CN2937450Y - Self-control clamping device without gap of hydraulic pliers - Google Patents
Self-control clamping device without gap of hydraulic pliers Download PDFInfo
- Publication number
- CN2937450Y CN2937450Y CN 200620086951 CN200620086951U CN2937450Y CN 2937450 Y CN2937450 Y CN 2937450Y CN 200620086951 CN200620086951 CN 200620086951 CN 200620086951 U CN200620086951 U CN 200620086951U CN 2937450 Y CN2937450 Y CN 2937450Y
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- CN
- China
- Prior art keywords
- hubei province
- jaw plate
- hydraulic
- opening gear
- gap bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a gangway-free self-controlling clamping device for hydraulic nippers, which comprises an opening gear, an upper cap for the opening gear, a lower cap for the opening gear, an inner curved surface slope plate positioned symmetrically along the opening direction of the opening gear, a jaw plate stand, a jaw plate, a roller wheel, a roller, wherein the gangway end of the inner curved surface slope plate is provided with an automatic gangway arc. Due to the automatic gangway arc, the hydraulic driven nippers with the device may finish by one time mounting or dismounting the tubing to or from string with diameter of 60mm to 141mm, improving the working efficiency; the jaw plate is provided with a guide key, and a guide slot is provided where the jaw plate stand faces the guide key, solving the problems of dead stop and return failure; the jaw plate is provided with a jaw plate mounting and dismounting screw hole, which facilitates the mounting and dismounting of the jaw plate in shutdown. Therefore, the utility model has more convenient usage and improves the working performance and efficiency.
Description
Technical field
The utility model relates to installation in the well-repairing work of a kind of oil field, dismantles the hydraulic power tongs that the oil pipe tubing string is used, and specifically, relating to a kind of hydraulic tongs does not have gap bridge automatic control clamping device.
Background technology
Oil field well workover hydraulic power tongs; be to be used in the oil field well workover industry installing; the hydrokinetic machine equipment of dismounting oil pipe tubing string indispensability; it plays a part very important in the oil well operation; for many years; though hydraulic tongs manufacturer is a lot of both at home and abroad; design production but mostly be certain model hydraulic tongs at the tubing string diameter of certain limit; as Fig. 1; shown in 2; present hydraulic power tongs generally comprises opening gear 1; opening gear loam cake 2; opening gear lower cover 3; along the symmetrically arranged negative camber ramp 51 of opening gear 1 opening direction; 52; 53; 54; Hubei Province grillage 4; Hubei Province plate 61; 62; roller 71; 72; roller 81; 82; about the climbing roller of this hydraulic power tongs is limited in ramp; want in the working range of single kind model, to enlarge again and clamp oil pipe tubing string diameter; all must when shutting down, operation adjust bridge mechanism; can proceed work; and a kind of caliber of every adaptation all will be changed component; the part kind is many; improved cost of production; frequent renewal part in the use; give operation; maintenance; management brings a lot of inconvenience; also increased site operation personnel's workload; prolonged the working time; reduced operating efficiency; dangerous accident also takes place simultaneously easily; especially in the workover treatment in cruel summer hot summer weather and severe cold winter; carry out scene adjustment to crossing bridge mechanism; not only increased operating personnel's the amount of labour; also extremely inconvenient; dangerous than higher; the patent No. is 98117762.X; patent name is the hydraulic tongs of " clamping mechanism with combined inner camber and climbing roller for hydraulic pincers "; structurally improve; can realize tightening four kinds of calibers and not change component; but this hydraulic power tongs needs to adjust the bridge mechanism of crossing on the grillage of Hubei Province in the course of the work, can realize.
Summary of the invention
The purpose of this utility model be to provide a kind of easy to use, cost is low, high efficiency, safe a kind of hydraulic tongs do not have gap bridge automatic control clamping device.
For achieving the above object, the technical scheme that the utility model adopted is: hydraulic tongs does not have gap bridge automatic control clamping device, comprise opening gear, opening gear loam cake, opening gear lower cover, along the symmetrically arranged negative camber ramp of opening gear opening direction, Hubei Province grillage, Hubei Province plate, roller, roller, it is characterized in that: the gap bridge end of described negative camber ramp is provided with automatic gap bridge arc.
Be the utility model technical scheme more specifically below:
Described Hubei Province plate is provided with feather key, and described Hubei Province grillage and corresponding position, feather key position are provided with gathering sill.
Described Hubei Province plate is provided with gets the dress screw.
The hydraulic conveyor of described hydraulic tongs is cross one another two high-voltage tubes.
Beneficial effect: the utility model adopts above technical scheme; ramp work ratio of slope according to " API " standard torque; be on American Petroleum Institute's oil pipe; unload the international standard of moment of torsion; gap bridge end at the negative camber ramp is provided with automatic gap bridge arc; in the well workover of oil field, use when the hydraulic power tongs of this device is housed; can disposablely finish from 60 millimeters tubing strings of φ to 141 millimeters tubing strings of φ; oil discharge pipe's operation; needn't carry out any adjustment again; needn't prepare the needed part of various calibers again; reduced cost; improved operating efficiency; eliminated because of the incidental accident potential of the institutional adjustment of passing a bridge; improved the safety of producing; prolonged the life-span of oil pipe effectively; when clamping φ oil pipe below 73 millimeters at hydraulic power tongs in the field operation; because of being influenced by complete machine structure, Hubei Province plate work section of stretching out causes deadlock easily; problem that can not return; be provided with feather key at E Banshang; be provided with gathering sill at Hubei Province grillage and corresponding position, feather key position; thoroughly solved deadlock; the problem of return not; work quality and fault of construction at hydraulic power tongs in the actual job; carried out the improvement of hydraulic power turnover direction; be provided with the hydraulic conveyor of cross one another two high-voltage tubes as hydraulic tongs; main pincers have been realized; the synchronous working performance of back-up tong; be provided with Hubei Province plate at E Banshang and get the dress screw; made things convenient for the dress got of Hubei Province plate when shutting down; use conveniently, improved service behaviour and operating efficiency.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1,2 is the structural representation of present hydraulic power tongs clamping device;
Accompanying drawing 3,4 is the structural representation of ramp among the utility model embodiment;
Accompanying drawing 5 is for getting the structural representation of dress screw on Hubei Province plate among the utility model embodiment;
Accompanying drawing 6,7 is the structural representation of Hubei Province plate among the utility model embodiment;
Accompanying drawing 8,9 is the structural representation of Hubei Province grillage among the utility model embodiment;
Accompanying drawing 10 is the structural representation of hydraulic conveyor among the utility model embodiment.
The specific embodiment
Specific embodiment; as Fig. 3; shown in Figure 4; hydraulic tongs does not have gap bridge automatic control clamping device; comprise opening gear 1; opening gear loam cake 2; opening gear lower cover 3; Hubei Province grillage 4; Hubei Province plate 61; 62; roller 71; 72; roller 81; 82; be symmetrically arranged with negative camber ramp 51 along opening gear 1 opening direction; 52; 53; 54; the gap bridge end of described negative camber ramp 51 is provided with automatic gap bridge arc 91; the gap bridge end of described negative camber ramp 52 is provided with automatic gap bridge arc 92; the gap bridge end of described negative camber ramp 53 is provided with automatic gap bridge arc 93; the gap bridge end of described negative camber ramp 54 is provided with automatic gap bridge arc 94; as shown in Figure 5; described Hubei Province plate 61 is provided with gets dress screw 181; described Hubei Province plate 62 is provided with gets dress screw 182; as Fig. 6; shown in 7; described Hubei Province plate 61; 62 top and bottom are equipped with feather key 16; as Fig. 8; shown in 9; be provided with gathering sill 171 with corresponding position, feather key 16 position on described Hubei Province grillage 4; 172; gathering sill 171; 172 are symmetrical arranged along opening gear 1 opening direction; as shown in figure 10; the hydraulic conveyor of described hydraulic tongs is cross one another two high-voltage tubes 121; 122; during use; hydraulic power tongs master pincers are by hydraulic power source 11; through gear combination mechanism power is passed to Hubei Province grillage 4; when Hubei Province grillage 4 rotates; drive Hubei Province plate 61; 62 carry out the motion of both forward and reverse directions thereupon; make roller 71; 72 at ramp 51; 52; 53; the domatic circumference of doing in 54 upper edges rotates; form Hubei Province plate 61; 62 entad motion; main pincers are clamped oil pipe tubing string 10 to be finished; the work of oil discharge pipe's tubing string; back-up tong is through high-pressure rubber pipe 121 by hydraulic power source 11; 122; drive the plunger tooth bar 14 in the hydraulic cylinder 13; drive profile modified gear 15 again; make plunger tooth bar 14 rectilinear motions; be converted to through profile modified gear 15 and rotatablely move; drive back-up tong Hubei Province grillage 4 through built-up gear mechanism again; realize and the synchronous positive and negative rotation of main pincers; finish and the same service behaviour of main pincers; because the diameter difference of oil pipe tubing string 10; Hubei Province plate 61; 62 entad distance just requires difference; at roller 71; 72 operating points rotate through 60 °; when passing a bridge mutually through the opening two ends; point has designed appropriate automatic gap bridge arc 91 passing a bridge; 92; 93; 94; make roller 71; no matter 72 positive and negative rotations; during through opening; the right and left is all passed a bridge automatically; do not need to shut down again to Hubei Province grillage 4 and Hubei Province plate 61; 62 manually adjust the purpose that promptly reaches gap bridge; in shutting down, carry out Hubei Province plate 61; 62 keep in repair; at Hubei Province plate 61; design Hubei Province plate on 62 and got dress screw 181; 182; adorn screw 181 as long as be screwed into to get with the same specification screw; after 182, just can be smoothly with Hubei Province plate 61; 62 take out and put into.
Claims (4)
1, hydraulic tongs does not have gap bridge automatic control clamping device, comprise opening gear (1), opening gear loam cake (2), opening gear lower cover (3), along the symmetrically arranged negative camber ramp of opening gear (1) opening direction (51,52,53,54), Hubei Province grillage (4), Hubei Province plate (61,62), roller (71,72), roller (81,82), it is characterized in that: the gap bridge end of described negative camber ramp (51,52,53,54) is provided with automatic gap bridge arc (91,92,93,94).
2, hydraulic tongs as claimed in claim 1 does not have gap bridge automatic control clamping device, it is characterized in that: described Hubei Province plate (61,62) is provided with feather key (16), and described Hubei Province grillage (4) is provided with gathering sill (171,172) with feather key (16) corresponding position, position.
3, hydraulic tongs as claimed in claim 1 or 2 does not have gap bridge automatic control clamping device, it is characterized in that: described Hubei Province plate (61,62) is provided with gets dress screw (181,182).
4, hydraulic tongs as claimed in claim 3 does not have gap bridge automatic control clamping device, it is characterized in that: the hydraulic conveyor of described hydraulic tongs is cross one another two high-voltage tubes (121,122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620086951 CN2937450Y (en) | 2006-07-21 | 2006-07-21 | Self-control clamping device without gap of hydraulic pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620086951 CN2937450Y (en) | 2006-07-21 | 2006-07-21 | Self-control clamping device without gap of hydraulic pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2937450Y true CN2937450Y (en) | 2007-08-22 |
Family
ID=38361476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620086951 Expired - Fee Related CN2937450Y (en) | 2006-07-21 | 2006-07-21 | Self-control clamping device without gap of hydraulic pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2937450Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939034A (en) * | 2013-09-24 | 2014-07-23 | 盐城特达钻采设备有限公司 | Power tongs for preventing oil field pipe from being clamped to be flat |
| CN111472699A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Back-up tong |
-
2006
- 2006-07-21 CN CN 200620086951 patent/CN2937450Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939034A (en) * | 2013-09-24 | 2014-07-23 | 盐城特达钻采设备有限公司 | Power tongs for preventing oil field pipe from being clamped to be flat |
| CN103939034B (en) * | 2013-09-24 | 2016-01-20 | 盐城特达钻采设备有限公司 | The flat oil field tubulars Power Tong of a kind of anti-pinch |
| CN111472699A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Back-up tong |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070822 Termination date: 20100721 |