CN202442929U - Full-size split make-and-break test system for petroleum pipes - Google Patents
Full-size split make-and-break test system for petroleum pipes Download PDFInfo
- Publication number
- CN202442929U CN202442929U CN2012200494440U CN201220049444U CN202442929U CN 202442929 U CN202442929 U CN 202442929U CN 2012200494440 U CN2012200494440 U CN 2012200494440U CN 201220049444 U CN201220049444 U CN 201220049444U CN 202442929 U CN202442929 U CN 202442929U
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- power tongs
- full
- test system
- base
- break test
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Abstract
The utility model belongs to the technical field of equipment for studying and testing thread performance of pipe connectors, particularly relates to a full-size split make-and-break test system for petroleum pipes and aims at solving the problem that the test standard requirements cannot be met in the prior art. For solving the problems existing in the prior art, the technical scheme is that the full-size split make-and-break test system for the petroleum pipes comprises a power tongs assembly, a pair of back-up tongs and a control box, wherein the power tongs assembly comprises a base, a pair of power tongs and two pairs of steel channel columns arranged on the base. The power tongs is connected with each pair of steel channel columns through traction ropes, a load bearing column is arranged on the base on the outer side of the axis of two pairs of steel channel arms, and a cantilever is fixedly and horizontally arranged on the load bearing column. A pulley assembly is arranged on the cantilever, a counter weight block is arranged at one end of a steel wire rope in the pulley assembly, and the other end of the steel wire rope is connected with the power tongs. Load sensors are arranged on the traction ropes. The full-size split make-and-break test system can have various purposes including experiment, detection, scientific research and the like.
Description
Technical field
Tube connector screw thread performance study and testing apparatus technical field under the utility model are specifically related to a kind of full-scale split type make-and-break test system of oil country tubular goods.
Background technology
In the petroleum drilling and mining process, petroleum pipeline is absolutely necessary, and the main effect of sleeve pipe is to reinforce the borehole wall, protection well, isolated brine layer, forms the reliable passage from the oil reservoir to ground, is beneficial to annotate, and adopts and produces and borehole operation.For this reason need be single petroleum pipeline through being threaded into thousands of meters string of casing, and require the tubing screw thread can repeat repeatedly to go up shackle in using.Simultaneously; The As China's oil industrial expansion; The oil gas well of harsh working conditions such as deep-well, ultra deep well, high-pressure gas well, hp-ht well is more and more, and these wells are increasingly high to the performance and the quality requirements of oil country tubular goods, also press for the more novel tube screw thread of performance kind.In the exploitation of novel tube screw thread; In order accurately to reflect tubing screw thread service condition and inefficacy operating mode; Scientifically estimate out the ultimate bearing capacity and the applicability of tubing screw thread; Need set up the full-scale make-and-break test of cover system, simulation under the oil field in oil, the sleeve pipe operation, oil, casing threads stressing conditions and contingent thread failure situation partly; Be used for obtaining the oil country tubular goods joint at mechanical property parameters such as the stress intensity of last shackle process, distributions, produce sticking head and failure reasons so that analyze tubing.At present state, inside and outside make-and-break test system mainly adopt the monoblock type tong; It is to be converted by the on-the-spot make-up tong that uses in oil field; Have following problem as its function of experimental facilities: 1, the distance between Power Tong and the back-up tong is shorter, and shackle is not easy to operate in feasible float upward shackle and the strain measurement; 2, Power Tong can not be moved by easy on and off by the restriction of general frame in last shackle process, easily the sample screw thread is produced additional axial load, influences test findings; 3 limit by the space between Power Tong and the back-up tong, can't observe and measure the position on the buckle of sample.Because the existence of these problems, the monoblock type make-up tong can not satisfy the requirement of make-and-break test standard at present.
The utility model content
The utility model provides the full-scale split type make-and-break test of a kind of oil country tubular goods system, overcoming inconvenient operation that prior art exists and can't satisfy the test standard requirement, thereby can not carry out the problem that full-scale performance is estimated to oil country tubular goods.
For overcoming the problem that prior art exists; The technical scheme that the utility model adopted is: the full-scale split type make-and-break test of a kind of oil country tubular goods system, comprise power tongs assembly, back-up tong and control box, and wherein comprise base, power tongs in the power tongs assembly and be arranged at two pairs of channel columns on the base; Be connected with traction rope between power tongs and every pair of channel column; Its special character is: the base in the axis outside of said two pairs of channel-section steel arms is provided with load-bearing pillar, and level is installed with cantilever on the load-bearing pillar, and cantilever is provided with pulley assembly; Wire rope one end in the pulley assembly is provided with balancing weight, and the other end is connected with power tongs; Said traction rope is provided with load transducer.
Compared with prior art, the utility model has the advantages that:
1, divides the body overhang vertical structure; Power tongs and back-up tong are independently installed, and can be according to specimen length, the two metric space of free adjustment; Be convenient to operations such as position on the buckle observation, physical dimension and strain measurement, can satisfy multiple uses such as experiment, detection, scientific research.
2, Power Tong is suspended in midair by the cantilever suspension bracket; And is furnished with balancing weight; Make and go up in the shackle process; Realize between Power Tong and the back-up tong moving freely, effectively eliminate hydraulic power tong in the process of the test because the additional axial force that the double thread that can't easy on and off floats produces, go up, shackle process steadily can guarantee the accuracy that moment of torsion detects.
3, but the Power Tong easy on and off in the utility model floats, and oil, casing coupling is connected sample can realize floating going up and buckle and every end is upward buckled respectively.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Description of reference numerals is following:
1,Base, 2, back-up tong, 3, power tongs, 4, load-bearing pillar, 5, balancing weight, 6, the cantilever suspension bracket, 7, wire rope, 8, the channel-section steel arm, 9, base, 10, load transducer.
Embodiment:
Under meet personally and combine accompanying drawing that the utility model is at length explained.
Referring to Fig. 1; The full-scale split type make-and-break test of a kind of oil country tubular goods system comprises power tongs assembly, back-up tong 2 and control box, wherein comprises base 1, power tongs 3 in the power tongs assembly and is arranged at two pairs of channel columns 8 on the base 1; Be connected with traction rope 9 between power tongs and every pair of channel column; Its special character is: the base in the axis outside of said two pairs of channel-section steel arms is provided with load-bearing pillar 4, and level is installed with cantilever 6 on the load-bearing pillar 4, and cantilever 6 is provided with pulley assembly; Wire rope one end in the pulley assembly is provided with balancing weight 5, and the other end is connected with power tongs 3; Said traction rope 9 is provided with load transducer 10.
Process of the test is following:
Back-up tong 2 jaws are opened, uprightly be fixed in sample body one end in the back-up tong 2.
Height through pulley assembly adjusting power tongs 3 makes the other end of sample body fixedly place power tongs 3.
The tong 3 that turns on the power rotates the binding clip gear, produces rotating speed, thereby drives body or joint rotation, sample is gone up buckled or shackle is operated.
Set last automatically, shackle control under the torque conditions through the control box supervisory system; Through synchronous acquisition, record and the chart output of the torque value under the load transducer 10 collection setting rotating speeds, rotating speed, the number of turns, the strain measurement in the process that also can make an experiment.
Claims (1)
1. the full-scale split type make-and-break test system of an oil country tubular goods; Comprise power tongs assembly, back-up tong (2) and control box; Wherein comprise base (1), power tongs (3) in the power tongs assembly and be arranged at the two pairs of channel columns (8) on the base (1); Be connected with traction rope (9) between power tongs (3) and the every pair of channel column (8); It is characterized in that: the base in the axis outside of said two pairs of channel columns (8) is provided with load-bearing pillar (4), and load-bearing pillar (4) is gone up level and is installed with cantilever (6), and cantilever (6) is provided with pulley assembly; Wire rope one end in the pulley assembly is provided with balancing weight (5), and the other end is connected with power tongs (3); Said traction rope (9) is provided with load transducer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200494440U CN202442929U (en) | 2012-02-16 | 2012-02-16 | Full-size split make-and-break test system for petroleum pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200494440U CN202442929U (en) | 2012-02-16 | 2012-02-16 | Full-size split make-and-break test system for petroleum pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442929U true CN202442929U (en) | 2012-09-19 |
Family
ID=46824373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200494440U Expired - Fee Related CN202442929U (en) | 2012-02-16 | 2012-02-16 | Full-size split make-and-break test system for petroleum pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202442929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980804A (en) * | 2012-11-16 | 2013-03-20 | 无锡蓝海船舶舾装设备有限公司 | Test stand of chain-link clamping device |
-
2012
- 2012-02-16 CN CN2012200494440U patent/CN202442929U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980804A (en) * | 2012-11-16 | 2013-03-20 | 无锡蓝海船舶舾装设备有限公司 | Test stand of chain-link clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20160216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |