45results about How to "Avoid impact collision" patented technology

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure may be applied to intelligent services based on the 5G communication technology and an Internet of Things (IoT)-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present application provides a data transmission method. A first device senses scheduling assignment (SA) and received power of another device, and / or senses a total received energy of all of subframes / sub-bands of the first device. The first device selects or re-selects resources according to the sensing result. The first device transmits data using the resources. The present application also provides a data transmission device. The data transmission method and device can select optimal resources for data transmission to avoid impacts of collisions on data transmission, and can adjust system running state in case of congestion to improve system performance as much as possible.

The invention discloses an automatic rainproof solar street lamp, and belongs to the technical field of public lighting equipment. The solar street lamp comprises an electric pole, a supporting part,a lamp, a solar panel and a rainproof unit, wherein at least the top of the electric pole is hollow, the top face of the electric pole is closed, a supporting part and a lamp are sequentially arrangedat the upper end of the electric pole from top to bottom, the solar panel is arranged on the supporting part and / or the electric pole, located on one side of the top of the electric pole and electrically connected with the lamp, and the rainproof unit is movablely connected with the supporting part. The solar street lamp provided by the invention has the beneficial effects that the solar street lamp provided by the invention can automatically prevent rain in all directions, is good in rain-proof effect and long in service life, and does not need extra power consumption.

The invention discloses a shock-absorbing gentle type automatic casing extracting device, which comprises a pumping bobbin and a cam. The front end is equipped with a shell claw to cooperate with the bottom edge of the cartridge, and the rear end of the pumping tube is close to the upper contour surface of the cam. The lower end of the cam is hinged to the upper end of the first connecting rod, and the lower end of the first connecting rod is connected with the second connecting rod and the third The upper end of the connecting rod is hinged, the lower end of the second connecting rod is hinged with the slider, one end of the slider is connected with one end of the compression spring, the slider is located in the chute of the chute plate, and the chute plate is installed in the direction of the other end of the slider There is a shell template, the other end of the compression spring is connected with the gun body, and the lower end of the third connecting rod is hinged with the gun body. The shock-absorbing and gentle automatic shell extracting device of the present invention can avoid multiple violent collisions, overcome problems such as yielding and fracture of shell extracting parts, and make the shell extracting process relatively stable.

The invention provides a magnetic workpiece reset structure and method and a magnetic workpiece discharge mechanism. The magnetic workpiece reset structure comprises an arranging groove and a reset part. The reset part is arranged corresponding to one end part of the arranging groove. The magnetic pole direction of a part with magnetism is opposite to the magnetic pole direction of magnetic workpieces. The multiple magnetic workpieces adsorb mutually in sequence on the arranging groove to form a queue. After the queue receives new magnetic workpieces, the end face position of the queue inlet automatically recovers to the position before receiving under the effect of the reset part. The magnetic workpiece discharge mechanism comprises an input structure, a blocking structure and a magnetic workpiece reset structure. According to a magnetic workpiece automatic arranging reset method, the magnetic force effect is formed through the queue of the reset part and the magnetic workpieces, therefore, the queue is driven to move to enable the end face of the queue inlet to recover to the position before the new magnetic workpieces join in the queue. According to the reset part, the position of the head of the magnetic workpiece queue is adjusted automatically through the magnetic force effect.

The invention discloses a hydraulic system for buffering the stroke tail section of a garbage can hopper. The hydraulic system comprises an oil tank, a hydraulic oil pump, a three-position four-way electromagnetic reversing valve, a superposition type hydraulic control one-way valve, a superposition type one-way throttling valve, a first two-position two-way electromagnetic reversing valve, a second two-position two-way electromagnetic reversing valve, a first hopper oil cylinder, a second hopper oil cylinder, an ascending tail section induction switch and a descending tail section induction switch. According to the hydraulic system, the speed of the ascending and descending processes is ensured, and the working efficiency is guaranteed; and meanwhile, the speed of the ascending tail section and the descending tail section is reduced, and the phenomena that collision impact of the hopper on the ground is caused and a material box is jacked up and pulled forwards are avoided. The hydraulic system is reasonable in design and high in practicability.

The invention provides a high and low voltage prefabricated substation with good protection performance, which includes a box body, a power equipment cabinet, a base component and three protection components. The base assembly includes a base plate, a bottom plate and a plurality of first elastic parts. The base plate is connected with the bottom plate, and each first elastic member is connected with the side wall of the base plate. The power equipment cabinet is arranged on the base plate. The box body cover is arranged on the bottom plate, and the box wall of the box body abuts against the bottom plate. One end of each first elastic member is connected to the inner box wall of the box body, and the other end of each first elastic member is connected to the side wall of the base plate. The box body has four side walls, one side wall of the box body is provided with an inspection door, and among the other three side walls of the box body, each side wall of the box body is connected with a protective component. The protective component includes a protective plate and a plurality of second elastic pieces, one end of each second elastic piece is connected with the protective plate, and one end of each second elastic piece is connected with a side wall of the box body. The above-mentioned substation has improved the safety protection performance and guaranteed the operation stability of the power equipment cabinet.

The invention belongs to the technical field of hydraulic valves. The invention discloses a confluence control valve for a double-connected pump, which comprises a valve body, a valve core and a control rod; the valve body is provided with an A port, a B port and a T port; the control rod is located inside the valve body and can be Axial relative movement; the valve core is a disc structure, and is sleeved on the control rod inside the valve body. When the control rod moves axially, it drives the valve core to rotate; arc groove and auxiliary hole; when the spool rotates around the control rod, port B communicates with port A or port T through the arc groove and auxiliary hole or communicates with the three at the same time; port B communicates with port A through the arc groove. When the A port is connected, the T port and the auxiliary hole are kept closed, and when the B port is connected with the T port through the arc groove, the A port and the auxiliary hole are kept closed or connected. The confluence control valve of the double pumps of the present invention not only has small structural volume and low manufacturing cost, but also can realize multiple control functions at the same time.

The invention belongs to the technical field of industrial valves. The invention discloses a safety valve, which comprises a main valve body, a main valve core, a connecting plate and a pilot valve; one end of the main valve core is connected to the connecting plate, and the other end is in flat contact with the plane where the main passage is located, and the pilot valve convects The flow control of the working oil to the connection plate and the rotation drive of the main valve core, so as to control the rotation direction of the main valve core relative to the connection plate, and then control the on-off control of the main valve core to the main channel, to realize the horizontal direction The opening and closing control of the main channel between the oil inlet and the oil outlet. The safety valve of the present invention can not only avoid the jamming of the main valve core due to the concentricity, ensure the smooth progress of the overflow action, but also improve the protection of the sealing surface and reduce the impact of opening and closing, and improve the service life and safety of the entire safety valve. job stability.

The invention relates to an active optical cable connector and an active optical cable assembly using the same. The active optical cable connector comprises a connector shell assembly and a photoelectric conversion unit arranged in an inner cavity of the connector shell assembly, wherein a stop structure is arranged in the inner cavity of the connector shell assembly in front of the photoelectric conversion unit; a pressing structure for elastically pressing the photoelectric conversion unit against the stop structure is arranged in the inner cavity of the connector shell assembly behind the photoelectric conversion unit; and the photoelectric conversion unit is elastically pressed in the inner cavity of the connector shell assembly by the pressing structure. According to the connector, the problem that the photoelectric conversion unit cannot be dismantled due to use of mucilage glue is solved; and the photoelectric conversion unit is elastically pressed, and elastic floating force can be provided when the connector is vibrated and the photoelectric conversion unit moves in the inner cavity of the connector shell assembly, so that impact and collision of the photoelectric conversion unit and the connector shell assembly are avoided and the reliability of the connector is improved.

The invention provides a combined connecting device for preventing the radial rotation and axial movement of the piston, which mainly includes a cylinder, a piston rod, a lock nut, an elastic washer, a retaining ring, a sealing ring, a buffer sleeve and a piston. The piston consists of Piston disc A and piston disc B are combined. It is characterized in that the radial rotation and axial movement of the piston are prevented by using the piston rod shaft shoulder, the lock nut, the elastic washer with protrusions, and the torsional deformation of the elastic washer. The invention realizes the weight reduction of the piston without loss of strength through the hollow cylindrical piston disc containing the pillar; through the protrusion on the elastic washer and the circlip, the shaft shoulder of the piston rod and the lock nut, the prevention of the radial direction of the piston is realized. Rotation and axial movement; the buffer sleeve between the piston discs prevents them from colliding with each other.

The invention relates to a lever counter weight type gravity compensation device used for one-dimension deployed antenna ground deployment tests of spacecrafts such as satellites. The lever counter weight type gravity compensation device comprises a supporting assembly, a rotating plate assembly and a bottom plate assembly; the supporting assembly is composed of an adaptor, a rotating shaft, a plastic roller, a roller support, a pressure sensor and the like; the rotating plate assembly is composed of a rotating plate, a counter weight, rotating supports, a damper gear, an intermittent gear, bearings, a key and the like; the bottom plate assembly is composed of a bottom plate, bottom plate locking levers, sucked type electromagnets, a limiting pin, bottom plate guide rods and the like. When an antenna is deployed, the compensation device is in a sucked and combined state, and the sucked type electromagnets are powered on and sucked and combined with the rotating plate; after the antenna is deployed, the sucked type electromagnets are powered off, the rotating plate can rotate stably under the functions of the counter weight, the intermittent gear, the damper gear and the like, and finally the rotating plate supports the antenna to compensate the gravity. By means of the lever counter weight type gravity compensation device, the problem of gravity compensation of space antenna ground deployment tests is solved, the structure of the device is simple, the operation is convenient, the compensation force is adjustable, and no impact exists.