47results about How to "Does not affect travel" patented technology

The invention relates to a vehicle-mounted automatic charging mechanical arm and an electric vehicle carried with the mechanical arm. The mechanical arm is arranged at the bottom of the electric vehicle, and automatic charging of the electric vehicle is achieved by plugging the mechanical arm into a socket automatically. The mechanical arm comprises a swing arm fixing plate, a first joint, a parallel joint unit, a plug and a camera, wherein one end of the swing arm fixing plate is fixed to the bottom of the electric vehicle; one end of the first joint is connected with the other end of the swing arm fixing plate; one end of the parallel joint unit is connected with the other end of the first joint; the parallel joint unit is parallel to a chassis of the vehicle when the electric vehicle is not charged, and is moved downwards when the electric vehicle needs to be charged; the plug is mounted at the tail end of the parallel joint unit; and the camera is mounted on one side face of the plug. Compared with the prior art, automatic charging is realized, a charging device is small in size, and using is convenient. The vehicle-mounted automatic charging mechanical arm fills up the blank in China and is of great significance on promoting the technological development of electric vehicles.

The invention discloses an improved solvent cold laid asphalt as well as a preparation process and using method thereof. The improved solvent cold laid asphalt is at a liquid state under normal temperature or low temperature; cold oil and cold materials can be directly blended for construction on the spot without heating, and the construction can be carried out at high / low temperature seasons and rain / snow weather, and a large number of machinery and labor are not required in the construction process, the construction is simple and convenient and the repair effect is good; traffic can be immediately opened after repair without affecting the travel of people; the improved solvent cold laid asphalt is usually used for daily maintenance, such as pot slot repair and emergency repair; meanwhile, the improved solvent cold laid asphalt has the advantages of no deterioration, no layering and the like after being stored for a long time.

The invention discloses a movable anti-flood wall which comprises a plurality of vertical column seats, vertical columns and movable baffles. The vertical column seats are fixed on the ground, sealing slots are formed in two sides of the vertical columns, the vertical columns are connected with the vertical column seats respectively through bolts, and the movable baffles between two vertical columns are inserted into the sealing slots of the vertical columns in a spliced manner. The vertical column seats can be fixedly embedded into river coasts or entrances or peripheries of underground garages of hotels, office buildings and the like needing flood control in advance and cannot affect trip of people at ordinary times, and when flood happens and needs to be controlled, the vertical columns can be mounted on the vertical column seats in advance, and the movable baffles are mounted between the vertical columns to form the anti-flood wall. The vertical columns and the movable baffles can be conveniently disassembled and removed after the flood recedes. The movable anti-flood wall effectively solves the problems that when the flood needs to be resisted by the aid of a sandbag wall in flood control and emergency treatment, labor intensity is high, working efficiency is low, water retaining sealing effects are poor, the sandbag wall is easily washed away, the water retaining height is limited and the like.

The invention discloses a plate split mounting type road surface manufactured by utilizing waste plastics. The left sides and the right sides of road surface plates are provided with bulges and grooves in various shapes so that every two adjacent road surface plates can be inserted together in a bearing mode, drilling holes allowing steel strands to penetrate through are formed in the upper sidesand the lower sides of the road surface plates, the compactness and the stability of the road surface can be ensured when the steel strands are connected together. A plurality of grooves are formed inthe sides, close to the roadbed, of the road surface plates, and can be used by cooperating with the plate split mounting type roadbed, and a more stable effect can be achieved by inserting the bulges on a roadbed block into the grooves in the road surface plates; and the road surface plates can further be manufactured to be hollow so that various cables and pipelines can be placed conveniently.In addition, in order to conveniently place the pipelines, the road surface plates with the open lower portions further can be manufactured, and grooves can be additionally formed in the position, incontact with the roadbed, of the bottom face so as to improve the stability.

The invention relates to an electric automobile automatic charging system and method based on an automatic mechanical arm. The system comprises a stall detection device arranged under the ground of a parking space, a charging device arranged beside the parking space, the automobile-mounted mechanical arm installed on an electric automobile, a region control device which is in wireless communication connection with the charging device and the stall detection device and is used for acquiring real-time state information of the charging device and the stall detection device and controlling the charging device and the stall detection device, an automobile-mounted control device connected with the electric automobile and the automobile-mounted mechanical arm and used for acquiring real-time state data of the electric automobile and controlling the mechanical action and electrical performance of the automobile-mounted mechanical arm, and a backstage management center which is in wireless communication connection with the automobile-mounted control device and the region control device and is used for acquiring data acquired by the automobile-mounted control device and the region control device and issuing control commands. Compared with the prior art, the electric automobile automatic charging system and method have the beneficial effects that a domestic gap is filled in, and the system and method have the important significance in promotion of electric automobile technology development.

The invention relates to a folding automatic charging mechanical arm and an electric vehicle vehicleried with the mechanical arm. The mechanical arm is arranged at the bottom of the electric vehicle, and charging of the electric vehicle is achieved by plugging the mechanical arm into a socket. The mechanical arm comprises a swing arm fixing plate, a head joint, a connection plate, a parallel joint unit, a plug and a camera, wherein one end of the swing arm fixing plate is fixed to the bottom of the electric vehicle; one end of the head joint is connected with the other end of the swing arm fixing plate so that the mechanical arm can rotate around the head joint; the connection plate is an inverted U-shaped strip slot, and is connected with the head joint; the parallel joint unit is connected with the connection plate in a sliding mode; the parallel joint unit is located in the connection plate when the electric vehicle is not charged, and extends out of the connection plate and rotates around parallel joints when the electric vehicle needs to be charged; the plug is mounted at the tail end of the parallel joint unit; and the camera is mounted on one side face of the plug. Compared with the prior art, automatic charging is realized, a charging device is small in size, and using is convenient. The vehicle-mounted automatic charging mechanical arm fills up the blank in China and is of great significance on promoting the technological development of electric vehicles.

The invention relates to a system for managing intelligent garages for shared bicycles. The system comprises a garage substrate, a controller unit, a lifting platform, driving mechanisms and a counting unit. The lifting platform, the driving mechanisms and the counting unit are connected with a controller, the lifting platform can reach an exit at the bottom of the garage substrate under the control of the controller unit, at least two rows of accommodating zones with a plurality of parking spaces are arranged on each parking layer, a parking space positioned at an end of one of the rows of accommodating zones is a vacant position where the lifting platform can reach, and a bicycle accommodating rack is arranged on each parking space; the driving mechanisms comprise left-right direction drivers and front-rear direction drivers, each left-right direction driver is used for pushing a row of bicycle accommodating racks to simultaneously move in the left-right directions, and the front-rear direction drivers are arranged at the fronts and / or the rears of the leftmost parking spaces and the fronts and / or the rears of the rightmost parking spaces. The system for managing the intelligent garages for the shared bicycles has the advantages of simple structure, access convenience and low energy consumption.

The invention provides a plate spliced pervious roadbed made by utilizing waste plastics. The waste plastics comprise propylene, polyethylene, polypropylene, polyvinyl chloride and the like. Accordingto the current market conditions, the polyethylene plastics account for 50% of the waste plastics and belong to thermoplastic resin polymers. Therefore, the thermoplastic waste plastic products can be selected to produce and make the plate spliced pervious roadbed. Bulges and grooves of multiple shapes are formed in the left and right sides of the pervious roadbed plate, so that two adjacent pervious roadbed plates are inserted together. Drill holes through which steel strands penetrate are formed in the upper and lower sides, and the pavement can be tight and stable when the steel strands are connected together. A plurality of bulges are arranged on one side, which is close to the pavement, of the roadbed plates and can be matched with the plate spliced pavement, so that the bulges on the roadbed blocks are inserted into the grooves in the pavement panel so as to achieve an excellent stabilizing effect.

The invention discloses a method for constructing a subway station air shaft for soft soil strata, relates to the technical field of underground construction, and aims to solve the technical problems of low construction indirect cost and safe construction without digging the soft soil strata, closing traffic or moving pipelines. The method comprises the following steps: 1) drilling a shaft; 2) casting the shaft wall; 3) filling the outside of the wall; 4) laying reinforcement bars for counter pulling horizontal box culvert; 5) carrying out box culvert horizontal counter pulling construction, namely embedding a plurality of vertical risers for draining on an engineering axial line, counter pulling the horizontal box culvert by using a horizontal counter pulling device, and precipitating by using the riser closest to the forward horizontal box culvert, and removing the riser when the horizontal box culvert is contacted with the riser; and 6) continuing to performing counter pulling on the horizontal box culvert, and repeating the step 5) in cycles until the horizontal box culvert is successfully counter pulled. The method has the characteristics of low construction indirect cost and safe construction without digging, closing traffic or moving the pipelines.

The invention relates to the technical field of bridge monitoring and detecting, in particular to a health monitoring system for judging bridge vertical frequency, torsion frequency, vibration type, damping, roughness and damages. The full-state multifunctional intelligent health monitoring system for the bridge comprises a traction car, a connecting component, a measuring car, and a signal acquiring and processing system, wherein the traction car is a power traction device of the full-state multifunctional intelligent health monitoring system for the bridge, the connecting component is used for connecting the traction car to the measuring car, a signal acquiring device is mounted in the measuring car, the measuring car moves on the detecting bridge or stops on the bridge, so that a bridgedynamic signal is picked up; and finally, signal data is processed by the signal processing device, so that a health state of the bridge is obtained. The full-state multifunctional intelligent healthmonitoring system has the characteristics of being movable, economical, high in efficiency and the like, can simply effectively pick up and process bridge dynamic response in real time to obtain moreaccurate bridge health data, so that a feasible method is provided for the bridge monitoring and detecting field.

The invention provides a vehicle-mounted liquid security check channel of a bus. A left side plate and a right side plate of a door frame are provided with a first laser infrared distance measurement instrument and a second laser infrared distance measurement instrument respectively, a capacitance measurement system comprises a first conductive plate and a second conductive plate, a central controller is provided with a calculation unit, the calculation unit calculates to obtain a dielectric constant epsilon of measured liquid, and the central controller is further provided with a comparison unit judging whether the measured liquid is safe or not. Due to a large difference between a dielectric constant epsilon of flammable and combustible liquid and a dielectric constant epsilon of safe liquid, safety of the liquid can be assessed according to the dielectric constant epsilon obtained after measurement. The vehicle-mounted liquid security check channel occupies a little space and can be conveniently installed on the bus and cannot influence operation of the bus and traveling of citizens.

Provided is an installing method of an elevator without a machine room in a multi-story building. According to the installing method of the elevator without the machine room in the multi-story building, a lift-way is of a multilayer steel framework structure, integral hoisting is conducted after welding forming, and meanwhile a pre-embedded steel plate is arranged on a wall of one side of a staircase in an existing building, the pre-embedded steel plate and a civil structure of the existing building are integrally connected, the pre-embedded steel plate and a steel framework are connected and installed inside the lift-way, the lift-way is arranged outside a window of an existing staircase, a guide rail is arranged in the lift-way, a dragging mechanism is arranged at the top of the lift-way, an elevator car is arranged in the lift-way, a window in each staircase of the corresponding story is transformed into an elevator landing door, and an elevator control cabinet of the elevator is arranged at an elevator landing door of the top story. The installing method of the elevator without the machine room in the multi-story building has the advantages that the purpose of installing an elevator on the multi-story building, especially on a brick and concrete multi-story building without destroying a main structure of the existing building is achieved, time of construction is short, the going out of residents is not influenced during the construction period, the occupied space is small, safety is high, and construction efficiency is high.

The invention relates to the technical field of communication and provides a navigation method and a mobile terminal to solve the problem of high traffic consumption in an existing navigation manner.The method comprises steps as follows: acquiring a current navigation route of the mobile terminal; determining whether the navigation route meets the preset conditions; performing navigation in a first navigation manner if the navigation route meets the preset conditions, wherein the first navigation manner displays key navigation information of the navigation route, and the key navigation information comprises information associated with driving. Accordingly, when the navigation route meets the preset conditions, the mobile terminal displays the key navigation information associated with driving and does not display information unassociated with driving. Travel of a user is not affected and traffic consumption can be reduced.

The invention discloses a multifunctional illuminating street lamp based on 5G communication. The multifunctional illuminating street lamp comprises a base, a supporting rod, an illuminating lamp anda fixing rod; one end of the supporting rod is fixedly connected with the base, and the other end of the supporting rod is fixedly connected with the fixing rod; the illuminating lamp is arranged at one end of the fixing rod; a control box is arranged at one end of the supporting rod, a microprocessor and a communication module are arranged in the control box, a level sensor and a vibration sensorare arranged in the supporting rod, and the communication module, the level sensor and the vibration sensor are all electrically connected with the microprocessor; and a cross rod is arranged under the fixing rod, one end of the cross rod is fixedly connected with the supporting rod, and a camera is arranged at the other end of the cross rod and electrically connected with the microprocessor. According to the multifunctional illuminating street lamp based on 5G communication, surroundings around the street lamp can be monitored through the camera and detected through the level sensor and thevibration sensor, the condition that the street lamp is destroyed is known and sent to a control center in first time, it is guaranteed that the street lamp can normally work, and outgoing of people is not influenced.

The invention relates to an ecological glue-building water-permeable terrace which includes, from bottom to top successively, an original soil layer, a water-permeable pad layer, a leveling layer, a water-permeable stone layer and a transparent protective layer. The original soil layer is composed of roadbed. The water-permeable pad layer is prepared by mixing stones and cement. The leveling layer is prepared by mixing cement and fine sand. The water-permeable stone layer is prepared by mixing glue and natural ecological colorful stones. The terrace overcomes the defects that a water-permeable terrace in the prior art is poor in fastness, is complex in process, is high in cost, is not environment-friendly, and is poor in color fastness. The terrace is high in layer-to-layer fastness, is good in water permeability, is good in color fastness and is environment-friendly.

The invention provides a plate spliced pervious pavement made by utilizing waste plastics. Bulges and grooves of multiple shapes are formed in the left and right sides of the pervious pavement plate,so that two adjacent pervious pavement panels are inserted together. Drill holes through which steel strands penetrate are formed in the upper and lower sides, and the pavement can be tight and stablewhen the steel strands are connected together. A plurality of grooves are formed in one side, which is close to the roadbed, of the pavement panel and can be matched with the plate spliced roadbed, so that the bulges on the roadbed blocks are inserted into the grooves in the pavement panel so as to achieve an excellent stabilizing effect. The roadbed panels can be matched with a gravel layer, sothat the pervious effect is obvious.

The invention discloses an additionally-mounted elevator quarter-floor home-entry stair reconstruction structure. A plurality of door openings are formed in a wall, close to one side of an original stair, of an old building main body, and each door opening is correspondingly formed between every two adjacent layers of residents; the stair between the every two adjacent layers of residents comprisean upper stair located on the upper part of a half-layer terraced platform and a lower stair located on the lower part of the half-layer terraced platform; the lower ends of the door openings are flush with the half-height positions of the upper stairs; and platform channels extending in the horizontal direction are built between the lower end faces of the door openings and steps at the half-height positions of the upper stairs. A front hall body and an elevator shaft are built at the front end of the old building body, the front hall body is used for connecting the old building body with theelevator shaft, and an elevator hall is arranged in the front hall body; and the bottom surface of the elevator hall is flush with the platform channel. According to the additionally-mounted elevatorquarter-floor home-entry stair reconstruction structure and the construction method, the structure is simple, quarter-floor home entry can be achieved, the reconstruction cost is low, and the construction period is short.

The invention discloses a stair climbing power assisting device and a stair climbing power assisting method. The method includes the steps that a transmission mechanism comprises two groups of servo motors, worms, transmission shafts, worm wheels and chain wheels, the two groups of servo motors, the worms, the transmission shafts, the worm wheels and the chain wheels are oppositely arranged on the left side and the right side of a base, the worms are connected with output shafts of the servo motors, the worm wheels are matched with the worms to form meshing transmission, and the transmission mechanism further comprises chains meshed with the chain wheels on the two sides to form chain transmission; the transmission mechanism further comprises a sliding rail, a sliding platform and a chain transmission device, the upper side of the chain transmission device is provided with strip-shaped teeth matched with the upper side of the chain, and the lower side of the chain transmission device is provided with a small chain wheel matched with the lower side of the chain; and the transmission mechanism further comprises a folding rod, a handrail and an induction module mounted on the handrail, the induction module comprises a stress sensor, an acceleration sensor and a wireless module, the wireless module is connected with an induction controller, and the signal output end of the induction controller is connected with a driver of the servo motor. According to the stair climbing power assisting method, the walking aid can help the old to go upstairs and downstairs easily and carry heavy objects, and is humanized in design, safe and reliable.

The invention discloses a tea garden planting management method suitable for whole-process mechanized operation. All first tea rows are parallel; a first tractor-ploughing way is pruned between everytwo adjacent first tea rows; the distance between every two adjacent first tractor-ploughing ways is equal to the wheel track of a large tea operation device; inclined second tractor-ploughing ways are pruned in all the first tea rows; all the second tractor-ploughing ways are parallel; and the distance between every two adjacent second tractor-ploughing ways is equal to the wheel track of the large tea operation device. According to the tea garden planting management method, the second tractor-ploughing ways are arranged in the first tea rows, so that the large passenger type tea operation device can move in a row-crossing mode through the second tractor-ploughing ways and does not need to reach the adjacent first tea rows through a transition road, the width of the transition road does not become the rigid condition for applying the large passenger type tea operation device any more, and the large passenger type tea operation device can be applied to an old tea garden in the prior art after the old tea garden is pruned, so that the operation efficiency is improved.

The invention provides a method for monitoring the vehicle tire pressure state. The method comprises the steps that according to the whole vehicle state, tire pressure information is received from a tire pressure sensor according to a frequency; the tire pressure information is processed to obtain tire pressure data, and according to the tire pressure data, the current vehicle tire pressure stateis identified; when the vehicle tire pressure state is abnormal, warning information is sent to a wireless vehicle communication unit through a communication bus, so that the wireless vehicle communication unit forwards the warning information to a back-end server on the cloud side, and then the warning information is pushed to a vehicle user. The invention further provides a device for monitoringthe vehicle tire pressure state, a method for remotely inquiring the vehicle tire pressure data, the back-end server, a computer storage medium and an automobile.

The invention relates to a solar street lamp type road surface dust collector. A solar cell panel, an LED (light emitting diode) lamp and a dust collector are sequentially mounted on a same electric pole from top to bottom; the dust collector and the LED lamp are connected with a solar cell or a power grid respectively; a power switch, a first switch, a second switch and a timer switch are arranged in the dust collector; the dust collector is in switching connection with the solar cell through the timer switch and the power switch to form a loop; and the timer switch is used for setting the working time period of the dust collector. In the invention, the solar cell supplies power to the dust collector and the LED lamp; and in cloudy and rainy days or in the case of insufficient cell energy, the solar street lamp type road surface dust collector directly obtains power from the power grid so as to ensure normal work of the dust collector, and meets the illumination demand while cleaning the road surface. Moreover, the timer switch is arranged in the solar street lamp type road surface dust collector and used for setting the working time period of the dust collector, and thus the road surface is kept clean without influencing the pedestrians and drivers.

The invention discloses a pipeline robot advancing device suitable for an urban waste water net pipe. The pipeline robot advancing device comprises an advancing frame internally provided with a firstpower cavity. A first center shaft is rotationally arranged in the front end wall and the rear end wall of the first power cavity. A second power cavity is formed in the front side of the first powercavity. A second center shaft is rotationally arranged in the front end wall and the rear end wall of the second power cavity, wherein the first center shaft and the second center shaft are located onthe same axis, and the first center shaft and the second center shaft are internally provided with front-back-communication through holes, the through holes are internally rotationally provided witha third center shaft, the inner wall of the through hole of the first center shaft is fixedly provided with a first armature block, the inner wall of the through hole of the second center shaft is fixedly provided with a second armature block, and a first electromagnet cooperating with the first armature block and a second electromagnet cooperating with the second armature block are fixedly arranged in the third center shaft.

The invention discloses an urban air purification vehicle. The urban air purification vehicle comprises a traction part and a cargo carrying part, a water tank, a generator, a high-pressure water pumpand a spraying device are arranged on the cargo carrying part, and the spraying device comprises a shell. One side of the shell is connected with a high-pressure fan, an air outlet is formed above the shell, a plurality of fine atomization nozzles are installed at the air outlet and connected with the high-pressure water pump through the pipelines, and a negative ion generator is further arrangedat the air outlet. The device is good in water atomization, high in lift and high in haze settling rate, can effectively filter and purify the particulate matters, can save the water effectively, andavoids the situation that the ground is muddy, so that the traveling is affected.

The invention discloses an urban air purifying device comprising a shell. A high-pressure fan is installed in the middle of the shell. The shell is downwards connected with an air gathering shell. Theair gathering shell downwards expands in the radial direction and forms an air inlet at the lower end. Multiple layers of air filtering nets are installed in the air gathering shell. The shell is upwards connected with an air discharge hood. The air discharge hood changes from bottom to top in the radial direction to form a flat air discharge opening. An anion generator and multiple atomizing sprayers are installed at the flat air discharge opening. The urban air purifying device has a good water atomizing effect, is high in lift and haze settlement ratio, filters and cleans particle matter and saves water resource and energy, and the urban air purifying device avoids the situation that the ground becomes muddy, and travel is influenced.

The invention provides a steel needle feeding structure. Steel needles are fed rapidly and conveniently, the whole structure is simple, the manufacturing cost is low, and the feeding efficiency is high. The steel needle feeding structure comprises a base. A connecting plate is arranged between the upper surface of the base, the two ends of the connecting plate are connected with side plates on thetwo sides of the base correspondingly, steel needle material boxes are arranged on the two sides of the front end of the upper surface of the base correspondingly, ejector plates are arranged at thepositions of output ports of the steel needle material boxes, the bottoms of the ejector plates are connected with the lower output ends of corresponding ejector air cylinders through connecting devices, the ejecting air cylinders are fixedly arranged at the corresponding positions of the rear surface of the connecting plate, cylinder seats of rotary air cylinders are fixedly arranged on the two sides of the rear surface of the connecting plate correspondingly, the tail ends of rotary output shafts of the rotary air cylinders are fixedly sleeved with clamping portion fixing seats, and corresponding clamping air cylinders are arranged at the two ends, corresponding to one diameters of the rotary output shafts, of the clamping portion fixing seats correspondingly.

The invention relates to the related field of display screens, and discloses a wiping device capable of adapting to display screens with different thicknesses and collecting waste water. The wiping device comprises a main box body, wherein a cleaning belt wheel cavity is formed in the main box body; a cleaning rotating block cavity is formed in the front side of the cleaning belt wheel cavity; a cleaning disc cavity is formed in the rear side of the cleaning belt wheel cavity; three cleaning belt wheel shafts which are symmetrical about the front end wall of the cleaning belt wheel cavity and extend backwards into the cleaning belt wheel cavity are connected into the front end wall of the cleaning belt wheel cavity in a running fit mode; and cleaning belt wheels are fixedly connected to the tail ends of the rear sides of the cleaning belt wheel shafts. According to the device, through triggering the position of an advertisement display screen, the position of the wiping work and the position of a waste water collecting box body are automatically adjusted, so that the device can automatically adapt to wiping work of the advertisement display screens with different thicknesses, meanwhile, wiped waste water can be further collected when the display screens with different thicknesses are wiped, traveling of pedestrians below the advertisement display screens is not affected, the working efficiency of wiping the advertisement display screens is improved, and meanwhile, people can go out conveniently.

The invention discloses a bus station kiosk and a method for isolating air in a space of the bus station kiosk. The bus station kiosk comprises a kiosk body, and the kiosk body is provided with at least one air filter group, at least one air duct group, at least one axial flow fan group and a control unit. The at least one air filter group is used for filtering air and then outputting the air; theat least one air duct group communicates with the air filter group and is arranged around the upper end of the kiosk body and is used for conveying the filtered air to a designated position and forming an air wall with the kiosk body, so that the space of the kiosk body is relatively isolated from outside air; the at least one axial flow fan group is mounted at the outlet of the air duct group and used for forming a stable air curtain; and the control unit is connected with the air filter group and the axial flow fan group and used for controlling the working states of the air filter group and the axial flow fan group. According to the invention, a closed air curtain structure can be formed, filtered air and unfiltered air are isolated in a short time, the problem that the two kinds of air are mixed is solved, and the technical effect that the filtered air and the unfiltered air are relatively isolated, so that people breathe clean air is achieved.

The invention relates to the technical field of rail engineering, in particular to a subway operation line base long steel rail welding platform device and a using method thereof. The subway operation line base long steel rail welding platform device comprises a welding working area, wherein the welding working area is provided with a transferring structure used for transferring steel rails; roll shaft structures, wherein the roll shaft structures extend from the welding working area to the parallel direction of an existing line, each roll shaft structure comprises a supporting frame and a roll shaft assembly arranged on the supporting frame, and the supporting frames are used for supporting the roll shaft assemblies to the same height of the existing line. Compared with the prior art, the combined structure is simple and feasible, is easy to mount and dismount, and has the advantages that the normal operation of a subway line can be maintained, the travel of passengers is not influenced, the subway operation safety is ensured, the long steel rail welding platform is constructed by utilizing an original subway operation line vehicle base, and a 25m steel rail is welded into a 100m long steel rail; and therefore, the replacement speed is greatly improved.

The invention discloses a building material stacking device for highway construction without affecting the occupied area of a highway and a using method of the building material stacking device. The building material stacking device comprises a mounting base table, a plurality of connecting rods and a plurality of connecting rods, wherein a plurality of mounting holes are formed in the upper end of the mounting base table; the stacking mechanism comprises a base plate, a first building material stacking group is arranged at the upper end of the base plate, a first locking pressing plate is arranged at the upper end of the first building material stacking group, a second building material stacking group is arranged at the upper end of the first locking pressing plate, and a second locking pressing plate is arranged at the upper end of the second building material stacking group; a third building material stacking set is arranged at the upper end of the second locking pressing plate, a third locking pressing plate is arranged at the upper end of the third building material stacking set, and a plurality of limiting stand columns are arranged at the upper end of the base plate. According to the building material stacking device, orderly stacking of building materials is achieved, the stacking occupied area is greatly reduced, the road occupied area is not affected, and the problems that due to the fact that the building materials are stacked too randomly, a large amount of ground space is occupied, and traveling and construction are affected are solved.

A vehicle-mounted liquid security inspection channel, the left and right sides of the door frame are respectively equipped with a first laser infrared range finder and a second laser infrared range finder, and the capacitance measurement system includes a first conductive plate and a second conductive plate The central controller is provided with a calculation unit, which obtains the dielectric constant ε of the measured liquid according to the calculation, and the central controller is also provided with a comparison unit for judging whether the measured liquid is safe. Considering that the dielectric constant ε of the flammable and explosive liquid and the safe liquid is greatly different, the safety of the liquid can be evaluated according to the measured dielectric constant ε. The invention occupies a small space and can be conveniently installed on the bus, and basically does not affect the operation of the bus and the travel of citizens.