Angle-adjustable personnel carrier with curved arms

Abstract

Angle-adjustable personnel carrier with curved arms, characterized in that it comprises a base (1) on which a rotating seat (2) is arranged, wherein a first lifting arm (3) is arranged on the rotating seat (2), and wherein one end of the first lifting arm (3) is pivotally connected to the rotating seat (2), and wherein a second lifting arm (4) is pivotally connected to the other end, and wherein one end of the second lifting arm (4) is pivotally connected to the first lifting arm (3), and wherein a third lifting arm (5) is pivotally connected to the other end, and wherein one end of the third lifting arm (5) is pivotally connected to the second lifting arm (4), and wherein a cable distributor hanger (15) is fixedly arranged at the other end;and wherein a cable winch system (7) is arranged on the rotating seat (2), in which a traction cable (9) is arranged, and wherein the traction cable (9) enters a cable distribution hanger (15) along the first lifting arm (3), the second lifting arm (4) and the third lifting arm (5) and is then divided into bundles, and wherein a basket (6) is suspended from the divided traction cable (9);

Description

TECHNICAL FIELDThe present invention relates to the technical field of passing flow channels of a hydroelectric power plant, in particular to an angle-adjustable passenger carrier with curved arms.PRIOR ARTThe operation process of passing flow channels of the hydroelectric power plants must be performed by lifting the basket by a hoist, and the existing traction and lifting devices typically use a multi-arm suspension device, and the lifting arms use a hydraulic cylinder to realize angle and length adjustment. Due to the high operating requirements of the hydraulic cylinder, the hydraulic cylinder cannot be operated normally in the event of damage to the hydraulic cylinder or failure of the electrical equipment, and the operation and maintenance of the hydraulic cylinder are cumbersome, resulting in a significant reduction in the efficiency of the lifting and passing works.CONTENT OF THE PRESENT INVENTIONA technical problem provided by the present invention is to provide an angle adjustable passenger carrier with curved arms which adjusts the angle between the lifting arms by means of a multi-part traction cable to effectively solve the problems of difficult maintenance and high operating requirements of the hydraulic cylinder.In order to solve the above technical problems, the technical solution of the present invention is: an angle adjustable passenger carrier with curved arms, comprising a base on which a rotating seat is arranged, wherein a first lifting arm is arranged on the rotating seat, and wherein one end of the first lifting arm is hingedly connected to the rotating seat, and wherein a second lifting arm is hingedly connected to the other end, and wherein one end of the second lifting arm is hingedly connected to the first lifting arm, and wherein a third lifting arm is hingedly connected to the other end, and wherein one end of the third lifting arm is hingedly connected to the second lifting arm, and wherein a cable distribution hanger is fixedly arranged on the other end; and wherein a winch system is arranged on the rotating seat, in which a traction cable is arranged, and wherein the traction cable enters a cable distribution hanger along the first lifting arm, the second lifting arm and the third lifting arm and is then divided into bundles, and wherein a basket is suspended on the divided traction cable.In the preferred solution, a counterweight is furthermore arranged on the rotating seat.In the preferred solution, the pull cable comprises a second lifting arm adjusting cable, a third lifting arm adjusting cable, and a basket lifting cable; wherein the second lifting arm adjusting cable is discharged from the winch system and, after winding around a first cable guide roller provided at one end of the second lifting arm, is connected and fixed to a first hinge shaft connecting the first lifting arm and the second lifting arm; and wherein the third lifting arm adjusting cable is discharged from the winch system and, after winding around a second cable guide roller provided at one end of the third lifting arm, is connected and fixed to a second hinge shaft connecting the second lifting arm and the third lifting arm.In the preferred solution, the basket lifting rope is passed through the rope distributor hanger; wherein the rope distributor hanger comprises inside two rope inlet rollers close to each other and two rope distributor rollers arranged on two sides of the rope distributor hanger, and wherein the basket lifting rope is passed between the two rope inlet rollers and then divided into bundles, and wherein after the dividing two strands of the basket lifting rope are wound around the two rope distributor rollers respectively and then connected to the two sides of the basket.In the preferred solution, a hydraulic cylinder of the first lifting arm is arranged on the rotating seat for adjusting the first lifting arm, wherein the cylinder body of the hydraulic cylinder of the first lifting arm is articulated to the rotating seat, and wherein the ram of the hydraulic cylinder of the first lifting arm is fixedly connected to the first lifting arm.In the preferred solution, the cable winch system comprises a first cable drum, a second cable drum and a third cable drum, wherein the first cable drum, the second cable drum and the third cable drum are arranged side by side on the rotating seat, and wherein an end of the central shaft of the first cable drum, the second cable drum and the third cable drum is led through to the outside of the rotating seat, and wherein a driven gear wheel is arranged at the end portion of the central shaft of the first cable drum, the second cable drum and the third cable drum, respectively; and wherein two arcuate grooves are provided on the side wall of the rotating seat above the driven gear, and wherein a sliding seat with the drive gear is disposed in the arcuate groove, and wherein the drive gear forms an engagement fit with the driven gear on the central shaft of the first cable drum, the second cable drum and the third cable drum at three lowest points formed by the two arcuate grooves.In the preferred solution, an electric motor is arranged on the top side of the rotating seat, wherein the drive shaft of the electric motor forms a transmission fit through a timing belt with a shaft on which the drive gear is located.In the preferred solution, a horizontal sliding slot is furthermore provided on the rotating seat, in which slot a sliding block is arranged, wherein a tensioning lever is arranged on the sliding block, which tensioning lever is located in an annular closed region of the timing belt.In the preferred solution, the sliding block can be fastened to two ends of the sliding slot.The present invention provides an angle adjustable passenger carrier with curved arms, which has the following advantageous effects using the above structure: (1) by replacing the existing hydraulic cylinder adjusting method with a traction rope, the situation in which the apparatus cannot be operated due to an electrical fault or hydraulic cylinder damage is effectively avoided; (2) the damage of the traction rope can be directly performed in the rope drum on the rotating seat, and using a plurality of rope drums, the replacement and maintenance work of the traction rope can be performed in the state of turning off a single rope drum without the need to turn off the entire equipment; (3) the use of a plurality of rope drums for the purpose of adjusting different traction ropes simplifies the construction of the driving equipment.BRIEF DESCRIPTION OF THE DRAWINGSIn conjunction with the appended drawings and exemplary embodiments, the present utility model is explained in more detail below: FIG. 1 is a schematic diagram showing the structure of the present invention; FIG. 2 is a schematic diagram showing the structure of a winch system of the present invention; FIG. 3 is a schematic diagram showing the structure of a transmission system of the present invention when driving a first cable drum; FIG. 4 is a schematic diagram showing the structure of a transmission system of the present invention when driving a second cable drum; FIG. 5 is a schematic diagram showing the structure of a transmission system of the present invention when driving a third cable drum.List of reference characters1 Base 2 Rotating seat 3 First lifting arm 4 Second lifting arm 5 Third lifting arm 6 Basket 7 Winch system 701 First cable drum 702 Second cable drum 703 Third cable drum 8 Counterweight 9 Rope 901 Second lifting arm adjusting cable 902 Third lifting arm adjusting cable 903 Basket lifting cable 10 First lifting arm hydraulic cylinder 11 First propeller shaft 12 First cable guide roller 13 Second propeller shaft 14 Second cable guide roller 15 Cable spreader hanger 151 Cable feed roller 152 Cable spreader roller 16 Driven gear 17 Arc-shaped groove 18 Drive gear 19 Electric motor 191 Timing belt 20 Slide slot 21 Slide block 22 Tension leverDETAILED DESCRIPTIONEmbodiment 1As shown in Figs. 1 to 2, an angle adjustable passenger carrier with curved arms comprising a base 1 on which a rotating seat 2 is arranged, on which rotating seat 2 a first lifting arm 3 is arranged, and wherein one end of the first lifting arm 3 is articulated to the rotating seat 2, and wherein a second lifting arm 4 is articulated to the other end, and wherein one end of the second lifting arm 4 is articulated to the first lifting arm 3, and wherein a third lifting arm 5 is articulated to the other end, and wherein one end of the third lifting arm 5 is articulated to the second lifting arm 4, and wherein a cable distributor hanger 15 is fixedly arranged at the other end; and wherein a cable winch system 7 is arranged on the rotating seat 2, in which cable 9 is arranged, and wherein the cable 9 enters a cable distributor hanger 15 along the first lifting arm 3, the second lifting arm 4 and the third lifting arm 5 and is then divided into bundles, and wherein a basket 6 is suspended on the divided cable 9.In a preferred embodiment, a counterweight 8 is furthermore arranged on the rotating seat 2.In a preferred embodiment, the pull rope 9 includes a second hoisting arm adjusting rope 901, a third hoisting arm adjusting rope 902, and a basket hoisting rope 903; wherein the second hoisting arm adjusting rope 901 is discharged from the rope winch system 7 and, after being wound around a first rope guide pulley 12 provided at an end of the second hoisting arm 4, is connected and fixed to a first hinge shaft 11 connecting the first hoisting arm 3 and the second hoisting arm 4; and wherein the third hoisting arm adjusting rope 902 is discharged from the rope winch system 7 and, after being wound around a second rope guide pulley 14 provided at an end of the third hoisting arm 5, is connected and fixed to a second hinge shaft 13 connecting the second hoisting arm 4 and the third hoisting arm 5.In a preferred embodiment, the basket hoist rope 903 is passed through the rope spreader hanger 15; wherein the rope spreader hanger 15 comprises inside two rope feed rollers 151 close to each other and two rope spreader rollers 152 arranged on two sides of the rope spreader hanger 15, and wherein the basket hoist rope 903 is passed between the two rope feed rollers 151 and then divided into bundles, and wherein after the dividing, two strands of the basket hoist rope 903 are wound around the two rope spreader rollers 152, respectively, and then connected to the two sides of the basket 6.In a preferred embodiment, a hydraulic cylinder of the first lifting arm 10 for adjusting the first lifting arm 3 is arranged on the rotating seat 2, wherein the cylinder body of the hydraulic cylinder of the first lifting arm 10 is articulated to the rotating seat 2, and wherein the ram of the hydraulic cylinder of the first lifting arm 10 is fixedly connected to the first lifting arm 3.In a preferred embodiment, the cable winch system 7 comprises a first cable drum 701, a second cable drum 702 and a third cable drum 703, wherein the first cable drum 701, the second cable drum 702 and the third cable drum 703 are arranged next to each other on the rotating seat 2, and wherein one end of the central shaft of the first cable drum 701, the second cable drum 702 and the third cable drum 703 is led through to the outside of the rotating seat 2, and wherein a driven gear wheel 16 is arranged at the end portion of the central shaft of the first cable drum 701, the second cable drum 702 and the third cable drum 703, respectively; and wherein two arcuate grooves 17 are provided on the side wall of the rotating seat 2 above the driven gear 16, and a sliding fit with the drive gear 18 is disposed in the arcuate groove 17, and the drive gear 18 forms an engagement fit with the driven gear 16 on the center shaft of the first cable drum 701, the second cable drum 702, and the third cable drum 703 at three lowest points formed by the two arcuate grooves 17, respectively.In a preferred embodiment, an electric motor 19 is arranged on the top side of the rotating seat 2, wherein the drive shaft of the electric motor 19 forms a transmission fit through a timing belt 19 with a shaft on which the drive gear 18 is located.In a preferred embodiment, a horizontal sliding slot 20 is also provided on the rotating seat 2, in which slot a sliding block 21 is arranged, wherein a tensioning lever 22 is arranged on the sliding block 21, which tensioning lever is located in an annular closed region of the timing belt 191.In a preferred embodiment, the slide block 21 may be attached to two ends of the slide slot 20.An angle-adjustable people carrier with curved arms disclosed by the utility model employs the above structure, and when performing an overtaking work on the flow channel, the apparatus is parked at the operating position, and by the hydraulic cylinder of the first lifting arm 10, the degree of deployment of the first lifting arm 3 is adjusted, thereafter the driving gear 18 is adjusted from the sliding seat to the corresponding driven gear 16, and the electric motor 19 is started, so that the corresponding cable drum can realize retraction or release of the cable, and in the process, the adjustment of the second lifting arm 4 and the third lifting arm 5 can be realized, further, an adjustment operation for raising and lowering the basket 6 can be realized.If the traction cable is damaged, it can be repaired directly at the corresponding position of the cable drum without the device having to be switched off, which can ensure the smooth running of the passing of the flow duct to a great extent.

Claims

An angle adjustable passenger carrier with curved arms, characterized in that it comprises a base (1) on which a rotating seat (2) is arranged, wherein a first lifting arm (3) is arranged on the rotating seat (2), and wherein one end of the first lifting arm (3) is articulated to the rotating seat (2), and wherein a second lifting arm (4) is articulated to the other end, and wherein one end of the second lifting arm (4) is articulated to the first lifting arm (3), and wherein a third lifting arm (5) is articulated to the other end, and wherein one end of the third lifting arm (5) is articulated to the second lifting arm (4), and wherein a cable distributor hanger (15) is fixedly arranged at the other end; and wherein a cable winch system (7) is arranged on the rotating seat (2), in which system a traction cable (9) is arranged, and wherein the traction cable (9) enters a cable distributor hanger (15) along the first lifting arm (3), the second lifting arm (4) and the third lifting arm (5) and is then divided into bundles, and wherein a basket (6) is suspended on the divided traction cable (9).Angle-adjustable passenger carrier with curved arms according to claim 1, characterised in that a counterweight (8) is furthermore arranged on the rotating seat (2).The angle adjustable passenger carrier with curved arms according to claim 1, characterized in that the pull cable (9) comprises a second lifting arm adjusting cable (901), a third lifting arm adjusting cable (902), and a carrier lifting cable (903); wherein the second lifting arm adjusting cable (901) is discharged from the winch system (7) and, after being wound around a first cable guide pulley (12) provided at an end of the second lifting arm (4), is connected and fixed to a first hinge shaft (11) connecting the first lifting arm (3) and the second lifting arm (4); and wherein the adjusting rope of the third lifting arm (902) is discharged from the winch system (7) and, after being wound around a second rope guide pulley (14) provided at an end of the third lifting arm (5), is connected and fixed to a second hinge shaft (13) connecting the second lifting arm (4) and the third lifting arm (5).The angle adjustable passenger carrier with curved arms according to claim 3, characterized in that the carrier lifting rope (903) is passed through the cable spreader hanger (15); wherein the cable spreader hanger (15) comprises inside two cable entry rollers (15) close to each other and two cable spreader rollers (152) arranged on two sides of the cable spreader hanger (15), and wherein the carrier lifting rope (903) is passed between the two cable entry rollers (151) and then divided into bundles, and wherein after the dividing, two strands of the carrier lifting rope (903) are wound around the two cable spreader rollers (152) respectively and then connected to the two sides of the carrier (6).Angle-adjustable passenger carrier with curved arms according to claim 1, characterised in that a hydraulic cylinder of the first lifting arm (10) for adjusting the first lifting arm (3) is arranged on the rotating seat (2), wherein the cylinder body of the hydraulic cylinder of the first lifting arm (10) is articulated to the rotating seat (2), and wherein the ram of the hydraulic cylinder of the first lifting arm (10) is fixedly connected to the first lifting arm (3).The angle adjustable passenger carrier with curved arms according to claim 1, characterized in that the winch system (7) comprises a first cable drum (701), a second cable drum (702) and a third cable drum (703), wherein the first cable drum (701), the second cable drum (702) and the third cable drum (703) are arranged side by side on the rotating seat (2), and wherein one end of the center shaft of the first cable drum (701), the second cable drum (702) and the third cable drum (703) is passed to the outside of the rotating seat (2), and wherein at the end portion of the center shaft of the first cable drum (701), the second cable drum (702) and the third cable drum (703), a driven gear (16) is arranged respectively; and wherein two arcuate grooves (17) are provided on the side wall of the rotating seat (2) above the driven gear (16), and wherein a sliding fit with the drive gear (18) is arranged in the arcuate groove (17), and wherein the drive gear (18) forms an engagement fit with the driven gear (16) on the central shaft of the first cable drum (701), the second cable drum (702) and the third cable drum (703) at three lowest points formed by the two arcuate grooves (17).An angle adjustable passenger carrier with curved arms according to claim 6, characterized in that an electric motor (19) is arranged on the top side of the rotating seat (2), wherein the drive shaft of the electric motor (19) forms a transmission fit through a timing belt (19) with a shaft on which the drive gear (18) is located.Angle-adjustable passenger carrier with curved arms according to claim 7, characterised in that a horizontal sliding slot (20) is further provided on the rotating seat (2), in which a sliding block (21) is arranged, wherein a tensioning lever (22) is arranged on the sliding block (21), which tensioning lever is located in an annular closed region of the timing belt (191).Angle adjustable passenger carrier with curved arms according to claim 8, characterized in that the sliding block (21) can be fastened to two ends of the sliding slot (20).

Images