48results about How to "Reduce disassembly steps" patented technology

The utility model discloses a polishing device for mechanical sealing element production, which comprises a fixed bottom plate and a polishing block, a driving motor is fixedly arranged below the fixed bottom plate, an output shaft of the driving motor extends upwards and penetrates through the fixed bottom plate, a rotating base is fixedly arranged at the upper end part of the output shaft of the driving motor, and the polishing block is fixedly arranged on the rotating base. A rectangular groove is formed in the rotating base, supporting rods which are symmetrical front and back are transversely erected in the rotating base, a transverse bidirectional lead screw is arranged between the two supporting rods, the left end of the bidirectional lead screw extends and penetrates through the rotating base, and first sliding blocks which are symmetrical left and right are arranged in the rotating base. A clamping block with the left side face and the right side face having radians is formed on the first sliding block, the supporting rod and the two-way lead screw penetrate through the first sliding block, the first sliding block is screwed with the two-way lead screw, the inner wall, the outer wall and the top wall of the sealing element can be ground through the device, grinding is comprehensive, the disassembly and assembly steps are reduced, manpower is saved, and efficiency is improved.

The utility model provides a glue filling machine capable of quantitatively filling, which relates to the field of glue filling machines, and comprises a filling support, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism and a glue filling mechanism, and is characterized in that the filling support is mounted on the rear side of a rack of a conveyor; an electromagnetic valve is mounted on a glue outlet head at the lower end of the glue storage tank, and the lower end of the glue outlet head of the glue storage tank is connected with a drainage pipe. The radar level meter is matched with the radar horn mouth to monitor the liquid level of glue in the glue filling barrel in real time, and after the liquid level in the glue barrel reaches the standard, the controller closes the electromagnetic valve, so that the phenomenon of overflow waste caused by the fact that the glue barrel is overfilled with the glue or the batch quality defect caused by insufficient filling of the glue in the glue barrel is avoided, and the production efficiency is improved. The metering precision and stability of the glue filling machine in the whole process operation are improved; the glue filling machine solves the problem that in the glue filling process of an existing glue filling machine, the amount of glue filled into a glue barrel is difficult to accurately control, so that the glue filling machine is poor in glue filling precision.

The utility model discloses a bottom die locking structure of a bottle blowing die, which relates to the technical field of bottle blowing dies and comprises a bottom die, an inner bayonet seat, a bottom die water conveying disc, a connecting seat and a bottom die seat which are detachably connected in sequence, and a locking shaft and a machine clamping seat fixed on a bottle blowing machine are additionally arranged on the basis of the bottom die, the inner bayonet seat, the bottom die water conveying disc, the connecting seat and the bottom die seat. The locking shaft penetrates through the bottom die base and is provided with a horizontal through groove, and the machine clamping base is provided with a horizontal clamping pin. The bottom die is pushed laterally, so that the horizontal through groove of the locking shaft is in transverse clamping fit with the clamping pin, and rapid locking of the die is achieved. And clamping can be relieved by reverse side pushing, and disassembly is completed. A traditional multi-bolt fixing mode is abandoned, the disassembly and assembly time is remarkably shortened, meanwhile, the mold locking stability is ensured through rigid matching of transverse clamping, and the mold locking mechanism is suitable for high-frequency production scenes.

The utility model belongs to filling machine technical field, and disclose a kind of rotary filling machine cleaning mechanism, including base, the top of base is fixedly connected with rectangular plate, the inner surface movable joint of rectangular plate top is limited to board, the top of limit board is fixedly connected with protective housing, the inside fixed mounting of protective housing has lift motor, the other end fixed sleeve of lift motor output shaft has lead screw. The utility model is through setting movable rod, pull rod, rectangular block, connecting rod and L type board, pull rod is pulled to left movement, will drive movable rod and rectangular block left movement and extrude spring, further make two connecting rods rotate and drive two L type board relative movement to remove the fixed effect of cleaning plate, cleaning plate separates from adjusting plate under the action of gravity and moves downward at this time, realize the purpose of cleaning plate quick disassembly replacement, improve the efficiency of replacement cleaning plate.

This application provides a home fire monitoring and alarm device, including a base, a lower shell connected to the base, a circuit board on the lower shell, a photoelectric sensor on the circuit board, a labyrinth box covering the photoelectric sensor, and an upper shell connected to the lower shell, covering the circuit board, photoelectric sensor, and labyrinth box. The upper shell includes an upwardly protruding tubular smoke inlet, into which the labyrinth box can be inserted and connected via a snap-fit ​​structure. The snap-fit ​​structure includes a slot on the labyrinth box and an elastic retaining strip on the side wall of the smoke inlet. A columnar connecting part is provided at the upper end of the labyrinth box, coaxial with the smoke inlet, and the slot is located on the columnar surface of the connecting part. One end of the elastic retaining strip is connected to the outer side of the side wall of the smoke inlet, and the other end has a snap-fit ​​part. A radially extending through hole is provided on the side wall of the smoke inlet corresponding to the snap-fit ​​part, and the snap-fit ​​part passes through the through hole and engages with the slot. This device allows for quick and easy assembly and disassembly of the labyrinth box, making operation simple and convenient.

The utility model belongs to the technical field of power line clamps, and particularly relates to an electric power engineering line clamp which comprises a protective supporting cover, a sliding block is connected to the inner wall of the protective supporting cover in a sliding mode, two butt clamping blocks are hinged to the bottom end of the sliding block, the two butt clamping blocks are symmetrically distributed in position, and torsional springs are arranged between the two butt clamping blocks and the sliding block. Opposite arc-shaped grooves are formed in the opposite sides of the two opposite clamping blocks, and arc-shaped clamping plates are connected to the inner walls of the two arc-shaped grooves in a clamped mode. The sliding block and the butt-clamping blocks slide towards the interior of the protective supporting cover to complete automatic locking with the protective supporting cover, so that the two butt-clamping blocks can mount and fix wires and cables, tedious connection of a plurality of bolts is not needed, the mounting and dismounting steps are reduced, and the working efficiency is improved; the side edges of the butt clamping blocks are wrapped and supported through the protective supporting covers, the deformation resistance and stability of the butt clamping blocks are improved, and then the stability and safety of power transmission are improved.

This utility model relates to the technical field of time attendance devices, and discloses a time attendance device for human resources, including a time attendance machine body. Four sets of limiting rods are fixedly connected to one side of the time attendance machine body. One end of each limiting rod is engaged with a limiting component. A fixed box is slidably connected to the surface of the limiting component. A support frame is fixedly connected to the surface of the fixed box. Two sets of connecting blocks are fixedly connected to one side of the support frame. Support components are fixedly connected to the top and bottom of each connecting block. The limiting component includes a locking block engaged with one end of each limiting rod. A sliding plate is fixedly connected to the surface of the locking block. Two sets of support springs are fixedly connected to one end of the sliding plate. This time attendance device for human resources, through the setting of the limiting component, achieves the effect of facilitating the disassembly and assembly of the time attendance machine body, making it convenient for maintenance or replacement of the time attendance machine without removing screws, reducing disassembly and assembly steps, and improving maintenance efficiency.

The breathing machine comprises a main machine and a humidifying tank, the main machine is provided with an inserting base, the humidifying tank is provided with an inserting section, the inserting section can be in inserting fit with the inserting base in the first direction and can be separated from the inserting base in the second direction opposite to the first direction, and the inserting section is provided with an air outlet adapter pipe; the bayonet socket is provided with a receding groove extending in the first direction, so that when the humidifying tank is matched with the main machine in an inserted mode, the air outlet adapter pipe can enter the receding groove in the first direction. In the process of assembling and disassembling the humidifying tank, the protruding air outlet adapter tube does not need to be disassembled, and the humidifying tank inserted with the air outlet adapter tube can be integrally inserted into the bayonet socket, so that the assembling and disassembling steps of the humidifying tank are simplified, and the disassembling step of the air outlet adapter tube in the process of assembling and disassembling the humidifying tank is omitted. In addition, the risk that internal water leaks from the air outlet due to shaking of the humidifying tank is avoided, the cleaning burden of a user is reduced, and the use experience is improved.

The utility model relates to municipal works pipe jacking construction technology field discloses a kind of folding linear pipe jacking line shape measuring devices, including clamping mechanism, folding ruler, adjustable target and the telescopic fixing mechanism for locking the included angle between clamping mechanism and folding ruler;The clamping mechanism is used to clamp the measuring device in the end of pipe wall two sides of construction pipe jacking;Folding ruler one end articulates clamping mechanism;Folding ruler is provided with recess along length direction, and folding ruler is divided into several short rulers, and short ruler is connected with hinge;Laser source and reflector are provided on the adjustable target, and adjustable target is embedded recess to form sliding connection;The telescopic fixing mechanism includes telescopic link and first fixed bolt.The utility model integrates clamping, extension, measurement, target and locking function in one, adapt to the narrow space limit of construction;The short ruler design of folding ruler meets different pipe diameter measurement demand;Telescopic link adjusts included angle, ensures that folding ruler is perpendicular to pipeline axis, reduces inclination error.

The utility model provides an electronic component production assembly mould relates to mould technical field, including operating platform, upper mould and lower mould, the top of operating platform is provided with first placing groove, the lower mould is placed in the first placing groove, the both sides in the first placing groove are provided with first clamping subassembly, and the lower mould is clamped and fixed to the first clamping subassembly. Supporting legs are arranged on the periphery of the top of the operation table, a supporting frame is arranged on the tops of the supporting legs on the periphery, a pressing assembly is arranged at the bottom of the supporting frame, a fixing base is arranged at the bottom of the pressing assembly, and a second containing groove is formed in the bottom of the fixing base. The upper die and the lower die in the electronic element production assembly die are clamped and fixed, operation is easy, the previous tedious disassembly step is omitted, and when electronic elements of different models are produced and corresponding assembly dies need to be replaced, replacement is more convenient, and daily use is convenient.

This utility model relates to the field of edge banding embossing technology, specifically an embossing device. It includes a worktable with a support roller and an embossing roller rotatably connected to its front end. Several edge banding strips pass between the embossing roller and the support roller. The embossing roller is coaxially connected to a rolling motor. The embossing roller includes an end post assembly and a pressure roller. The end post assembly includes a mounting post and a backing plate. An mounting groove is formed on the outer circumferential surface of the mounting post. Square shafts are provided at both ends of the pressure roller, extending into the mounting grooves. The pressure roller of this embossing device is fixed by the square shaft engaging with the mounting groove of the mounting post, and secured by the backing plate and fixing bolts. When changing the pattern, simply loosen the fixing bolts and move the lever to rotate the backing plate around the hinge platform to directly remove and replace the pressure roller. The matching structure between the square shaft and the mounting groove avoids the jamming problem of sliding fit, and the replacement of a single pressure roller requires only a single bolt operation, reducing disassembly and assembly steps and facilitating quick pattern replacement.

The utility model discloses an integrated transport tank for glass flake daub processing, which comprises a separated concentric-square-shaped bottom frame and a bottom table slidably mounted in the separated concentric-square-shaped bottom frame, and the left outer wall and the right outer wall of the bottom table are in bolted connection with the left inner wall and the right inner wall of the separated concentric-square-shaped bottom frame. The front outer wall and the rear outer wall of the separated concentric-square-shaped bottom frame are each provided with two symmetrical double-layer trapezoidal footstands, the separated concentric-square-shaped bottom frame is in bolted connection with the car hopper through the double-layer trapezoidal footstands, and arc-shaped supporting tables are fixed to the upper surfaces of the double-layer trapezoidal footstands. The separated concentric-square-shaped bottom frame is fixed to the car hopper through the double-layer trapezoid foot bases, only one end of the bottom frame needs to be disassembled during unloading, so that horizontal hoisting of the transportation tank body is achieved, after the separated concentric-square-shaped bottom frame is adopted, the unloading process is simplified, only one end of the separated concentric-square-shaped bottom frame needs to be disassembled, and the transportation tank body can be hoisted. And then the transportation tank body can be separated from the bottom frame through hoisting equipment.

The utility model relates to a wear-resistant retainer plate of a ring rolling mill. The wear-resistant retainer plate comprises a mounting structure for dismounting and mounting a wear-resistant retainer plate body, and the mounting structure comprises a first mounting seat, an elastic assembly arranged on the first mounting seat, an abutting plate mounted on the upper surface of the elastic assembly, two second mounting seats fixedly mounted outside the first mounting seat, and a clamping plate rotationally mounted between the two second mounting seats and clamped with the wear-resistant retainer plate body. The wear-resistant retainer plate body is composed of a retainer plate and a clamping block, and the clamping block is fixedly connected to the lower surface of the retainer plate. According to the wear-resistant retainer plate of the ring rolling mill, through the use of the mounting structure, the wear-resistant retainer plate body can be conveniently mounted, the number of dismounting steps is small, the dismounting efficiency of the wear-resistant retainer plate body is greatly improved, and therefore the advantages of being high in practicability, convenient to replace and the like are achieved, and the problems that the fixing mode of the retainer plate is tedious, and cost is low are solved. And after the bolt exceeds the effective use date, hidden dangers are generated, and the screw and the bolt are fractured.

The utility model relates to a door sill inner plate rear connecting plate stamping die belongs to door sill inner plate connecting plate stamping die technical field, this door sill inner plate rear connecting plate stamping die, including base, the top of base is provided with lower mould and upper mould, lower mould is fixedly connected with base, the upper mould is located the top of lower mould, the material arranging mechanism is set up in one side of lower mould for the quick material of plate and the arrangement of material arranging mechanism, wherein, the material arranging mechanism includes setting the fixed material frame of both sides on the top of lower mould, and both sides two fixed material frame one side all are provided with arrangement subassembly through above -mentioned mode, and fixed material frame sets up in both sides of lower mould for limiting the plate material placement range, provides transverse positioning. Arrangement subassembly can drive fixed material frame to shake slightly, and the plate material is guided to be in position quickly. Replacement subassembly is used for quickly replacing the fixed material frame of different models, need not adjusting main mould structure, promotes the multi -specification adaptation ability of mould.

The utility model relates to the technical field of fluid connectors, and discloses a filter type floating blind-mating fluid connector plug, which comprises a socket body, a connecting assembly is arranged on the inner wall of the socket body, and a filter assembly is arranged at one end of the socket body. The connecting assembly comprises a plug body, and the inner wall of the plug body is provided with a first sealing groove. The filter type floating blind-mating fluid connector plug is provided with the mounting shell, the shell cover, the fixing bolts, the third sealing groove, the third sealing ring, the filter screen, the sewage draining exit, the threaded cover, the sealing gasket and the connecting pipe, when the filter screen needs to be cleaned or replaced, the shell cover and the mounting shell can be separated only by disassembling the fixing bolts, the filter screen is directly taken out, the whole connector does not need to be disassembled, and the cost is reduced. The device is simple in structure, few in dismounting steps, simple to operate and convenient to use, and deposited impurities can be regularly discharged under the condition that the filter screen is not dismounted by dismounting the threaded cover on the drain outlet.

The application discloses an automatic laser marking and marking equipment for engine valve guide pipes, which comprises a fixed base and a laser device, the laser device is movably arranged above the fixed base, a galvanometer is arranged on the lower end outer surface of the laser device, a guide pipe conveying belt for conveying the valve guide pipes is movably arranged on the inner side of the upper end of the fixed base, a plurality of groups of arc-shaped grooves are arranged on the outer surface of the guide pipe conveying belt, magnetic pads are fixedly arranged on the inner side of the arc-shaped grooves, deviation correctors are fixedly arranged on the outer surface of the upper end of the fixed base and located on both sides of the guide pipe conveying belt, and an electric push rod is movably arranged at the middle position of one end of the deviation corrector.

The present application relates to the technical field of grinding machine, especially to a quick splicing structure of grinding machine module; its technical scheme comprises: a driving shaft, a mounting disc and a grinding disc; at least three connecting blocks are arranged on the top surface of the grinding disc; the bottom surface of the mounting disc is provided with insertion holes; lock blocks are slidingly connected to the mounting disc at the positions corresponding to the insertion holes; a rotating disc is rotationally connected to the mounting disc and coaxial with the mounting disc; guide grooves are formed in the rotating disc at the positions corresponding to the lock blocks, and guide shafts are fixed to the bottom of each lock block. The present application synchronously links all the lock blocks through a single rotating disc, simplifies the traditional operation of disassembling and assembling multiple connection points one by one into a single action of only turning the convex block, significantly reduces the steps and time consumption of replacing the grinding disc; especially in the working condition of a large grinding machine with a large number of grinding discs, the present application greatly shortens the downtime of the grinding machine and improves the continuous operation efficiency.

This utility model belongs to the field of oil reservoir development technology, and particularly relates to a water injection device for an oil reservoir. It includes a filter box, a water injection pipe installed at the top of the filter box, and an oil pipe located at the bottom of the water injection pipe. An installation base is installed at the front end inside the water injection pipe. The installation base has two sets of installation slots, in which a first filter frame and a second filter frame are respectively placed. By installing a first set of seats inside the filter box, and installing two sets of movable positioning rods within the first set of seats, two sets of push handles can be pushed in opposite directions. This causes two sets of movable plates to move the two sets of positioning rods in opposite directions, compressing a first spring. When the two sets of positioning rods are completely disengaged from the positioning bases on the two sets of first pull handles, the first and second filter frames can be quickly disassembled, achieving rapid unlocking, reducing disassembly steps, improving maintenance efficiency, and avoiding operational difficulties caused by corrosion.

The utility model relates to die casting mould technical field discloses a kind of wear-resistant insert structure of electric tool gear box die casting mould, including left template and right template, the side of left template is clamped with movable insert block, the side of right template is clamped with fixed insert block, fixed insert block is sleeved in the inside of fixed insert block, the both sides of movable insert block are all sleeved with gas cavity, the inside of gas cavity is slidably connected with sliding assembly, the side of movable insert block and right template is all sleeved with four groups of locating seat, the inside of locating seat is inserted with limiting component, the surface of movable insert block is provided with movable insert piece, the sliding assembly includes sliding block that slidingly connects in the inside of gas cavity.The wear-resistant insert structure of electric tool gear box die casting mould, by the setting of gas cavity and sliding assembly, can effectively eliminate the vacuum adsorption effect between casting and movable insert block, reduce the surface microcrack or wear caused by metal friction, improve the service life of insert block.

The utility model discloses a filter with filter core quick release structure belongs to filter equipment technical field, including filter drum, filter cover, filter core, the filter cover detachably installs on the filter drum upper end, the upper end of filter cover inside is equipped with the installation screw hole, the lower extreme of filter drum inside is equipped with the outlet slot, the filter core upper end forms the threaded connection rod of with installation screw hole adaptation, threaded connection rod is connected with installation screw hole, the filter core lower extreme forms the outlet pipe of with outlet slot adaptation, the outlet pipe is sealed and is inserted with the outlet slot. The utility model discloses a filter core with filter cover threaded connection makes filter core can with filter cover together realize dismouting, can reduce the dismouting step of filter core when filter core cleaning maintenance, realizes quick assembly and disassembly, improves the work efficiency of cleaning maintenance. Meanwhile filter core and filter cover threaded connection, when filter core breakage needs replacement, also can be from filter cover and realize quick replacement.

This utility model belongs to the field of natural gas pipeline technology and discloses a natural gas pipeline pressure regulating device. The regulating valve body of the device is located between two sections of conveying pipe. Two connecting pipes are connected to opposite sides of the regulating valve body. The opposite ends of the two connecting pipes are connected to two fixed plates, and the adjacent ends of the two conveying pipes are connected to the other two fixed plates. All four fixed plates are provided with sliding grooves. The threads at both ends of the threaded rod of the disassembly assembly have opposite directions. Two threaded sleeves and two locking blocks are screwed to the threaded rod. The portion of the threaded rod clamped by the threaded sleeves and locking blocks slides within the sliding groove. The opposite ends of the two threaded sleeves can abut against the two fixed plates corresponding to the two connecting pipes, and the two locking blocks can engage with the two fixed plates corresponding to the two conveying pipes, causing the two fixed plates on the same side of the regulating valve body to abut against each other. This device simplifies the disassembly process of the regulating valve body, shortens the time required, and effectively improves disassembly efficiency.

The utility model relates to the technical field of lithium battery production, and particularly discloses a pole piece double-sided gum application mechanism which comprises a plurality of side plates and a support, a plurality of guide rods are connected between the side plates, a double-shaft motor is installed on one side of each side plate, lead screws are connected to the two ends of each double-shaft motor respectively, sliding blocks are connected to the lead screws respectively, and the sliding blocks are connected to the two ends of each side plate respectively. One side of the sliding block is provided with a first roller shaft and a second roller shaft, one side of the first roller shaft is provided with a single-shaft motor, the single-shaft motor is connected with the sliding block, one side of the first roller shaft is connected with a driving gear, one side of the second roller shaft is connected with a transmission gear, and one side of the side plate is provided with an air cylinder; the two ends of the supports are in sliding connection with the guide rods respectively, one side of each support is connected with a cleaning plate, a plurality of elastic components are connected between the cleaning plates and the supports, a connecting rod is fixed between the supports, and the output end of the air cylinder is connected with the connecting rod.

This application relates to an assembly fixture for step shafts, belonging to the technical field of escalator assembly. It includes a base plate, radial positioning seats, and axial positioning seats. Multiple radial positioning seats are spaced apart along the length of the base plate, and the step shaft is placed on these radial positioning seats along its length. Two axial positioning seats are located at opposite ends of the step shaft along its length and are fixedly mounted on the base plate. During assembly, the operator places the step shaft on the radial positioning seats, achieving radial restraint. At this time, both ends of the step shaft along its length abut against the two axial positioning seats. The axial positioning seats are equipped with locking elements to lock the step shaft and prevent rotation. This application, through the synergistic effect of the radial and axial positioning seats, forms a stable constraint on the step shaft radially and axially, preventing the step shaft from shifting or moving due to external forces or vibrations during assembly.

The utility model relates to the technical field of punching dies, in particular to a punching die for an automobile metal stamping part, which comprises a die seat and an external connection plate, placing frames are respectively arranged on the sides, close to each other, of the die seat and the external connection plate, and a detachable stamping plate is slidably mounted on the inner side of each placing frame. A rotating groove is formed in the placing frame, a rotating ring is rotatably mounted on the inner side of the rotating groove, a limiting rod is fixedly mounted on one side of the rotating ring, and a slidable limiting plate is arranged on the outer side of the limiting rod; the design of the detachable stamping plate is adopted, when the stamping knife needs to be replaced, an extrusion ring needs to be grabbed to rotate firstly, then limiting plates are rotated to the two sides of a containing frame, the stamping plate and the stamping knife can be detached through a pushing groove, the detaching steps are reduced, the damaged stamping knife can be conveniently and independently replaced, and the replacing efficiency is improved. And the punching plate and the punching cutter can be conveniently replaced according to the shape of a punched hole.

The utility model relates to the technical field of generator disassembling and assembling tools, in particular to an anti-falling component for disassembling and assembling a generator sealing tile chamber. The anti-disengaging assembly comprises a connecting piece and an abutting piece which are connected, the far end of the abutting piece can be connected to the periphery of a stator shaft of the generator in a sliding mode, and the connecting piece can be connected with the lower half sealing pad chamber and the radial end face of the lower half bearing so that the lower half sealing pad chamber and the lower half bearing can overturn around the stator shaft at the same time. The lower half sealing tile chamber is effectively prevented from inclining due to self gravity and operation external force when the lower half sealing tile chamber is lack of inner ring support in the prior art, so that a stator shaft or a sealing rubber strip is prevented from being scraped and collided, the safety of the stator shaft and the sealing rubber strip of the generator is guaranteed, and the running reliability of the generator is improved. Meanwhile, as the lower half sealing pad chamber and the lower half bearing can simultaneously turn over around the stator shaft, the lower half bearing and the lower half sealing pad chamber do not need to be operated respectively, the disassembly and assembly steps are reduced, and the disassembly and assembly efficiency of the generator sealing pad chamber is effectively improved.

This invention discloses a regulating valve with integrated pressure reduction and relief functions, relating to the field of valve technology. It includes a valve body and a valve seat assembly, an actuator assembly, and a pressure regulating assembly connected to the valve body. The valve seat assembly includes a valve stem, a valve seat, and a valve core that mates with the valve seat; one end of the valve stem is connected to the valve core. The actuator assembly includes a lower diaphragm cover, a diaphragm, and an upper diaphragm cover, all mounted on the valve stem from bottom to top. A deformable chamber for pulling the valve stem is formed between the diaphragm, the upper diaphragm cover, and the lower diaphragm cover. The valve body includes an upstream chamber and a downstream chamber that are interconnected. The downstream chamber and the deformable chamber are connected through a main pipeline equipped with a pressure reducing valve. A branch pipeline is provided on the main pipeline, and a relief valve is provided on the branch pipeline. Under static pressure holding conditions, when leakage occurs at the valve core and the downstream water pressure is too high, the relief valve discharges some of the downstream water, reducing the downstream pressure and preventing the downstream pipeline from bursting. Furthermore, the pressure reducing valve ensures that the pressure acting on the actuator assembly is not excessive and could not cause damage.

The utility model discloses a magnetism detection device of a permanent magnet synchronous traction machine, which relates to the technical field of elevator equipment detection, and comprises a permanent magnet synchronous traction machine and a gauss meter, the permanent magnet synchronous traction machine comprises a machine base, a rotor brake drum and a stator, and a magnetic steel assembly is arranged in the rotor brake drum. A plurality of groups of magnetic steel sheets are uniformly arrayed on the magnetic steel assembly, the rotor brake drum is sleeved outside the stator and is connected with the engine base, a detection hole is formed in the back of the engine base, the detection hole penetrates through the engine base and the stator, a probe of the gauss meter extends into the detection hole, and the detection hole is connected with the stator. A positioning line is arranged at the position, corresponding to the detection hole, of the outer side of the machine base, a plurality of scale lines are arrayed on the periphery of the rotor brake drum in the circumferential direction, and each scale line corresponds to the center position of each set of magnetic steel sheets. According to the utility model, the magnetism of the internal magnetic steel sheet is conveniently detected, the dismounting steps are reduced, and the detection efficiency is improved; and meanwhile, demagnetized or abnormal magnetic steel sheets can be quickly positioned.

The invention relates to the technical field of chromatographic separation and extraction of medicinal and edible plants, in particular to a process and equipment for chromatographic separation and extraction of medicinal and edible plants based on an enzymolysis method, which are characterized in that a regenerated macroporous resin chromatographic column can be quickly replaced to quickly enter a chromatographic filtration state, so that the advantage of convenience in regeneration is preliminarily achieved; through mutual clamping of a butt joint seat and a clamping head, a second motor is used for driving the butt joint seat to rotate to drive the clamping head and a plurality of stirring pipes in the macroporous resin chromatographic column to rotate, and the movement frequency of macroporous resin in the chromatographic column is improved through a stirring mode, so that the macroporous resin cleaning efficiency is further improved; the cleaning liquid is finally discharged from the orifices of the plurality of stirring pipes and directly acts on the surface of the macroporous resin in the chromatographic column, so that the cleaning efficiency of the macroporous resin is further improved, the macroporous resin does not need to be taken out from the chromatographic column in the whole regeneration process, and the device has the advantages of few operation steps and convenience in regeneration.

The utility model provides an air conditioner, and relates to the technical field of air conditioning equipment. The air conditioner comprises a base and cross-flow fan blades. The base is provided with a matching part and a guide opening; the cross-flow fan is arranged in the air duct of the base, one end of the cross-flow fan is used for being connected with the motor, and the other end of the cross-flow fan is movably connected with the matching part through the guide opening. The mounting piece is arranged on the base, the guide opening is formed in the mounting piece, and therefore the cross-flow fan blade can conveniently stretch into the mounting piece from the guide opening and is in running fit with the matching part arranged on the mounting piece, rapid assembly of the cross-flow fan blade and the mounting piece is achieved, and the assembly efficiency is improved; one end of the cross-flow fan blade is driven by the mounting piece to be separated from the motor and pulled out in the axial direction, so that the cross-flow fan blade can be quickly disassembled, and the other end of the cross-flow fan blade can be separated from the matching part along the guide opening; therefore, the disassembly and assembly steps of the cross-flow fan are few, and the disassembly and assembly efficiency is effectively improved, so that the air conditioner is convenient to clean and maintain.

The utility model discloses a membrane disc coupling with flexible laminated sheet relates to membrane disc coupling technical field. The utility model discloses a connecting shaft, the symmetry sleeve joint of positive disc has on the circumference lateral wall of connecting shaft, the lateral of positive disc is equipped with reverse disc, and the opposite surface of positive disc and reverse disc all is equipped with connecting assembly, and connecting assembly includes locating rod, and the opposite surface of positive disc and reverse disc all annular array fixed connection has locating rod, and the locating rod on positive disc and reverse disc is staggered distribution, and the circumference lateral wall of locating rod is equipped with nut with screw thread connection, and the common flexible component is equipped between positive disc and reverse disc. The utility model sets up connecting assembly, reduces the number of independent individual, avoids the loss of locating rod, guarantees the normal dismounting of positive disc and reverse disc, and through setting up flexible component, and flexible laminated sheet is stacked by multiple metal sheets, and the structure rigidity is higher, can bear greater torque and impact load, has greater flexibility on angular and axial compensation.