Blasting structure pre-burying device for engineering blasting

Abstract

The utility model discloses a blasting structure pre-embedding device for engineering blasting, which comprises an explosive cylinder body, a base is fixed at the bottom of the explosive cylinder body, a sliding hole is arranged on the surface of the bottom of the base, a sliding block is connected with the inner side of the sliding hole in a sliding mode, one end of the sliding block is connected with a supporting plate, and a bottom hole is arranged on the side portion of the sliding hole. Through the designed base, the sliding hole, the sliding block, the supporting plate and the driving frame, the base provided with the driving frame, the sliding block and the supporting plate is installed at the bottom of the explosive barrel, when the explosive barrel is placed in a pre-buried pit, the bottom of the driving frame and the bottom of the pit are squeezed, the driving frame slides upwards, one end of the driving frame and the driving hole generate the squeezing effect, and the explosive barrel is driven to move upwards. And then the sliding blocks are pushed to slide in the sliding holes, the four supporting plates are driven to be close to the inner wall of the pit body at the same time, finally the four supporting plates are extruded on the inner wall of the pre-buried pit, the explosive barrel is centralized, and the situation that the explosive barrel for blasting is pre-buried in the pit and inclines, and consequently the blasting effect accuracy is affected is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering blasting, and in particular relates to a blasting structure pre-embedded device for engineering blasting. Background Art

[0002] Engineering blasting is often used in large-scale operations such as mining, mountain excavation, railway and highway construction. It uses the huge energy generated by the compression, loosening, destruction and throwing of explosives in the air, water, soil and rock media or objects to destroy the original structure of a certain object. In large-scale projects such as railways, mines, and reservoirs, the role of blasting technology is very critical and important. Mining and road construction, mountain excavation and tunnel digging, and urban demolition of old buildings all use blasting technology. Before the blasting construction operation, it is necessary to use a pre-embedded device to embed the explosives into the corresponding pits, but there are the following defects: (1) At present, the commonly used pre-embedded method is to place the pre-embedded device by direct placement, and the width of the pit excavated for pre-embedded is not easy to accurately control, which leads to the problem that the pre-embedded device is prone to tilt, which is not conducive to the precise detonation operation in the later stage. For this reason, we propose a blasting structure pre-embedded device for engineering blasting. Utility Model Content

[0003] The utility model aims to provide a blasting structure pre-embedded device for engineering blasting, so as to solve the problem that the explosion pre-embedded device proposed in the above background technology is easy to tilt when placed in a pit, resulting in the influence of the accuracy of the blasting effect.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pre-buried device for blasting structure for engineering blasting, comprising an explosive cylinder, a base is fixed at the bottom of the explosive cylinder, a sliding hole is provided on the bottom surface of the base, a slider is connected to the inner side of the sliding hole by sliding, a supporting plate is connected to one end of the slider, a bottom hole is provided on the side of the sliding hole, a driving frame is inserted into the inside of the bottom hole, one end of the driving frame is placed inside the other end of the slider, a driving hole is provided on the surface of the slider, and the end of the driving frame is placed inside the driving hole.

[0005] Preferably, there are four sliding holes, and the four sliding holes form a circular array about the central axis of the base.

[0006] Preferably, a bottom plate is fixed to the bottom of the driving frame, and the cross section of the bottom plate is a circular structure.

[0007] Preferably, a rib is fixed at the connection between the bottom plate and the driving frame, and the longitudinal section of the rib is a triangular structure.

[0008] Preferably, a ball groove is formed on one end surface of the driving frame, and a ball is embedded in the ball groove.

[0009] Preferably, the longitudinal section of the driving frame is a T-shaped structure.

[0010] Preferably, the longitudinal section of the slider is a rectangular structure, and the cross section of the slider is a U-shaped structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) Through the designed base, sliding hole, slider, support plate and driving frame, the base equipped with the driving frame, slider and support plate is installed at the bottom of the explosive cylinder. When the utility model is placed in the pre-buried pit, the bottom of the driving frame and the bottom of the pit are squeezed, the driving frame slides upward, one end of the driving frame and the driving hole produce a squeezing effect, and then the slider is pushed to slide in the sliding hole, driving the four support plates to approach the inner wall of the pit at the same time, and finally squeezing the four support plates on the inner wall of the pre-buried pit, straightening the explosive cylinder, avoiding the tilt of the explosive cylinder pre-buried in the pit and affecting the accuracy of the blasting effect, and increasing the squeezing contact area of ​​the driving frame through the designed bottom plate, avoiding the end of the bottom plate from being inserted into the soil pit and affecting the squeezing effect, and through the designed ball, the ball is rolled and installed on the driving frame, which plays a lubricating role, reduces the friction resistance of the contact surface between the driving hole and the driving frame, and makes the driving frame slide smoothly in the driving hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0015] Figure 3 This is a top view of the assembly of the base, bottom plate, slider and support plate of the utility model;

[0016] Figure 4 It is a three-dimensional diagram of the slider of the utility model;

[0017] Figure 5 It is a three-dimensional diagram of the drive frame of the utility model;

[0018] In the figure: 1, explosive cylinder; 2, bottom plate; 3, rib plate; 4, driving frame; 5, base; 6, supporting plate; 7, ball bearing; 8, sliding hole; 9, driving hole; 10, slider; 11, bottom hole. DETAILED DESCRIPTION

[0019] 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.

[0020] Example

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a pre-buried device for blasting structure for engineering blasting, comprising an explosive cylinder 1, a base 5 is fixed at the bottom of the explosive cylinder 1, a sliding hole 8 is provided on the bottom surface of the base 5, a sliding block 10 is connected to the inner side of the sliding hole 8 by sliding, one end of the sliding block 10 is connected to a supporting plate 6, a bottom hole 11 is provided on the side of the sliding hole 8, a driving frame 4 is inserted into the bottom hole 11, one end of the driving frame 4 is placed inside the other end of the sliding block 10, a driving hole 9 is provided on the surface of the sliding block 10, through the designed base 5, sliding hole 8, sliding block 10, supporting plate 6 and driving frame 4, the base 5 equipped with the driving frame 4, sliding block 10 and supporting plate 6 is installed at the bottom of the explosive cylinder 1, when the utility model is placed in the pre-buried pit, the driving frame 4, sliding block 10 and supporting plate 6 are installed on the bottom of the explosive cylinder 1, and the driving frame 4 is installed on the bottom of the explosive cylinder 1. The bottom of the frame 4 is squeezed with the bottom of the pit, and the driving frame 4 slides upward. One end of the driving frame 4 and the driving hole 9 produce an extrusion effect, which pushes the slider 10 to slide in the sliding hole 8, driving the four supporting plates 6 to approach the inner wall of the pit at the same time, and finally squeeze the four supporting plates 6 on the inner wall of the pre-buried pit to straighten the explosive cylinder to avoid the blasting explosive cylinder 1 pre-buried in the pit from tilting and affecting the accuracy of the blasting effect. The end of the driving frame 4 is placed inside the driving hole 9, there are four sliding holes 8, and the four sliding holes 8 are in a circular array about the central axis of the base 5. The bottom of the driving frame 4 is fixed with a bottom plate 2. The designed bottom plate 2 increases the extrusion contact area of ​​the driving frame 4 to avoid the end of the bottom plate 2 being inserted into the pit and affecting the extrusion effect. The cross-section of the bottom plate 2 is a circular structure.

[0022] In this embodiment, preferably, a rib plate 3 is fixed at the connection between the base plate 2 and the driving frame 4. The connection between the base plate 2 and the driving frame 4 is reinforced by the designed rib plate 3 to prevent assembly breakage. The longitudinal section of the rib plate 3 is a triangular structure. A ball groove is provided on the surface of one end of the driving frame 4. A ball 7 is embedded in the ball groove. The ball 7 is designed and rolled onto the driving frame 4 to lubricate and reduce the friction resistance between the driving hole 9 and the contact surface of the driving frame 4, so that the driving frame 4 can slide smoothly in the driving hole 9. The longitudinal section of the driving frame 4 is a T-shaped structure, the longitudinal section of the slider 10 is a rectangular structure, and the cross-section of the slider 10 is a U-shaped structure.

[0023] The working principle and use process of the utility model: when the utility model is placed in a pre-buried pit, the bottom of the driving frame 4 is squeezed with the bottom of the pit, and the driving frame 4 slides upward. One end of the driving frame 4 and the driving hole 9 produce an extrusion effect, thereby pushing the slider 10 to slide in the sliding hole 8, driving the four supporting plates 6 to approach the inner wall of the pit at the same time, and finally squeezing the four supporting plates 6 on the inner wall of the pre-buried pit to straighten the explosive cylinder, thereby avoiding the tilt of the explosive cylinder 1 pre-buried in the pit and affecting the accuracy of the blasting effect.

[0024] 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 structure pre-embedded device for engineering blasting, comprising an explosive cylinder (1), characterized in that: A base (5) is fixed at the bottom of the explosive barrel (1), a sliding hole (8) is provided on the bottom surface of the base (5), a sliding block (10) is slidably connected to the inner side of the sliding hole (8), one end of the sliding block (10) is connected to a supporting plate (6), a bottom hole (11) is provided on the side of the sliding hole (8), a driving frame (4) is inserted into the bottom hole (11), one end of the driving frame (4) is placed inside the other end of the sliding block (10), a driving hole (9) is provided on the surface of the sliding block (10), and the end of the driving frame (4) is placed inside the driving hole (9).

2. The blasting structure pre-embedded device for engineering blasting according to claim 1, characterized in that: There are four sliding holes (8), and the four sliding holes (8) are arranged in a circular array about the central axis of the base (5).

3. The blasting structure pre-embedded device for engineering blasting according to claim 1 is characterized in that: A bottom plate (2) is fixed to the bottom of the driving frame (4), and the cross section of the bottom plate (2) is a circular structure.

4. The blasting structure pre-embedded device for engineering blasting according to claim 3 is characterized in that: A rib plate (3) is fixed at the connection between the bottom plate (2) and the driving frame (4), and the longitudinal section of the rib plate (3) is a triangular structure.

5. The blasting structure pre-embedded device for engineering blasting according to claim 4 is characterized in that: A ball groove is formed on one end surface of the driving frame (4), and a ball (7) is embedded in the ball groove.

6. The blasting structure pre-embedded device for engineering blasting according to claim 5, characterized in that: The longitudinal section of the driving frame (4) is a T-shaped structure.

7. The blasting structure pre-embedded device for engineering blasting according to claim 1, characterized in that: The longitudinal section of the slider (10) is a rectangular structure, and the cross section of the slider (10) is a U-shaped structure.

Images