CN204627436U - For the non-return drilling rod of geological drilling - Google Patents
For the non-return drilling rod of geological drilling Download PDFInfo
- Publication number
- CN204627436U CN204627436U CN201520074738.2U CN201520074738U CN204627436U CN 204627436 U CN204627436 U CN 204627436U CN 201520074738 U CN201520074738 U CN 201520074738U CN 204627436 U CN204627436 U CN 204627436U
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- limbers
- guide ring
- return
- fixed dam
- 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
Landscapes
- Earth Drilling (AREA)
Abstract
A kind of non-return drilling rod for geological drilling, include for holing and there is the drilling rod body of limbers, to be arranged in the limbers of drilling rod body and there is the one way valve of fixed dam (2) and guide ring (4), limbers between fixed dam (2) and guide ring (4) is set to be dislocatedly distributed, when holing, cooling water acts on the head of drilling rod body by one way valve along the limbers of drilling rod body, when visiting water when holing, the water of ejection carries out non-return by one way valve, prevent the water visited from gushing along the limbers of drilling rod body, no longer overcoming spherosome weight makes cooling water circulate, pressure is entered because of what this reduce cooling water, improve the cooling effect to drilling rod body.
Description
Technical field
The utility model relates to a kind of non-return drilling rod, especially a kind of non-return drilling rod for geological drilling.
Background technology
Drilling rod is as the device of pore-forming, be widely used in fields such as geological drillings, therefore the non-return drilling rod for geological drilling is a kind of important mining equiment, existing in the non-return drilling rod of geological drilling, have that a kind of the anti-backwater drilling rod of the built-in steel-ball type of drilling rod is the prior art feature for down-hole non-return in order to prevent the non-return drilling rod of the ejection of back-pressure in water hole, but in use, in coal seam or rockhole leting speeper process, the anti-backwater drilling rod of use is built-in steel-ball type; This drilling rod is when drilling elevation angle deep hole, due to steel ball deadweight, to in hole during water filling, hydraulic pressure must overcome steel ball gravity in every root drilling rod, cause partial pressure loss on steel ball, if back down steel ball, need larger water injection pressure, cooling water possibly cannot cool drill bit on time simultaneously, easily cause bit wear fast, use the lost of life of non-return drilling rod.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of non-return drilling rod for geological drilling, enters pressure, improve the cooling effect to drilling rod body because of what this reduce cooling water.
For achieving the above object, the technical scheme that the utility model is taked is: include for hole and the drilling rod body with limbers, be arranged on drilling rod body limbers in and there is the one way valve of fixed dam and guide ring, the limbers between fixed dam and guide ring is set to be dislocatedly distributed.
Owing to devising drilling rod body and one way valve, when holing, cooling water acts on the head of drilling rod body by one way valve along the limbers of drilling rod body, when visiting water when holing, the water of ejection carries out non-return by one way valve, prevents the water visited from gushing along the limbers of drilling rod body, no longer overcomes spherosome weight and cooling water is circulated, enter pressure because of what this reduce cooling water, improve the cooling effect to drilling rod body.
The utility model devises, and the water flow according to the limbers making cooling water along drilling rod body, spy arrived connects one way valve along the mode of the limbers non-return of drilling rod body with drilling rod body.
The utility model devises, and drilling rod body is set to include and connects front body, body and connection tail head body, and one way valve is set to include fixed dam, non-return baffle plate, guide ring and sliding bar,
Head body is placed through body with being connected in tail head body to be provided with through hole and to connect front body and being connected tail head body and being communicated with in the pre-connection, fixed dam is provided with in the through hole of head body in the pre-connection, non-return baffle plate, guide ring with sliding bar and guide ring be set to connect with the sidewall of the through hole being connected front body, stage portion is provided with and fixed dam is set to connect with the stage portion contact of the through hole being connected front body in the through hole of head body in the pre-connection, non-return baffle plate is arranged between fixed dam and guide ring and non-return baffle plate is placed through sliding bar connects with guide ring slidingtype, fixed dam is provided with limbers and non-return baffle plate is set to connect with the limbers of fixed dam is sealed, guide ring is provided with sliding eye and the periphery of the sliding eye of guide ring is provided with limbers, sliding bar is arranged in the sliding eye of guide ring and non-return baffle plate is set to be dislocatedly distributed with the limbers of guide ring.
The utility model devises, be provided with taper connection cavity in head body in the pre-connection and the taper connection cavity wall of head body is in the pre-connection provided with threaded body, the end face portion connecting tail head body is set to bullet and connects on the lateral surface of the bullet of tail head body be provided with threaded body.
The utility model devises, between fixed dam and non-return baffle plate, be provided with sealing ring.
The utility model devises, and the limbers of fixed dam is arranged on the centre of fixed dam, and the sliding eye of guide ring is arranged on the centre of guide ring and the limbers of guide ring is set to two.
Technique effect of the present utility model is: comprise fixed dam, non-return baffle plate, guide ring, body.Set gradually from left to right and form outer flat core bar.Above-mentioned non-return baffle plate is for reducing pressure loss, and material selects the processing of 5A02 aluminum round rod, has lightweight, decay resistance high, and be applicable to underground work environment, the relative density of aluminium is 2.7g/cm3.The connected mode of above-mentioned female joint and male joint is for being threaded or plug-in type.Above-mentioned female joint and the friction welding of male joint difference are at the two ends of body.Above-mentioned female joint, body, male joint outside dimension are identical.Drilling rod has that structure is simple, lightweight, good sealing effect, non-return baffle plate flexibly, be easy to the features such as the manufacturing.No matter being bore vertical angle deep hole or horizontal angle deep hole, only needing less pressure to make water enter in drilling rod hole, is drill bit cooling quickly and accurately.In addition, sideboard aluminium shaped material, light specific gravity, reduces pressure loss, and not easily gets rusty; Check plate and guide ring contact surface are through Precision Machining, and precision is high, good sealing effect.
In the technical program, cooling water is flowed along the limbers of drilling rod body, make spy to water be important technical characteristic along the drilling rod body of the limbers non-return of drilling rod body and one way valve, in the technical field of the non-return drilling rod for geological drilling, have novelty, creativeness and practicality, the term in the technical program is all to make an explanation with patent document in the art and to understand.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is an embodiment of the present utility model, illustrates the present embodiment by reference to the accompanying drawings, includes and connects front body 1, fixed dam 2, non-return baffle plate 3, guide ring 4, body 5, connects tail head body 6 and sliding bar 7,
Head body 1 is placed through body 5 with being connected in tail head body 6 to be provided with through hole and to connect front body 1 and being connected tail head body 6 and being communicated with in the pre-connection, fixed dam 2 is provided with in the through hole of head body 1 in the pre-connection, non-return baffle plate 3, guide ring 4 with sliding bar 7 and guide ring 4 be set to connect with the sidewall of the through hole being connected front body 1, stage portion is provided with and fixed dam 2 is set to connect with the stage portion contact of the through hole being connected front body 1 in the through hole of head body 1 in the pre-connection, non-return baffle plate 3 is arranged between fixed dam 2 and guide ring 4 and non-return baffle plate 3 is placed through sliding bar 7 connects with guide ring 4 slidingtype, fixed dam 2 is provided with limbers and non-return baffle plate 3 is set to connect with the limbers of fixed dam 2 is sealed, guide ring 4 is provided with sliding eye and the periphery of the sliding eye of guide ring 4 is provided with limbers, sliding bar 7 is arranged in the sliding eye of guide ring 4 and non-return baffle plate 3 is set to be dislocatedly distributed with the limbers of guide ring 4.
In the present embodiment, the limbers between fixed dam 2 and guide ring 4 is set to be dislocatedly distributed.
In the present embodiment, be provided with taper connection cavity in head body 1 in the pre-connection and the taper connection cavity wall of head body 1 is in the pre-connection provided with threaded body, the end face portion connecting tail head body 6 is set to bullet and connects on the lateral surface of the bullet of tail head body 6 be provided with threaded body.
In the present embodiment, between fixed dam 2 and non-return baffle plate 3, sealing ring is provided with.
In the present embodiment, the limbers of fixed dam 2 is arranged on the centre of fixed dam 2, and the sliding eye of guide ring 4 is arranged on the centre of guide ring 4 and the limbers of guide ring 4 is set to two.
When using non-return drilling rod to hole, adjacent connection front body 1 with is connected tail head body 6 and is interconnected successively, cooling water, from connecting injection front body 1, enters into boring bar head by the limbers of fixed dam 2 and the limbers of guide ring 4 and cools; When using non-return drilling rod to carry out boring spy to water, the water of ejection passes through the limbers reaction of guide ring 4 on non-return baffle plate 3, non-return baffle plate 3 is sealed with the limbers of fixed dam 2, prevents the water visited from gushing.
The utility model has lower feature:
1, owing to devising drilling rod body and one way valve, when holing, cooling water acts on the head of drilling rod body by one way valve along the limbers of drilling rod body, when visiting water when holing, the water of ejection carries out non-return by one way valve, prevents the water visited from gushing along the limbers of drilling rod body, no longer overcomes spherosome weight and cooling water is circulated, enter pressure because of what this reduce cooling water, improve the cooling effect to drilling rod body.
2, owing to connecting front body 1 and being connected tail head body 6, improve the bonding strength of drilling rod body.
3, owing to devising fixed dam 2, non-return baffle plate 3, guide ring 4 and sliding bar 7, by being dislocatedly distributed between the limbers between fixed dam 2 and guide ring 4, what reduce cooling water enters pressure.
4, owing to devising fixed dam 2, non-return baffle plate 3, guide ring 4 and sliding bar 7, ensure that the motion of non-return baffle plate 3 is flexible, improve fixed dam 2, non-return baffle plate 3 and guide ring 4 positional precision relation.
5, owing to devising technical characteristic of the present utility model, in the effect of the set separately and each other of technical characteristic, by test show, property indices of the present utility model be existing property indices be at least 1.7 times, by assessment there is good market value.
Also have other flow with the limbers making cooling water along drilling rod body, make spy to the technical characteristic that connects along drilling rod body and the one way valve of the limbers non-return of drilling rod body of water be all one of embodiment of the present utility model; therefore in the non-return drill pipe art of geological drilling, every include for hole and have limbers drilling rod body, be arranged on the technology contents of the one way valve in the limbers of drilling rod body all in protection domain of the present utility model.
Claims (6)
1. the non-return drilling rod for geological drilling; It is characterized in that: include for hole and the drilling rod body with limbers, be arranged on drilling rod body limbers in and there is the one way valve of fixed dam (2) and guide ring (4), the limbers between fixed dam (2) and guide ring (4) is set to be dislocatedly distributed.
2. the non-return drilling rod for geological drilling according to claim 1; It is characterized in that: the water flow according to the limbers making cooling water along drilling rod body, spy arrived connects one way valve along the mode of the limbers non-return of drilling rod body with drilling rod body.
3. the non-return drilling rod for geological drilling according to claim 1; it is characterized in that: drilling rod body is set to include and connects front body (1), body (5) be connected tail head body (6), one way valve is set to include fixed dam (2), non-return baffle plate (3), guide ring (4) and sliding bar (7), head body (1) is placed through body (5) with being connected in tail head body (6) to be provided with through hole and to connect front body (1) and being connected tail head body (6) and being communicated with in the pre-connection, fixed dam (2) is provided with in the through hole of head body (1) in the pre-connection, non-return baffle plate (3), guide ring (4) with sliding bar (7) and guide ring (4) be set to connect with the sidewall of the through hole being connected front body (1), stage portion is provided with and fixed dam (2) is set to connect with the stage portion contact of the through hole being connected front body (1) in the through hole of head body (1) in the pre-connection, non-return baffle plate (3) is arranged between fixed dam (2) and guide ring (4) and non-return baffle plate (3) is placed through sliding bar (7) connects with guide ring (4) slidingtype, fixed dam (2) is provided with limbers and non-return baffle plate (3) is set to connect with the limbers of fixed dam (2) is sealed, guide ring (4) is provided with sliding eye and the periphery of the sliding eye of guide ring (4) is provided with limbers, sliding bar (7) is arranged in the sliding eye of guide ring (4) and non-return baffle plate (3) is set to be dislocatedly distributed with the limbers of guide ring (4).
4. the non-return drilling rod for geological drilling according to claim 3; It is characterized in that: be provided with taper connection cavity in head body (1) in the pre-connection and the taper connection cavity wall of head body (1) is in the pre-connection provided with threaded body, the end face portion connecting tail head body (6) is set to bullet and connects on the lateral surface of the bullet of tail head body (6) be provided with threaded body.
5. the non-return drilling rod for geological drilling according to claim 3; It is characterized in that: between fixed dam (2) and non-return baffle plate (3), be provided with sealing ring.
6. the non-return drilling rod for geological drilling according to claim 3; It is characterized in that: the limbers of fixed dam (2) is arranged on the centre of fixed dam (2), the sliding eye of guide ring (4) is arranged on the centre of guide ring (4) and the limbers of guide ring (4) is set to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074738.2U CN204627436U (en) | 2015-02-03 | 2015-02-03 | For the non-return drilling rod of geological drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074738.2U CN204627436U (en) | 2015-02-03 | 2015-02-03 | For the non-return drilling rod of geological drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627436U true CN204627436U (en) | 2015-09-09 |
Family
ID=54046476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520074738.2U Active CN204627436U (en) | 2015-02-03 | 2015-02-03 | For the non-return drilling rod of geological drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298409A (en) * | 2015-11-16 | 2016-02-03 | 太原理工大学 | Drill rod quick connector |
-
2015
- 2015-02-03 CN CN201520074738.2U patent/CN204627436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298409A (en) * | 2015-11-16 | 2016-02-03 | 太原理工大学 | Drill rod quick connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10669780B2 (en) | Whipstocking drill for ultra-short-radius well | |
| CN104153734A (en) | Hydraulic pressure type coring tool | |
| CN204627436U (en) | For the non-return drilling rod of geological drilling | |
| CN203476271U (en) | Ground hydraulic drilling jar for deep well and extra-deep well | |
| ZA202305408B (en) | Continuous sampling drill bit | |
| CN204311998U (en) | One is surged pressurized coring tool | |
| CN208587155U (en) | A kind of drilling tool conveying storage type logger hanger | |
| CN107989575A (en) | Rotary check valve | |
| CN209780814U (en) | Semi-closed pipe coring equipment for water guide crack belt exploration drilling | |
| CN104343398A (en) | Polygonal pyramid quick-plugging sealed auger stem | |
| CN204311999U (en) | A kind of rock core sealing device being applied to the pressurized coring tool that surges | |
| CN205370461U (en) | Device for connecting be used for preventer pressure testing instrument | |
| CN202745720U (en) | Geological drill pipe | |
| CN204571907U (en) | Based on the spy water device of back-pressure blowout prevention | |
| CN206174887U (en) | Drillable eccentric ball face guide shoe | |
| CN203796210U (en) | Wellhead sealing device for communication | |
| US10487916B1 (en) | Sealed greasable swivel connector | |
| CN107120266A (en) | A kind of reciprocating piston pump bar | |
| US9464485B2 (en) | Drill bit with fixed cutter elements | |
| CN203463047U (en) | Clamping device for coal mine | |
| CN203066883U (en) | Air pipe suspension type gas lift reverse circulation drilling rod | |
| CN204754799U (en) | Gravity type precipitation well becomes well drill bit in tunnel | |
| CN210948525U (en) | Geological drill rod coupling | |
| CN215256084U (en) | Large-drift-diameter grooving directional drill rod | |
| CN104453737A (en) | Drill rod joint device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |