CN202658949U - Cable terminal platform and cable terminal tower comprising same - Google Patents

Abstract

The utility model provides a cable terminal platform and a cable terminal tower comprising the same. The cable terminal platform includes: a platform main body; at least one group of cable terminal installation components arranged on the platform main body, each group of cable terminal installation components includes three installation parts for installing cable terminal heads, and the three installation parts are arranged so that the distance between each other The distance and the minimum distance between the cable terminal head and the main body of the platform are greater than the safe distance when the wire is charged. In the utility model, the cable terminal platform installed with the cable terminal head replaces the current conversion booth used for installing the cable terminal head, which not only saves the cost and the occupied area, but also has a simple structure and is easy to move, and can be installed in on the cable terminal tower, which simplifies the installation of cable lugs.

Description

Cable terminal platform and cable terminal tower including same

technical field

The utility model relates to the field of transmission line design, in particular to a cable terminal platform and a cable terminal tower including the same.

Background technique

At present, in the process of power line construction, many overhead lines have to be converted into underground power cables due to the limitation of paths. Correspondingly, the wires on the iron tower should also be turned into cables. At present, the cables are connected from the ground to the ground and the wires. In order to facilitate the connection of cables and wires, a special line conversion room is usually set up near the cable tower. For the connection of cables and wires, this kind of line conversion booth not only occupies a large space, but also has a large investment, and its safety is difficult to guarantee.

Utility model content

The utility model aims to provide a cable terminal platform and a cable terminal tower including the same, so as to solve the problem of high connection cost of wires and cables in the prior art.

In order to achieve the above object, according to one aspect of the utility model, a cable terminal platform is provided. The cable terminal platform includes: a platform main body; at least one set of cable terminal installation components, which are installed on the platform main body. The three installation parts of the cable terminal head are arranged so that the distance between the three installation parts and the minimum distance between the cable terminal head and the platform main body are greater than the safety distance when the wire is charged.

Further, the above-mentioned platform main body includes a plurality of first brackets parallel to each other and a plurality of second brackets parallel to each other, the first brackets and the second brackets are connected vertically, and each group of cable terminal installation components is located on the first bracket and the second bracket. Each corresponding space surrounded by the brackets is connected with the first bracket and/or the second bracket.

Further, the above-mentioned platform body includes: at least four first brackets with equal lengths; at least four second brackets with equal lengths, wherein two first brackets on the outside are connected end-to-end with two second brackets on the outside to form a closed The rest of the first brackets intersect with the rest of the second brackets in the first rectangle to form a plurality of second rectangles, and each group of cable terminal installation components is arranged along the center line parallel to the first bracket in the first rectangle. In the second rectangle, the installation part of the cable terminal installation assembly is connected to the first bracket and/or the second bracket.

Further, the above-mentioned cable terminal platform also includes a connecting frame group corresponding to each installation part of each cable terminal installation assembly, each connecting frame group includes at least two connecting frames, and the first end of each connecting frame is fixed on the first rectangular On the first bracket, the second end extends in a direction parallel to the second bracket, and extends into a second rectangle distributed parallel to the center line, and each mounting part is fixed on the connecting frame group.

Further, each connecting frame in the connecting frame set is at least partially fixedly connected to the first bracket located between two ends thereof.

Further, the above-mentioned platform body also includes a third bracket for connecting the second rectangular first bracket and the second bracket distributed along the parallel to the center line, the material of the third bracket is aluminum alloy; the material of the connecting frame is channel steel , the second end of each connecting frame in the connecting frame group extends to a position close to the first bracket away from the first end of the connecting frame in the second rectangle distributed parallel to the center line; or the material of the connecting frame is aluminum alloy, and the connecting frame The second end of each connecting frame in the group is connected to the first bracket away from the first end of the connecting frame in a second rectangle distributed parallel to the center line.

Further, the above-mentioned cable terminal platform further includes a support frame for supporting workers to work, and the support frame is arranged in each of the second rectangles without installation parts.

Further, the above-mentioned cable terminal platform further includes a guardrail extending vertically upward from the main body of the platform, and the guardrail is connected with the first support and the second support to form a ring structure.

Further, the above-mentioned installation part includes a base with a through hole, and the base is fixed on the connecting frame.

According to another aspect of the present utility model, a cable terminal tower is also provided. The cable terminal tower includes at least one cable terminal platform described above. The cable terminal platform is arranged between the lower cross arm of the cable terminal tower and the ground, The vertical distance of the cross arm and the vertical distance from the ground are greater than the safety distance of the cable terminal tower.

Further, any loop of the above-mentioned cable terminal tower corresponds to a cable terminal installation assembly on the cable terminal platform, and each cable terminal head located in the same loop is respectively connected to the lower cross arm, the middle cross arm or the upper cross arm of the cable terminal tower through wires. On the wires of the cross arm, and the cable terminal head of each cable terminal installation component is equipped with a lightning arrester, and the lightning arrester is arranged on the cable terminal tower between the cable terminal platform and the lower cross arm.

Further, the cable terminal head located in the middle of any one of the above-mentioned cable terminal installation components is connected to the wire on the lower cross arm of the cable terminal tower through a wire; the two cable terminal heads on both sides are respectively connected to the cable terminal tower through a wire The middle cross arm or the wire on the upper cross arm.

The utility model replaces the current small room used for installing the cable terminal head with the cable terminal platform provided with the cable terminal head, which not only saves the cost and the occupied area, but also has a simple structure and is easy to move, and can be installed on the cable terminal platform. on the terminal tower, which simplifies the installation of cable lugs.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows a schematic structural view of a cable terminal platform according to a preferred embodiment of the present invention;

Fig. 2 shows a schematic structural view of a cable terminal platform according to another preferred embodiment of the present invention;

Fig. 3 shows a schematic structural diagram of a cable terminal platform according to yet another preferred embodiment of the present invention;

Fig. 4 shows a schematic structural view of the combination of two cable terminal towers shown in Fig. 3, in order to make the illustration clearer, the cable terminal platform on the right side in Fig. 4 omits the support frame; and

Fig. 5 shows the front view of the cable termination tower installed with the cable termination platform shown in Fig. 3;

FIG. 6 shows a side view of the cable termination tower shown in FIG. 5 .

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In a typical embodiment of the utility model, a cable terminal platform is provided. The cable terminal platform includes a platform main body and at least one set of cable terminal installation components. The cable terminal installation components are arranged on the platform main body 1. Each set of cable terminal The installation assembly includes three installation parts 2 for installing cable terminals, and the three installation parts 2 are arranged so that the distances between each other and the minimum distance between the cable terminals and the platform main body 1 are greater than the safety distance when the wire is charged.

In the utility model, the cable terminal platform provided with the cable terminal head is used to replace the conversion booth currently used for installing the cable terminal head, which not only saves the cost and the occupied area, but also has a simple structure and is easy to move, and can be installed in on the cable terminal tower, which simplifies the installation of cable lugs.

The platform main body 1 of the present utility model can have multiple design methods, can be designed as a flat plate and is provided with a mounting part 2 on it, for the consideration of saving cost and simplifying the structure, preferably the platform main body 1 is designed as a form of a frame, that is , the platform main body 1 includes a plurality of first brackets 11 parallel to each other and a plurality of second brackets 12 parallel to each other, the first brackets 11 and the second brackets 12 are vertically connected, and each group of cable terminal installation components is located on the first bracket 11 Each corresponding space surrounded by the second bracket 12 is connected with the first bracket 11 and/or the second bracket 12 . The lengths of the first bracket 11 and the second bracket 12 can be designed to be different in length, and the outer peripheral side of the platform main body 1 formed by their intersection can be in the shape of a rectangle, an arc, or the like. On the premise that the platform main body 1 has the stability to support the installation part 2, the first support 11 and the second support 12 can adopt the above-mentioned perpendicular intersecting form, or can adopt an oblique intersecting form.

In a preferred embodiment of the present invention, the platform main body 1 of the above-mentioned cable terminal platform includes at least four first brackets 11 with equal lengths and at least four second brackets 12 with equal lengths, two of which are located outside the first brackets 11. A bracket 11 is connected end to end with two second brackets 12 located on the outside to form a closed first rectangle, and the rest of the first brackets 11 and the remaining second brackets 12 intersect in the first rectangle to form a plurality of second rectangles, and each group of cables The terminal installation assembly is arranged in a second rectangle parallel to the center line of the first bracket 11 in the first rectangle, and the installation part 2 of the cable terminal installation assembly is connected to the first bracket 11 and/or the second bracket 12 located inside .

As shown in Figure 1, the platform main body 1 is formed by using the first support 11 and the second support 12, and the structure of the cable terminal platform is simple; and the platform main body formed by the vertical connection of the first support 11 and the second support 12 has better stability Each group of cable terminal installation components is arranged in a second rectangle parallel to the center line of the first bracket 11 in the first rectangle, and a cable terminal installation component is arranged in each of the second rectangles, thereby ensuring that the installation part 2 stable installation. The number of the first bracket 11 and the second bracket 12 is not limited to four, the more the number, the better the stability of the platform main body 1, but the cost will increase accordingly, those skilled in the art can according to the installation environment of the cable terminal platform Reasonably design the number of the first support 11 and the second support 12 according to the cost budget.

In another preferred embodiment of the present invention, the cable terminal platform further includes a connecting frame group corresponding to each mounting part 2 in each cable terminal mounting assembly, and each connecting frame group includes at least two connecting frames 3, each The first end of the connecting frame 3 is fixed on the first bracket 11 forming the first rectangle, the second end extends in a direction parallel to the second bracket 12, and extends into a second rectangle distributed parallel to the center line. Part 2 is fixed on the connecting frame group.

As shown in Figures 1 to 3, the cable terminal platform with the above structure fixes the installation part 2 on the platform main body 1 through the connecting frame 3, so that the position of the installation part 2 relative to the platform main body 1 is more stable, and the cable can be guaranteed Security of use of the terminal platform.

In order to further enhance the stability of the cable terminal installation assembly, preferably each connecting frame 3 in the connecting frame set is at least partially fixedly connected to the first bracket 11 located between its two ends.

As shown in Fig. 3 and Fig. 4, the platform body 1 forming the utility model also includes a third bracket 13 for connecting the second rectangular first bracket 11 and the second bracket 12 distributed along the center line, the third The material of the support 13 is aluminum alloy; the material of the connecting frame 3 is channel steel, and the second end of each connecting frame 3 in the connecting frame group extends to the second rectangle distributed close to the center line and away from the first end of the connecting frame 3 The position of the first bracket 11; or the material of the connecting frame 3 is aluminum alloy, and the second end of each connecting frame 3 in the connecting frame group is far away from the connecting frame 3 first in the second rectangle distributed parallel to the center line. The first bracket 11 at the end is connected.

The third support 13 connecting the first support 11 and the second support 12 is set in the space between the connecting frame groups, and the third support 13 is made of aluminum alloy, which can realize the connection between the first support 11 and the second support 12. Function, and can effectively prevent the magnetic circuit of the cable from closing. When the connecting frame 3 made of channel steel is arranged on the platform main body 1, in order to prevent the part of the connecting frame 3 provided with the mounting part 2 and the platform main body 1 from forming a magnetic circuit closed, each connecting frame 3 in the connecting frame group The second end is isolated from the first bracket 11 that is far away from the first end of the connecting frame 3 in the second rectangle distributed parallel to the center line. When the connection frame 3 made of aluminum alloy is arranged on the platform main body 1, the second end of each connection frame 3 in the connection frame group is connected to the second rectangle distributed parallel to the center line away from the first end of the connection frame 3 The first bracket 11 will not form a closed magnetic circuit.

In order to facilitate the installation of the cable terminal in the installation part 2, and the installation of the installation part 2 on the cable terminal platform, an area for workers to work is set on the cable terminal platform, preferably, as shown in Figures 3 and 4, the cable terminal The platform also includes a support frame 4 for supporting workers to work, and the support frame 4 is arranged in the second rectangle where no installation part 2 is provided.

In order to further ensure the safety of workers when working on the cable terminal platform, preferably, as shown in FIG. 12 connected to form a ring structure.

In yet another preferred embodiment of the present invention, the installation part 2 includes a base 21 having a through hole, and the base 21 is fixed on the connecting frame 3 . After the cable passes through the through hole of the base 21, use the cable terminal head to connect with the wire. Since the base 21 is fixed on the connecting frame 3, when the cable wire passes through the base 21 and connects with the wire through the cable terminal head, its joint position The stability is better.

In order to facilitate the assembly of the cable terminal platform and installation on other devices, it is preferred that each component in the cable terminal platform such as between the first support 11 and the second support forming the platform main body 1, between the connecting frame 3 and the first support 11, and the second support Between them, between the installation part 2 and the connecting frame 3, screw connection or welding can be used to connect, so as to facilitate the transportation of the cable terminal platform and the installation on other devices.

In another typical embodiment of the present utility model, a kind of cable terminal tower is also provided, as shown in Figure 5 and Figure 6, the cable terminal tower comprises at least one above-mentioned cable terminal platform 10, and the cable terminal platform 10 is arranged on Between the lower cross arm 20 of the cable terminal tower and the ground, the vertical distance from the lower cross arm 20 and the ground are greater than the safety distance of the cable terminal tower.

In order to ensure the safety of power transmission, the vertical distance between the cable terminal platform 10 and the lower cross arm 20 is greater than the safe distance of the cable terminal tower. The safe distance of the cable terminal tower refers to the requirements for the highest transmission voltage of the cables connected to the cable terminal tower. The distance to ensure personal safety, for example, when the transmission voltage is 110KV, the safety distance is 1.5m.

In yet another preferred embodiment of the present invention, any loop of the cable terminal tower corresponds to a cable terminal installation assembly on the cable terminal platform 10, and each cable terminal head in the same loop is connected to the cable terminal tower by wires respectively. On the wires of the lower cross arm 20, the middle cross arm 30 or the upper cross arm 40, and the cable terminal head of each cable terminal installation assembly is equipped with a lightning arrester 50, the lightning arrester 50 is arranged between the cable terminal platform 10 and the lower cross arm 20 Cable terminal tower. When the cable terminal tower supports single-circuit line transmission, only one cable terminal platform 10 is set on the cable terminal tower; when the cable terminal tower supports double-circuit line transmission, two values along the cable terminal tower are set on the cable terminal tower Axisymmetric cable terminal platform 10, when the cable terminal tower supports multi-circuit line transmission, each circuit is correspondingly provided with a cable terminal platform 10 with three cable terminals; and a lightning arrester 50 is configured for each cable terminal installation assembly to ensure The safety of the cable terminal platform 10 installed in the cable terminal tower when exposed to the outside; the utility model adopts the insulation method commonly used in the prior art, that is, an insulator is used to insulate the wire from the cable terminal platform 10 to ensure safety.

The connection relationship between the cable terminal head and the wires on each cross arm of the cable terminal tower is optimized: the cable terminal head located in the middle of any cable terminal installation assembly is connected to the wire on the lower cross arm 20 of the cable terminal tower through a wire ; The two cable terminals on both sides are respectively connected to the wires on the middle cross arm 30 or the upper cross arm 40 of the cable terminal tower through wires. Adopting the above-mentioned connection relationship is not only beneficial for workers to connect the wires with the cable terminal head, but also makes the wires of the cable terminal tower cross, ensuring the stability and safety of the cable terminal tower and the wires.

The cable terminal platform 10 of the present utility model can be installed on the cable terminal tower in various ways. For the convenience of installation and the stability of the cable terminal platform 10 on the cable terminal tower, the cable terminal tower and the cable terminal platform 10 are preferably screwed together. or welding.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (12)

1. a cable shoe platform is characterized in that, described cable shoe platform comprises:

Main platform body (1);

At least one group of cable shoe installation component, arrange on the described main platform body (1), each organizes three installation portions (2) that described cable shoe installation component comprises the installing cables terminals, and three described installation portions (2) are arranged so that distance and the minimum range of the described main platform body of described cable terminal distance (1) safe distance when all charged greater than wire each other.

2. cable shoe platform according to claim 1, it is characterized in that, described main platform body (1) comprises a plurality of the first supports (11) that are parallel to each other and a plurality of the second support (12) that is parallel to each other, described the first support (11) vertically links to each other with the second support (12), and each is organized described cable shoe installation component and all is positioned at each corresponding space of being surrounded by described the first support (11) and the second support (12) and links to each other with described the first support (11) and/or the second support (12).

3. cable shoe platform according to claim 2 is characterized in that, described main platform body (1) comprising:

Described first support (11) of at least four equal in length;

Described second support (12) of at least four equal in length, wherein two described the first supports (11) that are positioned at the outside join end to end with two described the second supports (12) that are positioned at the outside and form the first rectangle of sealing, remaining described first support (11) intersects a plurality of the second rectangles of formation with all the other described second supports (12) in described the first rectangle, each is organized described cable shoe installation component and is arranged in described the second rectangle that distributes along the center line that is parallel to the first support (11) described in described the first rectangle, the installation portion of described cable shoe installation component (2) and described the first support (11) with or described the second support (12) link to each other.

4. cable shoe platform according to claim 3, it is characterized in that, described cable shoe platform also comprise with each described cable shoe installation component in each installation portion (2) link group one to one, each described link group comprises two links (3) at least, each described link (3) first end is fixed on the first support (11) that forms described the first rectangle, the second end extends along the direction that is parallel to described the second support (12), and extend to along in described the second rectangle that is parallel to described center line distribution, each described installation portion (2) is fixed on the described link group.

5. cable shoe platform according to claim 4 is characterized in that, each link (3) in the described link group and at least part of being fixedly connected with of described the first support (11) between its two ends.

6. cable shoe platform according to claim 4 is characterized in that,

Described main platform body (1) comprises that also the material of described the 3rd support (13) is aluminium alloys for connecting along first support (11) of described the second rectangle that is parallel to described center line distribution and the 3rd support (13) of the second support (12);

The material of described link (3) is channel-section steel, and second end of each link (3) in the described link group extends to and approaches the position be parallel in described the second rectangle that described center line distributes away from described first support (11) of described link (3) first end; Or

The material of described link (3) is aluminium alloys, second end of each link (3) in the described link group be parallel to described the second rectangle that described center line distributes in link to each other away from described first support (11) of described link (3) first end.

7. cable shoe platform according to claim 3, it is characterized in that, described cable shoe platform also comprises the bracing frame (4) for the support workers operation, and support frame as described above (4) is arranged on each and is not provided with in described second rectangle of described installation portion (2).

8. cable shoe platform according to claim 3, it is characterized in that, described cable shoe platform also comprises the guardrail (5) that extends vertically upward with described main platform body (1), described guardrail (5) links to each other with described the second support (12) with described the first support (11), forms loop configuration.

9. each described cable shoe platform in 8 according to claim 4 is characterized in that described installation portion (2) comprises the base (21) with through hole, and described base (21) is fixed on the described link (3).

10. cable termination tower, it is characterized in that, described cable termination tower comprises each described cable shoe platform (10) at least one claim 1 to 9, described cable shoe platform (10) is arranged between the lower cross-arm (20) and ground of described cable termination tower, and with the vertical distance of described lower cross-arm (20) and with the vertical distance on the described ground safe distance greater than described cable termination tower.

11. cable termination tower according to claim 10, it is characterized in that, a cable shoe installation component on the corresponding described cable shoe platform in arbitrary loop (10) of described cable termination tower, each the described cable terminal that is arranged in the same circuit is wired to respectively the lower cross-arm (20) of described cable termination tower, on the wire of middle cross-arm (30) or upper cross-arm (40), and the cable terminal of each a described cable shoe installation component configuration arrester (50), described arrester (50) are arranged on the cable termination tower between described cable shoe platform (10) and the described lower cross-arm (20).

12. cable termination tower according to claim 11 is characterized in that, the cable terminal that is positioned at the centre position of described any one cable shoe installation component is wired to the wire on the lower cross-arm (20) of described cable termination tower; Two cable terminals that are positioned at both sides are connected respectively on the middle cross-arm (30) or the wire on the upper cross-arm (40) of described cable termination tower by wire.

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