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176results about How to "Reduce horizontal width" patented technology

Railway locomotive vehicle braking clamp unit

The invention belongs to the field of railway locomotive vehicle braking technologies, and relates to a railway locomotive vehicle braking clamp unit. The clamp unit comprises a box body, a braking cylinder, a braking force multiplication mechanism, braking clamp arms, a buffering device and a brake lining gap adjustor, wherein the braking cylinder is fixedly connected with the box body, a reset taper spring is located between a cylinder cover of the braking cylinder and a diaphragm plate, an eccentric shaft and a connecting rod form an eccentric shaft type lever, the driving braking clamp arm is hinged to the eccentric shaft, the driven braking clamp arm is hinged to the box body, the force bearing end of a lever hook and the end of a connecting rod of the braking force multiplication mechanism are spaced with a certain distance, the force applying end of the lever hook is connected with a push rod, and the buffering device is located between the box body and the force bearing end of the lever hook. The transverse width of the braking clamp unit is small, the piston diameter and the multiplying power of the clamp arms are reduced, the requirement of a spring stopping braking cylinder for an energy accumulating spring is lowered, and the size of the railway locomotive vehicle braking clamp unit is reduced. The railway locomotive vehicle braking clamp unit is wide in application range, high in modularization degree and complete in function.
Owner:CRRC QINGDAO SIFANG ROLLING STOCK RES INST +1

Plane rotation construction technique for steel truss girder for existing bridge spanning construction

The invention discloses a plane rotation construction technique for a steel truss girder for existing bridge spanning construction. A main girder of the constructed bridge is a steel truss girder spanning the existing bridge and obliquely crossing with the existing bridge; the technique comprises the following steps: firstly, constructing a high-altitude steel truss girder assembling platform which comprises a temporary buttress and a plurality of temporarily assembling brackets; secondly, assembling the steel truss girder at high altitude and removing the temporarily assembling brackets; thirdly, installing a steel truss girder rotation positioning device and a slippage system; before rotating the steel truss steel, firstly installing the steel truss girder rotation positioning device and the slippage system; fourthly, conducting plane rotation on the steel truss girder; and fifthly, dropping the girder in place. The construction technique is simple in steps, convenient to construct, fast to construct, safe and reliable in construction process and less in interference on the existing bridge, and can effectively solve the problems that the construction field is limited, the construction can not be normally conducted, the travelling interference on the existing bridge is large, the construction risk and hidden hazard are large and the like in construction with the existing in-situ falsework method and the dragging method.
Owner:NO 1 ENG LIMITED OF CR20G

Elevator assembled by utilizing combination type derrick

InactiveCN102060222ASave the trouble of civil constructionFlexible assemblyElevatorsBuilding liftsEngineeringWork time
The invention discloses an elevator assembled by utilizing combination type derricks, relating to hoisting equipment. A hoistway wall of the elevator is formed by assembling more than two derricks, wherein each derrick comprises stand columns, a door beam, a front beam, a back beam, a left beam, a right beam, a cage guide rail and a counter-weight guide rail, wherein the four stand columns are distributed at four corners of the derrick, and connection seats are horizontally and fixedly arranged at the top end and the bottom end of each stand column and provided with connection holes; two ends of the door beam, the front beam, the back beam, the left beam and the right beam are transversely and respectively connected with the stand columns; and the cage guide rail and the counter-weight guide rail are respectively installed in the middle parts and the inner sides of the back ends of the left beam and the right beam. Because the derricks can be produced in a standardized way in a factory and assembled on site, the working time limit can be shortened, the cost can be lowered, the manufacturing cost can be reduced, and the installation efficiency and quality can be improved; and because the derricks are matched with an up-down door-opening and closing mechanism, the influence of the installed elevator on ventilation and daylighting of a household can be reduced. The elevator assembled by utilizing the combination type derricks is mainly used for places of low storey dwelling houses, in particular to the old style low storey dwelling houses of less than 9 storeys.
Owner:张向阳

Electric welding machine with excellent radiating function

The invention relates to an electric welding machine with an excellent radiating function. The electric welding machine comprises an electric welding machine outer shell. Radiating ports are formed in the front side face of the electric welding machine outer shell. Protective nets are mounted on the outer surfaces of the radiating ports. A handle is mounted on the upper surface of the electric welding machine outer shell. A pull rod storage groove is embedded in the upper surface of the electric welding machine outer shell. The front side face and the rear side face of the electric welding machine outer shell are provided with radiating holes. An electrode holder hanging groove is connected with the rear side face of the electric welding machine outer shell. An electric wire storage groove is mounted in the right portion of the electrode holder hanging groove. A storage groove cover is connected with the outer side of the electric wire storage groove. A rainproof groove is formed in the right side face of the electric welding machine outer shell. A control panel is mounted in the rainproof groove. The electric welding machine with the excellent radiating function adopts the design of the radiating ports, a water cooling structure, rolling wheels, a pull rod, the pull rod storage groove, a supporting plate and the rainproof groove, heat can be dissipated conveniently, electric leakage of the electric welding machine can be avoided, and heat can be prevented from being accumulated in the electric welding machine.
Owner:安徽新兴翼凌机电发展有限公司

Unmanned aerial vehicle automatic battery replacing station

The invention discloses an unmanned aerial vehicle automatic battery replacing station. The unmanned aerial vehicle automatic battery replacing station comprises an unmanned aerial vehicle, and the unmanned aerial vehicle is provided with a detachable battery and two bearing rods located at the bottom of the unmanned aerial vehicle; a containing space is formed in a cabinet body, and an induction door assembly is arranged at the top of the cabinet body and can be automatically opened after inducting an unmanned aerial vehicle; a parking apron is arranged in the containing space in a liftable mode and used for bearing the unmanned aerial vehicle; an unmanned aerial vehicle centering device is arranged on the parking apron, and the unmanned aerial vehicle centering device is used for centering and positioning the unmanned aerial vehicle through the bearing rods; and a battery access platform and a battery taking device are oppositely arranged in the containing space. According to the unmanned aerial vehicle automatic battery replacing station of the invention, automatic centering of the unmanned aerial vehicle can be realized, a consumed battery can be automatically replaced with a fully-charged battery, and the fully-charged battery is sent to the unmanned aerial vehicle, the whole process is fully automatically completed, the replacement speed is high, the precision is high, the consumed battery can be charged, cyclic utilization of the battery is realized, thus, the unmanned aerial vehicle automatic battery replacing station has high practicability and popularization value.
Owner:江苏阳铭互联智能系统有限公司

Four-degree-of-freedom hip joint exoskeleton walking aid robot based on flexible driving

The invention discloses a four-degree-of-freedom hip joint exoskeleton walking aid robot based on flexible driving. The four-degree-of-freedom hip joint exoskeleton walking aid robot based on flexibledriving comprises a four-degree-of-freedom joint degree degree configuration module, a size adjustment module, a human-computer interaction module, a sensing system module and waistband plates, the size adjustment module comprises a waist adjustment mechanism and a leg adjustment mechanism, the waistband plates are symmetrically arranged at the two ends of the waist adjustment mechanism, the four-freedom-degree joint freedom degree configuration module is movably connected to the bottoms of the side faces of the waistband plates, the human-machine interaction module comprises a waist connecting mechanism and a leg connecting mechanism, the waist connecting mechanism is movably connected to the tops of the side faces of the waistband plates, the leg adjustment mechanism is connected to thebottom of the four-freedom-degree joint freedom degree configuration module, and the leg connecting mechanism is arranged at the bottom of the leg adjustment mechanism. The four-degree-of-freedom hipjoint exoskeleton walking aid robot based on flexible driving has good human-computer interaction wearing performance, can reduce the walking burden of a human body, and has good safety performance and stationary performance.
Owner:HEFEI UNIV OF TECH
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