CN218412048U

CN218412048U - Nut tensile testing machine

Info

Publication number: CN218412048U
Application number: CN202222614085.5U
Authority: CN
Inventors: 李红玉; 祝平斗
Original assignee: Hebei Rongte Fastener Manufacturing Co ltd
Current assignee: Hebei Rongte Fastener Manufacturing Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-31
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to the technical field of nut production and detection, in particular to a nut tension tester, which comprises a fixed frame, a fixed bolt, a frame and a tension test mechanism which is used for carrying out tension test on a nut and is convenient for observing numerical values; this device is when carrying out tensile test to the nut, threaded connection through two-way screw shaft and sliding ring and the sliding fit who presss from both sides tight piece and fixed plate, when first motor drives two-way screw shaft and rotates, can drive two sliding ring removal, thereby press from both sides tight processing to the nut, and the contained angle through pressing from both sides tight piece is 120, be applicable to the hexagonal nut of all models, such tight mode of clamp can press from both sides tight processing to the nut of most models, and through pressing from both sides the fixed of tight piece and limiting plate, can carry on spacingly to the tight nut of clamp, make it can not make the nut to take off the clamp when carrying out tensile test. Through above-mentioned technical scheme, because too much and the limited problem of equipment can the installation dimension of nut size model among the prior art has been solved.

Description

Nut tensile testing machine

Technical Field

The utility model relates to a nut production detects technical field, and is concrete, relates to a nut tensile testing machine.

Background

The nut is a nut and is screwed together with a bolt or a screw rod to play a role in fastening, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metal and other types according to different materials, and after the nut is produced, a sample is required to carry out various tests, so that the nut can be ensured to have good performances such as tensile strength, deformation resistance and the like when in use.

Current patent publication is CN215894213U a safe type tensile testing machine, including organism and the centre gripping subassembly that is used for fixed sample, the centre gripping subassembly sets up on the organism, and the centre gripping subassembly includes mounting and lower mounting, and lower mounting is fixed with the organism, goes up mounting and organism sliding connection, and the slip direction of going up the mounting is vertical direction, is provided with on the organism to be used for playing the protection casing that shelters from the effect, and the protection casing cover is established between last mounting and lower mounting.

This device has proposed because the material of carrying out the tensile test article is different, when testing through tensile test machine, some materials cracked phenomenon may appear, cause unnecessary damage to workman or other equipment in order to appear tiny sweeps when preventing to split, solve this problem through the protection casing in this device, and tensile test is most all that a batch sampling is experimental, so when carrying out tensile test like the more material of these size models of nut, tensile test machine has certain experimental ability scope, some less or great sizes can't be tested.

SUMMERY OF THE UTILITY MODEL

The utility model provides a nut tensile testing machine has solved among the correlation technique because too much and the limited problem of equipment can mounting dimension of nut size model.

The technical scheme of the utility model as follows:

a nut tension tester comprises a fixing frame, a fixing bolt, a frame, a tension test mechanism and a clamping mechanism, wherein the tension test mechanism is used for performing tension test on nuts and is convenient for observing numerical values;

the fixing bolts are arranged at four corners of the fixing frame in a penetrating manner, the frame is arranged at the upper end of the fixing frame, the clamping mechanism is arranged in the middle of the frame, and the tensile test mechanism is arranged above the clamping mechanism;

clamping mechanism includes the fixed plate, the fixed plate is fixed in the middle of the frame, the fixed plate below is provided with the two-way screw thread axle, be fixed with the stopper in the middle of the two-way screw thread axle, two-way screw thread axle peripheral threaded connection have two slip rings, the slip ring upper end is fixed with presss from both sides tight piece, it is fixed with the stopper to press from both sides tight piece upper end, two-way screw thread axle input end coupling joint has first motor.

Preferably: the tensile test mechanism comprises an electric telescopic column, the electric telescopic column is arranged above the limiting plate, the fixed end of the electric telescopic column is fixed to the frame, the second motor is installed at the telescopic end of the electric telescopic column, the output end of the second motor is provided with a test bolt, a display panel is arranged in front of the electric telescopic column, the display panel is fixed to the frame, and the front surface of the display panel is electrically connected with two operation keys.

Preferably: the bidirectional threaded shaft is connected with the frame bearing.

Preferably: the clamping block is in sliding fit with the fixing plate.

Preferably: the included angle of the clamping blocks is 120 degrees.

Preferably: the second motor is connected with the test bolt through an inner hexagonal hole.

Preferably: the test bolt is made of a titanium alloy material.

Preferably: the electric telescopic column is electrically connected with the display panel.

The utility model discloses a theory of operation and beneficial effect do:

this device is when carrying out tensile test to the nut, threaded connection through two-way screw shaft and sliding ring with press from both sides the sliding fit of tight piece and fixed plate, when first motor drives two-way screw shaft and rotates, can drive two sliding ring removals, thereby press from both sides tight processing to the nut, and the contained angle through pressing from both sides tight piece is 120, be applicable to the hexagonal nut of all models, such tight mode of clamp can press from both sides tight processing to the nut of most models, and through pressing from both sides the fixing of tight piece and limiting plate, can carry on spacingly to the tight nut that presss from both sides, make it can not make the nut take off the clamp when carrying out tensile test.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a left side sectional view of the present invention;

fig. 4 is a schematic structural view of the clamping mechanism of the present invention;

fig. 5 is a schematic structural view of the tensile testing mechanism of the present invention.

In the figure: 1. a fixed mount; 2. fixing the bolt; 3. a frame; 4. a clamping mechanism; 41. a fixing plate; 42. a bidirectional threaded shaft; 43. a limiting block; 44. a slip ring; 45. a clamping block; 46. a limiting plate; 47. a first motor; 5. a tension test mechanism; 51. an electric telescopic column; 52. a second motor; 53. testing the bolt; 54. a display panel; 55. and operating the key.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Examples

As shown in fig. 1 to 5, the present embodiment provides a nut tension tester, which includes a fixing frame 1, a fixing bolt 2, a frame 3, a tension testing mechanism 5 for performing a tension test on a nut and facilitating observation of a value, and a clamping mechanism 4 capable of clamping nuts of various types and preventing the nuts from being unclamped;

fixing bolts 2 penetrate through four corners of the fixing frame 1, the frame 3 is installed at the upper end of the fixing frame 1, the clamping mechanism 4 is installed in the middle of the frame 3, and the tensile test mechanism 5 is installed above the clamping mechanism 4.

In the embodiment, the clamping mechanism 4 comprises a fixing plate 41, the fixing plate 41 is welded in the middle of the frame 3, a bidirectional threaded shaft 42 is arranged below the fixing plate 41, the bidirectional threaded shaft 42 is in bearing connection with the frame 3, a limiting block 43 is welded in the middle of the bidirectional threaded shaft 42, two sliding rings 44 are in threaded connection with the periphery of the bidirectional threaded shaft 42, a clamping block 45 is welded at the upper end of each sliding ring 44, the clamping block 45 is in sliding fit with the fixing plate 41, the included angle of the clamping block 45 is 120 degrees, a limiting plate 46 is in bolted connection with the upper end of the clamping block 45, and the input end of the bidirectional threaded shaft 42 is in coupling connection with a first motor 47; when the device carries out the tensile test to the nut, start first motor 47, first motor 47 drives two-way screw shaft 42 and rotates, through the threaded connection of slip ring 44 and two-way screw shaft 42 and the sliding fit who presss from both sides tight piece 45 and fixed plate 41, can drive two slip rings 44 when two-way screw shaft 42 rotate and remove, place the nut that will carry out the tensile test between two limiting plates 46, make and press from both sides tight piece 45 and press from both sides tight processing to the nut.

In this embodiment, the tensile test mechanism 5 includes an electric telescopic column 51, the electric telescopic column 51 is disposed above the limit plate 46, a fixed end of the electric telescopic column 51 is connected with the frame 3 through a bolt, a telescopic end of the electric telescopic column 51 is provided with a second motor 52, an output end of the second motor 52 is connected with a test bolt 53 through an inner hexagonal hole, the test bolt 53 is made of a titanium alloy material, a display panel 54 is electrically connected in front of the electric telescopic column 51, the display panel 54 is connected with the frame 3 through a bolt, and two operation keys 55 are electrically connected to a front surface of the display panel 54; after the nut is clamped, the electric telescopic column 51 is started, the electric telescopic column 51 drives the test bolt 53 under the second motor 52 to slowly descend, meanwhile, the second motor 52 starts to operate, the output end of the second motor 52 is connected with the hexagonal hole in the test bolt 53, the second motor 52 can drive the test bolt 53 to rotate, after the rotating test bolt 53 is turned over to the clamped bolt, the electric telescopic column 51 drives the test bolt 53 to ascend, so that a tension test is performed on the nut, the tensile strength of the test bolt 53 is high and cannot be easily deformed through the titanium alloy material of the test bolt 53, through the electric connection between the electric telescopic column 51 and the display panel 54, the tensile force generated by the electric telescopic column 51 on the nut can be displayed on the display panel 54, and thus the test value can be observed.

The working principle is as follows: the nut to be tested is sampled and taken out and placed between the two clamping blocks 45, the first motor 47 is started, the first motor 47 drives the two-way threaded shaft 42 to rotate, the two-way threaded shaft 42 can be driven to move by the aid of threaded connection of the sliding ring 44 and the two-way threaded shaft 42 and sliding fit of the clamping blocks 45 and the fixing plate 41, the two sliding rings 44 can be driven to move when the two-way threaded shaft 42 rotates, the clamping blocks 45 clamp the nut, the electric telescopic column 51 is started after the nut is clamped, the electric telescopic column 51 drives the test bolt 53 under the second motor 52 to slowly descend, meanwhile, the second motor 52 starts to operate, the output end of the second motor 52 is connected with a hexagonal hole in the test bolt 53, the second motor 52 can drive the test bolt 53 to rotate, after the rotating test bolt 53 is rotated to the clamped bolt, the electric telescopic column 51 drives the test bolt 53 to ascend, so that tension test is conducted on the nut, and tensile strength of the test bolt 53 is high and cannot be easily deformed through the electric telescopic column 51 and is electrically connected with the display panel 54, so that tensile strength of the nut is displayed on the display panel 54.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A nut tensile testing machine comprises a fixed frame (1), a fixed bolt (2), a frame (3) and a tensile testing mechanism (5) which is used for carrying out tensile testing on nuts and is convenient for observing numerical values, and is characterized by also comprising a clamping mechanism (4) which can clamp nuts of various types and can prevent the nuts from being unclamped;

the fixing bolts (2) are arranged at four corners of the fixing frame (1) in a penetrating manner, the frame (3) is arranged at the upper end of the fixing frame (1), the clamping mechanism (4) is arranged in the middle of the frame (3), and the tensile test mechanism (5) is arranged above the clamping mechanism (4);

clamping mechanism (4) are including fixed plate (41), fixed plate (41) are fixed in the middle of frame (3), fixed plate (41) below is provided with two-way screw shaft (42), be fixed with stopper (43) in the middle of two-way screw shaft (42), two-way screw shaft (42) peripheral threaded connection has two slip rings (44), slip ring (44) upper end is fixed with presss from both sides tight piece (45), it is fixed with stopper (46) to press from both sides tight piece (45) upper end, two-way screw shaft (42) input coupling joint has first motor (47).

2. The nut tension testing machine according to claim 1, characterized in that the tension testing mechanism (5) comprises an electric telescopic column (51), the electric telescopic column (51) is arranged above the limiting plate (46), a fixed end of the electric telescopic column (51) is fixed to the frame (3), a second motor (52) is installed at a telescopic end of the electric telescopic column (51), a testing bolt (53) is arranged at an output end of the second motor (52), a display panel (54) is arranged in front of the electric telescopic column (51), the display panel (54) is fixed to the frame (3), and two operation keys (55) are electrically connected to a front surface of the display panel (54).

3. A nut tensile tester according to claim 1, characterized in that said bidirectional threaded shaft (42) is bearing-connected to said frame (3).

4. A nut tensile tester according to claim 1, characterized in that said clamping blocks (45) are in sliding engagement with said fixed plate (41).

5. A nut tensile tester according to claim 1, characterized in that the included angle of said gripping blocks (45) is 120 °.

6. A nut tensile tester according to claim 2, characterized in that said second motor (52) is connected to said test bolt (53) through an internal hexagonal hole.

7. The nut tensile testing machine according to claim 2, characterized in that the test bolt (53) is made of titanium alloy.

8. The nut tension tester according to claim 2, wherein the electric telescopic column (51) is electrically connected with the display panel (54).