CN114577617A

CN114577617A - Elongation testing device for detecting waterproof coiled material

Info

Publication number: CN114577617A
Application number: CN202210202812.9A
Authority: CN
Inventors: 张春元; 刘凤宇; 高杰
Original assignee: Anhui Yuanhuang Building Materials Technology Co ltd
Current assignee: Anhui Yuanhuang Building Materials Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-06-03

Abstract

The invention relates to the technical field of waterproof coiled material detection, and discloses an elongation testing device for waterproof coiled material detection. This elongation testing arrangement that waterproofing membrane detected usefulness during the use, through setting up two assembly shells and air outlet channel, high-pressure gas pitcher and heating mechanism are to its input refrigerant and high temperature air, carry out the test in low temperature and the high temperature environment to the coiled material, screw drive assembly shell motion, the interval adjustment of assembling the shell is carried out according to waterproofing membrane thickness, waterproofing membrane service environment has been avoided complicacy, including low temperature, room temperature and high temperature environment, traditional tensile testing arrangement can't change ambient temperature according to the test needs under the room temperature condition, thereby the problem that the test accuracy is low has been led to.

Description

Elongation testing device for detecting waterproof coiled material

Technical Field

The invention relates to the technical field of waterproof coiled material detection, in particular to an elongation testing device for waterproof coiled material detection.

Background

The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product which can resist external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a first barrier for waterproofing of the whole engineering, plays a vital role in the whole engineering, and is required to bear certain load and stress or have the performance of not breaking under certain deformation conditions, and is expressed by common indexes such as tensile force, tensile strength, breaking elongation and the like. In order to obtain specific indexes such as tensile force, tensile strength and elongation at break, a tensile testing device is used for testing the coiled material sheet.

The existing tension test device, such as Chinese patent No. CN202121089192.X, a tension test device for waterproof coiled material, the structure of the device comprises a base and a bracket, wherein a tension table is arranged above the base, a tension receptor is arranged above the tension table, a first fixing clamp is connected above the tension sensor through a first connecting chain, fixing frames are arranged on the base at two sides of the tension table, the fixed frame is rotationally connected with the bracket and is fixed with the bracket through a plurality of first bolts, a separated moving beam is arranged between the upright post positions, a second fixing clamp is connected below the moving beam through a second connecting chain, the first fixing clamp and the second fixing clamp have the same structure, the upright post is provided with a switch and a support rod, a first fixed pulley is fixed on one side of the tension sensor above the tension table through a first fixed rod, and a second fixed pulley is fixed on one side of the first fixed rod, which is positioned on the base, through a second fixed rod. The patent realizes that the force applied to each stage of the waterproof roll material after being subjected to the tension can be accurately measured through the tension sensor, and the stress of the tested waterproof roll in each direction in the test can be more uniform through the enlarged fixing clamp, the test result is more accurate, the device can change longitudinal stretching into transverse stretching through the matching of the bolt and the supporting frame, and tests under additional conditions are carried out during the transverse stretching, the testing process is diversified, but the service environment of the waterproof roll is complex, including low temperature, room temperature and high temperature environment, the traditional tension testing device can not change the environmental temperature according to the testing requirement under the room temperature condition, the function is single, therefore, the elongation testing device for detecting the waterproof roll cannot meet the working requirement of elongation testing of the waterproof roll, and the problem of low testing accuracy is solved.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an elongation testing device for detecting a waterproof coiled material, which solves the technical problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an elongation testing device for detecting a waterproof coiled material comprises an installation shell, wherein an electric winding drum is arranged on the upper portion of an inner cavity of the installation shell, two assembly shells are symmetrically arranged in the middle of the inner cavity of the installation shell, five groups of air outlet channels are arranged on two opposite side surfaces of the two assembly shells at equal intervals, two installation blocks are symmetrically welded on the upper portions of the left side wall and the right side wall of the assembly shell, supporting rods penetrate through the middle portions of the two corresponding installation blocks and are slidably installed, two ends of each supporting rod are welded with the inner wall of the installation shell, two lead screws are symmetrically and movably installed on the upper portion of the front side wall of the installation shell through bearings, one ends of the lead screws extend into the inner cavity of the installation shell, the middle portions of the lead screws are in threaded connection with the two corresponding installation blocks, a high-pressure air tank and a heating mechanism are respectively welded on the lower portions of the left side wall and the right side wall of the installation shell, an air outlet port of the high-pressure air tank and an air outlet port of the heating mechanism are both communicated with the inner cavities of the two assembly shells, the bottom surface welding of installation shell has the electron tensiometer, the atress end terminal surface of electron tensiometer is provided with fixture.

Preferably, the surface of bracing piece is located between two installation pieces that correspond slidable mounting have two connecting blocks, control two that the level aligns the surface of connecting block has same movable roller through bearing movable mounting, the bottom surface welding of connecting block has the indicator beam, is located two with one side slidable mounting is run through to the lower part of indicator beam has the alignment chi, the both ends of alignment chi all with the inner wall fixed connection of installation shell.

Preferably, the outer surface symmetry activity cover of bracing piece is equipped with two compression spring, compression spring's both ends respectively with the outer wall fixed connection of the outer wall of connecting block and the outer wall of adjacent installation piece, the cross-section of bracing piece is square.

Preferably, the side wall of the contrast ruler is provided with a group of scale values, the scale values arranged in the middle of the side wall of the contrast ruler are zero, and the scale values are sequentially increased from the middle of the side wall of the contrast ruler to the front part and the rear part of the side wall of the contrast ruler.

Preferably, heating mechanism includes the connection shell, the welding of the inner chamber left side equidistance of connection shell has three heater strip, the inner chamber right side spiro union of connection shell has the air-blower, two inlet channel have been seted up to the right side wall symmetry of connection shell.

Preferably, the inner chamber lower part symmetrical welding of installation shell has two shunt tubes, bilateral symmetry is provided with two hoses around the surface of shunt tube, the inner chamber of hose and the sealed intercommunication of the inner chamber of shunt tube, the other end of hose and the inner chamber intercommunication of the assembly shell that corresponds, the inlet end of shunt tube is provided with one-way admission valve, two the inlet end port of shunt tube communicates with the port of giving vent to anger of high pressure gas pitcher and the port of giving vent to anger of heating mechanism respectively seals up.

Preferably, fixture includes the bottom plate, the bottom surface of bottom plate and the stress end face weld of electron tensiometer, the bilateral symmetry is provided with two pneumatic cylinders around the upper surface of bottom plate, the output shaft end face weld of pneumatic cylinder has splint, two the opposite face difference equidistance of splint is provided with a set of tooth, and is two sets of the tooth is crisscross relative.

(III) advantageous effects

Compared with the prior art, the invention provides an elongation testing device for detecting a waterproof coiled material, which has the following beneficial effects:

1. this waterproofing membrane detects elongation testing arrangement of usefulness, through setting up two assembly shells and outlet channel, can input refrigerant and high temperature air to it through high-pressure gas pitcher and heating mechanism, thereby carry out the elongation test in low temperature and the high temperature environment to waterproofing membrane, simultaneously through two assembly shell movements of screw drive, and then carry out two interval between the assembly shell according to waterproofing membrane's thickness and adjust, waterproofing membrane's service environment is complicated, including low temperature, room temperature and high temperature environment, traditional pulling force testing arrangement can't change ambient temperature as required according to the test under the room temperature condition, and is single in function, thereby the problem that the test accuracy is low has been leaded to.

2. This elongation testing arrangement that waterproofing membrane detected usefulness, thickness attenuation takes place the motion along with waterproofing membrane when tensile under compression spring's the elastic force effect through setting up two movable rollers, thereby drive the pointer motion that corresponds, and then can calculate the thickness variation value when waterproofing membrane extends to the limit according to the scale interval when two pointer stop motions on the contrast ruler, waterproof membrane has been avoided having existed by tensile condition in the work progress, its thickness can change after the coiled material is extended, its inner structure is destroyed the condition that can take place to leak when thickness is thinner, traditional tensile testing arrangement can't carry out the detection of thickness change to it when tensile, thereby the problem that the practicality is low has been leaded to.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top sectional view of the assembly housing, mounting block, lead screw, connecting block and movable roller of the present invention;

FIG. 3 is a schematic sectional top view of the high pressure gas tank, heating mechanism, bypass pipe, hose and fitting housing of the present invention;

FIG. 4 is a schematic top view of the clamping mechanism of the present invention;

FIG. 5 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 6 is a side cross-sectional structural view of the indicator stem, the control ruler, the connecting block and the mounting block of the present invention.

In the figure: 1. mounting a shell; 2. an electric winding drum; 3. assembling the shell; 4. an air outlet channel; 5. mounting a block; 6. a support bar; 7. a screw rod; 8. a high pressure gas tank; 9. a heating mechanism; 10. an electronic tension meter; 11. a clamping mechanism; 12. connecting blocks; 13. a movable roller; 14. an indication lever; 15. and (4) contrasting the ruler.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The invention provides a technical scheme, in particular to an elongation testing device for detecting a waterproof coiled material, which comprises an installation shell 1, an electric winding drum 2, an assembly shell 3, an air outlet channel 4, installation blocks 5, a support rod 6, a screw rod 7, a high-pressure air tank 8, a heating mechanism 9, an electronic tension meter 10, a clamping mechanism 11, connecting blocks 12, a movable roller 13, an indication rod 14 and a comparison ruler 15, referring to figure 1, the electric winding drum 2 is arranged at the upper part of an inner cavity of the installation shell 1, referring to figure 2, two assembly shells 3 are symmetrically arranged at the middle part of the inner cavity of the installation shell 1, five groups of air outlet channels 4 are arranged at equal intervals on two opposite side surfaces of the two assembly shells 3, two installation blocks 5 are symmetrically welded at the upper parts of the left side wall and the right side wall of the assembly shell 3, the support rod 6 is arranged at the middle parts of the two corresponding installation blocks 5 in a penetrating and sliding mode, two connecting blocks 12 are arranged on the outer surface of the support rod 6 between the two corresponding installation blocks 5 in a sliding mode, the outer surfaces of two connecting blocks 12 which are horizontally aligned at the left and right are movably provided with the same movable roller 13 through a bearing, please refer to fig. 5 and 6, the bottom surface of the connecting block 12 is welded with an indicating rod 14, the lower parts of the two indicating rods 14 which are positioned at the same side are penetrated and slidably provided with a contrast ruler 15, both ends of the contrast ruler 15 are fixedly connected with the inner wall of the mounting shell 1, the side wall of the contrast ruler 15 is provided with a group of scale values, the scale value arranged in the middle of the side wall of the contrast ruler 15 is zero, the scale value is sequentially increased from the middle of the side wall of the contrast ruler 15 to the front part and the rear part of the side wall of the contrast ruler 15, the outer surface of the supporting rod 6 is symmetrically and movably sleeved with two compression springs, both ends of the compression springs are respectively fixedly connected with the outer wall of the connecting block 12 and the outer wall of the adjacent mounting block 5, the two movable rollers 13 move under the elastic force of the compression springs under the condition that the thickness is reduced when the waterproof coiled material is stretched, the movable roller 13 drives the corresponding connecting block 12 to move the connecting block 12 to drive the indicating rods 14 to move, the two indicating rods 14 slide on the contrast ruler 15, the thickness change value of the waterproof coiled material when the waterproof coiled material extends to the limit can be calculated according to the scale value when the two indicating rods 14 on the contrast ruler 15 stop moving, the situation that the waterproof coiled material is stretched in the construction process is avoided, the thickness of the waterproof coiled material changes after the coiled material is stretched, the internal structure of the waterproof coiled material is damaged when the thickness of the waterproof coiled material is thin, the traditional tension testing device has a single function, the thickness change cannot be detected when the waterproof coiled material is stretched, and therefore the problem of low practicability is solved, the cross section of the supporting rod 6 is square, two ends of the supporting rod 6 are welded with the inner wall of the mounting shell 1, two screw rods 7 are symmetrically and movably mounted on the upper portion of the front side wall of the mounting shell 1 through bearings, one end of each screw rod 7 extends into the inner cavity of the mounting shell 1, the middle part of the screw rod 7 is connected with two corresponding mounting blocks 5 by screw threads, please refer to fig. 3, the lower parts of the left and right side walls of the mounting shell 1 are respectively welded with a high-pressure gas tank 8 and a heating mechanism 9, the gas outlet port of the high-pressure gas tank 8 and the gas outlet port of the heating mechanism 9 are both communicated with the inner cavities of the two assembling shells 3, the heating mechanism 9 comprises a connecting shell, the left side of the inner cavity of the connecting shell is equidistantly welded with three heating wires, the right side of the inner cavity of the connecting shell is screwed with a blower, the right side wall of the connecting shell is symmetrically provided with two gas inlet channels, the lower part of the inner cavity of the mounting shell 1 is symmetrically welded with two shunt tubes, the front and back sides of the outer surface of the shunt tubes are symmetrically provided with two hoses, the inner cavities of the hoses are hermetically communicated with the inner cavities of the shunt tubes, the other ends of the hoses are communicated with the corresponding inner cavities of the assembling shells 3, the gas inlet ends of the shunt tubes are provided with one-way gas inlet valves, the gas inlet end ports of the two shunt tubes are respectively hermetically communicated with the gas outlet port of the high-pressure gas tank 8 and the gas outlet port of the heating mechanism 9, the welding of the bottom surface of installation shell 1 has electron tensiometer 10, please refer to fig. 4, and the stress end terminal surface of electron tensiometer 10 is provided with fixture 11, and fixture 11 includes the bottom plate, and the bottom surface of bottom plate and the stress end terminal surface welding of electron tensiometer 10, and bilateral symmetry is provided with two pneumatic cylinders around the upper surface of bottom plate, and the output shaft terminal surface welding of pneumatic cylinder has splint, and the opposite face of two splint equidistance is provided with a set of tooth respectively, and two sets of tooth are crisscross relative.

Example two

The difference of this embodiment lies in, both sides symmetry is provided with two cylinders around the upper surface of bottom plate, and the output shaft terminal surface welding of cylinder has the splint.

The working principle of the device is as follows: firstly, one end of a waterproof coiled material to be tested is wound on the outer surface of an electric winding drum 2, the other end of the waterproof coiled material enters a clamping position through a clamping mechanism 11, the electric winding drum 2 is started to rotate at a constant speed to stretch the waterproof coiled material, the numerical value of the force applied to the waterproof coiled material during stretching can be displayed under the action of an electronic tensiometer 10, the elongation rate is calculated according to the numerical value and the length difference of the stretched waterproof coiled material, meanwhile, a refrigerant is input into the inner cavity of an assembly shell 3 through a high-pressure gas tank 8 through a shunt pipe and a hose, then the refrigerant is sprayed to the surface of the waterproof coiled material through an air outlet channel 4 to cool the waterproof coiled material, the low-temperature elongation rate test can be carried out, high-temperature air is input into the inner cavity of the assembly shell 3 through the shunt pipe and the hose through a heating mechanism 9, and then the high-temperature air is sprayed to the surface of the waterproof coiled material through the air outlet channel 4 to heat the waterproof coiled material, the high-temperature elongation test can be carried out, the two assembling shells 3 can be driven to move by rotating the lead screw 7, further, the distance between the two assembling shells 3 can be adjusted according to the thickness of the waterproof coiled material, meanwhile, the two movable rollers 13 are contacted with the outer surface of the waterproof coiled material under the action of the compression spring, after the waterproof coiled material is stretched to the limit and is broken, the electric winding drum 2 is controlled to slowly rotate to drive the broken part of the waterproof coiled material to pass between the two movable rollers 13, the two movable rollers 13 move along with the thinning of the thickness of the waterproof coiled material when the waterproof coiled material is stretched under the action of the elastic force of the compression spring, the movable rollers 13 drive the corresponding connecting blocks 12 to move the connecting blocks 12 to drive the indicating rods 14 to move, the two indicating rods 14 slide on the comparison ruler 15, the thickness change value of the waterproof coiled material when the waterproof coiled material is stretched to the limit can be calculated according to the scale value when the two indicating rods 14 on the comparison ruler 15 stop moving, avoided waterproofing membrane to exist by tensile condition in the work progress, its thickness can change after the coiled material is extended, and its inner structure is destroyed the condition that can take place to leak when thickness is thinner, traditional tensile testing arrangement function singleness, can't carry out thickness variation's detection to it when tensile to the problem that the practicality is low has been leaded to.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elongation testing arrangement that waterproofing membrane detected usefulness, includes installation shell (1), its characterized in that: inner chamber upper portion of installation shell (1) is provided with electronic receipts reel (2), the inner chamber middle part symmetry of installation shell (1) is provided with two assembly shell (3), two the impartial distance in two relative sides of assembly shell (3) has seted up five air outlet channel (4) of group, the left and right sides wall upper portion symmetrical welding of assembly shell (3) has two installation piece (5), corresponding two the middle part of installation piece (5) runs through slidable mounting has bracing piece (6), the both ends of bracing piece (6) all with the inner wall welding of installation shell (1), there are two lead screws (7) on the preceding lateral wall upper portion of installation shell (1) through bearing symmetry movable mounting, the one end of lead screw (7) extends to in the inner chamber of installation shell (1), the middle part of lead screw (7) and two installation piece (5) threaded connection that correspond, the left and right sides wall lower part of installation shell (1) has welded high-pressure gas pitcher (8) and heating mechanism respectively, (8) and heating mechanism: (1) 9) The high-pressure gas tank (8) and the heating mechanism (9) are communicated with the inner cavities of the two assembling shells (3), the electronic tension meter (10) is welded on the bottom surface of the assembling shell (1), and the clamping mechanism (11) is arranged on the end face of the stress end of the electronic tension meter (10).

2. The elongation testing device for detecting the waterproof roll material according to claim 1, wherein: the utility model discloses a two-purpose roller bearing, including bracing piece (6), installation piece (5), bearing movable mounting has two connecting blocks (12) to be located between two corresponding installation pieces (5) of surface of bracing piece (6), controls two that the level aligns the surface of connecting block (12) has same movable roller (13) through bearing movable mounting, the bottom surface welding of connecting block (12) has indicator lever (14), lies in two with one side the lower part of indicator lever (14) runs through slidable mounting and has alignment chi (15), the both ends of alignment chi (15) all with the inner wall fixed connection of installation shell (1).

3. The elongation testing device for detecting the waterproof roll material according to claim 1, wherein: the outer surface symmetry activity cover of bracing piece (6) is equipped with two compression spring, compression spring's both ends respectively with the outer wall of connecting block (12) and the outer wall fixed connection of adjacent installation piece (5), the cross-section of bracing piece (6) is square.

4. The elongation testing device for detecting the waterproof roll material according to claim 2, wherein: the side wall of the contrast ruler (15) is provided with a group of scale values, the scale values arranged in the middle of the side wall of the contrast ruler (15) are zero, and the scale values are sequentially increased from the middle of the side wall of the contrast ruler (15) to the front portion and the rear portion of the side wall of the contrast ruler (15).

5. The elongation testing device for detecting the waterproof roll material according to claim 1, wherein: heating mechanism (9) are including connecting the shell, the welding of the inner chamber left side equidistance of connecting the shell has three heater strip, the inner chamber right side spiro union of connecting the shell has the air-blower, two inlet channel have been seted up to the right side wall symmetry of connecting the shell.

6. The elongation testing device for detecting the waterproof roll material according to claim 1, wherein: the inner chamber lower part symmetrical welding of installation shell (1) has two shunt tubes, bilateral symmetry is provided with two hoses around the surface of shunt tube, the inner chamber of hose and the sealed intercommunication of the inner chamber of shunt tube, the other end of hose and the inner chamber intercommunication of the assembly shell (3) that corresponds, the inlet end of shunt tube is provided with one-way admission valve, two the inlet end port of shunt tube communicates with the sealed intercommunication of the port of giving vent to anger of high-pressure gas pitcher (8) and the port of giving vent to anger of heating mechanism (9) respectively.

7. The elongation testing device for detecting the waterproof roll material according to claim 1, wherein: fixture (11) includes the bottom plate, the bottom surface of bottom plate and the stress end face welding of electron tensiometer (10), bilateral symmetry is provided with two pneumatic cylinders before the upper surface of bottom plate, the output shaft end face welding of pneumatic cylinder has splint, two the opposite face of splint equidistance respectively is provided with a set of tooth, and is two sets of the tooth is crisscross relative.