30results about How to "Uniform and stable tension" patented technology

The invention discloses a scraper type dung cleaner for use in a hog house, which comprises a driving mechanism, a detecting device, a traction rope, a steering wheel, a dung scraping device and a control electric cabinet, wherein the dung scraping device comprises a traction regulating frame, a pull rod device, a dung scrapping plate and a side plate mechanism; the traction regulating frame is fixedly connected with the side plate mechanism and is in sliding connection with the pull rod device; the pull rode device comprises a traction ring, a pull rod, a limiting shaft, a deflector rod, anda pawl device; the traction ring and the pawl device are arranged at the two ends of the pull rod respectively and are connected with the traction rope; the deflector rod, and the limiting shaft are arranged on the pull rod; a sliding connector which connects the pull rod and the traction regulating frame is in contacted connection with the limiting shaft; the upper end of the dung scraping plateis in contacted connection with the deflector rod,; and a scraper rotating shaft arranged on the dung scraping plate is connected with a supporting stub on the side plate mechanism. The scraper type dung cleaner with a reasonable structure can realize mechanical dung cleaning, lower labor intensity and improve production efficiency.

To make the thickness of a printing film uniform by early stabilizing a fabric tensioning tension, making a screen thickness constant, improving adhesive properties of a resist film to a screen, improving a dimensional accuracy, upgrading ink permeability, increasing a paste transfer amount, omitting a waste print, and improving a positional accuracy of a printed product. In the screen printing plate, an image layer made of a photosensitive resin is formed on a surface of a screen spread in a frame. In this case, a metal screen having a recess portion formed of a roughness of 0.05 to 20 [mu]m is formed. A surface of the screen in the frame is coated with a photosensitive emulsion, dried to form a photosensitive resin layer, then exposed through a mask to form a latent image, and an image layer is formed by developing. In this case, powder particles having 100 to 2,000 mesh are blown to the screen and / or the surface of the screen is ground by buffing.

The invention relates to a tension detection control device for a center-based stranding machine, comprising a pay-off spool (1). A cable core (2) is twined and connected on the pay-off spool, a range sensor (5) that is in induction fit with the cable core is arranged below the pay-off spool, one side of the pay-off spool is provided with a brake (7), a proportional pressure valve (8) and a solenoid valve (9) which are mounted through a brake support (6) and connected by a pipeline, and the solenoid valve is connected with an air source (12) through a third pipeline (12); and the tension detection control device further comprises a control device (14) connected with the range sensor and the solenoid valve. The tension detection control device has the advantages that the device is used for detecting the match degree of the change, from a full plate to a shallow plate, of a wire conductor stored in the pay-off spool and the line outgoing speed of a complete machine, matches up with an air pressure disc brake through an inductor detection feedback mode in the process of releasing the conductive cable core, and automatically adjusts the stability of line releasing tension of the wire conductor stored in the pay-off spool, so that the cable releasing tension is guaranteed to be uniform and stable, and the cable stranding quality is improved.

The invention discloses a wet-process lithium battery diaphragm automatic winding and roll changing system which comprises a guide roller and a tension roller which are vertically arranged at an interval, a tension bearing is installed at the end of the tension roller, a pair of shearing rollers which are vertically arranged at an interval are arranged behind the guide roller and the tension roller in the advancing direction of a diaphragm, and the upper side and the lower side of the diaphragm are attached to the two shearing rollers respectively. A moving roller is arranged behind the shearing roller, a winding and reel changing mechanism is arranged behind the moving roller and comprises a driving wheel and a driven wheel driven by the driving wheel to rotate, two winding rollers with the same height position are arranged on the two sides of the axis of the driven wheel respectively, and a film scratching mechanism is arranged below the winding roller close to the driven wheel. The membrane scratching mechanism comprises a support and a driving mechanism for driving the support to move up and down, an electrostatic generator, a rotating brush, a cutter and a pressing roller are installed on the support, the driven wheel rotates during roll changing, the positions of the two winding rollers are exchanged, and a membrane sequentially bypasses the positions below the two winding rollers; when the diaphragm is scratched, the driving mechanism drives the support to move upwards, and the cutter cuts off the diaphragm.

The invention discloses a heat-resistant seamless lapped aviation cable and a preparation method thereof. The heat-resistant seamless lapped aviation cable comprises a conductive core wire formed by twisting a plurality of insulating core wires, and a sheathing layer wrapping the conductive core wire; each insulating core wire comprises a conductor core and an insulating layer wrapping the conductor core; each insulating layer sequentially comprises a polytetrafluoroethylene modified turning belt, a polyimide film and a polytetrafluoroethylene sealing tape in sequence from the inside out. According to the invention, a seamless lapping and sintering technology is utilized and three-layer combination insulation is adopted, so that the heat-resistant seamless lapped aviation cable can be obtained, and favorable electrical performance and mechanical strength of the cable can be ensured. The heat-resistant seamless lapped aviation cable provided by the invention can resist the temperature ranging from minus 65 DEG C to 280 DEG C and can satisfy the requirement of being used under the high-temperature environment of 280 DEG C for a long time.

A device for evenly tensioning an anchor cable comprises two oil cylinder position control plates and a plurality of small tensioning oil cylinders. The two oil cylinder position control plates are arranged at the two ends of the tensioning oil cylinders respectively, at least two position control drawing zones are arranged on the peripheries of the oil cylinder position control plates at equal intervals, each position control drawing zone corresponds to one tensioning oil cylinder and is provided with a steel strand hole and two position control plate screw holes, wherein the two position control plate screw holes are located around the steel strand hole. The tensioning oil cylinders comprise oil cylinder bodies which are cylindrical. Oil cylinder base plates are arranged at the rear ends of the oil cylinder bodies, oil cylinder end plates are arranged at the front ends of the oil cylinder bodies, and the oil cylinder inner walls of the oil cylinder bodies form steel strand cavities through which steel strands pass. The device is simple in structure and convenient to load and unload, equal prestress can be applied to all the steel strands of the whole anchor cable, and therefore integrality and durability of the anchor cable are improved.

The invention relates to the technical field of gauze tensile detection devices, in particular to a gauze tensile detection device suitable for spinning processing, which comprises a detection table, a fixed seat and a support stand, the fixed seat is fixed at the middle position of the upper surface of the detection table, and sideslip assemblies are symmetrically arranged on two sides of the upper surface of the detection table. And two groups of support stands are symmetrically fixed on two sides of the upper surface of the fixed seat. According to the invention, at the moment when the gauze is broken during tension detection, the industrial camera captures the breakage of the gauze and sends a signal to the processor, at the moment, the processor transmits node detection data corresponding to the pressure sensor to a detection center through the communication module so as to record and analyze the data, and meanwhile, the processor sends a signal to the controller so as to detect the breakage of the gauze. When the gauze is detected, the controller controls the driving motor to stop working, so that the tensile detection of the gauze is conveniently completed, the tedious process of manual detection is avoided to a certain extent, the labor intensity of a detector is reduced, and meanwhile, the tensile detection efficiency of the gauze is also improved.

The invention discloses an orthopedic surgery aid in the technical field of medical auxiliary devices. The orthopedic surgery aid comprises a sliding rod, a slideway is arranged on the inner wall of the sliding rod, trench teeth are arranged at the bottom of the sliding rod, a supporting block is slidably arranged in the middle of the sliding rod, a sliding plate is arranged at the bottom of the supporting block and slidably connected with an adjusting rod, an annular connection block is fixedly connected at the end of the adjusting rod, an oval ring is fixedly connected in the middle of the annular connection block, four rubber blocks are uniformly connected on the outer wall of the connection block slidably, the top of each rubber block is slidably connected with a pulling hook handle, the side wall of each pulling hook handle is fixedly connected with a linear limiting plate, a pulling hook plate is fixedly connected at the end of each pulling hook handle, and a thread is connectedin the middle of each pulling hook plate in a threaded manner. The orthopedic surgery aid can quickly adjust and position pull hooks and is balanced and stable in tension, manpower-saving, free of blocking doctor's operation and sight and capable of cooperating with multiple groups of pull hooks to realize good effect.

The present application relates to a fabric and a device for producing the fabric, comprising a plurality of loop-shaped yarns distributed along the weft direction of the fabric, the loop-shaped yarns are interlocked with each other, a part of the yarns are made of real silk, and the yarns are made of real silk. The remainder of the thread is made of less expensive materials, with yarns made from silk and yarns made from less expensive materials staggered along the weft of the fabric. The present application has the advantages of blending silk and lower-priced materials into fabrics, so that the woven fabrics are less expensive than pure silk fabrics, and have a similar touch and appearance to silk fabrics, making the fabrics easier to sell , thereby increasing the proportion of fabrics in the market.

The invention relates to a preparation process of a LMPET / PET sheath-core type composite elastic fiber. The preparation process comprises: 1, conveying an LMPET melt and a PET melt to a composite spinning box through a melt conveying pipeline and a metering pump correspondingly, and mounting a filter and a booster pump on the melt conveying pipeline; and 2, extruding the melt through a sheath-corespinneret plate, cooling the extruded melt by side blowing, and carrying out bundling and oiling, pre-interlacing, drafting, interlacing and winding. The process is simple in technology, stable in product quality and low in production cost.

The invention discloses a scraper type dung cleaner for use in a hog house, which comprises a driving mechanism, a detecting device, a traction rope, a steering wheel, a dung scraping device and a control electric cabinet, wherein the dung scraping device comprises a traction regulating frame, a pull rod device, a dung scrapping plate and a side plate mechanism; the traction regulating frame is fixedly connected with the side plate mechanism and is in sliding connection with the pull rod device; the pull rode device comprises a traction ring, a pull rod, a limiting shaft, a deflector rod, anda pawl device; the traction ring and the pawl device are arranged at the two ends of the pull rod respectively and are connected with the traction rope; the deflector rod, and the limiting shaft are arranged on the pull rod; a sliding connector which connects the pull rod and the traction regulating frame is in contacted connection with the limiting shaft; the upper end of the dung scraping plateis in contacted connection with the deflector rod,; and a scraper rotating shaft arranged on the dung scraping plate is connected with a supporting stub on the side plate mechanism. The scraper type dung cleaner with a reasonable structure can realize mechanical dung cleaning, lower labor intensity and improve production efficiency.

The invention discloses an air-jet loom. The air-jet loom comprises a frame, a let-off mechanism, a shedding mechanism, a weft insertion mechanism, a beating-up mechanism, a winding mechanism, a warp loosening mechanism and a pneumatic tuck-in mechanism. The frame comprises wall plates, a supporting retainer and a middle support. By reasonable allocation of the wall plates, integrality of the air-jet loom can be improved beneficially; by reasonable allocation of the beating-up mechanism, balancing performance of the beating-up mechanism can be beneficially improved so as to increase beating-up speed of the beating-up mechanism; by reasonable allocation of the winding mechanism, an upper winding pressure roller and a lower winding pressure roller can be lift up at the same time; by reasonable allocation of the warp loosening mechanism, an eccentric adjusting block can slide along a horizontal side groove in an eccentric adjusting seat so as to change eccentricity, and warp loosening quantity can be adjusted according to different fabric requirements; by reasonable allocation of the pneumatic tuck-in mechanism, wefts can be smoothly guided into a stretch nozzle and accurately and stably fed into a cutter opening of the air-jet loom, and excellent tuck-in effects are achieved.

The invention relates to a resistance-free balanced-type ripple compensator. The resistance-free balanced-type ripple compensator comprises a work corrugated pipe assembly with the two ends connected with main pipes and a balanced corrugated pipe assembly perpendicularly connected with the main pipes. Connecting pull ropes are arranged between the work corrugated pipe assembly and the balanced corrugated pipe assembly, the two ends of the connecting pull ropes are connected with the work corrugated pipe assembly and the balanced corrugated pipe assembly respectively, and the connecting pull ropes are bent through a turning fixed pulley. The resistance-free balanced-type ripple compensator has the advantages that tension is transmitted between the work corrugated pipe assembly and the balanced corrugated pipe assembly through the connecting pull ropes, and swinging generated during pulling is eliminated; the multiple pull ropes equal in length are adopted and have same elastic deformation, the pull ropes and the turning fixed pulley are simple in structure and high in reliability, and tension is even and stable. External-pressure type ripper compensator bodies are adopted for the work corrugated pipe assembly and the balanced corrugated pipe assembly, and the instability of a ripple compensator during large expansion is avoided. The resistance-free balanced-type ripple compensator can be suitable for a pipe with large expansion.

THRE IS PROVIDED A PLATE FOR SCREEN PRINTING, COMPRISING: A SCREEN STRETCHED OVER A FRAME; AND AN IMAGE LAYER, FORMED OF A PHOTO-CURED RESIN, PROVIDED ON THE SURFACE OF THE SCREEN, THE SCREEN COMPRISING A METALLIC SCREEN HAVING CONCAVES WITH A DEPTH OF 0.05 TO 20µm.THERE IS ALSO PROVIDED A PROCESS FOR PRODUCING A PLATE FOR SCREEN PRINTING, COMPRISING THE STEPS OF:FORMING A PHOTO-SENSITIVE RESIN LAYER ON THE SURFACE OF A METALLIC SCREEN STRETCHED OVER A FRAME; EXPOSING THE PHOTO-SENSITIVE RESION LAYER THROUGH A MASK TO FORM A LATENT IMAGE; AND DEVELOPING THE EXPOSED RESIN LAYER TO FORM AN IMAGE LAYER,THE SURFACE OF THE METALLIC SCREEN HAVING BEEN ROUGHENED BY BLOWING GRAINS HAVING A SIZE OF 100 TO 2,000 MESH AGAINST THE SURFACE OF THE METALLIC SCREEN AND / OR BY BUFFING.

The invention discloses a partition comber board for jacquard weaving and a mounting method, and belongs to the technical field of jacquard weaving machinery. The partition comber board is characterized in that a partition comber board body (5) is divided into a comber board front region (501) and a comber board rear region (502) by a lateral center line; meshes in the partition comber board body (5) are numbered according to natural numbers from the left part to the right part in sequence; meshes numbered according to odd numbers are odd number meshes (3); meshes numbered according to even numbers are even number meshes (4); the odd number meshes (3) are formed in the comber board rear region (502); the even number meshes (4) are formed in the comber board front region (501); earth beam warp yarns (1) are drafted in the comber board rear region (502); warp beam warp yarns (2) are drafted in the comber board front region (501). The partition comber board can ensure that the earth beam warp yarns and the warp beam warp yarns are arranged according to a 1:1 sequence, and meanwhile can keep uniform and stable tension of the earth beam warp yarns and the warp beam warp yarns.

The invention relates to an automatic T-shaped framework small motor rotor winding device. A winding feeding mechanism and a winding driving mechanism are arranged on a working bed plate; the winding feeding mechanism has a secondary feeding structure and comprises a feeding motor and a flying fork head driven by the secondary feeding structure, and the feeding motor drives the flying fork head towards the right to realize primary feeding by a first compression spring and continuously drives the flying fork head towards the right to realize secondary feeding by a second compression spring; a winding end air cylinder is arranged on an outer frame of the working bed plate, a piston of the winding end air cylinder is connected to a tooling fixing plate, a winding end guide pin is arranged on the tooling fixing plate, and the winding end guide pin is adaptive to a metal reversing sheet of a small motor rotor. In the invention, the winding end guide pin is utilized to wrap the front end of the metal reversing sheet and is combined with the secondary feeding of the flying fork head to realize the full-automatic winding of a T-shaped framework of the small motor rotor, and artificial winding is not needed, so that the labor intensity of workers is reduced, the production efficiency is greatly improved, and the pulling force of a tensioner in the winding process is uniform and stable, therefore, the winding quality is stable and unified.

The invention discloses a lift-type high-speed doubling process, which is mainly completed by a lift-type high-speed doubling machine. The lift-type high-speed doubling machine includes a doubling machine body and a winding tube. The doubling machine body One side of the doubling machine body is fixedly connected with an electrical box, and the top of the inner cavity of the doubling machine body is fixedly connected with a forming part, and the forming part includes a stepping motor, a first fixing plate and a second fixing plate, and the stepping motor The output end is fixedly connected with the synchronous wheel of the stepper motor, and the first guide rail and the second guide rail are fixedly connected between one side of the first fixed plate and the second fixed plate. Under the cooperation of the first guide rail, the stepping motor drives the slider to move up and down, and the winding motion of the spindle DC motor forms the spiral winding motion of the yarn.

The present invention discloses a tension and anchor device for prestressed concrete poles, which comprises tension brace, tension rod, tension head and tension and anchor plate and uses steel mould and tension jack. In the direction of circular degree of the said tension brace, four uniform support legs are set and welded with stiffening plate and end plate, and screws are set inside the end plate. At the head of the said tension rod, a tension claw is set, and at the tail connection screws are set to match with the jack piston rod. At the said tension head, prestressed steel holes are drilled, in the head a slope plate is set, and on the other end, connection screws are set to match with the anchor plate. Screws are set in the said tension and anchor plate to match with the tension head. Such tension and anchor device has a simple structure and safe and reliable connection. Steel Mould