CN217517833U

CN217517833U - Sealing structure for pressure-bearing building

Info

Publication number: CN217517833U
Application number: CN202221681244.7U
Authority: CN
Inventors: 刘飞香; 杨勇; 廖金军; 刘金书; 王卫强; 班成周; 张坚
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-30
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a sealing structure for pressure bearing buildings, which comprises a sealing component and a sealing connecting component; the pressure-bearing building comprises a steel structure and plates arranged on the steel structure; the utility model seals between the steel structure and the plate through the sealing element, thereby ensuring the sealing performance of the whole pressure-bearing building; can two sets of adjacent sealing members of high-speed joint through sealing connection assembly, can compensate the assembly error of sealing member, can also improve the assembly speed to sealing connection assembly can also seal the clearance between two sets of sealing members, in order to guarantee the sealing performance of the hookup location of two sets of sealing members.

Description

Sealing structure for pressure-bearing building

Technical Field

The utility model relates to a plateau building field, concretely relates to a seal structure for pressure-bearing building.

Background

The influence of the plateau environment on personnel is reduced by increasing the local environment air pressure in the pressure-bearing building, the maintenance of the local pressure is difficult for the pressure-bearing building, the high requirement on the air tightness of the pressure-bearing building is provided, and the steel structure building adopted in the plateau also brings new challenges to the sealing requirement.

In the prior art, the rigid air tightness of buildings is researched more, but a small part of normal-pressure flexible sealing structures, such as a bridge-cut-off aluminum alloy window, a waterproof vapor-permeable membrane, a waterproof vapor-barrier membrane and a sealant are adopted in an assembled steel structure to realize sealing, and the normal-pressure sealing structures are difficult to be directly applied to plateau pressure-bearing buildings.

In conclusion, a sealing structure for a pressure-bearing building is urgently needed to solve the problem that the steel structure pressure-bearing building is difficult to seal in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure for pressure-bearing building to solve the problem of the sealed difficulty of steel construction pressure-bearing building among the prior art, concrete technical scheme is as follows:

a sealing structure for pressure-bearing buildings comprises a sealing assembly and a sealing connecting assembly; the pressure-bearing building comprises a steel structure and plates arranged on the steel structure; the seal assembly includes a plurality of sets of seals; the sealing element is used for sealing between the steel structure and the plate; mounting positioning grooves are formed in two adjacent groups of sealing elements; the two ends of the sealing connecting assembly are respectively arranged in the installation positioning grooves, and the sealing connecting assembly is used for connecting and sealing two groups of sealing pieces.

Preferably, the multiple groups of sealing elements comprise H-shaped sealing elements; the H-shaped sealing element is used for sealing the joint gap of the steel structure and the plate.

The technical scheme is preferable, and the device further comprises a pressing mechanism for pressing the H-shaped sealing element on the steel structure; the pressing mechanism comprises a pressing rod and a fastener; the pressing rod is pressed on the H-shaped sealing element, and the fastening piece is used for fixing the pressing rod on a steel structure.

Preferably, the fastener comprises an arc-shaped pressing block, a nut and a bolt; the nut is fixed on the steel construction, and the intrados of arc briquetting closely laminates in the periphery of compressing tightly the pole, and the bolt runs through arc briquetting and compressing tightly the pole setting, and the bolt is connected with the nut.

Preferably, the sealing connection assembly comprises a connecting piece; both ends of the connecting piece are provided with swallow tails; the shape of the installation positioning groove is a dovetail groove matched with the dovetail part.

Preferably, a gap A is reserved between the dovetail part and the inner wall of the dovetail groove; the thickness of the connecting piece is greater than that of the sealing piece.

Preferably, in the technical scheme, the gap A is 0.5-1 mm; the thickness of the connecting piece is 2-3mm greater than that of the sealing piece.

Preferably, the sealing connection assembly further comprises a limiting mechanism; the limiting mechanism comprises a counter pull rod, a stop sheet and two groups of limiting plates; the stop piece is arranged in the connecting piece; the counter pull rod penetrates through the connecting piece and the stop piece, and the counter pull rod and the stop piece are fixed; two sets of limiting plates are respectively arranged at two ends of the opposite pull rod, the two sets of limiting plates are symmetrically arranged relative to the stop piece, and the limiting plates are abutted against the side wall of the sealing element to realize the limiting of the sealing element.

Above technical scheme is preferred, sealing member and connecting piece all adopt the elasticity material.

Above technical scheme is preferred, still including setting up the spacing billet between steel construction and panel.

Use the technical scheme of the utility model, following beneficial effect has:

(1) the utility model discloses a sealing structure for pressure-bearing building, which comprises a sealing component and a sealing connecting component; the pressure-bearing building comprises a steel structure and plates arranged on the steel structure; the utility model seals between the steel structure and the plate through the sealing element, thereby ensuring the sealing performance of the whole pressure-bearing building; can two sets of adjacent sealing members of high-speed joint through sealing connection assembly, can compensate the assembly error of sealing member, can also improve the assembly speed to sealing connection assembly can also seal the clearance between two sets of sealing members, in order to guarantee the sealing performance of the hookup location of two sets of sealing members.

(2) The utility model discloses the node clearance of steel construction can be sealed to the middle horizontal limit of the sealing member of H shape, and the sealed effect in steel construction building node clearance can be guaranteed to the sealing member of H shape promptly, has solved the steel construction and has used the sealed problem on the plateau.

(3) The utility model discloses when needing to seal up in the face of having L shape right angled operating mode, compress tightly the sealing member of H shape through compressing tightly the pole to fix compressing tightly the pole through the fastener, can laminate in the right angled internal joint with the sealing member of guaranteeing H shape, promptly the utility model discloses a hold-down mechanism and sealing member cooperate, adapt to complicated sealed operating mode.

(4) The fastener of the utility model comprises a nut, a bolt and an arc-shaped pressing block; the utility model discloses a cooperation of arc briquetting and bolt compresses tightly the sealing member of H shape, and the assembly mode is swift, and the arc briquetting can guarantee that the structure is firm.

(5) The utility model discloses the both ends of connecting piece all are provided with the swallow tail portion, and the installation constant head tank adopts forked tail complex form for the dovetail, can avoid adjacent two sets of sealing members to drop, plays the effect of anticreep to, the side of swallow tail portion is the inclined plane, fills up the dovetail more easily when the forked tail portion receives compressing tightly of panel, in order to guarantee sealed effect.

(6) The gap A is reserved between the dovetail part and the inner wall of the dovetail groove, the gap A is convenient for quick clamping during assembly, and the thickness of the connecting piece is larger than that of the sealing piece, so that after the dovetail part is assembled, the connecting piece is firstly deformed under the compression action of the plates, and then the gap A is filled and compacted to achieve a good sealing effect; preferably, the gap A is 0.5-1 mm; the thickness of the connecting piece is 2-3mm larger than that of the sealing piece, and a good sealing effect can be obtained under the condition that the dovetail part is convenient to assemble.

(7) The limiting mechanism of the utility model comprises a counter-pull rod, a stop sheet and two groups of limiting plates; the utility model discloses a two sets of limiting plates can carry on spacingly to adjacent two sets of sealing members, when panel compresses tightly promptly, adjacent two sets of sealing member atress has the trend of expanding outward to both sides (width direction's both sides promptly), and the limiting plate just in time can play draw in and extruded effect to guarantee sealed effect.

(8) The utility model discloses a sealing member and connecting piece all adopt the elastic material, under the effect that compresses tightly of panel, sealing member and connecting piece are because elastic deformation for clearance A between sealing member and the connecting piece can be filled up, and sealing performance is good, realizes compressing tightly sealed through the internal pressure that utilizes the pressure-bearing building promptly, and the elastic material has avoided steel construction concatenation node to adopt the rigid seal, has reduced the manufacturing and the installation required precision of steel construction, and the preparation of conveniently processing improves assembly efficiency.

(9) The utility model discloses a spacing billet can avoid panel excessive extrusion connecting piece and sealing member, can play the spacing effect of support.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In the drawings:

FIG. 1 is an axial view of the sealing structure of the present embodiment applied to a pressure bearing building;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top schematic view of the seal connection assembly of FIG. 1;

FIG. 4 is an axial schematic view of the seal connection assembly of FIG. 3;

FIG. 5 is a cross-sectional view of the seal connection assembly of FIG. 3;

FIG. 6 is another schematic axial view of the sealing structure of the present embodiment applied to a pressure bearing building (illustrating a pressing mechanism);

FIG. 7 is a side view of the hold down mechanism of FIG. 6;

FIG. 8 is an isometric view of the hold-down mechanism of FIG. 6

FIG. 9 is a schematic view of the hold-down mechanism of FIG. 6 holding down the seal;

wherein, 1, sealing the assembly; 1.1, sealing elements; a, installing a positioning groove; 1.1a, H-shaped seal; 1.1b, straight strip-shaped sealing elements; 2. sealing the connection assembly; 2.1, connecting pieces; 2.2, a limiting mechanism; 2.21, a pull rod; 2.22, a stop sheet; 2.23, a limiting plate; 3. a steel structure; 3.1, I-shaped beams; 3.2, standing a plate; 4. a plate material; 5. a hold-down mechanism; 5.1, a pressing rod; 5.2, arc-shaped pressing blocks; 5.3, a nut; 5.4, bolts; 6. and limiting steel bars.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example (b):

a sealing structure for a pressure bearing building is characterized in that the pressure bearing building is mainly formed by assembling a steel structure 3 and a plate 4 (namely a pressure bearing floor slab), the steel structure 3 is formed by connecting a plurality of groups of I-shaped beams 3.1, and the gap between the connecting positions of two adjacent groups of I-shaped beams 3.1 is the node gap of the steel structure 3.

The sealing structure of the present embodiment is used for sealing between the steel structure 3 and the plate 4 and between the node gap and the plate 4, as shown in fig. 1 to 9, specifically as follows:

the sealing structure comprises a sealing assembly 1 and a sealing connecting assembly 2; sealing assembly 1 includes multiunit sealing member 1.1, and the concrete quantity of sealing member 1.1 matches according to steel construction 3's specification and the construction situation on-spot, and sealing member 1.1's effect is used for sealing up the clearance between steel construction 3 and the panel 4, and sealing member 1.1 sets up between steel construction 3 and panel 4 promptly, and sealing connection assembly 2 is used for connecting adjacent two sets of sealing member 1.1, plays anticreep and sealed effect.

The seal 1.1 of the present embodiment has the following two shapes:

the first method is as follows: the shape of the sealing element 1.1 is H-shaped, the H-shaped sealing element 1.1a is mainly used for sealing the gap position of the joint of the steel structure 3, that is, the joint gap is covered and sealed by the middle transverse edge of the H-shaped sealing element, and two groups of vertical edges of the H-shaped sealing element are used for sealing between the plate 4 and the steel structure 3, specifically, the H-shaped sealing element 1.1a is used for solving the sealing problem at the joint of the i-beam 3.1+ the plate 4+ the i-beam 3.1, and the two groups of vertical edges of the H-shaped sealing element can be assembled and connected with the other sealing elements 1.1 (that is, specifically, connected by the connecting element 2.1).

In this embodiment, another application scenario of the H-shaped sealing element 1.1a is described, which is specifically as follows: because of the demand of the building, need vertically weld riser 3.2 (wallboard) on I-beam 3.1, form L shape right angle between riser 3.2 and the I-beam 3.1, after the I-beam 3.1 after two sets of welding risers 3.2 is connected, node clearance position is because the right angle has appeared, when adopting the sealing member 1.1a of H shape to seal the node clearance in this position this moment, need compress tightly H shape's sealing member 1.1a on I-beam 3.1 and riser 3.2, in order to guarantee that H shape sealing member 1.1's middle horizontal edge fits in L shape right angle's inner seam, and middle horizontal edge covers the node clearance, thereby guarantee sealed effect. In the embodiment, a pressing mechanism 5 is adopted to press an H-shaped sealing element 1.1a, and the pressing mechanism 5 specifically comprises a pressing rod 5.1 (circular) and a fastener; the pressing rods 5.1 are pressed on an H-shaped sealing element 1.1a (specifically on a middle transverse plate), two groups of fasteners are arranged, the two groups of fasteners are respectively used for fixing two ends of each pressing rod 5.1 on the I-beam 3.1, and each fastener specifically comprises an arc-shaped pressing block 5.2, a nut 5.3 and a bolt 5.4; nut 5.3 welds in advance on I-beam 3.1 or riser 3.2, arc briquetting 5.2 has an intrados, this intrados can closely laminate with the periphery that compresses tightly pole 5.1, and bolt 5.4 passes arc briquetting 5.2 and compress tightly pole 5.1 in proper order, and bolt 5.4 and nut 5.3 screw-thread fit utilize the tightening up effect of screw thread, will compress tightly pole 5.1 and compress tightly in the right angle to the realization compresses tightly the sealing member 1.1a of H shape.

The second method is as follows: the shape of the sealing element 1.1 is a straight strip, and the straight strip-shaped sealing element 1.1b is used for sealing between the plate 4 and the I-beam 3.1 or between the plate 4 and the vertical plate 3.2.

Sealing connection subassembly 2 includes connecting piece 2.1 and stop gear 2.2, specifically as follows:

the connecting piece 2.1 is used for connecting two adjacent sealing pieces 1.1, and the specific connecting mode is as follows: all correspond on two sets of adjacent sealing members 1.1 and be provided with installation constant head tank 1.a, in two sets of installation constant head tank 1.a were gone into to the both ends card of connecting piece 2.1 respectively, and then realize the connection assembly of two sets of sealing members 1.1 fast, avoid two sets of sealing members 1.1 to break away from to connecting piece 2.1 can also seal the joint gap of two sets of sealing members 1.1, in order to guarantee holistic sealed effect.

Both ends of the connecting piece 2.1 are dovetail parts, namely the connecting piece 2.1 has a structure with large two ends and narrow middle, the mounting positioning groove 1.a is a dovetail groove, and when the two groups of sealing pieces 1.1 need to be connected and assembled, the two groups of sealing pieces are quickly clamped into the dovetail groove through the dovetail parts; preferably, a gap A is reserved between the side wall of the dovetail part and the inner side wall of the dovetail groove, and the thickness of the connecting piece 2.1 is larger than that of the sealing piece 1.1, so that under the compression action of the plate 4 (the plate 4 is subjected to internal pressure from a pressure-bearing building), the connecting piece 2.1 is firstly deformed and fills the compaction gap A to ensure the sealing performance. In this embodiment, the gap A is 0.5-1 mm; the thickness of the connecting piece 2.1 is 2-3mm larger than that of the sealing piece 1.1.

Preferably, in order to avoid the plate 4 from excessively extruding the sealing element 1.1 and the connecting element 2.1, therefore, the i-beam 3.1 and the vertical plate 3.2 are both provided with the limiting steel bar 6, and after the plate 4 extrudes the sealing element 1.1 and the connecting element 2.1 to a certain extent, the limiting steel bar 6 supports and limits the plate 4, so as to avoid excessively extruding.

Stop gear 2.2 effect is when sealing member 1.1 and connecting piece 2.1 receive panel 4 extrusion, and restriction sealing member 1.1 expands outward to its width direction's both sides, avoids influencing the sealed effect of adjacent two sets of sealing member 1.1 hookup location.

The limiting mechanism 2.2 comprises a counter-pull rod 2.21, a stop sheet 2.22 and two groups of limiting plates 2.23; backstop piece 2.22 sets up the inside at connecting piece 2.1, backstop piece 2.22 specifically is the intermediate position that is located connecting piece 2.1, tie-rod 2.21 runs through connecting piece 2.1 and backstop piece 2.22 setting, tie-rod 2.21 and backstop piece 2.22 are fixed together, make tie-rod 2.21 and backstop piece 2.22 can not take place relative motion, and two sets of limiting plate 2.23 are fixed respectively at the both ends of tie-rod 2.21, and two sets of limiting plate 2.23 set up about the backstop board symmetry, the face of limiting plate 2.23 can offset with the lateral wall of sealing member 1.1, be used for restricting the flaring of sealing member 1.1, realize the spacing to sealing member 1.1 promptly, and the stop gear 2.2 of this embodiment can also play certain anticreep effect to adjacent two sets of sealing member 1.1.

The material of this embodiment sealing member 1.1 and connecting piece 2.1 all adopts elastic material, for example rubber material, and elastic material can be convenient for utilize the inside pressure of building for panel 4 compresses tightly sealing member 1.1 and connecting piece 2.1 on steel construction 3, with the realization good effect of compressing tightly and sealing.

The application of the sealing structure of the present embodiment in two scenarios is as follows:

first scenario (no riser 3.2, i.e. no L-shaped right angle):

1. after a plurality of groups of I-beams 3.1 are spliced and fixed to form a steel structure 3, sealing elements 1.1 are laid on the I-beams 3.1, H-shaped sealing elements 1.1a are laid at node clearance positions of the steel structure 3, straight strip-shaped sealing elements 1.1b are laid at other positions, two adjacent groups of sealing elements 1.1 are connected and assembled through connecting elements 2.1, and limiting plates 2.23 of limiting mechanisms 2.2 can block the side edges of the sealing elements 1.1, so that the limiting plates 2.23 can limit the sealing elements 1.1 when plates 4 extrude the sealing elements 1.1;

2. a limiting steel bar 6 is welded on one side of a sealing element 1.1, then a plate 4 is installed on an I-beam 3.1, and the plate 4 and the steel structure 3 are sealed through the sealing element 1.1.

In the second scenario (i.e. with the vertical plate 3.2), the application of the sealing structure in the second scenario is substantially the same as in the first scenario, specifically as follows:

1. after an I-beam 3.1 with a vertical plate 3.2 is spliced and fixed to form a steel structure 3, laying a sealing element 1.1 on the I-beam 3.1 and the vertical plate 3.2, wherein an H-shaped sealing element 1.1a is laid at a node gap position of the steel structure 3, at the moment, a pressing mechanism 5 is needed to press the H-shaped sealing element 1.1a at an L-shaped right-angle position formed by the vertical plate 3.2 and the I-beam 3.1, so that the H-shaped sealing element 1.1a can be attached to the I-beam 3.1 and the vertical plate 3.2, and after the H-shaped sealing element 1.1a is pressed, laying a straight strip-shaped sealing element 1.1b at other positions; two adjacent groups of sealing elements 1.1 are connected and assembled through connecting pieces 2.1, and the limiting plates 2.23 of the limiting mechanisms 2.2 can block the side edges of the sealing elements 1.1, so that when the sealing elements 1.1 are extruded by a plate 4, the limiting plates 2.23 can limit the sealing elements 1.1;

2. a limiting steel bar 6 is welded on one side of a sealing element 1.1, then a plate 4 is arranged on an I-shaped beam 3.1 and a vertical plate 3.2, and the plate 4 and the I-shaped beam 3.1 or the vertical plate 3.2 are sealed through the sealing element 1.1.

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

1.A sealing structure for pressure bearing buildings is characterized in that the sealing structure comprises a sealing assembly (1) and a sealing connection assembly (2); the pressure-bearing building comprises a steel structure (3) and a plate (4) arranged on the steel structure (3);

the seal assembly (1) comprises a plurality of sets of seals (1.1); the sealing element (1.1) is used for sealing between the steel structure (3) and the plate (4);

mounting positioning grooves (1.a) are respectively arranged on two adjacent groups of sealing elements (1.1); the two ends of the sealing and connecting assembly (2) are respectively arranged in the installation positioning grooves (1.a), and the sealing and connecting assembly (2) is used for connecting and sealing two groups of sealing pieces (1.1).

2. A sealing structure for pressure bearing buildings according to claim 1, characterized in that the groups of seals (1.1) comprise H-shaped seals (1.1 a); the H-shaped sealing element (1.1a) is used for sealing between the node gap of the steel structure (3) and the plate (4).

3. A sealing structure for confined buildings according to claim 2 further comprising a pressing mechanism (5) for pressing the H-shaped seal (1.1a) against the steel structure (3); the pressing mechanism (5) comprises a pressing rod (5.1) and a fastener; the pressing rod (5.1) is pressed on the H-shaped sealing element (1.1a), and the fastener is used for fixing the pressing rod (5.1) on the steel structure (3).

4. A sealing structure for confined buildings as claimed in claim 3 wherein the fasteners comprise an arc-shaped press block (5.2), a nut (5.3) and a bolt (5.4); nut (5.3) are fixed on steel construction (3), and the intrados of arc briquetting (5.2) closely laminates in the periphery that compresses tightly pole (5.1), and bolt (5.4) run through arc briquetting (5.2) and compress tightly pole (5.1) setting, and bolt (5.4) are connected with nut (5.3).

5. A sealing structure for confined buildings according to any one of claims 1 to 4 wherein the sealing joint assembly (2) comprises a joint (2.1); both ends of the connecting piece (2.1) are provided with swallow tails; the shape of the installation positioning groove (1.a) is a dovetail groove matched with the dovetail part.

6. A sealing structure for a pressure-bearing building according to claim 5, wherein a gap A is left between the dovetail and the inner wall of the dovetail groove; the thickness of the connecting piece (2.1) is larger than that of the sealing piece (1.1).

7. A sealing structure for a pressure bearing building according to claim 6, wherein the gap A is 0.5-1 mm; the thickness of the connecting piece (2.1) is 2-3mm greater than that of the sealing piece (1.1).

8. A sealing structure for pressure bearing buildings according to claim 5, characterized in that the sealing connection assembly (2) further comprises a limiting mechanism (2.2); the limiting mechanism (2.2) comprises a counter pull rod (2.21), a stop sheet (2.22) and two groups of limiting plates (2.23); the stop piece (2.22) is arranged in the connecting piece (2.1); the counter-pull rod (2.21) penetrates through the connecting piece (2.1) and the stop piece (2.22), and the counter-pull rod (2.21) and the stop piece (2.22) are fixed; two groups of limiting plates (2.23) are respectively arranged at two ends of the opposite pull rod (2.21), the two groups of limiting plates (2.23) are symmetrically arranged relative to the stopping piece (2.22), and the limiting plates (2.23) are propped against the side wall of the sealing element (1.1) to realize the limiting of the sealing element (1.1).

9. A sealing structure for pressure-bearing buildings according to claim 5, characterized in that the sealing element (1.1) and the connecting element (2.1) are both made of elastic material.

10. A sealing structure for pressure bearing buildings according to claim 1, further comprising a spacing steel bar (6) arranged between the steel structure (3) and the plate (4).