33results about How to "Comprehensive overhaul" patented technology

The invention provides an aluminum alloy hub local repair treatment tool clamp. The aluminum alloy hub local repair treatment tool clamp comprises a base, a bearing table and a locking mechanism, thebearing table is installed at the upper end of the base, the locking mechanism is installed on the bearing table, and the locking mechanism comprises a positioning cylinder, an adjusting rod, a fixingrod, a moving rod, a locking plate, a guide column, a lifting block, a lifting rod, a driving rod and a connecting ring; and the locking plate comprises a supporting plate, a contact plate, a guide rod and a pressing block. The size of the clamp can be adaptively adjusted according to the actual size of a hub, various work requirements are met, the relative positions of the hub and the clamp canbe adjusted without detaching the whole hub in the overhaul process, the detection comprehensiveness is guaranteed, and the situation that the damaged position of the hub is shielded by the clamp andcannot be maintained in time is avoided, and meanwhile the burden of workers is reduced.

The invention relates to an inspection and repair line and method for a bumper of a coupler of a motor train unit. The inspection and repair line comprises a buffer for repair, a resolving and check area, a flaw detection area, a painting make-up area, an assembling test area and a qualified product storing area, wherein a plurality of dimensional storage racks are arranged in the buffer for repair; a resolving workbench, a coupler buffer resolving device, a coupler head resolving device, a bumper crushing pipe press-mounting machine and a bumper press-mounting machine are arranged in the resolving and check area; a flaw detection workbench, a measurement workbench and a mobile magnetic particle inspection machine are arranged in the flaw detection area; a painting make-up workbench and a temporary storage rack are arranged in the painting make-up area; an assembling workbench, a bumper assembling device, a bumper crushing pipe press-mounting machine, a coupler head assembling device, a coupler buffer assembling device and a coupler coupling testboard are arranged in the assembling test area.

The invention discloses an inspection and maintenance device for an industrial robot, which comprises an inspection table, a support frame is welded at the bottom of the inspection table, a mounting plate is fixedly connected to the inner side of the support frame, and a scissor lift is fixedly installed on the top of the mounting plate. platform, the scissor lift platform runs through the maintenance platform, and both sides of the maintenance platform are fixedly connected with a first hinged seat, and a hydraulic cylinder is hinged on one side of the first hinged seat, and the hydraulic cylinder is far away from the first hinged One end of the seat is fixedly connected with a second hinged seat, an expansion board is hinged at the back of the inspection platform, and the expansion board is fixedly connected with the second hinged seat, and a drive slot is provided on the front of the inspection platform. The invention solves the problem that because the robot is difficult to move, maintenance personnel need to walk back and forth during maintenance, and the area of ​​the maintenance platform cannot be changed. When the robot for maintenance is large, the robot cannot be placed on the platform, which affects the maintenance problems with work.

Double pontoon type ecological water intake folding gate and its working method, operation method during maintenance, including gate A, gate B, gate C installed in the sluice chamber and pontoon chambers fixed on both sides of the sluice chamber, and gate B is located in gate A Between gate C, gate A and gate B, gate B and gate C are restricted and coordinated with each other through L-shaped components; the side of the buoyant chamber facing the direction of water flow is provided with a water inlet, and the bottom of the side facing away from the direction of water flow A water outlet is provided, and a buoyancy box is arranged in the buoyancy box chamber, and the two buoyancy boxes are respectively fixedly connected to the top of the gate A through straight rods, and the two side walls of the lock chamber are respectively provided with vertical chutes for the straight rods to pass through and lift. The invention is simple in structure, in normal working state, without external power and special personnel operation control, it is completely automatically regulated by the upstream water situation, compared with the general gate, it has the characteristics of saving manpower and material resources, and is convenient to use, and the gate realizes unattended operation run.

The invention provides a boiler overhaul device suitable for a workshop of a thermal power station, and relates to the technical field of boiler overhaul. The boiler overhaul device suitable for a thermal power station workshop includes a furnace body. Guide rails are fixedly installed on the outer periphery of the upper and lower sides of the furnace body. The outer periphery of the guide rail is provided with a chute, and the inner side of the chute in the guide rail is rollingly connected There are balls, and an upper mounting plate and a lower mounting plate are slidably connected to the outer periphery of the guide rail respectively, and the inner sides of the upper mounting plate and the lower mounting plate are fixedly installed with a limiting plate. The boiler overhaul device suitable for the workshop of thermal power station enables the staff to climb upwards on the periphery of the boiler, which is more labor-saving and safe, and can directly face the surface of the boiler, which is convenient for overhauling the surface of the boiler and can be close to all parts of the boiler. The outer surface avoids the construction of scaffolding, which saves time and effort. After use, the pedal will fold and shrink to the left again, reducing the occupied area.

The invention relates to the technical field of generator set testing, in particular to a device for checking the fuel injection status of a fuel injector in a generator set target test, including a high-pressure ball head oil pipe and an oil pump, and one end of the high-pressure ball head oil pipe is connected to the fuel injector through a hollow oil pipe bolt The position of the oil plug; the oil outlet end of the oil pump is connected to the other end of the high-pressure ball head oil pipe, and the pipeline at the oil inlet end of the oil pump leads into the machine oil. A method for inspecting the fuel injection status of a fuel injector in the target shooting test of a generator set, using the aforementioned device for checking the fuel injection status of the fuel injector in the target shooting test of a generator set. This patent can conveniently check the fuel injection status of the fuel injector when the machine is not turned on, which can greatly avoid the problem of the fuel injector causing the unit to pull cylinders, and greatly promote the comprehensiveness of maintenance and the reliability of the equipment.

The invention relates to a climb ladder, in particular to a climb ladder for overhaul of water conservancy equipment. The climb ladder for overhaul of the water conservancy equipment is convenient touse. The climb ladder for overhaul of the water conservancy equipment comprises a base, a universal wheel, a position adjusting mechanism, a moving plate, a ladder body, a fixing mechanism, a placingmechanism and a supporting mechanism. The universal wheel is fixedly connected to the end of the base. The position adjusting mechanism is fixedly connected to the top of the base. The moving plate isin transmission connection with the output end of the position adjusting mechanism, and a groove is formed in the top of the moving plate. The moving plate is hinged to the end, close to the universal wheel, of the ladder body, and the supporting mechanism is hinged to the other end of the ladder body. The fixing mechanism is fixedly connected to the end, close to the universal wheel, of the moving plate. The climb ladder for overhaul of the water conservancy equipment achieves the effect of being convenient to use.

An embodiment of the present invention provides a method for opening a shield machine under normal pressure. The method for opening a shield machine under normal pressure includes the following steps: setting a plurality of hollow piles arranged at intervals along a preset direction at a preset opening position, Among them, the preset direction has an included angle with the tunneling direction of the shield machine; the shield machine tunnels to the preset opening position, and the cutter head of the shield machine extends into multiple hollow piles; the multiple hollow piles are located on the outermost side The two hollow piles are respectively the first hollow pile and the second hollow pile, and the orthographic projection of the front end face of the cutter head along the direction parallel to the axis of the hollow pile has a first part located in the first hollow pile and a first part located in the second hollow pile. In the second part, the length of the first part is different from the length of the second part; open the warehouse at normal pressure. The opening of the shield machine under normal pressure has high safety, and there is enough room for movement to carry out the inspection and maintenance of the shield machine.

The present application relates to the field of PCB technology, in particular to a high thermal insulation page-turning PCB module, which includes a plurality of PCB boards and a support. Each of the PCB boards is slidably sleeved on the arched guide rod, two adjacent PCB boards are stacked and placed, and each PCB board can slide along the arched guide rod from one side of the arched guide rod to the opposite side; a plurality of downwardly protruding legs are evenly arranged around the PCB board to form a gap between two adjacent PCB boards, and the downward cross-sectional area of ​​the legs gradually decreases. The high heat insulation page-turning PCB module provided by the application is very convenient for maintenance; secondly, the stacked PCB boards are separated by feet, and the cross-sectional area of ​​the feet downwards gradually decreases, under the premise of ensuring the support strength The contact area of ​​the heat conduction surface is greatly reduced, the heat conduction speed is reduced, and the heat insulation effect is enhanced.

The invention discloses a dual-motor power synthesis device for driving an electric vehicle, specifically relates to the technical field of electric vehicle transmission, and comprises a front rod and a front wheel. Two sets of front wheels are fixedly connected to both sides of the front rod. The present invention is provided with crawler belt, first bearing, first gear, variable speed motor and third gear, and when the device is started, it uses variable speed motor, first gear and third gear to drive the rolling of the front wheel and rear wheel, and needs to change speed At the same time, only need to control the two groups of variable speed motors to synchronously shift to a certain value, and the speed change of the vehicle can be realized. The variable-speed motor on one side can be turned off, and only the variable-speed motor on the other side can be turned on. The whole process can be completed by controlling the motor. It is simple and easy to operate, and solves the inconvenience of variable speed and steering in the existing dual-motor synthesis device. question.

The invention discloses a linkage type three-step self-detection punching device, which comprises a frame, a leakage hole is opened at the center of the top of the frame, and a control device is embedded and installed at the position corresponding to the side of the leakage hole at the top of the frame. Switch, the top of the frame corresponds to the position of the side of the control switch with a display screen embedded. The structure of the present invention is scientific and reasonable, and it is safe and convenient to use. Through the provided feeding hopper, support plate, support spring, LED light and contact switch, the punching The waste material falling behind the hole will pass through the leakage hole and fall on the support plate in the storage bucket, which can drive the LED light to connect to the power supply to remind the staff, so as to facilitate the quick cleaning of the waste material stored in the storage bucket. The crank handle, rotating connecting rod, rotating disc, locking teeth and card holder can be shaken to adjust the angle of the electric stamping cylinder and the spare stamping cylinder, which is convenient for the staff to check the electric stamping cylinder and the spare stamping cylinder from multiple angles. Overhaul, overhaul is more comprehensive.

The invention discloses a locomotive vehicle intelligent maintenance system based on video identification. The system comprises an upper monitoring terminal and a movable video collecting device used for collecting video information of each maintenance object of a maintained locomotive vehicle; the movable video collecting device comprises a shell, a video capture device and an electric circuit board, and the electric circuit board is provided with a data processor, a video collecting unit and a clock circuit. According to the system, the structure is simple, the operation is easy and convenient, the using effect is good, and the maintenance process of the locomotive vehicle can be completed simply, conveniently and rapidly. Meanwhile, the invention further discloses a locomotive vehicle intelligent maintenance method. The method comprises the steps that 1, a maintenance task library is established; 2, the video information of the maintained object is collected, the maintenance records are synchronously uploaded, and the specific process comprises the steps of collecting and synchronously uploading vehicle number video information, identifying the vehicle number video information and collecting and identifying video information of a maintenance area; 3, objects which are left out in maintenance are judged. The method is simple, reasonable in design and convenient to achieve, the maintenance speed is fast, and the maintenance effect is good.

The invention relates to an auxiliary cable distribution box, in particular to a 10kV outdoor high-voltage cable distribution box and an installation method thereof. An upper part box body of the cable distribution box comprises a ladder-shaped box body, and a left box body and a right box body which are positioned at two shoulder parts of the ladder-shaped box body, wherein the left and right bodies are both in inverted right-angled triangle structures, and are hinged to the middle ladder-shaped box body to form a square box body; the ladder-shaped box body is detachably connected with the lower part box body; and cable connecting accessories are installed in the ladder-shaped box body in a longitudinally arrayed manner. When a cable is installed, the cable connecting accessories and the cable are installed on a rigid support of the lower part box body, and then the upper part box body is assembled with a cover plate. The 10kV outdoor high-voltage cable distribution box has the advantages that the 10kV outdoor high-voltage cable distribution box consists of three detachable movably-connected parts, is convenient to replace, detach and assemble, and is simple, flexible and convenient for construction, external impact is effectively resisted, normal running and working of the cable distribution box are guaranteed, and the technical effect that the inside of the cable distribution box can be operated, overhauled and maintained in an omni-directional manner is unexpectedly achieved.