31results about How to "Short assembly and disassembly time" patented technology

The invention discloses a total-paper pallet which comprises a main component and an auxiliary component. The main component comprises a rectangular bearing panel integrally formed by a corrugated paper board. The two sides of the rectangular bearing panel can be folded to form. The whole panel are supported by six cuboid supports on two sides. The middle of the pallet is supported by three cuboid supports. All the supports can be directly demounted and automatically unfolded. The total-paper pallet has the advantages that the pallet is of an overall symmetrical structure, the auxiliary component is in insertion connection with the main component, and the insertion connection parts can share external force action and resist pressure and prevent vibration; the pallet is demountable and recyclable and has a foldable display function.

A method for sucking sand in a non-central ballast bed area, which includes: a. walking the sand suction operation vehicle to the road section to be operated, installing a hand-held suction pipe in the 0-3m work area according to the scope of the required operation, and placing the long boom and the short boom Above the non-central ballast bed area; b. The operator enters the non-central ballast bed area that needs to be operated, and the operator in the 0‑3m non-central ballast bed area controls the hand-held straw to make it in place through the handle; f. The operator controls the hand-held straw to make it in place position; g. Turn on the cyclone dust collector, and the operator in the 0-3m operation area controls the hand-held suction pipe and the hand-held suction pipe to sweep over the track bed in sequence, so that the sand in this area is sucked up. It adopts a sand suction working device, which uses a combination of two suction ports, and cooperates with two sets of suction pipes with different lengths to achieve long and short distance sand suction without dead ends, and has high sand suction efficiency.

The invention relates to a lamp assembling mechanism, in particular to an elastic sheet type assembling mechanism for a lamp. The elastic sheet type assembling mechanism for the lamp comprises a framebody and elastic plates; positioning plates are arranged in the frame body, and are symmetrically distributed on the inner side face of the frame body; the elastic plates are symmetrically installedon the two sides of the lamp, and are each provide with a positioning groove; and the positioning grooves of the elastic plates are clamped to the positioning plates. The elastic sheet type assemblingmechanism for the lamp is of a split type structure and is simple and reliable in structure and stable in lamp body fixing, the lamp body disassembling and assembling are convenient, and the disassembling and assembling time is short.

The application relates to a bearing capacity detection device for a support structure of a jet fan in a highway tunnel, which includes a reaction force component for connecting with a pre-embedded steel plate of the jet fan, and a pressure component for abutting against the top wall of the tunnel is arranged on the reaction force component. The reaction force component includes a beam and a connecting piece for fixing on the embedded steel plate. The connecting piece is provided with a support rod. The two ends of the beam are symmetrically provided with threading seats. The support rod connection on the group of embedded steel plates. The reaction force component of the present application is connected with two groups of embedded steel plates at the same time, and the bearing capacity of the two groups of embedded steel plates can be tested at the same time through the pressurization of the pressurizing component, the detection efficiency is high, and the construction period is short.

The invention discloses a large-specification bearing dismounting and mounting device capable of improving the dismounting and mounting efficiency. The large-specification bearing dismounting and mounting device comprises main beams, a force application device, an auxiliary beam, vertical plates and base frames. The vertical plates are arranged on the two sides of the base frames. The vertical plates are inserted into through grooves of vertical columns of the base frames, and the vertical plates are in clearance fit with the through grooves. The main beams are arranged at the two ends of the vertical plates respectively. The auxiliary beam is arranged on the vertical plates and between the main beams and the base frames. The force application device is arranged on the side face, close to the auxiliary beam, of one main beam, wherein the bottom of the force application device and the side face of the main beam are in support fit. The main beams and the auxiliary beam are inserted into rectangular holes of the vertical plates respectively, and the main beams and the auxiliary beam are in clearance fit with the rectangular holes. The structure in which the beams and a hydraulic jack are matched is adopted, bearings are reversely ejected out through thrust of the hydraulic jack, and a shaft is pushed out from the rear end of a roller through the thrust of the hydraulic jack. The large-specification bearing dismounting and mounting device is simple in structure, convenient to use, reliable in work, high in universality and capable of improving the dismounting and mounting efficiency of large-specification bearings conveniently.

The invention provides a mixer crystal four-dimensional high-precision adjustment mechanism, and relates to a high-throughput large-caliber high-precision optical element frequency conversion device. The mixer crystal four-dimensional high-precision adjustment mechanism is used for achieving four-dimensional high-precision adjustment of a mixer crystal in narrow space in a frequency conversion module in an inertial confinement laser nuclear fusion device in China. According to the mixer crystal four-dimensional high-precision adjustment mechanism, a mixing mechanism is arranged in a frequency multiplication box body, the lower end of a deflection angle modulation frame is arranged in a pitching adjustment frame in a rotating mode, the side walls of a mixing spacing adjustment rack are arranged on the lower portions of the side walls of the pitching adjustment frame in a rotating mode, a polarization state adjustment frame is inlaid on the end surface of the deflection angle modulation frame, a mixing gap adjustment base is arranged below the mixing spacing adjustment rack, a mixing horizontal moving adjustment mechanism is arranged between the mixing gap adjustment base and the mixing spacing adjustment rack, and a polarization state adjustment mechanism is arranged on the polarization state adjustment frame. The mixer crystal four-dimensional high-precision adjustment mechanism is used for posture adjustment of the mixer crystal.