Large-diameter circular cooling rack

Abstract

The utility model relates to the field of steel pipe cooling equipment, in particular to a large-diameter circular cooling rack which comprises a mounting frame, a mounting groove is formed in the mounting frame, a clamping seat used for clamping one end of a steel pipe is mounted on the mounting frame and located in the mounting groove, and a cooling frame is rotationally arranged in the mounting groove and located outside the steel pipe. The rotating axis of the cooling frame and the central axis of the steel pipe are located on the same straight line, a plurality of spray pipes are arranged on the cooling frame in the vertical direction, the spray pipes are circumferentially arranged in the rotating direction of the cooling frame, the spray pipes are connected with a water source, and a cooling hole used for placing the steel pipe is formed in the top of the cooling frame. Each spraying pipe is provided with a plurality of spraying water nozzles facing the steel pipe in the length direction of the spraying pipe, and the cooling frame is connected with a driving piece used for driving the cooling frame to rotate. The surface of the steel pipe is cooled more uniformly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of steel pipe cooling equipment, and particularly relates to a large-diameter circular cooling rack. BACKGROUND

[0002] The precise steel pipe is usually made of steel ingot or solid pipe perforation, and is manufactured through hot rolling and cold rolling technology. The manufacturing of the precise steel pipe requires that the blank is sent into a furnace for heating at a temperature of about 1,200 DEG C, and hydrogen is mainly used as fuel. In the heating process, the control of the temperature in the furnace is the most important part, and the temperature needs to be controlled within a rated range, so that the manufactured precise steel pipe can have more stable physical properties. After the heating is completed, the precise steel pipe needs to be cooled by water spraying. Therefore, the seamless steel pipe for high-pressure boiler header needs to be cooled after production, which directly affects the final performance and quality of the steel pipe.

[0003] The existing cooling device includes a cylindrical circular cooling rack, and a placing opening for placing the steel pipe is formed at the top of the circular cooling rack. A plurality of spray heads are arranged on the circular cooling rack, the plurality of spray heads are divided into four groups, the four groups of spray heads are arranged in a circumferential direction along the circumference of the circular cooling rack, the spray heads in each group are arranged in a vertical direction, and the plurality of spray heads are directed toward the center. A worker hoists the steel pipe into the circular cooling rack by a crane, and the steel pipe is cooled by the plurality of groups of spray heads.

[0004] According to the related technology in the above, since the existing spray heads are limited, the surface of the whole steel pipe cannot be covered only by the spraying range of the spray heads, so that the steel pipe may be unevenly cooled, and the quality of the steel pipe is affected. CONTENT OF THE INVENTION

[0005] In order to make the surface of the steel pipe more evenly cooled and improve the quality of the steel pipe, the present application provides a large-diameter circular cooling rack.

[0006] The present application provides a large-diameter circular cooling rack, which adopts the following technical scheme:

[0007] The large-diameter circular cooling rack comprises a mounting frame, a mounting groove is formed in the mounting frame, a clamping seat for clamping one end of the steel pipe is mounted in the mounting groove, a cooling rack is rotatably arranged outside the steel pipe in the mounting groove, the rotation axis of the cooling rack is on the same straight line as the center axis of the steel pipe, a plurality of spray pipes are arranged on the cooling rack, the plurality of spray pipes are arranged in a vertical direction, and a plurality of groups of spray heads are arranged in a circumferential direction along the rotation direction of the cooling rack, a water source is connected to the spray pipes, a cooling hole for placing the steel pipe is formed at the top of the cooling rack, a plurality of spray water nozzles directed toward the steel pipe are arranged on each spray pipe along the length direction of the spray pipe, and the cooling rack is connected with a driving member for driving the rotation of the cooling rack.

[0008] By adopting the above technical scheme, when the steel pipe needs to be cooled, the worker only needs to hoist the steel pipe into the cooling hole by the crane, and clamp the steel pipe by the clamping seat, at this time, the spray water source and the driving piece are opened, the cooling frame is rotated, and the surface of the steel pipe is sprayed by the spray nozzle to cool, so that the surface of the steel pipe is cooled more uniformly, and the quality of the steel pipe is improved.

[0009] Preferably, the driving piece comprises an electric push rod, the top of the cooling frame is connected with an adjusting piece, a strip-shaped hole is formed in the adjusting piece, the electric push rod is connected with the top of the mounting frame, the cooling frame is higher than the highest part of the mounting groove, a movable column is connected with the piston rod of the electric push rod, the movable column is slidably connected with the strip-shaped hole and the sliding direction is the radial direction of the cooling hole.

[0010] By adopting the above technical scheme, when the steel pipe needs to be cooled, the worker only needs to hoist the steel pipe into the cooling hole by the crane, and open the electric push rod, the piston rod of the electric push rod is extended or retracted, and the movable column slides back and forth in the strip-shaped hole, so that the cooling frame rotates by a certain angle and then rotates back by a certain angle, thereby realizing the back-and-forth rotation of the cooling frame by a certain angle, making the surface of the steel pipe more uniformly cooled, thereby improving the quality of the steel pipe.

[0011] Preferably, a clamping groove is formed in the clamping seat, and a first locking assembly for fixing one end of the steel pipe is arranged in the clamping groove.

[0012] By adopting the above technical scheme, the clamping seat can stably clamp the steel pipe, so that it maintains a stable position during cooling. This stability helps to ensure the uniformity of the cooling process, thereby avoiding local overheating or uneven cooling of the steel pipe; the clamping groove and the first locking assembly provided in the clamping seat ensure the correct positioning of the steel pipe, so that the spray pipe can accurately spray the surface of the steel pipe for cooling.

[0013] Preferably, the first locking assembly comprises two clamping blocks and two locking springs, two locking grooves communicating with the clamping groove are formed in the inner wall of the clamping seat, the clamping blocks are slidably connected with the locking grooves and the sliding direction is the radial direction of the clamping groove, the clamping blocks abut against the outer wall of the steel pipe when sliding, the locking springs are located in the locking grooves, one end of the locking spring is connected with the inner wall of the locking groove, the other end of the locking spring is connected with one end of the clamping block, and a first driving piece for driving the two clamping blocks to slide in the locking groove is arranged in the clamping seat.

[0014] By adopting the above technical scheme, when the steel pipe needs to be cooled, the worker only needs to put the steel pipe into the clamping groove, at this time, the two clamping blocks are brought close to each other and clamp one end of the steel pipe by the first driving piece, so that it maintains a stable position during cooling. This stability helps to ensure the uniformity of the cooling process, thereby avoiding local overheating or uneven cooling of the steel pipe.

[0015] Preferably, the first driving member comprises a sliding seat and a driving spring, the sliding seat is provided with a slot for plug-in cooperation with one end of the steel pipe, the sliding seat is slidably connected with the clamping groove in a vertical direction, one end of the driving spring is connected with the bottom wall of the clamping groove, the other end of the driving spring is connected with the bottom of the sliding seat, the sliding seat closes the opening of the locking slot when sliding, and the bottom of the clamping block is provided with a guide surface.

[0016] By adopting the above technical scheme, when the steel pipe needs to be cooled, the worker only needs to put the steel pipe into the clamping groove, at this time, the first driving member is used to make the two clamping blocks close to each other and clamp one end of the steel pipe, thereby improving the stability of the steel pipe.

[0017] Preferably, the lifting frame is further provided with a second locking assembly for locking the other end of the steel pipe away from the clamping seat.

[0018] By adopting the above technical scheme, the crane lifts the lifting frame by passing the steel rope through the lifting hole on the lifting frame, and then locks the other end of the steel pipe away from the clamping seat by the second locking assembly, so that the steel pipe maintains a stable position during cooling. The design of the lifting frame allows the user to conveniently lift and move the large-diameter steel pipe.

[0019] Preferably, the second locking assembly comprises two locking blocks and a second driving member, the bottom of the lifting frame is provided with a second sliding groove, the top of the locking block is slidably connected with the second sliding groove in the length direction of the lifting frame, and the second driving member is used to drive the two locking blocks to move close to or away from each other, and the two locking blocks clamp the other end of the steel pipe away from the clamping seat when moving close to each other.

[0020] By adopting the above technical scheme, when the steel pipe needs to be cooled, the crane lifts the lifting frame to move above the produced steel pipe, and then opens the second driving member to make the two locking blocks close to each other to clamp one end of the produced steel pipe, and then the steel pipe is transported into the cooling frame, so that the other end of the steel pipe is clamped by the two clamping blocks. The position of the steel pipe can be fixed during cooling to prevent displacement of the steel pipe during operation. This locking mechanism reduces the instability of the steel pipe during cooling or processing, thereby improving the safety of operation and preventing accidents.

[0021] Preferably, the second driving member comprises a driving screw and a driving motor, the driving screw is arranged in the length direction of the lifting frame, the top of the two locking blocks is respectively threadedly sleeved on two opposite threaded segments of the driving screw, and the output shaft of the driving motor is axially fixed with the driving screw.

[0022] By adopting the above technical solution, the design of the driving screw allows the position of the locking block to be accurately adjusted. By driving the screw to rotate through the motor, the movement of the locking block can be very accurately controlled, thereby accurately locking the end of the steel pipe. This precise control helps to ensure the stability and correct alignment of the steel pipe during cooling.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When the steel pipe needs to be cooled, the worker only needs to hoist the steel pipe into the cooling hole through the crane and clamp the steel pipe through the clamping seat. At this time, the spray water source and the electric push rod are turned on, the piston rod of the electric push rod is extended or retracted, the movable column slides back and forth in the strip-shaped hole, thereby making the cooling frame rotate by a certain angle and then rotate back by a certain angle, thereby realizing the back-and-forth rotation of the cooling frame by a certain angle, making the surface of the steel pipe cool more evenly, thereby improving the quality of the steel pipe.

[0025] 2. When the steel pipe needs to be cooled, the worker only needs to hoist the steel pipe into the cooling hole through the crane and turn on the electric push rod. The piston rod of the electric push rod is extended or retracted, and the movable column slides back and forth in the strip-shaped hole, thereby making the cooling frame rotate by a certain angle and then rotate back by a certain angle, thereby realizing the back-and-forth rotation of the cooling frame by a certain angle, making the surface of the steel pipe cool more evenly, thereby improving the quality of the steel pipe.

[0026] 3. The clamping seat can stably clamp the steel pipe, keeping its position stable during cooling. This stability helps to ensure the uniformity of the cooling process, thereby avoiding local overheating or uneven cooling of the steel pipe; the clamping groove and the first locking assembly provided on the clamping seat ensure the correct positioning of the steel pipe, so that the spray pipe can accurately aim at the surface of the steel pipe for spray cooling. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic diagram of the large-diameter circular cooling rack of the embodiment of the present application.

[0028] Figure 2 is the partial structure schematic diagram of the large-diameter circular cooling rack of the embodiment of the present application, mainly showing the cooling frame.

[0029] Figure 3 is the cross-sectional schematic diagram of the large-diameter circular cooling rack of the embodiment of the present application, mainly showing the first locking assembly and the second locking assembly.

[0030] Explanation of reference signs: 100, steel pipe; 1, mounting frame; 11, mounting groove; 2, clamping seat; 21, clamping groove; 22, locking groove; 3, cooling frame; 31, cooling hole; 32, adjusting piece; 33, strip-shaped hole; 34, top plate; 35, bottom plate; 4, spray pipe; 41, spray nozzle; 5, electric push rod; 51, movable column; 61, clamping block; 62, locking spring; 71, sliding seat; 72, driving spring; 8, hanging bracket; 81, hoisting hole; 82, second sliding groove; 91, locking block; 92, driving screw; 93, driving motor. DETAILED DESCRIPTION

[0031] The application will be further described in detail below with reference to all the accompanying drawings.

[0032] The embodiment of the application discloses a large-diameter circular cooling rack. Figure 1 , Figure 2 The large-diameter circular cooling rack comprises a cylindrical mounting frame 1, a cylindrical mounting groove 11 is formed in the mounting frame 1, a drain hole is arranged in the mounting frame 1 and located in the mounting groove 11, so that sewage is prevented from accumulating in the mounting groove 11, a cooling frame 3 is rotationally arranged in the mounting groove 11, the cooling frame 3 comprises a top plate 34 and a bottom plate 35 which are circular rings with the same size, four cuboid supporting plates are arranged between the top plate 34 and the bottom plate 35, the top plate 34 and the bottom plate 35 are arranged along a vertical direction, the four cuboid supporting plates are circumferentially arranged along a circumferential direction of the top plate 34, a plurality of supporting rings which are circular rings are welded on the four supporting plates along a length direction of the four supporting plates, six vertical spray pipes 4 are connected to the supporting rings through bolts, the six spray pipes 4 are circumferentially arranged along the circumferential direction of the top plate 34, a water pipe is connected to each spray pipe 4, the water pipe is connected to a high-pressure water source, a plurality of spray nozzles 41 are arranged on each spray pipe 4 along a length direction of the spray pipe 4, the spray nozzles 41 pass through between every two supporting rings and are directed to the steel pipe 100, and the spray nozzles 41 are communicated with the spray pipes 4.

[0033] Referring to Figure 1 , Figure 3The cooling frame 3 is provided with a cooling hole 31 for the steel pipe 100, the cooling hole 31 penetrates the top plate 34 and the bottom plate 35, the cooling hole 31 is in the same straight line with the center axis of the mounting groove 11, the mounting frame 1 is installed in the hole of the bottom plate 35 and is provided with a clamping seat 2 for clamping one end of the steel pipe 100, the clamping seat 2 is in a cylindrical shape, the clamping seat 2 is provided with a cylindrical clamping groove 21, the clamping groove 21 is provided with a first locking assembly for fixing the steel pipe 100, the first locking assembly includes two clamping blocks 61 and two locking springs 62, the clamping seat 2 is provided with two opposite locking grooves 22 which are communicated with the clamping groove 21, the clamping block 61 is slidably connected with the locking groove 22 and the sliding direction is the radial direction of the clamping groove 21, one side of the two clamping blocks 61 facing the steel pipe 100 is a circular arc surface, the two clamping blocks 61 respectively abut against the two sides of the outer wall of the steel pipe 100 when sliding, the locking spring 62 is located in the locking groove 22, one end of the locking spring 62 is adhered to the inner wall of the locking groove 22, the other end of the locking spring 62 is adhered to one end of the clamping block 61, the clamping seat 2 is provided with a first driving member for driving the two clamping blocks 61 away from each other, the first driving member includes a sliding seat 71 and a plurality of driving springs 72, the sliding seat 71 is slidably connected with the clamping groove 21 and the sliding direction is the vertical direction, one end of the plurality of driving springs 72 is adhered to the bottom wall of the clamping groove 21, the other end of the plurality of driving springs 72 is adhered to the bottom of the sliding seat 71, the sliding seat 71 is closed when sliding, the opening of the locking groove 22 is closed by the sliding seat 71, the bottom of each clamping block 61 is provided with a guide surface, the sliding seat 71 abuts against the guide surface when sliding upward, so that the two clamping blocks 61 are driven into the locking groove 22 when the sliding seat 71 is not provided with the steel pipe 100, thereby avoiding affecting the subsequent cooling.

[0034] The cooling rack further comprises a hanger 8 in the shape of a cuboid, two hanger plates are welded on the top of the hanger 8, a lifting hole 81 is formed in each of the two hanger plates, the center axes of the two lifting holes 81 are on the same straight line, a second locking assembly for locking the end of the steel pipe 100 away from the clamping seat 2 is arranged at the bottom of the hanger 8, the second locking assembly comprises two locking blocks 91 and a second driving member, a second sliding groove 82 is formed in the bottom of the hanger 8, the top of each locking block 91 is in sliding connection with the second sliding groove 82 and the sliding direction is the length direction of the hanger 8, a moving groove and a motor groove are formed in the hanger 8, the moving groove is arranged along the length direction of the hanger 8 and is in communication with the second sliding groove 82, the second driving member comprises a driving screw 92 and a driving motor 93, the two ends of the driving screw 92 are rotatably connected with the two inner walls of the moving groove in the length direction, the driving screw 92 is a double-headed screw, the top of each locking block 91 penetrates through the second sliding groove 82 and is threadedly sleeved on the two opposite threaded segments of the driving screw 92, the driving motor 93 is located in the motor groove and is connected with the inner wall of the motor groove through bolts, the driving motor 93 is a servo motor, the output shaft of the driving motor 93 is fixed in the circumferential direction with the driving screw 92 in the moving groove through the inner wall of the motor groove, and the side of the motor groove away from the moving groove can be opened for convenient maintenance and installation of the driving motor 93.

[0035] The cooling rack 3 is connected with a driving member for driving the rotation of the cooling rack 3, the driving member comprises an electric push rod 5, the top of the cooling rack 3 is connected with an adjusting piece 32, a strip-shaped hole 33 is formed in the adjusting piece 32 along the radial direction of the cooling hole 31, the electric push rod 5 is connected with the top of the mounting frame 1 through bolts, the cooling rack 3 is higher than the opening plane of the mounting groove 11, a fixing column is connected with the piston rod of the electric push rod 5 through bolts, a movable column 51 is rotatably sleeved on the fixing column, and the movable column 51 is in sliding connection with the strip-shaped hole 33 and the sliding direction is the radial direction of the cooling hole 31.

[0036] The implementation principle of the large-diameter circular cooling rack in the embodiment of the application is as follows: when the steel pipe 100 needs to be cooled, the worker only needs to hoist the steel pipe 100 into the cooling hole 31 through a crane and clamp the steel pipe 100 through the clamping seat 2, at this time, the spray water source and the electric push rod 5 are started, the piston rod of the electric push rod 5 is extended or retracted, the movable column 51 slides back and forth in the strip-shaped hole 33, so that the cooling rack 3 rotates by a certain angle and then rotates back by a certain angle, thereby realizing the back-and-forth rotation of the cooling rack 3 by a certain angle, making the surface cooling of the steel pipe 100 more uniform, and thus improving the quality of the steel pipe 100.

[0037] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A large diameter circular cooling rig characterised in that: The utility model provides a steel pipe cooling device, including the mounting frame (1), the mounting groove (11) is seted up on the mounting frame (1), the clamping seat (2) for clamping one end of steel pipe (100) is installed in the mounting groove (11) of mounting frame (1), the cooling frame (3) is rotationally arranged in the mounting groove (11) and is located the outside of steel pipe (100), the rotation axis of cooling frame (3) is on the same straight line with the center axis of steel pipe (100), a plurality of spray pipes (4) are arranged on cooling frame (3), a plurality of spray pipes (4) are arranged along the vertical direction and a plurality of groups of spray heads are arranged in the circumferential direction along the rotation direction of cooling frame (3), the water source is connected to the spray pipe (4), the cooling hole (31) for the steel pipe (100) is seted up on the top of cooling frame (3), a plurality of spray nozzles (41) are arranged on each spray pipe (4) along the length direction of spray pipe (4) and face the steel pipe (100), the cooling frame (3) is connected with the drive member for driving the rotation of cooling frame (3).

2. A large diameter circular cooling rack as claimed in claim 1, wherein: The drive member includes an electric push rod (5), the adjusting sheet (32) is connected to the top of cooling frame (3), the strip-shaped hole (33) is seted up on the adjusting sheet (32), the electric push rod (5) is connected to the top of mounting frame (1), the cooling frame (3) is higher than the highest part of mounting groove (11), the piston rod of electric push rod (5) is connected with the movable column (51), the movable column (51) is slidably connected with the strip-shaped hole (33) and the sliding direction is the radial direction of cooling hole (31).

3. A large diameter circular cooling rack as claimed in claim 1, wherein: The clamping groove (21) is seted up on the clamping seat (2), the first locking assembly for fixing one end of steel pipe (100) is arranged in the clamping groove (21).

4. A large diameter circular cooling rack as claimed in claim 3, wherein: The first locking assembly includes two clamping blocks (61) and two locking springs (62), the locking groove (22) that is communicated with the clamping groove (21) is seted up on the inner wall of clamping seat (2), the clamping block (61) is slidably connected with the locking groove (22) and the sliding direction is the radial direction of clamping groove (21), the clamping block (61) abuts against the outer wall of steel pipe (100) when sliding, the locking spring (62) is located in the locking groove (22), one end of locking spring (62) is connected with the inner wall of locking groove (22), the other end of locking spring (62) is connected with one end of clamping block (61), the first drive member for driving the sliding of two clamping blocks (61) in the locking groove (22) is arranged in the clamping seat (2).

5. A large diameter circular cooling rack as claimed in claim 4, characterised in that: The first drive member includes the sliding seat (71) and the drive spring (72), the insertion slot is seted up on the sliding seat (71), the insertion slot is used for the plug-in cooperation with one end of steel pipe (100), the sliding seat (71) is slidably connected with the clamping groove (21) and the sliding direction is the vertical direction, one end of drive spring (72) is connected with the bottom wall of clamping groove (21), the other end of drive spring (72) is connected with the bottom of sliding seat (71), the sliding seat (71) closes the opening of locking groove (22) when sliding, the guiding surface is arranged on the bottom of clamping block (61).

6. A large diameter circular cooling rack as claimed in claim 1, characterized in that: It also comprises a hanger (8) with a lifting hole (81) at the top and a second locking assembly at the bottom for locking the end of the steel pipe (100) away from the clamping seat (2).

7. A large diameter circular cooling rack as claimed in claim 6, characterised in that: The second locking assembly comprises two locking blocks (91) and a second driving member, the bottom of the hanger (8) is provided with a second sliding groove (82), the top of the locking block (91) is slidably connected with the second sliding groove (82) and the sliding direction is the length direction of the hanger (8), the second driving member is used for driving the two locking blocks (91) to move close to or away from each other, and the two locking blocks (91) are used for clamping the other end of the steel pipe (100) away from the clamping seat (2) when moving close to each other.

8. A large diameter circular cooling rack as claimed in claim 7, characterised in that: The second driving member comprises a driving screw (92) and a driving motor (93), the driving screw (92) is arranged along the length direction of the hanger (8), the top of each of the two locking blocks (91) is threadedly sleeved on two opposite threaded segments of the driving screw (92), and the output shaft of the driving motor (93) is axially fixed with the driving screw (92).

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