Novel blasting hole protector

Abstract

The utility model relates to the technical field of blasting hole protection for surface mine deep hole drilling blasting, and discloses a novel blasting hole protector which comprises a hole protector body. When drilling is conducted through a ground drill hole, the hole protector body is inserted into the drill hole, meanwhile, the supporting device is opened, then the sleeve and the supporting leg are rotated and opened through the first rotating base, and when the supporting device is not long, the supporting leg is ejected out through the extrusion spring; the supporting plate supports and lifts the ground to the position of the fixing groove through rotation of the second rotating seat, flowing stone sand is prevented from flowing into the hole protector main body in severe weather, and the situation that explosives cannot be installed in place due to falling of loose rock blocks after a drilling machine drills holes and during charging is avoided, or inert spacing layers are formed between explosive columns when the explosives fall into the hole is avoided; and the explosion effect is influenced, and the explosion cost is reduced especially in the operation in a rock stratum loose section and in severe rainstorm weather.

Description

Technical Field

[0001] The utility model relates to the technical field of blasting hole protection for deep hole drilling and blasting in open-pit mines, in particular to a novel blasting hole protector. Background Art

[0002] Blasting is a technology that uses the compression, loosening, destruction, throwing and killing effects of explosives in air, water, soil and rock media or objects to achieve the desired purpose. When explosive bags or charges explode in soil and rock media or structures, the soil and rock media or structures will be compressed, deformed, destroyed, loosened and thrown. It is mainly used in earthwork engineering and the demolition of metal buildings and structures. The scope of research includes: the properties and use of explosives and fire tools, the explosion effect of charges (charges) in various media, contact blasting and non-contact blasting of charges on targets, and the organization and implementation of various blasting operations.

[0003] After searching, the utility model patent publication number is CN 212721136 U. The utility model provides a blasting drilling hole protection device applied to the field of mine blasting technology. The upper end of the protection tube (1) of the blasting drilling hole protection device is connected to one end of the measuring rope (3), and the measuring rope (3) is provided with a scale line. The protection tube (1) is a hollow cylindrical structure, and the outer wall diameter of the protection tube (1) is set to be smaller than the inner wall diameter of the blasting drilling hole (10). The measuring rope (3) is set to be able to drive the protection tube (1) to extend into the blasting drilling hole (10). The blasting drilling hole protection device described in the utility model is effectively applicable to abnormal blasting holes such as cracks, caves, and clay interlayers in some holes during the drilling process, ensuring smooth charging, reducing waste blasting holes, and at the same time ensuring the utilization efficiency of blasting holes and improving blasting effects.

[0004] Due to mechanical impact and wind pressure scouring during drilling, the hole mouth of about 1 meter (may be longer in some areas) is difficult to form, and sometimes a cone pit is formed. When drilling or charging, it is possible that loose rock blocks from the hole mouth fall into the hole and get stuck, causing the explosives to be unable to be installed in place, or fall into the hole to form an inert spacing layer between the explosives, causing some explosives to refuse to explode and thus affecting the blasting effect. In order to ensure that the hole is intact after drilling and the charging is smooth, a blasting hole protector is required. Utility Model Content

[0005] The purpose of the utility model is to provide a novel blasting hole protector, which solves the problem in the background technology that when drilling or charging, loose rock blocks at the hole mouth may fall into the hole and get stuck, resulting in the inability to install the explosives in place, or the loose rock blocks may fall into the hole and form an inert spacing layer between the explosive columns, thereby causing part of the explosives to refuse to explode and thus affecting the blasting effect.

[0006] An embodiment of the present application provides a new type of blasting hole protector, including a hole protector body, a blocking ring is fixedly connected to the upper surface end of the hole protector body, a handle is fixedly connected to the left surface end of the blocking ring, and a supporting device is fixedly connected to the left surface end of the hole protector body.

[0007] By adopting the above technical scheme, when the ground drilling is completed, the hole protector body is inserted into the drill hole, and the supporting device is stretched out at the same time, and then the sleeve and the supporting legs are rotated and opened through the first rotating seat. When the length of the supporting device is not long, the push plate is pushed out from the L-slot of the sleeve, and the supporting legs are ejected by the extrusion spring. The support plate rotates through the second rotating seat to support the ground to ensure that the hole protector body is supported. When encountering bad weather, the pulling column can be pulled to drive the mobile blocking ring to rise, and the rotating fixed plate of the mobile blocking ring is lifted and lowered through the lifting groove to the fixed groove position, and then the mobile blocking ring is rotated to drive the rotating fixed plate to enter the fixed groove position, and the fixed groove supports the rotating fixed plate to prevent the flow of stone and sand into the hole protector body due to bad weather.

[0008] Optionally, the right end of the surface side of the support device is fixedly connected to a first rotating seat, the lower end of the surface of the first rotating seat is rotatably connected to a sleeve, the inner upper end of the sleeve is fixedly connected to a spring, the lower end of the surface of the spring is fixedly connected to a push plate, the lower end of the surface of the push plate is fixedly connected to a support leg, the lower end of the surface of the support leg is fixedly connected to a second rotating seat, and the lower end of the surface of the second rotating seat is rotatably connected to the support plate.

[0009] By adopting the above technical solution, the hole protector can be prevented from excessively sinking and being buried.

[0010] Optionally, a lifting groove is opened at the inner middle end of the blocking ring, a fixed groove is opened at the inner upper end of the lifting groove, a rotating fixed plate is slidably connected to the right end of the surface side of the lifting groove, a movable blocking ring is fixedly connected to the right end of the surface side of the rotating fixed plate, and a pulling column is fixedly connected to the upper end of the surface of the movable blocking ring.

[0011] By adopting the above technical solution, mud can be prevented from flowing into the hole protector during rainy weather.

[0012] Optionally, there are four groups of the rotating fixed plates, and the four groups of rotating fixed plates surround each other with the movable blocking ring distribution center.

[0013] By adopting the technical solution, fixation is facilitated.

[0014] Optionally, the size of the fixing groove matches the size of the rotating fixing plate.

[0015] By adopting the above technical solution, shaking during connection can be avoided.

[0016] Optionally, an L-shaped groove is provided at the right end of the surface side of the sleeve.

[0017] By adopting the above technical solution, it is convenient to move the push plate and limit the support legs.

[0018] Optionally, the surface of the handle is provided with an anti-slip layer.

[0019] By adopting the above technical solution, the user is prevented from slipping during the pulling process.

[0020] Optionally, a sliding layer is provided on the surface of the rotating fixed plate.

[0021] By adopting the above technical solution, it is convenient for parts to rotate.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] When the technical solution of the present application is completed by drilling a hole in the ground, the hole protector body is inserted into the drill hole, and the supporting device is stretched out at the same time, and then the sleeve and the supporting legs are rotated and opened through the first rotating seat. When the length of the supporting device is not long, the pushing plate is pushed out from the L groove of the sleeve, and the supporting legs are ejected by the extrusion spring. The supporting plate supports the ground through the rotation of the second rotating seat to ensure that the hole protector body is supported. When encountering bad weather, the pulling column can be pulled to drive the mobile blocking ring to rise, and the rotating fixing plate of the mobile blocking ring is lifted by The lowering slot is raised and lowered to the fixed slot position, and then the rotating blocking ring is rotated to drive the rotating fixed plate into the fixed slot position. The fixed slot supports the rotating fixed plate to prevent the flowing stone and sand from flowing into the main body of the hole protector due to bad weather, and protects the hole after the drilling rig is drilled and during the charging period. The loose rock blocks will not fall, resulting in the inability to install the explosives in place, or the falling holes will form an inert spacing layer between the explosive columns, which will cause part of the explosives to refuse to explode and affect the blasting effect, especially in operations in loose rock areas and under heavy rain and bad weather, reducing blasting costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 This is a schematic diagram of the overall structure of a new type of blasting hole protector of the utility model;

[0026] Figure 2 This is a schematic diagram of the blocking ring structure of a new type of blasting hole protector of the utility model;

[0027] Figure 3 This is a schematic diagram of the fixing groove structure of a new type of blasting hole protector of the utility model;

[0028] Figure 4 The utility model is a schematic diagram of the supporting device structure of a novel blasting hole protector.

[0029] In the figure: 1. hole protector body; 2. handle; 3. supporting device; 301. first rotating seat; 302. sleeve; 303. spring; 304. push plate; 305. supporting leg; 306. second rotating seat; 307. supporting plate; 4. blocking ring; 401. moving blocking ring; 402. rotating fixed plate; 403. pulling column; 404. lifting slot; 405. fixed slot. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: a new type of blasting hole protector, including a hole protector body 1, a blocking ring 4 is fixedly connected to the upper end of the surface of the hole protector body 1, a handle 2 is fixedly connected to the left end of the surface side of the blocking ring 4, and a supporting device 3 is fixedly connected to the left end of the surface side of the hole protector body 1.

[0031] In the above technical scheme, when the ground drilling hole is drilled, the hole protector body 1 is inserted into the drill hole, and the supporting device 3 is stretched out at the same time, and then the sleeve 302 and the supporting leg 305 are rotated and opened through the first rotating seat 301. When the length of the supporting device 3 is not long, the pushing plate 304 is pushed out from the sleeve 302L slot, and the supporting leg 305 is ejected by the extrusion spring 303. The supporting plate 307 rotates through the second rotating seat 306 to support the ground to ensure that the hole protector body 1 is supported. When encountering bad weather, the pulling column 403 can be pulled to drive the mobile blocking ring 401 to rise, and the rotating fixed plate 402 of the mobile blocking ring 401 is lifted and lowered through the lifting groove 404 to the fixed groove 405 position, and then the mobile blocking ring 401 is rotated to drive the rotating fixed plate 402 to enter the fixed groove 405 position, and the fixed groove 405 supports the rotating fixed plate 402 to prevent the flowing stone and sand from flowing into the hole protector body 1 due to bad weather.

[0032] In the technical solution of the utility model, if Figure 3 As shown, the right end of the surface side of the support device 3 is fixedly connected to the first rotating seat 301, the lower end of the surface of the first rotating seat 301 is rotatably connected to the sleeve 302, the inner upper end of the sleeve 302 is fixedly connected to the spring 303, the lower end of the surface of the spring 303 is fixedly connected to the push plate 304, the lower end of the surface of the push plate 304 is fixedly connected to the support leg 305, the lower end of the surface of the support leg 305 is fixedly connected to the second rotating seat 306, and the lower end of the surface of the second rotating seat 306 is rotatably connected to the support plate 307 to prevent the hole protector from excessive sinking and being buried.

[0033] In the technical solution of the utility model, if Figure 1 and Figure 2 and Figure 3 As shown, a lifting groove 404 is provided at the middle end of the inner part of the blocking ring 4, a fixing groove 405 is provided at the inner upper end of the lifting groove 404, a rotating fixing plate 402 is slidably connected to the right end of the surface side of the lifting groove 404, a moving blocking ring 401 is fixedly connected to the right end of the surface side of the rotating fixing plate 402, and a pulling column 403 is fixedly connected to the upper surface of the moving blocking ring 401 to prevent mud from flowing into the hole protector in rainy weather.

[0034] In the technical solution of the utility model, if Figure 2 As shown, there are four groups of rotating fixed plates 402, and the four groups of rotating fixed plates 402 surround each other with the movable blocking ring 401 distributed at the center, so as to facilitate fixation.

[0035] In the technical solution of the utility model, if Figure 2 and Figure 3 As shown, the size of the fixing groove 405 matches the size of the rotating fixing plate 402 to avoid shaking during connection.

[0036] In the technical solution of the utility model, if Figure 4 As shown, an L-shaped groove is provided at the right end of the front side of the sleeve 302 to facilitate the movement of the push plate 304 and the limiting of the support leg 305.

[0037] In the technical solution of the utility model, if Figure 1 As shown, the surface of the handle 2 is provided with an anti-slip layer to prevent the user from slipping during the pulling process.

[0038] In the technical solution of the utility model, if Figure 2 As shown, the surface of the rotating fixed plate 402 is provided with a sliding layer to facilitate the rotation of the parts.

[0039] When in use, after the drilling of the ground hole is completed, the hole protector body 1 is inserted into the drill hole, and the supporting device 3 is stretched out at the same time, and then the sleeve 302 and the supporting leg 305 are rotated and opened through the first rotating seat 301. When the length of the supporting device 3 is not long, the pushing plate 304 is pushed out from the sleeve 302L slot, and the supporting leg 305 is ejected by the extrusion spring 303, and the supporting plate 307 is rotated through the second rotating seat 306 to support the ground to ensure that the hole protector body 1 is supported. When encountering bad weather, the pulling column 403 can be pulled to drive the mobile blocking ring 401 to rise, and the rotating fixed plate 402 of the mobile blocking ring 401 is lifted and lowered through the lifting groove 404 to the fixed groove 405 position, and then the mobile blocking ring 401 is rotated to drive the rotating fixed plate 402 to enter the fixed groove 405 position, and the fixed groove 405 supports the rotating fixed plate 402 to prevent the flow of flowing stones and sand into the hole protector body 1 due to bad weather.

Claims

1. A novel blasting hole protector, comprising a hole protector body (1), characterized in that: The upper surface end of the hole protector body (1) is fixedly connected to a blocking ring (4), the left surface end of the blocking ring (4) is fixedly connected to a handle (2), and the left surface end of the hole protector body (1) is fixedly connected to a supporting device (3).

2. A new type of blasting hole protector according to claim 1, characterized in that: The right end of the surface side of the support device (3) is fixedly connected to a first rotating seat (301), the lower end of the surface of the first rotating seat (301) is rotatably connected to a sleeve (302), the inner upper end of the sleeve (302) is fixedly connected to a spring (303), the lower end of the surface of the spring (303) is fixedly connected to a push plate (304), the lower end of the surface of the push plate (304) is fixedly connected to a support leg (305), the lower end of the surface of the support leg (305) is fixedly connected to a second rotating seat (306), and the lower end of the surface of the second rotating seat (306) is rotatably connected to a support plate (307).

3. A new type of blasting hole protector according to claim 1, characterized in that: A lifting groove (404) is provided at the middle end of the interior of the blocking ring (4), a fixing groove (405) is provided at the upper end of the interior of the lifting groove (404), a rotating fixing plate (402) is slidably connected to the right end of the surface side of the lifting groove (404), a movable blocking ring (401) is fixedly connected to the right end of the surface side of the rotating fixing plate (402), and a pulling column (403) is fixedly connected to the upper end of the surface of the movable blocking ring (401).

4. A new type of blasting hole protector according to claim 3, characterized in that: There are four groups of the rotating fixed plates (402), and the four groups of the rotating fixed plates (402) surround each other with the moving blocking ring (401) being the distribution center.

5. A new type of blasting hole protector according to claim 3, characterized in that: The size of the fixing groove (405) is matched with the size of the rotating fixing plate (402).

6. A novel blasting hole protector according to claim 2, characterized in that: An L-shaped groove is provided at the right end of the front side of the sleeve (302).

7. A novel blasting hole protector according to claim 1, characterized in that: The surface of the handle (2) is provided with an anti-slip layer.

8. A novel blasting hole protector according to claim 3, characterized in that: The surface of the rotating fixed plate (402) is provided with a sliding layer.

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