Blasting packed column

By designing an expandable spiral corrugated structure and combining high-strength materials, the transportation and storage problems caused by the large volume of the explosive filling column were solved, achieving a highly stable and safe explosive filling column that is easy to operate.

CN223807727UActive Publication Date: 2026-01-16WEIHAI MTI MINING EQUIP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520568938.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-16
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing blasting filler columns are bulky due to their rigid, one-piece structure, which increases transportation and storage costs.

Method used

It adopts an expandable spiral corrugated structure design, combined with a high-strength biodegradable woven bag, a flexible airtight membrane and a foamed silicone layer, and is equipped with an aerosol can and a limiting shell structure to ensure a safe and reliable expansion process, and improves operational accuracy through a reflective coating and an electronic scale sensor.

Benefits of technology

It reduces the need for transportation and storage space, enhances the stability and friction on the borehole wall after expansion, improves safety and operational accuracy, and reduces transportation and storage costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223807727U_ABST
    Figure CN223807727U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of engineering blasting, in particular to a blasting packed column which comprises a packed column body, the top of the packed column body is in threaded connection with an inflation pipe, the left end of the inflation pipe is fixedly connected with an aerosol can, the lower portion of the packed column body is fixedly connected with a throwing rope, and the right end of the throwing rope is fixedly connected with a wire winding plate. And the rear side of the wire winding plate is fixedly connected with a winding device. The filling column is arranged, the occupied space of the filling column can be reduced, the spiral corrugated pre-pressing creases are arranged on the outer side of the filling column and are in a spiral folding shape when not expanded, the occupied space is small, transportation and storage are facilitated, anti-skid lines are formed along the blast hole wall after expansion, friction can be enhanced, displacement during blasting can be prevented, and the service life of the filling column is prolonged. And by arranging the aerosol can, it is guaranteed that the aerosol can cannot be leaked accidentally, operation is easy, safety is improved, and meanwhile reliability is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering blasting technical field especially relates to a blasting filling column. BACKGROUND

[0002] The blasting filling column is mainly used in blasting operation, is usually inserted into the hole pre-excavated on the rock wall or the like, and mainly functions to prevent energy generated by explosion of the explosive from leaking out of the hole during blasting, thereby improving blasting efficiency and reducing possible safety hazards during blasting, such as damage to the surrounding environment and personnel caused by flying stones and shock waves.

[0003] The existing blasting filling column has a rigid integrated structure, is large in size, occupies a large space during transportation and storage, and is thus small in quantity during transportation and storage, greatly increasing the cost of transportation and storage. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a blasting filling column, which mainly solves the problem of large size of the blasting filling column due to the rigid integrated structure.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a blasting filling column, comprising a filling column, a gas inflation pipe being threadedly connected to the top of the filling column, an aerosol can being fixedly connected to the end of the gas inflation pipe away from the filling column, a dropping rope being fixedly connected to the lower part of the filling column, a winding board being fixedly connected to the end of the dropping rope away from the filling column, a winding device being fixedly connected to the back of the winding board, the filling column comprising a column body, and a connecting head being fixedly connected to the top of the column body.

[0006] By adopting the above technical scheme, the filling column is provided with spiral corrugated pre-pressing creases on the outer side, is in a spiral folded state when not inflated, occupies a small space, is convenient for transportation and storage, and forms anti-skid lines along the blast hole wall after inflation, which can enhance friction, prevent displacement during blasting, and is higher in stability.

[0007] As a further description of the above technical scheme: the column body comprises an outer layer, the inner side of the outer layer is fixedly connected with a middle layer, and the inner side of the middle layer is fixedly connected with an inner layer.

[0008] By adopting the above technical scheme, the outer layer is made of a high-strength degradable woven bag, ensures tear resistance, the middle layer is made of a flexible airtight film, guarantees inflation sealing, and the inner layer is made of foamed silica gel, reduces damage to the filling column caused by blasting impact.

[0009] As a further description of the above technical solution: the aerosol tank comprises a gas outlet pipe fixedly connected to the inflation pipe away from the filling column, a through hole is arranged below the outer side of the gas outlet pipe, a limiting sleeve is fixedly connected to the outer side of the gas outlet pipe, a lifting plate is fixedly connected to the lower part of the gas outlet pipe, a guide column is movably connected to the inside of the lifting plate, a tank body is fixedly connected to the top and lower part of the guide column, a sealing spring is fixedly connected between the tank body and the lifting plate, a limiting shell is threadedly connected to the upper part of the outer side of the tank body, an electromagnetic valve is installed on the gas outlet pipe, and a sealing ring is fixedly connected to the upper part of the inner side of the tank body.

[0010] By adopting the above technical solution, the limiting shell can be rotated on the outside of the tank body by twisting the limiting shell, and the limiting shell can be lifted by forward rotation and reverse rotation, the limiting sleeve has a certain distance from the limiting shell by lowering the limiting shell, the limiting sleeve can drive the gas outlet pipe by pressing the limiting sleeve downward, thereby moving the lifting plate downward, and the gas can pass through the lifting plate under the action of gas pressure and enter the gas outlet pipe through the through hole, so that the gas can be filled into the filling column through the inflation pipe, and the gas outlet pipe can be prevented from descending when the limiting shell rises against the limiting sleeve, thereby preventing the aerosol tank from accidentally leaking during transportation, improving safety while ensuring reliability.

[0011] As a further description of the above technical solution: the outside of the drop rope is coated with a reflective coating.

[0012] By adopting the above technical solution, the reflective coating is provided to make it clearly visible at night or in weak light, with high visibility, improving operation precision and safety, the drop rope is provided with an electronic scale sensor, which automatically records the depth during lowering and displays it on the terminal, avoiding manual marking errors.

[0013] As a further description of the above technical solution: the winding board comprises a board body fixedly connected to the end of the drop rope away from the filling column, a plug block is fixedly connected to the front side of the board body, a clamping block is movably connected to the inside of the plug block, a return spring is fixedly connected between the plug block and the clamping block, and a first clamping groove is arranged on the rear side of the inside of the board body.

[0014] By adopting the above technical solution, the plug block of one winding board is inserted into the rear side of another winding board, the clamping block can be retracted into the plug block by extrusion, thereby enabling the plug block to be completely inserted into another winding board, and the clamping block can be clamped into the first clamping groove of another winding board under the action of the return spring after complete insertion, thereby enabling two winding boards to be connected together, and this operation can enable multiple winding boards to be connected together, facilitating assembly of the number of winding boards according to the length of the drop rope, and adapting to the demand for super-deep blast holes.

[0015] As a further description of the above technical solution: the winding device comprises a fixed block fixedly connected to the front side of the winding plate, a second clamping groove is arranged in the fixed block, a rotating column is fixedly connected to the rear side of the fixed block, a fixed shell is movably connected to the outer side of the rotating column, a clock spring is fixedly connected between the fixed shell and the rotating column, a rotating disc is fixedly connected to the front side of the rotating column, a rotating handle is fixedly connected to the front side of the rotating disc, and a jacking bolt is threadedly connected to the inside of the rotating disc.

[0016] By adopting the above technical solution, the rotating handle can drive the rotating disc to make the rotating column rotate, so that the fixed block can drive the winding plate to rotate, and the dropping rope can be unwound. After being placed at the designated position, the jacking bolt is tightened to fix the position of the rotating disc, so that the rotating column and the fixed shell cannot rotate relative to each other, thereby ensuring the stability of the placement depth of the dropping rope. When it is needed to be wound up, the jacking bolt is loosened, and the rotating column can rotate in the opposite direction under the action of the clock spring, thereby driving the winding plate to wind up the dropping rope, and the time for manual winding is reduced.

[0017] Through the above technical solution, the utility model at least has the following beneficial effects:

[0018] 1. Compared with the prior art, the blasting filling column has the filling column, which is beneficial to reduce the occupied space of the filling column. The outer side of the filling column is provided with a spiral corrugated pre-pressing crease. When not inflated, it is in a spiral folded state, so that the occupied space is smaller, facilitating transportation and storage. After inflation, anti-skid lines are formed along the blast hole wall, which can enhance friction and prevent displacement during blasting, and has higher stability.

[0019] 2. Compared with the prior art, the blasting filling column is provided with an aerosol tank, which is beneficial to prevent accidental leakage of the aerosol tank. By rotating the limiting shell, the limiting shell can be rotated outside the tank body. By forward rotation and reverse rotation, the limiting shell can be lifted and lowered. By lowering the limiting shell, a certain distance is formed between the limiting sleeve and the limiting shell. By pressing the limiting sleeve downward, the gas pipe can be driven, and the lifting plate can be driven to move downward. Under the action of air pressure, the gas can pass through the lifting plate and enter the gas pipe through the through hole. The gas can be filled into the filling column through the inflation pipe. When the limiting shell rises and presses against the limiting sleeve, the gas pipe is prevented from descending, thereby preventing accidental leakage of the aerosol tank during transportation, improving safety and ensuring reliability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model provides an overall structure diagram of a blasting filling column;

[0021] Figure 2 The utility model provides a filling column cross section structure diagram of a blasting filling column;

[0022] Figure 3 A cross section structure schematic view of the aerosol can of the explosive filling column is provided in the utility model;

[0023] Figure 4 A cross section structure schematic view of the winding board of the explosive filling column is provided in the utility model;

[0024] Figure 5 A cross section structure schematic view of the winding device of the explosive filling column is provided in the utility model.

[0025] Legend:

[0026] 1, filling column; 101, column body; 1011, outer layer; 1012, middle layer; 1013, inner layer; 102, connecting head; 2, aerosol can; 201, can body; 202, sealing spring; 203, guide column; 204, sealing ring; 205, limiting sleeve; 206, electromagnetic valve; 207, gas outlet pipe; 208, limiting shell; 209, through hole; 210, lifting plate; 3, inflation pipe; 4, dropping rope; 5, winding board; 501, board body; 502, first clamping groove; 503, return spring; 504, plug; 505, clamping block; 6, winding device; 601, fixed shell; 602, clock spring; 603, rotating column; 604, second clamping groove; 605, fixed block; 606, rotating disc; 607, rotating handle; 608, jacking bolt. DETAILED DESCRIPTION

[0027] Reference Figures 1-5 The utility model provides a kind of explosive filling column provided in the utility model: including filling column 1, the top of filling column 1 is threadedly connected with inflation pipe 3, inflation pipe 3 is fixedly connected with aerosol can 2 away from filling column 1 one end, filling column 1 is fixedly connected with dropping rope 4 in lower part, dropping rope 4 is fixedly connected with winding board 5 away from filling column 1 one end, winding board 5 is fixedly connected with winding device 6 in rear side, filling column 1 includes column body 101, the top of column body 101 is fixedly connected with connecting head 102, screw hole is equipped in the inside of connecting head 102, and inflation pipe 3 is equipped with the screw thread of being adapted with screw hole at the joint, so that inflation pipe 3 can be fixed on connecting head 102 and be inflated, and by being equipped with the feed pipe of being adapted with connecting head 102, explosive can be input into filling column 1, and by being equipped with the bolt of being adapted, connecting head 102 can be sealed, and the outer side of filling column 1 is equipped with the pre-pressing crease of spiral corrugation, in unexpanded, it is spiral folded shape, so that the space occupied is smaller, convenient for transportation storage, and after inflation, anti-skid line is formed along blast hole wall, can enhance friction, prevent displacement when blasting, and higher stability.

[0028] Further, the column 101 comprises an outer layer 1011, the inner side of the outer layer 1011 is fixedly connected with a middle layer 1012, the inner side of the middle layer 1012 is fixedly connected with an inner layer 1013, the outer layer 1011 is made of a high-strength degradable woven bag, which ensures tear resistance, the middle layer 1012 is made of a flexible air-tight film, which guarantees inflation sealing, and the inner layer 1013 is made of foamed silica gel, which reduces the damage of the blast impact to the filling column 1.

[0029] Further, the aerosol can 2 comprises an air outlet pipe 207 fixedly connected to the inflation pipe 3 away from the filling column 1, a through hole 209 is arranged below the outer side of the air outlet pipe 207, a limiting sleeve 205 is fixedly connected to the outer side of the air outlet pipe 207, a lifting plate 210 is fixedly connected to the lower part of the air outlet pipe 207, the lifting plate 210 can be lifted on the outer side of the guide column 203, and a sealing gasket is arranged on the top of the lifting plate 210 to ensure the sealing between the lifting plate 210 and the can body 201, and a slot is arranged in the inside of the lifting plate 210 and the sealing gasket for gas to pass through, when the lifting plate 210 is lowered, the gas in the inside of the can body 201 can pass through the slot and enter the air outlet pipe 207 through the through hole 209, the guide column 203 is movably connected in the inside of the lifting plate 210, the can body 201 is fixedly connected to the top and the lower part of the guide column 203, a sealing spring 202 is fixedly connected between the can body 201 and the lifting plate 210, a limiting shell 208 is threadedly connected to the upper part of the outer side of the can body 201, an electromagnetic valve 206 is arranged on the air outlet pipe 207, a sealing ring 204 is fixedly connected to the upper part of the inner side of the can body 201, threads are arranged on the upper part of the outer side of the can body 201, a screw groove matching with the threads is arranged in the inside of the limiting shell 208, the limiting shell 208 can be rotated on the outer side of the can body 201 by screwing the limiting shell 208, and the limiting shell 208 can be lifted by forward rotation and reverse rotation, when the limiting shell 208 is lowered, the limiting sleeve 205 has a certain distance with the limiting shell 208, and the limiting sleeve 205 can drive the air outlet pipe 207 and the lifting plate 210 to move downward by pressing the limiting sleeve 205 downward, under the action of air pressure, the gas can pass through the lifting plate 210 and enter the air outlet pipe 207 through the through hole 209, so that the gas can be filled into the filling column 1 through the inflation pipe 3, when the limiting shell 208 rises and presses against the limiting sleeve 205, the air outlet pipe 207 is prevented from descending, and the aerosol can 2 is prevented from accidental leakage during transportation, which improves safety and reliability, and the aerosol can 2 is provided with an integrated micro air pressure sensor and the electromagnetic valve 206, which can automatically stop the release of gas when the filling column 1 is inflated to a preset pressure, avoiding excessive inflation leading to rupture or insufficient filling, and the aerosol can 2 is provided with a wireless communication module, which can be connected to a terminal through Bluetooth, and can display the internal air pressure and inflation state of the filling column 1 in real time, ensuring the consistency of filling of multiple blast holes.

[0030] Further, the outer side of the delivery rope 4 is coated with a reflective coating. The reflective coating makes the delivery rope 4 visible at night or in weak light, thereby improving the operation precision and safety. The delivery rope 4 is provided with an electronic scale sensor. The depth is automatically recorded during lowering, and the terminal displays the depth, thereby avoiding manual marking errors.

[0031] Further, the winding board 5 includes a plate body 501 fixedly connected to the end of the delivery rope 4 away from the filling column 1. The front side of the plate body 501 is fixedly connected with an insertion block 504. The insertion block 504 is movably connected with a clamping block 505. The clamping block 505 can move in the insertion block 504. A return spring 503 is fixedly connected between the insertion block 504 and the clamping block 505. The rear side of the plate body 501 is provided with a first clamping groove 502. The insertion block 504 of one winding board 5 is inserted into the rear side of another winding board 5. The clamping block 505 is pressed to be retracted into the insertion block 504. The insertion block 504 is completely inserted into the other winding board 5. The clamping block 505 is clamped into the first clamping groove 502 of the other winding board 5 under the action of the return spring 503. The two winding boards 5 are connected together. The plurality of winding boards 5 can be connected together. The number of winding boards 5 can be assembled according to the length of the delivery rope 4. The super-deep blast hole requirement is met.

[0032] Further, the winding device 6 includes a fixed block 605 fixedly connected to the front side of the winding board 5. The fixed block 605 is provided with a second clamping groove 604 for clamping the clamping block 505. The rear side of the fixed block 605 is fixedly connected with a rotating column 603. The outer side of the rotating column 603 is movably connected with a fixed shell 601. The rotating column 603 and the fixed shell 601 can relatively rotate. The fixed shell 601 and the rotating column 603 are fixedly connected with a clockwork spring 602. The front side of the rotating column 603 is fixedly connected with a rotating disc 606. The front side of the rotating disc 606 is fixedly connected with a rotating handle 607. The rotating disc 606 is internally threadedly connected with a jacking bolt 608. The rotating handle 607 drives the rotating disc 606 to rotate the rotating column 603, so that the fixed block 605 drives the winding board 5 to rotate, and the delivery rope 4 is unwound. After being placed at a specified position, the jacking bolt 608 is tightened to fix the position of the rotating disc 606. The rotating column 603 and the fixed shell 601 do not relatively rotate, thereby ensuring the stability of the placement depth of the delivery rope 4. When it is needed to be wound up, the jacking bolt 608 is loosened. The rotating column 603 is rotated in the opposite direction under the action of the clockwork spring 602, thereby driving the winding board 5 to wind up the delivery rope 4. The time for manual winding is reduced.

[0033] Working principle: when using, the limiting shell 208 is twisted to rotate outside the tank body 201, and the limiting shell 208 is lifted and lowered through forward rotation and reverse rotation, the limiting sleeve 205 has a certain distance with the limiting shell 208 through lowering the limiting shell 208, the gas outlet pipe 207 is pressed down to drive the lifting plate 210 to move downward, under the action of air pressure, the gas can pass through the lifting plate 210, and pass through the through hole 209 into the gas outlet pipe 207, so that the gas can be filled into the filling column 1 through the inflation pipe 3, after inflation is completed, the inflation pipe 3 is unscrewed, the explosive is filled quickly and sealed, then the filling column 1 is put into the blast hole through the throwing rope 4 and the winding device 6, the outer layer 1011 is made of high-strength degradable woven bag, which ensures the tear resistance, the middle layer 1012 is made of flexible airtight film, which ensures the expansion sealing property, and the inner layer 1013 is made of foamed silica gel, which reduces the damage of blasting impact to the filling column 1.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A blasting column comprising a column (1) characterized in that: The top of the filling column (1) is threadedly connected with an inflation pipe (3), one end of the inflation pipe (3) away from the filling column (1) is fixedly connected with an aerosol can (2), the lower part of the filling column (1) is fixedly connected with a throwing rope (4), one end of the throwing rope (4) away from the filling column is fixedly connected with a winding board (5), the rear side of the winding board (5) is fixedly connected with a winding device (6), the filling column (1) comprises a column body (101), and the top of the column body (101) is fixedly connected with a connecting head (102).

2. A blasting column according to claim 1, characterized in that: The column body (101) comprises an outer layer (1011), the inner side of the outer layer (1011) is fixedly connected with a middle layer (1012), and the inner side of the middle layer (1012) is fixedly connected with an inner layer (1013).

3. A blasting column according to claim 1, characterized in that: The aerosol can (2) comprises a gas outlet pipe (207) fixedly connected to the end of the inflation pipe (3) away from the filling column (1), a through hole (209) is arranged below the outer side of the gas outlet pipe (207), a limiting sleeve (205) is fixedly connected to the outer side of the gas outlet pipe (207), a lifting plate (210) is fixedly connected to the lower part of the gas outlet pipe (207), a guide column (203) is movably connected to the inside of the lifting plate (210), a can body (201) is fixedly connected to the top and the lower part of the guide column (203), a sealing spring (202) is fixedly connected between the can body (201) and the lifting plate (210), a limiting shell (208) is threadedly connected to the upper side of the outer side of the can body (201), an electromagnetic valve (206) is arranged on the gas outlet pipe (207), and a sealing ring (204) is fixedly connected to the upper side of the inner side of the can body (201).

4. A blasting column according to claim 1, characterized in that: The outer side of the throwing rope (4) is coated with a reflective coating.

5. A blasting column according to claim 1, characterized in that: The winding board (5) comprises a board body (501) fixedly connected to the end of the throwing rope (4) away from the filling column (1), a plug block (504) is fixedly connected to the front side of the board body (501), a clamping block (505) is movably connected to the inside of the plug block (504), a return spring (503) is fixedly connected between the plug block (504) and the clamping block (505), and a first clamping groove (502) is arranged on the rear side of the inside of the board body (501).

6. A blasting column according to claim 1, characterized in that: The winding device (6) comprises a fixed block (605) fixedly connected to the front side of the winding board (5), a second clamping groove (604) is arranged in the inside of the fixed block (605), a rotating column (603) is fixedly connected to the rear side of the fixed block (605), a fixed shell (601) is movably connected to the outer side of the rotating column (603), a clockwork spring (602) is fixedly connected between the fixed shell (601) and the rotating column (603), a rotating disc (606) is fixedly connected to the front side of the rotating column (603), a rotating handle (607) is fixedly connected to the front side of the rotating disc (606), and a jacking bolt (608) is threadedly connected to the inside of the rotating disc (606).