CN210626227U

CN210626227U - Special cement bending resistance testing device for universal testing machine

Info

Publication number: CN210626227U
Application number: CN201921336399.5U
Authority: CN
Inventors: 费振超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-18
Filing date: 2019-08-18
Publication date: 2020-05-26
Anticipated expiration: 2029-08-18

Abstract

The utility model discloses a special cement bending resistance testing arrangement of universal tester, it constitutes a combination through two supporting shoes and lifts the thing to be tested to the clearance can accurate regulation between two supporting shoes, moreover, it can realize the location of the thing to be tested on the fore-and-aft direction, guarantees that the thing to be tested can not swing back and forth and influence the measuring accuracy when testing; the force application assembly designed by the utility model is provided with two forms of force application surfaces, one is a cambered surface and the other is a taper sharp angle surface, and the force application assembly can be used for pressure tests under different conditions; the utility model is provided with a traction gap, and the traction force of the locking object can be tested after the tested object is put in; to sum up, the utility model discloses the structure sets up the novelty, and it can cooperate the universal tester to accomplish the strength test of multiple specification article, the special cement bending resistance testing arrangement of universal tester of a time ideal.

Description

Special cement bending resistance testing device for universal testing machine

Technical Field

The utility model belongs to the technical field of cement slab and cement goods test equipment, concretely relates to special cement bending resistance testing arrangement of universal tester.

Background

In the field of building, it is known that, in order to verify whether cement is qualified, a strength test needs to be performed on a product, a conventional equipment for performing a strength test on a cement product is a cement electric bending tester, and such a testing device is specially used for the strength test of the cement product, and is used for testing the shearing and bending strength of the cement product by making the cement product into a plate shape or a block shape and then electrically controlling the cement product.

The cement electric bending tester is special test equipment with strong pertinence, and the equipment is only suitable for testing the strength of cement, so that the application range of the equipment is narrow; because most of the existing test laboratories are equipped with universal testing machines, the test equipment has strong functions, and can realize the strength test of various materials under the condition of being equipped with special test tools; aiming at the use defect of the existing cement electric anti-bending testing machine, how to improve the strength test through the technology, the technical problem to be solved by technical personnel in the industry is urgent.

Disclosure of Invention

For overcoming prior art not enough, the utility model provides a special cement bending resistance testing arrangement of universal tester, it can realize plate-like cement goods and concrete panel's strength test through novel structural design, and it can effectual improvement efficiency of software testing.

In order to achieve the technical purpose, the utility model adopts the following scheme: a cement bending resistance testing device special for a universal testing machine is fixed on a testing machine table of the universal testing machine, and consists of two parts, namely a lower support assembly and an upper force application assembly fixed on a force application end of the universal testing machine; the support assembly comprises two support blocks which are arranged in bilateral symmetry, the front end and the rear end of each support block are both provided with a support bulge, the support bulges are used for fixing the lower support columns, and the two support blocks which are arranged in bilateral symmetry are connected and fixed through connecting rods; the two supporting blocks which are arranged symmetrically left and right are connected and fixed through a telescopic rubber sheet; the bottom of the force application assembly is provided with a fixed frame, the bottom of the fixed frame is fixedly provided with an upper fixed block, and a force application device is erected between the two upper fixed blocks arranged in the front and at the back; the force application device consists of an arc surface and a taper surface.

The force application assembly comprises a connecting column and a traction locking device arranged at the bottom of the connecting column, the traction locking device is used for fixing the riveting bolt, and the tightening force is increased along with the increase of the traction force.

The connecting rod is provided with scales and a middle mark.

Vertical fixing holes are formed in each supporting block, and the positioning columns are inserted into the vertical fixing holes to limit the front and back directions of the tested object.

Each supporting block is provided with an outer side extending edge, and the vertical fixing hole is formed in the outer side extending edge.

Grooves are formed in the front end and the rear end of the fixing frame in a sister mode, an upper fixing block is fixed in each groove, and the top surface of each upper fixing block is arranged in each groove; the rear end of the upper fixed block is provided with a through hole for inserting a force application device, the front end of the upper fixed block is a positioning end and is provided with a positioning tooth socket, and a force application positioning mark is arranged corresponding to any positioning tooth socket; the front end of the force application device is provided with a positioning tooth, the front end surface of the force application device is correspondingly provided with a function identifier by an arc surface and a taper surface, and the confirmation of the placing angle of the force application device is realized by the correspondence of the function identifier and the force application positioning identifier.

And a gap is arranged between the front supporting bulge and the rear supporting bulge on the supporting block, and a traction gap for placing a tested object is arranged below the lower supporting column in the gap.

The utility model has the advantages that: through the structure, the utility model can lift the tested object by forming a combination through the two supporting blocks, and the gap between the two supporting blocks can be accurately adjusted, furthermore, the utility model can realize the positioning of the tested object in the front and back directions, thereby ensuring that the tested object can not swing back and forth to influence the testing precision during the testing; the force application assembly designed by the utility model is provided with two forms of force application surfaces, one is a cambered surface and the other is a taper sharp angle surface, and the force application assembly can be used for pressure tests under different conditions; the utility model is provided with a traction gap, and the traction force of the locking object can be tested after the tested object is put in; to sum up, the utility model discloses the structure sets up the novelty, and it can cooperate the universal tester to accomplish the strength test of multiple specification article, is the special cement bending resistance testing arrangement of universal tester of an ideal.

Drawings

FIG. 1 is a schematic view of the internal three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the external three-dimensional structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the structure of the present invention;

FIG. 5 is an enlarged schematic view of the area A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of a three-dimensional structure of the utility model in use;

fig. 7 is a schematic view ii of the three-dimensional structure of the utility model in the use state;

in the attached drawings, the device comprises a support assembly 1, a support assembly 2, a force application assembly 3, a support block 4, a support protrusion 5, an outer extending edge 6, a vertical fixing hole 7, a lower support column 8, a telescopic rubber sheet 9, a connecting rod 10, scales 11, a middle mark 12, a connecting column 13, a fixing frame 14, a groove 15, a bolt 16, an upper fixing block 17, a positioning end 18, a force application pressing rod 19, a dust cover 20, a taper surface 21, an arc surface function mark 22, a conical surface function mark 23, a force application positioning mark 24, a positioning column 25, a cement plate 26, an arc surface 27, a riveting bolt 28, a traction locking device 29, a traction gap 30 and a machine base plate.

Detailed Description

Referring to fig. 1, a special cement bending resistance testing device for a universal testing machine is fixed above a machine base plate of the universal testing machine by means of a testing machine, and comprises two parts, namely a lower support assembly 1 and an upper force application assembly 2 fixed on a force application end of the universal testing machine; the support assembly 1 comprises two support blocks 3 which are arranged in a bilateral symmetry manner, the support blocks are arranged in an L-shaped structure, a support bulge 4 is arranged at each of the front end and the rear end of each support block, a lower support column 7 is fixed through the support bulge 4, the two support blocks 3 which are arranged in the bilateral symmetry manner are connected and fixed through a connecting rod 9, and scales 10 and a middle mark 11 are arranged on the connecting rod; the two connecting rods 9 are arranged, firstly, the connecting rods 9 limit the supporting block 3 to be separated towards the left side and the right side when stressed, the supporting block 3 is prevented from being damaged during testing, and moreover, the left gap and the right gap of the device can be adjusted by referring to the scales 10; the two support blocks 3 which are symmetrically arranged at left and right are connected and fixed through the telescopic rubber sheets 8, and the telescopic rubber sheets 8 are riveted or bonded on the support blocks, so that external foreign matters can be prevented from falling into the fixed sliding grooves in the machine base plate 30; the bottom of the force application assembly 2 is provided with a fixed frame 13, the front end and the rear end of the bottom of the fixed frame 13 are respectively provided with a groove 14, an upper fixed block 17 is fixed in the groove 14, the top surface of the upper fixed block 17 is arranged in the groove, a force application device is erected between the two upper fixed blocks 17 arranged in the front and the rear direction, the force application device is a force application pressure rod 18, and by the structural arrangement, the reaction force borne by the force application pressure rod 18 during pressing down can be completely transmitted to the fixed frame 13; the force applying pressure lever 18 is composed of an arc surface 26 and a taper surface 20, and different testing forces are respectively realized through different appearance settings.

Example 1:

when the utility model is used, as shown in fig. 6, the cement product is made into a plate-shaped structure, the cement board 25 is lifted and fixed through the lower support columns 7 on the two support blocks 3, meanwhile, each support block 3 is provided with an outer side extending edge 5, the outer side extending edge 5 is provided with a vertical fixing hole 6, and the cement board 25 is positioned in the front and rear direction through the positioning columns 24 arranged in the vertical fixing holes 6; by selecting the pressure applying lever 18 with different functions, for example, the conversion of the pressure applying lever 18 between the arc surface 26 or the taper surface 20 can be realized, which can represent different force applying standards; the adjusting method comprises the following steps: on the upper fixing block 16, the rear end is a through hole designed to realize the insertion of the force applying pressure lever 18, the front end is a positioning end 17 and is provided with a positioning tooth socket, as shown in fig. 4 and 5, a force applying positioning mark 23 is arranged corresponding to the positioning tooth socket at the bottommost end; the front end of the force application pressure lever 18 is provided with a positioning tooth, the front end surface of the force application pressure lever 18 is provided with a conical surface function mark 22 and a cambered surface function mark 21 corresponding to the arc surface and the taper surface respectively, and through the design, the conical surface function mark 22 or the force application positioning mark 23 can be aligned and installed with the force application positioning mark 23 to achieve adjustment of different test modes.

The utility model discloses an above design back, through the spliced pole 12 downstream on the universal tester application of force end, drive application of force depression bar 18 and act on cement board 25, cement board 25's bottom and the contact of lower support column 7 to this atress test that realizes cement board 25.

In the test process, need destroy cement board 25, so can appear the cement piece, in order to prevent that the piece from falling into flexible rubber 8, the accessible places the dust cover 19 of a telescopic metal in flexible rubber 8 outside, and the dust cover through the tapering design realizes that clastic front and back reposition of redundant personnel is discharged, and this kind of dust cover is general in automatic lathe, and its specific structure is no longer repeated.

Example 2:

the utility model discloses still can realize the test to the rivet riveting intensity on the cement board, supporting shoe 3 on, be provided with the clearance between two front and back support protrusions 4 in the clearance, the below of lower prop post is provided with a tractive clearance 29 that can place the object under test. By inserting the cement board 25 with rivet into the pulling gap 29 and replacing the force application assembly 2 with the combination of the connecting column 12 and the pulling and locking device 28, the pulling and locking device 28 is used for fixing the riveting bolt, the tightening force is increased along with the increase of the pulling force, and the structure is universal in the existing universal testing machine pulling device, and details are not repeated.

When the test is carried out, the pulling and locking device 28 grasps the rivet, the top surface of the cement plate and the lower support column 7 are extruded, and the pulling and locking device 28 gradually applies force upwards, so that the test of the riveting strength is realized.

To sum up, the utility model discloses the structure sets up the novelty, and it can cooperate the universal tester to accomplish the strength test of multiple specification article, the special cement bending resistance testing arrangement of universal tester of a time ideal.

Claims

1. The utility model provides a special cement of universal tester anti-bending testing arrangement, its fixes on universal tester's test board, its characterized in that: the device consists of two parts, namely a lower support assembly and an upper force application assembly which is fixed on the force application end of the universal testing machine; the support assembly comprises two support blocks which are arranged in bilateral symmetry, the front end and the rear end of each support block are both provided with a support bulge, the support bulges are used for fixing the lower support columns, and the two support blocks which are arranged in bilateral symmetry are connected and fixed through connecting rods; the two supporting blocks which are arranged symmetrically left and right are connected and fixed through a telescopic rubber sheet; the bottom of the force application assembly is provided with a fixed frame, the bottom of the fixed frame is fixedly provided with an upper fixed block, and a force application device is erected between the two upper fixed blocks arranged in the front and at the back; the force application device consists of an arc surface and a taper surface.

2. The cement bending resistance testing device special for the universal testing machine as claimed in claim 1, characterized in that: the force application assembly comprises a connecting column and a traction locking device arranged at the bottom of the connecting column, the traction locking device is used for fixing the riveting bolt, and the tightening force is increased along with the increase of the traction force.

3. The cement bending resistance testing device special for the universal testing machine as claimed in claim 1, characterized in that: the connecting rod is provided with scales and a middle mark.

4. The cement bending resistance testing device special for the universal testing machine as claimed in claim 1, characterized in that: vertical fixing holes are formed in each supporting block, and the positioning columns are inserted into the vertical fixing holes to limit the front and back directions of the tested object.

5. The cement bending resistance testing device special for the universal testing machine as claimed in claim 4, characterized in that: each supporting block is provided with an outer side extending edge, and the vertical fixing hole is formed in the outer side extending edge.

6. The cement bending resistance testing device special for the universal testing machine as claimed in claim 1, characterized in that: grooves are formed in the front end and the rear end of the fixing frame in a sister mode, an upper fixing block is fixed in each groove, and the top surface of each upper fixing block is arranged in each groove; the rear end of the upper fixed block is provided with a through hole for inserting a force application device, the front end of the upper fixed block is a positioning end and is provided with a positioning tooth socket, and a force application positioning mark is arranged corresponding to any positioning tooth socket; the front end of the force application device is provided with a positioning tooth, the front end surface of the force application device is correspondingly provided with a function identifier by an arc surface and a taper surface, and the confirmation of the placing angle of the force application device is realized by the correspondence of the function identifier and the force application positioning identifier.

7. The cement bending resistance testing device special for the universal testing machine as claimed in claim 1, characterized in that: and a gap is arranged between the front supporting bulge and the rear supporting bulge on the supporting block, and a traction gap for placing a tested object is arranged below the lower supporting column in the gap.