Chemical corrosion pretreatment device for high-pressure hydrogen storage cylinder

Abstract

The utility model relates to the technical field of high-pressure hydrogen storage cylinder detection, and discloses a high-pressure hydrogen storage cylinder chemical corrosion pretreatment device which comprises a bottom plate, a supporting shaft is fixed at the bottom of a turntable, the bottom of the supporting shaft is rotatably connected with the bottom plate, and two clamping mechanisms are mounted on the turntable. A rotating driving mechanism used for driving the supporting shaft and the rotating disc to rotate is installed on the bottom plate, a vertical plate is fixed to the side face of the bottom plate, an automatic cleaning mechanism is installed on the vertical plate, and the automatic cleaning mechanism comprises a second motor, a lead screw, a threaded sleeve, a limiting guide rod, a lifting plate, a cleaning cotton wiper and a flushing mechanism. The lead screw is rotationally connected to the vertical plate, an output shaft of the second motor is connected with the lead screw, a threaded sleeve is installed on the lead screw, a limiting guide rod inserted into the vertical plate is fixed to the threaded sleeve, a lifting plate is fixed to the front side of the threaded sleeve, a cleaning cotton wiper is installed on the lifting plate, and a flushing mechanism is connected to the lower side of the lifting plate. The hydrogen storage bottle can be automatically cleaned conveniently, and manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure hydrogen storage cylinder detection, in particular to a chemical corrosion pretreatment device for high-pressure hydrogen storage cylinders. Background Art

[0002] High-pressure hydrogen storage cylinders are used to store high-pressure compressed hydrogen. High-pressure hydrogen storage cylinders have very high requirements and need to have good corrosion resistance, so it is necessary to test the corrosion resistance of high-pressure hydrogen storage cylinders. During the test, corrosive substances such as sulfuric acid and ammonium nitrate are dripped onto the surface of the high-pressure hydrogen storage cylinder for testing. Before the test, it is necessary to clean up the dust, rust stains and other impurities on the surface of the high-pressure hydrogen storage cylinder to prevent them from affecting the detection effect. At present, people manually clean the surface of the high-pressure hydrogen storage cylinder, which is rather troublesome. Therefore, in view of the above situation, it is urgent to develop a high-pressure hydrogen storage cylinder chemical corrosion pretreatment device that is convenient for automatic cleaning of hydrogen storage bottles and saves manpower, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0003] The utility model aims to provide a chemical corrosion pretreatment device for a high-pressure hydrogen storage bottle, which is convenient for automatically cleaning the hydrogen storage bottle and saves manpower.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A chemical corrosion pretreatment device for a high-pressure hydrogen storage cylinder comprises a bottom plate, a vertical plate, a turntable, a clamping mechanism, a rotary drive mechanism and an automatic cleaning mechanism. The bottom plate is provided with a turntable, a support shaft is fixed to the bottom of the turntable, the bottom of the support shaft is rotatably connected to the bottom plate, two clamping mechanisms are installed on the turntable, a rotary drive mechanism for driving the support shaft and the turntable to rotate is installed on the bottom plate, a vertical plate is fixed to the side of the bottom plate, an automatic cleaning mechanism is installed on the vertical plate, and the automatic cleaning mechanism comprises: a second motor, a lead screw, a threaded sleeve, a limit guide rod, a lifting plate, a cleaning cotton wipe and a flushing Mechanism, the second motor is fixed on the vertical plate, the lead screw is rotatably connected to the vertical plate, the output shaft of the second motor is connected to the lead screw, a threaded sleeve is installed on the lead screw, a limiting guide rod inserted into the vertical plate is fixed on the threaded sleeve, a lifting plate is fixed on the front side of the threaded sleeve, a cleaning cotton wipe is installed on the lifting plate, a flushing mechanism is connected to the lower side of the lifting plate, the flushing mechanism includes: an annular tube, a nozzle, a hose and a water pump, the annular tube is fixed on the lower side of the lifting plate, a plurality of nozzles are installed on the annular tube, the water pump is fixed on the bottom plate, and the water pump is connected to the annular tube through a hose.

[0006] Preferably, the central axis of the cleaning cotton wipe coincides with the central axis of the turntable.

[0007] Preferably, the limiting guide rod is slidably connected to the vertical plate, and the vertical plate is provided with a limiting sliding groove for the movement of the limiting guide rod.

[0008] Preferably, the clamping mechanism comprises a hydraulic cylinder and a clamping plate, wherein the hydraulic cylinder is fixed on the turntable, and an output end of the hydraulic cylinder is fixed to the clamping plate.

[0009] Preferably: the rotary drive mechanism comprises: a first motor, a first gear and a second gear, the first motor is fixed to the base plate, a first gear is installed on the output shaft of the first motor, a second gear meshing with the first gear is installed on one side of the first gear, and the second gear is installed on the support shaft.

[0010] The beneficial effects of the utility model are as follows: the chemical corrosion pretreatment device for high-pressure hydrogen storage bottles places the hydrogen storage bottle on the turntable, clamps and fixes the hydrogen storage bottle by two clamping mechanisms, then drives the turntable to rotate by the rotary drive mechanism, drives the clamping mechanism and the hydrogen storage bottle to rotate by the turntable, drives the lead screw to rotate by the second motor, drives the threaded sleeve and the lifting plate to move downward by the lead screw, drives the cleaning cotton wipe and the flushing mechanism to move downward by the lifting plate, delivers water into the annular tube by a water pump, sprays water onto the surface of the hydrogen storage bottle by a nozzle, and at the same time, scrubs the surface of the hydrogen storage bottle by a cleaning cotton wipe, thereby automatically removing dust and other impurities on the surface of the hydrogen storage bottle, saving manpower. In summary, the utility model facilitates the automatic cleaning of hydrogen storage bottles and saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0012] Figure 2 It is a schematic diagram of the use state of the utility model.

[0013] Figure 3 It is a partial structure diagram of the utility model Figure 1 .

[0014] Figure 4 It is a partial structure diagram of the utility model Figure 2 .

[0015] Figure 5 It is a partial structure diagram of the utility model Figure 3 .

[0016] Legend:

[0017] 1. Bottom plate; 2. Vertical plate; 201. Limiting slide groove; 3. Turntable; 301. Support shaft; 4. Clamping mechanism; 401. Hydraulic cylinder; 402. Clamping plate; 5. Rotary drive mechanism; 501. First motor; 502. First gear; 503. Second gear; 6. Automatic cleaning mechanism; 601. Second motor; 602. Lead screw; 603. Threaded sleeve; 604. Limiting guide rod; 605. Lifting plate; 606. Cleaning cotton wipe; 607. Flushing mechanism; 6071. Annular tube; 6072. Nozzle; 6073. Hose; 6074. Water pump; 7. Hydrogen storage bottle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Specific examples are given below.

[0020] See also Figure 1 to Figure 5In the embodiment of the utility model, a high-pressure hydrogen storage cylinder chemical corrosion pretreatment device includes a bottom plate 1, a vertical plate 2, a turntable 3, a clamping mechanism 4, a rotating drive mechanism 5, an automatic cleaning mechanism 6 and a hydrogen storage bottle 7. The bottom plate 1 is provided with a turntable 3, a support shaft 301 is fixed to the bottom of the turntable 3, and the bottom of the support shaft 301 is rotatably connected to the bottom plate 1. Two clamping mechanisms 4 are installed on the turntable 3, and the two clamping mechanisms 4 are arranged oppositely. A rotating drive mechanism 5 for driving the support shaft 301 and the turntable 3 to rotate is installed on the bottom plate 1. The hydrogen storage bottle 7 is clamped between the two clamping mechanisms 4. The side of the bottom plate 1 is fixed with a vertical plate 2, and the automatic cleaning mechanism is installed on the vertical plate 2. 6. The automatic cleaning mechanism 6 includes: a second motor 601, a lead screw 602, a threaded sleeve 603, a limiting guide rod 604, a lifting plate 605, a cleaning cotton wipe 606 and a flushing mechanism 607. The second motor 601 is fixed on the vertical plate 2, the lead screw 602 is rotatably connected to the vertical plate 2, the output shaft of the second motor 601 is connected to the lead screw 602, the lead screw 602 is installed with a threaded sleeve 603, the threaded sleeve 603 is fixed with a limiting guide rod 604 inserted into the vertical plate 2, the limiting guide rod 604 is slidably connected with the vertical plate 2, the vertical plate 2 is provided with a limiting slide groove 201 for moving the limiting guide rod 604, the front side of the threaded sleeve 603 is fixed with a lifting plate 605, A cleaning cotton wipe 606 is installed on the lifting plate 605, and the central axis of the cleaning cotton wipe 606 coincides with the central axis of the turntable 3. A flushing mechanism 607 is connected to the lower side of the lifting plate 605. The flushing mechanism 607 includes: an annular tube 6071, a nozzle 6072, a hose 6073 and a water pump 6074. The annular tube 6071 is fixed to the lower side of the lifting plate 605, and a plurality of nozzles 6072 are installed on the annular tube 6071. The water pump 6074 is fixed on the bottom plate 1. The water pump 6074 is connected to an external water source through a pipeline, and the water pump 6074 is connected to the annular tube 6071 through a hose 6073. When in use, the hydrogen storage bottle 7 is placed on the turntable 3, and the two The clamping mechanism 4 clamps and fixes the hydrogen storage bottle 7, and then drives the turntable 3 to rotate through the rotating drive mechanism 5, and drives the clamping mechanism 4 and the hydrogen storage bottle 7 to rotate through the turntable 3. At the same time, the second motor 601 drives the lead screw 602 to rotate, and the lead screw 602 drives the threaded sleeve 603 and the lifting plate 605 to move downward, and the lifting plate 605 drives the cleaning cotton wipe 606 and the flushing mechanism 607 to move downward, and the water flow is transported to the annular tube 6071 through the water pump 6074, and the water flow is sprayed onto the surface of the hydrogen storage bottle 7 through the nozzle 6072. At the same time, the surface of the hydrogen storage bottle 7 is scrubbed by the cleaning cotton wipe 606, so as to remove dust and other impurities on the surface of the hydrogen storage bottle 7.

[0021] The clamping mechanism 4 includes: a hydraulic cylinder 401 and a clamping plate 402. The hydraulic cylinder 401 is fixed on the turntable 3. The output end of the hydraulic cylinder 401 is fixed to the clamping plate 402. When in use, the hydraulic cylinder 401 drives the clamping plate 402 to move, and the clamping plate 402 clamps the lower end of the hydrogen storage bottle 7.

[0022] The rotating drive mechanism 5 includes: a first motor 501, a first gear 502 and a second gear 503. The first motor 501 is fixed on the base plate 1. The first gear 502 is installed on the output shaft of the first motor 501. A second gear 503 meshing with the first gear 502 is installed on one side of the first gear 502. The second gear 503 is installed on the support shaft 301. When in use, the first motor 501 drives the first gear 502 and the second gear 503 to rotate, and the second gear 503 drives the support shaft 301 and the turntable 3 to rotate.

[0023] Working principle: The high-pressure hydrogen storage cylinder chemical corrosion pretreatment device places the hydrogen storage bottle 7 on the turntable 3, clamps the hydrogen storage bottle 7 with two clamping mechanisms 4, and then drives the turntable 3 to rotate through the rotating drive mechanism 5, drives the clamping mechanism 4 and the hydrogen storage bottle 7 to rotate through the turntable 3, drives the lead screw 602 to rotate through the second motor 601, drives the threaded sleeve 603 and the lifting plate 605 to move downward through the lead screw 602, drives the cleaning cotton wipe 606 and the flushing mechanism 607 to move downward through the lifting plate 605, and conveys water to the annular tube 6071 through the water pump 6074, sprays water onto the surface of the hydrogen storage bottle 7 through the nozzle 6072, and at the same time, scrubs the surface of the hydrogen storage bottle 7 through the cleaning cotton wipe 606, thereby automatically removing dust and other impurities on the surface of the hydrogen storage bottle 7, saving manpower.

[0024] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, shall make equivalent replacements or changes, which shall be covered by the protection scope of the utility model.

Claims

1. A chemical corrosion pretreatment device for high-pressure hydrogen storage cylinders, characterized in that: The invention comprises a bottom plate (1), a vertical plate (2), a rotating disk (3), a clamping mechanism (4), a rotation driving mechanism (5) and an automatic cleaning mechanism (6). The bottom plate (1) is provided with a rotating disk (3), a supporting shaft (301) is fixed to the bottom of the rotating disk (3), the bottom of the supporting shaft (301) is rotatably connected to the bottom plate (1), two clamping mechanisms (4) are installed on the rotating disk (3), and a rotating mechanism (5) is installed on the bottom plate (1) for driving the supporting shaft (301) and the rotating disk (3) to rotate. A rotating driving mechanism (5) is provided for rotating the bottom plate (1); a vertical plate (2) is fixed to the side of the bottom plate (1); an automatic cleaning mechanism (6) is installed on the vertical plate (2); the automatic cleaning mechanism (6) comprises: a second motor (601), a lead screw (602), a threaded sleeve (603), a limiting guide rod (604), a lifting plate (605), a cleaning cotton wiper (606) and a flushing mechanism (607); the second motor (601) is fixed to the vertical plate (2); the lead screw (602) The second motor (601) is rotatably connected to the vertical plate (2); the output shaft of the second motor (601) is connected to the lead screw (602); a threaded sleeve (603) is installed on the lead screw (602); a limit guide rod (604) inserted into the vertical plate (2) is fixed on the threaded sleeve (603); a lifting plate (605) is fixed on the front side of the threaded sleeve (603); a cleaning cotton wipe (606) is installed on the lifting plate (605); a flushing mechanism is connected to the lower side of the lifting plate (605) (607), the flushing mechanism (607) comprises: an annular tube (6071), a nozzle (6072), a hose (6073) and a water pump (6074), the annular tube (6071) is fixed to the lower side of the lifting plate (605), a plurality of nozzles (6072) are installed on the annular tube (6071), the water pump (6074) is fixed on the bottom plate (1), and the water pump (6074) is connected to the annular tube (6071) through a hose (6073).

2. The chemical corrosion pretreatment device for high-pressure hydrogen storage cylinders according to claim 1 is characterized in that: The central axis of the cleaning cotton wipe (606) coincides with the central axis of the rotating disk (3).

3. The chemical corrosion pretreatment device for high-pressure hydrogen storage cylinders according to claim 1 is characterized in that: The limiting guide rod (604) is slidably connected to the vertical plate (2), and a limiting sliding groove (201) for moving the limiting guide rod (604) is provided on the vertical plate (2).

4. The chemical corrosion pretreatment device for high-pressure hydrogen storage cylinders according to claim 1 is characterized in that: The clamping mechanism (4) comprises: a hydraulic cylinder (401) and a clamping plate (402); the hydraulic cylinder (401) is fixed on the rotating disk (3); and the output end of the hydraulic cylinder (401) is fixed to the clamping plate (402).

5. The chemical corrosion pretreatment device for high-pressure hydrogen storage cylinders according to claim 1 is characterized in that: The rotary drive mechanism (5) comprises: a first motor (501), a first gear (502) and a second gear (503); the first motor (501) is fixed on the bottom plate (1); the first gear (502) is mounted on the output shaft of the first motor (501); a second gear (503) meshing with the first gear (502) is mounted on one side of the first gear (502); and the second gear (503) is mounted on the support shaft (301).

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