311results about How to "Meet job needs" patented technology

The invention discloses a large-depth pressure-resistant communication antenna of an unmanned underwater vehicle and the underwater vehicle, and belongs to the technical field of underwater vehicles, the antenna comprises an antenna shell, a pressure-resistant cabin body and a fin-shaped component, the pressure-resistant cabin body is a component forming a cabin body segment of the underwater vehicle, and the fin-shaped component is a fin-shaped component. The antenna shell comprises a radial supporting part fixed to the pressure-resistant cabin and a shell part fixed to the top end of the radial supporting part, the fin-shaped component is fixed to the radial supporting part, an antenna unit is installed in the shell part, and a wireless communication function unit connected with the antenna unit is arranged in the pressure-resistant cabin. The large-depth pressure-resistant communication antenna of the unmanned underwater vehicle has the advantages of being excellent in communication quality, high in pressure resistance, optimized in size, high in space utilization rate, stable and reliable for a long time and the like, and can meet operation requirements in a deep sea environment.

The utility model provides a device for stably recycling pressure energy and cold energy of natural gas. An inlet of the device is connected with upstream pipeline conveying natural gas, the device comprises a differential pressure generator set, a heat exchange unit and an expansion machine bypass pressure stabilizing unit, the differential pressure generator set and the heat exchange unit are connected in series and then connected with the expansion machine bypass pressure stabilizing unit in parallel, and the differential pressure generator set and the expansion machine bypass pressure stabilizing unit are connected into downstream natural gas using equipment after being gathered. The expansion machine bypass voltage stabilization unit comprises a first voltage stabilization and regulation unit, a second voltage stabilization and regulation unit and a third voltage stabilization and regulation unit, and the first voltage stabilization and regulation unit, the second voltage stabilization and regulation unit and the third voltage stabilization and regulation unit are connected in parallel. On the premise of ensuring normal and stable gas utilization of downstream gas utilization equipment, the device is comprehensively applied by combining an ingenious combination mode with an advanced control method, and abundant energy of natural gas can be fully recycled. And the working requirements of upstream incoming gas under the harsh working conditions of large flow and large pressure difference fluctuation change can be met.

The invention discloses a segmented self-destruction rain enhancement and hail suppression rocket controlled by a time schedule controller, and relates to the technical field of artificial rain enhancement and hail suppression rockets. The device comprises a catalysis bin assembly, an engine assembly and an empennage assembly, and the catalysis bin assembly, the engine assembly and the empennage assembly are connected through reducing sleeve assemblies. An explosion self-destruction device is adopted as a safe landing device, a segmented self-destruction device is arranged in a rocket body engine and a tail segment assembly in advance, a time schedule controller outputs an ignition signal according to binding information, an empennage assembly, an engine assembly and a catalytic bin assembly are exploded into floccules not larger than 100 g and fall onto the ground, self-destruction of all the assemblies is reliable, and the safety of landing is guaranteed. The rocket body wreckage preventing device can effectively reduce damage of rocket body wreckage to personnel, buildings, farmlands, livestock and the like, any one of the ignition loops of the time schedule controller does not affect performance of other loops during working, fire spurting is avoided, space is saved, and the function is reliable.

The invention discloses a low-voltage power supply circuit of a bidirectional inverter, a control method of the low-voltage power supply circuit and a storage medium. Two independent ground side power supply units are adopted on the two sides of an isolation ground respectively, and an independent transformer serves as an ideal transformer; the two independent ground side power supply units can be well matched and connected only through the primary winding and the secondary winding of the transformer and the single switch driving element, so that the two ground side power supply units can be effectively and reliably matched for low-voltage power supply, the cost is lower, the process is simple, and the PCB area of a low-voltage power supply circuit can be saved; moreover, the voltage input conditions of the mains supply input end, the photovoltaic input end and the battery input end are monitored in real time to obtain a voltage input monitoring result, so that the working states of the primary ground side power supply unit and the secondary ground side power supply unit are correspondingly controlled, the working requirement of multi-mode starting of the inverter is met, and the working efficiency is improved. And a more convenient and effective low-voltage power supply control mode is provided, and energy conservation and consumption reduction are facilitated.

The utility model relates to the technical field of electric energy meter management, in particular to a detached electric energy meter base number reading device, which comprises a device body and a data reading module arranged in the device body, a rectangular groove is arranged at the upper end of the device body, and a conductive terminal matched with an electric energy meter slot is arranged at the bottom of the rectangular groove; the data reading module comprises a central processing unit, a data acquisition module, a data storage module, a power supply inverter circuit and a wireless communication module, and the data acquisition module, the data storage module and the wireless communication module are electrically connected with the central processing unit respectively. A direct-current power supply is converted into an alternating-current power supply suitable for the work of the electric energy meter through the power supply inverter circuit, and the data of the electric energy meter is accurately read, stored and transmitted through the data reading module, so that the data of the electric energy meter is read on site.

The utility model belongs to the technical field of lubricating oil production equipment, and discloses an efficient energy-saving reaction kettle for producing and processing environment-friendly lubricating oil, which comprises a reaction kettle body and a filter screen, a reaction kettle cover is arranged at the top of the reaction kettle body, and a motor is arranged on the outer wall of the reaction kettle cover. The output end of the motor is fixedly connected with a first bevel gear through a coupler. By arranging the reaction kettle body, the motor, the feeding pipe and the filter screen, lubricating oil and additives needing to be blended are added into the filter screen through the feeding hopper, the motor is started to drive the feeding pipe and the filter screen to rotate at a high speed, and the lubricating oil can generate large centrifugal force during high-speed rotation; and the lubricating oil can be thrown into the reaction kettle body through gaps of the filter screen, so that the speed of the lubricating oil passing through the filter screen is greatly increased, the filtering efficiency of the device is greatly improved, and the overall working efficiency of the device is effectively improved.

The utility model discloses a sealing quick-cooling power head which comprises a supporting seat, the outer wall of the supporting seat is fixedly connected with a motor, an air cylinder body and an air bellow respectively, an output shaft of the motor is fixedly connected with a driving shaft through a coupler, and the outer wall of the driving shaft is fixedly connected with a first driving gear. One end of the main shaft in the cylinder body is connected with a piston rod, and one end of the piston rod is fixedly connected with a tool bit mounting block; according to the device, the supporting base, the motor, the air cylinder body, the air bellow, the driving shaft, a first driving gear, a piston rod, a tool bit mounting block, a driven shaft, a first driven gear, a second driving gear, a supporting shaft, a second driven gear, fan blades, an air inlet partition plate and an air spraying head are arranged, so that air blowing on a tool bit is facilitated in the operation process; therefore, the cooling efficiency of the tool bit is improved, and the problem that the machining head is prone to damage during high-temperature operation due to low cooling speed is solved.

The invention relates to the technical field of farming machinery, in particular to a multifunctional mini-tiller which comprises a rotary tillage tool bit and a switching mechanism, the rotary tillage tool bit is rotationally installed on a machine body and comprises a driving shaft and two rotary tillage tool sets, the driving shaft is in transmission connection with an engine, and the rotary tillage tool sets are symmetrically installed at the two ends of the driving shaft; the rotary blade group comprises a plurality of blades which are arranged in the annular direction of the driving shaft, handle parts of the blades are provided with inserting grooves, the switching mechanism comprises a plurality of limiting parts which are arranged corresponding to the blades, when the limiting parts are inserted into the corresponding inserting grooves, the corresponding blades are locked for rotary tillage work, and when the limiting parts are separated from the inserting grooves, the corresponding blades are adjusted in a floating mode. According to the invention, through the cooperation of the rotary tillage tool bit and the switching mechanism, the effect of flexibly adjusting the working state of the blade under different working conditions is achieved, the obstacle is effectively avoided, the damage risk of equipment is reduced, the maintenance cost and the downtime are reduced, and meanwhile, the safety of operators is also ensured.

The utility model discloses a stepping motor with drive control, which comprises a motor body and an integrated wire protection box, the motor body comprises a shell and a top cover, the shell is also provided with an open slot, the integrated wire protection box is fixed on the motor body, a drive control unit is arranged in the integrated wire protection box, and the drive control unit is fixed on the motor body. The open slot is communicated with the integrated wire protection box, a plurality of phase wire needles are fixed on the motor body, and the phase wire needles are led out from the open slot to be connected with a driving control unit in the integrated wire protection box. By arranging the driving control unit in the integrated wire protection box, on one hand, the integrated wire protection box plays a role in connecting an external power supply and a bridge of the motor body, and the working requirement of the motor body can be met without finding a matched driving control unit; and on the other hand, the integrated wire protection box is fixed on the open slot of the motor body through the connecting part, and the extension position is further arranged to completely wrap the open slot, so that better protection and anti-interference effects on the motor body are achieved.

The invention provides an electric tool and a control method thereof. The electric tool comprises a shell; the motor is arranged in the shell; the battery pack is used for providing power for the motor; the working head is driven by a motor to act; the controller is used for controlling the working state of the electric tool; the starting switch is electrically connected with the controller and used for responding to user operation to drive the motor; the electric tool further comprises an adjusting element which is electrically connected with the controller and comprises a closing gear and at least one speed gear. The controller is configured in the mode that when the adjusting element is switched to the closing gear, the electric tool is in a pause state, the starting switch is triggered, and the output rotating speed of the motor is zero. When the adjusting element is switched to the speed gear, the electric tool is in an on state, the starting switch is triggered, and the motor outputs the rotating speed corresponding to the current speed gear. Switching between the pause state and the open state is achieved through the adjusting element, the operation difficulty is reduced, the probability of operation errors is reduced, and use convenience is enhanced.

The utility model relates to the field of PVC (polyvinyl chloride) gloves, and discloses a special gum dipping tank for PVC gloves, which comprises a gum dipping tank body, a first driving motor is fixedly connected to the inner wall of the gum dipping tank body, a driving shaft is fixedly connected to an output shaft of the first driving motor through a coupler, and stirring blades are fixedly connected to the outer wall of the driving shaft. A fixing frame is fixedly connected to the outer wall of the gum dipping tank body, a second driving motor is fixedly connected to the inner wall of the fixing frame, a movable lead screw is fixedly connected to an output shaft of the second driving motor through a coupler, a movable frame is movably connected to the outer wall of the movable lead screw, and a movable guide block is fixedly connected to the outer wall of the movable frame. According to the special gum dipping tank for the PVC gloves, the gum dipping tank body, the first driving motor, the driving shaft and the stirring blades are arranged, so that the stirring function is realized, the problem that a gum solution is easy to precipitate is solved, and the gum dipping uniformity is effectively improved.

The invention relates to the technical field of emergency rescue and fire fighting, and discloses an axial flow blade and a guide blade for a submersible pump and the submersible pump, and the blade and the guide blade of the axial flow submersible pump are matched to form a blade-guide blade group; the blade is divided into N sections of blade sections, and the stacking line of the blade is determined by combining the N sections of blade sections, the outer section of a hub of the impeller where the blade is located and the curved surface extension stacking point of the outer section of the impeller; the guide vane is divided into N sections of guide vane sections, and the stacking line of the guide vane is determined by the combination of the N sections of guide vane sections, the outer section of a hub of the guide vane and the curved surface extension stacking point of the outer section of the guide vane. A blade-guide blade set with the length shorter than that of blades and guide blades of an original submersible pump is adopted, the stacking lines of the guide blades and the blades are determined through the combination of the sections of the multiple sections of guide blades and the blades, the outer section of a hub and the curved surface extension stacking points of the outer section, and the main body shapes of the guide blades and the blades are determined so as to meet the operation requirements of lift and flow. Meanwhile, the overall weight of the submersible pump is reduced in the pump body direction, and carrying difficulty is reduced.

A battery device, an energy storage device and a power system, the battery device comprises a connecting shell, a cover plate assembly, a first shell, a second shell and a battery cell, the first shell and the second shell are connected with a bottom plate of the connecting shell, a first plate, a second plate and a cover plate of the cover plate assembly, and the first shell and the second shell are oppositely arranged at an interval; the connecting shell, the first shell, the second shell and the cover plate jointly define a storage space; at least one of the first shell and the second shell comprises a frame and a wrapping piece, the frame is in a ring shape connected end to end, and the frame is connected with the bottom plate, the first plate, the second plate and the cover plate; a mounting space is defined by the frame, and the wrapping piece is arranged in the mounting space; the frame is provided with a containing groove which is communicated in the annular direction, the opening direction of the containing groove faces the installation space, and the peripheral edge of the wrapping piece extends into the containing groove and is connected with the frame; the battery cell is accommodated in the accommodating space, and the coating piece is elastically propped against the large surface of the battery cell. The battery device provided by the invention provides enough pre-tightening force for the battery cell.

The present invention discloses an aerial automated replacement device for a single lamp controller based on an unmanned aerial vehicle platform, comprising an unmanned aerial vehicle, a mechanical arm and a controller disassembly and assembly mechanism, wherein the mechanical arm is set up on the unmanned aerial vehicle, and the controller disassembly and assembly mechanism is fixed to the end of the mechanical arm; the controller disassembly and assembly mechanism comprises a rotating motor, a mechanical claw housing, a mechanical claw and a camera assembly for visual positioning when replacing the controller; the mechanical claw housing is fixed to the driving end of the rotating motor, the camera assembly is fixed to the mechanical claw housing, and a mechanical claw motor is arranged on the side of the mechanical claw housing close to the controller. In addition, the device is also equipped with an equipment recovery bin and an equipment replacement bin, which can be used to store recovered parts and replacement parts. The invention realizes the automatic replacement of a plug-in type single lamp controller installed on the top of a street lamp fixture in the air through a unmanned aerial vehicle platform, which greatly reduces the maintenance cost and safety hazards of this type of single lamp controller and improves work efficiency.

The invention discloses a concrete pouring device for building construction, the device mainly comprises a hose part and a limiting part, a fixing cavity is formed in the hose part, the two side wall surfaces of the fixing cavity are fixedly connected with the two side wall surfaces of the limiting part, the limiting part is spiral, and the limiting part is spirally arranged in the fixing cavity of the hose part. When the material conveying mechanism is used, the water solution is filled into the limiting piece, the limiting piece expands, accordingly, the inner wall face and the outer wall face of the hose piece are effectively limited and supported, when the material conveying mechanism is bent due to the working requirement, due to the spiral design of the limiting piece, the hose piece still keeps a bent space, and due to the expansion design of the limiting piece, the hose piece is not prone to being bent. The inner diameter of the hose piece cannot be excessively reduced even if the hose piece is bent, so that the conveying efficiency of concrete in the conveying mechanism is effectively improved while the design of the conveying mechanism meets the working requirements, and the conveying mechanism is prevented from affecting normal discharging of the concrete.

The invention discloses an ultra-wideband multi-system combining platform containing an NR4.9 G frequency band. The combining platform comprises a front-stage combining module, a higher harmonic suppression filtering module and a final-stage combining module, wherein the pre-stage combining module is a common multi-system combining platform and covers 2G, 3G and 4G system signals of mobile communication, and the frequency band is 698-2400HMz; the higher harmonic suppression filtering module is used for frequency selection of the working frequency band of 698-2400MHz of the preceding-stage combining system and suppression of higher harmonics and clutters within the frequency band bandwidth of 2500-5000MHz; the final-stage combining module adopts a hierarchical combining design, NR2.6 G, NR3.5 G and a higher harmonic suppression filtering unit are used as a first stage, NR4.9 G is used as a second stage, the working frequency of the final-stage combining module covers 2515-2515-4960 MHz, and the final-stage combining module comprises a mobile NR4.9 G system. The system has the advantages that existing 2G, 3G, 4G and 5G system frequency bands and an NR4.9G system are integrated and applied to wireless public network coverage, and co-construction and sharing of existing resources within the working frequency band of 698-4960 MHz are achieved.

The invention provides a preparation method of a stretchable piezoelectric sensor based on oriented PVDF fiber, and relates to the technical field of intelligent sensors, the piezoelectric sensor comprises a packaging layer, a positive TPU film layer, a negative TPU film layer and a PVDF piezoelectric film, the outer surface of the positive TPU film layer and the outer surface of the negative TPU film layer are provided with carbon nanotube particles, and the PVDF piezoelectric film is arranged on the outer surface of the packaging layer. The packaging layer is located on the outer surface of the positive electrode TPU film layer, the outer surface of the negative electrode TPU film layer and the outer surface of the PVDF piezoelectric film. According to the preparation method of the stretchable piezoelectric sensor based on the oriented PVDF fibers, the PVDF nanofiber film with the oriented fiber characteristics is prepared through the electrostatic spinning technology; the PVDF piezoelectric film with high piezoelectric property and high stretchability is obtained by regulating and controlling electrostatic spinning process parameters, the film has high stability and shows good mechanical property through testing, meanwhile, after the film is packaged into a sensor, the open-circuit voltage under different elongation rates is stable through testing, and the mechanical strain of different surface characteristics can be effectively detected.

The utility model discloses a power supply disc suitable for a high temperature environment, which is characterized in that the power supply disc comprises a leakage protection switch and a thermal protection switch, and the thermal protection switch is connected in series in a circuit and is arranged in a heat insulation box. The frequent action of power panel thermal protection is solved, and the working efficiency is effectively improved. And after treatment, the working requirements of 220V power supply discs in various high-temperature environments can be met.

The utility model discloses a heat insulation pipe joint structure which comprises a heat insulation pipe body, the outer wall of the heat insulation pipe body is fixedly connected with a fixing block, the outer wall of the fixing block is movably connected with a connecting flange, the inner wall of the connecting flange is provided with an installation hole, the outer wall of the fixing block is fixedly connected with a sealing gasket, and the sealing gasket is fixedly connected with the heat insulation pipe body. A through hole is formed in the inner wall of the sealing gasket, a sealing ring is movably connected to the inner wall of the through hole, threads are distributed on the outer wall of the fixing block, the fixing block is connected with the heat insulation pipe body in a welded mode, threads are distributed on the inner wall of the connecting flange, and the connecting flange is connected with the fixing block through the threads. According to the device, by arranging the heat insulation pipe body, the fixing blocks, the connecting flanges, the mounting holes, the sealing gaskets, the through holes and the sealing rings, double sealing work after mounting is facilitated, so that the sealing effect after mounting is improved, and the problem that leakage is prone to occurring due to the poor sealing effect is solved.

The utility model relates to the field of stop valves, and discloses a nut feeding vibration disc for assembly of stop valves, which comprises a machine body, a stock bin is arranged at the top of the machine body, a spiral track is mounted on the inner wall of the machine body, a fixed discharging plate is mounted at the top of the stock bin, and a fixed guide rail is fixedly connected to the outer wall of the stock bin. The bottom of the fixed discharging plate is fixedly connected with a first mounting block, and a movable discharging plate is mounted on one side of the fixed discharging plate. According to the nut feeding vibration disc for assembling the stop valve, through the arrangement of the machine body, the stock bin, the spiral track, the fixed discharging plate, the fixed guide rail, a first mounting block, a movable discharging plate, a sliding block, a second mounting block, a fastening bolt, a fastening nut and a reset spring, the distance between the fixed discharging plate and the movable discharging plate can be conveniently adjusted; and therefore, the application range is widened, the working requirements of people are met, and the device is worthy of application and popularization.

The utility model provides a waterproof shell and a power adapter. The waterproof shell comprises a shell body and a cover body, the shell comprises a bottom plate and a side wall, the side wall is connected to the periphery of the bottom plate so as to define a containing cavity used for containing an electronic element, and the side, back on to the bottom plate, of the side wall is provided with a sealant pouring groove used for containing sealant; the cover body comprises a cover plate arranged on the opening side of the containing cavity in a covering mode and a first sealing flange arranged on the surface, facing the bottom plate, of the cover plate in a protruding mode, and the first sealing flange is inserted into the glue pouring groove and connected with the shell in a buckled mode so that the first sealing flange can abut against the bottom of the glue pouring groove. According to the waterproof shell, due to the fact that the first sealing flange is fixed to the shell in the buckled mode, the first sealing flange can be kept to abut against the bottom of the glue pouring groove, the situation that a gap is generated between the first sealing flange and the bottom of the glue pouring groove is improved, after the sealant is poured into the glue pouring groove, the sealant can be evenly distributed in the glue pouring groove, and the sealing effect is improved. Therefore, the sealing performance of the waterproof housing is effectively improved.

The utility model discloses a raw material edge cutting device of disposable wash towel processing and forming equipment, which comprises two fixed racks, a guide roller is fixedly connected between the two fixed racks, the tops of the fixed racks are fixedly connected with a fixed frame, the inner wall of the fixed frame is provided with an edge cutting knife group, and the edge cutting knife group is fixedly connected with the guide roller. A driving motor is fixedly connected to the outer wall of one fixing rack, a supporting block is installed on an output shaft of the driving motor, a positioning block is fixedly connected to the outer wall of the supporting block, and a winding roller is movably connected to the outer wall of the other fixing rack; according to the device, the fixed rack, the guide roller, the fixed frame, the edge cutting knife group, the driving motor, the supporting block, the positioning block, the winding roller, the limiting block, the mounting block, the handle and the belt conveying mechanism are arranged, so that the raw materials of the wash towel can be conveniently fed, and the problem that time and labor are wasted due to tedious feeding operation is solved.

The input end of the first voltage conversion circuit is connected with an external power supply, and the output end of the first voltage conversion circuit is connected with the input end of a second voltage conversion circuit and first equipment. The output end of the second voltage conversion circuit is connected with second equipment, and the second voltage conversion circuit is used for receiving the second voltage; the input end of the third voltage conversion circuit is connected with the external power supply, and the output end of the third voltage conversion circuit is connected with third equipment and the input end of the fourth voltage conversion circuit; the output end of the fourth voltage conversion circuit is connected with fourth equipment and the input end of the fifth voltage conversion circuit; and the output end of the fifth voltage conversion circuit is connected with fifth equipment. The working requirements of different devices can be met through a simple circuit structure, and the design cost of the power supply circuit is reduced.

The utility model relates to the field of air conditioner stop valves, and discloses an air conditioner stop valve necking fixing device which comprises a supporting frame, a mounting groove is formed in the top of the supporting frame, an electric push rod is fixedly connected to the outer wall of the supporting frame, and the movable end of the electric push rod is fixedly connected with a movable plate. And one end of the movable plate is fixedly connected with a supporting rod, the interior of the supporting rod is movably connected with a movable rod, and one end of the movable rod is fixedly connected with a positioning rod. According to the necking fixing device of the air conditioner stop valve, the movable frames can be conveniently driven to slide in the opposite direction or the back direction, so that the distance between the movable frames can be conveniently adjusted, stop valves of different sizes can be conveniently fixed, the application range is widened, and the practicability is high. And the problem that the stop valves with different sizes are not convenient to fix due to inconvenient adjustment is solved, the working requirements of people are met, and the stop valve fixing device is worthy of popularization and use.

The utility model discloses a CD type amorphous iron core, which comprises a support iron core and an iron core lamination, the inner wall of the support iron core is fixedly connected with fixed bumps, the two ends of the iron core lamination are respectively and fixedly connected with an outer convex end and an inner convex end, the fixed bumps are distributed at the two ends of the support iron core at equal intervals, and the outer convex end and the inner convex end are fixedly connected with the support iron core. The inner wall of the supporting iron core forms a positioning groove through the fixing protruding block, the outer protruding end is matched with the positioning groove, the outer groove is matched with the fixing protruding block, and the outer protruding end and the inner protruding end are distributed at the two ends of the iron core lamination at equal intervals. The device is provided with the supporting iron core, the iron core laminations, the fixing protruding blocks, the positioning grooves, the outer protruding ends, the inner protruding ends, the inner grooves and the outer grooves, rapid alignment assembly is facilitated, a coil can be positioned after assembly, therefore, the convenience of winding work is improved, the working requirements of people are met, and the device is worthy of application and popularization.

The utility model discloses a clamping device for non-metal fastener production, which comprises a supporting seat, a first electric push rod is mounted on one side of the supporting seat, two supporting frames are fixedly connected to the other side of the supporting seat, the first electric push rod penetrates through the supporting seat and is fixedly connected with a movable block located between the two supporting frames, and the movable block is fixedly connected with a second electric push rod. A containing groove is formed in one end of the supporting frame, a guide rod is fixedly connected to the inner wall of the containing groove, a movable frame is movably connected to the outer wall of the guide rod, and a through groove is formed in the outer wall of the movable frame. According to the non-metal bolt machining device, the non-metal bolt can be machined more conveniently, the problem that overturning machining is inconvenient due to the fact that the non-metal bolt cannot rotate after being clamped is solved, further positioning can be conducted when overturning is not needed, and therefore the stability of the non-metal bolt in the machining process is guaranteed.

The utility model discloses an anti -oxidation corrosion boiler coil pipe, including fixed guide rail, the one side of fixed guide rail has and inserts the installation sliding block, the one side of fixed guide rail inner chamber has set up the sliding cavity of equal interval distribution, the inner chamber sliding of sliding cavity is installed with the locating pin, one end of locating pin is fixedly connected with the spring, one end of spring is fixedly connected in the sliding cavity inner wall, the one side of installation sliding block is set up with the locating slot of locating pin adaptation of fixed guide rail inside both ends all are seted up and are limited the slot, the utility model discloses the structure design of setting up guide rail straight up and down, when the maintenance of dismounting coil pipe, unlocking locking structure, can under the guidance of slide rail quick completion coil pipe's dismounting work to the speed of coil pipe's dismounting is accelerated, improves the dismounting maintenance efficiency of coil pipe, provides the convenient for user's dismounting maintenance work.

The utility model relates to the field of photovoltaic power generation, and discloses power equipment for photovoltaic power supply, which comprises an outer box body, the inner wall of the outer box body is fixedly connected with a supporting rod, the inner wall of the supporting rod is fixedly connected with an inner box body, the outer wall of the inner box body is fixedly connected with a fixing plate, the bottom wall of the inner box body is fixedly connected with a driving motor, and the driving motor is fixedly connected with a power source. And heat dissipation blades are fixedly connected to the top of an output shaft of the driving motor, a supporting plate is fixedly connected to the inner wall of the inner box body, a connecting groove is formed in the top of the supporting plate, and a partition plate is movably connected to the inner wall of the connecting groove. According to the power equipment for photovoltaic power supply, the functions of heat dissipation and dust prevention are achieved, and the function of heat insulation is achieved, so that the situation that internal electric devices are damaged due to the fact that the temperature is too high due to sunlight irradiation or the temperature is too low due to contact with rain and snow when the power equipment is used outdoors is avoided, and the service life is prolonged.

The utility model discloses a portable refueling machine for road rescue, which comprises a machine shell, rotating shaft parts matched with the machine shell are movably mounted on two sides of the machine shell, a machine cover is movably mounted on one side of the machine shell through the two rotating shaft parts, a lock pin is movably mounted on one side of the top of the machine cover, and a lock pin is movably mounted on the other side of the top of the machine cover. A lock pin is fixedly installed on one side of the top of the machine shell, a lock catch matched with the lock pin is fixedly installed on one side of the top of the machine shell, anti-skid supporting pads are fixedly installed at the four corners of one side of the machine shell, and a pull rod is installed on one side of the top of the machine shell in an up-down movable mode. In this way, a user can carry the oiling machine on the road like going out with'luggage ', so that road rescue work can be rapidly and flexibly carried out, rapid road rescue emergency work is achieved, corresponding emergencies occurring on the road are rapidly solved, and convenience is provided for work and use of the user.