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26results about How to "Lower vertical height" patented technology

Concrete pouring anti-falling device for crash barrier

ActiveCN224494885Uavoid spillingreduce waste
The utility model relates to the field of building construction safety, more particularly to a kind of anti-collision guardrail concrete pouring anti-falling device, it includes a baffle, second baffle and two side baffles;Two side baffles are relatively parallel, the first side of two side baffles is respectively connected the two sides of first baffle parallel, the second side of two side baffles is respectively connected the two sides of second baffle parallel, first baffle, second baffle and two side baffles jointly enclose concrete flow guide cavity, by the utility model, solve in the concrete anti-collision guardrail construction process, concrete spilling, material waste and the problem of potential safety hazard.
Owner:CHINA RAILWAY TENTH GRP FOURTH ENG CO LTD +1

A row data scanning readout circuit for an image sensor

ActiveCN115883993BSimple structurelower vertical heightHemt circuitsVoltage reference
The present invention provides a row data scanning readout circuit of an image sensor, comprising: a pixel array, comprising a plurality of pixel units; the input end of the electrical signal conversion module is electrically connected to the output end of the pixel unit; the input end of the row data latch is electrically connected to the output end of the electrical signal conversion module; the input end of the readout unit is electrically connected to the output end of the row data latch; the output end of the readout unit is electrically connected to the input end of the data processing module through a data bus, the data processing module comprises a comparator, the positive input end of the comparator is electrically connected to the data bus, the reverse input end of the comparator inputs a reference voltage, and the comparator compares the voltage difference between the data bus voltage and the reference voltage to realize data reading. The row data scanning readout circuit of an image sensor disclosed by the present invention can ensure the accurate output of data during large array and long distance transmission.
Owner:合肥海图微电子有限公司

Dual-motor controller

The invention relates to the technical field of electric drive, and discloses a dual-motor controller, which comprises a box body; the number of the driving module assemblies is two; the thin film capacitor is arranged between the two driving module assemblies and electrically connected with the two driving module assemblies; the power distribution module is arranged in the box body and electrically connected with the thin-film capacitor, in the power taking state, the power distribution module outputs current provided by the vehicle battery for the thin-film capacitor to electric equipment, and in the charging state, the power distribution module transmits current of an external power supply to the vehicle battery through the thin-film capacitor; and the EMC filtering assembly is arranged in the box body and electrically connected with the thin-film capacitor, the EMC filtering assembly is provided with a power supply connecting end, and the power supply connecting end is suitable for being connected with a vehicle battery. The internal design of the dual-motor controller realizes the power taking and charging functions of a vehicle battery, the dual-motor controller has the characteristics of multiple functions and high integration, external parts and external high-voltage wiring harnesses are saved, the space and the cost are saved, and the requirements of integration and light weight of a new energy vehicle are met.
Owner:SHANGHAI AUTO EDRIVE CO LTD +2

Shell, actuator and electric ball valve

The utility model relates to the technical field of valves, in particular to a shell, an actuator and an electric ball valve. The shell comprises an upper shell and a lower shell, the upper shell comprises a first main body shell, a first shell and a second shell which are communicated, the first shell and the second shell are convexly arranged at the top end of the first main body shell, and the bottom end of the first main body shell is opened; the first shell is used for accommodating the driving piece, and the second shell is used for accommodating a control module for controlling the driving piece and a connecting wire between the control module and the driving piece. The lower shell comprises a second main body shell and a connecting part which are communicated, the top end of the second main body shell is opened, and the bottom end of the first main body shell is buckled to the top end of the second main body shell; a groove is formed in the bottom end of the second main body shell, a connecting part is arranged on the inner wall of the groove in a protruding mode, and an output shaft of the driving piece can rotationally penetrate through the connecting part. The actuator and the electric ball valve each comprise the shell, the wire arrangement space is enlarged, the heat dissipation effect of the shell is enhanced, protection on the connecting wire is improved, and the longitudinal space occupied by the shell is reduced.
Owner:ZHEJIANG HUAYI PRECISION MACHINERY CO LTD

Coal oil pump device with air valve

The utility model relates to the technical field of coal oil pumps, and discloses a coal oil pump device with an air valve, which comprises a shell, an oil pumping pipe assembly is arranged on the shell, the oil pumping pipe assembly comprises an oil suction pipe and an oil outlet pipe, a channel for communicating the oil suction pipe with the oil outlet pipe is arranged on the shell, an electric pump is arranged in the oil suction pipe, and a threaded cover is arranged on the shell. The threaded cover is used for being in threaded connection with an external oil storage container, the oil suction pipe is arranged on the inner side of the threaded cover, a cavity is formed in the inner side of the threaded cover, the shell comprises an inner cavity communicated with the outside, the shell is provided with a one-way communicated air valve, and the air valve is communicated from the inner cavity to the cavity. According to the coal oil pump device with the air valve, the air valve is simple in structure and low in production cost; and external air can be sucked through the air valve when negative pressure is generated in the oil storage container, so that the negative pressure in the oil storage container is balanced, subsequent smooth extraction of kerosene is guaranteed, the oil extraction efficiency is high, and the use experience is good.
Owner:GONGJIN LITIAN PUMP NINGBO CO LTD

Vehicle-mounted communication-in-motion tracking device

ActiveCN222562957Uincrease vertical heightlower vertical heightAntenna supports/mountingsAntenna adaptation in movable bodiesIn vehicleGear wheel
The utility model discloses a vehicle-mounted communication-in-motion tracking device, which comprises an antenna reflection disc and an antenna feed source arranged in the antenna reflection disc, and is characterized in that a first cylindrical gear is driven by a first motor to move relative to one end of a moving rail along a first toothed rail so as to drive the antenna reflection disc to be lifted along the arrangement direction of the moving rail, and a first rotating gear is driven by a second motor to rotate; when a vehicle needs to pass through a height-limited road section, a first motor drives a first cylindrical gear to move towards the middle end of the moving rail along a first toothed rail to reduce the height of the antenna reflection disc, and the antenna reflection disc is driven to move towards the middle end of the moving rail along a second toothed rail. The second motor drives the first rotating gear to rotate and drives one end of the moving rail to descend, so that the vertical height of the antenna reflection disc is reduced, the antenna reflection disc component is folded, the occupied volume of the antenna in the vertical height is reduced, a vehicle can conveniently pass through a height-limited road section, and the portability and flexibility of the vehicle-mounted communication in motion are facilitated.
Owner:XI AN SATVIEW SATCOM CO LTD

Device for retracting seat leg at angle, seat support, and seat unit

PendingEP4368066A4lower vertical heightthin thickness
Disclosed are a device for retracting seat leg at angle, a seat support, and a seat unit, including a leg assembly (2) hinged to a front end of a seat frame mount (1), both the footrest driving link (21) and the footrest driven link (22) of the leg assembly (2) are hinged to a front end of the seat frame mount (1) respectively, an end of the first footrest link (23) is hinged to the footrest driving link (21), an opposite end of the first footrest link (23) is hinged to an end of the footrest member (25), an end of the second footrest link (24) is hinged to the footrest driven link (22), an opposite end of the second footrest link (24) is hinged to a middle of the footrest member (25), the footrest member (25) comprises a footrest plate mounting surface (251) used to mount a footrest plate (6), and the footrest plate mounting surface (251) is retracted below the seat frame mount (1) and is oblique with respect to a horizontal plane when the leg assembly (2) is retracted to a limit position.
Owner:REMACRO TECHNOLOGY CO LTD

Steam pipeline drainage device

The invention belongs to the technical field of steam pipeline drainage, and particularly relates to a steam pipeline drainage device which comprises steam pipeline main pipes, a sealing three-way pipe fitting and a drainage pipe, the steam pipeline main pipes are fixedly installed on the left end opening and the right end opening of the sealing three-way pipe fitting correspondingly, and the steam pipeline main pipes on the two sides are coaxially arranged; a revolving seal head is fixedly installed on a third port of the sealing three-way pipe fitting, the revolving seal head and the sealing three-way pipe fitting are integrally formed, a drain pipe is fixedly connected to the revolving seal head, and the drain pipe extends towards the outer side. A steel pipe nipple is omitted, the manufacturing period is shortened, the cost is reduced, the workload of X-ray nondestructive testing is reduced, heat preservation materials and materials of an outer protection pipe are saved, heat dissipation losses all the year round are reduced, the energy-saving and environment-friendly effects are large, and the device is suitable for buried or overhead steam pipelines and convenient to install on site.
Owner:JIANGSU DEXIN PIPELINE TECH CO LTD

Air layer jacquard fabric and weaving process thereof

ActiveCN122082189AReduce direct connection structurereduce distortionWeft knittingStructural engineeringMechanical engineering
This invention discloses an air-layer jacquard fabric and its weaving process, comprising a base fabric area and a jacquard area. The jacquard area is located within the base fabric area and includes an inner jacquard air layer and an outer edge transition area. The jacquard air layer is higher than the base fabric area. The edge transition area includes a connecting area with a mesh area. The side of the connecting area that connects to the jacquard air layer is higher than the side that connects to the base fabric area. The top of the mesh area on the front side of the fabric is sloped, and the aperture of the mesh area on the front side is smaller than the aperture of the mesh area on the back side of the fabric. This invention adds an edge transition area between the jacquard air layer and the base fabric area. The side of the connecting area that connects to the base fabric area is lower than the side that connects to the jacquard air layer, thereby eliminating the structural abruptness problem caused by direct connection between the two. The loop density on both sides of the connecting area is close to the loop density of the base fabric area and the jacquard air layer, respectively, effectively solving the problems of wrinkling, unraveling, or breaking of traditional fabrics.
Owner:ZHEJIANG IND POLYTECHNIC COLLEGE

Ring main unit gas tank with transversely combined switches

The utility model discloses a ring main unit gas tank with transversely combined switches in the technical field of ring main units, which comprises a tank body, a breaking switch and a circuit breaker are transversely arranged in the tank body side by side, the breaking switch is connected with the circuit breaker through a copper bar, an input connecting end is arranged at the lower part of the tank body, and the circuit breaker is connected with the input connecting end. An output connecting end is arranged at the upper part of one side of the box body; and the breaking switch is connected with the output connecting end. According to the ring main unit, the two switches are transversely arranged side by side, so that the vertical height of the box body is reduced, the overall height of the ring main unit is effectively reduced, when the ring main unit is placed in a special occasion with a limited vertical space, a sufficient distance is kept between the top end of the ring main unit and the top of the occasion, control is convenient, and safety can be ensured.
Owner:JIANGSU DEYIDIKANG TECH CO LTD

Anti-shaking stabilizing mechanism of vehicle frame turnover machine

The utility model provides a kind of anti-shaking stabilizing mechanism of car frame turnover machine, it is related to automobile manufacturing equipment technical field, and it includes: turnover machine car frame placing rack, it is fixedly connected between two adjacent turnover machine car frame placing racks by stable connecting frame, reversing pivot is rotatably connected in the middle of stable connecting frame, reversing driven worm wheel is fixedly connected outside reversing pivot, the utility model is used for rope type car frame turnover machine, it is installed in turnover machine car frame placing rack, is equipped with the function of collecting clamp, can be clamped by the contraction of two vertical clamping rods to the car frame that is completed turnover, so that car frame stops shaking, solve the flexible state of the sling of the sling type car frame turnover machine in the prior art, shaking is caused due to lack of limit after completing car frame turnover, lead to its not immediately accurate landing in placing rack, need to wait for its relative stationary to control its stable decline and complete placement, affect the turnover efficiency of car frame, it is not conducive to further improve the efficiency of car frame processing.
Owner:ZHEJIANG PENGHUI AUTOMOBILE TECH CO LTD

Power system of two-wheel self-balancing electric vehicle, computer equipment and readable storage medium of computer equipment

ActiveCN224117446Ulower vertical heightReduce mass distribution heightCycle standsCycle control systemsRemote controlGravity center
The utility model discloses a power system and equipment of a two-wheel self-balancing electric vehicle and a storage medium, the system comprises an inertial measurement unit which is arranged at a pedal plate and is used for measuring the inclination angle of a vehicle body and transmitting the inclination angle to a main control unit; the angle and torque unit is installed at the position of a headstock pipe and used for detecting the turning handle angle and torque data of the vehicle and transmitting the data to the main control unit; the remote control unit is used for sending a command to the main control unit; the rotating handle unit is arranged behind the bicycle head pipe and above the main beam pipe and is used for receiving a command of the main control unit and directly driving the front fork to deflect leftwards and rightwards; the driving unit is used for driving the vehicle to advance; the auxiliary wheel unit is used for receiving signals of the main control unit and controlling auxiliary wheels to ascend and descend. A technical complementation mechanism is formed in the mode that the gravity center of the handlebar is lowered and the auxiliary wheel system is cooperatively matched, autonomous balance running is achieved by adopting rear wheel driving and depending on control over the direction of the handlebar, and running safety and stability are guaranteed.
Owner:TIANJIN INTERNAL COMBUSTION ENGINE RES INST

Geographic information surveying and mapping unmanned aerial vehicle

InactiveCN119284239Aeasy to uselower vertical heightSynchronous controlSurvey instrument
The geographic information surveying and mapping unmanned aerial vehicle comprises a rack, a storage battery and a surveying and mapping instrument, a lock catch is rotationally connected into the rack, a handle is rotationally connected into a notch groove, a linkage piece is arranged in the notch groove, and a limiting structure is arranged in the rack; a surveying instrument is arranged at the bottom of the rack through a suspension frame, and an inserting piece is arranged on the outer side of the suspension frame in a sliding mode; the bottom of the rotary connection frame is rotationally connected with a foot stool, and a pressing piece is arranged at the bottom of the machine frame. According to the invention, firstly, a user can synchronously control the locking state of the storage battery and the surveying instrument and the folding and unfolding state of the foot stool by rotating the handle, so that the purpose of facilitating the operation and use of the user is achieved, secondly, the vertical height of the foot stool is reduced, so that the lifting and environment-friendly folding of the foot stool is realized, and the use is convenient. In cooperation with a detachable unmanned aerial vehicle storage battery and a surveying instrument, the space occupation of the unmanned aerial vehicle is further reduced, and the purpose that a user can conveniently carry the unmanned aerial vehicle outdoors is achieved.
Owner:YUN YI CHUANG XIN ZHI NENG KE JI (NAN TONG) YOU XIAN GONG SI

Combined type double-layer setting device, double-layer tentering setting equipment and double-layer tentering setting system

The invention provides a combined type double-layer setting device and double-layer tentering setting equipment and system. The combined type double-layer setting device comprises a box body with a hot air circulation chamber and a plurality of double-layer setting machines arranged in the box body in the transverse direction, and the adjacent double-layer setting machines are arranged in a staggered mode in the lengthwise direction of the double-layer setting machines; the shell and the box body define an air chamber, the first air spraying mechanism and the second air spraying mechanism are symmetrically arranged along the axis of the shell and communicate with the air chamber, the hot air supply mechanism is formed in a hot air circulation chamber and communicates with the air chamber, and the hot air supply mechanism and the shell are formed on the same side of the box body. And the air supply mechanism is used for conveying hot air to the first air spraying mechanism and the second air spraying mechanism. According to the combined type double-layer shaping device, the vertical height of the combined type double-layer shaping device is reduced, the overall layout of the combined type double-layer shaping device is more compact and orderly, and occupied space resources are reduced.
Owner:WUXI XINYI MASCH CO LTD

Memory and manufacturing method thereof

ActiveCN119451101Areduce the horizontal arealower vertical heightSemiconductorSemiconductor technology
The invention belongs to the technical field of semiconductors, and particularly relates to a memory and a manufacturing method thereof, the memory comprises a substrate and at least one memory layer, the memory layer is formed on the substrate, the memory layer comprises a memory unit, and the memory unit comprises a read transistor, comprising a first grid electrode, a first semiconductor layer at least horizontally surrounding the peripheral side of the first grid electrode and a first grid insulating layer formed between the first grid electrode and the first semiconductor layer, the first grid electrode comprises a grid bottom wall and a grid side wall, the grid side wall horizontally surrounds the grid bottom wall and extends in the direction away from the substrate, and a grid groove is defined by the grid side wall and the grid bottom wall; the writing transistor comprises a second grid electrode, a second semiconductor layer at least horizontally surrounding the peripheral side of the second grid electrode and a second grid insulating layer formed between the second grid electrode and the second semiconductor layer, and part of the second semiconductor layer is embedded in the grid electrode groove and is in contact with at least part of the grid electrode groove. The memory of the scheme can reduce the technical difficulty of the process while improving the storage density.
Owner:SWAYSURE TECHNOLOGY CO LTD

Lens structure, light source and detection equipment

ActiveCN121993759AReduce layout volumeachieve positiveLighting applicationsMechanical apparatusLight beamEngineering
The invention discloses a lens structure, a light source and detection equipment, the lens structure specifically comprises a positive lens part and a side lens part which are integrally formed, the positive lens part is arranged between the two side lens parts, and the positive lens part is used for enabling a positive main light beam to be incident by a positive light bead and orthogonally incident on a detection station; the side lens part is used for allowing the side light bead to enter a side main light beam and obliquely irradiating the side main light beam on the detection station; and a reflecting surface is formed on the end part, far away from the positive lens part, of the side lens part, and is used for reflecting a side secondary light beam of an opposite side light lamp bead on the detection station after penetrating through the opposite side lens part. According to the structure, the positive light lamp beads and the side light lamp beads can emit light to the corresponding lens parts in a compact space, so that the overall transverse size and the overall longitudinal height are remarkably reduced. Meanwhile, the reflecting surface is formed on the side lens part, so that the overall efficiency of side light illumination is improved, the lamp bead power does not need to be additionally increased, and the power consumption is further reduced. Therefore, the arrangement volume of the light source and the power consumption can be reduced.
Owner:MYNICE OPTOELECTRONICS CO LTD

Packaging box capable of reheating food

The utility model provides a packaging box capable of reheating food, and belongs to the technical field of food packaging boxes. The technical problem that an existing self-heating food box cannot adapt to take-out and take-out scenes is solved. According to the packaging box capable of reheating the food, a middle box is placed in a bottom box, a cavity used for containing a heating bag is formed between the lower side face of the middle box and the bottom of the bottom box, a turned edge protruding outwards is formed on the upper portion of the middle box, the turned edge and the upper edge of the bottom box are assembled in a loose mode, and a top cover is detachably connected with the edge of the middle box in a sealed mode. A containing cavity used for containing food is defined by the top cover and the middle box, a lower vent hole capable of communicating the containing cavity with the outside is formed in the top cover, and an anti-leakage plug for preventing soup from leaking is installed at the position of the lower vent hole. The utility model has the advantages of low center of gravity, stable placement, no leakage, safe heating and the like, and can be well adapted to take-out and take-out use scenes.
Owner:OTOR TECHNOLOGY CO LTD

Double outlet compound setting device, double layer tenter setting equipment, system and application

The application provides a double-outlet compound setting device, a double-layer tentering setting equipment, a system and an application. The double-outlet compound setting device comprises a shell with an air chamber, a double-outlet air supply mechanism, a first air outlet mechanism and a second air outlet mechanism, and a hot air mechanism. The double-outlet air supply mechanism comprises an air supply assembly and a guide arranged in the air chamber along an axis center and formed on the periphery of the air supply assembly. The guide divides the air chamber to form an air guide channel. The air guide channel forms two air supply outlets with opposite outlet directions in the vertical direction. The air supply assembly sucks hot gas in the hot air mechanism into the air chamber. The hot gas flows in the air guide channel in a spiral direction and is respectively delivered to the first air outlet mechanism and the second air outlet mechanism through the two air supply outlets with opposite outlet directions. Through the application, the vertical height of the device is reduced, the structure of the double-outlet compound setting device is more compact, the occupation of space resources is reduced, and energy consumption is reduced.
Owner:WUXI XINYI MASCH CO LTD

A micro flat structure FDC piercing connector

ActiveCN119153990Blower vertical heighthigh strengthAnatomyMechanical engineering
The present invention discloses a miniature flat structure FDC piercing connector, which belongs to the field of connector technology. The connector includes a plurality of male terminals, a female housing, a positioning auxiliary, a male housing and a plurality of female terminals; the male housing is a flat rectangular cavity, and a plurality of parallel female terminal mounting holes are arranged on its front end face, and the female terminals are arranged inside the male housing through the female terminal mounting holes, and the positioning auxiliary is installed on the top of the male housing, which is used to limit the female terminals installed in the male housing; the female housing is a flat rectangular cavity, and a plurality of male terminals are arranged in a plurality of hidden grooves on the rear end face of the female housing, and the male housing is plugged into the inside of the female housing through the front end opening of the female housing, and the male terminals and female terminals in corresponding positions are in contact to form an electrical connection. The connector provided by the present application reduces the traditional vertical height through structural design, improves the overall strength, realizes the flattening of the overall structure, and better adapts to the application requirements of small spaces.
Owner:GUANGDONG HONGRU TECH CO LTD

Concrete taking device

The utility model provides a concrete taking device, and belongs to the technical field of concrete taking. A concrete taking device comprises a taking chamber and a cutting bin, a taking silo, a taking funnel and a driving mechanism are arranged in the taking chamber, two long holes are symmetrically formed in a bottom plate of the taking chamber, a feeding pipeline is arranged on a top plate of the taking chamber, and the taking silo is fixedly connected with the feeding pipeline; and the driving mechanism is connected with the material taking funnel and is used for driving the material taking funnel to move. The utility model has the advantage of reducing material waste.
Owner:HAINING JIAHAI CONCRETE CO LTD

A heavy-duty AGV transfer vehicle

PendingCN122561173Alower the altitudelower vertical height
This invention belongs to the field of material handling equipment technology and discloses a heavy-duty AGV transfer vehicle, including a vehicle body, a support unit, a traveling unit, a drive unit, and a control unit. A clearance groove is recessed on the top of the vehicle body. The support unit is located on the top of the vehicle body and has a receiving portion extending along the length of the vehicle body and two overlapping portions located at both ends of the receiving portion, the overlapping portions being bent and connected to the receiving portion. The vertical height of the two overlapping portions is the same and greater than the vertical height of the receiving portion. The receiving portion has a clearance state embedded in the clearance groove and an initial bearing state partially extending out of the clearance groove. In the clearance state, the two overlapping portions press against the vehicle body on both sides of the clearance groove. The traveling unit is located at the bottom of the vehicle body, and two drive units are both located on the vehicle body, with each drive unit corresponding to one of the two overlapping portions for transmission. The control unit is located on the vehicle body and is communicatively connected to both the drive unit and the traveling unit, effectively reducing the vertical height of the heavy-duty AGV transfer vehicle and preventing obstruction of its passage.
Owner:BEIJING RAILWAY INST OF MECHANICAL & ELECTRICAL ENG

Special cylinder for flat type short-stroke push plate

ActiveCN224074883USufficient push and pull forcelower vertical heightFluid-pressure actuatorsHot runnerInjection product
The utility model relates to a special cylinder for a flat short-stroke push plate, and belongs to the technical field of injection molding hot runners. Comprising a cylinder body, a top cover used for sealing and covering is arranged at the top of the cylinder body, a closed cavity is formed in the cylinder body, a reciprocating piston is arranged in the cavity, the bottom end of the piston extends downwards from the interior of the cylinder body, a fixedly-connected piston rod is arranged at the bottom of the piston, the cylinder body and the cavity are of a flat structure, and an annular edge protruding outwards is arranged at the top of the piston. The bottom of the plug rod is provided with a fixedly-connected push plate, and the bottom of the push plate is provided with a plurality of fixedly-connected needle valves. According to the scheme, the piston and the inner cavity are arranged to be of a flat structure, the longitudinal height of the cavity is reduced, the horizontal width of the cavity is increased, the longitudinal height is reduced, so that the stroke of the piston is shortened, when air enters the cavity, the piston moves slowly, control over the push plate and the needle valve is finer and more stable, and the precision of injection products is improved.
Owner:TAIZHOU HUANGYAN KEYA MOLDING TECHNOLOGY CO LTD

A gate device for hydraulic engineering

The utility model discloses a gate equipment for hydraulic engineering, including gate and the gate pier that cooperates with gate. The gate includes gate leaf structure, lifting lug structure, cantilever roller and water stop device, and the lifting lug structure is established at the back of gate leaf structure bottom, and the cantilever roller is arranged in the side beam both sides of gate leaf structure, and the water stop device is attached on the gate. The gate pier is equipped with a door groove that cooperates with cantilever roller, and the main rail straight rail and the reverse rail straight rail that are matched with cantilever roller respectively. The upper portion of connecting reverse rail straight rail is further equipped with reverse rail arc rail, and the vertical direction height of reverse rail arc rail is lower than the main rail straight rail. The utility model discloses the forward inclination lift-lie type gate that leans down to the upstream, and the following advantages have compared to lift-lie type gate, the steel wire rope and the movable pulley of gate hoist equipment are not in the water, and the life is long. The gate water stop device is simple, and the rubber friction is small, and the hoist machine capacity is small, and the high altitude falling object is not produced. The gate unilateral multiple support arrangement is arranged, and the water pressure of bearing is not limited, and the large area orifice can be closed.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER CONSTR ENG CONSULTING BOHAI CO LTD