CN213420241U

CN213420241U - Pipeline connecting device for high-pressure kerosene seal comprehensive tester

Info

Publication number: CN213420241U
Application number: CN202021761487.2U
Authority: CN
Inventors: 安军; 付云飞; 安晓书; 姜娅薇; 王素英
Original assignee: Guizhou Yaheng Automation Technology Co ltd
Current assignee: Xiamen Shockley Energy Technology Co., Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-11
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a pipeline connecting device for high pressure kerosene seals combined test ware belongs to aeroengine tester technical field, including the sleeve pipe, two annular pieces of intraductal fixedly connected with of sleeve, equal horizontal fixedly connected with connecting pipe in two annular pieces, both ends mouth of pipe department all sets up jaggedly about the sheathed tube, one side and the sheathed tube top tube wall intercommunication of breach, has cup jointed circlip on the pipe wall of connecting pipe, and the incision has been seted up to circlip's one side, and sliding connection has first fixed plate and second fixed plate in the breach, the lower extreme of first fixed plate and second fixed plate all with circlip's upper end fixed connection. The utility model discloses, leakproofness and durability when effectively increasing the pipe connection device connecting tube avoid taking place to leak the pressure that changes in the pipe system to pipe connection device's locking dynamics can be adjusted according to pipe system's pressure.

Description

Pipeline connecting device for high-pressure kerosene seal comprehensive tester

Technical Field

The utility model relates to an aeroengine tester technical field especially relates to a high pressure kerosene seals pipeline connecting device for combined test ware.

Background

An aircraft engine is a highly complex and precise thermal machine, as the heart of an aircraft, an oil accessory used on the aircraft engine is one of the most main accessories on the aircraft engine, a sufficient amount of lubricating oil is provided for the whole engine through an engine-driven oil pump to ensure the normal lubricating requirement of the engine, the oil pump used on the aircraft engine is a component which is finely processed and has a complex manufacturing process, and strict tests are required on a test bench when the aircraft engine leaves a factory, the current tester for testing the oil accessory is composed of an oil supply system, an electric transmission system, an air system, a measuring system (flow/pressure/temperature/rotating speed measurement), a power supply system, a control system, an equipment layout pipeline system and the like, wherein the pipeline system is a main connecting component for connecting the oil supply system, the measuring system and the tested accessories, in particular, a pipe connection device for connecting a tested accessory is required to have not only good sealing performance but also quick disassembly and assembly performance.

At present, although the connecting device for connecting a pipeline system and an experimental accessory can realize a pipeline for a quick connection test, the sealing performance of the connecting device is poor, so that the leakage phenomenon easily occurs at a joint, and further the pressure in the pipeline cannot reach a design value, and the error of a test result occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that its leakproofness is relatively poor after the pipe connection device connects, results in joint department to appear the seepage phenomenon easily, and then leads to the unable design value that reaches of pressure in the pipeline, leads to the problem that the test result error appears, and the pipe connection device for high pressure kerosene seal combined test ware that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pipeline connecting device for high pressure kerosene seals combined test ware, includes the sleeve pipe, two annular blocks of the intraductal fixedly connected with of sleeve, two equal horizontal fixedly connected with connecting pipe in the annular block, both ends pipe orifice department all sets up jaggedly about the sheathed tube, one side and sheathed tube top tube wall intercommunication of breach, the snap ring has been cup jointed on the pipe wall of connecting pipe, the incision has been seted up to snap ring's one side, sliding connection has first fixed plate and second fixed plate in the breach, the lower extreme of first fixed plate and second fixed plate all with snap ring's upper end fixed connection, the right angle breach has been seted up to the upper end of first fixed plate, logical groove has been seted up to the upper end of second fixed plate, it has fixed establishment to lead to the inslot connection.

Preferably, fixed establishment includes the dead lever of sliding connection in leading to the inslot, the both sides pole wall that the dead lever is relative all rotates with the both sides that lead to the inslot respectively through the pivot and is connected, the mounting groove has been seted up to the upper end of dead lever, the both sides that the mounting groove is relative communicate with the both sides that the dead lever is relative respectively, the transmission shaft has been cup jointed through the round hole slip in the mounting groove, round hole and fixedly connected with eccentric wheel are all passed at the both ends of transmission shaft, lie in the mounting groove fixedly connected with brake lever on the pole wall of transmission shaft, the arc wall has been seted up to one side.

Preferably, the pipe wall of the connecting pipe is fixedly connected with a plurality of anti-backing rings which are uniformly distributed, the pipe wall of the connecting pipe is fixedly connected with a plurality of rubber rings, and the rubber rings are positioned between every two adjacent anti-backing rings.

Preferably, one side of the notch on the elastic snap ring is fixedly connected with an elastic plate with an arc structure, and the other side of the notch is provided with a notch matched with the elastic plate.

Preferably, an arc-shaped chamfer is arranged on the outer edge of the pipe orifice at one end of the connecting pipe, which is far away from the annular block.

Compared with the prior art, the utility model provides a high pressure kerosene seals pipeline connecting device for combined test ware possesses following beneficial effect:

1. the pipeline connecting device for the high-pressure kerosene seal comprehensive tester is characterized in that an elastic snap ring is arranged and sleeved on a test hose, then, a tool is used for opening the first fixing plate and the second fixing plate to increase the diameter of the elastic snap ring, then the elastic snap ring and the test hose are inserted into the connecting pipe together, then the tool is loosened to reset the elastic snap ring, the test hose can be extruded to be tightly contacted with the anti-backing ring and the rubber ring when the elastic snap ring is reset, thereby being capable of rapidly connecting the test hose with the tested accessory, and the check ring can limit the force of the elastic snap ring for tightening and extruding the rubber ring, thereby avoiding the accelerated damage of the sealing element on the pipeline connecting device, meanwhile, the elastic plate arranged on the elastic clamping ring can be matched with the elastic clamping ring, so that dead angles do not exist when the hose is tightly extruded by the pipeline connecting device, and the sealing performance and the durability of the pipeline connecting device when the pipeline connecting device is connected with a pipeline are effectively improved.

2. This pipeline connecting device for high pressure kerosene seals combined test machine, dead lever through being equipped with, with the hand pulling dead lever around the pivot swing, swing back dead lever and the right angle breach joint on the first fixed plate, then pull the brake lever with the hand and make the transmission shaft rotatory, drive the eccentric wheel pivot when the transmission shaft is rotatory, can make the distance between first fixed plate and the second fixed plate reduce through the change of eccentric distance when the eccentric wheel rotates, thereby can effectually increase the shrink dynamics of snap ring, leakproofness when making the connecting device connecting tube is stronger, avoid taking place to leak the pressure that changes in the pipe-line system, influence measuring result.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, leakproofness and durability when can effectively increasing the pipe connection device connecting tube avoid taking place to leak the pressure that changes in the pipe system to pipe connection device's locking dynamics can be adjusted according to pipe system's pressure.

Drawings

Fig. 1 is a schematic structural view of a pipeline connecting device for a high-pressure kerosene seal comprehensive tester provided by the utility model;

fig. 2 is a schematic structural view of an elastic snap ring and a fixing mechanism in the pipe connecting device for the high-pressure kerosene seal comprehensive tester provided by the utility model.

In the figure: the brake device comprises a sleeve pipe 1, a connecting pipe 2, a backstop ring 3, a rubber ring 4, an elastic snap ring 5, an annular block 6, an elastic plate 7, a first fixing plate 8, an eccentric wheel 9, a fixing rod 10, a brake rod 11 and a second fixing plate 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a pipeline connecting device for a high-pressure kerosene seal comprehensive tester comprises a casing 1, two annular blocks 6 are fixedly connected in the casing 1, connecting pipes 2 are transversely and fixedly connected in the two annular blocks 6, a plurality of stop rings 3 which are uniformly distributed are fixedly connected on the pipe wall of the connecting pipe 2, a plurality of rubber rings 4 are fixedly connected on the pipe wall of the connecting pipe 2, the rubber rings 4 are positioned between the two adjacent stop rings 3, an arc-shaped chamfer is arranged on the outer edge of the pipe orifice at one end of the connecting pipe 2, which is far away from the annular blocks 6, the pipe orifices at the left end and the right end of the casing 1 are provided with notches, one side of each notch is communicated with the upper pipe wall of the casing 1, an elastic snap ring 5 is sleeved on the pipe wall of the connecting pipe 2, one side of the elastic snap ring 5 is provided with a notch, a first fixing plate 8 and a second fixing plate 12 are slidably connected in the notches, the lower, the upper end of the first fixing plate 8 is provided with a right-angle notch, the upper end of the second fixing plate 12 is provided with a through groove, and a fixing mechanism is connected in the through groove.

Fixed establishment includes sliding connection at the dead lever 10 that leads to the inslot, the both sides pole wall that the dead lever 10 is relative all rotates with the both sides that lead to the inslot respectively through the pivot and is connected, the mounting groove has been seted up to the upper end of dead lever 10, the both sides that the mounting groove is relative communicate with the both sides that the dead lever 10 is relative respectively, the transmission shaft has been cup jointed through the round hole slip in the mounting groove, round hole and fixedly connected with eccentric wheel 9 are all passed at the both ends of transmission shaft, lie in mounting groove fixedly connected with brake lever 11 on the pole wall of transmission shaft, the arc wall has been seted up to one side of first fixed plate 8, incision one side fixedly connected with arc structure's elastic plate 7 on the.

In the utility model, when in use, the elastic snap ring 5 is sleeved on the test hose (not shown in the figure), then the first fixing plate 8 and the second fixing plate 12 are spread by a tool to enlarge the diameter of the elastic snap ring 5, then the elastic snap ring and the test hose are inserted on the connecting pipe 2, then the tool is loosened to reset the elastic snap ring 5, the test hose can be extruded to be closely contacted with the stopping ring 3 and the rubber ring 4 when the elastic snap ring 5 is reset, thereby the test hose and the tested accessory can be rapidly connected, the stopping ring 4 can limit the force of the elastic snap ring 5 for tightening and extruding the rubber ring 3, the accelerated damage of a sealing element on the pipeline connecting device is avoided, the elastic plate 7 arranged on the elastic snap ring 5 can be matched with the elastic snap ring 5, so that no dead angle exists when the pipeline connecting device tightly extrudes the test hose, the sealing performance and the durability when the pipeline connecting device connects the pipeline are, stimulate dead lever 10 around the pivot swing with the hand, swing back dead lever 10 and the right angle breach joint on the first fixed plate 8, then pull brake lever 11 with the hand and make the transmission shaft rotatory, drive eccentric wheel 9 pivot when the transmission shaft is rotatory, can make the distance between first fixed plate 8 and the second fixed plate 12 reduce through the change of eccentric distance when eccentric wheel 9 rotates, thereby can effectually increase the shrink dynamics of snap ring 5, leakproofness when making the connecting device connecting tube stronger, avoid taking place to leak the pressure that changes in the pipe-line system, influence the measuring result.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The pipeline connecting device for the high-pressure kerosene seal comprehensive tester comprises a sleeve (1) and is characterized in that two annular blocks (6) are fixedly connected in the sleeve (1), two connecting pipes (2) are transversely and fixedly connected in the annular blocks (6), notches are formed in pipe orifices at the left end and the right end of the sleeve (1), one side of each notch is communicated with an upper pipe wall of the sleeve (1), an elastic clamping ring (5) is sleeved on the pipe wall of each connecting pipe (2), one side of each elastic clamping ring (5) is provided with a notch, a first fixing plate (8) and a second fixing plate (12) are slidably connected in each notch, the lower ends of the first fixing plate (8) and the second fixing plate (12) are fixedly connected with the upper end of the elastic clamping ring (5), a right-angle notch is formed in the upper end of the first fixing plate (8), a through groove is formed in the upper end of the second fixing plate (12), and a fixing mechanism is connected in the through groove.

2. The pipeline connecting device for the high-pressure kerosene seal comprehensive tester, according to claim 1, characterized in that the fixing mechanism comprises a fixing rod (10) slidably connected in a through groove, two opposite side rod walls of the fixing rod (10) are rotatably connected with two opposite sides of the through groove respectively through a rotating shaft, an installation groove is formed in the upper end of the fixing rod (10), two opposite sides of the installation groove are communicated with two opposite sides of the fixing rod (10) respectively, a transmission shaft is slidably sleeved in the installation groove through a round hole, two ends of the transmission shaft penetrate through the round hole and are fixedly connected with an eccentric wheel (9), a brake rod (11) is fixedly connected in the installation groove on the rod wall of the transmission shaft, and an arc-shaped groove is formed in one side of the first fixing plate (8).

3. The pipeline connecting device for the high-pressure kerosene seal comprehensive tester as claimed in claim 1, wherein a plurality of anti-backing rings (3) are fixedly connected to the pipe wall of the connecting pipe (2) and uniformly distributed, a plurality of rubber rings (4) are fixedly connected to the pipe wall of the connecting pipe (2), and the rubber rings (4) are located between two adjacent anti-backing rings (3).

4. The pipeline connecting device for the high-pressure kerosene seal comprehensive tester as claimed in claim 1, wherein one side of the notch on said elastic snap ring (5) is fixedly connected with an elastic plate (7) with an arc structure, and the other side of said notch is opened with a notch matched with the elastic plate (7).

5. The pipeline connecting device for the high-pressure kerosene seal comprehensive tester as claimed in claim 1, wherein an arc-shaped chamfer is provided on the outer edge of the pipe orifice at one end of the connecting pipe (2) far from the annular block (6).