CN217277329U - Pendulum impact testing machine - Google Patents

Pendulum impact testing machine Download PDF

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Publication number
CN217277329U
CN217277329U CN202220176528.4U CN202220176528U CN217277329U CN 217277329 U CN217277329 U CN 217277329U CN 202220176528 U CN202220176528 U CN 202220176528U CN 217277329 U CN217277329 U CN 217277329U
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sample
screw rod
pendulum impact
pendulum
impact tester
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田一烽
黄强
童鹏飞
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Ningbo Sanjiang Testing Co ltd
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Ningbo Sanjiang Testing Co ltd
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Abstract

The application discloses pendulum impact testing machine relates to the experimental technical field of material, improves when experimenting the sample of co-altitude, and the central point of sample puts and has the difference, can not guarantee the problem that pendulum and sample's center carry out the collision, place the board including base, experimental hammer, bottom plate, U type seat and sample, the cavity has all been seted up to the inside of U type seat both sides, the internal rotation of cavity installs the screw rod, the lower extreme of screw rod is connected with actuating mechanism, the surperficial threaded connection of screw rod has the lifter, the lifter places board fixed connection through connecting block and sample. This application places board, screw rod, actuating mechanism, elevator and connecting block's setting through U type seat, sample, can use actuating mechanism to drive the screw rod and rotate, makes the elevator drive the sample and places the board and go up and down to can put the central point according to the altitude mixture control sample of sample, make the pendulum can collide with the center of sample, reduce experimental error.

Description

Pendulum impact testing machine
Technical Field
The application relates to the field of material tests, in particular to a pendulum impact testing machine.
Background
The impact performance test is a test method for measuring the impact strength of a material under the action of an impact load, the cantilever beam impact test is a test method for measuring the brittleness or the toughness of the material, and the pendulum impact tester is used for detecting the impact resistance performance of a metal material and a non-metal material under a dynamic load so as to judge the property of the material under the dynamic load, and is specially suitable for accurately measuring the pendulum impact resistance performance of materials such as plastic films, thin sheets, composite films, metal foils and the like.
A pendulum impact force testing machine is a material testing machine for applying impact testing force to a sample to perform impact testing, when the sample is tested, the sample is firstly fixed on a sample table, then the pendulum is rotated to different heights to change the impact force of the pendulum, and the pendulum collides with the center of the sample after falling down, so that the sample is subjected to the impact testing.
In the process of implementing the present application, the inventor finds that at least the following problems exist in the technology, because the height of the sample placing table of the existing pendulum impact force testing machine is fixed, when the samples with different heights are tested, the central positions of the samples are different, and the pendulum impact with the center of the sample cannot be guaranteed, so that the test result has errors, and therefore, the pendulum impact force testing machine is provided.
SUMMERY OF THE UTILITY MODEL
In order to improve when testing the sample of co-altitude, there is the difference in the central point of sample position, can not guarantee that the pendulum carries out the problem of colliding with the center of sample, this application provides a pendulum impact testing machine.
The application provides a pendulum impact testing machine adopts following technical scheme:
a pendulum impact testing machine comprises a base and a testing hammer arranged on the base, wherein a bottom plate is fixedly arranged at the top of the base below the testing hammer, a U-shaped seat is fixedly arranged at the top of the bottom plate, and sample placing plates are arranged on two sides of the U-shaped seat;
the cavity has all been seted up to the inside of U type seat both sides, the inside rotation of cavity installs the screw rod, the lower extreme of screw rod is connected with actuating mechanism, the surperficial threaded connection of screw rod has the elevator, the elevator places board fixed connection through connecting block and sample.
Through adopting above-mentioned technical scheme, when using, place the sample on the board is placed to the sample, if the central point of sample puts when discordance with the pendulum, can use actuating mechanism to drive the screw rod and rotate, make the screw rod drive the vertical motion of lifter, make the lifter drive the sample through the connecting block and place the board and go up and down, place the height of board and adjust to the sample to can be to the central point according to the altitude mixture control sample of sample, make the pendulum can collide with the center of sample, reduce experimental error.
Optionally, the top of the base is fixedly provided with protective nets on two sides of the test hammer.
Through adopting above-mentioned technical scheme, the protection network can play the guard action to the sample piece, reduces the condition that the piece splashes everywhere.
Optionally, a nylon base plate is fixedly connected to the upper surface of the sample placing plate.
Through adopting above-mentioned technical scheme, the nylon backing plate has higher mechanical strength and impact resistance, can strengthen the sample and place the life of board.
Optionally, the driving mechanism includes a motor mounted on an outer side wall of the U-shaped seat, a master gear mounted at an output end of the motor, and a slave gear mounted at a lower end of the screw, and the master gear is engaged with the slave gear.
By adopting the technical scheme, when the electric screw driver is used, the motor can be started to drive the main gear to rotate, so that the main gear drives the driven gear to rotate, and the driven gear drives the screw to rotate.
Optionally, a limiting rod parallel to the screw rod is fixedly installed inside the cavity, and the lifting block is sleeved on the limiting rod in a sliding manner.
Through adopting above-mentioned technical scheme, through the setting of gag lever post, when the screw rod rotated, the gag lever post can play limiting displacement to the elevator.
Optionally, the inner side wall of the cavity is provided with a sliding hole penetrating through the U-shaped seat, and the connecting block is connected in the sliding hole in a sliding manner.
Through adopting above-mentioned technical scheme, through the setting of slide opening, can play limiting displacement to the connecting block, improve the stability of connecting block.
Optionally, a limiting groove is formed in one side of the U-shaped seat, a limiting block is fixedly connected to the inner side wall of the sample placing plate, and the limiting block is connected to the limiting groove in a sliding mode.
Through adopting above-mentioned technical scheme, through the cooperation of spacing groove and stopper, can place the board to the sample and play limiting displacement, improve the sample and place the stability of board.
Optionally, a reinforcing plate is fixedly installed between one side of the U-shaped seat, which is far away from the sample placing plate, and the upper surface of the bottom plate.
Through adopting above-mentioned technical scheme, through the setting of reinforcing plate, can play the support additional strengthening to U type seat, improve the structural stability of U type seat.
In summary, the present application has the following beneficial effects:
1. according to the test platform, the U-shaped seat, the sample placing plate, the screw rod, the driving mechanism, the lifting block and the connecting block are arranged, if the central position of the sample is not compared with the pendulum bob, the driving mechanism can be used for driving the screw rod to rotate, so that the screw rod drives the lifting block to vertically move, the lifting block drives the sample placing plate to lift through the connecting block, the height of the sample placing plate is adjusted, the central position of the sample can be adjusted according to the height of the sample, the pendulum bob can collide with the center of the sample, and experimental errors are reduced;
2. this application is through the setting of nylon backing plate, because the nylon backing plate has higher mechanical strength and impact resistance, can strengthen the sample and place the life of board, through the setting of reinforcing plate, can play the support additional strengthening to U type seat, improves the structural stability of U type seat.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a perspective view of a U-shaped seat of the present application;
FIG. 3 is a schematic sectional front view of the U-shaped seat of the present application;
FIG. 4 is a schematic top sectional view of the U-shaped seat of the present application.
Description of reference numerals:
1. a base; 2. testing hammers; 3. a base plate; 4. a U-shaped seat; 5. a sample placing plate; 6. a cavity; 7. a screw; 8. a drive mechanism; 801. a motor; 802. a main gear; 803. a slave gear; 9. a lifting block; 10. connecting blocks; 11. a protective net; 12. a nylon backing plate; 13. a limiting rod; 14. a slide hole; 15. a limiting groove; 16. a limiting block; 17. a reinforcing plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Referring to fig. 1-2, a pendulum impact testing machine, includes base 1 and the experimental hammer 2 of installing on base 1, experimental hammer 2 is used for carrying out the impact test to the material, base 1 top is located the below fixed mounting of experimental hammer 2 and is had bottom plate 3, the four corners of bottom plate 3 all is provided with the bolt, bottom plate 3 passes through bolt fixed mounting on base 1, the top fixed mounting of bottom plate 3 has U type seat 4, the both sides of U type seat 4 all are provided with the sample and place board 5, the sample is placed board 5 and is the L template of level setting, sample is placed board 5 and is used for placing the sample. The upper surface fixed connection that board 5 was placed to the sample has nylon backing plate 12, and nylon backing plate 12 has higher mechanical strength and impact resistance, can strengthen the sample and place the life of board 5.
U type seat 4 keeps away from between one side that the sample placed board 5 and the upper surface of bottom plate 3 fixed mounting have reinforcing plate 17, and reinforcing plate 17 is the set-square, through the setting of reinforcing plate 17, can play the support additional strengthening to U type seat 4, improves U type seat 4's structural stability. The equal fixed mounting in both sides that base 1 top is located experimental hammer 2 has protection network 11, through the setting of protection network 11, can play the guard action to the sample piece, reduces the condition that the piece splashes everywhere.
Referring to fig. 3 and 4, cavities 6 are formed in the two sides of the U-shaped seat 4, screws 7 are rotatably installed in the cavities 6, the screws 7 are vertically arranged, and the lower ends of the screws 7 are connected with a driving mechanism 8, wherein the driving mechanism 8 includes a motor 801 installed on the outer side wall of the U-shaped seat 4, a main gear 802 installed at the output end of the motor 801, and a driven gear 803 installed at the lower end of the screws 7, the main gear 802 is meshed with the driven gear 803, and when in use, the motor 801 can be started to drive the main gear 802 to rotate, so that the main gear 802 drives the driven gear 803 to rotate, and the driven gear 803 drives the screws 7 to rotate.
Referring to fig. 3 and 4, screw 7's surperficial threaded connection has elevator 9, the inside fixed mounting of cavity 6 has gag lever post 13 that parallels with screw 7, elevator 9 slides and cup joints on gag lever post 13, elevator 9 places board 5 fixed connection through connecting block 10 and sample, slide opening 14 that runs through U type seat 4 is seted up to the inside wall of cavity 6, connecting block 10 sliding connection is in slide opening 14, setting through slide opening 14, can play limiting displacement to connecting block 10, improve connecting block 10's stability.
When screw rod 7 rotates, gag lever post 13 can play limiting displacement to elevator 9, makes elevator 9 along screw rod 7's length direction vertical motion, makes elevator 9 drive the sample through connecting block 10 and places board 5 and go up and down, places the high regulation of board 5 to the sample to can be to the central point of the altitude mixture control sample according to the sample put, make the pendulum can collide with the center of sample, reduce experimental error.
Referring to fig. 2 and 3, spacing groove 15 has been seted up to one side of U type seat 4, and spacing groove 15 is vertical layout, and the inside wall fixedly connected with stopper 16 of board 5 is placed to the sample, and stopper 16 sliding connection is in spacing groove 15, through the cooperation of spacing groove 15 with stopper 16, can place board 5 and play limiting displacement to the sample, improves the sample and places the stability of board 5.
The application has the implementation principle that: when the device is used, a sample is placed on the sample placing plate 5, if the central position of the sample is not compared with a pendulum bob, the starting motor 801 can drive the main gear 802 to rotate, the main gear 802 drives the slave gear 803 to rotate, the slave gear 803 drives the screw 7 to rotate, when the screw 7 rotates, the limiting rod 13 can limit the lifting block 9, the screw 7 drives the lifting block 9 to vertically move, the lifting block 9 drives the sample placing plate 5 to lift through the connecting block 10, the height of the sample placing plate 5 is adjusted, the central position of the sample can be adjusted according to the height of the sample, the pendulum bob can collide with the center of the sample, and experimental errors are reduced.
Through the setting of slide opening 14, can play limiting displacement to connecting block 10, improve the stability of connecting block 10, cooperation through spacing groove 15 and stopper 16, can place board 5 to the sample and play limiting displacement, improve the stability that board 5 was placed to the sample, thereby it is more stable when receiving vibrations to make the sample place board 5, through the setting of nylon backing plate 12, nylon backing plate 12 has higher mechanical strength and shock resistance, can strengthen the sample and place the life of board 5, through the setting of reinforcing plate 17, can play the support additional strengthening to U type seat 4, improve the structural stability of U type seat 4, through the setting of protection network 11, can play the guard action to the sample piece, reduce the condition that the piece splashes everywhere.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a pendulum impact tester, includes base (1) and installs test hammer (2) on base (1), its characterized in that: a bottom plate (3) is fixedly arranged at the top of the base (1) below the test hammer (2), a U-shaped seat (4) is fixedly arranged at the top of the bottom plate (3), and sample placing plates (5) are arranged on two sides of the U-shaped seat (4);
cavity (6) have all been seted up to the inside of U type seat (4) both sides, the inside rotation of cavity (6) installs screw rod (7), the lower extreme of screw rod (7) is connected with actuating mechanism (8), the surperficial threaded connection of screw rod (7) has elevator (9), elevator (9) are through connecting block (10) and sample place board (5) fixed connection.
2. A pendulum impact tester according to claim 1, wherein: the top of the base (1) is positioned at two sides of the test hammer (2) and is fixedly provided with a protective net (11).
3. A pendulum impact tester according to claim 1, wherein: the upper surface of the sample placing plate (5) is fixedly connected with a nylon base plate (12).
4. A pendulum impact tester according to claim 1, wherein: the driving mechanism (8) comprises a motor (801) arranged on the outer side wall of the U-shaped seat (4), a main gear (802) arranged at the output end of the motor (801) and a driven gear (803) arranged at the lower end of the screw rod (7), and the main gear (802) is meshed with the driven gear (803).
5. A pendulum impact tester according to claim 1, wherein: the inside fixed mounting of cavity (6) has gag lever post (13) that parallels with screw rod (7), elevator (9) slip cup joint on gag lever post (13).
6. A pendulum impact tester according to claim 1, wherein: the inner side wall of the cavity (6) is provided with a sliding hole (14) penetrating through the U-shaped seat (4), and the connecting block (10) is connected in the sliding hole (14) in a sliding mode.
7. A pendulum impact tester according to claim 1, wherein: limiting groove (15) have been seted up to one side of U type seat (4), inside wall fixedly connected with stopper (16) of board (5) are placed to the sample, stopper (16) sliding connection is in limiting groove (15).
8. A pendulum impact tester according to claim 1, wherein: and a reinforcing plate (17) is fixedly arranged between one side of the U-shaped seat (4) far away from the sample placing plate (5) and the upper surface of the bottom plate (3).
CN202220176528.4U 2022-01-21 2022-01-21 Pendulum impact testing machine Active CN217277329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220176528.4U CN217277329U (en) 2022-01-21 2022-01-21 Pendulum impact testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220176528.4U CN217277329U (en) 2022-01-21 2022-01-21 Pendulum impact testing machine

Publications (1)

Publication Number Publication Date
CN217277329U true CN217277329U (en) 2022-08-23

Family

ID=82902690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220176528.4U Active CN217277329U (en) 2022-01-21 2022-01-21 Pendulum impact testing machine

Country Status (1)

Country Link
CN (1) CN217277329U (en)

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