CN212250104U - Switching device for main ventilator and standby ventilator of mine - Google Patents
Switching device for main ventilator and standby ventilator of mine Download PDFInfo
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- CN212250104U CN212250104U CN202021094614.8U CN202021094614U CN212250104U CN 212250104 U CN212250104 U CN 212250104U CN 202021094614 U CN202021094614 U CN 202021094614U CN 212250104 U CN212250104 U CN 212250104U
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- ventilator
- fan
- standby
- ventilation blower
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Abstract
The utility model discloses a main ventilation blower of mine and reserve ventilation blower auto-change over device, including a fan tunnel, fan tunnel front end and ventilating shaft intercommunication, fan tunnel rear end sets gradually perpendicular air door, horizontal picture peg air door, horizontal test air door, fan tunnel tail end is equipped with pre-buried joint, the pre-buried joint rear end is equipped with the noise elimination diffusion section of thick bamboo, the noise elimination diffusion tower, pre-buried joint and noise elimination are equipped with main ventilation blower and reserve ventilation blower between the diffusion section of thick bamboo, main ventilation blower and reserve ventilation blower radially set up side by side along the fan tunnel, main ventilation blower, reserve ventilation blower and pre-buried joint, the junction of noise elimination diffusion section of thick bamboo is equipped with auto-. The utility model discloses a remove main blower and reserve fan's first, second grade host computer group mounted position, reach the purpose of switching main blower and reserve fan, thereby reduced equipment quantity and reduced corresponding maintenance work, reduced fault rate and outside rate of leaking out.
Description
Technical Field
The utility model relates to a mine field, in particular to main ventilation blower of mine and reserve ventilation blower auto-change over device.
Background
The one hundred, five eighteenth item of coal mine safety regulations stipulate the installation and use requirements of main ventilators:
and (II) continuous operation of the main ventilator must be ensured.
And (III) 2 sets of main ventilator devices with the same capacity must be installed, wherein 1 set is used for standby, and the standby ventilator must be capable of being operated within 10 min.
In the field of coal mine ventilation at the present stage, 2 sets of main ventilator devices with the same capacity are installed at an air return road junction, and refer to attached drawings 1 and 2. In the figure, 10 is a winch room and 11 is an access door room. The tunnel connecting the air shaft and the main ventilator is made into a Y shape and divided into a No. 1 tunnel and a No. 2 tunnel. Each set of main ventilator device generally comprises a vertical air door 7, a horizontal flashboard air door 8, a horizontal test air door 9 and a main ventilator. The main ventilator comprises a pre-buried joint 1, a current collector 2, a primary main unit group 3, a secondary main unit group 4, a silencing diffusion cylinder 5 and a silencing diffusion tower 6. The opening and closing modes of the vertical air door 7, the horizontal inserting plate air door 8 and the horizontal testing air door 9 are manual and electric double-insurance modes. The main ventilator has the function of wind resistance.
Generally, the main ventilator continuously operates for one month, and the main ventilator is switched with the standby ventilator. The sequence is as follows: and (3) shutting down the No. 1 tunnel and running the main ventilator, opening the No. 2 tunnel vertical air door and the horizontal flashboard air door, opening the No. 2 air duct main ventilator, and closing the No. 1 tunnel vertical air door and the horizontal flashboard air door. And (5) overhauling and maintaining the standby ventilator device.
The switching method of the main ventilator and the standby ventilator of the mine at the present stage has the following problems:
1. two fan tunnels and two fan foundations, the civil engineering workload is large, the civil engineering cost is high, and the occupied area is wide.
2. The system comprises two vertical air doors, two horizontal plug board air doors, two horizontal test air doors and two main ventilators; the equipment quantity is large, and the acquisition cost is high.
3. The equipment quantity is many, and corresponding maintenance work is many, and it is many to break down.
4. One more tunnel increases outside rate of leaking out.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, with low costs, reliable operation's mine main blower and reserve ventilation blower auto-change over device.
The utility model provides a technical scheme of above-mentioned problem is: the utility model provides a main ventilation blower of mine and reserve ventilation blower auto-change over device, includes a fan tunnel, fan tunnel front end and air shaft intercommunication, and fan tunnel rear end sets gradually perpendicular air door, horizontal picture peg air door, horizontal test air door, and fan tunnel tail end is equipped with pre-buried joint, and pre-buried joint rear end is equipped with noise elimination diffuser, noise elimination diffusion tower, be equipped with main ventilation blower and reserve ventilation blower between pre-buried joint and the noise elimination diffuser, main ventilation blower and reserve ventilation blower all include the one-level host computer group and the second grade host computer group that concatenate in proper order, and main ventilation blower and reserve ventilation blower radially set up side by side along the fan tunnel, and main ventilation blower, reserve ventilation blower and pre-buried joint, the junction of noise elimination diffuser are equipped with the auto-change.
The switching device comprises a fan mounting rail, a front soft connection structure and a rear soft connection structure, the main fan and the standby fan are fixedly mounted on a moving device, the moving device can be mounted on the fan mounting rail in a rolling manner, and the moving device is provided with a travel switch for controlling the moving device to move back and forth, a limiting stopper for limiting the moving device and a brake for braking the moving device; the front end of the front flexible connection structure is connected with the embedded joint, the rear end of the front flexible connection structure is connected with the primary main unit of the main ventilator or the standby ventilator, the front end of the rear flexible connection structure is connected with the secondary main unit of the main ventilator or the standby ventilator, and the rear end of the rear flexible connection structure is connected with the silencing diffusion cylinder.
Above-mentioned main ventilation blower of mine and reserve ventilation blower auto-change over device, preceding soft connection structure includes preceding reducer union, preceding moving joint, uide pin I, hydraulic cylinder I, soft hookup I, guide rail roller device I, preceding reducer union front end is connected with pre-buried articulate, is equipped with uide pin hole I in the middle of the preceding reducer union, and preceding reducer union rear end upper portion is equipped with a plurality of hydraulic cylinder I, and preceding reducer union rear end lower part is equipped with guide rail roller device I, preceding moving joint installs on guide rail roller device I in the bottom, and hydraulic cylinder I is connected with preceding moving joint through soft hookup I, and preceding moving joint front end middle part is equipped with uide pin I, and I front end cartridge of uide pin is in uide pin hole I.
The switching device for the main mine ventilator and the standby ventilator comprises a rear movable connector, a soft connection II, a hydraulic oil cylinder II, a guide pin II and a guide rail roller device II, wherein a guide pin hole II is formed in the middle of a silencing diffusion cylinder, the upper portion of the front end of the silencing diffusion cylinder is provided with the hydraulic oil cylinders II, the lower portion of the front end of the silencing diffusion cylinder is provided with the guide rail roller device II, the bottom of the rear movable connector is mounted on the guide rail roller device II, the hydraulic oil cylinder II is connected with the rear movable connector through the soft connection II, the middle portion of the rear end of the rear movable connector is provided with the guide pin II, and the rear end of the guide pin II is inserted into the guide pin.
The switching device for the main ventilator and the standby ventilator of the mine is characterized in that the rear flexible connection structure further comprises a limiting protection device which is arranged at the lower part of the front end of the silencing diffusion cylinder and used for limiting the rear movable joint.
Above-mentioned mine main blower and reserve ventilation blower auto-change over device, the one-level main unit front end of main ventilation blower and reserve ventilation blower all is equipped with elastic seal ring I, and the second grade main unit rear end of main ventilation blower and reserve ventilation blower all is equipped with elastic seal ring II.
The main ventilator and the standby ventilator of the mine are switched, and the moving device is an electric flat car or an electric walking mechanism.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a remove main blower and reserve ventilation blower's first, second grade host computer group mounted position, reach the purpose of switching main blower and reserve ventilation blower. The primary and secondary main units of the main ventilator and the standby ventilator can be arranged on the electric flat car or an electric walking mechanism is added at the bottom of the main unit, and the main unit and the standby ventilator move back and forth on a fan mounting rail to assist in positioning by a travel switch, a limiter and a brake; the first-stage main unit is connected with the roadway joint, and the second-stage main unit is connected with the silencing diffusion cylinder by hydraulic soft connection devices, so that the first-stage main unit and the second-stage main unit can be quickly separated and connected. Through actual measurement, the utility model can complete the reversing work of the ventilator within 3 minutes; through electrical control, "one-click" machine reversing can be realized. The ventilation requirement of the mine is met, and the mine ventilation safety standard is met.
2. The utility model adopts a fan tunnel and a fan foundation, the civil engineering workload and the civil engineering cost are reduced by about 50 percent, and a vertical air door, a horizontal plugboard air door and a horizontal testing air door are adopted; the ventilator adopts two sets of primary main machine groups and secondary main machine groups, shares a set of pre-buried joint, a front moving joint, a rear moving joint, a silencing diffusion cylinder and a silencing diffusion tower, and is additionally provided with a hydraulic station and a moving device; the equipment quantity is reduced, the acquisition cost is reduced by 40%, the equipment quantity is reduced, the corresponding maintenance work is reduced, and the failure rate and the external air leakage rate are reduced.
Drawings
Fig. 1 is a schematic side view of a conventional mine ventilator apparatus.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural view of the middle-front flexible connection structure of the present invention.
Fig. 6 is a schematic structural view of the middle and rear flexible connection structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 3 and 4, the switching device for the main ventilator and the standby ventilator of the mine comprises a fan tunnel 12, wherein the front end of the fan tunnel 12 is communicated with an air shaft, the rear end of the fan tunnel 12 is sequentially provided with a vertical air door 7, a horizontal plug board air door 8 and a horizontal test air door 9, the tail end of the fan tunnel 12 is provided with an embedded joint 1, the rear end of the embedded joint 1 is provided with a silencing diffusion cylinder 5.2 and a silencing diffusion tower 6, the main ventilator and the standby ventilator are arranged between the embedded joint 1 and the noise elimination diffusion cylinder 5.2 and comprise a first-stage main unit group 3 and a second-stage main unit group 4 which are sequentially connected in series, the main ventilator and the standby ventilator are arranged in parallel along the radial direction of a fan roadway 12, and a switching device for switching the main ventilator and the standby ventilator is arranged at the joint of the main ventilator, the standby ventilator, the embedded joint 1 and the noise elimination diffusion cylinder 5.2.
The switching device comprises a fan mounting rail 13, a front soft connection structure and a rear soft connection structure, the main fan and the standby fan are fixedly mounted on a moving device 14, the moving device 14 is an electric flat car or an electric travelling mechanism, the moving device 14 can be mounted on the fan mounting rail 13 in a rolling mode, and a travel switch for controlling the reciprocating motion of the moving device 14, a limiting stopper for limiting the moving device 14 and a brake for braking the moving device 14 are arranged on the moving device 14; the front end of the front soft connection structure is connected with the embedded joint 1, the rear end of the front soft connection structure is connected with the primary main unit 3 of the main ventilator or the standby ventilator, the front end of the rear soft connection structure is connected with the secondary main unit 4 of the main ventilator or the standby ventilator, and the rear end of the rear soft connection structure is connected with the silencing diffusion cylinder 5.2. When the primary main unit 3 and the secondary main unit 4 move to required positions, the travel switch is powered off, the driving motor is powered off to stop working, the driving wheel is powered off, the brake is braked, and the limiter is mechanically limited in position to ensure accurate positions.
As shown in fig. 5, the front soft connection structure comprises a front reducer union 2.1, a front movable union 2.2, a guide pin i 2.3, a hydraulic oil cylinder i 2.4, a soft connection i 2.5 and a guide rail roller device i 2.6, wherein the front end of the front reducer union 2.1 is connected with an embedded union 1, a guide pin hole i is formed in the middle of the front reducer union 2.1, a plurality of hydraulic oil cylinders i 2.4 are arranged on the upper portion of the rear end of the front reducer union 2.1, a guide rail roller device i 2.6 is arranged on the lower portion of the rear end of the front reducer union 2.1, the bottom of the front movable union 2.2 is mounted on the guide rail roller device i 2.6, the weight of the front movable union 2.2 is supported by the guide rail roller device i 2.6, and the guide rail roller device i 2.6; the hydraulic oil cylinder I2.4 is connected with the front moving joint 2.2 through a soft connection I2.5, the front moving joint 2.2 is driven to reciprocate through the hydraulic oil cylinder I2.4, and the soft connection I2.5 is telescopic, elastic, antistatic and flame-retardant, so that the reciprocating motion of the front moving joint 2.2 is smoothly realized; the front end middle part of the front moving connector 2.2 is provided with a guide pin I2.3, the front end of the guide pin I2.3 is inserted into the guide pin hole I, the number of the guide pins I2.3 can be set to be a plurality of, and the guide pin guides the front moving connector 2.2 in a reciprocating motion accurately. The front end of the primary main unit 3 of the main ventilator and the standby ventilator is provided with an elastic sealing ring I3.1, the elastic sealing ring I3.1 is elastic, antistatic and flame-retardant, and when the front movable joint 2.2 compresses the elastic sealing ring I3.1, the blower shell is guaranteed not to leak air.
As shown in fig. 6, the rear flexible connection structure comprises a rear movable joint 5.1, a flexible connection II 5.3, a hydraulic oil cylinder II 5.4, a guide pin II 5.5, a guide rail roller device II 5.7 and a limit protection device 5.6, wherein a guide pin hole II 5.8 is arranged in the middle of a silencing diffusion cylinder 5.2, a plurality of hydraulic oil cylinders II 5.4 are arranged on the upper part of the front end of the silencing diffusion cylinder 5.2, the lower part of the front end of the silencing diffusion cylinder 5.2 is provided with the guide rail roller device II 5.7, the bottom of the rear movable joint 5.1 is arranged on the guide rail roller device II 5.7, the hydraulic oil cylinder II 5.4 is connected with the rear movable joint 5.1 through the flexible connection II 5.3, the middle part of the rear end of the rear movable joint 5.1 is provided with the guide pin II 5.5, and the rear end of the guide pin II 5.5 is; the limiting protection device 5.6 is arranged at the lower part of the front end of the silencing diffusion cylinder 5.2 and used for limiting the rear movable joint 5.1. The working principle of the rear soft connection structure is the same as that of the front soft connection structure.
The utility model provides a hydraulic cylinder I2.4 and hydraulic cylinder II 5.4 all are equipped with the hydraulic pressure station, and the hydraulic pressure station is explosion-proof type, accords with the explosion-proof grade requirement of I class, including bi-motor, bi-oil pump, configuration energy storage ware, pressure switch. Setting the upper limit and the lower limit of the oil pressure according to requirements, wherein when the oil pressure exceeds the upper limit, the pressure switch is powered off, and the oil pump stops working; when the oil pressure is lower than the lower limit, the pressure switch is electrified, and the oil pump is started to work; the energy accumulator can effectively prolong the starting interval of the oil pump and protect the motor; when one oil pump fails, the other oil pump is automatically started and alarmed; the hydraulic station selects high-quality hydraulic elements and accessories to ensure the normal work of a hydraulic system.
And the rear ends of the secondary main unit 4 of the main ventilator and the standby ventilator are respectively provided with an elastic sealing ring II 4.1.
The utility model discloses a theory of operation process as follows:
the mine polluted air is exhausted to the atmosphere through a vertical air door 7, a horizontal flashboard air door 8, an embedded joint 1, a front reducing joint 2.1, a front moving joint 2.2, a primary host unit 3, a secondary host unit 4, a rear moving joint 5.1, a silencing diffusion cylinder 5.2 and a silencing diffusion tower 6.
The switching process is also that the main ventilator continuously runs for one month, and the main ventilator is switched with the standby ventilator. The sequence is as follows: the main ventilator is shut down, the hydraulic station separates the front moving joint 2.2 and the rear moving joint 5.1 from the main ventilator at the same time, the moving device 14 is started, the standby ventilator is in place, the hydraulic station butts the front moving joint 2.2 and the rear moving joint 5.1 with the standby ventilator at the same time, and the standby ventilator is started. And (5) overhauling and maintaining the main ventilator device.
Claims (7)
1. The utility model provides a main ventilation blower of mine and reserve ventilation blower auto-change over device, includes a fan tunnel, fan tunnel front end and air shaft intercommunication, and fan tunnel rear end sets gradually perpendicular air door, horizontal picture peg air door, horizontal test air door, and fan tunnel tail end is equipped with pre-buried joint, and pre-buried joint rear end is equipped with noise elimination diffusion section of thick bamboo, noise elimination diffusion tower, its characterized in that: the main ventilator and the standby ventilator are arranged in parallel along the radial direction of a fan roadway, and the main ventilator, the standby ventilator, the embedded joint and the silencing diffusion cylinder are provided with switching devices for switching the main ventilator and the standby ventilator.
2. The mine main and standby ventilator switching apparatus as claimed in claim 1, wherein: the switching device comprises a fan mounting rail, a front soft connection structure and a rear soft connection structure, the main fan and the standby fan are fixedly mounted on a moving device, the moving device can be mounted on the fan mounting rail in a rolling manner, and the moving device is provided with a travel switch for controlling the moving device to move back and forth, a limiting stopper for limiting the moving device and a brake for braking the moving device; the front end of the front flexible connection structure is connected with the embedded joint, the rear end of the front flexible connection structure is connected with the primary main unit of the main ventilator or the standby ventilator, the front end of the rear flexible connection structure is connected with the secondary main unit of the main ventilator or the standby ventilator, and the rear end of the rear flexible connection structure is connected with the silencing diffusion cylinder.
3. The mine main and standby ventilator switching apparatus as claimed in claim 2, wherein: preceding flexible connection structure includes preceding reducer union, preceding movable joint, uide pin I, hydraulic cylinder I, soft hookup I, guide rail roller device I, preceding reducer union front end is connected with pre-buried articulate, is equipped with uide pin hole I in the middle of the preceding reducer union, and preceding reducer union rear end upper portion is equipped with a plurality of hydraulic cylinder I, and preceding reducer union rear end lower part is equipped with guide rail roller device I, preceding movable joint installs on guide rail roller device I in the bottom, and hydraulic cylinder I is connected with preceding movable joint through soft hookup I, and preceding movable joint front end middle part is equipped with uide pin I, and I front end cartridge of uide pin is in uide pin hole I.
4. The mine main and standby ventilator switching apparatus as claimed in claim 2, wherein: the rear flexible connection structure comprises a rear movable joint, a flexible connection II, a hydraulic oil cylinder II, a guide pin II and a guide rail roller device II, wherein a guide pin hole II is formed in the middle of the noise elimination diffusion cylinder, the hydraulic oil cylinders II are arranged on the upper portion of the front end of the noise elimination diffusion cylinder, the guide rail roller device II is arranged on the lower portion of the front end of the noise elimination diffusion cylinder, the bottom of the rear movable joint is mounted on the guide rail roller device II, the hydraulic oil cylinder II is connected with the rear movable joint through the flexible connection II, the middle portion of the rear end of the rear movable joint is provided with the guide pin II, and the rear end of the guide pin II.
5. The mine main and standby ventilator switching apparatus as claimed in claim 4, wherein: the rear flexible connection structure further comprises a limiting protection device which is arranged at the lower part of the front end of the silencing diffusion cylinder and used for limiting the rear movable joint.
6. The mine main and standby ventilator switching apparatus as claimed in claim 4, wherein: the front ends of the primary main unit of the main ventilator and the standby ventilator are respectively provided with an elastic sealing ring I, and the rear ends of the secondary main unit of the main ventilator and the standby ventilator are respectively provided with an elastic sealing ring II.
7. The mine main and standby ventilator switching apparatus as claimed in claim 4, wherein: the moving device is an electric flat car or an electric walking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094614.8U CN212250104U (en) | 2020-06-15 | 2020-06-15 | Switching device for main ventilator and standby ventilator of mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094614.8U CN212250104U (en) | 2020-06-15 | 2020-06-15 | Switching device for main ventilator and standby ventilator of mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250104U true CN212250104U (en) | 2020-12-29 |
Family
ID=73987908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021094614.8U Withdrawn - After Issue CN212250104U (en) | 2020-06-15 | 2020-06-15 | Switching device for main ventilator and standby ventilator of mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520175A (en) * | 2020-06-15 | 2020-08-11 | 平安电气股份有限公司 | Switching device for main ventilator and standby ventilator of mine |
-
2020
- 2020-06-15 CN CN202021094614.8U patent/CN212250104U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520175A (en) * | 2020-06-15 | 2020-08-11 | 平安电气股份有限公司 | Switching device for main ventilator and standby ventilator of mine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201229 Effective date of abandoning: 20220308 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201229 Effective date of abandoning: 20220308 |