44results about How to "Reduce vandalism" patented technology

The invention provides a formwork for concrete structure pouring. The formwork comprises two side formworks, a tie mechanism, a vertical keel and a horizontal keel; the tie mechanism is used for performing tying between the two side formworks; the vertical keel and the horizontal keel are arranged on the outer sides of the two side formworks respectively; a concrete pouring area is formed between the two side formworks; each side formwork comprises steel templates and square timber; the square timber comprises a pre-embedded part penetrating hole and a bolt hole which penetrate the square timber; each bolt hole and the corresponding pre-embedded part penetrating hole are arranged vertically; each bolt hole is corresponding to bolt holes which are formed in the two steel templates which are adjacent to the corresponding square timber; each square timber is connected with the two adjacent steel templates through bolts; the tie mechanism comprises a pull rod, a nut and an inverted E-shaped part; the pull rod comprises a thread section, a flat section, a steel bar section, a flat section and the thread section which are connected in turn; the length of the steel bar section is equal to the thickness of the concrete pouring area; each flat section is arranged between the two corresponding adjacent steel templates and a gap value between the two steel templates is equal to the thickness of the flat section; the horizontal keel is limited in a groove of the inverted E-shaped part. The invention also provides a concrete structure pouring construction method.

The invention discloses a preparation method of a high-temperature-resistant phenolic carrier glue film. The prepared glue film is applicable to the bonding among honeycomb core sandwich materials, metal, ceramic and C-C composite materials. Particularly at high-temperature environment, good bonding performance is still maintained. The high-temperature-resistant phenolic carrier glue film providedby the invention is prepared by using modified phenolic glue liquid as matrix resin and using fiber fabric as a framework material by a hot melting film coating method; the modified phenolic glue liquid is prepared from the following ingredients in parts by mass: 100 mass parts of phenolic resin, 10 to 50 mass parts of rubber toughening agents, 50 to 80 mass parts of epoxy resin and 5 to 10 massparts of diluents. The prepared high-temperature-resistant phenolic carrier glue film has the characteristics that the preparation process is simple; the application is convenient and fast; the heat resistance and bonding performance are good, and the like.

The invention relates to a fence system which comprises a plurality of steel fence units, wherein each fence unit comprises a pair of fence columns and a meshed sheet installed between a pair of fence columns. The fence system is characterized in that the meshed sheet is formed by mutual zigzag welding of a plurality of transverse tendons and longitudinal tendons; in the meshed sheet, the distance between two adjacent transverse tendons is 74.5-75.5 mm, and the distance between two adjacent longitudinal tendons is less than 15 mm; or the distance between two adjacent transverse tendons is less than 15 mm, and the distance between two adjacent longitudinal tendons is 74.5-75.5 mm; and a part of the meshed sheet is bent outwards to form a raised part tensioning the meshed sheet. The invention enhances the intensity and the beautiful appearance of the meshed sheet by adding the bent raised parts, and simultaneously, the high-density anti-shearing design also greatly reduces the possibility of man-made damage, thereby effectively preventing the invasion of foreign personnel.

There is described an electric vehicle charging station for charging an electric vehicle, comprising: an electrical connector electrically connectable to a source of electrical energy, the electrical connector adapted for connecting to a battery of the electric vehicle; a frame having a connector receiving portion for receiving the electrical connector; a locking unit mounted to the frame for preventing a user access to the electrical connector; and a control unit operatively connected to the locking unit, the control unit for verifying rights of a user to access the electrical connector and unlocking the locking unit upon successful verification of the user rights to provide the user access to the electrical connector.

The invention discloses a colorful smart dimming polyvinyl butyral film and a preparation method of laminated glass of the colorful smart dimming polyvinyl butyral film. The PVB (Polyvinyl Butyral) film having the color smart dimming function provided by the invention can be formed on glass without any binder and extra process through one step; the preparation process is greatly simplified; as a result, the cost of smart glass is reduced; and meanwhile the stability of the smart dimming layer is greatly improved and the service life of the smart dimming layer is greatly prolonged. The color of the laminated glass is quite easy for people to accept, and the laminated glass can be widely applied to the aspects of energy conservation of buildings, thermal insulation of vehicle windows and the like.

A locking system with infrared communications includes a lock (1) and a programming key (2). The lock (1) includes an interacting device (3) for interacting with the user, a first communications module (4) having an infrared sensor which receives and sends information when communications with the key (2) is established. A first control module (5) manages the received information and a mechanical device (6) opens and locks the locking system a first warning (7) and a first power supply (8). The programming key (2) includes a second communications module (10) including an infrared sensor for communicating with the lock (1), a second control module (11), a storage module (12), a second warning (13), a connector for connection externally (14) and a second power supply (15).

The invention relates to a fence system which comprises a plurality of steel fence units, wherein each fence unit comprises a pair of fence columns and a meshed sheet installed between a pair of fence columns. The fence system is characterized in that the meshed sheet is formed by mutual zigzag welding of a plurality of transverse tendons and longitudinal tendons; in the meshed sheet, the distance between two adjacent transverse tendons is 74.5-75.5 mm, and the distance between two adjacent longitudinal tendons is less than 15 mm; or the distance between two adjacent transverse tendons is less than 15 mm, and the distance between two adjacent longitudinal tendons is 74.5-75.5 mm; and a part of the meshed sheet is bent outwards to form a raised part tensioning the meshed sheet. The invention enhances the intensity and the beautiful appearance of the meshed sheet by adding the bent raised parts, and simultaneously, the high-density anti-shearing design also greatly reduces the possibility of man-made damage, thereby effectively preventing the invasion of foreign personnel.

The invention discloses a safety protection fence handrail. The safety protection fence handrail comprises vertical upright posts and grids, wherein the grids are connected between every two vertical upright posts; each grid is provided with a plurality of meshes; the grids are provided with top beams; gaps are formed between the top beams and the top ends of the upright posts; elastic boxes are arranged above inside the upright posts; transverse plates are arranged below the elastic boxes; the transverse plates are provided with micro-switches; switch buttons on the micro-switches are 2-3 millimeters away from the elastic boxes. The safety protection fence handrail disclosed by the invention is provided with dual-layer grids, so that the strength is high; the grids are dense grids, so that the probability of man-made destruction is lowered; the micro-switches are arranged in the upright posts of the fence handrail, the switch buttons on the micro-switches are pressed when a person climbs the handrail, and tangle nets above the handrail are electrified, so that any person is prevented from climbing the protection fence handrail, and excellent protection and isolation effects can be achieved.

The invention discloses a colorful smart dimming polyvinyl butyral film and a preparation method of laminated glass of the colorful smart dimming polyvinyl butyral film. The PVB (Polyvinyl Butyral) film having the color smart dimming function provided by the invention can be formed on glass without any binder and extra process through one step; the preparation process is greatly simplified; as a result, the cost of smart glass is reduced; and meanwhile the stability of the smart dimming layer is greatly improved and the service life of the smart dimming layer is greatly prolonged. The color of the laminated glass is quite easy for people to accept, and the laminated glass can be widely applied to the aspects of energy conservation of buildings, thermal insulation of vehicle windows and the like.

The invention discloses a direct-embedded electronic equipment protection device and a direct-embedded optical-cable communication access equipment. The direct-embedded electronic equipment protection device comprises a protective housing of direct-embedded electronic equipment, and further comprises a shielding case arranged above the protective housing, wherein an air shielding space is formed between the upper part of the protective housing and the shielding case; the protective housing is provided with a sealing edge and / or a human-computer interface positioned in the air shielding space; and the shielding case is a sealed cover provided with an open cavity at the lower part. The protection device adopts a shielding case structure with the air shielding space and the multilayer sealing structure to take an IP68-grade sealing effect, and adopts a ventilated respirator to effectively ensure air circulation in the electronic equipment tank and prevent water in the tank from condensation. The problems of groundwater immersion, water leakage of the tank body and poor air circulation in the tank are effectively solved, and the functions of moisture protection, water resistance, mold prevention, salt haze prevention, dust prevention, burglary resistance, malicious damage avoidance and the like are served. The direct-embedded electronic equipment protection device can be widely used for waterproof protection of direct-embedded electronic equipment, such as direct-embedded communication equipment, direct-embedded monitoring equipment and the like.

The invention discloses a direct-embedded electronic equipment protection device and a direct-embedded optical-cable communication access equipment. The direct-embedded electronic equipment protection device comprises a protective housing of direct-embedded electronic equipment, and further comprises a shielding case arranged above the protective housing, wherein an air shielding space is formed between the upper part of the protective housing and the shielding case; the protective housing is provided with a sealing edge and / or a human-computer interface positioned in the air shielding space; and the shielding case is a sealed cover provided with an open cavity at the lower part. The protection device adopts a shielding case structure with the air shielding space and the multilayer sealing structure to take an IP68-grade sealing effect, and adopts a ventilated respirator to effectively ensure air circulation in the electronic equipment tank and prevent water in the tank from condensation. The problems of groundwater immersion, water leakage of the tank body and poor air circulation in the tank are effectively solved, and the functions of moisture protection, water resistance, mold prevention, salt haze prevention, dust prevention, burglary resistance, malicious damage avoidance and the like are served. The direct-embedded electronic equipment protection device can be widely used for waterproof protection of direct-embedded electronic equipment, such as direct-embedded communication equipment, direct-embedded monitoring equipment and the like.

The invention discloses a static power exchange thighbone intramedullary nail, which comprises a nail main body, wherein a coronal plane at the far end of the nail main body is provided with a first sliding lock hole and a third sliding lock hole; a vertical plane at the far end of the nail main body is provided with a second sliding lock hole and a fourth sliding lock hole; the first sliding lock hole, the second sliding lock hole, the third sliding lock hole and the fourth sliding lock hole are long holes; the end part of the long holes are circular-arc-shaped; the third sliding lock hole is longer than the first sliding lock hole; the fourth sliding lock hole is longer than the second sliding lock hole; the vertical plane at the far end of the nail main body is provided with a positioning platform; and the center of the positioning platform is provided with a third static lock hole. Due to the adoption of the static power exchange thighbone intramedullary nail disclosed by the invention, early static fixation of bones can be realized, motorization can be performed in case of delayed healing of bone fractures, static fixation is performed after motorization is performed appropriately, motorization can be performed once again, static fixation is performed after motorization is performed appropriately, and controllable adjustment is performed on dynamic and static fixation, so that rapid healing of bone fractures is facilitated.

The invention discloses a closed mechanical anti-theft door lock. The closed mechanical anti-theft door lock comprises a closed anti-theft cap, a lock body and a door lock key; the closed anti-theft cap comprises three pipe openings, a cover plate and a base plate; the lock body comprises two door lock pin fixing blocks, a crankshaft casing, a gasket, a crank, a crank socket, a door lock pin, a spring and a spring fixing block; the two door lock pin fixing blocks are fixed on the inner surface of a door; the door lock pin is inserted into the two door lock pin fixing blocks and can linearly slide in the two door lock pin fixing blocks; the key comprises a tooth base cylinder, an inner ejector pin, a handle and an extensible pin. According to the closed mechanical anti-theft door lock, the door lock is convenient to open and close, the lock-picking theft of the non-working personnel can be prevented, the performance is reliable, the anti-theft performance is good, the door lock is difficult to pry up, the opening is convenient, the door lock key is difficult to be copied, and the like.

A locking system with infrared communications includes a lock (1) and a programming key (2). The lock (1) includes an interacting device (3) for interacting with the user, a first communications module (4) having an infrared sensor which receives and sends information when communications with the key (2) is established. A first control module (5) manages the received information and a mechanical device (6) opens and locks the locking system a first warning (7) and a first power supply (8). The programming key (2) includes a second communications module (10) including an infrared sensor for communicating with the lock (1), a second control module (11), a storage module (12), a second warning (13), a connector for connection externally (14) and a second power supply (15).