CN216771323U

CN216771323U - Reliability detection device

Info

Publication number: CN216771323U
Application number: CN202123288778.1U
Authority: CN
Inventors: 金凤鸣
Original assignee: Liaoning Equipment Manufacturing Vocational And Technical College
Current assignee: Liaoning Equipment Manufacturing Vocational And Technical College
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-17
Anticipated expiration: 2031-12-25

Abstract

The utility model relates to the technical field of reliability detection, in particular to a reliability detection device, which comprises a base, wherein a clamp for clamping a detection piece is arranged on the base, a push-pull test assembly capable of swinging in a reciprocating manner in a vertical plane is hinged on the base, and a locking assembly for locking the push-pull test assembly in a vertical state is also arranged on the base; the push-pull test assembly comprises a push-pull dynamometer for measuring the reliability of the radiator, the push-pull test assembly is arranged to be hinged to the bottom plate, and the push-pull test assembly can be fixed in the horizontal direction and the vertical direction by matching with the locking assembly, so that two modes of pull detection in the height direction of the radiator and push-pull test on fins of the radiator in the horizontal direction are realized, the push-pull dynamometer is different from a fixed test frame in the market, and the push-pull dynamometer has the advantages of one machine with two purposes, simplicity in operation, convenience in switching and reduction in investment cost.

Description

Reliability detection device

Technical Field

The utility model relates to the technical field of reliability detection, in particular to a reliability detection device which can be particularly applied to a welding radiator.

Background

Along with the improvement of the technological level, the heat dissipation capacity of a radiator of the equipment is more and more strict, the welding reliability of a heat pipe type welding radiator needs to be ensured, the most conventional method is to perform destructive testing on the welded radiator by using an instrument according to the requirement and test in a push or pull mode, a plurality of industries directly use a handheld pliers to pull and pull to remove the welded radiator fins in a bare-handed pulling mode after welding, the fins are usually very thin, the fins are very easy to scratch the hands when falling off, and are very unsafe, meanwhile, whether the welding is qualified can be judged only by feeling and experience when manually removing, detailed and accurate data cannot be obtained, the data cannot be used as a judgment standard to influence the handling of the performance of the radiator, on the other hand, the existing testing equipment on the market is fixed in form, and the two common equipment can only be suitable for two types of windward side push-pull testing and pull testing along the height direction of the fins during testing However, the incompatibility results in increased testing cost, and therefore, there is a need for improvement of the prior art to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reliability detection device, which is specifically realized by the following technical scheme:

the device comprises a base, wherein a clamp used for clamping a detection piece is arranged on the base, a push-pull test assembly capable of swinging in a reciprocating manner in a vertical plane is hinged on the base, and a locking assembly used for locking the push-pull test assembly in a vertical state is also arranged on the base;

the push-pull testing assembly comprises an Contraband-shaped frame body, the Contraband-shaped frame body comprises a connecting beam and two parallel beams which are correspondingly connected, the end parts of the two parallel beams are respectively hinged with the base, and the two parallel beams can swing in a reciprocating mode in a plane perpendicular to the base; the inner sides of the two parallel beams are respectively provided with a stop block, a guide rod and a lead screw are respectively arranged between the stop block and the connecting beam along the length direction of the parallel beams, a sliding table is also arranged between the stop block and the connecting beam and is connected with the two guide rods of the beams in a sliding manner, one end of the lead screw is rotatably connected with the sliding table, the other end of the lead screw penetrates out of the outer side of the connecting beam, and the outer side of the connecting beam is provided with a driving module for driving the lead screw to move along the axis direction; and a push-pull dynamometer for measuring the reliability of the radiator is arranged on the sliding table along the length direction of the guide rod.

Specifically, drive module is including setting firmly the mounting bracket in the tie-beam outside, the mounting bracket is worn out to the lead screw tip, and the coaxial driven gear that is equipped with on the lead screw between mounting bracket and tie-beam, driven gear and lead screw thread transmission are connected, still are equipped with the motor on the mounting bracket, and the driving gear of being connected with the driven gear transmission is installed to the motor axle head.

Specifically, the locking assembly comprises a plurality of groups of mounting shells fixedly arranged at the bottom of the base, the mounting shells correspond to the parallel beams one by one, a columnar cavity is arranged in each mounting shell, a columnar lock cylinder is coaxially and slidably connected in the cavity, the upper end of the lock cylinder penetrates through the base in the vertical direction and is slidably connected to the base, and a first spring is arranged between the bottom of each cavity and the lock cylinder; the end part of the hinged end of the parallel beam is provided with a groove matched with the lock cylinder along the beam length direction, and the lock cylinder can be bounced into the groove when the parallel beam is perpendicular to the base.

Specifically, the side face of the installation shell is provided with a notch communicated with the cavity along the vertical direction, the bottom of the lock cylinder is provided with a cross rod, and the cross rod penetrates through the notch to extend out of the installation shell.

The clamping device comprises a placing rack, a side clamping unit and an upward pressing unit are arranged on the placing rack, the upward pressing unit comprises a push plate arranged above the placing rack along the horizontal direction, a pressing plate is arranged below the push plate, the pressing plate is arranged along the horizontal direction, a pull rod is arranged above the pressing plate, the pull rod penetrates out of the push plate along the vertical direction, a limiting block is arranged on the upper portion of the pull rod, a second spring is arranged on the pull rod between the limiting block and the push plate, a U-shaped groove is formed in the upper portion of the pressing plate along the width direction of the pressing plate, the width of the U-shaped groove is larger than the width of the push plate, first screw rods are connected to the two end portions of the push plate along the vertical direction in a transmission mode, the lower ends of the first screw rods are connected with the side wall of the placing rack in a surface rotating mode respectively, and first adjusting discs are arranged on the two first screw rods.

Specifically, the side presss from both sides the unit and includes along locating the second screw rod on the lateral wall on the rack perpendicularly, and the second screw rod rotates with the rack lateral wall to be connected, and inside second screw rod one end penetrated the rack, and rotated at its tip and be connected with the curb plate, the curb plate sets up with the second screw rod is perpendicular, is equipped with the second adjustment disk at the second screw rod other end.

The utility model has the beneficial effects that:

1. the push-pull test assembly is hinged to the bottom plate and can be fixed in the horizontal direction and the vertical direction by being matched with the locking assembly, so that two modes of pull-out detection in the height direction of the radiator and push-pull test on fins of the radiator in the horizontal direction are realized, the push-pull test assembly is different from a fixed test frame in the market, and the push-pull test assembly has two purposes, is simple to operate and convenient to switch, and reduces the investment cost;

2. the upper pressing unit is arranged, the pressing plate with the adjustable direction is arranged on the pushing plate, so that the clamp can be adapted to the trend of different radiator fins when the fin is pulled by the push-pull testing assembly in a vertical state, the pressing plate can be pressed on the top of the radiator along the length direction of the windward side of the fin all the time through adjustment, clamping is guaranteed to be reliable, meanwhile, the pull-pull testing of a single fin by the push-pull dynamometer is not influenced, and the device is worthy of popularization.

Drawings

The utility model is further described below with reference to the following figures and examples:

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

FIG. 2 is a schematic view of the horizontal configuration of the present invention;

FIG. 3 is a schematic view of a push-pull test assembly;

FIG. 4 is a schematic view of the locking assembly;

fig. 5 is a schematic view of the structure of the clamp.

Detailed Description

As shown in fig. 1-5: a reliability detection device comprises a base 1, wherein a clamp 2 used for clamping a detection piece, namely a radiator, is arranged on the base 1, a push-pull test component 3 capable of swinging in a reciprocating manner in a vertical plane is hinged on the base 1, a locking component 4 used for locking the push-pull test component 3 in a vertical state is also arranged on the base 1, and when the push-pull test component 3 is in a horizontal state, the push-pull test device can be matched with the radiator horizontally arranged on the clamp 2 and can perform push-pull tests along the windward side direction of the radiator and the direction perpendicular to the windward side direction of the radiator; when the push-pull test assembly 3 hinged to the bottom plate is placed in the vertical direction, the locking assembly 4 is matched for locking, the pull-pull test can be performed on the radiator in the height direction, and then the radiator is placed through the driving module 5, is automatically tested, is displayed and recorded on the push-pull dynamometer 36, and is safe, reliable and comprehensive in function;

as shown in fig. 1-3, the push-pull test assembly 3 includes an Contraband-type frame body, a Contraband-type frame body is used for mounting the push-pull dynamometer 36 and the driving module 5 for automatic measurement, a Contraband-type frame body includes a connecting beam 312 and two parallel beams 311 which are correspondingly connected in pairs, the ends of the two parallel beams 311 are respectively hinged with the base 1, four lug plates which are arranged along the vertical direction are arranged on the base 1 along the width direction of the base, the free end parts of the two parallel beams 311 of the Contraband-type frame body are respectively positioned between the two lug plates on the corresponding sides and are connected through pins, so that the Contraband-type frame body is hinged on the base 1 and can move in a fan shape in the vertical plane along the hinge points, thereby achieving two working modes of horizontal and vertical; the inner sides of the two parallel beams 311 are respectively provided with a stop 32, a guide rod 33 and a lead screw 34 are respectively arranged between the stop 32 and the connecting beam 312 along the length direction of the parallel beam 311, a sliding table 35 is also arranged between the stop 32 and the connecting beam 312, the sliding table 35 is connected with the two guide rods 33 of the beams in a sliding manner, the sliding table 35 is guided by the two guide rods 33 to ensure that the sliding table 35 slides along the length direction of the parallel beam 311, one end of the lead screw 34 is rotatably connected with the sliding table 35, the other end of the lead screw 34 penetrates out of the outer side of the connecting beam 312, a driving module 5 for driving the lead screw 34 to move along the axial direction is arranged on the outer side of the connecting beam 312, the lead screw 34 is driven to rotate by the driving module 5 and then is matched with the lead screw 34 in the driving module 5 to drive the lead screw 34 to slowly advance or slowly retreat along the axial direction, so as to drive the sliding table 35 and a push-pull dynamometer 36 fixedly arranged on the sliding table 35 to automatically complete push-pull test, manual operation is avoided, and injury is prevented; the push-pull dynamometer 36 for measuring the reliability of the radiator is arranged on the sliding table 35 along the length direction of the guide rod, the push-pull dynamometer 36 is arranged at the central position of the sliding table 35, the stress balance is facilitated, the measurement is more accurate, the push-pull dynamometer 36 is common, the pull and pressure can be measured and recorded, meanwhile, the peak value of the measured value can be recorded, and the welding reliability of the radiator can be conveniently analyzed.

The driving module 5 comprises a mounting frame 51 fixedly arranged on the outer side of the connecting beam 312, the mounting frame 51 is Contraband-shaped and is buckled on the outer surface of the connecting beam 312 and used for mounting a motor 53 and limiting the position of the driven gear 52, the end part of the lead screw 34 penetrates out of the mounting frame 51, the driven gear 52 is coaxially arranged on the lead screw 34 between the mounting frame 51 and the connecting beam 312, the driven gear 52 is in threaded transmission connection with the lead screw 34, the middle part of the driven gear 52 is provided with threads which are matched with the lead screw 34, the motor 53 is also arranged on the mounting frame 51, the shaft end of the motor 53 is provided with a driving gear 54 in transmission connection with the driven gear 52, power is transmitted to the driven gear 52 through the matching of the driving gear 54 and the driven gear 52, due to the limitation of the mounting frame 51 and the connecting beam 312, the driven gear 52 can only rotate, threads inside the driven gear 52 can follow the rotation, further, the lead screw 34 is driven gear 52 is driven to rotate, and the position is fixed, therefore, the lead screw 34 moves along the axial direction, and the sliding table 35 moves along the axial direction, so that the push-pull test of the radiator fins is realized under different states.

As shown in fig. 4, the locking assembly 4 includes two sets of mounting shells 41 fixedly disposed at the bottom of the base 1, the mounting shells 41 respectively correspond to the parallel beams 311 one by one, the mounting shells 41 are disposed at the bottom of the base plate right below the hinge point of the parallel beams 311 and the base plate, a cylindrical cavity 42 is disposed in each mounting shell 41, a cylindrical lock cylinder 43 is coaxially and slidably connected in the cavity 42, the upper end of the lock cylinder 43 penetrates through and slidably connects to the base 1 along the vertical direction, a first spring 44 is disposed between the bottom of the cavity 42 and the lock cylinder 43, a groove 45 adapted to the lock cylinder 43 is disposed at the end of the hinge end of the parallel beam 311 along the beam length direction, the lock cylinder 43 can be inserted into the groove 45 when the parallel beams 311 are perpendicular to the base 1, when the parallel beams 311 are in a state perpendicular to the bottom surface, the groove 45 and the lock cylinder 43 are located on the same axis, at this time, the upper end of the lock cylinder 43 is inserted into the groove 45 under the elastic force of the first spring 44, the two parallel beams 311 can thus be firmly fixed in a vertical plane perpendicular to the base 1 by the locking assembly 4, so that the radiator fins can be subjected to a pull test to verify the welding reliability of the individual fins of the radiator, where the depth of the groove 45 can be controlled to facilitate resetting after the lock cylinder 43 extends into the groove 45.

In order to facilitate the resetting of the push-pull test assembly 3, facilitate the retraction of the lock cylinder 43 from the inside of the groove 45, so that the two parallel beams 311 can swing, a notch 46 communicated with the cavity 42 is arranged on the side surface of the installation shell 41 along the vertical direction, a cross rod 47 is arranged at the bottom of the lock cylinder 43, the cross rod 47 passes through the notch 46 and extends out of the installation shell 41, the cross rod 47 is pressed downwards, the cross rod 47 drives the lock cylinder 43 to move downwards against the elastic force of a first spring 44, the lock cylinder 43 retracts from the groove 45 and is contacted in the vertical state, when the push-pull test assembly 3 is in the horizontal state, namely the parallel beams 311 are in the horizontal state, the lock cylinder 43 and the groove 45 are staggered and cannot be aligned with each other, the gravity of the whole push-pull test assembly 3 ensures that the parallel beams 311 can be stably kept in the horizontal state to complete the push-pull test of the fins in the horizontal direction, so that the work in a good mode is realized, the two modes of shell can be quickly switched, one machine is dual-purpose, and the investment of the equipment is reduced, the detection efficiency and the detection quality are improved.

As shown in fig. 5, the jig 2 includes a placement frame 21 for placing a heat sink, arranged in a horizontal direction, the placing frame 21 is provided with a side clamping unit and an upper pressing unit, the side clamping unit is used for clamping the bottom plate of the radiator from the side, the upper pressing unit is used for ensuring that irrelevant fins of the radiator are pressed from the upper part when a single fin is drawn or the bottom plate tin paste is observed to be dissolved apart, the local drawing test of the fins is completed in a targeted manner, the upper pressing unit comprises a push plate 211 arranged above the placing frame 21 along the horizontal direction, a pressing plate 212 is arranged below the push plate 211, the pressing plate 212 is arranged along the horizontal direction, a pull rod 213 is arranged above the pressure plate 212, the upper end of the pull rod 213 penetrates out of the push plate 211 along the vertical direction, a limit block 214 is arranged at the upper part of the pull rod 213, a second spring 215 is arranged on the pull rod 213 between the limiting block 214 and the push plate 211, and the push plate 211 and the pressure plate 212 are pressed together by the force of the second spring 215; the upper portion of the pressing plate 212 is provided with a U-shaped groove 216 along the width direction of the pressing plate 212, the width of the U-shaped groove 216 is larger than that of the pushing plate 211, the pressing plate 212 is pulled downwards to rotate along the pull rod 213, the pressing plate 212 can be rotated to the same direction as the pushing plate 211, the pressing plate 212 can also be rotated to be perpendicular to the pushing plate 211, the pushing plate 211 is clamped on the pushing plate 211 through the U-shaped groove 216 slightly larger than the width of the pushing plate 211, the heat sink is placed on the placing frame 21, the direction of fins can be along the length direction of the pushing plate 211 or along the direction perpendicular to the pushing plate 211, and therefore the pressing plate 212 has two forms, the area of the fins, which do not participate in the drawing, of the heat sink can be selectively pressed according to the specific shape of the heat sink, the clamping is ensured to be reliable, and reliable detection data is obtained.

Both ends of push pedal 211 all are connected with first screw rod 217 along the vertical direction transmission, and first screw rod 217 lower extreme rotates in corresponding side place frame 21 lateral wall upper surface respectively to be connected, all is equipped with first adjustment disk 218 in two first screw rod 217 upper ends and can control push pedal 211 and take clamp plate 212 to reciprocate the adjustment along vertical direction through adjusting screw to use not co-altitude radiator product, increase its suitability.

The side clamping units comprise second screw rods 221 vertically arranged on the upper side wall of the placing frame 21, the second screw rods 221 are rotatably connected with the side wall of the placing frame 21, one ends of the second screw rods 221 penetrate into the placing frame 21, side plates 223 are rotatably connected to the end portions of the second screw rods 221, the side plates 223 are vertically arranged with the second screw rods 221, second adjusting plates 224 are arranged at the other ends of the second screw rods 221, the second screw rods 221 are driven to be screwed into the side wall of the placing frame 21 through rotating the second adjusting plates 224, the side plates 223 are further pushed to clamp the bottom plate of the heat radiator, the bottom plate of the heat radiator is generally thin, the height of the side plates 223 can be adjusted, and the influence on a test result caused by clamping fins is avoided.

The novel radiator pulling and pulling test device is characterized in that two modes are used, firstly, the pushing and pulling test component 3 is placed along the horizontal direction, and then the pushing resistance and the tensile resistance of the radiator fins in different directions in the horizontal plane are tested along the horizontal direction, the influence on the radiator fins under a specified force is detected, in the second mode, the pulling and pulling test is carried out, the pushing and pulling test component 3 is located in the vertical direction and is perpendicular to the base 1, a hanger at the bottom of the pushing and pulling dynamometer 36 is replaced, the pulling test is carried out on the fins along the vertical direction, the motor 53 can be started to automatically carry out the test after the radiator is placed manually, manual interference is not needed, the radiator fins can be prevented from being scratched, and meanwhile, the test data are more accurate; when the testing device is used, the windward side of the radiator is horizontally placed on the placing frame 21 along the length direction of the parallel beam 311, the second adjusting disc 224 is adjusted to drive the second screw rod 221 and the side plate 223 at the end part of the second screw rod 221 to clamp the bottom plate of the radiator, the fixing of the deck of the radiator is completed, the first screw rod 217 is adjusted to enable the pressing plate 212 not to contact with the fins of the radiator, the push-pull testing component 3 is rotated to enable the push-pull testing component to be placed on the bottom plate along the horizontal direction, the motor 53 is started to drive the push-pull dynamometer 36 to push the fins, the motor 53 is controlled to stop keeping for a period of time when appropriate force is applied, whether the fins of the radiator are deformed or damaged is detected, the motor 53 reversely moves when the tensile force is tested in a similar way, and no more explanation is needed, and the non-windward side of the fins of the radiator can be tested by adjusting the placing direction of the radiator; when the radiator fins need to be pulled and tested, firstly, the trend of the radiator fins needs to be observed, the direction of the pressure plate 212 is adjusted to enable the pressure plate to act on the upper parts of the fins along the length direction of the radiator fins, the first screw 217 is adjusted to drive the pressure plate 212 to press the radiator fins tightly, then, the push-pull test assembly 3 is placed along the vertical direction, when the push-pull test assembly is in the vertical state, the groove 45 at the end part of the parallel beam 311 is coaxial with the lock cylinder 43, the lock cylinder 43 pops into the groove 45 along the vertical direction under the elastic force action of the first spring 44, so that the locking and fixing of the push-pull test assembly 3 in the vertical direction are realized, after the locking, the hanger at the bottom of the push-pull dynamometer 36 is replaced and hung on the corresponding fins, the motor 53 is started to move, the lead screw 34 drives the sliding table 35 to slide upwards, the motor 53 stops the motor 53 to keep a period of time when the indication of the push-pull dynamometer 36 reaches the specified indication, and the state of the fins is observed, the test is carried out according to the standard, the drawing test is further completed, when the fins are required to be detached to observe the welding dissolution condition of the radiator, the motor 53 can be started to continuously drive the sliding table 35 to ascend, the fins are pulled off, the solder paste condition on the bottom plate is observed, after the test is finished, the lock cylinder 43 can be retracted from the groove 45 by downwards pressing the cross rod 47 at the bottom of the locking assembly 4, so that the push-pull test assembly 3 is positioned in the horizontal direction, and the two modes can be rapidly switched.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a reliability detection device, includes the base, its characterized in that: the base is provided with a clamp for clamping a detection piece, the base is hinged with a push-pull test assembly capable of swinging in a vertical plane in a reciprocating manner, and the base is also provided with a locking assembly for locking the push-pull test assembly in a vertical state;

2. The reliability detection device according to claim 1, characterized in that: the drive module is including setting firmly the mounting bracket in the tie-beam outside, the mounting bracket is worn out to the lead screw tip, and the coaxial driven gear that is equipped with on the lead screw between mounting bracket and tie-beam, driven gear and lead screw thread transmission are connected, still are equipped with the motor on the mounting bracket, and the driving gear of being connected with the driven gear transmission is installed to the motor axle head.

3. The reliability detection device according to claim 2, characterized in that: the locking assembly comprises a plurality of groups of mounting shells fixedly arranged at the bottom of the base, the mounting shells correspond to the parallel beams one by one, a columnar cavity is arranged in each mounting shell, a columnar lock cylinder is coaxially and slidably connected in the cavity, the upper end of the lock cylinder penetrates through the base in the vertical direction and is slidably connected with the base, and a first spring is arranged between the bottom of the cavity and the lock cylinder; the end part of the hinged end of the parallel beam is provided with a groove matched with the lock cylinder along the beam length direction, and the lock cylinder can be bounced into the groove when the parallel beam is perpendicular to the base.

4. The reliability detection device according to any one of claims 1 to 3, characterized in that: the side surface of the installation shell is provided with a notch communicated with the cavity along the vertical direction, the bottom of the lock core is provided with a cross rod, and the cross rod penetrates through the notch to extend out of the installation shell.

5. The reliability detection device according to claim 4, characterized in that: anchor clamps include the rack, are equipped with the side on the rack and press unit and push up the unit, and the unit of pushing up includes and sets up in the push pedal of rack top along the horizontal direction, and the push pedal below is equipped with the clamp plate, and the clamp plate sets up along the horizontal direction, establishes the pull rod in the clamp plate top, and the pull rod wears out the push pedal along vertical direction, is equipped with the stopper on pull rod upper portion, is equipped with the second spring on the pull rod between stopper and push pedal, clamp plate upper portion is equipped with U type groove along clamp plate width direction, and U type groove width is greater than the push pedal width, the push pedal both ends all are connected with first screw rod along vertical direction transmission, first screw rod lower extreme rotates the connection in corresponding side rack lateral wall upper surface respectively, all is equipped with first adjustment disk on two first screw rods.

6. The reliability detection device according to claim 5, characterized in that: the side presss from both sides the unit and includes along locating the second screw rod on the lateral wall on the rack perpendicularly, and the second screw rod rotates with the rack lateral wall to be connected with, and inside second screw rod one end penetrated the rack, and rotated at its tip and be connected with the curb plate, the curb plate sets up with the second screw rod is perpendicular, is equipped with the second adjustment disk at the second screw rod other end.