CN211292352U - Horizontal tensile frame test device - Google Patents
Horizontal tensile frame test device Download PDFInfo
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- CN211292352U CN211292352U CN201922198495.4U CN201922198495U CN211292352U CN 211292352 U CN211292352 U CN 211292352U CN 201922198495 U CN201922198495 U CN 201922198495U CN 211292352 U CN211292352 U CN 211292352U
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Abstract
The utility model discloses a horizontal tensile frame test device, including work platform, locate the portal frame on the work platform, portal frame includes parallel arrangement's articulated crossbeam and moving beam, be equipped with the lead screw of two centers of rotation that are parallel to each other and perpendicular to articulated crossbeam between articulated crossbeam and the moving beam, the fixed cartridge of one end of two lead screws is in articulated crossbeam, but the other end relative movement's of two lead screws connect in moving beam, be equipped with on the moving beam and be used for fixing its locking means on the lead screw, hinge joint is on work platform such as the both ends of articulated crossbeam, the bottom at moving beam both ends is equipped with the gyro wheel, work platform is equipped with the guide rail in the below of gyro wheel along the direction of rolling of gyro wheel. A three-point two-pair plane structure is formed to realize that the center height between the cross beams is positioned on the same plane, ensure that the loading direction of the tensile force of the sample is parallel or coincident with the stress direction of the sample, avoid the problem of unbalance loading and ensure the true and accurate test force value.
Description
Technical Field
The utility model relates to a test equipment technical field, more specifically say, relate to a horizontal tensile frame test device.
Background
At present, the center height of each beam of the traditional horizontal tensile test system is not in the same horizontal plane due to the limitation of the structure and the processing precision, so that the loading device loads the tensile test system, the center height of each beam is not in the same horizontal plane, namely, the direction of stress of the tensile test system is not coincident or not parallel to the plane where the tensile test system is located in the process of receiving tensile force, a deflection angle exists, the problem of unbalance loading exists in the tensile test system, and the test force indication precision has larger errors. This also has led many designers to forgo the use of horizontal structures instead of vertical tensile frame structures, but for some special specimens, horizontal tensile structures must be used.
Therefore, how to solve the problem of inaccurate experiment caused by unbalanced loading in the existing horizontal tensile test system is a problem to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a horizontal tensile frame test device can make the atress direction parallel or coincide with the place plane itself, avoids the problem of unbalance loading to satisfy horizontal tensile test requirement.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a horizontal tensile frame test device, includes work platform, locates portal frame on the work platform, portal frame includes parallel arrangement's articulated crossbeam and movable cross beam, articulated crossbeam with be equipped with two mutual parallels and perpendicular to between the movable cross beam the lead screw of the center of rotation of articulated crossbeam, two the fixed cartridge in articulated crossbeam of one end of lead screw, two but the other end relative movement's of lead screw connect in movable cross beam, the equal altitude hinge in the both ends of articulated crossbeam is in on the work platform, the bottom at movable cross beam both ends is equipped with the gyro wheel, the work platform is in the below of gyro wheel is followed the direction of rolling of gyro wheel is equipped with the guide rail.
Preferably, the two hinged cross beams are cuboid cross beams, and bosses for connecting a loading device are arranged on the outer sides of the hinged cross beams.
Preferably, the movable beam is a rectangular parallelepiped beam.
Preferably, the working platform is provided with hinged seats at two ends of the hinged beam, flange shafts are arranged at two ends of the hinged beam, copper sleeves are embedded in through holes of the hinged seats, and the flange shafts are inserted in the copper sleeves and can rotate relative to the copper sleeves.
Preferably, the flange shaft and the hinged cross beam are detachably connected through bolts.
Preferably, the hinged seat is detachably connected with the working platform through bolts.
The horizontal tensile frame test device provided by the utility model, the hinged beam, the movable beam and the lead screw between the two jointly form a portal frame, the movable beam is connected with the hinged beam through the lead screw, the movable beam can move relative to the lead screw to adjust the distance between the hinged beam and the movable beam so as to meet the specific requirements of different tests, the two ends of the hinged beam are equally hinged on the working platform, namely the hinged beam can rotate relative to the working platform, and the rotating shaft of the hinged beam is parallel to the working platform, therefore, the portal frame can rotate relative to the working platform, and the rotating center of the portal frame is positioned at one side of the hinged beam, therefore, the rotating center of the portal frame belongs to eccentric arrangement, the movable beam is ensured to be arranged on the working platform surface by self gravity, and two points of contact with the working platform are determined by two hinged points of the hinged beam, therefore, the movable cross beam on the other side determines a third point in contact with the working platform, and because the lower parts of the two ends of the movable cross beam are in contact with the working platform through the rollers, one of the rollers on the lower parts of the two ends of the movable cross beam is in contact with the working platform to determine the third point, while the three points can determine a plane, and the other roller is in a suspension state, so that the center height among the cross beams is ensured to be positioned on the same plane.
To sum up, the utility model provides a horizontal tensile frame test device, the both ends of articulated crossbeam articulate in work platform be the revolute pair, and the gyro wheel is vice for removing with the guide rail on the movable cross beam to form three two pairs formula planar structure, with the center height that realizes between each crossbeam be located the coplanar, parallel or the coincidence with the atress direction of guaranteeing the loading direction of sample tensile force and horizontal tensile frame test device, with the problem of avoiding the unbalance loading, thereby ensure that the value of the test force is true accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an embodiment of a horizontal tensile frame testing apparatus provided in the present invention;
fig. 2 is a partial cross-sectional view of the hinge mount and flanged shaft of fig. 1.
The device comprises a base, a guide rail, a lead screw, a movable beam, a working platform, a copper sleeve and a flange shaft, wherein the base comprises 1-a hinged base, 2-a guide rail, 3-a lead screw, 4-a hinged beam, 5-a roller, 6-a movable beam, 7-a working platform, 8-a copper sleeve and 9-a flange shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a horizontal tensile frame test device can make the atress direction parallel or coincidence rather than the place plane of itself, avoids the problem of unbalance loading to satisfy horizontal tensile test requirement.
Referring to fig. 1 to 2, fig. 1 is a schematic view of a horizontal tensile frame testing apparatus according to an embodiment of the present invention; fig. 2 is a partial cross-sectional view of the hinge mount and flanged shaft of fig. 1.
The utility model provides a horizontal tensile frame test device, including work platform 7, locate portal frame on work platform 7, portal frame includes parallel arrangement's articulated crossbeam 4 and moving beam 6, be equipped with two lead screw 3 that are parallel to each other and perpendicular to articulated crossbeam 4's rotation center between articulated crossbeam 4 and the moving beam 6, the fixed cartridge of one end of two lead screw 3 is in articulated crossbeam 4, but the other end relative movement's of two lead screw 3 connect in moving beam 6, be equipped with on moving beam 6 and be used for fixing its locking means on lead screw 3, hinge joint 4's both ends wait to articulate on work platform 7, the bottom at moving beam 6 both ends is equipped with gyro wheel 5, work platform 7 is equipped with guide rail 2 in gyro wheel 5's below along gyro wheel 5's direction of rolling.
Wherein, work platform 7 should be the level setting, portal frame locates on work platform 7, portal frame includes articulated crossbeam 4 and movable beam 6, and articulated crossbeam 4 and movable beam 6 parallel arrangement, the both ends of articulated crossbeam 4 articulate on work platform 7, articulated crossbeam 4 is rotatable to be located on work platform 7 promptly, and the articulated point at articulated crossbeam 4 both ends equals with work platform 7's distance, thereby make the pivot of articulated crossbeam 4 be on a parallel with work platform 7, be equipped with two lead screws 3 between articulated crossbeam 4 and the movable beam 6, and two lead screws 3 parallel arrangement each other, the fixed cartridge of one end of two lead screws 3 is in articulated crossbeam 4, the other end relative movement's of two lead screws 3 is connected in movable beam 6, it is concrete, two lead screws 3 that are parallel to each other intersect perpendicularly with the pivot of articulated crossbeam 4.
The movable cross beam 6 can move relative to the screw rod 3 to adjust the distance between the hinged cross beam 4 and the movable cross beam 6, the lower parts of the two ends of the movable cross beam 6 are provided with rollers 5, the rollers 5 are rotatably arranged on the movable cross beam 6, and the working platform 7 is provided with a guide rail 2 below the rollers 5 along the rolling direction of the rollers 5 so that the rollers 5 roll along the guide rail 2.
The horizontal tensile frame test device provided by the utility model, the hinged beam 4, the movable beam 6 and the lead screw 3 between the two jointly form a portal frame, the movable beam 6 is connected with the hinged beam 4 through the lead screw 3, the movable beam 6 can move relative to the lead screw 3 to adjust the distance between the hinged beam 4 and the movable beam 6 so as to meet the specific requirements of different tests, the two ends of the hinged beam 4 are hinged on the working platform 7 at equal height, namely the hinged beam 4 can rotate relative to the working platform 7, and the rotating shaft of the hinged beam 4 is parallel to the working platform 7, therefore, the portal frame can rotate relative to the working platform 7, and the rotating center of the portal frame is positioned at one side of the hinged beam 4, therefore, the rotating center of the portal frame belongs to eccentric arrangement, the movable beam 6 is ensured to be arranged on the surface of the working platform 7 by self gravity, and because two hinged points of the hinged beam 4 determine two points contacted with the working platform 7, therefore, the movable beam 6 on the other side determines a third point in contact with the working platform 7, and since the lower parts of the two ends of the movable beam 6 are in contact with the working platform 7 through the rollers 5, one of the rollers 5 on the lower parts of the two ends of the movable beam 6 is in contact with the working platform 7 to determine the third point, while the three points can determine a plane, and the other roller is in a suspension state, thereby ensuring that the center height between the beams is positioned on the same plane.
To sum up, the utility model provides a horizontal tensile frame test device, the both ends of articulated crossbeam 4 articulate in work platform 7 for the revolute pair, and gyro wheel 5 and guide rail 2 are vice for moving on movable cross beam 6 to form three two pairs formula planar structure, with the center height that realizes between each crossbeam be located the coplanar, with the loading direction of guaranteeing the sample tensile force parallel or the coincidence with horizontal tensile frame test device's atress direction, with the problem of avoiding the unbalance loading, thereby ensure that the value of the test force is true accurate.
On the basis of the above embodiment, in consideration of the specific arrangement of the articulated cross beam 4 and the movable cross beam 6, it is preferable that the two articulated cross beams 4 are rectangular parallelepiped cross beams, and the outer sides of the articulated cross beams 4 are provided with bosses for connecting the loading device. In addition, the movable beam 6 may be a rectangular parallelepiped beam. The cuboid crossbeam can be conveniently connected with a sample or a loading mechanism, and particularly, the lower end face of the cuboid crossbeam can be arranged in parallel with the working platform 7.
On the basis of any of the above embodiments, considering the specific hinge mode of the hinge beam 4 and the working platform 7, preferably, the working platform 7 is fixed with the hinge seats 1 at both ends of the hinge beam 4, both ends of the hinge beam 4 are provided with the flange shafts 9, the copper sleeves 8 are nested in the through holes of the hinge seats 1, and the flange shafts 9 are inserted in the copper sleeves 8 and can rotate relative to the copper sleeves 8. Considering that the flange shaft 9 may need to be replaced in case of long-term forced wear, it is preferable that the flange shaft 9 is detachably connected with the articulated cross member 4 by bolts. So that the flange shaft 9 can be detached and replaced in time, and the hinged seat 1 and the working platform 7 can be detachably connected through bolts in the same way. So as to facilitate replacement of the hinge base 1.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a horizontal tensile frame test device has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. A horizontal tensile frame test device is characterized by comprising a working platform (7), a portal frame arranged on the working platform (7), the portal frame comprises a hinged beam (4) and a movable beam (6) which are arranged in parallel, two lead screws (3) which are parallel to each other and are perpendicular to the rotation center of the hinged cross beam (4) are arranged between the hinged cross beam (4) and the movable cross beam (6), one end of each lead screw (3) is fixedly inserted into the hinged cross beam (4), the other end of each lead screw (3) is connected to the movable cross beam (6) in a relatively movable manner, two ends of the hinged cross beam (4) are hinged on the working platform (7) in equal height, the bottom at the two ends of the movable cross beam (6) is provided with rollers (5), and the working platform (7) is arranged below the rollers (5) and is provided with guide rails (2) along the rolling direction of the rollers (5).
2. The horizontal tensile frame test device according to claim 1, wherein the two hinged cross beams (4) are rectangular parallelepiped cross beams, and bosses for connecting a loading device are arranged on the outer sides of the hinged cross beams (4).
3. The horizontal tensile frame test apparatus of claim 2, wherein the moving beam (6) is a rectangular parallelepiped beam.
4. The horizontal tensile frame test device according to any one of claims 1 to 3, wherein the working platform (7) is fixed with a hinged seat (1) at both ends of the hinged beam (4), both ends of the hinged beam (4) are provided with flange shafts (9), a copper sleeve (8) is nested in a through hole of the hinged seat (1), and the flange shafts (9) are inserted in the copper sleeve (8) and can rotate relative to the copper sleeve (8).
5. The horizontal tensile frame test apparatus according to claim 4, wherein the flange shaft (9) is detachably connected to the articulated cross member (4) by bolts.
6. The horizontal tensile frame test apparatus according to claim 5, wherein the hinged seat (1) and the working platform (7) are detachably connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198495.4U CN211292352U (en) | 2019-12-10 | 2019-12-10 | Horizontal tensile frame test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198495.4U CN211292352U (en) | 2019-12-10 | 2019-12-10 | Horizontal tensile frame test device |
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| Publication Number | Publication Date |
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| CN211292352U true CN211292352U (en) | 2020-08-18 |
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| CN201922198495.4U Active CN211292352U (en) | 2019-12-10 | 2019-12-10 | Horizontal tensile frame test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453849A (en) * | 2020-11-11 | 2021-03-09 | 苏州施必牢精密紧固件有限公司 | Pull out of threaded rod and nut and drag automatic check out test set |
| CN114047071A (en) * | 2021-11-22 | 2022-02-15 | 中国船舶科学研究中心 | Parallel fatigue test device based on structure test platform |
-
2019
- 2019-12-10 CN CN201922198495.4U patent/CN211292352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453849A (en) * | 2020-11-11 | 2021-03-09 | 苏州施必牢精密紧固件有限公司 | Pull out of threaded rod and nut and drag automatic check out test set |
| CN114047071A (en) * | 2021-11-22 | 2022-02-15 | 中国船舶科学研究中心 | Parallel fatigue test device based on structure test platform |
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