302results about How to "Increase ground area" patented technology

The invention provides a self compensation floating swing arm independent suspension system, comprising a self compensation floating swing arm independent suspension device and a centrifugal force control scissors-type anti-roll bar device. The two mechanisms can be used in combination or independently and are applicable to both front wheels and rear wheels. The self compensation floating swing arm independent suspension system guarantees that wheels perform line bounce along a vertical direction of a car body on various kinds of road surfaces when a car runs at a low speed or at a high speed or makes turns and guarantees maximum contact area between the wheels and the road surfaces, with the parameters of king pin angle, toe-in angle, camber angle, wheel track, and axle base being maintained the same as original parameters; and, when the car makes turns, the centrifugal force control scissors-type anti-roll bar device works automatically, offsets a roll force with a force equal to the roll force in magnitude and opposite to the roll force in direction, and enables the car body to lower automatically, thereby improving anti-roll capacity and realizing idealization of controllability, safety, stability and comfort of the car. The self compensation floating swing arm independent suspension system has a simple structure, excellent performance, and low cost, and is easy to realize.

The invention relates to an all-terrain adaptive wheel track and application thereof. The all-terrain adaptive wheel track comprises a planetary gear speed reduction mechanism, a movable combined typewheel hub mechanism and a rubber caterpillar transmission mechanism. The planetary gear speed reduction mechanism is connected with the movable combined type wheel hub mechanism by expansion devicesand support rods, and the expansion devices can work, so that the external shape of the movable combined type wheel hub mechanism can be changed; the rubber caterpillar transmission mechanism and themovable combined type wheel hub mechanism are connected with each other, and the rubber caterpillar transmission mechanism can be switched between a wheel type form and a caterpillar type form when the external shape of the movable combined type wheel hub mechanism is changed. The all-terrain adaptive wheel track and the application have the advantages that a brake, a clutch and hydraulic cylinders are matched with one another, and accordingly the all-terrain adaptive wheel track can be switched between wheel type and caterpillar type forms; the all-terrain adaptive wheel track can be switchedto be in the wheel type form on flat hard pavements, accordingly, the running speeds can be increased, and power consumption can be reduced; the all-terrain adaptive wheel track can be switched to bein the caterpillar type form on soft grounds, accordingly, the ground contact areas can be enlarged, tractive force can be increased, and the passing ability can be improved.

The invention relates to an excavating working face patrolling robot and application thereof. The patrolling robot comprises a robot body, an explosion-proof all-directional vehicle-mounted cloud deck, a sensor integration module, an explosion-proof infrared camera and an intrinsic safety type wireless communicating devices. Four independent suspending devices are symmetrically arranged on the front, the back, the left and the right of a rack and connected with walking devices correspondingly. An explosion-proof servo motor is connected with a transmission device. The transmission device is connected with the walking devices. An explosion-proof steering engine is connected with the independent suspending devices and controls steering of the walking devices. According to the excavating working face patrolling robot, deformation of a top plate of the working face, sudden water inflowing and operation situation of equipment can be monitored in real time, the temperature of the working face and concentration of harmful gas can be monitored in real time, the wheel type and the crawler type of the carried walking devices can be switched, all-terrain operation can be carried out, patrolling personnel can escape from the risk environment, safety of the patrolling personnel is ensured, the abnormal situation of the excavating working face can be found in time, and the situation can be found and treated in time.

The invention relates to a crawler type six-freedom-degree mobile robot which comprises a frame, main motion modules, swing arm motion modules, a control box and sensors. The whole robot has six freedom degrees, two main crawlers can move independently, through the design of a crawler type structure, the robot has high ground passage capacity and can run, steer and the like on a complex road surface, four swing arms can also move independently, and therefore the robot has excellent performance on climbing stairs, crossing obstacles and obstacle avoidance and other tasks.

The invention discloses a test seat of a passive microwave radio frequency transformer. The test seat comprises a cavity, a circuit board, a positioning board and a spring thimble clamp. An open-ended cavity of an upper end surface of the cavity is fixedly connected to a pedestal. The circuit board and the positioning board are fixedly placed in the cavity from bottom to top. The circuit board is connected to monitoring equipment through a lead. The positioning board is provided with a groove which is used for placing the transformer. The spring thimble clamp is fixedly connected to a stand column and is provided with a compression bar which can elastically recover stretching. A position of the compression bar directly faces the groove. The stand column is fixedly connected to the pedestal. In the invention, a tested device is placed in the groove so as to carry out positioning; and the compression bar which can elastically recover stretching is used to carry out fastening so that tight contact of a pin is realized. By using the test seat of the invention, problems of mechanical damages and poor contact brought by a welding mode in the prior art are solved. The test seat possesses characteristics that the structure is simple; reliability and maneuverability are high; loading and unloading are convenient; test efficiency is high; the device has no loss and so on. And the test seat is suitable for a test of a large quantity of products.

The invention relates to a heat radiator, which is characterized in that: the heat radiator can be surface mounted, the heat radiator is in a three-dimensional shape and comprises a main body which is made of metal, the main body is provided with a horizontal back surface and at least partial horizontal front surface, so partial front surface can be mounted on a conductive pattern of the printed circuit board (PCB) through alignment, and the back surface can be attached to the conductive pattern through backflow welding.

The invention discloses a concave elastic screen wheel which comprises a hub and a supporting ring arranged on the hub. An annular metal wire mesh is arranged at the outer periphery of the supporting ring, an elastic element for supporting the metal wire mesh is positioned between the supporting ring and the metal wire mesh, an antiskid pawl is positioned at the outer periphery of the metal wire mesh, the metal wire mesh and the antiskid pawl are fixedly connected to form an arch concave elastic screen serving as a tire face, and the tire face is an arch concave face with the concave middle and the two convex sides. The concave elastic screen wheel can carry people to walk in soft, dusty, dry and low-gravity environments, can meet the requirements of high roll stability, high adhesion force and good shock absorption performance, can effectively prevent settlement and can effectively restrain raised dust.

An anti-metal ultra-high frequency electronic tag composed of a multi-layer antenna, including a substrate, an antenna receiving / transmitting surface, a ground plane, an ultra-high frequency electronic chip placed on the antenna receiving / transmitting surface, an auxiliary substrate, and an auxiliary receiving / transmitting surface launch surface. The positive and negative poles of the UHF electronic chip are connected to the receiving / transmitting surface of the antenna through the feeder; the receiving / transmitting surface is connected to the ground part isolated by the substrate through one or a row of feeding holes; the auxiliary receiving and transmitting surface is isolated through the auxiliary substrate . When the antenna ground plane is in use, it is directly connected to the metal surface, and the metal surface becomes the antenna ground plane in actual use to achieve the purpose of anti-metal; the role of the auxiliary receiving / transmitting surface is to increase the surface area of ​​the antenna to enhance the electromagnetic wave The effect of energy reception / emission. Such a three-dimensional design can reduce the size of the antenna while increasing the area of ​​the antenna.

The invention discloses an exchangeable crawler wheel of a loading machine, which adopts a middle support base frame, wherein the base frame is formed by welding left and right web plates, a lateral connection plate, a lower connection plate and an outer shaft sleeve of a drive wheel. An inner shaft sleeve of the drive wheel is connected with the outer shaft sleeve of the drive wheel through a pair of conical roller bearings, and a shifting plate is connected to the two ends of the inner shaft sleeve of the drive shaft through bolts; the lower end of the base frame is connected with a support wheel set, a guide wheel set and a tension wheel set, wherein the support wheel set has a three-axis swing structure, so the impact load of the crawler wheel on the pavement is reduced; the guide wheel set and the tension wheel set are connected with the base fame through a clamping type structure; and the support wheel, the guide wheel and the tension wheel adopt a glue coating structure. A crawler belt adopts a gear wheel structure, and aramid fiber cord threads are used in the crawler in place of interior steel wires, so the weight of the crawler belt is effectively reduced, and a heavy crawler wheel product capable of being exchanged with the current tyre is obtained.

The invention discloses a full-automatic wall building process. The process comprises the following steps: (1) a wall building robot is in place; (2) blocks are in place; (3) the blocks are clamped; (4) coated mortar in place: a clamping mechanism is driven by a multi-axle mechanical arm to move under a mortar coating head; (5) primary mortar coating: mortar is coated on one surfaces of the blocks; (6) secondary mortar coating: after rotation of the blocks by 90 degrees, the mortar is coated on the other surfaces of the blocks; (7) wall building: the clamping mechanism clamps the mortar-coatedblocks; the multi-axle mechanical arm drives the clamping mechanism to shift the blocks onto walls; and then, after the blocks are placed down, the adjacent blocks are approached; and (8) the step (3) is returned to until the walls are built to reach a stated height. The full-automatic wall building process can realize full-automatic construction of automatic identification, positioning, grabbingand mortar coating of the blocks and wall building.

The invention discloses an independent crawler running mechanism, comprising a driving wheel (3), a crawler (11), a bracket (6) and a swing frame (8); the driving wheel (3) is connected with a brake drum / disc (2) of a motor vehicle; the external side of the driving wheel (3) is provided with a bracket shaft (5); the bracket (6) is arranged on the bracket shaft (5); the bottom of the bracket (6) is provided with the swing frame (8); the lower part of the swing frame (8) is provided with a loading wheel (10); the external round of the driving wheel (3) is provided with grousers (12) which are matched with the crawler (11); the loading wheel (10) is arranged on the crawler (11). The crawler running mechanism of the invention is an independent whole part and requires no reconstruction to the original suspension, braking and steering system and requires to only design the bolt connection hole on the driving wheel to be consistent with the hole of a hub when being applied to the existing off-road vehicles; the independent crawler running mechanism can lead the motor vehicle to run on the ground with accumulated snow, mud water and desert, etc.

The invention discloses a magnetically driven crawler wheel capable of switching a wheel state and a crawler state. The wheel includes a fixed-length crawler and a driving device driving the fixed-length crawler to rotate. The driving device includes a cage and driving brake assemblies. Each cage includes inner brackets and outer fixing frame devices. The outer fixing frame devices are symmetrically fixed on the left and right sides of the inner brackets. Each outer fixing frame device includes outer brackets and a bracket connecting sleeve. The outer brackets are several. The several outer brackets are evenly distributed on the outer circumference of the corresponding bracket connecting sleeves. An actuator for switching a state of the fixed-length crawler is connected to each outer bracket. Each driving brake assembly includes a magnetic rotor and a driving stator driving the corresponding magnetic rotor to rotate. The driving stators are fixed to the inner brackets. Each magnetic rotor is rotatably connected between the actuators on the left and right sides of the corresponding inner bracket. The magnetic rotors are engaged with the fixed-length crawler to drive the fixed-lengthcrawler to rotate. The magnetically driven crawler wheel capable of switching the wheel state and the crawler state can switch the wheel state and the crawler state according to different road conditions, which improves the practicability.

There is provided a grounding device to prevent an ESD (Electro-Static Discharge) in a portable radio terminal having a main body with an upper casing frame, a lower casing frame, an RF board mounted to the main body, and an FPC integrated with an LCD module by an electrical connection mounted on the RF board. At least one metal grounding portion is extended outwardly from the FPC and is electrically connected to the inner side surface of the main body on which a conductive material is coated to increase a grounding area when the FPC is mounted to the main body. Therefore, the ESD problem is solved by the utilization of at least one metal grounding portion.

The invention relates to a saloon car tyre surface and specially, relates to patterns of the saloon car tyre surface. The saloon car tyre surface comprises a centre pattern block, side pattern blocks and shoulder pattern blocks. The side pattern blocks and the shoulder pattern blocks are orderly and regularly arranged at left and right sides of the centre pattern block from inside to outside. The saloon car tyre surface is divided into left and right symmetrical parts by the centre pattern block. The centre pattern block is a vertical one-piece pattern block and is located in the center of the saloon car tyre surface. The centre pattern block is separated from the side pattern blocks through main vertical circle pattern channels located between the centre pattern block and the side pattern blocks. The side pattern blocks are separated from the shoulder pattern blocks through auxiliary vertical circle pattern channels located between the side pattern blocks and the shoulder pattern blocks. Adjacent two of the side pattern blocks are separated through an inclined side pattern channel and two ends of the inclined side pattern channel are respectively communicated with the main vertical circle pattern channel and the auxiliary vertical circle pattern channel. Adjacent two of the shoulder pattern blocks are separated through a shoulder pattern channel and the shoulder pattern channel is communicated with the auxiliary vertical circle pattern channel. The patterns of the saloon car tyre surface are mixed patterns and thus the saloon car tyre surface can produce an enough braking force and has good control performances and a beautiful appearance.

The invention relates to a vehicle dynamic synchronous track driver used in desert, wherein it is formed by track pusher and suspender; the track pusher comprises active wheel fixed at the front and back ends of vehicle, induce wheel, and upper and lower track chains connected between wheels, and a track adjuster; the lower track chain has load wheel above; the upper track chain has support wheel under; the suspender comprises a balance rod support of vehicle, a torque axle on the support and a balance elbow fixed on the axial spline; the bearing of elbow fixes the load wheel. The invention has independent torque suspension method and concave load wheel, to realize driving on desert.

The invention discloses a bionic non-pneumatic tire. The bionic non-pneumatic tire comprises a crown, a bionic spoke plate support body and a spoke plate inner ring, wherein the crown, the bionic spoke plate support body and the spoke plate inner ring are sequentially arranged from outside to inside according to the radial direction of the tire; the crown comprises a tread, a cap ply and belt plies, wherein the tread, the cap ply and the belt plies are sequentially arranged from outside to inside according to the radial direction of the tire; the belt plies comprise a # 1 belt ply and a # 2 belt ply which are sequentially arranged from outside to inside according to the radial direction of the tire; and the bionic spoke plate support body is designed by imitating a kangaroo lower limb structure, and the bionic spoke plate support body comprises a kangaroo lower limb-imitated main spoke plate and a supporting auxiliary spoke plate. According to the bionic non-pneumatic tire, shock absorption, drainage and heat dissipation capability of the non-pneumatic tire are remarkably improved, and the overall mass is remarkably reduced; and the bionic spoke plate support body adopts a high-modulus polyurethane material, and thus high hardness, fatigue resistance, cutting resistance and green and environmental protection performance are achieved.

The invention relates to a high-clearance crawler-type inter-line tea picker based on hybrid power, which comprises a walking power mechanism, a lifting mechanism and a tea picking assembly, wherein the tea picking assembly comprises an auxiliary frame, a cutter and an induction unit which automatically senses the depth of tea picking by the cutter; the cutter and the induction unit are installedon the auxiliary frame; the induction unit comprises an induction board, an upward travel switch, a downward travel switch and a travel switch contact mounted on the induction board; the induction board covers a tea tree; when the travel switch contact is contacted with the downward travel switch, the lifting mechanism controls the tea picking assembly to descend on a whole until the induction board is lifted up by the tea tree and the travel switch contact is separated from the downward travel switch; and when the induction board is lifted up by the tea tree until the travel switch contact iscontacted with the upward travel switch, the lifting mechanism controls the tea picking assembly to rise on the whole until the travel switch contact is separated from the upward travel switch. The sizes of fresh leaves picked by the cutter are ensured to be uniform and the quality of tea is ensured.

The invention provides a pneumatic tire, which symmetrically improves the on-ice performance and the driving performance of a vehicle. When the pneumatic tire is assembled to a regular rim and filled with a regular inner pressure of a normal state without load, the ratio (TW / SW) of the tread width (TW) between the tread ends (Te) to the maximum width (SW) of a tire is 0.75 to 0.95. The tire surface (14) is equipped with a continuously extending thin groove (15) along the circumferential direction of the tire. The center line (15G) of the groove (15) and the normal (6n) of the carcass are at an angle (alpha) of small than 10 degrees, wherein the normal (6n) of the carcass passes through the extension line (15e) of the center line (15G) and the point of intersection thereof with the carcass (6) is (e1). A pair of shoulder main grooves (8c) continuously extending along the circumferential direction of the tire are arranged on the outer side of the tread end (Te) of the tread portion (2). The depth (D3) of the thin groove (15) is 20% to 50 % of the depth (D2) of the shoulder main grooves (8c).

The invention provides an explosive-handling robot and a remote-control robot, and relates to the technical field of robots. The explosive-handling robot comprises a walking table and a mechanical arm; the walking table comprises a carframe, walking mechanisms, leg swinging mechanisms and bearing mechanisms; the robot walks and climbs over a barrier through the walking mechanisms and the leg swinging mechanisms; the mechanical arm comprises a rotary assembly mechanism and a manipulator structure; and explosive handling is finished through rotation of the rotary assembly mechanism and telescopic grabbing of the manipulator structure. The remote-control robot comprises the explosive-handling robot, and further comprises a control box; the control box comprises a box body and a box cover; acontrol panel is arranged in the box body; a flow-up operation model is arranged on the control panel and is used for controlling a rotary table, first leg-swinging components, second leg-swinging components, a big arm, a secondary arm and a forearm; and a display is arranged in the box cover. By adopting the explosive-handling robot and the remote-control robot, the technical purpose that the explosive-handling robot climbs over the barrier is achieved.

Provided is a pneumatic tire which can improve the braking performance on ice and the partial-wear resistance. Sipes (11X) provided in a rib (5) on the tire equatorial plane (TE) are arranged in a three-dimensional shape where the amount of collapse of the rib (5) by the external force becomes smaller in one rotational direction of the tire than in the other rotational direction of the tire. In the block (10) of a shoulder region (1S), the sipes (11Ma) on the block tread-in side (10A) have a three-dimensional shape where the amount of collapse of the block by the external force when the sipes(11Ma) are provided entirely in the block (10) becomes smaller in one rotational direction of the tire than in the other rotational direction of the tire, and the sipes (11Mb) on the block kick-out side (10B) have a three-dimensional shape where the amount of collapse of the block by the external force when the sipes (11Mb) are provided entirely in the block (10) becomes smaller in the other rotational direction of the tire than in one rotational direction of the tire.

The invention discloses a high-speed and heavy-duty replaceable triangular crawler wheel assembly. The high-speed and heavy-duty replaceable triangular crawler wheel assembly comprises a rubber crawler, a supporting frame, a driving wheel, guiding wheels, tensioning guiding wheels, tensioning devices and load-bearing wheels. The outer ring of the high-speed and heavy-duty replaceable triangular crawler wheel assembly is covered with the rubber crawler. The driving wheel, the guiding wheels, the tensioning guiding wheels, the tensioning devices and the load-bearing wheels are arranged on the supporting frame. The driving wheel is located at the upper portion of the rubber crawler and is connected with a chassis wheel shaft. The guiding wheels and the tensioning guiding wheels are located atthe two ends of the bottom of the rubber crawler, and the load-bearing wheels are arranged on the middle of the rubber crawler. The tensioning devices comprise oil cylinders, energy accumulators andtensioning wheel connecting frames. The oil cylinders are connected with the energy accumulators to form gas-liquid springs. The oil cylinders are connected to oil cylinder seats of the supporting frame, the lower ends of the tensioning wheel connecting frames are connected with the supporting frame to form hinge points, the tensioning guiding wheels are arranged on the middles of the tensioning wheel connecting frames, and the oil cylinders are connected with the upper ends of the tensioning wheel connecting frames. The high-speed and heavy-duty replaceable triangular crawler wheel assembly is simple and reasonable in structure, good in stability, capable of realizing fast replacement and assembling, capable of meeting the requirements of high-speed and heavy-duty, and capable of improving the ability of vehicles to deal with complex geological conditions, such as muddy and soft conditions.

The invention discloses a deformable wheel device, in particular to a deformable wheel which is used for a light vehicle and can adapt to different pavements. The deformable wheel comprises a deformable rim and a driving shaft, wherein an inner gear ring is arranged on the inner surface of the deformable rim; a driving wheel and a guide wheel are meshed on the inner gear ring; the driving wheel and the guide wheel are symmetrically arranged at two sides of the vertical line of the center of a circle of the deformable rim; a spacing wheel A and a spacing wheel B are respectively installed at the opposite parts of the driving wheel and the guide wheel on the outer surface of the deformable rim; the centers of the spacing wheel A and the driving wheel are positioned on the same line; and thecenters of the spacing wheel B and the guide wheel are positioned on the same line. When a vehicle is loaded, the deformable wheel of the invention deforms into a similar ellipse from a circle, thereby changing the ground contact area, reducing the unit pressure and improving the trafficability of the vehicle; and the greater the load is, the larger the deformation is, and the larger the ground contact area is. When the vehicle runs on a hard pavement, an adjusting device can be used for keeping the wheel similar to a circle, thereby improving the running speed.

The invention discloses a grounding device for a high-soil resistivity region. The grounding device comprises a plurality of grounding plates, wherein each grounding plate is mounted at the periphery of grounding flat steel; a plurality of grounding electrodes are also arranged on the grounding flat steel; the grounding flat steel is also welded to the upper part of a pole tower through a pole tower anti-thunder down lead; the pole tower is fixed on the ground through pole tower support legs; the grounding flat steel takes the grounding electrodes as nodes, and each grounding plate is arranged between every two adjacent nodes. The grounding area can be effectively enlarged, the value of the grounding resistance can be reduced, and the anti-thunder level of a circuit is increased.

The invention relates to low-temperature-resistant and high-wet-skid-resistant snow tire tread rubber and a preparation method thereof. The tread rubber is prepared from the following raw materials in parts by mass: 40.0 to 60.0 parts of natural rubber, 20.0 to 60.0 parts of solution polymerized styrene-butadiene rubber, 10.0 to 40.0 parts of butadiene rubber, 5.0 to 20.0 parts of high-abrasion-resistance carbon black N234, 50.0 to 80.0 parts of high-dispersion white carbon black, 3.0 to 8.0 parts of a white carbon black dispersing agent, 4.0 to 8.0 parts of a silane coupling agent, 10.0 to 30.0 parts of paraffin-based oil, 1.0 to 3.0 parts of activated zinc oxide, 1.0 to 3.0 parts of tackifying resin, 1.0 to 3.0 parts of stearic acid, 2.0 to 5.0 parts of an anti-aging agent, 1.0 to 3.0 parts of an accelerant and 1.35 parts of sulfur. According to the invention, the rolling resistance of a tire is reduced, the wet grabbing of the tire is improved, and the tire tread formula with low rolling resistance and high wet grabbing performance is obtained.

The invention discloses a large-scale nodule collector for multi-metal nodules on a deep sea floor. The large-scale nodule collector comprises a traveling chassis, a rack, a nodule collection box, nodule collection rollers, a roller support, a mechanical tooth type conveying belt and a power driving system. The rack is fixed to the traveling chassis. The nodule collection box is fixed to the rack. The nodule collection rollers are mounted on the rack through the roller support and located at the front end, in the advancing direction, of the whole nodule collector. The mechanical tooth type conveying belt is arranged between the nodule collection rollers and the nodule collection box. Collection teeth are arranged on the nodule collection rollers and used for digging up the multi-metal nodules and then conveying the multi-metal nodules onto the mechanical tooth type conveying belt. The front end of the mechanical tooth type conveying belt conveys the multi-metal nodules into the nodule collection box from bottom to top. The power driving system drives the traveling chassis, the nodule collection rollers and the mechanical tooth type conveying belt to move. According to the large-scale nodule collector for the multi-metal nodules on the deep sea floor, the arc-shaped mechanical tooth type nodule collection rollers are used for combined work, so that the ore collection efficiency and recovery rate are greatly improved; and the whole nodule collector can automatically adapt to the terrain change of the sea floor under the effect of a nodule collection roller terrain clearance adjustment oil cylinder and an adjustment frame.

This invention puts forward an air vent ring of an etching device of plasmas, in which, the ring includes a through hole and the best selection of the shape of the section is a filter. Advantage: it is favorable to the conduction of the reacting gas due to the through hole on the ring, at the same time, since the section is a filter, the earth area is increased and plasmas are limited in a region.

The invention discloses an underwater unmanned remote-control heavy-load work vehicle which comprises a frame (15), a first walking caterpillar band (101), a second walking caterpillar band (102), an electronic cabin (10), a hydraulic valve cabin (4), a hydraulic pump station cabin (6), a right swing arm auxiliary caterpillar band (141) and a right swing arm auxiliary caterpillar band (142). Two ends of a left swing arm auxiliary caterpillar band driving oil cylinder (111) and a right swing arm auxiliary caterpillar band driving oil cylinder (112) are respectively hinged on the frame (15) and a left swing arm auxiliary caterpillar band support frame (182) of the left swing arm auxiliary caterpillar band (142) and a right swing arm auxiliary caterpillar band support frame (183) of the right swing arm auxiliary caterpillar band (141) on corresponding sides. The hydraulic oil cylinders are used to drive the triangular auxiliary caterpillar bands to swing, moving ranges are big, underwater work is easy to carry out, a structure is simple, weight is light, installation and maintenance are easy and convenient, and cost is saved. The oil cylinders are easy to lock, good in rigidity, and capable of carrying out underwater heavy-load work. By adopting a hydraulic oil cylinder swing arm driving system, the trafficability and the obstacle climbing ability of the underwater unmanned remote-control heavy-load work vehicle under complex environments are greatly improved, and the adaptability of the underwater unmanned remote-control heavy-load work vehicle in the seabed underwater complex environments is greatly enhanced.

The invention discloses a filtering small planar wideband antenna which is characterized in that rectangular openings that are just opposite to a center are cut off from the two ends of an annular strip, two sections of upper and lower rectangular transmission strips are respectively taken as a connecting line of an annular radiation unit and the strip and a microstrip feed structure to be respectively connected with the right end of the upper part and the right end of the lower part of the annular strip, a rectangular opening slot with bilateral symmetry is cut off from the upper edge of a grounding rectangular metal layer along the middle, and an annular opening slot is broken to be in the non-closed state at the positions which are corresponding to the openings of the annular strip that are just opposite to the center; the antenna radiation unit is followed and connected by a small filter unit to expand the grounding area of the antenna, and the overall size is reduced due to the unbalanced feed structure; the filtering small planar wideband antenna can not only efficiently radiate the energy in the working band into space, but also have good inhibition function for outband signals, thereby reducing the sensitivity of the whole system to the application environment; and the working bandwidth is 3.1GHz-5.2GHz. The antenna is easy to feed and to be produced and can be effectively applied in wideband wireless communication systems.

The invention provides a walking platform and an anti-explosion robot and relates to the field of robots. The walking platform comprises a frame, a walking mechanism, a leg-swinging mechanism and a bearing mechanism, wherein the bearing mechanism comprises a shaft bracket bearing and a shaft bracket sleeve bearing sleeved on the shaft bracket bearing; the walking mechanism comprises a walking power mechanism and a walking wheel; the walking wheel is driven by the walking power mechanism through the shaft bracket bearing; the leg-swinging mechanism comprises a leg-swinging power mechanism, an axle, a first leg-swinging part and a second leg-swinging part; the leg-swinging mechanism is capable of crossing the barrier by swinging; the two ends of the axle penetrate out of the frame; the walking power mechanism and the leg-swinging power mechanism are arranged in the frame; the walking wheel, the first leg-swinging part and the second leg-swinging part are located on the exterior of the frame; an electric appliance box and a front camera are arranged at the front end of the frame; a battery box and a rear camera are arranged at the rear end. The anti-explosion robot comprises the walking platform and further comprises a mechanical arm. The walking platform and the anti-explosion robot provided by the invention can solve the technical problem of barrier crossing of the anti-explosion robot.