Underwater equipment lifting device

Abstract

The utility model relates to an underwater equipment hoisting device. According to the technical scheme, the two sides of the upper end of a door-shaped lifting frame are fixedly connected with the bottom of a circular ring frame, the circular ring frame comprises a bottom circular ring, connecting columns are arranged in the middle of the upper surface of the bottom circular ring in a circumferential array mode, and the upper ends of the connecting columns are fixedly connected with an upper circular ring; the position, directly facing the circle center of the upper circular ring, of the rotary lifting arm is fixedly connected with an output shaft of a first motor, the first motor is installed on the lower portion of a cross beam of the door-shaped lifting frame, and first U-shaped supports are installed on the upper portions of the front end and the rear end of the rotary lifting arm correspondingly. A second U-shaped support is installed on the suspension arm on the rear portion of the first U-shaped support on the front side, and an anti-rust mechanism is installed on the second U-shaped support. The lifting device has the beneficial effects that the rotary lifting arm capable of rotating is arranged on the circular ring frame, so that the 360-degree rotating operation is realized, the flexibility of the lifting device is improved, and the labor intensity of manually maintaining a steel rope is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of hoisting equipment and relates to an underwater equipment hoisting device. Background Art

[0002] When sewage treatment equipment is being repaired, it is often necessary to use lifting equipment for hoisting. The steel cables of the lifting device are in contact with sewage for a long time and are prone to rust, which seriously affects the service life of the steel cables. Manual maintenance of the steel cables requires dismantling the machine, which is a cumbersome process and labor-intensive. At the same time, the existing door-type lifting device cannot achieve large-angle rotation of the equipment hoisting and has poor flexibility.

[0003] Therefore, the utility model provides an underwater equipment lifting device to solve the above problems. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses an underwater equipment lifting device, and the technical scheme adopted is as follows: it includes a portal lifting frame, and the upper ends of the portal lifting frame are respectively fixedly connected to the bottom of the circular ring frame on both sides, the circular ring frame includes a bottom circular ring, and a circumferential array connecting column in the middle part of the upper surface of the bottom circular ring, and the upper end of the connecting column is fixedly connected to the upper circular ring, and a rotating boom is slidably clamped on the upper circular ring, and the position of the rotating boom facing the center of the upper circular ring is fixedly connected to the output shaft of a first motor, the first motor is installed at the lower part of the crossbeam of the portal lifting frame, and first U-shaped brackets are respectively installed on the upper parts of the front and rear ends of the rotating boom, and a traction mechanism is installed on the front and rear first U-shaped brackets, a second U-shaped bracket is installed on the boom rearward of the first U-shaped bracket on the front side, and an anti-rust mechanism is installed on the second U-shaped bracket.

[0005] As a preferred solution of the utility model, the rotating boom is welded downwardly with fixed shafts on the front and rear sides facing the upper circular ring respectively, a limiting ring is fixedly mounted on the fixed shaft, and the edges of the front and rear limiting rings are movably inserted into the gaps on the inner and outer sides of the bottom circular ring and the upper circular ring respectively; such a design can enable the rotating boom to achieve 360-degree rotation on the circular ring frame, thereby improving its rotation stability.

[0006] As a preferred solution of the utility model, the traction mechanism includes a second motor, which is mounted on the first U-shaped bracket on the rear side, and a rope drum is fixedly mounted on the output of the second motor, and the rope drum is fixedly connected to the end of the steel cable rope. A rotating shaft is also mounted on the first U-shaped bracket on the front side, and a double-cone guide wheel is fixedly mounted in the middle of the rotating shaft, and the steel cable rope passes through the double-cone guide wheel, and the lower end of the steel cable rope is fixedly connected to a hook.

[0007] As a preferred solution of the utility model, the anti-rust mechanism includes a hot air gun, which is installed at the front end of the left side of the second U-shaped bracket, electric telescopic rods are installed on both sides of the bracket on the rear side of the hot air gun, U-shaped grooves are installed on the front ends of the left and right electric telescopic rods, grinding wheels are rotatably installed in the left and right U-shaped grooves, automatic spray guns are installed on both sides of the bracket on the rear side of the electric telescopic rod, and the gun heads of the left and right automatic spray guns are respectively located on both sides of the steel cable rope; by adopting the anti-rust mechanism, the wet steel cable rope is automatically dried, rust-removed and painted, thereby reducing the intensity of manual maintenance.

[0008] As a preferred solution of the utility model, a semicircular wind shielding ring is also installed on the bracket on the other side facing the hot air gun; by adopting the semicircular wind shielding ring, the high-speed gas sprayed from the hot air gun can be blocked, so that it can rush back to the steel cable again, which can fully dry and heat it and improve the drying effect.

[0009] The beneficial effects of the utility model are as follows: by arranging a circular frame on a gantry-type lifting frame, and arranging a rotatable boom on the circular frame, a large-angle rotation of 360 degrees can be achieved for the lifting device, thereby improving its flexibility in use; in addition, a rust removal mechanism is arranged on the rotatable boom, which can automatically dry, remove rust and spray paint the steel cable, thereby reducing the tediousness of manual maintenance and effectively alleviating labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the assembly of the circular ring frame and the rotating boom of the utility model;

[0012] Figure 3 It is a schematic diagram of the traction mechanism of the utility model;

[0013] Figure 4 It is a schematic diagram of the anti-rust mechanism of the utility model.

[0014] In the figure: 1-door type lifting frame, 2-circular frame, 3-rotating boom, 4-first motor, 5-traction mechanism, 6-rust prevention mechanism, 21-bottom circular ring, 22-connecting column, 23-upper circular ring, 31-first U-shaped bracket, 32-second U-shaped bracket, 33-fixed shaft, 34-limiting ring, 51-second motor, 52-rope drum, 53-steel rope, 54-rotating shaft, 55-double cone guide wheel, 56-hook, 61-hot air gun, 62-electric telescopic rod, 63-U-shaped groove, 64-grinding wheel, 65-automatic spray gun machine, 66-semicircular wind shield ring. DETAILED DESCRIPTION

[0015] Example 1

[0016] like Figures 1 to 4 As shown, the utility model is an underwater equipment lifting device, the technical scheme adopted is, including a portal lifting frame 1, the upper ends of the portal lifting frame 1 are respectively fixedly connected to the bottom of the circular frame 2, the circular frame 2 includes a bottom circular ring 21, the middle part of the upper surface of the bottom circular ring 21 is a circumferential array connecting column 22, the upper end of the connecting column 22 is fixedly connected to the upper circular ring 23, the upper circular ring 23 is slidably clamped with a rotating arm 3, the rotating arm 3 is fixedly connected to the output shaft of the first motor 4 at a position facing the center of the upper circular ring 23, the first motor 4 is fixedly connected to the output shaft of the first motor 4, and the first motor 4 is fixedly connected to the output shaft of the first motor 4. A motor 4 is installed at the lower part of the crossbeam of the portal hoist frame 1, and the upper parts of the front and rear ends of the rotating boom 3 are respectively installed with first U-shaped brackets 31, and a traction mechanism 5 is installed on the front and rear first U-shaped brackets 31. The traction mechanism 5 includes a second motor 51, and the second motor 51 is installed on the first U-shaped bracket 31 at the rear side. A rope drum 52 is fixedly mounted on the output of the second motor 51, and the rope drum 52 is fixedly connected to the end of the steel cable 53. A rotating shaft 54 ​​is also installed on the first U-shaped bracket 31 at the front side, and a double-cone guide wheel 5 is fixedly mounted in the middle of the rotating shaft 54. 5. The double-cone guide wheel 55 passes through the steel cable 53, and the lower end of the steel cable 53 is fixedly connected to the hook 56. The second U-shaped bracket 32 ​​is installed on the arm behind the first U-shaped bracket 31 on the front side. The rotating arm 3 is welded downwardly with a fixed shaft 33 on the front and rear sides facing the upper ring 23. The fixed shaft 33 is fixedly sleeved with a limit ring 34. The edges of the front and rear limit rings 34 are movably inserted into the gaps on the inner and outer sides of the bottom ring 21 and the upper ring 23. The second U-shaped bracket 32 ​​is installed with a rust-proof mechanism 6. The rust-proof mechanism 6 It includes a hot air gun 61, which is installed at the front end of the left side of the second U-shaped bracket 32, and electric telescopic rods 62 are installed on both sides of the bracket on the rear side of the hot air gun 61. U-shaped grooves 63 are installed on the front ends of the left and right electric telescopic rods 62 respectively, and grinding wheels 64 are rotatably installed in the left and right U-shaped grooves 63 respectively. Automatic spray guns 65 are installed on both sides of the bracket on the rear side of the electric telescopic rod 62, and the gun heads of the left and right automatic spray guns 65 are respectively located on both sides of the steel cable 53. A semicircular wind shielding ring 66 is also installed on the other side bracket opposite to the hot air gun 61.

[0017] The working principle of the utility model is as follows: when in use, the first motor 4 is started to drive the rotating boom 4 to rotate on the circular frame 2, so as to flexibly adjust the lifting position, the second motor 51 is started to drive the rope drum 52 to rotate and wind the steel cable 53, so as to lift the maintenance equipment on the hook 56 from the water, and then the first motor 4 is controlled to rotate to hoist the equipment at the corresponding position on the shore. In the subsequent maintenance process, the rotation of the first motor 4 is controlled to rotate the hook 56 to one side of the shore, and then the hot air gun 61 is controlled to start, and the second motor 51 is controlled at the same time to drive the rope drum 52 to rotate and wind or release. Loosen the steel cable rope 53, and use the hot air blown out by the hot air gun 61 in conjunction with the semicircular wind shield ring 66 facing it to quickly dry the moving steel cable rope 53. Afterwards, control the left and right electric telescopic rods 62 to squeeze the left and right grinding wheels 64 on both sides of the moving steel cable rope 53 to wrap it, thereby polishing the steel cable rope 53 to remove dirt and rust. After several rounds of repeated polishing, finally, turn on the automatic spray gun machines 65 on both sides to spray paint the surface of the dried and rust-free steel cable rope 53. After the painting is completed, use the hot air gun 61 again to dry it to improve the adhesion effect of the anti-rust paint.

[0018] The electrical connection methods or structures not described in detail herein are prior art.

[0019] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. An underwater equipment lifting device, comprising a portal lifting frame (1), characterized in that: The two sides of the upper end of the portal lifting frame (1) are respectively fixedly connected to the bottom of the circular frame (2), the circular frame (2) comprises a bottom circular ring (21), a circumferential array connecting column (22) in the middle of the upper surface of the bottom circular ring (21), the upper end of the connecting column (22) is fixedly connected to the upper circular ring (23), a rotating arm (3) is slidably mounted on the upper circular ring (23), the rotating arm (3) is fixedly connected to the output shaft of a first motor (4) at a position facing the center of the upper circular ring (23), the first motor (4) is mounted on the lower part of the crossbeam of the portal lifting frame (1), the upper parts of the front and rear ends of the rotating arm (3) are respectively mounted with first U-shaped brackets (31), the traction mechanism (5) is mounted on the front and rear first U-shaped brackets (31), the second U-shaped bracket (32) is mounted on the arm at the rear of the front first U-shaped bracket (31), and the second U-shaped bracket (32) is mounted with a rust-proof mechanism (6).

2. The underwater equipment lifting device according to claim 1, characterized in that: The rotating boom (3) is welded downwardly with a fixed shaft (33) on both the front and rear sides facing the upper circular ring (23), and a limiting ring (34) is fixedly mounted on the fixed shaft (33). The edges of the front and rear limiting rings (34) are movably inserted into the gaps on both the inner and outer sides of the bottom circular ring (21) and the upper circular ring (23).

3. The underwater equipment lifting device according to claim 1, characterized in that: The traction mechanism (5) comprises a second motor (51), the second motor (51) is mounted on the first U-shaped bracket (31) at the rear side, a rope drum (52) is fixedly mounted on the output of the second motor (51), the rope drum (52) is fixedly connected to the end of a steel cable (53), a rotating shaft (54) is also mounted on the first U-shaped bracket (31) at the front side, a double-cone guide wheel (55) is fixedly mounted in the middle of the rotating shaft (54), the steel cable (53) passes through the double-cone guide wheel (55), and the lower end of the steel cable (53) is fixedly connected to a hook (56).

4. An underwater equipment lifting device according to claim 1 or 3, characterized in that: The anti-rust mechanism (6) comprises a hot air gun (61), the hot air gun (61) being mounted on the front end of the left side of the second U-shaped bracket (32), electric telescopic rods (62) being mounted on both sides of the bracket on the rear side of the hot air gun (61), U-shaped grooves (63) being mounted on the front ends of the left and right electric telescopic rods (62), grinding wheels (64) being rotatably mounted in the left and right U-shaped grooves (63), automatic spray guns (65) being mounted on both sides of the bracket on the rear side of the electric telescopic rod (62), and gun heads of the left and right automatic spray guns (65) being located on both sides of the steel cable (53).

5. The underwater equipment lifting device according to claim 4, characterized in that: A semicircular wind shielding ring (66) is also installed on the bracket on the other side directly facing the hot air gun (61).

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