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CN117404419A - High-performance welded pipe - Google Patents

High-performance welded pipe Download PDF

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Publication number
CN117404419A
CN117404419A CN202310718110.0A CN202310718110A CN117404419A CN 117404419 A CN117404419 A CN 117404419A CN 202310718110 A CN202310718110 A CN 202310718110A CN 117404419 A CN117404419 A CN 117404419A
Authority
CN
China
Prior art keywords
pipe
buffer
hole
welded
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310718110.0A
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Chinese (zh)
Other versions
CN117404419B (en
Inventor
吴化清
王兵兵
杨晓文
王伯海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhongxing Nickel Alloy Material Co ltd
Original Assignee
Jiangsu Zhongxing Nickel Alloy Material Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhongxing Nickel Alloy Material Co ltd filed Critical Jiangsu Zhongxing Nickel Alloy Material Co ltd
Priority to CN202310718110.0A priority Critical patent/CN117404419B/en
Publication of CN117404419A publication Critical patent/CN117404419A/en
Application granted granted Critical
Publication of CN117404419B publication Critical patent/CN117404419B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3278Details for lubrication

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention provides a high-performance welded pipe, which comprises a bottom pipe, wherein a liner pipe is filled in an inner cavity of the bottom pipe, a sealing plate which is correspondingly welded at the top of a pier seat and is used for closing the bottom end of the liner pipe is welded at the bottom end of the liner pipe, the top end of a sleeve extends to be close to the top end of the liner pipe, a gap is formed between the sleeve and a bulge part of the liner pipe, a spring is filled in the gap, the buffer pipe and the bottom pipe are ensured to be in a lubricating state and a rust-proof state for a long time, the matching relation between the buffer pipe and the bottom pipe is utilized, the buffer vibration damping action is utilized, the labor is saved, the maintenance is convenient, an oil injection pipe or an oil injection cup is arranged at the relevant position of the liner pipe in actual assembly, and an equipment operator only needs to periodically supplement oil into the liner pipe through the oil injection pipe or the oil injection cup, so that the vibration damping pipe assembly formed by the two welded pipes and other mechanisms has the structural characteristics of high-performance maintenance when the vibration damping pipe assembly is applied to equipment vibration damping.

Description

High-performance welded pipe
Technical Field
The invention relates to the technical field of welded pipes, in particular to a high-performance welded pipe.
Background
The welded steel pipe is also called welded pipe, and is made by welding steel plate or strip steel after curling and forming. The welded steel pipe has simple production process and higher production efficiency, so that the welded steel pipe is applied to various occasions, the welded steel pipe is applied to a buffer seat or a damping cylinder, the welded steel pipe and the damping cylinder are sleeved by an outer pipe and an inner pipe, a damping spring is arranged in the outer pipe, one end of the damping spring is contacted with the bottom end of the outer pipe, the other end of the damping spring is abutted against the bottom end of the inner pipe, and when the welded steel pipe is applied to vibration in a scene, the inner pipe stretches and contracts in the outer pipe and is elastically supported by the damping spring when compressed, so that a load achieves the purpose of damping.
However, due to lack of mechanisms such as rust removal and lubrication between the inner tube and the outer tube, when the inner tube performs vibration damping action along the outer tube, clamping stagnation occurs between the inner tube and the outer tube due to rust, so that the buffer performance of the vibration damping cylinder is invalid, and the lubricating mode of manually smearing engine oil is not only wasteful of labor force, but also the lubrication maintenance work is not easy to perform when the applied scene is at a position which is not manually controlled.
Disclosure of Invention
The invention aims to solve the technical problems that the inner pipe and the outer pipe can be rapidly lubricated and maintained by utilizing vibration reduction and buffer actions between the inner pipe and the outer pipe, and the maintenance process is free from manual operation and convenient to carry out.
According to the technical scheme, the high-performance welded pipe comprises a bottom pipe, a pier seat is welded at the bottom end of the bottom pipe, a liner pipe is filled in an inner cavity of the bottom pipe, a pressing seat which is correspondingly arranged at the top of the pier seat and is used for enabling the bottom end of the liner pipe to be closed is welded at the bottom end of the liner pipe, the periphery of the top end of the liner pipe is raised upwards and is closed, a sleeve is formed in the middle of the liner pipe, the bottom end of the sleeve extends to the position of one half of the liner pipe, the top end of the sleeve extends to the position close to the top end of the liner pipe, a gap is formed between the top end of the sleeve and the raised part of the liner pipe, a spring is filled in the gap, a pressing plate is slidably matched in the liner pipe, the pressing rod penetrates upwards through the sleeve and is arranged at the top end of the pressing seat, the spring is sleeved on the periphery of the pressing rod and extends to the bottom surface of the pressing seat in an elastic manner, a plurality of spray pipes are filled in the pressing seat, the spray pipes vertically downwards extend to the top end of the pressing plate, the spray pipes penetrate into the pressing seat along the top end of the liner pipe, a plurality of the spray pipes are in contact with the bottom end of the buffer pipe, and the buffer pipe is in contact with the bottom end of the buffer pipe, and the buffer pipe is in contact with the bottom seat, and the buffer pipe is in contact with the bottom wall.
As one embodiment, the top end of the buffer tube is provided with a flange.
As one embodiment, the contact surface is a chamfer surface gradually shrinking upwards along the bottom end of the buffer tube, and the top end of the pressing seat is provided with a rounded corner surface which can be matched with the contact surface, so that the top end of the pressing seat is a spherical surface protruding upwards.
As an implementation mode, the immersion hole structure comprises a first through hole formed along the inner wall of the buffer tube to the outer wall surface of the buffer tube and a second through hole formed along the inner wall of the buffer tube to the outer wall surface of the buffer tube, wherein the first through hole is close to the bottom end of the buffer tube and is perpendicular to the radial direction of the buffer tube, the second through hole corresponds to the upper part of the first through hole, one end of the second through hole is inclined downwards and penetrates into the first through hole, the other end of the second through hole is inclined upwards and penetrates through the cavity wall of the buffer tube, and when the buffer tube descends to the bottom end of the buffer tube and the contact surface is abutted against the triangular surface of the pressing seat, the first through hole is located below the top end of the spray tube, and meanwhile the second through hole is located above the top end of the spray tube.
As one embodiment, a baffle is fixed in the buffer tube, and the baffle is a spherical cover protruding upwards.
As one embodiment, the spray pipe is formed by a plurality of positions, the spray pipe is annularly arranged on the pressing seat and surrounds the periphery of the sleeve, the top end of the spray pipe extends to the top end of the pressing seat and is tangential to the spherical surface of the pressing seat, and the pipe orifice at the top end of the spray pipe is inclined towards one end of the inner cavity wall of the buffer pipe corresponding to the second through hole along the spherical surface of the pressing seat.
As an implementation mode, the outer wall of the buffer tube is provided with a plurality of vertical grooves, the vertical grooves are distributed along the annular array of the outer wall of the buffer tube, one end of each vertical groove extends to be communicated with the top end of the second through hole, a side hole is formed between the vertical groove and the top end of the second through hole, and the other end of each vertical groove extends to be communicated with the first through hole.
As an implementation mode, be equipped with the floor in the buffer tube, the floor is a plurality of departments, and a plurality of departments welding each other between the floor, and fill welding in the buffer tube, the top of floor extend to weld in the ring flange, the plating end of floor extend to weld in on the top surface of fender cover.
Compared with the prior art, the invention has the advantages that when the two welding pipes are applied in the vibration reduction cylinder, the buffer pipe can be enabled to be in buffer action along the outer bottom pipe by arranging the immersion hole structure between the two pipes and arranging engine oil in the bottom pipe by utilizing the vibration reduction action, and engine oil is sprayed onto the immersion hole structure between the two pipes through the spray pipe, so that the engine oil can be immersed between the inner wall of the bottom pipe and the outer wall of the buffer pipe after being poured into the immersion hole structure.
Drawings
FIG. 1 is a first schematic structural view of a high performance welded pipe according to an embodiment of the present invention;
FIG. 2 is a schematic view of a high performance welded pipe according to an embodiment of the present invention;
FIG. 3 is a schematic view of a section A of the high performance welded pipe according to the embodiment of the present invention;
FIG. 4 is a schematic view of a high performance welded pipe provided by an embodiment of the present invention with a liner tube or other mechanism removed and cut away;
FIG. 5 is a schematic illustration of the internal structure of a high performance welded tube provided in accordance with an embodiment of the present invention with the buffer tube broken away;
FIG. 6 is a schematic illustration of the back structure of a high performance welded tube with a buffer tube cut away according to an embodiment of the present invention.
In the figure: 1. a bottom tube; 2. pier seat; 3. a sealing plate; 4. a liner tube; 5. a sleeve; 6. a gap; 7. a spring; 8. a pressing plate; 9. a compression bar; 10. pressing a base; 11. a spray pipe; 13. a buffer tube; 14. a leaching hole structure; 15. an engine oil; 16. a contact surface; 17. round angle surface; 18. a first through hole; 19. a second through hole; 20. a shield; 21. a flange plate; 22. a vertical groove; 23. a side hole; 24. rib plates.
Detailed Description
The foregoing and other embodiments and advantages of the invention will be apparent from the following, more complete, description of the invention, taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention.
In one embodiment, as shown in fig. 1-6.
The embodiment provides a high performance welded tube, it package bottom tube 1, the bottom welding of bottom tube 1 has pier seat 2 or connecting seat, lug etc. is filled with liner tube 4 in the inner chamber of bottom tube 1, the bottom welding of liner tube 4 has corresponding being in pier seat 2 top is used for making the closed shrouding 3 of liner tube 4 bottom, the top periphery of liner tube 4 upwards rises and is closed, make liner tube 4's middle part shaping have sleeve 5, sleeve 5's bottom extends to liner tube 4's half department, sleeve 5's top extends to the top that is close to liner tube 4, and form clearance 6 with liner tube 4's the bulge between, the clearance 6 intussuseption is filled with spring 7, liner tube 4 sliding fit has clamp plate 8, the top of clamp plate 8 is connected with depression bar 9, depression bar 9 upwards runs through sleeve 5 and installs sliding fit in the pressure seat 10 in bottom tube 1 at its top, spring 7 cover is established at depression bar 9 periphery and top is extended to elasticity and is contradicted on the bottom surface of pressure seat 10, the pressure seat 10 intussuseption is filled with a plurality of spouts 11, spout 11 is perpendicular and is down and is followed 4's top end to extend to top clamp plate 8, top 4's top to the clamp plate 8 is run through to top end 8, top end 11 is equipped with 13 and is equipped with the buffer tube 13 at the bottom 13 in the buffer tube 13 and is corresponding to the bottom tube 13 in the bottom 13 contact pad 13, the top 13 is equipped with the buffer tube 13 in the buffer tube 13, and is contacted with top tube 13 in the buffer tube 13 and is contacted with top tube 13 in the bottom 13 and bottom tube 13 and is contacted with top 13 inside buffer tube 13 and bottom 13 is contacted with inside buffer tube 13.
In this embodiment, when the load device is connected to the buffer tube 13 through the flange 21, if the device vibrates, vibration force acts on the buffer tube 13, then the buffer tube 13 descends along the tube cavity of the bottom tube 1, when the contact surface 16 at the bottom end of the buffer tube descends to be in contact with the rounded corner surface 17 at the top end of the pressing seat 10, the pressing seat 10 is pushed to descend along the tube cavity of the bottom tube 1, and simultaneously descends, the pressing rod 9 is driven to descend, meanwhile, the spring 7 compresses and shortens along the gap 6 and forms vibration damping buffer for the pressing seat 10, the vibration damping buffer is reacted to the buffer tube 13, the buffer force is transmitted to the load device through the buffer tube 13, so that the load device completes the vibration damping, and the pressing rod 9 descends along the sleeve 5 due to the descending of the pressing seat 10 while the vibration damping buffer is finished, simultaneously pushing the pressing plate 8 to descend along the tube cavity of the liner tube 4, enabling the volume between the pressing plate 8 and the liner tube 4 to be quickly reduced, forming hydraulic pressure in the volume cavity while being quickly reduced, enabling the volume cavity to be quickly reduced along with the quick descending of the pressing plate 8, and enabling engine oil 15 in the volume to be quickly sprayed upwards through the spray tube 11, wherein the bottom end of the buffer tube 13 is abutted against the pressing seat 10 at the moment, namely, the immersion hole structure 14 at the bottom end of the buffer tube 13 is just close to the upper side of the spray tube 11 at the moment, so that the engine oil 15 is sprayed out from the top end of the spray tube 11 and is instantly poured into the immersion hole structure 14, and because the immersion hole structure 14 is arranged between the bottom end of the buffer tube 13 and the cavity wall of the bottom tube 1 and tangential to the outer wall of the bottom tube 1, the engine oil 15 is immersed between the inner wall of the bottom tube 1 and the outer wall of the buffer tube 13 after being poured into the immersion hole structure 14, the buffer tube 13 is lifted up and forced to ascend again through the buffer tube 13 by the pressure seat 10 while the elastic force is released and lengthened after the buffer tube 13 descends along the tube cavity of the bottom tube 1 during buffer vibration reduction, the buffer tube 13 is smeared between the two tubes by the engine oil 15 in the immersion hole structure 14 when ascending or descending along the bottom tube 1 by the buffer vibration reduction action, and the buffer tube 13 can be restored to the reciprocating lifting action along the bottom tube 1 during each further buffer action, so that oil injection and oiling work can be repeated, the long-time lubrication and rust prevention state between the buffer tube 13 and the bottom tube 1 are ensured, the buffer tube 13 and the bottom tube 1 are utilized, the buffer vibration reduction action is realized, the maintenance is convenient while labor force is saved, an equipment operator only needs to periodically supplement the engine oil into the liner tube 4 through the engine oil injection tube or the engine oil injection cup when the liner tube 4 is actually assembled, and the equipment operator has the high maintenance performance of the cylinder assembly consisting of the two buffer tubes (13) and the bottom tube 1 is applied to vibration reduction equipment.
In one embodiment, as shown in fig. 2 and 5, the immersion hole structure 14 includes a first through hole 18 formed along the inner wall of the buffer tube 13 to the outer wall of the buffer tube 13 and a second through hole 19 formed along the inner wall of the buffer tube 13 to the outer wall of the buffer tube 13, the first through hole 18 is close to the bottom end of the buffer tube 13 and is perpendicular to the radial direction of the buffer tube 13, the second through hole 19 is correspondingly above the first through hole 18, one end of the second through hole 19 is inclined downward and penetrates into the first through hole 18, the other end of the second through hole 19 is inclined upward and penetrates into the cavity wall of the buffer tube 13, and when the contact surface 16 of the bottom end of the buffer tube 13 is lowered to abut against the rounded corner surface 17 of the pressing seat 10, the first through hole 18 is located below the top end of the nozzle 11, and the second through hole 19 is located above the top end of the nozzle 11.
In this embodiment, the top end of the second through hole 19 is communicated with the inner cavity wall of the buffer tube 13, the bottom end of the second through hole 19 is inclined from the top end of the second through hole 19 along the tube wall direction of the buffer tube 13 and then is communicated with the first through hole 18 at the bottom end, so that the immersed hole structure 14 is equivalent to a circle of oil passages arranged on the buffer tube 13 and communicated with the first through hole 18 at the bottom end, the first through hole 18 is communicated with the liner tube 4 through the tube wall of the buffer tube 13 in the radial direction, therefore, when the buffer tube 13 is lowered to the contact surface 16 at the bottom end of the buffer tube by vibration of a load device and is abutted against the rounded corner surface 17 on the pressure seat 10, the pressure seat 10 is pushed down, the pressure seat 9 is pushed down rapidly by the pressure plate 8, and the volume between the pressure plate 8 and the liner tube 4 is rapidly reduced at the moment of the descent, so that the engine oil 15 in the volume is rapidly ejected upwards through the spray tube 11, and the first through hole 19 and the bottom end 18 just correspond to the top end of the spray tube 11, and the top end of the spray tube 11 is adjacent to the top end of the buffer tube 13, so that the engine oil 15 is prevented from being ejected from the second through hole 19 and the first through hole 19 and the second through hole 18 and the buffer tube 1 and the inner wall 1 and the buffer tube 1 are prevented from being communicated with the inner wall 1 and the bottom end of the buffer tube 1 (the end is prevented from being contacted with the first through hole 19 and the second through hole and the bottom through hole 18). As can be seen from the figure, the second through hole 19 and the first through hole 18 are arranged up and down, and the buffer tube 13 is communicated with the bottom tube 1 after being communicated with each other through the inclined holes, so that the oil immersion area is increased, and the oil immersion efficiency is increased.
In one embodiment, as shown in fig. 2, a baffle 20 is fixed in the buffer tube 13, after the engine oil 15 is sprayed out from the top end of the spray pipe 11, the baffle 20 can prevent a part of engine oil from entering the buffer tube 13, and the engine oil continues to be sprayed far along the tube cavity of the buffer tube 13, and after being blocked by the baffle 20, the engine oil 15 is quickly returned and then is recycled into the volume between the pressure plate 8 and the liner tube 4 along the spray pipe 11.
In one embodiment, as shown in fig. 4 and 6, the nozzle 11 is a plurality of positions, the nozzles 11 are annularly arranged on the pressure seat 10 to form a plurality of oil injection channels, the top end of the nozzle 11 extends to the top end of the pressure seat 10 and is tangential to the spherical surface of the pressure seat 10, and the nozzle of the top end of the nozzle 11 is inclined towards one end of the inner cavity wall of the buffer tube 13 corresponding to the second through hole 19 along the spherical surface of the pressure seat 10; the outer wall of the buffer tube 13 is provided with a plurality of vertical grooves 22, the vertical grooves 22 are distributed along the annular array of the outer wall of the buffer tube 13, a side hole 23 is opened between one end of each vertical groove 22 and the top end of the second through hole 19, and the other end of each vertical groove 22 is communicated with the first through hole 18.
In this embodiment, since the nozzles 11 are also disposed in several places and distributed on the pressing seat 10 in an annular array, when the buffer tube 13 is used to perform the oil injection maintenance between them by buffering the inside of the bottom tube 1, it is ensured that the engine oil 15 can be injected into each of the second through holes 19 simultaneously in the process of injecting the engine oil 15 upward from all the nozzles 11, and therefore, the top end of the pressing seat 10 is designed to have a spherical shape, so that the buffer tube 13 can collide with the spherical surface of the pressing seat 10 through the contact surface 16 when descending, the top end of the nozzle 11 is ensured to be accommodated in the bottom end of the tube cavity of the buffer tube 13, and the spherical shape of the pressing seat 10 limits the top end of the buffer tube 13 to be in correspondence with the second through hole 19 which is inclined and has a large size, so that the engine oil 15 can be injected toward the second through hole 19 after being injected from the top end of the nozzle 11, then flows into the first through hole 18 along the second through hole 19, and penetrates into the vertical groove 22 through the side hole 23, and the engine oil 15 can be smoothly immersed in the path between the bottom tube 1 and the sliding surface of the buffer tube 13, so that the maintenance performance is high in efficiency and maintenance performance can be achieved.
In one embodiment, as shown in FIG. 3, rib 24 is provided in buffer tube 13 to enhance its strength properties, rib 24 is formed in a plurality of locations, rib 24 is welded to each other and is welded in buffer tube 13 in a filling manner, the tips of rib 24 extend to be welded to flange 21, and the plated ends of rib 24 extend to be welded to the top surface of shield 20. The provision of rib 24 provides for increased lumen strength of buffer tube 13.
The above-described embodiments are provided to further explain the objects, technical solutions, and advantageous effects of the present invention in detail. It should be understood that the foregoing is only illustrative of the present invention and is not intended to limit the scope of the present invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.

Claims (9)

1. The high-performance welded pipe is characterized by comprising a bottom pipe (1), a pier seat (2) is welded at the bottom end of the bottom pipe (1), a liner pipe (4) is filled in an inner cavity of the bottom pipe (1), a sealing plate (3) which is correspondingly arranged at the top of the pier seat (2) and is used for enabling the bottom end of the liner pipe (4) to be closed is welded at the bottom end of the liner pipe (4), a sleeve (5) is formed at the periphery of the top end of the liner pipe (4) in an upward bulging and closing mode, the bottom end of the sleeve (5) extends to the position of one half of the liner pipe (4), a gap (6) is formed between the top end of the sleeve (5) and the bulged part of the liner pipe (4), a spring (7) is filled in the gap (6), a pressing plate (8) is matched with the top end of the liner pipe (4), a pressing rod (9) is connected with the pressing rod (9) in an upward penetrating mode through the sleeve (5) and is arranged at the bottom end of the sleeve (4) in a sliding mode, the sliding mode is arranged in the sleeve (10) in the liner pipe (4), the pressing rod (10) is pressed on the periphery of the liner pipe (10), the elastic sleeve (10) is pressed and is fixedly pressed on the periphery of the liner pipe (10), the utility model discloses a lining pipe, including lining pipe (4) and lining pipe, nozzle (11) are perpendicular down and run through to in lining pipe (4) along the top of lining pipe (4), clamp plate (8) are connected in a plurality of the bottom of nozzle (11), sliding fit has corresponding in bottom pipe (1) buffer tube (13) at pressure seat (10) top, the bottom contact of buffer tube (13) is in the top of pressure seat (10), the immersion pore structure (14) that communicates with each other with its outer wall and is tangent with the chamber wall of bottom pipe (1) are seted up to the bottom of buffer tube (13), the intussuseption of lining pipe (4) is filled with corresponding oil (15) of clamp plate (8) bottom.
2. The high-performance welded pipe according to claim 1, wherein the bottom end of the buffer pipe (13) is provided with a contact surface (16) which is abutted against the top of the pressing seat (10) and can enable engine oil (15) to enter the spray pipe (11) and be sprayed into the immersion hole structure (14) along the spray pipe (11) when the pressing seat (10) is pressed to descend.
3. A high performance welded pipe according to claim 2, characterized in that the top end of the buffer pipe (13) is provided with a flange (21).
4. A high performance welded pipe according to claim 3, characterized in that the contact surface (16) is a chamfer surface tapering upwards along the bottom end of the buffer pipe (13), the top end of the press seat (10) being provided with a rounded surface (17) which can coincide with the contact surface (16) such that the top end of the press seat (10) is an upwardly convex spherical surface.
5. The high-performance welded pipe according to claim 4, wherein the immersion hole structure (14) comprises a first through hole (18) opened to the outer wall surface of the buffer pipe (13) along the inner wall of the buffer pipe (13) and a second through hole (19) opened to the outer wall surface of the buffer pipe (13) along the inner wall of the buffer pipe (13), the first through hole (18) is close to the bottom end of the buffer pipe (13) and is perpendicular to the radial direction of the buffer pipe (13), the second through hole (19) is correspondingly above the first through hole (18), one end of the second through hole (19) is inclined downwards and penetrates into the first through hole (18), the other end of the second through hole (19) is inclined upwards and penetrates into the cavity wall of the buffer pipe (13), and the contact surface (16) of the buffer pipe (13) lowered to the bottom end thereof is abutted against the rounded corner surface (17) of the pressure seat (10) so that the first through hole (18) is located above the top end of the nozzle pipe (11) at the same time.
6. The high performance welded pipe according to claim 5, characterized in that a shield (20) is fixed inside the buffer pipe (13), the shield (20) being an upwardly convex spherical shield.
7. The high-performance welded pipe according to claim 5, wherein the nozzle (11) is arranged in a plurality of places, the nozzle (11) is arranged on the pressing seat (10) in a ring shape and surrounds the periphery of the sleeve (5), the top end of the nozzle (11) extends to the top end of the pressing seat (10) and is tangential to the spherical surface of the pressing seat (10), and the nozzle at the top end of the nozzle (11) is inclined towards one end of the inner cavity wall of the buffer pipe (13) corresponding to the second through hole (19) along the spherical surface of the pressing seat (10).
8. The high-performance welded pipe according to claim 5, wherein vertical grooves (22) are formed in the outer wall of the buffer pipe (13), the vertical grooves (22) are distributed in a plurality of positions and are distributed along the annular array of the outer wall of the buffer pipe (13), side holes (23) are formed between one end of each vertical groove (22) and the top end of each second through hole (19), and the other end of each vertical groove (22) is communicated with the first through hole (18).
9. The welded tube of claim 5, wherein rib plates (24) are disposed in the buffer tube (13), the rib plates (24) are welded to each other and are filled in the buffer tube (13), the top ends of the rib plates (24) extend to be welded to the flange plate (21), and the plated ends of the rib plates (24) extend to be welded to the top surface of the shield (20).
CN202310718110.0A 2023-06-16 2023-06-16 High-performance welded pipe Active CN117404419B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310718110.0A CN117404419B (en) 2023-06-16 2023-06-16 High-performance welded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310718110.0A CN117404419B (en) 2023-06-16 2023-06-16 High-performance welded pipe

Publications (2)

Publication Number Publication Date
CN117404419A true CN117404419A (en) 2024-01-16
CN117404419B CN117404419B (en) 2024-09-17

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Application Number Title Priority Date Filing Date
CN202310718110.0A Active CN117404419B (en) 2023-06-16 2023-06-16 High-performance welded pipe

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106715949A (en) * 2014-06-16 2017-05-24 斯威尔Ivf股份有限公司 An impact machine
CN210483997U (en) * 2019-11-26 2020-05-08 海南凯美特气体有限公司 Oil supply, lubrication and cooling device for high-level oil tank of reciprocating compressor
CN115560020A (en) * 2022-08-22 2023-01-03 徐州市耐力高分子科技有限公司 Mechanical hydraulic shock absorber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106715949A (en) * 2014-06-16 2017-05-24 斯威尔Ivf股份有限公司 An impact machine
CN210483997U (en) * 2019-11-26 2020-05-08 海南凯美特气体有限公司 Oil supply, lubrication and cooling device for high-level oil tank of reciprocating compressor
CN115560020A (en) * 2022-08-22 2023-01-03 徐州市耐力高分子科技有限公司 Mechanical hydraulic shock absorber

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