CN217028982U - Mining underground flame retardant air door limiting and interlocking device - Google Patents
Mining underground flame retardant air door limiting and interlocking device Download PDFInfo
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- CN217028982U CN217028982U CN202220665774.6U CN202220665774U CN217028982U CN 217028982 U CN217028982 U CN 217028982U CN 202220665774 U CN202220665774 U CN 202220665774U CN 217028982 U CN217028982 U CN 217028982U
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Abstract
The utility model discloses a mine underground flame retardant air door limiting and interlocking device, which comprises: the interlocking device comprises an interlocking top plate, an interlocking bottom plate, an interlocking vertical plate, a front air door hole, a rear air door hole, a front counterweight barrel, a steel wire rope, a rear counterweight barrel and a steel wire rope, wherein the interlocking top plate is fixed on the lower side of the top of a roadway; the utility model solves unsafe factors when people pass by, can effectively solve the problem of unreliable interlocking of the air doors, ensures the stability of a ventilation system and reduces the later maintenance cost.
Description
Technical Field
The utility model belongs to the field of coal mine production, and particularly relates to a mine underground flame retardant air door limiting and interlocking device.
Background
The air door is an important structure in a mine ventilation system, separates air flow, creates conditions for distributing the air flow of the mine according to needs, and provides convenience for pedestrians and transportation. Nowadays, with the continuous development and progress of science and technology, various dampers with various styles are emerged. The most basic requirements that the air door must meet are that firstly, the opening is labor-saving, convenient and safe; secondly, the valve can be automatically closed; thirdly, all parts are tightly sealed and do not leak air; each group of air doors has at least two air doors, and is provided with a locking device, so that the air doors cannot be opened simultaneously; fifthly, the short circuit of the air flow is prevented when the mine is against wind, and a reverse air door is arranged on the air door of the main air path.
At present, the air door interlocking is realized by using a single steel wire rope in a certain mine, and the effect of the steel wire rope interlocking air door is poorer, so that after the front side air door is opened in an underground field, the rear side interlocking air door can be opened simultaneously, the unstable factor of wind current is caused, the later maintenance is frequent, the labor cost is high, and the air door interlocking is invalid strictly speaking.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mining underground flame retardant air door limiting and interlocking device, which is used for solving the problem of unstable air flow caused by the fact that a rear side interlocking air door can be opened simultaneously after a front side air door is opened on an underground site.
The utility model adopts the following technical scheme: the utility model provides a mining fire damper limit interlock in pit, includes:
the interlocking top plate is horizontally arranged and fixed at the lower side of the top of the roadway,
the interlocking bottom plate is horizontally arranged and fixed on the upper side of the bottom of the roadway,
the interlocking vertical plate is vertically arranged, the upper end of the interlocking vertical plate is fixedly connected with the lower side of the interlocking top plate, the lower end of the interlocking vertical plate is fixedly connected with the upper side of the interlocking bottom plate,
a linkage triangle board which is vertically arranged, three corners of the linkage triangle board are respectively a front air door end, a rear air door end and a fixed end, the fixed end is movably connected with the interlocking vertical board, a front air door hole is penetrated and arranged on the front air door end and is used for being connected with the air door positioned at the front side through a steel wire rope, a rear air door hole is penetrated and arranged on the rear air door end and is used for being connected with the air door positioned at the rear side through the steel wire rope,
the front counterweight barrel is connected with a steel wire rope penetrating through a front air door hole through a connecting rope,
the rear counterweight barrel is connected with a steel wire rope penetrating through a rear air door hole through a connecting rope,
the linkage triangular plate is used for pulling the front air door end of the linkage triangular plate to move upwards after the front air door is opened, then the rear air door end moves downwards under the action of the rear counterweight barrel, and the rear air door is tensioned to keep the rear air door in a closed state.
Further, still include:
the interlocking positioning plate is vertically arranged and fixedly connected between the linkage triangular plate and the interlocking vertical plate and used for supporting the linkage triangular plate.
Further, still include:
the front fixed pulley is fixedly connected to the upper side of the interlocking vertical plate, the lower side of the interlocking top plate or one side of the interlocking top plate, and the front fixed pulley is used for a steel wire rope going to the front air door end of the linkage triangular plate to pass by.
Further, the method also comprises the following steps:
and the rear fixed pulley is fixedly connected to the upper side of the interlocking vertical plate, the lower side of the interlocking top plate or one side of the interlocking top plate, and is used for a steel wire rope going to the rear air door end of the linkage triangular plate to pass around.
Furthermore, the fixed end of the linkage triangle is positioned between the front air door end and the rear air door end.
The utility model has the beneficial effects that: the processing materials used by the utility model are very common, namely materials such as steel pipes, nuts, bolts and the like used in daily work, the processing cost is low, the manufacturing process is simple, and leftover materials generated in work can be used for processing; the problem of unreliable interlocking of the air door is solved, and the labor cost is reduced; the utility model avoids the potential safety hazard to the pedestrian, is not easy to damage, simple to install, has long service life and can be recycled; the problem of personnel unsafe factor when passing through to it is unreliable to solve air door interlocking effectively, ensures that ventilation system is stable, has reduced later stage cost of maintenance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. an interlocking top plate; 2. an interlock chassis; 3. interlocking the vertical plates; 4. a linkage set square; 5. a front counterweight barrel; 6. a rear counterweight barrel; 7. a front damper end; 8. a rear damper end; 9. a fixed end; 10. an interlocking positioning plate; 11. a front fixed pulley; 12. and a rear fixed pulley.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model discloses a limiting and interlocking device for a mine underground flame-retardant air door, which comprises an interlocking top plate 1, an interlocking bottom plate 2, an interlocking vertical plate 3, a linkage triangular plate 4, a front counterweight barrel 5 and a rear counterweight barrel 6, as shown in figure 1.
Interlocking roof 1 level sets up, and interlocking roof 1 is fixed at tunnel top downside, and 2 levels of interlocking bottom plate set up, and interlocking bottom plate 2 is fixed at tunnel bottom upside, and 3 vertical settings of interlocking riser, the upper end of interlocking riser 3 and the downside fixed connection of interlocking roof 1, the lower extreme of interlocking riser 3 and the upside fixed connection of interlocking bottom plate 2.
Vertical setting of linkage set-square 4, three angles of linkage set-square 4 are preceding air door end 7 respectively, back air door end 8 and stiff end 9, stiff end 9 and 3 swing joint of interlocking riser, swing joint refers to fix interlocking riser 3's stiff end 9 on interlocking riser 3 through the bolt, and linkage set-square 4 can wind this bolt free rotation, run through on linkage set-square 4's the preceding air door end 7 and seted up preceding air door hole, preceding air door hole is used for being connected with the air door that is located the front side through wire rope, run through on linkage set-square 4's the back air door end 8 and seted up back air door hole, back air door hole is connected with the air door that is located the rear side through wire rope.
Preceding counter weight bucket 5 is connected through being connected the rope with the wire rope that passes preceding air door hole, and back counter weight bucket 6 is connected through being connected the rope with the wire rope that passes back air door hole, and wherein, linkage set-square 4 is used for opening the back at the front side air door, and the preceding air door end 7 upward movement of pulling linkage set-square 4, and then back air door end 8 downstream under the effect of back counter weight bucket 6, and taut back air door keeps it to be in closed condition.
The utility model also includes: interlocking locating plate 10, the vertical setting of interlocking locating plate 10, interlocking locating plate 10 fixed connection is between linkage set square 4 and interlocking riser 3, and interlocking locating plate 10 is used for playing the effect of support to linkage set square 4.
The utility model also includes: and the front fixed pulley 11 is fixedly connected to the upper side of the interlocking vertical plate 3 and is positioned on the upper side of the linkage triangular plate 4, the lower side of the interlocking top plate 1 or one side of the interlocking top plate 1, and the front fixed pulley 11 is used for a steel wire rope going to the front air door end 7 of the linkage triangular plate 4 to pass through.
The utility model also includes: and the rear fixed pulley 12 is fixedly connected to one side of the interlocking vertical plate 3 and is positioned on the upper side of the linkage triangular plate 4, the lower side of the interlocking top plate 1 or one side of the interlocking top plate 1, and the rear fixed pulley 12 is used for a steel wire rope going to the rear air door end 8 of the linkage triangular plate 4 to pass around.
The stiff end 9 of linkage set-square 4 is located between front air door end 7 and the back air door end 8, can open the back like this at the front side air door, and then the preceding air door end 7 upward movement of pulling linkage set-square 4, and then back air door end 8 downstream under the effect of counterweight barrel 6, taut back air door keeps it to be in the closed condition, open the back at the back side air door on the contrary, and then the back air door end 8 upward movement of pulling linkage set-square 4, and then preceding air door end 7 downstream under the effect of counterweight barrel 5 in the front, air door keeps it to be in the closed condition before taut.
Compared with the existing air door interlocking, the interlocking effect is very obvious, the existing air door interlocking is realized by using a single steel wire rope, and the lower the effect of the steel wire rope interlocking air door is, after the front side air door is opened in an underground field, the rear side interlocking air door can be opened at the same time by a distance of 0.5-0.8m, so that the unstable factor of air flow is caused, and the air door interlocking is strictly invalid.
The utility model has been put into use for 2 months in a certain mine 23308 reversal air door, and has the advantages of safety, reliability and longer service life. In the field experiment process, after one air door is opened, the other interlocking air door cannot be opened, so that stable and reliable ventilation is ensured.
The utility model is very convenient in the installation and maintenance process, only needs to be fixed at one side of the middle roadway of the air door by drilling, is simple to disassemble when the air door is damaged or needs to be maintained for other reasons, is invalid in interlocking, and can be installed after the maintenance of the air door is finished.
The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a mining fire door limit interlock in pit which characterized in that includes:
an interlocking top plate (1) which is horizontally arranged and fixed at the lower side of the top of the roadway,
an interlocking bottom plate (2) which is horizontally arranged and fixed on the upper side of the bottom of the roadway,
the interlocking vertical plate (3) is vertically arranged, the upper end of the interlocking vertical plate is fixedly connected with the lower side of the interlocking top plate (1), the lower end of the interlocking vertical plate is fixedly connected with the upper side of the interlocking bottom plate (2),
a linkage triangular plate (4) which is vertically arranged, wherein three corners of the linkage triangular plate are respectively a front air door end (7), a rear air door end (8) and a fixed end (9), the fixed end (9) is movably connected with the interlocking vertical plate (3), a front air door hole is formed in the front air door end (7) in a penetrating way and is used for being connected with an air door positioned on the front side through a steel wire rope, a rear air door hole is formed in the rear air door end (8) in a penetrating way and is used for being connected with an air door positioned on the rear side through a steel wire rope,
a front counterweight barrel (5) which is connected with a steel wire rope passing through the front air door hole through a connecting rope,
a rear counterweight barrel (6) which is connected with a steel wire rope penetrating through the rear air door hole through a connecting rope,
the linkage triangular plate (4) is used for pulling the front air door end (7) of the linkage triangular plate (4) to move upwards after the front air door is opened, then the rear air door end (8) moves downwards under the action of the rear counterweight barrel (6), and the rear air door is tensioned to keep the linkage triangular plate in a closed state.
2. The mining underground fire retardant damper limit interlock device according to claim 1, further comprising:
interlocking locating plate (10), vertical setting, fixed connection are between linkage set square (4) and interlocking riser (3) for play the effect of support to linkage set square (4).
3. The mining underground fire retardant damper limit interlock device according to claim 2, further comprising:
the front fixed pulley (11) is fixedly connected to the upper side of the interlocking vertical plate (3), the lower side of the interlocking top plate (1) or one side of the interlocking top plate (1), and the front fixed pulley (11) is used for a steel wire rope going to the front air door end (7) of the linkage triangular plate (4) to pass by.
4. The mining underground fire retardant damper limit interlock device according to claim 3, further comprising:
and the rear fixed pulley (12) is fixedly connected to the upper side of the interlocking vertical plate (3), the lower side of the interlocking top plate (1) or one side of the interlocking top plate (1), and the rear fixed pulley (12) is used for a steel wire rope going to the rear air door end (8) of the linkage triangular plate (4) to pass by.
5. A mining underground fire retardant damper limit interlock device according to any one of claims 1-4, characterized in that the fixed end (9) of the linkage triangle (4) is located between the front damper end (7) and the rear damper end (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220665774.6U CN217028982U (en) | 2022-03-24 | 2022-03-24 | Mining underground flame retardant air door limiting and interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220665774.6U CN217028982U (en) | 2022-03-24 | 2022-03-24 | Mining underground flame retardant air door limiting and interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217028982U true CN217028982U (en) | 2022-07-22 |
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ID=82413184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220665774.6U Active CN217028982U (en) | 2022-03-24 | 2022-03-24 | Mining underground flame retardant air door limiting and interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217028982U (en) |
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2022
- 2022-03-24 CN CN202220665774.6U patent/CN217028982U/en active Active
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