CN113390594A

CN113390594A - Test piece impact resistance test device

Info

Publication number: CN113390594A
Application number: CN202110389359.2A
Authority: CN
Inventors: 魏亮明
Original assignee: Ningbo Emtek Co ltd
Current assignee: Ningbo Emtek Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-09-14
Anticipated expiration: 2041-04-12
Also published as: CN113390594B

Abstract

The invention relates to the technical field of test piece performance detection equipment, in particular to a test piece impact resistance test device which comprises a box body, a refrigerating device and an impact simulation mechanism, wherein the refrigerating device is used for regulating the temperature inside the box body through a pipeline, the impact simulation mechanism is used for testing a bulb and comprises a mounting frame which is fixedly arranged inside the box body and can be used for accurately regulating the height, a bulb mounting seat is fixedly arranged at the bottom of the mounting frame, the impact frame is used for impacting the bulb arranged on the bulb mounting seat, a weighting piece can be placed on the impact frame to change the impact weight, and an impact frame locking device is used for locking the height position of the impact frame.

Description

Test piece impact resistance test device

Technical Field

The invention relates to the technical field of test piece performance detection equipment, in particular to a test device for impact resistance of a test piece.

Background

The low-temperature impact test device can bear the impact degree in an extremely low-temperature environment instantly, so as to test the chemical change or physical damage caused by cold contraction in the shortest time, and is suitable for the industries of electronic and electrical components, automatic components, communication components, automobile parts, metal, chemical materials, plastic and the like, the physical changes of national defense industry, aerospace, war industry, BGA, PCB base plates, electronic chips IC, semiconductor ceramics and high polymer materials, and the chemical change or physical damage caused by repeated tension resistance of the materials to low temperature and cold contraction of products.

The existing low-temperature impact device needs to be placed in a low-temperature box with a bulb and an impact hammer when working, the impact caused by free falling of the bulb is tested through the impact hammer, the device needs to be manually carried in use, the impact hammer is manually operated to test, test precision cannot be confirmed when a large amount of manpower is needed, and the problem that test data is incomplete due to the fact that the controllable variable of the test is less is solved.

Disclosure of Invention

In order to solve the technical problems, the technical scheme provides a test device for the impact resistance of a test piece, realizes the purpose of carrying out impact tests with adjustable impact height and impact strength in a box body with adjustable environmental temperature so as to solve the technical problem of carrying out comprehensive testing on the impact resistance of a bulb with various variables,

in order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

a test device for testing impact resistance of a test piece comprises,

the refrigerator comprises a box body, a temperature control device and a weight piece, wherein the box body is connected with a refrigerating device for regulating the temperature in the box body through a pipeline, an impact simulation mechanism for testing a bulb is installed in the box body, and the weight piece is used for regulating the impact weight of the impact simulation mechanism;

it is characterized in that the impact simulation mechanism comprises a mechanism body,

the mounting rack is fixedly mounted inside the box body, and the height of the top end and the bottom of the mounting rack can be accurately adjusted;

the bulb mounting seat is fixedly mounted at the bottom of the mounting frame and used for fixing the experimental bulb, and different bayonets can be replaced by the bulb mounting seat according to the model of the tested bulb;

the impact frame penetrates through the top of the box body and is inserted into the mounting frame, the impact frame is used for impacting a bulb arranged on the bulb mounting seat, and the impact frame can be provided with a weighting piece for changing the impact weight;

the impact frame locking device is fixedly installed at the top of the box body and used for locking the height position of the impact frame.

Preferably, the mounting frame comprises a first flat plate, the surface of the first flat plate is provided with an inclined plane which inclines from the center to the periphery, a plurality of first straight rods are arranged on the side surface of the first flat plate, the first straight rods are inserted into the bottom end of the box body, a first fixing plate is arranged above the first flat plate, and the first fixing plate fixes the bulb mounting seat through first fixing screws.

Preferably, the mounting bracket is further including first mount pad, first mount pad cartridge is on the first straight-bar of mounting bracket, first mount pad has two and sets up respectively in first dull and stereotyped both sides, be provided with the scale bar that extends towards the top on the first mount pad, the surface of scale bar is provided with the accurate scale mark that obtains, the cartridge has first regulating plate on the scale bar, the both sides of first regulating plate are provided with the screw hole, threaded hole in the spiral install the second fixed screw, the second fixed screw passes the box, the second fixed screw is used for fixing the position of first regulating plate on the scale bar, the outer one end of second fixed screw is provided with the swivel nut, the swivel nut is used for making things convenient for the rotatory second fixed screw of staff.

Preferably, the impact frame comprises a second straight rod, a base is arranged below the second straight rod, the weighting piece can be placed on the base, a first inserting hole is formed in the top of the box body, a second inserting hole is formed in the center of a first adjusting plate of the mounting frame, the second straight rod penetrates through the second inserting hole and the first inserting hole to extend to the outside of the box body, a handle is arranged at one end, far away from the base, of the second straight rod, and the axes of the second straight rod, the first inserting hole, the second inserting hole and the bulb mounting seat are located on the same straight line

Preferably, the impact frame locking device comprises a mounting seat, the mounting seat is of a rectangular frame structure, the mounting seat is fixedly mounted on the box body, the working range of the mounting seat comprises a first plug-in hole of the box body, a guide rod is arranged inside the mounting seat, the guide rod is also provided with a limiting block, the limiting block can do reciprocating linear motion along the extension direction of the guide rod, the limiting block and one side of the limiting block facing the second straight rod are provided with triangular notches, the limiting block is connected with one end of the mounting seat through a spring, the spring is sleeved on the guide rod, one end of the mounting seat far away from the first inserting hole is provided with a first positioning column extending upwards, the limiting block is provided with a second positioning column extending towards the upper side, the impact frame locking device further comprises an elastic buckle, one end of the elastic buckle is inserted into the first positioning column, and the working end of the elastic buckle can fix the second positioning column.

Preferably, the box is still including the revolving door, and the revolving door is articulated to be installed in the place ahead opening side of box, and the revolving door surface has the glass material of large tracts of land, the inside bottom of box is provided with the sleeve, and the sleeve is used for the first straight-bar of cartridge mounting bracket, the both sides of box are provided with the glass curb plate, the bottom of box is provided with clearance mechanism, and clearance mechanism is used for the clearance to collect the bulb piece that the experiment produced, and the bottom of clearance mechanism is provided with the stabilizer blade, and the stabilizer blade is used for supporting the box.

Preferably, be provided with the waist type groove of vertical direction on the glass curb plate, the second fixed screw of mounting bracket passes waist type groove and connects first regulating plate, be provided with the sheet rubber on the waist type groove, the sheet rubber sets up in the both sides of waist type inslot wall, and the sheet rubber obtains one side relatively and is provided with the cockscomb structure opening of laminating each other.

Preferably, clearance mechanism is including the collecting vat, and the collecting vat sets up in the bottom of box, and the collecting vat has all around to the chute of bottom center slope, and the bottom of collecting vat is provided with the discharge gate, and the below of discharge gate articulates there is the closing cap.

Preferably, the box body is also provided with a thermometer, and the thermometer is used for detecting and displaying the temperature inside the box body.

Preferably, the upper part of the box body is provided with a limiting column, the weighting piece is provided with an opening extending towards one side, and the size of the opening is matched with the diameter of the limiting column.

Compared with the prior art, the invention has the beneficial effects that:

1. the box body of the invention is directly connected with the refrigerating device for adjusting the temperature in the box body, the weighting piece can be directly placed on the box body, the integration of equipment is realized, the working personnel does not need to search corresponding equipment, the time is saved, and the working efficiency is improved.

2. The height of the mounting frame can be adjusted, so that the impact frame can perform impact tests on the bulb from different heights, and experimental variables are increased.

3. The bulb mounting seat can be replaced according to bulbs of different types, so that the device can perform experiments on various types of bulbs, the application range of the device is enlarged, the stress of the bulbs is more in line with the actual state, and the experimental data are more accurate.

4. The impact frame can be matched with the weighting piece to adjust the weight of the impact on the bulb, and experimental variables are increased, so that data are more reliable.

5. The impact frame locking device can lock the height position of the impact frame, so as to solve the technical problem that the impact frame needs to be held by a hand and fixed before being released each time, and other operations are not convenient for workers.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a perspective view of the mounting bracket and bulb mount of the present invention;

FIG. 6 is a perspective view of the impact frame of the present invention;

FIG. 7 is a perspective view of the impact frame locking apparatus of the present invention;

FIG. 8 is a perspective view of the case, the thermometer, the weight plate and the refrigerating apparatus of the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 8 at B;

FIG. 10 is an enlarged view of a portion of FIG. 8 at C;

the reference numbers in the figures are:

a-a refrigeration device;

b-weighting tablets;

1-a box body; 1 a-a first insertion hole; 1 b-a revolving door; 1 c-a sleeve; 1 d-glass side plate; 1d 1-waist groove; 1d 2-rubber sheet; 1 e-a cleaning mechanism; 1e 1-collection tank; 1e 2-discharge port; 1e 3-closure cap; 1 f-a leg; 1 g-a limiting column;

2-a mounting rack; 2 a-a first plate; 2 b-a first straight bar; 2 c-a first fixing plate; 2c 1-first set screw; 2 d-a first mount; 2 e-a graduated rod; 2 f-a first regulating plate; 2f 1-threaded hole; 2f 2-second set screw; 2f 3-rotating sleeve; 2f 4-second insertion hole;

3-bulb mounting seat;

4-impact frame; 4 a-a second straight rod; 4 b-a base; 4 c-a handle;

5-impact frame locking means; 5 a-a mounting seat; 5a1 — first positioning post; 5 b-a guide bar; 5 c-a limiting block; 5c 1-second locator post; 5 d-spring; 5 e-elastic buckle;

6-thermometer.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to achieve the purpose of performing impact tests with adjustable impact height and impact strength in a box body with adjustable environmental temperature and solve the technical problem of comprehensively testing various variables of the impact performance of the bulb, as shown in figures 1 and 2,

a test device for testing impact resistance of a test piece comprises,

the refrigerator comprises a box body 1, wherein the box body 1 is connected with a refrigerating device A for adjusting the temperature inside the box body 1 through a pipeline, an impact simulation mechanism for testing a bulb is installed inside the box body 1, and a weighting piece B is used for adjusting the impact weight of the impact simulation mechanism;

the mounting rack 2 is fixedly arranged inside the box body 1, and the height of the top end and the bottom of the mounting rack 2 can be accurately adjusted;

the bulb mounting base 3 is fixedly mounted at the bottom of the mounting frame 2, the bulb mounting base 3 is used for fixing an experimental bulb, and different bayonets of the bulb mounting base 3 can be replaced according to the type of the tested bulb;

the impact frame 4 penetrates through the top of the box body 1 and is inserted into the mounting frame 2, the impact frame 4 is used for impacting a bulb arranged on the bulb mounting seat 3, and the impact frame 4 can be provided with a weighting piece B to change the impact weight;

and the impact frame locking device 5 is fixedly arranged at the top of the box body 1, and the impact frame locking device 5 is used for locking the height position of the impact frame 4.

Specifically, a worker uses the device to carry out an impact resistance test on a bulb, the bulb mounting seat 3 corresponding to a bayonet is fixedly mounted at the bottom of the mounting frame 2 according to the model of the tested bulb, the mounting frame 2 is inserted into the box body 1, during the test, the refrigerating device A is adjusted according to the required temperature, the refrigerating device A conveys air into the box body 1 through a pipeline to adjust the temperature inside the box body 1, the worker adjusts the mounting frame 2 to a proper height, the impact frame 4 inserted on the mounting frame 2 is moved to enable the distance of the impact frame 4 to be equal to a distance from the top end, the impact frame locking device 5 arranged at the top end of the box body 1 is used for locking the height of the impact frame 4, after the temperature inside the box body 1 reaches the test temperature, the worker opens the impact frame locking device 5 to enable the impact frame 4 to descend to freely impact the bulb, after the test is finished, the worker records test data, the falling height of the impact frame 4 can be adjusted according to the requirement or the weighting piece B is placed on the impact frame 4, so that the weight of the impact bulb is changed, and more test data are obtained.

Further, in order to realize that the mode of mounting bracket 2 fixed mounting box 1 and bulb mount pad 3 does not influence the purpose that the piece of bulb gets into box 1, remain the technical problem who influences equipment operation on mounting bracket 2 and bulb mount pad 3 with the broken piece that produces of bulb in the solution experiment, as shown in fig. 4 and 5, mounting bracket 2 is including first flat board 2a, the surface of first flat board 2a is provided with by the inclined plane of center to slope all around, a plurality of first straight-bars 2b of side play of first flat board 2a, first straight-bar 2b cartridge is in the bottom of box 1, the top of first flat board 2a is provided with first fixed plate 2c, first fixed plate 2c passes through first fixed screw 2c1 fixed bulb mount pad 3.

Specifically, the stability of mounting bracket 2 is realized through a plurality of direction cartridges to first straight pole 2b of mounting bracket 2 on box 1, first fixed plate 2c one side on first flat board 2a is placed to bulb mount pad 3, fix through first fixed screw 2c1, when the bulb in the test takes place the breakage, the glass piece drops to inside box 1 through the landslide of first flat board 2a upper surface, mounting bracket 2 can guarantee with box 1's connected mode that first straight pole 2b can not influence the glass piece and get into box 1.

Further, in order to achieve the purpose that the mounting frame 2 can accurately adjust the landing height of the impact frame 4, so as to solve the technical problem that the impact height of the impact frame 4 cannot be accurately measured, as shown in fig. 5, the mounting frame 2 further includes a first mounting seat 2d, the first mounting seat 2d is inserted into a first straight rod 2b of the mounting frame 2, the first mounting seat 2d has two ends respectively disposed on two sides of a first flat plate 2a, a scale rod 2e extending upward is disposed on the first mounting seat 2d, a scale mark is accurately obtained on the surface of the scale rod 2e, a first adjusting plate 2f is inserted into the scale rod 2e, threaded holes 2f1 are disposed on two sides of the first adjusting plate 2f, second fixing screws 2f2 are spirally disposed in the threaded holes 2f1, a second fixing screw 2f2 penetrates through the box body 1, and the second fixing screw 2f2 is used for fixing the position of the first adjusting plate 2f on the scale rod 2e, one end of the second fixing screw 2f2 facing outwards is provided with a rotating sleeve 2f3, and the rotating sleeve 2f3 is used for facilitating the worker to rotate the second fixing screw 2f 2.

Concretely, the staff mediates cartridge first regulating plate 2f on scale bar 2e to suitable high back, revolves, and the second fixed screw 2f2 of first regulating plate 2f both sides cartridge in screw hole 2f1 makes second fixed screw 2f2 contradict the position of fixed first regulating plate 2f with scale bar 2e, thereby the staff can be more convenient rotatory second fixed screw 2f2 through rotatory cover 2f 3.

Further, for the purpose that the impact frame 4 can be placed with the weight-adding piece B and the impact frame 4 can be oriented to impact the bulb on the bulb mounting seat 3, to solve the technical problem that the impact weight of the impact frame 4 is adjustable and the moving direction is stable, as shown in fig. 6, the impact frame 4 comprises a second straight rod 4a, a base 4B is arranged below the second straight rod 4a, a weighting piece B can be placed on the base 4B, the top of the box body 1 is provided with a first inserting hole 1a, the center of a first adjusting plate 2f of the mounting rack 2 is provided with a second inserting hole 2f4, a second straight rod 4a passes through the second inserting hole 2f4 and the first inserting hole 1a and extends to the outside of the box body 1, one end of the second straight rod 4a far away from the base 4b is provided with a handle 4c, the axes of the second straight rod 4a, the first inserting hole 1a, the second inserting hole 2f4 and the bulb mounting seat 3 are on the same straight line.

Specifically, the second straight rod 4a passes through the second insertion hole 2f4 and the first insertion hole 1a and extends to the outside of the box body 1, and the axes of the second straight rod 4a, the first insertion hole 1a, the second insertion hole 2f4 and the bulb installation seat 3 are in the same straight line, so that the base 4B can accurately act on a bulb installed on the bulb installation seat 3, the impact weight of the impact frame 4 on the bulb can be changed by placing different numbers of weight-adding pieces B on the base 4B of the impact frame 4, the impact frame 4 can freely move in the second insertion hole 2f4, a worker can grab the handle 4c to adjust the height of the base 4B, and the impact frame 4 is determined to be kept at the same height during each test according to the scale marks on the scale rod 2 e.

Further, in order to achieve the purpose that the impact frame locking device 5 can lock the height position of the impact frame 4, and to solve the technical problem that it is inconvenient for a worker to perform other operations by holding and fixing the impact frame 4 by hand before releasing the impact frame 4, as shown in fig. 7, the impact frame locking device 5 includes a mounting seat 5a, the mounting seat 5a is a rectangular frame structure, the mounting seat 5a is fixedly mounted on the box body 1, the working range of the mounting seat 5a includes the first insertion hole 1a of the box body 1, a guide rod 5b is arranged inside the mounting seat 5a, a limiting block 5c is further mounted on the guide rod 5b, the limiting block 5c can perform reciprocating linear motion along the extending direction of the guide rod 5b, triangular notches are formed in the limiting block 5c and the limiting block 5c on the side of the limiting block 5c facing the second straight rod 4a, the limiting block 5c is connected with one end of the mounting seat 5a through a spring 5d, the spring 5d is sleeved on the guide rod 5b, one end, far away from the first insertion hole 1a, of the mounting seat 5a is provided with a first positioning column 5a1 extending upwards, a second positioning column 5c1 extending upwards is arranged above the limiting block 5c, the impact frame locking device 5 further comprises an elastic buckle 5e, one end of the elastic buckle 5e is inserted on the first positioning column 5a1, and the working end of the elastic buckle 5e can fix the second positioning column 5c 1.

Specifically, when the staff adjusts and strikes frame 4, the stopper 5c of the impact frame locking device 5 is pulled, make the stopper 5c be close to first reference column 5a1, thereby rotatory elasticity buckle 5e makes the fixed stopper 5c of the fixed second reference column 5c1 of elasticity buckle 5e, make things convenient for the staff freely to move and strike frame 4, when the staff will strike frame 4 and adjust to suitable height, take off the elasticity buckle 5e of restriction second reference column 5c1, make stopper 5c be close to towards the second straight-bar 4a that strikes frame 4 under the pulling of spring 5d, the triangle-shaped breach of stopper 5c carries on spacingly to second straight-bar 4a, carry out the fixed of position to striking frame 4 through stopper 5c and first cartridge hole 1a, make the staff can be convenient carry out other operations.

Further, in order to realize that box 1 can guarantee the normal clear of experiment and make things convenient for the purpose that the staff observed, as shown in fig. 8, box 1 is still including revolving door 1b, and revolving door 1b articulates and installs the opening side in the place ahead of box 1, and revolving door 1b surface has large tracts of land glass material, the inside bottom of box 1 is provided with sleeve 1c, and sleeve 1c is used for the first straight rod 2b of cartridge mounting bracket 2, the both sides of box 1 are provided with glass curb plate 1d, the bottom of box 1 is provided with clearance mechanism 1e, and clearance mechanism 1e is used for the clearance to collect the bulb piece that the experiment produced, and the bottom of clearance mechanism 1e is provided with stabilizer blade 1f, and stabilizer blade 1f is used for supporting box 1.

It is specific, revolving door 1b and glass curb plate 1d of box 1 adopt the glass material, make things convenient for the staff to observe the inside condition when using, revolving door 1b is opened when the staff installs the bulb, open the inside temperature of refrigerating plant A adjustment box 1 after finishing the bulb installation, can close box 1 this moment and make refrigerating plant A's refrigeration effect quicker, time saving, the operation of adjustment mounting bracket 2 and impact frame 4 all can be accomplished in box 1 outside, the piece of laboratory bulb drops to thermometer 6 from mounting bracket 2, make things convenient for staff direct collection, avoided the staff by the risk of glass piece fish tail in the collection process.

Further, in order to realize that box 1 can realize adjusting mounting bracket 2 and guaranteeing the inside gas tightness of box 1 after revolving door 1b closes, to solve the technical problem that operation mounting bracket 2 leads to the inside cold air of box 1 to scatter and disappear, as shown in fig. 9, be provided with the waist type groove 1d1 of vertical direction on glass curb plate 1d, the second set screw 2f2 of mounting bracket 2 passes waist type groove 1d1 and connects first regulating plate 2f, be provided with sheet rubber 1d2 on the waist type groove 1d1, sheet rubber 1d2 sets up the both sides at waist type groove 1d1 inner wall, and sheet rubber 1d2 obtains one side relatively and is provided with the cockscomb structure opening of laminating each other.

Specifically, the second fixing screw 2f2 is limited in the waist-shaped groove 1d1, so that a worker can directly adjust the position of the first adjusting plate 2f from the outside of the box body 1 by pulling the second fixing screws 2f2 at two ends, when the second fixing screw 2f2 moves in the waist-shaped groove 1d1, the rubber sheet 1d2 is supported by the second fixing screw 2f2, and the rubber sheet 1d2 at the peripheral part of the second fixing screw 2f2 is still overlapped due to the saw-toothed opening arranged on the rubber sheet 1d2, so that the cold air in the box body 1 cannot be dissipated.

Further, in order to realize the purpose that box 1 can collect the bulb piece that the experiment produced automatically, in order to solve the technical problem that the staff manual clearance bulb piece may cause the injury, as shown in fig. 4 and 8, clearance mechanism 1e is including collecting vat 1e1, collecting vat 1e1 sets up the bottom at box 1, collecting vat 1e1 has the chute that inclines all around to the bottom center, the bottom of collecting vat 1e1 is provided with discharge gate 1e2, the below of discharge gate 1e2 articulates there is closing cap 1e 3.

Specifically, when box 1 during operation, the staff closes discharge gate 1e2 that closing cap 1e3 closed clearance mechanism 1e, conveniently collect broken bulb piece when guaranteeing that the inside air conditioning of box 1 does not scatter and disappear, strike frame 4 and strike and lead to the broken messenger of bulb, the piece from the first dull and stereotyped 2a landing of mounting bracket 2 to collecting vat 1e1 in, collecting vat 1e1 makes the piece remove and collects in discharge gate 1e2, after the experiment is accomplished, the staff will collect recovery unit and place in discharge gate 1e2 below, open closing cap 1e3 make the piece count into in the cell-phone recycle bin device can, the staff direct contact bulb piece of having avoided of very big degree, safety to the staff provides the guarantee.

Further, for the purpose of conveniently observing the temperature inside the box body 1, as shown in fig. 8, a thermometer 6 is further installed on the box body 1, and the thermometer 6 is used for detecting and displaying the temperature inside the box body 1.

Specifically, the worker can adjust the power of the refrigeration device a by observing the display data of the thermometer 6, so that the temperature inside the box body 1 is kept stable.

Further, in order to realize the purpose of conveniently taking the weighting piece B and solve the technical problem of integration of the whole experiment, as shown in fig. 10, the upper part of the box body 1 is provided with a limiting column 1g, the weighting piece B is provided with an opening extending towards one side, and the size of the opening is matched with the diameter of the limiting column 1 g.

Specifically, before the use, aggravate piece B and carry out spacingly through the opening cartridge on spacing post 1g, when the use aggravates piece B, aggravate piece B and carry out spacing remain stable through the opening cartridge on base 4B, second straight-bar 4a to aggravating piece B, the existence of spacing post 1g makes aggravate piece B and is convenient for get and put, and the staff can be conveniently to aggravating piece B and adjust, has improved work efficiency.

The working principle of the invention is as follows:

step one, the staff uses this equipment to carry out impact resistance test formula to the bulb, bulb mount pad 3 fixed mounting that will correspond the bayonet socket according to the model of test bulb is in the bottom of mounting bracket 2, and with the inside of mounting bracket 2 cartridge at box 1, during the experiment, adjust refrigerating plant A according to required temperature, refrigerating plant A passes through the inside temperature of pipeline transport feed box 1 inside adjustment box 1 with air conditioning, the staff closes and closes revolving door 1b behind the discharge gate 1e2 that closing closure 1e3 closed clearance mechanism 1 e.

Step two, the worker adjusts the first adjusting plate 2f of the mounting rack 2 to a proper height of 2e through the second fixing screw 2f2, and rotates the rotating sleeve 2f3 to enable the second fixing screw 2f2 and the scale rod 2e to abut against and fix the positions of the scale rod 2e and the first adjusting plate 2 f.

And step three, the worker adjusts the impact frame 4, pulls the limit block 5c of the impact frame locking device 5 to enable the limit block 5c to be close to the first positioning column 5a1, rotates the elastic buckle 5e to enable the elastic buckle 5e to fix the second positioning column 5c1 so as to fix the limit block 5c, the worker can conveniently and freely move the impact frame 4, when the worker adjusts the impact frame 4 to a proper height, the elastic buckle 5e limiting the second positioning column 5c1 is taken down to enable the limit block 5c to be close to the second straight rod 4a of the impact frame 4 under the pulling of the spring 5d, the triangular notch of the limit block 5c limits the second straight rod 4a, and the impact frame 4 is fixed in position through the limit block 5c and the first insertion hole 1 a.

And step four, after the temperature in the box body 1 reaches the test temperature, the worker opens the impact frame locking device 5 to enable the impact frame 4 to freely fall to impact the bulb, the worker records the test data after the test is finished, the falling height of the impact frame 4 can be adjusted according to the requirement or the weighting piece B is placed on the impact frame 4, so that the weight of the impact bulb is changed, and more test data are obtained.

Step five, if the bulb is broken in the testing process, the fragments of the bulb slide down from the first flat plate 2a of the mounting frame 2 to the collecting groove 1e1, the collecting groove 1e1 enables the fragments to move to the discharge port 1e2 to be collected, after the test is completed, a worker places the collecting and recovering device below the discharge port 1e2, and the sealing cover 1e3 is opened to enable the fragments to be counted in the mobile phone recycling station device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A test device for testing impact resistance of a test piece comprises,

the refrigerator comprises a box body (1), wherein the box body (1) is connected with a refrigerating device (A) for adjusting the temperature inside the box body (1) through a pipeline, an impact simulation mechanism for testing a bulb is installed inside the box body (1), and a weighting piece (B) is used for adjusting the impact weight of the impact simulation mechanism;

the mounting rack (2) is fixedly mounted inside the box body (1), and the height of the top end and the height of the bottom of the mounting rack (2) can be accurately adjusted;

the test lamp comprises a bulb mounting seat (3), the bulb mounting seat (3) is fixedly mounted at the bottom of a mounting frame (2), the bulb mounting seat (3) is used for fixing an experimental bulb, and different bayonets of the bulb mounting seat (3) can be replaced according to the model of the test bulb;

the impact frame (4) penetrates through the top of the box body (1) and is inserted into the mounting frame (2), the impact frame (4) is used for impacting a bulb arranged on the bulb mounting seat (3), and the impact frame (4) can be provided with a weighting piece (B) to change the impact weight;

the impact frame locking device (5) is fixedly installed at the top of the box body (1), and the impact frame locking device (5) is used for locking the height position of the impact frame (4).

2. The test device for the impact resistance of the test piece according to claim 1, wherein the mounting frame (2) comprises a first flat plate (2a), the surface of the first flat plate (2a) is provided with an inclined surface inclined from the center to the periphery, a plurality of first straight rods (2b) are arranged on the side surface of the first flat plate (2a), the first straight rods (2b) are inserted into the bottom end of the box body (1), a first fixing plate (2c) is arranged above the first flat plate (2a), and the first fixing plate (2c) fixes the bulb mounting base (3) through first fixing screws (2c 1).

3. The test device for the impact resistance of the test piece according to claim 1, wherein the mounting frame (2) further comprises a first mounting seat (2d), the first mounting seat (2d) is inserted into the first straight rod (2b) of the mounting frame (2), the first mounting seat (2d) has two sides respectively disposed on the first flat plate (2a), the first mounting seat (2d) is provided with a scale rod (2e) extending upward, the surface of the scale rod (2e) is provided with precise scale marks, the scale rod (2e) is inserted with a first adjusting plate (2f), the two sides of the first adjusting plate (2f) are provided with threaded holes (2f1), the threaded holes (2f1) are internally provided with second fixing screws (2f2), the second fixing screws (2f2) penetrate through the box body (1), and the second fixing screws (2f2) are used for fixing the position of the first adjusting plate (2f) on the scale rod (2e), one outward end of the second fixing screw (2f2) is provided with a rotating sleeve (2f3), and the rotating sleeve (2f3) is used for facilitating the rotation of the second fixing screw (2f2) by workers.

4. The test device for the impact resistance of the test piece according to the claim 1 or 3, wherein the impact frame (4) comprises a second straight rod (4a), a base (4B) is arranged below the second straight rod (4a), a weighting piece (B) can be placed on the base (4B), a first inserting hole (1a) is formed in the top of the box body (1), a second inserting hole (2f4) is formed in the center of a first adjusting plate (2f) of the mounting frame (2), a second straight rod (4a) penetrates through the second inserting hole (2f4) and the first inserting hole (1a) and extends to the outside of the box body (1), a handle (4c) is arranged at one end, far away from the base (4b), of the second straight rod (4a), the axes of the second straight rod (4a), the first inserting hole (1a), the second inserting hole (2f4) and the bulb mounting seat (3) are on the same straight line.

5. The test piece impact resistance test device according to claim 1, wherein the impact frame locking device (5) comprises a mounting seat (5a), the mounting seat (5a) is of a rectangular frame structure, the mounting seat (5a) is fixedly mounted on the box body (1), the working range of the mounting seat (5a) comprises a first insertion hole (1a) of the box body (1), a guide rod (5b) is arranged inside the mounting seat (5a), a limiting block (5c) is further mounted on the guide rod (5b), the limiting block (5c) can do reciprocating linear motion along the extension direction of the guide rod (5b), a triangular notch is formed in one side, facing the second rod (4a), of the limiting block (5c) and the limiting block (5c), and one end of the mounting seat (5a) is connected through a straight rod (5d), spring (5d) suit is on guide bar (5b), the one end that first cartridge hole (1a) was kept away from in mount pad (5a) is provided with first reference column (5a1) that extend towards the top, stopper (5c) top is provided with second reference column (5c1) that extend towards the top, strikes frame locking device (5) and still includes elasticity buckle (5e), and the one end cartridge of elasticity buckle (5e) is on first reference column (5a1), and the work end of elasticity buckle (5e) can be fixed second reference column (5c 1).

6. The test piece impact resistance test device according to claim 1, wherein the box body (1) further comprises a rotating door (1b), the rotating door (1b) is hinged to the front opening side of the box body (1), a large area of glass material is arranged on the surface of the rotating door (1b), a sleeve (1c) is arranged at the bottom end of the interior of the box body (1), the sleeve (1c) is used for inserting a first straight rod (2b) of the mounting rack (2), glass side plates (1d) are arranged on two sides of the box body (1), a cleaning mechanism (1e) is arranged at the bottom of the box body (1), the cleaning mechanism (1e) is used for cleaning and collecting bulb fragments generated in an experiment, supporting legs (1f) are arranged at the bottom of the cleaning mechanism (1e), and the supporting legs (1f) are used for supporting the box body (1).

7. The test device for the impact resistance of the test piece according to claim 2 or 6, wherein a vertical waist-shaped groove (1d1) is formed in the glass side plate (1d), a second fixing screw (2f2) of the mounting rack (2) penetrates through the waist-shaped groove (1d1) to be connected with the first adjusting plate (2f), a rubber sheet (1d2) is arranged on the waist-shaped groove (1d1), the rubber sheet (1d2) is arranged on two sides of the inner wall of the waist-shaped groove (1d1), and a zigzag opening which is attached to each other is formed in one side, which is opposite to the rubber sheet (1d2), of the rubber sheet.

8. The test piece impact resistance test device according to claim 6, wherein the cleaning mechanism (1e) comprises a collecting groove (1e1), the collecting groove (1e1) is arranged at the bottom end of the box body (1), the collecting groove (1e1) is provided with a chute with four circumferential inclined bottom centers, the bottom end of the collecting groove (1e1) is provided with a discharge port (1e2), and a closing cover (1e3) is hinged below the discharge port (1e 2).

9. The test piece impact resistance test device according to claim 1, wherein a thermometer (6) is further mounted on the box body (1), and the thermometer (6) is used for detecting and displaying the temperature inside the box body (1).

10. The test device for testing the impact resistance of the test piece according to claim 1, wherein a limit column (1g) is arranged at the upper part of the box body (1), the weighting piece (B) is provided with an opening extending towards one side, and the size of the opening is matched with the diameter of the limit column (1 g).