39results about How to "Realize drawing" patented technology

The invention provides an intelligent battery cycle charge-discharge testing device. The device is a secondary battery automatic charge-discharge testing device with low price, high precision and good stability. The device can test main parameters of a secondary battery, has safe and reliable performance and has wide application prospect. The device comprises a power supply module, an electronic load, an acquisition control module, a PC machine and a charge-discharge module, wherein an output of the power supply module is connected with the electronic load and the charge-discharge module; a battery to be tested is connected with the electronic load by the charge-discharge module; a signal acquisition end of the acquisition control module is connected with the battery to be tested, while a control end thereof is connected with the charge-discharge module; and the acquisition control module is on-line with the PC machine by a USB data wire.

The invention discloses a stretching resistance detection device of a curtain wall embedded part used for anchor plate construction after embedded, which comprises a fixing support attached to the outer vertical face of a main body structure and a sliding support installed on the fixing support in sliding penetrating mode. The fixing support comprises a pair of rod pieces vertically attached to the main body structure, all the rod pieces are fixedly connected with a connection plate, the connection plate is perpendicular to the rod pieces, and a guide hole is arranged in the middle portion. The sliding support comprises a pull rod support plate installed on the end portions of the rod pieces in sliding penetrating mode, the pull rod support plate is parallel to the connection plate, and the pull rod support plate and the main body structure are respectively arranged on two sides of the connection plate, the pull rod support plate is fixedly connected with one ends of at least two pull rods perpendicular to the pull rod support plate, the other ends of the pull rods penetrate through the guide hole to be fixedly connected with an anchor plate of the curtain wall embedded part and are symmetrically distributed on the curtain wall embedded part. A hydraulic jack perpendicular to the connection plate and the pull rod support plate and with a pressure meter is arranged between the connection plate and the pull rod support plate, and all the pull rods are evenly distributed on the periphery of the hydraulic jack. The stretching resistance detection device is capable of conducting onsite detection of the curtain wall embedded part after embedded.

The invention provides a processing method for improving quality of an inner surface of an austenite stainless steel tube. The method comprises the following step: successively carrying out solution treatment, straightening, pulling of a fixed mandrel and aftertreatment on a rolled austenite stainless steel insertion tube to obtain the austenite stainless steel tube with the high-quality inner surface. The processing method is simple in process, easy to implement, high in production efficiency and low in energy consumption; and the austenite stainless steel tube processed by the method is good in quality of the inner surface and the outer surface, even in structure and excellent in mechanical property; the yield of one-time detection in nondestructive test reaches 90% or above; and therefore, the processing method can be widely applied to the processing industry of stainless steel thin-walled slender tubes.

The invention discloses an extruding and pulling device for cable loose tubes and relates to the field of cable manufacturing. The extruding and pulling device for the cable loose tubes comprises a rack and an extruding mechanism arranged on the rack. The extruding mechanism comprises two clamping wheel sets arranged in parallel and a drive mechanism, wherein the clamping wheel sets are arranged on the rack. Each clamping wheel set comprises at least two rollers and a pulling belt matched with the two rollers. A channel for extruding and pulling the cable loose tubes is formed between the two pulling belts. The drive mechanism is connected with the rollers and used for driving the rollers to rotate. The extruding and pulling device for the cable loose tubes can effectively control the excess lengths of the cable loose tubes and is simple in structure and wide in application range.

A reciprocating steel pipe drawing machine is composed of machine frame, reducing dies and their supporters at both ends of machine frame, screw bolt between said reducing dies for drawing steel pipe and its driver, and steel pipe clamps installed to both ends of said screw bolt. It features its bidirectional drawing for high productivity.

The invention discloses an anchor rod pull-out test device and test method considering temperature and pressure influences. The test device comprises a base, a lower assembly plate is arranged above the base, a workpiece sleeve or a test piece cover is arranged in an assembly hole in the lower assembly plate, a high-strength glass sleeve is arranged between the base and the lower assembly plate, and a closed temperature-control and pressure-control filling space is formed among the base, the lower assembly plate, the high-strength glass sleeve and the test piece cover; the test method comprises the following steps: mounting the test device, filling the test device into a soil body, compacting the soil body, coating the soil body with a rubber film, grouting, inserting reinforcing steel bars, pressing and covering a test piece, and carrying out a pull-out test. The medium-high strength glass sleeve can form a filling space for temperature and pressure control, a manufactured test pieceis subjected to a temperature and pressure control test through a pipeline, the test piece is pressed through a lifting type middle lifting plate, compaction and drawing can be achieved through the pressing piece on a top pulling and pressing plate, and temperature and pressure influence factors are added to the test.

The invention discloses an automatic copper pipe drawing device. The automatic copper pipe drawing device comprises a machine body, a hydraulic system, an automatic clamping clamp and a drawing device body. The hydraulic system is arranged in the machine body. The automatic clamping clamp and the drawing device body are arranged on the upper surface of the machine body. The drawing device body further comprises a drawing hydraulic cylinder and a drawing length detecting travel switch. The problem of copper pipe drawing is solved, and the design mechanism is reasonable. The hydraulic cylinder is driven by the hydraulic system to draw a copper pipe clamped through the automatic clamping clamp, drawing is stopped when the drawing length detecting travel switch transmits signals, the automatic copper pipe drawing is achieved, and operation is fast and convenient.

The invention relates to a crucible for growing monocrystalline silicon and a preparation method thereof. The crucible comprises various nitride ceramic crucible billets and a C/C reinforcement layer, wherein the C/C reinforcement layer is wrapped on the outer surface of the crucible billet, and various nitride crucible billets can be prepared by a chemical vapor deposition method, a reaction sintering method and a gas pressure sintering method. According to the present invention, the crucible billet has characteristics of molten silicon erosion resistance, long service life and crystal oxygen content reducing; and with the closely adhered C/C reinforcement layer, the problem that the brittle ceramic is suddenly broken to cause the silicon leakage can be effectively prevented.

The invention belongs to the field of steel bar drawing equipment, and discloses a multi-gear variable speed drawing machine. The multi-gear variable speed drawing machine comprises an input shaft, amulti-stage gear, a driven shaft, a driving piece and an output shaft, wherein the multi-stage gear rotates along with the input shaft, can move in the axial direction of the input shaft, and is provided with at least two driving gears which rotate synchronously and are different in diameter; the driven shaft is fixedly provided with driven gears, and the driven gears and the driving gears are arranged in pairs; one end of the driving piece is connected to the multi-stage gear, and the driving piece is used for driving the multi-stage gear to move axially and be engaged with one of the drivengears; and the output shaft is in driving connection with a driven shaft and is driven by the driven shaft to rotate. Through the structure, drawing of steel bars different in diameter can be achieved, when the steel bars with different diameters are drawn, the multi-stage gear is driven to axially move through the driving piece, the driven gears and the driven gears which correspond to the steelbars with the diameter are engaged, large drawing force for the large-diameter steel bars and the high drawing speed of the small-diameter steel bars are achieved, and the motor power is sufficientlyutilized.

The invention relates to the technical field of copper pipe drawing, in particular to a production process for drawing a copper pipe. The production process comprises the following steps of A, mounting a core head; B, straightening a copper coil pipe through a straightening mechanism; C, conducting performing; D, conducting one-time drawing forming; and E, conducting cutting, specifically, a pipe obtained after drawing forming is cut, and a finished product is obtained. A drawing die comprises an outer die and a moving core head, the outer die comprises a die sleeve and a die core, the die sleeve is axially provided with a through hole, the die core is embedded in the through hole, the die core is provided with a conical core hole, the core hole is communicated with the through hole, the cross section of the core hole is in a cross shape, and the core hole is used for being matched with the moving core head; and the moving core head comprises a large-diameter section, a small-diameter section and a transition section, the transition section is smoothly connected between the large-diameter section and the small-diameter section, and the shape of the cross section of the moving core head is the same as that of the cross section of the core hole. The production process can solve the problem that an existing drawing manner is low in production efficiency.

The invention relates to the field of cable devices, in particular to a copper wire drawing machine capable of being used conveniently and fast. The copper wire drawing machine comprises a machine body, a paying-off device, a wire drawing device, a tightening device and a taking-up device. The paying-off device is located on the left side of the machine body. The wire drawing device is located in the middle of the machine body. The tightening device is located on the right side of the wire drawing device. The taking-up device is located on the right side of the tightening device. According to the small copper wire drawing machine used for cables, the whole process of automatic paying-off, drawing, taking-up and the like of copper wires can be achieved, the machine is simple in structure, and the automation degree is high.

The invention relates to an underground lamp with an adjustable beam angle. The underground lamp comprises a radiating lamp body and a glass lamp cover, and a dimming module with an adjustable light beam angle is arranged in the radiating lamp body; the dimming module comprises a light source, a convex lens, an upper stretching rotary matching part and a lower stretching rotary matching part. Thelight source is fixed in the center of the bottom end of the lower stretching rotary matching part, the convex lens is fixed at the bottom end of the upper stretching rotary matching part, a beam angle is formed between the convex lens and the light source, the lower stretching rotary matching part sleeves the upper stretching rotary matching part, and the upper stretching rotary matching part canrelatively rotate along the lower stretching rotary matching part and can be pushed and pulled up and down. According to the underground lamp with the adjustable beam angle, the specially-designed upper stretching rotary matching part and the specially-designed lower stretching rotary matching part are matched,relative rotation and drawing can be achieved, so that the beam angle between the convex lens and the light source is adjusted, the beam angle can be directionally adjusted to 20 degrees, in addition, the horizontal position of the whole dimming module can be adjusted, and therefore theapplicability of the underground lamp with the adjustable beam angle is greatly improved.

The invention provides a pull disc. The pull disc comprises a tray and a sliding block. The center of the tray is provided with a through hole connected with one end of a pull rod. The middle of the side face of the tray is provided with a plurality of sliding slots extending horizontally to the center of the tray at intervals along the circumference. A plurality of guide slots communicating withthe sliding slots correspondingly is formed in the lower surface the tray. A plurality of positioning holes communicating with the sliding slots correspondingly and corresponding to the guide slots are formed in the upper surface of the tray. The sliding block is arranged in the sliding slots on the tray. One end of the sliding block is provided with a positioning pin. One end of the positioning pin can be inserted into the positioning holes in the upper surface of the tray, and the other end of the positioning pin extends out of the guide slots in the lower surface of the tray. The pull dischas the remarkable advantages that the structure is firm and not likely to be broken, the size of the diameter is adjustable, a bearing is pulled overall, the connection is reliable and the bearing isnot likely to be broken.

The invention discloses a strip mine drilling and blasting design, construction and management method. The method comprises the steps that drilling design is conducted automatically within a planed range, and a drilling coordinate report is automatically formed; drilling coordinates are transmitted to an automatic drilling system through a wireless terminal; and after drilling is completed, actual drilling coordinates and hole depth information data are automatically transmitted to a mining MES, and drilling and blasting design is automatically conducted. By adoption of the strip mine drilling and blasting, construction and management method, the drilling design efficiency is improved, it is guaranteed that construction on the site is conducted according to the design, a drilling standard operation procedure is automatically generated, semi automation of drilling and blasting design is achieved by adoption of software assistance, the design efficiency is extremely improved, the previous two-dimensional software design is replaced with three-dimensional software design, the design is more visualized, and the morphology of an ore body is understood more authentically through a three-dimensional profile. The blasting design is more close to actual situations through importing of measured data.

The invention discloses an anti-drawing bearing capacity detection device of concrete prefabricated part lifting points and mainly relates to the field of building detection equipment. The device comprises a sling and an ejection device, wherein a force measuring device is arranged on the sling, the two ends of the sling are provided with the lifting points for hooking, the ejection device can perform upward ejection, the top of the ejection device is connected with the sling, and the ejection device drives the sling to move upwards. The device has the advantages that the state of the diagonallifting points in actual lifting is simulated, and the two lifting points are tested simultaneously.