CN219280912U - Film tensioning and fixing device - Google Patents
Film tensioning and fixing device Download PDFInfo
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- CN219280912U CN219280912U CN202320372188.7U CN202320372188U CN219280912U CN 219280912 U CN219280912 U CN 219280912U CN 202320372188 U CN202320372188 U CN 202320372188U CN 219280912 U CN219280912 U CN 219280912U
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Abstract
The utility model relates to a membrane tensioning and fixing device, which comprises: a round tube; an adjusting plate extending straight along the axial direction of the round tube; 2n U-shaped groove bodies, wherein n is an integer greater than or equal to 1, are uniformly distributed on two sides of the adjusting plate and are staggered with each other, and the directions of the groove openings are all outward; one end of the screw rod sequentially penetrates through the bottom of the U-shaped groove body and the adjusting plate and is fastened by the adjusting nut, the other end of the screw rod is provided with a pressing plate, a membrane edge strip clamping cavity is formed between the inner side of the pressing plate and the U-shaped groove body, and the middle part of the screw rod is also inserted with a positioning pin. When the tectorial membrane, draw in two pipes with building stretch-draw membrane between, in membrane both sides strake gets into a plurality of membrane strake joint cavitys in proper order, in the free end installation adjusting nut of lead screw, utilize the electric spanner who sets for the moment of torsion in advance to fasten adjusting nut, the lead screw can drive the strake of clamp plate extrusion membrane, and then accomplish the fixed and the tensioning to building stretch-draw membrane, greatly reduced the damage to the membrane material and the installation is simpler, can also realize secondary tensioning, it is very convenient.
Description
Technical Field
The utility model relates to the technical field of membrane structure building, in particular to a membrane tensioning and fixing device.
Background
The common membrane structure comprises an integral stretching type membrane structure, a framework supporting type membrane structure, a rope supporting type membrane structure and the like, wherein the framework supporting type membrane structure is formed by taking a steel member or other rigid structure as a bearing framework, and membrane materials which are stretched according to design requirements are arranged on the framework.
The whole film coating of the supporting steel skeleton is realized by sequentially adding building stretch-draw films between two adjacent round pipes, and the two sides of the film are generally provided with side strips convenient to draw, and the connection mode of the side strips and the round pipes is generally divided into two types: the method is characterized in that a channel steel is arranged above a round pipe, after one side of a film is fixed, an operator pulls an edge strip on a tension film from the other side until the tension film is completely tensioned, a pressing strip is attached to the upper side of the film and sequentially passes through the pressing strip, the film and a pipe frame to be fixed by self-tapping screws, but the method is greatly influenced by human factors, the tensioning degree of the tension film is uncontrollable, certain potential safety hazards exist, and meanwhile, according to the film structure specification, the tension film of a building needs to be tensioned for a second time regularly in the use process, the requirement of the second tensioning is difficult to be met by the fixing mode, accumulated water and accumulated snow are easy to cause, and the normal use of the whole film is further influenced; the other is that a plurality of metal pin sheets are fixed on two sides of the film in advance, T-shaped steel is arranged on a circular tube in a linear extending mode along the axial direction, when the stretch-draw film with the pin sheets is pulled to a designated position, a screw rod sequentially penetrates through the pin sheets and the T-shaped steel and is fastened by adjusting nuts, and the mode can realize secondary tensioning of the stretch-draw film, but because the pin sheets are fixed on the stretch-draw film in advance, uncontrollable scratches can be generated on the film in the transportation and dragging processes of the film, the production progress is affected, and the production cost is increased.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problems that the prior art cannot protect the building stretch-draw film from being damaged as much as possible, and simultaneously can ensure that the tensioning and fixing of the building stretch-draw film on a framework are not influenced by human factors and the tensioning is convenient for secondary tensioning.
In order to solve the technical problems, the utility model provides a film tensioning and fixing device, which comprises:
a round tube;
the adjusting plate is connected with the outer wall of the circular tube and extends linearly along the axial direction of the circular tube;
the U-shaped groove bodies are provided with 2n, n is an integer greater than or equal to 1, wherein 1n U-shaped groove bodies are arranged on one side of the adjusting plate, 1n U-shaped groove bodies are arranged on the other side of the adjusting plate, the U-shaped groove bodies on two sides are arranged in a staggered mode, and the directions of the groove openings are outwards;
one end of the screw rod sequentially penetrates through the bottom of the U-shaped groove body and the adjusting plate, the other end of the screw rod is provided with a pressing plate, a membrane edge strip clamping cavity is formed between the inner side of the pressing plate and the U-shaped groove body, and the middle part of the screw rod is also provided with a pin hole;
the positioning pin penetrates through the pin hole and is positioned between the U-shaped groove body and the adjusting plate;
and the adjusting nut is connected with the screw rod and is clung to one side of the adjusting plate, which is far away from the positioning pin.
In one embodiment of the utility model, the pressing plate is arranged in the U-shaped groove body, and a film plug-in gap is formed between the lower end of the pressing plate and the U-shaped groove body.
In one embodiment of the utility model, the center line of the pin hole and the center line of the screw rod are perpendicular to each other and in the same plane.
In one embodiment of the utility model, the cross section of the adjusting plate is T-shaped.
In one embodiment of the present utility model, the plane in which the adjusting plate is located, the plane in which the bottom of the U-shaped groove is located, and the plane in which the pressing plate is located are all parallel.
In one embodiment of the utility model, the U-shaped groove bodies positioned on two sides of the adjusting plate are always clung to the round tube.
In one embodiment of the utility model, the bottoms of the adjusting plate and the U-shaped groove body are respectively provided with a plurality of through holes, and the diameter of each through hole is larger than the large diameter of the screw rod.
In another embodiment of the present utility model, a plurality of adjusting plates are provided, two sides of each adjusting plate are respectively provided with m U-shaped groove bodies in a staggered manner, and m is also an integer greater than or equal to 1.
In another embodiment of the present utility model, the plurality of adjusting plates are uniformly disposed along the axial direction of the circular tube.
In another embodiment of the utility model, a pre-locking nut is further arranged on the screw rod, and the pre-locking nut is clung to one side, far away from the U-shaped groove body, of the pressing plate.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
when the integral film covering is carried out on the framework, the integral film covering device of the film tensioning film is firstly used for pulling the integral film of the building between two adjacent circular pipes, then an operator sequentially buckles the side strips at two sides of the film into a plurality of film side strip clamping cavities extending along the straight line of the circular pipes by using the pressing plates, meanwhile, a locating pin is inserted in the middle of the screw rod to prevent the pressing plates and the film from being separated, the free end of the screw rod penetrates through the adjusting plate and is provided with the adjusting nut, the adjusting nut is fastened by using the electric spanner with the torque set in advance, the pressing plates are driven by the screw rod to press the side strips of the film, and further, the fixing and tensioning of the building tensioning film are finished.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of the overall structure of a membrane tensioning and fixing device of the present utility model;
FIG. 2 is a front view of a membrane tensioning fixture device of the present utility model;
FIG. 3 is a side view of the membrane tensioning fixture of the present utility model;
FIG. 4 is a top view of the membrane tensioning and fixing device of the present utility model;
FIG. 5 is a top view of another embodiment of an adjustment plate in a membrane tensioning fixture of the present utility model and a building tensioning membrane in a tensioned state;
FIG. 6 is a schematic view of another embodiment of the connection of the platen and the screw in the membrane tensioning fixture device of the present utility model;
fig. 7 is a schematic view of a partial structure of the platen and screw connection shown in fig. 6.
Description of the specification reference numerals: 1. a round tube; 2. an adjusting plate; 3. a U-shaped groove body; 4. a screw rod; 5. a pressing plate; 6. a positioning pin; 7. an adjusting nut; 8. pre-locking the nut; 9. building a tensioning membrane; 901. edge strips; 902. a waterproof curtain; 10. the membrane edge strip is clamped with the cavity.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 to 5, the present utility model provides a membrane tensioning and fixing device, including:
a round tube 1;
the adjusting plate 2 is connected with the outer wall of the circular tube 1, and the adjusting plate 2 linearly extends along the axial direction of the circular tube 1;
the U-shaped groove bodies 3 are provided with 2n, n is an integer greater than or equal to 1, wherein 1n U-shaped groove bodies 3 are arranged on one side of the adjusting plate 2, 1n U-shaped groove bodies 3 are arranged on the other side of the adjusting plate 2, and the U-shaped groove bodies 3 on two sides are arranged in a staggered manner and the directions of the groove openings are all outward;
one end of the screw rod 4 sequentially penetrates through the bottom of the U-shaped groove body 3 and the adjusting plate 2, the other end of the screw rod 4 is provided with a pressing plate 5, a membrane edge strip clamping cavity 10 is formed between the inner side of the pressing plate 5 and the U-shaped groove body 3, and the middle part of the screw rod 4 is also provided with a pin hole;
the positioning pin 6 penetrates through the pin hole, and the positioning pin 6 is positioned between the U-shaped groove body 3 and the adjusting plate 2;
and an adjusting nut 7 which is connected with the screw rod 4 and is tightly attached to one side of the adjusting plate 2 away from the positioning pin 6.
When the integral film covering is carried out on the framework, the building stretch film 9 is integrally pulled between two adjacent round pipes 1, then an operator sequentially buckles the side strips 901 on two sides of the film into a plurality of film side strip clamping cavities 10 extending along the straight lines of the round pipes 1 by using the pressing plates 5, meanwhile, the middle part of the screw rod 4 is inserted with the positioning pins 6 to prevent the pressing plates 5 from being separated from the film, the free end of the screw rod 4 passes through the adjusting plate 2 and is provided with the adjusting nuts 7, the adjusting nuts 7 are fastened by using the electric spanner with the torque set in advance, the screw rod 4 drives the pressing plates 5 to squeeze the side strips 901 of the film, and further, the fixing and tensioning of the building stretch film 9 are finished.
Specifically, a common framework supporting type membrane structure is provided with a large-span pipe truss membrane structure, an upper chord pipe in the crossing direction of the membrane structure is a circular pipe 1, a plurality of circular pipes 1 are arranged in parallel, an adjusting plate 2 extending along a straight line is arranged on the outer wall of a single circular pipe 1, the adjusting plate 2 is used for being inserted with a screw rod 4, and an adjusting nut 7 is matched for pulling a pressing plate 5 so as to realize tensioning action on a membrane material; the length of the adjusting plate 2 is set according to the length of the round tube 1, two sides of the adjusting plate are uniformly matched with a plurality of U-shaped groove bodies 3, all U-shaped groove bodies 3 are required to be staggered so as not to prevent normal adjustment of the opposite adjusting nut 7, and the pressing plate 5 and the screw rod 4 are welded and fixed in advance; the construction tensioning film 9 does not need to be additionally provided with any rigid accessories such as fixing pin sheets and the like at two sides of the construction tensioning film 9, the previous construction process is hardly changed, only when the construction tensioning film 9 is pulled from one end of the circular tube 1 to the other end, the edges 901 at two sides of the film are ensured to be close to two sides of the adjusting plate 2, an operator can carry the pressing plate 5, the screw rod 4, the U-shaped groove body 3, the adjusting nut 7, the positioning pin 6 and the electric wrench with him, the adjusting plate 2 and the U-shaped groove body 3 are respectively provided with corresponding screw rod 4 insertion holes, the screw rod 4 firstly passes through the U-shaped groove body 3, the pressing plate 5 can clamp the edges 901 into the U-shaped groove body 3 (namely, a film edge clamping cavity 10 is formed between the U-shaped groove body 3 and the pressing plate 5), the positioning pin 6 is inserted into the pin holes at the moment, thereby the pressing plate 5, the U-shaped groove body 3 and the film are pre-connected, then, the screw rod 4 continuously passes through the adjusting plate 2 and the adjusting nut 7 is arranged on the other side of the adjusting plate 2, the steps are repeated on one circular tube 1 along the length direction to connect one side of the building tensioning film 9, and then the other side of the tensioning film is correspondingly connected on the adjacent circular tube 1, except that the adjusting nut 7 is required to be screwed down by an electric wrench to set torque in sequence, the adjusting nut 7 on one side of the film is required to be adjusted when the film is subjected to secondary tensioning, the whole device is convenient to install and adjust the film, damage to the film is reduced as much as possible, and meanwhile, due to the design of the whole structure, operators only need to carry the electric wrench to work, and the safety risk is greatly reduced.
More, the U-shaped groove body 3 can be directly selected from U-shaped steel, so that the U-shaped groove body is easy to obtain, the production cost can be reduced as much as possible, and meanwhile, the upper side plate of the U-shaped groove body 3 is slightly shorter than the lower side plate, so that an operator can conveniently clamp the membrane edge strips 901 into the inner side of the pressing plate 5; the position of the stretched film close to one side edge 901 is additionally provided with a waterproof curtain 902 with the length equal to the film length, and the gaps at the two sides of the adjusting plate 2 can be covered by the waterproof curtain 902, and the free end of the waterproof curtain 902 is connected with the other Zhang Mojiao after crossing the adjusting plate 2; the adjusting plate 2 is a vertical plate, and T-shaped steel can be directly used, so that the acquisition is more convenient.
Further, the pressing plate 5 is arranged in the U-shaped groove body 3, and a film plug-in gap is formed between the lower end of the pressing plate 5 and the U-shaped groove body 3.
Specifically, when the adjusting plate 2 is arranged in the vertical direction, the notch direction of the U-shaped groove bodies 3 on two sides of the adjusting plate is horizontal, namely, left and right, and for the U-shaped groove bodies 3 on one side, a certain interval exists between the side plate of the groove body with the longer lower end and the pressing plate 5 in the same way as described above, the interval is a film filling gap, the gap is slightly larger than the thickness of a stretching film, damage to the film is prevented, more, anti-corrosion soft protection materials can be arranged at the lower end of the groove body and the lower end of the pressing plate 5, and the pulling damage to the film is reduced as much as possible.
Further, the center line of the pin hole is perpendicular to the center line of the screw rod 4 and is in the same plane.
Specifically, the pin hole is arranged intersecting with the screw rod 4, the length of the positioning pin 6 exceeds the length of the pin hole, the plane where the positioning pin 6 is located and the plane where the adjusting plate 2 is located are in a vertical state when the film is tensioned, and the positioning pin 6 and the screw rod 4 are arranged intersecting with each other to better pre-fix the film.
Further, the cross section of the adjusting plate 2 is T-shaped.
Specifically, like the above description, the adjusting plate 2 can be a T-shaped steel vertically welded on the outer wall of the circular tube 1, so that the adjusting plate is convenient to obtain, has high strength, reduces the manufacturing period and the production cost, and can cover the holes and the adjustment on the adjusting plate 2.
Further, the plane where the adjusting plate 2 is located, the plane where the bottom of the U-shaped groove body 3 is located, and the plane where the pressing plate 5 is located are all parallel to each other.
Specifically, the parallelism of the three planes can ensure the consistency of tensioning of the tensioning membrane along the length direction, and is more beneficial to reducing the damage to the membrane.
Further, the U-shaped groove bodies 3 positioned on the two sides of the adjusting plate 2 are always clung to the round tube 1.
Specifically, the U-shaped groove body 3 and the pressing plate 5 are only used for pre-fixing the film, the outer surface of the U-shaped groove body 3 is always kept close to the outer wall of the circular tube 1 under the action of the screw rod 4, the circular tube 1 is used as a support in the tensioning process of the film, meanwhile, in order to achieve a better guiding effect on the U-shaped groove body 3, a guide flat plate can be arranged on the circular tube 1 in the direction perpendicular to the adjusting plate 2, the screw rod 4 perforation on the U-shaped groove body 3 and the adjusting plate 2 can be guaranteed to be always in a straight line, and when the adjusting nut 7 is adjusted, the U-shaped groove body 3 always moves towards two sides in the horizontal direction, so that the tensioning of the film is more beneficial.
Further, the bottoms of the adjusting plate 2 and the U-shaped groove body 3 are respectively provided with a plurality of through holes, and the diameter of each through hole is larger than the large diameter of the screw rod 4.
Specifically, here the through-hole is the lead screw 4 jack of wearing, and the normal insertion of lead screw 4 and to the stretch-draw of membrane can be guaranteed to bigger aperture, but should keep slightly bigger than the hole of lead screw 4 diameter as required can, more, the through-hole evenly sets up to guarantee the stretch-draw homogeneity to membrane length direction.
Example 2
With continued reference to fig. 5, the adjusting plates 2 are provided in plurality, m U-shaped grooves 3 are respectively provided on both sides of a single adjusting plate 2 in a staggered manner, and m is an integer greater than or equal to 1.
Specifically, in order to save cost and weight of the pipe rack, the adjusting plates 2 can be arranged in a mode that multiple sections of straight lines are distributed on the circular pipe 1, each section of adjusting plate 2 can correspond to one U-shaped groove body 3 on two sides respectively, and also can correspond to multiple U-shaped groove bodies 3 on two sides respectively, so that connection of the film is enhanced.
Further, the plurality of adjusting plates 2 are uniformly arranged along the axial direction of the circular tube 1.
Specifically, as described above, when the adjusting plate 2 is arranged in a sectional manner, the uniform distribution can more ensure the consistency of the whole building stretch-draw film 9 in the adjusting process, which is more attractive and is also more beneficial to the integrity of the film.
Example 3
Referring to fig. 6 to 7, the screw rod 4 is further provided with a pre-locking nut 8, and the pre-locking nut 8 is clung to one side of the pressing plate 5 away from the U-shaped groove body 3.
Specifically, in order to improve production efficiency, the screw rod 4 and the pressing plate 5 may not be directly fixedly connected, but be in a bolt fastening mode, only a threaded hole needs to be formed in the pressing plate 5, one end of the screw rod 4 is screwed into the pressing plate 5 in advance and fastened by using the pre-locking nut 8, and a gasket may be additionally arranged between the nut and the pressing plate 5.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. The utility model provides a membrane stretch-draw fixing device which characterized in that includes:
a round tube;
the adjusting plate is connected with the outer wall of the circular tube and extends linearly along the axial direction of the circular tube;
the U-shaped groove bodies are provided with 2n, n is an integer greater than or equal to 1, wherein 1n U-shaped groove bodies are arranged on one side of the adjusting plate, 1n U-shaped groove bodies are arranged on the other side of the adjusting plate, the U-shaped groove bodies on two sides are arranged in a staggered mode, and the directions of the groove openings are outwards;
one end of the screw rod sequentially penetrates through the bottom of the U-shaped groove body and the adjusting plate, the other end of the screw rod is provided with a pressing plate, a membrane edge strip clamping cavity is formed between the inner side of the pressing plate and the U-shaped groove body, and the middle part of the screw rod is also provided with a pin hole;
the positioning pin penetrates through the pin hole and is positioned between the U-shaped groove body and the adjusting plate;
and the adjusting nut is connected with the screw rod and is clung to one side of the adjusting plate, which is far away from the positioning pin.
2. The membrane tensioning and fixing device according to claim 1, wherein: the pressing plate is arranged in the U-shaped groove body, and a film plug-in gap is formed between the lower end of the pressing plate and the U-shaped groove body.
3. The membrane tensioning and fixing device according to claim 1, wherein: the center line of the pin hole is perpendicular to the center line of the screw rod and is in the same plane.
4. The membrane tensioning and fixing device according to claim 1, wherein: the cross section of the adjusting plate is T-shaped.
5. The membrane tensioning and fixing device according to claim 1, wherein: the plane where the adjusting plate is located, the plane where the bottom of the U-shaped groove body is located, and the plane where the pressing plate is located are all parallel.
6. The membrane tensioning and fixing device according to claim 1, wherein: the U-shaped groove bodies positioned on two sides of the adjusting plate are always clung to the round tube.
7. The membrane tensioning and fixing device according to claim 1, wherein: the adjusting plate and the bottom of the U-shaped groove body are respectively provided with a plurality of through holes, and the diameter of each through hole is larger than the large diameter of the screw rod.
8. The membrane tensioning and fixing device according to claim 1, wherein: the adjusting plates are provided with a plurality of adjusting plates, m U-shaped groove bodies are respectively arranged on two sides of each adjusting plate in a staggered mode, and m is an integer greater than or equal to 1.
9. The membrane tensioning and fixing device according to claim 8, wherein: the adjusting plates are uniformly arranged along the axial direction of the circular tube.
10. The membrane tensioning and fixing device according to claim 1, wherein: the screw rod is also provided with a pre-locking nut, and the pre-locking nut is clung to one side, far away from the U-shaped groove body, of the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320372188.7U CN219280912U (en) | 2023-03-02 | 2023-03-02 | Film tensioning and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320372188.7U CN219280912U (en) | 2023-03-02 | 2023-03-02 | Film tensioning and fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219280912U true CN219280912U (en) | 2023-06-30 |
Family
ID=86924622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320372188.7U Active CN219280912U (en) | 2023-03-02 | 2023-03-02 | Film tensioning and fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219280912U (en) |
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2023
- 2023-03-02 CN CN202320372188.7U patent/CN219280912U/en active Active
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