CN210067974U - Pile hole bottom expanding device - Google Patents
Pile hole bottom expanding device Download PDFInfo
- Publication number
- CN210067974U CN210067974U CN201920884489.1U CN201920884489U CN210067974U CN 210067974 U CN210067974 U CN 210067974U CN 201920884489 U CN201920884489 U CN 201920884489U CN 210067974 U CN210067974 U CN 210067974U
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- CN
- China
- Prior art keywords
- driving
- rod
- bottom expanding
- drill
- pile hole
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- Expired - Fee Related
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Abstract
The utility model relates to a pile hole bottom-expanding device which is fixedly arranged on a mounting plate and comprises a drilling mechanism, a bottom-expanding mechanism and a driving mechanism; the drilling mechanism comprises a drill rod with one end rotatably connected to the mounting plate and a drill bit fixedly connected to the other end of the drill rod; the bottom expanding mechanism comprises a lifting part sleeved on the drill rod, a first connecting rod with one end hinged to the drill bit and a second connecting rod with one end hinged to the first connecting rod, the lifting part comprises a sliding ring connected to the drill rod in a sliding mode and a rotating ring connected to the sliding ring in a rotating mode, and the second connecting rod is connected to the rotating ring in a rotating mode; the driving mechanism is arranged on the mounting plate and comprises a first driving part for driving the drill rod to rotate and a second driving part for driving the slip ring to slide. The utility model has the advantages of possess drilling function simultaneously and expand the end function.
Description
Technical Field
The utility model belongs to the technical field of the technique of construction field and specifically relates to a stake hole expands end device is related to.
Background
The pile hole of the traditional concrete cast-in-place pile is generally carried out in a manual bottom expanding mode, and the construction mode is high in construction strength and has certain danger. Therefore, various pile hole bottom expanding devices are produced.
However, in the existing pile hole bottom expanding device, a sleeve rod is driven by pressing a drill rod downwards, a hinged drill tooth is expanded to a designed size, and then the drill rod rotates to expand the bottom. However, in practical operation of such a bottom-enlarging machine, a drilling machine is mostly required to drill a pile hole for the bottom-enlarging machine, and then the bottom of the pile hole can be enlarged. The function of the bottom expanding machine is single, so that the bottom expanding work is more complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stake hole expands end device has the advantage that possesses drilling function and expand end function simultaneously.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a pile hole bottom expanding device is fixedly arranged on a mounting plate and comprises a drilling mechanism, a bottom expanding mechanism and a driving mechanism;
the drilling mechanism comprises a drill rod with one end rotatably connected to the mounting plate and a drill bit fixedly connected to the other end of the drill rod;
the bottom expanding mechanism comprises a lifting part sleeved on the drill rod, a first connecting rod with one end hinged to the drill bit and a second connecting rod with one end hinged to the first connecting rod, the lifting part comprises a sliding ring connected to the drill rod in a sliding mode and a rotating ring connected to the sliding ring in a rotating mode, and the second connecting rod is connected to the rotating ring in a rotating mode;
the driving mechanism is arranged on the mounting plate and comprises a first driving part for driving the drill rod to rotate and a second driving part for driving the slip ring to slide.
By adopting the technical scheme, firstly, the first driving part drives the drilling mechanism to drill a pile hole in a rock stratum, when the drilling mechanism reaches a preset depth position, the second driving part drives the sliding ring to slide so as to expand the first connecting rod and the second connecting rod, and the bottom expanding mechanism rotates along with the drilling mechanism, so that the bottom expanding of the pile hole is realized;
therefore, the drilling function and the bottom expanding function can be simultaneously realized by the staff only by using the pile hole bottom expanding device.
The utility model discloses further set up to: the first driving part comprises a first driving motor fixedly arranged on the mounting plate, and an output shaft of the first driving motor is coaxially and fixedly connected with the drill rod.
Through adopting above-mentioned technical scheme, first driving motor orders about the drilling rod and rotates in order to drive the drill bit and rotate, and the drill bit follows the drilling rod and rotates in order to drill on ground.
The utility model discloses further set up to: the second drive portion including fixed set up in the second driving motor of mounting panel, rotate connect in the initiative screw rod of mounting panel and rotate connect in the driven screw rod of mounting panel, the initiative screw rod with the equal threaded connection of driven screw rod in the sliding ring, second driving motor orders about the initiative screw rod rotates, be provided with on the initiative screw rod and be used for ordering about driven screw rod synchronous rotation's linkage portion.
Through adopting above-mentioned technical scheme, the second driving motor orders about the initiative screw rod and rotates, and linkage portion orders about driven screw rod and follows the initiative screw rod and rotate to make the sliding ring can slide along the drilling rod.
The utility model discloses further set up to: the linkage part comprises a driving gear, a driven gear and a transmission chain, wherein the driving gear is coaxially and fixedly arranged on the driving screw rod, the driven gear is coaxially and fixedly arranged on the driven screw rod, and the transmission chain is arranged between the driving gear and the driven gear in a wrapping mode.
By adopting the technical scheme, the driving screw rod drives the driving gear to rotate when rotating, and the transmission chain drives the driven gear to synchronously rotate along with the driving gear, so that the synchronous rotation of the driving screw rod and the driven screw rod is realized.
The utility model discloses further set up to: the number of the driven screw rods is two, and the driving screw rods and the two driven screw rods are arranged in a triangular mode by taking the drill rod as a center.
Through adopting above-mentioned technical scheme, the gliding stability of sliding ring has been improved in the setting of triangle-shaped.
The utility model discloses further set up to: and the outer wall of the drill bit is provided with a mounting groove for embedding the first connecting rod and the second connecting rod.
Through adopting above-mentioned technical scheme, drilling mechanism during operation, first connecting rod and second connecting rod embedding mounting groove, the drilling work of the drill bit of being convenient for prolongs club-footed mechanism's life.
The utility model discloses further set up to: the mounting groove extends along the outer wall of the drill bit from the left lower part to the right upper part or from the right lower part to the left upper part.
Through adopting above-mentioned technical scheme, the mounting groove upwards forms the screw thread on making the drill bit outer wall in the slope of drill bit outer wall, improves the drilling efficiency of drill bit.
The utility model discloses further set up to: the number of the first connecting rods is at least two, and the number of the second connecting rods is the same as that of the first connecting rods.
By adopting the technical scheme, the bottom expanding efficiency of the bottom expanding mechanism is improved.
To sum up, the utility model discloses a beneficial technological effect does:
1. the arrangement of the drilling mechanism and the bottom expanding mechanism ensures that the pile hole bottom expanding device has the drilling function and the bottom expanding function simultaneously;
2. the lifting part is arranged, so that the bottom expanding mechanism can rotate along with the drilling mechanism;
3. the mounting groove inclines upwards at the drill bit outer wall so that the screw thread is formed on the drill bit outer wall, and the drilling efficiency of the drill bit is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic view of the mounting structure of the drive mechanism.
In the figure, 1, mounting plate; 2. a drilling mechanism; 21. a drill stem; 22. a drill bit; 23. mounting grooves; 3. a bottom expanding mechanism; 31. a lifting part; 311. a slip ring; 312. rotating the ring; 32. a first link; 33. a second link; 4. a drive mechanism; 41. a first driving section; 42. a second driving section; 421. a second drive motor; 422. a driving screw; 423. a driven screw; 43. a linkage section; 431. a driving gear; 432. a driven gear; 433. a drive chain.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 and 2, for the utility model discloses a pile hole expands end device, fixed the setting in mounting panel 1, this pile hole expands end device includes drilling mechanism 2, expands end mechanism 3 and actuating mechanism 4. The drilling mechanism 2 is rotatably installed on the installation plate 1 to drill the ground, the bottom expanding mechanism 3 is installed on the drilling mechanism 2 to be used for expanding the bottom of the pile hole, and the driving mechanism 4 is used for the drilling mechanism 2 and the bottom expanding mechanism 3 to work.
The drilling mechanism 2 comprises a drill rod 21 with one end rotatably connected to the mounting plate 1 and a drill bit 22 fixedly connected to the other end of the drill rod 21, wherein the drill rod 21 and the drill bit 22 are coaxially fixed. The outer wall of the drill bit 22 is provided with a mounting groove 23, and the mounting groove 23 extends along the outer wall of the drill bit 22 from the left lower part to the right upper direction or from the right lower part to the left upper direction, so that the outer wall of the drill bit 22 is formed with threads.
The bottom expanding mechanism 3 includes a lifting portion 31 sleeved on the drill rod 21, a first connecting rod 32 with one end hinged to the drill bit 22, and a second connecting rod 33 with one end hinged to the first connecting rod 32. The elevator section 31 includes a slip ring 311 slidably coupled to the drill pipe 21 and a rotary ring 312 rotatably coupled to the slip ring 311. The second link 33 is rotatably connected to the swivel 312 so that the first link 32 and the second link 33 can follow the rotation of the drill bit 22. The number of the first links 32 is at least two, the number of the second links 33 is the same as the number of the first links 32, and the number of the mounting grooves 23 is the same as the number of the second links 33.
When drilling, the sliding ring 311 is positioned at the highest point, and the hinge point of the first connecting rod 32 and the second connecting rod 33 is retracted into the mounting groove 23; when the bottom is expanded, the sliding ring 311 slides downwards gradually to drive the hinge point of the second connecting rod 33 and the rotating ring 312 to slide downwards gradually, a triangle is formed among the first connecting rod 32, the second connecting rod 33 and the ground of the mounting groove 23, and the hinge point of the first connecting rod 32 and the second connecting rod 33 extends out of the mounting groove 23.
Referring to fig. 2 and 3, the driving mechanism 4 is disposed on the mounting plate 1, and the driving mechanism 4 includes a first driving portion 41 for driving the drill rod 21 to rotate and a second driving portion 42 for driving the slip ring 311 to slide.
The first driving part 41 comprises a first driving motor fixedly arranged on the mounting plate 1, and an output shaft of the first driving motor is coaxially and fixedly connected with the drill rod 21.
The second driving part 42 includes a second driving motor 421 fixedly installed on the mounting plate 1, a driving screw 422 rotatably connected to the mounting plate 1, and a driven screw 423 rotatably connected to the mounting plate 1. The second driving motor 421 drives the driving screw 422 to rotate. Preferably, the output shaft of the second driving motor 421 is coaxially and fixedly arranged with the driving screw 422. The driving screw 422 and the driven screw 423 are both threadedly connected to the slip ring 311 for controlling the slip ring 311 to slide up and down along the drill rod 21. The lead of the driving screw 422 is the same as the lead of the driven screw 423. Preferably, the number of the driven screws 423 is two. The driving screw 422 and the two driven screws 423 are disposed in a triangle centered on the drill rod 21, and the diameter of an inscribed circle of the triangle is larger than that of the drill rod 21.
Further, the driving screw 422 is provided with an interlocking part 43 for driving the driven screw 423 to rotate synchronously. Specifically, the linkage 43 includes a driving gear 431 coaxially and fixedly disposed on the driving screw 422, a driven gear 432 coaxially and fixedly disposed on the driven screw 423, and a transmission chain 433 disposed between the driving gear 431 and the driven gear 432 in a wrapping manner. Preferably, the transmission ratio between the driving gear 431 and the driven gear 432 is 1 so that the rotation speeds of the driving screw 422 and the driven screw 423 are the same.
The implementation principle of the embodiment is as follows: the first driving motor drives the drill rod 21 to rotate so as to drive the drill rod 21 to rotate, and the drill bit 22 rotates along with the drill rod 21 so as to drill a hole on the ground; when the drilling mechanism 2 reaches a predetermined depth position, the second driving motor 421 drives the driving screw 422 to rotate, the linkage portion 43 drives the driven screw 423 to rotate along with the driving screw 422, so that the slip ring 311 can slide along the drill rod 21, and the bottom expanding mechanism 3 rotates along with the drill bit 22 to expand the pile hole.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a stake hole expands end device, fixed setting in mounting panel (1), its characterized in that: the pile hole bottom expanding device comprises a drilling mechanism (2), a bottom expanding mechanism (3) and a driving mechanism (4);
the drilling mechanism (2) comprises a drill rod (21) with one end rotatably connected to the mounting plate (1) and a drill bit (22) fixedly connected to the other end of the drill rod (21);
the bottom expanding mechanism (3) comprises a lifting part (31) sleeved on the drill rod (21), a first connecting rod (32) with one end hinged to the drill bit (22) and a second connecting rod (33) with one end hinged to the first connecting rod (32), the lifting part (31) comprises a sliding ring (311) connected to the drill rod (21) in a sliding mode and a rotating ring (312) connected to the sliding ring (311) in a rotating mode, and the second connecting rod (33) is connected to the rotating ring (312) in a rotating mode;
the driving mechanism (4) is arranged on the mounting plate (1), and the driving mechanism (4) comprises a first driving part (41) for driving the drill rod (21) to rotate and a second driving part (42) for driving the slip ring (311) to slide.
2. The pile hole bottom expanding device according to claim 1, wherein: the first driving part (41) comprises a first driving motor fixedly arranged on the mounting plate (1), and an output shaft of the first driving motor is coaxially and fixedly connected with the drill rod (21).
3. The pile hole bottom expanding device according to claim 1, wherein: the second driving portion (42) comprises a second driving motor (421) fixedly arranged on the mounting plate (1), a driving screw (422) rotatably connected to the mounting plate (1) and a driven screw (423) rotatably connected to the mounting plate (1), the driving screw (422) and the driven screw (423) are in threaded connection with the sliding ring (311), the second driving motor (421) drives the driving screw (422) to rotate, and a linkage portion (43) used for driving the driven screw (423) to rotate synchronously is arranged on the driving screw (422).
4. The pile hole bottom expanding device according to claim 3, wherein: the linkage part (43) comprises a driving gear (431) coaxially and fixedly arranged on the driving screw rod (422), a driven gear (432) coaxially and fixedly arranged on the driven screw rod (423), and a transmission chain (433) coated and arranged between the driving gear (431) and the driven gear (432).
5. The pile hole bottom expanding device according to claim 4, wherein: the number of the driven screws (423) is two, and the driving screw (422) and the two driven screws (423) are arranged in a triangular shape by taking the drill rod (21) as a center.
6. The pile hole bottom expanding device according to claim 1, wherein: and the outer wall of the drill bit (22) is provided with a mounting groove (23) for embedding the first connecting rod (32) and the second connecting rod (33).
7. The pile hole bottom expanding device according to claim 6, wherein: the mounting groove (23) extends along the outer wall of the drill bit (22) from the left lower side to the right upper side or from the right lower side to the left upper side.
8. The pile hole bottom expanding device according to claim 1, wherein: the number of the first connecting rods (32) is at least two, and the number of the second connecting rods (33) is the same as that of the first connecting rods (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884489.1U CN210067974U (en) | 2019-06-12 | 2019-06-12 | Pile hole bottom expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884489.1U CN210067974U (en) | 2019-06-12 | 2019-06-12 | Pile hole bottom expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210067974U true CN210067974U (en) | 2020-02-14 |
Family
ID=69457390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920884489.1U Expired - Fee Related CN210067974U (en) | 2019-06-12 | 2019-06-12 | Pile hole bottom expanding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210067974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220416A (en) * | 2020-03-09 | 2020-06-02 | 生态环境部华南环境科学研究所 | Underground water monitoring device and method for preventing underground water cross contamination |
-
2019
- 2019-06-12 CN CN201920884489.1U patent/CN210067974U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220416A (en) * | 2020-03-09 | 2020-06-02 | 生态环境部华南环境科学研究所 | Underground water monitoring device and method for preventing underground water cross contamination |
| CN111220416B (en) * | 2020-03-09 | 2022-04-19 | 生态环境部华南环境科学研究所 | Underground water monitoring device and method for preventing underground water cross contamination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |