593results about How to "Improve passability" patented technology

The invention belongs to the technical field of magnetic separation equipment, and particularly discloses an air-blowing anti-blocking magnetic conduction module and a magnetic separator. The air-blowing anti-blocking magnetic conduction module comprises a center shaft, a plurality of magnetic conduction meshes are installed on the center shaft, an airflow channel is formed in the center shaft, circulation gaps are formed between the magnetic conduction meshes, and air outlet holes capable of distributing airflow to the circulation gaps are formed in the center shaft. The magnetic separator comprises a rack, an annular electromagnetic device and a material pipeline are arranged on the rack, and an air-blowing anti-blocking magnetic conduction module is installed in the material pipeline. According to the air-blowing anti-blocking magnetic separator, the magnetic conduction module in the magnetic separator is improved, in the magnetic separation process, air flow can be introduced into circulation gaps formed between the magnetic conduction meshes through the air flow channels, the air outlet holes and the like in the air-blowing anti-blocking magnetic conduction module, the air flow penetrates through meshes of the magnetic conduction meshes along with flowing of materials, and finally the air flow and the materials are discharged together; therefore, the passing ability of the materials is improved, the working efficiency of the magnetic separator is improved, meanwhile, tailings can be reduced, and waste of useful materials is reduced.

The invention provides a hilly and mountainous area tracked vehicle intelligent chassis system and algorithm based on environmental perception and road surface recognition, and belongs to the technical field of agricultural mechanical equipment. The system comprises a mechanical structure part and a control system part. According to the algorithm, multi-modal sensing and fusion decision making of the mobile terminal are achieved, the FPN + ResNet50 algorithm, the IPM image inverse perspective algorithm, the 3D sparse convolutional graph neural network, the TSDF truncation signature distance algorithm, the MDU algorithm, the gating modal sensing convolutional network and the Pi-Sigma fuzzy neural network learning algorithm are innovatively combined, the recognition precision and the decision making reliability are guaranteed, and meanwhile, the fusion decision making efficiency of the mobile terminal is improved. And the calculation amount and the calculation cost are reduced, and the recognition efficiency is improved, so that more accurate, timely and reliable recognition perception and feedback control are realized. The algorithm comprises the steps of image acquisition, image feature extraction, feature fusion, feature comparison and the like, and the method is not only suitable for field operation of tracked vehicles in complex hilly and mountainous areas, but also suitable for transfer driving of the tracked vehicles in a working environment.

The invention belongs to the related technical field of multipurpose welding equipment, and provides a multifunctional automatic welding robot which comprises an annular assembly, a welding assembly and a flow guide assembly. The welding robot is suitable for welding maintenance in a pipeline or welding maintenance in a narrow space, the welding robot can have better trafficability by arranging the foldable welding assembly moving in the annular direction, the welding robot is suitable for various pipelines and narrow environments, and meanwhile the welding maintenance efficiency is improved. The flow guide assembly can control airflow flowing circulation in the narrow environment based on requirements during welding, the situation that smoke generated during welding is gathered in the narrow environment, and consequently welding judgment of the welding robot is affected can be effectively avoided, and it is guaranteed that the recognition process of automatic welding is accurately and reliably executed.

The invention provides a vehicle control method, electronic equipment and a vehicle, and is applied to the technical field of vehicle intelligent control, and the method comprises the steps: obtaining the positions and the driving directions of all vehicles in a vehicle team, and determining a leading vehicle of the vehicle team and a following vehicle of the leading vehicle based on the positions and the driving directions; in response to determining that the vehicle is a pilot vehicle, determining a pilot road section according to driving information of the pilot vehicle, and sending the driving information and the pilot road section to a following vehicle; in response to the fact that the vehicle is determined to be the following vehicle, target driving parameters are determined according to driving information sent by the navigation vehicle, the following vehicle is controlled to pass through the navigation road section based on the target driving parameters, and the target driving parameters are the lowest required driving parameters allowing the following vehicle to pass through the navigation road section. According to the invention, the overall driving efficiency of the motorcade is improved, and the vehicle driving risk and failure rate are reduced.

The invention belongs to the technical field of building robots, and particularly discloses a self-propelled reinforcing steel bar binding robot moving chassis and method, the moving chassis comprises a cross-layer inverted-T-shaped rack assembly, an environment sensing and automatic control assembly is arranged at the top end of the cross-layer inverted-T-shaped rack assembly, and a step-by-step lifting transverse propelling assembly is arranged at the bottom end of the cross-layer inverted-T-shaped rack assembly; self-adaptive high-position longitudinal moving assemblies connected with the cross-layer inverted-T-shaped rack assembly are arranged on the two sides of the environment sensing and automatic control assembly at intervals. Two pairs of driven double-hub wheel assemblies connected with the cross-layer inverted-T-shaped rack assembly are arranged on the two sides of the step-by-step lifting transverse propelling assembly in a clearance mode. The mobile chassis of the self-propelled reinforcing steel bar binding robot can automatically and stably walk on complex reinforcing steel bar mesh surfaces with different sizes and specifications, so that the construction efficiency of reinforcing steel bar binding operation is greatly improved, and the construction period is remarkably shortened.

The invention relates to an emergency response and repair method for an underwater pipeline route. The emergency response and repair method comprises the following steps that S1, firstly, a detection device is placed into a pipeline in the flowing direction of a fluid medium; s2, starting a measuring instrument of the head mechanism, carrying out data fusion, and transmitting the data to a control center of the head mechanism in real time; s3, opening a fan plate, and then starting propellers on the head mechanism and the propelling mechanism: the two mechanisms work together to realize the swimming and steering movement of the detection device in the pipeline, and detecting the condition in the pipeline by using a sensor; s4, when the head mechanism detects that the flow velocity in the pipeline changes suddenly, taking back the fan plate, closing the spiral propeller and the axial spiral propeller, and starting the descending spiral propeller to enable the detection device to be attached to the inner wall of the pipeline; s5, the crawling mechanism drives the detection device to creep; s6, when the flow velocity trend is changed from rising to falling, the device is fixed to the inner wall of the pipeline; s7, the repairing mechanism works; and S8, starting the monitoring ring. The pipeline can be detected and repaired autonomously, efficiently and automatically.

The invention relates to a traction type pipeline emergency repair mobile platform which comprises a head mechanism, a propelling mechanism, a crawling mechanism and a repairing mechanism which are sequentially connected through universal couplings and connecting pipes. The head mechanism is in a bionic snake head shape, and a main body part is a head cabin with a detection function; the propelling mechanism integrally comprises a propelling cabin and a spiral propeller; the crawling mechanism is in a bionic caterpillar shape and comprises a crawling front cabin, a connecting hose and a crawling rear cabin, the crawling front cabin, the connecting hose and the crawling rear cabin wrap an internally communicated space structure, and a crawling frame is arranged in the space structure; the front crawling cabin and the rear crawling cabin are provided with self-control adsorbers; one end of a breakable cable box is connected with a connecting disc, the other end of the breakable cable box is connected with the front end of a front fitting block, an electromagnet is arranged at the rear end of the front fitting block and connected to a telescopic cable box, the other end of the telescopic cable box is connected with a rear fitting block, an electromagnet is arranged at the front end of the rear fitting block, an umbrella stand structure is arranged in the rear fitting block, and the rear end of the rear fitting block is connected with a monitoring ring. The pipeline can be automatically detected and repaired.

The invention relates to the technical field of railway intelligent transportation, in particular to a railway station trafficability calculation and bottleneck identification method and system, and the method comprises the steps: obtaining various travelling equipment data of a target railway station in real time; constructing a mathematical model for station trafficability calculation based on a space-time network theory, converting the selection of a train on a route and an arrival-departure line into the selection of a segmental arc and a path of the train in a space-time network, and calculating the station trafficability; the utilization rate of each device in the arrival and departure site and the throat area is calculated, and the station trafficability bottleneck is identified, that is, the main device limiting the station trafficability is searched; a mathematical model for optimizing a train route distribution scheme is constructed with the purpose that the utilization rates of equipment such as arrival and departure lines and turnouts are balanced as much as possible, so that a train operation route scheme under the equipment balanced application condition is determined, and the station capacity bottleneck is relieved. According to the method, intelligent measurement and calculation of the overall trafficability of the arrival and departure site, the throat area and the station can be realized, and meanwhile, a train route scheme is optimized.

The utility model relates to the field of machinery, and discloses a rotary tool for downhole operation, which comprises an upper joint, a protective outer cylinder is fixedly connected to the bottom of the upper joint, a spiral groove inner cylinder is sleeved in the protective outer cylinder, a plurality of spiral grooves are arranged on the outer wall of the spiral groove inner cylinder, a return spring is sleeved outside the spiral groove inner cylinder, and a plurality of spiral grooves are arranged on the spiral groove inner cylinder. The bottom end of the return spring is fixedly connected with a sliding connector, the bottom of the sliding connector is fixedly connected with a rotating inner cylinder, and the bottom of the rotating inner cylinder is fixedly connected with a lower connector. In the utility model, the rotation function is realized under the condition of no hydraulic power, the damage of external liquid to a coal reservoir is avoided, the rotation function can be realized only by moving up and down, the operation is simple and convenient, the risk that a pipe string is blocked in horizontal well sand fishing is reduced, the device is directly connected with a pen point, the distance is short, and the formed rotation torque acts on the sand surface, so that the operation is simple and convenient. And the passing capacity and efficiency of the bailing pipe string are improved.

The invention provides a slope cropland fertilizing device and method, belongs to the technical field of fertilizing, and aims to solve the problem that a fertilizing device special for slope cropland is lacked in the prior art. Comprising a vehicle body, a chemical fertilizer box, a fertilizer distributor, a mixer, a fertilization angle adjusting assembly and a fertilization gun, a power device is arranged on the vehicle body, the vehicle body is driven by the power device to advance, and a handrail is fixedly arranged on the back of the vehicle body; the chemical fertilizer boxes are symmetrically and fixedly arranged on the two sides of the vehicle body, through holes are formed in the bottoms of the chemical fertilizer boxes, the through holes in the bottoms of the chemical fertilizer boxes are communicated with the fertilizer distributors, and the fertilizer distributors are used for quantitatively measuring chemical fertilizers; the bottom of the fertilizer distributor is communicated with the mixer; the fertilization angle adjusting assembly is arranged at the bottom of the vehicle body; the fertilization angle adjusting assembly is used for adjusting the fertilization angle; the fertilizing gun is mounted on the fertilizing angle adjusting assembly.

The invention relates to a deformable wheel-track combined type advancing mechanism which comprises a driving main shaft, a hub and a track arranged on the outer side of the hub, the driving main shaft is provided with a power switching driving part, and the power switching driving part drives the track to rotate through a track transmission assembly; the power switching driving piece can move leftwards along the driving main shaft, so that the power switching driving piece is separated from the crawler belt transmission assembly; crawler belt supporting pieces are arranged on the peripheral side of the hub and are driven by a deformation mechanism to stretch and deform in the radial direction of the hub, so that the crawler belt is supported to be in a circular state or a non-circular state; the hub is provided with a driven rotary meshing part, a driving rotary meshing part is arranged at the right end of the power switching driving part, and the power switching driving part drives the hub to rotate when moving leftwards till the driving rotary meshing part is meshed with the driven rotary meshing part. Free switching between a wheel type structure and a crawler type structure is achieved, the flexibility of the wheel type structure is included, the high trafficability of the crawler type structure is achieved, and the performance is stable when the robot deals with various road conditions.

The invention discloses a fan blade lightning arrester detection self-growth soft robot. A storage bin, a double-layer main body, a long steering mechanism, an auxiliary motor and a lead control motor are fixed in a base; the growth steering mechanism is composed of three gear pairs and three main motors, and the three gear pairs have a certain rotating speed difference by controlling the rotating speed of the three main motors, so that the growth direction of the double-layer main body is controlled; the storage bin is a double-layer cylindrical cavity and is used for storing a to-be-grown part of the double-layer main body, the non-grown double-layer main body in the storage bin is conveyed to the front end through the growth steering mechanism so as to grow, and a gap between the double-layer cylindrical cavity is used for allowing a grounding instrument lead to penetrate through for growth. According to the invention, the rapid, high-efficiency and safe detection of the fan blade is realized, the casualties of workers or large measurement errors caused by the precision of the detection equipment and manual operation errors are avoided, and the application possibility of the self-growing soft robot on the fan detection operation and maintenance equipment is provided at the same time.

The invention relates to a supporting leg mechanism in an ultra-low bridge girder erection machine and the bridge girder erection machine, and belongs to the technical field of bridge construction equipment.The supporting leg mechanism comprises a frame assembly which comprises an upper cross beam, a lower cross beam and a telescopic supporting column connecting the upper cross beam and the lower cross beam; the hanging assembly comprises a hanging beam frame which is transversely and slidably connected with the upper cross beam, and the hanging beam frame and the upper cross beam at least partially coincide in the height direction. Due to the fact that the hanging beam frame and the upper cross beam are transversely connected in a sliding mode and at least partially coincide in the height direction, the hanging beam frame can serve as a transverse moving beam, the main beam can be arranged closer to the upper cross beam, and the vertical height of the middle supporting leg mechanism is greatly reduced; the distance between the upper cross beam and the lower cross beam can be closer to the distance between the top face and the bottom face of the main beam, so that the trafficability of the box girder under the height limit is higher, the box girder can adapt to more narrow working conditions and can work under the lower limit condition, and a new solution is provided for box girder erection under the ultra-low limit.

The invention discloses an electrically-driven triangular track active suspension, and belongs to the technical field of agricultural machinery. Comprising a rack, a servo electric cylinder, a push rod suspension and an electric drive triangular track assembly. A cylinder body of the servo electric cylinder is installed on the machine frame, a cylinder rod of the servo electric cylinder and the electrically-driven triangular crawler belt assembly are both hinged to a push rod suspension installed on the machine frame, and the servo electric cylinder drives the electrically-driven triangular crawler belt assembly to vertically ascend and descend by pushing the push rod suspension. The push rod suspension comprises a double-wishbone structure, the frame side of the double-wishbone structure is hinged to the rack, and the track side of the double-wishbone structure is hinged to the electric drive triangular track assembly; the double-cross-arm structure pushes the electrically-driven triangular track assembly to move up and down in the vertical direction, so that the relative positions of the tracks and the frame are adjusted. The electrically-driven triangular track active suspension provided by the invention can effectively improve the trafficability and stability of a track chassis in hilly and mountainous areas, and has the characteristics of high bearing capacity, high active control precision and the like.

The invention provides a tree form identification-based forest and fruit tree body profiling flapping method, which can effectively flap each part of a tree crown in a shape imitating the shape of the tree crown, so that the net picking rate is improved, and high-efficiency automatic harvesting is realized. The method comprises the steps that an unmanned aerial vehicle flies according to a preset route, aerial photography is conducted on an orchard, the crown top view shape and size of each tree are determined, and the unmanned aerial vehicle sends the crown top view shape and size of the corresponding tree number of each tree to a console; when the chassis vehicle body moves, the crankshaft rotates, and the controller controls the stroke of the piston rod of each cylinder according to the shape and diameter of the flapped fruit tree crown, so that the top end of each flapping strip always moves from the edge part of the crown to the symmetry axis of the crown, and the top of the crown and the pole part of the symmetry axis are prevented from being missed in flapping. The tree crown symmetry axis refers to a symmetry axis which is parallel to the advancing direction of the chassis vehicle body and basically equally divides the top view of the tree crown.

The utility model provides a negative pressure suction valve and an endoscope, relates to the technical field of endoscopes, and solves the problem that in the prior art, the passing ability of fluid or particulate matter in a suction valve is poor. The endoscope comprises a negative pressure suction valve, wherein the negative pressure suction valve comprises a valve body and a valve core; one end of the valve body in the axial direction is connected with a first pipe connector used for being connected with a suction pipe, and the first pipe connector is arranged at the eccentric position of the valve body. The valve element is coaxially installed on the valve body and can move along the axis of the valve body to open and close the negative pressure suction valve. Under the condition that the first pipe connector arranged at the shaft end of the negative pressure suction valve and the valve element are in an offset relation, the blocking effect of the valve element on fluid or particulate matter sucked by the first pipe connector is smaller, so that the fluid or the particulate matter can bypass one side of the valve element more easily, passing of the particulate matter is particularly facilitated, and the service life of the valve element is prolonged. And therefore, the passing ability of fluid or particulate matters can be improved.

The invention relates to the technical field of gearboxes, in particular to an electric gearbox assembly which comprises a box body and a motor, a power transmission shaft is arranged at the power output end of the motor, an intermediate shaft is arranged in the middle of the box body, a synchronous gear ring is slidably connected to the middle of the intermediate shaft, a power output shaft is arranged in the middle of the lower end of the box body, and a shifting gear shifting mechanism is arranged in the middle of the box body. The shifting gear shifting mechanism is composed of a mounting column, a second spring, a second steel ball, a four-wheel-drive shifting fork, a locking column and a sleeve, the box body is formed by splicing a left box body and a right box body, transmission flanges are fixedly connected to the two ends of the power output shaft, and a motor connecting cover is fixedly connected to the connecting position of the left side of the box body and the power transmission shaft; a gear shifting rotating arm is rotationally connected to the outer side of the box body, the two ends of the gear shifting rotating arm penetrate through the box body, and a rocker arm plate is fixedly connected to the upper end of the gear shifting rotating arm.

The invention discloses a double-electromagnetic-valve active hydraulic lifting automobile shock absorber, and belongs to the technical field of shock absorbers. A double-electromagnetic-valve active hydraulic lifting automobile shock absorber comprises a piston rod recovery valve assembly, the outer side of the piston rod recovery valve assembly is connected with a working cylinder, the outer side of the working cylinder is sleeved with an oil storage cylinder, one end of the oil storage cylinder is connected with a valve body, and the end, away from the valve body, of the oil storage cylinder is connected with an oil seal guide seat. An energy accumulator is connected to the outer side of the oil storage cylinder, the shock absorber is of a double-solenoid-valve structure, recovery is controlled through a recovery solenoid valve, compression is controlled through a compression solenoid valve, different currents can be introduced into the two solenoid valves respectively, recovery and compression strokes are controlled independently, different damping forces are generated, and therefore good riding comfort can be provided; meanwhile, the active lifting function of the shock absorber is achieved, the height of the chassis can be changed, and better stability and trafficability are provided.

The invention relates to the technical field of medical instruments, and particularly discloses an intravascular stent. The stent is tubular and comprises a plurality of supporting rings and a plurality of connecting rods, the supporting rings are arranged at intervals in the axial direction of the intravascular stent, and every two adjacent supporting rings are connected through the corresponding connecting rod; the intravascular stent comprises a middle area and two end areas which are arranged in the axial direction, the two end areas are located at the two axial ends of the intravascular stent respectively, the middle area is located between the two end areas, the portion, located in the middle area, of the supporting ring comprises a plurality of first supporting rods connected in the circumferential direction, and the portion, located in the end areas, of the supporting ring comprises a plurality of second supporting rods connected in the circumferential direction. The width of the first supporting rod is larger than that of the second supporting rod. According to the stent, the widths of the supporting rings of all parts are limited, so that the good flexibility of the two ends of the stent is guaranteed before the stent is expanded, the supporting force of the middle is high, and the passing ability of the stent is improved; the stent is axially retracted after being expanded and is uniform in shape, so that the bone effect of a dog is reduced.

The utility model provides a cutting balloon catheter. The cutting balloon catheter comprises a catheter body and a cutting balloon arranged at the far end of the catheter body in a sleeving mode. The cutting balloon comprises a balloon body and a strip-shaped blade arranged on the outer surface of the balloon body. The balloon body has a folded state, in the folded state, the balloon body comprises a plurality of lobes, and part of the lobes abut against the side wall of the strip-shaped blade; the maximum height of the part, abutting against the side wall of the blade, of the leaf is larger than or equal to the radial height of the blade. The leaflets formed by the cutting balloon in the compressed state are wound and folded, so that at least part of the leaflets abut against the side wall of the blade, the height of the leaflets abutting against the side wall of the blade is not lower than the highest point of the blade, the risk that the blade is obviously higher than the leaflets and is exposed outside, and consequently blood vessels are accidentally injured is reduced, and the cutting efficiency is improved. The overall uniformity of the balloon is high, and the excellent passing performance of the product in the blood vessel is guaranteed.

The invention discloses a turning trajectory optimization method for a trailer, which comprises the following steps: firstly, judging whether a vehicle needs trajectory optimization, secondly, obtaining an initial input boundary of trajectory optimization based on the current position information of the vehicle, and obtaining an input boundary after an obstacle is processed by combining the longitudinal distance of the center of the obstacle in a frenet coordinate system; based on the input boundary, the turning radius of the trailer during turning and the leftmost end face and the rightmost end face of the trailer are combined, the input boundary considering trailer movement is obtained, and the safety distance of the inner side of the trailer and the safety distance of the outer side of the trailer are obtained through calculation; searching the safe distance between the inner side and the outer side calculated in the previous step on the basis of the curvature, and adding the safe distance into an input boundary after the obstacle is processed; and according to the finally obtained boundary, inputting the boundary into a solver to obtain a final collision-free track considering the trailer motion during turning. The stability, safety and trafficability of the automatic driving system can be greatly improved.

The utility model discloses an electronic atomization device, an atomizer and an atomization core of the atomizer. The atomizing core comprises a fixed tube, a liquid inlet tube and a liquid outlet tube, wherein a liquid inlet groove is formed in the side wall of the fixed tube; the liquid guide body is arranged on the fixed pipe and covers the liquid inlet groove, the porosity of the liquid guide body is 75%-98%, a vent hole is formed in the liquid guide body, the vent hole and the fixed pipe are coaxial, and the hole diameter of the vent hole is 1.5 mm to 4.5 mm; and the heating element is arranged on the inner wall surface of the vent hole and is used for atomizing the aerosol matrix conducted by the liquid guide body and generating aerosol in the vent hole. Through the mode, the atomizing core provided by the utility model can greatly improve the taste reduction degree of aerosol, so that the original taste of an aerosol matrix can be expressed more sufficiently.

The invention discloses a multifunctional barren slope repairing machine, and belongs to the field of seeding, the multifunctional barren slope repairing machine comprises an irrigation assembly, a seeding assembly and a drilling assembly, the irrigation assembly comprises two first side plates and second side plates, and crawler belts are mounted on the opposite surfaces of the two second side plates; according to the barren slope repairing machine, multiple functions such as earth cutting, sowing, fertilization, irrigation and backfilling can be integrated in one device through integrated design, the operation efficiency and the automation level are remarkably improved, and it is ensured that seeds are sown under the proper condition through the unique hole digging mechanism and the screening mechanism; meanwhile, a water spraying mechanism can provide water for the seeds in time to promote growth, through the design of a movement mechanism and a soil covering mechanism of the shell, the barren slope repairing machine has good trafficability under different terrains and can automatically conduct soil backfilling operation, and the operation convenience and efficiency are further improved; on the whole, the barren slope repairing machine effectively reduces manual operation and improves the accuracy and efficiency of crop sowing.

The invention belongs to the technical field of medical instruments, and discloses a digestive tract endoscope. The digestive tract endoscope comprises an endoscope body and a traction assembly, the endoscope body can move in the digestive tract, a first channel is formed in the endoscope body, and the two ends of the first channel penetrate through the outer wall of the endoscope body and the front end of the endoscope body respectively; a camera is arranged at the front end of the mirror body; the traction assembly can movably penetrate through the first channel and comprises a traction piece and a first balloon, the traction piece can move in the alimentary canal, the traction piece is sleeved with the first balloon, the first balloon can contract or expand, and when the first balloon expands, the first balloon can abut against the inner wall of the alimentary canal; the front end of the endoscope body is sleeved with a second balloon, the second balloon can contract or expand, and when the second balloon expands, the second balloon can abut against the inner wall of the alimentary canal. According to the alimentary canal endoscope, a sleeve arranged outside the alimentary canal endoscope in a sleeving mode is removed, the passing ability is improved, the endoscope entering difficulty is reduced, operation is convenient, the alimentary canal endoscope can be suitable for examination of multiple parts such as the upper alimentary canal and the lower alimentary canal, and cost can be reduced.

The utility model discloses an all-terrain attitude-adjusting profiling mobile chassis, and relates to the technical field of harvesting agricultural machinery. The chassis comprises a chassis body, a front driving axle mechanism and a rear driving axle mechanism, walking wheels are four triangular crawler wheels, the contact area is large, the grounding specific pressure is small, the anti-sinking capacity is high, the left front triangular crawler wheel and the left rear triangular crawler wheel are synchronous, and the right front triangular crawler wheel and the right rear triangular crawler wheel are synchronous. Differential turning or turning with opposite directions of crawler wheels on two sides and in-situ turning can be realized during turning, and the turning radius is small, so that the equipment can steer in a narrow space, and the turning is flexible.

The invention discloses an insertion part and an endoscope, and relates to the field of medical instruments.The insertion part comprises an insertion body, a first supporting part and a second supporting part, the far end of the insertion body is provided with a front end assembly, a first channel is formed in the insertion body, the first supporting part is arranged on the side face of the insertion body, and the second supporting part is arranged on the side face of the insertion body; the second supporting part and the first supporting part are arranged in a spaced mode, and a second channel is formed between the first supporting part and the second supporting part. The insertion body may be inserted within the sheath. The first supporting part and the second supporting part can abut against the sheathing canal, so that the insertion body can be restrained to one side of the sheathing canal, the relative position between the insertion part and the sheathing canal is determined, and a larger second channel is formed. And a second channel is formed between the first supporting part and the second supporting part. The first supporting part and the second supporting part can form a more independent second channel, the passing ability of the second channel is improved, and more abundant functions and effects are achieved.

The invention provides a fabricated building component carrying device, and relates to the technical field of nuclear power engineering construction. The fabricated building component carrying device comprises a driving mechanism which is in driving connection with two positioning mechanisms, so that the positioning mechanism on a first rod barrel pushes a first push rod to move in the first direction, the positioning mechanism on a second rod barrel pushes a second push rod to move in the second direction, and a first rod body and a second rod body are close to each other; the first direction is opposite to the second direction. When the building component needs to pass through a narrow passing opening in a construction site, the building component is changed into an inclined posture from a balanced posture, so that the space occupied by the whole carrying device is reduced, and the passing ability of the narrow passing opening is further improved.

The invention relates to the technical field of reconnaissance robots, in particular to an arm-swinging crawler-type reconnaissance robot which comprises a chassis, a power assembly, a loading assembly and a swinging arm assembly, the power assembly is located in the chassis, the loading assembly is assembled on the chassis, and the swinging arm assembly comprises walking driving wheels, a swinging arm shaft, a supporting plate, a crawler belt and thrust wheels. The four walking driving wheels are arranged on the two sides of the chassis in a pairwise opposite mode, the swing arm shaft penetrates through the center of each walking driving wheel, one end of each swing arm shaft is connected with the power assembly, the other end of each swing arm shaft is connected with the supporting plate, the end, away from the swing arm shafts, of the supporting plate is connected with the thrust wheel, and the track is arranged on the outer sides of the thrust wheel and the walking driving wheels in a sleeving mode. During arm swinging, the four swing arm motors and the swing arm speed reducer are directly connected with the swing arm shafts, the swing arm shafts rotate to drive the supporting plates to rotate, the thrust wheels move downwards, the robot is erected, arm swinging of the wheel train is achieved, the four wheels can swing arms independently, and trafficability and stability are high.

The invention provides an automobile hybrid power system and an automobile, the automobile hybrid power system comprises a front driving force system, a rear driving force system and a power battery, the front driving force system comprises an engine, a first clutch, an input shaft gear, a front driving motor, a front driving differential component and a second clutch; the engine is connected with the first clutch, and the first clutch is connected with the front-drive motor through the input shaft gear. The input shaft gear is connected with the front-drive differential-reduction assembly, and the front-drive differential-reduction assembly is connected with a front wheel. The second clutch is arranged at a position between the first clutch and the front wheel; the rear driving force system comprises a rear driving motor and a rear driving differential reduction assembly. One end of the rear drive differential reduction assembly is connected with the rear drive motor, and the rear drive differential reduction assembly is connected with the rear wheel; the front-drive motor and the rear-drive motor are both connected with the power battery, so that series connection, parallel connection, front-drive braking energy recovery, range extension and pure electric drive modes of the engine and the front-drive motor are achieved, and the automobile enters different running modes.

The invention belongs to the technical field of transport vehicles, and particularly relates to a gooseneck hydraulic steering device and a transport vehicle, the gooseneck hydraulic steering device comprises a gooseneck frame, a swing mechanism, a hydraulic cylinder A and a hydraulic cylinder B. The swing mechanism is eccentrically provided with a pin shaft and is hinged with a connecting rod through the pin shaft, and the rear end of the connecting rod is hinged with a swing arm; the middle of the swing arm is hinged to a fixing base in the middle of the gooseneck frame, and the two ends of the swing arm are hinged to the hydraulic cylinder A and the hydraulic cylinder B respectively. The problem that the overall height of the gooseneck is difficult to control due to the structural layout of a hydraulic oil cylinder is solved, a transport vehicle can better adapt to the height limiting requirement of road transportation, the trafficability of the transport vehicle under the complex road condition is improved, the size of loadable goods is further increased, and the transportation cost is reduced. The transportation efficiency and flexibility of the transportation vehicle are guaranteed, meanwhile, the steering sensitivity is improved, the steering accuracy is guaranteed, and the transportation vehicle is more stable and safer in the running process.