Framework type membrane structure pretension device

By using a pre-tensioning device for a skeleton-type membrane structure, and utilizing a motor-driven winding roller and gear ratchet mechanism, the tension of the membrane on the skeleton structure is enhanced, solving the problem of unstable membrane coverage in the skeleton-type membrane structure and improving the stability and safety of the structure.

CN223675859UActive Publication Date: 2025-12-16CHONGQING DESIGN GRP CO LTD
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Patent Information

Application Number
CN202423228542.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In existing skeleton-type membrane structures, it is difficult to guarantee the stability and safety of the structure when the thin film is covered on the skeleton structure.

Method used

A pre-tensioning device for a skeleton-type membrane structure is designed. The device applies tension by driving the winding roller to rotate with a motor, and achieves stable film coverage through the cooperation of gear and ratchet mechanisms. The tension is increased by using transition rollers and auxiliary rollers.

Benefits of technology

This achieved stable film coverage on the skeleton structure, enhancing the stability and safety of the structure, avoiding misalignment, and increasing the tension of the connecting ropes and the membrane.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a framework type membrane structure pre-tension device which comprises a supporting table, the top of the supporting table is fixedly connected with two supporting limiting grooves through bolts, inner cavities of the two supporting limiting grooves are both connected with supporting rods in a sliding mode, the front sides of the two supporting rods are both fixedly connected with racks, and the racks are connected with the supporting limiting grooves in a sliding mode. The top of the supporting table is fixedly connected with a support through a bolt, an inner cavity of the support is rotatably connected with a round rod, and the right end of the round rod is fixedly connected with an auxiliary gear. Meanwhile, a supporting rod is rotated to drive a main gear and a ratchet wheel to rotate, then jacking force is applied to a connecting rope through a transition roller, tensioning force is increased, and the purpose that when a framework structure is covered with a film, the stability and safety of the whole structure can be guaranteed can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building membrane structure, especially, relate to a skeleton type membrane structure pre -tension device. BACKGROUND

[0002] Skeleton type membrane structure is a kind of special building structure system, it is stretched to the predetermined shape by pre-tension device and connecting rope to thin film, forms the structure system with self-weight bearing capacity and larger span, this structure form has wide application in the field of construction.

[0003] Pre-tension device plays a vital role in skeleton type membrane structure, its main function is to realize the stable shape of thin film by exerting tension, in order to make thin film cover on skeleton structure, can guarantee the stability and safety of entire structure, design a skeleton type membrane structure pre-tension device, the device is exerted tension to thin film by collecting rope roller, and the position change of transition roller can adjust the load force that thin film receives, i.e. when thin film covers on skeleton structure, can guarantee the stability and safety of entire structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a skeleton type membrane structure pre-tension device, with when thin film covers on skeleton structure, can guarantee the stability and safety of entire structure, to solve the above background technical problem.

[0005] The utility model solves the technical scheme in the above technical problem: a skeleton type membrane structure pre-tension device, it includes support platform: the top of support platform is fixedly connected with two support limit grooves by bolt, and the inner chamber of two support limit grooves is slidably connected with support rod, and the front side of two support rods is fixedly connected with rack, and the top of support platform is fixedly connected with support frame by bolt, and the inner chamber of support frame is rotatably connected with round bar, and the right end of round bar is fixedly connected with auxiliary gear, and the surface of round bar left and right ends is fixedly connected with driven gear, and the surface of driven gear is engaged with the surface of rack, and the top of support platform is provided with top driving structure.

[0006] Preferably, the top driving structure includes a support plate fixedly connected to the top of the support platform by a bolt, the support plate is located directly to the right of the support frame, the inner chamber of the support plate is rotatably connected with a support rod, the left end of the support rod is fixedly connected with a main gear, and the surface of the main gear is engaged with the surface of the auxiliary gear.

[0007] Preferably, the surface of the support rod is fixedly connected with a ratchet wheel, the top of the support plate is rotatably connected with a pressing plate, the rear end of the pressing plate is embedded in the surface of the ratchet wheel, the top of the support plate is fixedly connected with a spring plate, and the surface of the spring plate is pressed against the top of the pressing plate.

[0008] Preferably, transition rollers are rotatably connected between the support rods, the top of the support table is fixedly connected with two auxiliary supports by bolts, the surface of the round rod is rotatably connected with the inner cavities of the two auxiliary supports, and the top of the support table is provided with a rope collecting roller.

[0009] Preferably, a motor is fixedly connected to the top of the support table by bolts, the output shaft of the motor is fixedly connected with a transmission roller one through a flange, the left side of the rope collecting roller is fixedly connected with a transmission roller two through bolts, and the surfaces of the transmission roller one and the transmission roller two are drivingly connected with a belt.

[0010] Preferably, the surface of the rope collecting roller is fixedly connected with a fixed rope end, the top of the support table is fixedly connected with an auxiliary roller through bolts, and the auxiliary roller is located between the rope collecting roller and the transition roller.

[0011] The utility model discloses the beneficial effect is:

[0012] 1, the utility model discloses a motor is started and drives the rope collecting roller to carry out rotation, and then to the connecting rope and film with tension, simultaneously, the rotation support rod drives main gear and ratchet wheel to rotate, and then further through the transition roller to the connecting rope and increase tension, can reach when the film covers on the framework structure, can guarantee the stability and safety of whole structure's purpose;

[0013] 2, the utility model discloses the setting of auxiliary support can when the round rod rotates, the round rod is assisted and supported, can make driven gear when with rack engages, avoid the situation of misplacement;

[0014] 3, the utility model discloses the setting of auxiliary roller can when the transition roller to the connecting rope and soft film with the lifting force of going up, to the connecting rope and soft film with opposite downward pulling force, can further increase the tension that the connecting rope and soft film receive. DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the front view schematic drawing of one embodiment of the utility model;

[0017] Figure 2 It is the right view schematic drawing of one embodiment of the utility model;

[0018] Figure 3 It is the left view schematic drawing of one embodiment of the utility model;

[0019] Figure 4 It is the top dynamic structure schematic drawing of one embodiment of the utility model;

[0020] Figure 5 It is one embodiment of the utility modelFigure 2 Local enlarged view of point A.

[0021] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0022] 1, support table, 2, support limiting groove, 3, support rod, 4, rack, 5, support, 6, round rod, 7, pinion, 8, driven gear, 9, top driving structure, 91, support plate, 92, support rod, 93, main gear, 94, ratchet, 95, pressing plate, 96, spring plate, 97, rocker, 10, transition roller, 11, auxiliary support, 12, rope collecting roller, 13, motor, 14, transmission roller one, 15, transmission roller two, 16, fixed rope end, 17, auxiliary roller. DETAILED DESCRIPTION

[0023] Hereinafter, an embodiment of the skeleton type membrane structure pre-tensioning device will be described with reference to the accompanying drawings. EMBODIMENT

[0024] Figures 1-5 A skeleton type membrane structure pre-tensioning device according to an embodiment of the present application is shown, which comprises: a support table 1: the top of the support table 1 is fixedly connected with two support limiting grooves 2 through bolts, the inner cavities of the two support limiting grooves 2 are both slidingly connected with support rods 3, the front sides of the two support rods 3 are both fixedly connected with racks 4, the top of the support table 1 is fixedly connected with a support 5 through bolts, the inner cavity of the support 5 is rotatably connected with a round rod 6, the right end of the round rod 6 is fixedly connected with a pinion 7, the surfaces of the left and right ends of the round rod 6 are both fixedly connected with driven gears 8, the surface of the driven gear 8 is engaged with the surface of the rack 4, the top of the support table 1 is provided with a top driving structure 9, the top driving structure 9 comprises a support plate 91 fixedly connected to the top of the support table 1 through bolts, the support plate 91 is located right in front of the support 5, the inner cavity of the support plate 91 is rotatably connected with a support rod 92, the left end of the support rod 92 is fixedly connected with a main gear 93, the surface of the main gear 93 is engaged with the surface of the pinion 7, the surface of the support rod 92 is fixedly connected with a ratchet 94, the top of the support plate 91 is rotatably connected with a pressing plate 95, the rear end of the pressing plate 95 is embedded in the surface of the ratchet 94, the top of the support plate 91 is fixedly connected with a spring plate 96, the surface of the spring plate 96 is pressed on the top of the pressing plate 95, the two support rods 3 are rotatably connected with a transition roller 10, the top of the support table 1 is fixedly connected with two auxiliary supports 11 through bolts, the setting of the auxiliary supports 11 can assist in supporting the round rod 6 when the round rod 6 rotates, and can avoid misalignment of the driven gear 8 when it is engaged with the rack 4. EMBODIMENT

[0025] Figures 1-5The skeleton type membrane structure pre-tension device shown in an embodiment of the utility model, it includes: support platform 1: the top of support platform 1 is fixedly connected with two support limit grooves 2 through bolt, the inner chamber of two support limit grooves 2 is all slidingly connected with support rod 3, the front side of two support rod 3 is all fixedly connected with rack 4, the top of support platform 1 is fixedly connected with support 5 through bolt, the inner chamber of support 5 is rotatably connected with round bar 6, the right end of round bar 6 is fixedly connected with auxiliary gear 7, the surface of round bar 6 left and right two ends is all fixedly connected with driven gear 8, the surface of driven gear 8 is engaged with the surface of rack 4, the top of support platform 1 is provided with top driving structure 9, the surface of round bar 6 is rotatably connected with the inner chamber of two auxiliary supports 11, the top of support platform 1 is installed with rope collecting roller 12, the top of support platform 1 is fixedly connected with motor 13 through bolt, the output shaft of motor 13 is fixedly connected with transmission roller one 14 through flange, the left side of rope collecting roller 12 is fixedly connected with transmission roller two 15 through bolt, transmission belt is transmission connected between the surface of transmission roller one 14 and transmission roller two 15, the surface of rope collecting roller 12 is fixedly connected with fixed rope end 16, the top of support platform 1 is fixedly connected with auxiliary roller 17 through bolt, auxiliary roller 17 is located between rope collecting roller 12 and transition roller 10, through the setting of auxiliary roller 17, when transition roller 10 exerts the lifting force upward to connecting rope and soft film, opposite downward pulling force is exerted to connecting rope and soft film, the tension force that can further increase that connecting rope and soft film receive.

[0026] Working principle: when the utility model is used, the user passes through the connecting rope of film is tied in the surface of fixed rope end 16, then starts motor 13 and drives rope collecting roller 12 to rotate, and then the connecting rope and film are stretched, and tension is exerted to them, at the same time, rotating swing bar 97 drives support rod 92 to rotate, then drives main gear 93 and ratchet wheel 94 to rotate, then through main gear 93 drives auxiliary gear 7 to rotate, and drives round bar 6 and driven gear 8 to rotate, then under the action of rack 4, support rod 3 is driven to slide upward, then through transition roller 10, lifting force is exerted to connecting rope, and tension is increased, at the same time of rotating, the cooperation of pressing plate 95 and spring plate 96 can avoid the reverse rotation of main gear 93, then when main gear 93 drives auxiliary gear 7 to rotate, it can keep stable, then the load force that film receives is adjusted, when film covers on skeleton structure, the stability and safety of whole structure can be guaranteed.

[0027] In conclusion: the skeleton type membrane structure pre-tension device, through starting motor 13 and driving rope collecting roller 12 to rotate, and then tension is exerted to connecting rope and film, at the same time, rotating support rod 92 drives main gear 93 and ratchet wheel 94 to rotate, then through transition roller 10, lifting force is exerted to connecting rope, and tension is increased, when film covers on skeleton structure, the stability and safety of whole structure can be guaranteed.

Claims

1. A skeleton membrane structure pretensioning device, characterized in that, The utility model provides a support platform (1) is provided with two support limit grooves (2) on the top, and the inner chamber of two support limit grooves (2) is slidably connected with support rod (3), and the front side of two support rod (3) is fixedly connected with rack (4), and the top of support platform (1) is fixedly connected with support (5) through bolt, and the inner chamber of support (5) is rotatably connected with round bar (6), and the right end of round bar (6) is fixedly connected with auxiliary gear (7), and the surface of round bar (6) left and right two ends is fixedly connected with driven gear (8), and the surface of driven gear (8) is engaged with the surface of rack (4), and the top of support platform (1) is provided with top driving structure (9).

2. The skeletal membrane structure pretensioning device of claim 1, wherein, The top driving structure (9) includes a support plate (91) fixedly connected to the top of the support platform (1) by bolts, the support plate (91) is located directly to the right of the support (5), the inner chamber of the support plate (91) is rotatably connected with a support rod (92), the left end of the support rod (92) is fixedly connected with a main gear (93), the surface of the main gear (93) is engaged with the surface of the auxiliary gear (7).

3. The skeletal membrane structure pretensioning device of claim 2, wherein, The surface of the support rod (92) is fixedly connected with a ratchet wheel (94), the top of the support plate (91) is rotatably connected with a pressing plate (95), the rear end of the pressing plate (95) is embedded in the surface of the ratchet wheel (94), the top of the support plate (91) is fixedly connected with a spring plate (96), and the surface of the spring plate (96) is pressed on the top of the pressing plate (95).

4. The skeletal membrane structure pretensioning device of claim 3, wherein, Two support rods (3) are rotatably connected with a transition roller (10), the top of the support platform (1) is fixedly connected with two auxiliary supports (11) by bolts, the surface of the round bar (6) is rotatably connected with the inner chamber of the two auxiliary supports (11), and the top of the support platform (1) is provided with a rope collecting roller (12).

5. The skeletal membrane structure pretensioning device of claim 4, wherein, The top of the support platform (1) is fixedly connected with a motor (13) by bolts, the output shaft of the motor (13) is fixedly connected with a transmission roller one (14) through a flange, the left side of the rope collecting roller (12) is fixedly connected with a transmission roller two (15) by bolts, and the surface between the transmission roller one (14) and the transmission roller two (15) is drivingly connected with a belt.

6. The skeletal membrane structure pretensioning device of claim 5, wherein, The surface of the rope collecting roller (12) is fixedly connected with a fixed rope end (16), the top of the support platform (1) is fixedly connected with an auxiliary roller (17) by bolts, and the auxiliary roller (17) is located between the rope collecting roller (12) and the transition roller (10).