CN212627008U - Intrinsic safety junction box and heading machine - Google Patents
Intrinsic safety junction box and heading machine Download PDFInfo
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- CN212627008U CN212627008U CN202022180157.0U CN202022180157U CN212627008U CN 212627008 U CN212627008 U CN 212627008U CN 202022180157 U CN202022180157 U CN 202022180157U CN 212627008 U CN212627008 U CN 212627008U
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- cable
- intrinsically safe
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Abstract
The utility model discloses an intrinsically safe junction box and a heading machine, wherein the intrinsically safe junction box comprises a box body, a transparent cover plate, a transparent cable joint and a power distribution wiring assembly, the box body is provided with an inner cavity and an opening, and the side wall of the box body is provided with a connecting hole; the transparent cover plate is covered on the opening of the box body; the transparent cable joint is connected with a connecting hole arranged on the side wall of the box body; the distribution wiring assembly is arranged in the inner cavity of the box body and is connected with a cable penetrating into the box body from the transparent cable joint. The utility model discloses a to establish transparent cover plate at the uncovered upper cover of box, make the distribution wiring subassembly in the box and be connected between the cable have the visuality, simultaneously, through set up the transparent cable joint on the lateral wall of box, can also be convenient for observe the connecting hole of box and the connection state of cable, and then improve the connection troubleshooting efficiency to the cable on this ampere of junction box.
Description
Technical Field
The utility model belongs to the technical field of the junction box, concretely relates to this ampere of junction box and entry driving machine.
Background
The coal industry develops to present day, and the branch box of the development machine is widely used for underground connection of coal mines. However, with the increasing level of informatization and the development of the international market, the existing junction box can not completely meet the use requirement.
The traditional junction box cable access device adopts a closed structure, when action problems occur to functional components of the heading machine, related electrical elements need to be checked step by step, and when the junction box is checked, a cable lead device and a box body structure need to be disassembled firstly, so that whether the internal connection problem of the junction box exists or not can be known, and the troubleshooting efficiency is seriously influenced. Moreover, the electronic circuit of the junction box may generate electric spark during operation, which is likely to cause explosion accidents, and the safety and reliability of the junction box need to be improved.
SUMMERY OF THE UTILITY MODEL
To the weak point that above-mentioned prior art exists, the utility model provides an this ampere of junction box and entry driving machine, wherein, this ampere of junction box improves the connection troubleshooting efficiency to the cable on this ampere of junction box through setting up transparent cover and transparent cable joint.
The utility model discloses an aspect provides an this ampere of junction box, include:
the box body is provided with an inner cavity and an opening, and a connecting hole is formed in the side wall of the box body;
the transparent cover plate is covered on the opening of the box body;
the transparent cable joint is connected with a connecting hole arranged on the side wall of the box body;
and the power distribution wiring assembly is arranged in the inner cavity of the box body and is connected with a cable penetrating into the box body from the transparent cable joint.
Furthermore, the box body and the transparent cover plate are both made of explosion-proof materials.
Furthermore, the box body comprises two first box plates which are arranged in parallel and two second box plates which are respectively connected with one ends of the two first box plates, and the length of each first box plate is greater than that of each second box plate; the connecting holes are formed in the two first box plates and one of the two second box plates.
Furthermore, 12 connecting holes are formed in the first box plate, and 3 connecting holes are formed in the second box plate provided with the connecting holes.
Furthermore, a first sealing ring is arranged at the joint of the connecting hole and the transparent cable joint.
Furthermore, a second sealing ring is arranged on the inner wall of the transparent cable connector, and the second sealing ring is used for sealing a gap between the cable and the transparent cable connector.
Further, the box with the transparent cover plate passes through the bolt and can dismantle the connection, just the uncovered of box with be equipped with the third sealing washer between the transparent cover plate.
Further, the power distribution wiring assembly includes:
the distribution board is connected with the bottom of the inner cavity of the box body;
a rail connected to a top of the distribution board;
and the wiring terminal is connected with the top of the guide rail and is used for being connected with a cable penetrating into the box body from the transparent cable joint.
Furthermore, a fixing hole is formed in a bottom plate of the box body, and the box body is fixed to a position to be installed through the matching of the fixing hole and the bolt.
The utility model discloses another aspect provides a heading machine, include as above-mentioned an ann junction box.
The utility model provides a pair of this ampere of junction box and entry driving machine, wherein, a this ampere of junction box establishes the transparent cover through the uncovered upper cover that will be at the box, makes the distribution wiring subassembly in the box and is connected between the cable have visuality, simultaneously through set up transparent cable joint on the lateral wall of box, can also be convenient for observe the connecting hole of box and the connection state of cable, and then improve the connection troubleshooting efficiency to the cable on this ampere of junction box.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an intrinsically safe junction box according to an exemplary embodiment of the present invention;
fig. 2 is a front view of an intrinsically safe junction box according to an exemplary embodiment of the present invention;
fig. 3 is a cross-sectional view of an intrinsically safe junction box in accordance with an exemplary embodiment of the present invention;
fig. 4 is a top view of a housing of an exemplary embodiment of the present invention;
fig. 5 is a cross-sectional view of an intrinsically safe junction box in accordance with an exemplary embodiment of the present invention;
fig. 6 is a partially enlarged view of a junction between a connection hole and a transparent cable joint according to an exemplary embodiment of the present invention.
In the figure:
1-box body, 101-connecting hole, 102-first box plate, 103-second box plate and 104-fixing hole;
2-a transparent cover plate;
3-a transparent cable joint;
4-a first sealing ring;
5-a second sealing ring;
6-third sealing ring;
7-a distribution board;
8-a guide rail;
9-a connecting terminal.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The utility model provides an intrinsic safety junction box, see fig. 1 to 5, the junction box comprises a box body 1, a transparent cover plate 2, a transparent cable joint 3 and a distribution wiring assembly, the box body 1 is provided with an inner cavity and an opening, and a connecting hole 101 is arranged on the side wall of the box body 1; the transparent cover plate 2 is covered on the opening of the box body 1; the transparent cable joint 3 is connected with a connecting hole 101 arranged on the side wall of the box body 1; the distribution wiring assembly is arranged in the inner cavity of the box body 1 and is connected with a cable penetrating into the box body 1 from the transparent cable joint 3.
Establish transparent cover 2 through the uncovered upper cover that will be at box 1, make the distribution wiring subassembly in box 1 and be connected between the cable have the visuality, simultaneously through set up transparent cable joint 3 on the lateral wall of box 1, can also be convenient for observe the connecting hole 101 of box 1 and the connection state of cable, and then improve the connection troubleshooting efficiency to the cable on this arrangement junction box.
As a preferred embodiment, the box body 1 and the transparent cover plate 2 are both made of explosion-proof materials. In the embodiment, the box body 1 and the transparent cover plate 2 are made of explosion-proof materials, so that the box body 1 and the transparent cover plate 2 have explosion-proof performance, further, the explosion of the box body 1 caused by the electric spark of an electronic circuit of the junction box is avoided, and further, the safety and the reliability of the junction box are improved.
As another preferred embodiment, the box body 1 includes two first box plates 102 arranged in parallel, and two second box plates 103 respectively connected to one ends of the two first box plates 102, and the length of the first box plate 102 is greater than that of the second box plate 103; the coupling holes 101 are provided in the two first tank plates 102 and one second tank plate 103 of the two second tank plates 103. In the present embodiment, the first box plate 102 and the second box plate 103 are fixedly connected to form the box body 1 by welding, wherein the two second box plates 103 are also arranged in parallel.
In a preferred embodiment, 12 connecting holes 101 are formed in the first box plate 102, and 3 connecting holes 101 are formed in the second box plate 103 having the connecting holes 101. In the present embodiment, each three connecting holes 101 constitute one connecting hole group, and therefore, four connecting hole groups are provided in each of the two first case plates 102, and one connecting hole group is provided in one of the two second case plates 103.
As another preferred embodiment, referring to fig. 6, the junction of the junction hole 101 and the transparent cable joint 3 is provided with a first packing 4. In the present embodiment, the first packing 4 is provided at the connection between the connection hole 101 and the transparent cable joint 3, so that the sealing property of the case 1 can be increased.
As a further preferred embodiment, a second sealing ring 5 is provided on the inner wall of the transparent cable joint 3, and the second sealing ring 5 is used for sealing the gap between the cable and the transparent cable joint 3. In the embodiment, the second sealing ring 5 is arranged on the inner wall of the transparent cable joint 3, so that a gap between the cable and the transparent cable joint 3 is sealed, and the box body 1 is ensured to have good sealing performance after the cable is connected.
As another embodiment, the box body 1 and the transparent cover plate 2 are detachably connected by bolts, and a third sealing ring 6 is arranged between the opening of the box body 1 and the transparent cover plate 2. In this embodiment, be equipped with third sealing washer 6 between the uncovered of box 1 and transparent cover 2, can guarantee that box 1 and transparent cover 2 pass through bolted connection back, and box 1 has better leakproofness.
As a further embodiment, the power distribution wiring assembly comprises a power distribution board 7, a guide rail 8 and a wiring terminal 9, wherein the power distribution board 7 is connected with the bottom of the inner cavity of the box body 1; the guide rail 8 is connected with the top of the distribution board 7; the connection terminal 9 is connected to the top of the guide rail 8 for connection with a cable which is threaded into the case 1 from the transparent cable connector 3. In the present embodiment, by providing the distribution board 7, the guide rail 8, and the connection terminal 9 in the cavity of the box body 1, the connection of the cable to the distribution wiring assembly in the cavity of the box body 1 and the arrangement in the cavity of the box body 1 can be facilitated.
In another embodiment, the bottom plate of the box 1 is provided with a fixing hole 104, and the box 1 is fixed at the position to be installed by the cooperation of the fixing hole 104 and the bolt. In the embodiment, the fixing hole 104 is provided to facilitate the positioning of the box 1, thereby avoiding the confusion and damage of the cable caused by the movement of the cable along with the box 1.
The utility model provides a pair of heading machine, include as above-mentioned an ann junction box.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An intrinsically safe junction box, comprising:
the box body (1) is provided with an inner cavity and an opening, and a connecting hole (101) is formed in the side wall of the box body (1);
the transparent cover plate (2) is covered on the opening of the box body (1);
the transparent cable joint (3) is connected with a connecting hole (101) formed in the side wall of the box body (1);
and the power distribution wiring assembly is arranged in the inner cavity of the box body (1) and is connected with a cable penetrating into the box body (1) from the transparent cable joint (3).
2. The intrinsically safe junction box of claim 1, wherein the box body (1) and the transparent cover plate (2) are both made of explosion-proof material.
3. The intrinsically safe junction box of claim 1, wherein the box body (1) comprises two first box plates (102) arranged in parallel and two second box plates (103) respectively connected to one ends of the two first box plates (102), and the length of the first box plates (102) is greater than the length of the second box plates (103); the connecting holes (101) are formed in the two first box plates (102) and one second box plate (103) of the two second box plates (103).
4. The intrinsically safe junction box of claim 3, wherein 12 attachment holes (101) are provided in the first box plate (102) and 3 attachment holes (101) are provided in the second box plate (103) provided with the attachment holes (101).
5. The intrinsically safe junction box of claim 4, wherein a first sealing ring (4) is provided at the junction of the connection hole (101) and the transparent cable joint (3).
6. The intrinsically safe junction box of claim 4, wherein the inner wall of the transparent cable joint (3) is provided with a second sealing ring (5), the second sealing ring (5) being used for sealing a gap between the cable and the transparent cable joint (3).
7. The intrinsically safe junction box of claim 1, wherein the box body (1) and the transparent cover plate (2) are detachably connected by bolts, and a third sealing ring (6) is arranged between an opening of the box body (1) and the transparent cover plate (2).
8. The intrinsically safe junction box of claim 1, wherein the distribution junction assembly comprises:
the distribution board (7) is connected with the bottom of the inner cavity of the box body (1);
a guide rail (8) connected to the top of the distribution board (7);
and the wiring terminal (9) is connected with the top of the guide rail (8) and is used for being connected with a cable penetrating into the box body (1) from the transparent cable joint (3).
9. The intrinsically safe junction box of claim 1, wherein a bottom plate of the box body (1) is provided with fixing holes (104), and the box body (1) is fixed at a position to be installed through the matching of the fixing holes (104) and bolts.
10. A heading machine comprising an intrinsically safe distribution box as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180157.0U CN212627008U (en) | 2020-09-28 | 2020-09-28 | Intrinsic safety junction box and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180157.0U CN212627008U (en) | 2020-09-28 | 2020-09-28 | Intrinsic safety junction box and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212627008U true CN212627008U (en) | 2021-02-26 |
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ID=74701729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022180157.0U Active CN212627008U (en) | 2020-09-28 | 2020-09-28 | Intrinsic safety junction box and heading machine |
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|---|---|
| CN (1) | CN212627008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086920A (en) * | 2020-09-28 | 2020-12-15 | 三一重型装备有限公司 | Intrinsic safety junction box and heading machine |
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2020
- 2020-09-28 CN CN202022180157.0U patent/CN212627008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086920A (en) * | 2020-09-28 | 2020-12-15 | 三一重型装备有限公司 | Intrinsic safety junction box and heading machine |
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