CN218597223U - Large-scale double-barrelled conduit combination valve well - Google Patents

Abstract

The utility model discloses a large-scale double-barrelled conduit combination valve well, this valve well includes the square well body, the first pipeline, the second pipeline, the third pipeline, the first left valve component, the first right valve component, the second left valve component, the second right valve component, the third valve component and the third ladder assembly, the square well body is equipped with the well inner space; the first conduit is located in a front end region of the borehole space; the second conduit is located in a rear end region of the well space; one end of the third pipeline is connected with the middle part of the first pipeline, and the other end of the third pipeline is connected with the middle part of the second pipeline; the valve assembly is arranged in the pipeline and used for controlling the on-off of the pipeline; the third ladder subassembly includes third left ladder and third right ladder, and the third ladder is taken up and is established in third pipeline both sides. The utility model discloses a large-scale double-barrelled conduit combination valve well makes things convenient for the staff to cross work such as conduit through the ladder and dispatch, switch over, inspection, maintenance.

Description

Large-scale double-barrelled conduit combination valve well

Technical Field

The utility model relates to a water supply pipe system, in particular to large-scale double-barrelled conduit combination valve well.

Background

The water pipe system has to be provided with communicating pipes and valve wells at intervals for scheduling, switching, maintaining and maintaining the water pipe system. The large-scale water pipe laying occupies a large underground space, a route is very limited during the building, the valve well is large in size, the laying position is difficult to find in the limited road space, if the valve well is separately arranged on each pipe of the double-pipe water pipe, the double-pipe water pipe is large in quantity and needs to occupy more space, and therefore the combined valve well is adopted for arrangement, the problem of difficulty in laying is solved due to the fact that the combined valve well occupies less space, and the maintenance and management workload is reduced. However, in the existing combined valve well, because the size of the water pipe in the combined valve well is very large, when the combined valve well is overhauled, a worker is difficult to cross the water pipe to perform scheduling, switching, checking, maintaining and other works on the other side of the water pipe.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a large-scale double-barrelled water pipe combination valve well conveniently lies in the staff of water pipe one side, crosses water pipe through the ladder, dispatches, switches, inspection, maintenance work to water pipe's opposite side.

According to the utility model discloses large-scale double-barrelled conduit combination valve well, include: the square well body is internally provided with an inner space; the first pipeline is positioned in the front end area of the well space, one end of the first pipeline penetrates through the left side wall of the square well body, and the other end of the first pipeline penetrates through the right side wall of the square well body; the second pipeline is positioned in the rear end area of the well inner space, one end of the second pipeline penetrates through the left side wall of the square well body, and the other end of the second pipeline penetrates through the right side wall of the square well body; the third pipeline is positioned in the borehole space, one end of the third pipeline is connected with the middle part of the first pipeline and is communicated with the first pipeline, the other end of the third pipeline is connected with the middle part of the second pipeline, and the third pipeline is communicated with the second pipeline; the first left valve assembly is arranged in the first pipeline, is positioned on the left side of the third pipeline and is used for controlling the connection and disconnection of the first pipeline; the first right valve assembly is installed in the first pipeline, is positioned on the right side of the third pipeline and is used for controlling the connection and disconnection of the first pipeline; the second left valve assembly is arranged in the second pipeline and is positioned on the left side of the third pipeline, and the second left valve assembly is used for controlling the on-off of the second pipeline; the second right valve assembly is arranged in the second pipeline, is positioned on the right side of the third pipeline and is used for controlling the on-off of the second pipeline; the third valve assembly is arranged in the third pipeline, is positioned between the first pipeline and the second pipeline and is used for controlling the on-off of the third pipeline; the third ladder assembly comprises a third left ladder and a third right ladder, wherein the third left ladder is erected on the left side of the third pipeline, the third right ladder is erected on the right side of the third pipeline, and the top end of the third left ladder is connected with the top end of the third right ladder.

According to the utility model discloses large-scale double-barrelled conduit combination valve well has following beneficial effect at least: the on-off of each pipeline is controlled by arranging a plurality of valve components, so that the dispatching and switching of the water delivery system are facilitated; set up third ladder assembly, the staff that conveniently is located water pipe one side crosses water pipe through the ladder, and work such as dispatch, switching, inspection, maintenance are carried out to water pipe's opposite side.

According to some embodiments of the utility model, first left valve component includes first left butterfly valve and first left double flange power transmission joint, first left butterfly valve with first left double flange power transmission joint all installs in the first pipeline, one side of first left butterfly valve with one side of first left double flange power transmission joint is connected, first left butterfly valve is located the left side of third pipeline, first left butterfly valve is used for controlling the break-make of first pipeline.

According to some embodiments of the utility model, first left valve component includes first left butterfly valve, first left butterfly valve includes first left valve main part and first left valve operating handle, first left valve main part with first left valve operating handle connects, first left valve main part is installed in the first pipeline, first left valve main part is located the left side of third pipeline, first left valve operating handle is located the rear side of first pipeline, first left valve operating handle is used for controlling the break-make of first pipeline.

According to the utility model discloses a some embodiments, the left valve member of second includes left butterfly valve of second, left butterfly valve of second includes left valve main part of second and left valve operating handle of second, left valve main part of second with left valve operating handle of second connects, left valve main part of second is installed in the second pipeline, left valve main part of second is located the left side of third pipeline, left valve operating handle of second is located the front side of second pipeline, left valve operating handle of second is used for control the break-make of second pipeline.

According to some embodiments of the utility model, first right valve assembly includes first right butterfly valve, first right butterfly valve includes first right valve main part and first right valve operating handle, first right valve main part with first right valve operating handle connects, first right valve main part is installed in the first pipeline, first right valve main part is located the right side of third pipeline, first right valve operating handle is located the rear side of first pipeline, first right valve operating handle is used for controlling the break-make of first pipeline.

According to some embodiments of the utility model, the third valve subassembly includes the third butterfly valve, the third butterfly valve includes third valve main part and third valve operating handle, the third valve main part with third valve operating handle connects, the third valve main part is installed in the third pipeline, the third valve main part is located the first pipeline with between the second pipeline, third valve operating handle is located the left side or the right side of third pipeline, third valve operating handle is used for controlling the break-make of third pipeline.

According to the utility model discloses a some embodiments still include well top lid and handhole door, the well top lid sets up the upper end of the square well body, the well top lid is used for sealing the upper end opening of the square well body, the left side middle part and/or the right side middle part of well top lid are provided with the manhole, the handhole door sets up on the manhole, the handhole door is used for sealing the manhole.

According to some embodiments of the utility model, still including the structure of marking time, the structure of marking time sets up on the lateral wall of the square well body, the structure of marking time is located the below of manhole.

According to some embodiments of the present invention, the step structure is a plastic-steel step.

According to the utility model discloses a some embodiments still include the closing cap, well top cover's front side middle part and rear side middle part are provided with the air vent, the closing cap sets up on the air vent, the handhole door is used for sealing the manhole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a planar structure of a large-scale double-pipe water pipe combined valve well according to an embodiment of the present invention;

fig. 2 isbase:Sub>A schematic sectional view of the sectional viewbase:Sub>A-base:Sub>A of the large double-pipe water pipe combined valve well shown in fig. 1;

fig. 3 is a schematic sectional view of the large double-pipe water pipe combined valve well shown in fig. 1, taken along the line B-B.

Reference numerals:

a square well body 100, a well space 110;

a first pipe 210, a second pipe 220, a third pipe 230;

a first left valve component 300, a first left butterfly valve 310, a first left valve body 311, a first left valve operating handle 312, a first left double-flange force transfer joint 320;

a first right valve assembly 400, a first right butterfly valve 410, a first right valve body 411, a first right valve operating handle 412, a first right double-flange force-transfer joint 420;

a second left valve component 500, a second left butterfly valve 510, a second left valve body 511, a second left valve operating handle 512, a second left double flange force transfer joint 520;

a second right valve assembly 600, a second right butterfly valve 610, a second right valve body 611, a second right valve operating handle 612, a second right double-flange force transfer joint 620;

a third valve assembly 700, a third butterfly valve 710, a third valve body 711, a third valve operating handle 712, a third double flange force transfer fitting 720;

a third ladder assembly 800, a third left ladder 810, a third right ladder 820;

a well top cover 900, a manhole 910 and a vent 920;

an orifice cover 1000;

a cover 1100;

a plastic-steel step 1200.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directions or positional relationships referred to in the description of the directions, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "tip", "inner", "outer", "axial", "radial", "circumferential", etc., are the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. In the description of the present invention, the side wall means the left side wall and/or the right side wall.

In the description of the present invention, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the number, "more than", "below", "within" and the like are understood as including the number. If the description of "first" and "second" is used for the purpose of distinguishing technical features, the description is not intended to indicate or imply relative importance or to implicitly indicate the number of the indicated technical features or to implicitly indicate the precedence of the indicated technical features.

In the description of the present invention, it is to be understood that "a is provided on B" and "a is provided on B" express a connection relationship or a positional relationship between a and B, and do not mean that a is necessarily above B.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, a movable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "bolted" and "screwed" are equally interchangeable. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

It should be understood that the same features are distinguished only by different prefixes, and therefore, in the present invention, the feature names without prefixes (or the feature names with partial prefixes) are used to indicate the combination of similar features, such as the first left valve component 300 and the first right valve component 400, as "first valve component".

Referring to fig. 1, 2 and 3, the large double-pipe water pipe combined valve well (valve well for short) according to the embodiment of the present invention includes a square well body 100, a first pipe 210, a second pipe 220, a third pipe 230, a first left valve assembly 300, a first right valve assembly 400, a second left valve assembly 500, a second right valve assembly 600, a third valve assembly 700 and a third ladder assembly 800.

The square well body 100 is provided with a well space 110 therein. The square well 100 is generally subjected to anti-seepage and sealing treatment to prevent water seepage.

The first pipe 210 is located in a front end region of the well space 110 (or the first pipe 210 is located near a front side wall of the square well body 100), one end of the first pipe 210 penetrates through a left side wall of the square well body 100, and the other end of the first pipe 210 penetrates through a right side wall of the square well body 100.

The second pipe 220 is located at a rear end region of the borehole space 110 (or the second pipe 220 is disposed near a rear sidewall of the square borehole body 100), one end of the second pipe 220 penetrates through a left sidewall of the square borehole body 100, and the other end of the second pipe 220 penetrates through a right sidewall of the square borehole body 100.

The third pipe 230 is located in the well space 110, one end of the third pipe 230 is connected to the middle of the first pipe 210, the third pipe 230 is communicated with the first pipe 210, the other end of the third pipe 230 is connected to the middle of the second pipe 220, and the third pipe 230 is communicated with the second pipe 220.

After the pipeline is arranged through the square well body 100, the pipeline is connected to a water delivery system in the whole area. It should be understood that the pipeline of the utility model is a large pipeline, and DN of the pipeline is more than or equal to 2000mm. It is to be understood that the pipe may include pure pipe, tee, cross, straight, reducer, elbow, etc. components common to pipe work. It is to be understood that the bottom of the square well 100 may be provided with a support table located below the pipes, the support table being used to support the first pipe 210, the second pipe 220 and the third pipe 230. A supporting table is arranged, so that the pipeline is far away from the ground, the pipeline is protected, meanwhile, the pipeline is convenient to install, and the pipeline is prevented from deforming. The first pipe 210, the second pipe 220, and the third pipe 230 are water pipes.

A first left valve assembly 300 is installed in the first pipe 210, the first left valve assembly 300 is located at the left side of the third pipe 230, and the first left valve assembly 300 is used for controlling the on/off of the first pipe 210.

The first right valve assembly 400 is installed in the first duct 210, the first right valve assembly 400 is located at the right side of the third duct 230, and the first right valve assembly 400 is used to control the opening and closing of the first duct 210.

A second left valve assembly 500 is installed in the second pipe 220, the second left valve assembly 500 being located to the left of the third pipe 230, the second left valve assembly 500 being used to control the make and break of the second pipe 220.

A second right valve assembly 600 is installed in the second duct 220, the second right valve assembly 600 being located at the right side of the third duct 230, the second right valve assembly 600 being used to control the opening and closing of the second duct 220.

The third valve assembly 700 is installed in the third pipeline 230, the third valve assembly 700 is located between the first pipeline 210 and the second pipeline 220, and the third valve assembly 700 is used for controlling the on/off of the third pipeline 230.

The on-off of each pipeline is controlled by arranging a plurality of valve components, so that the dispatching and switching of the water delivery system are facilitated; specifically, the pipeline in the valve well is connected to an external water delivery system through four openings penetrating through the side wall of the square well body 100, and the five valve assemblies are arranged, so that the connection and disconnection between any one opening and three other openings (except the opening) can be controlled.

And the third ladder assembly 800 comprises a third left ladder 810 and a third right ladder 820, the third left ladder 810 is erected at the left side of the third pipeline 230, the third right ladder 820 is erected at the right side of the third pipeline 230, and the top end of the third left ladder 810 is connected with the top end of the third right ladder 820.

A third left step 810 is erected on the third pipeline 230, and a third right step 820 is erected on the third pipeline 230; the ladder is placed on the pipeline, specifically, the bottom surface of the ladder abuts against the bottom surface of the inner space 110 (the square well body 100), and the side surface of the ladder abuts against the side surface of the pipeline. Set up third ladder subassembly 800, the staff that conveniently is located water pipe one side crosses water pipe through the ladder, and the opposite side to water pipe carries out work such as dispatch, switching, inspection, maintenance.

It should be understood that a first ladder assembly may be further included, which includes a first front ladder and a first rear ladder, the first front ladder is disposed on the front side of the first pipeline 210, the first rear ladder is disposed on the rear side of the first pipeline 210, and the top end of the first front ladder is connected to the top end of the first rear ladder; through setting up first ladder assembly, conveniently detect, maintain one side that is close to square well body 100 lateral wall to first pipeline 210, first valve component. It should be understood that a second ladder assembly may be further included, which includes a second front ladder and a second rear ladder, the second front ladder is disposed on the front side of the second pipeline 220, the second rear ladder is disposed on the rear side of the second pipeline 220, and the top end of the second front ladder is connected to the top end of the second rear ladder; through setting up the second ladder assembly, conveniently detect, maintain the one side that is close to square well body 100 lateral wall to second pipeline 220, second valve subassembly.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the first left valve assembly 300 comprises a first left butterfly valve 310 and a first left double-flange force transfer joint 320, the first left butterfly valve 310 and the first left double-flange force transfer joint 320 are both installed in the first pipe 210, one side of the first left butterfly valve 310 is connected with one side of the first left double-flange force transfer joint 320, the first left butterfly valve 310 is located on the left side of the third pipe 230, and the first left butterfly valve 310 is used for controlling the on/off of the first pipe 210.

The butterfly valve is a valve which is opened and closed by rotating around a valve shaft, and is a regulating valve with a simple structure and can be used for switching control of low-pressure pipeline media; the butterfly valve is a common accessory in the field of pipeline engineering, and other contents are not described herein; in this embodiment, the butterfly valve is more specifically a soft seal flange butterfly valve. The butterfly valve is convenient and rapid to open and close, saves labor, has small fluid resistance and can be operated frequently; the structure is simple, the appearance size is small, the structure length is short, the volume is small, the weight is light, and the valve is suitable for a valve with a large caliber; the installation is convenient; the opening and closing moment is small, and because the butterfly plates on the two sides of the rotating shaft are basically equal under the action of a medium, and the directions of generated torques are opposite, the opening and closing are labor-saving, and the operation is flexible and labor-saving.

The double-flange force transmission joint consists of a flange loose telescopic joint, a short pipe flange, a force transmission screw rod and other components, can reduce the pressure thrust (blind plate force) of a connected piece and compensate the installation error of a pipeline, and cannot absorb axial displacement. The double-flange force transmission joint is mainly used for loose sleeve connection of accessories such as pumps, valves and the like. The double-flange loose force transmission joint is composed of loose telescopic joint, short pipe flange and force transmission screw rod, and can transfer the pressure thrust (blind plate force) of the connected piece and compensate the pipeline error, and can not absorb axial displacement. The loose sleeve type connecting device is mainly used for loose sleeve connection of accessories such as pumps, valves, pipelines and the like. The double-flange force transmission joint is a common fitting in the field of pipeline engineering, and other contents are not described herein again.

Referring to the above description of the first left valve assembly 300, similarly, the first right valve assembly 400 includes a first right butterfly valve 410 and a first right double-flange force-transfer connector 420, the first right butterfly valve 410 and the first right double-flange force-transfer connector 420 are both installed in the first pipe 210, one side of the first right butterfly valve 410 is connected to one side of the first right double-flange force-transfer connector 420, the first right butterfly valve 410 is located on the right side of the third pipe 230, and the first right butterfly valve 410 is used for controlling the on/off of the first pipe 210.

Referring to the above description of the first left valve assembly 300, similarly, the second left valve assembly 500 includes a second left butterfly valve 510 and a second left double-flange force-transmitting joint 520, the second left butterfly valve 510 and the second left double-flange force-transmitting joint 520 are both installed in the second pipeline 220, one side of the second left butterfly valve 510 is connected to one side of the second left double-flange force-transmitting joint 520, the second left butterfly valve 510 is located at the left side of the third pipeline 230, and the second left butterfly valve 510 is used for controlling the on/off of the second pipeline 220.

Referring to the above description of the first left valve assembly 300, similarly, the second right valve assembly 600 comprises a second right butterfly valve 610 and a second right double-flange force transfer connector 620, the second right butterfly valve 610 and the second right double-flange force transfer connector 620 are both installed in the second pipe 220, one side of the second right butterfly valve 610 is connected with one side of the second right double-flange force transfer connector 620, the second right butterfly valve 610 is located on the right side of the third pipe 230, and the second right butterfly valve 610 is used for controlling the on/off of the second pipe 220.

Referring to the first left valve assembly 300, similarly, the third valve assembly 700 includes a third butterfly valve 710 and a third double flange force transfer fitting 720, the third butterfly valve 710 and the third double flange force transfer fitting 720 are both mounted in the third pipe 230, one side of the third butterfly valve 710 is connected to one side of the third double flange force transfer fitting 720, the third butterfly valve 710 is located between the first pipe 210 and the second pipe 220, and the third butterfly valve 710 is used to open and close the third pipe 230.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the first left valve assembly 300 includes a first left butterfly valve 310, the first left butterfly valve 310 includes a first left valve main body 311 and a first left valve operating handle 312, the first left valve main body 311 is connected to the first left valve operating handle 312, the first left valve main body 311 is installed in the first pipe 210, the first left valve main body 311 is located on the left side of the third pipe 230, the first left valve operating handle 312 is located on the rear side of the first pipe 210, and the first left valve operating handle 312 is used for controlling the on/off of the first pipe 210.

The butterfly valve mainly comprises the valve body, the valve rod, the butterfly plate, sealing washer and valve operating handle, in this embodiment, the valve main part includes the valve body, the valve rod, butterfly plate and sealing washer, the valve body is used for the connecting tube, and for the fixed basic carrier of other spare part installations of butterfly valve, the sealing washer is located the junction of valve body and pipeline, be used for sealing, the butterfly plate is located the valve body, be used for sealing or opening valve body inner passage, the valve rod wears to establish the valve body, the butterfly plate is connected to the one end that the valve rod is located the valve body, the valve operating handle is connected to the one end that the valve rod is located the valve body outside, the event can be through rotating valve operating handle, come to rotate the butterfly plate through the valve rod, thereby the break-make of control duct.

The first left valve operating handle 312 is located at the rear side of the first pipe 210, that is, the first left valve operating handle 312 is located between the first pipe 210 and the second pipe 220, and the space between the first pipe 210 and the second pipe 220 is larger than the space between the first pipe 210 (or the second pipe 220) and the side wall of the square well body 100, so that the first left valve operating handle 312 is located in the space between the first pipe 210 and the second pipe 220, which is convenient for the operation of the worker.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the second left valve assembly 500 comprises a second left butterfly valve 510, the second left butterfly valve 510 comprises a second left valve main body 511 and a second left valve operating handle 512, the second left valve main body 511 is connected to the second left valve operating handle 512, the second left valve main body 511 is installed in the second pipe 220, the second left valve main body 511 is located at the left side of the third pipe 230, the second left valve operating handle 512 is located at the front side of the second pipe 220, and the second left valve operating handle 512 is used for controlling the on/off of the second pipe 220.

Similarly, the second left valve operating handle 512 is located at the front side of the second pipeline 220, that is, the second left valve operating handle 512 is located in the space between the first pipeline 210 and the second pipeline 220, and the space is large, so that the operation of the worker is facilitated. Meanwhile, the first left valve operating handle 312 and the second left valve operating handle 512 are both located in the space between the first pipeline 210 and the second pipeline 220, which is more convenient for the operator to operate.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the first right valve assembly 400 includes a first right butterfly valve 410, the first right butterfly valve 410 includes a first right valve body 411 and a first right valve operating handle 412, the first right valve body 411 and the first right valve operating handle 412 are connected, the first right valve body 411 is installed in the first pipe 210, the first right valve body 411 is located on the right side of the third pipe 230, the first right valve operating handle 412 is located on the rear side of the first pipe 210, and the first right valve operating handle 412 is used for controlling the on/off of the first pipe 210.

By the arrangement, the first right valve operating handle 412 is also located in the space between the first pipeline 210 and the second pipeline 220, so that a worker can operate a plurality of valves only by turning over the third pipeline 230 through the third ladder assembly 800, and the water delivery system is convenient to schedule and switch.

Further, in order to facilitate the operation of the worker, the second right valve assembly 600 includes a second right butterfly valve 610, the second right butterfly valve 610 includes a second right valve body 611 and a second right valve operating handle 612, the second right valve body 611 and the second right valve operating handle 612 are connected, the second right valve body 611 is installed in the second pipe 220, the second right valve body 611 is located at the right side of the third pipe 230, the second right valve operating handle 612 is located at the front side of the second pipe 220, and the second right valve operating handle 612 is used for controlling the on/off of the second pipe 220.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the third valve assembly 700 includes a third butterfly valve 710, the third butterfly valve 710 includes a third valve body 711 and a third valve operating handle 712, the third valve body 711 and the third valve operating handle 712 are connected, the third valve body 711 is installed in the third pipeline 230, the third valve body 711 is located between the first pipeline 210 and the second pipeline 220, the third valve operating handle 712 is located on the left side or the right side of the third pipeline 230, and the third valve operating handle 712 is used for controlling the on/off of the third pipeline 230.

Similarly, the third valve operating handle 712 is located in the space between the first pipeline 210 and the second pipeline 220, so as to facilitate the operation of the worker.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the present invention further includes a well top cover 900 and a well cover 1000, the well top cover 900 is disposed at the upper end of the square well body 100, the well top cover 900 is used for closing the upper end opening of the square well body 100, a manhole 910 is disposed at the middle of the left side and/or the middle of the right side of the well top cover 900, the well cover 1000 is disposed on the manhole 910, and the well cover 1000 is used for closing the manhole 910.

The well top cover 900 and the hole cover 1000 are arranged to seal the valve well and prevent external rainwater, accumulated water and the like from entering the valve well. The manhole 910 is arranged, so that workers can conveniently enter the valve well to perform scheduling, switching, inspection, maintenance and the like; the manhole 910 is arranged at the side, which is convenient for the side wall of the square well body 100 to provide a supporting point; the manhole 910 is disposed in the middle of the side edge, so that when a worker enters the valve well, the worker is located in the space between the first pipeline 210 and the second pipeline 220, and the worker can contact the largest number of components in the valve well without going over the pipelines, thereby facilitating the scheduling, switching, inspecting, maintaining and the like of each component or a conveying system. "the middle part of the left side and/or the middle part of the right side of the manhole cover 900 is provided with a manhole 910", specifically, the middle part of the left side of the manhole cover 900 is provided with the manhole 910, or the middle part of the right side of the manhole cover 900 is provided with the manhole 910, or the middle parts of the left side and the right side of the manhole cover 900 are both provided with the manhole 910. It should be understood that each manhole 910 is correspondingly provided with one hole cover 1000.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, a step structure is further included, and the step structure is disposed on a sidewall of the square well body 100 and is located below the manhole 910.

The step is arranged on the wall and is provided with an arched short rod, a flat plate or a recess structure and the like for a person to put the step on when going up and down; it should be understood that the step structure may be an additional component mounted on the sidewall of the square well body 100, or a structure formed by the sidewall of the square well body 100 being recessed. The valve well can be arranged in the valve well without additionally preparing tools such as ladders for workers, and the workers can conveniently enter and exit the valve well. It should be understood that if a plurality of manholes 910 are provided, a step structure is correspondingly provided below each manhole 910.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the step structure is a plastic-steel step 1200.

The plastic steel steps 1200 are also called as plastic steel climbing stairs and manhole 910 steps, and are newly developed and produced engineering products. The product is wrapped with high-strength engineering plastics and embedded with high-quality round steel or deformed steel; the anti-skid rubber has the characteristics of attractive appearance, good anti-skid property, impact resistance and the like, and also has the characteristics of water resistance, oil resistance, acid and alkali corrosion resistance and chemical resistance; can be used for a long time in the environment of-15 to 100 ℃; the ladder stand is an ideal substitute of the traditional ladder stand and is a development direction of the ladder stand.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the manhole cover further includes a cover 1100, the front middle portion and the rear middle portion of the manhole cover 900 are provided with the vent holes 920, the cover 1100 is disposed on the vent holes 920, and the manhole cover 1000 is used for closing the manhole 910.

Set up air vent 920, conveniently get into the ventilation and ventilation processing to the valve well, prevent that the harmful gas in the valve well from storing up, erode the spare part in the valve well, endanger the health of the staff who gets into in the valve well, endanger its life even. The sealing cover 1100 is positioned on the vent hole 920, plays a role in sealing the valve well and prevents external rainwater, accumulated water and the like from entering the valve well; and the closure 1100 may be opened when venting is desired.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a large-scale double-barrelled conduit combination valve well which characterized in that includes:

the square well body is internally provided with an inner space;

a first pipe located at the front end region of the borehole space, wherein one end of the first pipe penetrates through the left side wall of the square borehole body, and the other end of the first pipe penetrates through the right side wall of the square borehole body;

the second pipeline is positioned in the rear end area of the well inner space, one end of the second pipeline penetrates through the left side wall of the square well body, and the other end of the second pipeline penetrates through the right side wall of the square well body;

the third pipeline is positioned in the well inner space, one end of the third pipeline is connected with the middle part of the first pipeline and is communicated with the first pipeline, the other end of the third pipeline is connected with the middle part of the second pipeline, and the third pipeline is communicated with the second pipeline;

the first left valve assembly is arranged in the first pipeline, is positioned on the left side of the third pipeline and is used for controlling the connection and disconnection of the first pipeline;

a first right valve assembly installed in the first duct, the first right valve assembly being located on a right side of the third duct, the first right valve assembly being used to control make and break of the first duct;

the second left valve assembly is installed in the second pipeline, is positioned on the left side of the third pipeline and is used for controlling the on-off of the second pipeline;

the second right valve assembly is installed in the second pipeline, is positioned on the right side of the third pipeline and is used for controlling the on-off of the second pipeline;

the third valve assembly is arranged in the third pipeline, is positioned between the first pipeline and the second pipeline and is used for controlling the on-off of the third pipeline;

the third ladder assembly comprises a third left ladder and a third right ladder, wherein the third left ladder is erected on the left side of the third pipeline, the third right ladder is erected on the right side of the third pipeline, and the top end of the third left ladder is connected with the top end of the third right ladder.

2. The large double-pipe water pipe combined valve well according to claim 1, wherein the first left valve component comprises a first left butterfly valve and a first left double-flange force transmission joint, the first left butterfly valve and the first left double-flange force transmission joint are both installed in the first pipe, one side of the first left butterfly valve is connected with one side of the first left double-flange force transmission joint, the first left butterfly valve is located on the left side of the third pipe, and the first left butterfly valve is used for controlling on-off of the first pipe.

3. The large double-pipe water pipe combined valve well according to claim 1, wherein the first left valve component comprises a first left butterfly valve, the first left butterfly valve comprises a first left valve main body and a first left valve operating handle, the first left valve main body is connected with the first left valve operating handle, the first left valve main body is installed in the first pipe, the first left valve main body is located on the left side of the third pipe, the first left valve operating handle is located on the rear side of the first pipe, and the first left valve operating handle is used for controlling the on-off of the first pipe.

4. The large double-pipe water pipe combined valve well according to claim 3, wherein the second left valve component comprises a second left butterfly valve, the second left butterfly valve comprises a second left valve main body and a second left valve operating handle, the second left valve main body is connected with the second left valve operating handle, the second left valve main body is installed in the second pipe, the second left valve main body is located on the left side of the third pipe, the second left valve operating handle is located on the front side of the second pipe, and the second left valve operating handle is used for controlling on-off of the second pipe.

5. The large double-pipe water conveying pipeline combined valve well according to claim 3, wherein the first right valve assembly comprises a first right butterfly valve, the first right butterfly valve comprises a first right valve main body and a first right valve operating handle, the first right valve main body is connected with the first right valve operating handle, the first right valve main body is installed in the first pipeline, the first right valve main body is located on the right side of the third pipeline, the first right valve operating handle is located on the rear side of the first pipeline, and the first right valve operating handle is used for controlling the on-off of the first pipeline.

6. The large double-pipe water pipe combined valve well according to claim 1, wherein the third valve assembly comprises a third butterfly valve, the third butterfly valve comprises a third valve main body and a third valve operating handle, the third valve main body is connected with the third valve operating handle, the third valve main body is installed in the third pipe, the third valve main body is located between the first pipe and the second pipe, the third valve operating handle is located on the left side or the right side of the third pipe, and the third valve operating handle is used for controlling the on-off of the third pipe.

7. The large-scale double-pipe water pipe combined valve well according to claim 1, further comprising a well top cover and a hole cover, wherein the well top cover is arranged at the upper end of the square well body and used for sealing an upper end opening of the square well body, a manhole is arranged in the middle of the left side and/or the middle of the right side of the well top cover, the hole cover is arranged on the manhole, and the hole cover is used for sealing the manhole.

8. The large-scale double-pipe water pipeline combined valve well according to claim 7, further comprising a step structure, wherein the step structure is arranged on the side wall of the square well body, and the step structure is located below the manhole.

9. The large double-pipe water pipe combined valve well according to claim 8, wherein the step structure is a plastic steel step.

10. The large-scale double-pipe water pipe combined valve well according to claim 7, further comprising a sealing cover, wherein the middle part of the front side and the middle part of the rear side of the well top cover are provided with vent holes, the sealing cover is arranged on the vent holes, and the hole cover is used for sealing the manhole.

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