CN214532205U - LNG storage tank outer tank wall reinforcing bar net piece antidumping device - Google Patents

Abstract

The utility model discloses an anti-overturning device for reinforcing mesh sheets on the outer tank wall of an LNG storage tank, which belongs to the technical field of chemical machinery, and adopts a rigid connection fixing form to rigidly fix two layers of reinforcing mesh sheets, thereby facilitating the ascending and descending of personnel after the building; the device comprises an anti-overturning column, pre-embedded connecting pieces, a base, a draw hook and a lifting lug, wherein the lifting lug is connected to the top end of the anti-overturning column; the draw hooks are provided with a plurality of groups, and the distance between adjacent groups is larger than the distance between the intra-group draw hooks with a plurality of draw hooks.

Description

LNG storage tank outer tank wall reinforcing bar net piece antidumping device

Technical Field

The utility model belongs to the technical field of chemical machinery, concretely relates to LNG storage tank outer tank wall reinforcing bar net piece antidumping device.

Background

In the current domestic LNG storage tank construction, the design forms of the tank wall steel mesh sheets are single-layer steel mesh sheets and double-layer steel mesh sheets, the single-layer steel mesh sheets are about 4-5 m in width, and the double-layer steel mesh sheets are 9-10 m in width. The single-layer reinforcing mesh is shorter than the double-layer reinforcing mesh due to the amplitude-height ratio, the length-to-fineness ratio of reinforcing steel bars of the reinforcing mesh is smaller, the rigidity is relatively large during installation and operation, the overturning risk of the reinforcing mesh is low, but the amount of reinforcing steel bar joints is large, the material consumption is high, and the construction material saving is not facilitated. The single width of the double-layer steel bar net is 9-10 m, the length-to-fineness ratio of steel bars of the steel bar net is large, the rigidity is relatively small during installation and operation, the overturning risk of the steel bar net is large, however, the height of each steel bar net can cover two layers of outer tank wall construction sections, and the lapping number of steel bar joints is doubled compared with that of a single-layer steel bar net.

The inventor finds that the currently domestically designed LNG storage tank wall reinforcing steel bar mainly comprises double-layer reinforcing steel bar meshes, the reinforcing steel bar meshes are fixed in a flexible fixing mode of wind-resistant drawstrings or a scaffold mode, and the flexible fixing mode cannot rigidly fix the reinforcing steel bar meshes; the scaffold is taken and is torn open the process operation degree of difficulty greatly, and the safety risk is high, and it is more to consume the labour, and the scaffold sets up about the personnel after accomplishing that reinforcing bar net piece receives the influence.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing a LNG storage tank outer tank wall reinforcing bar net piece antidumping device adopts rigid connection's fixed form to form the rigidity fixed to two-layer reinforcing bar net piece, and the personnel of being convenient for are from top to bottom after putting up.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

the technical scheme of the utility model provides an LNG storage tank outer tank wall reinforcing bar net piece antidumping device, including antidumping post, pre-buried connecting piece, base, drag hook and lug, the lug is connected to the top of antidumping post, and the base is connected to the bottom of antidumping post, and a plurality of built-in fittings are connected to the bottom face of base, and the drag hook is still connected to the antidumping post, and the drag hook is used for connecting double-deck reinforcing bar net piece; the draw hooks are provided with a plurality of groups, and the distance between adjacent groups is larger than the distance between the intra-group draw hooks with a plurality of draw hooks.

Above-mentioned the utility model discloses a technical scheme's beneficial effect as follows:

1) the utility model discloses in use rigid connection's support, the support is located between the two-layer reinforcing bar net piece, and the support is connected simultaneously and is fixed two-layer reinforcing bar net piece, can change the flexible fixed technology of two width of cloth high reinforcing bar net piece anti-wind stretching strap, prevents that reinforcing bar net piece from toppling.

2) The utility model discloses in, the drag hook divide into the multiunit, and has the two-layer reinforcing bar net piece of connecting simultaneously among the multiunit drag hook, and this kind of design can make the power of connecting antidumping post part with the group drag hook offset partly, prevents that antidumping post from appearing the large deformation.

3) The utility model discloses in, use antidumping post and drag hook fixed connection's form, avoid using scaffold frame fixed reinforcement net piece form, reduce loaded down with trivial details technology of setting up in bulk, save the labour, improve reinforcement net piece installation work efficiency.

4) Adopt the mode of dismantlement formula connection to connect antidumping post and drag hook in this embodiment, it is big to solve traditional fixed mode scaffold frame and take the difficulty of tearing open, problem that the safe risk is high.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic overall structure diagram of the present invention according to one or more embodiments;

FIG. 2 is a schematic view of a retractor according to one or more embodiments of the present invention;

fig. 3 is a schematic diagram of a pre-buried connector structure according to one or more embodiments of the present invention;

fig. 4 is a schematic view of a shackle structure according to one or more embodiments of the present invention.

In the figure: 1. drag hook, 2, pre-buried connecting piece, 3, lug, 4, antidumping post, 5, base, 6, jar wall inboard reinforcing bar net piece, 7, jar wall outside reinforcing bar net piece, 11, vertical section, 12, the portion of expanding, 13, horizontal segment, 14, the nut of connecting the drag hook, 21, pre-buried connecting piece main part, 22, the nut that pre-buried connecting piece connects.

The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.

Detailed Description

It should be noted that any combination between the following embodiments is possible.

Example 1

The utility model discloses an among the typical embodiment, this embodiment discloses an LNG storage tank outer tank wall reinforcing bar net piece antidumping device, including antidumping post 4, embedded connecting piece 2, base 5, drag hook 1 and lug 3, antidumping post 4 sets up in LNG storage tank wall reinforcing bar side in order to form mechanics auxiliary stay to LNG storage tank wall reinforcing bar net piece, lug 3 is connected on the top of antidumping post 4 so that hoist and mount transportation, base 5 is connected to the bottom of antidumping post 4, a plurality of embedded parts are connected to the bottom face of base 5, drag hook 1 is still connected to antidumping post 4, drag hook 1 is used for containing being fixed in LNG storage tank wall outside reinforcing bar net piece 7 and the inboard reinforcing bar net piece 6 of tank wall with antidumping post 4, wherein antidumping post 4 is the screw-thread steel, embedded connecting piece 2 also is the screw-thread steel. The embodiment is used for carrying out supplementary fixed to LNG storage tank outer tank wall reinforcing bar net piece, and no matter what kind of LNG storage tank outer tank wall reinforcing bar net piece all need use 4 supplementary fixed of antidumping post to prevent structural incident. Therefore, the anti-overturning column 4 itself needs to have certain physical properties to support the outer tank wall reinforcing mesh of the LNG storage tank, and the anti-overturning column 4 needs to be connected with the outer tank wall reinforcing mesh of the LNG storage tank by using the draw hook 1, so that the draw hook 1 needs to be designed reasonably under the condition that the anti-overturning column 4 has enough physical properties, and further fixation of the outer tank wall reinforcing mesh of the LNG storage tank is facilitated.

Furthermore, the drag hook 1 is provided with a plurality of groups, each group of drag hook 1 comprises one or more drag hooks 1, and the distance between adjacent groups is larger than the distance between the intra-group drag hooks 1 with a plurality of drag hooks 1.

In this embodiment, the above-mentioned drag hook 1 is totally equipped with 3 groups, from top to bottom denominated first group drag hook 1, second group drag hook 1 and third group drag hook 1 respectively, and first group drag hook 1 includes a drag hook 1, and second group drag hook 1 and third group drag hook 1 all include two drag hooks 1.

In another embodiment, the above-mentioned drag hooks 1 are provided with 4 groups or more than 4 groups in total to cope with various construction conditions.

In another embodiment, 3 or more than 3 drag hooks 1 are provided in the group with a plurality of drag hooks 1.

Furthermore, the distance between the first group of draw hooks 1 and the second group of draw hooks 1 is the same as the distance between the second group of draw hooks 1 and the third group of draw hooks 1. The distance between two drag hooks 1 in the second group of drag hooks 1 is the same as the distance between two drag hooks 1 in the third group of drag hooks 1.

Further, drag hook 1 is including being horizontal segment 13 and the vertical section 11 that L shape is connected, and antidumping post 4 is connected to the front end of horizontal segment 13, and vertical section 11 connects the reinforcing bar net piece, and the reinforcing bar net piece of antidumping post 4 both sides is connected respectively to the vertical portion of two adjacent drag hooks 1 in the section of thick bamboo group.

The position that sets up of drag hook 1 in this embodiment is for the gravity balance nature of balanced drag hook 1 antidumping post 4 for antidumping post 4 each position of connecting drag hook 1 all can reach mechanical balance, avoids antidumping post 4 to have the tendency of toppling to one side at the node of connecting drag hook 1, deals with the stress concentration problem of antidumping better, prevents that antidumping post 4 from appearing metal fatigue and even bending. In addition, the stress concentration caused by the draw hook 1 in the anti-overturning column 4 can be counteracted to a certain extent through the connection mode.

Further, the base 5 is kept away from to the terminal orientation of 11 vertical sections of a plurality of drag hooks 1 to in order to provide ascending pulling force, here under the prerequisite of 13 perpendicular to antidumping posts 4 of drag hook 1 horizontal segment, 11 terminal positions in the position more than 1 horizontal segment 13 of drag hook 1 all the time of drag hook 1 vertical section, can provide ascending pulling force, in order to apply ascending pulling force to antidumping post 4 of drag hook 1, prevent that antidumping post 4 from sinking.

Furthermore, the plurality of drag hooks 1 are all made of deformed steel bars.

The length of the horizontal section 13 of the retractor 1 is greater than that of the vertical section 11 in this embodiment, so that convenience is brought to the retractor

Furthermore, one end of the drag hook 1 penetrates through the anti-overturning column 4 and is provided with a thread, the drag hook 1 positioned on one side of the anti-overturning column 4 is connected with a nut in a threaded manner, the drag hook 1 positioned on the other side of the anti-overturning column 4 is provided with an expansion part 12, and the nut and the expansion part 12 clamp the anti-overturning column 4. In the embodiment, the anti-overturning column 4 and the draw hook 1 are connected in the clamping mode, so that the operation is convenient, and the construction time can be obviously reduced.

Further, be located 1 threaded connection of drag hook on one side of antidumping post 4 and have a plurality of nuts to threaded connection is more firm between the messenger screw rod nut, prevents the problem that the nut pine takes off.

Further, base 5 is the flange seat, including a plate, and plate central point puts and is provided with the center round hole that is used for holding antidumping post 4, and plate four corners position is equipped with the aperture that is used for holding pre-buried connecting piece 2.

Further, the embedded connecting piece 2 is deformed steel bar; the top end of the deformed steel bar penetrates through the base 5 and is connected with a nut; inserting the bottom end of the deformed steel bar into the concrete matrix; the nut includes a plurality ofly to threaded connection is more firm between the messenger screw rod nut, prevents the problem that the nut pine takes off.

Further, the lifting lug 3 is connected with the end surface of the top end of the anti-overturning column 4.

Example 2

The utility model discloses an among the typical implementation, this embodiment discloses an anti-overturning method of outer jar of jar wall reinforcing bar net piece of LNG storage tank, uses as embodiment 1 an anti-overturning device of outer jar of jar wall reinforcing bar net piece of LNG storage tank, include following step:

s1, pre-burying the pre-buried connecting piece 2 in the embodiment 1 before the upper layer of concrete is poured;

s2, before the next layer of reinforcing mesh is bound, the base 5 and the embedded connecting piece 2 in the embodiment 1 are connected;

s3, in the process of installing the reinforcing steel bar mesh 6 on the inner side of the tank wall, connecting the reinforcing steel bar mesh with the draw hook 1 and then fixing the reinforcing steel bar mesh on the upright post;

s4, in the process of installing the steel bar net piece 7 on the outer side of the tank wall, connecting the steel bar net piece with the draw hook 1 and then fixing the steel bar net piece on the upright post;

and S5, after the reinforcing steel mesh is installed and the two layers of mesh tie bars are installed, the anti-overturning column 4 in the device in the embodiment 1 is detached before die assembly for recycling.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The anti-overturning device for the steel mesh sheets on the outer tank wall of the LNG storage tank comprises an anti-overturning column, pre-embedded connecting pieces, a base, drag hooks and lifting lugs, wherein the lifting lugs are connected to the top end of the anti-overturning column; the novel multifunctional combined retractor is characterized in that the retractor is provided with a plurality of groups, and the distance between adjacent groups is larger than the distance between the inner retractor hooks with a plurality of retractors.

2. The LNG storage tank outer tank wall reinforcing mesh piece anti-overturning device of claim 1, wherein the draw hooks comprise a horizontal section and a vertical section which are connected in an L shape, the front end of the horizontal section is connected with the anti-overturning column, the vertical section is connected with the LNG storage tank outer tank wall, and the vertical parts of two adjacent draw hooks in the cylinder group are respectively connected with the LNG storage tank outer tank walls on two sides of the anti-overturning column.

3. The LNG tank outer tank wall mesh reinforcement anti-overturning device of claim 2, wherein the ends of the vertical sections of the plurality of drag hooks face away from the base.

4. The LNG storage tank outer tank wall reinforcing mesh piece anti-overturning device of claim 1, wherein the surface of the draw hook is evenly provided with threads, one end of the draw hook penetrates through the anti-overturning column, the draw hook positioned on one side of the anti-overturning column is in threaded connection with a nut, the draw hook positioned on the other side of the anti-overturning column is provided with an expansion part, and the nut and the expansion part clamp the anti-overturning column.

5. The LNG storage tank outer tank wall reinforcing mesh piece anti-overturning device of claim 4, wherein the draw hook on one side of the anti-overturning column is in threaded connection with a plurality of nuts.

6. The LNG storage tank outer tank wall mesh reinforcement anti-overturning device of claim 1, wherein the base is a flange seat.

7. The LNG storage tank outer tank wall reinforcing mesh piece anti-overturning device of claim 1, wherein the embedded connecting piece is deformed steel bar.

8. The LNG storage tank outer tank wall mesh reinforcement anti-overturning device of claim 7, wherein the threaded steel top end passes through the base and is connected with a nut; the bottom end of the deformed steel bar is inserted.

9. The LNG tank outer tank wall mesh reinforcement anti-overturning device of claim 8, wherein the nut comprises a plurality of nuts.

10. The LNG storage tank outer tank wall mesh reinforcement anti-overturning device of claim 1, wherein the lifting lug is connected with the end surface of the top end of the anti-overturning column.

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