Blasthole plugging device for mine blasting

Abstract

The utility model relates to the technical field of mine exploitation, and discloses a shot hole plugging device for mine blasting exploitation, the top of a plugging device main body is fixedly communicated with a connecting pipe, one side of the plugging device main body is fixedly communicated with a grouting pipe, the grouting pipe is provided with a material guiding mechanism, a displacement mechanism is further installed between a first vertical rod and a second vertical rod, and the displacement mechanism is provided with a material guiding mechanism. The displacement mechanism comprises a servo motor, a transmission shaft and first supports, the servo motor is fixedly connected to the second vertical rod, the driving end of the servo motor penetrates through the second vertical rod and is fixedly connected with the transmission shaft, the two first supports are fixedly connected to the bottom of the transmission shaft, second supports are hinged to the bottom ends of the first supports, and fastening plates are hinged to the bottom ends of the second supports. And one end of the fastening plate is fixedly connected with a guide frame. The displacement mechanism can drive the plugging device body and the plugging head to move up and down, the plugging head can be conveniently pushed into the blasting shot hole for plugging, compared with traditional handheld taking, more time and labor are saved during operation, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mine exploitation, in particular to a blast hole plugging device for mine blasting. Background Technique

[0002] At present, when coal mining is carried out in the coal mine field, gunpowder is often used to blast the ore body. After drilling into the ore body to a certain depth, the gunpowder is stuffed into the blast hole. In order to improve the blasting quality and efficiency, the method of stuffing foam mud or other substances at the outer end of the blast hole is adopted to increase the blasting resistance at the hole opening, so that the compressed energy accumulates in the blast hole, improve the impact force of the shock wave, and prevent part of the high-pressure explosion-generated gas from spraying out of the blast hole.

[0003] The Chinese patent discloses a blast hole plugging device for metal mines (the authorization announcement number is: CN220689932U). The device is lifted by holding the handle, and then the plugging head is extended into the blast hole. At this time, the vacuum pump is controlled by the controller to work, and the external gas is pumped into the airbag, so that the airbag expands and squeezes the inner wall of the blast hole. After forming a support and fixation, the sealing valve is closed to squeeze and block the blast hole outlet. However, since the above plugging device contains more electrical equipment, its own weight is relatively large. When in use, not only manual lifting of the plugging device is required, but also manual removal of the plugging device is required after use, which will inevitably be time-consuming and laborious, and the working intensity is relatively large. Content of the Utility Model

[0004] The purpose of the utility model is to provide a blast hole plugging device for mine blasting to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A blast hole plugging device for mine blasting, including a cross bar, both ends of the cross bar are fixedly connected with a first vertical bar and a second vertical bar respectively. The bottom ends of the first vertical bar and the second vertical bar are both fixedly connected with a support plate. A plugging device main body is installed between the first vertical bar and the second vertical bar. The top of the plugging device main body is fixedly communicated with a connecting pipe, and one side of the plugging device main body is fixedly communicated with a grouting pipe. The bottom of the plugging device main body is fixedly communicated with a plugging head. A material guiding mechanism is installed on the grouting pipe. A displacement mechanism is also installed between the first vertical bar and the second vertical bar. The displacement mechanism includes a servo motor, a transmission shaft and a first bracket. The servo motor is fixedly connected to the second vertical bar, and the driving end of the servo motor penetrates through the second vertical bar and is fixedly connected with the transmission shaft. Two first brackets are fixedly connected to the bottom of the transmission shaft. The bottom end of the first bracket is hinged with a second bracket, the bottom end of the second bracket is hinged with a fastening plate, and one end of the fastening plate is fixedly connected with a guiding frame.

[0006] Optionally, one end of the transmission shaft is rotatably connected to the first vertical bar through a bearing, and the lengths of the first bracket and the second bracket are equal.

[0007] Optionally, the first bracket, the second bracket, the fastening plate and the guiding frame are symmetrically distributed with respect to the central axis of the cross bar, and the fastening plate is fixedly connected to the top of the plugging device body.

[0008] Optionally, the guiding frame is slidably sleeved outside the second vertical rod, and the guiding frame is in a "return" shape structure.

[0009] Optionally, the material guiding mechanism includes a mounting frame, an adjusting rod, a scraping disc and a fixing block. The mounting frame is hinged to the grouting pipe, and the adjusting rod is inserted into the mounting frame. The scraping disc and the fixing block are fixedly connected to both ends of the adjusting rod respectively.

[0010] Optionally, the diameter of the scraping disc is smaller than the diameter of the grouting pipe, and the mounting frame and the adjusting rod are slidably connected.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The displacement mechanism can drive the plugging device body and the plugging head to move up and down, facilitating the pushing of the plugging head into the blasting hole for plugging. Compared with the traditional hand-held method, the operation is more time-saving and labor-saving, reducing the working intensity.

[0013] 2. The material guiding mechanism can extrude the plugging filler entering the grouting pipe, preventing the plugging filler from accumulating too much on the inner wall of the grouting pipe, thus causing waste, reducing the use cost, and facilitating the pushing of the remaining plugging filler in the grouting pipe into the blasting hole for plugging use. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the overall structure of a hole plugging device for mine blasting adopted by the present utility model;

[0015] Figure 2 is a schematic diagram of the structure of the displacement mechanism in a hole plugging device for mine blasting adopted by the present utility model;

[0016] Figure 3 is a schematic diagram of the structure of the material guiding mechanism in a hole plugging device for mine blasting adopted by the present utility model.

[0017] In the figure: 1, cross bar; 2, first vertical rod; 3, second vertical rod; 4, support plate; 5, plugging device body; 51, connecting pipe; 52, grouting pipe; 53, plugging head; 6, material guiding mechanism; 61, mounting frame; 62, adjusting rod; 63, scraping disc; 64, fixing block; 7, displacement mechanism; 71, servo motor; 72, transmission shaft; 73, first bracket; 74, second bracket; 75, fastening plate; 76, guiding frame. Detailed Embodiments

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1 to 3 , the present utility model provides a blast hole plugging device for mine blasting, which includes a cross bar 1. First vertical bars 2 and second vertical bars 3 are fixedly connected to both ends of the cross bar 1 respectively. Support plates 4 are fixedly connected to the bottom ends of the first vertical bar 2 and the second vertical bar 3. A plugging device main body 5 is installed between the first vertical bar 2 and the second vertical bar 3. A connecting pipe 51 is fixedly connected to the top of the plugging device main body 5, and a grouting pipe 52 is fixedly connected to one side of the plugging device main body 5. A plugging head 53 is fixedly connected to the bottom of the plugging device main body 5. A material guiding mechanism 6 is installed on the grouting pipe 52. The material guiding mechanism 6 includes a mounting frame 61, an adjusting rod 62, a scraping disc 63 and a fixing block 64. The mounting frame 61 is hinged on the grouting pipe 52, and the adjusting rod 62 is inserted into the interior of the mounting frame 61. The scraping disc 63 and the fixing block 64 are fixedly connected to both ends of the adjusting rod 62 respectively. The diameter of the scraping disc 63 is smaller than the diameter of the grouting pipe 52. The mounting frame 61 and the adjusting rod 62 are slidably connected. The material guiding mechanism 6 can extrude the plugging filler entering the grouting pipe 52, prevent the plugging filler from accumulating too much on the inner wall of the grouting pipe 52, cause waste, reduce the use cost, and facilitate pushing the residual plugging filler in the grouting pipe 52 into the blasting hole for plugging use.

[0020] A displacement mechanism 7 is also installed between the first vertical bar 2 and the second vertical bar 3. The displacement mechanism 7 includes a servo motor 71, a transmission shaft 72 and a first bracket 73. The servo motor 71 is fixedly connected to the second vertical bar 3, and the driving end of the servo motor 71 penetrates through the second vertical bar 3 and is fixedly connected to the transmission shaft 72. Two first brackets 73 are fixedly connected to the bottom of the transmission shaft 72. The bottom end of the first bracket 73 is hinged to a second bracket 74. The bottom end of the second bracket 74 is hinged to a fastening plate 75. One end of the fastening plate 75 is fixedly connected to a guiding frame 76. One end of the transmission shaft 72 is rotatably connected to the first vertical bar 2 through a bearing. The lengths of the first bracket 73 and the second bracket 74 are equal. The first bracket 73, the second bracket 74, the fastening plate 75 and the guiding frame 76 are all symmetrically distributed with the central axis of the cross bar 1 as the reference. The fastening plate 75 is fixedly connected to the top of the plugging device main body 5. The guiding frame 76 is slidably sleeved outside the second vertical bar 3, and the guiding frame 76 is of a "return" - shaped structure. The displacement mechanism 7 can drive the plugging device main body 5 and the plugging head 53 to move up and down, facilitating pushing the plugging head 53 into the blasting hole for plugging. Compared with the traditional hand - held taking, the operation is more time - saving and labor - saving, and the working intensity is reduced.

[0021] Among them, the model of the servo motor 71 is ACSM110-G04030LZ.

[0022] Working principle: When using this device, move the device to the ideal area, then connect the connecting pipe 51 with the external pump pressure pipe, and connect the grouting pipe 52 with the plugging filler to form a transportation. Then control the servo motor 71 to reverse. At this time, it can drive the transmission shaft 72 and the first bracket 73 to reverse. After the first bracket 73 reverses, it can drive the second bracket 74 to move, and further drive the fastening plate 75 and the plugging device main body 5 to move downward, so as to facilitate moving the plugging head 53 into the blast hole. At this time, under the action of external pump pressure, the plugging filler can be transported from the plugging head 53 to the blast hole for plugging. Then hold the mounting frame 61 and turn it upward. When the scraping disc 63 is facing the grouting pipe 52, hold the fixed block 64 and make it extend and retract. At this time, it can drive the adjusting rod 62 and the scraping disc 63 to extend and retract, so as to facilitate squeezing the plugging filler entering the grouting pipe 52, preventing the plugging filler from accumulating too much on the inner wall of the grouting pipe 52, causing waste, reducing the use cost, and facilitating pushing the remaining plugging filler in the grouting pipe 52 into the blasting blast hole for plugging use. When the plugging is completed, control the servo motor 71 to rotate forward. At this time, it can drive the transmission shaft 72 and the first bracket 73 to rotate forward. After the first bracket 73 rotates forward, it can drive the second bracket 74 to move, and further drive the fastening plate 75 and the plugging device main body 5 to move upward, so as to facilitate removing the plugging head 53 from the blast hole.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast hole plugging device for mine blasting, comprising a cross bar (1), characterized in that, Both ends of the cross bar (1) are fixedly connected with a first vertical bar (2) and a second vertical bar (3) respectively. Support plates (4) are fixedly connected to the bottoms of the first vertical bar (2) and the second vertical bar (3). A main plugging device body (5) is installed between the first vertical bar (2) and the second vertical bar (3). A connecting pipe (51) is fixedly communicated with the top of the main plugging device body (5), and a grouting pipe (52) is fixedly communicated with one side of the main plugging device body (5). A plugging head (53) is fixedly communicated with the bottom of the main plugging device body (5). A material guiding mechanism (6) is installed on the grouting pipe (52). A displacement mechanism (7) is also installed between the first vertical bar (2) and the second vertical bar (3). The displacement mechanism (7) includes a servo motor (71), a transmission shaft (72) and a first bracket (73). The servo motor (71) is fixedly connected to the second vertical bar (3), and the driving end of the servo motor (71) penetrates through the second vertical bar (3) and is fixedly connected with the transmission shaft (72). Two first brackets (73) are fixedly connected to the bottom of the transmission shaft (72). The bottom end of the first bracket (73) is hinged with a second bracket (74). The bottom end of the second bracket (74) is hinged with a fastening plate (75). One end of the fastening plate (75) is fixedly connected with a guiding frame (76).

2. The blast hole plugging device for mine blasting according to claim 1, characterized in that, One end of the transmission shaft (72) is rotatably connected to the first vertical bar (2) through a bearing. The lengths of the first bracket (73) and the second bracket (74) are equal.

3. The blast hole plugging device for mine blasting and excavation according to claim 1, characterized in that, The first bracket (73), the second bracket (74), the fastening plate (75) and the guiding frame (76) are all symmetrically distributed with respect to the central axis of the cross bar (1). The fastening plate (75) is fixedly connected to the top of the main plugging device body (5).

4. A blast hole plugging device for mine blasting and excavation, characterized in that, The guiding frame (76) is slidably sleeved on the outside of the second vertical bar (3), and the guiding frame (76) is of a "return" shaped structure.

5. The blast hole plugging device for mine blasting and excavation according to claim 1, characterized in that, The material guiding mechanism (6) includes a mounting frame (61), an adjusting rod (62), a scraping disc (63) and a fixing block (64). The mounting frame (61) is hinged to the grouting pipe (52), and the adjusting rod (62) is inserted into the mounting frame (61). The scraping disc (63) and the fixing block (64) are fixedly connected to the two ends of the adjusting rod (62) respectively.

6. The blast hole plugging device for mine blasting according to claim 5, characterized in that, The diameter of the scraping disc (63) is smaller than the diameter of the grouting pipe (52). The mounting frame (61) and the adjusting rod (62) are slidably connected.

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