Positioning device suitable for ETFE film installation

Abstract

The utility model discloses a positioning device suitable for ETFE membrane installation, which relates to the technical field of ETFE membrane installation and comprises a support frame, a self-locking membrane releasing mechanism and a membrane clamping mechanism are sequentially arranged on the support frame, and the membrane clamping mechanism comprises two thread centering components and a synchronous transmission component. The self-locking type film releasing mechanism comprises a releasing roller, a mounting cover, a worm gear, a control shaft rotationally mounted in the mounting cover and a worm fixedly arranged on the control shaft in a sleeving mode. According to the utility model, through the cooperation of the self-locking type film releasing mechanism and the film clamping mechanism, after a roll forming ETFE film is released by a required length, the self-locking performance of meshing of a worm and a worm gear is utilized, so that the released ETFE film is not easy to pull out the redundant roll forming ETFE film on a releasing roller in the stretching and mounting process, and the roll forming ETFE film is prevented from being damaged. Meanwhile, the ETFE film is centered and clamped through the upper clamping rod and the lower clamping rod, so that double positioning guarantee is adopted, the positioning effect in the ETFE film mounting process can be effectively guaranteed, and the mounting quality of the ETFE film can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ETFE membrane installation technical field especially relates to a kind of positioning device suitable for ETFE membrane installation. BACKGROUND

[0002] ETFE membrane is a kind of light, heat-resistant, transparent film material, with many unique properties, its application in the field of construction is more outstanding, for example, ETFE membrane can be used to build roof and sunshade, provide natural lighting and sunshade function, while also can resist adverse weather conditions.

[0003] The existing ETFE membrane is generally released by release roller in the installation process The length of the roll ETFE membrane is released, and then installed However, the existing release roller has poor automatic self-locking positioning performance, and the excess roll ETFE membrane on the release roller is easily pulled out during the stretching installation process, which affects the installation of ETFE membrane. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a positioning device suitable for ETFE membrane installation.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A positioning device suitable for ETFE membrane installation, comprising a support frame, a self-locking film releasing mechanism and a film clamping mechanism are sequentially arranged on the support frame, and the film clamping mechanism comprises two screw centering assemblies and a synchronous transmission assembly;

[0007] The self-locking film releasing mechanism comprises a release roller rotatably installed in the support frame, a mounting cover fixedly connected to the side wall of the support frame, a worm gear fixedly sleeved on one end of the release roller, a control shaft rotatably installed in the mounting cover, and a worm fixedly sleeved on the control shaft;

[0008] Both screw centering assemblies comprise a guide rail fixedly connected to the front outer wall of the support frame, two bearing seats symmetrically fixed to the front outer wall of the guide rail, a bidirectional screw rotatably installed on the two bearing seats, and two centering blocks symmetrically screwed on two opposite screw threads of the bidirectional screw and slidably connected with the guide rail;

[0009] The synchronous transmission assembly comprises two synchronous pulleys fixedly sleeved on the bottom ends of the two bidirectional screws, the two synchronous pulleys are drivingly connected by the same synchronous belt, and the top outer wall of the bidirectional screw away from the mounting cover is fixedly connected with a cap.

[0010] Preferably, the worm and the worm wheel are in meshing engagement with each other and are located in the mounting cover, and one end of the operating shaft is fixedly connected with a hand wheel.

[0011] Preferably, the front edges of the two upper alignment blocks are fixedly connected with a same upper clamping rod, and the front edges of the two lower alignment blocks are fixedly connected with a same lower clamping rod.

[0012] Preferably, the release roller is provided with an adjustable anti-deviation assembly, and the adjustable anti-deviation assembly comprises a fixed disc fixedly sleeved on the release roller, a movable disc movably sleeved on the release roller, and a butterfly locking screw threadedly connected to the movable disc.

[0013] Preferably, the top of the release roller is provided with equidistantly distributed positioning holes, and the butterfly locking screw is threadedly connected with one of the positioning holes.

[0014] Preferably, the release roller is provided with a roll ETFE film, and the roll ETFE film is located between the fixed disc and the movable disc.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The self-locking film releasing mechanism and the film clamping mechanism are cooperated, the worm and the worm wheel are in meshing engagement, the released ETFE film is not easy to be pulled out of the release roller in the stretching installation process, the upper clamping rod and the lower clamping rod are used to clamp the ETFE film, the double positioning guarantee is adopted, the positioning effect in the ETFE film installation process is effectively ensured, and the installation quality of the ETFE film is improved.

[0017] 2. The limiting effect of the fixed disc and the movable disc can effectively avoid the deviation of the roll ETFE film in the release installation process, the installation efficiency of the ETFE film is effectively ensured, and the position of the movable disc is adjustable, so that the roll ETFE film of different widths can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole front view of the utility model and shows a three-dimensional structure schematic diagram;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the roll ETFE film in the utility model and shows an uninstalled state;

[0020] Figure 3 It is a side view structure schematic diagram of the mounting cover vertical section in the utility model;

[0021] Figure 4It is the three-dimensional enlarged structure schematic view of part components in the utility model.

[0022] Figure 5 It is the three-dimensional enlarged structure schematic view of screw centering assembly in the utility model.

[0023] In the figure: 1, support frame;2, release roller;3, mounting cover;4, worm wheel;5, control shaft;6, worm;7, hand wheel;8, guide rail;9, bearing seat;10, two-way screw;11, centering block;12, synchronous wheel;13, synchronous belt;14, cap;15, fixed disc;16, movable disc;17, butterfly locking screw;18, positioning hole;19, roll ETFE film. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Embodiment 1, refer to Figures 1-5 A kind of positioning device suitable for ETFE film installation, including support frame 1, self-locking film release mechanism and film clamping mechanism are sequentially arranged on support frame 1, film clamping mechanism includes two screw centering assemblies and a synchronous transmission assembly;

[0026] In the embodiment, self-locking film release mechanism includes release roller 2 rotationally installed in support frame 1, mounting cover 3 fixedly connected to the side wall of support frame 1, worm wheel 4 fixedly sleeved on one end of release roller 2, control shaft 5 rotationally installed in mounting cover 3 and worm 6 fixedly sleeved on control shaft 5;

[0027] Further, worm 6 and worm wheel 4 are engaged with each other and located in mounting cover 3, hand wheel 7 is fixedly connected to the outer wall of one end of control shaft 5, the same upper clamping rod is fixedly connected to the outer wall of the front edge of the two upper centering blocks 11, and the same lower clamping rod is fixedly connected to the outer wall of the front edge of the two lower centering blocks 11;

[0028] Further, the release roller 2 is provided with an adjustable anti-deviation assembly, the adjustable anti-deviation assembly comprises a fixed disc 15 fixedly sleeved on the release roller 2, a movable disc 16 movably sleeved on the release roller 2 and a butterfly locking screw 17 threadedly connected to the movable disc 16, the top of the release roller 2 is provided with equidistantly distributed positioning holes 18, the butterfly locking screw 17 is threadedly connected with one of the positioning holes 18, the release roller 2 is provided with a roll ETFE film 19, the roll ETFE film 19 is located between the fixed disc 15 and the movable disc 16, then the limiting distance between the movable disc 16 and the fixed disc 15 can be changed by allowing the movable disc 16 to move on the release roller 2, after the position of the movable disc 16 is adjusted, the position is fixed by screwing the butterfly locking screw 17 into the corresponding positioning hole 18 at this time, in this way, it is convenient to adapt to ETFE films 19 of different widths, through the limiting effect of the fixed disc 15 and the movable disc 16, the situation that the roll ETFE film 19 deviates during release and installation can be effectively avoided, so that the installation efficiency of the ETFE film can be effectively ensured;

[0029] In the embodiment, each of the two screw centering assemblies comprises a guide rail 8 fixedly connected to the front outer wall of the support frame 1, two bearing seats 9 symmetrically fixed to the front outer wall of the guide rail 8, a bidirectional screw 10 rotatably installed on the two bearing seats 9 and two centering blocks 11 symmetrically screwed on two opposite threaded ends of the bidirectional screw 10 and in sliding connection with the guide rail 8.

[0030] In the embodiment, the synchronous transmission assembly comprises two synchronous wheels 12 fixedly sleeved on the bottom ends of the two bidirectional screws 10 in sequence, the two synchronous wheels 12 are drivingly connected through the same synchronous belt 13, and the top outer wall of the bidirectional screw 10 away from the mounting cover 3 is fixedly connected with a rotating cap 14.

[0031] The working principle of the embodiment is as follows: first, the worm 6 on the operating shaft 5 is driven to rotate through the hand wheel 7, then the worm gear 4 meshing with the worm 6 drives the release roller 2 to rotate to release the roll ETFE film 19 needed to be used, after the required length is released, the release roller 2 is not rotated any more, at this time, the self-locking performance of the meshing of the worm 6 and the worm gear 4 can ensure that the ETFE film released is not easy to pull out the excess part of the roll ETFE film 19 on the release roller 2 during the stretching and installation process, the positioning effect in the ETFE film installation process is improved, and then the installation quality of the ETFE film is improved;

[0032] Secondly, when the roll ETFE film 19 releases the required length, at this time, the two-way screw rod 10 is rotated by the rotating cap 14, and the synchronous wheel 12 at the bottom of the two-way screw rod 10 is also rotated, and the other synchronous wheel 12 drives the two-way screw rod 10 on it to rotate under the synchronous transmission effect of the synchronous belt 13, so that the two two-way screw rods 10 are synchronously rotated, the two centering blocks 11 above and the two centering blocks 11 below are close to each other, and the ETFE film is clamped and fixed by the upper clamping rod and the lower clamping rod, so that the positioning effect in the ETFE film installation process is further improved.

[0033] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A positioning device for ETFE membrane installation applications comprising a support frame (1), characterized in that, The support frame (1) is sequentially provided with a self-locking film releasing mechanism and a film clamping mechanism, and the film clamping mechanism comprises two screw centering assemblies and a synchronous transmission assembly. The self-locking film releasing mechanism comprises a release roller (2) rotatably installed in the support frame (1), a mounting cover (3) fixedly connected to the side wall of the support frame (1), a worm wheel (4) fixedly sleeved on one end of the release roller (2), a control shaft (5) rotatably installed in the mounting cover (3), and a worm (6) fixedly sleeved on the control shaft (5). Each of the two screw centering assemblies comprises a guide rail (8) fixedly connected to the front outer wall of the support frame (1), two bearing seats (9) symmetrically fixed to the front outer wall of the guide rail (8), a bidirectional screw (10) rotatably installed on the two bearing seats (9), and two centering blocks (11) symmetrically screwed on the two opposite threaded ends of the bidirectional screw (10) and slidably connected with the guide rail (8). The synchronous transmission assembly comprises two synchronous wheels (12) fixedly sleeved on the bottom ends of the two bidirectional screws (10), and the two synchronous wheels (12) are drivingly connected through a same synchronous belt (13), and the top end outer wall of one of the two bidirectional screws (10) away from the mounting cover (3) is fixedly connected with a rotating cap (14).

2. A positioning device for ETFE membrane mounting applications according to claim 1, characterized in that, The worm (6) and the worm wheel (4) are in meshing engagement and located in the mounting cover (3), and one end of the control shaft (5) is fixedly connected with a hand wheel (7).

3. A positioning device for ETFE membrane mounting applications according to claim 1, wherein, The front outer walls of the two upper centering blocks (11) are fixedly connected with a same upper clamping rod, and the front outer walls of the two lower centering blocks (11) are fixedly connected with a same lower clamping rod.

4. The positioning device for ETFE membrane mounting according to claim 1, wherein The release roller (2) is provided with an adjustable anti-deviation assembly, and the adjustable anti-deviation assembly comprises a fixed disc (15) fixedly sleeved on the release roller (2), a movable disc (16) movably sleeved on the release roller (2), and a butterfly lock screw (17) threadedly connected to the movable disc (16).

5. The positioning device for ETFE membrane mounting according to claim 1, wherein The top of the release roller (2) is provided with equidistantly distributed positioning holes (18), and the butterfly lock screw (17) is threadedly connected with one of the positioning holes (18).

6. The positioning device for ETFE membrane mounting according to claim 1, wherein The release roller (2) is provided with a rolled ETFE film (19), and the rolled ETFE film (19) is located between the fixed disc (15) and the movable disc (16).

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