CN204457730U - Load measuring device - Google Patents
Load measuring device Download PDFInfo
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- CN204457730U CN204457730U CN201420820422.9U CN201420820422U CN204457730U CN 204457730 U CN204457730 U CN 204457730U CN 201420820422 U CN201420820422 U CN 201420820422U CN 204457730 U CN204457730 U CN 204457730U
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- load
- measuring device
- pressure
- pressure sensor
- converter
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- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000015654 memory Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000013480 data collection Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000012546 transfer Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a load measuring device includes: the pressure sensor, the data collection station, the signal conditioner, the A/D converter, the display recorder that connect in order, pressure sensor cartridge is in the hydraulic pressure intracavity of the dead rope fixer, the utility model discloses a pressure sensor directly tests the pressure in the hydraulic pressure chamber of the dead rope fixer, gathers this pressure signal through the data collection station, and transmits to signal conditioner and A/D converter, and transmits to the display recorder, carries out record and display; because the dead line fixer is connected with a steel wire rope of the lifting system, the pressure of the hydraulic cavity can be converted to obtain the load of the pipe column born by the steel wire rope; the utility model discloses simple structure, the cost is lower, can carry out accurate test to the pressure in hydraulic pressure chamber, and the test result accessible shows recording device and shows and save in real time to for operating personnel provides the reference, prevent that the load of tubular column is too big on the wire rope and lead to the cracked occurence of failure of tubular column.
Description
Technical field
The utility model relates to pipe string of oil-water well load test field, particularly a kind of load-measuring device.
Background technology
Reservoir area, ultra-deep portion, deep is turned in recent years on a large scale along with petrol resources exploitation is operated in, due to practical operation operating mode become more complicated and severe, identify the unusual service condition of down-hole string in operation process, realize the lifting of tubing string smoothly and transfer, be reduce work accident rate, realize key measure that is efficient, safety in production.
At present, when there are abnormal conditions in pit shaft, brute force need be carried out by the Hoisting System of workover rig to the tubing string of down-hole to pull out, Hoisting System generally comprises hanging steel rope on the pulley mechanism of derrick, wire rope side is connected with the dead line anchor be fixedly installed and winch respectively, opposite side by hook and operation with tubing string be connected, drive wire rope to promote tubing string force by winch and dead line anchor, thus realize the lift effect of Hoisting System; And dead line anchor is provided with hydraulic cavities, bear the pulling force of wire rope by hydraulic cavities and exert a force to wire rope;
If the lifting pulling force of wire rope, namely the tubing string load that in pit shaft, wire rope bears, exceed the supporting capacity scope of tubing string own, the accident that tubing string will be caused to be pulled off occurs, therefore to the tubing string load that wire rope bears, carry out accurately monitoring in real time and detecting extremely important, but a kind of suitable device of shortage accurately detects wire rope institute bearing load at present.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
A kind of suitable device of current shortage accurately detects the tubing string load of bearing during rope hoisting, and the accident easily causing the excessive tubing string of load to be pulled off occurs.
Utility model content
Lack to solve prior art the problem that suitable device detects rope hoisting time institute bearing load, the utility model embodiment provides a kind of load-measuring device.Described technical scheme is as follows:
A kind of load-measuring device, be connected with the dead line anchor of workover rig, described load-measuring device comprises: pressure sensor, data acquisition unit, signal conditioner, A/D converter, display tape deck,
Described pressure sensor, described data acquisition unit, described signal conditioner, described A/D converter, described display tape deck connect in turn, described pressure sensor is inserted in the hydraulic cavities of described dead line anchor, described pressure sensor is for testing the pressure in described hydraulic cavities, and described display recording device records also shows the data of the pressure in described hydraulic cavities.
As preferably, described display tape deck comprises: wireless launcher, receiver and computer, described wireless launcher is connected with described A/D converter, and described receiver is connected with described computer, the data that described receiver transmits for receiving described wireless launcher.
Further, described load-measuring device also comprises shell body, and it is inner that described signal conditioner, described A/D converter, described wireless launcher are all arranged on described shell body.
Further, described load-measuring device also comprises memory, and it is inner that described memory is arranged on described shell body, and described memory is connected with described A/D converter.
Further, described load-measuring device also comprises antenna, and described antenna is arranged on described shell body outer wall, and described antenna is connected with described wireless launcher.
Further, described load-measuring device also comprises power supply, it is inner that described power supply is arranged on described shell body, and described power supply is all connected with described signal conditioner, described A/D converter, described wireless launcher, described memory, and described power supply is 24V dc source.
Further, described load-measuring device also comprises gauge tap, and described gauge tap is arranged on described shell body outer wall, and described gauge tap is connected with described power supply.
Further, described load-measuring device also comprises three-limb tube and pressure meter, described three-limb tube is arranged between described pressure sensor and described hydraulic cavities, and the first end of described three-limb tube and described hydraulic chamber into communication, second end and described pressure meter are tightly connected, and the 3rd end and described pressure sensor are tightly connected.
As preferably, described pressure sensor is diaphragm pressure sensing device.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model directly tests the pressure of the hydraulic cavities of dead line anchor by pressure sensor, this pressure signal is gathered by data acquisition unit, and transfer to signal conditioner and A/D converter, this signal is carried out to filter and amplification, is converted to data signal, and transfer to display tape deck, carry out recording and showing; Because dead line anchor is connected with the wire rope of Hoisting System, therefore the pressure of hydraulic cavities is by being converted to pulling force during rope hoisting, the load of namely born tubing string; The utility model structure is simple, cost is lower, can to the pressure of hydraulic cavities, namely the load of tubing string that wire rope bears accurately is tested, and test result shows in real time by display tape deck and stores, thus provide reference for operating personnel, prevent the load of tubing string on wire rope excessive and the accident that causes tubing string to rupture occurs.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the load-measuring device that the utility model embodiment provides;
Wherein: 1 dead line anchor,
2 pressure sensors,
3 data acquisition units,
4 signal conditioners,
5A/D converter,
61 wireless launchers, 62 receivers, 63 computers, 64 antennas,
7 shell bodies,
8 power supplys, 81 gauge taps
9 memories.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment one
As shown in Figure 1, the utility model embodiment provides a kind of load-measuring device, and be connected with the dead line anchor 1 of workover rig, described load-measuring device comprises: pressure sensor 2, data acquisition unit 3, signal conditioner 4, A/D converter 5, display tape deck,
Described pressure sensor 2, described data acquisition unit 3, described signal conditioner 4, described A/D converter 5, described display tape deck connect in turn, described pressure sensor 2 is inserted in the hydraulic cavities of described dead line anchor 1, described pressure sensor 2 is for testing the pressure in described hydraulic cavities, and described display recording device records also shows the data of the pressure in described hydraulic cavities.Generally that pressure in the hydraulic cavities load data after conversion is shown by display recording device records.
Wherein, the Hoisting System of workover rig, generally comprise hanging steel rope on the pulley mechanism of derrick, wire rope side is connected with the dead line anchor 1 be fixedly installed and winch respectively, opposite side arrange hook and well workover with tubing string be connected, drive wire rope to promote tubing string force by winch and dead line anchor 1, thus realize the lift effect of Hoisting System; And dead line anchor 1 is provided with hydraulic cavities, bear the pulling force of wire rope by hydraulic cavities and exert a force to wire rope;
Because oil well is darker, the tubing string quantity connected in turn of down-hole is also thereupon more, when needed, the wire rope of Hoisting System is connected with a certain endowel and promotes, thus all tubing strings of whole down-hole are all promoted together, now, the pulling force of the lifting of wire rope is not monitored, and the tubing string easily causing wire rope to be sling is too many, and weight is too large, the pulling force that the nearer tubing string leaned on wire rope bears is larger, and the possibility be pulled off is larger;
The utility model directly tests the pressure of the hydraulic cavities of dead line anchor 1 by pressure sensor 2, this pressure signal is gathered by data acquisition unit 3, and transfer to signal conditioner 4 and A/D converter 5, this signal is carried out to filter and amplification, is converted to data signal, and transfer to display tape deck, carry out recording and showing; Because dead line anchor 1 is connected with the wire rope of Hoisting System, therefore the pressure of hydraulic cavities is by being converted to the pulling force of wire rope, is then converted to the load of the tubing string that wire rope bears; The utility model structure is simple, cost is lower, can to the pressure of hydraulic cavities, namely the load of tubing string that wire rope bears accurately is tested, and test result shows in real time by display tape deck and stores, thus provide reference for operating personnel, prevent the load of tubing string on wire rope excessive and the accident that causes tubing string to rupture occurs.
Embodiment two
As shown in Figure 1, the utility model embodiment provides a kind of load-measuring device, and be connected with the dead line anchor 1 of workover rig, described load-measuring device comprises: pressure sensor 2, data acquisition unit 3, signal conditioner 4, A/D converter 5, display tape deck,
Described pressure sensor 2, described data acquisition unit 3, described signal conditioner 4, described A/D converter 5, described display tape deck connect in turn, described pressure sensor 2 is inserted in the hydraulic cavities of described dead line anchor 1, described pressure sensor 2 is for testing the pressure in described hydraulic cavities, and described display recording device records also shows the data of the pressure in described hydraulic cavities.
As shown in Figure 1, as preferably, described display tape deck comprises: wireless launcher 61, receiver 62 and computer 63, described wireless launcher 61 is connected with described A/D converter 5, described receiver 62 is connected with described computer 63, the data that described receiver 62 transmits for receiving described wireless launcher 61.
Wherein, display tape deck implementation has multiple, as long as it can realize the function showing and record, record and display instrument can be adopted, also can be the computer 63 of band memory function, itself and A/D converter 5 carry out data transmission by wireless launcher 61, receiver 62, also directly can connect, carry out wire transmission.Computer 63 can also install related software, aggregation process is carried out to the various data that transmission comes, the change curve etc. of pressure data can be obtained, and to surveyed data analysis process, instruct job safety efficiently to carry out.
As shown in Figure 1, further, described load-measuring device also comprises shell body 7, and it is inner that described signal conditioner 4, described A/D converter 5, described wireless launcher 61 are all arranged on described shell body 7.
As shown in Figure 1, further, described load-measuring device also comprises memory 9, and it is inner that described memory 9 is arranged on described shell body 7, and described memory 9 is connected with described A/D converter 5.Memory 9 also can be storage card, and the data that A/D converter 5 transmits can back up by it, proofreads after being convenient to.
As shown in Figure 1, further, described load-measuring device also comprises antenna 64, and described antenna 64 is arranged on described shell body 7 outer wall, and described antenna 64 is connected with described wireless launcher 61.
As shown in Figure 1, further, described load-measuring device also comprises power supply 8, it is inner that described power supply 8 is arranged on described shell body 7, and described power supply 8 is all connected with described signal conditioner 4, described A/D converter 5, described wireless launcher 61, described memory 9, described power supply 8 is 24V dc source 8.
As shown in Figure 1, further, described load-measuring device also comprises gauge tap 81, and described gauge tap 81 is arranged on described shell body 7 outer wall, and described gauge tap 81 is connected with described power supply 8.
Wherein, for ease of the installation of each parts, by above each component models process, a shell body 7 can be set, the component integrations such as signal conditioner 4, A/D converter 5, wireless launcher 61, power supply 8 is inner at shell body 7, during use, directly this integrated module is brought and connect application, actual extremely easy to use, and, take volume little, convenient operation, implement safety.
Further, described load-measuring device also comprises three-limb tube and pressure meter, described three-limb tube is arranged between described pressure sensor 2 and described hydraulic cavities, and the first end of described three-limb tube and described hydraulic chamber into communication, second end and described pressure meter are tightly connected, and the 3rd end and described pressure sensor 2 are tightly connected.
Wherein, three-limb tube is connected with hydraulic chamber into communication, pressure sensor 2, pressure meter respectively, on the one hand by this snap joint of three-limb tube, realize the detection parts such as pressure sensor 2, pressure meter to be connected with the quick of hydraulic cavities, on the other hand, the setting of three-limb tube can on pressure sensor 2 basis, additional pressure meter, the two is independent of each other, can to the accurate multi-faceted detection of pressure, and pressure meter can adopt driller's weight indicator.
As preferably, described pressure sensor 2 is diaphragm pressure sensing device 2.
During use, first the utility model is passed through three-limb tube, be connected in dead line anchor 1 hydraulic cavities on winch side under derrick, then opening gauge tap 81 makes the utility model in running order, now start winch upper lifting pipe post and keep about 30 seconds, make diaphragm type pressure sensor 2 record the demarcation hydraulic pressure value at a dead line anchor 1 hydraulic cavities place, and record the drill string weight of driller's weight indicator display.Transfer tubing string after having recorded and carry out lower tubular column operation, in operation process, the hydraulic pressure value of dead line anchor 1 hydraulic cavities can produce fluctuation with the change of tubing string weight, this hydraulic pressure value is transferred to data acquisition unit 3 by diaphragm type pressure sensor 2, and be passed to the process that signal conditioner 4 carries out load information, after completing, the analog signal of diaphragm type pressure sensor 2 is converted into numerical signal by A/D converter 5 by one side, the transmission of signal is outwards carried out through wireless launcher 61 and external transmitting antenna 64, the metrical information processed through signal conditioner 4 on the other hand can be sent to built-in value storage 9 and store, be convenient to the backup to survey data and check comparison, improve the accuracy of metrical information.The information sent via external transmitting antenna 64 is received by the wireless receiver 62 showing tape deck, by display tape deck, last aggregation process is carried out to survey data again, obtain load data and change curve in operation process, and to measured data analysis process, instruct job safety to carry out efficiently; Survey data double copies are to avoid the distorted signals of loss of data and wireless transmission process, less by signal errors measured by the load monitoring method of hydraulic way, and the linearity better, system rejection to disturbance ability is strong, stability is better.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a load-measuring device, is connected with the dead line anchor of workover rig, it is characterized in that, described load-measuring device comprises: pressure sensor, data acquisition unit, signal conditioner, A/D converter, display tape deck,
Described pressure sensor, described data acquisition unit, described signal conditioner, described A/D converter, described display tape deck connect in turn, described pressure sensor is inserted in the hydraulic cavities of described dead line anchor, described pressure sensor is for testing the pressure in described hydraulic cavities, and described display recording device records also shows the data of the pressure in described hydraulic cavities.
2. load-measuring device according to claim 1, it is characterized in that, described display tape deck comprises: wireless launcher, receiver and computer, described wireless launcher is connected with described A/D converter, described receiver is connected with described computer, the data that described receiver transmits for receiving described wireless launcher.
3. load-measuring device according to claim 2, is characterized in that, described load-measuring device also comprises shell body, and it is inner that described signal conditioner, described A/D converter, described wireless launcher are all arranged on described shell body.
4. load-measuring device according to claim 3, is characterized in that, described load-measuring device also comprises memory, and it is inner that described memory is arranged on described shell body, and described memory is connected with described A/D converter.
5. load-measuring device according to claim 3, is characterized in that, described load-measuring device also comprises antenna, and described antenna is arranged on described shell body outer wall, and described antenna is connected with described wireless launcher.
6. load-measuring device according to claim 4, it is characterized in that, described load-measuring device also comprises power supply, it is inner that described power supply is arranged on described shell body, and described power supply is all connected with described signal conditioner, described A/D converter, described wireless launcher, described memory, described power supply is 24V dc source.
7. load-measuring device according to claim 6, is characterized in that, described load-measuring device also comprises gauge tap, and described gauge tap is arranged on described shell body outer wall, and described gauge tap is connected with described power supply.
8. the load-measuring device according to any one of claim 1-7, it is characterized in that, described load-measuring device also comprises three-limb tube and pressure meter, described three-limb tube is arranged between described pressure sensor and described hydraulic cavities, and the first end of described three-limb tube and described hydraulic chamber into communication, second end and described pressure meter are tightly connected, and the 3rd end and described pressure sensor are tightly connected.
9. load-measuring device according to claim 8, is characterized in that, described pressure sensor is diaphragm pressure sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820422.9U CN204457730U (en) | 2014-12-19 | 2014-12-19 | Load measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820422.9U CN204457730U (en) | 2014-12-19 | 2014-12-19 | Load measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457730U true CN204457730U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420820422.9U Expired - Fee Related CN204457730U (en) | 2014-12-19 | 2014-12-19 | Load measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204457730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858318A (en) * | 2021-02-03 | 2022-08-05 | 中国石油天然气集团有限公司 | Wireless injection head load calibrator |
-
2014
- 2014-12-19 CN CN201420820422.9U patent/CN204457730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858318A (en) * | 2021-02-03 | 2022-08-05 | 中国石油天然气集团有限公司 | Wireless injection head load calibrator |
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| Date | Code | Title | Description |
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| 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: 20150708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |