CN214789695U

CN214789695U - Hydraulic pipe sealing joint for wind power hydraulic pipe assembly

Info

Publication number: CN214789695U
Application number: CN202121270939.1U
Authority: CN
Inventors: 吴缪宏; 吴爱青; 张斌; 赵志伟
Original assignee: Nanjing Xinmudike Hydraulic Technology Co ltd
Current assignee: Nanjing Xinmudike Hydraulic Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-19
Anticipated expiration: 2031-06-07

Abstract

The application relates to the technical field of hydraulic pipelines, in particular to a hydraulic pipe sealing joint for a wind power hydraulic pipe assembly, which comprises a fixed pipe fitting for fixedly connecting the end part of a hydraulic pipe and a sealing pipe fitting for fixedly connecting the end part of the hydraulic pipe joint, wherein the fixed pipe fitting is in threaded connection with the sealing pipe fitting, and a limiting part for sealing and abutting the sealing pipe fitting is fixedly sleeved on the outer side of the fixed pipe fitting; the outside slip cover of fixed pipe fitting is equipped with first sealed closure, just first sealed closure slides and sets up the locating part deviates from one side of sealed pipe fitting, the outside fixed cover of sealed pipe fitting is equipped with and is used for sealed lock to connect the sealed closure of second of first sealed closure. This application has the stability and the sealed effect that improve hydraulic pressure coupling hydraulic pressure pipe.

Description

Hydraulic pipe sealing joint for wind power hydraulic pipe assembly

Technical Field

The application relates to the technical field of hydraulic pipelines, in particular to a hydraulic pipe sealing joint for a wind power hydraulic pipe assembly.

Background

With the continuous expansion of the demand of China on green energy, the construction of wind power generation becomes an important component. The normal exertion of the wind power hydraulic system is a basic premise for ensuring the effective operation of the whole wind power system. In the working process of the wind power hydraulic system, hydraulic oil is mainly used for transferring pressure, the hydraulic oil is generally conveyed by using a hydraulic pipe, and the oil supply end of a hydraulic element is generally connected with the hydraulic pipe by using a hydraulic pipe joint.

In the related art, the hydraulic pipe and the hydraulic pipe joint are usually connected by screw threads to achieve sealing engagement, and the hydraulic pipe often uses a soft pipeline to facilitate the twist adjustment of the setting direction.

To the correlation technique among the above-mentioned, the inventor thinks that in the hydraulic oil transportation process, hydraulic pressure pipe and hydraulic pressure union coupling all bear great oil pressure, and when soft hydraulic pressure pipe received the impact of hydraulic oil, easy production vibration caused hydraulic pressure pipe and hydraulic pressure union coupling not hard up, and then lead to hydraulic oil to take place the seepage.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability and the sealed effect of hydraulic pressure union coupling hydraulic pressure pipe, this application provides a hydraulic pressure pipe sealing joint for wind-powered electricity generation hydraulic pressure pipe assembly.

The application provides a hydraulic pressure pipe sealing joint for wind-powered electricity generation hydraulic pressure pipe assembly adopts following technical scheme:

a hydraulic pipe sealing joint for a wind power hydraulic pipe assembly comprises a fixed pipe fitting and a sealing pipe fitting, wherein the fixed pipe fitting is used for fixedly connecting the end part of a hydraulic pipe, the sealing pipe fitting is used for fixedly connecting the end part of the hydraulic pipe fitting, the fixed pipe fitting is in threaded connection with the sealing pipe fitting, and a limiting part for sealing and abutting of the sealing pipe fitting is fixedly sleeved on the outer side of the fixed pipe fitting;

the outside slip cover of fixed pipe fitting is equipped with first sealed closure, just first sealed closure slides and sets up the locating part deviates from one side of sealed pipe fitting, the outside fixed cover of sealed pipe fitting is equipped with and is used for sealed lock to connect the sealed closure of second of first sealed closure.

Through adopting above-mentioned technical scheme, operating personnel will fix pipe fitting and sealed pipe fitting threaded connection, make the sealed butt locating part of sealed pipe fitting, realize the preliminary sealing connection of hydraulic pressure pipe and hydraulic pressure union coupling, then slide first sealed closure joint second sealed closure and mutual sealed closure to further lock fixed pipe fitting and sealed pipe fitting, improve the connection leakproofness of fixed pipe fitting and sealed pipe fitting.

Optionally, the limiting part is set as a limiting ring, and the limiting ring faces the ring surface of the sealing pipe fitting and is provided with an annular groove for the sealing pipe fitting to be inserted and connected.

By adopting the technical scheme, after the sealing pipe fitting is connected with the fixed pipe fitting in a threaded manner, the sealing pipe fitting is inserted into the annular groove to form the plug-in seal, so that the connection sealing effect of the sealing pipe fitting and the fixed pipe fitting is improved.

Optionally, the inner wall of the ring groove is provided with a sealing ring gasket.

Through adopting above-mentioned technical scheme, sealed ring packing circumference butt sealed pipe fitting further improves the sealed effect that sealed pipe fitting card goes into the annular.

Optionally, the first sealing locking piece is set to be a sliding sleeve, the second sealing locking piece is set to be a fixed threaded sleeve, and the sliding sleeve is in threaded sleeve connection with the fixed threaded sleeve.

By adopting the technical scheme, after the sealing pipe fitting is in threaded connection with the fixed pipe fitting, an operator pushes the sliding sleeve to be connected with the fixed threaded sleeve and to be screwed mutually, the sliding sleeve locks the fixed threaded sleeve while pushing the limiting ring, the sliding sleeve and the fixed threaded sleeve form an effect of relatively pushing the fixed pipe fitting and the sealing pipe fitting, and the connection stability and the sealing effect of the hydraulic pipe and the hydraulic pipe joint are further improved.

Optionally, when the sealing pipe is in threaded connection with the fixed pipe and abuts against the annular groove, the fixed threaded sleeve abuts against the limiting ring, and the peripheral wall of the inner cylinder of the sliding sleeve abuts against the outer annular wall of the limiting ring.

By adopting the technical scheme, after the fixed threaded sleeve is relatively screwed into the sliding sleeve, the inner cylinder wall of the sliding sleeve is attached to the outer ring wall of the limiting ring and covers the fixed threaded sleeve, a sealing effect is formed between the fixed threaded sleeve and the limiting ring, and the joint sealing performance of the sealed pipe fitting and the fixed pipe fitting is further improved.

Optionally, a positioning insertion rod for inserting the outer wall of the fixed threaded sleeve is arranged on the outer cylinder wall of the sliding sleeve in a penetrating manner.

Through adopting above-mentioned technical scheme, operating personnel cup joints fixed swivel nut with the sliding sleeve screw thread after, with the outer wall of fixing the swivel nut of inserting the location inserted bar to form relative position location effect to sliding sleeve and fixed swivel nut, improve the stability that the fixed swivel nut is cup jointed to the sliding sleeve screw thread.

Optionally, a spring is sleeved on a rod wall of the positioning insertion rod, one end of the spring is fixedly connected with the outer cylinder wall of the sliding sleeve, and the other end of the spring is fixedly connected with the positioning insertion rod.

Through adopting above-mentioned technical scheme, the spring relies on self elasticity pulling location inserted bar to peg graft sliding sleeve and fixed swivel nut, is favorable to improving the stability of location inserted bar grafting sliding sleeve and fixed swivel nut.

Optionally, a positioning hook is hinged to the sliding sleeve, and a hook groove for hooking the positioning hook is formed in the fixing screw sleeve.

Through adopting above-mentioned technical scheme, operating personnel cup joints fixed swivel nut with the sliding sleeve screw thread after, with the location hook income correspond the hook groove to make location hook even sliding sleeve and fixed swivel nut, further improve the sliding sleeve and connect the stability of fixed swivel nut soon, make things convenient for the operating personnel dismouting.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sealing pipe fitting is in sealing butt joint with the limiting piece to form primary sealing connection of the hydraulic pipe and the hydraulic pipe joint, the first sealing locking piece and the second sealing locking piece are in sealing locking connection with each other, the fixing pipe fitting and the sealing pipe fitting are further locked, and the connection sealing performance of the fixing pipe fitting and the sealing pipe fitting is improved;

2. the spring pulls the positioning insertion rod to be inserted into the sliding sleeve and the fixed threaded sleeve by means of self elasticity, and stability of the positioning insertion rod to be inserted into the sliding sleeve and the fixed threaded sleeve is improved.

Drawings

Fig. 1 is a schematic structural diagram of an entirety of a hydraulic pipe, a hydraulic pipe joint, a fixed pipe fitting, a sealing pipe fitting, a sliding sleeve, and a fixed nut, which are used for embodying the embodiment of the present application.

FIG. 2 is a partial cross-sectional view of an embodiment of the present application for embodying a stop collar, seal ring gasket, locating bayonet and spring.

Reference number legend, 1, hydraulic tube; 2. a hydraulic pipe joint; 3. fixing the pipe fitting; 4. sealing the pipe fitting; 5. a limiting ring; 51. a ring groove; 52. a sealing ring gasket; 6. a sliding sleeve; 61. positioning holes; 62. a positioning hook; 7. fixing the threaded sleeve; 71. a butt joint hole; 72. a hook groove; 8. positioning the inserted rod; 81. a spring; 9. a fixed seat; 91. mounting a plate; 92. a flange plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a hydraulic pipe sealing joint for a wind power hydraulic pipe assembly. Referring to fig. 1, in the embodiment of the present application, a hydraulic pipe 1 and two hydraulic pipe joints 2 are taken as an example, a fixing seat 9 is disposed below the hydraulic pipe 1, two mounting plates 91 are longitudinally fixed on the fixing seat 9, the two mounting plates 91 are in one-to-one correspondence with the two hydraulic pipe joints 2, and the mounting plates 91 are in sealing connection with the corresponding hydraulic pipe joints 2 through flanges 92, so that subsequent hydraulic elements are conveniently mounted and the hydraulic pipe 1 is in sealing connection.

Referring to fig. 1 and 2, a hydraulic pipe sealing joint for a wind power hydraulic pipe assembly comprises a fixed pipe fitting 3 fixedly connected with the end of a hydraulic pipe 1 and a sealing pipe fitting 4 fixedly connected with the end of the hydraulic pipe joint 2 and far away from one end of a flange plate 92, wherein a limiting part is fixedly sleeved on the outer pipe wall of the fixed pipe fitting 3 and is arranged as a limiting ring 5, and meanwhile, the sealing pipe fitting 4 can be sleeved with a thread in the outer side of the fixed pipe fitting 3 to form sealing butt joint with the limiting ring 5.

Referring to fig. 2, the outer tube wall of the fixed tube 3 is slidably sleeved with a first sealing locking piece, the first sealing locking piece is arranged to be a sliding sleeve 6, the sliding sleeve 6 is slidably arranged on one side of the limiting ring 5 departing from the sealed tube 4, the outer tube wall of the sealed tube 4 is fixedly sleeved with a second sealing locking piece, the second sealing locking piece is arranged to be a fixed threaded sleeve 7, the sliding sleeve 6 can be sleeved on the outer wall of the fixed threaded sleeve 7 in a threaded manner, and meanwhile, the inner tube bottom wall of the sliding sleeve 6 and the fixed threaded sleeve 7 are relatively abutted against the limiting ring 5.

The operating personnel will fix pipe fitting 3 and 4 threaded connection of sealed pipe fitting, make 4 sealed butt spacing rings 5 of sealed pipe fitting, the preliminary sealing connection of hydraulic pressure pipe 1 and hydraulic pressure union coupling 2 realization this moment, then promote the fixed swivel nut 7 of sliding sleeve 6 joint and threaded connection to support tight spacing ring 5 relatively, sliding sleeve 6 and fixed swivel nut 7 form the effect of supporting relatively fixed pipe fitting 3 and sealed pipe fitting 4 this moment, thereby further locking fixed pipe fitting 3 and sealed pipe fitting 4, improve the connection leakproofness of fixed pipe fitting 3 and sealed pipe fitting 4 and the connection stability of hydraulic pressure pipe 1 and hydraulic pressure union coupling 2.

Referring to fig. 2, the ring surface of the limiting ring 5 facing the sealing pipe 4 is provided with a ring groove 51, the ring groove 51 is communicated with the outer pipe wall of the fixed pipe 3, the inner wall of the ring groove 51 is provided with a sealing ring pad 52, and the longitudinal section end of the sealing ring pad 52 is L-shaped and attached to the side wall of the ring groove 51 facing the fixed pipe 3 and the bottom wall of the ring groove facing the sealing pipe 4. After the sealing pipe fitting 4 is connected with the fixed pipe fitting 3 through the threads, the sealing pipe fitting 4 is inserted into the annular groove 51 to form a plug seal, and meanwhile, the sealing ring gasket 52 abuts against the end wall of the sealing pipe fitting 4 in the circumferential direction, so that the sealing effect of the sealing pipe fitting 4 after being clamped into the annular groove 51 and the fixed pipe fitting 3 is improved.

Referring to fig. 2, after the sealing pipe 4 is screwed to the fixing pipe 3 and abuts against the annular groove 51, the fixing threaded sleeve 7 abuts against the right annular surface of the limit ring 5, and the inner cylindrical peripheral wall of the sliding sleeve 6 abuts against the outer annular wall of the limit ring 5. At this time, the inner cylinder wall of the sliding sleeve 6 is attached to the outer ring wall of the limit ring 5 and covers the outer wall of the fixed threaded sleeve 7, a sealing effect is formed between the fixed threaded sleeve 7 and the limit ring 5, and the joint sealing performance of the sealing pipe fitting 4 and the fixed pipe fitting 3 is further improved.

Referring to fig. 2, the outer cylinder wall of the sliding sleeve 6 is provided with a positioning hole 61, the outer sleeve wall of the fixed screw sleeve 7 is provided with a butt joint hole 71, the outer cylinder wall of the sliding sleeve 6 is provided with a positioning insertion rod 8 at the positioning hole 61, the rod wall of the positioning insertion rod 8 is sleeved with a spring 81, one end of the spring 81 is fixedly connected with the outer cylinder wall of the sliding sleeve 6, and the other end of the spring 81 is fixedly connected with the top end of the positioning insertion rod 8. After an operator sleeves the sliding sleeve 6 with the fixed threaded sleeve 7 in a threaded manner, the spring 81 inserts the positioning insertion rod 8 into the butt joint hole 71 under the action of elastic contraction of the spring, so that a relative position positioning effect is formed for the sliding sleeve 6 and the fixed threaded sleeve 7, and the stability of the sliding sleeve 6 in the threaded manner and the fixed threaded sleeve 7 is improved.

Referring to fig. 1 and 2, a plurality of positioning hooks 62 are evenly hinged to the cylinder end wall of the sliding sleeve 6 facing the fixed threaded sleeve 7 in the circumferential direction, a plurality of hook grooves 72 are formed in the outer sleeve wall of the fixed threaded sleeve 7 in the circumferential direction, and the plurality of hook grooves 72 correspond to the plurality of positioning hooks 62 one by one and are used for the positioning hooks 62 to be hooked and fixed. After the operator connects the sliding sleeve 6 with the fixed swivel nut 7 in a threaded manner, the positioning hook 62 is hooked into the corresponding hook groove 72, so that the positioning hook 62 is hooked with the sliding sleeve 6 and the fixed swivel nut 7, the stability of the sliding sleeve 6 screwed with the fixed swivel nut 7 is further improved, and the disassembly and the assembly of the operator are facilitated.

The implementation principle of the hydraulic pipe sealing joint for the wind power hydraulic pipe assembly is as follows: after the two hydraulic pipe joints 2 are hermetically connected with the mounting plate 91 through the flange plate 92 by an operator, the two ends of the hydraulic pipe 1 are connected with the corresponding sealing pipe fittings 4 through the threads of the fixed pipe fittings 3, the sealing pipe fittings 4 are abutted to the annular grooves 51, then the sliding sleeve 6 is pushed to screw the corresponding fixed thread sleeves 7, the sliding sleeve 6 and the fixed thread sleeves 7 are relatively abutted against the limiting rings 5, at the moment, the positioning insertion rods 8 are inserted into the abutting holes 71 under the action of the springs 81, and finally the positioning hooks 62 are rotated to hook the corresponding hook grooves 72.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hydraulic pressure pipe sealing joint for wind-powered electricity generation hydraulic pressure pipe assembly which characterized in that: the hydraulic pipe joint comprises a fixed pipe fitting (3) and a sealing pipe fitting (4), wherein the fixed pipe fitting (3) is used for fixedly connecting the end part of a hydraulic pipe (1), the sealing pipe fitting (4) is used for fixedly connecting the end part of a hydraulic pipe joint (2), the fixed pipe fitting (3) is in threaded connection with the sealing pipe fitting (4), and a limiting piece for sealing and abutting of the sealing pipe fitting (4) is fixedly sleeved on the outer side of the fixed pipe fitting (3);

the outside slip cover of fixed pipe fitting (3) is equipped with first sealed closure, just first sealed closure slides and sets up the locating part deviates from one side of sealed pipe fitting (4), the outside fixed cover of sealed pipe fitting (4) is equipped with and is used for sealed lock to connect the sealed closure of second of first sealed closure.

2. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 1, characterized in that: the locating part sets up to spacing ring (5), just spacing ring (5) orientation the ring surface of sealed pipe fitting (4) is seted up and is supplied annular (51) that sealed pipe fitting (4) were pegged graft.

3. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 2, characterized in that: and a sealing ring gasket (52) is arranged on the inner wall of the annular groove (51).

4. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 2, characterized in that: the first sealed locking piece is arranged to be a sliding sleeve (6), the second sealed locking piece is arranged to be a fixed threaded sleeve (7), and the sliding sleeve (6) is in threaded sleeve connection with the fixed threaded sleeve (7).

5. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 4, characterized in that: when the sealing pipe fitting (4) is in threaded connection with the fixed pipe fitting (3) and is abutted against the annular groove (51), the fixed threaded sleeve (7) is abutted against the limiting ring (5), and the peripheral wall of the inner cylinder of the sliding sleeve (6) is abutted against the outer annular wall of the limiting ring (5).

6. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 4, characterized in that: and a positioning insertion rod (8) used for inserting the outer wall of the fixed threaded sleeve (7) is arranged on the outer cylinder wall of the sliding sleeve (6) in a penetrating manner.

7. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 6, characterized in that: the rod wall of the positioning inserted rod (8) is sleeved with a spring (81), one end of the spring (81) is fixedly connected with the outer cylinder wall of the sliding sleeve (6), and the other end of the spring is fixedly connected with the positioning inserted rod (8).

8. The hydraulic pipe sealing joint for the wind power hydraulic pipe assembly according to claim 4, characterized in that: the sliding sleeve (6) is hinged with a positioning hook (62), and the fixed thread sleeve (7) is provided with a hook groove (72) for hooking the positioning hook (62).