CN209669933U - A kind of pre-formed monoblock type electric power manhole shaft accessory - Google Patents

Abstract

The utility model discloses a kind of pre-formed monoblock type electric power manhole shaft accessories, including main pipeline, bottom plate and preserved pipeline, the internal diameter of the main pipeline is consistent with power check well shaft internal diameter, the bottom plate is the circular ring shape plate structure for being fixed on main pipeline bottom, the side of main pipeline is provided with several preserved pipeline connecting holes, it is ramp-like in dipping down that one end is connected to inside the preserved pipeline connecting hole and main pipeline, the preserved pipeline includes horizontal ends and beveled end, the beveled end intercalation is fixed in preserved pipeline connecting hole and is connected to main pipeline, the utility model efficiently solves external cabling bring caused by traditional pit shaft way and destroys shaft structure, the problem of damaging protective coverings of cable.

Description

A kind of pre-formed monoblock type electric power manhole shaft accessory

Technical field

The utility model relates to electric power overhaul well technical fields, and in particular to a kind of pre-formed monoblock type electric power inspection shaft Pit shaft accessory.

Background technique

It is laid currently, urban electric power route is more and more using underground cable rake manifold, power check well shaft master therein It to be built using brick or concreting.With the development of the city, the especially development of small and medium-sized cities, in buried cable The user of comb two sides is frequently necessary to the cabling in the power check well and electricity channel of constructed completion.Due to part Branch's electricity well is not done in position, thus needs to punch cabling on the power check well shaft of constructed completion. But there are the following problems in this way: on the one hand in order to facilitate cabling, the position of punching is often closer apart from well lid, can neither The buried depth requirement for meeting cable laying, also compromises the structural strength of pit shaft, reduces the bearing capacity of pit shaft.On the other hand it punches Position waterproof, which is done well, also increases the risk of rain leakage.

Utility model content

(1) technical problems to be solved

In order to overcome the shortage of prior art, it is proposed that a kind of pre-formed monoblock type electric power manhole shaft accessory, effectively Solve the problems, such as that external cabling bring caused by traditional pit shaft way destroys shaft structure, damage protective coverings of cable.

(2) technical solution

The utility model is achieved through the following technical solutions: the utility model proposes a kind of pre-formed monoblock type electric power In manhole shaft accessory, including main pipeline, bottom plate and preserved pipeline, the internal diameter of the main pipeline and power check well shaft Diameter is consistent, and the bottom plate is the circular ring shape plate structure for being fixed on main pipeline bottom, if being provided with intervention in the side of main pipeline Pipeline connecting hole is stayed, one end is connected to inside the preserved pipeline connecting hole and main pipeline in ramp-like, the preserved pipeline that dips down Including horizontal ends and beveled end, the beveled end intercalation is fixed in preserved pipeline connecting hole and is connected to main pipeline.

Further, the main pipeline, bottom plate and preserved pipeline are integrally formed or are adopted using polypropylene high molecular material It is formed with ductile cast iron material one-time-concreting.

Further, cable is inserted through beveled end from the horizontal ends of preserved pipeline and enters in main pipeline and in horizontal ends It is internally provided with cable plugging material.

(3) beneficial effect

The utility model compared with the existing technology, has the advantages that

A kind of pre-formed monoblock type electric power manhole shaft accessory that the utility model is mentioned, wherein base plate size cooperates Pit shaft top structure facilitates installation, solve connect outside pit shaft traditional method bring caused by drawing cable destruction shaft structure, The problem of wearing protective coverings of cable；Length, caliber, the number of preserved pipeline can be selected according to engineering practice, full simultaneously The demand of sufficient different user effectively solves the problems, such as that multi-user does not connect simultaneously and draws cable and repeat to destroy shaft structure.

Detailed description of the invention

Fig. 1 is the utility model side half-section diagram.

Fig. 2 is the utility model top view.

1- main pipeline；2- bottom plate；3- preserved pipeline；11- preserved pipeline connecting hole；31- horizontal ends；32- beveled end.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

A kind of pre-formed monoblock type electric power manhole shaft accessory as depicted in figs. 1 and 2, including main pipeline 1, bottom plate 2 and preserved pipeline 3, the internal diameter of the main pipeline 1 is consistent with power check well shaft internal diameter, and the bottom plate 2 is to be fixed on master The circular ring shape plate structure of 1 bottom of pipeline is provided with several preserved pipeline connecting holes 11 in the side of main pipeline 1, described reserved It is ramp-like in dipping down that one end is connected to inside pipeline connecting hole 11 and main pipeline 1, the preserved pipeline 3 includes horizontal ends 31 and inclines Splay end 32,32 intercalation of beveled end are fixed in preserved pipeline connecting hole 11 and are connected to main pipeline 1.

Wherein, the main pipeline 1, bottom plate 2 and preserved pipeline 3 are integrally formed or are used using polypropylene high molecular material The molding of ductile cast iron material one-time-concreting, cable are inserted through beveled end 32 from the horizontal ends 31 of preserved pipeline 3 and enter supervisor Cable plugging material is internally provided in road 1 and in horizontal ends 31.

A kind of pre-formed monoblock type electric power manhole shaft accessory that the utility model is mentioned when specifically used, only needs The present apparatus is mounted on inspection shaft top, bottom plate 2 is pressed on inspection shaft top, while making main pipeline 1 and inspection shaft Pit shaft is concentric, and then being mated formation using pavement bricks can be completed installation, looks for preserved pipeline 3 in order to facilitate the later period, can be right It answers and is laid at preserved pipeline 3 using the pavement bricks of different colors, can also be identified using color spraying etc., if reserved Pipeline 3 does not use, and carries out closure, and rainwater is prevented to be flowed into power check well, after cable is inserted into from preserved pipeline 3, by Preserved pipeline 3 is provided with horizontal ends 31 and beveled end 32, thus can make cable after being inserted into preserved pipeline 3, energy Enough smooth to enter in main pipeline 1, beveled end 32 and the preserved pipeline connecting hole 11 being set on main pipeline 1 can be preferable Become to mitigate by cable right angle is excessively curved, cable fault probability and degree of injury can be reduced, after accessing cable, in electricity Cable is blocked with 31 junction of horizontal ends using cable plugging material, and inspection shaft leakproofness can be improved, prevent rain penetration, Preserved pipeline 3 can select different length, caliber, number according to requirement of engineering, and the poling that can satisfy different size cable applies If drawing cable it is required that effectively reducing multi-user and not connecing simultaneously and repeating the problem of destroying shaft structure.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, it is all described in the claims.

Claims (3)

1. a kind of pre-formed monoblock type electric power manhole shaft accessory, it is characterised in that: including main pipeline (1), bottom plate (2) with And preserved pipeline (3), the internal diameter of the main pipeline (1) is consistent with power check well shaft internal diameter, and the bottom plate (2) is to be fixed on The circular ring shape plate structure of main pipeline (1) bottom is provided with several preserved pipeline connecting holes (11) in the side of main pipeline (1), The preserved pipeline connecting hole (11) and the internal one end that is connected to of main pipeline (1) are ramp-like in dipping down, and the preserved pipeline (3) includes Horizontal ends (31) and beveled end (32), beveled end (32) intercalation be fixed in preserved pipeline connecting hole (11) and with supervisor Road (1) connection.

2. a kind of pre-formed monoblock type electric power manhole shaft accessory according to claim 1, it is characterised in that: described Main pipeline (1), bottom plate (2) and preserved pipeline (3) are integrally formed or are used spheroidal graphite cast-iron material using polypropylene high molecular material Expect one-time-concreting molding.

3. a kind of pre-formed monoblock type electric power manhole shaft accessory according to claim 1, it is characterised in that: cable Beveled end (32) is inserted through from the horizontal ends (31) of preserved pipeline (3) to enter in main pipeline (1) and in horizontal ends (31) Portion is provided with cable plugging material.