CN204457729U - Pipe column tension measuring device - Google Patents
Pipe column tension measuring device Download PDFInfo
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- CN204457729U CN204457729U CN201420797765.8U CN201420797765U CN204457729U CN 204457729 U CN204457729 U CN 204457729U CN 201420797765 U CN201420797765 U CN 201420797765U CN 204457729 U CN204457729 U CN 204457729U
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- 230000003750 conditioning effect Effects 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 28
- 230000006870 function Effects 0.000 claims description 9
- 230000006386 memory function Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 238000003199 nucleic acid amplification method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013481 data capture Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a tubular column tension measuring device belongs to oil industry oil recovery engineering field. The device includes: the tension sensor comprises a fixer, a tension sensor, a signal converter and a terminal with a display function and a storage function; the fixer fixes the tension sensor on the steel wire rope at the dead rope end of the lifting device, and the signal converter is connected with the tension sensor and the terminal. The utility model discloses can improve the tensile accuracy of tubular column who acquires.
Description
Technical field
The utility model relates to petroleum industry petroleum production engineering field, particularly a kind of tubing string tension measuring device.
Background technology
At present, in the process of oil drilling and maintenance oil well, workover rig need to promote continually tubing string and under enter operation.In order to ensure safety in production, avoiding accident in oil well, needing to measure the tension force of tubing string, to avoid because overtension causes tubing string to rupture, thus ensure safety in production.
Current, measured by weight indicator in prior art and show workover rig put forward the weight of tubing string.Weight indicator is a kind of mechanical type instrument, is fixed on the wire rope of dead line end of workover rig lifting appliance by dead line anchor.Be sealed with liquid in this dead line anchor, in weight indicator measuring process, on wire rope, tension force is converted into the hydraulic pressure of liquid in this dead line anchor, and the pointer of this hydraulic-driven weight indicator indicates the size of this tension force.This Tensity size is the weight of tubing string.Technician can read the tension force of tubing string from this weight indicator.
Wherein, after the pointer of weight indicator indicates the registration of tension force, there is error when reading the registration of this tension force in technician, causes the accuracy of the tubing string tension force obtained very low.
Utility model content
In order to improve the accuracy of the tubing string tension force of acquisition, the utility model provides a kind of tubing string tension measuring device.Described technical scheme is as follows:
A kind of tubing string tension measuring device, comprising: fixator, tension pick-up, signal adapter and have the terminal of Presentation Function and memory function;
Described tension pick-up is fixed on the wire rope of lifting appliance dead line end by described fixator, and described signal adapter is connected with described tension pick-up and described terminal.
Described fixator at least comprises connecting rod, bolt, the first grip block and the second grip block;
Described bolt is arranged on the middle part of described connecting rod, and described first grip block is arranged on the side of described bolt on described connecting rod, and described second grip block is arranged on the opposite side of described bolt on described connecting rod.
Described first grip block is equal with the distance between described bolt with described second grip block with the distance between described bolt.
Described tension pick-up at least comprises bearing base, the first directive wheel and the second directive wheel;
Described first directive wheel is installed on one end of described bearing base, and described second directive wheel is installed on the other end of described bearing base.
Described first grip block and described second grip block clamp the wire rope of described lifting appliance dead line end, described wire rope is fixed on the bearing base that described tension pick-up comprises by described bolt, described wire rope is close to the first directive wheel that described tension pick-up comprises and the second directive wheel.
Described signal adapter at least comprises signal conditioning circuit plate, data collecting card and external frame;
Described signal conditioning circuit plate and described data collecting card are installed in the inside of described external frame, and described signal conditioning circuit plate is connected with described tension pick-up, and described data collecting card is connected with described terminal.
Described external frame is at least provided with the first Aviation cable plug and serial communication socket;
Described signal conditioning circuit plate is connected with described tension pick-up by described first Aviation cable plug, and described data collecting card is connected with described terminal by described serial communication socket.
Described signal adapter also comprises dc source, and described dc source is arranged on the inside of described external frame, and described dc source comprises charger and electric pressure converter;
Correspondingly, described external frame is also provided with the second Aviation cable plug, described dc source is connected with external power source by described second Aviation cable plug.
Described device also comprises dc source, and described dc source is connected with described tension pick-up and described signal adapter.
In the utility model embodiment, tension pick-up is fixed on the wire rope of lifting appliance dead line end by fixator, and signal adapter and tension pick-up and the terminal with Presentation Function and memory function are connected.The analog signal of the tension force that the wire rope that so can gather lifting appliance dead line end by tension pick-up bears, is converted to data signal by signal adapter by analog signal, is then shown the tension force of tubing string by terminal in digital form.So can improve the accuracy of the tubing string tension force of acquisition.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of tubing string tension measuring device that the utility model embodiment 1 provides;
Fig. 2 is the structural representation of the fixator that the utility model embodiment 1 provides;
Fig. 3 is the structural representation of the tension pick-up that the utility model embodiment 1 provides;
Fig. 4 is the lateral view that fixator that the utility model embodiment 1 provides is connected with tension pick-up;
Fig. 5 is the top view that fixator that the utility model embodiment 1 provides is connected with tension pick-up;
Fig. 6 is the elevation that fixator that the utility model embodiment 1 provides is connected with tension pick-up;
Fig. 7 is the structural representation of the signal adapter that the utility model embodiment 1 provides;
Fig. 8 is the connection diagram of tension pick-up, signal adapter and the terminal that the utility model embodiment 1 provides;
Fig. 9 is the structural representation of a kind of tubing string tension measuring device that the utility model embodiment 2 provides;
Figure 10 is the structural representation of the signal adapter that the utility model embodiment 2 provides;
Figure 11 is the connection diagram of tension pick-up, signal adapter, terminal and the dc source that the utility model embodiment 2 provides.
In accompanying drawing, the list of parts representated by each label is as follows:
1: fixator, 2: tension pick-up, 3: signal adapter, 4: terminal, 5: the wire rope of dead line end, 6: lifting appliance, 7: dc source,
11: bolt, 12: the first grip blocks, 13: the second grip blocks, 14: connecting rod,
21: bearing base, 22: the first directive wheels, 23: the second directive wheels,
31: signal conditioning circuit plate, 32: data collecting card, 33: external frame, 34: dc source, 35: the first Aviation cable plugs, 36: the second Aviation cable plugs, 37: serial communication socket.
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 1
The utility model embodiment provides a kind of tubing string tension measuring device, and as shown in Figure 1, this device comprises fixator 1, tension pick-up 2, signal adapter 3 and has the terminal 4 of Presentation Function and memory function;
Tension pick-up 2 is fixed on the wire rope 5 of lifting appliance 6 dead line end by fixator 1, and signal adapter 3 is connected with tension pick-up 2 and terminal 4.
Wherein, the signal output part of tension pick-up 2 is connected with the signal input part of signal adapter 2, and the signal output part of signal adapter 2 is connected with the signal input part of terminal 4.
First analog signal of the tension force that the wire rope 5 that tension pick-up 2 gathers dead line end bears, inputs to signal adapter 2 by the first analog signal.Signal adapter 2 receives the first analog signal, and to carry out filter and amplification to the first analog signal be standard signal, for convenience of explanation, the signal after filter and amplification is called the second analog signal.Second analog signal is converted to data signal by signal adapter 2, and this data signal is inputed to terminal 4.Terminal 4 receives this data signal, the tension force that the wire rope 5 showing dead line end in digital form according to this data signal bears, and stores the corresponding relation of this tension force and displaying time.
Wherein, terminal 4 has Presentation Function and memory function, can show the tension force of tubing string in digital form, and the tension force accuracy so obtained is high.And terminal 4 can store the corresponding relation of tension force and displaying time, and this corresponding relation is analyzed, draw out the time dependent change curve of tubing string tension force, so can reach the real-time Measurement & Control to tubing string tension force.The tubing string tension measuring device provided by the utility model embodiment can realize the continuous measurement to various measure tubing string tension force, and the tension signal recorded is stablized, and error is little.The antijamming capability of this device is strong, stability and safety good, there is the advantages such as simple, the easy for installation and high response of structure.
Wherein, as shown in Figure 2, fixator 1 at least comprises connecting rod 14, bolt 11, first grip block 12 and the second grip block 13;
Bolt 11 is arranged on the middle part of connecting rod 14, and the first grip block is arranged on the side (in Fig. 2 left side) of bolt 11 on connecting rod 14, and the second grip block is arranged on the opposite side (in Fig. 2 right side) of bolt 11 on connecting rod 14.
Wherein, the first grip block 12 and the second grip block 13 all keep certain distance with bolt 11.Preferably, the first grip block 12 is equal with the distance between bolt 11 with the second grip block 13 with the distance between bolt 11.Bolt 11 can be U-bolt etc.
As shown in Figure 3, tension pick-up 2 at least comprises bearing base 21, first directive wheel 22 and the second directive wheel 23;
First directive wheel 22 is installed on one end of bearing base 21, and the second directive wheel 23 is installed on the other end of bearing base 21.
Wherein, Fig. 4,5 and 6 is respectively lateral view, top view and the elevation that fixator 1 is connected with tension pick-up 2.As shown in Fig. 4,5 and 6, the first grip block 12 that fixator 1 comprises and the second grip block 13 clamp the wire rope 5 of lifting appliance 6 dead line end, this wire rope is fixed on the bearing base 21 that tension pick-up 2 comprises by the bolt 11 that fixator 1 comprises, the first directive wheel 22 and the second directive wheel 23 making this wire rope be close to tension pick-up 2 to comprise.
Wherein, include strain sensitive element (not shown in FIG.) in the first directive wheel 22 and the second directive wheel 23, the first analog signal of the tension force that the wire rope on the first directive wheel 22 and the second directive wheel 23 bears is close in the collection of strain sensitive element.
Wherein, except the first grip block 12 and the second grip block 13, fixator 1 can also comprise the 3rd grip block (not drawing in the drawings), 3rd grip block is arranged on the position of bolt 11 on connecting rod 14, for clamping wire rope thus facilitating bolt 11 that wire rope is fixed on tension pick-up 2.
Wherein, tension pick-up 2 be by three-point bending method gather wire rope bear the first analog signal of tension force.Particularly, the first directive wheel 12 that fixator 1 comprises and the second directive wheel 13 clamp wire rope respectively, make wire rope be close to 2 places of the bearing base 21 of tension pick-up 2.Wire rope is fixed on some place of the bearing base 21 of tension pick-up 2 by the bolt 11 of fixator 1.It is U-shaped bending that these three fixed points make wire rope present as shown in Figure 6, thus make the wire rope compressed downwards produce displacement and tension force, by the strain sensitive element in the first directive wheel 22 and the second directive wheel 23 collect wire rope bear the first analog signal of tension force.
Preferably, tension pick-up 2 adopts side-pressure tension sensor.
Wherein, as shown in Figure 7, signal adapter 3 comprises signal conditioning circuit plate 31, data collecting card 32, external frame 33 and dc source 34;
Signal conditioning circuit plate 31, data collecting card 32 and dc source 34 are installed in the inside of external frame 33;
Signal conditioning circuit plate 31 is connected with tension pick-up 2, and data collecting card 32 is connected with terminal 4.
Wherein, dc source 34 comprises charger and electric pressure converter (charger and electric pressure converter all do not draw in the drawings).Dc source 34 is for powering for tension pick-up 2, signal conditioning circuit plate 31 and data collecting card 32.At work, dc source 34 is connected with external ac power source, is the operating voltage of tubing string tension measuring device requirement by electric pressure converter by voltage transitions.Wherein, the voltage of dc source 34 is generally 24V.
Wherein, the signal input part of signal conditioning circuit plate 31 is connected with the signal output part of tension pick-up 2, and the signal output part of signal conditioning circuit plate 31 is connected with the signal input part of data collecting card 32.The signal output part of data collecting card 32 is connected with the signal input part of terminal 4.
Signal conditioning circuit plate 31 receives the first analog signal of the tension force that tension pick-up 2 inputs, and carrying out filter and amplification to the first analog signal is standard signal, obtains the second analog signal, and the second analog signal is inputed to data collecting card 32.The second analog signal that data collecting card 32 Received signal strength conditioning circuit board 31 inputs, second analog signal is converted to data signal, and this data signal is inputed to terminal 4, make terminal 4 carry out follow-up display tension force according to this data signal, store the operation of tension force and computing.
Wherein, signal conditioning circuit plate 31 can filter for carrying out signal the wave filter etc. amplified, and data collecting card 32 can for being converted to the analog-digital converter etc. of data signal by analog signal.
Wherein, as shown in Figure 7, external frame 33 is provided with the first Aviation cable plug 35, second Aviation cable plug 36 and serial communication socket 37;
The signal conditioning circuit plate 31 that signal adapter 3 comprises is connected with tension pick-up 2 by the first Aviation cable plug 35, the data collecting card 32 that signal adapter 3 comprises is connected with terminal 4 by serial communication socket 37, and the dc source 34 that signal adapter 3 comprises is connected with external ac power source by the second Aviation cable plug 36.
Wherein, as shown in Figure 8, the signal cable that tension pick-up 2 gathers is connected on the signal conditioning circuit plate 31 that signal adapter 3 comprises by the first Aviation cable plug 35.Communication cable is by serial communication socket 37 connection data capture card 32 and terminal 4.First analog signal of the tension force that tension pick-up 2 gathers inputs to signal conditioning circuit plate 31 by signal cable.Signal conditioning circuit plate 31 carries out filtration amplification to the first analog signal and obtains the second analog signal, and the second analog signal is inputed to data collecting card 32.Second analog signal is converted to data signal by data collecting card 32, and this data signal is inputed to terminal 4 by communication cable.Terminal 4 shows the tension force of tubing string in digital form.
Wherein, communication cable can be RS485 serial communication cable.
Wherein, as shown in Figure 8, dc source 34 connects external ac power source by the second Aviation cable plug 36, is tubing string voltage by electric pressure converter by voltage transitions, and by charger be tension pick-up 2, signal conditioning circuit plate 31 and data collecting card 32 power.
Wherein, terminal 4 can be a computer having installed tubing string tension force acquisition applications.
Wherein, during the tubing string tension measuring device using the utility model embodiment to provide in practice, first the wire rope 5 of workover rig jack up unit 6 dead line end is fixed on tension pick-up 2 by fixator 1, and allows wire rope be close to the first directive wheel 22 and the second directive wheel 23 of tension pick-up 2 rear ends.Then the signal cable of tension pick-up 2 is connected to the signal input part of signal adapter 3 by the first Aviation cable plug 35 of signal adapter 3.Secondly, use RS485 serial communication cable, the serial communication socket 37 respectively on connection signal converter 3 and the serial communication socket of terminal 4.Power switch (not shown in FIG.) on opening signal converter 3, tension pick-up 2 and signal adapter 3 are started working.During work, the pulling force of the wire rope 5 of dead line end acts on the sensing element of tension pick-up 2 by the first directive wheel 22 and the second directive wheel 23, tension pick-up 2 exports the first analog signal of tension force, by the signal conditioning circuit plate 31 in signal adapter 3, first analog signal is carried out conditioning to amplify, then input to data collecting card 32 and be converted to data signal, this data signal is measurement result.The measurement result of conversion is sent to terminal 4 by serial communication socket 37, carries out on the terminal 4 showing and storing.
In the utility model embodiment, tension pick-up is fixed on the wire rope of lifting appliance dead line end by fixator, and signal adapter and tension pick-up and the terminal with Presentation Function and memory function are connected.The analog signal of the tension force that the wire rope that so can gather lifting appliance dead line end by tension pick-up bears, is converted to data signal by signal adapter by analog signal, is then shown the tension force of tubing string by terminal in digital form.So can improve the accuracy of the tubing string tension force of acquisition.
Embodiment 2
The utility model embodiment provides a kind of tubing string tension measuring device, and as shown in Figure 9, this device comprises fixator 1, tension pick-up 2, signal adapter 3, the terminal 4 with Presentation Function and memory function and dc source 7;
Tension pick-up 2 is fixed on the wire rope 5 of lifting appliance 6 dead line end by fixator 1, and signal adapter 3 is connected with tension pick-up 2 and terminal 4, and dc source 7 is connected with tension pick-up 2 and signal adapter 3.
Wherein, the signal output part of tension pick-up 2 is connected with the signal input part of signal adapter 2, and the signal output part of signal adapter 2 is connected with the signal input part of terminal 4.
First analog signal of the tension force that the wire rope 5 that tension pick-up 2 gathers dead line end bears, inputs to signal adapter 2 by the first analog signal.Signal adapter 2 receives the first analog signal, and to carry out filter and amplification to the first analog signal be standard signal, for convenience of explanation, the signal after filter and amplification is called the second analog signal.Second analog signal is converted to data signal by signal adapter 2, and this data signal is inputed to terminal 4.Terminal 4 receives this data signal, the tension force that the wire rope 5 showing dead line end in digital form according to this data signal bears, and stores the corresponding relation of this tension force and displaying time.
Wherein, terminal 4 has Presentation Function and memory function, can show the tension force of tubing string in digital form, and the tension force accuracy so obtained is high.And terminal 4 can store the corresponding relation of tension force and displaying time, and this corresponding relation is analyzed, draw out the time dependent change curve of tubing string tension force, so can reach the real-time Measurement & Control to tubing string tension force.The tubing string tension measuring device provided by the utility model embodiment can realize the continuous measurement to various measure tubing string tension force, and the tension signal recorded is stablized, and error is little.The antijamming capability of this device is strong, stability and safety good, there is the advantages such as simple, the easy for installation and high response of structure.
Wherein, dc source 7 comprises charger and electric pressure converter (charger and electric pressure converter all do not draw in the drawings).Dc source 7 is for powering for tension pick-up 2 and signal adapter 3.At work, dc source 7 is connected with AC power, is the operating voltage of tubing string tension measuring device requirement by electric pressure converter by voltage transitions.Wherein, the voltage of dc source 7 is generally 24V.
Wherein, as shown in Figure 2, fixator 1 at least comprises connecting rod 14, bolt 11, first grip block 12 and the second grip block 13;
Bolt 11 is arranged on the middle part of connecting rod 14, and the first grip block is arranged on the side (in Fig. 2 left side) of bolt 11 on connecting rod 14, and the second grip block is arranged on the opposite side (in Fig. 2 right side) of bolt 11 on connecting rod 14.
Wherein, the first grip block 12 and the second grip block 13 all keep certain distance with bolt 11.Preferably, the first grip block 12 is equal with the distance between bolt 11 with the second grip block 13 with the distance between bolt 11.Bolt 11 can be U-bolt etc.
As shown in Figure 3, tension pick-up 2 at least comprises bearing base 21, first directive wheel 22 and the second directive wheel 23;
First directive wheel 22 is installed on one end of bearing base 21, and the second directive wheel 23 is installed on the other end of bearing base 21.
Wherein, Fig. 4,5 and 6 is respectively lateral view, top view and the elevation that fixator 1 is connected with tension pick-up 2.As shown in Fig. 4,5 and 6, the first grip block 12 that fixator 1 comprises and the second grip block 13 clamp the wire rope 5 of lifting appliance 6 dead line end, this wire rope is fixed on the bearing base 21 that tension pick-up 2 comprises by the bolt 11 that fixator 1 comprises, the first directive wheel 22 and the second directive wheel 23 making this wire rope be close to tension pick-up 2 to comprise.
Wherein, include strain sensitive element (not shown in FIG.) in the first directive wheel 22 and the second directive wheel 23, the first analog signal of the tension force that the wire rope on the first directive wheel 22 and the second directive wheel 23 bears is close in the collection of strain sensitive element.
Wherein, except the first grip block 12 and the second grip block 13, fixator 1 can also comprise the 3rd grip block (not drawing in the drawings), 3rd grip block is arranged on the position of bolt 11 on connecting rod 14, for clamping wire rope thus facilitating bolt 11 that wire rope is fixed on tension pick-up 2.
Wherein, tension pick-up 2 be by three-point bending method gather wire rope bear the first analog signal of tension force.Particularly, the first directive wheel 12 that fixator 1 comprises and the second directive wheel 13 clamp wire rope respectively, make wire rope be close to 2 places of the bearing base 21 of tension pick-up 2.Wire rope is fixed on some place of the bearing base 21 of tension pick-up 2 by the bolt 11 of fixator 1.It is U-shaped bending that these three fixed points make wire rope present as shown in Figure 6, thus make the wire rope compressed downwards produce displacement and tension force, by the strain sensitive element in the first directive wheel 22 and the second directive wheel 23 collect wire rope bear the first analog signal of tension force.
Preferably, tension pick-up 2 adopts side-pressure tension sensor.
Wherein, as shown in Figure 10, signal adapter 3 comprises signal conditioning circuit plate 31, data collecting card 32 and external frame 33;
Signal conditioning circuit plate 31 and data collecting card 32 are installed in the inside of external frame 33;
Signal conditioning circuit plate 31 is connected with tension pick-up 2, and data collecting card 32 is connected with terminal 4.
Wherein, the signal input part of signal conditioning circuit plate 31 is connected with the signal output part of tension pick-up 2, and the signal output part of signal conditioning circuit plate 31 is connected with the signal input part of data collecting card 32.The signal output part of data collecting card 32 is connected with the signal input part of terminal 4.
Signal conditioning circuit plate 31 receives the first analog signal of the tension force that tension pick-up 2 inputs, and carrying out filter and amplification to the first analog signal is standard signal, obtains the second analog signal, and the second analog signal is inputed to data collecting card 32.The second analog signal that data collecting card 32 Received signal strength conditioning circuit board 31 inputs, second analog signal is converted to data signal, and this data signal is inputed to terminal 4, make terminal 4 carry out follow-up display tension force according to this data signal, store the operation of tension force and computing.
Wherein, signal conditioning circuit plate 31 can filter for carrying out signal the wave filter etc. amplified, and data collecting card 32 can for being converted to the analog-digital converter etc. of data signal by analog signal.
Wherein, as shown in Figure 10, external frame 33 is provided with the first Aviation cable plug 35, second Aviation cable plug 36 and serial communication socket 37;
The signal conditioning circuit plate 31 that signal adapter 3 comprises is connected with tension pick-up 2 by the first Aviation cable plug 35, the data collecting card 32 that signal adapter 3 comprises is connected with terminal 4 by serial communication socket 37, and signal adapter 3 is connected with dc source 7 by the second Aviation cable plug 36.
Wherein, as shown in figure 11, the signal cable that tension pick-up 2 gathers is connected on the signal conditioning circuit plate 31 that signal adapter 3 comprises by the first Aviation cable plug 35.Communication cable is by serial communication socket 37 connection data capture card 32 and terminal 4.First analog signal of the tension force that tension pick-up 2 gathers inputs to signal conditioning circuit plate 31 by signal cable.Signal conditioning circuit plate 31 carries out filtration amplification to the first analog signal and obtains the second analog signal, and the second analog signal is inputed to data collecting card 32.Second analog signal is converted to data signal by data collecting card 32, and this data signal is inputed to terminal 4 by communication cable.Terminal 4 shows the tension force of tubing string in digital form.
Wherein, communication cable can be RS485 serial communication cable.
Wherein, as shown in figure 11, dc source 7, by the second Aviation cable plug 36 connection signal converter 3, thinks that signal adapter 3 is powered.In addition, dc source 7 is also connected with tension pick-up 2, thinks that tension pick-up 2 is powered.
Wherein, terminal 4 can be a computer having installed tubing string tension force acquisition applications.
Wherein, during the tubing string tension measuring device using the utility model embodiment to provide in practice, first the wire rope 5 of workover rig jack up unit 6 dead line end is fixed on tension pick-up 2 by fixator 1, and allows wire rope be close to the first directive wheel 22 and the second directive wheel 23 of tension pick-up 2 rear ends.Then the signal cable of tension pick-up 2 is connected to the signal input part of signal adapter 3 by the first Aviation cable plug 35 of signal adapter 3.Secondly, use RS485 serial communication cable, the serial communication socket 37 respectively on connection signal converter 3 and the serial communication socket of terminal 4.RS485 communication cable also to be used to be connected with tension pick-up 2 by dc source 7, and dc source 7 is connected with signal adapter 3.Open the power switch (not shown in FIG.) of dc source 7, then tension pick-up 2 and signal adapter 3 are started working.During work, the pulling force of the wire rope 5 of dead line end acts on the sensing element of tension pick-up 2 by the first directive wheel 22 and the second directive wheel 23, tension pick-up 2 exports the first analog signal of tension force, by the signal conditioning circuit plate 31 in signal adapter 3, first analog signal is carried out conditioning to amplify, then input to data collecting card 32 and be converted to data signal, this data signal is measurement result.The measurement result of conversion is sent to terminal 4 by serial communication socket 37, carries out on the terminal 4 showing and storing.
In the utility model embodiment, tension pick-up is fixed on the wire rope of lifting appliance dead line end by fixator, signal adapter and tension pick-up and the terminal with Presentation Function and memory function are connected, and dc source is connected with tension pick-up and signal adapter.The analog signal of the tension force that the wire rope that so can gather lifting appliance dead line end by tension pick-up bears, is converted to data signal by signal adapter by analog signal, is then shown the tension force of tubing string by terminal in digital form.So can improve the accuracy of the tubing string tension force of acquisition.
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 tubing string tension measuring device, is characterized in that, comprising: fixator, tension pick-up, signal adapter and have the terminal of Presentation Function and memory function;
Described tension pick-up is fixed on the wire rope of lifting appliance dead line end by described fixator, and described signal adapter is connected with described tension pick-up and described terminal.
2. device as claimed in claim 1, it is characterized in that, described fixator at least comprises connecting rod, bolt, the first grip block and the second grip block;
Described bolt is arranged on the middle part of described connecting rod, and described first grip block is arranged on the side of described bolt on described connecting rod, and described second grip block is arranged on the opposite side of described bolt on described connecting rod.
3. device as claimed in claim 2, it is characterized in that, described first grip block is equal with the distance between described bolt with described second grip block with the distance between described bolt.
4. device as claimed in claim 1, it is characterized in that, described tension pick-up at least comprises bearing base, the first directive wheel and the second directive wheel;
Described first directive wheel is installed on one end of described bearing base, and described second directive wheel is installed on the other end of described bearing base.
5. device as claimed in claim 2, it is characterized in that, described first grip block and described second grip block clamp the wire rope of described lifting appliance dead line end, described wire rope is fixed on the bearing base that described tension pick-up comprises by described bolt, described wire rope is close to the first directive wheel that described tension pick-up comprises and the second directive wheel.
6. device as claimed in claim 1, it is characterized in that, described signal adapter at least comprises signal conditioning circuit plate, data collecting card and external frame;
Described signal conditioning circuit plate and described data collecting card are installed in the inside of described external frame, and described signal conditioning circuit plate is connected with described tension pick-up, and described data collecting card is connected with described terminal.
7. device as claimed in claim 6, is characterized in that, described external frame is at least provided with the first Aviation cable plug and serial communication socket;
Described signal conditioning circuit plate is connected with described tension pick-up by described first Aviation cable plug, and described data collecting card is connected with described terminal by described serial communication socket.
8. device as claimed in claim 6, it is characterized in that, described signal adapter also comprises dc source, and described dc source is arranged on the inside of described external frame, and described dc source comprises charger and electric pressure converter;
Correspondingly, described external frame is also provided with the second Aviation cable plug, described dc source is connected with external power source by described second Aviation cable plug.
9. device as claimed in claim 1, it is characterized in that, described device also comprises dc source, and described dc source is connected with described tension pick-up and described signal adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797765.8U CN204457729U (en) | 2014-12-16 | 2014-12-16 | Pipe column tension measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797765.8U CN204457729U (en) | 2014-12-16 | 2014-12-16 | Pipe column tension measuring device |
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| CN204457729U true CN204457729U (en) | 2015-07-08 |
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| CN201420797765.8U Expired - Fee Related CN204457729U (en) | 2014-12-16 | 2014-12-16 | Pipe column tension measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227439A (en) * | 2018-11-07 | 2019-01-18 | 汉正检测技术有限公司 | A kind of clamping device |
| CN109723431A (en) * | 2018-11-22 | 2019-05-07 | 中国石油天然气集团有限公司 | One kind can survey tension producing well pulley gear |
-
2014
- 2014-12-16 CN CN201420797765.8U patent/CN204457729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227439A (en) * | 2018-11-07 | 2019-01-18 | 汉正检测技术有限公司 | A kind of clamping device |
| CN109723431A (en) * | 2018-11-22 | 2019-05-07 | 中国石油天然气集团有限公司 | One kind can survey tension producing well pulley gear |
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