CN110080812B - Roadway unit type advanced support for fully mechanized caving face, arrangement distribution unit and moving method - Google Patents

Roadway unit type advanced support for fully mechanized caving face, arrangement distribution unit and moving method Download PDF

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Publication number
CN110080812B
CN110080812B CN201910258451.8A CN201910258451A CN110080812B CN 110080812 B CN110080812 B CN 110080812B CN 201910258451 A CN201910258451 A CN 201910258451A CN 110080812 B CN110080812 B CN 110080812B
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CN
China
Prior art keywords
telescopic cylinder
support
face
upright post
roadway
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Application number
CN201910258451.8A
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Chinese (zh)
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CN110080812A (en
Inventor
沙建磊
孙奇
周海龙
冯艳
杨忠宝
刘强
殷文星
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SHANDONG TAGAO MINING EQUIPMENT MANUFACTURING CO LTD
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SHANDONG TAGAO MINING EQUIPMENT MANUFACTURING CO LTD
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Priority to CN201910258451.8A priority Critical patent/CN110080812B/en
Publication of CN110080812A publication Critical patent/CN110080812A/en
Application granted granted Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms

Abstract

The utility model provides a roadway unit formula advance support, arrange distribution unit and removal method for fully mechanized caving face, including roof beam (1) that is used in the face of working top coal, place base (2) on the ground surface of working top coal, set up between roof beam (1) and base (2) and be used for jacking up the stand group of roof beam (1), set up on base (2) and be used for producing side telescopic cylinder group of lateral displacement effort to base (2), set up hydraulic means (3) that communicate respectively with stand group and side telescopic cylinder group, through hydraulic means (3) and stand group, realize the lift of roof beam (1), through hydraulic means (3) and side telescopic cylinder group, realize the position adjustment to base (2), no longer need to unload the support repeatedly in the process of pulling, consequently prevent that the roof coal from being broken up and expanding and destroying and the phenomenon that the section of leading to roadway surrounding rock to enlarge to take place, the security performance of roadway use has been improved.

Description

Roadway unit type advanced support for fully mechanized caving face, arrangement distribution unit and moving method
Technical Field
The invention relates to a roadway unit type advanced support, an arrangement distribution unit and a moving method, in particular to a roadway unit type advanced support, an arrangement distribution unit and a moving method for a fully-mechanized caving face.
Background
In the fully mechanized caving face, in order to ensure the safety of the mining face, a roadway unit type advance support is required to be placed in the fully mechanized caving face, so that the roadway unit type advance support, an arrangement distribution unit and a moving method for the fully mechanized caving face are important coal mine devices, in the conventional roadway unit type advance support, the arrangement distribution unit and the moving method for the fully mechanized caving face, a mine is supported by adopting a ZTC30000/25/50 stepping type advance support in advance along an empty side roadway, the advance support distance is 50m, the single stroke of the support is 800mm, the total moving amount of two sides of a safety outlet on the empty side is up to 2700mm at maximum, the total moving amount of a top plate is up to 2600mm at maximum, repeated unloading support is required in the pulling process, the broken and expanded top coal is aggravated, the broken and the cross section of the roadway is converged, and the safety performance of roadway use is directly affected.
The technical scheme of the invention is based on the technical problem, technical characteristics and technical effects existing in technical books of technical bottoms of the applicant in 2019, 1 and 25 days and the background technology.
Disclosure of Invention
The object of the invention is a roadway unit type advanced support for a fully mechanized caving face,
The object of the invention is a roadway unit type advanced support arrangement distribution unit for a fully mechanized caving face,
the invention discloses a roadway unit type advanced support moving method for a fully-mechanized caving face.
In order to overcome the technical defects, the invention aims to provide the roadway unit type advanced support, the arrangement and distribution units and the moving method for the fully mechanized caving face, so that phenomena of broken and expanded roof coal and enlarged surrounding rock damage and section convergence of the roadway are prevented, and the safety performance of roadway use is improved.
In order to achieve the above purpose, the invention adopts the following technical scheme: a roadway unit type advanced support for a fully mechanized caving face comprises a top beam, a base, a column group, a side telescopic cylinder group and a hydraulic device, wherein the top beam is used for pushing coal on the mining face, the base is placed on a ground surface of the mining face, the column group is arranged between the top beam and the base and used for pushing the top beam, the side telescopic cylinder group is arranged on the base and used for generating lateral moving acting force on the base, and the hydraulic device is communicated with the column group and the side telescopic cylinder group.
The hydraulic device and the side telescopic cylinder group realize lifting of the top beam, and the position adjustment of the base is realized through the hydraulic device and the side telescopic cylinder group, so that repeated unloading support is not needed in the pulling process, the phenomena that the top coal is broken and expanded to damage and cause the surrounding rock of the roadway to damage and the section to be converged to be enlarged are prevented, and the safety performance of the roadway is improved.
The invention designs a method for adjusting the supporting position of a mining working surface by connecting a top beam, a base, a hydraulic device, a column group and a side telescopic cylinder group with each other.
The invention designs that the column group comprises a first column and a second column.
The invention designs that the side telescopic cylinder group comprises a first side telescopic cylinder and a second side telescopic cylinder.
The invention also comprises a first accessory device arranged on the column group, wherein the first accessory device comprises a barrel hoop and a supporting plate.
The invention also comprises a second accessory device arranged on the column group, wherein the second accessory device comprises a first pressing plate and a second pressing plate.
The invention also comprises a third accessory device which is arranged on the first accessory device and is arranged as a hanging ring.
The invention designs that a first upright post and a second upright post are respectively arranged between a top beam and a base, a first side telescopic cylinder, a second side telescopic cylinder and a supporting plate are respectively arranged on the base, a first pressing plate is respectively arranged between the first upright post and the top beam and between the second upright post and the top beam, a second pressing plate is respectively arranged between the first upright post and the base and between the second upright post and the base, a barrel hoop is respectively arranged on the first upright post and the second upright post and is arranged on the supporting plate, a lifting ring is arranged on the barrel hoop, and the first upright post, the second upright post, the first side telescopic cylinder and the second side telescopic cylinder are respectively communicated with a hydraulic device.
The invention designs that a first connecting Chi Bu and a second connecting pool part are respectively arranged on the end face of the lower end of a beam part of a top beam, the first connecting pool part is connected with a second upright post through a pin shaft, the second connecting pool part is connected with the first upright post through a pin shaft, a lifting ring is arranged on the peripheral side face part of the beam part, a first pressing plate is respectively connected with the side wall of the first connecting pool part and the side wall of the second connecting pool part in a contact mode, the beam part is a rectangular strip body, the first connecting Chi Bu and the second connecting pool part are respectively arranged into rectangular hole bodies with pin shaft holes on the side walls, and the first connecting Chi Bu and the second connecting pool part are respectively arranged to be distributed left and right along the vertical center line of the beam part.
The invention designs that the base comprises a seat part, a first supporting plate part, a second supporting plate part, a third supporting plate part, a fourth supporting plate part, a wing plate part and a hanging hole plate part, wherein the upper end face of the seat part is respectively provided with a third connecting pool part and a fourth connecting pool part, the lower end face part of the first supporting plate part, the lower end face part of the second supporting plate part, the lower end face part of the third supporting plate part, the lower end face part of the fourth supporting plate part and the lower end face part of the supporting plate are respectively connected with the upper end face part of the seat part, the front side face and the rear side face of the seat part are respectively connected with the wing plate part, the left side face and the right side face of the seat part are respectively connected with the hanging hole plate part, the first supporting plate part and the second supporting plate part are respectively connected with a first side telescopic cylinder in a rotating way, the third support plate part and the fourth support plate part are respectively arranged to be rotationally connected with the second side telescopic cylinder and the third connecting pool part is arranged to be connected with the second upright post through a pin shaft, the fourth connecting pool part is arranged to be connected with the first upright post through a pin shaft and the second pressing plate is respectively arranged to be connected with the side walls of the third connecting pool part and the fourth connecting pool part through bolts, the seat part is arranged to be a ship-shaped body, the first support plate part, the second support plate part, the third support plate part and the fourth support plate part are respectively provided with a rectangular sheet-shaped body with a rotation hole, the third connecting pool part and the fourth connecting pool part are respectively arranged to be rectangular hole-shaped bodies with pin shaft holes on the side walls, the third connecting pool part and the fourth connecting pool part are respectively arranged to be distributed along the left and right vertical center line of the beam part, the wing plate part is arranged to be a angle-shaped sheet-shaped body, and the opening part of the wing plate part is arranged to be connected with the seat part, the orifice plate portion is provided as a trapezoidal sheet body having an orifice and an inner end face portion of the orifice plate portion is provided to be coupled with the seat portion.
The invention designs that the hydraulic device is arranged to comprise a safety valve A1, a safety valve A2, a reversing valve K1, a reversing valve K2, a reversing valve K3, a reversing valve K4, a filter G, a spherical stop valve Q1, a spherical stop valve Q2, a spherical stop valve Q3 and a spherical stop valve Q4, wherein one of the interfaces of the spherical stop valve Q4 is arranged to be connected with the output port of a high-pressure liquid pump, the other interface of the spherical stop valve Q4 and one of the interfaces of the spherical stop valve Q3 are respectively arranged to be connected with one of the interfaces of the spherical stop valve Q2, the other interface of the spherical stop valve Q2 is arranged to be connected with one of the interfaces of the spherical stop valve Q1, the reversing valve K2, one of the reversing valve K3 and one of the interfaces of the reversing valves K4 are respectively arranged to be connected with one of the interfaces of the reversing valves K1 through the filter G, the other of the interfaces of the reversing valves K2, the other interface of the reversing valve K3 and one of the reversing valves K4, the other of the interfaces of the reversing valves K1 are respectively arranged to be connected with the hydraulic circuits of the first stand column and the second stand column, the one of the two-by-way hydraulic circuits is arranged to be connected with the second stand-by the one of the two-by-up hydraulic circuits, the two-side of the reversing valves A2, the reversing valve K2, the one of the two-by-side of the reversing valve 2 and the hydraulic circuits 1, the two-side of the reversing valve 2 are respectively arranged to be connected with the one of the hydraulic circuit 1, the one side safety valve 1 and the one of the two-by the one is arranged to be respectively, the one safety valve is arranged, the filter G, the ball check valve Q1, the ball check valve Q2, the ball check valve Q3, and the ball check valve Q4 are provided on a hydraulic bracket and the hydraulic bracket of the hydraulic device is provided to be coupled with the base.
The invention designs that the first upright post and the second upright post are respectively arranged as hydraulic telescopic cylinders, the upper end head of the first upright post and the upper end head of the second upright post are respectively connected with the top beam through pin shafts, the lower end head of the first upright post and the lower end head of the second upright post are respectively connected with the base through pin shafts, the hydraulic circuit of the first upright post and the hydraulic circuit of the second upright post are respectively communicated with the hydraulic device, and the side surface part of the first upright post and the side surface part of the second upright post are respectively connected with the barrel hoops.
The invention designs that the first pressing plate is arranged as a U-shaped sheet body, the inner side surface of the first pressing plate is connected with the top beam in a contact way, the buckling parts of the first pressing plate are respectively connected with the end head of a pin shaft arranged between the first upright post and the top beam in an embedded way, and the claw bodies of the buckling parts of the first pressing plate are connected with each other through bolts.
The invention designs that the second pressing plate is a three-jaw type sheet body, the claw part of the second pressing plate is connected with the base through a bolt, and the inner side part of the second pressing plate is respectively connected with the base, the end head of a pin shaft arranged between the first upright post and the base and the end head of a pin shaft arranged between the second upright post and the base in a contact mode.
The invention designs that a first side telescopic cylinder and a second side telescopic cylinder are respectively arranged to comprise a cylinder part, a hook part and a fixed shaft part, the outer end of a telescopic rod of the cylinder part is connected with the hook part through a pin shaft, the middle part of a shell of the cylinder part is provided with the fixed shaft part and the fixed shaft part is rotationally connected with a base, the first side telescopic cylinder and the second side telescopic cylinder are arranged to be distributed left and right along the vertical center line of the base, and a hydraulic circuit of the first side telescopic cylinder and a hydraulic circuit of the second side telescopic cylinder are respectively communicated with a hydraulic device.
The invention designs that the barrel hoop is arranged as a circular ring body, the inner side part of the barrel hoop is respectively connected with the first upright post and the second upright post, and the inner side part of the barrel hoop is respectively connected with the supporting plate and the hanging ring.
The invention designs that the support plate is a nail-shaped sheet body, the lower end of the support plate is connected with the base, the left side surface part of the support plate is connected with the barrel hoop arranged on the second upright post, and the right side surface part of the support plate is connected with the barrel hoop arranged on the first upright post.
The invention designs that the lifting ring seat of the lifting ring is connected with the barrel hoop in a connecting way, and the ring of the lifting ring is connected with the lifting ring seat of the lifting ring in a serial way.
The invention designs that the top beam, the base, the hydraulic device, the first upright post, the second upright post, the first side telescopic cylinder and the second side telescopic cylinder are distributed according to the mode of double supporting cylinders and double dragging cylinders, the top beam, the base, the hydraulic device, the first upright post, the second upright post, the first side telescopic cylinder and the second side telescopic cylinder are distributed according to the mode of fixing end faces, the top beam, the base, the hydraulic device, the first upright post, the second upright post, the first side telescopic cylinder and the second side telescopic cylinder are distributed according to the mode of middle supporting, the supporting plates and the hanging rings are distributed according to the mode of middle supporting, the two barrel hoops, the supporting plate and the two hanging rings are arranged to form a group of middle supporting parts, the fixed shaft parts of the first side telescopic cylinder are respectively connected with the first supporting plate part and the second supporting plate part in a rotating mode, and the fixed shaft parts of the second side telescopic cylinder are respectively connected with the third supporting plate part and the fourth supporting plate part in a rotating mode.
The invention designs a roadway unit type lead support arrangement distribution unit for a fully-mechanized caving face, which comprises a lead support I, a lead support II, a lead support III, a lead support IV, a lead support V and a lead support VI, wherein the lead support I, the lead support II and the lead support III are arranged on the left side face of the fully-mechanized caving face roadway, the lead support IV, the lead support V and the lead support VI are arranged on the right side face of the fully-mechanized caving face roadway and the center line of the lead support I, the center line of the lead support II, the center line of the lead support III, the center line of the lead support IV, the center line of the lead support V and the center line of the lead support VI are arranged to extend along the transverse center line of the fully-mechanized caving face roadway, the lead support I and the lead support IV are arranged on the front end face of the fully-mechanized caving face roadway and are arranged at intervals, the lead support II and the lead support V are arranged on the middle part of the fully-mechanized caving face roadway and the lead support V are arranged at intervals, and the lead support III and the lead support VI are arranged at the back end of the fully-mechanized caving face roadway.
The invention designs a roadway unit type advanced support moving method for a fully mechanized caving face, which comprises the following steps:
the method comprises the steps of using a leading support of a middle part as an action fulcrum, dragging the leading support of a rear end face part to the middle part of a fully-mechanized caving face roadway, dragging the leading support of the rear end face part to the front end of the leading support of a front end face part, dragging the leading support of the rear end face part to the side surface of the fully-mechanized caving face roadway by using the leading support of the front end face part as an action fulcrum, and then pushing by a side telescopic cylinder group of the leading support of the rear end face part to place the leading support of the rear end face part to a supporting position of the front end of the leading support of the front end face part.
The invention designs the method which comprises the following steps:
when the fully-mechanized caving face is required to be supported forwards in the tunnel, the first upright post and the second upright post are in a contracted state through the reversing valve K1, so that the beam part of the advance support III and the beam part of the advance support VI are separated from the tunnel top coal of the fully-mechanized caving face,
the first hanging ring is arranged on a hanging hole plate part at the front end of the lead support III, the second hanging ring is arranged on a hanging hole plate part at the rear end of the lead support V, the traction rope is strung on the second hanging ring, one end of the traction rope is connected with the first hanging ring, the other end of the traction rope is connected with a telescopic rod of a traction telescopic cylinder, the telescopic rod of the traction telescopic cylinder is contracted, the lead support III is driven to move towards the middle part of a fully-mechanized caving face roadway, the lead support III is placed on the middle part of the fully-mechanized caving face roadway, the traction rope is separated from the second hanging ring, the telescopic rod of the traction telescopic cylinder is contracted, the lead support III is driven to move forwards to the front end of the lead support I along the middle part of the fully-mechanized caving face roadway, the first hanging ring is arranged on the hanging hole plate part at the rear end of the lead support III, the second hanging ring is arranged on the telescopic rod part at the front end of the traction support I, the traction rope is contracted on the second hanging ring, one end of the traction rope is connected with the first hanging hole plate part at the front end of the lead support I, the lead support III is driven to move towards the telescopic rod of the left side face of the fully-mechanized caving face roadway, the lead support III is driven to move towards the side face of the fully-mechanized caving face roadway,
The first hanging ring is arranged on a hanging hole plate part at the front end of the lead support VI, the second hanging ring is arranged on a hanging hole plate part at the rear end of the lead support II, the traction rope is strung on the second hanging ring, one end of the traction rope is connected with the first hanging ring, the other end of the traction rope is connected with a telescopic rod of a traction telescopic cylinder, the telescopic rod of the traction telescopic cylinder is contracted to drive the lead support VI to move towards the middle part of a fully-mechanized caving face roadway, the lead support VI is placed on the middle part of the fully-mechanized caving face roadway, the traction rope is separated from the second hanging ring, the telescopic rod of the traction telescopic cylinder is contracted to drive the lead support VI to move forwards along the middle part of the fully-mechanized caving face roadway to the front end of the lead support IV, the first hanging ring is arranged on the hanging hole plate part at the rear end of the lead support IV, the traction rope is contracted to drive the second hanging ring to drive the end of the traction rope to move towards the middle part of the fully-mechanized caving face roadway, the lead support VI is connected with the telescopic rod at the side face of the right side of the fully-mechanized caving face roadway,
The first side telescopic cylinder of the lead bracket III is connected with the first side telescopic cylinder of the lead bracket VI, the second side telescopic cylinder of the lead bracket III is connected with the second side telescopic cylinder of the lead bracket VI, the first side telescopic cylinder of the lead bracket III and the first side telescopic cylinder of the lead bracket VI are in an extending state through a reversing valve K3, the reversing valve K2 enables the second side telescopic cylinder of the lead bracket III and the second side telescopic cylinder of the lead bracket VI to be in an extending state, the base of the lead bracket III and the base of the lead bracket VI are pushed to move along the transverse center line of the transverse section of the fully mechanized working face roadway, thereby separating the first side telescopic cylinder of the lead bracket III and the first side telescopic cylinder of the lead bracket VI from the first side telescopic cylinder of the lead bracket VI, the second side telescopic cylinder of the lead bracket III and the second side telescopic cylinder of the lead bracket VI are separated, the first side telescopic cylinder of the lead bracket III and the first side telescopic cylinder of the lead bracket VI are in a contracting state through the reversing valve K3, the second side telescopic cylinder of the lead bracket III and the second side telescopic cylinder of the lead bracket VI are in a contracting state,
and then the first upright post and the second upright post are in an extension state through a reversing valve K1, so that the beam part of the advance support III and the Liang Buzuo of the advance support VI are used on the roadway roof coal of the fully mechanized caving face.
The invention has the technical effects that: the support strength is high. The advanced support is designed according to the rated working resistance of the double upright posts 2000KN, the support strength is not less than 0.5MPa and is greater than the actual measurement support strength on site, the advanced disturbance of a working surface can be resisted, the deformation of surrounding rock is controlled in cooperation with the original support, the roof connection destructiveness is small, the support is designed to be one-time support, the repeated unloading destruction of the support is stopped, the integrity of a tunnel roof is ensured, the self-bearing capacity of a bearing arch is improved, the stability is high, the adaptability is strong, the double telescopic design of the support upright posts is realized, and the travel is large; when the double-flow safety valve is matched, impact load is instantaneously loaded, pressure relief is rapid, damage of rock burst can be resisted, surrounding rock deformation is adapted, mobility of migration and traction is good, roadway support requirements can not be well met by using a traditional support mode for supporting a large buried roadway, the characteristics of large support strength, primary support, good stability and the like of the ZQ4000/20.6/45 unit type advanced support can be well met, the large buried roadway has wide prospect in application of supporting the large buried roadway along an air side of a mining working face of the large buried mine, the surrounding rock control effect is obvious after the roadway is subjected to pier stud type advanced support through field trial, the two sides of the roadway are moved by about 2000mm at a safety exit, and the width of the residual roadway is more than 2700 mm; the top and bottom plates are moved to be close to each other by about 1000 mm, and the height of the rest roadway is 2800mm. Compared with other three support forms, the maximum deformation of the two sides is reduced by 1500mm, the approaching amount of the top and bottom plates is reduced by 1500mm, and the on-site support effect is good.
In the technical scheme, the top beam, the base, the hydraulic device, the upright column group and the side telescopic cylinder for adjusting the supporting position of the mining working face are important technical characteristics, and the technical scheme has novelty, creativity and practicability in the technical fields of roadway unit type advanced supports, arrangement distribution units and moving methods for fully mechanized caving working faces, and the terms in the technical scheme can be explained and understood by patent documents in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a schematic view of a modular lead frame for a fully mechanized caving face according to the present invention,
figure 2 is a top view of figure 1,
figure 3 is a right side view of figure 1,
figure 4 is a schematic view of the structure of the hydraulic device 3,
figure 5 is a schematic view of a layout distribution unit of roadway unit type lead frames for fully mechanized caving face according to the present invention,
FIG. 6 is a schematic view showing a state of a method for moving a unit type lead frame of a roadway for a fully mechanized caving face according to the present invention,
FIG. 7 is a schematic diagram showing two states of a method for moving a unit type advance support for a fully-mechanized caving face according to the present invention,
FIG. 8 is a three-dimensional schematic view showing a method for moving a unit type advance support of a roadway for a fully mechanized caving face according to the present invention,
figure 9 is a schematic diagram of a method of moving a unit-type lead frame for a fully mechanized caving face according to the present invention,
figure 10 is a schematic diagram of a method of moving a unit head support for a fully mechanized caving face according to the present invention,
FIG. 11 is a sixth schematic view showing a state of a method for moving a unit type lead frame of a roadway for a fully mechanized caving face according to the present invention,
FIG. 12 is a seventh schematic view showing a state of a method for moving a unit type lead frame of a roadway for a fully mechanized caving face according to the present invention,
figure 13 is an eighth schematic view showing a state of a method for moving a tunnel unit type lead frame for a fully mechanized caving face according to the present invention,
figure 14 is a nine-step schematic diagram of a method of moving a head-stock of a roadway unit type for a fully mechanized caving face according to the present invention,
Figure 15 is a schematic view showing a state of a method for moving a tunnel unit type lead frame for a fully mechanized caving face according to the present invention,
figure 16 is an eleventh view showing a state of a method for moving a unit type lead frame of a roadway for a fully mechanized caving face according to the present invention,
figure 17 is a schematic diagram showing a status of a method for moving a tunnel unit type lead frame for a fully mechanized caving face according to the present invention,
figure 18 is a thirteenth schematic view showing a state of a method for moving a tunnel unit type lead frame for a fully mechanized caving face according to the present invention,
figure 19 is a fourteen schematic view showing a state of a method for moving a tunnel unit type lead frame for a fully mechanized caving face according to the present invention,
the hydraulic device comprises a top beam-1, a base-2, a hydraulic device-3, a first upright post-4, a second upright post-5, a first side telescopic cylinder-6, a second side telescopic cylinder-7, a barrel hoop-8, a supporting plate-9, a lifting ring-91, a first pressing plate-92, a second pressing plate-93, a beam part-11, a first connecting pool part-12, a second connecting pool part-13, a seat part-21, a first supporting plate part-22, a second supporting plate part-23, a third supporting plate part-24, a fourth supporting plate part-25, a third connecting pool part-26, a fourth connecting pool part-27, a wing plate part-28, a hanging plate part-29, a cylinder part-71, a hook part-72, a fixed shaft part-73, a leading bracket I-81, a leading bracket II-82, a leading bracket III-83, a leading bracket IV-84, a bracket V-85, a leading bracket VI-86, a first hanging ring-61, a second hanging ring-62, a traction telescopic cylinder-63 and a traction rope-64.
Detailed Description
Terms such as "having," "including," and "comprising," as used herein, are to be construed as not being accompanied by the presence or addition of one or more other elements or combinations thereof, in accordance with the censoring guidelines.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the various embodiments of the invention described below may be combined with one another as long as they do not interfere with one another, and, unless otherwise specified, the equipment and materials used in the examples below are commercially available, as the process conditions are not explicitly described, with reference to the commercially available product specifications or in accordance with methods conventional in the art.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a roadway unit type advanced support for a fully mechanized caving face, which is a first embodiment of the invention, and specifically illustrates the embodiment with reference to the accompanying drawings, and comprises a top beam 1, a base 2, a hydraulic device 3, a first upright 4, a second upright 5, a first side telescopic cylinder 6, a second side telescopic cylinder 7, a barrel hoop 8, a supporting plate 9, a hanging ring 91, a first pressing plate 92 and a second pressing plate 93,
A first upright 4 and a second upright 5 are respectively arranged between the top beam 1 and the base 2, a first side telescopic cylinder 6, a second side telescopic cylinder 7 and a supporting plate 9 are respectively arranged on the base 2, a first pressing plate 92 is respectively arranged between the first upright 4 and the top beam 1 and between the second upright 5 and the top beam 1, a second pressing plate 93 is respectively arranged between the first upright 4 and the base 2 and between the second upright 5 and the base 2, a barrel hoop 8 is respectively arranged on the first upright 4 and the second upright 5, the barrel hoop 8 is arranged on the supporting plate 9, a hanging ring 91 is arranged on the barrel hoop 8, and the first upright 4, the second upright 5, the first side telescopic cylinder 6 and the second side telescopic cylinder 7 are respectively arranged to be communicated with the hydraulic device 3.
In the present embodiment, the first connection pool portion 12 and the second connection pool portion 13 are respectively provided at the lower end face of the beam portion 11 of the top beam 1 and the first connection pool portion 12 is provided to be coupled with the second column 5 by a pin, the second connection pool portion 13 is provided to be coupled with the first column 4 by a pin and the hanging ring 91 is provided at the peripheral side face portion of the beam portion 11, the first pressing plate 92 is provided to be coupled in contact with the side wall of the first connection pool portion 12 and the side wall of the second connection pool portion 13 and the beam portion 11 is provided as a rectangular bar, the first connection pool portion 12 and the second connection pool portion 13 are respectively provided as rectangular hole-like bodies having pin holes in the side walls and the first connection pool portion 12 and the second connection pool portion 13 are respectively provided to be arranged in a left-right arrangement along the vertical center line of the beam portion 11.
Through back timber 1, formed the support tie point to first stand 4, second stand 5, rings 91 and first clamp plate 92, realized being connected with rings 91 by beam portion 11, realized being connected with first clamp plate 92 by first connection cell portion 12 and second connection cell portion 13, realized being connected with second stand 5 by first connection cell portion 12, realized being connected with first stand 4 by second connection cell portion 13, its technical object lies in: the support device is used for supporting the tunnel roof coal.
In the present embodiment, the base 2 is provided to include the seat portion 21, the first support plate portion 22, the second support plate portion 23, the third support plate portion 24, the fourth support plate portion 25, the wing plate portion 28, and the orifice plate portion 29, and the third connection pool portion 26 and the fourth connection pool portion 27 are provided at the upper end face portion of the seat portion 21, respectively, the lower end face portion of the first support plate portion 22, the lower end face portion of the second support plate portion 23, the lower end face portion of the third support plate portion 24, the lower end face portion of the fourth support plate portion 25, and the lower end face portion of the support plate 9 are provided to be coupled with the upper end face portion of the seat portion 21, and the front-rear side face portion of the seat portion 21 is provided to be coupled with the wing plate portion 28, respectively, the left-right side face portion of the seat portion 21 is provided to be coupled with the orifice plate portion 29, and the first support plate portion 22 and the second support plate portion 23 are provided to be rotatably coupled with the first side telescopic cylinder 6, respectively, the third support plate portion 24 and the fourth support plate portion 25 are respectively provided to be rotatably coupled with the second side telescopic cylinder 7 and the third connection pool portion 26 is provided to be coupled with the second column 5 by a pin, the fourth connection pool portion 27 is provided to be coupled with the first column 4 by a pin and the second pressing plate 93 is respectively provided to be coupled with the side walls of the third connection pool portion 26 and the fourth connection pool portion 27 by bolts, the seat portion 21 is provided to be a boat-shaped body and the first support plate portion 22, the second support plate portion 23, the third support plate portion 24 and the fourth support plate portion 25 are respectively provided with rectangular plate-shaped bodies having rotation holes, the third connection pool portion 26 and the fourth connection pool portion 27 are respectively provided to be rectangular hole-shaped bodies having pin holes in the side walls and the third connection pool portion 26 and the fourth connection pool portion 27 are respectively provided to be arranged in a left-right arrangement along the vertical center line of the beam portion 11, the wing plate portion 28 is provided as a +.shape sheet-like body and the opening portion of the wing plate portion 28 is provided to be coupled with the seat portion 21, the hanging hole plate portion 29 is provided as a trapezoid sheet-like body having hanging holes and the inner end face portion of the hanging hole plate portion 29 is provided to be coupled with the seat portion 21.
Through base 2, the support tie point to first stand 4, second stand 5, first side telescopic cylinder 6, second side telescopic cylinder 7, backup pad 9 and second clamp plate 93 has been formed, by seat 21, realized being connected with backup pad 9, by third connection cell portion 26 and fourth connection cell portion 27, realized being connected with second clamp plate 93, by third connection cell portion 26, realized being connected with second stand 5, by fourth connection cell portion 27, realized being connected with first stand 4, by first backup pad portion 22 and second backup pad portion 23, realized being connected with first side telescopic cylinder 6, by third backup pad portion 24 and fourth backup pad portion 25, realized being connected with second side telescopic cylinder 7, by pterygoid lamina portion 28, realized increasing the volume to seat 21, realized being connected with hanging orifice plate portion 29, realized being connected with seat 21's drag processing, its technical purpose lies in: for placement on the roadway floor and as a support carrier for other components.
In the present embodiment, the hydraulic device 3 is configured to include a relief valve A1, a relief valve A2, a reversing valve K1, a reversing valve K2, a reversing valve K3, a reversing valve K4, a filter G, a spherical stop valve Q1, a spherical stop valve Q2, a spherical stop valve Q3, and a spherical stop valve Q4, and one of the interfaces of the spherical stop valve Q4 is configured to be a hydraulic interface with other brackets, one of the other interfaces of the spherical stop valve Q4 and one of the interfaces of the spherical stop valve Q3 are respectively configured to be connected with an output port of a high-pressure liquid pump, the other of the interfaces of the spherical stop valve Q3 is configured to be connected with one of the interfaces of the spherical stop valve Q2, the other of the interfaces of the spherical stop valve Q2 is configured to be connected with one of the interfaces of the spherical stop valve Q1, the other interface of the ball-shaped stop valve Q1 is respectively connected with one interface of the reversing valve K1, one interface of the reversing valve K2, one interface of the reversing valve K3 and one interface of the reversing valve K4 through the filter G, the other interface of the reversing valve K1 is respectively connected with the hydraulic circuit of the first upright 4 and the hydraulic circuit of the second upright 5, the other interface of the reversing valve K2 is respectively connected with the hydraulic circuit of the second side telescopic cylinder 7, the other interface of the reversing valve K3 is respectively connected with the hydraulic circuit of the first side telescopic cylinder 6, the other interface of the reversing valve K4 is respectively provided with a standby hydraulic interface, the safety valve A2 is arranged in the hydraulic circuit of the first upright 4, the safety valve A1 is arranged in the hydraulic circuit of the second upright 5, the reversing valve K1, the reversing valve K2, the reversing valve K3 and the reversing valve K4 are respectively arranged as two-position three-way reversing valves, the safety valve A1, the safety valve A2, the reversing valve K1, the reversing valve K2, the reversing valve K3, the reversing valve, the reversing valve K4, the filter G, the spherical stop valve Q1, the spherical stop valve Q2, the spherical stop valve Q3, and the spherical stop valve Q4 are provided on a hydraulic mount and the hydraulic mount of the hydraulic device 3 is provided to be coupled with the base 2.
Through hydraulic means 3, formed the support tie point to base 2, first stand 4, second stand 5, flexible jar 6 in first side and flexible jar 7 in second side, realized being connected with base 2 by hydraulic means 3's hydraulic support, by switching-over valve K1, realized being connected with second stand 5, realized being connected with first stand 4, by switching-over valve K3, realized being connected with flexible jar 6 in first side, by switching-over valve K2, realized being connected with flexible jar 7 in second side, its technical aim is: for hydraulic control of the expansion and contraction of the first column 4, the second column 5, the first side expansion cylinder 6, and the second side expansion cylinder 7.
In the present embodiment, the first stand 4 and the second stand 5 are respectively provided as hydraulic telescopic cylinders and the upper ends of the first stand 4 and the second stand 5 are respectively provided to be coupled with the top beam 1 through pins, the lower ends of the first stand 4 and the second stand 5 are respectively provided to be coupled with the base 2 through pins and the hydraulic circuits of the first stand 4 and the second stand 5 are respectively provided to be in communication with the hydraulic device 3, and the side portions of the first stand 4 and the side portions of the second stand 5 are respectively provided to be coupled with the ferrules 8.
Through first stand 4 and second stand 5, formed the support tie point to back timber 1, base 2 and hydraulic means 3, by first stand 4 and second stand 5, realized being connected with back timber 1, realized being connected with base 2, realized being connected with hydraulic means 3, its technical aim is: for lifting the top beam 1.
In the present embodiment, the first presser plate 92 is provided as a U-shaped sheet and the inner side face of the first presser plate 92 is provided to be coupled in contact with the header 1, the snap-fit portions of the first presser plate 92 are provided to be coupled with the ends of the pins provided between the first pillar 4 and the header 1, the ends of the pins between the second pillar 5 and the header 1, respectively, in an embedded manner, and the snap-fit claw bodies of the first presser plate 92 are provided to be coupled to each other by bolts.
Through first clamp plate 92, formed the support tie point to back timber 1, first stand 4 and second stand 5, by first clamp plate 92, realized being connected with back timber 1, realized being connected with first stand 4, realized being connected with second stand 5, its technical aim at: for realizing the anti-moving treatment of the first upright 4 and the second upright 5 and the top beam 1.
In the present embodiment, the second pressing plate 93 is provided as a three-jaw sheet body and the claw portions of the second pressing plate 93 are provided to be coupled with the base 2 by bolts, and the inner side portions of the second pressing plate 93 are provided to be coupled in contact with the base 2, the ends of the pin shafts provided between the first upright 4 and the base 2, and the ends of the pin shafts between the second upright 5 and the base 2, respectively.
Through the second clamp plate 93, formed the support tie point to base 2, first stand 4 and second stand 5, by second clamp plate 93, realized being connected with base 2, realized being connected with first stand 4, realized being connected with second stand 5, its technical aim at: for realizing the anti-moving treatment of the first upright 4 and the second upright 5 and the base 2.
In the present embodiment, the first side telescopic cylinder 6 and the second side telescopic cylinder 7 are respectively provided to include the cylinder portion 71, the hooking portion 72, and the fixed shaft portion 73, and the outer ends of the telescopic rods of the cylinder portion 71 are provided to be coupled with the hooking portion 72 by the pin shaft, the fixed shaft portion 73 is provided in the middle portion of the housing of the cylinder portion 71 and the fixed shaft portion 73 is provided to be rotatably coupled with the base 2, the first side telescopic cylinder 6 and the second side telescopic cylinder 7 are provided to be arranged side by side along the vertical center line of the base 2, and the hydraulic circuits of the first side telescopic cylinder 6 and the second side telescopic cylinder 7 are respectively provided to be in communication with the hydraulic device 3.
Through flexible jar 6 in first side and flexible jar 7 in second side, formed the support tie point to base 2 and hydraulic means 3, by flexible jar 6 in first side and flexible jar 7 in second side, realized being connected with base 2, realized being connected with hydraulic means 3, its technical aim at: for driving the base 2 to move.
In the present embodiment, the collar 8 is provided as a circular ring-shaped body and the inner side portions of the collar 8 are provided to be coupled with the first and second columns 4 and 5, respectively, and the inner side portions of the collar 8 are provided to be coupled with the support plate 9 and the hanging ring 91, respectively.
Through the section of thick bamboo hoop 8, formed the support tie point to first stand 4, second stand 5, backup pad 9 and rings 91, by section of thick bamboo hoop 8, realized being connected with first stand 4, realized being connected with second stand 5, realized being connected with backup pad 9, realized being connected with rings 91, its technical aim is: for reinforcing the first and second uprights 4, 5 and as support carrier for the lifting ring 91.
In the present embodiment, the support plate 9 is provided as a nail-shaped sheet and the lower end of the support plate 9 is provided to be coupled with the base 2, the left side surface portion of the support plate 9 is provided to be coupled with the band 8 provided on the second column 5 and the right side surface portion of the support plate 9 is provided to be coupled with the band 8 provided on the first column 4.
Through backup pad 9, formed the support tie point to base 2 and section of thick bamboo hoop 8, realized being connected with base 2 by backup pad 9, realized being connected with section of thick bamboo hoop 8, its technical purpose lies in: for reinforcement treatment of the first and second uprights 4, 5.
In this embodiment, the ring seat of the ring 91 is configured to couple with the cartridge hoop 8 and the ring of the ring 91 is configured to couple in series with the ring seat of the ring 91.
Through rings 91, formed the support tie point to section of thick bamboo hoop 8, realized by rings 91 with section of thick bamboo hoop 8's connection, its technical aim at: for hoisting the first upright 4 and the second upright 5.
In the present embodiment, the top beam 1 and the base 2 are arranged to be distributed in a double-support-cylinder and double-towing-cylinder manner with the hydraulic device 3, the first upright 4, the second upright 5, the first side telescopic cylinder 6 and the second side telescopic cylinder 7, and the top beam 1, the base 2, the hydraulic device 3, the first upright 4, the second upright 5, the first side telescopic cylinder 6 and the second side telescopic cylinder 7 are arranged to be distributed in an end-face-fixed manner with the first presser 92 and the second presser 93, the top beam 1, the base 2, the hydraulic device 3, the first upright 4, the second upright 5, the first side telescopic cylinder 6 and the second side telescopic cylinder 7 are arranged to be distributed in an intermediate-support manner with the ferrules 8, the support plates 9 and the slings 91, and the two ferrules 8, the one support plate 9 and the two slings 91 are arranged to constitute a set of intermediate support members, and the fixed shaft portions 73 of the first side telescopic cylinder 6 are respectively arranged to be rotatably coupled with the first support plate portion 22 and the second support plate portion 23, and the fixed shaft portions 73 of the second side telescopic cylinder 7 are respectively arranged to be rotatably coupled with the third support plate portion 24 and the fourth support plate portion 25.
In a second embodiment of the invention, the top beam 1, the base 2, the hydraulic device 3, the column group and the side telescopic cylinder group are coupled to each other in such a way that the supporting position of the working face is adjusted.
In this embodiment, the column group is provided to include a first column 4 and a second column 5.
In the present embodiment, the side telescopic cylinder group is provided to include the first side telescopic cylinder 6 and the second side telescopic cylinder 7.
In this embodiment, a first attachment means is also included and provided on the column set, the first attachment means being provided to include a collar 8 and a support plate 9.
In the present embodiment, a second attachment means is also included and provided on the column group, the second attachment means being provided to include the first platen 92 and the second platen 93.
In the present embodiment, a third accessory device is further included and is provided on the first accessory device, the third accessory device being provided as the hanging ring 91.
The second embodiment of the present invention is based on the first embodiment.
A roadway unit type lead frame arrangement distribution unit for a fully-mechanized caving face is shown in fig. 5, which is a first embodiment of the invention, and specifically illustrates the embodiment, and comprises a lead frame I81, a lead frame II 82, a lead frame III 83, a lead frame IV 84, a lead frame V85 and a lead frame VI 86, wherein the lead frame I81, the lead frame II 82 and the lead frame III 83 are arranged on the left side face of the fully-mechanized caving face roadway, the lead frame IV 84, the lead frame V85 and the lead frame VI 86 are arranged on the right side face of the fully-mechanized caving face roadway, the center line of the lead frame I81, the center line of the lead frame II 82, the center line of the lead frame III 83, the center line of the lead frame IV 84, the center line of the lead frame V85 and the center line of the lead frame VI 86 are arranged to extend along the transverse center line of the fully-mechanized caving face roadway, the lead frame I81 and the lead frame IV 84 are arranged on the front end face of the fully-mechanized caving face roadway, the lead frame I81 and the lead frame III 84 are arranged to be arranged in a spacing, the lead frame II 82 and the lead frame VI 85 are arranged on the middle face of the fully-mechanized caving face roadway and the lead frame VI 83 are arranged on the end face of the fully-mechanized caving face roadway, and the lead frame I83 is arranged to be arranged at a spacing.
The invention will be further described with reference to the following examples, which are intended to illustrate the invention and not to limit it further.
A roadway unit type advanced support moving method for a fully mechanized caving face comprises the following steps:
in the roadway of the fully-mechanized caving face, when the fully-mechanized caving face needs to be supported forwards, the first upright post 4 and the second upright post 5 are in a contracted state through the reversing valve K1, so that the beam part 11 of the advance bracket III 83 and the beam part 11 of the advance bracket VI 86 are separated from the roadway top coal of the fully-mechanized caving face,
the first hanging ring 61 is arranged on the hanging hole plate part 29 at the front end of the advanced support III 83, the second hanging ring 62 is arranged on the hanging hole plate part 29 at the rear end of the advanced support V85, the traction rope 64 is strung on the second hanging ring 62, one end of the traction rope 64 is connected with the first hanging ring 61, the other end of the traction rope 64 is connected with a telescopic rod of the traction telescopic cylinder 63, the telescopic rod of the traction telescopic cylinder 63 is contracted, the advanced support III 83 is driven to move towards the middle part of the fully-mechanized caving face roadway, the advanced support III 83 is arranged on the middle part of the fully-mechanized caving face roadway, the traction rope 64 is separated from the second hanging ring 62, and the telescopic rod of the traction telescopic cylinder 63 is contracted, the leading bracket III 83 is driven to move forwards to the front end of the leading bracket I81 along the middle part of the fully-mechanized caving face roadway, the first hanging ring 61 is arranged on the hanging hole plate part 29 at the rear end of the leading bracket III 83, the second hanging ring 62 is arranged on the hanging hole plate part 29 at the front end of the leading bracket I81, the traction rope 64 is strung on the second hanging ring 62, one end of the traction rope 64 is connected with the first hanging ring 61, the other end of the traction rope 64 is connected with the telescopic rod of the traction telescopic cylinder 63, the telescopic rod of the traction telescopic cylinder 63 is contracted, the leading bracket III 83 is driven to move to the left side surface of the fully-mechanized caving face roadway, the leading bracket III 83 is placed on the left side surface of the fully-mechanized caving face roadway,
The first hanging ring 61 is arranged on the hanging hole plate part 29 at the front end of the lead bracket VI 86, the second hanging ring 62 is arranged on the hanging hole plate part 29 at the rear end of the lead bracket II 82, the traction rope 64 is strung on the second hanging ring 62, one end of the traction rope 64 is connected with the first hanging ring 61, the other end of the traction rope 64 is connected with the telescopic rod of the traction telescopic cylinder 63, the telescopic rod of the traction telescopic cylinder 63 is contracted, the lead bracket VI 86 is driven to move towards the middle part of the fully-mechanized caving face roadway, the lead bracket VI 86 is placed on the middle part of the fully-mechanized caving face roadway, the traction rope 64 is separated from the second hanging ring 62, and the telescopic rod of the traction telescopic cylinder 63 is contracted, the leading bracket VI 86 is driven to move forwards to the front end of the leading bracket IV 84 along the middle part of the fully-mechanized caving face roadway, the first hanging ring 61 is arranged on the hanging hole plate part 29 at the rear end of the leading bracket VI 86, the second hanging ring 62 is arranged on the hanging hole plate part 29 at the front end of the leading bracket IV 84, the traction rope 64 is strung on the second hanging ring 62, one end of the traction rope 64 is connected with the first hanging ring 61, the other end of the traction rope 64 is connected with the telescopic rod of the traction telescopic cylinder 63, the telescopic rod of the traction telescopic cylinder 63 is contracted, the leading bracket VI 86 is driven to move to the right side surface of the fully-mechanized caving face roadway, the leading bracket VI 86 is placed on the side surface of the fully-mechanized caving face roadway,
The first side telescopic cylinder 6 of the lead bracket III 83 is connected with the first side telescopic cylinder 6 of the lead bracket VI 86, the second side telescopic cylinder 7 of the lead bracket III 83 is connected with the second side telescopic cylinder 7 of the lead bracket VI 86, the first side telescopic cylinder 6 of the lead bracket III 83 and the first side telescopic cylinder 6 of the lead bracket VI 86 are in an extended state through a reversing valve K3, the reversing valve K2 enables the second side telescopic cylinder 7 of the lead bracket III 83 and the second side telescopic cylinder 7 of the lead bracket VI 86 to be in an extended state, the base 2 of the lead bracket III 83 and the base 2 of the lead bracket VI 86 are pushed to move along the transverse center line of the transverse section of the comprehensive working surface roadway, thereby enabling the lead bracket III 83 and the lead bracket VI 86 to fully-extend the front end face of the working surface roadway, the first side telescopic cylinder 6 of the lead bracket III 83 is separated from the first side telescopic cylinder 6 of the lead bracket VI 86, the second side telescopic cylinder 7 of the lead bracket III 83 is separated from the second side telescopic cylinder 7 of the lead bracket VI 86, the first side telescopic cylinder 6 of the lead bracket III 83 and the second side telescopic cylinder 7 of the lead bracket VI 86 are contracted through the reversing valve K3, the first side telescopic cylinder 6 of the lead bracket III 83 and the second side telescopic cylinder 7 of the lead bracket VI 86 are in a contracted state,
And the first upright post 4 and the second upright post 5 are in an extension state through a reversing valve K1, so that the beam part 11 of the advance support III 83 and the beam part 11 of the advance support VI 86 act on the roadway roof coal of the fully mechanized caving face.
A second embodiment of the invention comprises the steps of:
the method comprises the steps of using a leading support of a middle part as an action fulcrum, dragging the leading support of a rear end face part to the middle part of a fully-mechanized caving face roadway, dragging the leading support of the rear end face part to the front end of the leading support of a front end face part, dragging the leading support of the rear end face part to the side surface of the fully-mechanized caving face roadway by using the leading support of the front end face part as an action fulcrum, and then pushing by a side telescopic cylinder group of the leading support of the rear end face part to place the leading support of the rear end face part to a supporting position of the front end of the leading support of the front end face part.
The second embodiment of the present invention is based on the first embodiment.
The invention has the following characteristics:
1. the lifting of the top beam 1 is realized by the hydraulic device 3 and the upright column group, the position adjustment of the base 2 is realized by the hydraulic device 3 and the side telescopic cylinder group, repeated unloading support is not needed in the pulling process, and therefore, the phenomena that the top coal is broken and expanded to damage surrounding rock of a roadway and the convergence of a section is enlarged are prevented, and the use safety performance of the roadway is improved.
2. Due to the design of the barrel hoop 8 and the support plate 9, a support member is formed, and the fixing strength to the first upright 4 and the second upright 5 is improved.
3. Due to the design of the first and second pressing plates 92 and 93, the baffle member is formed, and the connection strength to the first and second columns 4 and 5 is improved.
4. Due to the design of the hanging ring 91, the first upright 4 and the second upright 5 are convenient to hang.
5. Because the technical characteristics of the invention are designed, the experiment shows that the performance indexes of the invention are at least 1.7 times of the existing performance indexes under the independent and mutually aggregated functions of the technical characteristics, and the invention has good market value through evaluation.
Other technical features of the roof beam 1, the base 2, the hydraulic device 3, the column group and the side telescopic cylinder group which are connected with the supporting position of the mining working face are one of the embodiments of the invention, and the technical features of the embodiments can be combined arbitrarily, so as to meet the requirements of patent laws, patent implementation rules and examination guidelines, and all possible combinations of the technical features of the embodiments are not described.
The above embodiment is only one implementation form of the roadway unit type advanced support, the arrangement distribution unit and the moving method for the fully-mechanized caving face, and according to other variants of the scheme provided by the invention, components or steps in the roadway unit type advanced support, the arrangement distribution unit and the moving method are added or reduced, or the roadway unit type advanced support, the arrangement distribution unit and the moving method are used in other technical fields close to the roadway unit type advanced support, the arrangement distribution unit and the moving method.

Claims (7)

1. A tunnel unit formula advance support for fully mechanized caving face, characterized by: comprises a top beam (1) which is used for pushing coal on a mining working surface, a base (2) which is placed on a ground surface of the mining working surface, a column group which is arranged between the top beam (1) and the base (2) and is used for pushing the top beam (1), a side telescopic cylinder group which is arranged on the base (2) and is used for generating lateral moving acting force on the base (2), and a hydraulic device (3) which is communicated with the column group and the side telescopic cylinder group respectively,
a first connecting pool part (12) and a second connecting pool part (13) are respectively arranged on the end face of the lower end of the beam part (11) of the top beam (1), the first connecting pool part (12) is connected with the second upright post (5) through a pin shaft, the second connecting pool part (13) is connected with the first upright post (4) through a pin shaft, a lifting ring (91) is arranged on the peripheral side face of the beam part (11), a first pressing plate (92) is respectively connected with the side wall of the first connecting pool part (12) and the side wall of the second connecting pool part (13) in a contact mode, the beam part (11) is arranged into a rectangular strip body, the first connecting pool part (12) and the second connecting pool part (13) are respectively arranged into rectangular hole bodies with pin shaft holes on the side walls, the first connecting pool part (12) and the second connecting pool part (13) are respectively arranged to be distributed along the vertical center line of the beam part (11) in a left-right direction,
The base (2) is provided with a seat part (21), a first supporting plate part (22), a second supporting plate part (23), a third supporting plate part (24), a fourth supporting plate part (25), a wing plate part (28) and a hanging hole plate part (29), a third connecting pool part (26) and a fourth connecting pool part (27) are respectively arranged on the upper end face of the seat part (21), the lower end face part of the first supporting plate part (22), the lower end face part of the second supporting plate part (23), the lower end face part of the third supporting plate part (24), the lower end face part of the fourth supporting plate part (25) and the lower end face part of the supporting plate (9) are respectively arranged to be connected with the upper end face part of the seat part (21) and the front side face and the rear side face part of the seat part (21) are respectively arranged to be connected with the hanging hole plate part (29) and the first supporting plate part (22) and the second supporting plate part (23) are respectively arranged to be rotatably connected with a first side cylinder (6), the third supporting plate part (24) and the fourth supporting plate part (25) are respectively arranged to be rotatably connected with the second wing plate part (26) and the fourth supporting plate part (5) through pin shafts respectively, the fourth connecting pool part (27) is connected with the first upright post (4) through a pin shaft, the second pressing plate (93) is respectively connected with the side walls of the third connecting pool part (26) and the fourth connecting pool part (27) through bolts, the seat part (21) is provided with a boat-shaped sheet body, the first supporting plate part (22), the second supporting plate part (23), the third supporting plate part (24) and the fourth supporting plate part (25) are respectively provided with rectangular sheet bodies with rotating holes, the third connecting pool part (26) and the fourth connecting pool part (27) are respectively provided with rectangular hole bodies with pin shaft holes on the side walls, the third connecting pool part (26) and the fourth connecting pool part (27) are respectively arranged and distributed along the vertical center line of the beam part (11), the wing plate part (28) is provided with a trapezoid sheet body with hanging holes, the wing plate part (29) is provided with an opening part connected with the seat part (21), the inner end face part of the hanging plate part (29) is provided with the seat part (21),
The hydraulic device (3) is provided with a safety valve A1, a safety valve A2, a reversing valve K1, a reversing valve K2, a reversing valve K3, a reversing valve K4, a filter G, a spherical stop valve Q1, a spherical stop valve Q2, a spherical stop valve Q3 and a spherical stop valve Q4, wherein one interface of the spherical stop valve Q4 is provided with a hydraulic interface of other brackets, the other interface of the spherical stop valve Q4 and one interface of the spherical stop valve Q3 are respectively provided with an output port of a high-pressure liquid pump, the other interface of the spherical stop valve Q3 is provided with one interface of the spherical stop valve Q2, the other interface of the spherical stop valve Q2 is provided with one interface of the spherical stop valve Q1, the other interface of the spherical stop valve Q1 is respectively connected with one interface of the reversing valve K1, one interface of the reversing valve K2, one interface of the reversing valve K3 and one interface of the reversing valve K4 through a filter G, the other interface of the reversing valve K1 is respectively connected with a hydraulic circuit of the first upright post (4) and a hydraulic circuit of the second upright post (5), the other interface of the reversing valve K2 is respectively connected with a hydraulic circuit of the second side telescopic cylinder (7), the other interface of the reversing valve K3 is respectively connected with a hydraulic circuit of the first side telescopic cylinder (6), the other interface of the reversing valve K4 is respectively provided with a standby hydraulic interface, a safety valve A2 is arranged in the hydraulic circuit of the first upright post (4), the safety valves A1, the reversing valves K2, the reversing valves K3 and the reversing valve K4 are respectively arranged as two-position three-way reversing valves, the safety valve A1, the safety valve A2, the reversing valve K1, the reversing valve K2, the reversing valve K3, the reversing valve K4, the filter G, the spherical stop valve Q1, the spherical stop valve Q2, the spherical stop valve Q3 and the spherical stop valve Q4 are arranged on a hydraulic support and the hydraulic support of the hydraulic device (3) is connected with the base (2),
The first upright post (4) and the second upright post (5) are respectively arranged as a hydraulic telescopic cylinder, the upper end head of the first upright post (4) and the upper end head of the second upright post (5) are respectively arranged to be connected with the top beam (1) through a pin shaft, the lower end head of the first upright post (4) and the lower end head of the second upright post (5) are respectively arranged to be connected with the base (2) through a pin shaft, the hydraulic circuit of the first upright post (4) and the hydraulic circuit of the second upright post (5) are respectively arranged to be communicated with the hydraulic device (3), the side surface part of the first upright post (4) and the side surface part of the second upright post (5) are respectively arranged to be connected with the cylinder hoop (8),
the first side telescopic cylinder (6) and the second side telescopic cylinder (7) are respectively arranged to comprise a cylinder part (71), a hook part (72) and a fixed shaft part (73), the outer end of a telescopic rod of the cylinder part (71) is connected with the hook part (72) through a pin shaft, the fixed shaft part (73) is arranged at the middle part of the shell of the cylinder part (71) and is rotationally connected with the base (2), the first side telescopic cylinder (6) and the second side telescopic cylinder (7) are arranged to be distributed left and right along the vertical center line of the base (2), and the hydraulic circuit of the first side telescopic cylinder (6) and the hydraulic circuit of the second side telescopic cylinder (7) are respectively arranged to be communicated with the hydraulic device (3).
2. The roadway unit type advanced support for a fully-mechanized caving face of claim 1, wherein: the top beam (1), the base (2), the hydraulic device (3), the upright column group and the side telescopic cylinder group are mutually connected in a mode of adjusting the supporting position of the mining working face.
3. The roadway unit type advanced support for a fully-mechanized caving face of claim 1, wherein: the upright post group is arranged to comprise a first upright post (4) and a second upright post (5),
or the side telescopic cylinder group is provided to include a first side telescopic cylinder (6) and a second side telescopic cylinder (7),
or further comprises a first accessory device arranged on the column group, wherein the first accessory device comprises a barrel hoop (8) and a supporting plate (9),
or, a second attachment means is also included and is provided on the column set, the second attachment means being provided to include a first platen (92) and a second platen (93),
or, a third accessory device is also included and is provided on the first accessory device, the third accessory device being provided as a bail (91).
4. The roadway unit type lead frame for a fully-mechanized caving face of claim 3, wherein: a first upright post (4) and a second upright post (5) are respectively arranged between the top beam (1) and the base (2), a first side telescopic cylinder (6), a second side telescopic cylinder (7) and a supporting plate (9) are respectively arranged on the base (2), a first pressing plate (92) is respectively arranged between the first upright post (4) and the top beam (1) and between the second upright post (5) and the top beam (1), a second pressing plate (93) is respectively arranged between the first upright post (4) and the base (2) and between the second upright post (5) and the base (2), a barrel hoop (8) is respectively arranged on the first upright post (4) and the second upright post (5), a lifting ring (91) is arranged on the barrel hoop (8), and the first upright post (4), the second upright post (5), the first side telescopic cylinder (6) and the second side telescopic cylinder (7) are respectively arranged to be communicated with the hydraulic device (3).
5. The roadway unit type advanced support for a fully-mechanized caving face of claim 4, wherein: the first pressing plate (92) is arranged as a U-shaped sheet body, the inner side surface part of the first pressing plate (92) is arranged to be connected with the top beam (1) in a contact way, the buckling parts of the first pressing plate (92) are respectively arranged to be connected with the end head of a pin shaft arranged between the first upright post (4) and the top beam (1) and the end head of a pin shaft arranged between the second upright post (5) and the top beam (1) in an embedded way, the claw bodies of the buckles of the first pressing plate (92) are mutually connected through bolts,
or the second pressing plate (93) is a three-jaw sheet body, the claw parts of the second pressing plate (93) are connected with the base (2) through bolts, the inner side parts of the second pressing plate (93) are respectively connected with the base (2) in a contact way, the end heads of the pin shafts arranged between the first upright post (4) and the base (2) and the end heads of the pin shafts arranged between the second upright post (5) and the base (2),
or the barrel hoop (8) is a circular ring body, the inner side parts of the barrel hoop (8) are respectively connected with the first upright post (4) and the second upright post (5), the inner side parts of the barrel hoop (8) are respectively connected with the supporting plate (9) and the hanging ring (91),
Or the supporting plate (9) is a nail-shaped sheet body, the lower end of the supporting plate (9) is connected with the base (2), the left side surface part of the supporting plate (9) is connected with the barrel hoop (8) arranged on the second upright post (5) and the right side surface part of the supporting plate (9) is connected with the barrel hoop (8) arranged on the first upright post (4),
or, the lifting ring seat of the lifting ring (91) is connected with the barrel hoop (8) in a connecting way, and the ring of the lifting ring (91) is connected with the lifting ring seat of the lifting ring (91) in a connecting way.
6. The laneway unit type lead frame for a fully mechanized caving face according to any one of claims 1 to 5, characterized in that: the top beam (1) and the base (2) are distributed in a manner of double supporting cylinders and double dragging cylinders with the hydraulic device (3), the first upright (4), the second upright (5), the first side telescopic cylinder (6) and the second side telescopic cylinder (7), the top beam (1), the base (2), the hydraulic device (3), the first upright (4), the second upright (5), the first side telescopic cylinder (6) and the second side telescopic cylinder (7) are distributed in a manner of end face fixation with the first pressing plate (92) and the second pressing plate (93), the top beam (1), the base (2), the hydraulic device (3), the first upright (4), the second upright (5), the first side telescopic cylinder (6) and the second side telescopic cylinder (7) are distributed in a manner of middle support with the cylinder hoops (8), the support plates (9) and the hanging rings (91) are arranged to form a group of middle support parts, the fixed shaft part (73) of the first side telescopic cylinder (6) is respectively arranged to be connected with the first support plate (22) and the second support plate (23), the fixed shaft portion (73) of the second side telescopic cylinder (7) is provided rotatably coupled with the third support plate portion (24) and the fourth support plate portion (25), respectively.
7. A roadway unit type advanced support moving method for a fully-mechanized caving face is characterized by comprising the following steps: the method comprises the following steps: the leading support of the rear end face part is dragged to the middle part of the fully-mechanized caving face roadway by taking the leading support of the middle part as an action fulcrum, the leading support of the rear end face part is dragged to the front end of the leading support of the front end face part, the leading support of the rear end face part is dragged to the side surface of the fully-mechanized caving face roadway by taking the leading support of the front end face part as an action fulcrum, the leading support of the rear end face part is pushed by a side telescopic cylinder group of the leading support of the rear end face part, the leading support of the rear end face part is placed at the supporting position of the front end of the leading support of the front end face part,
in a fully-mechanized caving face roadway, when the fully-mechanized caving face is required to be supported forwards, the first upright (4) and the second upright (5) are in a contracted state through the reversing valve K1, the beam part (11) of the lead support III (83) and the beam part (11) of the lead support VI (86) are separated from the roadway roof coal of the fully-mechanized caving face, the first hanging ring (61) is arranged on the hanging hole plate part (29) at the front end of the lead support III (83), the second hanging ring (62) is arranged on the hanging hole plate part (29) at the rear end of the lead support V (85), the traction rope (64) is connected with the first hanging ring (61), one end of the traction rope (64) is connected with the telescopic rod of the traction telescopic cylinder (63), the telescopic rod of the traction telescopic cylinder (63) is contracted, the first hanging ring (61) is arranged on the hanging hole plate part (29) at the front end of the lead support III (83), the second hanging ring (62) is arranged on the middle part of the lead support V (85), the traction rope (64) is arranged on the middle part of the middle hanging hole plate part (81) at the front end of the lead support V (85), the middle hanging ring (63) is arranged on the middle part of the lead support III is separated from the middle hanging hole (63) and the middle part of the front end of the lead support (63) is arranged on the middle part of the roadway, the first hanging ring (61) is arranged on a hanging hole plate part (29) at the rear end of a lead bracket III (83), the second hanging ring (62) is arranged on the hanging hole plate part (29) at the front end of a lead bracket I (81), the traction rope (64) is strung on the second hanging ring (62), one end of the traction rope (64) is connected with the first hanging ring (61), the other end of the traction rope (64) is connected with a telescopic rod of a traction telescopic cylinder (63), the telescopic rod of the traction telescopic cylinder (63) is contracted, the lead bracket III (83) is driven to move to the left side surface of a fully-mechanized caving face roadway, the lead bracket III (83) is placed on the left side surface of the fully-mechanized caving face roadway, the first hanging ring (61) is arranged on the hanging hole plate part (29) at the front end of a lead bracket VI (86), the second hanging ring (62) is arranged on the hanging hole plate part (29) at the rear end of a lead bracket II (82), the rope (64) is strung on the other end of the traction rope (64) is connected with the telescopic rod of the traction rope (63), the lead bracket III (83) is driven to move to the left side surface of the fully-mechanized caving face roadway, the method comprises the steps of placing a lead support VI (86) on the middle part of a fully-mechanized caving face roadway, separating a traction rope (64) from a second hanging ring (62), retracting a telescopic rod of a traction telescopic cylinder (63) to drive the lead support VI (86) to move forwards to the front end of a lead support IV (84) along the middle part of the fully-mechanized caving face roadway, installing a first hanging ring (61) on a hanging hole plate part (29) at the rear end of the lead support VI (86), installing a second hanging ring (62) on a hanging hole plate part (29) at the front end of the lead support IV (84), stringing the traction rope (64) on the second hanging ring (62), connecting one end of the traction rope (64) with the first hanging ring (61), retracting the telescopic rod of the traction telescopic cylinder (63) to drive the first hanging ring (86) to move to the right side of the lead support VI (86) on the side of the fully-mechanized caving face roadway, connecting the lead support VI (6) with the lead support VI (6) on the first side of the lead support VI (6), connecting one end of the traction rope (64) with the telescopic rod of the first hanging ring (61) together, the first side telescopic cylinder (6) of the lead support III (83) and the first side telescopic cylinder (6) of the lead support VI (86) are in an extending state through the reversing valve K3, the reversing valve K2 enables the second side telescopic cylinder (7) of the lead support III (83) and the second side telescopic cylinder (7) of the lead support VI (86) to be in an extending state, the base (2) of the lead support III (83) and the base (2) of the lead support VI (86) are pushed to move along the transverse center line of the transverse cross section of the fully-mechanized working face roadway, so that the first side telescopic cylinder (6) of the lead support III (83) and the lead support VI (86) are fully-mechanized to the front end face part of the working face roadway, the first side telescopic cylinder (6) of the lead support III (83) is separated from the first side telescopic cylinder (6) of the lead support VI (86), the second side telescopic cylinder (7) of the lead support III (83) is separated from the second side telescopic cylinder (7) of the lead support VI (86), the first side telescopic cylinder (6) of the lead support III (83) is enabled to be in a retracting state through the reversing valve K3, and the second side telescopic cylinder (6) of the lead support VI (6) are enabled to be in a retracting state, the first upright post (4) and the second upright post (5) are in an extension state, so that the beam part (11) of the advance bracket III (83) and the beam part (11) of the advance bracket VI (86) act on the roadway roof coal of the fully-mechanized caving face.
CN201910258451.8A 2019-04-01 2019-04-01 Roadway unit type advanced support for fully mechanized caving face, arrangement distribution unit and moving method Active CN110080812B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2839562Y (en) * 2005-11-02 2006-11-22 何炳银 Movable tunnel hydraulic support
CN108412528A (en) * 2018-04-23 2018-08-17 山东塔高矿业机械装备制造有限公司 Based on the hydraulic support device and method for protecting support for extending tunnel
CN208605214U (en) * 2018-04-23 2019-03-15 山东塔高矿业机械装备制造有限公司 Middle tunnel end hydraulic support device
CN208605215U (en) * 2018-04-23 2019-03-15 山东塔高矿业机械装备制造有限公司 Advanced hydraulic support device based on haplotype tunnel
CN211851875U (en) * 2019-04-01 2020-11-03 山东塔高矿业机械装备制造有限公司 Roadway unit type advance support and arrangement distribution unit for fully mechanized caving face

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2839562Y (en) * 2005-11-02 2006-11-22 何炳银 Movable tunnel hydraulic support
CN108412528A (en) * 2018-04-23 2018-08-17 山东塔高矿业机械装备制造有限公司 Based on the hydraulic support device and method for protecting support for extending tunnel
CN208605214U (en) * 2018-04-23 2019-03-15 山东塔高矿业机械装备制造有限公司 Middle tunnel end hydraulic support device
CN208605215U (en) * 2018-04-23 2019-03-15 山东塔高矿业机械装备制造有限公司 Advanced hydraulic support device based on haplotype tunnel
CN211851875U (en) * 2019-04-01 2020-11-03 山东塔高矿业机械装备制造有限公司 Roadway unit type advance support and arrangement distribution unit for fully mechanized caving face

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