CN213929015U - Hydraulic cylinder testing device - Google Patents
Hydraulic cylinder testing device Download PDFInfo
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- CN213929015U CN213929015U CN202022454157.5U CN202022454157U CN213929015U CN 213929015 U CN213929015 U CN 213929015U CN 202022454157 U CN202022454157 U CN 202022454157U CN 213929015 U CN213929015 U CN 213929015U
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- oil cylinder
- swing arm
- hydraulic
- cylinder
- hydraulic pushing
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Abstract
The utility model provides a hydraulic cylinder testing arrangement relates to pneumatic cylinder technical field, include: the device comprises a base, a swing arm mounting seat, an oil cylinder support and a swing arm; wherein, the hydro-cylinder support specifically includes: the first oil cylinder support and the second oil cylinder support; the first oil cylinder support is arranged on the first side of the swing arm mounting seat; the second oil cylinder support is arranged on a second side of the swing arm mounting seat opposite to the first side; the swing arm is rotatably arranged on the swing arm mounting seat; the hydraulic pushing oil cylinder to be tested comprises a first hydraulic pushing oil cylinder arranged between a first oil cylinder support and a swing arm and a second hydraulic pushing oil cylinder arranged between a second oil cylinder support and the swing arm; a piston rod of the hydraulic pushing oil cylinder is connected with the swing arm spherical hinge, and the bottom of a cylinder barrel of the hydraulic pushing oil cylinder is connected with an oil cylinder support spherical hinge; the first hydraulic pushing oil cylinder and the second hydraulic pushing oil cylinder can push the swing arm to swing back and forth relative to the swing arm mounting seat. The hydraulic cylinder testing device provided by the application can test the fatigue performance of the hydraulic cylinder.
Description
Technical Field
The application relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder testing device.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion or swinging motion. For example, the pumping mechanism is provided with a swing mechanism having a swing arm and a swing cylinder that drives the swing arm to swing reciprocally. Chinese patent 201120448704.7 discloses a pumping mechanism and a concrete pump, wherein the pumping mechanism related in the patent document includes a swing cylinder, and a rocker arm reciprocates under the drive of the swing cylinder.
In a hydraulic system, a hydraulic cylinder is an important functional component, and the reliability of the hydraulic system and mechanical equipment is directly influenced. In mechanical equipment, the fatigue failure phenomenon is extremely extensive, and the reliability of a hydraulic cylinder is very important. Therefore, it is necessary to design a testing device to test the fatigue performance of the hydraulic cylinder.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will be solved lies in, to prior art's the aforesaid not enough, provides a hydraulic cylinder testing arrangement to test the fatigue performance of pneumatic cylinder.
This hydraulic cylinder testing arrangement includes:
a base;
the swing arm mounting seat is fixed on the base;
the oil cylinder support is fixed on the base; the hydro-cylinder support specifically includes: the first oil cylinder support and the second oil cylinder support; the first oil cylinder support is arranged on the first side of the swing arm mounting seat; the second oil cylinder support is arranged on a second side of the swing arm mounting seat opposite to the first side;
the swing arm is rotatably arranged on the swing arm mounting seat;
the hydraulic pushing oil cylinder to be tested comprises a first hydraulic pushing oil cylinder arranged between a first oil cylinder support and a swing arm and a second hydraulic pushing oil cylinder arranged between a second oil cylinder support and the swing arm; a piston rod of the hydraulic pushing oil cylinder is connected with the swing arm spherical hinge, and the bottom of a cylinder barrel of the hydraulic pushing oil cylinder is connected with an oil cylinder support spherical hinge; the first hydraulic pushing oil cylinder and the second hydraulic pushing oil cylinder can push the swing arm to swing back and forth relative to the swing arm mounting seat.
Furthermore, the hydraulic oil cylinder testing device is also provided with a plurality of measuring devices; the measuring device is used for measuring parameters in the process that the first hydraulic pushing oil cylinder and the second hydraulic pushing oil cylinder push the swing arm to swing in a reciprocating mode.
Further, the measuring device includes: oil pressure test device of hydraulic system.
Further, the measuring device includes: and the pressure sensor is arranged on the oil cylinder support.
Further, the pressure sensor is also provided with a pressure display meter matched with the pressure sensor.
Further, the swing arm is hinged on the swing arm mounting seat through a hinge shaft.
Further, the swing arm is mounted on the hinge shaft through a bearing.
Furthermore, a first spherical hinge head is arranged at the bottom of a cylinder barrel of the hydraulic pushing oil cylinder; a first spherical hinge cavity for accommodating a first spherical hinge head is arranged on the oil cylinder support;
a second spherical hinge head is arranged at one end, far away from the bottom of the cylinder barrel, of a piston rod of the hydraulic pushing oil cylinder; and a second spherical hinge cavity for accommodating a second spherical hinge head is arranged on the swing arm.
Furthermore, wear-resistant ball pads are arranged in the first spherical hinge cavity and the second spherical hinge cavity.
The application provides a hydraulic cylinder testing arrangement includes: the hydraulic oil cylinder device comprises a base, a swing arm mounting seat, an oil cylinder support, a swing arm and a hydraulic pushing oil cylinder; one end of the hydraulic pushing oil cylinder is connected with the swing arm, and the other end of the hydraulic pushing oil cylinder is connected with the swing arm. The hydraulic pushing oil cylinder to be tested can push the swing arm to continuously swing back and forth relative to the swing arm mounting seat, so that fatigue test can be carried out. Further, the hydraulic pushing oil cylinder to be tested in the application can simulate the movement of the swing oil cylinder in the pumping mechanism, so that the testing device is particularly suitable for fatigue testing of the swing oil cylinder in the pumping mechanism.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic cylinder testing device in an embodiment of the present application.
FIG. 2 is a schematic structural diagram of a hydraulic cylinder testing device in another direction in the embodiment of the present application.
Detailed Description
The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, the present application proposes a hydraulic cylinder testing apparatus, including: the test device comprises a base 1, a swing arm mounting base 2, an oil cylinder support 3, a swing arm 4 and a hydraulic pushing oil cylinder 5 to be tested; wherein the base 1 is used for carrying other components. Wherein, the swing arm mounting base 2 and the oil cylinder support 3 are fixed on the base 1;
specifically, the cylinder support 3 specifically includes: a first cylinder support 3a and a second cylinder support 3 b; the first oil cylinder support 3a is arranged on the first side of the swing arm mounting seat 2; the second oil cylinder support 3b is arranged on a second side of the swing arm mounting base 2 opposite to the first side; the first oil cylinder support 3a and the second oil cylinder support 3b are respectively arranged at two side positions of the swing arm mounting seat 2; the swing arm 4 is rotatably arranged on the swing arm mounting seat 2; the hydraulic pushing oil cylinder 5 to be tested comprises a first hydraulic pushing oil cylinder 5a arranged between a first oil cylinder support 3a and a swing arm 4 and a second hydraulic pushing oil cylinder 5b arranged between a second oil cylinder support 3b and the swing arm 4; a piston rod 51 of the hydraulic pushing oil cylinder 5 is connected with the swing arm 4 through a spherical hinge, and the bottom 52 of a cylinder barrel of the hydraulic pushing oil cylinder is connected with the oil cylinder support 3 through a spherical hinge; the first hydraulic pushing cylinder 5a and the second hydraulic pushing cylinder 5b can push the swing arm 4 to swing back and forth relative to the swing arm mounting base 2. The first hydraulic pushing oil cylinder 5a and the second hydraulic pushing oil cylinder 5b are distributed at the positions of two sides of the swing arm 4, the swing arm 4 can be pushed to do reciprocating motion continuously, and then the fatigue performance of the first hydraulic pushing oil cylinder 5a and the second hydraulic pushing oil cylinder 5b is tested through long-time reciprocating swing.
Further, the pumping mechanism comprises a swing mechanism, and the swing mechanism comprises: the swing arm is used for driving the distribution valve, and the two swing oil cylinders are used for driving the swing arm to swing. The rocker arm reciprocates under the drive of the swing oil cylinder. The arrangement mode of the hydraulic pushing oil cylinder 5 is consistent with that of the swing oil cylinder in the pumping mechanism, so that the motion of the swing oil cylinder in the pumping mechanism can be simulated, and the hydraulic pushing oil cylinder is particularly suitable for fatigue testing of the swing oil cylinder in the pumping mechanism.
Further, after long-time test operation, the tested first hydraulic pushing cylinder 5a and the tested second hydraulic pushing cylinder 5b are disassembled from the testing device to detect the parts.
Further, the cylinder bottom 52 of the hydraulic push cylinder 5 is provided with a first ball joint 53; the oil cylinder support 3 is provided with a first spherical hinge cavity 31 for accommodating a first spherical hinge head 53; a second spherical hinge head 54 is arranged at one end of a piston rod 51 of the hydraulic pushing oil cylinder 5, which is far away from the cylinder barrel bottom 52; the swing arm 4 is provided with a second spherical hinge cavity 41 for accommodating a second spherical hinge head 54. During installation, the cylinder barrel is installed on one side of the oil cylinder support 3, and the piston rod 51 is installed on one side of the swing arm 4. As the piston rod 51 is extended and retracted reciprocally with respect to the cylinder, the swing arm 4 is swung reciprocally. Further, wear-resistant ball pads 7 are arranged in the first ball hinge cavity 31 and the second ball hinge cavity 41.
The hydraulic oil cylinder testing device is also provided with a plurality of measuring devices 6; the measuring device 6 is used for measuring parameters in the process that the first hydraulic pushing oil cylinder 5a and the second hydraulic pushing oil cylinder 5b push the swing arm 4 to swing back and forth. The measuring device 6 is used to measure the data of the first hydraulic thrust cylinder 5a and the second hydraulic thrust cylinder 5b during operation. The measuring device 6 may be embodied as a sensor.
Further, the measuring device 6 includes: the oil pressure test device 61 of the hydraulic system. The oil pressure test device 61 is embodied as an oil pressure display meter which is capable of displaying the value of the oil pressure in the hydraulic system line.
Further, the measuring device 6 includes: and a pressure sensor 62 arranged on the cylinder support 3. The pressure sensor 62 is used for detecting the pressure applied to the cylinder support 3 by the hydraulic push cylinder 5.
In some embodiments, the pressure sensor 62 is further configured with a pressure display gauge 63 fitted to the pressure sensor 62. The pressure display gauge 63 is used for displaying the pressure value measured by the pressure sensor 62.
In some embodiments, the pressure sensor 62 may also be connected to a terminal device through which the pressure value is monitored.
In some embodiments, the swing arm 4 is hinged to the swing arm mount 2 by a hinge shaft 21. Further, the swing arm 4 is mounted on the hinge shaft 21 through a bearing.
In the embodiment of the application, the first hydraulic pushing cylinder 5a and the second hydraulic pushing cylinder 5b are distributed at two side positions of the swing arm 4 to push the swing arm 4 to do reciprocating motion continuously. The fatigue performance of the first hydraulic-pressure thrust cylinder 5a and the second hydraulic-pressure thrust cylinder 5b was tested by long-time reciprocating swing. In addition, the arrangement mode of the hydraulic pushing oil cylinder 5 is consistent with that of a swing oil cylinder in the pumping mechanism, so that the hydraulic oil cylinder testing device in the embodiment of the application is particularly suitable for fatigue testing of the swing oil cylinder in the pumping mechanism.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.
Claims (9)
1. A hydraulic cylinder testing arrangement, its characterized in that includes:
a base (1);
the swing arm mounting seat (2) is fixed on the base (1);
the oil cylinder support (3) is fixed on the base (1); the oil cylinder support (3) specifically comprises: a first cylinder support (3a) and a second cylinder support (3 b); the first oil cylinder support (3a) is arranged on the first side of the swing arm mounting seat (2); the second oil cylinder support (3b) is arranged on a second side, opposite to the first side, of the swing arm mounting seat (2);
the swing arm (4) is rotatably arranged on the swing arm mounting seat (2);
the hydraulic pushing oil cylinder (5) to be tested comprises a first hydraulic pushing oil cylinder (5a) arranged between a first oil cylinder support (3a) and a swing arm (4) and a second hydraulic pushing oil cylinder (5b) arranged between a second oil cylinder support (3b) and the swing arm (4); a piston rod (51) of the hydraulic pushing oil cylinder (5) is connected with the swing arm (4) in a spherical hinge mode, and the bottom (52) of a cylinder barrel of the hydraulic pushing oil cylinder is connected with the oil cylinder support (3) in a spherical hinge mode; the first hydraulic pushing oil cylinder (5a) and the second hydraulic pushing oil cylinder (5b) can push the swing arm (4) to swing back and forth relative to the swing arm mounting seat (2).
2. Hydraulic cylinder testing device according to claim 1, characterized in that it further has several measuring means (6); the measuring device (6) is used for measuring parameters in the process that the first hydraulic pushing oil cylinder (5a) and the second hydraulic pushing oil cylinder (5b) push the swing arm (4) to swing in a reciprocating mode.
3. Hydraulic cylinder testing device according to claim 2, characterized in that said measuring means (6) comprise: an oil pressure test device (61) of a hydraulic system.
4. Hydraulic cylinder testing device according to claim 2, characterized in that said measuring means (6) comprise: and a pressure sensor (62) arranged on the oil cylinder support (3).
5. Hydraulic ram testing device according to claim 4, characterized in that the pressure sensor (62) is further provided with a pressure display gauge (63) adapted to the pressure sensor (62).
6. A hydraulic cylinder testing device according to claim 1, characterized in that the swing arm (4) is hinged to the swing arm mounting (2) by means of a hinge shaft (21).
7. Hydraulic ram testing device according to claim 6, characterized in that the swing arm (4) is mounted on a hinge shaft (21) by means of bearings.
8. Hydraulic cylinder testing device according to claim 1, characterized in that the cylinder bottom (52) of the hydraulic thrust cylinder (5) is provided with a first ball joint (53); a first spherical hinge cavity (31) for accommodating a first spherical hinge head (53) is formed in the oil cylinder support (3);
a second spherical hinge head (54) is arranged at one end of a piston rod (51) of the hydraulic pushing oil cylinder (5) far away from the bottom (52) of the cylinder barrel; and a second spherical hinge cavity (41) for accommodating a second spherical hinge head (54) is arranged on the swing arm (4).
9. Hydraulic ram testing device according to claim 8, characterized in that a wear-resistant ball pad (7) is arranged in both the first spherical hinge chamber (31) and the second spherical hinge chamber (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022454157.5U CN213929015U (en) | 2020-10-29 | 2020-10-29 | Hydraulic cylinder testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022454157.5U CN213929015U (en) | 2020-10-29 | 2020-10-29 | Hydraulic cylinder testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929015U true CN213929015U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022454157.5U Active CN213929015U (en) | 2020-10-29 | 2020-10-29 | Hydraulic cylinder testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929015U (en) |
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2020
- 2020-10-29 CN CN202022454157.5U patent/CN213929015U/en active Active
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