CN213688086U

CN213688086U - Blasting charge structure for tunnel blasting construction

Info

Publication number: CN213688086U
Application number: CN202020726065.5U
Authority: CN
Inventors: 张俊平; 贾琦; 许彦斌; 王莹莹
Original assignee: Shanxi Mine Construction Co ltd
Current assignee: Shanxi Mine Construction Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-07-13
Anticipated expiration: 2030-04-30

Abstract

The utility model belongs to the technical field of tunnel blasting, especially, relate to a blasting charge structure for tunnel blasting construction, including the blasting machine base, the top of blasting machine base is fixed with motor housing, one side fixedly connected with rolling bearing of motor housing, one side that rolling bearing kept away from motor housing is movable to be installed and is connected with the bearing, one side fixedly connected with drill bit bearing that the bearing kept away from rolling bearing of first connection, one side fixedly installed drill bit that the bearing kept away from first connection bearing of drill bit is connected with the drill bit; the utility model discloses a cooperation between blasting machine base, motor, rolling bearing, drill bit, spiral port, bottom layer board and the explosive package is used, has solved by artifical excavation blast hole, fills in the blast hole with the explosive, then detonates with the detonator, and the excavation process is loaded down with trivial details, when the urgent need blast, the elapsed time is too long, influences blasting efficiency to the explosive package is filled in to the manual work, problem that danger coefficient is high.

Description

Blasting charge structure for tunnel blasting construction

Technical Field

The utility model relates to a tunnel blasting technical field especially relates to a blasting loaded constitution for tunnel blasting construction.

Background

The tunnel is the key and key project for the construction of roads, railways and the like. With the development of railway construction and the progress of science and technology, the tunnel excavation method is rapidly developed. The common excavation methods include a drilling and blasting method, a shield method and a digging machine method. The drilling and blasting method is strong in adaptability to geological conditions and low in excavation cost, and is particularly suitable for the construction of hard rock tunnels, broken rock tunnels and a large number of short tunnels, so that the drilling and blasting method is still a tunnel excavation method commonly used at home and abroad at present, the full-section excavation method is a method for completing the excavation of the whole section at one time by connecting a rock drilling trolley with a drilling, charging, blocking and detonating network in the tunnel construction with better geological conditions, and completing the mucking operation by using mucking and transport machinery, and the full-section excavation method has wide mortising field and large working face space, can fully exert the mechanical efficiency and is convenient for large-scale mechanical operation; only one excavation process is needed, interference is little, the processes are centralized, the excavation work efficiency is high, the construction progress is fast, and disturbance to the tunnel surrounding rock in the excavation process is reduced to the maximum extent; the excavation section is large, the clamping effect of rocks is small, large-scale blasting operation is facilitated, and the deep hole drilling and blasting effect of the tunnel can be fully exerted; the management is convenient, and ventilation, drainage and pipeline arrangement are simple, and the transportation is convenient. The construction of domestic railway tunnels such as Qinling tunnels adopts a full-face excavation method, and successfully realizes that the monthly excavation amount reaches more than 350m and reaches more than 450 m. Practice shows that the full-face excavation method is a reasonable and advanced excavation method for tunneling.

The blasting device commonly used at present all has by the manual work excavation blast hole, packs into the blast hole with the explosive, then detonates with the detonator, and the excavation process is loaded down with trivial details, when the urgent need blasting, the time spent is too long, influences the broken efficiency to pack into the explosive charge in the manual work, the problem that danger coefficient is high.

In order to solve the problems, the application provides a blasting charge structure for tunnel blasting construction.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a blasting loaded constitution for tunnel blasting construction has the machine and excavates the blast hole, and mechanical package, characteristics that danger coefficient is low.

(II) technical scheme

In order to solve the problem, the utility model provides a blasting charge structure for tunnel blasting construction, including the blasting machine base, the top fixed mounting of blasting machine base has motor housing, one side fixedly connected with rolling bearing of motor housing, one side movable mounting that motor housing was kept away from to rolling bearing has first connecting bearing, one side fixedly connected with drill bit bearing of rolling bearing is kept away from to first connecting bearing, one side fixed mounting that first connecting bearing was kept away from to drill bit bearing has the drill bit.

Preferably, the first connecting bearing is far away from the outside fixed mounting in one side of rolling bearing and is rotated the cover, one side fixedly connected with second connecting bearing that rolling bearing was far away from to first connecting bearing, one side fixed mounting that first connecting bearing was kept away from to second connecting bearing has the screw mouth.

Preferably, one side of the first connecting bearing is fixedly connected with a telescopic bearing, a telescopic rod is fixedly mounted inside the telescopic bearing, one side of the telescopic rod, which is far away from the first connecting bearing, is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with a ball bearing, one side of the ball bearing, which is far away from the connecting plate, is fixedly mounted with a bottom supporting plate, and the top of the bottom supporting plate is movably mounted with an explosive bag.

Preferably, one side of the blasting machine base is fixedly connected with a handrail, and a handrail groove is formed in the handrail.

Preferably, the other side of the blasting machine base, which is far away from the handrail, is fixedly connected with a switch bracket, and a switch is fixedly mounted inside the switch bracket.

Preferably, the motor is fixedly mounted inside the motor shell, one side of the motor is movably connected with a fixing buckle, and a fixing screw is movably mounted outside the fixing buckle.

Preferably, the handrail is externally provided with a rubber layer, and the surface of the rubber layer is provided with an anti-skid layer.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model discloses a blasting machine base, handrail groove, switch support, switch, motor housing, including a motor, an end cap, a controller, and a cover plate, rolling bearing, fixed buckle, first connection bearing, drill bit bearing, the drill bit, the rotating sleeve, second connection bearing, the spiral port, telescopic bearing, the telescopic link, the connecting plate, ball bearing, the cooperation between bottom layer board and the explosive package is used, solved and excavated the blast hole by the manual work, pack the explosive into the blast hole, then detonate with the detonator, it is loaded down with trivial details to excavate the process, when the urgent need blast, the time spent is too long, influence blasting efficiency, and the explosive package is packed into to the manual work, the problem that danger coefficient is high;

2. the utility model discloses a through setting up first connection bearing, the rotating sleeve, second connection bearing and spiral mouth, when machinery moves, first connection bearing can drive the second connection bearing in the rotating sleeve and rotate, open the spiral mouth of one side, thereby reach the effect that can excavate inside soil stone, through setting up first connection bearing, telescopic bearing, the telescopic link, the connecting plate, ball bearing, the bottom layer board, after inside soil stone excavates and finishes, first connection bearing can drive the rotating sleeve and go deep into the blast hole, then telescopic link inside telescopic bearing can drive the explosive package through connecting plate and bottom layer board and reach the target point, bottom ball bearing can put down the bottom layer board in the process of dragging backward, thereby reach the effect of mechanical transportation explosive package, through setting up handrail and handrail groove, when machinery moves, can hand machinery, thereby reach the effect of convenient operation, through setting up the switch, when needs close and open machinery, can accomplish the operation through the switch to reach the effect of convenient control, through setting up motor and fixed buckle, after the drill bit is accomplished drilling, close the motor, open fixed buckle, change excavating gear, thereby reach the effect of the change equipment of being convenient for.

Drawings

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

fig. 2 is a schematic view of the installation of the screw port of the present invention;

FIG. 3 is a schematic view of the installation of the bottom pallet of the present invention;

fig. 4 is a right-side view structural schematic diagram of the screw port in fig. 2 of the present invention.

Reference numerals:

1. a blasting machine base; 2. a handrail; 3. a handrail groove; 4. a switch bracket; 5. a switch; 6. a motor housing; 7. a motor; 8. a rotating bearing; 9. fixing the buckle; 10. a first connecting bearing; 11. a bit bearing; 12. a drill bit; 13. rotating the sleeve; 14. a second connecting bearing; 15. a screw opening; 16. a telescopic bearing; 17. A telescopic rod; 18. a connecting plate; 19. a ball bearing; 20. a bottom pallet; 21. an explosive package.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the utility model provides a blasting loaded constitution for tunnel blasting construction, including blasting machine base 1, the top fixed mounting of blasting machine base 1 has motor housing 6, and one side fixedly connected with rolling bearing 8 of motor housing 6, one side movable mounting that motor housing 6 was kept away from to rolling bearing 8 have first coupling bearing 10, and one side fixedly connected with drill bit bearing 11 that rolling bearing 8 was kept away from to first coupling bearing 10, and one side fixed mounting that first coupling bearing 10 was kept away from to drill bit bearing 11 has drill bit 12.

As shown in fig. 2, the outside fixed mounting in one side that first coupling bearing 10 keeps away from rolling bearing 8 has rotating sleeve 13, one side fixedly connected with second coupling bearing 14 that first coupling bearing 10 keeps away from rolling bearing 8, one side fixed mounting that second coupling bearing 14 keeps away from first coupling bearing 10 has screw mouth 15, through setting up first coupling bearing 10, rotating sleeve 13, second coupling bearing 14 and screw mouth 15, when machinery is operated, first coupling bearing 10, can drive rotating sleeve 13 inside second coupling bearing 14 and rotate, open screw mouth 15 of one side, thereby reach the effect that can excavate inside soil stone.

As shown in fig. 3, a telescopic bearing 16 is fixedly connected to one side of the first connecting bearing 10, a telescopic rod 17 is fixedly installed inside the telescopic bearing 16, a connecting plate 18 is fixedly connected to one side of the telescopic rod 17 away from the first connecting bearing 10, a ball bearing 19 is fixedly connected to the bottom of the connecting plate 18, a bottom supporting plate 20 is fixedly installed on one side of the ball bearing 19 away from the connecting plate 18, an explosive cartridge 21 is movably installed at the top of the bottom supporting plate 20, after the excavation of the internal earth and stone is completed, the first connecting bearing 10 drives the rotating sleeve 13 to go deep into the blast hole, then the telescopic rod 17 inside the telescopic bearing 16 drives the explosive cartridge 21 to reach a target point through the connecting plate 18 and the bottom supporting plate 20, and the bottom ball bearing 19 is in the process of backward dragging, the bottom pallet 20 is lowered to effect mechanical transport of the explosive charge 21.

As shown in fig. 1, one side of a base 1 of the blasting machine is fixedly connected with a handrail 2, a handrail groove 3 is formed in the handrail 2, and the machine can be held by the handrail 2 and the handrail groove 3 when the machine operates, so that the effect of convenient operation is achieved.

As shown in FIG. 1, the other side fixedly connected with switch bracket 4 of handrail 2 is kept away from to blasting machine base 1, and the inside fixed mounting of switch bracket 4 has switch 5, through setting up switch 5, when needs close and open machinery, can accomplish the operation through switch 5 to reach the effect of convenient control.

As shown in fig. 1, motor 7 is fixedly mounted inside motor housing 6, one side swing joint of motor 7 has fixed buckle 9, and the outside swing joint of fixed buckle 9 has a set screw, and through setting up motor 7 and fixed buckle 9, after 12 heads of drill bits accomplish drilling, close motor 7, open fixed buckle 9, change excavating gear to reach the effect of being convenient for change equipment.

As shown in fig. 1, the exterior of the handrail 2 is provided with a rubber layer, and the surface of the rubber layer is provided in a wave shape.

In this embodiment, the model number of the motor 7 is Y280S-2.

The utility model provides a pair of a blasting loaded constitution's for tunnel blasting construction theory of operation as follows:

when in use, before blasting, the drill bit 12 of the equipment is operated, firstly the switch 5 is pressed down, the operation motor 7 is started, the first connecting bearing 10 is driven to rotate by the rotating bearing 8, then the drill bit 12 is carried by the drill bit bearing 11 to drill the earth stone layer, then the second connecting bearing 14 in the rotating sleeve 13 is driven to rotate by arranging the first connecting bearing 10, the spiral opening 15 on one side is opened, so that the effect of excavating the internal earth stone is achieved, after the excavation of the internal earth stone is finished, the first connecting bearing 10 drives the rotating sleeve 13 to go deep into the blast hole, then the telescopic rod 17 in the telescopic bearing 16 drives the explosive charge 21 to reach a target point by arranging the first connecting bearing 10, the telescopic bearing 16, the telescopic rod 18 and the bottom support plate 20, and the bottom ball bearing 19 drives the explosive charge 21 to move backwards in the process of dragging, bottom layer board 20 can be put down, thereby reach the effect of mechanical transportation explosive package 21, through setting up handrail 2 and handrail groove 3, when machinery operates, can hand machinery, thereby reach the effect of convenient operation, through setting up switch 5, when needs close and open machinery, can accomplish the operation through switch 5, thereby reach the effect of convenient control, through setting up motor 7 and fixed buckle 9, after 12 completion drilling of drill bit, close motor 7, open fixed buckle 9, change excavating gear, thereby reach the effect of being convenient for change equipment.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blasting loaded constitution for tunnel blasting construction, includes blasting machine base (1), its characterized in that, the top fixed mounting of blasting machine base (1) has motor housing (6), one side fixedly connected with rolling bearing (8) of motor housing (6), one side movable mounting that motor housing (6) were kept away from in rolling bearing (8) has first connection bearing (10), one side fixedly connected with drill bit bearing (11) of rolling bearing (8) are kept away from in first connection bearing (10), one side fixed mounting that first connection bearing (10) were kept away from in drill bit bearing (11) has drill bit (12).

2. A blasting charge structure for tunnel blasting construction according to claim 1, wherein a rotating sleeve (13) is fixedly mounted on the outside of one side of the first connecting bearing (10) far away from the rotating bearing (8), a second connecting bearing (14) is fixedly connected to one side of the first connecting bearing (10) far away from the rotating bearing (8), and a spiral port (15) is fixedly mounted on one side of the second connecting bearing (14) far away from the first connecting bearing (10).

3. The blasting charge structure for tunnel blasting construction according to claim 1, wherein a telescopic bearing (16) is fixedly connected to one side of the first connecting bearing (10), a telescopic rod (17) is fixedly installed inside the telescopic bearing (16), a connecting plate (18) is fixedly connected to one side, away from the first connecting bearing (10), of the telescopic rod (17), a ball bearing (19) is fixedly connected to the bottom of the connecting plate (18), a bottom supporting plate (20) is fixedly installed to one side, away from the connecting plate (18), of the ball bearing (19), and a blasting charge (21) is movably installed at the top of the bottom supporting plate (20).

4. The blasting charge structure for tunnel blasting construction according to claim 1, wherein a handrail (2) is fixedly connected to one side of the blasting machine base (1), and a handrail groove (3) is formed in the handrail (2).

5. A blasting charge structure for tunnel blasting construction according to claim 1, characterized in that a switch bracket (4) is fixedly connected to the other side of the blasting machine base (1) far from the handrail (2), and a switch (5) is fixedly mounted inside the switch bracket (4).

6. The blasting charge structure for tunnel blasting construction according to claim 1, wherein a motor (7) is fixedly installed inside the motor housing (6), a fixing buckle (9) is movably connected to one side of the motor (7), and a fixing screw is movably installed outside the fixing buckle (9).

7. A blasting charge configuration for tunnel blasting according to claim 4, characterized in that the handrail (2) is provided with a rubber layer on its exterior, and the rubber layer is provided with a wave-shaped surface.