CN206922344U - Underground cable sealing structure - Google Patents

Abstract

The utility model provides a kind of underground cable sealing structure, including sponge, supporting network and macromolecule resin seal section.Sponge is strip and is connected to both ends of supporting network and identical with the tip lengths of supporting network.Supporting network of the both ends with sponge is closely rolled into outer end diameter and the long cylinder of internal diameter of the pipeline size identical helical form to be sealed along on the outside of bunch of cables during installation and is fully inserted into the end of pipeline to be sealed, the position that liquid foamable polymeric resin injects the supporting network of long cylinder by glue rifle foams to form seal section.Pass through this sealing structure, the accurate control for the distance of supporting network between the sponge of both ends can be achieved, so as to standardize the dosage of the length of seal section and macromolecule resin, ensure sealing effectiveness, prevent liquid foamable polymeric resin from flowing into pipeline to be sealed and causing to waste or fill not exclusively.And to form an independent space between the sponge of both ends because both ends sponge forms closure, the interference of bright water in pipeline to be sealed can be avoided.

Description

Underground cable sealing structure

Technical field

Underground cable technical field of sealing technology is the utility model is related to, in particular to a kind of underground cable sealing structure.

Background technology

In recent years, transformer station was permeable, the harm of switch cubicle condensation progressively shows：Substation equipment is flooded or is in for a long time tide Earth fault easily occurs because of watered and wetting under wet environment.Transformer station is permeable, condensation trouble exclude building structure factor with Outside, caused by the hole mainly left after cable penetration wall, gap.

The characteristics of these holes and problem are：Number of cables is more, and arrangement is intricate；Numerous gaps are formed between cable, Plugging effect is caused to be difficult to ensure.

It is to install inorganic fire-proof plate additional in the side of wall that existing main flow, which solves method, then in inorganic fire-proof plate and wall Between clogged using rock wool, yellow sand or with materials such as fast dry mortars.But this mode can not cause hole between cable Gap is not blocked completely, as infiltration still occurs in the increase of usage time, the situation of leak occurs.Also there is new technology It is using flowing sealing, injection Foamex carries out foaming sealing, but Foamex enters pipeline or the depth in hole but can not Accurate control, causes sealing effectiveness not ensure.

The content of the invention

Main purpose of the present utility model is to provide a kind of underground cable sealing structure, to solve pipe of the prior art The problem of road cable seal effect can not ensure.

To achieve these goals, the utility model provides a kind of underground cable sealing structure, including sponge, supporting network With macromolecule resin seal section, sponge is strip and is connected to the both ends of supporting network and, peace identical with the tip lengths of supporting network Outside of supporting network of the both ends with sponge along bunch of cables is closely rolled into outer end diameter during dress and the internal diameter of pipeline to be sealed is big The long cylinder of small identical helical form is simultaneously fully inserted into the end of pipeline to be sealed, and liquid foamable polymeric resin is noted by glue rifle Foam to form macromolecule resin seal section in the position for entering the supporting network of long cylinder.

Further, the width of supporting network to reserve between the two adjacent rings supporting network of long cylinder more than the thickness of supporting network There is the space for accommodating liquid foamable polymeric resin.

Further, supporting network is steel wire or the plastic wire with certain degree of hardness.

Further, bunch of cables is formed by one or more cable is arranged in parallel.

It is supporting network of the both ends with sponge is tight along the outside of bunch of cables during installation using the technical solution of the utility model The close long cylinder of internal diameter size identical helical form for being rolled into outer end diameter and pipeline to be sealed is simultaneously fully inserted into the end of pipeline to be sealed In portion, the both ends of long cylinder are brought into close contact for the sponge of sponge and two adjacent rings, and the sponge at both ends, which forms plugging structure, prevents liquid Macromolecule foaming resin flows out, and the position that liquid foamable polymeric resin injects the supporting network of long cylinder by glue rifle foams to be formed Seal section, the length of seal section is accurately controlled by controlling the distance of supporting network between the sponge of both ends, ensure sealing effect Fruit, and also avoid excessive liquid foamable polymeric resin from flowing into pipeline to be sealed and make when pipeline to be sealed is long It is incomplete into wasting or filling.And to form an independent sky between the sponge of both ends because both ends sponge forms closure Between, the interference of ponding in pipeline to be sealed can be avoided so that underground cable sealing structure of the present utility model there can be product Constructed in the case of water so that seal construction is not limited by ponding, ensures being smoothed out for construction, and it is new to increase this practicality The environmental suitability of the underground cable sealing structure of type.Meanwhile underground cable sealing structure of the present utility model also has structure Simply, the characteristics of easy to implement and practical.

Brief description of the drawings

The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model. In the accompanying drawings：

Fig. 1 shows the structural representation of underground cable sealing structure of the present utility model；

Fig. 2 shows Fig. 1 left view.

Wherein, above-mentioned accompanying drawing marks including the following drawings：

10th, long cylinder；11st, sponge；12nd, supporting network；13rd, macromolecule resin seal section；20th, pipeline to be sealed；30th, cable Beam.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology have to be led to the application person of an ordinary skill in the technical field The identical meanings understood.

In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, top, bottom " used is generally Be for direction shown in the drawings, or for part in itself on vertical, vertical or gravity direction for；Together Sample, for ease of understanding and describing, " inside and outside " refers to the inside and outside of the profile relative to each part in itself, but the above-mentioned noun of locality It is not limited to the utility model.

To solve the problems, such as that underground cable sealing effectiveness of the prior art can not ensure that the utility model provides one kind Underground cable sealing structure.

As depicted in figs. 1 and 2, underground cable sealing structure includes sponge 11, supporting network 12 and macromolecule resin seal section 13, sponge 11 is strip and is connected to both ends of supporting network 12 and identical with the tip lengths of supporting network 12, by both ends during installation Outside of the supporting network 12 with sponge 11 along bunch of cables 30 is closely rolled into the internal diameter size of outer end diameter and pipeline 20 to be sealed The long cylinder 10 of identical helical form is simultaneously fully inserted into the end of pipeline 20 to be sealed, and liquid foamable polymeric resin is noted by glue rifle Foam to form macromolecule resin seal section 13 in the position for entering the supporting network 12 of long cylinder 10.

During installation by supporting network outside along bunch of cables 30 of the both ends with sponge be closely rolled into outer end diameter with it is to be sealed The long cylinder of internal diameter size identical helical form of pipeline is simultaneously fully inserted into the end of pipeline to be sealed, and bunch of cables 30 is by one Or multi-cable composition arranged in parallel, the both ends of long cylinder 10 are brought into close contact for the sponge 11 of sponge 11 and two adjacent rings, both ends Sponge 11, which forms plugging structure, prevents liquid foamable polymeric resin from flowing out, and liquid foamable polymeric resin is injected by glue rifle The position of the supporting network 12 of long cylinder foams to form macromolecule resin seal section 13, by controlling supporting network between both ends sponge 11 12 distance ensures sealing effectiveness, and work as pipeline 20 to be sealed so as to accurately control the length of macromolecule resin seal section 13 Also excessive liquid foamable polymeric resin is avoided to flow into pipeline 20 to be sealed and cause to waste or fill endless when long Entirely.And to form an independent space between the sponge of both ends because both ends sponge forms closure, can avoid to be sealed The interference of ponding in pipeline 20 so that underground cable sealing structure of the present utility model can be carried out in the case where there is ponding Construction so that seal construction is not limited by ponding, ensures being smoothed out for construction, it is close to increase underground cable of the present utility model The environmental suitability of seal structure.

As shown in figure 1, the width of supporting network 12 causes the two adjacent rings supporting network of long cylinder 10 more than the thickness of supporting network 12 The space for accommodating liquid foamable polymeric resin is reserved between 12.Space between two adjacent rings supporting network 12 enables to The liquid foamable polymeric resin of injection can flow freely and the space between the sponge full of both ends, ensure final high score Subtree fat seal section 13 forms a cylindricality entirety and avoids centre from space occur.

It is preferred that supporting network 12 is steel wire or the plastic wire with certain degree of hardness, the long cylinder 10 for ensureing finally to be rolled into has Certain rigidity is easy to fill in pipeline 20 to be sealed, ensures that the length of long cylinder 10 is not compressed.

As can be seen from the above description, the utility model the above embodiments realize following technique effect：

1. ensureing the length of macromolecule resin seal section 13, and then ensure sealing effectiveness；

2. still be constructed in the case of having ponding in pipeline 20 to be sealed, ensure smoothly entering for construction OK.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise odd number shape Formula is also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or During " comprising ", it indicates existing characteristics, step, work, device, component and/or combinations thereof.

It should be noted that term " comprising " and " tool in the description and claims of this application and above-mentioned accompanying drawing Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (4)

1. a kind of underground cable sealing structure, it is characterised in that sealed including sponge (11), supporting network (12) and macromolecule resin Section (13), the sponge (11) be strip and be connected to the both ends of the supporting network (12) and with the end of the supporting network (12) Length is identical, closely rolls up in outside of the supporting network (12) of the both ends with the sponge (11) along bunch of cables (30) during installation Into outer end diameter and pipeline to be sealed (20) the internal diameter long cylinder of size identical helical form (10) and be fully inserted into described to be sealed In the end of pipeline (20), liquid foamable polymeric resin injects the supporting network (12) of the long cylinder (10) by glue rifle Foam to form the macromolecule resin seal section (13) in position.

2. underground cable sealing structure according to claim 1, it is characterised in that the width of the supporting network (12) is more than The thickness of the supporting network (12) to be reserved with receiving institute between supporting network (12) described in the two adjacent rings of the long cylinder (10) State the space of liquid foamable polymeric resin.

3. underground cable sealing structure according to claim 1, it is characterised in that the supporting network (12) be steel wire or Plastic wire.

4. underground cable sealing structure as claimed in any of claims 1 to 3, it is characterised in that the bunch of cables (30) formed by one or more cable is arranged in parallel.