CN112179647A - Double-cylinder synchronous load simulation test bed - Google Patents
Double-cylinder synchronous load simulation test bed Download PDFInfo
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- CN112179647A CN112179647A CN202011194337.2A CN202011194337A CN112179647A CN 112179647 A CN112179647 A CN 112179647A CN 202011194337 A CN202011194337 A CN 202011194337A CN 112179647 A CN112179647 A CN 112179647A
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- load simulation
- double
- test bed
- rack
- simulation test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of hydraulic equipment, and relates to a double-cylinder synchronous load simulation test bed, which comprises a rack and two load simulation components arranged on the rack; the load simulation component comprises a driving structure fixed on the lower portion of the rack, an upper end plate arranged on the upper portion of the rack, and a spring base arranged between the driving structure and the upper end plate, and an elastic piece is arranged on the spring base. The invention has simple structure, compact volume and reliable performance, and realizes synchronous driving simulation of the two hydraulic cylinders under different loads.
Description
Technical Field
The invention belongs to the technical field of hydraulic equipment, and relates to a double-cylinder synchronous load simulation test bed.
Background
Along with the development of equipment technology, two hydraulic cylinders are required to synchronously provide driving force under certain working conditions, and higher requirements are provided for the precision and control of double-cylinder synchronous motion. The double-cylinder synchronous load simulation test bed can simulate effective loads for double-cylinder synchronous control research, and is convenient for synchronous control research of different driving systems such as an electro-hydraulic direct drive system, a hydraulic valve system and the like.
Disclosure of Invention
In view of this, the present invention provides a double-cylinder synchronous load simulation test bed, which is used for simulating and testing the synchronous load of a hydraulic cylinder in a field in a laboratory.
In order to achieve the purpose, the invention provides the following technical scheme: a double-cylinder synchronous load simulation test bed comprises a rack and two load simulation components arranged on the rack;
the load simulation component comprises a driving structure fixed on the lower portion of the rack, an upper end plate arranged on the upper portion of the rack, and a spring base arranged between the driving structure and the upper end plate, and an elastic piece is arranged on the spring base.
Optionally, the top of the driving structure is connected with the spring base through a thread.
Optionally, a variable mass for simulating different inertial loads of the driving structure during driving is arranged on the upper end plate.
Optionally, an end cover is further fixedly arranged on the frame, and the top of the spring base penetrates through the end cover to be connected with the upper end plate.
Optionally, the elastic member is a compression spring, one end of the compression spring is connected with the spring base, and the other end of the compression spring is connected with the bottom of the end cover.
Optionally, the compression spring rate is uniform or non-uniform.
Optionally, a copper sleeve for guiding is further arranged between the upper end plate and the end cover.
Optionally, the driving structure includes a first hydraulic cylinder and a second hydraulic cylinder for synchronous driving, and displacement sensors are disposed on the first hydraulic cylinder and the second hydraulic cylinder.
The invention has the beneficial effects that: the double-cylinder synchronous load simulation test bed has the advantages of simple structure, compact size and reliable performance, and realizes synchronous drive simulation of the two hydraulic cylinders under different loads.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a left side view of fig. 1.
Reference numerals: the variable mass block comprises a frame 1, a variable mass block 2, an upper end plate 3, a copper sleeve 4, a spring 5, an end cover 6, a spring base 7, a first hydraulic cylinder 8 and a second hydraulic cylinder 9.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 2, a double-cylinder synchronous load simulation test bed includes a frame 1 and two load simulation components disposed on the frame 1; the load simulation component comprises a driving structure fixed at the lower part of the frame 1, an upper end plate 3 arranged at the upper part of the frame 1, and a spring base 7 arranged between the driving structure and the upper end plate 3, the spring base 7 is provided with an elastic part, the top of the driving structure is connected with the spring base 7 through screw threads, the upper end plate 3 is provided with a variable mass block 2 for simulating different inertial loads of the driving structure in the driving process, the frame 1 is also fixedly provided with an end cover 6, the top of the spring base 7 penetrates through the end cover 6 to be connected with the upper end plate 3, the elastic part is a compression spring 5, one end of the compression spring 5 is connected with the spring base 7, the other end of the compression spring is connected with the bottom of the end cover 6, a copper sleeve 4 for guiding is further arranged between the upper end plate 3 and the end cover 6, the driving structure comprises a first hydraulic cylinder 8 and a second hydraulic cylinder 9 which are used for synchronous driving, and displacement sensors are arranged on the first hydraulic cylinder 8 and the second hydraulic cylinder 9.
In the present embodiment, the stiffness of the compression spring 5 may be adjusted to be uniform or non-uniform depending on the operating condition (test to be tested).
In this embodiment, the copper sleeve 4 is filled with grease, which plays a guiding role during the movement of the spring base 7.
In this embodiment, the compression spring 5 can replace the springs 5 with different stiffness to simulate different loads, so as to realize synchronous driving simulation of the two hydraulic cylinders under different loads.
When the test device is used, the first hydraulic cylinder 8 and the second hydraulic cylinder 9 drive the spring base 7 to move upwards, the upper end plate 3 moves along with the spring base, the compression spring 5 is compressed to simulate the driving load of the hydraulic cylinders, and when the first hydraulic cylinder 8 and the second hydraulic cylinder 9 are lifted, the displacement sensors record the result needing to be verified in real time.
The double-cylinder synchronous load simulation test bed has the advantages of simple structure, compact size and reliable performance, and realizes synchronous drive simulation of the two hydraulic cylinders under different loads.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a double-cylinder synchronous load analogue test platform which characterized in that: the device comprises a rack and two load simulation components arranged on the rack;
the load simulation component comprises a driving structure fixed on the lower portion of the rack, an upper end plate arranged on the upper portion of the rack, and a spring base arranged between the driving structure and the upper end plate, and an elastic piece is arranged on the spring base.
2. The double-cylinder synchronous load simulation test bed according to claim 1, characterized in that: the top of the driving structure is connected with the spring base through threads.
3. The double-cylinder synchronous load simulation test bed according to claim 1, characterized in that: the upper end plate is provided with a variable mass block for simulating different inertia loads of the driving structure in the driving process.
4. The double-cylinder synchronous load simulation test bed according to claim 1, characterized in that: an end cover is fixedly arranged on the rack, and the top of the spring base penetrates through the end cover to be connected with the upper end plate.
5. The double-cylinder synchronous load simulation test bed according to claim 4, characterized in that: the elastic part is a compression spring, one end of the compression spring is connected with the spring base, and the other end of the compression spring is connected with the bottom of the end cover.
6. The double-cylinder synchronous load simulation test bed according to claim 5, characterized in that: the compression spring rates may be uniform or non-uniform.
7. The double-cylinder synchronous load simulation test bed according to claim 5, characterized in that: a copper sleeve for guiding is also arranged between the upper end plate and the end cover.
8. The double-cylinder synchronous load simulation test bed according to claim 1, characterized in that: the driving structure comprises a first hydraulic cylinder and a second hydraulic cylinder which are used for synchronous driving, and displacement sensors are arranged on the first hydraulic cylinder and the second hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194337.2A CN112179647A (en) | 2020-10-30 | 2020-10-30 | Double-cylinder synchronous load simulation test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194337.2A CN112179647A (en) | 2020-10-30 | 2020-10-30 | Double-cylinder synchronous load simulation test bed |
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| Publication Number | Publication Date |
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| CN112179647A true CN112179647A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011194337.2A Pending CN112179647A (en) | 2020-10-30 | 2020-10-30 | Double-cylinder synchronous load simulation test bed |
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| CN (1) | CN112179647A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264459A (en) * | 2021-12-09 | 2022-04-01 | 北京特种机械研究所 | Movable loading test bed |
-
2020
- 2020-10-30 CN CN202011194337.2A patent/CN112179647A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264459A (en) * | 2021-12-09 | 2022-04-01 | 北京特种机械研究所 | Movable loading test bed |
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