CN219950489U - Automatic quantitative tar loading sled - Google Patents
Automatic quantitative tar loading sled Download PDFInfo
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- CN219950489U CN219950489U CN202321379893.6U CN202321379893U CN219950489U CN 219950489 U CN219950489 U CN 219950489U CN 202321379893 U CN202321379893 U CN 202321379893U CN 219950489 U CN219950489 U CN 219950489U
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- 239000007791 liquid phase Substances 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000010926 purge Methods 0.000 claims abstract description 22
- 239000012071 phase Substances 0.000 claims description 28
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000005429 filling process Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model discloses an automatic quantitative tar loading sled, which belongs to the technical field of automatic tar control loading equipment and comprises a bottom frame and a top frame which are arranged in parallel, wherein a purging pipeline and an evacuating pipeline are arranged on the bottom frame, a first liquid phase pipeline and a second liquid phase pipeline are also arranged on the bottom frame, a manual gate valve, a pressure gauge, a mass flowmeter and a pneumatic stop valve are arranged between a liquid inlet and a liquid outlet of the first liquid phase pipeline, the liquid outlet of the first liquid phase pipeline is communicated with the first crane pipe, a manual gate valve, a pressure gauge, a mass flowmeter and a pneumatic stop valve are arranged between the liquid inlet and the liquid outlet of the second liquid phase pipeline, the liquid outlet of the second liquid phase pipeline is communicated with the second crane pipe, the first loading instrument controls the operation of the first liquid phase pipeline, and the second loading instrument controls the operation of the second liquid phase pipeline.
Description
Technical Field
The utility model belongs to the technical field of automatic tar control loading equipment, and particularly relates to an automatic tar quantitative loading sled.
Background
The production device of the large and medium petrochemical enterprises which are put into operation in China has laggard manual operation, the degree of automation is low, and the potential safety hazard of factories is outstanding. In particular to frequent accidents of leakage and explosion of dangerous chemicals in chemical factories in recent years, the national strict control and requirements for safe production and automation of dangerous chemical enterprises are provided. And the existing chemical plants, coking plants, petroleum processing plants and the like are more and more far away from urban areas, the environmental requirements are higher and higher, and the gas generated by loading needs to be recycled.
Corresponding byproducts are generated in the production process of petrochemical enterprises, for example: the tar, sulfuric acid and other viscous or corrosive media are sold to the outside, and the liquid products are manually butted with tank trucks for transporting dangerous chemicals by using quick connectors, and are manually operated in the liquid filling process, so that the whole filling process is manually monitored. Because the filling medium is inflammable and super-chemical, the manual loading has low efficiency and high loss, and the loading amount cannot be ensured; the manual operation is easy to neglect and the occurrence of multiple packages leads to overload of the vehicle; furthermore, the electrostatic grounding is possibly unstable or the electrostatic clamp is forgotten to be connected, and the potential safety hazard of electrostatic aggregation exists at any time in the filling process. In order to overcome the defects caused by manual operation and management, improve the efficiency of field operation management operation and the overall benefit of chemical enterprises, so as to meet the requirements of economic development, an automatic quantitative filling system with high automation degree, good safety and reliability and convenient operation and maintenance is urgently required.
Disclosure of Invention
The utility model provides automobile loading, pressure pipeline and integral skid-mounted equipment suitable for tar mediums, and particularly relates to industrial manufacture and automatic metering control of the skid-mounted equipment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the automatic quantitative tar truck-loading sled comprises a bottom frame and a top frame which are arranged in parallel, wherein the bottom of the bottom frame is supported by a plurality of upright posts, and the bottom frame and the top frame are supported by a plurality of intermediate posts.
An evacuation pipeline is arranged on the underframe and is supported by the first bracket, the second bracket and the third bracket.
The chassis is provided with a purging pipeline, the purging pipeline is supported by the first bracket, the second bracket and the third bracket, and the purging pipeline is arranged above the emptying pipeline.
The chassis is provided with a first liquid phase pipeline which is arranged above the emptying pipeline, and a manual gate valve, a pressure gauge, a mass flowmeter and a pneumatic stop valve are arranged between a liquid inlet and a liquid outlet of the first liquid phase pipeline. The first liquid-phase pipeline is controlled to be opened and closed through a manual gate valve, the moving direction of a gate plate of the manual gate valve is perpendicular to the fluid direction, and the gate valve can only be fully opened or fully closed and cannot be adjusted and throttled; the pressure gauge is used for monitoring the fluid pressure in the first liquid-phase pipeline; the mass flowmeter can directly measure mass flow, so that the accuracy of flow measurement is improved; the pneumatic stop valve plays a role in rapidly cutting off the liquid phase; the first liquid phase pipeline is connected with the emptying pipeline through a first emptying valve, and gas generated in the first liquid phase pipeline is vacuumized through the emptying pipeline.
The chassis is provided with a second liquid phase pipeline which is arranged in parallel with the first liquid phase pipeline, the second liquid phase pipeline is arranged above the emptying pipeline, a manual gate valve, a pressure gauge, a mass flowmeter and a pneumatic stop valve are arranged between a liquid inlet and a liquid outlet of the second liquid phase pipeline, and the opening and closing of the second liquid phase pipeline are controlled through the manual gate valve; the pressure gauge is used for monitoring the fluid pressure in the second liquid-phase pipeline; the mass flowmeter can directly measure mass flow, so that the accuracy of flow measurement is improved; the pneumatic stop valve plays a role in rapidly cutting off the liquid phase; the second liquid phase pipeline is connected with the emptying pipeline through a second emptying valve, and gas generated in the second liquid phase pipeline is vacuumized through the emptying pipeline.
The bottom of the top frame is provided with a first gas phase pipeline which is communicated with the purging pipeline through a first switching pipeline, the first switching pipeline is provided with a first pneumatic gate valve, hot water vapor is sprayed into the first gas phase pipeline through the purging pipeline, and gas phase condensation in the first gas phase pipeline is avoided.
The bottom of the top frame is provided with a second gas-phase pipeline which is arranged in parallel with the first gas-phase pipeline, the second gas-phase pipeline is communicated with the purging pipeline through a second switching pipeline, a second pneumatic gate valve is arranged on the second switching pipeline, hot water vapor is sprayed into the second gas-phase pipeline through the purging pipeline, and gas phase condensation in the second gas-phase pipeline is avoided.
The top frame is provided with a first oil filling riser, a liquid inlet of the first oil filling riser is communicated with a liquid outlet of the first liquid phase pipeline, a liquid outlet of the first oil filling riser is downwards arranged, and the first oil filling riser supplies liquid tar into a tank body of the tar tank truck.
The top frame is provided with a second oil filling riser, a liquid inlet of the second oil filling riser is communicated with a liquid outlet of the second liquid phase pipeline, and a liquid outlet of the second oil filling riser is arranged downwards; the second oil filling riser supplies liquid tar into the tank body of the tar tank truck.
The first loading instrument is arranged on the top frame and is arranged on the same side with the first loading arm, and the first loading instrument controls the operation of the first loading arm.
The second loading instrument is arranged on the top frame and is arranged on the same side with the second loading arm, and the second loading instrument controls the operation of the second loading arm.
In order to improve the safety of loading, a protective guard is arranged on the top frame, and a cat ladder is arranged on one side of the top frame.
The first liquid supply valve is arranged on the first oil filling riser, and the opening and closing of the first oil filling riser are controlled through the first liquid supply valve; the second oil filling riser is provided with a second liquid supply valve, and the opening and closing of the second oil filling riser are controlled through the second liquid supply valve.
Compared with the prior art, the utility model has the following specific beneficial effects:
1. according to the utility model, by arranging two independent quantitative loading devices, each independent loading device can finish the filling of the tar tank truck, and the two independent quantitative loading devices can be used alternately, so that the stable operation of the whole system is ensured.
2. The utility model is used as core equipment of a skid-mounted tar filling device, after loading is started, a mass pulse signal transmitted by a mass flowmeter is received through a loading instrument, a valve and a loading pump are controlled to be opened according to data of the mass flowmeter, and the vehicle is rapidly loaded, and before the preset loading amount is reached, the control valve and the loading pump are closed in sections, so that accurate loading is realized.
3. The utility model can automatically detect the grounding condition of the tank truck, and immediately output alarm information after the loop resistance between the tank truck and the grounding pile exceeds a specified resistance value, enter the loading controller for interlocking, and simultaneously send out an audible and visual alarm signal for field personnel to know the working condition of the system in time.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a side view of the present utility model.
In the figure, 1 is a bottom frame, 2 is a top frame, 3 is a column, 4 is a middle column, 5 is an evacuation pipeline, 6 is a first support, 7 is a second support, 8 is a third support, 9 is a purge pipeline, 10 is a first liquid phase pipeline, 11 is a manual gate valve, 12 is a pressure gauge, 13 is a mass flowmeter, 14 is a pneumatic stop valve, 15 is an evacuation valve, 16 is a second liquid phase pipeline, 17 is a first gas phase pipeline, 18 is a first switching pipeline, 19 is a first pneumatic gate valve, 20 is a second gas phase pipeline, 21 is a second switching pipeline, 22 is a second pneumatic gate valve, 23 is a first crane pipe, 24 is a second crane pipe, 25 is a first loader, 26 is a second loader, 27 is a protective rail, 28 is a climbing ladder, 29 is a first liquid supply valve, and 30 is a second liquid supply valve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, the automatic quantitative tar loading sled comprises a bottom frame 1 and a top frame 2 which are arranged in parallel, wherein the bottom of the bottom frame 1 is supported by a plurality of upright posts 3, and the bottom frame 1 and the top frame 2 are supported by a plurality of intermediate posts 4.
The underframe 1 is provided with an evacuation pipe 5, and the evacuation pipe 5 is supported by a first bracket 6, a second bracket 7 and a third bracket 8.
The chassis 1 is provided with the purging pipeline 9, the purging pipeline 9 is supported by the first bracket 6, the second bracket 7 and the third bracket 8, the purging pipeline 9 is arranged above the emptying pipeline 5, and hot water vapor is supplied into the first liquid-phase pipeline 10 and the second liquid-phase pipeline 16 through the purging pipeline 9, so that condensation caused by excessively low Jiao Youwen degrees is avoided.
A first liquid phase pipeline 10 is arranged on the underframe 1, the first liquid phase pipeline 10 is arranged above the emptying pipeline 5, and a manual gate valve 11, a pressure gauge 12, a mass flowmeter 13 and a pneumatic stop valve 14 are arranged between a liquid inlet and a liquid outlet of the first liquid phase pipeline 10. The first liquid-phase pipeline 10 is controlled to be opened and closed through the manual gate valve 11, the moving direction of the gate plate of the manual gate valve 11 is perpendicular to the fluid direction, and the gate valve can only be fully opened or fully closed and cannot be adjusted and throttled; the pressure gauge 12 is used for monitoring the fluid pressure in the first liquid-phase pipeline 10; the mass flowmeter 13 can directly measure mass flow, so that the accuracy of flow measurement is improved; the pneumatic shut-off valve 14 plays a role of rapidly shutting off the liquid phase; the first liquid phase pipeline 10 is connected with the evacuation pipeline 5 through a first evacuation valve 15, and the evacuation pipeline 5 is used for vacuumizing gas generated in the first liquid phase pipeline 10.
The underframe 1 is provided with a second liquid-phase pipeline 16, the second liquid-phase pipeline 16 is arranged in parallel with the first liquid-phase pipeline 10, the second liquid-phase pipeline 16 and the first liquid-phase pipeline 10 are independently operated, the second liquid-phase pipeline 16 is arranged above the emptying pipeline 5, a manual gate valve 11, a pressure gauge 12, a mass flowmeter 13 and a pneumatic stop valve 14 are arranged between a liquid inlet and a liquid outlet of the second liquid-phase pipeline 16, and the opening and closing of the second liquid-phase pipeline 16 are controlled through the manual gate valve 11; the pressure gauge 12 is used to monitor the fluid pressure in the second liquid phase conduit 16; the mass flowmeter 13 can directly measure mass flow, so that the accuracy of flow measurement is improved; the pneumatic shut-off valve 14 plays a role of rapidly shutting off the liquid phase; the second liquid phase pipeline 16 is connected with the evacuation pipeline 5 through a second evacuation valve 31, and the gas generated in the second liquid phase pipeline 16 is vacuumized through the evacuation pipeline 5.
The bottom of the top frame 2 is provided with a first gas phase pipeline 17, the first gas phase pipeline 17 is communicated with the purging pipeline 9 through a first switching pipeline 18, the first switching pipeline 18 is provided with a first pneumatic gate valve 19, and hot water vapor is sprayed into the first gas phase pipeline 17 through the purging pipeline 9, so that condensation caused by excessively low gas phase temperature in the first gas phase pipeline 17 is avoided.
The bottom of the top frame 2 is provided with a second gas-phase pipeline 20, the second gas-phase pipeline 20 is arranged in parallel with the first gas-phase pipeline 17, the second gas-phase pipeline 20 is communicated with the purging pipeline 9 through a second switching pipeline 21, a second pneumatic gate valve 22 is arranged on the second switching pipeline 21, and hot water vapor is sprayed into the second gas-phase pipeline 20 through the purging pipeline 9, so that condensation caused by excessively low gas-phase temperature in the second gas-phase pipeline 20 is avoided.
The top frame 2 is provided with a first oil filling riser 23, a liquid inlet of the first oil filling riser 23 is communicated with a liquid outlet of the first liquid phase pipeline 10, a liquid outlet of the first oil filling riser 23 is arranged downwards, and the first oil filling riser 23 supplies liquid tar into a tank body of the tar tank truck.
The top frame 2 is provided with a second oil filling riser 24, a liquid inlet of the second oil filling riser 24 is communicated with a liquid outlet of the second liquid phase pipeline 16, and a liquid outlet of the second oil filling riser 24 is arranged downwards; the second arm 24 supplies liquid tar into the tank of the tank truck.
The first loading instrument 25 is arranged on the top frame 2, the first loading instrument 25 and the first loading arm 23 are arranged on the same side, the first liquid phase pipeline 10, the manual gate valve 11, the pressure gauge 12, the mass flowmeter 13, the pneumatic stop valve 14, the first loading arm 23 and the first loading instrument 25 form an independent loading system, and the first loading instrument 25 controls the operation of the loading system.
The second loading instrument 26 is arranged on the top frame 2, the second loading instrument 26 and the second loading arm 24 are arranged on the same side, the second loading instrument 26 also forms another independent loading system by using a pipeline, the manual gate valve 11, the pressure gauge 12, the mass flowmeter 13, the pneumatic stop valve 14, the second loading arm 24 and the second loading instrument 26, and the second loading instrument 26 controls the operation of the loading system.
After the loading instrument is connected with a power supply, data transmission between the loading instrument and an upper computer through WiFi or 4G can be achieved after debugging, and the loading instrument automatically enters a dormant state after no operation is performed for 1 hour, so that power consumption is saved. In the dormant state, the infrared sensing device of the loading instrument works, when a person approaches, the infrared sensing device automatically wakes up, and all functions are restored, so that normal loading use is ensured.
In order to improve the safety of loading, a protective fence 27 is arranged on the top frame 2, and a ladder stand 28 is arranged on one side of the top frame 2.
The first crane pipe 23 is provided with a first liquid supply valve 29, and the opening and closing of the first crane pipe 23 are controlled by the first liquid supply valve 29; a second liquid supply valve 30 is disposed on the second crane tube 24, and the second crane tube 24 is controlled to be opened and closed by the second liquid supply valve 30.
The utility model is provided with a hand-held electrostatic grounding clamp, a An Fangbao liquid level switch, a homing plate, an explosion-proof protection tube hose, an oil-proof protection cable and the like. In the loading process, the grounding condition and the liquid level condition of the tank truck are detected in real time, when the grounding clamp is not clamped, the poor grounding is detected, the voice prompt alarm is given, the switching value signal is output to the quantitative loading system, the pump and the valve are controlled in a interlocking manner, the loading operation is stopped immediately, the occurrence of accidents is avoided, and when the liquid level reaches the preset position of the liquid level sensor, the functions are interlocked.
The skid-mounted liquid filling device has two control modes of independent control and remote control. The quantitative controller can perform program control, quantitative loading control and overflow preventing interlocking control on the loading process; the flow rate in the material loading process can be accumulated. The loading controller adopts an explosion-proof type IC card structure with explosion-proof function, is arranged on the crane position side of the loading platform to run in a single machine, and can perform all settings, on-site operation, monitoring the working condition of the material sending process and the like on site by operators; and meanwhile, the system is connected with an upper system through a communication line, so that the related management such as remote control operation and monitoring can be performed, and the centralized management of the loading business is realized.
The utility model simplifies the complicated manual operation steps on site, improves the production efficiency, greatly improves the safety of dangerous chemical filling, and has high control efficiency of the loading process; the control of the loading process is simplified; if the pneumatic loading arm is used, laser positioning can also realize remote operation loading, avoid staff to be in trouble of on-site operation always, through the cylinder, can directly insert LA1543 loading arm inside the tank wagon perpendicularly at sled dress top, make it load at the top, loading arm tip is equipped with tuning fork or laser sensor, can monitor loading overflow, also avoid bottom loading to cause the leakage.
The working process of the utility model is as follows:
the first step: when the system is in a standby state, the electrostatic grounding clamp is clamped on the homing plate. When the device is used, the grounding clamp is taken down from the homing plate to give an electrostatic alarm, then the grounding clamp is clamped on the loading and unloading equipment and is grounded normally, the electrostatic indicator lamp shows green, and the buzzer does not sound, namely the grounding is normal.
And a second step of: according to the height of the vehicle, the positions of a liquid level switch (an explosion-proof sensor) and a crane pipe are adjusted, and the height of liquid level alarm is set.
And a third step of: and (3) completing the two steps, wherein the system can carry out loading and unloading operations under the normal working state.
Fourth step: when an electrostatic alarm occurs in the process of loading and unloading operation, the electrostatic indicator lights up to a red light, the buzzer sounds, the operation is required to be stopped immediately, the ground fault is checked, and the operation can be continued until the electrostatic alarm is eliminated; when the liquid level alarm occurs, the overflow indicator lights up to turn on the red light, the buzzer sounds, the work is required to be stopped immediately, and whether the liquid level reaches the alarm height is checked. And at the same time of alarming, the corresponding alarm can output a corresponding alarm signal, if the signal is interlocked with the pipeline pump, the operation of the corresponding pipeline pump can be automatically stopped when the static electricity or liquid level alarm signal appears, and the loading and unloading operation can be continued until the static electricity is removed.
Fifth step: after the loading and unloading operation is finished, the electrostatic grounding clamp clamped on the loading and unloading equipment is retrieved and placed on a system homing plate, then the crane pipe with the liquid level switch (explosion-proof sensor) is retrieved, and the system is in a standby state for the next use.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (3)
1. The automatic quantitative tar loading sled is characterized by comprising a bottom frame (1) and a top frame (2) which are arranged in parallel, wherein the bottom of the bottom frame (1) is supported by a plurality of upright posts (3), and a plurality of middle posts (4) are supported between the bottom frame (1) and the top frame (2);
an emptying pipeline (5) is arranged on the underframe (1), and the emptying pipeline (5) is supported by a first bracket (6), a second bracket (7) and a third bracket (8);
the chassis (1) is provided with a purging pipeline (9), the purging pipeline (9) is supported by a first bracket (6), a second bracket (7) and a third bracket (8), and the purging pipeline (9) is arranged above the emptying pipeline (5);
a first liquid phase pipeline (10) is arranged on the underframe (1), the first liquid phase pipeline (10) is arranged above the emptying pipeline (5), a manual gate valve (11), a pressure gauge (12), a mass flowmeter (13) and a pneumatic stop valve (14) are arranged between a liquid inlet and a liquid outlet of the first liquid phase pipeline (10), and the first liquid phase pipeline (10) is connected with the emptying pipeline (5) through a first emptying valve (15);
a second liquid phase pipeline (16) is arranged on the underframe (1), the second liquid phase pipeline (16) is arranged above the emptying pipeline (5), a manual gate valve (11), a pressure gauge (12), a mass flowmeter (13) and a pneumatic stop valve (14) are arranged between a liquid inlet and a liquid outlet of the second liquid phase pipeline (16), and the second liquid phase pipeline (16) is connected with the emptying pipeline (5) through a second emptying valve (31);
the bottom of the top frame (2) is provided with a first gas phase pipeline (17), the first gas phase pipeline (17) is communicated with the purging pipeline (9) through a first switching pipeline (18), and the first switching pipeline (18) is provided with a first pneumatic gate valve (19);
the bottom of the top frame (2) is provided with a second gas-phase pipeline (20), the second gas-phase pipeline (20) is communicated with the purging pipeline (9) through a second switching pipeline (21), and a second pneumatic gate valve (22) is arranged on the second switching pipeline (21);
the top frame (2) is provided with a first oil filling riser (23), a liquid inlet of the first oil filling riser (23) is communicated with a liquid outlet of the first liquid phase pipeline (10), and a liquid outlet of the first oil filling riser (23) is arranged downwards;
the top frame (2) is provided with a second oil filling riser (24), a liquid inlet of the second oil filling riser (24) is communicated with a liquid outlet of the second liquid phase pipeline (16), and a liquid outlet of the second oil filling riser (24) is arranged downwards;
the first loading instrument (25) is arranged on the top frame (2), and the first loading instrument (25) and the first loading arm (23) are arranged on the same side;
the second loading instrument (26) is arranged on the top frame (2), and the second loading instrument (26) and the second loading arm (24) are arranged on the same side.
2. The automatic quantitative tar loading sled according to claim 1, wherein a protective fence (27) is arranged on the top frame (2), and a ladder stand (28) is arranged on one side of the top frame (2).
3. The automatic quantitative tar delivery sled of claim 1 wherein a first supply valve (29) is disposed on the first crane tube (23) and a second supply valve (30) is disposed on the second crane tube (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321379893.6U CN219950489U (en) | 2023-06-01 | 2023-06-01 | Automatic quantitative tar loading sled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321379893.6U CN219950489U (en) | 2023-06-01 | 2023-06-01 | Automatic quantitative tar loading sled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219950489U true CN219950489U (en) | 2023-11-03 |
Family
ID=88538175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321379893.6U Active CN219950489U (en) | 2023-06-01 | 2023-06-01 | Automatic quantitative tar loading sled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219950489U (en) |
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2023
- 2023-06-01 CN CN202321379893.6U patent/CN219950489U/en active Active
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