CN113390594B

CN113390594B - Test piece impact resistance test device

Info

Publication number: CN113390594B
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: 2023-01-03
Anticipated expiration: 2041-04-12
Also published as: CN113390594A

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 various variables of the impact resistance of a bulb,

in order to achieve the purpose, the invention adopts the technical scheme that:

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 height of 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 and installed on the installation frame, the impact frame is used for impacting a bulb installed on the bulb installation seat, and the impact frame can be used for placing a weighting piece to change 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 rack further comprises a first mounting seat, the first mounting seat is inserted into a first straight rod of the mounting rack, the first mounting seat is provided with two sides which are arranged on a first flat plate respectively, the first mounting seat is provided with a scale rod extending towards the upper side, the surface of the scale rod is provided with accurate scale marks, the scale rod is inserted with a first adjusting plate, two sides of the first adjusting plate are provided with threaded holes, second fixing screws are spirally arranged in the threaded holes and penetrate through the box body, the second fixing screws are used for fixing the positions of the first adjusting plate on the scale rod, one outward end of each second fixing screw is provided with a rotating sleeve, and the rotating sleeves are used for facilitating workers to rotate the second fixing screws.

Preferably, the impact frame comprises a second straight rod, a base is arranged below the second straight rod, the base can be provided with a weighting piece, 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 and extends 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, strike a locking device including the mount pad, the mount pad is the rectangular frame structure, on the mount pad fixed mounting box, the working range of mount pad contains the first cartridge hole of box, and the inside of mount pad is provided with the guide bar, still install the stopper on the guide bar, the stopper can be followed the guide bar extending direction and be reciprocal linear motion, stopper and stopper one side that the stopper is towards the second straight-bar is provided with the triangle-shaped breach, spring coupling is passed through with the one end of mount pad to the stopper, and the spring suit is on the guide bar, the one end that first cartridge hole was kept away from to the mount pad is provided with the first reference column that extends towards the top, the stopper top is provided with the second reference column that extends towards the top, strikes a locking device and still includes the elasticity buckle, and the one end cartridge of elasticity buckle is on first reference column, and the work end of elasticity buckle can fix the second reference 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, the cleaning mechanism comprises a collecting tank, the collecting tank is arranged at the bottom end of the box body and provided with chutes inclined towards the center of the bottom, a discharge port is arranged at the bottom end of the collecting tank, and a closed cover is hinged below the discharge port.

Preferably, a thermometer is further installed on the case, and the thermometer is used for detecting and displaying the temperature inside the case.

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 following beneficial effects:

1. the box body of the invention is directly connected with the refrigerating device for adjusting the internal temperature of the box body, and the weighting pieces can be directly placed on the box body, thereby realizing the integration of equipment, leading workers not to be required to search corresponding equipment, saving time and improving working efficiency.

2. The mounting rack can adjust the height, so that the impact rack can perform impact tests on the bulbs from different heights, and the 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, so that the experimental variable is increased, and the data is 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 isbase:Sub>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-shaped groove; 1d 2-rubber sheet; 1 e-a cleaning mechanism; 1e 1-a holding 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-a 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-a second plug-in 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; 5a 1-a first positioning post; 5 b-a guide bar; 5 c-a limiting block; 5c 1-a second locating 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 regulating the temperature in the box body 1 through a pipeline, an impact simulation mechanism for testing bulbs is arranged in the box body 1, and a weighting piece B is used for regulating 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 seat 3 is fixedly mounted at the bottom of the mounting frame 2, the bulb mounting seat 3 is used for fixing an experimental bulb, and different bayonets can be replaced by the bulb mounting seat 3 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, the staff uses this equipment to carry out impact resistance test formula to the bulb, bulb mount pad 3 fixed mounting who will correspond the bayonet socket according to the model of testing the bulb is in the bottom of mounting bracket 2, and with mounting bracket 2 cartridge in the inside of box 1, during the experiment, adjust refrigerating plant A according to required temperature, refrigerating plant A passes through the inside temperature of pipe conveyance feed box 1 inside adjustment box 1 with air conditioning, the staff adjusts mounting bracket 2 to suitable height, remove the impact frame 4 of cartridge on mounting bracket 2, make the distance of impact frame 4 wait to one section distance in top, use the high locking of impact frame 4 of impact frame locking device 5 that sets up on box 1 top, wait after the inside temperature of box reachs the test temperature, the staff opens impact frame locking device 5 and makes impact frame 4 descend freely to strike the bulb, the back staff record test data after the test finishes, can be according to the demand adjust the height of impact frame 4 or place on impact frame 4 and add weight piece B, thereby change the bulb weight of impact frame, obtain more test data.

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, with the technical problem that the piece that the broken production of bulb remains on mounting bracket 2 and bulb mount pad 3 and influences equipment operation 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 the inclined plane of inclining to all around by the center, a plurality of first straight poles 2b of side play of first flat board 2a, first straight pole 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 the connected mode of box 1 that first straight pole 2b can not influence glass piece entering box 1.

Further, in order to realize that the mounting bracket 2 can make the impact frame 4 carry out the purpose of accurate regulation descending height, in order to solve the technical problem that the impact height of the impact frame 4 can not be measured accurately, as shown in fig. 5, the mounting bracket 2 further comprises a first mounting seat 2d, the first mounting seat 2d cartridge is on the first straight rod 2b of the mounting bracket 2, the first mounting seat 2d has two both sides that set up respectively at the first flat plate 2a, be provided with the scale rod 2e that extends towards the top on the first mounting seat 2d, the surface of scale rod 2e is provided with accurate scale mark that obtains, the cartridge has first regulating plate 2f on the scale rod 2e, the both sides of first regulating plate 2f are provided with screw hole 2f1, screw hole 2f1 in-thread installation has second fixed screw 2f2, second fixed screw 2f2 passes box 1, second fixed screw 2f2 is used for fixing the position of first regulating plate 2f on scale rod 2e, second fixed screw 2f is provided with swivel sleeve 2f3 towards the outer one end, second fixed screw 2f3 is used for facilitating the second swivel sleeve 2f3 to rotate the staff.

Concretely, the staff mediates the cartridge and after first regulating plate 2f on scale bar 2e to suitable height, revolves, and the second fixed screw 2f2 of first regulating plate 2f both sides cartridge in screw hole 2f1 makes thereby second fixed screw 2f2 contradict the position of fixed first regulating plate 2f with scale bar 2e, and the staff is through rotatory second fixed screw 2f2 that overlaps 2f3 can be more convenient.

Further, in order to achieve the purpose that the weight adding piece B can be placed on the impact frame 4 and the impact frame 4 can directionally impact the bulb on the bulb mounting seat 3, so as to solve the technical problems that the impact weight of the impact frame 4 is adjustable and the moving direction of the impact frame 4 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, the weight adding 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, the second straight rod 4a penetrates through the second inserting hole 2f4 and the first inserting hole 1a to extend to the outside of the box body 1, a handle 4c is arranged at one end, away from the base 4B, of the second straight rod 4a, the first inserting hole 1a, the second inserting hole 2f4 and the bulb mounting seat 3 are located 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 second straight rod 4a, the first insertion hole 1a, the second insertion hole 2f4 and the bulb mounting seat 3 are located on the same straight line, so that the base 4B can be accurately acted on a bulb mounted on the bulb mounting seat 3, the weighting pieces B with different numbers are placed on the base 4B of the impact frame 4, the impact weight of the impact frame 4 on the bulb can be changed, the impact frame 4 can freely move in the second insertion hole 2f4, the height of the base 4B can be adjusted by the operator grasping the handle 4c, 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 solve the technical problem that it is inconvenient for a worker to hold and fix the impact frame 4 before releasing the impact frame 4, as shown in fig. 7, the impact frame locking device 5 includes an installation seat 5a, the installation seat 5a is of a rectangular frame structure, the installation seat 5a is fixedly installed on the box body 1, the working range of the installation seat 5a includes a first insertion hole 1a of the box body 1, a guide rod 5b is arranged inside the installation seat 5a, a limiting block 5c is further installed on the guide rod 5b, the limiting block 5c can do reciprocating linear motion along the extending direction of the guide rod 5b, triangular notches are arranged on the limiting block 5c and the limiting block 5c on the side, facing the second insertion hole 4a, of the limiting block 5c is connected with one end of the installation seat 5a through a spring 5d, the spring 5d is sleeved on the guide rod 5b, a first positioning column 5a extending towards the upper side of the second insertion hole 1a first positioning column 5a is arranged on the installation seat 5a side, a second positioning column 5c is arranged on the elastic clamping buckle 5e, and a second positioning column 5e is arranged on the elastic straight rod 5e, and the elastic clamp 5e is arranged on the elastic clamping device and the installation seat 5a fixing clamp 5a fixing post.

Specifically, when the staff adjusts and strikes frame 4, the stopper 5c of the impact frame locking device 5 is struck in the pulling, make 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 remove and strike frame 4, when the staff will strike frame 4 adjustment 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 place ahead opening side at 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-bar 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, the revolving door 1b and the glass curb plate 1d of box 1 adopt the glass material, make things convenient for the staff to observe the inside condition when using, open revolving door 1b when the staff installs the bulb, open the inside temperature of refrigerating plant A adjustment box 1 after finishing the bulb installation, can close 1 messenger refrigerating plant A's of box refrigeration effect rapider this moment, time saving, the operation of adjustment mounting bracket 2 and impact frame 4 all can be accomplished in 1 outsides of box, the piece of laboratory bulb drops to the thermometer 6 in 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 purpose of 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 air conditioning of box 1 to scatter and disappear, as shown in fig. 9, be provided with the waist type groove 1d1 of vertical direction on the glass curb plate 1d, the second fixed screw 2f2 of mounting bracket 2 passes waist type groove 1d1 and connects first regulating plate 2f, be provided with rubber piece 1d2 on the waist type groove 1d1, rubber piece 1d2 sets up in the both sides of waist type groove 1d1 inner wall, and rubber piece 1d2 obtains one side relatively and is provided with the cockscomb structure opening of laminating each other.

Specifically, second fixed screw 2f2 is spacing in waist type groove 1d1, make the staff can directly realize the position from the first regulating plate 2f of 1 outside adjustment of box through pulling both ends second fixed screw 2f2, when second fixed screw 2f2 moves in waist type groove 1d1, rubber sheet 1d2 is propped open by second fixed screw 2f2, because rubber sheet 1d2 is provided with the cockscomb structure opening, make the peripheral position rubber sheet 1d2 of second fixed screw 2f2 still keep the coincidence, thereby guarantee that the inside air conditioning of box 1 can not scatter and disappear.

Further, in order to realize the purpose that box 1 can automatically collect the bulb piece that the experiment produced to solve the technical problem that the manual clearance bulb piece of staff probably caused the injury, as shown in fig. 4 and 8, clearance mechanism 1e is including collecting vat 1e1, and collecting vat 1e1 sets up the bottom at box 1, and collecting vat 1e1 has the chute that inclines all around to bottom center, and the bottom of collecting vat 1e1 is provided with discharge gate 1e2, and the below of discharge gate 1e2 articulates there is closing cap 1e3.

Specifically, when box 1 during operation, the staff closes the discharge gate 1e2 that closing cap 1e3 seals clearance mechanism 1e, guarantee that the inside air conditioning of box 1 does not scatter and disappear conveniently collects broken bulb piece, strike frame 4 and strike and lead to the broken messenger of bulb, piece from the first flat plate 2a landing of mounting bracket 2 to in collecting vat 1e1, collecting vat 1e1 makes the piece remove to collecting in discharge gate 1e2, after the experiment is accomplished, the staff will collect recovery unit and place in discharge gate 1e2 below, it can to open closing cap 1e3 and make the piece count into the cell-phone recycle station device, 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 apparatus 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 on 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 adjusted aggravating piece B, 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, will correspond the bulb mount pad 3 fixed mounting of bayonet socket in the bottom of mounting bracket 2 according to the model of testing the bulb, 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 pipe conveyance entering box 1 inside adjustment box 1 with air conditioning, the staff closes revolving door 1b after closing closure 1e3 and sealing discharge gate 1e2 of clearance mechanism 1 e.

Step two, the staff adjusts the first regulating plate 2f of mounting bracket 2 to 2e suitable height through second fixed screw 2f2, and rotatory swivel sleeve 2f3 makes second fixed screw 2f2 contradict with scale rod 2e and fixes the position of scale rod 2e and first regulating plate 2 f.

And step three, the worker adjusts the impact frame 4, pulls the limiting block 5c of the impact frame locking device 5 to enable the limiting 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 limiting 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 limiting 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 limiting block 5c limits the second straight rod 4a, and the impact frame 4 is fixed in position through the limiting 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 weight adding 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 appears broken in the test process, the bulb fragments slide down to the collecting groove 1e1 from the first flat plate 2a of the mounting rack 2, the collecting groove 1e1 enables the fragments to move to the discharging port 1e2 to be collected, after the test is completed, a worker places the collecting and recycling device below the discharging port 1e2, and opens the sealing cover 1e3 to enable the fragments to be counted into the mobile phone recycling station device.

The foregoing shows and describes the general principles, principal 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 the 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 device comprises a bulb mounting seat (3), wherein 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 can be replaced by the bulb mounting seat (3) 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;

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);

the mounting frame (2) comprises a first flat plate (2 a), the surface of the first flat plate (2 a) is provided with an inclined plane which inclines from the center to the periphery, a plurality of first straight rods (2 b) are arranged on the side surface of the first flat plate (2 a), the first straight rods (2 b) are inserted into the bottom end of the box body (1), a first fixing plate (2 c) is arranged above the first flat plate (2 a), and the first fixing plate (2 c) fixes the bulb mounting seat (3) through first fixing screws (2 c 1);

the mounting rack (2) further comprises a first mounting seat (2 d), the first mounting seat (2 d) is inserted on a first straight rod (2 b) of the mounting rack (2), the first mounting seat (2 d) is provided with two sides which are respectively arranged on a first flat plate (2 a), a scale rod (2 e) extending upwards is arranged on the first mounting seat (2 d), the surface of the scale rod (2 e) is provided with a precise scale mark, a first adjusting plate (2 f) is inserted on the scale rod (2 e), threaded holes (2 f 1) are arranged on two sides of the first adjusting plate (2 f), second fixing screws (2 f 2) are spirally arranged in the threaded holes (2 f 1), the second fixing screws (2 f 2) penetrate through the box body (1), the second fixing screws (2 f 2) are used for fixing the positions of the first adjusting plate (2 f) on the scale rod (2 e), and rotating sleeves (2 f 3) are arranged at one ends, facing outwards, of the second fixing screws (2 f 2), and are convenient for workers to rotate the second fixing screws (2 f 3);

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

impact a frame locking device (5) including mount pad (5 a), mount pad (5 a) are the rectangular frame structure, on mount pad (5 a) fixed mounting box (1), the working range of mount pad (5 a) contains first cartridge hole (1 a) of box (1), the inside of mount pad (5 a) is provided with guide bar (5 b), still install stopper (5 c) on guide bar (5 b), stopper (5 c) can be along guide bar (5 b) extending direction reciprocating linear motion, stopper (5 c) and stopper (5 c) one side towards second straight-bar (4 a) is provided with the triangle-shaped breach, stopper (5 c) and the one end of mount pad (5 a) are passed through spring (5 d) and are connected, spring (5 d) suit is on guide bar (5 b), the one end that first cartridge hole (1 a) was kept away from to mount pad (5 a) is provided with the first positioning column (5 a1 a) that extend towards the top, the one end that stopper (5 c) was provided with second positioning column (5 e) and the elastic fastening buckle (5 e) that can extend towards second straight-bar (5 a), the elastic mounting device (5 a) is including the elastic fastener (5 e) that the elastic fastening post (5 a) was gone up.

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

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

4. The test device for the impact resistance of the test piece according to claim 2, wherein the cleaning mechanism (1 e) comprises a collecting tank (1 e 1), the collecting tank (1 e 1) is arranged at the bottom end of the box body (1), the collecting tank (1 e 1) is provided with a chute with the periphery inclined towards the center of the bottom, a discharge hole (1 e 2) is arranged at the bottom end of the collecting tank (1 e 1), and a closing cover (1 e 3) is hinged below the discharge hole (1 e 2).

5. 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).

6. The test device for testing the impact resistance of the test piece according to claim 1, wherein a limit column (1 g) 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).