CN201567967U - Pressure blocks for rotary digging drill rod and lock drill rod with pressure blocks - Google Patents
Pressure blocks for rotary digging drill rod and lock drill rod with pressure blocks Download PDFInfo
- Publication number
- CN201567967U CN201567967U CN2009202508361U CN200920250836U CN201567967U CN 201567967 U CN201567967 U CN 201567967U CN 2009202508361 U CN2009202508361 U CN 2009202508361U CN 200920250836 U CN200920250836 U CN 200920250836U CN 201567967 U CN201567967 U CN 201567967U
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- pressure block
- pressure
- drill rod
- drilling rod
- external key
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Abstract
The utility model relates to pressure blocks for a rotary digging drill rod and a lock drill rod with the pressure blocks. The pressure block is provided with a pressure block body, the pressure block body is in an arc-shaped rectangular structure which is matched with an outer circumference surface of a steel tube forming the drill rod, the middle part of the pressure block body is provided with a through hole, and the circumference of the through hole is a fixed connection part formed by welding the pressure block body and the outer circumference surface of the steel tube forming the drill rod. The lock drill rod is provided with a sectioned rod forming the drill rod, three strip-type external keys are fixedly and coaxially distributed on an outer circumference surface of the steel tube of the sectioned rod along the circumference, and a plurality of pressure-bearing and torque transmission external keys which consist of the pressure block are arranged between every two strip-type external keys. The utility model is characterized in that hardness and strength of the pressure-bearing surface in the pressurizing point of the drill rod can be ensured, faults of a pressurizing drill rod are reduced, the service life of the pressurizing drill rod is prolonged; the pressure block belongs to a plate design, which facilitates processing and manufacturing, inventory management and assembly and welding, reducing manufacturing cost; and the practicability of the structure is strong, the appearance is attractive and mechanical property is superior.
Description
Technical field
The utility model relates to a kind of machine locking-type drilling rod, particularly relates to the strong pressure block that is used for rotary drill rod of a kind of compression resistance and has the machine locking-type drilling rod of pressure block.
Background technology
The drilling rod assembly of rotary drilling rig forms (as telescopic antenna) by more piece drilling rod suit, its every joint drilling rod all by seamless steel pipe, be welded on axial elongated external key on the seamless steel pipe external diameter periphery and dress and be welded in internal key formations such as (except the interior poles) on each pole bottom pipe diameter periphery.
As Fig. 1, Fig. 2, shown in Figure 3, prior art constitutes on the outer circumference surface of steel pipe of every joint drilling rod uniform, is provided with 3 strip external keys 6 along pole is axially elongated, and axial restraint is provided with the external key 9/11 of a plurality of transfer torques between per two strip external keys 6.The external key 9/11 of described transfer torque is by being attached on the steel pipe outer circumference surface that constitutes pole with strip external key 6 identical materials are horizontal, and the external key pressure-bearing key bar of bevel and its welding, thereby forms external key pressure-bearing surface 10.The drilling rod that adopts this structure to make, owing to external key pressure-bearing key bar can make its process that is equivalent to anneal through excess temperature rising-constant temperature-cooling along with the input and the scattering and disappearing of postwelding heat of welding heat, so after the hardness that forms on the pressure-bearing surface of pressure-bearing key bar is through welding, can reduce greatly with modifier treatment or Quenching Treatment, even lose fully, in use the pressure-bearing surface serious wear causes drilling rod to damage in advance.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of hardness and the intensity that can guarantee drilling rod pressure point pressure-bearing surface is provided, reduced the fault of pressurization drilling rod widely, prolonged the pressure block that is used for rotary drill rod in its application life and have the machine locking-type drilling rod of pressure block.
The technical scheme that the utility model adopted is: a kind of pressure block that is used for rotary drill rod, include the pressure block body, described pressure block body is the rectangular configuration of the circular shape that matches with the steel pipe outer circumference surface that constitutes drilling rod, and the middle part of described pressure block body has through hole.
The periphery of the described through hole fixedly connected portion that to be the pressure block body weld mutually with the steel pipe outer circumference surface that constitutes drilling rod.
A kind of machine locking-type drilling rod that has pressure block, include the pole that constitutes drilling rod, be uniformly distributed along the circumference on the outer circumference surface of the steel pipe of described pole and axial restraint is provided with 3 elongated strip external keys, axial restraint is provided with a plurality of pressure-bearing and moments of torsion that are made of pressure block and transmits external keys between per two strip external keys.
When described pole was the outermost layer pole of drilling rod, described each pressure-bearing with the structure that moment of torsion transmits external key was: the external key that includes pressure block and the transfer torque that is positioned at the pressure block below and links to each other with this pressure block.
It is end to end that described a plurality of pressure-bearing and moment of torsion transmit external key.
When each internal layer pole that described pole is a drilling rod, described each pressure-bearing with the structure that moment of torsion transmits external key is: include pressure block, external key tailgate and be connected the external key of the transfer torque of pressure block, external key tailgate.
The machine locking-type drilling rod that is used for the bearing structure of rotary drill rod and has pressure block of the present utility model, have following characteristics: (1) guarantees the hardness and the intensity of drilling rod pressure point pressure-bearing surface, has reduced the fault of pressurization drilling rod widely, prolongs its application life; (2) pressure block of the present utility model belongs to the plate design, is convenient to processing and manufacturing, stock control and dress weldering, reduces manufacturing cost; (3) structure is practical, and is handsome in appearance, and mechanical property is superior.
Description of drawings
Fig. 1 is the structural representation of the outermost layer pole of prior art;
Fig. 2 is the structural representation of the internal layer pole of prior art;
Fig. 3 is the A-A sectional drawing that amplify the part of Fig. 2;
Fig. 4 is the structural representation of the utility model pressure block;
Fig. 5 is the B-B sectional drawing of Fig. 4;
Fig. 6 is the structural representation with the utility model pressure-bearing block structured outermost layer pole;
Fig. 7 is the structural representation with the utility model pressure-bearing block structured internal layer pole.
Wherein:
1: pressure block body 2: through hole
3: pole 4: pressure block
5: pressure-bearing and moment of torsion transmit external key 6: the strip external key
7: the external key 8 of transfer torque: external key tailgate
9,11: the external key 10 of transfer torque: external key pressure-bearing surface
12: pressure-bearing surface
The specific embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify the machine locking-type drilling rod that is used for the pressure block of rotary drill rod and has a pressure block of the present utility model and how to realize.
The utility model is that rotary drill rod external key pressure-bearing part (pressure point) is fabricated to overall structure, is pressure block.
As Fig. 4, shown in Figure 5, the pressure block that is used for rotary drill rod of the present utility model, include pressure block body 1, the rectangular configuration of the circular shape that the steel pipe outer circumference surface that described pressure block body 1 is the formation drilling rod matches, the middle part of described pressure block body 1 has through hole 2.This pressure block body 1 carries out integral quenching or only carries out hard surfacing at its pressure-bearing surface 12 and handle.
The periphery of the described through hole 2 fixedly connected portion that to be pressure block body 1 weld mutually with the steel pipe outer circumference surface that constitutes drilling rod.As shown in Figure 4, the periphery of its through hole 2 is used for welding with the drilling rod outer peripheral face, thereby make on the firm outer peripheral face that is connected the drilling rod steel pipe of pressure block body 1, and shown in Fig. 4 be positioned at pressure-bearing surface C, D, the F place does not allow to weld or operation such as gas cutting, there is not welded seam, because pressure-bearing surface is in beyond the heat affected zone of endoporus 2 welded seam, has guaranteed that pressure-bearing surface place hardness is not subjected to the influence of endoporus welding heat input.Guarantee that promptly the hardness after 1 heat treatment of pressure block body does not reduce.
As Fig. 6, shown in Figure 7, the machine locking-type drilling rod that has pressure block of the present utility model, include the pole 3 that constitutes drilling rod, be uniformly distributed along the circumference on the outer circumference surface of the steel pipe of described pole 3 and axial restraint is provided with 3 elongated strip external keys 6, axial restraint is provided with a plurality of pressure-bearing and moments of torsion that are made of pressure block 4 and transmits external keys 5 between per two strip external keys 6.
Wherein, as shown in Figure 6, when outermost layer pole that described pole 3 is drilling rods, described each pressure-bearing with the structure that moment of torsion transmits external key 5 is: the external key 7 that includes pressure block 4 and the transfer torque that is positioned at pressure block 4 belows and links to each other with this pressure block 4.The external key 7 of described transfer torque forms sloping structure, and described a plurality of pressure-bearing and moment of torsion to transmit external key 5 end to end, the tail end of external key 7 that promptly previous pressure-bearing and moment of torsion transmit the transfer torque of external key is connected next pressure-bearing and moment of torsion transmits on the pressure block 4 of external key.
Wherein, as shown in Figure 7, when each internal layer pole that described pole 3 is drilling rods, described each pressure-bearing with the structure that moment of torsion transmits external key 5 is: include pressure block 4, external key tailgate 8 and be connected the external key 7 of the transfer torque of pressure block 4, external key tailgate 8.Each pressure-bearing and moment of torsion transmit between the external key 5 and are formed with certain interval.
Claims (6)
1. pressure block that is used for rotary drill rod, it is characterized in that, include pressure block body (1), described pressure block body (1) is the rectangular configuration of the circular shape that matches with the steel pipe outer circumference surface that constitutes drilling rod, and the middle part of described pressure block body (1) has through hole (2).
2. the pressure block that is used for rotary drill rod according to claim 1 is characterized in that, the periphery of described through hole (2) the fixedly connected portion that to be pressure block body (1) weld mutually with the steel pipe outer circumference surface that constitutes drilling rod.
3. machine locking-type drilling rod that has the described pressure block of claim 1, include the pole (3) that constitutes drilling rod, be uniformly distributed along the circumference on the outer circumference surface of the steel pipe of described pole (3) and axial restraint is provided with elongated 3 strip external keys (6), it is characterized in that axial restraint is provided with a plurality of pressure-bearing and moments of torsion that are made of pressure block (4) and transmits external key (5) between per two strip external keys (6).
4. the machine locking-type drilling rod that has pressure block according to claim 3, it is characterized in that, when described pole (3) was the outermost layer pole of drilling rod, described each pressure-bearing with the structure that moment of torsion transmits external key (5) was: the external key (7) that includes pressure block (4) and the transfer torque that is positioned at pressure block (4) below and links to each other with this pressure block (4).
5. the machine locking-type drilling rod that has pressure block according to claim 4 is characterized in that, it is end to end that described a plurality of pressure-bearings and moment of torsion transmit external key (5).
6. the machine locking-type drilling rod that has pressure block according to claim 3, it is characterized in that, when described pole (3) was each internal layer pole of drilling rod, the structure that described each pressure-bearing and moment of torsion transmit external key (5) was: include pressure block (4), external key tailgate (8) and be connected the external key (7) of the transfer torque of pressure block (4), external key tailgate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202508361U CN201567967U (en) | 2009-11-25 | 2009-11-25 | Pressure blocks for rotary digging drill rod and lock drill rod with pressure blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202508361U CN201567967U (en) | 2009-11-25 | 2009-11-25 | Pressure blocks for rotary digging drill rod and lock drill rod with pressure blocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201567967U true CN201567967U (en) | 2010-09-01 |
Family
ID=42660254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202508361U Expired - Fee Related CN201567967U (en) | 2009-11-25 | 2009-11-25 | Pressure blocks for rotary digging drill rod and lock drill rod with pressure blocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201567967U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900375A (en) * | 2012-09-28 | 2013-01-30 | 三一重工股份有限公司 | Rotary drilling rig and rotary drill rod thereof |
| CN104295247A (en) * | 2014-09-23 | 2015-01-21 | 英联鑫博(天津)机械制造有限公司 | Section connecting structure for drill rod of rotary drilling rig |
| CN108843251A (en) * | 2018-07-26 | 2018-11-20 | 天津鸿翔工程机械有限公司 | A kind of machine locking-type drilling rod |
| CN108868652A (en) * | 2018-07-26 | 2018-11-23 | 天津鸿翔工程机械有限公司 | Machine locking-type drilling rod |
-
2009
- 2009-11-25 CN CN2009202508361U patent/CN201567967U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900375A (en) * | 2012-09-28 | 2013-01-30 | 三一重工股份有限公司 | Rotary drilling rig and rotary drill rod thereof |
| CN102900375B (en) * | 2012-09-28 | 2015-07-08 | 三一重工股份有限公司 | Rotary drilling rig and rotary drill rod thereof |
| CN104295247A (en) * | 2014-09-23 | 2015-01-21 | 英联鑫博(天津)机械制造有限公司 | Section connecting structure for drill rod of rotary drilling rig |
| CN108843251A (en) * | 2018-07-26 | 2018-11-20 | 天津鸿翔工程机械有限公司 | A kind of machine locking-type drilling rod |
| CN108868652A (en) * | 2018-07-26 | 2018-11-23 | 天津鸿翔工程机械有限公司 | Machine locking-type drilling rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20121125 |