Tensioning and fixing device of tensile membrane structure

Abstract

The utility model discloses a tension fixing device of a tension membrane structure, which comprises a main body structure, a rib plate, a mounting groove, a bolt body connecting piece, a vertical bolt, a bottom nut, a rubber strip, a steel cable connecting profile, an adjusting nut, a decorative cover plate and a bottom nut, wherein the steel cable connecting sectional material comprises a pressing piece and two steel cable connecting pieces, the pressing piece is arranged on a vertical bolt at the corresponding position in a mounting groove in a sleeving manner, the two steel cable connecting pieces are in contact connection with the lower end of the pressing piece and distributed on the two sides of the vertical bolt, and the vertical bolt is in threaded connection with an adjusting nut abutting against the pressing piece; and the decorative cover plate penetrates through a vertical bolt in the mounting groove and is hermetically covered on the mounting groove in a full-length manner, the decorative cover plate is in contact connection with a rubber strip on the mounting groove, and the vertical bolt abuts against the upper surface of the decorative cover plate through a top nut which is in threaded connection with the vertical bolt. The connecting structure has the advantages of being simple in structure, low in cost, convenient to construct, high in construction efficiency, short in construction period, good in waterproofness, reliable in connection, high in connecting quality and long in service life.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a tensioning and fixing device for a tensioned membrane structure. Background Art

[0002] Tensile membrane structures are formed by tensioning membrane materials on a structure through cables. Tensile membrane structures can also be called tensile cable-membrane structures. They are made of a variety of high-strength membrane materials that are pre-stressed in a certain way to form a certain spatial shape. Tensile membrane structures are mainly composed of membrane materials, steel cables, and struts. The cables and struts are used to introduce tension into the membrane material to achieve a stable form. Figures 1 to 3 The tensioning fixing device 100 of the traditional tensile membrane structure includes multiple stiffening plates 102 welded on the grid beam 101, and a gutter 103 is installed on each stiffening plate 102. Two vertical plates 104 are arranged symmetrically along the length of the gutter. A tension plate 105 is horizontally spaced and connected between the two vertical plates 104. Each vertical plate 104 is horizontally connected to a dedicated aluminum profile 107 arranged along the length through horizontally distributed transverse bolts 106. The dedicated aluminum profile 107 includes a connecting cavity 1071 for the transverse bolts 106 to penetrate, an intermediate cavity 1072, and a horizontally open steel cable clamping cavity 1073 for the installation of the steel cable 108. The horizontal opening of the cable engagement cavity 1073 of the special aluminum profile 107 is higher than the elevation of the gutter 103. The steel cable 108 connected to the membrane material 111 is engaged and connected to the cable engagement cavity 1073 of the special aluminum profile 107. The decorative cover 109 on the special aluminum profile 107 covering both sides of the vertical plate 104 is screwed into the central cavity 1072 of the special aluminum profile 107 via screws 110. The membrane material 111 connected to the steel cable 108 is horizontally tensioned. A rubber pad 112 is inserted and installed on the upper end surface of the gutter 103. The membrane material 111 is positioned on the rubber pad 112 to prevent the membrane material 111 from being scratched by the end surface of the gutter 103. The disadvantage is that the tensioning and fixing device 100 is complex in structure and expensive, which makes construction inconvenient and time-consuming. Furthermore, because the decorative cover plate 109 only secures the dedicated aluminum profile 107, the gutter 103 is open. Rainwater accumulates in the gutter 103 during rain, corroding the roof beam 103 and its vertical plates 104 and horizontal tension plates 105, thereby affecting the quality and service life of the tensioning and fixing device 100. Furthermore, when the accumulated rainwater seeps into the steel cable engagement cavity 1073 of the dedicated aluminum profile 107, it affects the reliability of the connection between the steel cables 108 and the dedicated aluminum profile 107. Adding a drainage structure to the roof beam 103 would increase costs. Utility Model Content

[0003] The purpose of the utility model is to provide a tensioning fixing device for a tensioned membrane structure to solve the problems of complex structure, high cost, inconvenient construction, long construction period, unreliable connection between steel cables and special aluminum profiles caused by open gutters, poor connection quality and short service life of traditional tensioning fixing devices.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is: a tensioning and fixing device for a tensioned membrane structure, comprising:

[0005] Main structure;

[0006] Ribs are arranged on the main structure at first intervals;

[0007] A mounting groove is arranged on each of the ribs throughout the entire length;

[0008] A plurality of bolt connectors are arranged on the bottom wall of the installation groove along the width center line of the installation groove at a second interval;

[0009] There are multiple vertical bolts, each of which passes through a corresponding bolt body connector and is vertically arranged thereon and is locked against the bolt body connector through a bottom nut threadedly connected to the corresponding vertical bolt, and the upper end surface of each vertical bolt protrudes from the mounting slot;

[0010] A rubber strip is arranged throughout the entire length and is snap-fitted to the upper end of the side wall of the mounting groove;

[0011] The steel cable connection profile is a plurality of profiles matching the vertical bolts, each of the steel cable connection profiles comprising a pressing piece sleeved on the vertical bolt at a corresponding position in the mounting groove and two steel cable connection pieces distributed on both sides of the vertical bolt at corresponding positions and connected at their lower ends, the vertical bolt being threadedly connected to an adjusting nut resting on the pressing piece;

[0012] A decorative cover plate is provided on the mounting groove through a vertical bolt arranged throughout the mounting groove, the decorative cover plate is in contact with and connected to the rubber strip on the mounting groove, and a top nut threadedly connected to the vertical bolt rests against the upper surface of the decorative cover plate.

[0013] Furthermore, in the tensioning and fixing device of the tensioned membrane structure provided by the present invention, a sealing gasket is provided on the lower surface of the decorative cover plate, and the sealing gasket contacts the rubber strip of the mounting groove.

[0014] Furthermore, in the tensioning and fixing device of the tensioned membrane structure provided by the present invention, the sealing gasket is a rubber gasket.

[0015] Furthermore, in the tensioning and fixing device for the tensioned membrane structure provided by the present invention, the steel cable connecting member of the steel cable connecting profile has a locking cavity and an opening thereon.

[0016] Furthermore, in the tensioning and fixing device for the tensioned membrane structure provided by the present invention, the cross-section of the steel cable connector is b-shaped or d-shaped.

[0017] Furthermore, in the tensioning and fixing device for the tensioned membrane structure provided by the present invention, the pressing piece of the steel cable connecting profile is in contact with the two steel cable connecting pieces below it at an inclined surface.

[0018] Furthermore, in the tensioning and fixing device for the tensioned membrane structure provided by the present invention, the contact surfaces between the pressing piece and the two steel cable connecting pieces thereunder are both toothed surfaces.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] The tensioning and fixing device of the tensioned membrane structure provided by the present invention, when tensioning the membrane material, the membrane material located in the horizontal direction on both sides of the installation groove and the steel cables connected to the ends thereof are bent along the upper surface of the rubber strips on the side walls of the installation groove and sunk downwardly into the steel cable connecting pieces connected to the installation groove, so that the tensioning force of the membrane material causes the steel cable connecting pieces to move upward and press against the pressing pieces, and the pressing pieces are pushed downward by rotating the adjusting nut and pressed against the two steel cable connecting pieces at their lower ends, thereby realizing the tensioning and fixing installation of the membrane material, which has the advantages of convenient construction, high construction efficiency and short construction period.

[0021] The tensioning and fixing device for a tensioned membrane structure provided by this utility model adjusts the tensioning force of the membrane material by rotating the adjusting nut clockwise and counterclockwise to move the pressing part up and down while maintaining the synchronous movement of the steel cable connecting part, thereby facilitating the installation and maintenance of the membrane material.

[0022] The tensioning and fixing device of the tensioned membrane structure provided by the utility model forms a closed structure of the installation groove through the decorative cover plate arranged on the installation groove by the sealing cover. In rainy weather, rainwater will not enter the installation groove, will not corrode the installation groove, will not penetrate into the connection structure between the steel cable and the steel cable connection profile, and will not change the installation environment in which the membrane material is installed on the steel cable connection profile via the steel cable. It has a waterproof effect, improves the connection reliability and quality of the membrane material installed on the steel cable connection profile via the steel cable, and thus increases the service life of the tensioning and fixing device.

[0023] The tensioning and fixing device of the tensioned membrane structure provided by the utility model has vertical bolts and steel cables arranged at intervals to connect the profile to fix the membrane material through the steel cables at its ends. Compared with the traditional tensioning and fixing device which has two vertical plates arranged throughout the length and a tension plate connected at intervals in the middle, and special aluminum profiles on both sides of the two plates are horizontally connected by bolts to the steel cables at the ends of the membrane material, it has the advantages of simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of a tensioning and fixing device of a tensioned membrane structure in the prior art;

[0025] Figure 2 yes Figure 1 An enlarged view of the components above the gutter;

[0026] Figure 3 yes Figure 1 A magnified view of the special aluminum profile;

[0027] Figure 4 It is a structural schematic diagram of a tensioning and fixing device of a tensioned membrane structure of the present invention;

[0028] Figure 5 yes Figure 4 Enlarged view of the steel cable connection assembly of the membrane material;

[0029] Figure 6 yes Figure 4 Enlarged view of the middle sealing gasket;

[0030] Existing technology diagram:

[0031] 100. Tensioning and fixing device, 101. Grid beam, 102. Stiffening plate, 103. Gutter, 104. Vertical plate, 105. Horizontal pull plate, 106. Transverse bolt, 107. Special aluminum profile, 1071. Connecting cavity, 1072. Middle cavity, 1073. Steel cable engaging cavity, 108. Steel cable, 109. Decorative cover plate, 110. Screw, 111. Membrane, 112. Rubber pad.

[0032] This utility model diagram:

[0033] 200. Tensioning and fixing device, 201. Main structure, 202. Rib, 203. Mounting groove, 204. Bolt connector, 205. Vertical bolt, 206. Bottom nut, 207. Rubber strip, 208. Steel cable connecting profile, 2081. Steel cable connector, 2082. Pressing part, 209. Adjusting nut, 210. Sealing gasket, 211. Decorative cover, 212. Top nut, 213. Membrane material, 214. Steel cable. DETAILED DESCRIPTION

[0034] The present invention is described in detail below with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are all simplified and not accurately scaled, and are only used to facilitate and clearly illustrate the embodiments of the present invention.

[0035] Please refer to Figures 4 to 6The present invention provides a tensioning and fixing device 200 for a tensioned membrane structure, comprising a main structure 201, ribs 202, mounting grooves 203, bolt connectors 204, vertical bolts 205, bottom nuts 206, rubber strips 207, steel cable connection profiles 208, adjusting nuts 209, decorative cover plates 211, and bottom nuts 212, wherein:

[0036] The main structure 201 may be a steel structure such as an I-beam, an H-beam, or a steel grid, but is not limited to a steel structure.

[0037] The ribs 202 are arranged on the main structure 201 at a first interval, wherein the first interval may be 500 mm.

[0038] The mounting grooves 203 are arranged on each rib 202. The cross-section of the mounting grooves 203 is U-shaped.

[0039] Multiple bolt connectors 204 are disposed on the bottom wall of the mounting groove 203 at second intervals along the centerline of the width of the mounting groove 203. The second interval can be 250 mm. The bolt connectors 204 can be welded to the mounting groove 203 or integrally formed with the mounting groove 203.

[0040] There are multiple vertical bolts 205, each of which passes through a corresponding bolt body connector 204 and is vertically arranged thereon. The bottom nut 206 is threadedly connected to the corresponding vertical bolt 205 and is locked against the bolt body connector 204. The upper end surface of each vertical bolt 205 protrudes from the installation slot 203. In other words, the elevation of the upper end surface of the vertical bolt 205 is greater than the elevation of the upper end surface of the installation slot 203.

[0041] The rubber strip 207 is arranged throughout the length and is buckled and mounted on the upper end of the side wall of the mounting groove 203. The rubber strip 207 has a notch buckled on the side wall of the mounting groove 203.

[0042] There are multiple steel cable connection profiles 208 that match the vertical bolts 205. Each of the steel cable connection profiles 208 includes a pressing piece 2082 that is sleeved on the vertical bolt 205 at the corresponding position in the installation groove 203 and two steel cable connection pieces 2081 that are distributed on both sides of the vertical bolt 205 at the corresponding positions and are in contact with each other at their lower ends. The vertical bolt 205 is threadedly connected with an adjusting nut 209 that rests on the pressing piece 2082.

[0043] The decorative cover plate 211 is provided with a sealing cover which passes through the vertical bolt 205 in the mounting groove 203 and is arranged on the mounting groove 203. The decorative cover plate 211 is in contact with and connected to the rubber strip 207 on the mounting groove 203. The top nut 212 which is threadedly connected to the vertical bolt 205 rests on the upper surface of the decorative cover plate 211.

[0044] The tensioning and fixing device 200 of the tensioned membrane structure provided by the embodiment of the present invention, when tensioning the membrane material 213, the membrane material 213 located in the horizontal direction on both sides of the installation groove 203 and the steel cables 214 connected to its ends are bent along the upper surface of the rubber strip 207 on the side wall of the installation groove 203 and sunk downward into the steel cable connector 2081 connected to the installation groove 203, so that the tensioning force of the membrane material 213 causes the steel cable connector 2081 to move upward and press against the pressing piece 2082, and the pressing piece 2082 is pushed downward by rotating the adjusting nut 209 to be pressed onto the two steel cable connectors 2081 at its lower end, thereby realizing the tensioned and fixed installation of the membrane material 213, which has the advantages of convenient construction, high construction efficiency and short construction period.

[0045] The tensioning and fixing device 200 of the tensioned membrane structure provided by the present invention adjusts the tensioning force of the membrane material 213 by rotating the adjusting nut 209 clockwise and counterclockwise to move the pressing member 2082 up and down while maintaining the synchronous movement of the cable connecting member 2081. This facilitates the installation and maintenance of the membrane material 213.

[0046] The tensioning and fixing device 200 for a tensile membrane structure provided by the present invention forms a closed structure by sealing the mounting groove 203 with a decorative cover plate 211. Therefore, during rainy weather, rainwater will not enter the mounting groove 203, corrode the mounting groove 203, or penetrate into the connection structure between the steel cable and the steel cable connecting profile 208. This does not change the installation environment in which the membrane is installed on the steel cable connecting profile 208 via the steel cable, thereby providing a waterproof effect and improving the connection reliability and quality of the membrane installed on the steel cable connecting profile 208 via the steel cable, thereby increasing the service life of the tensioning and fixing device 200. The vertical bolt 205, the steel cable connecting profile 208, and the adjusting nut 209 constitute the membrane cable connecting assembly, which is sealed within the mounting groove 203 to protect the membrane cable connecting assembly from damage, thereby providing the advantages of reliable, stable, and safe connection of the membrane 213.

[0047] The tensioning and fixing device 200 of the tensioned membrane structure provided by the embodiment of the present invention has vertical bolts 205 arranged at intervals and steel cable connection profiles 208 to fix the membrane material 213 through the steel cables 214 at its ends. Compared with the traditional tensioning and fixing device 200 which is fixed by two vertical plates 104 arranged throughout the length and the tensioning plates 105 connected at intervals in the middle, and the special aluminum profiles 107 on both sides horizontally connected by transverse bolts 106 and the steel cables at the ends of the membrane material, it has the advantages of simple structure and low cost.

[0048] Please refer to Figure 4 and Figure 6 In order to prevent the decorative cover plate 211 from scratching the membrane material 213 when fixing the membrane material 213, the tensioning and fixing device 200 of the tensioned membrane structure provided by the embodiment of the present invention is provided with a sealing gasket 210 on the lower surface of the decorative cover plate 211. The sealing gasket 210 contacts the rubber strip 207 of the mounting groove 203. At this time, the membrane material 213 sunk into the mounting groove 203 is pressed against the sealing gasket 210 on the decorative cover plate 211 through the rubber strips 207 on the two side walls of the mounting groove 203 to protect the membrane material 213 and prevent it from being scratched. The sealing gasket 210 is a flexible gasket such as a rubber gasket. In order to prevent the membrane material 213 from slipping on the press-fit surface between the decorative cover plate 211 and the mounting groove 203, the contact surface between the sealing gasket 210 and the rubber strip 207 can be a rough surface such as a serrated surface 2101. The sealing gasket 210 and the rubber strip 207 can both be made of EPDM rubber.

[0049] Please refer to Figures 4 and 5 To facilitate the connection of the steel cable 214 connected to the membrane material 213 to the steel cable connection profile 208, the tensioning and fixing device 200 for a tensile membrane structure provided in an embodiment of the present invention comprises a steel cable connection member 2081 of the steel cable connection profile 208 having a snap-fitting cavity and an opening therein. The steel cable connection members 2081, located on either side of the vertical bolt 205, have B-shaped and D-shaped cross-sections, respectively, with the openings located at the intersection of the vertical lines of the B- and D-shaped shapes and the upper chord of the semicircle. The steel cable 214, connected to the membrane material 213, is installed in the snap-fitting cavity through the openings to achieve connection between the steel cable 214 and the steel cable connection profile 208.

[0050] Please refer to Figures 4 and 5To improve the stability of the connection between the steel cable 214 connected to the membrane material 214 and the steel cable connecting profile 208, the tensioning and fixing device 200 for a tensile membrane structure provided by the present invention has a pressing piece 2082 of the steel cable connecting profile 208 in contact with the two steel cable connecting pieces 2081 below it at an angle. At this time, the pressing piece 2082 presses the steel cable connecting pieces 2081, closing the openings and preventing the steel cable 214 from escaping from the engaging cavity of the steel cable connecting pieces 2081. This improves the stability of the connection between the steel cable 214 connected to the membrane material 214 and the steel cable connecting profile 208.

[0051] Please refer to Figure 5 In order to increase the clamping force between the pressing piece 2082 and the steel cable connector 2081, the tensioning fixing device 200 of the tensioned membrane structure provided by the embodiment of the present invention, the contact surfaces of the pressing piece 2082 and the two steel cable connectors 2081 below it can both be rough surfaces such as toothed surfaces.

[0052] The present invention is not limited to the above-mentioned specific embodiments. Obviously, the above-described embodiments are only some embodiments of the present invention, not all embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field fall within the scope of protection of the present invention. Those skilled in the art can make other levels of modifications and changes to the present invention. In this way, if these modifications and changes of the present invention fall within the scope of the claims of the present invention, the present invention is also intended to include these changes and changes.

Claims

1. A tensioning and fixing device for a tensioned membrane structure, characterized in that: include: Main structure; Ribs are arranged on the main structure at first intervals; A mounting groove is arranged on each of the ribs throughout the entire length; A plurality of bolt connectors are arranged on the bottom wall of the installation groove along the width center line of the installation groove at a second interval; There are multiple vertical bolts, each of which passes through a corresponding bolt body connector and is vertically arranged thereon and is locked against the bolt body connector through a bottom nut threadedly connected to the corresponding vertical bolt, and the upper end surface of each vertical bolt protrudes from the mounting slot; A rubber strip is arranged throughout the entire length and is snap-fitted to the upper end of the side wall of the mounting groove; The steel cable connection profile is a plurality of profiles matching the vertical bolts, each of the steel cable connection profiles comprising a pressing piece sleeved on the vertical bolt at a corresponding position in the mounting groove and two steel cable connection pieces distributed on both sides of the vertical bolt at corresponding positions and connected at their lower ends, the vertical bolt being threadedly connected to an adjusting nut resting on the pressing piece; A decorative cover plate is provided on the mounting groove through a vertical bolt arranged throughout the mounting groove, the decorative cover plate is in contact with and connected to the rubber strip on the mounting groove, and a top nut threadedly connected to the vertical bolt rests against the upper surface of the decorative cover plate.

2. The tensioning and fixing device of the tensioned membrane structure according to claim 1, characterized in that: A sealing gasket is provided on the lower surface of the decorative cover plate, and the sealing gasket contacts the rubber strip of the mounting groove.

3. The tensioning and fixing device of the tensioned membrane structure according to claim 2, characterized in that: The sealing gasket is a rubber gasket.

4. The tensioning and fixing device of the tensioned membrane structure according to claim 1, characterized in that: The steel cable connecting piece of the steel cable connecting profile has a clamping cavity and an opening thereon.

5. The tensioning and fixing device of the tensioned membrane structure according to claim 4, characterized in that: The cross section of the steel cable connector is b-shaped or d-shaped.

6. The tensioning and fixing device of the tensioned membrane structure according to claim 1, characterized in that: The pressing piece of the steel cable connection profile is connected with the two steel cable connection pieces below it in oblique contact.

7. The tensioning and fixing device of the tensioned membrane structure according to claim 6, characterized in that: The contact surfaces of the pressing piece and the two steel cable connecting pieces thereunder are both toothed surfaces.

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