CN219244452U

CN219244452U - Once well system for medium-length hole blasting

Info

Publication number: CN219244452U
Application number: CN202320910826.6U
Authority: CN
Inventors: 杨甜滋; 王金天; 许乐
Original assignee: Hami Hexin Mining Industry Co ltd
Current assignee: Hami Hexin Mining Industry Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-06-23
Anticipated expiration: 2033-04-21

Abstract

The utility model belongs to the technical field of blasting well completion, and in particular relates to a medium-length hole blasting one-time well completion system which comprises a well completion working surface and a counterweight column, wherein a blasting hole is formed in the well completion working surface, a supporting plate is sleeved on the outer side of the counterweight column in a sliding manner, a clamping hole is formed in the counterweight column, a sliding rod is connected in a sliding manner in the supporting plate, a clamping rod is fixedly connected onto the sliding rod, the clamping rod is in sliding connection with the clamping hole, an end rod is fixedly connected onto the sliding rod, the end rod is in sliding connection with the supporting plate, and an end disc is fixedly connected onto the end rod. According to the scheme, through the setting of the blast hole, the blasting detonator can be filled for use, then the primary well forming operation of medium-length hole blasting is completed, the support plate is pushed to move downwards, the protection plate is in contact with a well forming working surface, the support plate can be limited under the action of the structures such as the clamping rod, the clamping hole and the spring, the support plate is in a stable state after the position of the support plate is adjusted, and the support plate is convenient for use of acting personnel.

Description

Once well system for medium-length hole blasting

Technical Field

The utility model belongs to the technical field of blasting well completion, and particularly relates to a medium-length hole blasting one-time well completion system.

Background

In the medium-length hole stoping process of underground mine, rock drilling, cutting well pulling, charging, blasting, ore drawing and the like form a stoping cycle, wherein the cutting well pulling is one of the key processes, the cutting well is a necessary project before stoping ore bodies, an initial free surface is supplied for stoping blasting of the ore bodies, compensation space is supplied for caving ore after blasting, and the first project of the cutting well pulling is needed to be achieved before the ore bodies formally begin stoping.

The utility model discloses a one-time medium-length hole blasting well-forming hole distribution structure in the patent with the publication number of CN216845924U, which comprises the following steps: the central charging hole is arranged at the central position of the well-forming working surface; the first empty holes are arranged around the central charging hole and provide compensation space for blasting the central charging hole; the second charging holes are positioned on the outer rings of the first holes and are arranged around the first holes; the third charging holes are positioned on the outer rings of the second charging holes and are arranged around the second charging holes; the fourth empty holes are positioned on the outer rings of the third charging holes and are arranged around the third charging holes; the fifth charging holes are positioned on the outer rings of the fourth holes and are arranged around the fourth holes; the plurality of sixth charging holes are positioned on the outer ring of the plurality of fifth charging holes and are arranged around the plurality of fifth charging holes; the fourth empty holes provide compensation spaces for the second, third, fifth and sixth charging holes during blasting; the technology realizes safe and efficient one-time well formation.

However, the existing primary medium-length hole blasting well completion system has certain defects, firstly, the existing primary medium-length hole blasting well completion system has no clamping rod, clamping hole, spring and other structures, the position of the supporting plate is difficult to adjust and use, and secondly, the existing primary medium-length hole blasting well completion system also has no good protection mechanism, and the broken stone splashed in the blasting process is difficult to block.

Disclosure of Invention

The utility model aims to provide a primary well completion system for medium-length hole blasting, which solves the problems that the existing primary well completion system for medium-length hole blasting has no structure such as clamping rods, clamping holes, springs and the like, is difficult to adjust and use the position of a supporting plate, and has no good protection mechanism and is difficult to block broken stone splashed in the blasting process.

In order to achieve the above purpose, the utility model provides a medium-length hole blasting one-time well forming system, which comprises a well forming working surface and a counterweight column, wherein a blasting hole is formed in the well forming working surface, a supporting plate is sleeved on the outer side of the counterweight column in a sliding manner, a clamping hole is formed in the counterweight column, a sliding rod is connected in a sliding manner in the supporting plate, a clamping rod is fixedly connected to the sliding rod, the clamping rod is in sliding connection with the clamping hole, an end rod is fixedly connected to the sliding rod, the end rod is in sliding connection with the supporting plate, an end disc is fixedly connected to the end rod, a first spring is arranged on the outer side of the end rod, and a protection mechanism is arranged on the supporting plate.

The principle of the utility model is as follows: the blasting detonator is inserted into the blasting hole, then the end disc is pulled to move in a direction away from the supporting plate so as to drive the end rod to move, and then the sliding rod is driven to slide, the spring is stressed to deform, the sliding rod is driven to move by stress, finally the clamping rod is separated from the clamping hole, the supporting plate is pushed to move downwards along the surface of the counterweight column, the clamping rod is stressed to slide along the surface of the counterweight column, when the clamping rod slides into the next clamping hole formed in the counterweight column, the spring is restored to deform so as to push the clamping rod to be inserted into the clamping hole, the supporting plate is limited, and the supporting plate drives the protection plate to contact with the well forming working surface;

the method comprises the steps of starting a blasting detonator remotely, performing primary blasting well forming operation on a well forming working surface, in the process, impacting a protection plate by splashed broken stone, enabling the protection plate to bear force to push a connecting rod to move, enabling a second spring to deform, buffering and releasing impact force to be carried out under the deformation action of the second spring, enabling the connecting rod to bear force to drive a friction pad to slide along the inner wall of a fixed cylinder, carrying out abrasion on redundant deformation stress generated by the second spring, extruding a friction ball by friction Kong Shouli, enabling the friction ball to bear force to push an elastomer to deform, enabling the friction ball to be separated from a friction hole finally, enabling the friction ball to slide along the inner wall of the fixed cylinder under the action of force, enabling the elastomer to resume deformation when the friction ball slides into the next friction hole formed in the fixed cylinder, and enabling the friction ball to slide into the friction hole to repeatedly start, and carrying out abrasion treatment on redundant deformation stress generated by the second spring.

The utility model has the beneficial effects that: this scheme is through setting up of blast hole, can pack the use to blasting detonator, and then accomplish the primary well operation of medium-length hole blasting, move down through promoting the backup pad, make guard plate and well working face contact, under the effect of structure such as clamping lever, the card hole, the spring, can carry out spacingly to the backup pad, make the backup pad be in steady state after adjusting the position, be convenient for the use of action personnel, through the setting of guard plate, the structure such as spring, can block the rubble that the blasting produced, and then carry out safety protection to the operating personnel of job site, under the effect of elastomer, friction hole, friction ball isotructure, can wear out the unnecessary deformation stress that produces the spring two, avoid the unnecessary shake problem of guard plate.

Further, two clamping holes are formed, the two clamping holes are uniformly distributed on the counterweight column, and clamping rods are matched to be clamped conveniently through the arrangement of the clamping holes.

Further, one end of the first spring is welded with the end disc, the other end of the first spring is welded with the sliding rod, and the sliding rod can be tightly propped through the arrangement of the first spring.

Further, protection machanism includes connecting rod, guard plate, spring two, fixed section of thick bamboo, friction pad, friction hole, elastomer and friction ball, sliding connection has the connecting rod in the backup pad, fixedly connected with guard plate on the connecting rod, the outside of connecting rod is provided with spring two, fixedly connected with fixed section of thick bamboo in the backup pad, fixed section of thick bamboo and connecting rod sliding connection, the friction hole has been seted up in the fixed section of thick bamboo, fixedly connected with elastomer on the connecting rod, the bonding has the friction ball on the elastomer, friction ball and friction hole sliding connection can block the rubble that splashes through the setting of guard plate.

Further, one end and the backup pad welding of spring two, the other end and the guard plate welding of spring two, through the setting of spring two, can connect the guard plate and use.

Further, friction hole is provided with a plurality ofly, and is a plurality of friction hole evenly distributed on the fixed cylinder, through the setting of friction hole, is convenient for cooperate the friction ball to use.

Further, fixedly connected with friction pad on the connecting rod, friction pad and fixed cylinder sliding connection through the setting of friction pad, can improve the wearing and tearing effect to two unnecessary deformation stress of spring.

Drawings

FIG. 1 is a perspective view of the overall structure of a primary well completion system for deep hole blasting in an embodiment of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of a deep hole blasting once-through well system in accordance with an embodiment of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A of a one-shot deep hole blasting system according to an embodiment of the present utility model;

fig. 4 is an enlarged view of the partial protection mechanism of fig. 2 of the deep hole blasting one-time well system according to an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the well-forming working face 1, the counterweight post 2, the blast hole 3, the supporting plate 4, the clamping hole 5, the sliding rod 6, the clamping rod 7, the end rod 8, the end disc 9, the first spring 10, the protection mechanism 11, the connecting rod 111, the protection plate 112, the second spring 113, the fixed cylinder 114, the friction pad 115, the friction hole 116, the elastic body 117 and the friction ball 118.

As shown in fig. 1, fig. 2 and fig. 3, the embodiment provides a primary well forming system for medium-length hole blasting, which comprises a well forming working surface 1 and a counterweight column 2, wherein a blasting hole 3 is formed in the well forming working surface 1, a supporting plate 4 is sleeved on the outer side of the counterweight column 2 in a sliding manner, clamping holes 5 are formed in the counterweight column 2, two clamping holes 5 are uniformly distributed on the counterweight column 2, the clamping holes 5 are arranged and are convenient to be matched with clamping rods 7 for clamping, a sliding rod 6 is slidably connected in the supporting plate 4, a clamping rod 7 is fixedly connected on the sliding rod 6, the clamping rod 7 is slidably connected with the clamping holes 5, an end rod 8 is fixedly connected on the sliding rod 6, the end rod 8 is slidably connected with the supporting plate 4, an end disc 9 is fixedly connected on the end rod 8, a first spring 10 is arranged on the outer side of the end rod 8, one end of the first spring 10 is welded with the end disc 9, the other end of the first spring 10 is welded with the sliding rod 6, the sliding rod 6 can be tightly pressed through the arrangement of the first spring 10, and a protection mechanism 11 is arranged on the supporting plate 4.

As shown in fig. 1, fig. 2 and fig. 4, the protection mechanism 11 comprises a connecting rod 111, a protection plate 112, a second spring 113, a fixing cylinder 114, a friction pad 115, a friction hole 116, an elastic body 117 and a friction ball 118, wherein the connecting rod 111 is connected in a sliding manner in the supporting plate 4, the protection plate 112 is fixedly connected to the connecting rod 111, the second spring 113 is arranged on the outer side of the connecting rod 111, the fixing cylinder 114 is fixedly connected to the supporting plate 4, the fixing cylinder 114 is connected with the connecting rod 111 in a sliding manner, the friction hole 116 is formed in the fixing cylinder 114, the elastic body 117 is fixedly connected to the connecting rod 111, the friction ball 118 is bonded to the elastic body 117 in a sliding manner, and splashed broken stones can be blocked through the arrangement of the protection plate 112.

As shown in fig. 1, 2 and 4, one end of the second spring 113 is welded with the support plate 4, the other end of the second spring 113 is welded with the protection plate 112, the protection plate 112 can be connected for use through the arrangement of the second spring 113, the friction holes 116 are formed in a plurality of uniformly distributed manner on the fixed cylinder 114, the friction holes 116 are arranged so as to be convenient for being matched with the friction balls 118 for use, the friction pad 115 is fixedly connected on the connecting rod 111, the friction pad 115 is in sliding connection with the fixed cylinder 114, and the abrasion effect on redundant deformation stress of the second spring 113 can be improved through the arrangement of the friction pad 115.

The specific implementation process of the utility model is as follows: the blasting detonator is inserted into the blasting hole 3, then the end disc 9 is pulled to move in a direction away from the supporting plate 4, so that the end rod 8 is driven to move, the sliding rod 6 is driven to slide, the first spring 10 is stressed to deform, the sliding rod 6 is stressed to drive the clamping rod 7 to move, finally the clamping rod 7 is separated from the clamping hole 5, the supporting plate 4 is pushed to move downwards along the surface of the counterweight column 2, the clamping rod 7 is stressed to slide along the surface of the counterweight column 2, when the clamping rod 7 slides into the position of the next clamping hole 5 formed in the counterweight column 2, the first spring 10 is restored to deform so as to push the clamping rod 7 to be inserted into the clamping hole 5, the supporting plate 4 is limited, and the supporting plate 4 drives the protection plate 112 to contact with the well-forming working surface 1;

the blasting detonator is remotely started to perform blasting well completion operation on a well completion working surface, in the process, the splashed broken stone impacts the protection plate 112, the protection plate 112 is stressed to push the connecting rod 111 to move, the second spring 113 deforms, impact force can be buffered and released under the deformation action of the second spring 113, the connecting rod 111 is stressed to drive the friction pad 115 to slide along the inner wall of the fixed cylinder 114, redundant deformation stress generated by the second spring 113 is abraded, the friction hole 116 is stressed to squeeze the friction ball 118, the friction ball 118 is stressed to push the elastomer 117 to deform, finally, the friction ball 118 is separated from the friction hole 116, the friction ball 118 slides along the inner wall of the fixed cylinder 114 under the action of force, and when the friction ball 118 slides into the next friction hole 116 formed in the fixed cylinder 114, the elastomer 117 is deformed in a recovery manner to push the friction ball 118 to slide into the friction hole 116, and the redundant deformation stress generated by the second spring 113 is repeatedly processed.

According to the scheme, through the arrangement of the blast holes 3, the blasting detonator can be filled and used, further the primary well forming operation of medium-length hole blasting is completed, the supporting plate 4 is pushed to move downwards, the protecting plate 112 is in contact with the well forming working face 1, the supporting plate 4 can be limited under the action of the clamping rod 7, the clamping hole 5, the first spring 10 and other structures, the supporting plate 4 is in a stable state after the position is adjusted, the use of acting personnel is facilitated, broken stones generated by blasting can be blocked through the arrangement of the protecting plate 112, the second spring 113 and other structures, further safety protection is carried out on the operating personnel on a construction site, and the redundant deformation stress generated by the second spring 113 can be worn under the action of the structures such as the elastomer 117, the friction hole 116 and the friction ball 118, so that the redundant shaking problem of the protecting plate 112 is avoided.

It should be noted in advance that, in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a medium-length hole blasting once becomes well system, includes well working face and balance weight post, its characterized in that: the explosion hole is formed in the well forming working surface, the supporting plate is sleeved on the outer side of the counterweight column in a sliding mode, the clamping hole is formed in the counterweight column, a sliding rod is connected in a sliding mode in the supporting plate, a clamping rod is fixedly connected to the sliding rod, the clamping rod is connected with the clamping hole in a sliding mode, an end rod is fixedly connected to the sliding rod, the end rod is connected with the supporting plate in a sliding mode, an end disc is fixedly connected to the end rod, a first spring is arranged on the outer side of the end rod, and a protection mechanism is arranged on the supporting plate.

2. The medium length hole blasting one-time well completion system of claim 1, wherein: the two clamping holes are uniformly distributed on the weight column.

3. The medium length hole blasting one-time well completion system of claim 1, wherein: one end of the first spring is welded with the end disc, and the other end of the first spring is welded with the sliding rod.

4. The medium length hole blasting one-time well completion system of claim 1, wherein: the protection mechanism comprises a connecting rod, a protection plate, a second spring, a fixed cylinder, a friction pad, a friction hole, an elastic body and a friction ball, wherein the connecting rod is connected in a sliding manner in the supporting plate, the protection plate is fixedly connected onto the connecting rod, the second spring is arranged on the outer side of the connecting rod, the fixed cylinder is fixedly connected onto the supporting plate, the fixed cylinder is in sliding connection with the connecting rod, the friction hole is formed in the fixed cylinder, the elastic body is fixedly connected onto the connecting rod, the friction ball is adhered onto the elastic body, and the friction ball is in sliding connection with the friction hole.

5. The medium length hole blasting one-time well completion system of claim 4, wherein: one end of the second spring is welded with the supporting plate, and the other end of the second spring is welded with the protection plate.

6. The medium length hole blasting one-time well completion system of claim 4, wherein: the friction holes are formed in a plurality of ways, and the friction holes are uniformly distributed on the fixed cylinder.

7. The medium length hole blasting one-time well completion system of claim 4, wherein: the connecting rod is fixedly connected with a friction pad which is in sliding connection with the fixed cylinder.