A deformable safety canopy for mobile construction

By introducing a deformable structure consisting of a support frame, movable arm, top plate, electric push rod, and weight sensor into the construction safety protection shed, the extension of the electric push rod and the angle of the top plate are adjusted in real time according to the weight of the falling object. This solves the problem of existing protective sheds being damaged when the weight is large, and extends the service life and improves safety.

CN120159203BActive Publication Date: 2026-03-27THE GUANGDONG NO 3 WATER CONSERVANCY & HYDRO ELECTRIC ENG BOARD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing construction safety sheds cannot be adaptively adjusted according to the weight of falling objects, which may lead to damage when the weight is large, and shorten their service life.

Method used

The device employs a deformable structure consisting of a support frame, movable arm, top plate, electric push rod, and weight sensor. The controller adjusts the extension of the electric push rod and the angle of the bending part of the top plate based on the weight sensor data, thereby achieving adaptive adjustment to the weight of falling objects.

Benefits of technology

This extends the service life of the protective canopy and ensures that it continues to provide effective safety protection under different weight conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of building construction, in particular to a deformable safety protection shed for mobile construction; the deformable safety protection shed comprises support frames, first movable arms, second movable arms, top plates, electric push rods and controllers, two support frames are arranged, two electric push rods are arranged between the two support frames, two first movable arms are hingedly connected to the upper ends of each electric push rod, two second movable arms are hingedly connected to the lower ends of each electric push rod, one end of the first movable arm away from the electric push rod and one end of the second movable arm away from the electric push rod are hingedly connected to the support frame; one top plate is hingedly connected to the upper end of each support frame, and the other ends of the two top plates are hingedly connected to each other; a plurality of first weight sensors are arranged on the outer upper wall of the top plate, the controller judges the extension amount of the electric push rod according to the first weight value detected by the first weight sensors; the service life is prolonged through adaptive adjustment according to the weight of falling objects.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, and in particular to a deformable safety shelter for mobile construction. BACKGROUND

[0002] The shelter is a kind of shelter applied to shield equipment, facilities, tools, vehicles, etc., with functions of waterproofing, dustproofing, sun protection, etc. The shelter can be applied to various scenes in practical application, for example, in the construction site of building engineering, the shelter is used to shield dust, prevent equipment damage and protect workers' safety; in open-air blasting operation, a mobile safety shelter is designed, which can prevent flying stones and shock waves generated during blasting operation from causing harm to construction personnel, and provide a safe shelter and observation window; in reservoir risk removal and reinforcement engineering, in order to save the construction period, when pouring concrete panels on the dam surface, curtain grouting construction needs to be carried out at the dam foundation at the same time, in order to prevent the risk of falling objects from above, a mobile safety shelter needs to be used.

[0003] The prior art CN109457988A discloses a construction safety shelter, which comprises a reinforced concrete girder, a distribution beam and a steel plate; the shelter frame foundation adopts the artificial excavation pile foundation, and the top of the artificial excavation pile foundation is connected with the reinforced concrete girder, and the top surface of the reinforced concrete girder is embedded with anchor bolts; the distribution beam made of I12a H-shaped steel is welded on the top structure of the shelter, and the distribution beam and the longitudinal beam of the Bailey beam are connected by U-shaped bolts and U-shaped clamps.

[0004] However, the existing construction safety shelter cannot be adaptively adjusted according to the weight of the falling object, and when the weight of the falling object is large, the shelter may be damaged, resulting in a shortened service life.

[0005] Therefore, it is urgent to provide a deformable safety shelter for mobile construction, which can be adaptively adjusted according to the weight of the falling object and prolong the service life compared with the prior art. SUMMARY

[0006] The present application solves the technical problems existing in the prior art, and provides a deformable safety shelter for mobile construction.

[0007] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0008] The application discloses a deformable safety protection shed for mobile construction, which comprises support frames, first movable arms, second movable arms, top plates, electric push rods and a controller, the support frames are provided with two, two electric push rods are arranged between the two support frames, two first movable arms are hinged to the upper end of each electric push rod, two second movable arms are hinged to the lower end of each electric push rod, and the end of the first movable arm away from the electric push rod and the end of the second movable arm away from the electric push rod are hinged to the support frame; one top plate is hinged to the upper end of each support frame, and the other ends of the two top plates are hinged to each other.

[0009] The outer upper wall of the top plate is provided with a first sampling area, a second sampling area, a third sampling area and a fourth sampling area, the first sampling area, the second sampling area, the third sampling area and the fourth sampling area are provided with a plurality of first weight sensors, the first weight value collected by the first weight sensor in the first sampling area is set as the first sampling area weight value, the first weight value collected by the first weight sensor in the second sampling area is set as the second sampling area weight value, the first weight value collected by the first weight sensor in the third sampling area is set as the third sampling area weight value, and the first weight value collected by the first weight sensor in the fourth sampling area is set as the fourth sampling area weight value; the controller adjusts the extension amount of the electric push rod corresponding to the first sampling area and the second sampling area according to the first sampling area weight value and the second sampling area weight value; and the controller adjusts the extension amount of the electric push rod corresponding to the third sampling area and the fourth sampling area according to the third sampling area weight value and the fourth sampling area weight value.

[0010] Further, the specific method that the controller adjusts the extension amount of the electric push rod corresponding to the first sampling area and the second sampling area according to the first sampling area weight value and the second sampling area weight value is as follows: the total weight borne by the first sampling area and the second sampling area within a set time is calculated and recorded as a first total weight, a first weight determination value and a second weight determination value are set, the first weight determination value is smaller than the second weight determination value, the first total weight is compared with the first weight determination value and the second weight determination value, and the adjustment of the extension amount of the corresponding electric push rod is determined, and the specific method is as follows:

[0011] When G1 is less than P1, the extension amount of the corresponding electric push rod is not adjusted;

[0012] When P1 is less than or equal to G1 and G1 is less than P2, the corresponding electric push rod is adjusted to extend by a first length;

[0013] When P2 is less than or equal to G1, the corresponding electric push rod is adjusted to extend by a second length;

[0014] In the above formula, the first length is smaller than the second length, G1 represents the first total weight, P1 represents the first weight determination value, and P2 represents the second weight determination value.

[0015] Further, the first total weight is calculated according to the following formula:

[0016]

[0017] In the above formula, G1 represents the first total weight, ω1 represents the first weight value, g 1i represents the i-th first sampling area weight value, i is 1-I, ω2 represents the second weight value, g 2j represents the j-th second sampling area weight value, j is 1-J; μ1 represents the mean of all first sampling area weight values, and μ2 represents the mean of all second sampling area weight values.

[0018] Further, the first weight judgment value, the second weight judgment value, the first length, and the second length are calculated according to the following formula:

[0019]

[0020] P2 = σ × A;

[0021]

[0022] In the above formula, σ represents the compressive strength of the roof, A represents the upper surface area of the roof, P 10 represents the existing extension amount of the electric push rod corresponding to the first sampling area and the second sampling area.

[0023] Further, the specific method for adjusting the extension amount of the electric push rod corresponding to the third sampling area and the fourth sampling area according to the third sampling area weight value and the fourth sampling area weight value is as follows: calculating the total weight of the third sampling area and the fourth sampling area within a set time, denoted as a second total weight, setting a third weight judgment value and a fourth weight judgment value, the third weight judgment value being less than the fourth weight judgment value, comparing the second total weight with the third weight judgment value and the fourth weight judgment value to determine the adjustment of the extension amount of the corresponding electric push rod, specifically:

[0024] When G2 < P3, the extension amount of the corresponding electric push rod is not adjusted;

[0025] When P3 ≤ G2 < P4, the corresponding electric push rod is adjusted to extend by a third length;

[0026] When P4 ≤ G2, the corresponding electric push rod is adjusted to extend by a fourth length;

[0027] In the above formula, the third length is less than the fourth length, G2 represents the second total weight, P3 represents the third weight judgment value, and P4 represents the fourth weight judgment value.

[0028] Further, the second total weight is calculated according to the following formula:

[0029] Further, the second total weight is calculated according to the following formula:

[0030]

[0031] In the above formula, G2 represents the second total weight, ω3 represents the third weight value, g 3h represents the hth third sampling area weight value, h takes 1-H, ω4 represents the fourth weight value, g 4d represents the dth fourth sampling area weight value, d takes 1-D, μ3 represents the mean of all third sampling area weight values, and μ4 represents the mean of all fourth sampling area weight values.

[0032] Further, the third weight judgment value, the fourth weight judgment value, the third length, and the fourth length are calculated by the following formula:

[0033]

[0034] P4 = P2 = σ × A;

[0035]

[0036] In the above formula, σ represents the compressive strength of the top plate, A represents the upper surface area of the top plate, P 20 represents the existing extension amount of the electric push rod corresponding to the third sampling area and the fourth sampling area.

[0037] Further, one end of the top plate away from another top plate is provided with a bending part, the upper wall of the bending part is provided with a plurality of sampling groups, each sampling group is provided with a plurality of sampling points, and a second weight sensor is arranged at each sampling point. The second weight value detected by the second weight sensor arranged on one of the bending parts is set as a first bending weight value, and the second weight value detected by the second weight sensor arranged on the other bending part is set as a second bending weight value. The controller judges whether the included angle between the corresponding bending part and the top plate is adjusted according to the first bending weight value, and the controller judges whether the included angle between the corresponding bending part and the top plate is adjusted according to the second bending weight value. Specifically,

[0038] All the first bending weight values are sorted from small to large, and the first N first bending weight values are screened out. The screened first bending weight values are classified according to different sampling groups. It is assumed that there are n sampling groups in each bending part, and the number of the screened first bending weight values corresponding to each sampling group is n 11 ,..., n 1n ;

[0039] All the second bending weight values are sorted from small to large, and the first N second bending weight values are screened out. The screened second bending weight values are classified according to different sampling groups, and the number of the screened second bending weight values corresponding to each sampling group is n21 ... n 2n ;

[0040] respectively n 1n With N, n 2n Compared with N, it determines whether the included angle between the two bends and the steel plate they are connected to should be adjusted.

[0041] Furthermore, n 1n With N, n 2n The specific method for determining whether to adjust the included angle between the two bends relative to the steel plate they are connected to, by comparing with N, is as follows:

[0042] when At that time, the angle between the bent part corresponding to the first bending weight value and the steel plate it is connected to is not adjusted;

[0043] when When the first bending weight value is reached, the angle between the bent portion and the steel plate it is connected to is increased by a first angle; the first angle is calculated according to the following formula:

[0044]

[0045] In the above formula, α1 represents the first angle, α 10 The initial angle (g) of the bent portion relative to the steel plate to which it is connected, corresponding to the first bending weight value. y1 This represents the weight value of the first bend of the y1th term, where y1 ranges from 1 to N, and g. y2 This represents the weight value of the first bend at the y2th time, where y2 takes values ​​from 1 to n. 1n ;

[0046] when At that time, the angle between the bent part corresponding to the second bending weight value and the steel plate it is connected to is not adjusted;

[0047] when When the second bending weight value is applied, the angle between the bent portion and the steel plate it is connected to is increased by a second angle; the second angle is calculated according to the following formula:

[0048]

[0049] In the above formula, α2 represents the second angle, α 20 The initial angle (g) of the bend relative to the steel plate to which it is connected, corresponding to the second bend weight value. y3 This represents the weight value of the second bend at the y3rd fold, where y3 ranges from 1 to N, and g. y4 This represents the weight value of the second bend at the y4th time, where y4 is 1-n. 2n .

[0050] Further, each support frame lower wall is provided with a plurality of universal wheels, each support frame upper wall and lower wall is provided with a plurality of corresponding barbs for hanging the protective net; the support frame is provided with a first hinge part, the first movable arm is provided with a second hinge part at one end close to the support frame, a first limiting block is fixedly connected in the first hinge part, a second limiting block is arranged in the second hinge part, and the first limiting block and the second limiting block jointly act to enable the first movable arm to rotate in only one direction.

[0051] Compared with the prior art, the present application has the following beneficial effects:

[0052] The present application is moved to the position needing protection, the electric push rod is extended to the initial position, the two support frames are opened, in the use process, the first weight value and the second weight value are collected according to the controller every set time, and the above analysis and processing are carried out, the extension amount of the two electric push rods is adjusted, the extension amount of the electric push rod is adaptively adjusted according to the weight of the falling object on the top plate, and the included angle of the steel plate bending part relative to the steel plate is adjusted according to the second weight value detected by the second weight sensor arranged on the bending part, so that the service life is prolonged while safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0053] Figure 1 is the overall structure schematic diagram of the present application.

[0054] Figure 2 is the top view of the present application.

[0055] Figure 3 is the local schematic diagram of the first hinge part and the second hinge part structure of the present application.

[0056] BRIEF DESCRIPTION OF DRAWINGS

[0057] 1, support frame; 2, first movable arm; 3, second movable arm; 4, first connecting seat; 5, second connecting seat; 6, electric push rod; 7, third movable arm; 8, top plate; 81, bending part; 9, universal wheel; 10, barb; 11, first hinge part; 111, second limiting block; 12, second hinge part; 121, second limiting block; 13, first weight sensor; 14, second weight sensor; 15, first sampling area; 16, second sampling area; 17, third sampling area; 18, fourth sampling area. DETAILED DESCRIPTION

[0058] The technical solutions of the present application will be clearly described below with reference to the drawings. Obviously, the described embodiments are not all the embodiments of the present application, and all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0059] As shown in Figure 1 , Figure 2 The present application provides a deformable safety shelter for mobile construction, comprising a support frame 1, a first movable arm 2, a second movable arm 3, a top plate 8, an electric push rod 6 and a controller. Two support frames 1 are provided, which are arranged in parallel and spaced apart. Four first movable arms 2 and four second movable arms 3 are hinged between the two support frames 1. Two of the four first movable arms 2 are arranged at one end of the two support frames 1, and the other two first movable arms 2 are arranged at the other end of the two support frames 1. One end of the two first movable arms 2 arranged at the same end of the two support frames 1 is hinged to one of the support frames 1, and the other end is hinged to a first connecting seat 4. Two of the four second movable arms 3 are arranged at one end of the two support frames 1, and the other two second movable arms 3 are arranged at the other end of the two support frames 1. One end of the two second movable arms 3 arranged at the same end of the two support frames 1 is hinged to one of the support frames 1, and the other end is hinged to a second connecting seat 5. The first connecting seat 4 and the second connecting seat 5 located at the same end of the two support frames 1 are arranged above and below, and the electric push rod 6 is arranged between the first connecting seat 4 and the second connecting seat 5 located at the same end of the two support frames 1.

[0060] One top plate 8 is rotatably connected to the upper end of each support frame 1. One end of the top plate 8 is rotatably connected to the upper wall of one support frame 1, and the other end of the top plate 8 is rotatably connected to another top plate 8. The end of the top plate 8 away from the other top plate 8 is provided with a bent portion 81, and an included angle is provided between the bent portion 81 and the top plate 8. The upper wall of one of the top plates 8 is provided with a first sampling area 15 and a third sampling area 17, and the upper wall of the other top plate 8 is provided with a second sampling area 16 and a fourth sampling area 18. A plurality of first weight sensors 13 are arranged in the first sampling area 15, the second sampling area 16, the third sampling area 17 and the fourth sampling area 18. A plurality of sampling groups are arranged on the bent portion 81, and the plurality of sampling groups are arranged in the width direction of the bent portion 81. A plurality of sampling points are arranged in each sampling group, and a second weight sensor 14 is arranged at each sampling point. The second weight sensors 14 in the same sampling group are arranged in the length direction of the bent portion 81.

[0061] All the first weight sensors 13 and the second weight sensors 14 are electrically connected with the controller, and the electric push rod 6 is also electrically connected with the controller; the controller processes the first weight values detected by the first weight sensors 13, and controls the extension amount of the electric push rod 6 according to the processing result; the controller processes the second weight values detected by the second weight sensors 14, and calculates the bending angle between the bending part 81 and the top plate 8 according to the processing result.

[0062] Each top plate 8 is provided with a plurality of third movable arms 7 near the side wall of the support frame 1, one end of each third movable arm 7 is hinged to the upper wall of the support frame 1, and the other end of each second movable arm 3 is hinged to the second movable arm 3 arranged on the other top plate 8; the lower wall of each support frame 1 is provided with a plurality of universal wheels 9, and the lower wall and the upper wall of each support frame 1 are provided with a plurality of barbs 10, the barbs 10 arranged on the upper wall and the lower wall of the same support frame 1 are arranged one by one, and the protective net is hung on the barbs 10, which can prevent the invasion of debris from the side during use.

[0063] As shown in Figure 3 The support frame 1 is provided with a first hinge part 11, and the first movable arm 2 is provided with a second hinge part 12 near one end of the support frame 1, the first hinge part 11 is fixedly connected with a first limiting block 111, and the second hinge part 12 is fixedly connected with a second limiting block 121, the upper wall of the first limiting block 111 is a plane, and the lower wall is an arc surface, the lower wall of the second limiting block 121 is a plane, and the upper wall is an arc surface, the plane of the first limiting block 111 is in contact with the plane of the second limiting block 121, and the first movable arm 2 can only rotate in one direction.

[0064] The specific method for the controller to process the first weight values detected by the first weight sensors 13 and control the extension amount of the electric push rod 6 is as follows:

[0065] The first weight values collected by the first weight sensors 13 in the first sampling area 15 are set as the first sampling area weight values, the first weight values collected by the first weight sensors 13 in the second sampling area 16 are set as the second sampling area weight values, the first weight values collected by the first weight sensors 13 in the third sampling area 17 are set as the third sampling area weight values, and the first weight values collected by the first weight sensors 13 in the fourth sampling area 18 are set as the fourth sampling area weight values; the first sampling area weight values, the second sampling area weight values, the third sampling area weight values and the fourth sampling area weight values all include a plurality of values.

[0066] According to the processing results of the first sampling area weight values and the second sampling area weight values, the controller adjusts the extension amount of the electric push rod 6 corresponding to the first sampling area 15 and the second sampling area 16, and the specific method is as follows:

[0067] First, the total weight of the first sampling area 15 and the second sampling area 16 in a set time is calculated, and is recorded as a first total weight, which is calculated according to the following formula:

[0068]

[0069] In the above formula, G1 represents the first total weight, ω1 represents a first weight value, g 1i represents the weight value of the i-th first sampling area, i is 1-I, ω2 represents a second weight value, g 2j represents the weight value of the j-th second sampling area, j is 1-J.

[0070] The first weight value and the second weight value are calculated according to the following formula:

[0071]

[0072] In the above formula, μ1 represents the mean of all the first sampling area weight values, and μ2 represents the mean of all the second sampling area weight values.

[0073] A first weight determination value and a second weight determination value are set, the first weight determination value is smaller than the second weight determination value, the first weight determination value is recorded as P1, and the second weight determination value is recorded as P2. The calculated first total weight is compared with the first determination value and the second determination value to determine the adjustment of the extension amount of the electric push rod 6 corresponding to the first sampling area 15 and the second sampling area 16, which is specifically:

[0074] When G1

[0075] When P1

[0076] When P2

[0077] The first length is smaller than the second length; the first weight determination value, the second weight determination value, the first length, and the second length are calculated according to the following formula:

[0078]

[0079] P2 = σ × A;

[0080]

[0081] In the above formula, σ represents the compressive strength of the top plate 8, A represents the upper surface area of the top plate 8, P 10G1 represents the existing extension amount of the electric push rod 6 corresponding to the first sampling area 15 and the second sampling area 16.

[0082] According to the processing result of the third sampling area weight value and the fourth sampling area weight value, the controller adjusts the extension amount of the electric push rod 6 corresponding to the third sampling area 17 and the fourth sampling area 18, and the specific method is:

[0083] First, the total weight borne by the third sampling area 17 and the fourth sampling area 18 within a set time is calculated, denoted as a second total weight G2, which is calculated according to the following formula:

[0084]

[0085] In the above formula, G2 represents the second total weight, ω3 represents the third weight value, g 3h Gh represents the hth third sampling area weight value, h takes 1-H, ω4 represents the fourth weight value, g 4d Gd represents the dth fourth sampling area weight value, d takes 1-D.

[0086] The third weight value and the fourth weight value are calculated according to the following formula:

[0087]

[0088]

[0089] In the above formula, μ3 represents the mean value of all third sampling area weight values, and μ4 represents the mean value of all fourth sampling area weight values.

[0090] A third weight determination value and a fourth weight determination value are set, the third weight determination value is less than the fourth weight determination value, the third weight determination value is denoted as P3, and the fourth weight determination value is denoted as P4. The calculated second total weight is compared with the first determination value and the second determination value to determine the adjustment of the extension amount of the electric push rod 6 corresponding to the third sampling area 17 and the fourth sampling area 18, and the specific method is:

[0091] When G2

[0092] When P3

[0093] When P4

[0094] The third length is smaller than the fourth length; the third weight judgment value, the fourth weight judgment value, the third length, and the fourth length are calculated by the following formula:

[0095]

[0096] P4 = P2 = σ x A;

[0097]

[0098] In the above formula, P 20 represents the existing extension amount of the electric push rod 6 corresponding to the third sampling area 17 and the fourth sampling area 18.

[0099] The controller processes the second weight value detected by the second weight sensor 14, and calculates the bending angle between the bending part 81 and the top plate 8 according to the processing result. The specific method is:

[0100] The second weight value detected by the second weight sensor 14 arranged on one of the bending parts 81 is recorded as the first bending weight value, and the second weight value detected by the second weight sensor 14 arranged on the other bending part 81 is recorded as the second bending weight value.

[0101] All the first bending weight values are sorted from small to large, and the first N first bending weight values are screened out. The first bending weight values screened out are respectively the data collected by the second weight sensor 14 in which sampling group of the bending part 81. It is assumed that there are n sampling groups in each bending part 81. The number of first bending weight values corresponding to the first sampling group to the n-th sampling group is respectively n 11 ,..., n 1n .

[0102] All the second bending weight values are sorted from small to large, and the first N second bending weight values are screened out. The second bending weight values screened out are respectively the data collected by the second weight sensor 14 in which sampling group of the bending part 81. The number of second bending weight values corresponding to the first sampling group to the n-th sampling group is respectively n 21 ,..., n 2n .

[0103] n 1n and N, and n 2n and N are compared respectively to determine the adjustment of the included angle of the bending part 81 corresponding to the first bending weight value relative to the steel plate connected thereto, and the included angle of the bending part 81 corresponding to the second bending weight value relative to the steel plate connected thereto. Specifically:

[0104] When , the included angle of the bending part 81 corresponding to the first bending weight value relative to the steel plate connected thereto is not adjusted.

[0105] When , the included angle of the bending part 81 corresponding to the first bending weight value relative to the steel plate connected thereto is increased by a first angle; the first angle is calculated according to the following formula:

[0106]

[0107] In the above formula, a1 represents the first angle, a 10 represents the initial angle of the bending part 81 corresponding to the first bending weight value relative to the steel plate connected thereto, g y1 represents the y1th first bending weight value, y1 takes 1-N, g y2 represents the y2th first bending weight value, y2 takes 1-n 1n .

[0108] When , the included angle of the bending part 81 corresponding to the second bending weight value relative to the steel plate connected thereto is not adjusted;

[0109] When , the included angle of the bending part 81 corresponding to the second bending weight value relative to the steel plate connected thereto is increased by a second angle; the second angle is calculated according to the following formula:

[0110]

[0111] In the above formula, a2 represents the second angle, a 20 represents the initial angle of the bending part 81 corresponding to the second bending weight value relative to the steel plate connected thereto, g y3 represents the y3th second bending weight value, y3 takes 1-N, g y4 represents the y4th second bending weight value, y4 takes 1-n 2n .

[0112] The working principle of the deformable safety protection shed for mobile construction provided by the application is as follows: moving to a position needing protection, the electric push rod 6 is extended to an initial position, and the two support frames 1 are opened. In the use process, the first weight value and the second weight value are collected according to the controller every set time, and the above analysis and processing are carried out, and the extension amount of the two electric push rods 6 is adjusted, the extension amount of the electric push rod 6 is adaptively adjusted according to the weight of the falling object on the top plate 8, and the included angle of the steel plate bending part 81 relative to the steel plate is adjusted according to the second weight value detected by the second weight sensor 14 arranged on the bending part 81, so that the service life is prolonged while the safety is ensured.

[0113] The application is suitable for working scenes with different height cross operation, risk of falling debris, less work below, widely distributed, frequent position change, complex terrain, and insufficient working space.

[0114] Finally, it should be noted that the above content is only used to illustrate the technical solutions of the present application, and is not a limitation on the scope of protection of the present application. Simple modifications or equivalent replacements of the technical solutions of the present application made by those skilled in the art do not deviate from the essence and scope of the technical solutions of the present application.

Claims

1. A deformable safety canopy for mobile construction, characterized in that, The utility model relates to a kind of automatic sampling device, including support frame, first movable arm, second movable arm, top plate, electric push rod and controller, the support frame is equipped with two, two the electric push rod is set between the support frame, the upper end of each electric push rod is hinged two first movable arms, lower end is hinged two second movable arms, the first movable arm is away from the one end of electric push rod, the second movable arm is away from the one end of electric push rod and is hinged with support frame;Each support frame upper end is hinged one top plate, and the other end of two top plates is hinged each other; The outer upper wall of the top plate is provided with a first sampling area, a second sampling area, a third sampling area and a fourth sampling area, the first sampling area, the second sampling area, the third sampling area and the fourth sampling area are provided with a plurality of first weight sensors, the first weight value collected by the first weight sensor in the first sampling area is set as the first sampling area weight value, the first weight value collected by the first weight sensor in the second sampling area is set as the second sampling area weight value, the first weight value collected by the first weight sensor in the third sampling area is set as the third sampling area weight value, and the first weight value collected by the first weight sensor in the fourth sampling area is set as the fourth sampling area weight value; the controller adjusts the extension amount of the electric push rod corresponding to the first sampling area and the second sampling area according to the first sampling area weight value and the second sampling area weight value; the controller adjusts the extension amount of the electric push rod corresponding to the third sampling area and the fourth sampling area according to the third sampling area weight value and the fourth sampling area weight value.

2. A deformable safety canopy for mobile construction according to claim 1, characterized in that, The specific method for the controller to adjust the extension amount of the electric push rod corresponding to the first sampling area and the second sampling area according to the first sampling area weight value and the second sampling area weight value is: calculating the total weight borne by the first sampling area and the second sampling area within a set time, denoted as first total weight, setting a first weight determination value and a second weight determination value, the first weight determination value being less than the second weight determination value, comparing the first total weight with the first weight determination value and the second weight determination value to determine the adjustment of the extension amount of the corresponding electric push rod, specifically: when G1 when P1 when P2 In the above formula, the first length is less than the second length, G1 represents the first total weight, P1 represents the first weight determination value, and P2 represents the second weight determination value.

3. A deformable safety canopy for mobile construction according to claim 2, characterized in that, The first total weight is calculated according to the following formula: In the above formula, G1 represents the first total weight, ω1 represents the first weight value, g 1i represents the i-th first sampling area weight value, i takes 1-I, ω2 represents the second weight value, g 2j represents the j-th second sampling area weight value, j takes 1-J; μ1 represents the mean of all first sampling area weight values, and μ2 represents the mean of all second sampling area weight values.

4. A deformable safety shelter for mobile construction according to claim 3, characterized in that, The first weight determination value, the second weight determination value, the first length and the second length are calculated according to the following formula: P2=σ×A; In the above formula, σ represents the compressive strength of the roof, A represents the upper surface area of the roof, P 10 represents the existing extension amount of the electric push rod corresponding to the first sampling area and the second sampling area.

5. The deformable safety enclosure for mobile construction of claim 1, wherein, The specific method for adjusting the extension amount of the electric push rod corresponding to the third sampling area and the fourth sampling area according to the third sampling area weight value and the fourth sampling area weight value is: calculating the total weight of the third sampling area and the fourth sampling area in a set time, denoted as a second total weight, setting a third weight determination value and a fourth weight determination value, the third weight determination value being smaller than the fourth weight determination value, comparing the second total weight with the third weight determination value and the fourth weight determination value to determine the adjustment of the extension amount of the corresponding electric push rod, specifically: When G2 < P3, the extension amount of the corresponding electric push rod is not adjusted; When P3 ≤ G2 < P4, the extension amount of the corresponding electric push rod is adjusted by a third length; When P4 ≤ G2, the extension amount of the corresponding electric push rod is adjusted by a fourth length; In the above formula, the third length is smaller than the fourth length, G2 represents the second total weight, P3 represents the third weight determination value, and P4 represents the fourth weight determination value.

6. A deformable safety shelter for mobile construction according to claim 5, characterized in that, The second total weight is calculated according to the following formula: In the above formula, G2 represents the second total weight, ω3 represents the third weight value, g 3h represents the hth third sampling zone weight value, h takes 1-H, ω4 represents the fourth weight value, g 4d represents the dth fourth sampling zone weight value, d takes 1-D, μ3 represents the mean of all third sampling zone weight values, and μ4 represents the mean of all fourth sampling zone weight values.

7. A deformable safety shelter for mobile construction according to claim 6, characterized in that, The third weight determination value, the fourth weight determination value, the third length, and the fourth length are calculated by the following formula: P4 = P2 = σ × A. In the above formula, σ represents the compressive strength of the roof, A represents the upper surface area of the roof, P 20 represents the existing extension amount of the electric push rod corresponding to the third sampling area and the fourth sampling area.

8. The deformable safety shelter for mobile construction of claim 1, wherein, The end of the top plate away from the other top plate is provided with a bending portion, the upper wall of the bending portion is provided with a plurality of sampling groups, each sampling group is provided with a plurality of sampling points, and a second weight sensor is arranged at each sampling point. The second weight value detected by the second weight sensor arranged on one of the bending portions is set as a first bending weight value, and the second weight value detected by the second weight sensor arranged on the other bending portion is set as a second bending weight value. The controller determines whether to adjust the included angle between the corresponding bending portion and the top plate according to the first bending weight value, and the controller determines whether to adjust the included angle between the corresponding bending portion and the top plate according to the second bending weight value, specifically: Sort all the first bending weight values from small to large, screen out the first N bending weight values, and count the screened first bending weight values classified according to different sampling groups. It is assumed that there are n sampling groups in each bending part, and the number of screened first bending weight values corresponding to each sampling group is n 11 ,..., n 1n ; Sort all the second bending weight values from small to large, screen out the first N second bending weight values, and count the screened second bending weight values classified according to different sampling groups, and the number of the screened second bending weight values corresponding to each sampling group is n 21 ,..., n 2n ; n 1n with N, n 2n with N, respectively, determines whether the angle of the two bending portions relative to the steel plate to which they are connected is adjusted.

9. A deformable safety shelter for mobile construction according to claim 8, characterized in that, n 1n with N, n 2n The specific method for determining whether the included angle of the two bending parts relative to the steel plates to which they are connected is adjusted is as follows: When the first bending weight value is not adjusted, the angle of the bending part corresponding to the first bending weight value relative to the steel plate connected thereto is not adjusted. When the first bending weight value, the included angle of the bending portion corresponding to the first bending weight value with respect to the steel plate to which it is connected is increased by a first angle; the first angle is calculated according to the following formula: In the above formula, a1 represents a first angle, a 10 represents an initial angle of the bending portion corresponding to the first bending weight value with respect to the steel plate to which it is connected, g y1 represents the y1th first bending weight value, y1 takes 1-N, g y2 represents the y2th first bending weight value, y2 takes 1-n 1n ; When the second bending weight value is not adjusted, the angle of the bending part corresponding to the second bending weight value relative to the steel plate connected thereto is not adjusted. When the second bending weight value, the included angle of the bending portion corresponding to the second bending weight value with respect to the steel plate to which the bending portion is connected is increased by a second angle; the second angle is calculated according to the following formula: In the above formula, a2 represents a second angle, a 20 represents an initial angle of the bending portion corresponding to the second bending weight value g y3 represents the y3th second bending weight value, y3 takes 1-N, g y4 represents the y4th second bending weight value, y4 takes 1-n 2n .

10. The deformable safety shelter for mobile construction of claim 1, wherein, The lower wall of each support frame is provided with a plurality of universal wheels, and the upper wall and the lower wall of each support frame are provided with a plurality of corresponding hooks, which are used for hanging the protective net. The support frame is provided with a first hinge portion, the first movable arm is provided with a second hinge portion at one end close to the support frame, the first hinge portion is fixedly connected with a first limiting block, and the second hinge portion is provided with a second limiting block. The first limiting block and the second limiting block jointly act to enable the first movable arm to rotate in only one direction.

Citation Information

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