51results about How to "Shorten the erection time" patented technology

The invention belongs to the technical field of vehicle-borne radars, and particularly relates to a high-mobility large-scale radar vehicle. The radar vehicle comprises an assembling platform and an electronic equipment cabin, wherein leveling supporting legs are arranged on the lower plate surface of the assembling platform; a fixed antenna and a folded antenna are arranged at the electronic equipment cabin; the folded antenna is driven by a hydraulic driving assembly, so that two position conditions of withdrawing and unfolding are generated along a vertical surface; when the folded antenna is under a withdrawing condition, the antenna plate surface of the folded antenna is vertically arranged, when the folded antenna is under an unfolding condition, the antenna plate surface of the folded antenna is horizontally arranged, and the antenna plate surface of the folded antenna and the antenna plate surface of the fixed antenna are in the same plane; and the radar vehicle also comprises a servo control system and an electric generating system. According to the high-mobility large-scale radar vehicle disclosed by the invention, the situation that the width and the height are not exceeded during the transporting of radar antennas can be guaranteed, functions of quick erecting and quick removing of an antenna array surface can also be realized, and finally, the high mobility of the ground vehicle-borne radar is guaranteed.

The invention relates to a sectional type modularization rapid assembled and spliced bridge which comprises springboard bridge sections (1) and standard bridge sections (2). Each springboard bridge section (1) comprises a top board (11), a web (12), a bottom board (13), a pressure bearing interlocking end board (14) and a negative head and positive head connecting lug board (15). Each standard bridge section (2) comprises a top board (21), a web (22), a bottom board (23), a pressure bearing interlocking end board (24) and a negative head and positive head connecting lug board (25). The springboard bridge sections (1) and the standard bridge sections (2) are fixedly connected through the pressure bearing interlocking end boards (14), the negative head and positive head connecting lug boards (15), the pressure bearing interlocking end boards (24) and the negative head and positive head connecting lug boards (25). Every two standard bridge sections (2) are fixedly connected through the pressure bearing interlocking end boards (24) and the negative head and positive head connecting lug boards (25). Every two assembled and spliced bridges are fixedly connected through a transverse connecting arm (3). The sectional type modularization rapid assembled and spliced bridge has the advantages of being convenient to transport, flexible to assemble and splice, capable of being erected rapidly, and particularly suitable for releasing emergencies and disasters. The webs are made of corrugated steel, and the bottom boards are made of laminated composite materials.

The invention discloses a suspension bridge sectional-type catwalk and a construction method thereof, which relate to the field of the construction of suspension bridges. The suspension bridge sectional-type catwalk is used for connecting two main towers respectively disposed at two sides of a main span of a suspension bridge and anchorages disposed at two sides of the suspension bridge. Two sides of each main tower are respectively and fixedly provided with a first anchoring apparatus, wherein the two first anchoring apparatuses of the same main tower are connected with each other by virtue of a counter-pulling apparatus pre-embedded in the main tower, and a main span load bearing rope is arranged between the two opposite first anchoring apparatuses of the two main towers; and each anchorage is provided with a second anchoring apparatus, and a side span load bearing rope is arranged between each second anchoring apparatus and the first anchoring apparatus of the opposite main tower.

The invention discloses an inner surface coating tool for a bridge and tunnel steel immersed tube. The inner surface coating tool comprises an inner beam and two gantry supports for lifting the innerbeam. The inner beam is provided with a sand blasting/spraying robot and a transverse moving mechanism, the sand blasting/spraying robot is movably mounted on the inner beam through the transverse moving mechanism and can transversely move along the inner beam, and the gantry supports are mounted at the two ends of the inner beam. Gantry support bases are arranged at the bottoms of the gantry supports and mounted on rails located on the ground and drive the gantry supports to longitudinally move along the rails through longitudinal transverse mechanisms. According to the inner surface coatingtool, the gantry supports are located on the two opening end faces of the steel immersed tube and can longitudinally move along the ground rails, the two gantry supports can be accurately matched to enable the inner beam to rise and fall, a platform where the robot is located can slide along the inner beam, the platform and the inner beam act coordinately, and thus sand blasting/spraying full-covering operation of the side face/top face of the inner surface of the steel immersed tube can be achieved.

The invention relates to an assembled four-piece combined circular steel pipe concrete inner support structure and a manufacturing method, and belongs to the technical field of support and support in foundation pits of subway stations. The prefabricated four combined circular steel pipe concrete inner support structure includes different types of circular steel pipe concrete straight supports. Including short straight stay and standard straight stay. The straight supports are connected to each other by high-strength bolts. All components are composed of ultra-high-strength concrete filled round steel pipes, and the cross-sections of four round steel pipes are arranged in a square. The present invention satisfies the splicing needs of supports in foundation pits of different lengths by combining different forms of component lengths, and provides an assembled combined circle with high rigidity, reusability and low cost, which can be used as internal supports in the foundation pit or shaft enclosure structure system The inner support structure of concrete filled steel tube can effectively solve the problems of complex construction and high cost of concrete support. The comprehensive benefit is remarkable, and it has important engineering application value and development prospect.

The invention relates to an assembled three-piece combined circular steel pipe concrete inner support structure and a manufacturing method, which belong to the technical field of support and support in foundation pits of subway stations. The prefabricated three combined circular steel pipe concrete inner support structure includes different types of circular steel pipe concrete straight supports. Including short straight stay and standard straight stay. The straight supports are connected to each other by high-strength bolts. All components are composed of ultra-high-strength concrete filled round steel pipes, and the cross-sections of the three round steel pipes are arranged in an inverted triangle. The present invention satisfies the splicing needs of supports in foundation pits of different lengths through the combination of different forms of component lengths, and provides a high rigidity, reusable, cost-reduced assembly-type combined circle used as internal supports in the foundation pit or shaft enclosure structure system The inner support structure of concrete filled steel tube can effectively solve the problems of complex construction and high cost of concrete support. The comprehensive benefit is remarkable, and it has important engineering application value and development prospect.

The invention discloses a network extender based on the LRE (Long- Reacher Ethernet) technique. The network extender comprises a casing, wherein a mainboard is mounted in the casing, data interfaces which are connected with the mainboard are arranged on the rear side of the casing, a power interface is arranged on one side of the casing, status indicator lamps are arranged on the upper side of the casing, a plurality of heat radiating grooves are formed in the bottom surface of the casing, heat radiating holes are formed in the casing in the heat radiating grooves, an exhaust fan is mounted below the heat radiating grooves, and a control switch is arranged on the exhaust fan. The network extender disclosed by the invention has the advantages that the latest LRE technique is adopted, so that the conventional transmission distance of 100 meters is broken through at a lower cost, the network extender is plug-and-play, no software or protocol conversion is needed, the time for network erection is greatly shortened, and the popularization and the development of the broadband network are greatly promoted.

The invention discloses a tent rack. The tent rack comprises a plurality of carbon fiber pipes, a plurality of plastic fittings and a plurality of screws, wherein through holes where screws pass are arranged on the pipe walls of edges of two ends of the carbon fiber pipes and on the pipe walls of edges of at least one ends of the plastic fittings, and the carbon fiber pipes and the plastic fittings are connected through a direct plugging structure and are fastened through screws; the tent rack comprises a square base and at least one support unit; the square base is formed by a front bottom beam, a left bottom beam, a back bottom beam and a right bottom beam which are sequentially connected through the fitting 6; the front bottom beam and the back bottom beam are formed through the connection of two carbon fiber pipes through the fitting 1, and the left bottom beam and the right bottom beam are formed by one carbon fiber pipe or through the connection of two carbon fiber pipes through the fitting 2; and the support unit is a V-shaped ceiling rack formed by three purlines, four cant beams and four upright columns. The carbon fiber tent rack has the capabilities of improving the structural strength of a tent, reducing the weight and the volume of the tent, and shortening time for assembling and disassembling.

The invention provides a porcelain clamping plate of an insulated wire, which is convenient to operate, convenient and rapid of install, and capable of reducing the labor intensity. The porcelain clamping plate comprises an upper wire clamping plate, a lower wire clamping plate, a fixation hook, a pair of gaskets and a pair of nuts, wherein the fixation hook is U-shaped, two ends of the fixation hook are provided with external threads respectively, the upper part of the upper wire clamping plate is provided with an upper arc top which is matched with the fixation hook, the bottom surface of the upper wire clamping plate is provided with an inward concave upper wire clamping groove, a plurality of upper convex arcs and a plurality of upper concave arcs are disposed in the upper wire clamping groove, the upper convex arcs and the upper concave arcs are disposed alternatively, the lower wire clamping plate is provided with a lower wire clamping groove, the lower wire clamping groove is arranged opposite to the upper wire clamping groove, a plurality of lower convex arcs and a plurality of lower concave arcs are disposed in the lower wire clamping groove, the upper convex arcs and the lower convex arcs are disposed in an alternative manner, the upper concave arcs and the lower concave arcs are disposed in an alternative manner, an upper friction groove is disposed on each upper convex arc, and a lower friction groove is disposed on each lower convex arc. The porcelain clamping plate provided by the invention is convenient and safe to use, and capable of improving the work efficiency and reducing the danger coefficient.

The invention discloses a scaffold with a pedal one-piece hanging ladder structure. The scaffold comprises a scaffold body, wherein the scaffold body comprises a stand column, an upper supporting frame and a lower supporting frame are arranged on the stand column, an upper pedal and a lower pedal allowing a user to stand on are borne on the upper supporting frame and the lower supporting frame respectively, a hanging ladder is hinged to the upper supporting frame, and is arranged between the upper pedal and the lower pedal, the upper pedal comprises an upper fixed plate fixedly arranged on the upper supporting frame and an upper pedal uncovering body correspondingly arranged above the hanging ladder, and the upper pedal uncovering body is hinged to the upper supporting frame. According to the scaffold, the construction cost and size are effectively reduced, materials can be effectively saved, assembling is rapid, and the scaffold is firm and durable.

The invention discloses a flush mounting method of erecting a reinforced concrete box beam, which is characterized by the following steps: (1) a manner of the symmetrical erection is adopted to erect the reinforced concrete box beam; a manner of flush mounting is adopted to erect the last reinforced concrete box beam in the middle; (2) two steel bars are enclosed in a forcing sleeve, the length of each steel bar is smaller than half of the width of the reinforced concrete box beam and the total length of the two bars is less than that of the forcing sleeve; the two steel bars and the forcing sleeve constitute a extension sleeve as a forcing member bar used in erecting the last reinforced concrete box beam; (3) the forcing sleeve is put into hoisting reserved holes of the reinforced concrete box beam, steel bars are respectively inserted into the two hoisting reserved holes and respectively into the two ends of the forcing sleeve. The mounting method of the invention is capable of conveniently erecting the last box beam in the middle into the adjacent box beam in the flush mounting manner and conveniently taking out the two steel bars used for hoisting, which effectively reduces the erection time, shortens the construction period and reduces the construction cost.