Blast hole quantitative charging device for blasting engineering

By introducing components such as groove plate, first bolt, rotating disc and positioning block into the gun hole charging device, the problem of inaccurate adjustment of sleeve position is solved, and the precise quantitative loading and compaction of gunpowder is achieved, and the blasting effect is improved.

CN223064490UActive Publication Date: 2025-07-04SHAANXI SIFANG PING AN BLASTING ENG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421900266.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-04
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

In the existing blasting hole charging device for blasting engineering, the position adjustment of the sleeve can only be based on the position of the thread groove, resulting in insufficient accuracy and flexibility.

Method used

The design includes a groove plate, a first bolt, a rotating disc, a positioning block, an adjustment component and a charge assembly. By rotating the first bolt, the positioning block drives the friction with the groove plate to achieve accurate positioning of the extension rod. Combined with the use of a scale and a push plate, the quantitative filling and compaction of gunpowder is realized.

Benefits of technology

It realizes accurate quantitative loading and compaction of gunpowder, improves the blasting effect, and ensures accurate control of gunpowder combustion efficiency and explosion amplitude.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223064490U_ABST
    Figure CN223064490U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of charging devices, and discloses a blast hole quantitative charging device for blasting engineering, which comprises a trough plate, and further comprises a first bolt, a rotating disc, a positioning block, an adjusting assembly and a charging assembly, the adjusting assembly is arranged in the trough plate, the charging assembly is arranged in the trough plate, the first bolt is arranged in the adjusting assembly, and the rotating disc is arranged on the rotating disc. A rotating disc is fixedly connected to the bottom of the first bolt, a positioning block is rotatably connected to the interior of the rotating disc and movably connected to the interior of the groove plate, the first bolt is rotated to drive the positioning block to make contact with the groove plate, and friction with the groove plate is increased through the positioning block, so that the position of the groove plate is positioned. The extension rod is adjusted to a proper position in a sliding mode, friction between the extension rod and the groove plate is increased through the positioning block after adjustment is completed, and therefore the fixing sleeve can be fixed to any position, the adjusted size and position are more accurate and flexible, limitation is avoided, and operation and use are more convenient.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of charging devices, in particular to a quantitative charging device for blast holes in blasting engineering. Background Technique

[0002] Blasting engineering refers to a construction method that uses explosives for earth and stone excavation, demolition or destruction of foundations, buildings, and structures. By means of a charging device, a certain amount of gunpowder is placed inside the blast holes for blasting.

[0003] According to a blast hole charging structure for mining blasting disclosed on the patent network (authorization announcement number: CN214842818 U), it is described that "both sides of the connecting plate are threadedly connected with extension plates through fixing bolts, and sleeves are arranged on the upper surfaces of the connecting plate and the extension plates."

[0004] Regarding the above description, the applicant believes there are the following problems:

[0005] During the use of this utility model, since the device is connected to the connecting plate through the extension plate, and then the fixing bolt is inserted into the threaded groove to adjust the interval between the sleeves, however, the adjusted interval can only be adjusted according to the position of the threaded groove and cannot be flexibly adjusted to any position, and the position adjustment is not precise enough. Therefore, it is necessary to improve a quantitative charging device for blast holes in blasting engineering to solve the above problems. Summary of the Utility Model

[0006] In order to overcome the problem that the position adjustment of the sleeve can only be adjusted according to the position of the threaded groove, and the position adjustment is not precise and flexible enough.

[0007] The technical solution of the utility model is: a quantitative charging device for blast holes in blasting engineering, including a groove plate, and also including a first bolt, a rotating disk, a positioning block, an adjusting assembly and a charging assembly. The adjusting assembly is arranged inside the groove plate, the charging assembly is arranged inside the groove plate, the first bolt is arranged inside the adjusting assembly, the bottom of the first bolt is fixedly connected with the rotating disk, the inside of the rotating disk is rotationally connected with the positioning block, and the positioning block is movably connected inside the groove plate. By rotating the first bolt to drive the positioning block to contact the groove plate, the friction with the groove plate is increased through the positioning block to position its position.

[0008] Preferably, the extension rod slides inside the chute of the groove plate and is adjusted to a suitable position. By driving the positioning block to move inside the movable groove of the groove plate and closely adhere to the groove plate through the first bolt, the position of the extension rod is positioned by the friction between the positioning block and the groove plate, so as to fix the fixed sleeve at a suitable position after adjustment. According to the scale inside the medicine placement box, a certain amount of gunpowder is placed, and then the baffle is opened through the pull ring. At the same time, the gunpowder is pushed into the inside of the medicine guiding cylinder through the push plate, and then the gunpowder inside the medicine guiding cylinder is compacted through the pressing plate, so as to load the gunpowder.

[0009] Preferably, the slot plate is provided with a movable slot at the corresponding position of the positioning block, and the positioning block is movably connected inside the movable slot. By means of the movable slot, the positioning block can move inside it, so that the positioning block can be adjusted to a suitable position following the fixed sleeve and then positioned.

[0010] Preferably, the adjusting assembly includes an extension rod which is slidably connected inside the slot plate. A fixed sleeve is fixedly connected to the outer side of the extension rod. A first spring is fixedly connected between the extension rod and the slot plate. A threaded cylinder is fixedly connected to the inner side of the fixed sleeve. A first bolt is threadedly connected inside the threaded cylinder. The position of the fixed sleeve can be flexibly adjusted according to the position of the charging blast hole, and the positioning block can be driven by the first bolt to fix the adjusted position, making the adjustment and fixation of the position more flexible.

[0011] Preferably, the slot plate is provided with a sliding slot at the corresponding position of the extension rod and the threaded cylinder, and the extension rod and the threaded cylinder are slidably connected inside the sliding slot. The extension rod is limited by the sliding slot to slide linearly, preventing the extension rod from shifting.

[0012] Preferably, the charging assembly includes a medicine guiding cylinder which is fixedly connected inside the slot plate and also fixedly connected inside the fixed sleeve. A positioning ring is fixedly connected inside the medicine guiding cylinder. A rotating ring is rotatably connected inside the medicine guiding cylinder. A nut is fixedly connected to the top of the rotating ring. A threaded rod is threadedly connected inside the nut. The threaded rod is slidably connected inside the positioning ring. A pressing plate is fixedly connected to the bottom of the threaded rod. A medicine placing box is fixedly connected inside the medicine guiding cylinder. A scale is fixedly connected inside the medicine placing box. A second bolt is threadedly connected inside the medicine placing box. A push plate is rotatably connected to the back of the second bolt. The push plate is slidably connected inside the medicine placing box. A baffle is slidably connected inside the medicine placing box. A pull ring is fixedly connected to the front of the baffle. A second spring is fixedly connected between the pull ring and the medicine placing box. The scale and the medicine placing box facilitate the quantitative loading of gunpowder, making the filling amount of gunpowder more accurate and precisely controlling the amplitude of the explosion. Moreover, the gunpowder is compacted by the pressing plate, making the combustion effect of the gunpowder better.

[0013] Preferably, the positioning ring is provided with a limiting hole at the corresponding position of the threaded rod, and the threaded rod slides inside the limiting hole. By means of the limiting hole, the threaded rod cannot rotate, so that the position of the threaded rod can be adjusted by the nut to move it up and down.

[0014] Preferably, the medicine placing box is provided with a sliding slot at the corresponding position of the baffle, and the baffle slides inside the sliding slot. By means of the sliding slot, the baffle can be retracted, thus facilitating the push plate to push out the gunpowder inside the medicine placing box for filling.

[0015] The beneficial effects of the present utility model:

[0016] 1. The extension rod is slid to an appropriate position. After the adjustment is completed, the friction with the groove plate is increased through the positioning block, so that the fixed sleeve can be fixed at any position. The adjusted dimensional position is more accurate and flexible, without limitations, and thus the operation and use are more convenient.

[0017] 2. The filling amount of gunpowder can be controlled through the scale, and then the gunpowder is pushed into the inside of the medicine guide cylinder, so that the explosion amplitude of the gunpowder can be controlled. The gunpowder is compacted through the pressure plate to ensure the combustion efficiency of the gunpowder and achieve the best explosion effect. Brief Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the external structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the adjustment component of the present utility model;

[0020] Figure 3 It is a schematic cross-sectional view of the adjustment component of the present utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the medicine loading component of the present utility model;

[0022] Figure 5 It is a schematic cross-sectional view of the medicine loading component of the present utility model;

[0023] Figure 6 It is a schematic diagram of a partial structure of the medicine loading component of the present utility model.

[0024] Explanation of the reference numerals: 1. Groove plate; 21. Extension rod; 22. Fixed sleeve; 23. First spring; 24. Threaded cylinder; 25. First bolt; 26. Rotating disk; 27. Positioning block; 31. Medicine guide cylinder; 32. Positioning ring; 33. Rotating ring; 34. Nut; 35. Threaded rod; 36. Pressure plate; 37. Medicine placing box; 38. Second bolt; 39. Push plate; 310. Baffle; 311. Pull ring; 312. Second spring; 313. Scale. Detailed Embodiment

[0025] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0026] Please refer to Figures 1 - 6, the present utility model provides an embodiment: a quantitative charge device for blast holes in blasting engineering, including a groove plate 1, and further including a first bolt 25, a rotating disk 26, a positioning block 27, an adjusting assembly and a charging assembly. The adjusting assembly is arranged inside the groove plate 1, the charging assembly is arranged inside the groove plate 1, the first bolt 25 is arranged inside the adjusting assembly, the bottom of the first bolt 25 is fixedly connected with the rotating disk 26, the positioning block 27 is rotatably connected inside the rotating disk 26, and the positioning block 27 is movably connected inside the groove plate 1. By rotating the first bolt 25 to drive the positioning block 27 to contact the groove plate 1, the friction with the groove plate 1 is increased through the positioning block 27 to position its position. The extension rod 21 slides inside the chute of the groove plate 1 and is adjusted to a suitable position. The first bolt 25 drives the positioning block 27 to move inside the movable groove of the groove plate 1 and closely adhere to the groove plate 1. The position of the extension rod 21 is positioned by the friction between the positioning block 27 and the groove plate 1, so as to fix the fixed sleeve 22 at a suitable position after adjustment. According to the internal scale 313 of the medicine placement box 37, a quantitative amount of gunpowder is placed. Then, the baffle 310 is opened by pulling the pull ring 311. At the same time, the gunpowder is pushed into the inside of the medicine guide tube 31 by the push plate 39, and then the gunpowder inside the medicine guide tube 31 is compacted by the pressing plate 36, so as to load the gunpowder. The groove plate 1 is provided with a movable groove at the corresponding position of the positioning block 27, and the positioning block 27 is movably connected inside the movable groove. The positioning block 27 can move inside it through the movable groove, so that the positioning block 27 can be adjusted to a suitable position following the fixed sleeve 22, and then positioning is carried out.

[0027] Please refer to Figures 1 - 3 , in this embodiment, the adjusting assembly includes an extension rod 21. The extension rod 21 is slidably connected inside the groove plate 1. A fixed sleeve 22 is fixedly connected to the outer side of the extension rod 21. A first spring 23 is fixedly connected between the extension rod 21 and the groove plate 1. A threaded cylinder 24 is fixedly connected to the inner side of the fixed sleeve 22. The first bolt 25 is threadedly connected inside the threaded cylinder 24. The position of the fixed sleeve 22 can be flexibly adjusted according to the position of the blast hole to be charged, and the adjusting position can be fixed by driving the positioning block 27 through the first bolt 25. The adjustment and fixation of the position are more flexible. The groove plate 1 is provided with a chute at the corresponding position of the extension rod 21 and the threaded cylinder 24, and the extension rod 21 and the threaded cylinder 24 are slidably connected inside the chute. The extension rod 21 is limited by the chute to slide linearly, preventing the extension rod 21 from shifting.

[0028] Please refer to Figure 1 , Figures 4 - 6, in this embodiment, the charge assembly includes a medicine guide cylinder 31. The medicine guide cylinder 31 is fixedly connected inside the groove plate 1 and is also fixedly connected inside the fixed sleeve 22. A positioning ring 32 is fixedly connected inside the medicine guide cylinder 31. A rotating ring 33 is rotatably connected inside the medicine guide cylinder 31. A nut 34 is fixedly connected to the top of the rotating ring 33. A threaded rod 35 is threadedly connected inside the nut 34. The threaded rod 35 is slidably connected inside the positioning ring 32. A pressing plate 36 is fixedly connected to the bottom of the threaded rod 35. A medicine placement box 37 is fixedly connected inside the medicine guide cylinder 31. A scale 313 is fixedly connected inside the medicine placement box 37. A second bolt 38 is threadedly connected inside the medicine placement box 37. A push plate 39 is rotatably connected to the back of the second bolt 38. The push plate 39 is slidably connected inside the medicine placement box 37. A baffle 310 is slidably connected inside the medicine placement box 37. A pull ring 311 is fixedly connected to the front of the baffle 310. A second spring 312 is fixedly connected between the pull ring 311 and the medicine placement box 37. The scale 313 and the medicine placement box 37 facilitate the quantitative loading of gunpowder, making the filling amount of gunpowder more accurate and precisely controlling the amplitude of the explosion. Moreover, the gunpowder is compacted by the pressing plate 36, which can make the combustion effect of the gunpowder better. The positioning ring 32 is provided with a limiting hole at the corresponding position of the threaded rod 35, and the threaded rod 35 slides inside the limiting hole. The limiting hole prevents the threaded rod 35 from rotating, so that the position of the threaded rod 35 can be adjusted by the nut 34 to move it up and down. The medicine placement box 37 is provided with a sliding groove at the corresponding position of the baffle 310, and the baffle 310 slides inside the sliding groove. The sliding groove can make the baffle 310 retract, so as to facilitate the push plate 39 to push out the gunpowder inside the medicine placement box 37 for filling.

[0029] When working, the extension rod 21 slides inside the sliding groove of the groove plate 1, while stretching the first spring 23. The first spring 23 is used for the automatic reset of the extension rod 21. The extension rod 21 extends to adjust the position of the fixed sleeve 22. At the same time, the extension rod 21 will drive the positions of the threaded cylinder 24 and the positioning block 27. When adjusted to the appropriate position, rotate the first bolt 25 to drive the rotating disc 26. The first bolt 25 rotates and rises inside the threaded cylinder 24. At the same time, the positioning block 27 is driven to rise by the rotating disc 26. The positioning block 27 contacts the groove plate 1, increasing the friction with the groove plate 1 to position the extension rod 21. The position of the medicine guide cylinder 31 is adjusted through the position of the fixed sleeve 22. Place the gunpowder inside the medicine placement box 37. Adjust the position of the push plate 39 according to the scale of the scale 313 to quantitatively prevent the gunpowder. After prevention, pull the pull ring 311 to drive the baffle 310, while compressing the second spring 312. The second spring 312 is used for the automatic reset of the baffle 310. Then rotate the second bolt 38 to push the push plate 39. The push plate 39 pushes the gunpowder into the medicine guide cylinder 31. Rotate the nut 34 to drive the threaded rod 35. The threaded rod 35 slides inside the limiting hole of the positioning ring 32. The rotating ring 33 is used to limit the nut 34. The threaded rod 35 descends to drive the pressing plate 36, and the pressing plate 36 descends to compact the gunpowder.

[0030] Through the above steps, the extension rod 21 is slid and adjusted to a suitable position. After the adjustment is completed, the friction with the groove plate 1 is increased through the positioning block 27, so that the fixed sleeve 22 can be fixed at any position, so as to solve the problem that the adjustment interval can only be adjusted according to the position of the thread groove and cannot be flexibly adjusted to any position.

Claims

1. A quantitative charge loading device for blast holes in blasting engineering, including a trough plate (1), characterized in that: It further includes a first bolt (25), a rotating disc (26), a positioning block (27), an adjusting assembly and a charge loading assembly. The adjusting assembly is arranged inside the groove plate (1), the charge loading assembly is arranged inside the groove plate (1), the first bolt (25) is arranged inside the adjusting assembly, the bottom of the first bolt (25) is fixedly connected with the rotating disc (26), the inside of the rotating disc (26) is rotatably connected with the positioning block (27), the positioning block (27) is movably connected inside the groove plate (1), by rotating the first bolt (25) to drive the positioning block (27) to contact the groove plate (1), and the friction with the groove plate (1) is increased through the positioning block (27) to position its position.

2. The charge quantity quantitative charging device for blast holes used in blasting engineering according to claim 1, wherein: The groove plate (1) is provided with an activity groove at the corresponding position of the positioning block (27), and the positioning block (27) is movably connected inside the activity groove.

3. The blast hole quantitative charging device for blasting engineering according to claim 1, characterized in that: The adjusting assembly includes an extension rod (21), the extension rod (21) is slidably connected inside the groove plate (1), a fixed sleeve (22) is fixedly connected to the outside of the extension rod (21), a first spring (23) is fixedly connected between the extension rod (21) and the groove plate (1), a threaded cylinder (24) is fixedly connected to the inside of the fixed sleeve (22), and the first bolt (25) is threadedly connected inside the threaded cylinder (24).

4. The blast hole quantitative charging device for blasting engineering according to claim 3, characterized in that: The groove plate (1) is provided with a sliding groove at the corresponding position of the extension rod (21) and the threaded cylinder (24), and the extension rod (21) and the threaded cylinder (24) are slidably connected inside the sliding groove.

5. The blast hole quantitative charging device for blasting engineering according to claim 3, wherein: The charge loading assembly includes a medicine guiding cylinder (31), the medicine guiding cylinder (31) is fixedly connected inside the groove plate (1), the medicine guiding cylinder (31) is fixedly connected inside the fixed sleeve (22), a positioning ring (32) is fixedly connected inside the medicine guiding cylinder (31), a rotating ring (33) is rotatably connected inside the medicine guiding cylinder (31), a nut (34) is fixedly connected to the top of the rotating ring (33), a threaded rod (35) is threadedly connected inside the nut (34), the threaded rod (35) is slidably connected inside the positioning ring (32), a pressing disc (36) is fixedly connected to the bottom of the threaded rod (35), a medicine placing box (37) is fixedly connected inside the medicine guiding cylinder (31), a scale (313) is fixedly connected inside the medicine placing box (37), a second bolt (38) is threadedly connected inside the medicine placing box (37), a push plate (39) is rotatably connected to the back of the second bolt (38), the push plate (39) is slidably connected inside the medicine placing box (37), a baffle (310) is slidably connected inside the medicine placing box (37), a pull ring (311) is fixedly connected to the front of the baffle (310), and a second spring (312) is fixedly connected between the pull ring (311) and the medicine placing box (37).

6. The charge quantity measuring and charging device for blast holes used in blasting engineering according to claim 5, characterized in that: The positioning ring (32) is provided with a limiting hole at the corresponding position of the threaded rod (35), and the threaded rod (35) slides inside the limiting hole.

7. The blast hole quantitative charging device for blasting engineering according to claim 5, characterized in that: The medicine placing box (37) is provided with a sliding groove at the corresponding position of the baffle (310), and the baffle (310) slides inside the sliding groove.

Citation Information

Patent Citations

  • Blast hole charging structure for mining blasting

    CN214842818U