54results about How to "Realize synchronous linkage" patented technology

The present invention provides one kind of locating machine for ring welding of large pipes. The locating machine includes one frame, one rotary locating mechanism on the frame, and one driving mechanism to drive the rotary locating mechanism. The rotary locating mechanism includes one turntable with cavity, one chain around the turntable and one pipe clamping and locating mechanism. The driving mechanism includes at least one driving chain wheel meshed with the chain. The present invention can ensure the stability of the welding process.

The invention relates to the technical field of rapid prototyping technologies, in particular to a printing material laying synchronizing mechanism for a 3D printing rapid prototyping machine. The printing material laying synchronizing mechanism comprises an X-axis drive guide rail and a material laying device which are mounted on a Y-axis drive track. A Y-axis sliding platform is mounted on each of a Y-axis first track and a Y-axis second track through a sliding block. A horizontal mounting plate is arranged across between the two Y-axis sliding platforms. The length direction of the horizontal mounting plate is perpendicular to the Y-axis direction. The X-axis drive guide rail is mounted on the horizontal mounting plate. The two ends of the material laying device are each fixedly connected with one Y-axis sliding platform. A printing head assembly is mounted on the X-axis drive guide rail. The material laying device is parallel to the X-axis drive guide rail and moves synchronous with the X-axis drive guide rail in the Y-axis direction. By the adoption of the printing material laying synchronizing mechanism for the 3D printing rapid prototyping machine, synchronous linkage of the printing head assembly and the material laying device in the Y-axis direction can be achieved, material laying is conducted while printing, and the working efficiency is improved greatly.

The invention relates to welding automation, in particular to integrated automatic microscopic welding equipment. Two welding pieces are automatically welded simultaneously by two spot welding machine heads mounted integrally, two welding head clamps arranged side by side, two spot welding power sources and an automatic spot welding power plant; and reliability consistency on welding can be guaranteed by independently adjusting welding parameters of two parallel electrode welding heads. A clearance between the two welding head clamps arranged side by side is adjustable by modifying frames of the spot welding machine heads. The integrated automatic microscopic welding equipment is brand-new automatic welding equipment for production and manufacture on electronic components.

The invention discloses a side drilling device for an electronic connector. The side drilling device comprises a base, a telescopic moving mechanism, a clamping plate and a driving mechanism. According to the side drilling device, through rotation of a driving cylinder, moving screw rods at the two ends of the driving cylinder are driven to move, so that a moving plate, a sliding clamping rod, a moving column, floating rods, transverse plates and a clamping plate are driven to transversely move together, and the clamping distance can be adjusted according to electronic connectors with different diameters, and driving screw rods are driven to rotate up and down in positioning threaded cylinders to drive the transverse plates and the floating rods to move up and down, so that the clamping height is changed, the height position of a drilled hole is adjusted, operation is convenient, and double movement adjustment of transverse movement and longitudinal movement can be achieved.

The invention discloses a multiple-movable-platform parallel-connected hip joint testing machine with wire rope flexible cable transmission, and particularly relates to a parallel hip joint testing machine which can simultaneously drive three movable platforms according to a parallel driving manner. The parallel hip joint testing machine is mainly composed of a frame part, a mechanical transmission part and a hydraulic loading part. The frame part is mainly composed of a base plate, a top plate, supports, etc. The frame part is used for supporting and mounting a whole testing machine. The mechanical transmission part is mainly composed of a traction device, a tensioning device, supporting plates, sleeves, a wire rope, an accessory plate, a wire rope fastener, etc. The parallel-connected hip joint testing machine can simultaneously drive three movable platforms for realizing motion simulation for the hip joint of the human body. The multiple-movable-platform parallel-connected hip joint testing machine has advantages of high operation efficiency, high controllability, low price, convenient operation, synchronous linkage of the three movable platforms, etc.

The invention relates to the field of gates characterized of suspended folding movement, in particular to a suspended folding door with a triangular side link linkage mechanism. The suspended folding door with the triangular side link linkage mechanism comprises a suspended folding door body and the triangular side link linkage mechanism. The suspended folding door body is composed of a door post, a first door leaf and a second door leaf. The first door leaf is installed on the door post through a door shaft seat in a suspended mode. The second door leaf is movably connected with the first door leaf through hinges. The triangular side link linkage mechanism is composed of a triangular side link, a first connecting rod and a second connecting rod. One end of the first connecting rod is connected with a top end of the triangular side link in a rotating mode. One end of the second connecting rod is connected with the other top end of the triangular side link in a rotating mode. The suspended folding door body is connected with the triangular side like linkage mechanism in the mode that the third top end of the triangular side link is connected with the door post in a rotating mode, the other end of the first connecting rod is connected with the first door leaf in a rotating mode, and the other end of the second connecting rod is connected with the second door leaf in a rotating mode. When the first door leaf is rotated, the second door leaf conducts folding movement relative to the first door leaf. The suspended folding door with the triangular side link linkage mechanism is simple, achieves synchronous linkage of the two door leaves, and is free of road surface installation requirement.

The invention discloses an inner groove-filling assembly clamping tool for an integrally formed sheet metal part of an automobile engine, which comprises a clamping seat body, an adjustment air pump and a main support rod. A compression airbag is arranged between the movable top plate and the compression adjustment bin, a movable through groove is opened on the side surface of the movable ceiling, and a movable support frame is movably connected to the inner side of the movable through groove, and the inner part of the main support rod is A sealing cavity is opened, the front end of the movable mandrel is fitted with a connecting movable seat, the outer side of the connecting movable seat is provided with a filling air bag, and the outer side of the side end of the connecting movable seat is hinged with a movable support rod. The inner groove-filled assembly and clamping tool of the integrally formed sheet metal part of the automobile engine can be directly fitted and clamped by adjusting the starting pressure of the air pump to cooperate with the groove structure of the sheet metal part. The adjustable structure of the movable support frame can Make the clamping adjustment of the device more flexible.

The invention relates to a grader articulated steering mechanism and a control method thereof, and belongs to the technical field of engineering machinery. The grader articulated steering mechanism comprises an articulated device, a hydraulic device and a control device, wherein the articulated device comprises a front frame and a rear frame which are rotationally connected through a first rotating shaft; the hydraulic device comprises a hydraulic oil tank, a hydraulic pump, a hydraulic valve position control unit and articulated oil cylinders; and the control device comprises a controller, anautomatic control switch, an operating handle, a gear controller, a front wheel steering sensor and a rear axle differential lock. The grader articulated steering mechanism and the control method thereof have the beneficial effects of giving full consideration to the correlation of the articulated device with the differential lock and vehicle gear information, achieving automatic control of articulated steering, reducing potential safety hazards during articulated steering, and providing convenience for a driver to perform frequent articulated steering in a narrow area.

The invention discloses a flue fan control method based on the dynamic decarburization rate of a molten pool of a combined blown converter. The flue fan control method comprises the following steps: a, establishing a multi-parameter coupling database; b, calculating top-blowing stirring strength, bottom-blowing stirring strength, oxygen lance impact depth and oxygen lance impact area; c, calculating dynamic characteristic indexes of the molten pool; d, the carbon content of the molten pool is measured, and the corresponding molten pool decarburization rate is calculated; e, constructing a matching relation mathematical model between the molten pool decarburization rate and the molten pool dynamic characteristic index; f, calculating dynamic characteristic indexes of the molten pool in real time to obtain a predicted value of the decarburization rate of the molten pool; g, calculating the instantaneous generation amount of flue gas; and h, regulating and controlling the rotating speed of the flue fan in real time according to the instantaneous generation amount of the flue gas. According to the method, on the basis that the matching relation mathematical model between the molten pool decarburization rate and the molten pool dynamic characteristic index is constructed, synchronous linkage of the air draft amount and the amount of gas generated by the molten pool is achieved, the converter flue gas air combustion coefficient approaches zero, and the quality of recycled coal gas is greatly improved.

The invention relates to a motor grader articulated steering mechanism and a control method thereof, belonging to the technical field of engineering machinery; it includes: an articulated device; the articulated device includes a front frame and a rear frame that are rotatably connected by a first rotating shaft; a hydraulic device; a hydraulic device It includes a hydraulic oil tank, a hydraulic pump, a hydraulic valve position control group, an articulated oil cylinder, and a control device; the control device includes a controller, an automatic control switch, an operating handle, a gear position controller, a front wheel steering sensor, and a rear axle differential lock; the present invention A motor grader articulated steering mechanism and its control method are provided, which fully considers the correlation between the articulated device, differential lock and vehicle gear information, can realize the automatic control of articulated steering, and reduces the potential safety hazard during articulated steering. Frequent articulation steering provides convenience for the driver in tight areas.

The invention discloses a drug administration device capable of carrying out accurate quantification for the urology department, and relates to the field of drug administration devices. The drug administration device comprises a bottom plate, wherein the top side of the bottom plate is provided with an I-shaped groove; a sliding plate is in sliding installation in the I-shaped groove; one side of the sliding plate is fixedly provided with a rack; the top side of the bottom plate is fixedly provided with a round shaft; the round shaft is in movable sleeving with a toothed disc; and the toothed disc and the rack are meshed. In the drug administration device disclosed by the invention, an injection handle is rotated to drive the toothed disc to rotate, the toothed disc rotates to drive the rack to move, the rack moves to drive the sliding plate to slide along the I-shaped groove, the sliding plate moves, through a preset driving mechanism, a piston horizontally moves, drug liquid is sucked into an injection barrel from a drug storage bottle so as to preliminarily preset a drug administration amount, the drug administration amount can be preset before injection, and therefore, the situation that injection is carried out directly by referring to a drug administration scale to cause that the drug administration amount and a standard drug amount have a deviation so as to be likely to cause that drug administration amount is deficient or exceeds the standard, and therefore a drug treatment effect is not ideal can be avoided.

The invention relates to a municipal landscaping seedling soil processing apparatus. An auxiliary pole is arranged on the top of a box body, a pressure plate sleeves the auxiliary pole, and a push rod is fixed below the pressure plate; connecting rods are movably hinged to two tail ends of the pressure plate while the other tail ends of the connecting rods are fixed to a rotary shaft through a reciprocating positioning shaft; two ends of the rotary shaft pass through an inner core of a gear disc, and a bevel gear a is further fixed on the rotary shaft; bevel gears b and d are separately fixed on a gear rack; the bevel gear b and the bevel gear a are engaged to each other. A purpose of synchronously linking a rotating wheel disc and a striking plate in a manner that a hole position slot in the rotating wheel disc and a slot in the striking plate correspond in a space position is realized. Triggering cycle in a rotating diameter is realized in a manner that the slot in the striking plate and a striking tooth in the rotating disc are engaged to each other.

The invention belongs to the technical field of machinery and discloses a cutting board four corner synchronous chamfering device. The cutting board four corner synchronous chamfering device comprises a cutting board supporting and lifting mechanism used for horizontally supporting and lifting a cutting board, and four cutting assemblies used for chamfering the cutting board corners. The four cutting assemblies are arranged to be corresponding to the four corners of the supported and lifted cutting board corresponding. When the cutting board is horizontally supported and lifted by the cutting board supporting and lifting mechanism, the four corners pass through tool bits of the four cutting assemblies correspondingly are subjected to cutting treatment. The four corners of the cutting board are simultaneously treated in a horizontal cutting board supporting and lifting mode, and conditions are provided for horizontal conveying of the cutting board simultaneously. By applying the device, the automation of the chamfering treatment on the cutting board four corners is achieved advantageously.

The invention relates to a suspension folding door with a double-frame connecting rod linkage mechanism, which relates to the field of doors adopting suspension folding movement as a feature. The suspension folding door with the double-frame connecting rod linkage mechanism comprises the suspension folding door and the double-frame connecting rod linkage mechanism. The suspension folding door is formed by a door post, a first door leaf and a second door leaf, wherein the first door leaf is arranged on the door post in a suspension way through a door shaft seat; the second door leaf is movably connected with the first door leaf through a hinge. The double-frame connecting rod linkage mechanism is formed by a first frame connecting rod, a second frame connecting rod and a triangular connecting rod; one end of the first frame connecting rod is hinged to one top end of the triangular connecting rod; one end of the second frame connecting rod is hinged to the other top end of the triangular connecting rod. A connecting mode of the suspension folding door and a double-single frame connecting rod linkage mechanism is characterized in that the other end of the first frame connecting rod is hinged to the door post, the other end of the second frame connecting rod is hinged to the door post; the third top end of the triangular connecting rod is hinged to the second door leaf. When the first door leaf is rotated, the second door leaf is rotated in a folding way relative to the first door leaf under the action of the double-frame connecting rod linkage mechanism. The suspension folding door with the double-frame connecting rod linkage mechanism is simple in structure, can realize synchronous linkage of the two door leaves, and has no pavement installation requirement.