12results about How to "Large adjustment stroke" patented technology

The invention relates to the field of automobile wire harnesses, and mainly discloses an automobile wire harness processing conveying device which comprises a bottom frame, an adjusting frame is mounted at the top of the bottom frame, a rotating frame is mounted at the top of the adjusting frame, the bottom frame comprises a bottom frame, supporting legs are fixedly mounted on the four portions of the bottom frame, and first sliding rails are symmetrically mounted at the top of the bottom frame along the center; the bottom of the adjusting frame is slidably mounted on the first sliding rail. The adjusting frame can be slidably adjusted at the top of the bottom frame, the adjusting frame can drive a third transmission chain to move through an installed second motor, and the rotating frame can slide on a second sliding rail through the third transmission chain, so that the rotating frame can rotate on the top of the bottom frame on the premise that the length of the bottom frame is not changed. And the overall adjusting stroke of the rotating frame is increased, the overall practicability is improved, and the feeding position and the discharging position can be changed according to actual needs when wiring harnesses are conveyed.

This utility model discloses a high-temperature acid gas venturi scrubbing tower for acidification kilns, belonging to the technical field of acidification kiln scrubbing towers, mainly used for scrubbing high-temperature acid gas discharged from acidification kilns. The technical problem to be solved by this utility model is to provide a high-temperature acid gas venturi scrubbing tower for acidification kilns, including a tower body connected to the tail gas pipe and a gas-liquid separation device of the acidification kiln. A throat pipe is provided inside the tower body, and a throat pipe adjusting device is provided at the bottom of the tower body. The throat pipe adjusting device includes a cylinder with one end penetrating through the tower body and extending into the tower body. A mounting platform with a sealed connection to the tower body is provided around the circumference of the cylinder body. A linear transmission mechanism is provided inside the cylinder body, and an adjusting rod is fixedly connected to the movable end of the linear transmission mechanism to drive the adjusting rod to move up and down along the length of the cylinder body. The adjusting rod is provided with an adjusting plug for controlling the size of the throat pipe opening. By driving the adjusting rod through the linear transmission mechanism, the adjusting stroke of the adjusting rod is increased, the adjusting range is expanded, high-temperature acidic dust-laden gas is treated in a timely manner, and the jetting phenomenon at the outlet tail gas hood is reduced.

The present invention relates to an actuator, which comprises: a drive device driving a drive shaft; a first operating element operatively connected to the drive shaft; a spring element, which can be supported on a housing component of the actuator on the one hand and on a second operating element configured to tension the spring element on the other hand, wherein a rotary element is provided which can be driven by the drive shaft and is rotatably supported. According to the present invention, a further operating element is provided for operating a switching device, the further operating element is operatively connected to the first operating element, and a transmission device having a transmission element is provided between the first operating element and the operating element of the switching device.

The utility model provides a pillow connecting structure of a chair, and belongs to the technical field of chairs. The pillow connecting structure solves the problems that an existing pillow connecting structure is high in production difficulty and limited in adjusting stroke. According to the pillow connecting structure of the chair, the chair comprises a chair backrest and a pillow, the left side and the right side of the chair backrest are provided with supporting longitudinal beams arranged in the length direction of the chair backrest, the supporting longitudinal beams are made of iron materials, the pillow connecting structure comprises connecting lugs arranged on the left side and the right side of the pillow respectively, and magnets are arranged on the connecting lugs. The connecting lugs can be bent backwards and attracted to the corresponding supporting longitudinal beams. According to the pillow connecting structure of the chair, stepless adjustment of the position of the pillow can be achieved, only each connecting lug needs to be independently adjusted when the pillow connecting structure is used, and adjustment convenience is improved.

The utility model discloses an inductor floating installation structure which comprises an installation frame, a floating assembly is installed on the inner wall of the installation frame, a limiting assembly is installed on the top wall of the floating assembly, and an inductor body is installed on the inner wall of the floating assembly. According to the inductor floating installation structure, the inductor body and the limiting frame are moved to drive the containing block to be inserted into the inner wall of the containing cylinder, the connecting shaft drives the adjusting lead screw to rotate and the sliding block to move, the sliding block drives the connecting rod to slide along the inner wall of the through groove, and the connecting rod drives the containing cylinder, the containing block, the limiting frame and the inductor body to adjust movement; the square sleeve drives the limiting block to enter the inner wall of the limiting groove, so that the square sleeve enters the inner wall of the containing groove to be limited, a long adjusting stroke is achieved when the inductor is adjusted, the adjusting mode is simple and effective during adjustment, use is convenient, and the problem of plastic deformation can be prevented without using a spring.

The application relates to the technical field of vacuum instrument equipment, in particular to a sample bearing device and a scanning electron microscope. The sample bearing device comprises a sample table with a first axis, a first driving mechanism connected with the sample table, a second driving mechanism used for driving the first driving mechanism to reciprocate in a second direction, a third driving mechanism connected with the second driving mechanism, the third driving mechanism being used for driving the second driving mechanism to rotate, a fourth driving mechanism used for driving the third driving mechanism to reciprocate in a first direction, and a fifth driving mechanism used for driving the fourth driving mechanism to reciprocate in a third direction. The sample bearing device provided by the application can adjust the position of the sample table in five dimensions respectively, thereby adjusting the posture of the sample in the sample bin, each adjusting dimension has a larger adjusting stroke, and higher motion precision can be realized, so that the sample morphology can be reconstructed in three dimensions.

This invention discloses an electric chair for the elderly, comprising a base frame, a seat cushion assembly, a backrest frame, a footrest assembly, and a drive assembly. The seat cushion assembly is located above the base frame. The backrest frame and footrest assembly are respectively located on the rear and front sides of the seat cushion assembly. It also includes an anti-rotation device, which comprises a gear plate, a locking block, and an elastic element. The base frame, from top to bottom, includes a transverse support member, a central column, and a ground support member. The gear plate is fitted around the outer periphery of the central column. The locking block has a notch, and the elastic element is fitted around the upper end of the locking block. The locking block passes through the transverse support member. The seat cushion assembly has a pressing member that presses against the locking block when the chair is in a reclining or sitting position, causing the gear plate to be positioned relative to the locking block at the notch. This structure effectively improves the overall stability and safety of use in the raised state while enabling smooth switching between various postures, and enhances the comfort experience for the elderly when getting up and resting.

The application discloses an electric adjusting tube column motor and an electric adjusting tube column system. The electric adjusting tube column motor comprises a motor shell and a telescopic mechanism, the telescopic mechanism comprises a fixed end, an output end and an intermediate end. The fixed end is fixedly connected with the motor shell. The output end can drive a steering tube column to perform linear motion so as to adjust the length of the steering tube column. The intermediate end can be driven to drive the output end to move. The electric adjusting tube column motor disclosed by the application can adjust the length of the steering tube column in a space-saving manner.

The invention discloses an injection mold upper mold core-pulling needle structure, which comprises an upper code template, the interior of the upper code template comprises two groups of oil cylinders, a core-pulling needle bottom plate, a core-pulling needle fixing plate and a core-pulling needle, the two groups of oil cylinders are arranged on the two sides of the inner side of the upper code template, and the core-pulling needle bottom plate is arranged on the core-pulling needle fixing plate. The output ends of the two groups of oil cylinders are connected with a core-pulling needle bottom plate and a core-pulling needle fixing plate; a plurality of groups of core-pulling needles are mounted in the core-pulling needle fixing plate; through structural adjustment of the upper mold core-pulling needle, the core-pulling needle bottom plate and the core-pulling needle fixing plate are convenient to enable the core-pulling needle to press a product through the oil cylinder, after the product is subjected to plastic coating of an internal rubber part, the oil cylinder is used for driving the core-pulling needle structure to retreat, and filled materials are all sealed in the internal rubber part; therefore, structural arrangement and structural positioning of redundant pore channels in the injection molding process of an existing product are abandoned, the product is isolated from the outside in the using process, and external water is prevented from permeating into the pore channels to affect the using performance of the product.

The present application belongs to the technical field of surface finishing, and particularly relates to a multi-contact-wheel active cooperative regulation and control abrasive belt grinding device for complex curved surface parts, which comprises a support structure and a grinding execution mechanism; the grinding execution mechanism comprises a driving motor, a driving wheel, an abrasive belt, an electric push rod, a force sensor mounting flange, a force sensor a, an intermediate contact wheel frame fixing piece, an intermediate contact wheel frame, a force sensor b, an intermediate contact wheel seat, a contact wheel, a transition wheel, a transition wheel support frame, left and right contact wheel frames, a guide wheel assembly, left and right guide rails, an auxiliary wheel, an auxiliary wheel support, a tensioning wheel and a tensioning wheel support frame. The present application is mainly used for surface finishing of complex curved surface parts, can autonomously change the relative positions of the contact wheel groups according to the changes of the part surface curvature, and the two coaxially arranged force sensors can measure the grinding forces of different contact wheels in real time, so as to ensure the effective fitting of the multi-contact-wheel system and the curved surface, and improve the surface quality and grinding efficiency.

The invention relates to a steering tubular column, a steering tubular column assembly, a steering system and a vehicle, the steering tubular column comprises a tubular column sleeve, a tubular column shell and a friction mechanism, the tubular column sleeve is used for being arranged on the outer side of a tubular column rotating shaft in a sleeving mode, the tubular column shell is arranged on the outer side of the tubular column sleeve in a sleeving mode, and at least part of the friction mechanism is arranged between the tubular column sleeve and the tubular column shell; the friction mechanism comprises a supporting piece and a rolling body, the rolling body is rotatably installed on the supporting piece, the outer surface of the tubular column casing is provided with an abutting face, the friction mechanism abuts against the abutting face through the rolling body, and the peripheral face of the rolling body and the abutting face form a rolling friction pair. The friction force between the rolling body and the tubular column casing pipe which roll mutually is small, abrasion of the tubular column casing pipe and / or the friction mechanism in the using process can be reduced, the situation that a large gap is likely to be generated between the tubular column casing pipe and / or the friction mechanism can be effectively avoided, and therefore the NVH performance of the steering tubular column can be improved, and the service life of the steering tubular column can be prolonged.

The utility model relates to the technical field of lens processing, in particular to an optical lens wobble plate structure which comprises a base, a first material taking assembly and a second material taking assembly which are movably arranged on the base, and a driving piece used for driving the first material taking assembly and the second material taking assembly to be close to each other or away from each other. The first material taking assembly and the second material taking assembly are driven by the driving piece to move relative to the base so that the distance between the first material taking assembly and the second material taking assembly can be adjusted. The lens placing mechanism is compact in structure, small in occupied space, large in adjusting stroke and high in telescopic flexibility, lenses are effectively and accurately conveyed to a specified carrying disc, and the disc placing efficiency is improved.