Leakage-proof polymer plastic storage tank

Abstract

The utility model provides a leakproof polymer plastic storage tank which comprises a tank body, a plurality of supporting legs are arranged on the periphery of the tank body in the circumferential direction, a mounting shaft is movably arranged on the top of the tank body through a bearing, an impurity scraping rod is fixed to the mounting shaft through a connecting rod, and the impurity scraping rod makes contact with the inner wall of the tank body. A feeding pipe is arranged on the top of the tank body in a communicating mode, a discharging pipe is arranged on one side of the bottom of the tank body in a communicating mode, an impurity discharging pipe is arranged under the tank body in a communicating mode, and a transmission mechanism is connected to the top of a mounting shaft and comprises a transmission shaft, a first bevel gear, a second bevel gear and two belt wheels; the plastic storage tank solves the problems that when an existing plastic storage tank stores chemical substances which are prone to being separated out, the chemical substances are prone to being attached to the inner wall of the tank body, and when the stored substances are replaced, a large amount of time of workers needs to be spent on cleaning the storage tank.

Description

Technical Field

[0001] The utility model relates to the field of plastics, in particular to a leakproof polymer plastic storage tank. Background Art

[0002] Plastic storage tanks are made of polypropylene, reinforced polypropylene, pure polyethylene, namely linear low-density polyethylene LLDPE and HDPE, and are integrally formed using a special rotational molding process.

[0003] Announcement No. CN215515096U discloses a plastic storage tank structure, including an independent tank body, a bottom plate, and a top cover. The tank body is a cylindrical structure with open bottom and top surfaces. The bottom plate and the top cover are welded and fixed to the bottom and top of the tank body respectively; the outer diameter of the bottom plate is larger than the outer diameter of the tank body, and a groove is provided on the top surface of the bottom plate, and the bottom of the tank body is stuck in the groove. The tank body, bottom plate, and top cover of the utility model are independent components, each of which has a simple structure, low manufacturing difficulty, and low manufacturing cost. They can be manufactured on-site. Compared with the traditional method of integrated manufacturing and then transporting, the on-site manufacturing method only needs to transport the required raw materials to the site, manufacture and install on-site, which is less difficult to transport and has lower transportation costs.

[0004] However, when the above-mentioned plastic storage tanks store some easily precipitated chemical substances, such substances are easily attached to the inner wall of the tank, and when the stored substances are replaced, the staff needs to spend a lot of time to clean them.

[0005] Therefore, it is necessary to provide a new leakproof polymer plastic storage tank to solve the above-mentioned technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a leak-proof polymer plastic storage tank, which solves the problem that when storing some easily precipitated chemical substances in existing plastic storage tanks, such substances are easily attached to the inner wall of the tank body, and when replacing the stored substances, the staff needs to spend a lot of time to clean them.

[0007] The leakproof polymer plastic storage tank provided by the utility model comprises a tank body, a plurality of supporting legs are circumferentially arranged around the tank body, a mounting shaft is movably arranged on the top of the tank body through a bearing, a scraping rod is fixed on the mounting shaft through a connecting rod, and the scraping rod is in contact with the inner wall of the tank body;

[0008] The top of the tank body is connected to a feed pipe, the bottom of the tank body is connected to a discharge pipe, and the bottom of the tank body is connected to a waste discharge pipe.

[0009] The top of the installation shaft is connected with a transmission mechanism.

[0010] In a preferred embodiment, a stirring rod is fixed between the mounting shaft and the scraper rod.

[0011] In a preferred embodiment, the transmission mechanism comprises a transmission shaft, a first bevel gear, a second bevel gear and two pulleys, and the first bevel gear is installed on the top of the installation shaft;

[0012] A limit seat is fixed on the top of the tank body, the transmission shaft is movably arranged on the limit seat through a bearing, the second bevel gear is installed on the transmission shaft, and the first bevel gear is meshed with the second bevel gear;

[0013] A mounting frame is fixed on the bottom of the tank body, a rotating shaft is movably arranged on the mounting frame, the rotating shaft and the transmission shaft are both equipped with the pulleys, and the two pulleys are connected by a belt.

[0014] In a preferred embodiment, a closed transmission is adopted between the first bevel gear and the second bevel gear.

[0015] In a preferred embodiment, a sleeve is installed on the rotating shaft, a spline groove is opened on the surface of the sleeve, a motor is arranged on one side of the sleeve, an output end of the motor is connected to a spline shaft through a coupling, and the spline shaft is used in conjunction with the spline groove.

[0016] In a preferred embodiment, a pad is provided directly below the sleeve, and the motor is detachably mounted on the pad.

[0017] Beneficial effects of the utility model:

[0018] After long-term use, when there are too many impurities attached to the inner wall of the tank and need to be cleaned, the staff can add chemical cleaning substances into the tank through the feed pipe, and after simply fixing the motor, start the motor to drive one of the pulleys to rotate. Under the transmission action of the two pulleys, the belt, the first bevel gear and the second bevel gear, the installation shaft rotates to drive the stirring rod and the scraping rod to rotate. The stirring rod can speed up the cleaning speed of the chemical reagent, and the scraping rod can scrape off the stubborn objects attached to the inside of the tank. Finally, open the valve of the impurity discharge pipe to discharge the impurities to complete the cleaning. The operation is simple and convenient, and the motor used to drive the installation shaft to rotate is located on the ground, which is easy to disassemble. After one cleaning is completed, it can be transferred for other purposes.

[0019] The discharge pipe and the impurity discharge pipe are both provided with elastic seat sealing gate valves, which have a good leak-proof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1A three-dimensional view of the main structure of the leakproof polymer plastic storage tank provided by the utility model;

[0021] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of shown;

[0022] Figure 3 This is a plan view of the main structure of the leakproof polymer plastic storage tank provided by the utility model.

[0023] Numbers in the figure: 1. tank body; 2. supporting leg; 3. mounting shaft; 4. connecting rod; 5. scraper rod; 6. feed pipe; 7. discharge pipe; 8. debris removal pipe; 9. stirring rod; 10. transmission shaft; 11. first bevel gear; 12. second bevel gear; 13. pulley; 14. limit seat; 15. mounting frame; 16. rotating shaft; 17. belt; 18. sleeve; 19. spline groove; 20. motor; 21. spline shaft; 22. pad. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] Please refer to Figure 1 , Figure 2 as well as Figure 3 ,in Figure 1 A three-dimensional view of the main structure of the leakproof polymer plastic storage tank provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the enlarged structure of shown; Figure 3 This is a plan view of the main structure of the leakproof polymer plastic storage tank provided by the utility model.

[0026] In the specific implementation process, Figure 1-Figure 3 As shown, it includes a tank body 1, and a plurality of supporting legs 2 are circumferentially arranged around the tank body 1. A mounting shaft 3 is movably arranged on the top of the tank body 1 through a bearing. A scraper rod 5 is fixed on the mounting shaft 3 through a connecting rod 4. The scraper rod 5 contacts the inner wall of the tank body 1. Impurities attached to the inner wall of the tank body 1 can be scraped off by the scraper rod 5. A stirring rod 9 is fixed between the mounting shaft 3 and the scraper rod 5, which can stir the added liquid chemical reagent. A feed pipe 6 is connected to the top of the tank body 1, a discharge pipe 7 is connected to one side of the bottom of the tank body 1, and a debris discharge pipe 8 is connected directly below the tank body 1. The discharge pipe 7 and the debris discharge pipe 8 are both provided with elastic seat sealing gate valves, which have a good leakage prevention effect. When not cleaning, the valve at the slag discharge pipe 8 can be closed to prevent the stored liquid from leaking.

[0027] A transmission mechanism is connected to the top of the mounting shaft 3, and the transmission mechanism includes a transmission shaft 10, a first bevel gear 11, a second bevel gear 12 and two pulleys 13. The first bevel gear 11 is installed on the top of the mounting shaft 3, and a limit seat 14 is fixed on the top of the tank body 1. The transmission shaft 10 is movably provided on the limit seat 14 through a bearing. The second bevel gear 12 is installed on the transmission shaft 10. The first bevel gear 11 is meshed with the second bevel gear 12. A closed transmission is adopted between the first bevel gear 11 and the second bevel gear 12 to reduce wear and increase their service life.

[0028] A mounting frame 15 is fixed at the bottom of the tank body 1, and a rotating shaft 16 is movably provided on the mounting frame 15. Pulleys 13 are installed on the rotating shaft 16 and the transmission shaft 10, and the two pulleys 13 are connected by a belt 17. A sleeve 18 is installed on the rotating shaft 16, and a spline groove 19 is provided on the surface of the sleeve 18. A motor 20 is provided on one side of the sleeve 18, and a pad 22 is provided directly below the sleeve 18. The motor 20 is detachably mounted on the pad 22, and the output end of the motor 20 is connected to a spline shaft 21 through a coupling. The spline shaft 21 is used in conjunction with the spline groove 19. The motor 20 is started, and the output end of the motor 20 drives one of the pulleys 13 to rotate. Under the transmission action of the two pulleys 13, the belt 17, the first bevel gear 11 and the second bevel gear 12, the rotation of the mounting shaft 3 drives the stirring rod 9 and the scraping rod 5 to rotate accordingly.

[0029] Working principle of the utility model: after long-term use, when the impurities attached to the inner wall of the tank body 1 are too much and need to be cleaned, the staff can add chemical cleaning substances into the tank body 1 through the feed pipe 6, and then insert the spline shaft 21 of the motor 20 into the key groove 19, and start the motor 20 after the motor 20 is simply fixed;

[0030] The output end of the motor 20 drives one of the pulleys 13 to rotate. Under the transmission action of the two pulleys 13, the belt 17, the first bevel gear 11 and the second bevel gear 12, the installation shaft 3 rotates to drive the stirring rod 9 and the scraping rod 5 to rotate. The stirring rod 9 can speed up the cleaning speed of the chemical reagent, and the scraping rod 5 can scrape off the stubborn objects attached to the inside of the tank body 1. Finally, the valve of the impurity discharge pipe 8 is opened to discharge the impurities to complete the cleaning. The operation is simple and convenient. The motor 20 used to drive the installation shaft 3 to rotate is located on the ground and is easy to disassemble. After one cleaning is completed, it can be transferred for other purposes.

[0031] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A leakproof polymer plastic storage tank, comprising a tank body (1), characterized in that: A plurality of supporting legs (2) are circumferentially arranged around the tank body (1); a mounting shaft (3) is movably arranged on the top of the tank body (1) via a bearing; a scraping rod (5) is fixed to the mounting shaft (3) via a connecting rod (4); and the scraping rod (5) is in contact with the inner wall of the tank body (1); The top of the tank body (1) is connected to a feed pipe (6), the bottom side of the tank body (1) is connected to a discharge pipe (7), and the bottom of the tank body (1) is connected to a waste discharge pipe (8); The top of the installation shaft (3) is connected with a transmission mechanism.

2. The leakproof polymer plastic storage tank according to claim 1, characterized in that: A stirring rod (9) is fixed between the installation shaft (3) and the scraper rod (5).

3. The leakproof polymer plastic storage tank according to claim 2, characterized in that: The transmission mechanism comprises a transmission shaft (10), a first bevel gear (11), a second bevel gear (12) and two pulleys (13); the first bevel gear (11) is mounted on the top of the mounting shaft (3); A limit seat (14) is fixed on the top of the tank body (1), the transmission shaft (10) is movably arranged on the limit seat (14) via a bearing, the second bevel gear (12) is mounted on the transmission shaft (10), and the first bevel gear (11) is meshed with the second bevel gear (12); A mounting frame (15) is fixed at the bottom of the tank body (1), a rotating shaft (16) is movably arranged on the mounting frame (15), the rotating shaft (16) and the transmission shaft (10) are both mounted with the pulleys (13), and the two pulleys (13) are connected via a belt (17).

4. The leakproof polymer plastic storage tank according to claim 3, characterized in that: A closed transmission is adopted between the first bevel gear (11) and the second bevel gear (12).

5. The leakproof polymer plastic storage tank according to claim 4, characterized in that: A sleeve (18) is mounted on the rotating shaft (16), a spline groove (19) is formed on the surface of the sleeve (18), a motor (20) is arranged on one side of the sleeve (18), an output end of the motor (20) is connected to a spline shaft (21) via a coupling, and the spline shaft (21) is used in conjunction with the spline groove (19).

6. The leakproof polymer plastic storage tank according to claim 5, characterized in that: A backing plate (22) is arranged directly below the sleeve (18), and the motor (20) is detachably mounted on the backing plate (22).

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