High, low pressure water simultaneously rotating transmission's superhigh pressure double channel rotating joint

Abstract

The application discloses a high and low pressure water simultaneous rotation transmission superhigh pressure double-channel rotary joint, which is characterized by comprising a mounting base, a shell, a rotating shaft and high and low pressure connecting plates, a plurality of radial high and low pressure water inlet interfaces are arranged on the mounting base, a plurality of radial high and low pressure water outlet interfaces are arranged on the high and low pressure connecting plates, a high pressure water channel is arranged at the center of the rotating shaft, a plurality of axial water guide holes are arranged around the rotating shaft, the rotating shaft is positioned in the shell through bearings, 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 mounting base, and the shell is mounted on the mounting base. The high and low pressure water simultaneous rotation transmission superhigh pressure double-channel rotary joint has the characteristics of small volume, simple structure, high reliability and the like, and meets the conveying needs of high and low pressure water simultaneous rotation transmission and independent channels.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of water jet technology, especially 300MPa pressure, 150L / min flow and above high pressure large flow water jet technology, specifically, a kind of high, low pressure water simultaneously rotates and transmits the high pressure double-channel rotary joint. BACKGROUND

[0002] It is known that high pressure rotary joint is an important component of water jet equipment, which meets the needs of high pressure water delivery output end and input end relative rotation.In the field of water jet applications, the existing rotary joint can only be used to transmit high pressure water, with the development of high pressure water jet equipment technology, its application field is constantly expanding, in some specific engineering applications (such as mining, rock breaking, stone mining, etc.), the impact kinetic energy of high pressure water jet is used to cut and crush rock quickly, while low pressure water is often needed to lubricate or cool the work surface or workpiece surface intermittently or synchronously to improve the possibility of continuous operation. SUMMARY

[0003] The purpose of the present application is to design a kind of high, low pressure water simultaneously rotates and transmits the high pressure double-channel rotary joint to solve the problem that the existing high pressure rotary joint can only transmit single-channel high pressure water, without low pressure water synchronous transmission, which cannot meet the needs of high, low pressure water double-channel and simultaneous rotation transmission.

[0004] The technical scheme of the present application is:

[0005] The utility model relates to a kind of high, low pressure water simultaneously rotating transmission superhigh pressure double-channel rotary joint, it is characterized by it includes mounting seat 1, shell 2, rotating shaft 3 and high pressure connecting disc 4, low pressure connecting disc 5, the circumferential direction of the mounting seat 1 is equipped with multiple radial high pressure water inlet 10 and low pressure water inlet 11;The high pressure connecting disc 4 is equipped with multiple radial high pressure water outlet 12;The low pressure connecting disc 5 is equipped with multiple radial low pressure water outlet 13, and high pressure connecting disc 4 and low pressure connecting disc 5 are fixed on rotating shaft 3 by fixed ring 6 and rotate synchronously with it;The center of the rotating shaft 3 is equipped with high pressure water channel 14, and high pressure water channel 14 one end is communicated with the high pressure water inlet 10 of mounting seat 1, and the other end is communicated with the high pressure water outlet 12 of high pressure connecting disc 4;Rotating shaft 3 is equipped with multiple axial low pressure water channel 15, and one end of low pressure water channel 15 is communicated with the low pressure water inlet 11 of mounting seat 1, and the other end is communicated with the low pressure water outlet 13 of low pressure connecting disc 5;Rotating shaft 3 is positioned in shell 2 by thrust bearing 7, roller bearing 8 and is positioned by the boss on rotating shaft 3 and support pad 9 close to the one end of mounting seat 1, to realize the axial positioning of rotating shaft 3;Shell 2 is installed on mounting seat 1;When rotating moment acts on fixed ring 6, high pressure connecting disc 4 and low pressure connecting disc 5, rotating shaft 3 is rotated, to realize the relative rotation of high, low pressure water output end and input end.

[0006] Multiple high pressure water inlets 10 and low pressure water inlets 11 on the mounting seat 1 are symmetrically installed on the mounting seat 1 to ensure force balance, the high pressure water inlet 10 is connected with high pressure water input joint by thread, and the low pressure water inlet 11 is connected with low pressure water input joint by thread.

[0007] Multiple high pressure water outlets 12 on the high pressure connecting disc 4 are symmetrically distributed on the high pressure connecting disc 4, and the high pressure water outlet 12 is connected with high pressure water output joint by thread.

[0008] Multiple low pressure water outlets 13 on the low pressure connecting disc 5 are symmetrically distributed on the low pressure connecting disc 5, and the low pressure water outlet 13 is connected with low pressure water output joint by thread.

[0009] The rotating shaft 3 is sleeved with a first high pressure sealing ring 16 at the inlet position of high pressure water channel 14 close to the mounting seat 1, and two second high pressure sealing rings 17 are sleeved at both sides of the outlet of 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 both sides of the inlet of 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 both sides of the outlet of low pressure water channel 15 close to the low pressure connecting disc 5.

[0010] The support pad 9 and the mounting seat 1 are additionally provided with a baffle 20 to improve the overall sealing performance.

[0011] A sealing ring 21 is installed between the support pad 9 and the rotating shaft 3 .

[0012] Beneficial effects of the present invention:

[0013] The present invention adopts a structure in which a high-pressure water channel is set at the center of the rotating shaft and water guide holes are set around it to realize the simultaneous rotation and transmission of high and low pressure water. The maximum pressure reaches 300MPa and the maximum flow rate reaches 150L / min. It has the characteristics of small size, simple structure and high reliability, and meets the transportation needs of high and low pressure water being simultaneously rotated and transmitted with independent channels. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings and examples.

[0016] like Figure 1 shown.

[0017] The utility model relates to a kind of high, low pressure water simultaneously rotating transmission superhigh pressure double-channel rotary joint, it includes mounting seat 1, shell 2, rotating shaft 3 and high pressure connecting disc 4, low pressure connecting disc 5, the circumferential direction of the mounting seat 1 is equipped with multiple radial high pressure water inlet 10 and low pressure water inlet 11, multiple high pressure water inlet 10 and low pressure water inlet 11 are symmetrically installed on mounting seat 1 to ensure force balance, the high pressure water inlet 10 is connected with high pressure water input joint by thread, and the low pressure water inlet 11 is connected with low pressure water input joint by thread;The high pressure connecting disc 4 is equipped with multiple radial high pressure water outlet 12, and the low pressure connecting disc 5 is equipped with multiple radial low pressure water outlet 13, similarly, multiple high pressure water outlet 12 are symmetrically distributed on high pressure connecting disc 4, and the high pressure water outlet 12 is connected with high pressure water output joint by thread.The multiple low pressure water outlet 13 on low pressure connecting disc 5 is symmetrically distributed on low pressure connecting disc 5, and the low pressure water outlet 13 is connected with low pressure water output joint by thread.High pressure connecting disc 4 and low pressure connecting disc 5 are fixed on rotating shaft 3 by fixed ring 6 and rotate synchronously therewith;The center of the rotating shaft 3 is equipped with high pressure water channel 14, and one end of high pressure water channel 14 is communicated with the high pressure water inlet 10 of mounting seat 1, and the other end is communicated with the high pressure water outlet 12 of high pressure connecting disc 4;Rotating shaft 3 is equipped with multiple axial low pressure water channels 15, and one end of low pressure water channel 15 is communicated with the low pressure water inlet 11 of mounting seat 1, and the other end is communicated with the low pressure water outlet 13 of low pressure connecting disc 5;Rotating shaft 3 is installed and positioned in shell 2 by thrust bearing 7 and roller bearing 8 and realizes the axial positioning of rotating shaft 3 by boss on rotating shaft 3 and support pad 9 close to one end of mounting seat 1, and support pad 9 is additionally provided with barrier 20 with mounting seat 1, and sealing ring 21 is additionally provided between support pad 9 and rotating shaft 3.Shell 2 is installed on mounting seat 1;When moment of rotation acts on fixed ring 6, high pressure connecting disc 4 and low pressure connecting disc 5, rotating shaft 3 is driven to rotate, and the relative rotation of high pressure water output end and input end is realized.Low pressure water output end and input end are realized.In order to guarantee sealing performance, when being implemented, a first high pressure sealing ring 16 is sleeved at the inlet position of high pressure water channel 14 close to mounting seat 1, two second high pressure sealing rings 17 are sleeved at the outlet position of high pressure water channel 14 close to high pressure connecting disc 4;First low pressure sealing ring 18 and second low pressure sealing ring 19 are respectively sleeved at the inlet position of low pressure water channel 15 close to mounting seat 1;First low pressure sealing ring 18 and second low pressure sealing ring 19 are respectively sleeved at the outlet position of low pressure water channel 15 close to low pressure connecting disc 5.

[0018] The use method of the utility model is:

[0019] The high pressure and low pressure water inlets of the rotary joint are connected with the high pressure water outlet and low pressure water outlet of the main machine, the high pressure water (generally above 150 MPa, up to 300 MPa) and low pressure water (below 100 MPa) enter the high pressure connecting disc 4 and low pressure connecting disc 5 through the respective channels on the rotary shaft, if high pressure water is needed, the water outlet switch of the high pressure connecting disc 4 is opened to make the high pressure water work, if low pressure water is needed, only the water switch of the low pressure connecting disc 5 is opened to realize low pressure lubrication or flushing. The rotary shaft cannot move axially under the constraint of the shell 1 and the fixed ring 6, therefore, even if the water pressure is high, the rotary shaft cannot move axially, when the high pressure or low pressure water output direction needs to be set, the high pressure connecting disc 4 or low pressure connecting disc 5 is rotated to drive the rotary shaft 3 to rotate, after a period of use, if the sealing effect is found to be decreased, the rotary joint can be replaced.

[0020] The parts not involved in the present application are the same as or can be realized by using the prior art.

Claims

1. A high and low pressure water simultaneous rotary transmission superhigh pressure double channel rotary joint, characterized in that It includes mounting seat (1), shell (2), rotating shaft (3) and high pressure connecting disc (4), low pressure connecting disc (5), the circumference of mounting seat (1) is equipped with multiple radial high pressure water inlet (10) and low pressure water inlet (11);The high pressure connecting disc (4) is equipped with multiple radial high pressure water outlet (12);The low pressure connecting disc (5) is equipped with multiple radial low pressure water outlet (13), high pressure connecting disc (4) and low pressure connecting disc (5) are fixed on rotating shaft (3) by fixed ring (6) and rotate synchronously;The center of rotating shaft (3) is equipped with high pressure water channel (14), one end of high pressure water channel (14) is communicated with high pressure water inlet (10) on mounting seat (1), the other end is communicated with high pressure water outlet (12) on high pressure connecting disc (4);Rotating shaft (3) is equipped with multiple axial low pressure water channel (15), one end of low pressure water channel (15) is communicated with low pressure water inlet (11) on mounting seat (1), the other end is communicated with low pressure water outlet (13) on low pressure connecting disc (5);Rotating shaft (3) is installed and positioned in shell (2) through thrust bearing (7), roller bearing (8) and realizes the axial positioning of rotating shaft (3) through the boss on rotating shaft (3) and support pad (9) close to the one end of mounting seat (1);Shell (2) is installed on mounting seat (1);When the moment of rotation acts on fixed ring (6), high pressure connecting disc (4) and low pressure connecting disc (5), rotating shaft (3) is driven to rotate, the relative rotation of high, low pressure water output end and input end is realized;The rotating shaft (3) is sleeved with a first high pressure sealing ring (16) at the inlet position of high pressure water channel (14) close to mounting seat (1), two second high pressure sealing rings (17) are sleeved at the outlet position of high pressure water channel (14) close to 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 inlet position of low pressure water channel (15) close to mounting seat (1);A first low pressure sealing ring (18) and a second low pressure sealing ring (19) are respectively sleeved at the outlet position of low pressure water channel (15) close to low pressure connecting disc (5);The support pad (9) and mounting seat (1) are additionally provided with a barrier (20), so as to improve the overall sealing performance;The multiple high pressure water inlets (10) and low pressure water inlets (11) on the mounting seat (1) are symmetrically installed on the mounting seat (1) to ensure force balance, the high pressure water inlet (10) is connected with high pressure water input joint through thread, the low pressure water inlet (11) is connected with low pressure water input joint through thread;The support pad (9) and rotating shaft (3) are additionally provided with a sealing ring (21);The multiple high pressure water outlets (12) on the high pressure connecting disc (4) are symmetrically distributed on the high pressure connecting disc (4), the high pressure water outlet (12) is connected with high pressure water output joint through thread.

2. The super-high-pressure dual-channel rotary joint for simultaneous rotation of high-pressure and low-pressure water according to claim 1, characterized in that The multiple low-pressure water outlet interfaces (13) on the low-pressure connecting disc (5) are symmetrically distributed on the low-pressure connecting disc (5), and the low-pressure water outlet interfaces (13) are connected with the low-pressure water output joint through threads.

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