阅读说明：本技术 一种可用于汽轮机冷凝器管清洗的装置 (Device for cleaning condenser pipe of steam turbine ) 是由 李威彤 于 2021-01-25 设计创作，主要内容包括：本发明涉及汽轮机相关领域,公开了一种可用于汽轮机冷凝器管清洗的装置,包括主箱体,主箱体内设有左右贯通的水流流通腔,水流流通腔右侧设有开口向右的运动块滑动腔,主箱体左端面固定连接有水管,水管内设有开口向右与所述水流流通腔连通的水管腔,利用高速水流带动螺旋刮刀转动,使得冷凝器管壁上比较顽固的污垢能顺利刮下,向左侧射出的水流在冲洗冷凝器管壁的同时带动螺旋刮刀向右运动,确保了冷凝器管壁清洗效果,同时利用转动的转动块驱动运动轮转动,使得装置能在冷凝器管壁中顺利向右移动,确保装置能顺利清洗整个冷凝器管壁,在收回转动块的同时能对冷凝器管壁进行二次清洗,进一步提高了冷凝器管壁清洗效果。(The invention relates to the relevant field of steam turbines, and discloses a device for cleaning a condenser pipe of a steam turbine, which comprises a main box body, wherein a water flow circulation cavity which is communicated from left to right is arranged in the main box body, a moving block sliding cavity with a rightward opening is arranged on the right side of the water flow circulation cavity, a water pipe is fixedly connected to the left end surface of the main box body, a water pipe cavity with a rightward opening communicated with the water flow circulation cavity is arranged in the water pipe, a spiral scraper is driven to rotate by high-speed water flow, so that stubborn dirt on the pipe wall of the condenser can be smoothly scraped off, the water flow jetted to the left side drives the spiral scraper to move rightwards while flushing the pipe wall of the condenser, the cleaning effect of the pipe wall of the condenser is ensured, meanwhile, a rotating block is used for driving a moving wheel to rotate, so that the device can smoothly move rightwards in the pipe, further improving the cleaning effect of the condenser pipe wall.)

1. The utility model provides a can be used to abluent device of steam turbine condenser pipe, includes the main tank body, its characterized in that: the improved water circulation structure is characterized in that a water flow circulation cavity which is communicated with the left and right is arranged in the main box body, a motion block sliding cavity with a right opening is arranged on the right side of the water flow circulation cavity, a water pipe fixedly connected with the left end face of the main box body is arranged in the water pipe, a water pipe cavity with a right opening communicated with the water flow circulation cavity is arranged in the water pipe, a motor fixedly connected with the main box body is arranged on the upper side of the water flow circulation cavity, a wire wheel cavity is arranged on the right side of the wire wheel cavity, a wire wheel cavity is arranged on the right end face of the motor, the wire wheel cavity extends through the wire wheel cavity rightwards, the slider cavity reaches the motor shaft in the right end wall of the slider cavity, a wire wheel in the wire wheel cavity is fixedly connected with the motor shaft, a threaded shaft sleeve in the slider cavity is fixedly connected with the threaded sleeve in the motor shaft in a matched manner, a The slider spring of heart bilateral symmetry, the interior fixedly connected with of slider chamber upper end wall is located the slider left side and with the left side response piece that the slider corresponds, the interior fixedly connected with of slider chamber lower extreme wall is located the slider right side and with the right side response piece that the slider corresponds, motion piece slip intracavity sliding fit is connected with the motion piece, motion piece internal rotation fit is connected with the turning block that extends to the external world right, turning block right-hand member face fixedly connected with water conservancy diversion head.

2. The apparatus of claim 1 for cleaning steam turbine condenser tubes, wherein: the lower side of the wire wheel cavity is provided with a guide wheel cavity positioned on the upper side of the water flow circulation cavity, the front end wall of the guide wheel cavity is connected with a guide wheel shaft which extends backwards and penetrates through the guide wheel cavity to the rear end wall of the guide wheel cavity in a rotating and matching manner, the guide wheel shaft is fixedly connected with a guide wheel positioned in the guide wheel cavity, the wire wheel is fixedly connected with a pull wire which extends downwards and penetrates through the other end of the guide wheel cavity, is fixedly connected with the left end face of the movement block and is abutted against the outer circular face of the guide wheel, the movement block is internally provided with an annular rack cavity which is annularly arranged by taking the rotation block as the center and has an inward opening, the outer circular face of the rotation block is fixedly connected with an annular rack which is annularly arranged by taking the rotation block as the center and is rotatably and cooperatively connected with the annular rack cavity, and the outer circular face of the rotation block, the movable block is characterized in that a spiral piece rotating cavity with a leftward opening is formed in the rotating block, a spiral piece is fixedly connected to the wall of the right end of the spiral piece rotating cavity, the upper side and the lower side of the spiral piece rotating cavity are communicated with a water flow ejection cavity with an upward opening and a bilaterally symmetrical opening, and a movable wheel cavity with an upward vertical symmetry opening and an upward opening is formed in the movable block.

3. The apparatus of claim 2 for cleaning steam turbine condenser tubes, wherein: a moving wheel shaft cavity is communicated with the front side of the moving wheel cavity at the upper side, a bevel gear cavity is arranged at the front side of the moving wheel shaft cavity, a moving wheel shaft which extends rightwards into the bevel gear cavity and leftwards into the moving wheel cavity is connected in a sliding fit manner in the moving wheel shaft cavity, a moving wheel which is connected with the moving wheel cavity in a sliding fit manner is fixedly connected at the tail end of the left side of the moving wheel shaft, a bevel gear is fixedly connected at the tail end of the right side of the moving wheel shaft, a bevel gear transmission cavity is arranged at the lower side of the bevel gear cavity, a transmission shaft which extends upwards into the bevel gear cavity and downwards into the bevel gear transmission cavity is connected in a rotating fit manner in the upper end wall of the bevel gear transmission cavity, a bevel gear shaft sleeve positioned in the bevel gear cavity is connected on the transmission shaft in, the bevel gear shaft sleeve is characterized in that the tail end of the lower side of the bevel gear shaft sleeve is connected with a bevel gear shaft sleeve seat in a rotating fit mode, a transmission shaft through cavity which is communicated up and down is arranged in the bevel gear shaft sleeve seat, the transmission shaft penetrates through the transmission shaft through cavity, and a sliding shaft sleeve spring is fixedly connected between the lower end face of the bevel gear shaft sleeve seat and the lower end wall of the bevel gear cavity.

4. An apparatus for cleaning steam turbine condenser tubes as claimed in claim 3 wherein: the tail end of the lower side of the transmission shaft is fixedly connected with a lower bevel gear, the annular gear cavity is communicated with a gear cavity positioned on the left side of the bevel gear transmission cavity, the right end wall of the gear cavity is connected with a gear shaft which extends through the bevel gear transmission cavity to the right end wall of the bevel gear transmission cavity in a rotating fit manner, the left end of the gear shaft is fixedly connected with a gear cavity meshed with the annular gear, the gear shaft is connected with a sliding shaft sleeve positioned in the bevel gear transmission cavity in a spline fit manner, in an initial state, the left and right ends of the sliding shaft sleeve are fixedly connected with shaft sleeve seats which are bilaterally symmetrical by taking the transmission shaft as a center, a gear shaft through cavity which is communicated from left to right is arranged in the shaft sleeve seats, the gear shaft penetrates through the gear shaft through cavity, and a spring is fixedly connected between the end surface, the bevel gear transmission mechanism is characterized in that a right electromagnet in rotation fit connection with the gear shaft is fixedly connected to the right end wall of the bevel gear transmission cavity, a left electromagnet in rotation fit connection with the gear shaft is fixedly connected to the left end wall of the bevel gear transmission cavity, and transmission bevel gears which are bilaterally symmetrical with the transmission shaft as the center are fixedly connected to the sliding shaft sleeve.

Technical Field

The invention relates to the field of steam turbines, in particular to a device for cleaning a condenser pipe of a steam turbine.

Background

The condenser is a heat exchanger which condenses the steam discharged by a steam turbine into water, also called as a water re-heater, when a cooling water pipe in the condenser is scaled or blocked by foreign matters, the normal work of the condenser is destroyed, and the vacuum is reduced, so that the condenser is cleaned at regular time, the condenser is important to clean.

Disclosure of Invention

The invention aims to provide a device for cleaning a condenser tube of a steam turbine, which can overcome the defects of the prior art and improve the practicability of equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a device for cleaning a condenser pipe of a steam turbine, which comprises a main box body, wherein a water flow circulation cavity which is communicated with the left and the right is arranged in the main box body, a moving block sliding cavity with a rightward opening is arranged at the right side of the water flow circulation cavity, a water pipe is fixedly connected to the left end surface of the main box body, a water pipe cavity with a rightward opening communicated with the water flow circulation cavity is arranged in the water pipe, a motor fixedly connected with the main box body is arranged at the upper side of the water flow circulation cavity, a wire wheel cavity is arranged at the right side of the motor, a slide block cavity is arranged at the right side of the wire wheel cavity, a motor shaft which extends through the wire wheel cavity and the slide block cavity to the right end wall of the slide block cavity is fixedly connected to the right end surface of the motor, a wire wheel positioned in the wire wheel cavity is fixedly connected to the motor shaft, a threaded shaft sleeve positioned in the, terminal surface about the slider with equal fixedly connected with uses between the end wall about the slider chamber the slider is central bilateral symmetry's slider spring, slider chamber upper end wall internal fixation is connected with be located the slider left side and with the left side response piece that the slider corresponds, slider chamber lower extreme wall internal fixation is connected with the slider right side and with the right side response piece that the slider corresponds, motion piece sliding cavity sliding fit is connected with the motion piece, motion piece internal rotation fit is connected with the turning block that extends to external right, turning block right-hand member face fixedly connected with water conservancy diversion head.

On the basis of the technical scheme, a guide wheel cavity positioned on the upper side of the water flow circulation cavity is arranged on the lower side of the wire wheel cavity, a guide wheel shaft which extends backwards and penetrates through the guide wheel cavity to the rear end wall of the guide wheel cavity is connected to the front end wall of the guide wheel cavity in a rotating and matching manner, a guide wheel positioned in the guide wheel cavity is fixedly connected to the guide wheel shaft, a pull wire which extends downwards and penetrates through the other end of the guide wheel cavity and is fixedly connected with the left end face of the motion block and abutted against the outer circular face of the guide wheel is fixedly connected to the wire wheel, an annular rack cavity which is annularly arranged by taking the rotation block as the center and is provided with an inward opening is arranged in the motion block, an annular rack which is annularly arranged by taking the rotation block as the center and is connected with the annular rack cavity in a rotating and matching manner, and two spiral scrapers which are vertically symmetrical by taking the rotation block as the, the movable block is characterized in that a spiral piece rotating cavity with a leftward opening is formed in the rotating block, a spiral piece is fixedly connected to the wall of the right end of the spiral piece rotating cavity, the upper side and the lower side of the spiral piece rotating cavity are communicated with a water flow ejection cavity with an upward opening and a bilaterally symmetrical opening, and a movable wheel cavity with an upward vertical symmetry opening and an upward opening is formed in the movable block.

On the basis of the technical scheme, the front side of the upper moving wheel cavity is communicated with a moving wheel shaft cavity, the front side of the moving wheel shaft cavity is provided with a bevel gear cavity, the moving wheel shaft cavity is connected with a moving wheel shaft which extends rightwards into the bevel gear cavity and leftwards into the moving wheel cavity in a sliding fit manner, the tail end of the left side of the moving wheel shaft is fixedly connected with a moving wheel which is connected with the moving wheel cavity in a sliding fit manner, the tail end of the right side of the moving wheel shaft is fixedly connected with a bevel gear, the lower side of the bevel gear cavity is provided with a bevel gear transmission cavity, the upper end wall of the bevel gear transmission cavity is connected with a transmission shaft which extends upwards into the bevel gear cavity and downwards into the bevel gear transmission cavity in a rotating fit manner, the transmission shaft is connected with a bevel gear shaft sleeve positioned in the bevel gear cavity in a spline, the bevel gear shaft sleeve is characterized in that the tail end of the lower side of the bevel gear shaft sleeve is connected with a bevel gear shaft sleeve seat in a rotating fit mode, a transmission shaft through cavity which is communicated up and down is arranged in the bevel gear shaft sleeve seat, the transmission shaft penetrates through the transmission shaft through cavity, and a sliding shaft sleeve spring is fixedly connected between the lower end face of the bevel gear shaft sleeve seat and the lower end wall of the bevel gear cavity.

On the basis of the technical scheme, the tail end of the lower side of the transmission shaft is fixedly connected with a lower bevel gear, the annular rack cavity is communicated with a gear cavity positioned on the left side of the bevel gear transmission cavity, the right end wall of the gear cavity is connected with a gear shaft which extends through the bevel gear transmission cavity to the right end wall of the bevel gear transmission cavity rightwards in a rotating fit manner, the tail end of the left side of the gear shaft is fixedly connected with a gear cavity meshed with the annular rack, the gear shaft is connected with a sliding shaft sleeve positioned in the bevel gear transmission cavity in a spline fit manner, in an initial state, the tail ends of the left side and the right side of the sliding shaft sleeve are fixedly connected with shaft sleeve seats which are bilaterally symmetrical by taking the transmission shaft as a center, a gear shaft through cavity which is communicated from left to right is arranged in each shaft sleeve seat, the gear shaft passes through the gear shaft, the bevel gear transmission mechanism is characterized in that a right electromagnet in rotation fit connection with the gear shaft is fixedly connected to the right end wall of the bevel gear transmission cavity, a left electromagnet in rotation fit connection with the gear shaft is fixedly connected to the left end wall of the bevel gear transmission cavity, and transmission bevel gears which are bilaterally symmetrical with the transmission shaft as the center are fixedly connected to the sliding shaft sleeve.

The invention has the beneficial effects that: utilize high-speed rivers to drive the spiral scraper and rotate, make the more stubborn dirt on the condenser pipe wall scrape down smoothly, rivers that jet out to the left side drive the spiral scraper and move right when washing the condenser pipe wall, condenser pipe wall cleaning performance has been ensured, utilize pivoted turning block drive motion wheel to rotate simultaneously, make the device can remove right smoothly in the condenser pipe wall, ensure that the device can wash whole condenser pipe wall smoothly, can carry out the secondary to the condenser pipe wall when withdrawing the turning block and wash, condenser pipe wall cleaning performance has further been improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the overall structure of an apparatus of the present invention for cleaning condenser tubes of a steam turbine.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is a schematic diagram of the structure B-B in fig. 2.

Fig. 4 is an enlarged schematic view of C in fig. 2.

Fig. 5 is an enlarged schematic view of D in fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The device for cleaning the condenser tube of the steam turbine described in conjunction with the attached drawings 1-5 comprises a main box 10, a water flow cavity 34 which is through from left to right is arranged in the main box 10, a moving block sliding cavity 21 with a rightward opening is arranged on the right side of the water flow cavity 34, a water pipe 36 is fixedly connected to the left end surface of the main box 10, a water pipe cavity 35 with a rightward opening communicated with the water flow cavity 34 is arranged in the water pipe 36, a motor 11 fixedly connected with the main box 10 is arranged on the upper side of the water flow cavity 34, a pulley cavity 13 is arranged on the right side of the motor 11, a slider cavity 19 is arranged on the right side of the pulley cavity 13, a motor shaft 12 which extends through the pulley cavity 13 and the slider cavity 19 to the right end wall of the slider cavity 19 from right is fixedly connected to the right end surface of the motor 11, and a pulley 15 which is positioned in the pulley cavity 13 is fixedly connected to the motor, a threaded shaft sleeve 18 positioned in the slide block cavity 19 is fixedly connected to the motor shaft 12, the thread shaft sleeve 18 is connected with a slide block 17 which is connected with the slide block cavity 19 in a sliding fit manner in a threaded fit manner, slide block springs 20 which are symmetrical left and right with the slide block 17 as the center are fixedly connected between the left and right end surfaces of the slide block 17 and the left and right end walls of the slide block cavity 19, a left induction block 16 which is positioned at the left side of the sliding block 17 and corresponds to the sliding block 17 is fixedly connected in the upper end wall of the sliding block cavity 19, a right induction block 40 which is positioned at the right side of the sliding block 17 and corresponds to the sliding block 17 is fixedly connected in the lower end wall of the sliding block cavity 19, the moving block sliding cavity 21 is connected with a moving block 31 in a sliding fit mode, the moving block 31 is connected with a rotating block 24 which extends to the outside rightwards in a rotating fit mode, and the right end face of the rotating block 24 is fixedly connected with a flow guide head 25.

In addition, in one embodiment, a guide wheel cavity 37 located on the upper side of the water flow circulation cavity 34 is arranged on the lower side of the wire wheel cavity 13, a guide wheel shaft 39 extending backwards through the guide wheel cavity 37 to the rear end wall of the guide wheel cavity 37 is connected to the front end wall of the guide wheel cavity 37 in a rotationally matched manner, a guide wheel 38 located in the guide wheel cavity 37 is fixedly connected to the guide wheel shaft 39, a pull wire 14 extending downwards through the guide wheel cavity 37 and fixedly connected to the left end face of the moving block 31 and abutting against the outer circumferential face of the guide wheel 38 is fixedly connected to the wire wheel 15, an annular rack cavity 33 arranged with the rotating block 24 as a central ring and having an inward opening is arranged in the moving block 31, an annular rack 32 arranged with the rotating block 24 as a central ring and rotatably matched and connected to the annular rack cavity 33 is fixedly connected to the outer circumferential face of the rotating block 24, and two annular rack cavities arranged with the rotating block 24 as a central ring and located symmetrically up and down and located on the outer circumferential The spiral scraper 22 on the right side of the moving block 31 is characterized in that a spiral piece rotating cavity 26 with a leftward opening is formed in the rotating block 24, a spiral piece 27 is fixedly connected to the wall of the right end of the spiral piece rotating cavity 26, the upper side and the lower side of the spiral piece rotating cavity 26 are communicated with a water flow ejection cavity 23 with an upward opening and a bilaterally symmetric opening, and a moving wheel cavity 28 with an upward vertical symmetry and an upward opening is formed in the moving block 31.

In addition, in one embodiment, a moving wheel shaft cavity 56 is communicated with the front side of the moving wheel cavity 28 at the upper side, a bevel gear cavity 45 is arranged at the front side of the moving wheel shaft cavity 56, a moving wheel shaft 29 which extends rightwards into the bevel gear cavity 45 and leftwards into the moving wheel cavity 28 is connected in a sliding fit manner in the moving wheel shaft cavity 56, a moving wheel 30 which is connected with the moving wheel cavity 28 in a sliding fit manner is fixedly connected at the left end of the moving wheel shaft 29, a bevel gear 44 is fixedly connected at the right end of the moving wheel shaft 29, a bevel gear transmission cavity 53 is arranged at the lower side of the bevel gear cavity 45, a transmission shaft 54 which extends upwards into the bevel gear cavity 45 and downwards into the bevel gear transmission cavity 53 is connected in a rotating fit manner in the upper end of the bevel gear transmission cavity 53, a bevel gear sleeve 47 positioned in the bevel gear cavity 45 is connected on the transmission shaft 54 in a spline fit, the end of the upper side of the bevel gear shaft sleeve 47 is fixedly connected with a sliding bevel gear 46 meshed with the bevel gear 44, the end of the lower side of the bevel gear shaft sleeve 47 is connected with a bevel gear shaft sleeve seat 48 in a rotating fit mode, a transmission shaft through cavity 49 which is communicated up and down is arranged in the bevel gear shaft sleeve seat 48, the transmission shaft 54 penetrates through the transmission shaft through cavity 49, and a sliding shaft sleeve spring 55 is fixedly connected between the lower end face of the bevel gear shaft sleeve seat 48 and the lower end wall of the bevel gear cavity 45.

In addition, in one embodiment, the lower bevel gear 50 is fixedly connected to the lower end of the transmission shaft 54, the annular gear cavity 33 is communicated with a gear cavity 43 located at the left side of the bevel gear transmission cavity 53, a gear shaft 58 extending through the bevel gear transmission cavity 53 to the right end wall of the bevel gear transmission cavity 53 is connected to the right end wall of the gear cavity 43 in a rotating fit manner, the gear cavity 43 engaged with the annular gear 32 is fixedly connected to the left end of the gear shaft 58, a sliding shaft sleeve 61 located in the bevel gear transmission cavity 53 is connected to the gear shaft 58 in a spline fit manner, in an initial state, shaft sleeve seats 60 symmetrical to the transmission shaft 54 in the left and right directions are fixedly connected to the left and right ends of the sliding shaft sleeve 61, a left and right through gear shaft through cavity 62 is arranged in the shaft sleeve seats 60, a spring 59 is fixedly connected between the end face of the shaft sleeve seat 60 far away from the transmission shaft 54 and the end wall of the bevel gear transmission cavity 53 far away from the transmission shaft 54, a right electromagnet 57 in rotating fit connection with the gear shaft 58 is fixedly connected in the right end wall of the bevel gear transmission cavity 53, a left electromagnet 63 in rotating fit connection with the gear shaft 58 is fixedly connected in the left end wall of the bevel gear transmission cavity 53, and transmission bevel gears 52 which are bilaterally symmetrical by taking the transmission shaft 54 as a center are fixedly connected on the sliding shaft sleeve 61.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

As shown in fig. 1-5, when the device of the present invention is in an initial state, the right electromagnet 57 and the left electromagnet 63 are powered off, the spring 59 is in a relaxed state, the transmission bevel gear 52 is not engaged with the lower bevel gear 50, the sliding sleeve spring 55 is in a compressed state, the sliding bevel gear 46 is always engaged with the bevel gear 44, the left end surface of the moving block 31 is attached to the left end wall of the moving block sliding cavity 21, the sliding block 17 is located in the middle of the threaded sleeve 18, and the sliding block spring 20 is in a relaxed state;

sequence of mechanical actions of the whole device:

when the condenser starts to work, the right end face of the main box body 10 abuts against the surface of the condenser, the moving block 31, the rotating block 24 and the flow guide head 25 are inserted into a condenser pipe, the moving wheel 30 is pressed into the moving wheel cavity 28 by the wall of the condenser pipe, the moving wheel 30 tightly abuts against the wall of the condenser pipe under the elastic force of the sliding shaft sleeve spring 55, at the moment, high-pressure and high-speed water flows through the water flow pipe cavity 35 and the water flow circulation cavity 34 to enter the spiral sheet rotating cavity 26 and then is ejected from the water flow ejection cavity 23 in the oblique left side direction, at the moment, under the action of high-speed water flow, the spiral sheet 27 rotates to drive the rotating block 24 to rotate, so that the spiral scraper 22 rotates, and dirt on;

at this time, the rotating block 24 rotates to drive the annular rack 32 to rotate, so that the rotating block 41 rotates, so that the gear shaft 58 is driven to rotate, meanwhile, the rotating block 24 starts to move rightwards under the thrust action of water flow, so that the moving block 31 moves rightwards, so that the pull wire 14 is pulled, the wire wheel 15 rotates, so that the motor shaft 12 is driven to rotate, so that the threaded shaft sleeve 18 rotates, so that the sliding block 17 is driven to move rightwards to be temporarily disengaged from the threaded shaft sleeve 18, the right sliding block spring 20 is compressed, the left sliding block spring 20 is stretched, so that the sliding block 17 abuts against the right end surface of the threaded shaft sleeve 18, at this time, the sliding block 17 touches the right induction block 40 to electrify the right electromagnet 57, so as to attract the shaft sleeve seat 60 to move rightwards, so that the sliding shaft sleeve 61 moves rightwards to drive the left transmission, the gear shaft 58 rotates to drive the sliding shaft sleeve 61 to rotate, so that the left transmission bevel gear 52 rotates to drive the lower bevel gear 50 to rotate, so that the transmission shaft 54 rotates to drive the bevel gear shaft sleeve 47 to rotate, so that the sliding bevel gear 46 rotates to drive the bevel gear 44 to rotate, so that the moving wheel shaft 29 rotates to drive the moving wheel 30 to rotate, so that the moving block 31 is driven to move rightwards, so that the auxiliary moving block 31 moves rightwards, the rotating spiral scraper 22 moves rightwards, and the purpose of cleaning the pipe wall is achieved;

when the rotating block 24 moves rightwards to the end of the pipe wall, the motor 11 is started, so that the motor shaft 12 rotates reversely, and the threaded shaft sleeve 18 is driven to rotate reversely, and the sliding block 17 moves leftwards to be temporarily separated from the threaded shaft sleeve 18 in threaded fit, so that the left sliding block spring 20 is compressed, the right sliding block spring 20 is stretched, so that the sliding block 17 is propped against the left end surface of the threaded shaft sleeve 18, at this time, the sliding block 17 touches the left induction block 16, so that the left electromagnet 63 is electrified, the sliding block 17 is far away from the right induction block 40, so that the right electromagnet 57 is electrified, the left electromagnet 63 is electrified to attract the sliding shaft sleeve 61 to move leftwards against the elastic force of the spring 59, so that the left spring 59 is compressed, the right spring 59 is stretched, so that the right transmission bevel gear 52 moves leftwards to be meshed with the lower bevel gear 50, the right transmission bevel, thereby driving the rotating block 24 to move leftwards, and realizing the effect of secondarily cleaning the pipe wall.

The invention has the beneficial effects that: utilize high-speed rivers to drive the spiral scraper and rotate, make the more stubborn dirt on the condenser pipe wall scrape down smoothly, rivers that jet out to the left side drive the spiral scraper and move right when washing the condenser pipe wall, condenser pipe wall cleaning performance has been ensured, utilize pivoted turning block drive motion wheel to rotate simultaneously, make the device can remove right smoothly in the condenser pipe wall, ensure that the device can wash whole condenser pipe wall smoothly, can carry out the secondary to the condenser pipe wall when withdrawing the turning block and wash, condenser pipe wall cleaning performance has further been improved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.