55results about How to "Uniform force balance" patented technology

A producing method of a shuttlecock includes the following steps: step a, molding a flocking frame provided with a group of flocking bars and a group of flocking tubes integrated with the flocking bars; step b, arranging the flocking frame at a fixed ball head; and step c, flocking flocked ends of a group of feathers into corresponding flocking tubes to produce the shuttlecock. According to the producing method, machines are used for operation, therefore the producing efficiency of the shuttlecocks is improved; and the produced shuttlecock is provided with molded flocking frames, therefore the shuttlecock has good uniformity, and the quality of the shuttlecock is guaranteed.

The invention discloses an automobile lifter with safety device at the front end, which comprises an upright post, a lifting device, a lifting platform, a supporting arm and a safety device. The lifting device and the lifting platform are arranged inside the upright post; the supporting arm is connected with the lifting platform; the lifting device drives the lifting platform to lift; a plurality of safety inverted teeth are arranged at the front end of the upright post; the safety device is arranged on the lifting platform through a connecting plate and is provided with a safety hook; the safety hook is matched and clamped with the safety inverted teeth; the safety hook is arranged on the connecting plate through a rotating shaft connected with a shakable handle; the safety device is provided with an elastic piece; and the elastic piece props against the safety hook. The automobile lifter with the safety device at the front end has the advantages of simple structure, convenient maintenance, and capacity of improving the safety performance of the equipment on the basis of guaranteeing uniform and balanced stress of the safety device.

The present invention relates to a nozzle combining structure of a hot runner system for an injection molding machine capable of increasing durability of the nozzle. To achieve the object of the present invention, the present invention comprises a nozzle combining structure for a hot runner system for an injection molding machine comprising: a manifold having a resin injecting hole extending therethrough in its inner portion through which a resin flows and a nozzle seated groove formed in an outer peripheral surface of an end of the resin injecting hole, a nozzle being seated in the groove; a nozzle having a piston guide bushing formed at its upper end inserted into the nozzle seated groove of the manifold, for dispensing the resin injected from the resin injecting hole of the manifold through the piston guide bushing into a mold; a manifold guide bushing for surrounding and threadedly engaging with an upper portion of the piston guide bushing of the nozzle, the upper end of the manifold guide bushing having a diameter smaller than that of the nozzle seated groove of the manifold so that the upper end of the manifold guide bushing is inserted into the nozzle seated groove of the manifold; and a fastening bushing for receiving an outer surface of the manifold guide bushing and threadedly engaging with an inner circumferential surface defining the nozzle seated groove of the manifold so that the manifold guide bushing is fastened by the fastening bushing to the inner circumferential surface defining the nozzle seated groove of the manifold.

The invention discloses an aluminum alloy conductor flexible cable and a preparation method thereof, and belongs to the field of flexible cables. The aluminum alloy conductor flexible cable comprisesone or more cabling sheath layers, a cabling and belting layer and conductor insulating wire cores from outside to inside in sequence, wherein the number of the conductor insulating wire cores is oneor more, cabling fillers are filled between the conductor insulating wire cores, and each conductor insulating wire core sequentially comprises a tensile strand, an aluminum alloy conductor and a wirecore insulating layer from inside to outside. The aluminum alloy conductor flexible cable not only has high conductivity, but further has excellent tensile strength and compressive creep resistance,the possibility of replacing copper with aluminum in the flexible cable is realized, the use cost of the flexible cable is reduced, and the wear resistance and the service life of the cable are improved due to light weight and excellent characteristics.

The invention belongs to a hydraulic pressure balance system of a steel plate cold rolling mill transmission roller, in particular to a hydraulic pressure balance device of a twenty-roller steel plate cold rolling mill transmission roller and a control method. The hydraulic pressure balance device is characterized in that the hydraulic pressure balance device comprises a first oil cylinder and second oil cylinder which are used control the balance of the two ends of the transmission roller, a third magnetic exchange valve and fourth magnetic exchange valve which are used to control the piston rods of the first oil cylinder and the second oil cylinder to move upward and a first magnetic exchange valve and second magnetic exchange valve which are used to control the piston rods of the first oil cylinder and the second oil cylinder to move downward, the stress on the two ends of the transmission roller can be uniform and balanced under the function of the two oil cylinders, the influence of the disturbing force of a junction box to workpieces is avoided, and the processing quality of products is increased. The invention provides the hydraulic pressure balance device, which has simple structure, low cost and good effect and is easy to adjust, of twenty-roller steel plate cold rolling mill transmission roller and the control method.

A hot runner system for an injection molding machine capable of increasing durability of the nozzle includes a manifold having a resin injecting hole extending therethrough in its inner portion, a nozzle having a piston guide bushing formed at its upper end inserted into the nozzle seated groove of the manifold, a manifold guide bushing for surrounding and threadedly engaging with an upper portion of the piston guide bushing of the nozzle, and a fastening bushing for receiving an outer surface of the manifold guide bushing and threadedly engaging with an inner circumferential surface defining the nozzle seated groove of the manifold so that the manifold guide bushing is fastened by the fastening bushing to the inner circumferential surface defining the nozzle seated groove of the manifold.

The invention discloses an adaptive double-hung duplex suspension string, which comprises two upper hanging plates connected to a tower cross arm, two ball head hanging rings movably connected with the two upper hanging plates respectively, disk-type or composite insulators connected at the lower ends of the two ball head hanging rings, and socket hanging plates connected at the lower ends of the two insulators respectively. The adaptive double-hung duplex suspension string further comprises a link plate, the lower ends of the socket hanging plates are connected to the link plate, the link plate is provided with an arc-shaped rack, the inner side of the arc-shaped rack is provided with a tooth-shaped structure, the link plate is provided with at least two lower gears which are meshed with the arc-shaped rack, each lower gear is connected to the link plate through a hinge pin or a bolt, two ends of the arc-shaped gear are respectively connected to suspension clamps, and each suspension clamp is connected to a wire clamp. The invention aims to provide an adaptive double-hung duplex suspension string, wherein the suspension string is fixed in an insulated manner, thereby being conducive to insulation protection; and the height of the wire clamps is adjusted by using the gear structure according to the wire tension at two sides so as to ensure the clamps at the two ends to be stressed in a uniform and balanced manner.

The invention discloses a laser welding machine for sedan car steering pull rods with various specifications. The machine structurally comprises a machine main body, an electric wire, a control console, a laser generator, an eye pens, a laser welding head, a positioning clamping arm and a workbench. Transmission mechanisms in stable stand columns on the two sides of the tops of installation framesare operated through equipment, an output shaft transmits power to push a joint to twist tooth pliers to gradually enlarge the self internal distance so as to clamp car steering pull rods with different widths, a weighed metal block is used for downward pressurization and force application for space positioning to avoid waggling, the whole steering pull rods keep balanced and uniform stress, it is ensured that the two ends can be accurately welded to a spherical head, a bearing plate is separated from a center line to move inwards and outwards along a transverse special sliding rail, the stable stand columns are driven to adjust the distance between the installation frames so as to replace the workbench for enlarging the internal position of a panel again, and the equipment using rate andproduct production efficiency are improved.

The invention is applicable to the technical field of battery manufacturing, and discloses a limiting and formation clamp for a lithium ion polymer battery used for fixing and limiting in battery formation. The limiting and formation clamp comprises a mounting body used for mounting and fixing batteries, wherein accommodating grooves used for accommodating batteries are formed in the mounting body; a cover plate used for fastening the batteries is mounted on the mounting body; and a limiting structure for preventing the batteries from loosening or from being over-extruded is arranged between the cover plate and the mounting body. The limiting and formation clamp for the lithium ion polymer battery provided by the invention is simple in structure, capable of effectively solving the problems of ultra-thin or ultra-thick cells and partial lithium separating-out, and capable of ensuring battery product quality.

The invention discloses a manufacturing method of badmintons. The method comprises the following steps of: (a) molding a flocking shelf with a group of flocking rods and a group of flocking tubes, wherein each flocking tube is respectively and integrally formed at one end of a corresponding flocking rod; (b) installing the flocking shelf at a fixed ball head; and (c) respectively implanting the inserting heads of a group feather blades into corresponding flocking tubes; or after inserting the feather blades into the flocking shelf, the flocking shelf with the feather blades is installed on the ball head. The method further comprises a step (d) that natural feather is cut according to the demands of a cutting model to obtain the feather blades. According to the method, machines are engaged to operate, the production efficiency of the badminton is improved, and the manufactured badminton has a molded flocking shelf, so that stable and accordant conical degree is formed for the badmintons, and the badminton quality is ensured.

The invention discloses a multistage heat pump compressor. The multistage heat pump compressor comprises a closed shell, a separation assembly, a driver and at least two pressurizing mechanisms, the separation assembly is arranged in the closed shell and separates the closed shell into a first chamber and a second chamber which are mutually separated, and the first chamber is formed in the second chamber; the driver includes a body and a transmission shaft penetrating through the body, the body is accommodated in the first chamber, and the transmission shaft penetrates into the second chamber; and each of the pressurizing mechanisms is accommodated in the second chamber and is connected with the transmission shaft, and the pressurizing mechanisms are formed at two sides of the body to be driven by the driver to rotate. The bearing of the transmission shaft is uniform, so the rotation stability of the transmission shaft is improved and the noise is reduced, thereby the work efficiency of the compressor is enhanced.

The invention discloses an effective treatment method for solving uneven consumption in a rotary kiln. The effective treatment method comprises the following steps: 1) determining a patching point in the rotary kiln; and 2) digging two rings of bricks firstly, building one ring of bricks, and then digging one ring of bricks till the last ring is sealed; wherein the thickness of the brick at the patching part is less than 1 / 2 of the thickness of the original brick, and the patching degree is that the thickness of the brick at the peripheral old brick is 2 / 5 of the thickness of the original brick. The effective treatment method can improve the repair effect of the rotary kiln.

The invention discloses a traction / locking element, a traction / locking set, an orthodontic bracket, an orthodontic bracket system and a tooth orthodontic method. The traction / locking element includes a strip-shaped nail body. The cross-sectional area of ​​the nail body is 0.06 to 2.5 square millimeters, and the length is 0.8 to 4.5 millimeters. The front end of the nail body is the first fixed end, the rear end is the first screwing end, and the first fixed end is provided with a connecting external thread. The outer diameter of the connecting external thread is 0.2 to 1.6 millimeters, and a first force-applying surface is provided at least at the end of the first screwing end. The purpose of the present invention is to overcome the defects of the prior art. The present invention can timely perform traction according to the traction timing of orthodontics to reduce the discomfort in the oral cavity; it is very convenient to install and disassemble, and the traction to the teeth is very reliable.

Horizontal grinding, with a grinding cylinder (1) and a grinding roller (2), the two ends of the grinding cylinder are respectively equipped with end covers (3), (4), and the end cover (3) has a feeding device (5), and the end cover (4) There is a discharge port (6), and the outer wall of the grinding cylinder is provided with a transmission member (9) that drives the grinding cylinder to rotate. The grinding roller is located in the grinding cylinder, and the shaft sections at both ends of the grinding roller protrude The end caps at both ends of the barrel, the two extended shaft sections are provided with a pressure mechanism (7) that can adjust the material roller grinding pressure and the gap between the roller surface and the inner wall of the grinding barrel (7). There are at least two scrapers for the grinding roller (2), which are distributed or evenly distributed along the circumferential direction of the inner chamber of the grinding cylinder. A support system (10) constraining the circumferential direction of the grinding drum.

The invention belongs to a hydraulic pressure balance system of a steel plate cold rolling mill transmission roller, in particular to a hydraulic pressure balance device of a twenty-roller steel plate cold rolling mill transmission roller and a control method. The hydraulic pressure balance device is characterized in that the hydraulic pressure balance device comprises a first oil cylinder and second oil cylinder which are used control the balance of the two ends of the transmission roller, a third magnetic exchange valve and fourth magnetic exchange valve which are used to control the pistonrods of the first oil cylinder and the second oil cylinder to move upward and a first magnetic exchange valve and second magnetic exchange valve which are used to control the piston rods of the firstoil cylinder and the second oil cylinder to move downward, the stress on the two ends of the transmission roller can be uniform and balanced under the function of the two oil cylinders, the influenceof the disturbing force of a junction box to workpieces is avoided, and the processing quality of products is increased. The invention provides the hydraulic pressure balance device, which has simplestructure, low cost and good effect and is easy to adjust, of twenty-roller steel plate cold rolling mill transmission roller and the control method.

The invention belongs to the field of the application of a motor detection technology, and specifically relates to a vacuum test device for testing the induction motor stator performance. The vacuum test device provided by the invention comprises a working table frame and a vacuum cover suspended above the tabletop of the working table frame; a sealing component matched with a vacuum cover opening is correspondingly arranged on the tabletop; the vacuum test device also comprises a vacuumizing component and an induction motor stator test component; a fixed test end of the induction motor stator test component is located in an area surrounded by the sealing component; the working table frame is also provided with a power source for driving the vacuum cover to linearly reciprocate up and down and guide parts for guiding the moving direction of the vacuum cover; and more than two guide parts are provided and symmetrically arranged on the two sides of the axis of the vacuum cover body. In the invention, since the guide structures are symmetrically arranged on the two sides of the axis of the vacuum cover, the vacuum cover, the guide parts and even the whole structure experience balanced and uniform stress in movement, thus the fault rate and maintenance cost are greatly reduced, the working reliability is high, and the service life is obviously prolonged.