Inner wall and outer wall cleaning device for petroleum casing pipe

Abstract

The inner and outer wall cleaning device comprises a rack, a driving belt is arranged on the rack, and a first driving motor in power connection with the driving belt is further arranged on the rack; an outer wall cleaning module and a sorting roller are further arranged on the rack, the outer wall cleaning module is located over a sleeve to be cleaned in the moving direction of the sleeve, the sorting roller is located at the outlet end of the driving belt, and a sorting motor in power connection with the sorting roller is arranged on the rack; a plurality of limiting clamping grooves matched with the sleeves are formed in the sorting roller around the axis of the sorting roller. An inner wall cleaning pipe is further arranged on the rack, a rotary nozzle is arranged at one end of the inner wall cleaning pipe, and the other end of the inner wall cleaning pipe is connected with a high-pressure water source; the rack is further provided with a driving module connected with the inner wall cleaning pipe. The inner wall and the outer wall of the casing pipe are cleaned at the same time through one set of equipment, the casing pipe does not need to be frequently transferred among various cleaning equipment, and the cleaning efficiency of the casing pipe can be effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of electric power construction equipment, and in particular to an inner and outer wall cleaning device for oil casing. Background Art

[0002] Casing is a component widely used in the field of oil drilling. During the working process, a large amount of oil will adhere to its outer wall and inner wall. Therefore, the casing needs to be cleaned regularly to achieve the secondary use of the casing. In the prior art, the outer wall of the casing is generally cleaned by high-pressure flushing, while the inner wall of the casing is difficult to clean due to its long length, resulting in low cleaning efficiency of the inner and outer walls of the casing. Utility Model Content

[0003] The main purpose of the present application is to provide a device for cleaning the inner and outer walls of a petroleum casing, aiming to solve the defect of low cleaning efficiency in the prior art.

[0004] This application achieves the above objectives through the following technical solutions:

[0005] A device for cleaning inner and outer walls of a petroleum casing, comprising a frame;

[0006] A driving belt, the driving belt is rotatably arranged on the frame, and the frame is also provided with a first driving motor connected to the driving belt;

[0007] An outer wall cleaning module, the outer wall cleaning module is arranged on the frame, and along the moving direction of the sleeve, the outer wall cleaning module is located directly above the sleeve to be cleaned;

[0008] A sorting roller, the sorting roller is arranged on the frame, and a sorting motor connected to the power of the sorting roller is arranged on the frame; a plurality of limit slots adapted to the sleeve are arranged on the sorting roller around the axis of the sorting roller;

[0009] An inner wall cleaning pipe is slidably arranged on the frame, one end of the inner wall cleaning pipe is provided with a rotating nozzle, and the other end thereof is connected to a high-pressure water source; a driving module connected to the inner wall cleaning pipe is also arranged on the frame, and the driving module controls the inner wall cleaning pipe to enter and exit the casing along the axial direction of the casing.

[0010] Optionally, a limiting belt is further provided on the frame, and along the moving direction of the sleeve, the limiting belt and the driving belt are disposed on both sides of the frame.

[0011] Optionally, a waste liquid recovery box is arranged at the lower side of the frame, and the top of the waste liquid recovery box is open; a filter screen is arranged in the middle of the waste liquid recovery box, and a drain pipe is arranged at the bottom of the waste liquid recovery box.

[0012] Optionally, the outer wall cleaning module includes a plurality of spray pipes arranged in sequence along the moving direction of the sleeve, each of the spray pipes is provided with a plurality of duckbill nozzles; one end of each of the spray pipes is sealed, and a water pipe is also provided on the frame, one end of the water pipe is connected to a high-pressure water source, and the other end thereof is respectively connected to each of the spray pipes.

[0013] Optionally, the sorting roller includes a rotating shaft, and a plurality of support plates are arranged on the rotating shaft along the axial direction of the rotating shaft, each of the support plates is provided with a plurality of limit slots adapted to the sleeve, and each of the limit slots is in a U-shaped structure.

[0014] Optionally, both ends of the rotating shaft are provided with limit plates, and the limit plates are provided with a plurality of cleaning holes for the inner wall cleaning pipe to enter and exit; the two limit plates are respectively abutted against the two ends of the sleeve.

[0015] Optionally, the driving module includes a slide seat slidably arranged on the frame, and the inner wall cleaning pipe is connected to the slide seat; a second driving motor is also arranged on the slide seat, a driving rack is arranged on the frame, and a driving gear meshing with the driving rack is arranged on the second driving motor.

[0016] Optionally, a plurality of scrapers are sleeved on the inner wall cleaning tube, and an isolation plate is arranged between any two adjacent scrapers; the outer diameter of each scraper is larger than the outer diameter of each isolation plate, and each scraper is tightly fitted to the inner wall of the sleeve.

[0017] Optionally, a support frame is also provided on the frame, and two support rollers are provided on the support frame. The two support rollers are respectively placed on the upper and lower sides of the inner wall cleaning tube; both support rollers are provided with limiting grooves that fit tightly with the inner wall cleaning tube.

[0018] Optionally, a controller is further provided on the frame, and travel switches are provided at both end points of the slide travel, and the two travel switches and the second drive motor are electrically connected to the controller respectively.

[0019] Compared with the prior art, this application has the following beneficial effects:

[0020] The present application includes a frame, a driving belt is arranged on the frame, and a first driving motor connected to the driving belt power is also arranged on the frame; an outer wall cleaning module and a sorting roller are also arranged on the frame, and along the moving direction of the sleeve, the outer wall cleaning module is located directly above the sleeve to be cleaned, and the sorting roller is located at the outlet end of the driving belt, and a sorting motor connected to the power of the sorting roller is arranged on the frame; around the axis of the sorting roller, a plurality of limit slots adapted to the sleeve are arranged on the sorting roller; an inner wall cleaning pipe is also arranged on the frame, and a rotating nozzle is arranged at one end of the inner wall cleaning pipe, and a high-pressure water source is connected at the other end thereof; a driving module connected to the inner wall cleaning pipe is also arranged on the frame, and the driving module controls the inner wall cleaning pipe to enter and exit the sleeve along the axial direction of the sleeve;

[0021] When in use, the sleeve to be cleaned enters from the inlet end, and then the driving belt is fitted with the sleeve to be cleaned, thereby driving the sleeve to be cleaned to move toward the outlet end while rotating; at the same time, the outer wall cleaning module located directly above the sleeve to be cleaned starts to clean the outer wall of the sleeve, and the sleeve that has been cleaned enters the area where the sorting roller is located, and the sorting roller separates and extracts each sleeve that has completed the outer wall cleaning one by one and enters the inner wall cleaning area, and then the inner wall cleaning pipe enters the inner wall of the sleeve under the control of the driving module, and at the same time, high-pressure cleaning water is sprayed to the inner wall of the sleeve through the rotating nozzle, thereby realizing rapid cleaning of the inner wall of the sleeve, and after cleaning, the inner wall cleaning pipe is retracted, and the sleeve is output after rotating through the sorting roller, and the inner wall cleaning of the next sleeve is carried out at the same time; the above process is repeated to continuously complete the cleaning of the inner and outer walls of the sleeve;

[0022] Compared with the prior art, the present application achieves the cleaning of the inner and outer walls of the casing through a set of equipment. The casing does not need to be frequently transferred between various cleaning equipment. At the same time, it also has a high degree of automation, which can effectively improve the cleaning efficiency of the casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of an inner and outer wall cleaning device for a petroleum casing provided in Embodiment 1 of the present application;

[0024] Figure 2 A left view of an inner and outer wall cleaning device for a petroleum casing provided in Embodiment 1 of the present application;

[0025] Figure 3 A rear view of an inner and outer wall cleaning device for a petroleum casing provided in Embodiment 1 of the present application;

[0026] Figure 4 It is a structural schematic diagram of the sorting roller;

[0027] Figure 5It is a structural schematic diagram of the inner wall cleaning pipe;

[0028] Figure numerals: 1-frame, 2-driving belt, 3-first driving motor, 4-sorting roller, 5-sorting motor, 6-limiting slot, 7-inner wall cleaning pipe, 8-rotating nozzle, 9-limiting belt, 10-waste liquid recovery box, 11-filter screen, 12-drain pipe, 13-spray pipe, 14-duckbill nozzle, 15-water pipe, 16-slide, 17-second driving motor, 18-driving rack, 19-driving gear, 20-scraper, 21-isolation plate, 22-support frame, 23-support roller, 24-limiting slot, 25-controller, 26-travel switch, 401-rotating shaft, 402-support plate, 403-limiting plate, 404-cleaning hole.

[0029] The purpose, features and advantages of this application will be further described in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0034] Implementation Method 1

[0035] Reference Figures 1 to 5 This embodiment is an optional embodiment of the present application, which discloses an inner and outer wall cleaning device for oil casing, including a frame 1, the length direction of the frame 1 is the transfer direction of the casing, and along the above transfer direction, an outer wall cleaning area, a sorting temporary storage area, an inner wall cleaning area and a discharge temporary storage area are sequentially arranged;

[0036] Along the transfer direction of the sleeve, a driving belt 2 and a limiting belt 9 are respectively arranged on the upper and lower sides of the outer wall cleaning area, and a first driving motor 3 is also arranged on the frame 1. The first driving motor 3 is connected to the pulley of the driving belt 2, thereby driving the driving belt 2 to slide;

[0037] The driving belt 2 and the limiting belt 9 are both synchronous belts; a gap is left between the driving belt 2 and the frame 1, and the sleeve to be cleaned passes through the gap, and the surface of the driving belt 2 is closely fitted with the surface of the sleeve to be cleaned, so that the movement of the driving belt 2 drives the sleeve to be cleaned to roll toward the sorting temporary storage area while rotating;

[0038] It should be noted that the limiting belt 9 may be equipped with a driving device or not; the driving belt 2 and the limiting belt 9 are matched to balance the sleeve on both sides to ensure the stability of the sleeve;

[0039] Secondly, the driving belt 2 described in the present application can ensure that the sleeve can continuously move toward the sorting temporary storage area while also continuously rotating, thereby continuously switching between the clean area and the non-clean area, ensuring that the outer wall of the entire sleeve is flushed without dead angles, thereby improving the flushing quality.

[0040] At the same time, an outer wall cleaning module is also arranged on the frame 1, and the outer wall cleaning module includes a plurality of spray pipes 13, each of which is arranged directly above the sleeve to be cleaned, and each of the spray pipes 13 is arranged in sequence along the transport direction of the sleeve to be cleaned; along the axial direction of each of the spray pipes 13, a plurality of duckbill nozzles 14 are arranged on the bottom surface of each of the spray pipes 13, and the water outlet of each of the duckbill nozzles 14 is arranged directly downward;

[0041] One end of each of the spray pipes 13 is sealed, and a water pipe 15 is also provided on the frame 1, one end of the water pipe 15 is connected to a high-pressure water source, and the other end thereof is respectively connected to each of the spray pipes 13;

[0042] It should be noted that it is preferred to set 3-6 groups of the spray pipes 13, and the spacing between two adjacent spray pipes 13 is determined according to the rotation speed of the casing to avoid cleaning dead corners on the casing surface;

[0043] A sorting roller 4 is also provided in the sorting temporary storage area, and the sorting roller 4 includes a rotating shaft 401. Along the axial direction of the rotating shaft 401, a plurality of support plates 402 are provided on the rotating shaft 401. Each of the support plates 402 is provided with a plurality of limit slots 6 adapted to the sleeve, and each of the limit slots 6 is in a U-shaped structure. Around the axis of the support plate 402, each of the limit slots 6 is evenly arranged; preferably, 4-6 limit slots 6 are provided;

[0044] At the same time, a limit plate 403 is provided at both ends of the rotating shaft 401, and each of the support plates 402 is located between the two limit plates 403. At the same time, a plurality of cleaning holes 404 are also provided on the limit plates 403, and each of the cleaning holes 404 corresponds to each of the limit slots 6, so as to facilitate the cleaning of the inner wall;

[0045] A sorting motor 5 is also provided on the frame 1, and the sorting motor 5 is connected to the rotating shaft 401 through gears. The sorting motor 5 is preferably a stepping motor;

[0046] Taking the setting of four limit slots 6 as an example, the angle between each limit slot 6 is 90 degrees, then the limit slot 6 facing the outer wall cleaning area is used to sort the sleeve, the limit slot 6 on the top is used to clean the inner wall, and the limit slot 6 away from the outer wall cleaning area is used to release the cleaned sleeve, and the remaining limit slots 6 are in a standby state; the switching of different functions can be realized by rotating 90 degrees;

[0047] Compared with the prior art, the sorting roller 4 can not only ensure that the sleeves enter the inner wall cleaning area in an orderly manner, but also quickly adjust the sleeve positions to ensure that the sleeves are accurately aligned with the later inner wall cleaning pipes 7, thereby ensuring the inner wall cleaning efficiency.

[0048] The frame 1 is also provided with a plurality of slide rails, and the frame 1 is also provided with a driving module, the driving module includes a slide 16, and the slide 16 is slidably connected to the slide rails; the driving module also includes a second driving motor 17 and a driving rack 18, the driving rack 18 is arranged on the frame 1, the second driving motor 17 is arranged on the slide 16, and a driving gear 19 is arranged on the output shaft of the second driving motor 17, and the driving gear 19 is meshed with the driving rack 18; travel switches 26 are arranged at both ends of the travel of the slide 16;

[0049] The top of the slide 16 is also provided with a connecting seat, to which an inner wall cleaning pipe 7 is connected. A rotating nozzle 8 is provided at one end of the inner wall cleaning pipe 7 facing the sleeve to be cleaned, and the other end is connected to a high-pressure water source.

[0050] At the same time, a plurality of scrapers 20 are sleeved on the inner wall cleaning pipe 7, and a separation plate 21 is arranged between any two adjacent scrapers 20; the outer diameter of each scraper 20 is larger than the outer diameter of each separation plate 21, and each scraper 20 is tightly fitted with the inner wall of the sleeve;

[0051] The inner wall cleaning tube 7 is inserted into and drawn out of the casing by the reciprocating motion of the slide 16. Meanwhile, the inner wall of the casing can be repeatedly wiped by the scraper 20 to improve the cleaning quality of the inner wall.

[0052] The frame 1 is also provided with a support frame 22, and two support rollers 23 are provided on the support frame 22. The two support rollers 23 are respectively placed on the upper and lower sides of the inner wall cleaning pipe 7; the two support rollers 23 are both provided with a limiting groove 24 that is closely fitted with the inner wall cleaning pipe 7. When in use, the inner wall cleaning pipe 7 passes between the two support rollers 23. The support frame 22 can provide support for the inner wall cleaning pipe 7 to prevent it from bending under its own gravity, thereby ensuring that the inner wall cleaning pipe 7 can be accurately inserted into the sleeve, ensuring the stable operation of the equipment and improving the cleaning efficiency;

[0053] A waste liquid recovery box 10 is also provided at the bottom of the frame 1, and the top of the waste liquid recovery box 10 is open; a filter screen 11 is provided in the middle of the waste liquid recovery box, and a drain pipe 12 is provided at the bottom of the waste liquid recovery box; a controller 25 is also provided on the frame 1, and the controller 25 includes a PCB control board and a touch screen, and the controller 25 is electrically connected to the second drive motor 17 and the two travel switches 26 respectively.

[0054] The controller 25 and the two travel switches 26 can effectively control the slide 16 to make reciprocating motion, thereby improving the control accuracy of the equipment.

[0055] When in use, the sleeve to be cleaned enters from the inlet end, and then the driving belt is fitted with the sleeve to be cleaned, thereby driving the sleeve to be cleaned to move toward the outlet end while rotating; at the same time, the outer wall cleaning module located directly above the sleeve to be cleaned starts to clean the outer wall of the sleeve, and the sleeve that has been cleaned enters the area where the sorting roller is located, and the sorting roller separates and extracts each sleeve that has completed the outer wall cleaning one by one and enters the inner wall cleaning area, and then the inner wall cleaning pipe enters the inner wall of the sleeve under the control of the driving module, and at the same time, high-pressure cleaning water is sprayed to the inner wall of the sleeve through the rotating nozzle, thereby realizing rapid cleaning of the inner wall of the sleeve, and after cleaning, the inner wall cleaning pipe is retracted, and the sleeve is output after rotating through the sorting roller, and the inner wall cleaning of the next sleeve is carried out at the same time; the above process is repeated to continuously complete the cleaning of the inner and outer walls of the sleeve;

[0056] Compared with the prior art, the present application realizes the cleaning of the inner and outer walls of the casing simultaneously through a set of equipment, and the casing does not need to be frequently transferred between various cleaning equipment. At the same time, it also has a high degree of automation, which can effectively improve the cleaning efficiency of the casing.

[0057] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A device for cleaning inner and outer walls of petroleum casing, characterized in that: comprising a frame (1); A driving belt (2), the driving belt (2) being rotatably arranged on the frame (1), and the frame (1) is also provided with a first driving motor (3) which is power-connected to the driving belt (2); An outer wall cleaning module, the outer wall cleaning module is arranged on the frame (1), and along the moving direction of the sleeve, the outer wall cleaning module is located directly above the sleeve to be cleaned; A sorting roller (4), the sorting roller (4) being arranged on the frame (1), the frame (1) being provided with a sorting motor (5) connected to the power of the sorting roller (4); a plurality of limit slots (6) adapted to the sleeve are arranged on the sorting roller (4) around the axis of the sorting roller (4); An inner wall cleaning pipe (7), the inner wall cleaning pipe (7) is slidably arranged on the frame (1), one end of the inner wall cleaning pipe (7) is provided with a rotating nozzle (8), and the other end is connected to a high-pressure water source; a driving module connected to the inner wall cleaning pipe (7) is also arranged on the frame (1), and the driving module controls the inner wall cleaning pipe (7) to enter and exit the sleeve along the axial direction of the sleeve.

2. The inner and outer wall cleaning device for oil casing according to claim 1 is characterized in that: A limiting belt (9) is also provided on the frame (1), and along the moving direction of the sleeve, the limiting belt (9) and the driving belt (2) are respectively arranged on both sides of the frame (1).

3. The inner and outer wall cleaning device for oil casing according to claim 1 is characterized in that: A waste liquid recovery box (10) is arranged at the lower side of the frame (1), and the top of the waste liquid recovery box (10) is open; a filter screen (11) is arranged in the middle of the waste liquid recovery box, and a drainage pipe (12) is arranged at the bottom of the waste liquid recovery box.

4. The inner and outer wall cleaning device for oil casing according to claim 1 is characterized in that: The outer wall cleaning module comprises a plurality of spray pipes (13) arranged in sequence along the moving direction of the sleeve, and each of the spray pipes (13) is provided with a plurality of duckbill nozzles (14); one end of each of the spray pipes (13) is sealed, and a water pipe (15) is also provided on the frame (1), one end of the water pipe (15) is connected to a high-pressure water source, and the other end thereof is respectively connected to each of the spray pipes (13).

5. The inner and outer wall cleaning device for oil casing according to claim 1 is characterized in that: The sorting roller (4) comprises a rotating shaft (401), and a plurality of support plates (402) are arranged on the rotating shaft (401) along the axial direction of the rotating shaft (401), and each of the support plates (402) is provided with a plurality of limiting slots (6) adapted to the sleeve, and each of the limiting slots (6) is in a U-shaped structure.

6. The inner and outer wall cleaning device for oil casing according to claim 5, characterized in that: Both ends of the rotating shaft (401) are provided with limit plates (403), and the limit plates (403) are provided with a plurality of cleaning holes (404) for the inner wall cleaning pipe (7) to enter and exit; the two limit plates (403) are respectively in contact with the two ends of the sleeve.

7. The inner and outer wall cleaning device for oil casing according to claim 6, characterized in that: The driving module comprises a slide seat (16) slidably arranged on the frame (1), and the inner wall cleaning pipe (7) is connected to the slide seat (16); a second driving motor (17) is also arranged on the slide seat (16), a driving rack (18) is arranged on the frame (1), and a driving gear (19) meshing with the driving rack (18) is arranged on the second driving motor (17).

8. The inner and outer wall cleaning device for oil casing according to claim 7, characterized in that: A plurality of scrapers (20) are also sleeved on the inner wall cleaning pipe (7), and an isolation plate (21) is provided between any two adjacent scrapers (20); the outer diameter of each scraper (20) is larger than the outer diameter of each isolation plate (21), and each scraper (20) is tightly fitted to the inner wall of the sleeve.

9. The inner and outer wall cleaning device for oil casing according to claim 1 or 7, characterized in that: The frame (1) is also provided with a support frame (22), and the support frame (22) is provided with two support rollers (23), and the two support rollers (23) are respectively arranged on the upper and lower sides of the inner wall cleaning pipe (7); and the two support rollers (23) are both provided with a limiting groove (24) which is tightly fitted with the inner wall cleaning pipe (7).

10. The inner and outer wall cleaning device for oil casing according to claim 7, characterized in that: The frame (1) is also provided with a controller (25), and both end points of the travel of the slide seat (16) are provided with travel switches (26), and the two travel switches (26) and the second drive motor (17) are respectively electrically connected to the controller (25).

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