CN215677816U

CN215677816U - Pressure testing machine sample feeding device and testing machine

Info

Publication number: CN215677816U
Application number: CN202120944985.9U
Authority: CN
Inventors: 柳松; 王斌
Original assignee: Lishi Shanghai Instrument Co ltd
Current assignee: Lishi Shanghai Instrument Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-28
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a pressure testing machine sample feeding device and a testing machine, which at least comprise a base, a bearing mechanism and a power mechanism; the base is a sample feeding device base, the power mechanism is installed on the base, and the bearing mechanism is installed on the power mechanism. Has the advantages that: according to the technical scheme, the hydraulic dragging oil cylinder is used for controlling the conveying of the sample to be tested, the performance is stable, the operation is stable, the degree of mechanization of the matching operation of the dragging oil cylinder and the track is high, the use of personnel is greatly reduced, the personnel cost is reduced, and the conveying efficiency is improved; the pressing plate is separated from the lifting oil cylinder, so that a sample can be installed and positioned outside a test space when the test platform is used, and then the sample is hoisted into a test sample feeding trolley, and the arrangement of the positioning pin further guarantees the accuracy of later-stage sample data; the device is small in size, convenient to operate and high in safety.

Description

Pressure testing machine sample feeding device and testing machine

Technical Field

The utility model relates to a test device, in particular to a sample feeding device of a compression testing machine for testing the performance of a composite material and the testing machine.

Background

With the continuous progress of scientific technology, composite materials (carbon fibers, glass fibers, aramid fibers, and the like) are used in more and more fields (for example, fields of aviation, aerospace, energy, traffic, construction, machinery, information, biology, medicine, sports, and the like). The composite material has basic mechanical properties different from those of the metal material, and the test of the basic mechanical properties of the composite material becomes an essential link. The first step of realizing the composite material test is to install a test sample, generally, large-scale pressure tests are all objects which are large and heavy, the time and the labor are consumed when the test sample is installed, the labor cost is greatly increased, and the efficiency is low. Therefore, a better sample feeding device can save more sample installation time for the testing personnel, reduce the labor cost and ensure the accuracy of later-period test data.

In addition, traditional sample send appearance device adopts the orbital structure of support, and during the operation, motor reducer rotates, and the platform of sending a sample is walked back and forth on the support track through the drive of rack and pinion structure to send the sample into in the compression space. The traditional sample conveying device is large in shape, unstable in operation, prone to motor burning when in clamping stagnation and incapable of effectively guaranteeing safety.

Therefore, there is a need for improvement of the prior art in view of the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a sample feeding device of a pressure testing machine and the testing machine, which are controlled by a hydraulic cylinder in the sample feeding device, so that the sample feeding stability is enhanced, the personnel investment is reduced, and the defects in the background art are overcome.

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

a sample feeding device of a pressure testing machine at least comprises a base, a bearing mechanism and a power mechanism; the base is a sample feeding device base, the power mechanism is installed on the base, and the bearing mechanism is installed on the power mechanism.

Furthermore, the base is designed to be of a convex structure, and a positioning pin is arranged on the upper surface of the convex structure and used for positioning the conveying position of the sample to be tested.

Further, the bearing mechanism at least comprises a pressing plate, the pressing plate is of a square structure, and a sample to be tested is placed on the upper surface of the square structure of the pressing plate; the two side surfaces of the square structure of the pressing plate are provided with hoisting earrings and supporting earrings, wherein the hoisting earrings are arranged above the side surfaces and are close to the upper surface of the pressing plate, and the pressing plate is placed above the power mechanism by a hoisting tool through the hoisting earrings; the support earrings are arranged below the side faces and close to the lower surface of the pressing plate, the support earrings are connected with the power mechanism, and the pressing plate is supported to be placed on the power mechanism.

Furthermore, a groove is formed in one side face, facing the power mechanism, of the supporting ear ring.

Furthermore, the power mechanism at least comprises a conveying mechanism and a driving mechanism, wherein the pressing plate is placed on the conveying mechanism, the conveying mechanism is connected with the driving mechanism, and the conveying mechanism is driven by the driving mechanism to convey the pressing plate.

Further, the conveying mechanism at least comprises a track and a hydraulic vehicle, wherein the track is arranged at the concave positions at two sides of the convex structure of the base, and the hydraulic vehicle is arranged above the track and travels along the track.

Furthermore, the hydraulic vehicle at least comprises a walking arm, a walking roller and a hydraulic lifting oil cylinder, wherein the walking arm is of a structure like a Chinese character ji, two side arms of the walking arm are arranged above the track, and connecting arms of the two side arms are positioned on the upper surface of the base; the walking rollers and the hydraulic lifting oil cylinders are arranged on the two side arms at intervals, and the two side arms are symmetrically distributed; the walking rollers are in contact with the track and support the hydraulic vehicle to walk on the track; the hydraulic lifting oil cylinder is provided with a piston rod, the piston rod is embedded into the groove of the supporting lug ring to support the pressing plate to be placed above the hydraulic vehicle and to be placed and positioned.

Furthermore, the piston rod of hydraulic pressure lift cylinder imbeds in the recess, and compress to the time of the lower extreme, the clamp plate laminating is placed the base upper surface.

Furthermore, the height of the two side arms is equivalent to that of the concave parts at the two sides of the convex structure of the base.

Furthermore, the driving mechanism at least comprises a driving motor and a dragging oil cylinder, and the driving motor is respectively connected with the dragging oil cylinder and the hydraulic lifting oil cylinder and provides power for the extension and retraction of the two oil cylinders; the dragging oil cylinder is arranged at the concave parts at the two sides of the convex structure of the base, one end of a piston of the dragging oil cylinder is connected with the arms at the two sides of the walking arm, and the walking arm is dragged to move along the track.

The utility model also claims a testing machine, and the sample conveying device in the technical scheme is arranged on the testing machine.

Through implementing above-mentioned compression testing machine sample presentation device and testing machine, have following beneficial effect: according to the technical scheme, the hydraulic dragging oil cylinder is used for controlling the conveying of the sample to be tested, the performance is stable, the operation is stable, the degree of mechanization of the matching operation of the dragging oil cylinder and the track is high, the use of personnel is greatly reduced, the personnel cost is reduced, and the conveying efficiency is improved; the pressing plate is separated from the lifting oil cylinder, so that a sample can be installed and positioned outside a test space when the test platform is used, and then the sample is hoisted into a test sample feeding trolley, and the arrangement of the positioning pin further guarantees the accuracy of later-stage sample data; the device is small in size, convenient to operate and high in safety.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1 is a schematic structural diagram of a sample feeding device of a pressure tester according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the hydraulic vehicle shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the towing cylinder in FIG. 1;

FIG. 4 is a schematic view of the pressure plate of FIG. 1 for placing a sample to be tested;

fig. 5 is a schematic view of fig. 1 for placing a sample to be tested.

Reference numerals:

10. a base; 11. positioning pins;

20. pressing a plate; 21. hoisting the earrings; 22. a support earring;

30. a track; 31. hydraulic vehicle; 310. a traveling arm; 3100. two side arms; 3101. a connecting arm; 311. a walking roller; 312. a hydraulic lifting oil cylinder; 3120. piston rod

40. A dragging oil cylinder; 400. a cylinder body; 401. adjusting the hinge;

5. and (5) testing the sample.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The structure of the sample feeding device of the pressure tester will be described below by way of example with reference to fig. 1 to 5.

As shown in fig. 1, the sample feeding device of the compression testing machine at least comprises a base, a supporting mechanism and a power mechanism; wherein, base 10 is the sample presentation device base, installs power unit on the base 10, and bearing mechanism installs on power unit. In the present embodiment, the base 10 is designed as a "convex" structure, the upper surface of the "convex" structure is equipped with a positioning pin 11 for positioning the conveying position of the sample 5 to be tested, as shown in fig. 5, and both sides of the "convex" structure have a concave square space.

As shown in fig. 1, the supporting mechanism at least comprises a pressure plate 20, the pressure plate 20 is in a square structure, and as shown in fig. 4, a sample 4 to be tested is placed on the upper surface of the square structure of the pressure plate 20; two side surfaces of the square structure of the pressure plate 20 are provided with two lifting lugs 21 and two supporting lugs 22, as shown in the figure, two lifting lugs 21 and two supporting lugs 22 are arranged on each side of the pressure plate 20, and a plurality of lifting lugs can be arranged as required in actual use; the lifting ear rings 21 are arranged above the two side surfaces of the pressing plate 20 and are close to the upper surface of the pressing plate 20, and the pressing plate 20 is placed above the power mechanism by the lifting tool through the upper lifting ear rings 21; the supporting ear ring 22 is arranged below the side surface of the pressing plate 20 and is close to the position of the lower surface of the pressing plate 20, the supporting ear ring 22 is connected with the power mechanism, and the supporting pressing plate 20 is placed on the power mechanism. A groove is arranged on one side surface of the supporting ear ring 22 facing the power mechanism, and the supporting ear ring 22 is connected with the power mechanism through the groove.

The power mechanism at least comprises a conveying mechanism and a driving mechanism, wherein the pressing plate 20 is placed on the conveying mechanism, the conveying mechanism is connected with the driving mechanism, and the driving mechanism drives the conveying mechanism to convey the pressing plate 20.

In a specific implementation form, as shown in fig. 1 and fig. 2, the conveying mechanism at least comprises a rail 30 and a hydraulic vehicle 31, wherein the rail 30 is installed in a recess on two sides of the "convex" structure of the base 10, and the hydraulic vehicle 31 is installed above the rail 30 and travels along the rail 30.

Specifically, in the present embodiment, the hydraulic vehicle 31 at least includes a traveling arm 310, a traveling roller 311 and a hydraulic lift cylinder 312, the traveling arm 310 is in a "zigzag" structure, two side arms 3100 of the traveling arm 310 are installed above the rail 30, and a connecting arm 3101 of the two side arms 3100 is located on the upper surface of the base 10; the walking rollers 311 and the hydraulic lifting oil cylinders 312 are arranged on two side arms 3100 at intervals, and the two side arms 3100 are symmetrically distributed; the traveling rollers 311 are in contact with the rails 30, and support the hydraulic vehicle 31 to travel on the rails 30; the hydraulic lift cylinder 312 has a piston rod 3120, the end of the piston rod 3120 is embedded into the groove of the support ear 22, and the support pressure plate 20 is placed above the hydraulic car 31.

In this embodiment, the height of the side arms 3100 is equivalent to the height of the recesses on the two sides of the "convex" structure of the base 10, so that when the piston rod 3120 of the hydraulic lift cylinder 312 is inserted into the recess and compressed to the lowest position, the pressure plate 20 is placed on the upper surface of the base 10.

The driving mechanism at least comprises a driving motor and a dragging oil cylinder 40, the driving motor is only required to be a traditional driving motor, and the driving motor is respectively connected with the dragging oil cylinder 40 and the hydraulic lifting oil cylinder 312 and provides power for the extension and retraction of the two oil cylinders; as shown in fig. 1, the towing cylinder is installed in the recess on the two sides of the "convex" structure of the base 10, the towing cylinder 40 is shown in fig. 3, and includes a cylinder 400, a piston rod and an adjusting hinge 401 installed on the two sides of the cylinder 400, wherein the cylinder 400 is fixed on the base 10 by one section of the towing hinge 401, the piston rod of the towing cylinder 40 is connected with the other adjusting hinge 401, the adjusting hinge 401 is connected with the two side arms 3100 of the walking arm 310, and the walking arm 31 is dragged to move along the track 30 when the piston rod moves under the driving of the driving motor by the towing cylinder 40.

Based on the structure, the basic operation process of the sample conveying device is as follows:

(1) placing a sample 5 to be tested on a pressure plate 20, and positioning the installation position;

(2) the pressure plate 20 and the sample 5 to be tested are hoisted together by a hoisting mechanism to enter a sample conveying device, and are positioned by the end part of a piston rod 3120 in a hoisting oil cylinder 312 on the hydraulic car 31, at the moment, the piston rod of the dragging oil cylinder 40 is in an extending state, and the hoisting oil cylinder 312 is in an initial position (is descended to the lowest);

(3) the driving motor is operated to supply oil to the lifting oil cylinder 312, so that the lifting oil cylinder 312 is lifted, the pressing plate 20 is lifted, and the pressing plate 20 is separated from the upper surface of the base 10.

(4) Operating the driving motor to retract the piston rod of the dragging oil cylinder 40 and driving the hydraulic vehicle 31 to enter the test space;

(5) the driving motor is operated to enable the lifting oil cylinder 312 to descend to the initial position, at the moment, the pressing plate 20 is located at the center through the locating pin 11, the pressing plate 20 is in contact with the upper surface of the base 10, the maximum pressure of the test can be borne, and the track 30 cannot be affected;

(6) other samples 5 to be tested are replaced, and the operation is carried out in the reverse direction, so that the test time is saved conveniently and quickly.

It should be added that, unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this invention belongs. The terms "connected" or "coupled" and the like as used in the description and claims of the present patent application are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "end", "side", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships are changed accordingly.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any uses or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It will be understood that the present invention is not limited to the structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. A sample feeding device of a compression testing machine is characterized by at least comprising a base, a bearing mechanism and a power mechanism; the base is a sample feeding device base, the power mechanism is installed on the base, and the bearing mechanism is installed on the power mechanism.

2. The sample feeding device of the pressure tester as claimed in claim 1, wherein the base is designed to be of a convex structure, and a positioning pin is arranged on the upper surface of the convex structure.

3. The sample feeding device of the pressure tester as claimed in claim 2, wherein the supporting mechanism comprises at least a pressing plate, the pressing plate is of a square structure, and the sample to be tested is placed on the upper surface of the square structure of the pressing plate; the two side surfaces of the square structure of the pressing plate are provided with hoisting earrings and supporting earrings, wherein the hoisting earrings are arranged above the side surfaces and are close to the upper surface of the pressing plate; the supporting ear ring is arranged below the side face and close to the position of the lower surface of the pressing plate, the supporting ear ring is connected with the power mechanism, and the pressing plate is supported and placed on the power mechanism; one side face, facing the power mechanism, of the supporting ear ring is provided with a groove.

4. The sample feeding device of the compression testing machine as claimed in claim 3, wherein the power mechanism at least comprises a conveying mechanism and a driving mechanism, wherein the pressing plate is placed on the conveying mechanism, and the conveying mechanism is connected with the driving mechanism.

5. The sample feeding device of the pressure tester as claimed in claim 4, wherein the conveying mechanism comprises at least a rail and a hydraulic vehicle, wherein the rail is installed at the recess on both sides of the base "convex" structure, and the hydraulic vehicle is installed above the rail and travels along the rail.

6. The sample feeding device of the compression testing machine as claimed in claim 5, wherein the hydraulic vehicle at least comprises a walking arm, a walking roller and a hydraulic lifting oil cylinder, the walking arm is in a structure like a Chinese character ji, two side arms of the walking arm are arranged above the track, and connecting arms of the two side arms are positioned on the upper surface of the base; the walking rollers and the hydraulic lifting oil cylinders are arranged on the two side arms at intervals, and the two side arms are symmetrically distributed; the walking rollers are in contact with the track and support the hydraulic vehicle to walk on the track; the hydraulic lifting oil cylinder is provided with a piston rod, the piston rod is embedded into the groove of the supporting lug ring, and the pressing plate is placed above the hydraulic vehicle.

7. The sample feeding device of the pressure tester as claimed in claim 6, wherein the piston rod of the hydraulic lifting cylinder is embedded in the groove, and when the piston rod is compressed to the lowest position, the pressing plate is placed on the upper surface of the base in an abutting mode.

8. The sample feeding device of the compression testing machine as claimed in claim 7, wherein the height of the two side arms is equivalent to the height of the recesses at the two sides of the base in the shape of a Chinese character 'tu'.

9. The sample feeding device of the compression testing machine according to claim 8, wherein the driving mechanism at least comprises a driving motor and a dragging cylinder, and the driving motor is respectively connected with the dragging cylinder and the hydraulic lifting cylinder to provide power for the extension and retraction of the two cylinders; the dragging oil cylinder is arranged at the concave parts at the two sides of the convex structure of the base, the piston of the dragging oil cylinder is connected with the arms at the two sides of the walking arm, and the walking arm is dragged to move along the track.

10. A testing machine, characterized in that the sample transport device of any one of the preceding claims 1 to 9 is mounted on the testing machine.