Blasting directional impact structure capable of reducing base disturbance

Abstract

The utility model discloses a blasting directional impact structure for reducing base disturbance, which comprises an anti-impact structure and a blasting pipeline, the anti-impact structure is mounted on the inner bottom surface of the blasting pipeline, a sand layer is arranged below the blasting pipeline, a curved plate is arranged on the upper surface of the anti-impact structure, and the upper surface of the curved plate is semicircular. A pressure pipe is arranged on the lower portion in the anti-impact structure, a pressing column is arranged above the pressure pipe, an air bag is arranged below the pressure pipe, groove holes are formed in the lower portions of the left side and the right side of the anti-impact structure correspondingly, extrusion plates are installed in the groove holes, and the extrusion plates are located on the left side and the right side of the inner side of the blasting pipeline. Third springs are fixedly connected to the upper and lower positions of the inner side of the extrusion plate, and push plates are connected to the inner side ends of the third springs. According to the blasting directional impact structure capable of reducing the base disturbance, the blasting impact force is injected into the gas expansion airbag to buffer the impact force, meanwhile, the impact force is dispersed towards the left side and the right side, and the base is protected to reduce the disturbance.

Description

Technical Field

[0001] The utility model relates to the technical field of blasting, in particular to a blasting directional impact structure for reducing base disturbance. Background Art

[0002] In the existing blasting technical protection, there is a protective structure for reducing the propagation of blasting shock waves, such as the announcement number CN219037785U, whose technical solution is as follows: it includes a wave-blocking curtain body, the upper surface of the wave-blocking curtain body is fixedly connected with a fixing frame, the interior of the fixing frame is evenly threaded with a number of bolts, the surface of the wave-blocking curtain body is provided with a supporting structure for support, the supporting structure includes a number of evenly arranged semicircular rings, one side of the semicircular ring is fixedly connected with the wave-blocking curtain body, the inner wall of the semicircular ring is pierced with a support rod, the lower end of the support rod is threaded with a screw, the wave-blocking curtain body is an artificial leather cloth body, the interior is filled with sponge, the support rod is a high-strength steel rod, the screw is a high-strength steel rod, the lower end of the screw is fixedly connected with a fixing plate, and the lower surface of the fixing plate is fixedly connected with a number of anti-slip rings. The problem that the existing wave-blocking curtain has no solid supporting structure and is easily opened by the blasting shock wave is solved.

[0003] In order to protect the base from the disturbance of blasting impact force during the blasting process and to protect the base structure intact after the blasting, in view of this, in-depth research was conducted on the above-mentioned issues, which led to this case. Utility Model Content

[0004] The utility model aims to provide a blasting directional impact structure for reducing base disturbance, so as to solve the problem of protecting the base structure from blasting impact force during blasting process proposed in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A blasting directional impact structure for reducing base disturbance comprises an anti-impact structure and a blasting pipe, wherein the anti-impact structure is installed on the inner bottom surface of the blasting pipe, and there is a sand layer below the blasting pipe, a curved plate is arranged on the upper surface of the anti-impact structure, the upper surface of the curved plate is semicircular, and the curved plate is located above the inside of the blasting pipe, a pressure pipe is arranged below the inside of the anti-impact structure, a pressure column is arranged above the pressure pipe, and an air bag is arranged below the pressure pipe, slots are opened below the left and right sides of the anti-impact structure, and an extrusion plate is installed inside the slots, the extrusion plate is located on the left and right sides of the inner side of the blasting pipe, and a third spring is fixedly connected and installed at the upper and lower positions of the inner side of the extrusion plate, and a push plate is connected and installed at the inner end of the third spring.

[0007] Preferably, a first spring is fixedly installed at the bottom of each curved plate, and three first springs are provided, and the bottom of the first spring is fixedly connected to the upper surface of the pressure column.

[0008] By adopting the above technical solution, when the explosives located above the anti-shock structure inside the blasting pipe are blasted, the downward impact force touches the curved panel. After the first spring provides a certain elastic support, the pressure column can be pushed downward at the same time when the pressure is large.

[0009] Preferably, a sliding rod is installed inside the left and right sides of the bottom edge of the pressure column, and the bottom of the sliding rod is fixedly connected to the left and right sides of the inner edge of the upper surface of the pressure tube, a second spring is installed outside the sliding rod, and the upper end of the second spring is connected to the bottom surface of the pressure column, and the lower end of the second spring is connected to the upper surface of the pressure tube.

[0010] By adopting the above technical solution, when the second spring is in a natural state, the pressure column remains located at an upper position of the pressure tube, and only when the pressure column is impacted and moves downward, the second spring is in a contracted state.

[0011] Preferably, a pressure plug is fixedly installed at the bottom end of the pressure column, and the pressure plug is located inside the pressure tube, and an air bag is connected and installed at the bottom of the pressure tube.

[0012] By adopting the above technical solution, when the pressure column moves downward under impact, it drives the pressure plug to inject gas into the airbag in the pressure tube, causing the airbag to expand in the sand layer. The sand layer produces wave impedance to the expansion of the airbag, causing the expansion wave to rebound and protect the base structure at the bottom of the sand layer.

[0013] Preferably, spur racks are fixedly installed on the left and right sides of the pressure column, and transmission gears are connected and installed on the outer sides of the left and right sides of the spur racks, and the transmission gears are rotatably connected to the front and rear sides inside the anti-impact structure through a rotating shaft.

[0014] By adopting the above technical solution, when the pressure column moves downward due to the impact force, it drives the spur rack to move downward, contacts the transmission gear and drives it to rotate, thereby providing mechanical coupling force for the extrusion plate to absorb the expansion wave and propagate it to the left and right sides.

[0015] Preferably, a transmission belt is connected and installed below the transmission gear, and a first bevel gear is connected and installed below the transmission belt, and a second bevel gear is connected and installed on the front side of the first bevel gear through tooth patterns.

[0016] By adopting the above technical solution, when the transmission gear rotates, the first bevel gear and the second bevel gear are driven to rotate simultaneously through the action of the transmission belt, thereby providing mechanical coupling force for the left and right movement of the push plate.

[0017] Preferably, a threaded sleeve is installed on the outer side of the second bevel gear, and a threaded rod is installed on the inner side of the threaded sleeve through thread connection, and a push plate is installed on the outer side of the threaded rod, and the upper and lower edges of the push plate are connected to the inside of the slot hole below the impact protection structure.

[0018] By adopting the above technical solution, when the second bevel gear rotates, it also drives the threaded sleeve to rotate, and then the threaded rod connected by thread drives the push plate to move left and right inside the slot, so that the impact force can be shared on the left and right sides. The extrusion plate is formed into a support body through the third spring to evenly disperse the blasting impact force.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the blasting directional impact structure for reducing base disturbance,

[0020] 1. An airbag is provided. A pressure plug is fixedly installed at the bottom of the pressure column, and the pressure plug is located inside the pressure tube. The airbag is connected and installed at the bottom of the pressure tube. When the pressure column is impacted and moves downward, it drives the pressure plug to inject gas into the airbag in the pressure tube, so that the airbag expands in the sand layer. The sand layer generates wave impedance to the expansion of the airbag, so that the expansion wave rebounds and protects the base structure at the bottom of the sand layer;

[0021] 2. An extrusion plate is provided to disperse the impact force. A threaded sleeve is installed on the outer side of the second bevel gear, and a threaded rod is installed on the inner side of the threaded sleeve through a thread connection. A push plate is installed on the outer side of the threaded rod, and the upper and lower edges of the push plate are connected to the inner side of the slot hole below the anti-impact structure. When the second bevel gear rotates, the threaded sleeve is driven to rotate at the same time, and then the threaded rod with a thread connection drives the push plate to move left and right inside the slot hole, so that the impact force can be shared on the left and right sides. The extrusion plate is formed into a support body through the third spring to evenly disperse the blasting impact force. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front sectional structural schematic diagram of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 This is a schematic diagram of the main structure of the impact-proof structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the connection structure between the pressure column and the pressure pipe of the utility model;

[0026] Figure 5 It is a schematic diagram of the connection structure of the threaded sleeve and the threaded rod of the utility model.

[0027] In the figure: 1. anti-impact structure; 2. blasting pipe; 3. sand layer; 4. curved plate; 5. first spring; 6. pressure column; 7. pressure plug; 8. pressure pipe; 9. slide bar; 10. second spring; 11. air bag; 12. spur rack; 13. transmission gear; 14. transmission belt; 15. first bevel gear; 16. second bevel gear; 17. threaded sleeve; 18. threaded rod; 19. push plate; 20. third spring; 21. extrusion plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 , the utility model provides a technical solution:

[0030] A blasting directional impact structure for reducing base disturbance comprises an impact-proof structure 1 and a blasting pipe 2, wherein the impact-proof structure 1 is installed on the inner bottom surface of the blasting pipe 2, and a sand layer 3 is provided below the blasting pipe 2, a curved panel 4 is provided on the upper surface of the impact-proof structure 1, the upper surface of the curved panel 4 is semicircular, and the curved panel 4 is located above the inside of the blasting pipe 2, a pressure pipe 8 is provided below the inside of the impact-proof structure 1, a pressure column 6 is provided above the pressure pipe 8, and an air bag 11 is provided below the pressure pipe 8, slots are provided below the left and right sides of the impact-proof structure 1, and an extrusion plate 21 is installed inside the slot, the extrusion plate 21 is located on the left and right sides of the inner side of the blasting pipe 2, and a third spring 20 is fixedly connected and installed at the upper and lower positions inside the extrusion plate 21, and a push plate 19 is connected and installed at the inner end of the third spring 20.

[0031] The first spring 5 is fixedly installed at the bottom of the curved plate 4, and three first springs 5 ​​are provided, and the bottom of the first spring 5 is fixedly connected to the upper surface of the pressure column 6. When the explosives located above the anti-shock structure 1 inside the blasting pipe 2 are blasted, the downward impact force touches the curved plate 4, and after the first spring 5 plays a certain elastic support, the pressure column 6 can be pushed downward at the same time when the pressure is large.

[0032] Slide bars 9 are installed inside the left and right sides of the bottom edge of the pressure column 6, and the bottom of the slide bar 9 is fixedly connected to the left and right sides of the inner edge of the upper surface of the pressure tube 8. A second spring 10 is installed outside the slide bar 9, and the upper end of the second spring 10 is connected to the bottom surface of the pressure column 6, and the lower end of the second spring 10 is connected to the upper surface of the pressure tube 8. A pressure plug 7 is fixedly installed at the bottom of the pressure column 6, and the pressure plug 7 is located inside the pressure tube 8, and an air bag 11 is connected and installed at the bottom of the pressure tube 8. When the second spring 10 is in a natural state, the pressure column 6 remains in the upper position of the pressure tube 8, and the second spring 10 is in a contracted state only when the pressure column 6 is impacted and moves downward. When the pressure column 6 is impacted and moves downward, it drives the pressure plug 7 to inject gas into the air bag 11 in the pressure tube 8, so that the air bag 11 expands in the sand layer 3, and the sand layer 3 produces wave impedance to the expansion of the air bag 11, so that the expansion wave rebounds, protecting the base structure at the bottom of the sand layer 3.

[0033] Spur racks 12 are fixedly installed on the left and right sides of the pressure column 6, and transmission gears 13 are connected and installed on the outer sides of the left and right sides of the spur racks 12, and the transmission gears 13 are rotatably connected to the front and rear sides of the anti-impact structure 1 through a rotating shaft. A transmission belt 14 is connected and installed below the transmission gear 13, and a first bevel gear 15 is connected and installed below the transmission belt 14, and a second bevel gear 16 is connected and installed on the front side of the first bevel gear 15. A threaded sleeve 17 is installed on the outer side of the second bevel gear 16, and a threaded rod 18 is installed on the inner thread of the threaded sleeve 17, and a push plate 19 is connected and installed on the outer side of the threaded rod 18, and the upper and lower edges of the push plate 19 are connected to the inner slot of the lower anti-impact structure 1. When the pressure column 6 is moved downward by the impact force, it drives the spur rack 12 to move downward, contacts the transmission gear 13 and drives it to rotate, thereby providing mechanical linkage force for the absorption of the expansion wave by the extrusion plate 21 for propagation on both sides. When the transmission gear 13 rotates, the first bevel gear 15 and the second bevel gear 16 are driven to rotate by the action of the transmission belt 14, providing mechanical linkage force for the left and right movement of the push plate 19. When the second bevel gear 16 rotates, it also drives the threaded sleeve 17 to rotate, and then the threaded rod 18 connected by thread drives the push plate 19 to move left and right inside the slot, which can share the impact force on the left and right sides. The squeezing plate 21 is supported by the third spring 20 to evenly disperse the blasting impact force.

[0034] Working principle:

[0035] When the utility model is in use, when the explosives located above the anti-shock structure 1 inside the blasting pipe 2 are blasted, the downward impact force thereof touches the curved plate 4, and after the first spring 5 plays a certain elastic support, the pressure column 6 can be pushed downward at the same time when the pressure is relatively large; when the second spring 10 is in a natural state, the pressure column 6 remains located at the upper position of the pressure pipe 8, and only when the pressure column 6 is impacted and moves downward, the second spring 10 is in a contracted state; when the pressure column 6 is impacted and moves downward, it drives the pressure plug 7 to inject gas into the airbag 11 in the pressure pipe 8, so that the airbag 11 expands in the sand layer 3, and the sand layer 3 Wave impedance is generated for the expansion of the airbag 11, so that the expansion wave rebounds and protects the base structure at the bottom of the sand layer 3; when the pressure column 6 moves downward under the impact force, it drives the spur rack 12 to move downward, contacts the transmission gear 13 and drives it to rotate, and through the action of the transmission belt 14, it drives the first bevel gear 15 and the second bevel gear 16 to rotate at the same time, and drives the threaded sleeve 17 to rotate, and then the threaded rod 18 connected by thread drives the push plate 19 to move left and right inside the slot, which can share the impact force on the left and right sides, and the extrusion plate 21 is formed into a support body through the third spring 20 to evenly disperse the blasting impact force.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blasting directional impact structure for reducing base disturbance, comprising an anti-impact structure (1) and a blasting pipeline (2), characterized in that: The impact-proof structure (1) is installed on the bottom surface of the blasting pipe (2), and there is a sand layer (3) below the blasting pipe (2). A curved panel (4) is arranged on the upper surface of the impact-proof structure (1), and the upper surface of the curved panel (4) is semicircular, and the curved panel (4) is located above the inside of the blasting pipe (2). A pressure pipe (8) is arranged below the inside of the impact-proof structure (1), and a pressure column (6) is arranged above the pressure pipe (8), and an air bag (11) is arranged below the pressure pipe (8). Slots are provided below the left and right sides of the impact-proof structure (1), and an extrusion plate (21) is installed inside the slot. The extrusion plate (21) is located on the left and right sides of the inside of the blasting pipe (2), and a third spring (20) is fixedly connected and installed at the upper and lower positions inside the extrusion plate (21), and a push plate (19) is connected and installed at the inner end of the third spring (20).

2. A blasting directional impact structure for reducing base disturbance according to claim 1, characterized in that: A first spring (5) is fixedly mounted on the bottom of each curved plate (4), three first springs (5) are provided, and the bottom of the first spring (5) is fixedly connected to the upper surface of the pressure column (6).

3. A blasting directional impact structure for reducing base disturbance according to claim 2, characterized in that: A sliding rod (9) is installed inside the left and right sides of the bottom edge of the pressure column (6), and the bottom of the sliding rod (9) is fixedly connected to the left and right sides of the inner edge of the upper surface of the pressure tube (8). A second spring (10) is installed outside the sliding rod (9), and the upper end of the second spring (10) is connected to the bottom surface of the pressure column (6), and the lower end of the second spring (10) is connected to the upper surface of the pressure tube (8).

4. A blasting directional impact structure for reducing base disturbance according to claim 3, characterized in that: A pressure plug (7) is fixedly installed at the bottom end of the pressure column (6), and the pressure plug (7) is located inside the pressure tube (8), and an air bag (11) is connected and installed at the bottom of the pressure tube (8).

5. The blasting directional impact structure for reducing base disturbance according to claim 1, characterized in that: The pressure column (6) is fixedly provided with spur racks (12) on the left and right sides, and transmission gears (13) are connected and installed on the outer sides of the left and right sides of the spur racks (12), and the transmission gears (13) are rotatably connected to the front and rear sides of the anti-impact structure (1) through a rotating shaft.

6. A blasting directional impact structure for reducing base disturbance according to claim 5, characterized in that: A transmission belt (14) is connected and installed below the transmission gear (13), and a first bevel gear (15) is connected and installed below the transmission belt (14), and a second bevel gear (16) is connected and installed on the front side of the first bevel gear (15) through tooth patterns.

7. A blasting directional impact structure for reducing base disturbance according to claim 6, characterized in that: A threaded sleeve (17) is installed on the outer side of the second bevel gear (16), and a threaded rod (18) is installed on the inner side of the threaded sleeve (17) in a threaded connection, and a push plate (19) is installed on the outer side of the threaded rod (18), and the upper and lower edges of the push plate (19) are connected to the inside of the slot hole below the impact protection structure (1).

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