CN214331061U - Hydraulic cylinder test bench - Google Patents
Hydraulic cylinder test bench Download PDFInfo
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- CN214331061U CN214331061U CN202120447738.8U CN202120447738U CN214331061U CN 214331061 U CN214331061 U CN 214331061U CN 202120447738 U CN202120447738 U CN 202120447738U CN 214331061 U CN214331061 U CN 214331061U
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- mounting seat
- cylinder
- connecting plate
- hydraulic
- oil cylinder
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Abstract
The utility model discloses a hydraulic cylinder test bench, which comprises a base, the base is provided with a first mounting seat and a second mounting seat respectively, a guide pillar is horizontally arranged between the first mounting seat and the second mounting seat, a connecting plate is arranged on the guide pillar in a sliding manner, the left side surface of the first mounting seat is connected with a loading cylinder, a piston rod of the loading cylinder is fixedly connected with the connecting plate, a tested cylinder is arranged between the second mounting seat and the connecting plate, a cylinder barrel of the tested cylinder is connected with the side surface of the second mounting seat, the piston rod of the tested cylinder is fixedly connected with the connecting plate, the loading cylinder is provided with a displacement sensor, and the loading cylinder is provided with a pressure sensor; the hydraulic cylinder test bed also comprises a hydraulic oil source for providing a power source for the hydraulic cylinder and an upper computer for controlling the hydraulic oil source, reading a sensor signal and outputting a test result. The utility model has the advantages of simple structure, high reliability, wide test range, convenient installation and the like, and only one-time installation is needed to complete the test of the performance index required by the hydraulic oil cylinder.
Description
Technical Field
The utility model relates to a hydraulic test equipment technical field, concretely relates to hydraulic cylinder test bench.
Background
The hydraulic oil cylinder is used as an execution element and plays an important role in some large-scale test equipment, and in order to ensure the precision of the test equipment, the hydraulic oil cylinder needs to carry out performance index tests such as test running, starting pressure characteristics, pressure resistance tests, durability tests, leakage tests, stroke detection and the like regularly. Under the existing conditions, the equipment using unit does not have a hydraulic oil cylinder test bed and can only be sent to an outside coordination unit for measurement. This makes equipment need shut down for a long time and waits to examine, and the detection cycle is long, and work efficiency is low. And the hydraulic cylinder specification, pressure grade, the experimental content that are using are different, need use a plurality of hydro-cylinder test benches to go on during the test, need frequently install the hydro-cylinder, change experimental frock for detection efficiency is lower. Therefore, a hydraulic oil cylinder test bench which can cover the hydraulic oil cylinder specification and test items used by the existing equipment is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic cylinder testboard for the used hydraulic cylinder of test equipment has advantages such as simple structure, reliability height, wide test range, simple to operate, only needs the one-time installation just can accomplish the test of the required performance index of hydraulic cylinder.
In order to solve the technical problem, the utility model discloses a following scheme:
a hydraulic cylinder test bed comprises a base, wherein a first mounting seat and a second mounting seat are respectively arranged at two ends of the base, the first mounting seat and the second mounting seat are vertically and oppositely arranged, a guide pillar is horizontally arranged between the first mounting seat and the second mounting seat, the guide pillar and the first mounting seat and the second mounting seat are vertically arranged, a connecting plate is arranged between the first mounting seat and the second mounting seat in a sliding manner and vertically penetrates through the connecting plate, the left side surface of the first mounting seat is connected with a loading cylinder through a flange, a piston rod of the loading cylinder penetrates through the center of the first mounting seat and then extends to the right to be fixedly connected with the left side surface of the connecting plate, a tested cylinder is arranged between the second mounting seat and the connecting plate, a cylinder barrel of the tested cylinder is connected with the side surface of the second mounting seat through a flange, a piston rod of the tested cylinder is fixedly connected with the right side surface of the connecting plate, and a displacement sensor for measuring the stroke of the piston rod is arranged on the loading cylinder, pressure sensors for measuring the oil pressure value of the loading oil cylinder are arranged on the rod cavity and the rodless cavity of the loading oil cylinder; the hydraulic cylinder test bed also comprises a hydraulic oil source for providing a power source for the hydraulic cylinder and an upper computer for controlling the hydraulic oil source, reading a sensor signal and outputting a test result.
Preferably, both sides face of the connecting plate is fixedly connected with an ear seat, and the ear seat is connected with piston rods of the loading oil cylinder and the tested oil cylinder respectively through a pin shaft.
Preferably, the number of the guide columns is four, two ends of each guide column are respectively arranged at the positions of the four corresponding vertex angles of the first mounting seat and the second mounting seat, and the four guide columns penetrate through the positions of the four corresponding vertex angles of the connecting plate, the first mounting seat and the second mounting seat.
Preferably, two ends of the four guide pillars are provided with threads, two ends of the four guide pillars respectively penetrate through positions of four corresponding vertex angles of the first mounting seat and the second mounting seat, and the four guide pillars are fixedly connected with the first mounting seat and the second mounting seat through matched locking nuts.
Preferably, the cylinder diameter of the loading oil cylinder is 200mm, the rod diameter is 100mm, and the stroke is 1000 mm.
Preferably, the displacement sensor is provided with an alarm value. The displacement sensor can set the maximum and minimum alarm values according to the stroke of the tested oil cylinder so as to prevent the tested oil cylinder from being damaged in the test process.
Preferably, the upper computer is connected with a motor, an electromagnetic valve, a hydraulic pump, a pressure sensor and a displacement sensor of the hydraulic oil source through cables, and the test is automatically controlled through a PLC of the upper computer.
The utility model discloses beneficial effect who has:
1. the hydraulic oil cylinder test bed has the advantages that a loading oil cylinder and a tested oil cylinder are respectively arranged on a first mounting seat and a second mounting seat, the two mounting seats are connected by four guide pillars, the relative positions of the two mounting seats are limited by locking nuts, and the two mounting seats are fixed on a base, so that loading force can be effectively converted into internal force; a connecting plate which can freely slide on the four guide posts is arranged between the two mounting seats and is used for connecting the loading oil cylinder and the tested oil cylinder, and the axes of the loading oil cylinder and the tested oil cylinder are coaxial, so that the test bed is uniformly stressed, and the tested oil cylinder can be prevented from being damaged; the position of the connecting plate is changed, so that the testing device can adapt to tested oil cylinders with different installation distances and can also test the tested oil cylinders at proper positions; the pressure sensors arranged in the two cavities of the loading oil cylinder can detect the output condition of the tested oil cylinder under different loads, and the displacement sensor can display the stroke of the tested oil cylinder; the PLC of the upper computer can realize automatic control of testing, and test data and structures can be displayed and output. In a word, a hydraulic cylinder test bench has simple structure, the reliability is high, the test range is wide, simple to operate, degree of automation is high advantage.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Reference numerals: 1. a base; 2. a pressure sensor; 3. a displacement sensor; 4. loading an oil cylinder; 5. a second mounting seat; 6. locking the nut; 7. a first mounting seat; 8. a guide post; 9. a pin shaft; 10. an ear mount; 11. a connecting plate; 12. the cylinder to be tested.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
A hydraulic cylinder test bed is shown in figure 1 and mainly comprises a base 1 with a baffle, wherein a plurality of supporting legs are uniformly arranged on the bottom surface of the base, a first mounting seat 7 and a second mounting seat 5 are respectively arranged at two ends of the top surface of the base 1, a connecting plate 11 is arranged between the two mounting seats, the first mounting seat 7 and the second mounting seat 5 are parallel to each other and are connected by four guide pillars 8, the guide pillars 8 are arranged at four vertex angles of the first mounting seat 7, the second mounting seat 5 and the connecting plate 11, threads are designed at two ends of each guide pillar 8 and used for mounting a locking nut 6, the locking nut 6 can limit the relative position of the first mounting seat 7 and the second mounting seat 5, and the connecting plate 11 can freely slide on the guide pillars 8; the loading oil cylinder 4 is fixed on the first mounting seat 7 in a front flange mode, a piston rod of the loading oil cylinder passes through the center position of the mounting seat 7 and extends towards the right side, the loading oil cylinder is connected to an ear seat 10 through a pin shaft 9, the ear seat 10 is fixed with the left side of the connecting plate 11, the cylinder diameter of the loading oil cylinder 4 is 200mm, the rod diameter is 100mm, and the stroke is 1000 mm; the tested oil cylinder 12 is fixed on a second mounting seat 15 in a rear flange mode, a piston rod of the tested oil cylinder is connected to an ear seat 10 through a pin shaft 9, and the ear seat 10 is fixed with the right side of a connecting plate 11; therefore, the tested oil cylinder 12 with different installation distances can be tested by the stretching of the loading oil cylinder 4; the loading oil cylinder 4 is provided with a displacement sensor 3 for measuring the stroke of an oil cylinder piston rod, and the displacement sensor 3 can also set a maximum alarm value and a minimum alarm value according to the stroke of the tested oil cylinder so as to prevent the tested oil cylinder from being damaged in the test process; the rod cavity and the rodless cavity of the loading oil cylinder 4 are respectively provided with a pressure sensor 2 for calculating the oil pressure value of the loading oil cylinder, the rod cavity of the loading oil cylinder 4 is close to the first mounting seat 7, and the rodless cavity is far away; the utility model provides a hydraulic cylinder test bench still includes one set and is used for providing the hydraulic oil source (current well-known technique) of power supply for hydraulic cylinder, and is used for controlling the hydraulic oil source, and reads sensor signal and output test result's host computer, and the host computer can adopt the computer, and the host computer passes through the cable and is connected with motor, solenoid valve, oil hydraulic pump and pressure sensor 2, displacement sensor 3 of hydraulic oil source, and PLC through the host computer can realize the automatic control to the test.
During testing, the tested cylinder 12 is installed on a hydraulic oil cylinder test bed, and oil supply pipelines of a hydraulic oil source are respectively connected to two cavities of the loading oil cylinder 4 and two cavities of the tested cylinder 12. At the moment, oil is fed into a rod cavity of the tested oil cylinder, a piston rod extends out, the connecting plate 11 is pushed to move towards the loading oil cylinder 4, and the piston rod of the loading oil cylinder 4 retracts; and (3) feeding oil into a rodless cavity of the tested oil cylinder 12, retracting the piston rod, pulling the connecting plate 11 to move towards the tested oil cylinder 12 side, and extending the piston rod of the loading oil cylinder 4. The pressure sensor 2 is used for measuring an oil pressure value, the output force of the oil cylinder can be obtained through calculation of an upper computer, and the displacement sensor 3 is used for measuring the stroke of the oil cylinder and can be used for setting the maximum value and the minimum value for alarm protection.
A hydraulic cylinder test bench can carry out the following tests on a tested cylinder: test run, starting pressure characteristic test, pressure resistance test, durability test, leakage test and stroke detection. The parameters of each test can be displayed in the software of the upper computer, and test data can be output.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (7)
1. A hydraulic cylinder test bed is characterized by comprising a base (1), wherein a first mounting seat (7) and a second mounting seat (5) are respectively arranged at two ends of the base (1), the first mounting seat (7) and the second mounting seat (5) are vertically and rightly arranged, a guide pillar (8) is horizontally arranged between the first mounting seat (7) and the second mounting seat (5), the guide pillar (8) is vertically arranged between the first mounting seat (7) and the second mounting seat (5), a connecting plate (11) positioned between the first mounting seat (7) and the second mounting seat (5) is slidably arranged on the guide pillar (8), the guide pillar (8) vertically penetrates through the connecting plate (11), a loading cylinder (4) is connected to the left side of the first mounting seat (7) through a flange, a piston rod of the loading cylinder (4) is fixedly connected with the left side of the connecting plate (11) after penetrating through the center of the first mounting seat (7), a tested oil cylinder (12) is arranged between the second mounting seat (5) and the connecting plate (11), a cylinder barrel of the tested oil cylinder (12) is connected with the side face of the second mounting seat (5) through a flange, a piston rod of the tested oil cylinder (12) is fixedly connected with the right side face of the connecting plate (11), a displacement sensor (3) used for measuring the stroke of the piston rod is arranged on the loading oil cylinder (4), and pressure sensors (2) used for measuring the oil pressure value of the loading oil cylinder (4) are arranged on a rod cavity and a rodless cavity of the loading oil cylinder (4); the hydraulic cylinder test bed also comprises a hydraulic oil source for providing a power source for the hydraulic cylinder and an upper computer for controlling the hydraulic oil source, reading a sensor signal and outputting a test result.
2. The hydraulic oil cylinder test bed according to claim 1, wherein the two side surfaces of the connecting plate (11) are fixedly connected with lug seats (10), and the lug seats (10) are connected with piston rods of the loading oil cylinder (4) and the tested oil cylinder (12) through pin shafts (9).
3. The hydraulic cylinder test bed according to claim 1, wherein the number of the guide pillars (8) is four, two ends of the four guide pillars (8) are respectively arranged at four corresponding vertex angles of the first mounting seat (7) and the second mounting seat (5), and the four guide pillars (8) all penetrate through the connecting plate (11) and the four corresponding vertex angles of the first mounting seat (7) and the second mounting seat (5).
4. The hydraulic cylinder test bed according to claim 3, wherein two ends of the four guide posts (8) are provided with threads, two ends of the four guide posts (8) respectively penetrate through positions of four corresponding vertex angles of the first mounting seat (7) and the second mounting seat (5), and the four guide posts (8) are fixedly connected with the first mounting seat (7) and the second mounting seat (5) through matched locking nuts (6).
5. A hydraulic cylinder test bench according to claim 1, characterized in that the diameter of the loading cylinder (4) is 200mm, the rod diameter is 100mm and the stroke is 1000 mm.
6. A hydraulic cylinder test bench according to claim 1, characterized in that the displacement sensor (3) is provided with an alarm value.
7. The hydraulic cylinder test bed according to any one of claims 1-6, wherein the upper computer is connected with a motor, an electromagnetic valve, a hydraulic pump, a pressure sensor (2) and a displacement sensor (3) of a hydraulic oil source through cables, and automatic control of the test is realized through a PLC of the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447738.8U CN214331061U (en) | 2021-03-02 | 2021-03-02 | Hydraulic cylinder test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447738.8U CN214331061U (en) | 2021-03-02 | 2021-03-02 | Hydraulic cylinder test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331061U true CN214331061U (en) | 2021-10-01 |
Family
ID=77885840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120447738.8U Active CN214331061U (en) | 2021-03-02 | 2021-03-02 | Hydraulic cylinder test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331061U (en) |
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2021
- 2021-03-02 CN CN202120447738.8U patent/CN214331061U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic cylinder test bench Effective date of registration: 20230704 Granted publication date: 20211001 Pledgee: Chengdu Economic and Technological Development Zone SME Financing Guarantee Co.,Ltd. Pledgor: SICHUAN BORUI ZHONGKONG TECHNOLOGY Co.,Ltd. Registration number: Y2023510000164 |