CN205223348U - Drilling rod axle connecting device in drilling rod capillary chemistry coating bath of oil field - Google Patents
Drilling rod axle connecting device in drilling rod capillary chemistry coating bath of oil field Download PDFInfo
- Publication number
- CN205223348U CN205223348U CN201521116925.9U CN201521116925U CN205223348U CN 205223348 U CN205223348 U CN 205223348U CN 201521116925 U CN201521116925 U CN 201521116925U CN 205223348 U CN205223348 U CN 205223348U
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- holder
- coating bath
- plug screw
- drill stem
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a can guarantee effectively that the drilling rod surface carries out comprehensive chemical plating and handles, effective protection axle connecting device is not plated the drilling rod axle connecting device in drilling rod capillary chemistry coating bath of oil field of cladding material simultaneously. Including connecting plug screw and holder, to connect the one end of plug screw and outwards stick out to the chock plug, the lateral surface of chock plug is provided with the external screw thread that is used for threaded connection drilling rod tip inboard, and the one end of holder is provided with the centre gripping chamber that is used for the fixed connection plug screw, the other end and the axis of rotation fixed connection of holder.
Description
Technical field
The utility model relates to a kind of drilling rod chemical plating plant, particularly relates to the drilling rod shaft connector in a kind of oilfield drill stem surface chemical plating coating bath.
Background technology
At present, oil, need often to use drilling rod in colliery and geological drilling industry, in order to improve wear resistance and the erosion resistance of drilling rod, need in its processing process to carry out coating process to the extexine of drilling rod, plating process generally includes two steps, drilling rod is placed in coating bath by the first carries out surface chemistry plating, it two carries out 400 DEG C of baking processing for be suspended in large-scale baking oven by drilling rod, wherein, coating bath is respectively arranged with rotation axis at two ends usually, then the two ends of drilling rod are fixing on the rotating shaft respectively by shaft connector, to carry out electroless plating process to the outside surface of drilling rod, but shaft connector of the prior art, usually slip is fixed by the simple clip that adopts, so not only be difficult to carry out comprehensive electroless plating process to the outside surface of drill rod end, simultaneously due to shaft connector and drill rod end hypotelorism, the device that causes being difficult to being connected by shaft carries out conservation treatment, makes it easily be plated chemical plating simultaneously.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding the drilling rod shaft connector in a kind of oilfield drill stem surface chemical plating coating bath of novel texture, make it have more utility value in industry.
Utility model content
For solving the problems of the technologies described above; the purpose of this utility model is to provide one effectively can ensure that drilling rod outside surface carries out comprehensive electroless plating process, and available protecting shaft connector is not by the drilling rod shaft connector plated in the oilfield drill stem surface chemical plating coating bath of coating simultaneously simultaneously.
Drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath of the present utility model, comprise and connect plug screw and holder, one end of described connection plug screw is outwardly chock plug, the outer side of described chock plug is provided with the outside screw for threaded connection drill stem tip inside, one end of described holder is provided with the clamping chamber for being fixedly connected with plug screw, and the other end of described holder is fixedly connected with rotation axis.
Further, described holder is symmetrically arranged with three screws, and in described screw, is provided with the retaining screw that top is pressed in connection plug screw outer side.
Further, spring pinchcock is provided with between described connection plug screw and described holder, described spring pinchcock comprises and to be oppositely arranged and cross section is semicircular left intermediate plate and right clamping piece, described left intermediate plate is connected with one end of right clamping piece and the other end is spaced is set to breach, described spring pinchcock is sleeved on described connection plug screw, described holder is relatively set with pair of bolts hole, in described bolt hole, is provided with the push bolt of the top described left intermediate plate of pressure and right clamping piece respectively.
Further, the thickness of described left intermediate plate and right clamping piece junction is less than the thickness of described left intermediate plate and right clamping piece.
Further, also coupling shaft is provided with between the described holder the other end and rotation axis, be symmetrically arranged with a pair cotter way outside one end of described coupling shaft, described holder to be sleeved on described coupling shaft and to be provided with top and to be pressed in described cotter way and the pin moved to axial with described coupling shaft vertically.
Further, the other end of described coupling shaft vertically runs through and is provided with connecting hole, and described connecting hole internal fixtion has joint bolt.
Further, described connection plug screw is provided with suspension eye.
By such scheme; the utility model at least has the following advantages: owing to being provided with connection plug screw; the end of drilling rod can be exposed in the plating solution completely; ensure that drilling rod outside surface carries out comprehensive electroless plating process; simultaneously holder and drilling rod is distant; by the mode of winding plastic film, can available protecting shaft connector, avoid being coated with coating.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technique means of the present utility model, and can be implemented according to the content of specification sheets, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is side sectional view of the present utility model;
Fig. 2 is the structural representation that the utility model first embodiment connects plug screw place cross section;
Fig. 3 is the structural representation of the utility model second embodiment spring pinchcock place cross section;
Fig. 4 is the side sectional view connecting plug screw in the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See shown in Fig. 1 to Fig. 4, drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath of the present utility model, comprise and connect plug screw 1 and holder 2, the one end connecting plug screw is outwardly chock plug 11, the outer side of chock plug 11 is provided with the outside screw for threaded connection drill stem 5 tip inside, one end of holder 2 is provided with the clamping chamber 21 for being fixedly connected with plug screw, and the other end of holder 2 is fixedly connected with rotation axis 6; In electroless plating treating processes, use plastics film to be wrapped in the outside connecting plug screw 1 and holder 2, the outside surface of drilling rod 5 is exposed completely, while can realizing not affecting electroless plating effect like this, effectively fixes drilling rod; Conveniently by drilling rod 5 suspended fixing on rotation axis 6, also conveniently in subsequent handling, drilling rod suspention is toasted simultaneously, connect on plug screw 1 and be also provided with suspension eye 12, during such electroless plating process, first connection plug screw is arranged on drilling rod, is then lifted in coating bath 7 and can fixedly mounts further.
Embodiment one
Holder 2 is for connecting the fixing of plug screw 1, can by being symmetrical arranged three screws 22 on holder 2, and in screw 22, be provided with top be pressed in the retaining screw 23 connecting plug screw 1 outer side and realize, accordingly, connection plug screw is provided with three grooves for locating retaining screw, but after life-time service, retaining screw 23 is larger for the wearing and tearing connecting plug screw 1.
Embodiment two
In order to improve clamping effect, repeatability is prevented to be fixed process to the damage connecting plug screw 1, connect between plug screw 1 and holder 2 and be provided with spring pinchcock 3, spring pinchcock 3 comprises and to be oppositely arranged and cross section is semicircular left intermediate plate 31 and right clamping piece 32, left intermediate plate 31 is connected with one end of right clamping piece 32, and the other end is spaced is set to breach 33, spring pinchcock 3 is sleeved on and connects on plug screw 1, holder 2 is relatively set with pair of bolts hole 24, the push bolt 25 of the top left intermediate plate 31 of pressure and right clamping piece 32 is respectively provided with in bolt hole 24, in order to ensure clamping effect, the thickness of the junction between left intermediate plate 31 and right clamping piece 32 is less than the thickness of left intermediate plate 31 and right clamping piece 32, when manufacturing spring piece, be normally above-mentioned breach 33 by round steel one side opening, and dig out groove 34 in relative side, the manganese steel that spring pinchcock 3 adopts elasticity higher, by screwing push bolt, making spring pinchcock be adjacent to and clamping connection plug screw 1, and the compacted bolt 25 of spring pinchcock 3 compresses and avoids the rotation between holder 2, after life-time service, only need to change spring pinchcock, use cost is lower.
Expand with heat and contract with cold because drilling rod is heated in the process of carrying out electroless plating, thus while ensureing drilling rod 5 and being connected effect between rotation axis 6, need ensure can produce certain axial displacement between three, thus, coupling shaft 4 is also provided with between holder 2 the other end and rotation axis 6, a pair cotter way 41 is symmetrically arranged with outside one end of coupling shaft 4, holder 2 is sleeved on coupling shaft 4, and be provided with the pin 42 pushing up and be pressed in and also move to axial with coupling shaft 4 vertically in cotter way 41, the other end of coupling shaft 4 is fixed on rotation axis 6, by the slip of pin 42 in cotter way, allow for holder 2 relative displacement in the axial direction, also avoid holder 2 rotating between coupling shaft 6 simultaneously.
In order to effective fixed connection shaft 4 and rotation axis 6, the other end of coupling shaft 4 vertically runs through and is provided with connecting hole, the end of rotation axis 6 is provided with connection chamber, and the both sides of connection chamber are relatively set with the pilot hole corresponding with connecting hole, and connecting hole and pilot hole internal fixtion have joint bolt 61.
The above is only preferred implementation of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. the drilling rod shaft connector in an oilfield drill stem surface chemical plating coating bath, it is characterized in that: comprise and connect plug screw and holder, one end of described connection plug screw is outwardly chock plug, the outer side of described chock plug is provided with the outside screw for threaded connection drill stem tip inside, one end of described holder is provided with the clamping chamber for being fixedly connected with plug screw, and the other end of described holder is fixedly connected with rotation axis.
2. the drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath according to claim 1, is characterized in that: described holder is symmetrically arranged with three screws, and in described screw, be provided with the retaining screw that top is pressed in connection plug screw outer side.
3. the drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath according to claim 1, it is characterized in that: between described connection plug screw and described holder, be provided with spring pinchcock, described spring pinchcock comprises and to be oppositely arranged and cross section is semicircular left intermediate plate and right clamping piece, described left intermediate plate is connected with one end of right clamping piece and the other end is spaced is set to breach, described spring pinchcock is sleeved on described connection plug screw, described holder is relatively set with pair of bolts hole, in described bolt hole, is provided with the push bolt of the top described left intermediate plate of pressure and right clamping piece respectively.
4. the drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath according to claim 3, is characterized in that: the thickness of described left intermediate plate and right clamping piece junction is less than the thickness of described left intermediate plate and right clamping piece.
5. the drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath according to claim 1, it is characterized in that: between the described holder the other end and rotation axis, be also provided with coupling shaft, be symmetrically arranged with a pair cotter way outside one end of described coupling shaft, described holder to be sleeved on described coupling shaft and to be provided with top and to be pressed in described cotter way and the pin moved to axial with described coupling shaft vertically.
6. the drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath according to claim 5, is characterized in that: the other end of described coupling shaft vertically runs through and is provided with connecting hole, and described connecting hole internal fixtion has joint bolt.
7. the drilling rod shaft connector in oilfield drill stem surface chemical plating coating bath according to claim 1, is characterized in that: described connection plug screw is provided with suspension eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116925.9U CN205223348U (en) | 2015-12-28 | 2015-12-28 | Drilling rod axle connecting device in drilling rod capillary chemistry coating bath of oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116925.9U CN205223348U (en) | 2015-12-28 | 2015-12-28 | Drilling rod axle connecting device in drilling rod capillary chemistry coating bath of oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205223348U true CN205223348U (en) | 2016-05-11 |
Family
ID=55898425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521116925.9U Expired - Fee Related CN205223348U (en) | 2015-12-28 | 2015-12-28 | Drilling rod axle connecting device in drilling rod capillary chemistry coating bath of oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205223348U (en) |
-
2015
- 2015-12-28 CN CN201521116925.9U patent/CN205223348U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |