Angle-adjustable crank arm manned hanging basket

Abstract

The utility model relates to an angle-adjustable crank arm manned hanging basket which comprises a base, a rotating seat is arranged on the base, a first hanging arm is arranged on the rotating seat, one end of the first hanging arm is hinged to the rotating seat, a second hanging arm is hinged to the other end of the first hanging arm, one end of the second hanging arm is hinged to the first hanging arm, and a third hanging arm is hinged to the other end of the second hanging arm. One end of the third lifting arm is hinged with the second lifting arm, and the other end is fixedly provided with a rope-dividing lifting frame. An existing oil cylinder adjusting mode is replaced by the pulling rope, and the situation that equipment cannot operate due to electrical faults or oil cylinder damage is effectively avoided; and a plurality of rope drums are adopted for adjusting different traction ropes, so that the structure of the driving equipment is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of flow channel maintenance construction in a hydropower station, in particular to a curved arm manned hanging basket with adjustable angles. Background Art

[0002] During the maintenance of the flow channel of a hydropower station, it is necessary to use ground equipment to lift the hanging basket. The existing traction and lifting equipment generally adopts multi-arm suspension equipment, and the angle and length adjustment between the arms are achieved through cylinders. Due to the high operating requirements of the cylinder, when the cylinder is damaged or the electrical equipment fails, the cylinder cannot operate normally, and the operation and maintenance of the cylinder is relatively troublesome, which will greatly reduce the efficiency of the lifting and maintenance operation. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a curved arm manned hanging basket with adjustable angle, which realizes the purpose of angle adjustment between the hanging arms by using multiple sections of traction ropes, and effectively solves the problems of difficult maintenance and high operation requirements of the oil cylinder.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: an angle-adjustable curved arm manned hanging basket, comprising a base, a rotating seat is provided on the base, a first hanging arm is provided on the rotating seat, one end of the first hanging arm is hinged to the rotating seat, and the other end is hinged to the second hanging arm, one end of the second hanging arm is hinged to the first hanging arm, and the other end is hinged to the third hanging arm, one end of the third hanging arm is hinged to the second hanging arm, and the other end is fixed with a split rope hanger;

[0005] The rotating seat is provided with a hoisting system, in which a traction rope is provided. The traction rope is bundled after entering the rope-dividing hanger along the first boom, the second boom and the third boom, and a hanging basket is hung on the bundled traction rope.

[0006] In a preferred solution, a counterweight block is also provided on the rotating seat.

[0007] In a preferred solution, the traction rope includes a second boom adjustment rope, a third boom adjustment rope and a hanging basket rope;

[0008] The second boom adjustment rope is output from the hoisting system, passes through a first guide rope wheel provided at one end of the second boom, and is connected and fixed to a first hinge shaft connecting the first boom and the second boom;

[0009] The third boom adjustment rope is output by the hoisting system, passes through a second guide rope wheel arranged at one end of the third boom, and is connected and fixed between the second hinge shaft connecting the second boom and the third boom.

[0010] In a preferred solution, the hanging rope of the hanging basket is arranged through the split rope hanger;

[0011] The rope splitting hanger comprises two rope feed wheels arranged close to each other and two rope splitting wheels arranged on both sides of the rope splitting hanger. The hanging rope of the hanging basket passes through the two rope feed wheels and then is split. The two strands of hanging rope of the hanging basket after being split respectively pass around the two rope splitting wheels and then are connected to both sides of the hanging basket.

[0012] In a preferred solution, a first boom cylinder for adjusting the first boom is provided on the rotating seat, a cylinder body of the first boom cylinder is hinged on the rotating seat, and a push rod of the first boom cylinder is fixedly connected to the first boom.

[0013] In a preferred embodiment, the hoisting system comprises a first rope drum, a second rope drum and a third rope drum, which are arranged side by side on a rotating seat, one end of the central axis of the first rope drum, the second rope drum and the third rope drum passes through the outside of the rotating seat, and a driven gear is provided on the end of the central axis of the first rope drum, the second rope drum and the third rope drum;

[0014] Two arc grooves are provided on the side wall of the rotating seat above the driven gear, and a sliding seat with a driving gear is provided in the arc groove. The driving gear is meshed with the driven gears on the central axes of the first rope drum, the second rope drum and the third rope drum at the three lowest points formed by the two arc grooves.

[0015] In a preferred solution, a motor is provided on the top of the rotating seat, and a driving shaft of the motor forms a transmission fit with the shaft where the driving gear is located through a synchronous belt.

[0016] In a preferred solution, the rotating seat is further provided with a horizontal slide groove, a slider is provided in the slide groove, a tensioning rod is provided on the slider, and the tensioning rod is located in the annular closed area of ​​the synchronous belt.

[0017] In a preferred solution, the sliding block can be fixed at both ends of the sliding groove.

[0018] The utility model provides an angle-adjustable curved arm manned hanging basket, which has the following beneficial effects by adopting the above structure:

[0019] (1) The existing oil cylinder adjustment method is replaced by a traction rope, which effectively avoids the situation where the equipment cannot operate due to electrical failure or oil cylinder damage;

[0020] (2) The damage of the traction rope can be directly checked on the rope drum on the rotating seat. The use of multiple rope drums can realize the replacement and maintenance of the traction rope when a single rope drum is shut down, without the need to shut down the entire equipment;

[0021] (3) Multiple rope drums are used to adjust different traction ropes, simplifying the structure of the driving equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 It is a schematic diagram of the structure of the hoisting system of the utility model.

[0025] Figure 3-5 It is a schematic diagram of the transmission system structure in different states of the utility model.

[0026] In the figure: base 1, rotating base 2, first boom 3, second boom 4, third boom 5, hanging basket 6, winch system 7, first rope drum 701, second rope drum 702, third rope drum 703, counterweight 8, traction rope 9, second boom adjustment rope 901, third boom adjustment rope 902, hanging basket rope 903, first boom cylinder 10, first hinge shaft 11, first guide rope wheel 12, second hinge shaft 13, second guide rope wheel 14, split rope hanger 15, feed rope wheel 151, split rope wheel 152, driven gear 16, arc groove 17, driving gear 18, motor 19, synchronous belt 191, slide groove 20, slider 21, tensioning rod 22. DETAILED DESCRIPTION

[0027] Embodiment 1:

[0028] like Figure 1-2 A curved arm manned hanging basket with adjustable angle comprises a base 1, a rotating base 2 is provided on the base 1, a first hanging arm 3 is provided on the rotating base 2, one end of the first hanging arm 3 is hinged to the rotating base 2, and the other end is hinged to a second hanging arm 4, one end of the second hanging arm 4 is hinged to the first hanging arm 3, and the other end is hinged to a third hanging arm 5, one end of the third hanging arm 5 is hinged to the second hanging arm 4, and the other end is fixedly provided with a split rope hanger 15;

[0029] The rotating seat 2 is provided with a hoisting system 7, in which a traction rope 9 is provided. The traction rope 9 is split along the first boom 3, the second boom 4 and the third boom 5 and enters the rope splitting hanger 15. A hanging basket 6 is hung on the split traction rope 9.

[0030] In a preferred solution, a counterweight block 8 is also provided on the rotating seat 2 .

[0031] In a preferred embodiment, the traction rope 9 includes a second boom adjustment rope 901, a third boom adjustment rope 902 and a hanging basket rope 903;

[0032] The second boom adjustment rope 901 is outputted by the hoisting system 7, passes through the first guide rope wheel 12 provided at one end of the second boom 4, and is connected and fixed to the first hinge shaft 11 connecting the first boom 3 and the second boom 4;

[0033] The third boom adjustment rope 902 is output by the winch system 7, passes through the second guide rope wheel 14 provided at one end of the third boom 5, and is connected and fixed to the second hinge shaft 13 connecting the second boom 4 and the third boom 5.

[0034] In the preferred solution, the hanging basket rope 903 is arranged through the split rope hanger 15;

[0035] The rope splitting hanger 15 includes two rope feed wheels 151 arranged closely together and two rope splitting wheels 152 arranged on both sides of the rope splitting hanger 15. The hanging rope 903 of the hanging basket passes through the two rope feed wheels 151 and then is split. The two strands of the hanging rope 903 after being split are respectively passed around the two rope splitting wheels 152 and then connected to both sides of the hanging basket 6.

[0036] In a preferred solution, a first boom cylinder 10 for adjusting the first boom 3 is provided on the rotating seat 2 , the cylinder body of the first boom cylinder 10 is hinged on the rotating seat 2 , and the push rod of the first boom cylinder 10 is fixedly connected to the first boom 3 .

[0037] In a preferred embodiment, the hoisting system 7 comprises a first rope drum 701, a second rope drum 702 and a third rope drum 703, which are arranged in parallel on the rotating seat 2, and one end of the central axis of the first rope drum 701, the second rope drum 702 and the third rope drum 703 passes through the outside of the rotating seat 2, and a driven gear 16 is provided at the end of the central axis of the first rope drum 701, the second rope drum 702 and the third rope drum 703;

[0038] Two arc grooves 17 are provided on the side wall of the rotating seat 2 above the driven gear 16, and a slide seat with a driving gear 18 is provided in the arc groove 17. The driving gear 18 is meshed with the driven gear 16 on the central axis of the first rope drum 701, the second rope drum 702 and the third rope drum 703 at the three lowest points formed by the two arc grooves 17.

[0039] In a preferred solution, a motor 19 is disposed on the top of the rotating seat 2, and a driving shaft of the motor 19 forms a transmission fit with the shaft where the driving gear 18 is located through a synchronous belt 191.

[0040] In a preferred solution, the rotating seat 2 is further provided with a horizontal slide groove 20 , a slider 21 is provided in the slide groove 20 , a tensioning rod 22 is provided on the slider 21 , and the tensioning rod 22 is located in the annular closed area of ​​the synchronous belt 191 .

[0041] In a preferred solution, the slider 21 can be fixed at both ends of the slide groove 20 .

[0042] The present invention discloses a manned hanging basket with an adjustable angle, which adopts the above structure. When the flow channel is inspected:

[0043] Stop the equipment at the working position, adjust the expansion degree of the first boom 3 by the first boom cylinder 10, then adjust the driving gear 18 to sit on the slide to the corresponding driven gear 16, start the motor 19, and make the corresponding rope drum realize the rope collection or rope release operation. In this process, the adjustment purpose of the second boom 4 and the third boom 5 can be achieved, and the lifting and lowering adjustment operation of the hanging basket 6 can also be achieved.

[0044] When the traction rope is damaged, it can be directly inspected and maintained at the corresponding rope drum position without shutting down the equipment, which can greatly ensure the smooth progress of the flow channel inspection and maintenance work.

Claims

1. An angle-adjustable curved-arm manned hanging basket, characterized in that: The utility model comprises a base (1), a rotating base (2) is provided on the base (1), a first suspension arm (3) is provided on the rotating base (2), one end of the first suspension arm (3) is hinged to the rotating base (2), and the other end is hinged to a second suspension arm (4), one end of the second suspension arm (4) is hinged to the first suspension arm (3), and the other end is hinged to a third suspension arm (5), one end of the third suspension arm (5) is hinged to the second suspension arm (4), and the other end is fixedly provided with a split rope hanger (15); The rotating seat (2) is provided with a hoisting system (7), and a traction rope (9) is provided in the hoisting system (7). The traction rope (9) is split after it passes along the first boom (3), the second boom (4) and the third boom (5) and enters the rope splitting hanger (15). A hanging basket (6) is hung on the split traction rope (9).

2. The angle-adjustable curved-arm manned hanging basket according to claim 1, characterized in that: A counterweight (8) is also provided on the rotating seat (2).

3. The angle-adjustable curved-arm manned hanging basket according to claim 1, characterized in that: The traction rope (9) comprises a second boom adjustment rope (901), a third boom adjustment rope (902) and a hanging basket rope (903); The second boom adjustment rope (901) is output from the hoisting system (7), passes through a first guide rope wheel (12) provided at one end of the second boom (4), and is then connected and fixed to a first hinge shaft (11) connecting the first boom (3) and the second boom (4); The third boom adjustment rope (902) is output from the winch system (7), passes through a second guide rope wheel (14) provided at one end of the third boom (5), and is then connected and fixed to a second hinge shaft (13) connecting the second boom (4) and the third boom (5).

4. The angle-adjustable curved-arm manned hanging basket according to claim 3, characterized in that: The hanging basket hanging rope (903) is arranged through the rope distribution hanger (15); The rope splitting hanger (15) comprises two rope feed wheels (151) arranged close to each other and two rope splitting wheels (152) arranged on both sides of the rope splitting hanger (15). The hanging rope (903) of the hanging basket passes through between the two rope feed wheels (151) and then splits. The two strands of the hanging rope (903) of the hanging basket after being split respectively pass around the two rope splitting wheels (152) and are then connected to both sides of the hanging basket (6).

5. The angle-adjustable curved-arm manned hanging basket according to claim 1, characterized in that: The rotating seat (2) is provided with a first boom cylinder (10) for adjusting the first boom (3); the cylinder body of the first boom cylinder (10) is hinged on the rotating seat (2); and the push rod of the first boom cylinder (10) is fixedly connected to the first boom (3).

6. The angle-adjustable curved-arm manned hanging basket according to claim 1, characterized in that: The hoisting system (7) comprises a first rope drum (701), a second rope drum (702) and a third rope drum (703), wherein the first rope drum (701), the second rope drum (702) and the third rope drum (703) are arranged in parallel on the rotating seat (2), one end of the central axis of the first rope drum (701), the second rope drum (702) and the third rope drum (703) passes through the outside of the rotating seat (2), and a driven gear (16) is provided at the end of the central axis of the first rope drum (701), the second rope drum (702) and the third rope drum (703); Two arc grooves (17) are provided on the side wall of the rotating seat (2) above the driven gear (16), and a slide seat with a driving gear (18) is provided in the arc groove (17). The driving gear (18) is meshed with the driven gears (16) on the central axes of the first rope drum (701), the second rope drum (702) and the third rope drum (703) at three lowest points formed by the two arc grooves (17).

7. The angle-adjustable curved-arm manned hanging basket according to claim 6, characterized in that: A motor (19) is provided on the top of the rotating seat (2), and a drive shaft of the motor (19) forms a transmission fit with the shaft where the driving gear (18) is located via a synchronous belt (191).

8. The angle-adjustable curved-arm manned hanging basket according to claim 7, characterized in that: The rotating seat (2) is also provided with a horizontal slide groove (20), a slider (21) is provided in the slide groove (20), a tension rod (22) is provided on the slider (21), and the tension rod (22) is located in the annular closed area of ​​the synchronous belt (191).

9. The angle-adjustable curved-arm manned hanging basket according to claim 8, characterized in that: The sliding block (21) can be fixed at both ends of the sliding groove (20).

Images