41results about How to "Sliding limit" patented technology

The invention discloses a medical treatment medicinal material dendrobium officinale picking machine which comprises a fixed machine body. A first rotating chamber is disposed in the fixed machine body, a first rotating shaft rotating in the fixed machine body is disposed in the first rotating chamber, the first rotating shaft is provided with a pull rope rotating wheel provided with a pull rope,a second sliding hole is also formed in the fixed machine body, the two sides of the second sliding hole are provided with a row of first sliding blocks sliding in the fixed machine body respectively,each first sliding block is provided with a rotating second supporting rotating wheel, a row of fixing teeth connected to the fixed machine body is disposed between the rotating second supporting rotating wheels on the two sides, the end of the pull rope is connected with a lifting fence, the lifting fence can be driven to lift through the sliding of the pull rope, the sliding of the pull rope can be supported through the second supporting rotating wheels, the pull rope is locked and fixed through the fixing teeth, and thus the problem of dropping can be prevented.

The invention discloses a device for preventing a cable from sliding. The device comprises a box body, wherein a fixed block is fixedly connected with an internal bottom part of the box body, an adjustment rod is hinged with an outer surface of the fixed block, a top end of the adjustment rod is fixedly connected with a clamping sleeve, an anti-slip cushion is fixedly connected with an inner sideof the clamping sleeve, a first limitation block is arranged at a left side of the adjustment rod, and a right side of the first limitation block is fixedly connected with a buffer spring. By arranging the adjustment rod, a first pull rod and a second pull rod, the adjustment rod is extruded downwards and driven to deflect leftwards when the cable slides, a first support rod is pulled to upwards extrude the cable along a first fixed rod by the first pull rod, the second pull rod is pulled to downwards extrude the cable by the second pull rod when the first pull rod leftwards inclines, the cable is jointly clamped by the second support rod and the first support rod and is limited to slide, and the reciprocating motion of the first pull rod is helped to be supported and buffered by verticaladjustment of an adjustment spring and a buffer rod and inclination of a support plate.

The invention provides a double-hoisting-point fixed winch. The double-hoisting-point fixed winch comprises a rack, a driving mechanism and winding mechanisms; the driving mechanism, the winding mechanisms, braking mechanisms and a mounting mechanism are installed on the rack separately; and the driving mechanism is in transmission connection with the winding mechanisms and used for driving the winding mechanisms so that the winding mechanisms can rotate around their central axes for winding and/or releasing traction ropes. The double-hoisting-point fixed winch further comprises the braking mechanisms and the mounting mechanism; and each braking mechanism comprises a first brake disc and a second brake disc, wherein the side, close to the second brake disc, of the first brake disc is provided with a convex block, and one side of the second brake disc is fixedly connected with one end of the corresponding winding mechanism. According to the double-hoisting-point fixed winch, the first brake disc is provided with the convex block, the second brake disc is provided with an annular groove, when the surfaces of the first brake disc and the second brake disc are attached, the convex block and the annular groove are also attached, the friction contact area of the first brake disc and the second brake disc is increased, and the braking effect is improved.

The invention relates to the technical field of aviation airborne equipment, and discloses an anti-static searchlighting device for aviation airborne equipment maintenance. The anti-static searchlighting device comprises two glasses frames, and the two glasses frames are fixedly connected through a spring seat; connecting plates are fixedly mounted on the opposite sides of the two glasses frames;a nose bridge plate positioned at the bottom of the spring seat is fixedly mounted between the two connecting plates; connecting rods are fixedly mounted in the two glasses frames, inner frames are fixedly mounted at the ends, away from the glasses frames, of the connecting rods, lenses are fixedly mounted in the two inner frames, and dustproof cloth fixedly connected with the connecting rods is fixedly mounted in the two glasses frames. The anti-static searchlighting device for aviation airborne equipment maintenance has the advantages of being wearable and the like, and the problems that inthe actual airborne equipment maintenance process, a machine shell is directly opened for maintenance, the device needs to be held by hand, great trouble is caused, and hand operation of workers is hindered are solved.

The invention discloses a cable-direction-following ROV winch applied to a non-power-locating mother ship. The cable-direction-following ROV winch comprises the non-power-locating mother ship, an A-shaped frame, a winch cable-winding-unwinding idler wheel and an underwater robot, wherein the A-shaped frame, the winch cable-winding-unwinding idler wheel and the underwater robot are arranged on thenon-power-locating mother ship. A pulley is rotationally connected onto the A-shaped frame, an umbilical cable is connected to the underwater robot and wound around the pulley to be connected with thewinch cable-winding-unwinding idler wheel, and a positioning piece for guiding the umbilical cable is further arranged on the non-power-locating mother ship; a connecting rod is arranged on the A-shaped frame; the pulley comprises a sliding part and a rotating part, the sliding part is annular, is arranged on the connecting rod and slides in the direction of the connecting rod, and a strip-shapedgroove is formed in the connecting rod; protruding blocks protrude on the sliding part, and the rotating part is rotationally connected at the outer ring of the sliding part. According to the cable-direction-following ROV winch, as the pulley is designed to freely slide on the A-shaped frame, the risks that as the ship rotates, the working efficiency of the underwater robot is affected, and meanwhile as the umbilical cable is broken, the underwater robot is lost can be lowered.

The invention provides a urinal structure of a hospital public washroom. The urinal structure comprises an urine receiving drum, a water spraying frame, spraying nozzles and a shaft sleeve, wherein the rotary rack is integrally designed as a u-shaped structure; an inserting ring and a shaft sleeve are welded at the ends of a left bent supporting rod and a right bent supporting rod, and a pulling handle is welded and supported at the top end of a transverse supporting rod; a round urine outlet is formed in a base plate of a square urine groove at the bottom of a urinal main body in an insertingmode; a urine collecting funnel is arranged at the bottom of the round urine outlet in a communicating mode, and a filter screen rack is additionally inserted and supported in the round urine outlet;a drainage pipe is hung on the urine collecting funnel at the bottom of the square urine groove in a communicating mode; and the drainage pipe is arranged in a posture of vertically supporting downwards. The water spraying rack is arranged, and by virtue of the plurality of spraying nozzles which are locked on the water spraying rack by virtue of screw threads, the rotary frame and the urine receiving drum can be sprayed and cleaned, so that remaining urine on the rotary frame and in the urine receiving drum can be flushed away, and influence to the accuracy of urine detection in the case that the remaining urine is mixed with a newly taken urine sample can be avoided.

The invention discloses an operation platform in an elevator shaft, and relates to the field of elevator construction devices.The operation platform comprises a platform body and a supporting frame used for supporting the platform body, the platform body comprises a mounting base mounted on the supporting frame and a supporting plate arranged on the upper end face of the mounting base, and at least one cleaning hole is formed in the upper end face of the supporting plate; a mounting groove is formed in the upper end face of the mounting base, mounting columns used for sealing the cleaning holes are arranged on the bottom wall of the mounting groove, the number of the mounting columns is the same as that of the cleaning holes, lifting pieces used for driving the supporting plate to ascend and descend are arranged on the bottom wall of the mounting groove, and a collecting piece used for collecting sundries is arranged on the upper end face of the supporting plate. When the sundries are cleaned, the sundries on the supporting plate are collected through the material collecting piece, then the supporting plate is lifted through the lifting piece, so that the mounting column is separated from the cleaning hole, the sundries are pushed into the cleaning hole, and the sundries fall into the mounting groove through the cleaning hole, the supporting plate is kept clean and tidy, and the personal safety of constructors during construction on the supporting plate is ensured.

The invention relates to a movable and telescopic electrical equipment support. A telescopic mechanism is arranged to be connected with electrical equipment and a horizontal movement mechanism, and a fixed rod moves or is located and stopped in a horizontal sliding rail along with walking wheels. The height position of the electrical equipment is adjusted by adjusting the distance of any grade of telescopic rod behind the fixed rod inserted into a previous rod. Fan-shaped fixing pins are inserted into fan-shaped pin holes aligned in the radial direction to achieve connection between every two adjacent rods, and loosening and falling of the fan-shaped fixing pins are dually limited by hasps and locking sleeves. The telescopic length range of locking sleeve telescopic joints can cover the exposed fan-shaped pin holes and fixing pins on all grades of connected rods and hide two stations. All grades of rods of the support are also used as cable penetrating pipes of electrical equipment inlet and outlet cables, and a cable winding frame is arranged on the sliding rail to achieve the cable supporting function and the cable take-up, pay-off and telescopic functions. The height position and plane position can be adjusted through longitudinal stretching out and drawing back and horizontal movement, and the support is especially suitable for mounting of the electrical equipment with narrow space or with operation positions needing to be frequently changed.

The invention provides a plug locking mechanism of a transfer box. The plug locking mechanism comprises a push rod, a sleeve and a locking sleeve, wherein the locking sleeve comprises a conical sleevepart, a shaft sleeve part and a limiting part which are sequentially connected from left to right; the shaft sleeve part is arranged between the periphery of the push rod and the inner wall of the sleeve in a sliding manner; the conical sleeve part is located on the side, close to a plug, of the shaft sleeve part, at least one expansion joint is formed in the periphery of the conical sleeve part,an outer conical surface is arranged on the periphery of the conical sleeve part, and an inner conical hole is formed in the side, facing the plug, of the sleeve; and the limiting part is positionedon the side, away from the plug, of the sleeve. The locking sleeve is arranged between the sleeve and the push rod, the outer conical surface of the locking sleeve tightly abuts against the inner conical hole of the sleeve by drawing the locking sleeve, the expansion joint is arranged on the conical sleeve part, and the inner conical hole extrudes the conical sleeve part to be folded inwards to hold the push rod when the limiting part is drawn, so that left-right sliding of the push rod is limited; and then, the plugs locked and positioned, so that the distance between the plugs on the two sides is conveniently and accurately adjusted.

The invention discloses a fabricated concrete decorative hanging plate switching structure which comprises a concrete main body wall and a decorative hanging plate, a plurality of embedded connecting pieces are embedded in the concrete main body wall in a pouring mode, and switching structural pieces connected with the embedded connecting pieces are embedded in the decorative hanging plate in a pouring mode, the decorative hanging plate can be directly decorated and fixed on the concrete main body wall without using a light steel keel by arranging the switching structural part, the switching structural part comprises the connecting sleeve connected with the connecting rod on the concrete main body wall, and the decorative hanging plate can be directly fixed through the matching of the connecting sleeve and the connecting rod by pressing the decorative hanging plate; and through the extension sleeve arranged in the switching structural part and the abutting rods arranged in the extension sleeve in a sliding mode, after the decorative hanging plate is fixed to the concrete main body wall, the abutting rods on the peripheral side of the connecting sleeve abut against the concrete main body wall, so that the peripheral side of the decorative hanging plate is supported in a multi-point mode, and the stability of the decorative hanging plate fixed to the main body wall is guaranteed.

The invention relates to a silk cotton drawing device. The device comprises a base and a driving motor, and lifting parts at the two sides of the base are oppositely arranged; each lifting part comprises a threaded rod, a sliding groove and lifting rings, the top end of each threaded rod is fixedly connected with the top end of the corresponding sliding groove, the lifting ring, located at the uppermost end, in the multiple lifting rings is provided with internal threads, and the top of each threaded rod is provided with a smooth section; an upper hooking part is arranged on the lifting ring at the upper part, an upper tightness transmission device of the upper hooking part comprises a first gear, a second gear and an upper tightness wheel, a transmission belt is arranged among the first gear, the second gear and the upper tightness wheel, the first gear is meshed with the corresponding threaded rod, and the second gear is meshed with an upper gripper; a lower hooking part is arrangedon the lifting ring at the lower portion, a lower tightness wheel transmission device of the lower hooking part comprises a third gear, a fourth gear and a lower tightness wheel, a transmission belt is arranged among the third gear, the fourth gear and the lower tightness wheel, the third gear is meshed with the corresponding threaded rod, and the fourth gear is meshed with a conversion gear meshed with a lower gripper; and the upper tightness wheel and the lower tightness wheel are both provided with reset springs, and a transmission rope is arranged between the upper tightness wheel and thelower tightness wheel.