CN117329446B - Stacked vehicle-mounted safe transport container assembly - Google Patents

Stacked vehicle-mounted safe transport container assembly Download PDF

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Publication number
CN117329446B
CN117329446B CN202311634800.4A CN202311634800A CN117329446B CN 117329446 B CN117329446 B CN 117329446B CN 202311634800 A CN202311634800 A CN 202311634800A CN 117329446 B CN117329446 B CN 117329446B
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CN
China
Prior art keywords
outer end
pressure
container
buffer
vehicle
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CN202311634800.4A
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Chinese (zh)
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CN117329446A (en
Inventor
王冰姿
姜海鹏
王洁
吕洪雨
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Shandong Zhizhe Electric Technology Co ltd
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Shandong Zhizhe Electric Technology Co ltd
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Priority to CN202311634800.4A priority Critical patent/CN117329446B/en
Publication of CN117329446A publication Critical patent/CN117329446A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention relates to the technical field of explosive gas storage containers, in particular to a stacked vehicle-mounted safe transport container assembly, which comprises vehicle-mounted container groups stacked from top to bottom and arranged in a transport carriage, wherein two sides of each vehicle-mounted container group are respectively abutted against the inner wall of the transport carriage at the corresponding side, and two adjacent vehicle-mounted container groups are arranged in a sliding clamping manner; the vehicle-mounted container group comprises a rigid shell which is horizontally arranged, a nitrogen pre-filling explosion-proof unit is arranged in a vertical cavity in the middle of the rigid shell, container storage cavities which are horizontally arranged are arranged at two ends of the rigid shell, and a pressure container unit is arranged in each container storage cavity. The stacked vehicle-mounted safe transport container assembly stably places a plurality of vehicle-mounted container groups in a stacked manner, and each vehicle-mounted container group is connected by a sliding clamp, so that the smoothness of installation and disassembly is ensured.

Description

Stacked vehicle-mounted safe transport container assembly
Technical Field
The invention relates to the technical field of explosive gas storage containers, in particular to a stacked vehicle-mounted safe transport container assembly.
Background
The explosive gas is generally stored by using a special pressure container, and the pressure container stored with the explosive gas is generally placed in a carriage stably and positioned when being transported in a vehicle.
In the prior art, the structures of the transport containers are various, for example, patent document with patent publication number of CN216270915U discloses a gas transport container with a damping and anti-collision function, and the main structure of the gas transport container comprises a transport case and a gas storage tank arranged in the transport case, wherein a damping and anti-collision structure is arranged between the gas storage tank and the transport case; the shock attenuation anticollision structure includes spring, high-pressure gas pitcher, a pair of gasbag etc. on the transport case inner lower wall, the spring bottom is installed on the gas storage tank lower wall, and the lid is placed on the transport case upper wall, and lid and transport case pass through hinged joint, and the high-pressure gas pitcher is installed on the lid lower wall, a pair of the gasbag is installed on the transport case inner left side and right wall, is equipped with the touching subassembly between high-pressure gas pitcher and the a pair of gasbag.
The structure of the gas transportation container described in the above prior art patent can be seen that the structure mainly adopts the shock absorption anti-collision structure to realize the shock absorption to the transportation gas tank body in the transportation process, and when the collision occurs in the transportation process, a pair of air bags can fully protect the gas transportation tank, the structure can realize the basic shock absorption effect, but the shock absorption effect of simply relying on the air bags on two sides is poor when the explosive gas is transported, and meanwhile, the condition that a plurality of gas transportation containers are easy to collide with each other when adjacently placed exists in the transportation can aggravate the collision and shake to the gas of the internal container.
Therefore, the invention optimizes and innovates the safety problem in the process of transporting dangerous gases such as explosive gases and the like in the prior art, and therefore provides a stacked vehicle-mounted safe transport container assembly which can realize multidirectional shock absorption and timely dilute leaked gases after gas collision and leakage.
Disclosure of Invention
The invention aims to solve one of the technical problems, and adopts the following technical scheme: the stacked vehicle-mounted safe transport container assembly comprises vehicle-mounted container groups which are stacked from top to bottom and are arranged in a transport carriage, wherein two sides of each vehicle-mounted container group are respectively abutted against the inner wall of the transport carriage on the corresponding side, and two upper and lower adjacent vehicle-mounted container groups are in sliding clamping connection; the vehicle-mounted container group comprises a rigid shell which is horizontally arranged, a nitrogen pre-filling explosion-proof unit is arranged in a vertical cavity in the middle of the rigid shell, container storage cavities which are horizontally arranged are arranged at two ends of the rigid shell, and a pressure container unit is arranged in each container storage cavity; the inner ends of the pressure container units are respectively abutted on inner end buffer mechanisms at the inner ends of the container storage cavities at corresponding positions, the outer ends of the pressure container units are respectively abutted on outer end buffer mechanisms at the outer ends of the container storage cavities at corresponding positions, and upper buffer mechanisms and lower buffer mechanisms are respectively arranged in the upper part and the lower part of the pressure container units; the sliding grooves are fixedly welded on the two sides of the top of each rigid shell, the sliding rails are fixedly welded on the two sides of the bottom of each rigid shell, and the sliding rails of the upper rigid shell are slidably clamped in the corresponding sliding grooves of the adjacent lower rigid shells in the installation state.
In any of the above schemes, preferably, the inner end buffer mechanism, the outer end buffer mechanism, the upper buffer mechanism and the lower buffer mechanism which are positioned in the same container storage cavity cooperate to realize multidirectional buffer and shock absorption on the pressure container unit;
the nitrogen pre-filling explosion-proof unit is used for being connected with the upper buffer mechanism and the lower buffer mechanism at the corresponding positions on two sides of the nitrogen pre-filling explosion-proof unit and controlling the damping amplitude of the upper buffer mechanism and the lower buffer mechanism.
In any of the above schemes, preferably, the pressure vessel unit includes a main tank body horizontally arranged, the outer end of the main tank body is an air inlet and outlet end, the inner end is a plugging end in a transportation state, an air inlet and outlet electromagnetic valve is installed on an air inlet and outlet pipe joint in the middle of the outer end of the main tank body, the outer end of the air inlet and outlet pipe joint penetrates out to the outer side of the outer end buffer mechanism, a pressure relief and diversion component is installed at the inner end of the main tank body, and the pressure relief and diversion component is used for completing internal safety pressure relief when the internal air pressure of the main tank body exceeds a preset air pressure value.
In any of the above schemes, preferably, the pressure relief flow conversion component includes a flow guiding mechanism fixed in a flow guiding pipe orifice of the inner end cylindrical cavity of the main tank body in a sealing and screwing manner, the end of the flow guiding mechanism is fixed with a pressure relief auxiliary tank in a sealing and screwing manner, and when the air pressure in the main tank body is greater than a preset air pressure value, the flow guiding mechanism is passively opened and guides the air in the main tank body into the pressure relief auxiliary tank.
In any of the above schemes, preferably, the diversion mechanism includes a diversion spiral pipe, external threads are provided on an outer side wall of the diversion spiral pipe, two ends of the diversion spiral pipe are respectively and tightly connected with a diversion pipe orifice of the main tank body and an air inlet pipe orifice of the pressure relief auxiliary tank in a sealing manner through the external threads, rigid diversion bent pipes are respectively and symmetrically welded on the outer side walls of the upper side and the lower side of the diversion spiral pipe, pipe cavities of the two rigid diversion bent pipes are respectively communicated with the diversion cavity of the diversion spiral pipe, diversion electromagnetic valves are respectively installed on the rigid diversion bent pipes, a sealing valve core is installed at an air inlet end of the diversion cavity, an outer side wall of the sealing valve core is used for sealing and blocking an inlet end of the two rigid diversion bent pipes close to one side of the diversion spiral pipe under a normal state, an annular positioning disk is fixedly installed in the diversion cavity outside the sealing valve core, a pre-pressing spring is installed in the diversion cavity between the annular positioning disk and the sealing valve core, and two ends of the pre-pressing spring are respectively and abutted and fixed on an end face of the annular positioning disk and an upper end face of the sealing valve core.
In any of the above schemes, preferably, lifting rings are fixedly welded on two sides of the air inlet and outlet pipe joint at the outer end face of the main tank body respectively.
In any of the above schemes, preferably, the inner end buffer mechanism includes an inner end supporting disc disposed inside the container storage cavity at the inner end, the inner end supporting disc is fixedly mounted on the inner end surface of the container storage cavity through a plurality of inner end buffer springs, the outer end of the inner end supporting disc is supported at the inner end surface of the pressure container unit, and the outer diameter size of the inner end supporting disc is smaller than the size of the inner end surface of the pressure container unit.
In any of the above solutions, preferably, the outer end buffer mechanism includes an outer end cover bolted and fixedly installed at an end expanding end face of the rigid casing, an air inlet and outlet pipe joint at the center of the outer end of the pressure container unit movably passes through a central through hole of the outer end cover and extends to the outer side of the outer end cover, an outer end buffer member is installed in the container storage cavity between the outer end cover and the pressure container unit in a matched manner, an inner end of the outer end buffer member abuts against the periphery of the outer end face of the pressure container unit, a buffer positioning screw rod is screwed in each threaded through hole at the end face of the outer end cover, an inner end of each buffer positioning screw rod is used for abutting against the outer end buffer member in a working state, and an adjusting hand wheel is fixed at the outer end of each buffer positioning screw rod.
In any of the above schemes, preferably, the outer end buffer member comprises an outer end positioning disk inserted in the storage cavity of the container in a matching manner, a central hole of the outer end positioning disk is sleeved on the periphery of the air inlet and outlet pipe joint, an outer end supporting ring is arranged at an inner side interval of the outer end positioning disk, the outer end supporting ring is fixedly connected with the outer end positioning disk through a plurality of outer end buffer springs, and an inner end of the outer end supporting ring is abutted to an outer end face of the main tank body of the pressure container unit.
The outer end buffer part mainly realizes the positioning of the outer end positioning disk by means of the butt joint of the corresponding buffer positioning screws, and can be forced to compress the corresponding inner end buffer springs of the inner end buffer mechanism and the corresponding outer end buffer springs of the outer end buffer part through screwing the corresponding adjusting handwheels, so that the purpose of controlling the left-right displacement amplitude of the pressure container unit is achieved. The pressure vessel unit can be buffered and damped horizontally left and right, and meanwhile, the adjustability of damping amplitude and damping effect is guaranteed.
In any of the above solutions, it is preferable that the upper buffer mechanism and the lower buffer mechanism corresponding to the lower buffer mechanism are vertical buffer shock absorbing units with the same structure and symmetrically arranged, and a placement space for the pressure vessel unit at the current position to pass through is formed between the two vertical buffer shock absorbing units;
the vertical buffering damping unit comprises a piston bin fixedly mounted at the top or bottom of the container storage cavity, a lifting piston disc is mounted in the piston cavity of the piston bin in a sealing manner, a pushing plate seat is arranged between the piston bin and the pressure container unit at the current position, two ends of the pushing plate seat are vertical, the inner side walls of the pushing plate seat are respectively abutted to the outer side walls of the two sides of the piston bin, two pushing columns are fixedly arranged in the middle of the pushing plate seat at intervals, the inner ends of the pushing columns are movably and hermetically stretched into the piston cavity and fixedly connected with the lifting piston disc, and a plurality of vertical damping springs are fixedly mounted between the piston bin and the pushing plate seat at intervals.
In any of the above schemes, preferably, the piston cavity far away from one side of the pressure vessel unit is filled with nitrogen, the inner end and the outer end of the piston bin are respectively provided with an air supplementing pipe joint and a release pipe joint, the air supplementing pipe joint and the release pipe joint are respectively provided with an air supplementing electromagnetic valve and a release electromagnetic valve, the outlet end of the release pipe joint extends into a space between the outer end buffer member and the pressure vessel unit, and the air supplementing end of the air supplementing pipe joint extends into the middle vertical cavity and is connected with the end pipe joint corresponding to the nitrogen pre-filling explosion-proof unit.
In any of the above schemes, preferably, the nitrogen pre-charging explosion-proof unit comprises a nitrogen high-pressure tank installed in the middle vertical cavity in a matched manner, the bottom of the nitrogen high-pressure tank is fixed at the bottom of the middle vertical cavity by means of supporting legs, a nitrogen air inlet pipe with a control pump is arranged at the center of the top of the nitrogen high-pressure tank, and end pipe joints connected with the air supplementing pipe joints at corresponding positions are respectively installed at the top and the two sides of the bottom of the nitrogen high-pressure tank.
Compared with the prior art, the invention has the following beneficial effects:
1. the stacked vehicle-mounted safe transport container assembly stably places a plurality of vehicle-mounted container groups in a stacking manner, and each vehicle-mounted container group is connected by a sliding clamp, so that the smoothness of installation and disassembly is ensured; meanwhile, the purpose of abutting on the inner wall of the corresponding transportation carriage by means of the adjusting handwheels is achieved by adjusting the adjusting handwheels on the outer end buffer mechanisms, shaking in the transportation process is reduced, and in addition, the purpose of limiting can be achieved by arranging grid baffles on two sides of the rigid shell in a filling mode.
2. The pressure relief and current transfer components for pressurizing by collision are adopted in each pressure container unit, so that the safety buffering after the pressure container unit is subjected to preliminary collision or internal pressure rise is realized, and the safety of the pressure container unit is ensured.
3. The upper buffer mechanism, the lower buffer mechanism, the upper buffer mechanism and the lower buffer mechanism which are matched with the pressure container unit and are arranged at the lateral sides of the pressure container unit can play a role in multidirectional limiting and damping, the impact on the pressure container unit can be reduced from the outside, the influence of external vibration or impact load on the pressure value inside the pressure container unit is reduced, and the safety buffer effect is played.
4. According to the invention, the nitrogen pre-filling explosion-proof unit is matched with the vertical buffering damping unit at the corresponding side to realize quick release of nitrogen so as to quickly surround the explosive gas generated by leakage and guide out the explosive gas into an external environment in a high-speed flushing manner, thereby realizing quick dilution and external discharge of the explosive gas and preventing risks caused by concentrated aggregation of the explosive gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic view of a stacked mounting state structure of the present invention.
Fig. 2 is a schematic view of the external outline structure of the vehicle-mounted container set of the present invention.
FIG. 3 is a schematic view of the internal cross-sectional structure of a stacked two-vehicle container set of the present invention.
Fig. 4 is a schematic view of the internal cross-sectional structure of a single in-vehicle container group of the present invention.
Fig. 5 is a schematic cross-sectional view of the vehicle-mounted container group of the present invention without the pressure container unit mounted therein.
Fig. 6 is a schematic view showing the internal structure of the pressure vessel unit of the present invention.
In the figure, 1, a transportation carriage; 2. a vehicle-mounted container group; 3. a rigid housing; 301. an end face with an expanded diameter; 4. a middle vertical cavity; 5. a container storage cavity; 6. a pressure vessel unit; 601. a main tank body; 602. an air inlet and outlet pipe joint; 603. an air inlet and outlet electromagnetic valve; 604. a cylindrical cavity at the inner end; 605. a diversion pipe orifice; 606. a pressure relief auxiliary tank; 607. a flow guiding screw tube; 608. an air inlet pipe orifice; 609. a rigid flow guide elbow; 610. a diversion cavity; 611. a diversion electromagnetic valve; 612. sealing the valve core; 613. an annular positioning disk; 614. pre-pressing a spring; 615. lifting rings; 7. a chute; 8. a slide rail; 9. the inner end is propped against the positioning disc; 10. an inner end buffer spring; 11. an outer end cap; 12. a central through hole; 13. buffering the positioning screw; 14. an adjusting hand wheel; 15. an outer end positioning disk; 16. an outer end propping ring; 17. an outer end buffer spring; 18. a piston bin; 19. a piston chamber; 20. lifting a piston disc; 21. a pushing plate seat; 22. pushing the column; 23. a vertical damping spring; 24. a gas supply pipe joint; 25. releasing the pipe joint; 26. an air supplementing electromagnetic valve; 27. releasing the electromagnetic valve; 28. an inflation pipe joint; 29. a nitrogen high pressure tank; 30. and a nitrogen inlet pipe.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention. The specific structure of the invention is shown in fig. 1-6.
Examples: the stacked vehicle-mounted safe transport container assembly comprises vehicle-mounted container groups 2 which are stacked from top to bottom and are arranged in a transport carriage 1, two sides of each vehicle-mounted container group 2 are respectively abutted against the inner wall of the transport carriage 1 on the corresponding side, and two vertically adjacent vehicle-mounted container groups 2 are in sliding clamping connection; the vehicle-mounted container group 2 comprises a rigid shell 3 which is horizontally arranged, a nitrogen pre-filling explosion-proof unit is arranged in a vertical cavity 4 in the middle of the rigid shell 3, container storage cavities 5 which are horizontally arranged are arranged at two ends of the rigid shell 3, and a pressure container unit 6 is arranged in each container storage cavity 5; the inner ends of the pressure container units 6 are respectively abutted on inner end buffer mechanisms at the inner ends of the container storage cavities 5 at corresponding positions, the outer ends of the pressure container units 6 are respectively abutted on outer end buffer mechanisms at the outer ends of the container storage cavities 5 at corresponding positions, and upper buffer mechanisms and lower buffer mechanisms are respectively arranged in the container storage cavities 5 at the upper part and the lower part of the pressure container units 6;
the sliding grooves 7 are respectively fixedly welded on the two sides of the top of each rigid shell 3, the sliding rails 8 are respectively fixedly welded on the two sides of the bottom of each rigid shell 3, and each sliding rail 8 of the upper rigid shell 3 is slidably clamped in the corresponding sliding groove 7 of the lower adjacent rigid shell 3 in the installation state.
The stacking type vehicle-mounted safe transport container assembly designed in the invention can realize stable placement of a plurality of groups of vehicle-mounted container groups 2 in a stacking manner, ensures the stability in the transport process, simultaneously realizes quick installation or disassembly of each vehicle-mounted container group 2 in a sliding pulling manner, and ensures quick transport and transfer by matching with transport equipment when the vehicle-mounted container groups are moved up and down before and after transport.
The inside both ends of every on-vehicle container group 2 all are used for storing a pressure vessel unit 6, can guarantee the holistic shock attenuation ability of pressure vessel unit 6 in the transportation through multidirectional buffering, the quick shock attenuation buffering when the pressure vessel unit 6 appears striking and rocking along with the vehicle transportation, the in-process cooperation inner buffer gear of shock attenuation buffering, outer end buffer gear, upper portion buffer gear, lower part buffer gear realize the omnidirectional shock attenuation buffering, in addition, according to the current pressure vessel unit 6 in the upper and lower direction and the little range of the size on the length about, can also reach the purpose of adjusting the shock attenuation range in each upper and lower, horizontal direction according to actual size matching.
In any of the above schemes, it is preferable that the inner end buffer mechanism, the outer end buffer mechanism, the upper buffer mechanism and the lower buffer mechanism located in the same container storage cavity 5 cooperate to realize multidirectional buffer and shock absorption for the pressure container unit 6; the nitrogen pre-filling explosion-proof unit is used for being connected with the upper buffer mechanism and the lower buffer mechanism at the corresponding positions on two sides of the nitrogen pre-filling explosion-proof unit and controlling the damping amplitude of the upper buffer mechanism and the lower buffer mechanism.
The multidirectional buffering vibration reduction can ensure the rapid control of the vibration amplitude of the pressure container unit 6, the excessive vibration is avoided, meanwhile, the single control adjustment of the buffering vibration reduction amplitude in all directions can be realized by adjusting the inner end buffering mechanism, the outer end buffering mechanism, the upper buffering mechanism and the lower buffering mechanism, and the purpose of adjusting the buffering effect according to the transportation needs is realized.
In any of the above schemes, preferably, the pressure vessel unit 6 includes a main tank 601 disposed horizontally, in a transportation state, an air inlet and outlet end is disposed at an outer end of the main tank 601, an inner end is a blocking end, an air inlet and outlet electromagnetic valve 603 is mounted on an air inlet and outlet pipe joint 602 in a middle part of an outer end of the main tank 601, an outer end of the air inlet and outlet pipe joint 602 penetrates out to an outer side of the outer end buffer mechanism, a pressure release and diversion component is mounted at an inner end of the main tank 601, and the pressure release and diversion component is used for completing internal safe pressure release when an internal air pressure of the main tank 601 exceeds a preset air pressure value.
The main tank 601 is used as a container space for containing explosive gas, the explosive gas with proper pressure is filled in the main tank 601 before normal loading, frequent shaking, area temperature rise and pressure rise caused by road bump impact and impact of small-amplitude unexpected traffic accidents in the process of transporting the gas following vehicles are considered, so that the pressure relief and transfer component is additionally arranged as a rapid safe pressure relief and transfer component for the explosive gas in the main tank 601 when the pressure of the main tank 601 is suddenly increased due to the unexpected internal pressure, the rapid pressure relief and pressure reduction for the internal pressure of the main tank 601 are effectively realized, the probability of high-pressure explosion in the main tank 601 is reduced, and the safety after the pressure boost is improved.
In any of the above schemes, preferably, the pressure relief and current transfer component includes a guiding mechanism that is fixed in a guiding pipe orifice 605 of an inner end cylindrical cavity 604 of the main tank body 601 in a sealing and screwing manner, a pressure relief auxiliary tank 606 is fixed at the end of the guiding mechanism in a sealing and screwing manner, and when the internal air pressure of the main tank body 601 is greater than a preset air pressure value, the guiding mechanism is passively opened and guides the air in the main tank body 601 into the pressure relief auxiliary tank 606.
When the pressure relief and current transfer component works, the flow guide mechanism is triggered and pushed to be opened passively by the high pressure in the main tank body 601, and after the flow guide mechanism is opened passively, a linkage cavity is formed between the pressure relief auxiliary tank 606 and the inside of the main tank body 601, so that gas at a high pressure end can flow to the inside of the pressure relief auxiliary tank 606 in a relatively low pressure state in the current state rapidly, and the pressure relief effect of the main tank body 601 is achieved.
In any of the above solutions, preferably, the flow guiding mechanism includes a flow guiding spiral pipe 607, external threads are disposed on an outer side wall of the flow guiding spiral pipe 607, two ends of the flow guiding spiral pipe 607 are respectively and tightly connected with a flow guiding pipe orifice 605 of the main tank body 601 and an air inlet pipe orifice 608 of the pressure relief auxiliary tank 606 through the external threads, rigid flow guiding bent pipes 609 are symmetrically welded on outer side walls of upper and lower sides of the flow guiding spiral pipe 607, pipe cavities of the two rigid flow guiding bent pipes 609 are respectively communicated with an inside of a flow guiding cavity 610 of the flow guiding spiral pipe 607, flow guiding electromagnetic valves 611 are mounted on the rigid flow guiding bent pipes 609, sealing valve cores 612 are mounted at air inlet ends of the flow guiding cavity 610, outer side walls of the sealing valve cores 612 are used for sealing inlet ends of the two rigid flow guiding bent pipes 609 close to one side of the flow guiding spiral pipe 607 in a normal state, an annular positioning disk 613 is fixedly mounted inside the flow guiding cavity 610 outside the sealing valve cores, a spring 613 is mounted inside the flow guiding cavity 610 between the annular positioning disk 612, and the end faces of the sealing valve cores 612 are respectively and preloaded and positioned by the pre-pressing valve cores 613 are respectively.
The diversion mechanism is characterized in that the diversion mechanism is used for blocking two rigid diversion bent pipes 609 which are communicated with the main tank body 601 and the pressure relief auxiliary tank 606 by means of the sealing valve core 612, the sealing valve core 612 can be guaranteed to be in a fixed state under the normal state by means of the precompaction spring 614, when the air pressure in the main tank body 601 is increased and the pressure brought by the air pressure is greater than the precompaction elastic force of the precompaction spring 614, the sealing valve core 612 is forced to push the precompaction spring 614 to compress outwards, the sealing valve core 612 is moved outwards in the compression process of the precompaction spring 614, at the moment, diversion channels of the two rigid diversion bent pipes 609 are in a communicated state, so that high-pressure explosive air in the main tank body 601 is conducted to the pressure relief auxiliary tank 606 at the outer end through the two rigid diversion bent pipes 609, the pressure relief auxiliary tank 606 is balanced gradually with the air pressure in the pressure relief auxiliary tank 606 along with the increase of the air pressure in the pressure relief auxiliary tank 606, and the precompaction spring 614 returns inwards, and at the moment, the diversion channels of the two rigid diversion bent pipes 609 are blocked outwards again, and the inside the pressure relief valve body is blocked.
The rigid diversion bent pipes 609 on two sides of the diversion mechanism realize double-channel diversion when diversion and pressure relief are carried out, so that the pressure relief efficiency is effectively improved, meanwhile, different pre-pressing springs 614 are installed to be matched with different preset pressure values, the speed and flow of diversion are controlled by controlling the opening and closing and opening of the diversion electromagnetic valves 611 on the rigid diversion bent pipes 609, the diversion spiral pipes 607 of the whole diversion mechanism are fastened with the pressure relief auxiliary tank 606 by screwing, and the pressure relief auxiliary tank 606 is directly rotated and disassembled when being disassembled, so that the operation is faster.
In either of the above embodiments, the two rigid flow bends 609 are preferably high strength alloy tubes that serve two purposes: one is used as a diversion channel; the second is to use as an operation handle when the flow guide screw 607 is attached, detached and rotated.
In any of the above solutions, it is preferable that a lifting ring 615 is fixedly welded to both sides of the intake and exhaust pipe joint 602 at the outer end surface of the main tank 601.
When the whole pressure container unit 6 is operated, the lifting ring 615 is connected through external pulling equipment, so that the whole pressure container unit 6 can be driven to shift, and the operation is more flexible and convenient.
In any of the above schemes, it is preferable that the inner end buffer mechanism includes an inner end abutment disk 9 disposed inside the container storage cavity 5 at the inner end, the inner end abutment disk 9 is fixedly mounted on the inner end surface of the container storage cavity 5 by a plurality of inner end buffer springs 10, the outer end of the inner end abutment disk 9 abuts against the inner end surface of the pressure container unit 6, and the outer diameter size of the inner end abutment disk 9 is smaller than the size of the inner end surface of the pressure container unit 6.
The inner end buffer mechanism can buffer, resist and damp the pressure container unit 6 which is in inward impact movement by means of the inner end buffer springs 10, and can realize outward pushing and returning of the pressure container unit 6 after the impact is finished.
The outer diameter of the inner end supporting disc 9 is smaller than the inner end surface of the pressure container unit 6, and the upper buffering mechanism and the lower buffering mechanism can be effectively matched to adjust to control the lifting amplitude of the upper and lower positions of the whole pressure container unit 6, so that the vertical buffering and shock absorption are realized.
In any of the above solutions, preferably, the outer end buffer mechanism includes an outer end cover 11 bolted and fixedly installed at an end expanding end face 301 of the rigid casing 3, an intake and exhaust pipe joint 602 at the center of the outer end of the pressure vessel unit 6 movably passes through a central through hole 12 of the outer end cover 11 and extends to the outside of the outer end cover, an outer end buffer member is installed in the vessel storage cavity 5 between the outer end cover 11 and the pressure vessel unit 6 in a matching manner, an inner end of the outer end buffer member abuts against the periphery of the outer end face of the pressure vessel unit 6, a buffer positioning screw 13 is screwed in each threaded through hole at the end face of the outer end cover 11, an inner end of each buffer positioning screw 13 is used for abutting against the outer end buffer member in an operating state, and an adjusting hand wheel 14 is fixed at the outer end of each buffer positioning screw 13.
The outer end buffer mechanism realizes the limit positioning of the whole outer end part by means of the outer end cover 11 after the installation is finished, effectively prevents the pressure container unit 6 positioned in the container storage cavity 5 from moving outwards, and meanwhile, by means of the outer end buffer piece, the outer end part of the pressure container unit 6 which moves outwards due to load or inertia can be buffered and damped, the corresponding regulating hand wheel 14 is arranged to control the buffer positioning screw 13 to rotate inwards or to rotate outwards in consideration of the safety tolerance capability of different gases, and the outer end buffer piece can be controlled to move in an abutting manner when the corresponding regulating hand wheel 14 rotates inwards, so that the pressure container unit 6 is continuously close to the pressure container unit 6 or moves the whole pressure container unit 6 to the inner end, and the control of the pre-compression degree of the inner end buffer mechanism and the outer end buffer piece corresponding to the inner end part and the outer end buffer piece is effectively realized, so that the current pressure container unit 6 can be controlled to the maximum movement amplitude of the corresponding pressure container unit 6 to the horizontal two ends when the current pressure container unit receives the impact load or the vibration load is controlled, and the purpose of regulating the buffer amplitude and the effect is achieved according to the requirement.
In any of the above schemes, preferably, the outer end buffer member includes an outer end positioning disk 15 that is inserted in the container storage cavity 5, a central hole of the outer end positioning disk 15 is sleeved on the periphery of the air inlet and outlet pipe joint 602, an outer end abutment ring 16 is disposed at an inner side of the outer end positioning disk 15 at intervals, the outer end abutment ring 16 and the outer end positioning disk 15 are fixedly connected through a plurality of outer end buffer springs 17, and an inner end of the outer end abutment ring 16 abuts against an outer end face of the main tank 601 of the pressure container unit 6.
The outer end buffer parts are abutted by the corresponding buffer positioning screws 13 to realize the positioning of the outer end positioning disk 15, and the corresponding inner end buffer springs 10 of the inner end buffer mechanism and the corresponding outer end buffer springs 17 of the outer end buffer parts can be forced to be pushed and compressed by screwing the corresponding adjusting handwheels 14, so that the purpose of controlling the left-right displacement amplitude of the pressure container unit 6 is achieved.
The adjustability of the damping amplitude and the damping effect is also ensured while the pressure vessel unit 6 is ensured to be damped in the left-right horizontal direction.
In any of the above solutions, it is preferable that the upper buffer mechanism and the lower buffer mechanism corresponding to the lower buffer mechanism are vertical buffer shock absorbing units with the same structure and symmetrically arranged, and a placement space for the pressure vessel unit 6 at the current position to pass through is formed between the two vertical buffer shock absorbing units;
the vertical buffering and damping unit comprises a piston bin 18 fixedly arranged at the top or the bottom of the container storage cavity 5, a lifting piston disc 20 is arranged in a piston cavity 19 of the piston bin 18 in a sealing manner, a pushing plate seat 21 is arranged between the piston bin 18 and the pressure container unit 6 at the current position, two ends of the pushing plate seat 21 are vertical, the inner side walls of the pushing plate seat are respectively abutted to the outer side walls of the two sides of the piston bin 18, two pushing posts 22 are arranged in the middle of the pushing plate seat 21 at intervals, the inner ends of the pushing posts 22 are movable and extend into the piston cavity 19 in a sealing manner and are fixedly connected with the lifting piston disc 20, and a plurality of vertical damping springs 23 are fixedly arranged between the piston bin 18 and the pushing plate seat 21 at intervals.
In any of the above schemes, it is preferable that the piston chamber 19 at the side far from the pressure vessel unit 6 is filled with nitrogen, an air supplementing pipe joint 24 and a release pipe joint 25 are respectively installed at the inner end and the outer end of the piston chamber 18, an air supplementing solenoid valve 26 and a release solenoid valve 27 are respectively installed at the air supplementing pipe joint 24 and the release pipe joint 25, the outlet end of the release pipe joint 25 extends into the space between the outer end buffer and the pressure vessel unit 6, and the air supplementing end of the air supplementing pipe joint 24 extends into the middle vertical chamber 4 and is connected with an air charging pipe joint 28 corresponding to the nitrogen pre-charging explosion-proof unit.
The upper buffer mechanism and the lower buffer mechanism are symmetrically arranged, so that the purpose of up-down buffering can be guaranteed when the pressure container unit 6 is abutted and buffered, meanwhile, the upper buffer mechanism and the lower buffer mechanism are structurally designed into a vertical buffer shock absorption unit, the upper buffer mechanism and the lower buffer mechanism can be guaranteed to be stably supported by the corresponding pushing plate seat 21 when the pressure container unit 6 is subjected to vertical displacement, when the pressure container unit 6 is subjected to vibration load, multistage buffering is realized by the vertical buffer shock absorption unit, and the first-stage buffering is realized by means of the vertical shock absorption springs 23 to absorb shock and energy in a small range; the second-stage buffering relies on the nitrogen filled in the piston cavity 19 to play a role in compressing, buffering and damping the gas, and in addition, the size of downward displacement of the corresponding pushing plate seat 21 can be controlled by controlling the filling volume of the nitrogen filled in the piston cavity 19 so as to meet the requirement of pre-abutting positioning of pressure container units 6 with different sizes.
In any of the above schemes, it is preferable that the nitrogen pre-charging explosion-proof unit includes a nitrogen high-pressure tank 29 cooperatively installed inside the middle vertical cavity 4, the bottom of the nitrogen high-pressure tank 29 is fixed at the bottom of the middle vertical cavity 4 by means of supporting legs, a nitrogen air inlet pipe 30 with a control pump is arranged at the center of the top of the nitrogen high-pressure tank 29, and air charging pipe connectors 28 for connecting with the air charging pipe connectors 24 at corresponding positions are respectively installed at both sides of the top and the bottom of the nitrogen high-pressure tank 29.
The first effect of the nitrogen pre-filled explosion-proof unit is: quantitative nitrogen is provided to the interiors of the four piston cavities 19 at the two sides of the vertical buffer shock absorption unit according to the requirement, so that the purposes of controlling the buffer effect and the pre-compression effect of the corresponding vertical buffer shock absorption unit are achieved; the second function is that, when the pressure vessel unit 6 leaks to the outside due to the too high pressure caused by the impact, the nitrogen high pressure tank 29 will control the corresponding pipeline to open and continuously supply nitrogen to the piston cavity 19 at the corresponding side after receiving the leakage signal of the pressure vessel unit 6, and control the corresponding release solenoid valve 27 to open, the high pressure nitrogen will continuously spray into the space between the outer end buffer member and the pressure vessel unit 6 and rapidly discharge outwards through the central through hole of the outer end positioning disk 15, so as to carry and discharge the gas leaking and abutting on the part, and the gas can be directly discharged to the external environment and achieve the purpose of diluting the leaked gas through the nitrogen wrapping and impact, thereby reducing the risk of explosion due to high concentration aggregation in the current narrow space.
The specific working principle is as follows: before the assembly is carried out, the corresponding pressure container units 6 filled with explosive gas are placed and installed in the container storage cavities 5 of the vehicle-mounted container groups 2 according to the requirements, and the pressure container units 6 with the corresponding sizes are abutted and limited by controlling the corresponding inner end buffer mechanisms, outer end buffer mechanisms, upper buffer mechanisms and lower buffer mechanisms, and meanwhile, a certain damping buffer range is reserved; the inside of each container storage cavity 5 that sets up here can load similar but not unidimensional pressure vessel unit 6, and each pressure vessel unit 6 is installed the back and is placed on the transportation carriage 1 with each on-vehicle container group 2 hoist and mount in proper order, when needing to place the multilayer, each on-vehicle container group 2 slides in proper order and stacks the setting. The invention realizes stable placement of a plurality of groups of vehicle-mounted container groups 2 in a stacking manner, ensures the stability in the transportation process, simultaneously realizes quick installation or disassembly of each vehicle-mounted container group 2 in a sliding pulling manner, and ensures quick transportation and transfer by matching with transportation equipment when the vehicle-mounted container groups are lifted and lowered before and after transportation. The inside both ends of every on-vehicle container group 2 of design all are used for storing a pressure vessel unit 6 here, can guarantee the holistic shock attenuation ability of pressure vessel unit 6 in the transportation through multidirectional buffering, reduce the quick shock attenuation buffering when pressure vessel unit 6 appears striking and rocking along with the vehicle transportation effectively, cooperate inner buffer gear, outer buffer gear, upper buffer gear, lower buffer gear at shock attenuation buffering's in-process, realize all-round shock attenuation buffering.
In addition, the purpose of adjusting the vibration damping amplitude in the vertical and horizontal directions according to the actual size matching can be achieved according to the small amplitude variation of the current pressure vessel unit 6 in the vertical and horizontal directions. The multidirectional buffering vibration reduction can ensure the rapid control of the vibration amplitude of the pressure container unit 6, avoid excessive vibration, and simultaneously realize single control and adjustment of the buffering vibration reduction amplitude in all directions by adjusting the inner end buffering mechanism, the outer end buffering mechanism, the upper buffering mechanism and the lower buffering mechanism according to the transportation requirement, and realize the buffering effect according to the requirement.
Each vehicle-mounted container group 2 is connected by a sliding clamp, so that the smoothness of installation and disassembly is ensured; meanwhile, the purpose of abutting against the inner wall of the corresponding transport carriage 1 by means of the adjusting handwheels 14 is achieved by adjusting the adjusting handwheels 14 on each outer end buffer mechanism, so that shaking in the transport process is reduced, and meanwhile, grid baffles can be arranged on two sides of the rigid shell 3 in a cushioning mode to achieve the purpose of limiting; the pressure release and diversion components for collision pressure application are adopted in each pressure container unit 6 to realize the safe pressure application after preliminary collision or internal pressure increase, so that the safety of the pressure container units 6 is ensured; the upper buffer mechanism, the lower buffer mechanism, the upper buffer mechanism and the lower buffer mechanism which are matched with the pressure container unit 6 and are arranged at the lateral sides of the pressure container unit 6 can play a role in multidirectional limiting and damping, so that the impact on the pressure container unit 6 can be reduced from the outside, the influence of external vibration or impact load on the pressure value inside the pressure container unit 6 is reduced, and the safety buffer effect is played; according to the invention, the nitrogen pre-filling explosion-proof unit is matched with the vertical buffering damping unit at the corresponding side to realize quick release of nitrogen so as to quickly surround and rush out the explosive gas generated by leakage to the external environment, thereby realizing quick dilution and external discharge of the explosive gas and preventing risks caused by concentrated aggregation of the explosive gas.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; any alternative modifications or variations to the embodiments of the present invention will fall within the scope of the present invention for those skilled in the art.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.

Claims (4)

1. A stacked vehicle-mounted secure transport container assembly, characterized by: the vehicle-mounted container group is stacked from top to bottom and is arranged in the transportation carriage, two sides of the vehicle-mounted container group are respectively abutted on the inner wall of the transportation carriage at the corresponding side, and two adjacent vehicle-mounted container groups are arranged in a sliding clamping manner; the vehicle-mounted container group comprises a rigid shell which is horizontally arranged, a nitrogen pre-filling explosion-proof unit is arranged in a vertical cavity in the middle of the rigid shell, container storage cavities which are horizontally arranged are arranged at two ends of the rigid shell, and a pressure container unit is arranged in each container storage cavity; the inner ends of the pressure container units are respectively abutted on inner end buffer mechanisms at the inner ends of the container storage cavities at corresponding positions, the outer ends of the pressure container units are respectively abutted on outer end buffer mechanisms at the outer ends of the container storage cavities at corresponding positions, and upper buffer mechanisms and lower buffer mechanisms are respectively arranged in the upper part and the lower part of the pressure container units; the sliding grooves are fixedly welded on the two sides of the top of each rigid shell, the sliding rails are fixedly welded on the two sides of the bottom of each rigid shell, and the sliding rails of the upper rigid shell are slidably clamped in the corresponding sliding grooves of the adjacent lower rigid shells in the installation state;
the inner end buffer mechanism, the outer end buffer mechanism, the upper buffer mechanism and the lower buffer mechanism which are positioned in the same container storage cavity are matched to realize multidirectional buffer and shock absorption of the pressure container unit; the nitrogen pre-filling explosion-proof unit is used for being connected with the upper buffer mechanism and the lower buffer mechanism at the corresponding positions on two sides of the nitrogen pre-filling explosion-proof unit and controlling the damping amplitude of the upper buffer mechanism and the lower buffer mechanism;
the outer end buffer mechanism comprises an outer end cover which is fixedly mounted at the end expanding end face of the end part of the rigid shell in a bolting way, an air inlet and outlet pipe joint at the center of the outer end of the pressure container unit movably penetrates through a central through hole of the outer end cover and extends to the outer side of the outer end cover, an outer end buffer piece is mounted in the container storage cavity between the outer end cover and the pressure container unit in a matched way, the inner end of the outer end buffer piece is abutted to the periphery of the outer end face of the pressure container unit, a buffer positioning screw rod is screwed in each threaded through hole at the end face of the outer end cover, the inner end of each buffer positioning screw rod is abutted to the outer end buffer piece in a working state, and an adjusting hand wheel is fixed at the outer end of each buffer positioning screw rod;
the outer end buffer piece comprises an outer end positioning disk which is matched and inserted in the storage cavity of the container, a central hole of the outer end positioning disk is sleeved on the periphery of the air inlet and outlet pipe joint, outer end supporting rings are arranged at intervals on the inner side of the outer end positioning disk, the outer end supporting rings are fixedly connected with the outer end positioning disk through a plurality of outer end buffer springs, and the inner ends of the outer end supporting rings are abutted to the outer end face of the main tank body of the pressure container unit;
the upper buffer mechanism and the lower buffer mechanism corresponding to the lower buffer mechanism are vertical buffer shock absorption units which are identical in structure and are symmetrically arranged, and a placement space for the pressure container unit at the current position to pass through is formed between the two vertical buffer shock absorption units;
the vertical buffering and damping unit comprises a piston bin fixedly arranged at the top or the bottom of the container storage cavity, a lifting piston disc is arranged in the piston cavity of the piston bin in a sealing manner, a pushing plate seat is arranged between the piston bin and the pressure container unit at the current position, two ends of the pushing plate seat are vertical, the inner side walls of the pushing plate seat are respectively abutted to the outer side walls of the two sides of the piston bin, two pushing columns are fixedly arranged in the middle of the pushing plate seat at intervals, the inner ends of the pushing columns are movably and hermetically extended into the piston cavity and fixedly connected with the lifting piston disc, and a plurality of vertical damping springs are fixedly arranged between the piston bin and the pushing plate seat at intervals;
the piston cavity far away from one side of the pressure container unit is filled with nitrogen, an air supplementing pipe joint and a release pipe joint are respectively arranged at the inner end and the outer end of the piston bin, an air supplementing electromagnetic valve and a release electromagnetic valve are respectively arranged at the air supplementing pipe joint and the release pipe joint, the outlet end of the release pipe joint extends into a space between the outer end buffer piece and the pressure container unit, and the air supplementing end of the air supplementing pipe joint extends into the middle vertical cavity and is connected with an end pipe joint corresponding to the nitrogen pre-filling explosion-proof unit.
2. A stacked vehicle-mounted secure transport container assembly as defined in claim 1 wherein: the pressure vessel unit comprises a main tank body which is horizontally arranged, wherein the outer end of the main tank body is an air inlet and outlet end, the inner end of the main tank body is a plugging end in a transportation state, an air inlet and outlet electromagnetic valve is arranged on an air inlet and outlet pipe joint in the middle of the outer end of the main tank body, the outer end of the air inlet and outlet pipe joint penetrates out to the outer side of the outer end buffer mechanism, a pressure relief and diversion component is arranged at the inner end of the main tank body, and the pressure relief and diversion component is used for safely relieving pressure inside the main tank body when the air pressure inside the main tank body exceeds a preset air pressure value.
3. A stacked vehicle-mounted secure transport container assembly as defined in claim 2 wherein: the inner end buffer mechanism comprises an inner end supporting disc arranged in the inner end of the container storage cavity, the inner end supporting disc is fixedly arranged on the inner end face of the container storage cavity through a plurality of inner end buffer springs, the outer end of the inner end supporting disc is abutted to the inner end face of the pressure container unit, and the outer diameter of the inner end supporting disc is smaller than the inner end face of the pressure container unit.
4. A stacked vehicle-mounted secure transport container assembly as defined in claim 3 wherein: the nitrogen pre-filling explosion-proof unit comprises a nitrogen high-pressure tank which is installed in the middle vertical cavity in a matched mode, the bottom of the nitrogen high-pressure tank is fixed at the bottom of the middle vertical cavity by means of supporting legs, a nitrogen inlet pipe with a control pump is arranged at the center of the top of the nitrogen high-pressure tank, and end pipe connectors which are used for being connected with air supplementing pipe connectors at corresponding positions are respectively installed at the top and the two sides of the bottom of the nitrogen high-pressure tank.
CN202311634800.4A 2023-12-01 2023-12-01 Stacked vehicle-mounted safe transport container assembly Active CN117329446B (en)

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