CN220791162U - Clamping and righting device of drilling tool - Google Patents
Clamping and righting device of drilling tool Download PDFInfo
- Publication number
- CN220791162U CN220791162U CN202322761720.7U CN202322761720U CN220791162U CN 220791162 U CN220791162 U CN 220791162U CN 202322761720 U CN202322761720 U CN 202322761720U CN 220791162 U CN220791162 U CN 220791162U
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- Prior art keywords
- centralizer
- drilling tool
- mounting plate
- mounting
- clamping
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- 238000005553 drilling Methods 0.000 title claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a clamping and righting device of a drilling tool, which comprises a mounting seat, wherein a clamp holder for clamping a drilling rod is arranged on the mounting seat, and a centralizer for adjusting the drilling posture of the drilling rod is arranged on the clamp holder. The clamp holder and the centralizer are matched for use, so that the stable movement of the drill rod can be ensured while the drill rod is clamped, the abrasion to the drill rod is reduced, and the service life of the drill rod is prolonged; meanwhile, the device is easy to install, detach and replace, and convenience is improved.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling equipment, in particular to a clamping and righting device of a drilling tool.
Background
In the exploration of Sichuan-Tibetan railway, the drilling tool is driven to drill the main special mechanical equipment, such as a drilling machine for short, of physical geological data ore cores, rock fragments, liquid samples, gaseous samples and the like from underground. The purpose is to directly reveal the condition of the stratum under the ground or to obtain the section live of the stratum so as to provide experiments and obtain relevant data. The drilling tool is an important component of drilling engineering, and the stability of the drilling tool directly influences the working efficiency of drilling in the drilling process.
The clamping and centering device of the drilling tool is an indispensable component of the drilling machine in the drilling process, and the clamping part mainly plays roles in realizing actions of butt joint, separation, drill bit disassembly and the like between drilling rods by coordinating with a drilling machine motor when the drilling rods are assembled and disassembled. The performance of the drilling machine is directly influenced by the performance of the whole machine, the drilling efficiency, the drilling quality and the like. The righting part can play a role in guiding and righting the drill rod during drilling, so that the axis of the drill bit is always positioned in the middle of drilling, and the drilling effect of the drill bit is guaranteed. Plays a key role in preventing drilling deflection, reducing vibration of a drilling machine, prolonging the service life of a drill bit and the like.
In the prior art, a clamp holder of a double-oil-cylinder butt-clamp structure is adopted in structural design, or three evenly-distributed oil cylinders are adopted to stretch out and clamp a drill rod through movement of a piston rod of the clamp holder to meet design requirements, but the independent clamp holder easily causes deflection of the center of the drill rod, and a synchronous valve is needed to be added in a hydraulic system to ensure, so that the hydraulic system is complex, and the operation cost is high.
Therefore, it is desirable to provide a tool holding and centering device that can both stabilize and hold the drill rod for smooth movement and facilitate disassembly.
Disclosure of utility model
In view of the above, the utility model provides a clamping and righting device of a drilling tool, which aims to solve the problems in the prior art.
The clamping and righting device for the drilling tool comprises a mounting seat, wherein a clamp holder for clamping a drilling rod is arranged on the mounting seat, and a centralizer for adjusting the drilling posture of the drilling rod is arranged on the clamp holder.
On the basis of the scheme, the mounting seat comprises:
A bottom plate;
two vertical plates arranged on the bottom plate;
A holder mounting plate provided on both of the upright plates for mounting a holder;
and the lug plate is arranged on the bottom plate and used for installing the oil cylinder.
On the basis of the scheme, the clamp comprises:
the fixing frame is arranged on the clamp holder mounting plate;
Two clamping cylinder steel cylinders arranged on two sides of the fixing frame;
Two piston rods which are oppositely arranged inside the two clamping cylinder steel cylinders;
And two slips arranged on the opposite inner sides of the two piston rods;
and slip seats arranged on the opposite inner sides of the two slips.
On the basis of the scheme, the centralizer comprises:
a centralizer mounting plate disposed on the mount;
a bearing mounting end cap disposed on the centralizer mounting plate;
the bearing inner ring mounting sleeve is arranged on the centralizer mounting plate;
and the tapered roller bearing is sleeved on the outer side of the bearing inner ring mounting sleeve and positioned between the centralizer mounting plate and the bearing mounting end cover.
On the basis of the scheme, the method further comprises the following steps: screws for fixing the bearing mounting end cap and the centralizer mounting plate and the fixing frame.
On the basis of the scheme, the method further comprises the following steps: and sealing gaskets are respectively arranged between the screw and the bearing mounting end cover and between the screw and the centralizer mounting plate.
On the basis of the scheme, the method further comprises the following steps: and the lifting ring screw is arranged at the top of the fixing frame and used for lifting.
The utility model provides a clamping and righting device of a drilling tool, which ensures that a drilling rod can be stably moved while being clamped by a clamp and a centralizer, reduces abrasion to the drilling rod and prolongs the service life of the drilling rod; meanwhile, the device is easy to install, detach and replace, and convenience is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic view of a clamping and righting device of the drilling tool in the embodiment 1;
FIG. 2 is a schematic view (side view) of the clamp-on centralizer of the drilling tool of example 1;
Fig. 3 is a schematic structural diagram of the mounting base in embodiment 1;
FIG. 4 is a schematic view (sectional view) of the structure of the clamper of embodiment 1;
FIG. 5 is a schematic view of the structure of the centralizer of example 1;
FIG. 6 is a schematic view (in cross-section) of the structure of the centralizer of example 1;
FIG. 7 is a schematic view of the structure of the clamp-on centralizer mounting mast assembly of the drilling tool of example 1.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
1-2, The clamping and righting device of the drilling tool comprises a mounting seat 1, a clamp holder 2 and a centralizer 3, wherein the mounting seat 1 is arranged on a mast assembly (shown in FIG. 7), the clamp holder 2 is arranged on the mounting seat 1 and used for clamping a drilling rod, and the centralizer 3 is arranged on the clamp holder 2 and used for adjusting the drilling posture of the drilling rod.
As shown in fig. 3, as a specific embodiment, the mount 1 includes a base plate 1-1, two vertical plates 1-2 provided on the base plate 1-1, a holder mounting plate 1-4 provided on the two vertical plates 1-2 for mounting the holder 2, and an ear plate 1-3 provided on the base plate 1-1 for mounting the cylinder. Specifically, the centralizer 3 is connected with the holder mounting plates 1-4 through screws and is mounted in front of the holder 2.
As shown in fig. 4, the holder 2 includes a fixing frame 2-1 provided on a holder mounting plate 1-4, a center hole 2-11 provided on the fixing frame 2-1 in a direction parallel to the holder mounting plate 1-4 for passing through a drill rod, two clamp cylinder steel cylinders 2-2 provided on both sides of the fixing frame 2-1, two piston rods 2-3 provided inside the two clamp cylinder steel cylinders 2-2, two slips 2-4 provided opposite to the two piston rods 2-3, and a slip bowl 2-5 provided inside the two slips 2-4. Specifically, the top end of the fixing frame 2-1 is provided with two grooves, and the top of the fixing frame 2-1 is provided with a lifting screw 2-6 for lifting; the fixing frame 2-1 is connected with the clamping cylinder steel cylinder 2-2 through screws; the fixing frame 2-1 is fixedly connected with the mounting seat 1 through bolts; the piston rod 2-3 is connected with the slip seat 2-5 through a screw; the slip seat 2-5 is fixedly connected with the slip 2-4 through screws, and the surface of the slip 2-4 is provided with protruding teeth; when the device is used, the piston rod 2-3 can drive the slips 2-4 to move, and the slips 2-4 can clamp or unclamp a drill rod under the drive of the piston rod 2-3, so that the device is firmly and conveniently connected with the drill rod.
As shown in fig. 5-6, as a specific embodiment, the centralizer 3 includes a centralizer mounting plate 3-1 provided on the mount 2-1, a bearing mounting end cap 3-2 provided on the centralizer mounting plate 3-1, a bearing inner race mounting sleeve 3-3 provided on the centralizer mounting plate 3-1, and a tapered roller bearing 3-4 fitted over the bearing inner race mounting sleeve 3-3 and located between the centralizer mounting plate 3-1 and the bearing mounting end cap 3-2.
Specifically, a screw hole is formed in the round table on the upper side of the centralizer mounting plate 3-1, and the centralizer mounting plate 3-1 is connected with the bearing mounting end cover 3-2 through a screw 3-5; in order to improve the tightness of the centralizer 3, a sealing gasket 3-6 is arranged at the connection position of the screw 3-5 between the centralizer mounting plate 3-1 and the bearing mounting end cover 3-2; the sealing gasket 3-6 is of a flat annular rubber gasket structure, and the sealing gasket 3-6 has an effective sealing effect after being extruded by the centralizer mounting plate 3-1 and the bearing mounting end cover 3-2;
The tapered roller bearing 3-4 is used for greatly prolonging the service life of the centralizer through rolling friction; the through hole is arranged along the central axis direction of the bearing inner ring mounting sleeve 3-3 and used for penetrating through the drill rod; the bearing inner ring mounting sleeve 3-3 is connected with the inner ring of the tapered roller bearing 3-4;
In order to further improve the tightness of the centralizer mounting plate 3-1, a square table of the centralizer mounting plate 3-1 is provided with a through hole, and a screw 3-5 penetrates through the through hole to be connected with the fixing frame 2-1; a gasket 3-6 for improving sealability is provided between the screw 3-5 and the centralizer mounting plate 3-5.
Rounded corners are symmetrically arranged at positions close to the through holes; the inclined edges are formed in the round table at the lower side of the centralizer mounting plate 3-1, and the inclined plane at the lower side of the centralizer mounting plate 3-1 is connected with the inner ring of the tapered roller bearing 3-4 through the inner plane, so that the position of the bearing is limited.
Example 2
According to the clamping and centering device of the drilling tool in the embodiment 1, a specific implementation mode is provided, in the rod adding and withdrawing process, the clamping and centering device of the drilling tool is loosened and clamped by hydraulic pressure, oil is injected into an oil cylinder through a hydraulic system, high-pressure oil is introduced into two sides of the oil cylinder, the hydraulic oil cylinder pushes a piston rod 2-3 to extrude a slip seat 2-5 and a slip 2-4, and the slip 2-4 is folded from two sides under the driving of the piston rod 2-3, so that the purpose of clamping a drilling rod is achieved. And the centralizer 3 at the front end can better control the posture of the drill rod when the drilling machine drills under the adjustment of the tapered roller bearing 3-4, so that the phenomenon of hole deviation of drilling is reduced.
The hydraulic driving is a conventional driving manner in the prior art, and will not be described herein.
The clamping and righting device of the drilling tool is reasonable in design and novel in structure, ensures stable movement of the drilling rod, saves production cost, improves efficiency, thoroughly eliminates accident potential and reduces labor intensity of workers.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The utility model provides a centre gripping righting device of drilling tool, includes mount pad (1), its characterized in that: the drilling tool is characterized in that a clamp holder (2) for clamping a drill rod is arranged on the mounting seat (1), and a centralizer (3) for adjusting the drilling posture of the drill rod is arranged on the clamp holder (2).
2. The clamping and righting device of a drilling tool according to claim 1, characterized in that the mount (1) comprises:
A bottom plate (1-1);
Two vertical plates (1-2) arranged on the bottom plate (1-1);
A holder mounting plate (1-4) provided on both of the upright plates (1-2) for mounting the holder (2);
and the lug plate (1-3) is arranged on the bottom plate (1-1) and used for installing the oil cylinder.
3. The grip and righting device of a drilling tool according to claim 2, characterized in that the grip (2) comprises:
a fixing frame (2-1) arranged on the holder mounting plate (1-4);
Two clamping cylinder steel cylinders (2-2) arranged on two sides of the fixing frame (2-1);
Two piston rods (2-3) which are oppositely arranged inside the two clamping cylinder steel cylinders (2-2);
And two slips (2-4) arranged on opposite inner sides of the two piston rods (2-3);
And slip seats (2-5) arranged on opposite inner sides of the two slips (2-4).
4. A clamping and righting device of a drilling tool according to claim 3, characterized in that the centralizer (3) comprises:
a centralizer mounting plate (3-1) arranged on the fixing frame (2-1);
a bearing mounting end cover (3-2) arranged on the centralizer mounting plate (3-1);
a bearing inner ring mounting sleeve (3-3) arranged on the centralizer mounting plate (3-1);
And a tapered roller bearing (3-4) sleeved on the outer side of the bearing inner ring mounting sleeve (3-3) and positioned between the centralizer mounting plate (3-1) and the bearing mounting end cover (3-2).
5. The grip righting device for the drilling tool of claim 4, further comprising: screws (3-5) for fixing the bearing mounting end cover (3-2) and the centralizer mounting plate (3-1), and the centralizer mounting plate (3-1) and the fixing frame (2-1).
6. The grip righting device for the drilling tool of claim 5, further comprising: and sealing gaskets (3-6) respectively arranged between the screw (3-5) and the bearing mounting end cover (3-2) and between the screw (3-5) and the centralizer mounting plate (3-1).
7. The grip righting device for the drilling tool of claim 3, further comprising: and the lifting screw (2-6) is arranged at the top of the fixing frame (2-1) and used for lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322761720.7U CN220791162U (en) | 2023-10-16 | 2023-10-16 | Clamping and righting device of drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322761720.7U CN220791162U (en) | 2023-10-16 | 2023-10-16 | Clamping and righting device of drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791162U true CN220791162U (en) | 2024-04-16 |
Family
ID=90661695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322761720.7U Active CN220791162U (en) | 2023-10-16 | 2023-10-16 | Clamping and righting device of drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791162U (en) |
-
2023
- 2023-10-16 CN CN202322761720.7U patent/CN220791162U/en active Active
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| GR01 | Patent grant |