Blowout preventer hoisting and moving device

Abstract

The utility model relates to the technical field of hoisting and moving devices, in particular to a blowout preventer hoisting and moving device which is characterized in that a hydraulic driving force for hoisting is provided for a hoisting hoist assembly through a hydraulic operation box, so that the hoisting hoist assembly hoists a blowout preventer, and then a walking trolley assembly is operated to stably move on a guide rail; therefore, the lifting hoist assembly drives the blowout preventer to move to the position over the installation position, then the lifting hoist assembly is operated through the hydraulic operation box to enable the blowout preventer to stably fall down to be placed, and safety and reliability are improved. Comprising a guide rail and a hydraulic operation box, and further comprises walking trolley assemblies and a lifting hoist assembly, the multiple walking trolley assemblies are arranged on the guide rail in a sliding mode, the lifting hoist assembly is installed between the two walking trolley assemblies, the two walking trolley assemblies are connected through a floating connecting rod, and the lifting hoist assembly is in floating connection with the walking trolleys through knuckle bearings. The hydraulic operation box provides hydraulic driving force for the lifting hoist assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of lifting and moving devices, and in particular to a blowout preventer lifting and moving device. Background Technology

[0002] Blowout preventers are used to prevent well blowouts. Due to the narrow space under the drilling platform and their own heavy weight, special equipment is required for hoisting and moving them. The installation of blowout preventers requires that the hoisting and moving device be safe and reliable, adaptable to the narrow wellhead and harsh environment, and sensitive to operation. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a blowout preventer hoisting device.

[0004] This utility model discloses a blowout preventer (BOP) hoisting and moving device, comprising a guide rail and a hydraulic control box, as well as a traveling trolley assembly and a lifting hoist assembly. Multiple sets of traveling trolley assemblies are slidably mounted on the guide rail, with a lifting hoist assembly installed between two sets of traveling trolleys. The two sets of traveling trolleys are connected by a floating linkage, and the lifting hoist assembly and traveling trolleys are connected by a spherical bearing for floating connection. The hydraulic control box provides hydraulic driving force to the lifting hoist assembly. In use, the traveling trolley, with the assistance of the floating linkage, drives the lifting hoist assembly to move horizontally on the guide rail. Then, the hydraulic control box provides hydraulic driving force for hoisting, thereby lifting the BOP. The traveling trolley assembly is then moved stably on the guide rail, allowing the lifting hoist assembly to move the BOP directly above its installation position. Finally, the lifting hoist assembly is operated via the hydraulic control box to smoothly lower the BOP to its installation location, thus improving safety and reliability.

[0005] Preferably, the traveling trolley assembly includes wall panels, adjusting rods, a traveling motor, and a connecting shaft. A connecting shaft and adjusting rod are provided between the two sets of wall panels. A support sleeve is provided on the outside of the wall panels. A traveling motor is provided on one set of wall panels, and a wheel is provided at the output end of the traveling motor. The wheel is used to drive the two sets of wall panels to move on the guide rail. A screw is provided inside the adjusting rod. According to the width of the guide rail, the operator adjusts the width of the two sets of wall panels through the screw, starts the traveling motor, and thus causes the wheel to roll on the guide rail, thereby moving the wall panels and further causing the wall panels to drive the lifting hoist assembly to move horizontally.

[0006] Preferably, the hoist assembly includes a housing, a hoisting motor, a chain sprocket assembly, a chain box, a lower hook assembly, a chain guide frame, and a limit rod. The housing is installed at the bottom of the traveling trolley assembly. The hoisting motor is mounted on the housing, and the chain sprocket assembly is located at the output end of the hoisting motor. The chain guide frame is mounted on the housing, and the lower hook assembly is mounted on the chain sprocket assembly. The limit rod is located on the housing, and the chain box is located on the housing for storing the chain. In use, the hydraulic control box provides hydraulic driving force to the hoisting motor, thereby causing the hoisting motor to drive the chain sprocket assembly to rotate. This further causes the lower hook assembly on the chain sprocket assembly to lift the blowout preventer. When the chain sprocket assembly drives the lower hook assembly to rise, the chain guide frame guides the chain sprocket assembly, while the chain box stores the chain on the chain sprocket assembly. When the lower hook assembly touches the limit rod, the hoisting motor stops rotating, improving safety.

[0007] Preferably, it also includes a baffle and anti-collision rubber blocks. The baffle is provided on the guide rail, and the anti-collision rubber blocks are installed on the wall panel. When the trolley assembly moves on the guide rail, the wall panel contacts the baffle through the anti-collision rubber blocks, reducing the hard collision between the wall panel and the baffle and improving safety protection.

[0008] Preferably, it also includes safety lifting lugs A and B, which are respectively provided on the housing; when installing the hoist assembly, the workers can use safety lifting lugs A and B to hoist and install the hoist assembly, improving convenience.

[0009] Preferably, it also includes lifting lugs, which are installed on the wall panel; workers can use the lifting lugs to hoist and install the trolley components, improving convenience.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, the traveling trolley, in cooperation with the floating linkage, drives the lifting hoist assembly to move horizontally on the guide rail. Then, the hydraulic control box provides the lifting hoist assembly with the hydraulic driving force for hoisting, thereby enabling the lifting hoist assembly to hoist the blowout preventer. Afterwards, the traveling trolley assembly is operated to move stably on the guide rail, thereby enabling the lifting hoist assembly to move the blowout preventer to the top of the installation position. Finally, the lifting hoist assembly is operated through the hydraulic control box to smoothly lower the blowout preventer to the position for installation, thus improving safety and reliability. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 It is an enlarged structural diagram of structures such as floating links;

[0013] Figure 3 This is an enlarged structural diagram of components such as the adjusting rod and the travel motor;

[0014] Figure 4 This is an enlarged structural diagram of structures such as spherical bearings.

[0015] The following components are marked in the attached diagram: 1. Guide rail; 2. Hydraulic control box; 3. Wall panel; 4. Adjusting rod; 5. Travel motor; 6. Housing; 7. Lifting motor; 8. Chain sprocket assembly; 9. Chain box; 10. Lower hook assembly; 11. Chain guide frame; 12. Limiting rod; 13. Baffle; 14. Anti-collision rubber block; 15. Safety lifting lug A; 16. Safety lifting lug B; 17. Lifting lug; 18. Floating connecting rod; 19. Spherical bearing; 20. Connecting shaft. Detailed Implementation

[0016] 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

[0017] like Figures 1 to 2 As shown, the present invention provides a blowout preventer hoisting and moving device, including a guide rail 1 and a hydraulic control box 2, as well as a traveling trolley assembly and a lifting hoist assembly. Multiple sets of traveling trolley assemblies are slidably arranged on the guide rail 1, and a lifting hoist assembly is installed between two sets of traveling trolleys. The two sets of traveling trolleys are connected by a floating connecting rod 18, and the lifting hoist assembly and the traveling trolley are floatingly connected by a joint bearing 19. The hydraulic control box 2 provides hydraulic driving force for the lifting hoist assembly.

[0018] The traveling trolley assembly includes a wall panel 3, an adjusting rod 4, a traveling motor 5, and a connecting shaft 20. The connecting shaft 20 and the adjusting rod 4 are arranged between the two sets of wall panels 3. A support sleeve is provided on the outside of the wall panel 3. The traveling motor 5 is provided on one set of wall panels 3. The output end of the traveling motor 5 is provided with a wheel. The wheel is used to drive the two sets of wall panels 3 to move on the guide rail 1. A screw is provided inside the adjusting rod 4.

[0019] The hoist assembly includes a housing 6, a hoisting motor 7, a chain sprocket assembly 8, a chain box 9, a lower hook assembly 10, a chain guide frame 11, and a limit rod 12. The housing 6 is installed at the bottom of the traveling trolley assembly. The hoisting motor 7 is installed on the housing 6, and the chain sprocket assembly 8 is installed at the output end of the hoisting motor 7. The chain guide frame 11 is installed on the housing 6, the lower hook assembly 10 is installed on the chain sprocket assembly 8, the limit rod 12 is installed on the housing 6, and the chain box 9 is installed on the housing 6 for storing the chain.

[0020] In this embodiment, based on the width of the guide rail 1, the operator adjusts the width of the two sets of wall panels 3 using a screw, starts the travel motor 5, causing the wheels to roll on the guide rail 1, thereby moving the wall panel 3. This further causes the wall panel 3 to drive the hoist assembly to move horizontally. The hydraulic control box 2 provides hydraulic driving force to the hoist 7, causing the hoist 7 to drive the chain sprocket assembly 8 to rotate. This further causes the lower hook assembly 10 on the chain sprocket assembly 8 to hoist the blowout preventer. When the chain sprocket assembly 8 drives the lower hook assembly 10 to rise, the guide frame 11 guides the chain sprocket assembly 8, while the chain box 9 stores the chain on the chain sprocket assembly 8. When the lower hook assembly 10 touches the limit rod 12, the hoist 7 stops rotating, improving safety. Example

[0021] like Figures 1 to 2 As shown, the present invention provides a blowout preventer hoisting and moving device, including a guide rail 1 and a hydraulic control box 2, as well as a traveling trolley assembly and a lifting hoist assembly. Multiple sets of traveling trolley assemblies are slidably arranged on the guide rail 1, and a lifting hoist assembly is installed between two sets of traveling trolleys. The two sets of traveling trolleys are connected by a floating connecting rod 18, and the lifting hoist assembly and the traveling trolley are floatingly connected by a joint bearing 19. The hydraulic control box 2 provides hydraulic driving force for the lifting hoist assembly.

[0022] The traveling trolley assembly includes a wall panel 3, an adjusting rod 4, a traveling motor 5, and a connecting shaft 20. The connecting shaft 20 and the adjusting rod 4 are arranged between the two sets of wall panels 3. A support sleeve is provided on the outside of the wall panel 3. The traveling motor 5 is provided on one set of wall panels 3. The output end of the traveling motor 5 is provided with a wheel. The wheel is used to drive the two sets of wall panels 3 to move on the guide rail 1. A screw is provided inside the adjusting rod 4.

[0023] The hoist assembly includes a housing 6, a hoisting motor 7, a chain sprocket assembly 8, a chain box 9, a lower hook assembly 10, a chain guide frame 11, and a limit rod 12. The housing 6 is installed at the bottom of the traveling trolley assembly. The hoisting motor 7 is installed on the housing 6, and the chain sprocket assembly 8 is installed at the output end of the hoisting motor 7. The chain guide frame 11 is installed on the housing 6, the lower hook assembly 10 is installed on the chain sprocket assembly 8, the limit rod 12 is installed on the housing 6, and the chain box 9 is installed on the housing 6 for storing the chain.

[0024] like Figures 1 to 4 As shown, it also includes a baffle 13, a shock-absorbing rubber block 14, a safety lifting lug A15, a safety lifting lug B16, and a lifting lug 17. The guide rail 1 is provided with a baffle 13, the wall panel 3 is installed with a shock-absorbing rubber block 14, the housing 6 is provided with a safety lifting lug A15 and a safety lifting lug B16, and the wall panel 3 is installed with a lifting lug 17.

[0025] In this embodiment, based on the width of the guide rail 1, the operator adjusts the width of the two sets of wall panels 3 using a screw, starts the travel motor 5, causing the wheels to roll on the guide rail 1, thereby moving the wall panels 3. This further causes the wall panels 3 to drive the hoist assembly to move horizontally. The hydraulic control box 2 provides hydraulic driving force to the hoist 7, causing the hoist 7 to drive the chain sprocket assembly 8 to rotate. This further causes the lower hook assembly 10 on the chain sprocket assembly 8 to hoist the blowout preventer. When the chain sprocket assembly 8 drives the lower hook assembly 10 to rise, the guide chain frame 11... The chain sprocket assembly 8 is guided while the chain box 9 stores the chain on the chain sprocket assembly 8. When the hook assembly 10 touches the limit rod 12, the lifting motor 7 stops rotating. When the trolley assembly moves on the guide rail 1, the wall panel 3 contacts the baffle 13 through the anti-collision rubber block 14, reducing the hard collision between the wall panel 3 and the baffle 13. When installing the lifting hoist assembly, the workers use safety lifting lugs A15 and B16 to lift and install the lifting hoist assembly, and the workers use lifting lug 17 to lift and install the trolley assembly.

[0026] This utility model discloses a blowout preventer hoisting device. When the hydraulic station is not supplying oil, the hydraulic system's oil circuit is not circulating. When the hydraulic station is started, hydraulic oil enters the hydraulic system through the inlet pipe. The operating lever is in the neutral position, and the inlet and return oil of multi-way valves I and II are connected, creating an open oil circuit. The hydraulic station's inlet oil enters the return oil circuit through the multi-way valve in the operating box, and then circulates into the hydraulic station's oil tank. When the hydraulic station is started, hydraulic oil enters the hydraulic system through the inlet pipe.

[0027] Pushing the operating lever of multi-way valve I to the forward position connects the hydraulic station's inlet oil to port A via the multi-way valve and the return oil line to port B. The hydraulic oil then drives the travel motor through these lines. Pulling the operating lever of multi-way valve I to the rear position alternates between ports A and B, causing the travel motor to reverse. Releasing the operating lever allows it to enter the neutral position under spring pressure, connecting the hydraulic station's inlet and return oil lines and closing ports A and B, thus restricting motor rotation. Starting the hydraulic station allows hydraulic oil to enter the hydraulic system via the inlet line. Pushing the operating lever of multi-way valve II to the forward position connects the hydraulic station's inlet oil to port A via the multi-way valve and the return oil line to port B. The hydraulic oil then drives the lifting motor through these lines. Pulling the operating lever of multi-way valve II to the rear position alternates between ports A and B, causing the lifting motor to reverse. Release the multi-way valve operating lever, and it enters the neutral position under the action of the spring. The hydraulic station's oil inlet and return lines are connected, and ports A and B are connected to the return oil. The brake applies pressure to the motor. The main part of the hydraulic control technology is the multi-way valve operating box. Multi-way valves A and B, along with their pipelines, are connected to the lifting motor and the trolley motor, respectively. High-pressure oil from the hydraulic station enters the multi-way valve operating box through pipelines. Through multi-way valves I and II, or more sets of multi-way valves, and their pipelines, they are connected to the lifting motor and the trolley motor, respectively. Multi-way valve I often uses a Y-type working mechanism. Pushing the valve core forward with the operating lever connects the motor and the hydraulic station oil circuit, controlling the hoist to rise; pushing the valve core backward with the operating lever exchanges the oil circuit between the motor and the hydraulic station, controlling the hoist to descend. When the motor rises or falls, the oil circuit supplies oil to the brake through the shuttle valve. The brake is a normally closed mechanical brake. Under the oil supply pressure, it pushes open the spring, releasing the brake, and the motor rotates to operate. Releasing the operating lever returns the multi-way valve to its neutral position under spring action, connecting the return oil and motor oil circuits. Pressure disappears, and the brake, activated by the spring, applies braking force to prevent load slippage. The motor is equipped with a balance valve; during ascent, the oil circuit supplies oil to the motor unimpeded through the check valve in the balance valve; during descent, the oil circuit drains oil through the overflow valve C in the balance valve, restricting motor rotation and eliminating motor stall caused by gravity. Multi-way valve II, with an O-type function, connects to the travel motor. Pushing the operating lever forward or backward allows high-pressure oil to control the trolley's forward or backward movement via pipelines. Releasing the operating lever returns the multi-way valve to its neutral position under spring action, disconnecting the trolley's oil circuits and preventing hydraulic oil flow, thus restricting motor rotation. Gravity creates resistance to trolley movement; the oil circuit restricts motor rotation, further hindering trolley movement and creating a braking effect. Ascent requires overcoming gravity, resulting in the highest working pressure; to limit this pressure, overflow valve A is used to limit the system pressure. The descent and travel are minimally affected by gravity. To avoid high working pressure, the hydraulic oil passes through a multi-way valve, then a check valve, and finally connects to relief valve B to maintain medium pressure. The travel motor has low operating resistance, requiring low hydraulic oil pressure and flow rate. The oil supply is controlled by a throttle valve, which regulates the travel motor speed and thus the trolley's travel speed. Excess hydraulic oil is discharged through relief valve B. Two-position three-way mechanical valves A and B are connected to the motor's oil supply line. Without triggering the limit lever, the oil circuit from the control box to the motor is open, and the motor operates normally.The limit lever actuates the mechanical valve, disconnecting the oil supply to the motor and opening the return oil circuit, causing the motor to stop rotating and thus creating a limit.

[0028] The walking motor (5) and lifting motor (7) of the blowout preventer 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 the need for technical personnel in this field to make creative efforts.

[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 blowout preventer hoisting device, comprising a guide rail (1) and a hydraulic control box (2), characterized in that, It also includes a traveling trolley assembly and a hoist assembly. Multiple traveling trolley assemblies are slidably arranged on the guide rail (1). A hoist assembly is installed between two traveling trolleys. The two traveling trolleys are connected by a floating connecting rod (18). The hoist assembly and the traveling trolley are connected by a joint bearing (19). The hydraulic control box (2) provides hydraulic driving force for the hoist assembly.

2. The blowout preventer hoisting and moving device as described in claim 1, characterized in that, The walking trolley assembly includes a wall panel (3), an adjusting rod (4), a walking motor (5), and a connecting shaft (20). The connecting shaft (20) and the adjusting rod (4) are provided between the two sets of wall panels (3). A support sleeve is provided on the outside of the wall panel (3). A walking motor (5) is provided on one set of wall panels (3). A wheel is provided at the output end of the walking motor (5). The wheel is used to drive the two sets of wall panels (3) to move on the guide rail (1). A screw is provided inside the adjusting rod (4).

3. The blowout preventer hoisting and moving device as described in claim 1, characterized in that, The hoist assembly includes a housing (6), a hoisting motor (7), a chain sprocket assembly (8), a chain box (9), a lower hook assembly (10), a chain guide frame (11), and a limit rod (12). The housing (6) is installed at the bottom of the traveling trolley assembly. The hoisting motor (7) is installed on the housing (6). The chain sprocket assembly (8) is installed at the output end of the hoisting motor (7). The chain guide frame (11) is installed on the housing (6). The lower hook assembly (10) is installed on the chain sprocket assembly (8). The limit rod (12) is installed on the housing (6). The chain box (9) is installed on the housing (6) and is used to store the chain.

4. The blowout preventer hoisting and moving device as described in claim 2, characterized in that, It also includes a baffle (13) and a collision-resistant rubber block (14). The guide rail (1) is provided with a baffle (13), and the wall panel (3) is installed with a collision-resistant rubber block (14).

5. The blowout preventer hoisting and moving device as described in claim 3, characterized in that, It also includes safety lug A (15) and safety lug B (16), which are respectively provided on the housing (6).

6. The blowout preventer hoisting and moving device as described in claim 2, characterized in that, It also includes a lifting lug (17), which is installed on the wall panel (3).

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