Automatic cleaning device for steam flowmeter scale

Abstract

This utility model provides an automatic scale cleaning device for steam flow meters, including a drive motor and a transmission shaft installed at the front end of the drive motor. A base plate is fixedly connected to the outer wall of the front end of the transmission shaft. Multiple fixing rings are fixedly connected to the outer wall of the front end of the base plate. Scrapers are fixedly connected to the inner circular walls of the multiple fixing rings. A first brush and a second brush are respectively provided on the left and right sides of the multiple scrapers to conform to the surface of the steam flow meter. A first fixing strip is provided on the lower side of the first brush, and a second fixing strip is provided on the lower side of the second brush. By installing the first brush and the second brush, when the scraper cleans the scale on the surface of the steam flow meter, the first brush and the second brush can assist in cleaning the scale on the surface of the steam flow meter, avoiding damage to the surface of the steam flow meter caused by the scraper. The brushes can conform to the surface of the steam flow meter for more comprehensive cleaning of the scale.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary equipment for flow meters, specifically to an automatic scale cleaning device for steam flow meters. Background Technology

[0002] An automatic scale removal device for steam flow meters is an auxiliary device used to ensure accurate measurement and stable operation of steam flow meters. Its main function is to automatically remove the scale layer formed by impurities, minerals, and other deposits in the steam during use.

[0003] However, when cleaning the scale buildup on the surface of the steam flow meter with a scraper, in order to protect the steam flow meter from damage to the scraper, the scraper cannot completely remove the scale buildup. Utility Model Content

[0004] The present invention aims to provide a plug and wire tester to overcome the shortcomings of the prior art.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: an automatic cleaning device for scale buildup on a steam flow meter, including a drive motor and a transmission shaft installed at the front end of the drive motor;

[0006] A base plate is fixedly connected to the outer wall of the front end of the drive shaft;

[0007] The front outer wall of the base plate is fixedly connected with multiple fixing rings;

[0008] Each of the multiple fixed rings has a scraper fixedly connected to its circular inner wall;

[0009] The left and right sides of the multiple scrapers are respectively provided with a first brush and a second brush to conform to the surface of the steam flow meter.

[0010] Preferably, a first fixing strip is provided on the lower side of the first brush, and a second fixing strip is provided on the lower side of the second brush.

[0011] Preferably, a fixing plate is fixedly connected to the lower outer wall of both the first brush and the second brush.

[0012] Preferably, the upper outer walls of the first and second fixing strips are provided with limiting grooves, and the lower outer walls of the plurality of fixing plates are fixedly connected with positioning plates that are inserted downward into the limiting grooves.

[0013] Preferably, a fixing rod passing through the positioning plate is fixedly connected between the inner walls of the left and right ends of the two limiting grooves to restrict the movement direction of the fixing plate, and a spring is fixedly connected between the outer walls of the left and right ends of the two positioning plates and the inner walls of the left and right ends of the limiting grooves.

[0014] Preferably, the vertical length of the first brush is greater than the vertical length of the second brush, and both the first brush and the second brush are made of nylon fiber material.

[0015] Preferably, a drive mechanism is provided on the rear side of the drive motor, and a push rod is provided inside the drive mechanism to drive the drive motor to move in the forward and backward direction.

[0016] Preferably, both the drive mechanism and the drive motor are electrically connected to an external power source.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. By installing the first and second brushes, when the scraper is cleaning the scale on the surface of the steam flow meter, the first and second brushes can be used to assist in cleaning the scale on the surface of the steam flow meter, avoiding damage to the surface of the steam flow meter caused by the scraper. The brushes can fit against the surface of the steam flow meter to clean the scale more thoroughly.

[0019] 2. By installing a fixing rod, positioning plate, and spring, when the first and second brushes come into contact with the steam flow meter, the power generated is transmitted through the positioning plate to the spring fitted on the fixing rod. This causes the first and second brushes to vibrate under the vibration of the spring. The vibration allows the bristles to penetrate into various tiny gaps, holes, and irregular areas on the surface of the steam flow meter. The adhesion between the deposits and the surface of the steam flow meter is gradually weakened under this high-frequency vibration, making it easier for subsequent scrapers or brushes to clean, thus significantly improving the cleaning efficiency of stubborn deposits. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the automatic scaling cleaning device for steam flow meters according to this utility model.

[0022] Figure 2 This is a partial structural schematic diagram of the drive mechanism area of ​​this utility model from a side view.

[0023] Figure 3 This is a partial structural diagram of the scraper area of ​​this utility model.

[0024] Figure 4This is a partial structural schematic diagram of the front cross-section of the first and second fixing strip regions of this utility model.

[0025] In the diagram: 1. Drive mechanism; 2. Drive motor; 3. Transmission shaft; 4. Base plate; 5. Fixing ring; 6. Scraper; 7. Top rod; 8. First fixing strip; 9. First brush; 10. Second fixing strip; 11. Second brush; 12. Fixing plate; 13. Fixing rod; 14. Limiting groove; 15. Positioning plate; 16. Spring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figure 1-4 The automatic scale cleaning device for the steam flow meter shown includes a drive motor 2 and a transmission shaft 3 installed at the front end of the drive motor 2.

[0028] A base plate 4 is fixedly connected to the outer wall of the front end of the drive shaft 3;

[0029] Multiple fixing rings 5 ​​are fixedly connected to the front outer wall of the base plate 4;

[0030] Scrapers 6 are fixedly connected to the inner walls of multiple fixed rings 5. When the power of the drive motor 2 is turned on, the drive motor 2 starts to run and drives the base plate 4, fixed rings 5 ​​and scrapers 6 to rotate together through the transmission shaft 3. As the device continues to rotate, the scrapers 6 first contact the scale on the surface of the steam flow meter. Using the centrifugal force generated by the rotation and the sharpness of its own blade, the scale is scraped off. Thicker and larger scale is peeled off the surface of the steam flow meter under the action of the scrapers 6. The operation of the cleaning device is stopped periodically according to a certain time interval or cleaning number of times to check the wear of the blades 6. If the wear is serious, it is replaced or re-sharpened in time to maintain the scraping ability of the scrapers 6.

[0031] Multiple scrapers 6 are provided with first brushes 9 and second brushes 11 on their left and right sides respectively to fit the surface of the steam flow meter. When the scraper 6 rotates, the first brushes 9 and second brushes 11 on the left and right sides of the scraper 6 also come into contact with the surface of the steam flow meter during the rotation. Their bristles can sweep away the small dirt particles that the scraper 6 scrapes off but does not completely remove, and gently wipe the surface of the steam flow meter to further improve the cleanliness.

[0032] like Figure 3 and Figure 4As shown, a first fixing strip 8 is provided on the lower side of the first brush 9, and a second fixing strip 10 is provided on the lower side of the second brush 11. Fixing plates 12 are fixedly connected to the lower outer walls of the first brush 9 and the second brush 11. Limiting grooves 14 are opened inside the upper outer walls of the first fixing strip 8 and the second fixing strip 10. Positioning plates 15 that are inserted downward into the limiting grooves 14 are fixedly connected to the center of the lower outer walls of the multiple fixing plates 12. Fixing rods 13 that pass through the positioning plates 15 are fixedly connected between the left and right inner walls of the two limiting grooves 14 to restrict the movement direction of the fixing plates 12. Springs 16 are fixedly connected between the left and right outer walls of the two positioning plates 15 and the left and right inner walls of the limiting grooves 14.

[0033] During the cleaning process, due to the unevenness of the surface of the steam flow meter and the uneven distribution of the accumulated dirt, the brush will be subject to resistance of different directions and magnitudes during rotation. This resistance causes the positioning plate 15 to shift along the direction of the fixed rod 13 within the limiting groove 14, thereby continuously compressing or stretching the spring 16. The elastic force of the spring 16 causes the positioning plate 15, the fixed plate 12, and the brush to vibrate. During the vibration, the brush bristles contact the surface of the steam flow meter at different angles and intensities, performing a more comprehensive and meticulous cleaning of the surface. The vibration helps the brush bristles penetrate into the fine gaps and irregular areas of the steam flow meter surface, cleaning away residual dirt.

[0034] like Figure 4 As shown, the vertical length of the first brush 9 is greater than the vertical length of the second brush 11, and both the first brush 9 and the second brush 11 are made of nylon fiber material.

[0035] The longer first brush 9 can first contact the dirt at relatively high positions on the surface of the steam flow meter, or go deep into some narrower, internal areas for preliminary cleaning, while the shorter second brush 11 can further clean the dirt remaining at lower positions or shallower areas after the first brush 9 has cleaned.

[0036] like Figure 1 and Figure 2 As shown, a drive mechanism 1 is provided on the rear side of the drive motor 2. A push rod 7 is provided inside the drive mechanism 1 to drive the drive motor 2 to move in the forward and backward direction. Both the drive mechanism 1 and the drive motor 2 are electrically connected to an external power source.

[0037] The drive mechanism 1 located behind the drive motor 2 has a push rod 7 inside that can drive the drive motor 2 to move back and forth under the action of the drive mechanism 1. This can adjust the distance between the cleaning component and the surface of the steam flow meter, thereby thoroughly cleaning the surface of the steam flow meter.

[0038] The implementation principle of this embodiment is as follows: When the power supply of the drive motor 2 is turned on, the drive motor 2 starts to run, and drives the base plate 4, the fixing ring 5 and the scraper 6 to rotate together through the transmission shaft 3. As the device continues to rotate, the scraper 6 first contacts the scale on the surface of the steam flow meter. Using the centrifugal force generated by the rotation and the sharpness of its own blade, the scale is scraped off. Thicker and larger scale is peeled off the surface of the steam flow meter under the action of the scraper 6. The operation of the cleaning device is stopped periodically according to a certain time interval or cleaning number of times to check the wear of the blade of the scraper 6. If the wear is serious, it is replaced or re-sharpened in time to maintain the scraping ability of the scraper 6. When the scraper 6 rotates, the first brush 9 and the second brush 11 located on the left and right sides of the scraper 6 also come into contact with the surface of the steam flow meter during the rotation. Their bristles can sweep away the small scale particles that the scraper 6 scrapes off but does not completely remove, and gently wipe the surface of the steam flow meter to further improve the cleanliness.

[0039] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0040] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. Automatic cleaning device for scale buildup of steam flow meter, including drive motor (2) and transmission shaft (3) installed at the front end of drive motor (2); The front end outer wall of the drive shaft (3) is fixedly connected to the base plate (4); The outer wall of the front end of the base plate (4) is fixedly connected with multiple fixing rings (5); Each of the multiple fixed rings (5) has a scraper (6) fixedly connected to its circular inner wall; characterized in that The left and right sides of the multiple scrapers (6) are respectively provided with a first brush (9) and a second brush (11) to fit the surface of the steam flow meter.

2. The steam flow meter fouling self-cleaning device of claim 1, wherein: The first brush (9) has a first fixing strip (8) on its lower side, and the second brush (11) has a second fixing strip (10) on its lower side.

3. The steam flow meter fouling self-cleaning device of claim 2, wherein: The lower outer walls of the first brush (9) and the second brush (11) are both fixedly connected to a fixing plate (12).

4. The steam flow meter fouling self-cleaning device of claim 3, wherein: The upper outer walls of the first fixing strip (8) and the second fixing strip (10) are provided with limiting grooves (14), and the lower outer walls of the multiple fixing plates (12) are fixedly connected with positioning plates (15) that are inserted downward into the limiting grooves (14).

5. The steam flow meter fouling self-cleaning device of claim 4, wherein: A fixing rod (13) passing through the positioning plate (15) is fixedly connected between the inner walls of the left and right ends of the two limiting grooves (14) to restrict the movement direction of the fixing plate (12). A spring (16) is fixedly connected between the outer walls of the left and right ends of the two positioning plates (15) and the inner walls of the left and right ends of the limiting grooves (14).

6. The steam flow meter fouling automatic cleaning device of claim 1, wherein: The vertical length of the first brush (9) is greater than that of the second brush (11), and both the first brush (9) and the second brush (11) are made of nylon fiber material.

7. The automatic scale cleaning device for steam flow meters according to claim 1, characterized in that: A drive mechanism (1) is provided on the rear side of the drive motor (2), and a push rod (7) is provided inside the drive mechanism (1) to drive the drive motor (2) to move in the forward and backward direction.

8. The steam flow meter scale automatic cleaning device of claim 7, wherein: Both the drive mechanism (1) and the drive motor (2) are electrically connected to an external power source.

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