10results about How to "Layout science" patented technology

The invention relates to the field of guardrail welding machining, and provides a double-end guardrail laser welding machine which comprises a guardrail weldment fixing mechanism arranged at the top of a horizontal rack. The laser welding device comprises two groups of five-axis servo modules, a laser and a laser welding head; the two five-axis servo modules of the same structure are symmetrically arranged on the left side and the right side of the horizontal rack, and each five-axis servo module comprises an X-axis servo module, a Y-axis servo module, a Z-axis servo module and a bidirectional servo rotating mechanism. And the welding wire feeding mechanism is arranged on the Z-axis servo module. The multi-dimensional arc welding device is characterized in that each laser welding head has five motion dimensions under the clamping of two groups of five-axis servo modules, and is compatible with a multi-dimensional arc welding function; an integral structure is adopted, so that the structure is stable, the integral structure does not shake during high-speed operation, and the working efficiency is high; the welding wire feeding mechanism is arranged on the Y-axis servo module and synchronously moves with the laser welding head in the three-dimensional space, and welding wire supply is stable and smoother.

The invention discloses a moving platform for a robot to weld a circular seam of an inclined shaft pressure steel pipe, and belongs to the technical field of metal welding. Comprising a horizontal platform arranged in multiple layers, a lower support for supporting the horizontal platform, trundles which are installed on the lower support and walk along the inner wall of a pressure steel pipe, and a traction locking device for connecting the pressure steel pipe and the horizontal platform. The horizontal platform is arranged in an up-and-down staggered mode and is composed of a top-layer platform, a middle-layer platform and a lower-layer platform. The outer edge of each layer of platform is in a beveled oval shape matched with the inner wall of the pressure steel pipe, and a ladder stand is arranged between the layers. According to the invention, the step-shaped multi-stage platforms with different heights are arranged, so that an operator is in the best working position and observation angle, undesirable phenomena such as non-fusion of a welding seam or slag inclusion are avoided, and the welding quality is improved; and the device moves in the pressure steel pipe and can quickly move to other circular seam working positions, so that the operation is more efficient and convenient.

The invention relates to a substation monitoring camera layout site design method, which comprises the following steps of: constructing a substation virtual space model, and simplifying a virtual three-dimensional space into a plane coordinate system; the obtained vertex coordinates of all the devices serve as a device vertex coordinate set, and line segments, obtained through projection, of all the devices serve as a device line segment set; calculating visual areas corresponding to all vertexes in the equipment vertex coordinate set, calculating a visual area of each line segment in the equipment line segment set, and obtaining a visual area set of all equipment line segments; and taking an intersection of the visual areas of all the line segments according to the visual area set of all the equipment line segments, counting according to the overlapping number of the visual areas, and arranging cameras according to the count of each area. The problems that in the prior art, due to the fact that cameras arranged according to manual experience have view blind areas, monitoring loopholes occur, the view of the cameras is repeated, information transmission channel resources are occupied, and serious asset waste is caused are solved.

The utility model relates to the field of furniture storage, especially pull out formula student bed under storage cabinet, including bedstead, the one side of bedstead is open design, and the rest side surface is equipped with guardrail, the open side of bedstead is provided with ladder. The drawer structure adopts the mode that big drawer and small drawer are combined, wherein big drawer is arranged symmetrically, is suitable for storing bedding, overcoat and other bulky or heavy articles, small drawer is evenly distributed on its upper portion along a straight line, and small articles such as books, stationery, close-fitting clothes are conveniently classified and stored, the overall layout is scientific, and the under-bed space utilization rate is significantly improved, in addition, the small drawer is internally provided with detachable baffle and plugboard structure, by adjusting the position of plugboard insertion different slot, the drawer internal space can be freely divided according to article size and use demand, the applicability and individuality degree of storage cabinet are enhanced, and the diversified storage demand is satisfied.

A central flue system of a building includes range hoods installed on different floors, the air outlet of each range hood is connected to a common flue through its own smoke pipe, an air outlet channel vertically connected to the outlet of the common flue is installed on the roof, and the characteristics are: the diameter of the air outlet channel is larger than the diameter of the common flue, at least two independently working flue fans are installed in the air outlet channel, and the flue fans are arranged near the inner wall of the air outlet channel and avoid the airflow discharged from the common flue outlet. The advantages of the present invention are: the outdoor smoke exhaust power of the central flue system of the building adopts a combination of multiple fans, the flue fans are arranged near the inner wall of the air outlet channel and avoid the airflow discharged from the common flue outlet, the arrangement of the fans is more reasonable and scientific, and can be suitable for various complex installation environments, the system has a small smoke exhaust resistance, the system has a higher smoke exhaust efficiency and energy saving, the system has a higher reliability, and the fan has a longer life.

The invention discloses an intelligent test device for an anti-tripping loop of a circuit breaker. The intelligent test device comprises a first technical contact, a second technical contact, a power supply control contact, a closing contact, a tripping contact, a test button, a bottom plate, a power supply module and a control module, the control module is mounted on the left side of the bottom plate; the power module is mounted on the right side of the bottom plate; the first technical contact, the second technical contact, the power supply control contact, the closing contact, the tripping contact and the test button are respectively connected with the control module; and the power supply module is connected with the control module. According to the invention, the function integrity of anti-tripping loops in different forms can be tested, and when the switching-on of a manual or automatic device is abnormal, the circuit breaker can be effectively prevented from generating an abnormal phenomenon, and the safe and stable operation of the circuit breaker can be ensured.

This invention relates to the field of cable harness assembly manufacturing technology, specifically disclosing a cable harness assembly manufacturing device and process, including a production frame. Feeding and mounting frames are fixedly installed on both sides of the top of the production frame, and a pressing and fixing frame is fixedly installed in the middle of the top of the production frame. Through the symmetrically arranged wire conveying components and crimping processing components on both sides, various production modes such as single-end crimping, simultaneous crimping at both ends, and continuous alternating crimping can be flexibly realized. During wire conveying, multiple clamping structures and synchronous transmission design ensure accurate positioning and stable conveying of multiple wires, avoiding the impact of conveying displacement on crimping accuracy. The stripping and twisting processes are integrated into the same processing component. Through the coordinated operation of ring cutting, straight cutting, and rotary twisting, precise control of the stripping size and reliable twisting of the copper wires are achieved, completely solving the short-circuit hazard caused by exposed loose wires, while ensuring the consistency of crimping end processing.

The utility model discloses a floor prefabricated part pre-embedded wire box, which belongs to the field of constructional engineering and comprises a fixed wire box body and a wire box cover. The wire box cover is detachably installed on the fixed wire box body. Wherein a plurality of groups of wire pipe joints are arranged on the outer surface of the wire box cover; according to the technical scheme, an existing integrated pre-embedded wire box is designed into a fixed wire box body and a wire box cover, the fixed wire box body is pre-embedded in a floor according to the design, the wire box cover with the corresponding number of wire pipe joints is selected when wire pipes are laid, the wire box cover is installed according to the actual line laying requirement, and the fixed wire box body and the wire box cover are fixed. According to the utility model, the bending radius and the connection quality of the wire pipe are met, the problem that the box connection direction of the fixed wire box cannot be changed is solved, the box connection direction can be rotated at will according to needs, wire pipe connection is facilitated, the wire pipe blocking risk is reduced, the building engineering quality is improved, and the building construction cost is reduced.

The invention discloses a practical method for classified layout of cable forces of a cable-supported bridge based on dual objectives, comprising the following steps: a. dual objective selection of cable safety reserve redundancy and structural robustness; b. practical classification into three categories of flexible long cables, rigid short cables and cables of medium length; c. dual objective layout implementation method of cable forces of the three categories of cables, wherein the rigid short cables mainly consider the safety reserve redundancy analysis method to judge whether the safety of the cables themselves meets the requirements of the specifications; the flexible long cables mainly consider the structural robustness analysis method to compare the vulnerable and weak characteristics of different cables; the cables of medium length respectively consider the safety reserve redundancy and structural robustness analysis methods, and comprehensively select the most unfavorable design; the invention can more specifically take into account cables of different lengths and different positions of cable-supported bridges, implement more targeted cable force layout for cables of the same length and different positions, maximize the safety of the cables themselves, reduce the loss of vulnerable and weak cables and their accessory devices, and make the cable force layout more scientific.

An engine cooling circulation system includes an engine cylinder block and a cylinder head disposed at the top of the engine cylinder block, a thermostat is disposed at the front end of the cylinder head, and a water pump for providing power for the coolant in the engine cooling circulation system. A main cooling circuit and a secondary cooling circuit are formed in parallel from the water outlet cavity of the water pump. The main cooling circuit passes through the cylinder block coolant circuit and the cylinder head coolant circuit of the engine, and then returns to the water pump water inlet cavity through the thermostat valve seat water inlet cavity or returns to the water pump water inlet cavity after cooling through the water tank after the thermostat; the secondary cooling circuit is divided into two parallel branches after passing through the corresponding bypass pipe, one of which is the EGR valve cooling branch, and the other is the EGR cooler cooling branch. The parallel connection mode has a simple structure, a short pipeline, and a small resistance along the way; the head requirement of the water pump is low, and the volume of the water pump can be reduced, so that the structure is compact and the energy consumption is reduced.