Crank arm lifting mechanism for lock chamber side wall cleaning device

Abstract

A crank arm lifting mechanism for a lock chamber side wall cleaning device comprises a base plate, a bottom plate is arranged on the base plate, a supporting arm mounting hinge seat is arranged on the bottom plate, a supporting arm is hinged to the supporting arm mounting hinge seat, a movable arm is hinged to one end of the supporting arm, a control arm is hinged to one end of the movable arm, and a cleaning mechanism connector is arranged at the end of the control arm. A first bottom plate hinge seat is arranged on the bottom plate, a first supporting arm hinge seat and a second supporting arm hinge seat are arranged on different sides of the two ends of the supporting arm, a first movable arm hinge seat and a second movable arm hinge seat are arranged on the lower side of the movable arm, and a control arm hinge seat is arranged on the lower side of the control arm. An oil cylinder is arranged between the first movable arm hinge seat and the first supporting arm hinge seat, an oil cylinder is arranged between the second movable arm hinge seat and the control arm hinge seat, and an oil cylinder is arranged between the first bottom plate hinge seat and the second supporting arm hinge seat. By the adoption of the structure, the orientation of the cleaning mechanism of the lock chamber side wall cleaning device can be directly and rapidly adjusted, so that the cleaning operation requirements of a lock chamber bottom plate and a side wall are met.

Description

Technical Field

[0001] The utility model relates to the technical field of gate chamber maintenance in a hydropower station, in particular to a crank arm lifting mechanism for a gate chamber side wall cleaning device. Background Art

[0002] Before overhauling, the surface covering of hydraulic structures such as the lock chamber of a hydropower station, metal gates and other equipment and facilities must be cleaned of debris, including silt, branches, floating objects and other debris, and water must be blocked and pumped out to create dry land for overhaul. At present, dredging is mainly done manually with a shovel, which is inefficient.

[0003] At present, a special cleaning device is also used to clean the lock chamber, but the cleaning is currently limited to the cleaning of the lock chamber bottom plate. If the lock chamber side wall needs to be cleaned, an additional side wall cleaning mechanism needs to be configured, which makes the device structure complicated and requires more circuits and drive devices to realize the control of different cleaning mechanisms. The cost of the device increases and the difficulty of operation increases. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a crank arm lifting mechanism for a lock chamber side wall cleaning device, through which the cleaning mechanism direction of the lock chamber side wall cleaning device can be directly adjusted quickly to meet the cleaning operation requirements of the lock chamber bottom plate and side wall.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a crank arm lifting mechanism for a lock chamber side wall cleaning device, comprising a base plate, a bottom plate is provided on the base plate, a support arm mounting hinge seat is provided on the bottom plate, a support arm is hinged on the support arm mounting hinge seat, one end of the support arm is hinged to the support arm mounting hinge seat, and a movable arm is hinged on the other end, a control arm is hinged on the end of the movable arm away from the support arm, and a cleaning mechanism joint for connecting the cleaning mechanism is provided at the end of the control arm;

[0006] The bottom plate is provided with a first bottom plate hinge seat, the two ends of the support arm are provided with a first support arm hinge seat and a second support arm hinge seat on different sides, the lower middle part of the movable arm and one end close to the control arm are provided with a first movable arm hinge seat and a second movable arm hinge seat, and the lower middle part of the control arm is provided with a control arm hinge seat;

[0007] A first oil cylinder is arranged between the first boom articulated seat and the first support arm articulated seat, a third oil cylinder is arranged between the second boom articulated seat and the control arm articulated seat, and a fourth oil cylinder is arranged between the first base plate articulated seat and the second support arm articulated seat.

[0008] In a preferred embodiment, two second bottom plate hinge seats are symmetrically provided on both sides of the top surface of the bottom plate, a support rod is hinged on the second bottom plate hinge seat, the support rod is vertically arranged, and a telescopic joint is provided on the top of the support rod, and a baffle is provided on the upper end of the telescopic joint.

[0009] In a preferred solution, two first shielding plate hinge seats are provided at one end of the bottom surface of the shielding plate, and the two first shielding plate hinge seats are hinged to the upper ends of the two telescopic joints respectively.

[0010] In a preferred solution, two second shielding plate hinge seats are provided in the middle of the bottom surface of the shielding plate, a first support rod hinge seat is provided on one side of each of the two support rods, and a second oil cylinder is provided between the two first support rod hinge seats and the two second shielding plate hinge seats.

[0011] In a preferred embodiment, a groove is provided on the portion of the bottom plate extending to the outside of the base plate, a fifth oil cylinder is provided on the outer wall of the base plate, and the push rod end of the fifth oil cylinder is hingedly connected to the second support rod hinge seat on one side of the lower end of the support rod.

[0012] In a preferred solution, the cylinder bodies and push rods of the first oil cylinder, the second oil cylinder, the third oil cylinder, the fourth oil cylinder and the fifth oil cylinder are all connected in a hinged manner.

[0013] The utility model provides a crank arm lifting mechanism for a lock chamber side wall cleaning device. By adopting the above structure, multiple arms and multiple oil cylinders can realize rapid control and adjustment of the cleaning mechanism from a vertical orientation to a horizontal orientation, so that a single cleaning mechanism can simultaneously meet the cleaning requirements of the lock chamber bottom plate and the side wall, and the entire structure can be folded to reduce the overall volume of the cleaning device, thereby facilitating the transfer and storage of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a side structural schematic diagram of the utility model.

[0017] In the figure: base plate 1, support arm mounting articulated seat 2, support arm 3, first support arm articulated seat 301, second support arm articulated seat 302, movable arm 4, first movable arm articulated seat 401, second movable arm articulated seat 402, control arm 5, control arm articulated seat 501, cleaning mechanism joint 502, bottom plate 6, first bottom plate articulated seat 601, second bottom plate articulated seat 602, slot 603, support rod 7, telescopic joint 701, first support rod articulated seat 702, second support rod articulated seat 703, baffle plate 8, first baffle plate articulated seat 801, second baffle plate articulated seat 802, first oil cylinder 9, second oil cylinder 10, third oil cylinder 11, fourth oil cylinder 12, fifth oil cylinder 13. DETAILED DESCRIPTION

[0018] like Figure 1-2 A crank arm lifting mechanism for a lock chamber side wall cleaning device includes a base plate 1, a bottom plate 6 is provided on the base plate 1, a support arm mounting hinge seat 2 is provided on the bottom plate 6, a support arm 3 is hinged on the support arm mounting hinge seat 2, one end of the support arm 3 is hinged to the support arm mounting hinge seat 2, and a movable arm 4 is hinged on the other end, a control arm 5 is hinged on the end of the movable arm 4 away from the support arm 3, and a cleaning mechanism joint 502 for connecting the cleaning mechanism is provided at the end of the control arm 5;

[0019] The bottom plate 6 is provided with a first bottom plate articulated seat 601, the two ends of the support arm 3 are provided with a first support arm articulated seat 301 and a second support arm articulated seat 302 on different sides, the lower middle part of the movable arm 4 and one end close to the control arm 5 are provided with a first movable arm articulated seat 401 and a second movable arm articulated seat 402, and the lower middle part of the control arm 5 is provided with a control arm articulated seat 501;

[0020] A first oil cylinder 9 is provided between the first boom articulated seat 401 and the first support arm articulated seat 301 , a third oil cylinder 11 is provided between the second boom articulated seat 402 and the control arm articulated seat 501 , and a fourth oil cylinder 12 is provided between the first base plate articulated seat 601 and the second support arm articulated seat 302 .

[0021] In the preferred embodiment, two second bottom plate hinge seats 602 are symmetrically provided on both sides of the top surface of the bottom plate 6, a support rod 7 is hinged on the second bottom plate hinge seat 602, the support rod 7 is vertically arranged, and a telescopic joint 701 is provided on the top of the support rod 7, and a baffle plate 8 is provided on the upper end of the telescopic joint 701.

[0022] In a preferred solution, two first shielding plate hinge seats 801 are provided at one end of the bottom surface of the shielding plate 8 , and the two first shielding plate hinge seats 801 are hinged to the upper ends of the two telescopic joints 701 respectively.

[0023] In the preferred embodiment, two second shielding plate hinge seats 802 are provided in the middle of the bottom surface of the shielding plate 8, a first support rod hinge seat 702 is provided on one side of each of the two support rods 7, and a second oil cylinder 10 is provided between the two first support rod hinge seats 702 and the two second shielding plate hinge seats 802.

[0024] In the preferred embodiment, a groove 603 is provided on the portion of the bottom plate 6 extending to the outside of the base plate 1, and a fifth oil cylinder 13 is provided on the outer wall of the base plate 1. The push rod end of the fifth oil cylinder 13 is hingedly connected to the second support rod hinge seat 703 on one side of the lower end of the support rod 7.

[0025] In a preferred solution, the cylinder bodies and push rods of the first oil cylinder 9, the second oil cylinder 10, the third oil cylinder 11, the fourth oil cylinder 12 and the fifth oil cylinder 13 are all connected in a hinged manner.

[0026] The present invention discloses a crank arm lifting mechanism for a lock chamber side wall cleaning device, which, when performing lock chamber cleaning operations:

[0027] The cleaning mechanism is fixed to one end of the control arm 5 through the cleaning mechanism joint 502. By controlling the telescopic action of the first oil cylinder 9, the movable arm 4 and the control arm 5 are rotated around the hinge point of the support arm 3 and the movable arm 4, and the cleaning mechanism is rotated around the hinge point of the support arm 3 and the movable arm 4; the inclination angle and height adjustment of the baffle plate 8 can be achieved by controlling the second oil cylinder 10, so that one end of the baffle plate 8 is always located above the cleaning mechanism to avoid waste water splashing during the cleaning process; the relative position of the control arm 5 and the cleaning mechanism can be further adjusted by controlling the telescopic action of the third oil cylinder 11. By controlling the angle of the boom 4, the control arm 5 can be folded when the cleaning mechanism is not installed; by controlling the telescopic action of the fourth oil cylinder 12, the support arm 3 is rotated around the support arm mounting hinge seat 2, and finally the cleaning height adjustment of the cleaning mechanism is realized, and at the same time, the support arm 3, the boom 4 and the control arm 5 are folded together when the cleaning mechanism is not installed; by controlling the fifth oil cylinder 13, the synchronous inclination angle adjustment of the support rod 7 and the shielding plate 8 is realized, further ensuring that the shielding plate 8 can effectively meet the shielding requirements of the cleaning part.

Claims

1. A crank arm lifting mechanism for a lock chamber side wall cleaning device, comprising a base plate (1), characterized in that: The base plate (1) is provided with a bottom plate (6), the bottom plate (6) is provided with a support arm mounting hinge seat (2), a support arm (3) is hingedly connected to the support arm mounting hinge seat (2), one end of the support arm (3) is hingedly connected to the support arm mounting hinge seat (2), and the other end is hingedly connected to a movable arm (4), the end of the movable arm (4) away from the support arm (3) is hingedly connected to a control arm (5), and the end of the control arm (5) is provided with a cleaning mechanism joint (502) for connecting to a cleaning mechanism; The bottom plate (6) is provided with a first bottom plate hinge seat (601), the first support arm hinge seat (301) and the second support arm hinge seat (302) are provided on different sides of both ends of the support arm (3), the first moveable arm hinge seat (401) and the second moveable arm hinge seat (402) are provided at the middle of the lower side of the movable arm (4) and at one end close to the control arm (5), and the control arm hinge seat (501) is provided at the middle of the lower side of the control arm (5); A first oil cylinder (9) is provided between the first boom articulated seat (401) and the first support arm articulated seat (301), a third oil cylinder (11) is provided between the second boom articulated seat (402) and the control arm articulated seat (501), and a fourth oil cylinder (12) is provided between the first base plate articulated seat (601) and the second support arm articulated seat (302).

2. The crank arm lifting mechanism for the lock chamber side wall cleaning device according to claim 1, characterized in that: Two second bottom plate hinge seats (602) are symmetrically provided on both sides of the top surface of the bottom plate (6), a support rod (7) is hingedly connected to the second bottom plate hinge seat (602), the support rod (7) is vertically arranged, a telescopic joint (701) is provided at the top of the support rod (7), and a shielding plate (8) is provided at the upper end of the telescopic joint (701).

3. The crank arm lifting mechanism for the lock chamber side wall cleaning device according to claim 2, characterized in that: Two first shielding plate hinge seats (801) are provided at one end of the bottom surface of the shielding plate (8), and the two first shielding plate hinge seats (801) are hinged to the upper ends of the two telescopic joints (701) respectively.

4. A crank arm lifting mechanism for a lock chamber side wall cleaning device according to claim 2 or 3, characterized in that: Two second shielding plate hinge seats (802) are provided in the middle of the bottom surface of the shielding plate (8), a first support rod hinge seat (702) is provided on one side of each of the two support rods (7), and a second oil cylinder (10) is provided between the two first support rod hinge seats (702) and the two second shielding plate hinge seats (802).

5. The crank arm lifting mechanism for the lock chamber side wall cleaning device according to claim 2, characterized in that: A groove (603) is provided on the portion of the bottom plate (6) extending to the outside of the base plate (1), and a fifth oil cylinder (13) is provided on the outer wall surface of the base plate (1). The end of the push rod of the fifth oil cylinder (13) is hingedly connected to a second support rod hinge seat (703) on one side of the lower end of the support rod (7).

6. The crank arm lifting mechanism for the lock chamber side wall cleaning device according to claim 4, characterized in that: The cylinder bodies and push rods of the first oil cylinder (9), the second oil cylinder (10), the third oil cylinder (11), the fourth oil cylinder (12) and the fifth oil cylinder (13) are all connected in a hinged manner.

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