CN110029784B - Roof anti-leakage deformation joint structure and construction method thereof - Google Patents
Roof anti-leakage deformation joint structure and construction method thereof Download PDFInfo
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- CN110029784B CN110029784B CN201910282309.7A CN201910282309A CN110029784B CN 110029784 B CN110029784 B CN 110029784B CN 201910282309 A CN201910282309 A CN 201910282309A CN 110029784 B CN110029784 B CN 110029784B
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002390 adhesive tape Substances 0.000 description 6
- 239000011490 mineral wool Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/151—Expansion joints for roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a structure of a roof anti-leakage deformation joint and a construction method thereof, and the structure comprises a cover plate, a slide bar and two bases, wherein two ends of the slide bar are provided with spherical guide parts, the bases are provided with guide grooves matched with the spherical guide parts, the openings of the guide grooves are enlarged, and the thickness of the slide bar is controlled, so that the slide bar can swing in the guide grooves while sliding in the guide grooves, and the limit of a connecting bolt on the swing of the slide bar is reduced by arranging the through hole to be larger than the outer diameter of the connecting bolt, so that the deformation joint structure of the scheme can realize compensation in X, Y, Z three directions, and the effect of integrating three expansion, settlement and shockproof joints is achieved. In addition, due to the arrangement of the connecting bolt, the connecting column and the mounting bolt, the compression spring is mounted on the sliding rod through the connecting column and the mounting bolt during mounting, so that the bottom of the connecting column is abutted to the sliding rod, and the cover plate is directly covered and then connected with the connecting column through the connecting bolt.
Description
Technical Field
The invention relates to the technical field of building earthquake-resistant structures, in particular to a structure of a roof anti-seepage deformation joint and a construction method thereof.
Background
The deformation joint is a general name of an expansion joint, a settlement joint and a shockproof joint. The deformation of the building caused by external factors often results in cracking and even destruction, and the deformation joint is the construction joint reserved for the situation.
The existing deformation joints are as follows: chinese patent with application publication number CN 108867897A and application date of 2018, 6 and 11 discloses a deformation joint device for a steel structure building and a construction method thereof, wherein the deformation joint device comprises two bases which are fixedly arranged on two side members of a deformation joint of the building respectively during construction, cover plates of which two ends are connected with the upper ends of the two bases respectively, and sliding rods of which two ends are connected with the two bases in a guiding way respectively, and the middle parts of the sliding rods are rotatably connected with the middle parts of the cover plates through bolts; the two ends of the sliding rod are provided with spherical guide parts, the base comprises a fixed rod fixed on a ground base body of a building and a connecting part positioned on one side of the fixed rod facing the center of the deformation joint, and the connecting part is provided with a guide groove for the guide parts to be embedded in and matched with the guide parts in a sliding manner; the fireproof rock wool waterproof structure further comprises water stop belts, fireproof rock wool and stainless steel sheets, wherein the water stop belts are located below the two bases, two ends of the water stop belts are respectively connected with two sides of the deformation joint, the fireproof rock wool is located below the water stop belts, and the stainless steel sheets are arranged on the surfaces of two sides of the fireproof rock wool.
Above-mentioned patent is used for adapting to the change of distance between movement joint through the mode that the slide bar both ends slided in the guide way, however just as said, movement joint divide into the expansion joint, subsiding crack and shockproof seam are three kinds, above-mentioned structure belongs to one kind of expansion joint, the expansion joint is named as temperature movement joint again, its aim at eliminates the building and receives the expend with heat and contract with cold that the ambient temperature changes and produce to the influence of building itself, thereby reach phenomenons and the problem appearance such as avoiding the fracture as far as possible, also consequently, it only lies in adapting to and warp the change of distance between the seam and sets up, in addition, because its both sides are through the guide way connection, make it also can regard as the subsiding crack to.
However, only two-in-one expansion joint and settlement joint are not enough, and in actual engineering, the deformation joint can better protect the building after being subjected to three-in-one treatment of expansion, settlement and shock resistance; in addition, because the deformation joint is formed by splicing a plurality of structures, the deformation joint needs to be installed simply and conveniently while integrating three joints of expansion, settlement and shock resistance.
Disclosure of Invention
The invention aims to provide a structure of a roof anti-leakage deformation joint, which achieves the effect of integrating three joints of expansion, settlement and shock resistance.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a structure and construction method of roofing antiseep movement joint, includes apron, slide bar and two bases, the both ends of slide bar set up spherical guide part, be provided with on the base with spherical guide part complex guide way, be provided with the perforation on the apron, be provided with the through-hole on the slide bar, the structure of movement joint still includes:
the connecting column is positioned between the cover plate and the sliding rod, the cross section of the connecting column is in a polygonal arrangement, threaded holes are formed in two ends of the connecting column, and the length of the connecting column is smaller than the distance between the cover plate and the sliding rod;
the connecting bolt penetrates through the through hole to be in threaded connection with one end of the connecting column, and the sum of the length of the connecting bolt penetrating through the through hole and the length of the connecting column is larger than the distance between the cover plate and the sliding rod;
the mounting bolt penetrates through the through hole and is in threaded connection with the other end of the connecting column;
the compression spring is sleeved on the mounting bolt, and two ends of the compression spring are respectively abutted against the slide rail and a nut of the mounting bolt;
the cover plate is provided with a limiting groove for inserting a connecting column, and the diameter of the circumscribed circle of the connecting column is larger than that of the through hole;
the openings of the two guide grooves are oppositely arranged, the cross section of each guide groove is in a C shape with an opening angle alpha, the thickness of the slide rod is h, the diameter of each guide groove is R, wherein alpha is more than or equal to 90 degrees and less than 180 degrees, h = R sin beta, and alpha-2 beta is more than or equal to 20 degrees.
The arrangement is that the sliding rod slides in the guide groove, so that the sliding rod has the effects of expansion joints and settlement joints; secondly, owing to enlarge the guide way opening to the setting of control slide bar thickness, when making the slide bar except can be in the guide way gliding, can swing in the guide way, the rethread through-hole is greater than the external diameter setting of connecting bolt, reduces connecting bolt to the wobbling restriction of slide bar, thereby makes the movement joint structure of this scheme can both realize the compensation in X, Y, Z three directions, reaches the effect of flexible, subsides and three joint unifications of taking precautions against earthquakes. In addition, due to the arrangement of the connecting bolt, the connecting column and the mounting bolt, the compression spring is mounted on the sliding rod through the connecting column and the mounting bolt during mounting, so that the bottom of the connecting column is abutted to the sliding rod, and the cover plate is directly covered and then connected with the connecting column through the connecting bolt.
More preferably: the opening angle alpha of the guide groove is more than or equal to 120 degrees and less than or equal to 150 degrees.
By the arrangement, the phenomenon that the thickness of the sliding rod is too low and the strength of the sliding rod is too low due to too small opening is avoided; meanwhile, the phenomenon that the spherical guide part is separated from the guide groove due to the fact that the opening is too large is avoided.
More preferably: alpha-2 beta is more than or equal to 30 degrees.
So set up, ensure that the slide bar can have sufficient swing amplitude.
More preferably: the last cover of construction bolt is equipped with a sphere and supports and establish the piece, the sphere supports the diameter that establishes the piece and is greater than the diameter of through-hole, compression spring supports and locates between the spherical nut that supports and establish piece and construction bolt.
So set up, make slide bar and apron be connected more stably between, avoid the through-hole diameter to be greater than setting up of construction bolt external diameter and lead to the apron to take place the removal of small size easily.
More preferably: an elastic rubber strip is arranged between the side edge of the cover plate and the base.
So set up, seal the gap between apron and base through the elasticity adhesive tape, make it have waterproof performance, can avoid the foreign matter to get into between apron and the base simultaneously.
More preferably: the cross section of the elastic rubber strip is wavy.
So set up, increase the deformation range of elasticity adhesive tape, make it can have sufficient flexible volume to satisfy the deformation under the duplication situation.
More preferably: one side that the movement joint was kept away from to the base is provided with first draw-in groove, the both sides of apron all are provided with the second draw-in groove, the both sides of elasticity adhesive tape are blocked respectively and are located on first draw-in groove and the second draw-in groove.
So set up, the installation and the dismantlement of elasticity adhesive tape are very convenient.
More preferably: the deformation joint structure further comprises a water stop, and two sides of the water stop are respectively pressed below the two bases.
So set up, improve its waterproof performance, make it have good antiseep effect.
More preferably: the cover plate is provided with counter bores, and the counter bores and the limiting grooves are respectively arranged on two sides of the cover plate.
So set up, adopt the counter bore to accomodate connecting bolt's nut to the nut top that keeps connecting bolt keeps the same level with the apron.
The invention also aims to provide a construction method of the deformation joint structure.
The second technical purpose of the invention is realized by the following technical scheme:
a construction method of a deformation joint structure comprises the following steps:
s1, embedding expansion bolts, drilling a fixing hole on the base layer, and driving an expansion sleeve into the fixing hole;
s2, paving water stops, namely paving the water stops above the base layers on the two sides of the deformation joint by using rubber coiled materials, and enabling the water stops in the deformation joint to be arc-shaped so as to fully reserve deformation;
s3, fixing a base: the base is respectively fixed above the water stop belts on two sides of the deformation joint in a mode of connecting the fixing bolt with the fixing hole;
s4, assembling the slide bars, and connecting the mounting bolts with the connecting columns after penetrating through the compression springs and the slide bars to complete the mounting of the compression springs;
s5, mounting a slide bar, embedding the spherical guide parts at the two ends of the slide bar into the guide grooves of the bases at the two sides, and sliding the spherical guide parts to a specified position;
s6, installing a cover plate, covering the cover plate above the base, penetrating through the through hole through a connecting bolt and then connecting with the connecting column, wherein during connection, the connecting bolt is firstly manually turned to the connecting column, then the connecting bolt is pulled to lift the connecting column, the end part of the connecting column is inserted into the limiting groove after the position is adjusted, and the connecting bolt is rotated until the connecting bolt is locked while the connecting bolt is lifted;
and S7, installing an elastic rubber strip, and clamping the elastic rubber strip on the cover plate and the base.
In conclusion, the invention has the following beneficial effects:
1. the compensation can be carried out in X, Y, Z three directions, so that the effects of extension, settlement and shock resistance are achieved;
2. the arrangement of the water stop and the elastic rubber strip achieves the effect of double leakage prevention;
3. a novel connecting structure is adopted between the cover plate and the sliding rod, so that the whole installation is simple and convenient.
Drawings
FIG. 1 is a front sectional view of the present embodiment;
FIG. 2 is a schematic structural view of the guide groove and the spherical guide portion in the present embodiment;
FIG. 3 is an exploded view of the cover plate and the slide rod in the present embodiment;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is a schematic view of the connection structure between the elastic rubber strip and the base and the cover in the present embodiment;
FIG. 6 is a schematic view showing the structure of the present embodiment in which the height position of the substrates on both sides of the deformation joint is deviated.
In the figure, 100, a cover plate; 110. perforating; 120. a counter bore; 130. a second card slot; 140. a limiting groove; 200. a base; 210. a guide groove; 220. a first card slot; 300. a water stop; 400. an elastic rubber strip; 410. clamping the strip; 500. a substrate; 600. a slide bar; 610. a spherical guide portion; 620. a through hole; 700. a connecting bolt; 710. a spherical abutting member; 720. a compression spring; 730. installing a bolt; 800. and (5) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1: a structure of a roof anti-leakage deformation joint is shown in figure 1 and comprises a cover plate 100, a sliding rod 600, a water stop belt 300, an elastic rubber strip 400 and two bases 200, wherein the water stop belt 300 is laid on a base body 500 on two sides of the deformation joint, and the water stop belt 300 located in the deformation joint is sunken towards the inner arc of the deformation joint so as to reserve deformation.
Then, the two bases 200 are fixed to the base 500 on both sides of the deformation joint by the fixing bolts 800 (see fig. 5), and the water stop 300 is pressed and fixed at the same time. The upper end surfaces of the bases 200 are kept on the same horizontal plane, a guide groove 210 (see fig. 2) having a C-shaped circular arc structure is disposed on each of the two bases 200, the two guide grooves 210 are disposed in the deformation joint and are respectively disposed on both sides of the deformation joint, and in addition, openings of the two guide grooves are disposed oppositely.
As shown in fig. 1, a slide bar 600 is connected between the two bases 200, the slide bar 600 has a non-right parallelogram structure (see fig. 3), and ball guide portions 610 are integrally provided at both acute ends thereof, and the ball guide portions 610 are engaged with the guide grooves 210 and slidably move in the guide grooves 210.
Referring to fig. 2, the diameter of the guide groove 210 is R, the opening angle of the cross section of the guide groove 210 is α, the thickness of the slide bar 600 is h, 90 ° < α < 180 °, h = R × sin β, α -2 β > 20 °, in the present embodiment, α =120 °, α -2 β =60 °, and the diameter of the guide groove 210 is R, which can be set according to the width of a specific deformation joint.
As shown in fig. 1 and 3, a through hole 110 is provided on the cover plate 100, and a counter bore 120 is provided on the through hole 110 located at one side of the cover plate 100. A connecting bolt 700 is inserted into the through hole 110, the connecting bolt 700 is in threaded connection with a connecting column after penetrating through the through hole 110, the cross section of the connecting column is in a regular hexagon arrangement, both ends of the connecting column are provided with threaded holes, the threaded hole at the other end of the connecting column is connected with a mounting bolt 730, a through hole 620 with the diameter larger than the outer diameter of the mounting bolt 730 is arranged in the middle of the sliding rod 600, and the mounting bolt 730 penetrates through the through hole 620 and then is connected with the connecting column.
Still the cover is equipped with a spherical piece 710 and a compression spring 720 of supporting on the screw rod of construction bolt 730, and the spherical piece 710 and the compression spring 720 of supporting are all located between the nut of slide bar 600 and construction bolt 730, and the both ends of compression spring 720 support the nut butt of piece 710 and construction bolt 730 with the sphere respectively. The diameter of the spherical abutting member 710 is larger than that of the through hole 620, and the spherical abutting member 710 is pressed against the slide rail under the elastic force of the compression spring 720.
Referring to fig. 4, the length of the connection column is less than the distance between the cover plate 100 and the slide bar 600, and the sum of the length of the connection bolt 700 passing through the through hole 110 and the length of the connection column is greater than the distance between the cover plate 100 and the slide bar 600. The diameter of the circumscribed circle of the connecting column is larger than the diameter of the through hole 620, the cover plate 100 is provided with a limiting groove 140 for the connecting column to be inserted, and the counter bore 120 and the limiting groove 140 are respectively arranged at two sides of the cover plate 100.
As shown in fig. 5, a first engaging groove 220 is disposed on a side of the base 200 away from the deformation joint, second engaging grooves 130 are disposed on both sides of the cover plate 100, engaging strips 410 are disposed on both sides of the elastic adhesive tape 400, the engaging strips 410 are respectively engaged with the first engaging groove 220 and the second engaging groove 130, and the cross section of the elastic adhesive tape 400 is wavy.
The working principle is as follows: when the width of the deformation joint changes, the two ends of the sliding rod 600 slide in the guide grooves 210, so that the sliding rod rotates around the connecting bolt 700 and is adjusted along with the change of the width of the deformation joint. When the height of the two bases 500 at both sides of the deformation joint is deviated, as shown in fig. 6, the slide bar 600 is inclined.
Example 2: a construction method of a roof anti-leakage deformation joint structure comprises the following steps:
s1, embedding expansion bolts, drilling a fixing hole on the base layer, and driving an expansion sleeve into the fixing hole;
s2, paving a water stop 300, namely paving the water stop 300 above the base layers on the two sides of the deformation joint by using a rubber coiled material, and enabling the water stop 300 in the deformation joint to be arc-shaped, so that the deformation is reserved fully;
s3, fixing the base 200: the base 200 is respectively fixed above the water stop belts 300 on two sides of the deformation joint in a mode that the fixing bolts 800 are connected with the fixing holes;
s4, assembling the sliding rod 600, connecting the mounting bolt 730 with the connecting column after penetrating through the compression spring 720 and the sliding rod 600, and completing the mounting of the compression spring 720;
s5, mounting the slide bar 600, embedding the spherical guide parts 610 at the two ends of the slide bar 600 into the guide grooves 210 of the bases 200 at the two sides, and sliding the guide parts to the appointed positions;
s6, installing the cover plate 100, covering the cover plate 100 above the base 200, penetrating through the through hole 110 through the connecting bolt 700 and then connecting with the connecting column, wherein during connection, the connecting bolt 700 is firstly manually turned to the connecting column, then the connecting bolt 700 is pulled to lift the connecting column, the end part of the connecting column is inserted into the limiting groove 140 after the position is adjusted, and the connecting bolt 700 is rotated until locking is achieved while lifting is kept;
and S7, mounting the elastic rubber strip 400, and clamping the elastic rubber strip 400 on the cover plate 100 and the base 200.
When the slide bar 600 and the cover plate 100 in S5 and S6 are installed, in addition to the above installation methods, the slide bar 600 and the cover plate 100 may be installed together, and then the slide bar 600 is installed on the two bases 200, and these two methods may be freely selected according to the construction loop shape.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (9)
1. The utility model provides a structure of roofing antiseep movement joint, includes apron (100), slide bar (600) and two bases (200), the both ends of slide bar (600) set up spherical guide part (610), be provided with on base (200) with spherical guide part (610) complex guide way (210), characterized by: be provided with on apron (100) perforation (110), be provided with through-hole (620) on slide bar (600), the structure of movement joint still includes:
the connecting column is positioned between the cover plate (100) and the sliding rod (600), the cross section of the connecting column is arranged in a polygon shape, threaded holes are formed in two ends of the connecting column, and the length of the connecting column is smaller than the distance between the cover plate (100) and the sliding rod (600);
the connecting bolt (700) penetrates through the through hole (110) to be in threaded connection with one end of the connecting column, and the sum of the length of the connecting bolt (700) penetrating through the through hole (110) and the length of the connecting column is larger than the distance between the cover plate (100) and the sliding rod (600);
the mounting bolt (730) penetrates through the through hole (620) and is in threaded connection with the other end of the connecting column;
the compression spring (720) is sleeved on the mounting bolt (730), and two ends of the compression spring (720) are respectively abutted against the slide rail and a nut of the mounting bolt (730);
the cover plate (100) is provided with a limiting groove (140) for inserting a connecting column, and the diameter of the circumscribed circle of the connecting column is larger than that of the through hole (620);
the openings of the two guide grooves (210) are oppositely arranged, the cross section of each guide groove (210) is C-shaped with an opening angle alpha, the thickness of the sliding rod (600) is h, the diameter of each guide groove (210) is R, wherein alpha is larger than or equal to 90 degrees and smaller than 180 degrees, h = R sin beta, and alpha-2 beta is larger than or equal to 20 degrees.
Wherein the diameter of the through hole (620) is larger than the outer diameter of the mounting bolt (730);
the cover is equipped with a spherical piece (710) of establishing of supporting on construction bolt (730), the spherical diameter of establishing piece (710) of supporting is greater than the diameter of through-hole (620), compression spring (720) support locate the spherical nut of establishing piece (710) and construction bolt (730) of supporting between.
2. The structure of roof anti-leakage deformation joint as claimed in claim 1, wherein: the opening angle alpha of the guide groove (210) is more than or equal to 120 degrees and less than or equal to 150 degrees.
3. The structure of roof anti-leakage deformation joint as claimed in claim 1, wherein: alpha-2 beta is more than or equal to 30 degrees.
4. The structure of roof anti-leakage deformation joint as claimed in claim 1, wherein: an elastic rubber strip (400) is arranged between the side edge of the cover plate (100) and the base (200).
5. The structure of roof anti-leakage deformation joint as claimed in claim 4, wherein: the cross section of the elastic rubber strip (400) is wavy.
6. The structure of roof anti-leakage deformation joint as claimed in claim 5, wherein: one side of the base (200) far away from the deformation joint is provided with a first clamping groove (220), the two sides of the cover plate (100) are provided with second clamping grooves (130), and the two sides of the elastic rubber strip (400) are clamped on the first clamping groove (220) and the second clamping groove (130) respectively.
7. The structure of a roof anti-leakage deformation joint as claimed in claim 1, wherein: the deformation joint structure further comprises a water stop (300), and two sides of the water stop (300) are respectively pressed below the two bases (200).
8. The structure of a roof anti-leakage deformation joint as claimed in claim 1, wherein: the cover plate (100) is provided with a counter bore (120), and the counter bore (120) and the limiting groove (140) are respectively arranged on two sides of the cover plate (100).
9. A construction method of a roof anti-leakage deformation joint structure as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
s1, embedding expansion bolts, drilling a fixing hole on the base layer, and driving an expansion sleeve into the fixing hole;
s2, paving a water stop (300), namely paving the water stop (300) above the base layers on two sides of the deformation joint by using a rubber coiled material, and enabling the water stop (300) in the deformation joint to be arc-shaped and fully reserving deformation;
s3, fixing base (200): the base (200) is respectively fixed above the water stop belts (300) on two sides of the deformation joint in a mode that the fixing bolt (800) is connected with the fixing hole;
s4, assembling the sliding rod (600), and connecting the mounting bolt (730) with the connecting column after penetrating through the compression spring (720) and the sliding rod (600) to complete the mounting of the compression spring (720);
s5, mounting a slide bar (600), embedding spherical guide parts (610) at two ends of the slide bar (600) into guide grooves (210) of bases (200) at two sides, and sliding the guide parts to a specified position;
s6, installing a cover plate (100), covering the cover plate (100) above a base (200), and connecting the cover plate with a connecting column after a connecting bolt (700) passes through a through hole (110), wherein during connection, the connecting bolt (700) is firstly manually turned to the connecting column, then the connecting bolt (700) is pulled to lift the connecting column, the end part of the connecting column is inserted into a limiting groove (140) after the position is adjusted, and the connecting bolt (700) is rotated until locking is achieved while the lifting is kept;
s7, installing the elastic rubber strip (400), and clamping the elastic rubber strip (400) on the cover plate (100) and the base (200).
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| CN201910282309.7A CN110029784B (en) | 2019-04-09 | 2019-04-09 | Roof anti-leakage deformation joint structure and construction method thereof |
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| CN201910282309.7A CN110029784B (en) | 2019-04-09 | 2019-04-09 | Roof anti-leakage deformation joint structure and construction method thereof |
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| CN110029784B true CN110029784B (en) | 2021-02-05 |
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| CN208168001U (en) * | 2018-02-07 | 2018-11-30 | 深圳市晶宫设计装饰工程有限公司 | Expansion gap device |
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| CN110029784A (en) | 2019-07-19 |
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