CN210533857U - Parallel four-bar linkage test system - Google Patents
Parallel four-bar linkage test system Download PDFInfo
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- CN210533857U CN210533857U CN201921105808.0U CN201921105808U CN210533857U CN 210533857 U CN210533857 U CN 210533857U CN 201921105808 U CN201921105808 U CN 201921105808U CN 210533857 U CN210533857 U CN 210533857U
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- parallel
- bar linkage
- auxiliary power
- power system
- test
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Abstract
The utility model discloses a parallel four-bar linkage test system, a first driving mechanism, a second driving mechanism and a parallel four-bar linkage are respectively installed and connected with a loading pressure block, and a loading test bench is fixedly installed at the bottom of a test bench and used for placing a workpiece to be tested provided with 1 or more strain sensors; the upper part of the workpiece is in direct loading contact with a loading pressure block; the parallel four-bar linkage mechanism comprises parallel four-bar linkage assemblies which are hinged with each other, one end of a linkage shaft of each parallel four-bar linkage assembly is hinged with a first auxiliary power system, the end part of a loading pressure block positioned on one side of each parallel four-bar linkage mechanism is hinged with a second auxiliary power system, and the first auxiliary power system and the second auxiliary power system are vertically distributed and installed; the utility model discloses a parallel four-bar linkage with auxiliary power can freely reset as required, can effectively guarantee the holistic reliable and stable nature of test system simultaneously, improves life, stops the potential safety hazard.
Description
Technical Field
The utility model belongs to a test system is used in the civil engineering field, concretely relates to parallel four-bar linkage test system.
Background
The testing system for civil engineering is a key monitoring device for ensuring the construction quality of civil engineering, and the parallel four-bar testing system is mainly used for testing the performance of a workpiece under variable inclined load pressure. To achieve variable tilt angle loading of the workpiece output, a parallel four bar linkage is required. However, the parallel four-bar linkage mechanism of the existing parallel four-bar linkage test system adopts a pure hinge structure, once the power system for driving fails, the parallel four-bar linkage mechanism cannot realize free reset, is easy to damage, and has potential safety hazards.
Therefore, the present inventors decided to improve the above-described technical problem based on years of research experience in civil engineering test systems.
Disclosure of Invention
In view of this, the utility model aims at providing a parallel four-bar linkage test system adopts the parallel four-bar linkage that has auxiliary power, can freely reset as required, can effectively guarantee the holistic reliable and stable nature of test system simultaneously, improves life, stops the potential safety hazard.
The utility model adopts the technical scheme as follows:
a parallel four-bar linkage test system comprises a test bench, wherein a first driving mechanism and a second driving mechanism are respectively installed above and on one side of the test bench, a parallel four-bar linkage is installed on the other side of the test bench, the first driving mechanism, the second driving mechanism and the parallel four-bar linkage are respectively installed and connected with a loading pressure block, and a loading test bench is fixedly installed at the bottom of the test bench and used for placing a workpiece to be tested, provided with 1 or more strain sensors, and the workpiece to be tested is installed on the bottom of the test bench; the upper part of the workpiece is in direct loading contact with the loading pressure block; the parallel four-bar linkage mechanism comprises parallel four-bar linkage assemblies which are hinged with each other, one end of a linkage shaft of each parallel four-bar linkage assembly is hinged with a first auxiliary power system, the end part of a loading pressure block which is positioned on one side of the parallel four-bar linkage mechanism is hinged with a second auxiliary power system, and the first auxiliary power system and the second auxiliary power system are vertically distributed and installed.
Preferably, the first auxiliary power system comprises a first hydraulic power mechanism installed on the test bench, an output end of the first hydraulic power mechanism is hinged to one end of the connecting rod shaft, the second auxiliary power system comprises a second hydraulic power mechanism installed on the test bench, an output end of the second hydraulic power mechanism is hinged to an end portion of the loading pressure block located on one side of the parallel four-bar linkage, and the first hydraulic power mechanism and the second hydraulic power mechanism are vertically distributed and installed.
Preferably, the output end of the first hydraulic power mechanism is provided with a first hinge shaft, and one end of the connecting rod shaft is provided with a first hinge hole in hinge fit with the first hinge shaft; and the output end of the second hydraulic power mechanism is provided with a second hinge shaft, and a loading pressure block positioned on one side of the parallel four-bar linkage mechanism is provided with a second hinge hole in hinge fit with the second hinge shaft.
Preferably, the first driving mechanism and the second driving mechanism both adopt hydraulic driving mechanisms.
Preferably, the periphery of the loading test platform is provided with a detachable and height-adjustable protective screw.
It should be noted that the strain sensor can be purchased and obtained directly in the market, and the specific technical scheme and the working principle thereof are all common knowledge of those skilled in the art, and the detailed description thereof is not provided herein.
The utility model discloses a further articulated first auxiliary power system and the auxiliary power system of second that sets up on parallel four-bar linkage assembly of parallel four-bar linkage mechanism, first auxiliary power system and the auxiliary power system of second are the vertical distribution installation, when specifically experimenting, the articulated displacement of controlling is carried out to parallel four-bar linkage assembly under first actuating mechanism and second actuating mechanism's drive power, and first auxiliary power system and the auxiliary power system of second can provide articulated displacement drive power to parallel four-bar linkage assembly as required simultaneously, especially when first actuating mechanism or second actuating mechanism break down, the utility model discloses a parallel four-bar linkage assembly can realize freely resetting, has avoided the potential safety hazard, can effectively guarantee the holistic reliability and stability of test system simultaneously, improves test system's whole life.
Drawings
FIG. 1 is a schematic diagram of a parallel four-bar linkage testing system 100 according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is an enlarged view of the structure at B in fig. 1.
Detailed Description
The embodiment of the utility model discloses a parallel four-bar linkage test system, including the test bench, the top and one side of test bench are installed first actuating mechanism and second actuating mechanism respectively, and the opposite side of test bench is installed parallel four-bar linkage, and first actuating mechanism, second actuating mechanism and parallel four-bar linkage are installed respectively and are connected the loading pressure piece, and the bottom of test bench is fixed and is installed the loading testboard for placing the workpiece to be tested who installs 1 or more strain sensors; the upper part of the workpiece is in direct loading contact with a loading pressure block; the parallel four-bar linkage mechanism comprises parallel four-bar linkage assemblies which are hinged to each other, one end of a linkage shaft of each parallel four-bar linkage assembly is hinged to a first auxiliary power system, the end portion of a loading pressure block located on one side of each parallel four-bar linkage mechanism is hinged to a second auxiliary power system, and the first auxiliary power system and the second auxiliary power system are vertically distributed and installed.
The embodiment of the utility model provides a set up first auxiliary power system and second auxiliary power system through further articulating on parallel four link assembly at parallel four link mechanism, first auxiliary power system and second auxiliary power system are the vertical distribution installation, when specifically experimenting, articulated displacement about parallel four link assembly carries out under first actuating mechanism and second actuating mechanism's drive power, and first auxiliary power system and second auxiliary power system can provide articulated displacement drive power to parallel four link assembly as required simultaneously, especially when first actuating mechanism or second actuating mechanism break down, the utility model discloses parallel four link assembly can realize freely resetting, has avoided the potential safety hazard, can effectively guarantee the holistic reliability of test system simultaneously, improves test system's whole life.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1, a parallel four-bar linkage test system 100 includes a test bench 110, a first driving mechanism 120 and a second driving mechanism 130 are respectively installed above and at one side of the test bench 110, a parallel four-bar linkage 140 is installed at the other side of the test bench 110, the first driving mechanism 120, the second driving mechanism 130 and the parallel four-bar linkage 140 are respectively installed and connected with a loading pressure block 150, and a loading test bench 160 is fixedly installed at the bottom of the test bench 110 for placing a workpiece 200 to be tested, on which 1 or more strain sensors (not shown) are installed; the upper part of the workpiece 200 is in direct loading contact with the loading pressure block 150; the parallel four-bar linkage mechanism 140 comprises parallel four-bar linkage assemblies which are hinged with each other, one end of a linkage shaft 141 of each parallel four-bar linkage assembly is hinged with a first auxiliary power system 170, the end part of a loading pressure block 150 positioned on one side of each parallel four-bar linkage mechanism is hinged with a second auxiliary power system 180, and the first auxiliary power system 170 and the second auxiliary power system 180 are vertically distributed and installed;
preferably, as further shown in fig. 2 and 3, in the present embodiment, the first auxiliary power system 170 includes a first hydraulic power mechanism 171 mounted on the test bed 110, an output end of the first hydraulic power mechanism 171 is hinged to one end of the connecting rod shaft 141, the second auxiliary power system 180 includes a second hydraulic power mechanism 181 mounted on the test bed 110, an output end of the second hydraulic power mechanism 181 is hinged to an end of the loading pressure block 150 located on one side of the parallel four-bar linkage 140, and the first hydraulic power mechanism 171 and the second hydraulic power mechanism 181 are mounted in a vertically distributed manner;
preferably, in the present embodiment, the output end of the first hydraulic power mechanism 171 is provided with a first hinge shaft 171a, and one end of the link shaft 141 is provided with a first hinge hole 141a in hinge fit with the first hinge shaft 171 a; the output end of the second hydraulic power mechanism 181 is provided with a second hinge shaft 181a, and the loading pressure block 150 located at one side of the parallel four-bar linkage 140 is provided with a second hinge hole 151 in hinge fit with the second hinge shaft 181 a;
preferably, in the present embodiment, the first drive mechanism 120 and the second drive mechanism 130 both employ hydraulic drive mechanisms;
preferably, in this embodiment, the protection screws 161 with detachable and adjustable height are installed around the loading test platform 160, so as to effectively prevent the workpiece 200 from bursting and flying out during the test process, thereby avoiding potential safety hazards.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A parallel four-bar linkage test system is characterized by comprising a test bench, wherein a first driving mechanism and a second driving mechanism are respectively arranged above and at one side of the test bench, a parallel four-bar linkage is arranged at the other side of the test bench, the first driving mechanism, the second driving mechanism and the parallel four-bar linkage are respectively connected with a loading pressure block, and a loading test bench is fixedly arranged at the bottom of the test bench and used for placing a workpiece to be tested provided with 1 or more strain sensors; the upper part of the workpiece is in direct loading contact with the loading pressure block; the parallel four-bar linkage mechanism comprises parallel four-bar linkage assemblies which are hinged with each other, one end of a linkage shaft of each parallel four-bar linkage assembly is hinged with a first auxiliary power system, the end part of a loading pressure block which is positioned on one side of the parallel four-bar linkage mechanism is hinged with a second auxiliary power system, and the first auxiliary power system and the second auxiliary power system are vertically distributed and installed.
2. The parallel four-bar linkage test system according to claim 1, wherein the first auxiliary power system comprises a first hydraulic power mechanism mounted on the test bench, an output end of the first hydraulic power mechanism is hinged to one end of the connecting rod shaft, the second auxiliary power system comprises a second hydraulic power mechanism mounted on the test bench, an output end of the second hydraulic power mechanism is hinged to an end of the loading pressure block located on one side of the parallel four-bar linkage, and the first hydraulic power mechanism and the second hydraulic power mechanism are vertically distributed and mounted.
3. The parallel four-bar linkage testing system according to claim 2, wherein the output end of the first hydraulic power mechanism is provided with a first hinge shaft, and one end of the connecting rod shaft is provided with a first hinge hole in hinge fit with the first hinge shaft; and the output end of the second hydraulic power mechanism is provided with a second hinge shaft, and a loading pressure block positioned on one side of the parallel four-bar linkage mechanism is provided with a second hinge hole in hinge fit with the second hinge shaft.
4. The parallel four-bar linkage test system according to claim 1, wherein the first drive mechanism and the second drive mechanism are both hydraulic drive mechanisms.
5. The parallel four-bar linkage test system according to claim 1, wherein a detachable and height-adjustable guard screw is installed around the loading test platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105808.0U CN210533857U (en) | 2019-07-16 | 2019-07-16 | Parallel four-bar linkage test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105808.0U CN210533857U (en) | 2019-07-16 | 2019-07-16 | Parallel four-bar linkage test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533857U true CN210533857U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921105808.0U Expired - Fee Related CN210533857U (en) | 2019-07-16 | 2019-07-16 | Parallel four-bar linkage test system |
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|---|---|
| CN (1) | CN210533857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964463A (en) * | 2021-04-13 | 2021-06-15 | 哈尔滨工业大学 | Parallel four-bar test loading device matched with reaction frame |
-
2019
- 2019-07-16 CN CN201921105808.0U patent/CN210533857U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964463A (en) * | 2021-04-13 | 2021-06-15 | 哈尔滨工业大学 | Parallel four-bar test loading device matched with reaction frame |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210716 |