CN216646094U - Universal material testing machine - Google Patents

Abstract

The utility model provides a universal material testing machine, include the base and install a set of stand on the base, be equipped with the elevating system that can reciprocate on the stand, the base top is equipped with the test bench, elevating system one end is equipped with the briquetting, the briquetting corresponds the test bench setting, the symmetry is provided with fixture respectively on briquetting and the test bench, a serial communication port, fixture includes the mounting panel, the fixed plate that is equipped with of mounting panel one end, the other end is equipped with the fly leaf of sliding fit on the mounting panel, be equipped with first widening board and the second widening board that two sets of symmetries set up on the mounting panel, a set of first widening board and second widening board are located the fly leaf both sides, another group is located the fixed plate both sides, the bottom of the mounting panel other end is equipped with the drive assembly who is used for driving the fly leaf.

Description

Universal material testing machine

Technical Field

The utility model belongs to the field of material testing equipment, and particularly relates to a universal material testing machine.

Background

Building waterproofing is an important link in engineering construction, waterproofing membrane is a common waterproof material that extensively is used for housing construction, tunnel etc., in order to guarantee the engineering quality, need carry out various performance tests to it with the help of material test equipment, universal material testing machine that exists at present is when testing waterproofing membrane's vertical tensile strength and horizontal tensile strength, because sample length and width direction have great size difference, in order to make experimental data precision higher, when doing tensile test, need use two kinds of at least anchor clamps, test the tensile strength of different directions respectively, can not accomplish vertical tensile strength and horizontal tensile strength test on same anchor clamps, consequently design a universal material testing machine.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a universal material testing machine which can test the vertical tensile strength and the transverse tensile strength of a waterproof coiled material in the same clamp.

In order to realize the purpose of the utility model, the following scheme is adopted:

the utility model provides an universal material testing machine, include the base and install a set of stand on the base, be equipped with the elevating system that can reciprocate on the stand, the base top is equipped with the test bench, elevating system one end is equipped with the briquetting, the briquetting corresponds the test bench setting, the symmetry is provided with fixture respectively on briquetting and the test bench, fixture includes the mounting panel, the fixed plate that is equipped with of mounting panel one end, the other end is equipped with the fly leaf that sliding fit on the mounting panel, be equipped with first widening plate and the second widening plate that two sets of symmetries set up on the mounting panel, a set of first widening plate and second widening plate are located the fly leaf both sides, another group is located the fixed plate both sides, the bottom of the mounting panel other end is equipped with the drive assembly who is used for driving the fly leaf.

Further, the mounting panel includes the working plate, the working plate bottom is equipped with and is used for installing the installation axle on the test bench, the one end of working plate is located to the fixed plate, the working plate other end is equipped with first dovetail, be equipped with the predetermined distance between first dovetail and the fixed plate, first dovetail tank bottom is equipped with the rectangular channel that link up the mounting panel bottom, the bottom of first dovetail of rectangular channel intercommunication and mounting panel, working plate one end is equipped with the first guide way of a set of symmetry, first guide way is located the both sides of first dovetail respectively, the other end of working plate is equipped with the second guide way, the second guide way is located the fixed plate both sides, and correspond first guide way respectively.

Furthermore, the mounting panel bottom is equipped with a set of rotation seat respectively, and drive assembly wears to locate on rotating the seat.

Further, drive assembly includes the motor, and the motor is located and rotates seat one side, and the output shaft of motor is equipped with the lead screw, and on the lead screw wore to locate a set of rotation seat, rotate the bottom connection bottom plate of seat, bottom plate bottom connection installation axle.

Further, the movable plate is in sliding fit with the first dovetail groove and comprises a clamping plate and a dovetail boss arranged at the bottom of the clamping plate, a mounting block is arranged at the bottom of the dovetail boss and arranged between a group of rotating seats, and the mounting block is in rotating fit with the screw rod.

Furthermore, a group of first widening plates and a group of second widening plates are respectively arranged on two sides of the clamping plate, and the other group of first widening plates and the other group of second widening plates are respectively arranged on two sides of the fixing plate.

Furthermore, the first widening plate and the second widening plate are respectively provided with a connecting component for connecting the corresponding clamping plate and the fixing plate.

The utility model has the beneficial effects that:

1. when testing the longitudinal tensile strength of a material, the first widening plates and the second widening plates on two sides of the movable plate and the fixed plate are fixed, the movable plate and the fixed plate participate in clamping to complete the test, the dovetail bosses at the lower end of the movable plate are in sliding fit with the first dovetail grooves in the mounting plate, so that the movable plate has better bearing capacity and good stability in the working process, the lower end of the movable plate is connected with a lead screw, the displacement of the movable plate can be controlled relatively accurately, the movable plate has good self-locking performance, anti-skidding bosses are arranged on the inner surfaces of the movable plate and the fixed plate, the bosses on two surfaces are staggered relatively, the friction between the fixed plate and the material to be tested can be increased during clamping, and the material to be tested is prevented from slipping.

2. When the transverse tensile strength of the material is tested, the length of the clamping mechanism can be increased by the first widening plate and the second widening plate, the first widening plate, the second dovetail grooves are formed in the movable plate and the fixed plate respectively, the connecting block of the connecting assembly is a dovetail boss and is connected with the first widening plate and the second widening plate on two sides of the movable plate and the fixed plate respectively, the movable plate is made to be integrated with the first widening plate and the second widening plate on one side of the movable plate, the fixed plate is integrated with the first widening plate and the second widening plate on one side of the fixed plate, the fixing bolts on the pushing blocks of the connecting assembly are used for locking, and the connecting stability is improved.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows an outline configuration diagram of the present invention.

FIG. 2 is a view showing a state in which a one-side clamping mechanism is used for measuring a longitudinal tensile strength according to the present invention.

FIG. 3 is a view showing a state in which a one-side clamping mechanism is used for measuring a longitudinal tensile strength according to the present invention.

FIG. 4 is a view showing a side holding means before use in measuring the transverse tensile strength according to the present invention.

FIG. 5 is a view showing a state in which a one-side clamping mechanism is used for measuring the tensile strength in the transverse direction according to the present invention.

FIG. 6 is a view showing a state in which a one-side clamping mechanism is used for measuring the tensile strength in the transverse direction according to the present invention.

Fig. 7 shows a mounting plate structure of the present invention.

Fig. 8 shows a movable plate structure of the present invention.

Fig. 9 shows a first widening sheet structure of the present invention.

Fig. 10 shows a second widening sheet structure of the present invention.

The labels in the figure are: 1-base, 11-test bed, 2-upright column, 3-lifting mechanism, 31-hydraulic cylinder, 32-press block, 33-lifting component, 4-clamping mechanism, 41-mounting shaft, 42-bottom plate, 43-rotating seat, 44-screw rod, 45-motor, 46-mounting plate, 461-working plate, 462-fixing plate, 463-first guide groove, 464-second guide groove, 465-third guide groove, 466-first dovetail groove, 467-second dovetail groove, 468-rectangular groove, 469-anti-slip boss, 47-movable plate, 471-clamp plate, 472-dovetail boss, 473-mounting block, 48-first widening plate, 49-second widening plate, 5-connecting component, 51-push block, 52-connecting block, 53-connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-10, the universal material testing machine comprises a base 1, a test bed 11 is arranged on the base 1, stand columns 2 are arranged on two sides of the test bed 11, a cross beam 21 is arranged on the tops of the stand columns 2, a lifting mechanism 3 is arranged on the stand columns 2 in a sliding mode, the lifting mechanism 3 can slide up and down along the stand columns 2, the lifting mechanism 3 comprises a hydraulic cylinder 31, a lifting assembly 33 and a pressing block 32, the lifting assembly 33 is in sliding fit with the stand columns 2, the hydraulic cylinder 31 is arranged on the cross beam 21, the movable end of the hydraulic cylinder 31 penetrates through the lifting assembly 33 to be connected with the pressing block 32, and the pressing block 32 is arranged corresponding to the test bed 11 on the base 1.

Specifically, the pressing block 32 and the test bed 11 are symmetrically provided with clamping mechanisms 4, respectively, and each clamping mechanism 4 includes a mounting shaft 41, a bottom plate 42, a set of rotating seats 43, a screw 44, a motor 45, a mounting plate 46, a movable plate 47, a set of first widening plates 48, a set of second widening plates 49, and four sets of connecting assemblies 5.

Specifically, one end of a mounting shaft 41 of the clamping mechanism 4 located on the test bed 11 is mounted on the test bed 11, the other end of the mounting shaft 41 is connected to a bottom plate 42, rotating seats 43 are symmetrically arranged on the bottom plate 42, a screw 44 is inserted into a set of rotating seats 43, one end of the screw 44 is connected to an output end of a motor 45, the top of the rotating seat 43 is connected to a mounting plate 46, the mounting plate 46 comprises a fixed plate 462, a movable plate 47 is slidably fitted on the mounting plate 46, the bottom of the movable plate 47 is rotatably fitted on the screw 44, the movable plate 47 is arranged corresponding to the fixed plate 462, a first widening plate 48 and a second widening plate 49 are respectively arranged on two sides of the movable plate 47 and the fixed plate 462, a connecting assembly 5 is respectively arranged on the first widening plate 48 and the second widening plate 49, a connecting assembly 5 on the first widening plate 48 on one side of the movable plate 47 is used for connecting one end of the first widening plate 48 and one end of the movable plate 47, a connecting assembly 5 on the second widening plate 49 is used for connecting the other end of the second widening plate 49 and the movable plate 47, the connecting assembly 5 of the first widening plate 48 on the side of the fixing plate 462 is used to connect the first widening plate 48 with one end of the fixing plate 462, and the connecting assembly 5 of the second widening plate 49 is used to connect the second widening plate 49 with the other end of the fixing plate 462.

Specifically, the mounting plate 46 further includes a working plate 461, a first dovetail groove 465 is provided on the working plate 461, the first dovetail groove 465 penetrates through one end of the working plate 461 and is provided with a predetermined interval with the fixing plate 462, a rectangular groove 468 is provided at the bottom of the first dovetail groove 465, the rectangular groove 468 communicates the first dovetail groove 465 and the bottom of the working plate 461, first guide grooves 463 are symmetrically provided at both sides of the first dovetail groove 465, one end of each first guide groove 463 is coplanar with one end of the first dovetail groove 465 and is provided with a predetermined interval with the fixing plate 462, second guide grooves 464 are provided at both sides of the fixing plate 462, the first guide groove 463 corresponds to the second guide groove 464, the first guide groove 463 and the second guide groove 464 are L-shaped, the transverse cross sections of the first guide 463 and the second guide 463 are T-shaped, the length of the first guide groove 464 is greater than the length of the second guide groove 463, the movable plate 47 is slidably fitted in the first dovetail groove 465, the first widening plate 48 and the second widening plate 49 at one side of the movable plate 47 are slidably fitted in the first guide 463, the first widening plate 48 and the second widening plate 49 on the fixed plate 462 side are respectively slidably fitted in the second guide groove 464, so that the first widening plate 48 on the movable plate 47 side and the first widening plate 48 on the fixed plate 462 side are respectively symmetrically disposed, and the second widening plate on the movable plate 47 side and the second widening plate 49 on the fixed plate 462 side are respectively symmetrically disposed.

Specifically, the movable plate 47 includes a clamping plate 471 and a dovetail boss 472 disposed at a lower end of the clamping plate 471, the dovetail boss 472 is slidably fitted in the first dovetail groove 466, a mounting block 473 is disposed at a bottom of the dovetail boss 472, and the mounting block 473 passes through the rectangular groove 468 and is located between the set of rotating seats 43, and is rotatably fitted on the screw rod 44.

Specifically, a group of second guide grooves 465 are respectively arranged at the tops of the clamping plate 471 and the fixing plate 462, a plurality of anti-slip bosses 469 are respectively arranged on the corresponding surfaces of the clamping plate 471 and the fixing plate 462, three groups of second dovetail grooves 467 uniformly spaced are respectively arranged on the opposite surfaces of the clamping plate 471 and the fixing plate 462, anti-slip bosses 469 and second dovetail grooves 467 corresponding to the movable plate 47 and the fixing plate 462 are arranged on the first widening plate 48 and the second widening plate 49, connecting assemblies 5 are respectively matched in the second dovetail grooves 467 on the first widening plate 48 and the second widening plate 49 in a sliding manner, the connecting assembly 5 on the first widening plate 48 on one side of the clamping plate 471 is used for connecting one ends of the first widening plate 48 and the clamping plate 471, and the second widening plate 49 on the other side of the clamping plate 471 is used for connecting the other ends of the second widening plate 49 and the clamping plate 471; the connecting assembly 5 of the first widening plate 48 on one side of the fixing plate 462 is used to connect the first widening plate 48 with one end of the fixing plate 462, and the second widening plate 49 on the other side of the fixing plate 462 is used to connect the second widening plate 49 with the other end of the fixing plate 462.

Specifically, the first widening plate 48 includes a first side plate 481 and a first slider 482, the first slider 482 is disposed at the bottom of the first side plate 481, the first slider 482 is disposed adjacent to one side of the clamping plate 471, the second widening plate 49 includes a second side plate 491 and a second slider 492, the second slider 492 is disposed at the bottom of the second side plate 491, the second slider 492 is disposed adjacent to the other side of the clamping plate 471, the first slider 482 on the first widening plate 48 at one side of the clamping plate 471 and the second slider 492 on the second widening plate 49 at the other side of the clamping plate 471 are respectively slidably fitted in a set of symmetrical first guide grooves 463, the first slider 482 on the first widening plate 48 at one side of the fixing plate 462 and the second slider 492 on the second widening plate 49 are respectively slidably fitted adjacent to both sides of the fixing plate 462, and are slidably fitted in a set of symmetrical second guide grooves 464.

Specifically, the connecting assembly 5 includes a pushing block 51, three sets of connecting blocks 52, and a connecting rod 53. Three connecting blocks 52 are parallel to each other, connecting block 52 is forked tail boss structure, the broad face and the second dovetail 467 sliding fit of connecting block 52, the leptoprosopy and the ejector pad 51 fixed connection of connecting block 52, be equipped with a set of fixing bolt on the ejector pad 51, a position for fixed connection block 52, first widening board 48 and second widening board 49 top are equipped with connecting rod 53 respectively, the one end normal running fit of connecting rod 53 is located on first widening board 48 in the one end rotation of first connecting rod 53, other end sliding fit is at splint 471 top.

Specifically, the inner surfaces of the fixed plate 462, the movable plate 47, the first widening plate 48 and the second widening plate 49 are all provided with anti-slip bosses 469, the inner surfaces of the movable plate 47 and the first widening plate 48 and the second widening plate 49 on the side of the movable plate 47 are mutually staggered with the inner surfaces of the fixed plate 462 and the first widening plate 48 and the second widening plate 49 on the side of the movable fixed plate 462, as shown in fig. 3 and 6. The friction of the contact surface can be increased to prevent the material to be tested from sliding off the clamping mechanism 4 during the test.

In the first embodiment, when the longitudinal tensile strength is tested, the widths of the movable plate 47 and the fixed plate 462 are sufficient, and it is not necessary to increase the widths on both sides of the movable plate 47 and the fixed plate 462. The upper and lower parts of the clamping mechanism 4 are respectively installed and fixed on the pressing block 32 and the test bed, the first widening plate 48 and the second widening plate 49 on both sides of the left movable plate 47 are fixed in the transverse part of the L-shaped first guide groove 463, the connecting rods 53 on the upper ends of the first widening plate 48 and the second widening plate 49 are respectively fixed, the first widening plate 48 and the second widening plate 49 on both sides of the right fixed plate 462 are fixed on the rear end of the fixed plate 462, and the connecting rods 53 on the upper ends of the first widening plate 48 and the second widening plate 49 are fixed. Then the material to be tested is placed between the movable plate 47 and the fixed plate 462 of the clamping mechanism 4, the motor 45 is started, the motor 45 drives the screw rod 44 to rotate, so that the movable plate 47 is driven to approach the fixed plate 462, until the material to be tested is clamped, the motor is closed, and the hydraulic cylinder 31 is started to start the tensile test.

In the second embodiment, when the lateral tensile strength is measured, the length of the material to be measured is longer, and it is necessary to increase the width on both sides of the movable plate 47 and the fixed plate 462, the first widening plate 48 and the second widening plate 49 on both sides of the movable plate 47 are moved to be in the same plane as the movable plate 47, one end of the connecting rod 53 on the top of the first widening plate 48 and the second widening plate 49 is rotated to be fixed in the third guiding groove 465 on the top of the movable plate 47, the pushing block 51 in the first widening plate 48 is pushed, the connecting block 52 enters the second dovetail groove 467 on the movable plate 47, the fixing bolt on the pushing block is located at the connection position between the first widening plate 48 and the movable plate 47, the fixing bolt is locked, the movable plate 47 is connected with the first widening plate 48 and the movable plate 47, the second widening plate 49 on the other side of the movable plate 47 is operated in the same way, the first widening plate 48 and the second widening plate 49 on both sides of the fixed plate 462 are also operated in the same way as above, the operation steps described in the first embodiment are then performed.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model.

Claims (7)

1. A universal material testing machine comprises a base (1) and a group of stand columns (2) installed on the base (1), wherein lifting mechanisms (3) capable of moving up and down are arranged on the stand columns (2), a test bed (11) is arranged at the top of the base (1), a pressing block (32) is arranged at one end of each lifting mechanism (3), the pressing block (32) is arranged corresponding to the test bed (11), clamping mechanisms (4) are symmetrically arranged on the pressing block (32) and the test bed (11) respectively, the universal material testing machine is characterized in that each clamping mechanism (4) comprises a mounting plate (46), a fixing plate (462) is fixedly arranged at one end of each mounting plate (46), a movable plate (47) in sliding fit with the mounting plate (46) is arranged at the other end of each mounting plate, two groups of first widening plates (48) and second widening plates (49) which are symmetrically arranged are arranged on the mounting plate (46), and the first widening plates (48) and the second widening plates (49) are located on two sides of the movable plate (47), the other group is positioned at both sides of the fixed plate (462), and the bottom of the other end of the mounting plate (46) is provided with a driving component for driving the movable plate (47).

2. The universal material testing machine according to claim 1, wherein the mounting plate (46) comprises a working plate (461), a mounting shaft (41) for mounting on the test bed (11) is arranged at the bottom of the working plate (461), the fixing plate (462) is arranged at one end of the working plate (461), a first dovetail groove (466) is arranged at the other end of the working plate (461), a predetermined distance is arranged between the first dovetail groove (466) and the fixing plate (462), a rectangular groove (468) penetrating through the bottom of the mounting plate (46) is arranged at the bottom of the first dovetail groove (466), the rectangular groove (468) is communicated with the first dovetail groove (466) and the bottom of the mounting plate (46), a set of symmetrical first guide grooves (463) is arranged at one end of the working plate (461), the first guide grooves (463) are respectively positioned at two sides of the first dovetail groove (466), a second guide groove (464) is arranged at the other end of the working plate (461), the second guide grooves (464) are located on both sides of the fixing plate (462) and respectively correspond to the first guide grooves (463).

3. The universal material testing machine as claimed in claim 2, wherein a set of rotating seats (43) are respectively provided at the bottom of the mounting plate (46), and the driving assembly is inserted into the rotating seats (43).

4. The universal material testing machine according to claim 3, wherein the driving assembly comprises a motor (45), the motor (45) is located on one side of the rotating seats (43), a screw rod (44) is arranged on an output shaft of the motor (45), the screw rod (44) is arranged on one group of rotating seats (43) in a penetrating mode, the bottoms of the rotating seats (43) are connected with the bottom plate (42), and the bottoms of the bottom plate (42) are connected with the mounting shafts (41).

5. The universal material testing machine according to claim 2, wherein the movable plate (47) is slidably fitted in the first dovetail groove (466), the movable plate (47) comprises a clamping plate (471) and a dovetail boss (472) arranged at the bottom of the clamping plate, the bottom of the dovetail boss (472) is provided with a mounting block (473), and the mounting block (473) is arranged between the rotating seats (43) and is rotatably fitted on the screw rod (44).

6. The universal material testing machine according to claim 2, wherein one set of the first widening plate (48) and the second widening plate (49) are respectively disposed on both sides of the clamping plate (471), and the other set of the first widening plate (48) and the second widening plate (49) are respectively disposed on both sides of the fixing plate (462).

7. The universal material testing machine according to claim 5, wherein the first widening plate (48) and the second widening plate (49) are respectively provided with a connecting assembly (5) for connecting the corresponding clamping plate (471) and the fixing plate (462).

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