Portal crane light curtain tester

By designing a door operator light curtain tester with adjustable baffle height, the problem of the inability to test the response of obstacles of different heights in the existing technology has been solved, and the lifespan of the light curtain machine can be accurately measured and flexibly tested.

CN223808098UActive Publication Date: 2026-01-16HUNAN DELITONG ELEVATOR CO LTD
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Patent Information

Application Number
CN202520506474.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-16
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

In existing technologies, the door operator light curtain tester cannot effectively test the reaction effect of obstacles of different heights on the light curtain, and the height of the baffle is fixed and cannot be adjusted.

Method used

A door operator light curtain tester was designed, including an adjustable baffle height adjustment device and a drive mechanism. By adjusting the baffle height and using the drive mechanism to move the door panel, the influence of obstacles of different heights on the light curtain is simulated.

Benefits of technology

It enables lifespan testing of light curtain machines, and can detect the effect of obstacles of different heights on the use of light curtain machines, improving measurement accuracy and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a portal crane light curtain tester, relates to the portal crane light curtain technical field, the portal crane light curtain tester comprises a door frame, two door plates and a driving mechanism, the door frame is placed on the ground to support the door plates and the driving mechanism, the two door plates slide on the two sides of the door frame, the driving mechanism can drive the two door plates to move, and the door plate is arranged on the door frame. The two light curtain machines are fixedly connected to one side of the door frame, one light curtain machine emits laser, the other light curtain machine receives the laser, the base is placed at the front end of the door frame, the height of the baffle can be adjusted through an adjusting device, the baffle is detachably installed between the two light curtain machines through an auxiliary device, and the light curtain machines are arranged on the base. The display box is fixedly connected to the upper surface of the base, the display box is electrically connected with the light curtain machine and the driving mechanism, the service life of the light curtain machine and the service life of the testing door machine can be tested, the effect of adjusting the height of the baffle is achieved through the adjusting device, and then the using effect of obstacles with different heights on the light curtain machine is detected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door machine light curtain technical field especially relates to a door machine light curtain tester. BACKGROUND

[0002] Light curtain is usually used in elevator, safety door, ATM and other occasions, it utilizes the reflection principle of light beam, when the object enters the light path, the reflector on the light curtain changes the direction of light reflection, thereby being detected by the detection device, elevator light curtain is usually installed on the inner side of elevator door, through emitting light and detecting echo, the opening and closing state of elevator door is detected, when the door machine light curtain is produced, the special tester is needed to detect the service life of door machine light curtain.

[0003] The prior art detects the door machine light curtain, and the staff generally tests by simulating the hand through the 90 degree rotating baffle, but the height of the baffle is fixedly arranged, and the obstacle reaction effect of different heights of the door machine light curtain cannot be tested. UTILITY MODEL CONTENT

[0004] The utility model discloses a door machine light curtain tester to solve the shortcoming in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a door machine light curtain tester, including door frame and two door panels and drive mechanism, the door frame is placed on the ground and supports the door panel and drive mechanism, two the door panel slides on the both sides of the door frame, the drive mechanism can drive two door panels to move, two the light curtain machine is fixedly connected on one side of the door frame, wherein one light curtain machine emits laser and another light curtain machine receives laser, the base is placed at the front end of the door frame, the baffle can adjust the height of the baffle by means of adjusting device, wherein the baffle is detachably installed between two light curtain machines by means of auxiliary device.

[0006] The effect reached by the above-mentioned components is that when the light curtain machine needs to be tested, the staff adjusts the height of the baffle through the adjusting device, when the baffle is adjusted to the appropriate height, the baffle rotates and blocks the laser between two light curtain machines, then the drive mechanism works, the drive mechanism drives two door panels to move on the door frame, two door panels are away from each other, so that the door panel is opened, then the baffle rotates to the vertical state again, the baffle does not block the laser between the light curtain machines, two door panels are closed under the driving of the drive mechanism, and the above-mentioned process is repeated, so that the service life of the light curtain machine and the door machine is measured.

[0007] Preferably, the display box is fixedly connected to the upper surface of the base, and the display box is electrically connected to the light curtain machine and the drive mechanism.

[0008] The effect achieved by the above-mentioned components is that the display box is arranged to measure the number of times the light curtain machine works, thereby improving the measurement effect.

[0009] Preferably, the adjusting device is arranged on the upper surface of the base, and the adjusting device comprises a sliding rail fixedly connected to the upper surface of the base, a sliding block slidably connected to the inside of the sliding rail, a motor fixedly connected to one end of the sliding block, a baffle detachably installed on the motor through a speed reducer and an auxiliary device, an L-shaped plate fixedly connected to one side of the sliding block, and a bolt threadedly inserted into the surface of the L-shaped plate.

[0010] The effect achieved by the above-mentioned components is that when the height of the baffle needs to be adjusted, the worker moves the L-shaped plate, and the L-shaped plate moves along with the sliding block inside the sliding rail; when the baffle is moved to the appropriate height, the worker rotates the bolt on the L-shaped plate, and the bolt extrudes the side surface of the sliding rail through the L-shaped plate, thereby achieving the effect of fixing the sliding block; when the light curtain machine needs to be measured, the worker turns on the motor, and the motor moves along with the baffle through the speed reducer; when the baffle is moved to the horizontal state, the baffle blocks the laser between the two light curtain machines; the door frame is opened under the drive of the driving mechanism; then the motor moves along with the baffle to the vertical state, and the baffle does not block the laser between the light curtain machines; the two door plates are closed under the drive of the driving mechanism; and the process is repeated, thereby measuring the service life of the light curtain machine. The adjusting device achieves the effect of adjusting the height of the baffle, and further detects the use effect of the light curtain machine on obstacles of different heights.

[0011] Preferably, one end of the bolt is fixedly connected to a pull rope, and one end of the pull rope is fixedly connected to the L-shaped plate.

[0012] The effect achieved by the above-mentioned components is that the pull rope achieves the effect of limiting the maximum displacement of the bolt, thereby avoiding the falling of the bolt when not in use.

[0013] Preferably, one side of the sliding rail is fixedly connected to a scale, and one side of the L-shaped plate is fixedly connected to a pointer.

[0014] The effect achieved by the above-mentioned components is that the position of the pointer of the L-shaped plate on the scale achieves the effect of judging the height of the L-shaped plate and the baffle, thereby facilitating the worker to adjust the height of the baffle.

[0015] Preferably, a plurality of anti-skid strips are fixedly connected to the sliding rail at positions corresponding to the bolts, and the plurality of anti-skid strips are linearly distributed.

[0016] The effect achieved by the above-mentioned components is that the anti-skid strips increase the contact area between the bolt and the sliding rail, thereby avoiding the sliding between the bolt and the sliding rail.

[0017] Preferably, the auxiliary device is arranged at the output end of the motor, the auxiliary device comprises a fixed plate, the fixed plate is fixedly connected with the output end of the motor through a speed reducer, one side of the fixed plate is provided with a T-shaped slot, one side of the baffle is fixedly connected with a T-shaped block, the T-shaped block is slidably matched with the T-shaped slot, the clamping plate is slidably connected to one side of the fixed plate, one side of the clamping plate is fixedly connected with a spring, the other end of the spring is fixedly connected with a backing plate, and the backing plate is fixedly connected with the fixed plate.

[0018] The above-mentioned components achieve the effects that when the baffle needs to be installed, the worker first moves the clamping plate, the clamping plate moves towards the top plate, the spring is contracted, at this time, the T-shaped slot is exposed, the worker moves the baffle, the baffle is inserted into the T-shaped slot with the T-shaped block, finally, the worker releases the clamping plate, and the clamping plate clamps the T-shaped block under the action of the spring reset force, so that the baffle is fixed, when the baffle needs to be disassembled, the worker moves the clamping plate, the T-shaped slot is exposed, and then the worker takes out the baffle, so that the auxiliary device achieves the effect that the worker is convenient to install and disassemble the baffle, and then different sizes of baffles can be conveniently replaced, and the reaction effect of the light curtain machine under different sizes of baffles can be tested.

[0019] Preferably, the surface of the backing plate is slidably provided with a limiting rod, one end of the limiting rod is fixedly connected to one side of the clamping plate.

[0020] The above-mentioned components achieve the effects that the limiting rod is arranged to limit the moving direction of the clamping plate, and the stability of the movement of the clamping plate is improved.

[0021] In conclusion, the beneficial effects of the utility model are as follows:

[0022] When the height of the baffle needs to be adjusted, the worker moves the L-shaped plate, the L-shaped plate moves along the inside of the slide rail with the sliding block, when the baffle moves to the appropriate height, the worker rotates the bolt on the L-shaped plate, the bolt penetrates the L-shaped plate and extrudes the side surface of the slide rail, so that the sliding block is fixed, when the light curtain machine needs to be measured, the worker turns on the motor, the motor moves the baffle through the speed reducer, when the baffle moves to the horizontal state, the baffle blocks the laser between the two light curtain machines, the door frame is opened under the drive of the driving mechanism, then the motor moves the baffle to the vertical state, the baffle does not block the laser between the light curtain machines, and the two door plates are closed under the drive of the driving mechanism, so that the service life of the test door machine is measured, the adjusting device achieves the effect that the height of the baffle is adjusted, and then the use effect of the light curtain machine on obstacles of different heights is detected. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0024] Fig. 2 It is the three-dimensional structure schematic view of the base of the utility model;

[0025] Fig. 3 It is the three-dimensional structure schematic view of the sliding block of the utility model;

[0026] Fig. 4 It is the three-dimensional structure schematic view of the auxiliary device of the utility model.

[0027] Legend: 1, door frame; 2, door panel; 3, drive mechanism; 4, light curtain machine; 5, base; 6, display box; 7, baffle; 8, adjusting device; 81, sliding rail; 82, sliding block; 83, motor; 84, L-shaped plate; 85, bolt; 86, scale; 87, pointer; 88, anti-skid strip; 89, pull rope; 9, auxiliary device; 91, fixed plate; 92, T-shaped groove; 93, T-shaped block; 94, pad plate; 95, spring; 96, clamping plate; 97, limiting rod. DETAILED DESCRIPTION

[0028] Referring to Figs. 1-4 The embodiment discloses a door machine light curtain tester, including door frame 1 and two door panels 2 and drive mechanism 3, door frame 1 is placed on the ground and supports door panel 2 and drive mechanism 3, two door panels 2 slide on the two sides of door frame 1, and drive mechanism 3 can drive two door panels 2 to move;Two light curtain machines 4, two light curtain machines 4 are fixedly connected on one side of door frame 1 respectively, one of the two light curtain machines 4 emits laser light, and the other light curtain machine 4 receives laser light;Base 5 and baffle 7, base 5 is placed at the front end of door frame 1, and baffle 7 can adjust the height of baffle 7 by means of adjusting device 8, wherein baffle 7 is detachably installed between two light curtain machines 4 by means of auxiliary device 9. When it is necessary to test the light curtain machine 4, the worker adjusts the height of the baffle 7 through the adjusting device 8, when the baffle 7 is adjusted to the appropriate height, the baffle 7 rotates to block the laser light between the two light curtain machines 4, at this time, the drive mechanism 3 works, and the drive mechanism 3 drives the two door panels 2 to move on the door frame 1, and the two door panels 2 are away from each other, so that the door panel 2 is opened, and then the baffle 7 is rotated to the vertical state again, the baffle 7 does not block the laser light between the two light curtain machines 4, and the two door panels 2 are closed under the driving of the drive mechanism 3, and the process is repeated, so that the service life of the light curtain machine 4 is measured. Display box 6 is fixedly connected to the upper surface of base 5, wherein display box 6 is electrically connected with light curtain machine 4 and drive mechanism 3. By setting display box 6, the number of times of operation of light curtain machine 4 can be measured, thereby improving the measurement effect.

[0029] Referring to Figs. 1-4As shown, the adjusting device 8 is arranged on the upper surface of the base 5, the adjusting device 8 comprises a sliding rail 81 fixedly connected to the upper surface of the base 5, a sliding block 82 slidably connected inside the sliding rail 81, a motor 83 fixedly connected to one end of the sliding block 82, the motor 83 is detachably installed with the baffle 7 through a speed reducer and an auxiliary device 9, an L-shaped plate 84 is fixedly connected to one side of the sliding block 82, and a bolt 85 is threadedly inserted into the surface of the L-shaped plate 84. When it is necessary to adjust the height of the baffle 7, the staff moves the L-shaped plate 84, and the L-shaped plate 84 moves along the inside of the sliding rail 81 with the sliding block 82. When the baffle 7 moves to the appropriate height, the staff rotates the bolt 85 on the L-shaped plate 84, and the bolt 85 extrudes the side surface of the sliding rail 81 through the L-shaped plate 84, so as to fix the sliding block 82. When it is necessary to measure the light curtain machine 4, the staff turns on the motor 83, and the motor 83 moves with the baffle 7 through the speed reducer. When the baffle 7 moves to the horizontal state, the baffle 7 blocks the laser between the two light curtain machines 4, the driving mechanism 3 drives the door frame 1 to open, and then the motor 83 moves with the baffle 7 to the vertical state, and the baffle 7 does not block the laser between the light curtain machines 4. The two door plates 2 are closed under the driving of the driving mechanism 3, and the process is repeated continuously, so as to measure the service life of the light curtain machine 4. Through the adjusting device 8, the height of the baffle 7 is adjusted, and the use effect of the light curtain machine 4 on obstacles of different heights is detected.

[0030] Referring to Figs. 1-4 As shown, one end of the bolt 85 is fixedly connected with a pull rope 89, and one end of the pull rope 89 is fixedly connected with the L-shaped plate 84. By arranging the pull rope 89, the maximum displacement of the bolt 85 is limited, so as to avoid the bolt 85 from falling when not in use. One side of the sliding rail 81 is fixedly connected with a scale 86, and one side of the L-shaped plate 84 is fixedly connected with a pointer 87. By the position of the scale 86 pointed by the pointer 87 of the L-shaped plate 84, the height of the L-shaped plate 84 and the baffle 7 is judged, so as to facilitate the staff to adjust the height of the baffle 7. A plurality of anti-skid strips 88 are fixedly connected to the sliding rail 81 corresponding to the bolt 85, and the plurality of anti-skid strips 88 are linearly distributed. By arranging the anti-skid strips 88, the contact area between the bolt 85 and the sliding rail 81 is increased, so as to avoid sliding between the bolt 85 and the sliding rail 81.

[0031] Referring to Figs. 1-4As shown, the auxiliary device 9 is arranged at the output end of the motor 83, the auxiliary device 9 comprises a fixed plate 91, the fixed plate 91 is fixedly connected with the output end of the motor 83 through a speed reducer, one side of the fixed plate 91 is provided with a T-shaped groove 92, one side of the baffle 7 is fixedly connected with a T-shaped block 93, wherein the T-shaped block 93 is slidably connected with the T-shaped groove 92; a clamping plate 96 is slidably connected on one side of the fixed plate 91, one side of the clamping plate 96 is fixedly connected with a spring 95, the other end of the spring 95 is fixedly connected with a backing plate 94, wherein the backing plate 94 is fixedly connected with the fixed plate 91. When it is necessary to install the baffle 7, the staff first moves the clamping plate 96, the clamping plate 96 moves towards the top plate, the spring 95 is contracted, at this time the T-shaped groove 92 is exposed, the staff moves the baffle 7, the baffle 7 inserts the T-shaped block 93 into the T-shaped groove 92, finally the staff releases the clamping plate 96, under the action of the reset force of the spring 95, the clamping plate 96 clamps the T-shaped block 93, which achieves the effect of fixing the baffle 7. When the baffle 7 is disassembled, the staff moves the clamping plate 96, the T-shaped groove 92 is exposed, the staff takes out the baffle 7, through the auxiliary device 9, the staff can conveniently install and disassemble the baffle 7, and then different sizes of baffles 7 can be replaced, and the reaction effect of the light curtain machine 4 under different sizes of baffles 7 can be tested.

[0032] Referring to Figs. 1-4 As shown, the surface of the backing plate 94 is slidably provided with a limiting rod 97, one end of the limiting rod 97 is fixedly connected on one side of the clamping plate 96. Through the limiting rod 97, the moving direction of the clamping plate 96 is limited, and the stability of the movement of the clamping plate 96 is improved.

[0033] Working principle: when it is necessary to adjust the height of the baffle 7, the staff moves the L-shaped plate 84, the L-shaped plate 84 moves along the inside of the slide rail 81 with the sliding block 82, the staff judges the height of the L-shaped plate 84 and the baffle 7 through the position of the pointer 87 of the scale 86 of the L-shaped plate 84, when the baffle 7 moves to the appropriate height, the staff rotates the screw 85 on the L-shaped plate 84, the screw 85 extrudes the anti-skid strip 88 on the side of the slide rail 81, which achieves the effect of fixing the sliding block 82. When the light curtain machine 4 needs to be measured, the staff turns on the motor 83, the motor 83 moves the baffle 7 through the speed reducer, when the baffle 7 moves to the horizontal state, the baffle 7 blocks the laser between the two light curtain machines 4, the driving mechanism 3 drives the door frame 1 to open, then the motor 83 moves the baffle 7 to the vertical state, the baffle 7 does not block the laser between the two light curtain machines 4, the two door plates 2 are closed under the driving of the driving mechanism 3, and the display box 6 displays the working times of the light curtain machine 4, so as to measure the service life of the light curtain machine 4. Through the adjusting device 8, the height of the baffle 7 is adjusted, and the use effect of the light curtain machine 4 on obstacles of different heights is detected.

[0034] When the baffle 7 needs to be installed, the worker first moves the clamping plate 96, which moves towards the top plate, and the spring 95 is retracted, at which time the T-shaped slot 92 is exposed, the worker moves the baffle 7, and the baffle 7 inserts the T-shaped block 93 into the T-shaped slot 92, and finally the worker releases the clamping plate 96, and under the action of the elastic force of the spring 95, the clamping plate 96 clamps the T-shaped block 93, achieving the effect of fixing the baffle 7. When the baffle 7 is disassembled, the worker moves the clamping plate 96, and the T-shaped slot 92 is exposed, and then the worker takes out the baffle 7, and through the auxiliary device 9, the effect of facilitating the worker to install and disassemble the baffle 7 is achieved, and then it is convenient to replace baffles 7 of different sizes, and test the reaction effect of the light curtain machine 4 under different sizes of the baffle 7.

Claims

1. A door machine light curtain tester characterized by: Including door frame (1) and two door panels (2) and drive mechanism (3), the door frame (1) is placed on the ground to support the door panel (2) and drive mechanism (3), two door panels (2) are sliding on both sides of the door frame (1), and the drive mechanism (3) can drive two door panels (2) to move; Two light curtain machines (4), two light curtain machines (4) are respectively fixedly connected on one side of the door frame (1), one of the light curtain machines (4) emits laser, and the other light curtain machine (4) receives laser; Base (5) and baffle (7), the base (5) is placed at the front end of the door frame (1), and the height of the baffle (7) can be adjusted by the adjusting device (8), wherein the baffle (7) is detachably installed between the two light curtain machines (4) by the auxiliary device (9).

2. A door machine light curtain tester according to claim 1, wherein: Also includes: Display box (6), the display box (6) is fixedly connected to the upper surface of the base (5), wherein the display box (6) is electrically connected with the light curtain machine (4) and the drive mechanism (3).

3. A door machine light curtain tester according to claim 2, wherein: The adjusting device (8) is arranged on the upper surface of the base (5), the adjusting device (8) comprises a sliding rail (81), the sliding rail (81) is fixedly connected to the upper surface of the base (5), the sliding rail (81) is slidably connected with a sliding block (82), one end of the sliding block (82) is fixedly connected with a motor (83), the motor (83) is detachably installed with the baffle (7) by the speed reducer and the auxiliary device (9), one side of the sliding block (82) is fixedly connected with an L-shaped plate (84), and the surface of the L-shaped plate (84) is threadedly inserted with a bolt (85).

4. A door machine light curtain tester according to claim 3, wherein: One end of the bolt (85) is fixedly connected with a pull rope (89), wherein one end of the pull rope (89) is fixedly connected with the L-shaped plate (84).

5. A door machine light curtain tester according to claim 3, wherein: One side of the sliding rail (81) is fixedly connected with a scale (86), and one side of the L-shaped plate (84) is fixedly connected with a pointer (87).

6. A door machine light curtain tester according to claim 3, wherein: A plurality of anti-skid strips (88) are fixedly connected to the sliding rail (81) corresponding to the bolt (85), and a plurality of anti-skid strips (88) are linearly distributed.

7. A door machine light curtain tester according to claim 1, wherein: The auxiliary device (9) is arranged on the output end of the motor (83), the auxiliary device (9) comprises a fixed plate (91), the fixed plate (91) is fixedly connected with the output end of the motor (83) by the speed reducer, one side of the fixed plate (91) is provided with a T-shaped groove (92), one side of the baffle (7) is fixedly connected with a T-shaped block (93), and the T-shaped block (93) is slidably matched with the T-shaped groove (92); A clamping plate (96) is slidably connected to one side of the fixed plate (91), one side of the clamping plate (96) is fixedly connected with a spring (95), the other end of the spring (95) is fixedly connected with a backing plate (94), and the backing plate (94) is fixedly connected with the fixed plate (91).

8. A door machine light curtain tester according to claim 7, wherein: The surface of the backing plate (94) is slidably inserted with a limiting rod (97), and one end of the limiting rod (97) is fixedly connected to one side of the clamping plate (96).