CN213179692U

CN213179692U - Emulsion explosive-shaped mud strip

Info

Publication number: CN213179692U
Application number: CN202022029387.7U
Authority: CN
Inventors: 宋磊; 杨飞; 宋春江
Original assignee: Shaanxi Hong'an Blasting Engineering Co ltd
Current assignee: Shaanxi Hong'an Blasting Engineering Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-11
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an emulsion explosive form mud strip, including the mud strip body, set up at this external crust of mud strip, at the outer one deck crust of wrapping up of mud strip, effectually prevented gluing between the mud strip glutinous to the effectual mud strip that has prevented becomes dry and the work is filled out to the stopper of big gun hole in the influence. The crust includes the crust body, follows the easily tear strip that the crust body axial set up, and with easily tear the easily tear pull head that strip fixed connection just is located mud strip body one end, the material of the junction of tear strip and crust body is thinner than the crust body for easily tear easily separately between strip and the crust body, when needing to use the mud strip, will easily tear the pull head and drive and pull easily tear the strip, make easily tear the strip and separate with the crust body, thereby expose the mud strip. Not only ensures the stability of the mud strips in transportation and prolongs the placing time, but also ensures the convenience in use.

Description

Emulsion explosive-shaped mud strip

Technical Field

The utility model relates to a blasting construction field especially relates to an emulsion explosive form mud strip.

Background

The construction steps of the blasting site are divided into the steps of detonator detection, blast hole inspection, charging, detonator loading, charging, filling, network connection, initiation and the like, wherein the properties of the blasted rock, the rock stratum structure, the hole network parameters, the charging coefficient, the filling quality and the initiation sequence play a decisive role in the blasting effect.

The high-quality blasting construction stuffing can obviously improve the breaking block degree, increase the throwing distance, reduce the blasting vibration and noise, reduce the flying stone distance, effectively reduce the blasting unit consumption, improve the safety of blasting operation and the explosive energy utilization rate, and integrally improve the comprehensive benefit of engineering blasting.

The most common horizontal drilling or inclined upward drilling blasting construction is tunnel tunneling blasting, and filling materials such as stone slag or soil and the like are not generated on the site. In the prior tunnel excavation blasting construction to the current most of tunnel excavation blasting construction, blast holes are constructed without blockage, and blasting construction personnel are required to perform blast hole filling work on the current part of standardized management projects. The used filling material is stemming made by a stemming machine, and the stemming is generally made for standby 1-2 hours before construction. However, stemming manufactured by a stemming machine is not commonly used in actual blasting construction due to the fact that manufacturing is troublesome, requirements on hardness of the stemming are high, the stemming is easy to dry and discard when blasting construction time is prolonged under special conditions, the stemming is generally arranged in containers such as a barrel and a box to be carried in the process of carrying, and the stemming is stuck together if the stemming is slightly soft; and the stemming is easy to break as a whole to influence the operation.

In view of the above, the convenient production of portable stemming is a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an emulsion explosive form mud strip improves the inconvenience of current stemming in transportation and save.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

an emulsion explosive-shaped mud strip comprises a mud strip body and an outer skin arranged outside the mud strip body; the mud bar comprises a mud bar body, a sheath, an easy-tearing pull head and a mud bar body, wherein the sheath comprises a sheath body wrapping the mud bar body, the easy-tearing pull head is arranged along the axial direction of the sheath body, and the easy-tearing pull head is fixedly connected with the easy-tearing pull head and is positioned at one end of the mud bar body; the outer skin body and the easy-tearing strip are encircled to form complete wrapping of the mud strip body; the material of the joint of the easy-tearing strip and the outer skin body is thinner than that of the outer skin body.

Further, easily tear brace, easily tear the pull head and the crust body is made for same material.

Further, one end of the mud strip body, which is close to the easy-tearing pull head, is in a circular truncated cone shape with the diameter gradually reduced.

Furthermore, the outward appearance of mud strip body is provided with antiseized oil layer for prevent that the mud strip body from gluing the week side of gluing at the crust.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses an emulsion explosive form mud strip, including the mud strip body, set up at this external crust of mud strip, at the outer one deck crust of wrapping up in mud strip, effectually prevented gluing between the mud strip glutinous to effectually prevented that the mud strip from becoming dry and influence the stopper work of filling in to the big gun hole. The crust includes the crust body, follows the easily tear strip that the crust body axial set up, and with easily tear the easily tear pull head that strip fixed connection just is located mud strip body one end, the material of the junction of tear strip and crust body is thinner than the crust body for easily tear easily separately between strip and the crust body, when needing to use the mud strip, will easily tear the pull head and drive and pull easily tear the strip, make easily tear the strip and separate with the crust body, thereby expose the mud strip. Not only ensures the stability of the mud strips in transportation and prolongs the placing time, but also ensures the convenience in use.

(2) The utility model discloses an this end of body of mud strip sets up to round platform shape for easily tear brace and crust body separately the back, the round platform section expose earlier with the crust outside, advance to go into the big gun hole entry, the design of round platform shape makes the mud strip change and gets into the big gun hole.

Drawings

Fig. 1 is a front view of an emulsion explosive mud strip provided by an embodiment of the present invention.

Fig. 2 is a schematic structural view of the mud strip body provided by the embodiment of the utility model.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-a mud strip body, 11-a cylindrical section, 12-a circular table section, 2-a sheath, 21-a sheath body, 22-an easy-tearing strip, 23-an easy-tearing slider and 24-a joint.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples.

As shown in fig. 1 to 2, the emulsion explosive-shaped mud strip comprises a mud strip body 1 and an outer skin 2 arranged outside the mud strip body 1. The mud strips for filling the blast holes are generally prepared for standby 1-2 hours before construction, and if the mud strips are placed for a long time, a plastic film is required to be wrapped on each piece of the mud to prevent the mud from drying. However, stemming manufactured by a stemming machine is not commonly used in actual blasting construction due to the facts that manufacturing is troublesome, requirements on stemming hardness are high, the stemming is easy to dry and discard when blasting construction time is prolonged under special conditions, the stemming is generally carried in containers such as a barrel and a box during carrying, and if the stemming is slightly soft, the stemming can be stuck together. Wrap up the one deck crust outside the mud strip, effectually prevented gluing between the mud strip and glutinous to the effectual mud strip that has prevented becomes dry and influence the work of filling up to the big gun hole.

The sheath 2 comprises a sheath body 21 wrapping the mud bar body, an easy-tearing strip 22 arranged along the axial direction of the sheath body 21, and an easy-tearing pull head 23 fixedly connected with the easy-tearing strip 22 and positioned at one end of the mud bar body 1; the outer skin body 21 and the easy-tearing strip 22 surround to form complete package of the mud strip body 1; the material of the junction 24 of the easy-tear brace 22 and the outer skin body 21 is thinner than the outer skin body 21, so that the easy-tear brace 22 and the outer skin body 21 are easily separated, when mud bars need to be used, the easy-tear pull head 23 is driven to pull the easy-tear brace 22, the easy-tear brace 22 is separated from the outer skin body 21, and the mud bars are exposed. Not only ensures the stability of the mud strips in transportation and prolongs the placing time, but also ensures the convenience in use. In the present embodiment, the easy-to-tear strip 22, the easy-to-tear slider 23, and the outer skin body 21 are made of the same material.

The mud strip body 1 comprises a cylindrical section 11 matched with the blast hole and a circular truncated cone section close to the easy-tearing pull head 23. The diameter of the circular truncated cone section 12 is reduced along with the increase of the distance away from the cylindrical section 11, so that after the easy-tear brace 22 is separated from the outer skin body 21, the circular truncated cone section is exposed out of the outer skin 1 firstly and enters the blast hole inlet firstly, and mud strips are easier to enter the blast hole due to the circular truncated cone shape.

The outward appearance of mud strip body 1 is provided with antiseized glutinous oil reservoir for prevent that the mud strip body from gluing to glue on crust 2, make the mud strip body change and come out from droing in crust 2, prevent that mud strip body 1 from gluing to glue on crust 2, accelerated the speed that peels off of mud strip, improved the whole speed of blasting construction.

The mud strip of the utility model wraps the outer skin outside the mud strip body, which is beneficial to the transportation and storage of the mud strip; the easy-tearing strip 22 and the outer skin body 21 are encircled to form a package of the mud strip body 1, so that the outer skin 2 is easy to tear, and the mud strip body 1 is convenient to plug and fill.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not a limitation to the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis should belong to the protection scope of the present invention.

Claims

1. An emulsion explosive-shaped mud strip is characterized by comprising a mud strip body (1) and an outer skin (2) arranged outside the mud strip body;

the mud bar comprises a mud bar body, a sheath (2) and a pull head, wherein the sheath (2) comprises a sheath body (21) wrapping the mud bar body, an easy-to-tear strip (22) arranged along the axial direction of the sheath body (21), and an easy-to-tear pull head (23) fixedly connected with the easy-to-tear strip (22) and positioned at one end of the mud bar body (1); the outer skin body (21) and the easy-tearing strip (22) are encircled to form complete package of the mud strip body (1);

the material of the joint of the easy-tearing strip (22) and the outer skin body (21) is thinner than that of the outer skin body (21).

2. An emulsion explosive-shaped mud strip according to claim 1, wherein the easy-tear strip (22), the easy-tear slider (23) and the outer skin body (21) are made of the same material.

3. An emulsion explosive-like clay stick as claimed in claim 2, wherein one end of the clay stick body (1) close to the easy-tearing slider (23) is in a truncated cone shape with gradually reduced diameter.

4. An emulsion explosive-shaped mud strip according to claim 3, wherein an anti-sticking oil layer is arranged on the outer surface of the mud strip body (1) for preventing the mud strip body from sticking on the outer skin (2).