CN212621899U

CN212621899U - Auxiliary device for universal testing machine

Info

Publication number: CN212621899U
Application number: CN202021206232.XU
Authority: CN
Inventors: 窦楠楠; 范鑫; 王满妮; 高莎莎
Original assignee: Xi'an Zhengtong Municipal Engineering Test And Detection Co ltd
Current assignee: Xi'an Zhengtong Municipal Engineering Test And Detection Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-26
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to an auxiliary device for universal testing machine, which comprises a supporting seat, the last chuck that supporting seat one end is connected jointly is kept away from to at least two sets of support columns and all support columns that are located on the supporting seat, still be provided with two sets of axial parallel arrangement's threaded rod on the supporting seat, support column and threaded rod axial parallel arrangement, install drive threaded rod pivoted drive assembly on the supporting seat, be provided with down the chuck on two sets of threaded rods jointly, install the pressure head on the lower chuck diapire, be provided with the backup pad on the supporting seat, and the supporting seat passes through coupling assembling with the backup pad to be connected, the backup pad surface is provided with two sets of bracing pieces that can treat the detection product and carry out. This application can treat through two sets of bracing pieces that are located supporting platform and detect the product and support, and rethread pressure head carries out compression test to waiting to detect the product, improves universal tester's application scope.

Description

Auxiliary device for universal testing machine

Technical Field

The application relates to the technical field of detection equipment, in particular to an auxiliary device for a universal testing machine.

Background

The universal testing machine is a material testing machine integrating the functions of stretching, bending, compressing, shearing and the like, is mainly used for mechanical property tests of metal and nonmetal materials, and is mainly used for performance detection in units such as detection units, industrial and mining enterprises, scientific research units, universities and colleges, engineering quality supervision stations and the like at present.

Chinese patent with publication number CN210293886U discloses a universal testing machine, which comprises a base, a support rod arranged on the base, an upper beam arranged at the top of the support rod, a lower beam arranged below the upper beam, a jaw arranged on the opposite surface of the upper beam and the lower beam, a clamp arranged on the jaw and used for clamping a sample, and a lifting mechanism used for driving the lower beam to move up and down, wherein the bottom of the jaw is provided with a chute, and the chute is connected with two clamping plates used for clamping the end of the sample in a sliding way; and a driving mechanism for driving the two clamping plates to synchronously and reversely move along the sliding groove is arranged in the sliding groove.

When the universal testing machine is used, the upper end and the lower end of a sample are placed between the upper cross beam and the lower cross beam respectively, an operator rotates the hand wheel to drive the threaded rod to rotate, the two clamping plates move synchronously and oppositely under the combined action of the two segmented threads, the limiting groove and the limiting block, the upper clamping plate and the lower clamping plate respectively clamp the upper end and the lower end of the sample, the upper clamping plate and the lower clamping plate can apply limitation to the sample in the front-back direction of the universal testing machine, the upper clamping plate and the lower clamping plate are driven to limit the sample in the left-right direction, and the sample is limited.

According to the technical scheme, the universal testing machine cannot perform compression testing, so that the application range of the universal testing machine is small.

SUMMERY OF THE UTILITY MODEL

Can carry out compression test for universal tester, through two sets of bracing pieces that are located on supporting platform, can treat to detect the product and support, rethread pressure head carries out compression test to waiting to detect the product, improves universal tester's application scope, and this application provides an auxiliary device for universal tester.

The application provides a omnipotent auxiliary device for testing machine adopts following technical scheme:

the utility model provides an omnipotent auxiliary device for testing machine, includes the supporting seat, is located at least two sets of support columns and whole on the supporting seat the support column is kept away from the common last chuck that connects of supporting seat one end, still be provided with two sets of axial parallel arrangement's threaded rod on the supporting seat, support column and threaded rod axial parallel arrangement, install the drive on the supporting seat threaded rod pivoted drive assembly, it is two sets of be provided with down the chuck on the threaded rod jointly, install the pressure head down on the chuck diapire, be provided with the backup pad on the supporting seat, just the supporting seat passes through coupling assembling with the backup pad and is connected, the backup pad surface is provided with two sets of bracing pieces that can treat the product that detects and carry out the detection, and is two sets of length.

By adopting the technical scheme, when a product to be detected is subjected to a compression test, the adjusting assembly is adjusted, the adjusting assembly drives the supporting rods to move, the distance between the two groups of supporting rods is adjusted, then the product to be detected is placed on the two supporting rods, then the driving assembly is adjusted, the driving assembly drives the threaded rod to rotate, the threaded rod drives the lower chuck to move, the lower chuck drives the pressing head to move, and the pressing head is used for performing the compression test on the product to be detected; the utility model discloses an auxiliary device for universal testing machine through being located two sets of bracing pieces on supporting platform, can treat to detect the product and support, and rethread pressure head carries out compression test to treating to detect the product, improves universal testing machine's application scope.

Preferably, the adjusting part is including being located two sets of grooves that slide of backup pad, and is two sets of the groove that slides is along length direction parallel arrangement, it can follow to slide the sliding block that the groove slided to slide to be provided with in the groove that slides, the sliding block is connected with the backup pad diapire, runs through two sliding block threaded connection has two-way screw rod, two-way screw rod stretches out install a driving motor on the extension section of backup pad.

By adopting the technical scheme, the first driving motor is adjusted, the driving shaft of the first driving motor drives the bidirectional screw to rotate, the bidirectional screw drives the sliding block to move along the sliding groove, the sliding block drives the supporting rods to move, and then the distance between the two supporting rods is adjusted; the adjusting part of design is convenient for adjust the interval between two bracing pieces for two bracing pieces can detect the product that waits to detect of different length, improve omnipotent testing machine auxiliary device's application scope.

Preferably, the bidirectional screw comprises a positive thread section and a negative thread section which are integrally arranged, and the sliding blocks are respectively arranged on the positive thread section and the negative thread section.

By adopting the technical scheme, the designed bidirectional screw is convenient for driving the two groups of sliding blocks in the same sliding groove to move in opposite directions or deviate.

Preferably, the drive assembly include in the caulking groove of seting up on the supporting seat, threaded rod one end stretches into in the caulking groove, the threaded rod stretches into install driven gear on the extension section of caulking groove, install second driving motor in the caulking groove, install the driving gear in second driving motor's the drive shaft, the driving gear passes through drive chain with driven gear and is connected.

By adopting the technical scheme, the second driving motor is adjusted, the driving shaft of the second driving motor drives the driving gear to rotate, the driving gear drives the transmission chain to rotate, the rotation chain drives the driven gear to rotate, the driven gear drives the threaded rod to rotate, and therefore the lifting of the lower chuck is realized, and the performance detection of a product to be detected is realized; the drive assembly who designs can drive the threaded rod and rotate, and then the motion of drive chuck down realizes treating the performance detection who detects the product.

Preferably, the support plate is located between two sets of the threaded rods.

Through adopting above-mentioned technical scheme, be located the backup pad between the threaded rod, can prevent that the backup pad from causing the interference to the threaded rod, the performance that the product was detected to the influence detects.

Preferably, the periphery of the lower chuck is provided with a guide embedding hole for embedding the support column.

Through adopting above-mentioned technical scheme, the direction of design inlays the hole, and the cooperation support column of being convenient for leads chuck down, realizes the lift of chuck down.

Preferably, the connecting assembly comprises at least two sets of mounting holes on the supporting seat, and the bottom wall of the supporting plate is provided with plug-in connectors which are matched and plugged with the mounting holes.

Through adopting above-mentioned technical scheme, the bayonet joint and the mounting hole of design are convenient for install the backup pad, prevent that the backup pad from taking place the offset.

Preferably, the supporting seat is provided with a cover shell.

Through adopting above-mentioned technical scheme, the housing of design is convenient for protect the staff, prevents to treat the in-process that detects the performance of detecting the product and causes the injury to the staff.

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

1. the utility model discloses an auxiliary device for universal testing machine, through two sets of bracing pieces that are located on the supporting platform, can support the product to be detected, and then carry out the compression test to the product to be detected through the pressure head, improve the application scope of universal testing machine;

2. the utility model discloses an auxiliary device for universal testing machine, the adjusting part of design is convenient for adjust the interval between two bracing pieces for two bracing pieces can detect the product that detects of waiting of different length, improve auxiliary device for universal testing machine's application scope.

Drawings

FIG. 1 is a front view of an auxiliary device for a universal testing machine according to an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2.

Description of reference numerals: 1. a supporting seat; 11. a housing; 12. a support pillar; 13. a threaded rod; 2. a support plate; 3. an upper chuck; 4. a lower chuck; 41. a guide embedding hole; 5. a pressure head; 6. a support bar; 7. an adjustment assembly; 71. a first drive motor; 72. a bidirectional screw; 73. a sliding groove; 74. a sliding block; 8. a connecting assembly; 81. a plug-in connector; 82. mounting holes; 9. a drive assembly; 91. a second drive motor; 92. a driving gear; 93. a driven gear; 94. a transmission chain.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses auxiliary device for universal testing machine.

Referring to fig. 1 and 2, an auxiliary device for universal testing machine, including supporting seat 1, the common last chuck 3 of connecting of supporting seat 1 one end is kept away from to two sets of support columns 12 and two sets of support columns 12 that are located on supporting seat 1, two sets of support columns 12 are close to the both sides setting of supporting seat 1 respectively, and every support column 12 of group all includes two axial parallel arrangement's support column 12, the welding has housing 11 on the supporting seat 1, rotate on the supporting seat 1 and be connected with two sets of axial parallel arrangement's threaded rod 13, threaded rod 13 is located between two same sets of support columns 12, and

support column

12 and 13 axial parallel arrangement of threaded rod, install drive threaded rod 13 pivoted drive assembly 9 on the supporting seat 1, be provided with chuck 4 down on two sets of threaded rod 13 jointly, hole 41 is inlayed in the.

Referring to fig. 2, install pressure head 5 on the 4 diapalls of lower chuck, be provided with backup pad 2 on the supporting seat 1, and supporting seat 1 is connected through coupling assembling 8 with backup pad 2, and backup pad 2 is located between two sets of threaded

rods

13, and 2 surfaces in backup pad are provided with two sets of bracing pieces 6 that can treat the detection product and carry out the detection, and two sets of bracing pieces 6 are along length direction parallel arrangement, and are provided with adjusting part 7 on two sets of bracing pieces 6.

Referring to fig. 2, the connecting assembly 8 includes two sets of mounting holes 82 on the supporting base 1, and the bottom wall of the supporting plate 2 is fixedly connected with a plug 81 which is matched and plugged with the mounting holes 82.

Referring to fig. 2 and 3, adjusting part 7 includes two sets of sliding grooves 73 that are located backup pad 2, two sets of sliding grooves 73 are along length direction parallel arrangement, install the sliding block 74 that can slide along sliding groove 73 in the sliding groove 73, sliding block 74 surface stretches out and backup pad 2 diapire fixed connection, run through two sliding block 74 threaded connection and have two-way screw rod 72, two-way screw rod 72 includes integrative positive thread section and the negative thread section that sets up, sliding block 74 is installed respectively on positive thread section and negative thread section, two-way screw rod 72 stretches out and installs first driving motor 71 on the extension section of backup pad 2.

Referring to fig. 2 and 3, the driving assembly 9 includes a caulking groove formed in the supporting seat 1, one end of the threaded rod 13 extends into the caulking groove, a driven gear 93 is installed on an extending section of the threaded rod 13 extending into the caulking groove, a second driving motor 91 is installed in the caulking groove, a driving gear 92 is installed on a driving shaft of the second driving motor 91, and the driving gear 92 is connected with the driven gear 93 through a transmission chain 94.

The implementation principle of the auxiliary device for the universal testing machine in the embodiment of the application is as follows: when treating to detect the product and carrying out compression test, adjust first driving motor 71, the drive shaft of first driving motor 71 drives two-way screw 72 and rotates, and two-way screw 72 drives sliding block 74 and moves along sliding groove 73, and sliding block 74 drives bracing piece 6 and moves, and then adjusts the interval between two bracing pieces 6, and the interval of treating between two bracing pieces 6 can supply to detect the product of detecting and place. Then will wait to detect the product and place on two bracing pieces 6, then adjust second driving motor 91, the drive shaft of second driving motor 91 drives driving gear 92 and rotates, and driving gear 92 drives drive chain 94 and rotates, and the rotation chain drives driven gear 93 and rotates, and driven gear 93 drives threaded rod 13 and rotates, realizes the lift of chuck 4 down, and then drives the motion of pressure head 5, and pressure head 5 treats that the product that detects carries out compression 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 an auxiliary device for universal testing machine, includes supporting seat (1), is located at least two sets of support columns (12) and whole on supporting seat (1) support column (12) are kept away from support seat (1) one end is connected last chuck (3) jointly, still be provided with two sets of axial parallel arrangement's threaded rod (13) on supporting seat (1), support column (12) and threaded rod (13) axial parallel arrangement, install the drive on supporting seat (1) threaded rod (13) pivoted drive assembly (9), it is two sets of be provided with down chuck (4) on threaded rod (13) jointly, its characterized in that: install pressure head (5) on chuck (4) diapire down, be provided with backup pad (2) on supporting seat (1), just supporting seat (1) is connected through coupling assembling (8) with backup pad (2), backup pad (2) surface is provided with two sets ofly can treat that the product that detects carries out bracing piece (6), and is two sets of length direction parallel arrangement is followed in bracing piece (6), and is two sets of be provided with adjusting part (7) on bracing piece (6).

2. The auxiliary device for the universal testing machine according to claim 1, wherein: adjusting part (7) is including being located two sets of grooves (73) that slide of backup pad (2), two sets of slide groove (73) are along length direction parallel arrangement, it can follow to be provided with in slide groove (73) slide block (74) that slide groove (73) slided, slide block (74) are connected with backup pad (2) diapire, run through two slide block (74) threaded connection has two-way screw rod (72), two-way screw rod (72) stretch out install first driving motor (71) on the extension section of backup pad (2).

3. The auxiliary device for the universal testing machine according to claim 2, wherein: the bidirectional screw (72) comprises a positive thread section and a negative thread section which are integrally arranged, and the sliding blocks (74) are respectively arranged on the positive thread section and the negative thread section.

4. The auxiliary device for the universal testing machine according to claim 1, wherein: drive assembly (9) include in the caulking groove of seting up on supporting seat (1), threaded rod (13) one end stretches into in the caulking groove, threaded rod (13) stretch into install driven gear (93) on the extension of caulking groove, install second driving motor (91) in the caulking groove, install driving gear (92) in the drive shaft of second driving motor (91), driving gear (92) are connected through drive chain (94) with driven gear (93).

5. The auxiliary device for the universal testing machine according to claim 4, wherein: the supporting plate (2) is positioned between the two groups of threaded rods (13).

6. The auxiliary device for the universal testing machine according to claim 1, wherein: and a guide embedding hole (41) for embedding the support column (12) is formed in the periphery of the lower chuck (4).

7. The auxiliary device for the universal testing machine according to claim 1, wherein: the connecting assembly (8) comprises at least two groups of mounting holes (82) formed in the supporting seat (1), and plug connectors (81) which are matched and plugged with the mounting holes (82) are arranged on the bottom wall of the supporting plate (2).

8. The auxiliary device for the universal testing machine according to claim 1, wherein: the supporting seat (1) is provided with a housing (11).