Mounting tool

Abstract

The utility model discloses an installation tool. The mounting tool comprises a crimping part and a guide part connected with the crimping part, the crimping part is provided with a first crimping part and a second crimping part which are oppositely arranged, the first crimping part is provided with a first crimping space, and the second crimping part is provided with a second crimping space. Stable support can be provided by introducing the guide piece of a rigid structure, installation failure caused by component deformation in the installation process is avoided, and therefore the installation difficulty is reduced. The installation tool provided by the utility model can effectively reduce the installation difficulty and time between the prefabricated intermediate joint and various flexible cables, improves the field installation efficiency, and improves the product qualification rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable intermediate joint technical field, concretely relates to a kind of installation tool for assisting cable and prefabricated intermediate joint installation. BACKGROUND

[0002] Ethylene-propylene rubber cable is a kind of cable using ethylene-propylene rubber as insulating material.Ethylene-propylene rubber has excellent electrical insulation, good ozone resistance, moisture resistance, heat resistance, cold resistance, aging resistance, and is widely used in medium and low voltage, high voltage and even super high voltage cable.Because ethylene-propylene rubber has good softness, it is more suitable for laying on new energy, bullet train, mine and ship.The accompanying accessory installation problem gradually increases, such as 27.5kV and above voltage grade prefabricated cable accessories: prefabricated terminal, prefabricated intermediate head, etc.The interference between such accessories and cable insulation is larger, and the process requires longer insulation distance of cable stripping, so that the cable is easy to bend during installation, which makes it difficult to install the accessory product in place, greatly increases the installation difficulty, and wastes manpower and material resources. SUMMARY

[0003] The utility model aims to provide an installation tool, which can effectively reduce the difficulty and time of installing prefabricated intermediate joints and various soft cables, improve the efficiency of on-site installation, and improve the product qualification rate.

[0004] The utility model provides an installation tool for installing prefabricated intermediate joints, which comprises a pressure connecting piece and a guide connected with the pressure connecting piece, the pressure connecting piece has a first pressure connecting part and a second pressure connecting part arranged oppositely, the first pressure connecting part has a first pressure connecting space, and the second pressure connecting part has a second pressure connecting space, wherein the guide is a rigid structure.

[0005] In an embodiment, the first pressure connecting part has a first pressure connecting internal thread, the guide has an external thread, the guide extends into the first pressure connecting space and is threadedly connected with the first pressure connecting part.

[0006] In an embodiment, the first pressure connecting space and the second pressure connecting space are communicatively arranged.

[0007] In an embodiment, a spacing plate is arranged between the first pressure connecting space and the second pressure connecting space.

[0008] In an embodiment, the first pressure connecting space of the first pressure connecting part has a trumpet-shaped entrance; or the second pressure connecting space of the second pressure connecting part has a trumpet-shaped entrance.

[0009] In an embodiment, the installation tool further comprises an adapter, and the adapter connects the pressure connecting piece and the guide.

[0010] In an embodiment, the adapter has a first adapter portion connected to the crimping member and a second adapter portion connected to the guide member.

[0011] In an embodiment, the first adapter portion has a first adapter external thread, the second adapter portion has a second adapter external thread, the first crimping portion has a first crimping internal thread, the guide member has an internal thread at one end, the first adapter portion is threadedly connected to the first crimping portion, and the second adapter portion is threadedly connected to the guide member.

[0012] In an embodiment, the rigid structure is a metal material, a composite material, a non-metal material, or a plastic material.

[0013] In an embodiment, the guide member has a fixing hole at one end away from the crimping member, and the fixing hole is used to fix the guide member.

[0014] The utility model discloses a mounting tool which comprises a crimping member and a guide member connected to the crimping member. The crimping member has a first crimping portion and a second crimping portion arranged oppositely. The first crimping portion has a first crimping space, and the second crimping portion has a second crimping space. The guide member with a rigid structure can provide stable support and avoid installation failure caused by deformation of components during installation, thereby reducing the installation difficulty. The mounting tool provided by the utility model can effectively reduce the difficulty and time of installation between the prefabricated intermediate joint and various soft cables, improve the on-site installation efficiency, and improve the product qualification rate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0016] Figure 1 is a front view of an embodiment of the mounting tool of the utility model;

[0017] Figure 2 is Figure 1 is a sectional view along line A-A;

[0018] Figure 3 is a front view of the crimping member of an embodiment of the mounting tool of the utility model;

[0019] Figure 4 is Figure 3 is a sectional view along line A-A;

[0020] Figure 5 is the front view of the guide of the installation tool one embodiment of the utility model;

[0021] Figure 6 is Figure 5 the section view along A-A line;

[0022] Figure 7 is the front view of the adapter of the installation tool one embodiment of the utility model;

[0023] Figure 8 is Figure 7 the section view along A-A line.

[0024] BRIEF DESCRIPTION OF THE DRAWINGS

[0025]

[0026] The utility model discloses the implementation, functional characteristics and advantages will be further explained with reference to the drawings. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 the utility model.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0029] In the utility model, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is to include three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0031] The utility model provides a kind of installation tool.

[0032] Ethylene-propylene rubber cable is a kind of cable using ethylene-propylene rubber as insulating material. Ethylene-propylene rubber has excellent electrical insulation, good ozone resistance, moisture resistance, heat resistance, cold resistance, aging resistance, and is widely used in medium and low voltage, high voltage and even super high voltage cable. Because ethylene-propylene rubber has good softness, it is more suitable for laying on new energy, bullet train, mine, ship. The accompanying accessory installation problem gradually increases, such as 27.5kV and above voltage grade prefabricated cable accessories: prefabricated terminal, prefabricated intermediate head, etc. The interference between such accessories and cable insulation is large, and the process requires long insulation distance of cable stripping. During installation, the cable is easy to bend, which causes the accessory product to be unable to be installed in place, greatly increases the installation difficulty, and wastes manpower and material resources.

[0033] In order to solve the above technical problems, the utility model provides a kind of installation tool, installation tool includes pressure contact piece and with the guide of pressure contact piece, pressure contact piece has the first pressure contact part and the second pressure contact part of relative arrangement, the first pressure contact part has the first pressure contact space, the second pressure contact part has the second pressure contact space. By introducing the guide of rigid structure, stable support can be provided, and installation failure caused by component deformation during installation can be avoided, so as to reduce installation difficulty. The installation tool provided by the utility model can effectively reduce the installation difficulty of prefabricated intermediate joint and various soft cables, such as reducing the installation difficulty between prefabricated intermediate joint and ethylene-propylene rubber cable, aluminum core cable and the like, improving the efficiency of on-site installation, and improving the product qualification rate.

[0034] Please refer to Figures 1 to 8The utility model discloses installation tool 100 for installing prefabricated intermediate joint (not shown in drawing), including the crimping piece 10 and with the guide 20 that connects crimping piece 10, crimping piece 10 has oppositely arranged first crimping part 11 and second crimping part 12, first crimping part 11 has first crimping space 11A, and second crimping part 12 has second crimping space 12A, wherein, guide 20 is rigid structure.

[0035] In the embodiment, the crimping piece 10 is connected with the guide 20, and can be connected through plug-in cooperation, threaded connection or the like, which is not limited herein. The guide 20 is a rigid structure, which can not only maintain stable shape and size and is not easy to deform during use, but also can ensure that the guide 20 provides reliable support and guiding effect during installation, thereby reducing installation errors caused by deformation of components.

[0036] When the installation tool 100 is used, the crimping piece 10 and the guide 20 are cleaned with alcohol. The crimping piece 10 has oppositely arranged first crimping part 11 and second crimping part 12. The end of the crimping piece 10 away from the guide 20 is defined as the second crimping part 12, and the end of the crimping piece 10 close to the guide 20 is defined as the first crimping part 11. The core of the first cable is crimped in the crimping space 12A of the second crimping part 12. The first crimping part 11 is connected with the guide 20. The end of the guide 20 away from the crimping piece 10 is sleeved into the prefabricated intermediate joint. The prefabricated intermediate joint is pulled towards the first cable until the end of the prefabricated intermediate joint contacts the insulating outer skin of the first cable. Then, the guide 20 is separated from the second crimping part 12 of the crimping piece 10. At this time, the core of the second cable is crimped in the first crimping space 11A of the first crimping part 11 of the crimping piece 10. The first cable is held tightly and pulled in the opposite direction of the first cable until the prefabricated intermediate joint covers the first cable and the second cable. At this time, the installation of the prefabricated intermediate joint is completed. When the installation tool 100 is not used, the prefabricated intermediate joint often needs to be installed while rotating. Since the first cable and the second cable are too soft, the prefabricated intermediate joint often cannot be advanced when installed to half, and can only be pulled out and reinstalled as a whole. The installation tool 100 of the utility model can solve this problem.

[0037] It can be understood that, in order to enable the crimping piece 10 to be placed in the prefabricated intermediate joint, the outer diameter of the crimping piece 10 should be smaller than the inner diameter of the prefabricated intermediate joint. In order to enable the prefabricated intermediate joint to pass through the guide 20, the outer diameter of the guide 20 should be smaller than the inner diameter of the prefabricated intermediate joint.

[0038] It can be understood that the rigid structure is a metal material, a composite material, a non-metal material or a plastic material. The metal material can be a steel material or an aluminum alloy material. The composite material can be a glass fiber composite material or a carbon fiber composite material. The non-metal material can be a ceramic material. The plastic material can be an engineering plastic such as polycarbonate or polyamide. The material of the rigid structure of the guide 20 is not limited, as long as the guide 20 can maintain stable shape and size and is not easy to deform during use, and can ensure reliable support and guiding effect of the guide 20 during installation, and reduce installation errors caused by deformation of parts.

[0039] The utility model provides an embodiment, please refer to Figure 5 、 Figure 6 One end of the guide 20 away from the crimping piece 10 is provided with a fixing hole 20A, and the fixing hole 20A is used for fixing the guide 20.

[0040] It can be understood that in order to facilitate the prefabricated intermediate joint into the guide 20, hold the prefabricated intermediate joint and drag it to the first cable direction, the end of the guide 20 away from the crimping piece 10 needs to be fixed. One end of the guide 20 away from the crimping piece 10 is provided with a fixing hole 20A, and the fixing hole 20A is used for fixing the guide 20. The fixing method can be that a bandage or a bolt passes through the fixing hole 20A of the guide 20 to fix the guide 20 on an external column or other objects.

[0041] The utility model provides an embodiment, the first crimping part 11 has a first crimping inner thread 111, the guide 20 has an outer thread, the guide 20 is inserted into the first crimping space 11A and is connected with the first crimping part 11 in the form of a thread.

[0042] It can be understood that by setting an outer thread at one end of the guide 20 and setting an inner thread on the first crimping part 11, the guide 20 can be conveniently connected or separated from the first crimping part 11 of the crimping piece 10 through the cooperation of the outer thread and the inner thread. The threaded connection is not only simple and convenient, but also can ensure the close cooperation and stability between the guide 20 and the crimping piece 10.

[0043] The utility model provides an embodiment, the first crimping space 11A and the second crimping space 12A are communicated.

[0044] It can be understood that there is no physical separation between the two crimping spaces, forming a continuous channel suitable for crimping of medium and low voltage cables.

[0045] The utility model provides an embodiment, please refer to Figure 3 、 Figure 4 The first crimping space 11A and the second crimping space 12A are provided with a partition plate.

[0046] Understandably, the spacer not only prevents short circuits or electrical interference between cables or conductors in the two crimping spaces, but also enhances the overall structural stability of the crimping component 10, ensuring that it will not deform due to external forces during the crimping process, making it more suitable for crimping high-voltage cables with high electrical isolation requirements.

[0047] This utility model provides an embodiment, please refer to it. Figure 3 , Figure 4 The first crimping space 11A of the first crimping part 11 has a horn-shaped inlet; or, the second crimping space 12A of the second crimping part 12 has a horn-shaped inlet.

[0048] It should be noted that the horn-shaped inlet refers to the gradually widening horn-shaped structure of the inlet of the crimping space, similar to a funnel. This design makes it easier for the cable to enter the crimping space, reducing resistance during the entry process.

[0049] This utility model provides an embodiment, please refer to it. Figure 7 , Figure 8 The installation tool 100 also includes an adapter 30, which connects the crimping member 10 and the guide member 20.

[0050] Understandably, since the first and second cables come in various sizes, the crimping fittings 10 that are compatible with them also come in various sizes. Users can replace the crimping fittings 10 and adapters 30 according to the specific dimensions of the cables without having to replace the guide 20, thus reducing maintenance costs. Therefore, the adapter 30 improves the flexibility and adaptability of the connection between the crimping fittings 10 and the guide 20.

[0051] This utility model provides an embodiment, please refer to it. Figure 7 , Figure 8 The adapter 30 has a first adapter portion 31 and a second adapter portion 32. The first adapter portion 30 is connected to the crimping member 10, and the second adapter portion 32 is connected to the guide member 20.

[0052] Understandably, the end of the adapter 30 near the crimping member 10 is defined as the first adapter 31, and the end near the guide 20 is defined as the second adapter 32. The first adapter 31 is connected to the crimping member 10, and the second adapter 32 is connected to the guide 20.

[0053] This utility model provides an embodiment, please refer to it. Figure 7 , Figure 8The first adapter part 31 has a first adapter external thread 311, the second adapter part 32 has a second adapter external thread 321, the first compression part 11 has a first compression internal thread 111, one end of the guide part 20 has an internal thread 21, the first adapter part 31 is threadedly connected with the first compression part 11, and the second adapter part 32 is threadedly connected with the guide part 20.

[0054] When the installation tool 100 is used, please refer to Figures 1-8 The compression part 10, the adapter part 30 and the guide part 20 are cleaned with alcohol. The compression part 10 has oppositely arranged first and second compression parts 11 and 12. The end of the compression part 10 away from the guide part 20 is defined as the second compression part 12, and the end of the compression part 10 close to the guide part 20 is defined as the first compression part 11. The first compression part 11 has a first compression internal thread 111. The core of the first cable is compressed in the compression space 12A of the second compression part 12. The first compression internal thread 111 of the first compression part 11 of the compression part 10 is connected and fixed with the first adapter external thread 311 of the first adapter part 31 of the adapter part 30 through internal and external thread cooperation. The second adapter external thread 321 of the second adapter part 32 of the adapter part 30 is connected and fixed with the internal thread 21 of the guide part 20 through internal and external thread cooperation. The end of the guide part 20 away from the compression part 10 is sleeved into the prefabricated intermediate joint. The prefabricated intermediate joint is pulled towards the first cable until the end of the prefabricated intermediate joint contacts the insulating outer skin of the first cable. Then the guide part 20 is rotated to separate the guide part 20 from the second adapter part 32 of the adapter part 30. Then the adapter part 30 is rotated to separate the first adapter part 31 of the adapter part 30 from the first compression part 11 of the compression part 10. At this time, the core of the second cable is compressed into the first compression space 11A of the first compression part 11 of the compression part 10. The first cable is held and pulled in the opposite direction of the first cable until the prefabricated intermediate joint covers the first and second cables. At this time, the installation of the prefabricated intermediate joint is completed.

[0055] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and that changes, modifications, substitutions and variations can be made by those skilled in the art without departing from the spirit and scope of the present application.

Claims

1. An installation tool for installing a prefabricated intermediate joint, characterized in that The crimping piece has a first crimping part and a second crimping part arranged oppositely, the first crimping part has a first crimping space, and the second crimping part has a second crimping space, wherein the guide piece is a rigid structure.

2. The mounting tool of claim 1, wherein, The first crimping part has a first crimping internal thread, the guide piece has an external thread, the guide piece extends into the first crimping space and is threadedly connected with the first crimping part.

3. The mounting tool of claim 1, wherein, The first crimping space is arranged in communication with the second crimping space.

4. The mounting tool of claim 1, wherein, An interval plate is arranged between the first crimping space and the second crimping space.

5. The installation tool of claim 1, wherein, The first crimping space of the first crimping part has a trumpet-shaped entrance, or the second crimping space of the second crimping part has a trumpet-shaped entrance.

6. The mounting tool of claim 1, wherein, The installation tool further comprises an adapter piece, the adapter piece connects the crimping piece and the guide piece.

7. The mounting tool of claim 6, wherein, The adapter piece has a first adapter part and a second adapter part, the first adapter part is connected to the crimping piece, and the second adapter part is connected to the guide piece.

8. The mounting tool of claim 7, wherein, The first adapter part has a first adapter external thread, the second adapter part has a second adapter external thread, the first crimping part has a first crimping internal thread, one end of the guide piece has an internal thread, the first adapter part is threadedly connected with the first crimping part, and the second adapter part is threadedly connected with the guide piece.

9. Mounting tool according to any one of claims 1-8, characterized in that The rigid structure is a metal material, a composite material, a non-metal material or a plastic material.

10. The mounting tool of any one of claims 1-8, wherein, One end of the guide piece away from the crimping piece is provided with a fixing hole, and the fixing hole is used for fixing the guide piece.

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