Blast hole plugging device

Abstract

The utility model relates to the technical field of blasting, and discloses a blasthole plugging device which comprises a threaded column, the top of the threaded column is in threaded connection with a connecting plate, the bottom of the connecting plate is fixedly connected with a rotating plate, a fixing groove is formed in the outer portion of the rotating plate, and the inner wall of the fixing groove is rotationally connected with a lantern ring. A plurality of first connecting shafts are rotationally connected to the outer portion of the lantern ring, the other ends of the first connecting shafts are rotationally connected with abutting plates, the bottom of the threaded column is fixedly connected with an ejector head, an adjusting assembly is arranged outside the threaded column, and a limiting assembly is arranged inside the threaded column. According to the device, the opening size of the abutting plate can be changed, so that the device can adapt to blast holes of different sizes, the sealing performance of the device is guaranteed, the clamping plate and the clamping groove can be clamped again after the clamping groove and the clamping plate are separated and then rotated by a half circle, the rotating plate can be fixed, and the rotating plate is prevented from rotating when adjustment is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of blasting, in particular to a blasting hole blocking device. Background Art

[0002] A blast hole plugging device is a device used to plug blast holes, usually used in mining, tunnel construction or other occasions where blasting operations are required. These devices can ensure that the blast holes remain closed before and after blasting, prevent the leakage of explosives or rock cuttings, and ensure the safety of operations. This device has important application value in industries such as mining and tunnel construction.

[0003] After searching, the Chinese patent document with the announcement number CN220454426U discloses a blast hole plugging device, including a plug and a series of iron chains, the plug is cylindrical, the side of the plug is provided with anti-skid ridges, the tail end of the plug is connected with a fixed flange, the diameter of the fixed flange is larger than the diameter of the plug, the center of the fixed flange is also provided with a raised knocking part, the fixed flange is also provided with a fixed ring near the side; the plug is connected to the series of iron chains through the fixed ring. The beneficial effects of the above technical scheme are: the plug can be used to plug the blast hole, the anti-skid ridges can increase the friction between the plug and the inner wall of the blast hole, making the plug more firm, and multiple plugs can be connected together by the series of iron chains, which is convenient for later recovery.

[0004] The beneficial effects of the above patent specification mentions that "the sealing plug 100 can seal the blasting hole, and the anti-slip ridge 101 can increase the friction between the sealing plug 100 and the inner wall of the blasting hole, making the sealing plug 100 more secure. A plurality of sealing plugs 100 can be connected together by connecting the iron chain 400 in series, which is convenient for later recovery. Furthermore, a lock buckle is provided on the fixing ring 210, and the fixing ring 210 is detachably connected to the serial chain 400 through the lock buckle." Although the above patent can use the serial chain to connect a plurality of sealing plugs together for easy installation and disassembly, the sizes of the blasting holes are different during use, and the size of the sealing plug is adjusted differently, and it is impossible to adapt to different sizes of blasting holes and thus the sealing performance during sealing cannot be guaranteed. Therefore, a blasting hole sealing device is proposed to solve the above problem. Summary of the invention

[0005] In order to make up for the above shortcomings, the utility model provides a blasting hole plugging device, which aims to improve the problem in the prior art that the sizes of the blasting holes are different during use, the sizes of the sealing plugs are adjusted differently, and the sealing performance during plugging cannot be guaranteed due to the inability to adapt to different blasting hole sizes.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A blast hole plugging device, comprising a threaded column, the top of the threaded column is threadedly connected to a connecting plate, the bottom of the connecting plate is fixedly connected to a rotating plate, a fixing groove is provided on the outside of the rotating plate, a collar is rotatably connected to the inner wall of the fixing groove, a plurality of connecting shafts are rotatably connected to the outside of the collar, the other end of the connecting shaft is rotatably connected to a butt plate, a top head is fixedly connected to the bottom of the threaded column, an adjusting component is arranged on the outside of the threaded column, and a limiting component is arranged on the inside of the threaded column;

[0008] As a further description of the above technical solution:

[0009] The adjustment assembly includes a plurality of connecting shafts 2, one end of each connecting shaft 2 is connected to one side of the inner part of the abutment plate, a sleeve is slidably connected to the outer part of the threaded column, the other end of each connecting shaft 2 is rotatably connected to the outer part of the top end of the sleeve, the bottom of the sleeve is rotatably connected to a rotating shaft, and the other end of the rotating shaft is rotatably connected to the inner part of the abutment plate;

[0010] As a further description of the above technical solution:

[0011] A placement groove is provided inside the threaded column, a spring is arranged inside the placement groove, an inner wall of the placement groove is slidably connected to a limit rod, and a rotating block is rotatably connected to the top of the limit rod;

[0012] As a further description of the above technical solution:

[0013] The limiting assembly includes a limiting groove, which is provided on the outside of the rotating block, the external thread of the threaded column is connected with a fixing ring, the top and rear sides of the fixing ring are fixedly connected with a clamping plate, and the bottom and rear sides of the connecting plate are provided with a clamping groove;

[0014] As a further description of the above technical solution:

[0015] One end of the spring is fixedly connected to the inner wall of the bottom end of the placement groove, and the other end of the spring is fixedly connected to the bottom of the limiting rod;

[0016] As a further description of the above technical solution:

[0017] The outer portion of the limiting rod is slidably connected to the inner wall of the limiting groove, and the outer portion of the clamping plate is clamped with the inner wall of the clamping groove;

[0018] As a further description of the above technical solution:

[0019] The outer portion of the rotating block is rotatably connected to the inner wall of the placement groove, and the top of the rotating block is rotatably connected to the inner through hole of the connecting plate;

[0020] As a further description of the above technical solution:

[0021] The left and right sides of the bottom of the rotating plate are fixedly connected with connecting rods, and the four corners of the bottom of the connecting rods are threadedly connected with bolts.

[0022] The utility model has the following beneficial effects:

[0023] In the utility model, the rotating plate is driven to rotate by rotating the connecting plate. At this time, the rotating plate will rotate along the thread outside the threaded column. At the same time, the rotating plate will drive the external sleeve ring to rotate, thereby changing the opening size of the abutment plate, thereby being able to adapt to blasting holes of different sizes to ensure their sealing.

[0024] In the utility model, by pressing the rotating block, the rotating block moves downward to compress the spring, and at the same time the limiting rod moves along the inner wall of the limiting groove to limit the rotating block, so that the slot and the card plate can be separated and then rotated. After half a circle, the card plate and the slot are engaged again, and the rotating plate can be fixed to prevent the rotating plate from rotating when adjustment is not needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a blast hole plugging device proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a backing plate of a blast hole plugging device proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a rotating plate of a blast hole plugging device proposed by the utility model;

[0028] Figure 4 The utility model is a schematic diagram of the structure of a rotating block of a blast hole plugging device.

[0029] Legend:

[0030] 1. Threaded column; 2. Connecting plate; 3. Rotating plate; 4. Fixed groove; 5. Sleeve; 6. Connecting shaft 1; 7. Abutment plate; 8. Connecting shaft 2; 9. Sleeve; 10. Rotating shaft; 11. Head; 12. Placement groove; 13. Spring; 14. Limit rod; 15. Rotating block; 16. Limit groove; 17. Fixed ring; 18. Clamp plate; 19. Clamp groove; 20. Connecting rod; 21. Bolt. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-Figure 2 The utility model provides an embodiment: a blasting hole plugging device, including a threaded column 1, firstly, the threaded column 1 is placed in a suitable position, the bottom of the threaded column 1 is fixedly connected with a top head 11, then the top head 11 is inserted into the inside of the blasting hole, the top of the threaded column 1 is threadedly connected with a connecting plate 2, then the connecting plate 2 is rotated according to the diameter of the blasting hole, the bottom of the connecting plate 2 is fixedly connected with a rotating plate 3, at this time, the connecting plate 2 will drive the rotating plate 3 at the bottom to move, the outside of the rotating plate 3 is provided with a fixed groove 4, the inner wall of the fixed groove 4 is rotatably connected with a collar 5, the rotating plate 3 moves downward during the rotation process and drives the collar 5 to rotate, the outside of the collar 5 is rotatably connected with a plurality of connecting shafts 6, the other end of the connecting shaft 6 is rotatably connected with a push plate 7, at this time, the rotating plate 3 will squeeze the connecting shaft 6.

[0033] An adjustment component is arranged on the outside of the threaded column 1, and the adjustment component includes a plurality of connecting shafts 8. The connecting shaft 1 6 is pushed by force to expand the connecting shaft 2 8 outward, and one end of the connecting shaft 2 8 is connected to the inner side of the plate 7. The outer side of the threaded column 1 is slidably connected with a sleeve 9. At the same time, the connecting shaft 1 6 and the connecting shaft 2 8 push the sleeve 9 to move downward, and the other end of the connecting shaft 2 8 is rotatably connected to the top outer side of the sleeve 9. At this time, the plate 7 is forced to expand outward. When the bottom of the sleeve 9 contacts the top of the head 11, the bottom of the sleeve 9 is rotatably connected with a rotating shaft 10, and the other end of the rotating shaft 10 is rotatably connected to the inside of the plate 7. The rotating shaft 10 at the bottom of the sleeve 9 will also push the plate 7 to expand outward, so that the threaded column 1 fits the inside of the blasting hole, and can change the opening size of the plate 7, so as to adapt to blasting holes of different sizes to ensure its sealing.

[0034] Reference Figure 3-Figure 4A placement groove 12 is provided inside the threaded column 1, and a spring 13 is provided inside the placement groove 12. The spring 13 is compressed inside the placement groove 12 under force, and the inner wall of the placement groove 12 is slidably connected to the limit rod 14. The top of the limit rod 14 is rotatably connected to a rotating block 15. The rotating block 15 is pressed, and the top of the rotating block 15 is rotatably connected to the internal through hole of the connecting plate 2. One end of the spring 13 is fixedly connected to the inner wall of the bottom end of the placement groove 12, and the other end of the spring 13 is fixedly connected to the bottom of the limit rod 14. The outside of the rotating block 15 is rotatably connected to the inner wall of the placement groove 12. A limiting assembly is provided inside the threaded column 1, and the limiting assembly includes a limiting groove 16. The outside of the limit rod 14 is slidably connected to the inner wall of the limiting groove 16. The limiting groove 16 is provided on the outside of the rotating block 15. When the rotating block 15 moves, the external limiting groove 16 will slide on the outside of the limiting rod 14.

[0035] The limiting rod 14 can limit the limiting groove 16, and the limiting rod 14 will move downward along the trajectory of the limiting groove 16, and the external thread of the threaded column 1 is connected with a fixing ring 17, and the front and rear sides of the top of the fixing ring 17 are fixedly connected with a clamping plate 18, and the front and rear sides of the bottom of the connecting plate 2 are provided with a clamping groove 19, and the outer side of the clamping plate 18 is engaged with the inner wall of the clamping groove 19, and then the clamping groove 19 is rotated to engage with the outer side of the clamping plate 18, so that the connecting plate 2 can be limited to prevent accidental touch and rotation, and the left and right sides of the bottom of the rotating plate 3 are fixedly connected with connecting rods 20, and the bottom four corners of the connecting rod 20 are threadedly connected with bolts 21, and then the connecting rod 20 is fixed to the wall by using the bolts 21, so that the clamping groove 19 can be separated from the clamping plate 18 and then rotated. After half a circle, the clamping plate 18 and the clamping groove 19 are engaged again, which can fix the rotating plate 3 to prevent the rotating plate 3 from rotating when no adjustment is required.

[0036] Working principle: first place the threaded column 1 to a suitable position, then insert the top head 11 into the blasting hole, and then rotate the connecting plate 2 according to the diameter of the blasting hole. At this time, the connecting plate 2 will drive the rotating plate 3 at the bottom to move. The rotating plate 3 moves downward during the rotation and drives the ring 5 to rotate. At this time, the rotating plate 3 will squeeze the connecting shaft 6, and the connecting shaft 6 will be forced to push the connecting shaft 8 to expand outward. At the same time, the connecting shaft 1 6 and the connecting shaft 2 8 push the sleeve 9 to move downward. At this time, the abutment plate 7 is forced to expand outward. When the bottom of the sleeve 9 contacts the top of the top head 11, the rotating shaft 10 at the bottom of the sleeve 9 will also push the abutment plate 7 to expand outward, so that the threaded column 1 fits the inside of the blasting hole.

[0037] Then, the rotating block 15 is pressed. When the rotating block 15 moves, the external limiting groove 16 will slide on the outside of the limiting rod 14. The limiting rod 14 can limit the limiting groove 16. At the same time, the limiting rod 14 will move downward along the trajectory of the limiting groove 16. The spring 13 is compressed inside the placement groove 12. Then, the card slot 19 is turned to engage with the outside of the card plate 18, which can limit the connecting plate 2 to prevent accidental rotation. Then, the connecting rod 20 is fixed to the wall with the bolt 21.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blast hole plugging device, comprising a threaded column (1), characterized in that: The top of the threaded column (1) is threadedly connected to a connecting plate (2), the bottom of the connecting plate (2) is fixedly connected to a rotating plate (3), the outside of the rotating plate (3) is provided with a fixing groove (4), the inner wall of the fixing groove (4) is rotatably connected to a collar (5), the outside of the collar (5) is rotatably connected to a plurality of connecting shafts (6), the other end of each connecting shaft (6) is rotatably connected to a stop plate (7), the bottom of the threaded column (1) is fixedly connected to a top head (11), the outside of the threaded column (1) is provided with an adjustment component, and the inside of the threaded column (1) is provided with a limit position component.

2. A blast hole plugging device according to claim 1, characterized in that: The adjustment assembly comprises a plurality of connecting shafts (8), one end of each connecting shaft (8) being connected to one side of the interior of the support plate (7), a sleeve (9) being slidably connected to the exterior of the threaded column (1), the other end of each connecting shaft (8) being rotatably connected to the exterior of the top end of the sleeve (9), the bottom of the sleeve (9) being rotatably connected to a rotating shaft (10), and the other end of the rotating shaft (10) being rotatably connected to the interior of the support plate (7).

3. A blast hole plugging device according to claim 1, characterized in that: A placement groove (12) is provided inside the threaded column (1), a spring (13) is arranged inside the placement groove (12), the inner wall of the placement groove (12) is slidably connected to a limit rod (14), and the top of the limit rod (14) is rotatably connected to a rotating block (15).

4. A blast hole plugging device according to claim 3, characterized in that: The limiting assembly comprises a limiting groove (16), wherein the limiting groove (16) is provided on the outside of the rotating block (15), the external thread of the threaded column (1) is connected to a fixing ring (17), the top front and rear sides of the fixing ring (17) are fixedly connected to a clamping plate (18), and the bottom front and rear sides of the connecting plate (2) are provided with a clamping groove (19).

5. The blast hole plugging device according to claim 3, characterized in that: One end of the spring (13) is fixedly connected to the inner wall of the bottom end of the placement groove (12), and the other end of the spring (13) is fixedly connected to the bottom of the limiting rod (14).

6. A blast hole plugging device according to claim 4, characterized in that: The outside of the limiting rod (14) is slidably connected to the inner wall of the limiting groove (16), and the outside of the clamping plate (18) is clamped with the inner wall of the clamping groove (19).

7. The blast hole plugging device according to claim 3, characterized in that: The outside of the rotating block (15) is rotatably connected to the inner wall of the placement groove (12), and the top of the rotating block (15) is rotatably connected to the internal through hole of the connecting plate (2).

8. The blast hole plugging device according to claim 1, characterized in that: Connecting rods (20) are fixedly connected to both left and right sides of the bottom of the rotating plate (3), and bolts (21) are threadedly connected to the four corners of the bottom of the connecting rod (20).

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