CN211627069U - Tank car sampler - Google Patents
Tank car sampler Download PDFInfo
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- CN211627069U CN211627069U CN202020139176.6U CN202020139176U CN211627069U CN 211627069 U CN211627069 U CN 211627069U CN 202020139176 U CN202020139176 U CN 202020139176U CN 211627069 U CN211627069 U CN 211627069U
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Abstract
A tank car sampler comprises a sampling device and a sampling platform arranged at the top of a tank car, wherein the sampling platform is provided with a frame and a sampling hose, and a cross centering mechanism is arranged below the frame; a hoisting mechanism and a guide wheel are arranged on the frame, the sampling hose bypasses the guide wheel, and a heavy hammer is arranged at the sampling port of the sampling hose; the winding mechanism comprises a winding drum, one rotating shaft of the winding drum is a hollow shaft, the inner end of the hollow shaft is connected with the sampling hose, the outer end of the hollow shaft is provided with a rotary joint which is rotatably connected with the hollow shaft, and the rotary joint is provided with an external pipe joint communicated with the hollow shaft; the sampling device comprises a sampling main pipe, a circulating pipe, a sample outlet pipe and a three-way control valve, wherein the sampling main pipe is connected with an external pipe connector, the sampling device is provided with a storage tank, the circulating pipe is connected with the storage tank, and the storage tank is provided with a return pipe; an oil receiving mechanism is arranged below the hoisting mechanism on the frame. The utility model discloses can improve work efficiency, shorten the sample time, improve the sample precision, reduce intensity of labour.
Description
Technical Field
The utility model relates to a sampling device, especially a tank car sampler.
Background
With the popularization and application of industrial automation in petrochemical enterprises, the requirement on automatic control of fluid storage and transportation equipment is higher and higher, but most of the existing tank trucks are used for manual sampling, the operation environment is poor, the safety guarantee is low, the labor intensity is high, and the alignment time is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to prior art provides a reasonable in design, convenient operation, safe and reliable's tank car sampler.
The utility model aims to solve the technical problem that the utility model is realized by the following technical proposal, the utility model is a tank car sampler, which is characterized in that the utility model comprises a sampling device and a sampling platform arranged on the top of the tank car;
the sampling platform is provided with a frame and a sampling hose, a cross centering mechanism which is convenient for finding the tank opening is arranged below the frame,
a hoisting mechanism for winding the sampling hose is arranged on the frame, a guide wheel for the sampling hose is arranged on the frame at the front part of the hoisting mechanism, the sampling hose bypasses the guide wheel, a heavy hammer for driving the sampling hose to hang into the tank body is fixed at the sampling port part of the sampling hose,
the winding mechanism comprises a winding drum, one of the rotating shafts of the winding drum is a hollow shaft, the inner end of the hollow shaft is connected with the sampling hose, the outer end of the hollow shaft is provided with a rotary joint which is rotatably connected with the hollow shaft, the rotary joint is provided with an external pipe joint which is communicated with the hollow shaft,
the sampling device comprises a sampling main pipe, a circulating pipe and a sample outlet pipe, wherein the sampling main pipe, the circulating pipe and the sample outlet pipe are connected through a three-way control valve, the sample outlet pipe is provided with a sample outlet, the sampling main pipe is connected with the external pipe joint, and a sampling circulating pump is arranged on the sampling main pipe close to the three-way control valve;
the sampling device is provided with a storage tank for temporary storage, the circulating pipe is connected with the storage tank, the storage tank is provided with a return pipe for pumping fluid in the storage tank back to the tank car, and the return pipe is provided with a return circulating pump;
an oil receiving mechanism is arranged below the hoisting mechanism on the frame.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, above the tank car sampler in: the oil receiving mechanism comprises an oil receiving disc and an oil receiving disc follow-up lifting mechanism;
the oil receiving disc follow-up lifting mechanism comprises a lifting plate, the lifting plate and the oil receiving disc are arranged in parallel and horizontally, the inner side of the lifting plate is fixedly connected with the oil receiving disc through a vertical connecting arm,
the lifting plate comprises a lifting part and a connecting part, the lifting part is used for realizing the lifting of the oil receiving disc by the matching of a heavy hammer, the connecting part is connected with the connecting arm, the connecting part is flush with the oil receiving disc, the lifting part is positioned at the outer side of the oil receiving disc,
a parallel four-bar linkage mechanism which is hinged with the connecting arm and keeps the oil receiving disc horizontally extending and lifting along with the lifting plate is arranged on the rack below the hoisting mechanism;
the lifting part is provided with a long groove for the sampling hose to pass through, and the long groove extends to the connecting part to form a sliding groove for the sampling hose to move when the lifting plate horizontally extends out for lifting.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, above the tank car sampler in: the sampling main pipe between the three-way control valve and the sample injection circulating pump is provided with a nitrogen bubbling pipe connected with an air source, and the nitrogen bubbling pipe is provided with a valve.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, above the tank car sampler in: the cross centering mechanism comprises a base, a middle sliding seat and an upper sliding seat, wherein slideways are arranged between the base and the middle sliding seat and between the middle sliding seat and the upper sliding seat, and the two slideways are arranged in a cross manner.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, above the tank car sampler in: the guide wheel is arranged on the rack through a support frame, and a gravity sensor is arranged between the support frame and the rack.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, above the tank car sampler in: the parallel four-bar linkage mechanism comprises vertical arms fixed on the rack, and the vertical arms are hinged with the connecting arms through an upper group of parallel arms and a lower group of parallel arms with equal length.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the cross centering mechanism, the time for aligning the sampling platform with the tank car can be shortened, and the labor intensity of operators is reduced; the weight can provide gravity for the sampling hose and straighten the hose, so that the working efficiency is effectively improved, and the accuracy of a sample is improved; the arranged storage tank can temporarily store a sample, and the sample is conveyed back to the tank car through the return pipe, so that the sampling time is further shortened, and the working efficiency is improved; the oil receiving disc can ascend along with the ascending of the heavy hammer by arranging the oil receiving disc and the oil receiving disc lifting mechanism, and meanwhile, fluid dropping from the heavy hammer is collected; when the heavy hammer descends, the oil receiving mechanism descends along with the gravity of the oil receiving mechanism; the labor intensity of operators is further reduced, and the working environment and the safety guarantee are improved;
(2) after the gravity sensor who sets up can respond to the weight contact liquid level, the gravity of weight changes, judges the high position of sample simultaneously, improves the precision of sample.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the oil receiving mechanism of the present invention;
FIG. 3 is a schematic view of a pipeline of the sampling device of the present invention;
in the figure: 1. a sampling device; 2. a frame; 3. a sampling hose; 4. a cross centering mechanism; 5. a guide wheel; 6. a weight; 7. a reel; 8. a rotary joint; 9. an external pipe joint; 10. a sampling header pipe; 11. a circulation pipe; 12. a sample outlet pipe; 13. a three-way control valve; 14. a sample introduction circulating pump; 15. a storage tank; 16. a return pipe; 17. a reflux circulation pump; 18. an oil receiving pan; 19. lifting the plate; 20. a connecting arm; 21. a nitrogen bubbling tube; 22. a valve; 23. a vertical arm.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Embodiment 1, referring to fig. 1 to 3, a tanker sampler comprises a sampling device 1 and a sampling platform arranged on the top of a tanker;
the sampling platform is provided with a frame 2 and a sampling hose 3, a cross centering mechanism 4 which is convenient for finding a tank opening is arranged below the frame 2,
a hoisting mechanism for winding the sampling hose 3 is arranged on the frame 2, a guide wheel 5 for the sampling hose 3 is arranged on the frame 2 at the front part of the hoisting mechanism, the sampling hose 3 bypasses the guide wheel 5, and a heavy hammer 6 for driving the sampling hose 3 to hang into the tank body is fixed at the sampling port of the sampling hose 3; the sampling hose 3 is also provided with a buoyancy barrel;
the winding mechanism comprises a winding drum 7, one rotating shaft of the winding drum 7 is a hollow shaft, the inner end of the hollow shaft is connected with the sampling hose 3, the outer end of the hollow shaft is provided with a rotary joint 8 which is rotatably connected with the hollow shaft, and the rotary joint 8 is provided with an external pipe joint 9 communicated with the hollow shaft; the external pipe joint 9 is fixed on the frame 2 through a joint bracket; the sampling hose 3 can be fixed, so that the sampling hose 3 is prevented from being wound in a mess, and the sampling efficiency is improved;
the sampling device 1 comprises a sampling main pipe 10, a circulating pipe 11 and a sample outlet pipe 12, wherein the sampling main pipe 10, the circulating pipe 11 and the sample outlet pipe 12 are connected through a three-way control valve 13, the sample outlet pipe 12 is provided with a sample outlet, the sampling main pipe 10 is connected with the external pipe joint 9, and a sample inlet circulating pump 14 is arranged on the sampling main pipe 10 close to the three-way control valve 13;
the sampling device 1 is provided with a storage tank 15 for temporary storage, the circulating pipe 11 is connected with the storage tank 15, the storage tank 15 is provided with a return pipe 16 for drawing fluid in the storage tank 15 back to the tank car, and the return pipe 16 is provided with a return circulating pump 17; the storage tank 15 is arranged to temporarily store the sample, and then the sample is conveyed back to the tank car through the return pipe 16, so that the waste of redundant samples is avoided; a liquid level detector is also arranged in the storage tank 15, when a sample in the storage tank 15 reaches a liquid level set value I, the sample can be conveyed back into the tank car through a return pipe 16, so that the sampling time can be shortened, the repeated work is avoided, and the working efficiency is improved;
an oil receiving mechanism is arranged below the hoisting mechanism on the frame 2.
Example 2, in the tanker sampler described in example 1: the oil receiving mechanism comprises an oil receiving disc 18 and an oil receiving disc follow-up lifting mechanism;
the oil receiving disc follow-up lifting mechanism comprises a lifting plate 19, the lifting plate 19 and the oil receiving disc 18 are arranged in parallel and horizontally, the inner side of the lifting plate 19 is fixedly connected with the oil receiving disc 18 through a vertical connecting arm 20,
the lifting plate 19 comprises a lifting part which is used for matching the heavy hammer 6 to lift the oil receiving disc 18 and a connecting part which is connected with the connecting arm 20 and is flush with the oil receiving disc 18, the lifting part is positioned at the outer side of the oil receiving disc 18,
a parallel four-bar linkage mechanism which is hinged with the connecting arm 20 and keeps the oil receiving disc horizontally extending and lifting along with the lifting plate 19 is arranged on the frame 2 below the hoisting mechanism;
the lifting part is provided with a long groove for the sampling hose 3 to pass through, and the long groove extends to the connecting part to form a sliding groove for the sampling hose 3 to move when the lifting plate 19 horizontally extends out and lifts;
by providing the drip pan 18 and the drip pan lifting mechanism, the drip pan 18 can be lifted up with the lifting of the weight 6, and the fluid dropping from the weight 6 can be collected; when the heavy hammer 6 descends, the oil receiving mechanism descends along with the gravity of the oil receiving mechanism;
a sampling main pipe 10 between a three-way control valve 13 and a sample introduction circulating pump 14 is provided with a nitrogen bubbling pipe 21 connected with a gas source, and the nitrogen bubbling pipe 21 is provided with a valve 22; when sampling is completed, residual fluid in the three-way control valve 13 and the sampling main pipe 10 can be conveyed back into the tank body through the nitrogen bubbling pipe 21 and the valve 22, and meanwhile, a clean pipeline is provided for next sampling;
the cross centering mechanism 4 comprises a base, a middle sliding seat and an upper sliding seat, wherein slideways are arranged between the base and the middle sliding seat and between the middle sliding seat and the upper sliding seat, and the two slideways are arranged in a cross manner. The cross centering mechanism is a combined sliding table formed by combining two groups of linear sliding tables according to the X-axis direction and the Y-axis direction, and is generally called as a coordinate axis sliding table and an XY axis sliding table; the lower parts of the middle sliding seat and the upper sliding seat are respectively provided with a corresponding cylinder; the labor intensity of operators is reduced;
the guide wheel 5 is arranged on the frame 2 through a support frame, and a gravity sensor is arranged between the support frame and the frame 2; the gravity sensor can sense the gravity change of the heavy hammer 6 after the heavy hammer 6 contacts the liquid level, and meanwhile, the height position of sampling is judged, so that the sampling accuracy is improved;
the parallel four-bar linkage mechanism comprises a vertical arm 22 fixed on the frame 2, and the vertical arm 22 is hinged with the connecting arm 20 through an upper group of parallel arms and a lower group of parallel arms with equal length;
after the tank car finishes filling, the concrete working process of taking a sample is as follows:
the worker operates the cross centering mechanism 4 to align the sampling platform to the tank car filling opening;
top sample: the hoisting mechanism is started, the sampling main pipe 10 is communicated with the circulating pipe 11 through the three-way control valve 13, the winding drum 7 puts down the sampling hose 3, and the sampling hose 3 descends along with the heavy hammer 6 to enter the irrigation opening and the liquid level; when the gravity sensor detects that the gravity changes to a gravity set value I, stopping the hoisting mechanism, and carrying out first sampling; at the moment, the sampling circulating pump 14 is started, after the sampling circulating pump 14 runs for a period of time, the upper fluid flows through the three-way control valve 13 to the storage tank 15, the sampling main pipe 10 is filled with the fluid corresponding to the liquid level, and the three-way control valve 13 is controlled to communicate the sampling main pipe 10 with the sample outlet pipe 12, so that the sampling of the upper sample is completed; then the three-way control valve 13 is communicated with the sampling main pipe 10 and the circulating pipe 11; a valve 22 on the nitrogen bubbling pipe 21 is opened, and fluid remained in the three-way control valve 13 and the sampling main pipe 10 is conveyed back to the tank car;
bottom sample preparation: after sampling of the upper sample is completed, the hoisting mechanism is started, and the sampling hose 3 continues to descend along with the heavy hammer 6 until the bottom of the tank; when the gravity sensor detects that the gravity changes to a gravity set value II, the hoisting mechanism stops, and secondary sampling is carried out: at the moment, the sampling circulating pump 14 is started, after the sampling circulating pump 14 operates for a period of time, bottom fluid flows through the three-way control valve 13 to the storage tank 15, the sampling main pipe 10 is filled with the fluid repelling the bottom of the tank bottom, the three-way control valve 13 is controlled to communicate the sampling main pipe 10 with the sample outlet pipe 12 to finish sampling of the bottom sample, and then the three-way control valve 13 is communicated with the sampling main pipe 10 and the circulating pipe 11; a valve 22 on the nitrogen bubbling pipe 21 is opened, and fluid remained in the three-way control valve 13 and the sampling main pipe 10 is conveyed back to the tank car;
middle sample: after sampling of the bottom sample is completed, the hoisting mechanism is started, and the sampling hose 3 ascends to the liquid level and the middle position of the tank bottom along with the heavy hammer 6; stopping the hoisting mechanism, and sampling for the third time: at the moment, the sampling circulating pump 14 is started, after the sampling circulating pump 14 operates for a period of time, the middle fluid flows through the three-way control valve 13 to the storage tank 15, the sampling main pipe 10 is filled with the fluid corresponding to the liquid level, the three-way control valve 13 is controlled to communicate the sampling main pipe 10 with the sample outlet pipe 12 to finish sampling of the middle sample, and then the three-way control valve 13 is controlled to communicate the sampling main pipe 10 with the circulating pipe 11;
after sampling is finished, the hoisting mechanism starts to withdraw the sampling hose 3, the heavy hammer 6 moves upwards, the heavy hammer 6 abuts against the lower part of the lifting plate 19, and the lifting plate 19 is pulled up; the lifting plate 19 moves upwards along with the heavy hammer 6, the included angle between the connecting arm 20 and the parallel arm is increased, the lifting plate 19 drives the oil receiving disc 18, the sampling hose 3 slides to the sliding groove from the long groove, the oil receiving disc 18 extends out, and fluid dropping from the heavy hammer 6 is collected;
a liquid level detector in the storage tank 15 detects that the sample in the storage tank 15 reaches a liquid level set value I, or after sampling is finished, a reflux circulating pump 17 operates to convey the sample in the storage tank 15 back to the tank car; a valve 22 on the nitrogen bubbling pipe 21 is opened, and fluid remained in the three-way control valve 13 and the sampling main pipe 10 is conveyed back to the tank car;
finally, all the devices related to the sampling work are adjusted back to the initial position to stop working.
Claims (6)
1. A tank car sampler which is characterized in that: comprises a sampling device and a sampling platform arranged at the top of a tank car;
the sampling platform is provided with a frame and a sampling hose, and a cross centering mechanism which is convenient for finding a tank opening is arranged below the frame;
a hoisting mechanism for winding the sampling hose is arranged on the rack, a guide wheel for the sampling hose is arranged on the rack at the front part of the hoisting mechanism, the sampling hose bypasses the guide wheel, and a heavy hammer for driving the sampling hose to hang into the tank body is fixed at the sampling port of the sampling hose;
the winding mechanism comprises a winding drum, one rotating shaft of the winding drum is a hollow shaft, the inner end of the hollow shaft is connected with the sampling hose, the outer end of the hollow shaft is provided with a rotary joint which is rotatably connected with the hollow shaft, and the rotary joint is provided with an external pipe joint communicated with the hollow shaft;
the sampling device comprises a sampling main pipe, a circulating pipe and a sample outlet pipe, wherein the sampling main pipe, the circulating pipe and the sample outlet pipe are connected through a three-way control valve, the sample outlet pipe is provided with a sample outlet, the sampling main pipe is connected with the external pipe joint, and a sampling circulating pump is arranged on the sampling main pipe close to the three-way control valve;
the sampling device is provided with a storage tank for temporary storage, the circulating pipe is connected with the storage tank, the storage tank is provided with a return pipe for pumping fluid in the storage tank back to the tank car, and the return pipe is provided with a return circulating pump;
an oil receiving mechanism is arranged below the hoisting mechanism on the frame.
2. The tanker sampler of claim 1, wherein: the oil receiving mechanism comprises an oil receiving disc and an oil receiving disc follow-up lifting mechanism;
the oil receiving disc servo lifting mechanism comprises a lifting plate, the lifting plate and the oil receiving disc are arranged in parallel and horizontally, and the inner side of the lifting plate is fixedly connected with the oil receiving disc through a vertical connecting arm;
the lifting plate comprises a lifting part and a connecting part, the lifting part is used for realizing lifting of the oil receiving disc by matching with a heavy hammer, the connecting part is connected with the connecting arm, the connecting part is flush with the oil receiving disc, and the lifting part is positioned on the outer side of the oil receiving disc;
a parallel four-bar linkage mechanism which is hinged with the connecting arm and keeps the oil receiving disc horizontally extending and lifting along with the lifting plate is arranged on the rack below the hoisting mechanism;
the lifting part is provided with a long groove for the sampling hose to pass through, and the long groove extends to the connecting part to form a sliding groove for the sampling hose to move when the lifting plate horizontally extends out for lifting.
3. The tanker sampler of claim 1, wherein: the sampling main pipe between the three-way control valve and the sample injection circulating pump is provided with a nitrogen bubbling pipe connected with an air source, and the nitrogen bubbling pipe is provided with a valve.
4. The tanker sampler of claim 1, wherein: the cross centering mechanism comprises a base, a middle sliding seat and an upper sliding seat, wherein slideways are arranged between the base and the middle sliding seat and between the middle sliding seat and the upper sliding seat, and the two slideways are arranged in a cross manner.
5. The tanker sampler of claim 1, wherein: the guide wheel is arranged on the rack through a support frame, and a gravity sensor is arranged between the support frame and the rack.
6. The tanker sampler of claim 2, wherein: the parallel four-bar linkage mechanism comprises vertical arms fixed on the rack, and the vertical arms are hinged with the connecting arms through an upper group of parallel arms and a lower group of parallel arms with equal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139176.6U CN211627069U (en) | 2020-01-21 | 2020-01-21 | Tank car sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139176.6U CN211627069U (en) | 2020-01-21 | 2020-01-21 | Tank car sampler |
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| Publication Number | Publication Date |
|---|---|
| CN211627069U true CN211627069U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020139176.6U Active CN211627069U (en) | 2020-01-21 | 2020-01-21 | Tank car sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089756A (en) * | 2020-01-21 | 2020-05-01 | 连云港和昌机械有限公司 | Tank car sampler |
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2020
- 2020-01-21 CN CN202020139176.6U patent/CN211627069U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089756A (en) * | 2020-01-21 | 2020-05-01 | 连云港和昌机械有限公司 | Tank car sampler |
| CN111089756B (en) * | 2020-01-21 | 2022-04-08 | 连云港和昌机械有限公司 | Tank car sampler |
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