Elevator toe guard inspection device

Abstract

The utility model relates to elevator detection equipment technical field, concretely is a kind of elevator foot guard plate inspection device, including mounting bracket and inspection mechanism, mounting bracket includes bottom plate, and the front side edge of bottom plate is equipped with downward anti-drop flanging, and bottom plate is placed on floor of landing door, and the front side edge of floor of landing door is equipped with floor sill of landing door, and anti-drop flanging is resisted in front side of floor sill of landing door, and inspection mechanism includes mounting table and thrust sensor, and mounting table is fixed on the upper surface of bottom plate, and thrust sensor is slid in the upper surface of mounting table along front-back direction, and the front side of thrust sensor is equipped with loading rod, and the rear side of thrust sensor is rotated and has push-out screw rod, and the upper surface of mounting table is equipped with support block, and push-out screw rod is threadedly connected with support block. It solves the problem that the deformation amount inspection accuracy of foot guard plate is influenced due to the difficulty of maintaining stable of manually applied thrust.

Description

Technical Field

[0001] This utility model relates to the field of elevator testing equipment technology, specifically an elevator foot protection plate inspection device. Background Technology

[0002] The elevator car foot guard is located on the bottom of the elevator car, on the side facing the landing door. When the elevator is in a normal level position, the foot guard is at the bottom of the car and landing door sills. When the car is above the level position, the car floor is higher than the landing floor, creating a gap between the car sill and the landing door sill. The design of the foot guard must consider safety, preventing the gap between the car sill and the landing door sill from becoming too large, and ensuring that it will not slip or deform. If passengers pry open the car door to escape, their feet may step into the shaft, leading to an accident where someone falls into the shaft. The foot guard located at the bottom of the car sill effectively prevents such accidents.

[0003] The elevator car foot guards should be able to withstand any vertical force acting from the landing point towards the foot guard at any point along the lower edge of the vertical section of the foot guard, and the force should be evenly distributed within 5cm. 2 A static force of 300N is applied to the circular (or square) area of ​​the elevator toe plate, while the permanent deformation of the vertical portion should not exceed 1mm and the elastic deformation should not exceed 35mm. Currently, when inspecting the deformation of elevator toe plates, a force sensor is typically pushed manually onto the toe plate. Once the force value displayed by the force sensor reaches the required value, the deformation of the toe plate is measured with a ruler. However, because the manually applied force is difficult to maintain stability, the force value displayed by the force sensor may change during the inspection process, thus affecting the accuracy of the inspection. Utility Model Content

[0004] This invention proposes an elevator foot guard inspection device, which solves the problem that the accuracy of foot guard deformation inspection is affected by the difficulty in maintaining stability due to the manually applied pushing force.

[0005] To achieve the above objectives, this utility model proposes an elevator foot protection plate inspection device, including a mounting frame and an inspection mechanism. The mounting frame includes a base plate, and the front edge of the base plate is provided with a downward anti-detachment flange. The base plate is placed on the landing door floor, and the front edge of the landing door floor is provided with a landing door sill. The anti-detachment flange abuts against the front side of the landing door sill. The inspection mechanism includes a mounting platform and a thrust sensor.

[0006] The mounting platform is fixed to the upper surface of the base plate, and the thrust sensor slides along the front-to-back direction on the upper surface of the mounting platform.

[0007] The front side of the thrust sensor is provided with a loading rod, and the rear side of the thrust sensor is provided with a rotatable push screw.

[0008] The upper surface of the mounting platform is provided with a support block, and the push screw is threadedly connected to the support block.

[0009] Preferably, the lower surface of the thrust sensor is provided with a sliding plate, which slides along the front-to-back direction on the upper surface of the mounting platform.

[0010] Preferably, the front and rear sides of the thrust sensor are respectively provided with a support plate and a push plate, the loading rod is installed on the front side of the support plate, and the push screw is rotatably connected to the push plate.

[0011] Preferably, the upper surface of the mounting platform is provided with multiple scale lines, which are arranged along the sliding direction of the slide plate. A pointer is provided on one side of the slide plate parallel to its sliding direction, and the pointer is arranged corresponding to the scale lines.

[0012] Preferably, the mounting bracket further includes a mounting plate, which is fixed to the base plate by a plurality of connecting columns, and the upper surface of the mounting plate is provided with a mounting box.

[0013] Preferably, a drive mechanism is mounted on the upper surface of the mounting plate, and the drive mechanism is disposed inside the mounting box.

[0014] Preferably, the drive mechanism includes a motor, a drive gear, a driven gear, and a rotating shaft;

[0015] The motor is mounted on the upper surface of the mounting plate, and the drive gear is fixedly connected to the output end of the motor;

[0016] The rotating shaft rotates on the upper surface of the mounting plate, the driven gear is fixed on the shaft body of the rotating shaft, and the driving gear meshes with the driven gear;

[0017] The two ends of the rotating shaft are respectively fixed with driving bevel gears.

[0018] Preferably, it also includes two clamping mechanisms, which are installed between the base plate and the mounting plate, and are arranged symmetrically on the left and right.

[0019] Preferably, the clamping mechanism includes a bidirectional lifting screw, a lifting block, a push-pull rod, a connecting block, and a push column;

[0020] The bidirectional lifting screw is vertically arranged and rotates between the base plate and the mounting plate. The upper and lower parts of the bidirectional lifting screw are respectively provided with threads with opposite directions of rotation.

[0021] The lifting block is provided in two parts, and the two lifting blocks are respectively threaded to the upper and lower parts of the bidirectional lifting screw;

[0022] The upper end of the bidirectional lifting screw passes through the mounting plate and enters the mounting box, and the bidirectional lifting screw rotates relative to the mounting plate. A driven bevel gear is fixed at the upper end of the bidirectional lifting screw, and the driven bevel gear meshes with the driving bevel gear.

[0023] The push-pull rod is provided in two parts, both of which are inclined and symmetrical vertically. One end of each push-pull rod is hinged to the lifting block, and the other end of each push-pull rod is hinged to the connecting block.

[0024] The jacking column is fixed to the outside of the connecting block, and the jacking column slides between the base plate and the mounting plate.

[0025] Preferably, a contact plate is fixed to the outer side of the push column.

[0026] This utility model has the following beneficial effects:

[0027] 1. Two clamping mechanisms can fix the inspection mechanism more stably on the base plate, preventing the inspection device from moving backward due to the reverse thrust of the foot guard plate, which would affect the inspection accuracy of the deformation of the foot guard plate;

[0028] 2. Since the push screw can stably push the thrust sensor forward, the thrust that the foot plate provides to the thrust sensor through the loading rod is also relatively stable. This can improve the inspection accuracy of the inspection device, and it is also simple and labor-saving to operate. Attached Figure Description

[0029] Figure 1 This is a schematic diagram showing the usage position of the elevator foot protection plate inspection device described in this utility model;

[0030] Figure 2 This is a schematic diagram of the overall structure of the elevator foot protection plate inspection device described in this utility model;

[0031] Figure 3 This is a schematic diagram of the drive mechanism and the clamping mechanism in the elevator foot protection plate inspection device of this utility model;

[0032] Figure 4 This is a schematic diagram of the inspection mechanism in the elevator foot protection plate inspection device of this utility model.

[0033] In the diagram: 1. Landing door frame; 2. Foot guard; 3. Landing door floor; 4. Mounting frame; 41. Base plate; 411. Anti-detachment flange; 42. Mounting plate; 43. Mounting box; 44. Connecting column; 5. Inspection mechanism; 51. Mounting platform; 511. Support block; 52. Thrust sensor; 53. Bearing plate; 54. Push plate; 55. Loading rod; 56. Push screw; 57. Handle; 58. Slide plate; 581. Pointer; 6. Drive mechanism; 61. Motor; 62. Drive gear; 63. Driven gear; 64. Shaft; 65. Driven bevel gear; 7. Tightening mechanism; 71. Bidirectional lifting screw; 72. Driven bevel gear; 73. Lifting block; 74. Push-pull rod; 75. Connecting block; 76. Push column; 77. Contact plate; 8. Landing door sill. Detailed Implementation

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.

[0035] This utility model proposes an elevator foot protection plate inspection device, such as... Figure 2 , Figure 3 and Figure 4 As shown, the device includes a mounting frame 4 and an inspection mechanism 5. The mounting frame 4 includes a base plate 41. The front edge of the base plate 41 is provided with a downward anti-detachment flange 411. The base plate 41 is placed on the floor 3 of the landing door. The front edge of the floor 3 of the landing door is provided with a landing door sill 8. The anti-detachment flange 411 abuts against the front side of the landing door sill 8. The inspection mechanism 5 includes a mounting platform 51 and a thrust sensor 52. The mounting platform 51 is fixed on the upper surface of the base plate 41. The thrust sensor 52 slides on the upper surface of the mounting platform 51 in the front-back direction. The front side of the thrust sensor 52 is provided with a loading rod 55. The rear side of the thrust sensor 52 is provided with a push screw 56. The upper surface of the mounting platform 51 is provided with a support block 511. The push screw 56 is threadedly connected to the support block 511.

[0036] like Figure 4 As shown, the lower surface of the thrust sensor 52 is provided with a slide plate 58, which slides on the upper surface of the mounting platform 51 in the front-back direction.

[0037] like Figure 4 As shown, the front and rear sides of the thrust sensor 52 are respectively provided with a bearing plate 53 and a push plate 54. The loading rod 55 is installed on the front side of the bearing plate 53, and the push screw 56 is rotatably connected to the push plate 54.

[0038] The bearing plate 53 can disperse the thrust transmitted by the loading rod 55 and make the thrust transmitted by the loading rod 55 evenly transmitted to the thrust sensor 52, preventing the loading rod 55 from damaging the thrust sensor 52.

[0039] The push plate 54 can move the thrust sensor 52 and disperse the thrust given by the push, preventing the push screw 56 from directly contacting the thrust sensor 52 and damaging the thrust sensor 52.

[0040] like Figure 4 As shown, the upper surface of the mounting platform 51 is provided with multiple scale lines, which are set along the sliding direction of the slide plate 58. A pointer 581 is provided on one side of the slide plate 58 parallel to its sliding direction, and the pointer 581 is set corresponding to the scale lines.

[0041] like Figure 4 As shown, the rear end of the push screw 56 is provided with a rocker handle 57.

[0042] like Figure 2 As shown, the mounting bracket 4 also includes a mounting plate 42, which is fixed to the base plate 41 by a plurality of connecting posts 44, and a mounting box 43 is provided on the upper surface of the mounting plate 42.

[0043] like Figure 3 As shown, a drive mechanism 6 is mounted on the upper surface of the mounting plate 42, and the drive mechanism 6 is located inside the mounting box 43.

[0044] like Figure 3 As shown, the drive mechanism 6 includes a motor 61, a drive gear 62, a driven gear 63, and a rotating shaft 64;

[0045] The motor 61 is mounted on the upper surface of the mounting plate 42, and the drive gear 62 is fixedly connected to the output end of the motor 61;

[0046] The rotating shaft 64 rotates on the upper surface of the mounting plate 42, the driven gear 63 is fixed on the shaft body of the rotating shaft 64, and the driving gear 62 meshes with the driven gear 63;

[0047] The two ends of the rotating shaft 64 are respectively fixed with driving bevel gears 65.

[0048] like Figure 3 As shown, it also includes two clamping mechanisms 7, which are installed between the base plate 41 and the mounting plate 42, and are arranged symmetrically on the left and right.

[0049] like Figure 3 As shown, the clamping mechanism 7 includes a bidirectional lifting screw 71, a lifting block 73, a push-pull rod 74, a connecting block 75, and a push column 76;

[0050] The bidirectional lifting screw 71 is vertically arranged and rotates between the base plate 41 and the mounting plate 42. The upper and lower parts of the bidirectional lifting screw 71 are respectively provided with threads with opposite directions of rotation.

[0051] Two lifting blocks 73 are provided, and the two lifting blocks 73 are respectively threaded to the upper and lower parts of the bidirectional lifting screw 71;

[0052] The upper end of the bidirectional lifting screw 71 passes through the mounting plate 42 and enters the mounting box 43. The bidirectional lifting screw 71 rotates relative to the mounting plate 42. The upper end of the bidirectional lifting screw 71 is fixed with a driven bevel gear 72, which meshes with the driving bevel gear 65.

[0053] There are two push-pull rods 74, both of which are inclined and symmetrical about each other. One end of the push-pull rod 74 is hinged to the lifting block 73, and the other end of the push-pull rod 74 is hinged to the connecting block 75.

[0054] The jacking column 76 is fixed to the outside of the connecting block 75, and the jacking column 76 slides between the base plate 41 and the mounting plate 42.

[0055] like Figure 3 As shown, a contact plate 77 is fixed to the outer side of the push column 76.

[0056] Using this utility model, such as Figure 1 , Figure 2 and Figure 3As shown, when testing the deformation of the foot guard plate 2, the testing device is first placed on the floor 3 of the landing door, and the anti-detachment flange 411 is placed against the front of the landing door sill 8. Then, the motor 61 is started. The motor 61 drives the drive gear 62 to rotate, the drive gear 62 drives the driven gear 63 to rotate, the driven gear 63 drives the rotating shaft 64 to rotate, and the two drive bevel gears 65 rotate accordingly. The drive bevel gears 65 drive the driven bevel gear 72 to rotate, and the driven bevel gear 72 drives the corresponding bidirectional lifting screw 71 to rotate. The bidirectional lifting screw 71 drives the two lifting blocks 73 to move towards each other. As the two lifting blocks 73 approach each other, the end of the push-pull rod 74 connected to the lifting block 73 moves with the lifting block 73. The two push-pull rods 74 push the connecting block 75 outward. The connecting block 75 pushes the push column 76 outward, which in turn moves the contact plate 77 outward until the left and right contact plates 77 abut against the left and right side walls of the door frame 1, thus completing the fixing of the inspection device. Then, the crank handle 57 is turned, which drives the push screw 56 to rotate. The push screw 56 drives the force sensor 52 to move forward, and the slide plate 58 slides relative to the mounting platform 51 until the front end of the loading rod 55 abuts against the foot guard plate 2. Then, the crank handle 57 is turned again to increase the force of the loading rod 55 on the foot guard plate 2. After the force value displayed on the force sensor 52 reaches the force value specified for inspection, the rotation of the push screw 56 is stopped, and the distance moved by the pointer 581 is recorded to measure the deformation of the foot guard plate 2. The two clamping mechanisms 7 can fix the inspection mechanism 5 more stably on the base plate 41, preventing the inspection device from moving backward due to the reverse thrust of the foot guard plate 2, which would affect the inspection accuracy of the deformation of the foot guard plate 2. Since the push screw 56 can stably push the thrust sensor 52 forward, the thrust given to the thrust sensor 52 by the foot guard plate 2 through the loading rod 55 is also relatively stable. This can improve the inspection accuracy of the inspection device, and it is simple to operate and saves effort.

[0057] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An elevator footboard inspection device, comprising a mounting frame (4) and an inspection mechanism (5), wherein the mounting frame (4) comprises a base plate (41), the front edge of the base plate (41) is provided with a downward anti-detachment flange (411), the base plate (41) is placed on a landing door floor (3), the front edge of the landing door floor (3) is provided with a landing door sill (8), and the anti-detachment flange (411) abuts against the front side of the landing door sill (8), characterized in that, The inspection mechanism (5) includes a mounting platform (51) and a thrust sensor (52); The mounting platform (51) is fixed to the upper surface of the base plate (41), and the thrust sensor (52) slides along the front-back direction on the upper surface of the mounting platform (51); The thrust sensor (52) is provided with a loading rod (55) on the front side and a push screw (56) is rotatably provided on the rear side of the thrust sensor (52); The upper surface of the mounting platform (51) is provided with a support block (511), and the push screw (56) is threadedly connected to the support block (511).

2. The elevator foot protection plate inspection device according to claim 1, characterized in that, The lower surface of the thrust sensor (52) is provided with a sliding plate (58), which slides along the front-back direction on the upper surface of the mounting platform (51).

3. The elevator foot protection plate inspection device according to claim 1, characterized in that, The front and rear sides of the thrust sensor (52) are respectively provided with a bearing plate (53) and a push plate (54). The loading rod (55) is installed on the front side of the bearing plate (53). The push screw (56) is rotatably connected to the push plate (54).

4. The elevator foot protection plate inspection device according to claim 2, characterized in that, The upper surface of the mounting platform (51) is provided with multiple scale lines, which are arranged along the sliding direction of the slide plate (58). A pointer (581) is provided on one side of the slide plate (58) parallel to its sliding direction, and the pointer (581) is arranged corresponding to the scale lines.

5. The elevator foot protection plate inspection device according to claim 1, characterized in that, The mounting bracket (4) also includes a mounting plate (42), which is fixed on the base plate (41) by a plurality of connecting columns (44), and the upper surface of the mounting plate (42) is provided with a mounting box (43).

6. The elevator foot protection plate inspection device according to claim 5, characterized in that, A drive mechanism (6) is mounted on the upper surface of the mounting plate (42), and the drive mechanism (6) is disposed inside the mounting box (43).

7. The elevator foot protection plate inspection device according to claim 6, characterized in that, The drive mechanism (6) includes a motor (61), a drive gear (62), a driven gear (63), and a rotating shaft (64); The motor (61) is mounted on the upper surface of the mounting plate (42), and the drive gear (62) is fixedly connected to the output end of the motor (61); The rotating shaft (64) rotates on the upper surface of the mounting plate (42), the driven gear (63) is fixed on the shaft body of the rotating shaft (64), and the driving gear (62) meshes with the driven gear (63); The two ends of the rotating shaft (64) are respectively fixed with driving bevel gears (65).

8. The elevator foot protection plate inspection device according to claim 7, characterized in that, It also includes two clamping mechanisms (7), which are installed between the base plate (41) and the mounting plate (42) and are arranged symmetrically on the left and right.

9. The elevator foot protection plate inspection device according to claim 8, characterized in that, The clamping mechanism (7) includes a bidirectional lifting screw (71), a lifting block (73), a push-pull rod (74), a connecting block (75), and a push column (76); The bidirectional lifting screw (71) is vertically arranged and rotates between the base plate (41) and the mounting plate (42). The upper and lower parts of the bidirectional lifting screw (71) are respectively provided with threads with opposite directions of rotation. Two lifting blocks (73) are provided, and the two lifting blocks (73) are respectively threaded to the upper and lower parts of the bidirectional lifting screw (71); The upper end of the bidirectional lifting screw (71) passes through the mounting plate (42) and enters the mounting box (43), and the bidirectional lifting screw (71) rotates relative to the mounting plate (42). The upper end of the bidirectional lifting screw (71) is fixed with a driven bevel gear (72), and the driven bevel gear (72) meshes with the driving bevel gear (65). There are two push-pull rods (74), both of which are inclined and symmetrical about each other. One end of each push-pull rod (74) is hinged to the lifting block (73), and the other end of each push-pull rod (74) is hinged to the connecting block (75). The push column (76) is fixed to the outside of the connecting block (75), and the push column (76) slides between the base plate (41) and the mounting plate (42).

10. The elevator foot protection plate inspection device according to claim 9, characterized in that, A contact plate (77) is fixed to the outer side of the jacking column (76).

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