CN210562140U - Device for reducing thickness of wall protection mud skin of cast-in-situ bored pile - Google Patents
Device for reducing thickness of wall protection mud skin of cast-in-situ bored pile Download PDFInfo
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- CN210562140U CN210562140U CN201920952935.8U CN201920952935U CN210562140U CN 210562140 U CN210562140 U CN 210562140U CN 201920952935 U CN201920952935 U CN 201920952935U CN 210562140 U CN210562140 U CN 210562140U
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- scraper
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Abstract
The utility model discloses a reduce bored concrete pile dado mud skin thickness device, including support, a servo motor and sleeve, the upper end riveting of support has the connecting plate, a tip centre gripping of connecting plate has the ring seat, the inside rotation of ring seat is provided with changes the roller, set up on the inner wall of ring seat and supply to change roller pivoted spout, the inside intermediate position department of changeing the roller upwards extends the welding and has the bull stick. The device for reducing the thickness of the mud skin of the retaining wall of the cast-in-situ bored pile utilizes the circular motion of the scraper and is matched with the rack transmission to enable the scraper to horizontally displace towards the center of the rotating roller, thereby achieving the purpose of scraping a mud layer with certain thickness of the mud retaining wall, leading the scraping to be more uniform and saving time and labor; through adjusting nut's twisting, fasten or loosen the scraper of sleeve internalization to remove the soft or hard level of adaptation mud dado mud layer, improve the effect of scraping the material when protecting the scraper, be suitable for different working conditions, bring better use prospect.
Description
Technical Field
The utility model relates to a bored concrete pile drilling field, in particular to reduce bored concrete pile dado mud skin thickness device.
Background
The mud protecting wall is used for the projects of forming a groove on the underground continuous wall, drilling a bored pile and the like under the condition of being filled with mixed liquid of water, bentonite, other additives such as CMC and the like, and can effectively prevent the groove and the hole wall from collapsing due to the static pressure of mud on the groove wall and the mud skin formed by the mud on the groove wall; the device for reducing the thickness of the wall protection mud skin of the cast-in-situ bored pile is provided for solving the problem that the drill slag is smeared due to the fact that the impact drill cannot form a hole when the mud wall protection is too thick or the formed hole is too small.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reduce bored concrete pile dado mud skin thickness device can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for reducing the thickness of a wall protection mud skin of a cast-in-situ bored pile comprises a support, a first servo motor and a sleeve, wherein a connecting plate is riveted at the upper end of the support, a ring seat is clamped at one end of the connecting plate, a rotating roller is rotatably arranged inside the ring seat, a sliding chute for the rotating roller to rotate is formed in the inner wall of the ring seat, a rotating rod is welded at the middle position inside the rotating roller in an upward extending mode, the first servo motor is located above the rotating rod and is rotatably connected with the rotating rod through a coupler, a fixing sleeve is sleeved outside the first servo motor, four groups of supporting rods are symmetrically welded on the fixing sleeve, and the lower ends of the supporting rods are welded with the ring seat;
a gear is rotatably arranged at the position close to the side in the rotating roller, a gear shaft is connected on the gear through a spline, a rack is fixedly arranged at the upper end of the sleeve and is meshed with the lower end of the gear, two groups of sliding blocks are symmetrically welded at the position of the side surface of the sleeve, which is close to the upper end part, two groups of tracks for the sliding block to move are transversely arranged at the bottom of the rotary roller, an adjusting nut, a spring sleeve and a spring are sequentially sleeved on the outer side surface of the sleeve from top to bottom, the upper end of the spring is fixedly connected with the spring sleeve, the interior of the sleeve extends downwards and is movably provided with a scraper, two groups of strip-shaped grooves are transversely and symmetrically arranged on the outer side of the sleeve, two groups of slide bars which can move in the strip-shaped grooves are symmetrically welded on the upper end part of the scraper, a mud retaining wall is positioned directly below the roller and the scraper is proximate to the outer surface of the mud retaining wall.
Preferably, the gear shaft runs through the gear and is arranged, one end of the gear shaft is fixed by the inner wall of the bearing seat and the inner wall of the rotating roller, the other end of the gear shaft is connected with a second micro servo motor by a coupler, and the rotating speed of the second micro servo motor is set to be 2 r/min.
Preferably, the sleeve surface is provided with the external screw thread that supplies adjusting nut screw motion, the lower extreme and two sets of slide bar fixed connection of spring, the width in bar groove equals the twice of slide bar diameter.
Preferably, the knife point of the scraper faces the center of the mud protection wall, and a weight such as a balance is fixedly arranged on one side, far away from the gear, of the interior of the rotary roller.
Compared with the prior art, the utility model discloses following beneficial effect has: according to the device for reducing the thickness of the mud skin of the retaining wall of the cast-in-situ bored pile, the scraper is horizontally displaced towards the center of the rotating roller by utilizing the circumferential motion of the scraper and matching with the rack transmission, so that the purpose of scraping a mud layer with a certain thickness on the mud retaining wall is achieved, the hole is conveniently drilled, the scraping is more uniform, and the time and the labor are saved; the adjustable scraper in the sleeve is fastened or loosened by screwing the adjusting nut, so that the adjustable scraper is adapted to the hardness level of a mud layer of the mud protective wall, the scraper is protected, the material scraping effect is improved, and the adjustment is flexible, simple and convenient; whole device design is simple, convenient operation, and the effect of scraping mud is better for traditional mode, and the part that does not involve in this device all is the same with prior art or can adopt prior art to realize.
Drawings
Fig. 1 is a schematic view of the overall structure of a device for reducing the thickness of the wall mud of the cast-in-situ bored pile;
FIG. 2 is an internal view of a roller of the device for reducing the thickness of the mud sheet of the retaining wall of the cast-in-situ bored pile of the present invention;
fig. 3 is the utility model relates to a reduce bored concrete pile dado mud skin thickness device sleeve and connection structure chart of scraper.
In the figure: 1. a support; 2. a connecting plate; 3. a ring seat; 4. rotating the roller; 5. a chute; 6. a rotating rod; 7. a first servo motor; 8. a coupling; 9. fixing a sleeve; 10. a support bar; 11. a gear; 12. a gear shaft; 13. a sleeve; 14. a rack; 15. a track; 16. a slider; 17. adjusting the nut; 18. a spring housing; 19. a spring; 20. a scraper; 21. a strip-shaped groove; 22. a slide bar; 23. slurry wall protection; 24. balance, etc.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-3, a device for reducing the thickness of a wall protection mud skin of a cast-in-situ bored pile comprises a support 1, a first servo motor 7 and a sleeve 13, wherein a connecting plate 2 is riveted at the upper end of the support 1 and plays a role in connection and fixation, a ring base 3 is clamped at one end of the connecting plate 2, a rotating roller 4 is rotatably arranged in the ring base 3, a chute 5 for rotating the rotating roller 4 is formed in the inner wall of the ring base 3, a rotating rod 6 is welded at the middle position in the rotating roller 4 in an upward extending manner, the first servo motor 7 is positioned above the rotating rod 6 and is rotatably connected with the rotating rod 6 through a coupler 8, a fixing sleeve 9 is sleeved outside the first servo motor 7, four groups of support rods 10 are symmetrically welded on the fixing sleeve 9, and the lower ends of the support rods 10 are welded;
a gear 11 is rotatably arranged in the position, close to the side, inside the rotary roller 4, a gear shaft 12 is connected to the gear 11 through a spline, a rack 14 is fixedly arranged at the upper end of a sleeve 13, the rack 14 is meshed with the lower end of the gear 11, two groups of sliders 16 are symmetrically welded at the position, close to the upper end, of the side surface of the sleeve 13, two groups of tracks 15 for the sliders 16 to move are transversely arranged at the bottom of the rotary roller 4, an adjusting nut 17 is sequentially sleeved on the outer side surface of the sleeve 13 from top to bottom, the device comprises a spring sleeve 18 and a spring 19, wherein the upper end of the spring 19 is fixedly connected with the spring sleeve 18, a scraper 20 is movably installed in the sleeve 13 in a downward extending mode, two groups of strip-shaped grooves 21 are transversely and symmetrically formed in the outer side of the sleeve 13, two groups of sliding rods 22 capable of moving in the strip-shaped grooves 21 are symmetrically welded to the upper end of the scraper 20, a slurry retaining wall 23 is placed right below a rotating roller 4, and the scraper 20 is close to the outer surface of the slurry retaining wall 23;
a gear shaft 12 penetrates through the gear 11, one end of the gear shaft 12 is fixed by a bearing seat and the inner wall of the rotating roller 4, the other end of the gear shaft 12 is connected with a second micro servo motor by a coupler 8, and the rotating speed of the second micro servo motor is set to be 2 r/min; the surface of the sleeve 13 is provided with an external thread for the adjusting nut 17 to perform spiral motion, the lower end of the spring 19 is fixedly connected with two groups of sliding rods 22, the width of the strip-shaped groove 21 is equal to twice of the diameter of the sliding rods 22, and the sliding rods 22 can generate micro displacement in the strip-shaped groove 21; the scraper 20 has a blade edge facing the center of the slurry wall 23, and a weight 24 such as a balance is fixedly provided inside the roller 4 on a side away from the gear 11 to maintain the weight balance inside the roller 4 and to maintain the rotational stability.
It should be noted that, the utility model relates to a device for reducing the thickness of the mud skin on the retaining wall of the bored pile, when in use, firstly, the first servo motor 7 is started, the rotating rod 6 is driven to rotate at a high speed through the coupling 8, so that the rotating roller 4 makes a circular motion in the annular seat 3, the scraper 20 below the rotating roller 4 scrapes the outermost mud on the mud retaining wall 23, then the second micro servo motor is started, the gear 11 is driven to rotate at a slow speed through the gear shaft 12, the rack 14 meshed with the gear 11 horizontally moves towards the center of the rotating roller 4, and the sliding block 16 on the sleeve 13 is driven to move in the track 15, the sleeve 13 and the scraper 20 slowly move towards the center, the scraper 20 continuously scrapes the mud on the surface of the mud retaining wall 23, the thickness is reduced, meanwhile, when the hardness of the mud retaining wall 23 is larger, the adjusting nut 17 is screwed, the spring sleeve 18 is driven to descend, the spring 19 is compressed downwards, and the spring 19 acts on the two, the increase is to scraper 20's control dynamics, makes scraper 20 not rock when scraping mud to the needs on this adaptation hard mud layer, and same soft mud layer can reverse operation, alleviates the control dynamics to scraper 20, and slide bar 22 can be at bar inslot 21 internal micrometric displacement, and even bring out inside mud when avoiding scraping mud, it is comparatively practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a reduce bored concrete pile dado mud skin thickness device which characterized in that: the automatic welding device comprises a support (1), a first servo motor (7) and a sleeve (13), a connecting plate (2) is riveted to the upper end of the support (1), a ring seat (3) is clamped at one end of the connecting plate (2), a rotary roller (4) is arranged inside the ring seat (3) in a rotating mode, a sliding groove (5) for the rotary roller (4) to rotate is formed in the inner wall of the ring seat (3), a rotary rod (6) is welded to the middle position inside the rotary roller (4) in an extending mode, the first servo motor (7) is located above the rotary rod (6) and is connected with the rotary rod (6) in a rotating mode through a coupler (8), a fixing sleeve (9) is sleeved on the outer side of the first servo motor (7), four groups of supporting rods (10) are symmetrically welded to the fixing sleeve (9), and the lower ends of the supporting rods (10) are welded to the ring seat (3);
the inside of commentaries on classics roller (4) is close to the position rotation of avris and is provided with gear (11), spline connection has gear shaft (12) on gear (11), the fixed rack (14) that is provided with in upper end of sleeve (13) and the lower extreme meshing of rack (14) and gear (11), the side of sleeve (13) is close the position symmetry welding of upper end and has two sets of slider (16), two sets of tracks (15) that supply slider (16) to remove are transversely seted up to the bottom of commentaries on classics roller (4), the lateral surface of sleeve (13) is overlapped from the top down in proper order and is equipped with adjusting nut (17), spring housing (18) and spring (19), the upper end and spring housing (18) fixed connection of spring (19), the inside downwardly extending movable mounting of sleeve (13) has scraper (20), two sets of bar groove (21) have been seted up to the outside horizontal symmetry of sleeve (13), two sets of slide bars (22) that can move in bar groove (21) are welded to the upper end symmetry of scraper (20), place mud dado (23) under commentaries on classics roller (4) and scraper (20) are pressed close to the surface of mud dado (23).
2. The device for reducing the thickness of the mud skin of the retaining wall of the cast-in-situ bored pile according to claim 1, wherein: the gear shaft (12) runs through the gear (11) and is arranged, one end of the gear shaft (12) is fixed by the inner wall of the bearing seat and the rotating roller (4), the other end of the gear shaft (12) is connected with a second micro servo motor by a coupler (8), and the rotating speed of the second micro servo motor is set to be 2 r/min.
3. The device for reducing the thickness of the mud skin of the retaining wall of the cast-in-situ bored pile according to claim 1, wherein: the surface of the sleeve (13) is provided with an external thread for the screw motion of the adjusting nut (17), the lower end of the spring (19) is fixedly connected with the two groups of sliding rods (22), and the width of the strip-shaped groove (21) is equal to twice the diameter of each sliding rod (22).
4. The device for reducing the thickness of the mud skin of the retaining wall of the cast-in-situ bored pile according to claim 1, wherein: the knife point of the scraper (20) faces the center of the slurry protection wall (23), and a balancing equal weight (24) is fixedly arranged on one side, far away from the gear (11), of the interior of the rotary roller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920952935.8U CN210562140U (en) | 2019-06-24 | 2019-06-24 | Device for reducing thickness of wall protection mud skin of cast-in-situ bored pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920952935.8U CN210562140U (en) | 2019-06-24 | 2019-06-24 | Device for reducing thickness of wall protection mud skin of cast-in-situ bored pile |
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| Publication Number | Publication Date |
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| CN210562140U true CN210562140U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920952935.8U Active CN210562140U (en) | 2019-06-24 | 2019-06-24 | Device for reducing thickness of wall protection mud skin of cast-in-situ bored pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726577A (en) * | 2020-12-25 | 2021-04-30 | 中铁一局集团有限公司 | Pore-forming cast-in-place pile construction equipment and construction process thereof |
-
2019
- 2019-06-24 CN CN201920952935.8U patent/CN210562140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726577A (en) * | 2020-12-25 | 2021-04-30 | 中铁一局集团有限公司 | Pore-forming cast-in-place pile construction equipment and construction process thereof |
| CN112726577B (en) * | 2020-12-25 | 2022-02-25 | 中铁一局集团有限公司 | Construction process of pore-forming cast-in-place pile |
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