Mine supporting device

Abstract

The utility model belongs to the field of mine safety supporting, and relates to a mine supporting device which comprises a bottom supporting mechanism, a main body supporting mechanism and a height adjusting and locking mechanism. The main body supporting mechanism is movably arranged on the bottom supporting mechanism through the height adjusting and locking mechanism; the height adjusting and locking mechanism drives the main body supporting mechanism to freely ascend and descend in the axial direction of the height adjusting and locking mechanism. The mine supporting device is convenient to adjust and high in safety.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine safety support field relates to a mine support device especially relates to a mine support device for coal mining. BACKGROUND

[0002] In the process of coal mining, the mine support device is the important equipment of ensuring mine safety and stability. The traditional mine support device usually adopts fixed column and fixed support structure, and the height and support angle thereof cannot be adjusted, which is difficult to adapt to the complex changes of different mine environments. Such fixed support device often cannot provide sufficient support force when facing the change of mine geological conditions, which is easy to cause mine collapse and has great safety hidden danger. In addition, the support structure of the traditional device is single and lacks flexibility, which cannot effectively respond to the dynamic changes inside the mine, further increasing the mining risk. TECHNICAL CONTENT

[0003] In order to solve the above technical problems existing in the background art, the utility model provides a mine support device which is convenient to adjust and has high safety.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A mine support device, characterized in that: the mine support device comprises a bottom support mechanism, a main body support mechanism and a height adjusting and locking mechanism; the main body support mechanism is movably arranged on the bottom support mechanism through the height adjusting and locking mechanism; the height adjusting and locking mechanism drives the main body support mechanism to freely ascend and descend along the axial direction of the height adjusting and locking mechanism.

[0006] The main body support mechanism comprises a movable column and a top plate fixedly arranged on the top of the movable column; the movable column is coaxial with the height adjusting and locking mechanism and is movably arranged on the bottom support mechanism through the height adjusting and locking mechanism; the height adjusting and locking mechanism drives the movable column to freely ascend and descend along the axial direction of the height adjusting and locking mechanism.

[0007] The height adjusting locking mechanism comprises a servo motor, an adjusting screw rod, a connecting beam, a follower plate and a first locking hand wheel; the servo motor is arranged on the bottom support mechanism; the adjusting screw rod is arranged vertically on the bottom support mechanism and is connected with the servo motor; the movable stand is coaxial with the adjusting screw rod and is threadedly connected with the adjusting screw rod; the servo motor drives the movable stand to rotate around the adjusting screw rod through the adjusting screw rod; the connecting beam is sleeved outside the movable stand and is fixedly connected with the movable stand; the follower plate is arranged on the side of the connecting beam; the bottom support mechanism is provided with an opening along the axial direction of the adjusting screw rod; the connecting beam extends from the opening and is freely lifted and lowered in the opening; the width of the follower plate is greater than the width of the opening; the bottom support mechanism is provided with a first limiting hole; the axial direction of the first limiting hole is perpendicular to the axial direction of the adjusting screw rod; the first limiting hole is a plurality of first limiting holes, and the plurality of first limiting holes are sequentially arranged on the bottom support mechanism from top to bottom along the axial direction of the adjusting screw rod; the first locking hand wheel penetrates through the follower plate and is inserted into the first limiting hole.

[0008] The mine support device further comprises a circumferential support mechanism arranged on the side of the main body support mechanism and connected with the main body support mechanism.

[0009] The circumferential support mechanism comprises a support frame, a hydraulic support rod, a movable support seat, an adjusting telescopic rod and a bait block; the movable support seat is sleeved outside the movable stand; the adjusting telescopic rod is parallel to the axial direction of the movable stand; one end of the adjusting telescopic rod is fixedly arranged on the bottom support mechanism, and the other end is connected with the movable support seat; the adjusting telescopic rod drives the movable support seat to freely lift and lower along the axial direction of the movable stand; the support frame is movably arranged on the side of the top plate; one end of the hydraulic support rod is arranged on the movable support seat through the bait block, and the other end is connected with the support frame.

[0010] The support frame is provided with a receiving groove along the axial direction of the support frame; the structure of the receiving groove is matched with the structure of the hydraulic support rod.

[0011] The support frame is a plurality of support frames, and the plurality of support frames are uniformly distributed on the side of the top plate; the number of the hydraulic support rods corresponds to the number of the support frames.

[0012] The circumferential support mechanism further comprises a second locking hand wheel; a second limiting hole is arranged on the side wall of the movable stand, and the second locking hand wheel is inserted into the second limiting hole after penetrating through the movable support seat; the axial direction of the second limiting hole is perpendicular to the axial direction of the movable stand; the second limiting hole is a plurality of second limiting holes, and the plurality of second limiting holes are sequentially arranged on the movable stand from top to bottom.

[0013] The circumferential support mechanism further comprises a flexible protective net arranged between and connected with adjacent two support frames.

[0014] The bottom support mechanism comprises a base and a fixed column vertically arranged on the base; a first cavity is arranged on the fixed column along the axial direction of the fixed column; and the height adjusting and locking mechanism is arranged in the first cavity along the axial direction of the first cavity.

[0015] The utility model discloses the advantages are:

[0016] The utility model provides a mine support device, including bottom support mechanism, main part support mechanism and height adjusting and locking mechanism, main part support mechanism passes through height adjusting and locking mechanism and is arranged on the bottom support mechanism, and height adjusting and locking mechanism drives main part support mechanism and along the axial direction of height adjusting and locking mechanism freely lifts. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the mine support device provided by the utility model in the support state;

[0018] Figure 2 It is the structure schematic diagram of the mine support device provided by the utility model in the folding state;

[0019] Figure 3 It is the overhead structure schematic diagram of the mine support device provided by the utility model in the support state;

[0020] Figure 4 It is the overhead structure schematic diagram of the fixed column adopted by the utility model;

[0021] In the drawing:

[0022] 1 - base, 2 - recess, 3 - servo motor, 4 - first cavity, 5 - fixed column, 6 - second cavity, 7 - movable support seat, 8 - hydraulic support rod, 9 - storage groove, 10 - top plate, 11 - movable column, 12 - support frame, 13 - bait block, 14 - second locking hand wheel, 15 - adjusting telescopic rod, 16 - adjusting screw rod, 17 - follow-up plate, 18 - first locking hand wheel, 19 - connecting crossbeam, 20 - flexible protective net, 21 - movable groove, 22 - first limit hole, 23 - second limit hole, 24 - opening. DETAILED DESCRIPTION

[0023] Referring to Figure 1 And Figure 2The utility model provides a kind of mine supporting device, including bottom support mechanism, main body support mechanism and height adjustment locking mechanism;Main body support mechanism is movably arranged on bottom support mechanism by height adjustment locking mechanism;Height adjustment locking mechanism drives main body support mechanism to freely lift along the axial direction of height adjustment locking mechanism.

[0024] Wherein, main body support mechanism includes movable column 11 and top plate 10 fixedly arranged at the top of movable column 11, exemplary, top plate 10 is fixed at the top of movable column 11 by fixed bolt;Movable column 11 is coaxial with height adjustment locking mechanism and movably arranged on bottom support mechanism by height adjustment locking mechanism;Height adjustment locking mechanism drives movable column 11 to freely lift along the axial direction of height adjustment locking mechanism.

[0025] Referring to Figure 1 And Figure 4 The utility model adopts height adjustment locking mechanism, including servo motor 3, adjusting screw rod 16, connecting crossbeam 19, follow-up plate 17 and first locking hand wheel 18;Servo motor 3 is arranged on bottom support mechanism;Adjusting screw rod 16 is arranged on bottom support mechanism and is connected with servo motor 3 vertically;Movable column 11 is coaxial with adjusting screw rod 16 and is connected with adjusting screw rod 16 threadedly;Servo motor 3 drives movable column 11 to rotate around the axial direction of adjusting screw rod 16 by adjusting screw rod 16;Connecting crossbeam 19 is sleeved outside movable column 11 and is fixedly connected with movable column 11;Follow-up plate 17 is placed in the side of connecting crossbeam 19;Open 24 is arranged on bottom support mechanism along the axial direction of adjusting screw rod 16;Connecting crossbeam 19 is stretched from open 24 and freely lifts in open 24;The width of follow-up plate 17 is greater than the width of open 24;First limit hole 22 is arranged on bottom support mechanism;The axial direction of first limit hole 22 is perpendicular to the axial direction of adjusting screw rod 16;First limit hole 22 is multiple, and multiple first limit hole 22 is sequentially arranged on bottom support mechanism from top to bottom along the axial direction of adjusting screw rod 16;First locking hand wheel 18 is inserted into the hole of first limit hole 22 by penetrating follow-up plate 17.

[0026] Referring to Figure 1 、 Figure 2 And Figure 3The mine supporting device further comprises a circumferential supporting mechanism arranged on the side of the main body supporting mechanism and connected with the main body supporting mechanism. The circumferential supporting mechanism comprises a supporting frame 12, a hydraulic supporting rod 8, a movable supporting base 7, an adjusting telescopic rod 15 and a bait block 13. The movable supporting base 7 is sleeved on the outside of the movable column 11. The adjusting telescopic rod 15 is arranged in parallel with the movable column 11 in the axial direction. One end of the adjusting telescopic rod 15 is fixedly arranged on the bottom supporting mechanism, and the other end is connected with the movable supporting base 7. The adjusting telescopic rod 15 drives the movable supporting base 7 to freely ascend and descend along the axial direction of the movable column 11, that is, the height of the movable supporting base 7 can be adjusted by the telescopic adjusting telescopic rod 15. The supporting frame 12 is movably arranged on the side of the top plate 10. One end of the hydraulic supporting rod 8 is arranged on the movable supporting base 7 through the bait block 13, and the other end is connected with the supporting frame 12. A second cavity 6 is arranged on the bottom supporting mechanism in the axial direction of the movable column 11. The adjusting telescopic rod 15 can be arranged in the second cavity 6. The bottom of the second cavity 6 is provided with a through hole for accommodating the adjusting telescopic rod 15. The volume of the second cavity 6 is greater than the volume of the movable supporting base 7, so that the adjusting telescopic rod 15 can freely extend and retract in the second cavity 6 without space limitation. Figure 1 and Figure 2 A receiving groove 9 is arranged on the supporting frame 12 in the axial direction of the supporting frame 12. The structure of the receiving groove 9 is matched with the structure of the hydraulic supporting rod 8. When the supporting frame 12 is folded, the output end of the hydraulic supporting rod 8 can be completely accommodated in the receiving groove 9, so that the compactness of the whole device in the folded state is ensured. Figure 3 The supporting frame 12 is a plurality of supporting frames 12, and the plurality of supporting frames 12 are uniformly arranged on the side of the top plate 10. The number of the hydraulic supporting rods 8 corresponds to the number of the supporting frames 12. The outer side of the top plate 10 is uniformly provided with a movable groove 21. The supporting frame 12 is installed in the movable groove 21 through a rotating shaft. Through the rotating shaft, the supporting frame 12 can rotate in the movable groove 21, so that the unfolding and folding of the supporting frame 12 are realized.

[0027] The supporting frame 12 is a plurality of supporting frames 12, and the plurality of supporting frames 12 are uniformly arranged on the side of the top plate 10. The number of the hydraulic supporting rods 8 corresponds to the number of the supporting frames 12. The outer side of the top plate 10 is uniformly provided with a movable groove 21. The supporting frame 12 is installed in the movable groove 21 through a rotating shaft. Through the rotating shaft, the supporting frame 12 can rotate in the movable groove 21, so that the unfolding and folding of the supporting frame 12 are realized. Figure 1 and Figure 2 The circumferential supporting mechanism further comprises a second locking hand wheel 14. A second limiting hole 23 is arranged on the side wall of the movable column 11. The second locking hand wheel 14 penetrates the movable supporting base 7 and is inserted into the second limiting hole 23. The axial direction of the second limiting hole 23 is perpendicular to the axial direction of the movable column 11. The second limiting hole 23 is a plurality of second limiting holes 23 arranged on the movable column 11 from top to bottom. The second locking hand wheel 14 is used for locking and releasing the movable supporting base 7 by rotating, so as to adjust the height of the movable supporting base 7. The number and position of the second limiting hole 23 are designed according to the actual use requirement, so as to ensure that the movable supporting base 7 can be stably locked during the adjusting process. Figure 3The circumferential support mechanism further comprises a flexible protective net 20 disposed between and connected to the adjacent two support frames 12. The flexible protective net 20 ensures that the protective net 20 can be tightly unfolded during use to form a safe protective area. The design of the hydraulic support rod 8 allows the support frame 12 to be adjusted in the vertical direction to adapt to different use requirements.

[0028] The specific use of the circumferential support mechanism is as follows: adjust the telescopic rod 15 to extend, raise the movable support base 7, and after being raised to the working position, insert the second locking hand wheel 14 into the corresponding second limiting hole 23 to fix the relative position of the movable support base 7 and the movable column 11. Then, start the hydraulic support rod 8 to raise the part connected to the bottom of the support frame 12, thereby unfolding the support frame 12. During the unfolding of the support frame 12, the flexible protective net 20 is unfolded to form a safe protective area. The folding process: fold the support frame 12 through the hydraulic support rod 8, and store the output end size of the hydraulic support rod 8 in the storage groove 9. Finally, lower the movable support base 7 by adjusting the telescopic rod 15 to restore the entire device to the storage state.

[0029] The bottom support mechanism comprises a base 1 and a fixed column 5 vertically arranged on the base 1; the fixed column 5 is provided with a first cavity 4 along the axial direction of the fixed column 5; and a height adjustment locking mechanism is arranged in the first cavity 4 along the axial direction of the first cavity 4. The base 1 is provided with a groove 2, and a servo motor 3 is arranged inside the groove 2. Exemplarily, the base 1 is of a rectangular structure and is made of high-strength metal material to ensure the stability and durability of the entire device; the fixed column 5 is of a cylindrical design and is also made of high-strength metal to ensure its load-bearing capacity. The first cavity 4 is cylindrical and has sufficient internal space to accommodate the movable column 11 and its related components. The movable column 11 is also cylindrical but has a diameter slightly smaller than the inner diameter of the first cavity 4 to ensure that it can freely slide and move in the first cavity 4. The groove 2 is of a rectangular structure and has a moderate depth for installing the servo motor 3. The servo motor 3 is selected to be a high-torque and high-precision servo motor, and its output end is extended to the inside of the first cavity 4 through a fixing device and is fixedly connected to one end of an adjusting screw rod 16, which is made of high-strength threaded steel.

[0030] The mine supporting device provided by the utility model is used in particular, when the height of the movable stand column 11 needs to be adjusted, the servo motor 3 is started, and the output end of the servo motor 3 drives the adjusting screw rod 16 to rotate. Because the adjusting screw rod 16 is in threaded cooperation with the movable stand column 11, therefore, the rotary motion of the adjusting screw rod 16 is converted into the up-down linear motion of the movable stand column 11. Specifically, when the adjusting screw rod 16 rotates clockwise, the movable stand column 11 moves upwards; when the adjusting screw rod 16 rotates anticlockwise, the movable stand column 11 moves downwards. By controlling the rotary direction and speed of the servo motor 3, the accurate adjustment of the height of the movable stand column 11 is realized. When the movable stand column 11 reaches the predetermined height, the operation of the servo motor 3 is stopped. At this time, the first locking hand wheel 18 penetrates through the follow-up plate 17 and is inserted into the corresponding first limiting hole 22, and at the same time, the first locking hand wheel 18 is tightened, used for fixing the position of the follow-up plate 17, and further fixing the positions of the connecting cross beam 19 and the movable stand column 11 connected with the follow-up plate 17. Subsequently, according to the actual demand, the circumferential supporting mechanism can be opened, and the working mode of the circumferential supporting mechanism is as shown above, and details are not repeated here.

[0031] The connecting cross beam 19 is made of high-strength steel material, so as to ensure that it has sufficient carrying capacity and stability during use. The follow-up plate 17 is made of wear-resistant material, and can provide smooth relative motion between the movable stand column 11 and the fixed stand column 5.

Claims

1. A mine support device, characterized in that: The mine support device includes a bottom support mechanism, a main support mechanism, and a height adjustment and locking mechanism; the main support mechanism is movably mounted on the bottom support mechanism via the height adjustment and locking mechanism; the height adjustment and locking mechanism drives the main support mechanism to move freely up and down along the axial direction of the height adjustment and locking mechanism.

2. The mine support device according to claim 1, characterized in that: The main support mechanism includes a movable column (11) and a top plate (10) fixedly installed on the top of the movable column (11); the movable column (11) is coaxial with the height adjustment locking mechanism and is movably installed on the bottom support mechanism through the height adjustment locking mechanism; the height adjustment locking mechanism drives the movable column (11) to move freely up and down along the axial direction of the height adjustment locking mechanism.

3. The mine support device according to claim 2, characterized in that: The height adjustment locking mechanism includes a servo motor (3), an adjusting screw (16), a connecting beam (19), a follower plate (17), and a first locking handwheel (18); the servo motor (3) is mounted on the bottom support mechanism; the adjusting screw (16) is vertically mounted on the bottom support mechanism and connected to the servo motor (3); the movable column (11) is coaxial with the adjusting screw (16) and threadedly connected to the adjusting screw (16); the servo motor (3) drives the movable column (11) to rotate around the axis of the adjusting screw (16) through the adjusting screw (16); the connecting beam (19) is fitted onto the outside of the movable column (11) and fixedly connected to the movable column (11); the follower plate (17) is placed on the connecting beam. The side of the crossbeam (19); the bottom support mechanism is provided with an opening (24) along the axial direction of the adjusting screw (16); the connecting crossbeam (19) extends out of the opening (24) and moves freely up and down in the opening (24); the width of the follower plate (17) is greater than the width of the opening (24); the bottom support mechanism is provided with a first limiting hole (22); the axial direction of the first limiting hole (22) is perpendicular to the axial direction of the adjusting screw (16); there are multiple first limiting holes (22), and multiple first limiting holes (22) are arranged sequentially from top to bottom on the bottom support mechanism along the axial direction of the adjusting screw (16); the first locking handwheel (18) passes through the follower plate (17) and is inserted into the hole of the first limiting hole (22).

4. The mine support device according to claim 3, characterized in that: The mine support device also includes a circumferential support mechanism located around and connected to the main support mechanism.

5. The mine support device according to claim 4, characterized in that: The circumferential support mechanism includes a support frame (12), a hydraulic support rod (8), a movable support seat (7), an adjustable telescopic rod (15), and a bait block (13); the movable support seat (7) is fitted onto the outside of the movable column (11); the axis of the adjustable telescopic rod (15) is parallel to the axis of the movable column (11); one end of the adjustable telescopic rod (15) is fixedly installed on the bottom support mechanism, and the other end is connected to the movable support seat (7); the adjustable telescopic rod (15) drives the movable support seat (7) to move freely up and down along the axis of the movable column (11); the support frame (12) is movably installed on the periphery of the top plate (10); one end of the hydraulic support rod (8) is installed on the movable support seat (7) through the bait block (13), and the other end is connected to the support frame (12).

6. The mine support device according to claim 5, characterized in that: The support frame (12) is provided with a storage groove (9) along the axial direction of the support frame (12); the structure of the storage groove (9) matches the structure of the hydraulic support rod (8).

7. The mine support device according to claim 6, characterized in that: There are multiple support frames (12), which are evenly distributed around the top plate (10); the number of hydraulic support rods (8) corresponds to the number of support frames (12).

8. The mine support device according to claim 7, characterized in that: The circumferential support mechanism also includes a second locking handwheel (14); a second limiting hole (23) is provided on the side wall of the movable column (11), and the second locking handwheel (14) passes through the movable support seat (7) and is inserted into the second limiting hole (23); the axis of the second limiting hole (23) is perpendicular to the axis of the movable column (11); there are multiple second limiting holes (23), and multiple second limiting holes (23) are arranged sequentially from top to bottom on the movable column (11).

9. The mine support device according to claim 8, characterized in that: The circumferential support mechanism also includes a flexible protective net (20) placed between two adjacent support frames (12) and connected to the two adjacent support frames (12) respectively.

10. The mine support device according to any one of claims 1-9, characterized in that: The bottom support mechanism includes a base (1) and a fixed column (5) vertically arranged on the base (1); a first cavity (4) is provided on the fixed column (5) along the axial direction of the fixed column (5); the height adjustment locking mechanism is placed in the first cavity (4) along the axial direction of the first cavity (4).

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