CN114908879A - Leak protection sealing connection structure who uses in ETFE membrane material - Google Patents
Leak protection sealing connection structure who uses in ETFE membrane material Download PDFInfo
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- CN114908879A CN114908879A CN202210629907.9A CN202210629907A CN114908879A CN 114908879 A CN114908879 A CN 114908879A CN 202210629907 A CN202210629907 A CN 202210629907A CN 114908879 A CN114908879 A CN 114908879A
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- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 title claims abstract description 84
- 239000012528 membrane Substances 0.000 title claims abstract description 82
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000565 sealant Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001154 acute effect Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a sealing connection structure for preventing leakage in an ETFE membrane material, which belongs to the technical field of leakage-proof sealing in the ETFE membrane material, and comprises a structural bottom plate positioned on one side of the ETFE membrane material, wherein the structural bottom plate is shaped like a Chinese character 'ji', the opening of the structural bottom plate faces to the ETFE membrane material, and turning edges on the contact surface of the structural bottom plate and the ETFE membrane material are all provided with round corners; a pressing mechanism is arranged above the structural bottom plate positioned on the other side of the ETFE membrane material, the pressing mechanism comprises two pressing strips parallel to the long edge of the structural bottom plate, the two pressing strips are symmetrically arranged on two sides of the structural bottom plate, the pressing strips are in contact with the corner of the lower end of the structural bottom plate, and arc rubber is fixedly arranged on the contact surface of the pressing strips and the structural bottom plate; the invention effectively solves the problems that the existing ETFE membrane material leakage-proof sealing connection structure increases along with the use time, and after the support structure and the fixed structure are used for a long time, the sealant between the support structure and the fixed structure is aged, so that a sealed cavity is communicated with the outside, and the air leakage is caused, and finally the sealing structure is failed.
Description
Technical Field
The invention relates to the technical field of leak-proof sealing in an ETFE membrane material, in particular to a leak-proof sealing connection structure used in the ETFE membrane material.
Background
The advent of ETFE membranes has provided an innovative solution to modern construction. The roof and the wall made of the film material have light weight, and only account for 1 percent of the glass with the same size; the product has good toughness, high tensile strength, difficult tearing and ductility larger than 400%; high weather resistance and chemical corrosion resistance, high melting temperature up to 200 deg.c, and no spontaneous combustion.
As ETFE membranes for building materials for large-scale competition venues, they are also more advantageous in that they can be processed into any size and shape, meet the demand for large spans, and save intermediate support structures. As a material used after inflation, the light shading degree and the light transmittance can be adjusted by controlling the inflation amount, natural light is effectively utilized, energy is saved, and meanwhile, the material plays a role in heat preservation and insulation.
Current ETFE membrane material leak protection sealing connection structure, the fixed knot who has the cavity of adoption generally on the fixed position with bearing structure presses the ETFE membrane on bearing mechanism, the leakproofness that the rethread cavity formed, adopt the means of perforating, pass the bolt inside again and pass the ETFE membrane final fixed setting on bearing structure, make the ETFE membrane pressed inside sealed cavity by the position of perforating, thereby accomplish sealedly, but this kind of mode increases along with the live time, bearing structure and fixed knot construct long-time back of using, ageing phenomenon can appear in sealed glue between the two, thereby make sealed cavity and external switch on, thereby the problem of gas leakage appears, finally lead to the problem that seal structure became invalid.
Based on the above, the invention designs a leak-proof sealing connection structure in an ETFE membrane material to solve the above problems.
Disclosure of Invention
The invention aims to provide a sealing connection structure for preventing leakage in an ETFE membrane material, which aims to solve the problems of the prior art in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a leak-proof sealing connection structure used in an ETFE membrane material comprises a structure bottom plate positioned on one side of the ETFE membrane material, wherein the structure bottom plate is in a shape like a Chinese character 'ji', the opening of the structure bottom plate faces to the ETFE membrane material, and turning edges on the contact surface of the structure bottom plate and the ETFE membrane material are all rounded corners;
be located ETFE membrane material opposite side structure bottom plate top is provided with hold-down mechanism, hold-down mechanism includes two layering parallel with the long limit of structure bottom plate, two layering symmetrical arrangement is in structure bottom plate both sides, the layering contacts with structure bottom plate lower extreme turning, it is provided with circular arc rubber, two to fix on layering and the structure bottom plate contact surface be provided with the sideslip mechanism that is used for driving the layering to balanced the removal of structure bottom plate lower extreme.
As a further scheme of the invention, the transverse moving mechanism comprises a plurality of first shafts, the first shafts are arranged along the central line array of the structural bottom plate, two crossed second plates are rotatably arranged at the outer ends of the first shafts, the first shafts are rotatably arranged at the middle points of the two second plates, two ends of each second plate are respectively rotatably provided with a second shaft, every two adjacent second plates are hinged with each other through the second shaft, and the lower end of each second shaft is provided with a limiting mechanism for clamping a pressing strip.
As a further scheme of the invention, the limiting mechanism comprises a plurality of cylindrical plates, each cylindrical plate is fixedly arranged at the lower end of the second shaft, a stepped long groove is formed in each pressing strip, the upper end of each stepped long groove is narrow, and the lower end of each stepped long groove is wide, the upper end and the lower end of each cylindrical plate are arranged on the upper wall and the lower wall of a wide groove at the lower end of each stepped long groove in a contact manner, the second shaft is arranged on the side wall at the upper end of each stepped long groove in a contact manner, and a driving mechanism for driving the adjacent first shaft to move away from the first shaft is arranged at the lower end of the first shaft in the middle.
As a further scheme of the invention, the driving mechanism comprises a long plate, the long plate is fixedly arranged at the lower end of a first shaft in the middle, the long plate is positioned in the center of the right upper part of the structural bottom plate, two long circular through grooves are respectively formed in two ends of the long plate, the two first shafts adjacent to the first shaft in the center of the long plate are respectively arranged in the long circular through grooves in a sliding manner, the side walls of the upper ends of the two first shafts positioned in the long circular through grooves are horizontally and rotatably provided with a cross shaft, two third plates are rotatably arranged on the outer walls of two sides of each cross shaft, one end of each group of third plates, which is far away from the cross shaft, is rotatably provided with the same fourth plate, and the fourth plate is provided with a power mechanism for driving the fourth plates to descend so that the three first shafts are far away.
As a further scheme of the invention, the power mechanism comprises a round hole formed in the center of the fourth plate, the first shaft in the center of the long plate penetrates through the fourth plate and is sleeved in the round hole, the outer wall of the first shaft is provided with threads, the first shaft penetrates through the round hole, the upper end of the first shaft is in threaded connection with a first bolt, and the outer wall of the first shaft positioned at the upper end of the first bolt is in threaded connection with a second bolt.
As a further scheme of the invention, two second plates positioned in the center of the lower end of the long plate are provided with orientation mechanisms for limiting the movement of the pressing strips along the long edge direction;
the orientation mechanism comprises first bevel gears which are coaxially and fixedly arranged at the upper ends of four second shafts respectively, the outer ends of the first bevel gears are meshed with bevel gear rods, the four bevel gear rods are rotatably connected to the upper end face of the second plate respectively, and the ends, close to each other, of the four bevel gear rods are provided with synchronizing mechanisms which are used for driving the bevel gear rods on the same second plate to rotate in the same direction.
As a further scheme of the invention, the synchronizing mechanism comprises conical gears which are respectively and fixedly arranged at the mutually close ends of the bevel gear bars, a rotating sleeve is rotatably arranged at the outer end of the first shaft in the center of the long plate, two circular truncated cone toothed plates are respectively and fixedly arranged on the upper end surface and the lower end surface of the rotating sleeve, the conical gears at the ends of the two bevel gear bars on the same second plate are meshed with the same circular truncated cone toothed plate, first teeth are arranged on the outer side wall of the cylindrical plate, second teeth are arranged on the side wall of the lower end of each stepped long groove, and the first teeth are meshed with the second teeth.
As a further scheme of the invention, an antifriction coating which reduces friction and prolongs the service life of equipment is adopted on the contact surface of the second shaft and the step long groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the inverted-V-shaped structural bottom plate is used as a supporting structure, the two pressing strips are driven by the transverse moving mechanism to move towards the lower end of the side plate of the structural bottom plate, so that the ETFE membrane is integrally pressed on the structural bottom plate, the ETFE membrane is pressed to be similar to an ohm symbol under the shape effect of the pressing strips and the structural bottom plate, the transverse moving mechanism, the pressing strips and the structural bottom plate press the ETFE membrane between the ETFE membrane and the structural bottom plate, and the ETFE membrane is kept in a static state through friction force formed by the pressing strips, the structural bottom plate and the ETFE membrane after being extruded, so that the problems that the ETFE membrane needs to be perforated by the conventional sealing connection mechanism, and the sealing rubber strip of the sealing connection structure is aged after being used for a long time, and the ETFE membrane leaks gas from the original perforated position are effectively solved.
2. According to the invention, the driving mechanism works to drive the plurality of first shafts to be away from each other, so that acute angles and obtuse angles of the second plate are switched, and the cutter bar is extended, so that the second shaft drives the cylindrical plate to be clamped in the wide groove at the lower end of the long stepped groove to move from slow to fast, and the transverse stress of the extrusion direction of the pressing strip and the structural bottom plate is more uniform, so that the structural strength is improved, the problem that the ETFE membrane slides and breaks due to the fact that the pressure between the pressing strip and the structural bottom plate is not uniform is solved, the pressing strip moves from fast to slow towards the lower end face close to the ETFE membrane and the side plate of the structural bottom plate, the slow pressing effect is achieved, and the problem that the ETFE membrane is damaged due to the fact that the impact force between the structural bottom plate and the pressing strip is large in the pressing process is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a side plan view of a schematic partial cross-sectional structure of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
FIG. 6 is a schematic side elevational view, partially in section, of the tip of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at D according to the present invention;
FIG. 8 is a schematic view of the overall structure of the present invention from a side view to a bottom view.
In the drawings, the components represented by the respective reference numerals are listed below:
the structure comprises a structure bottom plate 10, a fillet 11, a pressing strip 12, arc rubber 13, a first shaft 16, a second plate 17, a second shaft 18, a cylindrical plate 19, a stepped long groove 20, a long plate 22, a long circular through groove 23, a transverse shaft 24, a third plate 25, a fourth plate 26, a circular hole 27, a first bolt 29, a second bolt 30, a first bevel gear 33, a bevel gear rod 34, a bevel gear 35, a rotating sleeve 36, a circular truncated cone toothed plate 37, first teeth 38 and second teeth 39.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a leak-proof sealing connection structure used in an ETFE membrane material comprises a structure bottom plate 10 positioned on one side of the ETFE membrane material, wherein the structure bottom plate 10 is shaped like a Chinese character 'ji', the opening of the structure bottom plate 10 faces to the ETFE membrane material, and turning edges on the contact surface of the structure bottom plate 10 and the ETFE membrane material are all provided with a round angle 11;
a pressing mechanism is arranged above the structural bottom plate 10 on the other side of the ETFE membrane, the pressing mechanism comprises two pressing strips 12 parallel to the long side of the structural bottom plate 10, the two pressing strips 12 are symmetrically arranged on two sides of the structural bottom plate 10, the pressing strips 12 are in contact with the corners of the lower end of the structural bottom plate 10, arc rubber 13 is fixedly arranged on the contact surfaces of the pressing strips 12 and the structural bottom plate 10, and a transverse moving mechanism used for driving the pressing strips to move towards the lower end of the structural bottom plate 10 in a balanced manner is arranged at the upper ends of the two pressing strips 12.
When the invention is used, as shown in fig. 1, for convenience of description, the upper side of the device is seen from the upper right to the lower left in fig. 1, the front end of the device is seen from the lower right to the upper left in the drawing, and the device is described by adopting the equipment orientation, so that in the actual use process, the length direction of the structural bottom plate 10 is not limited according to the building model, and the normal sealing of the invention is not influenced;
when the invention is used, after the structural bottom plate 10 is welded, the whole frame of the structural bottom plate 10 is polished to avoid burrs, after the burrs are removed, the ETFE membrane is placed at the opening end of the structural bottom plate 10, namely, the upper end of the structural bottom plate 10 of the invention, the ETFE membrane is kept to be clung to the upper end surface of the inverted-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-upper-lower-, in addition, a deformable factor can be formed between the ETFE membrane and the ETFE membrane, so that the ETFE membrane can slide to a certain extent in the later-stage expansion and contraction process, the problem that the ETFE membrane is damaged due to the fact that the ETFE membrane stretches for a long time and shrinks under the condition of uneven cooling and heating is avoided, the cross section of the ETFE membrane on the structural bottom plate 10 is pressed into a shape similar to an ohm symbol, and then the ETFE membrane and the arc rubber 13 are mutually static due to the friction force generated after the mutual extrusion between the ETFE membrane of the structural bottom plate 10 and the arc rubber 13, the fixing process is completed, and the ETFE membrane is not required to be punched on the ETFE membrane, wherein when the ETFE membrane is extruded and deformed between the structural bottom plate 10 and the pressing strip 12, the ETFE membrane can slide rapidly due to the fact that the ETFE membrane is locally pressed and pulled, and the problem that the ETFE membrane is damaged is caused;
according to the invention, the inverted-V-shaped structural bottom plate 10 is used as a supporting structure, the two pressing strips 12 are driven by the transverse moving mechanism to move towards the lower end of the side plate of the structural bottom plate 10, so that an ETFE membrane is integrally pressed on the structural bottom plate 10, the ETFE membrane is pressed to be similar to an ohm symbol under the shape effect of the pressing strips 12 and the structural bottom plate 10, the transverse moving mechanism, the pressing strips 12 and the structural bottom plate 10 press the ETFE membrane between the ETFE membrane and the pressing strips 12, and the structural bottom plate 10 and the ETFE membrane are pressed to be in a static state through friction force formed by extrusion of the pressing strips 12, the structural bottom plate 10 and the ETFE membrane, so that the problem that the ETFE membrane leaks air from an original opening due to the fact that the sealing rubber strips of the existing sealing connection mechanism need to be opened, and the sealing rubber strips of the sealing connection structure are aged after long-time use is effectively solved.
As a further scheme of the invention, the traversing mechanism comprises a plurality of first shafts 16, the first shafts 16 are arrayed along the central line of the structural bottom plate 10, the outer end of each first shaft 16 is rotatably provided with two crossed second plates 17, the first shafts 16 are rotatably arranged at the midpoint positions of the two second plates 17, two ends of each second plate 17 are respectively rotatably provided with a second shaft 18, every two adjacent second plates 17 are hinged with each other through the second shaft 18, and the lower end of each second shaft 18 is provided with a limiting mechanism for clamping the pressing bar 12; the limiting mechanism comprises a plurality of cylindrical plates 19, each cylindrical plate 19 is fixedly arranged at the lower end of the second shaft 18, a stepped long groove 20 is formed in each pressing strip 12, the upper end of each stepped long groove 20 is narrow, the lower end of each stepped long groove is wide, the upper end and the lower end of each cylindrical plate 19 are arranged on the upper wall and the lower wall of a wide groove at the lower end of each stepped long groove 20 in a contact manner, and the lower end of the first shaft 16, which is arranged in the middle of the side wall at the upper end of each stepped long groove 20 in a contact manner, of the second shaft 18 is provided with a driving mechanism for driving the adjacent first shaft 16 to move away;
when the invention is used, as shown in fig. 1 and 2 (two second plates 17 outside each first shaft 16, and the adjacent second plates 17 are hinged through a second shaft 18, and a cylindrical plate 19 at the lower end of the second shaft 18 is clamped inside a stepped long groove 20 formed in each pressing bar 12, so that the left and right pressing bars 12 are connected to the second plates 17 through the second shaft 18, and the first shafts 16, the second plates 17 and the second shafts 18 form a scissor-rod effect), a driving mechanism works to make each first shaft 16 be away from each other, so that acute angles of the two second plates 17 at the outer ends of the first shafts 16 begin to increase, obtuse angles begin to decrease, the outer ends of the second plates 17 begin to approach to the first shafts 16, and the second shafts 18 move towards the two ends of the pressing bars 12 along the stepped long grooves 20 of the pressing bars 12, and the second shaft 18 at the extreme moves at the fastest speed, so that the cylindrical plates 19 are clamped in the wide grooves at the lower ends of the stepped long grooves 20 to move, so as to unfold, when the pressing strip 12 is close to the structural bottom plate 10, the second plate 17 is pressed downwards, the second plate 17 can be pressed on the ETFE film, the ETFE film is pressed on the upper end of the structural bottom plate 10, and with the continuous work of the driving mechanism, the pressing strip 12 can be pressed on the bottom end face of the side plate of the structural bottom plate 10 finally, so as to complete the sealing work, as shown in fig. 1 and 3, the first shafts 16 are gathered together at the beginning, so that all the second plates 17 are close together, so as to facilitate the high-altitude operation, after the driving mechanism works, the plurality of first shafts 16 begin to increase the distance from each other, so that the second plates 17 forming the cutter bars move towards the two ends of the pressing strip 12 quickly, so that the second shafts 18 move towards the two ends of the pressing strip 12 and are faster and faster, so that the transverse stress of the pressing strip 12 and the structural bottom plate 10 in the pressing direction is more uniform, so as to improve the structural strength, and keep the pressing force between the pressing strip 12 and the structural bottom plate 10 balanced, the problem that the ETFE membrane is partially slipped and damaged due to different friction force between the ETFE membrane and the structural bottom plate 10 caused by uneven extrusion force between the pressing strip 12 and the structural bottom plate 10 is solved, meanwhile, the acute angle of two adjacent second plates 17 hinged through the second shaft 18 on one first shaft 16 is not increased more and more until the acute angle is switched to an obtuse angle, so that the second shaft 18 drives the pressing strip 12 to move towards the structural bottom plate 10, the speed is increased and slower, the slow pressing effect is achieved, and the problem that the ETFE membrane is damaged due to large impact force between the structural bottom plate 10 and the pressing strip 12 in the pressing process is avoided;
according to the invention, the driving mechanism works to drive the plurality of first shafts 16 to be away from each other, so that acute angles and obtuse angles of the second plate 17 are switched, and the extension movement of the cutter bar is carried out, so that the second shaft 18 drives the cylindrical plate 19 to be clamped in the wide groove at the lower end of the stepped long groove 20 to move from slow to fast, and the transverse stress of the extrusion direction of the pressing strip 12 and the structural bottom plate 10 is more uniform, so that the structural strength is improved, the problem that the ETFE membrane slides and breaks due to the non-uniform pressure between the pressing strip 12 and the structural bottom plate 10 is solved, the pressing strip 12 moves from fast to slow towards the lower end face close to the ETFE membrane and the side plate of the structural bottom plate 10, the slow pressing effect is achieved, and the problem that the ETFE membrane is damaged due to the large impact force between the structural bottom plate 10 and the pressing strip 12 in the pressing process is solved.
As a further scheme of the invention, the driving mechanism comprises a long plate 22, the long plate 22 is fixedly arranged at the lower end of the middle first shaft 16, the long plate 15 is positioned at the center right above the structural bottom plate 10, two long circular through grooves 23 are respectively formed at two ends of the long plate 15, the two first shafts 16 adjacent to the first shaft 16 at the center of the long plate 15 are respectively arranged in the long circular through grooves 23 in a sliding manner, lateral shafts 24 are horizontally and rotatably arranged on the lateral walls of the upper ends of the two first shafts 16 positioned in the long circular through grooves 23, two third plates 25 are rotatably arranged on the outer walls of two sides of each lateral shaft 24, one end of each group of the third plates 25 far away from the lateral shaft 24 is rotatably provided with the same fourth plate 26, and the fourth plate 26 is provided with a power mechanism for driving the fourth plate 26 to descend so as to keep the three first shafts 16 away; the power mechanism comprises a round hole 27 formed in the center of the fourth plate 26, the first shaft 16 in the center of the long plate 15 penetrates through the fourth plate 26 and is sleeved in the round hole 27, the outer wall of the first shaft 16 is provided with threads, the first shaft 16 penetrates through the round hole 27, the upper end of the first shaft 16 is in threaded connection with a first bolt 29, and the outer wall of the first shaft 16 positioned at the upper end of the first bolt 29 is in threaded connection with a second bolt 30;
in the using process of the invention, as shown in fig. 2 and 4, a wrench is used to rotate a first bolt 29, so that the first bolt 29 descends along the thread of the outer wall of the first shaft 16, so that the circular hole 27 of the fourth plate 26 descends along the outer wall of the first shaft 16, the angle of the upper end of a triangle formed between the fourth plate 26 and the transverse shafts 24 of the side walls of two adjacent first shafts 16 is larger, so that the upper end of the third plate 25 descends, the transverse shafts 24 at the lower end push the adjacent first shafts 16 to move away from the central first shaft 16 to slide in the long circular through grooves 23 (play a role of direction guiding), so that the distance between the first shafts 16 is enlarged, so that the first shafts 16 except the long plate 22 move towards two ends of the structural bottom plate 10, so that the second shafts 18 are unfolded, after the pressing strip 12 presses the structural bottom plate 10, the wrench is used to rotate a second bolt 30, so that the second bolt 30 rotates to form a pressing force with the first bolt 29, the two are locked, so that looseness in long-term use is avoided, and then the first bolt 29 and the thread on the outer wall of the first shaft 16 are used for pressing and driving downwards, so that on one hand, the pressing force of the pressing strip 12 and the structural bottom plate 10 is subjected to stepless adjustment, and on the other hand, self-locking exists, so that looseness is avoided; further make vibrations littleer, avoid the problem of collision.
As a further scheme of the invention, two second plates 17 positioned in the center of the lower end of the long plate 15 are provided with orientation mechanisms for limiting the movement of the pressing strips 12 along the long side direction;
the orientation mechanism comprises first bevel gears 33 which are coaxially and fixedly arranged at the upper ends of the four second shafts 18 respectively, the outer end of each first bevel gear 33 is engaged with a bevel gear bar 34, the four bevel gear bars 34 are rotatably connected to the upper end surfaces of the second plates 17 respectively, and the adjacent ends of the four bevel gear bars 34 are provided with a synchronous mechanism for driving the bevel gear bars 34 on the same second plate 17 to rotate in the same direction; the synchronizing mechanism comprises conical gears 35 which are fixedly arranged at the ends of the bevel gear bars 34 close to each other, a rotating sleeve 36 is rotatably arranged at the outer end of the first shaft 16 in the center of the long plate 22, two circular truncated cone toothed plates 37 are fixedly arranged on the upper end surface and the lower end surface of the rotating sleeve 36 respectively, the conical gears 35 at the ends of the two bevel gear bars 34 on the same second plate 17 are meshed with the same circular truncated cone toothed plate 37, first teeth 38 are arranged on the outer side wall of the cylindrical plate 19, second teeth 39 are arranged on the side wall of the lower end of each step long groove 20, and the first teeth 38 are meshed with the second teeth 39;
when the device works, the first teeth 38 are meshed with the second teeth 39, the cylindrical plates 19 on the two sides of the front end and the rear end respectively rotate in the stepped long grooves 20, so that a meshing phenomenon occurs, then the cylindrical plates 19 rotate to drive the first bevel gears 33 to rotate, the first bevel gears 33 rotate to drive the bevel gear rods 34 to rotate, the bevel gear rods 34 rotate to drive the bevel gears 35 to rotate, the bevel gears 35 rotate to drive the circular truncated cone toothed plates 37 to rotate, so that the rotating sleeve 36 rotates on the first shaft 16, and four second shafts 18 around the central first shaft 16 are synchronized, as shown in fig. 4 and 7, wherein the rotating speeds of the second shafts 18 on the same second plate 17 are equal, so that the rotating speeds of the second shafts 18 on the front end and the rear end of the device are the same in the stepped long grooves 20, so that the pressing bar 12 can be kept still all the time, and the problem of transverse movement of the front end and the rear end does not occur; resulting in difficulties in installation.
As a further scheme of the invention, an antifriction coating which reduces friction and prolongs the service life of equipment is adopted on the contact surface of the second shaft 18 and the stepped long groove 20.
Claims (8)
1. The utility model provides a sealing connection structure that leak protection was used in ETFE membrane material which characterized in that: the ETFE membrane material structure comprises a structural bottom plate (10) positioned on one side of an ETFE membrane material, wherein the structural bottom plate (10) is in a shape like a Chinese character 'ji', an opening of the structural bottom plate (10) faces to the ETFE membrane material, and turning edges on a contact surface of the structural bottom plate (10) and the ETFE membrane material all adopt round corners (11);
be located ETFE membrane material opposite side structure bottom plate (10) top is provided with hold-down mechanism, hold-down mechanism includes layering (12) two and the long limit of structure bottom plate (10) is parallel, two layering (12) symmetrical arrangement is in structure bottom plate (10) both sides, layering (12) and structure bottom plate (10) lower extreme corner contact, it is provided with circular arc rubber (13), two to fix on layering (12) and structure bottom plate (10) contact surface layering (12) upper end is provided with and is used for driving the layering to the sideslip mechanism of structure bottom plate (10) lower extreme balanced movement.
2. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 1, wherein: the transverse moving mechanism comprises a plurality of first shafts (16), the first shafts (16) are arranged along the central line array of the structural bottom plate (10), each first shaft (16) outer end is provided with two crossed second plates (17) in a rotating mode, the first shafts (16) are arranged at the midpoint positions of the two second plates (17) in a rotating mode, each second shaft (18) is arranged at the two ends of each second plate (17) in a rotating mode, each two adjacent second plates (17) are hinged to each other through the second shafts (18), and each second shaft (18) lower end is provided with a limiting mechanism used for clamping the pressing strip (12).
3. The sealing and connecting structure for preventing the leakage in the ETFE membrane material as claimed in claim 2, wherein: the limiting mechanism comprises a plurality of cylindrical plates (19), each cylindrical plate (19) is fixedly arranged at the lower end of the second shaft (18), a step long groove (20) is formed in each pressing strip (12), the upper end of each step long groove (20) is narrow, the lower end of each step long groove is wide, the upper end and the lower end of each cylindrical plate (19) are arranged on the upper wall and the lower wall of a wide groove at the lower end of each step long groove (20) in a contact mode, the second shaft (18) is arranged on the side wall at the upper end of each step long groove (20) in a contact mode, and a driving mechanism used for driving the adjacent first shaft (16) to move away from the first shaft (16) is arranged at the lower end of the middle of the first shaft (16).
4. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 3, wherein: the driving mechanism comprises a long plate (22), the long plate (22) is fixedly arranged at the lower end of the middle first shaft (16), the long plate (15) is positioned at the center right above the structural bottom plate (10), two long circular through grooves (23) are respectively arranged at two ends of the long plate (15), two first shafts (16) adjacent to the first shaft (16) in the center of the long plate (15) are respectively arranged in the long circular through groove (23) in a sliding manner, the side walls of the upper ends of the two first shafts (16) in the long circular through groove (23) are horizontally and rotatably provided with transverse shafts (24), the outer walls of the two sides of each transverse shaft (24) are respectively and rotatably provided with two third plates (25), one end of each group of third plates (25) far away from the transverse shafts (24) is rotatably provided with the same fourth plate (26), the fourth plate (26) is provided with a power mechanism for driving the fourth plate (26) to descend so as to enable the three first shafts (16) to be far away.
5. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 4, wherein: the power mechanism comprises a round hole (27) formed in the center of a fourth plate (26), a first shaft (16) in the center of the long plate (15) penetrates through the fourth plate (26) and is sleeved in the round hole (27), the outer wall of the first shaft (16) is provided with threads, the upper end of the first shaft (16) penetrating through the round hole (27) is connected with a first bolt (29) in a threaded manner, and the outer wall of the first shaft (16) positioned at the upper end of the first bolt (29) is connected with a second bolt (30) in a threaded manner.
6. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 5, wherein: two second plates (17) positioned in the center of the lower end of the long plate (15) are provided with orientation mechanisms for limiting the movement of the pressing strips (12) along the long edge direction;
the orientation mechanism comprises first bevel gears (33) which are coaxially and fixedly arranged at the upper ends of four second shafts (18) respectively, each bevel gear (33) is meshed with a bevel gear rod (34) at the outer end, the four bevel gear rods (34) are rotatably connected to the upper end face of the second plate (17) respectively, and four synchronous mechanisms for driving the bevel gear rods (34) on the same second plate (17) to rotate in the same direction are arranged at the ends, close to each other, of the bevel gear rods (34).
7. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 6, wherein: the synchronizing mechanism comprises bevel gears (35) fixedly arranged at the ends of bevel gear bars (34) close to each other, a long plate (22) is arranged at the center of the first shaft (16) outer end and is provided with a rotating sleeve (36) in a rotating mode, two circular truncated cone toothed plates (37) are fixedly arranged on the upper end face and the lower end face of the rotating sleeve (36) respectively, wherein the bevel gears (35) at the ends of the two bevel gear bars (34) on the same second plate (17) are meshed on the same circular truncated cone toothed plate (37), first teeth (38) are arranged on the outer side wall of the cylindrical plate (19), and each second tooth (39) are arranged on the side wall of the lower end of the stepped long groove (20), and the first teeth (38) are meshed with the second teeth (39).
8. The leak-proof sealing connection structure in the ETFE membrane as recited in claim 7, wherein: and an antifriction coating which reduces friction and prolongs the service life of equipment is adopted on the contact surface of the second shaft (18) and the stepped long groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629907.9A CN114908879B (en) | 2022-06-06 | 2022-06-06 | Leak protection sealing connection structure who uses in ETFE membrane material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629907.9A CN114908879B (en) | 2022-06-06 | 2022-06-06 | Leak protection sealing connection structure who uses in ETFE membrane material |
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| CN114908879B CN114908879B (en) | 2022-11-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098035A (en) * | 1977-07-18 | 1978-07-04 | Bessler Edward W | Inflatable storm window |
| CN113457345A (en) * | 2021-07-06 | 2021-10-01 | 深圳市烨兴膜结构工程有限公司 | Gas supply equipment of ETFE membrane structure |
| CN114182869A (en) * | 2021-12-21 | 2022-03-15 | 中国建筑第二工程局有限公司 | ETFE membrane air pillow daylighting roof structure and construction method thereof |
-
2022
- 2022-06-06 CN CN202210629907.9A patent/CN114908879B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098035A (en) * | 1977-07-18 | 1978-07-04 | Bessler Edward W | Inflatable storm window |
| CN113457345A (en) * | 2021-07-06 | 2021-10-01 | 深圳市烨兴膜结构工程有限公司 | Gas supply equipment of ETFE membrane structure |
| CN114182869A (en) * | 2021-12-21 | 2022-03-15 | 中国建筑第二工程局有限公司 | ETFE membrane air pillow daylighting roof structure and construction method thereof |
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| CN114908879B (en) | 2022-11-11 |
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Address after: 518000 1103 and 1105, anhongji building, No. 56, Tan Luoxin second village, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yexing Intelligent Space Technology Co.,Ltd. Country or region after: China Address before: 518000 1103 and 1105, anhongji building, No. 56, Tan Luoxin second village, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: YEXIN MEMBRANE STRUCTURE ENGINEERING Co.,Ltd. Country or region before: China |