CN114718633A - Guiding type self-discharging dust collecting and reducing device and method - Google Patents
Guiding type self-discharging dust collecting and reducing device and method Download PDFInfo
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- CN114718633A CN114718633A CN202210278757.1A CN202210278757A CN114718633A CN 114718633 A CN114718633 A CN 114718633A CN 202210278757 A CN202210278757 A CN 202210278757A CN 114718633 A CN114718633 A CN 114718633A
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- 239000000428 dust Substances 0.000 title claims abstract description 43
- 238000007599 discharging Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 claims abstract description 214
- 238000005507 spraying Methods 0.000 claims abstract description 29
- 239000002817 coal dust Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 239000003818 cinder Substances 0.000 description 13
- 238000005065 mining Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009323 psychological health Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention relates to a guide type self-discharging dust collecting and reducing device and a method, belonging to the field of lifting dust falling treatment of a hydraulic support of a coal mine, and comprising a main coal collecting groove arranged below the hydraulic support, wherein one side of the main coal collecting groove facing the hydraulic support is provided with a first notch for collecting coal along an axis, and two ends of the first notch are fixedly provided with hook rods for hooking the main coal collecting groove; the two hook hanging rods are respectively connected with the same hydraulic support through connecting pieces; one end of the main coal receiving groove is provided with a first automatic spraying device, the other end of the main coal receiving groove is rotatably connected with an auxiliary coal receiving groove, one side of the auxiliary coal receiving groove facing the hydraulic support is provided with a second notch for receiving coal along the axis, and one end of the auxiliary coal receiving groove far away from the main coal receiving groove is provided with a second automatic spraying device; the auxiliary coal receiving groove is connected with a hydraulic support connected with the main coal receiving groove through a self-discharging tension spring, and the first notch and the second notch are opposite to a gap between the two parallel hydraulic supports. The hydraulic support solves the technical problem that a large amount of dust is scattered to the whole operation space when the hydraulic support moves.
Description
Technical Field
The invention belongs to the field of coal mine hydraulic support lifting dust falling dust treatment, and particularly relates to a guide type self-discharging dust receiving and falling device and method.
Background
The hydraulic support column descending and frame moving dust production of the fully mechanized coal mining face under the coal mine is one of main dust sources of the fully mechanized coal mining face and is also a main dust source influencing physical and psychological health of operating personnel. The hydraulic supports are mainly used for supporting a top plate and providing a safe space for coal mining operation, the plurality of hydraulic supports are parallel to a coal mining surface and are connected in a side-by-side parallel mode, at the moment, an inclined section and a horizontal section of each hydraulic support form an operation space, so that an operator can carry out coal mining operation in the hydraulic support space, in reality, a gap of 40-120mm is formed between the connection positions of the two side-by-side hydraulic supports, the hydraulic supports need to move forwards along with the continuous advancing of the coal mining operation, a large amount of dust is generated and falls from the gaps at the two sides of the two hydraulic supports in the moving process, a large amount of support falling dust is formed to enter the operation space and gradually spreads to the whole operation space under the driving of wind flow of a working face, the operator is in the hydraulic support space, the support falling dust freely falls from the top of the head of the operator, and the normal operation of the operator is seriously influenced, threatens the safety production of mines and the physical and psychological health of operating personnel, and the hydraulic support falls, moves the frame and falls dust to develop the control urgently.
Some existing coal receiving tanks are respectively fixed on two hydraulic supports, and the whole coal receiving tank is twisted left and right when the supports move, and the amplitude is large; the coal receiving groove is required to be designed in a large area, so that the weight of one coal receiving groove reaches about 200Kg, the installation is difficult, coal falling from the parallel section of the support cannot be collected in use, and coal dust falling to a sidewalk is still large.
Disclosure of Invention
In view of the above, the present invention provides a guiding type self-discharging dust collecting and settling device and method, which solve the technical problem that a large amount of dust is scattered to the whole working space when a hydraulic support moves.
In order to achieve the purpose, the invention provides the following technical scheme:
a guide type self-discharging dust collecting and reducing device is positioned below a gap formed by two parallel hydraulic supports and comprises a main coal collecting groove arranged below the hydraulic supports, wherein one side, facing the hydraulic supports, of the main coal collecting groove is provided with a first notch for collecting coal dust along an axis, and two ends of the first notch are fixedly provided with hook rods for hooking the main coal collecting groove; two ends of the hook rod are fixedly connected with the inner side wall of the first notch; the two hook rods are respectively connected with the same hydraulic support through connecting pieces arranged on the two hook rods, and two hook points formed at the joint of the connecting pieces and the hook rods and the center of gravity of the main coal receiving groove are positioned in the same plane; one end of the main coal receiving groove is provided with a first automatic spraying device, the other end of the main coal receiving groove is rotatably connected with an auxiliary coal receiving groove, one side of the auxiliary coal receiving groove facing the hydraulic support is provided with a second notch for receiving coal dust along the axis, and one end of the auxiliary coal receiving groove far away from the main coal receiving groove is provided with a second automatic spraying device; the auxiliary coal receiving groove is connected with a hydraulic support connected with the main coal receiving groove through a self-discharging tension spring, and the first notch and the second notch are just opposite to a gap between the two parallel hydraulic supports.
Furthermore, the main coal receiving groove is provided with a first automatic spraying end and is further connected with a guide device for preventing the main coal receiving groove from deviating, the guide device is composed of two steel plates which are arranged oppositely, the two steel plates form a hollow guide rail with a Y-shaped cross section, one end of the hollow guide rail is an open end, the other end of the hollow guide rail is fixed on the main coal receiving groove, and a side shielding plate matched with the hollow guide rail is arranged on a hydraulic support corresponding to the open end of the hollow guide rail.
Furthermore, one end of the main coal receiving groove connected with the auxiliary coal receiving groove is provided with a limiting rod for limiting the downward rotation angle of the auxiliary coal receiving groove; and a limiting zipper for limiting the upward rotation angle of the auxiliary coal receiving groove is connected between the main coal receiving groove and the auxiliary coal receiving groove.
Furthermore, the connecting piece on the end, close to the first automatic spraying device, of the main coal receiving groove is an elastic connecting piece, and the connecting piece on the end, close to the auxiliary coal receiving groove, of the main coal receiving groove is a flexible connecting piece.
Furthermore, the angle between the main coal receiving groove and the horizontal plane when the main coal receiving groove is suspended is 65-75 degrees.
A guiding self-discharging dust collecting and reducing method is characterized in that a main coal receiving groove is provided with a first notch for receiving coal along the axis direction, and the main coal receiving groove is connected to the lower part of a hydraulic support through a connecting piece, so that the first notch is opposite to a gap at the joint of two parallel hydraulic supports; a first automatic spraying device for spraying water and reducing dust is arranged at one end, close to the ground, of the main coal receiving groove; one end of the main coal receiving groove, which is far away from the ground, is rotatably connected with an auxiliary coal receiving groove, and a second automatic spraying device for spraying water and reducing dust is arranged at one end of the auxiliary coal receiving groove, which is far away from the main coal receiving groove; the auxiliary coal receiving groove is connected with the hydraulic support through a self-discharging tension spring; and (3) arranging a second notch for coal receiving in the auxiliary coal receiving groove along the axis direction of the auxiliary coal receiving groove, so that the second notch is over against a gap at the joint of the two hydraulic supports.
Furthermore, a side shield plate is arranged on the hydraulic support, a guide device which is matched with the side shield plate to prevent the main coal receiving groove from deviating is arranged at one end, close to the ground, of the main coal receiving groove, the guide device is formed by welding two steel plates which are arranged oppositely, at the end part of the main coal receiving groove, and the two steel plates form a hollow guide rail with a Y-shaped section.
Furthermore, a limiting rod for limiting the downward excessive rotation of the auxiliary coal receiving tank is arranged at one end of the main coal receiving tank connected with the auxiliary coal receiving tank; and a limiting zipper used for limiting the auxiliary coal receiving groove to rotate upwards is connected between the main coal receiving groove and the auxiliary coal receiving groove.
Furthermore, one end of the main coal receiving groove, which is close to the first automatic spraying device, is connected with the hydraulic support by adopting an elastic connecting piece; one end of the main coal receiving groove close to the auxiliary coal receiving groove is connected with the hydraulic support through a flexible connecting piece.
Furthermore, two inverted V-shaped hook hanging rods are arranged in the first notch and are connected with the connecting piece through the hook hanging rods. The invention has the beneficial effects that:
the weight of the device is less than 50Kg, so that the device is more convenient to install; the center of two end parts of a main coal receiving groove is connected with a hydraulic support through a connecting piece, the installation can be completed only by two observation holes on the support, and the main coal receiving groove and an auxiliary coal receiving groove are positioned right below a gap of the two hydraulic supports, so that the dust collection of the inclined section and the horizontal section of the whole hydraulic support is realized; the coal receiving groove is only connected with one hydraulic support, so that the phenomenon that the coal receiving groove is twisted when the hydraulic support moves is avoided; the dust settling efficiency when the column falls and the frame moves can reach more than 95% under the action of the spray head, and the dust settling effect is obvious. And through the connection of the self-discharging tension spring, the coal dust in the auxiliary coal receiving groove is automatically collected and unloaded, so that the operation is more convenient.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first schematic view of a guiding type self-discharging dust collecting and settling device;
FIG. 2 is a second schematic diagram of a second operation of a guiding type self-discharging dust collecting and falling device;
FIG. 3 is a schematic view of a main coal receiving tank and an auxiliary coal receiving tank;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic cross-sectional view of the guide.
Reference numerals are as follows: the coal spraying device comprises a guide device 1, a first automatic spraying device 2, a connecting piece 3, a main coal receiving groove 4, a connecting piece 5, a self-discharging tension spring 6, a limiting rod 7, a limiting zipper 8, an auxiliary coal receiving groove 9, a second automatic spraying device 10, a side shield plate 11 and a hook rod 12.
Detailed Description
The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and the specific meaning of the terms described above will be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1-5, a guiding self-discharging dust collecting and falling device solves the problem of coal dust flying by installing the device under two side-by-side hydraulic supports. The coal receiving device comprises a main coal receiving groove 4 arranged below an inclined section of a hydraulic support, wherein one side of the main coal receiving groove 4 facing the hydraulic support is provided with a first notch for receiving coal along an axis, two ends of the first notch are fixedly provided with hook levers 12 for hooking the main coal receiving groove, the hook levers 12 are in an inverted V shape, the hook levers 12 at the two ends are respectively connected with observation holes on any same hydraulic support through a connecting piece 5 and a connecting piece 3, two hook points formed at the joint of the connecting piece 5 and the connecting piece 3 and the hook levers 12 are positioned in the same plane with the center of gravity of the main coal receiving groove, and the balance of the whole main coal receiving groove 4 can be ensured; and the included angle between the main coal receiving groove 4 and the horizontal plane is controlled to be 65-75 degrees, so that the main coal receiving groove can more conveniently receive the coal dust at the inclined section of the hydraulic support. The end portion, close to the ground, of the main coal receiving groove 4 is provided with the first automatic spraying device 2 and is used for wetting and settling coal dust, one end, close to the ground, of the main coal receiving groove 4 is further connected with a guide device 1 for preventing the main coal receiving groove 4 from deviating, the guide device 1 is welded on the main coal receiving groove 4 through two steel plates which are oppositely arranged, the two steel plates form a hollow guide rail with a Y-shaped cross section, one end of the hollow guide rail is an open end, the other end of the hollow guide rail is fixed on the main coal receiving groove, and a side shield plate 11 matched with the hollow guide rail is arranged on a hydraulic support corresponding to the open end of the hollow guide rail to limit the swing of the main coal receiving groove 4.
The other end of the main coal receiving groove 4 is rotatably connected with an auxiliary coal receiving groove 9, and a second notch for receiving coal is formed in one side, facing the hydraulic support, of the auxiliary coal receiving groove 9 along the axis; one end of the main coal receiving groove 4 connected with the auxiliary coal receiving groove 9 is provided with a limiting rod 7 for limiting the downward rotation angle of the auxiliary coal receiving groove 9; the limiting rod 7 is positioned on the opposite surface of the notch of the main coal receiving groove 4, a plurality of connecting holes are formed in the limiting rod 7, and the limiting rod 7 is connected with the main coal receiving groove 4 through different connecting holes, so that the length of the limiting rod 7 extending out of the main coal receiving groove 4 can be adjusted, and the downward rotating lower end angle of the auxiliary coal receiving groove 9 is adjusted; the main coal receiving groove 4 and the auxiliary coal receiving groove 9 are connected with a limiting zipper 8 for limiting the upward rotation angle of the auxiliary coal receiving groove 9, one end of the limiting zipper 8 is connected with the main coal receiving groove 4, the other end of the limiting zipper is connected with the middle part of the auxiliary coal receiving groove 9, and the upper end angle of the auxiliary coal receiving groove 9 is controlled. A second automatic spraying device 10 is arranged at one end of the auxiliary coal receiving groove 9 far away from the main coal receiving groove 4, and the middle position of the auxiliary coal receiving groove 9 is connected with the hydraulic support through a self-discharging tension spring 6, so that the auxiliary coal receiving groove 9 is hung below the horizontal section of the hydraulic support; and the first notch and the second notch are opposite to the gap at the joint of the two hydraulic supports.
Specifically, the connecting piece 3 that mainly connects coal groove 4 to be close to 2 one end of first automatic atomizer is elastic connection spare, what adopt in this embodiment is that being connected of zip fastener and extension spring forms elastic connection spare, can realize mainly connecing coal groove 4 automatic re-setting's function, and the main connecting piece 5 that connects coal groove 4 to be close to vice coal groove 9 one end is flexible connection spare, and what adopt in this embodiment is the zip fastener, can realize the swing of main spread groove, prevents the torsional damage of main spread groove. In the embodiment, one end of the self-discharging tension spring 6 is connected with the middle position of the auxiliary coal receiving groove 9, and the other end of the self-discharging tension spring is connected with the flexible zipper at the upper part of the connecting piece 5, so that the auxiliary coal receiving groove 9 is fixed and the dust and coal are automatically received and discharged.
The specific working principle of the method is that,
the guide type self-discharging dust collecting and reducing device is hung on any one of the two parallel hydraulic supports, so that the first notch and the second notch on the main coal receiving groove 4 and the auxiliary coal receiving groove 9 are opposite to the gap at the joint of the two hydraulic supports. When one hydraulic support falls and moves, the dust-containing coal cinder falling from the gap between the two hydraulic supports falls into the first notch of the main coal receiving groove 4 and the second notch of the auxiliary coal receiving groove 9; the cinder that falls into in the first notch slides under the action of gravity, and the cinder that strikes down makes first automatic spraying device 2 open, carries out the water spray dust fall to the coal dust that flies upward, and the coal dust after the moist falls to hydraulic support rear portion ground line, has prevented the coal dust pollution of pedestrian's crosswalk. The auxiliary coal receiving groove 9 is approximately in a horizontal state at the initial stage, the mass of the coal cinder falling into the auxiliary coal receiving groove 9 can be accumulated in a second notch of the auxiliary coal receiving groove 9 when the mass of the coal cinder does not reach the elastic force limit of the self-discharging tension spring 6, when the mass of the coal cinder is greater than the tensile force of the self-discharging tension spring 6, the auxiliary coal receiving groove 9 rotates and inclines towards one end provided with a second automatic spraying device 10, and at the moment, the limiting rod 7 at the bottom of the auxiliary coal receiving groove 9 can limit the downward rotating angle of the auxiliary coal receiving groove 9, so that when the mass of the coal cinder is too large, the phenomenon that the deformation of the self-discharging tension spring 6 of the auxiliary coal receiving groove 9 is too large to cause failure can not occur; the coal cinder slides out from the end part of the auxiliary coal receiving groove 9 provided with the second automatic spraying device 10, at the moment, the second automatic spraying device 10 is opened to spray water to wet and settle the sliding coal cinder, the wet and settled coal cinder falls into the mining face crossheading to prevent coal dust from flying upwards to the sidewalk to harm the physical and mental health of operators. The coal cinder in the auxiliary coal receiving groove 9 can be quickly rebounded under the action of a self-discharging spring after being unloaded, and when rebounded to a roughly horizontal position, the coal cinder is controlled by a limiting zipper 8 arranged at the lower part of the auxiliary coal receiving groove 9, so that the coal cinder is stably returned without collision damage of the auxiliary coal receiving groove 9 and a top beam of a hydraulic support, and the normal work of the auxiliary coal receiving groove 9 is ensured.
The coal collecting device is suspended on the same hydraulic support through the connecting piece 5 and the connecting piece 3, and the connecting piece 5 adopts a flexible zipper, so that the main coal collecting groove 4 can swing back and forth; the main coal receiving tank 4 is prevented from being damaged by torsion; the connecting piece 3 is connected by a zipper and a tension spring, and can realize the functions of stress lengthening and no external force automatic reset. When the hydraulic support of the invention is hung in a moving way, the hanging state of the main coal receiving tank 4 of the invention can not change greatly due to no external force, and when another parallel hydraulic support is moved; the side guard plate fixed on the hydraulic support gradually enters the Y-shaped hollow guide rail of the guide device 1, the side shield plate 11 entering the Y-shaped hollow guide rail side pushes the main coal receiving groove 4 forwards, and the thrust of the hydraulic support is concentrated on the central position of the axis of the main coal receiving groove 4 so as to prevent the main coal receiving groove 4 from colliding and deviating. When the two hydraulic supports are parallel, the tension spring of the connecting piece 3 is restored, and the whole device is in a natural hanging state again.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a direction formula self-discharging connects dirt dust device, is located under the gap that two hydraulic support side by side formed, its characterized in that: the coal dust collecting device comprises a main coal receiving groove arranged below a hydraulic support, wherein a first notch for receiving coal dust is formed in one side, facing the hydraulic support, of the main coal receiving groove along the axis, and hook rods for hooking the main coal receiving groove are fixedly arranged at two ends of the first notch; two ends of the hook rod are fixedly connected with the inner side wall of the first notch; the two hook rods are respectively connected with the same hydraulic support through connecting pieces arranged on the two hook rods, and two hook points formed at the joint of the connecting pieces and the hook rods and the center of gravity of the main coal receiving groove are positioned in the same plane; one end of the main coal receiving groove is provided with a first automatic spraying device, the other end of the main coal receiving groove is rotatably connected with an auxiliary coal receiving groove, one side of the auxiliary coal receiving groove facing the hydraulic support is provided with a second notch for receiving coal dust along the axis, and one end of the auxiliary coal receiving groove far away from the main coal receiving groove is provided with a second automatic spraying device; the auxiliary coal receiving groove is connected with a hydraulic support connected with the main coal receiving groove through a self-discharging tension spring, and the first notch and the second notch are just opposite to a gap between the two parallel hydraulic supports.
2. The guided self-discharging dust collecting and settling device of claim 1, wherein: the main coal receiving groove is provided with a first automatic spraying end and is further connected with a guide device for preventing the main coal receiving groove from deviating, the guide device is composed of two steel plates which are arranged oppositely, the two steel plates form a hollow guide rail with a Y-shaped cross section, one end of the hollow guide rail is an open end, the other end of the hollow guide rail is fixed on the main coal receiving groove, and a side shielding plate matched with the hollow guide rail is arranged on a hydraulic support corresponding to the open end of the hollow guide rail.
3. The guided self-discharging dust collecting and settling device of claim 1, wherein: one end of the main coal receiving groove connected with the auxiliary coal receiving groove is provided with a limiting rod for limiting the downward rotation angle of the auxiliary coal receiving groove; and a limiting zipper for limiting the upward rotation angle of the auxiliary coal receiving groove is connected between the main coal receiving groove and the auxiliary coal receiving groove.
4. The guided self-discharging dust collecting and settling device of claim 1, wherein: the connecting piece on the end, close to the first automatic spraying device, of the main coal receiving groove is an elastic connecting piece, and the connecting piece on the end, close to the auxiliary coal receiving groove, of the main coal receiving groove is a flexible connecting piece.
5. The guided self-discharging dust collecting and settling device of claim 1, wherein: the main coal receiving groove forms an included angle of 65-75 degrees with the horizontal plane when being hung.
6. A guide type self-discharging dust collecting and reducing method is characterized in that: the main coal receiving groove is provided with a first notch for receiving coal along the axis direction, and the main coal receiving groove is connected to the lower part of a hydraulic support through a connecting piece, so that the first notch is over against a gap at the joint of two parallel hydraulic supports; a first automatic spraying device for spraying water and reducing dust is arranged at one end, close to the ground, of the main coal receiving groove; one end of the main coal receiving groove, which is far away from the ground, is rotatably connected with an auxiliary coal receiving groove, and a second automatic spraying device for spraying water and reducing dust is arranged at one end of the auxiliary coal receiving groove, which is far away from the main coal receiving groove; the auxiliary coal receiving groove is connected with the hydraulic support through a self-discharging tension spring; and (3) arranging a second notch for coal receiving in the auxiliary coal receiving groove along the axis direction of the auxiliary coal receiving groove, so that the second notch is over against a gap at the joint of the two hydraulic supports.
7. The method for guiding self-discharging dust collection and reduction according to claim 6, wherein: the hydraulic support is provided with a side shield plate, one end of the main coal receiving groove close to the ground is provided with a guide device which is matched with the side shield plate to prevent the main coal receiving groove from deviating, the guide device is formed by welding two steel plates which are oppositely arranged at the end part of the main coal receiving groove, and the two steel plates form a hollow guide rail with a Y-shaped section.
8. The method for guiding self-discharging dust collection and reduction according to claim 6, wherein the method comprises the following steps: a limiting rod for limiting the downward rotation angle of the auxiliary coal receiving groove is arranged at one end of the main coal receiving groove connected with the auxiliary coal receiving groove; and a limiting zipper used for limiting the upward rotation angle of the auxiliary coal receiving groove is connected between the main coal receiving groove and the auxiliary coal receiving groove.
9. The method for guiding self-discharging dust collection and reduction according to claim 6, wherein the method comprises the following steps: one end of the main coal receiving groove, which is close to the first automatic spraying device, is connected with the hydraulic support by adopting an elastic connecting piece; one end of the main coal receiving groove close to the auxiliary coal receiving groove is connected with the hydraulic support through a flexible connecting piece.
10. The method for guiding self-discharging dust collection and reduction according to claim 6, wherein the method comprises the following steps: two inverted V-shaped hook rods are arranged in the first notch and are connected with the connecting piece through the hook rods.
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CN117248950A (en) * | 2023-10-17 | 2023-12-19 | 合肥合安智为科技有限公司 | Closed dust control and collection device of hydraulic support |
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2022
- 2022-03-17 CN CN202210278757.1A patent/CN114718633A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117248950A (en) * | 2023-10-17 | 2023-12-19 | 合肥合安智为科技有限公司 | Closed dust control and collection device of hydraulic support |
CN117248950B (en) * | 2023-10-17 | 2024-04-12 | 合肥合安智为科技有限公司 | Closed dust control and collection device of hydraulic support |
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