67results about How to "Achieve fixity" patented technology

The invention discloses an electric power equipment transportation fixing device comprising a bottom plate. Two symmetrical first sliding grooves are formed in the upper surface of the bottom plate. Afirst sliding block matched with each first sliding groove is clamped inside the first sliding groove, and the middle of the upper surface of each first sliding block is fixedly connected with a first connecting block. Two symmetrical groove plates are placed on the upper surface of the bottom plate. According to the electric power equipment transportation fixing device, the groove plates can better slide and can be better driven through operation of electric push rods to move, and accordingly, an electric power equipment body is fixed in a clamped mode and taken out; and the electric power equipment body can be better clamped through moving of the groove plates, can be better subjected to buffer protection through tension of springs and can be better compressed and fixed through operation of the electric hydraulic push rods, and the capability of the device for protecting electric power equipment and the safety of the device are improved.

The invention discloses a fixing and clamping device for a transformer box. The fixing and clamping device comprises a base. A sliding rail is fixedly connected to the upper surface of the base. Two sliding blocks are connected to the interior of the sliding rail in a sliding mode. The transformer box is placed between the two sliding blocks. The two sides of the transformer box are provided with L-shaped hooks. The tops of the sliding blocks are fixedly connected with the bottoms of two triangular plates. The inclined faces of the two triangular plates are each provided with a first pulley. The right angle sides of the triangular plates are fixedly connected with one side of a fixing plate. The transformer box is improved, due to cooperation of the sliding rail, the sliding blocks, the triangular plates, the first pulleys and the transformer box, under the pressure of the transformer box, the triangular plates and the first pulleys move back to back, and therefore the sliding blocks are driven to slide left and right inside the sliding rail; due to cooperation of the fixing plate, a through hole and a second pulley, the fixing plate is effectively limited, and therefore the bottom end of the transformer box is fixed and clamped, and the fixing and clamping effects are achieved.

The invention relates to a gas hole sealing pressure measuring apparatus applied to coal seams and surrounding rocks, and specifically relates to a mechanical expansion type hole sealing pressure measuring apparatus and a pressure measuring method suitable for inclinedly and downwardly drilling holes. The mechanical expansion type hole sealing pressure measuring apparatus comprises a piezometer pipe, a grouting pipe and a grouting pump, and also comprises a core pipe, an expansion pipe and a sleeving pipe, the expansion pipe is a part of the sleeving pipe, and the front of the sleeving pipe is provided with a sleeving pipe nut; the core pipe is sleeved with the sleeving pipe, and the front of the core pipe is provided with a core pipe screw; the piezometer pipe penetrates the core pipe and is positioned by a rubber plug; the grouting pipe stretches into the core pipe; the core pipe and the sleeving pipe are respectively provided with flower holes; and an outer end of the sleeving pipe is sleeved with a fixed washer fixed to the coal rocks. According to the apparatus, the core pipe is rotated to expand the expansion pipe and extrude the coal rocks so as to achieve the purposes of hole sealing and fixation, then mortar is grouted to perform hole sealing, and the sealing effect is further improved. The apparatus is simple in structure and convenient to install and operate, the determination result is accurate, and the apparatus can be reused when the sleeving pipe is replaced.

The invention discloses a computer peripheral equipment selling rack. The computer peripheral equipment selling rack comprises a sucker base, wherein a fixed rod is fixedly connected to the upper surface of the base, the top end of the fixed rod penetrates through the bottom of a turn plate, and a suspension rod is fixedly connected to the side face of the fixed rod and located above the turn plate; an engine is fixedly connected to the bottom of the suspension rod, the output end of the engine is sleeved with a rotary rod, a round block is fixedly connected to the bottom of the rotary rod, the outer side face of the turn plate is fixedly connected with one end of each connecting rod, and the side, away from the turn plate, of each connecting rod is connected in a groove formed in a round frame in an lap joint mode. By arranging a bearing, rotation and fixation are realized; by forming sliding grooves in the four connecting rods, quick rotation and intermittent rotation of the round frame are achieved through the cooperation of the rotary rod and the round block; by arranging the selling rack on a bearing platform, object accommodating and rack rotation are achieved.

A three-wall water injection hole packer for coal mines comprises a core part of the hole packer, and an outer cavity formed by a capsule, the core part of the hole packer is of a two-layer structure formed by an inner cavity and a middle cavity, the two ends of the core part of the hole packer are provided with an end channel I and an end channel II respectively, the outer wall of the core part of the hole packer is provided with a water injection channel and threads for connecting the core part of the hole packer and the capsule, and a sealing body is arranged in the capsule and used for sealing water in the outer cavity. According to the three-wall water injection hole packer for coal mines, due to the fact that small holes are formed in the outer wall of the middle cavity, water flow enters the outer cavity through the outer wall of the middle cavity so that the capsule can be propped open and can also enters the middle cavity of the hole packer connected with the channels through the channels in the two ends of the middle cavity, the fixation and hole sealing effects are achieved, water injected into a coal seam can reach places needing water through the channels in the hole packer, the three cavities are formed by three walls, and therefore pressure water used for sealing holes and the water injected into the coal seam can be separated from each other and will not be mixed.

The invention discloses a pushing mechanism of mechanical polishing equipment for machining. The pushing mechanism comprises an air cylinder, a side plate, a sliding plate, a bottom plate, a guide rail, a pushing plate, an auxiliary reinforcing mechanism and an extending mechanism. According to the pushing mechanism of the mechanical polishing equipment for machining, the auxiliary reinforcing mechanism is arranged at the bottom of the bottom plate, and after a workpiece is driven by the sliding plate to move to a proper position, electrification of an electromagnet can be canceled, so that amovable block drives a clamping plate to move leftwards under elastic force of a micro spring, and the clamping plate is pushed by side surface of a ratchet wheel to slightly rotate and completely enter the position between two gears on the side surface of the ratchet wheel, thus the ratchet wheel and the gears are fixed through the clamping plate, moreover, the positions of a rack, a connecting plate and the sliding plate are fixed through the gears, and the beneficial effects that the sliding plate and the workpiece are further reinforced and fixed, and workpiece machining is more stable areachieved.

The invention relates to 5-(1H-indolyl-3-methylene)-1,3-thiazolidinyl-4-one derivatives, and a synthesis method and application thereof. By using ethanol and/or water as a solvent, substituted 2-substituted-imino-1,3-thiazolidinyl-4-one and 1H-indolyl-3-formaldehyde are subjected to reflux reaction under the catalytic condition of piperidine through intermolecular dehydration condensation reaction to form methylene linking group, thereby obtaining the 5-(1H-indolyl-3-methylene)-1,3-thiazolidinyl-4-one derivatives. The intermediate 2-substituted-iminothiazolidinyl-4-one is prepared by carrying out cyclization reaction on various monosubstituted ethyl thiocarbamide chloroacetates or chloroacetic acids in a low-boiling solvent under reflux conditions, and the intermediate 2-substituted-imino-3-substituted-1,3-thiazolidinyl-4-one is prepared by carrying out a green environment-friendly synthesis technique on various disubstituted symmetric thiocarbamides and chloroacetic acids. The bioactivity preliminary screening experiment result of all the target compounds on the enzyme molecular level indicates that the target products have certain inhibition activity on PTP1B and CDC25B to different degrees.

The invention discloses a metal grinding machine, comprising a base, a support plate is fixedly connected to both sides of the top of the base, a cylinder is fixedly connected to one side of the support plate, and a cylinder is fixedly connected to an end far away from the support plate. The first splint, the bottom of the first splint is provided with a long hole, the inside of the long hole is provided with a second splint, the side of the second splint close to the cylinder is provided with a slot, the bottom of the surface of the first splint and There is a first groove on the side close to the cylinder; the invention achieves the effect of driving the movement of the first splint by setting the cylinder, the effect of storing the second splint through the long hole, and the effect of fixing the clamping block through the spring , through the block and slot, the effect of fixing the second splint can be achieved, and the effect of increasing the area of ​​the splint can be achieved through the first splint and the second splint, which can clamp metals of different sizes, which is convenient for users to adjust the splint of different sizes. metal for grinding.

The invention belongs to the technical field of advertising boards, and particularly relates to an advertising board convenient to disassemble and move for electricity marketing, which comprises a base, a first groove is formed in the top of the base, and a double-shaft motor is fixedly connected to the inner wall of the first groove. According to the invention, the sliding effect of the T-shapedgroove and the T-shaped block is utilized, an advertising disc can be mounted in a supporting frame, bolts are matched with a cover plate, the advertising board can be fixed, the goal of convenient disassembly and assembly is achieved, by rotating of a rotating drum, a brush is driven to rotate and friction at the surface of the advertising board to achieve the purpose that the dust at the surfaceof the advertising board is cleaned, and by cooperation among structures in the whole device, the advertising board is convenient to disassemble, assemble and move, meanwhile, the advertising board is cleaned, the structure is reasonable, use is convenient, and practicability is high.

The invention discloses a detecting device for industrial plates. The detecting device comprises a base, a sliding groove is formed in the upper surface of the left side of the base, and a rack plate is sleeved with the sliding groove. Bottom teeth of the rack plate are engaged with a first gear which is engaged with a second gear, the second gear is in transmission connection with a transmission wheel through a first conveyor belt penetrating through the base, and the axis center of the transmission wheel is fixedly connected with the bottom of the base through a connecting rod. The transmission wheel is in transmission connection with a driving wheel through a second conveyor belt penetrating through the base, the driving wheel is in transmission connection with a driven wheel through a third conveyor belt, and the upper surface of the rack plate and the upper surface of the third conveyor belt are both fixedly connected with the bottoms of clamping devices. According to the detecting device for shoe soles, the clamping devices are arranged, bottom plates, support rods, clamping plates and movable nuts are matched to achieve the clamping effect, and the operation effect is achieved through the driving wheel and the driven wheel.

The invention discloses a sewage filtering, cleaning and reuse mechanical environmentally-friendly device which comprises a body. A motor is arranged on the top of the body. The output shaft of the motor passes through a bearing and the body in turn and is fixedly connected with a rotating rod arranged inside the body. A stirring rod is arranged on the rotating rod, a first filter net is fixedly connected with the inner wall of the body, a filter plate is slidably connected with the top of the first filter net, and a groove is formed on the top of the filter plate. Through arrangement of the motor, the rotating rod and the stirring rod, the effect of separation of impurities and sewage can be achieved, through arrangement of the filter plate, the groove, a first through hole and the firstfilter net, the effect of blocking of the impurities with too large volume can be achieved, by setting of a first strut, a second strut, and a pull rod, the filter plate can be drawn out for cleaningof the impurities, by setting of a first filter layer, a second filter layer, and a third filter layer, the sewage can be obtained for a plurality of times. The impurities in the sewage can be removedmore completely and finely.

The invention discloses waterborne acrylic resin capable of absorbing and degrading formaldehyde. The waterborne acrylic resin capable of absorbing and degrading formaldehyde is prepared by physicallymixing waterborne acrylic acid emulsion prepared by alkyl methacrylate, alkyl acrylate, alkyl carboxylic acid, a crosslinking agent, an initiator and an emulsifier with an aldehyde auxiliary agent. The invention also discloses a preparation method of the waterborne acrylic resin capable of absorbing and degrading formaldehyde. A cross-linking type functional monomer with internal plasticization is introduced into the emulsion of the invention. The prepared emulsion has good film forming property, can be used for preparing waterborne acrylic acid paint for chemically absorbing and degrading formaldehyde and can meet the requirements of functional paint, and a formed film has high density and hardness.

The invention relates to the technical field of leather shoe processing, and discloses a device for automatically fixing leather shoes on a conveying belt for oiling and discharging. The device has afinishing machine; the conveying belt is movably connected to the interior of the finishing machine; a driving wheel is movably connected to the upper portion of the conveying belt. An inner grooved wheel is movably connected to the interior of the driving wheel, a transmission wheel is movably connected to the left side of the driving wheel, a movable rack is movably connected to the left side ofthe transmission wheel, an inflation block is movably connected to the lower portion of the movable rack, a fixing pipe is movably connected to the lower portion of the inflation block, and an inflation valve is movably connected to the interior of the fixing pipe; an oil control gear is engaged with the driving wheel and a rack on the right side of an oil brushing machine; the oil brushing machine is driven to move downwards through rotation of the driving wheel to cover the to-be-processed leather shoes in the oil brushing machine, polishing and oil brushing are started to be conducted on the leather shoes, and therefore the effect of automatically fixing the leather shoes on the conveying belt and then conducting polishing and oil brushing is achieved, and the processing efficiency isimproved.

The invention discloses a freight transport trolley for modern fire control. The freight transport trolley for fire control comprises a bottom plate, wherein the top of the bottom plate is rotatably connected with a freight transport rack; one side of the bottom of the outer wall of the freight transport rack is rotatably connected with the bottom plate through a rotary shaft; a mounting slot is formed in one side, away from the rotary shaft, of the bottom of the freight transport rack; a first hydraulic cylinder is mounted on a position, below the mounting slot, of the top of the bottom plate; the top of the first hydraulic cylinder is rotatably connected with the freight transport rack; the two sides of the inner wall of the freight transport rack are fixedly equipped with a mounting supporting frame; the inner side of the mounting supporting frame is in sliding connection with a fright rack; and the bottom of the freight rack is fixedly connected with a mounting table. The inventionrelates to the technical field of modern fire control. The freight transport trolley for modern fire control solves the problem that objects on a fire control trolley are easily damaged as a result of thrashing action as the fire control trolley cannot be transformed according to the size of freight, and the freight rack stacked with freight is not good in air circulation, so that multiple groupsof freight racks are mounted and fixed, and therefore, freight trolleys of different models do not need to replace.

The invention provides a transportation buffer box for mechanical parts. The transportation buffer box comprises a first opening square box, a second opening square box, a first buffer net and a second buffer net, wherein the first opening square box and the second opening square box are the same in size; the first buffer net is arranged at an opening of the first opening square box; the second buffer net is arranged at an opening of the second opening square box; an opening surface of the first opening square box is equipped with a buckle; and an opening surface of the second opening square box is equipped with a buckle insertion hole matched with the buckle. In use, the transportation buffer box for the mechanical parts provided by the invention only needs to directly place the mechanical parts onto the first buffer net, and to buckle the second opening square box onto the first opening square box, so that the mechanical parts are clamped between the first buffer net and the second buffer net to achieve the effects of fixing and buffering, and therefore, the transportation buffer box is convenient to use, can be used in a circulating mode, does not generate waste, and has wide market space.

The invention discloses a method for integrated packing of an automobile side wall and an automobile door. Screws are nailed into threaded holes of connecting hinges of the automobile door and the automobile side wall for pre-fixing, so that the step that the automobile side wall and the automobile door need to be manually held in the bundling process is omitted. The key positions collided easilyin the transferring process are wrapped and bundled by small gaskets in a fixed-point mode to be protected, quality loss in the transferring process is avoided, raw materials are saved, and detachmentis convenient in the later period.

The invention discloses a machining waste scrap treatment device. A machining box is included. The bottom of the machining box is fixedly connected with a solution box. The back face of an inner cavity of the machining box is fixedly connected with a drilling tool base. A machining table is arranged at the bottom of the drilling tool base. A baffle is welded to the bottom of the machining table. The two sides of the baffle are welded to the inner wall of the machining box. Through the arrangement of the drilling tool base, the machining table, the baffle, through holes, flow guiding plates, aflow guiding pipe, a filter plate, a water pump, a water outlet pipe, an atomization sprayer, a flow dividing pipe and spraying heads, during machining, cutting liquid can be sprayed to a machining platform, dust can be melted in the cutting liquid immediately, and accordingly the advantage of a good waste scrap treatment effect is achieved. Meanwhile, the problems that draught fan direct absorption is adopted in most of traditional machining waste scrap treatment devices, consequently, the treatment effect is not good, and scattering of dust is likely to happen in a workshop are solved.

The invention discloses a fixing device for an intelligent electric meter, which particularly relates to the field of intelligent electric meters. The fixing device comprises a mounting plate, the surface of the mounting plate is fixedly connected with four angular positioning plates, an electric meter box is clamped in the four angular positioning plates, and the top and the bottom of the electric meter box are each fixedly connected with two fixing plates which are distributed left and right; fixing boxes are fixedly connected to the top and the bottom of the surface of the mounting plate, sleeves are embedded in the two sides of each fixing box, L-shaped connecting rods are arranged in the sleeves in a sleeved mode, and inserting rods are fixedly connected to the surfaces of the L-shaped connecting rods. The two movable blocks are driven to get close to each other through rotation of a second threaded rod, so that the two fixing rods get close to each other, the two clamping plates can be driven to get close to each other, the two clamping plates get close to each other to clamp the electric meter body, the intelligent electric meter is fixed, and meanwhile, the intelligent electric meter is convenient to disassemble.

The invention discloses an auxiliary positioning device for formwork installation and a using method, and relates to the technical field of constructional engineering. The auxiliary positioning device for formwork installation is provided with tenon strips, mortises and other structures, nails, welding and other modes are not needed for fixation, splicing installation is faster, a formwork cannot be damaged, and the formwork can be conveniently recycled. By arranging a supporting frame structure, the formwork is more stable and higher in stability, the supporting frame structure is easy to fold and store, and the device is more convenient and safer to transport and store; and by arranging a glass window and scales, a worker can observe the internal condition of the formwork at any time during pouring operation, the possibility of occurrence of accidents during pouring is reduced, material waste is avoided, and the working efficiency is improved.

The invention discloses a plant habitat restriction ecological technology for roof greening and three-dimensional greening. The ecological technology is characterized by comprising two layers of three-dimensional irregular PP (polypropylene) spinneret planting plates, one layer of geotechnical cloth, water-retaining particles, high-quality planting soil and specially selected plants. The planting plate at the bottom layer is filled with water-retaining, heat-retaining and air-permeable water-retaining particles, a layer of geotechnical cloth is laid on the surface of the planting plate at the bottom layer, and the planting plate at the surface layer is filled with the high-quality planting soil in which the specially selected tree type or shrub type plants are planted. The ecological technology disclosed by the invention can be preformed in a base, can be directly assembled in a construction site, and is simple and quick to install, and after the plants grow and form an integral body with the planting plates, a powerful grip can be formed, so that the safety of the roof greening and three-dimensional greening can be ensured.

The invention relates to a limiting device, in particular to a limb limiting device for CT diagnosis. The limb limiting device for CT diagnosis can fix the head and the four limbs and is relatively easy to operate. The limb limiting device for CT diagnosis comprises a bed board, universal wheels, a rope net, a foot fixing mechanism and a hand clamping mechanism, wherein the four universal wheels are arranged on the bed board; the rope net is connected to the bed board; the foot fixing mechanism is arranged on the bed board; and the hand clamping mechanism is arranged on the bed board. By arranging the foot fixing mechanism, the hand clamping mechanism, a lifting mechanism, ahead limiting mechanism and the like, after the hands, the legs and the head of a patient are placed at specified positions, the hands, the feet and the head can be fixed through simple operation, the effect of fixing the four limbs and the head is achieved, and meanwhile, when the lifting mechanism is operated, thelifting mechanism can start a clamping mechanism and a rotating mechanism at the same time, so that the effect of simultaneously fixing the hands, the feet and the head can be achieved.

The invention discloses a patient fixing bandage for surgical nursing. The patient fixing bandage comprises a bandage box, wherein a rotary shaft is rotatably connected between the centers of front and rear inner walls of the bandage box; the outer surface of the rotary shaft is in sliding connection with a medical bandage; a long-strip hole is formed in the center of an inner wall of the right side of the bandage box; a line combing device is fixedly arranged at one side, close to the long-strip hole, of the bottom of the inner wall of the bandage box; one side, far away from the rotary shaft, of the medical bandage sequentially penetrates through the line combing device and the long-strip hole and extends out of the bandage box; a soft rubber strip is fixedly arranged at the bottom of the inner wall of the long-strip hole; a hinge is fixedly arranged at one side of the top of the bandage box; the hinge is fixedly connected with a box cover; the lower surface of the box cover is in sliding connection with the top of the bandage box. The patient fixing bandage relates to the technical field of medical sanitation. By adopting the patient fixing bandage for the surgical nursing, theproblem that an existing bandage cannot have good strength and air permeability at the same time is solved; meanwhile, a bandage drying device and the bandage line combing device are additionally arranged so that the bandage is convenient to use normally.

The invention discloses a high-voltage vacuum circuit breaker with a protection function. The high-voltage vacuum circuit breaker comprises a box body, wherein the bottom of the inner cavity of the box body is fixedly connected with a first fixing board; a second fixing board is movably connected in the first fixing board; the top of the second fixing board is fixedly connected with a vacuum circuit breaker body; and the top of the surface of the box body is fixedly connected with a supporting board. The high-voltage vacuum circuit breaker is provided with the box body and the first fixing board to achieve an effect on placing the second fixing board and the vacuum circuit breaker body, an effect on detecting temperature and humidity in the box body is achieved through a temperature sensorand a humidity sensor, an effect on providing energy is achieved through a solar panel and a storage battery, and an effect of the temperature and humidity regulation of the box body is achieved through a connecting pipe and a fan, and an effect on blocking dust is achieved through a static electricity dust screen. By use of the device, the vacuum circuit breaker can be effectively protected so as to bring convenience to people in use.

The invention relates to interlocking intramedullary nails, in particular to an improved interlocking tibia intramedullary nail and belongs to the technical field of orthopedic surgery medical instruments. The improved interlocking tibia intramedullary nail comprises an interlocking intramedullary nail of which the distal end is provided with a taper positioning hole, an intramedullary nail lock pin with low notch and an intramedullary nail fixing tail cap with low notch; the interlocking intramedullary nail of which the distal end is provided with a taper positioning hole is composed of threeparts, namely a proximal forerake bending area, a middle vertical area and a distal forerake bending area; a distal interlocking pin hole and a distal taper positioning hole are formed in the distalforerake bending area; the intramedullary nail lock pin with low notch is mounted in a proximal interlocking pin hole and the distal interlocking pin hole of the interlocking intramedullary nail, andcomprises a lock pin head and a threaded rod; the intramedullary nail fixing tail cap with low notch is mounted at the top of the proximal end of the interlocking intramedullary nail of which the distal end is provided with the taper positioning hole, and comprises a tail cap head and a threaded rod.

The invention discloses a tower crane wall-attached frame for construction of an extra-large bridge main pier, and particularly relates to the field of tower cranes. The tower crane wall-attached frame comprises an embedded part mechanism for casting, the top and the bottom of the embedded part mechanism for casting are both fixedly provided with a middle shaft fixing mechanism, and one side of the embedded part mechanism for casting is welded with a wall-attached frame fixing mechanism; and the embedded part mechanism for casting comprises a cylindrical embedded part, a first built-in movablegroove is formed in the center of the cylindrical embedded part, and a plurality of peripheral disc-shaped embedded parts are fixedly installed on the outer wall of the cylindrical embedded part. Through the arrangement of the embedded part mechanism for casting, embedded rods for side supporting and the peripheral disc-shaped embedded parts can be embedded in a concrete layer of a floor along with the cylindrical embedded part, and the embedded rods for side supporting and the peripheral disc-shaped embedded parts achieve the secondary supporting and fixing effects on the cylindrical embedded part at the same time; and on one hand, the safety of cast-in-place embedding is improved, and on the other hand, the supporting stability of the cylindrical embedded part is improved.

The invention provides a sprain first-aid bag. The sprain first-aid bag comprises a lining layer, a refrigeration layer, an inflation pressurization layer and a fixing layer which are sequentially bonded; the refrigeration layer comprises a refrigeration layer switch, and refrigeration is achieved through a refrigeration device in the refrigeration layer by pulling the refrigeration layer switch;the inflation pressurization layer comprises an inflation layer switch, and pressurization is achieved through a pressurization device in the inflation pressurization layer by pulling the inflation layer switch; the fixing layer comprises a fixing layer switch, and a protective shell is formed depending on the fixing layer by pulling the fixing layer switch, so that the sprain first-aid bag can protect sprain parts. The sprain first-aid bag provided by the invention can achieve the purposes of refrigerating, pressurizing and fixing sprain joints at the same time, and can be suitable for commoninjured joints such as ankles, knees, wrists and elbows. Under the condition that other articles are not needed, all the steps of fixing, pressurizing, refrigerating and the like can be completed atthe first time. All parts are integrated, the size is small, and carrying and wearing are convenient.

The invention belongs to the technical field of intelligent traffic, and particularly relates to a traffic flow-based road monitoring system for intelligently adjusting traffic light time, which comprises a roadway, a road shoulder, a monitoring vertical rod, traffic light equipment and an anti-crowding device. According to the road monitoring system capable of intelligently adjusting the traffic light time based on the traffic flow, the anti-crowding device is arranged, when a red light is turned on, a scanning camera on the robot scans passing vehicles, when the robot detects that redundant vehicles enter a red light waiting area, license plate numbers of the vehicles are displayed on a display screen, and the vehicles are broadcasted to retreat through voice; after the vehicle exits, the robot moves according to a set track to drive the elastic telescopic net to slide and unfold on the inner wall of the sliding groove, and the unfolding of the elastic telescopic net drives the universal wheels to move, so that the vehicle waiting for the red light is separated, mutual crowding of the vehicles is avoided, and the waiting distance is standardized; and the effect of avoiding vehicle congestion is achieved.

The invention discloses a metal-air fuel cell with a self-sealing cathode easy to fix. The metal-air fuel cell comprises a battery shell, a metal anode assembly, a cathode, a cathode pressing plate, an anode leading-out piece and a cathode leading-out piece. The battery shell comprises two opposite open type end faces, a first sealing groove is formed in a frame of each open type end face, a firstsealing piece is arranged in each first sealing groove, and a cathode maintaining structure is arranged in each open type end face. The metal anode is inserted into the battery shell through the anode through groove, and the anode base is fixed to the end face of the battery shell. The cathode pressing plate covers the open end surface and is clamped through a buckle, the cathode pressing plate is of a frame structure, a second sealing groove is formed in the outer frame of the cathode pressing plate, a second sealing piece is arranged in the second sealing groove, and the cathode is clampedbetween the first sealing piece and the second sealing piece. And the open end surface is hermetically connected with the cathode through a sealing groove and a sealing piece. The cathode material disclosed by the invention can be simply and quickly fixed, can be used for multiple times, and is durable in sealing.

The invention discloses a low-temperature tester. The low-temperature tester comprises a low-temperature testing device, wherein hoisting mechanisms are arranged on the tops of the two sides of the low-temperature testing device, anti-collision mechanisms are arranged at the bottoms of the two sides of the low-temperature testing device, the bottom of the low-temperature testing device is fixedlyconnected with a transmission box, a rotating disc is arranged on the right side of the transmission box, a movable column is fixedly connected to the left side of the rotating disc, the left side ofthe movable column penetrates through the transmission box and extends into the transmission box, and the left side of the movable column is fixedly connected with a first screw rod. According to thelow-temperature tester, the purpose of contacting and separating universal wheels from the ground is achieved by moving up and down fourth fixing blocks, the effect of moving and fixing the device isachieved, and therefore the purpose of stabilizing the device is achieved, and the problem that because the stability of an existing low-temperature tester is poor, the experiment precision of the low-temperature tester is reduced is solved; and the low-temperature tester has the advantages of being good in stability and convenient to use by users.

A newborn transfer incubator for an intensive care unit effectively solves the problem that a newborn slides due to sudden stop and comprises a vehicle body, a lifting mechanism is fixedly connected to the bottom of the vehicle body, a base is fixedly connected to the top of the lifting mechanism, a rotating seat is arranged in the base, and a placing seat is slidably connected to the top of the rotating seat. A transferring box is slidably connected into the containing base, a cavity is formed in the containing base, a belt wheel is rotatably connected into the cavity, a first driven gear is fixedly connected to the top of the belt wheel, and a first rack is fixedly connected to the bottom of the transferring box. The newborn transfer box has the advantages that the newborn transfer box is simple in structure and convenient to use, the risk that the newborn is injured is reduced, the purpose of fixing and protecting the newborn is achieved, the effect of continuously and stably shaking the transfer box is achieved, the newborn is better helped to sleep, the workload of medical staff is relieved, and the safety and stability of the device are improved.