Blast hole depth measuring device for mining blasting

Abstract

The utility model discloses a blast hole depth measuring device for mining blasting, and relates to the technical field of mining blasting measurement, the blast hole depth measuring device for mining blasting comprises a mounting cylinder, the upper side surface of the mounting cylinder is fixedly connected with a fitting disc, the inner wall of the mounting cylinder is rotatably connected with a rotating ring, and the fitting disc is fixedly connected with the rotating ring. Two first guide rods are fixedly connected to the inner wall of the rotating ring, the outer surfaces of the two first guide rods are slidably sleeved with sliding seats, a mounting sleeve is fixedly connected between the two sliding seats, a laser head is arranged in the mounting sleeve, and a driving cylinder is fixedly connected to the outer surface of the mounting sleeve; through the rotating function provided by the rotating ring and the sliding function achieved by matching the first guide rod with the sliding seat and the mounting sleeve, the laser head can stay at any position in the mounting cylinder for measurement, the problem that multiple sets of substrates need to be prepared in the prior art is solved, the material storage difficulty is reduced, and the time consumed for replacing the substrates is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining blasting measurement technical field especially relates to a blast hole depth measuring device for mining blasting. BACKGROUND

[0002] In the process of mineral exploitation, it is often necessary to blast open the mountain rock by blasting, usually, blast holes are drilled on the rock mass first, then explosives are placed in the blast holes, and finally blasting is carried out. After the blast hole is drilled, the depth of the blast hole needs to be measured in order to fully meet the blasting requirements.

[0003] For example, the Chinese utility model patent with the patent publication number CN221725152U can obtain multiple different ranging values by changing the position of the laser head, avoid the situation that the blast hole depth measurement result is much smaller than the real depth of the blast hole due to the interference of the debris in the blast hole with the light path, and ensure the accuracy of the measurement result. However, since the blast hole has three types of vertical, horizontal and inclined, the position locking of the laser head in this patent relies on gravity and cannot be used in the horizontal and inclined cases, resulting in a narrow application range. In view of this, we propose a blast hole depth measuring device for mining blasting. SUMMARY

[0004] The purpose of the utility model is to provide a blast hole depth measuring device for mining blasting to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a blast hole depth measuring device for mining blasting, comprising a mounting cylinder, the upper surface of the mounting cylinder is fixedly connected with a fitting disc, the inner wall of the mounting cylinder is rotatably connected with a rotating ring, the inner wall of the rotating ring is fixedly connected with two first guide rods, the outer surfaces of the two first guide rods are both slidably sleeved with sliding seats, the two sliding seats are fixedly connected with a mounting sleeve, the inside of the mounting sleeve is provided with a laser head, the outer surface of the mounting sleeve is fixedly connected with a driving cylinder, the front and rear surfaces of the driving cylinder are respectively rotatably connected with threaded rods, the outer surfaces of the threaded rods are threadedly sleeved with threaded cylinders, the ends of the threaded cylinders are fixedly connected with arc-shaped plates, and the driving cylinder is provided with an adjusting assembly.

[0006] Preferably, the adjusting assembly comprises a driving rod, the driving rod is rotatably connected to the upper surface of the driving cylinder, the lower end of the driving rod is rotatably penetrated into the inside of the driving cylinder, and the lower end of the driving rod is fixedly connected with a first bevel gear.

[0007] Preferably, one end of each of the two threaded rods near each other is fixedly connected with a transmission rod, and the two transmission rods are rotatably penetrated into the inside of the driving cylinder.

[0008] Preferably, the two transmission rods are fixedly connected with second bevel gears at one end thereof, and the first bevel gear is in meshing connection with the two second bevel gears.

[0009] Preferably, the right surface of the driving cylinder is fixedly connected with a guide cylinder, and the two arc-shaped plates are fixedly connected with second guide rods at one side surface thereof.

[0010] Preferably, the two second guide rods are slidably arranged in the guide cylinder, and the inner wall of the rotating ring is fixedly connected with a U-shaped connecting plate.

[0011] Preferably, the U-shaped connecting plate is composed of two horizontal plates and a vertical plate, the upper horizontal plate of the U-shaped connecting plate extends to the upper surface of the abutting disc, an adjusting bolt is arranged on the U-shaped connecting plate, the lower end of the adjusting bolt is screwed through to the lower surface of the horizontal plate of the U-shaped connecting plate, and the lower end of the adjusting bolt is fixedly connected with a rubber disc.

[0012] Preferably, the first guide rod is fixedly connected with a wave-shaped plate, the sliding seat is provided with an opening, the sliding seat is fixedly connected with a supporting rod, the end of the supporting rod is fixedly connected with a fixing ring, the inner wall of the fixing ring is rotatably connected with a cleaning ring, the inner wall of the cleaning ring is provided with a brush, the inner wall of the cleaning ring is fixedly connected with two protrusions, and the two protrusions are respectively located on the upper and lower surfaces of the wave-shaped plate.

[0013] Compared with the prior art, the mining blasting hole depth measuring device has the following beneficial effects:

[0014] 1. The mining blasting hole depth measuring device can realize the sliding function of the sliding seat and the mounting sleeve through the rotating function of the rotating ring in cooperation with the first guide rod, so that the laser head can be stopped and measured at any position in the mounting cylinder, the problem that multiple sets of base plates need to be prepared in the prior art is solved, and the difficulty of material storage and the time consumed for replacing the base plate are reduced.

[0015] 2. The mining blasting hole depth measuring device can quickly unlock and lock the sliding and rotating functions of the laser head by means of the rotating drive rod or the adjusting bolt, and any one of the functions can be started alone, so that different positions of the blasting hole can be measured, and the problem that part of the area is blocked and difficult to measure is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The mining blasting hole depth measuring device will be further described in combination with the drawings and embodiments:

[0017] Figure 1 FIG. 1 is a structural schematic view of the mining blasting hole depth measuring device of the present application;

[0018] Figure 2The utility model discloses a driving cylinder internal structure schematic diagram;

[0019] Figure 3 The utility model discloses a rotating ring separation schematic diagram;

[0020] Figure 4 The utility model discloses Figure 1 The middle A place enlarged view;

[0021] Figure 5 The utility model discloses a convex structure schematic diagram.

[0022] Fig. 1, mounting cylinder;2, the disc that sticks together;3, rotating ring;4, first guide rod;5, sliding seat;6, mounting sleeve;7, laser head;8, drive cylinder;9, threaded rod;10, threaded cylinder;11, arc plate;12, drive rod;13, first bevel gear;14, transmission rod;15, second bevel gear;16, guide cylinder;17, second guide rod;18, U-shaped connecting plate;19, adjusting bolt;20, rubber disc;21, wave plate;22, opening;23, support rod;24, fixed ring;25, cleaning ring;26, convex. Specific embodiments

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the drawings, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a blast hole depth measuring device for mining blasting, including mounting cylinder 1, the upper surface of mounting cylinder 1 is fixedly connected with the disc that sticks together 2, the inner wall of mounting cylinder 1 is rotatably connected with rotating ring 3, the inner wall of rotating ring 3 is fixedly connected with two first guide rods 4, the outer surface of two first guide rods 4 is slidably equipped with sliding seat 5, the movement track is limited by sliding seat 5 cooperation first guide rod 4, two sliding seats 5 are fixedly connected with mounting sleeve 6, and the inside of mounting sleeve 6 is provided with laser head 7, and the depth of blast hole is measured by laser head 7.

[0025] The outer surface of the mounting sleeve 6 is fixedly connected with a driving cylinder 8, the front and rear surfaces of the driving cylinder 8 are rotationally connected with threaded rods 9 respectively, the outer surface of the threaded rod 9 is threadedly sleeved with a threaded cylinder 10, the end of the threaded cylinder 10 is fixedly connected with an arc-shaped plate 11, the threaded rod 9 is driven to move the arc-shaped plate 11 in cooperation with the threaded cylinder 10, the driving cylinder 8 is provided with an adjusting assembly, the sliding function of the sliding seat 5 and the mounting sleeve 6 can be realized by the rotation function of the rotating ring 3 in cooperation with the first guide rod 4, so that the laser head 7 can be stopped and measured at any position in the mounting cylinder 1, the problem that multiple sets of base plates need to be prepared in the prior art is solved, and the difficulty of material storage and the time consumed for replacing the base plate are reduced.

[0026] Further, the adjusting assembly comprises a driving rod 12, the driving rod 12 is rotationally connected to the upper surface of the driving cylinder 8, the lower end of the driving rod 12 is rotationally penetrated into the interior of the driving cylinder 8, the lower end of the driving rod 12 is fixedly connected with a first bevel gear 13, one end of each of the two threaded rods 9 is fixedly connected with a transmission rod 14, the two transmission rods 14 are both rotationally penetrated into the interior of the driving cylinder 8, one end of each of the two transmission rods 14 is fixedly connected with a second bevel gear 15, the two sides of the arc-shaped plate 11 are synchronously driven to move by the first bevel gear 13 and the two second bevel gears 15.

[0027] The first bevel gear 13 is meshingly connected with the two second bevel gears 15, the right surface of the driving cylinder 8 is fixedly connected with a guide cylinder 16, one side surface of each of the two arc-shaped plates 11 is fixedly connected with a second guide rod 17, the movement track of the arc-shaped plate 11 is guided by the guide cylinder 16 in cooperation with the second guide rod 17, each of the two second guide rods 17 is slidingly sleeved in the interior of the guide cylinder 16, the inner wall of the rotating ring 3 is fixedly connected with a U-shaped connecting plate 18, the U-shaped connecting plate 18 is composed of two horizontal plates and a vertical plate, the upper horizontal plate of the U-shaped connecting plate 18 extends to the upper surface of the abutting disc 2.

[0028] The U-shaped connecting plate 18 is provided with an adjusting bolt 19, the U-shaped connecting plate 18 is locked by the vertical movement of the adjusting bolt 19, thereby indirectly locking the rotating ring 3, the lower end of the adjusting bolt 19 is threadedly penetrated to the lower surface of the horizontal plate of the U-shaped connecting plate 18, the lower end of the adjusting bolt 19 is fixedly connected with a rubber disc 20, the sliding and rotation functions of the laser head 7 can be unlocked and locked by rotating the driving rod 12 or the adjusting bolt 19, and any one of the functions can be started alone, so as to facilitate the measurement of different positions of the blast hole and effectively solve the problem that part of the area is blocked and difficult to measure.

[0029] The first guide rod 4 is fixedly connected with a wave plate 21, the sliding seat 5 is provided with an opening 22, the sliding seat 5 is fixedly connected with a support rod 23, the end of the support rod 23 is fixedly connected with a fixed ring 24, the inner wall of the fixed ring 24 is rotatably connected with a cleaning ring 25, the inner wall of the cleaning ring 25 is provided with a brush, the inner wall of the cleaning ring 25 is fixedly connected with two protrusions 26, the two protrusions 26 are respectively located on the upper and lower two side surfaces of the wave plate 21, the wave plate 21 guides the protrusions 26 to realize the reciprocating swing of the cleaning ring 25, so as to clean the first guide rod 4, and avoid that the hard particles attached to the surface damage the first guide rod 4 when the arc-shaped plate 11 clamps.

[0030] The laser head 7 is a prior art, and its main purpose is to measure the depth through laser reflection, and specific reference can be made to the patent publication CN221725152U.

[0031] Working principle: when measuring the depth of different positions, the driving rod 12 can be rotated, the first bevel gear 13 is driven to rotate by the driving rod 12, the first bevel gear 13 is meshed and connected with two second bevel gears 15 at the same time, so that the transmission rod 14 is driven to rotate by the first bevel gear 13 and the second bevel gear 15 in synchronous cooperation when the driving rod 12 rotates, the threaded rod 9 is driven to rotate in synchronous cooperation when the transmission rod 14 rotates, the threaded sleeve 10 is sleeved on the outer surface of the threaded rod 9, and the movement track of the arc-shaped plate 11 is limited by the cooperation of the second guide rod 17 and the guide cylinder 16, so that the arc-shaped plate 11 on both sides is driven to move in opposite directions by the threaded sleeve 10 in cooperation with the threaded rod 9 when the threaded rod 9 rotates, so that the arc-shaped plate 11 is separated from the first guide rod 4, at this time, the position of the laser head 7 can be changed by the sliding installation sleeve 6, and the rubber disc 20 can be separated from the adhering disc 2 by rotating the adjusting bolt 19, so that the rotating ring 3 can rotate freely, thereby realizing the adjustment of the laser head 7 at any position, effectively solving the problem that part of the area is blocked and difficult to measure, the cleaning ring 25 is driven to reciprocate by the wave plate 21 in cooperation with the protrusions 26, thereby cleaning the first guide rod 4.

[0032] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A borehole depth measuring device for use in mining blasting, comprising a mounting cylinder (1), characterised in that: The upper surface of the mounting cylinder (1) is fixedly connected with a fitting disc (2), the inner wall of the mounting cylinder (1) is rotatably connected with a rotating ring (3), the inner wall of the rotating ring (3) is fixedly connected with two first guide rods (4), the outer surfaces of the two first guide rods (4) are slidably sleeved with sliding seats (5), the two sliding seats (5) are fixedly connected with a mounting sleeve (6), the inside of the mounting sleeve (6) is provided with a laser head (7), the outer surface of the mounting sleeve (6) is fixedly connected with a driving cylinder (8), the front and rear surfaces of the driving cylinder (8) are rotatably connected with threaded rods (9), the outer surfaces of the threaded rods (9) are threadedly sleeved with threaded cylinders (10), the ends of the threaded cylinders (10) are fixedly connected with arc-shaped plates (11), and the driving cylinder (8) is provided with an adjusting assembly.

2. A borehole depth measuring device for use in mining blasting as claimed in claim 1, characterized in that: The adjusting assembly comprises a driving rod (12), the driving rod (12) is rotatably connected to the upper surface of the driving cylinder (8), the lower end of the driving rod (12) penetrates into the inside of the driving cylinder (8), and the lower end of the driving rod (12) is fixedly connected with a first bevel gear (13).

3. A borehole depth measuring device for use in mining blasting as claimed in claim 2, characterized in that: The ends of the two threaded rods (9) are fixedly connected with transmission rods (14), and the two transmission rods (14) rotatably penetrate into the inside of the driving cylinder (8).

4. A borehole depth measuring device for use in mining blasting as claimed in claim 3, characterized in that: The ends of the two transmission rods (14) are fixedly connected with second bevel gears (15), and the first bevel gear (13) is in meshing connection with the two second bevel gears (15).

5. A borehole depth measuring device for use in mining blasting as claimed in claim 4, characterized in that: The right surface of the driving cylinder (8) is fixedly connected with a guide cylinder (16), and the side surfaces of the two arc-shaped plates (11) are fixedly connected with second guide rods (17).

6. A borehole depth measuring device for use in mining blasting as claimed in claim 5, characterized in that: The two second guide rods (17) are slidably sleeved in the inside of the guide cylinder (16), and the inner wall of the rotating ring (3) is fixedly connected with a U-shaped connecting plate (18).

7. A borehole depth measuring device for use in mining blasting as claimed in claim 6, characterized in that: The U-shaped connecting plate (18) is composed of two horizontal plates and a vertical plate, the upper horizontal plate of the U-shaped connecting plate (18) extends to the upper surface of the fitting disc (2), an adjusting bolt (19) is arranged on the U-shaped connecting plate (18), the lower end of the adjusting bolt (19) threadedly penetrates into the lower surface of the horizontal plate of the U-shaped connecting plate (18), and the lower end of the adjusting bolt (19) is fixedly connected with a rubber disc (20).

8. A borehole depth measuring device for use in mining blasting as claimed in claim 7, characterized in that: A wave plate (21) is fixedly connected to the first guide rod (4), an opening (22) is formed in the sliding seat (5), a supporting rod (23) is fixedly connected to the sliding seat (5), the end of the supporting rod (23) is fixedly connected with a fixing ring (24), the inner wall of the fixing ring (24) is rotatably connected with a cleaning ring (25), the inner wall of the cleaning ring (25) is provided with a brush, the inner wall of the cleaning ring (25) is fixedly connected with two protrusions (26), and the two protrusions (26) are located on the upper and lower side surfaces of the wave plate (21).

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