High-efficiency external hydraulic test tool for cable joint

Abstract

The utility model discloses a cable joint high-efficiency external hydraulic test tool, which relates to the technical field of cable joint pressure test, and comprises a sealing cylinder, a sealing cover is arranged on the upper surface of the sealing cylinder, a plurality of screws are arranged between the sealing cylinder and the sealing cover, one end of each screw is provided with a nut, and the other end of each screw is provided with a nut. The sealing cylinder and the sealing cover are fixedly connected through screws and nuts, and a plurality of screw through holes are formed in the upper surface of the sealing cover. According to the utility model, the first O-shaped sealing ring is sleeved on the outer surface of the cable joint, then the cable joint is placed in the sealing cover, then the sealing cover and the sealing cylinder are combined, and then the sealing cover and the sealing cylinder can be fixed through each screw and each nut, so that when the cable joint needs to be disassembled, only each nut needs to be loosened, then the sealing cover is rotated, and the cable joint can be disassembled. Each screw is moved to the interior of the corresponding disassembly receding hole position, then the sealing cover can be disassembled, and multiple sets of screws do not need to be installed and disassembled in the process.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable joint pressure test technical field, concretely relates to a cable joint high -efficient outer liquid pressure test frock. BACKGROUND

[0002] At present, cable joint outer liquid pressure test fixture mainly has two forms: one is integral structure, the structure is envelope type, and the sealing structure is designed at the envelope open end, the cable joint is inserted into the envelope inner cavity during the test, passes through O ring sealing, relies on the outer liquid pressure test pressure to guarantee the sealed connection of cable joint and envelope, this integral test fixture does not need fastening connection, and the structure is simple, and the operation is quick, but the separation of cable joint and envelope after the outer liquid pressure test can only be realized through the pulling mode, and the operation is difficult and the cable joint is damaged easily during the separation process.

[0003] The other is split structure, which is composed of an envelope and a cover, the cover is provided with two sets of sealing structures, one set is used for sealing connection with the cable joint, and the other set is used for sealing connection with the envelope. The envelope and the cover are both provided with a connecting flange, and a plurality of connecting holes are distributed on the flange, and the two are connected through screws. Before the outer liquid pressure test, the cable joint is first sealed and connected with the cover, and then the cover with the cable joint is sealed and connected with the envelope through O-rings and screws. After the outer liquid pressure test, the screws are removed, the cover and the envelope are separated, and then the cable joint is separated from the cover by pushing the open end of the cable joint. The split structure can realize the assembly and disassembly of the cable joint and the test fixture, but a plurality of screws need to be installed and disassembled before and after the test, which is low in efficiency. UTILITY MODEL CONTENTS

[0004] In view of the above problems existing in the prior art cable joint high-efficiency outer liquid pressure test tool, the utility model is provided.

[0005] Therefore, the utility model aims at providing a cable joint high-efficiency outer liquid pressure test tool, which solves the problem that a plurality of screws need to be disassembled during installation of the prior art cable joint outer liquid pressure test fixture, thereby causing low test efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A cable joint high-efficiency outer liquid pressure test tool, comprising an envelope, the upper surface of the envelope is provided with a cover, a plurality of screws are arranged between the envelope and the cover, one end of each screw is provided with a nut, the envelope and the cover are fixedly connected through each screw and nut, a plurality of screw through holes are formed in the upper surface of the cover, a disassembly allowance hole is formed in one side of each screw through hole, a first O-shaped sealing ring is arranged in the inside of the cover, and a cable joint is arranged on the inner wall of the first O-shaped sealing ring.

[0008] Preferably, the sealing tube is a cylindrical structure with one end open, and is made of aluminum alloy material.

[0009] Preferably, the upper surface of the sealing cylinder is provided with a plurality of internal threaded holes that match the corresponding screws.

[0010] Preferably, a sealing groove is formed around the upper surface of the sealing cylinder.

[0011] Preferably, a second O-ring is provided inside the sealing groove.

[0012] Preferably, the size of the nut is smaller than the size of the disassembly clearance hole and larger than the size of the screw through hole.

[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0014] 1. This utility model involves placing a first O-ring seal on the outer surface of a cable connector, then inserting the cable connector into the inside of a cover, and then merging the cover and the cover tube. The cover and the cover tube are then secured by each screw and nut. When disassembly is required, simply loosen each nut, then rotate the cover to move each screw into the corresponding disassembly hole, and then the cover can be disassembled. This process does not require the installation and removal of multiple sets of screws.

[0015] 2. In this utility model, the second O-ring can play a sealing role, thereby improving the sealing performance between the sealing tube and the sealing cap. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 For the present utility model Figure 1 Cross-sectional view of the central cap;

[0019] Figure 3 For the present utility model Figure 2 Top view.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. End cap; 2. Cover; 3. Screw; 4. Screw through hole; 5. Disassembly clearance hole; 6. First O-ring seal; 7. Cable connector; 8. Second O-ring seal; 9. Nut. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] This utility model discloses a high-efficiency external hydraulic testing fixture for cable joints.

[0024] This utility model provides, for example Figures 1-3 The high-efficiency external hydraulic testing fixture for cable connectors shown includes a sealing cylinder 1, a cover 2 on the upper surface of the sealing cylinder 1, a plurality of screws 3 between the sealing cylinder 1 and the cover 2, and a nut 9 at one end of each screw 3. The sealing cylinder 1 and the cover 2 are fixedly connected by each screw 3 and nut 9. A plurality of screw through holes 4 are opened on the upper surface of the cover 2, and a disassembly clearance hole 5 is opened on one side of each screw through hole 4. A first O-ring seal 6 is provided inside the cover 2, and a cable connector 7 is provided on the inner wall of the first O-ring seal 6. The size of the nut 9 is smaller than the size of the disassembly clearance hole 5 but larger than the size of the screw through hole.

[0025] The first O-ring 6 is placed on the outer surface of the cable connector 7, and then the cable connector 7 is placed inside the cover 2. The cover 2 and the sleeve 1 are then joined together. Next, the cover 2 and the sleeve 1 are fixed by each screw 3 and nut 9. When disassembly is required, simply loosen each nut 9, and then rotate the cover 2 so that each screw 3 moves into the corresponding disassembly hole 5. The cover 2 can then be disassembled. This process does not require the installation and removal of multiple sets of screws 3. The installation of the cable connector external hydraulic test fixture can be achieved by simply "inserting, turning and tightening". The disassembly of the cable connector external hydraulic test fixture can be achieved by simply "loosening, turning and pulling". The operation is quick and greatly improves the efficiency of the cable connector external hydraulic test.

[0026] In order to extend the service life of the sealing sleeve 1, such as Figure 1 As shown, the sealing cylinder 1 is a cylindrical structure with one end open, and is made of aluminum alloy.

[0027] The inside of the sealing cylinder 1 is provided with a space for accommodating the cable connector 7, and it is made of aluminum alloy, which can improve the service life of the sealing cylinder 1.

[0028] To secure screw 3, as follows Figure 1 As shown, the upper surface of the sealing cylinder 1 is provided with multiple internal threaded holes that match the corresponding screws 3.

[0029] The corresponding screw 3 can be easily fixed using the internal threaded hole.

[0030] To improve the sealing performance between the sealing tube 1 and the sealing cap 2, such asFigures 1-2 As shown, the upper surface of the envelope 1 is provided with a sealing groove, and the inside of the sealing groove is provided with a second O-shaped sealing ring 8.

[0031] The second O-shaped sealing ring 8 can play a sealing role, thereby improving the sealing performance between the envelope 1 and the cover 2.

[0032] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A high-efficiency outer liquid pressure test tool for cable joint, comprising a sealing tube (1), characterized in that, The upper surface of the envelope (1) is provided with a cover (2), a plurality of screws (3) are arranged between the envelope (1) and the cover (2), one end of each screw (3) is provided with a nut (9), the envelope (1) and the cover (2) are fixedly connected through each screw (3) and the nut (9), a plurality of screw through holes (4) are formed in the upper surface of the cover (2), a dismounting allowance hole (5) is formed in one side of each screw through hole (4), a first O-shaped sealing ring (6) is arranged in the cover (2), and the inner wall of the first O-shaped sealing ring (6) is provided with a cable joint (7).

2. The high efficiency outer hydraulic test tooling for cable joints of claim 1, wherein, The envelope (1) is a cylindrical structure with one end being open, and is made of aluminum alloy material.

3. The cable joint high efficiency outer hydraulic pressure test tooling of claim 1, wherein, A plurality of inner thread holes matched with the corresponding screws (3) are formed in the upper surface of the envelope (1).

4. The cable joint high efficiency outer hydraulic pressure test tooling of claim 1, wherein, A sealing groove is formed around the upper surface of the envelope (1).

5. The cable joint high efficiency outer hydraulic pressure test tooling of claim 4, wherein, A second O-shaped sealing ring (8) is arranged in the sealing groove.

6. The cable joint high efficiency outer hydraulic pressure test tooling of claim 1, wherein, The size of the nut (9) is smaller than that of the dismounting allowance hole (5) and larger than that of the screw through hole.

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