Support structure of underground coal mine scraper conveyer

Abstract

The utility model belongs to the technical field of support structures, and particularly relates to a support structure of an underground coal mine scraper conveyer, which comprises a support frame, first pin joint seats are arranged on two sides of the support frame, the first pin joint seats are rotatably connected with first universal ball joints, and the other ends of the first universal ball joints are rotatably connected with first adjusting screw rods. The first adjusting screw is in threaded connection with the first screw sleeve, the other end of the first screw sleeve is connected with the second universal ball joint, the other end of the second universal ball joint is connected with the first anchoring rod, rotating shafts are arranged on the front face and the back face of the supporting frame, the other ends of the rotating shafts are connected with the hinge connecting plate, and the hinge connecting plate is hinged to the supporting plate. The front face and the back face of the supporting frame are each provided with a second pin joint seat, the second pin joint seats are rotationally connected with a third universal ball joint, one end of the third universal ball joint is rotationally connected with a second adjusting screw rod, the supporting plate of the device is more flexible in rotation adjusting mode, can rotate along with the terrain to be attached to the ground, and can be suitable for more different terrains underground.

Description

Technical Field

[0001] The utility model belongs to the technical field of support structures, and particularly relates to a support structure for a scraper conveyor underground in a coal mine. Background Technique

[0002] The scraper conveyor underground in a coal mine is a continuous transportation machine, mainly used for the transportation of bulk materials such as coal. It mainly consists of components such as a motor, a hydraulic coupling, a reducer, a sprocket, a scraper chain, and a middle trough. The motor drives the sprocket to rotate through components such as the hydraulic coupling and the reducer, thereby driving the scraper chain to move in the middle trough. When the material enters the scraper conveyor, the scraper chain scrapes the material into the trough and moves at the bottom of the trough until the material is transported to the outlet of the trough. The scraper chain continuously moves in a cycle, continuously transporting the material forward.

[0003] According to the utility model patent with the publication number: CN220115511U - a support structure for a scraper conveyor underground in a coal mine, it increases the support area of the device through a support plate to achieve the effect of stable support, but it has some disadvantages. Its support plate only supports the up - and - down rotation adjustment in a single direction and cannot adapt to more terrains. Content of the Utility Model

[0004] Aiming at the above problems, the purpose of the present utility model is to provide a support structure for a scraper conveyor underground in a coal mine. The rotation adjustment method of the support plate of this device is more flexible, can rotate with the terrain and fit the ground, can be applicable to more different terrains underground. Cooperating with the first anchor rod and the second anchor rod, it can be firmly installed on the underground ground. At the same time, cooperating with the first adjusting screw, the first screw sleeve, the second adjusting screw, and the second screw sleeve, it can play a role in firmly supporting the support frame, effectively improving the support stability for the scraper conveyor.

[0005] To achieve the above object, the present utility model provides the following technical solution: A support structure for a scraper conveyor in a coal mine underground, including a support frame. On both sides of the support frame, there are first pin joints, which are rotationally connected to a first universal ball joint. The other end of the first universal ball joint is rotationally connected to a first adjusting screw rod. The first adjusting screw rod is threadedly connected to a first screw sleeve. The other end of the first screw sleeve is connected to a second universal ball joint. The other end of the second universal ball joint is connected to a first anchoring rod. On the front and back of the support frame, there are rotating shafts. The other end of the rotating shaft is connected to a hinged connecting plate. The hinged connecting plate is hinged to a support plate. On the front and back of the support frame, there are second pin joints, which are rotationally connected to a third universal ball joint. One end of the third universal ball joint is rotationally connected to a second adjusting screw rod. The second adjusting screw rod is threadedly connected to a second screw sleeve. One end of the second screw sleeve is connected to a fourth universal ball joint. The other end of the fourth universal ball joint is connected to the support plate.

[0006] The beneficial effect of the present utility model is that the rotation adjustment method of the support plate of this device is more flexible, can rotate with the terrain and fit with the ground, is applicable to more different terrains underground, and cooperates with the first anchoring rod and the second anchoring rod to be stably installed on the underground ground. At the same time, it can play a role in stably supporting the support frame by cooperating with the first adjusting screw rod, the first screw sleeve, the second adjusting screw rod, and the second screw sleeve, effectively improving the support stability for the scraper conveyor.

[0007] To prevent the first adjusting screw rod and the second adjusting screw rod from rotating and moving towards the bottom of the first screw sleeve and the second screw sleeve:

[0008] As a further improvement of the above technical solution: Through slots are provided through both the side surfaces and the interior of the second screw sleeve. The through slots are penetrated by limit bolts, and one end of the limit bolt is threadedly connected with a nut.

[0009] The beneficial effect of this improvement is that after adjusting the first adjusting screw rod and the second adjusting screw rod, pass the limit bolt through the through slot and connect the limit bolt with the nut. Slide the limit bolt along the through slot so that the limit bolt contacts the first adjusting screw rod and the second adjusting screw rod, and then tighten the nut to fix the limit bolt and the nut on the outside of the second screw sleeve and the first screw sleeve to support the first adjusting screw rod and the second adjusting screw rod, thus preventing the first adjusting screw rod and the second adjusting screw rod from rotating and moving towards the bottom of the first screw sleeve and the second screw sleeve.

[0010] To improve the stability of the fixation between the limit bolt and the first screw sleeve and the second screw sleeve:

[0011] As a further improvement of the above technical solution: The diameter of the limit bolt is the same as the width of the through slot.

[0012] The beneficial effect of this improvement is that the diameter of the limit bolt is the same as the width of the through groove, thereby improving the stability of the fixation between the limit bolt and the first screw sleeve and the second screw sleeve.

[0013] In order to fix the support plate to the ground:

[0014] As a further improvement of the above technical solution: an auxiliary support plate is connected to the side surface of the first anchor rod, and auxiliary anchor nails are provided at the bottom of the auxiliary support plate.

[0015] The beneficial effect of this improvement is that an auxiliary support plate is provided at one end of the first anchor rod away from the support frame. After the first anchor rod completely enters the ground, the auxiliary support plate also contacts the ground, and through the cooperation of the auxiliary anchor nails, the stability of the support of the first anchor rod is improved.

[0016] In order to fix the support plate to the ground:

[0017] As a further improvement of the above technical solution: an anchor rod through hole is provided through the top and bottom surfaces of the first screw sleeve and the support plate, and a second anchor rod is inserted and installed on the anchor rod through hole.

[0018] The beneficial effect of this improvement is that after the adjustment of the support plate is completed, the second anchor rod can be driven into the ground through the anchor rod through hole to fix the support plate to the ground.

[0019] Parts not involved in this device are the same as the prior art or can be implemented using the prior art. Brief Description of the Drawings

[0020] Figure 1 It is a left-front axonometric structure schematic diagram of the present utility model;

[0021] Figure 2 It is a bottom schematic diagram of the present utility model;

[0022] Figure 3 It is a left-side structure schematic diagram of the present utility model;

[0023] Figure 4 It is a partial left-front axonometric schematic diagram of the present utility model;

[0024] Figure 5 It is a partial side overlooking structure schematic diagram of the present utility model;

[0025] Figure 6 It is an enlarged structure schematic diagram of part A of the present utility model;

[0026] In the figure: 1. Support frame; 2. First pin joint seat; 3. First universal ball joint; 4. First adjusting screw; 5. First screw sleeve; 6. Second universal ball joint; 7. First anchoring rod; 8. Auxiliary support plate; 9. Auxiliary anchor bolt; 10. Rotating shaft; 11. Support plate; 12. Second pin joint seat; 13. Third universal ball joint; 14. Second adjusting screw; 15. Second screw sleeve; 16. Fourth universal ball joint; 17. Through groove; 18. Limit bolt; 19. Nut; 20. Bolt perforation; 21. Second anchoring rod; 22. Hinge connecting plate. Detailed implementation mode

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present invention.

[0028] As Figure 1-6 shown, a support structure of a scraper conveyor in a coal mine underground includes a support frame 1. First pin joint seats 2 are provided on both sides of the support frame 1. The first pin joint seat 2 is rotatably connected to a first universal ball joint 3. The other end of the first universal ball joint 3 is rotatably connected to a first adjusting screw 4. The first adjusting screw 4 is threadedly connected to a first screw sleeve 5. The other end of the first screw sleeve 5 is connected to a second universal ball joint 6. The other end of the second universal ball joint 6 is connected to a first anchoring rod 7. Rotating shafts 10 are provided on the front and back of the support frame 1. The other end of the rotating shaft 10 is connected to a hinge connecting plate 22. The hinge connecting plate 22 is hinged to a support plate 11. Second pin joint seats 12 are provided on the front and back of the support frame 1. The second pin joint seat 12 is rotatably connected to a third universal ball joint 13. One end of the third universal ball joint 13 is rotatably connected to a second adjusting screw 14. The second adjusting screw 14 is threadedly connected to a second screw sleeve 15. One end of the second screw sleeve 15 is connected to a fourth universal ball joint 16. The other end of the fourth universal ball joint 16 is connected to the support plate 11.

[0029] The rotation adjustment method of the support plate 11 of this device is more flexible, can rotate with the terrain and fit the ground, is applicable to more different terrains underground, and can be stably installed on the underground ground in cooperation with the first anchoring rod 7 and the second anchoring rod 21. At the same time, in cooperation with the first adjusting screw 4, the first screw sleeve 5, the second adjusting screw 14, and the second screw sleeve 15, it can play a role in stably supporting the support frame 1, effectively improving the support stability of the scraper conveyor.

[0030] Through grooves 17 are provided through both side surfaces and the interior of the second screw sleeve 15. The through grooves 17 are penetrated by limit bolts 18. One end of the limit bolt 18 is threadedly connected with a nut 19.

[0031] After adjusting the first adjusting screw rod 4 and the second adjusting screw rod 14, pass the limit bolt 18 through the through groove 17 and connect the limit bolt 18 with the nut 19. Slide the limit bolt 18 along the through groove 17 until the limit bolt 18 contacts the first adjusting screw rod 4 and the second adjusting screw rod 14, and then tighten the nut 19 to fix the limit bolt 18 and the nut 19 on the outer sides of the second screw sleeve 15 and the first screw sleeve 5 to support the first adjusting screw rod 4 and the second adjusting screw rod 14, so as to prevent the first adjusting screw rod 4 and the second adjusting screw rod 14 from rotating and moving towards the bottoms of the first screw sleeve 5 and the second screw sleeve 15.

[0032] The diameter of the limit bolt 18 is the same as the width of the through groove 17.

[0033] The diameter of the limit bolt 18 is the same as the width of the through groove 17, thereby improving the fixing stability between the limit bolt 18 and the first screw sleeve 5 and the second screw sleeve 15.

[0034] An auxiliary support plate 8 is connected to the side surface of the first anchoring rod 7, and an auxiliary anchor 9 is provided at the bottom of the auxiliary support plate 8.

[0035] An auxiliary support plate 8 is provided at one end of the first anchoring rod 7 away from the support frame 1. After the first anchoring rod 7 completely enters the ground, the auxiliary support plate 8 also contacts the ground, and the supporting stability of the first anchoring rod 7 is improved through the cooperation of the auxiliary anchor 9.

[0036] An anchor rod through hole 20 is provided through the top surface and the bottom surface of the first screw sleeve 5 and the support plate 11, and a second anchoring rod 21 is inserted and installed on the anchor rod through hole 20.

[0037] After adjusting the support plate 11, the second anchoring rod 21 can be driven into the ground through the anchor rod through hole 20 to fix the support plate 11 to the ground.

[0038] Working principle and usage process of the utility model: Since the support frame 1 and the articulated connecting plate 22 are rotatably connected through a rotating shaft 10, and the articulated connecting plate 22 and the support plate 11 are articulated, the support plate 11 can be rotationally adjusted according to the terrain, and the included angle between the support plate 11 and the support frame 1 can also be adjusted. During the adjustment, according to the terrain condition of the installation position of the support frame 1, the length of the second adjusting screw 14 extending from the second screw sleeve 15 is adjusted through the threaded transmission between the second adjusting screw 14 and the second screw sleeve 15, so as to adjust the overall length of the second adjusting screw 14 and the second screw sleeve 15. By adjusting the second adjusting screw 14 and in cooperation with the settings of the second pin joint seat 12, the third universal joint 13, and the fourth universal joint 16, the support rod composed of the second adjusting screw 14 and the second screw sleeve 15 can rotate with both the support frame 1 and the support plate 11. By separately adjusting the extending lengths of the two groups of second adjusting screws 14, the included angle between the support plate 11 and the support frame 1 and the rotation angle of the support plate 11 through the rotating shaft 10 can be adjusted, so that the support plate 11 can be adjusted according to the terrain, fit with the ground, and can firmly support and fix the support frame 1. After the adjustment of the support plate 11 is completed, the second anchor rod 21 can be driven into the ground through the anchor rod perforation 20 to fix the support plate 11 to the ground. Subsequently, the first adjusting screw 4 can be rotated to adjust the overall length of the first adjusting screw 4 and the first screw sleeve 5, and the angle of the support rod composed of the first adjusting screw 4 and the first screw sleeve 5 can be adjusted through the first pin joint seat 2, the first universal joint 3, and the second universal joint 6. The first anchor rod 7 is driven into the ground, and an auxiliary support plate 8 is also provided at one end of the first anchor rod 7 away from the support frame 1. After the first anchor rod 7 completely enters the ground, the auxiliary support plate 8 also contacts the ground, and the stability of the support of the first anchor rod 7 is improved through the cooperation of the auxiliary anchor pins 9. Through the setting of the support rod composed of the first adjusting screw 4 and the first screw sleeve 5 and in cooperation with the first anchor rod 7, the left and right sides of the support frame 1 are assisted in supporting and strengthening. Similarly, the left and right two groups of first adjusting screws 4, first screw sleeves 5, and first anchor rods 7 can also be adjusted separately, which can be applicable to different terrains. After the adjustment is completed, the limit bolt 18 is passed through the through slot 17, and the limit bolt 18 is connected to the nut 19.After sliding the limit bolt 18 along the through slot 17 so that the limit bolt 18 contacts the first adjusting screw 4 and the second adjusting screw 14, tighten the nut 19 to fix the limit bolt 18 and the nut 19 on the outer sides of the second screw sleeve 15 and the first screw sleeve 5, and support the first adjusting screw 4 and the second adjusting screw 14. In this way, it can prevent the first adjusting screw 4 and the second adjusting screw 14 from rotating and moving towards the bottoms of the first screw sleeve 5 and the second screw sleeve 15. The front and rear sides of the support frame 1 are provided with independent second adjusting screws 14 and second screw sleeves 15, and the left and right sides of the support frame 1 are both provided with independent first adjusting screws 4 and first screw sleeves 5, which restrain each other and strengthen the self-locking function of the screw. Coupled with the limit insurance of the limit bolt 18, the support frame 1 can be stably supported. To sum up, the rotation adjustment method of the support plate 11 of the present device is more flexible, can rotate with the terrain and fit the ground, is applicable to more different terrains in the mine, and can be stably installed on the underground ground in cooperation with the first anchor rod 7 and the second anchor rod 21. At the same time, in cooperation with the first adjusting screw 4, the first screw sleeve 5, the second adjusting screw 14, and the second screw sleeve 15, it can play a role in stably supporting the support frame 1, effectively improving the support stability for the scraper conveyor.

[0039] The circuits, electronic components and modules involved are all prior arts and can be fully realized by those skilled in the art without further elaboration. The content protected by this application does not involve improvements to software and methods either.

[0040] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0041] In this article, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above examples is only used to help understand the method and its core idea of the present utility model. The above is only the preferred implementation manner of the present utility model. It should be noted that due to the limitation of literal expression, objectively there are infinite specific structures. For those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements, modifications or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, modifications, changes or combinations, or directly applying the concept and technical solution of the utility model to other occasions without improvement, should all be regarded as the protection scope of the present utility model.

Claims

1. A support structure for a scraper conveyor in a coal mine, characterized in that: It includes a support frame (1). On both sides of the support frame (1), there are first pin joints (2). The first pin joints (2) are rotatably connected to first universal ball joints (3). The other end of the first universal ball joints (3) is rotatably connected to first adjusting screws (4). The first adjusting screws (4) are threadedly connected to first screw sleeves (5). The other end of the first screw sleeves (5) is connected to second universal ball joints (6). The other end of the second universal ball joints (6) is connected to first anchoring rods (7). On the front and back of the support frame (1), there are rotating shafts (10). The other end of the rotating shafts (10) is connected to articulated connecting plates (22). The articulated connecting plates (22) are articulated with support plates (11). On the front and back of the support frame (1), there are second pin joints (12). The second pin joints (12) are rotatably connected to third universal ball joints (13). One end of the third universal ball joints (13) is rotatably connected to second adjusting screws (14). The second adjusting screws (14) are threadedly connected to second screw sleeves (15). One end of the second screw sleeves (15) is connected to fourth universal ball joints (16). The other end of the fourth universal ball joints (16) is connected to the support plates (11).

2. The support structure of a scraper conveyor in a coal mine according to claim 1, characterized in that: Through slots (17) are provided through both the side surfaces and the interior of the second screw sleeves (15). The through slots (17) are penetrated by limit bolts (18). One end of the limit bolts (18) is threadedly connected with nuts (19).

3. The support structure of a scraper conveyor in a coal mine according to claim 2, characterized in that: The diameter of the limit bolts (18) is the same as the width of the through slots (17).

4. The support structure of a scraper conveyor in a coal mine according to claim 1, wherein: An auxiliary support plate (8) is connected to the side surface of the first anchoring rod (7). An auxiliary anchor (9) is provided at the bottom of the auxiliary support plate (8).

5. The support structure of a scraper conveyor in a coal mine according to claim 1, characterized in that: An anchor rod through hole (20) is provided through the top and bottom surfaces of the first screw sleeve (5) and the support plate (11). A second anchoring rod (21) is inserted and installed in the anchor rod through hole (20).

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