33results about How to "No obstruction" patented technology

The invention relates to a clothes airing device which is equipped with linkage elements at two sides of a driving box and supporting plates respectively connected to bottom end of the linkage elements for supporting a plurality of clothes airing bars. End part of a folding bar on upper end of the linkage elements slides to and fro along with an upper gap penetratingly arranged at two sides of the driving box, the supporting plates are respectively connected with bottom ends of the linkage elements and are composed of a box body with bottom gap lengthways perforated at two sides of the supporting plates, a wing plate which is partly inserted into the box body and is crossed and linked with the end part of the folding bar at bottom of the linkage elements, a clothes airing bar support connected with the end part of the folding bar at bottom of the linkage elements, and clothes airing bar which is combined with each end part of the clothes airing bar support and of which two ends are connected with each end part of the wing plate for hanging clothes. A bottom gap cross part crossed by the end part of the folding bar at bottom of the linkage elements, the end parts of the wing plate and the clothes airing support slide to and fro along a bottom gap. The invention can tidily arrange components which are foldingly rose, thereby improving aesthetic feeling of appearance.

The invention discloses an automatic triggering umbrella type protection device for preventing a pier from being damaged by collision. The device mainly comprises an umbrella-shaped protection part consisting of a plurality of telescopic rigid support frames, a buffer cushion layer made of a rubber material is wrapped at a corresponding position on the pier, and the upper ends of support umbrellastands are fixed on a buffer energy-absorbing rubber cushion layer on the pier. The top end of each support frame is provided with a circular hole position, and a fixing steel ring penetrates throughthe hole positions and is fixedly connected to the corresponding position. Idler wheels are arranged at the bottom end and can roll on the ground. Sleeve type telescopic steel frameworks are arrangedin the middle, the frameworks are connected through transverse metal arm guard frameworks, and finally all the vertical frameworks are connected into an umbrella type protection whole. When a rollingstone impact load or other force impacts the protection device, a spring at the position is compressed to enable the corresponding umbrella stand to contract, then a composite switch lock catch connected with the spring is opened, then all the other springs are opened and bound, finally the whole umbrella type protection device is opened rapidly, and the pier is prevented from being impacted directly.

The invention discloses an expressway bridge drainage structure, and belongs to the technical field of expressway bridge drainage. The drainage structure includes drainage ditches on an expressway bridge pavement, draining holes at the bottoms of the drainage ditches, anti-blocking assemblies at the internals of the draining holes, drainage ports at the bottoms of an expressway bridge and fixing concrete blocks on the two sides of the expressway bridge; the drainage ditches are located on the two sides of the expressway bridge pavement; multiple draining holes are arranged in the length directions at the bottoms of the drainage ditches; the bottoms of the draining holes pass through the expressway bridge pavement; the anti-blocking assemblies are arranged corresponding to the number of thedraining holes; the internals of the fixing concrete blocks are provided with driving assemblies for driving the anti-blocking assemblies to work; and the number of the driving assemblies is consistent with the number of the draining holes. The draining pressure of the main body drainage ditches can be shared by the multiple drainage ports, so that high draining efficiency can be achieved; and the internal of each drainage port is provided with the anti-blocking assembly to perform the cleaning of the drainage ports, so that good anti-blocking effects can be realized, and follow-up overhauling can be reduced.

The invention relates to a water level monitoring device suitable for a laser measurement method and a construction method of the water level monitoring device, and belongs to the technical field of underground water level monitoring. The water level monitoring device suitable for the laser measurement method comprises a water level tube and a reflecting plate, wherein a plurality of guide grooves are formed in the inner wall of the water level tube; the reflecting plate floats on the water surface in the water level tube; the reflecting plate is provided with a plurality of connecting arms which are matched with the guide grooves. The reflecting plate serving as a laser reflecting medium is arranged in the water level tube, influence on the water surface and water quality can be eliminated, measurement precision is improved, and measurement speed is increased; moreover, the connecting arms of the reflecting plate are placed in the guide grooves, circumstances that the reflecting plate is inclined when moving vertically or swings during water level fluctuation, and the like can be avoided effectively, and the measurement precision is improved further. The construction method is simple in process, convenient to operate and high in water level measurement precision.

The invention provides a shower nozzle for a deck. The shower nozzle adopts the design of three sleeves, the principles of hydraulic jacking and spring return, and a water distribution structure that multiple water flows splash back through impact, belongs to the field of fire control, and solves the problems that a conventional shower nozzle interfere with the operation of an aircraft and a vehicle, the foam expansion is low, the foam stability is poor, and the coverage is small. A swirler is plugged in an inner sleeve hole. A water distribution plate and an inner sleeve are fastened by a screw. The springs are arranged between a middle sleeve and the inner sleeve. The middle sleeve is screwed in an outer sleeve hole. At ordinary times, the water distribution plate are pushed by the springs, so that the water distribution plate maintains a level with the deck. In spraying, a fire fighting medium enters the swirler, and is sprayed out from a double-ring water outlet in the top of the inner sleeve; besides, the water distribution plate and the inner sleeve compress the springs to move up and come out from the deck under the hydraulic action, and after splashing back through impact of the water distribution plate, the fire fighting medium covers protection areas in a lotus leaf shape; and the shower nozzle comprises an outer sleeve, the inner sleeve, seal gaskets, a snap spring, the swirler, locking buttons, locking nuts, the springs, the middle sleeve, a seal ring and the water distribution plate. The shower nozzle is suitable for protecting flight decks of naval ships, hangars, dangerous cargo wharfs and trestles.

The invention discloses a bus broadcast and television broadcast management system. The bus broadcast and television broadcast management system includes a position adjusting mechanism, a steering mechanism, a replacing mechanism and a first take-up pay-off mechanism, wherein the position adjusting mechanism includes a supporting seat, a displacement gear, a moving block, a moving plate and a surface rack; the steering mechanism includes a center shaft, a second take-up pay-off mechanism, a first rope, a first magnet block and a second magnet block; the replacing mechanism includes a first annular magnet, a second annular magnet, a barrel-type magnet and an annular groove; and the first take-up pay-off mechanism includes a wire wrapping shaft, a wire taking up wheel and a paying off wheel.The device is mounted on the roof of a bus, the space is saved, passage of passengers is not obstructed, when a user uses the device, the device can automatically move according to the user position,thus the user obtain better experiences of watching and listening, the user can choose whether to watch a bus television or listen bus broadcast according to user requirements.

The invention discloses a limiting type parking charging device. The device comprises a limiting type vehicle lock unit and a self-service payment service unit. The limiting type vehicle lock unit isplaced in the center of a parking space and buried underground in advance, the limiting type vehicle lock unit comprises a base, a cavity is formed in the base, and the two ends of the concave position of the base are each provided with two mounting connectors. The invention relates to the technical field of communal facilities. In the limiting type parking charging device, the intelligence of parking charging is realized; intelligent parking charging of the single parking space can be realized; the system can be used in parking places with unclosed peripheries, such as parking lots arranged on two sides of a road, and the limiting effect on vehicles is good. When the limiting device is in an unlimited state, the limiting device is completely flush with the ground, no obstacle is formed onthe ground, passing of vehicles is not hindered, the limiting rod can automatically ascend only after the vehicles are parked for a certain period of time, and the situation that the limiting rod ascends too frequently and hinders normal vehicle driving is prevented.

A road and bridge field installation structure, method and crane are disclosed, the installation structure comprises: a crane is installed at the top of a pier, and a bridge member is hoisted by the crane. The invention also includes a road and bridge field installation method and a crane. On the one hand, the invention has the advantages of high working efficiency, low cost, no occupying ground space, no occupying original lane, no construction temporary passage and the like; On the other hand, the crane of the invention does not need to be provided with a tower body and a hydraulic prop foradjusting the height, thereby greatly reducing the weight, reducing the cost and improving the safety factor.

The invention discloses a tensioning and fixing method and device for a mining endless rope winch tail wheel system. A bearing device with the cross section being an m-type or n-type steel structure framework and a tensioning cylinder are mounted in the underground mounting place, and a cylinder shaft seat is arranged in the space of the steel structure framework and mounted on a pressure bearingfoot plate; the tensioning cylinder is mounted on the cylinder shaft seat through a shaft of the tensioning cylinder; during arrangement of the endless rope winch tail wheel system, all that is required is to mount return wheels of a winch traction rope at an extension rod head of the tensioning cylinder, and the winch traction rope can be properly tensioned by adjusting the extension length of aworking rod of the tensioning cylinder. The winch tail rope can be tensioned through the tensioning cylinder, slipping can be eliminated, a balance wheel is omitted particularly for a double-rope typewinch tail wheel system, and the structure is more simplified. If an automatic pressure regulator is designed on the tensioning cylinder, the tension degree of the winch traction rope can be balancedautomatically with the magnitude of the winch traction force.

The embodiment of the invention discloses a position limiter which is used for performing position limitation and locking on double doors of a modularized data center closed channel system so as to strengthen the sealing property of the double doors. The position limiter comprises a housing 100 of the position limiter, wherein the upper surface of the housing 100 of the position limiter is of a smooth plane, the four surfaces of the housing 100 of the position limiter are of slope structures, smooth round angle transition shapes are arranged at the joints between the upper surface and the four surfaces, and the smooth round angle transition shapes are arranged at the joints between the surfaces in the four surfaces; and the housing 100 of the position limiter is provided with an open slot 120, the open slot 120 is used for accommodating a door bolt of one door in the double doors, and one door in the double doors is subject to position limitation and fixation under a closed state of the double doors; and the housing 100 of the position limiter is further provided with a round hole 110, the round hole 110 is used for locking a lower lock rod which moves downward and falls into the round hole 110 under the state that the double doors are closed and a handle of a door lock is released.