CN211206069U

CN211206069U - Membrane cloth tension test machine

Info

Publication number: CN211206069U
Application number: CN201921837361.6U
Authority: CN
Inventors: 张委
Original assignee: Ningbo Marriott Space Structure Engineering Co ltd
Current assignee: Ningbo Marriott Space Structure Engineering Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-07
Anticipated expiration: 2029-10-29

Abstract

The utility model provides a membrane cloth tensile test machine belongs to membrane cloth test equipment technical field, include: the frame comprises a positioning frame and a fixing seat, the positioning frame and the fixing seat are respectively positioned at the upper end and the lower end of the frame, the positioning frame is used for installing membrane cloth to be tested, the force measuring unit is positioned on the side face of the frame and connected with the fixing seat, and two ends of the inhaul cable unit are respectively connected with the force measuring unit and the edge of the membrane cloth to be tested; the utility model has the advantages that: the film cloth can be subjected to tension test, so that the quality of the film cloth is ensured.

Description

Membrane cloth tension test machine

Technical Field

The utility model belongs to the technical field of membrane cloth test equipment, a membrane cloth tensile test machine is related to.

Background

The membrane structure is a novel building structure, generally is applied to on the building structure, for example stretch-draw membrane, net membrane, membrane structure such as inflatable membrane, it can play pleasing to the eye, keep off rain, sunshade etc. effect to for traditional roof structure, the membrane body structure quality is light, and intensity is high, and the security is high, and anti-seismic performance is good, and in fact whole membrane is spliced together through the polylith membrane body, then, these membrane bodies need be fixed on bearing structure.

For a membrane structure, the strength of a membrane body is very important, once the strength of the membrane body is not enough, the building quality and the service life are seriously influenced, and even the structural safety is endangered, and in the existing membrane structure field, equipment for performing a tensile test on the membrane body is lacked, the influence of the prestress in the membrane body construction process on the shrinkage rate cannot be quantitatively measured, so that a certain improvement space exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a membrane cloth tension test machine.

The purpose of the utility model can be realized by the following technical proposal: a film tensile tester, comprising: the frame is including locating frame and fixing base, the locating frame and the fixing base is located respectively the upper end and the lower extreme of frame, the locating frame is used for installing the examination membrane cloth that awaits measuring, the dynamometry unit is located the side of frame and with the fixing base is connected, the both ends of cable unit respectively with the dynamometry unit and the marginal connection of the examination membrane cloth that awaits measuring.

Preferably, the positioning frame is of a rectangular frame structure, and the positioning frame is provided with two clamping seats, and the two clamping seats are used for fixing two adjacent sides of the membrane cloth to be tested.

Preferably, the force measuring unit comprises a warp force measuring assembly and a weft force measuring assembly, and the warp force measuring assembly and the weft force measuring assembly are respectively arranged on two adjacent side surfaces of the rack.

The preferred, the cable unit includes a plurality of first cables and a plurality of second cable, first cable and the second cable is connected to the side with the longitude and latitude of membrane cloth respectively, warp direction dynamometry subassembly includes a plurality of first spring scales, latitudinal direction dynamometry subassembly includes second spring scale, the both ends of first spring scale respectively with the fixing base and first cable is connected, and first spring scale passes through warp direction pulling force is applyed to the membrane cloth to first cable, the both ends of second spring scale respectively with the fixing base and the second cable is connected, and second spring scale passes through the latitudinal direction pulling force is applyed to the membrane cloth to the second cable.

Preferably, the end part of the first inhaul cable and the end part of the second inhaul cable are both provided with clamps, and the clamps are used for clamping the edge of the membrane cloth.

Preferably, a plurality of guide rollers are arranged on the positioning frame, and the first stay cable and the second stay cable are connected with the guide rollers in an abutting mode.

Preferably, the clamping seat is a long-strip tubular structure with a C-shaped cross section, and the embedded rope or the rubber bar at the side edge of the membrane cloth can be embedded in the clamping seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the film cloth can be subjected to tension test, so that the quality of the film cloth is ensured.

2. First spring balance holds the membrane cloth through first cable with certain pulling force to carry out warp direction tensile test, and second spring balance holds the membrane cloth through the second cable with certain pulling force, thereby carries out latitudinal direction tensile test, thereby the equitable carries out the omnidirectional test to the membrane cloth.

Drawings

Fig. 1 is the structure schematic diagram of the film cloth tension testing machine of the utility model.

Fig. 2 is a front view of the film cloth tension testing machine of the present invention.

Fig. 3 is a top view of the film cloth tension testing machine of the present invention.

In the figure, 100, a rack; 110. a positioning frame; 120. a fixed seat; 130. a clamping seat; 140. a guide roller; 210. a first spring scale; 220. a second spring scale; 310. a first cable; 320. a second cable; 330. a clamp; 400. and (5) film cloth.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, a film cloth tensile force testing machine includes: the film cloth 400 tension testing machine comprises a machine frame 100, a force measuring unit and a guy cable unit, wherein the film cloth 400 tension testing machine can preferably perform tension testing on the film cloth 400, the machine frame 100 is of a box-shaped frame structure, the force measuring unit can measure tension, and the guy cable unit is a component for connecting the force measuring unit and the film cloth 400 together.

Frame 100 is for including locating frame 110 and fixing base 120, locating frame 110 and fixing base 120 are located respectively the upper end and the lower extreme of frame 100, and locating frame 110 is the planar frame structure that four body of rod constitute, and fixing base 120 can be the strip plate body for play the fixed action.

The positioning frame 110 is used for mounting a membrane cloth 400 to be tested, one part of the membrane cloth 400 is fixed on the positioning frame 110, the force measuring unit is positioned on the side surface of the rack 100 and connected with the fixed seat 120, and the force measuring unit is positioned between the positioning frame 110 and the fixed seat 120 and just positioned on the side surface of the rack 100; and two ends of the guy cable unit are respectively connected with the force measuring unit and the edge of the membrane cloth 400 to be tested.

Preferably, the membrane cloth 400 is actually spread in the positioning frame 110, the side edges of the membrane cloth 400 are connected with the guy cable units, the lower ends of the force measuring units are fixed on the fixing seats 120, the upper ends of the force measuring units are connected with the guy cable units, and different tensile forces can be provided to test the membrane cloth 400 by adjusting the force measuring units, so that the quality of the membrane cloth 400 is ensured.

As shown in fig. 1, fig. 2 and fig. 3, on the basis of the above embodiment, the positioning frame 110 is a rectangular frame structure, and two clamping seats 130 are arranged on the positioning frame 110, and the two clamping seats 130 are used for fixing two adjacent sides of the membrane cloth 400 to be tested.

Preferably, the positioning frame 110 is horizontally disposed, which is actually the upper end portion of the frame body, the film cloth 400 to be tested may have a rectangular structure, two adjacent sides of the film cloth 400 are fixed on the two clamping seats 130, so that the film cloth 400 is partially fixed in the positioning frame 110, and thus, the tension test may be performed by pulling the unfixed side of the film cloth 400.

As shown in fig. 1, 2, and 3, based on the above embodiment, the force measuring unit includes a warp force measuring assembly and a weft force measuring assembly, and the warp force measuring assembly and the weft force measuring assembly are respectively disposed on two adjacent sides of the frame 100.

Preferably, membrane cloth 400 both need bear the pulling force of warp-wise at the during operation, need bear the pulling force of latitudinal direction again, so when the test, also need be to its warp-wise tensile test, also need carry out latitudinal direction tensile test to it, because membrane cloth 400's adjacent both sides limit is fixed, its two adjacent sides that do not fix, just so can be very convenient exert warp-wise pulling force and latitudinal direction pulling force to two adjacent sides.

Preferably, the warp-direction force measuring assemblies and the weft-direction force measuring assemblies have the same structure, only the set positions are different, the applied tension directions are different, the other structures are the same, and the warp-direction force measuring assemblies and the weft-direction force measuring assemblies are actually respectively positioned on the two adjacent side surfaces of the frame 100, so that the tension can be conveniently applied to the two side edges of the membrane cloth 400.

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the cable unit includes a plurality of first cables 310 and a plurality of second cables 320, the first cables 310 and the second cables 320 are respectively connected to the longitudinal and latitudinal sides of the membrane cloth 400, the longitudinal force measuring assembly includes a plurality of first spring scales 210, the latitudinal force measuring assembly includes a second spring scale 220, two ends of the first spring scale 210 are respectively connected to the fixing base 120 and the first cables 310, the first spring scale 210 applies a longitudinal tensile force to the membrane cloth 400 through the first cables 310, two ends of the second spring scale 220 are respectively connected to the fixing base 120 and the second cables 320, and the second spring scale 220 applies a latitudinal tensile force to the membrane cloth 400 through the second cables 320.

Preferably, the first cable 310 and the second cable 320 have the same structure and are only arranged at different positions, and the first spring balance 210 and the second spring balance 220 have the same structure, wherein the first cable 310 and the first spring balance 210 are arranged in the same number and in one-to-one correspondence, the upper end of the first cable 310 is connected with one side of the membrane cloth 400, the lower end of the first cable 310 is connected with the first spring balance 210, the upper end of the second cable 320 is connected with the other side of the membrane cloth 400, and the lower end of the second cable is connected with the second spring balance 220, the first spring balance 210 pulls the membrane cloth 400 with a certain pulling force through the first cable 310, so as to perform a test of a warp-wise pulling force, and the second spring balance 220 pulls the membrane cloth 400 with a certain pulling force through the second cable 320, so as to perform a test of a weft-wise pulling force, so as to reasonably perform an omnidirectional test on the membrane cloth 400.

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the end of the first cable 310 and the end of the second cable 320 are provided with a clamp 330, and the clamp 330 is used for clamping the edge of the membrane cloth 400.

Preferably, the first cable 310 and the second cable 320 have the same structure, and the end portions are provided with the clamp 330, and the cross section of the clamp 330 is C-shaped, so that the side edge of the film cloth 400 can be embedded into the clamp 330, and the firmness between the film cloth 400 and the cables is ensured.

As shown in fig. 1, 2 and 3, on the basis of the above embodiments, the positioning frame 110 is provided with a plurality of guide rollers 140, and the first cable 310 and the second cable 320 are connected to the guide rollers 140 in an abutting manner.

Preferably, the positioning frame 110 is provided with a guide roller 140 for guiding the cable, the upper ends of the first cable 310 and the second cable 320 are horizontally arranged, the lower ends are vertically arranged, the turning point is located at the guide roller 140, so that the cable and the positioning frame 110 are prevented from being directly worn, the cable is well guided to be bent, and when the spring scale pulls the cable downwards, the cable moves on the guide roller 140, so that the cable moves downwards.

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the clamping seat 130 has a long tubular structure with a C-shaped cross section, and the embedded rope or the glue stick at the side of the membrane cloth 400 can be embedded in the clamping seat 130.

Preferably, the cross section of the clamping seat 130 is C-shaped, so that the string edge of the film cloth 400 can be clamped, so that the film cloth 400 is fixed with the positioning frame 110, and the tensile test is facilitated.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A membrane cloth tensile test machine is characterized by comprising: the frame is including locating frame and fixing base, the locating frame and the fixing base is located respectively the upper end and the lower extreme of frame, the locating frame is used for installing the examination membrane cloth that awaits measuring, the dynamometry unit is located the side of frame and with the fixing base is connected, the both ends of cable unit respectively with the dynamometry unit and the marginal connection of the examination membrane cloth that awaits measuring.

2. The film cloth tension testing machine of claim 1, wherein: the positioning frame is of a rectangular frame structure, two clamping seats are arranged on the positioning frame, and the two clamping seats are used for fixing two adjacent sides of the membrane cloth to be tested.

3. The film cloth tension testing machine of claim 2, wherein: the force measuring unit comprises a warp force measuring assembly and a weft force measuring assembly, and the warp force measuring assembly and the weft force measuring assembly are respectively arranged on two adjacent side surfaces of the rack.

4. The film cloth tension testing machine of claim 3, wherein: the cable unit includes a plurality of first cables and a plurality of second cable, first cable and the second cable is connected to the side with the longitude and latitude of membrane cloth respectively, warp direction dynamometry subassembly includes a plurality of first spring scales, latitudinal direction dynamometry subassembly includes second spring scale, the both ends of first spring scale respectively with the fixing base and first cable is connected, and first spring scale passes through warp direction pulling force is applyed to the membrane cloth to first cable, the both ends of second spring scale respectively with the fixing base and the second cable is connected, and second spring scale passes through the latitudinal direction pulling force is applyed to the membrane cloth to the second cable.

5. The film cloth tension testing machine of claim 4, wherein: the end of the first inhaul cable and the end of the second inhaul cable are provided with clamps, and the clamps are used for clamping the edges of the membrane cloth.

6. The film cloth tension testing machine of claim 5, wherein: the positioning frame is provided with a plurality of guide rollers, and the first stay cable and the second stay cable are connected with the guide rollers in an abutting mode.

7. The film cloth tension testing machine of claim 2, wherein: the clamping seat is a long-strip tubular structure with a C-shaped cross section, and the buried rope or the rubber bar at the side edge of the membrane cloth can be embedded in the clamping seat.