CN109916709B - Test joint and test tool - Google Patents

Test joint and test tool Download PDF

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Publication number
CN109916709B
CN109916709B CN201910241922.4A CN201910241922A CN109916709B CN 109916709 B CN109916709 B CN 109916709B CN 201910241922 A CN201910241922 A CN 201910241922A CN 109916709 B CN109916709 B CN 109916709B
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adjusting
stop block
adapter
sample
test
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CN109916709A (en
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马斌
倪桂炎
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Jiangsu Shemar Electric Co Ltd
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Jiangsu Shemar Electric Co Ltd
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Abstract

The invention relates to a test joint and a test tool, which comprise an adapter, a support piece and a buckle assembly, wherein the support piece and the buckle assembly are respectively arranged on the same side of the adapter; the supporting piece is connected with the adapter, the relative position of the supporting piece and the adapter is adjustable, the supporting piece can be adjusted and moved along a first direction to support the sample to be tested, and the first direction is consistent with the gravity direction of the test joint in a use state; the buckle assembly is connected with the adapter, the relative position of the buckle assembly and the adapter is adjustable, and the buckle assembly is used for clamping the sample to be tested. By adopting the buckle assembly, on one hand, a sample to be tested can be quickly installed and taken out, and the test efficiency is improved; on the other hand buckle subassembly relative position is adjustable, has the commonality, can satisfy the not unidimensional sample that awaits measuring, has reduced the time and the expense of refabrication frock, has saved test cost.

Description

Test joint and test tool
Technical Field
The invention relates to the field of tensile test equipment, in particular to a test joint and a test tool.
Background
The tensile testing machine is widely applied to various workpieces such as hardware, metal, rubber and plastic, insulators, wires, cables, terminals and the like, and is used for testing the tensile property, the compression resistance and the like of the workpieces. The insulator is a special insulating control, is arranged between conductors with different electric potentials or between the conductors and a grounding component, and is a device capable of resisting voltage and mechanical stress. It is therefore important that the tensile properties of the insulator be good or bad.
Insulator tensile test project is the indispensable project of examining for inspect its tensile strength, need join in marriage corresponding frock so that connect the insulator both ends when insulator is experimental to be carried out on tensile testing machine.
The existing tensile testing machine needs to be matched with a testing tool, the testing tool is arranged at two ends of a workpiece in a hole-to-hole mode, the testing tool at two ends needs to be dismounted after the test is finished, and the steps are repeated, so that the efficiency is low, the repeated labor is more, and the testing period is long; generally, an insulator of one specification corresponds one set of experimental frock, can not satisfy the tensile test of the insulator of different specifications, and after the product size changes, need open the system frock again, whole change increases manufacturing cost, and the frock is numerous, and the management is difficult.
Disclosure of Invention
The invention aims to solve the technical problems of long test period, tool waste and low test efficiency caused by the installation form of the hole of the existing tensile test tool.
In order to solve the technical problem, the invention discloses a test joint in a first aspect, which comprises an adapter, a support and a buckle assembly, wherein the support and the buckle assembly are respectively arranged on the same side of the adapter; the supporting piece is connected with the adapter, the relative position of the supporting piece and the adapter is adjustable, the supporting piece can be adjusted and moved along a first direction and the reverse direction of the first direction to support the sample to be tested, and the first direction is consistent with the gravity direction of the test joint in the using state; the buckle assembly is connected with the adapter, the relative position of the buckle assembly and the adapter is adjustable, and the buckle assembly is used for clamping the sample to be tested.
Furthermore, the buckle assembly comprises a first adjusting stop block and a second adjusting stop block, the first adjusting stop block and the second adjusting stop block are arranged at intervals, and the relative positions of the first adjusting stop block and the second adjusting stop block and the adapter are adjustable respectively.
The first adjusting stop block can move along the second direction and the reverse adjustment direction of the second direction so as to clamp the sample to be tested.
The second adjusting stop block can move along the third direction and the reverse adjustment direction of the third direction so as to clamp the sample to be tested.
The first adjusting stop block and the second adjusting stop block are not interfered with each other in adjusting moving tracks, the second direction and the first direction are first preset included angles, and the third direction and the first direction are second preset included angles.
Further, first predetermine contained angle big or equal to 0 degree and less than or equal to 180 degrees, the contained angle is predetermine to the second and more than or equal to 0 degree and less than or equal to 180 degrees, first predetermine the contained angle with the contained angle is predetermine to the second and is not zero simultaneously and is not 180 degrees simultaneously.
Furthermore, the first adjusting stop block and the second adjusting stop block are arranged in parallel and at intervals. The first preset included angle is 90 degrees, and the second preset included angle is 90 degrees; or, the first preset included angle is 90 degrees, and the second preset included angle is 180 degrees.
Furthermore, first regulation dog is rectangular shape structure, first regulation dog includes first curb plate and second curb plate, first curb plate with the second curb plate is the L shape and connects.
The first side plate is connected with the adapter, the second side plate is arranged at a preset distance from the adapter, and the second side plate is used for clamping the sample to be tested between the second side plate and the adapter.
The second adjusting stop block and the first adjusting stop block have the same structure.
Furthermore, the end of the sample to be tested is provided with a connecting flange, and the preset distance is larger than the thickness of the outer edge of the connecting flange.
Furthermore, the edge of the second side plate, which is close to the sample to be tested, is provided with an avoidance chamfer or chamfer.
Further, the adapter includes base plate and connecting portion, buckle subassembly with support piece respectively with the base plate links to each other.
The connecting portion are arranged on one side, away from the buckling component, of the substrate, and the connecting portion is used for connecting the testing machine.
Furthermore, at least one first adjusting through hole, at least one second adjusting through hole and at least one third adjusting through hole are formed in the substrate.
The supporting piece is connected with the first adjusting through hole through a connecting piece, the supporting piece is adjusted and moved on the base plate along the first direction, and the supporting piece can be fixed on the base plate through the connecting piece and the first adjusting through hole.
The first adjusting stop block is connected with the second adjusting through hole through a connecting piece, the first adjusting stop block moves on the substrate along the second direction and the reverse adjusting direction of the second adjusting stop block, and the first adjusting stop block can be fixed on the substrate through the connecting piece and the second adjusting through hole.
The second adjusting stop block is connected with the third adjusting through hole through a connecting piece, the second adjusting stop block moves on the substrate along the third direction and the reverse adjustment direction of the third adjusting stop block, and the second adjusting stop block can be fixed on the substrate through the connecting piece and the third adjusting through hole.
The invention discloses a test tool for a tensile test, which comprises two test joints, wherein the two test joints are arranged oppositely and at intervals, and a sample to be tested is arranged between the two test joints; one of the test connectors is connected with one end of the sample to be tested, and the other test connector is connected with the other end of the sample to be tested.
By adopting the technical scheme, the test joint and the test tool have the following beneficial effects:
1) according to the invention, the fastening type of the bolts is replaced by the buckle assembly, so that the function of stretching and limiting is achieved, the to-be-tested sample does not need to be provided with the bolts, the flange on the to-be-tested sample is clamped by the buckle assembly, and enough gaps are reserved, so that the to-be-tested sample can be rapidly installed and taken out, a large amount of time and workload for frequently assembling and disassembling the bolts are saved, and the test efficiency is improved;
2) the buckle assembly is adjustable in relative position and universal, so that the to-be-detected samples with different sizes are met, the time and cost for remanufacturing the tool are reduced, and the production cost and the management cost are reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a test joint according to an embodiment of the present invention;
FIG. 2 is a top view of another trial joint according to an embodiment of the present invention;
FIG. 3 is a top view of yet another trial joint according to an embodiment of the present invention;
FIG. 4 is a perspective view of an adapter according to an embodiment of the present invention;
FIG. 5 is a test fixture according to an embodiment of the present invention;
the following is a supplementary description of the drawings:
10-an adapter; 11-a substrate; 111-a first regulating through hole; 112-a second adjustment through hole; 113-a third regulating through hole; 12-a connecting part; 121-bolted connection shafts; 122-reinforcing ribs;
20-a support; 30-a snap assembly; 31-a first adjustment stop; 311-a first side panel; 312-second
A side plate; 32-a second adjustment stop; 321-a third side plate; 322-fourth side panel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
In the drawings, a represents a first direction; b represents a second direction; c represents a third direction.
As shown in fig. 1, a trial adapter comprises: the adapter 10, the support 20 and the buckle assembly 30 are respectively arranged on the same side of the adapter 10; the support member 20 is connected with the adapter 10, the relative position of the support member 20 and the adapter 10 is adjustable, and the support member 20 is adjusted and moved along a first direction to support a sample to be tested; the buckle assembly 30 is connected with the adapter 10, the relative position of the buckle assembly 30 and the adapter 10 is adjustable, and the buckle assembly 30 is used for clamping a sample to be tested.
Through adopting buckle subassembly 30 to replace the bolt-up type, reach tensile spacing function, the sample that awaits measuring does not need the construction bolt, can install fast and take out the sample that awaits measuring, has saved the plenty of time and the work load of frequent dismouting bolt, has improved test efficiency.
As shown in fig. 1, the buckle assembly 30 includes a first adjusting stop 31 and a second adjusting stop 32, the first adjusting stop 31 and the second adjusting stop 32 are parallel and spaced, and the first adjusting stop 31 and the second adjusting stop 32 are used for clamping the to-be-tested sample and have adjustable relative positions, so that the to-be-tested samples with different sizes can be met, the time and cost for remanufacturing the tool are reduced, and the production cost and the management cost are reduced.
The first adjusting stop 31 can move on the adapter 10 along the second direction and the reverse direction thereof to clamp the sample to be tested; the second adjusting stopper 32 can move on the adapter 10 along the third direction and the reverse direction thereof to clamp the sample to be tested; the adjusting moving tracks of the first adjusting stop 31 and the second adjusting stop 32 are not interfered with each other, the second direction and the first direction form a first preset included angle, and the third direction and the first direction form a second preset included angle. The first direction, the second direction and the third direction are in the same plane.
As shown in fig. 1, the first predetermined angle is 90 degrees, and the second predetermined angle is 90 degrees.
It should be noted that, in other embodiments of the present invention, the first preset included angle and the second preset included angle may take any value within a range from greater than or equal to 0 degrees to less than or equal to 180 degrees, but the first preset included angle and the second preset included angle are not zero at the same time and are not 180 degrees at the same time; as shown in fig. 2, the first preset included angle is 90 degrees, and the second preset included angle is 180 degrees; the first adjusting stop block 31 is adjusted and moved on the adapter 10 along the second direction and the reverse direction thereof to clamp the sample to be tested; the second adjusting stopper 32 is adjusted and moved on the adapter 10 along the third direction and the reverse direction thereof to clamp the sample to be tested.
As shown in fig. 1, the first adjusting block 31 is a long bar, the first adjusting block 31 includes a first side plate 311 and a second side plate 312, the first side plate 311 and the second side plate 312 are both long bar, and a long side of the first side plate 311 and a long side of the second side plate 312 are connected in an L shape.
The second adjustment block 32 and the first adjustment block 31 have the same structure, the second adjustment block 32 includes a third side plate 321 and a fourth side plate 322, the third side plate 321 and the fourth side plate 322 are both in a strip structure, and the long side of the third side plate 321 is connected with the long side of the fourth side plate 322 in an L shape. The second side plate 312 and the fourth side plate 322 extend toward the sample to be tested.
As shown in fig. 1, the cross-section of the first adjusting stop 31 and the second adjusting stop 32 is L-shaped, and the first side plate 311 and the third side plate 321 are adjustable in relative distance to each other to meet different sizes of samples to be tested, and the second side plate 312 and the fourth side plate 322 replace a bolt function to clamp the samples to be tested, so that the time and cost for remanufacturing the tool are reduced, the production cost and the management cost are reduced, and the test efficiency is improved.
It should be noted that, in other embodiments of the present invention, as shown in fig. 3, the side walls of the second side plate 312 and the fourth side plate 322 close to the sample to be tested may be circular arc structures, the second side plate 312 and the fourth side plate 322 are used to clamp the sample to be tested, so that the sample to be tested can be quickly installed and taken out, and other structures capable of implementing the function all belong to the protection scope of the present invention.
As shown in fig. 1, the first side plate 311 and the third side plate 321 are respectively connected to the adapter 10, and the second side plate 312 and the fourth side plate 322 are respectively spaced from the adapter 10 by a predetermined distance.
Be used for the joint to await measuring sample between first regulation dog 31 and the second regulation dog 32, first regulation dog 31 and second regulation dog 32 are adjustable with the relative position of adapter 10 respectively, are applicable to not unidimensional sample that awaits measuring, have the commonality, and second lateral plate 312 and fourth lateral plate 322 have the distance of predetermineeing respectively with between the adapter 10, and the end of the sample that awaits measuring has flange, predetermines the outer fringe thickness that the distance is greater than flange. The test connector is not required to be disassembled during testing, and the sample to be tested can be rapidly installed and taken out.
It should be noted that in other embodiments, the flange may be replaced by another connecting assembly with a retaining edge, and the predetermined distance is greater than the thickness of the retaining edge.
The edges of the second side plate 312 and the fourth side plate 322 close to the sample to be tested are provided with an avoidance chamfer or chamfer. Dodge chamfer or chamfer and outwards open, when the installation or when taking out the sample that awaits measuring, have enough space and can make the sample that awaits measuring easier, quick installation and take out, promote test efficiency.
As shown in fig. 1 and 4, the adapter 10 includes a substrate 11 and a connecting portion 12, the snap assembly 30 and the support 20 are respectively connected to the substrate 11 and disposed on the same side of the substrate 11, the connecting portion 12 is disposed on the other side of the substrate 11 away from the snap assembly 30, and the connecting portion 12 is used for connecting a testing machine.
The connecting part 12 comprises a bolt connecting shaft 121 and a reinforcing rib 122 which are connected with the testing machine, and the reinforcing rib 122 can improve the rigidity and meet the requirement of tensile test strength.
As shown in fig. 1 and 4, two first adjusting through holes 111, four second adjusting through holes 112, and four third adjusting through holes 113 are provided on the substrate 11.
The supporting member 20 is adjustably movable on the base plate 11 in a first direction and a reverse direction thereof to abut against the bottom of the sample to be measured, and then the supporting member 20 is fixed on the base plate 11 by using bolts sequentially penetrating through the supporting member 20 and the first adjusting through holes 111 and nuts.
First regulation dog 31 is followed second direction and its reverse movement and is adjusted to suitable position on base plate 11 and with the joint sample that awaits measuring, then uses the bolt to pass first regulation dog 31 and second regulation through-hole 112 in proper order, and the cooperation nut is fixed first regulation dog 31 on base plate 11.
The second adjusting stopper 31 moves along the third direction and the reverse direction thereof on the substrate 11 and is adjusted to a proper position to clamp the sample to be tested, and then the second adjusting stopper 32 is fixed on the substrate 11 by using bolts to sequentially pass through the second adjusting stopper 32 and the third adjusting through hole 113.
The cross sections of the first adjusting through hole 111, the second adjusting through hole 112 and the third adjusting through hole 113 are all long waist-shaped, and the installation positions of the long waist-shaped can be adjusted in a large range to adapt to samples to be measured with different sizes.
It should be noted that in this embodiment, the snap assembly and the adapter are connected by a bolt, and in other embodiments of the present invention, the snap assembly and the adapter may be connected by other detachable and fixed connection methods, such as a combination of a plug and a bolt.
As shown in fig. 5, a test tool is used for a tensile test, and includes two test joints, where the two test joints are arranged oppositely and at an interval, and a test sample to be tested is installed between the two test joints; wherein, one test joint is connected with one end of the sample to be tested, and the other test joint is connected with the other end of the sample to be tested.
Through the implementation of the technical scheme, the test joints are respectively installed at the two ends of the sample to be tested, and the test joints at the two ends are respectively connected with the tensile testing machine through the connecting parts. In the test process, if a to-be-tested sample needs to be replaced, on one hand, the to-be-tested sample does not need to be assembled and connected with a test tool, and the bolt does not need to be frequently disassembled, and the product can be quickly installed and taken out in a clamping mode of the buckle assembly, so that a large amount of time and workload for frequently disassembling and assembling the bolt are saved; in the second aspect, the relative distance of the buckle assembly can be adjusted at will according to the size of a product, the requirements of products with all sizes can be met, the starting time and cost of test tools are reduced, and the production cost and the management cost are reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The utility model provides an experimental frock for insulator tensile test, its characterized in that: the device comprises two test joints which are arranged oppositely and at intervals, and a sample to be tested is arranged between the two test joints; one test joint is connected with one end of the sample to be tested, and the other test joint is connected with the other end of the sample to be tested;
the test joint comprises: the support piece and the buckle component are respectively arranged on the same side of the adapter;
the supporting piece is connected with the adapter, the relative position of the supporting piece and the adapter is adjustable, the supporting piece can be adjusted and moved along a first direction and the reverse direction of the first direction to support the sample to be tested, and the first direction is consistent with the gravity direction of the test joint in the using state;
the buckle assembly is connected with the adapter, the relative position of the buckle assembly and the adapter is adjustable, and the buckle assembly is used for clamping the sample to be tested.
2. The test tool of claim 1, wherein: the buckle assembly comprises a first adjusting stop block and a second adjusting stop block, the first adjusting stop block and the second adjusting stop block are arranged at intervals, and the relative positions of the first adjusting stop block and the second adjusting stop block and the adapter are adjustable respectively;
the first adjusting stop block can move along a second direction and the reverse direction of the second direction to clamp the sample to be tested;
the second adjusting stop block can move along a third direction and the reverse direction of the third direction in an adjusting mode so as to clamp the sample to be detected;
the first adjusting stop block and the second adjusting stop block are not interfered with each other in adjusting moving tracks, the second direction and the first direction are first preset included angles, and the third direction and the first direction are second preset included angles.
3. The test tool of claim 2, wherein: first predetermine contained angle more than or equal to 0 degree and less than or equal to 180 degrees, the second predetermines contained angle more than or equal to 0 degree and less than or equal to 180 degrees, first predetermine the contained angle with the second predetermines the contained angle and is not zero simultaneously and is not 180 degrees simultaneously.
4. The test tool of claim 3, wherein: the first adjusting stop block and the second adjusting stop block are arranged in parallel at intervals, the first preset included angle is 90 degrees, and the second preset included angle is 90 degrees;
or, the first preset included angle is 90 degrees, and the second preset included angle is 180 degrees.
5. The test tool of claim 3 or 4, wherein: the first adjusting stop block is of a strip-shaped structure and comprises a first side plate and a second side plate, and the first side plate and the second side plate are connected in an L shape;
the first side plate is connected with the adapter, the second side plate is a preset distance away from the adapter, and the second side plate and the adapter are used for clamping the sample to be tested;
the second adjusting stop block and the first adjusting stop block have the same structure.
6. The test tool of claim 5, wherein: the end of the sample to be tested is provided with a connecting flange, and the preset distance is larger than the thickness of the outer edge of the connecting flange.
7. The test tool of claim 5, wherein: and an avoidance chamfer or chamfer is arranged at the edge of the second side plate close to the sample to be tested.
8. The test tool of claim 2, wherein: the adapter comprises a base plate and a connecting part, and the buckle assembly and the support part are respectively connected with the base plate;
the connecting portion are arranged on one side, away from the buckling component, of the substrate, and the connecting portion is used for connecting the testing machine.
9. The test tool of claim 8, wherein: the substrate is provided with at least one first adjusting through hole, at least one second adjusting through hole and at least one third adjusting through hole;
the supporting piece is connected with the first adjusting through hole through a connecting piece, the supporting piece is adjusted and moved on the base plate along the first direction and the reverse direction of the first direction, and the supporting piece can be fixed on the base plate through the connecting piece and the first adjusting through hole;
the first adjusting stop block is connected with the second adjusting through hole through a connecting piece, the first adjusting stop block is adjusted and moved on the substrate along the second direction and the reverse direction of the second adjusting stop block, and the first adjusting stop block can be fixed on the substrate through the connecting piece and the second adjusting through hole;
the second adjusting stop block is connected with the third adjusting through hole through a connecting piece, the second adjusting stop block moves on the substrate along the third direction and the reverse adjustment direction of the third adjusting stop block, and the second adjusting stop block can be fixed on the substrate through the connecting piece and the third adjusting through hole.
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