Full-plane condenser online cleaning robot device suitable for seawater cooling unit

Abstract

The utility model discloses a full-plane condenser online cleaning robot device suitable for a seawater cooling unit. The full-plane condenser online cleaning robot device comprises a main transmission pair, an auxiliary transmission pair, an auxiliary transmission driving assembly, a water spraying pipe and a water inlet pipe. The main transmission pair is installed on the water chamber shell in the horizontal or vertical direction. The auxiliary transmission pair can be freely and movably arranged on the main transmission pair through the auxiliary transmission driving assembly, and the moving direction is perpendicular to the mounting direction of the main transmission pair; the water inlet pipe is fixed on the water chamber shell and is communicated with the water spraying pipe; the water spraying pipe is arranged on the auxiliary transmission pair and moves in the horizontal direction and the vertical direction in the cleaning plane based on common transmission of the main transmission pair and the auxiliary transmission pair. The length direction of the water spraying pipe is consistent with the moving direction of the auxiliary transmission pair; a plurality of nozzles are arranged on the water spraying pipe in the length direction and arranged in a single row. By adopting the device, the cleaning water flow and the cleaning range of a single nozzle can be improved, so that the cleaning capacity and the cleaning coverage rate are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of full-plane condenser online cleaning robot device suitable for seawater cooling unit and operation logic, specifically relates to the field of condensing pipe underwater cleaning in seawater cooling unit condenser water chamber. BACKGROUND

[0002] Condenser often appears dirty adhesion condition on condensing pipe wall after long-term operation, resulting in heat exchange efficiency reduction, and the application of condenser online cleaning robot is an important way to improve the above problems. The condenser online cleaning robot mentioned in the existing public technology is mostly driven by screw rod transmission or mechanical arm, and the product using screw rod transmission usually uses double-row staggered nozzles, which requires a large number of nozzles and high cleaning water source requirements. The single nozzle cleaning water flow is small. At the same time, it can only move in one direction, and cannot realize dead angle cleaning of the tube plate surface. In addition, the total height of the water jet pipe is relatively large, and the cleaning coverage is low in the non-rectangular tube plate water chamber. Therefore, the screw rod transmission type condenser online cleaning robot product in the existing public technology has the problems of small single nozzle cleaning flow, limited cleaning capacity and low adaptability to water chamber shape. Therefore, it is necessary to study a device that can improve the cleaning capacity and cleaning coverage of the condenser cleaning robot. SUMMARY

[0003] The utility model aims at solving the defects in the prior art, and provides a kind of full-plane condenser online cleaning robot device suitable for seawater cooling unit, which can effectively improve cleaning coverage and cleaning capacity.

[0004] To achieve the above purpose, the technical scheme provided by the utility model is as follows:

[0005] A kind of full-plane condenser online cleaning robot device suitable for seawater cooling unit, comprising main transmission pair, secondary transmission pair, secondary transmission drive assembly, water jet pipe and water inlet pipe;The main transmission pair is installed on the water chamber shell along the horizontal or vertical direction;The secondary transmission pair is freely movable on the main transmission pair by the secondary transmission drive assembly, and the moving direction is perpendicular to the installation direction of the main transmission pair;The water inlet pipe is fixed on the water chamber shell and is communicated with the water jet pipe;The water jet pipe is arranged on the secondary transmission pair, and moves along the horizontal and vertical directions in the cleaning plane based on the common transmission of the main transmission pair and the secondary transmission pair;The length direction of the water jet pipe is consistent with the moving direction of the secondary transmission pair;The water jet pipe is provided with a plurality of nozzles along the length direction, and the nozzles are arranged in single row.

[0006] The utility model discloses a water spraying pipe is arranged on the secondary transmission pair, and the horizontal and vertical movement of two directions is realized through the primary transmission pair and the secondary transmission pair, and the effective realization cleaning overall coverage is realized.

[0007] In some embodiments, preferably, the number of nozzles is less than 20.

[0008] Further, the water spraying pipe is provided with a segmented guide rail matched with the secondary transmission pair; the segmented guide rail is provided with rail limiting blocks at both ends.

[0009] Further, the primary transmission pair and the secondary transmission pair both adopt screw rod and screw nut transmission.

[0010] In some embodiments, preferably, the primary transmission pair comprises a servo motor, a primary transmission screw rod and a primary transmission screw nut; the primary transmission screw rod is rotatably arranged on the water chamber shell; the servo motor is fixedly installed on the water chamber shell and is connected with the primary transmission screw rod through a speed reducer; and the primary transmission screw nut is detachably installed on the primary transmission screw rod. Through the detachable design of the primary transmission screw nut, the secondary transmission pair components can be disassembled and installed without disassembling the primary transmission screw rod, so that full set installation can be carried out, and the existing condenser online cleaning robot using only the primary transmission pair can be upgraded.

[0011] Further, the secondary transmission pair comprises a secondary transmission screw rod and a driving copper sleeve; the driving copper sleeve is fixedly provided with a transmission gear on the side; the secondary transmission driving assembly adopts a servo motor, a speed reducer and a gear transmission, and power is transmitted to the secondary transmission pair through the transmission gear; the primary transmission pair is provided with two, and the two ends of the secondary transmission screw rod are rotatably arranged on the primary transmission screw nuts of the two primary transmission pairs; the water spraying pipe is rotatably connected with the driving copper sleeve; the secondary transmission screw rod is provided with a plurality of sliding blocks, and the water spraying pipe moves on the corresponding sliding blocks through the segmented guide rail.

[0012] Preferably, the water spraying pipe is rotatably connected with the driving copper sleeve through a thrust ball bearing.

[0013] The primary transmission screw nut and the driving copper sleeve are made of aluminum bronze material, the primary transmission screw rod, the secondary transmission screw rod, the transmission gear, the secondary transmission screw nut and other components in the water chamber are all made of SAF2205 duplex stainless steel material to resist seawater corrosion; the secondary transmission driving assembly is provided with a protective cover on the outside, and the protective cover and its transmission cavity both have IP68 protection level; and the driving copper sleeve adopts dynamic sealing design.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model discloses increased condenser online cleaning robot movement degree of freedom, can improve the coverage of cleaning and the adaptability to water chamber shape, and because the demand of the number of nozzle reduces after the movement freedom improves, the flow of single nozzle will increase greatly, thereby improving the cleaning capacity, simultaneously, because the nozzle reduces, the requirement of cleaning water source also reduces accordingly, the material of key position, sealing adopts special design, is suitable for seawater environment, silt environment application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing of the full plane condenser online cleaning robot device of seawater cooling unit suitable for the utility model;

[0017] Figure 2 It is Figure 1 Water spray pipe and integrated parts thereof;

[0018] Figure 3 It is Figure 1 The transmission system schematic diagram that main transmission pair and deputy transmission pair constitute;

[0019] Figure 4 It is the operation logic diagram of the full plane condenser online cleaning robot device of seawater cooling unit suitable for the utility model.

[0020] In the drawing: 1 - water chamber shell, 2 - main transmission pair, 3 - main transmission nut, 4 - deputy transmission pair, 4a - deputy transmission screw rod, 4b - drive copper bush, 5 - deputy transmission drive assembly, 6 - water spray pipe, 6a - nozzle, 6b - sectional guide rail, 6c - guide rail limit block, 7 - water inlet pipe, 8a - transmission gear I, 8b - transmission gear II, 9 - thrust ball bearing. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model is described in further detail below through specific embodiments.

[0022] As Figure 1As shown, the utility model discloses full plane condenser online cleaning robot device of seawater cooling unit, including main transmission pair 2, detachable main transmission nut 3, auxiliary transmission pair 4, auxiliary transmission drive assembly 5, water spray pipe 6, water inlet pipe 7. Among them, water spray pipe 6 is based on the common transmission of main transmission pair 2 and auxiliary transmission pair 4, can realize horizontal, vertical two direction movement in the cleaning plane, the nozzle 6a of water spray pipe adopts single row arrangement, and the number of nozzles is less than 20, main transmission pair 2, auxiliary transmission pair 4 all adopt screw rod nut transmission, full plane condenser online cleaning robot device of seawater cooling unit can whole set installation use, also can replace and install detachable main transmission nut 3, auxiliary transmission pair 4, auxiliary transmission drive assembly 5, water spray pipe 6 on the basis of having main transmission pair product, improve cleaning capacity and cleaning coverage, realize function upgrade.

[0023] Further, the detachable main transmission nut 3 can be disassembled and installed without disassembling the main transmission screw rod.

[0024] Further, the main transmission pair 2 is directly driven by a servo motor and a speed reducer screw rod transmission.

[0025] Further, as shown in the drawings, Figure 2 The auxiliary transmission pair 4 is assisted and mechanically limited by the sectional guide rail 6b and the guide rail limit 6c integrated on the water spray pipe 6.

[0026] Further, the auxiliary transmission drive assembly 5 is driven by a servo motor and a speed reducer, and the power is transmitted to the auxiliary transmission pair 4 through gear transmission.

[0027] Further, as shown in the drawings, Figure 3 The auxiliary transmission screw rod 4a of the auxiliary transmission pair 4 is fixed, the nut adopts a driving copper sleeve 4b, the driving copper sleeve 4b is fixedly provided with a transmission gear II 8b on the outer periphery side, and the transmission gear I 8a of the output end of the auxiliary transmission drive assembly 5 is engaged, the power provided by the auxiliary transmission drive assembly 5 is transmitted through the driving copper sleeve 4b, the transmission gear II 8b rotates, drives the driving copper sleeve 4b to rotate spirally along the auxiliary transmission screw rod 4a, and drives the water spray pipe 6 to move vertically through the transmission of the thrust ball bearing 9. And the driving copper sleeve 4b of the auxiliary transmission pair 4 has a dynamic sealing design.

[0028] Further, the main transmission pair 2 can be installed horizontally or vertically, and the installation direction is not limited, and the utility model takes horizontal installation as an example.

[0029] Further, the protective cover and transmission cavity of the auxiliary transmission drive assembly 5 have an IP68 protection level.

[0030] Further, the flow rate of each nozzle 6a of the water spray pipe 6 is not less than 120L / min.

[0031] Further, since one movement degree of freedom is added, the total height of the water spraying pipe 6 does not need to cover the whole height of the tube plate surface, and can adapt to more water chamber working conditions of non-rectangular tube plate surfaces.

[0032] The realization principle of the cleaning is as shown in the figure Figure 1 The high-pressure and high-flow cleaning water enters the water spraying pipe 6 from the water inlet pipe 7, and then is jetted into the condenser pipe through the nozzle 6a of the water spraying pipe 6, and the position of the water spraying pipe 6 is determined by the main transmission pair 2 and the auxiliary transmission pair 4.

[0033] As shown in the figure Figure 4 The operation logic of the full-plane condenser online cleaning robot device suitable for seawater cooling units is that after the system is powered on and self-checked, the high-pressure and high-flow cleaning water source continuously enters the water spraying pipe 6 from the water inlet pipe 7, and is then jetted out through the nozzle 6a; the water spraying pipe 6, the auxiliary transmission pair 4 and the auxiliary transmission driving assembly 5 move horizontally under the driving of the main transmission pair 2, and when they move to the set cleaning position, the main transmission pair 2 stops driving, and the auxiliary transmission pair 4 and the auxiliary transmission driving assembly 5 jointly drive the water spraying pipe 6 to move in the vertical direction, so that accurate hole cleaning can be performed at each cleaning station.

[0034] The full-plane condenser online cleaning robot device provided by the utility model can be installed and used as a whole, or the detachable main transmission nut 3, the auxiliary transmission pair 4, the auxiliary transmission driving assembly 5 and the water spraying pipe 6 can be replaced and installed on the basis of the main transmission pair product, so that the cleaning capacity and cleaning coverage are improved, the function is upgraded, and the specific implementation is as follows.

[0035] When the device is integrally installed, the full-plane condenser online cleaning robot device of the utility model is completely installed, and the function of the principle is realized.

[0036] When the function is upgraded, the main transmission pair 2 component of the original screw transmission type condenser online cleaning robot is reserved, the original product main transmission nut and the water spraying pipe and other components are removed, the detachable main transmission nut 3, the auxiliary transmission pair 4, the auxiliary transmission driving assembly 5 and the water spraying pipe 6 of the utility model are installed, thereby realizing the new function of the above principle, improving the cleaning capacity and the cleaning coverage, and realizing the function upgrade.

[0037] The above only is the preferred implementation manner of the utility model, and it should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the utility model, a plurality of improvements can be made, and these improvements should also be regarded as the protection range of the utility model.

Claims

1. A robotic device for online cleaning of a full-plane condenser suitable for seawater-cooled units, characterized in that, It includes a main drive pair, a secondary drive pair, a secondary drive drive assembly, a water spray pipe, and a water inlet pipe; the main drive pair is installed on the water chamber shell in a horizontal or vertical direction; the secondary drive pair is movably mounted on the main drive pair via the secondary drive drive assembly, and the direction of movement is perpendicular to the installation direction of the main drive pair; the water inlet pipe is fixed on the water chamber shell and connected to the water spray pipe; the water spray pipe is mounted on the secondary drive pair and moves in both horizontal and vertical directions within the cleaning plane based on the combined drive of the main drive pair and the secondary drive pair; the length direction of the water spray pipe is consistent with the movement direction of the secondary drive pair; the water spray pipe has multiple nozzles along its length, and the nozzles are arranged in a single row.

2. The online cleaning robot device for full-plane condensers according to claim 1, characterized in that, The number of nozzles is less than 20.

3. The online cleaning robot device for full-plane condensers according to claim 2, characterized in that, The water spray pipe is equipped with a segmented guide rail adapted to the auxiliary drive pair; each end of the segmented guide rail is equipped with a track limiting block.

4. The online cleaning robot device for full-plane condensers according to claim 3, characterized in that, Both the main drive pair and the secondary drive pair adopt screw and nut transmission.

5. The online cleaning robot device for full-plane condensers according to claim 4, characterized in that, The main drive pair includes a servo motor, a main drive screw, and a main drive nut; the main drive screw is rotatably mounted on the water chamber shell; the servo motor is fixedly mounted on the water chamber shell and is connected to the main drive screw via a reducer; the main drive nut is detachably mounted on the main drive screw.

6. The online cleaning robot device for full-plane condensers according to claim 5, characterized in that, The auxiliary transmission pair includes an auxiliary transmission screw and a drive copper sleeve; a transmission gear is fixedly mounted on the periphery of the drive copper sleeve; the auxiliary transmission drive assembly uses a servo motor, a reducer, and gear transmission to transmit power to the auxiliary transmission pair through the transmission gear; there are two main transmission pairs, and the two ends of the auxiliary transmission screw are respectively rotatably mounted on the main transmission nuts of the two main transmission pairs; the water spray pipe is rotatably connected to the drive copper sleeve; multiple sliders are provided on the auxiliary transmission screw, and the water spray pipe moves on the corresponding sliders through a segmented guide rail.

7. The online cleaning robot device for full-plane condensers according to claim 6, characterized in that, The main drive nut and drive copper sleeve are made of aluminum bronze, while the main drive screw, auxiliary drive screw, drive gear, auxiliary drive nut, and water spray pipe are all made of SAF2205 duplex stainless steel. The auxiliary drive assembly is equipped with a protective cover on the outside. The drive copper sleeve adopts a dynamic sealing design.

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