30results about How to "Resolve twist" patented technology

The invention discloses a novel vertical spindle wind machine which is mainly formed by support devices, vanes and the like that are respectively arranged on an upper layer and a lower layer and are almost completely the sane as each other; the wind machine also comprises a movable wing link gear, a speed governing device, a rhachis, a locating device, a limiting device, an auxiliary limiting device and an auxiliary starting device. The movable wing link gear adopts a labile equilibrium form to lead the vane group to easily open and shut, so as to not only ensure the best holding state, but also reduce the requirements for the manufacturing materials, thus greatly improving the cost performance of the wind machine; the machine adopts simple and effective mode of mechanical speed regulation, so as to absolutely ensure the service life of the wind machine; all movable linking parts of the machine are in a state of sealing, so that rain, snow dust and sand are avoided damaging the wind machine; as the machine is designed to be a form of double-layer reverse rotation, the utilization rate of wind energy can be improved, and the torsional force of the whole machine can be reduced; meanwhile, the machine is provided with a device which can keep the whole machine flat, so that the whole machine can be easily put down when being necessary, and the novel vertical spindle wind machine is more suitable for ships. When in design, the processing technique and installation technique are fully taken into consideration, so that the invention is suitable for commercial process.

A multiple-freedom-degree floating electric connector with a self-calibration function comprises a plug (1) and a socket (2), and is characterized in that the socket (2) comprises the components as follows: a secondary positioning pin (11), an after-pin insulator (13), a Phi12 contact pin (14), a Phi6 contact pin (15), a before-pin insulator (16), a Phi3 contact pin (18) and a lug casing (19). According to the multiple-freedom-degree floating electric connector with the self-calibration function, the problems of unreliable electrical connection or electrical connection failures caused by multiple-freedom-degree changes such as displacement, torsion and the like produced by a battery in any direction or at any angle of an installation carrier can be solved; at the same time, damage caused by vibration and impact can be effectively eliminated; the electric connector has the characteristics that the electric connector can be connected and separated rapidly, the operation is convenient, the mechanical property is good, the electric connection is reliable, and the like; and the electric connector has larger economic and social values.

Disclosed is an automobile rear axle reducer shell large end face drilling clamp. A drill plate device is arranged at the bottom of an automobile rear axle reducer shell. The automobile rear axle reducer shell is fixed to the drill plate device through a clamping device. The two ends of the drill plate device are connected with a left rotation device and a right rotation device which are arranged on a clamp support correspondingly. The automobile rear axle reducer shell rotates through a rotation air cylinder arranged on the left rotation device. A locating air cylinder is arranged under a drill jig top plate in the drill plate device. The locating air cylinder is connected with an air channel of a rotation connector of the right rotation device through an air passage. According to the automobile rear axle reducer shell large end face drilling clamp provided by the invention, the automatic locating air cylinder and the rotation air cylinder are adopted in the drilling clamp, so that automatic locating and overturning of a workpiece are achieved, and accordingly the precision and quality of hole machining of the workpiece are improved. The automobile rear axle reducer shell large end face drilling clamp is simple in structure, convenient to operate, light, handy and attractive. The problem of air pipe torsion during workpiece overturning is solved, the operation safety is improved, the labor intensity of workers is relieved, and the work efficiency is improved by 20% or above.

The invention discloses a wiring device for computer room construction. The device comprises a workbench, a worm, an adjusting bolt and an unwinding device, wherein the unwinding device comprises a unwinding base, an outer gear ring, a clamping ring, a supporting rod, a clamping rod, an upper wedge block, a lower wedge block, a rolling wheel and a gear, a workbench hole is formed in the middle of the workbench, a vertical rod is arranged on the upper portion of the right side of the workbench, a worm groove is formed in the upper portion of the vertical rod, a worm hole is formed in the vertical direction of the worm groove, a plurality of supporting legs are arranged on the lower portion of the workbench, the worm is rotationally connected to the worm hole, the worm rotates in the worm hole, the lower portion of each supporting leg is fixedly connected to an adjusting bolt, and the unwinding device is rotationally connected to the workbench hole and rotates in the workbench hole.

The invention discloses a method for machining a high-precision extrusion die. The extrusion die comprises a female die and a male die. Before the female die and the male die are subjected to workpiece standardization, an inward-contracting step face is machined under the surface of a workpiece, wherein the surface of the inward-contracting step face is in the shape of L, and the inward-contracting step face serves as a uniform leveling foundation of follow-up processes; the center point of the workpiece is found before machining and serves as the coordinate center of all the follow-up machining processes, and then positioning is carried out with the inward-contracting step face as the horizontal foundation to carry out machining according to uniform coordinate dimensions. Due to the adoption of the uniform leveling standard, a mold cavity and a mold core of the workpiece do not twist; due to the method that the center point of the workpiece serves as the coordinate center, the mold cavity and mold core of the workpiece will not be eccentric; in this way, the phenomena of twisting and being eccentric are avoided in the workpiece machining process, machining precision and efficiency are obviously improved, the female die and the male die can be matched with each other completely, and the rejection rate is obviously lowered.

The invention relates to an ultra-long bolt, which comprises a bolt and a nut, wherein the nut is arranged at the end part of one end of the bolt; key grooves are arranged on two sides at the rod part of the bolt; locking keys are arranged in the key grooves; the length L of the bolt is greater than the diameter D of the bolt by 60 times, i.e., L is greater than 60D; and the distance S between the locking keys and the nut is greater than the diameter D of the bolt by 10 times and is smaller than the diameter D of the bolt by 15 times, i.e., S is greater than 10D but is less than 15D. The ultra-long bolt has a simple structure; and two small planes are processed on the bolt, two key grooves are processed on the small planes, and the locking keys are placed into the key grooves to clamp the bolt, the problem that the rod part of the bolt is twisted along with the screwing in the screwing process of the ultra-long bolt is effectively solved.

The invention discloses a novel vertical spindle wind machine which is mainly formed by support devices, vanes and the like that are respectively arranged on an upper layer and a lower layer and are almost completely the sane as each other; the wind machine also comprises a movable wing link gear, a speed governing device, a rhachis, a locating device, a limiting device, an auxiliary limiting device and an auxiliary starting device. The movable wing link gear adopts a labile equilibrium form to lead the vane group to easily open and shut, so as to not only ensure the best holding state, but also reduce the requirements for the manufacturing materials, thus greatly improving the cost performance of the wind machine; the machine adopts simple and effective mode of mechanical speed regulation, so as to absolutely ensure the service life of the wind machine; all movable linking parts of the machine are in a state of sealing, so that rain, snow dust and sand are avoided damaging the wind machine; as the machine is designed to be a form of double-layer reverse rotation, the utilization rate of wind energy can be improved, and the torsional force of the whole machine can be reduced; meanwhile, the machine is provided with a device which can keep the whole machine flat, so that the whole machine can be easily put down when being necessary, and the novel vertical spindle wind machine is more suitable for ships. When in design, the processing technique and installation technique are fully taken into consideration, so that the invention is suitable for commercial process.

The invention discloses a combination-typed internal burr removing and welding seam guiding device, comprising a fixed bracket, a welding seam guiding roller assembly, and a cutter rod assembly; wherein, the fixed bracket is arranged on the side surface of a forming frame; a large trailing plate which can slide upwards and downwards is arranged on the fixed bracket; one side of the large trailingplate is fixed with the welding seam guiding roller assembly and the other side thereof is provided with a small trailing plate in an upper and lower sliding way; the small trailing plate is providedwith an oil cylinder and a cutter rod assembly which are connected with each other. The combination-typed internal burr removing and welding seam guiding device leads the welding seam guiding roller assembly and the cutter rod assembly used for removing the internal burr to be effectively combined together, reduces the parts, simplifies the structure, increases the whole strength, has extremely convenient installation usage and specification replacement, improves the product quality, production efficiency and yield in the production and leads the production cost of the enterprise to be greatlyreduced.

The invention discloses an automatic magnetic anti-rotation slag salvaging machine for a whirling well. The automatic magnetic anti-rotation slag salvaging machine comprises a conveyance mechanism and a slag salvaging mechanism, wherein the conveyance mechanism comprises rotating wheels and a conveyor belt, and the rotating wheels comprise a first rotating wheel and a second rotating wheel, and the conveyor belt is wound around the exteriors of the first rotating wheel and the second rotating wheel and is driven by the rotating wheels to rotate; the slag salvaging mechanism is formed by a plurality of conical slots, an opening is formed in the top of each conical slot, the sidewall and bottom of each conical slot are latticed and are formed by hollow tubes with magnetism conduction capability, the surface of each hollow tube is provided with a plurality of bulges for increasing the surface area of each hollow tube, the conical slots are connected with the conveyor belt and are driven by the conveyor belt to rotate, the conical slots are connected with the conveyor belt through hinges, and an alternating current coil capable of generating magnetic force is arranged in each hollow tube forming the conical slots; the sidewall of each conical slot is provided with a first groove, and the conveyor belt is provided with protruded strips matched with the first grooves at positions corresponding to the conical slots.

The invention relates to a four-line segmentation rolling technology of a deformed steel bar with a diameter of 10mm, and the technology is characterized in that 150 square billets are sequentially rolled by six rough rolling units and 8 medium rolling units, rolled pieces are machined into flat steel, the rolled pieces then enter a fine rolling unit 15H to be machined into 0.4-mm dog-bone-shaped rolled pieces with the size of the middle part being smaller than that of the two sides, the rolled pieces enter a 16 H / V frame rolling machine for segmentation in a centering way, because the distance of two middle holes is identical in the design of the pre-segmentation and a segmentation hole, the rolled pieces under the pre-segmentation can be precisely centered in the segmentation hole, the rolled pieces are rolled into four parallel-connection rolled pieces with a ligament of 0.7mm, then the four parallel-connection rolled pieces are subjected to three-time segmentation through a front segmentation wheel and a rear segmentation wheel, which are installed on a 16 H / V outlet, then the two middle parallel-connection rolled pieces are twice cut into four independent rolled pieces, the four rolled pieces respectively and individually enter a roll groove passage of 17H and 18H / V frame rolling machines to be respectively rolled into four deformed steel bar finished products with the diameter of 10mm, the same size and the same shape. Through the technology, the yield per hour of the deformed steel bar with the diameter of 10mm is increased, the production cost is reduced, the production efficiency is increased, and the labor intensity of operators is alleviated.

The invention discloses a construction method for suspension bridge gravity type anchorage porous annular foundations. The construction method comprises the following steps that the multiple annular foundations are prefabricated; the first layer of annular foundation is put in a to-be-installed position, and soil is taken evenly and symmetrically in a sector area and a wellhole of the first layerof annular foundation till the first layer of annular foundation sinks to the set depth; the second layer of annular foundation is installed on the first layer of annular foundation, head swing rebarson the second layer of annular foundation and head swing rebars on the first layer of annular foundation are bound and connected, a template is supported at joints, and concrete is poured; soil is taken evenly and symmetrically in sector areas and wellholes of the first layer and second layer of annular foundations till the first layer of annular foundation sinks to the set depth; a layer of annular foundation is installed on the topmost layer of annular foundation till the bottom of the first layer of annular foundation reaches the design elevation and is stabilized, and then construction isstopped; pouring of top seal concrete and a cast-in-place cover plate is conducted. Construction safety can be ensured through the suspension bridge gravity type anchorage porous annular foundations.

The invention provides a space three-dimensional multidirectional-adjusting aluminum alloy support system. The space three-dimensional multidirectional-adjusting aluminum alloy support system comprises a halfen groove and an aluminum alloy buried plate, one end of the halfen groove is arranged a wall body in the X-axis direction and closely provided with the aluminum alloy buried plate, a connecting device and vertical plates are arranged on the two sides of the aluminum alloy buried plate correspondingly, and the connecting device comprises a first kidney-shaped hole formed in the Z-axis direction; T-shaped bolts, aluminum alloy transfer weights and aluminum alloy transfer cushion blocks are arranged at the two ends of the connecting device in a matched mode correspondingly, and threads are arranged on the connecting faces of the aluminum alloy transfer weights and aluminum alloy transfer gaskets; the threads are arranged on the outer surfaces of the vertical plates, second kidney-shaped holes are formed in middles of the vertical plates in the Y-axis direction, aluminum alloy transfer weight keys and aluminum alloy hanging weights are arranged between the vertical plates on the two sides in an embedded mode, and balance bolts transversely penetrating through the aluminum alloy transfer weight keys are arranged in the second kidney-shaped holes in a matched mode; and hanging grooves are symmetrically formed in the two sides of the upper surfaces of the aluminum alloy transfer weight keys, the aluminum alloy hanging weights are arranged on the hanging grooves in a hung modethrough U-shaped hooks, and fine-adjusting bolts are arranged at the tops of the U-shaped hanging grooves. The space three-dimensional multidirectional-adjusting aluminum alloy support system has theadvantages of three-dimensional multiple adjustment, accuracy and stability.

The present invention discloses a connection structure for a suspension strain insulator string. The connection structure comprises a pre-positive unit, a double-layer set square (15) and a second-change six-link plate (21). The double-layer set square (15) is provided with three string hanging holes (15.1). The second-change six-link plate (21) is provided with two string lifting holes (31) and six ring hanging holes (32). The pre-positive unit is connected with one string hanging hole (15.1) of the double-layer set square (15). The other two string hanging holes (15.1) of the double-layer set square (15) are respectively connected with the string lifting holes (31) of the second-change six-link plate (21) on the front and rear sides of the suspension strain insulator string. The ring hanging holes (32) of the second-change six-link plate (21) are connected with a wire (37). Based on the above structure, the functional requirements of turning around a corner, bearing the wire pressure, preventing the falling of the string, isolating a failure, adjusting the height of a tower and the like can be met. Meanwhile, the twisting problem of link plates can be well solved and the construction cost is lowered. Moreover, the direct jump-through is realized and the construction cost is lowered.

A fluteless rolling technology for rolling steel section includes sequentially determining 14 technological parameters including total cross-section shrinkage ratio of the workpiece to be rolled, the pressing down size of each pass, total number of passes, 5 correcting coefficients, etc, and rolling by fluteless rolling mill while regulating the clamp to the workpieces.

The invention relates to a method for lengthening columns, adding beams, resisting earthquakes and reinforcing for a bottom frame structure. According to the method, sections of original frame columns are expanded in the bottom frame structure, so that expanded frame columns extend in a uniform section mode to an upper brick-concrete structure till the top of the brick-concrete structure to form a penetrating whole body. Simultaneously, longitudinal beams and transverse beams are added on a bearing wall body of the original brick-concrete structure, added beams are in rigid connection with newly lengthened constructional columns, steel bars are embedded on the original floor and newly added beam portions, newly added beams are effectively connected with the original floor, and one-piece pouring is conducted for newly added longitudinal beams, newly added transverse beams and newly lengthened constructional columns, so that the original floor, newly added beams and newly lengthened columns form an integrated body. By the aid of the method, the load-carrying system of the structure can be changed, the original bottom frame structure system is changed into the frame structure system, the earthquake resistant strength of the structure is improved, and the integrity of the structure is enhanced.

The invention discloses a suspension tension string connecting device. The suspension tension string connecting device comprises a pre-posed unit, a double-layer triangle plate (15) and two-to-eight yoke plates (21); three hanging string holes (15.1) are formed in the double-layer triangle plate (15); two hanging string holes (34) and eight ring hanging holes (32) are formed in each two-to-eight yoke plate (21); the pre-posed unit is connected with one hanging string hole (15.1) of the double-layer triangle plate (15); the other two hanging string holes (15.1) of the double-layer triangle plate (15) are connected with the hanging string holes (34) of the two two-to-eight yoke plates (21) at the front side and rear side of suspension tension strings respectively; and the ring hanging holes (32) of the two-to-eight yoke plates (21) are connected with wires (39). The suspension tension string connecting device of the above structure can meet functional requirement such as rotation, wire pressure withstanding, chained collapse, accident isolation and tower height adjustment; the problem of the torsion of the yoke plates can be well solved; project cost can be reduced; and direct jump connection can be realized, and project cost can be further decreased.

The invention relates to a machine head of a cutting machine, belongs to a component of the cutting machine, and is applied to the cutting field. The machine head of the cutting machine comprises a pressing and feeding device and a cutter grinding device, and is characterized by further comprising a cutter deviation-correcting device and a shock absorption device. The cutter deviation-correcting device comprises a guide wheel frame, a pressing wheel and a position sensor on an elastic arm, wherein a pressing disc is provided with the guide wheel frame, and the guide wheel frame is provided with the pressing wheel and a rear pressing wheel. The shock absorption device comprises a servo motor, a first synchronous belt wheel group and a vibration shaft, wherein the servo motor is arranged on a machine head vertical fixing frame through a motor fixing seat, and the vibration shaft is connected on a machine head seat. Due to the fact that the cutter deviation-correcting device and the shock absorption device are arranged on the machine head, the deviation between top-layer material and bottom-layer material is well controlled, and noise in the cutting process is lowered.

The invention discloses a zinc-coated steel wire for bridge cable with high-strength and high-torsion and preparation technology thereof, and belongs to the technical field of wire rods for bridge cables. The preparation technology comprises the steps that (1) rolled steel wires with high quality are selected; (2) single-pass or multi-pass pre-drawing is carried out, specifically the reduction rate of the single-pass pre-drawing is less than or equal to 20%, and the front-pass reduction rate of the multi-pass pre-drawing is larger than the rear-pass reduction rate of the multi-pass pre-drawing; (3) off-line heat treatment is carried out, specifically heat treatment is carried out on the obtained rolled steel wires of the step (2) by adopting one kind of salt bath, lead bath or water bath;and (4) the finished product zinc-coated steel wire is obtained by throwing. Compared with an existing preparation technology of general rolled steel wires, the designed preparation technology does not change technology parameters of off-line heat treatment and throwing, the operation is simple, and the feasibility is higher; and the tensile strength of the obtained zinc-coated steel wire is not less than 1860 MPa, the number of torsions is not less than 18 times in the torsion performance, and the service requirement of the bridge cables is met.

When the glass frame portion 52 turns over an angle to adjust the lighting direction, the lens 54 and the reflector 40 rotate angularly thereupon, but the bulb 37 does not rotate angularly thereupon because it is fixed on the lamp body 30, so that the connection The harness W / H on the bulb 37 cannot be twisted. Therefore, the problem of the wire harness W / H being twisted due to the twisting of the beam wire W / H when adjusting the lighting direction in the conventional structure is avoided. In addition, the lens 54 and the reflection plate 40 can be angularly rotated synchronously so that the reflected light on the reflection plate 40 always illuminates a predetermined portion of the lens 54 . Therefore, the light beam emitted from the bulb 37 can be efficiently irradiated on the object to be illuminated. There is a notch 41 on the reflector 40 to facilitate the installation of the bulb 37 and the reflector 40 .