Sealing and pressing testing device for oil supply pipe

Abstract

The utility model discloses an oil supply pipe sealing and pressurizing testing device which comprises a detection oil pipe, two ends of the detection oil pipe are connected with a pair of connectors, the connector on one side is connected with a pressurizing controller, and the connector on the other side is connected with a hydraulic detection device. The pressing controller and the hydraulic detection device are provided with a pair of quick-connection sealing structures which are connected with the pair of connectors; the utility model relates to the technical field of pressure testing devices, and in the process of pressure detection of an oil supply pipe, the oil supply pipe sealing and pressure testing device realizes connection with a connector of a detection oil pipe by arranging a quick-connection sealing structure on a pressure device and a hydraulic detection device. According to the quick-connection sealing structure, quick connection is achieved in a threaded connection mode, and then quick sealing connection of an inner layer and an outer layer is achieved in a butt joint mode of the sealing seat and the sealing groove and a butt joint mode of the sealing bell mouth and the bell mouth groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press test device technical field, specifically is a kind of oil supply pipe sealing press test device. BACKGROUND

[0002] In modern aviation field, in order to supply fuel to engine, complex pipeline needs to be laid between the fuel tank of aircraft and engine, and the fuel delivery pipeline of aviation engine at present stage is often made of high-strength material, and in order to avoid aviation fuel waste and avoid the problem of engine fire caused by fuel leakage, the sealing property of oil supply pipe needs to be guaranteed.

[0003] Therefore, in the manufacturing process of oil pipe, sealing detection needs to be carried out on oil pipe to avoid problems such as crack damage of oil pipe, and the sealing detection press of oil pipe at present stage mainly relies on hydraulic control detection, one end is connected to oil supply equipment, high pressure is provided through oil supply equipment, the other end is connected to pressure detection equipment, and whether pressure can be maintained is detected, but in order to ensure the sealing property of connection, the oil supply pipe and pressure detection equipment at present stage mainly rely on flange connection or threaded connection, the former needs to be installed at multiple points, and the operation is cumbersome, and the latter needs to be further sealed, so it is not convenient to quickly set, and the detection operation is cumbersome, in view of this, the above problems are studied in depth, and the case is generated. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an oil supply pipe sealing press test device, which solves the problems of the prior art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an oil supply pipe sealing press test device, comprising a detection oil pipe, a pair of connecting heads are connected to both ends of the detection oil pipe, a press controller is connected to one side of the connecting head, a hydraulic detection device is connected to the other side of the connecting head, a pair of quick connection sealing structures are arranged on the press controller and the hydraulic detection device and connected with the pair of connecting heads.

[0006] The quick connection sealing structure comprises a connecting pipe, one side of the press controller and the hydraulic detection device extends out the connecting pipe, an internal thread sleeve is arranged at the end of the connecting pipe, the end of the connecting head is an external thread structure, the internal thread sleeve is threadedly connected with the end of the connecting pipe, and the internal thread sleeve is sleeved on the connecting pipe.

[0007] The quick connection sealing structure further comprises a sealing groove, the inner side of the internal thread sleeve is provided with a sealing groove, the sealing groove is a tapered structure through groove, the outer side of the connecting pipe is provided with a tapered structure sealing seat, the sealing seat cooperates with the sealing groove, the end of the connecting pipe is provided with a sealing socket, and the end of the connecting head is provided with a socket groove and a sealing socket.

[0008] Preferably, one pair of said connecting heads is connected with the detection oil pipe through hot melt connection.

[0009] Preferably, said sealing socket and socket groove are matched in taper, and the inner cavity diameter of the sealing socket is matched with the diameter of the connecting head.

[0010] Preferably, said sealing seat and sealing groove are matched in taper, and the protrusion of said inner threaded sleeve is provided with a polygonal rotating wrench.

[0011] Preferably, said hydraulic detection device comprises a pressing pump, one side of said pressing pump is connected with a storage groove, the other side of said pressing pump is communicated with a connecting pipe of one quick connection sealing structure, and a control valve is arranged between said pressing pump and the connecting pipe.

[0012] Preferably, said hydraulic detection device comprises a detection seat, said detection seat is connected with a connecting pipe of another quick connection sealing structure, said detection seat is provided with a detection table, and one side of said detection seat is provided with a pressure relief valve. Beneficial effects

[0013] The utility model provides a kind of oil supply pipe sealing press test device.It has the following beneficial effects: the oil supply pipe sealing press test device, in the press detection process of oil supply pipe, by being provided with quick connection sealing structure on press device and hydraulic detection device, realize the connection with the connecting head of detection oil pipe, quick connection sealing structure is connected quickly by the way of screw thread connection, and then by the butt joint mode of sealing seat and sealing groove and sealing socket and socket groove, realize the quick sealing connection of inner and outer double layers. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the three-dimensional structure schematic view of the utility model described a kind of oil supply pipe sealing press test device.

[0015] Fig. 2 It is the partial three-dimensional sectional view structure schematic view of the utility model described a kind of oil supply pipe sealing press test device.

[0016] Fig. 3 It is the partial side view sectional view structure schematic view of the utility model described a kind of oil supply pipe sealing press test device.

[0017] In the drawing: 1, detection oil pipe; 2, connecting head; 3, press controller; 4, hydraulic detection device; 5, quick connection sealing structure; 41, detection seat; 42, detection table; 43, pressure relief valve; 51, connecting pipe; 52, inner threaded sleeve; 53, sealing groove; 54, sealing seat; 55, sealing socket. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] Please refer to Figs. 1-3 The present application provides an implementation scheme: in the operation process of modern aero-engine, the oil supply pipe is an important component, however, due to the high pressure effect of the oil supply pipe, in order to ensure that the oil supply pipe will not appear cracks or leakage and other problems, the oil supply pipe needs to be tested, however, the joint of the oil supply pipe pressure test at the present stage is mainly applied to the joint of the pipeline for welding or threaded connection, which is inconvenient to operate and still needs further sealing treatment, otherwise, it is still easy to produce pressure relief problem.

[0020] In view of the above problems, the present application discloses a kind of oil supply pipe sealing pressure test device, including detection oil pipe 1, detection oil pipe 1 is detected in detection area, and further, a pair of connecting heads 2 are connected at the both ends of detection oil pipe 1, detection oil pipe 1 is connected with detection equipment through a pair of connecting heads 2, detection equipment is divided into two parts, and one side of specific connecting head 2 is connected with pressure controller 3, the other side of connecting head 2 is connected with hydraulic detection device 4, a pair of quick connection sealing structures 5 are arranged on pressure controller 3 and hydraulic detection device 4 and connected with a pair of connecting heads 2, the connection of detection equipment is realized quickly through a pair of quick connection sealing structures 5, convenient to replace and overhaul, pressure hydraulic is introduced into detection oil pipe 1 by pressure controller 3, and hydraulic pressure is monitored by hydraulic detection device 4, to complete the sealing detection of oil supply pipe;

[0021] Specifically, according to the drawings in the description Figs. 1-3 It can be known that the above-mentioned quick connection sealing structure 5 includes a connecting pipe 51, the connecting pipe 51 extends out from one side of the pressure controller 3 and the hydraulic detection device 4, the end of the connecting pipe 51 is provided with an internal thread sleeve 52, the end of the connecting head 2 is an external thread structure, the internal thread sleeve 52 is threadedly connected with the end of the connecting pipe 51, and the internal thread sleeve 52 is sleeved on the connecting pipe 51;

[0022] Further, the above-mentioned quick connection sealing structure 5 further includes a sealing groove 53, the inner side of the internal thread sleeve 52 is provided with the sealing groove 53, the sealing groove 53 is a tapered structure through groove, the outer side of the connecting pipe 51 is provided with a tapered structure sealing seat 54, the sealing seat 54 cooperates with the sealing groove 53, the end of the connecting pipe 51 is provided with a sealing socket 55, and the end of the connecting head 2 is provided with a socket groove and is connected with the sealing socket 55.

[0023] In the specific implementation process, the connection pipe 51 is arranged on the pressing controller 3 and the hydraulic pressure detection device 4 as an interface connected with the connecting head 2, wherein the end of the connection pipe 51 is provided with an internal thread sleeve 52 which can axially slide on the connection pipe 51, the end of the internal thread sleeve 52 is provided with a sealing groove 53, in use, the connection pipe 51 is corresponded with the connecting head 2, at the same time, the internal thread sleeve 52 is screwed on the connecting head 2, the sealing groove 53 at the end of the internal thread sleeve 52 is pulled against the sealing seat 54 outside the connection pipe 51, the connection pipe 51 is corresponded with the connecting head 2, and then the sealing bearing 55 at the end of the connection pipe 51 is tightly butted against the bearing groove at the end of the connecting head 2, so that the sealed butt joint of the connection pipe 51 and the connecting head 2 is realized, and the fuel can enter into the detection oil pipe 1 and the pressure detection device.

[0024] As a preferred solution, further, the pair of connecting heads 2 and the detection oil pipe 1 are connected by heat melting, the sealing property is maintained, and the installation is convenient.

[0025] As a preferred solution, further, the taper of the sealing bearing 55 and the bearing groove is matched, and the inner cavity diameter of the sealing bearing 55 is matched with the diameter of the connecting head 2.

[0026] As a preferred solution, further, the taper of the sealing seat 54 and the sealing groove 53 is matched, and the polygonal rotating wrench is protrudingly arranged on the internal thread sleeve 52.

[0027] As a preferred solution, further, according to the drawings in the specification Figs. 1-3 It can be known that the hydraulic pressure detection device 4 includes the pressing pump, one side of the pressing pump is connected with the storage groove, the other side of the pressing pump is communicated with the connection pipe 51 of the quick connection sealing structure 5, and the control valve is arranged between the pressing pump and the connection pipe 51.

[0028] In the specific implementation process, the detection oil in the storage groove is extracted by the pressing pump, and then the connection pipe 51 on the pressing pump is pumped into one end of the detection oil pipe 1.

[0029] As a preferred solution, further, the hydraulic pressure detection device 4 includes the detection seat 41, the detection seat 41 is connected with the connection pipe 51 of the other quick connection sealing structure 5, the detection seat 41 is provided with the detection table 42, one side of the detection seat 41 is provided with the pressure relief valve 43, and then the detection seat 41 is used as the carrying body of the detection table 42, the other end of the detection oil pipe 1 is butted against the connection pipe 51 on the detection seat 41, after the detection oil is injected, the detection table 42 on the detection seat 41 displays the hydraulic pressure.

[0030] In summary, the oil supply pipe sealing pressure test device, in the process of detecting the pressure of the oil supply pipe, the quick connection sealing structure 5 is arranged on the pressure device and the hydraulic detection device 4, the connection head 2 of the detection oil pipe 1 is connected, the quick connection sealing structure 5 is quickly connected in the threaded connection mode, and then the sealing seat 54 is connected with the sealing groove 53 and the sealing socket 55 is connected with the socket groove, so that the inner and outer double-layer quick sealing connection is realized.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oil pipe sealing pressure test device, comprising a detection oil pipe (1), a pair of connectors (2) connected to both ends of the detection oil pipe (1), a pressure controller (3) connected to one side of the connector (2), and a hydraulic detection device (4) connected to the other side of the connector (2), characterized in that, The pressing controller (3) and the hydraulic detection device (4) are connected with a pair of quick connection sealing structures (5) and a pair of connecting heads (2). The quick connection sealing structure (5) comprises a connecting pipe (51), one side of the pressing controller (3) and the hydraulic detection device (4) extends out the connecting pipe (51), the end of the connecting pipe (51) is provided with an internal thread sleeve (52), the end of the connecting head (2) is an external thread structure, the internal thread sleeve (52) is threadedly connected with the end of the connecting pipe (51), and the internal thread sleeve (52) is sleeved on the connecting pipe (51). The quick connection sealing structure (5) further comprises a sealing groove (53), the inner side of the internal thread sleeve (52) is provided with the sealing groove (53), the sealing groove (53) is a tapered through groove, the outer side of the connecting pipe (51) is provided with a tapered sealing seat (54), the sealing seat (54) cooperates with the sealing groove (53), the end of the connecting pipe (51) is provided with a sealing socket (55), and the end of the connecting head (2) is provided with a socket groove and the sealing socket (55) is butted.

2. The seal press test device of claim 1, wherein, A pair of the connecting head (2) and the detection oil pipe (1) are connected through hot melting.

3. The seal press test device of claim 2, wherein, The taper of the sealing socket (55) and the socket groove is matched, and the inner cavity diameter of the sealing socket (55) is matched with the diameter of the connecting head (2).

4. The seal press test device of claim 3, wherein, The taper of the sealing seat (54) and the sealing groove (53) is matched, and the polygonal rotating wrench is protrudingly arranged on the internal thread sleeve (52).

5. The oil supply pipe sealing and pressure test device according to claim 4, wherein The hydraulic detection device (4) comprises a pressing pump, one side of the pressing pump is connected with a storage groove, the other side of the pressing pump is communicated with the connecting pipe (51) of one quick connection sealing structure (5), and a control valve is arranged between the pressing pump and the connecting pipe (51).

6. The seal press test device of claim 5, wherein, The hydraulic detection device (4) comprises a detection seat (41), the detection seat (41) is connected with the connecting pipe (51) of another quick connection sealing structure (5), the detection seat (41) is provided with a detection table (42), and one side of the detection seat (41) is provided with a pressure relief valve (43).

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