CN218002351U - Fixing device for underwater blasting - Google Patents

Abstract

The utility model discloses a fixing device for underwater blasting belongs to blasting engineering technical field. The utility model provides a fixing device for underwater blasting, includes the bottom plate, bottom plate outside symmetry is equipped with multiunit support component, support component includes telescopic link, first fagging, second fagging and many thorn poles, smooth chamber has been seted up perpendicularly in the first fagging, the second fagging is established in first fagging through smooth chamber vertical sliding sleeve, the telescopic link level sets up between bottom plate and first fagging, and both ends respectively with first fagging inner wall and bottom plate lateral wall fixed connection, many thorn pole respectively horizontal fixed mounting at first fagging and second fagging lateral surface, it is a plurality of connect through expanding the support component between the first fagging. The utility model discloses effectively solved current blasting technique and directly put into the explosive body usually and bored downthehole, the pore wall is loose, causes the explosive body to shift before detonating very easily, influences the problem of blasting effect.

Description

Fixing device for underwater blasting

Technical Field

The utility model relates to a blasting engineering technical field specifically is a fixing device is used in blasting under water.

Background

The common methods for underwater blasting include bare blasting, drilling blasting, cavern blasting, and the like. With the progress of civil explosive material production technology and building construction technology, underwater blasting construction is widely applied to the field of engineering construction, such as cofferdam blasting of hydraulic and hydroelectric engineering, underwater engineering blasting of ports and wharfs and the like.

When blasting at the bottom of a river, a hole needs to be drilled at the bottom of the river, and an explosive body is filled into the hole to be detonated.

SUMMERY OF THE UTILITY MODEL

1. The technical problem to be solved by the utility model

An object of the utility model is to provide a fixing device for underwater blasting to solve the problem that proposes in the above-mentioned background art:

the existing blasting technology is that an explosive body is usually directly put into a drilled hole, and the blasting effect is easily influenced because the explosive body is displaced before the detonation because water flows or fishes and animals move and the hole wall is loose.

2. Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fixing device for underwater blasting, includes the bottom plate, bottom plate outside symmetry is equipped with multiunit support component, support component includes telescopic link, first fagging, second fagging and many thorn poles, smooth chamber has been seted up perpendicularly in the first fagging, the second fagging is established in first fagging through smooth chamber vertical slip cover, the fixed laminating of smooth intracavity wall has the skid resistant course, the telescopic link level sets up between bottom plate and first fagging, and both ends respectively with first fagging inner wall and bottom plate lateral wall fixed connection, many thorn pole level fixed mounting is at first fagging and second fagging lateral surface respectively, and is a plurality of connect through expanding support component between the first fagging.

Order about a plurality of first faggings and keep away from, compress tightly the pore wall, it is preferred, expand supporting part and include clamp plate, many vaulting poles, a plurality of strut and many round pins axle, it is a plurality of the strut is fixed mounting respectively at first fagging inner wall, a plurality of draw-in grooves have been seted up in the clamp plate outside, many the vaulting pole both ends all articulate with a plurality of struts and a plurality of draw-in groove lateral walls respectively through the round pin axle.

Carry out spacingly to the explosive body, avoid its aversion, preferably, it is a plurality of second fagging inner wall upside all is equipped with spacing part, spacing part is all adjustable.

Carry out spacing fixed, preferably to the explosive body of different specifications, spacing part includes swivel nut, screw rod, nut and briquetting, swivel nut horizontal fixed mounting is at the second fagging inner wall, the horizontal screw thread cover of screw rod is established in the swivel nut, the nut is fixed to be cup jointed on the screw rod, the briquetting rotates the cover and is established at the screw rod tip.

3. Advantageous effects

(1) The utility model can compact the hole wall by fixedly inserting a plurality of groups of supporting parts on the pre-drilled hollow side wall, thereby reducing the looseness and facilitating the putting in of the explosive body;

(2) The utility model discloses a spacing part can be fixed the explosive body, avoids it to shift before detonating, makes things convenient for going on of blasting work more.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front sectional structure view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a base plate; 2. a telescopic rod; 3. a first supporting plate; 4. a second supporting plate; 5. pricking a rod; 6. a slide chamber; 7. pressing a plate; 8. a stay bar; 9. a support frame; 10. a pin shaft; 11. a card slot; 12. a threaded sleeve; 13. a screw; 14. a nut; 15. pressing into blocks; 16. and an anti-slip layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 all belong to the protection scope of the present invention.

Example 1:

please refer to fig. 1-4, a fixing device for underwater blasting, including a bottom plate 1, a plurality of sets of supporting components are symmetrically arranged outside the bottom plate 1, the supporting components include a telescopic rod 2, a first supporting plate 3, a second supporting plate 4 and a plurality of thorn rods 5, a sliding cavity 6 is vertically arranged in the first supporting plate 3, the second supporting plate 4 is vertically sleeved in the first supporting plate 3 through the sliding cavity 6, and slides in the sliding cavity 6 through the second supporting plate 4, so as to adjust the effective supporting area, so as to adapt to holes of different depths, the inner wall of the sliding cavity 6 is fixedly attached with an anti-sliding layer 16, the anti-sliding layer 16 can prevent the second supporting plate 4 from independently sliding, the telescopic rod 2 is horizontally arranged between the bottom plate 1 and the first supporting plate 3, and two ends of the telescopic rod are respectively fixedly connected with the inner wall of the first supporting plate 3 and the outer side wall of the bottom plate 1, the plurality of thorn rods 5 are respectively and horizontally and fixedly arranged on the outer side surfaces of the first supporting plate 3 and the second supporting plate 4, and the plurality of the first supporting plates 3 are connected through the expanding components.

Expand supporting part and include clamp plate 7, many vaulting poles 8, a plurality of strut 9 and many round pin axles 10, a plurality of strut 9 respectively fixed mounting have seted up a plurality of draw-in grooves 11 at 3 inner walls of first fagging in the clamp plate 7 outside, and many 8 both ends of vaulting pole are all articulated with a plurality of strut 9 and a plurality of draw-in groove 11 lateral walls respectively through round pin axle 10.

The upper sides of the inner walls of the second supporting plates 4 are provided with limiting parts, and the limiting parts are adjustable.

The limiting part comprises a threaded sleeve 12, a screw 13, a nut 14 and a pressing block 15, the threaded sleeve 12 is horizontally and fixedly installed on the inner wall of the second supporting plate 4, the screw 13 is horizontally and spirally sleeved in the threaded sleeve 12, the nut 14 is fixedly sleeved on the screw 13, and the pressing block 15 is rotatably sleeved at the end of the screw 13.

When the explosive body is placed, the device is placed in a hole which is drilled in advance, then the device is connected with a beating tool to press a pressing plate 7 downwards, the pressing plate 7 drives the top ends of a plurality of support rods 8 to deflect downwards through a plurality of pin shafts 10, so that the support rods 8 rotate under the support of the support frames 9 and the pin shafts 10 positioned inside the support frames, the support rods deflect to the horizontal shape from the inclined shape, a plurality of first support plates 3 are expanded to the outside, under the support of a plurality of telescopic rods 2, the first support plates 3 drive second support plates 4 to move and expand in the horizontal direction, a plurality of pin rods 5 positioned on the support rods are inserted into the hole wall, the device is fixed, meanwhile, the first support plates 3 and the second support plates 4 are tightly attached to the hole wall, the hole wall is compressed, by the mode, the hole wall can be reinforced, the loosening is avoided, and the explosive lifting is convenient to place.

After the explosive is placed, the nut 14 can be rotated, the nut 14 drives the screw rod 13 to rotate, the screw sleeve 12 is screwed out, the pressing block 15 tightly pushes the explosive, the pressing blocks 15 cooperate to fix the explosive, the explosive is prevented from shifting before being detonated, and blasting work is facilitated.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (4)

1. The utility model provides a fixing device for underwater blasting, includes bottom plate (1), its characterized in that: bottom plate (1) outside symmetry is equipped with multiunit support member, support member includes telescopic link (2), first fagging (3), second fagging (4) and many thorn pole (5), smooth chamber (6) have been seted up perpendicularly in first fagging (3), second fagging (4) are established in first fagging (3) through smooth chamber (6) vertical sliding cover, the fixed laminating of smooth chamber (6) inner wall has skid resistant course (16), telescopic link (2) level sets up between bottom plate (1) and first fagging (3), and both ends respectively with first fagging (3) inner wall and bottom plate (1) lateral wall fixed connection, many thorn pole (5) level fixed mounting is at first fagging (3) and second fagging (4) lateral surface respectively, and is a plurality of connect through expanding support member between first fagging (3).

2. The fixing device for underwater blasting according to claim 1, wherein: expand supporting part and include clamp plate (7), many vaulting poles (8), a plurality of strut (9) and many round pin axle (10), it is a plurality of strut (9) is fixed mounting respectively at first fagging (3) inner wall, a plurality of draw-in grooves (11) have been seted up in clamp plate (7) outside, many strut (8) both ends all are articulated with a plurality of strut (9) and a plurality of draw-in groove (11) lateral wall respectively through round pin axle (10).

3. The fixing device for underwater blasting according to claim 1, wherein: a plurality of the upper sides of the inner walls of the second supporting plates (4) are provided with limiting parts which are all adjustable.

4. The fixing device for underwater blasting according to claim 3, wherein: the limiting part comprises a screw sleeve (12), a screw rod (13), a screw cap (14) and a pressing block (15), the screw sleeve (12) is horizontally and fixedly installed on the inner wall of the second supporting plate (4), the screw rod (13) is horizontally and threadedly sleeved in the screw sleeve (12), the screw cap (14) is fixedly sleeved on the screw rod (13), and the pressing block (15) is rotatably sleeved at the end part of the screw rod (13).

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