A suspended roadway support trolley

Abstract

The utility model discloses a kind of suspension roadway support trolley, including track, travelling trolley, connecting frame, shield frame, head wall;The track is fixed in roadway top, travelling trolley is movably installed on track, travelling trolley, connecting frame, shield frame, head wall are hingedly in turn, lifting cylinder is installed between the travelling trolley and connecting frame, folding oil cylinder is installed between the connecting frame and shield frame, push wall oil cylinder is installed between shield frame and head wall, grounding oil cylinder is installed on head wall, the slide rail of the top of matched mine roadway is convenient to move, also does not occupy the space that this is narrow in mine, supporting equipment can be folded, it is convenient to recycle after supporting, when storing, space occupation is also reduced.

Description

Technical Field

[0001] This utility model relates to the field of mining machinery, specifically to a supporting equipment for an intelligent rapid tunneling system. Background Technology

[0002] In coal mine tunneling, roof support at the tunneling face (i.e., the working face) is a core element for ensuring construction safety and operational efficiency. After rock breaking or coal falling at the tunneling face, the original rock mass balance is disrupted, resulting in temporary unsupported areas on the roof. Without timely and effective support, roof collapses and spalling are highly likely to occur, causing equipment damage, personnel casualties, and severely impacting tunneling progress and increasing mine production costs. Therefore, temporary support devices, as crucial equipment for initial support in the unsupported roof area of ​​the tunneling face, directly affect the safety and economy of underground operations. Summary of the Invention

[0003] The purpose of this utility model is to provide a temporary support device that can fully cover the unsupported roof area, has reliable initial support force, adapts to complex geological conditions, is easy to operate, and can be efficiently coordinated with tunneling operations, addressing the current problem of face support in underground coal mine tunneling.

[0004] The technical solution of this utility model: A suspended roadway support trolley includes a track, a traveling trolley, a connecting frame, a shield frame, and a facing wall. The track is fixed to the top of the roadway, and the traveling trolley is movably mounted on the track. The traveling trolley, connecting frame, shield frame, and facing wall are sequentially hinged. A lifting cylinder is installed between the traveling trolley and the connecting frame, a folding cylinder is installed between the connecting frame and the shield frame, a pushing cylinder is installed between the shield frame and the facing wall, and a grounding cylinder is installed on the facing wall.

[0005] The traveling trolley is a square frame with several connecting seats evenly arranged on the center line of the traveling trolley. The connecting seats are equipped with pulleys that cooperate with the track. The end of the traveling trolley away from the connecting frame is horizontally hinged to one end of the drive linkage. The other end of the drive linkage is horizontally hinged to the driving trolley. The driving trolley is installed on the track.

[0006] Several top-mounted hydraulic cylinders are also vertically installed on the edge of the traveling trolley, with the push rods of the top-mounted hydraulic cylinders extending upwards.

[0007] The traveling trolley is hinged to the connecting frame via a hinge seat 1. Two hinge seats 1 are fixed relative to each other on the two edges of one end of the traveling trolley, and the hinge holes on the hinge seats 1 are higher than the plane of the traveling trolley. A cylinder seat 1 is also vertically mounted on the lower end face of the traveling trolley adjacent to the hinge seats 1. The lifting cylinder is hinged to the cylinder seat 1. A cylinder seat 2 and a force-bearing seat are vertically mounted in the middle of the connecting frame. The force-bearing seat is hinged to the end of the push rod of the lifting cylinder. The cylinder seat 2 is hinged to the folding cylinder, and the push rod end of the folding cylinder is hinged to the shield frame.

[0008] The shield frame is hinged to the connecting frame and the frontal wall at both ends, respectively. The end hinged to the connecting frame is also fixed to one end of two L-shaped rotating seats. The other end of the L-shaped rotating seats is placed below the lower end face of the folding cylinder. The wall-pushing cylinder is hinged to the middle of the shield frame, and the push rod end of the wall-pushing cylinder is hinged to the end of the frontal wall adjacent to the shield frame.

[0009] The facing wall is provided with a bending head at one end adjacent to the shield frame. A cylinder seat three and a hinge seat four are also fixed on the end face of the bending head. The cylinder seat three is hinged to the push rod of the wall-pushing cylinder, and the hinge seat four is hinged to the grounding cylinder. The middle part of the grounding cylinder is fixed on the facing wall.

[0010] The bending head has three bends, with the included angle between each bend being 140°~160°.

[0011] The push rod end of the grounding cylinder is also equipped with a wall-breaking cone.

[0012] The lifting cylinder, folding cylinder, wall-pushing cylinder, and grounding cylinder are arranged in parallel to each other and staggered.

[0013] The shield is also hinged to both sides with protective wings.

[0014] The beneficial effects of this utility model are: the sliding rails on the top of the mine roadway are easy to move and do not occupy the already small space in the mine; the support equipment can be folded and is easy to retrieve after support; and it also reduces space occupation when stored. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of the equipment in its supported state.

[0016] Figure 2 This is a top-view structural diagram of the equipment in its supported state.

[0017] Figure 3 This is a structural diagram of the equipment in the low-level material receiving state.

[0018] Figure 4 This is a schematic diagram of the equipment in its non-working state.

[0019] In the diagram: 1-track, 2-traveling trolley, 21-pulley, 22-top connecting rod, 23-drive trolley, 24-hinged seat, 25-top connecting cylinder, 26-connecting seat, 27-hinged seat one, 28-cylinder seat one, 3-connecting frame, 31-lifting cylinder, 32-folding cylinder, 33-cylinder seat two, 34-force-bearing seat, 35-L-shaped rotating seat, 4-shield frame, 41-wall-pushing cylinder, 42-protective wing, 5-head-facing wall protection, 51-bending head, 52-cylinder seat three, 53-hinged seat four, 54-grounding cylinder, 6-wall-breaking cone, 7-drive connecting rod. Detailed Implementation

[0020] This utility model provides a suspended roadway support trolley, comprising a track 1, a traveling trolley 2, a connecting frame 3, a shield frame 4, and a facing wall 5; the track 1 is fixed to the top of the roadway, the traveling trolley 2 is movably mounted on the track 1, the traveling trolley 2, the connecting frame 3, the shield frame 4, and the facing wall 5 are sequentially hinged, a lifting cylinder 31 is installed between the traveling trolley 2 and the connecting frame 3, a folding cylinder 32 is installed between the connecting frame 3 and the shield frame 4, a wall-pushing cylinder 41 is installed between the shield frame 4 and the facing wall 5, and a grounding cylinder 54 is installed on the facing wall 5.

[0021] The traveling trolley 2 has a square frame. Several connecting seats 26 are evenly arranged along the center line of the traveling trolley 2. Each connecting seat 26 is equipped with a pulley 21 that cooperates with the track 1. The end of the traveling trolley 2 furthest from the connecting frame 3 is horizontally hinged to one end of the drive linkage 7. The other end of the drive linkage 7 is horizontally hinged to the drive trolley 23, which is mounted on the track 1. The drive trolley provides power to the traveling trolley. After reaching the target position, the push rod of the top-mounted hydraulic cylinder on the traveling trolley extends and contacts the top of the tunnel to support and fix the traveling trolley.

[0022] Several top-mounted hydraulic cylinders 25 are also vertically installed on the edge of the traveling trolley 2, with the push rods of the top-mounted hydraulic cylinders 25 extending upwards.

[0023] The traveling trolley 2 is hinged to the connecting frame 3 via hinge seats 27. Two hinge seats 27 are fixed relative to each other at one end of the traveling trolley 2, and the hinge holes on the hinge seats 27 are higher than the plane of the traveling trolley 2. A cylinder seat 28 is vertically mounted on the lower end face of the traveling trolley 2 adjacent to the hinge seats 27. A lifting cylinder 31 is hinged to the cylinder seat 28. A cylinder seat 33 and a force-bearing seat 34 are vertically mounted in the middle of the connecting frame 3. The force-bearing seat 34 is hinged to the end of the push rod of the lifting cylinder 31. The cylinder seat 33 is hinged to a folding cylinder 32, and the push rod end of the folding cylinder 32 is hinged to the shield 4. During support, the lifting cylinder 31 is activated, and the folding cylinder 32 retracts, causing the connecting frame 3 to rise and the shield to be raised horizontally to contact the top of the tunnel for support.

[0024] The shield 4 is hinged at both ends to the connecting frame 3 and the frontal wall 5, respectively. The end hinged to the connecting frame 3 is also fixed to one end of two L-shaped rotating seats 35. The other end of the L-shaped rotating seats 35 is positioned below the lower end face of the folding cylinder 32. The wall-pushing cylinder 41 is hinged to the middle of the shield 4, and the push rod end of the wall-pushing cylinder 41 is hinged to one end of the frontal wall 5 adjacent to the shield 4. During support, the wall-pushing cylinder 41 extends, causing the frontal wall 5 to unfold to a 90-degree angle with the shield 4.

[0025] The facing wall 5 is provided with a bending head 51 at one end adjacent to the shield frame 4. A cylinder seat 3 52 and a hinge seat 4 53 are also fixed on the end face of this end. The cylinder seat 3 52 is hinged to the push rod of the wall-pushing cylinder 41, and the hinge seat 4 53 is hinged to the grounding cylinder 54. The middle part of the grounding cylinder 54 is fixed on the facing wall 5. The final support step is to form support by extending the push rod of the grounding cylinder 54 to contact the ground.

[0026] The bending head 51 has three bends, with an included angle of 140°~160° between each bend, ensuring that the frontal wall can be folded onto the shield frame.

[0027] The push rod end of the grounding cylinder 54 is also equipped with a wall-breaking cone 6. Under the thrust of the grounding cylinder, the push rod can be inserted into the ground, increasing the stability of the support.

[0028] The lifting cylinder 31, folding cylinder 32, wall-pushing cylinder 41, and grounding cylinder 54 are arranged parallel to each other and staggered to avoid interference during folding.

[0029] The shield 4 is also hinged to both sides with protective wings 42.

[0030] Working principle: 1. After the roadheader finishes its work, the support pump station is started. The working fluid enters the operating valve group, and the drive motor and drive brake are supplied with fluid. The brake is opened, the motor works, and the drive pushes the support towards the face. When the face wall 7 reaches the face, the brake is applied, and the top-reaching cylinder 3 is extended to reach the top. At the same time, the front folding cylinder group 6 and the rear folding cylinder group 6 are operated to lower the support to the low position. The anchor net is placed on the surface of the shield 7. The front and rear folding cylinder groups 6 are operated to lift the net to reach the top, unfold the face wall 7, and extend the grounding cylinder 9. The support workers work under the support.

[0031] 2. After the support operation is completed, retract the grounding cylinder, retract the face wall 8, operate the support to fall, repeat the action to raise the matching rail, the workers lay the rail, lower the support, retract the top connecting cylinder 3, drive the fluid supply and the support to withdraw to the designated position, shut off the power source, and the tunneling or roadway repair work continues.

Claims

1. A suspended roadway support trolley, comprising a track (1), a traveling trolley (2), a connecting frame (3), a shield frame (4), and a facing wall (5), characterized in that: The track (1) is fixed to the top of the roadway, and the traveling trolley (2) is movably installed on the track (1). The traveling trolley (2), the connecting frame (3), the shield frame (4), and the facing wall (5) are hinged in sequence. A lifting cylinder (31) is installed between the traveling trolley (2) and the connecting frame (3). A folding cylinder (32) is installed between the connecting frame (3) and the shield frame (4). A wall-pushing cylinder (41) is installed between the shield frame (4) and the facing wall (5). A grounding cylinder (54) is installed on the facing wall (5).

2. The suspended roadway support trolley according to claim 1, characterized in that: The traveling trolley (2) is a square frame. Several connecting seats (26) are evenly arranged on the center line of the traveling trolley (2). A pulley (21) is installed on the connecting seat (26) and cooperates with the track (1). The end of the traveling trolley (2) away from the connecting frame (3) is horizontally hinged to one end of the driving link (7). The other end of the driving link (7) is horizontally hinged to the driving trolley (23). The driving trolley (23) is installed on the track (1).

3. The suspended roadway support trolley according to claim 2, characterized in that: The edge of the walking trolley (2) is also vertically equipped with several top-mounted hydraulic cylinders (25), and the push rods of the top-mounted hydraulic cylinders (25) extend upwards.

4. The suspended roadway support trolley according to claim 1, characterized in that: The traveling trolley (2) is hinged to the connecting frame (3) via hinge seat 1 (27). The two hinge seats 1 (27) are fixed relative to each other on the two edges of one end of the traveling trolley (2), and the hinge holes on the hinge seats 1 (27) are higher than the plane of the traveling trolley (2). A cylinder seat 1 (28) is also vertically installed on the lower end face of the traveling trolley (2) adjacent to the hinge seat 1 (27). The lifting cylinder (31) is hinged to the cylinder seat 1 (28). A cylinder seat 2 (33) and a force seat (34) are vertically installed in the middle of the connecting frame (3). The force seat (34) is hinged to the end of the push rod of the lifting cylinder (31). The cylinder seat 2 (33) is hinged to the folding cylinder (32). The push rod end of the folding cylinder (32) is hinged to the shield frame (4).

5. The suspended roadway support trolley according to claim 1, characterized in that: The shield (4) is hinged to the connecting frame (3) and the frontal wall (5) at both ends respectively. The end hinged to the connecting frame (3) is also fixed to one end of two L-shaped rotating seats (35). The other end of the L-shaped rotating seats (35) is placed below the lower end face of the folding cylinder (32). The wall-pushing cylinder (41) is hinged to the middle of the shield (4). The push rod end of the wall-pushing cylinder (41) is hinged to one end of the frontal wall (5) adjacent to the shield (4).

6. The suspended roadway support trolley according to claim 1, characterized in that: The frontal wall (5) is provided with a bent head (51) at one end adjacent to the shield (4). A cylinder seat three (52) and a hinge seat four (53) are also fixed on the end face. The cylinder seat three (52) is hinged to the push rod of the push wall cylinder (41), and the hinge seat four (53) is hinged to the grounding cylinder (54). The middle part of the grounding cylinder (54) is fixed on the frontal wall (5).

7. The suspended roadway support trolley according to claim 6, characterized in that: The bending head (51) is in three-section bends, with an included angle of 140°~160° between each section.

8. The suspended roadway support trolley according to claim 1, characterized in that: The push rod end of the grounding cylinder (54) is also equipped with a wall-breaking cone (6).

9. The suspended roadway support trolley according to claim 1, characterized in that: The lifting cylinder (31), folding cylinder (32), wall-pushing cylinder (41), and grounding cylinder (54) are arranged in parallel and staggered configurations.

10. The suspended roadway support trolley according to claim 1, characterized in that: The shield (4) is also hinged with protective wings (42) on both sides.

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