CN213576776U

CN213576776U - Safety device of liquid nitrogen tank

Info

Publication number: CN213576776U
Application number: CN202022515506.XU
Authority: CN
Inventors: 许尧龙; 王林章; 耿文革; 孙朝华
Original assignee: Beijing Shougang Gas Co ltd
Current assignee: Beijing Shougang Gas Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-29
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a safety protection device of a liquid nitrogen tank, which comprises a fixed seat, a liquid nitrogen tank main body, a protective shell and a placing plate, wherein the fixed seat is arranged into a cylindrical structure, the liquid nitrogen tank main body is arranged above the fixed seat, two groups of protective shells which are symmetrically arranged are arranged on the periphery of the liquid nitrogen tank main body, the two groups of protective shells are arranged into an arc-shaped structure, two groups of two ends of the protective shells are respectively locked and connected through a plurality of groups of connecting mechanisms, and the placing plate with the outer diameter larger than that of the liquid nitrogen tank main body is arranged inside; the connecting mechanism comprises two groups of connecting lugs and a group of locking screw rods with nuts, the bottom end of the liquid nitrogen tank main body penetrates through a fixing port formed in the top end of the fixing seat and extends to the inside of the fixing seat, the bottom end of the liquid nitrogen tank main body is fixedly welded with the placing plate, and the upper surface of the placing plate is provided with four groups of moving holes arranged in an annular array. This safety device of liquid nitrogen container, simple structure, protectiveness is good.

Description

Safety device of liquid nitrogen tank

Technical Field

The utility model belongs to the technical field of the liquid nitrogen container, concretely relates to safety device of liquid nitrogen container.

Background

The liquid nitrogen tank can be generally divided into a liquid nitrogen storage tank and a liquid nitrogen transport tank, wherein the storage tank is mainly used for standing storage of indoor liquid nitrogen and is not suitable for long-distance transport in a working state, the liquid nitrogen transport tank is specially designed for shock prevention in order to meet transport conditions, can be used for transportation in a liquid nitrogen filling state besides standing storage, but also can avoid severe collision and shock, and is mainly used for active preservation of animal semen, active preservation of biological samples, cryogenic treatment of metal materials, cryogenic assembly of precision parts, refrigeration and freezing of medical and health industries and medical operation refrigeration lamps;

most of liquid nitrogen containers in the market are simple in structure, are easy to collide frequently and are damaged, and have no good high-pressure-resistant protection effect, so that the whole usability is reduced.

Therefore, in order to meet the current situation, the design and production of a safety protection device of a liquid nitrogen tank are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device of liquid nitrogen container to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety protection device for a liquid nitrogen tank comprises a fixed seat, a liquid nitrogen tank main body, protection shells and a placing plate, wherein the fixed seat is arranged in a cylindrical structure, the liquid nitrogen tank main body is arranged above the fixed seat, two groups of protection shells which are symmetrically arranged are arranged on the periphery of the liquid nitrogen tank main body, the two groups of protection shells are arranged in an arc-shaped structure, two ends of each group of protection shells are respectively locked and connected through a plurality of groups of connecting mechanisms, and the placing plate with the outer diameter larger than that of the liquid nitrogen tank main body is arranged inside the fixed seat;

coupling mechanism includes two sets of engaging lugs and a set of locking screw who has the nut, inside liquid nitrogen container main part bottom passed the fixed mouthful of seting up on the fixing base top and extended to the fixing base, liquid nitrogen container main part bottom with place board fixed weld, place the board upper surface and set up the removal hole that four groups of ring array arranged, and all be provided with the sliding connection in every group removal hole and have the movable rod.

Preferably, the two groups of connecting lugs are fixedly welded with the two groups of protective shells respectively, and the two groups of connecting lugs are fixedly connected through locking screws with nuts.

Preferably, the movable rod respectively with two sets of horizontal inner wall fixed welding of fixing base, the movable rod periphery cover is equipped with compression spring, and compression spring sets up and is placing between board and the inside diapire of fixing base.

Preferably, there is the clearance liquid nitrogen container main part inside, and the clearance intussuseption is filled with heat preservation and insulating layer, heat preservation and the setting of closely laminating of insulating layer, liquid nitrogen container main part surface parcel has the wearing layer.

Preferably, two sets of the relative one side of protecting crust all bonds there is the rubber pad, the rubber pad is kept away from protecting crust one end and is contradicted on liquid nitrogen container main part outer wall.

Preferably, the bottom wall of the inner wall of the fixed seat is bonded with a damping pad, and the damping pad and the placing plate are arranged on the same axis.

The utility model discloses a technological effect and advantage: according to the safety protection device for the liquid nitrogen tank, the two groups of protection shells are bound on the periphery of the liquid nitrogen tank main body through the connecting mechanism, and meanwhile, the damage of external acting force on the liquid nitrogen tank main body is reduced due to the buffering effect of the rubber pad, so that the usability of the whole safety protection device is improved; through the matching use of the placing plate, the movable rod, the damping pad and the compression spring, the vibration generated in the moving process of the liquid nitrogen tank main body is reduced, and the service life of the whole body is prolonged; the heat-insulating layer and the heat-insulating layer play a role in heat insulation of the liquid nitrogen tank main body; this safety device of liquid nitrogen container, simple structure, protectiveness is good.

Drawings

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

fig. 2 is a sectional view of the fixing base of the present invention;

fig. 3 is a partial sectional view of the liquid nitrogen container main body of the present invention.

In the figure: the liquid nitrogen container comprises a fixed seat 1, a liquid nitrogen container body 2, a heat insulation layer 21, a heat insulation layer 22, a wear-resistant layer 23, a protective shell 3, a rubber pad 4, a connecting lug 5, a locking screw rod 6, a placing plate 7, a movable rod 8, a damping pad 9 and a compression spring 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a safety protection device of a liquid nitrogen tank as shown in figures 1-3, which comprises a fixed seat 1, a liquid nitrogen tank main body 2, a protective shell 3 and a placing plate 7, wherein the fixed seat 1 is arranged into a cylindrical structure, the liquid nitrogen tank main body 2 is arranged above the fixed seat 1, two groups of protective shells 3 which are symmetrically arranged are arranged at the periphery of the liquid nitrogen tank main body 2, the two groups of protective shells 3 are arranged into an arc-shaped structure, two ends of the two groups of protective shells 3 are respectively locked and connected through a plurality of groups of connecting mechanisms, and the placing plate 7 with an outer diameter larger than that of the liquid nitrogen tank main body 2 is arranged inside the fixed;

coupling mechanism includes two sets of engaging lugs 5 and a set of locking screw 6 that has the nut, the fixed mouth that 1 top of fixing base was seted up is passed and is extended to inside the fixing base 1 to 2 bottoms of liquid nitrogen container main part, 2 bottoms of liquid nitrogen container main part with place 7 fixed weld of board, place 7 upper surfaces of board and set up the removal hole that four groups of annular array arranged, and all be provided with sliding connection in the removal hole of every group and have the movable rod 8, liquid nitrogen container main part 2 receives vibrations, moves along with placing 7 vertical motion on movable rod 8 of board, places board 7 simultaneously and compresses multiunit compression spring 10 to reduce the vibrations of liquid nitrogen container main part 2, improved this holistic life.

Specifically, it is two sets of engaging lug 5 respectively with two sets of protecting crust 3 fixed weld, two sets of engaging lug 5 makes things convenient for protecting crust 3 to install and dismantle on liquid nitrogen container main part 2 through the 6 fixed connection of locking screw that have the nut.

Specifically, the movable rod 8 respectively with 1 two sets of horizontal inner wall fixed weld of fixing base, 8 periphery covers of movable rod are equipped with compression spring 10, and compression spring 10 sets up and is placing between board 7 and the 1 inside diapire of fixing base.

Specifically, there is the clearance liquid nitrogen container main part 2 is inside, and the clearance intussuseption is filled with heat preservation 22 and insulating layer 21, heat preservation 22 and the setting of closely laminating of insulating

layer

21, 2 surface parcel of liquid nitrogen container main part have wearing layer 23, and heat preservation 22 and insulating layer 21 play the thermal-insulated heat retaining effect to the liquid nitrogen container main part, and wearing layer 23 sets up the wearability that improves liquid nitrogen container main part 2.

Specifically, it is two sets of all there is rubber pad 4 to bond in the relative one side of protecting

crust

3, 3 one end conflicts on liquid nitrogen container main part 2 outer wall of protecting crust are kept away from to rubber pad 4, and rubber pad 4's setting has reduced the influence of external effort to liquid nitrogen container main part 2.

Specifically, 1 inner wall diapire of fixing base bonds and has damping pad 9, damping pad 9 sets up on the same axis with placing board 7, and damping pad 9's setting plays the cushioning effect to liquid nitrogen container main part 2, improves liquid nitrogen container main part 1's life.

The theory of operation, this liquid nitrogen container's safety device, when using, at first place two sets of protecting crust 3 laminating in 2 both sides of liquid nitrogen container main part, make 3 inboard rubber pads 4 of two sets of protecting crust laminate mutually with 2 outer walls of liquid nitrogen container main part, utilize the locking screw 6 that the multiunit has the nut to correspond two sets of engaging lugs 5 respectively to carry out fixed connection afterwards, then with this moving as a whole on the transportation equipment, at the in-process that the transportation equipment removed, liquid nitrogen container main part 2 receives vibrations, along with place board 7 and move on movable rod 8 vertical motion, place board 7 simultaneously and compress multiunit compression spring 10, thereby the vibrations of liquid nitrogen container main part 2 have been reduced, this holistic life has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a safety device of liquid nitrogen container, includes fixing base (1), liquid nitrogen container main part (2), protecting crust (3) and places board (7), its characterized in that: the fixing seat (1) is of a cylindrical structure, a liquid nitrogen tank main body (2) is arranged above the fixing seat (1), two groups of symmetrically arranged protective shells (3) are arranged on the periphery of the liquid nitrogen tank main body (2), the two groups of protective shells (3) are both of an arc-shaped structure, two ends of each group of protective shells (3) are respectively connected in a locking manner through a plurality of groups of connecting mechanisms, and a placing plate (7) with the outer diameter larger than that of the liquid nitrogen tank main body (2) is arranged inside the fixing seat (1);

coupling mechanism includes two sets of engaging lugs (5) and a set of locking screw (6) that have the nut, the fixed mouthful of seting up and extending to fixing base (1) inside is passed on fixing base (1) top to liquid nitrogen container main part (2) bottom, liquid nitrogen container main part (2) bottom with place board (7) fixed welding, place board (7) upper surface and set up the removal hole that four groups of annular array arranged, and every group removes downthehole all to be provided with sliding connection and has movable rod (8).

2. The safety device for the liquid nitrogen tank as claimed in claim 1, wherein: the two groups of the connecting lugs (5) are respectively fixedly welded with the two groups of the protective shells (3), and the two groups of the connecting lugs (5) are fixedly connected through locking screws (6) with nuts.

3. The safety device for the liquid nitrogen tank as claimed in claim 1, wherein: the utility model discloses a fixing base, including fixing base (1), movable rod (8) and fixing base (1), two sets of horizontal inner wall fixed weld of movable rod (8) respectively, the periphery cover of movable rod (8) is equipped with compression spring (10), and compression spring (10) set up and are placing between board (7) and the inside diapire of fixing base (1).

4. The safety device for the liquid nitrogen tank as claimed in claim 1, wherein: the inside clearance that exists of liquid nitrogen container main part (2), and the clearance intussuseption is filled with heat preservation (22) and insulating layer (21), heat preservation (22) and insulating layer (21) closely laminate the setting, liquid nitrogen container main part (2) surface parcel has wearing layer (23).

5. The safety device for the liquid nitrogen tank as claimed in claim 1, wherein: two sets of one side that protective housing (3) is relative all bonds and has rubber pad (4), protective housing (3) one end is kept away from in rubber pad (4) is contradicted on liquid nitrogen container main part (2) outer wall.

6. The safety device for the liquid nitrogen tank as claimed in claim 1, wherein: the damping pad (9) is bonded to the bottom wall of the inner wall of the fixed seat (1), and the damping pad (9) and the placing plate (7) are arranged on the same axis.