CN214223891U - Downward blast hole blocking device - Google Patents
Downward blast hole blocking device Download PDFInfo
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- CN214223891U CN214223891U CN202022866188.1U CN202022866188U CN214223891U CN 214223891 U CN214223891 U CN 214223891U CN 202022866188 U CN202022866188 U CN 202022866188U CN 214223891 U CN214223891 U CN 214223891U
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- sleeve
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- main pipe
- umbrella
- auxiliary rod
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Abstract
The utility model discloses a down big gun hole blocks up device, comprising a main pipe, the axostylus axostyle has been inserted in the main pipe, the axostylus axostyle bottom is equipped with first umbelliform block structure, the person in charge overcoat is equipped with the sleeve pipe, the sleeve pipe bottom is equipped with the umbelliform block structure of second, the advantage: the length of first branch and second branch is greater than the radius of big gun hole for first umbelliform block structure and the umbelliform block structure of second expand the back, can effectively block at the big gun hole inner wall, shutoff big gun hole, flexible hourglass cover that hinders is net or cloth, prevents the seepage of thin material, and the first umbelliform block structure of double-deck and the umbelliform block structure of second effectively guarantee that big gun hole bottom is by the shutoff, and make the explosive stop, accomplish the purpose of loading, the simple easy starting of operation.
Description
The technical field is as follows:
the utility model relates to a hole technical field is beaten in the people's blasting, concretely relates to downward big gun hole blocking device.
Background art:
when the mine is blasted, the blast holes are vertical downward holes, and the lower parts of the blast holes penetrate through an ore body and are communicated with a bottoming space area or a goaf.
When carrying out the powder charge construction, need block up the lower extreme of downward big gun hole to guarantee during the powder charge that the explosive does not drop into the dead zone. The blast hole blocking operation cannot be carried out in the dead zone, so that the blast hole blocking construction operation becomes a difficult problem of downward blast hole charging construction.
The utility model has the following contents:
an object of the utility model is to provide a down big gun hole blocks up device.
The utility model discloses by following technical scheme implement:
the downward blast hole blocking device comprises a main pipe, wherein a shaft rod is inserted into the main pipe, a first umbrella-shaped blocking structure is arranged at the bottom end of the shaft rod, a sleeve is sleeved outside the main pipe, and a second umbrella-shaped blocking structure is arranged at the bottom end of the sleeve.
Preferably, the first umbrella-shaped plugging structure comprises a plurality of first supporting rods radially hinged to the bottom end of the main pipe, a first sleeve is sleeved on each first supporting rod in a sliding mode, a first auxiliary rod is correspondingly arranged below each first supporting rod, one end of each first auxiliary rod is hinged to the bottom end of each shaft rod, the other end of each first auxiliary rod is hinged to the bottom of the corresponding first sleeve, and a flexible leakage blocking cover covers the tops of the first supporting rods.
Preferably, a first limiting ring is fixedly sleeved on the shaft rod above the first auxiliary rod, a first spring is sleeved on the shaft rod between the first limiting ring and the bottom end of the main pipe, and two ends of the first spring are respectively fixed with the first limiting ring and the main pipe.
Preferably, the umbrella-shaped plugging structure of second articulates including being radially being a plurality of second branches on being responsible for, every sliding sleeve is equipped with the second sleeve on the second branch, every second branch top correspondence is equipped with a second auxiliary rod, every the one end of the second auxiliary rod with the sleeve pipe bottom is articulated, every the other end and the correspondence of the second auxiliary rod the second sleeve top is articulated, and is a plurality of the bottom of second branch covers there is the flexibility to hinder and leaks the cover.
Preferably, the second branch pole top be responsible for the cover and establish and be fixed with the second spacing ring, the second spacing ring with between the sleeve pipe bottom be responsible for and go up the cover and be equipped with the second spring, the second spring both ends respectively with the second spacing ring with the sleeve pipe is fixed.
Preferably, the length of the first supporting rod and the length of the second supporting rod are larger than the radius of the blast hole.
Preferably, the flexible leakage-proof cover is a net or cloth.
The utility model has the advantages that: the length of first branch and second branch is greater than the radius of big gun hole for first umbelliform block structure and the umbelliform block structure of second expand the back, can effectively block at the big gun hole inner wall, shutoff big gun hole, flexible hourglass cover that hinders is net or cloth, prevents the seepage of thin material, and the first umbelliform block structure of double-deck and the umbelliform block structure of second effectively guarantee that big gun hole bottom is by the shutoff, and make the explosive stop, accomplish the purpose of loading, the simple easy starting of operation.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the utility model discloses shutoff big gun hole.
In the figure: the flexible leakage-proof device comprises a main pipe 1, a shaft rod 2, a first umbrella-shaped plugging structure 3, a first supporting rod 3.1, a first sleeve 3.2, a first auxiliary rod 3.3, a sleeve 4, a second umbrella-shaped plugging structure 5, a second supporting rod 5.1, a second sleeve 5.2, a second auxiliary rod 5.3, a flexible leakage-proof cover 6, a first limiting ring 7, a first spring 8, a second limiting ring 9 and a second spring 10.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a downward blast hole blocking device comprises a main pipe 1, a shaft rod 2 is inserted into the main pipe 1, a first umbrella-shaped blocking structure 3 is arranged at the bottom end of the shaft rod 2, the first umbrella-shaped blocking structure 3 comprises a plurality of first support rods 3.1 which are radially hinged to the bottom end of the main pipe 1, a first sleeve 3.2 is slidably sleeved on each first support rod 3.1, a first auxiliary rod 3.3 is correspondingly arranged below each first support rod 3.1, one end of each first auxiliary rod 3.3 is hinged to the bottom end of the shaft rod 2, the other end of each first auxiliary rod 3.3 is hinged to the bottom of the corresponding first sleeve 3.2, flexible leakage-blocking covers 6 cover the tops of the first support rods 3.1, and the first umbrella-shaped blocking structure 3 can be folded downwards and unfolded upwards;
a first limiting ring 7 is fixedly sleeved on the shaft rod 2 above the first auxiliary rod 3.3, a first spring 8 is sleeved on the shaft rod 2 between the first limiting ring 7 and the bottom end of the main pipe 1, two ends of the first spring 8 are respectively fixed with the first limiting ring 7 and the main pipe 1, under the condition that the main pipe 1 is tightly limited, the first limiting ring 7 is pushed to drive the shaft rod 2 to move downwards through the elastic action of the first spring 8, the first auxiliary rod 3.3 is driven to be unfolded, the first sleeve 3.2 is driven to slide on the first support rod 3.1, the first support rod 3.1 is enabled to be unfolded, the first umbrella-shaped plugging structure 3 is enabled to be unfolded upwards, in the process of putting the device into a blast hole, the shaft rod 2 needs to be lifted upwards, and the first umbrella-shaped plugging structure 3 is enabled to be folded downwards;
the sleeve 4 is sleeved outside the main pipe 1, the bottom end of the sleeve 4 is provided with a second umbrella-shaped plugging structure 5, the second umbrella-shaped plugging structure 5 comprises a plurality of second support rods 5.1 which are radially hinged on the main pipe 1, a second sleeve 5.2 is slidably sleeved on each second support rod 5.1, a second auxiliary rod 5.3 is correspondingly arranged above each second support rod 5.1, one end of each second auxiliary rod 5.3 is hinged with the bottom end of the sleeve 4, the other end of each second auxiliary rod 5.3 is hinged with the top of the corresponding second sleeve 5.2, the bottoms of the second support rods 5.1 are covered with flexible leakage-resistant covers 6, and the second umbrella-shaped plugging structure 5 can realize upward folding and downward unfolding actions;
the main pipe 1 above the second branch 5.1 is sleeved with and fixed with a second limiting ring 9, the main pipe 1 between the second limiting ring 9 and the bottom end of the sleeve pipe 4 is sleeved with a second spring 10, two ends of the second spring 10 are respectively fixed with the second limiting ring 9 and the sleeve pipe 4, the second spring 10 is a tension spring, under the condition that the main pipe 1 is tightly held, the sleeve pipe 4 is pulled to move downwards through the contraction effect of the second spring 10, the second auxiliary rod 5.3 is driven to be unfolded, the second sleeve 5.2 is driven to slide on the second branch 5.1, the second branch 5.1 is enabled to be unfolded, the second umbrella-shaped plugging structure 5 is enabled to be unfolded downwards, in the process of putting the device into a blast hole, the sleeve pipe 4 needs to be lifted, and the second umbrella-shaped plugging structure 5 is enabled to be folded upwards.
The length of first branch 3.1 and second branch 5.1 is greater than the radius of big gun hole for first umbelliform block structure 3 and the expansion back of second umbelliform block structure 5 can effectively block at the big gun hole inner wall, shutoff big gun hole.
The flexible leakage-proof cover 6 is a net or cloth to prevent fine materials from leaking.
The working principle is as follows: when the utility model is used, the top end of the main pipe 1 is grasped, the shaft lever 2 and the sleeve 4 are lifted up, the shaft lever 2 is lifted up, the first spring 8 is compressed through the first limiting ring 7, the shaft lever 2 drives one end of the first auxiliary rod 3.3 to move upwards, the other end of the first auxiliary rod 3.3 drives the first sleeve 3.2 to slide on the first branch rod 3.1, so that the first branch rod 3.1 is folded downwards, and the first umbrella-shaped plugging structure 3 is in a folded state;
lifting the sleeve 4, stretching the second spring 10, driving one end of the second auxiliary rod 5.3 to move upwards by the sleeve 4, driving the second sleeve 5.2 to slide on the second supporting rod 5.1 by the other end of the second auxiliary rod 5.3, so that the second supporting rod 5.1 is folded upwards, and the second umbrella-shaped plugging structure 5 is in a folded state;
the first umbrella-shaped plugging structure 3 and the second umbrella-shaped plugging structure 5 are folded to be free from collision with the inner wall of the blast hole, the device is put into the bottom in the blast hole, the shaft rod 2 and the sleeve 4 are loosened, the first limiting ring 7 is pushed to drive the shaft rod 2 to move downwards under the elastic action of the first spring 8, the first auxiliary rod 3.3 is driven to be unfolded, the first sleeve 3.2 is driven to slide on the first support rod 3.1, the first support rod 3.1 is enabled to be unfolded, and the first umbrella-shaped plugging structure 3 is enabled to be unfolded upwards; the sleeve 4 is pulled to move downwards under the contraction action of the second spring 10, so that the second auxiliary rod 5.3 is driven to be unfolded and flattened, and the second umbrella-shaped plugging structure 5 is unfolded downwards;
the length of the first supporting rod 3.1 and the second supporting rod 5.1 is larger than the radius of a blast hole, so that after the first umbrella-shaped plugging structure 3 and the second umbrella-shaped plugging structure 5 are unfolded, the first umbrella-shaped plugging structure can be effectively clamped on the inner wall of the blast hole to plug the blast hole, the flexible leakage-blocking cover 6 is a net or cloth to prevent fine materials from leaking, after explosive is charged, the device is driven to sink due to gravity, the larger the unfolding degree of the first umbrella-shaped plugging structure 3 is, the larger the friction with the inner wall of the blast hole is, the better the blast hole can be plugged, and the upper explosive sinks to drive the second umbrella-shaped plugging structure 5 to be in an unfolded state, the larger the friction between the second umbrella-shaped plugging structure 5 and the inner wall of the blast hole is, the bottom of the blast hole can be better plugged, the explosive can be stopped by the double-layer first umbrella-shaped plugging structure 3 and the second umbrella-shaped plugging structure 5, the purpose of explosive filling is completed, and the.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The downward blast hole blocking device is characterized by comprising a main pipe, wherein a shaft rod is inserted into the main pipe, a first umbrella-shaped blocking structure is arranged at the bottom end of the shaft rod, a sleeve is sleeved outside the main pipe, and a second umbrella-shaped blocking structure is arranged at the bottom end of the sleeve.
2. A downhole stemming apparatus according to claim 1, wherein: the first umbrella-shaped plugging structure comprises a plurality of first supporting rods radially hinged to the bottom end of the main pipe, a first sleeve is sleeved on each first supporting rod in a sliding mode, a first auxiliary rod is correspondingly arranged below each first supporting rod, one end of each first auxiliary rod is hinged to the bottom end of each shaft rod, the other end of each first auxiliary rod corresponds to the bottom of each first sleeve in a hinged mode, and the tops of the first supporting rods are covered with flexible leakage blocking covers in a multiple mode.
3. A downhole stemming apparatus according to claim 2, wherein: the shaft lever above the first auxiliary rod is sleeved and fixed with a first limiting ring, the shaft lever between the first limiting ring and the bottom end of the main pipe is sleeved and fixed with a first spring, and two ends of the first spring are respectively fixed with the first limiting ring and the main pipe.
4. A downhole stemming apparatus according to claim 3, wherein: the umbrella-shaped plugging structure of second articulates including being radially being a plurality of second branches on being responsible for, every sliding sleeve is equipped with the second sleeve on the second branch, every second branch top correspondence is equipped with a second auxiliary rod, every the one end of second auxiliary rod with the sleeve pipe bottom is articulated, every the other end and the correspondence of second auxiliary rod the second sleeve top is articulated, and is a plurality of the bottom of second branch covers there is the flexibility to hinder and leaks the cover.
5. A downhole plugging device according to claim 4, wherein: the second branch top be responsible for and overlap to establish and be fixed with the second spacing ring, the second spacing ring with between the cover bottom end be responsible for and go up the cover and be equipped with the second spring, the second spring both ends respectively with the second spacing ring with the sleeve pipe is fixed.
6. A downhole plugging device according to claim 5, wherein: the length of the first supporting rod and the length of the second supporting rod are larger than the radius of a blast hole.
7. A downhole plugging device according to claim 6, wherein: the flexible leakage-proof cover is a net or cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866188.1U CN214223891U (en) | 2020-12-03 | 2020-12-03 | Downward blast hole blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866188.1U CN214223891U (en) | 2020-12-03 | 2020-12-03 | Downward blast hole blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214223891U true CN214223891U (en) | 2021-09-17 |
Family
ID=77700388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866188.1U Active CN214223891U (en) | 2020-12-03 | 2020-12-03 | Downward blast hole blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214223891U (en) |
-
2020
- 2020-12-03 CN CN202022866188.1U patent/CN214223891U/en active Active
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