CN113865849B - Elevator landing door strength test system - Google Patents
Elevator landing door strength test system Download PDFInfo
- Publication number
- CN113865849B CN113865849B CN202111166855.8A CN202111166855A CN113865849B CN 113865849 B CN113865849 B CN 113865849B CN 202111166855 A CN202111166855 A CN 202111166855A CN 113865849 B CN113865849 B CN 113865849B
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- elevator landing
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of safety detection of elevator landing doors, and particularly relates to an elevator landing door strength test system; the utility model comprises an impact assembly, a mounting assembly and a detection assembly which are sequentially arranged, wherein the impact assembly comprises a first base, an electromagnetic track arranged on the first base, an electromagnetic slide block connected with the electromagnetic track in a sliding way, a rotating seat arranged at the top of the electromagnetic slide block, a support connected with the rotating seat in a rotating way, a first vertical guide rail arranged on the outer side wall of the support, a vertical slide block connected with the first vertical guide rail in a sliding way, a hinged support arranged at the outer end of the vertical slide block, a rotating block connected with the hinged support in a rotating way and a collision rod movably arranged on the rotating block, the mounting assembly comprises a second base, a pair of second vertical guide rails and a pair of horizontal rods, and the detection assembly comprises a third base and a detection plate; the utility model can effectively solve the problems of limited measurement data, poor display of measurement results and the like in the prior art.
Description
Technical Field
The utility model relates to the technical field of safety detection of elevator landing doors, in particular to an elevator landing door strength test system.
Background
The first part of a flat passenger to reach when taking a vertical elevator is the landing door of the elevator. The landing door is used for tightly closing the entrance and the exit of each floor hoistway, and preventing passengers from contacting with components in the hoistway on the floors, thereby avoiding the accidents of shearing or falling into the hoistway.
As a modern vehicle, the number of elevators has risen year by year, and their safety has also been receiving increasing attention from the public. In recent years, as several elevator landing door accidents are exposed, the mechanical strength problem of landing doors is also gaining importance
The application number is: patent document CN201620954287.6 discloses a testing device for elevator landing door mechanical strength, comprising a test stand, wherein: the test frame is provided with a landing door fixing device, a pendulum and a trigger device, the landing door fixing device is arranged on one side of the test frame to fix a landing door to be tested, the pendulum is hung at the top of the front of the landing door fixing device through a steel wire rope, the pendulum is enabled to be positioned at the center of the landing door to be tested at the contact point of the landing door to be tested, the horizontal distance between the pendulum and the landing door to be tested is smaller than 15mm, and the pendulum is connected with the trigger device through pulling. The utility model effectively solves the reliability problem of the elevator landing door in practice, can evaluate and test landing doors with various types and various parameter characteristics, and improves the safety performance of the elevator landing door.
However, the following disadvantages still exist in the practical application process:
first, the measurement data is limited because it only detects the force deformation of the elevator landing door under dynamic impact force, but not the force deformation of the elevator landing door under static pressure.
Second, the measurement results are not well displayed because the user cannot see the amount of depression after the landing door is bumped (especially if the depression is small in size, it is less likely to be found); meanwhile, a user cannot obtain a dynamic curve of deformation of the elevator landing door along with the change of external force in the test process.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an elevator landing door strength test system aiming at the defects of the prior art.
In order to solve the technical problems, the elevator landing door strength test system comprises an impact assembly, a mounting assembly and a detection assembly which are sequentially arranged;
the impact assembly comprises a first base, an electromagnetic track arranged on the first base, an electromagnetic sliding block slidingly connected to the electromagnetic track, a rotating seat arranged at the top of the electromagnetic sliding block, a support rotationally connected to the rotating seat, a first vertical guide rail arranged on the outer side wall of the support, a vertical sliding block slidingly connected to the first vertical guide rail, a hinged seat arranged at the outer end of the vertical sliding block, a rotating block rotationally connected to the hinged seat and a collision rod movably arranged on the rotating block;
the mounting assembly comprises a second base, a pair of second vertical guide rails which are vertically and symmetrically arranged on the second base, and a pair of horizontal rods which are movably arranged between the two second vertical guide rails;
the detection assembly comprises a third base and a detection plate erected on the third base.
As a possible implementation manner, further, longitudinal guide rails are arranged on the side walls of the contact ends of the first base and the third base and the second base, the travel direction of the longitudinal guide rails is horizontal and perpendicular to the travel direction of the electromagnetic rail, two longitudinal sliding blocks are symmetrically arranged on the second base, and the two longitudinal sliding blocks are respectively in sliding connection with the corresponding longitudinal guide rails.
As a possible implementation manner, further, the outer ends of the first base and the third base are respectively provided with a longitudinal motor, the output end of the longitudinal motor is provided with a longitudinal screw, the rod body of the longitudinal screw is movably connected in the corresponding longitudinal guide rail in a penetrating manner, and the rod body of the longitudinal screw is also connected in a longitudinal screw groove on the corresponding longitudinal sliding block in a threaded manner.
As a possible implementation manner, further, a group of locking screw grooves perpendicular to the central axis are formed in the support, locking screw rods matched with the locking screw grooves are in threaded connection with the locking screw grooves, and the acting ends of the locking screw rods are abutted against the rotating seat.
As a possible implementation manner, further, the end parts of the acting ends of the locking screws are respectively and rotatably connected with a movable head, and the acting surfaces of the acting ends of the movable heads are respectively provided with an anti-slip pad body matched with the acting surfaces of the acting ends of the movable heads.
As a possible implementation manner, further, a group of deceleration springs are symmetrically arranged on the side wall of the stroke end of the electromagnetic track, and the other ends of the deceleration springs are all fixed on the same deceleration plate.
As a possible implementation manner, the first vertical guide rail is further symmetrically provided with a group of first round holes along the travel direction, the vertical sliding block is penetrated with a first round groove matched with the positioning hole, and the vertical sliding block is fixed on the first vertical guide rail through a first bolt and a first nut matched with the first round hole and the first round groove; a pressure sensor is arranged between the rotating block and the plunger rod.
As a possible embodiment, further, the left and right ends of the striker are detachably provided with impact heads.
As a possible implementation manner, further, a group of second round holes are formed in the second vertical guide rail along the travel direction of the second vertical guide rail, second round grooves matched with the second round holes are formed in the end portions of the two horizontal ends in a penetrating mode, the horizontal rods are fixed on the two second vertical guide rails through second bolts and second nuts matched with the second round holes, longitudinal clamping grooves are formed in the bottom walls, close to each other, of the horizontal rods, clamping screw grooves for conducting the clamping grooves are symmetrically formed in the side walls of the rear ends of the horizontal rods, clamping bolts are connected in the clamping screw grooves in a threaded mode, all the clamping bolts on the same horizontal rods are connected to the same limiting plate in a rotating mode, and the limiting plate is arranged in the clamping grooves.
As a possible implementation manner, further, the detection plate is closely provided with a distance sensor on the plate surface near one end of the second base.
The utility model adopts the technical scheme and has the following beneficial effects:
1. the utility model relates to a device for detecting the impact of a motor vehicle, which comprises an impact assembly, a mounting assembly and a detection assembly, wherein the impact assembly comprises a first base, an electromagnetic track arranged on the first base, an electromagnetic sliding block slidingly connected with the electromagnetic track, a rotating seat arranged at the top of the electromagnetic sliding block, a support rotationally connected with the rotating seat, a first vertical guide rail arranged on the outer side wall of the support, a vertical sliding block slidingly connected with the first vertical guide rail, a hinged seat arranged at the outer end of the vertical sliding block, a rotating block rotationally connected with the hinged seat and a striker movably mounted on the rotating block, and the mounting assembly comprises a second base, a pair of second vertical guide rails which are vertically arranged on the second base in a front-back symmetrical mode and a pair of horizontal rods which are movably mounted between the two second vertical guide rails. Therefore, a user can fix the elevator landing door through the installation component, then the user sets an impact area, an area of the impact area, the shape and the material of an impact object, impact force and the impact direction through the impact component, and meanwhile, the user can also select a detection mode for dynamic impact and static pressure application on the elevator landing door. The effect that the product of the utility model can effectively improve the data under various stress conditions is achieved.
2. According to the utility model, the impact assembly, the mounting assembly and the detection assembly are sequentially arranged, wherein the detection assembly comprises a third base and a detection plate erected on the third base, and the design of a distance sensor is densely distributed on the plate surface of the detection plate, which is close to one end of the second base. The external controller can monitor the deformation quantity of the back of the elevator landing door in real time through the detection board, draw deformation quantity change curves of all points of the back of the elevator landing door along with time, then convert the deformation quantity curves of the front of the elevator landing door at the position of the impacted point through a special algorithm, and finally output the measurement result on a display screen of a computer in real time. The effect of enabling the product to have better measurement result display is achieved.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a pictorial view of the present utility model at a first viewing angle;
FIG. 2 is an exploded view of the impact assembly of the present utility model, shown partially in section, at a second view angle;
FIG. 3 is an exploded view of the mounting assembly at a third perspective of the present utility model;
FIG. 4 is an exploded view, partially in section, of a sensing assembly at a fourth view angle in accordance with the present utility model;
FIG. 5 is an exploded view of the lock bolt of the present utility model with portions broken away from a fifth perspective;
fig. 6 is a visual view of the horizontal bar at a sixth view angle of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 6, the present utility model provides an elevator landing door strength test system, comprising an impact assembly, a mounting assembly and a detection assembly, which are sequentially arranged; the impact assembly comprises a first base 1, an electromagnetic track 2 arranged on the first base 1, an electromagnetic sliding block 3 slidingly connected with the electromagnetic track 2, a rotating seat 4 arranged at the top of the electromagnetic sliding block 3, a support column 5 rotatably connected with the rotating seat 4, a first vertical guide rail 6 arranged on the outer side wall of the support column 5, a vertical sliding block 7 slidingly connected with the first vertical guide rail 6, a hinged seat 8 arranged at the outer end of the vertical sliding block 7, a rotating block 9 rotatably connected with the hinged seat 8 and a striker 10 movably arranged on the rotating block 9; the mounting assembly comprises a second base 11, a pair of second vertical guide rails 12 which are erected on the second base 11 in a front-back symmetrical manner, and a horizontal rod 13 which is movably mounted between the two second vertical guide rails 12; the detection assembly includes a third base 14 and a detection plate 15 standing on the third base 14.
Longitudinal guide rails 16 are arranged on the side walls of the contact ends of the first base 1 and the third base 14 and the second base 11, the travel direction of the longitudinal guide rails 16 is horizontal and vertical to the travel direction of the electromagnetic rail 2, two longitudinal sliding blocks 17 are symmetrically arranged on the second base 11, and the two longitudinal sliding blocks 17 are respectively in sliding connection with the corresponding longitudinal guide rails 16; the outer ends of the first base 1 and the third base 14 are respectively provided with a longitudinal motor 18, the output end of the longitudinal motor 18 is provided with a longitudinal screw rod 19, the rod bodies of the longitudinal screw rods 19 are movably connected in the corresponding longitudinal guide rails 16 in a penetrating manner, and the rod bodies of the longitudinal screw rods 19 are also connected in the longitudinal screw grooves 20 on the corresponding longitudinal sliding blocks 17 in a threaded manner. In this way, the user can control the second base 11 to move in the longitudinal direction by the longitudinal motor 18, so that the elevator landing door 37 fixed on the mounting assembly has a longitudinal offset relative to the impact assembly, and thus the impact assembly can have an impact action point on the whole surface of the elevator landing door 37.
The support post 5 is provided with a group of locking screw grooves 21 perpendicular to the central axis, the locking screw grooves 21 are all in threaded connection with locking screw rods 22 matched with the locking screw grooves, and the acting ends of the locking screw rods 22 are all propped against the rotating seat 4, so that a user can fix the rotating seat 4 of the support post 5 through the locking screw rods 22, thereby preventing the support post 5 from rotating on the rotating seat 4, and ensuring that the impact assembly is unchanged in the impact direction of the elevator landing door 37; the end parts of the acting ends of the locking screw rods 22 are respectively and rotatably connected with a movable head 23, and the acting surfaces of the acting ends of the movable heads 23 are respectively provided with an anti-slip pad body 24 matched with the acting ends of the movable heads, so that the mechanical damage of the locking screw rods 22 to the rotating seat 4 can be effectively reduced.
The side wall at the stroke end of the electromagnetic track 2 is symmetrically provided with a group of deceleration springs 25, and the other ends of the deceleration springs 25 are fixed on the same deceleration plate 26, so that the dangerous phenomenon that the electromagnetic sliding block 3 directly impacts the first base 1 can be effectively prevented, and the deceleration springs 25 and the deceleration plate 26 are made of non-magnetic metal materials.
The first vertical guide rail 6 is symmetrically provided with a group of first round holes along the travel direction, the vertical sliding block 7 is penetrated with a first round groove matched with the positioning hole, the vertical sliding block 7 is fixed on the first vertical guide rail 6 through a first bolt 27 and a first nut 28 matched with the first round hole and the first round groove, so that a user can fix the height of the hinged support 8 in the vertical direction, thereby ensuring that the direction of the impact assembly when impacting the elevator landing door 37 is unchanged (note that a limiting device for limiting the angle of the rotating block 9 on the hinged support 8 is also arranged on the hinged support 8).
The pressure sensor 29 is arranged between the rotating block 9 and the ram 10, so that an external controller can monitor the actual impact force of the ram 10 on the elevator landing door 37 in real time through the pressure sensor 29.
The left and right ends of the striker 10 are detachably provided with the striking heads 30, wherein the striking heads 30 can be different in material, quality and shape, so that the situation that the elevator landing door 37 is struck in real life can be more accurately and comprehensively simulated.
The second vertical guide rail 12 is provided with a group of second round holes along the travel direction, the end parts of the two horizontal ends are penetrated with second round grooves matched with the second round holes, the horizontal rods 13 are fixed on the two second vertical guide rails 12 through second bolts 31 and second nuts 32 matched with the second round holes, longitudinal clamping grooves 33 are formed in the bottom walls of the two horizontal rods 13, which are close to each other, the side walls of the rear ends of the horizontal rods 13 are symmetrically provided with a group of clamping screw grooves for conducting the clamping grooves 33, clamping bolts 34 are in threaded connection with the clamping screw grooves, all the clamping bolts 34 on the same horizontal rod 13 are rotationally connected to the same limiting plate 35, and the limiting plate 35 is arranged in the clamping grooves 33, so that users can reliably fix the elevator landing doors 37 of different models on the installation assembly.
The detecting board 15 is densely provided with the distance sensor 36 on the board surface close to one end of the second base 11, so that the external controller can monitor the deformation of the back surface of the elevator landing door 37 in real time through the detecting board 15, draw deformation change curves of points on the back surface of the elevator landing door 37 along with time, then convert the deformation change curves of the positions of the front impact points of the elevator landing door 37 through a special algorithm, and finally output the measured results on a display screen of a computer in real time.
While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (7)
1. An elevator landing door strength test system which is characterized in that: the device comprises an impact assembly, a mounting assembly and a detection assembly which are sequentially arranged;
the impact assembly comprises a first base, an electromagnetic track arranged on the first base, an electromagnetic sliding block slidingly connected to the electromagnetic track, a rotating seat arranged at the top of the electromagnetic sliding block, a support rotationally connected to the rotating seat, a first vertical guide rail arranged on the outer side wall of the support, a vertical sliding block slidingly connected to the first vertical guide rail, a hinged seat arranged at the outer end of the vertical sliding block, a rotating block rotationally connected to the hinged seat and a collision rod movably arranged on the rotating block; a pressure sensor is arranged between the rotating block and the collision rod;
the mounting assembly comprises a second base, a pair of second vertical guide rails which are vertically and symmetrically arranged on the second base, and a pair of horizontal rods which are movably arranged between the two second vertical guide rails;
the detection assembly comprises a third base and a detection plate erected on the third base; a distance sensor is densely distributed on the plate surface of the detection plate, which is close to one end of the second base;
longitudinal guide rails are arranged on the side walls of the contact ends of the first base and the third base and the second base, the travel direction of the longitudinal guide rails is horizontal and vertical to the travel direction of the electromagnetic rail, two longitudinal sliding blocks are symmetrically arranged on the second base, and the two longitudinal sliding blocks are respectively connected in the corresponding longitudinal guide rails in a sliding way; the outer ends of the first base and the third base are respectively provided with a longitudinal motor, the output end of the longitudinal motor is provided with a longitudinal screw rod, the rod bodies of the longitudinal screw rods are movably connected in the corresponding longitudinal guide rails in a penetrating manner, and the rod bodies of the longitudinal screw rods are further connected in the longitudinal screw grooves on the corresponding longitudinal sliding blocks in a threaded manner.
2. The elevator landing door strength test system according to claim 1, wherein a group of locking screw grooves perpendicular to the central axis are formed in the supporting column, locking screw rods matched with the locking screw grooves are in threaded connection with the locking screw grooves, and the acting ends of the locking screw rods are abutted against the rotating seat.
3. The elevator landing door strength test system according to claim 2, wherein the ends of the locking screw action ends are all rotatably connected with movable heads, and the action surfaces of the movable heads action ends are all provided with anti-slip pad bodies matched with the movable heads.
4. The elevator landing door strength test system according to claim 1, wherein a set of deceleration springs are symmetrically arranged on the side wall at the end of the electromagnetic track stroke, and the other ends of the deceleration springs are all fixed on the same deceleration plate.
5. The elevator landing door strength test system according to claim 1, wherein the first vertical guide rail is symmetrically provided with a set of first round holes along the travel direction, a first round groove matched with the positioning hole is penetrated through the vertical sliding block, and the vertical sliding block is fixed on the first vertical guide rail through a first bolt and a first nut matched with the first round hole and the first round groove.
6. The elevator landing door strength test system of claim 5, wherein the striker bars have striker heads removably mounted at the left and right ends thereof.
7. The elevator landing door strength test system according to claim 1, wherein a group of second round holes are formed in the second vertical guide rail along the travel direction of the second vertical guide rail, second round grooves matched with the second round holes are formed in the end portions of the two horizontal ends, the horizontal rods are fixed on the two second vertical guide rails through second bolts and second nuts matched with the second round holes, longitudinal clamping grooves are formed in bottom walls, close to each other, of the two horizontal rods, a group of clamping screw grooves for conducting the clamping grooves are symmetrically formed in the side walls of the rear ends of the horizontal rods, clamping bolts are connected in the clamping screw grooves in a threaded mode, all the clamping bolts on the same horizontal rods are connected to the same limiting plate in a rotating mode, and the limiting plate is arranged in the clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111166855.8A CN113865849B (en) | 2021-09-30 | 2021-09-30 | Elevator landing door strength test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111166855.8A CN113865849B (en) | 2021-09-30 | 2021-09-30 | Elevator landing door strength test system |
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| CN113865849A CN113865849A (en) | 2021-12-31 |
| CN113865849B true CN113865849B (en) | 2023-10-31 |
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| CN202111166855.8A Active CN113865849B (en) | 2021-09-30 | 2021-09-30 | Elevator landing door strength test system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117232998B (en) * | 2023-11-10 | 2024-01-23 | 苏州施耐德电梯有限公司 | Elevator landing door strength detection device |
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| CN113865849A (en) | 2021-12-31 |
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