Device for detecting strength of elevator landing door

Abstract

The invention belongs to the technical field of elevator landing door detection, and discloses an elevator landing door strength detection device which comprises a mounting frame, a detection control part is fixedly arranged at the left end of the mounting frame, a feeding assembly is mounted on the right side of an inner cavity of the mounting frame, and a clamping assembly is arranged on the outer side of the feeding assembly. The feeding assembly is used for automatically pushing the landing door plate to move upwards and position the landing door plate, the swing conveying part is matched to drive the clamping assembly to swing left and right, when the clamping assembly swings to the right side, the clamping assembly is automatically aligned with the positioned top landing door plate, and the top landing door plate is clamped and fixed; by means of the clamping assembly, the clamped landing door plates are moved to a to-be-detected area on the left side, rapid detection and positioning treatment is achieved, and particularly for multiple sets of sampled to-be-detected landing door plates, after the landing door plates are stacked in the feeding assembly in order, continuous positioning detection and automatic discharging under left-right reciprocating movement are achieved in cooperation with the swing conveying part and the clamping assembly; the actual continuous positioning detection of multiple groups of landing door plates is high in speed and high in efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of elevator landing door detection, and particularly relates to a device for detecting the strength of elevator landing doors. Background Art

[0002] An elevator landing door (also known as a "landing door") is a door installed at the entrance of each floor of an elevator shaft, used to isolate the shaft from the waiting hall, ensure the safety of passengers and prevent foreign objects from falling into the shaft. Usually, the landing door frame is combined with a composite material filled inside, and the pressure-bearing performance is simulated through strength detection to determine that the strength of the landing door after production meets the standards.

[0003] In the existing devices for detecting the strength of elevator landing doors, during the detection process, the landing door panel is usually placed on a carrier plate, a pressing block acts on the top of the landing door panel, and through the hydraulic action, the pressing block presses the landing door panel, and the strength detection is completed by recording the deformation amount of the landing door. However, for the actual strength detection of the landing door, usually multiple landing doors need to be sampled for multiple groups of detections, and data is obtained to evaluate the true strength of the landing door. For the detection of multiple groups of landing doors, it is usually necessary to repeatedly load and unload, and perform repeated positioning and fixing processes. The comprehensive operation is troublesome, the repeated positioning is time-consuming and laborious, it is difficult to achieve fast and effective continuous detection processing, and the use effect is not good. Summary of the Invention

[0004] The purpose of the invention is to provide a device for detecting the strength of elevator landing doors to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the invention provides the following technical solution: A device for detecting the strength of elevator landing doors, including an installation frame, a detection control part is fixedly arranged at the left end of the installation frame, a feeding component is installed on the right side of the inner cavity of the installation frame, a clamping component is arranged outside the feeding component, a swing conveying part is rotatably installed inside the installation frame, one end of the clamping component is slidably sleeved with the installation frame, the swing conveying part drives the clamping component to swing reciprocally, a distribution air supply component is fixedly arranged inside the installation frame, a pushing component is slidably installed inside the installation frame, the distribution air supply component reciprocally moves horizontally through the pushing component, and the pushing component is meshed and connected with the swing conveying part.

[0006] The swing conveying part includes a rotating shaft, a connecting block, a swing arm, an adaptation chute and a gear. The rotating shaft is rotatably sleeved in the installation frame, and both ends of the rotating shaft respectively pass through the front and back surfaces of the installation frame. The connecting block is fixedly connected to the end face of the rotating shaft. The swing arm is fixedly connected to the outer side surface of the connecting block. The adaptation chute is opened on the front surface of the swing arm. The gear is fixedly sleeved on the outer surface of the rotating shaft.

[0007] Preferably, the feeding assembly includes a limiting plate, a carrier plate and a first spring. The limiting plate is fixedly connected to the installation frame through a connecting rod on the side. The carrier plate is located directly below the limiting plate. One end of the first spring is fixedly connected to the inside of the installation frame, and the other end is fixedly connected to the bottom surface of the carrier plate. Layers of door panels to be tested are stacked between the carrier plate and the limiting plate.

[0008] Preferably, the air supply distribution assembly includes an air pump, a connecting sleeve, a conducting pipe and a second valve. The air pump is fixed to the bottom of the inner cavity of the installation frame. The connecting sleeve is fixed to the air outlet end of the air pump. One end of the conducting pipe is fixedly connected to the connecting sleeve, and the other end is fixedly connected to the inside of the installation frame. The second valve is fixed to the conducting pipe.

[0009] Preferably, an assembly groove and an assembly cavity are respectively formed at the bottom of the inner cavity of the installation frame. The assembly groove and the assembly cavity are communicated. The pushing assembly is slidably installed in the assembly groove, and one end is movably sleeved in the assembly cavity. The air outlet end of the conducting pipe is communicated with the assembly cavity. A guiding frame is provided inside the installation frame.

[0010] Preferably, the pushing assembly includes a toothed plate, a push rod and a fourth spring. The toothed plate is slidably sleeved in the assembly groove and is meshed with the gear. One end of the push rod is fixedly connected to the toothed plate, and the other end is movably sleeved in the assembly cavity. One end of the fourth spring is fixedly connected to the push rod, and the other end is fixedly connected to the assembly cavity.

[0011] Preferably, air pipes are fixedly connected to both sides of the clamping assembly. The air pipes are communicated with the air supply distribution assembly. A first valve is fixedly provided on the air pipes. The air pipes are symmetrically distributed on both sides of the connecting sleeve. The air supply distribution assembly introduces pressurized air into the clamping assembly through the first valve and the air pipes.

[0012] Preferably, the clamping assembly includes a clamping seat, a connecting arm, an inner cavity, a clamping plate, a third spring and a positioning tube. The inner cavity is formed inside the clamping seat. The connecting arm is fixed to the left ends of two sets of clamping seats. The clamping plate is movably sleeved in the inner cavity. One end of the third spring is fixedly connected to the clamping plate, and the other end is fixedly connected to the inner cavity. The positioning tube is fixedly connected to the outside of the clamping seat and is communicated with the inner cavity. The positioning tube is slidably sleeved in the positioning chute. The outer end of the positioning tube passes through the positioning chute and is sleeved in the fitting chute.

[0013] Preferably, a sliding curved plate is fixedly connected to the bottom of the clamping seat. An adaptation groove is formed on the inner wall of the installation frame. One end of the sliding curved plate is slidably sleeved in the adaptation groove.

[0014] Preferably, the detection control unit includes a mounting frame, an electric push rod, a mounting plate and a pressure detection end. The mounting frame is fixed to the left end of the mounting frame. The electric push rod is fixed in the mounting frame, and the movable end is fixedly connected to the mounting plate. The pressure detection end is fixed to the mounting plate. The pressure detection end includes a hydraulic push rod and a pressing block. The hydraulic push rod pushes the pressing block to act on the layer door panel for strength detection.

[0015] Preferably, a detection and identification component is provided at the bottom of the detection control unit. The detection and identification component includes a bottom frame, a notch cavity, a movable plate, a second spring and a pressure sensor. The bottom frame is fixed to the side surface of the mounting plate. The notch cavity is opened at the top of the bottom frame. The movable plate is movably sleeved in the notch cavity. One end of the second spring is fixedly connected to the bottom surface of the movable plate, and the other end is fixedly connected to the notch cavity. The pressure sensor is fixedly nested in the notch cavity and is located below the movable plate.

[0016] The beneficial effects of the present invention are as follows:

[0017] (1) By using the cooperation of the swing conveying part, the distribution air supply component, the feeding component and the clamping component, the present invention automatically pushes up and positions the layer door panel by the feeding component, and cooperates with the swing conveying part to drive the clamping component to swing left and right. When the clamping component swings to the right side, it automatically aligns with the positioned top layer door panel and clamps and fixes it. After fixing, it swings in the reverse direction, so that the clamped layer door panel moves to the left waiting detection area, realizing fast detection and positioning processing. Especially for multiple groups of sampled layer door panels, after being neatly stacked in the feeding component, it cooperates with the swing conveying part and the clamping component to realize continuous positioning detection and automatic blanking under the left-right reciprocating movement. The continuous positioning detection speed of multiple groups of layer door panels is fast and the efficiency is high.

[0018] (2) By using the cooperation of the clamping component and the distribution air supply component, during the positioning process of the layer door panel before actual strength detection, through the control of different air supply directions of the distribution air supply component, on the one hand, the driving force for left-right transportation is realized, and on the other hand, the fixed clamping of the layer door panel before left-right transportation is realized, providing clamping power and moving power respectively, reducing the investment in power equipment, and the actual control operation is simple and the use effect is good.

[0019] (3) By using the detection and identification component added below the detection control unit, during strength detection, cooperating with the movable plate and the pressure sensor in the detection and identification component, for the layer door panel with deformation on both the upper and lower surfaces, the bearing pressure value can be detected for the specified deformation amount, thereby realizing strength detection. Cooperating with the pressure detection limited by the pressure sensor for the corresponding pressure under the deformation to the standard requirements improves the detection accuracy and convenience, standardizes the detection steps, and has a better detection effect. Description of the Drawings

[0020] Figure 1 Schematic structural diagram of the present invention;

[0021] Figure 2 Schematic cross-sectional view of the present invention;

[0022] Figure 3 Schematic diagram of the clamping of the clamping assembly and the layer door panel of the present invention;

[0023] Figure 4 Schematic diagram of the connection of the air supply distribution assembly and the air pipe of the present invention;

[0024] Figure 5 Schematic assembly diagram of the clamping assembly and the swing conveying part of the present invention;

[0025] Figure 6 Schematic diagram of the pushing assembly of the present invention;

[0026] Figure 7 Schematic cross-sectional view of the clamping assembly of the present invention;

[0027] Figure 8 Schematic diagram of the feeding assembly of the present invention;

[0028] Figure 9 Schematic cross-sectional view of the installation frame of the present invention;

[0029] Figure 10 Schematic connection diagram of the detection control part and the detection and identification component of the present invention;

[0030] Figure 11 Schematic diagram of the detection and identification component of the present invention.

[0031] In the figure: 1. Installation frame; 2. Feeding assembly; 21. Limiting plate; 22. Carrier plate; 23. First spring; 3. Detection control part; 31. Installation frame; 32. Electric push rod; 33. Installation plate; 34. Pressure detection end; 4. Detection and identification component; 41. Bottom frame; 42. Missing cavity; 43. Movable plate; 44. Second spring; 45. Pressure sensor; 5. Swing conveying part; 51. Rotating shaft; 52. Connecting block; 53. Swing arm; 54. Adaptation chute; 55. Gear; 6. Clamping assembly; 61. Clamping seat; 62. Connecting arm; 63. Internal cavity; 64. Clamping plate; 65. Third spring; 66. Positioning tube; 7. Guide frame; 8. Air supply distribution assembly; 81. Air pump; 82. Connecting sleeve; 83. Conducting pipe; 84. Second valve; 9. Pushing assembly; 91. Rack; 92. Push rod; 93. Fourth spring; 10. Air pipe; 11. First valve; 12. Sliding curved plate; 13. Adaptation groove; 14. Positioning chute; 15. Assembly groove; 16. Assembly cavity. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] As Figures 1 to 11 shown, the embodiment of the present invention provides a device for detecting the strength of an elevator landing door, including a mounting frame 1. A detection control unit 3 is fixedly provided at the left end of the mounting frame 1. A feeding assembly 2 is installed on the right side of the inner cavity of the mounting frame 1. A clamping assembly 6 is provided outside the feeding assembly 2. A swing conveying part 5 is rotatably installed inside the mounting frame 1. One end of the clamping assembly 6 is slidably sleeved with the mounting frame 1. The swing conveying part 5 drives the clamping assembly 6 to swing reciprocally. A distribution air supply assembly 8 is fixedly provided inside the mounting frame 1. A pushing assembly 9 is slidably installed inside the mounting frame 1. The distribution air supply assembly 8 reciprocally moves horizontally through the pushing assembly 9. The pushing assembly 9 is meshed with the swing conveying part 5. The swing conveying part 5 includes a rotating shaft 51, a connecting block 52, a swing arm 53, an adaptation chute 54 and a gear 55. The rotating shaft 51 is rotatably sleeved in the mounting frame 1, and both ends of the rotating shaft 51 respectively pass through the front and back surfaces of the mounting frame 1. The connecting block 52 is fixedly connected to the end face of the rotating shaft 51. The swing arm 53 is fixedly connected to the outer side surface of the connecting block 52. The adaptation chute 54 is opened on the front surface of the swing arm 53. The gear 55 is fixedly sleeved on the outer surface of the rotating shaft 51.

[0034] Embodiment 1: During use, press the carrier plate 22 in the loading component 2 to compress the first spring 23, place the stacked layer door panels to be tested on the top of the carrier plate 22, close the external hydraulic compression device pressing the carrier plate 22, so that the first spring 23 elastically resets, and push the layer door panel on the top of the carrier plate 22 upward, so that the topmost layer door panel abuts against the bottom surface of the limit plate 21. Subsequently, start the air pump 81 in the air supply distribution component 8, keep the second valve 84 closed, and open the first valve 11. The pressurized air is input into the two tracheas 10 through the connecting sleeve 82 and introduced into the positioning tube 66, so that the pressurized air enters the internal cavity 63 of the clamping component 6, and pushes the clamping plate 64 to move, stretching the third spring 65 while making the two clamping plates 64 approach and clamp both sides of the topmost layer door panel, completing the clamping and fixing. Subsequently, start the air pump 81 in the air supply distribution component 8, keep the first valve 11 closed, open the second valve 84, the pressurized air is input into the assembly cavity 16 through the connecting sleeve 82 and the conduction tube 83, the air pressure in the assembly cavity 16 increases, and pushes the push rod 92 to move, stretching the fourth spring 93 while driving the toothed plate 91 to move horizontally, and driving the engaged gear 55 to rotate, so that the rotating shaft 51 in the swing conveying part 5 deflects, and drives the swing arm 53 to rotate and swing. Cooperating with the positioning tube 66 sleeved in the adaptation chute 54, push the positioning tube 66 to move horizontally along the positioning chute 14, and drive the clamping component 6 to move horizontally from the right side to the left side, moving to the position to be detected. Start the detection control part 3, so that the pressure detection end 34 acts on the layer door panel to perform strength detection under continuous pressure. The pressure detection end 34 senses and records the pressure value after the layer door panel is deformed, completing the detection; after the detection is completed, bypass the first valve 11, the pressurized air in the trachea 10 is exported, the clamping plate 64 inside the clamping component 6 resets, cancel the clamping, and the detected layer door panel naturally falls and lands on the guiding frame 7 and slides along the guiding frame 7.

[0035] First of all, through the cooperation of the swing conveying part 5, the air supply distribution component 8, the loading component 2 and the clamping component 6, the automatic pushing up and positioning of the layer door panel by the loading component 2 is utilized, and the swing conveying part 5 is cooperated to drive the clamping component 6 to swing left and right. When the clamping component 6 swings to the right side, it automatically aligns with the positioned top layer door panel and clamps and fixes it. After fixing, through reverse swinging, the clamped layer door panel is moved to the left side to be detected area, realizing fast detection and positioning processing. Especially for multiple groups of sampled layer door panels to be detected, after being neatly stacked in the loading component 2, the continuous positioning detection and automatic blanking under the left and right reciprocating movement are realized by cooperating with the swing conveying part 5 and the clamping component 6. The continuous positioning detection speed of multiple groups of layer door panels is fast and the efficiency is high.

[0036] In addition, by utilizing the cooperation of the clamping component 6 and the distribution air supply component 8, during the positioning process of the layer door panel before the actual strength test, the different air supply direction control of the distribution air supply component 8 is utilized to realize the driving force for left and right transportation on the one hand, and realize the fixed clamping of the layer door panel before left and right transportation on the other hand, respectively providing clamping power and moving power, reducing the investment in power equipment, and the actual control operation is simple and the use effect is good.

[0037] Example 2: After the layer door panel to be tested is moved from the loading assembly 2 to the right side of the test area through the clamping assembly 6 and the swing conveying part 5, the detection control part 3 is started, and the electric push rod 32 pushes the pressure detection end 34 and the detection identification assembly 4 to move synchronously, so that the pressure detection end 34 and the detection identification assembly 4 are respectively moved to the upper and lower positions of the edge of the layer door panel, and the hydraulic push rod in the pressure detection end 34 is started, and the pressure block acts on the top of the layer door panel. As the pressure block gradually increases the pressure, the layer door panel begins to deform downward, and the top layer of the layer door panel bends downward, driving the internal filler to break, and further causing the bottom of the layer door panel to begin to deform and bend. While the bottom of the layer door panel is bent, it squeezes the movable plate 43 below, so that the movable plate 43 compresses the lightweight spring 2 44 and moves downward. When the bottom of the movable plate 43 contacts the pressure sensor 45, the external control mechanism controls the pressure detection end 34 to stop detection and record the pressure value.

[0038] First, by utilizing the detection and identification component 4 added below the detection control unit 3, when performing strength testing, in conjunction with the movable plate 43 and the pressure sensor 45 in the detection and identification component 4, for the layer door panel that is deformed on both the upper and lower surfaces, the pressure-bearing value can be detected based on the specified deformation amount, thereby realizing strength testing, and cooperating with the corresponding pressure testing under the standard requirements defined by the pressure sensor 45, the detection accuracy and convenience are improved, the detection steps are standardized, and better detection effects are achieved.

[0039] Among them, the loading assembly 2 includes a limit plate 21, a carrier plate 22 and a spring 23. The limit plate 21 is fixedly connected to the installation frame 1 through a side connecting rod. The carrier plate 22 is located directly below the limit plate 21. One end of the spring 23 is fixedly connected to the inside of the installation frame 1, and the other end is fixedly connected to the bottom surface of the carrier plate 22. The door panel to be tested is stacked between the carrier plate 22 and the limit plate 21.

[0040] Through the elasticity of spring 1 23 in the loading assembly 2, the loaded layer door panel is automatically pushed upward and contacts the limit plate 21, ensuring that the moving clamping assembly 6 can accurately clamp the layer door panel. Spring 1 23 is a strong spring, and its compression can be pushed down by an external hydraulic pushing mechanism, thereby opening the space between the carrier plate 22 and the limit plate 21 to complete the placement of the stacked layer door panels.

[0041] Among them, the air distribution and supply assembly 8 includes an air pump 81, a connecting sleeve 82, a conducting pipe 83, and a second valve 84. The air pump 81 is fixed to the bottom inside the installation frame 1. The connecting sleeve 82 is fixed to the air outlet end of the air pump 81. One end of the conducting pipe 83 is fixedly connected to the connecting sleeve 82, and the other end is fixedly connected to the inside of the installation frame 1. The second valve 84 is fixed to the conducting pipe 83.

[0042] By using the air distribution and supply assembly 8 to achieve the output of pressurized air, and cooperating with the opening and closing control of the first valve 11 and the second valve 84, the pressurized air can be exported in different directions, and different power outputs can be provided.

[0043] Among them, an assembly groove 15 and an assembly cavity 16 are respectively formed at the bottom inside the installation frame 1. The assembly groove 15 and the assembly cavity 16 are communicated. The pushing assembly 9 is slidably installed in the assembly groove 15, and one end is movably sleeved in the assembly cavity 16. The air outlet end of the conducting pipe 83 is communicated with the assembly cavity 16. A guiding frame 7 is provided inside the installation frame 1.

[0044] The assembly groove 15 and the assembly cavity 16 realize the assembly of the pushing assembly 9, allow the lateral movement of the pushing assembly 9, and introduce pressurized air into the assembly cavity 16 through the conducting pipe 83 to realize the pushing control of the pushing assembly 9.

[0045] Among them, the pushing assembly 9 includes a toothed plate 91, a push rod 92, and a fourth spring 93. The toothed plate 91 is slidably sleeved in the assembly groove 15 and is meshed with the gear 55. One end of the push rod 92 is fixedly connected to the toothed plate 91, and the other end is movably sleeved in the assembly cavity 16. One end of the fourth spring 93 is fixedly connected to the push rod 92, and the other end is fixedly connected to the assembly cavity 16.

[0046] The pushing assembly 9 meshes with the swing conveying part 5. Through its horizontal reciprocating movement, it drives the left and right swing of the swing conveying part 5, thereby controlling the movement of the clamping assembly 6 and the clamped layer door panel.

[0047] Among them, air pipes 10 are fixedly connected to both sides of the clamping assembly 6. The air pipes 10 are communicated with the air supply distribution assembly 8. A first valve 11 is fixedly provided on the air pipes 10. The air pipes 10 are symmetrically distributed on both sides of the communication sleeve 82. The air supply distribution assembly 8 introduces pressurized air into the clamping assembly 6 through the first valve 11 and the air pipes 10. The clamping assembly 6 includes a clamping seat 61, a connecting arm 62, an internal cavity 63, a clamping plate 64, a third spring 65 and a positioning pipe 66. The internal cavity 63 is opened inside the clamping seat 61. The connecting arm 62 is fixed to the left ends of the two groups of clamping seats 61. The clamping plate 64 is movably sleeved in the internal cavity 63. One end of the third spring 65 is fixedly connected to the clamping plate 64, and the other end is fixedly connected inside the internal cavity 63. The positioning pipe 66 is fixedly connected to the outside of the clamping seat 61 and is communicated with the internal cavity 63. The positioning pipe 66 is slidably sleeved in the positioning chute 14. The outer end of the positioning pipe 66 passes through the positioning chute 14 and is sleeved in the fitting chute 54. The bottom of the clamping seat 61 is fixedly connected with a sliding curved plate 12. An adaptation groove 13 is opened on the inner wall of the installation frame 1. One end of the sliding curved plate 12 is slidably sleeved in the adaptation groove 13.

[0048] After the clamping assembly 6 inputs pressurized air inside, it clamps and fixes along both sides of the layer door panel, and can cooperate with the swing conveying part 5 to achieve quick commutation movement. The sliding curved plate 12 is adapted to the adaptation groove 13, further improving the stability of the sliding movement.

[0049] Among them, the detection and control part 3 includes a mounting frame 31, an electric push rod 32, a mounting plate 33 and a pressure detection end 34. The mounting frame 31 is fixed to the left end of the installation frame 1. The electric push rod 32 is fixed in the mounting frame 31, and the movable end is fixedly connected to the mounting plate 33. The pressure detection end 34 is fixed on the mounting plate 33. The pressure detection end 34 includes a hydraulic push rod and a pressing block. The hydraulic push rod pushes the pressing block to act on the layer door panel for strength detection. A detection and identification component 4 is provided at the bottom of the detection and control part 3. The detection and identification component 4 includes a bottom frame 41, a missing cavity 42, a movable plate 43, a second spring 44 and a pressure sensor 45. The bottom frame 41 is fixed on the side surface of the mounting plate 33. The missing cavity 42 is opened at the top of the bottom frame 41. The movable plate 43 is movably sleeved in the missing cavity 42. One end of the second spring 44 is fixedly connected to the bottom surface of the movable plate 43, and the other end is fixedly connected in the missing cavity 42. The pressure sensor 45 is fixedly nested in the missing cavity 42 and is located below the movable plate 43.

[0050] By using the detection and identification component 4 to sense the deformation amount of the layer door panel under the action of pressure, sense the position after reaching the specified position, and stop the pressure action, quickly determine the pressure value from the set deformation amount, achieve the maximum compressive strength under the specified deformation amount, and complete the precise detection process. The specific model of the pressure sensor 45 is MS5837-02BA.

[0051] The working principle and use process of the present invention are as follows: when in use, the carrier plate 22 in the loading assembly 2 is pressed, the spring 1 23 is compressed, and the stacked door panels to be tested are placed on the top of the carrier plate 22. The external hydraulic compression device pressing the carrier plate 22 is closed, so that the spring 1 23 is elastically reset and the door panels on the top of the carrier plate 22 are pushed up, so that the top door panel contacts the bottom surface of the limit plate 21. Then, the air pump 81 in the air distribution assembly 8 is started, the No. 2 valve 84 is kept closed, and the No. 1 valve 11 is opened. The pressurized air is input into the air pipes 10 on both sides through the connecting sleeve 82 and is introduced into the positioning pipe 66, so that the pressurized air enters the internal cavity 63 of the clamping assembly 6 and pushes the clamping plate 64 to move. , while stretching spring three 65, the clamping plates 64 on both sides are brought together and clamp the two sides of the uppermost layer door panel to complete the clamping and fixing. Then the air pump 81 in the air distribution component 8 is started, and the No. 1 valve 11 is kept closed, and the No. 2 valve 84 is opened. The pressurized air is input into the assembly chamber 16 through the connecting sleeve 82 and the guide pipe 83. The air pressure in the assembly chamber 16 increases and pushes the push rod 92 to move. While stretching spring four 93, it drives the gear plate 91 to move horizontally and drives the meshing gear 55 to rotate, so that the rotating shaft 51 in the swing conveying part 5 deflects and drives the swing arm 53 to rotate and swing, cooperating with the positioning tube 66 sleeved in the adapter slide 54, pushing the positioning tube 66 along the positioning slide 14 The door panel to be tested moves horizontally, and drives the clamping assembly 6 to move horizontally from the right to the left, moves to the position to be tested, and starts the detection control part 3, so that the pressure detection end 34 acts on the layer door panel to perform strength detection under continuous pressure. The pressure detection end 34 senses and records the pressure value after the layer door panel is deformed, and the detection is completed; after the detection is completed, the No. 1 valve 11 is bypassed, and the pressurized air in the air pipe 10 is discharged, the clamping plate 64 inside the clamping assembly 6 is reset, and the clamping is cancelled. The layer door panel after the test naturally falls and falls on the guide frame 7, and slides along the guide frame 7; when the layer door panel to be tested moves from the feeding assembly 2 to the right side of the test area through the clamping assembly 6 and the swing conveying part 5, the detection control part 3 is started, and the electric push rod 32 pushes The pressure detection end 34 and the detection identification component 4 move synchronously, so that the pressure detection end 34 and the detection identification component 4 move to the upper and lower edges of the layer door panel respectively, start the hydraulic push rod in the pressure detection end 34, and make the pressure block act on the top of the layer door panel. As the pressure block gradually increases the pressure, the layer door panel begins to deform downward, the top layer of the layer door panel bends downward, and drives the internal filler to break, and further causes the bottom of the layer door panel to begin to deform and bend. While the curved surface of the bottom of the layer door panel squeezes the movable plate 43 below, the movable plate 43 compresses the lightweight spring 2 44 and moves downward. When the bottom of the movable plate 43 contacts the pressure sensor 45, the external control mechanism controls the pressure detection end 34 to stop detection and record the pressure value.

[0052] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the strength of an elevator landing door, comprising a mounting frame (1), characterized in that: A detection and control unit (3) is fixedly provided at the left end of the installation frame (1). A feeding assembly (2) is installed on the right side of the inner cavity of the installation frame (1). A clamping assembly (6) is arranged outside the feeding assembly (2). A swing conveying part (5) is rotatably installed inside the installation frame (1). One end of the clamping assembly (6) is slidably sleeved with the installation frame (1). The swing conveying part (5) drives the clamping assembly (6) to swing reciprocally. A distribution and air supply assembly (8) is fixedly provided inside the installation frame (1). A pushing assembly (9) is slidably installed inside the installation frame (1). The distribution and air supply assembly (8) reciprocally translates through the pushing assembly (9). The pushing assembly (9) is meshed and connected with the swing conveying part (5). The swing conveying part (5) includes a rotating shaft (51), a connecting block (52), a swing arm (53), an adaptation chute (54) and a gear (55). The rotating shaft (51) is rotatably sleeved in the installation frame (1), and both ends of the rotating shaft (51) respectively pass through the front and back surfaces of the installation frame (1). The connecting block (52) is fixedly connected to the end face of the rotating shaft (51). The swing arm (53) is fixedly connected to the outer side surface of the connecting block (52). The adaptation chute (54) is opened on the front surface of the swing arm (53). The gear (55) is fixedly sleeved on the outer surface of the rotating shaft (51).

2. The device for detecting the strength of an elevator landing door according to claim 1, wherein: The feeding assembly (2) includes a limiting plate (21), a carrier plate (22) and a first spring (23). The limiting plate (21) is fixedly connected in the installation frame (1) through a connecting rod on the side. The carrier plate (22) is located directly below the limiting plate (21). One end of the first spring (23) is fixedly connected to the inside of the installation frame (1), and the other end is fixedly connected to the bottom surface of the carrier plate (22). Layers of door panels to be measured are stacked between the carrier plate (22) and the limiting plate (21).

3. The device for detecting the strength of an elevator landing door according to claim 2, wherein: The distribution and air supply assembly (8) includes an air pump (81), a connecting sleeve (82), a conducting pipe (83) and a second valve (84). The air pump (81) is fixed at the bottom of the inner cavity of the installation frame (1). The connecting sleeve (82) is fixed to the air outlet end of the air pump (81). One end of the conducting pipe (83) is fixedly communicated with the connecting sleeve (82), and the other end is fixedly connected to the inside of the installation frame (1). The second valve (84) is fixed on the conducting pipe (83).

4. The device for detecting the strength of an elevator landing door according to claim 3, wherein: An assembly groove (15) and an assembly cavity (16) are respectively opened at the bottom of the inner cavity of the installation frame (1). The assembly groove (15) and the assembly cavity (16) are communicated. The pushing assembly (9) is slidably installed in the assembly groove (15), and one end is movably sleeved in the assembly cavity (16). The air outlet end of the conducting pipe (83) is communicated with the assembly cavity (16). A guiding frame (7) is arranged inside the installation frame (1).

5. The device for detecting the strength of an elevator landing door according to claim 4, wherein: The driving component (9) includes a toothed plate (91), a push rod (92) and a fourth spring (93). The toothed plate (91) is slidably sleeved in the assembly groove (15) and is meshed with the gear (55). One end of the push rod (92) is fixedly connected to the toothed plate (91), and the other end is movably sleeved in the assembly cavity (16). One end of the fourth spring (93) is fixedly connected to the push rod (92), and the other end is fixedly connected in the assembly cavity (16).

6. The device for detecting the strength of an elevator landing door according to claim 5, characterized in that: Air pipes (10) are fixedly connected to both sides of the clamping component (6). The air pipes (10) are communicated with the air distribution and supply component (8). A first valve (11) is fixedly provided on the air pipe (10). The air pipes (10) are symmetrically distributed on both sides of the communication sleeve (82). The air distribution and supply component (8) introduces compressed air into the clamping component (6) through the first valve (11) and the air pipes (10).

7. The device for detecting the strength of an elevator landing door according to claim 6, wherein: The clamping component (6) includes a clamping seat (61), a connecting arm (62), an internal cavity (63), a clamping plate (64), a third spring (65) and a positioning tube (66). The internal cavity (63) is opened on the inner side of the clamping seat (61). The connecting arm (62) is fixed to the left ends of the two clamping seats (61). The clamping plate (64) is movably sleeved in the internal cavity (63). One end of the third spring (65) is fixedly connected to the clamping plate (64), and the other end is fixedly connected in the internal cavity (63). The positioning tube (66) is fixedly connected to the outside of the clamping seat (61) and is communicated with the internal cavity (63). The positioning tube (66) is slidably sleeved in the positioning chute (14). The outer end of the positioning tube (66) passes through the positioning chute (14) and is sleeved in the fitting chute (54).

8. The device for detecting the strength of an elevator landing door according to claim 7, characterized in that: A sliding curved plate (12) is fixedly connected to the bottom of the clamping seat (61). An adaptation groove (13) is opened on the inner wall of the mounting frame (1). One end of the sliding curved plate (12) is slidably sleeved in the adaptation groove (13).

9. The device for detecting the strength of an elevator landing door according to claim 1, characterized in that: The detection and control part (3) includes a mounting frame (31), an electric push rod (32), a mounting plate (33) and a pressure detection end (34). The mounting frame (31) is fixed to the left end of the mounting frame (1). The electric push rod (32) is fixed in the mounting frame (31), and the movable end is fixedly connected to the mounting plate (33). The pressure detection end (34) is fixed on the mounting plate (33). The pressure detection end (34) includes a hydraulic push rod and a pressing block. The hydraulic push rod pushes the pressing block to act on the layer door panel for strength detection.

10. A device for detecting the strength of an elevator landing door according to claim 9, characterized in that: A detection and recognition component (4) is provided at the bottom of the detection and control unit (3). The detection and recognition component (4) includes a bottom frame (41), a missing cavity (42), a movable plate (43), a second spring (44), and a pressure sensor (45). The bottom frame (41) is fixed to the side surface of the mounting plate (33). The missing cavity (42) is formed at the top of the bottom frame (41). The movable plate (43) is movably sleeved in the missing cavity (42). One end of the second spring (44) is fixedly connected to the bottom surface of the movable plate (43), and the other end is fixedly connected in the missing cavity (42). The pressure sensor (45) is fixedly nested in the missing cavity (42) and is located below the movable plate (43).

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