CN114838190B - Direct-buried underground valve well - Google Patents
Direct-buried underground valve well Download PDFInfo
- Publication number
- CN114838190B CN114838190B CN202210383046.0A CN202210383046A CN114838190B CN 114838190 B CN114838190 B CN 114838190B CN 202210383046 A CN202210383046 A CN 202210383046A CN 114838190 B CN114838190 B CN 114838190B
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- Prior art keywords
- valve
- rotating shaft
- hand wheel
- piece
- well body
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 238000004146 energy storage Methods 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000002274 desiccant Substances 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 description 22
- 239000010432 diamond Substances 0.000 description 22
- 230000009471 action Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
- F04D25/045—Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H33/00—Gearings based on repeated accumulation and delivery of energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the technical field of valve wells, in particular to a direct-buried underground valve well, which comprises a well body, wherein a valve which is opened or closed by a hand wheel is arranged in the well body; the driving mechanism is used for driving the hand wheel to rotate so as to loosen the hand wheel in a rotating way and keep the valve in a current normally open or normally closed state, and is arranged on the well body; the driving mechanism is driven by one or more existing energies existing in nature; the driving mechanism is driven to move by the existing energy in the natural world, the hand wheel of the valve in the well body is driven to rotate back and forth by a small amplitude by the driving mechanism, and the valve is still in the current normally open or normally closed state, so that the problem that the valve cannot be opened or closed in emergency due to valve stiffness caused by long-time non-use of the valve in the well body is solved.
Description
Technical Field
The invention relates to the technical field of valve wells, in particular to a direct-buried underground valve well.
Background
With the society entering the underground pipeline transportation era, the transportation pipelines of gas pipe networks, heating, drinking water, chemical gas, liquid and the like are rapidly increased. Pipeline valve products are increasing, and the demands of valve performance technology are simultaneously fed back. The valve types are various, and at present, the valve applied to the underground pipeline is mostly a manual valve controlled manually, and the valve is arranged on the underground pipeline, so that an inspection well is required to be arranged at the position where the valve is arranged in order to meet the requirements of opening, closing and maintenance, and the inspection well has potential safety hazard once damaged. Such valves also have inflexible switches, are prone to rust, and often require maintenance.
The utility model provides a chinese patent application number is CN2012102969082, and publication day is 2015-09-09 day open totally enclosed pneumatic valve, including disk seat casing, valve gap, air chamber casing, thrust dish, thrust pole, balanced reset spring and air chamber, the one end of disk seat casing is equipped with the medium entry, and the other end is equipped with the medium export, the valve gap is arranged in the disk seat casing and with the medium entry cooperatees and is connected, is equipped with medium export one end be equipped with at least three stabilizer blade on the disk seat casing inner wall, the air chamber casing is arranged in the disk seat casing.
However, although the service life of the valve can be prolonged to a certain extent, the valve in part of the valve wells is not used for a long time, so that the valve is stiff, and the hand wheel cannot rotate to close the valve
The problem of (2) occurs, and the failure of the valve to open or close in an emergency critical situation may cause a major accident, and thus, the problem is to be solved.
Disclosure of Invention
The invention aims at solving the defects of the prior art, and provides a direct-buried underground valve well, wherein the driving mechanism is driven to move by the existing energy in the nature, the hand wheel of a valve in the well body is driven to rotate back and forth by a small amplitude by the driving mechanism, and the valve is still in a current normally open or normally closed state, so that the problem that the valve cannot be opened or closed in emergency due to valve stiffness caused by long-time non-use of the valve in the well body is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: a directly buried underground valve well, comprising:
the well body is internally provided with a valve which is opened or closed through a hand wheel;
the driving mechanism is used for driving the hand wheel to rotate so as to loosen the hand wheel in a rotating way and keep the valve in a current normally open or normally closed state, and is arranged on the well body;
The driving mechanism includes:
the pushing piece is used for driving the hand wheel to rotate so that the hand wheel is rotationally loosened and is connected with the hand wheel;
the limiting piece is used for limiting the pushing piece so that the valve is still in the current normally open or normally closed state, and is arranged beside the pushing piece;
The energy extraction mechanism is used for extracting the existing energy in the nature and is directly or indirectly connected with the pushing piece;
the drive mechanism is driven by one or more of the existing energies found in nature.
Further, the pushing piece is annular or circular, the pushing piece is clamped on the hand wheel, and a rod piece is connected to the side wall of the pushing piece;
The limiting piece is annular and notched, is matched with the annular pushing piece and is arranged outside the annular pushing piece, and is fixed in the well body;
the rod piece is positioned at the notch of the annular limiting piece.
Further, the energy extraction mechanism includes: a first frame; a first impeller; a first rotating shaft;
the upper end of the first rotating shaft connected with the well body through the first frame is provided with a first impeller.
Further, the energy storage mechanism for rapidly releasing the energy stored and accumulated by the energy drawing mechanism to drive the pushing member to act is arranged between the energy drawing mechanism and the pushing member.
A labor-saving mechanism is arranged between the energy storage mechanism and the pushing piece;
The energy storage mechanism is used for storing energy which is released quickly and is used for driving the input end of the labor-saving mechanism;
the labor-saving mechanism comprises a lever;
the second rotating shaft is rotationally connected with the lever, the long end of the lever is an input end, the short end of the lever is an output end, and the output end of the lever is provided with an inclined plate for driving the pushing piece to act.
Further, the energy storage mechanism includes: the inner ring and the outer ring are provided with toothed belts; a guide plate;
The two guide plates are respectively positioned at two sides of the belt without teeth and are vertically arranged at the bottom of the well body, and flat annular guide rails are arranged at one opposite sides of the two guide plates;
The first gear is meshed with the inner ring of the belt and drives the belt to rotate;
the two sides of the diamond-shaped blocks are connected to the annular guide rail in a sliding manner through guide rods;
The first inclined block and the second inclined block are respectively arranged at the upper end and the lower end of the annular guide rail and are vertically connected with the guide plate;
The weight is connected with the lower end of the diamond-shaped block through a pull rope.
Further, an explosion-proof device for preventing the hand wheel from being frequently loosened is arranged at the lever and comprises an inflator pump;
The first cylinder is internally provided with a first air rod in a matching way; a clamping piece;
The inflator which receives the downward pressure of the input end of the lever to perform the inflation action is one-way ventilated with the first cylinder facing the lever through the air pipe; the first air rod used for clamping the lever is connected with the clamping piece; and a leakage hole is formed in the first cylinder.
Further, be provided with unidirectional rotation unit between first frame and the first pivot, unidirectional rotation unit includes:
the shaft sleeve is sleeved on the first rotating shaft, the outer wall of the shaft sleeve is connected with the first rack, and the upper end face of the shaft sleeve is annularly provided with a first barb;
the lower end face of the chuck sleeved on the first rotating shaft is provided with a second barb matched with the first barb on the shaft sleeve;
The bolt is used for limiting the chuck to rotate relative to the first rotating shaft and is arranged on the shaft surface of the first rotating shaft in parallel.
Further, the upper end of the well body is provided with an upper cover, an upper cover department is provided with a ventilation assembly, the ventilation assembly includes:
One end of the vent pipe in which the drying agent is arranged is positioned outside the well body, the other end of the vent pipe stretches into the well body, one end of the vent pipe stretching into the well body is coaxially arranged with the first rotating shaft, and a pipe orifice at one end of the vent pipe positioned outside the well body faces downwards;
the conical cover is used for shielding rain and is arranged at the upper part of the first rotating shaft at the joint of the vent pipe and the first rotating shaft;
The second impeller is used for exhausting air and is arranged on the upper part of the first rotating shaft at the joint of the vent pipe and the first rotating shaft.
The invention has the beneficial effects that:
(1) According to the invention, the driving mechanism is driven to move by the existing energy in the nature, and the driving mechanism drives the hand wheel of the valve in the well body to rotate back and forth by a small extent, so that the hand wheel is loosened, the problem that the hand wheel cannot rotate due to valve stiffness caused by long-time non-use of the valve in the well body can be avoided, and further, the problem that serious accidents are caused because the valve cannot be opened or closed in emergency critical time can be avoided.
(2) According to the invention, the pushing piece and the limiting piece work cooperatively, and the limiting piece limits the motion of the pushing piece, so that the pushing piece can only act within a certain range, and the valve is ensured to be still in the current normally open or normally closed state, and the small-amplitude rotation looseness of the hand wheel can be realized.
The input end of the labor-saving mechanism is driven by the energy storage mechanism, the pushing piece is driven to rotate by the output end of the labor-saving mechanism, and the hand wheel is driven to rotate by the rotation of the pushing piece, so that the problem that the hand wheel is difficult to open or close under an emergency due to valve stiffness caused by long-time immobility is solved, the hand wheel is driven to rotate by small force through the labor-saving mechanism, the hand wheel can be indirectly driven to rotate when the energy drawing mechanism draws less energy, and the problem that the energy drawing mechanism cannot acquire more energy at one time and cannot drive the hand wheel to rotate is avoided.
(3) According to the invention, as the conveying end of the lever is pressed down, the pressed-down lever input end extrudes the inflator, so that the inflator performs inflation action, the inflator inflates the first cylinder through the inflation pipe provided with the one-way valve, so that the first air rod in the first cylinder stretches out to enable the clamping piece to clamp the lever, the lever cannot act, the air leakage hole on the first cylinder leaks air slowly, the air leakage hole is sized, the excessive air in the first cylinder can be discharged after a plurality of days, and the clamping piece automatically withdraws and breaks away from the lever after the excessive air in the first cylinder is discharged by the air leakage hole, so that the problems that the loss of the sealing piece in the valve is large and is unfavorable for the sealing of the valve and the service life of the valve is influenced due to the fact that the small-amplitude rotation of the hand wheel is too frequent are solved.
(4) According to the invention, the first rotating shaft rotates to drive the second impeller to rotate, the second impeller rotates to realize air suction of the vent pipe, and when outside air passes through the vent pipe, the air passes through the drying agent to be dried, so that the dried air is introduced into the well body through the vent pipe, the drying of the environment in the well body is realized, and the problem that the valve is rusted and stiff and is difficult to open or close due to the wetting of air in the well body is avoided or reduced.
In conclusion, the direct-buried underground valve well disclosed by the invention has the advantages of simple and reliable structure, energy conservation, environmental protection, high practicability and the like.
Drawings
FIG. 1 is a schematic overall structure of a first embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an internal structure of a first embodiment of the present invention;
FIG. 3 is a schematic view of the valve of the present invention;
FIG. 4 is a schematic overall structure of a second embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an internal structure of a second embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic diagram of the connection of the labor saving mechanism, the explosion proof mechanism and the driving mechanism of the present invention;
FIG. 8 is a schematic overall structure of a third embodiment of the present invention;
FIG. 9 is a schematic view of a partial structure of a third embodiment of the present invention;
Reference numerals: valve 00, hand wheel 01, well 1, driving mechanism 2, pushing piece 21, rod 211, first elastic piece 212, limiting piece 22, energy drawing mechanism 23, first rotating shaft 233, bump 234, first frame 231, first impeller 232, energy storage mechanism 3, belt 31, guide plate 32, annular guide rail 321, diamond 33, guide rod 331, first oblique piece 34, second oblique piece 35, weight 36, first gear 37, gear train 38, labor saving mechanism 4, lever 41, input end 411, second rotating shaft 42, oblique plate 43, explosion-proof device 5, inflator 51, first air lever 521, first cylinder 52, clamping piece 53, air leakage hole 54, unidirectional rotation unit 6, sleeve 61, chuck 62, plug 63, upper cover 11, ventilation assembly 7, ventilation pipe 71, conical cover 72, second impeller 73.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1-3, the present invention provides a direct burial subsurface valve well comprising:
A well body 1, wherein a valve 00 opened or closed by a hand wheel 01 is arranged in the well body 1;
The driving mechanism 2 is used for driving the hand wheel 01 to rotate so as to loosen the hand wheel 01 in a rotating way and keep the valve 00 still in the current normally open or normally closed state, and the driving mechanism 2 is arranged on the well body 1;
The driving mechanism 2 includes:
the pushing piece 21 is used for driving the hand wheel 01 to rotate so that the pushing piece 21 which loosens the hand wheel 01 in a rotating way is connected with the hand wheel 01;
the limiting piece 22 is used for limiting the pushing piece 21, and the limiting piece 22 which is used for limiting the pushing piece 21 so that the valve 00 is still in the current normally open or normally closed state is arranged beside the pushing piece 21;
the energy drawing mechanism 23 is used for drawing the energy existing in the nature, and the energy drawing mechanism 23 is directly or indirectly connected with the pushing piece 21.
The drive mechanism 2 is driven by one or more of the existing energies found in nature.
When the device works, the driving mechanism 2 is driven to move by the existing energy in the nature, the hand wheel 01 of the valve 00 in the well body 1 is driven to rotate back and forth by a small extent by the driving mechanism 2, the hand wheel 01 rotates by a small extent to ensure that the valve 00 is still in the current normally open or normally closed state, but not in a state that the valve 00 is turned to be closed by opening or turned to be opened by closing, the driving mechanism 2 is driven by the existing energy in the nature, and the existing energy in the nature comprises one or more of solar energy, wind energy, tidal energy, wave energy, biomass energy or waterpower and the like; if the driving mechanism 2 is driven to move by wind energy, and then the driving mechanism 2 drives the hand wheel 01 to rotate back and forth in a small amplitude to loosen the hand wheel 01, the problem that the hand wheel 01 cannot rotate due to rigidification of the valve 00 caused by long-time non-use of the valve 00 in the well body 1 can be avoided, and further the problem that serious accidents are caused because the valve 00 cannot be opened or closed in emergency critical time can be avoided; the energy drawing mechanism 23 draws the existing energy in the nature, and uses the drawn energy to drive the pushing piece 21 to move, the pushing piece 21 moves and drives the hand wheel 01 to rotate back and forth to loosen the hand wheel 01, and the limiting piece 22 limits the movement of the pushing piece 21, so that the pushing piece 21 can only act within a certain range, and the valve 00 is still in the current normally open or normally closed state. The energy drawing mechanism 23 is a hydraulic vehicle in the prior art, the hydraulic vehicle rotates to drive the first rotating shaft 233 to rotate, the first rotating shaft 233 drives the pushing member 21 to move through the gear set 38, the pushing member 21 converts the rotating power of the first rotating shaft 233 into the rotating motion of the hand wheel 01 of the valve 00, and the limiting member 22 limits the moving range of the pushing member 21, so that the hand wheel 01 can only rotate within a limited range, and the valve 00 is still in the current normally open or normally closed state.
As shown in fig. 2, the pushing member 21 is annular or circular, the pushing member 21 is clamped on the hand wheel 01, and a rod 211 is connected to a side wall of the pushing member 21;
the limiting piece 22 is in a filter with a notch in a ring shape, the limiting piece 22 is matched and arranged outside the annular pushing piece 21, and the limiting piece 22 is fixed in the well body 1;
The lever 211 is located at a position where the annular limiting member 22 is notched.
During operation, the rod piece 211 is connected with the side wall of the notch of the limiting piece 22 through the first elastic piece 212; the limiting piece 22 is arranged in the well body 1 through a telescopic rod, so that the limiting piece 22 and the pushing piece 21 are conveniently moved away when the valve 00 is overhauled manually, and the manual operation is facilitated; the pushing piece 21 is rotatable and annular, the pushing piece 21 is clamped on the hand wheel 01, the energy drawing mechanism 23 drives the pushing piece 21 to rotate through driving the pushing piece 21 to rotate, such as through driving the pushing piece 21 to rotate through a windmill or a waterwheel in the prior art, the rotation of the windmill is not directional, positive rotation and negative rotation are possible, so that the back and forth rotation of the pushing piece 21 is realized, the rotation of the waterwheel is directional rotation along the water flow direction, but the difference of the water flow size exists, and the back and forth rotation of the pushing piece 21 can also be realized through the arrangement of the first elastic piece 212; the rod piece 211 is located at a notch of the limiting piece 22 and limited by the limiting piece 22, the first elastic piece 212 is a first spring or an elastic rod, and after the pushing piece 21 rotates, the rod piece 211 is pushed by the first elastic piece 212 to enable the pushing piece 21 to reset, so that the pushing piece 21 swings within the limiting range of the limiting piece 22, and further small-amplitude rotation of the hand wheel 01 is achieved, and the problem that the hand wheel 01 is difficult to open or close under an emergency due to stiffness of the valve 00 caused by long-time immobility is solved.
As shown in fig. 2, the energy drawing mechanism 23 includes: a first frame 231; a first impeller 232; a first rotation shaft 233;
the upper end of the first rotating shaft 233 connected to the well body 1 through the first frame 231 is provided with a first impeller 232.
During operation, the first frame 231 is rotationally connected with the first rotating shaft 233, the first impeller 232 is mounted at the upper end of the first rotating shaft 233, and the lower end of the first rotating shaft 233 is directly connected with the pushing piece 21, so that wind blows the first impeller 232 to drive the first rotating shaft 233 to rotate, the first rotating shaft 233 directly drives the pushing piece 21 to rotate, thereby driving the hand wheel 01 to rotate, further solving the problem that the hand wheel 01 is hard to open or close under sudden conditions due to stiffness of the valve 00 caused by long-time immobility, and no manual energy supply is needed, and the environment-friendly use is realized.
As shown in fig. 4-5, the energy storage mechanism 3 for rapidly releasing the energy stored and accumulated by the energy drawing mechanism 23 to drive the pushing member 21 to act is arranged between the energy drawing mechanism 23 and the pushing member 21.
When the energy storage mechanism 23 is a wind driven generator, the wind driven generator generates electricity by wind power and stores electric energy in the battery, when the electric energy in the battery is used, the driving motor rotates to drive the pushing member 21 to rotate, thereby driving the hand wheel 01 to rotate, further solving the problem that the hand wheel 01 is hard to open or close under sudden conditions due to stiffness of the valve 00 caused by long-time immobility, and solving the problem that the hand wheel 01 cannot draw enough energy in a short time through the energy storage mechanism 3 when the energy storage mechanism 3 is used for meeting basic requirements.
As shown in fig. 7, a labor-saving mechanism 4 is arranged between the energy storage mechanism 3 and the pushing piece 21;
the labor-saving mechanism 4 comprises a force input end 411 and an output end for driving the pushing piece 21, and the energy released by the energy storage mechanism 3 rapidly is used for driving the input end 411 of the labor-saving mechanism 4;
The labor-saving mechanism 4 comprises a lever 41;
The second rotating shaft 42 is rotatably connected with the lever 41, the long end of the lever 41 is an input end 411, the short end of the lever 41 is an output end, and the output end of the lever 41 is provided with a sloping plate 43 for driving the pushing member 21 to act.
During operation, the energy storage mechanism 3 drives the input end 411 of the labor-saving mechanism 4, the output end of the labor-saving mechanism 4 drives the pushing piece 21 to rotate, the pushing piece 21 rotates to drive the hand wheel 01 to rotate, so that the problem that the hand wheel 01 is hard to open or close under an emergency due to stiffness of the valve 00 caused by long-time immobility is solved, the hand wheel 01 is driven to rotate by small force through the labor-saving mechanism 4, the hand wheel 01 can be indirectly driven to rotate when the energy drawing mechanism 23 draws less energy, and the problem that the energy drawing mechanism 23 cannot acquire more energy at one time and cannot drive the hand wheel 01 to rotate is avoided, such as that wind power cannot drive the hand wheel 01 when the wind power is small, but the hand wheel 01 can be driven to rotate through the labor-saving effect of the labor-saving mechanism 4.
Specifically, the wind blows the first impeller 232 to rotate, the first impeller 232 drives the first rotating shaft 233 to rotate, the lower end of the first rotating shaft 233 is connected with the protruding block 234, the first rotating shaft 233 rotates to drive the protruding block 234 to rotate, the protruding block 234 rotates to squeeze the input end 411 of the lever 41 to enable the input end 411 of the lever 41 to tilt downwards, the output end of the lever 41 is further enabled to tilt upwards, the inclined plate 43 of the input end 411 of the lever 41 pushes the rod 211 of the pushing piece 21, the pushing piece 21 rotates, and the pushing piece 21 rotates to drive the hand wheel 01 to rotate, so that the purpose of loosening the valve 00 under the condition that the current closing or opening state of the valve 00 is not changed is achieved.
As shown in fig. 8 to 9, the energy stocking mechanism 3 includes: the inner and outer rings are provided with toothed belts 31; a guide plate 32;
The two guide plates 32 are arranged, the two guide plates 32 are respectively positioned on two sides of the belt 31 without teeth and are vertically arranged at the bottom of the well body 1, and one side of the two guide plates 32 opposite to each other is provided with a flat annular guide rail 321;
A first gear 37 engaged with an inner circumference of the belt 31 and driving the belt 31 to rotate;
the diamond-shaped blocks 33 are meshed with the outer ring of the belt 31, and two sides of each diamond-shaped block 33 are connected to the annular guide rail 321 in a sliding manner through guide rods 331;
A first inclined block 34 and a second inclined block 35, the first inclined block 34 and the second inclined block 35 respectively arranged at the upper and lower ends of the annular guide rail 321 are vertically connected with the guide plate 32;
And the weight 36 is connected with the lower end of the diamond-shaped block 33 through a pull rope by the weight 36.
When the device works, wind blows the first impeller 232 to rotate the first rotating shaft 233, the first rotating shaft 233 drives the first gear 37 to rotate through the gear set 38, the first gear 37 drives the belt 31 to rotate, when one side of the rotating belt 31 close to the diamond 33 rotates upwards, teeth on the belt 31 are meshed with teeth on the diamond 33, so as to drive the diamond 33 to move upwards, the upper end face of the diamond 33 is parallel to the lower end face of the first inclined block 34, the lower end face of the diamond 33 is parallel to the upper end face of the second inclined block 35, the diamond 33 moves upwards under the driving of the belt 31, the guide rod 331 on the diamond 33 slides along the annular guide rail 321, when the upper end face of the diamond 33 contacts with the lower end face of the first inclined block 34, the guide rod 331 on the diamond 33 slides along the annular guide rail 321 and is about to slide to the upper end of the annular guide rail 321, when the first inclined block 34 is guided to separate from the belt 31 in the process of moving up the diamond block 33, the weight 36 is pulled by the diamond block 33 through a pull rope to rise to finish accumulation of potential energy, and when the guide rod 331 slides over the top end of the annular guide rail 321, the guide rod 331 is just about to fall down from the other side of the annular guide rail 321, and at the moment, the diamond block 33 is separated from the belt 31, so that the guide rod 331 can slide smoothly along the annular guide rail 321, the weight 36 also smoothly falls, the gravity of the weight 36 and the inertia force of the falling weight 36 impact the input end 411 of the lever 41, so that the output end of the lever 41 suddenly rises to push the inclined plate 43 to push the rod 211, so that the pushing piece 21 rotates, and the pushing piece 21 rotates to drive the hand wheel 01 to rotate, thereby achieving the purpose of loosening the valve 00 under the condition that the current closing or opening state of the valve 00 is not changed; when the diamond 33 falls down to the second inclined block 35, under the action of gravity of the diamond 33, the diamond 33 slides along the inclined plane of the second inclined block 35, the guide rod 331 slides along the annular guide rail 321, the second inclined block 35 guides the diamond 33 to be close to and contact with the belt 31, and when the diamond 33 is close to the belt 31 and continuously meshed with the belt 31, the diamond 33 can be always meshed with the belt 31 in the rising process due to the limitation of the annular guide rail 321, and the belt 31 drives the diamond 33 to rise and circulate to perform actions.
Example two
As shown in fig. 4 to 9, wherein the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals as in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that: an explosion-proof device 5 for preventing the hand wheel 01 from being loosened frequently is arranged at the lever 41, and the explosion-proof device 5 comprises an inflator 51;
the first cylinder 52 provided with the first air bar 521 in an internal matching manner; an engaging piece 53;
The inflator 51 which receives the depression of the input end 411 of the lever 41 and performs the inflation operation is one-way ventilated with the first cylinder 52 facing the lever 41 through the air pipe; the first air lever 521 for the engagement lever 41 is connected to the engagement piece 53; the first cylinder 52 is provided with a leakage hole 54.
When in operation, the conveying end of the lever 41 is pressed down, the input end 411 of the lever 41 pressed down presses the inflator 51, the inflator 51 inflates the first cylinder 52 through the inflation tube provided with the one-way valve, so that the first air rod 521 in the first cylinder 52 stretches out to clamp the lever 41, the lever 41 cannot be operated, the air leakage hole 54 on the first cylinder 52 slowly leaks air, the air leakage hole 54 is sized, the air leakage hole 54 can be used for discharging excessive air in the first cylinder 52 within a few days, for example, three days, the air leakage hole 54 can be used for discharging excessive air in the first cylinder 52, the clamping piece 53 can be separated from the lever 41, the first impeller 232 frequently blown by outside rotates to rotate the first rotating shaft 233, the weight 36 or the bump 234 frequently pushes the input end 411 of the lever 41 to make the output end of the lever 41 frequently upwarp, so that the hand wheel 01 rotates too frequently in a small amplitude, for example, the hand wheel 01 continuously swings in a small amplitude for more than ten days or one month, the hand wheel 01 swings in a small amplitude too frequently, so that the loss of a sealing element in the valve 00 is larger and is unfavorable for sealing the valve 00, the service life of the valve 00 is influenced, the first air rod 521 drives the clamping element 53 to clamp the lever 41, and therefore after the air leakage hole 54 discharges excessive air in the first air cylinder 52, the first air rod 521 retreats to enable the clamping element 53 to separate from the lever 41, so that the lever 41 can continue to work, and the swing amplitude of the hand wheel 01 can be reduced or the rotation swing frequency of the hand wheel 01 can be reduced, thereby realizing the protection of the valve 00 and prolonging the service life of the valve 00.
As shown in fig. 6, a unidirectional rotation unit 6 is disposed between the first frame 231 and the first rotation shaft 233, and the unidirectional rotation unit 6 includes:
the shaft sleeve 61, the outer wall of the shaft sleeve 61 sleeved on the first rotating shaft 233 is connected with the first frame 231, and the upper end surface of the shaft sleeve 61 is annularly provided with a first barb;
The chuck 62 is sleeved on the first rotating shaft 233, and the lower end surface of the chuck 62 is provided with a second barb matched with the first barb on the shaft sleeve 61;
A pin 63, the pin 63 for restricting the rotation of the chuck 62 relative to the first rotation shaft 233 is disposed in parallel on the axial surface of the first rotation shaft 233.
When the rotary chuck works, the first rotating shaft 233 drives the chuck 62 to rotate through the bolt 63, and as the first barbs on the chuck 62 and the second barbs on the shaft sleeve 61 exist, the chuck 62 can only rotate towards one direction, when the first rotating shaft 233 rotates, the chuck 62 can slide up and down on the first rotating shaft 233 along the bolt 63, and the chuck 62 cannot limit the rotation of the first rotating shaft 233, so that the first rotating shaft 233 can smoothly rotate towards the one rotating direction; when the chuck 62 is driven by the first rotating shaft 233 to rotate in opposite directions, the first barbs and the second barbs are engaged to prevent the first rotating shaft 233 from rotating, so that the first rotating shaft 233 can only rotate in one direction, on one hand, the frequency of the first rotating shaft 233 indirectly driving the hand wheel 01 to rotate is reduced, and on the other hand, the problem that the belt 31 is rotated in a forward and reverse direction, so that the weight 36 cannot smoothly fall down and cannot smoothly drive the hand wheel 01 to rotate is prevented.
As shown in fig. 4, an upper cover 11 is disposed at the upper end of the well body 1, a ventilation assembly 7 is disposed at the upper cover 11, and the ventilation assembly 7 includes:
A breather pipe 71, wherein one end of the breather pipe 71 in which a drying agent is arranged is positioned outside the well body 1, the other end of the breather pipe is penetrated into the well body 1, one end of the breather pipe 71 penetrated into the well body 1 is coaxially arranged with the first rotating shaft 233, and a pipe orifice at one end of the breather pipe 71 positioned outside the well body 1 is downward;
a cone cover 72, wherein the cone cover 72 for shielding rain is arranged on the upper part of the first rotating shaft 233 at the joint of the vent pipe 71 and the first rotating shaft 233;
The second impeller 73, the second impeller 73 for exhausting air is disposed at the upper portion of the first rotating shaft 233 where the ventilating pipe 71 is connected to the first rotating shaft 233.
When the device is in operation, the upper end of the well body 1 is covered with the upper cover 11, one part of the upper cover 11 and the vent pipe 71 are fixed into a whole to realize better sealing, rainwater is prevented from entering the well body 1, the pipe orifice at one end of the vent pipe 71 positioned outside the well body 1 faces downwards, the rainwater is prevented from entering the well body 1 through the vent pipe 71, and the conical cover 72 is arranged at the joint of the vent pipe 71 and the first rotating shaft 233, so that the rainwater can be prevented from flowing into the well body 1 from a gap at the joint of the vent pipe 71 and the first rotating shaft 233; the first rotating shaft 233 rotates to drive the second impeller 73 to rotate, the second impeller 73 is located in the vent pipe 71, the second impeller 73 rotates to achieve air suction to the vent pipe 71, when outside air passes through the vent pipe 71, the air passes through a drying agent to be dried, the dry air is introduced into the well body 1 through the vent pipe 71, and then the scheme that the outside air is dried and then conveyed into the well body 1 by using energy in the environment is achieved, so that the drying of the environment in the well body 1 is achieved, and the problem that the valve 00 is difficult to open or close due to rust stiffness of the valve because of air wetting in the well body 1 is avoided or reduced.
Working procedure
The first impeller 232 is blown by wind force to drive the first rotating shaft 233 to rotate, the first rotating shaft 233 can only rotate in one direction due to the limitation of the unidirectional rotation unit 6, the unidirectional rotation first rotating shaft 233 drives the belt 31 to rotate through the gear set 38, the belt 31 drives the diamond 33 to move upwards so as to enable the weight 36 to lift up to store gravitational potential energy, when the belt 31 is separated from the diamond 33, the weight 36 freely falls and impacts the input end 411 of the lever 41 to enable the output end of the lever 41 to lift up quickly, the inclined plate 43 at the output end of the lever 41 presses the rod 211 to drive the pushing piece 21 to rotate, the rotating pushing piece 21 drives the hand wheel 01 to rotate, the conveying end of the lever 41 is pressed downwards, the input end 411 of the pressed lever 41 presses the inflator 51 to enable the inflator 51 to perform the inflating action, the inflator 51 inflates the first cylinder 52 through the inflation tube provided with the one-way valve, so that the first air rod 521 in the first cylinder 52 stretches out to enable the clamping piece 53 to clamp the lever 41, the lever 41 cannot act, the air leakage hole 54 on the first cylinder 52 leaks air slowly, the air leakage hole 54 is arranged to enable the air leakage hole 54 to discharge the redundant air in the first cylinder 52 within a few days, the clamping piece 53 can be separated from the lever 41 after the air leakage hole 54 discharges the redundant air in the first cylinder 52, and accordingly the lever 41 can work continuously, the swing amplitude of the hand wheel 01 can be reduced or the rotation swing times of the hand wheel 01 can be reduced, the protection of the valve 00 is achieved, and the service life of the valve 00 is prolonged.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A directly buried underground valve well, comprising:
the well body (1), the valve (00) opened or closed by the hand wheel (01) is arranged in the well body (1);
The driving mechanism (2) is used for driving the hand wheel (01) to rotate so as to loosen the hand wheel (01) in a rotating way and keep the valve (00) still in a current normally-open or normally-closed state, and the driving mechanism (2) is arranged on the well body (1);
The drive mechanism (2) includes:
The pushing piece (21) is used for driving the hand wheel (01) to rotate so that the pushing piece (21) which is loosened by rotating the hand wheel (01) is connected with the hand wheel (01);
the limiting piece (22) is used for limiting the pushing piece (21) so that the valve (00) is still in the current normally open or normally closed state, and the limiting piece (22) is arranged beside the pushing piece (21);
The energy drawing mechanism (23) is used for drawing wind energy in nature, and the energy drawing mechanism (23) is directly or indirectly connected with the pushing piece (21);
The driving mechanism (2) is driven by wind energy;
The energy extraction mechanism (23) comprises:
a first frame (231);
a first impeller (232);
A first rotating shaft (233);
the upper end of the first rotating shaft (233) connected with the well body (1) through the first frame (231) is provided with a first impeller (232);
a unidirectional rotation unit (6) is arranged between the first frame (231) and the first rotating shaft (233), and the unidirectional rotation unit (6) comprises:
The shaft sleeve (61) is sleeved on the first rotating shaft (233), the outer wall of the shaft sleeve (61) is connected with the first rack (231), and a first barb is annularly arranged on the upper end face of the shaft sleeve (61);
the chuck (62) is sleeved on the first rotating shaft (233), and the lower end surface of the chuck (62) is provided with a second barb matched with the first barb on the shaft sleeve (61);
A pin (63), wherein the pin (63) for restricting the rotation of the chuck (62) relative to the first rotating shaft (233) is arranged in parallel on the shaft surface of the first rotating shaft (233);
the pushing piece (21) is annular or circular, the pushing piece (21) is clamped on the hand wheel (01), and a rod piece (211) is connected to the side wall of the pushing piece (21);
the limiting piece (22) is ring-shaped and notched and is sleeved outside the ring-shaped pushing piece (21), and the limiting piece (22) is fixed in the well body (1);
the rod piece (211) is positioned at a notch of the annular limiting piece (22).
2. A buried underground valve well according to claim 1, characterized in that an energy storage mechanism (3) for rapidly releasing the energy drawn by the energy drawing mechanism (23) after storage and accumulation to drive the pushing member (21) to act is arranged between the energy drawing mechanism (23) and the pushing member (21);
The energy storage mechanism (3) comprises:
The inner ring and the outer ring are provided with toothed belts (31);
A guide plate (32);
the two guide plates (32) are arranged, the two guide plates (32) are respectively positioned on two sides of the belt (31) without teeth and are vertically arranged at the bottom of the well body (1), and flat annular guide rails (321) are arranged on one opposite sides of the two guide plates (32);
A first gear (37) engaged with an inner ring of the belt (31) and driving the belt (31) to rotate;
the diamond-shaped blocks (33) are meshed with the outer ring of the belt (31), and two sides of each diamond-shaped block (33) are connected to the annular guide rail (321) in a sliding manner through guide rods (331);
The first inclined block (34) and the second inclined block (35) are respectively arranged at the upper end and the lower end of the annular guide rail (321), and the first inclined block (34) and the second inclined block (35) are vertically connected with the guide plate (32);
The weight (36) is connected with the lower end of the diamond-shaped block (33) through a pull rope.
3. A buried underground valve well according to claim 2, characterized in that a labor saving mechanism (4) is arranged between the energy storing mechanism (3) and the pushing member (21);
The labor-saving mechanism (4) comprises a force input end (411) and an output end for driving the pushing piece (21), and the energy released by the energy storage mechanism (3) rapidly is used for driving the input end (411) of the labor-saving mechanism (4);
the labor-saving mechanism (4) comprises:
A lever (41);
The second rotating shaft (42) is rotationally connected with the lever (41), the long end of the lever (41) is an input end (411), the short end of the lever (41) is an output end, and the output end of the lever (41) is provided with a sloping plate (43) for driving the pushing piece (21) to act.
4. A buried underground valve well according to claim 3, characterized in that the lever (41) is provided with an explosion protection means (5) for preventing frequent loosening of the hand wheel (01), the explosion protection means (5) comprising:
an inflator (51);
A first cylinder (52) provided with a first air rod (521) in a matched manner;
An engagement piece (53);
An inflator (51) which receives the downward pressure of the input end (411) of the lever (41) and performs the inflation operation is one-way ventilated with a first cylinder (52) facing the lever (41) through an air pipe; the first air rod (521) for the clamping lever (41) is connected with the clamping piece (53); a leakage hole (54) is formed in the first cylinder (52).
5. A buried underground valve well according to claim 4, characterized in that the upper end of the well body (1) is provided with an upper cover (11), the upper cover (11) is provided with a ventilation assembly (7), the ventilation assembly (7) comprises:
one end of the vent pipe (71) in which the drying agent is arranged is positioned outside the well body (1) while the other end of the vent pipe (71) stretches into the well body (1), one end of the vent pipe (71) stretching into the well body (1) is coaxially arranged with the first rotating shaft (233), and a pipe orifice at one end of the vent pipe (71) positioned outside the well body (1) faces downwards;
a cone cover (72), wherein the cone cover (72) for shielding rain is arranged at the upper part of the first rotating shaft (233) at the joint of the vent pipe (71) and the first rotating shaft (233);
The second impeller (73) is used for exhausting, and the second impeller (73) is arranged at the upper part of the first rotating shaft (233) at the joint of the ventilating pipe (71) and the first rotating shaft (233).
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