CN210069482U

CN210069482U - Liquefied natural gas transportation damping device

Info

Publication number: CN210069482U
Application number: CN201920810507.1U
Authority: CN
Inventors: 王雨; 高红星; 杨国亮
Original assignee: TIANJIN ENERGY TECHNOLOGY OF GAS Co Ltd
Current assignee: TIANJIN ENERGY TECHNOLOGY OF GAS Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-14
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to the technical field of natural gas transportation accessories, in particular to a liquefied natural gas transportation damping device which improves the fixing effect and the damping effect on a tank body, reduces the potential safety hazard and improves the practicability; the tank comprises two groups of bases and a tank body, wherein the top ends of the two groups of bases are respectively provided with a first arc-shaped supporting surface, a rubber layer is arranged on the first arc-shaped supporting surfaces, and the tank body is erected at the top ends of the two groups of bases; still include two sets of bottom plates, the bottom of two sets of bases is connected with the top of two sets of bottom plates respectively, be provided with two sets of fixing device and two sets of damping device on the bottom plate, fixing device includes sliding plate, screwed pipe, threaded rod, limiting plate, fixed spring, two-way cylinder, piston rod and installation ear, two sets of damping device are located the front side and the rear side of base respectively, two sets of damping device all include fixed plate, backup pad, multiunit guide pin bushing, multiunit guide pillar and multiunit damping spring, the backup pad be provided with the second arc holding surface.

Description

Liquefied natural gas transportation damping device

Technical Field

The utility model relates to a natural gas transportation auxiliary device's technical field especially relates to a liquefied natural gas transportation damping device.

Background

As is well known, an lng transportation damping device is an auxiliary device for damping an lng tank during an lng transportation process, thereby achieving safety, and is widely used in the field of gas transportation; the existing liquefied natural gas transportation damping device comprises two groups of bases and a tank body, wherein arc-shaped supporting surfaces are arranged at the top ends of the two groups of bases, rubber layers are arranged at the arc-shaped supporting surfaces, the tank body is erected at the top ends of the two groups of bases, and the top ends of the two groups of rubber layers are tightly attached to the bottom ends of the tank body; when the conventional liquefied natural gas transportation damping device is used, the tank body is supported by the two groups of bases, the tank body is limited by the arc-shaped supporting surface, and the friction between the tank body and the rubber layer is increased and the damping is performed; present liquefied natural gas transportation damping device discovers in using, and its arc support face through the base is spacing to the jar body, and is relatively poor to the fixed effect of the jar body, and is relatively poor to the shock attenuation effect of the jar body, still has certain potential safety hazard, leads to the practicality lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve fixed effect and the shock attenuation effect to the jar body, reduce the potential safety hazard, improve the liquefied natural gas transportation damping device of practicality.

The utility model discloses a liquefied natural gas transportation damping device, which comprises two groups of bases and a tank body, wherein the top ends of the two groups of bases are respectively provided with a first arc-shaped supporting surface, a rubber layer is arranged at the first arc-shaped supporting surface, and the tank body is erected at the top ends of the two groups of bases; the bottom ends of the two groups of bases are respectively connected with the top ends of the two groups of base plates, two groups of fixing devices and two groups of damping devices are arranged on the base plates, each fixing device comprises a sliding plate, a threaded pipe, a threaded rod, a limiting plate and a fixing spring, a through hole which is communicated from left to right is formed in the middle of each base plate, a bidirectional air cylinder is arranged in the middle of the through hole, piston rods are arranged at two ends of each bidirectional air cylinder, end parts of the two groups of piston rods are respectively connected with the two groups of sliding plates, one part of each group of sliding plates is positioned in the through hole, the other part of each group of sliding plates is positioned on two sides of the base plate, the bottom ends of the two groups of threaded pipes are respectively fixedly connected with the top ends of the two groups of sliding plates, an installation lug is arranged at the bottom outside of the tank body, a fixing through hole which is communicated up, the top end of the threaded rod passes through the fixed spring and is connected with the bottom end of the limiting plate, the two groups of damping devices are respectively positioned at the front side and the rear side of the base, each group of damping devices comprises a fixed plate, a supporting plate, a plurality of groups of guide sleeves, a plurality of groups of guide pillars and a plurality of groups of damping springs, the two groups of fixed plates are respectively and fixedly arranged at the front end and the rear end of the base, a plurality of groups of through mounting holes which are communicated up and down are arranged on the fixed plate, the bottom ends of the plurality of groups of guide sleeves respectively penetrate through the plurality of groups of through mounting holes from the top end of the fixed plate and are fixedly connected with the top end of the bottom plate, the bottom ends of the guide posts are respectively inserted into the top ends of the guide posts, the top ends of the guide posts respectively penetrate through the damping springs and are connected with the bottom end of the support plate, the top of multiunit damping spring all pastes tightly with the bottom of backup pad, and multiunit damping spring's bottom all pastes tightly with the top of fixed plate, be provided with the second arc holding surface of backup pad.

The utility model discloses a liquefied natural gas transportation damping device still includes the connecting rod, multiunit guide pin bushing all is provided with first bar hole towards one side bottom of base, the second bar hole that link up around being provided with on the base, the rear end of connecting rod passes the base rear from the rear end of base and is a set of the first bar hole of guide pin bushing and with the front end fixed connection of guide pillar, the front end of connecting rod passes second bar hole and base the place ahead a set of the first bar hole of guide pillar and the rear end fixed connection of guide pillar.

The utility model discloses a liquefied natural gas transportation damping device, the second arc holding surface of backup pad is located the top of first arc holding surface.

The utility model discloses a liquefied natural gas transportation damping device works as when the bottom of the jar body contacts with the top of first arc holding surface, still leave the clearance between the bottom of guide pillar and the top of base.

The utility model discloses a liquefied natural gas transportation damping device, the top of limiting plate is provided with rotatory cap.

The utility model discloses a liquefied natural gas transportation damping device, the top of the jar body is provided with a plurality of rings.

The utility model discloses a liquefied natural gas transportation damping device, the cross-section of sliding plate is the rectangle structure, fenestrate cross-section is the rectangle structure, and roof, diapire, antetheca and the back wall of sliding plate contact with fenestrate interior roof, interior diapire, preceding lateral wall and back lateral wall respectively.

The utility model discloses a liquefied natural gas transportation damping device, all be provided with the forked tail spout on fenestrate preceding lateral wall, back lateral wall and the interior diapire, front end, rear end and the bottom of sliding plate all are provided with the forked tail slider, the forked tail slider slides and sets up in the forked tail spout.

Compared with the prior art, the beneficial effects of the utility model are that: according to the width of the jar body, drive two sets of piston rods respectively through two-way cylinder and drive two sets of sliding plates or carry on mutually the back and forth movement, make the screwed pipe just be located the threaded rod under, then insert the bottom of threaded rod and spiral shell dress to the top of screwed pipe inside, fixed spring's top and bottom are pasted tightly with the bottom of limiting plate and the top of installation ear respectively, can prevent that the jar body from taking place the skew on the horizontal direction, improve the fixed effect to the jar body, the backup pad through the base both sides supports the jar body, multiunit damping spring through the backup pad bottom damps, the stability of support is guaranteed in the cooperation through multiunit guide pillar and multiunit guide pin bushing, thereby improve the shock attenuation effect to the jar body, reduce the potential safety hazard, improve the practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the connection of the bottom plate, the base and the damping device of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the present invention at a portion B of fig. 1;

fig. 5 is a schematic perspective view of the base of the present invention;

fig. 6 is a schematic perspective view of the support plate of the present invention;

in the drawings, the reference numbers: 1. a base; 2. a tank body; 3. a first arcuate bearing surface; 4. a base plate; 5. a sliding plate; 6. a threaded pipe; 7. a threaded rod; 8. a limiting plate; 9. fixing the spring; 10. a bidirectional cylinder; 11. a piston rod; 12. mounting lugs; 13. a fixing plate; 14. a support plate; 15. a guide sleeve; 16. a guide post; 17. a damping spring; 18. a second arcuate bearing surface; 19. a connecting rod; 20. a first bar-shaped hole; 21. a second bar-shaped hole; 22. rotating the cap; 23. a hoisting ring; 24. a dovetail slide block.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 6, the shock absorbing device for liquefied natural gas transportation of the present invention includes two sets of bases 1 and a tank body 2, wherein the top ends of the two sets of bases 1 are both provided with a first arc-shaped supporting surface 3, and a rubber layer is arranged on the first arc-shaped supporting surface 3, and the tank body 2 is erected on the top ends of the two sets of bases 1; still include two sets of bottom plates 4, the bottom of two sets of bases 1 is connected with the top of two sets of bottom plates 4 respectively, be provided with two sets of fixing device and two sets of damping device on the bottom plate 4, fixing device includes sliding plate 5, screwed pipe 6, threaded rod 7, limiting plate 8 and fixed spring 9, the perforation that link up about the middle part of bottom plate 4 is provided with, and be provided with two-way cylinder 10 at fenestrate middle part, two-way cylinder 10's both ends all are provided with piston rod 11, the tip of two sets of piston rod 11 is connected with two sets of sliding plates 5 respectively, a part of two sets of sliding plates 5 is located the perforation, another part of two sets of sliding plates 5 is located the both sides of bottom plate 4, the bottom of two sets of screwed pipe 6 respectively with the top fixed connection of two sets of sliding plates 5, the outside bottom of jar body 2 is provided with installation ear 12, and be provided with the fixed through-hole that link up from top of installation ear The top end of the threaded rod 7 penetrates through the fixed spring 9 and is connected with the bottom end of the limit plate 8, two groups of damping devices are respectively positioned at the front side and the rear side of the base 1, each group of damping devices comprises a fixed plate 13, a support plate 14, a plurality of groups of guide sleeves 15, a plurality of groups of guide pillars 16 and a plurality of groups of damping springs 17, the two groups of fixed plates 13 are respectively and fixedly arranged at the front end and the rear end of the base 1, a plurality of groups of through mounting through holes which are vertically communicated are arranged on the fixed plates 13, the bottom ends of the plurality of groups of guide sleeves 15 respectively penetrate through the plurality of groups of mounting through holes from the top end of the fixed plates 13 and are fixedly connected with the top end of the bottom plate 4, the bottom ends of the plurality of groups of guide pillars 16 are respectively inserted into the top ends of the plurality of groups of guide pillars 16, the top ends of the plurality of groups of guide pillars 16, the supporting plate 14 is provided with a second arc-shaped supporting surface 18; according to the width of the jar body, drive two sets of piston rods respectively through two-way cylinder and drive two sets of sliding plates or carry on mutually the back and forth movement, make the screwed pipe just be located the threaded rod under, then insert the bottom of threaded rod and spiral shell dress to the top of screwed pipe inside, fixed spring's top and bottom are pasted tightly with the bottom of limiting plate and the top of installation ear respectively, can prevent that the jar body from taking place the skew on the horizontal direction, improve the fixed effect to the jar body, the backup pad through the base both sides supports the jar body, multiunit damping spring through the backup pad bottom damps, the stability of support is guaranteed in the cooperation through multiunit guide pillar and multiunit guide pin bushing, thereby improve the shock attenuation effect to the jar body, reduce the potential safety hazard, improve the practicality.

The utility model discloses a liquefied natural gas transportation damping device, still include connecting rod 19, multiunit guide pin bushing 15 all is provided with first bar hole 20 towards one side bottom of base 1, be provided with the second bar hole 21 that link up around on the base 1, the rear end of connecting rod 19 passes the first bar hole 20 of a set of guide pin bushing 15 behind base 1 and with the front end fixed connection of guide pillar 16 from the rear end of base 1, the front end of connecting rod 19 passes second bar hole 21 and the first bar hole 20 of a set of guide pillar 16 in front of base 1 and the rear end fixed connection of guide pillar 16; two sets of guide pillars that will be relative around through the connecting rod are connected, can prevent the jar body and hoist the back, and the condition that the bottom of guide pillar is deviate from the top of guide pin bushing to can link to each other two sets of backup pads are indirect, improve the supporting effect.

The utility model discloses a liquefied natural gas transportation damping device, a second arc-shaped supporting surface 18 of a supporting plate 14 is positioned above a first arc-shaped supporting surface 3; the second arc supporting surface through the backup pad supports the jar body at ordinary times, carries out the shock attenuation through multiunit damping spring to the bottom of the jar body, carries out the shock attenuation through multiunit fixed spring to the going upward of the jar body, and jar body bottom and the rubber layer contact of first arc supporting surface when jolting further carry out the shock attenuation to the jar body.

When the bottom end of the tank body 2 contacts with the top end of the first arc-shaped supporting surface 3, a gap is still left between the bottom end of the guide pillar 16 and the top end of the base 1; through the bottom when the jar body and the contact back of first arc holding surface, still leave the clearance between the bottom of guide pillar and the top of bottom plate to the cushioning effect of full play rubber layer.

The utility model discloses a liquefied natural gas transportation damping device, the top of limiting plate 8 is provided with a rotating cap 22; can rotate limiting plate and threaded rod through rotatory cap, improve the reliability of using.

The utility model discloses a liquefied natural gas transportation damping device, the top end of a tank body 2 is provided with a plurality of lifting rings 23; hoisting equipment is used for hoisting the hoisting ring, so that the tank body is convenient to carry.

The utility model discloses a liquefied natural gas transportation damping device, the cross-section of sliding plate 5 is the rectangle structure, and the perforated cross-section is the rectangle structure, and roof, diapire, front wall and back wall of sliding plate 5 contact with perforated inner roof, inner diapire, front lateral wall and back lateral wall respectively; the stability of the skateboard deck in the perforation is improved.

The utility model discloses a liquefied natural gas transportation damping device, all be provided with the forked tail spout on perforated preceding lateral wall, back lateral wall and the interior diapire, the front end, the rear end and the bottom of sliding plate 5 all are provided with forked tail slider 24, and forked tail slider 24 slides and sets up in the forked tail spout; further improving the stability of the sliding plate sliding in the through hole.

The utility model discloses a liquefied natural gas transportation damping device, it is at work, before accomplishing above-mentioned action, at first move it to the position that the user needed, according to the width of jar body, drive two sets of piston rods respectively through two-way cylinder and drive two sets of sliding plates and move towards each other or back to each other, make the screwed pipe just be located under the threaded rod, then insert the bottom of threaded rod and spiral shell dress to the inside top of screwed pipe, the top and the bottom of fixed spring respectively with the bottom of limiting plate and the top of installation ear hug closely, can prevent that the jar body from taking place the skew in the horizontal direction, improve the fixed effect to the jar body, support the jar body through the backup pad of base both sides, the multiunit damping spring through the backup pad bottom damps, guarantee the stability of support through the cooperation of multiunit guide pillar and multiunit guide pin bushing, thereby improve the shock attenuation effect, reduces the potential safety hazard, improves the practicability, can prevent the bottom ends of the guide posts from being separated from the top end of the guide sleeve after the tank body is lifted by connecting two groups of guide posts which are opposite from each other in front and back through the connecting rod, and the two groups of supporting plates can be indirectly connected, the supporting effect is improved, the tank body is supported through the second arc-shaped supporting surface of the supporting plate at ordinary times, the bottom of the tank body is damped by a plurality of groups of damping springs, the ascending of the tank body is damped by a plurality of groups of fixing springs, the bottom of the tank body is contacted with the rubber layer of the first arc-shaped supporting surface when the tank body jolts, the tank body is further damped, after the bottom end of the tank body is contacted with the first arc-shaped supporting surface, a gap is still left between the bottom end of the guide post and the top end of the bottom plate, thereby the cushioning effect of full play rubber layer further improves the stability that the sliding plate slided in the perforation through the sliding fit of forked tail spout and forked tail slider.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A damping device for liquefied natural gas transportation comprises two groups of bases (1) and a tank body (2), wherein first arc-shaped supporting surfaces (3) are arranged at the top ends of the two groups of bases (1), a rubber layer is arranged at the first arc-shaped supporting surfaces (3), and the tank body (2) is erected at the top ends of the two groups of bases (1); the damping device is characterized by further comprising two groups of bottom plates (4), the bottom ends of the two groups of bases (1) are respectively connected with the top ends of the two groups of bottom plates (4), two groups of fixing devices and two groups of damping devices are arranged on the bottom plates (4), each fixing device comprises a sliding plate (5), a threaded pipe (6), a threaded rod (7), a limiting plate (8) and a fixing spring (9), a through hole which penetrates from left to right is formed in the middle of each bottom plate (4), a bidirectional cylinder (10) is arranged in the middle of each through hole, piston rods (11) are arranged at two ends of each bidirectional cylinder (10), the end parts of the two groups of piston rods (11) are respectively connected with the two groups of sliding plates (5), one part of the two groups of sliding plates (5) is positioned in the through hole, the other part of the two groups of sliding plates (5) is positioned at two sides of the bottom plates (4), and the bottom ends of, the bottom of the outer side of the tank body (2) is provided with an installation lug (12), a fixing through hole which is communicated up and down is formed in the installation lug (12), the bottom end of the threaded rod (7) penetrates through the fixing through hole from the top end of the installation lug (12) and is inserted into the top end of the threaded pipe (6) in a screw-mounted mode, the top end of the threaded rod (7) penetrates through the fixing spring (9) and is connected with the bottom end of the limiting plate (8), the two damping devices are respectively located on the front side and the rear side of the base (1), the two damping devices respectively comprise a fixing plate (13), a supporting plate (14), a plurality of groups of guide sleeves (15), a plurality of groups of guide columns (16) and a plurality of groups of damping springs (17), the two groups of fixing plates (13) are respectively and fixedly installed at the front end and the rear end of the base (1), a plurality of groups of installation through holes which are communicated up and down are formed in the fixing plate (13), and the bottom ends The bottom ends of the multiple groups of guide pillars (16) are respectively inserted into the top ends of the multiple groups of guide pillars (16), the top ends of the multiple groups of guide pillars (16) respectively penetrate through the multiple groups of damping springs (17) and are connected with the bottom ends of the supporting plates (14), the top ends of the multiple groups of damping springs (17) are respectively attached to the bottom ends of the supporting plates (14), the bottom ends of the multiple groups of damping springs (17) are respectively attached to the top ends of the fixing plates (13), and the supporting plates (14) are provided with second arc-shaped supporting surfaces (18).

2. The liquefied natural gas transportation damping device according to claim 1, further comprising a connecting rod (19), wherein the bottom of one side of each of the plurality of sets of guide sleeves (15) facing the base (1) is provided with a first strip-shaped hole (20), the base (1) is provided with a second strip-shaped hole (21) which is through from front to back, the rear end of the connecting rod (19) passes through the first strip-shaped holes (20) of the set of guide sleeves (15) behind the base (1) from the rear end of the base (1) and is fixedly connected with the front end of the guide pillar (16), and the front end of the connecting rod (19) passes through the second strip-shaped holes (21) and the first strip-shaped holes (20) of the set of guide pillars (16) in front of the base (1) and is fixedly connected with the rear end of the guide pillar (16).

3. A lng carrier damping device according to claim 2, characterized in that the second arc-shaped support surface (18) of the support plate (14) is located above the first arc-shaped support surface (3).

4. A shock absorbing device for lng transportation according to claim 3, wherein when the bottom end of the tank (2) contacts the top end of the first arc-shaped supporting surface (3), a gap is still left between the bottom end of the guide post (16) and the top end of the base (1).

5. The LNG transport shock absorbing device as claimed in claim 4, wherein the top end of the restriction plate (8) is provided with a rotation cap (22).

6. The liquefied natural gas transportation damping device as claimed in claim 5, wherein a plurality of rings (23) are provided at the top end of the tank body (2).

7. The lng carrier damping device according to claim 6, wherein the sliding plate (5) has a rectangular cross-section, the perforated plate has a rectangular cross-section, and the top wall, the bottom wall, the front wall and the rear wall of the sliding plate (5) are in contact with the perforated inner top wall, the inner bottom wall, the front side wall and the rear side wall, respectively.

8. The LNG transport shock absorbing device as claimed in claim 7, wherein dovetail sliding grooves are formed in the front side wall, the rear side wall and the inner bottom wall of the through hole, dovetail sliders (24) are formed in the front end, the rear end and the bottom end of the sliding plate (5), and the dovetail sliders (24) are slidably arranged in the dovetail sliding grooves.