CN211598687U - Dust-settling device for feeding hole of wet type mining shotcrete machine - Google Patents
Dust-settling device for feeding hole of wet type mining shotcrete machine Download PDFInfo
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- CN211598687U CN211598687U CN202020061266.8U CN202020061266U CN211598687U CN 211598687 U CN211598687 U CN 211598687U CN 202020061266 U CN202020061266 U CN 202020061266U CN 211598687 U CN211598687 U CN 211598687U
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- shaped baffle
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Abstract
A dust fall device of a feeding hole of a wet type mining patching machine comprises a dust cover and a barrel type bushing, wherein the dust cover comprises a cover body, a filter sieve, an inclined baffle, a symmetrical inverted V-shaped baffle and an asymmetrical inverted V-shaped baffle, and the filter sieve is embedded in the upper end of the cover body; one end of the inclined baffle is fixed at the joint of the filter screen and the cover body, and the other end of the inclined baffle inclines downwards towards the direction of the barrel type lining; the top ends of the symmetrical inverted V-shaped baffles are fixed on the rotating shaft, and two ends of the central shaft of the rotating shaft are fixed on the inner wall of the cover body; the top end of the asymmetric inverted V-shaped baffle is fixed on the filter screen; and a locking gap is formed between the inclined baffle and the asymmetric inverted V-shaped baffle and between the symmetric inverted V-shaped baffle and the asymmetric inverted V-shaped baffle respectively. The device can prevent the slurry in the stirring box of the shotcrete machine from being raised on one hand, and reduce the dust concentration of the operation site of the shotcrete machine; on the other hand, when patching machine output line blockked up, the device can prevent that patching material from the patching machine material loading mouth blowout in the twinkling of an eye, prevents that spun thick liquids from causing the injury to operating personnel.
Description
Technical Field
The utility model relates to a patching machine field, concretely relates to mining patching machine material loading mouth dust device of wet formula.
Background
At present, a circular filter screen is arranged at a feeding port of a tidal shotcrete machine for a coal mine underground rock roadway, and the surface area of the circular filter screen is about 0.3m2Because the circular filter screen is directly opened to the upper space, when in guniting operation, the slurry in the stirring box of the guniting machine is easy to be lifted, so that the dust concentration of the operation site of the guniting machine is high, the air quality is poor, and the physical and mental health of operators is further influenced; in addition, the guniting material enters the output pipeline through the feeding hole and the abrasive plate which are right below the circular filter screen, and when the output pipeline of the guniting machine is blocked, the air pressing is not stopped in timeUnder the circumstances, the guniting material between feed inlet and the dull polish board can be in the twinkling of an eye from the patching machine material loading mouth blowout to the safety of patching machine material loading mouth operating personnel is endangered.
Disclosure of Invention
The utility model aims at providing a wet mining patching machine material loading mouth dust device, the device can reduce the exposed area of patching machine agitator tank and upper space on the one hand, thus prevent the thick liquids in the patching machine agitator tank from raising, and then reduce the dust concentration of the patching machine job site; on the other hand, when the output pipeline of the shotcrete machine is blocked, the device can prevent guniting from being instantly sprayed out of the feeding port of the shotcrete machine under the condition that the compressed air cannot be stopped, so that the operator is prevented from being injured by the sprayed guniting.
In order to achieve the purpose, the dust falling device comprises a dust cover and a barrel type bushing, wherein the dust cover comprises a cover body and a filter sieve, the upper port and the lower port of the cover body are both in a parallelogram shape, the filter sieve is embedded in the upper end of the cover body, and the filter sieve is lower than the edge of the upper port of the cover body; the barrel type bushing is provided with a central through hole in a parallelogram shape, the size of the central through hole is consistent with that of the lower port of the cover body, the bottom of the cover body is fixedly arranged on the barrel type bushing, and the cover body is communicated with the barrel type bushing; the dustproof cover further comprises an inclined baffle, a symmetrical inverted V-shaped baffle and an asymmetrical inverted V-shaped baffle, one end of the inclined baffle is fixed at the joint of the filter sieve and the cover body, and the other end of the inclined baffle inclines downwards towards the direction of the barrel type bushing; the top ends of the symmetrical inverted V-shaped baffles are fixed on the rotating shaft, and two ends of a central shaft of the rotating shaft are fixed on the inner wall of the cover body; the top end of the asymmetric inverted V-shaped baffle is fixed on the filter screen; form the fore shaft gap between oblique baffle and the asymmetric type of falling V baffle, form movable fore shaft gap between the symmetric type of falling V baffle and the asymmetric type of falling V baffle, oblique baffle, symmetric type of falling V baffle and asymmetric type of falling V baffle contact with the inner wall of the cover body respectively.
Preferably, the included angle between the shielding plate and the filter screen is 25-35 degrees.
Preferably, the filter screen is 3-5 cm lower than the edge of the upper port of the cover body.
Preferably, the cover body is in an inverted trapezoid shape, and the open area of the upper port of the cover body is larger than that of the lower port of the cover body.
Preferably, the cover body and the barrel type bushing are welded into an integral structure.
The utility model arranges the inclined baffle, the asymmetric inverted V-shaped baffle and the symmetric inverted V-shaped baffle in the cover body of the dust cover, and the three baffles basically block the stirring box of the shotcrete machine when seen from the upper part; in addition, when the guniting operation is carried out, after concrete materials are firstly filtered, one part of the concrete materials can pass through a locking gap between the inclined baffle and the asymmetric inverted V-shaped baffle and fall into the stirring box of the guniting machine, the other part of the concrete materials fall onto the symmetric inverted V-shaped baffle, the symmetric inverted V-shaped baffle swings left and right due to the fact that the symmetric inverted V-shaped baffle touches the symmetric inverted V-shaped baffle, the concrete materials can easily pass through a movable locking gap formed between the symmetric inverted V-shaped baffle and the asymmetric inverted V-shaped baffle and fall into the stirring box of the guniting machine, after the concrete materials pass through the symmetric inverted V-shaped baffle, the symmetric inverted V-shaped baffle returns to the original state, and dust raised in the stirring box of the gunitin.
The utility model discloses an aspect can reduce the exposure area of patching machine agitator tank and upper portion space to prevent that the thick liquids in the patching machine agitator tank from raising, and then reduce the dust concentration of patching machine operation scene, improve on-the-spot air quality, alleviate the occupational hazard to the operating personnel; on the other hand, can shelter from the feed port of patching machine under, when patching machine output line blockked up, in the time of coming not to stop to press under the condition of wind, the device can prevent that the patching material from in the twinkling of an eye from patching machine material feed opening blowout to prevent that spun thick liquids from causing the injury to operating personnel. Compared with the prior art, the utility model discloses reduced the dust concentration of patching machine job site by a wide margin, and simple structure, easily make, be fit for using widely in the patching machine field.
Drawings
Fig. 1 is a schematic three-dimensional split view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention;
in the figure: 1. the dust cover comprises, by weight, 1-1 parts of a dust cover body, 1-2 parts of a filter screen, 1-3 parts of an inclined baffle, 1-4 parts of a symmetrical inverted V-shaped baffle, 1-5 parts of an asymmetrical inverted V-shaped baffle, 1-6 parts of a rotating shaft, 2 parts of a barrel type bushing, 2-1 parts of a central through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The dust fall device for the feeding hole of the wet type mining slurry spraying machine shown in fig. 1 to 3 comprises a dust cover 1 and a barrel type bushing 2, wherein the dust cover 1 comprises a cover body 1-1 and a filter screen 1-2, the upper port and the lower port of the cover body 1-1 are both parallelogram, the filter screen 1-2 is embedded in the upper end of the cover body 1-1, the filter screen 1-2 can filter out large impurities in slurry, the filter screen 1-2 is lower than the edge of the upper port of the cover body 1-1, and when slurry is added into the feeding hole, the slurry can be prevented from leaking; the barrel type bushing 2 is provided with a central through hole 2-1 in a parallelogram shape, the size of the central through hole 2-1 is consistent with that of the lower port of the cover body 1-1, the bottom of the cover body 1-1 is fixedly arranged on the barrel type bushing 2, and the cover body 1-1 is communicated with the barrel type bushing 2;
the dust cover 1 further comprises an inclined baffle 1-3, a symmetrical inverted V-shaped baffle 1-4 and an asymmetrical inverted V-shaped baffle 1-5, one end of the inclined baffle 1-3 is fixed at the joint of the filter screen 1-2 and the cover body 1-1, and the other end of the inclined baffle is inclined downwards towards the direction of the barrel type bushing 2; the top ends of the symmetrical inverted V-shaped baffles 1-4 are fixed on the rotating shafts 1-6, two ends of a central shaft of the rotating shafts 1-6 are fixed on the inner wall of the cover body 1-1, and the symmetrical inverted V-shaped baffles 1-4 swing left and right in a pendulum mode under the action of external force; the top end of the asymmetric inverted V-shaped baffle 1-5 is fixed on the filter screen 1-2; a locking gap is formed between the inclined baffle plate 1-3 and the asymmetric inverted V-shaped baffle plate 1-5, a movable locking gap is formed between the symmetric inverted V-shaped baffle plate 1-4 and the asymmetric inverted V-shaped baffle plate 1-5, and the inclined baffle plate 1-3, the symmetric inverted V-shaped baffle plate 1-4 and the asymmetric inverted V-shaped baffle plate 1-5 are respectively contacted with the inner wall of the cover body 1-1.
In order to enable the slurry to smoothly fall into the feeding hole and simultaneously prevent the slurry from being instantly sprayed out of the feeding hole of the slurry spraying machine when the output pipeline of the slurry spraying machine is blocked, the inclined baffle 1-3 and the filter screen 1-2 form an included angle of 25-35 degrees.
When slurry is added into the feeding hole, in order to prevent the slurry from leaking, the filter screen 1-2 is 3-5 cm lower than the edge of the upper port of the cover body 1-1.
In order to make the device capable of containing more slurry, the cover body 1-1 is in an inverted trapezoid shape, and the upper port of the cover body 1-1 has a larger opening area than the lower port.
In order to make the device more stable in use, the cover body 1-1 and the barrel type bushing 2 are welded into a whole structure.
When in use, the barrel type lining 2 of the device is embedded into the barrel type material loading port of the guniting machine during guniting operation.
The utility model discloses compare with the current circular filter sieve of installing on the material loading mouth of patching machine, it is less than 0.3dm to the direct open area in upper portion space2The dust to the patching machine agitator tank plays effectual isolation, and three kinds of baffles in the device shelter from the feed port of patching machine under, play fine guard action. Through detection, the original machine guniting operation is adopted, and the concentration range of dust at the machine opening is 2.6-35.8 mg/m3In the guniting operation time period, the dust concentration is in violation of the regulation of the operation regulations most of the time. Adopt the utility model discloses after the on-the-spot installation is used, under equal whitewashing construction condition, through detecting, machine mouthful dust concentration is nearly zero, and whitewashing machine mouthful dust obviously reduces, does not reach 4mg/m at any time point machine mouthful dust concentration3Is measured.
Claims (5)
1. A dust fall device of a feeding hole of a wet type mining patching machine comprises a dust cover (1) and a barrel type bushing (2), wherein the dust cover (1) comprises a cover body (1-1) and a filter sieve (1-2), the upper port and the lower port of the cover body (1-1) are both parallelogram, the filter sieve (1-2) is embedded in the upper end of the cover body (1-1), and the filter sieve (1-2) is lower than the edge of the upper port of the cover body (1-1); the barrel type bushing (2) is provided with a central through hole (2-1) in a parallelogram shape, the size of the central through hole (2-1) is consistent with that of the lower port of the cover body (1-1), the bottom of the cover body (1-1) is fixedly arranged on the barrel type bushing (2), and the cover body (1-1) is communicated with the barrel type bushing (2);
the dustproof cover is characterized in that the dustproof cover (1) further comprises an inclined baffle (1-3), a symmetrical inverted V-shaped baffle (1-4) and an asymmetrical inverted V-shaped baffle (1-5), one end of the inclined baffle (1-3) is fixed at the joint of the filter screen (1-2) and the cover body (1-1), and the other end of the inclined baffle inclines downwards towards the direction of the barrel-type bushing (2); the top ends of the symmetrical inverted V-shaped baffles (1-4) are fixed on the rotating shafts (1-6), and two ends of a central shaft of each rotating shaft (1-6) are fixed on the inner wall of the cover body (1-1); the top end of the asymmetric inverted V-shaped baffle (1-5) is fixed on the filter screen (1-2); a locking gap is formed between the inclined baffle (1-3) and the asymmetric inverted V-shaped baffle (1-5), a movable locking gap is formed between the symmetric inverted V-shaped baffle (1-4) and the asymmetric inverted V-shaped baffle (1-5), and the inclined baffle (1-3), the symmetric inverted V-shaped baffle (1-4) and the asymmetric inverted V-shaped baffle (1-5) are respectively contacted with the inner wall of the cover body (1-1).
2. The mining patching machine feed inlet dust device of claim 1 of tide, characterized in that: the included angle between the inclined baffle (1-3) and the filter screen (1-2) is 25-35 degrees.
3. The dust fall device of the feeding port of the wet-type mining shotcrete machine according to claim 1 or 2, characterized in that: the filter sieve (1-2) is lower than the edge of the upper port of the cover body (1-1) by 3-5 cm.
4. The dust fall device of the feeding port of the wet-type mining shotcrete machine according to claim 1 or 2, characterized in that: the cover body (1-1) is in an inverted trapezoid shape, and the area of an upper port of the cover body (1-1) is larger than that of an opening of a lower port.
5. The dust fall device of the feeding port of the wet-type mining shotcrete machine according to claim 1 or 2, characterized in that: the cover body (1-1) and the barrel type bushing (2) are welded into an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020061266.8U CN211598687U (en) | 2020-01-13 | 2020-01-13 | Dust-settling device for feeding hole of wet type mining shotcrete machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020061266.8U CN211598687U (en) | 2020-01-13 | 2020-01-13 | Dust-settling device for feeding hole of wet type mining shotcrete machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211598687U true CN211598687U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020061266.8U Active CN211598687U (en) | 2020-01-13 | 2020-01-13 | Dust-settling device for feeding hole of wet type mining shotcrete machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211598687U (en) |
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2020
- 2020-01-13 CN CN202020061266.8U patent/CN211598687U/en active Active
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