CN209723047U - A kind of internally-arranged type Antiexplosive manhole cover - Google Patents
A kind of internally-arranged type Antiexplosive manhole cover Download PDFInfo
- Publication number
- CN209723047U CN209723047U CN201920277663.6U CN201920277663U CN209723047U CN 209723047 U CN209723047 U CN 209723047U CN 201920277663 U CN201920277663 U CN 201920277663U CN 209723047 U CN209723047 U CN 209723047U
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- Prior art keywords
- drag
- line
- lid
- interconnection
- pulling plate
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Abstract
The utility model belongs to mine ventilation engineering device technique field, and in particular to a kind of internally-arranged type Antiexplosive manhole cover.The lid of the utility model is located at well head, lid top edge is provided with drag-line by lug, underground is protruded into through drag-line channel after drag-line radiated entend, drag-line be pierced by drag-line channel enter it is affixed with pulling plate again in the interconnection being arranged on the borehole wall, by connecting between the first elastic mechanism and interconnection closed end end face, plate face of the pulling plate close to transverse channel openings end passes through to be connected pulling plate between the second elastic mechanism and sealing plate.When generation explosion time, lid stands in the breach by jack-up and rapid pressure release, drag-line is tightened up at the same time, first elastic mechanism is that pulling plate applies pulling force, second elastic mechanism applies thrust under the action of sealing plate for pulling plate, because the ingenious energy that explosion itself is utilized resists damaging impact power, so that lid quickly and accurately resets under the action of huge resultant force.
Description
Technical field
The utility model belongs to mine ventilation engineering device technique field, and in particular to a kind of internally-arranged type Antiexplosive manhole cover.
Background technique
Present coal mine return air vertical generally uses hat type Explosion-proof cap, and structure is by round closed cap, counter-balanced carriage, clump weight etc.
Mechanism composition, generally a rounded cap being buckled on vertical shaft head.When underground occur gas explosion accident when, Explosion-proof cap can and
When release explosion shock wave energy；When back lass, Antiexplosive manhole cover can be fixed in time, carry out back lass.
But existing Antiexplosive manhole cover is after explosion occurs, and is all to rely on external counterweight, mechanical structure etc. huge to resist
Impact force, be easily damaged or blow up, cause easily and fast, accurately to reset, can not achieve the fast of return air well head
Speed effectively blocks.Current existing Antiexplosive manhole cover cannot automatically adjust in due course, in real time the pressure of well lid according to down-hole pressure, separately
It is outer the overwhelming majority Antiexplosive manhole cover fitment body be placed on the type of outer wellhead, and take up a large area, structure is complicated, operation
It is cumbersome.
Therefore, mine ventilation engineering device technique field, needs that a kind of fitment body is built-in, structure is simple, can adjust automatically in real time
The Antiexplosive manhole cover for saving well lid pressure, damaging impact power capable of being resisted using the energy of explosion itself.
Summary of the invention
The purpose of the utility model is to overcome the defect of the prior art, need that a kind of fitment body is built-in, structure is simple, can
The Antiexplosive manhole cover for automatically adjusting well lid pressure in real time, damaging impact power capable of being resisted using the energy of explosion itself.
For achieving the above object, the technical scheme adopted by the utility model is a kind of internally-arranged type Antiexplosive manhole cover, packet
The lid that well head is set is included, a part of the lid is protruded into well head and fitted with the borehole wall, and the lid is located at well head
The diameter of outer part is greater than well head diameter, the circumferentially uniformly distributed lug of lid top edge setting at least three, described
Affixed drag-line on each lug, the drag-line is radial to be extended to ground where well head and penetrates the drag-line channel on ground；
The interconnection equal with lug quantity is arranged radially on the borehole wall, the interconnection is circumferential and each
A lug corresponds, and the interconnection passes through borehole wall end and is equipped with opening, other end closing, in the interconnection, close
Closed end is equipped with pulling plate, is connected between the pulling plate and interconnection closed end end face by several first elastic mechanisms；
It is communicated in the middle part of the drag-line channel and interconnection side wall, the drag-line is pierced by after drag-line channel enters interconnection
Pulling plate and affixed with pulling plate is extended to, is equipped with the sealing plate parallel with pulling plate, the sealing plate in the interconnection, close to open end
It is connect between pulling plate by several second elastic mechanisms, the sealing plate edge fits with interconnection inner wall.
Further, inner wall of the interconnection close to open end is equipped with big envelope, and the big envelope is transversely in channel
Wall extends at drag-line channel, and the sealing plate edge fits with big envelope inner wall.
Further, it is equipped with the stiffening plate equal with lug quantity at the top of the lid, each stiffening plate is by lid
Center extends to lug.
Further, the height of each stiffening plate is successively decreased from cover center to edge.
Further, by each drag-line channel, on ground, the first directive wheel is equipped at well head, it is described each
A drag-line is wound on the first directive wheel wheel.
Further, the second guiding is equipped with by each drag-line channel, on interconnection side wall, at pulling plate
Wheel, each drag-line are wound on the second directive wheel wheel.
Further, fovea superior in the middle part of the lid bottom surface is arranged concentrically guide pad, the guide pad top surface on the concave surface
It is affixed with lid bottom surface, it is convex under the guide pad bottom surface.
Further, drag-line is realized by the drawing ear on pulling plate with pulling plate affixed.
The utility model has the following beneficial effects:
Down-hole pressure, which becomes larger, will push sealing plate and slides to pulling plate in interconnection, give pulling plate to apply by the second elastic mechanism
One thrust, so that tensing drag-line is automatically increased well lid pressure；Vice versa.When explosion time occurs, lid stands in the breach and is pushed up
It rises and rapid pressure release, drag-line is tightened up at the same time, and the first elastic mechanism is that pulling plate applies pulling force, and the second elastic mechanism is in sealing plate
Under the action of for pulling plate apply thrust because it is ingenious be utilized explosion itself energy resist damaging impact power so that
Lid quickly and accurately resets under the action of huge resultant force.In addition in addition to part drag-line, fitment body is built in underground,
The structure of device entirety is simple, do not take up an area, invest it is small, save consumptive material, safety and environmental protection has great promotional value and wide answers
Use prospect.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is the utility model aerial part top view；
Fig. 3 is enlarged drawing at the A of the utility model Fig. 2.
Specific embodiment
In conjunction with shown in FIG. 1 to FIG. 3, a kind of internally-arranged type Antiexplosive manhole cover, the lid 3 including well head is arranged in, the lid 3
A part is protruded into well head and is fitted with the borehole wall 2, and the diameter that the lid 3 is located at the part of outer wellhead is greater than well head diameter,
The circumferentially uniformly distributed lug 4 of 3 top edge of lid setting at least three, affixed drag-line 5 on each lug 4 are described
Drag-line 5 is radial to be extended to ground 1 where well head and penetrates the drag-line channel 16 on ground 1；
It is arranged radially the interconnection 6 equal with 4 quantity of lug on the borehole wall 2, the interconnection 6 is in circumferential direction
It is corresponded with each lug 4, the interconnection 6 passes through 2 end of the borehole wall and is equipped with opening, other end closing, the interconnection
It is equipped with pulling plate 7 in 6, close to closed end, passes through the several first elastic machines between 6 closed end end face of the pulling plate 7 and interconnection
Structure 9 connects；
It is communicated in the middle part of the drag-line channel 16 and 6 side wall of interconnection, the drag-line 5 is pierced by drag-line channel 16 and enters laterally
Pulling plate 7 and affixed with pulling plate 7 is extended to behind channel 6, is equipped with the envelope parallel with pulling plate 7 in the interconnection 6, close to open end
Plate 11 is connected between the sealing plate 11 and pulling plate 7 by several second elastic mechanisms 10,11 edge of sealing plate and interconnection
6 inner walls fit.
It should be noted that the working principle of the utility model is: the lid 3 of the utility model is located at well head, lid 3
Top edge is provided with drag-line 5 by lug 4, protrudes into underground through drag-line channel 16 after 5 radiated entend of drag-line, drag-line 5 is worn
Drag-line channel 16 enters affixed with pulling plate 7 again in the interconnection 6 that is arranged on the borehole wall out, pulling plate 7 by the first elastic mechanism 9 with
Interconnection connects between 6 closed end end face, and plate face of the pulling plate 7 close to 6 open end of interconnection passes through the second elastic mechanism 10
It is connected between sealing plate 11.When explosion time occurs, lid 3 stands in the breach by jack-up and rapid pressure release, and drag-line 5 is drawn at the same time
Tightly, the first elastic mechanism 9 is that pulling plate 7 applies pulling force, and the second elastic mechanism 10 pushes away under the action of sealing plate 11 for the application of pulling plate 7
Power, because the ingenious energy that explosion itself is utilized resists damaging impact power, so that effect of the lid 3 in huge resultant force
Under quickly and accurately reset.Down-hole pressure, which becomes larger, will push sealing plate 11 and slides to pulling plate 7 in interconnection 6, pass through the second elasticity
Mechanism 10 applies a thrust to pulling plate 7, so that tensing drag-line 5 is automatically increased well lid pressure；Vice versa.In addition in addition to part
Drag-line 5, fitment body are built in underground, and the structure of device entirety is simple, do not take up an area, invest it is small, save consumptive material, safety and environmental protection,
With great promotional value and wide application prospect.
Guarantee it is understood that the binding face of lid 3 and well head is provided with the structures such as sealing ring, seal groove usually just
Often air-tightness when work, lug 4 draw the hole that can be set on ear 8 and pass through for drag-line 5 to be convenient for fixing, these are for this field
Technical staff is well known basic technology, and is not the improvement emphasis of the technical program, and details are not described herein again.First elasticity
Mechanism 9 can be column spring, tower-shaped spring, polyurethane bar etc. and provide the elastic mechanism of pulling force in a stretched state, and second
Elastic mechanism 10 can be column spring, disk like spring, nitrogen gas spring etc. and provide the elastic mechanism of thrust under compression, this
A bit can adaptation to local conditions reasonable selection, in addition material, thickness, the length of drag-line 5 are also according to well head size, downhole conditions
It is suitable for selecting.
Further, inner wall of the interconnection 6 close to open end is equipped with big envelope 12, and the big envelope 12 transversely leads to
6 inner wall of road extends at drag-line channel 16, and 11 edge of sealing plate fits with 12 inner wall of big envelope.It is understood that setting
Sealing plate 11 can be improved to the obturation effect inside interconnection 6 in big envelope 12, and in addition big envelope 12 can also be used as the component of abrasion
To facilitate maintenance to replace.
Further, the stiffening plate 13 equal with 4 quantity of lug, each stiffening plate 13 are equipped at the top of the lid 3
Lug 4 is extended to by 4 center of lid.Further, the height of each stiffening plate 13 is successively decreased from 4 center of lid to edge.
It is understood that setting stiffening plate 13 is the intensity in order to enhance lid 3, while each lug 4 being connected convenient for dividing
It dissipates pressure, improve safety, 13 middle part thickness of stiffening plate is in order to which the region for allowing face to impact possesses higher intensity.
Further, the first directive wheel 14, institute are equipped with by each drag-line channel 16, on ground 1, at well head
Each drag-line 5 is stated to be wound on the first directive wheel 14 wheel.Further, by each drag-line channel 16,6 side wall of interconnection
The second directive wheel 15 is equipped at upper, close pulling plate 7, each drag-line 5 is wound on the second directive wheel 15 wheel.It is understood that
It is that setting directive wheel is avoided the unnecessary abrasion of drag-line 5, extends making for drag-line 5 in order to enable the sliding of drag-line 5 is more smooth
Use the service life.
Further, fovea superior in the middle part of 3 bottom surface of lid is arranged concentrically guide pad 17, the guide pad on the concave surface
17 top surfaces and 3 bottom surface of lid are affixed, convex under 17 bottom surface of guide pad.It is understood that so set, can to explode
When the impact air-flow that generates be directed to and enter interconnection, promote lid 3 as fast and more as possible using the energy of explosion and
Quick-make.
Further, drag-line 5 is realized by the drawing ear 8 on pulling plate 7 with pulling plate 7 affixed.Drag-line 5 is by drawing ear 8 and pulling plate
7 is affixed, can to install and conserve more convenient.
It is understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the utility model, rather than the component of indication or suggestion meaning or mechanism must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Above embodiment is this patent preferred embodiment, but the embodiment of this patent is not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the protection scope of this patent.
Claims (8)
1. a kind of internally-arranged type Antiexplosive manhole cover, the lid (3) including well head is arranged in, it is characterised in that: one of the lid (3)
Dividing and protrudes into well head and fit with the borehole wall (2), the diameter that the lid (3) is located at the part of outer wellhead is greater than well head diameter,
The circumferentially uniformly distributed lug (4) of lid (3) top edge setting at least three, affixed drag-line on each lug (4)
(5), the drag-line (5) is radial extends to ground (1) where well head and penetrates the drag-line channel (16) on ground (1)；
It is arranged radially the interconnection equal with lug (4) quantity (6) on the borehole wall (2), interconnection (6) In
Circumferential to correspond with each lug (4), the interconnection (6) passes through the borehole wall (2) end and is equipped with opening, other end closing, institute
It states in interconnection (6), be equipped with pulling plate (7) close to closed end, between the pulling plate (7) and interconnection (6) closed end end face
It is connected by several first elastic mechanisms (9)；
It is communicated in the middle part of the drag-line channel (16) and interconnection (6) side wall, the drag-line (5) is pierced by drag-line channel (16) entrance
Pulling plate (7) and affixed with pulling plate (7) is extended to after interconnection (6), in the interconnection (6), close to open end be equipped with
Pulling plate (7) parallel sealing plate (11) is connect between the sealing plate (11) and pulling plate (7) by several second elastic mechanisms (10),
Sealing plate (11) edge fits with interconnection (6) inner wall.
2. a kind of internally-arranged type Antiexplosive manhole cover according to claim 1, it is characterised in that: the interconnection (6) is close to open
The inner wall at mouth end is equipped with big envelope (12), and transversely channel (6) inner wall extends at drag-line channel (16) big envelope (12), institute
Sealing plate (11) edge is stated to fit with big envelope (12) inner wall.
3. a kind of internally-arranged type Antiexplosive manhole cover according to claim 1, it is characterised in that: be equipped at the top of the lid (3) with
The equal stiffening plate (13) of lug (4) quantity, each stiffening plate (13) extend to lug (4) by lid (3) center.
4. a kind of internally-arranged type Antiexplosive manhole cover according to claim 3, it is characterised in that: the height of each stiffening plate (13)
Degree successively decreases from lid (3) center to edge.
5. a kind of internally-arranged type Antiexplosive manhole cover according to claim 1, it is characterised in that: each drag-line channel (16)
It is equipped with the first directive wheel (14) on other, ground (1), at well head, each drag-line (5) is wound on the first directive wheel (14)
On.
6. a kind of internally-arranged type Antiexplosive manhole cover according to claim 1, it is characterised in that: each drag-line channel (16)
It is equipped with the second directive wheel (15) on other, interconnection (6) side wall, at pulling plate (7), each drag-line (5) is wound on the
On two directive wheels (15).
7. a kind of internally-arranged type Antiexplosive manhole cover according to claim 1, it is characterised in that: in the middle part of lid (3) bottom surface
It is recessed, it is arranged concentrically guide pad (17) on lid (3) bottom surface, guide pad (17) top surface and lid (3) bottom surface are affixed, institute
It states convex under guide pad (17) bottom surface.
8. a kind of internally-arranged type Antiexplosive manhole cover according to claim 1, it is characterised in that: drag-line (5) passes through on pulling plate (7)
Ear (8) are drawn to realize with pulling plate (7) affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277663.6U CN209723047U (en) | 2019-03-05 | 2019-03-05 | A kind of internally-arranged type Antiexplosive manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277663.6U CN209723047U (en) | 2019-03-05 | 2019-03-05 | A kind of internally-arranged type Antiexplosive manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209723047U true CN209723047U (en) | 2019-12-03 |
Family
ID=68685139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920277663.6U Expired - Fee Related CN209723047U (en) | 2019-03-05 | 2019-03-05 | A kind of internally-arranged type Antiexplosive manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209723047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668614A (en) * | 2021-07-13 | 2021-11-19 | 陈远高 | Safe explosion-proof well lid is used in municipal administration |
-
2019
- 2019-03-05 CN CN201920277663.6U patent/CN209723047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668614A (en) * | 2021-07-13 | 2021-11-19 | 陈远高 | Safe explosion-proof well lid is used in municipal administration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |