77results about How to "Increase push force" patented technology

The present invention relates to a clamping device of a rotation indexing device used by a machine tool. The invention provides a clamping mechanism which can endure high-load procession and generates enough clamping force in the clamping device of a rotation indexing device used by a machine tool. The clamping device (2) is provided with a clamping mechanism which is set with a mode of extending along a radius direction of rotation axis (5) and is composed of more than three lever components (11) between a clamping disc (8) and a piston component (6). The pulling force of the piston component (6) is increased through a lever principle and is acted on the clamping disc (8).

For the pig delivery of the coating material at high voltage in a system for electrostatic mass-production coating of workpieces in the vicinity of grounded parts of the system, a multi-layer tube is provided, whose innermost layer forms the piggable inner wall, while a second layer consists of a high-voltage-resistant isolation material and is surrounded by a protective outer layer.

An osmotic pump controlled release tablet and the preparation method thereof are disclosed. The osmotic pump controlled release tablet is composed of tablet core, semipermeable membrane and optional film coating. The material of said semipermeable membrane is composed of ethyl cellulose and povidone in the ratio of 1:1˜1:4 by weight. Said tablet core comprises drug containing layer and push layer. The osmotic pump controlled release tablet also characterizes in that; (1) the angle θ₁ formed by the outer curved surface of the drug containing layer and the lateral surface is 120°-180°; and/or (2) the ratio of L₁ to r is 0.27-1.0, wherein L₁ is the vertical distance from the central vertex of the outer curved surface of the drug containing layer to the plane formed by the intersection line between the outer curved surface of the drug containing layer and the lateral surface, and r is the radius of the tablet core.

The invention discloses a method and device for measuring downhole formation fluid pressure. The device comprises ground equipment and downhole apparatus, wherein the downhole apparatus is connected with the ground equipment; the ground equipment comprises a vertical pipe, a three-way pipe is installed on the vertical pipe, a pressure sensor is installed at the position of the three-way pipe, thepressure sensor is connected with a wireless pressure sensor main machine through a data line, the wireless pressure sensor main machine is connected with a sucker antenna, the sucker antenna is in signal connection with a wireless transceiver, and the wireless transceiver is connected with a data processing meter; and the downhole apparatus comprises a thrust assembly, and a thrust module and a probe module are installed on the thrust assembly. According to the method and device for measuring the downhole formation fluid pressure, the magnitude of different thrust force is set according to different well depths, when shallow well measurement is carried out, the energy consumption of the downhole apparatus can be reduced, and meanwhile, the risk of pressure damage to the well wall due to too large thrust force is reduced; and when deep well measurement is carried out, the thrust force is reasonably increased to enable the seal between a sealing probe and a well wall mud cake to be reliable, the influence of annulus pressure on formation fluid is reduced, and thus the accuracy of the measurement is improved.

The invention relates to a roller wheel concave mold compression, using a pair of rolling wheel at the circumference surface of the concave mold cavities, featuring in a set of push rod and compression cylinder. The blank is formed by stuffing the blank into the compression cylinder, pushing the rod to the blank to the rolling wheel concave, with two rolling wheels rotating in the same speed in opposite directions, under the friction on both sides of the blank squeezing the blank to deformation, fostering the flow of the metal, with blank extended in the forwarding, and released out from the space between two rolling wheels. It improves the fluidness of the deformed blank, improved in stress status, forming force, easy to achieve the forming goal, reduced in bended force, improved in mold durability, being able to form in precision.

The present invention is an installation structure for embedded appliances, which is used to accommodate and fix the installation frame of the installation appliance body in the installation hole formed on the ceiling, wall, etc., the installation frame has a frame frame embedded in the installation hole, formed The frame frame has a flange piece extending out of the mounting hole, and the support portion is connected to the mounting parts, and each mounting part is equipped with a leaf spring, an operating piece with an opening, One end is pivotally supported on the operating piece and the other end has a toggle lever with an engaging end, the leaf spring passes through the opening of the operating piece, one end is pivotally supported on a support shaft provided on the supporting portion, and the other end is pivotally supported on On the operation piece, after inserting the installation frame into the installation hole, abut one end of the operation piece against the inside of the top plate, wall, etc., and elastically deform the leaf spring to engage the engaging end with the claw of the support part of the installation frame part, whereby the mounting frame is lifted by the elastic force of the leaf spring.

In a magnetic head according to the present invention, a base is provided with at least one first positioning hole and a magnetic core half has a back portion which is disposed in the first positioning hole. In addition, the base is further provided with at least one first recess at the periphery of the first positioning hole and the base is partially deformed due to the first recess such that a portion of the base at the periphery of the first positioning hole is shifted to press the back portion of the magnetic core half against an inner side of the first positioning hole. Accordingly, the present invention provides a magnetic head in which the magnetic core half can be reliably fixed to the base and a method for manufacturing the magnetic head.

The invention relates to a channel steel rail flash welding machine, which belongs to the technical field of traffic facility construction. A front box body component and a back box body component of the machine are constructed by left and right clamp box bodies hinged onto a center shaft respectively; a tumor push knife is arranged at the inner end of the front box body component; a tumor push oil cylinder for driving the tumor push knife is arranged at the outer end of the front box body component; an upsetting oil cylinder for driving the front box body component and the back box body component to move oppositely are arranged on the outer side of the back box body component; the upper ends of the left and right clamp box bodies are hinged together with the two ends of a clamping oil cylinder which extends and contracts horizontally respectively; a hoisting shaft sleeve from the lower part of which positioning surfaces extend is sleeved on a central hinged shaft; the positioning surfaces are provided with parts contacted with the rail head treads and the rail lip treads of channel steel rails respectively; and the projection shapes of left and right jaws are at least partially matched with the shape of the rail waist slots of the channel steel rails respectively. According to the flash welding machine, welding of asymmetrical left and right channel steel rails can be completed without turning round and reversing, so that the labor intensity is lowered greatly, and the operation efficiency is increased remarkably.

The invention discloses a steering gear control system and method of a flapping wing aircraft vehicle. The steering gear control system includes a flapping wing reversing detecting module, a central processing unit and a steering gear control module, wherein the flapping wing reversing detecting module is used for detecting flapping wing reversing information of the flapping wing aircraft vehicle,and when a flapping wing is detected to locate in the lowest position and the highest position, and different reversing signals are sent to the central processing unit; according to the reversing signals from the flapping wing reversing detecting module, a steering gear rotating control instruction is generated by the central processing unit and transmitted to the steering gear control module; and the steering gear control module is used for controlling steering gear rotating of the flapping wing air craft vehicle according to the steering gear rotating control instruction of the central processing unit. According to the steering gear control system and method of the flapping wing aircraft vehicle, during flight of the flapping wing aircraft vehicle, negative lift force brought by upwardflapping the flapping wing is effectively lowered, and forward pushing force can be significantly increased.

The invention relates to the technical field of feeding equipment, in particular to rapid screw feeding equipment. The rapid screw feeding equipment comprises a rack and a feeding pipe mounted on therack. A discharge port is formed in one end of the feeding pipe, a feed hopper is arranged in the middle of the feeding pipe, a drive motor is arranged on the other side of the feeding pipe, the drivemotor is connected with a rotary shaft through a shaft, the rotary shaft is slidingly embedded into the inner side of the feeding pipe, the rack is fixedly provided with a rectangular sliding rod, the rectangular sliding rod is slidingly provided with a fixing frame, the drive motor is fixedly arranged on the fixing frame, an electric push rod is arranged on the lower side of the fixing frame, the fixing frame is connected with the rack through the electric push rod, one end of the feeding pipe is connected with a connecting pipe, the other end of the connecting pipe is connected with a telescopic pipe, the drive motor is arranged on the fixing frame, the electric push rod of the drive motor can push the fixing frame to move left and right, thus, the rotary shaft connected with the motordrives a screw to move in the feeding pipe, and the screw generates thrust forwards while carrying out spiral conveying.

A garage vehicle carrying plate butt-joint device is used for butt joint with a vehicle carrying plate for bearing a vehicle and comprises a frame mechanism, a butt-joint driving assembly and a pulling assembly, wherein the butt-joint driving assembly is installed on the frame mechanism and can drive the pulling assembly to move among an initial position, a butt joint position and a working position. The vehicle carrying plate for bearing the vehicle is provided with a butt -joint portion at the bottom, when a vehicle is located at the position where the vehicle is to be carried, the pulling assembly moves to the butt-joint position from the initial position so as to be in butt joint with the butt-joint portion and then moves to the working position, the pulling assembly can pull the vehicle carrying plate to the conveying device in the process of moving from the butt-joint position to the working position.

A pipette device comprises a body with a tip having a distal end suitable for mounting a disposable pipette prong thereon through a compact grating and cooperation mode; a tip ejecting unit used for performing a shift between the distal end of the disposable pipette prong and the upper end of the body along the longitudinal axis direction of the pipette device; and at least one actuator located at the upper end of the body and interacting with the ejecting unit to complete the shift of the tip ejecting unit along the longitudinal axis direction of the pipette device. Said at least one actuator comprises a tappet element connected with the body using a connection point and having a tappet surface with at least one part is vaulted, wherein said tappet surface is suitable for contact with the upper side of the ejecting unit to move the ejecting unit in the direction of the longitudinal axis of the pipette arrangement to eject the disposable tip from the distal end.

The invention discloses an overturning type electric handle which comprises a handle base, a overturning handle assembly rotationally connected with the handle base, an actuator and a swing arm structure. The actuator and the swing arm structure are installed on the inner side of the handle base. The overturning handle assembly includes an initial horizontal posture, a down-pressing triggering in-place posture, a welcoming position posture and a door opening in-place posture. The actuator is used for providing driving force for the handle overturning assembly to transit from a downward-pressing in-place triggering posture to a welcoming position posture, and the swing arm structure is used for providing driving force for the handle overturning assembly to achieve transition from the door opening in-place posture to the initial horizontal posture. The actuator comprises a driving sliding rod and a driving mechanism, the driving mechanism is used for driving the driving sliding rod to dotelescopic movement, the telescopic movement direction of the driving sliding rod is defined as the X axis, and the actuator further comprises a plurality of position switches arranged on one side ofthe driving sliding rod in the X axis direction. The invention provides the down-pressing triggering overturning type electric handle which is simple and reliable in structure.

The invention belongs to the field of ethylene production devices, and relates to a device and a method for improving start-up operation of a demethanizer of an ethylene device. The refrigerant conveying device comprises a medium-temperature suction tank, a high-temperature suction tank, a refrigerant pipeline and a refrigerant liquid-phase pushing force pipeline, the tank bottom of the medium-temperature suction tank is connected to a demethanizer overhead condenser through the refrigerant pipeline, and the tank bottom of the high-temperature suction tank is connected to the refrigerant pipeline through the refrigerant liquid-phase pushing force pipeline. By utilizing the ethylene refrigerant pipeline additionally arranged in front of the demethanizer overhead condenser, the pushing forceof the ethylene refrigerant of the demethanizer is increased, so that the operation of the demethanizer is stable, the loss of ethylene at the top of the demethanizer is reduced, and column top and bottom products of the demethanizer are qualified.