CN211179359U

CN211179359U - Convenient type cantilever beam impact testing machine

Info

Publication number: CN211179359U
Application number: CN201922061488.XU
Authority: CN
Inventors: 魏丰; 梁亚洁; 王亚鸽
Original assignee: Luoyang Liming Testing Service Co ltd
Current assignee: Luoyang Liming Testing Service Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-04
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a portable cantilever beam impact testing machine, belonging to the field of material detection equipment, the utility model discloses a test sample clamp, including the organism, be equipped with the sample anchor clamps of centre gripping sample on the organism, the sample anchor clamps include the fixed block, first clamp splice and second clamp splice, first clamp splice and fixed block fixed connection, second clamp splice and fixed block sliding connection, the second clamp splice is connected with the driving piece that the drive second clamp splice is close to or keeps away from first clamp splice, one side that first clamp splice and second clamp splice are close to the sample all is equipped with the lifter plate, the lifter plate is connected with the lifting unit that the drive lifter plate reciprocated, the lifter assembly includes lead screw and screw, the lead screw rotates with first clamp splice or second clamp splice to be connected, the screw cover is established on the lead screw with lead screw threaded connection, screw and lifter plate fixed connection, reach the height that can adjust the sample anchor clamps, so that the effect of the sample of not co-altitude is tested.

Description

Convenient type cantilever beam impact testing machine

Technical Field

The utility model relates to a material check out test set field, in particular to convenient type cantilever beam impact tester.

Background

The cantilever beam impact tester is a device for measuring the impact toughness of non-metallic materials. Cantilever beam impact testing machines are one of the most commonly used impact testing machines on the market today. The device is mainly used for measuring the impact toughness of nonmetal materials such as hard plastics, reinforced nylon, glass fiber reinforced plastics, ceramics, cast stone, electric insulating materials and the like, and is ideal test equipment for quality detection in chemical industry, scientific research units, colleges and universities and the like.

Among the prior art, cantilever impact tester is generally including supporting the base, the support frame, the cantilever, pendulum and sample anchor clamps, and sample anchor clamps are connected with the support base for the centre gripping sample that awaits measuring, support frame and support base fixed connection, the one end of cantilever is rotated with the top of support frame and is connected, the other end and pendulum fixed connection, when carrying out the sample test, after cutting a breach with the sample that awaits measuring, through the sample anchor clamps with the sample centre gripping, then, the cantilever drives the pendulum swing, hits the test to the sample.

However, when the cantilever impact tester is used for testing, because the heights of the cantilever and the sample clamp on the cantilever impact tester cannot be adjusted, in order to ensure normal testing, the length of the sample needs to be adjusted during testing, and especially, the sample needs to be replaced for a sample with a shorter length, so that the cantilever impact tester is inconvenient for testing samples with different lengths and is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a convenient type cantilever beam impact tester reaches the height that can adjust sample anchor clamps to in the effect of the sample of test co-altitude not.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a convenient type cantilever beam impact tester, which comprises a bod, be equipped with the sample anchor clamps of centre gripping sample on the organism, the sample anchor clamps include the fixed block, first clamp splice and second clamp splice, first clamp splice and fixed block fixed connection, second clamp splice and fixed block sliding connection, the second clamp splice is connected with the driving piece that the drive second clamp splice is close to or keeps away from first clamp splice, one side that first clamp splice and second clamp splice are close to the sample all is equipped with the lifter plate, the lifter plate is connected with the lifting unit that the drive lifter plate reciprocated, the lifting unit includes lead screw and screw, the lead screw rotates with first clamp splice or second clamp splice to be connected, the screw cover is established on the lead screw with lead screw threaded connection, screw and lifter plate fixed connection.

By adopting the technical scheme, the sample is placed between the first clamping block and the second clamping block, the driving piece drives the second clamping block to move towards the direction close to the first clamping block, and the first clamping block and the second clamping block are matched to clamp the sample, so that the sample can be conveniently subjected to impact test; the lifting plate is arranged on one side, opposite to the first clamping block and the second clamping block, of the sample, when the length of the sample is short, the screw rod rotates to drive the screw nut to move along the screw rod, so that the lifting plate is driven to move upwards, namely, the clamping height is increased, the sample with short length is clamped through the lifting plate, a pendulum bob can knock the sample, the sample is hit, the test can be performed without replacing the sample with long length, the use is more convenient, the convenience in actual use is improved, and meanwhile, the waste of the sample can be reduced;

the height of the lifting plate is adjusted by matching the lead screw and the nut, stepless adjustment can be realized, the use convenience is further improved, and the lifting plate is suitable for samples with different lengths; in addition, the lead screw has a self-locking function, can effectively prevent the lifting plate from sliding downwards, and improves the stability of the lifting plate, thereby improving the clamping stability of the sample.

The utility model discloses further set up to, the top surface of first clamp splice has been seted up and has been held the groove, holds the supporting component that the inslot was equipped with the support lifter plate.

By adopting the technical scheme, when the lifting plate does not need to be heightened, the supporting component is placed in the containing groove, so that the pendulum bob is prevented from knocking the supporting component in the swinging process; when the lifter plate needs to be heightened, the supporting component is taken out from the containing groove, the lifter plate is supported, the stability of the lifter plate is increased, and the clamping stability of the lifter plate on a sample is improved.

This practicality further sets up as, supporting component includes bracing piece and locking bolt, and the bracing piece inlays in holding the inslot, and one end is connected with holding the inslot wall rotation, the other end and locking bolt threaded connection, and locking bolt passes behind the bracing piece and lifter plate threaded connection.

Through adopting above-mentioned technical scheme, when supporting the lifter plate, rotate the bracing piece, with the one end and the lifter plate butt of bracing piece, rethread locking bolt is with bracing piece and lifter plate fixed connection, and the bracing piece supports the lifter plate, increases the joint strength of bracing piece and screw, reduces the cracked condition of junction of screw and lifter plate.

The utility model discloses further set up to, be equipped with the subassembly that slides between lifter plate and the first clamp splice, the subassembly that slides includes slider and spout, and the spout is seted up on first clamp splice, and the slider inlays in the spout with spout sliding connection, slider and lifter plate fixed connection.

Through adopting above-mentioned technical scheme, spout and slider cooperation increase the smooth and easy nature when lifter plate removes, and in addition, the slider inlays in the spout, can increase the stability of being connected of lifter plate and first clamp splice, second clamp splice, increases the lifter plate and to sample centre gripping stability.

This practicality further sets up as, the spout is the wedge, the slider be with spout complex wedge.

Through adopting above-mentioned technical scheme, spout and slider are the wedge form, can prevent effectively that the slider from breaking away from in the spout, further increase the stability of lifter plate, and then increase the centre gripping fastness to the sample.

The utility model discloses further set up to, be connected with the stabilizing component between first clamp splice and the second clamp splice, the stabilizing component includes stabilizer bar and stabilizing ring, stabilizer bar and first clamp splice fixed connection, stabilizing ring cover establish on the stabilizer bar with stabilizer bar sliding connection, stabilizing ring and second clamp splice fixed connection.

Through adopting above-mentioned technical scheme, first clamp splice and second clamp splice pass through the stabilizer bar and the stabilizing ring is connected, and the one side leads the second clamp splice, increases the stability when the second clamp splice removes, and on the other hand, after first clamp splice and second clamp splice press from both sides the sample tightly, stabilizer bar and stabilizing ring link both as an organic whole, increase the stability of being connected of first clamp splice and second clamp splice, and then increase the centre gripping fastness to the sample.

This practicality further sets up to, the driving piece is drive screw, and drive screw's one end and second clamp splice rotate to be connected, the other end and fixed block threaded connection.

By adopting the technical scheme, the driving screw is rotated to drive the second clamping block to move along the stabilizing rod, so that the distance between the first clamping block and the second clamping block can be conveniently adjusted to clamp samples with different widths; the driving screw has simple structure, convenient processing and low cost.

This practicality further sets up to, be equipped with anti-skidding line on the lifter plate.

Through adopting above-mentioned technical scheme, the frictional force between antiskid line increase lifter plate and the sample reduces the sample and the relative gliding condition of lifter plate, increases the firm in connection to the sample.

To sum up, the utility model discloses following beneficial effect has:

1. the lifting plate and the lifting assembly are arranged, the screw rod rotates to drive the screw nut to move up and down along the screw rod, and the screw nut drives the lifting plate to move up and down so as to clamp samples with different lengths, so that the height of the pendulum bob is suitable, the use is more convenient, the convenience in actual use is improved, and the waste of the samples can be reduced;

2. set up supporting component, through locking bolt with bracing piece and lifter plate fixed connection, support the lifter plate, increase the joint strength of lifter plate and screw to increase the stability of lifter plate, improve the centre gripping fastness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a partial structure intended to show a sample furniture;

FIG. 3 is a schematic view of a partial structure intended to show a support assembly and a glide assembly;

fig. 4 is a partial structural schematic view intended to show the lifting assembly.

Reference numerals: 1. a body; 11. a work table; 12. a fixed mount; 121. a cantilever; 122. a pendulum bob; 123. a display screen; 2. a sample clamp; 21. a fixed block; 211. a support block; 22. a first clamping block; 221. a containing groove; 23. a second clamp block; 231. a drive screw; 2311. rotating the handle; 3. a lifting plate; 31. anti-skid lines; 4. a lifting assembly; 41. a lead screw; 411. a hand wheel; 42. a nut; 5. a support assembly; 51. a support bar; 52. locking the bolt; 6. a slipping component; 61. a slider; 62. a chute; 7. a stabilizing assembly; 71. a stabilizer bar; 72. and (4) stabilizing the ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a convenient type cantilever beam impact tester, as shown in fig. 1, includes organism 1, organism 1 includes workstation 11 and mount 12, and the setting of workstation 11 level, the vertical setting of

mount

12 and 11 fixed connection of workstation are equipped with sample anchor clamps 2 on the workstation 11, and the top of sample anchor clamps 2 is equipped with cantilever 121, and the one end of cantilever 121 is rotated with the top of mount 12 and is connected, and the other end fixedly connected with pendulum 122 of cantilever 121 is equipped with display screen 123 on the mount 12.

During the test, through sample anchor clamps 2 with the sample clamp tightly fixed, cantilever 121 drives pendulum 122 and swings downwards, strikes the sample to the completion is to the impact test of sample.

As shown in fig. 2, the sample clamp 2 comprises a fixing block 21, a first clamping block 22 and a second clamping block 23, wherein the fixing block 21 is in a cubic structure, and the fixing block 21 is fixedly connected with the workbench 11; the first clamping block 22 is of a cubic structure, the length direction of the first clamping block 22 is the same as the width direction of the fixed block 21, the first clamping block 22 is fixedly connected with the top surface of the fixed block 21, and the first clamping block 22 is positioned at a position close to one end of the fixed block 21 in the length direction; the second clamping block 23 is of a cubic structure, the length direction of the second clamping block 23 is the same as that of the first clamping block 22, the second clamping block 23 is connected with the top surface of the fixed block 21 in a sliding mode, a supporting block 211 is arranged on one side, away from the first clamping block 22, of the second clamping block 23, and the supporting block 211 is fixedly connected with the top surface of the fixed block 21. One side of the second clamping block 23 far away from the first clamping block 22 is connected with a driving piece for driving the second clamping block 23 to be close to or far away from the first clamping block 22, the driving piece is a driving screw 231, the driving screw 231 is horizontally arranged, one end of the driving screw is rotatably connected with the second clamping block 23, the other end of the driving screw penetrates through the supporting block 211 and then is in threaded connection with the supporting block 211, and one end of the driving screw 231 far away from the second clamping block 23 is fixedly connected with a rotating handle 2311.

As shown in fig. 2, a stabilizing assembly 7 is disposed between the first clamping block 22 and the second clamping block 23, the stabilizing assembly 7 includes two stabilizing rods 71 and two stabilizing rings 72, the two stabilizing rods 71 are disposed at two ends of the first clamping block 22 in the length direction, the stabilizing rods 71 are horizontally disposed, one end of each stabilizing rod 71 is fixedly connected to the first clamping block 22, the other end of each stabilizing rod is fixedly connected to the supporting block 211, the two stabilizing rings 72 are respectively sleeved on the two stabilizing rods 71 and slidably connected to the stabilizing rods 71, and the stabilizing rings 72 are fixedly connected to the second clamping block 23 to increase the stability of the second clamping block 23.

When clamping a sample, placing the sample between the first clamping block 22 and the second clamping block 23, and enabling the sample to be abutted against the first clamping block 22; then, the handle 2311 is turned by holding the handle, the driving screw 231 is turned, the second clamping block 23 is moved towards the first clamping block 22 and is abutted against the sample, and the driving screw 231 is continuously turned to clamp and fix the sample; meanwhile, the first clamping block 22 and the second clamping block 23 are connected through the stabilizing rod 71 and the stabilizing ring 72, so that the connection stability between the first clamping block 22 and the second clamping block 23 is increased, and the clamping of the sample is facilitated.

As shown in fig. 2, a lifting plate 3 is disposed on one side of the first clamping block 22 close to the second clamping block 23, the lifting plate 3 is vertically disposed, and the lifting plate 3 abuts against the first clamping block 22. Referring to fig. 3, anti-slip patterns 31 are arranged on one side of the lifting plate 3, which is far away from the first clamping block 22, a sliding assembly 6 is arranged between the lifting plate 3 and the first clamping block 22, two groups of sliding assemblies 6 are arranged, which are respectively located at two ends of the lifting plate 3 in the length direction, the sliding assembly 6 comprises a sliding block 61 and a sliding groove 62, the sliding groove 62 is vertically arranged on the first clamping block 22, the opening of the sliding groove 62 faces the lifting plate 3, and the sliding groove 62 is a wedge-shaped groove; slider 61 is the wedge with spout 62 complex, and the length of slider 61 is the same with spout 62's length, and slider 61 inlays in spout 62 with spout 62 sliding connection, slider 61 and lifter plate 3 fixed connection. The same lifting plate 3 is arranged on one side of the second clamping block 23 close to the first clamping block 22, and the same sliding assembly 6 is arranged between the lifting plate 3 and the second clamping block 23.

With reference to fig. 2 and 4, a lifting assembly 4 is arranged between the first clamping block 22 and the lifting plate 3, the lifting assembly 4 includes a lead screw 41 and a nut 42, the lead screw 41 is vertically located at one end of the lifting plate 3 in the length direction, two ends of the lead screw 41 are rotatably connected with the first clamping block 22, a hand wheel 411 is fixedly connected to the top end of the lead screw 41, and the top end of the hand wheel 411 is lower than the top surface of the first clamping block 22; the screw nut 42 is sleeved on the screw rod 41 and is in threaded connection with the screw rod 41, and the screw nut 42 is fixedly connected with the lifting plate 3. The same lifting component 4 is arranged between the lifting plate 3 connected with the second clamping block 23 and the second clamping block 23.

When fixing shorter sample, hand wheel 411 rotates lead screw 41, and lead screw 41 rotates drive screw 42 and reciprocates, and screw 42 removes and drives lifter plate 3 rebound, increases the height of first clamp splice 22, second clamp splice 23 to press from both sides tightly fixedly the shorter sample, increase application range.

As shown in fig. 3, two holding grooves 221 have been opened on the first clamping block 22, the opening of the holding groove 221 is upward, the length direction of the holding groove 221 is perpendicular to the length direction of the first clamping block 22, a support component 5 is arranged in the holding groove 221, the support component 5 includes a support rod 51 and a locking bolt 52, the support rod 51 is embedded in the holding groove 221, one end of the support rod 51 close to the lifting plate 3 is rotatably connected with the inner wall of the holding groove 221, the axial direction of the rotating shaft is the same as the length direction of the first clamping block 22, the other end of the support rod 51 is in threaded connection with the locking bolt 52, the support rod 51 is rotated, the support rod 51 abuts against the lifting plate 3, and the locking bolt 52 passes through the support rod 51 and then is.

Referring back to fig. 3, the second clamping block 23 is provided with a containing groove 221 identical to that of the first clamping block 22, and the containing groove 221 is provided with a supporting component 5 identical to that of the supporting component 5 of the first clamping block 22 to support the lifting plate 3.

After the lifting plate 3 moves upwards to a required position, the support rod 51 is rotated to enable one end, far away from the lifting plate 3, of the support rod 51 to rotate upwards and abut against the lifting plate 3, then the locking bolt 52 horizontally penetrates through the support rod 51 from one side, far away from the lifting plate 3, and is in threaded connection with the lifting plate 3 to support the lifting plate 3.

The utility model discloses a use as follows:

when a sample is tested, the sample is placed between the first clamping block 22 and the second clamping block 23, the handle 2311 is rotated by holding, the second clamping block 23 is driven to move towards the direction close to the first clamping block 22, and the first clamping block 22 and the second clamping block 23 are matched to clamp the sample;

when a shorter sample is fixed, firstly, the screw 41 is rotated, and the lifting plate 3 is adjusted to a proper height; then, the support rod 51 is rotated upwards, after the support rod 51 is abutted to the lifting plate 3, the support rod 51 is fixedly connected with the lifting plate 3 through the locking bolt 52, and the stability of the lifting plate 3 is improved; then, the second clamping block 23 is driven to move towards the direction close to the first clamping block 22, and the two lifting plates 3 clamp the sample, so that the sample can be tested conveniently; set up lifter plate 3 and can press from both sides tightly fixedly to the sample of co-altitude, application scope is wider, and it is more convenient to use, the convenience when improving the in-service use can reduce the waste of sample simultaneously.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a convenient type cantilever beam impact tester, includes organism (1), is equipped with sample anchor clamps (2) of centre gripping sample on organism (1), its characterized in that: the sample clamp (2) comprises a fixed block (21), first clamp splice (22) and second clamp splice (23), first clamp splice (22) and fixed block (21) fixed connection, second clamp splice (23) and fixed block (21) sliding connection, second clamp splice (23) are connected with the driving piece that drive second clamp splice (23) are close to or keep away from first clamp splice (22), one side that first clamp splice (22) and second clamp splice (23) are close to the sample all is equipped with lifter plate (3), lifter plate (3) are connected with lifting unit (4) that drive lifter plate (3) reciprocated, lifting unit (4) include lead screw (41) and screw (42), lead screw (41) rotate with first clamp splice (22) or second clamp splice (23) to be connected, screw (42) cover is established on lead screw (41) with lead screw (41) threaded connection, screw (42) and lifter plate (3) fixed connection.

2. The portable cantilever beam impact tester of claim 1, wherein: a containing groove (221) is formed in the top surface of the first clamping block (22), and a supporting assembly (5) for supporting the lifting plate (3) is arranged in the containing groove (221).

3. The portable cantilever beam impact tester of claim 2, wherein: supporting component (5) include bracing piece (51) and locking bolt (52), and bracing piece (51) inlay in holding groove (221), and one end is connected with holding groove (221) inner wall rotation, and the other end and locking bolt (52) threaded connection, and locking bolt (52) pass behind bracing piece (51) and lifter plate (3) threaded connection.

4. The portable cantilever beam impact tester of claim 1, wherein: be equipped with between lifter plate (3) and first clamp splice (22) subassembly (6) that slides, the subassembly (6) that slides includes slider (61) and spout (62), and spout (62) are seted up on first clamp splice (22), and slider (61) inlay in spout (62) with spout (62) sliding connection, slider (61) and lifter plate (3) fixed connection.

5. The portable cantilever beam impact tester according to claim 4, wherein: the sliding groove (62) is a wedge-shaped groove, and the sliding block (61) is a wedge-shaped block matched with the sliding groove (62).

6. The portable cantilever beam impact tester of claim 1, wherein: be connected with between first clamp splice (22) and the second clamp splice (23) and stabilize subassembly (7), stabilize subassembly (7) including stabilizer bar (71) and stabilizing ring (72), stabilizer bar (71) and first clamp splice (22) fixed connection, stabilizing ring (72) cover establish on stabilizer bar (71) with stabilizer bar (71) sliding connection, stabilizing ring (72) and second clamp splice (23) fixed connection.

7. The portable cantilever beam impact tester of claim 1, wherein: the driving piece is a driving screw rod (231), one end of the driving screw rod (231) is rotatably connected with the second clamping block (23), and the other end of the driving screw rod (231) is in threaded connection with the fixing block (21).

8. The portable cantilever beam impact tester of claim 1, wherein: the lifting plate (3) is provided with anti-skid grains (31).