CN211008500U - Blowout preventer maintenance platform - Google Patents
Blowout preventer maintenance platform Download PDFInfo
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- CN211008500U CN211008500U CN201921763804.1U CN201921763804U CN211008500U CN 211008500 U CN211008500 U CN 211008500U CN 201921763804 U CN201921763804 U CN 201921763804U CN 211008500 U CN211008500 U CN 211008500U
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- arm
- lifting base
- lifting
- arm support
- connecting rods
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Abstract
The utility model discloses a blowout preventer overhauls platform mainly comprises supporting leg, receive and release arm, lifting pedestal, cantilever crane and work platform. The working platform is arranged at the top of the arm support and vertically moves up and down along with the lifting of the arm support. When the retractable arm is retracted, the lifting base is erected on the derrick base, and when the retractable arm is extended, the lifting base is in a horizontal state. The utility model relates to a conveniently overhaul mechanical device of preventer has realized adopting full hydraulic control, can overhaul preventer both sides position respectively, can pack up during non-working and do not influence drilling construction.
Description
Technical Field
The utility model relates to an oil-well rig overhauls device, especially a blowout preventer overhauls platform of oil drilling field.
Background
The blowout preventer of the oil rig is positioned under the drill floor, and a crane and a hanging basket cannot be used. The accumulated height of the blowout preventer group can reach six to seven meters, the maintenance is very inconvenient, the periphery of the blowout preventer is a square well which is as deep as four to five meters, workers need to bear safety ropes to work, and the safety risk is high. By retrieving the prior art, no mechanical device special for overhauling the blowout preventer of the oil drilling rig exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to overcome prior art's not enough, provides one kind and adopts full hydraulic control, can overhaul preventer both sides position respectively, and non-working period can pack up the preventer maintenance platform that does not influence drilling construction.
In order to solve the technical problem, the utility model discloses a realize through adopting following technical scheme mode:
a blowout preventer overhaul platform mainly comprises supporting legs, a retracting arm, a lifting base, an arm support and a working platform; wherein: one end of the lifting base is provided with a hinged end connected with the derrick base, and the other free end is provided with a supporting leg; the supporting legs are hinged with the free end of the lifting base and can freely rotate around the hinged shaft to be perpendicular to and parallel to the lifting base; one end of the retracting arm is hinged with the lifting base, the other end of the retracting arm is provided with a hinged end connected with the derrick base, and the retracting arm is a telescopic mechanism; when the retractable arm is retracted, the lifting base is erected on one side of the derrick base, the supporting legs are retracted to be parallel to the lifting base, when the retractable arm is extended, the lifting base is in a horizontal state, and the supporting legs swing to be perpendicular to the free end of the lifting base; the arm support is a folding telescopic support and is arranged between the lifting base and the working platform, and the working platform moves vertically along with the lifting of the arm support.
The above scheme further comprises:
the arm support is hinged by a plurality of connecting rods to form a scissor connecting rod structure, the arm support generates scissor lifting motion through a telescopic mechanism, one of the two groups of connecting rods at the upper end part of the arm support is hinged with the bottom of the working platform, the other group of the two groups of connecting rods at the lower end part of the arm support is matched with a sliding support at the bottom of the working platform, one of the two groups of connecting rods at the lower end part of the arm support is hinged with the upper surface of the lifting base, and the other group.
A group of connecting rods at the upper end part of the arm support and the bottom of the working platform form sliding support matching through sliding chutes, and a group of connecting rods at the lower end part of the arm support and the upper surface of the lifting base form sliding support matching through rollers.
And a group of connecting rods at the upper end part of the arm support and the bottom of the working platform form sliding support matching through the sliding chute and the roller wheel, and a group of connecting rods at the lower end part and the upper surface of the lifting base form sliding support matching through the sliding chute and the roller wheel.
The telescopic mechanism is one of a hydraulic oil cylinder, a hydraulic air cylinder or a linear driving screw.
A safety valve is arranged in a pipeline of the hydraulic oil cylinder or the hydraulic air cylinder.
The safety valve comprises one or more of a one-way valve, a flow regulating valve, an electromagnetic valve and an overflow valve.
The utility model discloses a blowout preventer overhauls platform mainly comprises supporting leg, receive and release arm, lifting pedestal, cantilever crane and work platform. One end of the lifting base is connected with the derrick base, and the other end of the lifting base is provided with a supporting leg; the supporting legs are hinged with the lifting base, and can swing to be parallel to the lifting base when being recovered; two ends of the retracting arm are respectively hinged with the derrick base and the lifting base, and the retracting arm can be retracted; when the retractable arm is retracted, the lifting base is erected on the derrick base, the supporting legs are retracted until the lifting base is parallel, when the retractable arm is extended, the lifting base is in a horizontal state, and the supporting legs swing to the far end of the lifting base and fall to the ground to support the lifting base; the working platform is arranged at the top of the arm support and vertically moves up and down along with the lifting of the arm support; the arm support is extended or shortened in the vertical direction, so that the working platform can move up and down.
The arm support is hinged by a plurality of connecting rods to form a scissor connecting rod structure, so that the arm support generates scissor type vertical lifting motion. The arm support pushes the tail end of a bottom connecting rod of the arm support to slide in sliding grooves of the upper plane of the lifting base and the lower plane of the working platform through a hydraulic cylinder. One end of the lifting base is connected with the derrick base through a hinge lug. Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a full hydraulic control goes up and down, can make things convenient for the workman to overhaul preventer both sides position, has reduced intensity of labour, has strengthened the construction security, can pack up to not influence the drilling construction on the derrick base during the non-working period.
Drawings
Fig. 1 is a front view of the working state of the blowout preventer servicing platform of the present invention.
Figure 2 is a right side view of the blowout preventer service platform of figure 1 in an operational state.
Figure 3 is a top view of the operational status of the blowout preventer service platform of figure 1.
FIG. 4 is a top view of the blowout preventer service platform of FIG. 1 with the support legs retracted.
The labels in the figure are: 1. the derrick comprises a working platform, an arm support 2, an arm support 3, a supporting leg 4, a retracting arm 5, a derrick base 6 and a lifting base 6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to the attached drawings 1 to 4 of the specification, the utility model discloses a blowout preventer overhauls platform is the mechanical device who is used for installing and overhauls the blowout preventer, adopts full hydraulic control, can overhaul blowout preventer both sides position respectively, can pack up during non-working and do not influence drilling construction.
The arm support 2 is hinged by a plurality of connecting rods to form a scissor connecting rod structure, the arm support 2 generates scissor lifting motion through a telescopic mechanism, one of the two groups of connecting rods at the upper end part of the arm support is hinged with the bottom of the working platform 1, the other group of connecting rods is matched with a sliding support at the bottom of the working platform 1, one of the two groups of connecting rods at the lower end part of the arm support is hinged with the upper surface of the lifting base 6, and the other group of connecting rods is matched with the sliding support at the upper surface of.
In the above embodiment, the telescopic mechanism is one of a hydraulic oil cylinder, a hydraulic air cylinder or a linear driving screw. A safety valve is arranged in a pipeline of the hydraulic oil cylinder or the hydraulic air cylinder. The safety valve comprises one or more of a one-way valve, a flow regulating valve, an electromagnetic valve and an overflow valve.
The blowout preventer overhauling platform consists of supporting legs 3, a retracting arm 4, a lifting base 6, an arm support 2 and a working platform 1. One end of the lifting base 6 is connected with the derrick base 5 through a hinge lug, the other end of the lifting base is provided with a supporting leg 3, the supporting leg 3 is hinged with the lifting base 6, and the supporting leg 3 can swing to two sides of the lifting base 6 during recovery; the retractable arm 4 consists of a hydraulic telescopic oil cylinder and a piston rod, two ends of the retractable arm 4 are respectively hinged with the derrick base 5 and the lifting base 6, when the retractable arm 4 is retracted, the lifting base 6 is erected on the derrick base 5, and the supporting legs 3 are retracted to two sides of the lifting base 6; when receiving and releasing arm 4 and stretching out, lifting pedestal 6 is the horizontality, and supporting leg 3 swung to lifting pedestal 6 distal end and dropped to ground this moment to support lifting pedestal 6.
The lifting base 6 is formed by welding steel plates with corresponding strength. The upper plane of the lifting base 6 is provided with a hinge lug and a pulley for mounting the arm support 2. The arm support 2 is in a scissor fork connecting rod structure formed by hinging a plurality of connecting rods, so that the arm support 2 generates scissor fork type lifting motion, and each connecting rod of the arm support 2 is made of a high-strength seamless rectangular pipe, so that the arm support is high in strength and attractive in appearance. The hydraulic cylinder pushes the tail end of the bottom connecting rod of the arm support 2 to slide in the sliding grooves of the upper plane of the lifting base 6 and the lower plane of the working platform, the arm support 2 extends or shortens in the vertical direction, and the working platform 1 is driven to move up and down.
The working platform 1 is a rectangular platform, is arranged at the top of the arm support 2 and vertically moves up and down along with the lifting of the arm support 2, safety guardrails are arranged on the periphery of the working platform, and skirting boards are welded on the lower portions of the safety guardrails to prevent objects from sliding down and hurting people.
The working principle is as follows: the hydraulic cylinder absorbs oil from the oil pump, pushes a piston in the hydraulic cylinder, and the jacking cross arm frame 2 vertically rises; when the pressure oil drops, the pressure oil flows back to the oil tank through the electromagnetic valve under the monitoring of the speed limiting valve and the flow regulating valve. When the hydraulic cylinder is overloaded, the pressure oil output by the oil pump directly flows back to the oil tank through an overflow valve (safety valve). In order to prevent the oil pipe from breaking and generating an uncontrolled descending accident, a one-way speed limiting valve is arranged on an oil inlet pipeline (also used as an oil return pipeline) of each hydraulic cylinder, and the oil pipe can be ensured to descend at a normal descending speed even under the condition that the oil pipe breaks.
Claims (7)
1. A blowout preventer service platform which characterized in that: mainly comprises supporting legs (3), a retracting arm (4), a lifting base (6), an arm support (2) and a working platform (1); wherein: one end of the lifting base (6) is provided with a hinged end with the derrick base (5), and the other free end is provided with a supporting leg (3); the supporting legs (3) are hinged with the free end of the lifting base (6) and can freely rotate around a hinged shaft to be perpendicular to and parallel to the lifting base (6); one end of the retracting arm (4) is hinged with the lifting base (6), the other end of the retracting arm is provided with a hinged end with the derrick base (5), and the retracting arm (4) is a telescopic mechanism; when the retractable arm (4) is retracted, the lifting base (6) is erected on one side of the derrick base (5), the supporting legs (3) are retracted to be parallel to the lifting base (6), when the retractable arm (4) extends out, the lifting base (6) is in a horizontal state, and the supporting legs (3) swing to be vertical to the free end of the lifting base (6); the arm support (2) is a folding telescopic support and is arranged between the lifting base (6) and the working platform (1), and the working platform (1) moves vertically along with the lifting of the arm support (2).
2. The blowout preventer service platform of claim 1, wherein: the arm support (2) is hinged by a plurality of connecting rods to form a scissor fork connecting rod structure, the arm support (2) generates scissor fork type lifting motion through a telescopic mechanism, one of the two groups of connecting rods at the upper end part of the arm support is hinged with the bottom of the working platform (1), the other group of connecting rods is matched with a sliding support at the bottom of the working platform (1), one of the two groups of connecting rods at the lower end part of the arm support is hinged with the upper surface of the lifting base (6), and the other group of connecting rods is matched with the sliding support at the upper surface of the lifting.
3. The blowout preventer service platform of claim 2, wherein: a group of connecting rods at the upper end part of the arm support (2) and the bottom of the working platform (1) form sliding support matching through sliding chutes, and a group of connecting rods at the lower end part of the arm support form sliding support matching with the upper surface of the lifting base (6) through rollers.
4. The blowout preventer service platform of claim 2, wherein: a group of connecting rods at the upper end part of the arm support (2) and the bottom of the working platform (1) form sliding support matching through a sliding chute and a roller wheel, and a group of connecting rods at the lower end part form sliding support matching with the upper surface of the lifting base (6) through the sliding chute and the roller wheel.
5. The blowout preventer service platform of any one of claims 1-4, wherein: the telescopic mechanism is one of a hydraulic oil cylinder, a hydraulic air cylinder or a linear driving screw.
6. The blowout preventer service platform of claim 5, wherein: a safety valve is arranged in a pipeline of the hydraulic oil cylinder or the hydraulic air cylinder.
7. The blowout preventer service platform of claim 6, wherein: the safety valve comprises one or more of a one-way valve, a flow regulating valve, an electromagnetic valve and an overflow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763804.1U CN211008500U (en) | 2019-10-21 | 2019-10-21 | Blowout preventer maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763804.1U CN211008500U (en) | 2019-10-21 | 2019-10-21 | Blowout preventer maintenance platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008500U true CN211008500U (en) | 2020-07-14 |
Family
ID=71499634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763804.1U Active CN211008500U (en) | 2019-10-21 | 2019-10-21 | Blowout preventer maintenance platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211008500U (en) |
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2019
- 2019-10-21 CN CN201921763804.1U patent/CN211008500U/en active Active
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