CN115573746A - Multi-channel filling hydraulic support system suitable for thin coal seam - Google Patents
Multi-channel filling hydraulic support system suitable for thin coal seam Download PDFInfo
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- CN115573746A CN115573746A CN202211138769.0A CN202211138769A CN115573746A CN 115573746 A CN115573746 A CN 115573746A CN 202211138769 A CN202211138769 A CN 202211138769A CN 115573746 A CN115573746 A CN 115573746A
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- 239000002002 slurry Substances 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
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- 239000011440 grout Substances 0.000 claims description 6
- 238000005065 mining Methods 0.000 abstract description 18
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- 238000002955 isolation Methods 0.000 description 4
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- 230000006870 function Effects 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- 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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
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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
-
- 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
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the technical field of mining machinery, in particular to a multichannel filling hydraulic support system suitable for a thin coal seam, which comprises: the hydraulic support comprises a top beam and a base structure, the base structure comprises a first base and a second base which are symmetrically arranged, and a first pedestrian passage with an open gear is formed between the first base and the second base; the first pedestrian passageway, a second pedestrian passageway at the front end of the base structure and a third pedestrian passageway at the rear end of the base structure form an H-shaped pedestrian passageway; when a plurality of the hydraulic supports are arranged in the working space, a plurality of the H-shaped pedestrian passages form a multi-channel pedestrian space. According to the invention, under the condition of reducing the overall geometric dimension of the hydraulic support, multiple H-shaped pedestrian passages are respectively formed in the hydraulic support, so that the ventilation area is increased, and people can conveniently enter the operation area of the filling area from the working surface.
Description
Technical Field
The invention relates to the technical field of mining machinery, in particular to a multi-channel filling hydraulic support system suitable for a thin coal seam.
Background
Along with the development of cognition on mine resources, the coal mining of China gradually advances from a rough type to an intensive type, as more and more mines are easy to mine medium-thickness coal seam resources close to exhaustion, and the incomplete statistical result of important coal mines in China shows that the reserve of 'under three' coal seam (coal under railways, water bodies and buildings) is about 130 hundred million tons, so that the service life of the mines is prolonged, and the release of a large amount of coal resources of the 'under three' coal seam is a very urgent strategic task of the coal industry and is also listed as an important technological attack and shut-off project by the nation.
Because the thin coal seam working face is low in mining height, small in space, difficult to guarantee a ventilation section, pedestrian air crash, large in investment, slow in effect, high in labor intensity of workers, low in safety coefficient, low in filling rate, low in mechanization degree, difficult to install filling equipment and large in manpower requirement, and coal mining practitioners are increasingly reduced. Research and development of thin seam filling mining equipment has a very important role in improving filling rate, reducing labor intensity of workers, mining 'three times' coal pressing, realizing safe and efficient mining and solving the problem of surface change caused by mining.
Therefore, how to solve the ventilation and pedestrian space in the limited space by the thin coal seam filling working face, the filling rate is improved, the labor intensity is reduced, the safety factor is enhanced, and the investment is reduced, which becomes a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In order to solve the technical problems of limited space of a filling working surface of a thin coal seam, limited ventilation cross section and pedestrian space and low filling rate in the prior art, one embodiment of the invention provides a multi-channel filling hydraulic support system suitable for the thin coal seam, which comprises:
a plurality of hydraulic supports arranged in the working space, wherein the hydraulic supports comprise a top beam and a base structure,
the base structure comprises a first base and a second base which are symmetrically arranged, and a first pedestrian passage with an opening is formed between the first base and the second base;
the first pedestrian passageway, a second pedestrian passageway at the front end of the base structure and a third pedestrian passageway at the rear end of the base structure form an H-shaped pedestrian passageway;
when a plurality of the hydraulic supports are arranged in the working space, a plurality of the H-shaped pedestrian passages form a multi-channel pedestrian space.
In a preferred embodiment, a first guide rod is arranged between the top beam and the first base, and a second guide rod is arranged between the top beam and the second base.
In a preferred embodiment, the first base comprises a first base front pillar mounted in the first base front pillar pocket and a first base rear pillar mounted in the first base rear pillar pocket;
and a first guide sleeve box body is welded between the first base front column nest and the first base rear column nest.
In a preferred embodiment, a first guide rod is arranged between the first guide sleeve box body and the top beam.
In a preferred embodiment, the second base comprises a second base front upright and a second base rear upright, the second base front upright is mounted in the second base front upright socket, and the second base rear upright is mounted in the second base rear upright socket;
and a second guide sleeve box body is welded between the second base front upright nest and the second base rear upright nest.
In a preferred embodiment, a second guide rod is arranged between the second guide sleeve box body and the top beam.
In a preferred embodiment, the hydraulic support further comprises a planker and a fender box body;
one side of the carriage is hinged to the rear end of the base structure, the other side of the carriage is hinged to the box body of the slurry baffle plate, and the carriage is hinged to a height-adjusting jack;
the angle between the box body of the pulp blocking plate and the planker is adjusted through the height adjusting jack, so that the height of the box body of the pulp blocking plate is adjusted.
In a preferred embodiment, a first telescopic baffle plate and a second telescopic baffle plate are arranged in the baffle plate box body,
the first telescopic slurry baffle and the second telescopic slurry baffle are driven by a first telescopic jack to extend out of or retract into the slurry baffle box body.
In a preferred embodiment, the first telescopic fender and/or the second telescopic fender are connected with the fender assemblies, and a fourth pedestrian path is formed between the fender assemblies of two adjacent hydraulic supports.
In a preferred embodiment, a second telescopic jack is arranged between the slurry baffle assemblies of the two adjacent hydraulic supports, and the second telescopic jack supports or removes the mold for the slurry baffle assemblies of the two adjacent hydraulic supports.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the invention provides a multi-channel filling hydraulic support system suitable for a thin coal seam, which effectively solves the problems of small space of a working surface of the thin coal seam and difficulty in walking; the equipment has small geometric size and light total weight, and is convenient to install and retract; hydraulic control of a region to be filled is quickly sealed, an observation channel can be formed, manual construction of an isolation diaphragm plate is omitted, human injury accidents are reduced, the branch diaphragm filling efficiency is higher, and filling is more sufficient; the rear hydraulically-controlled slurry baffle plate assembly template can adjust the size of a grouting filling range according to underground industrial and mining condition changes, effectively saves grouting amount, reduces filling cost, is energy-saving and environment-friendly, and is more suitable for filling safe and efficient mining of a thin coal seam.
The invention provides a multi-channel filling hydraulic support system suitable for a thin coal seam. According to the invention, under the condition of reducing the overall geometric dimension of the hydraulic support, multiple H-shaped pedestrian passages are formed in the hydraulic support respectively, so that the ventilation area is increased, and people can conveniently enter the operation area of the filling area from the working surface.
The invention provides a multi-channel filling hydraulic support system suitable for a thin coal seam, which has the advantages of simple structure, complete functions, easy operation, small overall geometric dimension and large pedestrian space and ventilation section, not only meets the support requirements of a working face, realizes full working face filling or any area filling, solves the problems of small working face space of the thin coal seam and incapability of realizing mechanization, automation and intellectualization, and effectively reduces the labor intensity of workers and the number of workers.
The invention provides a multi-channel filling hydraulic support system suitable for a thin coal seam, all functions are completed through operation of a hydraulic system, manual operation can be performed manually, intelligent operation can be performed in a remote control mode, and unattended remote intelligent operation can also be performed. Can be applied to paste filling or slip casting filling coal mining process. The coal mining method has the advantages of greatly reducing manual work, realizing automatic or intelligent thin coal seam filling and coal mining, improving coal mining efficiency, filling according to needs, saving cost, being light in integrated design and reducing purchase cost.
The invention provides a multi-channel filling hydraulic support system suitable for a thin coal seam, which is support equipment for realizing multi-channel hydraulic-control quick formwork isolation, quick filling and hydraulic-control quick demoulding, and is suitable for filling a gob by using paste cement compounds such as cement mortar, gangue mortar and the like.
The invention provides a multi-channel filling hydraulic support system suitable for a thin coal seam, which can form H-shaped pedestrian channels between a front upright post and a left upright post and between a right upright post and a rear upright post after a base structure is hinged with a top beam, is convenient for personnel to walk from a coal mining working area in front of a frame to a filling working area behind the frame, and also effectively increases a ventilation section. The filling isolation sealing surface part is formed, all the slurry blocking plates are controlled by the control valve to stretch out and draw back by the jack, manual operation can be performed, intelligent operation can be performed in a remote control mode, unattended remote intelligent operation can also be performed, and the manual work for building an isolation template is cancelled.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hydraulic support of a multi-channel filling hydraulic support system for a thin coal seam according to an embodiment of the invention.
FIG. 2 is a schematic view of the hinge joint of the carriage and the casing of the baffle plate in one embodiment of the invention.
Fig. 3 is a schematic view of a fender assembly according to an embodiment of the invention.
Fig. 4 is a top view of a hydraulic support of a multi-channel hydraulic support system for a thin coal seam according to an embodiment of the present invention.
FIG. 5 is a top view of the hinge of the carriage and the fender housing in one embodiment of the invention.
Fig. 6 is a schematic view of a multi-channel hydraulic rack system for thin coal seams deployed in a workspace in accordance with one embodiment of the present invention.
FIG. 7 is a schematic illustration of a fourth walkway formed between the fender assemblies of two hydraulic supports arranged adjacent to each other in one embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to solve the problems of limited space of a filling working surface of a thin coal seam, limited ventilation cross section and pedestrian space and low filling rate, the embodiment of the invention provides a multi-channel filling hydraulic support system suitable for the thin coal seam. Fig. 1 is a schematic structural view of a hydraulic support of a multichannel hydraulic support system for filling in a thin coal seam according to an embodiment of the present invention, fig. 2 is a schematic structural view of a carriage and a casing of a fender in an embodiment of the present invention, and fig. 3 is a schematic structural view of a fender assembly in an embodiment of the present invention. The hydraulic support comprises a top beam 1, a base structure 2, a pushing rod 4, a planker 7, a heightening jack 8, a pulp baffle box body 9 and a pulp baffle assembly 12.
In the following embodiments, the left side in the drawings is the front end of the hydraulic support system or the hydraulic support, and the right side in the drawings is the rear end of the hydraulic support system or the hydraulic support.
Referring to fig. 4, which is a top view of a hydraulic support of a multi-channel filling hydraulic support system for a thin coal seam according to an embodiment of the present invention, and referring to fig. 5, which is a top view of a carriage and a casing of a deflector according to an embodiment of the present invention, referring to fig. 1 to 5, according to an embodiment of the present invention, a base structure 2 includes a first base 201 and a second base 201' that are symmetrically arranged, a first guide rod 3 is arranged between a top beam 1 and the first base 201, and a second guide rod 3' is arranged between the top beam 1 and the second base 201 '.
The first base 201 comprises a first base front column 5 and a first base rear column 6, the first base front column 5 is installed in the first base front column nest, and the first base rear column 6 is installed in the first base rear column nest.
The top of the first base front upright 5 and the first base rear upright 6 are connected to the top beam 1. A first guide sleeve box body 202 is welded between the first base front upright post nest and the first base rear upright post nest, and a first guide rod 3 is arranged between the first guide sleeve box body 202 and the top beam 1. Specifically, the first guide bar 3 is inserted into the first guide sleeve box 202, and the top of the first guide bar 3 is connected to the top beam 1 and can slide up and down.
The first base 201 and the second base 201 'are symmetrical, and similarly, the second base 201' includes a second base front pillar and a second base rear pillar, the second base front pillar is installed in the second base front pillar nest, and the second base rear pillar is installed in the second base rear pillar nest.
The top of the second base front upright and the second base rear upright are connected to the top beam 1. A second guide sleeve box body is welded between the second base front upright post nest and the second base rear upright post nest, and a second guide rod 3' is arranged between the second guide sleeve box body and the top beam 1. Specifically, the second guide bar 3 'is inserted into the second guide-sleeve box, and the top of the second guide bar 3' is connected with the top beam 1 and can slide up and down.
In some preferred embodiments, the first guide bar 3 and the second guide bar 3' may determine to use the primary guide bar structure or the secondary guide bar mechanism and the tertiary guide bar mechanism according to the expansion ratio of the hydraulic bracket supporting height range.
In some preferred embodiments, the front end of the first base 201 and the front end of the second base 201 'are welded to be integrated by a gantry, and the rear ends of the first base 201 and the second base 201' are welded to be integrated by the gantry.
In some preferred embodiments, the first guide bar 3, the first base front pillar 5 and the first base rear pillar 6 provided on the first base 201 are perpendicular to the top beam 1. The second guide rod 3', the second base front column and the second base rear column on the second base 201' are all perpendicular to the top beam 1.
In the implementation of the invention, in the hydraulic support structure, four upright posts are hinged between the top beam 1 and the base structure 2; two guide rods are hinged between the top beam 1 and the base structure 2.
According to the embodiment of the present invention, the first pedestal 201 and the second pedestal 201 'form an open first walkway a, that is, a space is formed between the first pedestal 201 and the second pedestal 201', and the space is the first walkway a.
The base structure 2 has a second walkway B at the front, i.e. the front ends of the first base 201 and the second base 202 form the second walkway B, and the base structure 2 has a third walkway C at the rear end, i.e. the rear ends of the first base 201 and the second base 202 form the third walkway C.
The first pedestrian passageway A, a second pedestrian passageway B at the front end of the base structure 2 and a third pedestrian passageway C at the rear end of the base structure 2 form an H-shaped pedestrian passageway.
According to the embodiment of the invention, the hydraulic support further comprises a planker 7 and a fender box 9. One side of the carriage 7 is hinged to the rear end of the base structure 2, and the other side of the carriage 7 is hinged to a pulp baffle box body 9. The carriage 7 has a function of supporting the grout blocking box 9 and moving together with the hydraulic support.
The neutral area at the front end of the base structure 2 is connected with a pushing rod 4, the inner sides of the first base 201 and the second base 201' are provided with slide ways, the pushing rod 4 can be attached to the slide ways on the inner sides of the first base 201 and the second base 201', and the neutral area between the first base 201 and the second base 201' can slide and walk. The pushing rod 4 is connected with a pushing jack, and the pushing rod 4 is pushed to move through the pushing jack, so that the front end of the hydraulic support is pushed to move the scraper conveyor.
In some preferred embodiments, the carriages 7 are hinged to the rear end of the first base 201 and to the rear end of the second base 201' of the base structure 2, respectively, for example the carriages 7 are hinged to the first guide bush box 202 and to the second guide bush box, respectively.
According to the embodiment of the invention, the planker 7 is hinged with a height-adjusting jack 8, and a telescopic rod of the height-adjusting jack 8 is connected to a box 9 of the pulp stopping plate. The angle between the slurry baffle box body 9 and the planker 7 is adjusted through the heightening jack 8, so that the height of the slurry baffle box body 9 is adjusted, the slurry baffle box body 9 is enabled to be abutted to the top of the mined-out area, and a sealing surface is formed.
When the planker 7 and the baffle box body 9 form an angle of 90 degrees, the height of the baffle box body 9 is equal to the highest supporting height of the hydraulic support. After grouting and filling are finished in a filling area at the rear end of the box body of the grout baffle, the heightening jack 8 stretches and retracts to finish rapid demoulding.
A first telescopic baffle plate 10 and a second telescopic baffle plate are arranged in the baffle plate box body 9. In the embodiment of the invention shown in the attached fig. 4 and 5, the lower telescopic baffle is the first telescopic baffle 10, and the upper telescopic baffle is the second telescopic baffle.
The first telescopic baffle plate 10 and the second telescopic baffle plate are driven by a first telescopic jack 11 to extend out of or retract into the baffle plate box body 9.
After the first telescopic slurry baffle 10 and the second telescopic slurry baffle are completely opened, the width of the first telescopic slurry baffle is larger than the center distance of the hydraulic support, so that the formation of a filling sealing surface is ensured.
According to an embodiment of the invention, the sides of the first 10 and/or second telescoping paddles are connected to a paddle assembly 12. Specifically, a plurality of hinge holes are left on the side surfaces of the first telescopic baffle 10 and the second telescopic baffle for installing the baffle assembly 12 on the side surfaces of the first telescopic baffle 10 and the second telescopic baffle.
In some preferred embodiments, the plurality of hinged holes on the side of the first telescopic baffle 10 and the second telescopic baffle are equidistant round holes, and the baffle assembly 12 is installed as required.
When the height of the paddle box 9 is adjusted by the height-adjusting jack 8, the paddle assembly 12 is pushed to twist (as indicated by a double arrow ab in fig. 3), so that the height of the paddle assembly 12 is adjusted.
Fig. 6 is a schematic view showing that a multichannel filling hydraulic support system suitable for a thin coal seam is arranged in an operation space according to an embodiment of the invention, and fig. 7 is a schematic view showing that a fourth pedestrian path is formed between the baffle plate assemblies of two hydraulic supports arranged adjacently according to an embodiment of the invention.
In the embodiment, four hydraulic supports are exemplarily arranged in the working space, namely, a first hydraulic support 100, a second hydraulic support 200, a third hydraulic support 300, and a fourth hydraulic support 400. The four H-shaped pedestrian channels of the four hydraulic supports form a multi-channel pedestrian space, namely a second pedestrian channel B, a third pedestrian channel C and four first pedestrian channels A between the second pedestrian channel B and the third pedestrian channel C.
In this embodiment, according to the mining condition of the mining area, the first retractable fender 10 and the second retractable fender on both sides of the fender box 9 of the first hydraulic support 100 are extended out. The second flexible fender of the fender box 9 of the second hydraulic support 200 extends out and is abutted against the first flexible fender 10 extending out of the fender box 9 of the first hydraulic support 100.
And extending out the first telescopic slurry baffles 10 and the second telescopic slurry baffles at two sides of the slurry baffle box body 9 of the fourth hydraulic support 400. The first telescopic fender 10 of the fender box 9 of the third hydraulic support 300 extends out and is abutted against the second telescopic fender extending out of the fender box 9 of the fourth hydraulic support 400.
The first flexible fender 10 of the fender box 9 of second hydraulic support 200 installs fender subassembly 12, the flexible fender installation fender subassembly 12 of the second of the fender box 9 of third hydraulic support 300, form fourth pedestrian passageway D between the fender subassembly 12 of two hydraulic support of adjacent arrangement, form fourth pedestrian passageway D between the fender subassembly 12 of second hydraulic support 200 and third hydraulic support 300 promptly, make things convenient for the current observation of personnel and old top to maintain.
The fender casing 9 of the first hydraulic mount 100, the fender casing 9 of the second hydraulic mount 200, and the fender assembly 12 mounted on the second hydraulic mount 200 form a fill area.
The fender box 9 of the fourth hydraulic mount 400, the fender box 9 of the third hydraulic mount 300, and the fender assembly 12 mounted on the third hydraulic mount 300 form a fill area.
According to the embodiment of the invention, a second telescopic jack 13 is arranged between the baffle plate assemblies 12 of two adjacent hydraulic supports, and the baffle plate assemblies 12 of the two adjacent hydraulic supports are supported or removed by the second telescopic jack 13. In some preferred embodiments, the second telescopic jacks 13 are arranged in three, four or more, as the case may be.
In some specific embodiments, the grout blocking plate assembly 12 is limited and fixed by arranging beams and columns at the front end and the rear end, grouting holes are arranged on the grout blocking plate assembly 12, and grouting filling is performed on the filling area through the grouting holes.
In some embodiments, the inner side of the assembly 12 is suspended vertically by a scale-like steel plate to ensure that the assembly 12 remains sealed as the grouting level changes.
In some preferred embodiments, the first telescopic jack 11 and the second telescopic jack 13 are matched to realize quick support during grouting and quick demoulding after grouting is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A multi-channel, pack hydraulic mount system for a thin coal seam, the hydraulic mount system comprising:
a plurality of hydraulic supports arranged in the working space, wherein the hydraulic supports comprise a top beam and a base structure,
the base structure comprises a first base and a second base which are symmetrically arranged, and a first pedestrian passage with an opening is formed between the first base and the second base;
the first pedestrian passageway, a second pedestrian passageway at the front end of the base structure and a third pedestrian passageway at the rear end of the base structure form an H-shaped pedestrian passageway;
when a plurality of the hydraulic supports are arranged in the working space, a plurality of the H-shaped pedestrian passages form a multi-channel pedestrian space.
2. The hydraulic mount system of claim 1, wherein a first guide rod is disposed between the top beam and the first base, and a second guide rod is disposed between the top beam and the second base.
3. The hydraulic mount system of claim 2, wherein the first mount includes a first mount front post and a first mount rear post, the first mount front post mounted within the first mount front post pocket and the first mount rear post mounted within the first mount rear post pocket;
and a first guide sleeve box body is welded between the first base front column nest and the first base rear column nest.
4. The hydraulic mount system of claim 3, wherein a first guide rod is disposed between the first guide sleeve housing and the top beam.
5. The hydraulic mount system of claim 2, wherein the second mount includes a second mount front post and a second mount rear post, the second mount front post mounted within a second mount front post pocket and the second mount rear post mounted within a second mount rear post pocket;
and a second guide sleeve box body is welded between the second base front upright nest and the second base rear upright nest.
6. The hydraulic mount system of claim 5, wherein a second guide bar is disposed between the second guide sleeve housing and the top beam.
7. The hydraulic mount system of claim 1, further comprising a carriage and a kicker box;
one side of the planker is hinged to the rear end of the base structure, the other side of the planker is hinged to the box body of the planker, and a height-adjusting jack is hinged to the planker;
the angle between the box body of the pulp blocking plate and the planker is adjusted through the height adjusting jack, so that the height of the box body of the pulp blocking plate is adjusted.
8. The hydraulic mount system of claim 7, wherein a first telescoping fender and a second telescoping fender are built into the fender housing,
the first telescopic slurry baffle and the second telescopic slurry baffle are driven by a first telescopic jack to extend out of or retract into the slurry baffle box body.
9. The hydraulic mount system according to claim 8, wherein the first and/or second telescoping paddles connect the paddle assemblies, the paddle assemblies of two adjacent hydraulic mounts forming a fourth walkway between them.
10. The hydraulic support system according to claim 9, wherein a second telescopic jack is arranged between the grout stop assemblies of two adjacent hydraulic supports, and the second telescopic jack is used for supporting or removing the mould for the grout stop assemblies of the two adjacent hydraulic supports.
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