CN213330946U - A down-the-hole hammer pore-forming device for cobble riverbed ground - Google Patents
A down-the-hole hammer pore-forming device for cobble riverbed ground Download PDFInfo
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- CN213330946U CN213330946U CN202021477909.3U CN202021477909U CN213330946U CN 213330946 U CN213330946 U CN 213330946U CN 202021477909 U CN202021477909 U CN 202021477909U CN 213330946 U CN213330946 U CN 213330946U
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Abstract
The utility model relates to the technical field of engineering machinery, in particular to a down-the-hole hammer pore-forming device for a pebble river bed foundation, which comprises a drilling machine body, wherein the drilling machine body is connected with a drill rod driver, the drill rod driver is connected with a drill rod, the end of the drill rod is connected with a down-the-hole hammer, the outer wall of the drill rod is provided with a mounting groove, the mounting groove is connected with a supporting device, the supporting device comprises a supporting ring, the outer wall of the supporting ring is provided with a groove, the groove is provided with a mounting frame, one end of the mounting frame, which; the drill rod is supported by the plurality of supporting devices arranged on the outer wall of the drill rod, so that the problem that the down-the-hole hammer is easy to obliquely drill due to the fact that the drill rod is not enough in bending deformation when the down-the-hole hammer touches a floating stone or a boulder in the drilling process is solved. The mud pumping pipe is fixed on the support ring, so that the mud pumping pipe is prevented from being scraped with the outer wall of the casing protecting wall, and the problem of damage of the mud pumping pipe is further solved.
Description
Technical Field
The utility model relates to an engineering machine tool technical field specifically is a down-the-hole hammer pore-forming device for cobble riverbed ground.
Background
At present, in order to enhance the bearing capacity of a pile foundation, when a supporting layer at the bottom of the pile foundation is required to be deep below a weathered bedrock or a fresh rock surface in a bridge, a road, a railway, a high building and the like in a large engineering project, a down-the-hole hammer drilling tool is often adopted for drilling into the rock; the down-the-hole hammer utilizes an air compressor to convey compressed air to a down-the-hole hammer component through a gas conveying pipe, so that the down-the-hole hammer component continuously transmits impact energy and impact frequency to a hammer head, intermittently impacts a rock body, and breaks rock by pulse; meanwhile, the hammer head sinks by the self weight of the hammer head; the vibration caused by the down-the-hole hammer construction has great influence on the surrounding environment, a large amount of air disturbs the stratum underground, and casing protection wall follow-up protection is needed.
However, when the down-the-hole hammer drills down, a certain circumferential node may encounter a boulder or a boulder, or drill into an inclined interface between a soil layer and a rock layer or an inclined interface between a soft rock layer and a hard rock layer, the down-the-hole hammer is easy to drill obliquely, which affects the verticality of punched holes and reduces the quality of later-stage pile forming.
Based on this, the utility model designs a down-the-hole hammer pore-forming device for cobble riverbed ground to solve above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a down-the-hole hammer pore-forming device for cobble riverbed ground for in order to solve above-mentioned technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a down-the-hole hammer pore-forming device for cobble riverbed ground, including the rig body, the rig body is connected with the drilling rod driver, the drilling rod driver is connected with the drilling rod, the end-to-end connection of drilling rod has the down-the-hole hammer, the parallel interval of drilling rod outer wall is provided with a plurality of mounting grooves, each the mounting groove all is connected with strutting arrangement, strutting arrangement is including the support ring, a plurality of recesses have been seted up to the support ring outer wall, each the recess all is provided with the mounting bracket, the one end that the support ring was kept away from to the mounting bracket is rotated and is connected.
Preferably, the support ring passes through bolted connection by first support ring and second support ring and constitutes, first support ring and second support ring hole all are provided with rotates the cover, it butts with the mounting groove to rotate the cover.
Preferably, this body coupling of rig has the mud pumping device, the mud pumping device is including the capstan winch, take out the mud pipe, take out dredge pump and sedimentation tank, the capstan winch rotates with the rig body to be connected, take out the mud pipe around establishing at the capstan winch outer wall, the one end submergence that the mud pipe is close to the down-the-hole hammer is at sleeve pipe dado inner chamber, the mud pipe is kept away from down-the-hole hammer one end and is connected with the mud pump, take out dredge pump and sedimentation tank intercommunication, the sedimentation tank inner chamber is provided with the filter screen, the filter screen separates the sedimentation tank inner chamber for epicoele and cavity down, the epicoele is provided with scrapes mud device, the cavity down is connected with defeated mud pump, defeated mud pump is connected with defeated mud pipe, the one end that defeated mud pump was kept away from.
Preferably, first supporting ring is provided with the poling hole that is used for fixed mud pipe of taking out, first supporting ring outer wall articulates there is the anticreep board that matches with the poling hole, first supporting ring outer wall rotates and is connected with the fixed block that is used for fixed anticreep board.
Preferably, the mud scraping device is including lead screw, motor and nut, the lead screw rotates to be connected in the epicoele, the motor sets up at the sedimentation tank outer wall, the motor output runs through the sedimentation tank lateral wall and is connected with the lead screw, the nut sets up at the lead screw outer wall, the nut bottom is provided with the scraper blade, scraper blade and filter screen butt.
Compared with the prior art, the beneficial effects of the utility model are that: the drill rod is supported by the plurality of supporting devices arranged on the outer wall of the drill rod, so that the problem that the down-the-hole hammer is easy to obliquely drill due to the fact that the drill rod is not enough in bending deformation when the down-the-hole hammer touches a floating stone or a boulder in the drilling process is solved.
The mud pumping pipe is fixed on the support ring, so that the mud pumping pipe is prevented from being scraped with the outer wall of the casing protecting wall, and the problem of damage of the mud pumping pipe is further solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic structural view of the supporting device of the present invention;
fig. 4 is the schematic diagram of the sedimentation tank structure of the utility model.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a drill body; 2. a drill rod driver; 3. a drill stem; 4. a down-the-hole hammer; 5. mounting grooves; 6. a support device; 7. a support ring; 8. a groove; 9. a mounting frame; 10. a roller; 11. a first support ring; 12. a second support ring; 13. rotating the sleeve; 14. a mud pumping device; 15. a winch; 16. a mud pumping pipe; 17. a mud pump; 18. a sedimentation tank; 19. a filter screen; 20. an upper chamber; 21. a lower cavity; 22. a mud scraping device; 23. a mud pump; 24. a mud conveying pipe; 25. perforating the tube holes; 26. an anti-drop plate; 27. a fixed block; 28. a screw rod; 29. a motor; 30. a nut; 31. a squeegee; 32. the sleeve protects the wall.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a down-the-hole hammer pore-forming device for cobble riverbed ground, including rig body 1, rig body 1 is connected with drill rod driver 2, drill rod driver 2 is connected with drilling rod 3, drilling rod 3 comprises a plurality of drilling rod units, the end-to-end connection of drilling rod 3 has down-the-hole hammer 4, the parallel interval of 3 outer walls of drilling rod is provided with a plurality of mounting grooves 5, mounting groove 5 sets up with drilling rod unit one-to-one, each mounting groove 5 all is connected with strutting arrangement 6, strutting arrangement 6 is including support ring 7, a plurality of recesses 8 have been seted up to 7 outer walls of support ring, each recess 8 all is provided with mounting bracket 9, the one end that support ring 7 was kept away from to mounting bracket 9.
Specifically, the support ring 7 is formed by connecting a first support ring 11 and a second support ring 12 through bolts, inner holes of the first support ring 11 and the second support ring 12 are both provided with a rotating sleeve 13, and the rotating sleeve 13 is abutted to the mounting groove 5; the support ring 7 is conveniently installed in the installation groove 5 through the first support ring 11 and the second support ring 12 which are separately arranged.
Specifically, the drilling machine body 1 is connected with a mud pumping device 14, the mud pumping device 14 comprises a winch 15, a mud pumping pipe 16, a mud pumping pump 17 and a sedimentation tank 18, the winch 15 is rotatably connected with the drilling machine body 1, the mud pumping pipe 16 is wound on the outer wall of the winch 15, one end, close to the down-the-hole hammer 4, of the mud pumping pipe 16 is immersed in the inner cavity of the casing protection wall 32, one end, far away from the down-the-hole hammer 4, of the mud pumping pipe 16 is connected with the mud pumping pump 17, the mud pumping pump 17 is communicated with the sedimentation tank 18, a filter screen 19 is arranged in the inner cavity of the sedimentation tank 18, the filter screen 19 divides the inner cavity of the sedimentation tank 18 into an upper cavity 20 and a lower cavity 21, the upper cavity 20 is provided with a mud scraping device 22, the lower cavity 21 is connected with a mud conveying pump 23, the mud conveying; the mud drilled by the down-the-hole hammer 4 is pumped into the sedimentation tank 18 by the mud pumping device 14, particles such as pebbles and the like are filtered by the filter screen 19, and the filtered mud is re-injected into the casing protection wall 32 by the mud conveying pump 23.
Specifically, the first support ring 11 is provided with a pipe penetrating hole 25 for fixing the mud pumping pipe 16, the outer wall of the first support ring 11 is hinged with an anti-falling plate 26 matched with the pipe penetrating hole 25, and the outer wall of the first support ring 11 is rotatably connected with a fixing block 27 for fixing the anti-falling plate 26; after the support ring 7 is installed, the mud pumping pipe 16 is placed in the pipe penetrating hole 25, and the mud pumping pipe 16 is fixed through the anti-falling plate 26; the mud pumping pipe 16 is fixed through the perforation hole 25 and the anti-drop plate 26, so that the mud pumping pipe 16 is prevented from being scraped with the casing protection wall 32, and the problem that the outer wall of the mud pumping pipe 16 is damaged is solved.
Specifically, the mud scraping device 22 comprises a screw rod 28, a motor 29 and a nut 30, the screw rod 28 is rotatably connected to the upper chamber 20, the motor 29 is arranged on the outer wall of the sedimentation tank 18, the output end of the motor 29 penetrates through the side wall of the sedimentation tank 18 and is connected with the screw rod 28, the nut 30 is arranged on the outer wall of the screw rod 28, a scraping plate 31 is arranged at the bottom of the nut 30, and the scraping plate 31 is abutted to the filter screen 19; the scraper 31 can scrape off particles such as pebbles on the surface of the filter screen 19, so that the filter screen 19 is prevented from being blocked due to accumulation on the filter screen 19.
One specific application of this embodiment is: along with the deepening of the drilling depth of the down-the-hole hammer 4, the drill rod units are assembled one by one, and then the length of the drill rod 3 is lengthened accordingly, when the drill rod units are assembled, the first support ring 11 and the second support ring 12 are fixed in the installation groove 5 of the drill rod units through bolts, when the drill rod units stretch into the casing protective wall 32, the roller 10 on the support device 6 is abutted to the inner cavity of the casing protective wall 32, the drill rod 3 is supported through the plurality of support devices 6, the problem that the drill rod 3 is not enough in rigidity due to the fact that the length of the drill rod 3 is lengthened is avoided, and when the down-the-hole hammer 4 touches a float stone or a boulder, the drill rod 3 is bent.
When the support ring 7 is installed, the mud pumping pipe 16 is placed in the pipe penetrating hole 25, the mud pumping pipe 16 is connected with the pipe penetrating hole 25 in a sliding mode, the anti-falling plate 26 is turned over subsequently, the fixing block 27 is rotated to fix the anti-falling plate 26, the mud pumping pipe 16 is fixed through the anti-falling plate 26, the pipe penetrating hole 25 and the fixing block 27, the mud pumping pipe 16 is prevented from swinging randomly, the mud pumping pipe 16 is scraped 32 with the casing protecting wall, and then the problem that the mud pumping pipe 16 is damaged is caused.
The mud block generated after the down-the-hole hammer 4 drills is mixed with the mud, the mud block and the mud are pumped into the sedimentation tank 18 through the mud pump 17, the filter screen 19 is used for filtering particles such as pebbles, the filtered mud flows into the lower cavity 21 and is pumped into the inner cavity of the casing protection wall 32 again through the mud pump 23.
The motor 29 is started, drives the screw 28 to rotate, rotates through the screw 28, drives the nut 30 to slide, further makes the scraper 31 slide on the top of the filter screen 19, scrapes off particles such as pebbles on the surface of the filter screen 19 through the scraper 31, and avoids accumulating on the filter screen 19 to cause the blockage of the filter screen 19.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a down-the-hole hammer pore-forming device for cobble river bed ground, including rig body (1), rig body (1) is connected with drilling rod driver (2), drilling rod driver (2) are connected with drilling rod (3), the end-to-end connection of drilling rod (3) has down-the-hole hammer (4), its characterized in that: drill pipe (3) outer wall parallel interval is provided with a plurality of mounting grooves (5), each mounting groove (5) all are connected with strutting arrangement (6), strutting arrangement (6) are including support ring (7), a plurality of recesses (8) have been seted up to support ring (7) outer wall, each recess (8) all are provided with mounting bracket (9), the one end that support ring (7) were kept away from in mounting bracket (9) is rotated and is connected with gyro wheel (10), gyro wheel (10) and sleeve pipe dado (32) inner chamber butt.
2. A down-the-hole hammer boring device for a pebble river bed foundation according to claim 1, wherein: support ring (7) are passed through bolted connection by first support ring (11) and second support ring (12) and are constituteed, first support ring (11) and second support ring (12) hole all are provided with and rotate cover (13), it butts with mounting groove (5) to rotate cover (13).
3. A down-the-hole hammer boring device for a pebble river bed foundation according to claim 2, wherein: the mud pumping device (14) is connected with the drilling machine body (1), the mud pumping device (14) comprises a winch (15), a mud pumping pipe (16), a mud pumping pump (17) and a sedimentation tank (18), the winch (15) is rotatably connected with the drilling machine body (1), the mud pumping pipe (16) is wound on the outer wall of the winch (15), one end, close to a down-the-hole hammer (4), of the mud pumping pipe (16) is immersed in the inner cavity of a casing protective wall (32), one end, far away from the down-the-hole hammer (4), of the mud pumping pipe (16) is connected with the mud pumping pump (17), the mud pumping pump (17) is communicated with the sedimentation tank (18), the inner cavity of the sedimentation tank (18) is provided with a filter screen (19), the filter screen (19) separates the inner cavity of the sedimentation tank (18) into an upper cavity (20) and a lower cavity (21), the upper cavity (20) is provided with the mud scraping device (22), and the lower cavity (21) is connected, the mud conveying pump (23) is connected with a mud conveying pipe (24), and one end, far away from the mud conveying pump (23), of the mud conveying pipe (24) is arranged in the inner cavity of the casing pipe protecting wall (32).
4. A down-the-hole hammer boring device for a pebble river bed foundation according to claim 3, wherein: first supporting ring (11) are provided with perforation hole (25) that are used for fixed mud pumping pipe (16), first supporting ring (11) outer wall hinge have with perforation hole (25) assorted anticreep board (26), first supporting ring (11) outer wall rotates and is connected with fixed block (27) that are used for fixed anticreep board (26).
5. A down-the-hole hammer boring device for a pebble river bed foundation according to claim 3, wherein: mud scraping device (22) is including lead screw (28), motor (29) and nut (30), lead screw (28) are rotated and are connected in epicoele (20), motor (29) set up at sedimentation tank (18) outer wall, motor (29) output runs through sedimentation tank (18) lateral wall and is connected with lead screw (28), nut (30) set up at lead screw (28) outer wall, nut (30) bottom is provided with scraper blade (31), scraper blade (31) and filter screen (19) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477909.3U CN213330946U (en) | 2020-07-24 | 2020-07-24 | A down-the-hole hammer pore-forming device for cobble riverbed ground |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477909.3U CN213330946U (en) | 2020-07-24 | 2020-07-24 | A down-the-hole hammer pore-forming device for cobble riverbed ground |
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| CN213330946U true CN213330946U (en) | 2021-06-01 |
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| CN202021477909.3U Active CN213330946U (en) | 2020-07-24 | 2020-07-24 | A down-the-hole hammer pore-forming device for cobble riverbed ground |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059060A (en) * | 2022-06-23 | 2022-09-16 | 东莞市恒昌建筑工程有限公司 | Rotary excavating grouting wall protection construction method for complex terrain |
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2020
- 2020-07-24 CN CN202021477909.3U patent/CN213330946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059060A (en) * | 2022-06-23 | 2022-09-16 | 东莞市恒昌建筑工程有限公司 | Rotary excavating grouting wall protection construction method for complex terrain |
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