CN202518940U - Tool special for lifting - Google Patents
Tool special for lifting Download PDFInfo
- Publication number
- CN202518940U CN202518940U CN2012200373319U CN201220037331U CN202518940U CN 202518940 U CN202518940 U CN 202518940U CN 2012200373319 U CN2012200373319 U CN 2012200373319U CN 201220037331 U CN201220037331 U CN 201220037331U CN 202518940 U CN202518940 U CN 202518940U
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- Prior art keywords
- sleeve
- inner sleeve
- guide
- special tool
- outer sleeve
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- Expired - Lifetime
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Abstract
The utility model relates to a tool special for lifting. The tool comprises an inner sleeve and an outer sleeve, wherein the outer sleeve is sleeved outside the inner sleeve and axially moves along the inner sleeve; a guide component is arranged on the outer wall of the inner sleeve; a guide groove is axially formed in the outer sleeve; the guide component penetrates through the guide groove and moves in the guide groove; a locking sleeve is sleeved on the position, corresponding to the guide groove, outside the outer sleeve; and a key groove for the guide component to pass through is formed in the inner wall of the locking sleeve. The locking sleeve is rotated, when the circumferential direction of the key groove faces the guide component, the inner sleeve and the outer sleeve slide relatively, and when the circumferential direction of the key groove deviates from the guide component, the inner sleeve and the outer sleeve are static relatively. The tool has the advantages of simple structure, reliable locking and convenience in disassembly and assembly, and belongs to the tool special for an oil field.
Description
Technical field
The utility model relates to a kind of oil field equipment, specifically, relates to a kind of lifting special tool.
Background technology
When oil field operation, need instrument be packed into and use in the drill collar, perhaps instrument is taken out in drill collar.Because instrument is heavier, need to use loop wheel machine just can operate.
Existing lifting device is fairly simple, comprises outer sleeve and inner sleeve, and outer sleeve is socketed in outside the inner sleeve, and can move axially along inner sleeve.The head of outer sleeve is an external end head, external end head be shaped as petal-shaped, and have elasticity.The head of inner sleeve is an inner termination, and inner termination is a circle annular protrusion that is positioned at the inner sleeve outer wall; The afterbody of inner sleeve connects the suspension ring of annular arrangement, supplies the hook hook of loop wheel machine.Inner and outer sleeves moves axially, and when inner termination was aimed at external end head, annular protrusion outwards pushed up external end head, the outer bullet of external end head, and external end head is stuck in the inner chamber of instrument, and loop wheel machine can be through the lifting device instrument of slinging; When inner termination departed from external end head, external end head recovered initial barrel-contoured state, and this moment, external end head was not exerted pressure to the inner chamber of instrument, and lifting device is separated with instrument.The axial location of control inner and outer sleeves, i.e. the folding of may command external end head realizes that lifting device is with the fixing of instrument or separate.Therefore need the locking mechanism of control inner and outer sleeves relative position, just can realize the mounting or dismounting of lifting device.
Existing locking mechanism is fairly simple, but safe reliability is bad, under the situation of locking, throws off automatically sometimes, damages instrument, even can jeopardize the safety of operating personal.Sometimes, after the locking mechanism locking, possibly be difficult for the situation of release, use very inconvenient.
The utility model content
To the technical matters that exists in the prior art, the purpose of the utility model is: provide a kind of simple in structure, and reliable lock, convenient for unlocking, and can manually operated lifting special tool.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of lifting special tool comprises: inner sleeve and outer sleeve; Outer sleeve is socketed in outside the inner sleeve, and moves axially along inner sleeve, it is characterized in that: the outer wall of said inner sleeve is provided with guide, and outer sleeve is provided with the guide groove of axial setting, and guide passes guide groove and move inside; Outer sleeve is outer, with the corresponding position of guide groove on be socketed with lock tube, the inwall of lock tube is provided with the keyway that supplies guide to pass through; The rotation lock tube, when keyway during circumferentially over against guide, the relative slippage of inner and outer sleeves; When keyway circumferentially departed from guide, inner and outer sleeves was static relatively.
Be provided with the manual locking structure between lock tube and the outer sleeve; This manual locking structure comprises: projection, locking briquetting, bearing pin, spring and recess; The locking briquetting is fixed on the lock tube and around bearing pin through bearing pin and rotates, and projection is in the inboard of locking briquetting one end, and recess is positioned at the outer wall of outer sleeve; When keyway circumferentially departed from guide, under the effect of spring, projection was pressed in the recess.
The manual locking structure has two, is symmetrical set along the shaft section of lock tube.
Guide is an alignment pin, the dowel hole transition fit of offering on alignment pin and the inner sleeve, pass the inner sleeve central axis.
The two ends of alignment pin all protrude from the outer wall of inner sleeve, the corresponding guide groove of an end and a keyway.
The head of outer sleeve is petal, elastomeric external end head; The head of inner sleeve is the inner termination of annular outer, and afterbody connects suspension ring; When projection was pressed in the recess, inner termination was over against external end head, and external end head is bullet outward.
The outer wall of inner sleeve is the step axle, and the diameter of afterbody is less than the diameter of head; The inwall of outer sleeve is a stepped hole, and the aperture of afterbody is less than the aperture of head; The afterbody of outer sleeve spins with the annular end cap screw thread that axially withstands lock tube.
The end that inner sleeve is positioned at afterbody is provided with internal thread hole, and the male thread portion of suspension ring and internal thread hole are through being threaded.
The afterbody of inner sleeve screws in lock screw, and lock screw passes inner sleeve and suspension ring.
External end head is provided with the fluting of six that circumferentially evenly be provided with and length directions along axial setting; The material of outer sleeve is an elastic stainless steel.
Generally speaking, the utlity model has following advantage:
1. simple in structure, easy to operate, reliable lock, release is easy.Only need the rotation lock tube, make guide aim at or depart from keyway, promptly whether the may command inner and outer sleeves can move axially.
2. the setting of manual locking structure is simple in structure, reliable lock.
3. the manual locking symmetrical configuration is provided with, and guide groove and keyway are symmetrical set, and is beneficial to locking and stress balance, guarantees that the lifting special tool is not easy to wear.
4. whole mounting or dismounting are convenient.
Description of drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the cutaway view of Fig. 1 along the A-A direction.
Fig. 3 is the section-drawing of Fig. 2 along the B-B direction.
Wherein, 1 is the locking briquetting, and 2 is bearing pin, and 3 is spring, and 4 is suspension ring; 5 is lock screw, and 6 is inner sleeve, and 7 is annular end cap, and 8 is alignment pin, and 9 is lock tube; 10 is outer sleeve, and 11 is instrument, and 12 is dowel hole, and 13 is keyway, and 14 are fluting; 15 is guide groove, and 16 is external end head, and 17 is inner termination, and 18 is projection, and 19 is recess.
The specific embodiment
To combine the accompanying drawing and the specific embodiment to come the utility model is done further detailed explanation below.
Fig. 1 is to shown in Figure 3, and the lifting special tool comprises: inner sleeve 6, outer sleeve 10, suspension ring 4, lock tube 9 and manual locking structure.
Suspension ring 4 are annular suspension ring, which is provided with the outside thread connecting bridge.
The outer wall of inner sleeve 6 is the step axle, near the diameter of afterbody less than diameter near head.The head of inner sleeve 6 is inner termination 17, and inner termination 17 is the annular protrusion of the outer wall of inner sleeve 6.Inner sleeve 6 is provided with dowel hole 12, and this dowel hole 12 is for passing the through hole of central axis.Inner sleeve 6 is provided with internal thread hole near an end of afterbody.Alignment pin 8 is passed dowel hole 12, and with dowel hole 12 transition fit; The two ends of alignment pin 8 protrude from the outer wall of inner sleeve 6.
The inwall of outer sleeve 10 is a stepped hole, near the aperture of afterbody less than aperture near head.The head of outer sleeve 10 is an external end head 16, and this external end head 16 is petal, and has elasticity, and six length are evenly arranged slotting length 253mm along the circumference of external end head 16 along the fluting 14 of axial direction setting.After fluting 14 was set, external end head 16 can be realized the outer bullet of external end head 16 by outside top.Outer sleeve 10 is provided with two guide grooves 15 near the afterbody place, and the length direction of guide groove 15 is along axial setting, and the size of the width of guide groove 15 and alignment pin 8 is corresponding.Alignment pin 8 is passed guide groove 15, and moves along guide groove 15.The material of outer sleeve 10 is an elastic stainless steel.
Be provided with two between lock tube 9 and the outer sleeve 10 along the symmetrically arranged manual locking structure of certain shaft section, each manual locking structure comprises: projection 18, locking briquetting 1, bearing pin 2, spring 3 and recess 19.Lock tube 9 is provided with breach, and locking briquetting 1 is fixed on through bearing pin 2 in the breach of lock tube, and locking briquetting 1 rotates on lock tube 9 around bearing pin 2, and projection 18 is in the inboard of locking briquetting 1 one ends, and recess 19 is positioned at the outer wall of outer sleeve 10.The press-side of locking briquetting 1 is inwardly pushed, and an end that has a projection 18 i.e. jack-up upwards; Decontrol press-side, under the effect of spring 3, projection 18 is inwardly pushed.When keyway 13 circumferentially departed from alignment pin 8, under the effect of spring 3, projection 18 was pressed in the recess 19, realized the circumferential location of lock tube 9; When pressing lock pressed the press-side of piece 1, projection 18 left recess 19, and circumferentially positioning solution is removed, and lock tube 9 rotates on the sleeve 10 outside.
During installation, the afterbody of inner sleeve is inserted the head of outer sleeve, accomplish socket; Alignment pin is passed guide groove, inserts dowel hole, and guarantees that the two ends of alignment pin all protrude from the outer wall certain altitude of inner sleeve; Be inserted in lock tube (together with locking briquetting, projection, bearing pin and spring), keyway circumferential position aligned bearing pin, the raised section of withstanding outer sleeve until lock tube from the afterbody of inner and outer sleeves; The afterbody of outer sleeve screws in annular end cap, to lock tube left side axial location; The outside thread connecting bridge of suspension ring screws in the afterbody internal thread hole of inner sleeve; Outer wall at inner sleeve screws in lock screw, and lock screw passes inner sleeve and suspension ring, strengthens fixed effect.Can accomplish the installation of lifting special tool thus.
During use, initial condition is as shown in Figure 2, and projection is pressed in the recess under the effect of spring, and projection matches with recess; Realize the circumferential location of lock tube, this moment, keyway departed from alignment pin, and lock tube is to the alignment pin axial location; Alignment pin can not move in guide groove, thereby inner and outer sleeves can not move axially, and inner termination is over against external end head; External end head is outwards pushed up, and this is a locking state, and external end head can just in time be stuck in the inner chamber of instrument.Pressing lock presses the press-side of piece, and projection leaves recess, and circumferentially positioning solution is removed, and clockwise rotates lock tube, until keyway circumferential alignment alignment pin; Alignment pin is passed keyway and in guide groove, is axially moved, and inner and outer sleeves moves to axial, and inner termination is left external end head, and external end head is inwardly withdrawn, and this is a released state, and external end head can move in instrument.When the lifting special tool was installed, elder generation inserted in the instrument relevant position after it is adjusted into released state, is adjusted into locking state again, can accomplish the fixing of lifting special tool and instrument.When removing the lifting special tool, it is adjusted into released state can will lifts special tool and from instrument, take out.
Claims (10)
1. a lifting special tool comprises: inner sleeve and outer sleeve; Outer sleeve is socketed in outside the inner sleeve, and moves axially along inner sleeve, it is characterized in that: the outer wall of said inner sleeve is provided with guide, and outer sleeve is provided with the guide groove of axial setting, and guide passes guide groove and move inside; Outer sleeve is outer, with the corresponding position of guide groove on be socketed with lock tube, the inwall of lock tube is provided with the keyway that supplies guide to pass through; The rotation lock tube, when keyway during circumferentially over against guide, the relative slippage of inner and outer sleeves; When keyway circumferentially departed from guide, inner and outer sleeves was static relatively.
2. according to the described lifting special tool of claim 1, it is characterized in that: be provided with the manual locking structure between said lock tube and the outer sleeve; This manual locking structure comprises: projection, locking briquetting, bearing pin, spring and recess; The locking briquetting is fixed on the lock tube and around bearing pin through bearing pin and rotates, and projection is in the inboard of locking briquetting one end, and recess is positioned at the outer wall of outer sleeve; When keyway circumferentially departed from guide, under the effect of spring, projection was pressed in the recess.
3. according to the described lifting special tool of claim 2, it is characterized in that: said manual locking structure has two, is symmetrical set along the shaft section of lock tube.
4. according to the described lifting special tool of claim 2, it is characterized in that: said guide is an alignment pin, the dowel hole transition fit of offering on alignment pin and the inner sleeve, pass the inner sleeve central axis.
5. according to the described lifting special tool of claim 4, it is characterized in that: the two ends of said alignment pin all protrude from the outer wall of inner sleeve, the corresponding guide groove of an end and a keyway.
6. according to each described lifting special tool in the claim 2 to 5, it is characterized in that: the head of said outer sleeve is petal, elastomeric external end head; The head of inner sleeve is the inner termination of annular outer, and afterbody connects suspension ring; When projection was pressed in the recess, inner termination was over against external end head, and external end head is bullet outward.
7. according to the described lifting special tool of claim 6, it is characterized in that: the outer wall of said inner sleeve is the step axle, and the diameter of afterbody is less than the diameter of head; The inwall of outer sleeve is a stepped hole, and the aperture of afterbody is less than the aperture of head; The afterbody of outer sleeve spins with the annular end cap screw thread that axially withstands lock tube.
8. according to the described lifting special tool of claim 6, it is characterized in that: the end that said inner sleeve is positioned at afterbody is provided with internal thread hole, and the male thread portion of suspension ring and internal thread hole are through being threaded.
9. according to the described lifting special tool of claim 8, it is characterized in that: the afterbody of said inner sleeve screws in lock screw, and lock screw passes inner sleeve and suspension ring.
10. according to the described lifting special tool of claim 6, it is characterized in that: said external end head is provided with the fluting of six that circumferentially evenly be provided with and length directions along axial setting; The material of outer sleeve is an elastic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200373319U CN202518940U (en) | 2012-02-06 | 2012-02-06 | Tool special for lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200373319U CN202518940U (en) | 2012-02-06 | 2012-02-06 | Tool special for lifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518940U true CN202518940U (en) | 2012-11-07 |
Family
ID=47101900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200373319U Expired - Lifetime CN202518940U (en) | 2012-02-06 | 2012-02-06 | Tool special for lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202518940U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241648A (en) * | 2013-05-22 | 2013-08-14 | 镇江中船设备有限公司 | Vertical hoisting tool for piston pin |
| CN104340845A (en) * | 2014-10-24 | 2015-02-11 | 青岛阿迪尔车桥制造有限公司 | Through hole workpiece moving device |
| CN108750924A (en) * | 2018-06-13 | 2018-11-06 | 常州工学院 | A kind of mechanical automatic hanging hook |
| CN110985753A (en) * | 2019-12-24 | 2020-04-10 | 宝鸡石油机械有限责任公司 | Mechanical type installation device suitable for ocean mining riser |
| WO2021258431A1 (en) * | 2020-06-23 | 2021-12-30 | 南京磁谷科技股份有限公司 | High-speed motor stator carrying inner supporting type manipulator |
-
2012
- 2012-02-06 CN CN2012200373319U patent/CN202518940U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241648A (en) * | 2013-05-22 | 2013-08-14 | 镇江中船设备有限公司 | Vertical hoisting tool for piston pin |
| CN103241648B (en) * | 2013-05-22 | 2015-09-16 | 镇江中船设备有限公司 | Vertical hoisting tool for piston pin |
| CN104340845A (en) * | 2014-10-24 | 2015-02-11 | 青岛阿迪尔车桥制造有限公司 | Through hole workpiece moving device |
| CN104340845B (en) * | 2014-10-24 | 2016-06-01 | 青岛阿迪尔车桥制造有限公司 | The running gear of a kind of through hole workpiece |
| CN108750924A (en) * | 2018-06-13 | 2018-11-06 | 常州工学院 | A kind of mechanical automatic hanging hook |
| CN110985753A (en) * | 2019-12-24 | 2020-04-10 | 宝鸡石油机械有限责任公司 | Mechanical type installation device suitable for ocean mining riser |
| WO2021258431A1 (en) * | 2020-06-23 | 2021-12-30 | 南京磁谷科技股份有限公司 | High-speed motor stator carrying inner supporting type manipulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |