CN217211346U - Wind load simulation device for stability test of lifting platform - Google Patents
Wind load simulation device for stability test of lifting platform Download PDFInfo
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- CN217211346U CN217211346U CN202220969266.7U CN202220969266U CN217211346U CN 217211346 U CN217211346 U CN 217211346U CN 202220969266 U CN202220969266 U CN 202220969266U CN 217211346 U CN217211346 U CN 217211346U
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Abstract
The utility model relates to a wind load simulator for lifting platform stability test, which belongs to the technical field of lifting platform safety detection, and comprises a supporting frame, a beam and a fixed pulley, wherein the fixed pulley is arranged on the beam, the supporting frame is provided with a lifting mechanism, the beam is arranged on the supporting frame through the lifting mechanism, the beam which can vertically lift is arranged on the supporting frame, when in use, the height of the beam is adjusted to be flush with a tested platform, a rope is enabled to bypass the fixed pulley, one end of the rope is ensured to be horizontally connected with the tested platform, the other end of the rope is vertically connected with a wind power simulation load block, so that the tested platform is subjected to horizontal tension of simulation wind load, the operation process is simple and convenient, the occupied area is small, time and labor are saved, the rope can be ensured to be horizontally pulled to be tested, and thereby wind load test conditions meeting the standard are created, the accuracy of the test result is ensured.
Description
Technical Field
The utility model belongs to the technical field of lift platform safety inspection, in particular to lift platform stability test wind carries analogue means.
Background
According to GB40160-2021 safety rules of lifting working platforms, the stability test aiming at the safety of the whole mobile lifting working platform requires that horizontal force is applied to the whole machine in the horizontal direction to simulate the influence of wind on the mobile lifting working platform. Through a large amount of investigations and researches findings, the current method adopts that another high-altitude machine is added, a fixed pulley is additionally arranged on a guardrail of the high-altitude machine, a rope is respectively connected with a tested platform and a wind power simulation load-carrying block through the additionally arranged fixed pulley, and then the whole course of one crane is required to perform anti-tipping safety protection on the tested equipment. The disadvantages of this approach are numerous, firstly, a high-lift cooperating machine and a crane, both of which are qualified in stability and bearing capacity, need to be added. The second and third machines occupy wide area. Third, moving the machine and manually threading the wire rope and adjusting the weights wastes time during the implementation. Fourthly, the steel wire rope cannot be guaranteed to be horizontal, the accuracy degree is not controllable, and even the test safety is influenced.
Therefore, a wind load simulation device for a stability test of a lifting platform, which has the advantages of small occupied area, convenience in operation and accuracy in control, is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lift platform stability test wind carries analogue means for solve among the prior art technical problem that lift platform stability test equipment takes up an area of the scope big, the operation is inconvenient, can not accurately apply horizontal effort.
The utility model discloses a following technical scheme realizes: the utility model provides a lift platform stability test wind carries analogue means, includes support frame, crossbeam and fixed pulley, the fixed pulley is installed on the crossbeam, the support frame is equipped with elevating system, the crossbeam passes through elevating system to be installed on the support frame.
Further, in order to better realize the utility model discloses, the crossbeam is the cross setting with the support frame.
Further, in order to better realize the utility model discloses, elevating system is by motor drive's electric lift mechanism.
Further, in order to better realize the utility model discloses, the crossbeam is equipped with translation mechanism, be equipped with the mount in the translation mechanism, the fixed pulley is installed on the mount.
Further, in order to better realize the utility model discloses, translation mechanism includes two guiding axles, two the parallel and horizontal installation of guiding axle is in on the crossbeam, be equipped with linear bearing on the guiding axle, the mount is fixed linear bearing is last.
Further, in order to realize better the utility model discloses, still include the connecting rod, the one end and the mount of connecting rod are articulated, the fixed pulley rotates the other end of connecting at the connecting rod through the round pin axle.
Further, in order to better realize the utility model discloses, still include angle sensor, angle sensor installs on the connecting rod.
Further, in order to better realize the utility model discloses, still include main control unit, elevating system, translation mechanism and angle sensor all with main control unit electricity is connected.
The utility model discloses compare in prior art and have following beneficial effect:
the wind load simulator for the stability test of the lifting platform provided by the utility model comprises a supporting frame, a beam and a fixed pulley, wherein the fixed pulley is arranged on the beam, the supporting frame is provided with a lifting mechanism, the beam is arranged on the supporting frame through the lifting mechanism, the structure is adopted, by arranging the vertically lifting cross beam on the support frame, the height of the cross beam is adjusted to be flush with the measured platform when in use, the rope is enabled to pass around the fixed pulley, one end of the rope is ensured to be horizontally connected with the measured platform, the other end of the rope is vertically connected with the wind power simulation weight loading block, thereby leading the tested platform to be subjected to the horizontal tension of the simulated wind load, having simple and convenient operation process, small occupied area, time saving and labor saving, ensuring that the rope keeps horizontally drawing the tested platform, thereby create the wind load test condition that accords with the standard, ensured the accuracy of test result, make the utility model discloses a practicality is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a wind load simulator for a stability test of a lifting platform of the present invention;
fig. 2 is a side view of the wind load simulator for the stability test of the lifting platform of the present invention.
In the figure:
1-a support frame; 2-a cross beam; 3-fixed pulley; 4-a lifting mechanism; 5-a translation mechanism; 51-a guide shaft; 52-linear bearings; 6, fixing a frame; 7-a connecting rod; 8-an angle sensor; 9-a platform to be tested; 10-wind power simulation load weight block; 11-a rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Example 1:
in this embodiment, as shown in fig. 1 and 2, the wind load simulation apparatus for a stability test of a lifting platform comprises a support frame 1, a cross beam 2 and a fixed pulley 3, wherein the support frame 1 is vertically fixed on the ground, the fixed pulley 3 is installed on the cross beam 2, the fixed pulley 3 is used for connecting a rope 11, two ends of the rope 11 are respectively connected with a platform 9 to be tested and a wind force simulation weight block 10, the support frame 1 is provided with a lifting mechanism 4, and the cross beam 2 is installed on the support frame 1 through the lifting mechanism 4.
Adopt this structure, but through the above-mentioned crossbeam 2 of installation vertical lift on above-mentioned support frame 1, with above-mentioned crossbeam 2 altitude mixture control to the position that flushes with being surveyed platform 9 during the use, make rope 11 walk around above-mentioned fixed pulley 3, guarantee that 11 one end horizontally connect of rope is surveyed platform 9, rope 11 other end is connected wind-force simulation load weight 10 perpendicularly, thereby make and be surveyed platform 9 and receive the horizontal pulling force of simulation wind-load, operation process is simple and convenient, area is little, it is not hard to save time, can ensure that rope 11 keeps horizontal tractive to be surveyed platform 9, thereby produce the wind-load test condition that accords with the standard, the accuracy of test result has been ensured, make the utility model discloses a practicality is stronger.
In this embodiment, as shown in fig. 1, the cross beam 2 and the supporting frame 1 are arranged in a cross manner, and the fixed pulley 3 can be installed at each position of the cross beam 2 along the length direction, so as to ensure that the fixed pulley 3 is also vertically aligned with the platform 9 to be measured on the horizontal plane, and the end of the rope 11 connected with the platform 9 to be measured is kept horizontal and vertical to the platform 9 to be measured, thereby achieving the effect of simulating the vertical action of the horizontal wind load on the platform 9 to be measured.
In this embodiment, the lifting mechanism 4 is an electric lifting mechanism 4 driven by a motor, and specifically can be a screw nut transmission mechanism, an electric telescopic rod or a gear chain transmission mechanism in the prior art, which can all realize a lifting function, so as to drive the beam 2 to lift, so that the beam 2 horizontally aligns to the platform 9 to be measured.
As a preferred embodiment of the present invention, as shown in fig. 1, the cross beam 2 is provided with a translation mechanism 5, the translation mechanism 5 is provided with a fixed frame 6, the fixed pulley 3 is mounted on the fixed frame 6, the position of the platform 9 to be measured is not fixed during each test, the translation mechanism 5 can translate transversely along the cross beam 2 to drive the fixed frame 6 to move synchronously, thereby changing the transverse position of the fixed pulley 3, so that the fixed pulley 3 can be horizontally and vertically aligned with the platform 9 to be measured, and the rope 11 is ensured that one end of the platform 9 to be measured connected with the rope 11 is kept horizontally and vertically with the platform 9 to be measured, so as to achieve the effect of simulating the vertical action of the horizontal wind load on the platform 9 to be measured, and the position of the platform 9 to be measured does not need to be moved any more.
In this embodiment, the translation mechanism 5 includes two guide shafts 51, the two guide shafts 51 are parallel and transversely installed on the cross beam 2, the guide shafts 51 are provided with linear bearings 52, the fixing frame 6 is fixed on the linear bearings 52, when the rope 11 is connected to the platform 9 to be measured while being inclined on a horizontal plane, a component force of the rope 11 along the direction of the guide shafts 51 can automatically pull the fixing frame 6 to translate until the component force along the direction of the guide shafts 51 approaches zero, and at this time, the rope 11 is vertically connected to the platform 9 to be measured, so that the fixed pulley 3 is horizontally and vertically aligned with the platform 9 to be measured.
Further, as shown in fig. 1 and 2, the wind power simulation test device further comprises a connecting rod 7, one end of the connecting rod 7 is hinged to the fixed frame 6, so that the connecting rod 7 can rotate in the vertical direction under the action of an external force of a rope 11, the fixed pulley 3 is rotatably connected to the other end of the connecting rod 7 through a pin shaft, during a test, when the rope 11 passes around the fixed pulley 3 and both ends of the rope 11 are respectively connected with the measured platform 9 and the wind power simulation weight block 10, if one end of the rope 11 connected with the measured platform 9 is in a horizontal state and one end of the rope connected with the wind power simulation weight block 10 is in a vertical state, an included angle between both ends of the rope 11 is 90 degrees, an angle of the connecting rod 7 is the same as a resultant force direction of component forces at both ends of the rope 11, an angle of the connecting rod 7 to a horizontal plane is 45 degrees, and if an angle of the connecting rod 7 to the horizontal plane is smaller than 45 degrees, it is indicated that a position where the rope 11 is connected with the measured platform 9 is higher than the fixed pulley 3, the rope 11 is not horizontal, the cross beam 2 is moved upwards to be horizontally aligned through the lifting mechanism 4, if the angle between the connecting rod 7 and the horizontal plane is more than 45 degrees, the connecting position of the rope 11 and the measured platform 9 is lower than the fixed pulley 3, the rope 11 is not horizontal, and the cross beam 2 is moved downwards to be horizontally aligned through the lifting mechanism 4.
As optimizing, still include angle sensor 8, above-mentioned angle sensor 8 installs on above-mentioned connecting rod 7, and above-mentioned angle sensor 8 can automated inspection above-mentioned connecting rod 7 and the contained angle between the horizontal plane.
Further, the wind load test device further comprises a main controller, the lifting mechanism 4, the translation mechanism 5 and the angle sensor 8 are electrically connected with the main controller, the angle sensor 8 transmits angle data to the main controller, the main controller automatically adjusts the position of the lifting mechanism 4 according to the angle data, one end, connected with the tested platform 9, of the rope 11 is kept horizontal, and wind load test conditions are in accordance with the standard.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a lift platform stability test wind carries analogue means which characterized in that: the fixed pulley is arranged on the beam, the support frame is provided with a lifting mechanism, and the beam is arranged on the support frame through the lifting mechanism.
2. The wind load simulation device for the stability test of the lifting platform according to claim 1, wherein: the cross beam and the support frame are arranged in a cross manner.
3. The wind load simulation device for the stability test of the lifting platform according to claim 2, wherein: the lifting mechanism is an electric lifting mechanism driven by a motor.
4. The wind load simulation device for the stability test of the lifting platform according to claim 3, wherein: the crossbeam is equipped with translation mechanism, be equipped with the mount on the translation mechanism, the fixed pulley is installed on the mount.
5. The wind load simulation device for the stability test of the lifting platform according to claim 4, wherein: the translation mechanism comprises two guide shafts, the two guide shafts are parallel and transversely installed on the cross beam, linear bearings are arranged on the guide shafts, and the fixing frame is fixed on the linear bearings.
6. The wind load simulation device for the stability test of the lifting platform according to claim 5, wherein: the fixed pulley is rotatably connected to the other end of the connecting rod through a pin shaft.
7. The wind load simulation device for the stability test of the lifting platform according to claim 6, wherein: still include angle sensor, angle sensor installs on the connecting rod.
8. The wind load simulation device for the stability test of the lifting platform according to any one of claims 1 to 7, wherein: still include main control unit, elevating system, translation mechanism and angle sensor all with main control unit electricity is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220969266.7U CN217211346U (en) | 2022-04-25 | 2022-04-25 | Wind load simulation device for stability test of lifting platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220969266.7U CN217211346U (en) | 2022-04-25 | 2022-04-25 | Wind load simulation device for stability test of lifting platform |
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| CN217211346U true CN217211346U (en) | 2022-08-16 |
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| CN202220969266.7U Active CN217211346U (en) | 2022-04-25 | 2022-04-25 | Wind load simulation device for stability test of lifting platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735177A (en) * | 2023-06-19 | 2023-09-12 | 江苏零界科技集团有限公司 | Assembled ancient building bearing structure stability detection device |
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2022
- 2022-04-25 CN CN202220969266.7U patent/CN217211346U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735177A (en) * | 2023-06-19 | 2023-09-12 | 江苏零界科技集团有限公司 | Assembled ancient building bearing structure stability detection device |
| CN116735177B (en) * | 2023-06-19 | 2024-04-09 | 江苏零界科技集团有限公司 | Assembled ancient building bearing structure stability detection device |
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