37results about How to "Stable and safe installation" patented technology

The invention belongs to the field of overhead working, in particular to a mounting bracket for overhead working. The mounting bracket for overhead working comprises a bracket body, wherein the bracket body comprises a transverse supporting bracket and a side lying bracket which are vertically arranged mutually; a steering supporting device, a connecting seat used for connecting the steering supporting device and a locking device used for fixing an object to be mounted are arranged on the bracket body; the locking device comprises a tight rope connected between the transverse supporting bracket and the side lying bracket and a tensioning assembly which is arranged on the side lying bracket, connected with one end of the tight rope and used for tensioning the tight rope; and the tensioning assembly also comprises a rotation shaft arranged on the upper part of the side lying bracket, a crank arm which is arranged at both ends of the rotation shaft and rotated by taking the rotation shaft as a shaft core, a piston rod arranged on the lower part of the side lying bracket and a telescopic oil cylinder hinged with the lower end of the crank arm. The mounting bracket has the advantages of simplicity in structure, low cost, great flexibility, precise and sensitive control and good micromotion performance, and an overhead working machine can be applied to more environments and more fields.

The invention provides a four-degree-of-freedom magnetic suspension rotating cylinder. The four-degree-of-freedom magnetic suspension rotating cylinder comprises a threaded shaft, permanent magnet radial bearings, a bearing switching component, an outer rotating cylinder, a translational thrust bearing and a tray; the threaded shaft is supported on the inner wall of the outer rotating cylinder through permanent magnet radial bearings, the outer rotating cylinder can rotate relative to the threaded shaft, and the lower portion of the outer rotating cylinder is supported on the tray through thetranslational thrust bearing; inner magnetic rings of the permanent magnet radial bearings can move up and down along the threaded shaft through the bearing switching component, so that the relative positions of the inner magnetic rings and outer magnetic rings can be flexibly adjusted; and the translationsl thrust bearing can achieve radial horizontal displacement while bearing axial force, and the translational range is larger than or equal to the clearance range of the inner magnetic rings and the outer magnetic rings of the permanent magnet radial bearings so that the outer rotating cylinder can achieve stable suspension and rotation, and the outer rotating cylinder is not limited by the radial constraint of the translational thrust bearing. According to the four-degree-of-freedom magnetic suspension rotating cylinder, the novel magnetic suspension rotating cylinder is more convenient to install, the machining precision is reduced, and the bearing capacity is large; and the magnetic suspension rotating cylinder can adapt to various rotating speed working conditions and is suitable for supporting a rotary machine requiring radial contact-free, lubrication-free, high-speed and passive environments.

The invention belongs to the technical field of robot structures, and relates to a six-foot crawler-type parallel hydraulic building curtain plate mounting robot which is composed of a crawler-type moving platform, a mechanical six-foot assembly, a leg mounting frame, a mechanical large arm assembly, a hydraulic small arm assembly, a curtain plate terminal executing mechanism and a curtain plate. The mechanical six-foot assembly is installed on the leg mounting frame. The leg mounting frame is installed on the crawler-type moving platform, the mechanical large arm assembly is installed on the crawler-type moving platform, the hydraulic small arm assembly is installed on the mechanical large arm assembly, the curtain plate terminal executing mechanism is installed on the hydraulic small arm assembly, and the curtain plate is attracted to the curtain plate terminal executing mechanism. The curtain plate is grabbed by the curtain plate terminal executing mechanism through an air pressure sucker, so that the curtain plate is stably and effectively grabbed, the mounting cost is reduced, and the mounting efficiency is improved; the remote control over the robot can be achieved, the 5G data transmission technology is utilized, monitoring and action control over a building curtain plate installation construction site are achieved, and the installation process is more intelligent and efficient.

The invention discloses a port construction technology facilitating later maintenance. The technology comprises the following steps that 1, excavation preparation construction of a foundation trench is carried out; 2, the foundation trench is excavated; 3, rubble bed construction is carried out; 4, caisson construction is carried out; and 5, rear prism backfilling is carried out and installing anupper structure, wherein in the step 1, the width and depth of the foundation trench are determined through calculation and verification, a pump station is constructed at the edge of the excavation position of the foundation trench, after the pump station is established, cofferdam filling is carried out on a ferry at a port and a wharf to be overhauled, a steel plate pile is arranged, meanwhile, aconstruction passageway is constructed, in the step 2, the passageway is paved in the foundation trench for construction by utilizing rock ballast and other materials, and earth excavation is carriedout by utilizing a excavator. According to the technology, the later maintenance of the port is facilitated, the quality of port construction is effectively improved, and it is guaranteed that port construction can be carried out safely, stably and efficiently.

The invention discloses a method for installing direct-current cables in a wind turbine cabin. The method comprises the following steps: S1, respectively pulling heads of four cables from a cable ladder frame to a cabin guide pipe end to ensure that the cables have allowance below a machine side inverter end; S2, connecting a cable connector lug at a machine side inverter end with a busbar system,and installing an EMC clamp; S3, pulling cables to the cabin guide pipe end, completely pulling the redundant cables to pass through the guide pipe, and fixing the cables to a cable ladder assembly;S4, mounting EMC clamps on the cables and the corresponding cabin conduits, wherein the cables and the corresponding cabin conduits are connected through EMC bonding wires; S5, stripping an outer sheath of the cable, sleeving two layers of thermal shrinkage films on the exposed wire core, smearing sealant, and respectively installing seven-finger tapping joints; S6, installing a single-core clamping array, respectively pressing and clamping the seven wire cores, and then labeling; and S7, removing the thermal shrinkage film, mounting the roller sleeve and the safety bolt connector after cleaning, and dismounting the single-core clamping array after cleaning is completed. The method is simple, is easy for practical operation, and is high in the working efficiency.

The invention discloses a steel column lifting, welding and quick positioning device. The steel column lifting, welding and quick positioning device comprises four positioning steel plates which are mutually spliced into a rectangle, wherein each positioning steel plate comprises a primary steel plate and an auxiliary steel plate which can be partially inserted into the primary steel plate in a sliding mode, the end part, inserted into the primary steel plate, of the auxiliary steel plate is provided with locating pin holes in a vertical direction in a penetrating mode, a plurality of bolt holes which are matched with the locating pin holes are formed in upper and lower side surfaces of the primary steel plate, limiting bolts are arranged in the limiting pin holes and the bolt holes, and welding holes are formed in the primary steel plate and the auxiliary steel plate. The steel column lifting, welding and quick positioning device can regulate effective length of the positioning steelplates by regulating depth, inserted into the primary steel plate, of the auxiliary steel plates, so that precise positioning is realized; and during steel column lifting, the device can be utilized to position and splice, so that safe and stable mounting is realized, and mounting efficiency is improved.

The invention discloses an underground driving ball screw oil pumping machine, and belongs to the technical field of walking-beam-free oil pumping machines. A motor, a well mouth big cross, a ball screw drive assembly and an oil pumping rod are included. The ball screw drive assembly comprises a ball screw, a bearing, a nut, an oil pipe, a casing pipe, an upper seal sleeve, a lower seal sleeve, arotation stop guide key and a pipe column anchoring device. No components except a motor and other electric control equipment are arranged on the ground, and the purposes of safety and environment protection are achieved. The motor directly drives the ball screw, and the transmission efficiency is 95% or above. The ball screw drive assembly is arranged underground, the length of an underground shaft is large, the stroke of the oil pumping machine can be increased, and the purpose of the long stroke is achieved. The whole ball screw is protected by the seal sleeves, oil water impurities and thelike cannot enter the ball screw, and the service life of the ball screw is prolonged. Due to usage of the pipe column anchoring device, in the whole machine running process, a pipe column is free ofrotation, vibration is little, and accordingly equipment running is safe and stable.

The invention discloses a submersible electric pump mounting base which comprises a workbench. The cross section of the workbench is in a circular shape, a plurality of arc-shaped fixing plates are evenly distributed at the upper end face of the workbench, and an operation mechanism is distributed at the sides, away from the center of the workbench, of the fixing plates. A plurality of positioningpins are evenly distributed at the peripheries of spacer regions of the fixing plates, and damping mechanisms are arranged inside the positioning pins. According to the submersible electric pump mounting base, by evenly distributing the positioning pins matched with the bottom face of a pump body, the mounting position of a submersible electric pump is determined, and buffer mechanisms are arranged inside the positioning pins, so that impact force of the pump body is lowered in the pump body mounting process, the pump body is mounted more stably and safely, and damage caused to the pump bodyis reduced. In addition, the arc-shaped fixing plates evenly distributed on the workbench can better fit the side face of the pump body, the fixing effect of the pump body is ensured, cushions are arranged at the inner sides of the fixing plates, and the surface of the pump body can be effectively protected.

The invention discloses a material conveying device for the top of a crane. The device comprises a base seat, the base seat is provided with a conveyor belt, a crawler belt sleeves the conveyor belt,and a motor is arranged at one end of the bottom of the conveyor belt; two connecting holes are formed in the outer wall of the top of a connecting seat, and a locking screw rod is connected between the outer walls of the two sides of the middle of a bottom base in a penetrating mode, the bottoms of the two ends of the lock screw are correspondingly connected with hooks, and a hanging plate is clamped at the bottom of the bottom base; and clamping grooves are formed in the four edges of the outer wall of the top of the hanging plate, a fixing hole is formed in the top of the hanging plate, andtwo through holes are formed inside the hanging plate. The material conveying device for the top of the crane has the advantages that the bottom base with a column-shaped structure is arranged at thebottom of the connecting seat, the connecting seat is fixedly connected with the bottom base through a screw in a penetrating mode, and the bottom of the screw penetrates the lock screw rod penetrates through the the connecting seat and the bottom base is arranged at the bottom of the screw, the bottom of the lock screw rod is connected with the hooks which are obliquely arranged, so that the connecting seat and the bottom base can be connected more safely and stably.

The invention discloses a touch screen type flowmeter which comprises a valve body, a flowmeter touch screen, a disinfection structure, a protection structure, a left connecting pipeline, a right connecting pipeline and a heat dissipation structure, the flowmeter touch screen is installed in the middle of the valve body, a left pipe head is arranged on the left side of the valve body, and the outer end of the left pipe head is connected with the left connecting pipeline; a right pipe head is arranged on the right side of the valve body, and the outer end of the right pipe head is connected with a right connecting pipeline. A protection structure is installed between the left pipe head and the right pipe head on the valve body and covers the flowmeter touch screen, a disinfection structure is installed on the inner top of the protection structure, and meanwhile a heat dissipation structure is installed on the rear side face of the flowmeter touch screen. The touch screen type flow meter is reasonable in structural arrangement, abandons a traditional meter head type structure, adopts a touch screen type structure, can better meet the use requirements of people nowadays, is more intelligent and convenient, enables more data detected by the flow meter to be looked over and looked up, and is more intelligent and convenient to set.

The invention relates to a filter element and a filter system having the filter element. The filter element has a filter body with a longitudinal axis, wherein the filter body has a first end and a second end opposite to the first end in a direction of the longitudinal axis, the first end havs a first end surface, and the second end has a second end surface. The filter body is provided with an inner circumferential surface and an outer circumferential surface that are permeable to a medium to be filtered. A first end disk is disposed at the first end surface, and a second end disk is disposedat the second end surface. The outer circumferential surface of the filter body has at least one fluid-tight area that is impermeable to the medium to be filtered. The fluid-tight area is an inflow protector or an incorrectly handled protector resting on the outer circumferential surface.

An anti-deviation device for an oil-immersed transformer, including a high-strength bolt column, a bottom plate, a steel pipe, a casing, and a channel steel frame. Two steel pipes are fixed on the bottom plate. The high-strength bolt column is pierced through the steel pipe, and one end is positioned by a nut. , the other end is sleeved with a sleeve, and the channel steel frame is fixed on the other side of the bottom plate; there are assembly holes on the bottom plate and the channel steel frame, and the channel steel frame is embedded in the channel steel channel on the side of the transformer trolley, and the bottom plate is fixed by bolts It is fixedly connected with the channel steel frame and the transformer trolley. The beneficial effects of the present invention are: an oil-immersed transformer in-position anti-deviation device, which assists the chain crane to install the oil-immersed transformer, prevents the oil-immersed transformer from derailing and derailing during the process of being towed by the chain crane, and makes the oil-immersed transformer The transformer walks more smoothly and safely on the track. The invention not only saves a lot of manpower and shortens the installation time, but also greatly improves the installation accuracy. Safety, stability, high efficiency, simple structure and other characteristics are worthy of popularization and application.

The invention discloses an illumination device. The illumination device comprises a fixed base top fixedly arranged in a wall, and an illumination lamp bank connected to the fixed base top in an inserting and matching manner, wherein a fixed connection groove is formed in the right side of the fixed base top; an adapter connector is fixedly arranged on the inner wall of the left side of the fixedconnection groove; a locking structure is arranged at the lower part of the fixed connection groove; a containing groove is formed in the left side of the fixed connection groove in a communication manner; a first sliding groove is formed in the tops of the fixed connection groove and the containing groove in a communication manner; the interior of the first sliding groove is connected to a firstsliding rod in a sliding and matching manner; the bottom of the first sliding rod extends to the fixed connection groove; and a first pressure spring is fixedly connected between the bottom of the left end surface of the first sliding rod and the containing groove. The illumination device is simple in overall structure, and is convenient and fast to use; the illumination lamp bank is safe and stable in installation and is convenient to disassemble and assemble; during assembly, the illumination lamp bank is fixedly firstly and then is electrified; and during disassembly, the illumination lampbank is firstly deenergized and then is disassembled. The illumination device has high safety.

The invention discloses an Internet of Things (IOT) intelligent buffet stove which comprises a bottom plate and a basin reinforcing plate, aluminum alloy supporting legs are fixedly connected to fourcorners of the bottom plate; the top of the bottom plate is fixedly connected with a main frame, a side surface of the main frame is fixedly connected with a display circuit board through a cross round head tail cutting self-tapping screw, a left side of the display circuit board is fixedly connected with a display panel box cover through a cross round head self-tapping screw, a right side of themain frame is movably connected with a dining furnace door template through a nut, and the inner wall of the main frame is fixedly connected with a laminate. The invention discloses the IOT intelligent buffet stove, through the arrangement of an Internet server and a gateway controller, the buffet stove can be better adjusted without being limited by the position, the temperature of the buffet stove can be controlled more accurately and stably through arranged temperature measuring sensor, dry burning sensor and touch key, and the situation that food in the buffet stove is burnt due to excessive heating and eating is affected is prevented.

The invention relates to the technical field of sky screen systems, in particular to a special-shaped sky screen system. The special-shaped sky screen system comprises a sky screen main body, a supporting main body and a plurality of groups of positioning vertical rods; the sky screen main body is of a curved surface structure; the multiple sets of positioning vertical rods are distributed at the bottom of the sky screen body in a rectangular array mode; the supporting main body comprises a plurality of groups of bolt balls and a plurality of groups of rectangular frame bodies; the plurality of groups of rectangular frame bodies are connected with the sky screen main body through the plurality of groups of positioning vertical rods corresponding to the rectangular frame bodies; two adjacent groups of rectangular frame bodies are fixedly connected through bolt balls; an included angle exists between every two adjacent rectangular frame bodies, and the multiple rectangular frame bodies are sequentially arranged to form a curved surface structure; a group of three-dimensional net racks are fixedly mounted in each group of rectangular frame bodies, each three-dimensional net rack is of an inverted triangular structure, and each three-dimensional net rack comprises a plurality of groups of second supporting rods. According to the special-shaped sky screen system, the occupied area of the sky screen main body during construction is reduced, the mounting precision is improved, the construction cost is saved, and the construction efficiency is improved.