CN211779574U - Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water - Google Patents

Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water Download PDF

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Publication number
CN211779574U
CN211779574U CN202020319276.7U CN202020319276U CN211779574U CN 211779574 U CN211779574 U CN 211779574U CN 202020319276 U CN202020319276 U CN 202020319276U CN 211779574 U CN211779574 U CN 211779574U
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pressure
low
pressure water
connecting disc
rotating shaft
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CN202020319276.7U
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陈波
朱家睿
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Nanjing Dardi Water Cutter Co ltd
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Nanjing Dardi Water Cutter Co ltd
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Abstract

An ultrahigh pressure double-channel rotary joint for simultaneously rotationally transmitting high-pressure water and low-pressure water is characterized by comprising a mounting seat, a shell, a rotating shaft and high-pressure and low-pressure connecting discs, wherein the mounting seat is provided with a plurality of radial water inlet interfaces for the high-pressure and low-pressure water; a plurality of radial high-pressure and low-pressure water outlet ports are arranged on the high-pressure and low-pressure connecting discs; the center of the rotating shaft is provided with a high-pressure water channel, and the periphery of the rotating shaft is provided with a plurality of axial water guide holes; the rotating shaft is installed and positioned in the shell through a bearing, and the axial positioning of the rotating shaft is realized through a boss on the rotating shaft and a supporting pad close to one end of the installation seat; the shell is installed on the mount pad. The utility model discloses a set up high pressure water channel at the center of rotation axis and set up the structure in water guide hole around it, realize high, low pressure water rotatory conveying simultaneously, have characteristics such as small, simple structure, reliability height, satisfied high, low pressure water rotatory conveying simultaneously and respectively possess the transport needs of independent passageway.

Description

Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water
Technical Field
The utility model relates to a water jet technology, especially 300MPa pressure, 150L/min flow and above super high pressure large-traffic water jet technology, specifically speaking are super high pressure binary channels rotary joint of rotatory conveying simultaneously of high, low pressure water.
Background
As is well known, the ultrahigh pressure swivel is an important component of a water jet device, and functions to meet the requirement of relative rotation between an output end and an input end in high pressure water delivery. In the field of water jet application, the existing rotary joint can only be used for transmitting ultrahigh pressure water, the application field of the rotary joint is continuously expanded along with the development of an ultrahigh pressure water jet equipment technology, 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 low pressure water is often intermittently or synchronously needed to lubricate or cool the surface of a working face or a workpiece so as to improve the possibility of continuous operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at only can convey the single channel water under high pressure to current superhigh pressure rotary joint, do not have the synchronous conveying of low pressure water, can't satisfy the demand problem of high, low pressure water binary channels and rotatory conveying simultaneously, design the superhigh pressure binary channels rotary joint of rotatory conveying simultaneously of high, low pressure water.
The technical scheme of the utility model is that:
an ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high and low pressure water is characterized by comprising a mounting seat 1, a shell 2, a rotating shaft 3, a high pressure connecting disc 4 and a low pressure connecting disc 5, wherein a plurality of radial high pressure water inlet interfaces 10 and low pressure water inlet interfaces 11 are arranged on the circumferential direction of the mounting seat 1; the high-pressure connecting disc 4 is provided with a plurality of radial high-pressure water outlet interfaces 12; the low-pressure connecting disc 5 is provided with a plurality of radial low-pressure water outlet interfaces 13, and the high-pressure connecting disc 4 and the low-pressure connecting disc 5 are fixed on the rotating shaft 3 through the fixing ring 6 and synchronously rotate along with the rotating shaft; a high-pressure water channel 14 is arranged in the center of the rotating shaft 3, one end of the high-pressure water channel 14 is communicated with a high-pressure water inlet interface 10 on the mounting seat 1, and the other end of the high-pressure water channel 14 is communicated with a high-pressure water outlet interface 12 on the high-pressure connecting disc 4; a plurality of axial low-pressure water channels 15 are arranged on the rotating shaft 3, one end of each low-pressure water channel 15 is communicated with a low-pressure water inlet interface 11 on the mounting seat 1, and the other end of each low-pressure water channel 15 is communicated with a low-pressure water outlet interface 13 on the low-pressure connecting disc 5; the rotating shaft 3 is installed and positioned in the shell 2 through a thrust bearing 7 and a roller bearing 8, and the axial positioning of the rotating shaft 3 is realized through a boss on the rotating shaft 3 and a supporting pad 9 close to one end of the installation seat 1; the shell 2 is arranged on the mounting seat 1; when the rotating torque acts on the fixing ring 6, the high-pressure connecting disc 4 and the low-pressure connecting disc 5, the rotating shaft 3 is driven to rotate together, and the relative rotation of the high-pressure water output end and the low-pressure water output end and the input end is realized.
A plurality of high pressure water interface 10 and the low pressure water interface 11 symmetry of intaking of installation base 1 install on installation base 1 in order to guarantee that the atress is balanced, high pressure water interface 10 of intaking link to each other with high pressure water input joint through the screw thread, low pressure water interface 11 of intaking link to each other with low pressure water input joint through the screw thread.
The high-pressure water outlet ports 12 on the high-pressure connecting disc 4 are symmetrically distributed on the high-pressure connecting disc 4, and the high-pressure water outlet ports 12 are connected with the high-pressure water outlet connector through threads.
The low-pressure water outlet ports 13 on the low-pressure connecting disc 5 are symmetrically distributed on the low-pressure connecting disc 5, and the low-pressure water outlet ports 13 are connected with the low-pressure water output connector through threads.
The rotary shaft 3 is sleeved with a first high-pressure sealing ring 16 at the position close to the inlet of the high-pressure water channel 14 of the mounting seat 1, and two second high-pressure sealing rings 17 are sleeved at the positions on two sides of the outlet of the high-pressure water channel 14 close to the high-pressure connecting disc 4; a first low-pressure sealing ring 18 and a second low-pressure sealing ring 19 are respectively sleeved at the two sides of the inlet of the low-pressure water channel 15 close to the mounting seat 1; a first low-pressure sealing ring 18 and a second low-pressure sealing ring 19 are sleeved on the two sides of the outlet of the low-pressure water channel 15 close to the low-pressure connecting disc 5.
The supporting pad 9 and the mounting seat 1 are additionally provided with a baffle 20 to improve the overall sealing performance.
A sealing ring 21 is additionally arranged between the supporting pad 9 and the rotating shaft 3.
The utility model has the advantages that:
the utility model discloses a set up high pressure water channel at the center of rotation axis and set up the structure in water guide hole around it, realize high, low pressure water rotatory conveying simultaneously, the highest pressure reaches 300MPa, and maximum flow reaches 150L/min, has characteristics such as small, simple structure, reliability height, has satisfied high, low pressure water rotatory conveying simultaneously and respectively has the transport needs of independent passageway.
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 rotatory superhigh pressure binary channels rotary joint who conveys simultaneously of high, low pressure water, it includes mount pad 1, casing 2, rotation axis 3 and high pressure connection pad 4, low pressure connection pad 5, circumference of mount pad 1 on be equipped with a plurality of radial high pressure water interface 10 and the low pressure water interface 11 of intaking, a plurality of high pressure water intake interface 10 and low pressure water intake interface 11 symmetry install on mount pad 1 in order to guarantee the force balance, high pressure water intake interface 10 link to each other with high pressure water input joint through the screw thread, low pressure water intake interface 11 link to each other with low pressure water input joint through the screw thread. The high-pressure water outlet connector is characterized in that a plurality of radial high-pressure water outlet connectors 12 are arranged on the high-pressure connecting disc 4, a plurality of radial low-pressure water outlet connectors 13 are arranged on the low-pressure connecting disc 5, similarly, the plurality of high-pressure water outlet connectors 12 are symmetrically distributed on the high-pressure connecting disc 4, and the high-pressure water outlet connectors 12 are connected with the high-pressure water outlet connectors through threads. The low-pressure water outlet ports 13 on the low-pressure connecting disc 5 are symmetrically distributed on the low-pressure connecting disc 5, and the low-pressure water outlet ports 13 are connected with the low-pressure water output connector through threads. The high-voltage connecting disc 4 and the low-voltage connecting disc 5 are fixed on the rotating shaft 3 through a fixing ring 6 and synchronously rotate along with the rotating shaft; a high-pressure water channel 14 is arranged in the center of the rotating shaft 3, one end of the high-pressure water channel 14 is communicated with a high-pressure water inlet interface 10 on the mounting seat 1, and the other end of the high-pressure water channel 14 is communicated with a high-pressure water outlet interface 12 on the high-pressure connecting disc 4; a plurality of axial low-pressure water channels 15 are arranged on the rotating shaft 3, one end of each low-pressure water channel 15 is communicated with a low-pressure water inlet interface 11 on the mounting seat 1, and the other end of each low-pressure water channel 15 is communicated with a low-pressure water outlet interface 13 on the low-pressure connecting disc 5; rotation axis 3 passes through thrust bearing 7, roller bearing 8 installation location in casing 2 and through boss on the rotation axis 3 and the axial positioning who is close to the supporting pad 9 of mount pad 1 one end realization rotation axis 3, and supporting pad 9 adds with mount pad 1 and is equipped with to separate and keep off 20, adds between supporting pad 9 and the rotation axis 3 and is equipped with sealing washer 21. The shell 2 is arranged on the mounting seat 1; when the rotating torque acts on the fixing ring 6, the high-pressure connecting disc 4 and the low-pressure connecting disc 5, the rotating shaft 3 is driven to rotate together, and the relative rotation of the high-pressure water output end and the low-pressure water output end and the input end is realized. In order to ensure the sealing performance, in the specific implementation, a first high-pressure sealing ring 16 is sleeved at the position of the rotating shaft 3 close to the inlet of the high-pressure water channel 14 of the mounting seat 1, and two second high-pressure sealing rings 17 are sleeved at the positions of two sides of the outlet of the high-pressure water channel 14 close to the high-pressure connecting disc 4; a first low-pressure sealing ring 18 and a second low-pressure sealing ring 19 are respectively sleeved at the two sides of the inlet of the low-pressure water channel 15 close to the mounting seat 1; a first low-pressure sealing ring 18 and a second low-pressure sealing ring 19 are sleeved on the two sides of the outlet of the low-pressure water channel 15 close to the low-pressure connecting disc 5.
The utility model discloses a use method is:
will the utility model discloses a rotary joint's high pressure and low pressure water inlet link to each other with the high pressure water outlet and the low pressure water play water of equipment host computer respectively, high pressure water (generally more than 150 MPa, can reach 300MPa at the utmost) and low pressure water (being less than 100 MPa) get into high pressure connection pad 4 and low pressure connection pad 5 through rotatory epaxial passageway separately, if need use the high pressure water, then open the water switch that goes out of high pressure connection pad 4 and can make the high pressure water carry out work, if need use the low pressure water, then only need open the water switch of low pressure connection pad 5 and can realize that the low pressure is lubricated or wash. The rotation axis is the unable removal of axial under the restraint of casing 1 and solid fixed ring 6, consequently, even water pressure is high again can not make rotation axis axial displacement, when needs set up high pressure or low pressure water output direction, the accessible rotates high pressure connection dish 4 or low pressure connection dish 5 and drives rotation axis 3 and rotate, uses after a period, if find sealed effect decline and can change.
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 (7)

1. The ultrahigh pressure double-channel rotary joint capable of simultaneously and rotatably transmitting high-pressure water and low-pressure water is characterized by comprising a mounting seat (1), a shell (2), a rotating shaft (3), a high-pressure connecting disc (4) and a low-pressure connecting disc (5), wherein a plurality of radial high-pressure water inlet interfaces (10) and low-pressure water inlet interfaces (11) are arranged on the circumferential direction of the mounting seat (1); a plurality of radial high-pressure water outlet interfaces (12) are arranged on the high-pressure connecting disc (4); the low-pressure connecting disc (5) is provided with a plurality of radial low-pressure water outlet interfaces (13), and the high-pressure connecting disc (4) and the low-pressure connecting disc (5) are fixed on the rotating shaft (3) through a fixing ring (6) and synchronously rotate along with the rotating shaft; a high-pressure water channel (14) is arranged in the center of the rotating shaft (3), one end of the high-pressure water channel (14) is communicated with a high-pressure water inlet interface (10) on the mounting seat (1), and the other end of the high-pressure water channel is communicated with a high-pressure water outlet interface (12) on the high-pressure connecting disc (4); a plurality of axial low-pressure water channels (15) are arranged on the rotating shaft (3), one end of each low-pressure water channel (15) is communicated with a low-pressure water inlet interface (11) on the mounting seat (1), and the other end of each low-pressure water channel is communicated with a low-pressure water outlet interface (13) on the low-pressure connecting disc (5); the rotating shaft (3) is installed and positioned in the shell (2) through a thrust bearing (7) and a roller bearing (8), and the axial positioning of the rotating shaft (3) is realized through a boss on the rotating shaft (3) and a supporting pad (9) close to one end of the installation seat (1); the shell (2) is arranged on the mounting seat (1); when the rotating torque acts on the fixing ring (6), the high-pressure connecting disc (4) and the low-pressure connecting disc (5), the rotating shaft (3) is driven to rotate together, and the relative rotation of the high-pressure water output end and the low-pressure water output end and the input end is realized.
2. The ultrahigh pressure double-channel rotary joint for simultaneously rotationally conveying high-pressure water and low-pressure water as claimed in claim 1, wherein the mounting seat (1) is provided with a plurality of high-pressure water inlet ports (10) and low-pressure water inlet ports (11) which are symmetrically arranged on the mounting seat (1) to ensure stress balance, the high-pressure water inlet ports (10) are connected with the high-pressure water input joint through threads, and the low-pressure water inlet ports (11) are connected with the low-pressure water input joint through threads.
3. The ultrahigh pressure double-channel rotary joint for simultaneously rotationally conveying high-pressure water and low-pressure water as claimed in claim 1, wherein the high-pressure water outlet ports (12) on the high-pressure connecting disc (4) are symmetrically distributed on the high-pressure connecting disc (4), and the high-pressure water outlet ports (12) are connected with the high-pressure water outlet ports through threads.
4. The ultrahigh pressure double-channel rotary joint for simultaneously rotating and transmitting high and low pressure water as claimed in claim 1, wherein a plurality of low pressure water outlet ports (13) on the low pressure connecting disc (5) are symmetrically distributed on the low pressure connecting disc (5), and the low pressure water outlet ports (13) are connected with the low pressure water outlet ports through threads.
5. The ultrahigh pressure double channel rotary joint for simultaneously rotating and transmitting high and low pressure water as claimed in claim 1, wherein the rotary shaft (3) is sleeved with a first high pressure sealing ring (16) at the inlet position of the high pressure water channel (14) close to the mounting seat (1), and two second high pressure sealing rings (17) at the two sides of the outlet of the high pressure water channel (14) close to the high pressure connecting disc (4); a first low-pressure sealing ring (18) and a second low-pressure sealing ring (19) are respectively sleeved at the two sides of the inlet of the low-pressure water channel (15) close to the mounting seat (1); a first low-pressure sealing ring (18) and a second low-pressure sealing ring (19) are respectively sleeved at two sides of the outlet of the low-pressure water channel (15) close to the low-pressure connecting disc (5).
6. The ultrahigh pressure double channel rotary joint for simultaneously rotating and conveying high and low pressure water as claimed in claim 1, wherein a spacer (20) is additionally arranged between the supporting pad (9) and the mounting seat (1) to improve the overall sealing performance.
7. The ultrahigh pressure double channel rotary joint for simultaneously rotating and conveying high and low pressure water as claimed in claim 1, wherein a sealing ring (21) is additionally arranged between the supporting pad (9) and the rotary shaft (3).
CN202020319276.7U 2020-03-16 2020-03-16 Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water Active CN211779574U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020319276.7U CN211779574U (en) 2020-03-16 2020-03-16 Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020319276.7U CN211779574U (en) 2020-03-16 2020-03-16 Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water

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CN211779574U true CN211779574U (en) 2020-10-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188963A (en) * 2020-03-16 2020-05-22 南京大地水刀股份有限公司 Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188963A (en) * 2020-03-16 2020-05-22 南京大地水刀股份有限公司 Ultrahigh pressure double-channel rotary joint for simultaneously and rotatably transmitting high-pressure water and low-pressure water

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