Anti-corrosion hoisting and moving device

By introducing anti-corrosion components for the trolley and hoist components into the blowout preventer (BOP) hoisting device, using grease to lubricate the bearings, and employing galvanized and copper-plated materials, the corrosion and wear problems of the BOP hoisting device in high-salt, high-temperature, and high-humidity environments have been solved, extending its service life.

CN223852128UActive Publication Date: 2026-01-30滕州市三润重工机械有限公司
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Patent Information

Application Number
CN202520144056.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-30
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The blowout preventer hoisting device is prone to corrosion and failure in high-salt, high-temperature, and high-humidity environments, resulting in severe mechanical wear. Existing anti-corrosion measures are ineffective and affect its service life.

Method used

The system employs anti-corrosion components for the trolley and hoist, including protective plates, dust covers, and a grease system. The bearings are lubricated with grease to prevent corrosive media from entering. Combined with galvanized and copper-plated anti-corrosion materials, the protection of mechanical components is improved.

Benefits of technology

It effectively prevents corrosion from mud and seawater, extends the service life of the equipment, and improves the wear resistance and protective effect of mechanical parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of anti-corrosion hoisting and moving devices, in particular to an anti-corrosion hoisting and moving device which is characterized in that when the anti-corrosion hoisting and moving device is used, a screw rod in an adjusting rod is adjusted, the width of two groups of wallboards is adjusted, then wheels are in rolling contact with a guide rail, and a walking motor is started, so that wheel axles drive the wheels to rotate, and the wheels drive the wallboards to move; the service life is prolonged; comprising a walking trolley assembly and a lifting hoist assembly, and the lifting hoist assembly is installed at the bottom end of a walking trolley; the walking trolley assembly comprises wallboards, a connecting shaft, an adjusting rod, a walking motor, a wheel axle, wheels and a first bearing, the connecting shaft and the adjusting rod are arranged between the two wallboards, a screw is arranged in the adjusting rod, the walking motor is installed on the wallboards, the wheel axle is arranged at the output end of the walking motor, the wheels are installed on the wheel axle, and the first bearing is arranged on the first bearing. The anti-corrosion walking trolley further comprises a trolley anti-corrosion assembly, and the trolley anti-corrosion assembly is used for corrosion prevention of the walking trolley assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anticorrosive hoisting and moving device, in particular to an anticorrosive hoisting and moving device. BACKGROUND

[0002] The blowout preventer hoisting and moving device is specially used for the movement and installation of the blowout preventer, is easily corroded by mud due to working at the wellhead, is also easily corroded by seawater especially on the tropical offshore drilling platform, is in the high-salt high-temperature high-humidity environment for a long time, and the components are easily corroded, fail, affect use, and many anticorrosion technologies are adopted for marine facilities, such as rust-proof paint, electroplating, various coatings and stainless steel components. SUMMARY

[0003] To solve the above technical problems, the utility model provides an anticorrosive hoisting and moving device with improved service life.

[0004] The anticorrosive hoisting and moving device comprises a walking trolley assembly and a lifting cage assembly, and the lifting cage assembly is installed at the bottom end of the walking trolley.

[0005] The walking trolley assembly comprises wall plates, connecting shafts, adjusting rods, walking motors, wheel shafts, wheels and first bearings, the connecting shafts and the adjusting rods are arranged between two groups of wall plates, the adjusting rods are internally provided with screws, the wall plates are provided with the walking motors, the walking motors are provided with the wheel shafts at the output ends, the wheel shafts are provided with the wheels, the wheels are provided with the first bearings, and the walking trolley assembly further comprises a trolley anticorrosion assembly for anticorrosion of the walking trolley assembly.

[0006] Preferably, the trolley anticorrosion assembly comprises protective plates, dust covers and first oil nipples, the wheels are provided with the protective plates above, the wheels are provided with the dust covers in front, the wheel shafts are provided with the first oil nipples at the outer ends, and the wheel shafts are internally provided with first oil guide grooves; the protective plates prevent mud from falling in, the dust covers prevent dust from entering, the grease enters the first bearings through the first oil nipples and the first oil guide grooves, lubricates the first bearings and carries the friction debris in the first bearings through the grease, and simultaneously prevents seawater mud from entering the first bearings.

[0007] Preferably, the hoist assembly includes a body, a chain sprocket assembly, and a hoisting motor. The body is installed at the bottom of the wall panel, and the hoisting motor is mounted on the body. The output end of the hoisting motor extends into the body and is equipped with a chain sprocket assembly. A lower hook frame assembly is installed at the bottom of the chain sprocket assembly, and the lower hook frame assembly is equipped with a hook assembly. The body moves with the wall panel, and the hoisting motor causes the chain sprocket assembly to drive the lower hook frame assembly and the hook assembly to rise and fall, improving the ease of hoisting. The chain on the protective plate is galvanized and copper-plated for corrosion protection.

[0008] Preferably, the lower hook frame assembly includes a lower hook housing, a cruise ship, a cruise ship shaft, a needle roller, a second oil guide groove, a second grease nozzle, and a second sealing ring. The lower hook housing is installed at the bottom of the chain sprocket assembly. The cruise ship and cruise ship shaft are arranged inside the lower hook housing. The cruise ship uses a needle roller bearing and has a needle roller groove inside. Needle rollers slide in the needle roller groove. The second oil guide groove is arranged inside the cruise ship, and a second grease nozzle is installed at the input end of the second oil guide groove. The second sealing ring is installed on both sides of the cruise ship. A hook assembly is arranged at the bottom of the lower hook housing. In use, the height of the lower hook housing is adjusted by the chain sprocket assembly. The second sealing ring is installed on both sides of the cruise ship and contacts the cruise ship to prevent seawater slurry from entering the needle roller bearing. Grease is injected into the second oil guide groove through the second grease nozzle. The grease enters the needle roller groove to lubricate the needle rollers and the bearing. The continuous injection of grease increases the internal pressure of the grease. The grease carries friction debris out of the needle roller bearing and prevents seawater slurry from entering the needle roller bearing, thereby improving its service life.

[0009] Preferably, the hook assembly consists of a hook, a chain clip, a snap ring, a No. 3 sealing ring, a guide sleeve bearing, a No. 3 grease nozzle, and a No. 3 oil guide groove. Lubricating oil is injected into the No. 3 oil guide groove through the No. 3 grease nozzle, and grease enters the guide sleeve bearing to generate lubrication. As lubricating oil continues to enter, the internal pressure of the grease increases, and the grease carries friction debris out of the guide sleeve bearing, preventing seawater slurry from entering the interior of the guide sleeve bearing.

[0010] Preferably, the body is a six-end sealed integral type, with a threaded connection, and the thread is internal.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, by adjusting the screw inside the adjusting rod, the width of the two sets of wall panels is adjusted, and then the wheels and guide rails roll into contact, the walking motor is started, so that the wheel axle drives the wheels to rotate, so that the wheels drive the wall panels to move, and further so that the wall panels drive the hoist assembly to move horizontally. The anti-corrosion component of the trolley is used for the anti-corrosion of the walking trolley assembly, thereby improving its service life. Attached Figure Description

[0012] Figure 1 This is a front view structural diagram of the present invention;

[0013] Figure 2This is a side view of the structure of this utility model.

[0014] The following are labels in the attached diagram: 1. Wall panel; 2. Connecting shaft; 3. Adjusting rod; 4. Travel motor; 5. Wheel axle; 6. Wheel; 7. Bearing No. 1; 8. Protective plate; 9. Dust cover; 10. Oil nozzle No. 1; 11. Machine body; 12. Chain sprocket assembly; 13. Lifting motor; 14. Lower hook housing; 15. Cruiser; 16. Cruiser shaft; 18. Needle roller; 19. Oil guide groove No. 2; 20. Oil nozzle No. 2; 21. Sealing ring No. 2; 22. Hook; 23. Chain retainer; 24. Snap ring; 25. Sealing ring No. 3; 26. Guide sleeve bearing; 27. Oil nozzle No. 3; 28. Oil guide groove No. 3. Detailed Implementation

[0015] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0016] like Figure 1 and Figure 2 As shown, this utility model discloses an anti-corrosion lifting and moving device, which includes a traveling trolley assembly and a lifting hoist assembly. The lifting hoist assembly is installed at the bottom of the traveling trolley. The traveling trolley assembly includes a wall plate 1, a connecting shaft 2, an adjusting rod 3, a traveling motor 4, a wheel axle 5, a wheel 6, and a bearing 7. A connecting shaft 2 and an adjusting rod 3 are arranged between two sets of wall plates 1. A screw is provided inside the adjusting rod 3. The traveling motor 4 is installed on the wall plate 1. The wheel axle 5 is provided at the output end of the traveling motor 4. The wheel 6 is installed on the wheel axle 5. The bearing 7 is provided on the wheel 6. The device also includes a trolley anti-corrosion component for corrosion protection of the traveling trolley assembly.

[0017] The anti-corrosion components of the car include a protective plate 8, a dust cover 9, and a No. 1 oil nozzle 10. The protective plate 8 is installed above the wheel 6, the dust cover 9 is provided in front of the wheel 6, the No. 1 oil nozzle 10 is installed at the outer end of the wheel axle 5, and the No. 1 oil guide groove is provided inside the wheel axle 5.

[0018] The hoist assembly includes a body 11, a chain sprocket assembly 12, and a hoisting motor 13. The body 11 is installed at the bottom of the wall panel 1. The hoisting motor 13 is installed on the body 11. The output end of the hoisting motor 13 extends into the body 11 and is provided with the chain sprocket assembly 12. The bottom end of the chain sprocket assembly 12 is provided with a lower hook frame assembly. The lower hook frame assembly is provided with a hook assembly.

[0019] The lower hook frame assembly includes a lower hook housing 14, a cruise wheel 15, a cruise wheel shaft 16 and 17, a needle roller 18, a second oil guide groove 19, a second oil nozzle 20, and a second sealing ring 21. The lower hook housing 14 is installed at the bottom of the chain sprocket assembly 12. The cruise wheel 15 and the cruise wheel shaft 16 are arranged inside the lower hook housing 14. The cruise wheel 15 adopts a needle roller bearing. The cruise wheel 15 has a needle roller groove inside, in which a needle roller 18 is slidably arranged. The cruise wheel 15 has a second oil guide groove 19 inside. The second oil nozzle 20 is installed at the input end of the second oil guide groove 19. The second sealing ring 21 is installed on both sides of the cruise wheel 15. The lower hook housing 14 has a hook assembly at the bottom.

[0020] In this embodiment, during use, the width of the two sets of wall panels 1 is adjusted by adjusting the screw inside the adjusting rod 3. Then, the wheel 6 rolls into contact with the guide rail, and the walking motor 4 is started, causing the wheel axle 5 to drive the wheel 6 to rotate. This causes the wheel 6 to move the wall panel 1, which in turn causes the wall panel 1 to move horizontally along with the hoist assembly. The protective plate 8 prevents mud from falling in, and the dust cover 9 prevents dust from entering. The lubricating grease enters the first bearing 7 through the first grease nipple 10 and the first oil guide groove, lubricating the first bearing 7 and carrying friction debris to the first bearing 7 while preventing seawater mud from entering the first bearing 7. The body 11 moves along with the wall panel 1. The lifting motor 13 drives the chain sprocket assembly 12 to lift and lower the hook frame assembly and the hook assembly. The lower hook housing 14 is height-adjusted by the chain sprocket assembly 12. The second sealing ring 21 is installed on both sides of the cruise ship 15 and contacts the cruise ship 15 to prevent seawater slurry from entering the needle roller bearing. The second oil nozzle 20 injects grease into the second oil guide groove. The grease enters the needle roller groove to lubricate the needle rollers and the bearing. The continuous injection of grease increases the internal pressure of the grease and carries the friction debris out of the needle roller bearing, preventing seawater slurry from entering the needle roller bearing and improving its service life. Example

[0021] like Figure 1 and Figure 2 As shown, this utility model discloses an anti-corrosion lifting and moving device, which includes a traveling trolley assembly and a lifting hoist assembly. The lifting hoist assembly is installed at the bottom of the traveling trolley. The traveling trolley assembly includes a wall plate 1, a connecting shaft 2, an adjusting rod 3, a traveling motor 4, a wheel axle 5, a wheel 6, and a bearing 7. A connecting shaft 2 and an adjusting rod 3 are arranged between two sets of wall plates 1. A screw is provided inside the adjusting rod 3. The traveling motor 4 is installed on the wall plate 1. The wheel axle 5 is provided at the output end of the traveling motor 4. The wheel 6 is installed on the wheel axle 5. The bearing 7 is provided on the wheel 6. The device also includes a trolley anti-corrosion component for corrosion protection of the traveling trolley assembly.

[0022] The anti-corrosion components of the car include a protective plate 8, a dust cover 9, and a No. 1 oil nozzle 10. The protective plate 8 is installed above the wheel 6, the dust cover 9 is provided in front of the wheel 6, the No. 1 oil nozzle 10 is installed at the outer end of the wheel axle 5, and the No. 1 oil guide groove is provided inside the wheel axle 5.

[0023] The hoist assembly includes a body 11, a chain sprocket assembly 12, and a hoisting motor 13. The body 11 is installed at the bottom of the wall panel 1. The hoisting motor 13 is installed on the body 11. The output end of the hoisting motor 13 extends into the body 11 and is provided with the chain sprocket assembly 12. The bottom end of the chain sprocket assembly 12 is provided with a lower hook frame assembly. The lower hook frame assembly is provided with a hook assembly.

[0024] The lower hook frame assembly includes a lower hook housing 14, a cruise wheel 15, a cruise wheel shaft 16 and 17, a needle roller 18, a second oil guide groove 19, a second oil nozzle 20, and a second sealing ring 21. The lower hook housing 14 is installed at the bottom of the chain sprocket assembly 12. The cruise wheel 15 and the cruise wheel shaft 16 are arranged inside the lower hook housing 14. The cruise wheel 15 adopts a needle roller bearing. The cruise wheel 15 has a needle roller groove inside, and a needle roller 18 is slidably arranged in the needle roller groove. The cruise wheel 15 has a second oil guide groove 19 inside. The second oil nozzle 20 is installed at the input end of the second oil guide groove 19. The second sealing ring 21 is installed on both sides of the cruise wheel 15. The lower hook housing 14 has a hook assembly at the bottom.

[0025] The hook assembly consists of a hook 22, a chain 23, a snap ring 24, a No. 3 sealing ring 25, a guide sleeve bearing 26, a No. 3 oil nozzle 27, and a No. 3 oil guide groove 28;

[0026] The body 11 is a six-end face sealed integral type, and adopts a threaded connection, wherein the thread is internal.

[0027] In this embodiment, during use, the width of the two sets of wall panels 1 is adjusted by adjusting the screw inside the adjusting rod 3. Then, the wheel 6 rolls into contact with the guide rail, and the walking motor 4 is started, which causes the wheel axle 5 to drive the wheel 6 to rotate, thereby causing the wheel 6 to move the wall panel 1. This further causes the wall panel 1 to move horizontally along the hoist assembly. The protective plate 8 prevents mud from falling in, and the dust cover 9 prevents dust from entering. The lubricating grease enters the bearing 7 through the first grease nipple 10 and the first oil guide groove, lubricating the bearing 7 and carrying friction debris to the bearing 7. At the same time, it prevents seawater mud from entering the bearing 7. The machine body 11 moves with the wall panel 1. The hoisting motor 13 causes the chain sprocket assembly 12 to drive the lower hook frame assembly and the hook assembly to lift. The lowering hook housing 14 is height-adjusted via the chain sprocket assembly 12. The second sealing ring 21 is installed on both sides of the cruise ship 15, contacting the cruise ship 15 to prevent seawater slurry from entering the needle roller bearing. Grease is injected into the second oil guide groove through the second grease nozzle 20, lubricating the needle rollers and bearings. Continuous grease injection increases the internal pressure of the grease, carrying friction debris out of the needle roller bearing and preventing seawater slurry from entering. Lubricating oil is injected into the third oil guide groove 28 through the third grease nozzle 27, lubricating the guide sleeve bearing 26. Lubricating oil continuously enters, increasing the internal pressure of the grease, carrying friction debris out of the guide sleeve bearing 26 and preventing seawater slurry from entering its interior.

[0028] The walking motor 4 and lifting motor 13 of the anti-corrosion hoisting device of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0029] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A kind of anticorrosion hoisting device, including travelling trolley assembly and lifting pulley assembly, lifting pulley assembly is installed at the bottom end of travelling trolley;Characterized in that, The travelling trolley assembly includes wallboard (1), connecting shaft (2), adjusting rod (3), travelling motor (4), wheel shaft (5), wheel (6) and bearing (7), two groups of wallboard (1) are provided with connecting shaft (2) and adjusting rod (3), adjusting rod (3) is provided with screw rod inside, travelling motor (4) is installed on the wallboard (1), wheel shaft (5) is provided with the output end of travelling motor (4), wheel (6) is installed on wheel shaft (5), bearing (7) is provided on wheel (6), it further includes trolley anticorrosion component, trolley anticorrosion component is used for the anticorrosion of travelling trolley assembly.

2. A corrosion resistant hoisting device as claimed in claim 1, characterized in that Trolley anticorrosion component includes protective plate (8), dust cover (9) and first oil nozzle (10), protective plate (8) is installed above wheel (6), dust cover (9) is provided at the front of wheel (6), first oil nozzle (10) is installed at the outer end of wheel shaft (5), and a first oil guide groove is provided in the inside of wheel shaft (5).

3. A corrosion resistant hanger as defined in claim 1, wherein Lifting pulley assembly includes body (11), ring chain sprocket assembly (12) and lifting motor (13), the body (11) is installed at the bottom end of wallboard (1), lifting motor (13) is installed on the body (11), and the output end of lifting motor (13) extends to the inside of body (11) and is provided with ring chain sprocket assembly (12), and the bottom end of ring chain sprocket assembly (12) is provided with lower hook rack assembly, and the lower hook rack assembly is provided with hook assembly.

4. A corrosion protection hoisting device as claimed in claim 3, characterized in that Lower hook rack assembly includes lower hook shell (14), runner (15), runner shaft (16), 17, needle roller (18), second oil guide groove (19), second oil nozzle (20) and second sealing ring (21), lower hook shell (14) is installed at the bottom end of ring chain sprocket assembly (12), runner (15) and runner shaft (16) are provided in the inside of lower hook shell (14), runner (15) adopts needle roller bearing, runner (15) is provided with needle roller groove in the inside, needle roller (18) is slidably arranged in the needle roller groove, runner (15) is provided with second oil guide groove (19) in the inside, second oil nozzle (20) is installed at the input end of second oil guide groove (19), second sealing ring (21) is installed on both sides of runner (15), and hook assembly is arranged at the bottom end of lower hook shell (14).

5. A corrosion protection hoisting device as claimed in claim 4, characterized in that The hook assembly is composed of hook (22), chain (23), snap spring (24), third sealing ring (25), guide sleeve bearing (26), third oil nozzle (27) and third oil guide groove (28).

6. A corrosion resistant hanger as defined in claim 3, wherein The body (11) is a six-end-face sealing integrated type, adopts threaded connection, and the thread adopts built-in type.