46results about How to "Out quickly" patented technology

The invention relates to an unmanned rail electric vehicle and a sky-train system. Regarding the rail electric vehicle, a lane is laid by turnout-free light rails and an anti-impact vertical guide pavement closed and laminate lane, and the vehicle runs on the railway, thus being named as sky-train; the rail electric vehicle adopts unmanned driving, and a destination is found through addressing codes by a vehicular computer system and through road infrared remote control information; a rail electric vehicle monitor center, an automatic indoor parking lot, a high-rise high-capacity indoor parking lot, an indoor platform and a waiting room are arranged; a bus-type rail electric vehicle ticket can be booked by a method which sends a short message via an internet mobile phone, and a taxi-type rail electric vehicle or a household rail electric vehicle can be reserved for pickup on time at a right station; a steering mechanism does not have a steering wheel, the vehicle steering can be completed by a main steering wheel and an auxiliary steering wheel through guiding pavement; and the rail electric vehicle can be a bus type, a taxi type, a household type and an online goods delivery and receiving type.

The invention provides an industrialized production method of cordyceps mushroom. The process of the invention comprises superior strain and liquid strain production, strain inspection, strain preservation, cordyceps mushroom culture equipment, culture medium formulary, culture medium preparation, culture medium subpackage, inoculation method, hairy fungus grass outgrowth management, collection and dry process, etc. The invention has the advantages that the technological innovation points are more, the invention is advanced and practical, the mechanization degree is high, and the invention is suitable for the scale and industrialized production. The selected superior strain has stronge prolificacy, the veraison is quick, and grass outgrowth is easy, the weed resistance and the stress resistance are outstanding, the invention is served with advanced liquid strain production equipment, semisolid culturemedium and case and bowl incubator, and other advanced production technologies, and can ensure the cordyceps mushroom which is a new member of the worm grass family to realize the high yield rate, the high quality and the high efficiency during the scale planting.

The invention discloses a stroke adjustable oil cylinder which comprises a cylinder body, a cylinder head, a piston rod, a piston which is connected with the piston rod, and a rodless cavity oil opening. The stroke adjustable oil cylinder is characterized in that an installing seat is fixedly connected at the front end of the cylinder body, a worm and a worm gear which is meshed with the worm are arranged in the installing seat through bearings, a stroke positioning sleeve is arranged on the piston rod in sliding mode, the worm gear is connected with the stroke positioning sleeve through threads, the stroke positioning sleeve is arranged on the inner sides of the installing seat and the cylinder body, and a worm gear positioning sleeve is fixedly connected at the front end of the installing seat. The stroke adjustable oil cylinder has the advantages of being convenient to machine, and high in percent of pass. Meanwhile, a stroke is convenient and accurate to control, a stroke control part is not contacted with oil liquid, tightness is good, and leakage phenomenon is little.

The invention provides a rainproof device of a motorcycle and belongs to the technical field of motorcycles. The rainproof device of the motorcycle is used for solving the problem that an existing rainproof device of the motorcycle is not convenient to use. The rainproof device of the motorcycle comprises a hollow rod. A lifting rod is arranged in the hollow rod. A driving mechanism driving the lifting rod to ascend and descend is arranged between the lifting rod and the hollow rod. An umbrella-shaped air bag is stored at the top end of the hollow rod. The top end of the lifting rod penetrates through the center of the umbrella-shaped air bag, and air seal is formed between the umbrella-shaped air bag and the outer circumferential surface of the top end of the lifting rod. The lifting rod is hollow. A rotating shaft is arranged in the lifting rod. Air seal is formed between the two ends of the rotating shaft and the lifting rod. An air path used for inflation of the umbrella-shaped air bag is arranged on the rotating shaft. The upper end of the rotating shaft is provided with a wire drawing structure used for unfolding the umbrella-shaped air bag. The lower end of the rotating shaft is provided with a following mechanism, and the following mechanism enables the wire drawing structure to move along with ascending and descending of the lifting rod. The rainproof device of the motorcycle is convenient to use when needed and convenient to store when not needed.

The invention provides a similarity matching method and device for work tickets. The similarity matching method comprises the steps: receiving the text content of a to-be-issued work ticket, carryingout the word segmentation, and obtaining a plurality of word groups; removing stop phrases in the plurality of phrases to obtain effective phrases; calculating a weight value of each effective phrase,and obtaining a phrase vector of the work ticket to be issued according to the weight value of each effective phrase; and according to the phrase vector of the work ticket to be issued and the phrasevectors of the plurality of historical work tickets, calculating the similarity between the work ticket to be issued and the plurality of historical work tickets, and displaying the historical work tickets of which the similarity meets a preset condition to serve as a reference of the work ticket to be issued. Through the similarity matching method, historical work tickets similar to the to-be-issued work tickets are quickly matched and extracted from a large number of historical work tickets pre-stored in a database to serve as a reference for formulating the to-be-issued work tickets, so that new work tickets are quickly issued.

The invention belongs to the field of oil field power equipment, and particularly relates to a distribution box with efficient heat dissipation. The distribution box comprises a box body, a cooling fan and a brake resistor, wherein the box body is of a double-layer structure, the two layers of the box bodies are respectively called an inner layer box body and an outer layer box body, and the innerlayer box body is a cubic structure surrounded by a steel plate; a base and an upper cover are respectively and fixedly connected to the upper ends and the lower ends of mounting strips; four cover plates are respectively arranged between two adjacent mounting strips; and a gap for ventilation, namely an air flue, is reserved between the cover plates and the inner layer box body. According to thedistribution box, the internal box body where electronic equipment is located is of a fully-closed structure; during heat dissipation, the heat dissipation air flow does not enter the inner layer boxbody, namely the electronic equipment, so that the air flow in the external environment cannot be in contact with the electronic equipment along with the air circulation, and thus the adverse effectof dust on the electronic equipment is thoroughly avoided, and meanwhile, the explosion-proof performance of the distribution box is effectively improved.

The invention provides a supercharged hydraulic system for a jack of a TBM heading machine. The supercharged hydraulic system comprises a bracing valve set, a bracing pressure sensor, a supercharged high-pressure bracing valve set, a first jack oil cylinder and a second jack oil cylinder. According to the system, the fast stretching and fast contracting actions of the jack oil cylinder can be achieved, and on the other hand, supercharged high-pressure bracing of the jack can be achieved, and a bracing pump can achieve high-pressure bracing on the jack simply by providing small pressure; and the model selecting requirement for the bracing pump is reduced, and the service life of the bracing pump is prolonged. In addition, the invention provides a supercharging method adopting the supercharged system. The supercharging method comprises the steps that 1, the pressure values of the first jack oil cylinder and the second jack oil cylinder are set; 2, the bracing pressure sensor detects theactual pressure values of the first jack oil cylinder and the second jack oil cylinder; and 3, the supercharged system selects the bracing valve set or the supercharged high-pressure bracing valve setto work according to the actual pressure value of the bracing sensor. The method is easy to operate and easy to achieve.

The invention relates to a drilling machine with damping and for pushing an inner shaft of a motor to be fed in a pneumatic mode. The drilling machine comprises a motor assembly. The motor assembly comprises a shell, a stator, a rotor core and a motor spindle. The motor spindle comprises a spindle sleeve and the inner shaft. The inner shaft cannot rotate relative to the spindle sleeve but can move relative to the spindle sleeve in the axial direction. The front end of the inner shaft stretches out of an end opening of the spindle sleeve and is provided with a connecting component. The drilling machine further comprises a stroke-adjustable damping air cylinder. The stroke-adjustable damping air cylinder comprises an air cylinder body, an air cylinder piston and a damping mechanism. The inner shaft can rotate relative to the damping mechanism but cannot move relative to the damping mechanism in the axial direction. A stroke adjusting mechanism is connected to the rear end of the damping mechanism. By the adoption of the drilling machine, a tool can travel in place at a high speed in the idle stroke, decelerate automatically in the working condition stroke and reset at a high speed in the return stroke, and the working efficiency is improved; the length of the idle stroke and the length of the working condition stroke can be adjusted through the stroke adjusting mechanism, and the application range is wide; and in addition, the structure is simple, the occupied space is small, and the manufacturing cost is low.

The invention provides a hydraulic system for controlling a controllable-pitch propeller, and belongs to the technical field of controllable-pitch propellers. The hydraulic system comprises an oil tank, a hydraulic pump set, a control assembly and a variable-pitch assembly. The control assembly comprises a three-position three-way reversing valve and a first two-position four-way reversing valve,and the variable-pitch assembly comprises a servo oil cylinder, a propeller hub oil cylinder and a first three-position four-way reversing valve. According to the hydraulic system for controlling thecontrollable-pitch propeller, the variable pitch of the controllable-pitch propeller can be controlled through a single pump, so that the investment and maintenance costs are reduced.

The invention relates to the technical field of tableware, in particular to automatic public-private dual-purpose chopsticks. The chopsticks comprise male chopsticks and private chopsticks, through holes are formed in the private chopsticks in the axial direction; the male chopsticks are arranged in the through holes in an up-down sliding manner; blind holes are formed in the upper ends of the male chopsticks in the axial direction; nuts are fixed at the upper end of the blind holes; a driving mechanism and a screw rod connected with the driving mechanism are arranged in the through holes; thelead screw is connected with the nuts to form a lead screw nut mechanism; a positioning structure is arranged between the male chopsticks and the private chopsticks; the positioning structure prevents the male chopsticks from rotating relative to the private chopsticks; the driving mechanism drives the lead screw to rotate, and the nuts in the lead screw nut mechanism does linear motion along thelead screw, so that the nuts drive the male chopsticks to slide in the through holes of the private chopsticks, the male chopsticks can quickly extend out of the private chopsticks, the workload of adjusting the position relation between the male chopsticks and the private chopsticks is reduced, the male chopsticks can automatically enter and exit from the private chopsticks, and the labor amountof diners is reduced.

The invention discloses a hydraulic support pulley, which comprises a cylinder barrel, a parallel cap, a locking washer, a piston, a first sealing element, a second sealing element, a wear-resisting ring, a return spring, an anti-rotating shaft, a shaft sleeve, a positioning slide block, a support bracket, an oil nozzle, a pulley shaft, a bearing, a pulley and an oil inlet hole, the middle part ofthe outer circle of the cylinder barrel is provided with the anti-rotating shaft, the left end of the cylinder barrel is provided with the oil inlet hole, the right end of the cylinder barrel is provided with the support bracket, the support bracket is provided with the pulley shaft, the pulley shaft is provided with the pulley through the bearing, and the oil nozzle is arranged above the pulleyshaft. The left end of the cylinder barrel is also provided with the parallel cap through the locking washer, the piston is arranged in the cylinder barrel through the first sealing element and the second sealing element, the piston is internally provided with the return spring, and one end of the return spring is matched with the positioning slide block. The anti-rotating shaft is arranged in thepositioning slide block, the right end of the positioning slide block is fixedly connected with the support bracket. The support bracket is matched with the inner wall of the right end of the cylinder barrel through the shaft sleeve. The pulley has a multi-function effect of anti-rotation and positioning.

The invention discloses an energy-saving mower capable of protecting a blade and a using method thereof, and belongs to the field of garden electric tools. The energy-saving mower capable of protecting the blade comprises a mower body, the mower body comprises a main mounting frame, a variable-speed motor is mounted on the side wall of the upper end of the main mounting frame, and the output end of the variable-speed motor is connected with a driving shaft; and a friction sleeve is fixedly connected to the inner wall of the upper end of the main mounting frame, the driving shaft penetrates through the friction sleeve, blades are retracted into a mounting disc to be protected, the blades extend out through centrifugal force in the working process to cut grass, lubricating cotton smears blade protection oil on the two faces of each blade, the blades are prevented from being rusted, in addition, friction heat is generated by additionally arranging the friction sleeve, so that a memory metal supporting rod is subjected to phase change, polishing of the blades is achieved, the sharpness of the blades is kept, and compared with the prior art, self-protection and self-repairing of the blades can be achieved.

A curtain wall connecting structure comprises a closed cross beam, a cross beam insertion core installed inside the closed cross beam and a stand column connected with the closed cross beam and the cross beam insertion core through multiple installation structures, and further comprises an auxiliary connecting part connected with the cross beam insertion core through a fixing structure. The closed cross beam is adopted, so that intensity and stability of the whole curtain wall structure are guaranteed; the auxiliary connecting part is arranged and is pushed and pulled to drive the cross beam insertion core to be close to or away from the stand column so that the cross beam insertion core can be disconnected from or connected with the stand column; when the cross beam insertion core is connected with the stand column, installation and connection of the cross beam and the stand column are achieved. When the cross beam insertion core is disconnected from the stand column, the cross beam can be separated from the stand column, and the cross beam can be disassembled. Thus, the mounting and dismounting processes of the curtain wall connecting structure are quite easy and convenient. In addition, the invention further provides a mounting and dismounting method for the curtain wall cross beam.

The invention relates to the field of metallurgy, and particularly discloses a metal material cooling device capable of preventing rust. The metal material cooling device comprises a rack, a cooling mechanism and a fixed mechanism; the cooling mechanism comprises an outer barrel and an inner barrel, the outer barrel is located on the outer circumference of the inner barrel, and a motor is fixed tothe rack; the inner barrel is internally provided with a fixed piston, and the fixed piston divides an inner cavity of the inner barrel into a jack-up cavity and a cooling cavity; a clamping groove is formed in the inner wall of the inner barrel, and a groove is formed in the side wall of the fixed piston, and the groove is internally provided with a fixed block and a first spring; a dewatering hole and a feeding opening are formed in the side wall of the cooling cavity; the outer barrel is lower than the feeding opening, and the outer barrel is provided with a water inlet and a water outlet;the fixed mechanism comprises air cylinders which are located below the inner barrel and fixed to the inner barrel, and the air cylinders are obliquely arranged; a fixed rod is fixed to a piston of each air cylinder, the upper portion of the fixed rod penetrates through the bottom of the inner barrel, and the jack-up cavity communicates with the multiple air cylinders. The cooling device of the scheme can isolate a metal material from air while conducting cooling on the metal material and can avoid rusting of the metal material.

The invention discloses an ultraviolet, visible light and infrared three-in-one unmanned aerial vehicle electric power inspection pod, and relates to the technical field of power inspection equipment.The inspection pod comprises a storage box, an inner cavity is formed in the storage box, a pod body is connected to the interior of the inner cavity, the inner cavity is connected with the pod bodythrough a rotating shaft, a first electric telescopic rod is connected to the top end of the pod body, a stop rod is welded to the interior of the storage box, and one side of the stop rod is connected with the pod body. The pod body is protected by adding a glass cover, so the situation that the pod body cannot be normally used due to influences of scratches caused by branches or other things inthe inspection process on the pod body is avoided; and the pod body is protected through the glass cover, meanwhile, wind and sands are discharged into the pod body, and a groove is formed in the outer portion of the glass cover for movement, so the situation that in the moving process, the glass cover shakes greatly, and consequently observation of the pod body is affected is avoided.

The invention discloses a temperature sensing probe for rapid sensing and high temperature resistance. The temperature sensing probe comprises a shell, a control unit, a transmission unit, a fixing unit and a springback unit, the shell is tubular, a connecting sleeve is fixedly installed on the outer side of the top of the shell, the bottom of the shell is in threaded connection with a contact head, and a slotted hole is formed in the middle of the shell; the control unit comprises grips, first connecting rods, second connecting rods, first connecting pieces, second connecting pieces and pin rods, the grips are installed on the left side and the right side of the connecting sleeve in a bilateral symmetry mode, the first connecting rods are arranged in arc-shaped grooves of the grips respectively, and the grips are rotatably connected with the first connecting rods through the pin rods; and according to the temperature sensing probe for rapid sensing and high temperature resistance, thetemperature sensor body can be effectively protected, and meanwhile, the temperature sensing probe can rapidly stretch out and draw back and rapidly sense the temperature when sensing the temperature.

The invention discloses a split shield tunneling machine hydraulic pushing control valve set convenient to assemble and a control method thereof. The control valve set comprises a valve block base; atotal oil inlet way and a total oil discharge way are arranged on the valve block base; the total oil inlet way comprises a first oil inlet way and a second oil inlet way; a head connection control block is connected between the first oil inlet way and the second oil inlet way; and a control connection control block is arranged on the second oil inlet way. The head connection control block comprises a proportional pressure reducing valve connected between the first oil inlet way and the second oil inlet way; and the proportional pressure reducing valve can adjust the oil supply pressure to realize stepless pressure adjustment. The control connection control block comprises a control connection cartridge valve connected with the second oil inlet way and a control connection three-way electromagnetic reversing valve; the control connection three-way electromagnetic reversing valve can control connection or disconnection of the control connection cartridge valve; and the number of the control connection control block can be selected according to actual demands. The control valve set can reduce the length and save the mounting space, and is convenient to maintain faults and high in interchangeability.

The invention provides an automobile roof clothing hook which comprises a base and a hook body. The base is provided with a hook groove and first through holes. The head and the tail of the hook body are provided with a main hook body and a hinge base respectively. The hinge base is provided with a rotating shaft and a torsional spring. The rotating shaft is fixed to the hinge base. The two ends of the hinge base are arranged in the first through holes in a rotating mode. The torsional spring is arranged on the rotating shaft in a sleeving mode and supported by the hook body and the base. The outer wall of the base is provided with a first mounting groove and a damping device. The damping device is provided with a gear. One end of the rotating shaft stretches out of the first through holes and is provided with a transmission gear meshed with the gear and a clamping pin located on the outer side of the transmission gear. The outer wall of the base is further provided with a mounting base. The mounting base is provided with a second mounting groove and a switch. The switch is provided with a switch groove. The clamping pin can be clamped in the switch groove after rotating around the rotating shaft. The automobile roof clothing hook has the advantages of being simple and compact in structure, small in occupied automobile compartment space, convenient and safe to use and good in reliability.

The invention relates to the technical field of wind power generation equipment, in particular to a spoiler structure for wind power generation. The spoiler structure for wind power generation aims tosolve the technical problem that sustained gale wind easily causes burn down of a wind driven generator. The spoiler structure for wind power generation comprises a fan blade body, wherein the top ofan inner cavity of the fan blade body is welded with a rhombic column, the top of the rhombic column and the top of the fan blade body are located on the same horizontal plane, a rhombic groove is formed in the rhombic column, a rhombic sliding block is movably sleeved with the rhombic groove of the rhombic column, screw holes are formed in the top of the rhombic sliding block, and a disc is arranged at the top of the rhombic sliding block. When the wind is strong, the spoiler structure for wind power generation can counteract a part of the force generated by the wind to the fan blade body, the friction force that a braking system needs to exert on a rotating shaft of a wind driven generator is reduced, and therefore the generation of heat is reduced, and the temperature can be kept fromreaching the point of spontaneous ignition.

The invention discloses a rapid automatic charging mechanism module for a mobile robot, and belongs to the technical field of mobile robots. The automatic charging mechanism module comprises a mounting support plate, a telescopic support plate is arranged at one end of the upper side of the mounting support plate, and a linear sliding block is arranged at the lower end of the telescopic support plate; and linear sliding rails are arranged at the positions, corresponding to the linear sliding blocks, of the upper end of the mounting support plate, a power source isolation plate is arranged on the side, away from the middle position of the mounting support plate, of the telescopic support plate, and a positive electrode contact block is arranged at the upper end of the other side of the power source isolation plate. An electric push rod is arranged, the power transmission mode of the electric push rod, the linear sliding block and the linear sliding rail is adopted, the design structure is reasonable and simple, production assembly and after-sales repair and maintenance are convenient, the ingenious power transmission structure design mode is adopted, rapid stretching or retracting of the rapid automatic charging mechanism can be achieved, and the automatic charging efficiency is improved.

The invention discloses an automatic extending snow tire antiskid chain which comprises a wheel, an antiskid chain opening mechanism is arranged on the lower side of the wheel, the antiskid chain opening mechanism comprises a spline groove, the spline groove is formed in the surface of a spline shaft, the spline shaft is fixedly connected to a wheel shaft, and the upper end face of the wheel shaftis fixedly connected with the wheel. A spline sliding block is arranged in the spline groove, the spline sliding block is arranged in the spline shaft in a sliding mode, eight first rotating shafts are evenly and fixedly connected to the upper end face of the spline sliding block, each first rotating shaft is rotationally connected with a first connecting rod, and the upper end of each first connecting rod is fixedly connected with a third rotating shaft. When the automatic extending snow tire antiskid chain needs to be used in snowy days, the antiskid chain can quickly and automatically extend out and cover the surface of a tire and can be quickly recycled when not used, and compared with an existing antiskid chain, a large amount of installation time is saved, and meanwhile the installation difficulty is greatly reduced.

The invention discloses a secondary pressurization electro-hydraulic control system for a rotary drilling rig and and a control method. The control system comprises a first pilot control valve, a second pilot control valve, a selection valve, a main valve auxiliary winding unit, an auxiliary valve pressurization unit, an auxiliary winding motor, a pressurization oil cylinder, an oil tank and a pilot pump. According to the secondary pressurization electro-hydraulic control system for the rotary drilling rig, the problems that under the condition that the torque of a power head is small, the power head and pressurization are combined to conduct rapid drilling, and under the condition that the torque of a rock stratum and the like is large, intermittent pressurization drilling is needed can be solved; when the torque is increased sharply due to a hard layer, the pressurization oil cylinder can be retracted instantly in time, the torque is reduced, a power head is prevented from being stuck, the oil cylinder can stretch out or retract rapidly at a full speed in the idle long stroke stage, and the working efficiency is improved; and other actions are coordinated and reliable, the problem that the pressurization oil cylinder, a main winch power head, upper vehicle rotation and the like simultaneously move to do composite actions is solved, and the actual requirements are met.

The invention discloses a carton clamping device controlled by a servo system.The carton clamping device structurally comprises a supporting panel, clamping plates, a base and a guide rail, wherein the supporting panel is fixedly embedded in the upper end position of the base; the guide rail is connected to the front end of the supporting panel; and the clamping plates are movably engaged with the front end of the guide rail. Through the extrusion of the inner walls of plate blocks on force-receiving frames, the force-receiving frames can slide rightwards along connecting frames under the cooperation of middle fixing rods, and then can be rapidly pushed to extend outwards through push-assisting pieces, so that outer push blocks can rapidly extend outwards so as to push a carton away from the outer surfaces of contact reduction surfaces. Therefore, the situation that the carton with glue on the outer surface is prone to be adhered to the surfaces of force-receiving plates and not easy to be detached is effectively avoided. Through the impact vibration on plate bodies generated by outer contact plates when the outer contact plates retract to the maximum extent, the outer push blocks can extend outwards along connecting fixing rods, so that the outer push blocks can extend outwards along the connecting fixing rods to push away the carton.

The invention relates to the technical field of cone crushing equipment, in particular to a hydraulic control system of a cone crushing main machine and a control method thereof. The hydraulic controlsystem is characterized by comprising a plurality of adjusting hydraulic cylinders, a plurality of dumpy jack hydraulic cylinders, a discharge opening adjusting circuit, an upper rack retaining circuit, a power component and a hydraulic oil tank. The adjusting hydraulic cylinders are arranged in parallel, the power component is used for converting hydraulic oil in the hydraulic oil tank into pressure oil and supplying the pressure oil to the discharge opening adjusting circuit and the upper rack retaining circuit, the discharge opening adjusting circuit is used for controlling action of the adjusting hydraulic cylinders, the adjusting hydraulic cylinders are used for driving an upper rack to move up and down to adjust the size of a discharge opening, the upper rack retaining circuit is used for controlling action of the dumpy jack hydraulic cylinders, and the dumpy jack hydraulic cylinders are used for jacking up a wedge-shaped ring and keeping the upper rack and a main machine rack expanded. The hydraulic control system is novel in integral structure, stable and reliable to operate, low in failure rate and convenient and rapid to operate and guarantees normal operation of the cone crushing main machine effectively.

The invention discloses an international business credit card batch generation method, a terminal device and a storage medium. According to the invention, the batch generation function of international business credit cards is realized. Meanwhile, the problem that the same information must be input for multiple times when a single client establishes multiple credit cards at the same time through one shot can be solved. Therefore, the information inputting workload of an operation is greatly simplified and the operator only needs to input the basic information of an applicant for one time. After that, multiple messages, to be processed for transactions, are automatically pushed according to the basic information of the applicant and the information of each card establishing operation, and then the necessary message information is additionally input during the subsequent process. As a result, credit cards can be quickly established.

The invention provides a tailgate self-priming lock detecting system. The tailgate self-priming lock detecting system comprises a tailgate self-priming lock, a slow-release detecting mechanism, an industrial control computer, a door-closing detecting mechanism, a screw hole position detecting mechanism and a short circuit detecting module, the slow-release detecting mechanism, the door-closing detecting mechanism, the screw hole position detecting mechanism and the short circuit detecting module are in signal connection with the industrial control computer, a door-closing ratchet claw of the tailgate self-priming lock is fixedly connected with the slow-release detecting mechanism, and the door-closing detecting mechanism is fixedly connected with a lock catch of the tailgate self-priming lock. According to the tailgate self-priming lock detecting system, through the combined detection of the slow-release detecting mechanism, the door-closing detecting mechanism, the screw hole positiondetecting mechanism and the short circuit detecting module, the performance of the key components of the tailgate self-priming lock can be comprehensively evaluated, so that the quality of the tailgate self-priming lock is more reliable, and the advantages of being high in integration degree and small in occupation area are achieved.

The invention discloses a pit-type vehicle maintenance base station which comprises a slide rail system and base station systems. The base station systems are symmetrically distributed on two sides of the slide rail system, the slide rail system comprises a support plate, an I-beam is mounted at the upper end of the support plate, each of the left end and the right end of the support plate is provided with a limit seat, a step parallel to the lengthwise direction of the I-beam is arranged on the inner side of each limit seat, and the base station systems are bilaterally and symmetrically mounted inside the steps. The pit-type vehicle maintenance base station has the advantages of reasonable structural design, low manufacturing cost, high automation level and the like; maintenance is guaranteed by supporting the bottom of a railcar, the base station systems can be withdrawn when maintenance is not performed, space is saved, and normal driving of the railcar is guaranteed; when maintenance is needed, the base station systems are extended and unfolded rapidly, a traditional mode by laying a hydraulic cylinder manually is replaced, and time spent on maintenance is greatly shortened.