Synchronous lifting method, equipment and assembly

Abstract

The invention relates to a synchronous lifting method, equipment and an assembly. The synchronous lifting method comprises the following steps: acquiring a synchronous displacement difference and a hanging force of each hanging point in real time during lifting; whether the synchronous displacement difference and / or the hanging force exceed / exceeds a corresponding preset threshold value or not is judged; and when the synchronous displacement difference and / or the hanging force exceeds a corresponding preset threshold value, the lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range, the equipment is used for real-time of the method, and the equipment assembly comprises the equipment. According to the synchronous lifting method, device and assembly, the height of the movable stand can be adjusted, the height of each hanging point can be controlled in time in the adjusting process, synchronization and stability of the hanging points in the lifting process are guaranteed, damage to the movable stand is avoided, and compared with manual adjustment, the overall efficiency is higher.

Description

Technical Field

[0001] The present invention relates to the technical field of movable stands, and in particular to a synchronous lifting method, equipment and assembly. Background Art

[0002] The heavy-duty movable stands in stadiums can realize the conversion between track and field mode and football mode. At present, there are two examples of heavy-duty movable stands abroad, namely the Stade de France and the Singapore National Stadium. When the modes are converted, the lifting platform in the deep pit (basement) below is used to lower the flat stand unit as a whole. The flat stand has no columns or is equipped with telescopic steel columns that are not connected to the flat stand for auxiliary load-bearing, so the problem of lifting and lowering the flat stand is easy to solve.

[0003] Xiamen Bailu Stadium is the first domestic heavy-duty removable grandstand in China, and it uses a shallow pit method that is different from that used abroad. The flat stand unit uses an assembled steel frame structure system, and the steel beams and steel columns of the flat stand are rigidly connected with bolts. When the movable stand is switched between football mode and track and field mode, the beam-column connection bolts are removed, and the lifting device is arranged using its own steel columns to lift the platform unit as a whole. How to ensure that the platform is synchronized at multiple points, stable and fast, and meet the conversion period requirements during the lifting process, puts forward the need for automatic control of the lifting process. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a synchronous lifting method, equipment and assembly, which can adjust the height of a movable stand, and timely control the height of each hanging point during the adjustment process, thereby ensuring the synchronization and stability of each hanging point during the lifting process, thereby avoiding damage to the movable stand, and relative to manual adjustment, the overall efficiency is higher.

[0005] The present invention provides a synchronous lifting method, comprising the following steps:

[0006] Real-time acquisition of synchronous displacement difference and hanging force of each hanging point during lifting;

[0007] Determining whether the synchronous displacement difference and / or the hanging force exceeds a corresponding preset threshold;

[0008] When the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold,

[0009] The lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range.

[0010] In one embodiment, the real-time acquisition of the synchronous displacement difference further includes:

[0011] Obtain the displacement value of each hanging point in real time;

[0012] Calculate the height of the horizontal plane based on the displacement value of each hanging point;

[0013] A synchronous displacement difference is obtained according to the displacement value and the height value.

[0014] In one embodiment, the real-time acquisition of the displacement value of each hanging point further includes:

[0015] Each hanging point is raised and lowered to a preset position so that each hanging point can fully bear the overall weight:

[0016] Taking the preset position as the initial elevation;

[0017] The displacement value of each hanging point is acquired in real time according to the initial elevation.

[0018] In one embodiment, adjusting the lifting speed of each hanging point according to the synchronous displacement difference of each hanging point further includes:

[0019] Determine the adjustment distance;

[0020] The lifting speed of each hanging point is adjusted according to the synchronous displacement difference, the lifting speed of each hanging point and the adjustment distance.

[0021] In one embodiment, adjusting the lifting speed of each hanging point according to the synchronous displacement difference, the lifting speed of each hanging point and the adjustment distance further includes:

[0022] Determine the lifting point where the synchronous displacement difference exceeds a preset threshold and the lifting point where the synchronous displacement difference is within a preset threshold;

[0023] The lifting point whose synchronous displacement difference is within the preset threshold range maintains the original speed unchanged;

[0024] The acceleration of the hanging point exceeding the preset threshold range is obtained according to the adjustment distance, the synchronous displacement difference exceeding the preset threshold range, and the original speed.

[0025] In one embodiment, adjusting the lifting speed of each hanging point according to the synchronous displacement difference of each hanging point further includes:

[0026] Determine the position and adjustment distance of each lifting point;

[0027] Calculating the displacement difference between the synchronous displacement differences between the lifting points according to the positions of the lifting points;

[0028] The displacement difference is compared with a corresponding difference threshold, and when the displacement difference exceeds the corresponding difference threshold,

[0029] The lifting speed of each hanging point is adjusted according to the displacement difference, the adjustment distance and the lifting speed of each hanging point.

[0030] The present invention also provides a synchronous lifting device for implementing the above-mentioned method, comprising:

[0031] A lifting component, mounted at the position of the hanging point, for lifting and lowering the position of the hanging point;

[0032] A displacement acquisition component, used for acquiring the displacement value of the hanging point in real time, and calculating the synchronous displacement difference according to the displacement value;

[0033] A hanging force acquisition component, used for acquiring the hanging force of the hanging point in real time;

[0034] The lifting control module is used to determine whether the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold value.

[0035] When the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold,

[0036] The lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range.

[0037] In one embodiment, the lifting component includes a lifting bracket and a lifting device, and the lifting device is mounted on the lifting bracket to lift and lower the position of the hanging point.

[0038] The present invention also provides a synchronous lifting device assembly, including the synchronous lifting device described above, and also including a platform and a support column, the platform can be detachably assembled on the support column, and the lifting device is assembled on the support column for lifting the platform.

[0039] The synchronous lifting method, equipment and assembly provided by the present invention can adjust the height of the movable stand, and the height of each hanging point can be controlled in time during the adjustment process, thereby ensuring the synchronization and stability of each hanging point during the lifting process, thereby avoiding damage to the movable stand, and compared with manual adjustment, the overall efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0041] Figure 1A schematic diagram of the flow chart of the synchronous lifting method provided in the first embodiment of the present invention.

[0042] Figure 2 This is a schematic diagram of the structure of the synchronous lifting device provided in Example 4 of the present invention.

[0043] Figure 3 This is a schematic structural diagram of the synchronous lifting equipment assembly provided in Embodiment 5 of the present invention.

[0044] Figure 4 This is a schematic diagram of the assembly of the platform and support columns of the synchronous lifting equipment assembly provided in Embodiment 5 of the present invention. Figure 5 This is a schematic diagram of the platform lifting of the synchronous lifting equipment assembly provided in Example 5 of the present invention, wherein Figure (a), Figure (b) and Figure (c) are schematic diagrams of the platform descending in sequence. DETAILED DESCRIPTION

[0045] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the description of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0047] The directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front”, “back”, “top”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0048] The terms "first", "second", "third" and the like are merely used to distinguish elements of similar nature, and do not indicate or imply relative importance or a particular order.

[0049] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of the elements listed and may also include additional elements not expressly listed.

[0050] Embodiment 1

[0051] See also Figure 1 The synchronous lifting method provided by the present invention comprises the following steps:

[0052] S1, real-time acquisition of synchronous displacement difference and hanging force of each hanging point during lifting.

[0053] It is understandable that this embodiment can be for a movable stand. When the platform of the movable stand is lifted vertically as a whole, the lifting speeds of the hanging points of each lifting device must be the same to meet the requirements of displacement synchronization. However, due to the different load sizes of each hanging point, equipment errors, and structural center of gravity deviations, the actual lifting speeds of the hanging points of each lifting device are different, causing the displacement of each position of the platform 4 of the movable stand to be asynchronous. During the lifting process, after the height of the slings of different lengths changes, the vertical stiffness of each hanging point will also change, which will also affect the displacement synchronization, that is, the displacement synchronization is inevitable. Because the platform lifting and lowering asynchrony accumulates to a certain extent, it may cause the lifting equipment to be overloaded, unloaded, and the overall tilt and structural stress of the platform to change. It is difficult to correct after the overall tilt accumulates too much, and the excessive stress of the platform structure may cause damage.

[0054] It is understandable that the above steps may further include:

[0055] S101, obtaining the displacement value of each hanging point in real time.

[0056] It can be understood that the determination of the displacement value of each hanging point is based on the same initial elevation, and the height of the initial elevation is zero.

[0057] It can be known that the above-mentioned method for obtaining the initial elevation may further include:

[0058] S101a, each hanging point is raised or lowered to a preset position so that each hanging point can fully bear the overall weight;

[0059] S101b, taking the preset position as the initial elevation.

[0060] It can be understood that the lifting is only a slight lifting, so that the platform is completely separated from the support column. In this case, the weight of the platform acts completely on the lifting device, and the hanging force of each hanging point is different, because the hanging force of each position of the platform is different. Therefore, at the preset position, the hanging force of each hanging point is within the corresponding preset range. The hanging force of each hanging point can be obtained by simulating the known platform independent calculation model. The lifting device's sling 201 is simulated according to the spring support. The displacement of each hanging point of the platform is measured as the forced displacement of the support. The force of each hanging point of the platform 4 is analyzed and the range of the hanging force corresponding to the sling 201 of each lifting device is obtained. The displacement observation points located at different hanging points are considered one by one, and the influence of the displacement difference of each hanging point on the structural force of the platform 4 and the influence of the lifting device on the hanging force are calculated to determine the allowable value of the displacement difference of different hanging points. Through the calculation of the independent calculation model of the platform 4, the limit value of the hanging force corresponding to the lifting point can be obtained. The reason for setting the above initial elevation is that due to the error of the support column and the installation error of the lifting equipment, as well as the different hanging forces of each crane, the initial elevation of the platform at each hanging point may not be on the same horizontal plane. Therefore, the initial elevation will be used as the displacement zero point.

[0061] S101c, obtaining the displacement value of each hanging point in real time according to the initial elevation.

[0062] It can be known that the calculation of the displacement values ​​of the above-mentioned hanging points is performed through the above-mentioned displacement zero point.

[0063] S102, calculating the height value of the horizontal plane according to the displacement value of each hanging point.

[0064] It is understandable that the displacement values ​​of each hanging point may be different, because whether the displacement value of each hanging point exceeds the preset range requires a reference, so a horizontal plane can be determined, and the horizontal plane can be obtained by the following formula:

[0065]

[0066] Where n is the number of hanging points, u i is the displacement value of each hanging point.

[0067] S103, obtaining a synchronous displacement difference according to the displacement value and the height value.

[0068] It can be understood that by calculating the difference between each displacement value and the height value, the synchronous displacement difference can be obtained. When the synchronous displacement difference is a positive value, it can be understood that the hanging point is higher than the height value. When the synchronous displacement difference is a negative value, it can be understood that the hanging point is lower than the height value.

[0069] S2: determining whether the synchronous displacement difference and / or the hanging force exceeds a corresponding preset threshold.

[0070] It can be understood that the above-mentioned determination of whether the synchronization shift difference exceeds the corresponding threshold value may be performed by comparing the absolute value of the synchronization shift difference with the corresponding preset threshold value.

[0071] The above-mentioned situations of exceeding the threshold include the following types:

[0072] 1. The absolute value of the synchronous displacement difference of the hanging point exceeds the corresponding preset threshold, and the hanging force of the hanging point does not exceed the corresponding preset threshold. It can be understood that the absolute value of the synchronous displacement difference exceeds the corresponding preset threshold. The preset threshold can be the average value of all synchronous displacement differences. Any value greater than the average value exceeds the corresponding preset threshold.

[0073] 2. The absolute value of the synchronous displacement difference of the hanging point does not exceed the corresponding preset threshold value, and the hanging force of the hanging point exceeds the corresponding preset threshold value. It can be known that when the hanging force of the hanging point exceeds the preset threshold value, there is a situation where the synchronous displacement difference does not exceed the corresponding preset threshold value. The load limit of the hanging force of the hanging point may be 200kN, the design load capacity of the lifting equipment is 250kN, and the preset threshold value may be 240kN. If it exceeds 240kN, it is considered to exceed the preset threshold value.

[0074] 3. The absolute value of the synchronous displacement difference of the hanging point exceeds the corresponding preset threshold value, and the hanging force of the hanging point exceeds the corresponding preset threshold value;

[0075] 4. The absolute value of the synchronous displacement difference of the hanging point does not exceed the corresponding preset threshold value, and the hanging force of the hanging point does not exceed the corresponding preset threshold value.

[0076] In the first three cases, the lifting speed of each hanging point needs to be adjusted. In the fourth case, the lifting speed of each hanging point does not need to be adjusted.

[0077] S3, when the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold value.

[0078] It can be understood that the situations exceeding the preset threshold include the first three mentioned above.

[0079] S4, adjusting the lifting speed of each hanging point according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range.

[0080] It is understandable that the hanging force and the synchronous displacement difference of each hanging point are mostly positively correlated, but there are also problems where they are not positively correlated. However, the reason why each hanging force exceeds the preset threshold is that the synchronous displacement difference is large. Of course, a large difference does not necessarily exceed the preset threshold. In any case, in the first three cases mentioned above, the synchronous displacement difference is adjusted to the corresponding preset range (i.e., 200kN) by adjusting the lifting speed. This range is smaller than the threshold range and is within the threshold range.

[0081] It is understandable that the above steps may further include:

[0082] S401, determining an adjustment distance.

[0083] It can be understood that the adjustment distance means that after the suspension point that exceeds the threshold range is moved by the distance, its synchronous displacement difference will be within the threshold range.

[0084] S402, adjusting the lifting speed of each hanging point according to the synchronous displacement difference, the lifting speed of each hanging point and the adjustment distance.

[0085] It can be known that the above step S402 can be further:

[0086] S402a, determining the lifting points whose synchronous displacement difference exceeds a preset threshold and the lifting points whose synchronous displacement difference is within a preset threshold;

[0087] S402b, the lifting point whose synchronous displacement difference is within the preset threshold range maintains the original speed unchanged.

[0088] It can be understood that when the synchronous displacement difference is within the preset threshold range, the original operation mode remains unchanged, and the operating speed of each lifting point is known.

[0089] S402c, obtaining the acceleration of the hanging point exceeding the preset threshold range according to the adjustment distance, the synchronous displacement difference exceeding the preset threshold range, and the original speed.

[0090] It can be understood that the difference between the synchronous displacement difference and the preset threshold is calculated, and the adjustment distance is greater than the preset threshold. The calculation formula of the acceleration is:

[0091]

[0092] s-v0t=s0

[0093] Wherein, s is the adjustment distance, a is the acceleration of the hanging point that exceeds the preset threshold range, v is the original speed of the hanging point that exceeds the preset threshold range, t is the movement time of the hanging point that exceeds the preset threshold range in the adjustment distance, v0 is the original speed of the hanging point that does not exceed the preset threshold range, and s0 is the difference between the synchronous displacement difference and the preset threshold difference.

[0094] When the synchronous displacement difference of the hanging point that exceeds the preset threshold range is within the preset threshold range, the hanging point can resume the original speed for movement.

[0095] Embodiment 2

[0096] This embodiment also provides a synchronous lifting method, which is different from the first embodiment in that:

[0097] The adjustment methods for adjusting the lifting speed of each hanging point according to the synchronous displacement difference of each hanging point are different. The adjustment method of this embodiment may further include:

[0098] Determine the position of each lifting point and the adjustment distance.

[0099] It can be understood that the position of the lifting point can be divided into a middle area and a corner area, and the division of the middle area and the corner area can be determined based on the position on the platform.

[0100] The displacement difference between the synchronous displacement differences between the lifting points is calculated according to the positions of the lifting points.

[0101] It is understandable that when the synchronous displacement difference between two hanging points located at the same support column position does not exceed 5mm, the lifting equipment may be unloaded; when the displacement difference of the middle steel column at adjacent points located on different steel columns exceeds 10mm, the hanging force of the lifting equipment may exceed the limit; the synchronous displacement difference of the hanging points in the corner area relative to the synchronous displacement difference of other steel columns in the middle area reaches 40mm, which will cause the hanging force to exceed the limit.

[0102] The displacement difference is compared with the corresponding difference threshold. If the displacement difference exceeds the corresponding difference threshold,

[0103] It is understandable that the difference threshold may refer to the above parameters, or may be smaller than the above parameters.

[0104] The lifting speed of each hanging point is adjusted according to the displacement difference, the adjustment distance and the lifting speed of each hanging point.

[0105] Embodiment 3

[0106] This embodiment further provides a synchronous lifting method, in which the lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, and the method of the first embodiment and the second embodiment is combined together.

[0107] Embodiment 4

[0108] See also Figure 2 This embodiment provides a synchronous lifting device for implementing the above method, including:

[0109] A lifting member 2 is installed at the position of the hanging point and is used to lift the hanging point;

[0110] The displacement acquisition component 5 is used to acquire the displacement value of the hanging point in real time and calculate the synchronous displacement difference according to the displacement value.

[0111] It can be understood that the displacement acquisition component 5 can be a wire sensor.

[0112] A hanging force acquisition component 6, used for acquiring the hanging force of the hanging point in real time;

[0113] The lifting control module 7 is used to determine whether the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold value.

[0114] When the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold,

[0115] The lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range.

[0116] Please refer to 3. In some embodiments, the lifting component 2 includes a lifting bracket 202 and a lifting device 201. The lifting device 201 is assembled on the lifting bracket 202 and is used to lift the hanging point position.

[0117] It is understandable that the lifting device 201 can be an integrated structure with the lifting bracket 202, and the lifting bracket 202 can be assembled on the support column 3 of the movable stand. Two lifting components 2 can be symmetrically assembled on each support column 3. The layout of the lifting components 2 can be evenly arranged. The lifting components 2 are connected to the platform 4 through hanging ropes. The hanging force acquisition component can be assembled on the hanging ropes. It is required that all lifting components 2 can control and adjust the lifting speed individually. The maximum hanging force should be obtained according to the structural finite element analysis of the overall calculation model composed of the support column, lifting bracket, hanging rope, and platform. Each support of the calculation model can use an elastic support, and its stiffness should be determined by analysis. It is necessary to calculate the situation of the platform at different heights during the entire lifting process, consider the dynamic coefficient, and consider the most unfavorable situation of the asynchronous deviation to determine the bearing capacity of the lifting equipment. During the lifting process, the actual hanging force is measured to control not to overload, and the machine will stop if it exceeds the limit. It is necessary to select the lifting component model, including the bearing capacity, maximum stroke, weight, etc. of the component model. And select the specifications of the flexible hanging rope, including elastic modulus E, cross-sectional area, maximum length, minimum length and bearing capacity.

[0118] Embodiment 5

[0119] See 4 and Figure 5The present embodiment provides a synchronous lifting device assembly, including the above-mentioned synchronous lifting device, and also includes a platform 4 and a support column 3. The platform 4 can be detachably assembled on the support column 3, and the lifting device 201 is assembled on the support column 3 for lifting the platform 4.

[0120] It can be known that when the support column 3 is assembled at the ground position, it can be rigidly connected to the steel column foot 8 embedded in the ground through a flange, a steel beam can be set on the platform 4, and the support column 3 is connected to the steel beam on the platform 4 through high-strength bolts. Corresponding mounting holes can be set on the platform 4, and the support column 3 can pass through the mounting holes. The lifting equipment 201 is assembled on the support column 3, and the lifting equipment 201 can pass through the mounting hole, and the lifting component 2 can be connected to the hanging ring on the platform 4 through a hanging rope.

[0121] From the above description, it can be known that the synchronous lifting method, equipment and assembly provided by the present invention can adjust the height of the movable stand, and the height of each hanging point can be controlled in time during the adjustment process, thereby ensuring the synchronization and stability of each hanging point during the lifting process, thereby avoiding damage to the movable stand, and relative to manual adjustment, the overall efficiency is higher.

[0122] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A synchronous lifting method, characterized in that: The steps include: Real-time acquisition of synchronous displacement difference and hanging force of each hanging point during lifting; Determining whether the synchronous displacement difference and / or the hanging force exceeds a corresponding preset threshold; When the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold, The lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range.

2. The synchronous lifting method according to claim 1, characterized in that: The real-time acquisition of the synchronous displacement difference further includes: Obtain the displacement value of each hanging point in real time; Calculate the height of the horizontal plane based on the displacement value of each hanging point; A synchronous displacement difference is obtained according to the displacement value and the height value.

3. The synchronous lifting method according to claim 2, characterized in that: The real-time acquisition of the displacement value of each hanging point further includes: Each hanging point is raised and lowered to a preset position so that each hanging point can fully bear the overall weight: Taking the preset position as the initial elevation; The displacement value of each hanging point is acquired in real time according to the initial elevation.

4. The synchronous lifting method according to claim 2, characterized in that: The adjusting the lifting speed of each hanging point according to the synchronous displacement difference of each hanging point further includes: Determine the adjustment distance; The lifting speed of each hanging point is adjusted according to the synchronous displacement difference, the lifting speed of each hanging point and the adjustment distance.

5. The synchronous lifting method according to claim 4, characterized in that: The adjusting the lifting speed of each hanging point according to the synchronous displacement difference, the lifting speed of each hanging point and the adjustment distance further includes: Determine the lifting point where the synchronous displacement difference exceeds a preset threshold and the lifting point where the synchronous displacement difference is within a preset threshold; The lifting point whose synchronous displacement difference is within the preset threshold range maintains the original speed unchanged; The acceleration of the hanging point exceeding the preset threshold range is obtained according to the adjustment distance, the synchronous displacement difference exceeding the preset threshold range, and the original speed.

6. The synchronous lifting method according to claim 2 or 5, characterized in that: Adjusting the lifting speed of each hanging point according to the synchronous displacement difference of each hanging point further includes: Determine the position and adjustment distance of each lifting point; Calculating the displacement difference between the synchronous displacement differences between the lifting points according to the positions of the lifting points; The displacement difference is compared with a corresponding difference threshold, and when the displacement difference exceeds the corresponding difference threshold, The lifting speed of each hanging point is adjusted according to the displacement difference, the adjustment distance and the lifting speed of each hanging point.

7. A synchronous lifting device, characterized in that: The method for implementing any one of claims 1 to 6 comprises: A lifting component, mounted at the position of the hanging point, for lifting and lowering the position of the hanging point; A displacement acquisition component, used for acquiring the displacement value of the hanging point in real time, and calculating the synchronous displacement difference according to the displacement value; A hanging force acquisition component, used for acquiring the hanging force of the hanging point in real time; The lifting control module is used to determine whether the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold value. When the synchronous displacement difference and / or the hanging force exceeds the corresponding preset threshold, The lifting speed of each hanging point is adjusted according to the synchronous displacement difference of each hanging point, so that the synchronous displacement difference of each hanging point is within a preset range.

8. The synchronous lifting device according to claim 7, characterized in that: The lifting component includes a lifting bracket and a lifting device. The lifting device is assembled on the lifting bracket and is used to lift the position of the hanging point.

9. A synchronous lifting equipment assembly, characterized in that: The synchronous lifting device comprises any one of claims 7 to 8, further comprising a platform and a support column, wherein the platform is detachably mounted on the support column, and the lifting device is mounted on the support column for lifting and lowering the platform.

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