14results about How to "Ensure rigidity" patented technology

This invention relates to the field of hydropower station equipment testing technology, and in particular provides a motion control system based on a programmable automation controller. The system includes a dual-motor drive module, a multi-axis transmission mechanism, and a closed-loop control core module. The dual-motor drive module consists of a rotary mechanism and a Z-axis lifting mechanism. The multi-axis transmission mechanism converts motor power into mechanical motion through a lead screw and nut pair and a gear and rack assembly, ensuring the rigidity and accuracy of power transmission. The closed-loop control core module uses a PAC ADVANCE controller as its core, integrating a Z-axis displacement sensor and a rotary axis angle encoder. It controls the dual motors through pulse direction signals and uses an electronic gear ratio configuration function to convert pulses into actual displacements. In the motion control of a hydropower turbine flow channel inspection robot, this system solves the problems of insufficient accuracy, low flow channel switching efficiency, and high safety risks.

The utility model discloses a kind of lining blanking machine for square tube lining plate welding, belong to welding auxiliary equipment technical field, the blanking machine mainly includes storage rack and push mechanism, storage rack is formed by first carriage, second carriage and the connecting end plate of both ends, form a slightly wider lining blanking passage, for horizontal stacking lining plate, push mechanism is fixed in storage rack bottom end side, its execution end is aligned with the lowermost lining plate of blanking passage, by cylinder driving connecting rod and L type poking piece mechanism, the lowermost lining plate is horizontally pushed out;Upper lining plate is automatically dropped to supplement under the action of gravity in succession, the utility model realizes the automatic, continuous, accurate blanking of lining plate, effectively improve the automation degree and production efficiency of square tube lining plate welding, reduce manual operation intensity and security risk.

The utility model relates to a linkage structure of a multi-pole contact of a dual-power change-over switch, comprising a rotating shaft which is a metal shaft; the handle is mounted at one end of the rotating shaft and synchronously rotates with the rotating shaft under the action of external force; the multi-pole contact is linked with the rotating shaft; the multi-pole contact comprises at least two poles of moving contact assemblies which are arranged on a rotating shaft along the axial direction; one end of the driving shaft is connected with the electromagnetic driving device, and the other end is axially mounted on the other side of the handle relative to the rotating shaft; under the action of the electromagnetic driving device, the driving shaft can horizontally move in the direction perpendicular to the rotating shaft, and then the handle and the rotating shaft are driven to rotate. In the scheme, the linkage structure comprises the rotating shaft, the handle, the multi-pole contact and the driving shaft, the rotating shaft is a metal shaft, the handle and the multi-pole contact are both sleeved on the metal shaft, the driving shaft is installed on the handle, the metal shaft is used as a linkage piece, the handle, the multi-pole contact and the metal shaft are in synchronous linkage, and the linkage consistency is good.

The invention discloses an angle-fixed cache frame adaptable to multi-size collecting and winding drums, and relates to the technical field of warehouse logistics equipment.The angle-fixed cache frame comprises a rack and a controller, an adjusting mechanism is arranged on the rack, a restraining mechanism is arranged on the adjusting mechanism, and the adjusting mechanism comprises a mounting box. According to the angle-fixed temporary storage frame capable of being matched with the multi-size winding drums, the temporary storage frame can be accurately and automatically matched with the winding drums with different lengths and diameters through the transverse adjusting module composed of a double-shaft servo motor, a threaded rod, a threaded block and a push rod and the longitudinal adjusting module for driving the mounting platform to ascend and descend through an air cylinder; an operator only needs to input parameters through the controller, automatic adjustment of the width and the height of the buffer frame can be completed, the adaptability of equipment to collecting drums of different specifications is greatly improved, the trouble that tools are frequently replaced or adjusted due to product model changing is avoided, and the space utilization rate and the production flexibility are remarkably improved.

This invention provides a coreless stator with a high magnetic flux density and a thin working area, and an axial flux motor. The coreless stator includes a first winding unit and a second winding unit stacked axially. Several winding coils of the first and second winding units are fabricated on a conductive substrate using a subtractive process. Each winding coil includes a working area, a hollow slot, and bent outer and inner coil bridging areas. The first and second winding units are circumferentially misaligned during axial stacking, so that the working areas of the first and second winding units are circumferentially spaced and distributed in the same radial plane, forming the stator working section. The thickness of the stator working section does not exceed half the total thickness of the coreless stator. This application further thins the stator working section of the coreless stator, significantly reducing the effective working air gap length of the axial flux motor, significantly enhancing the air gap magnetic flux density, improving the motor's torque density and power density, and achieving synergistic optimization of performance and reliability.

The invention relates to the technical field of tensile detection, in particular to a tensile detection device based on high-wear-resistance Gaussian crack fabric processing, which comprises a processing table, a detection mechanism is arranged on the processing table and is used for tensile detection of a high-wear-resistance Gaussian crack fabric sample, and the detection mechanism comprises a main body assembly, comprising a front sliding base installed on the front side of the upper end of a machining table in a front-back sliding mode, a front installation base is fixed to the upper end of the front sliding base, a rear sliding base is installed on the rear side of the upper end of the machining table in a front-back sliding mode, and a rear installation base is installed at the upper end of the rear sliding base in a front-back sliding mode; a pressure sensor is mounted between the output end of the first cylinder and the rear end of the rear mounting seat; through the synergistic effect of mechanical pressing and vacuum adsorption, uniform pressure distribution is guaranteed while firm clamping is achieved, and the surface of the material is prevented from being damaged; in addition, dynamic sealing is matched to maintain stable adsorption, so that the reliability and the accuracy of a test result are improved.

The application relates to the technical field of integrated air compressor stations, in particular to an air compressor cabinet body and an air compressor station. The air compressor cabinet body comprises a base, a box top located above the base, a supporting column fixedly connected with the box top and the base and forming an installation area between the base and the box top, a plurality of gas storage tanks arranged in abutment on one side of the installation area to close one side of the installation area, a first switch door arranged on the side of the installation area opposite to the gas storage tanks, a second switch door arranged on the side of the installation area between the first switch door and the gas storage tanks, and a side closing structure arranged on the side opposite to the second switch door. The air compressor cabinet body has the advantages that the problem of insufficient optimization of the system inside the existing air compressor cabinet body design and simple assembly and installation are solved.

The utility model discloses a vertical hydraulic clamp, include: circular base, annular cylinder wall, vertical clamping mechanism and hydraulic distribution valve, circular base is installed in the rotary workbench, and annular cylinder wall is ringed in circular base, annular cylinder wall and circular base surround and set up clamping work cavity, the rotary workbench can make circular base and annular cylinder wall rotating activity, annular cylinder wall is provided with the vertical mounting plate of the board piece, vertical clamping mechanism and hydraulic distribution valve are installed in vertical mounting plate, vertical clamping mechanism includes a plurality of hydraulic clamping subassembly connected with hydraulic distribution valve, the utility model discloses, and the clamp whole is directly installed on the rotary workbench through circular base, can realize the synchronous rotation of workpiece and clamp under the clamping state, the design makes the hydraulic clamping force direct action on the vertical or inclined facade of workpiece, and the vertical posture of perfect adaptation large -scale workpiece is placed, and the rigidity and the anti -vibration of clamping under the strong cutting working condition are ensured.

This utility model relates to the field of civil engineering construction technology, and discloses a steel sheet pile support structure for foundation pit excavation. It includes steel sheet columns connected by a fixing assembly. A fixing groove is formed on the side of each steel sheet column, extending into the soil. A sleeve is installed inside the fixing groove, and multiple protruding grooves are formed on the outer surface of the sleeve. An insertion block is movably installed inside each protruding groove, and a movable column is movably installed inside the sleeve. This utility model further enhances the interaction between the support structure and the foundation through the installation of the sleeve. When the movable insertion block inside the protruding groove, the movable column inside the sleeve, and the retaining plate are pushed, the inclined surface on the retaining plate can smoothly push the insertion block into the protruding groove, thereby achieving a firm fixation between the support structure and the soil. This eliminates the need for a large amount of support structure, facilitating operations inside the foundation pit.

The utility model discloses a bicycle manufacturing is with frame bearing capacity testing arrangement, including test board, the test board is fixed with fixed part and hydraulic cylinder no.

This utility model discloses a feeding device for preventing fabric wrinkling in garment processing. It relates to the field of garment processing technology and includes a fixing component. The fixing component includes a fixing frame, a feeding component fixedly installed at one end of the top of the fixing frame, three guiding components fixedly installed at the top of the fixing frame, and two guiding components fixedly installed inside the fixing frame. A flattening component is provided on top of the guiding components located at both ends of the top of the fixing frame. The flattening component includes a gantry frame, the bottom of which is fixedly connected to the top of the fixing frame. A fabric air chamber is fixedly installed in the middle of the top of the gantry frame, and an air source interface is provided in the middle of the top of the fabric air chamber. Several airflow nozzles are connected to both ends of the bottom of the fabric air chamber, and a solenoid valve is fixedly installed between the airflow nozzles and the fabric air chamber. This utility model can effectively prevent fabric wrinkling during feeding and eliminate central wrinkles generated during fabric winding, thus having high practical value.

This utility model discloses a high-strength composite structure drill bit, relating to the field of drill bit technology, comprising: a reinforcing rod; a cutting assembly disposed on the outer circumference of the reinforcing rod; a fixing assembly disposed on the outer circumference of the reinforcing rod and the cutting assembly for fixing the reinforcing rod and the cutting assembly; and a composite layer disposed on the surface of the cutting assembly for high-strength protection. This utility model, by setting auxiliary spiral grooves and gradually decreasing the spiral angle from the bottom to the top of the drill bit, optimizes the guidance and discharge path of waste chips according to the needs of different stages during drilling. This not only improves chip removal efficiency and reduces pressure backflow caused by waste chip blockage, but also enhances drilling speed and the stability of the drilling process.

The invention discloses a mold for spinning forming of a mixer of a combustion chamber of a gas turbine, and belongs to the technical field of molds for spinning forming, the mold comprises a first petal mold and a second petal mold, the first petal mold and the second petal mold are alternately arranged in an annular array mode, and the side wall of the first petal mold is arranged to be a regular trapezoid slope; the side wall of the second petal mold is arranged to be an inverted trapezoidal inclined face, the regular trapezoidal inclined face is matched with the inverted trapezoidal inclined face in an attached mode, driving assemblies are arranged in the first petal mold and the second petal mold, and alternate supporting assemblies are arranged between the driving assemblies and the first petal mold and between the driving assemblies and the second petal mold. Through the arrangement of the first petal mold, the second petal mold, the driving assembly and the alternate supporting assembly, the mold can integrally and synchronously stretch to the working diameter for spinning forming, after forming, the mold can be integrally, synchronously and radially folded by operating a rotating handle, the molded surface of the mold is smoothly separated from an inner cavity of a workpiece, the demolding step is simplified, and the machining efficiency is remarkably improved.