CN216460636U - Oil removing device applicable to steel pipes with different calibers - Google Patents

Abstract

The utility model discloses an oil removing device applicable to steel pipes with different calibers, which comprises a shell, wherein a second motor is fixedly connected at the position, close to the center of the top, of the rear side of the shell, a second protective cover is fixedly connected to the inner cavity of the second motor, a first opening is arranged at the position, close to the center of the top, of the rear side of the shell, the front end of a power output shaft of the second protective cover penetrates through the inner cavity of the first opening and is fixedly connected with a second rotating rod, a first bearing is fixedly connected at the position, close to the center of the top, of the front side of the shell, and the front end of the second rotating rod is inserted into the inner cavity of the first bearing. The oil removing effect is better.

Description

Oil removing device applicable to steel pipes with different calibers

Technical Field

The utility model relates to the technical field of steel pipe processing, in particular to an oil removing device suitable for steel pipes with different calibers.

Background

There is a large amount of lubricating oil on the finished product pipe surface that comes out from cold pilger mill, for practicing thrift cost and environmental protection, need retrieve finished product pipe surface lubricating oil and recycle, traditional deoiling mode is to make certain inclination with receiving the work or material rest, put the oil receiving disc in receiving work or material rest below, collect after the finished product pipe is rolled to accomplish and receive the work or material rest, owing to there is the inclination, surperficial lubricating oil is downflow along the inclination, drip in receiving the oil disc, also slowly along with eliminating along with the traditional deoiling mode of development of era, now can use deoiling device to degrease the steel pipe.

The existing steel pipe oil removing device can not remove oil from steel pipes with different calibers, and can not adjust the distance between the steel pipe and the oil scraping roller according to the calibers of the steel pipes, so that the oil removing device applicable to the steel pipes with different calibers is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an oil removing device which is suitable for steel pipes with different calibers.

One of the purposes of the utility model is realized by adopting the following technical scheme:

an oil removing device applicable to steel pipes with different calibers comprises a shell, wherein a second motor is fixedly connected to the rear side of the shell close to the center of the top, a second protective cover is fixedly connected to the inner cavity of the second motor, a first opening is formed in the rear side of the shell close to the center of the top, the front end of a power output shaft of the second protective cover penetrates through the inner cavity of the first opening and is fixedly connected with a second rotating rod, a first bearing is fixedly connected to the front side of the shell close to the center of the top, the front end of the second rotating rod is inserted into the inner cavity of the first bearing, first movable plates are fixedly connected to the outer wall of the second rotating rod close to the front side and the rear side, a first connecting shaft is movably connected to the adjacent side of the two first movable plates close to the left side, a second movable plate is movably connected to the adjacent end of the two first connecting shafts, a second connecting shaft is movably connected to the adjacent side of the two second movable plates close to the bottom, one end of each of the two second connecting shafts adjacent to each other is fixedly connected with a fixed seat, the bottoms of the two fixed seats are fixedly connected with a connecting plate together, the center of the bottom of the connecting plate is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected with a fixed box, the top of the fixed box is provided with a second opening near the center, the bottom of the electric telescopic rod penetrates through a second opening inner cavity and is fixedly connected with a connecting block, the left side of the connecting block is movably connected with two third connecting shafts, the left ends of the two third connecting shafts are movably connected with third movable plates, one side of the right sides of the two third movable plates, which is far away from the center of the fixed box inner cavity, is movably connected with a fourth connecting shaft, the right ends of the two fourth connecting shafts are movably connected with arc plates, the centers of the inner parts of the two arc plates are fixedly connected with first rotating rods, and the bottoms of the two arc plates are fixedly connected with a plurality of first tooth blocks, the left side and the right side of the fixed box are both fixedly connected with second bearings, the two second bearings are symmetrically arranged in the front and back direction by taking the center of the inner cavity of the fixed box as a symmetrical axis, the left end and the right end of each first rotating rod are respectively inserted into the adjacent inner cavities of the second bearings, the bottom of each connecting block is provided with a sliding rod, the front end and the back end of each sliding rod are fixedly connected with the inner walls of the front side and the back side of the fixed box, the outer wall of each sliding rod, close to the front end and the back end, is sleeved with a sliding block, the top of each sliding block is fixedly connected with a plurality of second tooth blocks, the bottom of each sliding block is fixedly connected with a connecting rod, the bottom of each fixed box is provided with a sliding groove, the bottom end of each connecting rod penetrates through the inner cavity of the sliding groove and is fixedly connected with a clamping plate, the inner cavity of the shell, close to the bottom of the inner cavity of the shell is provided with two oil scraping rollers, the left side and the right side of the shell are fixedly connected with third bearings, close to the bottom of the left side and right side of the shell and the shell, and the third bearings are symmetrically arranged by taking the center of the inner cavity of the shell as a symmetrical axis, the left end and the right end of each of the two oil scraping rollers are respectively inserted into the adjacent third bearing inner cavities, the right ends of the two oil scraping rollers are respectively sleeved with a first grooved wheel, the right side of the shell, which is close to the center of the bottom, is fixedly connected with a first protective cover, the inner cavity of the first protective cover is fixedly connected with a first motor, the right side of the shell, which is close to the center of the bottom, is provided with a third opening, a power output shaft of the first motor penetrates through the inner cavity of the third opening and is fixedly connected with a second grooved wheel, the two first grooved wheels and the second grooved wheel are provided with belts and are in transmission connection through the belts, the bottom of the inner cavity of the shell is fixedly connected with an oil collecting cover, the bottom of the oil collecting cover and the bottom of the shell, which is close to the center, are respectively provided with a fourth opening, the inner cavities of the two fourth openings are inserted with oil guide pipes, the oil guide pipes are fixedly connected with valves, and the left and right sides of the inner cavity of the shell, which are close to the top, are respectively provided with a telescopic mechanism, the bottom of the shell is close to four corners and is fixedly connected with universal wheels.

Furthermore, the two arc plates are symmetrically arranged in front and back directions by taking the center of the inner cavity of the fixed box as a symmetry axis.

Furthermore, the centers of the inner cavities of the two sliding blocks are provided with sliding holes matched with the sliding rods, and the plurality of second tooth blocks are meshed with the plurality of first tooth blocks.

Furthermore, the cross section of the oil collecting cover is trapezoidal, the longer side of the trapezoidal structure of the oil collecting cover is arranged on the upper side, and the outer wall of the top of the oil collecting cover is fixedly connected with the inner wall of the shell.

Furthermore, two telescopic machanism includes the sleeve pipe, two fixedly connected with spring, two of sleeve pipe inner chamber top center department fixedly connected with T shape pole, two of spring bottom fixedly connected with T shape pole, two the T shape pole bottom is close to center department and has seted up the fifth opening, two T shape pole bottom run through the fifth opening inner chamber and with connecting plate top fixed connection.

Furthermore, the two sleeves are arranged in a bilateral symmetry mode by taking the center of the inner cavity of the shell as a symmetry axis, and the tops of the two sleeves are fixedly connected with the top of the inner cavity of the shell.

Furthermore, the two oil scraping rollers are symmetrically arranged in a front-back mode by taking the center of the inner cavity of the shell as a symmetry axis, and the distance between the two oil scraping rollers is smaller than the caliber of the steel pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the mutual cooperation of the oil scraping roller, the fixed box, the sliding block, the connecting rod, the clamping plate, the arc-shaped plate, the first rotating rod, the sliding rod, the first grooved wheel, the belt, the first motor, the first tooth block, the connecting block, the third movable plate, the second tooth block and the second grooved wheel, the oil removing device can remove oil from steel pipes with different calibers, and the application range of the device is improved;

2. according to the utility model, through the mutual cooperation of the connecting plate, the first movable plate, the second rotating rod, the fixed seat, the second motor, the sleeve, the spring and the T-shaped rod, the distance between the steel pipe and the oil scraping roller can be adjusted according to the caliber of the steel pipe, so that the surfaces of the steel pipes with different calibers are tightly attached to the surface of the oil scraping roller, and the oil removing effect is better.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic front view of the present embodiment;

FIG. 2 is a partial left-view structural diagram of the present embodiment;

FIG. 3 is a schematic top view of a portion of the present embodiment;

fig. 4 is an enlarged schematic structural diagram of the embodiment at a.

In the figure: 1. a housing; 2. an oil scraping roller; 3. a connecting plate; 4. a first movable plate; 5. an electric telescopic rod; 6. a fixed box; 7. a slider; 8. a connecting rod; 9. a clamping plate; 10. an arc-shaped plate; 11. a first rotating lever; 12. a slide bar; 13. a first sheave; 14. a second movable plate; 15. a second rotating rod; 16. a fixed seat; 17. a belt; 18. a first shield; 19. a first motor; 20. an oil collecting cover; 21. a universal wheel; 22. an oil guide pipe; 23. a valve; 24. a second shield; 25. a second motor; 26. a first tooth block; 27. connecting blocks; 28. a third movable plate; 29. a second tooth block; 30. a second sheave; 31. a telescoping mechanism; 311. a sleeve; 312. a spring; 313. t-shaped rods.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an oil removing apparatus suitable for steel pipes with different calibers comprises a housing 1, a second motor 25 is fixedly connected to a rear side of the housing 1 near a top center, a second protective cover 24 is fixedly connected to an inner cavity of the second motor 25, a first opening is formed at the rear side of the housing 1 near the top center, a front end of a power output shaft of the second protective cover 24 penetrates through the inner cavity of the first opening and is fixedly connected with a second rotating rod 15, a first bearing is fixedly connected to a front side of the housing 1 near the top center, a front end of the second rotating rod 15 is inserted into an inner cavity of the first bearing, first movable plates 4 are fixedly connected to outer walls of the second rotating rod 15 near front and rear sides, a first connecting shaft is movably connected to a side near a left side of two adjacent first movable plates 4, and a second movable plate 14 is movably connected to an end of two adjacent first connecting shafts, a second connecting shaft is movably connected to one side of the two second movable plates 14 adjacent to the bottom, a fixed seat 16 is fixedly connected to one end of the two second connecting shafts adjacent to each other, a connecting plate 3 is fixedly connected to the bottoms of the two fixed seats 16 together, an electric telescopic rod 5 is fixedly connected to the center of the bottom of the connecting plate 3, a fixed box 6 is fixedly connected to the bottom of the electric telescopic rod 5, a second opening is formed in the top of the fixed box 6 adjacent to the center, the bottom end of the electric telescopic rod 5 penetrates through the inner cavity of the second opening and is fixedly connected with a connecting block 27, two third connecting shafts are movably connected to the left side of the connecting block 27, a third movable plate 28 is movably connected to the left end of each of the two third connecting shafts, a fourth connecting shaft is movably connected to one side of the right sides of the two third movable plates 28 away from the center of the inner cavity of the fixed box 6, and an arc-shaped plate 10 is movably connected to the right end of each of the four connecting shafts, the two arc plates 10 are symmetrically arranged in the front and back direction by taking the center of an inner cavity of the fixed box 6 as a symmetrical axis, the inner center of the two arc plates 10 is fixedly connected with a first rotating rod 11, the bottoms of the two arc plates 10 are fixedly connected with a plurality of first gear blocks 26, the left and right sides of the fixed box 6 are fixedly connected with second bearings, the two second bearings are symmetrically arranged in the front and back direction by taking the center of the inner cavity of the fixed box 6 as a symmetrical axis, the left and right ends of the two first rotating rods 11 are respectively inserted into adjacent second bearing inner cavities, a sliding rod 12 is arranged at the bottom of the connecting block 27, the front and back ends of the sliding rod 12 are fixedly connected with the inner walls of the front and back sides of the fixed box 6, the outer wall of the sliding rod 12 is sleeved with a sliding block 7 near the front and back ends, the tops of the two sliding blocks 7 are fixedly connected with a plurality of second gear blocks 29, and the centers of the inner cavities of the two sliding blocks 7 are provided with sliding holes matched with the sliding rod 12, the plurality of second tooth blocks 29 are mutually meshed with the plurality of first tooth blocks 26, the bottoms of the two sliding blocks 7 are fixedly connected with connecting rods 8, the bottom of the fixed box 6 is provided with a sliding groove, the bottom ends of the two connecting rods 8 penetrate through an inner cavity of the sliding groove and are fixedly connected with a clamping plate 9, two oil scraping rollers 2 are arranged in the position, close to the bottom, of the inner cavity of the shell 1, the two oil scraping rollers 2 are symmetrically arranged in the front-back direction by taking the center of the inner cavity of the shell 1 as a symmetrical shaft, the distance between the two oil scraping rollers 2 is smaller than the caliber of a steel pipe, third bearings are fixedly connected to the positions, close to the bottom, of the left side and the right side of the shell 1, the two third bearings are symmetrically arranged in the front-back direction by taking the center of the inner cavity of the shell 1 as a symmetrical shaft, the left end and the right end of the two oil scraping rollers 2 are respectively inserted into the inner cavities of the adjacent third bearings, and the right ends of the two oil scraping rollers 2 are respectively sleeved with first grooved wheels 13, a first protective cover 18 is fixedly connected to the right side of the shell 1 near the center of the bottom, a first motor 19 is fixedly connected to the inner cavity of the first protective cover 18, a third opening is formed in the right side of the shell 1 near the center of the bottom, a power output shaft of the first motor 19 penetrates through the inner cavity of the third opening and is fixedly connected with a second grooved pulley 30, a belt 17 is arranged on the two first grooved pulleys 13 and the second grooved pulley 30, the two first grooved pulleys 13 and the second grooved pulley 30 are in transmission connection through the belt 17, an oil collecting cover 20 is fixedly connected to the bottom of the inner cavity of the shell 1, the cross section of the oil collecting cover 20 is in a trapezoid shape, the longer side of the trapezoid structure of the oil collecting cover 20 is arranged on the upper side, the outer wall of the top of the oil collecting cover 20 is fixedly connected with the inner wall of the shell 1, fourth openings are formed in the positions of the oil collecting cover 20 and the bottom of the shell 1 near the center, and oil guide pipes 22 are inserted into the inner cavities of the two fourth openings, fixedly connected with valve 23 on oil pipe 22, 1 inner chamber left and right sides of casing is close to top department and all is equipped with telescopic machanism 31, two telescopic machanism 31 includes sleeve pipe 311, two sleeve pipe 311 uses 1 inner chamber center of casing to be the bilateral symmetry setting as the symmetry axis, two sleeve pipe 311 top and 1 inner chamber top fixed connection of casing, two fixedly connected with spring 312, two of sleeve pipe 311 inner chamber top center department fixedly connected with T shape pole 313, two spring 312 bottom fixedly connected with T shape pole 313 has seted up the fifth opening, two near center department in T shape pole 313 bottom run through the fifth opening inner chamber and with connecting plate 3 top fixed connection, 1 bottom of casing is close to the equal fixed connection universal wheel 21 in four corners department.

The working principle is as follows: when the device works, firstly, a worker pushes the device to a place which is convenient to operate through the four universal wheels 21, then the worker puts steel pipes with different calibers needing to be degreased between the two clamping plates 9, then the worker starts the electric telescopic rod 5 through an external power supply to enable the electric telescopic rod 5 to start to shrink inwards, the electric telescopic rod 5 drives the connecting block 27 to start to move upwards when beginning to shrink inwards, the connecting block 27 drives one side of the two third movable plates 28 which is close to the inner cavity of the fixed box 6 to move upwards when moving upwards, one side of the two third movable plates 28 which is far away from the inner cavity of the fixed box 6 to move downwards so as to drive the two arc-shaped plates 10 to start to swing, the two arc-shaped plates 10 drive the plurality of first tooth blocks 26 to start to swing when swinging, the plurality of first tooth blocks 26 are meshed with the plurality of second tooth blocks 29 when swinging, so as to drive the two sliding blocks 7 to start to move towards the adjacent side, when the two sliding blocks 7 start to move towards the adjacent side, the two connecting rods 8 are driven to start to move towards the adjacent side, so that the two clamping plates 9 start to move towards the adjacent side, when the inner walls of the two clamping plates 9 are attached to the outer walls of steel pipes with different calibers, a worker disconnects an external power supply to prevent the electric telescopic rod 5 from contracting inwards, so that the steel pipes with different calibers are clamped, oil removing work is facilitated, after the steel pipes with different calibers are clamped, the worker starts the second motor 25 through the external power supply to enable the second motor 25 to start to work, the power output shaft of the second motor 25 is driven to start forward or reverse rotation, when the power output shaft of the second motor 25 starts forward or reverse rotation, the second rotating rod 15 is driven to start forward or reverse rotation, and when the second rotating rod 15 rotates forward or reverse, the two first movable plates 4 are driven to move downwards or upwards, when the two first movable plates 4 move downwards or upwards, the second movable plate 14 is driven to tend to be in a vertical or horizontal state, so that the connecting plate 3 is driven to move downwards or upwards, the device can adjust the distance between the steel pipe and the oil scraping roller 2 according to the caliber of the steel pipe, the surfaces of the steel pipes with different calibers are tightly attached to the surface of the oil scraping roller 2, the oil removing effect is better, after the distance between the steel pipe and the oil scraping roller 2 is adjusted, the external power supply is disconnected, the second motor 25 does not work any more, then a person starts the first motor 19 through the external power supply, the first motor 19 starts to work, the power output shaft of the first motor 19 is driven to rotate, the power output shaft of the first motor 19 drives the second grooved pulley 30 to rotate when the power output shaft of the first motor 19 starts to rotate, the belt 17 is driven to rotate when the second grooved pulley 30 rotates, so that the two oil scraping rollers 2 are driven to rotate to remove oil on the surface of the steel pipe, the effect of removing oil from steel pipes with different calibers is achieved, the application range of the device is improved, oil scraped from the steel pipes is collected together through the oil collecting cover 20, after the oil removing device removes oil from the steel pipes with different calibers for a period of time, a worker opens the valve 23, and the oil in the oil collecting cover 20 is taken out through the oil guide pipe 22 to be recycled, so that the oil can be removed from the steel pipes with different calibers through the repeated operation in the whole working process.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (7)

1. The utility model provides an applicable deoiling device in different bore steel pipes, includes casing (1), its characterized in that: a second motor (25) is fixedly connected to the rear side of the shell (1) close to the center of the top, a second protective cover (24) is fixedly connected to the inner cavity of the second motor (25), a first opening is formed in the rear side of the shell (1) close to the center of the top, the front end of a power output shaft of the second protective cover (24) penetrates through the inner cavity of the first opening and is fixedly connected with a second rotating rod (15), a first bearing is fixedly connected to the front side of the shell (1) close to the center of the top, the front end of the second rotating rod (15) is inserted into the inner cavity of the first bearing, first movable plates (4) are fixedly connected to the outer wall of the second rotating rod (15) close to the front side and the rear side, a first connecting shaft is movably connected to one adjacent side of the two first movable plates (4), and a second movable plate (14) is movably connected to one adjacent end of the two first connecting shafts, a second connecting shaft is movably connected to one side, close to the bottom, of the adjacent two second movable plates (14), a fixed seat (16) is fixedly connected to one end, close to the bottom, of the adjacent two second connecting shafts, a connecting plate (3) is fixedly connected to the bottom of the two fixed seats (16), an electric telescopic rod (5) is fixedly connected to the center of the bottom of the connecting plate (3), a fixed box (6) is fixedly connected to the bottom of the electric telescopic rod (5), a second opening is formed in the top of the fixed box (6) close to the center, the bottom of the electric telescopic rod (5) penetrates through an inner cavity of the second opening and is fixedly connected with a connecting block (27), two third connecting shafts are movably connected to the left side of the connecting block (27), a third movable plate (28) is movably connected to the left end of the two third connecting shafts, and a fourth connecting shaft is movably connected to one side, far away from the center of the inner cavity of the fixed box (6), of the two third movable plates (28), the right ends of the two fourth connecting shafts are movably connected with arc-shaped plates (10), the centers of the inner parts of the two arc-shaped plates (10) are fixedly connected with first rotating rods (11), the bottoms of the two arc-shaped plates (10) are fixedly connected with a plurality of first toothed blocks (26), the left side and the right side of the fixed box (6) are fixedly connected with second bearings, the two second bearings are symmetrically arranged in the front and back direction by taking the center of the inner cavity of the fixed box (6) as a symmetry axis, the left ends and the right ends of the two first rotating rods (11) are respectively inserted into the adjacent inner cavities of the second bearings, a sliding rod (12) is arranged at the bottom of the connecting block (27), the front end and the back end of the sliding rod (12) are fixedly connected with the inner walls of the front side and the back side of the fixed box (6), sliding blocks (7) are sleeved on the outer walls of the front end and the back end of the sliding rod (12), a plurality of second toothed blocks (29) are fixedly connected to the tops of the sliding blocks (7), the bottom of each of the two sliding blocks (7) is fixedly connected with a connecting rod (8), the bottom of each fixing box (6) is provided with a sliding groove, the bottom ends of the two connecting rods (8) penetrate through the inner cavity of the sliding groove and are fixedly connected with a clamping plate (9), two oil scraping rollers (2) are arranged in the position, close to the bottom, of the inner cavity of the shell (1), third bearings are fixedly connected to the positions, close to the bottom, of the left side and the right side of the shell (1), and are symmetrically arranged in the front and back direction by taking the center of the inner cavity of the shell (1) as a symmetric axis, the left end and the right end of each oil scraping roller (2) are respectively inserted into the adjacent inner cavities of the third bearings, first grooved wheels (13) are sleeved at the right ends of the two oil scraping rollers (2), a first protection cover (18) is fixedly connected to the position, close to the center of the bottom, of the right side of the shell (1), and a first motor (19) is fixedly connected to the inner cavity of the first protection cover (18), a third opening is formed in the right side of the shell (1) close to the center of the bottom, a power output shaft of the first motor (19) penetrates through the inner cavity of the third opening and is fixedly connected with a second grooved pulley (30), a belt (17) is arranged on the two first grooved pulleys (13) and the second grooved pulley (30), and the two first grooved wheels (13) and the second grooved wheel (30) are in transmission connection through a belt (17), the bottom of the inner cavity of the shell (1) is fixedly connected with an oil collecting cover (20), the positions of the oil collecting cover (20) and the bottom of the shell (1) close to the center are respectively provided with a fourth opening, the inner cavities of the two fourth openings are inserted with oil guide pipes (22), the oil guide pipe (22) is fixedly connected with a valve (23), the left side and the right side of the inner cavity of the shell (1) near the top are respectively provided with a telescopic mechanism (31), the bottom of the shell (1) is close to four corners and is fixedly connected with universal wheels (21).

2. The oil removing device applicable to steel pipes with different calibers as claimed in claim 1, wherein: the two arc plates (10) are arranged in a front-back symmetrical mode by taking the center of the inner cavity of the fixed box (6) as a symmetrical axis.

3. The oil removing device applicable to steel pipes with different calibers as claimed in claim 1, wherein: the centers of the inner cavities of the two sliding blocks (7) are provided with sliding holes matched with the sliding rods (12), and the second tooth blocks (29) are meshed with the first tooth blocks (26).

4. The oil removing device applicable to steel pipes with different calibers as claimed in claim 1, wherein: the cross section of the oil collecting cover (20) is in a trapezoid shape, the longer side of the trapezoid structure of the oil collecting cover (20) is arranged on the upper side, and the outer wall of the top of the oil collecting cover (20) is fixedly connected with the inner wall of the shell (1).

5. The oil removing device applicable to steel pipes with different calibers as claimed in claim 1, wherein: two telescopic machanism (31) are including sleeve pipe (311), two fixedly connected with spring (312) of sleeve pipe (311) inner chamber top center department, two spring (312) bottom fixedly connected with T shape pole (313), two the fifth opening has been seted up near center department to T shape pole (313) bottom, two T shape pole (313) bottom run through the fifth opening inner chamber and with connecting plate (3) top fixed connection.

6. The oil removing device applicable to steel pipes with different calibers as claimed in claim 5, wherein: the two sleeves (311) are arranged in a bilateral symmetry mode by taking the center of the inner cavity of the shell (1) as a symmetry axis, and the tops of the two sleeves (311) are fixedly connected with the top of the inner cavity of the shell (1).

7. The oil removing device applicable to steel pipes with different calibers as claimed in claim 1, wherein: two scrape oil roller (2) and use casing (1) inner chamber center to be symmetry setting around as the symmetry axis, and two scrape the distance between oil roller (2) and be less than the bore of steel pipe.

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