CN206616594U - A kind of service shaft well - Google Patents

Abstract

The utility model discloses an inspection shaft, which comprises a shaft body, a manhole shaft is arranged at the connection between the upper part of the shaft body and the ground, the side wall of the shaft body is connected with a ventilation shaft, and the bottom of the shaft body is provided with a collection well. By applying the maintenance shaft disclosed in the utility model, by integrating the ventilation shaft, the manhole well and the water collection well, the multiple functions of the maintenance shaft can be satisfied through one construction during construction, and the occupied area is reduced, and the construction period is saved. Reduce noise pollution.

Description

a maintenance shaft

technical field

The utility model relates to the technical field of passage shafts, in particular to a maintenance shaft.

Background technique

A shaft is a well-shaped pipe with an upright wall, which is actually a collapsed funnel. It is square, long or irregularly circular in plan, and the long strip is developed along a group of joints, square or round. It develops along two groups of joints. Cable shafts are widely used in power plants, smelting, steel plants, chemical industries and other environments and places where there are many power consumption and large; one-time release of cables. The general surface treatment of the cable shaft is mostly hot-dip galvanized. Existing cable maintenance shafts are used for maintenance of cables after construction, but the current cable maintenance shafts have a single structure, manholes, water collection and ventilation need to be separately set up vertical shafts, repeated excavation is required during construction, the construction period is long, and the environment is noisy. serious pollution.

To sum up, how to effectively solve the problems of single structure of the cable maintenance shaft, the need to set up multiple shafts for maintenance of the cable, and the long construction period are problems urgently needed by those skilled in the art.

Utility model content

In view of this, the purpose of the utility model is to provide a maintenance shaft to solve the problems of single structure of the cable maintenance shaft, the need to set up multiple shafts for maintenance of cables, and long construction period.

In order to achieve the above object, the utility model provides the following technical solutions:

An inspection shaft includes a shaft body, a manhole shaft is provided at the connection between the upper part of the shaft body and the ground, a ventilation shaft is connected to the side wall of the shaft body, and a water collection well is provided at the bottom of the shaft body.

Preferably, in the above maintenance shaft, the shaft body includes multiple layers of working platforms, a straight ladder is provided between the working platforms on each layer, and each of the working platforms is provided with guardrails for protection.

Preferably, in the above maintenance shaft, the water collection well is provided with a water collection cover, the water collection cover is provided with a filter grate, and the bottom of the water collection well is provided with a sand collection wall corresponding to the filter grate .

Preferably, in the above maintenance shaft, the side wall of the ventilation shaft protruding from the ground is provided with a plurality of air outlets.

Preferably, in the above inspection shaft, a fan base for fixing a fan is provided at the bottom of the ventilation shaft, and the fan base is detachably connected to the ventilation shaft.

Preferably, in the above maintenance shaft, a water discharge port is provided at the top of the water collection shaft.

Preferably, in the above maintenance shaft, the ventilation shaft includes an air duct horizontal shaft and an air duct shaft connected with the air duct horizontal shaft, and the air duct horizontal shaft communicates with the side wall of the manhole shaft.

Preferably, in the above maintenance shaft, the shaft body, the manhole shaft, the ventilation shaft and the water collection shaft are all prefabricated concrete shafts.

Preferably, in the above maintenance shaft, the side wall of the water collection shaft is provided with a waterproof conduit.

The maintenance shaft provided by the utility model includes a shaft body, a manhole shaft is provided at the connection between the upper part of the shaft body and the ground, the side wall of the shaft body is connected with a ventilation shaft, and the bottom of the shaft body is provided with a water collection well. The maintenance shaft integrates the ventilation shaft, the manhole well and the water collection well, so that the multiple functions of the maintenance shaft can be satisfied through one construction during construction, and the occupied area is reduced, and the construction period is saved, and the noise pollution is reduced.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the maintenance shaft provided by the embodiment of the present invention;

Fig. 2 is a partial enlarged structural schematic diagram of the maintenance shaft provided by the embodiment of the utility model;

Fig. 3 is the schematic diagram of the enlarged structure of the water collection well provided by the embodiment of the utility model;

Fig. 4 is a top view structural schematic diagram of the water collection well provided by the embodiment of the utility model.

The marks in the attached drawings are as follows:

Ventilation shaft 1, manhole shaft 2, shaft body 3, water collection well 4, fan base 5, straight ladder 6, cover plate 7, working platform 8, guardrail 9, sand collection wall 10, waterproof conduit 11, water collection cover plate 12. Filter grate 13.

detailed description

The embodiment of the utility model discloses a maintenance shaft to solve the problems of single structure of the cable maintenance shaft, the need to set up multiple shafts for maintenance of cables, long construction period and the like.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-Fig. 4, Fig. 1 is the schematic diagram of the structure of the maintenance shaft provided by the embodiment of the utility model; Fig. 2 is the partial enlarged structural diagram of the maintenance shaft provided by the embodiment of the utility model; Fig. 3 is the schematic diagram of the utility model embodiment The enlarged structural schematic diagram of the water collection well provided; FIG. 4 is a top view structural diagram of the water collection well provided by the embodiment of the utility model.

In a specific embodiment, the maintenance shaft provided by the utility model includes a shaft body 3, a manhole shaft 2 is provided at the connection between the upper part of the shaft body 3 and the ground, the side wall of the shaft body 3 is connected with a ventilation shaft 1, and the shaft body The bottom of 3 is provided with water collecting well 4. Generally, a straight ladder 6 is provided in the manhole shaft 2 to facilitate the movement of personnel. Fans and other ventilation equipment can be set in the ventilation shaft 1. It can be understood that a part of the ventilation shaft 1 protrudes from the ground so as to facilitate air circulation. The maintenance shaft provided by the utility model can be used as an inspection passage for underground buildings and structures. At the same time, taking into account the ventilation system and drainage system, saving courier neps, and integrating multiple functions, avoiding repeated excavation work to meet different functions, saving the construction period, and avoiding long-term noise pollution during construction.

A cover plate 7 can generally be provided at the contact between the manhole shaft 2 and the ground, and the cover plate 7 can be set as an anti-theft cover plate 7, which can be anti-theft in the form of a combination lock. The specific form of the cover plate 7 is not limited, as long as the corresponding technical It only needs to be satisfied, and the specific implementation form is not limited.

Specifically, the shaft body 3 includes multi-layer working platforms 8 , and vertical ladders 6 are provided between the working platforms 8 on each floor, and each working platform 8 is provided with guardrails 9 for protection. The working platform 8 can be set according to the depth of the overhaul pipeline and the position to be overhauled. Straight ladders 6 are set between the 8 working platforms on each floor. Preferably, the straight ladders 6 are staggered to facilitate climbing. Guardrails 9 are set on each working platform 8, and in other embodiments, other forms of safety devices can also be set according to needs, all within the scope of protection of the present utility model.

Further, the water collection well 4 is provided with a water collection cover plate 12, and the water collection cover plate 12 is provided with a filter grate 13, and the bottom of the water collection well 4 is provided with a sand collection wall 10 corresponding to the filter grate 13. The filter grate 13 is used to filter the rainwater entering the water collection well 4, so as to prevent foreign matter from blocking the water inlet and outlet of the water collection well 4, a plurality of filter grate 13 can be arranged on it according to the size of the water collection cover plate 12, To reach filtering purposes, a sand collection wall 10 is set at the bottom of the water collection well 4 and the edge corresponding to the filter grate 13 to form a sand collection well to carry out secondary filtration of the silt in the rainwater. Specifically, the sand collection wall 10 can be 100mm Thick C30 reinforced concrete wall, 8@200 double-layer two-way vertical and horizontal reinforcement meshes are arranged in it, the sand collection wall 10 is 200mm high, built along the bottom of the water collection well 4, and the water collection well 4 is divided into two to form a sand collection well.

Furthermore, the side wall of the ventilation shaft 1 protruding from the ground is provided with multiple air exhaust outlets to exhaust or supply air to the ventilation shaft 1. In order to prevent small animals from entering, a metal mesh can be set at the air supply outlet or the air outlet. Grid, ventilation shaft 1 leakage ground part can be tiled, marble or granite veneer processing, also can be provided with metal grid to prevent small animals from entering at the louver reserved opening of ventilation shaft 1.

Specifically, the bottom of the ventilation shaft 1 is provided with a fan base 5 for fixing the fan, and the fan base 5 is detachably connected with the ventilation shaft 1 . The fan base 5 is generally connected with the ventilation shaft 1 via bolts, which is convenient for installation and disassembly. Of course, in other embodiments, other connection methods can also be selected, as long as the same technical effect can be achieved. Not limited.

Further, the top of the water collection well 4 is provided with a water outlet. In order to prevent the excessive rainfall from being discharged in time in the shaft body 3, a water outlet is set at the top of the water collection well 4. According to the size of the water collection well 4, a plurality of water outlets can be set.

Furthermore, the ventilation shaft 1 includes an air duct horizontal shaft and an air duct vertical shaft connected with the air duct horizontal shaft, and the air duct horizontal shaft communicates with the side wall of the manhole shaft 2 .

The manhole shaft 2 is arranged at the connection between the upper part of the shaft body 3 and the ground, and the side wall of the manhole shaft 2 is provided with an air duct horizontal shaft, which communicates with the air duct shaft. Preferably, the fan base 5 is arranged on the air duct horizontal shaft. Of course, in other embodiments, the manhole shaft 2 can also be arranged at other positions of the shaft body 3, and can be arranged according to needs, all within the scope of protection of the present utility model.

On the basis of the above-mentioned embodiments, the shaft body 3, the manhole shaft 2, the ventilation shaft 1 and the water collection shaft 4 are all prefabricated concrete shafts. The above-mentioned well bodies can all be pre-obtained by prefabricated concrete, and can be hoisted into the passageway as a whole during construction. Prefabricated components can be combined into a whole through connectors. The device has a high degree of prefabrication and can be hoisted as a whole, saving the construction period.

Specifically, the side wall of the water collection well 4 is provided with a waterproof conduit 11 . The water volume in the water collection well 4 is led out through the waterproof conduit 11 to prevent the water level from being too high and hindering the normal operation of the shaft body 3 . In other embodiments, the amount of water can be exported in other ways, which is only a more preferred implementation here, and can be set according to actual operation needs.

In a specific embodiment, the shaft body 3 is a 5m*5m square box culvert, the structural height can be set according to actual engineering needs, the manhole well is 1.2m*1.2m*2.6m cube, and the water collection well 4 is 5m* 5m*2.15m cube, ventilation shaft 1 is composed of air duct shaft and air duct horizontal shaft. The air duct shaft is 1m*1m*3.5m cube, and the air duct horizontal shaft is 1m*1.6m cube. Adjustment is required. The device can be used as a maintenance channel, taking into account the ventilation system and drainage system, integrating multiple functions, avoiding repeated excavation and repeated operations, and has a high degree of prefabrication, which can be hoisted as a whole, saving construction time and reducing noise pollution. The bottom of the shaft body 3 can be To meet the needs of multi-channel inspection.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. a kind of service shaft well, it is characterised in that including vertical shaft body, top and the ground junction of the vertical shaft body are provided with Manhole vertical shaft, the side wall of the vertical shaft body is communicated with ventilation shaft, and the bottom of the vertical shaft body is provided with sump.

2. service shaft well according to claim 1, it is characterised in that include multilayer working platform in the vertical shaft body, Vertical ladder is provided between each layer workbench, each described workbench is equipped with the guardrail for protection.

3. service shaft well according to claim 2, it is characterised in that the sump is described to catchment provided with the cover plate that catchments Cover plate is combed provided with filtering, and the bottom of the sump is with the filtering comb corresponding position provided with the husky wall of collection.

4. service shaft well according to claim 3, it is characterised in that the side wall that the ventilation shaft protrudes the ground is provided with Multiple exhaust outlets.

5. service shaft well according to claim 4, it is characterised in that the bottom of the ventilation shaft, which is provided with, to be used to fix blower fan Blower fan pedestal, the blower fan pedestal is removably fixedly connected with the ventilation shaft.

6. service shaft well according to claim 5, it is characterised in that the top of the sump is provided with discharge opening.

7. service shaft well according to claim 6, it is characterised in that the ventilation shaft include the horizontal well in air channel and with the wind The air channel vertical shaft of the horizontal well connection in road, the horizontal well in air channel is connected with the side wall of the manhole vertical shaft.

8. the service shaft well according to claim any one of 1-7, it is characterised in that the vertical shaft body, the manhole are erected Well, the ventilation shaft and the sump are precast concrete formula well body.

9. service shaft well according to claim 8, it is characterised in that the side wall of the sump is provided with anti-water conduit.