fabric can be closely adsorbed in a strip-shaped hole, the fabric can be closely attached to the circumferential outer wall of a coiling block at the starting end of fabric coiling, it is guaranteed that a finished fabric coil is more close, and the using amount of the coiling block is reduced.

The invention discloses a durable traffic signal indicator device, which comprises a pillar, the bottom of the pillar is provided with a support seat, the upper end of the left side of the pillar is provided with a cross bar, and the end surface of the bottom of the cross bar is fixed with more than one set of indicator lights. It includes a casing and a control device installed on the top of the casing, and the top is fixedly connected with the cross bar. There is a housing cavity inside the casing, and a first signal light and a second signal light are arranged in the storage cavity. There is a first lifting block, a second lifting block is provided on the left and right sides of the second signal lamp, a conductive block is provided on the rear end surface of the first signal lamp and the second signal lamp, and conductive holes are provided on both sides of the conductive block, and the first lifting block Cooperate with the spiral pattern in the second lifting block to connect with the first screw rod extended up and down; the invention has simple structure, convenient installation, multi-angle and azimuth adjustment and installation, fast replacement speed, no influence on normal traffic and comparatively low power supply Safety, improve the safety of use.

The present invention discloses a deburring brush, comprising a pressing plate, jacking posts, copper sleeves, gaskets, guide posts, springs and bristle units. When the bristle units need replacement, it only needs to place the deburring brush on the ground and then press down edges of the front side of a top plate, so that all the bristle units will fall off against the suction force of strong magnets under the action of each jacking post. According to the present invention, it avoids being time consuming and labor intensive due to removing the bristle units one by one by using a screw driver or other similar devices while replacing the bristle units, and at the same time the replacing speed of bristles is greatly increased.

The invention discloses a novel ventilator for a curtain wall. The novel ventilator structurally comprises a ventilator body, a fixed plate, a controller, a movable plate, an upper sound insulation strip, a side sound insulation strip, a buckle device and a filter plate. According to the novel ventilator for the curtain wall, the movable plate with the upper sound insulation strip and the side sound insulation strip is arranged and can be conveniently coordinated with the controller with a motor so as to reduce the whistle generation probability, a filter plate composed of an activated carbonlayer, a dust capturing net and an efficient filter screen is arranged in an inner bin, so that dust and impurities in a curtain wall circulating air source can be filtered, the safety and the self-cleaning effect can be improved, the buckle device with an upper plate and a lower plate is arranged in the inner bin and can be coordinated with an upper plate rubber column and a lower plate rubber column so as to flexibly buckle the filter plate, so that under the condition that the integrity of the filter plate is guaranteed, the replacement speed can be increased, buckles are arranged on the inner side of a back plate of the ventilator body and can be coordinated with ventilator grooves in the surface of the ventilator body for quick buckling connection, so that the later overhaul and maintenance can be facilitated, the working efficiency can be improved, the structure is simple, and the implementation is easy.

The invention discloses an automatic grinding machine for workpiece edges. The automatic grinding machine comprises a machine case, a machine case cover, a distribution box, a control panel, a power line, a storage battery, a rack, a transverse sliding mechanism, a first motor, a vertical sliding mechanism, a second motor, a machine head, a third motor, a grinding tool, an infrared sensor, a single chip microcomputer, a circuit breaker, an alarm, a waste chipping collection device, a push mechanism, an angle adjustment mechanism and a clamping device; the machine case cover is welded to the periphery of the outer side of the top of the machine case, a workpiece can be adjusted to be at the appropriate angle after being clamped and fixed, rotation is firstly carried out to release a lockingbolt, then an adjusting plate is rotated to drive the clamping device to conduct left-and-right angle adjustment, the angle of the workpiece can be subjected to left-and-right adjustment, a pointer points to the number of degrees of a scaleplate, the workpiece adjusting angle can be quickly understood, and therefore the problems that after the workpiece is clamped and fixed, the left and right angles cannot be changed, the flexibility is insufficient, and the work efficiency is low are solved, and the flexibility and work efficiency are increased.

The invention relates to a high temperature explosion-proof device of a supercapacitor. The device comprises a main body, a capacitor body and connecting pieces, wherein a fixing plate is mounted in the main body, and a cavity is fixed to an inner side of the main body, the capacitor body is disposed inside the cavity, and pins are disposed at the top end of the capacitor body. The high-temperature explosion-proof device of the supercapacitor has the following beneficial effects: according to the invention, the main body, the cavity, the capacitor body, the fixing plate, a baffle plate, a reserved port and a spring shaft are disposed, the baffle constitutes an elastic rotating structure through the spring shaft and the fixing plate, and by the action of the cavity, the capacitor body can be placed. When the capacitor body is in the working state, a high temperature is generated, so that the airflow around the capacitor body expands, the outward thrust of the baffle can be given, and the rotation of the spring shaft can drive he baffle to rotate to create a gap with the fixing plate, so that the hot air flow can be quickly exchanged with the cold air flow inside the main body, thereby effectively preventing the high temperature explosion phenomenon of the capacitor body.

A system identifies one or more devices having faults in a communication loop. The system includes an interface, a decision module, and a connection processor. The interface is configured for sending requests for information to each device of the communication loop and for receiving responses to the requests. The devices may include computer disk drives for use in a storage system. The requests may include Read-Link Status (RLS) commands sent to the computer disk drives. The RLS commands may provide diagnostics of the disk drives connected to the loop. The decision module is communicatively connected to the interface for weighting the responses of each device to identify the devices having the faults. The responses may be weighted based on the relative potential for disrupting operability of the system. The communication loop may include an FC loop that allows communications between a host system and the computer disk drives.

The invention provides a small-size oxygen measuring device based on a porous material gas cell, belongs to the field of oxygen measurement, and aims at solving the problems that miniaturization of a single device and integration of a multi-component and multi-point measuring system are difficult to carry out as a large-volume gas cell is adopted by an existing oxygen measuring instrument based on tunable diode laser absorption spectroscopy. According to the small-size oxygen measuring device, an output end of a signal acquisition controller is connected with an input end of a diode laser, output light of the diode laser enters an optical fiber by an optical fiber coupler, light output by the optical fiber is output by a beam collimator and enters to the porous material gas cell and then enters a detector by laser beams in the porous material gas cell, an electric signal output end of the detector is connected with an input end of amplifier, an output end of the amplifier is connected with an input end of a power divider, and the two output ends of the power divider are both connected with an input end of the signal acquisition controller by a phase lock. The small-size oxygen measuring device is used for measuring the concentration of oxygen.

The invention discloses a connection structure capable of realizing rapid disassembly and assembly, and used for a helium gas turbine, and relates to the field of helium gas compressors. The connection structure solves the problems that a turbine shell body is not easily disassembled and assembled because a turbine case is of a non-halved integrated structure, and the assembly difficulty is high because a turbine rotor and rotor wheel discs are of an integrated structure, in an existing helium gas compressor. According to the connection structure, a turbine stator sleeves a turbine rotor, thetwo ends of the turbine stator are connected with an external intake case and an exhaust case separately, a long stay bolt of the turbine rotor sequentially penetrates through first bolt holes of sixrotor wheel discs, one end of the long stay bolt is bolted with a turbine front shaft which is coaxially arranged, and the other end of the long stay bolt is bolted with a turbine rear shaft which iscoaxially arranged; and the turbine case is of an integrated cylindrical structure, six stator guide vane rings of the turbine stator are sequentially installed on the inner circumference of the turbine case from front to rear, and the six stator guide vane rings and the six rotor wheel discs are arranged in a staggered manner. The connection structure is used for rapidly disassembly and assemblyfor the turbine shell body of the helium gas compressor.

The invention discloses a traffic signal indicator lamp device. The traffic signal indicator lamp device comprises a brace, wherein a supporting seat is arranged at the bottom of the brace; a cross rod is arranged at the upper end of the left side of the brace; more than one indicator lamp part is fixedly arranged on an end surface of the bottom of the cross rod; each indicator lamp part comprises a shell and a regulation and control device mounted on the top of the shell; the top of each indicator lamp part is fixedly connected with the cross rod; an accommodating cavity is formed in each shell; a first signal lamp and a second signal lamp are arranged in each accommodating cavity; first lifting blocks are symmetrically arranged on the left side and the right side of each first signal lamp; second lifting blocks are symmetrically arranged on the left side and the right side of each second signal lamp; conductive blocks are arranged on end surfaces of the rear sides of the first signal lamp and the second signal lamp; conductive holes are formed in two sides of each conductive block; and the insides of the first lifting blocks and the second lifting blocks are in threaded matched connection with first screw rods which extend vertically. The traffic signal indicator lamp device is simple in structure and convenient to mount; multi-angle and multi-direction regulation mounting can be realized; the change speed is high; and normal traffic is not affected, power supplying is safe, and use safety is improved.

The invention discloses a 'yi' shape insulating embraced mast for on-load replacement of a high pressure cascade fuse, and relates to an insulating embraced mast. In the prior art, potential safety hazards are large when an operation of 10 kV on-load replacement of the pressure cascade fuse is conducted. The on-load 'yi' shape insulating embraced mast comprises an insulating bar, and wire locking devices which are arranged at the end part of the insulating bar, wherein the insulating bar comprises an upper bar and a lower bar, the middle part of the upper bar and the lower bar is connected through a connecting piece, and the connecting piece comprises a clamping piece used for fixing the insulating rod on a cross arm, a loosening-tightening component used for achieving the looseness and tightness operations of the clamping piece, and a limiting component used for preventing the separation of the upper rod and the lower rod when the clamping piece is loose, the wire locking devices are arranged at the upper end of the upper bar and the lower end of the lower bar. According to the technical scheme, on-load 'yi' shape insulating embraced mast makes it convenient for simultaneous locking of upper and lower leads respectively, and makes it convenient for the replacement of the high pressure cascade fuse; meanwhile, replacement speed and replacement efficiency of the cascade fuse are promoted, metal stress of operation personnel is lowered, and operation safety is improved.

The invention discloses a quick-change flange assembling and welding tool which comprises a tool base, two template installing units slidably connected with the tool base are symmetrically arranged at the top of the tool base, each template installing unit comprises a bearing sliding plate, a positioning base is fixedly installed at the top of each bearing sliding plate, a U-shaped groove is formed in the top of each positioning base, and a flange adjusting piece is fixedly installed on the inner wall of each U-shaped groove. According to the quick-change type flange assembling and welding tool, supporting of an axle is achieved by arranging the template installing units which are connected in a sliding mode, so that the assembling and welding tool can conduct assembling and welding operation on various axles; and by arranging flange templates which can be detached and replaced independently, the workload of tool disassembly and assembly operation when different flanges are installed and welded is reduced, and by arranging the template replacement units, the replacement and combination operation of the flange templates is assisted, and the disassembly and replacement speed of the tool is further increased.

The invention discloses a novel manufacturing process of PC-ABS automobile interior parts. By adopting 3D printing, the automobile interior parts in any shape can be researched, developed and manufactured, so that the psychological requirements of consumers for personalized consumption are met to the greatest extent. Meanwhile, the 3D-printed interior parts are subjected to coating treatment in acoating mode, and thus the surface quality of the printed parts is greatly improved; and moreover, films made of various materials are adopted for coating, so that various fabrics, leather and materials with unique hand feeling can be simulated at will, and finally, the 3D-printed automobile interior parts can be directly used as automobile finished parts. Besides, regarding production, manufacturing and maintenance of the interior trim parts in the automobile industry, the method of integrating 3D printing and coating can simplify the production link, shorten the production period and accelerate the upgrading speed of an automobile interior structure, and the method also has huge advantages in the aspects of automobile maintenance, emergency treatment of sudden events and the like.

The invention discloses a catalytic combustion device capable of quickly replacing a filter material. The catalytic combustion device comprises a waste gas filter device, a pushing device and a blocking door linkage mechanism, wherein a gas inlet and a gas outlet are formed in the waste gas filter device; openings are formed in opposite two side walls of the waste gas filter device; a first movable blocking door and a second movable blocking door are separately arranged in the two openings; the pushing device is arranged at the edges of the openings; the pushing device is used for pushing thefilter material into the waste gas filter device to replace; and the blocking door linkage mechanism is arranged between the first movable blocking door and the pushing device for linkage connection.The catalytic combustion device disclosed by the invention solves the defects of the waste gas filter device in an existing catalytic combustion device, solves the problem that the waste gas filter material is low in speed in a replacing process, and does not need one-by-one aligning mounting; and moreover, during replacement, a pre-placed new filter material is pushed and automatically fed to mount, and the waste gas filter material is discharged.

The invention relates to a crimping machine control system. The crimping machine control system comprises a position sensor and a control platform, wherein the position sensor is used for acquiring the position information of a sliding block in real time and transmitting the acquired position information to the control platform in real time; the control platform controls the sliding block to moveto a first preset position to make a plug on a quick-change handle to be in one-to-one correspondence with the jack position on a die head after obtaining a first die-change instruction; and the control platform controls the sliding block to move to a second preset position to separate an annular pin on the die head from a die seat to take out the die head after acquiring a second die change instruction. The invention has the beneficial effects that in the process of replacing the die head, a user only needs to input the corresponding control instructions on the control platform and perform the corresponding operations after the sliding block moves in place, and repeated contraction and expansion debugging are not needed, so that the replacement speed and efficiency of a die are improved,and meanwhile, the loss of a crimping driving mechanism is reduced.

The invention belongs to the field of drilling machines, in particular to a coal mining drilling machine with a drill bit convenient to replace and aims at the problems that the existing drilling machines are mainly linear, the mining angle is inconvenient to adjust, the existing drilling machines are inconvenient to replace drill bits, the replacement speed is low. The coal mining drilling machine comprises a drilling machine base and a motor base arranged at the top of the drilling machine base, a flexible shaft is movably sleeved with a flexible shaft sleeve, one end of the flexible shaft sleeve is fixed on the side wall of a supporting board, a fixing sleeve is fixed to the other end of the flexible shaft sleeve, the right end of the flexible shaft extends into the fixing sleeve and isfixedly provided with a connecting shaft, the other end of the connecting shaft extends out of the fixing sleeve and is fixedly provided with a connecting base, an installing shaft is clamped to theright end of the connecting base, a drill bit base is fixed to the other end of the installing shaft, and a drill bit is installed on the drill bit base. Through ingenious addition of the flexible shaft, the drill bit part can be separated from the driving motor part, and therefore the angle of the drill bit can be conveniently adjusted without affecting operation of a driving motor.

The invention discloses a rapid replacement and installation system of a power battery pack of a new energy vehicle, which can conveniently and rapidly realize the replacement of the battery pack, has high replacement efficiency, separately stores new and old battery packs, facilitates the management of the battery packs, can effectively improve the replacement capability of the battery pack, realizes full-automatic replacement, and improves the safety of the battery pack. New and old battery packs are stored in an underground pit, space can be saved, safety can be guaranteed, by arranging a transfer mechanism, the replacement efficiency and the replacement speed of the battery packs are effectively improved, in addition, a screw tightening and loosening mechanism for tightening or loosening screws for fixing the battery packs can be correspondingly arranged on a grabbing execution assembly, and the replacement efficiency of the battery packs are improved. The grabbing execution assembly can effectively guarantee the grabbing and mounting efficiency of the battery pack, the problems of collision and the like of the battery pack during mounting and positioning are solved, the replacement capacity of the battery pack is effectively improved, the replacement safety of the battery pack is improved, and the labor intensity is reduced.

The invention relates to a printing machinery, and aims to provide a sport ball gliding press which is compact in structure, safe for use, high in working efficiency and low in energy consumption. The sport ball gliding press comprises a pedestal, an operation table and a heating device, wherein a vertical rack body is arranged on the top end of the pedestal; a driving device is arranged in the rack body; the output end of the driving device is sequentially connected with an adjusting shaft and a plurality of transmission shafts of different specifications; the bottom of the transmission shafts is connected with a sliding wheel; the bottom of the sliding wheel is connected with the heating device; the heating device comprises a heating furnace and a gliding press die body; the side surface of the heating furnace is surrounded by a high-heat-resistant insulating layer; the gliding press die body is arranged on the bottom of the heating furnace; the bottom end of the operation table is fixed onto the pedestal through a lifting screw rod and a lifting nut; the lifting screw rod is used for realizing the vertical adjustment of the operation table; the front end of the lifting nut is provided with a rotary knob; and the rotary knob is used for adjusting the horizontal adjustment of the operation table. The sport ball gliding press is compact in structure and convenient for use, and is safe and stable; and energy is saved.