CN212458153U - Blasting damping device for tunnel construction - Google Patents
Blasting damping device for tunnel construction Download PDFInfo
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- CN212458153U CN212458153U CN202021221047.8U CN202021221047U CN212458153U CN 212458153 U CN212458153 U CN 212458153U CN 202021221047 U CN202021221047 U CN 202021221047U CN 212458153 U CN212458153 U CN 212458153U
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- pmkd
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Abstract
The utility model discloses a tunnel construction is with blasting damping device, including first PMKD and second PMKD, the one end on first PMKD top is provided with supports the fixed block, and supports fixed block bottom intermediate position department and set up and run through to the inside first through-hole of supporting the fixed block, the second through-hole has all been seted up to the inside that the fixed block was supported at first through-hole both ends, first recess has been seted up on the top of second PMKD, and the one end of the inside bottom of first recess articulates there is the third PMKD. This tunnel construction is with blasting damping device drives the second ejector pin through the shock attenuation board and extrudees the third spring when receiving vibrations, extrudees articulated ejector pin through the shock attenuation board simultaneously, drives the slider and extrudees the second spring in the guide arm outside after articulated ejector pin receives the extrusion for produced vibrations when the device can be better will explode when using are eliminated.
Description
Technical Field
The utility model relates to a tunnel blasting construction technical field specifically is a tunnel construction is with blasting damping device.
Background
With the development of the society, korea and the continuous progress of science and technology, China develops the infrastructure vigorously, and for the mountain excavation of tunnels, the methods which can be frequently used in the tunnel excavation include a drilling and blasting method, a shield method and a tunneling machine method, wherein the drilling and blasting method has strong adaptability to geological conditions and low excavation cost, and is particularly suitable for the construction of hard rock tunnels, broken rock tunnels and a large number of short tunnels, and the traditional blasting damping device for tunnel construction can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:
1. when most of blasting damping devices for tunnel construction in the current market are used, as the damping effect is not ideal in the tunnel construction process, the wall surface of the tunnel is damaged due to the large vibration generated by blasting, so that the excavation and construction of the tunnel are influenced, and inconvenience is brought to workers for excavating the tunnel;
2. most tunnel construction is with blasting damping device when using in the existing market because the device of not uniform size in tunnel can not get to the device according to the size in excavation tunnel and adjust for the device limitation is great when using, unable fine use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel construction is with blasting damping device to solve the unsatisfactory and unable problem of removing adjusting device's size and position according to the demand of shock attenuation effect that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a blasting damping device for tunnel construction comprises a first fixing bottom plate and a second fixing bottom plate, wherein a supporting fixing block is arranged at one end of the top end of the first fixing bottom plate, a first through hole penetrating into the supporting fixing block is formed in the middle position of the bottom end of the supporting fixing block, second through holes are formed in the supporting fixing blocks at two ends of the first through hole, a first groove is formed in the top end of the second fixing bottom plate, a third fixing bottom plate is hinged to one end of the bottom end in the first groove, a second cavity is uniformly formed in one end of the third fixing bottom plate, a first cavity is uniformly formed in the third fixing bottom plate at one end of the second cavity, a gear rod penetrating into the top end of the second cavity is mounted at one end of the top end of the third fixing bottom plate through a bearing, and a third conical gear is hinged to one end of the gear rod close to the first cavity, the inside baffle that is connected with third PMKD top of running through the support fixed block that all is provided with of second through-hole, support the fixed block and keep away from one of first PMKD and evenly seted up the second recess, and the inside top and the bottom that is close to first PMKD one end of second recess evenly install the third device shell, the both sides that support the fixed block and be close to first PMKD one end top all are provided with the second device shell, and the inside bottom of second device shell all is provided with first spring, first spring top all installs and runs through the second device shell and support fixed block articulated first ejector pin mutually.
Preferably, the bottom of the second device shell is provided with a first device shell, the bottom of the first device shell is hinged to a second fixing bottom plate, the bottom inside the first device shell is provided with a supporting bolt penetrating through the first device shell and connected with the second device shell, the outer side of the supporting bolt is provided with a nut sleeve connected with the top end of the first device shell in a sliding mode, and the outer side of the nut sleeve is hinged to a handle.
Preferably, the top end in the first cavity is hinged with a first bevel gear meshed with a second bevel gear, and the top end of the first bevel gear is provided with a screw rod penetrating into the first through hole through a bearing.
Preferably, the third spring is all installed to the inside one end that is close to first PMKD of third device shell, and the third spring is kept away from first PMKD one end and is all installed the second ejector pin that runs through the third device shell, the damping plate is all installed to the one end that first PMKD was kept away from to the second ejector pin.
Preferably, one end of the third device shell is connected with guide rods, the top end and the bottom end of the outer side of each guide rod are provided with second springs, the outer side, away from the guide rod at one end of the third device shell, of each second spring is provided with a sliding block, and one end, away from the first fixing bottom plate, of each sliding block is hinged to a hinged ejector rod hinged to the damping plate.
Preferably, one end, close to the first cavity, of the third bevel gear is provided with a transmission rod penetrating into the first cavity through a bearing, and one end, far away from the third bevel gear, of the transmission rod is provided with a second bevel gear.
Compared with the prior art, the beneficial effects of the utility model are that: the blasting damping device for tunnel construction;
1. the damping plate, the second ejector rod and the hinged ejector rod are mounted, the second ejector rod is driven to extrude the third spring when the damping plate is vibrated, the hinged ejector rod is extruded through the damping plate, and the sliding block is driven to extrude the second spring outside the guide rod after the hinged ejector rod is extruded, so that the vibration generated during blasting can be better eliminated when the device is used;
2. meanwhile, the device is provided with a supporting fixing block, a second bevel gear and a screw rod, a gear rod drives a third bevel gear to rotate, when the third bevel gear rotates, the second bevel gear drives the second bevel gear to rotate, and when the second bevel gear rotates, the screw rod is driven to lift the supporting fixing block, tunnels with different sizes are matched for use, so that the device is small in limitation when in use;
3. meanwhile, the device is provided with the supporting bolt, the handle and the nut sleeve, the nut sleeve is driven by the handle to rotate, the supporting bolt is driven to jack the second device shell when the nut sleeve rotates, the first spring inside the second device shell is extruded by the supporting fixing block, and the device is supported by the first device shell, so that the device can be fixed more stably when in use.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
fig. 5 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.
In the figure: 1. a first fixed base plate; 2. a second stationary base plate; 3. a first device housing; 4. a support bolt; 5. a handle; 6. a nut sleeve; 7. a second device housing; 8. a first spring; 9. a first ejector rod; 10. supporting a fixed block; 11. a damper plate; 12. a second ejector rod; 13. a mandril is hinged; 14. a guide bar; 15. a second spring; 16. a first through hole; 17. a guide plate; 18. a second through hole; 19. a first bevel gear; 20. a first cavity; 21. a second bevel gear; 22. a screw rod; 23. a third device housing; 24. a transmission rod; 25. a third bevel gear; 26. a gear lever; 27. a second cavity; 28. a third fixed base plate; 29. a first groove; 30. a slider; 31. a second groove; 32. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a blasting damping device for tunnel construction comprises a first fixing bottom plate 1 and a second fixing bottom plate 2, wherein a supporting fixing block 10 is arranged at one end of the top end of the first fixing bottom plate 1, a first through hole 16 penetrating into the supporting fixing block 10 is formed in the middle position of the bottom end of the supporting fixing block 10, second through holes 18 are formed in the supporting fixing blocks 10 at two ends of the first through hole 16, a first groove 29 is formed in the top end of the second fixing bottom plate 2, a third fixing bottom plate 28 is hinged to one end of the bottom end in the first groove 29, a second cavity 27 is uniformly formed in one end in the third fixing bottom plate 28, and a first cavity 20 is uniformly formed in one end of the second cavity 27 and the third fixing bottom plate 28;
the top ends of the inner parts of the first cavities 20 are hinged with first bevel gears 19 meshed with the second bevel gears 21, the top ends of the first bevel gears 19 are provided with screw rods 22 penetrating into the first through holes 16 through bearings, the first bevel gears 19 are driven to rotate through the second bevel gears 21 when the device is used, and the screw rods 22 are driven to move when the first bevel gears 19 rotate, so that the height of the device can be adjusted when the device is used;
a gear rod 26 penetrating through the top end inside the second cavity 27 is mounted at one end of the top end of the third fixing bottom plate 28 through a bearing, a third bevel gear 25 is hinged at one end of the gear rod 26 close to the first cavity 20, a transmission rod 24 penetrating through the first cavity 20 is mounted at one end of the third bevel gear 25 close to the first cavity 20 through a bearing, a second bevel gear 21 is mounted at one end of the transmission rod 24 far away from the third bevel gear 25, the third bevel gear 25 is driven to rotate through the gear rod 26 when the device is used, the transmission rod 24 is driven to rotate when the third bevel gear 25 rotates, the transmission rod 24 drives the second bevel gear 21 to rotate when the transmission rod 24 rotates, and better power transmission can be achieved when the device is used;
the guide plates 17 penetrating through the supporting fixed block 10 and connected with the top end of the third fixed bottom plate 28 are arranged in the second through holes 18, second grooves 31 are uniformly formed in one of the supporting fixed block 10 far away from the first fixed bottom plate 1, and third device shells 23 are uniformly arranged at the top end and the bottom end of one end, close to the first fixed bottom plate 1, in the second groove 31;
a third spring 32 is mounted at one end, close to the first fixing bottom plate 1, inside the third device shell 23, a second ejector rod 12 penetrating through the third device shell 23 is mounted at one end, far away from the first fixing bottom plate 1, of the third spring 32, a damping plate 11 is mounted at one end, far away from the first fixing bottom plate 1, of the second ejector rod 12, a second device shell 7 is arranged at two sides, close to the top end of the first fixing bottom plate 1, of the supporting fixing block 10, and the second ejector rod 12 is driven to extrude the third spring 32 inside the third device shell 23 when the damping plate 11 vibrates in use, so that the device can better reduce the vibration on the device in use and protect a tunnel;
one end of the third device shell 23 is mutually connected with a guide rod 14, the top end and the bottom end of the outer side of the guide rod 14 are both provided with a second spring 15, the outer side of the guide rod 14, far away from one end of the third device shell 23, of the second spring 15 is provided with a sliding block 30, one end of the sliding block 30, far away from the first fixed bottom plate 1, is hinged with a hinged ejector rod 13 hinged with the damping plate 11, the hinged ejector rod 13 is extruded through the damping plate 11 when in use, and the sliding block 30 is driven to extrude the second spring 15 outside the guide rod 14 when the hinged ejector rod 13 is extruded, so that the device can perform double shock absorption on a tunnel when in use, and the practicability of the device is improved;
the bottom of the second device shell 7 is provided with the first device shell 3, the bottom of the first device shell 3 is hinged with the second fixing bottom plate 2, the bottom inside the first device shell 3 is provided with the supporting bolt 4 which penetrates through the first device shell 3 and is connected with the second device shell 7, the outer side of the supporting bolt 4 is provided with the nut sleeve 6 which is connected with the top end of the first device shell 3 in a sliding mode, the outer side of the nut sleeve 6 is hinged with the handle 5, the bottom inside the second device shell 7 is provided with the first spring 8, the top end of the first spring 8 is provided with the first ejector rod 9 which penetrates through the second device shell 7 and is hinged with the supporting fixing block 10, the nut sleeve 6 is driven to rotate through the handle 5 when in use, the nut sleeve 6 drives the supporting bolt 4 to move out of the first device shell 3 when in rotation, the second device shell 7 is extruded through the first device shell 3, and the first ejector rod 9 is extruded through the first spring 8 simultaneously And the device can be better supported and fixed after being used.
The working principle is as follows: when the blasting damping device for tunnel construction is used, after the first fixing bottom plate 1 is fixed at a predetermined position, the driving gear rod 26 drives the transmission rod 24 to rotate when the gear rod 26 drives the third bevel gear 25 in the second cavity 27 to rotate, when the transmission rod 24 rotates, the second bevel gear 21 in the first cavity 20 is driven to rotate, the first bevel gear 19 engaged with the second bevel gear 21 is driven to rotate, simultaneously the screw rod 22 is driven to rotate, the screw rod 22 drives the supporting fixing block 10 to ascend when the screw rod rotates, when the supporting fixing block 10 ascends, the supporting fixing block 10 is guided in the ascending process through the guide plate 17 in the second through hole 18, after the second fixing bottom plate 2 is fixed at a predetermined position after the ascending, the nut sleeve 6 is driven to rotate through the handle 5, after the nut sleeve 6 pushes the supporting bolt 4 out of the first device shell 3 in the rotating process, when the supporting bolt 4 pushes the second device shell 7 upwards through the supporting bolt 4 and pushes the first ejector rod 9 through the first spring 8 in the second device shell 7 simultaneously, the device can be better supported when in use, the stability of the device is improved, after the device is installed, the vibration generated by explosion extrudes the second ejector rod 12 through the damping plate 11, when the second ejector rod 12 is extruded, the third spring 32 in the third device shell 23 is extruded, and simultaneously the hinged ejector rod 13 is extruded through the damping plate 11, when the hinged ejector rod 13 is extruded, the sliding block 30 is driven to extrude the second spring 15 outside the guide rod 14, so that the device can better protect the vibration generated during explosion, the above is the whole working principle of the utility model.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a tunnel construction is with blasting damping device, includes first PMKD (1) and second PMKD (2), its characterized in that: a supporting fixed block (10) is arranged at one end of the top end of the first fixed bottom plate (1), a first through hole (16) penetrating into the supporting fixed block (10) is formed in the middle position of the bottom end of the supporting fixed block (10), second through holes (18) are formed in the supporting fixed blocks (10) at two ends of the first through hole (16), a first groove (29) is formed in the top end of the second fixed bottom plate (2), a third fixed bottom plate (28) is hinged to one end of the bottom end in the first groove (29), second cavities (27) are uniformly formed in one end in the third fixed bottom plate (28), a first cavity (20) is uniformly formed in the third fixed bottom plate (28) at one end of the second cavity (27), a gear rod (26) penetrating into the top end in the second cavity (27) is mounted at one end of the top end of the third fixed bottom plate (28) through a bearing, and one end of the gear rod (26) close to the first cavity (20) is hinged with a third bevel gear (25), a guide plate (17) which penetrates through the supporting fixed block (10) and is connected with the top end of the third fixed bottom plate (28) is arranged in each second through hole (18), a second groove (31) is uniformly arranged on one of the supporting and fixing blocks (10) far away from the first fixing bottom plate (1), and the top end and the bottom end of one end of the second groove (31) close to the first fixed bottom plate (1) are uniformly provided with a third device shell (23), the two sides of the supporting and fixing block (10) close to the top end of one end of the first fixing bottom plate (1) are both provided with a second device shell (7), and the bottom end inside the second device shell (7) is provided with a first spring (8), and a first ejector rod (9) which penetrates through the second device shell (7) and is hinged with the supporting fixed block (10) is arranged at the top end of the first spring (8).
2. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the bottom of second device shell (7) all is provided with first device shell (3), and the bottom of first device shell (3) all articulates there is second PMKD (2), the inside bottom of first device shell (3) all is provided with and runs through supporting bolt (4) that first device shell (3) and second device shell (7) are connected, and the supporting bolt (4) outside all is provided with nut cover (6) with first device shell (3) top sliding connection, the outside of nut cover (6) all articulates there is handle (5).
3. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the top end in the first cavity (20) is hinged with a first bevel gear (19) meshed with a second bevel gear (21), and the top end of the first bevel gear (19) is provided with a screw rod (22) penetrating into the first through hole (16) through a bearing.
4. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: third spring (32) are all installed to the inside one end that is close to first PMKD (1) of third device shell (23), and third spring (32) keep away from first PMKD (1) one end and all install second ejector pin (12) that run through third device shell (23), damping plate (11) are all installed to the one end that first PMKD (1) was kept away from in second ejector pin (12).
5. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: one end of the third device shell (23) is connected with the guide rod (14), the top end and the bottom end of the outer side of the guide rod (14) are provided with the second spring (15), the outer side, away from the guide rod (14) at one end of the third device shell (23), of the second spring (15) is provided with the sliding block (30), and one end, away from the first fixing bottom plate (1), of the sliding block (30) is hinged to the hinged ejector rod (13) hinged to the damping plate (11).
6. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: one end, close to the first cavity (20), of the third bevel gear (25) is provided with a transmission rod (24) penetrating into the first cavity (20) through a bearing, and one end, far away from the third bevel gear (25), of the transmission rod (24) is provided with a second bevel gear (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221047.8U CN212458153U (en) | 2020-06-28 | 2020-06-28 | Blasting damping device for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221047.8U CN212458153U (en) | 2020-06-28 | 2020-06-28 | Blasting damping device for tunnel construction |
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| Publication Number | Publication Date |
|---|---|
| CN212458153U true CN212458153U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021221047.8U Active CN212458153U (en) | 2020-06-28 | 2020-06-28 | Blasting damping device for tunnel construction |
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| CN (1) | CN212458153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858018A (en) * | 2022-05-27 | 2022-08-05 | 侨智建设有限公司 | A damping device that is used for tunnel blasting of complicated high stress country rock area |
-
2020
- 2020-06-28 CN CN202021221047.8U patent/CN212458153U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858018A (en) * | 2022-05-27 | 2022-08-05 | 侨智建设有限公司 | A damping device that is used for tunnel blasting of complicated high stress country rock area |
| CN114858018B (en) * | 2022-05-27 | 2024-01-12 | 侨智建设有限公司 | Damping device for tunnel blasting of complex high-stress surrounding rock zone |
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