CN220339358U - Elevator toe guard deflection measuring device - Google Patents
Elevator toe guard deflection measuring device Download PDFInfo
- Publication number
- CN220339358U CN220339358U CN202321953352.XU CN202321953352U CN220339358U CN 220339358 U CN220339358 U CN 220339358U CN 202321953352 U CN202321953352 U CN 202321953352U CN 220339358 U CN220339358 U CN 220339358U
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- 238000005259 measurement Methods 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a deformation measuring device for an elevator toe guard, which comprises a frame and a loading measuring assembly; the frame is used for hanging the loading measurement assembly at the bottom of the car and driving the loading measurement assembly to adjust the relative position of the loading measurement assembly and the foot guard plate up/down; the loading measurement assembly is used for applying pressure to the foot protection plate and measuring the deformation of the foot protection plate after the pressure is applied. According to the utility model, the frame is arranged, so that the whole device can be quickly fixed in the car during measurement, and meanwhile, the measuring position can be adjusted up and down by loading the measuring assembly, thereby facilitating the measurement of foot protection plates with different specifications; the deformation of the foot guard plate can be obtained only by loading the rotation angles of the front rocker arm and the rear rocker arm through the encoder foot guard plate in the measurement process, and the measurement is quick and accurate; and the quantitative loading and the angle detection of the encoder are realized through the motor with constant torque, so that the detection work of the elevator is more scientific and reliable.
Description
Technical Field
The utility model relates to the technical field of elevator detection devices, in particular to a deformation measuring device for an elevator foot guard.
Background
In the safety regulations for elevator manufacture and installation (GB 7588-2003), the mechanical strength of an elevator car, a car door, a foot guard plate and the like must meet the specified requirements, the foot guard plate is arranged at the lower part of the elevator car, 300N of force is applied to the lower edge of the foot guard plate, the loading area of the force is a circle or square with the size of 5cm, and the deformation amount cannot be larger than 35mm. It is often difficult to quantitatively operate in the detection of an elevator, which is often ignored in the actual detection, and thus the elevator may have a safety hazard.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the deformation measuring device for the foot guard plates of the elevator, which can be quickly fixed on a car during measurement by arranging a frame, and meanwhile, the measuring position can be adjusted up and down by loading a measuring component, so that the foot guard plates with different specifications can be conveniently measured; the deformation of the foot guard plate can be obtained only by loading the rotation angles of the front rocker arm and the rear rocker arm through the encoder foot guard plate in the measurement process, and the measurement is quick and accurate; and the quantitative loading and the angle detection of the encoder are realized through the motor with constant torque, so that the detection work of the elevator is more scientific and reliable.
The aim of the utility model is realized by the following technical scheme:
the deformation measuring device of the elevator toe guard comprises a frame and a loading measuring assembly;
the frame is used for hanging the loading measurement assembly at the bottom of the car and driving the loading measurement assembly to adjust the relative position of the loading measurement assembly and the foot guard plate up/down;
the loading measurement assembly is used for applying pressure to the foot protection plate and measuring the deformation of the foot protection plate after the pressure is applied.
Further, the loading measurement assembly comprises a rocker arm and a driving piece, wherein one end of the rocker arm is provided with a loading head, the other end of the rocker arm is in transmission connection with the driving piece, and the driving piece drives the rocker arm to rotate to load the foot protection plate;
the driving piece is provided with an angle measuring piece for measuring the rotation angle of the rocker arm.
Further, the driving piece is a motor, the angle measuring piece is an encoder, and the angle measuring piece is arranged on an output shaft of the driving piece.
Further, the loading head is of a cylindrical structure, and the loading head is hinged with the rocker arm.
Further, two lug plates are arranged on one side, close to the rocker arm, of the loading head, and the loading head is connected with the rocker arm through the two lug plates and the connecting shaft.
Further, the frame comprises a transverse clamping part, a longitudinal connecting part and a reciprocating part arranged on the longitudinal connecting part, and the transverse clamping part and the longitudinal connecting part are vertically connected to form a T-shaped structure;
the transverse clamping part is clamped with the car;
the loading measuring assembly is connected with the reciprocating piece through a connecting plate.
Further, the reciprocating member is a linear guide rail.
The beneficial effects of the utility model are as follows:
according to the utility model, the frame is arranged, so that the whole device can be quickly fixed in the car during measurement, and meanwhile, the measuring position can be adjusted up and down by loading the measuring assembly, thereby facilitating the measurement of foot protection plates with different specifications; the deformation of the foot guard plate can be obtained only by loading the rotation angles of the front rocker arm and the rear rocker arm through the encoder foot guard plate in the measuring process, and the measuring is rapid and accurate.
Drawings
Fig. 1 is a use state diagram of an elevator toe guard deformation measuring device in an embodiment of the present utility model;
fig. 2 is a schematic diagram of a position relationship between a foot guard board and a foot guard board of an elevator according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a load cell assembly;
FIG. 4 is a schematic diagram of the load measurement assembly and the toe guard prior to loading;
FIG. 5 is a schematic view of the loaded measurement assembly and the toe guard;
in the figure, 1, a rack; 2. loading a measuring assembly; 3. a car; 4. foot protection plates; 5. a rocker arm; 6. a driving member; 7. a loading head; 8. an angle measuring member; 9. ear plates; 10. a transverse clamping part; 11. a longitudinal connecting portion; 12. and a reciprocating member.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1-5, the present utility model provides a technical solution:
examples:
as shown in fig. 1 to 5, an elevator toe guard deformation measuring device comprises a frame 1 and a loading measuring assembly 2;
the frame 1 is used for hanging the loading measurement assembly 2 at the bottom of the car 3 and driving the loading measurement assembly 2 to adjust the relative position of the loading measurement assembly 2 and the foot protection plate 4 up/down;
the loading measuring component 2 is used for applying pressure to the foot protection plate 4 and measuring the deformation of the foot protection plate 4 after the pressure is applied.
The loading measurement assembly 2 comprises a rocker arm 5 and a driving piece 6, wherein one end of the rocker arm 5 is provided with a loading head 7, the other end of the rocker arm 5 is in transmission connection with the driving piece 6, and the driving piece 6 drives the rocker arm 5 to rotate to load the foot protection plate 4;
the driving member 6 is provided with an angle measuring member 8 for measuring the rotation angle of the rocker arm 5.
The driving piece 6 is a motor, the angle measuring piece 8 is an encoder, and the angle measuring piece 8 is arranged on an output shaft of the driving piece 6.
The loading head 7 is of a cylindrical structure, and the loading head 7 is hinged with the rocker arm 5.
Two lug plates 9 are arranged on one side, close to the rocker arm 5, of the loading head 7, and the loading head 7 is connected with the rocker arm 5 through the two lug plates 9 and a connecting shaft.
The machine frame 1 comprises a transverse clamping part 10, a longitudinal connecting part 11 and a reciprocating piece 12 arranged on the longitudinal connecting part 11, wherein the transverse clamping part 10 and the longitudinal connecting part 11 are vertically connected to form a T-shaped structure;
the transverse clamping part 10 is clamped with the car 3;
the load cell assembly 2 is connected to the shuttle 12 by a connecting plate.
The reciprocating member 12 is a linear guide.
The angle measuring device further comprises a singlechip, wherein the singlechip is electrically connected with the angle measuring piece 8 and is used for reading the angle value of the angle measuring piece 8.
Wherein, vertical connecting portion 11 bottom is provided with the bracing piece, and bracing piece bottom jack-prop building further provides the support for frame 1, guarantees the stability of measuring process frame 1.
Working principle: the driving part 6 drives the rocker arm 5 to apply pressure to the foot guard plate 4, an angle measuring part 8 (encoder) is arranged on an output shaft of the driving part 6, the rotation angle of the output shaft of the driving part 6 is measured, a singlechip is adopted to read the numerical value of the angle on the encoder, the length of the rocker arm 5 is a fixed value, and the deformation amount of the foot guard plate 4 is obtained through the calculation of the angle change.
The heights of the elevator toe guards 4 with different specifications are different, and the positions of the loading heads 7 are manually adjusted by adopting linear guide rails, so that the loading heads 7 act on the lower edges of the toe guards 4. The specific working process is as follows:
(1) The device is integrally placed in the car 3, the transverse clamping part 10 of the frame 1 is hung at the bottom of the car 3, and the longitudinal connecting part 11, the reciprocating part 12 thereon and the loading measuring assembly 2 on the reciprocating part 12 are inserted into a gap between the car 3 and a building.
(2) The starting device, the driving piece 6 acts, the driving piece 6 drives the rocker arm 5 to move, as shown in fig. 4, when the loading head 7 and the foot guard plate 4 start to contact, the angle value of the encoder on the motor shaft is recorded, and the angle value is marked as a.
(3) The driving member 6 continues to operate, and at this time, the driving member 6 applies a constant load 300N to the toe guard 4 by using a constant torque motor, and waits for the angle value on the angle measuring member 8 to be unchanged, as shown in fig. 5, the angle in the code disc of the angle measuring member 8 is read and denoted as b.
(4) In which the length of the rocker arm 5 is a fixed value L, the deformation amount of the toe guard 4 is d=lcos (b) -Lcos (a).
And (3) when the value obtained by the D in the step (4) is larger than 35mm, the quality of the foot protection plate 4 is unqualified.
According to the utility model, the frame is arranged, so that the whole device can be quickly fixed in the car during measurement, and meanwhile, the measuring position can be adjusted up and down by loading the measuring assembly, thereby facilitating the measurement of foot protection plates with different specifications; the deformation of the foot guard plate can be obtained only by loading the rotation angles of the front rocker arm and the rear rocker arm through the encoder foot guard plate in the measurement process, and the measurement is quick and accurate; and the quantitative loading and the angle detection of the encoder are realized through the motor with constant torque, so that the detection work of the elevator is more scientific and reliable.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (7)
1. Elevator toe guard deformation measuring device, its characterized in that: comprises a frame and a loading measurement assembly;
the frame is used for hanging the loading measurement assembly at the bottom of the car and driving the loading measurement assembly to adjust the relative position of the loading measurement assembly and the foot guard plate up/down;
the loading measurement assembly is used for applying pressure to the foot protection plate and measuring the deformation of the foot protection plate after the pressure is applied.
2. The elevator toe guard deformation measuring device according to claim 1, wherein: the loading measurement assembly comprises a rocker arm and a driving piece, wherein one end of the rocker arm is provided with a loading head, the other end of the rocker arm is in transmission connection with the driving piece, and the driving piece drives the rocker arm to rotate to load the foot protection plate;
the driving piece is provided with an angle measuring piece for measuring the rotation angle of the rocker arm.
3. The elevator toe guard deformation measuring device according to claim 2, characterized in that: the driving piece is a motor, the angle measuring piece is an encoder, and the angle measuring piece is arranged on an output shaft of the driving piece.
4. The elevator toe guard deformation measuring device according to claim 2, characterized in that: the loading head is of a cylindrical structure, and the loading head is hinged with the rocker arm.
5. The elevator toe guard deformation measuring device of claim 4, wherein: two lug plates are arranged on one side, close to the rocker arm, of the loading head, and the loading head is connected with the rocker arm through the two lug plates and the connecting shaft.
6. The elevator toe guard deformation measuring device according to any one of claims 1 to 5, characterized in that: the machine frame comprises a transverse clamping part, a longitudinal connecting part and a reciprocating part arranged on the longitudinal connecting part, and the transverse clamping part and the longitudinal connecting part are vertically connected to form a T-shaped structure;
the transverse clamping part is clamped with the car;
the loading measuring assembly is connected with the reciprocating piece through a connecting plate.
7. The elevator toe guard deformation measuring device of claim 6, wherein: the reciprocating member is a linear guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321953352.XU CN220339358U (en) | 2023-07-24 | 2023-07-24 | Elevator toe guard deflection measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321953352.XU CN220339358U (en) | 2023-07-24 | 2023-07-24 | Elevator toe guard deflection measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220339358U true CN220339358U (en) | 2024-01-12 |
Family
ID=89443425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321953352.XU Active CN220339358U (en) | 2023-07-24 | 2023-07-24 | Elevator toe guard deflection measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220339358U (en) |
-
2023
- 2023-07-24 CN CN202321953352.XU patent/CN220339358U/en active Active
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