Oil pipe inner wall electroplating equipment
By designing a vertically moving electroplating device for the inner wall of oil pipes, the problem of gas discharge during the electroplating process was solved, ensuring the uniformity and thickness of the coating, and improving the electroplating effect and the corrosion resistance of the oil pipes.
Patent Information
- Application Number
- CN202520140017.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing technologies, when oil pipes are placed horizontally for electroplating, it is difficult for gas to escape, resulting in uneven coating, inconsistent thickness, poor electroplating effect, and insufficient corrosion resistance of the oil pipes.
Design an electroplating device for the inner wall of an oil pipe. Use a clamping mechanism and a moving mechanism to make the oil pipe move vertically. Combine with upper and lower electroplating boxes and an anode rod, ensure that the gas can float to the upper electroplating box to avoid affecting the electroplating effect.
By moving the oil pipe vertically, air bubbles do not affect the electroplating on the inner wall, ensuring the thickness and uniformity of the coating, improving the electroplating effect, and enhancing the corrosion resistance of the oil pipe.
Smart Images

Figure CN223879882U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electroplating equipment especially relates to a oil pipe inner wall electroplating equipment. BACKGROUND
[0002] At present, the oil product's exploitation and transportation cannot leave oil pipeline, and meanwhile, oil pipe corrosion is a big problem troubling oilfield exploitation, and currently, the corrosion-resistant metal layer is usually electroplated on the inner wall of the pipeline to avoid the corrosion of the pipeline, but the oil pipe is usually horizontally placed for electroplating, and since the gas is easily produced in the electroplating process, the horizontally placed oil pipe is difficult to discharge the gas produced in the electroplating process, and the gas is accumulated in the inner wall of the oil pipe, so that the inner wall of the oil pipe and the electroplating solution cannot be fully contacted, and the problems such as uneven plating layer and inconsistent thickness are easily caused, so that the electroplating effect is poor, thereby causing poor corrosion resistance of the oil pipe. SUMMARY
[0003] In order to overcome the above defects, the utility model provides an oil pipe inner wall electroplating equipment, which has the advantages of good electroplating effect.
[0004] The utility model discloses a kind of oil pipe inner wall electroplating equipment, it include: clamping mechanism, moving mechanism, upper electroplating box, lower electroplating box and anode rod, clamping mechanism is fixed in moving mechanism, oil pipe can be detachably vertically connected to clamping mechanism, oil pipe and clamping mechanism can be moved from the feeding end of moving mechanism to the discharging end of moving mechanism under the drive of moving mechanism, the inside of upper electroplating box and lower electroplating box is hollow, upper electroplating box can be set in the top end of oil pipe and is sealedly connected with the outer circumferential wall of oil pipe, lower electroplating box can be set in the bottom end of oil pipe and is sealedly connected with the outer circumferential wall of oil pipe, anode rod can be threaded in oil pipe, upper electroplating box, oil pipe and lower electroplating box can accommodate electroplating solution, anode rod is electrically connected to the positive pole of power supply, and oil pipe is electrically connected to the negative pole of power supply.
[0005] As optional, the bottom of the upper electroplating box is provided with a first connecting port, the first connecting port is sealedly connected with the outer circumferential wall of the oil pipe through a first oil seal, the top of the upper electroplating port is provided with a gap for the anode rod to pass through, the sidewall of the upper electroplating box is provided with an overflow pipe, the height of the overflow pipe is higher than the height of the oil pipe, the top of the lower electroplating box is provided with a second connecting port, the second connecting port is sealedly connected with the outer circumferential wall of the oil pipe through a second oil seal, the sidewall of the lower electroplating box is provided with a liquid inlet pipe, and a one-way valve is arranged in the liquid inlet pipe.
[0006] As optional, the moving mechanism includes two rotating shafts, transmission wheels, a transmission motor, a fixed seat and a transmission chain, at least one transmission wheel is fixed on each rotating shaft, the transmission wheels on the two rotating shafts are transmissionally connected through the transmission chain, the transmission motor is coaxially connected with any one rotating shaft, the fixed seat is fixed on the transmission chain, and the clamping mechanism is fixed on the fixed seat.
[0007] As optionally, the clamping mechanism is a power clamp.
[0008] As optionally, a rotary motor is further included, the rotary motor is fixed to the fixed base, a mercury slip ring is arranged at the top end of the anode rod, the anode rod is electrically connected to the positive pole of the power supply through the mercury slip ring, the anode rod is connected to the rotating shaft of the rotary motor, and the anode rod can rotate under the driving of the rotary motor.
[0009] As optionally, a first external thread is arranged on the outer peripheral wall of the top end of the oil pipe, a second external thread is arranged on the outer peripheral wall of the bottom end of the oil pipe, a first auxiliary anode is arranged around the first external thread in the upper electroplating box, a second auxiliary anode is arranged around the second external thread in the lower electroplating box, and the first auxiliary anode and the second auxiliary anode are both electrically connected to the anode rod.
[0010] As optionally, a water tank is arranged along the moving path of the oil pipe, the water tank is located below the oil pipe, a magnetic force pump is arranged in the water tank, the water tank can contain electroplating liquid, and the water outlet of the magnetic force pump can be detachably connected to the liquid inlet pipe through a hose.
[0011] As optionally, a vibration motor is further included, the vibration motor can be detachably fixed to the middle part of the oil pipe through a clamp.
[0012] As optionally, a guide piece is arranged at the top of the accommodation opening.
[0013] As optionally, the first oil seal and the second oil seal are both made of fluorine rubber.
[0014] The oil pipe inner wall electroplating equipment has the advantages that the oil pipe can be vertically fixed on the clamping mechanism, the upper electroplating box is sleeved on the top end of the oil pipe, the lower electroplating box is sleeved on the bottom end of the oil pipe, the anode rod is inserted into the oil pipe, the electroplating liquid is injected into the upper electroplating box, the oil pipe and the lower electroplating box for electroplating, the oil pipe can be moved from the feeding end of the moving mechanism to the discharging end of the moving mechanism under the driving of the moving mechanism during the electroplating process, the oil pipe is taken off from the clamping mechanism after the electroplating is completed, the bubbles generated during the electroplating process can float upwards into the upper electroplating box along the oil pipe because the oil pipe is in a vertical state during the electroplating process, the bubbles do not affect the electroplating of the inner wall of the oil pipe, the thickness and uniformity of the plating layer can be guaranteed, and therefore the electroplating effect is good. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is the top view of the utility model whole machine;
[0016] Fig. 2This is a side sectional view of the entire machine of this utility model;
[0017] Fig. 3 This is a three-dimensional perspective view of the electroplating box, anode rod, oil pipe, overflow pipe, mercury slip ring and first auxiliary anode of this utility model;
[0018] in:
[0019] 1. Clamping mechanism; 2. Upper electroplating box; 3. Lower electroplating box; 4. Anode rod; 5. Oil pipe;
[0020] 6. Overflow pipe; 7. Rotating shaft; 8. Drive wheel; 9. Drive chain; 10. Fixed base; 11. Mercury slip ring; 12. First auxiliary anode; 13. Water tank. Detailed Implementation
[0021] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0022] This specific embodiment describes in detail the oil pipe inner wall electroplating equipment described in this application, such as... Figs. 1-3 As shown, the oil pipe inner wall electroplating equipment includes: a clamping mechanism 1, a moving mechanism, an upper electroplating box 2, a lower electroplating box 3, and an anode rod 4. The clamping mechanism 1 is fixed to the moving mechanism. The oil pipe 5 can be detachably and vertically connected to the clamping mechanism 1. The oil pipe 5 and the clamping mechanism 1 can move from the loading end of the moving mechanism to the unloading end of the moving mechanism under the drive of the moving mechanism. The upper electroplating box 2 and the lower electroplating box 3 are hollow inside. The upper electroplating box 2 can be fitted onto the top end of the oil pipe 5 and sealed to the outer peripheral wall of the oil pipe 5. The lower electroplating box 3 can be fitted onto the bottom end of the oil pipe 5 and sealed to the outer peripheral wall of the oil pipe 5. The anode rod 4 can be inserted into the oil pipe 5. The upper electroplating box 2, the oil pipe 5, and the lower electroplating box 3 can contain electroplating liquid. The anode rod 4 is electrically connected to the positive terminal of the power supply, and the oil pipe 5 is electrically connected to the negative terminal of the power supply. In use, the oil pipe 5 is first vertically fixed to the clamping mechanism 1. Then, the upper electroplating box 2 is fitted onto the top of the oil pipe 5, and the lower electroplating box 3 is fitted onto the bottom of the oil pipe 5. The anode rod 4 is then inserted into the oil pipe 5. Electroplating solution is then injected into the upper electroplating box 2, the oil pipe 5, and the lower electroplating box 3 for electroplating. During the electroplating process, the oil pipe 5 moves from the loading end to the unloading end of the moving mechanism under its drive. After electroplating, the oil pipe 5 is removed from the clamping mechanism 1. Because the oil pipe 5 is vertical during electroplating, the air bubbles generated during the process can rise along the oil pipe 5 into the upper electroplating box 2. This prevents the air bubbles from affecting the electroplating of the inner wall of the oil pipe 5, thus ensuring the thickness and uniformity of the plating layer and resulting in a good electroplating effect. It has the advantage of excellent electroplating performance.
[0023] Optionally in the embodiment, the bottom end of the upper plating box 2 is provided with a first connecting port, the first connecting port is sealingly connected with the outer peripheral wall of the oil pipe 5 through a first oil seal, the top end of the upper plating port is provided with a clearance for the anode rod 4 to pass through, the side wall of the upper plating box 2 is provided with an overflow pipe 6, the height of the overflow pipe 6 is higher than the height of the oil pipe 5, the top end of the lower plating box 3 is provided with a second connecting port, the second connecting port is sealingly connected with the outer peripheral wall of the oil pipe 5 through a second oil seal, the side wall of the lower plating box 3 is provided with a liquid inlet pipe, and a one-way valve is arranged in the liquid inlet pipe. The electroplating solution is injected into the liquid inlet pipe through a magnetic pump, the electroplating solution fills the lower plating box 3, and then enters the oil pipe 5, when the oil pipe 5 is filled with the electroplating solution, the electroplating solution enters the upper plating box 2 through the oil pipe 5, until the electroplating solution flows out from the overflow pipe 6, at this time, it is indicated that the electroplating solution has been filled and electroplating can be performed. In the embodiment, the height of the overflow pipe 6 is 40 mm higher than the height of the top end of the oil pipe 5.
[0024] Optionally in the embodiment, the moving mechanism comprises two rotating shafts 7, transmission wheels 8, a transmission motor, a fixed seat 10 and a transmission chain 9, at least one transmission wheel 8 is fixed on each rotating shaft 7, the transmission wheels 8 on the two rotating shafts 7 are drivingly connected through the transmission chain 9, the transmission motor is coaxially connected with any one rotating shaft 7, the fixed seat 10 is fixed on the transmission chain 9, and the clamping mechanism 1 is fixed to the fixed seat 10. The transmission motor is rotated to drive the transmission chain 9 to move, so as to drive the clamping mechanism 1 and the oil pipe 5 to move.
[0025] Optionally in the embodiment, the clamping mechanism 1 is a power clamp. The power clamp can be an electric clamp sold on the market, and since it is prior art, the embodiment will not be described in detail.
[0026] Optionally in the embodiment, a rotating motor is further included, the rotating motor is fixed to the fixed seat 10, the top end of the anode rod 4 is provided with a mercury slip ring 11, the anode rod 4 is electrically connected to the positive pole of a power supply through the mercury slip ring 11, the anode rod 4 is connected to the rotating shaft of the rotating motor, and the anode rod 4 can be rotated under the drive of the rotating motor. In some optional embodiments, the rotating shaft of the rotating motor is provided with a driving wheel, a driven wheel is fixed to the outer peripheral wall of the anode rod 4, the driving wheel and the driven wheel are drivingly connected through an insulating belt, and the rotating motor drives the driving wheel to rotate and drives the anode rod 4 to rotate through the belt. In the embodiment, the rotating speed of the anode rod 4 is 1-2 rpm.
[0027] Optionally in the embodiment, the outer peripheral wall of the top end of the oil pipe 5 is provided with a first external thread, the outer peripheral wall of the bottom end of the oil pipe 5 is provided with a second external thread, a first auxiliary anode 12 is arranged around the first external thread in the upper plating box 2, a second auxiliary anode is arranged around the second external thread in the lower plating box 3, and the first auxiliary anode 12 and the second auxiliary anode are electrically connected to the anode rod 4. The first auxiliary anode 12 is used for electroplating the first external thread. The second auxiliary anode is used for electroplating the second external thread.
[0028] Optionally, a water tank 13 is arranged along the moving path of the oil pipe 5, the water tank 13 is arranged below the oil pipe 5, the water tank 13 is arranged with a magnetic force pump, the water tank 13 can contain electroplating solution, and the water outlet of the magnetic force pump can be detachably connected to the liquid inlet pipe through a hose. Arranging the water tank 13 below the oil pipe 5 can facilitate the extraction of the electroplating solution, and also facilitate the collection of the electroplating solution flowing out of the overflow pipe 6 during the electroplating process.
[0029] Optionally, the embodiment further comprises a vibration motor, and the vibration motor can be detachably fixed to the middle part of the oil pipe 5 through a hoop. The vibration motor can make the bubbles adhered to the inner wall of the oil pipe 5 shake off the inner wall of the oil pipe 5.
[0030] Optionally, the top of the yielding opening is provided with a guide.
[0031] Optionally, the first oil seal and the second oil seal are both made of fluororubber.
[0032] The oil pipe inner wall electroplating equipment has the advantages of good electroplating effect.
Claims
1. An oil tube inner wall electroplating apparatus characterized by comprising: The utility model relates to an electroplating device, including: Clamping mechanism (1), moving mechanism, upper electroplating box (2), lower electroplating box (3) and anode rod (4), clamping mechanism (1) is fixed to moving mechanism, oil pipe (5) can be detachably vertically connected to clamping mechanism (1), oil pipe (5) and clamping mechanism (1) can be moved from the upper material end of moving mechanism to the lower material end of moving mechanism under the drive of moving mechanism, the inside of upper electroplating box (2) and lower electroplating box (3) is hollow, upper electroplating box (2) can be set in the top end of oil pipe (5) and is sealedly connected with the outer peripheral wall of oil pipe (5), lower electroplating box (3) can be set in the bottom end of oil pipe (5) and is sealedly connected with the outer peripheral wall of oil pipe (5), anode rod (4) can be threaded in oil pipe (5), upper electroplating box (2), oil pipe (5) and lower electroplating box (3) can accommodate electroplating solution, anode rod (4) is electrically connected to the positive pole of power supply, and oil pipe (5) is electrically connected to the negative pole of power supply.
2. The tubing inner wall electroplating apparatus of claim 1, wherein: The bottom end of the upper electroplating box (2) is provided with a first connecting port, the first connecting port is sealedly connected with the outer peripheral wall of the oil pipe (5) through a first oil seal, the top end of the upper electroplating port is provided with a clearance opening through which the anode rod (4) passes, the side wall of the upper electroplating box (2) is provided with an overflow pipe (6), the height of the overflow pipe (6) is higher than the height of the oil pipe (5), the top end of the lower electroplating box (3) is provided with a second connecting port, the second connecting port is sealedly connected with the outer peripheral wall of the oil pipe (5) through a second oil seal, and the side wall of the lower electroplating box (3) is provided with a liquid inlet pipe, the liquid inlet pipe is provided with a one-way valve.
3. The tubing inner wall electroplating apparatus of claim 2, wherein: The moving mechanism includes two rotating shafts (7), a transmission wheel (8), a transmission motor, a fixed seat (10) and a transmission chain (9), at least one transmission wheel (8) is fixed on each rotating shaft (7), the transmission wheels (8) on the two rotating shafts (7) are transmissionally connected through the transmission chain (9), the transmission motor is coaxially connected to any one rotating shaft (7), the transmission chain (9) is fixed with the fixed seat (10), and the clamping mechanism (1) is fixed to the fixed seat (10).
4. The tubing inner wall electroplating apparatus of claim 2, wherein: The clamping mechanism (1) is a power clamp jaw.
5. The oil tube inner wall plating apparatus according to claim 3, characterized by: Further comprising a rotating motor, the rotating motor is fixed to the fixed seat (10), the top end of the anode rod (4) is provided with a mercury slip ring (11), the anode rod (4) is electrically connected to the positive pole of the power supply through the mercury slip ring (11), the anode rod (4) is connected to the rotating shaft of the rotating motor, and the anode rod (4) can rotate under the drive of the rotating motor.
6. The oil tube inner wall plating apparatus according to claim 5, characterized by: The outer peripheral wall of the top end of the oil pipe (5) is provided with a first external thread, the outer peripheral wall of the bottom end of the oil pipe (5) is provided with a second external thread, the first auxiliary anode (12) is arranged around the first external thread in the upper electroplating box (2), the second auxiliary anode is arranged around the second external thread in the lower electroplating box (3), and the first auxiliary anode (12) and the second auxiliary anode are electrically connected to the anode rod (4).
7. The oil tube inner wall plating apparatus according to claim 6, characterized by: A water tank (13) is arranged along the moving path of the oil pipe (5), the water tank (13) is located below the oil pipe (5), the water tank (13) is provided with a magnetic force pump, the water tank (13) can accommodate electroplating solution, and the water outlet of the magnetic force pump can be detachably connected to the liquid inlet pipe through a hose.
8. The oil tube inner wall plating apparatus according to claim 7, characterized by: Also included is a vibration motor that can be detachably fixed to the middle part of the oil pipe (5) by a clamp.
9. The oil tube inner wall plating apparatus according to claim 2, characterized by: The top of the recess is provided with a guide.
10. The oil tube inner wall plating apparatus according to claim 2, characterized by: The first oil seal and the second oil seal are both made of fluorine rubber.