30results about How to "Easy to get out of trouble" patented technology

The invention relates to a double-structure TBM hydraulic propelling system and a double-structure TBM. The hydraulic propelling system comprises a main propelling oil cylinder and a shield body propelling oil cylinder and further comprises a main propelling hydraulic loop which can drive the main propelling oil cylinder to stretch out and draw back actively and can float under the following working conditions that: in a shield body propelling tunneling mode, when a main beam of a TBM advances and a saddle support shoe and/or a supporting shoe of the TBM support a tunnel wall, a main propelling hydraulic loop can enable the main propelling oil cylinder to float to ensure relative slippage of the main beam and the saddle; and in a shield body propelling tunneling mode, the saddle support shoe can be used for providing supporting force to support the main beam, or the supporting shoe can be used for providing rear supporting force to support the main beam, or horizontal direction adjusting acting force is provided, horizontal direction adjusting while tunneling is achieved, and the shield body propelling tunneling mode of the double-structure TBM is improved.

The invention relates to the field of water surface garbage salvaging, in particular to a special anti-collision structure for an unmanned ship for water surface garbage salvaging and a using method thereof. The special anti-collision structure comprises a ship body. The bottom of the side wall of the ship body is provided with a buffer mechanism used for buffering energy generated by collision, and the side wall of the ship body is provided with a jacking mechanism which is in transmission connection with the buffer mechanism; the buffer mechanism can restrain side tilting of the ship body through the jacking mechanism, an abutting mechanism is arranged at the end, away from the ship body, of the buffer mechanism, the buffer mechanism is in transmission connection with the abutting mechanism, and the buffer mechanism can clean the abutting mechanism. According to the special anti-collision structure for the unmanned ship for salvaging the garbage on the water surface and the using method of the special anti-collision structure, the contact area with the water bottom is automatically increased through the abutting mechanism, the buffer mechanism can effectively buffer the ship body, damage caused by collision to the ship body is reduced, the ship body is prevented from rolling over due to collision through the jacking mechanism, and safety during ship body collision is improved.

The invention relates to a combined type smoke and temperature sensing fire detector, and relates to the field of fire detection technology. The combined type smoke and temperature sensing fire detector comprises a universal base and a universal middle buckle arranged in the universal base, the peripheral side of the universal base is covered with an outer cover, the outer cover is buckled with the universal base, the peripheral side of the outer cover is provided with a plurality of openings, a laser lamp is arranged on the side surface, away from the base, of the universal middle buckle, a laser emitted by the laser lamp is emitted out of the opening, and a built-in power system used for supplying power to the laser lamp is arranged in the universal base. The laser lamp works, the laser is emitted from the opening of the outer cover till that the laser is irradiated to the position of an emergency exit, and the effects that correct guidance is made for the trapped person to escape, the time for the trapped person to search for the emergency exit in dense smoke is shortened, and the escape probability is improved are achieved.

The invention relates to the field of the Internet of Things, in particular to an elevator safety intelligent monitoring system based on the Internet of Things, which comprises an elevator provided with a monitoring terminal and an elevator self-locking protection device, the elevator self-locking protection device can reduce the speed of the elevator and lock the elevator in an elevator shaft, the monitoring terminal is externally connected with an Internet-of-Things intelligent monitoring system so as to control the elevator, and the elevator is installed in the elevator shaft matched with the elevator. The elevator safety intelligent monitoring system is characterized in that the elevator comprises an elevator car, a lead screw used for being connected with a partition plate is installed in the elevator car, the partition plate is rotationally connected to the upper end of the lead screw, the elevator self-locking protection device is installed on the partition plate, a speed feedback mechanism is installed on the lower end face of the partition plate and used for converting elevator speed into control signals, and a stopping mechanism and a door opening mechanism are installed on the outer side of the upper end of the elevator car. Through the arrangement of the structure, the elevator which breaks down can complete emergency stop and self-rescue work after the Internet of Things monitors that the elevator is damaged or the Internet of Things fails.

The invention relates to rescuing equipment, in particular to a grab manipulator well rescuer which comprises a grab manipulator, a grab manipulator wrist arm, a control cable, a haul line, a guide rod and a light-dispersing illuminating lamp. The grab manipulator well rescuer is characterized in that the grab manipulator can actively search and grab wrists of hands and feet of victims for rescuing. Compared with the prior art, the grab manipulator well rescuer has the advantage that the grab manipulator can actively search and grab the wrists of the hands and the feet on the grab manipulator or exposed outside in a thin cylinder or narrow slit environment under the conditions that a support-block type, a shoulder-grab type and a chest-hooping type rescue devices are not inserted due to no space and the victims can not cooperate with the rescue due to disturbance of consciousness. Meanwhile, the invention also has the advantages of reasonable design, safety, flexibility and convenience for use, and convenience for manufacture, and the like, thereby having good popularization and use value.

The invention relates to an adaptive sliding damping wheel for an automobile. A plurality tire seat connection bosses (11-1) are arranged on the external circumference of a ire seat (11); one cylinder connection boss (12-1) is inserted between each two tire seat connection bosses (11-1); the tire seat connection bosses (11-1) and the cylinder connection bosses (12-1) arranged through bolts (14) in a penetrating manner; the center of the outer end surface of a piston (17) is fixedly connected with the lower end of a guide rod (15); a compression spring (4) is arranged on the guide rod (15); the guide rod (15) and the compression spring (4) are arranged in a slide bar (3); the upper end of a sliding sleeve (7) is clamped between an inner ring (16) and an outer ring (10) through the boss with a groove and a flat boss at the lower end; one end of a buffer reset spring (9) is fixedly arranged on a piston in a cylinder (12) and the other end of the buffer reset spring (9) is fixedly arranged on the lower surface of an upper cover of the cylinder (12); the top end of the guide rod (15) is connected with a reinforcing pad (2); the reinforcing pad (2) is fixedly arranged on lower end surface of a tire (1) and in a groove identical to the shape of the reinforcing pad (2) through hexagon socket bolts. Through an independent small tread, vibration of an uneven road under the car impact is reduced.

The invention relates to a differential stop device for a vehicle. The differential stop device comprises a differential mechanism, a synchronizing device enabling two power output shafts of the differential mechanism to be synchronous, a left wheel axle and a right wheel axle. The synchronizing device comprises a synchronizing shaft, a linkage mechanism inserted into one end of the synchronizing shaft, and a second linkage gear fixedly arranged at the other end of the synchronizing shaft. The left wheel axle and the right wheel axle are meshed with the two power output shafts of the differential mechanism respectively through the linkage mechanism and the second linkage gear. When one drive wheel of the vehicle gets stuck, the synchronizing device enables the left wheel axle and the right wheel axle to be synchronous, the differential function of the differential mechanism is isolated, the left wheel axle and the right wheel axle can obtain identical power and torque, and after the stuck wheel obtains the power, the vehicle can get out of the trap more easily.

The invention relates to the technical field of vehicles, in particular to a manual mode gear shifting control method and a vehicle. The manual mode gear shifting control method comprises the following steps that the vehicle runs at a manually-controlled M gear, the wheel speed nd of a driving wheel of the vehicle is obtained, and the wheel speed np of a driven wheel of the vehicle is obtained; a wheel speed difference value delta n is obtained through calculation, delta n=nd-np; whether the wheel speed difference value delta n is larger than a wheel difference threshold value delta nT or not is judged, if the wheel speed difference value delta n is larger than the wheel difference threshold value delta nT, a slip control strategy is executed, if the wheel speed difference value delta n is not larger than the wheel difference threshold value delta nT, whether the gradient value of vehicle running is larger than a set gradient threshold value within set time or not is judged, if the gradient value of vehicle running is larger than the set gradient threshold value within the set time, whether the number of changes of the running direction of the vehicle is larger than a set change threshold value or not is judged, if the number of changes of the running direction of the vehicle is larger than the set change threshold value, an automatic transmission forbids automatic upshift, and if the number of changes of the running direction of the vehicle is not larger than the set change threshold value, the automatic transmission is controlled according to the set gear shifting control strategy. When the vehicle is in the manual mode, both dynamic running and vehicle escape can be considered, and the performance of the whole vehicle is improved.

The invention discloses a motor tricycle with a novel differential. The motor tricycle comprises a frame, a differential, a left rear wheel and a right rear wheel; the differential comprises an outershell, a first gear, a first rotating disc and a second rotating disc; the left rear wheel is connected with a first output shaft; the right rear wheel is connected with a second output wheel; the first output shaft and the second output shaft are rotationally connected to the first gear; the side, near the first gear, of the first output shaft is fixedly connected with the first rotating disc; the side, near the first gear, of the second output shaft is fixedly connected with the second rotating disc; a first iron block set and a second iron block set are arranged on two sides of the first gear; a first electromagnet set and a second electromagnet set are arranged on the first rotating disc and the second rotating disc; the first iron block set is aligned to the first electromagnet set; the second iron block set is aligned to the second electromagnet set; and an electric control device is arranged in the differential, and is used for controlling electrification of the first electromagnet set and the second electromagnet set to generate magnetic force.

The invention provides a shield tunneling machine shell structure favorable for escape. The shield tunneling machine shell structure comprises a front shield shell and a rear shield shell, and the rear end of the front shield shell and the front end of the rear shield shell are axially and slidably sleeved and connected. The cross-section outline structures of the front shield shell and the rear shield shell are both of polygonal structures, edges and corners are formed on the outer surface of a shell, large and uneven gaps are formed between the shield tunneling machine shell and a cave wall,and therefore the shield tunneling machine is easy to escape. Through the effect of the edges and the corners of the polygons of the front shield shell and the rear shield shell, in the rotary drilling process of a shield tunneling machine rotary disc, a shield tunneling machine body has great resistance to ring torsion, and the stability of the shield tunneling machine is improved.

The invention provides a control method and system for escape from a vehicle in a serious accident and a storage medium. The control method comprises the following steps: S101, a collision signal is sensed; and S102, whether the collision signal reaches a set value or not is judged, if the collision signal reaches the set value, an opening instruction is sent to a tail door and/or skylight control system, the tail door and/or a skylight are/is controlled to be opened within set time, and if the collision signal does not reach the set value, the step S101 is executed again. According to the control method and system for escape from a vehicle in a serious accident and the storage medium, the safety air bag can be actively controlled to be opened after the vehicle is collided, the skylight and/or the tail door are/is controlled to be automatically opened in the contraction process of the safety air bag, trapped persons in the vehicle can be conveniently released, and therefore casualties caused by the fact that the trapped persons are trapped and rescue time is delayed are avoided.

The invention discloses an automobile sand-prevention plate comprising a plurality of plate bodies and U-shaped connecting pieces, wherein each U-shaped connecting piece is arranged between every twoadjacent plate bodies in a matched mode. Protruding parts are formed at the tops of the plate bodies. A plurality of pipe parts are matched at the tops of the protruding parts. Polygonal force applying parts are arranged at the positions, close to the tops, of the outer walls of the pipe parts. The force applying parts and the pipe parts are of an integrated structure. Rod parts are arranged at the bottoms of the plate bodies. First thread parts are arranged at the tops of the rod parts. The rod parts are screwed into the plate bodies through the first thread parts. Polygonal first force applying parts are arranged on the outer walls of the rod parts. The first force applying parts and the rod parts are of an integrated structure. In a idle state, the multiple plate bodies are stacked up and down, at the moment, the rod parts are inserted into the pipe parts, through holes are formed in the side faces of the plate bodies, and the U-shaped connecting pieces are inserted into the throughholes; and the automobile sand-prevention plate can help an automobile to get out of sand or slimy ground.

A new type of multifunctional wheel, including 2 sets of crossed inner cross wheels and outer cross wheels, transmission shaft (5), bevel gear drive motor (6), support spring (7), ball bearing (8), bevel gear Driven wheel (9), bevel tooth driving wheel (10); a supporting spring (7) is set at the axis between the inner cross wheel and the outer cross wheel, and its elastic force makes the inner and outer cross wheels have a tendency to separate; the inner cross wheel, The outer cross wheel is connected with the transmission shaft (5) and keeps rotating synchronously with it; the inner side of the axis of the inner cross wheel is fixed with a ball bearing (8), and the other side of the ball bearing is connected with the bevel gear driven wheel (9) And sleeved on the transmission shaft (5), and the bevel gear driven wheel (9) will not rotate with the transmission shaft (5); the bevel gear driving wheel (10) is sleeved on the transmission shaft (5), and will not rotate with the transmission shaft (5). (5) Rotate; the bevel gear driving wheel drive motor (6) is connected with the bevel gear driving wheel (10). The multifunctional wheel can freely switch the working mode of the tire when needed; in the off-road mode, it increases the grip and facilitates getting out of trouble; in the road mode, it enhances the comfort and facilitates long-distance trekking.

The invention provides a vehicle escape device and method, and the device comprises an air injection bag; one end of the traction rope is connected with the air injection bag, and the other end of the traction rope is used for being connected with a lifting fixing point of a vehicle to be released. According to the vehicle escape device, the contact force between the trapped wheel and the ground can be reduced or the trapped wheel can be lifted by utilizing the buoyancy force formed by the air injection bag, so that a driver and passengers can drive the to-be-escape vehicle to further escape, the possibility that the driver and the passengers are further in danger is reduced, and the safety of the driver and the passengers is improved. Compared with the prior art, the method has the advantages that the influence of trapped vehicles on the journey is greatly reduced, the method is not influenced by weather and environment factors of vehicles waiting for getting out of the trapped vehicles in sites, the method has high applicability to trapped scenes of most outdoor vehicles, operation is easy, and the requirement for the number of operators is low.