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46results about How to "Reduce climbing" patented technology

Car wash conveyor

An auto-laundry conveyor of three-tier design using upper, lower and intermediate track rails with a narrow slot between them. Dollies are provided in an endless loop conveyor chain and each dolly comprises a combination of a center link, a pair of reversely similar tire engaging rollers, a pair of reversely similar track engaging rollers outboard of the tire engaging rollers and a pair of reversely similar stabilizing rollers outboard of the track engaging rollers. The stabilizing rollers are effectively larger in diameter; i.e., higher than the track engaging rollers so as to prevent rolling contact between the stabilizing rollers and the track surface and to receive the tread surface of an off-center tire and keep the tread surface from interfering with rolling movement of the track engaging rollers. The conveyor is manufactured in 10-foot lengths except for the entry and exit sections which are of lengths X and Y wherein X plus Y equals 10 feet. An open track structure is used to prevent the accumulation of dirt and debris.
Owner:PISTON OPW INC

Auto spiral lifting active ice resistant device

The invention discloses an automatic spiral elevating active ice-resisting device, comprising a fixed support which is arranged around and fixed with the outside of a leg of a protected object, a hydraulic self-elevating system fixed with the fixed support, a cylinder-type movable support which is fixed with a plunger of the hydraulic self-elevating system and is arranged around the outside of the leg of the protected object, and an ice-resisting cone which is arranged around and connected with the outside of the cylinder-type movable support. The ice-resisting cone is a combined body of a positive cone and an inverted cone; the inner surface of the combined of the positive cone and the inverted cone is in threaded connection with the outer surface of the cylinder-type part of the cylinder-type movable support; a propeller is arranged on the lower end face of the combined of the positive cone and the inverted cone. The device can automatically adapt to tidal range changes, can realize the functions of breaking ice actively, operating fully automatically, reducing the threat to a platform from the accumulation and climbing phenomena of ice sheets, is especially suitable for the sea areas under serious ice conditions, and can effectively protect ocean engineering structures in iced sea areas.
Owner:TIANJIN UNIV

Semiconductor photodetector and its production method

In a semiconductor photodetector 1 according to the present invention, flat surfaces of three steps with different heights are formed in a top surface portion of a semi-insulating GaAs substrate 2. An n-type GaAs layer 3, an i-type GaAs layer 4, and a p-type GaAs layer 5 are successively deposited on the lower step surface formed in a central region of the semi-insulating GaAs substrate 2. Furthermore, a p-side ohmic electrode 6 is provided astride and above a flat surface formed by the p-type GaAs layer 5 and the upper step surface of the semi-insulating GaAs substrate 2, and an n-side ohmic electrode 7 is provided astride and above a flat surface formed by the n-type GaAs layer 3 and the middle step surface of the semi-insulating GaAs substrate 2.
Owner:HAMAMATSU PHOTONICS KK

Pixel defining layer, preparation method thereof, and display panel

The present invention discloses a pixel defining layer, a preparation method thereof and a display panel. The invention aims to improve the film formation uniformity of an OLED (Organic Light EmittingDiode) light emitting layer, improve the light emitting effect of the OLED light emitting layer, and prolong the service life of a display device. The pixel defining layer provided by one embodimentof the present invention is disposed on a substrate; the pixel defining layer comprises at least four pixel defining sub-layers which are composed of hydrophilic pixel defining layers and hydrophobicpixel defining layers which are alternately stacked on the substrate; the pixel defining sub-layer adjacent to the substrate is a hydrophilic pixel defining layer; and in a direction perpendicular tothe substrate, the pixel defining sub-layer farthest from the substrate is a hydrophobic pixel defining layer.
Owner:HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1

Novel breakwater and design method thereof

InactiveCN102191759AReduce climbingReduce the amount of overshootBreakwatersQuaysLow altitudeEngineering
The invention discloses a novel breakwater and a design method thereof. The breakwater is arranged between a foreshore and a backshore, and comprises a foundation bed and a breakwater body, wherein a riverside slope protecting surface of the breakwater body comprises a slope-shaped riverside slope protecting surface and more than two arc-shaped riverside slope protecting surfaces which are connected together in sequence; a riprapping dike dam is arranged between the bottom end of the slope-shaped riverside slope protecting surface and the foreshore, and the top end of the slope-shaped riverside slope protecting surface is connected with the arc-shaped riverside slope protecting surfaces through a platform; and two adjacent arc-shaped riverside slope protecting surfaces are connected through a corner of the platform. Therefore, in the invention, as the riverside slope protecting surface is combined by the arc-shaped slope protecting surfaces and the slope-shaped slope protecting surface through the platform, the rise of waves and the wave overtopping rate of a breakwater top are effectively reduced through the wave breaking function of the arc-shaped slope protecting surfaces and the energy dissipating function of the slope-shaped riverside slope protecting surface; compared with the conventional breakwater, the novel breakwater can meet design requirements under the same condition more effectively based on a lower altitude of the breakwater top under the same design condition.
Owner:HOHAI UNIV

Car Wash Conveyor

An auto-laundry conveyor of three-tier design using upper, lower and intermediate track rails with a narrow slot between them. Dollies are provided in an endless loop conveyor chain and each dolly comprises a combination of a center link, a pair of reversely similar tire engaging rollers, a pair of reversely similar track engaging rollers outboard of the tire engaging rollers and a pair of reversely similar stabilizing rollers outboard of the track engaging rollers. The stabilizing rollers are effectively larger in diameter; i.e., higher than the track engaging rollers so as to prevent rolling contact between the stabilizing rollers and the track surface and to receive the tread surface of an off-center tire and keep the tread surface from interfering with rolling movement of the track engaging rollers. The conveyor is manufactured in 10-foot lengths except for the entry and exit sections which are of lengths X and Y wherein X plus Y equals 10 feet. An open track structure is used to prevent the accumulation of dirt and debris.
Owner:PISTON OPW INC

High-voltage capacitive type voltage transformer routine test interconnecting box with method with no need for dismounting lead

The present invention discloses a high-voltage capacitive type voltage transformer routine test interconnecting box with method with no need for dismounting a lead, and relates to the field of the electric power and voltage transformer test technology. The interconnecting box comprises a box body and a main panel arranged at the upper surface of the box body, the device binding post of the main panel is connected with the insulation wire and a tested device, and the device binding post is connected with a tester through the testing line matching a testing tester itself. The alternative switch of the operation area of the main panel can switch the wire connection mode of the inner space in the box body to realize the purpose of completing two test modes with no need for dismounting the lead. The interconnecting box is convenient to carry, simple to operate and reliable and safe so as to reduce the number of times of workers' climbing and wiring so as to improve the effect of CVT routine test efficiency.
Owner:STATE GRID CORP OF CHINA +2

Wave type wave-absorbing dam

The invention relates to a wave type wave-absorbing dam which comprises a stair type dam bottom, a wave type grid wall and a wave-resisting wall, wherein the wave-resisting wall is mounted at the top end of the stair type dam bottom; the wave type grid wall is vertically mounted on the stair surface of the stair type dam bottom; the horizontal cross section of the wave type grid wall is wave-shaped; the wave type grid wall consists of an arced wall at the entrance, an arced wall at the final point and an arced wall in the middle section; the central angle of the arced wall at the entrance is 60 degrees; the central angle of the arced wall in the middle section is 120 degrees; the arced wall at the final point is connected with the wave-resisting wall. Due to the adoption of the stair type dam surface, the functions of roughening the protecting surface and eliminating the energy are achieved, and a part of the wave energy can be eliminated; due to the adoption of a wave type grid wall structure, spindrift and vortexes are formed after water flows into the dam, and then the wave is crushed and collided to achieve the energy elimination function; as the wave type grid wall is combined with the stair type dam surface, the wave entering the grid wall is subjected to dual energy elimination, the wave is prevented from raising high and washing the dam bottom, the coast is prevented from being scoured, and a good coast protection function is achieved.
Owner:SHENYANG AGRI UNIV

GIS equipment loop resistance test auxiliary tool and electric power construction enforcement method

A GIS equipment loop resistance test auxiliary tool and an electric power construction enforcement method belong to the power transmission and transformation equipment operation and disaster prevention technology fields, aim to carry out the GIS equipment loop resistance testing works, thus solving the safety installation test wire clamp problems; the GIS equipment loop resistance test auxiliary tool comprises a hooked wire clamp and an insulation rod, and said two parts are connected through a sawtooth engaged swivel joint; the hooked wire clamp body is used for clamping a bended hooked insulator of the lead wire; the inner bending side is provided with a conductive material making contacts with the lead wire; a voltage line and a current line respectively electrically connected with theconductive material as test wires, and led out from the tail of the hooked wire clamp body.
Owner:BENXI POWER SUPPLY COMPANY OF STATE GRID LIAONINGELECTRIC POWER SUPPLY +1

Movable power generation type bulwark with arc protective face

InactiveCN105040638ALower design standardsImprove landscapeBreakwatersQuaysEngineeringClosed cavity
The invention discloses a movable power generation type bulwark with an arc protective face. The movable power generation type bulwark is characterized by comprising a reverse arc type wave raising nozzle (2) vertically moving on a sloping dike (1); a guide rail (3) is arranged on the sloping dike (1) along the gradient, and a sliding block is arranged on the guide rail (3); the reverse arc type wave raising nozzle (2) comprises a linear section (4) arranged parallel to the sloping dike (1) and fixed to the sliding block, and the bottom end of the linear section (4) is connected with one end of the arc protective face (5) for raising waves; and the other end of the arc protective face (5) and the top end of the linear section (4) are connected through a connecting plate (6) to form a closed cavity (7). The movable power generation type bulwark with the arc protective face is simple in structure, environmentally friendly, economical and applicable, and has high promotional value and wide application prospects.
Owner:HOHAI UNIV

Environmental hydrophilic composite seawall

The invention discloses an environmental water-loving composite sea dike which is arranged between a fore beach and a back beach and comprises a foundation bed and a slope body ridgy on the foundation bed, wherein an upstream slope surface, a dike body and a downstream slope surface sequentially cover the outer surface of the slope body between the fore beach and the back beach; the dike body is set with an empty case structure and is made from transparent materials; the dike body is formed by sequentially connecting a circular arc shaped upstream surface, an arc-shaped dike crest and a slope downstream surface; and an arc-shaped sound deadening wave wall is arranged at the side of the dike crest, near the sea. Thus, the sea dike disclosed by the invention has good effects of damp proofing, wave prevention, erosion resistance, beach strengthening and shore protection; and the width of the dike body is smaller, the structural style is simple and stable and the foundation stress is small to ensure that the foundation settlement can be effectively decreased and the requirement on foundation bearing capacity is easily satisfied.
Owner:HOHAI UNIV

Novel breakwater and design method thereof

InactiveCN102191759BReduce climbingReduce the amount of overshootBreakwatersQuaysEngineeringLow altitude
The invention discloses a novel breakwater and a design method thereof. The breakwater is arranged between a foreshore and a backshore, and comprises a foundation bed and a breakwater body, wherein a riverside slope protecting surface of the breakwater body comprises a slope-shaped riverside slope protecting surface and more than two arc-shaped riverside slope protecting surfaces which are connected together in sequence; a riprapping dike dam is arranged between the bottom end of the slope-shaped riverside slope protecting surface and the foreshore, and the top end of the slope-shaped riverside slope protecting surface is connected with the arc-shaped riverside slope protecting surfaces through a platform; and two adjacent arc-shaped riverside slope protecting surfaces are connected through a corner of the platform. Therefore, in the invention, as the riverside slope protecting surface is combined by the arc-shaped slope protecting surfaces and the slope-shaped slope protecting surface through the platform, the rise of waves and the wave overtopping rate of a breakwater top are effectively reduced through the wave breaking function of the arc-shaped slope protecting surfaces and the energy dissipating function of the slope-shaped riverside slope protecting surface; compared with the conventional breakwater, the novel breakwater can meet design requirements under the same condition more effectively based on a lower altitude of the breakwater top under the same design condition.
Owner:HOHAI UNIV

Semiconductor photodetector and its production method

In a semiconductor photodetector 1 according to the present invention, flat surfaces of three steps with different heights are formed in a top surface portion of a semi-insulating GaAs substrate 2. An n-type GaAs layer 3, an i-type GaAs layer 4, and a p-type GaAs layer 5 are successively deposited on the lower step surface formed in a central region of the semi-insulating GaAs substrate 2. Furthermore, a p-side ohmic electrode 6 is provided astride and above a flat surface formed by the p-type GaAs layer 5 and the upper step surface of the semi-insulating GaAs substrate 2, and an n-side ohmic electrode 7 is provided astride and above a flat surface formed by the n-type GaAs layer 3 and the middle step surface of the semi-insulating GaAs substrate 2.
Owner:HAMAMATSU PHOTONICS KK

Hydraulic Control Device for Roll Balance Speed ​​Adjustment in Continuous Pipe Mill

The invention discloses a hydraulic control device for adjusting the roll balance speed of a continuous pipe rolling mill, comprising: a reversing structure, the two ends of the reversing structure are respectively connected to a hydraulic oil circuit and a hydraulic cylinder, and the reversing structure can be remotely controlled; A throttling structure, the throttling structure is connected between the reversing structure and the hydraulic cylinder, and the throttling structure can be controlled remotely. The beneficial effect of the present invention is that, compared with the prior art, the present invention not only realizes all the functions of the prior art without adding hydraulic components, but also can remotely control the reversing structure and the throttling structure , so as to realize the reversing and speed adjustment through remote control, without on-site operation in the actual operation process, reducing the steps of climbing up and down, thereby reducing unsafe factors, reducing adjustment cycles, reducing labor, and greatly improving work efficiency. This makes the adjustment process safer, more humane, and more in line with the needs of fast-paced modern production.
Owner:TAIYUAN HEAVY IND

Cable bent tower and construction method thereof

The invention relates to a cable bent tower. The tower comprises a tower body, and a climbing mechanism is arranged on the side wall of the tower body. The climbing mechanism comprises a mounting plate which is fixedly connected to the outer wall of the tower body through bolts, a pedal which is installed on the mounting plate, handrails which are installed at the two ends of the side wall of oneside of the mounting plate, mounting rods which are fixedly connected to the two ends of the upper surfaces of the handrails, anti-falling rods which are fixedly connected to the two sets of mountingrods, anti-falling rings which are connected to the anti-falling rods in a sliding mode, and anti-falling pieces which are arranged between the anti-falling rods and the anti-falling rings. The mounting plate is fixedly connected to the outer wall of the tower body through the bolts, the anti-falling rods are fixedly connected to the handrails, and the anti-falling rings are connected to the anti-falling rods in a sliding manner. An operator buckles a connecting buckle at one end of a safety rope to the anti-falling rings, under the effect of the anti-falling pieces, the anti-falling rings canonly slide to the upper ends of the anti-falling rods from the lower ends of the anti-falling rods, the operator can climb onto the tower body conveniently, the operation that the operator needs to replace the connecting position of the safety rope is reduced, and the climbing safety of the operator is improved.
Owner:山东省公路桥梁建设集团有限公司

Portable intelligent current clamp device convenient to support

The invention relates to the technical field of current clamps, in particular to a portable intelligent current clamp device convenient to support. The portable intelligent current clamp device comprises an upper clamp, a lower clamp, a reset spring and a lengthening rod assembly, wherein the middle of the upper clamp and the middle of the lower clamp are fixed in a hinged mode, the front end of the upper clamp and the front end of the lower clamp are connected in an engaged mode to form a clamping opening, the rear ends of the upper clamp and the lower clamp are connected through the reset spring, the rear ends of the upper clamp and the lower clamp are squeezed to enable the rear ends of the upper clamp and the lower clamp to be close to each other so as to open the clamping opening, the clamping opening can be meshed through elastic force of the reset spring after squeezing is removed, one end of the lengthening rod assembly is rotationally connected with the rear end of the upper clamp through a rotating shaft, the other end of the lengthening rod assembly is used for handheld operation, the rear end of the lower clamp is fixedly connected with a linkage rope, and the linkage rope is pulled to control the lower clamp to rotate. The portable intelligent current clamp device is suitable for high-position wire detection, is convenient to place, is safer to operate, is suitable for wires with different diameters, and is high in wire clamping stability.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO

wave breaking dike

The invention relates to a wave type wave-absorbing dam which comprises a stair type dam bottom, a wave type grid wall and a wave-resisting wall, wherein the wave-resisting wall is mounted at the top end of the stair type dam bottom; the wave type grid wall is vertically mounted on the stair surface of the stair type dam bottom; the horizontal cross section of the wave type grid wall is wave-shaped; the wave type grid wall consists of an arced wall at the entrance, an arced wall at the final point and an arced wall in the middle section; the central angle of the arced wall at the entrance is 60 degrees; the central angle of the arced wall in the middle section is 120 degrees; the arced wall at the final point is connected with the wave-resisting wall. Due to the adoption of the stair type dam surface, the functions of roughening the protecting surface and eliminating the energy are achieved, and a part of the wave energy can be eliminated; due to the adoption of a wave type grid wall structure, spindrift and vortexes are formed after water flows into the dam, and then the wave is crushed and collided to achieve the energy elimination function; as the wave type grid wall is combined with the stair type dam surface, the wave entering the grid wall is subjected to dual energy elimination, the wave is prevented from raising high and washing the dam bottom, the coast is prevented from being scoured, and a good coast protection function is achieved.
Owner:SHENYANG AGRI UNIV

Rod body for electrified switch operation

InactiveCN106674683AReduce climbingReduce ladder workGlass fiberAntioxidant
The invention discloses a rod body for electrified switch operation, belongs to the field of live line tools, and aims to turn circuit switches at high places on / off. The rod body comprises a rod body, wherein the rod body consists of the following components in parts by weight: 25-30 parts of high density polyethylene, 10-15 parts of insulating silicon rubber, 5-10 parts of hard amide, 5-10 parts of N-N'-methylene double-hard amide, 15-20 parts of a ceramic micro powder, 10-15 parts of high-strength glass fiber, 5-8 parts of fire-resistance mica, 2-4 parts of a flame retardant and 2-6 parts of an antioxidant. By adopting the technical scheme, the on / off of the circuit switches at high places can be achieved, climbing operation and operation with ladders can be reduced for operators, personal safety risks can be reduced, unreasonable allocation of sources and labor can be reduced, and the working efficiency can be improved.
Owner:STATE GRID SHANDONG TANCHENG POWER SUPPLY +1

Multipurpose Crane and Emergency Rescue Fire Truck

ActiveCN103482491BEnhanced emergency rescue functionAdapt to wideFire rescueCranesEmergency rescueEngineering
The invention discloses a multifunctional crane and an emergency rescue fire-fighting truck, and relates to the technical field of engineering machinery. The multifunctional crane and the emergency rescue fire-fighting truck solve the technical problems of high labor intensity and poor safety in the prior art. The multifunctional crane comprises a telescopic arm, a base, a hydraulic pipeline conveying device, a hydraulic tool, a hydraulic oil supply device, a first lifting hook and a second lifting hook, wherein the telescopic arm comprises an external segment arm and an internal segment arm; the internal segment arm can move to an extension position or a retraction position relative to the external segment arm; the first lifting hook and the base are connected with one end, extending out of the external segment arm, of the internal segment arm; the hydraulic tool is detachably and fixedly connected with the base and comprises a hydraulic scissor, a hydraulic percussion drill or a hydraulic gripper; and the second lifting hook is connected with the external segment arm. The emergency rescue fire-fighting truck comprises the multifunctional crane. The emergency rescue fire-fighting truck is used for increasing functions of the multifunctional crane, and the safety of the emergency rescue fire-fighting truck is improved.
Owner:XCMG FIRE FIGHTING SAFETY EQUIP CO LTD

Rotational flow spillway tunnel for reducing flow velocity of outlet of rotational flow tunnel

ActiveCN113089600AReduce backloggingIncrease energy dissipation spaceBarrages/weirsWater-power plantsSluice gateClassical mechanics
The invention provides a rotational flow spillway tunnel for reducing flow velocity of an outlet of a rotational flow tunnel. The rotational flow spillway tunnel comprises a sluice gate chamber, a diversion tunnel, a volute chamber, a vertical shaft, an expansion body connecting section, a stilling pool and a flow guiding tunnel; the upstream of the diversion tunnel is connected with the sluice gate chamber; the downstream of the diversion tunnel is connected with the volute chamber through a transition section; a water division partition wall is arranged in the transition section; the lower end of the volute chamber is connected with the vertical shaft through a vertical shaft connecting section; the lower part of the vertical shaft communicates with the flow guiding tunnel through the expansion body connecting section; one end of the flow guiding tunnel is blocked; a flow dividing pier is arranged in the expansion body connecting section; and the stilling pool is arranged at the bottom of the vertical shaft. Water flow passes through the transition section and the water division partition wall, so that the thickness of rotating water flow in the volute chamber is increased, the altitude of a water surface is greatly reduced, and the water surface height difference of the rotating water flow in the volute chamber is also reduced. After the water flow reaches the stilling pool for stilling, the damming phenomenon of hydraulic jump is weakened and an energy dissipation space of pressure flow vortex rolling is enlarged through the expansion body connecting section.
Owner:POWERCHINA XIBEI ENG

Green and environment-friendly corrugated carton

The invention discloses a green and environment-friendly corrugated carton. The green and environment-friendly corrugated carton comprises a carton body and two carton covers, wherein the two carton covers are fixedly mounted at the positions, close to the front end and the rear end, of the outer surface of the upper end of the carton body; a base, an external fixing mechanism and an abutting plate are arranged outside the carton body; the external fixing mechanism is movably connected between the base and the abutting plate; and a screw rod is fixedly mounted at the position, close to the middle, of the outer surface of the upper end of the base. According to the green and environment-friendly corrugated carton, the situation that the bottom of the carton body is affected with damp and damaged due to the fact that the bottom of the carton body is in direct contact with the ground can be prevented, and the service life of the carton body is prolonged; and a plate block is additionallyarranged inside the carton body, the bearing capacity of the bottom of the carton body can be increased, damage to a built-in machine body is reduced, the leakproofness of the carton body can be guaranteed, the safety of stored objects is improved, damage to the carton surface due to tearing of adhesive tape can be reduced, reverse overturning of the carton covers when the carton body is opened isprevented, the convenience of taking the objects is improved, and the probability that the carton is bitten by rats and insects is reduced.
Owner:金华市佳怡包装有限公司

Automatic ball delivering device used for perforating and fracturing continuous operation

The invention discloses an automatic ball delivering device used for perforating and fracturing continuous operation. The automatic ball delivering device used for perforating and fracturing continuous operation comprises a ball delivering component, a frame body, a rotating device and a supporting rod; the ball delivering component is arranged at one end of the frame body; the other end of the frame body is connected with the supporting rod through the rotating device; the ball delivering component comprises a ball partition rotating cylinder, a rotating cylinder protecting cover, a ratchet wheel, a shifting pin, a driving device and a check pawl; during working, a working end of the driving device expands and retracts for one time, the shifting pin pushes the ratchet wheel to rotate under the cooperation of the check pawl, the ratchet wheel drives the ball partition rotating cylinder to rotate, and the rotating angle is an angle between axes of two adjacent ball partition grooves. According to the automatic ball delivering device used for perforating and fracturing continuous operation, the working efficiency is effectively enhanced, the automatic ball delivering device is beneficial for guaranteeing the fracturing construction quality and effect, personnel climbing is reduced, workers can be prevented from entering into a high pressure area, the safety risk is furthest reduced, fracturing balls can be delivered under a pressure, and double purposes of realizing safety operation and reducing the engineering cost are finally achieved.
Owner:承德市开发区富泉石油机械有限公司

Large cornice scaffold for high-rise building

ActiveCN113638588AReduce the risk factor of installation and operationImprove personal safety protectionScaffold accessoriesBuilding support scaffoldsPersonal securityScaffolder
The invention relates to the field of building construction, in particular to a large cornice scaffold for a high-rise building. The large cornice scaffold comprises a scaffold body and a supporting mechanism, wherein a connecting base is slidably connected to the bottom face of the scaffold body, a driving mechanism which is used for driving the connecting base to move is arranged on the scaffold body, the supporting mechanism comprises a base, a contraction supporting assembly which is rotationally connected to the base and a reinforcing assembly which is arranged on the base and is used for reinforcing the contraction supporting assembly, a fixing mechanism which is used for fixing the contraction supporting assembly is arranged on the connecting base, and a positioning mechanism which is used for fixing the connecting base is arranged on the scaffold body. The large cornice scaffold has the effects that the danger coefficient of installation operation of the scaffold is reduced, and the personal safety protection degree of operators is improved.
Owner:无锡市钱桥建筑安装工程有限公司

Experimental platform of tower crane

The invention discloses a tower crane experiment platform which comprises a tower arm, a tower body, a hoisting structure and a driving mechanism, the tower arm and the tower body form a T-shaped tower crane main body structure, the hoisting structure is arranged at the front end of the tower arm, a light hanging rod is arranged below the hoisting structure, and the hoisting structure can rotate the light hanging rod to swing in two directions; the light suspender penetrates through the hoisting structure and can ascend and descend along the hoisting structure; a lifting object is arranged at the bottom of the light lifting rod; a balancing weight is arranged at the tail part of the tower arm so as to ensure the balance of the tower arm; the driving mechanism comprises main driving equipment arranged on the tower arm, and the main driving equipment drives the hoisting mechanism to move along the tower arm and drives the tower arm and the balancing weight and the hoisting structure on the tower arm to rotate relative to the tower body. Experiment cost can be reduced, certain dangerousness is reduced, manpower is saved, climbing of the tower crane back and forth is reduced, and safety and convenience are achieved.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

Environmental hydrophilic composite sea dike

The invention discloses an environmental water-loving composite sea dike which is arranged between a fore beach and a back beach and comprises a foundation bed and a slope body ridgy on the foundation bed, wherein an upstream slope surface, a dike body and a downstream slope surface sequentially cover the outer surface of the slope body between the fore beach and the back beach; the dike body is set with an empty case structure and is made from transparent materials; the dike body is formed by sequentially connecting a circular arc shaped upstream surface, an arc-shaped dike crest and a slope downstream surface; and an arc-shaped sound deadening wave wall is arranged at the side of the dike crest, near the sea. Thus, the sea dike disclosed by the invention has good effects of damp proofing, wave prevention, erosion resistance, beach strengthening and shore protection; and the width of the dike body is smaller, the structural style is simple and stable and the foundation stress is small to ensure that the foundation settlement can be effectively decreased and the requirement on foundation bearing capacity is easily satisfied.
Owner:HOHAI UNIV

A swirl flood discharge tunnel with improved water flow

The invention provides a swirling flood discharge tunnel for improving the flow state of water, comprising a diversion tunnel, a transition section, a vortex chamber, a vertical shaft, a stilling pool, a water baffle and a diversion tunnel, and the upstream of the transition section is connected with the diversion tunnel, The upstream of the water diversion tunnel is connected with a sluice chamber; the downstream of the transition section is connected with the vortex chamber, the lower end of the vortex chamber is connected with the vertical shaft through the vertical shaft connecting section, the stilling pool is located at the bottom end of the vertical shaft, and the vortex chamber is located at the bottom of the vertical shaft. The diameter is larger than the diameter of the shaft, and the diameter of the shaft is larger than the diameter of the stilling pool; the lower part of the shaft is connected with the diversion hole through the connecting section, and one end of the diversion hole is blocked; the water baffle is arranged at the end of the connecting section. In the present invention, the transition section from the water diversion tunnel to the vortex chamber forms a gradient, which can cause an increase in the velocity of the water flow entering the vortex chamber. The invention changes the flow state through the water baffle at the end of the connecting section, so that the water flow regularly flows into the diversion hole, thus ensuring that the inner wall of the diversion hole will not be eroded by excessive water flow, and improving the service life of the diversion hole.
Owner:POWERCHINA XIBEI ENG

Image data transmission method and device, storage medium and monitoring equipment

The invention provides an image data transmission method and device, a storage medium and monitoring equipment. When a user terminal successfully logs in the wireless communication network, namely theuser terminal establishes communication connection with the monitoring equipment, the monitoring equipment acquires the control instruction, and transmits the stored image data to the user terminal through the wireless communication network according to the acquired control instruction. For some pieces of monitoring equipment located at high positions, the actions of climbing, taking and placingmemory cards of users are reduced, data reading is completed more easily and efficiently, and potential safety hazards caused by climbing are avoided.
Owner:重庆紫光华山智安科技有限公司

Firing tool and firing method for THz glass insulator

The invention provides a firing tool for a THz glass insulator. The firing tool comprises an upper positioning tool and a lower positioning tool, wherein a first hole, a second hole and a third hole are formed in the lower side of the upper positioning tool, the diameter of the first hole is 0.127 mm, the diameter of the second hole is 0.7 mm, and the diameter of the third hole is 1.1 mm; and a fourth hole, a fifth hole and a sixth hole are formed in the upper side of the lower positioning tool, the diameter of the fourth hole is equal to the diameter of the third hole, the diameter of the fifth hole is equal to the diameter of the second hole, the diameter of the sixth hole is equal to the diameter of the first hole, and all the holes are coaxial and vertical in an axial direction. A firing method for the THz glass insulator comprises the following steps: conducting heating at room temperature for 40 minutes until T1 is reached, preserving heat for 5 to 6 minutes, carrying out reheating for 20 minutes until T2 is reached, preserving heat for 9 to 10 minutes, carrying out reheating for 20 minutes until T3 is reached, preserving heat for 5 minutes, conducting cooling to T4, preserving heat for 5 to 6 minutes, conducting cooling to T5, preserving heat for 9 to 10 minutes, conducting cooling to room temperature, and taking out a final product. The tool is simple in structure, and the percent of pass of sintered products is high.
Owner:中国电子科技集团公司第四十研究所

A vortex chamber inlet structure of a swirling flood discharge tunnel for improving water flow

The invention provides a vortex chamber inlet structure of a swirling flood discharge tunnel for improving the flow state of water flow, which includes a water diversion tunnel and a vortex chamber, and also includes a transition section and a water dividing wall, and the transition section is the connection section between the diversion tunnel and the vortex chamber. , the water dividing wall is arranged on the transition section. The vortex chamber inlet structure of the whirlpool flood discharge tunnel provided by the invention improves the flow state of the water flow. When the water flows through the transition section and the water dividing wall, the thickness of the whirling water flow in the whirl chamber increases, the water surface climbs up greatly, and the water surface of the whirling water current in the whirl chamber is high. The difference is also reduced, which can improve the water flow pattern.
Owner:POWERCHINA XIBEI ENG +1
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