CN219061724U

CN219061724U - Sliding type advanced support hydraulic support for tunnel of frame shed

Info

Publication number: CN219061724U
Application number: CN202320505155.5U
Authority: CN
Inventors: 仝志宏; 王建亮; 卢国斌; 王广桢; 李文涛; 武志峰; 张文豪; 李岩
Original assignee: XISHAN COAL ELECTRICITY GROUP CO Ltd
Current assignee: XISHAN COAL ELECTRICITY GROUP CO Ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-05-23
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to the technical field of mining mechanical equipment support, in particular to a sliding type advanced support hydraulic support for a shed roadway, which comprises a front support and a rear support, wherein the front support comprises a first forward beam, a first cross beam, an inner support left top beam and an inner support right top beam, the first cross beam is connected with the first forward beam, the inner support left top beam and the inner support right top beam are both connected with the two first cross beams, and vertical linear driving pairs are connected to the lower parts of the inner support left top beam and the inner support right top beam; the rear frame comprises a second forward beam, a second cross beam, an outer frame left top beam and an outer frame right top beam, the second cross beam is connected with the second forward beam, the outer frame left top beam and the outer frame right top beam are connected with the two second cross beams, and the lower parts of the outer frame left top beam and the outer frame right top beam are connected with a vertical linear driving pair; a pushing jack is connected between the first beam and the second beam. The support is in sliding movement, the support is not separated from the top, and high support strength and rigidity can be provided, so that mechanization is realized, and the labor intensity of workers is reduced.

Description

Sliding type advanced support hydraulic support for tunnel of frame shed

Technical Field

The utility model relates to the technical field of mining mechanical equipment support, in particular to a sliding type advanced support hydraulic support for a frame shed roadway.

Background

The advanced support of the two lanes of the fully mechanized mining face aims at preventing the surrounding rock of the lane from serious deformation, movement and damage caused by the advanced support pressure of the face and the superposition of the advanced support pressure and the support pressure along the inclined direction, and the condition of large advanced pressure commonly exists in the current mining mode, if the advanced support cannot be effectively supported, the advance efficiency of the face is not only affected, but also great potential safety hazards are possibly caused. The conventional solution is mostly that single hydraulic prop is provided with a hinged top beam, or double-row wood prop and cross beam are used for supporting, or single hydraulic prop frame plate beam is small in working resistance, small in supporting area, difficult to support, difficult to manage a top plate and high in labor intensity.

Therefore, in order to ensure that the advanced support has high support strength and rigidity, strong support capacity and large support surface area and reduce the labor intensity of workers, a mechanical and automatic advanced support form is explored and researched, and a hydraulic support suitable for the advanced support is designed.

Disclosure of Invention

The utility model provides a sliding type advanced support hydraulic support for a shed roadway, which aims to overcome the technical defects of small support area, difficult support, difficult top plate management and high labor intensity of personnel of the existing support.

The utility model provides a sliding type advanced support hydraulic support for a shed roadway, which comprises a front support and a rear support, wherein the front support comprises a plurality of first forward beams, two first cross beams, an inner support left top beam and an inner support right top beam which are arranged at intervals and are used for contacting a working surface top plate, the first forward beams, the inner support left top beam and the inner support right top beam are all arranged along the advancing direction of the working surface, the first cross beams are arranged along the direction perpendicular to the advancing direction of the working surface, the first cross beams are positioned below all the first forward beams, the tops of the first cross beams are connected with the bottoms of all the first forward beams through hinge lugs and pin shafts, the inner support left top beam and the inner support right top beam are all positioned below the two first cross beams, the inner support left top beam and the inner support right top beam are all connected with the two first cross beams through hinge lugs and pin shafts, and the lower parts of the inner support left top beam and the inner support right top beam are all connected with a vertical linear driving pair; the rear frame comprises a plurality of second forward beams, two second cross beams, an outer frame left top beam and an outer frame right top beam which are arranged at intervals and are used for contacting a top plate of a working surface, the second forward beams, the outer frame left top beam and the outer frame right top beam are all arranged along the advancing direction of the working surface, the second cross beams are arranged along the direction perpendicular to the advancing direction of the working surface, the second cross beams are positioned below all the second forward beams, the tops of the second cross beams are connected with the bottoms of all the second forward beams through hinge lugs and pin shafts, the outer frame left top beam and the outer frame right top beam are positioned below the two second cross beams, the outer frame left top beam and the outer frame right top beam are connected with the two second cross beams through hinge lugs and pin shafts, and vertical linear driving pairs are connected to the lower parts of the outer frame left top beam and the outer frame right top beam; the first forward direction Liang Hedi and the second forward direction Liang Jiaoti are arranged, wherein one second beam is positioned between the two first beams, and the inner left top beam and the inner right top beam are positioned between the outer left top beam and the outer right top beam; at least two pushing jacks are connected between the first beam at the front position and the second beam at the rear position.

The sliding type advanced support hydraulic support is formed by combining a front support and a rear support, a stepping self-moving type sliding support is formed, two first cross beams simultaneously support all first parallel beams, the two first cross beams are supported on an inner support left top beam and an inner support right top beam, and the inner support left top beam and the inner support right top beam are supported on a bottom plate of a fully-mechanized mining working face through vertical linear driving pairs; the two second cross beams simultaneously support all the second parallel beams, the two second cross beams are supported on the left top beam of the outer frame and the right top beam of the outer frame, and the left top beam of the outer frame and the right top beam of the outer frame are supported on the bottom plate of the fully mechanized mining face through vertical linear driving pairs. The pushing jack is used for driving the front frame and the rear frame to alternately move.

The vertical straight line driving pair of back frame descends, make the second along roof beam separate with the roof, continue to descend vertical straight line driving pair, make the second along roof beam fall on the first crossbeam of front frame, vertical straight line driving pair shrink, make vertical straight line driving pair bottom lift off the bottom plate, first along roof beam of front frame and vertical straight line driving pair support respectively between the roof and the bottom plate of fully mechanized coal mining face this moment, push jack one end to first crossbeam, the second crossbeam of back frame is promoted to move forward to the target place, stretch the vertical straight line driving pair of back frame, vertical straight line driving pair and the second along roof beam of back frame support respectively to fully mechanized coal mining face between bottom plate and the roof, after stabilizing, the front frame shrink and remove, the mode of movement of front frame is unanimous with the back frame.

Preferably, the vertical linear driving pair connected with the left top beam of the inner frame comprises two vertical hydraulic columns arranged at intervals and an inner frame left base arranged along the pushing direction of the working surface, the tops of the two vertical hydraulic columns are fixedly connected with the bottom of the left top beam of the inner frame, and the bottoms of the two vertical hydraulic columns are fixedly connected with the left base of the inner frame; the vertical linear driving pair connected with the right top beam of the inner frame comprises two vertical hydraulic columns arranged at intervals and an inner frame right base arranged along the advancing direction of the working surface, the tops of the two vertical hydraulic columns are fixedly connected with the bottom of the right top beam of the inner frame, and the bottoms of the two vertical hydraulic columns are fixedly connected with the right base of the inner frame; the vertical linear driving pair connected with the left top beam of the outer frame comprises two vertical hydraulic columns arranged at intervals and an outer frame left base arranged along the pushing direction of the working surface, the tops of the two vertical hydraulic columns are fixedly connected with the bottom of the left top beam of the outer frame, and the bottoms of the two vertical hydraulic columns are fixedly connected with the left base of the outer frame; the vertical linear driving pair connected with the outer frame right top beam comprises two vertical hydraulic columns arranged at intervals and an outer frame right base arranged along the pushing direction of the working face, the tops of the two vertical hydraulic columns are fixedly connected with the bottom of the outer frame right top beam, and the bottoms of the two vertical hydraulic columns are fixedly connected with the outer frame right base. Two vertical hydraulic columns are supported between each top beam and the corresponding base at each position, and the specific vertical hydraulic columns can be set to be single telescopic or double telescopic, so that the structure is reasonable, and the integral support can be ensured to be stable in structure and have the height suitable for a roadway in the moving process.

Preferably, an inner frame left connecting rod mechanism is further connected between the inner frame left top beam and the inner frame left base, the inner frame left connecting rod mechanism comprises an inner frame left oblique beam, a front connecting rod and a rear connecting rod, the top of the inner frame left oblique beam is hinged with the bottom of the inner frame left top beam, the top of the front connecting rod and the top of the rear connecting rod are both hinged with the bottom of the inner frame left oblique beam, and the bottom of the front connecting rod and the bottom of the rear connecting rod are both hinged with the top of the inner frame left base; an inner frame right connecting rod mechanism is further connected between the inner frame right top beam and the inner frame right base, the inner frame right connecting rod mechanism comprises an inner frame right oblique beam, a front connecting rod and a rear connecting rod, the top of the inner frame right oblique beam is hinged with the bottom of the inner frame right top beam, the top of the front connecting rod and the top of the rear connecting rod are both hinged with the bottom of the inner frame right oblique beam, and the bottom of the front connecting rod and the bottom of the rear connecting rod are both hinged with the top of the inner frame right base; an outer frame left connecting rod mechanism is further connected between the outer frame left top beam and the outer frame left base, the outer frame left connecting rod mechanism comprises an outer frame left oblique beam, a front connecting rod and a rear connecting rod, the top of the outer frame left oblique beam is hinged with the bottom of the outer frame left top beam, the top of the front connecting rod and the top of the rear connecting rod are both hinged with the bottom of the outer frame left oblique beam, and the bottom of the front connecting rod and the bottom of the rear connecting rod are both hinged with the top of the outer frame left base; the outer frame right top beam and the outer frame right base are also connected with an outer frame right connecting rod mechanism, the outer frame right connecting rod mechanism comprises an outer frame right oblique beam, a front connecting rod and a rear connecting rod, the top of the outer frame right oblique beam is hinged with the bottom of the outer frame right top beam, the top of the front connecting rod and the top of the rear connecting rod are both hinged with the bottom of the outer frame right oblique beam, and the bottom of the front connecting rod and the bottom of the rear connecting rod are both hinged with the top of the outer frame right base. A connecting rod mechanism is further connected between the two vertical hydraulic columns below each top beam, and in order to be reasonable in structure, a hinge lug seat which is convenient for connecting the connecting rod mechanism is formed on each top beam and the base uniformly. And the supporting force and stability of the vertical linear driving pair can be improved by arranging the connecting rod mechanism.

Compared with the prior art, the technical scheme provided by the utility model has the following advantages: the whole support moves in a sliding mode, the support is not separated from the top, larger support strength and rigidity can be provided, the support capacity is strong, the support surface area is large, mechanization is realized, and the labor intensity of workers is reduced; the working resistance is large, the supporting strength is large, and the safety is high.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is an isometric view (not numbered) of a sliding type advance support hydraulic support for a shed tunnel according to the present utility model;

FIG. 2 is an isometric view (after labeling) of a sliding type advance support hydraulic support for a shed tunnel according to the present utility model;

FIG. 3 is a left side view of a sliding type advanced support hydraulic support for a shed tunnel according to the present utility model;

FIG. 4 is a rear view of a sliding type advanced support hydraulic support for a shed tunnel according to the present utility model;

fig. 5 is a schematic diagram of the overall structure of a sliding type advanced support hydraulic support for a shed tunnel (seen obliquely upward from the lower left);

fig. 6 is an isometric view (with the remainder hidden) of the present utility model at each header.

In the figure: 1. a first compliant beam; 2. a first cross beam; 3. left top beam of the inner frame; 4. the right top beam of the inner frame; 5. a second compliant beam; 6. a second cross beam; 7. left top beam of outer frame; 8. a right top beam of the outer frame; 9. pushing jack; 10. a vertical hydraulic column; 11. a left base of the inner frame; 12. a right base of the inner frame; 13. an outer frame left base; 14. a right base of the outer frame; 15. an inner frame left inclined beam; 16. a front link; 17. a rear connecting rod; 18. an inner frame right inclined beam; 19. an outer frame left inclined beam; 20. an outer frame right inclined beam; 21. a cylinder; 22. a side pushing jack; 23. a support plate; 24. overturning the beam; 25. a turnover beam jack; 26. adding a top beam and a long beam; 27. a tilt support cylinder; 28. a limit clamping seat; 29. a cable suspension device; 30. u-shaped anti-falling rack.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be made. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the description, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 terms described above will be understood by those of ordinary skill in the art as the case may be.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the utility model.

Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

The sliding type advanced support hydraulic support for the greenhouse roadway comprises a front support and a rear support, wherein the front support comprises a plurality of first forward beams 1, two first cross beams 2, an inner support left top beam 3 and an inner support right top beam 4 which are arranged at intervals and are used for contacting a top plate of a working surface, the first forward beams 1, the inner support left top beam 3 and the inner support right top beam 4 are all arranged along the advancing direction of the working surface, the first cross beams 2 are arranged along the direction perpendicular to the advancing direction of the working surface, the first cross beams 2 are positioned below all the first forward beams 1, the top parts of the first cross beams 2 are connected with the bottoms of all the first forward beams 1 through hinge lugs and hinge pins, the inner support left top beam 3 and the inner support right top beam 4 are all positioned below the two first cross beams 2, the inner support left top beam 3 and the inner support right top beam 4 are all connected with the two first cross beams 2 through the hinge lugs and the hinge pins, and the lower parts of the inner support left top beam 3 and the inner support right top beam 4 are all connected with a vertical linear driving pair; the rear frame comprises a plurality of second forward beams 5, two second cross beams 6, an outer frame left top beam 7 and an outer frame right top beam 8 which are arranged at intervals and are used for contacting a top plate of a working surface, the second forward beams 5, the outer frame left top beam 7 and the outer frame right top beam 8 are all arranged along the advancing direction of the working surface, the second cross beams 6 are arranged along the direction perpendicular to the advancing direction of the working surface, the second cross beams 6 are positioned below all the second forward beams 5, the tops of the second cross beams 6 are connected with the bottoms of all the second forward beams 5 through hinge lugs and pin shafts, the outer frame left top beam 7 and the outer frame right top beam 8 are all positioned below the two second cross beams 6, the outer frame left top beam 7 and the outer frame right top beam 8 are all connected with the two second cross beams 6 through hinge lugs and pin shafts, and the vertical linear driving pairs are all connected to the lower parts of the outer frame left top beam 7 and the outer frame right top beam 8; the first parallel beams 1 and the second parallel beams 5 are alternately arranged, wherein one second cross beam 6 is positioned between the two first cross beams 2, and the inner frame left top beam 3 and the inner frame right top beam 4 are positioned between the outer frame left top beam 7 and the outer frame right top beam 8; at least two pushing jacks 9 are connected between the first beam 2 at the front position and the second beam 6 at the rear position.

The sliding type advanced support hydraulic support is combined by the front support and the rear support, the front support top beam and the rear support top beam alternately support the top plate, the top plate is ensured to be supported by the support all the time, namely the stability of the top plate is ensured, a stepping self-moving sliding support is formed, all first parallel beams 1 are simultaneously supported by two first cross beams 2, the two first cross beams 2 are supported on an inner support left top beam 3 and an inner support right top beam 4, and the inner support left top beam 3 and the inner support right top beam 4 are supported on a bottom plate of a fully-mechanized mining working face through vertical linear driving pairs; the two second cross beams 6 simultaneously support all the second parallel beams 5, the two second cross beams 6 are supported on an outer frame left top beam 7 and an outer frame right top beam 8, and the outer frame left top beam 7 and the outer frame right top beam 8 are supported on a bottom plate of the fully mechanized mining face through vertical linear driving pairs. The pushing jack 9 is used for driving the front frame and the rear frame to alternately move.

Specifically, the axis of a pin shaft between the top of the first cross beam 2 and the bottom of the first compliant beam 1 is parallel to the axis of the first cross beam 2; the axis of a pin shaft between the left top beam 3 of the inner frame and the right top beam 4 of the inner frame and the first cross beam 2 is vertical to the axis of the first cross beam 2; the axis of a pin shaft between the top of the second cross beam 6 and the bottom of the second compliant beam 5 is parallel to the axis of the second cross beam 6; the axis of the pin shaft between the outer frame left top beam 7 and the outer frame right top beam 8 and the second cross beam 6 is vertical to the axis of the second cross beam 6; the first cross beam 2 and the second cross beam 6 connected with the pushing jack 9 are respectively integrally formed with hinge lugs, the pushing jack 9 is respectively hinged with the first cross beam 2 and the second cross beam 6 through the hinge lugs, and the axes of pin shafts at two ends of the pushing jack 9 are perpendicular to the axes of the pushing jack 9.

When the hydraulic support works specifically, the sliding type advanced support is usually installed at a transportation crossheading transfer machine for use, three hydraulic supports are generally required to be arranged, each group of hydraulic supports is about 7m, and after the three groups of hydraulic supports are matched for use, the advanced support range can reach more than 20 m. When the coal cutter cuts the coal wall and advances 0.8m, the rear frame of the last No. three sliding support close to the working face side moves 0.8m previously, and then the coal cutter advances 0.8m again, the rear frame of the No. three sliding support can move 0.8m forwards again, at the moment, the front frame of the No. three sliding support needs to move 1.6m forwards, the rear frame of the No. two sliding support close to the No. three sliding support is intersected with the front frame of the No. three sliding support, namely the whole frame of the No. two sliding support needs to move 1.6m forwards, the front frame of the No. two sliding support is intersected with the rear frame of the No. one sliding support, namely the whole frame of the No. one sliding support needs to move 1.6m forwards, so that the coal face is advanced by two cutters (1.6 m), and the three groups of sliding supports advance by 1.6m to complete a cycle working process. The moving process of each sliding type advanced support is as follows: the vertical linear driving pair of the rear frame descends to separate the second forward beam 5 from the top plate, the vertical linear driving pair descends continuously to enable the second forward beam 5 to fall on the first cross beam 2 of the front frame and the second cross beam 6 of the rear frame to fall on the two top beams and the top beam lengthening beam 26 of the front frame, the vertical linear driving pair contracts to enable the bottom of the vertical linear driving pair to lift away from the bottom plate, at the moment, the first forward beam 1 and the vertical linear driving pair of the front frame are respectively supported between the top plate and the bottom plate of the fully-mechanized mining face, one end of the pushing jack 9 is abutted to the first cross beam 2, the other end of the pushing jack pushes the second cross beam 6 of the rear frame to move forwards, at the moment, the two top beams and the top beam lengthening beam 26 of the front frame are equivalent to slide ways, the second cross beam 6 slides on the top beam and the top beam lengthening beam 26 under the pushing action of the pushing jack 9, after moving in place, the vertical linear driving pair of the rear frame and the second forward beam 5 are respectively abutted between the bottom plate and the bottom plate of the fully-mechanized mining face, after stabilizing, the front frame moves in a contracting manner consistent with the front frame.

Further, as a specific implementation mode of the sliding type advanced support hydraulic support for the greenhouse roadway, a vertical linear driving pair connected with the left top beam 3 of the inner frame comprises two vertical hydraulic columns 10 arranged at intervals and an inner frame left base 11 arranged along the advancing direction of a working surface, wherein the tops of the two vertical hydraulic columns 10 are fixedly connected with the bottom of the left top beam 3 of the inner frame, and the bottoms of the two vertical hydraulic columns 10 are fixedly connected with the left base 11 of the inner frame; the vertical linear driving pair connected with the inner frame right top beam 4 comprises two vertical hydraulic columns 10 which are arranged at intervals and an inner frame right base 12 which is arranged along the advancing direction of the working surface, the tops of the two vertical hydraulic columns 10 are fixedly connected with the bottom of the inner frame right top beam 4, and the bottoms of the two vertical hydraulic columns 10 are fixedly connected with the inner frame right base 12; the vertical linear driving pair connected with the outer frame left top beam 7 comprises two vertical hydraulic columns 10 which are arranged at intervals and an outer frame left base 13 which is arranged along the pushing direction of the working surface, the tops of the two vertical hydraulic columns 10 are fixedly connected with the bottom of the outer frame left top beam 7, and the bottoms of the two vertical hydraulic columns 10 are fixedly connected with the outer frame left base 13; the vertical linear driving pair connected with the outer frame right top beam 8 comprises two vertical hydraulic columns 10 arranged at intervals and an outer frame right base 14 arranged along the pushing direction of the working surface, the tops of the two vertical hydraulic columns 10 are fixedly connected with the bottom of the outer frame right top beam 8, and the bottoms of the two vertical hydraulic columns 10 are fixedly connected with the outer frame right base 14.

Wherein, all support two vertical hydraulic pressure posts 10 between every back timber and the base that every position corresponds, specific vertical hydraulic pressure post 10 can set up to single flexible or two flexible, sets up rational in infrastructure like this, can guarantee moreover that whole support is stable in structure at the removal in-process.

Further, as a specific implementation mode of the sliding type advanced support hydraulic support for the greenhouse roadway, an inner frame left connecting rod mechanism is further connected between an inner frame left top beam 3 and an inner frame left base 11, the inner frame left connecting rod mechanism comprises an inner frame left inclined beam 15, a front connecting rod 16 and a rear connecting rod 17, the top of the inner frame left inclined beam 15 is hinged with the bottom of the inner frame left top beam 3, the top of the front connecting rod 16 and the top of the rear connecting rod 17 are both hinged with the bottom of the inner frame left inclined beam 15, and the bottom of the front connecting rod 16 and the bottom of the rear connecting rod 17 are both hinged with the top of the inner frame left base 11; an inner frame right connecting rod mechanism is further connected between the inner frame right top beam 4 and the inner frame right base 12, the inner frame right connecting rod mechanism comprises an inner frame right oblique beam 18, a front connecting rod 16 and a rear connecting rod 17, the top of the inner frame right oblique beam 18 is hinged with the bottom of the inner frame right top beam 4, the top of the front connecting rod 16 and the top of the rear connecting rod 17 are both hinged with the bottom of the inner frame right oblique beam 18, and the bottom of the front connecting rod 16 and the bottom of the rear connecting rod 17 are both hinged with the top of the inner frame right base 12; an outer frame left connecting rod mechanism is further connected between the outer frame left top beam 7 and the outer frame left base 13, the outer frame left connecting rod mechanism comprises an outer frame left oblique beam 19, a front connecting rod 16 and a rear connecting rod 17, the top of the outer frame left oblique beam 19 is hinged with the bottom of the outer frame left top beam 7, the top of the front connecting rod 16 and the top of the rear connecting rod 17 are both hinged with the bottom of the outer frame left oblique beam 19, and the bottom of the front connecting rod 16 and the bottom of the rear connecting rod 17 are both hinged with the top of the outer frame left base 13; an outer frame right top beam 8 and an outer frame right base 14 are also connected with an outer frame right connecting rod mechanism, the outer frame right connecting rod mechanism comprises an outer frame right oblique beam 20, a front connecting rod 16 and a rear connecting rod 17, the top of the outer frame right oblique beam 20 is hinged with the bottom of the outer frame right top beam 8, the top of the front connecting rod 16 and the top of the rear connecting rod 17 are both hinged with the bottom of the outer frame right oblique beam 20, and the bottom of the front connecting rod 16 and the bottom of the rear connecting rod 17 are both hinged with the top of the outer frame right base 14.

A connecting rod mechanism is further connected between the two vertical hydraulic columns 10 below each top beam, and for reasonable structure, a hinged lug seat convenient for connecting the connecting rod mechanism is formed on each top beam and the base uniformly. And the supporting force and stability of the vertical linear driving pair can be improved by arranging the connecting rod mechanism. The axis of the pin shaft on each connecting rod mechanism is perpendicular to the advancing direction of the fully-mechanized coal mining face.

Further, as a specific embodiment of the sliding type advanced support hydraulic support for the greenhouse roadway, two cylinders 21 are fixedly connected to the side walls of two first beams 2 respectively, the axes of the cylinders 21 are parallel to the axes of the first beams 2, the two cylinders 21 are respectively positioned at two end parts of the first beams 2, a side pushing jack 22 with a movable end arranged outwards and the axis being consistent with the axis of the cylinder 21 is arranged in the cylinder 21, and the movable end of the side pushing jack 22 penetrates out of the outer end of the cylinder 21 and is connected with a supporting plate 23 for contacting with the side wall of a working surface; two cylinders 21 are fixedly connected to the side walls of the two second cross beams 6 respectively, the axes of the cylinders 21 are parallel to the axes of the second cross beams 6, the two cylinders 21 are located at two end parts of the second cross beams 6 respectively, side pushing jacks 22 with movable ends arranged outwards and the axes being consistent with the axes of the cylinders 21 are installed in the cylinders 21, and the movable ends of the side pushing jacks 22 penetrate out of the outer ends of the cylinders 21 and are connected with supporting plates 23 used for contacting the side walls of the working faces.

The inner end of the side pushing jack 22 is fixed, the movable end of the side pushing jack 22 can extend out of the outer end of the cylinder 21, and when the bracket is wholly deviated, deviation correction adjustment can be carried out through the side pushing jack 22.

Further, as a specific implementation mode of the sliding type advanced support hydraulic support for the greenhouse roadway, a turnover beam 24 is hinged at the rear end of the second forward beam 5, and a turnover beam jack 25 for driving the turnover beam 24 to turn is connected between the bottom of the second forward beam 5 and the turnover beam 24. The turnover beam 24 turns under the driving of the turnover beam jack 25, and the turnover beam 24 can be matched with the recovery pi-shaped metal shed beam.

Further, as a specific implementation mode of the sliding type advanced support hydraulic support for the greenhouse roadway, the front ends of the left top beam 3 and the right top beam 4 of the inner frame are respectively hinged with a top beam lengthening beam 26, the bottoms of the left top beam 3 and the right top beam 4 of the inner frame are respectively connected with a connecting arm, and an inclined support cylinder 27 is connected between the top beam lengthening beam 26 and the connecting arm in the same vertical direction; the rear ends of the outer left top beam 7 and the outer right top beam 8 are respectively hinged with a top beam lengthening beam 26, the bottoms of the outer left top beam 7 and the outer right top beam 8 are respectively connected with a connecting arm, and an inclined supporting cylinder 27 is connected between the top beam lengthening beam 26 and the connecting arm in the same vertical direction.

Further, as a specific implementation mode of the sliding type advanced support hydraulic support for the greenhouse roadway, a plane where the hinge lugs of the first beam 2 and the first beam 1 are connected is vertical to the axis of the first beam 2, a pair of symmetrical limiting clamping seats 28 for preventing the second beam 5 from shifting when descending are arranged between adjacent groups of hinge lugs on the top surface of the first beam 2, the first beam 2 between each pair of limiting clamping seats 28 is used as a clamping position of the second beam 5, the limiting clamping seats 28 comprise two right-angle triangular plates, the plane where the right-angle triangular plates are parallel to the axis of the first beam 2, and two right-angle edges of the right-angle triangular plates are respectively welded with the top surface of the first beam 2 and the side walls of the hinge lugs; the plane of the hinge lug connecting the second cross beam 6 and the second parallel beam 5 is vertical to the axis of the second cross beam 6, a pair of symmetrical limiting clamping seats 28 for preventing the first parallel beam 1 from shifting when descending are arranged between adjacent groups of hinge lugs on the top surface of the second cross beam 6, and the structure of the limiting clamping seats 28 on the top surface of the second cross beam 6 is the same as that of the limiting clamping seats 28 on the top surface of the first cross beam 2. The spacing cassette 28 is symmetrically arranged, and the triangular structure thereof makes the hypotenuses of two symmetrical right-angle triangular plates combined into a guide slot, so that the corresponding parallel beams are aligned and fall on the corresponding cross beams.

Further, as a specific embodiment of the sliding type advanced support hydraulic support for the tunnel of the frame shed, a cable hanging device 29 is further connected to the first beam 2 and the second beam 6. The cable suspension 29 may be of a single-row, double-row or multi-row structure, each row is composed of two side plates and a plurality of pulleys rotatably connected between the two side plates, the plurality of pulleys are arranged between the two side plates in the vertical direction, and the cable is suspended on the pulleys, so that the cable is not damaged when the cable and the hydraulic support are moved relatively.

Further, as a specific implementation mode of the sliding type advanced support hydraulic support for the greenhouse roadway, two pushing jacks 9 are located between the left inner support top beam 3 and the right inner support top beam 4, at least one U-shaped anti-falling support 30 is fixedly connected to the inner side walls of the left inner support top beam 3 and the right inner support top beam 4 respectively, and the U-shaped anti-falling support 30 is located under the pushing jacks 9. Specifically, the U-shaped fall arrest frame 30 may also be connected to a cable suspension device. The purpose that U-shaped anti-drop frame 30 set up is in order to prevent having the risk of dragging the ground owing to adjacent cable linkage 29 interval is too big, can increase a set of cable linkage 29 in U-shaped anti-drop frame 30 below according to the actual use condition, and U-shaped anti-drop frame 30 is the mounting bracket of cable linkage 29 this moment. The U-shaped anti-falling frame 30 is just under the pushing jack 9, so the U-shaped anti-falling frame 30 is arranged into a U shape, and the anti-falling chain can be replaced, so that the anti-falling frame is used for preventing the pushing jack 9 from falling off to cause falling and injuring pedestrians.

Further, the number of the first parallel beams 1 of the front frame is four, and the number of the second parallel beams 5 of the rear frame is five. The number of the first compliant beams 1 and the second compliant beams 5 is designed according to the width of the fully mechanized mining face.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Although described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and they should be construed as covering the scope of the appended claims.

Claims

1. The sliding type advanced support hydraulic support for the greenhouse roadway is characterized by comprising a front support and a rear support, wherein the front support comprises a plurality of first parallel beams (1), two first cross beams (2), an inner support left top beam (3) and an inner support right top beam (4) which are arranged at intervals and are used for being contacted with a working surface top plate, the first parallel beams (1), the inner support left top beam (3) and the inner support right top beam (4) are all arranged along the advancing direction of the working surface, the first cross beams (2) are arranged along the direction perpendicular to the advancing direction of the working surface, the first cross beams (2) are positioned below all the first parallel beams (1), the tops of the first cross beams (2) are connected with the bottoms of all the first parallel beams (1) through hinge lugs and hinge pins, the inner support left top beam (3) and the inner support right top beam (4) are all positioned below the two first cross beams (2), and the inner support left top beam (3) and the inner support right top beam (4) are all connected with the two first cross beams (2) through the hinge lugs and the hinge pins, and the straight line driving pair is all connected with the lower parts of the inner support left top beam (3 and the inner support right top beam (4); the rear frame comprises a plurality of second forward beams (5), two second cross beams (6), an outer frame left top beam (7) and an outer frame right top beam (8) which are arranged at intervals and are used for contacting a top plate of a working surface, the second forward beams (5), the outer frame left top beam (7) and the outer frame right top beam (8) are all arranged along the pushing direction of the working surface, the second cross beams (6) are arranged along the direction perpendicular to the pushing direction of the working surface, the second cross beams (6) are positioned below all the second forward beams (5), the tops of the second cross beams (6) are connected with the bottoms of all the second forward beams (5) through hinge lugs and pin shafts, the outer frame left top beam (7) and the outer frame right top beam (8) are all positioned below the two second cross beams (6), the outer frame left top beam (7) and the outer frame right top beam (8) are all connected with the two second cross beams (6) through hinge lugs and pin shafts, and the lower parts of the outer frame left top beam (7) and the outer frame right top beam (8) are all connected with vertical linear driving pairs; the first parallel beams (1) and the second parallel beams (5) are alternately arranged, wherein one second cross beam (6) is positioned between the two first cross beams (2), and the inner frame left top beam (3) and the inner frame right top beam (4) are positioned between the outer frame left top beam (7) and the outer frame right top beam (8); at least two pushing jacks (9) are connected between the first beam (2) at the front position and the second beam (6) at the rear position.

2. The sliding type advanced support hydraulic support for the greenhouse roadway according to claim 1 is characterized in that a vertical linear driving pair connected with an inner support left top beam (3) comprises two vertical hydraulic columns (10) arranged at intervals and an inner support left base (11) arranged along the advancing direction of a working surface, the tops of the two vertical hydraulic columns (10) are fixedly connected with the bottom of the inner support left top beam (3), and the bottoms of the two vertical hydraulic columns (10) are fixedly connected with the inner support left base (11); the vertical linear driving pair connected with the inner frame right top beam (4) comprises two vertical hydraulic columns (10) which are arranged at intervals and an inner frame right base (12) which is arranged along the advancing direction of the working surface, the tops of the two vertical hydraulic columns (10) are fixedly connected with the bottom of the inner frame right top beam (4), and the bottoms of the two vertical hydraulic columns (10) are fixedly connected with the inner frame right base (12); the vertical linear driving pair connected with the outer frame left top beam (7) comprises two vertical hydraulic columns (10) which are arranged at intervals and an outer frame left base (13) which is arranged along the advancing direction of the working surface, the tops of the two vertical hydraulic columns (10) are fixedly connected with the bottom of the outer frame left top beam (7), and the bottoms of the two vertical hydraulic columns (10) are fixedly connected with the outer frame left base (13); the vertical linear driving pair connected with the outer frame right top beam (8) comprises two vertical hydraulic columns (10) arranged at intervals and an outer frame right base (14) arranged along the pushing direction of the working surface, the tops of the two vertical hydraulic columns (10) are fixedly connected with the bottom of the outer frame right top beam (8), and the bottoms of the two vertical hydraulic columns (10) are fixedly connected with the outer frame right base (14).

3. The sliding type advanced support hydraulic support for the greenhouse roadway according to claim 2 is characterized in that an inner frame left connecting rod mechanism is further connected between an inner frame left top beam (3) and an inner frame left base (11), the inner frame left connecting rod mechanism comprises an inner frame left inclined beam (15), a front connecting rod (16) and a rear connecting rod (17), the top of the inner frame left inclined beam (15) is hinged with the bottom of the inner frame left top beam (3), the top of the front connecting rod (16) and the top of the rear connecting rod (17) are both hinged with the bottom of the inner frame left inclined beam (15), and the bottom of the front connecting rod (16) and the bottom of the rear connecting rod (17) are both hinged with the top of the inner frame left base (11); an inner frame right top beam (4) and an inner frame right base (12) are also connected with an inner frame right connecting rod mechanism, the inner frame right connecting rod mechanism comprises an inner frame right oblique beam (18), a front connecting rod (16) and a rear connecting rod (17), the top of the inner frame right oblique beam (18) is hinged with the bottom of the inner frame right top beam (4), the top of the front connecting rod (16) and the top of the rear connecting rod (17) are both hinged with the bottom of the inner frame right oblique beam (18), and the bottom of the front connecting rod (16) and the bottom of the rear connecting rod (17) are both hinged with the top of the inner frame right base (12); an outer frame left connecting rod mechanism is further connected between the outer frame left top beam (7) and the outer frame left base (13), the outer frame left connecting rod mechanism comprises an outer frame left oblique beam (19), a front connecting rod (16) and a rear connecting rod (17), the top of the outer frame left oblique beam (19) is hinged with the bottom of the outer frame left top beam (7), the top of the front connecting rod (16) and the top of the rear connecting rod (17) are both hinged with the bottom of the outer frame left oblique beam (19), and the bottom of the front connecting rod (16) and the bottom of the rear connecting rod (17) are both hinged with the top of the outer frame left base (13); the outer frame right top beam (8) and the outer frame right base (14) are connected with an outer frame right connecting rod mechanism, the outer frame right connecting rod mechanism comprises an outer frame right oblique beam (20), a front connecting rod (16) and a rear connecting rod (17), the top of the outer frame right oblique beam (20) is hinged with the bottom of the outer frame right top beam (8), the top of the front connecting rod (16) and the top of the rear connecting rod (17) are hinged with the bottom of the outer frame right oblique beam (20), and the bottom of the front connecting rod (16) and the bottom of the rear connecting rod (17) are hinged with the top of the outer frame right base (14).

4. A sliding type advanced support hydraulic support for a shed tunnel according to any one of claims 1 to 3, characterized in that two cylinders (21) are fixedly connected to the side walls of two first beams (2) respectively, the axes of the cylinders (21) are parallel to the axes of the first beams (2), the two cylinders (21) are respectively positioned at the two end parts of the first beams (2), a side pushing jack (22) with a movable end arranged outwards and the axis consistent with the axis of the cylinder (21) is arranged in the cylinder (21), and the movable end of the side pushing jack (22) penetrates out of the outer end of the cylinder (21) and is connected with a supporting plate (23) for contacting the side wall of a working surface; two cylinders (21) are fixedly connected to the side walls of the two second cross beams (6) respectively, the axes of the cylinders (21) are parallel to the axes of the second cross beams (6), the two cylinders (21) are located at two end parts of the second cross beams (6) respectively, side pushing jacks (22) with movable ends arranged outwards and the axes being consistent with the axes of the cylinders (21) are arranged in the cylinders (21), and the movable ends of the side pushing jacks (22) penetrate out of the outer ends of the cylinders (21) and are connected with supporting plates (23) used for contacting the side walls of a working face.

5. The sliding type advanced support hydraulic support for the greenhouse roadway according to claim 4, wherein the rear end of the second forward beam (5) is hinged with a turnover beam (24), and a turnover beam jack (25) for driving the turnover beam (24) to turn is connected between the bottom of the second forward beam (5) and the turnover beam (24).

6. The sliding type advanced support hydraulic support for the greenhouse roadway, which is disclosed by claim 5, is characterized in that the front ends of an inner left top beam (3) and an inner right top beam (4) are respectively hinged with a top beam lengthening beam (26), the bottoms of the inner left top beam (3) and the inner right top beam (4) are respectively connected with a connecting arm, and an inclined support cylinder (27) is connected between the top beam lengthening beam (26) and the connecting arm which are positioned in the same vertical direction; the rear ends of the outer support left top beam (7) and the outer support right top beam (8) are respectively hinged with a top beam lengthening beam (26), the bottoms of the outer support left top beam (7) and the outer support right top beam (8) are respectively connected with a connecting arm, and an inclined supporting cylinder (27) is connected between the top beam lengthening beam (26) and the connecting arm, which are positioned on the same vertical direction.

7. The sliding type advanced support hydraulic support for the greenhouse roadway according to claim 6 is characterized in that a plane where a first cross beam (2) is connected with a first parallel beam (1) is perpendicular to the axis of the first cross beam (2), a pair of symmetrical limiting clamping seats (28) for preventing the second parallel beam (5) from shifting when descending are arranged between adjacent groups of hinge lugs on the top surface of the first cross beam (2), the first cross beam (2) between each pair of limiting clamping seats (28) is used as a clamping position of the second parallel beam (5), the limiting clamping seats (28) comprise two right-angle triangular plates, the plane where the right-angle triangular plates are located is parallel to the axis of the first cross beam (2), and two right-angle edges of the right-angle triangular plates are respectively welded with the top surface of the first cross beam (2) and the side walls of the hinge lugs; the plane where the hinge lugs of the second transverse beam (6) and the second parallel beam (5) are connected is perpendicular to the axis of the second transverse beam (6), a pair of symmetrical limiting clamping seats (28) for preventing the first parallel beam (1) from shifting when descending are arranged between adjacent groups of hinge lugs on the top surface of the second transverse beam (6), and the structure of the limiting clamping seats (28) on the top surface of the second transverse beam (6) is identical to that of the limiting clamping seats (28) on the top surface of the first transverse beam (2).

8. The sliding type advanced support hydraulic support for the greenhouse roadway according to claim 7 is characterized in that a cable hanging device (29) is further connected to the first cross beam (2) and the second cross beam (6).

9. The sliding type advanced support hydraulic support for the greenhouse roadway according to claim 8 is characterized in that two pushing jacks (9) are located between an inner left top beam (3) and an inner right top beam (4), at least one U-shaped anti-falling support (30) is fixedly connected to the inner side walls of the inner left top beam (3) and the inner right top beam (4), and the U-shaped anti-falling support (30) is located under the pushing jacks (9).

10. The sliding type advanced support hydraulic support for the greenhouse roadway, which is disclosed in claim 9, is characterized in that the number of the first parallel beams (1) of the front frame is four, and the number of the second parallel beams (5) of the rear frame is five.