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44 results about "Valve gear" patented technology

The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It can also serve as a reversing gear. It is sometimes referred to as the "motion".

Precision detection device for valve gear box gear production

InactiveCN119665882Areduce intervention timeShort detection cycleMachine part testingGear wheelMotronic
The invention discloses a precision detection device for valve gearbox gear production, and the device comprises a detection platform which comprises a detection structure and a lifting structure which are disposed on a platform surface, and a feeding assembly which is disposed at the front side of the detection platform and is used for intermittently conveying gears to the rear side, the feeding assembly comprises an electric conveying frame and a belt installed on the electric conveying frame, a plurality of spacing bars arranged at equal intervals are installed on the belt, and guide plates used for guiding a to-be-detected gear to be discharged backwards along the central axis are connected to the two sides of the electric conveying frame in an inserted mode. And the distance between the bottom of the guide plate and the top face of the belt is larger than the height of the spacing bar, and the conveying structure is arranged on the rear side of the feeding assembly. In the whole operation process, the manual intervention time can be effectively shortened, the detection period is shortened, meanwhile, safety is improved, in addition, bidirectional clamping and fixing can be conducted along the inner ring and the outer side of the gear to be detected, and the stability of follow-up rotation of the gear to be detected and the reliability of a detection result are guaranteed.
Owner:ANHUI OSTO TECHNOLOGY CO LTD

Combined air inlet two-stage combustion six-stroke engine

The invention discloses a combined air inlet two-stage combustion six-stroke engine, and relates to the field of power energy. In order to overcome the defects that in the prior art, a six-stroke engine is insufficient in gas inlet in the secondary combustion stage, poor in oil-gas mixing quality and low in combustion efficiency, according to the technical scheme, the six-stroke engine comprises a combustion chamber assembly, a fuel injector, a transmission mechanism and a gas distribution mechanism; the gas distribution mechanism comprises a gas inlet pipeline, an exhaust pipeline, a gas storage cavity, a gas inlet pipeline valve, a scavenging duct and a scavenging duct one-way valve, the working cycle of the engine comprises two times of gas inlet and two times of oil injection combustion acting, and the gas storage cavity releases gas to supplement fresh air in the combustion chamber in the second time of gas inlet. The combustion chamber assembly comprises a cylinder, a piston and a cylinder cover, the piston reciprocates in the cylinder, and the cylinder and the cylinder cover are closed to form a combustion chamber. The invention is suitable for improving the heat efficiency and output performance of the engine, especially for an internal combustion engine power system requiring multiple combustion work.
Owner:HARBIN ENG UNIV

Waterproof valve gearbox

The utility model relates to the technical field of valve gear boxes, in particular to a waterproof valve gear box which comprises a valve body and a limiting device, a base is fixedly connected to the side face of the valve body, a main body is arranged at one end of the base, a rotating column is arranged on the upper surface of the main body, and a rotating handle is fixedly connected to one end of the rotating column. The limiting device is arranged on the surface of the rotating column, the limiting device comprises a rotating block and a limiting groove, the rotating block is fixedly connected with the surface of the rotating column, the limiting groove is formed in the surface of the main body, and a sliding hole is formed in the inner wall of the rotating block. According to the equipment limiting device, the rotating block is effectively limited, the effect of limiting and stabilizing the rotating column is achieved, when the equipment is used, after a user rotates the rotating handle for adjustment, the rotating handle is prone to being subjected to external force to automatically rotate, fine adjustment is conducted on the interior of the main body, and the situation that the adjusted part in the equipment is difficult to limit is caused; and the situation that the equipment is difficult to use is avoided, and the stability of the equipment is improved.
Owner:KUMERA (CHINA) CO LTD

Fluid control device

The invention provides a fluid control device capable of suppressing the variation of the inter-shaft distance along with the rotation of a valve gear as much as possible. The fluid control device is provided with a valve gear (6) which is fixed on a shaft (4) for supporting a butterfly valve (5). An end portion of the shaft (4) is fixed to a shaft mounting hole (17) of a connecting member (16) of the valve gear (6) through an umbrella-shaped fixing portion (18). The area center of a region (A) of the shaft mounting hole (17) overlapping the umbrella-shaped fixing part (18) is positioned on a reference straight line (S) passing through the rotation center of the shaft (4), and in a fully closed state, the umbrella-shaped fixing part (18) is inserted into the umbrella-shaped fixing part (18). The magnitude of an angle ([theta] 2) formed in the closing direction by the reference straight line (S) with respect to a gear straight line (GL) passing through the center of rotation of a drive gear (8) for driving the valve gear (6) and the center of rotation of the shaft (4) is equal to or less than a movable angle ([theta] 1).
Owner:ASTEMO LTD

Longitudinal rotating indoor ac metal-enclosed switchgear

The utility model discloses a kind of longitudinal spin indoor ac metal-enclosed switchgear, including cabinet, and contact box device, valve gear, longitudinal spin isolation vacuum circuit breaker, inductance device arranged from top to bottom in cabinet, driving assembly is respectively acted on longitudinal spin isolation vacuum circuit breaker and valve gear;By longitudinal spin isolation vacuum circuit breaker and the partial stroke of valve, that is, longitudinal spin isolation vacuum circuit breaker and valve gear share a driving assembly, but the time point of valve being driven by driven assembly precedes longitudinal spin isolation vacuum circuit breaker end or later than longitudinal spin isolation vacuum circuit breaker execution.Such shortens the movement stroke of valve, reduces its space requirement in cabinet, realizes the miniaturization of longitudinal spin indoor ac metal-enclosed switchgear.
Owner:GUANGDONG WEINENG ELECTRIC CO LTD

Valve mechanism of switch cabinet

The utility model discloses a switch cabinet valve mechanism, which relates to the field of a movable door of a switch cabinet circuit break chamber and comprises two guide rods positioned at one end of the inner wall of the circuit break chamber, a guide rail fixedly mounted on the side wall of the circuit break chamber and a second fixing lug fixedly mounted at the bottom end of the inner wall of the circuit break chamber. Two movable doors are slidably installed on the outer wall of the guide rod, the two ends of one side of each movable door are connected with the guide rails through swing arm mechanisms, telescopic mechanisms are rotatably installed on the inner sides of the second fixing lugs, and the ends, away from the movable doors, of the swing arm mechanisms are connected with the telescopic mechanisms through pushing mechanisms. According to the utility model, the limiting disc, the pushing mechanism, the pushing frame in the pushing mechanism and the guide groove with the vertical groove part and the inclined groove part are arranged, so that when the circuit breaker is not completely inserted, the two movable doors are in a maximum opening state, and interference-free butt joint of an electric plug and an electric socket of the circuit breaker is ensured.
Owner:SHANDONG CHUNFAN ELECTRICAL EQUIP CO LTD

A multi-rotation valve gear box and method of use thereof

The application provides a multi-rotation valve gear box and a use method thereof, and belongs to the technical field of gear boxes. The gear box comprises a box body, a transmission shaft and a driving shaft. A driven bevel gear is arranged on the transmission shaft. An active bevel gear is arranged at one end of the driving shaft. An oil storage cavity is arranged at the end of the active bevel gear. A fixed shaft is arranged in the box body. One end of the fixed shaft extends into the oil storage cavity. An oil channel is arranged in the fixed shaft and is communicated with the oil storage cavity. A plurality of first channels are arranged on the active bevel gear and penetrate the active bevel gear in the circumferential direction. The outlet end of the first channel is located at the root of the adjacent teeth of the active bevel gear. A first oil path communicated with the inner cavity of the box body and a second oil path communicated with the oil channel are arranged on the box body. The first oil path and the second oil path are respectively connected with an opening degree control valve. In the application, the lubricating oil can be more effectively and uniformly covered on the tooth surface needing lubrication. Especially when the gear is running at high speed or bearing high load, a stable lubricating oil film can be formed, and the gear wear can be significantly reduced.
Owner:ZHEJIANG SINPOUS MEASUREMENT & CONTROL TECH CO LTD

Water heating system

To provide a water heating system capable of appropriately preventing or suppressing an abnormality of high temperature hot water delivery while using a valve gear enabling flow rate control in a predetermined temperature control range mode and flow rate control range mode as hot water flow rate control means.SOLUTION: A valve gear A of a water heating system WH can sequentially execute flow rate control in a temperature control range mode capable of controlling a hot water delivery temperature to outside by changing a mixed flow rate of heated hot water from a heat exchanger 11 and bypass hot water and in a flow rate control range mode capable of controlling a total flow rate of hot water flowing in the valve gear so that a flow rate of the heated hot water is changed while a flow rate of bypass hot water is maintained to a predetermined minimum flow rate or lower as a control mode, in a process in which a rotating angle of a motor drive shaft 8 for valve motion changes between predetermined first angle α1 and second angle α2. When a first condition where an outlet side temperature Tout of the heat exchanger 11 is higher than a predetermined reference temperature Ta is satisfied, change from the temperature control range mode and a boundary between the temperature control range mode and the flow rate control range mode to the flow rate control range mode is prohibited.SELECTED DRAWING: Figure 1
Owner:NORITZ CORP

A special involute spline plug gauge for high power density diesel engine valve gear

The utility model relates to a special involute spline plug gauge for high power density diesel engine gear, belongs to plug gauge technical field, specifically includes plug gauge head and handle, one side of plug gauge head is connected with handle, plug gauge head is the columnar structure, and one first spline rack is arranged on both sides of the columnar structure respectively, both sides first spline rack symmetrically sets up, two second spline racks are arranged on the other two sides of the columnar structure respectively, both sides second spline rack symmetrically sets up, first spline rack and second spline rack are same with the design parameter of diesel engine gear, the utility model can effectively improve detection accuracy and detection efficiency, and be mainly used in the detection of high power density diesel engine gear.
Owner:SHANXI NORTH HENGTONG POWER SYSTEM CO LTD

Door interlocking device

The utility model discloses a door interlocking device which comprises an interlocking rod, one end of the interlocking rod is provided with a hook portion used for locking the closing state of a handcart chamber door, and the handcart chamber door is provided with an interlocking bolt used for being connected with the hook portion in a clamped mode. The other end of the interlocking rod is arranged to be a transmission end used for being connected with a valve mechanism in a handcart chamber in a transmission mode, and an interlocking axis used for being fixedly connected with the handcart chamber is arranged in the middle of the interlocking rod in a hinged mode. According to the utility model, a linkage structure of the interlocking rod and the valve mechanism is arranged, when the handcart chamber door is operated to be closed to enable the handcart to be rocked into a working position, the handcart chamber door is synchronously locked through the interlocking rod, so that an operator cannot open the handcart chamber door without additional active locking operation of the operator, and the electrical five-prevention requirement is met.
Owner:WECOME GRP

Valve mechanism of power distribution equipment

The utility model discloses a power distribution equipment valve mechanism which comprises two guide rods which are symmetrically arranged, an upper valve and a lower valve which are movably arranged on the two guide rods, hard chromium layers are plated on the surfaces of the guide rods, connecting grooves are formed in the two sides of the upper valve and the two sides of the lower valve, connecting sleeves are arranged in the connecting grooves, and the upper valve and the lower valve are connected through the connecting sleeves. The connecting sleeve is connected with the two guide rods in a sleeved mode, a plurality of oil storage cavities are formed in the inner wall of the connecting sleeve in the radial direction and filled with lubricating oil, a wear-resisting ring is arranged between every two adjacent oil storage cavities, and sealing rings are arranged at the positions, close to the outlets, of the two ends of the inner wall of the connecting sleeve. The connecting sleeves are arranged on the two sides of the upper valve and the two sides of the lower valve, so that the upper valve and the lower valve are prevented from making direct contact with the guide rod, the effect of reducing friction is achieved, sliding of the valves is smoother, the clamping stagnation phenomenon is avoided, abrasion is reduced, and the service life is prolonged; and large noise generated when the upper valve and the lower valve slide is avoided.
Owner:ZHEJIANG TEFA ELECTRIC CO LTD

Valve gear box gear lubricating grease smearing device

The invention relates to the technical field of gear smearing, in particular to a valve gearbox gear lubricating grease smearing device which comprises a smearing base, a smearing mechanism for evenly spraying lubricating grease on a gear to be smeared when the gear to be smeared rotates is arranged on the smearing base, and the smearing mechanism comprises a spraying box fixedly installed at the top of one side of the smearing base; the rotating transverse shaft is arranged at the bottom of the spraying box, penetrates through the coating base and rotates with the coating base through a bearing, an extrusion coating assembly used for spraying lubricating grease to the gear to be coated is arranged on the spraying box, and a driving part used for driving the positioning assembly firstly and then synchronously driving the rotating transverse shaft and the extrusion coating assembly to operate is arranged on the inner side of the coating base. According to the gear lubricating device, lubricating grease can be smeared more evenly, it is guaranteed that the surface of a gear is comprehensively lubricated, local abrasion of the gear can be reduced, the situation of lubricating grease waste can be prevented, the optimal lubricating effect of the gear is guaranteed, and the service life of the gear is prolonged.
Owner:ANHUI OSTO TECHNOLOGY CO LTD

Valve gear

To provide a valve gear which adopts a valve body made of a resin material and flange part deformation inhibition means to achieve reduction of the weight and improvement of pressure resistance.SOLUTION: A valve gear 100a housed in a housing H includes: a valve body 20 made of a resin material; a seal metal fitting 10 which has an annular flange part 12 and in which the inner peripheral side of the flange part 12 is insert-molded in the valve body 20; a case 71 defining a housing space 3; and flange part deformation inhibition means which inhibits deformation of the flange part 12. A seal member O1 provided at a seal member housing groove Gs of the housing H is sandwiched between the flange part 12 and the seal member housing groove Gs to seal the housing space 3 and thereby separate the housing space 3 from an external environment. The flange part deformation inhibition means fixes the case 71 to a portion on the other end surface of the flange part 12, which is located adjacent to an inner peripheral edge of the seal member O1 when viewed from an axis L direction.SELECTED DRAWING: Figure 2
Owner:SAGINOMIYA SEISAKUSHO INC

Motor valve and valve gear

To provide a motor valve and a valve gear which can be arranged in a small space.SOLUTION: A motor valve 1 includes a valve body assembly 5, and a stator unit 8 fixed to the valve body assembly 5, the valve body assembly 5 having a valve body 10 having a valve chest 12 and a valve port 13, a cylindrical rotor case 30 mounted to the valve body 10, a cylindrical rotor 40 arranged inside the rotor case 30, and a valve element 20 to be moved with the rotation of the rotor 40, the stator unit 8 having a stator 90 arranged inside the rotor 40 to construct a stepping motor 98 together with the rotor 40, and a synthetic resin housing 80 having a cylindrical connector part 87.SELECTED DRAWING: Figure 4
Owner:FUJIKOKI MFG CO LTD

Valve gear

A valve gear includes a valve main body having a valve chamber in an inner portion, a valve body having a flow channel space in an inner portion and changing a flow rate for fluid by being rotated and driven within the valve chamber, a first flow channel hole formed in the valve main body and communicated with the flow channel space to allow the fluid to pass through, a second flow channel hole formed in the valve main body changing a communicated state with the flow channel space by a rotational displacement position of the valve body and allowing the fluid to pass through when being communicated with the flow channel space, and a transmission mechanism including a valve body drive shaft transmitting a drive force for rotating the valve body to the valve body. Rotation axes of the valve body and the valve body drive shaft are orthogonal.
Owner:FUJIKOKI CORP

Throttle valve gear machining die

ActiveCN222681483UGear wheelsGear wheelPinion
The utility model discloses a throttle valve gear machining die which comprises a base, a die plate is installed above the base, a step plate is arranged on the left side of the upper surface of the die plate, a driving gear groove is formed in the surface of the step plate, a valve gear groove is formed in the right side of the upper surface of the die plate, and a small gear is arranged on one side of the valve gear groove. Connecting rods are connected to the left and right sides of the template in a penetrating manner, and gasket caps are mounted at the ends, away from the template, of the connecting rods in a threaded manner; the step plates are arranged on the mold plate, the surface of the mold plate is in a high-low state through the step plates, the valve gear groove and the small gear are arranged on the high face of the mold plate, the valve gear groove and the small gear are meshed with each other, and therefore after the valve gear groove and the small gear are demolded and shaped, adaptation can be completed; meanwhile, a driving gear groove is formed in the lower face of the mold plate, the driving gear groove is matched with a valve gear groove and a small gear, and a whole set of throttle valve gears can be formed through the fixed mold.
Owner:WENZHOU STRENGTH MOULD TECH CO LTD

Motor-operated valves and valve gear

To provide a motorized valve and a valve device that can be arranged in a small space. [Solution] The electric valve 1 has a valve body 10 having a valve chamber 12 and a valve port 13, a cylindrical rotor case 30 attached to the valve body 10, a cylindrical rotor 40 arranged inside the rotor case 30, a valve body 20 that moves in response to the rotation of the rotor 40, and a stator 90 arranged inside the rotor 40 and which, together with the rotor 40, constitutes a stepping motor 98.
Owner:FUJIKOKI MFG CO LTD

Valve gear, check valve, and refrigeration cycle system

To provide a valve gear, a check valve, and a refrigeration cycle system, by which it is possible to reduce collision noise on the occurrence of chattering under a slight differential pressure environment between primary and secondary mutual during use in a longitudinally mounted attitude.SOLUTION: A check valve 1 (valve gear) includes a spill port 122c (spill flow channel) disposed in a valve holder 122 among the valve holder 122 of a valve main body 12 and a valve body 13. If the valve body 13 enters a valve open state, the spill port allows a fluid to escape from a valve port 121c of a valve seat part 121 to an interior of an outer pipe part 11 in a smaller distribution amount than a distribution amount during a fully open of a communicating hole 122b before a lower end surface of the valve body 13 reaches an open position P11 of the communication hole 122b penetrating a peripheral wall 122a of the valve holder 122.SELECTED DRAWING: Figure 1
Owner:SAGINOMIYA SEISAKUSHO INC

Valve gear box lubricating grease online monitoring device and monitoring method

The invention relates to a valve gear box lubricating grease online monitoring device and method, the monitoring device comprises a monitoring module and a station control system, and the monitoring module is used for being installed in a gear box, is in communication connection with the station control system and is used for monitoring parameters of lubricating grease in the gear box. The device has the advantages of being simple in structure, reasonable in design, capable of achieving real-time monitoring of relevant parameters of lubricating grease in the valve gear box, avoiding frequent opening of the valve gear box, high in efficiency and capable of guaranteeing normal use of the gear box.
Owner:PIPECHINA SOUTH CHINA CO

Multi-rotation type valve gear box and using method thereof

The invention provides a multi-rotation type valve gear box and a using method thereof, and belongs to the technical field of gear boxes, the gear box comprises a box body, a transmission shaft and a driving shaft, a driven bevel gear is arranged on the transmission shaft, a driving bevel gear is arranged at one end of the driving shaft, an oil storage cavity is formed in the end of the driving bevel gear, and a fixing shaft is arranged in the box body; one end of the fixing shaft extends into the oil storage cavity, an oil channel communicated with the oil storage cavity is formed in the fixing shaft, a plurality of first channels are formed in the driving bevel gear in the circumferential direction in a penetrating mode, the outlet ends of the first channels are located at the tooth root portions of adjacent teeth on the driving bevel gear, and a first oil way communicated with an inner cavity of the box body and a second oil way communicated with the oil channel are arranged on the box body. And the first oil way and the second oil way are respectively connected in series with an opening control valve. According to the invention, it can be ensured that the lubricating oil more effectively and uniformly covers the tooth surface needing to be lubricated, especially when the gear rotates at a high speed or bears a high load, a stable lubricating oil film can be formed, and gear wear is significantly reduced.
Owner:ZHEJIANG SINPOUS MEASUREMENT & CONTROL TECH CO LTD

A screw compressor expansion valve with convenient valve seat replacement

The present invention relates to a screw machine expansion valve that facilitates valve seat replacement, which defines a first flow section, a second flow section and a connection port that interconnects the first flow section and the second flow section, an actuating mechanism includes a stepping motor and a driving shaft connected to the stepping motor, a valve mechanism includes a discharge piston connected to the driving shaft, a first sealing sleeve is provided on the valve body, the valve mechanism also includes a second sealing sleeve embedded in the first sealing sleeve, a sleeve is provided in the second sealing sleeve and located on the outer periphery of the discharge piston, and the discharge piston is provided with a head in the valve body, and the movement of the head at the connection port realizes the opening and closing of the connection port. By arranging the sleeve in the valve mechanism, the size of the valve seat and the actuating mechanism are freely combined, and valve seats of different sizes can be adapted to the same valve mechanism, which reduces the cost of product development on the one hand, and on the other hand, when the valve seat is damaged, the valve seat can be directly replaced without adapting the corresponding valve mechanism.
Owner:ZHEJIANG HENGSEN IND GROUP

Gear pin feeding and press-fitting equipment for throttle valve

ActiveCN223198450UMetal working apparatusGear wheelValve gear
The utility model discloses gear pin feeding and press-fitting equipment of a throttle valve. The gear pin feeding and press-fitting equipment comprises a shell feeding and press-fitting device, a gear pin feeding device located at the side end of the shell feeding and press-fitting device and a press-fitting device located above the gear pin feeding device and in butt joint with the shell feeding and press-fitting device. The press-fitting device comprises a press-fitting support, a transfer frame installed on a top plate of the press-fitting support through a linear sliding rail, a switching electric cylinder installed on the top plate of the press-fitting support and driving the transfer frame to move, a servo electric cylinder vertically installed on the transfer frame and a material suction assembly driven by the servo electric cylinder to move up and down. By means of the mode, the gear pin can be automatically fed and pressed in place, staggered feeding is carried out in order, the feeding position and the pressing position are staggered, and safety is guaranteed.
Owner:KUNSHAN LITE AUTOMATION EQUIP

Gear cutting equipment for valve gear machining

The invention belongs to gear cutting equipment, particularly relates to the field of valve gear machining, and discloses gear cutting equipment for valve gear machining. The gear cutting equipment comprises a base, a groove is formed in one side of the upper end face of a supporting table, the top of a second sleeve penetrates through the supporting table and the groove and is connected with a rotating disc, and a square block is fixed to one side of the rotating disc; electric telescopic columns are symmetrically fixed to the two sides of the upper end face of the base, second motors are fixed to the tops of the electric telescopic columns, the tops of the second motors are connected with rotating columns, a bearing plate is fixed to one side of the upper end face of the base, and one side of the bearing plate is connected with third motors through electric telescopic rods; and the output end of the third motor is connected with the gear cutting piece. According to the gear cutting equipment for valve gear machining, the effect of automatic positioning can be achieved, positioning operation is automatic and efficient, then the rotating disc rotates to drive the valve gear to rotate, meanwhile, the gear cutting piece is close to the valve gear while rotating, and automatic gear cutting operation is facilitated.
Owner:JIANGSU HAIDA PIPE FITTINGS GROUP

Variable valve gear with independent control of multiple inlet valves

The invention relates to a variable valve gear (200) for an internal combustion engine, having a plurality of valve groups (7-1, 7-2) with inlet and outlet valves (70-1, 70-2; 78-1; 78-2). The valve gear (200) comprises an outlet valve actuation system (5), having a common outlet valve actuation shaft (520) for actuating the outlet valves (78-1, 78-2), and separate inlet valve actuation systems (2-1, 2-2) for actuating the inlet valves (70-1, 70-2) of each valve group (7-1, 7-2). Each inlet valve actuation system (2-1, 2-2) has its own pivoting frame (80-1, 80-2), the pivoting frames being pivotal independently of one another, and the outlet valve actuation shaft (520) is rotationally coupled to the inlet valve actuation systems (2-1, 2-2).
Owner:EISENBEIS UWE

Multi-rotation type valve gear box convenient to disassemble and assemble

The utility model discloses a multi-rotation type valve gear box convenient to disassemble and assemble, and relates to the technical field of gear boxes, the multi-rotation type valve gear box convenient to disassemble and assemble comprises a gear box body and an installation supporting column arranged on the gear box body, and a fixing frame is fixedly installed on one side of the gear box body. A lower clamping plate and an upper clamping plate are installed on the upper side and the lower side of the fixing frame through telescopic springs correspondingly and are both in sliding connection with the exterior of the gearbox body, abutting plates are fixedly connected to the left side and the right side of the lower clamping plate and the left side and the right side of the upper clamping plate correspondingly, and two dismounting and mounting mechanisms are arranged on the exterior of the gearbox body. And the two dismounting and mounting mechanisms are arranged on the left side and the right side of the mounting supporting column correspondingly, each dismounting and mounting mechanism comprises a support, rotating shafts are symmetrically and rotationally mounted in the supports, and the outer portions of the rotating shafts are fixedly sleeved with top plates. The whole process of installing and limiting the equipment can be completed only by using the driving hand wheel as one part, the disassembly is similar, the operation steps are saved, and the disassembly and assembly are convenient.
Owner:ANHUI OSTO TECHNOLOGY CO LTD

An oilfield layered water injection wellbore hydraulic control valve gear intelligent optimization system and method

This invention relates to an intelligent optimization system and method for the hydraulic control valve position of a layered water injection wellbore in an oilfield. The method includes constructing a hydraulic control valve opening optimization model; inputting the injection volume and wellhead pressure; inputting model parameters into the hydraulic control valve opening optimization model to output the solution result using a preset model algorithm; determining whether the solution result meets preset target conditions, wherein if the solution result meets the preset target conditions, the current solution result is output; if the solution result does not meet the preset target conditions, the initial input step is returned until a solution result that satisfies the cumulative difference error constraint between the actual injection volume and the injection volume of each layer is obtained. The solution result includes outputting one or more of the following: the minimum error value between the actual injection volume and the injection volume, the optimal hydraulic control valve position, and the actual injection volume of each layer, and the solution result takes the minimum cumulative difference between the actual injection volume and the injection volume of each layer as the objective.
Owner:BEIJING YADAN PETROLEUM TECH DEV CO LTD +1

Speed change mechanism and fluid control valve

ActiveCN115111067BFluid controlGear wheel
A variable speed mechanism and a fluid control valve. The variable speed mechanism includes an intermediate shaft (36) fixed to a support portion (56) provided to a valve body of an electric throttle valve and arranged in parallel with a motor shaft and a valve shaft, and an intermediate gear (38) rotatably arranged to the intermediate shaft, the intermediate gear (38) having a first intermediate gear (41) engaged with a motor gear fixed to the motor shaft and a second intermediate gear (42) engaged with a valve gear fixed to the valve shaft, the first intermediate gear (41) and the second intermediate gear (42) being arranged in line along an axis direction of the intermediate shaft (36) and integrally formed, a lower end portion of the intermediate gear (38) being formed with a semispherical recessed portion (55) recessed upward with a center of an axis of the intermediate shaft (36), and an opposite surface of the support portion (56) opposite to the recessed portion (55) of the intermediate gear (38) being formed with a semispherical protruded portion (57) protruded upward with the center of the axis of the intermediate shaft (36) and supporting the recessed portion (55).
Owner:MIKUNI CORP

Valve gear box with high waterproof sealing performance

The utility model relates to the technical field of valves, in particular to a valve gear box with strong waterproof sealing performance, which comprises a box body and a box cover connected with the top end of the box body through a fixing bolt, the top end of the box cover is provided with a reinforcing mechanism convenient for overhauling the internal structure of the box body, and the box body is internally provided with a transmission mechanism for stable transmission. Through the arrangement of the reinforcing mechanism, when the internal structure of the box body needs to be overhauled, the reinforcing mechanism can be rapidly operated, so that the internal structure of the box body can be rapidly overhauled and maintained, the convenience of overhauling is improved, time and labor are saved, and through the arrangement of the transmission mechanism, the transmission efficiency is improved. According to the device, the mounting shaft can be stably driven, the rotating stability of the valve is improved, the device is further provided with two layers of waterproof sealing rings at the same time, the situation of water seepage during use of the device can be prevented, and therefore the waterproof sealing performance of the whole device is improved.
Owner:ANHUI OSTO TECHNOLOGY CO LTD

A valve box for bottle washing machine

ActiveCN113976567BHollow article cleaningWash bottleValve gear
The present invention provides a valve box for a bottle washing machine, and relates to the technical field of bottle washing machines. The valve box for a bottle washing machine comprises a valve box body (1), an electromagnet assembly and a valve baffle (10). One end of the valve box body (1) is provided with a valve box air inlet (2), and the other end is provided with a valve box air outlet (3); the valve box body (1) is mounted and fixed on the top of a valve box fixing plate (12); the valve baffle (10) is arranged in the valve box body (1) and is closely attached to the valve box air outlet (3); the valve baffle (10) is mounted and fixed on a valve baffle push rod (9); the valve baffle push rod (9) passes through the bottom of the valve box body (1) and is connected to the electromagnet assembly. The present invention solves the technical problem that the diaphragm in the water vapor diversion device in the bottle washing machine is difficult to be pushed open.
Owner:SICHUAN DUBERT TECH CO LTD