CN214749428U

CN214749428U - Full-automatic bending resistance testing machine

Info

Publication number: CN214749428U
Application number: CN202121186964.1U
Authority: CN
Inventors: 王健; 胡国华; 谭雪樵
Original assignee: Chongqing Jianxin Construction Engineering Supervision Consulting Co ltd
Current assignee: Chongqing Jianxin Construction Engineering Supervision Consulting Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-16
Anticipated expiration: 2031-05-28

Abstract

The application relates to a full-automatic bending resistance testing machine, which comprises a workbench, a mounting rack and a driving device for applying pressure to materials, the mounting rack is fixedly connected with the workbench, the driving device is arranged on the mounting rack and is provided with a pressure output end, the driving device controls the pressure output end to slide in the vertical direction relative to the mounting frame, and also comprises a pressing block and a base, the pressing block is of a cuboid structure, the upper end or the lower end of the pressing block is fixedly connected with a first cutter part, the pressing block is rotatably connected with the lower end of the pressure output end, the rotating plane of the pressing block is a vertical plane, the base is of a channel steel-shaped structure and is detachably connected to the workbench, the utility model discloses a portable cutting tool, including base, first sword portion, the equal fixedly connected with sword portion two in notch both sides edge of base, sword portion one and sword portion two all are cylindric structure, the length direction of sword portion two is on a parallel with the length direction of sword portion one. This application has the effect that improves the compression test machine of bending resistance and is not convenient for carry out compression test.

Description

Full-automatic bending resistance testing machine

Technical Field

The application relates to the field of pressure test equipment, in particular to a full-automatic anti-bending test machine.

Background

The flexural strength test is for measuring the shear resistance of a material, and a flexural strength tester is a device for performing the flexural strength test. However, in the test, the broken slag and scraps generated by crushing the test sample under pressure are inconvenient to clean.

In order to solve the above problems, chinese patent with application number CN201920088854.8 in the related art discloses a full-automatic concrete bending and compression testing machine, which has the technical key points that: including workstation, mounting bracket and drive arrangement, drive arrangement installs in the mounting bracket, and drive arrangement is provided with the pressure output end, and drive arrangement control pressure output end slides at vertical direction for the mounting bracket, and the bottom of pressure output end is provided with the briquetting, and the workstation is provided with the erection column and sets up in the lower briquetting on erection column top, and the workstation top surface is provided with and is used for collecting clastic catch tray. The collecting tray can collect the disintegrating slag piece that produces when experimental to the disintegrating slag piece that produces because of the pressurization breakage of clearance test sample.

To the correlation technique among the above-mentioned, the broken sediment piece that the broken production of material was produced is collected in the time of the bending strength test that the bending strength test machine can carry out the test sample, but in actual test process, in order to the performance of abundant detection material, still need do the compressive strength test to the material, consequently still need possess the compressive strength test machine, but adopt two test devices, the space that occupies is great relatively.

SUMMERY OF THE UTILITY MODEL

In order to improve the limitation that compression test is not convenient for to carry out of bending test machine, this application provides a full-automatic bending test machine.

The application provides a full-automatic bending test machine adopts following technical scheme:

a full-automatic bending tester comprises a workbench, a mounting rack and a driving device for applying pressure to materials, the mounting rack is fixedly connected with the workbench, the driving device is arranged on the mounting rack and is provided with a pressure output end, the driving device controls the pressure output end to slide in the vertical direction relative to the mounting frame, and also comprises a pressing block and a base, the pressing block is of a cuboid structure, the upper end or the lower end of the pressing block is fixedly connected with a first cutter part, the pressing block is rotatably connected with the lower end of the pressure output end, the rotating plane of the pressing block is a vertical plane, the base is of a channel steel-shaped structure and is detachably connected to the workbench, the utility model discloses a portable cutting tool, including base, first sword portion, the equal fixedly connected with sword portion two in notch both sides edge of base, sword portion one and sword portion two all are cylindric structure, the length direction of sword portion two is on a parallel with the length direction of sword portion one.

By adopting the technical scheme, when the anti-bending test bed is used, the pressing block is rotated, the first knife part of the pressing block faces downwards, then the notch of the base is placed upwards, the two second knife parts and the first knife part are oppositely arranged, and the projection of the first knife part in the vertical direction is positioned between the two second knife parts, so that the anti-bending strength test is carried out; rotatory briquetting makes the plane end of briquetting down, dismantles simultaneously and adjusts the base, makes the base keep away from the bottom surface of notch up, carries out the compressive strength test to do not need unnecessary equipment alright carry out rupture strength and compressive strength test.

Optionally, the pressing block is provided with one or two telescopic assemblies, each telescopic assembly comprises a guide piece and an elastic piece for enabling the pressing block to move upwards, each guide piece comprises a guide pipe and a guide rod, the guide pipe is sleeved and slidably connected to the guide rod, the pressing block is rotatably connected to the guide pipe, the rotation axis of the pressing block is perpendicular to the guide pipe, and the guide rods are fixedly connected to the mounting frame or the pressure output end; or the briquetting rotates to be connected in the guide bar, the axis of rotation perpendicular to guide bar of briquetting, stand pipe fixed connection is in mounting bracket or pressure output.

Through adopting above-mentioned technical scheme, can slide relatively between stand pipe and the guide bar, adjust the distance of briquetting relative pressure output to make the briquetting rotate and do not produce the interference by the relative pressure output, can also control the briquetting and slide towards pressure output end in vertical orientation through the elastic component, and the butt in pressure output end's below, the area of contact between effectual increase briquetting and the pressure output end optimizes the briquetting and bears the ability of load when experimental.

Optionally, the lower end of the pressure output end is provided with a limiting groove for clamping the pressing block.

Through adopting above-mentioned technical scheme, when carrying out the bending test, the briquetting joint is in the cell wall of spacing groove to the restriction briquetting slides on the direction of perpendicular to spacing groove lateral wall, increases the stability of briquetting in the bending test process.

Optionally, the lower end of the pressure output end is fixedly connected with at least one positioning pin, and the pressing block is provided with a positioning hole matched with the positioning pin.

Through adopting above-mentioned technical scheme, behind the rotatory briquetting for the locating hole cooperatees with the locating pin when compression test, with the slip of restriction briquetting for pressure output end on the horizontal direction, the stability of reinforcing briquetting in compression test process.

Optionally, a supporting seat is arranged between the workbench and the base, the supporting seat is matched with the opening of the base, the supporting seat is abutted to the outer wall of the base, facing the workbench, on one side, and the supporting seat is fixedly connected to the workbench.

Through adopting above-mentioned technical scheme, when carrying out the compression test, the notch of base is down, and the supporting seat can the butt in the inslot diapire of base to play the supporting effect of supporting seat to the base, thereby strengthen the ability that the base bore load.

Optionally, the workbench is fixedly connected with a plurality of fixing pieces for tightly abutting the base against the supporting seat.

Through adopting above-mentioned technical scheme, the mounting is used for closely butt the base in the supporting seat to the base is restricted for the slip or the deflection of supporting seat, thereby the stability of reinforcing base on the supporting seat.

Optionally, the mounting includes the otic placode, wears to locate the set screw and the threaded connection of otic placode in set screw's fixation nut, fixation screw fixed connection is in the workstation, otic placode fixed connection is in the base, the otic placode is by the centre gripping between fixation nut and workstation.

Through adopting above-mentioned technical scheme, the base passes through the otic placode to be connected in clamping screw for the base can be dismantled for clamping screw, and can adjust the notch orientation of base, thereby to anti book and compression test change, and the last fixation nut of rethread rotatory clamping screw presss from both sides the otic placode towards the direction that is close to the workstation tightly, makes the base receive the drawing of otic placode, the inseparable butt of base in the top of supporting seat. Meanwhile, the base is fixed on the fixing screw rod through the lug plate, and the movement of the base relative to the supporting seat can be limited.

Optionally, the supporting seat is located the equal fixedly connected with stopper in two length direction's of sword portion both ends, the supporting seat is by the centre gripping between two stoppers.

Through adopting above-mentioned technical scheme, the base joint is between two stoppers to further restrict the base and for the supporting seat slide on two length direction of sword portion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. rotating the pressing block to enable the first knife part of the pressing block to face downwards, and then placing the notch of the base upwards to enable the two second knife parts to be arranged opposite to the first knife part, and enabling the projection of the first knife part in the vertical direction to be located between the two second knife parts, so that the bending strength test is carried out; rotatory briquetting makes the plane end of briquetting down, dismantles simultaneously and adjusts the base, makes the base keep away from the bottom surface of notch up, carries out the compressive strength test to do not need unnecessary equipment alright carry out rupture strength and compressive strength test.

2. Can slide relatively between stand pipe and the guide bar, adjust the distance of briquetting relative pressure output to make the briquetting rotate and do not produce the interference by relative pressure output, can also control the briquetting and slide towards pressure output end in vertical orientation through the elastic component, and the butt in pressure output end's below, the area of contact between effectual increase briquetting and the pressure output end optimizes the briquetting and bears the ability of load when experimental.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic sectional view of the pressure output end and the pressure block according to the embodiment of the present application;

fig. 4 is an enlarged schematic view of a portion B of fig. 1.

Description of reference numerals: 1. a work table; 2. a mounting frame; 21. a mounting seat; 22. erecting a rod; 3. a drive device; 31. a pressure output end; 32. a limiting groove; 33. positioning pins; 4. briquetting; 41. a first knife part; 42. positioning holes; 5. a base; 51. a second knife part; 6. a telescoping assembly; 61. a guide member; 611. a guide tube; 612. a guide bar; 62. an elastic member; 7. a supporting seat; 71. a limiting block; 8. a fixing member; 81. an ear plate; 82. fixing the screw rod; 83. and (5) fixing the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses full-automatic bending test machine. Referring to fig. 1, the full-automatic bending test machine includes workstation 1, mounting bracket 2 and drive arrangement 3 that is used for exerting pressure to the material, mounting bracket 2 includes mount pad 21 and a plurality of vertical settings's pole setting 22, pole setting 22 sets up to two in this embodiment, and pole setting 22 passes through bolt fixed connection in workstation 1, mount pad 21 slides along vertical direction and connects in pole setting 22, drive arrangement 3 fixed connection is in mount pad 21, drive arrangement 3's drive end fixedly connected with pressure output 31, drive arrangement 3 control pressure output 31 operation, make pressure output 31 can slide on vertical direction for mount pad 21.

Referring to fig. 1 and 2, the full-automatic bending resistance testing machine further comprises a pressing block 4 and a base 5, wherein the pressing block 4 is of a rectangular structure, the pressing block 4 is fixedly connected with a first knife part 41, and the first knife part 41 is of a cylindrical structure. The pressing block 4 is provided with one or two telescopic assemblies 6, the pressing block 4 is rotatably connected to the pressure output end 31 through the telescopic assemblies 6, and the pressing block 4 is tightly abutted to the pressure output end 31. In this embodiment, two telescopic assemblies 6 are provided, and the two telescopic assemblies 6 are respectively located at two ends of the first knife part 41 in the length direction. Of course, the pressure piece 4 can also be provided with a telescopic assembly 6.

Base 5 is channel-section steel column structure, and base 5 is located briquetting 4 and can dismantle to be connected in workstation 1 under, two sides of 5 notches of base along two 51 of equal fixedly connected with sword portion, two 51 of sword portion are cylindric structure, and the length direction of two 51 of sword portion is on a parallel with the length direction of one 41 of sword portion, and the projection of one 41 of sword portion in vertical direction is located between two 51 of sword portion.

When the anti-breaking strength testing device is used, the first knife part 41 is downward by rotating the pressing block 4, meanwhile, the notch of the base 5 is upward placed, the second knife part 51 on the base 5 is opposite to the first knife part 41, and therefore a test sample is placed on the second knife part 51 and the anti-breaking strength testing is conducted.

When the need carries out the compressive strength test, rotatory briquetting 4 makes the wide face end of briquetting 4 down, through the effect of flexible subassembly 6, with briquetting 4 rebound and butt in pressure output end 31, adjust the notch orientation of base 5, deviate from briquetting 4 with the notch of base 5 for base 5 keeps away from the bottom surface of two 51 of sword portion and briquetting 4 wide face end in opposite directions, thereby place the test sample on base 5 keeps away from the bottom surface of two 51 of sword portion and carry out the compressive strength test. Thus improving the limitation that the bending tester is inconvenient for performing the compression test.

Referring to fig. 1 and 2, the telescopic assembly 6 includes a guide member 61 and an elastic member 62, the guide member 61 includes a guide tube 611 and a guide rod 612, the guide rod 612 is vertically disposed, the guide tube 611 is sleeved and slidably connected to the guide rod 612, in this embodiment, the guide rod 612 is welded to the mounting base 21, although the guide rod 612 may be screwed to the mounting base 21 or the guide rod 612 is integrally formed with the mounting base 21, and the guide rod 612 may also be fixedly connected to the pressure output end 31. The pressing block 4 is rotatably connected to the guide tube 611, the rotation axis of the pressing block 4 is perpendicular to the guide tube 611, the elastic member 62 is fixedly connected to the guide tube 611 and the mounting seat 21, and the elastic member 62 can be a spring, an elastic rubber band or a spiral spring.

The guide tube 611 slides relative to the guide rod 612, and the pressing block 4 rotates relative to the guide tube 611 to adjust the orientation of the wide surface of the pressing block 4 and the first knife part 41, so that the bending and compression tests can be switched. The elastic member 62 enables the guide tube 611 to slide upwards along the guide rod 612, so that the pressing block 4 is driven to displace towards the pressure output end 31 in the vertical direction and abut against the lower part of the pressure output end 31, the contact area between the pressing block 4 and the pressure output end 31 is effectively increased, and the load bearing capacity between the pressing block 4 and the pressure output end 31 during testing is optimized.

In other embodiments, the guide tube 611 may be fixedly connected to the mounting base 21 or the pressure output end 31, the pressing block 4 is rotatably connected to the guide rod 612, the rotation axis of the pressing block 4 is perpendicular to the guide rod 612, and the elastic element 62 is fixedly connected to one end of the guide rod 612 far away from the mounting base 21 and the guide tube 611.

Referring to fig. 3, the lower end of the pressure output end 31 is provided with a limiting groove 32, the limiting groove 32 is in a long strip shape, and the notch of the limiting groove 32 faces downward. Make when carrying out the bending test, briquetting 4 can block locate spacing groove 32 to the restriction briquetting 4 slides in the direction of perpendicular to spacing groove 32 lateral wall, increases briquetting 4's stability.

The lower end of the pressure output end 31 is fixedly connected with at least one positioning pin 33, in this embodiment, two positioning pins 33 are provided, and the positioning pins 33 are integrally formed by the pressure output end 31, although the positioning pins 33 can also be connected to the pressure output end 31 by welding or threads. The press block 4 is provided with a positioning hole 42 matched with the positioning pin 33, so that the positioning pin 33 can be inserted into the positioning hole 42 when the compression test is performed, and the sliding of the press block 4 relative to the pressure output end 31 in the horizontal direction is limited.

Referring to fig. 4, be provided with supporting seat 7 between workstation 1 and the base 5, supporting seat 7 cooperatees with the opening of base 5, and supporting seat 7 butt is in base 5 one side towards workstation 1 for when carrying out the compression test, the notch of base 5 is down, and supporting seat 7 can butt in the inslot diapire of base 5, in order to play supporting seat 7 and carry out the effect that supports to base 5, thereby reinforcing base 5 bears the ability of load.

The supporting seat 7 is fixedly connected to the workbench 1 by bolts, and in other embodiments, the supporting seat 7 may also be fixedly connected to the workbench 1 by welding, or the supporting seat 7 is integrally formed with the workbench 1.

The equal fixedly connected with stopper 71 in two 51 length direction's of sword portion both ends of supporting seat 7 is located for base 5 card is located between two stopper 71, thereby in the test process, has restricted base 5 for the sliding of supporting seat 7 on two 51 length direction of sword portion.

Referring to fig. 4, the workbench 1 is fixedly connected with a plurality of fixing members 8, in this embodiment, two fixing members 8 are provided, and the two fixing members 8 are respectively located on the two sides of the two knife portions 51 away from each other.

The fixing member 8 includes an ear plate 81, a fixing screw 82, and a fixing nut 83, the fixing screw 82 is welded to the table 1, and the fixing screw 82 may be integrally formed with the table 1. The ear plate 81 is welded to the base 5, but of course the ear plate 81 may also be formed integrally with the base 5, or the ear plate 81 is fixedly connected to the base 5 by bolts, the fixing screw 82 passes through the ear plate 81 and is screwed to the fixing nut 83, and the ear plate 81 is clamped between the fixing nut 83 and the working platform 1.

The base 5 is connected in the fixing screw rod 82 through the lug plate 81, so that the base 5 can be detached relative to the fixing screw rod 82, the notch orientation of the base 5 can be adjusted, the bending resistance and the compression resistance test are converted, the lug plate 81 is clamped towards the direction close to the workbench 1 through the fixing nut 83 on the rotary fixing screw rod 82, the base 5 is dragged by the lug plate 81, and the base 5 is tightly abutted to the upper side of the supporting seat 7. Meanwhile, the base 5 is fixed on the fixing screw 82 through the lug plate 81, and the movement of the base 5 in the direction horizontally vertical to the length direction of the second knife part 51 can be limited.

In other embodiments, the fixing member 8 may be configured as a snap or a latch for fixing the base 5 to the work table 1.

The implementation principle of the full-automatic bending tester in the embodiment of the application is as follows: the mounting frame 2 is vertically fixed above the table 1, and the driving device 3 provided with the pressure output end 31 is mounted on the mounting frame 2 so that the pressure output end 31 can slide in the vertical direction relative to the mounting frame 2. When the bending strength test needs to be carried out, the pressing block 4 is pulled downwards and rotated, one end of the pressing block 4, which is connected with the first knife part 41, is downward, and then the pressing block 4 can be pulled upwards and abutted to the limiting groove 32 of the pressure output end 31 under the action of the telescopic assembly 6. Then, the fixing nut 83 is rotated, the lower base 5 is detached, the notch orientation of the base 5 is adjusted, the second knife part 51 faces the first knife part 41, the base 5 is clamped between the two limiting blocks 71, the lug plate 81 is sleeved back on the fixing screw 82 and the fixing nut 83 is fastened, the base 5 is tightly abutted to the supporting seat 7, and the projection of the first knife part 41 in the vertical direction is located between the second knife part 51. And finally, placing the test sample for a flexural strength test.

When the compressive strength test is required, the press block 4 is pulled and rotated downward so that the positioning pin 33 is inserted into the positioning hole 42 and one end width of the press block 4 with respect to the positioning hole 42 faces downward. Then, the fixing nut 83 is rotated and the lower base 5 is disassembled, the base 5 is adjusted to face the notch of the base 5 downwards, the bottom surface of one end, far away from the notch, of the base 5 is opposite to the wide surface of the positioning hole 42, the notch of the base 5 is matched with the supporting seat 7, meanwhile, the base 5 is clamped between the two limiting blocks 71, and the lug plate 81 is sleeved on the fixing screw 82 and fastens the fixing nut 83. And finally, placing a test sample for a compressive strength test.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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

1. The utility model provides a full-automatic bending test machine, includes workstation (1), mounting bracket (2) and is used for drive arrangement (3) that the material was impressed pressure, mounting bracket (2) fixed connection is in workstation (1), drive arrangement (3) are installed in mounting bracket (2), drive arrangement (3) are provided with pressure output end (31), drive arrangement (3) control pressure output end (31) slide its characterized in that for mounting bracket (2) in vertical direction: still include briquetting (4) and base (5), briquetting (4) are rectangular form structure, briquetting (4) upper end or lower extreme fixedly connected with sword portion (41), briquetting (4) rotate to be connected in the lower extreme of pressure output end (31), the rotation plane of briquetting (4) is vertical plane, base (5) are channel-section steel column structure and can dismantle to be connected in workstation (1), the equal fixedly connected with sword portion two (51) in the both sides of the notch of base (5), sword portion (41) and sword portion two (51) all are cylindric structure, the length direction of sword portion two (51) is on a parallel with the length direction of sword portion (41).

2. The full-automatic bending tester according to claim 1, characterized in that: the pressing block (4) is provided with one or two telescopic assemblies (6), each telescopic assembly (6) comprises a guide piece (61) and an elastic piece (62) used for enabling the pressing block (4) to move upwards, each guide piece (61) comprises a guide pipe (611) and a guide rod (612), each guide pipe (611) is sleeved with and connected to the corresponding guide rod (612) in a sliding mode, the pressing block (4) is rotatably connected to the corresponding guide pipe (611), the rotating axis of the pressing block (4) is perpendicular to the corresponding guide pipe (611), and the guide rods (612) are fixedly connected to the mounting frame (2) or the pressure output end (31); or the pressing block (4) is rotatably connected to the guide rod (612), the rotating axis of the pressing block (4) is perpendicular to the guide rod (612), and the guide pipe (611) is fixedly connected to the mounting frame (2) or the pressure output end (31).

3. The full-automatic bending tester according to claim 2, characterized in that: the lower end of the pressure output end (31) is provided with a limiting groove (32) for clamping the pressing block (4).

4. The full-automatic bending tester according to claim 3, wherein: the lower end of the pressure output end (31) is fixedly connected with at least one positioning pin (33), and the pressing block (4) is provided with a positioning hole (42) matched with the positioning pin (33).

5. The full-automatic bending tester according to claim 1, characterized in that: be provided with supporting seat (7) between workstation (1) and base (5), supporting seat (7) cooperate with the opening of base (5), supporting seat (7) butt is in base (5) one side outer wall towards workstation (1), supporting seat (7) fixed connection is in workstation (1).

6. The full-automatic bending tester according to claim 5, wherein: the workbench (1) is fixedly connected with a plurality of fixing pieces (8) which are used for enabling the base (5) to be tightly abutted against the supporting seat (7).

7. The full-automatic bending tester according to claim 6, wherein: mounting (8) include otic placode (81), wear to locate set screw (82) and threaded connection in set screw (82) of otic placode (81), set screw (82) fixed connection is in workstation (1), otic placode (81) fixed connection is in base (5), otic placode (81) are by the centre gripping between set screw (83) and workstation (1).

8. The full-automatic bending tester according to claim 5, wherein: the supporting seat (7) is located the equal fixedly connected with stopper (71) in the both ends of sword portion two (51) length direction, supporting seat (7) are by the centre gripping between two stopper (71).