CN114837726B - Sliding wellhead protection system with ventilation function - Google Patents
Sliding wellhead protection system with ventilation functionInfo
- Publication number
- CN114837726B CN114837726B CN202210411331.9A CN202210411331A CN114837726B CN 114837726 B CN114837726 B CN 114837726B CN 202210411331 A CN202210411331 A CN 202210411331A CN 114837726 B CN114837726 B CN 114837726B
- Authority
- CN
- China
- Prior art keywords
- protection cover
- ventilation
- protection
- fan
- base
- 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.)
- Active
Links
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/16—Shaft covers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/14—Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
- E21F5/146—Rock dusters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
The invention provides a sliding wellhead protection system with a ventilation function, which comprises a protection cover and a base, wherein the protection cover comprises a protection cover top ring and a protection cover bottom ring, an exhaust unit is arranged in the protection cover top ring, the upper end of a protection cover support column is connected with the protection cover top ring, the lower end of the protection cover support column is connected with the protection cover bottom ring, the protection cover support columns are connected by a protection cover connecting rod, the front end and the rear end of the protection cover bottom ring are respectively fixed with a protection cover wheel set, the base comprises a base top ring embedded on the ground outside a vertical shaft inlet and a base bottom ring arranged in a well and having an outer diameter corresponding to the inner diameter of the vertical shaft, a jet fan unit for generating rotary air flow is further arranged on the lower side of the protection cover, and the jet fan inlet is connected with an air inlet penetrating through the protection cover through a flexible air pipe. The invention fixes the protective cover by arranging the buckles, blocks flying stones generated during blasting construction by arranging the protective net, can quickly discharge dust by arranging the jet fan unit and the exhaust fan, and quickens construction progress.
Description
Technical Field
The invention relates to the technical field of shaft construction, in particular to a sliding wellhead protection system with a ventilation function.
Background
Along with the growth and development of the China highway tunnel, a vertical shaft is built in the tunnel to send and discharge air or to intensively send and discharge air, so that the pollutant concentration after long-distance ventilation can be effectively reduced, and the sectional ventilation of the vertical shaft becomes the choice of more and more long highway tunnels. In the construction of the vertical shaft, in order to prevent accidents such as personnel falling, falling of sundries such as stone slag and the like into the well, injury to the personnel, equipment damage and the like, the well cover is required to be partially or completely sealed, and the common practice is to cover the well by using a reinforcing mesh. The well lid is used as well head protector's fixed mode is not firm, because construction disturbance takes place to remove easily, in addition the shaft digs and builds and adopts the blasting method excavation often, and the blasting impact air current is great when the working face is nearer apart from the well head, opens the sealing disk when blasting in order to avoid the sealing disk damage, controls the flystone distance through the shock attenuation blasting, still has the risk that the people is injured with damaging equipment to blasting flystone, in addition, can produce a large amount of dust and poisonous and harmful gas in the well when the working face blasting, and ventilation unit is absent to prior art, needs independent purchase ventilation unit.
For example, china patent application No. CN202120801743.4 discloses a wellhead protective guard, which comprises a protective cover and a plurality of positioning units, wherein the protective cover is used for being covered on a wellhead, the positioning units are uniformly distributed around the axis of the wellhead and comprise a connecting component, a pressing piece and a driving component, the connecting component is connected with the protective cover and provided with a movable block capable of lifting, the pressing piece is positioned in the protective cover and capable of moving in the horizontal direction, the driving component is arranged on the movable block and connected with the pressing piece and used for driving the pressing piece to move in the horizontal direction, lifting of the movable block can enable the pressing piece to enter or exit the wellhead, and when the pressing piece is positioned in the wellhead, the horizontal movement of the pressing piece can enable the pressing piece to press the inner wall of the wellhead.
The prior art still has the following technical problems that the protective cover is not fixed firmly and is easy to move in vibration, flying stones generated during blasting construction cannot be blocked, workers are easy to be injured, a ventilation device is lacked, dust waiting for natural dissipation is long, and the construction progress is affected.
Disclosure of Invention
In order to solve the problems, the invention provides a sliding wellhead protection system with a ventilation function.
The sliding wellhead protection system with the ventilation function comprises a protection cover and a base, wherein the protection cover comprises a protection cover top ring and a protection cover bottom ring, the size of the protection cover bottom ring corresponds to the size of a shaft inlet, an exhaust unit for generating ascending air flow is arranged in the protection cover top ring, a plurality of protection cover support columns are uniformly arranged between the protection cover top ring and the protection cover bottom ring, the upper ends of the protection cover support columns are connected with the protection cover top ring, the lower ends of the protection cover support columns are connected with the protection cover bottom ring, protection cover support columns are connected by protection cover connecting rods, protection cover wheel sets are respectively fixed at the front ends and the rear ends of the protection cover bottom rings, the base comprises a base top ring embedded in the ground outside the shaft inlet and a base bottom ring which is arranged in a well and has the outer diameter corresponding to the inner diameter of the shaft, and a plurality of base connecting columns which are vertically arranged are connected between the base top ring and the base bottom ring and are paved on the ground and fixedly connected with the upper surface of the base top ring;
The jet fan unit that is used for producing rotatory air current still sets up in the protection casing downside, and jet fan unit includes that both ends all suspend in the jet fan base of protection casing downside through the hoist cable, and the one end of jet fan base is connected to the hoist cable lower extreme, and the hoist cable upper end passes through the pulley and is connected with the hoist engine that sets up on the protection casing, and first jet fan and second jet fan are parallel and reverse to be set up in the left end and the right-hand member at jet fan base top, and first jet fan entry and second jet fan entry are connected through flexible tuber pipe and the air inlet that runs through in the protection casing.
Further, the exhaust unit comprises an exhaust unit top plate, an exhaust hole arranged on the exhaust unit top plate, an exhaust unit top protection net arranged in the exhaust hole, an exhaust unit lifting handle fixed at the right end of the exhaust unit top plate and used for rotatably connecting the protection cover and the exhaust unit, an exhaust fan connected to the bottom of the exhaust unit top plate, and an exhaust fan protection cover fixed at the bottom of the exhaust fan, wherein the exhaust fan protection cover comprises an exhaust fan protection cover flange connected to the bottom of the exhaust fan, an exhaust fan protection cover central plate fixed at the middle part of the exhaust fan protection cover flange through a plurality of exhaust fan protection cover connecting rods, and the exhaust fan protection net is arranged at the top of the exhaust fan protection cover connecting rods.
Further, the flexible air pipe is in sliding connection with the sling through a plurality of hanging rings arranged on one side of the flexible air pipe.
Further, the flexible air pipe is a canvas flexible connection air pipe.
Further, the air quantity of the first jet fan is 0.15-0.3 times of the air quantity of the exhaust fan.
Further, the air quantity of the second jet fan is 0.15-0.3 times of the air quantity of the exhaust fan.
Further, a plurality of buckle holes for fixing the protective cover are formed in the base track.
Further, the outside of the protective cover wheelset is provided with a buckle for being matched with the buckle hole.
Further, the bottom of the protective cover is provided with a spray head for dust removal.
The sliding wellhead protection system with the ventilation function has the advantages that the protection cover is fixed through the arrangement of the buckles, flying stones generated during blasting construction are blocked through the arrangement of the protection net, dust can be rapidly discharged through the arrangement of the jet fan unit and the exhaust fan, and the construction progress is accelerated.
Drawings
FIG. 1 is a schematic cross-sectional view of a sliding wellhead protection system with ventilation according to the present invention;
fig. 2 is a schematic perspective view of the exhaust unit 4 in fig. 1;
Fig. 3 is a schematic perspective view of the exhaust hood 4.7 in fig. 2.
In the figure, the mark is 1-protection cover, 1.1-protection cover bottom ring, 1.2-protection cover supporting column, 1.3-protection cover top ring, 1.4-protection cover connecting rod, 1.5-protection cover wheel set, 2-base, 2.1-base top ring, 2.2-base bottom ring, 2.3-base connecting column, 2.4-base track, 2.5-buckle hole, 3-jet fan unit, 3.1-jet fan base, 3.2-first jet fan, 3.3-second jet fan, 3.4-flexible air pipe, 3.5-sling, 3.6-windlass, 3.7-pulley, 4-exhaust unit, 4.1-exhaust unit top plate, 4.2-exhaust hole, 4.3-exhaust unit hinge, 4.4-exhaust unit lifting handle, 4.5-exhaust fan, 4.6-exhaust unit top air-protection cover, 4.7-exhaust fan flange, 4.71-exhaust fan protection cover, 4.72-fan protection cover, 4.73-protection cover, 4.74-shaft, 4.74-exhaust fan and exhaust net.
Detailed Description
The following description is made in detail and completeness of the embodiment of the sliding wellhead protection system with ventilation function according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, the sliding wellhead protection system with ventilation function comprises a protection cover 1 and a base 2, wherein the protection cover 1 comprises a protection cover top ring 1.3 and a protection cover bottom ring 1.1 with the size corresponding to the size of an inlet of a vertical shaft 5, an exhaust unit 4 for generating ascending air flow is arranged in the protection cover top ring 1.3, a plurality of protection cover support columns 1.2 are uniformly arranged between the protection cover top ring 1.3 and the protection cover bottom ring 1.1, the upper ends of the protection cover support columns 1.2 are connected with the protection cover top ring 1.3, the lower ends of the protection cover support columns 1.1 are connected with the protection cover bottom ring 1.1, the protection cover support columns 1.2 are connected by protection cover connecting rods 1.4, protection cover support columns 1.2 are coated with protection nets (not shown in the drawing), and the front end and the rear end of the protection cover bottom ring 1.1 are respectively fixed with a protection cover wheel set 1.5;
The jet fan unit 3 for producing the rotatory air current still sets up in protection casing 1 downside, jet fan unit 3 includes that both ends all hang in the jet fan base 3.1 of protection casing 1 downside through hoist cable 3.5, the one end of jet fan base 3.1 is connected to hoist cable 3.5 lower extreme, hoist cable 3.5 upper end is connected with hoist engine 3.6 that sets up on protection casing 1 through pulley 3.7, first jet fan 3.2 and second jet fan 3.3 parallel and reverse the left end and the right-hand member that set up in jet fan base 3.1 top, first jet fan 3.2 entry and second jet fan 3.3 entry are connected through flexible tuber pipe 3.4 and run through in the air inlet (not shown in the figure) of protection casing 1.
Further, as shown in fig. 2 and 3, the exhaust unit 4 includes an exhaust unit top plate 4.1, an exhaust hole 4.2 disposed on the exhaust unit top plate 4.1, an exhaust unit top protection net 4.6 disposed in the exhaust hole 4.2, an exhaust unit hinge 4.3 for rotatably connecting the protection cover 1 and the exhaust unit 4 fixed on the left end of the top of the exhaust unit top plate 4.1, an exhaust unit lifting handle 4.4 fixed on the right end of the top of the exhaust unit top plate 4.1, an exhaust fan 4.5 connected to the bottom of the exhaust unit top plate 4.1, and an exhaust fan protection cover 4.7 fixed on the bottom of the exhaust fan 4.5, wherein the exhaust fan protection cover 4.7 includes an exhaust fan protection cover flange 4.71 connected to the bottom of the exhaust fan 4.5, an exhaust fan protection cover central plate 4.72 fixed on the middle of the exhaust fan protection cover flange 4.71 via a plurality of exhaust fan protection cover connecting rods 4.73, and the exhaust fan protection net 4.74 disposed on the top of the exhaust fan protection cover connecting rods 4.73.
Further, the flexible air duct 3.4 is slidably connected to the sling 3.5 through a plurality of hanging rings (not shown) arranged on one side of the flexible air duct 3.4.
Further, the flexible air pipe 3.4 is a canvas flexible connection air pipe.
Further, the air quantity of the first jet fan 3.2 is 0.15-0.3 times of the air quantity of the exhaust fan 4.5.
Further, the air quantity of the second jet fan 3.3 is 0.15-0.3 times of the air quantity of the exhaust fan 4.5.
Further, a plurality of fastening holes 2.5 for fixing the protection cover 1 are arranged on the base rail 2.4.
Further, a buckle (not shown in the figure) for matching with the buckle hole 2.5 is arranged on the outer side of the protective cover wheelset 1.5.
Further, a spray head (not shown) for dust removal is arranged at the bottom of the protective cover 1.
The following is a brief description of the method for using the sliding wellhead protection system with ventilation function according to the present invention in combination with the accompanying drawings:
Before blasting excavation, the protective cover 1 is pushed to the upper part of the vertical shaft 5 through the protective cover wheel set 1.5 and the base track 2.4, and the protective cover 1 and the base track 2.4 are connected together through a buckle and a buckle hole 2.5 arranged on the outer side of the protective cover wheel set 1.5.
After blasting excavation, the jet fan unit 3 is placed at the bottom of the vertical shaft 5 through the sling 3.5 and the winch 3.6, the first jet fan 3.2, the second jet fan 3.3 and the exhaust fan 4.5 are started, the first jet fan 3.2 and the second jet fan 3.3 generate rotary airflow, the exhaust fan 4.5 generates ascending airflow, artificial tornados are formed under the combined action of the rotary airflow and the ascending airflow, and dust in the vertical shaft 5 is rapidly exhausted.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the above embodiments, or equivalents may be substituted for some of the technical features thereof, and any modifications, equivalents, improvements or modifications may be made without departing from the spirit and principle of the present invention, and are intended to be included in the scope of the present invention.
Claims (9)
1. A sliding wellhead protection system with a ventilation function is characterized by comprising a protection cover (1) and a base (2), wherein the protection cover (1) comprises a protection cover top ring (1.3) and a protection cover bottom ring (1.1) with the size corresponding to the size of an inlet of a vertical shaft (5), an exhaust unit (4) is arranged in the protection cover top ring (1.3), a plurality of protection cover support columns (1.2) are uniformly arranged between the protection cover top ring (1.3) and the protection cover bottom ring (1.1), the upper ends of the protection cover support columns (1.2) are connected with the protection cover top ring (1.3), the lower ends of the protection cover support columns (1.2) are connected with the protection cover bottom ring (1.1) through protection cover connecting rods (1.4), protection cover grids are coated outside the protection cover support columns (1.2), the front ends and the rear ends of the protection cover bottom rings (1.1) are respectively fixed with a protection cover wheel set (1.5), the base top ring (2.1) inlaid on the outer ground of the vertical shaft (5) and the base (2.2) arranged in the vertical shaft and the corresponding base (2.2.2) with the inner diameter of the vertical shaft (5), the jet fan unit (3) is arranged on the lower side of the protective cover (1), the jet fan unit (3) comprises a jet fan base (3.1) with two ends hanging on the lower side through slings (3.5), the lower end of each sling (3.5) is connected with one end of the corresponding jet fan base (3.1), the upper end of each sling (3.5) is connected with a winch (3.6) arranged on the protective cover (1) through pulleys (3.7), the first jet fan (3.2) and the second jet fan (3.3) are parallel and are reversely arranged at the left end and the right end of the top of the corresponding jet fan base (3.1), and an inlet of the first jet fan (3.2) and an inlet of the second jet fan (3.3) are connected with an air inlet penetrating through the protective cover (1) through flexible air pipes (3.4).
2. The sliding wellhead protection system with the ventilation function according to claim 1, wherein the ventilation unit (4) comprises a ventilation unit top plate (4.1), ventilation holes (4.2) formed in the ventilation unit top plate (4.1), ventilation unit top protection nets (4.6) are arranged in the ventilation holes (4.2), ventilation unit hinges (4.3) are fixed at the left end of the ventilation unit top plate (4.1), ventilation unit lifting handles (4.4) fixed at the right end of the ventilation unit top plate (4.1), ventilation fans (4.5) connected to the bottom of the ventilation unit top plate (4.1), ventilation fan protection covers (4.7) fixed to the bottom of the ventilation fans (4.5), the ventilation fan protection covers (4.7) comprise ventilation fan protection cover flanges (4.71) connected to the bottom of the ventilation fans (4.5), ventilation fan protection cover protection covers (4.72) fixed to the middle parts of the ventilation fan protection cover flanges (4.71) through a plurality of ventilation fan protection cover connecting rods (4.73), and ventilation fan protection cover top protection covers (4.73) are arranged on the ventilation fan protection net (4.74).
3. The sliding wellhead protection system with ventilation function according to claim 1, characterized in that the flexible air duct (3.4) is slidingly connected with the sling (3.5) through a plurality of hanging rings arranged on one side of the flexible air duct (3.4).
4. The sliding wellhead protection system with ventilation function according to claim 1, characterized in that the flexible air duct (3.4) is a canvas hose.
5. The sliding wellhead protection system with ventilation function according to claim 1, wherein the air volume of the first jet fan (3.2) is 0.15-0.3 times that of the exhaust fan (4.5).
6. The sliding wellhead protection system with ventilation function according to claim 1, wherein the air volume of the second jet fan (3.3) is 0.15-0.3 times that of the exhaust fan (4.5).
7. The sliding wellhead protection system with ventilation function according to claim 1, characterized in that a plurality of snap holes (2.5) are provided on the base track (2.4).
8. The sliding wellhead protection system with ventilation function according to claim 7, characterized in that a buckle is arranged outside the protective cover wheelset (1.5).
9. The sliding wellhead protection system with ventilation function according to claim 1, characterized in that the bottom of the protective cover (1) is provided with a spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411331.9A CN114837726B (en) | 2022-04-19 | 2022-04-19 | Sliding wellhead protection system with ventilation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411331.9A CN114837726B (en) | 2022-04-19 | 2022-04-19 | Sliding wellhead protection system with ventilation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114837726A CN114837726A (en) | 2022-08-02 |
| CN114837726B true CN114837726B (en) | 2025-11-21 |
Family
ID=82566528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210411331.9A Active CN114837726B (en) | 2022-04-19 | 2022-04-19 | Sliding wellhead protection system with ventilation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114837726B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217518691U (en) * | 2022-04-19 | 2022-09-30 | 中铁隧道集团二处有限公司 | Sliding type wellhead protection system with ventilation function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8091296B2 (en) * | 2010-02-01 | 2012-01-10 | Toyota Motor Engineering & Manufacturing North America (Tema) | Storm collar apparatus and method of installation |
| CN103016043B (en) * | 2012-12-14 | 2014-12-10 | 中铁十七局集团第三工程有限公司 | Inflatable smoke exhaust and dust removal isolating hood for tunnel shaft construction |
| CN106121707B (en) * | 2016-08-19 | 2019-04-19 | 中铁第六勘察设计院集团有限公司 | Underwater two-tube municipal administration and highway are grown up the ventilating system and method for ventilation of shield tunnel |
| CN113309537B (en) * | 2021-06-30 | 2022-08-23 | 济南市市政工程设计研究院（集团）有限责任公司 | Integrated tunnel pilot tunnel and method for realizing forward slag-discharging, ventilating, escaping and exploring |
-
2022
- 2022-04-19 CN CN202210411331.9A patent/CN114837726B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217518691U (en) * | 2022-04-19 | 2022-09-30 | 中铁隧道集团二处有限公司 | Sliding type wellhead protection system with ventilation function |
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| Publication number | Publication date |
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| CN114837726A (en) | 2022-08-02 |
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