A hoisting equipment for steel pipe surface treatment

Abstract

The present invention relates to the field of steel pipe production, and in particular to a hoisting device for steel pipe surface treatment, including a mobile gantry, an electric moving seat I, a crane and a steel rope I, etc.; a plurality of electric moving seats I are installed on the mobile gantry; cranes are installed on all the electric moving seats I; and steel ropes I are provided on all the cranes. The present invention controls the crane to reel in a bifurcated rope and move it upward, and the round rod moves upward accordingly. The round rod moving upward pushes a plurality of smaller steel pipes as a whole to form a circular column, so that the plurality of smaller steel pipes as a whole form a circular column. The column changes from a circle to a crescent shape, so that the steel pipe originally located in the center of the circular column moves toward the direction close to the arc plate, so that the pickling liquid in the middle of the column can be better discharged, and the two round rods and the air blowing pipe are set to be triangularly distributed as a whole, which has a better stable bearing effect on the steel pipe.

Description

Technical Field

[0001] The invention relates to the field of steel pipe production, and in particular to a hoisting device for steel pipe surface treatment. Background Art

[0002] Steel pipe pickling is a pickling process for rust-free and recycled rusted steel or scrap steel in steel pipe production. The pickling liquid of the pickling process is generally a mixture of multiple acids, mainly sulfuric acid, nitric acid and hydrofluoric acid. Before pickling, the steel pipes must be bundled and hoisted, usually by ropes. The bundled steel pipes are transported to the pickling tank by hoisting equipment to start pickling. However, the existing hoisting equipment can only hoist the steel pipes back and forth and has no other functions. When the steel pipe enters the pickling tank and is pickled, there will be pickling liquid remaining on the surface and inside of the steel pipe. When entering the cleaning tank, the pickling liquid remaining in the steel pipe will be transferred to the cleaning tank, polluting the clean water in the cleaning tank, so that the clean water in the cleaning tank needs to be frequently replaced, and after the clean water is mixed with the pickling liquid, additional treatment is required. Summary of the invention

[0003] In order to overcome the shortcomings of existing lifting equipment that can only lift steel pipes but does not have the function of removing residual pickling liquid inside and outside the steel pipe, resulting in contamination of clean water in the cleaning pool and the need for frequent replacement and additional treatment, the present invention provides a lifting equipment for steel pipe surface treatment.

[0004] Technical solution: A lifting equipment for steel pipe surface treatment, including a mobile gantry, an electric moving seat I, a crane and a steel rope I; a plurality of electric moving seats I are installed on the mobile gantry; cranes are installed on all the electric moving seats I; steel ropes I are provided on all the cranes; it also includes a forked rope, a mounting seat, a drive motor, a connecting seat, a mounting column and an arc plate; all the cranes are provided with a forked rope; a plurality of mounting seats are fixedly connected to the mobile gantry; a drive motor is installed on the right front mounting seat and the right rear mounting seat; the opposite sides of all the front mounting seats are rotatably connected to the connecting seats; the opposite sides of all the rear mounting seats are rotatably connected to the connecting seats; all the front connecting seats are rotatably connected to the mounting column together; all the rear connecting seats are rotatably connected to another mounting column together, and a torsion spring for resetting is provided at the connection between the connecting seat and the mounting column; arc plates are provided on all the mounting columns.

[0005] In addition, it is particularly preferred that all the curved plates are provided with connecting pipes, all the curved plates are provided with blowing grooves I, and the connecting pipes are connected with the blowing grooves I.

[0006] In addition, it is particularly preferred that it also includes round rods, steel ropes II and rotation limiting buckles I; all forked ropes are fixedly connected to a number of round rods; all round rods are commonly connected to a number of steel ropes II; and the front and rear parts of all round rods are rotatably connected to rotation limiting buckles I.

[0007] Furthermore, it is particularly preferred that the round rod is a telescopic rod.

[0008] In addition, it is particularly preferred that it also includes an air blowing pipe and a rotation limiting buckle II; all the steel ropes I are commonly connected to the air blowing pipe, and a number of air holes are opened on the air blowing pipe. One end of the steel rope II is fixed on the air blowing pipe, and the other end of the steel rope II passes through the rear round rod, the front round rod and the air blowing pipe in sequence; the left and right ends of the air blowing pipe are provided with rotation limiting buckles II.

[0009] In addition, it is particularly preferred that it also includes a multi-stage electric push rod, a mounting plate and an electric moving seat II; the rotation limiting buckle II is made of magnetic material; a number of multi-stage electric push rods are fixedly connected to the mobile gantry; all the telescopic parts of the multi-stage electric push rods are installed with mounting plates; all the mounting plates are slidably connected to the electric moving seat II on the opposite sides, and all the electric moving seats II are provided with electromagnets, and the rotation limiting buckle II is magnetically matched with the electromagnet in the electric moving seat II.

[0010] In addition, it is particularly preferred that an adsorption groove is provided on the electric movable seat II.

[0011] Furthermore, it is particularly preferred that all the round rods and the blowing tubes are distributed in a triangular shape.

[0012] In addition, it is particularly preferred that arc plates are also included; a number of evenly distributed arc plates are installed on the lower side of all arc plates, the arc plates are hollow structures, all arc plates are connected to corresponding connecting pipes, and all arc plates are provided with blowing grooves II.

[0013] In addition, it is particularly preferred that a limiting strip is also included; and all steel ropes II are provided with a plurality of limiting strips.

[0014] Compared with the prior art, the present invention has the following advantages: the arc plate of the present invention scrapes the pickling liquid remaining on the surface of the steel pipe, and the arc plate intercepts the pickling liquid remaining on the surface of the steel pipe, so that the pickling liquid remaining on the surface of the steel pipe is transferred downward, thereby reducing the pickling liquid remaining on the surface of the steel pipe.

[0015] The present invention adds a connecting pipe and an air blowing groove I on the curved plate, the connecting pipe is connected with the air blowing groove I, when the steel pipe contacts the curved plate, an external air pump is started to convey airflow into the connecting pipe, the airflow is transferred into the curved plate, and the airflow is ejected from the air blowing groove I. When the curved plate scrapes the pickling liquid on the surface of the steel pipe, the ejected airflow blows the pickling liquid on the surface of the steel pipe, blows the pickling liquid on the surface of the steel pipe downward, and reduces the amount of residual pickling liquid on the surface of the steel pipe.

[0016] The present invention drives the air blowing pipe to make circular motion along the inner wall of the steel pipe through the electric moving seat II, starts the external air pump to convey the air flow into the air blowing pipe and spray it out from the air hole on it, so that the air flow blows the inner wall of the steel pipe, so that the pickling liquid on the inner wall of the steel pipe can be better transferred downward.

[0017] The present invention adds an arc plate on the arc plate, the arc plate is connected with the connecting pipe, and the air flow is transported in the arc plate. When the column moves upward and contacts the arc plate, the column pushes the arc plate on the arc plate, the arc plate bends upward, and the arc plate is inserted into the column. The air flow is sprayed from the blowing groove II on the arc plate to the center of the column, so that the air flow can be blown to the center of the column, so that the pickling liquid in the center of the column is transferred downward, thereby reducing the pickling liquid remaining on the column.

[0018] The present invention controls the crane to reel in a forked rope and move upward, and the round rod moves upward accordingly. The round rod moving upward pushes a circular column formed by a plurality of smaller steel pipes as a whole, so that the circular column formed by the plurality of smaller steel pipes as a whole is deformed, and the column changes from a circle to a crescent shape, so that the steel pipe originally located at the center of the circular column is transferred toward a direction close to the arc plate, so that the pickling liquid in the middle of the column can be better discharged, and the two round rods and the blowing pipe are set to be triangularly distributed as a whole, which has a better stable load-bearing effect on the steel pipe.

[0019] The present invention increases the contact area between the steel rope II and the steel pipe by adding a restriction strip on the steel rope II, thereby increasing the friction between the steel rope II and the steel pipe, thereby preventing the steel rope II from being unable to effectively restrict the steel pipe, causing the steel pipe forming the column to slip out and affecting the lifting of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure disclosed by the hoisting equipment for steel pipe surface treatment of the present invention;

[0021] Figure 2 It is an overall schematic diagram of the hoisting state of multiple steel pipes with smaller specifications disclosed by the hoisting equipment for steel pipe surface treatment of the present invention;

[0022] Figure 3 It is a partial structural schematic diagram of the hoisting equipment for steel pipe surface treatment disclosed in the present invention;

[0023] Figure 4 It is a structural schematic diagram of the mounting seat, driving motor, connecting seat, mounting column and arc plate disclosed by the hoisting equipment for steel pipe surface treatment of the present invention;

[0024] Figure 5 It is a structural schematic diagram of the arc plate, the connecting pipe and the blowing groove I disclosed in the lifting equipment for steel pipe surface treatment of the present invention;

[0025] Figure 6 It is a structural schematic diagram of the air blowing tank II disclosed in the hoisting equipment for steel pipe surface treatment of the present invention;

[0026] Figure 7The present invention is a schematic structural diagram of a round rod, a steel rope II, a rotation limiting buckle I, a multi-stage electric push rod, a mounting plate, an electric moving seat II, an air blowing pipe and a rotation limiting buckle II disclosed in the lifting equipment for steel pipe surface treatment of the present invention;

[0027] Figure 8 It is a schematic structural diagram of the round rod, steel rope II and air blowing pipe disclosed by the hoisting equipment for steel pipe surface treatment of the present invention;

[0028] Fig. 9 It is a partial schematic diagram of the hoisting state of multiple steel pipes with smaller specifications disclosed by the hoisting equipment for steel pipe surface treatment of the present invention;

[0029] Fig.10 The present invention is a schematic diagram of the structure of the limiting strip disclosed by the lifting equipment for steel pipe surface treatment.

[0030] In the figure: 1. mobile gantry, 2. electric moving seat I, 3. crane, 4. steel rope I, 5. mounting seat, 6. driving motor, 7. connecting seat, 8. mounting column, 9. arc plate, 10. arc plate, 101. round rod, 102. steel rope II, 103. rotation limiting buckle I, 110. multi-stage electric push rod, 111. mounting plate, 112. electric moving seat II, 113. blowing pipe, 114. rotation limiting buckle II, 120. limiting strip, 41. forked rope, 91. connecting pipe, 92. blowing slot I, 1001. blowing slot II, 1121. adsorption slot. DETAILED DESCRIPTION

[0031] Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as first or second are merely exemplary and are not intended to limit the scope of the present invention in any way. Example 1

[0032] A lifting device for steel pipe surface treatment, such as Figure 1 to Figure 4 and Figure 7 to Figure 10 As shown, it includes a mobile gantry 1, an electric moving seat Ⅰ2, a crane 3 and a steel rope Ⅰ4; two electric moving seats Ⅰ2 are installed on the mobile gantry 1; cranes 3 are installed on all the electric moving seats Ⅰ2; and steel ropes Ⅰ4 are provided on all the cranes 3;

[0033] It also includes a forked rope 41, a mounting seat 5, a driving motor 6, a connecting seat 7, a mounting column 8 and an arc plate 9; all cranes 3 are provided with a forked rope 41; four mounting seats 5 distributed in a rectangular shape are fixedly connected to the mobile gantry 1; the right front mounting seat 5 and the right rear mounting seat 5 are both equipped with a driving motor 6; the two front mounting seats 5 are rotatably connected to the connecting seats 7 on opposite sides; the two rear mounting seats 5 are rotatably connected to the connecting seats 7 on opposite sides; the two front connecting seats 7 are rotatably connected to the mounting column 8 together; the two rear connecting seats 7 are rotatably connected to another mounting column 8 together, and a torsion spring is provided at the connection between the connecting seat 7 and the mounting column 8; all mounting columns 8 are equipped with an arc plate 9.

[0034] All the curved plates 9 are provided with connecting pipes 91, and all the curved plates 9 are provided with air blowing grooves I 92. The connecting pipes 91 are connected with the air blowing grooves I 92 to better clean the pickling liquid on the steel pipe.

[0035] It also includes a round rod 101, a steel rope II 102 and a rotation limiting buckle I 103; all the forked ropes 41 are fixedly connected to two round rods 101; all the round rods 101 are commonly connected to two steel ropes II 102; the front and rear parts of all the round rods 101 are rotatably connected to the rotation limiting buckle I 103, and the rotation limiting buckle I 103 is used to fix the steel rope II 102.

[0036] The round rod 101 is a telescopic rod, which is convenient for adjusting the center of gravity of the steel pipe as a whole.

[0037] It also includes an air blowing pipe 113 and a rotation limiting buckle II 114; all the steel ropes I4 are connected to the air blowing pipe 113, and the air blowing pipe 113 is provided with a plurality of air holes equidistantly arranged around the air blowing pipe 113; one end of the steel rope II 102 is fixed on the air blowing pipe 113, and the other end of the steel rope II 102 passes through the rear round rod 101, the front round rod 101 and the air blowing pipe 113 in sequence; the left and right ends of the air blowing pipe 113 are provided with rotation limiting buckles II 114.

[0038] It also includes a multi-stage electric push rod 110, a mounting plate 111 and an electric moving seat II 112; the rotation limiting buckle II 114 is made of magnetic material; two multi-stage electric push rods 110 are fixedly connected to the mobile gantry 1; all the telescopic parts of the multi-stage electric push rods 110 are installed with the mounting plate 111; all the mounting plates 111 are slidably connected with the electric moving seat II 112 on the opposite sides, and all the electric moving seats II 112 are provided with electromagnets, and the rotation limiting buckle II 114 is magnetically matched with the electromagnet in the electric moving seat II 112.

[0039] The electric movable seat II 112 is provided with an adsorption groove 1121 to facilitate the movement of the air blowing pipe 113 .

[0040] Before pickling the steel pipe, use ropes to tie the steel pipe to be pickled to the steel rope Ⅰ4, control the electric moving seat Ⅰ2 to drive the crane 3 to move, adjust the distance between the cranes 3 to change the center of gravity of the steel pipe, start the crane 3 to drive the tied steel pipe to move upward, control the mobile gantry 1 to move toward the pickling tank, and after the steel pipe moves to the top of the pickling tank, the two arc plates 9 are in a closed state. First, control the drive motor 6 on the mounting seat 5 to drive the connecting seat 7, the mounting column 8 and the arc plate 9. The curved plate 9 rotates (the front connecting seat 7, mounting column 8 and curved plate 9 rotate forward, and the rear connecting seat 7, mounting column 8 and curved plate 9 rotate backward), the two curved plates 9 are no longer in contact, and the curved plate 9 changes from a closed state to an open state. The crane 3 is controlled to put the steel pipe tied to the steel rope Ⅰ4 into the pickling tank. After the steel pipe is put into the pickling tank, the drive motor 6 on the mounting seat 5 is controlled to drive the connecting seat 7, mounting column 8 and curved plate 9 to return to the closed state, and then the pickling treatment of the steel pipe is started.

[0041] Before using the present invention, the connecting pipe 91 is connected to the external air pump. After the pickling of the steel pipe is completed, the crane 3 is controlled to pull the steel pipe tied to the steel rope Ⅰ4 out of the pickling tank. After the steel pipe loses contact with the pickling liquid in the pickling tank, the pickling liquid remains on the surface and inside of the steel pipe. When the pickling liquid on the surface and inside of the steel pipe is cleaned, the pickling liquid remaining in the steel pipe will be transferred to the cleaning tank, polluting the clean water in the cleaning tank, so that the clean water in the cleaning tank needs to be frequently replaced, and the clean water After mixing into the pickling liquid, additional treatment is required. After the steel pipe is pulled out of the pickling tank, the steel pipe contacts the curved plate 9, and the steel pipe pushes the curved plate 9 to change the curved plate 9 from a closed state to an open state. At this time, the top of the curved plate 9 contacts the surface of the steel pipe, and the curved plate 9 scrapes the residual pickling liquid on the surface of the steel pipe. The curved plate 9 intercepts the residual pickling liquid on the surface of the steel pipe, so that the residual pickling liquid on the surface of the steel pipe is transferred downward, reducing the residual pickling liquid on the surface of the steel pipe.

[0042] Considering that after the curved plate 9 contacts the surface of the steel pipe, the curved plate 9 scrapes the residual pickling liquid on the surface of the steel pipe. Since the pickling liquid is adhesive, the residual pickling liquid on the surface of the steel pipe cannot be cleaned only by the curved plate 9, and there will still be residual pickling liquid on the surface of the steel pipe. By adding a connecting pipe 91 and a blowing groove Ⅰ92 to the curved plate 9, the connecting pipe 91 is connected with the blowing groove Ⅰ92. When the steel pipe contacts the curved plate 9, the external air pump is started to convey airflow into the connecting pipe 91, and the airflow is transferred to the curved plate 9, and the airflow is ejected from the blowing groove Ⅰ92. While the curved plate 9 scrapes the pickling liquid on the surface of the steel pipe, the ejected airflow blows the pickling liquid on the surface of the steel pipe, blows the pickling liquid on the surface of the steel pipe downward, and reduces the residual amount of pickling liquid on the surface of the steel pipe.

[0043] When installing the steel pipe on the steel rope Ⅰ4, first put the air pipe 113 into the steel pipe, connect the air pipe 113 to the external air pump, move the steel pipe to the round rod 101, and then connect the two round rods 101 and the air pipe 113 through the steel rope Ⅱ102, and limit the steel rope Ⅱ102 through the corresponding rotation limiting buckle Ⅰ103 and rotation limiting buckle Ⅱ114. Figure 3 Status shown.

[0044] Considering that pickling liquid remains inside the steel pipe when it is pulled out of the pickling tank, the conventional method is to control the crane 3 to reel in the steel rope Ⅰ4, so that the steel pipe is tilted and the pickling liquid inside the steel pipe is poured out. However, a small amount of pickling liquid still remains inside the steel pipe. Figure 1 In the position shown, by adding a multi-stage electric push rod 110, a mounting plate 111 and an electric moving seat II 112 to the mobile gantry 1, after the steel pipe is pulled out of the pickling tank, the crane 3 is controlled to release the steel rope I 4, and the air blowing pipe 113 moves downward, and at the same time, the multi-stage electric push rod 110 is controlled to be pushed out, and the mounting plate 111 and the electric moving seat II 112 move toward the air blowing pipe 113. When the electric moving seat II 112 approaches the air blowing pipe 113, the electromagnet in the electric moving seat II 112 magnetically attracts the limiting rotation buckles II 114 at both ends of the air blowing pipe 113, and then the electric moving seat II 112 is controlled to slide on the mounting plate 111, and the electric moving seat II 112 drives the air blowing pipe 113 to move along the steel pipe. The inner wall of the steel pipe makes a circular motion, and the external air pump is started to convey the air flow to the blowing pipe 113 and spray it out from the air hole on it, so that the air flow blows the inner wall of the steel pipe, so that the pickling liquid on the inner wall of the steel pipe can be better transferred downward. First, the multi-stage electric push rod 110 is controlled to retract, so that the electric moving seat Ⅱ112 loses contact with the rotation limiting buckle Ⅱ114, and the electric moving seat Ⅱ112 no longer magnetically attracts the rotation limiting buckle Ⅱ114. Then, the crane 3 is controlled to reel in the steel rope Ⅰ4 and the forked rope 41 respectively, so that the round rod 101, the blowing pipe 113 and the steel pipe are presented in an inclined state with one end high and the other low, so that the pickling liquid cleaned up in the above manner flows out from the inside of the steel pipe, thereby cleaning the pickling liquid remaining on the inner wall of the steel pipe. Example 2

[0045] On the basis of Example 1, Figures 5 to 10 As shown, all the round rods 101 and the blowing pipes 113 are distributed in a triangle, which provides a more stable load-bearing for the steel pipe.

[0046] It also includes an arc plate 10; a number of evenly distributed arc plates 10 are installed on the lower side of all arc plates 9, the arc plates 10 are hollow structures, all arc plates 10 are connected to the corresponding connecting pipes 91, and all arc plates 10 are provided with blowing grooves II 1001.

[0047] It also includes a limiting strip 120; all the steel ropes II 102 are provided with a plurality of limiting strips 120.

[0048] In the process of steel pipe pickling, in order to better meet the needs of customers, it is necessary to pickle steel pipes of different specifications. When pickling steel pipes of smaller specifications, in order to efficiently complete the pickling of steel pipes of smaller specifications, multiple steel pipes of smaller specifications are usually put into the pickling tank together for pickling. The multiple steel pipes of smaller specifications form a circular column as a whole, hereinafter referred to as the column. After the column is pulled out of the pickling tank, the residual pickling liquid on the column is cleaned by the arc plate 9 and the blowing groove I 92, and the air flow blown out of the blowing groove I 92 It is impossible to enter the center of the column, so that there will still be pickling liquid residual on the steel pipe near the center of the column. By adding an arc plate 10 on the arc plate 9, the arc plate 10 is connected with the connecting pipe 91, and the air flow is transported into the arc plate 10. When the column moves upward and contacts the arc plate 9, the column pushes the arc plate 10 on the arc plate 9, and the arc plate 10 bends upward. The arc plate 10 is inserted into the column, and the air flow is sprayed from the blowing groove Ⅱ1001 on the arc plate 10 to the center of the column, so that the air flow can be blown to the center of the column, allowing the pickling liquid in the center of the column to transfer downward, thereby reducing the pickling liquid remaining on the column.

[0049] In order to better clean the pickling liquid located at the center of the column, when fixing a plurality of smaller steel pipes to form a circular column, the steel rope II 102 is wound around the column. After the column is pulled out of the pickling tank, the column is located between the two arc plates 9. At this time, the crane 3 is controlled to reel in the steel rope I4 and no longer pulls the air pipe 113 to move upward. The crane 3 is controlled to reel in the forked rope 41 and move upward, and the round rod 101 follows the upward movement. The upward moving round rod 101 pushes the circular column formed by the plurality of smaller steel pipes as a whole, so that the circular column formed by the plurality of smaller steel pipes as a whole is deformed, and the column changes from a circle to a crescent shape, so that the steel pipe originally located at the center of the circular column moves toward the arc plate 9, so that the pickling liquid in the middle of the column can be better discharged, and the two round rods 101 and the air pipe 113 are set to be triangularly distributed as a whole, which has a better stable load-bearing effect on the steel pipe.

[0050] Taking into account that when a plurality of smaller steel pipes form a circular column that is tilted as a whole, the center of gravity of the column gathers toward one end, the contact area between the steel rope Ⅱ102 and the steel pipe is small, and the steel rope Ⅱ102 cannot effectively restrict the steel pipe, causing the steel pipe forming the column to slide out, affecting the lifting of the steel pipe. By adding a restriction strip 120 to the steel rope Ⅱ102, the contact area between the steel rope Ⅱ102 and the steel pipe is increased, and the friction between the steel rope Ⅱ102 and the steel pipe is increased, it is avoided that the steel rope Ⅱ102 cannot effectively restrict the steel pipe, causing the steel pipe forming the column to slide out, affecting the lifting of the steel pipe.

[0051] The above embodiments are provided for persons familiar with the art to implement or use the present invention. Personnel familiar with the art can make various modifications or changes to the above embodiments without departing from the inventive concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A steel pipe surface treatment lifting device, comprising a mobile gantry (1), an electric moving seat I (2), a crane (3) and a steel rope I (4); a plurality of electric moving seats I (2) are mounted on the mobile gantry (1); cranes (3) are mounted on all the electric moving seats I (2); and steel ropes I (4) are provided on all the cranes (3); the device is characterized in that: It also includes a forked rope (41), a mounting seat (5), a drive motor (6), a connecting seat (7), a mounting column (8) and an arc plate (9); all cranes (3) are provided with a forked rope (41); a plurality of mounting seats (5) are fixedly connected to the mobile gantry (1); the right front mounting seat (5) and the right rear mounting seat (5) are both provided with a drive motor (6); the opposite sides of all the front mounting seats (5) are rotatably connected to the connecting seat (7); the opposite sides of all the rear mounting seats (5) are rotatably connected to the connecting seat (7); all the front connecting seats (7) are rotatably connected to the mounting column (8); all the rear connecting seats (7) are rotatably connected to another mounting column (8); a torsion spring for resetting is provided at the connection between the connecting seat (7) and the mounting column (8); and all the mounting columns (8) are provided with an arc plate (9); It also includes a round rod (101), a steel rope II (102) and a rotation limiting buckle I (103); all the bifurcated ropes (41) are fixedly connected to a plurality of round rods (101); all the round rods (101) are commonly connected to a plurality of steel ropes II (102); the front and rear parts of all the round rods (101) are rotatably connected to the rotation limiting buckle I (103); It also includes an air blowing pipe (113) and a rotation limiting buckle II (114); all the steel ropes I (4) are connected to the air blowing pipe (113), and the air blowing pipe (113) is provided with a plurality of air holes; one end of the steel rope II (102) is fixed to the air blowing pipe (113), and the other end of the steel rope II (102) passes through the rear round rod (101), the front round rod (101) and the air blowing pipe (113) in sequence; the left end and the right end of the air blowing pipe (113) are provided with rotation limiting buckles II (114); It also includes a multi-stage electric push rod (110), a mounting plate (111) and an electric moving seat II (112); the rotation limiting buckle II (114) is made of a magnetic material; a plurality of multi-stage electric push rods (110) are fixedly connected to the mobile gantry (1); the telescopic parts of all the multi-stage electric push rods (110) are mounted with mounting plates (111); the opposite sides of all the mounting plates (111) are slidably connected with the electric moving seat II (112); all the electric moving seats II (112) are provided with electromagnets, and the rotation limiting buckle II (114) is magnetically matched with the electromagnets in the electric moving seat II (112).

2. The steel pipe surface treatment hoisting equipment according to claim 1, characterized in that: All the arc-shaped plates (9) are provided with connecting pipes (91), and all the arc-shaped plates (9) are provided with air blowing grooves I (92), and the connecting pipes (91) are communicated with the air blowing grooves I (92).

3. The steel pipe surface treatment hoisting equipment according to claim 2, characterized in that: The round rod (101) is a telescopic rod.

4. The steel pipe surface treatment hoisting equipment according to claim 3, characterized in that: The electric movable seat II (112) is provided with an adsorption groove (1121).

5. A steel pipe surface treatment hoisting device according to any one of claims 2 to 4, characterized in that: All the round rods (101) and the air blowing pipes (113) are distributed in a triangle.

6. The steel pipe surface treatment hoisting equipment according to claim 5, characterized in that: It also includes an arc plate (10); a plurality of evenly distributed arc plates (10) are installed on the lower side of all the arc plates (9); the arc plates (10) are hollow structures; all the arc plates (10) are connected to corresponding connecting pipes (91); and all the arc plates (10) are provided with blowing grooves II (1001).

7. The steel pipe surface treatment hoisting equipment according to claim 6, characterized in that: It also includes a limiting strip (120); all the steel ropes II (102) are provided with a plurality of limiting strips (120).

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