CN217327189U - Expanding bit and rotary drilling rig - Google Patents
Expanding bit and rotary drilling rig Download PDFInfo
- Publication number
- CN217327189U CN217327189U CN202220350343.0U CN202220350343U CN217327189U CN 217327189 U CN217327189 U CN 217327189U CN 202220350343 U CN202220350343 U CN 202220350343U CN 217327189 U CN217327189 U CN 217327189U
- Authority
- CN
- China
- Prior art keywords
- drill body
- movable hopper
- door
- hopper door
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The application relates to the technical field of construction equipment, a reamer bit and a rotary drilling rig are provided, the reamer bit comprises: the drill body is of a hollow structure, a cavity is formed in the drill body, a door hole communicated with the cavity is formed in the side end of the drill body, and the bottom end of the drill body is closed and provided with drilling teeth; the movable hopper door is arranged at the door hole and is in rotating fit with the drill body; the hole expanding teeth are arranged on the movable hopper door; and the telescopic mechanism is arranged in the cavity of the drill body, is connected with the movable hopper door and is used for opening or closing the movable hopper door. The beneficial effects of the utility model are that: the drilling function of drill bit is realized through the drilling tooth that sets up in the brill body bottom, realizes the reaming function through the reaming tooth on the activity sluice gate, and drilling and reaming can go on in step, and applicable optional position in pile foundation pore-forming in-process can carry out the reaming construction at any time, improves the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of architectural equipment, concretely relates to reamer bit and dig rig soon.
Background
The rotary drilling rig is usually provided with a special standard drill bit according to design requirements in the drilling process, and meanwhile, the rotary drilling rig can also be provided with an enlarged head drilling tool according to requirements. Before the actual reaming construction process, firstly, the parameters required by the reaming pile head are determined on the ground and then used. And after the hole is formed to reach the designed elevation, lifting the drill bit, replacing the hole expanding drill bit, connecting the drill bit through the drill rod, placing the drill bit at the bottom of the hole, marking the position before hole expansion and the displacement value required by hole expansion on the main drill rod, then moving the drill up and lifting the drill, starting hole expansion construction, and finally finishing the construction of the foundation pile hole.
At present, the single reaming construction can only be realized to the pile bottom to the reaming device for pile foundation, and the reaming position can not be adjusted, in the in-service use process, needs to carry multiple reamers, and changes the complex operation of drill bit, and required time is longer, influences pile foundation efficiency of construction, leads to its suitability relatively poor, has certain limitation.
Patent application No. 201721278037.6 discloses a rotary reamer for a bored concrete pile, which comprises a reamer bit and a fixing device; wherein: the device also comprises a lifting device, a loading device and a rotating device; with the help of hoisting device and steel cable cooperation, can hoist reamer to bored concrete pile depth position wantonly to through the fixing device location, loading device enables the reamer bit and stretches out downwards, by rotary device drive drill bit rotation, reach reaming purpose, but the suitability is relatively poor, only can dig soon and trade this reamer after the drilling is accomplished and carry out the reaming, can not realize drilling, reaming integration construction.
Patent application No. 201810053615.9 discloses a crowded expanding drill bit soon, includes: the drill bit comprises a drill bit main body and a hydraulic system, wherein when rotary drilling operation is performed, the fixed part and the movable part form a cylindrical barrel, and rotary drilling is performed on the hole in the depth direction; when the squeezing and expanding operation is carried out, the movable part is separated from the fixed part and stretches outwards to complete the squeezing and expanding operation of the hole diameter, but the invention has certain limitation, can not realize any position of the pile foundation hole forming process and can not carry out reaming construction at any time.
Therefore, the invention needs to invent a hole expanding drill bit device which can not only dig a hole but also expand the pile foundation aperture, and is suitable for hole expanding construction at any position of the pile foundation hole forming process at any time.
SUMMERY OF THE UTILITY MODEL
To the problem among the above-mentioned prior art, this application has provided a reaming drill bit and has dug rig soon, has solved the problem that current drill bit can not realize drilling and reaming integration construction.
In a first aspect, the utility model provides a reamer bit, include:
the drill body is of a hollow structure with a cavity inside, a door hole communicated with the cavity is formed in the side end of the drill body, and the bottom end of the drill body is closed and provided with drilling teeth;
the movable hopper door is arranged at the door hole and is in rotating fit with the drill body;
the hole expanding teeth are arranged on the movable hopper door; and
and the telescopic mechanism is arranged in the cavity of the drill body, is connected with the movable hopper door and is used for opening or closing the movable hopper door.
Further, the telescopic mechanism comprises a connecting rod, a supporting rod and a driving mechanism; one end of the connecting rod is hinged to the movable hopper door, the other end of the connecting rod is hinged to the bottom end of the supporting rod, the top end of the supporting rod is connected with the driving mechanism, and the driving mechanism is fixedly connected with the drill body and used for driving the supporting rod to move axially along the drill body.
Further, the movable hopper door with the door opening is provided with a plurality ofly respectively, and the one-to-one, and is a plurality of the movable hopper door with the axis of boring the body is the even symmetric distribution of center, the axis of bracing piece with the axis coincidence of boring the body, the connecting rod has a plurality ofly, and is a plurality of the movable hopper door is respectively through the one-to-one the connecting rod with the bracing piece is connected.
The beneficial effects of the further scheme are as follows: a plurality of movable hopper doors are connected with a supporting rod through a plurality of connecting rods respectively, so that synchronous opening and closing of the movable hopper doors are realized, and stability of reaming operation is guaranteed.
Furthermore, a pin shaft is arranged on one side of the door hole, and the axis of the pin shaft is parallel to the axis of the drill body; one side of the movable hopper door is in running fit with the drill body through the pin shaft, and the other side of the movable hopper door is provided with a plurality of reaming teeth.
Furthermore, the reaming teeth are detachably connected with the movable hopper door.
The beneficial effects of the further scheme are as follows: through independent with activity sluice gate detachable connection with a plurality of reaming teeth, be convenient for dismantle the change to the reaming tooth that the individuality damaged, productivity gain practices thrift the cost.
Furthermore, the bottom end of the drill body is also provided with a cutting disc, and the cutting disc is provided with a plurality of drilling teeth.
Furthermore, the movable hopper door is of an arc-shaped plate structure.
In a second aspect, the present invention further provides a rotary drilling rig, including the reamer bit.
The utility model has the advantages that: the drilling function of drill bit is realized through the drilling tooth that sets up in the brill body bottom, realizes the reaming function through the reaming tooth on the activity sluice gate, and drilling and reaming can go on in step, and applicable optional position in pile foundation pore-forming in-process can carry out the reaming construction at any time, improves the efficiency of construction.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the reamer bit of the present invention.
Fig. 2 is a schematic bottom view of the reamer head shown in fig. 1 after the movable door is opened.
Fig. 3 is an enlarged schematic structural view of a movable hopper door and a telescopic mechanism in fig. 1.
In the figure, 1-the drill body; 2-a movable hopper door; 3-reaming teeth; 4-a drill pipe; 5-door hole; 6-drilling teeth; 7-a cutting disc; 8-a connecting rod; 9-a support bar; 10-a drive mechanism; 11-pin shaft.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1 to 3 and the specific embodiments.
A reamer bit as shown in fig. 1 to 3 comprises a bit body 1, a movable gate 2, a reamer tooth 3 and a telescopic mechanism.
The drill body 1 is of a hollow structure, a cavity is formed in the drill body 1, in one embodiment, the drill body 1 is of a cylindrical structure, the bottom end of the drill body is closed, the top end of the drill body is in a frustum shape, the top end of the drill body is connected with a drill rod 4, and the drill rod 4 is connected with a rotary drilling rig.
The side end of the drill body 1 is provided with a door hole 5 communicated with the cavity, and the bottom end of the drill body 1 is provided with drilling teeth 6.
As shown in fig. 2, the bottom end of the drill body 1 is further provided with two cutting discs 7, each cutting disc 7 being provided with a plurality of drilling teeth 6. The drill body 1 coaxially rotates, and drilling operation is realized under the action of the drilling teeth 6. In one embodiment the bottom end of the drill body 1 is provided with an opening at the cutting disc 7 communicating with the inner cavity, so that during drilling, drill cuttings enter the drill body 1 through the opening.
The movable hopper door 2 is arranged at the door hole 5 and is in running fit with the drill body 1.
The reamer teeth 3 are arranged on the movable hopper door 2.
The telescopic mechanism is arranged in the cavity of the drill body 1, is connected with the movable hopper door 2 and is used for opening or closing the movable hopper door 2.
As shown in fig. 3, the telescopic mechanism includes a connecting rod 8, a support rod 9 and a driving mechanism 10; one end of the connecting rod 8 is hinged to the movable hopper door 2, the other end of the connecting rod 8 is hinged to the bottom end of the supporting rod 9, the top end of the supporting rod 9 is connected with the driving mechanism 10, and the driving mechanism 10 is fixedly connected with the drill body 1 and used for driving the supporting rod 9 to move along the axial direction of the drill body 1.
The drive mechanism 10 may be a telescopic cylinder or a telescopic motor. When the driving mechanism 10 drives the supporting rod 9 to move downwards, the connecting rod 8 is extruded to extend outwards, the movable hopper door 2 is pushed open, and the movable hopper door 2 is opened. When the drill body 1 is rotated, the reaming teeth 3 cut into rock under the action of torque to realize reaming, and during the reaming process, drilling slag falls off and falls off from the bottom of the hole. After reaming, the driving mechanism 10 drives the supporting rod 9 to move upwards, the connecting rod 8 is pulled and then is recovered into the drill body 1, and the movable hopper door 2 is closed. In the closing process of the movable hopper door 2, the drilling slag is squeezed into the cavity of the drill body 1 by the movable hopper door 2, after the drill is lifted, the movable hopper door 2 is opened again, and the drilling slag in the drill body 1 is discharged from the door hole 5, so that the automatic slag discharging function is realized.
When fixed-point reaming is needed, the movable hopper door 2 is closed, the drill body 1 is lifted to the position needing reaming, and then the movable hopper door 2 is opened to perform reaming.
In one embodiment, the movable hopper door 2 and the door hole 5 are respectively provided in plurality and in one-to-one correspondence. For example, there are two movable hopper doors 2 and two door holes 5. Two movable hopper doors 2 are uniformly and symmetrically distributed by taking the axis of the drill body 1 as the center, the axis of the supporting rod 9 coincides with the axis of the drill body 1, two connecting rods 8 are arranged, and the two movable hopper doors 2 are respectively connected with the supporting rod 9 through one connecting rod 8.
A pin shaft 11 is arranged on one side of the door hole 5, and the axis of the pin shaft 11 is parallel to the axis of the drill body 1; one side of the movable hopper door 2 is in running fit with the drill body 1 through a pin shaft 11, and the other side of the movable hopper door 2 is provided with a plurality of expanding teeth 3.
In one embodiment, the moveable gate 2 is an arcuate plate structure. The shaft pin and the hole expanding teeth 3 are respectively arranged at two opposite ends of the movable hopper door 2 in the circumferential direction, and the hole expanding teeth 3 are arranged at the outer side of the movable hopper door 2.
Each reamer tooth 3 is detachably connected with the movable hopper door 2. That is, each reamer tooth 3 is mounted on the movable hopper door 2 through a bolt, and when a certain reamer tooth 3 needs to be replaced, only the corresponding reamer tooth 3 needs to be detached.
The utility model also provides a dig rig soon, including foretell reamer bit.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that a person skilled in the art should also recognize that several modifications and decorations can be made without departing from the principle of the present invention, and the protection scope of the present invention is also covered.
Claims (8)
1. A reamer bit, comprising:
the drill body is of a hollow structure, a cavity is formed in the drill body, a door hole communicated with the cavity is formed in the side end of the drill body, and the bottom end of the drill body is closed and provided with drilling teeth;
the movable hopper door is arranged at the door hole and is in rotating fit with the drill body;
the hole expanding teeth are arranged on the movable hopper door; and
and the telescopic mechanism is arranged in the cavity of the drill body, is connected with the movable hopper door and is used for opening or closing the movable hopper door.
2. The reamer bit of claim 1, wherein the telescoping mechanism comprises a connecting rod, a support rod, and a drive mechanism; one end of the connecting rod is hinged to the movable hopper door, the other end of the connecting rod is hinged to the bottom end of the supporting rod, the top end of the supporting rod is connected with the driving mechanism, and the driving mechanism is fixedly connected with the drill body and used for driving the supporting rod to move axially along the drill body.
3. The reamer bit as claimed in claim 2, wherein the movable gates and the gate holes are respectively provided in plural numbers and are in one-to-one correspondence, the plural movable gates are uniformly and symmetrically distributed around the axis of the drill body, the axis of the support rod coincides with the axis of the drill body, the plural connecting rods are provided, and the plural movable gates are respectively connected to the support rod through the one-to-one corresponding connecting rods.
4. The reamer bit of claim 1, wherein a pin is arranged on one side of the door hole, and the axis of the pin is parallel to the axis of the drill body; one side of the movable hopper door is in running fit with the drill body through the pin shaft, and the other side of the movable hopper door is provided with a plurality of reaming teeth.
5. The reamer bit of claim 4, wherein the reamer teeth are removably coupled to the moveable gate.
6. The reamer bit of claim 1, wherein the bottom end of the bit body is further provided with a cutting disc, the cutting disc having a plurality of the drilling teeth disposed thereon.
7. The reamer bit of claim 1, wherein the moveable gate is an arcuate plate structure.
8. A rotary drilling rig comprising a reamer bit according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350343.0U CN217327189U (en) | 2022-02-21 | 2022-02-21 | Expanding bit and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350343.0U CN217327189U (en) | 2022-02-21 | 2022-02-21 | Expanding bit and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217327189U true CN217327189U (en) | 2022-08-30 |
Family
ID=82998204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220350343.0U Active CN217327189U (en) | 2022-02-21 | 2022-02-21 | Expanding bit and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217327189U (en) |
-
2022
- 2022-02-21 CN CN202220350343.0U patent/CN217327189U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4526242A (en) | Drilling device | |
| CN112282658B (en) | Continuous drilling and circulating pouring integrated piling tool | |
| CN208845100U (en) | A kind of civil construction drilling piling machine | |
| CN211950339U (en) | Drilling tool for expanding head of anti-floating anchor rod | |
| CN217327189U (en) | Expanding bit and rotary drilling rig | |
| CN110409428A (en) | Tube pile structure and its construction method | |
| CN102704851A (en) | Bottom expanding drill bit and rotary drilling machine | |
| CN202451059U (en) | Hole dilating drill bit | |
| CN204627406U (en) | A kind of hydraulic pressure reaming circulation drilling machine | |
| CN215213389U (en) | Core drill drilling device capable of pushing core | |
| CN112343578B (en) | Visual logging mechanism tunneling device | |
| CN113914777A (en) | Raise boring machine with synchronous digging and supporting and construction method thereof | |
| CN2296926Y (en) | Large-diameter drilling tool for drilling and coring of hard rock | |
| CN210685849U (en) | Pile machine squeezing and expanding drill rod opening and closing mechanism | |
| CN215672026U (en) | Side squeezing and lifting type soil squeezing device | |
| JP2000204874A (en) | Excavator | |
| CN116733369B (en) | Hole forming equipment for bored pile in narrow space of cavity and operation method thereof | |
| CN115012827B (en) | Pile foundation well reaming device | |
| CN210888788U (en) | Intelligence pole basis perforating device | |
| CN219344644U (en) | Double-bottom sand-bailing drilling bucket | |
| CN203769658U (en) | Slope tooth-shaped anchor cable chambering bit | |
| CN210829080U (en) | Pile foundation drill bit structure | |
| CN219114361U (en) | Mould demolishs device of multisection stake | |
| CN212612433U (en) | High-speed deep stirring drill bit | |
| CN219551894U (en) | Drilling sampling device for foundation detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |