CN205387592U - Oil field drilling rod surface plating coating bath - Google Patents
Oil field drilling rod surface plating coating bath Download PDFInfo
- Publication number
- CN205387592U CN205387592U CN201521107482.7U CN201521107482U CN205387592U CN 205387592 U CN205387592 U CN 205387592U CN 201521107482 U CN201521107482 U CN 201521107482U CN 205387592 U CN205387592 U CN 205387592U
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- coating bath
- axle
- rotary shaft
- main rotary
- chemical plating
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Abstract
The utility model relates to a drilling rod surface plating homogeneity and stability can be effectively guaranteed, the oil field drilling rod surface plating coating bath of the reaction temperature that the chemistry plated is effectively stablized. Including coating bath, power device, outer circulating device and heating device, the both ends of coating bath set up main axis of rotation and vice axis of rotation, are fixed with the drilling rod between main axis of rotation and the vice axis of rotation, and power device is connected with main axis of rotation transmission, outer circulating device includes outer circulating water pump, horizontal fluid -discharge tube, honeycomb duct, feed liquor pipe and drain pipe, horizontal fluid -discharge tube parallel arrangement in the coating bath, the one end of honeycomb duct setting in the coating bath, horizontal fluid -discharge tube communicates with each other through feed liquor pipe and outer circulating water pump with the honeycomb duct, the one end setting of drain pipe in the coating bath, the other end outside and circulating water pump communicate with each other, heating device includes steam generator, steam intake pipe and steam outlet duct, and the coating bath is the inside bilayer structure who is provided with the steam heating chamber, be provided with the overflow pipe on the coating bath, the bottom of coating bath is provided with the leakage fluid dram.
Description
Technical field
This utility model relates to a kind of drilling rod chemical plating plant, particularly relates to a kind of oilfield drill stem surface chemical plating coating bath.
Background technology
At present, oil, colliery and geological drilling industry need commonly used to drilling rod, in order to improve wearability and the corrosion resistance of drilling rod, its processing process need the extexine to drilling rod to carry out coating process, plating process generally includes two steps, drilling rod is placed in coating bath and carries out surface chemistry plating by the first, and it two processes for being suspended in large-scale baking oven by drilling rod to carry out 400 DEG C of bakings；Coating bath of the prior art is generally less is only applicable to the parts that processing dimension is less, this coating bath is used to carry out in the process of drilling rod chemical plating, owing to the length of drilling rod is longer up to 8 meters, external surface area is bigger, and plating solution constantly consumes, the stability of effective ingredient in plating solution is made to be difficult to effectively be ensured, especially there is certain concentration difference in the concentration of coating bath two ends plating solution, this homogeneity resulting in product quality and less stable, additionally, plating process needs keep bath temperature all-the-time stable at about 100 DEG C, under the premise not reducing bath concentration, how to maintain its temperature also become a technical barrier.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding the oilfield drill stem surface chemical plating coating bath of a kind of new structure so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide one can be effectively ensured drilling rod surface chemical plating homogeneity and stability, effectively stablizes the oilfield drill stem surface chemical plating coating bath of the reaction temperature of chemical plating.
Oilfield drill stem surface chemical plating coating bath of the present utility model, including coating bath, power set, external circulating device and heater, the two ends of described coating bath are respectively arranged with least one set main rotary shaft and secondary rotation axle, described main rotary shaft and secondary rotation are fixed with drilling rod by shaft connector between axle, and described power set and described main rotary shaft are in transmission connection and for controlling relatively rotating of described main rotary shaft；
Described external circulating device includes outer circulation water pump, horizontal discharging tube, mozzle, feed tube and drain pipe, described horizontal discharging tube is set in parallel in described coating bath, and it is provided with through hole on described horizontal discharging tube, described mozzle is arranged on the one end in described coating bath, and the mouth of pipe of described mozzle is towards the other end in described coating bath, described horizontal discharging tube and mozzle are communicated with described outer circulation water pump by described feed tube, the other end that one end of described drain pipe is arranged in described coating bath relatively described mozzle, the other end of described drain pipe communicates with described outer circulation water pump；
Described heater includes steam raising plant, steam inlet duct and steam outleting pipe, described coating bath is the double-decker being internally provided with steam heating cavity, and the two ends of described steam raising plant communicate with the steam heating cavity in described coating bath respectively through steam inlet duct and steam outleting pipe；
The opposite side of the relatively described mozzle of described coating bath is provided with overflow pipe, and the bottom of described coating bath is provided with leakage fluid dram.
Further, also including cooler bin, trim case and reserving liquid tank that head and the tail are sequentially communicated, described overflow pipe communicates with cooler bin, and described trim case is provided with plating solution trim adding set, and described reserving liquid tank is communicated with described coating bath by liquid-feeding tube.
Further, described liquid-feeding tube is provided with effusion meter.
Further, described coating bath includes end to end multiple coating bath assembly and is fixed on the side plate at the coating bath assembly two ends after being connected with each other, and described main rotary shaft and the secondary axle that rotates are arranged on described side plate.
Further, described main rotary shaft and the secondary axle that rotates are two groups, are connected by gear between described two groups of main rotary shafts, and described power set are reducing motor, and one of them main rotary shaft described is connected with reducing motor transmission by gear.
Further, the volume of described coating bath is 2.2:1～2.3:1 with the ratio of the volume being arranged in coating bath drilling rod.
Further, shaft connector includes connecting plug screw and holder, one end of described connection plug screw is outwardly chock plug, the lateral surface of described chock plug is provided with the external screw thread for threaded connection drill stem tip inside, one end of described holder is provided with the holding chamber for fixing connection plug screw, and the other end of described holder is fixed be connected with main rotary shaft or secondary rotation axle.
Further, it is provided with alligator clamp between described connection plug screw and described holder, described alligator clamp includes being 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 alligator clamp is sleeved on described connection plug screw, described holder is relatively set with pair of bolts hole, is provided with top respectively in described bolt hole and presses the hold-down bolt of described left intermediate plate and right clamping piece.
Further, it is additionally provided with between the described holder other end with described main rotary shaft or secondary rotation axle and is connected axle, it is symmetrically arranged with a pair cotter way outside one end of described connection axle, described holder be sleeved on described connection axle and be provided with top be pressed in described cotter way and vertically with the described pin being connected axle relative movement, the other end of described connection axle is fixed on described main rotary shaft or secondary rotation axle.
Further, the other end of described connection axle extends vertically through and is provided with connecting hole, described main rotary shaft and the secondary end rotating axle are provided with connection chamber, and the both sides connecting chamber are relatively set with in the hole, location corresponding with described connecting hole, described connecting hole and hole, location and are fixed with connecting bolt.
By such scheme, this utility model at least has the advantage that owing to being provided with external circulating device, spiral helicine current can be formed in coating bath, it is effectively ensured the homogeneity of bath concentration, drilling rod surface chemical plating is made to keep higher homogeneity and stability, additionally adopt steam-heated mode, it is possible to effectively stablize the reaction temperature of chemical plating.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model oilfield drill stem surface chemical plating coating bath；
Fig. 2 is the top view of this utility model oilfield drill stem surface chemical plating coating bath；
Fig. 3 is the side sectional view at this utility model middle shaft connecting apparatus place；
Fig. 4 is the side sectional view connecting plug screw in this utility model；
Fig. 5 is the structural representation of alligator clamp place cross section in this utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
Embodiment one
Referring to shown in Fig. 1 to Fig. 2, oilfield drill stem surface chemical plating coating bath of the present utility model, including coating bath 1, power set 2, external circulating device 3 and heater 4, the two ends of coating bath 1 are respectively arranged with least one set main rotary shaft 11 and secondary rotation axle 12, main rotary shaft 11 and secondary rotation are fixed with drilling rod 6 by shaft connector 5 between axle 12, and power set 2 and main rotary shaft 11 are in transmission connection and for controlling relatively rotating of main rotary shaft 11；External circulating device 3 includes outer circulation water pump 31, horizontal discharging tube 32, mozzle 33, feed tube 34 and drain pipe 35, horizontal discharging tube 32 is set in parallel in coating bath 1 and is provided with through hole 321 on horizontal discharging tube 32, mozzle 33 is arranged on the mouth of pipe of the one end in coating bath 1 and mozzle 33 towards the other end in coating bath 1, horizontal discharging tube 32 and mozzle 33 are communicated with outer circulation water pump 31 by feed tube 34, one end of drain pipe 35 is arranged in coating bath 1 other end of opposite flow pipe 33, and the other end of drain pipe 35 communicates with outer circulation water pump 31；Heater 4 includes steam raising plant 41, steam inlet duct 43 and steam outleting pipe 44, coating bath 1 is the double-decker being internally provided with steam heating cavity, and the two ends of steam raising plant 41 communicate with the steam heating cavity in coating bath 1 respectively through steam inlet duct 43 and steam outleting pipe 44；The opposite side of coating bath 1 opposite flow pipe 33 is provided with overflow pipe 13, and the bottom of coating bath is provided with leakage fluid dram 14.
Oilfield drill stem surface chemical plating coating bath of the present utility model, its operation principle is: mainly include three blood circulation, it is plating solution outer circulation respectively, plating solution liquid feeding circulates with going out liquid, and steam heat cycles, wherein, 1) plating solution outer circulation is realized by external circulating device, plating solution in coating bath is continued outer circulation and again imports in coating bath by outer circulation water pump, plating solution is laterally discharged by horizontal discharging tube along vertical coating bath direction, plating solution is discharged by mozzle along coating bath direction, both interact can form spiral helicine current in coating bath, so it is prevented from plating solution local concentration heterogeneity in coating bath, effectively prevent the heterogeneity of drilling rod thickness of coating；2) plating solution liquid feeding is realized by overflow pipe with going out liquid circulation, carry out in the process of chemical plating in coating bath, the continuous loss of effective ingredient in plating solution, thus require over plating solution liquid-adding device and be continuously added into plating solution, total amount in the groove of plating solution is kept by overflow pipe, simultaneously by derivation lasting for part plating solution, thus can maintain the stability of bath concentration in coating bath, the trim of plating solution is added to be needed to realize outside coating bath, directly in coating bath trim to will likely result in local concentration too high and then cause that drilling rod uneven coating is even；3) control of bath temperature in coating bath, realized by the steam heater circulated, steam heats relatively electrically heated mode, and its temperature controlled processes is relatively stable, and the temperature of drilling rod chemical plating controls as close to 100 DEG C, adopt steam-heated mode comparatively applicable, it addition, steam can not be introduced directly in plating solution, the first is in order to prevent dilution plating solution, it two is effect in order to prevent aeration drilling rod chemical plating, and it three is pollute to prevent plating solution to be subject to chemical impurity；After drilling rod plating process terminates, by pulling out the stopper being arranged on leakage fluid dram, can realize discharging plating solution in coating bath.
In order to effectively continue trim and add plating solution, oilfield drill stem surface chemical plating coating bath of the present utility model, also include the cooler bin 7 that head and the tail are sequentially communicated, trim case 8 and reserving liquid tank 9, the plating solution cooling that overflow pipe is discharged by cooler bin 7, then pass through water pump and pump into trim case 8, trim case 8 is provided with plating solution trim adding set, plating solution is added trim, plating solution trim adding set generally includes chemical sensor and Dropping feeder, the mode that manual measurement adds can also be adopted, plating solution is pumped to reserving liquid tank 9 subsequently, reserving liquid tank 9 is communicated with coating bath 1 by liquid-feeding tube 91, additionally, reserving liquid tank communicates with heater, make the bath temperature in reserving liquid tank consistent with the bath temperature in coating bath, avoid bath temperature local in adding procedure uneven；In order to effectively control the speed of liquid feeding, liquid-feeding tube 91 is provided with effusion meter 92.
Owing to the length of drilling rod differs, the longest reach 8 meters, in order to avoid repeating to arrange various sizes of coating bath, coating bath 1 includes end to end multiple coating bath assembly 15 and is fixed on the side plate 16 at the coating bath assembly two ends after being connected with each other, main rotary shaft 11 and the secondary axle 12 that rotates are arranged on side plate 16, when the coating bath of different length is carried out chemical plating, it is possible to the coating bath assembly of varying number is spliced fixing mutually, then at both sides fixed side to assemble various sizes of coating bath.
In order to improve the utilization rate of coating bath, two drilling rods can be carried out chemical plating process simultaneously, now, main rotary shaft 11 and the secondary axle 12 that rotates are two groups, then will be connected by gear between two groups of main rotary shafts 11, and so only need to control a main rotary shaft rotation and can control the rotation in coating bath of two drilling rods, the dynamic Control of main rotary shaft simultaneously, chain can be passed through be connected with reducing motor, it is possible to be connected with reducing motor transmission by gear；It should be noted that, main rotary shaft 11 and pair rotate the quantity of axle 12 and can not infinitely increase, it is only capable of at most arranging two groups, this be due to more drilling rod carry out chemical plating simultaneously time, the control that in plating solution, the concentration of active substance is difficult to, simultaneously it is demonstrated experimentally that the ratio of the volume of coating bath 1 and the volume being arranged in coating bath drilling rod need to control in the scope of 2.2:1～2.3:1, optimum is 2.25:1.
Embodiment two
Referring to shown in Fig. 3 to Fig. 5, owing to needing all to carry out the outer surface of drilling rod chemical plating process, in order to ensure the chemical plating effect of drilling rod, prevent other parts from being processed by chemical plating simultaneously simultaneously, ensure that drilling rod is connected with main rotary shaft and secondary the fixing of axle that rotate simultaneously, shaft connector 5 includes connecting plug screw 51 and holder 52, the one end connecting plug screw 51 is outwardly chock plug 511, the lateral surface of chock plug 511 is provided with the external screw thread for threaded connection drill stem tip inside, one end of holder 52 is provided with the holding chamber for fixing connection plug screw, the other end of holder 52 is fixed be connected with main rotary shaft 11 or secondary rotation axle 12；In chemical plating processing procedure, use plastic sheeting to be wrapped in the outside connecting plug screw and holder, the outer surface of drilling rod is completely exposed；In order to facilitate drilling rod suspention baking in subsequent handling, connect and be additionally provided with suspension eye 512 on plug screw 51, drilling rod lifting conveniently can also be completed further installation by suspension eye to coating bath simultaneously.
nullHolder 52 is for connecting the fixing of plug screw 51，Can pass through on holder, be symmetrical arranged three hold-down bolts to realize，But hold-down bolt is bigger for the abrasion connecting plug screw after life-time service，In order to improve clamping effect，Repeatability is prevented to be fixed the process damage to connecting plug screw，Connect and be provided with alligator clamp 53 between plug screw 51 and holder 52，Alligator clamp 53 includes being oppositely arranged and cross section is semicircular left intermediate plate 531 and right clamping piece 532，Left intermediate plate 531 is connected with one end of right clamping piece 532、And the other end is spaced is set to breach 533，Alligator clamp is sleeved on connection plug screw，Holder 52 is relatively set with pair of bolts hole 521，It is provided with top respectively in bolt hole 521 and presses the hold-down bolt 522 of left intermediate plate and right clamping piece，In order to ensure clamping effect，The thickness of the junction between left intermediate plate 531 and right clamping piece 532 is less than the thickness of left intermediate plate and right clamping piece，When manufacturing spring leaf，Being usually round steel one side opening is above-mentioned breach 533，And dig out groove 534 in relative side；Alligator clamp adopts 65 elastic higher manganese steel, by screwing hold-down bolt, makes alligator clamp 53 be adjacent to and clamps connection plug screw 51, and alligator clamp 53 then compacted bolt 522 compresses and avoids the rotation between holder 52, after life-time service, it is only necessary to changing alligator clamp, use cost is relatively low.
Due to drilling rod expanded by heating deformation in the process carrying out chemical plating, thus while ensureing to be connected effect between drilling rod 6 with main rotary shaft 11 and secondary rotation axle 12, need to ensure can produce between three certain axial displacement, thus, it is additionally provided with between holder 52 other end with main rotary shaft 11 or secondary rotation axle 12 and is connected axle 54, connect and be symmetrically arranged with a pair cotter way 541 outside one end of axle 54, holder 52 is sleeved on connection axle 54, and be provided with top be pressed in cotter way 541 and vertically with the pin 542 being connected axle relative movement, the other end connecting axle 54 is fixed on main rotary shaft 11 or secondary rotation axle 12, by pin slip in cotter way, allow for holder displacement to axial in the axial direction, also assures that stability radially simultaneously.
For effective fixed connection shaft 54 and rotation axle, the other end of connection axle 54 extends vertically through and is provided with connecting hole, main rotary shaft and the secondary end rotating axle are provided with connection chamber, and the both sides connecting chamber are relatively set with in the hole, location corresponding with connecting hole, connecting hole and hole, location and are fixed with connecting bolt 543.
The above is only preferred implementation of the present utility model; it is not limited to this utility model; should be understood that; for those skilled in the art; under the premise without departing from this utility model know-why; can also making some improvement and modification, these improve and modification also should be regarded as protection domain of the present utility model.
Claims (10)
1. an oilfield drill stem surface chemical plating coating bath, it is characterized in that: include coating bath, power set, external circulating device and heater, the two ends of described coating bath are respectively arranged with least one set main rotary shaft and secondary rotation axle, described main rotary shaft and secondary rotation are fixed with drilling rod by shaft connector between axle, and described power set and described main rotary shaft are in transmission connection and for controlling relatively rotating of described main rotary shaft；
Described external circulating device includes outer circulation water pump, horizontal discharging tube, mozzle, feed tube and drain pipe, described horizontal discharging tube is set in parallel in described coating bath, and it is provided with through hole on described horizontal discharging tube, described mozzle is arranged on the one end in described coating bath, and the mouth of pipe of described mozzle is towards the other end in described coating bath, described horizontal discharging tube and mozzle are communicated with described outer circulation water pump by described feed tube, the other end that one end of described drain pipe is arranged in described coating bath relatively described mozzle, the other end of described drain pipe communicates with described outer circulation water pump；
Described heater includes steam raising plant, steam inlet duct and steam outleting pipe, described coating bath is the double-decker being internally provided with steam heating cavity, and the two ends of described steam raising plant communicate with the steam heating cavity in described coating bath respectively through steam inlet duct and steam outleting pipe；
The opposite side of the relatively described mozzle of described coating bath is provided with overflow pipe, and the bottom of described coating bath is provided with leakage fluid dram.
2. oilfield drill stem surface chemical plating coating bath according to claim 1, it is characterized in that: also include cooler bin, trim case and reserving liquid tank that head and the tail are sequentially communicated, described overflow pipe communicates with cooler bin, being provided with plating solution trim adding set on described trim case, described reserving liquid tank is communicated with described coating bath by liquid-feeding tube.
3. oilfield drill stem surface chemical plating coating bath according to claim 2, it is characterised in that: described liquid-feeding tube is provided with effusion meter.
4. oilfield drill stem surface chemical plating coating bath according to claim 1, it is characterized in that: described coating bath includes end to end multiple coating bath assembly and is fixed on the side plate at the coating bath assembly two ends after being connected with each other, described main rotary shaft and the secondary axle that rotates are arranged on described side plate.
5. oilfield drill stem surface chemical plating coating bath according to claim 1, it is characterised in that: described main rotary shaft and the secondary axle that rotates are provided with two groups, are connected by gear between two groups of main rotary shafts, institute
Stating power set is reducing motor, and one of them main rotary shaft is connected with reducing motor transmission by gear.
6. oilfield drill stem surface chemical plating coating bath according to claim 1, it is characterised in that: the ratio of the volume of described coating bath and the volume being arranged in coating bath drilling rod is 2.2:1～2.3:1.
7. the oilfield drill stem surface chemical plating coating bath according to any one of claim 1 to 6, it is characterized in that: shaft connector includes connecting plug screw and holder, one end of described connection plug screw is outwardly chock plug, the lateral surface of described chock plug is provided with the external screw thread for threaded connection drill stem tip inside, one end of described holder is provided with the holding chamber for fixing connection plug screw, and the other end of described holder is fixed be connected with main rotary shaft or secondary rotation axle.
8. oilfield drill stem surface chemical plating coating bath according to claim 7, it is characterized in that: between described connection plug screw and described holder, be provided with alligator clamp, described alligator clamp includes being 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 alligator clamp is sleeved on described connection plug screw, described holder is relatively set with pair of bolts hole, is provided with top respectively in described bolt hole and presses the hold-down bolt of described left intermediate plate and right clamping piece.
9. oilfield drill stem surface chemical plating coating bath according to claim 7, it is characterized in that: be additionally provided with between the described holder other end with described main rotary shaft or secondary rotation axle and be connected axle, it is symmetrically arranged with a pair cotter way outside one end of described connection axle, described holder be sleeved on described connection axle and be provided with top be pressed in described cotter way and vertically with the described pin being connected axle relative movement, the other end of described connection axle is fixed on described main rotary shaft or secondary rotation axle.
10. oilfield drill stem surface chemical plating coating bath according to claim 9, it is characterized in that: the other end of described connection axle extends vertically through and is provided with connecting hole, described main rotary shaft and the secondary end rotating axle are provided with connection chamber, and the both sides connecting chamber are relatively set with in the hole, location corresponding with described connecting hole, described connecting hole and hole, location and are fixed with connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107482.7U CN205387592U (en) | 2015-12-28 | 2015-12-28 | Oil field drilling rod surface plating coating bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107482.7U CN205387592U (en) | 2015-12-28 | 2015-12-28 | Oil field drilling rod surface plating coating bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205387592U true CN205387592U (en) | 2016-07-20 |
Family
ID=56381212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521107482.7U Expired - Fee Related CN205387592U (en) | 2015-12-28 | 2015-12-28 | Oil field drilling rod surface plating coating bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205387592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420698A (en) * | 2015-12-28 | 2016-03-23 | 常州市江东特种抗磨复合材料研究所有限公司 | Chemical plating bath for surface of drilling rod of oilfield |
| CN110468393A (en) * | 2019-08-26 | 2019-11-19 | 惠州市安泰普表面处理科技有限公司 | Chemical nickel plating system |
-
2015
- 2015-12-28 CN CN201521107482.7U patent/CN205387592U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420698A (en) * | 2015-12-28 | 2016-03-23 | 常州市江东特种抗磨复合材料研究所有限公司 | Chemical plating bath for surface of drilling rod of oilfield |
| CN110468393A (en) * | 2019-08-26 | 2019-11-19 | 惠州市安泰普表面处理科技有限公司 | Chemical nickel plating system |
| CN110468393B (en) * | 2019-08-26 | 2021-09-14 | 惠州市安泰普表面处理科技有限公司 | Chemical nickel plating system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20161228 |