CN215860240U

CN215860240U - Supporting type hydraulic support for supporting foreroadway top plate of fully mechanized coal mining face

Info

Publication number: CN215860240U
Application number: CN202121028144.XU
Authority: CN
Inventors: 白斌
Original assignee: Shenzhen Forest Mouse Technology Development Co ltd
Current assignee: Shenzhen Forest Mouse Technology Development Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-02-18
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a supporting type hydraulic support for supporting a forepoling top plate of a fully mechanized mining face, which comprises a top beam structure and base structures, wherein the number of the base structures is two, the two base structures are respectively vertically compared with the front side and the rear side of the top beam structure, and a plurality of driving structures are fixedly connected to the end position between the top beam structure and the base structures and used for driving the top beam structure to lift through the driving structures. Has the advantages that: the whole top beam structure is formed in a sectional type and splicing type mode, the number of required welding points is reduced, the requirement of a welding process is favorably reduced, and meanwhile, the outer corner of the top section and the lower corner of the bottom section in each transverse rib are both positioned on the same semicircular stress surface, so that stress points of the top beam structure can fall on the same semicircular stress surface, the structural strength of the top beam structure is guaranteed, the pressure resistance is strong, the whole structure is stable, reliable and durable, and the volume of the top beam structure is favorably reduced.

Description

Supporting type hydraulic support for supporting foreroadway top plate of fully mechanized coal mining face

Technical Field

The utility model relates to the field of fully mechanized coal mining face advance roadway roof supporting equipment, in particular to a supporting type hydraulic support for fully mechanized coal mining face advance roadway roof supporting.

Background

At present, in the process of supporting the forepoling roof of the fully mechanized coal mining face, the forepoling hydraulic support is usually adopted to replace the traditional single-point support method for supporting, the hydraulic support is coal mining face equipment which is formed by combining a plurality of hydraulic elements and a plurality of metal structural members according to a certain connection mode and is used for supporting and controlling the roof, the lifting, the descending, the pushing and the basic action can be realized by depending on high-pressure liquid, a stand column and a corresponding power jack, but when the hydraulic support is designed,

1. because the top beam adopts an integral integrated top beam design, more welding points are required, the requirement on a welding process is higher, the top beam is large in size and heavy in weight, and in the process of installation, retraction and underground transportation of a roadway and a fully mechanized mining face, certain difficulty exists, special transportation vehicles or special auxiliary equipment are required for transportation and installation, meanwhile, in order to ensure that the top beam has enough strength, longitudinal beams and transverse ribs of the top beam need to be cut by a whole steel plate, a large amount of leftover materials can be generated to cause material waste, and meanwhile, spliced and butted steel plates can not be used as the longitudinal beams and the transverse ribs of the top beam;

2. because the mode that the stand structure directly pushed away from top to bottom usually adopts makes the back timber structure go up and down when the design, causes the unable slope of accomplishing front and back and both sides position of back timber structure, when combining the attached roof of adopting the working face, bottom plate and roof, bottom plate slope uneven, can't carry out effectual strut to combining and adopting the working face.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a supporting hydraulic support for supporting the top plate of the forepoling of the fully mechanized mining face, the whole top beam structure is formed in a sectional type and splicing type mode, a plurality of top beams are installed in groups and are flexibly arranged according to the change condition of the top plate, and the outer corner of the top section and the lower corner of the bottom section in each transverse rib are both positioned on the same semicircular stress surface, so that the stress points of the top beam structure can fall on the same semicircular stress surface, and the structural strength of the top beam structure is ensured, which is explained in detail below.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a supporting type hydraulic support for supporting a forepoling top plate of a fully mechanized mining face, which comprises a top beam structure and base structures, wherein the number of the base structures is two, the two base structures are respectively vertically compared with the front side and the rear side of the top beam structure, and the end part between the top beam structure and the base structures is fixedly connected with a plurality of driving structures for driving the top beam structure to lift through the driving structures;

and a multi-connecting-rod connecting structure is connected in the middle between the top beam structure and the base structure.

Preferably, the top beam structure comprises a plurality of transverse ribs and longitudinal beams, the transverse ribs are vertically arranged in the transverse direction, the transverse ribs are longitudinally overlapped and compared, the longitudinal beams are longitudinally arranged, and the transverse ribs and the longitudinal beams are vertically staggered;

the transverse ribs comprise top sections, inclined sections and bottom sections, the top sections are horizontally arranged, the inclined sections downwards extend from two sides of the top sections, the bottom sections horizontally arranged outwards extend from the bottoms of the inclined sections, and the outer corners of the top sections and the lower corners of the bottom sections in each transverse rib are located on the same semicircular stress surface;

the top surface of the top section is horizontally covered and connected with an upper cover plate along the longitudinal direction, the outer side of the inclined section is obliquely covered and connected with an upper side plate along the longitudinal direction, the top surface of the bottom section is horizontally covered and connected with a lower cover plate along the longitudinal direction, the outer side of the bottom section is vertically covered and connected with a lower side plate along the longitudinal direction, and the edges of the upper cover plate, the upper side plate, the lower cover plate and the lower side plate are connected.

Preferably, the transverse ribs are uniformly distributed in the longitudinal direction and are of a trapezoidal top structure;

the longitudinal beams are uniformly distributed in the transverse direction;

the transverse ribs and the longitudinal beams are welded in a staggered mode through splicing and butting steel plates;

reinforcing ribs extend and are fixed at the inner corners of the joints of the top sections and the inclined sections in each transverse rib;

the bottom surface middle part of lower plate is fixed with be used for with the connecting seat that many connecting rods connection structure is connected, horizontal muscle with the tip bottom surface of longeron front and back both sides all seted up be used for with the mounting groove that drive structure is connected.

As preferred, the lower plate with a plurality of pairs of mounting holes have all been seted up in the outside of base structure, just the mounting hole is the through-hole, and every is every right the subassembly is transferred to the side all installed to the mounting hole, the subassembly is transferred to the side specifically is: the side adjusting device is characterized in that side adjusting jacks are coaxially fixed at the inner ends of the mounting holes and extend out of the outer end portions of the mounting holes in a sliding fit mode, side adjusting connectors are connected to the outer end portions of the mounting holes, and side adjusting connecting rods for side pulling adjustment are hinged between the side adjusting connectors.

Preferably, the multi-link connecting structure is specifically: the front and rear positions of the middle section of the bottom surface of the top beam structure are respectively fixed with the connecting seats, the connecting seats are in front-rear contrast, a first pin shaft is longitudinally and rotatably connected between each two connecting seats, and a connecting ball is coaxially and rotatably matched with the middle section of the first pin shaft, which corresponds to the connecting seats;

the shield beam is located below the connecting seat, the upper end of the shield beam is connected with a fixed hemispherical cover, the outer side of the fixed hemispherical cover is folded and fixed with a movable hemispherical cover, and the fixed hemispherical cover and the movable hemispherical cover are arranged on the periphery of the connecting ball and are in sliding fit with the connecting ball.

Preferably, the connecting seat is fixedly inserted at the two ends of the first pin shaft to limit the first pin shaft from being separated from the connecting seat and rotating around the connecting seat, the lower section of the shield beam is a matching seat, the lower part of the matching seat is rotatably connected with the rear connecting rod through a third pin shaft along the longitudinal direction, and the upper part of the matching seat is rotatably connected with the front connecting rod through a second pin shaft along the longitudinal direction.

Preferably, the number of the matching seats at the lower part of the shield beam is three, the matching seats are overlapped and compared along the longitudinal direction, and the upper parts of the front connecting rod and the rear connecting rod are divided into two parts and are respectively positioned between two matching seats adjacent to each other;

the tail ends of the front connecting rod and the rear connecting rod are rotatably connected with the base structure along a longitudinal supporting shaft;

the connecting ball is a smooth solid ball, the connecting ball is made of stainless steel, the fixed hemispherical cover and the movable hemispherical cover are connected with each other in a clamping groove mode, and the limiting is carried out through the pin.

Preferably, the driving structure is specifically: a plurality of upright post assemblies are arranged at the end part between the top beam structure and the base structure and are used for driving the top beam structure to lift through the upright post assemblies;

the two sides of the base structure are respectively embedded with a plurality of fixed seats, the tops of the fixed seats are both recessed downwards and provided with grooves, and the bottom ends of the upright post components are respectively fixed with a convex block matched with the grooves and used for driving the upright post components to incline in a mode that the convex blocks slide around the grooves;

the top of stand subassembly all is connected with the footstock through the universal joint, just the footstock all inlays the dress to be fixed the back timber structure bottom corresponds the mounting groove is used for passing through the universal joint makes the footstock drives the back timber structure winds stand subassembly top slope.

Preferably, the two upright post assemblies connected with the base structure are two or four, and the upright post assemblies on the same side are symmetrically arranged.

Preferably, the upright post assembly comprises a first-stage hydraulic cylinder, a second-stage hydraulic cylinder and a third-stage hydraulic cylinder, the bottom end of the first-stage hydraulic cylinder is fixedly connected with the bump, the upper part of the first-stage hydraulic cylinder is coaxially provided with the second-stage hydraulic cylinder and the third-stage hydraulic cylinder which can stretch and retract back and forth, and the top end of the third-stage hydraulic cylinder is connected with the universal joint;

the two base structures are connected together through a connecting beam, the connecting beam is of a multi-section structure, and the connecting beam is hinged to the base structures and used for enabling the base structures to move up and down when the base structures are arranged in an uneven mode;

the front and back positions of the bottom of the primary hydraulic cylinder are respectively provided with a pressing plate for restraining the primary hydraulic cylinder (504), the pressing plate is connected with one end of the base structure through a clamping position, the other end of the base structure is connected through a pin shaft, the pressing plate presses the upper end of the bump and is used for pressing the primary hydraulic cylinder to prevent the primary hydraulic cylinder from moving up and down, and the pressing plate and the bump move in a sliding mode.

By adopting the supporting type hydraulic support for supporting the top plate of the fully mechanized mining face, in the design process of the top beam structure, the transverse ribs and the longitudinal beams are welded in a staggered mode through steel plate splicing and butt joint, the upper cover plate, the upper side plate, the lower cover plate and the lower side plate are covered on the periphery of the spliced transverse ribs and longitudinal beams, so that the spliced transverse ribs and longitudinal beams form a complete top beam structure stably, the manufacturing mode of cutting a whole steel plate is replaced, the manufacturing difficulty is reduced, the steel plate raw materials are conveniently and fully utilized, the material waste is avoided, meanwhile, the transverse ribs and the longitudinal beams are welded in a staggered mode through steel plate splicing and butt joint, the whole top beam structure is formed in a sectional mode and a splicing mode, and the outer corners of the top section and the lower corners of the bottom section in each transverse rib are positioned on the same semicircular stress surface, therefore, stress points of the top beam structure in the supporting process can fall on the same semicircular stress surface, the structural strength of the top beam structure is guaranteed, the pressure resistance is strong, the whole structure is stable, reliable and durable;

the multi-connecting-rod connecting structure is arranged in the process of setting, the connecting seat of the top beam structure is inserted with the first pin shaft and the middle part of the first pin shaft is rotatably connected with the connecting ball, meanwhile, the shield beam covers the periphery of the connecting ball in a sliding mode with the connecting ball after being folded and connected through the fixed hemispherical cover and the movable hemispherical cover, so that the top beam structure can be inclined forwards and backwards or inclined at two sides in a mode that the fixed hemispherical cover and the movable hemispherical cover surround the outer circular surface of the connecting ball in a sliding mode, the maximum inclination angle of the two sides of the top beam structure can reach 25 degrees, the top beam structure has larger inclination amplitude, the top beam structure can be effectively supported when coping with the situation that the top plate, the bottom plate are bulged and the top plate and the bottom plate are not inclined, and the safety of workers can be protected, Alleviate operation personnel's intensity of labour, improve work efficiency, simultaneously shield the roof beam hypomere the cooperation seat passes through respectively a round pin axle rotates to be connected preceding connecting rod, through two rotations of round pin axle are connected with the back connecting rod, just preceding connecting rod with the tail end of connecting rod all is connected with along vertical rotation down the back shaft for link to each other with hydraulic support's base, so pass through shield the roof beam preceding connecting rod back connecting rod and hydraulic support base constitute four-bar linkage jointly, realize the back timber structure is connected reliable and stable with hydraulic support base, can make the displacement interval around the two kinks in back and forth in back timber structure both ends reach 5.4- -28.9mm, further messenger the back timber structure has great inclination in the front and back direction, thereby makes the back timber structure in reply roof, bottom plate heave and roof, When the bottom plate is not inclined normally, stable and effective support is further achieved;

the drive structure is setting up the in-process, the back timber structure with correspond all be connected with a plurality of between the base structure stand subassembly specifically is: in the stand subassembly the top of tertiary pneumatic cylinder is passed through the universal joint is connected with the footstock, the footstock inlays the dress and fixes top beam structure bottom, simultaneously the bottom of stand subassembly is fixed with the lug, the lug with the fixing base the recess adaptation can be wound the recess slides, just the front and back position of one-level pneumatic cylinder bottom all sets up and is used for retraining the clamp plate of one-level pneumatic cylinder, thereby through tertiary pneumatic cylinder can drive the top beam structure rises, and this in-process passes through the footstock wind universal joint pivoted mode can drive the footstock structure is inclined in the front and back direction, through the lug is wound the gliding mode of recess can drive the top beam structure is inclined in the both sides direction, makes then the mode adaptation roof of top beam structure through front and back slope or both sides slope, the footstock, The situation when the bottom plate bulges and the situation when the top plate and the bottom plate are not inclined at ordinary times is ensured, the fully mechanized mining work advanced roadway is effectively supported, meanwhile, the top beam structure and the base structure are combined, the number of the stand components can be four or eight, then different supporting capabilities can be selected according to the actual supporting requirement of the fully mechanized mining work advanced roadway during design, and the use flexibility of the device is improved.

Has the advantages that: 1. the whole top beam structure is formed in a sectional type and splicing type mode, a plurality of top beams are installed in groups and are flexibly arranged according to the change condition of the top plate, and the outer corner of the top section and the lower corner of the bottom section in each transverse rib are both positioned on the same semicircular stress surface, so that stress points of the top beam structure can fall on the same semicircular stress surface, the structural strength of the top beam structure is guaranteed, the pressure resistance is strong, the whole structure is stable, and the top beam structure is reliable and durable;

2. the transverse ribs and the longitudinal beams are formed in a staggered mode through splicing and butting steel plates, and an upper cover plate, an upper side plate, a lower cover plate and a lower side plate are covered on the periphery of the spliced transverse ribs and longitudinal beams to form a complete top beam structure, so that the manufacturing difficulty is reduced, the steel plate raw materials are conveniently and fully utilized, and the material waste is avoided;

3. the connecting seat of the top beam structure is inserted with a first pin shaft, the middle part of the pin shaft is rotatably connected with a connecting ball, the shield beam is in sliding fit with the connecting ball in a mode that the shield beam is covered on the periphery of the connecting ball after being connected in a folding mode through a fixed hemispherical cover and a movable hemispherical cover, so that the top beam structure can be inclined forwards and backwards or inclined on two sides in a mode that the fixed hemispherical cover and the movable hemispherical cover slide on the periphery of the connecting ball, the maximum inclination angle of the two sides can reach 25 degrees, and then the top beam structure has larger inclination amplitude, so that the top beam structure can still realize effective support when dealing with the situation that a top plate, a bottom plate swell and the top plate and the bottom plate incline unevenly, the safety of workers is protected, the labor intensity of the workers is reduced, and the working efficiency is improved;

4. the shield beam, the front connecting rod, the rear connecting rod and the hydraulic support base form a four-connecting-rod mechanism together, the connection between the top beam structure and the hydraulic support base is stable and reliable, the front-rear displacement interval of double-twisted lines at two ends of the top beam structure can reach 5.4-28.9 mm, and the top beam structure is further enabled to have larger inclination amplitude in the front-rear direction, so that the top beam structure can be further stably and effectively supported when coping with the bulging of a top plate and a bottom plate and the inclination of the top plate and the bottom plate is not normal;

5. the three-stage hydraulic cylinder at the top of the upright post assembly is connected with the top seat through the universal joint and is fixedly connected with the top beam structure through the top seat, and meanwhile, the bump at the bottom of the upright post assembly is sunk into the groove of the fixed seat to be matched in a sliding way and can slide around the groove, so that the lifting device can adapt to the conditions of the heave of the top plate and the bottom plate and the uneven inclination of the top plate and the bottom plate in the process of driving the top beam structure to rise through a front-back inclination or two-side inclination manner, and the effective support of the fully mechanized mining advanced roadway is ensured;

6. the number of the stand column assemblies between the top beam structure and the base structure can be four or eight, the number of the stand column assemblies with different supporting capabilities can be selected according to the actual supporting requirement of the fully-mechanized mining working advanced roadway during design, and the use flexibility of the device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an axial detonation of the present invention;

FIG. 2 is a schematic bottom view of the multi-link linkage of FIG. 1 in accordance with the present invention;

FIG. 3 is a top plan schematic view of the cap construction of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic axial detonation view of the drive structure of FIG. 1 in accordance with the present invention;

FIG. 5 is an isometric overall schematic view of the present invention.

The reference numerals are explained below:

1. a top beam structure; 101. an upper cover plate; 102. an upper side plate; 103. a lower cover plate; 104. a lower side plate; 105. transverse ribs; 106. mounting holes; 107. a top section; 108. an inclined section; 109. a bottom section; 1010. Reinforcing ribs; 1011. a stringer; 1012. a connecting seat; 1013. mounting grooves; 2. a side adjustment component; 201. a side adjusting connecting rod; 202. a side adjusting connector; 203. laterally adjusting a jack; 3. a base structure; 4. a connecting beam; 5. a drive structure; 501. a top seat; 502. a third-stage hydraulic cylinder; 503. a secondary hydraulic cylinder; 504. A first-stage hydraulic cylinder; 505. a fixed seat; 506. pressing a plate; 507. a column assembly; 508. a universal joint; 509. a bump; 5010. a groove; 6. a multi-link connection structure; 601. a support shaft; 602. a rear connecting rod; 603. a front link; 604. a mating seat; 605. a third pin shaft; 606. covering the beam; 607. a first pin shaft; 608. a movable hemispherical cover; 609. fixing a hemispherical cover; 6010. a connecting ball; 6011. and a second pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 5, the utility model provides a supporting hydraulic support for supporting a roof of an advanced roadway of a fully mechanized mining face, which comprises a top beam structure 1 and base structures 3, wherein the number of the base structures 3 is two, and the two base structures are respectively in up-down contrast with the front side and the rear side of the top beam structure 1, and a plurality of driving structures 5 are fixedly connected to the end positions between the top beam structure 1 and the base structures 3, and are used for driving the top beam structure 1 to lift through the driving structures 5. A multi-connecting-rod connecting structure 6 is connected in the middle between the top beam structure 1 and the base structure 3.

As a preferable scheme of the scheme, the top beam structure 1 comprises a plurality of transverse ribs 105 and longitudinal beams 1011, wherein the transverse ribs 105 are vertically arranged in the transverse direction, the transverse ribs 105 are longitudinally overlapped and compared, the longitudinal beams 1011 are longitudinally overlapped and compared, the transverse ribs 105 and the longitudinal beams 1011 are vertically staggered; the transverse ribs 105 comprise top sections 107, inclined sections 108 and bottom sections 109, the top sections 107 are horizontally arranged, the inclined sections 108 extend downwards from two sides of the top sections 107, the bottom sections 109 horizontally arranged extend outwards from the bottoms of the inclined sections 108, and the outer corners of the top sections 107 and the lower corners of the bottom sections 109 in each transverse rib 105 are located on the same semicircular stress surface; the top surfaces of the top sections 107 are covered and connected by an upper cover plate 101 horizontally along the longitudinal direction, the outer sides of the inclined sections 108 are covered and connected by an upper side plate 102 obliquely along the longitudinal direction, the top surfaces of the bottom sections 109 are covered and connected by a lower cover plate 103 horizontally along the longitudinal direction, the outer sides of the bottom sections 109 are covered and connected by a lower side plate 104 vertically along the longitudinal direction, and the edges of the upper cover plate 101, the upper side plate 102, the lower cover plate 103 and the lower side plate 104 are jointed.

The transverse ribs 105 are uniformly distributed in the longitudinal direction, the transverse ribs 105 are of a trapezoidal top structure, so that the stress points of the top beam structure 1 fall on the same semicircular stress surface through the structural design of the trapezoidal top of the transverse ribs 105, the structural strength and the compressive strength of the top beam structure 1 are guaranteed, the longitudinal beams 1011 are uniformly distributed in the transverse direction, and the whole top beam structure 1 is guaranteed to have good bearing strength and stable service life in the longitudinal direction through the uniformly distributed longitudinal beams 1011;

the transverse ribs 105 and the longitudinal beams 1011 are welded in a staggered mode through splicing and butt joint of steel plates, reinforcing ribs 1010 are fixedly extended at the inner corners of the joints of the top sections 107 and the inclined sections 108 in each transverse rib 105, and by the arrangement, the connection of the top sections 107 and the inclined sections 108 is conveniently enhanced through the reinforcing ribs 1010, so that the bearing capacity of the whole transverse rib 105 is enhanced;

bottom surface middle part of lower plate 104 is fixed with the connecting seat 1012 that is used for being connected with many connecting rod connection structure 6, the mounting groove 1013 that is used for being connected with drive structure 5 is all offered to the tip bottom surface of both sides around horizontal muscle 105 and longeron 1011, so set up, be convenient for through connecting seat 1012 and many connecting rod connection structure 6 firm connection, drive back timber structure 1 lift with this many connecting rod structure through shielding roof beam 606, support the leading tunnel of the full-mechanized mining work, be convenient for simultaneously inlay through the connecting groove and adorn fixed drive structure 5, then drive back timber structure 1 through drive structure 5 and go up and down.

A plurality of pairs of mounting holes 106 have all been seted up in the outside of lower plate 104 and base structure 3, and mounting hole 106 is the through-hole, and every is all installed the side and transfers subassembly 2 to mounting hole 106, and subassembly 2 is transferred to the side specifically is: jack 203 is transferred to the side to the equal coaxial fixation of inner end department of mounting hole 106, jack 203 is transferred to the side has the side to transfer the connector 202 with the outer end connection that sliding fit stretches out mounting hole 106, and transfer with the side that to have between the connector 202 articulated have for the side to draw the side of adjusting to transfer connecting rod 201, so set up, be convenient for set up many to mounting hole 106 for the firm mounting side transfers subassembly 2, be convenient for simultaneously transfer connector 202 and the side to transfer connecting rod 201 complex mode to carry out the side to draw the regulation to top beam structure 1 and base structure 3 through the side.

The multi-link connecting structure 6 is specifically: connecting seats 1012 are fixed at the front and rear positions of the middle section of the bottom surface of the top beam structure 1, the connecting seats 1012 are opposite front and rear, a first pin shaft 607 is longitudinally and rotatably connected between each connecting seat 1012, and a connecting ball 6010 is coaxially and rotatably matched with the middle section of the first pin shaft 607 between the corresponding connecting seats 1012; the shield beam 606 is positioned below the connecting seat 1012, the upper end of the shield beam 606 is connected with a fixed hemispherical cover 609, the outer side of the fixed hemispherical cover 609 is folded and fixed with a movable hemispherical cover 608, and the fixed hemispherical cover 609 and the movable hemispherical cover 608 cover the periphery of the connecting ball 6010 and are in sliding fit with the connecting ball 6010.

The positions of the two ends of the first pin shaft 607 of the connecting seat 1012 are respectively fixedly inserted with a flat plate pin so as to limit the first pin shaft 607 from being separated from the connecting seat 1012 and rotating around the connecting seat 1012, the lower section of the shield beam 606 is a matching seat 604, the lower part of the matching seat 604 is rotatably connected with the rear connecting rod 602 through a third pin shaft 605 along the longitudinal direction, and the upper part of the matching seat 604 is rotatably connected with the front connecting rod 603 through a second pin shaft 6011 along the longitudinal direction.

The matching seats 604 at the lower part of the shield beam 606 are three and are overlapped and compared along the longitudinal direction, the upper parts of the front connecting rod 603 and the rear connecting rod 602 are divided into two parts and are respectively positioned between two matching seats 604 which are adjacent to each other, the tail ends of the front connecting rod 603 and the rear connecting rod 602 are rotatably connected with the base structure 3 along the longitudinal supporting shaft 601, so arranged, the front connecting rods 603 can rotate around the lower section of the shield beam 606, and then the top beam structure 1 can be lifted up and supported or descended for evacuation smoothly, meanwhile, a four-bar mechanism can be formed by the shield beam 606, the front connecting bar 603, the rear connecting bar 602 and the base structure 3, the connection between the top beam structure 1 and the base structure 3 is stable and reliable, and meanwhile, the front-back displacement interval of the double-twisted lines at the two ends of the top beam structure 1 can reach 5.4-28.9 mm, so that the top beam structure 1 has larger inclination amplitude in the front-back direction;

connecting ball 6010 is smooth solid ball, and connecting ball 6010 is stainless steel, and fixed hemisphere lid 609 and activity hemisphere lid 608 pass through pin joint, so set up, and the preceding connecting rod 603 and back connecting rod 602 all have enough stable joint strength and reliability when rotating with the cooperation seat 604 that shields the roof beam 606 lower part and be connected, are convenient for simultaneously make the tail end of preceding connecting rod 603 and back connecting rod 602 can rotate with base structure 3 respectively through the mode of interlude back shaft 601 and be connected.

The drive structure 5 is specifically: a plurality of upright post assemblies 507 are arranged at the end part between the top beam structure 1 and the base structure 3, and are used for driving the top beam structure 1 to lift through the upright post assemblies 507; a plurality of fixing seats 505 are embedded on two sides of the base structure 3, the tops of the fixing seats 505 are recessed downwards to form grooves 5010, and the bottom ends of the upright post components 507 are fixed with protrusions 509 matched with the grooves 5010, so that the upright post components 507 are driven to incline in a manner that the protrusions 509 slide around the grooves 5010; the top of the column assembly 507 is connected to the top seat 501 through the universal joint 508, and the top seat 501 is embedded and fixed in the corresponding mounting groove 1013 at the bottom of the top beam structure 1, so as to make the top seat 501 drive the top beam structure 1 to incline around the top of the column assembly 507 through the universal joint 508.

The column assembly 507 that two base structure 3 connect is two or four, and the column assembly 507 symmetry of homonymy sets up, so set up, be convenient for just can strut to combining the working face advance tunnel roof when only adopting less bearing capacity, guarantee the ability of strutting when simplifying the project organization through the mode that only sets up four column assembly 507, be convenient for simultaneously when needing to adopt great bearing capacity just can strut to combining the working face advance tunnel roof, ensure to have enough bearing and strut the ability through the mode that sets up eight column assembly 507.

The upright post component 507 comprises a first-stage hydraulic cylinder 504, a second-stage hydraulic cylinder 503 and a third-stage hydraulic cylinder 502, the bottom end of the first-stage hydraulic cylinder 504 is fixedly connected with a bump 509, the upper part of the first-stage hydraulic cylinder 504 is coaxially provided with the second-stage hydraulic cylinder 503 and the third-stage hydraulic cylinder 502 which can stretch and retract back and forth, and the top end of the third-stage hydraulic cylinder 502 is connected with a universal joint 508, so that the top beam structure 1 is driven to lift and fall in a manner that the third-stage hydraulic cylinder 502 stretches and retracts along the axial direction of the first-stage hydraulic cylinder 504, meanwhile, the structure of the top seat 501 can be driven to tilt in the front and back direction in a manner that the top seat 501 rotates around the universal joint 508, the third-stage hydraulic cylinder 502 can smoothly stretch and retract along the axial direction of the first-stage hydraulic cylinder 504 through the arrangement of the second-stage hydraulic cylinder 503, and meanwhile, dirt can be prevented from being brought into the first-stage hydraulic cylinder 504 when the third-stage hydraulic cylinder 502 contracts;

the two base structures 3 are connected together through the connecting beam 4, the connecting beam 4 is a multi-section structure, and the connecting beam 4 is hinged with the base structures 3, so as to realize that the base structures 3 can move up and down when the height is not flat, the arrangement is convenient, the two base structures 3 can be stably connected together through the connecting beam 4, meanwhile, the convenience is brought for materials or equipment to pass through the lower part of the top beam structure 1 by dismounting the connecting beam 4, and the base structures 3 can move up and down when the height is not flat by tilting the connecting beam 4, the front and rear positions at the bottom of the primary hydraulic cylinder 504 are both provided with the pressing plates 506 for restraining the primary hydraulic cylinder 504, the pressing plates 506 are connected with one end of the base structures 3 through clamping positions, the other end is connected through the pin shaft, the pressing plates 506 are pressed on the upper ends of the convex blocks 509 and are used for pressing the primary hydraulic cylinder 504, so as to prevent the primary hydraulic cylinder 504 from moving up and down, and the pressure plate 506 and the projection 509 are slidably moved, so that the primary hydraulic cylinders 504 are restrained by the pressure plates 506 at the front and rear positions of the bottom of each primary hydraulic cylinder 504, and the top beam structure 1 can be inclined towards two sides.

By adopting the structure, in the design process of the top beam structure 1, the transverse ribs 105 and the longitudinal beams 1011 are all welded in a staggered way in a steel plate splicing and butt joint mode, the periphery of the spliced transverse ribs 105 and the spliced longitudinal beams 1011 is covered with the upper cover plate 101, the upper side plate 102, the lower cover plate 103 and the lower side plate 104, so that the spliced transverse ribs 105 and the spliced longitudinal beams 1011 are stably combined into the complete top beam structure 1, the manufacturing mode of cutting a whole steel plate is replaced, the manufacturing difficulty is reduced, the steel plate raw materials are conveniently and fully utilized, the material waste is avoided, meanwhile, the transverse ribs 105 and the longitudinal beams 1011 are welded in a staggered way of splicing and butt joint through steel plates, the whole top beam structure 1 is formed in a sectional and splicing mode, the outer corner of the top section 107 in each transverse rib 105 and the lower corner of the bottom section 109 are both positioned on the same semicircular stress surface, so that the stress points of the top beam structure 1 in the supporting process can be positioned on the same semicircular stress surface, the structural strength of the top beam structure 1 is guaranteed, the pressure resistance is strong, the whole structure is stable, and the reliability and the durability are ensured;

in the setting process of the multi-connecting-rod connecting structure 6, a first pin shaft 607 is inserted into a connecting seat 1012 of the top beam structure 1, the middle part of the first pin shaft 607 is rotatably connected with a connecting ball 6010, meanwhile, a shield beam 606 is connected with the periphery of the connecting ball 6010 in a folding manner through a fixed half ball cover 609 and a movable half ball cover 608, and is in sliding fit with the connecting ball 6010 in a manner that the rear cover is covered on the periphery of the connecting ball 6010, so that the top beam structure 1 can be inclined forwards and backwards or inclined at two sides in a manner that the fixed half ball cover 609 and the movable half ball cover 608 slide around the outer circular surface of the connecting ball 6010 on the periphery of the connecting ball 6010, the maximum inclination angle of the two sides of the top beam structure 1 can reach 25 degrees, and then the top beam structure 1 has a large inclination amplitude, so that the top beam structure 1 can still realize effective support when coping with the situation that the top plate, the bottom plate swell and the top plate are not inclined, thereby protecting the safety of workers, reducing the labor intensity of the workers and improving the working efficiency, meanwhile, the matching seats 604 at the lower section of the shield beam 606 are respectively and rotatably connected with the front connecting rod 603 through a first pin shaft 607 and rotatably connected with the rear connecting rod 602 through a second pin shaft 6011, and the tail ends of the front connecting rod 603 and the lower connecting rod are respectively and rotatably connected with the supporting shaft 601 along the longitudinal direction for connecting with the base of the hydraulic support, so that a four-connecting-rod mechanism is formed by the shield beam 606, the front connecting rod 603, the rear connecting rod 602 and the base of the hydraulic support together, the connection of the top beam structure 1 and the base of the hydraulic support is stable and reliable, meanwhile, the front-rear displacement interval of double-twisted lines at two ends of the top beam structure 1 can reach 5.4-28.9 mm, and the top beam structure 1 further has a large inclination amplitude in the front-rear direction, so that the top beam structure 1 can further realize stable and effective supporting when coping with the top plate, the bottom plate bulging and the uneven inclination of the top plate;

drive structure 5 all is connected with a plurality of stand subassembly 507 between roof beam structure 1 and the base structure 3 that corresponds in setting up the in-process, specifically is: the top of a third-level hydraulic cylinder 502 in an upright component 507 is connected with a top seat 501 through a universal joint 508, the top seat 501 is embedded and fixed at the bottom of a top beam structure 1, meanwhile, a lug 509 is fixed at the bottom of the upright component 507, the lug 509 is matched with a groove 5010 of a fixed seat 505 and can slide around the groove 5010, and pressure plates 506 used for restraining the first-level hydraulic cylinder 504 are arranged at the front and back positions of the bottom of the first-level hydraulic cylinder 504, so that the top beam structure 1 can be driven to ascend through the third-level hydraulic cylinder 502, the top seat 501 can be driven to incline in the front and back direction through the mode that the top seat 501 rotates around the universal joint 508 in the process, the top seat 501 can be driven to incline in the front and back direction through the mode that the lug 509 slides around the groove 5010, and then the top beam structure 1 can be driven to incline in the two side directions, and the top beam structure 1 can adapt to the situations that the top plate, the bottom plate is raised and the top plate and the bottom plate are not inclined, thereby ensuring effective support of the advanced roadway of fully mechanized mining work, meanwhile, the total number of the upright post assemblies 507 between the top beam structure 1 and the base structure 3 can be four or eight, so that the number of the upright post assemblies 507 with different supporting capabilities can be selected according to the actual supporting requirement of the fully mechanized mining working advanced roadway during design, and the use flexibility of the device is improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A support formula hydraulic support for being directed at combine and adopt working face advance tunnel roof to strut, including back timber structure (1) and base structure (3), its characterized in that: the number of the base structures (3) is two, the two base structures are respectively vertically compared with the front side and the rear side of the top beam structure (1), and a plurality of driving structures (5) are fixedly connected to the end position between the top beam structure (1) and the base structures (3) and used for driving the top beam structure (1) to lift through the driving structures (5);

the middle position between the top beam structure (1) and the base structure (3) is connected with a multi-connecting-rod connecting structure (6).

2. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 1, characterized in that: the top beam structure (1) comprises a plurality of transverse ribs (105) and longitudinal beams (1011), wherein the transverse ribs (105) are vertically arranged in the transverse direction, the transverse ribs (105) are longitudinally overlapped and compared, the longitudinal beams (1011) are longitudinally overlapped and compared, the transverse ribs (105) and the longitudinal beams (1011) are vertically staggered;

the transverse ribs (105) comprise top sections (107), inclined sections (108) and bottom sections (109), the top sections (107) are horizontally arranged, the inclined sections (108) extend downwards from two sides of the top sections (107), the bottom sections (109) horizontally arranged extend outwards from the bottoms of the inclined sections (108), and the outer corners of the top sections (107) and the lower corners of the bottom sections (109) in each transverse rib (105) are located on the same semicircular stress surface;

the top surfaces of the top sections (107) are horizontally and longitudinally covered and connected by an upper cover plate (101), the outer sides of the inclined sections (108) are horizontally and longitudinally covered and connected by an upper side plate (102), the top surfaces of the bottom sections (109) are horizontally and longitudinally covered and connected by a lower cover plate (103), the outer sides of the bottom sections (109) are vertically and longitudinally covered and connected by a lower side plate (104), and the edges of the upper cover plate (101), the upper side plate (102), the lower cover plate (103) and the lower side plate (104) are jointed.

3. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 2, characterized in that: the transverse ribs (105) are uniformly distributed in the longitudinal direction, and the transverse ribs (105) are of a trapezoidal top structure;

the longitudinal beams (1011) are uniformly distributed in the transverse direction;

the transverse ribs (105) and the longitudinal beams (1011) are welded in a staggered mode through splicing and butt joint of steel plates;

a reinforcing rib (1010) extends and is fixed at the inner corner of the joint of the top section (107) and the inclined section (108) in each transverse rib (105);

the middle of the bottom surface of the lower side plate (104) is fixedly provided with a connecting seat (1012) used for being connected with the multi-connecting-rod connecting structure (6), and the bottom surfaces of the end parts of the front side and the rear side of the transverse rib (105) and the longitudinal beam (1011) are respectively provided with a mounting groove (1013) used for being connected with the driving structure (5).

4. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 3, characterized in that: lower plate (104) with a plurality of mounting holes (106) have all been seted up to the outside of base structure (3), just mounting holes (106) are the through-hole, and every is every right mounting holes (106) all install the side and transfer subassembly (2), subassembly (2) are transferred to the side specifically is: the inner end of the mounting hole (106) is coaxially fixed with a side adjusting jack (203), the side adjusting jack (203) extends out of the outer end of the mounting hole (106) in a sliding fit mode and is connected with a side adjusting connector (202), and a side adjusting connecting rod (201) used for side pulling adjustment is hinged between the side adjusting connectors (202).

5. The supporting hydraulic support for supporting the forepoling roof of the fully mechanized mining face according to claim 3 or 4, characterized in that: the multi-connecting-rod connecting structure (6) is specifically as follows: the front and rear positions of the middle section of the bottom surface of the top beam structure (1) are respectively fixed with the connecting seats (1012), the connecting seats (1012) are in front-rear contrast, a first pin shaft (607) is longitudinally and rotatably connected between each two connecting seats (1012), and a connecting ball (6010) is coaxially and rotatably matched with the middle section of the first pin shaft (607) between the corresponding connecting seats (1012);

the shield beam (606) is located below the connecting seat (1012), the upper end of the shield beam (606) is connected with a fixed hemispherical cover (609), the outer side of the fixed hemispherical cover (609) is folded and fixed with a movable hemispherical cover (608), and the fixed hemispherical cover (609) and the movable hemispherical cover (608) cover the periphery of the connecting ball (6010) and are in sliding fit with the connecting ball (6010).

6. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 5, characterized in that: the shield beam is characterized in that flat plate pins are fixedly inserted into the connecting seat (1012) at the two ends of the first pin shaft (607) in the penetrating mode to limit the first pin shaft (607) and the connecting seat (1012) to be separated and to rotate around the connecting seat (1012), the lower section of the shield beam (606) is a matching seat (604), the lower portion of the matching seat (604) is rotatably connected with the rear connecting rod (602) through a third pin shaft (605) along the longitudinal direction, and the upper portion of the matching seat (604) is rotatably connected with the front connecting rod (603) through a second pin shaft (6011) along the longitudinal direction.

7. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 6, characterized in that: the number of the matching seats (604) at the lower part of the shield beam (606) is three, the matching seats are longitudinally overlapped and compared, and the upper parts of the front connecting rod (603) and the rear connecting rod (602) are divided into two parts and are respectively positioned between two matching seats (604) which are adjacent to each other;

the tail ends of the front connecting rod (603) and the rear connecting rod (602) are rotatably connected with the base structure (3) along a longitudinal supporting shaft (601);

the connecting ball (6010) is a smooth solid ball, the connecting ball (6010) is made of stainless steel, the fixed hemispherical cover (609) and the movable hemispherical cover (608) are connected with each other in a clamping groove mode, and then limiting is conducted through the pin.

8. The supporting hydraulic support for supporting the forepoling roof of the fully mechanized mining face according to claim 6 or 7, characterized in that: the driving structure (5) is specifically: a plurality of upright post assemblies (507) are arranged at the end part between the top beam structure (1) and the base structure (3) and are used for driving the top beam structure (1) to lift through the upright post assemblies (507);

the base structure comprises a base structure (3) and is characterized in that a plurality of fixed seats (505) are embedded on two sides of the base structure (3), the tops of the fixed seats (505) are recessed downwards to form grooves (5010), and protrusions (509) matched with the grooves (5010) are fixed at the bottom ends of upright post components (507) and are used for driving the upright post components (507) to incline in a mode that the protrusions (509) slide around the grooves (5010);

the top of stand subassembly (507) all is connected with footstock (501) through universal joint (508), just footstock (501) all inlays the dress and fixes top beam structure (1) bottom corresponds mounting groove (1013), is used for through universal joint (508) makes footstock (501) drive top beam structure (1) winds stand subassembly (507) top slope.

9. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 8, characterized in that: two stand subassemblies (507) that base structure (3) are connected are two or four, and homonymy stand subassembly (507) symmetry sets up.

10. The supporting hydraulic support for the fully mechanized mining face forepoling roof support according to claim 9, characterized in that: the upright post assembly (507) comprises a first-stage hydraulic cylinder (504), a second-stage hydraulic cylinder (503) and a third-stage hydraulic cylinder (502), the bottom end of the first-stage hydraulic cylinder (504) is fixedly connected with the bump (509), the second-stage hydraulic cylinder (503) and the third-stage hydraulic cylinder (502) which can stretch and retract back and forth are coaxially arranged at the upper part of the first-stage hydraulic cylinder (504), and the top end of the third-stage hydraulic cylinder (502) is connected with the universal joint (508);

the two base structures (3) are connected together through a connecting beam (4), the connecting beam (4) is of a multi-section structure, and the connecting beam (4) is hinged to the base structures (3) so as to enable the base structures (3) to move up and down when the base structures (3) are arranged unevenly;

all set up clamp plate (506) that are used for retraining one-level pneumatic cylinder (504) in the front and back position of one-level pneumatic cylinder (504) bottom, clamp plate (506) with base structure (3) one end is passed through the screens and is connected, and the other end is through round pin hub connection, just clamp plate (506) are pressed the upper end of lug (509) for push down one-level pneumatic cylinder (504), prevent that one-level pneumatic cylinder (504) from reciprocating, just clamp plate (506) with lug (509) sliding motion.