Elevator door bearing strength detection device

Abstract

The utility model relates to an elevator door bearing strength detection device, which belongs to the technical field of elevator equipment detection, and comprises a portal frame, a transverse sliding plate, a transverse translation mechanism, a mounting frame, a pressure applying oil cylinder, a detection pressure head, a working table and a longitudinal translation mechanism, a limiting clamping groove is formed in the side wall of the front end of the containing concave table, and a limiting clamping plate is arranged in the limiting clamping groove. According to the utility model, the transverse translation mechanism and the longitudinal translation mechanism cooperate with each other, so that the detection pressure head can carry out multi-point detection on the elevator door, and the accuracy and comprehensiveness of the detection result are greatly improved. The open groove is formed in the workbench, the containing concave table is arranged on the outer side of the open groove, the elevator door is supported through the containing concave table, the elevator door is firmer and better prevented from being broken, the containing concave table extends to the front side of the workbench, the workbench can be moved forwards to be away from the portal frame in cooperation with the longitudinal translation mechanism, and installation of the elevator door is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to an elevator door pressure bearing strength detection device and belongs to the technical field of elevator equipment detection. BACKGROUND

[0002] As an indispensable vertical transport tool in modern buildings, the safety of elevators is of great importance. As a component directly contacting passengers and frequently opening and closing, the elevator door needs to have sufficient pressure bearing strength to prevent deformation or damage in unexpected situations, such as passenger leaning, external impact, etc., and thus to protect the personal safety of passengers.

[0003] At present, the common elevator door pressure bearing strength detection device can only detect a certain position of the elevator and cannot detect multiple points, resulting in inaccurate detection. In addition, when the elevator door is pressed through the clamping piece, it is easy to cause breakage. SUMMARY

[0004] The utility model provides an elevator door pressure bearing strength detection device to solve the problems in the above background technology.

[0005] The utility model relates to an elevator door pressure bearing strength detection device, including two parallelly arranged gantry, the top of gantry is equipped with horizontal slide, horizontal slide is connected with the horizontal translation mechanism of driving its left and right movement, the bottom of horizontal slide is fixed with mounting bracket, mounting bracket is fixed with pressure cylinder on, the bottom of pressure cylinder is fixed with detection pressure head, the below of gantry is equipped with work table, work table is connected with the longitudinal translation mechanism of driving its front and back movement, the middle part of work table is equipped with square open slot, the top outside of open slot is equipped with the recessed platform of placing, the front end of recessed platform extends to the front end part of work table, the front end side wall of recessed platform is equipped with limit slot, and limit slot is equipped with limit clamping plate in.

[0006] As a kind of preferred, the front and back end of recessed platform left and right sides is fixed with support column, support column is equipped with adjusting sleeve, adjusting sleeve is equipped with locking bolt on, L-shaped connecting rod is fixed on the outer side wall of adjusting sleeve, and the other end bottom of connecting rod is fixed with pressure block. Adjustable pressure block height, can be flexibly adjusted according to the thickness of elevator door, and when elevator door is placed, pressure block can be rotated to the side away from recessed platform of placing, prevent hindering elevator door from being placed into recessed platform of placing.

[0007] As a kind of preferred, the bottom of recessed platform of placing is equipped with installation groove along front and back direction, a plurality of support rollers are rotatably installed in installation groove along front and back direction, when elevator door is placed into and slides out recessed platform of placing, can roll and support elevator door, facilitate moving elevator door, and reduce the damage of elevator door.

[0008] As a kind of preferred, the transverse translation mechanism includes the transverse sliding rail fixed at the top of the two portal frames, the transverse sliding block is provided on the transverse sliding rail, the top of the transverse sliding block is fixedly connected with the transverse sliding plate, the top of the transverse sliding plate is fixedly connected with the transverse nut, the transverse nut is threadedly connected with the transverse screw rod, the both ends of the transverse screw rod are rotatably installed with the support, the bottom of the support is fixedly connected with the first support plate, the front and rear ends of the first support plate are fixed on the front and rear two portal frames respectively, and one end of the transverse screw rod is fixedly connected with the first driving motor.

[0009] As a kind of preferred, the longitudinal translation mechanism includes the longitudinal sliding plate, the bottom of the workbench is fixedly connected with the supporting leg column, the bottom of the supporting leg column is fixed with the longitudinal sliding plate, the bottom of the longitudinal sliding plate is fixedly connected with the longitudinal sliding block, the lower part of the longitudinal sliding block is connected with the longitudinal sliding rail, the bottom of the longitudinal sliding rail is fixedly connected with the bottom plate, the middle of the bottom of the longitudinal sliding plate is fixedly connected with the longitudinal nut, the longitudinal nut is threadedly connected with the longitudinal screw rod, the longitudinal screw rod is rotatably installed on the bottom plate, and one end of the longitudinal screw rod is fixedly connected with the second driving motor.

[0010] As a kind of preferred, the detection pressure head is provided with a pressure sensor, a laser sensor is arranged below the detection pressure head, the bottom of the laser sensor is fixedly connected with a sliding sleeve, a guide rod is arranged in the sliding sleeve, the both ends of the guide rod are fixedly connected with the second support plate, the front and rear ends of the second support plate are fixed on the two portal frames respectively, the bottom of the sliding sleeve is fixedly connected with an adjusting nut, the adjusting nut is connected with an adjusting screw rod, the both ends of the adjusting screw rod are rotatably installed on the second support plate, and one end of the adjusting screw rod is fixedly connected with an adjusting motor. The applied pressure can be detected by the pressure sensor, and the deformation of the elevator door when the pressure is applied can be detected by the laser sensor, so as to provide reliable data for evaluating the pressure bearing strength of the elevator door and facilitate scientific judgment of the safety performance.

[0011] The utility model has the following beneficial effects:

[0012] Realize multi-point detection: the transverse translation mechanism and the longitudinal translation mechanism cooperate with each other, can make the detection pressure head carry out multi-point detection to the elevator door, make up the deficiency that only single-point detection of the prior art device, greatly improve the accuracy and comprehensiveness of the detection result.

[0013] By setting the open slot on the workbench, the placing recess is arranged outside the open slot, the elevator door is supported by the placing recess, is more firm, prevents the fracture better, and the placing recess extends to the front side of the workbench, cooperates with the longitudinal translation mechanism, can move the workbench forward, far away from the portal frame, the installation of the elevator door is convenient. ACCURATE DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front structure schematic diagram of the utility model;

[0015] Figure 2 It is the top structure schematic diagram of the workbench;

[0016] Figure 3 for Figure 1 Enlarged structural diagram at point A;

[0017] Figure 4 This is a schematic diagram of the main structure for mounting the laser sensor.

[0018] In the diagram: 1. Transverse lead screw; 2. Transverse slide rail; 3. Gantry frame; 4. Transverse slide plate; 5. Drive motor one; 6. Mounting bracket; 7. Pressure cylinder; 8. Detection head; 9. Support column; 10. Adjusting sleeve; 11. Connecting rod; 12. Worktable; 13. Longitudinal slide plate; 14. Base plate; 15. Longitudinal slide rail; 16. Longitudinal lead screw; 17. Support roller; 18. Pressure block; 19. Elevator door; 20. Support plate one; 21. Limiting plate; 22. Adjusting motor; 23. Laser sensor; 24. Support plate two; 25. Adjusting lead screw; 26. Guide rod. Detailed Implementation

[0019] The present invention will be further described below with reference to the embodiments.

[0020] Example 1, such as Figures 1 to 4 As shown, this utility model is an elevator door pressure strength testing device, including two parallel gantry frames 3. The top of the gantry frame 3 is provided with a horizontal sliding plate 4. The horizontal sliding plate 4 is connected to a horizontal translation mechanism that drives it to move left and right. The bottom of the horizontal sliding plate 4 is fixed with a mounting frame 6. The mounting frame 6 is fixed with a pressure cylinder 7. The bottom of the pressure cylinder 7 is fixed with a testing pressure head 8. The bottom of the gantry frame 3 is provided with a worktable 12. The worktable 12 is connected to a longitudinal translation mechanism that drives it to move back and forth. The middle of the worktable 12 is provided with a square opening slot. The top outer side of the opening slot is provided with a placement recess. The front end of the placement recess extends to the front end of the worktable 12. The front side wall of the placement recess is provided with a limiting slot. The limiting slot is provided with a limiting plate 21.

[0021] During operation, the longitudinal translation mechanism moves the worktable 12 forward, away from the gantry 3, and then removes the limiting plate 21. The rear end of the elevator door 19 is then placed at the front end of the placement recess, and the elevator door 19 is pushed into the placement recess. The limiting plate 21 is inserted into the limiting slot, and then the longitudinal translation mechanism moves the worktable 12 back and forth. The transverse translation mechanism moves the detection pressure head 8 left and right, and in conjunction with the downward pressure of the pressure cylinder 7, pressure is applied to multiple points on the elevator door 19 for detection. After the detection is completed, the longitudinal translation mechanism moves the worktable 12 forward, away from the gantry 3, and then pushes the elevator door 19 forward, causing the elevator door 19 to detach from the placement recess and be removed.

[0022] The embodiment 2 is based on the embodiment 1, and the front end and the rear end of the placing recess on the left and right sides are fixed with support columns 9. The support columns 9 are provided with adjusting sleeves 10. The adjusting sleeves 10 are provided with locking bolts. The outer side walls of the adjusting sleeves 10 are fixed with L-shaped connecting rods 11. The other ends of the connecting rods 11 are fixed with pressing blocks 18. When the elevator door 19 is placed in front of the placing recess, the locking bolts are loosened, the adjusting sleeves 10 are rotated, the pressing blocks 18 are rotated to the side away from the placing recess, and then the elevator door 19 can be placed. When the elevator door 19 is placed, the adjusting sleeves 10 are rotated, the pressing blocks 18 are pressed on the top of the elevator door 19, the locking bolts are tightened, and the elevator door 19 is fixed.

[0023] The bottom of the placing recess is provided with a mounting groove in the front-rear direction. A plurality of supporting rollers 17 are rotatably installed in the mounting groove in the front-rear direction. The elevator door 19 is in rolling contact with the placing recess when sliding in the mounting groove, so that the elevator door 19 is conveniently moved.

[0024] The transverse translation mechanism comprises transverse sliding rails 2 fixed on the top of the two portal frames 3. The transverse sliding rails 2 are provided with transverse sliding blocks. The top of the transverse sliding blocks is fixedly connected with a transverse sliding plate 4. The top of the transverse sliding plate 4 is fixed with a transverse nut. The transverse nut is threadedly connected with a transverse screw rod 1. The two ends of the transverse screw rod 1 are rotatably installed with supports. The bottom of the supports is fixed with a support plate one 20. The front-rear ends of the support plate one 20 are fixed on the front-rear two portal frames 3. One end of the transverse screw rod 1 is fixedly connected with a driving motor one 5. The driving motor one 5 is a servo motor. The driving motor one 5 rotates to drive the transverse screw rod 1 to rotate. Then the transverse nut drives the transverse sliding plate 4 to slide in the left-right direction, so as to move the transverse position of the detection pressure head 8.

[0025] The longitudinal translation mechanism comprises a longitudinal sliding plate 13. The bottom of the workbench 12 is fixed with supporting leg columns at four corners. The bottom of the supporting leg columns is fixed with the longitudinal sliding plate 13. The bottom of the longitudinal sliding plate 13 is fixed with a longitudinal sliding block. The lower part of the longitudinal sliding block is connected with a longitudinal sliding rail 15. The bottom of the longitudinal sliding rail 15 is fixed with a bottom plate 14. The bottom of the longitudinal sliding plate 13 is fixed with a longitudinal nut in the middle. The longitudinal nut is threadedly connected with a longitudinal screw rod 16. The longitudinal screw rod 16 is rotatably installed on the bottom plate 14. One end of the longitudinal screw rod 16 is fixed with a driving motor two. The driving motor two is a servo motor. The driving motor two rotates to drive the longitudinal screw rod 16 to rotate. Then the longitudinal nut drives the longitudinal sliding plate 13 to slide in the front-rear direction, so as to move the longitudinal position of the elevator door 19 on the workbench 12.

[0026] The pressure sensor is arranged on the detection pressure head 8, and a laser sensor 23 is arranged directly below the detection pressure head 8, the laser sensor 23 is a laser ranging sensor, the bottom of the laser sensor 23 is fixed with a sliding sleeve, a guide rod 26 is arranged in the sliding sleeve, both ends of the guide rod 26 are fixed with a second supporting plate 24, the front end and the rear end of the second supporting plate 24 are fixed on the two gantry frames 3 respectively, the bottom of the sliding sleeve is fixed with an adjusting nut, the adjusting nut is connected with an adjusting screw 25, both ends of the adjusting screw 25 are rotatably arranged on the second supporting plate 24, and one end of the adjusting screw 25 is fixed with an adjusting motor 22. The laser sensor 23 and the pressure sensor are connected with a PLC controller, the PLC controller is connected with a display screen, the adjusting motor 22, a driving motor two, a driving motor one 5 and the pressure cylinder 7. The adjusting motor 22 is rotatable, and can drive the adjusting screw 25 to rotate, so that the laser sensor 23 is driven to move transversely through the adjusting nut, the position of the laser sensor 23 corresponds to the position of the detection pressure head 8, the pressure sensor can detect the applied pressure, the laser sensor 23 can detect the deformation of the elevator door 19 in the vertical direction, and then whether the pressure bearing strength of the elevator door 19 meets the requirements is judged according to the deformation.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0028] In the description of the present application, the directions or position relationships indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular direction, therefore cannot be understood as a limitation on the present application.

Claims

1. An elevator door bearing strength detection device comprising two parallel arranged gantries (3), characterized in that: The top of the portal frame (3) is provided with a transverse sliding plate (4), the transverse sliding plate (4) is connected with a transverse translation mechanism for driving it to move left and right, the bottom of the transverse sliding plate (4) is fixedly provided with a mounting frame (6), the mounting frame (6) is fixedly provided with a pressure oil cylinder (7), the bottom of the pressure oil cylinder (7) is fixedly provided with a detection pressure head (8), the lower portion of the portal frame (3) is provided with a workbench (12), the workbench (12) is connected with a longitudinal translation mechanism for driving it to move forward and backward, the middle portion of the workbench (12) is provided with a square open slot, the top outer side of the open slot is provided with a placing recess, the front end of the placing recess extends to the front end portion of the workbench (12), the front end side wall of the placing recess is provided with a limiting clamping groove, and the limiting clamping groove is provided with a limiting clamping plate (21).

2. The elevator door pressure intensity detection device according to claim 1, characterized in that: The front and rear ends of the left and right sides of the placing recess are fixedly provided with supporting columns (9), the supporting columns (9) are provided with adjusting sleeves (10), the adjusting sleeves (10) are provided with locking bolts, the outer side walls of the adjusting sleeves (10) are fixedly provided with L-shaped connecting rods (11), and the other end bottoms of the connecting rods (11) are fixedly provided with pressing blocks (18).

3. The elevator door pressure intensity detection device according to claim 1, characterized in that: The bottom of the placing recess is provided with a mounting groove in the front and rear directions, and a plurality of supporting rollers (17) are rotatably mounted in the mounting groove in the front and rear directions.

4. The elevator door pressure intensity detection device according to claim 1, characterized in that: The transverse translation mechanism comprises transverse sliding rails (2) fixedly arranged at the top of the two portal frames (3), the transverse sliding rails (2) are provided with transverse sliding blocks, the top of each transverse sliding block is fixedly connected with the transverse sliding plate (4), the top of the transverse sliding plate (4) is fixedly provided with a transverse nut, the transverse nut is threadedly connected with a transverse lead screw (1), the two ends of the transverse lead screw (1) are rotatably provided with supports, the bottom of each support is fixedly provided with a support plate (20), the front and rear ends of the support plate (20) are fixedly arranged on the front and rear two portal frames (3) respectively, and one end of the transverse lead screw (1) is fixedly connected with a driving motor (5).

5. The elevator door pressure intensity detection device according to claim 1, characterized in that: The longitudinal translation mechanism comprises a longitudinal sliding plate (13), the bottom of the workbench (12) is fixedly provided with supporting leg columns, the bottoms of the supporting leg columns are fixedly provided with the longitudinal sliding plate (13), the bottom of the longitudinal sliding plate (13) is fixedly provided with a longitudinal sliding block, the lower portion of the longitudinal sliding block is connected with a longitudinal sliding rail (15), the bottom of the longitudinal sliding rail (15) is fixedly provided with a bottom plate (14), the bottom of the longitudinal sliding plate (13) is fixedly provided with a longitudinal nut in the middle portion, the longitudinal nut is threadedly connected with a longitudinal lead screw (16), the longitudinal lead screw (16) is rotatably arranged on the bottom plate (14), and one end of the longitudinal lead screw (16) is fixedly provided with a driving motor (5).

6. The elevator door pressure intensity detection device according to claim 4, characterized in that: The detection pressure head (8) is provided with a pressure sensor, the lower portion of the detection pressure head (8) is provided with a laser sensor (23), the bottom of the laser sensor (23) is fixedly provided with a sliding sleeve, the sliding sleeve inner hole is provided with a guide rod (26), the two ends of the guide rod (26) are fixedly provided with support plates (24), the front and rear ends of the support plates (24) are fixedly arranged on the two portal frames (3) respectively, the bottom of the sliding sleeve is fixedly provided with an adjusting nut, the adjusting nut is connected with an adjusting lead screw (25), the two ends of the adjusting lead screw (25) are rotatably arranged on the support plates (24), and one end of the adjusting lead screw (25) is fixedly provided with an adjusting motor (22).

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