74results about How to "Disassembly safety" patented technology

A split combined type multi-layer heat insulation assembly fixing device comprises a pin column head which is in a long cylinder shape and used for penetrating through a multi-layer heat insulation assembly, pressing piece clamping grooves for pressing pieces to be embedded are distributed in the surface of the pin column head from top to bottom at equal intervals, and a column head-base connector is arranged at the bottom of the pin column head; the pressing sheets are circular and are provided with opening grooves extending from the circle point to the circumference, the opening grooves can be inserted into the pressing sheet clamping grooves so that the pressing sheets can be fixed to the pin column head, and a plurality of layers of heat insulation assemblies are arranged between every two pressing sheets; the pin base is fixed to the surface of the spacecraft, provided with a base-column head connector and used for being connected with the column head-base connector in a matched mode so that the pin column head can be fixed to the pin base. According to the invention, random combination can be carried out in an inserting and buckling butt joint mode, the state can be flexibly changed by changing the combination mode of the pin base and the column head, a large amount of processing time and cost are saved, and the use efficiency of the product is improved.

The utility model relates to the technical field of leakage detection, and provides a leakage detection device, which comprises a tool box internally provided with a gas circuit integrated block; the air path integrated block is provided with a compressed air circulation channel, an air inlet pipeline and a plurality of air outlet pipelines which are communicated with the compressed air circulation channel are arranged on the air path integrated block, the air inlet pipeline is used for being communicated with a compressed air source, and the air outlet pipelines are used for being correspondingly connected with a plurality of pipelines to be tested; the digital pressure gauges are mounted on the air inlet pipeline and the air outlet pipeline; the computer is connected with the digital pressure gauges and determines whether leakage occurs or not according to the air pressure drop condition of the to-be-detected pipeline. The compressed air pipeline is integrated on the air path manifold block, a plurality of air outlet pipelines can be arranged for detecting leakage, and the air outlet pipelines are arranged in the tool box, so that the pipelines can be protected and are prevented from being damaged.

This invention relates to a disassembly tool for the output end of a hydraulic coupler, comprising a puller, a ball-head push rod, a release sleeve, and an adjusting disc. The puller includes a hydraulic push rod and pull claws. The release sleeve has a central hole with a T-shaped cross-section, a convex ring at the top, and threads on its lower outer wall. The adjusting disc is a circular disc with threads on its inner wall. The inner diameter of the circular disc matches the lower outer diameter of the release sleeve and is smaller than the outer diameter of the top ring of the release sleeve. The ball-head push rod is installed in the central hole of the release sleeve, and its outer diameter is not greater than the inner diameter of the hole. This invention utilizes the engagement between the threads on the outer wall of the release sleeve and the release threads on the inner wall of the deep hole at the output end of the coupler. The force is transmitted through the ball-head push rod to the shaft end of the driven equipment, separating the coupler from the shaft end. The ball-head push rod effectively protects the shaft end of the driven equipment from damage and prevents wear and failure of the release threads.

The utility model relates to tire dismounting technical field, especially mine slide plate formula tire dismounting device, including work board, by a piece of front end bifurcation and the horizontal plate of the tire arc surface of convenient support steady and the rear end of the inclined plate of narrowing and slightly upwarping fixed connection are formed, the wheel shaft of rotating connection horizontal plate inside, the outside fixed connection of wheel shaft has a pair of solid wheel, the supercharging mechanism of sliding connection in the inclined plate inside, and the supercharging mechanism is used for increasing the output force of inclined plate, and the horizontal plate is prying the heavier tire with smaller force. Optionally, the supercharging mechanism includes connecting plate, limit board, multiple sets of thread hole and nut. The utility model discloses the structure of lever type horizontal plate and inclined plate, and the structural design of adjustable supercharging mechanism, realizes the quick safe dismounting of mine tire: bifurcation horizontal plate supports tire arc surface, and the tire is dismounted by hand and foot coordinated force utilization lever principle, and the output force of the upwarping of horizontal plate under the heavy load working condition is improved by supercharging mechanism, and the working strength and dismounting risk of manual operation are reduced greatly.

The utility model belongs to the technical field of shield tunneling machine hob dismounting and mounting equipment, and particularly relates to a hob replacing dismounting and mounting tool applied to a shield tunneling machine. According to the technical scheme, the tool changing device comprises a tool changing bracket and a dismounting tool, the dismounting tool comprises a connecting rod, a mounting base is arranged at one end of the connecting rod, a mounting groove matched with a hob body in shape is formed in the mounting base, and a handle is arranged at the end, away from the mounting base, of the connecting rod; a groove facilitating sliding of the hob body is formed in the tool changing bracket, the position of the tool changing bracket corresponds to the position of the hob body, and the tool changing bracket is preliminarily positioned and installed through a first supporting block and a second supporting block and then is further positioned and installed through a jacking lug plate and a second bolt on the tool changing bracket. According to the utility model, the disassembly of an abraded hob and the replacement and installation of a new hob in the tunneling process of the shield tunneling machine can be completed, and safe hob replacement under the conditions of compact space of an excavation bin and inconvenience in operation can be realized in a mode of replacing the hob at the back of the cutterhead.

The utility model discloses a reverse blowing valve element disassembling tool and belongs to the technical field of disassembling tools. The tool comprises a fixing clamping plate and a disassembling tool, the fixing clamping plate is a rectangular plate, a U-shaped hole and a positioning screw hole are formed in the middle of the edge of the left side of the fixing clamping plate, and the position and the size of the positioning screw hole are matched with those of a screw beside a valve element on an S1501 reverse blowing valve; the disassembling tool comprises a positioning ring, fixing bolts and handles, the three fixing bolts facing the circle center are evenly arranged along the circumference of the fixing ring, and the two symmetrical handles are symmetrically arranged on the outer edge of the positioning ring. Aiming at the special structures of the valve core and the valve rod of the S1501 coal gasification device, the dismounting tool can firmly and safely fix the bottom of the valve rod, the corrugated pipe is effectively prevented from being stressed to deform or the valve rod is effectively prevented from falling off during dismounting, and the dismounting work can be completed by only one person. The valve element and the locking nut of the valve element can be rapidly and safely disassembled or installed and fixed in place.

The utility model provides a paper storage mechanism which comprises a supporting assembly which is provided with a vertical frame and is provided with a space for storing paper in a surrounding mode. The monitoring assembly comprises a monitoring piece, and the monitoring piece is arranged on the outer wall face of the vertical frame and faces the inner side space of the vertical frame; the monitoring piece can detect paper inclining in different directions when the paper moves up and down in the height direction of the vertical frame. According to the paper storage mechanism, inclination of paper can be accurately and rapidly monitored so as to guarantee the flatness of the paper, the storage bin structure is optimized, and the paper storage mechanism can be used for containing paper of various sizes and is simple in structure, easy to install and safe and convenient to disassemble and assemble. The utility model further provides packaging or unpackaging equipment provided with the paper taking mechanism.

The utility model discloses a novel pull-rod-free template applied to enhancing the leakage resistance of pool wall, which comprises panels, vertical ribs, transverse ribs, a fixed plate and a vibrator, the two panels are vertically and oppositely arranged, a plurality of transverse ribs are arranged on the back of each panel, the vertical ribs are welded on the outer sides of the transverse ribs, the upper ends of the vertical ribs are higher than the panels, and the lower ends of the vertical ribs are welded on the fixed plate. The vertical ribs at the rear ends of the two panels are in one-to-one correspondence, the upper portions of the vertical ribs are connected through a threaded steel pull rod, the fixing plate is L-shaped, the vertical face of the fixing plate is fixed to the outer sides of the vertical ribs, the horizontal face of the fixing plate is connected to a foundation below, and the vibrators are adsorbed to the lower portions of the back faces of the panels. The device has the advantages of large design bearing capacity, adjustable deflection, no pull rod, high precision, quickness in disassembly and assembly, safety and convenience in use, no scaffold construction and the like, the poured concrete meets the requirements, the construction period is shortened, and the working efficiency is improved.

The invention discloses a lamp tube capable of improving safety performance during disassembly and assembly, and particularly relates to the technical field of lamp tubes, the lamp tube comprises a bottom plate, a connecting assembly is arranged on the bottom plate, the connecting assembly comprises a first connecting seat arranged on one side of the bottom plate, a second connecting seat is arranged at the top of the first connecting seat, and a lampshade is arranged between the second connecting seat and the first connecting seat; the outer side of the lampshade is sleeved with a guardrail. Current is transmitted to the lampwick tube through the conductive connector to illuminate the lampwick tube, the electric leakage phenomenon caused by residual charges on the lampwick tube is avoided, the lampwick tube is safer to disassemble and assemble, the two clamping plates are close to each other oppositely to clamp the lampwick tube, the lampwick tube does not need additional wiring, welding or bolt locking, and the lampwick tube is convenient to disassemble and assemble. And the lamp wick tube is prevented from being broken or exploded, so that the lamp wick tube is safer to disassemble and assemble.

The utility model discloses a sliding rail type roof equipment mounting structure, and relates to the technical field of vehicle-mounted equipment. Comprising a platform base plate which is provided with a sliding rail, extends in the length direction of the platform base plate and is used for clamping roof equipment in a sliding mode; the locking mechanism is arranged on the platform base plate and located on the sliding path of the roof equipment, the locking mechanism is provided with an unlocking handle, and the unlocking handle is located at one end of the platform base plate; the ejection mechanism is arranged on the platform base plate, located on the sliding path of the car roof equipment, capable of driving the car roof equipment to move back in the length direction of the installation sliding rail and capable of ejecting the car roof equipment in the state that the car roof equipment slides to the set position in the length direction of the installation sliding rail. Transverse movement of the roof equipment is limited through the locking mechanism and the pop-up mechanism, the pop-up mechanism stores energy, and limitation of the locking mechanism to the roof equipment can be relieved by pulling the unlocking handle. According to the utility model, the roof equipment can be safely and quickly disassembled and assembled.

The utility model relates to the field of material splicing, and discloses a high-safety-coefficient high-frequency heat sealing machine which comprises a workbench, a moving assembly is slidably connected to the interior of the workbench, a supporting frame is fixed to the bottom of the workbench, and a storage box located on the right side of the supporting frame is fixed to the bottom of the supporting frame; a heat sealing machine is fixed to the top of the workbench, a control panel is fixed to the left side of the heat sealing machine, an air cylinder is fixed to the interior of the heat sealing machine, a heat sealing head is fixed to the telescopic end of the air cylinder, an insulating cover is slidably connected to the outer surface of the telescopic end of the air cylinder, and a balancing weight is fixed to the bottom of the insulating cover. According to the high-frequency heat sealing machine with the high safety coefficient, when cloth is fixed to the upper portion of the heat sealing table through the fixing assembly, the heat sealing head can be pushed to splice the cloth by starting the air cylinder, after splicing is completed, the heat sealing table can be moved to the left side of the heat sealing head by pushing a handle, and the cloth is more safely detached and fixed subsequently.

The invention discloses a catalytic decomposition method of tributyl phosphate. The preparation method comprises the following steps: firstly, polymerizing p-toluenesulfonic acid and paraformaldehyde under the catalytic action of sulfuric acid to prepare a powdery paraformaldehyde sulfonic acid catalyst; then adding tributyl phosphate, normal octane and a powdery paraformaldehyde sulfonic acid catalyst into the spherical reactor, heating to 100-140 DEG C, and stirring for reaction; connecting a water segregator to the reactor, and condensing and collecting light components and water after reaction; in the reaction process, the content of the tributyl phosphate in the reactor is detected by adopting a gas chromatographic analysis method, and the tributyl phosphate can be completely catalytically decomposed after the reaction is carried out for a certain time. By adopting a heterogeneous catalysis method, the conversion rate of catalyzing the decomposition of the tributyl phosphate is high; the used powder paraformaldehyde sulfonic acid catalyst is simple in preparation process and can be recycled for multiple times through separation after the reaction is finished; the method disclosed by the invention is beneficial to catalytic decomposition application of the tributyl phosphate waste liquid in industry.

The invention discloses disassembly and assembly auxiliary equipment for a centrifugal pump. Two grooves are formed in the bearing base, a buffer groove is formed in the bottom of the first groove, and a buffer supporting mechanism is installed in the buffer groove; movable grooves are formed in the two sides of the top of the first groove, the second groove is a driving groove, clamping adjusting mechanisms are installed in the movable grooves and the driving groove, and the clamping adjusting mechanisms are connected with the two limiting plates; the mounting plate is mounted on the buffer supporting mechanism, the centrifugal pump body is placed on the mounting plate and located between the two limiting plates, and the centrifugal pump body is clamped by the limiting plates. According to the invention, the mounting plate can be conveniently fixed, and the time required for disassembly and assembly is reduced; the loss of the movable block and the two-way screw rod caused by the vibration of the pump shaft can be effectively reduced, and the sliding of the two-way screw rod is avoided; vibration caused when the centrifugal pump impeller is disassembled and assembled can be relieved, concentricity of the centrifugal pump impeller is guaranteed, the centrifugal pump impeller can make accurate contact with the middle section of the pump, disassembling and assembling difficulty is lowered, disassembling and assembling efficiency is improved, rapid, accurate and safe disassembling and assembling are facilitated, and maintenance time is shortened.

The utility model discloses a high-pressure hose pulse static pressure detection device which comprises a C-opening hollow frame, a main liquid inlet transverse cylinder and an auxiliary liquid storage transverse cylinder which are installed on the left outer wall and the right outer wall of the C-opening hollow frame respectively, and hollow pipes installed at the opposite ends of the main liquid inlet transverse cylinder and the auxiliary liquid storage transverse cylinder in a bolting mode through flange plates. A digital display type pressure gauge is installed at the top end of the hollow pipe at the end of the main liquid inlet transverse cylinder, and a hydraulic double-way pump liquid assembly is installed at the top end of the C-opening hollow frame on one side of the main liquid inlet transverse cylinder. Water flow is fed into the main liquid inlet transverse cylinder, the high-pressure hose and the auxiliary liquid storage transverse cylinder through the control panel and the hydraulic two-way pump liquid assembly, the pulse pressure of the high-pressure hose is monitored through the digital display type pressure gauge in the liquid pumping process, and after detection is completed, switching valves at the lower ends of the main liquid inlet transverse cylinder and the auxiliary liquid storage transverse cylinder are opened, and liquid drainage is completed.

The utility model relates to the technical field of hanging and grounding of multi-loop power transmission lines, in particular to a multi-loop wire hanging device, which comprises a hanging main body, a grounding wire and a mounting assembly, the mounting assembly comprises a mounting frame, a base, an arm lever, a traction rope, a matching component, a clamping component and a detection component; the mounting frame is fixedly connected with the mounting body and located on one side of the mounting body, the base is connected with the mounting frame in a sliding mode and located on one side of the mounting frame, the arm rod is connected with the mounting frame and located on one side of the mounting frame, the traction rope is connected with the arm rod and located on one side of the arm rod, the matching component is connected with the mounting frame, and the clamping component is connected with the base. And the detection component is connected with the mounting main body, so that the ground wire can be intelligently disassembled and assembled by utilizing the unmanned aerial vehicle to be matched with the arranged corresponding mounting mechanism, workers working aloft can disassemble and assemble the ground wire more safely and quickly, and the risk of working aloft is reduced.

The utility model discloses a magnetic type electric quantity collector, which relates to the technical field of electric quantity collectors, and comprises a detachable top block which is inserted into a regulation and control support seat. The magnetic attraction assembly can adjust and control the adsorption force between the supporting seat and the surface of the electric box, so that the magnetic attraction assembly can be stably magnetically attracted to the electric box for use, subsequent disassembly and maintenance operation is also facilitated, the adsorption force between the magnetic attraction assembly and the electric box can be greatly reduced by rotating the electric quantity collector body during disassembly, and the disassembly efficiency is improved. Therefore, the purpose of quick, stable and safe disassembly is achieved, and the problems that an existing electric quantity collector is not provided with a magnetic force size control structure, when the magnetic force is too large, the electric quantity collector is adsorbed too tightly, disassembly operation during follow-up maintenance and replacement is affected, the electric quantity collector is easily damaged, and the service life of the electric quantity collector is prolonged are solved. And if the magnetic attraction force is too small, the electric quantity collector cannot be stably adsorbed in the electric box.

The invention relates to an AR auxiliary and scene sensing system for man-machine cooperation power battery disassembly. The AR auxiliary and scene sensing system comprises a scene sensing module and an AR auxiliary man-machine cooperation disassembly module. The scene sensing module comprises an instance segmentation model, a posture recognition model and an action recognition model; inputting human body action behaviors and scene information videos in the power battery disassembly scene into an instance segmentation model, a posture recognition model and an action recognition model at the same time, wherein the instance segmentation model, the posture recognition model and the action recognition model independently process the received videos; the processing results of the instance segmentation model, the posture recognition model and the action recognition model are input into the AR-assisted man-machine cooperation disassembly module, and the AR-assisted man-machine cooperation disassembly module performs analogue simulation on the man-machine cooperation disassembly process by using the AR technology according to the received information, so that disassembly information visualization and man-machine safety distance judgment are realized. According to the invention, efficient and safe man-machine cooperation power battery disassembly is realized.

The protective lampshade for the illuminating lamp relates to the technical field of protective lampshades and comprises an upper lampshade body, a lower lampshade body is fixedly connected to the bottom end of the upper lampshade body, a plurality of connecting pieces are fixedly connected to the position, close to the top end, in the upper lampshade body, and an electric net is movably connected to the center in the upper lampshade body through the connecting pieces. The top end of the upper shade body is rotationally connected with a lampshade base, and an air exchange assembly is fixedly connected to the position, close to the center, in the lampshade base. The end, close to the inner portion, of the abutting rod is fixedly connected with the abutting block, the inclined face of the abutting block corresponds to the outer wall of the abutting ring, and the limiting groove with a certain height is fixedly connected to the position, close to the top end, in the upper cover body, so that the power grid can slide in the limiting groove; the power grid can be supported upwards and moved by a certain distance, the multiple connecting pieces drive the abutting ring to slide upwards, the power grid is disengaged, and therefore the problems that the device is difficult to disassemble and troublesome to clean are avoided, and the illuminating lamp is prevented from being damaged during cleaning.

The utility model discloses a lamp box with a self-falling lamp box cover, and relates to the technical field of lamp boxes. The lamp box comprises a lamp box body, a box cover is movably arranged at the bottom end of the lamp box body, a through groove is formed in the lamp box body, two mounting plates are arranged in the through groove in a sliding mode, a driving component for driving the two mounting plates to move synchronously is arranged at the top end of the lamp box body, and the driving component comprises a sliding rail arranged at the top end of the lamp box body. Two sliding blocks are arranged in the sliding rail in a sliding mode, the bottom ends of the two sliding blocks are each provided with a connecting plate, and the two mounting plates are connected with one connecting plate. The box cover is connected with the lamp box body through the connecting rope, so that the box cover cannot be separated from the lamp box body after the box cover is detached, the box cover is prevented from being lost, normal use of the box cover is prevented from being affected, meanwhile, the box cover can be prevented from falling to the ground freely to be damaged, and the lamp box is safer and more convenient to use. And meanwhile, the lamp box cover can be conveniently mounted and dismounted.

The utility model discloses a kind of gear shafts for motor dismounting equipment, including cabinet, clamping mechanism and high-pressure output mechanism of being installed in cabinet, motor installed in clamping mechanism, high-pressure output mechanism has sealing joint, clamping mechanism includes clamping seat installed in cabinet, sliding assembly and buffer assembly installed in clamping seat, adjusting seat installed in sliding assembly, support piece detachably installed in adjusting seat, motor positioning plate installed in adjusting seat, motor clamping plate detachably installed in motor positioning plate, one end of motor is installed in motor clamping plate, the other end of motor is placed in support piece, motor has detachable gear shaft, one end of sealing joint is installed in gear shaft, support piece is multiple and interval arrangement;The high-pressure output mechanism of being set can output high-pressure oil, and the high-pressure oil of output is passed into gear shaft through sealing joint, gear shaft is reversed and pushed out by the impact force of high-pressure oil, dismounting process is efficient, safe, and avoid motor damage.

The utility model discloses a quick fixing and dismounting device for a liftable aerator, which can realize quick dismounting and mounting of the aerator and comprises an aeration fixing connecting rod horizontally and fixedly arranged on the side wall of the liftable aerator, and the free end of the aeration fixing connecting rod is connected with a dismounting connecting rod through a pin shaft. A fixing sleeve is vertically arranged in the free end of the detachable connecting rod, a spherical nut and a reset spring are arranged in the fixing sleeve, a buckling hole is formed in the top face of the free end of the detachable connecting rod, the top face of the spherical nut extends upwards out of the buckling hole, a fixing seat plate is arranged on one side wall of the biological pool, and a fixing groove is formed in the fixing seat plate. A pool wall fixing connecting rod is horizontally and fixedly connected to the fixing base plate, a buckling hole is formed in the top face of the free end of the pool wall fixing connecting rod, the detachable connecting rod extends into the pool wall fixing connecting rod, and the top end of the spherical nut sequentially extends upwards from the two buckling holes.

The bearing box overturning block boring tool comprises a clamping tool, a workpiece body and a boring machine working platform, the clamping tool is used for connecting the workpiece body and the boring machine working platform, the clamping tool is fixed to the boring machine working platform, the workpiece body is fixed to the clamping tool, a lifting lug is arranged on the workpiece body, and the lifting lug is fixed to the clamping tool. The clamping tool comprises a bottom plate, a first frame plate, a second frame plate, a third frame plate and a fourth frame plate are arranged on the bottom plate, and the first frame plate, the second frame plate, the third frame plate and the fourth frame plate jointly form a frame structure. According to the technical scheme, a workpiece body is perpendicularly fixed to a boring machine working platform through a clamping tool, the clamping tool is used for one-time clamping, machining is completed by rotating the boring machine working platform, the workpiece body does not need to be turned over and clamped many times, the time needed for positioning clamping and benchmark adjustment is greatly shortened, and the machining efficiency is improved. Machining can be completed through one-time in-place clamping, positioning and clamping are convenient, and hoisting and dismounting are safe.

The packaging box comprises a box body, a box cavity is formed in the box body, an assembly opening is formed in one horizontal side of the box cavity, an assembly position is arranged in the box cavity, the tool head is placed in the assembly position, the assembly end of the tool head placed in the assembly position faces the assembly opening, and the tool head is placed in the assembly opening. The assembling opening allows a handle to extend into the box cavity, so that the assembling end of the handle is matched with the assembling end of the tool head arranged at the assembling position; the box cover is arranged on the box body so as to open or close the box cavity. By the adoption of the scheme, the handle can directly stretch into the box body to be matched with the tool head without detaching the tool head from the box body, and the packaging box capable of conveniently replacing the tool head and the tool box are provided.

The invention discloses a station-crossing battery replacement safety control system for an electric aircraft, and belongs to the technical field of battery replacement systems. Comprising a central controller, a first controller, a second controller, a flight control system, a battery position self-inspection unit, an aircraft state detection module, a battery assembly component, a load battery pack, a visual detection unit, a fault identification unit, a ground logistics unit, a full-charge battery pack, a battery fault troubleshooting unit and a battery disassembly and assembly robot. By means of the mode, flow and standardization of aircraft battery replacement are achieved, and therefore accuracy and adaptability are improved.

The utility model relates to building electrical monitoring equipment technical field, specifically disclose a kind of building electrical fault alarm device, comprising: mounting plate, the mounting plate outer side wall slidingly arranged mobile seat, the mobile seat top is connected with device ontology by connecting assembly, the mounting plate outer side wall is fixedly provided with top plate, the top plate outer side wall is rotatably provided with screw rod, the end of the end portion of the screw rod away from top plate penetrates mobile seat and is connected with mounting frame;The utility model is cooperatively used by mounting plate, mobile seat, screw rod and adjusting mechanism etc. component, the height of building electrical fault alarm device can be conveniently adjusted, it is convenient to carry out dismounting to device ontology at lower position, dismounting is more convenient and safe, simultaneously, the setting of connecting assembly and limiting component makes the connection of device ontology and mobile seat firm and dismounting convenient, without additional tool can be quickly completed dismounting and installation, greatly improve the maintenance efficiency of device.

The embodiment of the application discloses a balcony support, a support system and a photovoltaic system, which comprise a support assembly, a purlin and a pressing block set, the support assembly is suitable for connecting a balcony fence, the purlin is arranged on the support assembly, and the pressing block set is detachably arranged on the purlin. The purlin is provided with a first mounting cavity and a second mounting cavity. The pressing block set comprises an upper pressing block, a lower pressing block, a locking rod and a locker. The lower pressing block is matched and connected with the first mounting cavity, and the locker is matched and connected with the second mounting cavity. The locking rod is suitable for sequentially penetrating through the upper pressing block, the lower pressing block and the purlin and is connected with the locker. The upper pressing block is suitable for moving along the locking rod. The locking rod is suitable for moving relative to the locker, so as to limit the moving distance between the upper pressing block and the lower pressing block. The application has the effect of convenient disassembly and assembly. Through optimization of the pressing structure, the design of preventing falling is increased, the stability and efficiency of the disassembly and assembly of the support are improved, and the probability of part scattering is reduced.

The present invention relates to a plate roller support seat, which is composed of an upper die seat and a lower die seat. The inner side of the lower surface of the upper die seat and the inner side of the upper surface of the lower die seat are in an arc-shaped structure and matched to form a circular hole. The outer side of the upper surface of the lower die seat is protruding toward the upper die seat, and the inner side is inclined and gradually smoothly transitions to the arc-shaped structure. The lower surface of the upper die seat is provided with a protrusion toward the lower die seat, and the tip is smoothly transitioned to the arc-shaped structure of the lower surface. Compared with the prior art, the use of such a parting surface between the upper die seat and the lower die seat of the present invention can improve the strength of the die seat, and is safer when disassembling and assembling the roller.

The invention discloses a low-voltage T-contact multifunctional wire clamp, which belongs to the technical field of electric power overhaul equipment, and comprises a base, a pressing block structure and a fixing structure, and is characterized in that the base is arranged on a lower shell and is provided with at least one accommodating groove; the pressing block structure comprises a first pressing block and a second pressing block, the first pressing block and the second pressing block are both installed in the containing groove, and a clamping space is formed by the first pressing block and the second pressing block and the side wall of the containing groove; the first fixing piece penetrates through the square hole and a shaft hole formed by the first notch and the second notch in a staggered mode and is partially exposed out of the upper surfaces of the first pressing block and the second pressing block, and the second fixing piece is located on the first pressing block and the second pressing block and connected with the second fixing piece. The wire is clamped or disassembled by screwing or unscrewing the second fixing piece, the problems that a traditional T-shaped contact is difficult to disassemble, power failure needs to be applied and the like are solved, the problem that a traditional wire clamp can only be connected with one branch line is solved, clamping of wires of different specifications is compatible, and the adaptability of the device is improved.

The utility model discloses a needle assisting component, which comprises a needle assisting device and a needle assisting needle head coaxially installed, the needle assisting needle head is used for connecting an indwelling component, the needle assisting device is composed of a base, a main body shell, a support, a needle assisting key and a needle releasing key, the main body shell is connected with the base to form a containing space, and the support is partially located in the containing space. The support is arranged on the main body shell, the needle-assisting needle head is fixed at the bottom end of the support and can move up and down, the needle-assisting key is arranged outside the support, the support is arranged in the main body shell, the support is controlled to drive the needle-assisting needle head to move up and down, and the needle-releasing key is installed in the support. Through the whole needle assisting assembly, the indwelling soft needle and the monitoring probe can be rapidly, stably and accurately implanted under the skin without pain, meanwhile, the needle is very convenient to remove, operation is easy and safe, in addition, the needle assisting needle head is installed and detached under the protection condition, environment friendliness and safety are achieved, secondary damage to a patient is avoided, and the use experience of the patient is improved.

The utility model relates to a cutter loading structure and a miniature fruit puree machine, and belongs to the technical field of fruit puree processing mechanisms. The cutter installing structure comprises a cutter shaft and a stirring cutter which are arranged from top to bottom, a connecting base is arranged at the top of the stirring cutter, an inserting groove for the cutter shaft to be inserted is formed in the connecting base, and the cutter shaft and the connecting base are inserted together in a rotation stopping mode. A mounting hole is formed in the side wall of the connecting seat, and a limiting ball is arranged in the mounting hole; limiting notches corresponding to the mounting holes in position are formed in the cutter shaft, and the groove depth size of the limiting notches is smaller than the diameter size of the limiting balls; a pressing assembly is connected to the outer side of the connecting base in an anti-disengaging mode and provided with a movable pressing part, the pressing part is used for moving to the mounting hole after the cutter shaft is inserted into the connecting base and pressing the limiting ball into the limiting notch, and the pressing part is further used for moving to the side of the mounting hole when the cutter shaft and the stirring cutter are disassembled so that the limiting ball can be disengaged from the limiting notch. The miniature fruit puree machine provided by the utility model comprises the cutter loading structure.