CN209267058U - A kind of cross-connect case grounding box with safety screen - Google Patents

Abstract

The utility model embodiment discloses a kind of cross-connect case grounding box with safety screen; including cabinet, case lid and the internal components that the box house is arranged in; the internal components, which include at least, multiple protectors; the cabinet extends around flange face, the interval setting mounting hole on the flange face；Mounting hole is arranged in the case lid circumferentially-spaced, and the mounting hole on the flange face of the cabinet surrounding is aligned with the mounting hole of the case lid surrounding, and is fixed by bolt；It further comprise having safety protection guard structure in the cabinet, the safety protection guard structure, which includes at least, bulletproof glass baffle, and the bulletproof glass baffle covers the multiple protectors of institute.Implement the utility model embodiment, when unpacking, protector can be constrained and explode the splashing of the fragment to be formed, raising safety.

Description

A kind of cross-connect case grounding box with safety screen

Technical field

The utility model relates to Voltage Cable Lines Construction field, in particular to a kind of cross-connect case ground connection with safety screen Case.

Background technique

With the high speed development in city, to elements such as land used anxiety, public safety, landscape and the power grid securities in urban district It is required that main large- and-medium size cities are largely using Voltage Cable Lines Construction substitution overhead transmission line to City Substation power transmission.High-voltage electricity Cable routes cable and attachment main equipment and metallic shield grounding protection affiliated facility composition, long cable circuit to protective metal shell into Row sectionalised protection grounding, most typical is cross-connect protective grounding mode, and this mode of connection need to pass through cross-connect Grounding box is realized.

After cross-connect grounding box case lid is opened, i.e., cross-connect plate and protector in visible case etc., due to protector Long-term work with voltage, once can damage always, it may occur that explosion, the fragment meeting four of protector, which dissipates, splashes, and jeopardizes electrification work of unpacking There is very big security risk in industry personnel, be the dangerous point of livewire work.

Utility model content

Technical problem to be solved by the utility model is to provide a kind of, and the cross-connect case with safety screen is grounded Case can be constrained protector and explode the splashing of the fragment to be formed, improve safety when unpacking.

In order to solve the above-mentioned technical problem, it is mutual to provide a kind of intersection with safety protection guard for the embodiments of the present invention Even grounding box, including cabinet, case lid and the internal components that the box house is arranged in, the internal components, which include at least, to be had Multiple protectors, wherein the cabinet extends around flange face, the interval setting mounting hole on the flange face；

Mounting hole, mounting hole and the case lid four on the flange face of the cabinet surrounding is arranged in the case lid circumferentially-spaced The mounting hole alignment in week, and be fixed by bolt；

It further comprise having safety protection guard structure in the cabinet, the safety protection guard structure includes at least There is bulletproof glass baffle, the bulletproof glass baffle covers the multiple protectors of institute.

Preferably, the safety protection guard structure includes that there are four fixed frids and multiple, is respectively arranged at described The two sides of multiple protectors；It is fixed between every side, two fixed frids by fixing pin, and forms vacant slot, Two sides of the bulletproof glass baffle are divided into the vacant slot.

Preferably, there are three inlet wire pipes for setting in the cabinet one side wall, are arranged on another side wall of the cabinet There is earthing pole casing.

Preferably, the internal components include at least: more cross-over blocks, two pieces of insulation boards, earthing pole connecting plate, coaxial electrical The fixed fitting of the outer core conductor of cable, three pieces of cross-connect side plates, the fixed fitting of coaxial cable inner core conductor, protector and three pieces of guarantors Protect device connecting plate.

Implement the utility model embodiment, has the following beneficial effects:

Cross-connect case grounding box provided by the utility model with safety screen, by being protected in cross-connect case The protective baffle plate that installation bulletproof glass is constituted above device effective can prevent cross-connect case from charging in maintenance process of unpacking, Protector failure occurs explosion and damages to service personnel, meanwhile, it also can pass through the appearance that bulletproof glass observes protector It is whether normal.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is a kind of fractionation structural representation of cross-connect case grounding box with safety screen provided by the utility model Figure；

Fig. 2 is the structural schematic diagram of the protective baffle plate structure in Fig. 1；

Fig. 3 is the structural schematic diagram that structure removes after protective baffle plate structure in Fig. 1 raising middle flask.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It describing clear and completely, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work Under all other embodiment obtained, fall within the protection scope of the utility model.

Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this The little other details of new relationship.

As shown in Figure 1, showing the fractionation knot of the cross-connect case grounding box provided by the utility model with safety screen Structure schematic diagram；It is combined shown in Fig. 2 and Fig. 3 together, the grounding box includes cabinet 1, case lid 2, and is arranged in the cabinet 1 The internal components in portion, the internal components, which include at least, multiple protectors 148, in which:

The cabinet 1 extends around flange face 10, and the first mounting hole 11 is arranged at intervals on the flange face 10；

2 circumferentially-spaced of case lid is provided with the second mounting hole 21, the first mounting hole on the flange face 10 of the cabinet 1 11 and the case lid 2 on corresponding second mounting hole 21 be aligned, and be fixed by multiple bolt (not shown).

It further comprise having safety protection guard structure 5 in the cabinet 1, the safety protection guard structure 5 is at least It include bulletproof glass baffle 50, the bulletproof glass baffle 50 covers the multiple protectors 148 of institute.

As shown in Fig. 2, more specifically, the safety protection guard structure 5 include there are four fixed frid 51 and multiple, It is respectively arranged at the two sides of the multiple protector 148；Between every side, two fixed frids 51 by fixing pin 52 into Row is fixed, and forms vacant slot 53, and two sides of the bulletproof glass baffle 50 are divided into the vacant slot 53.

More specifically, there are three inlet wire pipes 12 for setting in 1 one side wall of cabinet, in another side wall of the cabinet 1 On be provided with earthing pole casing 13.

As shown in figure 3, the internal components include at least: multiple cross-over blocks 141, insulation board 142, earthing pole connecting plate 143, the fixed fitting 145 of the outer core conductor of coaxial cable, cross-connect side plate 146, the fixed fitting 147 of coaxial cable inner core conductor, Protector 148 and protector connecting plate 149.

Wherein, multiple cross-over blocks 141 are provided on the bottom surface in the cabinet 1；

Two pieces of insulation boards 142, parallel and interval setting, both ends are fixed on 141 upper surface of cross-over block, wherein First insulation board is arranged at intervals with the fixed fitting 145 of the outer core conductor of three coaxial cables close to three inlet wire pipes 12 thereon； The fixed fitting 147 of three coaxial cable inner core conductors is arranged at intervals on second insulation board；

Earthing pole connecting plate 143 is set on cross-over block 141, and parallel with two pieces of insulation boards 142 and be in In same level, one end is connected with the earthing pole casing 3；

Wherein, fixed 145 upper surface of fitting of the outer core conductor of three coaxial cables of the first insulation board is separately connected an intersection Interconnect side plate 146, a coaxial cable inner core conductor on each other end and the second insulation board for intersecting mutual side plate 11 The upper surface of fixed fitting 147 is connected；

Three protectors 148, each protector 148 are cylindrical structure, and connection conductive column is stretched out at both ends；Each protector 148 are vertically fixed on earthing pole connecting plate 143, and the upper end connection conductive column card is fixed with 149 one end of protector connecting plate, institute The other end for stating protector connecting plate 149 is connected with the upper surface of the fixed fitting 147 of a coaxial cable inner core conductor.

Specifically, three pieces of cross-connect side plates 146 by " downwards right-falling stroke " or " pressing down downwards " mode with the coaxial cable of two sides outside Core conductor fixes the fixed fitting 147 of fitting 145, coaxial cable inner core conductor and is connected.

In one example, the cabinet 1, inlet wire pipe 12, box flange face 11, case lid 2 are all made of stainless steel material；Institute It states the fixed fitting 145 of the outer core conductor of coaxial cable, cross-connect side plate 146, the fixed fitting 147 of coaxial cable inner core conductor, protect Shield device connecting plate 149, earthing pole connecting plate 143 are all made of copper product, and the cross-over block 141 and insulation board 142 are all made of ring Oxygen plate.

It is understood that in the present invention, oversheath of the cross-connect grounding box for high-tension cable road is grounded The cross-connect wiring of protection, three-phase have stripped external insulation to the coaxial cable of appropriate length from cross-connect grounding box three Inlet wire pipe pierces into case, connects respectively with the fixed fitting of corresponding internal and external conductor, by cross-connect side plate, by " downwards right-falling stroke " or Three coaxial cable internal and external conductor of " right-falling stroke downwards " mode, which is jumped, to be led to, by any inner core of three coaxial cable inlet wires and other one Outer core is electrically connected, and realizes core cross-connect effect inside and outside inlet wire coaxial cable, and the inside and outside core of coaxial cable connects respectively The protective metal shell of insulation both sides of head is connect, therefore, is realized by cross-connect case and is intersected in cable insulated joint three-phase protective metal shell Downlink connection.

Implement the utility model embodiment, has the following beneficial effects:

Cross-connect case grounding box provided by the utility model with safety screen, by being protected in cross-connect case The protective baffle plate that installation bulletproof glass is constituted above device effective can prevent cross-connect case from charging in maintenance process of unpacking, Protector failure occurs explosion and damages to service personnel, meanwhile, it also can pass through the appearance that bulletproof glass observes protector It is whether normal.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered It is considered as the protection scope of the application.

Claims (4)

1. a kind of cross-connect case grounding box with safety screen, including cabinet, case lid and is arranged in the box house Internal components, the internal components, which include at least, multiple protectors, it is characterised in that:

The cabinet extends around flange face, the interval setting mounting hole on the flange face；

Mounting hole is arranged in the case lid circumferentially-spaced, the mounting hole and the case lid surrounding on the flange face of the cabinet surrounding Mounting hole alignment, and be fixed by bolt；

It further comprise having safety protection guard structure in the cabinet, the safety protection guard structure is anti-including at least having Glass baffle plate is played, the bulletproof glass baffle covers the multiple protector.

2. a kind of cross-connect case grounding box with safety screen as described in claim 1, which is characterized in that the safety is anti- Guard structure includes that there are four fixed frids and multiple, is respectively arranged at the two sides of the multiple protector；In every side, It is fixed between two fixed frids by fixing pin, and forms vacant slot, two sides of the bulletproof glass baffle It is divided into the vacant slot.

3. a kind of cross-connect case grounding box with safety screen as claimed in claim 2, which is characterized in that in the cabinet There are three inlet wire pipes for setting in one side wall, are provided with earthing pole casing on another side wall of the cabinet.

4. a kind of cross-connect case grounding box with safety screen as claimed in claim 3, which is characterized in that the internal device Part includes at least: the fixed fitting of the outer core conductor of more cross-over blocks, two pieces of insulation boards, earthing pole connecting plate, coaxial cable, three pieces of friendships Fork interconnection side plate, the fixed fitting of coaxial cable inner core conductor, protector and three block protector connecting plates.