A blasting hole anti-blocking device and construction method

Abstract

The application discloses a blasting hole anti-blocking device and a construction method, and belongs to the technical field of blasting hole anti-blocking devices, which comprises an anti-blocking cylinder and a jacket, wherein the anti-blocking cylinder comprises a plurality of vertical plates which are mutually attached to form the anti-blocking cylinder, the angle between the contact surfaces on the two sides of the vertical plate is greater than 0° and less than 90°, the jacket comprises a plurality of clamping plates, the plurality of clamping plates are connected through first positioning plates and connecting rods, the first positioning plates are fixed on the clamping plates, adjacent first positioning plates are connected through connecting rods, the connecting rods and the first positioning plates are connected through screws, and the bottom of the vertical plate is rotatably installed with a bottom plate through a rotating shaft. The anti-blocking cylinder can be pulled out in sections, the safety performance is improved, and the filling material is not uneven, the bottom of the blast hole is also protected when the anti-blocking device is used, the combined round plate can also extrude the filling material, and the use is more convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to a blasting hole anti-blocking device and construction method, belonging to the technical field of blasting hole anti-blocking. BACKGROUND

[0002] During blasting construction, holes need to be drilled for filling explosives. In order to improve the blasting effect, multiple blast holes need to be set. When blasting, better blasting effect can be achieved. Therefore, when open-air blasting, the blast hole needs to be protected to prevent a large amount of debris from falling inside the blast hole and weakening the blasting effect. The traditional anti-blocking device can only block the debris on the hole wall of the blast hole, and there are also a large amount of debris at the bottom of the blast hole, which affects the blasting effect. SUMMARY

[0003] The main purpose of the present application is to solve the problem that the traditional anti-blocking device can only block the debris on the hole wall of the blast hole, and there are also a large amount of debris at the bottom of the blast hole, which affects the blasting effect, and to provide a blasting hole anti-blocking device and construction method.

[0004] The purpose of the present application can be achieved by adopting the following technical scheme:

[0005] A blasting hole anti-blocking device, comprising an anti-blocking cylinder and a jacket, the anti-blocking cylinder comprising a plurality of vertical plates that are mutually attached, the angle between the contact surfaces on both sides of the vertical plate being greater than 0° and less than 90°, the jacket comprising a plurality of clamping plates, the plurality of clamping plates being connected by a first positioning plate and a connecting rod, the first positioning plate being fixed on the clamping plate, adjacent first positioning plates being connected by a connecting rod, the connecting rod and the first positioning plate being connected by a screw, the bottom of the vertical plate being rotatably installed with a bottom plate by a rotating shaft.

[0006] Preferably, the angle between the contact surfaces on both sides of the vertical plate is 10°.

[0007] Preferably, the rotating shaft is installed on the inside of the contact between the bottom plate and the vertical plate, and the bottom plates of the plurality of vertical plates are combined into a circular plate shape.

[0008] Preferably, a spring is provided between the vertical plate and the bottom plate, and a groove for placing the spring is provided at the bottom of the vertical plate.

[0009] Preferably, an elastic protective layer is provided on the outside of the spring.

[0010] Preferably, a traction cable that penetrates the vertical plate is installed on the top of the bottom plate.

[0011] Preferably, a top plate is installed on the top of the clamping plate by a support column.

[0012] Preferably, the bottom of the top plate is fixedly provided with a locking plate, the bottom of the locking plate is provided with a plurality of cable plates, the bottom of the locking plate is provided with a pull plate on one side of the cable plate, the bottom of the cable plate is provided with a cable sleeve, the cable plate is provided with a guide hole, and the pull plate is inserted into the guide hole through a guide rod.

[0013] Preferably, the first positioning plate is provided with a screw, and the screw is provided with a second positioning plate at one end of the first positioning plate.

[0014] A blasting hole anti-blocking device and construction method, comprising the following steps:

[0015] Step 1: sequentially insert the vertical plate into the clamping sleeve, then extrude and fix the vertical plate through the second positioning plate, after fixing, install the vertical plate into the blast hole and adhere to the inner wall of the blast hole to prevent the falling of the debris, and the circular plate composed of a plurality of bottom plates is used to close the bottom of the blast hole;

[0016] Step 2: during loading, pull the top plate, then pull out the one end, pull the bottom plate through the pull plate, loosen, and under the action of the spring, the bottom plate returns to the original position.

[0017] The blasting hole anti-blocking device and construction method according to the present application can pull out the anti-blocking cylinder in sections, place the accidentally falling sundries in the filling process, improve the safety performance, and reduce the uneven filling material; through the setting of the plurality of bottom plates, the bottom of the blast hole can be protected during use, and the combined circular plate can also extrude the filling material, so that the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0019] Figure 2 It is a schematic diagram of the overall bottom plate of the present application;

[0020] Figure 3 It is a schematic diagram of the anti-blocking cylinder and bottom plate connection structure of the present application;

[0021] Figure 4 It is a schematic diagram of the clamping plate structure of the present application;

[0022] Figure 5 It is a schematic diagram of the locking plate structure of the present application;

[0023] Figure 6 It is a schematic diagram of the clamping sleeve structure of the present application.

[0024] In the figure: 1, anti-blocking cylinder; 2, jacket; 3, first positioning plate; 4, support column; 5, top plate; 6, connecting rod; 7, bottom plate; 8, traction cable; 9, spring; 10, rotating shaft; 11, limiting block; 12, elastic protective layer; 13, second positioning plate; 14, locking plate; 15, cable plate; 16, pull plate; 17, screw. DETAILED DESCRIPTION

[0025] In order to make the technical solution of the present application more clear and explicit to those skilled in the art, the present application will be further described in detail below in conjunction with examples and drawings, but the embodiments of the present application are not limited thereto.

[0026] Example 1:

[0027] As Figures 1-6 shown in the embodiment, the anti-blocking device for blasting hole comprises an anti-blocking cylinder 1 and a jacket 2. The anti-blocking cylinder 1 is inserted into the blast hole, and then the jacket 2 is used for fixing. The anti-blocking cylinder 1 supports the wall of the blast hole, so that the soil and stones on the hole wall fall into the blast hole, thereby avoiding unnecessary troubles caused by loading explosives in the later period. The anti-blocking cylinder 1 comprises a plurality of vertical plates which are attached to each other. The plurality of vertical plates are fixed by the jacket 2. The angle between the contact surfaces on both sides of the vertical plate is greater than 0° and less than 90°. When the included angle is 10°, 36 vertical plates are needed to form a ring shape. Then, the jacket 2 is used to fix the ring shape formed by the plurality of vertical plates. The jacket 2 comprises a plurality of clamping plates. The plurality of clamping plates are connected by the first positioning plate 3 and the connecting rod 6. When connected, a ring shape is formed, which is convenient for clamping the anti-blocking cylinder 1. The first positioning plate 3 is fixed on the clamping plate. The adjacent first positioning plates 3 are connected by the connecting rod 6. The connecting rod 6 and the first positioning plate 3 are connected by the screw.

[0028] In the embodiment, as Figures 1-3 shown, the bottom of the vertical plate is rotatably installed with the bottom plate 7 through the rotating shaft 10. The rotating shaft 10 is installed on the inner side of the contact position between the bottom plate 7 and the vertical plate. The spring 9 is arranged between the vertical plate and the bottom plate 7. The spring 9 can conveniently pop up the bottom plate 7. The bottom of the vertical plate is provided with a groove for placing the spring 9. The top of the bottom plate 7 is provided with the traction cable 8 which penetrates the vertical plate. By pulling the traction cable 8, the bottom plate 7 can be pulled to rotate. The outer side of the spring 9 is provided with the elastic protective layer 12 which protects the spring 9 and prevents sundries from entering between the bottom plate 7 and the vertical plate. When the jacket 2 pulls the traction cable 8, the bottom plate 7 and the vertical plate are more closely attached to each other. The bottom plates 7 at the bottom of the plurality of vertical plates can be combined into a circular plate shape. When blocking, the bottom of the blast hole can be compacted, thereby further reducing the generation of stones.

[0029] In the embodiment, as Figures 4-6As shown, the top of the clamping plate is provided with a top plate 5 through a support 4, which is more convenient when lifting the device; the bottom of the top plate 5 is fixedly provided with a locking plate 14, the bottom of the locking plate 14 is provided with a plurality of cable plates 15, the bottom of the locking plate 14 is provided with a pulling plate 16 on one side of the cable plate 15, and the bottom of the cable plate 15 is provided with a cable sleeve, the cable plate 15 is provided with a guide hole, and the pulling plate 16 is inserted into the guide hole through a guide rod, so that the bottom plate 7 can be pulled more conveniently; the first positioning plate 3 is provided with a screw 17, and the screw 17 is provided with a second positioning plate 13 on one end of the first positioning plate 3; during installation, the single clamping plate is fixed in the clamping sleeve 2 through the screw 17 and the second positioning plate 13, the number of vertical plates installed in each clamping sleeve 2 can be adjusted as required, and the device can be more conveniently adapted to different environments and reduce the falling of hole wall stones when preventing the blast hole from being blocked.

[0030] Embodiment 2:

[0031] As Figures 1-6 The working process of the blasting hole anti-blocking device and the construction method provided by the embodiment is as follows:

[0032] According to the needs, the vertical plates are inserted into the clamping sleeve 2 in sequence, and then the vertical plates are fixed by extrusion through the second positioning plate 13, after the fixing is completed, the vertical plates are installed into the blast hole and are attached to the inner wall of the blast hole to prevent the falling of stones, and the circular plate formed by the plurality of bottom plates 7 closes the bottom of the blast hole, during filling, the top plate 5 is lifted, then the one end is lifted to a distance, the bottom plate 7 is pulled and rotated by pulling the pulling plate 16, after being loosened, the bottom plate 7 returns to the original position under the action of the spring 9.

[0033] In summary, in the embodiment, according to the blasting hole anti-blocking device and the construction method, the anti-blocking cylinder 1 can be pulled out in sections, the safety performance is improved, and the filling material is more uniform; by providing a plurality of bottom plates 7, the bottom of the blast hole can also be protected during use, and the combined circular plate can also extrude the filling material, so that the use is more convenient.

[0034] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A blast hole anti-clogging device, comprising an anti-clogging cylinder (1) and a jacket (2), characterized in that, The anti-blocking cylinder (1) consists of multiple vertical plates that are attached to each other. The angle between the contact surfaces on both sides of the vertical plates is greater than 0° and less than 90°. The sleeve (2) includes multiple clamping plates. The multiple clamping plates are connected to each other by a first positioning plate (3) and a connecting rod (6). The first positioning plate (3) is fixed on the clamping plate. Adjacent first positioning plates (3) are connected by a connecting rod (6). The connecting rod (6) is connected to the first positioning plate (3) by screws. The bottom of the vertical plate is rotatably mounted with a base plate (7) through a rotating shaft (10).

2. The blast hole anti-clogging device according to claim 1, characterized in that, The angle between the contact surfaces on both sides of the upright plate is 10°.

3. The blast hole anti-clogging device according to claim 1, characterized in that, The rotating shaft (10) is installed on the inner side of the contact point between the base plate (7) and the upright plate, and the base plates (7) at the bottom of the multiple upright plates are combined into a circular plate shape.

4. The blast hole anti-clogging device according to claim 1, characterized in that, A spring (9) is provided between the upright plate and the base plate (7), and a groove for placing the spring (9) is provided at the bottom of the upright plate.

5. The blast hole anti-clogging device according to claim 4, characterized in that, The spring (9) is provided with an elastic protective layer (12) on its outer side.

6. The blast hole anti-clogging device according to claim 1, characterized in that, A traction cable (8) is installed on the top of the base plate (7) and passes through the vertical plate.

7. The blast hole anti-clogging device according to claim 1, characterized in that, The top of the clamp is fitted with a top plate (5) via a support column (4).

8. The blast hole anti-clogging device according to claim 7, characterized in that, A locking plate (14) is fixedly installed at the bottom of the top plate (5). Multiple cable plates (15) are installed at the bottom of the locking plate (14). A pull plate (16) is installed at the bottom of the locking plate (14) on one side of the cable plate (15). A cable sleeve is installed at the bottom of the cable plate (15). A guide hole is opened on the cable plate (15). The pull plate (16) is inserted into the guide hole through a guide rod.

9. A blast hole anti-clogging device according to claim 1, characterized in that, A screw (17) is installed on the first positioning plate (3), and a second positioning plate (13) is installed on one end of the screw (17) that passes through the first positioning plate (3).

10. The blast hole anti-blocking device and construction method according to claim 8, characterized in that, Includes the following steps: Step 1: Insert the upright plates into the jacket (2) in sequence, and then press and fix the upright plates by the second positioning plate (13). After fixing, install the upright plates into the blast hole and fit them against the inner wall of the blast hole to prevent the gravel from falling. At the same time, the circular plate composed of multiple bottom plates (7) seals the bottom of the blast hole. Step 2: When filling, lift the top plate (5), and after lifting it a certain distance, pull the pull plate (16) to rotate the bottom plate (7). After releasing, the bottom plate (7) returns to its original position under the action of the spring (9).

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