CN216898577U

CN216898577U - Safe and efficient composite blasting auxiliary device for tunnel

Info

Publication number: CN216898577U
Application number: CN202220610650.8U
Authority: CN
Inventors: 黄刚; 易久鈜; 伯斌; 廖珊
Original assignee: Sichuan Zhengyi Construction Engineering Co ltd
Current assignee: Sichuan Zhengyi Construction Engineering Co ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-07-05
Anticipated expiration: 2032-03-19

Abstract

The utility model relates to a high-efficient compound blasting auxiliary device of tunnel safety, it includes the automobile body, it is provided with the installation piece to slide on the automobile body, be provided with on the automobile body and be used for ordering about the gliding first driving piece of installation piece, it is provided with the drill bit to rotate on the installation piece, be provided with on the installation piece and be used for ordering about drill bit pivoted driving source, still be provided with the drop feed mechanism who is used for filling the explosive to the downthehole on the installation piece. This application has the effect of the security when improving tunnel construction.

Description

Safe and efficient composite blasting auxiliary device for tunnel

Technical Field

The application relates to the technical field of tunnel construction, in particular to a safe and efficient composite blasting auxiliary device for a tunnel.

Background

The tunnel is a key project for constructing roads, railways and the like; tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, mine tunnels and military tunnels according to specific purposes; with the progress of the scientific and technological level, the tunnel excavation method is also developed rapidly, and the more commonly used excavation methods include a drilling and blasting method, a shield method and a tunneling machine method.

At present, the drilling and blasting method has strong adaptability to geological conditions and low excavation cost, is particularly suitable for the construction of hard rock tunnels, broken rock tunnels and a large number of short tunnels, and is widely applied domestically; during construction, firstly drilling holes at a designated position through drilling equipment, installing explosives in the drilled holes to perform blasting, then cleaning the blasted broken stones, repeating the previous steps, tunneling a certain distance in each blasting process, and finally pouring concrete lining from bottom to top according to process requirements to form the tunnel.

After blasting, partial rock mass in the tunnel is relatively not hard up, and when the workman continues to carry out drilling construction in the tunnel, the rock mass dropped easily and caused the injury to the workman.

SUMMERY OF THE UTILITY MODEL

In order to improve the security when tunnel construction, this application provides a high-efficient compound blasting auxiliary device of tunnel safety.

The application provides a pair of high-efficient compound blasting auxiliary device of tunnel safety adopts following technical scheme:

the utility model provides a high-efficient compound blasting auxiliary device of tunnel safety, includes the automobile body, it is provided with the installation piece to slide on the automobile body, be provided with on the automobile body and be used for ordering about the gliding first driving piece of installation piece, it is provided with the drill bit to rotate on the installation piece, be provided with on the installation piece and be used for ordering about drill bit pivoted driving source, still be provided with the drop feed mechanism that is used for to downthehole explosive of packing in the installation piece.

By adopting the technical scheme, when the tunnel is blasted, the explosive is placed on the discharging mechanism, the vehicle body is moved to enable the vehicle body to enter the tunnel, after the vehicle body is moved to a specified position, the drill bit is driven to rotate through the driving source, so that the inner wall of the tunnel is drilled, after the drilling is finished, the mounting block is driven to move for a certain distance through the first driving piece, the explosive is placed in the drilled hole through the discharging mechanism, and then the vehicle body exits from the tunnel, so that the blasting construction operation of the tunnel can be realized; in the process of tunnel construction, the life safety of workers can be ensured, so that the safety of tunnel construction is greatly improved.

Optionally, the installation piece is provided with the ratch in the rotation, the driving source is used for driving the ratch and rotates, coaxial fixed being provided with the transfer line on the drill bit, the tooth's socket has been seted up along the length direction of transfer line to the one end of keeping away from the drill bit on the transfer line, the ratch is worn to locate in the tooth's socket, be provided with on the installation piece and be used for driving about the gliding drive assembly of transfer line.

Through adopting above-mentioned technical scheme, order about the ratch through the driving source and rotate to drive the transfer line and rotate, thereby order about the drill bit and rotate, the drill bit rotates the in-process, orders about the drill bit through first drive assembly and slides along the length direction of ratch, carries out the drilling operation to the tunnel wall, and the automobile body need not remove when carrying out the drilling operation to the tunnel wall, thereby has improved the precision of drilling greatly.

Optionally, the first driving assembly comprises a bearing, a connecting rod and a second driving piece, the bearing sleeve is arranged on the transmission rod, the inner ring of the bearing is fixedly connected with the transmission rod, the connecting rod is fixedly connected with the outer ring of the bearing, and the second driving piece is used for driving the connecting rod to slide.

Through adopting above-mentioned technical scheme, order about the connecting rod through the second driving piece and slide, move through pushing away the bearing when the connecting rod is gliding to under the circumstances that does not influence the drill bit pivoted, make the drill bit slide along the length direction of tooth bar.

Optionally, the discharging mechanism comprises a material carrying plate, a third driving piece and a material pushing assembly, the material carrying plate is arranged on the mounting block along the axial sliding direction of the drill bit, the material carrying plate is used for placing explosives, the third driving piece is used for driving the material carrying plate to slide, and the material pushing assembly is used for pushing the explosives away from the material carrying plate.

Through adopting above-mentioned technical scheme, before the construction, place the explosive in advance on carrying the flitch, after the drilling is accomplished, first driving piece orders about the installation piece and slides certain distance for carry the flitch and just right with the hole position that drills, carry the flitch and get into the hole that drills under the drive of third driving piece, later, push away from the explosive from carrying the flitch through pushing away the material subassembly, thereby place the explosive downthehole.

Optionally, the material carrying plate is fixedly provided with a fixed block, the fixed block is rotatably provided with a first guard arm and a second guard arm, the first guard arm and the second guard arm deflect along the direction of being close to or far away from each other, a placement area for placing explosives is formed between the first guard arm and the second guard arm, the fixed block is provided with a second driving assembly for driving the first guard arm and the second guard arm to rotate, and the material pushing assembly is used for pushing the explosives out from the placement area.

Through adopting above-mentioned technical scheme, place the explosive in first armguard and the second armguard is placed the interval between to increase the stability of explosive on year flitch, prevent to a certain extent at the drilling in-process, or the automobile body removes the in-process, the explosive drops from carrying the flitch.

Optionally, the material pushing assembly comprises a driving cylinder and a material pushing plate, the driving cylinder is fixedly arranged on the material carrying plate, an output shaft of the driving cylinder penetrates through the fixing block and is in sliding connection with the fixing block, the material pushing plate is arranged in the placement area in a sliding mode, and the material pushing plate is fixedly connected with the output shaft of the driving cylinder.

Through adopting above-mentioned technical scheme, the explosive gets into tunnel wall downthehole back, drives the scraping wings slip through driving actuating cylinder to push away the explosive from placing the interval.

Optionally, the second driving assembly comprises a first connecting rod, a second connecting rod, a connecting plate and an elastic piece, the first connecting rod is hinged to the first guard arm, the second connecting rod is hinged to the second guard arm, the connecting plate is hinged to the first connecting rod and the second connecting rod respectively, an output shaft of the driving cylinder penetrates through the connecting plate and is in sliding connection with the connecting plate, the connecting plate is located between the material pushing plate and the fixed block, and the elastic piece is used for driving the connecting plate to slide in the direction away from the fixed block.

By adopting the technical scheme, the driving cylinder drives the material pushing plate to slide towards the direction close to the fixed block and drives the connecting plate to be close to the fixed block, meanwhile, the connecting plate drives the first connecting rod and the second connecting rod to rotate and drives the first guard arm and the second guard arm to deflect along the mutually close direction, so that the explosive is placed in a placing interval between the first guard arm and the second guard arm; when the explosive is required to be pushed out to place an interval, the pushing plate is driven to be far away from the fixed block through the driving cylinder, the connecting plate slides towards the direction far away from the fixed block under the action of the elastic force of the elastic piece, and the first protection arm and the second protection arm are respectively pushed to deflect towards the directions far away from each other through the first connecting rod and the second connecting rod, so that the explosive can be pushed out to place the interval.

Optionally, the elastic part comprises a pressure spring, a containing groove is formed in one end, close to the connecting plate, of the fixing block along the sliding direction of the connecting plate, the pressure spring is arranged in the containing groove, one end of the pressure spring is abutted to the bottom wall of the containing groove, and the other end of the pressure spring is abutted to the connecting plate.

Through adopting above-mentioned technical scheme, the scraping wings is when sliding to being close to the fixed block direction, and the spring receives the compression, with the spring setting in the storage tank, prevents to a certain extent that the spring from being crushed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the tunnel is blasted, the explosive is placed on the discharging mechanism, the vehicle body is moved to enable the vehicle body to enter the tunnel, after the vehicle body moves to a specified position, the drill bit is driven to rotate through the driving source, so that the inner wall of the tunnel is drilled, after the drilling is finished, the mounting block is driven to move for a certain distance through the first driving piece, the explosive is placed in the drilled hole through the discharging mechanism, and then the vehicle body exits from the tunnel, so that the blasting construction operation of the tunnel can be realized; in the construction process of the tunnel, the life safety of workers is ensured, so that the safety in tunnel construction is greatly improved;

2. the driving source drives the toothed rod to rotate and drives the transmission rod to rotate, so that the drill bit is driven to rotate, the drill bit is driven to slide along the length direction of the toothed rod through the first driving assembly in the rotating process of the drill bit, the drilling operation is performed on the tunnel wall, and the vehicle body does not need to move when the drilling operation is performed on the tunnel wall, so that the drilling precision is greatly improved;

3. place the interval of placing between first armguard and the second armguard with the explosive to increase the stability of explosive on year flitch, prevent to a certain extent at the drilling in-process, or the automobile body removes the in-process, the explosive drops from carrying the flitch.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partial schematic structural diagram of an embodiment of the present application, used primarily to express the connection relationship of the drill bit and the mounting blocks;

fig. 3 is a partial schematic structural diagram of an embodiment of the present application, and is mainly used for expressing a schematic structural diagram of a pusher assembly.

Description of reference numerals: 1. a vehicle body; 11. a support frame; 12. a first cylinder; 13. a camera; 2. mounting blocks; 21. a drill bit; 211. a transmission rod; 2111. a tooth socket; 22. a rack bar; 23. a drive motor; 24. a first drive assembly; 241. a bearing; 242. a connecting rod; 243. a second cylinder; 3. a discharging mechanism; 31. a material carrying plate; 311. a fixed block; 3111. a containing groove; 312. a first guard arm; 313. a second guard arm; 314. placing the interval; 32. a third cylinder; 33. a material pushing assembly; 331. a driving cylinder; 332. a material pushing plate; 4. a second drive assembly; 41. a first link; 42. a second link; 43. a connecting plate; 44. and (5) pressing a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high-efficient compound blasting auxiliary device of tunnel safety. Referring to fig. 1, the vehicle comprises a vehicle body 1, a support frame 11 fixedly arranged on the vehicle body 1, and an installation block 2 slidably arranged on the support frame 11, wherein a first driving piece for driving the installation block 2 to slide is arranged on the vehicle body 1, and a camera 13 is rotatably arranged on the top wall of the support frame 11; the installation block 2 is rotatably provided with a drill bit 21, the installation block 2 is provided with a driving source for driving the drill bit 21 to rotate, and the installation block 2 is further provided with a discharging mechanism 3 for filling explosives into the hole.

Referring to fig. 1, a first chute has been seted up along vertical direction to the lateral wall of support frame 11, and the fixed slider that is provided with on installation piece 2, the slider slides and sets up in first chute, and the slider is the T-shaped piece, and first chute is the T-slot, and first driving piece includes first cylinder 12, and first cylinder 12 is fixed to be set up on automobile body 1, the piston rod and the installation piece 2 fixed connection of first cylinder 12.

Referring to fig. 2, the lateral wall of installation piece 2 rotates and is provided with ratch 22, and the axial of ratch 22 is perpendicular with the slip side of installation piece 2, and the axis of rotation of ratch 22 and the coincidence of the axis of ratch 22, and the lateral wall of ratch 22 is provided with the latch, and the driving source includes driving motor 23, has seted up the installation cavity on the installation piece 2, and driving motor 23 is fixed to be set up in the installation cavity, and driving motor 23's output shaft extends to outside the installation cavity and with the coaxial fixed connection of ratch 22.

Referring to fig. 2, a transmission rod 211 is coaxially and fixedly arranged at the tail end of the drill bit 21, a tooth slot 2111 is formed in one end, away from the drill bit 21, of the transmission rod 211 along the length direction of the transmission rod 211, the tooth bar 22 is arranged in the tooth slot 2111 in a penetrating manner, a latch on the tooth bar 22 is matched with the tooth slot 2111, and a first driving assembly 24 for driving the transmission rod 211 to slide is arranged on the mounting block 2; drive gear rack 22 through driving motor 23 and rotate to drive transfer line 211 and rotate, thereby drive drill bit 21 and rotate, drill bit 21 rotates the in-process, drives drill bit 21 through first drive assembly 24 and slides along gear rack 22's length direction, carries out the drilling operation to the tunnel wall, and automobile body 1 need not remove when carrying out the drilling operation to the tunnel wall, thereby has improved the precision of drilling greatly.

Referring to fig. 2, the first driving assembly 24 includes a bearing 241, a connecting rod 242 and a second driving member, the bearing 241 is sleeved on the driving rod 211, an inner ring of the bearing 241 is fixedly connected with the driving rod 211, the connecting rod 242 is fixedly arranged on an outer ring of the bearing 241, the second driving member includes a second cylinder 243, the second cylinder 243 is fixedly arranged on a side wall of the mounting block 2, and a piston rod of the second cylinder 243 is fixedly connected with the connecting rod 242; the connecting rod 242 is driven to slide by the second cylinder 243, and the connecting rod 242 moves together by the pushing bearing 241 while sliding, so that the drill bit 21 slides along the length direction of the rack bar 22 without affecting the rotation of the drill bit 21.

Referring to fig. 2, the discharging mechanism 3 includes a material carrying plate 31, a third driving member and a material pushing assembly 33, a second chute is formed in the top wall of the mounting block 2 along the axial direction of the drill bit 21, the material carrying plate 31 is slidably disposed in the second chute, the length direction of the material carrying plate 31 is axially parallel to the axial direction of the drill bit 21, the third driving member includes a third cylinder 32, the third cylinder 32 is fixedly disposed on the top wall of the mounting block 2, and a piston rod of the third cylinder 32 is fixedly connected to the material carrying plate 31.

Referring to fig. 3, a fixed block 311 is fixedly arranged on the top wall of the loading plate 31, a first protection arm 312 and a second protection arm 313 are rotatably arranged at one end of the fixed block 311, which is far away from the support frame 11, the first protection arm 312 and the second protection arm 313 deflect along the direction of approaching or separating from each other, a placing area 314 for placing explosives is formed between the first protection arm 312 and the second protection arm 313, a second driving assembly 4 for driving the first protection arm 312 and the second protection arm 313 to rotate is arranged on the fixed block 311, and the pushing assembly 33 is used for pushing the explosives out of the placing area 314; the explosive is placed in the placing section 314 between the first guard arm 312 and the second guard arm 313, so that the stability of the explosive on the loading plate 31 is increased, and the explosive is prevented from falling off the loading plate 31 to a certain extent in the drilling process or the moving process of the vehicle body 1.

Referring to fig. 3, the second driving assembly 4 includes a first link 41, a second link 42, a connecting plate 43, and an elastic member, the first link 41 is hinged to one end of the first guard arm 312 near the first guard arm 312, the second link 42 is hinged to one end of the second guard arm 313 near the first guard arm 312, and the connecting plate 43 is hinged to the first link 41 and the second link 42, respectively.

Referring to fig. 3, the elastic member includes a compression spring 44, one end of the fixed block 311 close to the connecting plate 43 is provided with an accommodating groove 3111 along the sliding direction of the connecting plate 43, the compression spring 44 is disposed in the accommodating groove 3111, one end of the compression spring 44 abuts against the bottom wall of the accommodating groove 3111, and the other end of the compression spring 44 abuts against the connecting plate 43; the connecting plate 43 slides in a direction away from the fixed block 311 by the elastic force of the compression spring 44, and the first guard arm 312 and the second guard arm 313 are respectively pushed by the first link 41 and the second link 42 to deflect in a direction away from each other.

Referring to fig. 3, the pushing assembly 33 includes a driving cylinder 331 and a pushing plate 332, the driving cylinder 331 is fixedly disposed on the top wall of the loading plate 31, an output shaft of the driving cylinder 331 simultaneously penetrates through the fixing block 311 and the connecting plate 43 and is slidably connected with the fixing block 311 and the connecting plate 43, respectively, and the compression spring 44 is sleeved on a piston rod of the driving cylinder 331; the material pushing plate 332 is slidably arranged in the placing section 314 and is positioned on one side of the connecting plate 43 away from the fixed block 311, and the material pushing plate 332 is fixedly connected with the output shaft of the driving cylinder 331; the material pushing plate 332 is driven by the driving cylinder 331 to slide towards the direction approaching the fixing block 311, and the connecting plate 43 is driven to approach the fixing block 311, and at the same time, the connecting plate 43 drives the first connecting rod 41 and the second connecting rod 42 to rotate, and drives the first guard arm 312 and the second guard arm 313 to deflect along the approaching direction, so that the explosive is placed in the placing section 314 between the first guard arm 312 and the second guard arm 313.

The implementation principle of the safe and efficient composite blasting auxiliary device for the tunnel in the embodiment of the application is as follows: when blasting the tunnel, place the explosive and place the interval 314 of placing on the year flitch 31 in, remove automobile body 1 and make automobile body 1 get into the tunnel in, after automobile body 1 removed the assigned position, order about drill bit 21 through driving motor 23 and rotate to drilling the tunnel inner wall, after the drilling was accomplished, make drill bit 21 from the downthehole withdrawal from that has bored.

The first cylinder 12 drives the mounting block 2 to slide downwards for a certain distance, so that the material carrying plate 31 is opposite to the drilled hole, the third cylinder 32 drives the material carrying plate 31 to slide, explosive is conveyed into the drilled hole through the material carrying plate 31, the driving cylinder 331 drives the material pushing plate 332 to be far away from the fixed block 311, the connecting plate 43 slides towards the direction far away from the fixed block 311 under the action of the elastic force of the pressure spring 44, the first connecting rod 41 and the second connecting rod 42 respectively drive the first guard arm 312 and the second guard arm 313 to deflect towards the directions far away from each other, the chute of the material pushing plate 332 is continuously driven, the explosive is pushed out of the placing section 314 and placed in the drilled hole, and then the vehicle body 1 exits from the tunnel, so that the blasting construction operation of the tunnel can be realized; in the process of tunnel construction, the life safety of workers can be ensured, so that the safety of tunnel construction is greatly improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-efficient compound blasting auxiliary device of tunnel safety, includes automobile body (1), its characterized in that: the explosive-free drilling tool is characterized in that an installation block (2) is arranged on the vehicle body (1) in a sliding mode, a first driving piece used for driving the installation block (2) to slide is arranged on the vehicle body (1), a drill bit (21) is arranged on the installation block (2) in a rotating mode, a driving source used for driving the drill bit (21) to rotate is arranged on the installation block (2), and a discharging mechanism (3) used for filling explosive into a hole is further arranged on the installation block (2).

2. The tunnel safety efficient composite blasting auxiliary device according to claim 1, characterized in that: rotate on installation piece (2) and be provided with ratch (22), the driving source is used for driving about ratch (22) and rotates, coaxial fixed transfer line (211) that is provided with on drill bit (21), tooth's socket (2111) have been seted up along the length direction of transfer line (211) to the one end of keeping away from drill bit (21) on transfer line (211), tooth's socket (2111) is worn to locate in tooth's socket (22), be provided with on installation piece (2) and be used for driving about the gliding first drive assembly (24) of transfer line (211).

3. The tunnel safety efficient composite blasting auxiliary device according to claim 2, characterized in that: first drive assembly (24) include bearing (241), connecting rod (242) and second driving piece, bearing (241) cover is established on transfer line (211), the inner circle and transfer line (211) fixed connection of bearing (241), the outer lane fixed connection of connecting rod (242) and bearing (241), the second driving piece is used for ordering about connecting rod (242) and slides.

4. The tunnel safety efficient composite blasting auxiliary device according to claim 2, characterized in that: drop feed mechanism (3) are including carrying flitch (31), third driving piece and pushing away material subassembly (33), carry flitch (31) and set up on installation piece (2) along the endwise slip of drill bit (21), just carry flitch (31) and be used for placing the explosive, the third driving piece is used for ordering about to carry flitch (31) to slide, it is used for pushing away from the explosive from carrying flitch (31) to push away material subassembly (33).

5. The tunnel safety efficient composite blasting auxiliary device according to claim 4, characterized in that: the explosive loading device is characterized in that a fixing block (311) is fixedly arranged on the material loading plate (31), a first protection arm (312) and a second protection arm (313) are arranged on the fixing block (311) in a rotating mode, the first protection arm (312) and the second protection arm (313) deflect in the directions close to or far away from each other, a placing area (314) for placing explosives is formed between the first protection arm (312) and the second protection arm (313), a second driving assembly (4) for driving the first protection arm (312) and the second protection arm (313) to rotate is arranged on the fixing block (311), and the material pushing assembly (33) is used for pushing the explosives out from the placing area (314).

6. The tunnel safety efficient composite blasting auxiliary device according to claim 5, characterized in that: the pushing assembly (33) comprises a driving cylinder (331) and a pushing plate (332), the driving cylinder (331) is fixedly arranged on the material carrying plate (31), an output shaft of the driving cylinder (331) penetrates through the fixing block (311) and is in sliding connection with the fixing block (311), the pushing plate (332) is arranged in the placing area (314) in a sliding mode, and the pushing plate (332) is fixedly connected with the output shaft of the driving cylinder (331).

7. The safe and efficient composite blasting auxiliary device for the tunnel according to claim 6, wherein: the second driving assembly (4) comprises a first connecting rod (41), a second connecting rod (42), a connecting plate (43) and an elastic piece, the first connecting rod (41) is hinged to the first guard arm (312), the second connecting rod (42) is hinged to the second guard arm (313), the connecting plate (43) is hinged to the first connecting rod (41) and the second connecting rod (42) respectively, an output shaft of the driving cylinder (331) penetrates through the connecting plate (43) and is in sliding connection with the connecting plate (43), the connecting plate (43) is located between the material pushing plate (332) and the fixing block (311), and the elastic piece is used for driving the connecting plate (43) to slide towards the direction far away from the fixing block (311).

8. The safe and efficient composite blasting auxiliary device for the tunnel according to claim 7, wherein: the elastic component comprises a pressure spring (44), an accommodating groove (3111) is formed in one end, close to the connecting plate (43), of the fixing block (311) along the sliding direction of the connecting plate (43), the pressure spring (44) is arranged in the accommodating groove (3111), one end of the pressure spring (44) is abutted to the bottom wall of the accommodating groove (3111), and the other end of the pressure spring (44) is abutted to the connecting plate (43).