CN219650299U - Positioning part and square pile drill bit - Google Patents

Abstract

The utility model belongs to the technical field of drilling equipment, and particularly relates to a positioning component and a square pile drill bit. The specific technical scheme is as follows: the pile foundation comprises a frame base body, wherein a rotatable positioning roller is arranged on the frame base body, the axial direction of the positioning roller is parallel to the axial direction of the excavating component, and the positioning working surface of the positioning roller is tightly attached to the side wall of the square pile. The excircle of the positioning roller is tightly attached to the side wall of the square pile to be processed, so that rotary cutting positioning can be realized on the digging component, and the problem that the flatness of the surface of the square pile after primary processing of the square pile drill bit is not high is solved.

Description

Positioning part and square pile drill bit

Technical Field

The utility model belongs to the technical field of drilling equipment, and particularly relates to a positioning component and a square pile drill bit.

Background

In square pile construction, the square pile after construction is completed needs to be filled with casting cement for cavity filling, part of construction sites need to be cast into the cement square pile to emerge from the ground, and after the construction process requires casting cement in the cavity, earth and stones around the cement column are excavated, so that the surface of the cement square pile which needs to leak out of the ground has higher flatness. This requires a high degree of flatness on the surface of the cavity to be poured, which is finished by the square pile drill.

The surface of the square pile after the existing square pile drill bit is processed is generally provided with bulges with the height of about 40mm, so that the requirement of a subsequent pouring process cannot be met. Therefore, there is a need for a construction apparatus that can perform secondary finishing of the side walls of a pile, which will have a superior industrial application prospect.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a positioning component and a square pile drill bit.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the utility model provides a locating component, includes the frame base member, be provided with rotatable positioning roller on the frame base member, positioning roller axis direction is parallel with the excavation component axis direction, the square pile lateral wall is hugged closely to positioning roller's location working face.

Preferably: the machine frame comprises a machine frame body, and is characterized in that a positioning roller mounting station is arranged on the machine frame body, an adjusting mechanism is arranged on the positioning roller mounting station, the machine frame body is connected with the positioning roller through the adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the positioning roller and the machine frame body.

Preferably: the adjusting mechanism comprises two wire sleeve seats fixedly arranged on the frame base body, two wire sleeve seats are internally connected with adjusting screw shafts in a threaded mode, one ends of the two adjusting screw shafts are connected with shaft holes of the fixing shafts in a matched mode, and the periphery of the fixing shafts are rotatably provided with the positioning roller.

Preferably: one end of the adjusting screw rod shaft, which is far away from the fixed shaft, is provided with a locking nut, and the adjusting screw rod shaft is locked and fixed through the locking nut;

or the two ends of the positioning roller are connected with the fixed shaft through bearings, and axial positioning rings are arranged on the circumferential side wall of the fixed shaft and positioned at the two ends of the positioning roller.

Corresponding to: the utility model provides a square pile drill bit, includes locating part, be provided with first excavation part on the frame base member lateral wall, first excavation part with locating part is located the same one side of frame base member, first excavation part includes the drive shaft that first drive arrangement drove, the drive shaft both ends all are connected with first excavation wheel body through the bearing, be provided with a plurality of excavation elements on the first excavation wheel body.

Preferably: two groups of positioning components are arranged on the same side wall of the frame base body, a first digging component and a second digging component are arranged on the same side wall of the frame base body and between the two positioning components, the second digging component comprises a transmission shaft driven by a second driving device, the circumferential side wall of the transmission shaft is connected with a second digging wheel body through a bearing, and a plurality of digging elements are arranged on the first digging wheel body; and the other side of the frame base body, which is far away from the positioning component, is provided with a counterweight device.

Preferably: the digging lengths of the second digging wheel bodies and the digging lengths of the two first digging wheel bodies are partially overlapped in the vertical direction.

Preferably: the first driving device comprises a first driving belt pulley driven by a power source and a first driven belt pulley arranged on the driving shaft, and the first driving belt pulley is connected with the first driven belt pulley through a first driving belt;

or the second driving device comprises a second driving belt pulley driven by the power source and a second driven belt pulley arranged on the transmission shaft, and the second driving belt pulley is connected with the second driven belt pulley through a second driving belt.

Preferably: the digging points of the digging elements are orthographic projected on the axis of the digging wheel body, and the distance between the projection points is smaller than 10mm.

Preferably: the number of the digging elements arranged on the same bus on the circumference of the digging wheel body is not more than 5.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up rotatable positioning roller on the lateral wall of frame base member, pile hole lateral wall is hugged closely to positioning roller's location working face, and positioning roller axis direction is parallel with excavation part axis direction, and positioning roller's excircle is hugged closely the lateral wall of waiting to process square pile, can realize rotatory cutting location to excavation part, has solved the not high problem of square pile surface smoothness of square pile drill bit primary processing completion.

2. Through being provided with adjustment mechanism on the locating roller installation station, the frame base member passes through adjustment mechanism and is connected with the locating roller, can adjust the distance between locating roller and the frame base member to adjust the cutting depth of the rotatory cutting of excavation component.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a square pile drill bit according to the present utility model;

FIG. 2 is a schematic front view of a square pile drill bit according to the present utility model;

FIG. 3 is a schematic front view of a square pile drill bit according to the present utility model;

FIG. 4 is a schematic side view of a square pile drill bit according to the present utility model (in operation);

FIG. 5 is a schematic view in section A-A of FIG. 2;

FIG. 6 is a schematic view in section B-B of FIG. 2;

FIG. 7 is a schematic view of section C-C of FIG. 2;

FIG. 8 is a schematic view of a chassis base according to the present utility model;

FIG. 9 is a schematic view of the pick body of the present utility model.

In the figure: the excavating element 1, the connecting square head 2, the reinforcing ribs 3, the motor 4, the positioning roller mounting station 5, the excavating component mounting station 6, the counterweight device 7, the square pile side wall 8, the fixed shaft 9, the frame base 10, the adjusting screw shaft 11, the lock nut 12, the screw socket 13, the axial positioning ring 14, the bearing 15, the positioning roller 16, the first driving pulley 17, the first driving belt 18, the first driven pulley 19, the first support 20, the first excavating pulley body 21, the end cover 22, the driving shaft 23, the sealing ring 24, the sealing ring mounting cover 25, the positioning ring 26, the second driving pulley 27, the second driving belt 28, the second driven pulley 29, the transmission shaft 30, the second excavating pulley body 31, the sealing end cover 32, the second support 33, the positioning spacer 34 and the shaft end retainer 35.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-5, the utility model discloses a positioning component of a square pile drill bit, which comprises a frame base body 10, wherein a rotatable positioning roller 16 is arranged on one side wall of the frame base body 10, the axial direction of the positioning roller 16 is parallel to the axial direction of an excavating component, and a positioning working surface of the positioning roller 16 is tightly attached to the side wall of a pile hole. The axial direction of the positioning roller 16 is perpendicular to the depth direction of the square pile deep hole. During operation, the outer circle of the positioning roller 16 is tightly attached to the side wall of the square pile to be processed, rotary cutting positioning can be realized on the digging part, and the problem that the flatness of the surface of the square pile after primary processing of the square pile drill is not high is solved.

Further, a positioning roller mounting station 5 is arranged on the frame base body 10, and the positioning roller mounting station 5 is used for mounting a positioning roller 16. The positioning roller mounting station 5 is provided with an adjusting mechanism, the frame base body 10 is connected with the positioning roller 16 through the adjusting mechanism, and the distance between the positioning roller 16 and the frame base body 10 can be adjusted through the adjusting mechanism, so that the cutting depth of rotary cutting of the excavating component is adjusted.

Further, there are various embodiments of the adjusting mechanism, and other embodiments may be used in addition to the three embodiments described in the specification. For example, the adjustment mechanism may be: a fixed cylinder is fixedly arranged at the positioning roller mounting station 5, and a plurality of first positioning holes are formed in the fixed cylinder along the axis direction of the fixed cylinder; the periphery of the fixed cylinder is sleeved with a sliding cylinder, and a plurality of second positioning holes corresponding to the first positioning holes are formed in the sliding cylinder along the axis direction of the sliding cylinder; one end of the sliding cylinder is fixedly connected with the fixed shaft 9 on the positioning roller 16, and the fixed cylinder is connected with the sliding cylinder through a locking screw or a fixed bolt. By adjusting the position of the slide cylinder within the fixed cylinder, the distance between the positioning roller 16 and the frame base 10 can be adjusted.

The adjusting mechanism may also be: a square hollow cylinder is fixedly arranged at the positioning roller mounting station 5, and a plurality of third positioning holes are formed in one side wall of the square hollow cylinder along the length direction; the square hollow cylinder is internally provided with a square slide bar in a sliding manner, one end of the square slide bar is provided with a through hole, the other end of the square slide bar is fixedly connected with a fixed shaft 9 on the positioning roller 16, and a fixing bolt or a locking screw sequentially penetrates through a third positioning hole and the through hole to fix the square hollow cylinder with the square slide bar. By adjusting the position of the square slide bar within the square hollow cylinder, the distance between the positioning roller 16 and the frame base 10 can be adjusted.

Specifically, the embodiment of the adjusting mechanism may further be: as shown in fig. 5, the adjusting mechanism comprises two wire sleeve bases 13 fixedly arranged on the frame base body 10 and located at the positioning roller mounting station 5, two wire sleeve bases 13 are internally connected with an adjusting wire rod shaft 11 in a threaded manner, and one ends of the adjusting wire rod shafts 11 are connected with holes at two ends of the fixed shaft 9 in a shaft fit manner. Specifically, the adjusting screw shaft 11 is connected with the hole site of the fixed shaft 9, limiting baffles are arranged on the adjusting screw shaft 11 and located at two ends of the outer circular side wall of the fixed shaft 9, the limiting baffles are arranged on the adjusting screw shaft 11, the adjusting screw shaft 11 is rotated, and the fixed shaft 9 moves back and forth. The positioning roller 16 is rotatably arranged on the periphery of the fixed shaft 9, and the positioning roller 16 can rotate relative to the fixed shaft 9. The fixed shaft 9 is fixed on the frame base body 10 through the adjusting screw shaft 11, the adjusting screw shaft 11 is in threaded fit with the screw sleeve seat 13, the screw shaft 11 is in hole shaft limit fit with the shaft 9, and the positioning roller 16 moves and adjusts along the axial direction of the adjusting screw shaft 11 through rotating the adjusting screw shaft 11, so that the distance between the positioning roller 16 and the frame base body 10 is adjusted. In operation, the cutting depth of the rotary cutting of the excavating component can be adjusted because the outer circle of the positioning roller 16 is tightly attached to the side wall 8 of the square pile to be processed.

Further, a lock nut 12 is disposed at one end of the adjusting screw shaft 11 far away from the fixed shaft 9, and the adjusting screw shaft 11 is locked and fixed by the lock nut 12, so that the adjusting screw shaft 11 is further fixed with the screw sleeve seat 13, and looseness between the adjusting screw shaft 11 and the screw sleeve seat 13 during working is prevented.

Further, the specific connection mode of the positioning roller 16 and the fixed shaft 9 is as follows: the two ends of the positioning roller 16 are connected with the fixed shaft 9 through bearings 15, and axial positioning rings 14 are arranged on the circumferential side wall of the fixed shaft 9 and positioned at the two ends of the positioning roller 16.

As shown in fig. 1-9, the present utility model also discloses a square pile drill bit, which includes a positioning component of the square pile drill bit described above, and the specific structure of the positioning component is not described herein. The side wall of the frame base body 10 is provided with a first digging component, the first digging component and the positioning component are located on the same side wall of the frame base body 10, the first digging component comprises a driving shaft 23 driven by a first driving device, two ends of the driving shaft 23 are connected with a first digging wheel body 21 through bearings 15, and a plurality of digging elements 1 are arranged on the first digging wheel body 21. The other side of the frame base body 10, which is far away from the positioning component, is provided with a counterweight device 7, so that the square pile drill bit in construction operation has larger adhesive force to the side wall 8 of the square pile to be processed, and the trend of the square pile drill bit to be tightly attached to the surface to be cut is increased.

The upper end of the frame matrix 10 is provided with a connecting square head 2, and the connecting square head 2 is connected with external execution equipment, wherein the external execution equipment is a rotary drilling rig, so that a square pile drill bit moves up and down in a square pile deep hole. The upper ends of the connecting square head 2 and the frame base body 10 are provided with reinforcing ribs 3, so that the mechanical strength of the connecting square head 2 is enhanced.

Further, the first driving device includes a first driving pulley 17 driven by a power source, and a first driven pulley 19 provided on a driving shaft 23, and the first driving pulley 17 and the first driven pulley 19 are connected by a first driving belt 18. The power source may be the motor 4, a combination of the motor 4 and a speed reducer, the generator 4, or the like. Preferably, the combination of the motor 4 and the speed reducer is adopted, a steel plate is welded on the other side wall of the frame base body 10, which is far away from the positioning component, and the motor 4 and the speed reducer are arranged on the steel plate.

Further, as shown in fig. 6, the driving shaft 23 is a connecting shaft with a variable diameter, that is, the driving shaft 23 includes a thick shaft with a larger diameter in the middle section and thin shafts with smaller diameters in the left and right sections. Two first digging wheel bodies 21 are respectively arranged on the left section and the right section with smaller diameter, and a first driven pulley 19 is arranged on one thin shaft and near the end part of the thick shaft. Specifically, a first digging component installation station 6 is arranged on the side wall of the frame base body 10 and below the positioning roller installation station 5, two first supports 20 are fixedly arranged at the first digging component installation station 6, connecting holes are formed in the two first supports 20, and two ends of a driving shaft 23 penetrate through the connecting holes and are connected with the first digging wheel body 21. The bearing 15 is disposed in the connection hole of the first support 20, and the first support 20 is connected to the driving shaft 23 through the bearing 15. A positioning ring 26 is arranged on the outer circumferential side wall of the driving shaft 23 and between the first digging wheel body 21 and the first support 20, and a sealing ring 24 is arranged between the positioning ring 26 and the first support 20. One end of one of the first supports 20 is disposed next to the first driven pulley 19, a seal ring 24 is disposed between the first support 20 and the first driven pulley 19, and a seal ring mounting cover 25 is disposed outside the seal ring 24. One end of the other first support 20 is arranged next to the thick shaft, a sealing ring 24 is arranged between the first support 20 and the end of the thick shaft, and a sealing ring mounting cover 25 is arranged outside the sealing ring 24. By providing the seal ring 24, external dust is prevented from entering the bearing 15. The end of the two first digging wheel bodies 21 far away from the thick shaft is provided with an end cover 22, and the end cover 22 and the driving shaft 23 are fixed through locking screws or fixing bolts.

In a more preferred embodiment, two groups of positioning members are disposed on the same side wall of the frame base 10, a first digging member and a second digging member are disposed on the same side wall of the frame base 10 and between the two positioning members, and the first digging member is located above the second digging member. The second excavating component comprises a transmission shaft 30 driven by a second driving device, a second excavating wheel body 31 is arranged on the circumferential side wall of the transmission shaft 30 through a bearing 15, and a plurality of excavating elements 1 are arranged on the first excavating wheel body 21.

Further, in order to achieve effective excavation of the entire surface of the side wall 8 of the square pile, the excavation length of the second excavation wheel body 31 is partially overlapped with the excavation lengths of the two first excavation wheel bodies 21 in the vertical direction. The excavation length refers to a length of the excavation wheel body along which the excavation element 1 is provided in the axial direction. As shown in FIG. 3, L ₁ 、L ₂ For the digging length L of the first digging wheel body 21 ₃ Is the digging length d of the second digging wheel body 31 ₁ 、d ₂ The overlapping portion of the excavation length of the first excavation wheel body 21 and the excavation lengths of the two second excavation wheel bodies 31.

Further, the second driving device includes a second driving pulley 27 driven by the power source, and a second driven pulley 29 disposed on the transmission shaft 30, and the second driving pulley 27 is connected to the second driven pulley 29 through a second driving belt 28. The power source may be the motor 4, a combination of the motor 4 and a speed reducer, the generator 4, or the like. Preferably, the combination of the motor 4 and the speed reducer is adopted, a steel plate is welded on the other side wall of the frame base body 10, which is far away from the positioning component, and the motor 4 and the speed reducer are arranged on the steel plate.

Further, as shown in fig. 7, two second supports 33 are provided on the side walls of the frame, connecting holes are provided on the two second supports 33, bearings 15 are provided in the connecting holes and on the side walls of the circumferences of the two ends of the transmission shaft 30, and the transmission shaft 30 is connected with the second supports 33 through the bearings 15. The second excavating gear body 31 is arranged between two second supports 33, a sealing ring 24 is arranged on one end of the second excavating gear body 31 and the circumferential side wall of the transmission shaft 30, the sealing ring 24 is arranged between the end part of the second gear body and the second supports 33, and a sealing ring mounting cover 25 is arranged on the periphery of the sealing ring 24. The other end of the second excavating wheel body 31 is provided with a second driven belt pulley 29, and positioning space rings 34 are arranged at the two ends of the second driven belt pulley 29 and positioned at the periphery of the transmission shaft 30; the end of the second driven pulley 29 remote from the second pick-up wheel body 31 is connected to a further second support 33 by means of a sealing ring 24, a sealing ring 24 mounting cap. Shaft end check rings 35 are further arranged at two ends of the transmission shaft 30, the shaft end check rings 35 are arranged in the connecting holes, and the shaft end check rings 35 are far away from the other side of the transmission shaft 30 and are positioned in the connecting holes and are provided with sealing end covers 32.

Each part on the transmission shaft 30 is tensioned and positioned through shaft end check rings 35 at two ends of the shaft, so that the effects of effectively eliminating gaps and positioning connection are realized. Sealing rings 24 are arranged at two ends of each bearing 15 on the transmission shaft 30, so that external dust is effectively prevented from entering the bearings 15, and the service life of the bearings 15 is effectively prolonged. All parts on the transmission shaft 30 are locked and positioned on the inner ring of the bearing 15 through the shaft end cover 22, and the outer ring of the bearing 15 is positioned on the second support 33 through the end cover 22, so that the frame base body 10, the second support 33 and the transmission shaft 30 are effectively connected into a frame structure through the bearing 15, the stability of the excavating component is improved, the rotating gap of the second excavating wheel body 31 is effectively eliminated, the cutting fluctuation of the excavating component is reduced, and the stability and the controllability of cutting are improved.

Further, the manner of installation of the excavating element 1 on the first excavating wheel body 21 and the second excavating wheel body 31 may be the same or different. The excavating element 1 is of the prior art, and may be cemented carbide, or may be other hard protrusions with cutting capability. The excavating elements 1 may be arranged on the circumferential side wall of the excavating wheel body in a standard manner or may be arranged irregularly.

As shown in fig. 9, in order to increase the cutting force of the cutting point of the single excavating element 1, the excavating point of the excavating element 1 is orthographically projected on the axis of the excavating wheel body, and the interval between the projecting points is less than 10mm. The number of the digging elements 1 arranged on the same bus on the circumference of the digging wheel body is not more than 5. The excavating elements 1 are required to be densely distributed along the circumferential axis, the number of the cutting points on the same bus is small, the number of the stress points is reduced to increase the cutting force of a single cutting point, and the purpose of cutting the whole line at the cutting bus can be realized after the excavating wheel body rotates for one circle.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. A positioning member, characterized in that: the pile foundation comprises a frame base body (10), wherein a rotatable positioning roller (16) is arranged on the frame base body (10), the axial direction of the positioning roller (16) is parallel to the axial direction of the excavating component, and the positioning working surface of the positioning roller (16) is tightly attached to the side wall (8) of the square pile.

2. A positioning member according to claim 1, wherein: the machine frame comprises a machine frame body (10), wherein a positioning roller mounting station (5) is arranged on the machine frame body (10), an adjusting mechanism is arranged on the positioning roller mounting station (5), the machine frame body (10) is connected with a positioning roller (16) through the adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the positioning roller (16) and the machine frame body (10).

3. A positioning member as claimed in claim 2, wherein: the adjusting mechanism comprises two wire sleeve bases (13) fixedly arranged on the frame base body (10), two wire sleeve bases (13) are internally connected with adjusting wire rod shafts (11) in a threaded mode, one ends of the two adjusting wire rod shafts (11) are connected with shaft holes of a fixed shaft (9) in a matched mode, and the periphery of the fixed shaft (9) is rotatably provided with a positioning roller (16).

4. A positioning member according to claim 3, wherein: one end of the adjusting screw rod shaft (11) far away from the fixed shaft (9) is provided with a locking nut (12), and the adjusting screw rod shaft (11) is locked and fixed through the locking nut (12);

or, the two ends of the positioning roller (16) are connected with the fixed shaft (9) through bearings (15), and axial positioning rings (14) are arranged on the circumferential side wall of the fixed shaft (9) and positioned at the two ends of the positioning roller (16).

5. A square pile drill bit, characterized in that: the positioning component of any one of claims 1-4 is included, a first digging component is arranged on the side wall of the frame base body (10), the first digging component and the positioning component are located on the same side of the frame base body (10), the first digging component comprises a driving shaft (23) driven by a first driving device, two ends of the driving shaft (23) are connected with a first digging wheel body (21) through bearings (15), and a plurality of digging elements (1) are arranged on the first digging wheel body (21).

6. A square pile drill bit according to claim 5, wherein: two groups of positioning components are arranged on the same side wall of the frame base body (10), a first digging component and a second digging component are arranged on the same side wall of the frame base body (10) and between the two positioning components, the second digging component comprises a transmission shaft (30) driven by a second driving device, the circumferential side wall of the transmission shaft (30) is connected with a second digging wheel body (31) through a bearing (15), and a plurality of digging elements (1) are arranged on the first digging wheel body (21); the other side of the frame base body (10) which is far away from the positioning component is provided with a counterweight device (7).

7. A square pile drill bit according to claim 6, wherein: the digging length of the second digging wheel body (31) is partially overlapped with the digging lengths of the two first digging wheel bodies (21) in the vertical direction.

8. A square pile drill bit according to claim 6 or 7, wherein: the first driving device comprises a first driving belt pulley (17) driven by a power source and a first driven belt pulley (19) arranged on a driving shaft (23), wherein the first driving belt pulley (17) is connected with the first driven belt pulley (19) through a first driving belt (18);

alternatively, the second driving device comprises a second driving pulley (27) driven by a power source and a second driven pulley (29) arranged on a transmission shaft (30), and the second driving pulley (27) and the second driven pulley (29) are connected through a second driving belt (28).

9. A square pile drill bit according to claim 5 or 6, wherein: the digging points of the digging element (1) are orthographic projected on the axis of the digging wheel body, and the distance between the projection points is smaller than 10mm.

10. A square pile drill bit according to claim 9, wherein: the number of the digging elements (1) arranged on the same bus on the circumference of the digging wheel body is not more than 5.