CN213578957U

CN213578957U - Sound insulation device for externally-connected detonators

Info

Publication number: CN213578957U
Application number: CN202021872830.0U
Authority: CN
Inventors: 彭一航; 夏文丽
Original assignee: Benxi Liuhe Construction Engineering Co ltd
Current assignee: Benxi Liuhe Construction Engineering Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-06-29
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a sound insulation device for connecting a detonator outside a hole, which belongs to the technical field of detonators and comprises an outside pipe connecting sleeve sleeved on the detonator, a main pipe body and a clamping structure for tightly abutting against the inner wall of the detonator, wherein the outside pipe connecting sleeve is provided with a conical hole with a gradually-reduced caliber; the clamping structure comprises a translation rod, at least two abutting flap rods hinged to one end of the translation rod, and a telescopic rod which is coaxially connected with the translation rod and penetrates through the translation rod to extend to the outer side of the main pipe body, one end of the translation rod, facing the pipe outer connecting sleeve, is provided with a hinge part hinged with the abutting flap rods, the abutting flap rods are distributed in an annular shape at equal intervals, and the hinge end sides of all the abutting flap rods are internally provided with a contracted annular spring together; the material of the pipe external connecting sleeve, the abutting valve rod and the main pipe body comprises sound insulation material. The utility model discloses simple structure, convenient to use, realization that can be better and being connected of detonator, and can adapt to the detonator of different pipe diameters, can reduce the noise that the detonator brought.

Description

Sound insulation device for externally-connected detonators

Technical Field

The utility model relates to a detonator technical field, specificly relate to a sound insulation device that is used for hole external connection detonator.

Background

At present, as the blasting environment is more and more complex and the blasting requirement is continuously improved, the current blasting operation has a more severe requirement on noise control. Blasting noise is mainly produced by downthehole fried material and the explosion of downthehole outer junction detonator, and downthehole pipe often can be clogged through the assurance and come noise control owing to the great attention that arouses people of dose very easily in the design, and the produced noise of outer tube of hole often can be ignored by relevant worker, just fixes with electric adhesive tape parcel simply in the connection process, does not do special noise control and handles. But in the more complicated urban area blasting of personnel, because the outer connecting pipe of hole is more, and hole outer connecting pipe time delay classification is more in addition, irregular explosion sound (noise) arouses peripheral personnel panic very easily. And the pipe diameter of detonator may be different, and when using, the device that makes an uproar falls in giving sound insulation may not adjust the matching.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a noise insulation for hole external connection detonator, its simple structure, convenient to use, realization that can be better and being connected of detonator, and can adapt to the detonator of different pipe diameters, can reduce the noise that the detonator brought.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a sound insulation device for connecting detonators outside holes comprises an outside pipe connecting sleeve sleeved on the detonators, a main pipe body connected with one end of the outside pipe connecting sleeve and a clamping structure arranged inside the main pipe body and used for abutting against the inner wall of the detonators, wherein one end of the outside pipe connecting sleeve opposite to the main pipe body is provided with a conical hole which extends to be connected with the main pipe body and has a gradually-reduced caliber, a built-in cavity extending along the length direction of the main pipe body and penetrating through one end of the main pipe body, the clamping structure comprises a translation rod arranged in the built-in cavity, at least two touch-up flap rods hinged to one end of the translation rod and a telescopic rod coaxially connected with the translation rod and penetrating to the outer side of the main pipe body, the translation rod is parallel to the main pipe body in the length direction, one end of the translation rod facing the outside pipe connecting sleeve is provided with a hinged part hinged to the touch, a contracted annular spring is arranged in the hinged end sides of all the valve abutting rods together, and in an initial state, all the valve abutting rods are folded in the built-in cavity; the material of the pipe outer connecting sleeve, the material of the abutting valve rod and the material of the main pipe body comprise sound insulation materials.

Furthermore, the telescopic link is a screw rod, a threaded hole matched with the telescopic link is formed in the position, through which the telescopic link penetrates, of the main pipe body, a T-shaped block and a T-shaped groove matched with the telescopic link are respectively formed in the connecting ends of the telescopic link and the translation rod, and a rotating handle is connected to the outer side end of the telescopic link. Through rotatory rotation handle, can directly drive the telescopic link and rotate, the effect of cooperation screw hole can make the telescopic link carry out telescopic removal, because the rotation connection relation in T-shaped piece and T-shaped groove for the translation pole can not driven by the telescopic link and rotate, but can be driven by the telescopic link and carry out the translation, and this kind of mode can be comparatively at the uniform velocity the translation speed of control translation pole, and the result of application is better.

Furthermore, a sliding groove parallel to the length direction of the main pipe body is formed in one side of the main pipe body, and a sliding block in sliding connection with the sliding groove is fixed on the corresponding side of the translation rod. The sliding connection between the translation rod and the main pipe body is realized by the sliding blocks and the sliding grooves, and the effects of limiting and guiding the movement of the translation rod can be achieved.

Furthermore, the outside of tubes adapter sleeve is with being responsible for body sliding connection, the part that the outside of tubes adapter sleeve corresponds the bell mouth is the loudspeaker form, and the one side shaping that outside of tubes adapter sleeve connects being responsible for the body has the attached formula suit and is responsible for the body and cup joints the ring body, one side of cup jointing the ring body runs through and threaded connection has the locking screw that is used for supporting tightly being responsible for the body. After the pipe external connecting sleeve is sleeved on the detonator, if the distance between the main pipe body and the pipe orifice of the detonator is long and the collision flap rod can not be guaranteed to be abutted on the inner wall of the detonator, the elastic screw can be unscrewed, the main pipe body extends into a section towards the inner side of the pipe external connecting sleeve, and then the locking screw is screwed, so that the collision flap rod can be guaranteed to be abutted on the inner wall of the detonator after extending out of the main pipe body.

Furthermore, a flexible pad is fixed at the free end of each interference valve rod. The flexible pad can avoid the hard contact between the abutting petal rod and the inner wall of the detonator or the main pipe body to cause scraping.

3. Advantageous effects

(1) The utility model is provided with a clamping structure which is used for comprising an outside tube connecting sleeve sleeved on a detonator, a main tube body connected with one end of the outside tube connecting sleeve and arranged inside the main tube body and used for tightly supporting the inner wall of the detonator, the clamping structure comprises a translation rod, at least two abutting petal rods hinged at one end of the translation rod, and a telescopic rod which is coaxially connected with the translation rod and runs through and extends to the outer side of the main tube body, one end of the translation rod facing the outside tube connecting sleeve is provided with a hinge part hinged with the abutting petal rods, the abutting petal rods are distributed in an annular equal interval, a contracted annular spring is jointly arranged in the hinge end side of all the abutting petal rods, all the abutting petal rods are folded in an inner cavity in an initial state, when the translation rod pushes the abutting petal rods to move towards the outer side of the main tube body, the abutting petal rods at the peripheral side can be outwards expanded under the reset action, until the pipe orifice inner wall of the detonator is tightly supported, the pipe outside connecting sleeve in the device can be clamped on the pipe orifice peripheral side of the detonator, the annularly distributed collision flap rods can be tightly supported on the pipe orifice inner wall of the detonator, the connection with the detonator can be better realized, and the device has a simple structure and is convenient to use.

(2) The external pipe connecting sleeve of the utility model is provided with the taper hole which extends to be connected with the main pipe body and has the gradually-reduced caliber, when the external pipe connecting sleeve is sleeved on the detonator, the external pipe connecting sleeve can adapt to the detonators with different pipe external diameters because the side wall of the taper hole is inclined; and because the abutting valve rod operates in an expanding mode, the device can be suitable for detonators with different pipe diameters, and the device can be suitable for detonators with different pipe diameters and has a larger application range.

(3) The utility model provides an all include sound insulation material in the material of outside of tubes adapter sleeve, conflict lamella pole and main pipe body for this device can reduce the noise that the detonator brought.

To sum up, the utility model discloses simple structure, convenient to use, realization that can be better and being connected of detonator, and can adapt to the detonator of different pipe diameters, can reduce the noise that the detonator brought.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention in example 1;

FIG. 2 is a schematic view of the application of the present invention in example 1;

fig. 3 is a schematic view of the internal structure of the present invention in embodiment 2.

Reference numerals: 1. a pipe outer connecting sleeve; 2. a flap lever; 3. a chute; 4. a translation rod; 5. A slider; 6. a T-shaped slot; 7. a threaded hole; 8. rotating the handle; 9. a telescopic rod; 10. a primary tube; 11. a cavity is arranged inside; 12. a T-shaped block; 13. a hinge joint; 14. a flexible pad; 15. a tapered hole; 16. a ring body is sleeved; 17. locking the screw; 20. and (4) a detonator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, the sound insulation device for connecting a detonator outside a hole comprises an external pipe connecting sleeve 1 sleeved on a detonator 20, a main pipe body 10 connected to one end of the external pipe connecting sleeve 1, and a clamping structure arranged inside the main pipe body 10 and used for tightly abutting against the inner wall of the detonator 20, wherein one end of the external pipe connecting sleeve 1, which is opposite to the main pipe body 10, is provided with a tapered hole 15 with a gradually reduced caliber, which extends to be connected with the main pipe body 10, a built-in cavity 11 is arranged in the main pipe body 10, which extends along the length direction and penetrates through one end of the tapered hole 15, the clamping structure comprises a translation rod 4 arranged in the built-in cavity 11, at least two touch-flap rods 2 (in this embodiment, four touch-flap rods 2) hinged to one end of the translation rod 4, and a telescopic rod 9 coaxially connected with the translation rod 4 and extending to the outer side of the main pipe body 10, the translation rod 4 is, one end of the translation rod 4 facing the pipe external connecting sleeve 1 is provided with a hinge joint 13 hinged with the abutting flap rods 2, the abutting flap rods 2 are distributed in an annular shape at equal intervals, the hinge joint end sides of all the abutting flap rods 2 are internally provided with a contracted annular spring, and all the abutting flap rods 2 are folded in the built-in cavity 11 in an initial state; the material of the pipe external connecting sleeve 1, the material of the abutting flap rod 2 and the material of the main pipe body 10 comprise sound insulation materials (such as sound absorption boards, sound absorption cotton and glass fiber layers, the purpose of noise reduction and sound insulation can be achieved).

In this embodiment, as shown in fig. 1, the telescopic rod 9 is a screw rod, a threaded hole 7 adapted to the telescopic rod 9 is formed in a position of the main pipe body 10 through which the telescopic rod 9 passes, a T-shaped block 12 and a T-shaped groove 6 adapted to each other are respectively disposed at a connection end of the telescopic rod 9 and the translation rod 4, and a rotation handle 8 is connected to an outer end of the telescopic rod 9. Through rotatory rotation handle 8, can directly drive telescopic link 9 and rotate, cooperation screw hole 7's effect can be so that telescopic link 9 carries out telescopic removal, because the rotation connection relation of T-shaped piece 12 and T-slot 6 for translation pole 4 can not be driven by telescopic link 9 and rotate, but can be driven by telescopic link 9 and carry out the translation, and the removal rate of control translation pole 4 that this kind of mode can be comparatively at the uniform velocity, and the result of application is better.

In this embodiment, as shown in fig. 1, a sliding groove 3 parallel to the length direction of the main pipe 10 is formed at one side of the main pipe, and a sliding block 5 slidably connected to the sliding groove 3 is fixed at the corresponding side of the translation rod 4. The sliding connection between the translation rod 4 and the main pipe body 10 is realized by the sliding block 5 and the sliding groove 3, and the effects of limiting and guiding the movement of the translation rod 4 can be achieved.

In this embodiment, as shown in fig. 1, a flexible pad 14 is fixed to the free end of each of the interference valve rods 2. The flexible pad 14 prevents the interference flap 2 from being scratched by hard contact with the inner wall of the detonator 20 or the primary tube 10. And the material of the flexible pad 14 can be sound-absorbing cotton to enhance the noise reduction and sound insulation effect of the device.

The concrete application process of the sound insulation device for the extraporous connection detonator is as follows:

firstly, the pipe outside connecting sleeve 1 is sleeved on the detonator 20 through the conical hole 15, and the pipe outside connecting sleeve 1 can adapt to detonators 20 with different pipe outside diameters because the side wall of the conical hole 15 is inclined; after the pipe orifice periphery of the detonator 20 is clamped by the pipe outside connecting sleeve 1, the translation rod 4 is driven by the telescopic rod 9 to move towards the side where the detonator 20 is located, under the reset action of the annular spring, the collision flap rod 2 on the peripheral side is expanded outwards until the collision flap rod abuts against the pipe orifice inner wall of the detonator 20, the translation rod 4 is stopped being pushed, and the collision flap rod 2 operates in an expanding mode, so that the translation rod can adapt to detonators 20 with different pipe inner diameters; after the operation is finished, the pipe external connecting sleeve 1 is clamped on the periphery of the pipe orifice of the detonator 20, and the annularly distributed collision flap rods 2 are abutted against the inner wall of the pipe orifice of the detonator 20, as shown in fig. 2, the connection with the detonator 20 can be better realized.

Example 2

The present embodiment is different from embodiment 1 in that:

in this embodiment, as shown in fig. 3, the pipe outside connection sleeve 1 is slidably connected to the main pipe 10, a portion of the pipe outside connection sleeve 1 corresponding to the tapered hole 15 is in a horn shape, a sleeving ring 16 attached to the main pipe 10 is formed on one side of the pipe outside connection sleeve 1 connected to the main pipe 10, and a locking screw 17 for tightly abutting against the main pipe 10 penetrates through and is threadedly connected to one side of the sleeving ring 16. After the pipe external connecting sleeve 1 is sleeved on the detonator 20, if the distance between the main pipe body 10 and the pipe orifice of the detonator 20 is long and the collision flap rod 2 cannot be guaranteed to abut against the inner wall of the detonator 20, the tightening screw 17 can be loosened, the main pipe body 10 extends into a section towards the inner side of the pipe external connecting sleeve 1, and then the locking screw 17 is tightened, so that the collision flap rod 2 can be guaranteed to abut against the inner wall of the detonator 20 after extending out of the main pipe body 10.

Otherwise, the same procedure as in example 1 was repeated.

According to the above, the utility model discloses simple structure, convenient to use, realization that can be better and being connected of detonator, and can adapt to the detonator of different pipe diameters, can reduce the noise that the detonator brought.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A sound insulation device for connecting detonators outside holes is characterized by comprising an outside pipe connecting sleeve (1) sleeved on a detonator (20), a main pipe body (10) connected with one end of the outside pipe connecting sleeve (1) and a clamping structure arranged inside the main pipe body (10) and used for abutting against the inner wall of the detonator (20), wherein one end, back to the main pipe body (10), of the outside pipe connecting sleeve (1) is provided with a conical hole (15) which extends to be connected with the main pipe body (10) and has a gradually-reduced caliber, a built-in cavity (11) which extends along the length direction of the main pipe body (10) and penetrates through one end, connected with the conical hole (15), of the main pipe body (10) is formed, the clamping structure comprises a translation rod (4) arranged in the built-in cavity (11), at least two abutting flap rods (2) hinged at one end of the translation rod (4) and a telescopic rod (9) which is coaxially connected with the translation rod (4) and penetrates through, the translation rod (4) is parallel to the main pipe body (10) in the length direction, one end, facing the pipe outer connecting sleeve (1), of the translation rod (4) is provided with hinged parts (13) hinged with the abutting flap rods (2), the abutting flap rods (2) are distributed annularly and equidistantly, the hinged end sides of all the abutting flap rods (2) are internally provided with a contracted annular spring together, and in an initial state, all the abutting flap rods (2) are folded in the built-in cavity (11); the material of the pipe external connecting sleeve (1), the material of the abutting valve rod (2) and the material of the main pipe body (10) comprise sound insulation materials.

2. The sound insulation device for the extra-hole connection detonator according to claim 1, wherein the telescopic rod (9) is a screw rod, a threaded hole (7) matched with the telescopic rod (9) is formed in a position, through which the telescopic rod (9) passes, of the main pipe body (10), a T-shaped block (12) and a T-shaped groove (6) matched with each other are respectively formed in the connecting ends of the telescopic rod (9) and the translation rod (4), and a rotating handle (8) is connected to the outer side end of the telescopic rod (9).

3. The sound insulation device for the extra-hole detonator according to claim 1, wherein one side of the main pipe body (10) is provided with a sliding groove (3) parallel to the length direction of the main pipe body, and a sliding block (5) which is in sliding connection with the sliding groove (3) is fixed on the corresponding side of the translation rod (4).

4. The sound insulation device for the extra-hole detonator according to claim 1, wherein the extra-pipe connecting sleeve (1) is slidably connected with the main pipe body (10), the part of the extra-pipe connecting sleeve (1) corresponding to the tapered hole (15) is horn-shaped, a sleeving ring body (16) which is attached to the main pipe body (10) in a sleeving manner is formed on one side of the extra-pipe connecting sleeve (1) connected with the main pipe body (10), and a locking screw (17) which is used for abutting against the main pipe body (10) penetrates through and is in threaded connection with one side of the sleeving ring body (16).

5. An acoustic insulator for ex-hole detonators according to claim 1 wherein the free end of each interference petal lever (2) is secured to a flexible pad (14).