Offshore platform frequency converter dismounting and transferring tool

Abstract

The utility model discloses an offshore platform frequency converter dismounting and transferring tool which comprises a supporting frame, the supporting frame comprises a rectangular frame (1), the rectangular frame (1) is formed by connecting four horizontal telescopic beams (2) in a surrounding mode, the lower portions of the four horizontal telescopic beams (2) are respectively provided with a lifting hook (3), and the lifting hooks (3) are connected with the lifting hooks (3). The four vertical supporting beams (4) are arranged at the bottoms of the four corners of the rectangular frame (1) respectively, the bottoms of the vertical supporting beams (4) are sleeved with sleeves (5), hydraulic cylinders (6) used for lifting the vertical supporting beams (4) are arranged in the sleeves (5), and first universal wheels (7) are arranged at the bottoms of the sleeves (5). The beneficial effects of the utility model are that the tool is convenient for dismounting, moving and mounting the frequency converter, and improves the work convenience and work efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation devices, in particular to a tool for disassembling, assembling and transporting frequency converters on offshore platforms. Background Art

[0002] Oil production on offshore platforms is generally carried out by lifting with electric submersible pumps. The electric submersible pumps are driven by frequency converters, and the frequency of the electric submersible pumps can be adjusted according to actual production needs to meet certain pressure and flow requirements. The frequency converter is a key device that drives the variable frequency operation of the electric submersible pumps. The electric submersible pumps are often replaced due to replacement of production well drilling and workover operations or liquid extraction needs. After the electric submersible pumps are replaced, the power does not match the original frequency converter, and the frequency converter needs to be replaced. Or the corresponding frequency converter needs to be replaced due to aging and failure of the frequency converter during long-term operation. Since the replacement of the frequency converter affects the production timeliness and output on site, the timeliness of the replacement is required to be high.

[0003] In actual work, the replacement of the inverter involves the removal of the old inverter and the dragging of the new inverter into place. However, there are currently problems such as the lack of special tools for the replacement operation, the excessive weight of a single inverter, difficulty in moving, the small installation location of the inverter cabinet, limited indoor working space and no suitable hanging points, and the inability to use a crane. The replacement process of the inverter is time-consuming and difficult, and urgently needs to be improved. Summary of the invention

[0004] The utility model aims to provide an offshore platform frequency converter disassembly and transportation tool, which can facilitate the disassembly, movement and installation of the frequency converter, thereby improving work convenience and work efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tool for disassembling, assembling and transporting frequency converters on an offshore platform comprises a support frame, wherein the support frame comprises a rectangular frame, and the rectangular frame is a rectangular frame formed by connecting four horizontal telescopic beams, wherein the lower parts of the four horizontal telescopic beams are respectively provided with hooks, and four vertical support beams are respectively arranged at the bottom of the four corners of the rectangular frame, and the bottom of the vertical support beam is provided with a sleeve, and a hydraulic cylinder for lifting the vertical support beam is arranged in the sleeve, and a first universal wheel is arranged at the bottom of the sleeve.

[0007] Furthermore, the horizontal telescopic beam includes an inner tube and an outer tube which are nested with each other, and the inner tube and the outer tube are both provided with a plurality of first pairs of through holes with the same intervals, and a first adjusting member is inserted into the first pair of through holes on the outer tube and the inner tube to fix the outer tube and the inner tube together, and the hook is located on the outer tube.

[0008] Furthermore, the hook is hung on the outer tube through a lifting ring, and a locking tongue is provided at the opening of the hook.

[0009] Furthermore, the vertical support beam and the sleeve are each provided with a plurality of second pairs of through holes with equal intervals, and the second adjustment member is inserted into the second pair of through holes on the vertical support beam and the sleeve to fix the vertical support beam and the sleeve together.

[0010] Furthermore, the first adjusting member and the second adjusting member are latches.

[0011] Furthermore, diagonal braces are provided between each of the four horizontal telescopic beams and between the horizontal telescopic beams and the vertical support beams.

[0012] Furthermore, it also includes a portable hydraulic station, the output end of the portable hydraulic station is connected to the pipe joint of the hydraulic cylinder through a hydraulic hose.

[0013] Furthermore, the portable hydraulic station includes a drive motor encapsulated in a box shell, a hydraulic oil tank, an electric hydraulic pump, a manual hydraulic pump, a diverter joint, a first input pipeline, a second input pipeline, a first output pipeline, a second output pipeline, a first hydraulic regulating pipeline, a second hydraulic regulating pipeline, a hydraulic oil return pipeline, a first throttle valve, a second throttle valve, a one-way valve, an isolation valve, a pressure regulating valve, a relief valve, a first oil circuit switching valve, a second oil circuit switching valve, and a pressure gauge. The drive motor is used to drive the electric hydraulic pump to work, the input end of the electric hydraulic pump is connected to the hydraulic oil tank through the first input pipeline, and the output end of the electric hydraulic pump is connected to the diverter joint through the first output pipeline. The first oil circuit switching valve, the one-way valve, and the first throttle valve are sequentially arranged on the first output pipeline. The diverter joint is provided with four output interfaces, and the four output interfaces are connected to the four hydraulic cylinders one by one through hydraulic hoses. Pipe joint, the hydraulic oil tank is connected to the input end of the one-way valve through the first hydraulic regulating pipeline and the second hydraulic regulating pipeline respectively, the pressure regulating valve and the pressure gauge are arranged on the first hydraulic regulating pipeline, the overflow valve is arranged on the second hydraulic regulating pipeline, the hydraulic oil tank is connected with the diverter joint through the hydraulic oil return pipeline, the second throttle valve and the isolation valve are arranged on the hydraulic oil return pipeline in sequence, the input end of the manual hydraulic pump is connected with the hydraulic oil tank through the second input pipeline, the output end of the manual hydraulic pump is connected to the output end of the first oil circuit switching valve through the second output pipeline, the second oil circuit switching valve is arranged on the second output pipeline, a plurality of second universal wheels are provided at the bottom of the box shell, the box shell is provided with wiring terminals for connecting the drive motor to electricity and a button panel for controlling the opening and closing of the drive motor, the side of the box shell is provided with a trolley handle, and the side of the box shell is provided with a switch door.

[0014] Furthermore, the first universal wheel and the second universal wheel are both provided with brake devices.

[0015] The beneficial effects of the utility model are as follows: the tool can facilitate the disassembly, assembly and transportation of the frequency converter, reduce the number of operators by more than half and shorten the operation time, solve the problem of indoor heavy object transfer, and improve work convenience and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the support frame in the utility model.

[0017] Figure 2 It is a side view of the support frame in the utility model.

[0018] Figure 3 It is a top view of the support frame in the utility model.

[0019] Figure 4 It is a structural schematic diagram of the portable hydraulic station in the utility model. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be described below in conjunction with the accompanying drawings.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown, a tool for disassembling, assembling and transporting inverters on an offshore platform includes a supporting frame, wherein the supporting frame includes a rectangular frame 1, and the rectangular frame 1 is a rectangular frame formed by connecting four horizontal telescopic beams 2. The lower parts of the four horizontal telescopic beams 2 are respectively provided with hooks 3, and four vertical support beams 4 are respectively arranged at the bottom of the four corners of the rectangular frame 1, and the bottom of the vertical support beam 4 is sleeved with a sleeve 5, and the sleeve 5 is provided with a hydraulic cylinder 6 for lifting the vertical support beam 4, and a first universal wheel 7 is arranged at the bottom of the sleeve 5.

[0022] In this embodiment, the inverter to be replaced is firstly powered off and isolated, and the external wiring, hardware and bolts are removed to expose the inverter. According to the size and height of the current inverter, the hydraulic cylinder 6 lifts the vertical support beam 4, and the vertical support beam 4 raises the height of the rectangular frame 1 to ensure that the height of the rectangular frame 1 is adapted to the height of the inverter. Then, the horizontal telescopic beam 2 is extended to more than twice the length of the inverter. Then, the first universal wheel 7 is used to move the support frame so that the rectangular frame 1 is downwardly aligned with the inverter, and the four hooks 3 are hooked to the four hooks on the top of the inverter. Lifting point, use hydraulic cylinder 6 again to drive rectangular frame 1 to rise, when the inverter is lifted to a suitable height along with rectangular frame 1, push the support frame to make the inverter completely leave the current installation position, then use hydraulic cylinder 6 to drive rectangular frame 1 to descend, slowly place the inverter on the ground, and complete the removal and transportation of the inverter. When the inverter needs to be reinstalled, just follow the reverse steps. This tool can facilitate the disassembly, assembly and transportation of the inverter, reduce the number of operators by more than half, shorten the operation time, solve the problem of indoor heavy object transfer, and provide work convenience and work efficiency.

[0023] The horizontal telescopic beam 2 includes an inner tube 8 and an outer tube 9 which are sleeved with each other. The inner tube 8 and the outer tube 9 are both provided with a plurality of first pairs of through holes 10 with the same interval. The first adjusting member 11 is inserted into the first pairs of through holes 10 on the outer tube 9 and the inner tube 8 so that the outer tube 9 and the inner tube 8 are fixed together. The hook 3 is located on the outer tube 9. The combined design of the inner tube 8 and the outer tube 9 enables the support frame to be disassembled and separated or connected as one. According to the size and height of the frequency converter, the support frame can be reassembled from four directions of the frequency converter, so that the positioning and docking operation of the frequency converter by the tool is more efficient and quick, and the frequency converter can be quickly disassembled and moved. When the horizontal telescopic beam 2 is adjusted to a suitable length, the first adjusting member 11 can be inserted into the first pair of through holes 10 to fix the outer tube 9 and the inner tube 8, thereby ensuring the stability and safety of the frequency converter during lifting and lowering.

[0024] The hook 3 is hung on the outer tube 9 through the lifting ring 46, and a locking tongue 15 is provided at the opening of the hook 3. The lifting ring 46 enables the hook 3 to move within a limited range and rotate within a limited angle, so that the hook 3 can be hooked into the lifting point of the inverter. The locking tongue 15 prevents accidental unhooking.

[0025] The vertical support beam 4 and the sleeve 5 are both provided with a plurality of second pairs of through holes 12 with the same intervals, and the second adjusting member 13 is inserted into the second pairs of through holes 12 on the vertical support beam 4 and the sleeve 5 to fix the vertical support beam 4 and the sleeve 5 together. After the rectangular frame 1 is raised or lowered to a suitable height by the hydraulic cylinder 6, the second adjusting member 13 can be inserted into the second pair of through holes 12 to fix the vertical support beam 4 and the sleeve 5, thereby preventing the inverter from falling suddenly due to the accidental discharge of the hydraulic pressure inside the hydraulic cylinder 6.

[0026] The first adjusting member 11 and the second adjusting member 13 are latches.

[0027] Diagonal braces 14 are provided between the four horizontal telescopic beams 2 and between the horizontal telescopic beams 2 and the vertical support beams 4. The diagonal braces 14 serve to increase the support strength of the support frame and ensure the stability and safety of the frequency converter during lifting and lowering.

[0028] like Figure 1 and Figure 4 As shown, a portable hydraulic station 16 is also included, and the output end of the portable hydraulic station 16 is connected to the pipe joint 17 of the hydraulic cylinder 6 through a hydraulic hose 47. The portable hydraulic station 16 provides hydraulic oil to the hydraulic cylinder 6 through the hydraulic hose 47, driving the hydraulic cylinder 6 to lift the vertical support beam 4, and the hydraulic oil in the hydraulic cylinder 6 is discharged to the portable hydraulic station 16, so that the hydraulic cylinder 6 can be driven to slowly lower the vertical support beam 4, and finally the lifting and lowering of the frequency converter is realized.

[0029] The portable hydraulic station 16 includes a drive motor 18 encapsulated in a housing 40, a hydraulic oil tank 19, an electric hydraulic pump 20, a manual hydraulic pump 21, a flow divider 22, a first input pipeline 23, a second input pipeline 24, a first output pipeline 25, a second output pipeline 26, a first hydraulic regulating pipeline 27, a second hydraulic regulating pipeline 28, a hydraulic oil return pipeline 29, a first throttle valve 30, a second throttle valve 31, a one-way valve 32, an isolation valve 33, a pressure regulating valve 34, a relief valve 35, a first oil circuit switching valve 36, and a second oil circuit switching valve 37. , pressure gauge 38, the driving motor 18 is used to drive the electric hydraulic pump 20 to work, the input end of the electric hydraulic pump 20 is connected to the hydraulic oil tank 19 through the first input pipeline 23, the output end of the electric hydraulic pump 20 is connected to the shunt joint 22 through the first output pipeline 25, the first oil circuit switching valve 36, the one-way valve 32, and the first throttle valve 30 are sequentially arranged on the first output pipeline 25, the shunt joint 22 is provided with four output interfaces 39, and the four output interfaces 39 are connected to the four hydraulic The pipe joint 17 of the cylinder 6, the hydraulic oil tank 19 is connected to the input end of the one-way valve 32 through the first hydraulic regulating pipeline 27 and the second hydraulic regulating pipeline 28 respectively, the pressure regulating valve 34 and the pressure gauge 38 are arranged on the first hydraulic regulating pipeline 27, the overflow valve 35 is arranged on the second hydraulic regulating pipeline 28, the hydraulic oil tank 19 is connected to the diverter joint 22 through the hydraulic oil return pipeline 29, the second throttle valve 31 and the isolation valve 33 are arranged on the hydraulic oil return pipeline 29 in sequence, and the input end of the manual hydraulic pump 21 is connected to the one-way valve 32 through the one-way valve 32. The second input pipeline 24 is connected to the hydraulic oil tank 19, the output end of the manual hydraulic pump 21 is connected to the output end of the first oil circuit switching valve 36 through the second output pipeline 26, the second oil circuit switching valve 37 is arranged on the second output pipeline 26, a plurality of second universal wheels 41 are arranged at the bottom of the box shell 40, the box shell 40 is provided with wiring terminals 42 for connecting electricity to the drive motor 18 and a button panel 43 for controlling the opening and closing of the drive motor 18, the side of the box shell 40 is provided with a trolley handle 44, and the side of the box shell 40 is provided with a switch door.

[0030] The portable hydraulic station 16 can provide or recover hydraulic oil to the hydraulic cylinder 6 by electric control and manual control. Regarding the electric control output of the hydraulic oil, the drive motor 18 is used to drive the electric hydraulic pump 20 to work. The electric hydraulic pump 20 extracts hydraulic oil from the hydraulic oil tank 19 through the first input pipeline 23, and provides hydraulic oil to the hydraulic cylinder 6 through the first output pipeline 25, the diverter joint 22, and the hydraulic hose 47. Among them, the diverter joint 22 is equipped with four output interfaces 39, which can simultaneously input hydraulic oil to four hydraulic cylinders 6 to achieve four vertical supports. The first hydraulic regulating pipeline 27 is provided with a pressure regulating valve 34 and a pressure gauge 38, which can make the hydraulic oil flow back to the hydraulic oil tank 19 through the first hydraulic regulating pipeline 27, so as to realize the real-time regulation of the hydraulic oil delivery pressure of the first output pipeline 25. If the oil pressure in the first output pipeline 25 is too high, the overflow valve 35 will open, and the hydraulic oil will flow back to the hydraulic oil tank 19 by using the second hydraulic regulating pipeline 28, so as to realize the rapid pressure reduction treatment. Regarding the manual control output of the hydraulic oil, the manual hydraulic pump 21 can be used to extract the hydraulic oil from the hydraulic oil tank 19, and the manual hydraulic The pressure pump 21 is connected to the first output pipeline 25 through the second output pipeline 26 to realize the outward output of the hydraulic oil. It only needs to control the switch of the first oil circuit switching valve 36 and the second oil circuit switching valve 37 to realize the flow control of the hydraulic oil. The tool uses the hydraulic oil return pipeline 29 to recover the hydraulic oil to the hydraulic oil tank 19. When the hydraulic oil in the hydraulic cylinder 6 flows to the diverter joint 22 through the hydraulic hose 47, since the first output pipeline 26 is equipped with a first throttle valve 30 and a one-way valve 32, and the hydraulic oil return pipeline 29 is equipped with a second throttle valve 31 and an isolation valve 3 3, so when the second throttle valve 31 and the isolation valve 33 are turned on, the hydraulic oil can flow back to the hydraulic oil tank 19; the portable hydraulic station 16 is also equipped with a protective box shell 40, and the box shell 40 is equipped with a second universal wheel 41 and a trolley handle 44, so that the portable hydraulic station 16 can be pushed and moved, and cooperate with the supporting frame. The button panel 43 is used to quickly start or shut down the drive motor 18, and the door is convenient for on-site personnel to manually operate the manual hydraulic pump 21. Different available equipment components are prepared to avoid different unexpected situations, ensuring that the inverter can be smoothly disassembled and transported.

[0031] The first universal wheel 7 and the second universal wheel 41 are both provided with a brake device 45. The brake device 45 can stop the movement of the first universal wheel 7 and the second universal wheel 41, prevent the support frame and the portable hydraulic station 16 from moving randomly during the process of moving the frequency converter, and ensure the safety of the operation of the on-site personnel.

Claims

1. An offshore platform inverter disassembly and transportation tool, comprising a support frame, characterized in that: The support frame comprises a rectangular frame (1), wherein the rectangular frame (1) is a rectangular frame formed by connecting four horizontal telescopic beams (2), the lower parts of the four horizontal telescopic beams (2) are respectively provided with hooks (3), four vertical support beams (4) are respectively arranged at the bottom of the four corners of the rectangular frame (1), the bottom of the vertical support beam (4) is sleeved with a sleeve (5), the sleeve (5) is provided with a hydraulic cylinder (6) for lifting the vertical support beam (4), and the first universal wheel (7) is arranged at the bottom of the sleeve (5).

2. The offshore platform inverter disassembly and transportation tool according to claim 1 is characterized by: The horizontal telescopic beam (2) comprises an inner tube (8) and an outer tube (9) which are sleeved with each other, the inner tube (8) and the outer tube (9) are each provided with a plurality of first pairs of through holes (10) with equal intervals, a first adjusting member (11) is inserted into the first pairs of through holes (10) on the outer tube (9) and the inner tube (8) so as to fix the outer tube (9) and the inner tube (8) together, and the hook (3) is located on the outer tube (9).

3. The offshore platform inverter disassembly and transportation tool according to claim 2 is characterized in that: The hook (3) is hung on the outer tube (9) via a lifting ring (46), and a locking tongue (15) is provided at the opening of the hook (3).

4. The offshore platform inverter disassembly and transportation tool according to claim 2 is characterized in that: The vertical support beam (4) and the sleeve (5) are both provided with a plurality of second pairs of through holes (12) at equal intervals, and the second adjustment member (13) is inserted into the second pairs of through holes (12) on the vertical support beam (4) and the sleeve (5) so as to fix the vertical support beam (4) and the sleeve (5) together.

5. The offshore platform inverter disassembly and transportation tool according to claim 4 is characterized in that: The first adjusting member (11) and the second adjusting member (13) are latches.

6. The offshore platform inverter disassembly and transportation tool according to claim 1, characterized in that: Diagonal braces (14) are provided between each of the four horizontal telescopic beams (2) and between the horizontal telescopic beams (2) and the vertical support beam (4).

7. The offshore platform inverter disassembly and transportation tool according to claim 1, characterized in that: It also includes a portable hydraulic station (16), the output end of the portable hydraulic station (16) being connected to the pipe joint (17) of the hydraulic cylinder (6) via a hydraulic hose (47).

8. The offshore platform inverter disassembly and transportation tool according to claim 7, characterized in that: The portable hydraulic station (16) comprises a drive motor (18) enclosed in a housing (40), a hydraulic oil tank (19), an electric hydraulic pump (20), a manual hydraulic pump (21), a flow divider (22), a first input pipeline (23), a second input pipeline (24), a first output pipeline (25), a second output pipeline (26), a first hydraulic regulating pipeline (27), a second hydraulic regulating pipeline (28), a hydraulic oil return pipeline (29), a first throttle valve (30), a second throttle valve (31), a non-return valve (32), an isolation valve (33), a pressure regulating valve (34), a relief valve (35), a first oil circuit switching valve (36), and a second oil circuit. A switching valve (37), a pressure gauge (38), the driving motor (18) is used to drive the electric hydraulic pump (20) to work, the input end of the electric hydraulic pump (20) is connected to the hydraulic oil tank (19) through a first input pipeline (23), the output end of the electric hydraulic pump (20) is connected to the diverter joint (22) through a first output pipeline (25), the first oil circuit switching valve (36), the one-way valve (32), and the first throttle valve (30) are arranged on the first output pipeline (25) in sequence, the diverter joint (22) is provided with four output interfaces (39), and the four output interfaces (39) are connected to the hydraulic oil tank (19) in a one-to-one correspondence through hydraulic hoses (47). The pipe joints (17) of the four hydraulic cylinders (6) are connected to the input end of the one-way valve (32) through the first hydraulic regulating pipeline (27) and the second hydraulic regulating pipeline (28). The pressure regulating valve (34) and the pressure gauge (38) are arranged on the first hydraulic regulating pipeline (27). The overflow valve (35) is arranged on the second hydraulic regulating pipeline (28). The hydraulic oil tank (19) is connected to the diverter joint (22) through the hydraulic oil return pipeline (29). The second throttle valve (31) and the isolation valve (33) are arranged on the hydraulic oil return pipeline (29) in sequence. The input end of the manual hydraulic pump (21) The end of the manual hydraulic pump (21) is connected to the output end of the first oil circuit switching valve (36) through the second output pipeline (26); the second oil circuit switching valve (37) is arranged on the second output pipeline (26); a plurality of second universal wheels (41) are arranged at the bottom of the box shell (40); a wiring terminal (42) for connecting the drive motor (18) to electricity and a button panel (43) for controlling the opening and closing of the drive motor (18) are arranged on the box shell (40); a trolley handle (44) is arranged on the side of the box shell (40); and a switch door is arranged on the side of the box shell (40).

9. The offshore platform inverter disassembly and transportation tool according to claim 8, characterized in that: The first universal wheel (7) and the second universal wheel (41) are both provided with a brake device (45).

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