CN210604185U

CN210604185U - Plate tension test device

Info

Publication number: CN210604185U
Application number: CN201921683135.7U
Authority: CN
Inventors: 王国海; 马盛炎; 周鑫
Original assignee: Shaoxing Hongxin Engineering Testing Technology Co Ltd
Current assignee: Shaoxing Hongxin Engineering Testing Technology Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-05-22
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a panel tensile test device, roof including from top to bottom setting, tensile platform and frame, connect through the stand that is square distribution between roof and frame, the stand passes tensile platform and with tensile platform sliding connection, tensile platform lower surface and frame upper surface all install locking device, locking device includes the fixing base, the clamp external member that links firmly with the fixing base, a pair of relative symmetry inlays the card appearance piece of establishing in pressing from both sides the external member, two end plate spare that the closing cap presss from both sides the external member both ends respectively, press from both sides the mutual clamp through fastening component realization between clamp external member and two end plate spare, the sunken formation card appearance groove that forms of interior terminal surface of card appearance piece. The utility model discloses can stabilize centre gripping sample and do not have the destruction to the sample, improve experimental success rate and rate of accuracy.

Description

Plate tension test device

Technical Field

The utility model relates to a metal material mechanical properties check out test set technical field especially relates to a panel tensile test device.

Background

The tensile test plays an important role in determining the elastic limit, the elongation, the elastic modulus, the proportional limit, the area reduction, the tensile strength, the yield point, the yield strength and other tensile performance indexes of the metal material. The clamp of the currently used tensile testing machine generally adopts a clamp to clamp a sample, the structure of the sample is shown in fig. 4, the sample 8 is a structure with two wide ends and a narrow middle, the sample 8 comprises a clamping part 81 and a stretching part 82, and the clamping part 81 is connected with the stretching part 82 through a bent connecting part 83. Slippage between the jaws and the grip 81 during the pull test is likely, and particularly for thinner test specimens 8, slippage occurs more frequently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a panel tension test device, can stabilize the centre gripping sample and do not have destruction to the sample, improved experimental success rate and rate of accuracy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a panel tensile test device, is including roof, tensile platform and the frame that from top to bottom sets up, connect through the stand that is square distribution between roof and frame, the stand pass tensile platform and with tensile platform sliding connection, tensile platform lower surface and frame upper surface all install locking device, locking device includes the fixing base, inlay the clamp external member, two end plate spare that the closing cap presss from both sides the external member both ends respectively that establish in pressing from both sides the external member with the clamp external member that the fixing base linked firmly, a pair of relative symmetry, press from both sides the mutual clamp through fastening component realization between clamp external member and two end plate spare, the sunken card appearance groove that forms of interior terminal surface of card external member.

The fastening assembly comprises screws respectively penetrating through four corners of the jacket piece and four corners of the two end plate pieces and a pair of nuts in threaded connection with each screw, and the pair of nuts are respectively arranged on the outer sides of the end plate pieces.

And nuts are respectively screwed at the two end parts of each screw rod.

The protruding spacing portion that forms in both ends side around the card appearance spare, set up the open-ended logical groove of terminal surface on the clamp external member, the sunken spacing groove that makes spacing portion laminating embedding that forms of both sides face around leading to the groove.

The middle part of one side of the top plate and the corresponding machine base are connected with a screw rod, the screw rod penetrates through the stretching table and is in threaded connection with the stretching table, and a motor used for driving the screw rod to rotate is arranged in the machine base.

The utility model has the advantages that: the effect through screw rod, nut makes to press from both sides the external member, block appearance spare and end plate spare cooperation and presss from both sides tightly, and then realizes the firm of sample, the centre gripping of not destroying, and structural design is reasonable, has improved experimental success rate and rate of accuracy, and test effect is good, in addition, can be used to test the sample of different thickness through changing the card appearance spare, and it is convenient to change, and the facilitate promotion is used.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a perspective view of the combination of the clip kit, the clip sample and the end plate;

fig. 4 is a schematic perspective view of a sample.

In the figure: the device comprises a top plate 1, a machine base 2, a stand column 3, a stretching table 4, a locking device 5, a fixed seat 51, a clamping sleeve piece 52, a through groove 521, a limiting groove 522, a sample clamping piece 53, a limiting part 531, an end plate piece 54, a screw 55, a nut 56, a sample clamping groove 57, a screw rod 6, a motor 7, a sample 8, a clamping part 81, a stretching part 82 and a connecting part 83.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-3, a panel tensile test device, including roof 1, tensile platform 4 and the frame 2 that from top to bottom sets up, connect through the stand 3 that is square distribution between roof 1 and frame 2, the utility model discloses in, the quantity of stand 3 is four.

Stand 3 pass tensile platform 4 and with tensile platform 4 sliding connection, be connected with lead screw 6 between 1 one side middle part of roof and the frame 2 that corresponds, lead screw 6 passes tensile platform 4 and with tensile platform 4 spiro union, be equipped with in the frame 2 and be used for driving lead screw 6 pivoted motor 7, stand 3 leads for the up-and-down motion of tensile platform 4.

Locking device 5 is all installed with frame 2 upper surface to tensile 4 lower surface of platform, locking device 5 includes fixing base 51, the jacket spare 52 that links firmly with fixing base 51, a pair of relative symmetry inlays establishes card appearance piece 53 in pressing from both sides external member 52, two end plate spare 54 that cover respectively and press from both sides external member 52 both ends, press from both sides external member 52 and realize clamping each other through fastening component between two end plate spare 54, specifically, fastening component includes the screw rod 55 and the pair of nut 56 of spiro union on every screw rod 55 that pass respectively and press from both sides external member 52 four corners department and two end plate spare 54 four corners department, and a pair of nut 56 sets up respectively in the outside of end plate spare 54, every the both ends of screw rod 55 are still spiro union respectively has nut 56, and the nut 56 of tip is used for preventing inboard nut 56 from revolving from screw rod 55, avoids losing.

The side surfaces of the front end and the rear end of the card sample piece 53 are protruded to form limiting parts 531, the clamp sleeve piece 52 is provided with a through groove 521 with an open end surface, the front side surface and the rear side surface of the through groove 521 are sunken to form limiting grooves 522 which enable the limiting parts 531 to be attached and embedded, and therefore the card sample piece 53 cannot fall off after being embedded in the clamp sleeve piece 52 and can move along with the movement of the clamp sleeve piece 52.

The inner end surface of the sample clamping piece 53 is recessed to form a sample clamping groove 57, and the two sample clamping grooves 57 are matched to form a clamping groove of the sample clamping piece 53 for preventing the end part of the sample 8 from being separated.

The utility model discloses a two upper and lower locking device 5 are in order to carry out the tensile test with the both ends difference chucking of sample 8. The specific mounting method of the sample 8 is as follows: screwing the nut 56 at one side of one clamp set 52 and removing the corresponding end plate 54, taking out one card sample 53 in the clamp set 52 (a convex ring can be arranged at the bottom of the card sample 53 to be more convenient for taking out the card sample 53), clamping one end of the sample 8 into the card sample groove 57 of the card sample 53 which is not taken out, then re-embedding the taken card sample 53, screwing the nut 56 to ensure that the end plate 54 is attached to the cover clamp set 52, and simultaneously ensuring that the card sample groove 57 of the re-embedded card sample 53 is embedded with the clamping part 81 and the connecting part 83 of the sample 8 when the end plate 54 is attached to the cover clamp set 52; the other end of the sample 8 was held and fixed in the same manner as described above. For samples 8 of different thickness, this is achieved by replacing the corresponding card sample piece 53.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a panel tensile test device, includes roof (1), tensile platform (4) and frame (2) that from top to bottom set up, its characterized in that: roof (1) and frame (2) are connected through stand (3) that are square distribution between, stand (3) pass tensile platform (4) and with tensile platform (4) sliding connection, tensile platform (4) lower surface all installs locking device (5) with frame (2) upper surface, locking device (5) including fixing base (51), press from both sides external member (52), a pair of relative symmetry inlay card appearance piece (53), two end plate spare (54) that the closing cap presss from both sides external member (52) both ends respectively that establish in pressing from both sides external member (52) with fixing base (51), clamping assembly (52) and two end plate spare (54) between realize pressing from both sides each other through fastening component, the interior terminal surface of card appearance piece (53) is sunken to form card appearance groove (57).

2. A panel tension test apparatus as claimed in claim 1, wherein: the fastening assembly comprises screw rods (55) which respectively penetrate through four corners of the clamping sleeve piece (52) and four corners of the two end plate pieces (54), and a pair of nuts (56) which are screwed on each screw rod (55), wherein the nuts (56) are respectively arranged on the outer sides of the end plate pieces (54).

3. A panel tension test apparatus as claimed in claim 2, wherein: and nuts (56) are respectively screwed at the two end parts of each screw rod (55).

4. A panel tension test apparatus as claimed in claim 1, wherein: the protruding spacing portion (531) that forms in both ends side around card appearance piece (53), set up terminal surface open-ended logical groove (521) on pressing from both sides external member (52), the sunken spacing groove (522) that make spacing portion (531) laminating embedding that form of front and back both sides face that leads to groove (521).

5. A panel tension test apparatus as claimed in claim 1, wherein: the device is characterized in that a screw rod (6) is connected between the middle of one side of the top plate (1) and the corresponding machine base (2), the screw rod (6) penetrates through the stretching table (4) and is in threaded connection with the stretching table (4), and a motor (7) used for driving the screw rod (6) to rotate is arranged in the machine base (2).