Cleaning mechanism for top cover of pressure container

Abstract

The utility model discloses a pressure vessel top cover cleaning mechanism which comprises a fixed base, a rotating seat, a rotating frame, a connecting frame and a cleaning box, the rotating seat is rotatably installed on the fixed base, the rotating frame is fixed on the rotating seat, the connecting frame is slidably installed on the side, away from the rotating seat, of the rotating frame, and the cleaning box is installed on the connecting frame. The connecting frame is connected with the cleaning box, moving rollers are arranged at the bottom of the cleaning box, a supporting frame is arranged at the bottom of the rotating frame, auxiliary rollers are arranged at the bottom of the supporting frame, a recycling water tank is arranged at the top of the cleaning box, and a cleaning assembly is arranged above the recycling water tank. The cleaning box is driven by the rotating frame to do circular motion, so that the cleaning box can automatically clean a top cover sealing groove; the connecting frame can slide on the rotating frame, and the rotating radius of the cleaning box is adjusted so as to adapt to annular grooves of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to the technical field of a cleaning mechanism for a top cover of a pressure container. Background Art

[0002] The reactor pressure vessel top cover is an important equipment of nuclear power plants, and its intact state is the guarantee for the stable operation of nuclear reactor pressure vessels. During the overhaul and refueling of nuclear power plants, in order to ensure that the reactor pressure vessel top cover has a good enough seal, it is necessary to clean the top cover sealing ring C groove, remove foreign matter such as boron crystals and residual silver in the sealing ring C groove, and then check the state of the sealing ring C groove.

[0003] At present, the top cover of the pressure vessel is generally cleaned manually, and the cleaning efficiency is not high. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art and to provide a cleaning mechanism for a top cover of a pressure vessel, which can solve the above problems.

[0005] To achieve the above-mentioned purpose, the utility model proposes a cleaning mechanism for the top cover of a pressure vessel, comprising a fixed base, a rotating base, a rotating frame, a connecting frame and a cleaning box, wherein the fixed base is rotatably mounted with a rotating base, the rotating base is fixed with a rotating frame, a connecting frame is slidably mounted on a side of the rotating frame away from the rotating base, the connecting frame is connected to the cleaning box, a movable roller is provided at the bottom of the cleaning box, a supporting frame is provided at the bottom of the rotating frame, an auxiliary roller is provided at the bottom of the supporting frame, a recovery water tank is provided at the top of the cleaning box, and a cleaning component is provided above the recovery water tank.

[0006] Preferably, the cleaning assembly includes a cleaning liquid spray head, a cleaning brush head and a clean water spray head, the cleaning liquid spray head is installed on a first bracket, the cleaning liquid spray head is connected to a cleaning liquid delivery pipeline, the cleaning liquid delivery pipeline is connected to a cleaning liquid storage tank, the cleaning brush head is connected to a cleaning motor, the cleaning brush head and the cleaning motor are installed on a second bracket, the clean water spray head is connected to a clean water delivery pipeline, the clean water delivery pipeline is connected to a clean water storage tank, and the clean water spray head is installed on a third bracket.

[0007] Preferably, the first bracket, the second bracket and the third bracket are located above the recovery tank, sliders are provided on both sides of the first bracket, the second bracket and the third bracket, slide rails are provided on the cleaning box, the sliders are slidably installed on the slide rails, and limit blocks are provided on the slide rails.

[0008] Preferably, positioning wheels are rotatably mounted on both sides of the first bracket, the second bracket and the third bracket.

[0009] Preferably, a slot is provided on the top of the rotating frame, a rack is provided on the bottom of the connecting frame, the rack is arranged in the slot, a driving gear is provided in the slot, the driving gear is meshed with the rack, and the driving gear is connected to a driving motor.

[0010] The beneficial effects of the utility model are as follows: the utility model drives the cleaning box to make circular motion through the rotating frame, so that the cleaning box can automatically complete the cleaning of the top cover sealing groove; the connecting frame can slide on the rotating frame to adjust the rotation radius of the cleaning box to adapt to annular grooves of different sizes; the positions of the two spray heads can be adjusted by the sliding bracket, which can better adapt to the curvature of the annular groove.

[0011] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a top view of the utility model.

[0014] In the figure: 1-fixed base; 2-rotating base; 3-rotating frame; 4-connecting frame; 5-cleaning box; 51-moving roller; 31-support frame; 32-auxiliary roller; 52-recovery tank; 6-cleaning liquid spray head; 61-first bracket; 7-cleaning brush head; 71-second bracket; 8-clean water spray head; 81-third bracket; 9-rack; 10-driving gear. DETAILED DESCRIPTION

[0015] See also Figure 1 , Figure 2, a cleaning mechanism for a pressure vessel top cover comprises a fixed base 1, a rotating base 2, a rotating frame 3, a connecting frame 4 and a cleaning box 5, wherein the fixed base 1 is rotatably mounted with a rotating base 2, the rotating frame 3 is fixed on the rotating base 2, the connecting frame 4 is slidably mounted on the side of the rotating frame 3 away from the rotating base 2, the connecting frame 4 is connected to the cleaning box 5, a moving roller 51 is provided at the bottom of the cleaning box 5, a supporting frame 31 is provided at the bottom of the rotating frame 3, an auxiliary roller 32 is provided at the bottom of the supporting frame 31, a recovery water tank 52 is provided at the top of the cleaning box 5, and a cleaning component is provided above the recovery water tank 52, the cleaning component comprises a cleaning liquid spray head 6, a cleaning brush head 7 and a clean water spray head 8, the cleaning liquid spray head 6 is mounted on a first bracket 61, the cleaning liquid spray head 6 is connected to a cleaning liquid delivery pipeline, the cleaning liquid delivery pipeline is connected to a cleaning liquid storage tank, and the cleaning brush head 7 is connected to a cleaning electric Machine, the cleaning brush head 7 and the cleaning motor are mounted on the second bracket 71, the clean water spray head 8 is connected to a clean water delivery pipeline, the clean water delivery pipeline is connected to a clean water storage tank, the clean water spray head 8 is mounted on the third bracket 81, the first bracket 61, the second bracket 71 and the third bracket 81 are located above the recovery tank 52, both sides of the first bracket 61, the second bracket 71 and the third bracket 81 are provided with sliders, the cleaning box 5 is provided with a slide rail, the slider is slidably mounted on the slide rail, the slide rail is provided with a limit block, the first bracket 61, the second bracket 71 and the third bracket 81 are rotatably mounted on both sides, the top of the rotating frame 3 is provided with a slot, the bottom of the connecting frame 4 is provided with a rack 9, the rack 9 is arranged in the slot, a driving gear 10 is provided in the slot, the driving gear 10 is meshed with the rack 9, and the driving gear 10 is connected to a driving motor.

[0016] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A cleaning mechanism for a pressure vessel top cover, characterized in that: The utility model comprises a fixed base (1), a rotating base (2), a rotating frame (3), a connecting frame (4) and a cleaning box (5); the rotating base (2) is rotatably mounted on the fixed base (1); the rotating frame (3) is fixed on the rotating base (2); a connecting frame (4) is slidably mounted on a side of the rotating frame (3) away from the rotating base (2); the connecting frame (4) is connected to the cleaning box (5); a moving roller (51) is provided at the bottom of the cleaning box (5); a supporting frame (31) is provided at the bottom of the rotating frame (3); an auxiliary roller (32) is provided at the bottom of the supporting frame (31); a recovery water tank (52) is provided at the top of the cleaning box (5); a cleaning component is provided above the recovery water tank (52).

2. The cleaning mechanism for the top cover of a pressure vessel according to claim 1, characterized in that: The cleaning assembly comprises a cleaning liquid spray head (6), a cleaning brush head (7) and a clean water spray head (8); the cleaning liquid spray head (6) is mounted on a first bracket (61); the cleaning liquid spray head (6) is connected to a cleaning liquid delivery pipeline; the cleaning liquid delivery pipeline is connected to a cleaning liquid storage tank; the cleaning brush head (7) is connected to a cleaning motor; the cleaning brush head (7) and the cleaning motor are mounted on a second bracket (71); the clean water spray head (8) is connected to a clean water delivery pipeline; the clean water delivery pipeline is connected to a clean water storage tank; and the clean water spray head (8) is mounted on a third bracket (81).

3. The cleaning mechanism for the top cover of a pressure vessel according to claim 2, characterized in that: The first bracket (61), the second bracket (71) and the third bracket (81) are located above the recovery tank (52); sliders are provided on both sides of the first bracket (61), the second bracket (71) and the third bracket (81); a slide rail is provided on the cleaning box (5); the slide rail is slidably mounted on the slide rail; and a limit block is provided on the slide rail.

4. The cleaning mechanism for the top cover of a pressure vessel according to claim 2, characterized in that: Positioning wheels are rotatably mounted on both sides of the first bracket (61), the second bracket (71) and the third bracket (81).

5. The cleaning mechanism for the top cover of a pressure vessel according to claim 1, characterized in that: The top of the rotating frame (3) is provided with a slot, the bottom of the connecting frame (4) is provided with a rack (9), the rack (9) is arranged in the slot, a driving gear (10) is arranged in the slot, the driving gear (10) is meshed with the rack (9), and the driving gear (10) is connected to a driving motor.

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