CN201186866Y - Improved portable steel wire well testing winch - Google Patents
Improved portable steel wire well testing winch Download PDFInfo
- Publication number
- CN201186866Y CN201186866Y CNU2007200772360U CN200720077236U CN201186866Y CN 201186866 Y CN201186866 Y CN 201186866Y CN U2007200772360 U CNU2007200772360 U CN U2007200772360U CN 200720077236 U CN200720077236 U CN 200720077236U CN 201186866 Y CN201186866 Y CN 201186866Y
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- brake
- brake lever
- winch
- bar
- steel wire
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Abstract
The utility model relates to an improved-type portable steel wire well testing winch, which comprises a roller mechanism, a wire arranging and metering mechanism, a brake mechanism, a hand-operated mechanism and a winch chassis. The roller mechanism is provided with a roller clutch device to remove power in a shortest time without stopping a power supply when the improved-type portable steel wire well testing winch is clamped under a well. A roller drive device is designed as a replaceable mounted hydraulic drive device or a belt pulley drive device. A regulating draw rod of the brake mechanism can regulate the interval between a brake metal band and a brake hub, and a brake handle non-return and wrong brake-loosening preventing mechanism ensures that the brake handle is stopped at an arbitrary position when braking without straining the brake handle for a long time to save the labor power and reduce the operating intensity. An operating lever of the wire arranging and metering mechanism is provided with a clump weight thereon to relieve the operating intensity. The improved type portable steel wire well testing winch improves the power device performance, the operating performance, and the braking performance to acquire convenient, safe and reliable operation; and has the advantages of simple structure, small volume, light weight, flexible and convenient operation, and convenient transportation.
Description
Technical field
The utility model relates to oilfield test jobs steel wire well testing winch, being particularly related to a kind of hand-held design steel wire well testing winch, is oilfield well testing, the well logging isolated plant that cooperates different subsurface equipments can carry out borehole operation such as pressure measurement, thermometric, well logging gradient, bottom-hole sampling, detection sand face, wax removal and small-sized salvaging.
Background technology
Steel wire well testing winch is the main working parts of oilfield well testing operation, in the well testing operation process, twines and the release steel wire by the rotating of cylinder, promotes and transfer the purpose of subsurface equipment thereby reach, with the requirement of well depth under satisfying and speed.Hand-held design steel wire well testing winch is in order to adapt in the mountain region, the hills, the desert, river courses etc. are unfavorable for the complex environment operation field that large-scale Move tool arrives and design-calculated need not to be fixedly mounted on the carrier loader to field operation, need not steel wire well testing winch that carrier loader and winch are used together, the hand-held design steel wire well testing winch that provides for 200620119108.3 utility model patents as the patent No., each component part of traditional steel wire well testing winch is carried out simplified design, guaranteeing to have simple in structure under the prerequisite that steel wire well testing winch basic function requires, volume is little, in light weight, flexible and convenient operation, be convenient to transportation, be not subjected to the restriction of means of delivery, the advantage that can comparatively work under the complex environment in landform.The engine installation form is single but it also exists when having above-mentioned advantage, uses to be subjected to using on-the-spot certain limitation; Do not have the cylinder clutch device to cause power to extract trouble, want to extract the propulsive effort of cylinder, must stop driving source, make the cylinder rotation once more, starting source power often needs two operative employee's compounding practices, complex operation, unreliable again; Brake system operation exists that labour intensity is big, the not high shortcoming of reliability.
Summary of the invention
The purpose of this utility model is the deficiency at the utility model patent technology existence of the patent No. 200620119108.3, a kind of improved type hand-held design steel wire well testing winch is provided, the patent No. 200620119108.3 hand-held design steel wire well testing winches are optimized design, keep that it has simple in structure, volume is little, under the prerequisite of in light weight, flexible and convenient operation, the advantage being convenient to transport, improve engine installation performance, operating characteristic, braking quality, make operation more convenient, safe, reliable.
Technical solutions of the utility model are as follows:
The light steel wire well testing of a kind of improved type winch is made up of cylinder mechanism, row's silk and metering mechanism, braking mechanism, hand-operated mechanism, winch frame, and cylinder mechanism comprises actuating device, the brake hubs that cylinder, drive roller shaft are rotated; Row's silk and metering mechanism comprise that suspension bracket, four-bar linkage joystick, metering pulley, steel wire are helped and taken turns, mechanical counter; Braking mechanism comprises manual brake lever, is wrapped in the brake steel band of brake hubs outward, it is characterized in that: described cylinder mechanism also comprises the cylinder clutch device, described cylinder clutch device comprise be installed on the drum shaft by the feather key bonded assembly have external tooth clutch cover, by bearing installation at the adapter sleeve with internal tooth of drum shaft end, stir clutch cover and make on the clutch cover internal gearing or out-of-gear fork device on the external tooth and adapter sleeve, described actuating device is connected with adapter sleeve.
Described actuating device is a fluid pressure drive device, and described fluid pressure drive device comprises HM Hydraulic Motor, butt flange, and hydraulic motor output shaft is connected with the adapter sleeve spline, and HM Hydraulic Motor is connected with butt flange, and butt flange is connected with butt flange on the winch frame.
Described actuating device is a pulley driving device, described pulley driving device comprises belt pulley, butt flange, transmission shaft, belt pulley is fixed on transmission shaft end, butt flange is installed on the transmission shaft by the bearing supporting, transmission shaft is connected with the adapter sleeve spline, and butt flange is connected with butt flange on the winch frame.
Described manual brake lever by bar in brake lever cylindrical shell, the brake lever, in stop bar head, jam nut, restriction nut, spring constitute, brake lever cylindrical shell bottom is connected with brake axle, brake axle cooperates with axle sleeve on being fixed in the winch frame, bar, spring are positioned at the brake lever cylindrical shell in the brake lever, bar is supported by spring in the brake lever, in stop that bar is connected in bar head and the brake lever, brake lever cylindrical shell upper end is connected with the restriction nut, jam nut is connected with the bar head thread of stopping on being positioned at the restriction nut; Described braking mechanism also comprises some brake strap suspension brackets, adjusting yoke mechanism, brake lever non-return and the anti-error mechanism that gets off the brakes, described brake strap suspension bracket constitutes by hanging piece, pull bar, extension spring, hanging piece is fixed on the winch frame, pull bar one end with hang piece and be connected, extension spring one end hook hangs over the other end of pull bar, and the extension spring other end is hooked on the brake steel band; Described adjusting yoke mechanism comprises adjusting yoke, setting nut, adjusting yoke one end is hinged on the winch frame, the dead end of brake steel band is connected on the adjusting yoke by setting nut, and the end of living of brake steel band is hinged on the brake arm, and brake arm is connected on the brake axle; Described brake lever non-return and the anti-error mechanism that gets off the brakes comprise manual brake lever, are connected the ratchet on the bar in the brake lever, are fixed in the ratchet on the winch frame, can keep brake after unclamping brake lever when the non-return effect of ratchet and ratchet makes brake, after screwing jam nut, can prevent the maloperation releasing of brake.
Be slidingly fitted with clump weight on the four-bar linkage joystick of described row's silk and metering mechanism, rod end is equipped with the restriction nut; The rotating shaft of described mechanical counter is connected with transition axis, and transition axis is connected with the metering sheave shaft.
The utility model carries out the designs simplification design with traditional steel wire well testing winch, not self-powered source, utilize on-the-spot external propulsion source, belt drive wheel or the rotation of fluid motor-driven cylinder by the cylinder axle head, row's silk mechanism adopts manually row's silk mechanism, gauging device is simple and reliable, hand-operated brake mechanism is adopted in drum brake, connect for movable joint between row's silk and metering mechanism and the winch base, compactness is being installed, under the prerequisite of easy accessibility, reduced winch transportation fixed part volume, made steel wire well testing winch under the prerequisite of assurance function requirement, it is simple to have an integral structure, volume is little, in light weight, flexible and convenient operation, the advantage of being convenient to transport.Move laborsavingly, unloaded (not winding steel wire) total mass is no more than 100Kg, and the fixed part total mass is no more than 90Kg, is specially adapted to automobile such as mountain region, hills, desert, river course or other means of delivery and is difficult for the complex environment work down that arrives.
Description of drawings
Fig. 1 is the utility model overall structure front view.
Fig. 2 is the lateral plan of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Fig. 4 is cylinder mechanism, cylinder clutch device, fluid pressure drive device structural representation.
Fig. 5 is the pulley driving device structural representation.
Fig. 6 is the braking mechanism structural representation.
Fig. 7 is the lateral plan of Fig. 6.
Fig. 8 is Fig. 6 birds-eye view.
Fig. 9 is manual brake lever structural representation.
Figure 10 is a mechanical counter mounting structure scheme drawing.
Figure 11 is row's silk and metering mechanism's structural representation.
Figure 12 is Figure 11 birds-eye view.
Figure 13 is a cylinder clutch device shifting fork mechanism structural representation.
Figure 14 is Figure 13 birds-eye view.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, shown in Figure 3 be the utility model integral structure scheme drawing, the utility model is made up of cylinder mechanism 1, row silk and metering mechanism 2, braking mechanism 3, hand-operated mechanism 4, winch frame 5.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, cylinder mechanism 1 is made up of cylinder 11, drum shaft 12, brake hubs 13, flat key 14, bearing seat 15, cylinder 11 is installed on the drum shaft 12, by flat key 14 transfer torques, brake hubs 13 is integrally welded with cylinder 11, and drum shaft 12 two ends are supported on the winch frame 5 by bearing seat 15.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, cylinder clutch device 6 comprise be installed on the drum shaft 12 by feather key 63 bonded assemblys have external tooth clutch cover 61, by bearing be connected drum shaft 12 ends the adapter sleeve with internal tooth 62, stir clutch cover 61 and make on the clutch cover 61 internal gearing or out-of-gear fork device 64 on the external tooth and adapter sleeve 62, actuating device is connected imput power with adapter sleeve 62.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, fluid pressure drive device comprises HM Hydraulic Motor 8, butt flange 81, HM Hydraulic Motor 8 output shafts 82 are connected with adapter sleeve 62 splines, and HM Hydraulic Motor 8 is connected with butt flange 81, and butt flange 81 is connected with winch frame 5 upper flanges 51.
As shown in Figure 5, actuating device is also replaceable to be pulley driving device, pulley apparatus comprises belt pulley 9, butt flange 91, transmission shaft 92, belt pulley 9 is fixed on transmission shaft 92 axle heads, butt flange 91 is installed on the transmission shaft 92 by the bearing supporting, the spline axle head 93 of transmission shaft 92 is connected with adapter sleeve 62 splines, and butt flange 91 is connected with winch frame 5 upper flanges 51.Pulley driving device and fluid pressure drive device are used interchangeably.
As Fig. 1, Fig. 2, Fig. 3, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, braking mechanism 3 comprises manual brake lever 31, be wrapped in the brake steel band 32 of brake hubs 13 outward, manually brake lever 31 is by brake lever cylindrical shell 311, bar 312 in the brake lever, ratchet 36 with 312 one of bar in the brake lever, in the bar head 313 of stopping, jam nut 314, restriction nut 315, spring 316 constitutes, brake lever cylindrical shell 311 is connected with brake axle 30 by bottom square hole 317, brake axle 30 cooperates with axle sleeve on being fixed in winch frame 5, bar 312 in the brake lever, spring 316 is positioned at brake lever cylindrical shell 311, bar 312 is supported by spring 316 in the brake lever, in stop that bar 312 is threaded in bar head 313 and the brake lever, brake lever cylindrical shell 311 upper ends are connected with restriction nut 315, and jam nut 314 is positioned at restriction nut 315 upper ends and is threaded with the bar head 313 of stopping; The brake strap suspension bracket has two, the brake strap suspension bracket constitutes by hanging piece 37, pull bar 38, extension spring 39, hang piece 37 and be fixed on the winch frame 5, pull bar 38 1 ends with hang piece 37 and be connected, extension spring 39 1 end hooks hang over the other end of pull bar 38, and extension spring 39 other ends are hooked on the brake steel band 32.The brake strap suspension bracket is used to adjust brake strap and the brake hubs gap is even, realizes by the spring degree of tightness of adjusting the brake strap suspension bracket.Adjusting yoke mechanism comprises adjusting yoke 34, setting nut 342, pivot shaft 341, adjusting yoke 34 1 ends are hinged on the pivot shaft 341 that is installed on the winch frame 5, the dead end of brake steel band 32 is connected on the adjusting yoke 34, connect by two setting nuts 342, the end of living of brake steel band 32 is hinged on the brake arm 33, and brake arm 33 is connected on the brake axle 30 by the bottom square hole.Adjusting yoke 34 is used for adjusting brake steel band 32 and brake hubs gap length.Brake lever non-return and the anti-error mechanism that gets off the brakes comprise manual brake lever 31, with brake lever in bar 312 one ratchet 36, be fixed in the ratchet 35 on the winch frame 5, can keep brake after unclamping brake lever when the non-return effect of ratchet 36 and ratchet 35 makes brake, ratchet 36 cooperates with ratchet 35 makes that brake lever can be stopped at the optional position when braking in the permission stroke.After screwing jam nut 314, the bar head 313 of stopping in just can not pressing is thrown off ratchet 36 and ratchet 35, can prevent the maloperation releasing of brake.Brake lever non-return and the anti-error mechanism that gets off the brakes can guarantee that brake lever stops at position arbitrarily when brake, need not strain brake lever for a long time, have saved manpower, have alleviated workman's manipulation strength.Need for a long time winch to be parked the well site and when unattended, can tighten jam nut 314, in case people's maloperation releasing of brake is arranged.
As Fig. 1, Fig. 2, Fig. 3, Figure 10, Figure 11, shown in Figure 12, row's silk and metering mechanism 2 comprise suspension bracket 21, metering pulley 22, four-bar linkage joystick 23, outer rim is corresponding with metering pulley 22 groovings and close steel wire is helped wheel 24, mechanical counter 25, be slidingly fitted with clump weight 26 on the four-bar linkage joystick 23 on the joystick, rod end is equipped with restriction nut 27, the rotating shaft of mechanical counter 25 is connected with transition axis 28, and transition axis 28 is connected with metering sheave shaft 29.Steel wire is wrapped on the cylinder 11 after passing between metering pulley 22 and the steel wire support wheel 24 after metering pulley 22 twines, and it is to prevent that steel wire breaks away from the grooving that measures pulley 22 that steel wire is helped the effect of wheel 24.In the process of cylinder rotation,, drive 22 swings of metering pulley, thereby steel wire is wrapped on the cylinder uniformly by swing joystick 23 handle ends.Metering pulley 22 rotates a circle, and winding steel wire is 1 meter, mechanical counter 25 one-bit digital of beating.Clump weight 26 can be free to slide on four-bar linkage joystick 23, reaches the purpose with steel wire rope-out end counterweight, alleviates labor strength.Mechanical counter 25 integral body are fixed on the suspension bracket 21 by counter flange, the rotating shaft of mechanical counter 25 is connected with metering sheave shaft 29 by transition axis 28, reduce the transitional links such as driving snake of easy damage, made transmission more steadily, reliably, increased the service life of mechanical counter 25.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Figure 13, shown in Figure 14, cylinder clutch device shifting fork mechanism 64 is machinery controlss, comprise the support 643 that is fixed on the winch frame 5 and positioning plate 645, by pin 644 hinge joints at the shift fork on the support 643 642, be installed in two fingers 641 on shift fork 642 forks, be connected the gear shift lever 646 of shift fork 642 handle ends by sliding pin.Two grooves are arranged on the positioning plate 645, are that cylinder is hung two positions of closing and throwing off power.Stir gear shift lever 646 and drive shift fork 642 motions, two fingers 641 that are installed on shift fork 642 forks promote to be installed in the clutch cover 61 that has external tooth on the drum shaft 12 by feather key 63 bonded assemblys, clutch cover 61 slides on drum shaft 12, with internal gearing or jump out of mesh on the adapter sleeve with internal tooth 62 that is connected drum shaft 12 ends by bearing, realize that actuating device is connected imput power or actuating device with cylinder 11 and cylinder 11 is thrown off excision power, flexible operation, convenience, reliable.When instrument is met card in the down-hole, in the shortest time, just can extract power and need not stop propulsion source.If there is not the cylinder clutch device, necessary two operative employee's compounding practices during execute-in-place, an operational power source, an operation winch, added the cylinder clutch device, but operative employee is complete operation just, has saved manpower, reduced operative employee's labour intensity, has avoided two maloperations that operative employee's compounding practice causes easily.
As Fig. 1, Fig. 2, shown in Figure 3, hand-operated mechanism 4 is auxiliary devices, when the propulsion source of head roll rotation breaks down, can put on subsurface equipment come by hand-operated mechanism 4 rotary drums.It is a hand crank that is installed in drum shaft 12 axle heads, is used for steel wire and transfers the operation of instrument when lifting from well head near shaft bottom and instrument, and when instrument blocked in the down-hole, the slow rotary drum of also available hand crank carried out unfreezing, in order to avoid break steel wire.
As Fig. 1, Fig. 2, shown in Figure 3, winch frame 5 directly is fixed on ground, well site by set pin 7, installs simple and reliable.In case in the course of the work, downhole instrument and steel wire draw the race winch.Set pin 7 is provided with the grounding jumper hole, can make this device reliable ground in case of necessity.
Principle of work:
The utility model is obtained power from external power source, drive HM Hydraulic Motor or drive the belt drive wheel by hydraulic efficiency pressure system by intermediate gearing, thereby drive the cylinder rotation, can utilize well site power supply or other generation modes to drive the drive wheel rotation by belt-driving through electrical motor, perhaps utilize the power of car chassis, drive the drive wheel rotation or drive the HM Hydraulic Motor rotation by hydraulic efficiency pressure system by intermediate gearing.Connect drum shaft by the cylinder clutch device, the head roll rotating is twined and is discharged steel wire, thereby promotes and transfer subsurface equipment, with the well testing job requirements of satisfied well depth down and speed.Row's silk and metering mechanism are installed on the cant cantilever, in the process of cylinder rotation, handle the four-bar linkage joystick lever and help wheel by swing metering pulley, steel wire, make steel wire be wrapped on the cylinder uniformly, gauging device can write down the following well depth of steel wire, and the metering pulley whenever rotates a circle and makes the mechanical counter number of digital of beating, and the steel wire certain-length is transferred in metering, transportation can be pulled down by row's silk and metering mechanism, is convenient to transportation thereby alleviate carrying weight.The function of braking mechanism is by outer-enwraped type brake steel band cylinder to be stopped operating under the situation of running, in the course of the work as emergency situation, handles hand-operated brake cylinder is stopped operating.Hand-operated mechanism adopts conventional structure, is used for steel wire and transfers the operation when lifting from well head of operation and instrument, meets card in the down-hole as instrument, and the slow rotary drum of also available hand-operated mechanism carries out unfreezing, in order to avoid break steel wire.The utility model braking mechanism is provided with brake lever non-return and the anti-error mechanism that gets off the brakes, can reach the purpose that the restriction cylinder freely turns round, prevent from slipping under the instrument behind the excision propulsion source, fall into the shaft bottom and cause instrument damage, need for a long time winch to be parked the well site and when unattended, can tighten jam nut, in case people's maloperation releasing of brake is arranged.Winch base fixes on the ground by set pin, is easy to install.
Claims (5)
1, the light steel wire well testing of a kind of improved type winch, be made up of cylinder mechanism (1), row's silk and metering mechanism (2), braking mechanism (3), hand-operated mechanism (4), winch frame (5), cylinder mechanism (1) comprises actuating device, the brake hubs (13) that cylinder (11), drive roller shaft (12) are rotated; Row's silk and metering mechanism (2) comprise suspension bracket (21), four-bar linkage joystick (23), metering pulley (22), steel wire support wheel (24), mechanical counter (25); Braking mechanism (3) comprises manual brake lever (31), be wrapped in the brake steel band (32) of brake hubs (13) outward, it is characterized in that: described cylinder mechanism (1) also comprises cylinder clutch device (6), described cylinder clutch device (6) comprises that being installed in drum shaft (12) goes up the clutch cover (61) that has external tooth by feather key (63) bonded assembly, by the adapter sleeve with internal tooth (62) of bearing installation in drum shaft (12) end, stir clutch cover (61) and make last external tooth of clutch cover (61) and adapter sleeve (62) go up internal gearing or out-of-gear fork device (64), described actuating device output shaft is connected with adapter sleeve (62).
2, the light steel wire well testing of improved type winch according to claim 1, it is characterized in that: described actuating device is a fluid pressure drive device, described fluid pressure drive device comprises HM Hydraulic Motor (8), butt flange (81), HM Hydraulic Motor (8) output shaft (82) is connected with adapter sleeve (62) spline, HM Hydraulic Motor (8) is connected with butt flange (81), and butt flange (81) is connected with butt flange (51) on the winch frame (5).
3, the light steel rope well testing of improved type winch according to claim 1, it is characterized in that: described actuating device is a pulley driving device, described pulley driving device comprises belt pulley (9), butt flange (91), output shaft (92), belt pulley (9) is fixed on output shaft (92) axle head, butt flange (91) is installed on the output shaft (92) by the bearing supporting, output shaft (92) is connected with adapter sleeve (62) spline, and butt flange (91) is connected with butt flange (51) on the winch frame (5).
4, as the light steel rope well testing of improved type winch as described in any one in the claim 1 to 3, it is characterized in that: described manual brake lever (31) is by brake lever cylindrical shell (311), bar (312) in the brake lever, in the bar head (313) of stopping, jam nut (314), restriction nut (315), spring (316) constitutes, brake lever cylindrical shell (311) bottom is connected with brake axle (30), brake axle (30) cooperates with axle sleeve on being fixed in winch frame (5), bar (312) in the brake lever, spring (316) is positioned at brake lever cylindrical shell (311), bar (312) is supported by spring (316) in the brake lever, in stop that bar (312) is connected in bar head (313) and the brake lever, brake lever cylindrical shell (311) upper end is connected with restriction nut (315), and jam nut (314) is positioned at restriction nut (315) upper end and is threaded with the bar head (313) of stopping; Described braking mechanism (3) also comprises some brake strap suspension brackets, adjusting yoke mechanism, brake lever non-return and the anti-error mechanism that gets off the brakes, described brake strap suspension bracket is by hanging piece (37), pull bar (38), extension spring (39) formation, hanging piece (37) is fixed on the winch frame (5), pull bar (38) one ends with hang piece (37) and be connected, extension spring (39) one end hooks hang over the other end of pull bar (38), and extension spring (39) other end is hooked on the brake steel band (32); Described adjusting yoke mechanism comprises adjusting yoke (34), setting nut (342), adjusting yoke (34) one ends are hinged on the winch frame (5), the dead end of brake steel band (32) is connected on the adjusting yoke (34) by setting nut (342), the end of living of brake steel band (32) is hinged on the brake arm (33), and brake arm (33) is connected on the brake axle (30); Described brake lever non-return and the anti-error mechanism that gets off the brakes comprise manual brake lever (31), are connected the ratchet (36) on the bar (312) in the brake lever, are fixed in the ratchet (35) on the winch frame (5), can keep brake after unclamping brake lever when the non-return effect of ratchet (36) and ratchet (35) makes brake, after screwing jam nut (314), can prevent the maloperation releasing of brake.
5, as the light steel rope well testing of improved type winch as described in the claim 4, it is characterized in that: be slidingly fitted with clump weight (26) on four-bar linkage joystick (23) bar of described row's silk and metering mechanism (2), rod end is equipped with and limits nut (27); The rotating shaft of described mechanical counter (25) is connected with transition axis (28), and transition axis (28) is connected with metering sheave shaft (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200772360U CN201186866Y (en) | 2007-12-26 | 2007-12-26 | Improved portable steel wire well testing winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200772360U CN201186866Y (en) | 2007-12-26 | 2007-12-26 | Improved portable steel wire well testing winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201186866Y true CN201186866Y (en) | 2009-01-28 |
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ID=40309885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200772360U Expired - Fee Related CN201186866Y (en) | 2007-12-26 | 2007-12-26 | Improved portable steel wire well testing winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201186866Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896452A (en) * | 2019-03-05 | 2019-06-18 | 中国石油天然气股份有限公司 | A kind of novel well testing winch steel wire folding and unfolding faking device |
-
2007
- 2007-12-26 CN CNU2007200772360U patent/CN201186866Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896452A (en) * | 2019-03-05 | 2019-06-18 | 中国石油天然气股份有限公司 | A kind of novel well testing winch steel wire folding and unfolding faking device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20111226 |