Seven-degree-of-freedom elevator out-of-control simulation platform

Abstract

The utility model discloses a seven-degree-of-freedom elevator out-of-control simulation platform, which relates to the field of simulation platforms and comprises a six-degree-of-freedom motion platform mechanism, a simulation lift car arranged on the six-degree-of-freedom motion platform mechanism and a four-axis synchronous trapezoidal lead screw lifting mechanism arranged between the six-degree-of-freedom motion platform mechanism and the simulation lift car. The four-axis synchronous trapezoidal lead screw lifting mechanism comprises a lead screw lifting lower platform, a lead screw lifting upper platform, a plurality of trapezoidal lead screw lifters and a driving assembly, and the lead screw lifting lower platform is installed on the six-degree-of-freedom motion platform mechanism. By arranging the four-axis synchronous trapezoidal lead screw lifting mechanism, the elevator simulation car can simulate emergency landing, lifting and the like on the lead screw lifting platform, so that changes of acceleration and speed caused by different faults of an elevator are experienced; by arranging the six-degree-of-freedom motion platform mechanism, different external environments and the like of the elevator in the running process can be simulated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of simulation platform, concretely relates to a seven degrees of freedom simulation elevator out of control platform. BACKGROUND

[0002] The simulation elevator out of control platform is a device or system for simulating the running condition of an elevator in an out of control state, mainly used for testing and evaluating the safety performance and emergency response capability of the elevator, and including simulation of an out of control scene, safety testing, and training functions, and other features and applications.

[0003] At present, the simulation elevator out of control platform is usually applied in the field of scientific research simulation, and the traditional simulation elevator out of control platform does not install a six degrees of freedom motion platform to simulate the external environment, or can only perform simple lifting simulation failure, and cannot truly reproduce the real running condition of the daily elevator under the influence of the external environment. UTILITY MODEL CONTENT

[0004] The utility model aims at the above shortcomings, and provides a seven degrees of freedom simulation elevator out of control platform to solve the above problems existing in the prior art.

[0005] Technical scheme: A seven degrees of freedom simulation elevator out of control platform, comprising a six degrees of freedom motion platform mechanism, a simulation car arranged on the six degrees of freedom motion platform mechanism, and a four-axis synchronous trapezoidal screw rod lifting mechanism installed between the six degrees of freedom motion platform mechanism and the simulation car, wherein the four-axis synchronous trapezoidal screw rod lifting mechanism comprises a screw rod lifting lower platform, a screw rod lifting upper platform, a plurality of trapezoidal screw rod lifting machines, and a driving assembly.

[0006] The screw rod lifting lower platform is installed on the six degrees of freedom motion platform mechanism, the screw rod lifting upper platform is arranged on the side of the screw rod lifting lower platform away from the six degrees of freedom motion platform mechanism and is connected with the simulation car, the plurality of trapezoidal screw rod lifting machines are correspondingly installed at predetermined positions between the screw rod lifting upper platform and the screw rod lifting lower platform, and the driving assembly is connected with the plurality of trapezoidal screw rod lifting machines and is used for driving the plurality of trapezoidal screw rod lifting machines to drive the simulation car to move up and down.

[0007] In a further embodiment, the driving assembly comprises a transmission shaft, a shaft coupling, a transfer case, and a servo motor.

[0008] The transmission shafts are provided in plurality, and the plurality of transmission shafts are correspondingly arranged between the transfer box and the plurality of trapezoidal screw elevators. The couplings are provided in plurality, and the plurality of couplings are correspondingly installed between the plurality of transmission shafts, the transfer box, the servo motor and the plurality of trapezoidal screw elevators. The plurality of transmission shafts are used for connecting and driving the plurality of trapezoidal screw elevators. The plurality of couplings are used for connecting the trapezoidal screw elevators, the transmission shafts, the transfer box and the servo motor.

[0009] In a further embodiment, the four-axis synchronous trapezoidal screw elevator mechanism further comprises a shock-absorbing foot pad and an upper electrical appliance box.

[0010] The shock-absorbing foot pad is installed on the screw elevator lower platform, and the upper electrical appliance box is installed on the screw elevator lower platform and located at one side of the servo motor.

[0011] In a further embodiment, the four-axis synchronous trapezoidal screw elevator mechanism further comprises an L-shaped support.

[0012] The L-shaped supports are provided in plurality, and the plurality of L-shaped supports are correspondingly installed between the screw elevator lower platform and the plurality of trapezoidal screw elevators.

[0013] In a further embodiment, the six-degree-of-freedom motion platform mechanism comprises a six-degree-of-freedom lower platform, a six-degree-of-freedom upper platform, a horizontal hook joint and a servo electric cylinder.

[0014] The six-degree-of-freedom upper platform is connected with the screw elevator lower platform. The horizontal hook joints are provided in plurality of groups, and the plurality of groups of horizontal hook joints are correspondingly installed at predetermined positions on the six-degree-of-freedom lower platform and the six-degree-of-freedom upper platform. The servo electric cylinders are provided in plurality, and the plurality of servo electric cylinders are correspondingly installed between the plurality of groups of horizontal hook joints, used for cooperating with the horizontal hook joints and the six-degree-of-freedom upper platform to drive the simulation car and the four-axis synchronous trapezoidal screw elevator mechanism to move in multiple degrees of freedom.

[0015] In a further embodiment, the six-degree-of-freedom motion platform mechanism further comprises a lower electrical appliance box.

[0016] The lower electrical appliance box is installed on the six-degree-of-freedom lower platform.

[0017] Beneficial effects: the utility model discloses a seven -freedom degree simulation elevator out of control platform, through setting up four -axis synchronous trapezoidal screw rod lifting mechanism, make elevator simulation car can simulate emergency landing and lift on the screw rod lifting platform etc., thereby experience the acceleration and speed change of different elevator failure, through setting up six -freedom degree motion platform mechanism, can simulate different external environment of elevator in the operation process etc., simultaneously, the combined use of both, also can make elevator car be in the situation of different external environment, experience different elevator failure, find out different hedge mode etc. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model.

[0019] Figure 2 It is three -dimensional structure schematic diagram of simulation car and four -axis synchronous trapezoidal screw rod lifting mechanism of the utility model.

[0020] Figure 3 It is front view structure schematic diagram of simulation car and four -axis synchronous trapezoidal screw rod lifting mechanism of the utility model.

[0021] Figure 4 It is structure schematic diagram of drive assembly of the utility model.

[0022] Figure 5 It is structure schematic diagram of six -freedom degree motion platform mechanism of the utility model.

[0023] Reference signs in the drawing are: 1, simulation car;2, four -axis synchronous trapezoidal screw rod lifting mechanism;201, trapezoidal screw rod lifter;202, transmission shaft;203, coupling;204, transfer case;205, servo motor;206, shock foot pad;207, screw rod lifting upper platform;208, screw rod lifting lower platform;209, upper electrical box;210, L type support;3, six -freedom degree motion platform mechanism;301, six -freedom degree lower platform;302, six -freedom degree upper platform;303, horizontal hooke joint;304, servo electric cylinder;305, lower electrical box. DETAILED DESCRIPTION

[0024] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious for those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described to avoid obscuring the utility model.

[0025] The applicant believes that the existing elevator runaway simulation platform does not install a six-degree-of-freedom motion platform to simulate the external environment, or can only perform simple lifting simulation failures, and cannot truly restore the real running conditions of daily elevators under the influence of external environments.

[0026] Therefore, the applicant proposes a seven-degree-of-freedom elevator runaway simulation platform, as shown in Figures 1-5 which includes a six-degree-of-freedom motion platform mechanism 3, a simulation car 1 arranged on the six-degree-of-freedom motion platform mechanism 3, and a four-axis synchronous trapezoidal screw lifting mechanism 2 installed between the six-degree-of-freedom motion platform mechanism 3 and the simulation car 1.

[0027] In this application, in view of the problems that the existing elevator runaway simulation platform can only perform simple lifting simulation failures and cannot truly restore the real running conditions of daily elevators under the influence of external environments, a four-axis synchronous trapezoidal screw lifting mechanism 2 and a six-degree-of-freedom motion platform mechanism 3 are arranged to simulate the influence of external environments on elevators.

[0028] Specifically, the arrangement of the four-axis synchronous trapezoidal screw lifting mechanism 2 can enable the elevator simulation car 1 to perform emergency landing and lifting operations on the screw lifting platform, facilitate the experience of changes in acceleration and speed caused by different elevator failures, and the arrangement of the six-degree-of-freedom motion platform mechanism 3 can simulate different external environments during the operation of the elevator, such as earthquakes, swaying, sea wave fluctuations, etc. At the same time, the combination of the two can enable the elevator simulation car 1 to experience different elevator failures under different external environments and find different risk avoidance methods, so as to quickly find suitable risk avoidance methods after a real-life danger occurs and to understand the influence of external environments on the service life of the elevator.

[0029] As shown in Figures 1-4 , the four-axis synchronous trapezoidal screw lifting mechanism 2 includes a screw lifting lower platform 208, a screw lifting upper platform 207, a plurality of trapezoidal screw lifting machines 201, a driving assembly, a shock-absorbing foot pad 206, an upper electrical box 209, and an L-shaped support 210.

[0030] The screw rod lifting lower platform 208 is installed on the six-degree-of-freedom motion platform mechanism 3, the screw rod lifting upper platform 207 is arranged on the side of the screw rod lifting lower platform 208 away from the six-degree-of-freedom motion platform mechanism 3 and is connected with the simulation car 1, a plurality of trapezoidal screw rod elevators 201 are correspondingly installed at predetermined positions between the screw rod lifting upper platform 207 and the screw rod lifting lower platform 208, the driving assembly is connected with the plurality of trapezoidal screw rod elevators 201 and is used for driving the plurality of trapezoidal screw rod elevators 201 to drive the simulation car 1 to move up and down, the shock pad 206 is installed on the screw rod lifting lower platform 208, the upper electrical box 209 is installed on the screw rod lifting lower platform 208 and is located on the side of the servo motor 205, and the L-shaped support 210 is provided with a plurality of L-shaped supports 210.

[0031] As shown in Figure 4 , the driving assembly comprises a transmission shaft 202, a shaft coupling 203, a transfer case 204 and a servo motor 205.

[0032] The transmission shaft 202 is provided with a plurality of transmission shafts 202, the plurality of transmission shafts 202 are correspondingly arranged between the transfer case 204 and the plurality of trapezoidal screw rod elevators 201, the shaft coupling 203 is provided with a plurality of shaft couplings 203, the plurality of shaft couplings 203 are correspondingly installed between the plurality of transmission shafts 202, the transfer case 204, the servo motor 205 and the plurality of trapezoidal screw rod elevators 201, the plurality of transmission shafts 202 are used for connecting and driving the plurality of trapezoidal screw rod elevators 201, and the plurality of shaft couplings 203 are used for connecting the trapezoidal screw rod elevator 201, the transmission shaft 202, the transfer case 204 and the servo motor 205.

[0033] In the present application, the four-axis synchronous trapezoidal screw rod lifting mechanism 2 mainly comprises a trapezoidal screw rod elevator 201, a transmission shaft 202, a shaft coupling 203, a transfer case 204, a servo motor 205, a shock pad 206, a screw rod lifting upper platform 207, a screw rod lifting lower platform 208, an upper electrical box 209 and an L-shaped support 210, wherein the trapezoidal screw rod elevator 201 is provided with four groups of trapezoidal screw rod elevators 201, and the four groups of trapezoidal screw rod elevators 201 are distributed at four corners of the elevator simulation car 1, so that the load of the platform can be well borne, the elevator simulation car 1 is fixed better, and at the same time, the trapezoidal screw rod transmission can make the platform realize power-off self-locking and prevent the platform from falling after power-off.

[0034] As shown in Figures 1-5 , the six-degree-of-freedom motion platform mechanism 3 comprises a six-degree-of-freedom lower platform 301, a six-degree-of-freedom upper platform 302, a horizontal hook joint 303, a servo electric cylinder 304 and a lower electrical box 305.

[0035] The six-degree-of-freedom upper platform 302 is connected with the screw lifting lower platform 208, a plurality of groups of horizontal hook hinges 303 are arranged, the plurality of groups of horizontal hook hinges 303 are arranged on predetermined positions of the six-degree-of-freedom lower platform 301 and the six-degree-of-freedom upper platform 302, a plurality of servo electric cylinders 304 are arranged, the plurality of servo electric cylinders 304 are arranged between the plurality of groups of horizontal hook hinges 303, and the plurality of servo electric cylinders 304 are used for cooperating with the horizontal hook hinges 303 and the six-degree-of-freedom upper platform 302 to drive the simulation car 1 and the four-axis synchronous trapezoidal screw lifting mechanism 2 to move in multiple degrees of freedom, and the lower electric appliance box 305 is arranged on the six-degree-of-freedom lower platform 301.

[0036] In the application, the six-degree-of-freedom motion platform mechanism 3 mainly comprises the six-degree-of-freedom lower platform 301, the six-degree-of-freedom upper platform 302, the horizontal hook hinge 303, the servo electric cylinder 304 and the lower electric appliance box 305, and six groups of servo electric cylinders 304 are arranged correspondingly, all the six groups of servo electric cylinders 304 are straight connection type electric cylinders, the whole platform can be faster in response speed, the transmission efficiency loss can be reduced, and the external environment such as shaking, sea wave and earthquake can be better simulated, meanwhile, the lower electric appliance box 305 is integrated in the platform, and the dynamic wire arrangement is more convenient.

[0037] In the application, the six-degree-of-freedom motion platform mechanism 3 is used for simulating external environment such as shaking, sea wave and earthquake, the four-axis synchronous trapezoidal screw lifting mechanism 2 is used for realizing the running of the elevator simulation car 1, and the six-degree-of-freedom motion platform mechanism 3 is used for realizing seven degrees of freedom, and the seven-degree-of-freedom simulation elevator out-of-control platform can realize full automation to a certain extent.

[0038] As described above, although the application has been described and expressed with reference to specific preferred embodiments, it should not be construed as a limitation on the application itself. Various changes can be made in form and details without departing from the spirit and scope of the application defined in the appended claims.

Claims

1. A seven degree of freedom simulated elevator runaway platform, characterized by, The four-axis synchronous trapezoidal screw lifting mechanism comprises: a screw lifting lower platform mounted on the six-degree-of-freedom platform mechanism; a screw lifting upper platform arranged on the side of the screw lifting lower platform away from the six-degree-of-freedom platform mechanism and connected with the simulation car; a plurality of trapezoidal screw lifting machines corresponding mounted at predetermined positions between the screw lifting upper platform and the screw lifting lower platform; a driving assembly connected with the plurality of trapezoidal screw lifting machines for driving the plurality of trapezoidal screw lifting machines to move the simulation car up and down.

2. A seven degree of freedom simulated elevator runaway platform according to claim 1, characterized in that: The driving assembly comprises a transmission shaft, a coupling, a transfer case and a servo motor; The transmission shaft is provided with a plurality of transmission shafts corresponding arranged between the transfer case and the plurality of trapezoidal screw lifting machines; The coupling is provided with a plurality of couplings corresponding mounted between the plurality of transmission shafts, the transfer case, the servo motor and the plurality of trapezoidal screw lifting machines; The plurality of transmission shafts are used to drive the plurality of trapezoidal screw lifting machines, and the plurality of couplings are used to connect the trapezoidal screw lifting machines, the transmission shaft, the transfer case and the servo motor.

3. A seven degree of freedom simulated elevator runaway platform according to claim 2, characterized in that: The four-axis synchronous trapezoidal screw lifting mechanism further comprises a shock-absorbing foot pad and an upper electrical box; The shock-absorbing foot pad is mounted on the screw lifting lower platform; The upper electrical box is mounted on the screw lifting lower platform and located on the side of the servo motor.

4. A seven degree of freedom simulated elevator runaway platform according to claim 1, wherein: The four-axis synchronous trapezoidal screw lifting mechanism further comprises an L-shaped support; The L-shaped support is provided with a plurality of L-shaped supports corresponding mounted between the screw lifting lower platform and the plurality of trapezoidal screw lifting machines.

5. A seven degree of freedom simulated elevator runaway platform according to claim 1, wherein: The six-degree-of-freedom platform mechanism comprises a six-degree-of-freedom lower platform, a six-degree-of-freedom upper platform, a horizontal hook joint and a servo electric cylinder; The six-degree-of-freedom upper platform is connected with the screw lifting lower platform; The horizontal hook joint is provided with a plurality of groups of horizontal hook joints corresponding mounted at predetermined positions on the six-degree-of-freedom lower platform and the six-degree-of-freedom upper platform; The servo electric cylinder is provided with a plurality of servo electric cylinders corresponding mounted between the plurality of groups of horizontal hook joints.

6. A seven degree of freedom simulated elevator runaway platform according to claim 5, characterized in that: The six-degree-of-freedom platform mechanism further comprises a lower electrical box; The lower electrical box is mounted on the six-degree-of-freedom lower platform.

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