60results about How to "Evenly accepted" patented technology

The invention discloses a machining device and method for a double-layer casing of an aero-engine. The device comprises an end surface gland, a shell, an inner sleeve, movable tensioning blocks, an air bag, a supporting rod, supporting arm nuts, supporting arms, a connecting seat, a ball head guiding rod, an inner hole fixing claw, an outer stand column, a transverse top head and a pressing plate.A turning and milling compound machining method is adopted, when an inner hole and an end surface are turned, the mode that an outer supporting is matched with the air bag for tensioning is adopted,and when an outer boss is milled, the mode that an inner supporting is matched with the air bag for tensioning is adopted; and according to the machining device, the high-quality and high-efficiency machining of the similar thin-wall double-layer casing can be achieved, and it is ensured that the circular degree of the casing meets the requirement.

The invention discloses a full-servo numerical control pipe bending machine, and relates to the technical field of pipe bending processing. The device comprises a feeding mechanism, an angle rotatingmechanism, a pipe bending mechanism, a clamping mechanism, a lifting mechanism, a horizontal moving mechanism, a backup plate mechanism and a servo mechanism. According to the pipe bending machine, 8-axis servo control is adopted to complete the movement of different angles and positions, bending machining of any angle and radius can be realized, and machining precision is guaranteed; and meanwhile, a pipe bending die and a feeding clamp can be quickly replaced on the structure, so that the pipe bending machine has a function of welding before bending.

The invention discloses a numerical control pipe-bending machine control system, and relates to the technical field of pipe bending machining. The numerical control pipe-bending machine control systemcomprises a central controller, external inputting equipment, external outputting equipment and a pipe-bending machine executing part. The pipe-bending machine executing part comprises a feeding servo mechanism, an angle rotating servo mechanism, a pipe-bending servo mechanism, a clamping servo mechanism, a lifting servo mechanism, a horizontal moving servo mechanism, a plate backing servo mechanism and a follow-up servo mechanism. According to the numerical control pipe-bending machine control system, moving at different angles and positions is completed through eight-axis servo control, bending machining at any angle and radius can be achieved, and the machining precision is guaranteed; and meanwhile, quick replacing of a pipe-bending mold and a feeding clamp can be structurally achieved, and thus, a pipe-bending machine has the function of welding prior to bending.

The invention provides a soil nailing wall supporting structure and a construction method. The construction method comprises the steps as follows: a plurality of deep holes are formed in a to-be-supported surface, GFRP (glass fiber reinforced plastic) ribs penetrate through the deep holes, grouting is performed, and soil nailing bodies are formed; reinforcing meshes are hung on the supported surface; the reinforcing meshes are fixed with rod pieces, exposed out of the supported surface, of all GFRP ribs, and a concrete surface layer of the supported surface is formed by performing guniting on the reinforcing meshes; outer ends of the GFRP ribs are exposed out of the concrete surface layer to form anchoring ends, and the soil nailing bodies and the concrete surface layer form a whole through cooperation of anchoring parts and the anchoring ends of the GFRP ribs. Compared with the prior art, the GFRP ribs have higher tensile strength, can improve the overall support performance of a soil nailing wall after being applied to the soil nailing wall and are stable in performance, high in corrosion resistance and long in service life. More importantly, the GFRP ribs have weak shear capacity and can be cut off easily when nearby underground engineering construction is interfered by the soil nailing wall, and a lot of manpower and material resources are saved.

The invention discloses a framing machining method of core-shell structure door and window profiles, relates to the field of building decoration engineering, and aims to solve the problems that existing door and window profiles are not reasonable in assembly process, and door and window profile corners are not high in bonding strength and accuracy, close in sealing, attractive and durable. The framing machining method includes the steps: S1 cutting the profiles; S2 machining the ends of the profiles; S3 preassembling the machined profiles; S4 starting a framing device; S5 mounting a profile frame; S6 clamping the profile frame; S7 applying pressure to the frame; S8 releasing the pressure. By the aid of the steps, longitudinal parallel rods and transverse parallel rods relatively motion through hydraulic transmission, the assembled door and window profiles can be effectively assembled in the device, and the method solves the quality problems that in a traditional assembly process, force is unequally applied, errors are large, the ends of the profiles are easily damaged, connectors have biased and the like.

The invention discloses a pull type clutch assembly test tool comprising a base, a clutch assembly fixing support and a detection part. The clutch assembly fixing support is arranged on the base. A lower fixing support is connected with a limiting member through a connecting rod. The center of the limiting member is provided with a detection through hole. The clutch assembly is fixed between the lower fixing support and the limiting member through a fixing end. The detection part is arranged on the clutch assembly and positioned in the detection through hole. The test tool is installed on detection equipment in detection, the lower fixing support is arranged on the base, the clutch assembly is fixed on the lower fixing support by the installing hole through the edge of the clutch cover of the fixing end, then the limiting member is arranged on the fixing support, the detection part is arranged on the clutch assembly and the detection part is positioned in the detection through hole so that force bearing of the clutch assembly is enabled to be uniform in testing, the test result is accurate, and finally the pressing column of the detection equipment is abutted against the center of the detection part to perform pressing detection.

The invention relates to the technical field of slope protection bricks, in particular to an omnibearing interlocking ecological slope protection brick and a preparation method thereof. The omnibearing interlocking ecological slope protection brick is composed of a main body, clamping blocks, grooves, a soil stabilizing protection plate and planting holes; the main body is a positive hexagonal prism and is provided with a front side face, a front left side face, a rear left side face, a rear side face, a rear right side face and a front right side face; the clamping blocks are arranged on thefront left face, the rear face and the front right face and extend in the direction away from the center of the main body; and the grooves are formed in the front face, the rear left face and the rearright face and sunken in the direction close to the center of the main body. The problem that a current slope protection brick cannot achieve omnibearing occlusion is structurally solved, building waste is further recycled to serve as a raw material for preparing the slope protection brick, thus the manufacturing cost is lowered, economic benefits are increased, and the ecological environment isprotected.

The invention discloses a rear axle housing assembly. The rear axle housing assembly comprises a rear upper axle housing body, a rear lower axle housing body, a rear left axle housing tube, a rear right axle housing tube and half-shaft casing flange plates. The rear upper axle housing body and the rear lower axle housing body are in a butt welding mode to form a rear axle housing body. The half-shaft casing flange plates are welded to the two ends of the formed rear axle housing body through the rear left and right axle housing tubes respectively. Reinforcing rings are arranged at the rear portion of the rear upper axle housing body and the rear portion of the rear lower axle housing body so as to connect the rear upper axle housing body with the rear lower axle housing body. The rear lower axle housing body is provided with an oil drain plug base. A left upper trailing arm support is arranged on the upper surface of the rear left axle housing tube. A left lower trailing arm support welding assembly is arranged on the lower surface of the rear left axle housing tube. A right upper trailing arm support is arranged on the upper surface of the rear right axle housing tube. A right lower trailing arm support welding assembly is arranged on the surface of the front side of the rear right axle housing tube. The connection portion is reinforced doubly, all the components are distributed more evenly and reasonably, firmness of axle connection is improved, balanced stress of an axle is facilitated, and operation stability is improved.

The invention relates to the technical field of printing, particularly to paper ink explosion detection equipment, which comprises a detection cavity, wherein the top end of the detection cavity is fixedly connected with a first motor, the lower end of the first motor penetrates into the detection cavity through a lead screw and is fixedly connected with a limiting block, the upper end of the limiting block is located outside the lead screw and slidably connected with a reciprocating plate, two movable rods penetrate through the two ends of the reciprocating plate correspondingly, and the lower ends of the two movable rods are fixedly connected with a driving cavity. According to the invention, pressure is applied to a driving cavity through the elastic force of a spring, so that a first roller in the driving cavity is stressed more evenly, and the problem of uneven stress caused by a traditional mechanical transmission extrusion mode is solved; and a pressure sensor effectively detects the stress condition of a second roller and visually displays the stress condition through a display screen, and personnel can adjust the elastic length of two springs through the superposition number of auxiliary rings, so that the calibration of the elastic force of the springs is realized.

A special hoisting system for a 900-ton transporting and erecting all-in-one machine comprises a plurality of gantry cranes, the gantry cranes are arranged on two sides of a track bridge under construction in a striding mode, the hoisting system further comprises a hoisting adjusting unit and a positioning supporting unit, the top of the hoisting adjusting unit is connected with a crane of the gantry cranes, and the bottom of the hoisting unit is connected with a bridge erecting machine in a hoisting and hanging mode. And the positioning and supporting unit is fixedly arranged on a top surfaceof a beam box built at a previous stage and provides positioning and supporting for rear supporting legs of the bridge erecting machine. According to the hoisting system, a problem that the all-in-one machine is constrained and limited by environmental conditions in a hoisting process can be solved, the 900-ton transporting and erecting all-in-one machine can normally feed beams and accurately hoist and locate the beams, bridge climbing and beam erecting and transporting construction is facilitated, the construction problems of beam feeding and beam erecting and transporting under complex working conditions are effectively solved, the structure is simple, operation is easy, a beam loading period is remarkably shortened, and wide economic benefits are achieved.

The invention discloses a method for hanging a wheel set of a locomotive vehicle. The failed wheel set is separated from a rail through the vertically upward support force supplied by a jack, is in a hung state over the rail and then tightly tied to a running gear bogie through an auxiliary fastening device, a support device is installed on a normal wheel set adjacent to the failed wheel set, therefore, the running gear bogie is in an inclined state to share the pressure of the whole locomotive vehicle on the running gear bogie, and then the locomotive vehicle can run at low speed in the state that a failed wheel is hung.

The invention relates to the field of road equipment, in particular to a road deceleration strip. The road deceleration strip comprises a U-shaped gravity host machine oil groove, wherein a cross plate is fixed on one upper edge of the gravity host machine oil groove through a hinge; a telescopic buckle plate is fixed on the other edge of the gravity host machine oil groove through a hinge; a chute is formed in the telescopic buckle plate; a roller is arranged in the chute of the telescopic buckle plate; grooves are formed in the telescopic buckle plate; convex pieces are arranged on the edge, facing the telescopic buckle plate, of the cross plate, inserted into the grooves, and fixed with the roller; a return spring is arranged in the gravity host machine oil groove; one end of the return spring is fixed on the surface of the gravity host machine oil groove; the other end of the return spring is fixed on the cross plate; the return spring enables the cross plate and the telescopic buckle plate to protrude upwards. The road deceleration strip has the benefits that when an automobile passes through the road deceleration strip, vibration of the automobile is reduced, and damage to the automobile and the discomfort of passengers are lowered.

The invention discloses a numerical control high-speed carving and milling machine of a bridge type elevated cross beam moving gantry. The numerical control high-speed carving and milling machine comprises a base, a left wall, a right wall, a cross beam, a front sliding seat, a rear sliding seat, a ram and a spindle. A workbench is arranged on the base, the left wall and the right wall are arranged on the base in parallel, and the workbench is located between the left wall and the right wall. The two ends of the cross beam are arranged on the left wall and the right wall, and horizontal moving pairs are formed by the two ends of the cross beam, the left wall and the right wall. The front sliding seat and the rear sliding seat are arranged in parallel, a horizontal moving pair is formed by the front portion of the front sliding seat and the cross beam, and a horizontal moving pair is formed by the rear portion of the rear sliding seat and the cross beam. The ram is located between the front sliding seat and the rear sliding seat, a vertical moving pair is formed by the front portion of the ram and the front sliding seat, and a vertical moving pair is formed by the rear portion of the ram and the rear sliding seat. The spindle is arranged on the lower portion of the ram and used for being provided with a carving and milling cutter. The numerical control high-speed carving and milling machine has the beneficial effects that due to the fact that the cross beam in the machine is supported by the left wall and the right wall, the down milling precision and the up milling precision of a workpiece are the same.

The invention provides a heat insulation stirring device based on honey heating and a use method thereof, and relates to the technical field of honey processing. The heat insulation heating device comprises a honey tank body, wherein a honey tank opening is formed in the upper end of the honey tank body; a heat insulation layer is arranged on the inner wall of the honey tank body; a heating circulation cavity is arranged at one side of the heat insulation layer; a stirring shaft is arrange inside the heating circulation cavity; the lower end of the stirring shaft is provided with a stirring paddle; a baking plate is arranged on the surface of the rotating shaft; a pipe opening is formed in one side of the rotating shaft; a heat radiation plate is arranged on the surface of a sensing chamber; a switch is arranged at one side of the honey tank body; a photoelectric fusion measuring instrument is arranged at one side of a honey discharging cavity; an extraction plate is arranged on the surface of the honey discharging cavity. The device solves the problems that the honey heating in the existing market is manual heating; the tank body is made of glass substances, so that the temperature cannot be easily mastered; the nutrition ingredients of the honey are influenced; the disadvantages are caused on the mouthfeel of the honey; a great number of precipitates are decomposed; bacteriagrow; harm is caused on the body when people with poor spleen and stomach conditions eat the honey.

The invention relates to a ribbed steel bar welded mesh. A circular ring is welded in each mesh hole of the welded mesh; the steel bars of the welded mesh on the periphery of the circular ring are all tangent to the circular ring. According to the ribbed steel bar welded mesh provided by the invention, the steel bar welded mesh adopts circular supporting ribs; the circular supporting rib in each mesh hole is in the relationship of an internally tangent circle with the mesh hole; when the welded mesh is stressed, the stressed pressure of the supporting rib can be orthogonally decomposed; therefore, the steel bars on the periphery of the supporting rib are stressed uniformly, deformation is avoided, and even the steel bars deform slightly, the existing supporting effect can still be achieved by the tangent structure of the supporting rib with the steel bars.

The invention discloses a wall-suction type router bracket, comprising a support frame body (1), wherein more than one suckers (2) for adsorbing the whole bracket on the wall surface are arranged at the back surface of the support frame body (1), a supporting plate (3) for providing upward support force for the router is respectively arranged at two right angles at the lower end of the support frame body (1), and a baffle (4) which is used for preventing the router from moving in the horizontal direction and is provided with an L-shaped cross section is respectively arranged on two sides of the front part of the support frame body (1). The wall-suction type router bracket disclosed by the invention has the following beneficial effects: according to the router bracket, the router is arranged on the bracket and cannot generate displacement in any direction without applying external force manually, and thus relatively good stability can be achieved; and the router bracket is adsorbed on the wall surface through the sucker, and thus the wall surface cannot be damaged.

The invention discloses a stacking device of a wood board stacking production line. The stacking device comprises supporting columns on the four sides. A row of interval strip falling devices are transversely arranged on the top in the range defined by the supporting columns. A row of stacking supporting rods are vertically and movably connected within the range defined by the supporting columns and below the interval strip falling devices. A row of stacking discharging conveying chains are arranged below the stacking supporting rods. The vertical projections of the stacking supporting rods and the vertical projections of the stacking discharging conveying chains are arranged at intervals. The stacking discharging conveying chains stretch out from the stacking discharging end. The sides, located at the stacking feeding end, of the supporting columns are vertically and movably connected with a row of feeding stop rods. It can be known from the above structure that the stacking device of the wood board stacking production line achieves the automatic wood board stacking operation, the production efficiency is improved, the size requirement after stacking is guaranteed, and meanwhile the labor intensity of operators is lowered.