CN217304643U

CN217304643U - Tension test device

Info

Publication number: CN217304643U
Application number: CN202123451596.1U
Authority: CN
Inventors: 朱圣浩; 熊红波
Original assignee: Sansi Everlasting Technology Zhejiang Co ltd
Current assignee: Sansi Everlasting Technology Zhejiang Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-26
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a tension test device, which comprises a base, a lifting mechanism and a power mechanism, wherein the lifting mechanism comprises two screw rods and a clamping component; the power mechanism comprises a power motor, and a driving wheel is arranged on the power motor; be equipped with the holder that corresponds with the centre gripping subassembly on the base, the centre gripping subassembly all is connected with the sensor with the holder, be equipped with the locating wheel in the one end of base towards motor power, the lead screw is equipped with the drive wheel towards motor power's one end, be connected with the drive belt between action wheel, locating wheel and the drive wheel, the action wheel passes through the drive belt and drives the drive wheel rotation to make centre gripping subassembly concertina movement on the lead screw, so that the sensor obtains the pulling force value that corresponds. The utility model discloses a set up elevating system and power unit for the tensile test device can pass through power unit drive elevating system and accomplish the tensile test; the positioning wheel can prevent the transmission belt from falling off due to excessive loosening; the precision of the driving wheel, the driving wheel and the transmission belt is adjusted through the positioning wheel, and the machining precision is improved.

Description

Tension test device

Technical Field

The utility model relates to a check out test set technical field, in particular to tensile test device.

Background

The tensile test device is mainly suitable for testing various physical and mechanical properties of materials such as rubber, plastic plates, pipes, profiled bars, plastic films, electric wires and cables, waterproof coiled materials, metal wires and the like, is a mechanical stress application test device for mechanical property tests such as stretching, compressing, bending, shearing, stripping and the like of metal materials and non-metal materials, and has the following service industry ranges: the device comprises a scientific research institute, a commodity inspection arbitration mechanism, a college and universities, and indispensable detection equipment for industries such as rubber, tires, plastics, wires and cables, shoemaking, leather, textile, packaging, building materials, petrifaction and aviation, and the like, material development, physical property tests, teaching research, quality control, feeding inspection, random inspection of a production line and the like.

The good and fast of the power system can greatly influence the testing precision and determine the service life of the equipment, and the originally designed parts are more and are easy to cause problems, so that the equipment is more maintained on the door, the cost is high, and the sound is larger.

The existing tension test device usually adopts a synchronizing wheel and a synchronous belt to control the movement between clamps, so that the synchronizing wheel and the synchronous belt need to be converted for many times, a certain reduction ratio is achieved, the number of intermediate conversion is large, the number of parts is large, the cost is high, the installation process is complex, and the machining precision is insufficient.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a tensile test device. To address at least the deficiencies of the related art as described above.

The utility model provides a tensile test device, include:

a base;

the lifting mechanism comprises two screw rods and a clamping assembly, wherein the two screw rods are perpendicular to the base, and the clamping assembly is arranged on the screw rods in a sliding manner;

the power mechanism comprises a power motor arranged in the base, and a driving wheel is arranged at the free tail end of the power motor;

the base is provided with a clamping component corresponding to the clamping component, the clamping component and the clamping component are connected with a sensor, the base faces towards one end of the power motor and is provided with a positioning wheel, the lead screw faces towards one end of the power motor and is provided with a driving wheel, a driving belt is connected between the driving wheel and the positioning wheel and between the driving wheel and the driving wheel, and the driving wheel drives the driving wheel to rotate through the driving belt so that the clamping component can move on the lead screw in a telescopic mode, and the sensor can obtain a corresponding tension value.

Furthermore, the clamping assembly comprises a cross beam and a clamp detachably arranged on the cross beam, the clamp is connected with the sensor, when the driving wheel drives the driving wheel to rotate through the driving belt, the cross beam pushes the clamp and the clamping piece to move relatively.

Furthermore, at least two sliding bearings are arranged on the cross beam, and the screw rods respectively penetrate through the corresponding sliding bearings to serve as the guide for the telescopic motion of the cross beam.

Furthermore, still be equipped with adjusting part in the base, adjusting part is including adjustable setting adjusting block on the base and locating adjusting wheel on the adjusting block, adjusting wheel with the locating wheel is injectd the drive belt.

Furthermore, the tensile test device also comprises a top plate, two ends of the screw rod are respectively connected with the base and the top plate, a plurality of support columns are connected between the top plate and the base, and the support columns are arranged in parallel with the screw rod.

Furthermore, at least two fixed bearings are arranged on the top plate, and one end of the screw rod, which is far away from the driving wheel, is connected with the fixed bearings.

Further, the anchor clamps with the axle center collineation of holder, slide bearing, fixed bearing and the axle center collineation of lead screw.

Further, the tensile test device is still including adjusting the structure, adjust the structure including connecting the roof the crossbeam and the regulation post of base adjust the post and keep away from the one end of roof is equipped with the regulation portion, the orientation of regulation portion the one end bending type of roof becomes first regulating plate the middle part of regulation portion is equipped with the second regulating plate, it passes to adjust the post first regulating plate is fixed in on the second regulating plate.

Furthermore, the tensile test device also comprises a controller, and the controller is used for controlling the power mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the lifting mechanism and the power mechanism, the tension test device can drive the lifting mechanism to complete a tension test through the power mechanism; specifically, the driving wheel is arranged at the free tail end of the power motor, the driving wheel is arranged at the tail end of the screw rod, the positioning wheel is arranged on the base, and the driving belt is connected to the driving wheel, the driving wheel and the positioning wheel, so that the driving wheel drives the driving wheel to rotate through the driving belt, the clamping assembly can move on the screw rod in a telescopic mode, the positioning wheel can effectively tension the driving belt, and the driving belt is prevented from falling off due to over loosening; the precision of the driving wheel, the driving wheel and the driving belt is adjusted through the positioning wheel, so that the tensile test device can bear axial or radial thrust under load, the part cost is reduced, the installation process is reduced, and the machining precision is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a tensile testing apparatus in an embodiment of the present invention;

fig. 2 is a schematic view of the power mechanism and the lifting mechanism according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a clamping assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a top plate in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an adjusting structure in an embodiment of the present invention;

description of the main element symbols:

the following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, a tension testing apparatus according to an embodiment of the present invention is shown, including a base 100, a lifting mechanism 300 disposed on the base 100, and a power mechanism 200 disposed in the base 100, where the lifting mechanism 300 includes two lead screws 310 perpendicular to the base 100 and a clamping assembly 320 slidably disposed on the lead screws 310, the power mechanism 200 includes a power motor 210 disposed in the base 100, a driving wheel 220 is disposed on a motor shaft of the power motor 210, a clamping member 110 is detachably disposed on the base 100, the clamping assembly 320 and the clamping member 110 are both connected to a sensor, a positioning wheel 230 is disposed at one end of the base 100 facing the power motor 210, a driving wheel 330 is disposed at one end of the lead screw 310 facing the power motor 210, and a driving belt 240 is connected between the driving wheel 220, the positioning wheel 230 and the driving wheel 330, the driving wheel 220 drives the driving wheel 330 to rotate through the driving belt 240, so that the clamping assembly 320 can move on the screw rod 310 in a telescopic manner, and the sensor can obtain a corresponding tension value.

It can be understood that, when the power motor 210 drives the driving wheel 220 to rotate, the driving wheel 330 is driven to rotate by the driving belt 240, so that the clamping assembly 320 moves up and down on the screw rod 310, and a corresponding tension value is obtained by a sensor connected with the clamping assembly 320, so that the tension test device can bear axial or radial thrust under load; locating wheel 230 can effectual tensioning drive belt 240, and then avoids drive belt 240 to lead to droing because of too loose, and can also adjust the precision of action wheel 220, drive wheel 330 and drive belt 240 through locating wheel 230, when reducing part cost, reduce the mounting process, promote the machining precision.

Referring to fig. 3, a clamping assembly 320 according to an embodiment of the present invention is shown, the clamping assembly 320 includes a cross beam 321 and a clamp 322 detachably disposed on the cross beam 321, the clamp 322 is connected to the sensor, when the driving wheel 220 drives the driving wheel 330 to rotate through the driving belt 240, the cross beam 321 pushes the clamp 322 and the clamping member 110 to move relatively, sliding bearings 323 are disposed at two ends of the cross beam 321, and the lead screw 310 respectively passes through the corresponding sliding bearings 323 as a guide for the telescopic movement of the cross beam 321.

As can be appreciated, the tensile testing apparatus is implemented by the relative movement of the clamp 322 on the clamping assembly 320 and the clamping member 110, and the corresponding tensile value is obtained by the sensor connected with the clamp 322 and the clamping member 110; the sliding bearing 323 enables the beam 321 to extend and retract on the screw rod 310 more smoothly, and further reduces the friction of movement.

Referring to fig. 4, an adjusting assembly 250 is disposed in the base 100, the adjusting assembly 250 includes an adjusting block 251, an adjusting groove is disposed on the adjusting block 251, the adjusting block 251 is adjustably disposed with the base 100 through the adjusting groove, an adjusting wheel 252 is disposed at an end of the adjusting block 251 facing the driving wheel 220, and the adjusting wheel 252 cooperates with the positioning wheel 230 to limit a tension degree of the driving belt 240.

It can be understood that the adjusting wheel 252 adjusts the distance from the positioning wheel 230 through the adjusting groove on the adjusting block 251, so that the driving belt 240 is kept in a tensioned state, the precision of rotation is ensured, and the falling-off of the driving belt 240 caused by over-loosening is avoided.

Referring to fig. 5, a top plate 400 is shown in the embodiment of the present invention, detachable cover plates 420 are respectively disposed at two ends of the top plate 400, a plurality of support columns 410 are connected between the top plate 400 and the base 100, the support columns 410 are parallel to the screw rod 310, the screw rod 310 is connected to the top plate 400 through a fixing bearing 430, the screw rod 310 can rotate in the fixing bearing 430, and the cover plates 420 are covered at the fixing bearing 430 and the connection positions of the support columns 410 and the top plate 400.

It can be understood that the cover plate 420 can block external dust from falling into the fixing bearing 430, so as to prevent the fixing bearing 430 from causing the screw rod 310 to rotate abnormally due to the dust, and the support column 410 can provide effective support for the screw rod 310, thereby preventing the screw rod 310 from being supported only and reducing the precision of the screw rod 310.

Referring to fig. 6, the tensile testing apparatus further includes an adjusting structure 500, the adjusting structure 500 includes an adjusting column 510 connected to the top plate 400, the cross beam 321, and the base 100, an adjusting portion 520 is disposed at one end of the adjusting column 510 away from the top plate 400, one end of the adjusting portion 520 facing the top plate 400 is bent to form a first adjusting plate 521, a second adjusting plate 522 is disposed in the middle of the adjusting portion 520, an adjusting bolt 530 is disposed at the end of the adjusting column 510, the adjusting column 510 penetrates through the first adjusting plate 521 and is fixed to the second adjusting plate 522 by the adjusting bolt 530, and a bottom plate 523 of the adjusting portion 520 is detachably connected to the base 100.

It can be understood that, when the tension test device needs to be adjusted, the adjusting bolt 530 is rotated to make the adjusting column 510 stretch or compress the distance between the second adjusting plate 522 and the first adjusting plate 521, so as to achieve the adjusting function.

To sum up, the tensile test device in the above embodiment of the present invention, by providing the lifting mechanism and the power mechanism, can complete the tensile test by driving the lifting mechanism through the power mechanism; specifically, the driving wheel is arranged at the free tail end of the power motor, the driving wheel is arranged at the tail end of the screw rod, the positioning wheel is arranged on the base, and the driving belt is connected to the driving wheel, the driving wheel and the positioning wheel, so that the driving wheel drives the driving wheel to rotate through the driving belt, the clamping assembly can move on the screw rod in a telescopic mode, the positioning wheel can effectively tension the driving belt, and the driving belt is prevented from falling off due to over loosening; the precision of the driving wheel, the driving wheel and the driving belt is adjusted through the positioning wheel, so that the tensile test device can bear axial or radial thrust under load, the part cost is reduced, the installation process is reduced, and the processing precision is improved

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A tensile test apparatus, comprising:

a base;

2. The tension test device according to claim 1, wherein the clamping assembly comprises a beam and a clamp detachably disposed on the beam, the clamp is connected to the sensor, and when the driving wheel drives the driving wheel to rotate through the driving belt, the beam pushes the clamp and the clamping member to move relatively.

3. The tension test device according to claim 2, wherein the cross beam is provided with at least two sliding bearings, and the screw rods respectively penetrate through the corresponding sliding bearings to guide the telescopic motion of the cross beam.

4. The tension test device according to claim 3, wherein an adjusting assembly is further arranged in the base, the adjusting assembly comprises an adjusting block adjustably arranged on the base and an adjusting wheel arranged on the adjusting block, and the adjusting wheel and the positioning wheel define the transmission belt.

5. The tension test device according to claim 4, further comprising a top plate, wherein two ends of the screw rod are respectively connected with the base and the top plate, a plurality of support columns are connected between the top plate and the base, and the support columns are arranged in parallel with the screw rod.

6. The tension test device according to claim 5, wherein the top plate is provided with at least two fixed bearings, and one end of the screw rod, which is far away from the transmission wheel, is connected with the fixed bearings.

7. The tension testing apparatus according to claim 6, wherein the clamp is collinear with an axial center of the clamping member, and the sliding bearing, the fixed bearing and the screw rod are collinear.

8. The tension test device according to claim 5, further comprising an adjusting structure, wherein the adjusting structure comprises an adjusting column connected with the top plate, the cross beam and the base, an adjusting portion is arranged at one end of the adjusting column far away from the top plate, one end of the adjusting portion, facing the top plate, is bent to form a first adjusting plate, a second adjusting plate is arranged in the middle of the adjusting portion, and the adjusting column penetrates through the first adjusting plate and is fixed on the second adjusting plate.

9. The tensile testing apparatus of claim 1 further comprising a controller for controlling said power mechanism.