CN210307354U - Rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive - Google Patents
Rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive Download PDFInfo
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- CN210307354U CN210307354U CN201921186733.3U CN201921186733U CN210307354U CN 210307354 U CN210307354 U CN 210307354U CN 201921186733 U CN201921186733 U CN 201921186733U CN 210307354 U CN210307354 U CN 210307354U
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- pressure water
- rotating shaft
- abrasive
- mounting seat
- connecting plate
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Abstract
A rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive materials is characterized by comprising a mounting seat, a shell, a rotating shaft and a connecting plate, wherein the mounting seat is provided with a radial high-pressure water inlet interface and an abrasive material inlet; a high-pressure water outlet port is arranged on the connecting plate; the center of the rotating shaft is provided with an abrasive channel; a plurality of axial water guide holes are formed in the rotating shaft, one end of each water guide hole is communicated with a high-pressure water outlet hole in the connecting plate, and the other end of each water guide hole is communicated with a high-pressure water inlet hole in the mounting seat; the rotating shaft is installed and positioned in the shell through the bearing, the axial positioning of the rotating shaft is achieved through a boss on the rotating shaft and a supporting pad close to one end of the installation seat, and the shell is installed on the installation seat. The utility model discloses a set up the abrasive material passageway at the center of rotation axis and set up the structure in water guide hole around the abrasive material passageway, realize high-pressure water and abrasive material rotatory conveying simultaneously, have characteristics such as small, simple structure, reliability height, have obvious effect and effect to the work efficiency that improves the water jet and equip.
Description
Technical Field
The utility model relates to a water cutting technique, especially a water cutting is with connecting, specifically speaking are rotary joint of rotatory conveying simultaneously of superhigh pressure water and abrasive material.
Background
The ultrahigh pressure rotary joint is an important part of water jet equipment and is used for meeting the requirement of relative rotation of an output end and an input end in high-pressure water conveying. In the field of water jet applications, existing swivel joints can only be used to deliver ultra-high pressure water. With the development of the ultrahigh pressure water jet equipment technology, the application field of the ultrahigh pressure water jet equipment technology is continuously expanded, and in some specific engineering applications (such as mining, rock breaking, stone mining and the like), the impact kinetic energy of the ultrahigh pressure water jet is utilized to rapidly cut and break rocks, and meanwhile, the impact kinetic energy of the jet can be further improved by mixing abrasive materials, so that the cutting and breaking efficiency of the water jet on the rocks is improved. In such engineering applications, new requirements are placed on the ultrahigh pressure rotary joint, and the ultrahigh pressure water is required to be transmitted and simultaneously have an abrasive material supply function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at only can convey the water under high pressure to current superhigh pressure rotary joint, no abrasive material is supplied with, can't satisfy the problem of high-pressure water and the rotatory conveying demand of abrasive material simultaneously, designs a rotary joint who has superhigh pressure water and the rotatory conveying function of abrasive material simultaneously.
The technical scheme of the utility model is that:
a rotary joint for simultaneously and rotatably transmitting ultrahigh pressure water and abrasive materials is characterized by comprising a mounting seat 9, a shell 4, a rotating shaft 6 and a connecting plate 2, wherein a plurality of radial high pressure water inlet connectors 13 are arranged on the circumferential direction of the mounting seat 9, and an abrasive material inlet 14 is arranged in the axial direction of the mounting seat 9; the connecting plate 2 is provided with a plurality of high-pressure water outlet ports 15, and the connecting plate 2 is fixed on the rotating shaft 6 through the fixing ring 1 and the round nut 3 and synchronously rotates along with the rotating shaft; the center of the rotating shaft 6 is provided with an abrasive passage 16, and the abrasive passage 16 is communicated with an abrasive inlet 14 on the mounting seat 9; a plurality of axial water guide holes 17 are formed in the rotating shaft 4 on the outer side of the grinding material channel 16, two annular grooves 18 are formed in two ends of each water guide hole 17, the annular grooves (18) are communicated with the water guide holes (17) through radial holes in two ends of the rotating shaft, the annular groove 18 in one end is communicated with a high-pressure water outlet hole 19 in the connecting plate 2, the high-pressure water outlet hole 19 is communicated with a high-pressure water outlet port 15, and the annular groove 18 in the other end is communicated with a high-pressure water inlet hole 20; the rotating shaft 6 is installed and positioned in the shell 4 through a thrust bearing 5 and an angular contact bearing 7, and the axial positioning of the rotating shaft is realized through a boss on the rotating shaft 6 and a supporting pad 8 close to one end of a mounting seat 9, and the shell 4 is installed on the mounting seat 9.
A plurality of high pressure water inlet interfaces 13 on the mounting seat 9 are symmetrically arranged on the mounting seat 9 to ensure the stress balance, and the high pressure water inlet interfaces 13 are connected with the high pressure water input joint through threads.
The high-pressure water outlet ports 15 on the connecting plate 2 are symmetrically distributed on the connecting plate 2, and the high-pressure water outlet ports 15 are connected with the high-pressure water output connector through threads.
Two sides of the annular groove 18 on one end of the rotating shaft 6 close to the mounting seat 9 are respectively sleeved with a high-pressure sealing ring 10.
The water guide hole 17 is a blind hole structure, a sealing steel ball 11 is arranged on the opening end of the water guide hole, and the sealing steel ball 11 is fixed through a set screw 12 on the end face of the rotating shaft.
The utility model has the advantages that:
the utility model discloses a set up the abrasive material passageway at the center of rotation axis and set up the structure in water guide hole around the abrasive material passageway, realized that superhigh pressure water and abrasive material rotate the conveying simultaneously, this rotary joint's highest pressure reaches 300MPa, has characteristics such as small, simple structure, reliability height, has satisfied that superhigh pressure water jet equips medium-high pressure water and abrasive material carry needs simultaneously. The device has obvious effect and effect on improving the working efficiency of the water jet equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1.
The utility model provides a super high pressure water and abrasive material are rotary joint of rotatory conveying simultaneously, it includes mount pad 9, casing 4, rotation axis 6 and connecting plate 2, the circumference of mount pad 9 on be equipped with a plurality of radial high pressure water interface 13 of intaking, a plurality of high pressure water interface 13 symmetries of intaking are installed on mount pad 9 in order to guarantee that the atress is balanced, high pressure water interface 13 of intaking pass through the screw thread and link to each other with high pressure water input joint. The axial direction of the mounting seat 9 is provided with an abrasive inlet 14; the connecting plate 2 is provided with a plurality of high-pressure water outlet interfaces 15, the high-pressure water outlet interfaces 15 are symmetrically distributed on the connecting plate 2, and the high-pressure water outlet interfaces 15 are connected with a high-pressure water output connector through threads. The connecting plate 2 is fixed on the rotating shaft 6 through the fixing ring 1 and the round nut 3 and synchronously rotates along with the rotating shaft; the center of the rotating shaft 6 is provided with an abrasive passage 16, and the abrasive passage 16 is communicated with an abrasive inlet 14 on the mounting seat 9; a plurality of axial water guide holes 17 are formed in the rotating shaft 4 on the outer side of the abrasive material channel 16, the water guide holes 17 are of a blind hole structure, a sealing steel ball 11 is mounted on the opening end of each water guide hole 17, and the sealing steel balls 11 are fixed through a set screw 12 on the end face of the rotating shaft. Two ends of the water guide hole 17 are respectively provided with an annular groove 18, the annular grooves 18 are communicated with the water guide hole 17 through radial holes at two ends of the rotating shaft, the annular groove 18 at one end is communicated with a high-pressure water outlet hole 19 on the connecting plate 2, the high-pressure water outlet hole 19 is communicated with a high-pressure water outlet port 15, the annular groove 18 at the other end is communicated with a high-pressure water inlet hole 20 of the mounting seat 9, and two sides of the annular groove 18 at one end of the rotating shaft 6 close to the mounting seat 9 are respectively sleeved with a; the rotating shaft 6 is installed and positioned in the shell 4 through a thrust bearing 5 and an angular contact bearing 7, and the axial positioning of the rotating shaft is realized through a boss on the rotating shaft 6 and a supporting pad 8 close to one end of a mounting seat 9, and the shell 4 is installed on the mounting seat 9.
The details are as follows:
the utility model discloses a rotary joint of rotatory conveying simultaneously of superhigh pressure water and abrasive material mainly comprises solid fixed ring 1, connecting plate 2, circular nut 3, casing 4, thrust bearing 5, rotation axis 6, angular contact bearing 7, supporting pad 8, mount pad 9, high-pressure seal circle 10, sealed steel ball 11 and holding screw 12. The mounting seat 9 is an input end of multi-path high-pressure water and abrasive, a plurality of internal thread holes are distributed on the circumference of a large excircle of the mounting seat and used for mounting a high-pressure water input pipeline joint, and external threads at the right end of the mounting seat are used for mounting an abrasive input pipeline joint; the mounting seat 9 is fixedly mounted on the housing 4 by screws (not shown); the left end of the rotating shaft 6 is provided with external threads, the left end is used for installing an abrasive output pipeline joint, the center of the rotating shaft 6 is provided with a cylindrical through hole, a plurality of axial cylindrical holes (water guide holes) with smaller diameters are distributed around the cylindrical through hole, the cylindrical holes are communicated with radial cylindrical holes distributed on the excircles on the left side and the right side of the rotating shaft 6, and the thrust bearing 5 and the angular contact bearing 7 are sleeved on the excircle of the rotating shaft 6; the thrust bearing 5 and the angular contact bearing 7 are installed in an inner hole of the shell 4; the connecting plate 2 is an output end of a plurality of paths of high-pressure water, and a plurality of internal thread holes are also distributed on the circumference of the outer circle of the connecting plate and used for installing a high-pressure water output pipeline joint; the inner hole of the connecting plate 2 is sleeved on the excircle on the left side of the rotating shaft 6, the round nut on the right side of the connecting plate 2 is screwed on the external thread of the rotating shaft 6, the left end of the fixing ring 1 on the left side of the connecting plate is a square hole, the fixing ring 1 and the connecting plate 2 are sleeved on the step which is on the left side of the rotating shaft 6 and is square, and the fixing ring 1 and the connecting plate 2 are fixedly connected with the round nut 3 through a plurality of screws (not shown in the figure. The inner hole of the high-pressure sealing ring 10 is sleeved on the excircle at the right end of the rotating shaft 6, the high-pressure sealing ring is positioned at the left side and the right side of the radial hole at the right side of the rotating shaft 6, the excircle is sleeved in the inner hole at the left end of the mounting seat 9, the left end of the left high-pressure sealing ring 10 is abutted against the supporting pad 8, and the right end of the right high-pressure sealing ring 10 is abutted against the inner hole of the mounting seat 9; the supporting pad 8 is arranged in the right end inner hole of the shell 4, and the left end of the supporting pad is propped against the angular contact bearing 7. The steel ball 11 is arranged at the right side of the water guide hole of the rotating shaft 6 and is fixed by the set screw 12, and the steel ball 11 and the set screw 12 are used for separating the water guide hole of the rotating shaft 6 from the right end face.
The high-pressure water enters the hole of the mounting seat 9 communicated with the internal threaded hole through the input pipeline, then enters the water guide hole of the rotating shaft 6, enters the hole of the connecting plate 2 fixedly connected with the annular groove (the annular groove 18 is communicated with the water guide hole through the radial hole) which is communicated with the annular groove and distributed on the excircle on the left side of the rotating shaft 6, and finally enters the output pipeline arranged on the internal threaded hole of the connecting plate 2. The abrasive material enters the inner hole on the right side of the mounting seat 9 through the abrasive material input pipeline and then enters the abrasive material output pipeline on the left side of the rotating shaft 6 through the central cylindrical through hole of the rotating shaft 6.
When a rotating moment acts on the connecting plate 2, the connecting plate 2 drives the rotating shaft 6 to rotate together, so that the output end and the input end rotate relatively in the process of conveying high-pressure water and abrasive materials.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (5)
1. A rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive materials is characterized by comprising a mounting seat (9), a shell (4), a rotating shaft (6) and a connecting plate (2), wherein a plurality of radial high-pressure water inlet connectors (13) are arranged on the circumferential direction of the mounting seat (9), and an abrasive material inlet (14) is arranged in the axial direction of the mounting seat (9); the connecting plate (2) is provided with a plurality of high-pressure water outlet ports (15), and the connecting plate (2) is fixed on the rotating shaft (6) through the fixing ring (1) and the round nut (3) and synchronously rotates along with the rotating shaft; an abrasive channel (16) is arranged in the center of the rotating shaft (6), and the abrasive channel (16) is communicated with an abrasive inlet (14) on the mounting seat (9); a plurality of axial water guide holes (17) are formed in the rotating shaft (6) on the outer side of the abrasive channel (16), two ends of each water guide hole (17) are respectively provided with an annular groove (18), the annular grooves (18) are communicated with the water guide holes (17) through radial holes in two ends of the rotating shaft, the annular groove (18) in one end is communicated with a high-pressure water outlet hole (19) in the connecting plate (2), the high-pressure water outlet hole (19) is communicated with a high-pressure water outlet connector (15), and the annular groove (18) in the other end is communicated with a high-pressure water inlet hole (20) in the mounting seat (; the rotating shaft (6) is installed and positioned in the shell (4) through the thrust bearing (5) and the angular contact bearing (7), the axial positioning of the rotating shaft is realized through a boss on the rotating shaft (6) and a supporting pad (8) close to one end of the installation seat, and the shell (4) is installed on the installation seat (9).
2. The swivel joint for simultaneously rotating and conveying ultrahigh-pressure water and abrasive materials according to claim 1, wherein a plurality of high-pressure water inlet ports (13) on the mounting seat (9) are symmetrically arranged on the mounting seat (9) to ensure stress balance, and the high-pressure water inlet ports (13) are connected with the high-pressure water inlet ports through threads.
3. The swivel joint for simultaneously rotatably transmitting ultrahigh-pressure water and abrasive according to claim 1, characterized in that the plurality of high-pressure water outlet ports (15) on the connecting plate (2) are symmetrically distributed on the connecting plate (2), and the high-pressure water outlet ports (15) are connected with the high-pressure water outlet ports through threads.
4. The rotary joint for simultaneously rotating and conveying ultrahigh-pressure water and abrasive according to claim 1, wherein the two sides of the annular groove (18) at one end of the rotating shaft (6) close to the mounting seat (9) are respectively sleeved with a high-pressure sealing ring (10).
5. The rotary joint for simultaneously rotating and conveying ultrahigh-pressure water and abrasive according to claim 1, wherein the water guide hole (17) is of a blind hole structure, a sealing steel ball (11) is mounted at the opening end of the blind hole structure, and the sealing steel ball (11) is fixed through a set screw (12) on the end face of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186733.3U CN210307354U (en) | 2019-07-26 | 2019-07-26 | Rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186733.3U CN210307354U (en) | 2019-07-26 | 2019-07-26 | Rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive |
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| Publication Number | Publication Date |
|---|---|
| CN210307354U true CN210307354U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921186733.3U Active CN210307354U (en) | 2019-07-26 | 2019-07-26 | Rotary joint for simultaneously and rotatably transmitting ultrahigh-pressure water and abrasive |
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| CN (1) | CN210307354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281156A (en) * | 2019-07-26 | 2019-09-27 | 南京大地水刀股份有限公司 | A kind of high-pressure water and abrasive material rotate the rotary joint of transmission simultaneously |
-
2019
- 2019-07-26 CN CN201921186733.3U patent/CN210307354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281156A (en) * | 2019-07-26 | 2019-09-27 | 南京大地水刀股份有限公司 | A kind of high-pressure water and abrasive material rotate the rotary joint of transmission simultaneously |
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