CN113533032A - Welding strength testing equipment and using method - Google Patents
Welding strength testing equipment and using method Download PDFInfo
- Publication number
- CN113533032A CN113533032A CN202110804291.XA CN202110804291A CN113533032A CN 113533032 A CN113533032 A CN 113533032A CN 202110804291 A CN202110804291 A CN 202110804291A CN 113533032 A CN113533032 A CN 113533032A
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- gasket
- fixing
- pressure
- connecting rod
- sliding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Abstract
The invention relates to the technical field of welding, in particular to welding strength testing equipment and a using method thereof, the equipment is used for testing the welding strength of a coiled material and a gasket, the gasket is fixed by a plurality of groups of fixing parts, the plurality of groups of fixing parts are respectively connected with corresponding sliding parts, the sliding parts are connected on a fixing frame in a sliding way, the using method of the equipment is that a driving structure drives a plurality of sliding parts to intermittently push towards the central position of the fixing frame so as to drive a plurality of groups of fixing parts to move, the gasket is fixed by matching with a bearing part and an abutting component which are arranged at one end of the fixing part, a pressure component arranged at the central position of the fixing frame penetrates through the central hole of the gasket to act on the coiled material, the pressure component applies pressure for separating a welding part between the coiled material and the gasket and simultaneously records the pressure change, and the coiled material is prevented from being fixed firstly when the gasket and the coiled material strength are tested in the prior art, the problem of alignment of the pressure member through the center of the gasket is required.
Description
Technical Field
The invention relates to the technical field of welding, in particular to welding strength testing equipment and a using method thereof.
Background
At present, PVC or TPO waterproof coiled material becomes the first choice of more and more outer wall covering materials because of its excellent waterproof performance, convenient construction and low-cost maintenance advantage, actually when carrying out waterproof coiled material's installation, need generally to bore the mounting hole that is used for erection equipment on the coiled material, these mounting holes need on the one hand carry out sealing process when using, on the other hand also have the problem of leaking that sealing performance descends and lead to when long-time.
In order to avoid above-mentioned condition, the operation personnel often through not having perforation welded mode, with waterproofing membrane and gasket welding together, thereby avoided offering the mounting hole on waterproofing membrane and influencing waterproof performance of waterproof material, need carry out the welding strength test to the welding part after the welding simultaneously, avoid the not up to standard installation problem that causes of welding strength.
When the joint strength test of current no perforation welding part of carrying on, the mode of adopting fixed coiled material usually, will weld the gasket position on it simultaneously and adjust well with test equipment, the axis direction that drives the metal along the gasket through the last pressure piece of test equipment is along breaking away from the coiled material direction and removing to record experiment pressure data, though above-mentioned test equipment can accomplish joint strength test, but the pressure piece needs adjust well the operation when the gasket centre bore central point puts, has improved test operation's the degree of difficulty.
Disclosure of Invention
The invention aims to provide welding strength testing equipment and a using method thereof, and solves the problem that in the prior art, when a gasket and a coiled material are tested for welding strength, the coiled material is fixed firstly, so that alignment operation is required when a pressure piece acts on the center position of a center hole of the gasket, and the testing operation difficulty is improved.
In order to achieve the above object, the present invention provides a welding strength testing apparatus: the equipment is used for testing the welding strength of coiled material and gasket, the welding has the weld part between gasket and the coiled material, the gasket is fixed by a plurality of groups of mountings, a plurality of groups the mounting is used in the gasket side, a plurality of groups the mounting is connected with the slider that corresponds respectively and is driven the motion by it, slider sliding connection is on the mount, and a plurality of sliders drive intermittent type by drive structure and put to the propulsion to mount central point, thereby drive the mounting removes and supports tight subassembly by the cooperation of the bearing portion that one end set up and fix the gasket, pressure components is installed at the mount center, pressure components passes the gasket centre bore and acts on the coiled material, and the pressure that is exerted separation weld part by pressure components records pressure change simultaneously.
As a further explanation of the inventive solution: the fixing piece comprises a clamping rod, the bearing part comprises a bearing plate, and the bearing plate is connected to the side, facing the gasket, of the bottom of the clamping rod;
as a further explanation of the inventive solution: the abutting assembly comprises an abutting plate, an elastic piece, a guide rod and a fixed plate, the elastic piece is a spring, one side of the abutting plate is abutted to the bearing plate, the other side of the abutting plate is elastically connected with the fixed plate arranged on the clamping rod through the spring, the abutting plate is arranged in a sliding hole formed in the fixed plate through the guide rod sliding connection arranged on one side of the connecting spring, when the abutting assembly is in abutting operation, the gasket supports the bottom of the abutting plate through the bearing plate, the upper portion of the abutting plate is abutted to the upper portion of the abutting plate, and the spring is in a compression state.
As a further explanation of the inventive solution: the mount includes mount pad and a plurality of gag lever posts of connection in the mount pad side, the mount pad is different from being provided with drive structure towards the gasket side, be equipped with on the gag lever post and supply the gliding sliding tray of slider.
The driving structure comprises a telescopic cylinder and a push rod which are arranged in a guide cavity and are in sliding fit with the guide cavity, the telescopic cylinder and the push rod are connected through a transmission connecting rod, the transmission connecting rod comprises a connecting rod I and a connecting rod II, the ends of the connecting rod I are hinged to the connecting rod II, the connecting rod I and the connecting rod II are respectively connected with the telescopic cylinder and the push rod, a pulley is arranged at the hinged position of the connecting rod I and the connecting rod II, the contact side of the guide cavity and the pulley is in a step shape, and the inflection point position of the step-shaped guide cavity is in arc transition.
As a further explanation of the inventive solution: the pressure assembly comprises a pressure applying cylinder and a pressure testing head, the pressure testing head is fixedly connected to the movable end of the pressure applying cylinder, the fixed end of the pressure applying cylinder is connected to the central position of the mounting seat, and the pressure testing head is detachably connected with the pressure applying cylinder;
after the gasket is fixed, the pressure testing head connected to the movable end of the pressure cylinder penetrates through the center position of the center hole of the gasket and acts on the coiled material through the extension of the pressure cylinder.
Meanwhile, the invention also provides a use method applied to the welding strength test equipment, which comprises the following steps:
the sliding parts are driven to intermittently slide towards the center of the fixing frame through the driving structure, so that the fixing parts correspondingly connected to the sliding parts are driven to move, the gasket is fixed by matching the supporting part arranged at one end of the fixing part and the abutting component, the pressure component arranged at the center of the fixing frame penetrates through the center of the center hole of the gasket and acts on the coiled material, and the pressure component applies pressure for separating the welding part and records pressure change.
The gasket is fixed at the central position of the fixing frame, the pressure assembly arranged at the central position of the fixing frame is used for strength test, the problem that the coiled material is fixed firstly when the coiled material is tested in the prior art, so that the pressure member needs to be aligned when acting on the central position of the central hole of the gasket, the difficulty of test operation is improved, meanwhile, the fixing assembly is intermittently close to the gasket in the fixing process, and an operator can adjust the position of the gasket through the gap of intermittent stop, so that the problem that the gasket is deviated in the regulation process is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a welding strength testing apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic view of the sliding of the pulley abutting against the inner wall of the guide cavity according to the embodiment of the present invention
Fig. 3 is a schematic diagram of the pulley of fig. 2 moving to the inflection point groove according to an embodiment of the present invention.
Fig. 4 is a schematic view of a sheave of fig. 3 sliding out of a corner groove according to an embodiment of the present invention.
Fig. 5 is an enlarged schematic view of a portion a of fig. 1.
Fig. 6 is a schematic structural view of the abutment assembly in fig. 1.
In the figure: 1. a fixed seat; 2. a connecting plate; 3. a drive structure; 31. a telescopic cylinder; 32. a push rod; 33. a guide cavity; 34. a connecting rod I; 35. a pulley; 36. a connecting rod II; 4. a transmission rod; 5. a mounting seat; 6. a limiting rod; 7. a sliding sleeve; 8. a clamping lever; 9. a reinforcing bar; 10. a pressure cylinder; 11. a propping component; 111. a propping plate; 112. a spring; 113. a guide bar; 114. a fixing plate; 12. a gasket; 13. a coil stock; 14. a pressure test head; 15. and (7) welding the parts.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, in an embodiment of the present invention, a welding strength testing apparatus: the welding has weld part 15 between gasket 12 and the coiled material 13, gasket 12 is fixed by a plurality of fixed parts of group, a plurality of groups the fixed part is used in gasket 12 side, a plurality of groups the fixed part is connected with the slider that corresponds respectively, slider sliding connection is on the mount, and a plurality of sliders drive intermittent type by drive structure 3 and advance to mount central point to drive the fixed part and progressively press from both sides tight gasket 12, the fixed part supports tight subassembly 11 by the cooperation of the bearing portion that one end set up and fixes gasket 12, pressure components is installed at the mount center, pressure components passes the 12 centre holes of gasket and acts on coiled material 13, and the pressure that is exerted separation weld part 15 by pressure components records pressure change simultaneously.
As shown in fig. 1, in the embodiment of the present invention, the testing device is connected to the installation device through a fixing base 1, and can be installed on installation devices of different specifications according to actual situations.
As shown in fig. 1, 5 and 6, in the embodiment of the present invention, the fixing member includes a clamping rod 8, the supporting portion includes a supporting plate, the supporting plate is connected to the bottom of the clamping rod 8 and is installed towards the gasket 12, and the supporting rod is connected to the clamping rod 8 by a pin, and when the connection mode of the supporting plate is actually selected, other connection modes, such as a threaded connection or a snap connection, etc., may also be selected, and the advantage of the preferred detachable connection of the present invention is that since the supporting rod acts between the coil 13 and the gasket 12, during the welding operation, because the area of the welding portion 15 and the distance near the edge of the gasket 12 are different, the specification of the supporting plate needs to be adjusted, and it is avoided that the size of the supporting plate is too large, so that when the operation of fixing the gasket 12 is performed, the side of the supporting plate abuts against the welding portion 15, so that the side of the gasket 12 cannot contact with the clamping rod 8 for fixing, meanwhile, a reinforcing rod 9 is connected between the sliding sleeve 7 and the clamping rod 8, so that the structural strength is improved;
meanwhile, as further explained in the above embodiment, the present invention further designs an abutting assembly to cooperate with the bearing plate to fix the gasket 12, wherein the abutting assembly 11 includes an abutting plate 111, a spring 112, a guide rod 113 and a fixing plate 114, wherein one side of the abutting plate 111 abuts against the bearing plate, the other side of the abutting plate 111 is elastically connected with the fixing plate 114 disposed on the clamping rod 8 through the spring 112, and the guide rod 113 of the abutting plate 111 disposed on one side of the connecting spring 112 is slidably connected in a sliding hole disposed on the fixing plate 114;
when the abutting assembly is not used for fixing operation, the abutting plate and the bearing plate are abutted tightly through the spring 112, and meanwhile, the abutting plate 111 and the bearing plate are provided with arc-shaped guide slope surfaces towards the contact side of the gasket 12, so that the gasket 12 can be fixed conveniently, slides between the two plates through the guide slope surfaces, and meanwhile, the gasket 12 is pressed tightly through the elasticity of the spring 112.
As shown in the figures, in the embodiment of the present invention, the fixing frame includes a mounting seat 5 and a plurality of limiting rods 6 connected to the side surface of the mounting seat 5, a driving structure 3 is disposed on the side of the mounting seat 5 opposite to the side facing the gasket 12, and a sliding groove for sliding the sliding member is disposed on the limiting rods 6;
to explain the above embodiment of the invention, the sliding part includes a sliding sleeve 7, and the sliding sleeve 7 is disposed on the limiting rod 6, and the sliding groove supports and limits the sliding of the sliding sleeve 7.
As shown in fig. 2 to 4, in the embodiment of the present invention, the driving structure 3 includes a telescopic cylinder 31 and a push rod 32 which are arranged in the guide cavity 33 and are in sliding fit with the guide cavity 33, a sliding limiting groove for the telescopic cylinder 31 and the push rod 32 to slide is arranged on a side wall of one side of the guide cavity 33, the telescopic cylinder 31 and the push rod 32 are connected through a transmission link, the transmission link includes a connecting rod i 34 and a connecting rod ii 36, ends of the connecting rod i 34 and the connecting rod ii 36 are hinged, the connecting rod i 34 and the connecting rod ii 36 are respectively connected with the telescopic cylinder 31 and the push rod 32, a pulley 35 is installed at a hinge of the connecting rod i 34 and the connecting rod ii 36, a contact side of the guide cavity 33 and the pulley 35 is stepped, and an inflection point position of the stepped guide cavity 33 is in arc transition;
to explain the above embodiment further, when the connecting rod i 34 and the connecting rod ii 36 are located at the positions shown in fig. 1, an included angle shown in fig. 1 is formed between the connecting rod i 34 and the connecting rod ii 36, so that when the telescopic cylinder 31 extends to push the connecting rod i 34 and the connecting rod ii 36 to transmit, due to the limit of the inner wall of the guide cavity 33, the connecting rod i 34 and the connecting rod ii 36 do not rotate, at this time, the connecting rod i 34 and the connecting rod ii 36 slide along the inner wall of the guide cavity 33 through the pulley 35 at the hinged joint, when the pulley 35 slides to the groove at the inflection point of the guide cavity 33, as shown in fig. 3, at this time, due to the rotation of the pulley 35 along the groove, the included angle between the connecting rod i 34 and the connecting rod ii 36 changes, at this time, the transmission operation is not performed on the transmission connecting rod formed by the connecting rod i and the connecting rod ii 36, the pushing rod 32 cannot be pushed to move, that is, the driving structure 3 is at this time, in a static state, at this moment, the operator can adjust and fix the position of the gasket 12 by using the time period when the driving structure 3 stops, when the telescopic cylinder 31 continues to extend, as shown in fig. 4, the sliding wheel slides out along the groove and slides along the inner wall of the next section of guide cavity 33, the angle between the connecting rod i 34 and the connecting rod ii 36 is fixed again, the connecting rod i 34 and the connecting rod ii 36 have the transmission function again, the push rod 32 moves, so that the driving structure 3 performs the driving operation, and the function that the driving structure 3 intermittently pushes the sliding sleeve 7 to move is realized.
In the design of the invention, a driving unit for driving the clamping plate to move is formed by the transmission rod 4, the sliding sleeve 7 and the limiting rod 6, the invention is sequentially installed around the center of the installation seat 5 by a plurality of groups of driving units, meanwhile, the sliding positions of the sliding sleeves 7 are the same as the distance from the center of the mounting seat 5, and the invention is limited by the positions, so that when the clamping rod 8 is driven to move to clamp the gasket 12, the driving structure 3 is lifted to drive the plurality of transmission rods 4 to rotate around one end hinged on the connecting plate 25, the sliding sleeve 7 hinged with the transmission rods 4 is driven to slide along the limiting direction of the guide rod 113, thereby driving the clamping rod 8 connected on the sliding sleeve 7 to move to clamp and fix the gasket 12, and at the moment, the connecting line of the center of the fixed gasket 12 and the center of the mounting seat 5 is vertical to the plane of the gasket 12, thus completing the alignment operation of the gasket 12 and the mounting seat 5.
As shown in the figures, in the embodiment of the present invention, the pressure assembly includes a pressure applying cylinder 10 and a pressure testing head 14, the pressure testing head 14 is fixedly connected to a movable end of the pressure applying cylinder 10, a fixed end of the pressure applying cylinder 10 is connected to a central position of the mounting base 5, and the pressure testing head 14 is detachably connected to the pressure applying cylinder 10;
in a further aspect of the present invention, after the fixing of the gasket 12 is completed, the gasket 12 is aligned with the center of the mounting seat 5, and since the pressure assembly is mounted at the center of the mounting seat 5, the pressure assembly acts on the center of the center hole of the gasket 12 during movement, in practice, the pressure testing head 14 connected to the movable end of the pressure cylinder 10 is acted on the coil 13 through the center of the center hole of the gasket 12 by extending the pressure cylinder 10, and since the specifications of the gasket 12 are different, the specification of the center hole is also different, and it is actually necessary to select the pressure testing head 14 with a suitable size according to the specification of the center hole during testing.
Meanwhile, the invention also provides a use method applied to the welding strength test equipment, which comprises the following steps:
the method comprises the following steps: cutting the coiled material 13 around the welding part 15 welded with the gasket 12, wherein the edge of the cut coiled material 13 and the side surface of the gasket 12 are kept at 1-2cm, and the actual side surface is kept at a long distance and can be reasonably adjusted according to the actual condition;
step two: the side, welded with the gaskets 12, of the welding part 15 of the cut coiled material 13 faces the testing equipment, the driving structure 3 drives the sliding sleeves 7 to intermittently slide through the transmission rods 4, so that the clamping rods 8 correspondingly connected with the groups of sliding sleeves 7 are driven to intermittently move, the position of the fixed gasket 12 is adjusted in the intermittent movement fixing process, meanwhile, the bearing plate and the abutting component at the tail ends of the clamping rods 8 are matched to finally fix the gasket 12, the connecting line of the center of the fixed gasket 12 after the fixation of the gasket 12 and the center of the mounting seat 5 is perpendicular to the plane of the gasket 12, and the alignment operation of the gasket 12 and the mounting seat 5 is completed;
step three: a pressure testing head 14 connected to the movable end of the pressure applying cylinder 10 is extended through a central position of a central hole of a gasket 12 to act on a coiled material 13 by the aid of the extension of the pressure applying cylinder 10 arranged at the central position of the mounting seat 5, the coiled material 13 is pressed by the aid of the continuous extension of the pressure applying cylinder 10, pressure changes are recorded by a pressure sensor connected to the pressure testing head 14, and the pressure changes are recorded in a computer;
step four: the welding data of the welding of the gasket 12 and the coil 13 is calculated by separating the pressure variation law in the computer and the related data.
Compared with the prior art, the welding strength testing equipment and the using method have the advantages that the gasket 12 is fixed at the center of the fixing frame, the strength test is carried out by the pressure assembly arranged at the center of the fixing frame, the phenomenon that the coiled material 13 is fixed firstly when the strength test is carried out in the prior art is avoided, the pressure piece is required to be aligned when acting on the center of the center hole of the gasket 12, the difficulty of the test operation is improved, meanwhile, the fixing assembly is intermittently close to the gasket 12 in the fixing process, and an operator can adjust the position of the gasket 12 through the gap of intermittent stop, so that the problem that the gasket 12 is deviated in the regulation process is avoided.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A welding strength test apparatus for testing the welding strength of a coil and a gasket, characterized in that;
the gasket is fixed by a plurality of groups of fixing pieces, the fixing pieces act on the side faces of the gasket, the fixing pieces are respectively connected with corresponding sliding pieces, the sliding pieces are connected on the fixing frame in a sliding manner, and the sliding pieces are driven by the driving structure to intermittently push the fixing frame to the central position, so that the fixing pieces are driven to gradually clamp the gasket;
the fixing piece is used for fixing the gasket by matching the supporting part arranged at one end with the abutting component;
and a pressure assembly is arranged at the center of the fixing frame, the pressure assembly penetrates through the center hole of the gasket to act on the coiled material, and the pressure assembly applies pressure for separating the welding part and records pressure change at the same time.
2. The weld strength testing apparatus according to claim 1, wherein the fixing member includes a clamping bar, and the support portion includes a support plate disposed at a bottom of the clamping bar toward the side of the spacer.
3. The welding strength testing device according to claim 1, wherein the abutting assembly comprises an abutting plate, an elastic member, a guide rod and a fixing plate, wherein one side of the abutting plate abuts against the bearing portion, the other side of the abutting plate is elastically connected with the fixing plate arranged on the fixing member through the elastic member, and the guide rod arranged on one side of the abutting plate, which is connected with the elastic member, is slidably connected to the fixing plate.
4. The welding strength test equipment according to any one of claims 1 to 3, wherein the fixing frame comprises a mounting seat and a plurality of limiting rods connected to the side surface of the mounting seat;
wherein the mounting seat is provided with a driving structure towards the gasket side;
the limiting rod is connected with the sliding piece in a sliding mode.
5. The weld strength testing apparatus according to claim 4, wherein the sliding member is a sliding sleeve.
6. The welding strength testing equipment according to claim 1, wherein the driving structure comprises a telescopic cylinder and a push rod which are arranged in the guide cavity and are in sliding fit with the guide cavity, the telescopic cylinder and the push rod are connected through a transmission connecting rod, the transmission connecting rod comprises a connecting rod I and a connecting rod II, the ends of the connecting rod I are hinged to the connecting rod II, the connecting rod I and the connecting rod II are respectively connected with the telescopic cylinder and the push rod, a pulley is arranged at the hinged position of the connecting rod I and the connecting rod II, the contact side of the guide cavity and the pulley is in a step shape, and the inflection point position of the guide cavity in the step shape is in arc transition.
7. The welding strength testing device according to claim 1, wherein the pressure assembly comprises a pressure cylinder and a pressure testing head, the pressure testing head is detachably connected to a movable end of the pressure cylinder, and a fixed end of the pressure cylinder is connected to a central position of the fixing frame.
8. The use method of the welding strength testing equipment is characterized by comprising the following steps of:
the sliding parts are driven to intermittently push towards the center of the fixing frame through the driving structure, so that the fixing parts correspondingly connected to the sliding parts are driven to move, and the gasket is fixed by matching the supporting part arranged at one end of the fixing part with the abutting component;
the pressure assembly installed in the center of the fixing frame penetrates through the center of the center hole of the gasket and acts on the coiled material, and the pressure assembly applies pressure for separating the gasket from the welding position of the coiled material and records the pressure change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804291.XA CN113533032B (en) | 2021-07-16 | 2021-07-16 | Welding strength testing equipment and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804291.XA CN113533032B (en) | 2021-07-16 | 2021-07-16 | Welding strength testing equipment and using method |
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| CN113533032A true CN113533032A (en) | 2021-10-22 |
| CN113533032B CN113533032B (en) | 2023-03-14 |
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| CN202110804291.XA Active CN113533032B (en) | 2021-07-16 | 2021-07-16 | Welding strength testing equipment and using method |
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| CN113533032B (en) | 2023-03-14 |
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