CN214782033U - Steel pipe inner wall quenching nozzle - Google Patents
Steel pipe inner wall quenching nozzle Download PDFInfo
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- CN214782033U CN214782033U CN202120175680.6U CN202120175680U CN214782033U CN 214782033 U CN214782033 U CN 214782033U CN 202120175680 U CN202120175680 U CN 202120175680U CN 214782033 U CN214782033 U CN 214782033U
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Abstract
The utility model belongs to the technical field of steel pipe heat treatment, especially, relate to a steel pipe inner wall quenching nozzle. The utility model comprises a baffle ring, an eccentric nozzle, a connecting and adjusting mechanism, a small-drift-diameter connecting pipe, a reducing joint and a large-drift-diameter water supply pipe; the baffle ring, the eccentric nozzle, the connecting and adjusting mechanism, the small-drift-diameter connecting pipe, the reducer union and the large-drift-diameter water supply pipe are sequentially and hermetically connected from left to right. The utility model discloses two links from the toper section of reducing joint and nozzle have realized the two-stage reducing from the delivery pipe to the nozzle mouth, and the nozzle is rolled up by aluminum plate and is made the tailor-welding, and weight reduction exceeds two-thirds. In addition, the nozzle is convenient to replace by the mounting mode of the T-shaped groove and the bolt positioning and locking, the nozzle replacement work can be conveniently completed by only one person, and the nozzle replacement time is greatly shortened. The nozzle can be adjusted, connected and adjusted by an adjusting part arranged on the adjusting mechanism to be finely adjusted, and the nozzle is adjusted by an inserted jackscrew from top to bottom, so that the centering is convenient.
Description
Technical Field
The utility model belongs to the technical field of steel pipe heat treatment, especially, relate to a steel pipe inner wall quenching nozzle.
Background
Quenching is a key process in the heat treatment production of the steel pipe, and the quenching needs to be carried out on the inner wall as well as the outer wall sprayed with a quenching medium for rapid cooling. When the inner wall of the steel pipe is quenched, a high-speed quenching medium with pressure needs to be sprayed into the inner wall of the steel pipe in a heating state to rapidly cool the inner wall of the steel pipe. When the steel pipe is quenched, the nozzle for spraying the quenching medium to the inner wall is frequently replaced according to the different inner diameters of the steel pipe. The weight of the nozzle among the prior art is great, needs the overhead traveling crane cooperation manual work just to accomplish when changing the nozzle, and dismouting, change nozzle work are not only hard, take time moreover.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel pipe inner wall quenching nozzle, aiming at providing a nozzle which has simple structure, light weight and convenient disassembly and assembly and is used for quenching the steel pipe inner wall, so that the work of replacing the nozzle is labor-saving and time-saving.
In order to realize the purpose, the utility model discloses a technical scheme is:
a quenching nozzle for the inner wall of a steel pipe comprises a baffle ring, an eccentric nozzle, a nozzle flange, a connecting and adjusting mechanism, a small-drift-diameter connecting pipe, a reducing joint and a large-drift-diameter water supply pipe; the baffle ring, the eccentric nozzle, the nozzle flange, the connecting and adjusting mechanism, the small-drift-diameter connecting pipe, the reducing joint and the large-drift-diameter water supply pipe are sequentially and hermetically connected from front to back.
The connecting and adjusting mechanism comprises a pressure plate, a fixed flange, a fastening piece and an adjusting piece; the two pressure plates are fixedly connected to the opposite sides of the fixed flange through fasteners, a T-shaped groove is formed between the two pressure plates and the fixed flange, and the nozzle flange is connected into the T-shaped groove through the fasteners; the depth of the T-shaped groove is greater than the thickness of the nozzle flange; the adjusting parts are at least arranged in a plurality of numbers, and the adjusting parts are respectively and symmetrically arranged on the outer side wall and the bottom of the fixing flange.
The adjusting part comprises a side adjusting bolt for adjusting the left and right positions of the eccentric nozzle and a lower adjusting bolt for adjusting the up and down positions of the eccentric nozzle; the side adjusting bolt is arranged on the opposite outer side wall of the fixed flange and vertically penetrates through the outer side wall to be in contact with the nozzle flange; and the lower adjusting bolt is arranged at the bottom of the fixed flange and vertically penetrates through the side wall of the bottom to be contacted with the nozzle flange.
The fastener comprises a plurality of locking bolts and a plurality of connecting bolts; the pressure plate and the fixed flange are fastened through a plurality of connecting bolts; the locking bolts are connected to the pressure plate and used for locking the pressure plate and the nozzle flange.
Also includes a sleeve; the sleeve is fixed on the outer edge of the fixed flange and is vertical to the surface for the penetration of the connecting bolt.
The fixing flange consists of a square plate and three rectangular bulges, and the three rectangular bulges are respectively positioned at the edges of three edges of the square fixing flange; the two pressing plates are rectangular, the two pressing plates are respectively connected to the bulges on two opposite sides of the fixed flange, and a T-shaped groove is formed among the bulges, the square plate and the two pressing plates.
And a groove for placing a sealing ring is arranged on the contact surface of the nozzle flange and the fixed flange.
The eccentric nozzle is an aluminum alloy integrated structure consisting of a hollow round table-shaped rear section and a hollow cylindrical front section, and the axial height direction of the eccentric nozzle is an eccentric structure; the center of the front end of the eccentric nozzle is eccentric a with the center of the square flange circular hole.
The outer diameter D of the baffle ring is larger than the inner diameter of the steel pipe to be quenched.
Has the advantages that:
(1) the utility model discloses two links from the toper section of reducing joint and nozzle have realized the two-stage reducing from big latus rectum delivery pipe to the nozzle mouth, and the nozzle is rolled up by aluminum plate and is made the tailor-welding, and weight reduction exceeds two-thirds.
(2) The utility model discloses "T type groove + bolt location locking" this kind of mounting means conveniently changes the nozzle, only needs alone just can accomplish the nozzle change work very conveniently, the nozzle change time that has significantly reduced.
(3) The utility model discloses can finely tune about the nozzle, adopt bayonet jackscrew to adjust from top to bottom, the centering is convenient.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without creative efforts.
Fig. 1 is a top cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a right side view of the present invention.
In the figure: 1-a baffle ring; 2-eccentric nozzle; 3-locking the bolt; 4, pressing a plate; 5-nozzle flange; 6-side adjusting bolt; 7-a sleeve; 8-connecting bolts; 9-small-bore connecting pipe; 10-a sealing ring; 11-a fixed flange; 12-a reducer union; 13-large bore water supply pipe; 14-lower adjusting bolt.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 3, the quenching nozzle for the inner wall of a steel pipe comprises a baffle ring 1, an eccentric nozzle 2, a nozzle flange 5, a connecting and adjusting mechanism, a small-drift-diameter connecting pipe 9, a reducing joint 12 and a large-drift-diameter water supply pipe 13; the baffle ring 1, the eccentric nozzle 2, the nozzle flange 5, the connecting and adjusting mechanism, the small-drift-diameter connecting pipe 9, the reducing joint 12 and the large-drift-diameter water supply pipe 13 are sequentially and hermetically connected from front to back.
The utility model discloses connect and the connection among the adjustment mechanism and adjustment mechanism is used for locking, fixed and to eccentric nozzle 2's fine setting.
In a specific application, the baffle ring 1, the eccentric nozzle 2 and the nozzle flange 5 can be connected into a whole. In the actual use process, when the eccentric nozzle 2 needs to be replaced, the connecting and adjusting mechanism is firstly loosened, the nozzle flange 5 is taken out of the connecting and adjusting mechanism, then the new eccentric nozzle 2 connected with the nozzle flange 5 is inserted into the connecting and adjusting mechanism, the outlet axis of the eccentric nozzle 2 is consistent with the axis of the quenched steel pipe by adjusting the connecting and adjusting mechanism, and finally the connecting and adjusting mechanism is locked.
Adopt the technical scheme of the utility model, the time of changing eccentric nozzle 2 that has significantly reduced to can be convenient finely tune eccentric nozzle 2, the centering is convenient.
Example two:
referring to the quenching nozzle for the inner wall of the steel pipe shown in fig. 1 to 3, on the basis of the first embodiment, the connecting and adjusting mechanism comprises a pressure plate 4, a fixed flange 11, a fastener and an adjusting piece; the two pressure plates 4 are fixedly connected to the opposite sides of the fixed flange 11 through fasteners, a T-shaped groove is formed between the two pressure plates 4 and the fixed flange 11, and the nozzle flange 5 is connected in the T-shaped groove through the fasteners; the depth of the T-shaped groove is greater than the thickness of the nozzle flange 5; the adjusting parts are at least arranged in a plurality of numbers, and the adjusting parts are respectively and symmetrically arranged on the outer side wall and the bottom of the fixing flange 11.
The baffle ring 1, the eccentric nozzle 2 and the nozzle flange 5 are of an integrated structure. When the nozzle needs to be replaced, the connecting and adjusting mechanism is firstly loosened, the nozzle flange 5 is taken out of the T-shaped groove, then the nozzle flange 5 on the new eccentric nozzle 2 is inserted into the T-shaped groove, then the connecting and adjusting mechanism is adjusted, so that the outlet axis of the eccentric nozzle 2 is consistent with the axis of the quenched steel pipe, and finally the connecting and adjusting mechanism is used for conveniently and firmly fixing the nozzle flange 5 in the T-shaped groove.
The difference between the depth of the T-shaped groove and the thickness of the nozzle flange 5 can be 5-10mm, so that the nozzle flange 5 can be conveniently inserted and installed, and the influence of overlarge thickness difference on the stability of the eccentric nozzle 2 can be avoided.
The utility model discloses "T type groove + bolt location locking" this kind of mounting means conveniently changes the nozzle, only needs alone just can accomplish the nozzle change work very conveniently, the nozzle change time that has significantly reduced.
Example three:
referring to fig. 1 to 3, in a second embodiment, the adjusting member includes a side adjusting bolt 6 for adjusting the left and right positions of the eccentric nozzle 2 and a lower adjusting bolt 14 for adjusting the up and down positions of the eccentric nozzle 2; the side adjusting bolts 6 are arranged on the opposite outer side walls of the fixed flange 11 and vertically penetrate through the outer side walls to be in contact with the nozzle flange 5; the lower adjusting bolt 14 is arranged at the bottom of the fixed flange 11 and vertically penetrates through the side wall of the bottom to be in contact with the nozzle flange 5.
In the actual use process, a plurality of side adjusting bolts 6 can be arranged, one or more lower adjusting bolts 14 can be arranged, and the specific number can be determined according to the requirement. A plurality of side adjusting bolts 6 penetrate through two opposite side walls of the fixed flange 11 to adjust the left and right positions of the eccentric nozzle 2. And a lower adjusting bolt 14 penetrates through a threaded hole at the lower part of the fixed flange 11 to prop against the lower part of the nozzle square flange 5, and the vertical position of the eccentric nozzle 2 is adjusted to enable the outlet axis of the nozzle to be consistent with the axis of the steel pipe to be quenched.
The utility model discloses an eccentric nozzle 2 can control the fine setting, adjusts from top to bottom for the centering is convenient. Example four:
referring to the quenching nozzle for the inner wall of the steel pipe shown in fig. 1 to 3, on the basis of the second embodiment, the fastener comprises a plurality of locking bolts 3 and a plurality of connecting bolts 8; the pressure plate 4 and the fixed flange 11 are fastened through a plurality of connecting bolts 8; the locking bolts 3 are connected to the pressure plate 4 and used for locking the pressure plate 4 and the nozzle flange 5.
When the eccentric nozzle 2 is replaced, the locking bolt 3 and the side adjusting bolt 6 are loosened firstly, the eccentric nozzle 2 is taken out from a T-shaped groove formed between the inner side wall of the pressing plate 4 and the fixing flange 11, then the new nozzle flange 5 is placed between the pressing plate 4 and the fixing flange 11, the new eccentric nozzle 2 is inserted into the T-shaped groove, the lower adjusting bolt 14 and the side adjusting bolt 6 are adjusted firstly to enable the outlet axis of the eccentric nozzle 2 to be consistent with the axis of the quenched steel pipe, and finally the nozzle flange 5 is firmly fixed in the T-shaped groove by the locking bolt 3.
The utility model discloses "T type groove + bolt location locking" this kind of mounting means conveniently changes the nozzle, only needs alone just can accomplish the nozzle change work very conveniently, the nozzle change time that has significantly reduced.
Example five:
referring to a quenching nozzle for the inner wall of a steel pipe shown in fig. 1, on the basis of the fourth embodiment: also comprises a sleeve 7; the sleeve 7 is fixed on the outer edge of the fixed flange 11 and is vertical to the surface for the penetration of the connecting bolt 8.
In actual use, the sleeve 7 can effectively prevent the connecting bolt 8 from being subjected to shearing force, and the connecting effect is ensured.
Example six:
referring to a quenching nozzle for the inner wall of a steel pipe shown in fig. 1 and 2, on the basis of the second embodiment or the fifth embodiment: the fixed flange 11 consists of a square plate and three rectangular bulges, and the three rectangular bulges are respectively positioned on the edges of three edges of the square fixed flange 11; two clamp plates 4 are all rectangles, and two clamp plates 4 are connected respectively on the arch of the double-phase opposite side of mounting flange 11, form T type groove between arch, square plate and two clamp plates 4.
When in actual use, the fixing flange 11 adopts the technical scheme, a T-shaped groove can be formed between the pressing plate 4 and the fixing flange 11, the nozzle flange 5 can be conveniently inserted into the T-shaped groove from the side which is not provided with the bulge, the eccentric nozzle 2 can be conveniently replaced, and the safety can be ensured.
In order to ensure that the nozzle flange 5 can be conveniently inserted into and taken out of the T-shaped groove formed between the protrusion, the square plate and the two pressing plates 4, the difference between the height of the protrusion and the thickness of the nozzle flange 5 can be set to be 5-10 mm.
Example seven:
referring to a steel pipe inner wall quenching nozzle shown in fig. 1 to 3, in addition to the second embodiment: and a groove for placing a sealing ring is arranged on the contact surface of the nozzle flange 5 and the fixed flange 11.
When in actual use, the nozzle flange 5 adopts the technical scheme, and the airtightness between the nozzle flange 5 and the fixed flange 11 can be ensured.
Example eight:
referring to a quenching nozzle for the inner wall of a steel pipe shown in FIG. 1, on the basis of the first embodiment: the eccentric nozzle 2 is an aluminum alloy integrated structure consisting of a hollow round table-shaped rear section and a hollow cylindrical front section, and the axial height direction of the eccentric nozzle is an eccentric structure; the cylindrical center of the front end of the eccentric nozzle 2 and the center of the round hole of the square flange 11 have an eccentric a.
In actual use, the eccentric nozzle 2 is an aluminum alloy welding part, the axial height direction of the eccentric nozzle is an eccentric structure, and the center of the front end cylindrical section of the eccentric nozzle 2 and the center of the rear end fixing flange 11 are provided with an eccentric a, so that the axis of the steel pipe is consistent with the axis of the nozzle outlet when the steel pipes with different diameters are quenched.
The utility model discloses two links from reducer union and 2's of eccentric nozzle cavity round platform shape section have realized the two-stage reducing from big latus rectum delivery pipe to nozzle opening, and eccentric nozzle 2 is rolled up by aluminum plate and is made the tailor-welding, and weight reduction exceeds two-thirds.
Example nine:
referring to a quenching nozzle for the inner wall of a steel pipe shown in FIG. 1, on the basis of the first embodiment: the outer diameter D of the baffle ring 1 is larger than the inner diameter of the steel pipe to be quenched.
In practical use, the steel pipe rotating at high speed in quenching may move towards the nozzle, and the baffle ring 1 can effectively prevent the steel pipe from being clamped into the front end of the nozzle.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (9)
1. A steel pipe inner wall quenching nozzle is characterized in that: comprises a baffle ring (1), an eccentric nozzle (2), a nozzle flange (5), a connecting and adjusting mechanism, a small-drift-diameter connecting pipe (9), a reducing joint (12) and a large-drift-diameter water supply pipe (13); the baffle ring (1), the eccentric nozzle (2), the nozzle flange (5), the connecting and adjusting mechanism, the small-drift-diameter connecting pipe (9), the reducing joint (12) and the large-drift-diameter water supply pipe (13) are sequentially and hermetically connected from front to back.
2. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 1, wherein: the connecting and adjusting mechanism comprises a pressure plate (4), a fixed flange (11), a fastening piece and an adjusting piece; the two pressure plates (4) are fixedly connected to the opposite sides of the fixed flange (11) through fasteners, a T-shaped groove is formed between the two pressure plates (4) and the fixed flange (11), and the nozzle flange (5) is connected into the T-shaped groove through fasteners; the depth of the T-shaped groove is greater than the thickness of the nozzle flange (5); the adjusting parts are at least arranged in a plurality of numbers, and the adjusting parts are respectively and symmetrically arranged on the outer side wall and the bottom of the fixing flange (11).
3. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 2, wherein: the adjusting piece comprises a side adjusting bolt (6) for adjusting the left and right positions of the eccentric nozzle (2) and a lower adjusting bolt (14) for adjusting the up and down positions of the eccentric nozzle (2); the side adjusting bolt (6) is arranged on the opposite outer side wall of the fixed flange (11) and vertically penetrates through the outer side wall to be in contact with the nozzle flange (5); and the lower adjusting bolt (14) is arranged at the bottom of the fixed flange (11) and vertically penetrates through the side wall of the bottom to be in contact with the nozzle flange (5).
4. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 2, wherein: the fastener comprises a plurality of locking bolts (3) and a plurality of connecting bolts (8); the pressure plate (4) is fastened with the fixed flange (11) through a plurality of connecting bolts (8); the locking bolts (3) are connected to the pressure plate (4) and used for locking the pressure plate (4) and the nozzle flange (5).
5. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 4, wherein: also comprises a sleeve (7); the sleeve (7) is fixed on the outer edge of the fixed flange (11) and is vertical to the surface for the penetration of the connecting bolt (8).
6. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 2, wherein: the fixed flange (11) consists of a square plate and three rectangular bulges, and the three rectangular bulges are respectively positioned on the edges of three edges of the square fixed flange (11); the two pressing plates (4) are rectangular, the two pressing plates (4) are connected to the protrusions on the two opposite sides of the fixing flange (11) respectively, and T-shaped grooves are formed among the protrusions, the square plates and the two pressing plates (4).
7. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 2, wherein: and a groove for placing a sealing ring is arranged on the contact surface of the nozzle flange (5) and the fixed flange (11).
8. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 1, wherein: the eccentric nozzle (2) is an aluminum alloy integrated structure consisting of a hollow round table-shaped rear section and a hollow cylindrical front section, and the axial height direction of the eccentric nozzle is an eccentric structure; the center of the front end cylindrical shape of the eccentric nozzle (2) and the center of the round hole of the square flange (11) are provided with an eccentric a.
9. The quenching nozzle for the inner wall of a steel pipe as claimed in claim 1, wherein: the outer diameter D of the baffle ring (1) is larger than the inner diameter of the steel pipe to be quenched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120175680.6U CN214782033U (en) | 2021-01-22 | 2021-01-22 | Steel pipe inner wall quenching nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120175680.6U CN214782033U (en) | 2021-01-22 | 2021-01-22 | Steel pipe inner wall quenching nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN214782033U true CN214782033U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120175680.6U Active CN214782033U (en) | 2021-01-22 | 2021-01-22 | Steel pipe inner wall quenching nozzle |
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| Country | Link |
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| CN (1) | CN214782033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877534A (en) * | 2021-01-22 | 2021-06-01 | 中国重型机械研究院股份公司 | Nozzle for quenching inner wall of steel pipe |
-
2021
- 2021-01-22 CN CN202120175680.6U patent/CN214782033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877534A (en) * | 2021-01-22 | 2021-06-01 | 中国重型机械研究院股份公司 | Nozzle for quenching inner wall of steel pipe |
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