Folding top plate structure of forepoling

Abstract

The utility model discloses a folding type top plate structure of an advance support, and belongs to the technical field of advance support devices under mines. The device comprises a main top plate of a rectangular structure; the left end side and the right end side of the main top plate are each provided with a plurality of rotatable side wing top plates. A plurality of side jacks are hinged between the side wing top plates and the main top plate; a front top plate is rotatably mounted on the front side of the main top plate; a front jack is hinged between the front top plate and the main top plate; the side jack and the front jack can respectively drive the side wing top plate and the front top plate to rotate to be in the same plane with the main top plate; the folding top plate effectively solves the problem that a single-group vertical frame arranged in the middle of a roadway in a matched mode and a folding top plate providing a supporting effect on the top of the roadway are lacked currently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the advanced support device under the mine, specifically relates to a folding roof structure of advanced support. BACKGROUND

[0002] With the continuous advance of the coal mining face, the pressure of the advanced section of the roadway moves forward, so it is necessary to strengthen the support in the advanced section of the outlet of the working face; the advanced support in the roadway is the support mode used to prevent the deformation, movement or damage of the surrounding rock of the roadway caused by the superposition of the advanced support pressure and the support pressure along the inclined direction of the working face; the current commonly used advanced support structure is mostly similar to the patent documents disclosed in the application numbers "2009100109003" or "2007101853158", that is, two groups of vertical frames are used to provide support for the upper roof beam plate; in order to adapt to the current underground working environment, the applicant needs to design a single group of vertical frames arranged in the middle of the roadway, and based on this, it is necessary to design a new folding roof to cooperate with its use. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a folding roof structure of advanced support to solve the problem that there is no folding roof arranged in the middle of the roadway to provide support effect for the roof of the roadway.

[0004] To solve the above problems, the utility model provides the following technical scheme:

[0005] A folding roof structure of advanced support; it comprises a main roof plate in a rectangular structure; a plurality of rotatable side wing roof plates are installed on the left and right end sides of the main roof plate respectively; a plurality of side jacks are hingedly installed between the side wing roof plates and the main roof plate; a front roof plate is rotatably installed on the front side of the main roof plate; a front jack is hingedly installed between the front roof plate and the main roof plate; the side jacks and the front jack can drive the side wing roof plates and the front roof plate to rotate to the same plane with the main roof plate.

[0006] Preferably, the end plane of the side wing roof plate is provided with not less than two connecting rib plates; the connecting rib plates extend along the width direction of the side wing roof plate; side ear plates are arranged on the main roof plate at positions corresponding to the connecting rib plates; one end of the side ear plate extends outward, and a positioning hole is opened at the opposite position of the side ear plate and the connecting rib plate; the main roof plate and the connecting rib plate are positioned on the hinged positioning hole through the positioning pin.

[0007] Preferably, the side wing top plate is also a rectangular plate structure; functional through holes are arranged at the four corners of the side wing top plate; two connecting rib plates are arranged at the positions of the side wall top plate near the functional through holes, and a reinforcing rib plate is arranged between the two connecting rib plates and the front and rear end sides of the side wall top plate; a plurality of reinforcing longitudinal rods are further arranged between the connecting rib plates, and the reinforcing rib plate and the reinforcing longitudinal rods are perpendicular to the connecting rib plate.

[0008] Preferably, vertical plates are arranged on the main top plate respectively near the left and right end sides; the vertical plates are arranged along the length direction of the main top plate; an auxiliary rib plate is arranged in the middle of the side wing top plate; positioning holes are formed in the vertical plates and the auxiliary rib plate; the two ends of the side jack are respectively hingedly arranged in the positioning holes.

[0009] Preferably, a plurality of inclined cover plates are further arranged on the vertical plates; the other ends of the inclined cover plates are arranged at the positions of the left and right end sides of the main top plate; the front and rear ends of the inclined cover plates are respectively clamped between the adjacent side ear plates on the main top plate.

[0010] Preferably, the number of side jacks arranged between a single side wing top plate and the main top plate is at least two; and the side jacks and the side wing top plate are symmetrically and uniformly arranged on the side wing top plate.

[0011] Preferably, the width of the front top plate is consistent with the total width of the main top plate and the side wing top plates on both sides of the main top plate; overhanging ear plates are arranged at the tail of the front top plate and the front end side of the main top plate, and the two overhanging ear plates are hingedly connected.

[0012] Preferably, a pad is arranged at the middle of the front top plate and the position near the front side end of the main top plate; an ear plate is arranged on the pad, and the two ends of the front jack are hingedly connected to the pad at the ear plate through bolt members.

[0013] Preferably, the front side of the front top plate is a downwardly inclined folding plate structure, and the width of the folding plate is smaller than the width of the front top plate; reinforcing rods in a grid shape are further arranged on the front top plate.

[0014] The utility model discloses beneficial effects:

[0015] The utility model discloses a new folding top plate structure matched with single group advanced support support, which comprises a main top plate, a front top plate arranged on the front side of the main top plate, a plurality of side wing top plates arranged on the left and right sides of the main top plate, a plurality of side jacks arranged between the main top plate and the side wing top plates, and a plurality of front jacks arranged between the front top plate and the main top plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic view of the device in the embodiment of the utility model;

[0017] Figure 2 is Figure 1 is a three-dimensional structure schematic view of the device in the embodiment of the utility model from another perspective;

[0018] Figure 3 is Figure 1 is a top view of the device in the embodiment of the utility model;

[0019] Figure 4 is Figure 1 is a bottom view of the device in the embodiment of the utility model;

[0020] Mark explanation: 1, main roof, 1A, vertical plate, 1B, inclined cover plate, 2, side wing roof, 2A, connecting rib plate, 2B, auxiliary rib plate, 3, side jack, 4, front roof, 5, front jack. DETAILED DESCRIPTION

[0021] The utility model will be further introduced below in combination with the drawings and specific embodiments:

[0022] Embodiment:

[0023] Referring to Figure 1 , the embodiment provides a folding roof structure of advanced support; it includes the main roof 1 of rectangular structure;In the left and right end sides of main roof 1, a plurality of rotatable side wing roofs 2 are respectively installed;A plurality of side jacks 3 are hingedly installed between side wing roof 2 and main roof 1;Rotatable front roof 4 is installed on the front side of main roof 1;Front jack 5 is hingedly installed between front roof 4 and main roof 1;Side jack 3 and front jack 5 can drive side wing roof 2 and front roof 4 to rotate to be in the same plane with main roof 1.In the embodiment of the utility model, three side wing roofs are arranged on the single side of the main roof, and the width of a single side wing roof is greater than half of the width of the main roof, and the length of a single side wing roof is less than one third of the width of the main roof.

[0024] The end plane of side wing roof 2 is provided with not less than two connecting rib plates 2A;Connecting rib plate 2A extends along the width direction of side wing roof 2;Side lug plate is provided on main roof 1 at the position corresponding to connecting rib plate 2A;One end of side lug plate extends outward, and a positioning hole is opened at the opposite position of side lug plate and connecting rib plate 2A;Main roof 1 and connecting rib plate 2A are positioned on the hinge positioning hole through the positioning pin.

[0025] The side wing top plate 2 is also a rectangular plate structure; functional through holes are arranged at the four corner positions on the side wing top plate 2; two connecting rib plates 2A are arranged at the middle part of the side wall top plate 2 close to the functional through holes, and a reinforcing rib plate is arranged between the two connecting rib plates 2A and the front and rear end sides of the side wall top plate 2; a plurality of reinforcing longitudinal rods are further arranged between the connecting rib plates 2A, and the reinforcing rib plate and the reinforcing longitudinal rods are all perpendicular to the connecting rib plate 2A.

[0026] A vertical plate 1A is arranged on the main top plate 1 close to the left and right end sides respectively; the vertical plate 1A is arranged along the length direction of the main top plate 1; an auxiliary rib plate 2B is arranged at the middle part of the side wing top plate 2; positioning holes are arranged on the vertical plate 1A and the auxiliary rib plate 2B; the two ends of the side jack 3 are respectively hingedly arranged at the positioning holes.

[0027] A plurality of inclined cover plates 1B are further arranged on the vertical plate 1A; the other end of the inclined cover plate 1B is arranged at the position of the left and right end sides of the main top plate 1; the front and rear ends of the inclined cover plate 1B are respectively clamped between the adjacent side ear plates on the main top plate 1.

[0028] The number of the side jacks 3 arranged between the single side wing top plate 2 and the main top plate 1 is at least two; and the side jacks and the side wing top plate are all symmetrically and uniformly arranged on the side wing top plate 2.

[0029] The width of the front top plate 4 is consistent with the total width of the main top plate 1 and the side wing top plates 2 on both sides of the main top plate 1; a cantilever ear plate is arranged at the tail of the front top plate 4 and the front end side of the main top plate 1, and the two cantilever ear plates are hingedly connected.

[0030] A pad is arranged at the middle part of the front top plate 4 and the position close to the front side end of the main top plate 1; an ear plate is arranged on the pad, and the two ends of the front jack 5 are hingedly connected to the pad at the ear plate through bolt members.

[0031] The front side of the front top plate 4 is a downwardly inclined folding plate structure, and the width of the folding plate is smaller than the width of the front top plate 4; a reinforcing rod in a grid shape is further arranged on the front top plate 4.

[0032] In the embodiment, three reinforcing longitudinal rods are arranged on the single side wing top plate, and the auxiliary rib plate 2B is clamped at the middle part of two reinforcing longitudinal rods; the auxiliary rib plate 2B and the connecting rib plate 2A on the side wing top plate 2 are arranged alternately; the projection of the positioning hole on the auxiliary rib plate 2B on the side wing top plate is located at the middle part of the side wing top plate.

[0033] When the device of the embodiment is used, the angle of the corresponding side wing top plate and the front top plate relative to the main top plate can be adjusted by the side jack and the front jack according to the actual working condition requirements.

Claims

1. A folded roof structure for forepoling, comprising a main roof (1) in a rectangular structure; characterized in that: A plurality of rotatable side wing top plates (2) are respectively arranged at the left and right end sides of the main top plate (1); a plurality of side jacks (3) are hingedly arranged between the side wing top plate (2) and the main top plate (1); a front top plate (4) is rotatably arranged at the front side of the main top plate (1); a front jack (5) is hingedly arranged between the front top plate (4) and the main top plate (1); the side jack (3) and the front jack (5) can respectively drive the side wing top plate (2) and the front top plate (4) to rotate to the same plane with the main top plate (1).

2. A fold and set roof structure according to claim 1 wherein: The end plane of the side wing top plate (2) is provided with not less than two connecting rib plates (2A); the connecting rib plate (2A) extends along the width direction of the side wing top plate (2); the main top plate (1) is provided with a side lug plate at the position corresponding to the connecting rib plate (2A); one end of the side lug plate extends outward, and a positioning hole is formed at the position opposite to the connecting rib plate (2A); the main top plate (1) and the connecting rib plate (2A) are positioned by a positioning pin in the hinged positioning hole.

3. A fold and set roof structure as claimed in claim 2, wherein: The side wing top plate (2) is also a rectangular plate structure; a functional through hole is arranged at the four corner positions of the side wing top plate (2); two connecting rib plates (2A) are arranged at the middle part of the side wall top plate (2) near the functional through hole, and a reinforcing rib plate is arranged between the two connecting rib plates (2A) and the front and rear end sides of the side wall top plate (2); a plurality of reinforcing longitudinal rods are further arranged between the connecting rib plates (2A); the reinforcing rib plate and the reinforcing longitudinal rod are perpendicular to the connecting rib plate (2A).

4. A fold and set roof structure as claimed in claim 1 wherein: A vertical plate (1A) is arranged on the main top plate (1) at positions close to the left and right end sides; the vertical plate (1A) is arranged along the length direction of the main top plate (1); an auxiliary rib plate (2B) is arranged at the middle part of the side wing top plate (2); positioning holes are formed on the vertical plate (1A) and the auxiliary rib plate (2B); the two ends of the side jack (3) are respectively hingedly arranged in the positioning holes.

5. A fold and set roof structure as claimed in claim 2, wherein: A plurality of inclined cover plates (1B) are further arranged on the vertical plate (1A); the other end of the inclined cover plate (1B) is arranged at the position of the left and right end sides of the main top plate (1); the front and rear ends of the inclined cover plate (1B) are respectively clamped between the adjacent side lug plates on the main top plate (1).

6. A pre-supporting folding roof structure according to claim 1, characterized in that: The number of side jacks (3) arranged between a single side wing top plate (2) and the main top plate (1) is at least two; and these side jacks and side wing top plates are symmetrically and uniformly arranged on the side wing top plate (2).

7. A pre-supporting folding roof structure according to claim 1, characterized in that: The width of the front top plate (4) is consistent with the total width of the main top plate (1) and the side wing top plates (2) on both sides of the main top plate (1); a cantilever lug plate is arranged at the tail of the front top plate (4) and the front end side of the main top plate (1), and the two are hingedly connected at the cantilever lug plate.

8. A pre-supporting folding roof structure according to claim 1, characterized in that: A pad is arranged at the middle part of the front top plate (4) and the position close to the front side end of the main top plate (1); a lug plate is arranged on the pad, and the two ends of the front jack (5) are hingedly arranged at the pad position through bolts.

9. A pre-supporting folding roof structure according to claim 1, characterized in that: The front side of the front top plate (4) is a downward inclined folding plate structure, and the width of the folding plate is smaller than the width of the front top plate (4); a reinforcing rod in a grid shape is further arranged on the front top plate (4).

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