A rapid judgment method for lift car top refuge space

Abstract

The present application relates to a kind of quick judgment method of car roof refuge space, specifically comprising the following steps: 1) record each size in car;2) establish car space model;3) establish refuge space model;4) establish quick calculation form;5) comparison judgment.The present application is characterized by: it can quickly determine whether there is refuge space;Mark the refuge space on the car roof, guide the maintenance personnel to quickly run into the refuge space in extreme conditions, ensure the safety of maintenance personnel when encountering extreme dangerous conditions during maintenance work;It can also obtain larger car roof space by design modification (such as type five will be slightly inclined to car roof wheel), to maximize the acquisition of refuge space.If there is no refuge space, it requires the first party / client to change the building design (such as changing the shaft size to increase the car size to obtain more free space, or increasing the top height to ensure that there is standing space on the car roof in extreme conditions), to maximize the saving of construction cost.

Description

Technical Field

[0001] This invention relates to the field of elevator maintenance technology, specifically to a method for quickly determining the safety space on the car top. Background Technology

[0002] The elevator car is equipped with guardrails on the top left, right and rear sides, and a car top beam in the middle horizontal direction. The car top wheel is mounted on the top beam, and there is a door operator base plate on the front side. These components form two free spaces at the front and back, and maintenance personnel need to move in these two free spaces. In order to ensure the safety of elevator maintenance personnel in extreme situations (such as the car overturning to the top), it is necessary to ensure that there is at least one refuge space in each free space.

[0003] The traditional method for determining the safety space on the car roof is to slowly lay out the space using CAD drawings. This method is slow and may not always be found.

[0004] Therefore, designing a rapid method for determining the safety space on the car roof is particularly important. Summary of the Invention

[0005] The purpose of this invention is to provide a rapid method for determining the safety space on the car roof, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution provided by the present invention is: a method for rapidly determining the safety space on the car roof, specifically including the following steps:

[0007] 1) Record all dimensions in the car top area: Measure and record the detailed dimensions of each component in the car top area, including the inner width and inner depth of the guardrail, the width of the upper beam, the positioning dimensions of the upper beam, the width of the car top wheel, and the depth of the car top wheel (for elevators that have not yet left the factory, these values ​​can be given according to the design).

[0008] 2) Establish a spatial model within the car top area: Establish a coordinate system for the space within the car top area, divide it into quadrants, and establish a top area model within the car top area;

[0009] 3) Establish a refuge space model: Establish a refuge space model according to the specifications. The horizontal dimensions of the standing refuge space are 0.4m x 0.5m, and the dimensions of the crouching refuge space are 0.5m x 0.7m.

[0010] 4) Create a quick calculation table: Input the locations and dimensions of the spatial model and the emergency escape space model within the car roof area into the calculation table, and input the calculation formulas;

[0011] 5) Comparison and judgment: Compare the spatial model in the car roof area with the emergency escape space model by comparing the points and dimensions in the coordinate system. Classify common types into Type 1, Type 2, Type 3, Type 4, Type 5, Type 6, and Type 7, and compare them in order.

[0012] If there is a safe space during the comparison process, stop; otherwise, change the size of the safe space (for example, change the cramped safe space to a standing safe space) and continue the comparison.

[0013] After completing all types of comparisons and judgments, if there is no standing refuge space, the client is required to change the building design and the shaft size to increase the car size and obtain more free space. If there is standing refuge space but no crouching refuge space, the shaft size can be changed to increase the car size and obtain more free space, or ensure that the top floor height is sufficient and there is standing height space in extreme cases. If there is no standing height space, the client needs to increase the top floor height.

[0014] As a preferred option, in step 5), type one specifically means placing the refuge space in the second quadrant, where the refuge space does not interfere with any elevator components, i.e., there is a refuge space.

[0015] As a preferred option, type two in step 5) is specifically divided into two types.

[0016] a) Place the refuge space in the second quadrant and determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step b).

[0017] b) Rotate the refuge space by 90° and place it in the second quadrant to determine whether the refuge space interferes with any elevator components.

[0018] As a preferred option, type three in step 5) is specifically divided into four types.

[0019] a) Place the refuge space in the second quadrant and determine if there is any interference between the refuge space and any elevator components; if there is interference, proceed to step b)

[0020] b) Rotate the refuge space 90° and place it in the second quadrant. Determine whether the refuge space interferes with any elevator components. If there is interference, proceed to step c).

[0021] c) Place the refuge space above the car top wheel, i.e., between the first and second quadrants, and determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step d).

[0022] d) Rotate the refuge space 90° and place it above the car top wheel, i.e., between the first and second quadrants, to determine whether the refuge space interferes with any elevator components.

[0023] As a preferred embodiment, type four in step 5) is specifically:

[0024] a) Place the refuge space in the second quadrant, with the lower right corner of the refuge space coinciding with the right angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left, ensuring that the right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components. If there is interference, proceed to step b).

[0025] b) Rotate the refuge space 90° so that the lower right corner of the refuge space coincides with the right angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left and ensure that the right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components.

[0026] As a preferred embodiment, in step 5), type five specifically refers to the car roof wheel rotating at a certain angle.

[0027] a) Place the refuge space in the second quadrant, align the lower left corner of the refuge space with the right angle formed by the left side of the guardrail and the upper part of the upper beam, and move the refuge space upward along the left guardrail. Each time the refuge space moves to a new position, determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step b).

[0028] b) Rotate the refuge space 90° and place it in the second quadrant. Align the lower left corner of the refuge space with the right angle formed by the left side of the guardrail and the upper part of the upper beam. Move the refuge space upward along the left guardrail. Each time the refuge space moves to a new position, determine whether the refuge space interferes with any elevator components.

[0029] As a preferred embodiment, in step 5), type six specifically refers to the car roof wheel rotating at a certain angle.

[0030] a) Place the refuge space above the car top wheel, i.e., between the first and second quadrants, and determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step b)

[0031] b) Rotate the refuge space 90° and place it above the car top wheel, i.e., between the first and second quadrants, and determine whether the refuge space interferes with any elevator components.

[0032] As a preferred embodiment, in step 5), type seven specifically involves rotating the car roof wheel by a certain angle.

[0033] a) Place the refuge space in the second quadrant, with the lower right corner of the refuge space coinciding with the vertex of the angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left, ensuring that the right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components. If there is interference, proceed to step b).

[0034] b) Rotate the refuge space by 90°, so that the lower right corner of the refuge space coincides with the vertex of the angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left, and ensure that the right right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components.

[0035] The advantages of this invention are: it can quickly determine whether a safe space exists; marking the safe space on the car roof guides maintenance personnel to quickly run into the safe space in extreme situations, ensuring the safety of maintenance personnel in extremely dangerous situations during maintenance work; it can also obtain a larger car roof space through design modifications (such as slightly angling the car roof wheels in Type 5) to maximize the safe space. If there is truly no cramped safe space, the client / customer must be required to change the architectural design (such as changing the shaft size to increase the car size to obtain more free space, or increasing the top floor height to ensure standing height space on the car roof in extreme situations) to minimize construction costs. Attached Figure Description

[0036] Figure 1 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in Type I of this invention.

[0037] Figure 2 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case a of type two of this invention.

[0038] Figure 3 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case b of type two of the present invention.

[0039] Figure 4 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case a of type three of this invention.

[0040] Figure 5 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case b of type three of the present invention.

[0041] Figure 6 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case c of type three of the present invention.

[0042] Figure 7This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case a of type four of this invention.

[0043] Figure 8 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space in case a of type five of this invention.

[0044] Figure 9 This is a schematic diagram showing the relative positions of the space within the car roof area and the emergency escape space of the present invention type six.

[0045] Figure 10 This is a schematic diagram showing the relative positions of the space within the car roof area and the refuge space in the seventh type of invention.

[0046] Figure 11 This is a schematic diagram of the rapid calculation table of the present invention.

[0047] Figure 12 This is a schematic diagram illustrating the rapid calculation of Type 1 and Type 2 in the table according to the present invention.

[0048] Figure 13 This is a schematic diagram of type three in the quick calculation table of this invention.

[0049] Figure 14 This is a schematic diagram of type four in the quick calculation table of this invention.

[0050] Figure 15 This is a schematic diagram of type five in the quick calculation table of this invention.

[0051] Figure 16 This is a schematic diagram of type six in the quick calculation table of this invention.

[0052] Figure 17 This is a schematic diagram of type seven in the quick calculation table of this invention. Detailed Implementation

[0053] The present invention is illustrated below with specific embodiments, which are not intended to limit the scope of the invention.

[0054] A rapid method for determining the safety space on the car roof includes the following steps:

[0055] 1) Record all dimensions within the car top area: Measure and record the detailed dimensions of each component within the car top area, including the inner width and inner depth of the guardrail, the width of the upper beam, the positioning dimensions of the upper beam, the width of the car top wheel, and the depth of the car top wheel;

[0056] 2) Establish a spatial model within the car top area: Establish a coordinate system for the space within the car top area, divide it into quadrants, and establish a model within the car top area;

[0057] 3) Establish a refuge space model: Establish a refuge space model according to the specification requirements. The horizontal dimension of the standing refuge space is 0.4m x 0.5m, and the horizontal dimension of the curled-up refuge space is 0.5m x 0.7m;

[0058] 4) Establish a quick calculation table: Input the points and dimensions of the space model and the refuge space model in the car top area into the calculation table, and input the calculation formula;

[0059] 5) Compare and judge: Compare the space model in the car top area with the refuge space model. Compare by the points and dimensions in the coordinate system. Classify the common types into Type 1, Type 2, Type 3, Type 4, Type 5, Type 6, and Type 7, and compare them in sequence;

[0060] Stop if there is a refuge space during the comparison process. If not, it is necessary to change the size of the refuge space (for example, change the curled-up refuge space to a standing refuge space) and continue the comparison.

[0061] After completing the comparison and judgment of all types, if there is not even a standing refuge space, it is required that the party A and the customer change the building design, change the hoistway size to increase the car size to obtain a larger free space; if there is a standing refuge space but no curled-up refuge space, the hoistway size can be changed to increase the car size to obtain a larger free space or ensure that the top floor height is sufficient and there is a standing height space in extreme cases. If there is no standing height space either, the customer needs to increase the top floor height.

[0062] As shown in the figure: Gradually compare the space in the car top area to be judged with the refuge space according to the type, input data in the quick calculation table, and output the result through the function formula. "Squat down" in the table is the "curled up" mentioned in this article.

[0063] Type 1 / 2 determination:

[0064] Determine whether the refuge space can be placed in the free space of the second quadrant (excluding part of the car top wheels). Since the free spaces in the first and second quadrants are symmetric, only consider the second quadrant. Generally, there is a car door system in the front of the elevator, so the car upper beam generally moves forward to balance the static state of the car. Therefore, the third and fourth quadrants are not considered as the key points. The determination formula is:

[0065] =IF(OR(AND($B$11<B14,$C$11<C14),AND($B$11<C14,$C$11<B14)),"There is a refuge space","There is no refuge space")

[0066] If there is no refuge space in Type 1 / 2, then conduct Type 3 determination.

[0067] Type 3 determination:

[0068] Determine whether the free space in the first and second quadrants above the car top wheel can accommodate the refuge space. The determination formula is:

[0069] =IF(OR(AND($B$11<B18,$C$11<C18),AND($B$11<C18,$C$11<B18)),"There is a refuge space","There is no refuge space")

[0070] Types one, two, and three are also the most commonly used and simplest determination methods currently used by most companies.

[0071] If there is no refuge space in Type One / Two / Three, then perform the determination of Type Four.

[0072] Determination of Type Four:

[0073] The operation method is as follows: Point A starts from the intersection of the car top wheel and the negative direction of the X-axis and moves continuously to the left. AC intersects with point E. The process of point A moving to the left is a single step length (the step length is set by the system). As point A moves through each step length, the coordinates of points B, C, and D will change continuously. When points B, C, and D are all within the upper free space, it is considered that there is a refuge space in the upper free space, and the system records the coordinates of points A, B, C, and D.

[0074] Judgment method: Establish a coordinate system with the width of the car as the X-axis, the depth as the Y-axis, and the intersection of the upper part of the upper beam and the center line of the car top wheel as the origin O. Calculate the coordinates of points A, B, C, and D using trigonometric functions. The X value of point A is obtained from the step size, and the Y value is 0. The X value of point B is =ROUND(-J32*SIN(C23)+B31,0), and the Y value of point B is =ROUND(J32*COS(C23),0). The X value of point C is =ROUND(COS(C23)*K32+B31,0), and the Y value of point C is =ROUND(SIN(C23)*K32,0). The X value of point D is =ROUND((J32^2+K32^2)^0.5*COS(F26)+B31,0), and the Y value of point D is =ROUND((J32^2+K32^2)^0.5*SIN(F26),0). Next, determine whether the X and Y coordinates of points B, C, and D are in free space (point A does not need to be determined).The formula for determining the X-coordinate of point B is: IF(OR(AND(AND(B34>=-$B$3 / 2,B34<=$B$3 / 2),OR(B34<=-$E$3 / 2,B34>=$E$3 / 2)),AND(B34>=-$E$3 / 2,B34<=$E$3 / 2,C34>=$C$43,C34<=$C$3-$D$3-$E$3 / 2)),"In free space","Not in free space") The formula for determining the Y-coordinate of point B is: IF(AND(AND(C34<=$C$3-$D$3-$E$3 / 2,C34>=0)=T RUE, AND(B34<=-F3 / 2,B34<=-F3 / 2,C34<=C43,C34>=0)=FALSE), "In free space", "Not in free space") Formula for determining the X-coordinate of point C: =IF(OR(AND(AND(B37>=-$B$3 / 2,B37<=$B$3 / 2),OR(B37<=-$E$3 / 2,B37>=$E$3 / 2)),AND(B37>=-$E$3 / 2,B37<=$E$3 / 2,C37>=$C$43,C37<=$C$3-$D$3-$E$3 / 2))," The formula for determining the Y-coordinate of point C ("In free space", "Not in free space") is: IF(AND(AND(C37<=$C$3-$D$3-$E$3 / 2,C37>=0)=TRUE,AND(B37<=-F6 / 2,B37<=-F6 / 2,C37<=C43,C37>=0)=FALSE), "In free space", "Not in free space") The formula for determining the X-coordinate of point D is: IF(OR(AND(AND(B40>=-$B$3 / 2,B40<=$B$3 / 2),OR(B40<=-$E$3 / 2,B40>=$...) The formula for determining the Y-coordinate of point D is: IF(AND(AND(C40<=$C$3-$D$3-$E$3 / 2,C40>=$C$43,C40<=$C$3-$D$3-$E$3 / 2)),AND(B40>=-$E$3 / 2,B40<=$E$3 / 2,C40>=0)=TRUE,AND(B40<=-F9 / 2,B40<=-F9 / 2,C40<=C43,C40>=0)=FALSE),"In free space","Not in free space").

[0075] Finally, it is necessary to determine whether the XY coordinates of points BCD are in free space. The formula for this determination is: =IF(AND(D34="In Free Space",E34="In Free Space",D37="In Free Space",E37="In Free Space",D40="In Free Space",E40="In Free Space"),"Have Safety Space","No Safety Space")

[0076] If the above determination results in no safe space, then the safe space is flipped (the lengths of J1 and J2 are swapped), and the side lengths of the safe space are swapped using the formulas =IF(I32="No Flip",$B$11,$C$11) and =IF(I32="No Flip",$C$11,$B$11). Then, it is verified whether points BCD are in free space, and simultaneously, the existence of safe space is determined according to the above formulas.

[0077] If there is no safe haven for Type 1 / 2 / 3 / 4, then proceed to Type 5.

[0078] Type 5 Judgment:

[0079] The operation method is as follows: As shown in the figure, the car top wheel has a certain tilt. The tilt angle is first determined by the designer. Using the S value in the view as the driving force, point A is placed at the position where it coincides with the upper part of the upper beam and the left guardrail. AB coincides with the inner side of the left guardrail. Starting from the position of the coincidence, it moves in the positive direction of the Y axis in steps of unit length (step length is set by the system). The coordinates of points B, C, and D will change continuously. When points B, C, and D are all within the upper free space, it is considered that there is a safety space in the upper free space. The system records the coordinates of points A, B, C, and D.

[0080] Judgment Method: Establish a coordinate system with the width of the car as the X-axis, the depth as the Y-axis, and the intersection of the upper beam and the centerline of the car top wheel as the origin O. Calculate the coordinates of points A, B, and D using trigonometric functions. The X-value of point A is -B³ / 2, and the Y-value of point A is obtained based on the step size. The X-value of point B is -B³ / 2, and the Y-value of point B is K49 + C55. The X-value of point D is B55 + J49, and the Y-value of point D is K49 + C55. Then determine whether the X and Y coordinates of points A, B, and D are within free space. The judgment formula for point A is AND(B55>=-$B$³ / 2, B55<=$B$³ / 2), the judgment formula for point B is AND(B58>=-$B$³ / 2, B58<=$B$³ / 2), and the judgment formula for point D is C64<=C3-D3-E3 / 2. Then, use the formula =IF(AND(F55,F58,F64),"In Free Space","Not in Free Space") to determine whether points A, B, and C are in free space. Simultaneously, in this coordinate system, determine whether points EF are within ABC. Within the maintenance space D, the X value of point E is ROUND((((G3 / 2)^2+(F3 / 2)^2)^0.5)*COS(C50+D71),1), and the Y value of point E is ROUND((((G3 / 2)^2+(F3 / 2)^2)^0.5)*SIN(C50+D71)-E3 / 2,0). The X value of point F is ROUND((((G3 / 2)^2+(F3 / 2)^2)^0.5)*COS(C50-D71),0), and the Y value of point F is ROUND((((G3 / 2)^2+(F3 / 2)^2)^0.5)*SIN(C50-D71),0). The formula for determining whether point E is within the given safe zone is AND(B67>=-$B$3 / 2,B67<=-$B$3 / 2+$J$49,C67<=$C$55+$K$49). The formula for determining whether point F is within the given safe zone is AND(B70>=-$B$3 / 2,B70<=-$B$3 / 2+$J$49,C70<=$C$55+$K$49). The formula for determining whether points EF are within the given safe zone is IF(AND(H67,H70)=FALSE,"In Free Space","Not in Free Space"). Next, we need to determine whether point C is within free space, mainly whether point C is within the space formed by the car top wheel and the upper part of the upper beam. Since the car top wheel is angled, establishing a new coordinate system for this determination will make the determination easier. The new coordinate system is established with the center of the car as the origin, the center line of the car top wheel as the Y-axis, and the X-axis perpendicular to the Y-axis.Through trigonometric function conversion calculation, the X value of point C = ROUND(((B55 + J49)^2 + (E3 / 2 + C55)^2)^0.5 * -COS(D78), 0), the Y value of point C = ROUND(((B55 + J49)^2 + (E3 / 2 + C55)^2)^0.5 * SIN(D78), 0), the X value of point E = -F3 / 2, and the Y value of point E = G3 / 2. The X value of point F = F3 / 2, and the Y value of point F = G3 / 2. The judgment formula for determining whether the X value of point C is within the space formed by the car top wheel and the upper part of the upper beam is = AND(B75 >= -F3 / 2, B75 <= F3 / 2), and the judgment formula for determining whether the Y value of point C is within the space formed by the car top wheel and the upper part of the upper beam is = AND(C75 >= 0, C75 <= G3 / 2). The comprehensive judgment formula for point C is = IF(AND(G74, G76) = TRUE, "Not in free space", "In free space"). The formula for judging whether there is a safe space in comprehensive judgment type five is = IF(AND(F85 = "In free space", G85 = "In free space", H85 = "In free space"), "There is a safe space", "There is no safe space"). After finding the safe space according to the above operation steps, the system records the coordinate values of A, B, C, and D. If the safe space still cannot be found according to the above operations, the inclination value of the car top wheel can be changed to flip the long side and short side of the safe space. The flipping formula is = IF(J99 = "Do not flip", $B$11, $C$11), = IF(J99 = "Do not flip", $C$11, $B$11). Then make a further judgment.

[0081] If there is no safe space in type one / two / three / four / five, then perform type six judgment.

[0082] Type six judgment:

[0083] Judge whether the free space in the first and second quadrants above the car top wheel can accommodate the safe space. The judgment formula is:

[0084] = IF(OR(AND($B$11 < B94, $C$11 < C94), AND($B$11 < C94, $C$11 < B94)), "There is a safe space", "There is no safe space").

[0085] If there is no safe space in type one / two / three / four / five / six, then perform type seven judgment.

[0086] Type seven judgment

[0087] The operation method is as follows: starting from the intersection of the car top wheel and the negative direction of the X-axis, point A moves to the left until AC intersects with point E. The process of point A moving to the left is a single step (the step size is set by the system). Every time point A moves one step, the coordinates of points B, C, and D will change continuously. When points B, C, and D are all within the upper free space, it is considered that there is a safety space in the upper free space, and the system records the coordinates of points A, B, C, and D.

[0088] Determination method: Establish a coordinate system with the width of the car as the X-axis, the depth as the Y-axis, and the intersection of the upper part of the upper beam and the centerline of the car top wheel as the origin O. Calculate AB using trigonometric functions. The coordinates of points C and D are given. The X value of point A is obtained from the step size, and the Y value is 0. The X value of point B is =ROUND(-K99*SIN(C102)+B110,0), and the Y value of point B is =ROUND(K99*COS(C102),0). The X value of point C is =ROUND(COS(C102)*L99+B110,0), and the Y value of point C is =ROUND(SIN(C102)*L99,0). The X value of point D is =ROUND((K99^2+L99^2)^0.5*COS(F105)+B110,0), and the Y value of point D is =ROUND((K99^2+L99^2)^0.5*SIN(F105),0). Then, determine whether the X and Y coordinates of points B, C, and D are in free space (point A does not need to be determined). Formula for determining the X coordinate of point B: =IF(OR(AND(AND(B113>=-$B$3 / 2,B113<=$B$3 / 2),OR(B113<=-$E$3 / 2,B113>=$E$3 / 2)),AND(B113>=-$E$3 / 2,B113<=$E$3 / 2,C113>=$C$43,C113<=$C$3-$D$3-$E$3 / 2)) The formula for determining the Y-coordinate of point B is: IF(AND(AND(C113<=$C$3-$D$3-$E$3 / 2,C113>=0)=TRUE,AND(B113<=-F80 / 2,B113<=-F80 / 2,C113<=C122,C113>=0)=FALSE), "In free space", "Not in free space" Within the space), the formula for determining the X-coordinate of point C is: IF(OR(AND(AND(B116>=-$B$3 / 2,B116<=$B$3 / 2),OR(B116<=-$E$3 / 2,B116>=$E$3 / 2)),AND(B116>=-$E$3 / 2,B116<=$E$3 / 2,C116>=$C$43,C116<=$C$3-$D$3-$E$3). $3 / 2)), "In free space", "Not in free space"), The formula for determining the Y-coordinate of point C is =IF(AND(AND(C116<=$C$3-$D$3-$E$3 / 2,C116>=0)=TRUE,AND(B116<=-F83 / 2,B116<=-F83 / 2,C116<=C122,C116>=0)=FALSE), "In free space",The formula for determining the X-coordinate of point D is: IF(OR(AND(AND(B119>=-$B$3 / 2,B119<=$B$3 / 2),OR(B119<=-$E$3 / 2,B119>=$E$3 / 2)),AND(B119>=-$E$3 / 2,B119<=$E$3 / 2,C119>=$C$43,C119<=$C$3-$D$3-$E$3 / 2)),"In Free Space","Not in Free Space"). The formula for determining the Y-coordinate of point D is: IF(AND(AND(C119<=$C$3-$D$3-$E$3 / 2)),"In Free Space","Not in Free Space"). 3 / 2,C119>=0)=TRUE,AND(B119<=-F86 / 2,B119<=-F86 / 2,C119<=C122,C119>=0)=FALSE),"In free space","Not in free space") Ultimately, it's necessary to determine if the XY coordinates of points BCD are both in free space, =IF(AND(D113="In free space",E113="In free space",D116="In free space",E116="In free space",D119="In free space",E119="In free space"),"Have safe space","No safe space"),

[0089] If the above determination results in no safety space, then the safety space is flipped (the lengths of J1 and J2 are swapped). The side lengths of the safety space are swapped using the formulas =IF(J99="No Flip", $B$11, $C$11) and =IF(J99="No Flip", $C$11, $B$11). Alternatively, the offset value of the car top wheel can be adjusted, and it is verified whether points BCD are within free space, while simultaneously determining whether there is safety space according to the above formula.

[0090] in Figures 12-17 It is a continuous, fast calculation table.

[0091] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A method for rapidly determining the safety space on the car roof, characterized in that, Specifically, the following steps are included: 1) Record all dimensions in the car top area: Measure and record the detailed dimensions of each component in the car top area, including the inner width and inner depth of the guardrail, the width of the upper beam, the positioning dimensions of the upper beam, the width of the car top wheel, and the depth of the car top wheel. For elevators that have not yet left the factory, these values ​​can be provided according to the design. 2) Establish a spatial model within the car top area: Establish a coordinate system for the space within the car top area, divide it into quadrants, and establish a top area model within the car top area; 3) Establish a refuge space model: Establish a refuge space model according to the specifications. The horizontal dimensions of the standing refuge space are 0.4m x 0.5m, and the dimensions of the crouching refuge space are 0.5m x 0.7m. 4) Create a quick calculation table: Input the locations and dimensions of the spatial model and the emergency escape space model within the car roof area into the calculation table, and input the calculation formulas; 5) Comparison and judgment: Compare the spatial model in the car roof area with the emergency escape space model by comparing the points and dimensions in the coordinate system. Classify common types into Type 1, Type 2, Type 3, Type 4, Type 5, Type 6, and Type 7, and compare them in order. If there is a safe space during the comparison process, the comparison should be stopped; otherwise, the size of the safe space needs to be changed and the comparison should continue. After completing all types of comparisons and judgments, if there is no standing refuge space, the client is required to change the building design and the shaft size to increase the car size and obtain more free space. If there is standing refuge space but no crouching refuge space, the shaft size can be changed to increase the car size and obtain more free space, or ensure that the top floor height is sufficient and there is standing height space in extreme cases. If there is no standing height space, the client needs to increase the top floor height.

2. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type one specifically means placing the refuge space in the second quadrant, where the refuge space does not interfere with any elevator components, i.e., there is a refuge space.

3. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type two is specifically divided into two types. a) Place the refuge space in the second quadrant and determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step b). b) Rotate the refuge space by 90° and place it in the second quadrant to determine whether the refuge space interferes with any elevator components.

4. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type three is specifically divided into four types. a) Place the refuge space in the second quadrant and determine if there is any interference between the refuge space and any elevator components; if there is interference, proceed to step b) b) Rotate the refuge space 90° and place it in the second quadrant. Determine whether the refuge space interferes with any elevator components. If there is interference, proceed to step c). c) Place the refuge space above the car top wheel, i.e., between the first and second quadrants, and determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step d). d) Rotate the refuge space 90° and place it above the car top wheel, i.e., between the first and second quadrants, to determine whether the refuge space interferes with any elevator components.

5. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type four specifically refers to... a) Place the refuge space in the second quadrant, with the lower right corner of the refuge space coinciding with the right angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left, ensuring that the right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components. If there is interference, proceed to step b). b) Rotate the refuge space 90° so that the lower right corner of the refuge space coincides with the right angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left and ensure that the right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components.

6. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type five specifically refers to the car roof wheel rotating at a certain angle. a) Place the refuge space in the second quadrant, align the lower left corner of the refuge space with the right angle formed by the left side of the guardrail and the upper part of the upper beam, and move the refuge space upward along the left guardrail. Each time the refuge space moves to a new position, determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step b). b) Rotate the refuge space 90° and place it in the second quadrant. Align the lower left corner of the refuge space with the right angle formed by the left side of the guardrail and the upper part of the upper beam. Move the refuge space upward along the left guardrail. Each time the refuge space moves to a new position, determine whether the refuge space interferes with any elevator components.

7. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type six specifically refers to the car roof wheel rotating at a certain angle. a) Place the refuge space above the car top wheel, i.e., between the first and second quadrants, and determine whether the refuge space interferes with any elevator components; if there is interference, proceed to step b). b) Rotate the refuge space 90° and place it above the car top wheel, i.e., between the first and second quadrants, and determine whether the refuge space interferes with any elevator components.

8. The method for rapidly determining the car roof safety space according to claim 1, characterized in that: In step 5), type seven specifically refers to the car roof wheel rotating at a certain angle. a) Place the refuge space in the second quadrant. The lower right corner of the refuge space coincides with the vertex of the angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left and ensure that the right right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components. If there is interference, proceed to step b). b) Rotate the refuge space by 90°, so that the lower right corner of the refuge space coincides with the vertex of the angle formed by the left side of the car top wheel and the upper part of the upper beam. Move the lower right corner of the refuge space to the left, and ensure that the right right right angle side of the refuge space coincides with the upper left corner of the car top wheel. For each position the lower right corner of the refuge space moves, determine whether the refuge space interferes with any elevator components.

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