CN214789646U

CN214789646U - Hydraulic pipe leakage-proof joint for wind power hydraulic pipe assembly

Info

Publication number: CN214789646U
Application number: CN202121213750.9U
Authority: CN
Inventors: 吴缪宏; 吴爱青; 张斌; 李金祥
Original assignee: Nanjing Xinmudike Hydraulic Technology Co ltd
Current assignee: Nanjing Xinmudike Hydraulic Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-19
Anticipated expiration: 2031-06-01

Abstract

The application relates to a hydraulic pressure pipe leak protection joint for wind-powered electricity generation hydraulic pressure pipe assembly, it includes go-between, connecting pipe, fixed pipe and seal assembly, the one end of connecting pipe is connected on the go-between, fixed pipe box is established on the connecting pipe, seal assembly connects on the pipe wall of fixed pipe, and seal assembly supports tightly on the anchor ring of go-between. Earlier in this application fix the pipe box on hydraulic hose, then will fix pipe and hydraulic hose cover on the connecting pipe, and the equal butt of one end of fixed pipe and hydraulic hose is on the side of go-between, recycle the withhold machine will fix a tub lock on the connecting pipe, thereby hydraulic hose is fixed between connecting pipe and fixed pipe, install seal assembly in the junction of fixed pipe and go-between at last, it is not hard up to have to avoid hydraulic hose to produce after receiving the impact of hydraulic oil, prevent the effect that hydraulic oil leaked.

Description

Hydraulic pipe leakage-proof joint for wind power hydraulic pipe assembly

Technical Field

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

Background

The hydraulic pipe joint is a part used for connecting two high-pressure oil pipes in a hydraulic system, and can be divided into a high-pressure ball valve, a quick joint, a rotary pipe joint and the like. The hydraulic pipe joint is generally connected with a hydraulic rubber pipe, and the position relation between hydraulic elements is adapted by the flexibility of the hydraulic rubber pipe.

Chinese patent No. CN107956948A, granted in the related art, discloses a hydraulic pipe joint, which includes a first pipe body and a second pipe body, wherein one end of the first pipe body is provided with a first threaded body coaxially disposed, a first inner diameter is disposed in the first pipe body, a side wall of the first pipe body is connected to one end of the second pipe body, the other end of the second pipe body is provided with a second threaded body coaxially disposed, a second inner diameter is disposed in the second pipe body, and the first inner diameter is communicated with the second inner diameter.

In view of the above-mentioned related art, the inventor thinks that through the screw thread on the hydraulic pressure coupling and the hydraulic pressure hose threaded connection, in the hydraulic oil return circuit, hydraulic pressure has very big pressure to hydraulic pressure hose and hydraulic pressure coupling, after long-term use, because the texture of hydraulic pressure hose is soft, hydraulic pressure hose and hydraulic pressure coupling are easy to take place to become flexible, lead to the hydraulic pressure leakage, and this problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to fix hydraulic hose on the hydraulic pressure pipe connector, prevent that hydraulic oil from leaking, this application provides a hydraulic pressure pipe leak protection joint for wind-powered electricity generation hydraulic pressure pipe assembly.

The application provides a hydraulic pressure pipe leak protection connects for wind-powered electricity generation hydraulic pressure pipe assembly adopts following technical scheme:

the utility model provides a hydraulic pressure pipe leak protection connects for wind-powered electricity generation hydraulic pressure pipe assembly, includes go-between, connecting pipe, fixed pipe and seal assembly, the one end of connecting pipe links to each other with the go-between, fixed pipe box is established on the connecting pipe, seal assembly connects the one end at fixed pipe, and seal assembly supports tightly on the anchor ring of go-between.

By adopting the technical scheme, when the hydraulic hose is installed, the fixing pipe is firstly sleeved on the hydraulic hose, then the fixing pipe and the hydraulic hose are sleeved on the connecting pipe, one ends of the fixing pipe and the hydraulic hose are abutted against the side surface of the connecting ring, then the fixing pipe is buckled on the connecting pipe by using the buckling and pressing machine, so that the hydraulic hose is fixed between the connecting pipe and the fixing pipe, and finally the sealing assembly is installed at the connecting part of the fixing pipe and the connecting ring; the hydraulic hose is prevented from loosening after being impacted by hydraulic oil, and leakage of the hydraulic oil is prevented.

Optionally, seal assembly includes two arc splint, fixing bolt, sealing strip and sealed ring piece, two the one end of arc splint is articulated mutually, two the other end of arc splint passes through fixing bolt fixed connection, the sealing strip is connected on the inner wall of arc splint, sealed ring piece is connected on the outer pipe wall that fixed pipe is close to go-between one end, and sealed ring piece is all unanimous to the distance of fixed pipe one end, the width of arc splint and the width of sealing strip.

By adopting the technical scheme, the fixing bolt is unscrewed, the arc-shaped clamping plate is sleeved on the fixing pipe and is positioned between the connecting ring and the sealing ring block, and then the fixing bolt is screwed down, so that the surface of the sealing strip is tightly propped against the outer pipe wall of the fixing pipe, and the side surface of the sealing strip is tightly propped against the side surface of the connecting ring; the sealing performance between the fixed pipe and the connecting ring is improved, and the leakage of hydraulic oil is further prevented.

Optionally, the inner pipe wall of the fixed pipe is provided with a plurality of first convex rings along the length direction thereof, the outer pipe wall of the connecting pipe is provided with a plurality of second convex rings along the length direction thereof, and the first convex rings are located between two adjacent second convex rings.

By adopting the technical scheme, the first convex ring and the second convex ring are matched for use, so that the firmness of connection between the hydraulic hose and the hydraulic pipe joint is improved; the contact area of the fixed pipe of hydraulic hose has been increased in the setting of first bulge loop, and the contact area of hydraulic hose and connecting pipe has been increased in the setting of second bulge loop, has improved the leakproofness of hydraulic hose and hydraulic pressure coupling.

Optionally, a first fillet is arranged on the ring surface of the first convex ring close to the connecting pipe, and a second fillet is arranged on the ring surface of the second convex ring close to the fixed pipe.

Through adopting above-mentioned technical scheme, when utilizing the buckler with fixed pipe lock on the connecting pipe, the setting of first fillet and second fillet is favorable to reducing the extrusion wearing and tearing of first bulge loop and second bulge loop to hydraulic hose's life has been increased.

Optionally, the limiting device further comprises a plurality of groups of limiting assemblies, each limiting assembly comprises a limiting block and a limiting ring, the limiting blocks are connected to the annular surface of the corresponding first convex ring, the limiting rings are connected to the pipe wall of the corresponding connecting pipe and located between the adjacent second convex rings, and the limiting blocks are located in the limiting rings.

By adopting the technical scheme, when the fixed pipe is buckled on the connecting pipe by the buckling machine, the limiting block is embedded into the limiting ring, so that the hydraulic hose is fixed between the limiting block and the limiting ring; the fastness of being connected of hydraulic hose and hydraulic pressure coupling has further been strengthened in the cooperation of stopper and spacing collar.

Optionally, the outer pipe wall of the fixed pipe is provided with a buckling convex ring, the inner pipe wall of the fixed pipe is provided with a buckling annular groove, and the first convex rings are connected in the buckling annular groove.

Through adopting above-mentioned technical scheme, when utilizing the machine of withholding to fix the pipe lock on the connecting pipe, the machine of withholding extrudees and withholds the bulge loop to will withhold the annular and flatten, prevent that the machine of withholding from extruding the outer pipe wall of fixed pipe into the indent, can also increase the area of contact of fixed pipe and hydraulic hose, further strengthened hydraulic hose and hydraulic hose nipple connected's fastness.

Optionally, a positioning block is arranged on the inner pipe wall of the fixed pipe close to the connection ring, and a positioning groove matched with the positioning block is arranged on the outer pipe wall of the connection pipe.

Through adopting above-mentioned technical scheme, when will fix the pipe box on the connecting pipe, the setting of locating piece and constant head tank is favorable to butting stopper and spacing collar to the efficiency of hydraulic hose installation has been improved.

Optionally, an anticorrosive layer is arranged on the inner pipe wall of the connecting pipe.

Through adopting above-mentioned technical scheme, hydraulic oil has certain corrosivity, and the setting of anticorrosive coating is favorable to reducing the corruption of hydraulic oil to the pipe wall in the connecting pipe to the life of connecting pipe has been increased.

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

1. when the hydraulic hose is installed, the fixed pipe is firstly sleeved on the hydraulic hose, then the fixed pipe and the hydraulic hose are sleeved on the connecting pipe, the fixed pipe is buckled on the connecting pipe by using the buckling press, and finally the sealing assembly is installed at the connecting part of the fixed pipe and the connecting ring, so that the hydraulic hose is prevented from being loosened after being impacted by hydraulic oil, and the leakage of the hydraulic oil is prevented;

2. due to the arrangement of the sealing assembly, the sealing performance between the fixed pipe and the connecting ring is improved, and the leakage of hydraulic oil is further prevented;

3. the first convex ring is matched with the second convex ring for use, so that the firmness of connection of the hydraulic hose and the hydraulic pipe joint is improved.

Drawings

Fig. 1 is a schematic structural view for embodying the entirety.

Fig. 2 is a schematic structural view for embodying the seal assembly.

Fig. 3 is a schematic sectional view for embodying the whole.

Description of reference numerals: 1. a connecting ring; 2. a connecting pipe; 21. a second convex ring; 211. a second rounded corner; 22. positioning a groove; 3. a fixed tube; 31. buckling the convex ring; 32. buckling and pressing the ring groove; 33. a first convex ring; 331. a first rounded corner; 34. positioning blocks; 4. a seal assembly; 41. an arc-shaped splint; 42. fixing the bolt; 43. a sealing strip; 44. a sealing ring block; 45. an end plate; 5. a limiting component; 51. a limiting block; 52. a limiting ring; 6. and (4) an anticorrosive layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hydraulic pressure pipe leak protection joint for wind-powered electricity generation hydraulic pressure pipe assembly.

Referring to fig. 1 and 2, the hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly comprises a connecting ring 1, a connecting pipe 2, a fixed pipe 3, a sealing component 4 and three groups of limiting components 5, wherein one end of the connecting pipe 2 is fixedly connected to the side surface of the connecting ring 1, the fixed pipe 3 is sleeved on the connecting pipe 2, the sealing component 4 is fixedly connected to one end of the fixed pipe 3, the sealing component 4 is abutted against the side surface of the connecting ring 1, and the three groups of limiting components 5 are connected between the connecting pipe 2 and the fixed pipe 3; when installation hydraulic pressure hose, earlier with fixed 3 covers on hydraulic pressure hose of pipe, then will fix 3 and hydraulic pressure hose covers on connecting pipe 2 of pipe, and the equal butt of one end of fixed pipe 3 and hydraulic pressure hose is on the side of go-between 1, recycle withhold machine will fix 3 locks of pipe on connecting pipe 2, thereby hydraulic pressure hose is fixed between connecting pipe 2 and fixed pipe 3, install seal assembly 4 at the junction of fixed pipe 3 and go-between 1 at last, the fastness that hydraulic pressure hose and hydraulic pressure union coupling are connected has been strengthened to spacing subassembly 5.

Referring to fig. 2, a buckling ring 31 is arranged on the outer wall of the fixed pipe 3, a buckling ring groove 32 is arranged on the inner wall of the fixed pipe 3, the buckling ring 31 and the buckling ring groove 32 are arranged oppositely, four second convex rings 21 are arranged on the outer wall of the connecting pipe 2 along the length direction of the outer wall, the four second convex rings 21 are uniformly distributed, two second round corners 211 are arranged on the ring surface of the second convex ring 21 close to the fixed pipe 3, three first convex rings 33 are arranged on the inner wall of the fixed pipe 3 along the length direction of the inner wall, the three first convex rings 33 are uniformly distributed in the buckling ring groove 32, the first convex rings 33 are located between the two adjacent second convex rings 21, and two first round corners 331 are arranged on the ring surface of the first convex rings 33 close to the connecting pipe 2; a positioning block 34 is arranged on the inner pipe wall of the fixed pipe 3 close to the connecting ring 1, and a positioning groove 22 matched with the positioning block 34 is arranged on the outer pipe wall of the connecting pipe 2; when installing the hydraulic hose, earlier fix pipe 3 cover on the hydraulic hose for the one end butt of hydraulic hose is on the side of locating piece 34, then fix pipe 3 and hydraulic hose cover on connecting pipe 2, insert locating piece 34 in the constant head tank 22 again, utilize the machine of withholding to buckle fixed pipe 3 on connecting pipe 2 at last, the machine extrusion of withholding is withheld bulge loop 31, and will withhold annular 32 and flatten, first bulge loop 33 is located between two adjacent second bulge loops 21, thereby accomplish the installation of hydraulic hose.

Referring to fig. 2, the limiting assembly 5 includes two limiting blocks 51 and two limiting rings 52, the two limiting blocks 51 are relatively and fixedly connected to the annular surface of the first convex ring 33, the two limiting rings 52 are relatively and fixedly connected to the outer pipe wall of the connecting pipe 2 and located between the adjacent second convex rings 21, and the limiting blocks 51 are located in the limiting rings 52; when the fastening pipe 3 is fastened on the connecting pipe 2 by using the fastening machine, the limit block 51 is embedded into the limit ring 52, so that the hydraulic hose is fixed between the limit block 51 and the limit ring 52.

Referring to fig. 2, an anticorrosive layer 6 is provided on the inner pipe wall of the connecting pipe 2; the arrangement of the anticorrosive coating 6 is beneficial to reducing the corrosion of the hydraulic oil to the inner pipe wall of the connecting pipe 2, thereby prolonging the service life of the connecting pipe 2.

Referring to fig. 1 and 3, the sealing assembly 4 includes two arc-shaped clamping plates 41, a fixing bolt 42, a sealing strip 43 and a sealing ring block 44, wherein one ends of the two arc-shaped clamping plates 41 are hinged to each other, an end plate 45 extends from the other end of the two arc-shaped clamping plates 41, the two end plates 45 are fixedly connected through the fixing bolt 42, the sealing strip 43 is fixedly connected to the inner wall of the arc-shaped clamping plate 41, the sealing ring block 44 is fixedly connected to the outer wall of the fixing pipe 3 close to the connecting ring 1, and the distance from the sealing ring block 44 to one end of the fixing pipe 3, the width of the arc-shaped clamping plate 41 and the width of the sealing strip 43 are all the same; the fixing bolt 42 is loosened, the arc-shaped clamping plate 41 is sleeved on the fixing pipe 3 and is positioned between the connecting ring 1 and the sealing ring block 44, and then the fixing bolt 42 is tightened, so that the surface of the sealing strip 43 is tightly propped against the outer pipe wall of the fixing pipe 3, and the side surface of the sealing strip 43 is tightly propped against the side surface of the connecting ring 1.

The implementation principle of the hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly is as follows: when the hydraulic hose is installed, the fixed pipe 3 is firstly sleeved on the hydraulic hose, so that one end of the hydraulic hose is abutted against the side face of the positioning block 34, then the fixed pipe 3 and the hydraulic hose are sleeved on the connecting pipe 2, then the positioning block 34 is inserted into the positioning groove 22, finally the fixed pipe 3 is buckled on the connecting pipe 2 by using a buckling and pressing machine, the buckling and pressing convex ring 31 is extruded by the buckling and pressing machine, the buckling and pressing ring groove 32 is flattened, the first convex ring 33 is positioned between two adjacent second convex rings 21, the limiting block 51 is embedded into the limiting ring 52, so that the hydraulic hose is fixed between the limiting block 51 and the limiting ring 52, the fixing bolt 42 is unscrewed, the arc-shaped clamping plate 41 is sleeved on the fixed pipe 3 and positioned between the connecting ring 1 and the sealing ring block 44, then the fixing bolt 42 is screwed, so that the surface of the sealing strip 43 is abutted against the outer pipe wall of the fixed pipe 3, and the side face of the sealing strip 43 is abutted against the side face of the connecting ring 1, thereby completing the installation of the hydraulic hose.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 leak protection connects for wind-powered electricity generation hydraulic pressure pipe assembly which characterized in that: including go-between (1), connecting pipe (2), fixed pipe (3) and seal assembly (4), the one end of connecting pipe (2) links to each other with go-between (1), fixed pipe (3) cover is established on connecting pipe (2), seal assembly (4) are connected in the one end of fixed pipe (3), and seal assembly (4) support tightly on the anchor ring of go-between (1).

2. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 1, characterized in that: seal assembly (4) include two arc splint (41), fixing bolt (42), sealing strip (43) and seal ring piece (44), two the one end of arc splint (41) is articulated mutually, two the other end of arc splint (41) passes through fixing bolt (42) fixed connection, sealing strip (43) are connected on the inner wall of arc splint (41), seal ring piece (44) are connected on fixed pipe (3) are close to the outer pipe wall of go-between (1) one end, and seal ring piece (44) are all unanimous to the distance of fixed pipe (3) one end, the width of arc splint (41) and the width of sealing strip (43).

3. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 1, characterized in that: the inner pipe wall of the fixed pipe (3) is provided with a plurality of first convex rings (33) along the length direction, the outer pipe wall of the connecting pipe (2) is provided with a plurality of second convex rings (21) along the length direction, and the first convex rings (33) are positioned between two adjacent second convex rings (21).

4. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 3, characterized in that: the first convex ring (33) is provided with a first round angle (331) on the ring surface close to the connecting pipe (2), and the second convex ring (21) is provided with a second round angle (211) on the ring surface close to the fixed pipe (3).

5. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 3, characterized in that: still include a plurality of spacing subassemblies of group (5), spacing subassembly (5) include stopper (51) and spacing collar (52), stopper (51) are connected on the anchor ring of first bulge loop (33), spacing collar (52) are connected on the pipe wall of connecting pipe (2), and are located between adjacent second bulge loop (21), stopper (51) are located spacing collar (52).

6. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 3, characterized in that: the outer pipe wall of the fixed pipe (3) is provided with a buckling convex ring (31), the inner pipe wall of the fixed pipe (3) is provided with a buckling annular groove (32), and the first convex rings (33) are connected in the buckling annular groove (32).

7. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 1, characterized in that: the inner pipe wall of the fixed pipe (3) close to the connecting ring (1) is provided with a positioning block (34), and the outer pipe wall of the connecting pipe (2) is provided with a positioning groove (22) matched with the positioning block (34).

8. The hydraulic pipe leakage-proof joint for the wind power hydraulic pipe assembly according to claim 1, characterized in that: and an anticorrosive layer (6) is arranged on the inner pipe wall of the connecting pipe (2).