48results about How to "Save installation and removal time" patented technology

Disclosed is a photovoltaic array using a photovoltaic module integrated board. The photovoltaic array using the photovoltaic module integrated board comprises at least two cross beams and at least two photovoltaic module integrated boards, the included angle between vertical axes of the at least two cross beams is smaller than 15 degrees, included angles between the vertical axis of at least one cross beam and vertical axes of the at least two photovoltaic module integrated boards are not smaller than 30 degrees and not larger than 150 degrees, and the total area of all photovoltaic module integrated boards supported by at least one group of cross beams is larger than 12 square meters. According to the photovoltaic array using the photovoltaic module integrated board, the design of sharing of cross beams, upright columns and foundation is used, materials and installing work hours are saved, and costs are greatly reduced.

The invention discloses an inner wall detection aluminum plate connecting device free of tool mounting and dismounting, belongs to the technical field of aluminum plate installing and aims at solvingthe technical problems that the aluminum plate connecting procedure is complex, the quality is poor, efficiency is low and cost is high. According to the adopted technical scheme, the inner wall detection aluminum plate connecting device structurally comprises an aluminum plate, at least two first connecting corner braces are arranged at one end position of the aluminum plate in the length direction, a first connecting lug plate is arranged at the other end of the aluminum plate, and the first connecting corner braces and the first connecting lug plate are provided with long-strip-shaped holes; at least two second connecting corner braces are arranged at one side position of the aluminum plate in the width direction, a second connecting lug plate is arranged on the other side of the aluminum plate, and the second connecting corner braces and the second connecting lug plate are provided with long-strip-shaped holes; a plurality of evenly-arranged grooves are formed in the two sides of the long-strip-shaped holes; elastic connecting structures are arranged in the long-strip-shaped holes and are matched with the grooves in a clamping and connecting manner, and the elastic connecting structures are used for connecting between two adjacent aluminum plates.

Provided is a floating raft type photovoltaic array which comprises at least three photovoltaic component integrated plates. Area of the photovoltaic array is larger than ten square meters. Sides of at least two photovoltaic component integrated plates contact ground. Length of at least three photovoltaic component integrated plates is larger than three meters. The photovoltaic array is designed to be a floating raft type as a whole, application of foundation can be greatly reduced and even foundation is not applied so that construction time is saved and system cost is reduced.

The invention relates to the field of sensors and relates to an optical sensor. The optical sensor comprises a shell, a mounting mechanism, a connecting mechanism, a sealing mechanism, an elastic mechanism and a sealing plug; the mounting mechanism is arranged in the shell; the mounting mechanism comprises a mounting groove, a through opening, an optical sensor body, pins, a cover plate, a first buffer pad, a second buffer pad and a third buffer pad; the mounting groove is formed in the shell; the through opening is vertically formed in the side wall of the lower side of the shell and is communicated with the interior of the mounting groove; the optical sensor body is located in the mounting groove; the pins are fixedly installed at the lower end of the optical sensor body and penetrate through the through opening; the cover plate is connected to the opening of the mounting groove; and the first buffer pad is fixedly connected to the side wall of the lower side of the cover plate and abuts against the side wall of the upper side of the optical sensor body. The optical sensor provided by the invention has the advantages of good buffer effect and long service life.

The invention provides a lower hinge structure and a refrigerator. The lower hinge structure comprises a first portion and a second portion, wherein the first portion is located on the bottom surface of the refrigerator, the first portion is provided with a demising notch arranged for a first fixing part, the first fixing part is arranged at the position, corresponding to the demising notch, of the bottom surface of the refrigerator, and the first fixing part is matched with the refrigerator through the demising notch to fix the first portion on the bottom surface of the refrigerator; the second portion is connected with the first portion, the second portion is matched with a door sheet of the refrigerator through a rotation shaft so that the door sheet can be rotated through the rotation shaft. According to the technical scheme of the lower hinge structure and the refrigerator, a hinge can be disassembled without raising backwards the refrigerator, a user can change the door opening direction more conveniently, meanwhile, the number of fixing parts on the lower hinge is reduced, the time of assembling and disassembling is saved, and the problems such as losing and neglected loading caused by the fact that the fixing parts with small volume are too many are avoided.

The invention discloses a fixing device for computer block chain computing equipment, which comprises a bottom plate, mounting grooves are symmetrically formed in the top of the bottom plate, sliding rods are fixedly mounted in the mounting grooves, sliding blocks symmetrically and slidably sleeve the outer parts of the sliding rods, and first elastic pieces symmetrically sleeve the outer parts of the sliding rods. The pair of first elastic pieces are arranged on the sides, away from each other, of the pair of sliding blocks correspondingly, a first movable seat is fixedly installed at the tops of the sliding blocks, a connecting rod is rotatably installed in the first movable seat through a first rotating shaft, and a second movable seat is rotatably installed at the top of the connecting rod through a second rotating shaft; according to the device, equipment can be rapidly fixed, meanwhile, the equipment can be conveniently and rapidly disassembled, a large amount of mounting and disassembling time is saved, dust removal can be conducted on equipment connecting holes of the equipment while the equipment is fixed, the use requirement is met, and the device is worthy of being used and popularized.

The invention discloses a reach type safety buffer fork lift truck easy for replacement of an oil tank. The reach type safety buffer fork lift truck comprises an oil tank fixing structure, a door lock safety device, a reach buffer device and a connecting pin shaft structure. According to the reach type safety buffer fork lift truck disclosed by the invention, a fixing structure of the oil tank is more convenient and reasonable; during mounting, fasteners such as bolts and nuts are not needed; during dismounting, the oil tank can be quickly dismounted without using a tool, so that the mounting and dismounting time of the oil tank is greatly saved, and the maintenance and the repair of the oil tank are facilitated; and a power system of the reach type safety buffer fork lift truck can be automatically cut off when a truck lock is positioned in an opening state, so that unexpected conditions are prevented, the safety of operators is effectively guaranteed, the shake of a door frame in the moving process of the door frame can be reduced, and the safety of persons and goods is fully guaranteed. The reach type safety buffer fork lift truck is simple and practical in structure and is convenient in maintenance and reformation; a connecting shaft pin can be automatically and forcibly lubricated; wear resistance is higher, and the maintenance and the repair are realized more conveniently and quickly; the reach type safety buffer fork lift truck is long in service life and is not easy to damage, and facilitates the popularization and the application; and the maintenance and repair cost is effectively reduced.

The invention discloses an air supply system and a construction method thereof. The air supply system comprises an air distribution pipe connected on the floor, an air supply slit arranged under the air distribution pipe, a modular air duct unit connected under the floor, The air duct unit connected to one side of the modular air duct unit and close to the end of the air supply slit is blocked, and the air outlet duct arranged on the other side of the modular air duct unit and away from the end of the air supply slit is blocked. The present invention facilitates the adjustment of the fluidity and temperature and humidity of the local air in the field through the setting of the modular air duct unit; and through the modular setting, it is beneficial to adapt to on-site assembly and transportation during the process; through the setting of the protruding joints on the outer side of the column The setting of the groove joints at both ends of the beam and the beam is conducive to the clamping between the two, which is suitable for mass production and saves installation and disassembly time; through the setting of the top bracket and the top interface, it is beneficial to support and facilitate on-site assembly and adjustment; through the air duct The setting of the unit blockage forms a static pressure bellows in the lower wind corridor.

The invention relates to an airplane brake pedal displacement sensor electrical adjustment method. The method comprises the following steps: for a pilot, sending an adjustment need instruction to a brake control unit through a central maintenance system, and under the premise that a brake pedal displacement sensor does not have fault, carrying out "zero-journey" and "full-journey" two rounds of collection; carrying out comparison on the collected two rounds of data, and if the value is within an error range, serving and recording the value as a new electrical journey start point and end point;and feeding back the new electrical journey start point and end point to a brake control system to calculate brake pedal displacement correction amount. The method can greatly improve consistency ofoutput signals of all channels of a multi-redundancy brake pedal displacement sensor, so that consistency of airplane wheels of an airplane is greatly improved, and the problems of airplane yaw, overheating of some brake devices and large wear difference of brake discs and the like are effectively prevented; and meanwhile, mounting and dismounting time of the brake pedal displacement sensor is reduced, and maintenance cost of the brake system is reduced.

The invention discloses a refrigerator combined door body foaming mold. The refrigerator combined door body foaming mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper clamping plate and an upper mold plate fixed to the upper clamping plate, the lower mould comprises a lower clamping plate and a lower mold plate fixed to the lower clamping plate, and an upper mold core is arranged on the upper mold plate and is connected to the upper mold plate through a locking tool; the lower mold plate is provided with a lower mold core and is connected to the lower mold plate through a pressing and positioning mechanism, a long kidney-shaped groove is formed in the lower mold plate, and a plurality of positioning notches used for positioning lower mold cores of different lengths are formed in the long kidney-shaped groove. By means of the refrigerator combined door body foaming mold, a series of door bodies different in length but the same in width can be used on the mold, the cost of multiple times of mold opening is saved, operation is convenient, production efficiency is high, the workload is lightened for workers, labor intensity is relieved, and production cost is effectively reduced.