CN219120049U

CN219120049U - Steel ball type pipeline guiding device

Info

Publication number: CN219120049U
Application number: CN202223575532.7U
Authority: CN
Inventors: 金政; 吴长林; 黄文军; 熊利; 曹远付
Original assignee: Yibin Sanjiang Machinery Co Ltd
Current assignee: Yibin Sanjiang Machinery Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a steel ball type pipeline guiding device. The technical proposal comprises: the steel ball type pipeline guiding device comprises a connecting shaft assembly, a connecting sleeve assembly, a nozzle sleeve assembly and an installation shaft, wherein the connecting sleeve assembly is installed at the bottom end of the connecting shaft assembly, the connecting shaft assembly is connected with the nozzle sleeve assembly through a pipeline, the connecting sleeve assembly is connected with the installation shaft through a pipeline, steel ball grooves are formed in the matching surfaces of any two of the connecting shaft assembly, the connecting sleeve assembly, the nozzle sleeve assembly and the installation shaft, and steel balls are installed in the steel ball grooves. The utility model ensures that the product can smoothly rotate without leakage, and the hard bent pipe is used for connection, so that the utility model can bear higher pressure than a hose, has stronger deformability than a hard straight pipe, and prolongs the service life of the product.

Description

Steel ball type pipeline guiding device

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a steel ball type pipeline guiding device.

Background

On the original aircraft landing gear, the pipeline connection is usually connected by using a hose, because of the high-strength work of the aircraft landing gear, the pipeline breakage and leakage occur at the moment, the hard pipe cannot ensure that the pipeline cannot deform and break when the landing gear takes off and land, so that the pipeline guiding device capable of being used on the aircraft landing gear is quite necessary, the common guiding device is a common rotating connector, the rotating connector generally uses a plug pin type structure in the limiting aspect, the torque requirement of the current aircraft on the rotation of the pipeline guiding rotating connector is higher and higher, and the steel ball type pipeline guiding device becomes better choice.

Disclosure of Invention

The utility model provides a steel ball type pipeline guide device, which solves the technical problems.

The scheme for solving the technical problems is as follows:

the steel ball type pipeline guiding device comprises a connecting shaft assembly, a connecting sleeve assembly, a nozzle sleeve assembly and an installation shaft, wherein the connecting sleeve assembly is installed at the bottom end of the connecting shaft assembly, the connecting shaft assembly is connected with the nozzle sleeve assembly through a pipeline, the connecting sleeve assembly is connected with the installation shaft through a pipeline, steel ball grooves are formed in the matching surfaces of any two of the connecting shaft assembly, the connecting sleeve assembly, the nozzle sleeve assembly and the installation shaft, and steel balls are installed in the steel ball grooves.

The beneficial effects of the utility model are as follows: the sealing structure is compact, and a standard sealing structure and a sealing piece are used; the rotation is reliable: the double-steel ball type rotating mechanism is adopted, so that the rotating moment is smaller, and the rotation is more flexible; the single revolute pair has a play amount of about 0.3 through clearance fit between the steel ball and the steel ball groove and is used for absorbing stretching and deformation of the landing gear when the landing gear is lifted; the revolute pairs are connected by the bent pipe, so that deformation caused by impact during lifting can be further absorbed, and a good guiding effect is achieved for the pipeline.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connecting shaft assembly is formed by welding a rotating shaft and an elbow.

The beneficial effects of adopting the further scheme are as follows: when the aircraft is landing, the bent pipe can absorb deformation caused by impact, so that the reliability of the product is further improved.

Further, the connecting sleeve assembly is formed by welding a sleeve and an elbow.

The beneficial effects of adopting the further scheme are as follows: the connecting shaft assembly and the connecting sleeve assembly are provided with oil inlets and oil outlets with the same quantity, the oil outlets of the connecting shaft assembly are connected with the oil inlets of the pipelines of the connecting sleeve assembly, and the rotating shaft of the connecting shaft assembly is adjacent to the inner hole of the connecting sleeve assembly and is in clearance fit.

Further, two sealing rings and protection rings are arranged at the connecting channels of any two of the connecting shaft assembly, the connecting sleeve assembly, the nozzle sleeve assembly and the mounting shaft.

The beneficial effects of adopting the further scheme are as follows: the reliability is improved.

Further, the steel ball is arranged in the steel ball groove in a limiting mode through a screw.

The beneficial effects of adopting the further scheme are as follows: the steel ball plays an axial limiting role.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a front view of the present utility model;

fig. 2 is an enlarged schematic view of fig. 1 a according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a connecting shaft assembly; 2. a connecting sleeve assembly; 3. a nozzle sleeve assembly; 4. a mounting shaft; 5. a screw; 6. a seal ring; 7. a protective ring; 8. and (3) a steel ball.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

Referring to fig. 1 to 2, an embodiment of the present utility model is as follows:

example 1

The utility model provides a steel ball formula pipeline guider, including connecting axle subassembly 1, adapter sleeve subassembly 2, nozzle cover subassembly 3 and installation axle 4, the product is along with landing gear dolly motion, the connection structure contained angle is between 30 ~ 120, guarantee under the various operating modes of aircraft (take off, the landing gear is packed up, the landing gear is put down), the effect of pipeline direction can all be played to the product, connecting axle subassembly 1 comprises pivot and return bend welding, connecting axle subassembly 2 is installed to the bottom of connecting axle subassembly 1, connecting axle subassembly 1 is equipped with oil inlet and the unanimous oil-out of quantity on adapter sleeve subassembly 2, connecting axle subassembly 1 oil-out connects adapter sleeve subassembly 2 pipeline oil inlet, the pivot of connecting axle subassembly 1 is adjacent with the hole of adapter sleeve subassembly 2, and adopt clearance fit, adapter sleeve subassembly 2 is by sleeve and return bend welding to constitute, when the aircraft is in the landing, use the return bend can absorb the deformation that the impact brought, further promote the product reliability, connecting axle subassembly 1 has nozzle cover subassembly 3 through the pipe connection, nozzle cover subassembly 3 comprises sleeve and tightening nut for connecting the no nozzle on the landing gear dolly, nozzle cover subassembly 3 is connected with brake system on the dolly, the pivot is adjacent with the pivot on the axle subassembly 1, and adopts clearance fit with the nozzle.

The connecting sleeve assembly 2 is connected with the mounting shaft 4 through a pipeline, the mounting shaft 4 is arranged below the connecting sleeve assembly 2 and is provided with lugs and bolt holes, the mounting shaft 4 is used for being fixed on a hydraulic structure of the wheel edge of the landing gear of the aircraft, an oil inlet of the mounting shaft 4 adopts a flaring-free nozzle and is used for connecting a hydraulic pipeline oil outlet of the wheel edge, a rotating shaft of the mounting shaft 4 is adjacent to an inner hole of the connecting sleeve assembly 2 and is in clearance fit, steel ball grooves are formed in the connecting surfaces of any two of the connecting shaft assembly 1, the connecting sleeve assembly 2, the nozzle sleeve assembly 3 and the mounting shaft 4, steel ball grooves are formed in the steel ball grooves, a certain axial movement compensation amount is formed in the steel ball grooves, the steel ball grooves are used for absorbing the influence of the installation tolerance caused by the installation and the axial displacement caused by the trolley during the taking off and landing of the aircraft, the steel ball 8 plays a role of axial limiting, high-low temperature lubricating grease is smeared on the matching surfaces of the steel ball 8 and the steel ball grooves, the rotating pair torque is further reduced, the steel ball 8 is not easy to generate clamping stagnation during rotation, the steel ball 8 is limited and is arranged in the steel ball grooves through bolts 5, two protection channels of any two of the connecting shaft assembly 1, the connecting sleeve assembly 2, the connecting sleeve assembly 3 and the mounting shaft 4 are provided with two

protection rings

6 and 6, 7-6 are arranged at the protection rings, 6 and 6 are designed according to the protection rings, and 6-6 are, and sealing rings are improved in the reliability.

A steel ball type pipeline guide based on embodiment 1, when in use: the sealing structure is compact, and a standard sealing structure and a sealing piece are used; the rotation is reliable: the double steel ball 8-type rotating mechanism is adopted, so that the rotating moment is smaller, and the rotation is more flexible; the single revolute pair has a play amount of about 0.3 through clearance fit between the steel ball 8 and the steel ball groove and is used for absorbing the stretching and deformation of the landing gear during lifting; the revolute pairs are connected by the bent pipe, so that deformation caused by impact during lifting can be further absorbed, and a good guiding effect is achieved for the pipeline.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. A steel ball type pipeline guiding device is characterized in that: including connecting axle subassembly (1), adapter sleeve subassembly (2), nozzle cover subassembly (3) and installation axle (4), adapter sleeve subassembly (2) are installed to the bottom of connecting axle subassembly (1), connecting axle subassembly (1) have nozzle cover subassembly (3) through the pipe connection, adapter sleeve subassembly (2) have installation axle (4) through the pipe connection, the mating surface department of arbitrary two in connecting axle subassembly (1), adapter sleeve subassembly (2), nozzle cover subassembly (3) and installation axle (4) is equipped with the steel ball groove, and installs steel ball (8) in the steel ball groove.

2. The steel ball type pipeline guide device according to claim 1, wherein: the connecting shaft assembly (1) is formed by welding a rotating shaft and an elbow.

3. The steel ball type pipeline guide device according to claim 1, wherein: the connecting sleeve assembly (2) is formed by welding a sleeve and an elbow.

4. The steel ball type pipeline guide device according to claim 1, wherein: two sealing rings (6) and a protection ring (7) are arranged at the connecting channel of any two of the connecting shaft assembly (1), the connecting sleeve assembly (2), the nozzle sleeve assembly (3) and the mounting shaft (4).

5. The steel ball type pipeline guide device according to claim 1, wherein: the steel ball (8) is arranged in the steel ball groove in a limiting way through the screw (5).