CN210682247U - Belt feeder coal recovery protection device - Google Patents
Belt feeder coal recovery protection device Download PDFInfo
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- CN210682247U CN210682247U CN201921384818.2U CN201921384818U CN210682247U CN 210682247 U CN210682247 U CN 210682247U CN 201921384818 U CN201921384818 U CN 201921384818U CN 210682247 U CN210682247 U CN 210682247U
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Abstract
The utility model discloses a belt conveyor coal return protection device, which comprises a coal baffle plate, a pressure sensor arranged on the coal baffle plate and a cleaning device; the coal blocking plate is fixedly connected to a machine tail frame at the front end of a machine tail roller of the belt conveyor, the bottom end of the coal blocking plate is a certain height above a bottom belt, and the extending direction of the coal blocking plate and the moving direction of the belt are inclined to form a certain angle; the cleaning device comprises a supporting rod, a motor fixedly connected to the middle part below the supporting rod, a secondary telescopic rod fixedly connected with a rotating shaft of the motor, and a cleaning brush fixedly connected to the lower end of the secondary telescopic rod. The utility model discloses a keep off coal board can short-term test the coal return on the belt on earth and tentatively block the coal return and clean, and cleaning device thoroughly cleans remaining coal return, and the coal return protection is reliable, need not cut off the power supply and clean the maintenance at once at the equipment after detecting the coal return simultaneously, save time, simple structure, simple to operate has fine practicality.
Description
Technical Field
The utility model relates to a coal mine equipment field specifically indicates a belt feeder coal recovery protection device.
Background
At present, the phenomenon of coal-scattering bottom belt sometimes occurs at the lap joint of a belt conveyor along the main coal mine conveying line, the belt conveyor brings back coal and then blocks a tail roller, and heavy-load shutdown of the belt conveyor or even belt breakage is caused to cause major electromechanical accidents. The traditional belt feeder has only been installed two devices of "four protections", can not play the coal return protection of belt, and prior art has detected that there is the coal return and cuts off the power supply immediately and alarm device, though can protect transportation equipment like this, but need clear up just can restart transportation equipment after the coal return, has wasted a large amount of time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a belt feeder coal return protection device.
In order to solve the technical problem, the utility model provides a technical scheme is a belt feeder coal return protection device: comprises a coal baffle plate, a pressure sensor arranged on the coal baffle plate and a cleaning device; the coal blocking plate is fixedly connected to a machine tail frame at the front end of a machine tail roller of the belt conveyor, the bottom end of the coal blocking plate is a certain height above a bottom belt, and the extending direction of the coal blocking plate and the moving direction of the belt are inclined to form a certain angle; the cleaning device comprises a supporting rod, a motor fixedly connected to the middle part below the supporting rod, a secondary telescopic rod fixedly connected with a rotating shaft of the motor, and a cleaning brush fixedly connected to the lower end of the secondary telescopic rod.
As an improvement, the support rod is fixedly connected with a coal feeder frame, the secondary telescopic rod comprises a primary rod and a secondary rod, a rectangular thread groove is formed in the primary rod, a sliding block matched with the rectangular thread groove is arranged at one end of the secondary rod, a spring is arranged between the primary rod and the secondary rod, one end of the spring is fixedly connected with the primary rod, and the other end of the spring is fixedly connected with the secondary rod;
when the motor is not started, the secondary rod contracts under the action of the elastic force of the spring, the bottom of the cleaning brush is a certain height away from the bottom belt, when the motor is started, the secondary rod extends out under the combined action of the centrifugal force and the acting force of the rectangular thread groove, and the bottom of the cleaning brush is contacted with the bottom belt.
As an improvement, the cleaning device is arranged above the bottom belt, and the bottom belt firstly passes through the coal baffle plate and then passes through the cleaning device when running.
As an improvement, the pressure sensor is arranged in the middle of the coal baffle plate close to the side of the cleaning device.
As an improvement, two ends of the coal baffle plate extend out of the bottom belt, so that the coal baffle plate can block coal falling on any position of the bottom belt.
As an improvement, the length of the cleaning brush is greater than 1/2 of the width of the bottom belt, so that the cleaning brush can contact with the two ends of the bottom belt after rotating for one circle.
As an improvement, the belt conveyor coal return protection device is connected with an external electric power and electric power control system and an alarm device.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses a keep off coal board can short-term test the coal return on the belt on earth and tentatively block the coal return and clean, and cleaning device thoroughly cleans remaining coal return, and the coal return protection is reliable, need not cut off the power supply and clean the maintenance at once at the equipment after detecting the coal return simultaneously, save time, simple structure, simple to operate has fine practicality.
Drawings
Fig. 1 is a perspective view of the coal return protection device of the belt conveyor of the present invention.
Fig. 2 is a front view of the coal return protection device of the belt conveyor of the present invention.
Fig. 3 is a schematic structural view of a two-stage telescopic rod of the coal return protection device of the belt conveyor of the present invention.
As shown in the figure: 1. the coal cleaning device comprises a coal blocking plate 2, a pressure sensor 3, a motor 4, a cleaning brush 5, a primary rod 6, a secondary rod 7, a rectangular thread groove 8, a sliding block 9 and a spring.
Detailed Description
The following describes the coal return protection device of the belt conveyor in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1-3, the belt conveyor coal return protection device comprises a coal baffle plate 1, a pressure sensor 2 arranged on the coal baffle plate 1 and a cleaning device; the coal baffle plate 1 is fixedly connected to a tail frame at the front end of a tail roller of the belt conveyor, the bottom end of the coal baffle plate 1 is a certain height above a bottom belt, and the extending direction of the coal baffle plate 1 and the moving direction of the belt are inclined to form a certain angle; the cleaning device comprises a support rod 2, a motor 3 fixedly connected to the middle part below the support rod 2, a secondary telescopic rod fixedly connected with a rotating shaft of the motor 3, and a cleaning brush 4 fixedly connected to the lower end of the secondary telescopic rod.
The support rod 2 is fixedly connected with a coal feeder frame, the secondary telescopic rod comprises a primary rod 5 and a secondary rod 6, a rectangular thread groove 7 is formed in the primary rod 5, a sliding block 8 matched with the rectangular thread groove 7 is arranged at one end of the secondary rod 6, a spring 9 is arranged between the primary rod 5 and the secondary rod 6, one end of the spring 9 is fixedly connected with the primary rod 5, and the other end of the spring 9 is fixedly connected with the secondary rod 6;
when the motor 3 is not started, the secondary rod 6 contracts under the action of the elastic force of the spring 9, the bottom of the cleaning brush 4 is at a certain height from the bottom belt, when the motor 3 is started, the secondary rod 6 extends out under the combined action of the centrifugal force and the acting force of the rectangular thread groove 7, and the bottom of the cleaning brush 4 is in contact with the bottom belt.
The cleaning device is arranged above the bottom belt, and the bottom belt firstly passes through the coal baffle plate 1 and then passes through the cleaning device when running.
The pressure sensor 2 is arranged in the middle of the coal baffle plate 1 close to the side of the cleaning device.
Two ends of the coal baffle plate 1 extend out of the bottom belt, so that the coal baffle plate 1 can block coal falling on any position of the bottom belt.
The length of the cleaning brush 4 is larger than 1/2 of the width of the bottom belt, so that the cleaning brush 4 can contact the two ends of the bottom belt after rotating for a circle.
The belt conveyor coal return protection device is connected with an external electric power and electric power control system and an alarm device.
The utility model discloses when the concrete implementation, fix belt feeder coal return protection device above the end belt, when falling the coal return on the end belt, the belt returns the coal and contacts with coal baffle 1 in the operation process, pressure sensor 2 senses pressure, electric control system starts motor 3, the belt returns the coal and contacts with coal baffle 1 in the operation process, the belt still continues the operation, the coal return slips from bottom belt one side under belt frictional force and coal baffle 1 resistance effect, thereby realize the preliminary cleaning of coal return, because coal baffle 1 bottom apart from the bottom belt certain height to avoid belt normal operating to produce frictional force with coal baffle 1 contact, have a small amount of coal return to leave on the bottom belt; the motor 3 is started to drive the cleaning brush 4 to rotate, the secondary rod 6 extends out under the combined action of centrifugal force and the acting force of the rectangular thread groove 7, and the bottom of the cleaning brush 4 is contacted with the bottom belt, so that the coal return is thoroughly cleaned; when the coal blocking plate 1 cannot detect the coal return, the electric control system stops the motor 3, the secondary rod 6 contracts under the combined action of the elastic force of the spring 9 and the acting force of the rectangular thread groove 7, and the bottom of the cleaning brush 4 is at a certain height from the bottom belt; when the coal return quantity is too much at one time, the pressure sensor 2 on the coal baffle plate 1 reaches a set pressure value, the alarm device gives an alarm, the equipment is powered off, and manual cleaning is carried out.
The utility model discloses a keep off coal board can short-term test the coal return on the belt on earth and tentatively block the coal return and clean, and cleaning device thoroughly cleans remaining coal return, and the coal return protection is reliable, need not cut off the power supply and clean the maintenance at once at the equipment after detecting the coal return simultaneously, save time, simple structure, simple to operate has fine practicality.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a belt feeder coal recovery protection device which characterized in that: comprises a coal baffle plate, a pressure sensor arranged on the coal baffle plate and a cleaning device;
the coal blocking plate is fixedly connected to a machine tail frame at the front end of a machine tail roller of the belt conveyor, the bottom end of the coal blocking plate is a certain height above a bottom belt, and the extending direction of the coal blocking plate and the moving direction of the belt are inclined to form a certain angle;
the cleaning device comprises a supporting rod, a motor fixedly connected to the middle part below the supporting rod, a secondary telescopic rod fixedly connected with a rotating shaft of the motor, and a cleaning brush fixedly connected to the lower end of the secondary telescopic rod.
2. The belt conveyor coal return protection device according to claim 1, characterized in that: the support rod is fixedly connected with a coal feeder frame, the secondary telescopic rod comprises a primary rod and a secondary rod, a rectangular thread groove is formed in the primary rod, a sliding block matched with the rectangular thread groove is arranged at one end of the secondary rod, a spring is arranged between the primary rod and the secondary rod, one end of the spring is fixedly connected with the primary rod, and the other end of the spring is fixedly connected with the secondary rod;
when the motor is not started, the secondary rod contracts under the action of the elastic force of the spring, the bottom of the cleaning brush is a certain height away from the bottom belt, when the motor is started, the secondary rod extends out under the combined action of the centrifugal force and the acting force of the rectangular thread groove, and the bottom of the cleaning brush is contacted with the bottom belt.
3. The belt conveyor coal return protection device according to claim 1, characterized in that: the cleaning device is arranged above the bottom belt, and the bottom belt firstly passes through the coal baffle plate and then passes through the cleaning device during operation.
4. The belt conveyor coal return protection device according to claim 1, characterized in that: the pressure sensor is arranged in the middle of the coal baffle plate close to the side of the cleaning device.
5. The belt conveyor coal return protection device according to claim 1, characterized in that: the two ends of the coal baffle plate extend out of the bottom belt, so that the coal baffle plate can block coal falling on any position of the bottom belt.
6. The belt conveyor coal return protection device according to claim 1, characterized in that: the length of the cleaning brush is larger than 1/2 of the width of the bottom belt, so that the cleaning brush can contact the two ends of the bottom belt after rotating for a circle.
7. The belt conveyor coal return protection device according to claim 1, characterized in that: the belt conveyor coal return protection device is connected with an external electric power and electric power control system and an alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921384818.2U CN210682247U (en) | 2019-08-24 | 2019-08-24 | Belt feeder coal recovery protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921384818.2U CN210682247U (en) | 2019-08-24 | 2019-08-24 | Belt feeder coal recovery protection device |
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| Publication Number | Publication Date |
|---|---|
| CN210682247U true CN210682247U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921384818.2U Active CN210682247U (en) | 2019-08-24 | 2019-08-24 | Belt feeder coal recovery protection device |
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| CN (1) | CN210682247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573139A (en) * | 2020-11-30 | 2021-03-30 | 华能巢湖发电有限责任公司 | Protection device for foreign matter encountered by reciprocating belt conveyor |
-
2019
- 2019-08-24 CN CN201921384818.2U patent/CN210682247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573139A (en) * | 2020-11-30 | 2021-03-30 | 华能巢湖发电有限责任公司 | Protection device for foreign matter encountered by reciprocating belt conveyor |
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