CN211148296U - Microcomputer-controlled electro-hydraulic servo universal testing machine - Google Patents
Microcomputer-controlled electro-hydraulic servo universal testing machine Download PDFInfo
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- CN211148296U CN211148296U CN201921168729.4U CN201921168729U CN211148296U CN 211148296 U CN211148296 U CN 211148296U CN 201921168729 U CN201921168729 U CN 201921168729U CN 211148296 U CN211148296 U CN 211148296U
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- oil cylinder
- bearing frame
- microcomputer
- cross beam
- pressing plate
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Abstract
A microcomputer-controlled electro-hydraulic servo universal testing machine comprises a bearing frame, a synchronous oil cylinder and a testing space, wherein the synchronous oil cylinder and the testing space are both positioned in the bearing frame, the bearing frame comprises a base, an upright piston and a cross beam, the base, the upright piston and the cross beam form a closed bearing frame, the base is positioned at the bottom end of the bearing frame, the cross beam is positioned at the top end of the bearing frame, and the upright piston is positioned between the cross beam and the base; simple structure, the system rigidity is big, and is durable not fragile, easy maintenance.
Description
Technical Field
The utility model belongs to the technical field of the testing machine and specifically relates to a servo universal tester of microcomputer control electricity liquid.
Background
The universal tester is an important testing instrumental device for testing physical properties, mechanical properties, technological properties, structural shock strength, internal and external defects of various materials and products thereof in various temperature and humidity environments and simulation states. The testing method can realize tests of types such as stretching, compression, bending, shearing and the like of metal or nonmetal materials according to corresponding standards, can measure performance indexes such as tensile strength, yield strength, specified non-proportional elongation strength, elastic modulus and the like of the measured materials, can realize closed-loop control such as constant rate loading, constant rate deformation, constant rate displacement, constant rate strain and the like, can carry out process qualification performance verification tests of the materials or products, and considers the possibility of expanding and assembling other clamps to complete more tests in the design of the universal testing machine. Such as: the assembled bolt clamp can be used for stretching and load-holding of the bolt, the assembled shearing clamp can be used for testing the shearing strength of the round rod, the bending resistance, shearing, splitting, an elastic modulus instrument and the like can be added in a compression space to be used for testing concrete and cement sample blocks, and the steel ball, the anchor chain, the fastener and other special clamps can be used for completing various tests of corresponding products.
The present invention is an improvement to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, the system rigidity is big, and is durable not fragile, easy maintenance, the servo universal tester of microcomputer control electricity liquid of a part multiple use.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
a microcomputer-controlled electro-hydraulic servo universal testing machine comprises a bearing frame, a synchronous oil cylinder and a testing space, wherein the synchronous oil cylinder and the testing space are both positioned in the bearing frame, the bearing frame comprises a base, an upright piston and a cross beam, the base, the upright piston and the cross beam form a closed bearing frame, the base is positioned at the bottom end of the bearing frame, the cross beam is positioned at the top end of the bearing frame, and the upright piston is positioned between the cross beam and the base;
a bottom oil cylinder, a lower pressing plate and a connecting plate are further arranged between the base and the cross beam, and the bottom oil cylinder is assembled into a rigid synchronous oil cylinder through the lower pressing plate and the connecting plate;
the bottom oil cylinder and the connecting plate are positioned at the lower end of the lower pressing plate, the bottom end of the bottom oil cylinder is arranged on the connecting plate, and the top end of the bottom oil cylinder is connected with the bottom end of the lower pressing plate;
the lower end of the cross beam is provided with a clamping device, the upper end of the clamping device is provided with a load sensor, and the lower end of the clamping device is provided with an upper chuck;
a test space is formed between the lower pressure plate and the upper chuck;
a jaw is arranged on the lower pressing plate;
furthermore, two upright post pistons are arranged;
furthermore, round holes are formed in two ends of the connecting plate and the lower pressing plate, the connecting plate and the lower pressing plate are mounted on the synchronous oil cylinder through the round holes, and the lower pressing plate can move up and down through the telescopic energy of a clamping piston in the bottom oil cylinder;
the clamping device is a circular sample clamping structure;
specifically, the load sensor is a tension-compression bidirectional sensor;
the jaw is of a closed structure and is positioned in the center of the lower pressing plate;
the clamping device is provided with two clamping blocks which are integrated into a whole, and the clamping blocks can form two groups of V-shaped grooves and can clamp samples with different specifications.
The working principle is as follows: the base, two piston columns and the cross beam form a closed bearing capacity frame, and the two bottom oil cylinders are assembled into a rigid synchronous oil cylinder through the lower pressing plate and the connecting plate. Therefore, a test space is formed between the lower pressing plate and the upper chuck, the oil cylinder is a double-acting oil cylinder, a compression test is performed when the oil cylinder moves upwards, and a tensile test is performed when the oil cylinder moves downwards.
The beneficial effects of the utility model reside in that: the jaw adopts a closed design, so that the rigidity of the jaw is greatly improved; the main machine upright post has two functions, one is that it supports the whole main machine upright post, the other is the piston rod of the oil cylinder, and it plays the guide role of the oil cylinder, and the lower pressure plate has three functions, one is that it is the pressure-bearing lower pressure plate when doing the compression test, the other is that it is the jaw of the holding sample when doing the tensile test, the third is that it connects the bridge of two oil cylinders, under its function, two oil cylinders become a rigid connection whole, thus has realized the function of many purposes of a part; the stroke of the complete oil cylinder in the test space is adjusted without arranging a mechanical transmission system, so that the test result of the testing machine is simplified.
Drawings
Fig. 1 is a schematic structural diagram of the microcomputer-controlled electro-hydraulic servo universal testing machine provided by the utility model.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the clamping block of fig. 1.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.
Referring to fig. 1, 2 and 3, the microcomputer-controlled electro-hydraulic servo universal tester comprises a bearing frame, a synchronous oil cylinder 10 and a test space 20, wherein the synchronous oil cylinder 10 and the test space 20 are both positioned in the bearing frame, the bearing frame comprises a base 1, an upright piston 2 and a cross beam 3, the base 1, the upright piston 2 and the cross beam 3 form a closed bearing frame, the base 1 is positioned at the bottom end of the bearing frame, the cross beam 3 is positioned at the top end of the bearing frame, and the upright piston 2 is positioned between the cross beam 3 and the base 1;
a bottom oil cylinder 4, a lower pressing plate 5 and a connecting plate 6 are further arranged between the base 1 and the cross beam 3, and the bottom oil cylinder 4 is assembled into a rigid synchronous oil cylinder 10 through the lower pressing plate 5 and the connecting plate 6;
the bottom oil cylinder 4 and the connecting plate 6 are positioned at the lower end of the lower pressing plate 5, the bottom end of the bottom oil cylinder 4 is arranged on the connecting plate 6, and the top end of the bottom oil cylinder 4 is connected with the bottom end of the lower pressing plate 5;
the lower end of the cross beam 3 is provided with a clamping device 8, the upper end of the clamping device 8 is provided with a load sensor 12, and the lower end of the clamping device 8 is provided with an upper chuck 7;
a test space 20 is formed between the lower pressure plate 5 and the upper clamping head 7;
a jaw 11 is arranged on the lower pressure plate 5;
further, two upright pistons 2 are arranged;
furthermore, round holes are formed in two ends of the connecting plate 6 and the lower pressing plate 5, the connecting plate 6 and the lower pressing plate 5 are mounted on the synchronous oil cylinder 10 through the round holes, and the lower pressing plate 5 can move up and down through the telescopic function of the clamping piston 9 in the bottom oil cylinder 4;
the clamping device 8 is a circular sample clamping structure;
specifically, the load sensor 12 is a tension/compression bidirectional sensor;
wherein, the jaw 11 is a closed structure, and the jaw 11 is positioned at the center of the lower pressure plate 5;
the clamping device 8 is internally provided with a clamping block 13, the clamping block 13 is formed by two clamping blocks into a whole, and the clamping block 13 can form two groups of V-shaped grooves and can clamp samples with different specifications;
the base, two piston columns and the cross beam form a closed bearing capacity frame, and the two bottom oil cylinders are assembled into a rigid synchronous oil cylinder through the lower pressing plate and the connecting plate. Therefore, a test space is formed between the lower pressing plate and the upper chuck, the oil cylinder is a double-acting oil cylinder, a compression test is performed when the oil cylinder moves upwards, and a tensile test is performed when the oil cylinder moves downwards.
The jaw adopts a closed design, so that the rigidity of the jaw is greatly improved; the main machine upright post has two functions, one is that it supports the whole main machine upright post, the other is the piston rod of the oil cylinder, and it plays the guide role of the oil cylinder, and the lower pressure plate has three functions, one is that it is the pressure-bearing lower pressure plate when doing the compression test, the other is that it is the jaw of the holding sample when doing the tensile test, the third is that it connects the bridge of two oil cylinders, under its function, two oil cylinders become a rigid connection whole, thus has realized the function of many purposes of a part; the stroke of the complete oil cylinder in the test space is adjusted without arranging a mechanical transmission system, so that the test result of the testing machine is simplified.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a servo universal tester of microcomputer control electricity liquid, includes bearing frame, synchronous hydro-cylinder (10) and test space (20) all are located bearing frame, its characterized in that:
the bearing frame comprises a base (1), a stand column piston (2) and a cross beam (3), the base (1), the stand column piston (2) and the cross beam (3) form a closed bearing frame, the base (1) is positioned at the bottom end of the bearing frame, the cross beam (3) is positioned at the top end of the bearing frame, and the stand column piston (2) is positioned between the cross beam (3) and the base (1);
a bottom oil cylinder (4), a lower pressing plate (5) and a connecting plate (6) are further arranged between the base (1) and the cross beam (3), and the bottom oil cylinder (4) is assembled into a rigid synchronous oil cylinder (10) through the lower pressing plate (5) and the connecting plate (6);
the bottom oil cylinder (4) and the connecting plate (6) are positioned at the lower end of the lower pressing plate (5), the bottom end of the bottom oil cylinder (4) is installed on the connecting plate (6), and the top end of the bottom oil cylinder (4) is connected with the bottom end of the lower pressing plate (5);
the lower end of the cross beam (3) is provided with a clamping device (8), the upper end of the clamping device (8) is provided with a load sensor (12), and the lower end of the clamping device (8) is provided with an upper chuck (7);
a test space (20) is formed between the lower pressure plate (5) and the upper clamping head (7);
a jaw (11) is arranged on the lower pressure plate (5).
2. The microcomputer-controlled electro-hydraulic servo universal tester as claimed in claim 1, wherein there are two column pistons (2).
3. The microcomputer-controlled electro-hydraulic servo universal tester as claimed in claim 1, wherein the two ends of the connecting plate (6) and the lower pressing plate (5) are provided with round holes, the connecting plate (6) and the lower pressing plate (5) are mounted on the synchronous oil cylinder (10) through the round holes, and the lower pressing plate (5) can move up and down through the stretching and retracting of the clamping piston (9) in the bottom oil cylinder (4).
4. The microcomputer-controlled electro-hydraulic servo universal tester as claimed in claim 1, wherein the clamping device (8) is a circular sample clamping structure.
5. The microcomputer-controlled electro-hydraulic servo universal tester as claimed in claim 1, wherein the load sensor (12) is a tension-compression bidirectional sensor.
6. The microcomputer-controlled electro-hydraulic servo universal tester as claimed in claim 1, wherein the jaw (11) is of a closed structure, and the jaw (11) is located at the center of the lower pressure plate (5).
7. The microcomputer-controlled electro-hydraulic servo universal tester as claimed in claim 1, wherein a clamping block (13) is arranged in the clamping device (8), the clamping block (13) is composed of two parts, and the clamping block (13) can be composed of two groups of V-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168729.4U CN211148296U (en) | 2019-07-22 | 2019-07-22 | Microcomputer-controlled electro-hydraulic servo universal testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168729.4U CN211148296U (en) | 2019-07-22 | 2019-07-22 | Microcomputer-controlled electro-hydraulic servo universal testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211148296U true CN211148296U (en) | 2020-07-31 |
Family
ID=71742869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921168729.4U Active CN211148296U (en) | 2019-07-22 | 2019-07-22 | Microcomputer-controlled electro-hydraulic servo universal testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211148296U (en) |
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2019
- 2019-07-22 CN CN201921168729.4U patent/CN211148296U/en active Active
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