CN216881082U

CN216881082U - Descaling nozzle for inner wall of hot-rolled steel pipe

Info

Publication number: CN216881082U
Application number: CN202122552166.2U
Authority: CN
Inventors: 李普
Original assignee: Liaocheng Development Zone Xingqing Steel Pipe Co ltd
Current assignee: Liaocheng Development Zone Xingqing Steel Pipe Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-07-05
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a descaling nozzle for the inner wall of a hot rolled steel pipe, which belongs to the technical field of hot rolled steel pipes and comprises a main pipe, wherein a threaded ring is fixedly arranged at one end of the main pipe, a water spraying pipe is fixedly arranged at the other end of the main pipe, a first limiting block is fixedly arranged at one side of the main pipe, a limiting rod penetrates through a rectangular slot and is fixed through a bolt, a collecting block is connected with the first limiting block, an external water conveying pipe is in threaded connection with the main pipe through the threaded ring, a rotating wheel on the first limiting block is attached to the lower part of the inner wall of the steel pipe, a rotating wheel on the second limiting block is attached to the upper part of the inner wall of the steel pipe, the collecting block moves along the pipe, when the area of the steel pipe is small, the first limiting block and the second limiting block are driven by the rotating wheel to extrude a spring inwards, a moving block can enter a moving groove, and when the first limiting block moves, the collecting block also can move at will, the device is suitable for steel pipes with different areas and collects fallen impurities.

Description

Descaling nozzle for inner wall of hot-rolled steel pipe

Technical Field

The utility model relates to the technical field of hot-rolled steel pipes, in particular to a descaling nozzle for the inner wall of a hot-rolled steel pipe.

Background

Hot rolled steel pipes, in which hot rolling is performed at a temperature below the recrystallization temperature, as compared to cold rolling, which is performed at a temperature above the recrystallization temperature, have advantages in that the cast structure of the steel ingot can be destroyed, the crystal grains of the steel can be refined, and defects of the microstructure can be eliminated, thereby densifying the structure of the steel and improving the mechanical properties. The improvement is mainly achieved in the rolling direction, so that the steel is no longer isotropic to some extent; bubbles, cracks and looseness formed in the casting process can also be welded under the action of high temperature and pressure;

in the hot rolling of the steel pipe, oxides remain on the inner wall of the steel pipe, the surface quality of the inner wall of the steel pipe is influenced, the corrosion of the inner wall of the steel pipe is accelerated in use, the service life of the steel pipe is shortened, the traditional descaling nozzle is very inconvenient to move in a pipeline, scratches are often caused on the surface of the nozzle, and residues which are fallen in autumn cannot be collected, so that the descaling nozzle for the inner wall of the hot rolling steel pipe is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a descaling nozzle for the inner wall of a hot-rolled steel pipe, which solves the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a hot rolling steel pipe inner wall descaling nozzle, includes the trunk line, the fixed screw ring that is equipped with of trunk line one end, the fixed spray pipe that is equipped with of trunk line other end, the fixed first stopper that is equipped with in trunk line one side, the fixed second stopper that is equipped with of trunk line opposite side, first stopper and second stopper tip sliding connection, it is equipped with the collection piece to insert on the first stopper, the collecting vat has been seted up on the collection piece, be equipped with booster mechanism in the spray pipe.

Preferably, booster mechanism includes first flowing groove and second flowing groove, the second flowing groove is located the spray pipe, first flowing groove is located the trunk line, set up the discharge orifice in the spray pipe, cross the fixed injection head that is equipped with of discharge orifice one end, first flowing groove, second flowing groove and discharge orifice all communicate.

Preferably, trunk line outer wall, first stopper inner wall and second stopper inner wall are all fixed and are equipped with the connecting block, the fixed spring that is equipped with on the connecting block, the swivelling chute has all been seted up on first stopper and the second stopper, the swivelling chute internal rotation is equipped with the runner, the swivelling chute is located first stopper and second stopper middle part position.

Preferably, moving blocks are fixedly arranged at two ends of the first limiting block, moving grooves are formed at two ends of the second limiting block, and the moving blocks are connected with the moving grooves in a sliding mode.

Preferably, the two ends of the collecting block are fixedly provided with limiting rods, the end part threads of the limiting rods are provided with bolts, the two ends of the first limiting blocks are provided with rectangular slots, the rectangular slots penetrate through the first limiting blocks, and the limiting rods are attached to the inner walls of the rectangular slots.

Preferably, the first flow slot area is larger than the second flow slot area, which is larger than the flowbore.

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

1. the limiting rod penetrates through the rectangular slot and is fixed through a bolt, so that the collecting block is connected with the first limiting block, then an external water feeding pipeline is in threaded connection with the main pipeline through a threaded ring, a rotating wheel on the first limiting block is attached to the lower part of the inner wall of the steel pipe, a rotating wheel on the second limiting block is attached to the upper part of the inner wall of the steel pipe, so that the collecting block moves along the pipeline, when the area of the steel pipe is small, the first limiting block and the second limiting block are driven by the rotating wheel to inwards extrude the spring, the moving block can enter the moving groove, when the first limiting block moves, the collecting block can also move at will, the collecting block adapts to the steel pipes with different areas, and collects fallen impurities;

2. water flow firstly enters the first flow groove, then enters the second flow groove and then enters the overflowing hole, pressurization is achieved due to the fact that the three areas are from large to small, and water is sprayed out through the spraying head, so that cleaning is cleaner.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the pressurization mechanism of the present invention;

FIG. 3 is a schematic diagram of an explosive structure according to the present invention;

in the figure: 1. a main pipeline; 11. a threaded ring; 12. a water spray pipe; 13. a first stopper; 14. a second limiting block; 15. collecting blocks; 16. collecting tank; 2. a pressurization mechanism; 21. a first flow slot; 22. a second flow slot; 23. an overflowing hole; 24. an injector head; 3. connecting blocks; 31. a spring; 32. a rotating tank; 33. a rotating wheel; 4. a moving block; 41. a moving groove; 5. a limiting rod; 51. a bolt; 52. a rectangular slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): as shown in figures 1-3, the utility model provides a descaling nozzle for the inner wall of a hot rolled steel pipe, which comprises a main pipe 1, wherein one end of the main pipe 1 is fixedly provided with a threaded ring 11, the other end of the main pipe 1 is fixedly provided with a water spraying pipe 12, one side of the main pipe 1 is fixedly provided with a first limiting block 13, the other side of the main pipe 1 is fixedly provided with a second limiting block 14, the first limiting block 13 is connected with the end part of the second limiting block 14 in a sliding manner, a collecting block 15 is inserted on the first limiting block 13, a collecting tank 16 is arranged on the collecting block 15, a supercharging mechanism 2 is arranged in the water spraying pipe 12, the area of the threaded ring 11 is smaller than that of the main pipe 1, so that the connected pipe is equal to the outer wall of the main pipe 1, one end of the water spraying pipe 12 is attached to the inner wall of the main pipe 1, the other end of the main pipe is equal to the outer side of the main pipe 1, a spray head 24 is arranged in the middle position, the height of the spray head 24 is equal to the outer wall of the main pipe 1, protection injector head 24 can not cause the damage in the steel pipe removes, first stopper 13 and second stopper 14 semicircular in shape, be located the trunk line 1 outside, the outer wall and the runner 33 of collecting block 15 parallel, collecting vat 16 is used for collecting the residue that the steel pipe inner wall was washed down, carry out threaded connection with outside water supply pipeline and trunk line 1 through threaded ring 11, laminate runner 33 and steel pipe inner wall below on the first stopper 13, runner 33 and the laminating of steel pipe inner wall top on the second stopper 14, make it remove along the pipeline, rivers are spout in from injector head 24 through booster mechanism 2, the impurity on the effectual clearance inner wall.

The supercharging mechanism 2 comprises a first flowing groove 21 and a second flowing groove 22, the second flowing groove 22 is located in the water spraying pipeline 12, the first flowing groove 21 is located in the main pipeline 1, the overflowing hole 23 is formed in the water spraying pipeline 12, the spraying head 24 is fixedly arranged at one end of the overflowing hole 23, the first flowing groove 21, the second flowing groove 22 and the overflowing hole 23 are communicated, the area of the first flowing groove 21 is larger than that of the second flowing groove 22, the area of the second flowing groove 22 is larger than that of the overflowing hole 23, water flows into the first flowing groove 21 firstly and then enters the second flowing groove 22, and then enters the overflowing hole 23.

The outer wall of main pipe 1, first stopper 13 inner wall and second stopper 14 inner wall all fix and are equipped with connecting block 3, the fixed spring 31 that is equipped with on connecting block 3, swivelling chute 32 has all been seted up on first stopper 13 and the second stopper 14, the internal rotation of swivelling chute 32 is equipped with runner 33, swivelling chute 32 is located first stopper 13 and second stopper 14 middle part position, first stopper 13 both ends are fixed and are equipped with movable block 4, shifting chute 41 has been seted up at second stopper 14 both ends, movable block 4 and shifting chute 41 sliding connection, spring 31 is equipped with two pairs and is located first stopper 13 and second stopper 14 runner 33 both sides respectively, when the steel pipe area is less, drive first stopper 13 and second stopper 14 inside extrusion spring 31 through runner 33, and movable block 4 can get into inside shifting chute 41, adapt to the steel pipe of different areas.

Collect 15 fixed gag lever post 5 that is equipped with in both ends of piece, 5 tip screw threads of gag lever post are equipped with bolt 51, rectangle slot 52 has been seted up at first stopper 13 both ends, rectangle slot 52 runs through first stopper 13, gag lever post 5 laminates mutually with rectangle slot 52 inner wall, collect piece 15 and be half circular shape, the outside laminates mutually with the steel pipe inner wall, run through rectangle slot 52 with gag lever post 5, rethread bolt 51 is fixed, it is connected with first stopper 13 to make collect piece 15, collect the impurity of hitting down, when first stopper 13 removes, collect piece 15 also can remove at will, adapt to different area steel pipes.

The working principle is as follows: firstly, the limiting rod 5 penetrates through the rectangular slot 52 and is fixed through the bolt 51, so that the collecting block 15 is connected with the first limiting block 13, then the external water supply pipeline is connected with the main pipeline 1 through a thread ring 11, the rotating wheel 33 on the first limiting block 13 is attached to the lower part of the inner wall of the steel pipe, the rotating wheel 33 on the second limiting block 14 is attached to the upper part of the inner wall of the steel pipe, so that the rotating wheel moves along the pipeline, when the area of the steel pipe is small, the rotating wheel 33 drives the first limiting block 13 and the second limiting block 14 to extrude the spring 31 inwards, the moving block 4 can enter the moving groove 41, when the first limiting block 13 moves, the collecting block 15 can also move randomly to adapt to steel pipes with different areas, and finally water flow enters the first flowing groove 21, then enters the second flowing groove 22 and then enters the overflowing hole 23.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a hot rolling steel pipe inner wall descaling nozzle, includes trunk line (1), its characterized in that: trunk line (1) one end is fixed and is equipped with threaded ring (11), trunk line (1) other end is fixed and is equipped with spray pipe way (12), trunk line (1) one side is fixed and is equipped with first stopper (13), trunk line (1) opposite side is fixed and is equipped with second stopper (14), first stopper (13) and second stopper (14) tip sliding connection, it is equipped with collection piece (15) to insert on first stopper (13), collection groove (16) have been seted up on collection piece (15), be equipped with booster mechanism (2) in spray pipe way (12).

2. The descaling spray nozzle for the inner wall of a hot rolled steel pipe according to claim 1, wherein the pressurization mechanism (2) comprises a first flow groove (21) and a second flow groove (22), the second flow groove (22) is positioned in a water spraying pipeline (12), the first flow groove (21) is positioned in a main pipeline (1), an overflowing hole (23) is formed in the water spraying pipeline (12), a spray head (24) is fixedly arranged at one end of the overflowing hole (23), and the first flow groove (21), the second flow groove (22) and the overflowing hole (23) are communicated.

3. The descaling nozzle for the inner wall of a hot rolled steel pipe according to claim 1, wherein connecting blocks (3) are fixedly arranged on the outer wall of the main pipe (1), the inner wall of the first limiting block (13) and the inner wall of the second limiting block (14), springs (31) are fixedly arranged on the connecting blocks (3), rotating grooves (32) are formed in the first limiting block (13) and the second limiting block (14), rotating wheels (33) are rotatably arranged in the rotating grooves (32), and the rotating grooves (32) are located in the middle positions of the first limiting block (13) and the second limiting block (14).

4. The descaling spray nozzle for the inner wall of a hot rolled steel pipe according to claim 1, wherein moving blocks (4) are fixedly arranged at two ends of the first limiting block (13), moving grooves (41) are formed at two ends of the second limiting block (14), and the moving blocks (4) are slidably connected with the moving grooves (41).

5. The descaling spray nozzle for the inner wall of a hot rolled steel pipe according to claim 1, wherein limiting rods (5) are fixedly arranged at two ends of the collecting block (15), bolts (51) are arranged at end portions of the limiting rods (5) in a threaded manner, rectangular slots (52) are formed at two ends of the first limiting block (13), the rectangular slots (52) penetrate through the first limiting block (13), and the limiting rods (5) are attached to the inner walls of the rectangular slots (52).

6. The descaling nozzle for the inner wall of a hot-rolled steel pipe according to claim 2, wherein the first flow grooves (21) have a larger area than the second flow grooves (22), and the second flow grooves (22) have a larger area than the overflowing holes (23).