36results about How to "Pitch stability" patented technology

A dual gas-bearing system includes a vacuum-preloaded gas bearing, a substrate, and a gas-bearing backer. The vacuum-preloaded gas bearing is mounted to a machine base in a fixed location. The substrate has a first surface facing the output face of the vacuum-preloaded gas bearing and an opposing second surface facing the output face of the gas-bearing backer. The gas-bearing is freely moveable in a direction normal to the output face of the vacuum-preloaded gas bearing. A gas flow through the output face of the vacuum-preloaded gas bearing imparts a first net force onto the first surface of the substrate, and a gas flow through the gas-bearing backer imparts a second net force onto the second surface of the substrate, wherein the second net force and the gap between the output face of the gas-bearing backer are independent of the position and thickness of the substrate.

The invention provides a numerical control multifunctional horizontal wrapping machine which comprises a constant tension line laying rack. The machine also comprises a straightening wheel, a four-side polishing device, a warm water washing cleaning device and a hot air blow-dry device which are installed on a first bench in order. The machine also comprises an insulation film eccentric or concentric wrapping device, a high frequency sintering and high frequency sintering head cooling device, an auxiliary oven and a water cooling and on-line high voltage detection device which are installed on a second bench in order. The machine also comprises a air pressure adjusting crawler type main draw gear, a first insulation ribbon eccentric wrapping device or concentric wrapping device, a second coating device, a second insulation ribbon eccentric wrapping device or concentric wrapping device, a third coating device, a draw gear, a drying device, and a wire arrangement collection device. The cleaning device is provided with a water heating device and a booster pump. An antioxidation device is provided between the hot air blow-dry device and the insulation film eccentric or concentric wrapping device. A constant tension device controlling film or filament disc material emptying on the wrapping head is a numerical control constant tension device. By using the numerical control multifunctional horizontal wrapping machine in the invention to wrap insulated wire, product quality and production efficiency of the insulated wire is raised.

The invention provides a deep submersion pressure-resistant waterproof cable comprising a flexible cable core, insulting wire cores, an internal sheath layer, a braided reinforcing layer and an external sheath layer. There are at least four insulating wire cores which are evenly distributed around the flexible cable core so as to form a strand through twisting to enclose the flexible cable core. The internal sheath layer fills and adheres the external part of the insulating wire cores. The braided reinforcing layer open wraps the external part of the internal sheath layer. The external sheath layer wraps the external part of the braided reinforcing layer. The advantages of the deep submersion pressure-resistant waterproof cable are that the cable is compact in integral structure and stable in performance. The integral structure of the cable is formed, and force can be evenly dispersed when the cable bears deep seawater pressure, pull force of the cable and external pull force so that damage to the external sheath layer caused by force bearing can be effectively reduced, and the phenomenon of "snakeskin" of the sheath layer can be effectively prevented.

The present invention discloses a preparation method of the guitar string steel wires. The preparation method comprises the following concrete steps of (1) preparing a raw material, wherein the raw material is a wire rod; (2) peeling, immersing the wire rod in a pickling tank, removing an oxidation film on the surface of the wire rod by the chemical reaction, and then washing to clear the residualattachments at pickling; (3) using a drying case to dry the wire rod and removing the moisture; (4) carrying out the thermoplastic processing on the wire rod in a roller kiln to improve the plasticity of the wire rod; (5) cold-drawing the wire rod into the steel wires having the sizes needed by the strings; (6) coating a film, and immersing the steel wires in the tin to obtain a layer of protection film; (7) air drying the steel wires, and then packaging and storing. By the above mode, the preparation method of the present invention enables the extensibility and the elasticity of the steel wires to be improved effectively, after immersing in the tin, and coating a layer of protection film, the external corrosion is reduced, and the usage time is prolonged. Meanwhile, the steel wires havethe bright appearances and the smooth hand feeling, by a unique thermoplastic technology, the quality and the performances of the steel wires are improved, and when the steel wires are used as the strings, the tuning is fast, the pitch is stable and the tone quality is clear.

A high speed data communication cable used on network is prepared as forming cable by four pairs of cable lines as each pair being prepared by twisting two cable lines and being covered with insulation protective sheath, forming each signal line by conductor cable core and insulation cover, packing Teflon or PE material with cross form section in insulation protective sheath and applying copper covered steel conductor as conductor cable core and using flame proof CMP Teflon to prepare insulation protective sheath and insulation cover.

The invention discloses a winding device for tempered transmission rollers. The winding device comprises a framework, a rope guide, a first clamping mechanism, a second clamping mechanism, a first driving mechanism and a second driving mechanism. The first clamping mechanism is arranged at one longitudinal end of the framework, and one end of each tempered transmission roller is clamped by the first clamping mechanism; the second clamping mechanism is arranged at the other longitudinal end of the framework, the other end of each tempered transmission roller is clamped by the second clamping mechanism, and the tempered transmission rollers can rotate relative to the framework under the condition that the tempered transmission rollers are clamped by the first clamping mechanism and the second clamping mechanism; the tempered transmission rollers can be driven by the first driving mechanism to rotate; the rope guide is slidably arranged on the framework along the longitudinal direction of the framework, and starting ends of tempered auxiliary ropes penetrate the rope guide and then are fixed onto the tempered transmission rollers; the second driving mechanism is arranged on the framework, and the rope guide can be driven by the second driving mechanism to slide in a reciprocating manner. The winding device has the advantage that the tempered auxiliary ropes led out of the rope guide can be wound on the tempered transmission rollers along the axial arrangement of the tempered transmission rollers in a thread pitch manner under the matching effects of the first driving mechanism and the second driving mechanism and accordingly can be uniformly and reliably wound on the tempered transmission rollers.

The invention discloses cabling equipment for a superconducting cable. The equipment comprises a forming assembly and a traction device. The forming assembly comprises a wheel disc, a first guide wheel, a guide die and a first belt gathering frame which are successively arranged. The wheel disc is used for winding a belt body; the wheel disc, the first guide wheel and the guide die are correspondingly distributed and are collinearly arranged; the guide die comprises a base and an adjusting seat connected with the base, the adjusting seat can move along multiple degrees of freedom relative to the base, and the adjusting seat is used for guiding the belt body; the first belt gathering frame comprises a first frame body and a plurality of first extending ends located at an end of the first frame body, first through holes allowing the belt body to penetrate through are arranged in the first extending ends, and a base material penetrates through a center of the first frame body; when the first frame body rotates, the belt body can be wound around the surface of the base material to form the superconducting cable; and the traction device is used for driving the base material to move linearly. In the invention, a strip can be protected in a stranding process so as to ensure performance of the high-temperature superconducting cable.

The present invention provides a cable shielding copper strip device, relating to cable shielding copper strip devices. The cable shielding copper strip device comprises a base, a support base mounted at one side of the base, and a hollow shaft fixed on the support base. A copper strip disk rotating relative to a hollow tube sleeves on the hollow tube. The copper strip disk comprises a copper strip base disk and a copper strip chuck. A brake wheel fixedly connected with the copper strip base disk also sleeves on the hollow tube. The front end of the hollow tube is provided with a locking device of the copper strip disk. A shaft disk rotating along with a synchronous wheel synchronously also sleeves on the hollow tube. A positioning device is also disposed at the right side of the base. The cable shielding copper strip device further comprises a lead device at the right side of the positioning device. The lead device comprises a support. The front and back of the support is provided with a pair of parallel transverse pressure roller. An axis of the transverse pressure rollers is perpendicular to the support. A pair of vertical pressure roller is disposed above and below the transverse pressure rollers. One vertical pressure roller is connected with a second motor. The cable shielding copper strip device has a reasonable structure design, is convenient and efficient in use.

The invention discloses a variable tension tone changing system of a Konghou and a harp, relates to an improvement on a musical instrument control system and in particular relates to an improvement ona variable tension tone changing system of a Konghou and a harp. A chord pressing position is on a tone changing disc between musical instrument nails and a chord rest; a tone changing shifting blockis used for exerting action force onto a chord between the musical instrument nails and the chord rest, then the tension of the chord can be changed, and the pitch of the chord can be changed; the system further comprises a dispersion rod, wherein the dispersion rod is connected with a through rod; the dispersion rod has a dispersion function; a pedal is connected with the dispersion rod. The chord pressing direction of the tone changing shifting block is in a direction parallel to a musical instrument body and approaches to directions of chords. As tones are changed by changing the chord tension, good tone quality is achieved after tone changing, and stable intonation is achieved; the level of tone changing and sound variation of the Konghou or the harp can be further increased.

The invention relates to the field of transport vehicles, and particularly relates to a crawler type transport vehicle. The crawler type transport vehicle comprises a chassis, a running system, a control assembly, an engine and a cargo boom supporting bracket, the control assembly, the engine and the cargo boom supporting bracket are fixed on the upper end face of the chassis, the running system comprises a supporting wheel baffle, traveling motors, supporting wheels, a carrier roller, a guiding wheel and a tension wheel, the supporting wheel baffle is fixed on the lower end face of the chassis, the traveling motors comprise cycloid hydraulic motors and planetary reducers, output shafts of the cycloidal hydraulic motors are in transmission connection with the planetary reducers, output shafts of the planetary reducers are in transmission connection with driving wheels, two driving wheels are arranged on each side, and crawler belts are arranged between the two driving wheels on each side and made of a rubber material. The transport vehicle has high structural strength and good power output environment, and is applied to power system operation and other construction sites where space is small but joint operation is required and large equipment cannot enter, safe and civilized production is achieved, and labor productivity is improved.

The invention relates to the technical field of fishing rod production, in particular to a cross-ribbon embossing machine for fishing rods, which includes a machine body, a chuck unit and a sliding plate assembly, and the sliding plate assembly is driven by the sliding plate through a timing belt and a gear set Driven by a motor, it is characterized in that it is equipped with a swing angle mechanism and a film recovery unit. The swing angle mechanism is composed of a rotating shaft driving motor, a synchronous belt, a gear set and a rotating shaft. The rotating shaft driving motor drives the rotating shaft to rotate through the synchronous belt and the gear set. The lower end of the rotating shaft The bottom part is connected with the bottom plate through the matched rotating shaft sleeve, deep groove ball bearing and elastic retaining ring for the shaft. The upper end of the rotating shaft is provided with a guide belt support plate fixedly connected with it. The guide belt support plate is equipped with a tape release unit and a film recovery unit. , the film recovery unit includes a film recovery tray and a film recovery motor, and the film recovery tray is driven by the film recovery motor, which has the advantages of convenient operation, high production efficiency, and stable carbon ribbon pitch.

The invention relates to a cabling pitch stabilizing device for a layer-stranding cable. The cabling pitch stabilizing device comprises a bracket, a driving rod, a connecting rod, a punch, an upper die and a lower die. The bracket is of a hollow structure, a driving motor is arranged internally and drives the driving rod to rotate, the driving rod drives the connecting rod to make the punch pressed down, and a die is mounted on the punch. The cabling pitch stabilization of the layer-stranding cable is maintained through relative squeezing of the upper die and the lower die. The cabling pitch stabilizing device is simple in structure, convenient to manufacture, simple to operate and low in cost, and the phenomenon that the resistance of the periphery of a cable core becomes small due to thefilling of oil paste, which makes the cable core slide easily and make the loose tube pitch vary easily is effectively avoided. The cabling pitch is stabilized, the cabling pitch stabilization of thelayer-stranding cable is maintained efficiently, the product quality is improved, and the cabling pitch stabilizing device is economical, efficient and suitable for being massively promoted and used.

The invention belongs to the technical field of food processing equipment, and particularly relates to a spiral poaching machine which comprises an outer box body, a roller mounting frame is arranged in the outer box body, a roller driven by a power mechanism is rotatably mounted on the roller mounting frame, a spiral guide blade is arranged outside the roller, and the spiral guide blade is rotatably mounted on the roller mounting frame. The inner edge of the spiral guide blade is close to the outer peripheral surface of the roller; a track extending parallel to the axial direction of the roller is arranged on the peripheral face of the roller, a traction guide wheel is arranged in the track, and the top of the traction guide wheel is located in a gap between adjacent blades of the spiral guide blades. According to the spiral boiling machine provided by the invention, the traction guide wheel drags sausage to be wound on the roller along the spiral guide blade, manual traction is not needed, the production safety is greatly improved, and the roller can be lifted, so that the roller can be conveniently cleaned and kept clean and sanitary.

The invention relates to a device for keeping cabling pitch of a layer-stranded cable stable. The device is formed by a support, a support rods and plastic wheel sets. The plastic wheel sets comprise an upper plastic wheel set and a lower plastic wheel set, which are oppositely arranged. The upper plastic wheel set is slidbly arranged on an upper vertical plate of the support through the upper support rod; the lower plastic wheel set is slidbly arranged on a lower vertical plate of the support through the lower support rod; and a channel for allowing optical cables to pass is arranged between the upper plastic wheel set and the lower plastic wheel set. The device is simple in structure, convenient to produce, simple to operate and low in cost, and effectively prevents the case that the use effect of the finished product is influenced due to damage of the structure of the optical cable since the cabling pitch is easy to change, so that the cabling pitch is allowed to be stable; and the device keeps the cabling pitch of the layer-stranded cable stable efficiently, improves product quality, is economic and efficient and is suitable for wide application and use.

The invention provides a lifting and positioning mechanism for a cable shielding machine, and relates to the field of cable processing machinery. The lifting and positioning mechanism comprises a base, a support seat arranged at one side of the base, and a hollow shaft fixedly arranged on the support seat, and also comprises a motor, a synchronizing wheel rotationally arranged in the middle of the hollow shaft, wherein a synchronous belt drives between the motor and the synchronizing wheel, and a hollow tube synchronously rotates with the synchronizing wheel sleeves the front of the hollow tube; a copper strip disc rotating relative to the hollow tube sleeves the hollow tube, and comprises a copper strip chassis and a copper strip chuck, and a baking wheel fixedly connected with the copper strip chassis also sleeves the hollow tube; a locking device of the copper strip is arranged at the front end of the hollow tube, and a shaft disc rotating synchronously with the synchronizing wheel also sleeves the hollow tube; a positioning device is also arranged at the right side of the base, and a lifting device is also arranged; the lifting device is fixedly arranged on the base, and the top of the lifting device is connected with the bottom of the positioning device. The lifting and positioning mechanism provided by the invention has the advantages of reasonable structural design, convenience in use and high efficiency.