CN220395618U - Pebble layer penetrating device for precast tubular pile construction - Google Patents

Abstract

The utility model relates to a technical field of precast tubular pile construction discloses a precast tubular pile construction is with pebble layer penetrating device, and it includes drilling rod and drill bit, the drilling rod bottom has the connecting key, the drill bit top has the confession the connecting seat of connecting key grafting still includes installed part and supporting seat, the supporting seat with installed part one-to-one, the installed part is provided with two at least, the installed part includes relatively the removal seat that the drill bit removed, remove seat one end can remove to the protrusion the drill bit lateral wall, in order to right the connection can be dismantled to the supporting seat, make the supporting seat right the drill bit supports. The drill bit can reduce the possibility of dropping in connection with a drill rod.

Description

Pebble layer penetrating device for precast tubular pile construction

Technical Field

The application relates to the technical field of precast tubular pile construction, in particular to a gravel layer penetrating device for precast tubular pile construction.

Background

When the precast tubular pile is constructed, drilling is firstly carried out on a pile sinking position with the pebble layer according to the set aperture and the set hole depth so as to penetrate the pebble layer, and then pile sinking operation is carried out on the precast tubular pile.

The penetrating device for penetrating the pebble layer generally comprises a base, a mast, a power head, a drill rod and a drill bit, wherein the mast is connected to the base, the power head is connected to the mast, the drill rod is connected to the base through a winding rope, the drill rod penetrates through the power head, the power head is matched with the drill rod to drive the drill rod to rotate and move along the axis, and the drill bit is installed at the bottom of the drill rod.

The drill bit is required to be replaced according to different apertures, the connecting seat is arranged at the top of the drill bit, the connecting key used for being inserted into the connecting seat is arranged at the bottom of the drill rod, the connecting seat is connected with the connecting key through the bolt, namely, the drill bit is installed, but the bottom of the drill bit is usually spiral, the drill bit is in a lying state when being naturally placed, and the drill bit is heavier and has a certain danger through manual supporting, so that the drill rod is usually abutted onto the drill bit when the connecting key is matched with the connecting seat, the drill bit is slowly supported through movement of the drill rod, and the drill bit is gradually adjusted to be inserted into the connecting seat, so that the process of connecting the drill rod with the drill bit is difficult, and the drill bit is easy to separate from the drill rod in the moving process and is damaged by falling.

Disclosure of Invention

In order to reduce the possibility of dropping a drill bit in connection with a drill rod, the application provides an pebble layer penetrating device for precast tubular pile construction.

The application provides a precast tubular pile construction is with gravel layer penetration device adopts following technical scheme:

the utility model provides a gravel layer penetrating device for precast tubular pile construction, includes drilling rod and drill bit, the drilling rod bottom has the connecting key, the drill bit top has the confession the connecting seat of connecting key grafting still includes installed part and supporting seat, the supporting seat with the installed part one-to-one, the installed part is provided with two at least, the installed part is including relative the movable seat that the drill bit removed, movable seat one end can remove to the protrusion the drill bit lateral wall, in order to right the supporting seat carries out detachable connection, makes the supporting seat right the drill bit supports.

Through adopting above-mentioned technical scheme, through removing the seat to protruding drill bit lateral wall with removing, with the supporting seat with remove the seat again and be connected, make a plurality of supporting seats support the drill bit jointly to the drill bit is difficult for removing when connecting seat and connecting seat cooperate, thereby can reduce the possibility that the drill bit dropped in being connected with the drilling rod.

Optionally, the mounting further includes a fixing seat, the fixing seat corresponds to the movable seat one by one, the fixing seat is mounted on the top of the drill bit, the movable seat moves in the corresponding fixing seat, and a limiting part for limiting the movable seat to move out of the fixing seat completely is arranged between the movable seat and the fixing seat.

Through adopting above-mentioned technical scheme, the slip of moving the seat relative fixing base is led the removal of moving the seat, and makes through the spacing effect of locating part and moves the seat and be difficult for separating with the fixing base to improve the stability of moving the seat.

Optionally, the locating part includes spacing seat and stroke pole, spacing seat connect in remove seat one end, the stroke pole with spacing seat links to each other, just the stroke pole wears to establish out the fixing base, have on the fixing base and supply the stroke groove that the stroke pole wears to establish and remove, the stroke groove is followed remove seat direction of movement extends.

Through adopting above-mentioned technical scheme, the cooperation of stroke pole and travel groove is led the removal of the relative fixing base of movable seat and is limited the stroke.

Optionally, the spacing seat rotate connect in on the removal seat, the fixing base in travel groove department has seted up the confession the first constant head tank that the stroke pole slided, first constant head tank is followed fixing base circumference extends, works as the stroke pole with first constant head tank is relative, remove the relative drill bit of seat and accomodate.

Through adopting above-mentioned technical scheme, after the stroke pole slides to first constant head tank, make the removal seat be difficult for fixing base slip relatively to stability when improving and moving the seat and accomodating.

Optionally, the spacing seat rotate connect in on the removal seat, the fixing base in travel groove department has seted up the confession the second constant head tank that the stroke pole slided, the second constant head tank is followed fixing base circumference extends, works as the stroke pole with the second constant head tank is relative, remove the seat protrusion the drill bit lateral wall.

Through adopting above-mentioned technical scheme, after the stroke pole slides to the second constant head tank, make the removal seat be difficult for fixing base slip relatively to improve the stability when removing seat and supporting seat cooperation.

Optionally, the supporting seat includes wears the pole and ends the portion of moving, end move the portion connect in wear the pole outer wall, remove the seat and have the confession wear the pole and wear the perforation that establishes along being parallel to the drill bit axis direction.

Through adopting above-mentioned technical scheme, wear the pole and pass through the perforation and establish the removal seat to will remove the seat butt and on the portion of stopping moving, can support removal seat and drill bit through the portion of stopping moving.

Optionally, the anti-moving part is in threaded connection with the outer wall of the penetrating rod.

Through adopting above-mentioned technical scheme, the threaded connection of the portion that keeps moving can adjust the position of portion that keeps moving on wearing the pole to improve the adaptability of supporting seat to the drill bit of different height.

Optionally, the supporting seat further comprises a supporting claw arranged at the bottom of the penetrating rod.

Through adopting above-mentioned technical scheme, the setting of supporting jaw can make the more stable butt of wearing pole on ground.

In summary, the present application includes the following beneficial effects:

through the connection cooperation of supporting seat and movable seat, make the supporting seat support the drill bit to improve the stability of drill bit when connecting key and connecting seat cooperation, thereby improve the efficiency that the drilling rod is connected with the drill bit, and reduce the possibility that the drill bit drops in being connected with the drilling rod.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a schematic view of an exploded construction of a drill rod and drill bit according to an embodiment of the present application;

FIG. 3 is a schematic illustration of an explosive construction of a mount in an embodiment of the present application;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Reference numerals illustrate: 1. a drill rod; 2. a drill bit; 3. a connecting key; 4. a connecting seat; 5. a mounting member; 51. a movable seat; 52. a fixing seat; 6. a support base; 61. penetrating the rod; 62. a movement stopping part; 63. a supporting claw; 64. a stabilizing section; 7. a limiting piece; 71. a limit seat; 72. a travel bar; 8. a travel groove; 9. a first positioning groove; 10. a second positioning groove; 11. perforating; 12. a base; 13. a mast; 14. a power head; 15. a plug-in groove; 16. a chute; 17. lifting lugs.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a gravel layer penetrating device for precast tubular pile construction. Referring to fig. 1, the pebble layer penetrating device for precast pile construction comprises a base 12, a mast 13, a power head 14, a drill rod 1 and a drill bit 2, wherein the base 12 walks through a crawler, the mast 13 is installed on the base 12, the power head 14 moves on the mast 13 along the length extending direction of the mast 13, the drill rod 1 passes through the power head 14, the drill rod 1 is connected with the base 12 through a steel wire rope (not shown in the figure), a winch for winding and unwinding the steel wire rope is arranged on the base 12, and the power head 14 is matched with the drill rod 1 to drive the drill rod 1 to rotate and provide downward moving power for the drill rod 1.

Referring to fig. 2, a connecting key 3 is fixed at the bottom of the drill rod 1, and the connecting key 3 is square. The drill bit 2 is the tube-shape and the bottom has the drilling tool, and drill bit 2 top middle part is fixed with connecting seat 4, and connecting seat 4 has the grafting groove 15 that supplies connecting key 3 to peg graft from top to bottom, and all has the through-hole that supplies the bolt shank portion to wear to establish on connecting seat 4 and the connecting key 3 to when pegging graft to connecting seat 4, the through-hole of connecting key 3 is linked together with the through-hole of connecting seat 4, thereby makes through bolt and nut locking between connecting key 3 and the connecting seat 4.

The drill bit 2 is provided with mounting pieces 5 and supporting seats 6 in a matching mode, the mounting pieces 5 are mounted on the top surface of the drill bit 2, at least two mounting pieces 5 are in one-to-one correspondence with the supporting seats 6, and the mounting pieces 5 are detachably connected with the supporting seats 6. When the supporting seat 6 is connected with the mounting piece 5, the bottom of the supporting seat 6 downwards exceeds the bottom of the drill bit 2, so that the drill bit 2 is supported by the supporting seats 6 together, and the drill bit 2 is kept in a state that the inserting grooves 15 of the connecting seat 4 are upwards opened.

Referring to fig. 2 and 3, the mounting members 5 in this embodiment have three, and the three mounting members 5 are uniformly spaced apart in the circumferential direction of the drill bit 2. Specifically, each mounting member 5 includes a movable seat 51 and a fixed seat 52, the fixed seat 52 is square and fixed on the upper surface of the drill bit 2, and the length direction of the fixed seat 52 extends along the radial direction of the drill bit 2, and the peripheral lines of the fixed seat 52 do not exceed the peripheral side of the drill bit 2. The movable seat 51 is square, one end of the fixed seat 52 facing the outer side wall of the drill bit 2 is provided with a sliding groove 16 for sliding the movable seat 51, the sliding groove 16 penetrates through the bottom surface of the fixed seat 52, the movable seat 51 slides in the sliding groove 16 along the length direction of the fixed seat 52, and the lower surface of the movable seat 51 is propped against the upper surface of the drill bit 2.

The end of the movable seat 51 far away from the axis of the drill bit 2 is a mounting end, when the movable seat 51 moves to the mounting end beyond the outer side wall of the drill bit 2, the mounting end can be connected with the supporting seat 6, and at the moment, the end of the movable seat 51 far away from the mounting end is still located in the fixed seat 52.

The support base 6 includes a penetrating rod 61, a movement stopper 62, and a support claw 63. The penetrating rod 61 is in a round rod shape, the movement stopping part 62 is in a nut shape, the movement stopping part 62 is connected to the outer wall of the penetrating rod 61 in a threaded manner, the supporting claw 63 is fixed to the bottom end of the penetrating rod 61, and the supporting claw 63 is in a three-claw shape which is unfolded in a direction away from the penetrating rod 61. The mounting end of the movable seat 51 is provided with a through hole 11 through which the penetrating rod 61 penetrates, when the penetrating rod 61 is matched with the movable seat 51 through the through hole 11, the axis of the penetrating rod 61 is parallel to the axis of the drill bit 2, and the penetrating rods 61 of the supporting seats 6 are parallel to each other.

The opposite sides of the upper surface of the drill bit 2 are also fixedly provided with lifting lugs 17, during operation, the drill bit 2 is lifted upwards through the cooperation of the crane and the lifting lugs 17, the mounting end of the movable seat 51 is moved to the outer side wall of the protruded drill bit 2, then the penetrating rod 61 penetrates through the movable seat 51 from bottom to top, the anti-moving part 62 is positioned at the lower end of the movable seat 51, the drill bit 2 is lowered, the three supporting seats 6 are abutted to the ground through supporting claws 63, the movable seat 51 is abutted to the anti-moving part 62, the drill bit 2 is suspended through the support of the supporting seat 6, and the drill bit 2 keeps the state that the inserting grooves 15 face upwards. After the crane is disconnected with the lifting lug 17, the base 12 of the penetrating device is moved to drive the drill rod 1 to move to the position right above the drill bit 2, so that the drill rod 1 moves downwards to be in plug-in fit with the connecting seat 4. After the connecting seat 4 is connected with the connecting key 3, the supporting seat 6 is taken down from the drill bit 2, and the movable seat 51 is moved into the accommodating and fixing seat 52, so that the drill bit 2 can be driven by the drill rod 1 to perform drilling operation.

Referring to fig. 2, further, the support seat 6 further includes a stabilizing portion 64 screwed on the outer wall of the through rod 61, the stabilizing portion 64 is nut-shaped, and the stabilizing portion 64 is located at a side of the movement stopping portion 62 facing away from the supporting claw 63. When the penetrating rod 61 is in plug-in fit with the movable seat 51, the stabilizing part 64 is taken off from the penetrating rod 61, after the movable seat 51 is abutted against the movement stopping part 62, the stabilizing part 64 is in threaded connection with the penetrating rod 61 and moves to the upper surface of the movable seat 51 so as to limit the movable seat 51 to move relative to the penetrating rod 61, and the stability between the drill bit 2 and the supporting seat 6 is further improved

Referring to fig. 3 and 4, in order to limit the moving seat 51 from moving completely out of the fixed seat 52 when moving relative to the fixed seat 52, a limiting member 7 for limiting the moving seat 51 is provided between the fixed seat 52 and the moving seat 51. Specifically, the stopper 7 includes a stopper seat 71 and a stroke rod 72. The limiting seat 71 is disc-shaped, is connected to one end of the moving seat 51 close to the axis of the drill bit 2, and is located in the chute 16, and the axis direction of the limiting seat 71 is consistent with the length direction of the opposite fixed seat 52.

The travel bar 72 is fixed on the outer wall of the limit seat 71, the length direction of the travel bar 72 is perpendicular to the axial direction of the limit seat 71, the travel bar 72 penetrates through the fixed seat 52 from the inside of the chute 16 to extend to the outside of the fixed seat 52, the upper surface of the fixed seat 52 is provided with a travel groove 8 for the travel bar 72 to penetrate through and slide, the travel groove 8 is communicated with the chute 16 and extends along the length direction of the fixed seat 52, and the travel groove 8 does not penetrate through two ends of the fixed seat 52 far away from each other.

When the travel bar 72 moves in the travel slot 8 to be abutted against the inner wall of one end of the travel slot 8 far away from the axis of the drill bit 2, the through hole 11 on the moving seat 51 is positioned outside the outer side wall of the drill bit 2; when the travel bar 72 moves in the travel slot 8 to abut against the inner wall of the travel slot 8 near the axis of the drill bit 2, the movable seat 51 is mostly accommodated in the fixed seat 52, and the end of the movable seat 51 far away from the axis of the drill bit 2 does not exceed the outer side wall of the drill bit 2.

Further, the limiting seat 71 is rotatably connected to the moving seat 51 through a rotating shaft, the fixed seat 52 is provided with a first positioning groove 9 at one end of the travel groove 8 near the axis of the drill bit 2, and the fixed seat 52 is provided with a second positioning groove 10 at one end of the travel groove 8 far away from the axis of the drill bit 2. The first positioning groove 9 and the second positioning groove 10 extend along the circumference of the fixed seat 52, and are used for sliding in the travel rod 72.

When the movable seat 51 is accommodated in the fixed seat 52, the travel bar 72 is opposite to the first positioning slot 9, and the rotation travel bar 72 drives the limiting seat 71 to rotate, so that the travel bar 72 slides into the first positioning slot 9, so that the movable seat 51 is not easy to move relative to the fixed seat 52 when being accommodated. Similarly, when the through hole 11 of the movable seat 51 protrudes from the outer side wall of the drill bit 2, the travel bar 72 can slide into the second positioning groove 10 from the travel groove 8, and the movement of the movable seat 51 is restricted.

The implementation principle of the pebble layer penetrating device for the construction of the precast tubular pile is as follows: the travel bar 72 is first rotated into the second positioning groove 10, so that the through hole 11 of the movable seat 51 protrudes out of the outer side wall of the drill bit 2. Then hang the drill bit 2 through loop wheel machine and lug 17 cooperation, install supporting seat 6 again and remove on the seat 51, when making to drop subaerial, drill bit 2 is unsettled, and supporting seat 6 supports drill bit 2, and the jack-in groove 15 on the connecting seat 4 opens up. Then the moving base 12 moves the drill rod 1 to the position above the drill bit 2, so that the drill rod 1 moves the connecting key 3 downwards to be inserted into the connecting seat 4, the connecting key 3 is connected with the connecting seat 4 through the cooperation of bolts and nuts, the supporting seat 6 is taken down from the moving seat 51, and the travel rod 72 is rotated into the first positioning groove 9.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a gravel layer penetration apparatus for precast tubular pile construction, includes drilling rod (1) and drill bit (2), drilling rod (1) bottom has connecting key (3), drill bit (2) top has confession connecting seat (4) that connecting key (3) pegged graft, its characterized in that: still include installed part (5) and supporting seat (6), supporting seat (6) with installed part (5) one-to-one, installed part (5) are provided with two at least, installed part (5) are including relative remove seat (51) that drill bit (2) removed, remove seat (51) one end can remove to the protrusion drill bit (2) lateral wall, in order to right supporting seat (6) can dismantle the connection, make supporting seat (6) right drill bit (2) support.

2. The pebble-layer penetrating device for precast tubular pile construction according to claim 1, wherein: the mounting piece (5) further comprises a fixing seat (52), the fixing seat (52) corresponds to the movable seat (51) one by one, the fixing seat (52) is mounted on the top of the drill bit (2), the movable seat (51) moves in the corresponding fixing seat (52), and a limiting piece (7) for limiting the movable seat (51) to be completely moved out of the fixing seat (52) is arranged between the movable seat (51) and the fixing seat (52).

3. The pebble-layer penetrating device for precast tubular pile construction according to claim 2, wherein: the limiting piece (7) comprises a limiting seat (71) and a travel rod (72), the limiting seat (71) is connected to one end of the movable seat (51), the travel rod (72) is connected with the limiting seat (71), the travel rod (72) penetrates out of the fixed seat (52), the fixed seat (52) is provided with a travel groove (8) for the travel rod (72) to penetrate through and move, and the travel groove (8) extends along the moving direction of the movable seat (51).

4. A gravel layer penetrating device for precast tubular pile construction according to claim 3, characterized in that: the limiting seat (71) is rotationally connected to the movable seat (51), the fixed seat (52) is provided with a first positioning groove (9) for sliding the travel rod (72) at the travel groove (8), the first positioning groove (9) extends along the circumference of the fixed seat (52), and when the travel rod (72) is opposite to the first positioning groove (9), the movable seat (51) is stored relative to the drill bit (2).

5. A gravel layer penetrating device for precast tubular pile construction according to claim 3, characterized in that: the limiting seat (71) is rotationally connected to the movable seat (51), the fixed seat (52) is provided with a second positioning groove (10) for sliding the travel rod (72) at the travel groove (8), the second positioning groove (10) extends along the circumference of the fixed seat (52), and when the travel rod (72) is opposite to the second positioning groove (10), the movable seat (51) protrudes out of the side wall of the drill bit (2).

6. The pebble-layer penetrating device for precast tubular pile construction according to claim 1, wherein: the supporting seat (6) comprises a penetrating rod (61) and a moving stopping part (62), the moving stopping part (62) is connected to the outer wall of the penetrating rod (61), and the moving seat (51) is provided with a penetrating hole (11) for the penetrating rod (61) to penetrate along the axis direction of the drill bit (2).

7. The gravel layer penetrating device for precast tubular pile construction according to claim 6, wherein: the anti-moving part (62) is connected with the outer wall of the penetrating rod (61) in a threaded mode.

8. The gravel layer penetrating device for precast tubular pile construction according to claim 6, wherein: the supporting seat (6) further comprises a supporting claw (63) arranged at the bottom of the penetrating rod (61).