Top plate full-area supporting device for forepoling

Abstract

The utility model relates to a forepoling full-area supporting roof device, and belongs to the technical field of fully-mechanized coal mining supporting. Comprising a supporting top beam, the left end and the right end of the supporting top beam are hinged to two first-stage side turning plates which are symmetrical front and back respectively, the ends, away from the supporting top beam, of the first-stage side turning plates are hinged to second-stage side turning plates, the edges of the sides, close to the supporting top beam, of the first-stage side turning plates are hinged to long rods and short rods respectively, and the long rods and the short rods are hinged to each other; a first-stage rollover jack is hinged to the supporting top beam, and a hinge shaft between the long rod and the short rod is hinged to a piston rod of the first-stage rollover jack; a second-stage side turning jack is arranged between the second-stage side turning plate and the first-stage side turning plate; the problems that an existing top plate supporting device is low in supporting strength, low in supporting efficiency and poor in safety performance are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of comprehensive coal mining support, and particularly relates to a device for comprehensively supporting the roof by an advanced support. Background Art

[0002] In order to ensure the production safety of the fully mechanized mining face, the support of the roadway roof is essential. At present, the application of single hydraulic props and metal articulated roof beams for support is relatively common, and the support method of manually moving the support frames is adopted. This support method has problems such as weak support strength, low support efficiency, and poor safety performance. With the improvement of the mechanization level of the fully mechanized mining face, this traditional support method is difficult to match the high-yield and high-efficiency production mode of the fully mechanized mining face, and it is even more difficult to meet the safety requirements of the working face. Content of the Utility Model

[0003] The utility model overcomes the deficiencies of the prior art and provides a device for comprehensively supporting the roof by an advanced support, which solves the problems of weak support strength, low support efficiency, and poor safety performance of the current roof support device.

[0004] In order to achieve the above purpose, the utility model is realized by the following technical solutions.

[0005] A device for comprehensively supporting the roof by an advanced support includes a support roof beam. At the left and right ends of the support roof beam, two front-back symmetric first-level tipping plates are respectively hinged. At the end of the first-level tipping plate far from the support roof beam, a second-level tipping plate is hinged. At the side edges of the first-level tipping plate and the support roof beam close to each other, a long rod and a short rod are respectively hinged. The long rod and the short rod are hinged to each other. A first-level tipping jack is hinged on the support roof beam. The hinge shaft between the long rod and the short rod is hinged to the piston rod of the first-level tipping jack. A second-level tipping jack is arranged between the second-level tipping plate and the first-level tipping plate.

[0006] Furthermore, at the center of the lower end face of the support roof beam, two front-back symmetric trunnion ear plates are fixedly arranged. On the end faces of the two trunnion ear plates far from each other, a circular retaining shaft seat is respectively fixedly arranged. Along the radial direction of the retaining shaft seat, a retaining shaft insertion hole is arranged. At the opening of the retaining shaft insertion hole, a pipe seat is fixedly arranged. A connecting trunnion is arranged between the two trunnion ear plates. A pin shaft sequentially passes through the two trunnion ear plates and the connecting trunnion. A retaining shaft plate is respectively inserted into the retaining shaft insertion holes of the two retaining shaft seats. A fixing pin shaft is inserted into the pipe seat. The two ends of the fixing pin shaft are inserted with split pins to prevent the retaining shaft plate from being disengaged from the retaining shaft insertion hole through the fixing pin shaft.

[0007] Furthermore, four groups of first hinge ears are fixedly arranged on the left and right end faces of the support top beam respectively. The four groups of first hinge ears are arranged along the front-rear direction, and each group includes two first hinge ears that are symmetric in the front and rear. Fixed seats are fixedly arranged on the end faces of the two first hinge ears away from each other respectively.

[0008] Furthermore, two second hinge ears that are symmetric in the front and rear are fixedly arranged on the lower end face of the first-stage tipping plate near the support top beam. The two second hinge ears on the front-side first-stage tipping plate respectively correspond to the two groups of front-side first hinge ears on the support top beam, and the two second hinge ears on the rear-side first-stage tipping plate respectively correspond to the two groups of rear-side first hinge ears on the support top beam; the second hinge ears are located between the two first hinge ears inside the corresponding group, and a pin shaft is inserted between the two first hinge ears and the second hinge ear, so that the first-stage tipping plate is hinged to the support top beam; retaining pins are arranged inside the fixed seats on both sides, and the retaining pins are arranged on the fixed seats through split pins, and the pin shaft is fixed between the fixed seats on both sides through the retaining pins on both sides.

[0009] Furthermore, a group of long-bar hinge ear plates are fixedly arranged at the front and rear ends of the lower end face of the first-stage tipping plate near the support top beam respectively. Each group includes two symmetric long-bar hinge ear plates in the front and rear; the long bar is rotatably arranged between the two symmetric long-bar hinge ear plates. The long bar includes two symmetric main rib plates in the front and rear. Hinge holes are arranged at both ends of the main rib plates. A bent cover plate, a transverse tension bar, and an auxiliary tension bar are fixedly arranged between the two main rib plates. The bent cover plate, the transverse tension bar, and the auxiliary tension bar form a box structure; the hinge holes at one end of the two main rib plates of the long bar are hinged to the two long-bar hinge ear plates through a pin shaft; a hinge shaft is rotatably arranged between the hinge holes at the other end of the two main rib plates of the long bar.

[0010] Furthermore, four groups of short-bar hinge ear plates are fixedly arranged at the left and right ends of the lower end face of the support top beam. The four groups of short-bar hinge ear plates are arranged along the front-rear direction, and the four groups of short-bar hinge ear plates respectively correspond to the four groups of long-bar hinge ear plates on the two first-stage tipping plates; each group of short-bar hinge ear plates includes two symmetric short-bar hinge ear plates in the front and rear. Two symmetric short bars are rotatably arranged between the two short-bar hinge ear plates through a pin shaft. One ends of the two short bars are hinged to the pin shaft between the two short-bar hinge ear plates, and the other ends of the two short bars are hinged to the hinge shaft on the corresponding long bar.

[0011] Furthermore, four groups of first-level tipping jack ear plates are respectively arranged at the left and right ends of the lower end face of the support roof beam. The four groups of first-level tipping jack ear plates are arranged along the front-back direction, and the four groups of first-level tipping jack ear plates are located inside the short rod hinge ear plates on the left and right sides. Moreover, the four groups of first-level tipping jack ear plates respectively correspond to the four long rods on the front and rear first-level tipping plates on the same side. One end of the cylinder bottom of the four first-level tipping jacks is hinged to a corresponding group of first-level tipping jack ear plates, and one end of the piston rod of the four first-level tipping jacks is hinged to the hinge shaft on the corresponding long rod.

[0012] Furthermore, two groups of symmetric front-back support rod hinge ear plates are fixedly arranged at one end of the lower end face of the first-level tipping plate close to the support roof beam. Four groups of support rod hinge ear plates are respectively arranged at the left and right ends of the lower end face of the support roof beam, and the four groups of support rod hinge ear plates are arranged along the front-back direction. The two groups of support rod hinge ear plates on the front side of the support roof beam correspond to the two groups of support rod hinge ear plates on the front first-level tipping plate, and the two groups of support rod hinge ear plates on the rear side of the support roof beam correspond to the two groups of support rod hinge ear plates on the rear first-level tipping plate. A support rod is arranged between the corresponding two groups of support rod hinge ear plates, and both ends of the support rod are respectively hinged to the two corresponding groups of support rod hinge ear plates.

[0013] Furthermore, two groups of front-back second-level tipping ear plates are fixedly arranged at the edge of one side of each first-level tipping plate far from the support roof beam. Two symmetric front-back second-level tipping main reinforcements are fixedly arranged at the edge of one side of the second-level tipping plate close to the first-level tipping plate. The two second-level tipping main reinforcements are respectively hinged to the two groups of second-level tipping ear plates through pins, thus realizing the rotational connection between the second-level tipping plate and the first-level tipping plate.

[0014] Even further, a second-level tipping jack ear plate is fixedly arranged in the middle of the edge of the lower end face of the first-level tipping plate far from the second-level tipping plate, and a second-level tipping jack ear plate is fixedly arranged in the middle of the edge of the lower end face of the second-level tipping plate far from the first-level tipping plate. One end of the cylinder bottom of the second-level tipping jack is hinged to the second-level tipping jack ear plate on the first-level tipping plate, and one end of the piston rod of the second-level tipping jack is hinged to the second-level tipping jack ear plate on the second-level tipping plate. The rotation of the second-level tipping plate on the first-level tipping plate is realized by the telescopic movement of the piston rod of the second-level tipping jack.

[0015] The beneficial effects of the present utility model compared with the prior art are as follows:

[0016] 1. The present utility model solves the problem of safe and effective support for the roof areas at the head and tail of the fully mechanized mining face, can achieve comprehensive and non-blind-zone support for the roof areas at the head and tail, reduce the risk of roof caving and collapse, and improve the safety of the working face.

[0017] 2. The utility model can provide a relatively high support strength to meet the support requirements under different mining conditions;

[0018] 3. The utility model can be adjusted such as lifted, tilted and moved according to the actual situation of the working face to adapt to the change of the roof;

[0019] 4. The utility model adopts a hydraulic control system, which is simple and fast to operate and can significantly reduce the labor intensity of workers;

[0020] 5. The utility model has good stability and reliability and can maintain a stable support effect in a harsh mining environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following further describes the utility model in detail with reference to the drawings:

[0022] Figure 1 is the structural schematic diagram of the whole utility model;

[0023] Figure 2 is Figure 1 the partial enlarged schematic diagram at A in

[0024] Figure 3 is Figure 1 the partial enlarged schematic diagram at B in

[0025] Figure 4 is the structural schematic diagram of the support roof beam;

[0026] Figure 5 is the structural schematic diagram of the first-level side turning plate;

[0027] Figure 6 is the structural schematic diagram of the second-level side turning plate;

[0028] Figure 7 is the structural schematic diagram of the long rod;

[0029] Among them, 1 is the support roof beam, 2 is the first-level side turning plate, 3 is the second-level side turning plate, 4 is the long rod, 5 is the short rod, 6 is the first-level side turning jack, 7 is the second-level side turning jack, 8 is the trunnion ear plate, 9 is the shaft retaining seat, 10 is the pipe seat, 11 is the connecting trunnion, 12 is the shaft retaining plate, 13 is the first hinge ear, 14 is the fixed seat, 15 is the second hinge ear, 16 is the long rod hinge ear plate, 17 is the main rib plate, 18 is the bent cover plate, 19 is the transverse tension rib, 20 is the auxiliary tension rib, 21 is the short rod hinge ear plate, 22 is the hinge shaft, 23 is the first-level side turning jack ear plate, 24 is the support rod hinge ear plate, 25 is the support rod, 26 is the second-level side turning jack ear plate, 27 is the second-level side turning ear plate, 28 is the second-level side turning main rib. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clearly understood, the present utility model will be further described in detail in conjunction with embodiments and drawings. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. The technical solutions of the present utility model will be described in detail below in conjunction with embodiments and drawings, but the protection scope is not limited by this.

[0031] As Figure 1 —7 shows, the present utility model provides a device for comprehensively supporting the roof of an advanced support, including a support roof beam 1. At the left and right ends of the support roof beam 1, two front and rear symmetric first-stage side turning plates 2 are respectively hinged. At the end of the first-stage side turning plate 2 far from the support roof beam 1, a second-stage side turning plate 3 is hinged. At the side edges of the first-stage side turning plate 2 and the support roof beam 1 close to each other, a long rod 4 and a short rod 5 are respectively hinged. The long rod 4 and the short rod 5 are hinged to each other. A first-stage side turning jack 6 is hinged on the support roof beam 1. The hinge shaft 22 between the long rod 4 and the short rod 5 is hinged to the piston rod of the first-stage side turning jack 6; a second-stage side turning jack 7 is arranged between the second-stage side turning plate 3 and the first-stage side turning plate 2.

[0032] The support roof beam 1 is a horizontally arranged square box structure, and the first-stage side turning plate 2 and the second-stage side turning plate 3 are both square plate structures.

[0033] At the center of the lower end face of the support roof beam 1, two front and rear symmetric ear shaft ear plates 8 are fixedly arranged. On the end faces of the two ear shaft ear plates 8 far from each other, a circular shaft retaining seat 9 is respectively fixedly arranged. Along the radial direction of the shaft retaining seat 9, a shaft retaining hole is arranged. At the opening of the shaft retaining hole, a pipe seat 10 is fixedly arranged. A connecting ear shaft 11 is arranged between the two ear shaft ear plates 8. A pin shaft passes through the two ear shaft ear plates 8 and the connecting ear shaft 11 in sequence, so that the connecting ear shaft 11 is hinged to the support roof beam 1. In the shaft retaining holes of the two shaft retaining seats 9, a shaft retaining plate 12 is respectively inserted. The two shaft retaining plates 12 prevent the pin shaft from coming out; a fixing pin shaft is inserted into the pipe seat 10. Open pins are inserted at both ends of the fixing pin shaft, so as to connect the fixing pin shaft to the pipe seat 10. The fixing pin shaft is used to prevent the shaft retaining plate 12 from coming out of the shaft retaining hole, thereby realizing the fixation of the shaft retaining plate 12.

[0034] On the left and right end faces of the support roof beam 1, four groups of first hinge ears 13 are fixedly arranged respectively. The four groups of first hinge ears 13 are arranged along the front-back direction. Each group includes two first hinge ears 13 that are symmetric front and back. On the end faces of the two first hinge ears 13 that are away from each other, fixing seats 14 are fixedly arranged respectively. On the lower end face of the first-stage tipping plate 2, close to one side of the support roof beam 1, two second hinge ears 15 that are symmetric front and back are fixedly arranged. The two second hinge ears 15 on the front first-stage tipping plate 2 correspond to the two front groups of first hinge ears 13 on the support roof beam 1 respectively, and the two second hinge ears 15 on the rear first-stage tipping plate 2 correspond to the two rear groups of first hinge ears 13 on the support roof beam 1 respectively. The second hinge ear 15 is located between the two first hinge ears 13 within the corresponding group. A pin shaft is inserted between the two first hinge ears 13 and the second hinge ear 15, so that the first-stage tipping plate 2 is hinged to the support roof beam 1. A retaining pin is arranged inside the fixing seats 14 on both sides. The retaining pin is arranged on the fixing seat 14 through a split pin, and the pin shaft is fixed between the fixing seats 14 on both sides through the retaining pins on both sides.

[0035] On the front and rear ends of the lower end face of the first-stage tipping plate 2, close to one side of the support roof beam 1, a group of long rod hinge ear plates 16 are fixedly arranged respectively. Each group includes two long rod hinge ear plates 16 that are symmetric front and back. Between the two symmetric long rod hinge ear plates 16, the long rod 4 is rotatably arranged. The long rod 4 includes two main rib plates 17 that are symmetric front and back. Hinge holes are arranged at both ends of the main rib plates 17. Between the two main rib plates 17, a bent cover plate 18, a transverse tension rib 19, and an auxiliary tension rib 20 are fixedly arranged. The bent cover plate 18, the transverse tension rib 19, and the auxiliary tension rib 20 form a box structure. The hinge holes at one end of the two main rib plates 17 of the long rod 4 are hinged to the two long rod hinge ear plates 16 through a pin shaft. Between the hinge holes at the other end of the two main rib plates 17 of the long rod 4, a hinge shaft 22 is rotatably arranged.

[0036] On the left and right ends of the lower end face of the support roof beam 1, four groups of short rod hinge ear plates 21 are fixedly arranged. The four groups of short rod hinge ear plates 21 are arranged along the front-back direction. The four groups of short rod hinge ear plates 21 correspond to the four groups of long rod hinge ear plates 16 on the two first-stage tipping plates 2 respectively. Each group of short rod hinge ear plates 21 includes two short rod hinge ear plates 21 that are symmetric front and back. Between the two short rod hinge ear plates 21, two short rods 5 that are symmetric front and back are rotatably arranged through a pin shaft. One end of the two short rods 5 is hinged to the pin shaft between the two short rod hinge ear plates 21, and the other end of the two short rods 5 is hinged to the hinge shaft 22 on the corresponding long rod 4.

[0037] At the left and right ends of the lower end face of the support roof beam 1, four groups of first-level side-turning jack ear plates 23 are respectively arranged. The four groups of first-level side-turning jack ear plates 23 are arranged along the front-rear direction. The four groups of first-level side-turning jack ear plates 23 are located inside the short rod hinge ear plates 21 on the left and right sides, and the four groups of first-level side-turning jack ear plates 23 respectively correspond to the four long rods 4 on the front and rear first-level side-turning plates 2 on the same side. One end of the cylinder bottom of the four first-level side-turning jacks 6 is hinged to a corresponding group of first-level side-turning jack ear plates 23, and one end of the piston rod of the four first-level side-turning jacks 6 is hinged to the hinge shaft 22 on the corresponding long rod 4. The rotation of the first-level side-turning plate 2 on the support roof beam 1 is realized by the telescopic movement of the piston rod of the first-level side-turning jack 6.

[0038] At one end of the lower end face of the first-level side-turning plate 2 close to the support roof beam 1, two groups of front-rear symmetric support rod hinge ear plates 24 are fixedly arranged. At the left and right ends of the lower end face of the support roof beam 1, four groups of support rod hinge ear plates 24 are respectively arranged. The four groups of support rod hinge ear plates 24 are arranged along the front-rear direction. The two groups of support rod hinge ear plates 24 on the front side of the support roof beam 1 correspond to the two groups of support rod hinge ear plates 24 on the front-side first-level side-turning plate 2, and the two groups of support rod hinge ear plates 24 on the rear side of the support roof beam 1 correspond to the two groups of support rod hinge ear plates 24 on the rear-side first-level side-turning plate 2. A support rod 25 is arranged between the two corresponding groups of support rod hinge ear plates 24, and both ends of the support rod 25 are respectively hinged to the two corresponding groups of support rod hinge ear plates 24.

[0039] At the edge of each first-level side-turning plate 2 away from the support roof beam 1, two groups of front-rear second-level side-turning ear plates 27 are fixedly arranged. At the edge of the second-level side-turning plate 3 close to the first-level side-turning plate 2, two front-rear symmetric second-level side-turning main reinforcements 28 are fixedly arranged. The two second-level side-turning main reinforcements 28 are respectively hinged to the two groups of second-level side-turning ear plates 27 through pins, thus realizing the rotational connection between the second-level side-turning plate 3 and the first-level side-turning plate 2.

[0040] At the middle of the edge of the lower end face of the first-level side-turning plate 2 away from the second-level side-turning plate 3, a second-level side-turning jack ear plate 26 is fixedly arranged. At the middle of the edge of the lower end face of the second-level side-turning plate 3 away from the first-level side-turning plate 2, a second-level side-turning jack ear plate 26 is fixedly arranged. One end of the cylinder bottom of the second-level side-turning jack 7 is hinged to the second-level side-turning jack ear plate 26 on the first-level side-turning plate 2, and one end of the piston rod of the second-level side-turning jack 7 is hinged to the second-level side-turning jack ear plate 26 on the second-level side-turning plate 3. The rotation of the second-level side-turning plate 3 on the first-level side-turning plate 2 is realized by the telescopic movement of the piston rod of the second-level side-turning jack 7.

[0041] The angle of the first-level tipping plate 2 is adjusted by the telescopic movement of the piston rod of the first-level tipping jack 6, and the angle of the second-level tipping plate 3 is adjusted by the telescopic movement of the piston rod of the second-level tipping jack 7. After the angle of the first-level tipping plate 2 is adjusted, both ends of the support rod 25 are respectively hinged to the roof beam 1 and the support rod hinge ear plate 24 on the first-level tipping plate 2, so as to fix the angle of the first-level tipping plate 2.

[0042] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A device for comprehensively supporting the roof of a leading support, characterized in that: It includes a support roof beam (1). At the left and right ends of the support roof beam (1), two front-and-back symmetric first side-turning plates (2) are respectively hinged. At the end of the first side-turning plate (2) far from the support roof beam (1), a second side-turning plate (3) is hinged. At the edge of the side of the first side-turning plate (2) close to the support roof beam (1), a long rod (4) and a short rod (5) are respectively hinged. The long rod (4) and the short rod (5) are hinged to each other. On the support roof beam (1), a first side-turning jack (6) is hinged. The hinge shaft (22) between the long rod (4) and the short rod (5) is hinged to the piston rod of the first side-turning jack (6); between the second side-turning plate (3) and the first side-turning plate (2), a second side-turning jack (7) is provided.

2. The full-area roof support device of the advanced support according to claim 1, characterized in that: At the center of the lower end face of the support roof beam (1), two front-and-back symmetric trunnion ear plates (8) are fixedly arranged. On the end faces of the two trunnion ear plates (8) far from each other, a ring-shaped shaft-blocking seat (9) is respectively fixedly arranged. On the shaft-blocking seat (9), a shaft-blocking jack is arranged along the radial direction. At the opening of the shaft-blocking jack, a pipe seat (10) is fixedly arranged; between the two trunnion ear plates (8), a connecting trunnion (11) is arranged. A pin shaft sequentially passes through the two trunnion ear plates (8) and the connecting trunnion (11); in the shaft-blocking jacks of the two shaft-blocking seats (9), a shaft-blocking plate (12) is respectively inserted; in the pipe seat (10), a fixed pin shaft is inserted. Open pins are inserted at both ends of the fixed pin shaft to prevent the shaft-blocking plate (12) from disengaging from the shaft-blocking jack.

3. The full - area roof - supporting device of the advanced support according to claim 1, characterized in that: On the left and right end faces of the support roof beam (1), four groups of first hinge ears (13) are respectively fixedly arranged. The four groups of first hinge ears (13) are arranged along the front-back direction. Each group includes two front-and-back symmetric first hinge ears (13). On the end faces of the two first hinge ears (13) far from each other, a fixed seat (14) is respectively fixedly arranged.

4. The full-area roof support device of the advanced support according to claim 3, characterized in that: On the lower end face of the first side-turning plate (2) close to the support roof beam (1), two front-and-back symmetric second hinge ears (15) are fixedly arranged. The two second hinge ears (15) on the front first side-turning plate (2) respectively correspond to the two front groups of first hinge ears (13) on the support roof beam (1), and the two second hinge ears (15) on the rear first side-turning plate (2) respectively correspond to the two rear groups of first hinge ears (13) on the support roof beam (1); the second hinge ear (15) is located between the two first hinge ears (13) inside the corresponding group. A pin shaft is inserted between the two first hinge ears (13) and the second hinge ear (15), so that the first side-turning plate (2) is hinged to the support roof beam (1); a retaining pin is arranged inside the fixed seats (14) on both sides. The retaining pin is arranged on the fixed seats (14) through an open pin, and the pin shaft is fixed between the fixed seats (14) on both sides through the retaining pins on both sides.

5. The full-area roof support device of a leading support according to claim 1, characterized in that: At both front and rear ends on one side of the lower end surface of the first-level tipping plate (2) near the support roof beam (1), a set of long rod hinge ear plates (16) are fixedly arranged respectively. Each set includes two symmetric front and rear long rod hinge ear plates (16); between the two symmetric long rod hinge ear plates (16), the long rod (4) is rotatably arranged. The long rod (4) includes two symmetric front and rear main rib plates (17). Hinge holes are arranged at both ends of the main rib plates (17). Between the two main rib plates (17), a bent cover plate (18), a transverse tension bar (19), and an auxiliary tension bar (20) are fixedly arranged. The bent cover plate (18), the transverse tension bar (19), and the auxiliary tension bar (20) form a box structure; the hinge holes at one end of the two main rib plates (17) of the long rod (4) are hinged to the two long rod hinge ear plates (16) through a pin shaft; between the hinge holes at the other end of the two main rib plates (17) of the long rod (4), a hinge shaft (22) is rotatably arranged.

6. The full-area roof support device of the advanced support according to claim 5, characterized in that: At the left and right ends of the lower end surface of the support roof beam (1), four sets of short rod hinge ear plates (21) are fixedly arranged. The four sets of short rod hinge ear plates (21) are arranged along the front-rear direction and correspond to the four sets of long rod hinge ear plates (16) on the two first-level tipping plates (2) respectively; each set of short rod hinge ear plates (21) includes two symmetric front and rear short rod hinge ear plates (21). Between the two short rod hinge ear plates (21), two symmetric front and rear short rods (5) are rotatably arranged through a pin shaft. One end of the two short rods (5) is hinged to the pin shaft between the two short rod hinge ear plates (21), and the other end of the two short rods (5) is hinged to the hinge shaft (22) on the corresponding long rod (4).

7. The full-area roof support device of the advanced support according to claim 6, characterized in that: At the left and right ends of the lower end surface of the support roof beam (1), four sets of first-level tipping jack ear plates (23) are respectively arranged. The four sets of first-level tipping jack ear plates (23) are arranged along the front-rear direction. The four sets of first-level tipping jack ear plates (23) are located inside the left and right short rod hinge ear plates (21), and the four sets of first-level tipping jack ear plates (23) correspond to the four long rods (4) on the front and rear two first-level tipping plates (2) on the same side respectively; the bottom end of the cylinder of the four first-level tipping jacks (6) is hinged to the corresponding set of first-level tipping jack ear plates (23), and the piston rod end of the four first-level tipping jacks (6) is hinged to the hinge shaft (22) on the corresponding long rod (4).

8. The full-area roof support device of a leading support according to claim 1, characterized in that: At one end of the lower end face of the first-level tipping plate (2) close to the support roof beam (1), two sets of front and rear symmetric support rod hinge ears (24) are fixedly arranged; at the left and right ends of the lower end face of the support roof beam (1), four sets of support rod hinge ears (24) are respectively arranged, and the four sets of support rod hinge ears (24) are arranged along the front and rear directions; the two sets of support rod hinge ears (24) on the front side of the support roof beam (1) correspond to the two sets of support rod hinge ears (24) on the front side of the first-level tipping plate (2), and the two sets of support rod hinge ears (24) on the rear side of the support roof beam (1) correspond to the two sets of support rod hinge ears (24) on the rear side of the first-level tipping plate (2); a support rod (25) is arranged between the two sets of corresponding support rod hinge ears (24), and the two ends of the support rod (25) are respectively hinged to the two sets of corresponding support rod hinge ears (24).

9. The full-area roof support device of the advanced support according to claim 1, characterized in that: At the edge of each first-level tipping plate (2) on the side far from the support roof beam (1), two sets of front and rear secondary tipping ears (27) are fixedly arranged. At the edge of the secondary tipping plate (3) on the side close to the first-level tipping plate (2), two symmetrically arranged front and rear secondary tipping main bars (28) are fixedly arranged. The two secondary tipping main bars (28) are respectively hinged to the two sets of secondary tipping ears (27) through pins, thus realizing the rotational connection between the secondary tipping plate (3) and the first-level tipping plate (2).

10. The full-area roof support device for a leading support according to claim 1, characterized in that: At the middle of the edge of the lower end face of the first-level tipping plate (2) on the side far from the secondary tipping plate (3), a secondary tipping jack ear (26) is fixedly arranged. At the middle of the edge of the lower end face of the secondary tipping plate (3) on the side far from the first-level tipping plate (2), a secondary tipping jack ear (26) is fixedly arranged. One end of the cylinder bottom of the secondary tipping jack (7) is hinged to the secondary tipping jack ear (26) on the first-level tipping plate (2), and one end of the piston rod of the secondary tipping jack (7) is hinged to the secondary tipping jack ear (26) on the secondary tipping plate (3). By the telescopic movement of the piston rod of the secondary tipping jack (7), the rotation of the secondary tipping plate (3) on the first-level tipping plate (2) is realized.

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