CN208874258U - A kind of cross-connect case grounding box with observation window - Google Patents

Abstract

The utility model embodiment discloses a kind of cross-connect grounding box with observation window, including cabinet, case lid and the internal components that the box house is arranged in, wherein 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, observation window is provided among the case lid, the observation window includes: the observation window pedestal being fixed on the case lid, the O-ring seal being placed on the observation window pedestal, the bulletproof glass being placed in the O-ring seal pushes down the bulletproof glass and the bulletproof glass pressing ring fixed with the observation window pedestal；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.Implement the utility model embodiment, situation in case can be observed without uncapping, improve overhaul efficiency.

Description

A kind of cross-connect case grounding box with observation window

Technical field

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

Cross-connect grounding box case lid is usually block of metal panel, and this cover form only solves cabinet intensity and waterproof Problem, but observation acquirement can not be carried out in outside in the case of in cabinet, for cross-connect grounding box, daily operation inspection Internal working condition need to be observed by repairing work, and whether the state such as protector is normal, and whether ground board is installed correctly, Whether the junction of connecting plate is normal, and whether there is or not heat conditions etc., but these actions that need to be overhauled are both needed in the feelings for opening cover It could be overhauled under condition, a large amount of manpower need to be expended, overhaul efficiency is low.

Utility model content

Technical problem to be solved by the utility model is to provide a kind of band observation window cross-connect case grounding box, nothings Need to uncap can observe situation in case, improve overhaul efficiency.

In order to solve the above-mentioned technical problem, the embodiments of the present invention provide a kind of cross-connect ground connection with observation window Case, including cabinet, case lid and the internal components that the box house is arranged in, in which:

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, observation window is provided among the case lid, the observation window includes: The observation window pedestal being fixed on the case lid, the O-ring seal being placed on the observation window pedestal are placed on described O-shaped close Bulletproof glass in seal pushes down the bulletproof glass and the bulletproof glass pressing ring fixed with the observation window pedestal；

Mounting hole on the flange face of the cabinet surrounding is aligned with the mounting hole of the case lid surrounding, and by bolt into Row is fixed.

Preferably, the observation window pedestal is that four side walls surround window structure；Four side wall tops extend outwardly Lower flange is formed, side wall top is provided with O shape groove；The O-ring seal is installed in the O shape groove；It is described shellproof Glass pressing ring pushes down the surrounding of the bulletproof glass, and forms upper flange, the upper flange in the bulletproof glass pressing ring surrounding It matches with the lower flange, and is fixed by bolt.

It preferably, further comprise having the second O-ring seal between the bulletproof glass pressing ring and the bulletproof glass.

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: multiple cross-over blocks, two pieces of insulation boards, earthing pole connecting plate, coaxial 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 Protector connecting plate.

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

Band observation window cross-connect case grounding box provided by the utility model, in operation and maintenance, without opening Case lid, through observation window, can very convenient and fast case inner part operating status and connection state；Meanwhile it can and can answer Infrared detection is carried out to the intracorporal equipment of case and junction with infrared ray camera, it easily can be with by infrared imaging Whether fever and the junction contact for solving equipment are good, greatly simplify operation and maintenance；

The utility model greatly improves service work shape rate, so as to save the cost of overhaul, reduces service personnel, Bring considerable economic benefit.

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 structural schematic diagram of cross-connect case grounding box with observation window provided by the utility model；

Fig. 2 is the fractionation structural representation in Fig. 1；

Fig. 3 is structural schematic diagram 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 structural representation of the cross-connect case grounding box provided by the invention with observation window Figure；It is combined shown in Fig. 2 and Fig. 3 together, the grounding box includes cabinet 1, case lid 2, and in being arranged in inside the cabinet 1 Portion's device, 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).

Observation window 4 is provided among the case lid 2, the observation window includes: the observation window being fixed on the case lid 2 Pedestal 40, the O-ring seal 41 being placed on the observation window pedestal 40, the bulletproof glass being placed in the O-ring seal 41 42, push down the bulletproof glass 42 and the bulletproof glass pressing ring 43 fixed with the observation window pedestal 40；

Wherein, the observation window pedestal 40 is that four side walls surround window structure；Four side wall tops extend outwardly Lower flange 400 is formed, side wall top is provided with O shape groove 401；The O-ring seal 41 is installed in the O shape groove In 401；The bulletproof glass pressing ring 43 pushes down the surrounding of the bulletproof glass 42, and in the 43 surrounding shape of bulletproof glass pressing ring At upper flange 430, the upper flange 430 is matched with the lower flange 400, and is fixed by bolt.Implement at one It further comprise having the second O-ring seal 44 between the bulletproof glass pressing ring 43 and the bulletproof glass 42 in example.

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.

The internal components include at least: multiple cross-over blocks 141, insulation board 142, earthing pole connecting plate 143, coaxial electrical The fixed fitting 145 of the outer core conductor of cable, cross-connect side plate 146, the fixed fitting 147 of coaxial cable inner core conductor, protector 148 with 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:

Band observation window cross-connect case grounding box provided by the utility model, in operation and maintenance, without opening Case lid, through observation window, can very convenient and fast case inner part operating status and connection state；Meanwhile it can and can answer Infrared detection is carried out to the intracorporal equipment of case and junction with infrared ray camera, it easily can be with by infrared imaging Whether fever and the junction contact for solving equipment are good, greatly simplify operation and maintenance；

The utility model greatly improves service work shape rate, so as to save the cost of overhaul, reduces service personnel, Bring considerable economic benefit.

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 (5)

1. a kind of cross-connect grounding box with observation window, including cabinet, case lid and the inside that the box house is arranged in Device, 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, observation window is provided among the case lid, the observation window includes: fixation Observation window pedestal on the case lid, the O-ring seal being placed on the observation window pedestal, is placed on the O-ring seal On bulletproof glass, push down the bulletproof glass and the bulletproof glass pressing ring fixed with the observation window pedestal；

Mounting hole on the flange face of the cabinet surrounding is aligned with the mounting hole of the case lid surrounding, and is consolidated by bolt It is fixed.

2. grounding box as described in claim 1, which is characterized in that the observation window pedestal is that four side walls surround window knot Structure；Four side wall tops extend outward to form lower flange, and side wall top is provided with O shape groove；The O-ring seal is held It is located in the O shape groove；The bulletproof glass pressing ring pushes down the surrounding of the bulletproof glass, and in the bulletproof glass pressing ring Surrounding forms upper flange, and the upper flange is matched with the lower flange, and is fixed by bolt.

3. grounding box as claimed in claim 2, which is characterized in that between the bulletproof glass pressing ring and the bulletproof glass into One step includes the second O-ring seal.

4. grounding box as claimed in claim 3, which is characterized in that the inlet wire pipe there are three settings in the cabinet one side wall, Earthing pole casing is provided on another side wall of the cabinet.

5. grounding box as claimed in claim 4, which is characterized in that the internal components include at least: more cross-over blocks, two pieces The fixed fitting of the outer core conductor of insulation board, earthing pole connecting plate, coaxial cable, three pieces of cross-connect side plates, coaxial cable inner cores are led Body fixes fitting, protector and three block protector connecting plates.