CN204591181U - A kind of oil drilling floating chuck - Google Patents
A kind of oil drilling floating chuck Download PDFInfo
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- CN204591181U CN204591181U CN201520227329.1U CN201520227329U CN204591181U CN 204591181 U CN204591181 U CN 204591181U CN 201520227329 U CN201520227329 U CN 201520227329U CN 204591181 U CN204591181 U CN 204591181U
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- chuck
- guide peg
- main shaft
- hole
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Abstract
The utility model relates to petroleum and natural gas drilling technique field, especially a kind of oil drilling floating chuck, and it comprises: column, and described column and top are driven back-up tong and be connected, and described column is processed with column upper head plate and column lower end plate; Guide peg assembly, described guide peg assembly is fixedly connected with described column; Chuck assembly, described chuck assembly is flexibly connected with described guide peg assembly.The new in structure that the utility model adopts is simple, easy to operate.
Description
Technical field
The utility model relates to petroleum and natural gas drilling technique field, be specifically related to a kind of can the oil drilling floating chuck of available protecting screw thread and tool joint.
Background technology
The top-drive device that current petroleum and natural gas drilling technique field uses, on drilling rod or drill string button and shackle time, clamping mode mostly is V-type to folder; To folder two side cylinder cavity by pipeline parallel way, make the clamping of action simultaneously, a feed line, an oil return pipeline, hydraulic line is more, hydraulic control relative complex.
There is following defect in prior art:
1, hydraulic line is more, hydraulic control relative complex;
2, the structure of clip, when clamping pipe, easy center is cheap, thus grabs unstable pipe thus hinder upper button and shackle.
Utility model content
The purpose of this utility model to be to overcome in prior art existing above-mentioned deficiency, provide a kind of can the oil drilling floating chuck of available protecting screw thread and tool joint.
In order to realize above-mentioned utility model object, the utility model provides following technical scheme:
A kind of oil drilling floating chuck, is characterized in that, comprising:
Column, described column and top are driven back-up tong and are connected, and described column is processed with column upper head plate and column lower end plate, described column and top are driven back-up tong and be fixedly connected with, and are the working foundations of whole floating chuck;
Guide peg assembly, described guide peg assembly is fixedly connected with described column;
Chuck assembly, described chuck assembly is flexibly connected with described guide peg assembly.
As preferred version of the present utility model, described guide peg assembly comprises guide peg, floating spring and butterfly spring, described guide peg is fixedly connected with described column, be flexibly connected with described chuck assembly in the middle part of described guide peg, the upper end of described guide peg is fixedly connected with described column upper head plate, the lower end of described guide peg is fixedly connected with described column lower end plate, described guide peg quantity is more than or equal to 2, described floating spring is socketed in described guide peg upper end, and the upper end of described floating spring abuts with described column upper head plate, the lower end of described floating spring abuts with described chuck assembly, described butterfly spring is socketed in described guide peg lower end, and the upper end of described butterfly spring abuts with described chuck assembly, the lower end of described butterfly spring abuts with described column lower end plate, described floating spring is identical with the quantity of described guide peg with the quantity of described butterfly spring, described floating spring and described butterfly spring are used for compensating the displacement of chuck assembly in the course of the work.
As preferred version of the present utility model, described chuck assembly comprises chuck cylinder sleeve, chuck main shaft, return facilities, fairlead and cutting ferrule, described chuck cylinder sleeve is flexibly connected with described guide peg, link position is in the middle part of described guide peg, between described floating spring and described butterfly spring, described chuck main shaft is fixedly connected with described chuck cylinder sleeve, described cutting ferrule is socketed on described chuck main shaft, described fairlead is fixedly connected with by screw with described chuck main shaft, and described return facilities is fixedly connected with described cutting ferrule.
As preferred version of the present utility model, described chuck cylinder sleeve comprises chuck cylinder body, chuck cylinder seat, plunger bearing pin, plunger pin axle sleeve and rubber fairlead, described chuck cylinder body and described chuck cylinder seat are fixed by screw and are connected, the contact surface of described chuck cylinder body and described chuck cylinder seat offers seal groove, be filled with encapsulant in seal groove to seal, described chuck cylinder body center offers the hole coaxial with described chuck main shaft, described chuck cylinder body offers plunger pin axis hole, described plunger pin axis hole quantity is more than or equal to 2, described plunger pin axis hole center is all identical to the distance at described chuck cylinder body center, described plunger bearing pin is fixedly mounted in described plunger pin axis hole, described plunger pin axle sleeve to be arranged in described plunger pin axis hole and to be socketed in first end of described plunger bearing pin, the contact surface of described plunger pin axle sleeve and described plunger bearing pin offers seal groove, be filled with encapsulant in seal groove to seal, the bottom of described plunger bearing pin abuts with described chuck cylinder seat, the quantity of described plunger bearing pin is identical with the quantity of described plunger pin axis hole, described rubber fairlead and described chuck cylinder cover for seat connect, and be fixedly connected with described chuck cylinder seat, described rubber fairlead is used for rigid collision when preventing pipe from entering in described main shaft.
As preferred version of the present utility model, described plunger pin axis hole the first half is trapezoidal hole, be processed with screw thread, match with plunger pin axle sleeve, described plunger pin axle sleeve is arranged on trapezoidal position, the bottom of described chuck cylinder body is processed with the first annulus and the second annulus, described first annulus is through the latter half of described plunger pin axis hole, and described first annulus and described second annulus through, described first annulus forms a cannelure in the bottom of described chuck cylinder body, for storage liquid force feed, the center line of described first annulus and described second annulus overlaps with the center line of described chuck main shaft, the diameter that the difference of the internal-and external diameter of described second annulus is greater than described plunger pin axis hole is less than the difference of the internal-and external diameter of described first annulus, described chuck cylinder body offers hydraulic pressure oil duct to be communicated with described second annulus, hydraulic oil enters described first annulus by described hydraulic pressure oil duct and described second annulus carries out jacking to described plunger bearing pin.
As preferred version of the present utility model, described chuck main shaft comprises main shaft, back-moving spring and fixture block body, described main shaft is hollow shaft, described back-moving spring is fastened on the inwall of described fixture block body, and the quantity of described back-moving spring is more than or equal to 1, described fixture block body is fastened on described main shaft, the contact internal walls of described back-moving spring and described main shaft, described main shaft inwall offers the draw-in groove mated with described back-moving spring, described main shaft is fixedly connected with chuck cylinder seat with described chuck cylinder body by screw, oppress back-moving spring after described fixture block body pressurized to shrink simultaneously, when described fixture block body not pressurized time described back-moving spring utilize the elasticity of self to be popped into position by described fixture block body.
As preferred version of the present utility model, described return facilities comprises retracting spring, little guide peg and chuck housing, described retracting spring is sleeved on described little guide peg, the upper end of described little guide peg is flexibly connected with described fairlead, the lower end of described little guide peg is processed into threaded rod and is fixedly connected with described cutting ferrule, and described chuck housing and described cutting ferrule are fixed by screw and are connected.
As preferred version of the present utility model, described fairlead comprises guiding cylinder body, rubber fixed wheel and top cover, described fairlead is socketed in described cutting ferrule top, described fairlead top interior is processed with round boss, described boss is fixedly connected with described main shaft, described boss is processed with through hole, described boss external diameter is greater than described spindle bore, described through-hole aperture is less than described spindle bore and the center line of described through hole and described main shaft overlaps, described top cover is fixedly connected with described guiding cylinder body, spill is processed at the top of described guiding cylinder body, described rubber fixed wheel is fixed between described top cover and described guiding cylinder body, and described rubber fixed wheel is positioned at the spill that described guiding cylinder body top is processed into, described rubber fixed wheel is used for preventing from being clamped the rigid impact of pipe to described main shaft, described guiding cylinder base is processed with pilot hole, described pilot hole is shoulder hole and aperture, top is less than aperture, bottom, aperture, top and the described little guide peg of described pilot hole match, described little guide peg is through described pilot hole, aperture, bottom and the described retracting spring of described pilot hole match, described retracting spring is arranged in described pilot hole and abuts with described guiding cylinder body.
As preferred version of the present utility model, described cutting ferrule is socketed on described chuck main shaft, guide peg installing hole and counterbore is offered bottom described cutting ferrule, described guide peg installing hole is shoulder hole, aperture, described guide peg installing hole top is larger, for installing described guide spring, described guide spring abuts with described cutting ferrule, aperture, described guide peg installing hole bottom is less and be processed as screwed hole, for installing described little guide peg, described counterbore and described plunger bearing pin match, and described plunger bearing pin is abutted with described cutting ferrule by described counterbore.
The utility model oil drilling floating chuck course of work is as follows:
When upper button or shackle, pipe joint enters in chuck main shaft by described rubber fairlead, described rubber fairlead uses rubber to make, entering in process at pipe can available protecting pipe joint, hydraulic oil enters described hydraulic pressure oil duct under pressure and to promote described plunger bearing pin up, up under being fastened in the guide effect of described fairlead and described chuck main shaft described in the up promotion of described plunger bearing pin, describedly be fastened in the conical surface being promoted described fixture block body in up process by the conical surface, the described fixture block body be fastened on described main shaft is tightened up, described back-moving spring tightens up under the pressure effect of described fixture block body simultaneously, and described retracting spring is compressed by described cutting ferrule, thus reach the clamping of chuck to drilling rod, in upper button process, when screwing between pipe joint and top drive joint screw thread because screw thread screws generation displacement, described chuck assembly moves, described chuck cylinder sleeve extrudes described floating spring under the effect of described guide peg, make described chuck assembly under the pressure of described floating spring steadily on move, after completing button or shackle, after hydraulic oil pressure release, it is descending that described retracting spring promotes described cutting ferrule when resetting, described cutting ferrule promotes described plunger bearing pin and resets, described back-moving spring utilizes reseting elasticity that described fixture block body is set back on described chuck main shaft, described floating spring promotes described chuck cylinder sleeve while resetting and resets under the guide effect of described guide peg.
Compared with prior art, the beneficial effects of the utility model:
The utility model have employed chuck assembly, described floating chuck is made only to need a set of hydraulic line just can control, make the situation that centre-of gravity shift can not be occurred by the pipe uniform force clamped simultaneously, thus reduce the incidence of accident, the new in structure that the utility model adopts is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is the utility model floating chuck elevation;
Fig. 2 is the utility model floating chuck stereogram;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the utility model chuck main shaft stereogram;
Fig. 5 is the utility model chuck main shaft explosive view;
Fig. 6 is the utility model chuck cylinder body stereogram.
Mark in figure: 1-column, 11-column upper head plate, 12-column lower end plate, 2-guide peg assembly, 21-guide peg, 22-floating spring, 23-butterfly spring, 3-chuck assembly, 31-chuck cylinder sleeve, 311-chuck cylinder body, 3111-plunger pin axis hole, 3112-first annulus, 3113-second annulus, 3114-hydraulic pressure oil duct, 312-plunger bearing pin, 313-plunger pin axle sleeve, 314-chuck cylinder seat, 315-rubber fairlead, 32-chuck main shaft, 321-back-moving spring, 322-fixture block body, 323-main shaft, 33-return facilities, 331-retracting spring, the little guide peg of 332-, 333-chuck housing, 34-fairlead, 341-leads cylinder body, 3411-pilot hole, 3412-boss, 3413-through hole, 342-top cover, 343-rubber fixed wheel, 35-cutting ferrule, 351-guide peg installing hole, 352-counterbore.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following embodiment, all technology realized based on the utility model content all belong to scope of the present utility model.
As shown in Figure 2, Figure 3, Figure 4, the oil drilling floating chuck of the present embodiment, it comprises column 1, guide peg assembly 2 and chuck assembly 3, column 1 is processed with column upper head plate 11 and column lower end plate 12, guide peg assembly is fixedly connected with column 1, chuck assembly 3 is flexibly connected with guide peg assembly, and in the present embodiment, guide peg assembly quantity is 2.
As Fig. 2, shown in Fig. 3 and Fig. 6, guide peg assembly 2 comprises guide peg 21, floating spring 22 and butterfly spring 23, the upper end of guide peg 21 is fixedly connected with column upper head plate 11, the lower end of guide peg 21 is fixedly connected with column lower end plate 12, the middle part of guide peg 21 is flexibly connected with chuck assembly 3, guide peg 21, the number of floating spring 22 and butterfly spring 23 be 2, the upper end of floating spring 22 abuts with the bottom of column upper head plate 11, the lower end of floating spring 22 abuts with chuck assembly 3, the upper end of butterfly spring 23 abuts with chuck assembly 3, the lower end of butterfly spring 23 abuts with the top of column lower end plate 12, chuck assembly 3 comprises chuck cylinder sleeve 31, chuck main shaft 32, return facilities 33, fairlead 34 and cutting ferrule 35, chuck cylinder sleeve 31 is flexibly connected with guide peg 21, link position is in the middle part of guide peg 21, between floating spring 22 and butterfly spring 23, chuck main shaft 32 is fixedly connected with chuck cylinder sleeve 31, cutting ferrule 35 is socketed on chuck main shaft 32, and fairlead 34 is fixedly connected with by screw with chuck main shaft 32, and return facilities 33 is fixedly connected with cutting ferrule 35, chuck cylinder sleeve 31 comprises chuck cylinder body 311, chuck cylinder seat 312, plunger bearing pin 313, plunger pin axle sleeve 314 and rubber fairlead 315, chuck cylinder body 311 and chuck cylinder seat 312 are fixed by screw and are connected, chuck cylinder body 311 offers seal groove with the contact surface of chuck cylinder seat 312, be filled with encapsulant in seal groove to seal, chuck cylinder body 311 center offers the hole coaxial with chuck main shaft 32, chuck cylinder body 311 offers plunger pin axis hole 3111, plunger pin axis hole 3111 quantity is 8 in the present embodiment, in other embodiments, the quantity of plunger pin axis hole 3111 is determined according to design needs, plunger pin axis hole 3111 center is all identical to the distance at chuck cylinder body 311 center, plunger bearing pin 312 to be arranged in plunger pin axis hole 3111, plunger pin axle sleeve 313 to be fixedly mounted in plunger pin axis hole 3111 and to be socketed in first end of plunger bearing pin 312, plunger pin axle sleeve 313 offers seal groove with the contact surface of plunger bearing pin 312, be filled with encapsulant in seal groove to seal, the bottom of plunger bearing pin 312 abuts with chuck cylinder seat 314, the quantity of plunger bearing pin 312 is identical with the quantity of plunger pin axis hole 3111, rubber fairlead 315 and chuck cylinder seat 314 are socketed, and be fixedly connected with chuck cylinder seat 314, plunger pin axis hole 3111 the first half is trapezoidal hole, plunger pin axle sleeve 313 is arranged on trapezoidal position, the bottom of chuck cylinder body 311 is processed with the first annulus 3112 and the second annulus 3113, first annulus 3112 is through the latter half of plunger pin axis hole 3111, and the first annulus 3112 and the second annulus 3113 through, first annulus 3112 forms a cannelure in the bottom of chuck cylinder body 311, for storage liquid force feed, the center line of the first annulus 3112 and the second annulus 3113 overlaps with the center line of chuck main shaft 32, the diameter that the difference of the internal-and external diameter of the second annulus 3113 is greater than plunger pin axis hole 3111 is less than the difference of the internal-and external diameter of the first annulus 3112, chuck cylinder body 2311 offers hydraulic pressure oil duct 3114 to be communicated with the second annulus 3113, hydraulic oil enters the first annulus 3112 by hydraulic pressure oil duct 3114 and the second annulus 3113 pairs of plunger pin axles 312 carry out jacking.
As Fig. 2, shown in Fig. 3 and Fig. 5, chuck main shaft 32 comprises main shaft 323, back-moving spring 321 and fixture block body 322, main shaft 323 is hollow shaft, back-moving spring 321 is fastened on the inwall of fixture block body 322, in the present embodiment, the quantity of back-moving spring 321 is 2, the number of fixture block body 322 is 5, fixture block body 322 is fastened on main shaft 323, the contact internal walls of back-moving spring 321 and main shaft 323 also embeds the inwall of main shaft 323, main shaft 323 is fixedly connected with chuck cylinder seat 314 with chuck cylinder body 311 by screw, oppress back-moving spring 321 after fixture block body 322 pressurized to shrink simultaneously, when fixture block body 322 not pressurized time back-moving spring 321 utilize the elasticity of self to be popped into position by fixture block body 322, when fixture block body 322 pairs of pipes carry out pinching action, with by the circumference of the equally distributed pipe of contact point of pipe clamped, pipe surface is made to accept evenly, wear and tear little.
As shown in Figures 2 and 3, return facilities 33 comprises retracting spring 331, little guide peg 332 and chuck housing 333, retracting spring 331 is sleeved on little guide peg 332, the upper end of little guide peg 332 is flexibly connected with fairlead 34, the lower end of little guide peg 332 is processed into threaded rod and is fixedly connected with cutting ferrule 35, chuck housing 333 and cutting ferrule 35 are fixed by screw and are connected, fairlead 34 comprises guiding cylinder body 341, rubber fixed wheel 343 and top cover 342, fairlead 34 is socketed in cutting ferrule 35 top, fairlead 34 top interior is processed with round boss 3412, boss 3412 is fixedly connected with main shaft 323, boss 3412 is processed with through hole 3413, boss 3412 external diameter is greater than main shaft 3413 aperture, through hole 3413 aperture is less than main shaft 323 aperture and the center line of through hole 3413 and main shaft 323 overlaps, top cover 342 is fixedly connected with guiding cylinder body 341, spill is processed at the top of guiding cylinder body 341, rubber fixed wheel 343 is fixed between top cover 342 and guiding cylinder body 341, and rubber fixed wheel 343 is positioned at the spill that guiding cylinder body 341 top is processed into, rubber fixed wheel 343 is used for preventing from being clamped the rigid impact of pipe to main shaft 323, pilot hole 3411 is processed with bottom guiding cylinder body 341, pilot hole 3411 is for shoulder hole and aperture, top is less than aperture, bottom, aperture, top and the little guide peg 332 of pilot hole 3411 match, little guide peg 332 is through pilot hole 3411, aperture, bottom and the retracting spring 331 of pilot hole 3411 match, retracting spring 331 is arranged in pilot hole 3411 and abuts with guiding cylinder body 341.
Claims (9)
1. an oil drilling floating chuck, is characterized in that, comprising:
Column, described column and top are driven back-up tong and are connected, and described column are processed with column upper head plate and column lower end plate;
Guide peg assembly, described guide peg assembly is fixedly connected with described column;
Chuck assembly, described chuck assembly is flexibly connected with described guide peg assembly.
2. a kind of oil drilling floating chuck according to claim 1, it is characterized in that: described guide peg assembly comprises guide peg, floating spring and butterfly spring, described guide peg is fixedly connected with described column, be flexibly connected with described chuck assembly in the middle part of described guide peg, the upper end of described guide peg is fixedly connected with described column upper head plate, the lower end of described guide peg is fixedly connected with described column lower end plate, described guide peg quantity is more than or equal to 2, described floating spring is socketed in described guide peg upper end, and the upper end of described floating spring abuts with described column upper head plate, the lower end of described floating spring abuts with described chuck assembly, described butterfly spring is socketed in described guide peg lower end, and the upper end of described butterfly spring abuts with described chuck assembly, the lower end of described butterfly spring abuts with described column lower end plate.
3. a kind of oil drilling floating chuck according to claim 2, it is characterized in that: described chuck assembly comprises chuck cylinder sleeve, chuck main shaft, return facilities, fairlead and cutting ferrule, described chuck cylinder sleeve is flexibly connected with described guide peg, described chuck main shaft is fixedly connected with described chuck cylinder sleeve, described cutting ferrule is socketed on described chuck main shaft, described fairlead is fixedly connected with by screw with described chuck main shaft, and described return facilities is fixedly connected with described cutting ferrule.
4. a kind of oil drilling floating chuck according to claim 3, it is characterized in that: described chuck cylinder sleeve comprises chuck cylinder body, chuck cylinder seat, plunger bearing pin, plunger pin axle sleeve and rubber fairlead, described chuck cylinder body and described chuck cylinder seat are fixed by screw and are connected, described chuck cylinder body center offers the hole coaxial with described chuck main shaft, described chuck cylinder body offers plunger pin axis hole, described plunger pin axis hole quantity is more than or equal to 2, described plunger pin axis hole center is all identical with the distance at described chuck cylinder body center, described plunger bearing pin is arranged in described plunger pin axis hole, described plunger pin axle sleeve to be fixedly mounted in described plunger pin axis hole and to be socketed in first end of described plunger bearing pin, the bottom of described plunger bearing pin abuts with described chuck cylinder seat, the quantity of described plunger bearing pin is identical with the quantity of described plunger pin axis hole, described rubber fairlead and described chuck cylinder cover for seat connect, and be fixedly connected with described chuck cylinder seat.
5. a kind of oil drilling floating chuck according to claim 4, it is characterized in that: described plunger pin axis hole the first half is trapezoidal hole, described plunger pin axle sleeve is arranged on trapezoidal position, the bottom of described chuck cylinder body is processed with the first annulus and the second annulus, described first annulus is through the latter half of described plunger pin axis hole, and described first annulus and described second annulus through, the center line of described first annulus and described second annulus overlaps with the center line of described chuck main shaft, the diameter that the difference of the internal-and external diameter of described second annulus is greater than described plunger pin axis hole is less than the difference of the internal-and external diameter of described first annulus, described chuck cylinder body offers hydraulic pressure oil duct to be communicated with described second annulus.
6. a kind of oil drilling floating chuck according to claim 4, it is characterized in that: described chuck main shaft comprises main shaft, back-moving spring and fixture block body, described main shaft is hollow shaft, described back-moving spring is fastened on the inwall of described fixture block body, and the quantity of described back-moving spring is more than or equal to 1, described fixture block body is fastened on described main shaft, the contact internal walls of described back-moving spring and described main shaft,, described main shaft is fixedly connected with chuck cylinder seat with described chuck cylinder body by screw.
7. a kind of oil drilling floating chuck according to claim 6, it is characterized in that: described return facilities comprises retracting spring, little guide peg and chuck housing, described retracting spring is sleeved on described little guide peg, the upper end of described little guide peg is flexibly connected with described fairlead, the lower end of described little guide peg is processed into threaded rod and is fixedly connected with described cutting ferrule, and described chuck housing and described cutting ferrule are fixed by screw and are connected.
8. a kind of oil drilling floating chuck according to claim 7, it is characterized in that: described fairlead comprises guiding cylinder body, rubber fixed wheel and top cover, described fairlead is socketed in described cutting ferrule top, described fairlead top interior is processed with round boss, described boss is fixedly connected with described main shaft, described boss is processed with through hole, described boss external diameter is greater than described spindle bore, described through-hole aperture is less than described spindle bore and the center line of described through hole and described main shaft overlaps, described top cover is fixedly connected with described guiding cylinder body, described rubber fixed wheel is fixed between described top cover and described guiding cylinder body, described guiding cylinder base is processed with pilot hole, described pilot hole is shoulder hole and aperture, top is less than aperture, bottom, aperture, top and the described little guide peg of described pilot hole match, described little guide peg is through described pilot hole, aperture, bottom and the described retracting spring of described pilot hole match, described retracting spring is arranged in described pilot hole and abuts with described guiding cylinder body.
9. a kind of oil drilling floating chuck according to claim 8, it is characterized in that: described cutting ferrule is socketed on described chuck main shaft, guide peg installing hole and counterbore is offered bottom described cutting ferrule, described guide peg installing hole is shoulder hole, aperture, described shoulder hole top is larger, for installing guide spring, aperture, described shoulder hole bottom is less and be processed as screwed hole, for installing described little guide peg, described counterbore and described plunger bearing pin match, and described plunger bearing pin is abutted with described cutting ferrule by described counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227329.1U CN204591181U (en) | 2015-04-16 | 2015-04-16 | A kind of oil drilling floating chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227329.1U CN204591181U (en) | 2015-04-16 | 2015-04-16 | A kind of oil drilling floating chuck |
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| Publication Number | Publication Date |
|---|---|
| CN204591181U true CN204591181U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227329.1U Active CN204591181U (en) | 2015-04-16 | 2015-04-16 | A kind of oil drilling floating chuck |
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| CN (1) | CN204591181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672697A (en) * | 2016-11-18 | 2017-05-17 | 侯国清 | Clamping jaw type reel clamping device of full-automatic winding machine |
-
2015
- 2015-04-16 CN CN201520227329.1U patent/CN204591181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672697A (en) * | 2016-11-18 | 2017-05-17 | 侯国清 | Clamping jaw type reel clamping device of full-automatic winding machine |
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Effective date of registration: 20170629 Address after: 618300 section, Sanya Road, Guanghan, Sichuan, Deyang Patentee after: Han Zheng Inspection Technology Co Ltd Address before: 618300 Zhongshan Road, Guanghan, Sichuan Province, south of the two paragraph of the Patentee before: Honghua Petroleum Equipment Co., Ltd., Sichuan |