CN217560492U - Tunnel face blasting safety device - Google Patents
Tunnel face blasting safety device Download PDFInfo
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- CN217560492U CN217560492U CN202221905035.6U CN202221905035U CN217560492U CN 217560492 U CN217560492 U CN 217560492U CN 202221905035 U CN202221905035 U CN 202221905035U CN 217560492 U CN217560492 U CN 217560492U
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Abstract
The utility model relates to a blasting protection technical field especially relates to a tunnel portal blasting safety device. The tunnel portal blasting safety protection device comprises a shell, a movable supporting device and a protection adjusting device; the movable supporting device comprises a support, a travelling wheel, a placing groove, an adjusting block, an adjusting bolt, an adjusting hole and a supporting plate, wherein the placing groove is formed in the side wall of one end of the shell, and the adjusting block is slidably connected inside the placing groove; the protection adjusting device comprises a mounting groove, a motor, a groove, a screw rod, a pinion, a gear wheel, a communicating groove, a supporting block, a lower protection plate, an upper protection plate, a connecting groove, a connecting plate and a movable nut, the mounting groove is formed in the shell, the motor is mounted in the mounting groove, and the groove is formed in the side wall of one end of the shell. The utility model provides a tunnel portal blasting safety device has the advantage that can adjust the protective scope and be convenient for remove the support.
Description
Technical Field
The utility model relates to a blasting protection technical field especially relates to a tunnel portal blasting safety device.
Background
Due to the limitation of geographical positions and terrain conditions, tunnel engineering is commonly involved in projects such as a plurality of tunnels, underground excavations and the like. With the development of society and the improvement of technology, the safety is no longer said to hang on the mouth, but is really put into every detail in the work. In the initial stage of tunnel excavation, blasting protection work for various buildings, equipment and the like around the tunnel opening is very important, and the safety of facilities near the tunnel opening is directly determined.
During tunnel portal blasting construction, protection is mostly achieved by adopting wood boards, sand bags or other temporary turnover materials, operation is complicated, labor is wasted, and the protection effect is not ideal. Therefore, there is a need to provide a new safety device for tunnel portal blasting to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a tunnel portal blasting safety device with can adjust the protection scope and be convenient for remove the support.
The utility model provides a tunnel portal blasting safety protection device, which comprises a shell, a movable support device and a protection adjusting device;
the movable supporting device comprises a support, a travelling wheel, a placing groove, an adjusting block, an adjusting bolt, an adjusting hole and a supporting plate, wherein the placing groove is formed in the side wall of one end of the shell, and the adjusting block is connected with the inside of the placing groove in a sliding mode;
the protection adjusting device comprises a mounting groove, a motor, a groove, a screw rod, a pinion, a gear wheel, a communicating groove, a supporting block, a lower protection plate, an upper protection plate, a connecting groove, a connecting plate and a movable nut, wherein the mounting groove is formed in the shell, the motor is mounted in the mounting groove, and a groove is formed in the side wall of one end of the shell.
Preferably, the bottom end of the shell is fixedly connected with the support, and four traveling wheels are installed at the bottom end of the support.
Preferably, the one end lateral wall of casing has seted up the regulation hole, the inside threaded connection adjusting bolt in regulation hole, adjusting bolt threaded connection regulating block, the inside rotation of regulating block connects the one end of backup pad.
Preferably, the inside of recess rotates connects two lead screws, two the equal fixed connection gear wheel of one end of lead screw, the gear wheel meshing connects the pinion, the output at the motor is installed to the pinion.
Preferably, the screw rod is in threaded connection with a movable nut, the movable nut is in sliding connection with the groove, and one end of the movable nut is fixedly connected with the supporting block.
Preferably, a communicating groove is formed in the side wall of one end of the shell, the communicating groove is connected with the two supporting blocks in a sliding mode, and the two supporting blocks are fixedly connected with the lower protection plate and the upper protection plate respectively.
Preferably, the inside of going up the guard plate has seted up the spread groove, the inside sliding connection connecting plate of spread groove, connecting plate fixed connection is on the top of guard plate down.
Compared with the prior art, the utility model provides a tunnel face blasting safety device has following beneficial effect:
the utility model provides a tunnel portal blasting safety device, it removes to the tunnel portal to pass through support and walking wheel with the casing, rotate backup pad and regulating block, then the pulling backup pad, the backup pad drives the regulating block and slides along the standing groove, through adjusting bolt threaded connection regulation hole and regulating block, thereby the one end position of adjustment backup pad, contact the other end and the ground of backup pad and support tightly, provide the support for the casing through the backup pad, through starter motor, the motor drives pinion rotation, pinion drives the gear wheel rotation that the meshing is connected, the gear wheel drives the lead screw and rotates, lead screw and movable nut screw thread rotate, movable nut drives the supporting shoe under the lead screw effect and removes, two supporting shoes drive the guard plate respectively and remove with lower guard plate, go up the guard plate and keep away from each other with lower guard plate, the connecting plate slides along the spread groove, through last guard plate, the convenient flyrock that produces the blasting of connecting plate and lower guard plate intercepts, thereby protection function is provided.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of a tunnel portal blasting safety device according to the present invention;
FIG. 2 is a schematic structural view of the whole shown in FIG. 1;
fig. 3 is a structural view illustrating the upper and lower shielding plates and the connection plate shown in fig. 2.
Reference numbers in the figures: 1. a housing; 2. a support; 3. a traveling wheel; 4. a placement groove; 5. a regulating block; 6. adjusting the bolt; 7. an adjustment hole; 8. a support plate; 9. mounting grooves; 10. a motor; 11. a groove; 12. a screw rod; 13. a pinion gear; 14. a bull gear; 15. a communicating groove; 16. a support block; 17. a lower guard plate; 18. An upper protection plate; 19. connecting grooves; 20. a connecting plate; 21. a movable nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
Referring to fig. 1 to 3, a safety device for tunnel portal blasting according to an embodiment of the present invention includes a casing 1, a movable supporting device and a protection adjusting device;
the movable supporting device comprises a support 2, a travelling wheel 3, a placing groove 4, an adjusting block 5, an adjusting bolt 6, an adjusting hole 7 and a supporting plate 8, wherein the placing groove 4 is formed in the side wall of one end of the shell 1, and the adjusting block 5 is connected with the inside of the placing groove 4 in a sliding mode;
the protection adjusting device comprises a mounting groove 9, a motor 10, a groove 11, a screw rod 12, a pinion 13, a gearwheel 14, a communicating groove 15, a supporting block 16, a lower protecting plate 17, an upper protecting plate 18, a connecting groove 19, a connecting plate 20 and a movable nut 21, the mounting groove 9 is formed in the shell 1, the motor 10 is mounted in the mounting groove 9, and the groove 11 is formed in the side wall of one end of the shell 1.
It should be noted that: through starter motor 10, motor 10 drives pinion 13 and rotates, pinion 13 drives the bull gear 14 that the meshing is connected and rotates, bull gear 14 drives lead screw 12 and rotates, lead screw 12 and movable nut 21 screw thread rotate, movable nut 21 drives supporting shoe 16 and removes under the lead screw 12 effect, two supporting shoes 16 drive respectively and go up guard plate 18 and lower guard plate 17 and remove, go up guard plate 18 and keep away from each other with lower guard plate 17, connecting plate 20 slides along spread groove 19, through last guard plate 18, connecting plate 20 conveniently intercepts the flying stone that the blasting produced with lower guard plate 17, thereby provide safeguard function.
In the embodiment of the present invention, please refer to fig. 1 and 3, a bottom end of the housing 1 is fixedly connected to a support 2, and four traveling wheels 3 are mounted at a bottom end of the support 2;
it should be noted that: the bracket 2 and the walking wheels 3 are convenient to move;
in the present embodiment: adjusting hole 7 has been seted up to the one end lateral wall of casing 1, adjusting hole 7's inside threaded connection adjusting bolt 6, adjusting bolt 6 threaded connection regulating block 5, the inside rotation one end of connecting support plate 8 of regulating block 5.
In the embodiment of the present invention, please refer to fig. 1 and fig. 3, the inside of the groove 11 is rotatably connected to two lead screws 12, one end of each of the two lead screws 12 is fixedly connected to a large gear 14, the large gear 14 is engaged with a small gear 13, and the small gear 13 is installed at the output end of the motor 10;
it should be noted that: the motor 10 drives the pinion 13 to rotate, the pinion 13 drives the large gear 14 in meshed connection to rotate, the large gear 14 drives the screw rod 12 to rotate, the screw rod 12 and the movable nut 21 are in threaded rotation, the movable nut 21 drives the supporting block 16 to move under the action of the screw rod 12, and the two supporting blocks 16 respectively drive the upper protection plate 18 and the lower protection plate 17 to move;
in the present embodiment: the screw rod 12 is in threaded connection with a movable nut 21, the movable nut 21 is in sliding connection with the groove 11, and one end of the movable nut 21 is fixedly connected with the supporting block 16.
In an embodiment of the present invention, referring to fig. 1 and fig. 3, a communicating groove 15 is formed in a side wall of one end of the housing 1, the communicating groove 15 is slidably connected to two supporting blocks 16, and the two supporting blocks 16 are respectively and fixedly connected to a lower protection plate 17 and an upper protection plate 18;
it should be noted that: the upper protection plate 18 and the lower protection plate 17 are far away from each other, the connecting plate 20 slides along the connecting groove 19, and flying stones generated by blasting are conveniently intercepted through the upper protection plate 18, the connecting plate 20 and the lower protection plate 17, so that a protection function is provided;
in the present embodiment: the inside of going up protection plate 18 has seted up connecting groove 19, the inside sliding connection connecting plate 20 of connecting groove 19, connecting plate 20 fixed connection is at the top of lower protection plate 17.
It should be noted that:
the utility model provides a tunnel face blasting safety device's theory of operation as follows: firstly, all external control switches and power of electrical components in the device are connected with a control switch and a power supply, then a shell 1 is moved to a tunnel portal through a support 2 and a walking wheel 3, a support plate 8 and an adjusting block 5 are rotated, then the support plate 8 is pulled, the support plate 8 drives the adjusting block 5 to slide along a placing groove 4, an adjusting hole 7 and the adjusting block 5 are connected through an adjusting bolt 6 and threads, so that one end position of the support plate 8 is adjusted, the other end of the support plate 8 is contacted with the ground and is abutted tightly, the shell 1 is supported through the support plate 8, a motor 10 drives a pinion 13 to rotate, the motor 10 drives the pinion 13 to drive a large gear 14 connected in a meshed mode to rotate, the large gear 14 drives a lead screw 12 to rotate, the lead screw 12 and a movable nut 21 are in threaded rotation, the movable nut 21 drives a support block 16 to move under the action of the lead screw 12, the two support blocks 16 respectively drive an upper protection plate 18 and a lower protection plate 17 to move, the upper protection plate 18 and the lower protection plate 17 are far away from each other, a connecting plate 20 slides along a connecting groove 19, and the flying stones generated by the upper protection plate 18, the connecting plate 20 and the lower protection plate 17 are conveniently blasted, so that a protection function is provided.
The utility model discloses circuit and control that relate to are prior art, do not carry out too much repetition here.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. A tunnel portal blasting safety protection device is characterized by comprising a shell (1), a movable supporting device and a protection adjusting device;
the movable supporting device comprises a support (2), a walking wheel (3), a placing groove (4), an adjusting block (5), an adjusting bolt (6), an adjusting hole (7) and a supporting plate (8), wherein the placing groove (4) is formed in the side wall of one end of the shell (1), and the adjusting block (5) is connected to the inside of the placing groove (4) in a sliding mode;
protection adjusting device includes mounting groove (9), motor (10), recess (11), lead screw (12), pinion (13), gear wheel (14), intercommunication groove (15), supporting shoe (16), lower guard plate (17), goes up guard plate (18), spread groove (19) and connecting plate (20), mounting groove (9) have been seted up to the inside of casing (1), the internally mounted of mounting groove (9) has motor (10), recess (11) have been seted up to the one end lateral wall of casing (1).
2. The safety device for tunnel portal blasting according to claim 1, wherein the bottom end of the shell (1) is fixedly connected with a bracket (2), and four travelling wheels (3) are mounted at the bottom end of the bracket (2).
3. The tunnel portal blasting safety protection device according to claim 1, wherein an adjusting hole (7) is formed in a side wall of one end of the casing (1), an adjusting bolt (6) is in threaded connection with the inside of the adjusting hole (7), the adjusting bolt (6) is in threaded connection with an adjusting block (5), and the inside of the adjusting block (5) is rotatably connected with one end of a support plate (8).
4. The tunnel portal blasting safety device according to claim 1, wherein the groove (11) is rotatably connected with two screw rods (12), one end of each of the two screw rods (12) is fixedly connected with a gearwheel (14), the gearwheel (14) is engaged with a pinion (13), and the pinion (13) is mounted at the output end of the motor (10).
5. The safety device for tunnel portal blasting according to claim 1, wherein the screw rod (12) is in threaded connection with a movable nut (21), the movable nut (21) is slidably connected with the groove (11), and one end of the movable nut (21) is fixedly connected with the supporting block (16).
6. The safety device for tunnel portal blasting according to claim 1, wherein a communication groove (15) is formed in one side wall of the shell (1), the communication groove (15) is connected with two support blocks (16) in a sliding manner, and the two support blocks (16) are respectively and fixedly connected with a lower protection plate (17) and an upper protection plate (18).
7. The safety device for tunnel portal blasting according to claim 1, wherein the upper protection plate (18) is internally provided with a connecting groove (19), the connecting groove (19) is slidably connected with a connecting plate (20), and the connecting plate (20) is fixedly connected with the top end of the lower protection plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905035.6U CN217560492U (en) | 2022-07-22 | 2022-07-22 | Tunnel face blasting safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905035.6U CN217560492U (en) | 2022-07-22 | 2022-07-22 | Tunnel face blasting safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217560492U true CN217560492U (en) | 2022-10-11 |
Family
ID=83504648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221905035.6U Active CN217560492U (en) | 2022-07-22 | 2022-07-22 | Tunnel face blasting safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217560492U (en) |
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2022
- 2022-07-22 CN CN202221905035.6U patent/CN217560492U/en active Active
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