CN204004628U - A kind of underground engineering water buoyancy autocontrol valve - Google Patents
A kind of underground engineering water buoyancy autocontrol valve Download PDFInfo
- Publication number
- CN204004628U CN204004628U CN201420486718.1U CN201420486718U CN204004628U CN 204004628 U CN204004628 U CN 204004628U CN 201420486718 U CN201420486718 U CN 201420486718U CN 204004628 U CN204004628 U CN 204004628U
- Authority
- CN
- China
- Prior art keywords
- flap
- underground engineering
- valve
- elastic force
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Safety Valves (AREA)
Abstract
The utility model has been announced a kind of underground engineering water buoyancy autocontrol valve, comprises the valve seat being connected on relief pipeline, and the maintenance post by two or more on described valve seat is connected with upper valve body, keeps formation spaced apart space between post; Keeping, between post, a flap matching with valve seat is also installed, an elastic force apparatus is installed between flap and upper valve body, the pressure of the elastic force of elastic force apparatus and flap below is as the power of flap action.The utility model is in the time that the pressure of flap below is greater than the elastic force of elastic force apparatus, flap moves upward, valve opening, the pressure in basement outside is discharged and is reduced, in the time that pressure is less than the elastic force of elastic force apparatus, valve closing, so can effectively solve the anti-floating problem of underground engineering from construction to overall process the spreadable life, reaches the object of avoiding underground engineering to be damaged.
Description
Technical field
The utility model relates to a kind of valve, specifically refers to a kind of underground engineering water buoyancy autocontrol valve.
Background technique
Along with developing rapidly of economy, land resources is day by day rare, and people require more and more higher to the utilization of the underground space, how effectively to solve underground engineering anti-floating problem and cause the extensive concern of engineers.Underground engineering anti-floating mainly comprises overall anti-floating, the anti-floating in local anti-floating and work progress.If Anti-floating design is improper, may cause underground engineering in construction and using process, structural entity floating or local eminence.At present, defence water level is generally provided by geological mapping unit, and in the time having long-term observations of water stage data, the anti-floating water level of setting up defences can be determined according to the variation of underground water during this layer of underground water actual measurement highest water level and building operation; During without long-term observation data or data deficiencies, by surveying highest stabilizing water level during prospecting and determining in conjunction with combined factors such as topography and geomorphology, ground water recharge, Escape conditions.In recent years, rise because the factors such as extra torrential rain, water pipe explosion, river course supply, drainage difficulty cause anti-floating water level, the actual anti-floating ability of its underground engineering is not met the demands and cause underground engineering structure entirety to float or local eminence accident happens occasionally.In order to solve the anti-floating problem of the engineering that has an accident, claimant has invented the draining pressure release scheme of basement before this, and be applied in actual engineering, but in the process of research that this technology is summarized, find that the technological scheme having used at present exists certain limitation: underground engineering is because of its geological condition, the difference in geographical position, its anti-floating water level varies, and change with surrounding enviroment and changes of weather, this just causes conventional anti-float method to have serious potential safety hazard, and there is Environmental Conditions limitation in original pressure relief method, the problem that long-time running cost is high.
Model utility content
The purpose of this utility model is to provide a kind of underground engineering water buoyancy autocontrol valve, solve the serious potential safety hazard that current anti-float method and pressure release mode exist, when reducing costs, effective solution basement uses the anti-floating problem of overall process from constructing to, reaches the object of avoiding basement to be damaged.
The purpose of this utility model is achieved through the following technical solutions:
A kind of underground engineering water buoyancy autocontrol valve, comprises the valve seat being connected on relief pipeline, and the maintenance post by two or more on described valve seat is connected with upper valve body, keeps formation spaced apart space between post; Keeping, between post, a flap matching with valve seat is also installed, an elastic force apparatus is installed between flap and upper valve body, the pressure of the elastic force of elastic force apparatus and flap below is as the power of flap action.The utility model is the innovation and creation of making for existing basement pressure release scheme, in existing basement pressure release scheme, relief tube is the state in work always substantially, continuously the water of basement external is incorporated into and in basement, is completed pressure release by pipeline, in some more rich areas in special area, particularly underground water, draining meeting continuously causes part soil erosion, reduce service life of equipment, increase cost.Study discovery through claimant: can an automatic relief valve head it off be installed on laminated structure unloading, if use existing valve, it is difficult to accomplish automatic control, to this, adopt a valve seat to be arranged on relief pipeline as the benchmark connecting, a flap is installed on valve seat, folding between flap and valve seat, close performing an action as this valve, adopt two or more maintenance post to be fixedly connected with upper valve body, upper valve body is as fixed block, keep post as the supporting structure that keeps spacing between upper valve body and valve seat, be looped around simultaneously and on valve seat, be uniformly distributed the symplex structure forming centered by the axis of valve seat, lay flap therebetween, can limit flap can only move on the axis of valve seat, an elastic force apparatus is installed between flap and upper valve body, because upper valve body is fixed, therefore promotion flap is moved down, the power that elastic force apparatus is closed as flap, and the power that the pressure of valve seat below is opened as flap, in the time that the pressure of flap below is greater than the elastic force of elastic force apparatus, flap moves upward, valve opening, the pressure in basement outside is discharged and is reduced, in the time that pressure is less than the elastic force of elastic force apparatus, valve closing, so can effectively solve the anti-floating problem of ground engineering.
Described elastic force apparatus comprises the directional post that is arranged on flap, is sleeved on the spool in upper valve body, valve core housing is contained on directional post, the surperficial convex of spool also forms a spacer ring between spool and upper valve body, is set with the spring between spacer ring and flap outward at described spool.By the cooperation of spool and directional post, can make the sports of spring change direction unanimously, be not subject to horizontal external force and damage, and the separation structure of spool and upper valve body to be convenient to assembling, the mechanical property between parts is more excellent.
Be provided with an adjusting screw rod through upper valve body at described upper valve body top, the rotational band movable valve plug of adjusting screw rod moves up and down.By the rotation of adjusting screw rod is set, can make spool move with respect to flap, thereby the decrement of Regulation spring, and then change the limiting value that flap is opened, and be applicable to buoyancy requirement outside different basements, be convenient to promote the use of, and, for different geographical environments and climatic environment, can regulate different unlatching values, booster practicability.
The upper surface of described spool is recessed to form a conical socket downwards on its axial direction, is provided with a bulb in the bottom of adjusting screw rod.In the theory analysis and experimentation of sample, claimant finds the data that theory analysis goes out and tests between the data that obtain to exist discrete irregular data, cause existence deviation in various degree between notional result and experimental result, a large amount of analog studies and experiment are carried out for this phenomenon claimant, finally find the reason that this problem exists: due to the inaccuracy of machining manufacturing process, gap between upper valve body and spool is larger simultaneously, cause adjustable lever may occur having angle between its axis to the Driving force of spool, this angle departing from decomposes Driving force, make spring be subject in the horizontal external force, thereby the active force of adjustable lever is decomposed, make to use result inaccurate, in order to address this problem, claimant has made improvement through research and experiment repeatedly to technological scheme: first a tapered blind hole is set at the top of spool, namely groove, then at the end of adjustable lever, a bulb is set, require the axis of adjustable lever, the axis of spool, the axis of conical socket is all on same straight line, in the time that the active force of adjustable lever departs from, coordinating of the inclined-plane of cone tank and bulb can correction position, make pressure that spool is subject to all the time on its axis, thereby make spring only be subject to the power on its axis, avoid it to be subject to horizontal force and reduce precision.
The upper surface of described flap moves down and forms a groove, and the bottom of described directional post is provided with the positioning block matching with this groove.By groove is set on flap, directional post bottom arranges positioning block, can be so that efficiency of assembling is improved in the assembling of directional post and location.
On described valve seat, be provided with impulse mouth, on impulse mouth, be connected with pressure gauge by pressure inlet tube.Show the liquid pressure value in valve seat by pressure gauge, can record intuitively the variation of basement outside pressure, sum up rule, so that the setting of the adjustment in later stage and expection.
On described upper valve body, be provided with the positioning ring matching with pressure inlet tube.By positioning ring is installed, can fix the position of pressure inlet tube, be conducive to protect interface.
On described flap, be provided with a circle seal ring.By seal ring is set, can keep the pressure in basement outside, that avoids that local pressure release causes is unstable.
On described valve seat, be provided with sewage draining exit, blowdown valve is installed on sewage draining exit.Quality of ground water varies, and need to have special blowdown valve, and general valve does not have, and in the time that the mud in valve body is more, can carry out by blowdown valve the discharge of mud, by sludge pump is installed, can clear up mud, avoids line clogging.
The utility model compared with prior art, has following advantage and beneficial effect:
A kind of underground engineering water of 1 the utility model buoyancy autocontrol valve, adopt a valve seat to be arranged on relief pipeline as the benchmark connecting, a flap is installed on valve seat, folding between flap and valve seat, close performing an action as this valve, adopt two or more maintenance post to be fixedly connected with upper valve body, upper valve body is as fixed block, keep post as the supporting structure that keeps spacing between upper valve body and valve seat, be looped around simultaneously and on valve seat, be uniformly distributed the symplex structure forming centered by the axis of valve seat, lay flap therebetween, can limit flap can only move on the axis of valve seat, an elastic force apparatus is installed between flap and upper valve body, because upper valve body is fixed, therefore promotion flap is moved down, the power that elastic force apparatus is closed as flap, and the power that the pressure of valve seat below is opened as flap, in the time that the pressure of flap below is greater than the elastic force of elastic force apparatus, flap moves upward, valve opening, the pressure in basement outside is discharged and is reduced, in the time that pressure is less than the elastic force of elastic force apparatus, valve closing, efficiently solves the anti-floating problem of underground engineering,
A kind of underground engineering water of 2 the utility model buoyancy autocontrol valve, by the rotation of adjusting screw rod is set, can make spool move with respect to flap, thus the decrement of Regulation spring, and then change the limiting value that flap is opened, be applicable to buoyancy requirement outside different basements, be convenient to promote the use of, and, for different geographical environments and climatic environment, can regulate different unlatching values, booster practicability;
A kind of underground engineering water of 3 the utility model buoyancy autocontrol valve, a tapered blind hole is set at the top of spool, namely groove, then at the end of adjustable lever, a bulb is set, the axis of the axis of requirement adjustable lever, the axis of spool, conical socket is all on same straight line, in the time that the active force of adjustable lever departs from, coordinating of the inclined-plane of cone tank and bulb can correction position, make pressure that spool is subject to all the time on its axis, thereby make spring only be subject to the power on its axis, avoid it to be subject to horizontal force and reduce precision.
Brief description of the drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms the application's a part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is that the utility model partly cuts open structural representation.
Mark and corresponding component title in accompanying drawing:
1-valve seat, 2-flap, 3-upper valve body, 4-directional post, 5-spool, 6-spacer ring, 7-spring, 8-adjusting screw rod, 9-bulb, 10-positioning block, 11-impulse mouth, 12-pressure inlet tube, 13-pressure gauge, 14-positioning ring, 15-seal ring, 16-sewage draining exit, 17-blowdown valve, 18-keeps post.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment
As shown in Figure 1, a kind of underground engineering water of the utility model buoyancy autocontrol valve, adopt a valve seat 1 to be arranged on relief pipeline as the benchmark connecting, a flap 2 is installed on valve seat 1, on valve seat 1, be fixedly connected with a upper valve body 3 by four maintenance posts 18 that are parallel to each other, keep post 18 as the supporting structure that keeps spacing between upper valve bodies 3 and valve seat 1, be looped around on valve seat 1 simultaneously and be uniformly distributed the symplex structure of formation centered by the axis of valve seat 1, upper valve body 3 is cylindric, its top seal forms cecum, the bottom of upper valve body 3 outwards turnover extends to form disk, be used for installing maintenance post 18, be provided with a groove at the middle part of flap 2, be provided with the positioning block 10 matching with this groove in the bottom of directional post 4, directional post 4 utilizes being fixed on flap 2 of positioning block 10 and groove, directional post 4 entirety are cylindric, on directional post 4, be set with a spool 5, spool 5 is cylindric, its bottom opening is convenient to directional post 4 and is inserted, its top seal forms cecum, and form in the outside of spool 5 spacer ring 6 that a circle protrudes, spacer ring 6 is positioned at the inside of upper valve body 3, be set with spring 7 in spool 5 outsides, spring 7 is compressed formation elastic force between flap 2 and spacer ring 6, compressing flap 2 ends valve seat 1, be provided with the conical socket of coaxial line at the top of spool 5, at the top of upper valve body 3, coaxial adjusting screw rod 8 is installed, the bottom of adjusting screw rod 8 is provided with a bulb 9, bulb drops in conical socket, on valve seat 1, be provided with impulse mouth 11, on impulse mouth 11, be connected with pressure gauge 13 by pressure inlet tube 12, pressure inlet tube 12, through the positioning ring 14 being arranged on upper valve body 3, is provided with a circle seal ring 14 on flap 2, on valve seat 1, be provided with sewage draining exit 15, blowdown valve 16 is installed on sewage draining exit 15, in the time that the mud in valve body 1 is more, can carry out the discharge of mud by blowdown valve 16, avoid line clogging, in the time that the pressure of flap 2 belows is greater than the elastic force of elastic force apparatus, flap 2 moves upward, valve opening, otherwise close.
Above-described embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only embodiment of the present utility model; and be not used in limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a underground engineering water buoyancy autocontrol valve, comprise the valve seat (1) being connected on relief pipeline, it is characterized in that: be above connected with upper valve body (3) by two or more maintenance post (18) at described valve seat (1), keep formation spaced apart space between post (18); Keeping, between post (18), a flap (2) matching with valve seat (1) is also installed, between flap (2) and upper valve body (3), an elastic force apparatus is installed, the pressure of the elastic force of elastic force apparatus and flap (2) below is as the power of flap (2) action.
2. a kind of underground engineering water buoyancy autocontrol valve according to claim 1, it is characterized in that: described elastic force apparatus comprises the directional post (4) that is arranged on flap (2), is sleeved on the spool (5) in upper valve body (3), spool (5) is sleeved on directional post (4), the surperficial convex of spool (5) also forms a spacer ring (6) between spool (5) and upper valve body (3), is set with the spring (7) being positioned between spacer ring (6) and flap (2) outside described spool (5).
3. a kind of underground engineering water buoyancy autocontrol valve according to claim 2, it is characterized in that: be provided with an adjusting screw rod (8) through upper valve body (3) at described upper valve body (3) top, the rotational band movable valve plug (5) of adjusting screw rod (8) moves up and down.
4. a kind of underground engineering water buoyancy autocontrol valve according to claim 3, it is characterized in that: the upper surface of described spool (5) is recessed to form a conical socket downwards on its axial direction, be provided with a bulb (9) in the bottom of adjusting screw rod (8).
5. a kind of underground engineering water buoyancy autocontrol valve according to claim 2, it is characterized in that: the upper surface of described flap (2) moves down and forms a groove, and the bottom of described directional post (4) is provided with the positioning block (10) matching with this groove.
6. according to a kind of underground engineering water buoyancy autocontrol valve described in any one in claim 1 to 5, it is characterized in that: on described valve seat (1), be provided with impulse mouth (11), be above connected with pressure gauge (13) by pressure inlet tube (12) at impulse mouth (11).
7. a kind of underground engineering water buoyancy autocontrol valve according to claim 6, is characterized in that: on described upper valve body (3), be provided with the positioning ring (14) matching with pressure inlet tube (12).
8. according to a kind of underground engineering water buoyancy autocontrol valve described in any one in claim 1 to 5, it is characterized in that: on described flap (2), be provided with a circle seal ring (15).
9. according to a kind of underground engineering water buoyancy autocontrol valve described in any one in claim 1 to 5, it is characterized in that: on described valve seat (1), be provided with sewage draining exit (16), blowdown valve (17) is installed on sewage draining exit (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486718.1U CN204004628U (en) | 2014-08-27 | 2014-08-27 | A kind of underground engineering water buoyancy autocontrol valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486718.1U CN204004628U (en) | 2014-08-27 | 2014-08-27 | A kind of underground engineering water buoyancy autocontrol valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004628U true CN204004628U (en) | 2014-12-10 |
Family
ID=52044631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486718.1U Expired - Fee Related CN204004628U (en) | 2014-08-27 | 2014-08-27 | A kind of underground engineering water buoyancy autocontrol valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180034A (en) * | 2014-08-27 | 2014-12-03 | 四川省建筑科学研究院 | Automatic control valve for water buoyancy of underground construction |
| CN111809704A (en) * | 2020-07-29 | 2020-10-23 | 青岛时代建筑设计有限公司 | Drainage system for reducing anti-floating water level |
-
2014
- 2014-08-27 CN CN201420486718.1U patent/CN204004628U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180034A (en) * | 2014-08-27 | 2014-12-03 | 四川省建筑科学研究院 | Automatic control valve for water buoyancy of underground construction |
| CN111809704A (en) * | 2020-07-29 | 2020-10-23 | 青岛时代建筑设计有限公司 | Drainage system for reducing anti-floating water level |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11105708B2 (en) | Bidirectional variable cross-section water-pressure bearer cycle test system for coal mine water inrush model test | |
| CN104180034A (en) | Automatic control valve for water buoyancy of underground construction | |
| CN203516832U (en) | Two-position three-way valve for wellhead safety control system | |
| CN204012618U (en) | Cable sealing device and construction of diaphragm wall machinery | |
| CN204004628U (en) | A kind of underground engineering water buoyancy autocontrol valve | |
| CN204676505U (en) | A kind of float-ball type single slope drainage pipe | |
| CN105840894A (en) | Viscosity-sensitive flow control valve | |
| CN204715426U (en) | A kind of water burst drainage system for closed deep foundation ditch exploratory hole | |
| CN103898997B (en) | There is self-checking device and the control method thereof of the drain function that blocks water | |
| CN203729314U (en) | Anti-floating relief well | |
| CN110905063A (en) | Waterway system of sponge city | |
| CN203403407U (en) | Steel casing automatically adjusting water pressure difference | |
| CN205188442U (en) | Impressed current cathodic protection iron and steel of solar energy power supply corrodes device and system | |
| CN205479425U (en) | Sealed regulator | |
| CN209975621U (en) | Open caisson formula water hammer protective equipment | |
| CN111155974A (en) | Oil-water displacement state prediction method for oil replacement by water injection of fracture-cavity oil reservoir | |
| CN109680729A (en) | A kind of underground water pressure relief device and method | |
| CN203284770U (en) | Buried type underground water reinjection system | |
| CN206286843U (en) | A kind of clamping cylinder suitable for cutter | |
| CN202769030U (en) | High pressure difference classification protection type adjusting valve | |
| CN104500812A (en) | Electric low-power-consumption valve | |
| CN205226512U (en) | Underground works self -adaptation pressure controller | |
| CN204941456U (en) | A kind of differential-pressure type oil drain device | |
| CN204804805U (en) | Fireflood tail gas is anticorrosive prevents reinjection technology tubular column against current | |
| CN203374848U (en) | Metal sealing valve plate and valve bases for underwater flat gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170827 |