CN218266617U - Single-acting cylinder test system - Google Patents
Single-acting cylinder test system Download PDFInfo
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- CN218266617U CN218266617U CN202222441451.1U CN202222441451U CN218266617U CN 218266617 U CN218266617 U CN 218266617U CN 202222441451 U CN202222441451 U CN 202222441451U CN 218266617 U CN218266617 U CN 218266617U
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Abstract
The utility model discloses a single-acting cylinder test system, include: the first testing oil cylinder and the second testing oil cylinder are oppositely and detachably fixed on the supporting strip-shaped seat, the first testing oil cylinder and the second testing oil cylinder are coaxial, and a piston rod of the first testing oil cylinder is detachably and fixedly butted with a piston rod of the second testing oil cylinder; the power source comprises a hydraulic pump, a three-position four-way electromagnetic valve and an oil return pipeline, wherein the three-position four-way electromagnetic valve is provided with a P end communicated with the output end of the hydraulic pump, an O end communicated with the oil return pipeline, an A end and a B end which can be selectively output; a rodless cavity of the first testing oil cylinder and a first oil way at the end A of the three-position four-way electromagnetic valve are connected; and a second oil way which is connected with the rodless cavity of the second testing oil cylinder and the B end of the three-position four-way electromagnetic valve. The two single-acting oil cylinders can be tested simultaneously, so that the simulated working condition is close to the actual working condition.
Description
Technical Field
The utility model relates to a hydraulic pressure technical field particularly, is a single-action jar test system.
Background
In the prior art, the oil circuit arrangement of the single-acting oil cylinder testing system is often complex, and only one single-acting oil cylinder can be tested, so that the testing process is inconvenient and inconvenient to popularize and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single-acting cylinder test system can test two single-acting cylinders simultaneously to the structure sets up succinctly, the on-the-spot installation of being convenient for.
The purpose of the utility model is realized like this: the utility model provides a single-action cylinder test system, includes that the test of participation test just establishes to the test hydro-cylinder one and test hydro-cylinder two of single-action hydro-cylinder, still includes:
the testing oil cylinder I and the testing oil cylinder II are oppositely and detachably fixed on the supporting strip-shaped seat, the testing oil cylinder I and the testing oil cylinder II are coaxial, and a piston rod of the testing oil cylinder I is detachably and fixedly butted with a piston rod of the testing oil cylinder II;
the power source comprises a hydraulic pump, a three-position four-way electromagnetic valve and an oil return pipeline, wherein the three-position four-way electromagnetic valve is provided with a P end communicated with the output end of the hydraulic pump, an O end communicated with the oil return pipeline, an A end and a B end which can be selectively output;
a rodless cavity of the first testing oil cylinder and a first oil way at the end A of the three-position four-way electromagnetic valve are connected;
and a second oil way which is connected with the rodless cavity of the second testing oil cylinder and the B end of the three-position four-way electromagnetic valve.
Further, a first throttle valve is arranged in the first oil path, and a second throttle valve is arranged in the second oil path.
And the output pipeline of the hydraulic pump bypasses the overflow valve and is communicated with the oil return pipeline through the overflow valve.
Furthermore, the first testing oil cylinder, the second testing oil cylinder and the supporting strip-shaped seat are all horizontally arranged.
Furthermore, two pipe clamps are fixed on the support strip-shaped seat, and the cylinder barrel of the first testing oil cylinder and the cylinder barrel of the second testing oil cylinder are respectively detachably fixed and sleeved on the two pipe clamps.
The testing oil cylinder I and the testing oil cylinder II are respectively connected with the two ends of the supporting bar-shaped seat in a fixed connection mode and respectively correspond to the testing oil cylinder I and the testing oil cylinder II, shaft pins are inserted into the tail portion of the cylinder barrel of the testing oil cylinder I and the tail portion of the cylinder barrel of the testing oil cylinder II, and the tail portion of the cylinder barrel of the testing oil cylinder I and the tail portion of the cylinder barrel of the testing oil cylinder II are connected with the corresponding end supporting seats through the respective shaft pins.
Furthermore, piston rod fixing sleeves are fixed at the tail end of the piston rod of the first testing oil cylinder and the tail end of the piston rod of the second testing oil cylinder, and the two piston rod fixing sleeves are attached to each other relatively and fixedly connected detachably during testing.
The beneficial effects of the utility model reside in that:
1. the two single-acting oil cylinders can be tested simultaneously, so that the simulated working condition is close to the actual working condition, and the structure is simple and compact in arrangement, can be disassembled and is convenient for field installation;
2. two single-acting oil cylinders are adopted to mutually pressurize and abut against each other, so that load simulation is realized, a throttle valve can be utilized to adjust oil pressure, and the problem that the oil pressure cannot return after testing can be prevented.
Drawings
Fig. 1 is a system layout diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying figures 1-2 and the specific embodiments.
As shown in fig. 1 and 2, a single acting cylinder testing system includes:
the test oil cylinder I1 and the test oil cylinder II are used for participating in the test and are set as single-action oil cylinders;
the testing device comprises a supporting strip-shaped seat 8 which is fixedly arranged, wherein the supporting strip-shaped seat 8 is a channel steel in the embodiment, a testing oil cylinder I1 and a testing oil cylinder II 2 are oppositely and detachably fixed on the supporting strip-shaped seat 8, the testing oil cylinder I1 and the testing oil cylinder II 2 are coaxial, and a piston rod of the testing oil cylinder I1 is detachably and fixedly butted with a piston rod of the testing oil cylinder II 2;
the power source 7 comprises a hydraulic pump 701, a three-position four-way electromagnetic valve 702 and an oil return pipeline 704, wherein the three-position four-way electromagnetic valve 702 is provided with a P end communicated with the output end of the hydraulic pump 701, an O end communicated with the oil return pipeline 704, an A end and a B end which can be selectively output;
a first oil way 3 is connected with a rodless cavity of the first testing oil cylinder 1 and the end A of the three-position four-way electromagnetic valve 702, and a first throttle valve 4 is arranged in the first oil way 3;
a second oil path 5 is connected with a rodless cavity of the second testing oil cylinder 2 and the end B of the three-position four-way electromagnetic valve 702, and a second throttle valve 6 is arranged in the second oil path 5;
the output line of the hydraulic pump 701 bypasses the relief valve 703, and is connected to the return line 704 through the relief valve 703.
As shown in fig. 1, the test principle is as follows: one oil cylinder is pressed and pushed to the head to serve as a load, the other oil cylinder serves as a measured object, the pressure resistance condition of the measured oil cylinder is observed, and a throttle valve serving as a load end is adjusted to finish debugging of single action time.
When pressure maintaining is carried out, the three-position four-way electromagnetic valve 702 is switched to a middle position, the P end is not communicated with the A end, and the B end is not communicated with the O end, so that the first testing oil cylinder 1 and the second testing oil cylinder 2 are in a non-telescopic state, and further observation is facilitated.
This example, when performing the test:
A. when the three-position four-way electromagnetic valve 702 is switched to a left position, the P end is communicated with the A end, the B end is communicated with the O end, the hydraulic pump 701 conveys oil into the first oil way 3, the oil enters the rodless cavity of the first testing oil cylinder 1 through the first throttle valve 4, the piston rod of the first testing oil cylinder 1 is ejected out, the piston rod of the second testing oil cylinder 2 is pressed, the maximum stroke and the external leakage condition of the piston rod of the first testing oil cylinder 1 are observed, and the pressure is maintained for 2 minutes after the stroke of the piston rod of the first testing oil cylinder 1 reaches the end point, so that the second testing oil cylinder 2 is tested, and the pressure resistance condition of the second testing oil cylinder 2 is observed;
B. when the three-position four-way electromagnetic valve 702 is switched to the right position, the P end is communicated with the B end, the A end is communicated with the O end, the hydraulic pump 701 conveys oil to the second oil path 5, the oil passes through the second throttle valve 6 and then passes through the rodless cavity of the testing oil cylinder II 2, so that the piston rod of the testing oil cylinder II 2 is ejected out, the piston rod of the testing oil cylinder I1 is pressed, the maximum stroke and the external leakage condition of the piston rod of the testing oil cylinder II 2 are observed, the pressure of the piston rod of the testing oil cylinder II 2 is maintained for 2 minutes after the stroke reaches the end point, the testing oil cylinder I1 is tested, and the pressure resistance condition of the testing oil cylinder I1 is observed.
The testing oil cylinder I1, the testing oil cylinder II 2 and the supporting strip-shaped seat 8 are arranged horizontally, two pipe clamps 9 are fixed on the supporting strip-shaped seat 8, and the two pipe clamps 9 are detachably fixed to be sleeved with the front end of the cylinder barrel of the testing oil cylinder I1 and the front end of the cylinder barrel of the testing oil cylinder II 2 respectively.
The system further comprises two end supporting seats 10, the two end supporting seats 10 are fixedly connected with the two ends of the supporting strip-shaped seat 8 respectively and correspond to the first testing oil cylinder 1 and the second testing oil cylinder 2 respectively, shaft pins 11 are inserted into the tail portion of the first testing oil cylinder 1 and the tail portion of the second testing oil cylinder 2, and the tail portion of the first testing oil cylinder 1 and the tail portion of the second testing oil cylinder 2 are connected with the corresponding end supporting seats 10 through the respective shaft pins 11.
Through the arrangement, the front end and the rear end of the cylinder barrel of the two testing oil cylinders can be supported, so that the testing oil cylinder I1 and the testing oil cylinder II 2 are in a horizontal state, and the installation is convenient.
In order to connect the piston rods of the two testing oil cylinders, the piston rod fixing sleeves 12 are fixed at the tail ends of the piston rods of the testing oil cylinder I1 and the piston rod of the testing oil cylinder II 2, and the two piston rod fixing sleeves 12 are oppositely attached and detachably and fixedly connected during testing.
In the present application, the means of "detachably fixing the connection" may be various, such as a screw connection, a latch connection, and the like.
The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a single-acting cylinder test system which characterized in that, includes the test hydro-cylinder (1) and the test hydro-cylinder two (2) of participating in the test and establishing to the single-acting hydro-cylinder, still includes:
the testing oil cylinder I (1) and the testing oil cylinder II (2) are oppositely and detachably fixed on the supporting strip-shaped seat (8), the testing oil cylinder I (1) and the testing oil cylinder II (2) are coaxial, and a piston rod of the testing oil cylinder I (1) is detachably and fixedly butted with a piston rod of the testing oil cylinder II (2);
the power source (7) comprises a hydraulic pump (701), a three-position four-way electromagnetic valve (702) and an oil return pipeline (704), wherein the three-position four-way electromagnetic valve (702) is provided with a P end communicated with the output end of the hydraulic pump (701), an O end communicated with the oil return pipeline (704), an A end and a B end which can be selectively output;
a first oil way (3) connected with a rodless cavity of the first test oil cylinder (1) and the A end of the three-position four-way solenoid valve (702);
and a second oil path (5) connected with the rodless cavity of the second testing oil cylinder (2) and the B end of the three-position four-way solenoid valve (702).
2. A single acting cylinder testing system as claimed in claim 1, wherein: and a first throttle valve (4) is arranged in the first oil path (3).
3. A single acting cylinder testing system as claimed in claim 2, wherein: and a second throttle valve (6) is arranged in the second oil path (5).
4. A single acting cylinder testing system as claimed in claim 3, wherein: the hydraulic pump further comprises an overflow valve (703), and an output pipeline of the hydraulic pump (701) bypasses the overflow valve (703) and is communicated with the oil return pipeline (704) through the overflow valve (703).
5. A single acting cylinder testing system as claimed in claim 1, wherein: the testing oil cylinder I (1), the testing oil cylinder II (2) and the supporting strip-shaped seat (8) are all horizontally arranged.
6. The single acting cylinder testing system of claim 5, wherein: two pipe clamps (9) are fixed on the support strip-shaped seat (8), and the cylinder barrel of the first test oil cylinder (1) and the cylinder barrel of the second test oil cylinder (2) are detachably fixed and sleeved on the two pipe clamps (9) respectively.
7. The single acting cylinder testing system of claim 6, wherein: the testing device is characterized by further comprising two end supporting seats (10), wherein the two end supporting seats (10) are fixedly connected with two ends of the supporting bar-shaped seat (8) respectively and correspond to the first testing oil cylinder (1) and the second testing oil cylinder (2), shaft pins (11) are inserted into the cylinder tail part of the first testing oil cylinder (1) and the cylinder tail part of the second testing oil cylinder (2), and the cylinder tail part of the first testing oil cylinder (1) and the cylinder tail part of the second testing oil cylinder (2) are connected with the corresponding end supporting seats (10) through the respective shaft pins (11).
8. The single acting cylinder testing system of claim 6, wherein: the tail end of the piston rod of the first testing oil cylinder (1) and the tail end of the piston rod of the second testing oil cylinder (2) are respectively fixed with a piston rod fixing sleeve (12), and the two piston rod fixing sleeves (12) are oppositely attached and detachably and fixedly connected during testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222441451.1U CN218266617U (en) | 2022-09-15 | 2022-09-15 | Single-acting cylinder test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222441451.1U CN218266617U (en) | 2022-09-15 | 2022-09-15 | Single-acting cylinder test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266617U true CN218266617U (en) | 2023-01-10 |
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ID=84714272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222441451.1U Active CN218266617U (en) | 2022-09-15 | 2022-09-15 | Single-acting cylinder test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266617U (en) |
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2022
- 2022-09-15 CN CN202222441451.1U patent/CN218266617U/en active Active
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