Water tightness test tool suitable for composite cable

Abstract

The utility model discloses a watertightness testing tool suitable for a composite cable, which comprises a pressure cabin body and a sealing device, the pressure cabin body comprises a pipe body and bellmouths arranged at the two ends of the pipe body, the pipe body is provided with a plurality of interfaces, at least one interface is provided with a pressure measuring device, and the sealing device is arranged on the pipe body. At least one connector serves as a water inlet and a water outlet of the pressure cabin body, a sealing ring contact face is arranged in the bellmouth, and the sealing device is arranged in the bellmouth. The sealing device comprises a sealing end cover and a locking ring, the locking ring is located on one side of the sealing end cover, a sealing ring is arranged on the other side of the sealing end cover, and the periphery of the locking ring is in threaded connection with the inner wall of the bell mouth; and in the process of tightening the locking ring, the locking ring can push the sealing end cover in the axial direction of the bell mouth, so that the sealing ring can be tightly attached to the sealing ring contact surface. The sealing operation of the water tightness testing tool is simplified, the service life of the sealing ring is prolonged, and the reliability is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable water-tight test technical field especially relates to a water-tightness test frock suitable for composite cable. BACKGROUND

[0002] In the field of ocean engineering, composite cables are widely used, which integrate multiple signal sensors and have the functions of power transmission and signal transmission. The composite cable must serve underwater for a long time, and its service life can be up to two to thirty years. Signals are transmitted through the cable, so that ground personnel can accurately control and collect data related to the product. Due to the special requirements of underwater service, the main cable, branch cable and the integrated part of the main cable and branch cable of the composite cable must avoid water ingress or water leakage and other failures, which may affect the transmission of electrical signals. Some composite cables are even deployed at a depth of hundreds of meters underwater, and the high-pressure environment underwater further tests the sealing performance of the cable.

[0003] Therefore, before being formally put into use, the composite cable and its attached sensors, cables and other products must be strictly tested for waterproof sealing performance to meet the specific needs of composite cable manufacturing and testing. During the sealing operation, the traditional water-tightness test frock is complicated to operate, has high labor intensity, and the sealing ring is easy to be damaged, which affects the test effect. Therefore, it is particularly necessary to develop a water-tightness test frock suitable for composite cable. SUMMARY

[0004] The utility model provides a water-tightness test frock suitable for composite cable to simplify the sealing operation of water-tightness test frock, prolong the service life of sealing ring and ensure reliability.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is:

[0006] A water-tightness test frock suitable for composite cable, comprising: a pressure cabin body and a sealing device, the pressure cabin body comprises a pipe body and a socket arranged at both ends of the pipe body, a plurality of interfaces are arranged on the pipe body, at least one of the interfaces is provided with a pressure measuring device, and at least one of the interfaces serves as a water inlet and outlet of the pressure cabin body, a sealing ring contact surface is arranged in the socket, and the sealing device is arranged in the socket;

[0007] The sealing device comprises a sealing end cover and a locking ring, the locking ring is located on one side of the sealing end cover, a sealing ring is arranged on the other side of the sealing end cover, and the outer periphery of the locking ring is threadedly connected with the inner wall of the socket;

[0008] During the tightening process of the locking ring, the locking ring can push the sealing end cover axially along the socket, so that the sealing ring can tightly contact the sealing ring contact surface.

[0009] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0010] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0011] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0012] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0013] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0014] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0015] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0016] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0017] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0018] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0019] Further, the sealing end cover is provided with a wire routing pipe, the wire routing pipe is provided with a large-diameter hole and a small-diameter hole, and a tapered transition surface is arranged between the large-diameter hole and the small-diameter hole.

[0020] Beneficial effects:

[0021] The utility model provides a watertightness testing tool for composite cables, which is suitable for a watertightness testing tool for composite cables. By arranging a locking ring, a sealing end cover and a sealing ring, the locking ring can push the sealing end cover to move axially along the socket during the process of tightening the locking ring, so that the sealing ring arranged on the sealing end cover can be tightly pressed on the contact surface of the sealing ring to form a seal. The locking ring pushes the sealing end cover so that the sealing ring is always evenly stressed, and at the same time avoids the sealing ring from being worn as the locking ring rotates, thereby extending the service life of the sealing ring, eliminating the need for frequent replacement of the sealing ring, and ensuring the stability of the tool. The sealing is achieved by twisting the locking ring to compress the sealing ring, which is easy to operate, and makes the process of constructing a sealed environment simple and easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0023] Figure 1 This is a schematic structural diagram of a watertightness test tool suitable for composite cables disclosed in the present utility model;

[0024] Figure 2 This is a front view of a watertightness testing tool for composite cables disclosed in the utility model;

[0025] Figure 3 for Figure 2 BB cross-sectional view;

[0026] Figure 4 for Figure 3 Enlarged view of point C;

[0027] Figure 5 for Figure 4 Enlarged view of point D;

[0028] Figure 6 This is a structural schematic diagram of a pressure chamber with an interface removed, suitable for a water tightness test tool for composite cables disclosed in the present invention;

[0029] Figure 7 The utility model discloses a structural schematic diagram of a locking tool suitable for a watertightness test tool for a composite cable.

[0030] In the picture:

[0031] 1. Pressure chamber; 11. Pipe body; 12. Socket; 13. Interface; 14. Sealing ring contact surface; 15. Limit support; 16. Lifting lug;

[0032] 2, sealing end cover; 21, wiring tube; 211, large diameter hole; 212, small diameter hole; 213, transition surface; 22, limiting insert plate;

[0033] 3, locking ring;

[0034] 4, sealing ring;

[0035] 5, locking tube;

[0036] 6, cable sealing sleeve; 61, conical part;

[0037] 7, compression flange;

[0038] 8, locking tool; 81, support ring; 82, handle; 83, protrusion;

[0039] 9, pressure gauge;

[0040] 10, tool base;

[0041] A, the cable to be tested. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0043] Embodiment 1

[0044] The embodiment provides a watertight test tool suitable for composite cable, as shown in Figure 1 , comprising a pressure cabin body 1 and a sealing device, as shown in Figure 6 , the pressure cabin body 1 comprises a tube body 11 and a socket 12 arranged at both ends of the tube body 11, and the tube body 11 and the socket 12 are integrally formed, as shown in Figure 1 , a plurality of interfaces 13 are arranged on the tube body 11, at least one of the interfaces 13 is provided with a pressure measuring device, in the embodiment, as shown in Figure 1 , the pressure measuring device is a pressure gauge 9, the interface 13 is threadedly connected with the pressure gauge 9, at least one of the interfaces 13 serves as a water inlet and outlet of the pressure cabin body 1, a sealing ring contact surface 14 is arranged in the socket 12, and the sealing device is arranged in the socket 12;

[0045] In this embodiment, five interfaces 13 are welded on the pipe body 11 (more interfaces 13 can be provided as needed). The interfaces 13 are provided with internal threads to provide conditions for the connection of valves, pressure gauges and pressure water pumps. One of the interfaces 13 is installed with a pressure gauge 9, which is used to display real-time water pressure. Valves are installed on two of the interfaces 13, serving as the water inlet and outlet of the pressure chamber 1 respectively. The remaining two interfaces 13 can be blocked with plugs or valves can be installed. The pressure chamber 1 realizes water inlet, drainage, exhaust and pressure relief, as well as the blocking of the interfaces 13 by opening and closing the valves.

[0046] Specifically, when the composite cable is installed and the pressure water pump starts to inject water into the pressure cabin 1, except for the valve connected to the pressure water pump, the other valves are in a sealed state. At this time, the unoccupied valves can be opened and used as exhaust holes to increase the speed of water injection and ventilation;

[0047] When the pressure chamber 1 needs to be readjusted after pressurization or when testing is completed, the valve can be slowly opened to relieve pressure, thereby preventing the high pressure in the pressure chamber 1 from being suddenly released, thereby avoiding possible safety hazards;

[0048] like Figure 1 As shown, the sealing device includes a sealing end cover 2 and a locking ring 3, and the locking ring 3 is located on one side of the sealing end cover 2. Figure 5 As shown, a sealing ring installation groove is provided on the other side of the sealing end cover 2, a sealing ring 4 is provided in the sealing ring installation groove, and the outer periphery of the locking ring 3 is threadedly connected to the inner wall of the socket 12;

[0049] During the process of tightening the locking ring 3, the locking ring 3 can push the sealing end cover 2 axially along the socket 12, so that the sealing ring 4 can be in close contact with the sealing ring contact surface 14;

[0050] The pressure chamber 1 is capable of bearing pressure and providing a holding space. The composite cable or sensor to be tested is placed in the pressure chamber 1. Water is injected into the pressure chamber 1 to pressurize it until the required test pressure is reached, thereby providing the pressure environment required for the watertight test.

[0051] By arranging the locking ring 3, the sealing end cover 2 and the sealing ring 4, the locking ring 3 can push the sealing end cover 2 to move axially along the socket 12 during the process of tightening the locking ring 3, so that the sealing ring 4 provided on the sealing end cover 2 can be tightly pressed on the sealing ring contact surface 14 to form a seal. The locking ring 3 pushes the sealing end cover 2 so that the sealing ring 4 is always evenly stressed, and at the same time, it avoids the sealing ring 4 from being worn as the locking ring 3 rotates, thereby extending the service life of the sealing ring 4, eliminating the need for frequent replacement of the sealing ring 4, and ensuring the stability of the tooling; the sealing is achieved by twisting the locking ring 3 to compress the sealing ring 4, which is easy to operate and makes the process of establishing a sealed environment simple and easy;

[0052] The water tightness test tool suitable for the composite cable provided by the embodiment has low manufacturing cost, does not increase complex electric control components, directly displays by using a mechanical pressure gauge, does not need complex electric control components, but reserves part of the interface 13, and prepares for adding functions in advance;

[0053] The conventional sealing tool needs to use multiple groups of bolts to fasten sealing, and with the increase of the pressure grade, the specifications, the number and the torque of the bolts are correspondingly increased. The water tightness test tool suitable for the composite cable provided by the embodiment can realize sealing of the megapascal pressure through the cooperation between the locking ring 3, the sealing end cover 2 and the sealing ring 4. The locking ring 3 is connected with the pressure cabin body 1 through threads, so that the construction process of the sealing environment is simple and easy, and the operation process is simple. One person can complete the construction work through the compression of the locking ring 3, and the experimental environment is built quickly.

[0054] In specific embodiments, as shown in Figure 4 The sealing end cover 2 is welded with a wiring pipe 21, as shown in Figure 5 The wiring pipe 21 is provided with a large-diameter hole 211 and a small-diameter hole 212, and a tapered transition surface 213 is arranged between the large-diameter hole 211 and the small-diameter hole 212.

[0055] As shown in Figure 5 The cable sealing device further includes a locking pipe 5 and a cable sealing sleeve 6 arranged in the wiring pipe 21. The material of the cable sealing sleeve 6 is silicone rubber, the inner diameter of the cable sealing sleeve 6 matches the cable to be tested, one end of the cable sealing sleeve 6 is a tapered portion 61 matched with the transition surface 213, the tapered portion 61 is arranged in the transition surface 213, the locking pipe 5 is located at the end of the cable sealing sleeve 6 away from the transition surface 213, and the locking pipe 5 is threadedly connected with the inner wall of the wiring pipe 21.

[0056] During the process of tightening the locking pipe 5, the locking pipe 5 can axially push the cable sealing sleeve 6 along the wiring pipe 21, so that the tapered portion 61 is elastically deformed under the extrusion of the transition surface 213 and shrinks radially along the tapered portion 61 to press the cable to be tested in the hole of the cable sealing sleeve 6;

[0057] As shown in Figure 5 The cable sealing device further includes a compression flange 7 arranged between the locking pipe 5 and the cable sealing sleeve 6, and the flange of the compression flange 7 is inserted into the locking pipe 5.

[0058] The locking pipe 5 increases the contact area with the cable sealing sleeve 6 through the pressing flange 7, so that the extrusion of the locking pipe 5 to the cable sealing sleeve 6 is more uniform, and the gap between the cable sealing sleeve 6 and the composite cable is filled through the elastic deformation of the cable sealing sleeve 6, so that the sealing effect can be improved, and various diameters of the composite cable can be compatible;

[0059] By replacing the wiring pipe 21, the locking pipe 5, the cable sealing sleeve 6 and the pressing flange 7 of different sizes, the composite cable with different outer diameters can be adapted, and the versatility is high.

[0060] In specific embodiments, as shown in Figure 1 and Figure 2 , the locking tool 8 is further included, as shown in Figure 7 , the locking tool 8 includes a support ring 81 and a handle 82 arranged on the outer periphery of the support ring 81, a plurality of protrusions 83 are arranged on the support ring 81, and holes corresponding to the protrusions 83 are arranged on the locking ring 3.

[0061] By adding a special locking tool 8, the locking ring 3 can be quickly installed, and the locking tool 8 can be used to tighten the locking ring 3. In this embodiment, the protrusions 83 are bolts, the support ring 81 is threadedly connected with the protrusions 83, and the protrusions 83 are threadedly connected with the locking ring 3. The locking rings 3 at both ends of the pressure cabin body 1 can share one locking tool 8 for tightening.

[0062] In specific embodiments, a non-metallic gasket is arranged between the sealing end cover 2 and the locking ring 3 to prevent direct contact and friction between the sealing end cover 2 and the locking ring 3. The non-metallic gasket is arranged between the two to reduce friction. In this embodiment, the non-metallic gasket is polytetrafluoroethylene.

[0063] In specific embodiments, as shown in Figure 6 , a limiting support 15 is arranged in the pipe body 11, one side of the sealing end cover 2 provided with a sealing ring 4 is provided with a limiting insert plate 22, and the limiting insert plate 22 can be inserted into the limiting support 15 to prevent the sealing end cover 2 from rotating with the locking ring 3.

[0064] In specific embodiments, as shown in Figure 6 , the pressure cabin body 1 further includes an ear 16, and the ear 16 is welded on the pipe body 11 to facilitate hoisting.

[0065] In specific embodiments, as shown in Figure 1 , a tool base 10 is further included, the tool base 10 is fixed on the pipe body 11, and four pulleys are arranged on the bottom of the tool base 10.

[0066] The tool base 10 plays a supporting role and a role of fixing the pressure cabin body 1, lifts the pressure cabin body 1, the operation height conforms to ergonomics, and the personnel operation fatigue is reduced. The tool base 10 is welded and fixed at the contact part with the pipe body 11, the pressure cabin body 1 is prevented from rotating or translating during the operation, and a universal pulley with a locking function is arranged on the tool base 10, so that the overall transfer of the tool is facilitated.

[0067] Embodiment 2

[0068] The embodiment provides a watertight test tool suitable for a composite cable, the main structure of the embodiment is similar to that of embodiment 1, and the embodiment is different from embodiment 1 in the following point.

[0069] In embodiment 1, the sealing end cover 2 is provided with a wire pipe 21, the wire pipe 21 is provided with a large-diameter hole 211 and a small-diameter hole 212, and a tapered transition surface 213 is arranged between the large-diameter hole 211 and the small-diameter hole 212.

[0070] The cable sealing device further comprises a locking pipe 5 and a cable sealing sleeve 6 arranged in the wire pipe 21, the material of the cable sealing sleeve 6 is silicone rubber, the inner diameter of the cable sealing sleeve 6 matches the cable to be tested, one end of the cable sealing sleeve 6 is a tapered part 61 matched with the transition surface 213, the tapered part 61 is arranged in the transition surface 213, the locking pipe 5 is located at one end of the cable sealing sleeve 6 away from the transition surface 213, and the locking pipe 5 is in threaded connection with the inner wall of the wire pipe 21.

[0071] During the process of tightening the locking pipe 5, the locking pipe 5 can axially push the cable sealing sleeve 6 along the wire pipe 21, so that the tapered part 61 is elastically deformed under the extrusion of the transition surface 213 and shrinks radially along the tapered part 61, so as to be pressed on the cable A to be tested in the hole of the cable sealing sleeve 6.

[0072] In the embodiment, the sealing end cover 2 is a blind plate, one side of the blind plate is provided with a sealing ring mounting groove, a sealing ring 4 is arranged in the sealing ring mounting groove, at least one sealing sleeve is arranged in the interface 13, the material of the sealing sleeve is silicone rubber, and the inner diameter of the sealing sleeve matches the cable to be tested.

[0073] When the cable to be tested is relatively thick (for example, a composite cable), the sealing end cover 2 disclosed in embodiment 1 is used for sealing, as shown in the figure, the cable A to be tested is respectively led out from the two sealing end covers 2 at two ends. Figure 3 When the cable to be tested is relatively thin (for example, a cable of a sensor), the sealing end cover 2 disclosed in embodiment 2 is used for sealing, a small-size sealing sleeve is inserted into the interface 13, the sensor is arranged in the pressure cabin body 1, and the cable of the sensor can be led out from the interface 13.

[0074] In actual use, the sealing end cover 2 disclosed in Embodiment 1 and the sealing end cover 2 disclosed in Embodiment 2 can be equipped at the same time to realize one machine with two functions, the tool can be reused, and it is more friendly to mass production products;

[0075] The utility model provides a kind of water-tightness test tooling suitable for composite cable, it is applicable to the detection of various cable components needing to be arranged underwater in marine engineering construction field, in particular, it can be applied to various underwater sensors smaller than pressure cabin 1, sealing cable needing to satisfy specific waterproof performance, and the water-tight detection of composite cable integrated with main cable and branch cable after secondary processing.

[0076] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A watertightness test tool suitable for composite cables, characterized in that: The utility model relates to a pressure chamber (1) and sealing device, the pressure chamber (1) includes the pipe body (11) and the socket (12) of setting in the both ends of pipe body (11), be equipped with a plurality of interfaces (13) on the pipe body (11), at least one interface (13) is equipped with pressure measuring device, at least one interface (13) is as the water inlet and outlet of pressure chamber (1), be equipped with sealing ring contact surface (14) in the socket (12), the sealing device sets up in the socket (12) inside, The sealing device includes a sealing end cover (2) and a locking ring (3), the locking ring (3) is located on one side of the sealing end cover (2), the other side of the sealing end cover (2) is provided with a sealing ring (4), the outer periphery of the locking ring (3) is threadedly connected with the inner wall of the socket (12). During the process of tightening the locking ring (3), the locking ring (3) can push the sealing end cover (2) axially along the socket (12), so that the sealing ring (4) can tightly contact the sealing ring contact surface (14). The sealing end cover (2) is provided with a wire routing pipe (21), the wire routing pipe (21) is provided with a large-diameter hole (211) and a small-diameter hole (212), and a tapered transition surface (213) is arranged between the large-diameter hole (211) and the small-diameter hole (212).

2. The watertight test tooling for a composite cable of claim 1, wherein, The utility model further includes a cable sealing device, the cable sealing device includes a locking pipe (5) arranged in the wire routing pipe (21) and a cable sealing sleeve (6), the inner diameter of the cable sealing sleeve (6) matches the to-be-tested cable, one end of the cable sealing sleeve (6) is a tapered portion (61), the tapered portion (61) is arranged in the transition surface (213), the locking pipe (5) is located at the end of the cable sealing sleeve (6) away from the transition surface (213), and the locking pipe (5) is threadedly connected with the inner wall of the wire routing pipe (21). During the process of tightening the locking pipe (5), the locking pipe (5) can push the cable sealing sleeve (6) axially along the wire routing pipe (21), so that the tapered portion (61) is elastically deformed under the extrusion of the transition surface (213) and shrinks radially along the tapered portion (61) to press the to-be-tested cable located in the hole of the cable sealing sleeve (6). The cable sealing device further includes a pressing flange (7) arranged between the locking pipe (5) and the cable sealing sleeve (6), and the flange of the pressing flange (7) is inserted into the locking pipe (5).

3. The water tightness test tooling for a composite cable of claim 2, wherein, The sealing end cover (2) is a blind plate, at least one interface (13) is provided with a sealing sleeve, and the inner diameter of the sealing sleeve matches the to-be-tested cable.

4. The water tightness test tooling for a composite cable of claim 1, wherein, The utility model further includes a locking tool (8), the locking tool (8) includes a support ring (81) and a handle (82) arranged on the outer periphery of the support ring (81), a plurality of protrusions (83) are arranged on the support ring (81), and the locking ring (3) is provided with holes corresponding to the protrusions (83).

5. The water tightness test tooling for a composite cable of claim 1, wherein, A non-metallic gasket is arranged between the sealing end cover (2) and the locking ring (3).

6. The water tightness test tooling for a composite cable of claim 1, wherein, A limiting support (15) is arranged in the pipe body (11), and a limiting insertion plate (22) is arranged on the side of the sealing end cover (2) provided with the sealing ring (4), and the limiting insertion plate (22) can be inserted into the limiting support (15).

7. The water tightness test tooling for a composite cable of claim 1, wherein, ​ 8. The water tightness test tooling for a composite cable of claim 1, wherein, The pressure measuring device is a pressure gauge (9), and the interface (13) is threadedly connected with the pressure gauge (9).

9. The water tightness test tooling for a composite cable of claim 1, wherein, The pressure chamber body (1) further comprises a lifting lug (16) arranged on the pipe body (11).

10. The water tightness test tooling for a composite cable of claim 1, wherein, Further comprising a tool base (10) fixed on the pipe body (11), and four pulleys are arranged on the bottom of the tool base (10).

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